diff options
| -rw-r--r-- | ChangeLog | 38 | ||||
| -rw-r--r-- | ext/.document | 11 | ||||
| -rw-r--r-- | ext/socket/basicsocket.c | 640 | ||||
| -rw-r--r-- | ext/socket/constants.c | 120 | ||||
| -rw-r--r-- | ext/socket/depend | 16 | ||||
| -rw-r--r-- | ext/socket/extconf.rb | 15 | ||||
| -rw-r--r-- | ext/socket/init.c | 515 | ||||
| -rw-r--r-- | ext/socket/ipsocket.c | 246 | ||||
| -rw-r--r-- | ext/socket/mkconstants.rb | 4 | ||||
| -rw-r--r-- | ext/socket/raddrinfo.c | 1572 | ||||
| -rw-r--r-- | ext/socket/rubysocket.h | 228 | ||||
| -rw-r--r-- | ext/socket/socket.c | 4209 | ||||
| -rw-r--r-- | ext/socket/sockssocket.c | 65 | ||||
| -rw-r--r-- | ext/socket/tcpserver.c | 141 | ||||
| -rw-r--r-- | ext/socket/tcpsocket.c | 67 | ||||
| -rw-r--r-- | ext/socket/udpsocket.c | 252 | ||||
| -rw-r--r-- | ext/socket/unixserver.c | 148 | ||||
| -rw-r--r-- | ext/socket/unixsocket.c | 499 |
18 files changed, 4579 insertions, 4207 deletions
@@ -1,3 +1,41 @@ +Sat Jan 17 12:46:17 2009 Tanaka Akira <[email protected]> + + * ext/socket: split files for each class. + + * ext/socket/rubysocket.h: common header. + + * ext/socket/basicsocket.c: new file for BasicSocket. + + * ext/socket/ipsocket.c: new file for IPSocket. + + * ext/socket/tcpsocket.c: new file for TCPSocket. + + * ext/socket/tcpserver.c: new file for TCPServer. + + * ext/socket/sockssocket.c: new file for SOCKSSocket. + + * ext/socket/udpsocket.c: new file for UDPSocket. + + * ext/socket/unixsocket.c: new file for UNIXSocket. + + * ext/socket/unixserver.c: new file for UNIXServer. + + * ext/socket/socket.c: now for Socket. + + * ext/socket/raddrinfo.c: new file for AddrInfo and name resolution. + + * ext/socket/constants.c: new file for constants. + + * ext/socket/init.c: new file for utilities. + + * ext/socket/mkconstants.rb: export *_to_int. + + * ext/socket/extconf.rb: add new object files. + + * ext/socket/depend: add dependencies for new files. + + * ext/.document: add new files. + Sat Jan 17 11:12:37 2009 Nobuyoshi Nakada <[email protected]> * cont.c (cont_restore_0): padding size doesn't need to be large diff --git a/ext/.document b/ext/.document index ecfad12c37..4e92aa7d29 100644 --- a/ext/.document +++ b/ext/.document @@ -9,7 +9,18 @@ io/wait/wait.c nkf/lib/kconv.rb nkf/nkf.c readline/readline.c +socket/init.c +socket/raddrinfo.c +socket/basicsocket.c +socket/ipsocket.c +socket/tcpsocket.c +socket/tcpserver.c +socket/sockssocket.c +socket/udpsocket.c +socket/unixsocket.c +socket/unixserver.c socket/socket.c +socket/constants.c stringio/stringio.c strscan/strscan.c win32ole diff --git a/ext/socket/basicsocket.c b/ext/socket/basicsocket.c new file mode 100644 index 0000000000..4b8e94653f --- /dev/null +++ b/ext/socket/basicsocket.c @@ -0,0 +1,640 @@ +/************************************************ + + basicsocket.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +/* + * call-seq: + * BasicSocket.for_fd(fd) => basicsocket + * + * Returns a socket object which contains the file descriptor, _fd_. + * + * # If invoked by inetd, STDIN/STDOUT/STDERR is a socket. + * STDIN_SOCK = Socket.for_fd(STDIN.fileno) + * p STDIN_SOCK.remote_address + * + */ +static VALUE +bsock_s_for_fd(VALUE klass, VALUE fd) +{ + rb_io_t *fptr; + VALUE sock = init_sock(rb_obj_alloc(klass), NUM2INT(fd)); + + GetOpenFile(sock, fptr); + + return sock; +} + +/* + * call-seq: + * basicsocket.shutdown([how]) => 0 + * + * Calls shutdown(2) system call. + * + * s.shutdown(Socket::SHUT_RD) disallows further read. + * + * s.shutdown(Socket::SHUT_WR) disallows further write. + * + * s.shutdown(Socket::SHUT_RDWR) disallows further read and write. + * + * _how_ can be symbol or string: + * - :RD, :SHUT_RD, "RD" and "SHUT_RD" are accepted as Socket::SHUT_RD. + * - :WR, :SHUT_WR, "WR" and "SHUT_WR" are accepted as Socket::SHUT_WR. + * - :RDWR, :SHUT_RDWR, "RDWR" and "SHUT_RDWR" are accepted as Socket::SHUT_RDWR. + * + * UNIXSocket.pair {|s1, s2| + * s1.puts "ping" + * s1.shutdown(:WR) + * p s2.read #=> "ping\n" + * s2.puts "pong" + * s2.close + * p s1.read #=> "pong\n" + * } + * + */ +static VALUE +bsock_shutdown(int argc, VALUE *argv, VALUE sock) +{ + VALUE howto; + int how; + rb_io_t *fptr; + + if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { + rb_raise(rb_eSecurityError, "Insecure: can't shutdown socket"); + } + rb_scan_args(argc, argv, "01", &howto); + if (howto == Qnil) + how = SHUT_RDWR; + else { + how = shutdown_how_arg(howto); + if (how != SHUT_WR && how != SHUT_RD && how != SHUT_RDWR) { + rb_raise(rb_eArgError, "`how' should be either :SHUT_RD, :SHUT_WR, :SHUT_RDWR"); + } + } + GetOpenFile(sock, fptr); + if (shutdown(fptr->fd, how) == -1) + rb_sys_fail(0); + + return INT2FIX(0); +} + +/* + * call-seq: + * basicsocket.close_read => nil + * + * Disallows further read. + * + * s1, s2 = UNIXSocket.pair + * s1.close_read + * s2.puts #=> Broken pipe (Errno::EPIPE) + */ +static VALUE +bsock_close_read(VALUE sock) +{ + rb_io_t *fptr; + + if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { + rb_raise(rb_eSecurityError, "Insecure: can't close socket"); + } + GetOpenFile(sock, fptr); + shutdown(fptr->fd, 0); + if (!(fptr->mode & FMODE_WRITABLE)) { + return rb_io_close(sock); + } + fptr->mode &= ~FMODE_READABLE; + + return Qnil; +} + +/* + * call-seq: + * basicsocket.close_write => nil + * + * Disallows further write. + * + * UNIXSocket.pair {|s1, s2| + * s1.print "ping" + * s1.close_write + * p s2.read #=> "ping" + * s2.print "pong" + * s2.close + * p s1.read #=> "pong" + * } + */ +static VALUE +bsock_close_write(VALUE sock) +{ + rb_io_t *fptr; + + if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { + rb_raise(rb_eSecurityError, "Insecure: can't close socket"); + } + GetOpenFile(sock, fptr); + if (!(fptr->mode & FMODE_READABLE)) { + return rb_io_close(sock); + } + shutdown(fptr->fd, 1); + fptr->mode &= ~FMODE_WRITABLE; + + return Qnil; +} + +/* + * Document-method: setsockopt + * call-seq: setsockopt(level, optname, optval) + * + * Sets a socket option. These are protocol and system specific, see your + * local sytem documentation for details. + * + * === Parameters + * * +level+ is an integer, usually one of the SOL_ constants such as + * Socket::SOL_SOCKET, or a protocol level. + * * +optname+ is an integer, usually one of the SO_ constants, such + * as Socket::SO_REUSEADDR. + * * +optval+ is the value of the option, it is passed to the underlying + * setsockopt() as a pointer to a certain number of bytes. How this is + * done depends on the type: + * - Fixnum: value is assigned to an int, and a pointer to the int is + * passed, with length of sizeof(int). + * - true or false: 1 or 0 (respectively) is assigned to an int, and the + * int is passed as for a Fixnum. Note that +false+ must be passed, + * not +nil+. + * - String: the string's data and length is passed to the socket. + * + * === Examples + * + * Some socket options are integers with boolean values, in this case + * #setsockopt could be called like this: + * sock.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true) + * + * Some socket options are integers with numeric values, in this case + * #setsockopt could be called like this: + * sock.setsockopt(Socket::IPPROTO_IP, Socket::IP_TTL, 255) + * + * Option values may be structs. Passing them can be complex as it involves + * examining your system headers to determine the correct definition. An + * example is an +ip_mreq+, which may be defined in your system headers as: + * struct ip_mreq { + * struct in_addr imr_multiaddr; + * struct in_addr imr_interface; + * }; + * + * In this case #setsockopt could be called like this: + * optval = IPAddr.new("224.0.0.251") + Socket::INADDR_ANY + * sock.setsockopt(Socket::IPPROTO_IP, Socket::IP_ADD_MEMBERSHIP, optval) + * +*/ +static VALUE +bsock_setsockopt(VALUE sock, VALUE lev, VALUE optname, VALUE val) +{ + int level, option; + rb_io_t *fptr; + int i; + char *v; + int vlen; + + rb_secure(2); + level = level_arg(lev); + option = optname_arg(level, optname); + + switch (TYPE(val)) { + case T_FIXNUM: + i = FIX2INT(val); + goto numval; + case T_FALSE: + i = 0; + goto numval; + case T_TRUE: + i = 1; + numval: + v = (char*)&i; vlen = sizeof(i); + break; + default: + StringValue(val); + v = RSTRING_PTR(val); + vlen = RSTRING_LEN(val); + break; + } + +#define rb_sys_fail_path(path) rb_sys_fail(NIL_P(path) ? 0 : RSTRING_PTR(path)) + + GetOpenFile(sock, fptr); + if (setsockopt(fptr->fd, level, option, v, vlen) < 0) + rb_sys_fail_path(fptr->pathv); + + return INT2FIX(0); +} + +/* + * Document-method: getsockopt + * call-seq: getsockopt(level, optname) + * + * Gets a socket option. These are protocol and system specific, see your + * local sytem documentation for details. The option is returned as + * a String with the data being the binary value of the socket option. + * + * === Parameters + * * +level+ is an integer, usually one of the SOL_ constants such as + * Socket::SOL_SOCKET, or a protocol level. + * * +optname+ is an integer, usually one of the SO_ constants, such + * as Socket::SO_REUSEADDR. + * + * === Examples + * + * Some socket options are integers with boolean values, in this case + * #getsockopt could be called like this: + * optval = sock.getsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR) + * optval = optval.unpack "i" + * reuseaddr = optval[0] == 0 ? false : true + * + * Some socket options are integers with numeric values, in this case + * #getsockopt could be called like this: + * optval = sock.getsockopt(Socket::IPPROTO_IP, Socket::IP_TTL) + * ipttl = optval.unpack("i")[0] + * + * Option values may be structs. Decoding them can be complex as it involves + * examining your system headers to determine the correct definition. An + * example is a +struct linger+, which may be defined in your system headers + * as: + * struct linger { + * int l_onoff; + * int l_linger; + * }; + * + * In this case #getsockopt could be called like this: + * optval = sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER) + * onoff, linger = optval.unpack "ii" +*/ +static VALUE +bsock_getsockopt(VALUE sock, VALUE lev, VALUE optname) +{ +#if !defined(__BEOS__) + int level, option; + socklen_t len; + char *buf; + rb_io_t *fptr; + + level = level_arg(lev); + option = optname_arg(level, optname); + len = 256; + buf = ALLOCA_N(char,len); + + GetOpenFile(sock, fptr); + if (getsockopt(fptr->fd, level, option, buf, &len) < 0) + rb_sys_fail_path(fptr->pathv); + + return rb_str_new(buf, len); +#else + rb_notimplement(); +#endif +} + +/* + * call-seq: + * basicsocket.getsockname => sockaddr + * + * Returns the local address of the socket as a sockaddr string. + * + * TCPServer.open("127.0.0.1", 15120) {|serv| + * p serv.getsockname #=> "\x02\x00;\x10\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" + * } + */ +static VALUE +bsock_getsockname(VALUE sock) +{ + char buf[1024]; + socklen_t len = sizeof buf; + rb_io_t *fptr; + + GetOpenFile(sock, fptr); + if (getsockname(fptr->fd, (struct sockaddr*)buf, &len) < 0) + rb_sys_fail("getsockname(2)"); + return rb_str_new(buf, len); +} + +/* + * call-seq: + * basicsocket.getpeername => sockaddr + * + * Returns the remote address of the socket as a sockaddr string. + * + * TCPServer.open("127.0.0.1", 1440) {|serv| + * c = TCPSocket.new("127.0.0.1", 1440) + * s = serv.accept + * p s.getpeername #=> "\x02\x00\x82u\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" + * } + * + */ +static VALUE +bsock_getpeername(VALUE sock) +{ + char buf[1024]; + socklen_t len = sizeof buf; + rb_io_t *fptr; + + GetOpenFile(sock, fptr); + if (getpeername(fptr->fd, (struct sockaddr*)buf, &len) < 0) + rb_sys_fail("getpeername(2)"); + return rb_str_new(buf, len); +} + +/* + * call-seq: + * bsock.local_address => addrinfo + * + * Returns an AddrInfo object for local address obtained by getsockname. + * + * Note that addrinfo.protocol is filled by 0. + * + * TCPServer.open("127.0.0.1", 1512) {|serv| + * p serv.local_address #=> #<AddrInfo: 127.0.0.1:1512 TCP> + * } + * + */ +static VALUE +bsock_local_address(VALUE sock) +{ + char buf[1024]; + socklen_t len = sizeof buf; + rb_io_t *fptr; + + GetOpenFile(sock, fptr); + if (getsockname(fptr->fd, (struct sockaddr*)buf, &len) < 0) + rb_sys_fail("getsockname(2)"); + return fd_socket_addrinfo(fptr->fd, (struct sockaddr *)buf, len); +} + +/* + * call-seq: + * bsock.remote_address => addrinfo + * + * Returns an AddrInfo object for remote address obtained by getpeername. + * + * Note that addrinfo.protocol is filled by 0. + * + * TCPServer.open("127.0.0.1", 1728) {|serv| + * c = TCPSocket.new("127.0.0.1", 1728) + * s = serv.accept + * p s.remote_address #=> #<AddrInfo: 127.0.0.1:36504 TCP> + * } + * + */ +static VALUE +bsock_remote_address(VALUE sock) +{ + char buf[1024]; + socklen_t len = sizeof buf; + rb_io_t *fptr; + + GetOpenFile(sock, fptr); + if (getpeername(fptr->fd, (struct sockaddr*)buf, &len) < 0) + rb_sys_fail("getpeername(2)"); + return fd_socket_addrinfo(fptr->fd, (struct sockaddr *)buf, len); +} + +/* + * call-seq: + * basicsocket.send(mesg, flags [, sockaddr_to]) => numbytes_sent + * + * send _mesg_ via _basicsocket_. + * + * _mesg_ should be a string. + * + * _flags_ should be a bitwise OR of Socket::MSG_* constants. + * + * _sockaddr_to_ should be a packed sockaddr string or an addrinfo. + * + * TCPSocket.open("localhost", 80) {|s| + * s.send "GET / HTTP/1.0\r\n\r\n", 0 + * p s.read + * } + */ +VALUE +bsock_send(int argc, VALUE *argv, VALUE sock) +{ + struct send_arg arg; + VALUE flags, to; + rb_io_t *fptr; + int n; + rb_blocking_function_t *func; + + rb_secure(4); + rb_scan_args(argc, argv, "21", &arg.mesg, &flags, &to); + + StringValue(arg.mesg); + if (!NIL_P(to)) { + SockAddrStringValue(to); + to = rb_str_new4(to); + arg.to = (struct sockaddr *)RSTRING_PTR(to); + arg.tolen = RSTRING_LEN(to); + func = sendto_blocking; + } + else { + func = send_blocking; + } + GetOpenFile(sock, fptr); + arg.fd = fptr->fd; + arg.flags = NUM2INT(flags); + while (rb_thread_fd_writable(arg.fd), + (n = (int)BLOCKING_REGION(func, &arg)) < 0) { + if (rb_io_wait_writable(arg.fd)) { + continue; + } + rb_sys_fail("send(2)"); + } + return INT2FIX(n); +} + +/* + * call-seq: + * basicsocket.do_not_reverse_lookup => true or false + * + * Gets the do_not_reverse_lookup flag of _basicsocket_. + * + * TCPSocket.open("www.ruby-lang.org", 80) {|sock| + * p sock.do_not_reverse_lookup #=> false + * p sock.peeraddr #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] + * sock.do_not_reverse_lookup = true + * p sock.peeraddr #=> ["AF_INET", 80, "221.186.184.68", "221.186.184.68"] + * } + */ +static VALUE +bsock_do_not_reverse_lookup(VALUE sock) +{ + rb_io_t *fptr; + + GetOpenFile(sock, fptr); + return (fptr->mode & FMODE_NOREVLOOKUP) ? Qtrue : Qfalse; +} + +/* + * call-seq: + * basicsocket.do_not_reverse_lookup = bool + * + * Sets the do_not_reverse_lookup flag of _basicsocket_. + * + * BasicSocket.do_not_reverse_lookup = false + * p TCPSocket.new("127.0.0.1", 80).do_not_reverse_lookup #=> false + * BasicSocket.do_not_reverse_lookup = true + * p TCPSocket.new("127.0.0.1", 80).do_not_reverse_lookup #=> true + * + */ +static VALUE +bsock_do_not_reverse_lookup_set(VALUE sock, VALUE state) +{ + rb_io_t *fptr; + + rb_secure(4); + GetOpenFile(sock, fptr); + if (RTEST(state)) { + fptr->mode |= FMODE_NOREVLOOKUP; + } + else { + fptr->mode &= ~FMODE_NOREVLOOKUP; + } + return sock; +} + +/* + * call-seq: + * basicsocket.recv(maxlen) => mesg + * basicsocket.recv(maxlen, flags) => mesg + * + * Receives a message. + * + * _maxlen_ is the maximum number of bytes to receive. + * + * _flags_ should be a bitwise OR of Socket::MSG_* constants. + * + * UNIXSocket.pair {|s1, s2| + * s1.puts "Hello World" + * p s2.recv(4) #=> "Hell" + * p s2.recv(4, Socket::MSG_PEEK) #=> "o Wo" + * p s2.recv(4) #=> "o Wo" + * p s2.recv(10) #=> "rld\n" + * } + */ +static VALUE +bsock_recv(int argc, VALUE *argv, VALUE sock) +{ + return s_recvfrom(sock, argc, argv, RECV_RECV); +} + +/* + * call-seq: + * basicsocket.recv_nonblock(maxlen) => mesg + * basicsocket.recv_nonblock(maxlen, flags) => mesg + * + * Receives up to _maxlen_ bytes from +socket+ using recvfrom(2) after + * O_NONBLOCK is set for the underlying file descriptor. + * _flags_ is zero or more of the +MSG_+ options. + * The result, _mesg_, is the data received. + * + * When recvfrom(2) returns 0, Socket#recv_nonblock returns + * an empty string as data. + * The meaning depends on the socket: EOF on TCP, empty packet on UDP, etc. + * + * === Parameters + * * +maxlen+ - the number of bytes to receive from the socket + * * +flags+ - zero or more of the +MSG_+ options + * + * === Example + * serv = TCPServer.new("127.0.0.1", 0) + * af, port, host, addr = serv.addr + * c = TCPSocket.new(addr, port) + * s = serv.accept + * c.send "aaa", 0 + * IO.select([s]) # emulate blocking recv. + * p s.recv_nonblock(10) #=> "aaa" + * + * Refer to Socket#recvfrom for the exceptions that may be thrown if the call + * to _recv_nonblock_ fails. + * + * BasicSocket#recv_nonblock may raise any error corresponding to recvfrom(2) failure, + * including Errno::EWOULDBLOCK. + * + * === See + * * Socket#recvfrom + */ + +static VALUE +bsock_recv_nonblock(int argc, VALUE *argv, VALUE sock) +{ + return s_recvfrom_nonblock(sock, argc, argv, RECV_RECV); +} + +/* + * call-seq: + * BasicSocket.do_not_reverse_lookup => true or false + * + * Gets the global do_not_reverse_lookup flag. + * + * BasicSocket.do_not_reverse_lookup #=> false + */ +static VALUE +bsock_do_not_rev_lookup(void) +{ + return do_not_reverse_lookup?Qtrue:Qfalse; +} + +/* + * call-seq: + * BasicSocket.do_not_reverse_lookup = bool + * + * Sets the global do_not_reverse_lookup flag. + * + * The flag is used for initial value of do_not_reverse_lookup for each socket. + * + * s1 = TCPSocket.new("localhost", 80) + * p s1.do_not_reverse_lookup #=> true + * BasicSocket.do_not_reverse_lookup = false + * s2 = TCPSocket.new("localhost", 80) + * p s2.do_not_reverse_lookup #=> false + * p s1.do_not_reverse_lookup #=> true + * + */ +static VALUE +bsock_do_not_rev_lookup_set(VALUE self, VALUE val) +{ + rb_secure(4); + do_not_reverse_lookup = RTEST(val); + return val; +} + +/* + * BasicSocket class + */ +void +Init_basicsocket(void) +{ + rb_cBasicSocket = rb_define_class("BasicSocket", rb_cIO); + rb_undef_method(rb_cBasicSocket, "initialize"); + + rb_define_singleton_method(rb_cBasicSocket, "do_not_reverse_lookup", + bsock_do_not_rev_lookup, 0); + rb_define_singleton_method(rb_cBasicSocket, "do_not_reverse_lookup=", + bsock_do_not_rev_lookup_set, 1); + rb_define_singleton_method(rb_cBasicSocket, "for_fd", bsock_s_for_fd, 1); + + rb_define_method(rb_cBasicSocket, "close_read", bsock_close_read, 0); + rb_define_method(rb_cBasicSocket, "close_write", bsock_close_write, 0); + rb_define_method(rb_cBasicSocket, "shutdown", bsock_shutdown, -1); + rb_define_method(rb_cBasicSocket, "setsockopt", bsock_setsockopt, 3); + rb_define_method(rb_cBasicSocket, "getsockopt", bsock_getsockopt, 2); + rb_define_method(rb_cBasicSocket, "getsockname", bsock_getsockname, 0); + rb_define_method(rb_cBasicSocket, "getpeername", bsock_getpeername, 0); + rb_define_method(rb_cBasicSocket, "local_address", bsock_local_address, 0); + rb_define_method(rb_cBasicSocket, "remote_address", bsock_remote_address, 0); + rb_define_method(rb_cBasicSocket, "send", bsock_send, -1); + rb_define_method(rb_cBasicSocket, "recv", bsock_recv, -1); + rb_define_method(rb_cBasicSocket, "recv_nonblock", bsock_recv_nonblock, -1); + rb_define_method(rb_cBasicSocket, "do_not_reverse_lookup", bsock_do_not_reverse_lookup, 0); + rb_define_method(rb_cBasicSocket, "do_not_reverse_lookup=", bsock_do_not_reverse_lookup_set, 1); +} diff --git a/ext/socket/constants.c b/ext/socket/constants.c new file mode 100644 index 0000000000..7b02abecd0 --- /dev/null +++ b/ext/socket/constants.c @@ -0,0 +1,120 @@ +/************************************************ + + constants.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +static void sock_define_const(const char *name, int value, VALUE mConst); +static void sock_define_uconst(const char *name, unsigned int value, VALUE mConst); +#define sock_define_const(name, value) sock_define_const(name, value, mConst) +#define sock_define_uconst(name, value) sock_define_uconst(name, value, mConst) +#include "constants.h" +#undef sock_define_const +#undef sock_define_uconst + +static int +constant_arg(VALUE arg, int (*str_to_int)(char*, int, int*), const char *errmsg) +{ + VALUE tmp; + char *ptr; + int ret; + + if (SYMBOL_P(arg)) { + arg = rb_sym_to_s(arg); + goto str; + } + else if (!NIL_P(tmp = rb_check_string_type(arg))) { + arg = tmp; + str: + rb_check_safe_obj(arg); + ptr = RSTRING_PTR(arg); + if (str_to_int(ptr, RSTRING_LEN(arg), &ret) == -1) + rb_raise(rb_eSocket, "%s: %s", errmsg, ptr); + } + else { + ret = NUM2INT(arg); + } + return ret; +} + +int +family_arg(VALUE domain) +{ + /* convert AF_INET, etc. */ + return constant_arg(domain, family_to_int, "unknown socket domain"); +} + +int +socktype_arg(VALUE type) +{ + /* convert SOCK_STREAM, etc. */ + return constant_arg(type, socktype_to_int, "unknown socket type"); +} + +int +level_arg(VALUE level) +{ + /* convert SOL_SOCKET, IPPROTO_TCP, etc. */ + return constant_arg(level, level_to_int, "unknown protocol level"); +} + +int +optname_arg(int level, VALUE optname) +{ + switch (level) { + case SOL_SOCKET: + return constant_arg(optname, so_optname_to_int, "unknown socket level option name"); + case IPPROTO_IP: + return constant_arg(optname, ip_optname_to_int, "unknown IP level option name"); +#ifdef IPPROTO_IPV6 + case IPPROTO_IPV6: + return constant_arg(optname, ipv6_optname_to_int, "unknown IPv6 level option name"); +#endif + case IPPROTO_TCP: + return constant_arg(optname, tcp_optname_to_int, "unknown TCP level option name"); + case IPPROTO_UDP: + return constant_arg(optname, udp_optname_to_int, "unknown UDP level option name"); + default: + return NUM2INT(optname); + } +} + +int +shutdown_how_arg(VALUE how) +{ + /* convert SHUT_RD, SHUT_WR, SHUT_RDWR. */ + return constant_arg(how, shutdown_how_to_int, "unknown shutdown argument"); +} + +static void +sock_define_const(const char *name, int value, VALUE mConst) +{ + rb_define_const(rb_cSocket, name, INT2NUM(value)); + rb_define_const(mConst, name, INT2NUM(value)); +} + +static void +sock_define_uconst(const char *name, unsigned int value, VALUE mConst) +{ + rb_define_const(rb_cSocket, name, UINT2NUM(value)); + rb_define_const(mConst, name, UINT2NUM(value)); +} + +/* + * Socket::Constants module + */ +void +Init_socket_constants(void) +{ + VALUE mConst; + + /* constants */ + mConst = rb_define_module_under(rb_cSocket, "Constants"); + init_constants(mConst); +} diff --git a/ext/socket/depend b/ext/socket/depend index 0a9b8cacef..988cda3c7f 100644 --- a/ext/socket/depend +++ b/ext/socket/depend @@ -1,6 +1,20 @@ -socket.o: socket.c $(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \ +SOCK_HEADERS = rubysocket.h $(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \ $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/io.h \ sockport.h constants.h + +init.o: init.c $(SOCK_HEADERS) +constants.o: constants.c $(SOCK_HEADERS) +basicsocket.o: basicsocket.c $(SOCK_HEADERS) +socket.o: socket.c $(SOCK_HEADERS) +ipsocket.o: ipsocket.c $(SOCK_HEADERS) +tcpsocket.o: tcpsocket.c $(SOCK_HEADERS) +tcpserver.o: tcpserver.c $(SOCK_HEADERS) +sockssocket.o: sockssocket.c $(SOCK_HEADERS) +udpsocket.o: udpsocket.c $(SOCK_HEADERS) +unixsocket.o: unixsocket.c $(SOCK_HEADERS) +unixserver.o: unixserver.c $(SOCK_HEADERS) +raddrinfo.o: raddrinfo.c $(SOCK_HEADERS) + getnameinfo.o: getnameinfo.c $(arch_hdrdir)/ruby/config.h addrinfo.h sockport.h getaddrinfo.o: getaddrinfo.c $(arch_hdrdir)/ruby/config.h addrinfo.h sockport.h diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb index 4d9f4e43a3..718aa1f119 100644 --- a/ext/socket/extconf.rb +++ b/ext/socket/extconf.rb @@ -242,7 +242,20 @@ Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPE EOS end -$objs = ["socket.#{$OBJEXT}"] +$objs = [ + "init.#{$OBJEXT}", + "constants.#{$OBJEXT}", + "basicsocket.#{$OBJEXT}", + "socket.#{$OBJEXT}", + "ipsocket.#{$OBJEXT}", + "tcpsocket.#{$OBJEXT}", + "tcpserver.#{$OBJEXT}", + "sockssocket.#{$OBJEXT}", + "udpsocket.#{$OBJEXT}", + "unixsocket.#{$OBJEXT}", + "unixserver.#{$OBJEXT}", + "raddrinfo.#{$OBJEXT}" +] unless getaddr_info_ok and have_func("getnameinfo", headers) and have_func("getaddrinfo", headers) if have_struct_member("struct in6_addr", "s6_addr8", headers) diff --git a/ext/socket/init.c b/ext/socket/init.c new file mode 100644 index 0000000000..1859777e9e --- /dev/null +++ b/ext/socket/init.c @@ -0,0 +1,515 @@ +/************************************************ + + init.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +VALUE rb_cBasicSocket; +VALUE rb_cIPSocket; +VALUE rb_cTCPSocket; +VALUE rb_cTCPServer; +VALUE rb_cUDPSocket; +#ifdef AF_UNIX +VALUE rb_cUNIXSocket; +VALUE rb_cUNIXServer; +#endif +VALUE rb_cSocket; +VALUE rb_cAddrInfo; + +VALUE rb_eSocket; + +#ifdef SOCKS +VALUE rb_cSOCKSSocket; +#endif + +int do_not_reverse_lookup = 0; + +void +raise_socket_error(const char *reason, int error) +{ +#ifdef EAI_SYSTEM + if (error == EAI_SYSTEM) rb_sys_fail(reason); +#endif + rb_raise(rb_eSocket, "%s: %s", reason, gai_strerror(error)); +} + +VALUE +init_sock(VALUE sock, int fd) +{ + rb_io_t *fp; + + MakeOpenFile(sock, fp); + fp->fd = fd; + fp->mode = FMODE_READWRITE|FMODE_DUPLEX; + rb_io_ascii8bit_binmode(sock); + if (do_not_reverse_lookup) { + fp->mode |= FMODE_NOREVLOOKUP; + } + rb_io_synchronized(fp); + + return sock; +} + +VALUE +sendto_blocking(void *data) +{ + struct send_arg *arg = data; + VALUE mesg = arg->mesg; + return (VALUE)sendto(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), + arg->flags, arg->to, arg->tolen); +} + +VALUE +send_blocking(void *data) +{ + struct send_arg *arg = data; + VALUE mesg = arg->mesg; + return (VALUE)send(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), + arg->flags); +} + +struct recvfrom_arg { + int fd, flags; + VALUE str; + socklen_t alen; + char buf[1024]; +}; + +static VALUE +recvfrom_blocking(void *data) +{ + struct recvfrom_arg *arg = data; + return (VALUE)recvfrom(arg->fd, RSTRING_PTR(arg->str), RSTRING_LEN(arg->str), + arg->flags, (struct sockaddr*)arg->buf, &arg->alen); +} + +VALUE +s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) +{ + rb_io_t *fptr; + VALUE str, klass; + struct recvfrom_arg arg; + VALUE len, flg; + long buflen; + long slen; + + rb_scan_args(argc, argv, "11", &len, &flg); + + if (flg == Qnil) arg.flags = 0; + else arg.flags = NUM2INT(flg); + buflen = NUM2INT(len); + + GetOpenFile(sock, fptr); + if (rb_io_read_pending(fptr)) { + rb_raise(rb_eIOError, "recv for buffered IO"); + } + arg.fd = fptr->fd; + arg.alen = sizeof(arg.buf); + + arg.str = str = rb_tainted_str_new(0, buflen); + klass = RBASIC(str)->klass; + RBASIC(str)->klass = 0; + + while (rb_io_check_closed(fptr), + rb_thread_wait_fd(arg.fd), + (slen = BLOCKING_REGION(recvfrom_blocking, &arg)) < 0) { + if (RBASIC(str)->klass || RSTRING_LEN(str) != buflen) { + rb_raise(rb_eRuntimeError, "buffer string modified"); + } + } + + RBASIC(str)->klass = klass; + if (slen < RSTRING_LEN(str)) { + rb_str_set_len(str, slen); + } + rb_obj_taint(str); + switch (from) { + case RECV_RECV: + return str; + case RECV_IP: +#if 0 + if (arg.alen != sizeof(struct sockaddr_in)) { + rb_raise(rb_eTypeError, "sockaddr size differs - should not happen"); + } +#endif + if (arg.alen && arg.alen != sizeof(arg.buf)) /* OSX doesn't return a from result for connection-oriented sockets */ + return rb_assoc_new(str, ipaddr((struct sockaddr*)arg.buf, fptr->mode & FMODE_NOREVLOOKUP)); + else + return rb_assoc_new(str, Qnil); + +#ifdef HAVE_SYS_UN_H + case RECV_UNIX: + return rb_assoc_new(str, unixaddr((struct sockaddr_un*)arg.buf, arg.alen)); +#endif + case RECV_SOCKET: + return rb_assoc_new(str, io_socket_addrinfo(sock, (struct sockaddr*)arg.buf, arg.alen)); + default: + rb_bug("s_recvfrom called with bad value"); + } +} + +VALUE +s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) +{ + rb_io_t *fptr; + VALUE str; + char buf[1024]; + socklen_t alen = sizeof buf; + VALUE len, flg; + long buflen; + long slen; + int fd, flags; + VALUE addr = Qnil; + + rb_scan_args(argc, argv, "11", &len, &flg); + + if (flg == Qnil) flags = 0; + else flags = NUM2INT(flg); + buflen = NUM2INT(len); + +#ifdef MSG_DONTWAIT + /* MSG_DONTWAIT avoids the race condition between fcntl and recvfrom. + It is not portable, though. */ + flags |= MSG_DONTWAIT; +#endif + + GetOpenFile(sock, fptr); + if (rb_io_read_pending(fptr)) { + rb_raise(rb_eIOError, "recvfrom for buffered IO"); + } + fd = fptr->fd; + + str = rb_tainted_str_new(0, buflen); + + rb_io_check_closed(fptr); + rb_io_set_nonblock(fptr); + slen = recvfrom(fd, RSTRING_PTR(str), buflen, flags, (struct sockaddr*)buf, &alen); + + if (slen < 0) { + rb_sys_fail("recvfrom(2)"); + } + if (slen < RSTRING_LEN(str)) { + rb_str_set_len(str, slen); + } + rb_obj_taint(str); + switch (from) { + case RECV_RECV: + return str; + + case RECV_IP: + if (alen && alen != sizeof(buf)) /* connection-oriented socket may not return a from result */ + addr = ipaddr((struct sockaddr*)buf, fptr->mode & FMODE_NOREVLOOKUP); + break; + + case RECV_SOCKET: + addr = io_socket_addrinfo(sock, (struct sockaddr*)buf, alen); + break; + + default: + rb_bug("s_recvfrom_nonblock called with bad value"); + } + return rb_assoc_new(str, addr); +} + +int +ruby_socket(int domain, int type, int proto) +{ + int fd; + + fd = socket(domain, type, proto); + if (fd < 0) { + if (errno == EMFILE || errno == ENFILE) { + rb_gc(); + fd = socket(domain, type, proto); + } + } + return fd; +} + +static int +wait_connectable0(int fd, rb_fdset_t *fds_w, rb_fdset_t *fds_e) +{ + int sockerr; + socklen_t sockerrlen; + + for (;;) { + rb_fd_zero(fds_w); + rb_fd_zero(fds_e); + + rb_fd_set(fd, fds_w); + rb_fd_set(fd, fds_e); + + rb_thread_select(fd+1, 0, rb_fd_ptr(fds_w), rb_fd_ptr(fds_e), 0); + + if (rb_fd_isset(fd, fds_w)) { + return 0; + } + else if (rb_fd_isset(fd, fds_e)) { + sockerrlen = sizeof(sockerr); + if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, + &sockerrlen) == 0) { + if (sockerr == 0) + continue; /* workaround for winsock */ + errno = sockerr; + } + return -1; + } + } + + return 0; +} + +struct wait_connectable_arg { + int fd; + rb_fdset_t fds_w; + rb_fdset_t fds_e; +}; + +#ifdef HAVE_RB_FD_INIT +static VALUE +try_wait_connectable(VALUE arg) +{ + struct wait_connectable_arg *p = (struct wait_connectable_arg *)arg; + return (VALUE)wait_connectable0(p->fd, &p->fds_w, &p->fds_e); +} + +static VALUE +wait_connectable_ensure(VALUE arg) +{ + struct wait_connectable_arg *p = (struct wait_connectable_arg *)arg; + rb_fd_term(&p->fds_w); + rb_fd_term(&p->fds_e); + return Qnil; +} +#endif + +static int +wait_connectable(int fd) +{ + struct wait_connectable_arg arg; + + rb_fd_init(&arg.fds_w); + rb_fd_init(&arg.fds_e); +#ifdef HAVE_RB_FD_INIT + arg.fd = fd; + return (int)rb_ensure(try_wait_connectable, (VALUE)&arg, + wait_connectable_ensure,(VALUE)&arg); +#else + return wait_connectable0(fd, &arg.fds_w, &arg.fds_e); +#endif +} + +#ifdef __CYGWIN__ +#define WAIT_IN_PROGRESS 10 +#endif +#ifdef __APPLE__ +#define WAIT_IN_PROGRESS 10 +#endif +#ifdef __linux__ +/* returns correct error */ +#define WAIT_IN_PROGRESS 0 +#endif +#ifndef WAIT_IN_PROGRESS +/* BSD origin code apparently has a problem */ +#define WAIT_IN_PROGRESS 1 +#endif + +struct connect_arg { + int fd; + const struct sockaddr *sockaddr; + socklen_t len; +}; + +static VALUE +connect_blocking(void *data) +{ + struct connect_arg *arg = data; + return (VALUE)connect(arg->fd, arg->sockaddr, arg->len); +} + +int +ruby_connect(int fd, const struct sockaddr *sockaddr, int len, int socks) +{ + int status; + rb_blocking_function_t *func = connect_blocking; + struct connect_arg arg; +#if WAIT_IN_PROGRESS > 0 + int wait_in_progress = -1; + int sockerr; + socklen_t sockerrlen; +#endif + + arg.fd = fd; + arg.sockaddr = sockaddr; + arg.len = len; +#if defined(SOCKS) && !defined(SOCKS5) + if (socks) func = socks_connect_blocking; +#endif + for (;;) { + status = (int)BLOCKING_REGION(func, &arg); + if (status < 0) { + switch (errno) { + case EAGAIN: +#ifdef EINPROGRESS + case EINPROGRESS: +#endif +#if WAIT_IN_PROGRESS > 0 + sockerrlen = sizeof(sockerr); + status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); + if (status) break; + if (sockerr) { + status = -1; + errno = sockerr; + break; + } +#endif +#ifdef EALREADY + case EALREADY: +#endif +#if WAIT_IN_PROGRESS > 0 + wait_in_progress = WAIT_IN_PROGRESS; +#endif + status = wait_connectable(fd); + if (status) { + break; + } + errno = 0; + continue; + +#if WAIT_IN_PROGRESS > 0 + case EINVAL: + if (wait_in_progress-- > 0) { + /* + * connect() after EINPROGRESS returns EINVAL on + * some platforms, need to check true error + * status. + */ + sockerrlen = sizeof(sockerr); + status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); + if (!status && !sockerr) { + struct timeval tv = {0, 100000}; + rb_thread_wait_for(tv); + continue; + } + status = -1; + errno = sockerr; + } + break; +#endif + +#ifdef EISCONN + case EISCONN: + status = 0; + errno = 0; + break; +#endif + default: + break; + } + } + return status; + } +} + +static void +make_fd_nonblock(int fd) +{ + int flags; +#ifdef F_GETFL + flags = fcntl(fd, F_GETFL); + if (flags == -1) { + rb_sys_fail(0); + } +#else + flags = 0; +#endif + flags |= O_NONBLOCK; + if (fcntl(fd, F_SETFL, flags) == -1) { + rb_sys_fail(0); + } +} + +VALUE +s_accept_nonblock(VALUE klass, rb_io_t *fptr, struct sockaddr *sockaddr, socklen_t *len) +{ + int fd2; + + rb_secure(3); + rb_io_set_nonblock(fptr); + fd2 = accept(fptr->fd, (struct sockaddr*)sockaddr, len); + if (fd2 < 0) { + rb_sys_fail("accept(2)"); + } + make_fd_nonblock(fd2); + return init_sock(rb_obj_alloc(klass), fd2); +} + +struct accept_arg { + int fd; + struct sockaddr *sockaddr; + socklen_t *len; +}; + +static VALUE +accept_blocking(void *data) +{ + struct accept_arg *arg = data; + return (VALUE)accept(arg->fd, arg->sockaddr, arg->len); +} + +VALUE +s_accept(VALUE klass, int fd, struct sockaddr *sockaddr, socklen_t *len) +{ + int fd2; + int retry = 0; + struct accept_arg arg; + + rb_secure(3); + arg.fd = fd; + arg.sockaddr = sockaddr; + arg.len = len; + retry: + rb_thread_wait_fd(fd); + fd2 = BLOCKING_REGION(accept_blocking, &arg); + if (fd2 < 0) { + switch (errno) { + case EMFILE: + case ENFILE: + if (retry) break; + rb_gc(); + retry = 1; + goto retry; + default: + if (!rb_io_wait_readable(fd)) break; + retry = 0; + goto retry; + } + rb_sys_fail(0); + } + if (!klass) return INT2NUM(fd2); + return init_sock(rb_obj_alloc(klass), fd2); +} + +/* + * SocketError is the error class for socket. + */ +void +Init_socket_init() +{ + rb_eSocket = rb_define_class("SocketError", rb_eStandardError); + Init_ipsocket(); + Init_tcpsocket(); + Init_tcpserver(); + Init_sockssocket(); + Init_udpsocket(); + Init_unixsocket(); + Init_unixserver(); + Init_addrinfo(); + Init_socket_constants(); +} diff --git a/ext/socket/ipsocket.c b/ext/socket/ipsocket.c new file mode 100644 index 0000000000..fe687907b7 --- /dev/null +++ b/ext/socket/ipsocket.c @@ -0,0 +1,246 @@ +/************************************************ + + ipsocket.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +struct inetsock_arg +{ + VALUE sock; + struct { + VALUE host, serv; + struct addrinfo *res; + } remote, local; + int type; + int fd; +}; + +static VALUE +inetsock_cleanup(struct inetsock_arg *arg) +{ + if (arg->remote.res) { + freeaddrinfo(arg->remote.res); + arg->remote.res = 0; + } + if (arg->local.res) { + freeaddrinfo(arg->local.res); + arg->local.res = 0; + } + if (arg->fd >= 0) { + close(arg->fd); + } + return Qnil; +} + +static VALUE +init_inetsock_internal(struct inetsock_arg *arg) +{ + int type = arg->type; + struct addrinfo *res; + int fd, status = 0; + const char *syscall = 0; + + arg->remote.res = sock_addrinfo(arg->remote.host, arg->remote.serv, SOCK_STREAM, + (type == INET_SERVER) ? AI_PASSIVE : 0); + /* + * Maybe also accept a local address + */ + + if (type != INET_SERVER && (!NIL_P(arg->local.host) || !NIL_P(arg->local.serv))) { + arg->local.res = sock_addrinfo(arg->local.host, arg->local.serv, SOCK_STREAM, 0); + } + + arg->fd = fd = -1; + for (res = arg->remote.res; res; res = res->ai_next) { + status = ruby_socket(res->ai_family,res->ai_socktype,res->ai_protocol); + syscall = "socket(2)"; + fd = status; + if (fd < 0) { + continue; + } + arg->fd = fd; + if (type == INET_SERVER) { +#if !defined(_WIN32) && !defined(__CYGWIN__) + status = 1; + setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, + (char*)&status, sizeof(status)); +#endif + status = bind(fd, res->ai_addr, res->ai_addrlen); + syscall = "bind(2)"; + } + else { + if (arg->local.res) { + status = bind(fd, arg->local.res->ai_addr, arg->local.res->ai_addrlen); + syscall = "bind(2)"; + } + + if (status >= 0) { + status = ruby_connect(fd, res->ai_addr, res->ai_addrlen, + (type == INET_SOCKS)); + syscall = "connect(2)"; + } + } + + if (status < 0) { + close(fd); + arg->fd = fd = -1; + continue; + } else + break; + } + if (status < 0) { + rb_sys_fail(syscall); + } + + arg->fd = -1; + + if (type == INET_SERVER) + listen(fd, 5); + + /* create new instance */ + return init_sock(arg->sock, fd); +} + +VALUE +init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, + VALUE local_host, VALUE local_serv, int type) +{ + struct inetsock_arg arg; + arg.sock = sock; + arg.remote.host = remote_host; + arg.remote.serv = remote_serv; + arg.remote.res = 0; + arg.local.host = local_host; + arg.local.serv = local_serv; + arg.local.res = 0; + arg.type = type; + arg.fd = -1; + return rb_ensure(init_inetsock_internal, (VALUE)&arg, + inetsock_cleanup, (VALUE)&arg); +} + +/* + * call-seq: + * ipsocket.addr => [address_family, port, hostname, numeric_address] + * + * Returns the local address as an array which contains + * address_family, port, hostname and numeric_address. + * + * hostname is obtained from numeric_address using reverse lookup. + * If ipsocket.do_not_reverse_lookup is true, + * hostname is same as numeric_address. + * + * TCPSocket.open("www.ruby-lang.org", 80) {|sock| + * p sock.addr #=> ["AF_INET", 49429, "hal", "192.168.0.128"] + * } + * + */ +static VALUE +ip_addr(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_storage addr; + socklen_t len = sizeof addr; + + GetOpenFile(sock, fptr); + + if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + rb_sys_fail("getsockname(2)"); + return ipaddr((struct sockaddr*)&addr, fptr->mode & FMODE_NOREVLOOKUP); +} + +/* + * call-seq: + * ipsocket.peeraddr => [address_family, port, hostname, numeric_address] + * + * Returns the remote address as an array which contains + * address_family, port, hostname and numeric_address. + * It is defined for connection oritented socket such as TCPSocket. + * + * TCPSocket.open("www.ruby-lang.org", 80) {|sock| + * p sock.peeraddr #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] + * } + * + */ +static VALUE +ip_peeraddr(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_storage addr; + socklen_t len = sizeof addr; + + GetOpenFile(sock, fptr); + + if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + rb_sys_fail("getpeername(2)"); + return ipaddr((struct sockaddr*)&addr, fptr->mode & FMODE_NOREVLOOKUP); +} + +/* + * call-seq: + * ipsocket.recvfrom(maxlen) => [mesg, ipaddr] + * ipsocket.recvfrom(maxlen, flags) => [mesg, ipaddr] + * + * Receives a message and return the message as a string and + * an address which the message come from. + * + * _maxlen_ is the maximum number of bytes to receive. + * + * _flags_ should be a bitwise OR of Socket::MSG_* constants. + * + * ipaddr is same as IPSocket#{peeraddr,addr}. + * + * u1 = UDPSocket.new + * u1.bind("127.0.0.1", 4913) + * u2 = UDPSocket.new + * u2.send "uuuu", 0, "127.0.0.1", 4913 + * p u1.recvfrom(10) #=> ["uuuu", ["AF_INET", 33230, "localhost", "127.0.0.1"]] + * + */ +static VALUE +ip_recvfrom(int argc, VALUE *argv, VALUE sock) +{ + return s_recvfrom(sock, argc, argv, RECV_IP); +} + +/* + * call-seq: + * IPSocket.getaddress(host) => ipaddress + * + * Lookups IP address of _host_. + * + * IPSocket.getaddress("localhost") #=> "127.0.0.1" + * IPSocket.getaddress("ip6-localhost") #=> "::1" + * + */ +static VALUE +ip_s_getaddress(VALUE obj, VALUE host) +{ + struct sockaddr_storage addr; + struct addrinfo *res = sock_addrinfo(host, Qnil, SOCK_STREAM, 0); + + /* just take the first one */ + memcpy(&addr, res->ai_addr, res->ai_addrlen); + freeaddrinfo(res); + + return make_ipaddr((struct sockaddr*)&addr); +} + +/* + * IPSocket class + */ +void +Init_ipsocket(void) +{ + rb_cIPSocket = rb_define_class("IPSocket", rb_cBasicSocket); + rb_define_method(rb_cIPSocket, "addr", ip_addr, 0); + rb_define_method(rb_cIPSocket, "peeraddr", ip_peeraddr, 0); + rb_define_method(rb_cIPSocket, "recvfrom", ip_recvfrom, -1); + rb_define_singleton_method(rb_cIPSocket, "getaddress", ip_s_getaddress, 1); +} diff --git a/ext/socket/mkconstants.rb b/ext/socket/mkconstants.rb index 84d42652a6..eca7fe6b88 100644 --- a/ext/socket/mkconstants.rb +++ b/ext/socket/mkconstants.rb @@ -130,7 +130,7 @@ def each_names_with_len(pat, prefix_optional=nil) end ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard=nil)") -static int +int <%=funcname%>(char *str, int len, int *valp) { switch (len) { @@ -183,7 +183,7 @@ ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_hash(hash_var, pa EOS ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_func(func_name, hash_var)") -static ID +ID <%=func_name%>(int val) { st_data_t name; diff --git a/ext/socket/raddrinfo.c b/ext/socket/raddrinfo.c new file mode 100644 index 0000000000..e85109e401 --- /dev/null +++ b/ext/socket/raddrinfo.c @@ -0,0 +1,1572 @@ +/************************************************ + + ainfo.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +#if defined(INET6) && (defined(LOOKUP_ORDER_HACK_INET) || defined(LOOKUP_ORDER_HACK_INET6)) +#define LOOKUP_ORDERS (sizeof(lookup_order_table) / sizeof(lookup_order_table[0])) +static const int lookup_order_table[] = { +#if defined(LOOKUP_ORDER_HACK_INET) + PF_INET, PF_INET6, PF_UNSPEC, +#elif defined(LOOKUP_ORDER_HACK_INET6) + PF_INET6, PF_INET, PF_UNSPEC, +#else + /* should not happen */ +#endif +}; + +static int +ruby_getaddrinfo(const char *nodename, const char *servname, + const struct addrinfo *hints, struct addrinfo **res) +{ + struct addrinfo tmp_hints; + int i, af, error; + + if (hints->ai_family != PF_UNSPEC) { + return getaddrinfo(nodename, servname, hints, res); + } + + for (i = 0; i < LOOKUP_ORDERS; i++) { + af = lookup_order_table[i]; + MEMCPY(&tmp_hints, hints, struct addrinfo, 1); + tmp_hints.ai_family = af; + error = getaddrinfo(nodename, servname, &tmp_hints, res); + if (error) { + if (tmp_hints.ai_family == PF_UNSPEC) { + break; + } + } + else { + break; + } + } + + return error; +} +#define getaddrinfo(node,serv,hints,res) ruby_getaddrinfo((node),(serv),(hints),(res)) +#endif + +#if defined(_AIX) +static int +ruby_getaddrinfo__aix(const char *nodename, const char *servname, + struct addrinfo *hints, struct addrinfo **res) +{ + int error = getaddrinfo(nodename, servname, hints, res); + struct addrinfo *r; + if (error) + return error; + for (r = *res; r != NULL; r = r->ai_next) { + if (r->ai_addr->sa_family == 0) + r->ai_addr->sa_family = r->ai_family; + if (r->ai_addr->sa_len == 0) + r->ai_addr->sa_len = r->ai_addrlen; + } + return 0; +} +#undef getaddrinfo +#define getaddrinfo(node,serv,hints,res) ruby_getaddrinfo__aix((node),(serv),(hints),(res)) +static int +ruby_getnameinfo__aix(const struct sockaddr *sa, size_t salen, + char *host, size_t hostlen, + char *serv, size_t servlen, int flags) +{ + struct sockaddr_in6 *sa6; + u_int32_t *a6; + + if (sa->sa_family == AF_INET6) { + sa6 = (struct sockaddr_in6 *)sa; + a6 = sa6->sin6_addr.u6_addr.u6_addr32; + + if (a6[0] == 0 && a6[1] == 0 && a6[2] == 0 && a6[3] == 0) { + strncpy(host, "::", hostlen); + snprintf(serv, servlen, "%d", sa6->sin6_port); + return 0; + } + } + return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); +} +#undef getnameinfo +#define getnameinfo(sa, salen, host, hostlen, serv, servlen, flags) \ + ruby_getnameinfo__aix((sa), (salen), (host), (hostlen), (serv), (servlen), (flags)) +#endif + +#ifndef GETADDRINFO_EMU +struct getaddrinfo_arg +{ + const char *node; + const char *service; + const struct addrinfo *hints; + struct addrinfo **res; +}; + +static VALUE +nogvl_getaddrinfo(void *arg) +{ + struct getaddrinfo_arg *ptr = arg; + return getaddrinfo(ptr->node, ptr->service, + ptr->hints, ptr->res); +} +#endif + +int +rb_getaddrinfo(const char *node, const char *service, + const struct addrinfo *hints, + struct addrinfo **res) +{ +#ifdef GETADDRINFO_EMU + return getaddrinfo(node, service, hints, res); +#else + struct getaddrinfo_arg arg; + int ret; + arg.node = node; + arg.service = service; + arg.hints = hints; + arg.res = res; + ret = BLOCKING_REGION(nogvl_getaddrinfo, &arg); + return ret; +#endif +} + +#ifndef GETADDRINFO_EMU +struct getnameinfo_arg +{ + const struct sockaddr *sa; + socklen_t salen; + char *host; + size_t hostlen; + char *serv; + size_t servlen; + int flags; +}; + +static VALUE +nogvl_getnameinfo(void *arg) +{ + struct getnameinfo_arg *ptr = arg; + return getnameinfo(ptr->sa, ptr->salen, + ptr->host, ptr->hostlen, + ptr->serv, ptr->servlen, + ptr->flags); +} +#endif + +int +rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, + char *host, size_t hostlen, + char *serv, size_t servlen, int flags) +{ +#ifdef GETADDRINFO_EMU + return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); +#else + struct getnameinfo_arg arg; + int ret; + arg.sa = sa; + arg.salen = salen; + arg.host = host; + arg.hostlen = hostlen; + arg.serv = serv; + arg.servlen = servlen; + arg.flags = flags; + ret = BLOCKING_REGION(nogvl_getnameinfo, &arg); + return ret; +#endif +} + +static void +make_ipaddr0(struct sockaddr *addr, char *buf, size_t len) +{ + int error; + + error = rb_getnameinfo(addr, SA_LEN(addr), buf, len, NULL, 0, NI_NUMERICHOST); + if (error) { + raise_socket_error("getnameinfo", error); + } +} + +VALUE +make_ipaddr(struct sockaddr *addr) +{ + char buf[1024]; + + make_ipaddr0(addr, buf, sizeof(buf)); + return rb_str_new2(buf); +} + +static void +make_inetaddr(long host, char *buf, size_t len) +{ + struct sockaddr_in sin; + + MEMZERO(&sin, struct sockaddr_in, 1); + sin.sin_family = AF_INET; + SET_SIN_LEN(&sin, sizeof(sin)); + sin.sin_addr.s_addr = host; + make_ipaddr0((struct sockaddr*)&sin, buf, len); +} + +static int +str_isnumber(const char *p) +{ + char *ep; + + if (!p || *p == '\0') + return 0; + ep = NULL; + (void)STRTOUL(p, &ep, 10); + if (ep && *ep == '\0') + return 1; + else + return 0; +} + +static char* +host_str(VALUE host, char *hbuf, size_t len, int *flags_ptr) +{ + if (NIL_P(host)) { + return NULL; + } + else if (rb_obj_is_kind_of(host, rb_cInteger)) { + unsigned long i = NUM2ULONG(host); + + make_inetaddr(htonl(i), hbuf, len); + if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; + return hbuf; + } + else { + char *name; + + SafeStringValue(host); + name = RSTRING_PTR(host); + if (!name || *name == 0 || (name[0] == '<' && strcmp(name, "<any>") == 0)) { + make_inetaddr(INADDR_ANY, hbuf, len); + if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; + } + else if (name[0] == '<' && strcmp(name, "<broadcast>") == 0) { + make_inetaddr(INADDR_BROADCAST, hbuf, len); + if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; + } + else if (strlen(name) >= len) { + rb_raise(rb_eArgError, "hostname too long (%"PRIuSIZE")", + strlen(name)); + } + else { + strcpy(hbuf, name); + } + return hbuf; + } +} + +static char* +port_str(VALUE port, char *pbuf, size_t len, int *flags_ptr) +{ + if (NIL_P(port)) { + return 0; + } + else if (FIXNUM_P(port)) { + snprintf(pbuf, len, "%ld", FIX2LONG(port)); +#ifdef AI_NUMERICSERV + if (flags_ptr) *flags_ptr |= AI_NUMERICSERV; +#endif + return pbuf; + } + else { + char *serv; + + SafeStringValue(port); + serv = RSTRING_PTR(port); + if (strlen(serv) >= len) { + rb_raise(rb_eArgError, "service name too long (%"PRIuSIZE")", + strlen(serv)); + } + strcpy(pbuf, serv); + return pbuf; + } +} + +struct addrinfo* +sock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack) +{ + struct addrinfo* res = NULL; + char *hostp, *portp; + int error; + char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV]; + int additional_flags = 0; + + hostp = host_str(host, hbuf, sizeof(hbuf), &additional_flags); + portp = port_str(port, pbuf, sizeof(pbuf), &additional_flags); + + if (socktype_hack && hints->ai_socktype == 0 && str_isnumber(portp)) { + hints->ai_socktype = SOCK_DGRAM; + } + hints->ai_flags |= additional_flags; + + error = rb_getaddrinfo(hostp, portp, hints, &res); + if (error) { + if (hostp && hostp[strlen(hostp)-1] == '\n') { + rb_raise(rb_eSocket, "newline at the end of hostname"); + } + raise_socket_error("getaddrinfo", error); + } + +#if defined(__APPLE__) && defined(__MACH__) + { + struct addrinfo *r; + r = res; + while (r) { + if (! r->ai_socktype) r->ai_socktype = hints->ai_socktype; + if (! r->ai_protocol) { + if (r->ai_socktype == SOCK_DGRAM) { + r->ai_protocol = IPPROTO_UDP; + } + else if (r->ai_socktype == SOCK_STREAM) { + r->ai_protocol = IPPROTO_TCP; + } + } + r = r->ai_next; + } + } +#endif + return res; +} + +struct addrinfo* +sock_addrinfo(VALUE host, VALUE port, int socktype, int flags) +{ + struct addrinfo hints; + + MEMZERO(&hints, struct addrinfo, 1); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = socktype; + hints.ai_flags = flags; + return sock_getaddrinfo(host, port, &hints, 1); +} + +VALUE +ipaddr(struct sockaddr *sockaddr, int norevlookup) +{ + VALUE family, port, addr1, addr2; + VALUE ary; + int error; + char hbuf[1024], pbuf[1024]; + ID id; + + id = intern_family(sockaddr->sa_family); + if (id) { + family = rb_str_dup(rb_id2str(id)); + } + else { + sprintf(pbuf, "unknown:%d", sockaddr->sa_family); + family = rb_str_new2(pbuf); + } + + addr1 = Qnil; + if (!norevlookup) { + error = rb_getnameinfo(sockaddr, SA_LEN(sockaddr), hbuf, sizeof(hbuf), + NULL, 0, 0); + if (! error) { + addr1 = rb_str_new2(hbuf); + } + } + error = rb_getnameinfo(sockaddr, SA_LEN(sockaddr), hbuf, sizeof(hbuf), + pbuf, sizeof(pbuf), NI_NUMERICHOST | NI_NUMERICSERV); + if (error) { + raise_socket_error("getnameinfo", error); + } + addr2 = rb_str_new2(hbuf); + if (addr1 == Qnil) { + addr1 = addr2; + } + port = INT2FIX(atoi(pbuf)); + ary = rb_ary_new3(4, family, port, addr1, addr2); + + return ary; +} + +#ifdef HAVE_SYS_UN_H +const char* +unixpath(struct sockaddr_un *sockaddr, socklen_t len) +{ + if (sockaddr->sun_path < (char*)sockaddr + len) + return sockaddr->sun_path; + else + return ""; +} + +VALUE +unixaddr(struct sockaddr_un *sockaddr, socklen_t len) +{ + return rb_assoc_new(rb_str_new2("AF_UNIX"), + rb_str_new2(unixpath(sockaddr, len))); +} +#endif + +struct hostent_arg { + VALUE host; + struct addrinfo* addr; + VALUE (*ipaddr)(struct sockaddr*, size_t); +}; + +static VALUE +make_hostent_internal(struct hostent_arg *arg) +{ + VALUE host = arg->host; + struct addrinfo* addr = arg->addr; + VALUE (*ipaddr)(struct sockaddr*, size_t) = arg->ipaddr; + + struct addrinfo *ai; + struct hostent *h; + VALUE ary, names; + char **pch; + const char* hostp; + char hbuf[NI_MAXHOST]; + + ary = rb_ary_new(); + if (addr->ai_canonname) { + hostp = addr->ai_canonname; + } + else { + hostp = host_str(host, hbuf, sizeof(hbuf), NULL); + } + rb_ary_push(ary, rb_str_new2(hostp)); + + if (addr->ai_canonname && (h = gethostbyname(addr->ai_canonname))) { + names = rb_ary_new(); + if (h->h_aliases != NULL) { + for (pch = h->h_aliases; *pch; pch++) { + rb_ary_push(names, rb_str_new2(*pch)); + } + } + } + else { + names = rb_ary_new2(0); + } + rb_ary_push(ary, names); + rb_ary_push(ary, INT2NUM(addr->ai_family)); + for (ai = addr; ai; ai = ai->ai_next) { + rb_ary_push(ary, (*ipaddr)(ai->ai_addr, ai->ai_addrlen)); + } + + return ary; +} + +VALUE +make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, size_t)) +{ + struct hostent_arg arg; + + arg.host = host; + arg.addr = addr; + arg.ipaddr = ipaddr; + return rb_ensure(make_hostent_internal, (VALUE)&arg, + RUBY_METHOD_FUNC(freeaddrinfo), (VALUE)addr); +} + +typedef struct { + VALUE inspectname; + VALUE canonname; + int pfamily; + int socktype; + int protocol; + size_t sockaddr_len; + struct sockaddr_storage addr; +} rb_addrinfo_t; + +static void +addrinfo_mark(rb_addrinfo_t *rai) +{ + if (rai) { + rb_gc_mark(rai->inspectname); + rb_gc_mark(rai->canonname); + } +} + +static void +addrinfo_free(rb_addrinfo_t *rai) +{ + xfree(rai); +} + +static VALUE +addrinfo_s_allocate(VALUE klass) +{ + return Data_Wrap_Struct(klass, addrinfo_mark, addrinfo_free, 0); +} + +#define IS_ADDRINFO(obj) (RDATA(obj)->dmark == (RUBY_DATA_FUNC)addrinfo_mark) +static rb_addrinfo_t * +check_addrinfo(VALUE self) +{ + Check_Type(self, RUBY_T_DATA); + if (!IS_ADDRINFO(self)) { + rb_raise(rb_eTypeError, "wrong argument type %s (expected AddrInfo)", + rb_class2name(CLASS_OF(self))); + } + return DATA_PTR(self); +} + +static rb_addrinfo_t * +get_addrinfo(VALUE self) +{ + rb_addrinfo_t *rai = check_addrinfo(self); + + if (!rai) { + rb_raise(rb_eTypeError, "uninitialized socket address"); + } + return rai; +} + + +static rb_addrinfo_t * +alloc_addrinfo() +{ + rb_addrinfo_t *rai = ALLOC(rb_addrinfo_t); + memset(rai, 0, sizeof(rb_addrinfo_t)); + rai->inspectname = Qnil; + rai->canonname = Qnil; + return rai; +} + +static void +init_addrinfo(rb_addrinfo_t *rai, struct sockaddr *sa, size_t len, + int pfamily, int socktype, int protocol, + VALUE canonname, VALUE inspectname) +{ + if (sizeof(rai->addr) < len) + rb_raise(rb_eArgError, "sockaddr string too big"); + memcpy((void *)&rai->addr, (void *)sa, len); + rai->sockaddr_len = len; + + rai->pfamily = pfamily; + rai->socktype = socktype; + rai->protocol = protocol; + rai->canonname = canonname; + rai->inspectname = inspectname; +} + +static VALUE +addrinfo_new(struct sockaddr *addr, socklen_t len, + int family, int socktype, int protocol, + VALUE canonname, VALUE inspectname) +{ + VALUE a; + rb_addrinfo_t *rai; + + a = addrinfo_s_allocate(rb_cAddrInfo); + DATA_PTR(a) = rai = alloc_addrinfo(); + init_addrinfo(rai, addr, len, family, socktype, protocol, canonname, inspectname); + return a; +} + +static struct addrinfo * +call_getaddrinfo(VALUE node, VALUE service, + VALUE family, VALUE socktype, VALUE protocol, VALUE flags, + int socktype_hack) +{ + struct addrinfo hints, *res; + + MEMZERO(&hints, struct addrinfo, 1); + hints.ai_family = NIL_P(family) ? PF_UNSPEC : family_arg(family); + + if (!NIL_P(socktype)) { + hints.ai_socktype = socktype_arg(socktype); + } + if (!NIL_P(protocol)) { + hints.ai_protocol = NUM2INT(protocol); + } + if (!NIL_P(flags)) { + hints.ai_flags = NUM2INT(flags); + } + res = sock_getaddrinfo(node, service, &hints, socktype_hack); + + if (res == NULL) + rb_raise(rb_eSocket, "host not found"); + return res; +} + +static void +init_addrinfo_getaddrinfo(rb_addrinfo_t *rai, VALUE node, VALUE service, + VALUE family, VALUE socktype, VALUE protocol, VALUE flags, + VALUE inspectname) +{ + struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 1); + VALUE canonname; + + canonname = Qnil; + if (res->ai_canonname) { + canonname = rb_tainted_str_new_cstr(res->ai_canonname); + OBJ_FREEZE(canonname); + } + + init_addrinfo(rai, res->ai_addr, res->ai_addrlen, + NUM2INT(family), NUM2INT(socktype), NUM2INT(protocol), + canonname, inspectname); + + freeaddrinfo(res); +} + +static VALUE +make_inspectname(VALUE node, VALUE service) +{ + VALUE inspectname = Qnil; + if (TYPE(node) == T_STRING) { + inspectname = rb_str_dup(node); + } + if (TYPE(service) == T_STRING) { + if (NIL_P(inspectname)) + inspectname = rb_sprintf(":%s", StringValueCStr(service)); + else + rb_str_catf(inspectname, ":%s", StringValueCStr(service)); + } + else if (TYPE(service) == T_FIXNUM && FIX2INT(service) != 0) + { + if (NIL_P(inspectname)) + inspectname = rb_sprintf(":%d", FIX2INT(service)); + else + rb_str_catf(inspectname, ":%d", FIX2INT(service)); + } + if (!NIL_P(inspectname)) { + OBJ_INFECT(inspectname, node); + OBJ_INFECT(inspectname, service); + OBJ_FREEZE(inspectname); + } + return inspectname; +} + +static VALUE +addrinfo_firstonly_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags) +{ + VALUE ret; + VALUE canonname; + VALUE inspectname; + + struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0); + + inspectname = make_inspectname(node, service); + + canonname = Qnil; + if (res->ai_canonname) { + canonname = rb_tainted_str_new_cstr(res->ai_canonname); + OBJ_FREEZE(canonname); + } + + ret = addrinfo_new(res->ai_addr, res->ai_addrlen, + res->ai_family, res->ai_socktype, res->ai_protocol, + canonname, inspectname); + + freeaddrinfo(res); + return ret; +} + +static VALUE +addrinfo_list_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags) +{ + VALUE ret; + struct addrinfo *r; + VALUE inspectname; + + struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0); + + inspectname = make_inspectname(node, service); + + ret = rb_ary_new(); + for (r = res; r; r = r->ai_next) { + VALUE addr; + VALUE canonname = Qnil; + + if (r->ai_canonname) { + canonname = rb_tainted_str_new_cstr(r->ai_canonname); + OBJ_FREEZE(canonname); + } + + addr = addrinfo_new(r->ai_addr, r->ai_addrlen, + r->ai_family, r->ai_socktype, r->ai_protocol, + canonname, inspectname); + + rb_ary_push(ret, addr); + } + + freeaddrinfo(res); + return ret; +} + + +#ifdef HAVE_SYS_UN_H +static void +init_unix_addrinfo(rb_addrinfo_t *rai, VALUE path) +{ + struct sockaddr_un un; + + StringValue(path); + + if (sizeof(un.sun_path) <= RSTRING_LEN(path)) + rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)", + (int)sizeof(un.sun_path)-1); + + MEMZERO(&un, struct sockaddr_un, 1); + + un.sun_family = AF_UNIX; + memcpy((void*)&un.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); + + init_addrinfo(rai, (struct sockaddr *)&un, sizeof(un), AF_UNIX, SOCK_STREAM, 0, Qnil, Qnil); +} +#endif + +/* + * call-seq: + * AddrInfo.new(sockaddr) => addrinfo + * AddrInfo.new(sockaddr, family) => addrinfo + * AddrInfo.new(sockaddr, family, socktype) => addrinfo + * AddrInfo.new(sockaddr, family, socktype, protocol) => addrinfo + * + * returns a new instance of AddrInfo. + * It the instnace contains sockaddr, family, socktype, protocol. + * sockaddr means struct sockaddr which can be used for connect(2), etc. + * family, socktype and protocol are integers which is used for arguments of socket(2). + * + * sockaddr is specified as an array or a string. + * The array should be compatible to the value of IPSocket#addr or UNIXSocket#addr. + * The string should be struct sockaddr as generated by + * Socket.sockaddr_in or Socket.unpack_sockaddr_un. + * + * sockaddr examples: + * - ["AF_INET", 46102, "localhost.localdomain", "127.0.0.1"] + * - ["AF_INET6", 42304, "ip6-localhost", "::1"] + * - ["AF_UNIX", "/tmp/sock"] + * - Socket.sockaddr_in("smtp", "2001:DB8::1") + * - Socket.sockaddr_in(80, "172.18.22.42") + * - Socket.sockaddr_in(80, "www.ruby-lang.org") + * - Socket.sockaddr_un("/tmp/sock") + * + * In an AF_INET/AF_INET6 sockaddr array, the 4th element, + * numeric IP address, is used to construct socket address in the AddrInfo instance. + * The 3rd element, textual host name, is also recorded but only used for AddrInfo#inspect. + * + * family is specified as an integer to specify the protocol family such as Socket::PF_INET. + * It can be a symbol or a string which is the constant name + * with or without PF_ prefix such as :INET, :INET6, :UNIX, "PF_INET", etc. + * If ommitted, PF_UNSPEC is assumed. + * + * socktype is specified as an integer to specify the socket type such as Socket::SOCK_STREAM. + * It can be a symbol or a string which is the constant name + * with or without SOCK_ prefix such as :STREAM, :DGRAM, :RAW, "SOCK_STREAM", etc. + * If ommitted, 0 is assumed. + * + * protocol is specified as an integer to specify the protocol such as Socket::IPPROTO_TCP. + * It must be an integer, unlike family and socktype. + * If ommitted, 0 is assumed. + * Note that 0 is reasonable value for most protocols, except raw socket. + * + */ +static VALUE +addrinfo_initialize(int argc, VALUE *argv, VALUE self) +{ + rb_addrinfo_t *rai; + VALUE sockaddr_arg, sockaddr_ary, pfamily, socktype, protocol; + int i_pfamily, i_socktype, i_protocol; + struct sockaddr *sockaddr_ptr; + size_t sockaddr_len; + VALUE canonname = Qnil, inspectname = Qnil; + + if (check_addrinfo(self)) + rb_raise(rb_eTypeError, "already initialized socket address"); + DATA_PTR(self) = rai = alloc_addrinfo(); + + rb_scan_args(argc, argv, "13", &sockaddr_arg, &pfamily, &socktype, &protocol); + + i_pfamily = NIL_P(pfamily) ? PF_UNSPEC : family_arg(pfamily); + i_socktype = NIL_P(socktype) ? 0 : socktype_arg(socktype); + i_protocol = NIL_P(protocol) ? 0 : NUM2INT(protocol); + + sockaddr_ary = rb_check_array_type(sockaddr_arg); + if (!NIL_P(sockaddr_ary)) { + VALUE afamily = rb_ary_entry(sockaddr_ary, 0); + int af; + StringValue(afamily); + if (family_to_int(RSTRING_PTR(afamily), RSTRING_LEN(afamily), &af) == -1) + rb_raise(rb_eSocket, "unknown address family: %s", StringValueCStr(afamily)); + switch (af) { + case AF_INET: /* ["AF_INET", 46102, "localhost.localdomain", "127.0.0.1"] */ +#ifdef INET6 + case AF_INET6: /* ["AF_INET6", 42304, "ip6-localhost", "::1"] */ +#endif + { + VALUE service = rb_ary_entry(sockaddr_ary, 1); + VALUE nodename = rb_ary_entry(sockaddr_ary, 2); + VALUE numericnode = rb_ary_entry(sockaddr_ary, 3); + int flags; + + service = INT2NUM(NUM2INT(service)); + if (!NIL_P(nodename)) + StringValue(nodename); + StringValue(numericnode); + flags = AI_NUMERICHOST; +#ifdef AI_NUMERICSERV + flags |= AI_NUMERICSERV; +#endif + + init_addrinfo_getaddrinfo(rai, numericnode, service, + INT2NUM(i_pfamily ? i_pfamily : af), INT2NUM(i_socktype), INT2NUM(i_protocol), + INT2NUM(flags), + rb_str_equal(numericnode, nodename) ? Qnil : make_inspectname(nodename, service)); + break; + } + +#ifdef HAVE_SYS_UN_H + case AF_UNIX: /* ["AF_UNIX", "/tmp/sock"] */ + { + VALUE path = rb_ary_entry(sockaddr_ary, 1); + StringValue(path); + init_unix_addrinfo(rai, path); + break; + } +#endif + + default: + rb_raise(rb_eSocket, "unexpected address family"); + } + } + else { + StringValue(sockaddr_arg); + sockaddr_ptr = (struct sockaddr *)RSTRING_PTR(sockaddr_arg); + sockaddr_len = RSTRING_LEN(sockaddr_arg); + init_addrinfo(rai, sockaddr_ptr, sockaddr_len, + i_pfamily, i_socktype, i_protocol, + canonname, inspectname); + } + + return self; +} + +static int +get_afamily(struct sockaddr *addr, socklen_t len) +{ + if ((char*)&addr->sa_family + sizeof(addr->sa_family) - (char*)addr <= len) + return addr->sa_family; + else + return AF_UNSPEC; +} + +static int +ai_get_afamily(rb_addrinfo_t *rai) +{ + return get_afamily((struct sockaddr *)&rai->addr, rai->sockaddr_len); +} + +/* + * call-seq: + * addrinfo.inspect => string + * + * returns a string which shows addrinfo in human-readable form. + * + * AddrInfo.tcp("localhost", 80).inspect #=> "#<AddrInfo: 127.0.0.1:80 TCP (localhost:80)>" + * AddrInfo.unix("/tmp/sock").inspect #=> "#<AddrInfo: /tmp/sock SOCK_STREAM>" + * + */ +static VALUE +addrinfo_inspect(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + int internet_p; + VALUE ret; + + ret = rb_sprintf("#<%s: ", rb_obj_classname(self)); + + if (rai->sockaddr_len == 0) { + rb_str_cat2(ret, "empty-sockaddr"); + } + else if (rai->sockaddr_len < ((char*)&rai->addr.ss_family + sizeof(rai->addr.ss_family)) - (char*)&rai->addr) + rb_str_cat2(ret, "too-short-sockaddr"); + else { + switch (rai->addr.ss_family) { + case AF_INET: + { + struct sockaddr_in *addr; + int port; + if (rai->sockaddr_len < sizeof(struct sockaddr_in)) { + rb_str_cat2(ret, "too-short-AF_INET-sockaddr"); + } + else { + addr = (struct sockaddr_in *)&rai->addr; + rb_str_catf(ret, "%d.%d.%d.%d", + ((unsigned char*)&addr->sin_addr)[0], + ((unsigned char*)&addr->sin_addr)[1], + ((unsigned char*)&addr->sin_addr)[2], + ((unsigned char*)&addr->sin_addr)[3]); + port = ntohs(addr->sin_port); + if (port) + rb_str_catf(ret, ":%d", port); + if (sizeof(struct sockaddr_in) < rai->sockaddr_len) + rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(rai->sockaddr_len - sizeof(struct sockaddr_in))); + } + break; + } + +#ifdef INET6 + case AF_INET6: + { + struct sockaddr_in6 *addr; + char hbuf[1024]; + int port; + int error; + if (rai->sockaddr_len < sizeof(struct sockaddr_in6)) { + rb_str_cat2(ret, "too-short-AF_INET6-sockaddr"); + } + else { + addr = (struct sockaddr_in6 *)&rai->addr; + /* use getnameinfo for scope_id. + * RFC 4007: IPv6 Scoped Address Architecture + * draft-ietf-ipv6-scope-api-00.txt: Scoped Address Extensions to the IPv6 Basic Socket API + */ + error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, + hbuf, sizeof(hbuf), NULL, 0, + NI_NUMERICHOST|NI_NUMERICSERV); + if (error) { + raise_socket_error("getnameinfo", error); + } + if (addr->sin6_port == 0) { + rb_str_cat2(ret, hbuf); + } + else { + port = ntohs(addr->sin6_port); + rb_str_catf(ret, "[%s]:%d", hbuf, port); + } + if (sizeof(struct sockaddr_in6) < rai->sockaddr_len) + rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(rai->sockaddr_len - sizeof(struct sockaddr_in6))); + } + break; + } +#endif + +#ifdef HAVE_SYS_UN_H + case AF_UNIX: + { + struct sockaddr_un *addr = (struct sockaddr_un *)&rai->addr; + char *p, *s, *t, *e; + s = addr->sun_path; + e = (char*)addr + rai->sockaddr_len; + if (e < s) + rb_str_cat2(ret, "too-short-AF_UNIX-sockaddr"); + else if (s == e) + rb_str_cat2(ret, "empty-path-AF_UNIX-sockaddr"); + else { + int printable_only = 1; + p = s; + while (p < e && *p != '\0') { + printable_only = printable_only && ISPRINT(*p) && !ISSPACE(*p); + p++; + } + t = p; + while (p < e && *p == '\0') + p++; + if (printable_only && /* only printable, no space */ + t < e && /* NUL terminated */ + p == e) { /* no data after NUL */ + if (s == t) + rb_str_cat2(ret, "empty-path-AF_UNIX-sockaddr"); + else if (s[0] == '/') /* absolute path */ + rb_str_cat2(ret, s); + else + rb_str_catf(ret, "AF_UNIX %s", s); + } + else { + rb_str_cat2(ret, "AF_UNIX"); + e = (char *)addr->sun_path + sizeof(addr->sun_path); + while (s < e && *(e-1) == '\0') + e--; + while (s < e) + rb_str_catf(ret, ":%02x", (unsigned char)*s++); + } + if (addr->sun_path + sizeof(addr->sun_path) < (char*)&rai->addr + rai->sockaddr_len) + rb_str_catf(ret, "(sockaddr %d bytes too long)", + (int)(rai->sockaddr_len - (addr->sun_path + sizeof(addr->sun_path) - (char*)&rai->addr))); + } + break; + } +#endif + + default: + { + ID id = intern_family(rai->addr.ss_family); + if (id == 0) + rb_str_catf(ret, "unknown address family %d", rai->addr.ss_family); + else + rb_str_catf(ret, "%s address format unknown", rb_id2name(id)); + break; + } + } + } + + if (rai->pfamily && ai_get_afamily(rai) != rai->pfamily) { + ID id = intern_protocol_family(rai->pfamily); + if (id) + rb_str_catf(ret, " %s", rb_id2name(id)); + else + rb_str_catf(ret, " PF_\?\?\?(%d)", rai->pfamily); + } + + internet_p = rai->pfamily == PF_INET; +#ifdef INET6 + internet_p = internet_p || rai->pfamily == PF_INET6; +#endif + if (internet_p && rai->socktype == SOCK_STREAM && + (rai->protocol == 0 || rai->protocol == IPPROTO_TCP)) { + rb_str_cat2(ret, " TCP"); + } + else if (internet_p && rai->socktype == SOCK_DGRAM && + (rai->protocol == 0 || rai->protocol == IPPROTO_UDP)) { + rb_str_cat2(ret, " UDP"); + } + else { + if (rai->socktype) { + ID id = intern_socktype(rai->socktype); + if (id) + rb_str_catf(ret, " %s", rb_id2name(id)); + else + rb_str_catf(ret, " SOCK_\?\?\?(%d)", rai->socktype); + } + + if (rai->protocol) { + if (internet_p) { + ID id = intern_ipproto(rai->protocol); + if (id) + rb_str_catf(ret, " %s", rb_id2name(id)); + else + goto unknown_protocol; + } + else { + unknown_protocol: + rb_str_catf(ret, " UNKNOWN_PROTOCOL(%d)", rai->protocol); + } + } + } + + if (!NIL_P(rai->canonname)) { + VALUE name = rai->canonname; + rb_str_catf(ret, " %s", StringValueCStr(name)); + } + + if (!NIL_P(rai->inspectname)) { + VALUE name = rai->inspectname; + rb_str_catf(ret, " (%s)", StringValueCStr(name)); + } + + rb_str_buf_cat2(ret, ">"); + return ret; +} + +/* + * call-seq: + * addrinfo.afamily => integer + * + * returns the address family as an integer. + * + * AddrInfo.tcp("localhost", 80).afamily == Socket::AF_INET #=> true + * + */ +static VALUE +addrinfo_afamily(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + return INT2NUM(ai_get_afamily(rai)); +} + +/* + * call-seq: + * addrinfo.pfamily => integer + * + * returns the protocol family as an integer. + * + * AddrInfo.tcp("localhost", 80).pfamily == Socket::PF_INET #=> true + * + */ +static VALUE +addrinfo_pfamily(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + return INT2NUM(rai->pfamily); +} + +/* + * call-seq: + * addrinfo.socktype => integer + * + * returns the socket type as an integer. + * + * AddrInfo.tcp("localhost", 80).socktype == Socket::SOCK_STREAM #=> true + * + */ +static VALUE +addrinfo_socktype(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + return INT2NUM(rai->socktype); +} + +/* + * call-seq: + * addrinfo.protocol => integer + * + * returns the socket type as an integer. + * + * AddrInfo.tcp("localhost", 80).protocol == Socket::IPPROTO_TCP #=> true + * + */ +static VALUE +addrinfo_protocol(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + return INT2NUM(rai->protocol); +} + +/* + * call-seq: + * addrinfo.to_sockaddr => string + * + * returns the socket address as packed struct sockaddr string. + * + * AddrInfo.tcp("localhost", 80).to_sockaddr + * #=> "\x02\x00\x00P\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" + * + */ +static VALUE +addrinfo_to_sockaddr(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + VALUE ret; + ret = rb_str_new((char*)&rai->addr, rai->sockaddr_len); + OBJ_INFECT(ret, self); + return ret; +} + +/* + * call-seq: + * addrinfo.canonname => string or nil + * + * returns the canonical name as an string. + * + * nil is returned if no canonical name. + * + * The canonical name is set by AddrInfo.getaddrinfo when AI_CANONNAME is specified. + * + * list = AddrInfo.getaddrinfo("www.ruby-lang.org", 80, :INET, :STREAM, nil, Socket::AI_CANONNAME) + * p list[0] #=> #<AddrInfo: 221.186.184.68:80 TCP carbon.ruby-lang.org (www.ruby-lang.org:80)> + * p list[0].canonname #=> "carbon.ruby-lang.org" + * + */ +static VALUE +addrinfo_canonname(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + return rai->canonname; +} + +#ifdef AF_INET6 +# define IS_IP_FAMILY(af) ((af) == AF_INET || (af) == AF_INET6) +#else +# define IS_IP_FAMILY(af) ((af) == AF_INET) +#endif + +/* + * call-seq: + * addrinfo.ip? => true or false + * + * returns true if addrinfo is internet (IPv4/IPv6) address. + * returns false otherwise. + * + * AddrInfo.tcp("127.0.0.1", 80).ip? #=> true + * AddrInfo.tcp("::1", 80).ip? #=> true + * AddrInfo.unix("/tmp/sock").ip? #=> false + * + */ +static VALUE +addrinfo_ip_p(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + int family = ai_get_afamily(rai); + return IS_IP_FAMILY(family) ? Qtrue : Qfalse; +} + +/* + * call-seq: + * addrinfo.ipv4? => true or false + * + * returns true if addrinfo is IPv4 address. + * returns false otherwise. + * + * AddrInfo.tcp("127.0.0.1", 80).ipv4? #=> true + * AddrInfo.tcp("::1", 80).ipv4? #=> false + * AddrInfo.unix("/tmp/sock").ipv4? #=> false + * + */ +static VALUE +addrinfo_ipv4_p(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + return ai_get_afamily(rai) == AF_INET ? Qtrue : Qfalse; +} + +/* + * call-seq: + * addrinfo.ipv6? => true or false + * + * returns true if addrinfo is IPv6 address. + * returns false otherwise. + * + * AddrInfo.tcp("127.0.0.1", 80).ipv6? #=> false + * AddrInfo.tcp("::1", 80).ipv6? #=> true + * AddrInfo.unix("/tmp/sock").ipv6? #=> false + * + */ +static VALUE +addrinfo_ipv6_p(VALUE self) +{ +#ifdef AF_INET6 + rb_addrinfo_t *rai = get_addrinfo(self); + return ai_get_afamily(rai) == AF_INET6 ? Qtrue : Qfalse; +#else + return Qfalse; +#endif +} + +/* + * call-seq: + * addrinfo.unix? => true or false + * + * returns true if addrinfo is UNIX address. + * returns false otherwise. + * + * AddrInfo.tcp("127.0.0.1", 80).unix? #=> false + * AddrInfo.tcp("::1", 80).unix? #=> false + * AddrInfo.unix("/tmp/sock").unix? #=> true + * + */ +static VALUE +addrinfo_unix_p(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); +#ifdef AF_UNIX + return ai_get_afamily(rai) == AF_UNIX ? Qtrue : Qfalse; +#else + return Qfalse; +#endif +} + +/* + * call-seq: + * addrinfo.getnameinfo => [nodename, service] + * addrinfo.getnameinfo(flags) => [nodename, service] + * + * returns nodename and service as a pair of strings. + * This converts struct sockaddr in addrinfo to textual representation. + * + * flags should be bitwise OR of Socket::NI_??? constants. + * + * AddrInfo.tcp("127.0.0.1", 80).getnameinfo #=> ["localhost", "www"] + * + * AddrInfo.tcp("127.0.0.1", 80).getnameinfo(Socket::NI_NUMERICSERV) + * #=> ["localhost", "80"] + */ +static VALUE +addrinfo_getnameinfo(int argc, VALUE *argv, VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + VALUE vflags; + char hbuf[1024], pbuf[1024]; + int flags, error; + + rb_scan_args(argc, argv, "01", &vflags); + + flags = NIL_P(vflags) ? 0 : NUM2INT(vflags); + + if (rai->socktype == SOCK_DGRAM) + flags |= NI_DGRAM; + + error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, + hbuf, sizeof(hbuf), pbuf, sizeof(pbuf), + flags); + if (error) { + raise_socket_error("getnameinfo", error); + } + + return rb_assoc_new(rb_str_new2(hbuf), rb_str_new2(pbuf)); +} + +/* + * call-seq: + * addrinfo.ip_unpack => [addr, port] + * + * Returns the IP address and port number as 2-element array. + * + * AddrInfo.tcp("127.0.0.1", 80).ip_unpack #=> ["127.0.0.1", 80] + * AddrInfo.tcp("::1", 80).ip_unpack #=> ["::1", 80] + */ +static VALUE +addrinfo_ip_unpack(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + int family = ai_get_afamily(rai); + VALUE vflags; + VALUE ret, portstr; + + if (!IS_IP_FAMILY(family)) + rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); + + vflags = INT2NUM(NI_NUMERICHOST|NI_NUMERICSERV); + ret = addrinfo_getnameinfo(1, &vflags, self); + portstr = rb_ary_entry(ret, 1); + rb_ary_store(ret, 1, INT2NUM(atoi(StringValueCStr(portstr)))); + return ret; +} + +#ifdef HAVE_SYS_UN_H +/* + * call-seq: + * addrinfo.unix_path => path + * + * Returns the socket path as a string. + * + * AddrInfo.unix("/tmp/sock").unix_path #=> "/tmp/sock" + */ +static VALUE +addrinfo_unix_path(VALUE self) +{ + rb_addrinfo_t *rai = get_addrinfo(self); + int family = ai_get_afamily(rai); + struct sockaddr_un *addr; + char *s, *e; + + if (family != AF_UNIX) + rb_raise(rb_eSocket, "need AF_UNIX address"); + + addr = (struct sockaddr_un *)&rai->addr; + + s = addr->sun_path; + e = (char*)addr + rai->sockaddr_len; + if (e < s) + rb_raise(rb_eSocket, "too short AF_UNIX address"); + if (addr->sun_path + sizeof(addr->sun_path) < e) + rb_raise(rb_eSocket, "too long AF_UNIX address"); + while (s < e && *(e-1) == '\0') + e--; + return rb_str_new(s, e-s); +} +#endif + +/* + * call-seq: + * AddrInfo.getaddrinfo(nodename, service, family, socktype, protocol, flags) => [addrinfo, ...] + * AddrInfo.getaddrinfo(nodename, service, family, socktype, protocol) => [addrinfo, ...] + * AddrInfo.getaddrinfo(nodename, service, family, socktype) => [addrinfo, ...] + * AddrInfo.getaddrinfo(nodename, service, family) => [addrinfo, ...] + * AddrInfo.getaddrinfo(nodename, service) => [addrinfo, ...] + * + * returns a list of addrinfo objects as an array. + * + * This method converts nodename (hostname) and service (port) to addrinfo. + * Since the conversion is not unique, the result is a list of addrinfo objects. + * + * nodename or service can be nil if no conversion intended. + * + * family, socktype and protocol are hint for prefered protocol. + * If the result will be used for a socket with SOCK_STREAM, + * SOCK_STREAM should be specified as socktype. + * If so, AddrInfo.getaddrinfo returns addrinfo list appropriate for SOCK_STREAM. + * If they are omitted or nil is given, the result is not restricted. + * + * Similary, PF_INET6 as family restricts for IPv6. + * + * flags should be bitwise OR of Socket::AI_??? constants. + * + * AddrInfo.getaddrinfo("www.kame.net", 80, nil, :STREAM) + * #=> [#<AddrInfo: 203.178.141.194:80 TCP (www.kame.net:80)>, + * # #<AddrInfo: [2001:200:0:8002:203:47ff:fea5:3085]:80 TCP (www.kame.net:80)>] + * + */ +static VALUE +addrinfo_s_getaddrinfo(int argc, VALUE *argv, VALUE self) +{ + VALUE node, service, family, socktype, protocol, flags; + + rb_scan_args(argc, argv, "24", &node, &service, &family, &socktype, &protocol, &flags); + return addrinfo_list_new(node, service, family, socktype, protocol, flags); +} + + +/* + * call-seq: + * AddrInfo.ip(host) => addrinfo + * + * returns an addrinfo object for IP address. + * + * AddrInfo.ip("localhost") #=> #<AddrInfo: 127.0.0.1 (localhost)> + */ +static VALUE +addrinfo_s_ip(VALUE self, VALUE host) +{ + VALUE ret; + rb_addrinfo_t *rai; + ret = addrinfo_firstonly_new(host, Qnil, + INT2NUM(PF_UNSPEC), INT2FIX(0), INT2FIX(0), INT2FIX(0)); + rai = get_addrinfo(ret); + rai->socktype = 0; + rai->protocol = 0; + return ret; +} + +/* + * call-seq: + * AddrInfo.tcp(host, port) => addrinfo + * + * returns an addrinfo object for TCP address. + * + * AddrInfo.tcp("localhost", "smtp") #=> #<AddrInfo: 127.0.0.1:25 TCP (localhost:smtp)> + */ +static VALUE +addrinfo_s_tcp(VALUE self, VALUE host, VALUE port) +{ + return addrinfo_firstonly_new(host, port, + INT2NUM(PF_UNSPEC), INT2NUM(SOCK_STREAM), INT2NUM(IPPROTO_TCP), INT2FIX(0)); +} + +/* + * call-seq: + * AddrInfo.udp(host, port) => addrinfo + * + * returns an addrinfo object for UDP address. + * + * AddrInfo.udp("localhost", "daytime") #=> #<AddrInfo: 127.0.0.1:13 UDP (localhost:daytime)> + */ +static VALUE +addrinfo_s_udp(VALUE self, VALUE host, VALUE port) +{ + return addrinfo_firstonly_new(host, port, + INT2NUM(PF_UNSPEC), INT2NUM(SOCK_DGRAM), INT2NUM(IPPROTO_UDP), INT2FIX(0)); +} + +#ifdef HAVE_SYS_UN_H + +/* + * call-seq: + * AddrInfo.udp(host, port) => addrinfo + * + * returns an addrinfo object for UNIX socket address. + * + * AddrInfo.unix("/tmp/sock") #=> #<AddrInfo: /tmp/sock SOCK_STREAM> + */ +static VALUE +addrinfo_s_unix(VALUE self, VALUE path) +{ + VALUE addr; + rb_addrinfo_t *rai; + + addr = addrinfo_s_allocate(rb_cAddrInfo); + DATA_PTR(addr) = rai = alloc_addrinfo(); + init_unix_addrinfo(rai, path); + OBJ_INFECT(addr, path); + return addr; +} + +#endif + +VALUE +sockaddr_string_value(volatile VALUE *v) +{ + VALUE val = *v; + if (TYPE(val) == RUBY_T_DATA && IS_ADDRINFO(val)) { + *v = addrinfo_to_sockaddr(val); + } + StringValue(*v); + return *v; +} + +char * +sockaddr_string_value_ptr(volatile VALUE *v) +{ + sockaddr_string_value(v); + return RSTRING_PTR(*v); +} + +VALUE +fd_socket_addrinfo(int fd, struct sockaddr *addr, socklen_t len) +{ + int family; + int socktype; + int ret; + socklen_t optlen = sizeof(socktype); + + /* assumes protocol family and address family are identical */ + family = get_afamily(addr, len); + + ret = getsockopt(fd, SOL_SOCKET, SO_TYPE, (void*)&socktype, &optlen); + if (ret == -1) { + rb_sys_fail("getsockopt(SO_TYPE)"); + } + + return addrinfo_new(addr, len, family, socktype, 0, Qnil, Qnil); +} + +VALUE +io_socket_addrinfo(VALUE io, struct sockaddr *addr, socklen_t len) +{ + rb_io_t *fptr; + + switch (TYPE(io)) { + case T_FIXNUM: + return fd_socket_addrinfo(FIX2INT(io), addr, len); + + case T_BIGNUM: + return fd_socket_addrinfo(NUM2INT(io), addr, len); + + case T_FILE: + GetOpenFile(io, fptr); + return fd_socket_addrinfo(fptr->fd, addr, len); + + default: + rb_raise(rb_eTypeError, "neither IO nor file descriptor"); + } +} + +/* + * AddrInfo class + */ +void +Init_addrinfo(void) +{ + rb_cAddrInfo = rb_define_class("AddrInfo", rb_cData); + rb_define_alloc_func(rb_cAddrInfo, addrinfo_s_allocate); + rb_define_method(rb_cAddrInfo, "initialize", addrinfo_initialize, -1); + rb_define_method(rb_cAddrInfo, "inspect", addrinfo_inspect, 0); + rb_define_singleton_method(rb_cAddrInfo, "getaddrinfo", addrinfo_s_getaddrinfo, -1); + rb_define_singleton_method(rb_cAddrInfo, "ip", addrinfo_s_ip, 1); + rb_define_singleton_method(rb_cAddrInfo, "tcp", addrinfo_s_tcp, 2); + rb_define_singleton_method(rb_cAddrInfo, "udp", addrinfo_s_udp, 2); +#ifdef HAVE_SYS_UN_H + rb_define_singleton_method(rb_cAddrInfo, "unix", addrinfo_s_unix, 1); +#endif + + rb_define_method(rb_cAddrInfo, "afamily", addrinfo_afamily, 0); + rb_define_method(rb_cAddrInfo, "pfamily", addrinfo_pfamily, 0); + rb_define_method(rb_cAddrInfo, "socktype", addrinfo_socktype, 0); + rb_define_method(rb_cAddrInfo, "protocol", addrinfo_protocol, 0); + rb_define_method(rb_cAddrInfo, "canonname", addrinfo_canonname, 0); + + rb_define_method(rb_cAddrInfo, "ip?", addrinfo_ip_p, 0); + rb_define_method(rb_cAddrInfo, "ip_unpack", addrinfo_ip_unpack, 0); + rb_define_method(rb_cAddrInfo, "ipv4?", addrinfo_ipv4_p, 0); + rb_define_method(rb_cAddrInfo, "ipv6?", addrinfo_ipv6_p, 0); + rb_define_method(rb_cAddrInfo, "unix?", addrinfo_unix_p, 0); +#ifdef HAVE_SYS_UN_H + rb_define_method(rb_cAddrInfo, "unix_path", addrinfo_unix_path, 0); +#endif + + rb_define_method(rb_cAddrInfo, "to_sockaddr", addrinfo_to_sockaddr, 0); + + rb_define_method(rb_cAddrInfo, "getnameinfo", addrinfo_getnameinfo, -1); +} diff --git a/ext/socket/rubysocket.h b/ext/socket/rubysocket.h new file mode 100644 index 0000000000..9f6116016b --- /dev/null +++ b/ext/socket/rubysocket.h @@ -0,0 +1,228 @@ +#ifndef RUBY_SOCKET_H +#define RUBY_SOCKET_H 1 + +#include "ruby/ruby.h" +#include "ruby/io.h" +#include "ruby/util.h" +#include <stdio.h> +#include <sys/types.h> + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#ifdef HAVE_SYS_UIO_H +#include <sys/uio.h> +#endif + +#ifdef HAVE_XTI_H +#include <xti.h> +#endif + +#ifndef _WIN32 +#if defined(__BEOS__) && !defined(__HAIKU__) && !defined(BONE) +# include <net/socket.h> +#else +# include <sys/socket.h> +#endif +#include <netinet/in.h> +#ifdef HAVE_NETINET_IN_SYSTM_H +# include <netinet/in_systm.h> +#endif +#ifdef HAVE_NETINET_TCP_H +# include <netinet/tcp.h> +#endif +#ifdef HAVE_NETINET_UDP_H +# include <netinet/udp.h> +#endif +#ifdef HAVE_ARPA_INET_H +# include <arpa/inet.h> +#endif +#include <netdb.h> +#endif +#include <errno.h> +#ifdef HAVE_SYS_UN_H +#include <sys/un.h> +#endif + +#if defined(HAVE_FCNTL) +#ifdef HAVE_SYS_SELECT_H +#include <sys/select.h> +#endif +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#endif +#ifndef EWOULDBLOCK +#define EWOULDBLOCK EAGAIN +#endif +#ifndef HAVE_GETADDRINFO +# include "addrinfo.h" +#endif +#include "sockport.h" + +#ifndef NI_MAXHOST +# define NI_MAXHOST 1025 +#endif +#ifndef NI_MAXSERV +# define NI_MAXSERV 32 +#endif + +#ifndef HAVE_SOCKADDR_STORAGE +/* + * RFC 2553: protocol-independent placeholder for socket addresses + */ +#define _SS_MAXSIZE 128 +#define _SS_ALIGNSIZE (sizeof(double)) +#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) * 2) +#define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) * 2 - \ + _SS_PAD1SIZE - _SS_ALIGNSIZE) + +struct sockaddr_storage { +#ifdef HAVE_SA_LEN + unsigned char ss_len; /* address length */ + unsigned char ss_family; /* address family */ +#else + unsigned short ss_family; +#endif + char __ss_pad1[_SS_PAD1SIZE]; + double __ss_align; /* force desired structure storage alignment */ + char __ss_pad2[_SS_PAD2SIZE]; +}; +#endif + +#if defined(_AIX) +#ifndef CMSG_SPACE +# define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len)) +#endif +#ifndef CMSG_LEN +# define CMSG_LEN(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) +#endif +#endif + +#ifdef __BEOS__ +#undef close +#define close closesocket +#endif + +#define INET_CLIENT 0 +#define INET_SERVER 1 +#define INET_SOCKS 2 + +extern int do_not_reverse_lookup; +#define FMODE_NOREVLOOKUP 0x100 + +extern VALUE rb_cBasicSocket; +extern VALUE rb_cIPSocket; +extern VALUE rb_cTCPSocket; +extern VALUE rb_cTCPServer; +extern VALUE rb_cUDPSocket; +#ifdef AF_UNIX +extern VALUE rb_cUNIXSocket; +extern VALUE rb_cUNIXServer; +#endif +extern VALUE rb_cSocket; +extern VALUE rb_cAddrInfo; + +extern VALUE rb_eSocket; + +#ifdef SOCKS +extern VALUE rb_cSOCKSSocket; +#ifdef SOCKS5 +#include <socks.h> +#else +void SOCKSinit(); +int Rconnect(); +#endif +#endif + + +#define BLOCKING_REGION(func, arg) (long)rb_thread_blocking_region((func), (arg), RUBY_UBF_IO, 0) + +#define SockAddrStringValue(v) sockaddr_string_value(&(v)) +#define SockAddrStringValuePtr(v) sockaddr_string_value_ptr(&(v)) +VALUE sockaddr_string_value(volatile VALUE *); +char *sockaddr_string_value_ptr(volatile VALUE *); + +NORETURN(void raise_socket_error(const char *, int)); + +int family_to_int(char *str, int len, int *valp); + +int family_arg(VALUE domain); +int socktype_arg(VALUE type); +int level_arg(VALUE level); +int optname_arg(int level, VALUE optname); +int shutdown_how_arg(VALUE how); + +ID intern_protocol_family(int val); +ID intern_socktype(int val); +ID intern_ipproto(int val); +ID intern_family(int val); + +int rb_getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res); +int rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, int flags); +struct addrinfo *sock_addrinfo(VALUE host, VALUE port, int socktype, int flags); +struct addrinfo* sock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack); +VALUE fd_socket_addrinfo(int fd, struct sockaddr *addr, socklen_t len); +VALUE io_socket_addrinfo(VALUE io, struct sockaddr *addr, socklen_t len); + +VALUE make_ipaddr(struct sockaddr *addr); +VALUE ipaddr(struct sockaddr *sockaddr, int norevlookup); +VALUE make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, size_t)); + +const char* unixpath(struct sockaddr_un *sockaddr, socklen_t len); +VALUE unixaddr(struct sockaddr_un *sockaddr, socklen_t len); + +int ruby_socket(int domain, int type, int proto); +VALUE init_sock(VALUE sock, int fd); +VALUE sock_s_socketpair(VALUE klass, VALUE domain, VALUE type, VALUE protocol); +VALUE init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, VALUE local_host, VALUE local_serv, int type); +VALUE init_unixsock(VALUE sock, VALUE path, int server); + +struct send_arg { + int fd, flags; + VALUE mesg; + struct sockaddr *to; + socklen_t tolen; +}; + +VALUE sendto_blocking(void *data); +VALUE send_blocking(void *data); +VALUE bsock_send(int argc, VALUE *argv, VALUE sock); + +enum sock_recv_type { + RECV_RECV, /* BasicSocket#recv(no from) */ + RECV_IP, /* IPSocket#recvfrom */ + RECV_UNIX, /* UNIXSocket#recvfrom */ + RECV_SOCKET /* Socket#recvfrom */ +}; + +VALUE s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from); +VALUE s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from); + +int ruby_connect(int fd, const struct sockaddr *sockaddr, int len, int socks); + +VALUE sock_listen(VALUE sock, VALUE log); + +VALUE s_accept(VALUE klass, int fd, struct sockaddr *sockaddr, socklen_t *len); +VALUE s_accept_nonblock(VALUE klass, rb_io_t *fptr, struct sockaddr *sockaddr, socklen_t *len); + +void Init_basicsocket(void); +void Init_ipsocket(void); +void Init_tcpsocket(void); +void Init_tcpserver(void); +void Init_sockssocket(void); +void Init_udpsocket(void); +void Init_unixsocket(void); +void Init_unixserver(void); +void Init_socket_constants(void); +void Init_addrinfo(void); +void Init_socket_init(void); + +#endif diff --git a/ext/socket/socket.c b/ext/socket/socket.c index 221a857d5c..def79ba535 100644 --- a/ext/socket/socket.c +++ b/ext/socket/socket.c @@ -2,4050 +2,13 @@ socket.c - - $Author$ created at: Thu Mar 31 12:21:29 JST 1994 Copyright (C) 1993-2007 Yukihiro Matsumoto ************************************************/ -#include "ruby/ruby.h" -#include "ruby/io.h" -#include "ruby/util.h" -#include <stdio.h> -#include <sys/types.h> - -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#ifdef HAVE_SYS_UIO_H -#include <sys/uio.h> -#endif - -#ifdef HAVE_XTI_H -#include <xti.h> -#endif - -#ifndef _WIN32 -#if defined(__BEOS__) && !defined(__HAIKU__) && !defined(BONE) -# include <net/socket.h> -#else -# include <sys/socket.h> -#endif -#include <netinet/in.h> -#ifdef HAVE_NETINET_IN_SYSTM_H -# include <netinet/in_systm.h> -#endif -#ifdef HAVE_NETINET_TCP_H -# include <netinet/tcp.h> -#endif -#ifdef HAVE_NETINET_UDP_H -# include <netinet/udp.h> -#endif -#ifdef HAVE_ARPA_INET_H -# include <arpa/inet.h> -#endif -#include <netdb.h> -#endif -#include <errno.h> -#ifdef HAVE_SYS_UN_H -#include <sys/un.h> -#endif - -#if defined(HAVE_FCNTL) -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_SYS_TIME_H -#include <sys/time.h> -#endif -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#endif -#endif -#ifndef EWOULDBLOCK -#define EWOULDBLOCK EAGAIN -#endif -#ifndef HAVE_GETADDRINFO -# include "addrinfo.h" -#endif -#include "sockport.h" - -static int do_not_reverse_lookup = 0; -#define FMODE_NOREVLOOKUP 0x100 - -VALUE rb_cBasicSocket; -VALUE rb_cIPSocket; -VALUE rb_cTCPSocket; -VALUE rb_cTCPServer; -VALUE rb_cUDPSocket; -#ifdef AF_UNIX -VALUE rb_cUNIXSocket; -VALUE rb_cUNIXServer; -#endif -VALUE rb_cSocket; -static VALUE rb_cAddrInfo; - -static VALUE rb_eSocket; - -#ifdef SOCKS -VALUE rb_cSOCKSSocket; -#ifdef SOCKS5 -#include <socks.h> -#else -void SOCKSinit(); -int Rconnect(); -#endif -#endif - -#define BLOCKING_REGION(func, arg) (long)rb_thread_blocking_region((func), (arg), RUBY_UBF_IO, 0) - -#define INET_CLIENT 0 -#define INET_SERVER 1 -#define INET_SOCKS 2 - -#ifndef HAVE_SOCKADDR_STORAGE -/* - * RFC 2553: protocol-independent placeholder for socket addresses - */ -#define _SS_MAXSIZE 128 -#define _SS_ALIGNSIZE (sizeof(double)) -#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) * 2) -#define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) * 2 - \ - _SS_PAD1SIZE - _SS_ALIGNSIZE) - -struct sockaddr_storage { -#ifdef HAVE_SA_LEN - unsigned char ss_len; /* address length */ - unsigned char ss_family; /* address family */ -#else - unsigned short ss_family; -#endif - char __ss_pad1[_SS_PAD1SIZE]; - double __ss_align; /* force desired structure storage alignment */ - char __ss_pad2[_SS_PAD2SIZE]; -}; -#endif - -static void sock_define_const(const char *name, int value, VALUE mConst); -static void sock_define_uconst(const char *name, unsigned int value, VALUE mConst); -#define sock_define_const(name, value) sock_define_const(name, value, mConst) -#define sock_define_uconst(name, value) sock_define_uconst(name, value, mConst) -#include "constants.h" -#undef sock_define_const -#undef sock_define_uconst - -NORETURN(static void raise_socket_error(const char *, int)); - -#if defined(INET6) && (defined(LOOKUP_ORDER_HACK_INET) || defined(LOOKUP_ORDER_HACK_INET6)) -#define LOOKUP_ORDERS (sizeof(lookup_order_table) / sizeof(lookup_order_table[0])) -static const int lookup_order_table[] = { -#if defined(LOOKUP_ORDER_HACK_INET) - PF_INET, PF_INET6, PF_UNSPEC, -#elif defined(LOOKUP_ORDER_HACK_INET6) - PF_INET6, PF_INET, PF_UNSPEC, -#else - /* should not happen */ -#endif -}; - -static int -ruby_getaddrinfo(const char *nodename, const char *servname, - const struct addrinfo *hints, struct addrinfo **res) -{ - struct addrinfo tmp_hints; - int i, af, error; - - if (hints->ai_family != PF_UNSPEC) { - return getaddrinfo(nodename, servname, hints, res); - } - - for (i = 0; i < LOOKUP_ORDERS; i++) { - af = lookup_order_table[i]; - MEMCPY(&tmp_hints, hints, struct addrinfo, 1); - tmp_hints.ai_family = af; - error = getaddrinfo(nodename, servname, &tmp_hints, res); - if (error) { - if (tmp_hints.ai_family == PF_UNSPEC) { - break; - } - } - else { - break; - } - } - - return error; -} -#define getaddrinfo(node,serv,hints,res) ruby_getaddrinfo((node),(serv),(hints),(res)) -#endif - -#if defined(_AIX) -static int -ruby_getaddrinfo__aix(const char *nodename, const char *servname, - struct addrinfo *hints, struct addrinfo **res) -{ - int error = getaddrinfo(nodename, servname, hints, res); - struct addrinfo *r; - if (error) - return error; - for (r = *res; r != NULL; r = r->ai_next) { - if (r->ai_addr->sa_family == 0) - r->ai_addr->sa_family = r->ai_family; - if (r->ai_addr->sa_len == 0) - r->ai_addr->sa_len = r->ai_addrlen; - } - return 0; -} -#undef getaddrinfo -#define getaddrinfo(node,serv,hints,res) ruby_getaddrinfo__aix((node),(serv),(hints),(res)) -static int -ruby_getnameinfo__aix(const struct sockaddr *sa, size_t salen, - char *host, size_t hostlen, - char *serv, size_t servlen, int flags) -{ - struct sockaddr_in6 *sa6; - u_int32_t *a6; - - if (sa->sa_family == AF_INET6) { - sa6 = (struct sockaddr_in6 *)sa; - a6 = sa6->sin6_addr.u6_addr.u6_addr32; - - if (a6[0] == 0 && a6[1] == 0 && a6[2] == 0 && a6[3] == 0) { - strncpy(host, "::", hostlen); - snprintf(serv, servlen, "%d", sa6->sin6_port); - return 0; - } - } - return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); -} -#undef getnameinfo -#define getnameinfo(sa, salen, host, hostlen, serv, servlen, flags) \ - ruby_getnameinfo__aix((sa), (salen), (host), (hostlen), (serv), (servlen), (flags)) - -#ifndef CMSG_SPACE -# define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len)) -#endif -#ifndef CMSG_LEN -# define CMSG_LEN(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) -#endif -#endif - -#ifdef __BEOS__ -#undef close -#define close closesocket -#endif - -#ifndef GETADDRINFO_EMU -struct getaddrinfo_arg -{ - const char *node; - const char *service; - const struct addrinfo *hints; - struct addrinfo **res; -}; - -static VALUE -nogvl_getaddrinfo(void *arg) -{ - struct getaddrinfo_arg *ptr = arg; - return getaddrinfo(ptr->node, ptr->service, - ptr->hints, ptr->res); -} -#endif - -static int -rb_getaddrinfo(const char *node, const char *service, - const struct addrinfo *hints, - struct addrinfo **res) -{ -#ifdef GETADDRINFO_EMU - return getaddrinfo(node, service, hints, res); -#else - struct getaddrinfo_arg arg; - int ret; - arg.node = node; - arg.service = service; - arg.hints = hints; - arg.res = res; - ret = BLOCKING_REGION(nogvl_getaddrinfo, &arg); - return ret; -#endif -} - -#ifndef GETADDRINFO_EMU -struct getnameinfo_arg -{ - const struct sockaddr *sa; - socklen_t salen; - char *host; - size_t hostlen; - char *serv; - size_t servlen; - int flags; -}; - -static VALUE -nogvl_getnameinfo(void *arg) -{ - struct getnameinfo_arg *ptr = arg; - return getnameinfo(ptr->sa, ptr->salen, - ptr->host, ptr->hostlen, - ptr->serv, ptr->servlen, - ptr->flags); -} -#endif - -static int -rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, - char *host, size_t hostlen, - char *serv, size_t servlen, int flags) -{ -#ifdef GETADDRINFO_EMU - return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); -#else - struct getnameinfo_arg arg; - int ret; - arg.sa = sa; - arg.salen = salen; - arg.host = host; - arg.hostlen = hostlen; - arg.serv = serv; - arg.servlen = servlen; - arg.flags = flags; - ret = BLOCKING_REGION(nogvl_getnameinfo, &arg); - return ret; -#endif -} - -static int -constant_arg(VALUE arg, int (*str_to_int)(char*, int, int*), const char *errmsg) -{ - VALUE tmp; - char *ptr; - int ret; - - if (SYMBOL_P(arg)) { - arg = rb_sym_to_s(arg); - goto str; - } - else if (!NIL_P(tmp = rb_check_string_type(arg))) { - arg = tmp; - str: - rb_check_safe_obj(arg); - ptr = RSTRING_PTR(arg); - if (str_to_int(ptr, RSTRING_LEN(arg), &ret) == -1) - rb_raise(rb_eSocket, "%s: %s", errmsg, ptr); - } - else { - ret = NUM2INT(arg); - } - return ret; -} - -static int -family_arg(VALUE domain) -{ - /* convert AF_INET, etc. */ - return constant_arg(domain, family_to_int, "unknown socket domain"); -} - -static int -socktype_arg(VALUE type) -{ - /* convert SOCK_STREAM, etc. */ - return constant_arg(type, socktype_to_int, "unknown socket type"); -} - -static int -level_arg(VALUE level) -{ - /* convert SOL_SOCKET, IPPROTO_TCP, etc. */ - return constant_arg(level, level_to_int, "unknown protocol level"); -} - -static int -optname_arg(int level, VALUE optname) -{ - switch (level) { - case SOL_SOCKET: - return constant_arg(optname, so_optname_to_int, "unknown socket level option name"); - case IPPROTO_IP: - return constant_arg(optname, ip_optname_to_int, "unknown IP level option name"); -#ifdef IPPROTO_IPV6 - case IPPROTO_IPV6: - return constant_arg(optname, ipv6_optname_to_int, "unknown IPv6 level option name"); -#endif - case IPPROTO_TCP: - return constant_arg(optname, tcp_optname_to_int, "unknown TCP level option name"); - case IPPROTO_UDP: - return constant_arg(optname, udp_optname_to_int, "unknown UDP level option name"); - default: - return NUM2INT(optname); - } -} - -static int -shutdown_how_arg(VALUE how) -{ - /* convert SHUT_RD, SHUT_WR, SHUT_RDWR. */ - return constant_arg(how, shutdown_how_to_int, "unknown shutdown argument"); -} - -typedef struct { - VALUE inspectname; - VALUE canonname; - int pfamily; - int socktype; - int protocol; - size_t sockaddr_len; - struct sockaddr_storage addr; -} rb_addrinfo_t; - -static void -addrinfo_mark(rb_addrinfo_t *rai) -{ - if (rai) { - rb_gc_mark(rai->inspectname); - rb_gc_mark(rai->canonname); - } -} - -static void -addrinfo_free(rb_addrinfo_t *rai) -{ - xfree(rai); -} - -static VALUE -addrinfo_s_allocate(VALUE klass) -{ - return Data_Wrap_Struct(klass, addrinfo_mark, addrinfo_free, 0); -} - -#define IS_ADDRINFO(obj) (RDATA(obj)->dmark == (RUBY_DATA_FUNC)addrinfo_mark) -static rb_addrinfo_t * -check_addrinfo(VALUE self) -{ - Check_Type(self, RUBY_T_DATA); - if (!IS_ADDRINFO(self)) { - rb_raise(rb_eTypeError, "wrong argument type %s (expected AddrInfo)", - rb_class2name(CLASS_OF(self))); - } - return DATA_PTR(self); -} - -static rb_addrinfo_t * -get_addrinfo(VALUE self) -{ - rb_addrinfo_t *rai = check_addrinfo(self); - - if (!rai) { - rb_raise(rb_eTypeError, "uninitialized socket address"); - } - return rai; -} - - -static rb_addrinfo_t * -alloc_addrinfo() -{ - rb_addrinfo_t *rai = ALLOC(rb_addrinfo_t); - memset(rai, 0, sizeof(rb_addrinfo_t)); - rai->inspectname = Qnil; - rai->canonname = Qnil; - return rai; -} - -static void -init_addrinfo(rb_addrinfo_t *rai, struct sockaddr *sa, size_t len, - int pfamily, int socktype, int protocol, - VALUE canonname, VALUE inspectname) -{ - if (sizeof(rai->addr) < len) - rb_raise(rb_eArgError, "sockaddr string too big"); - memcpy((void *)&rai->addr, (void *)sa, len); - rai->sockaddr_len = len; - - rai->pfamily = pfamily; - rai->socktype = socktype; - rai->protocol = protocol; - rai->canonname = canonname; - rai->inspectname = inspectname; -} - -static VALUE -addrinfo_new(struct sockaddr *addr, socklen_t len, - int family, int socktype, int protocol, - VALUE canonname, VALUE inspectname) -{ - VALUE a; - rb_addrinfo_t *rai; - - a = addrinfo_s_allocate(rb_cAddrInfo); - DATA_PTR(a) = rai = alloc_addrinfo(); - init_addrinfo(rai, addr, len, family, socktype, protocol, canonname, inspectname); - return a; -} - -static struct addrinfo* sock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack); - -static struct addrinfo * -call_getaddrinfo(VALUE node, VALUE service, - VALUE family, VALUE socktype, VALUE protocol, VALUE flags, - int socktype_hack) -{ - struct addrinfo hints, *res; - - MEMZERO(&hints, struct addrinfo, 1); - hints.ai_family = NIL_P(family) ? PF_UNSPEC : family_arg(family); - - if (!NIL_P(socktype)) { - hints.ai_socktype = socktype_arg(socktype); - } - if (!NIL_P(protocol)) { - hints.ai_protocol = NUM2INT(protocol); - } - if (!NIL_P(flags)) { - hints.ai_flags = NUM2INT(flags); - } - res = sock_getaddrinfo(node, service, &hints, socktype_hack); - - if (res == NULL) - rb_raise(rb_eSocket, "host not found"); - return res; -} - -static void -init_addrinfo_getaddrinfo(rb_addrinfo_t *rai, VALUE node, VALUE service, - VALUE family, VALUE socktype, VALUE protocol, VALUE flags, - VALUE inspectname) -{ - struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 1); - VALUE canonname; - - canonname = Qnil; - if (res->ai_canonname) { - canonname = rb_tainted_str_new_cstr(res->ai_canonname); - OBJ_FREEZE(canonname); - } - - init_addrinfo(rai, res->ai_addr, res->ai_addrlen, - NUM2INT(family), NUM2INT(socktype), NUM2INT(protocol), - canonname, inspectname); - - freeaddrinfo(res); -} - -static VALUE -make_inspectname(VALUE node, VALUE service) -{ - VALUE inspectname = Qnil; - if (TYPE(node) == T_STRING) { - inspectname = rb_str_dup(node); - } - if (TYPE(service) == T_STRING) { - if (NIL_P(inspectname)) - inspectname = rb_sprintf(":%s", StringValueCStr(service)); - else - rb_str_catf(inspectname, ":%s", StringValueCStr(service)); - } - else if (TYPE(service) == T_FIXNUM && FIX2INT(service) != 0) - { - if (NIL_P(inspectname)) - inspectname = rb_sprintf(":%d", FIX2INT(service)); - else - rb_str_catf(inspectname, ":%d", FIX2INT(service)); - } - if (!NIL_P(inspectname)) { - OBJ_INFECT(inspectname, node); - OBJ_INFECT(inspectname, service); - OBJ_FREEZE(inspectname); - } - return inspectname; -} - -static VALUE -addrinfo_firstonly_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags) -{ - VALUE ret; - VALUE canonname; - VALUE inspectname; - - struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0); - - inspectname = make_inspectname(node, service); - - canonname = Qnil; - if (res->ai_canonname) { - canonname = rb_tainted_str_new_cstr(res->ai_canonname); - OBJ_FREEZE(canonname); - } - - ret = addrinfo_new(res->ai_addr, res->ai_addrlen, - res->ai_family, res->ai_socktype, res->ai_protocol, - canonname, inspectname); - - freeaddrinfo(res); - return ret; -} - -static VALUE -addrinfo_list_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags) -{ - VALUE ret; - struct addrinfo *r; - VALUE inspectname; - - struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0); - - inspectname = make_inspectname(node, service); - - ret = rb_ary_new(); - for (r = res; r; r = r->ai_next) { - VALUE addr; - VALUE canonname = Qnil; - - if (r->ai_canonname) { - canonname = rb_tainted_str_new_cstr(r->ai_canonname); - OBJ_FREEZE(canonname); - } - - addr = addrinfo_new(r->ai_addr, r->ai_addrlen, - r->ai_family, r->ai_socktype, r->ai_protocol, - canonname, inspectname); - - rb_ary_push(ret, addr); - } - - freeaddrinfo(res); - return ret; -} - - -#ifdef HAVE_SYS_UN_H -static void -init_unix_addrinfo(rb_addrinfo_t *rai, VALUE path) -{ - struct sockaddr_un un; - - StringValue(path); - - if (sizeof(un.sun_path) <= RSTRING_LEN(path)) - rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)", - (int)sizeof(un.sun_path)-1); - - MEMZERO(&un, struct sockaddr_un, 1); - - un.sun_family = AF_UNIX; - memcpy((void*)&un.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); - - init_addrinfo(rai, (struct sockaddr *)&un, sizeof(un), AF_UNIX, SOCK_STREAM, 0, Qnil, Qnil); -} -#endif - -/* - * call-seq: - * AddrInfo.new(sockaddr) => addrinfo - * AddrInfo.new(sockaddr, family) => addrinfo - * AddrInfo.new(sockaddr, family, socktype) => addrinfo - * AddrInfo.new(sockaddr, family, socktype, protocol) => addrinfo - * - * returns a new instance of AddrInfo. - * It the instnace contains sockaddr, family, socktype, protocol. - * sockaddr means struct sockaddr which can be used for connect(2), etc. - * family, socktype and protocol are integers which is used for arguments of socket(2). - * - * sockaddr is specified as an array or a string. - * The array should be compatible to the value of IPSocket#addr or UNIXSocket#addr. - * The string should be struct sockaddr as generated by - * Socket.sockaddr_in or Socket.unpack_sockaddr_un. - * - * sockaddr examples: - * - ["AF_INET", 46102, "localhost.localdomain", "127.0.0.1"] - * - ["AF_INET6", 42304, "ip6-localhost", "::1"] - * - ["AF_UNIX", "/tmp/sock"] - * - Socket.sockaddr_in("smtp", "2001:DB8::1") - * - Socket.sockaddr_in(80, "172.18.22.42") - * - Socket.sockaddr_in(80, "www.ruby-lang.org") - * - Socket.sockaddr_un("/tmp/sock") - * - * In an AF_INET/AF_INET6 sockaddr array, the 4th element, - * numeric IP address, is used to construct socket address in the AddrInfo instance. - * The 3rd element, textual host name, is also recorded but only used for AddrInfo#inspect. - * - * family is specified as an integer to specify the protocol family such as Socket::PF_INET. - * It can be a symbol or a string which is the constant name - * with or without PF_ prefix such as :INET, :INET6, :UNIX, "PF_INET", etc. - * If ommitted, PF_UNSPEC is assumed. - * - * socktype is specified as an integer to specify the socket type such as Socket::SOCK_STREAM. - * It can be a symbol or a string which is the constant name - * with or without SOCK_ prefix such as :STREAM, :DGRAM, :RAW, "SOCK_STREAM", etc. - * If ommitted, 0 is assumed. - * - * protocol is specified as an integer to specify the protocol such as Socket::IPPROTO_TCP. - * It must be an integer, unlike family and socktype. - * If ommitted, 0 is assumed. - * Note that 0 is reasonable value for most protocols, except raw socket. - * - */ -static VALUE -addrinfo_initialize(int argc, VALUE *argv, VALUE self) -{ - rb_addrinfo_t *rai; - VALUE sockaddr_arg, sockaddr_ary, pfamily, socktype, protocol; - int i_pfamily, i_socktype, i_protocol; - struct sockaddr *sockaddr_ptr; - size_t sockaddr_len; - VALUE canonname = Qnil, inspectname = Qnil; - - if (check_addrinfo(self)) - rb_raise(rb_eTypeError, "already initialized socket address"); - DATA_PTR(self) = rai = alloc_addrinfo(); - - rb_scan_args(argc, argv, "13", &sockaddr_arg, &pfamily, &socktype, &protocol); - - i_pfamily = NIL_P(pfamily) ? PF_UNSPEC : family_arg(pfamily); - i_socktype = NIL_P(socktype) ? 0 : socktype_arg(socktype); - i_protocol = NIL_P(protocol) ? 0 : NUM2INT(protocol); - - sockaddr_ary = rb_check_array_type(sockaddr_arg); - if (!NIL_P(sockaddr_ary)) { - VALUE afamily = rb_ary_entry(sockaddr_ary, 0); - int af; - StringValue(afamily); - if (family_to_int(RSTRING_PTR(afamily), RSTRING_LEN(afamily), &af) == -1) - rb_raise(rb_eSocket, "unknown address family: %s", StringValueCStr(afamily)); - switch (af) { - case AF_INET: /* ["AF_INET", 46102, "localhost.localdomain", "127.0.0.1"] */ -#ifdef INET6 - case AF_INET6: /* ["AF_INET6", 42304, "ip6-localhost", "::1"] */ -#endif - { - VALUE service = rb_ary_entry(sockaddr_ary, 1); - VALUE nodename = rb_ary_entry(sockaddr_ary, 2); - VALUE numericnode = rb_ary_entry(sockaddr_ary, 3); - int flags; - - service = INT2NUM(NUM2INT(service)); - if (!NIL_P(nodename)) - StringValue(nodename); - StringValue(numericnode); - flags = AI_NUMERICHOST; -#ifdef AI_NUMERICSERV - flags |= AI_NUMERICSERV; -#endif - - init_addrinfo_getaddrinfo(rai, numericnode, service, - INT2NUM(i_pfamily ? i_pfamily : af), INT2NUM(i_socktype), INT2NUM(i_protocol), - INT2NUM(flags), - rb_str_equal(numericnode, nodename) ? Qnil : make_inspectname(nodename, service)); - break; - } - -#ifdef HAVE_SYS_UN_H - case AF_UNIX: /* ["AF_UNIX", "/tmp/sock"] */ - { - VALUE path = rb_ary_entry(sockaddr_ary, 1); - StringValue(path); - init_unix_addrinfo(rai, path); - break; - } -#endif - - default: - rb_raise(rb_eSocket, "unexpected address family"); - } - } - else { - StringValue(sockaddr_arg); - sockaddr_ptr = (struct sockaddr *)RSTRING_PTR(sockaddr_arg); - sockaddr_len = RSTRING_LEN(sockaddr_arg); - init_addrinfo(rai, sockaddr_ptr, sockaddr_len, - i_pfamily, i_socktype, i_protocol, - canonname, inspectname); - } - - return self; -} - -static int -get_afamily(struct sockaddr *addr, socklen_t len) -{ - if ((char*)&addr->sa_family + sizeof(addr->sa_family) - (char*)addr <= len) - return addr->sa_family; - else - return AF_UNSPEC; -} - -static int -ai_get_afamily(rb_addrinfo_t *rai) -{ - return get_afamily((struct sockaddr *)&rai->addr, rai->sockaddr_len); -} - -/* - * call-seq: - * addrinfo.inspect => string - * - * returns a string which shows addrinfo in human-readable form. - * - * AddrInfo.tcp("localhost", 80).inspect #=> "#<AddrInfo: 127.0.0.1:80 TCP (localhost:80)>" - * AddrInfo.unix("/tmp/sock").inspect #=> "#<AddrInfo: /tmp/sock SOCK_STREAM>" - * - */ -static VALUE -addrinfo_inspect(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - int internet_p; - VALUE ret; - - ret = rb_sprintf("#<%s: ", rb_obj_classname(self)); - - if (rai->sockaddr_len == 0) { - rb_str_cat2(ret, "empty-sockaddr"); - } - else if (rai->sockaddr_len < ((char*)&rai->addr.ss_family + sizeof(rai->addr.ss_family)) - (char*)&rai->addr) - rb_str_cat2(ret, "too-short-sockaddr"); - else { - switch (rai->addr.ss_family) { - case AF_INET: - { - struct sockaddr_in *addr; - int port; - if (rai->sockaddr_len < sizeof(struct sockaddr_in)) { - rb_str_cat2(ret, "too-short-AF_INET-sockaddr"); - } - else { - addr = (struct sockaddr_in *)&rai->addr; - rb_str_catf(ret, "%d.%d.%d.%d", - ((unsigned char*)&addr->sin_addr)[0], - ((unsigned char*)&addr->sin_addr)[1], - ((unsigned char*)&addr->sin_addr)[2], - ((unsigned char*)&addr->sin_addr)[3]); - port = ntohs(addr->sin_port); - if (port) - rb_str_catf(ret, ":%d", port); - if (sizeof(struct sockaddr_in) < rai->sockaddr_len) - rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(rai->sockaddr_len - sizeof(struct sockaddr_in))); - } - break; - } - -#ifdef INET6 - case AF_INET6: - { - struct sockaddr_in6 *addr; - char hbuf[1024]; - int port; - int error; - if (rai->sockaddr_len < sizeof(struct sockaddr_in6)) { - rb_str_cat2(ret, "too-short-AF_INET6-sockaddr"); - } - else { - addr = (struct sockaddr_in6 *)&rai->addr; - /* use getnameinfo for scope_id. - * RFC 4007: IPv6 Scoped Address Architecture - * draft-ietf-ipv6-scope-api-00.txt: Scoped Address Extensions to the IPv6 Basic Socket API - */ - error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, - hbuf, sizeof(hbuf), NULL, 0, - NI_NUMERICHOST|NI_NUMERICSERV); - if (error) { - raise_socket_error("getnameinfo", error); - } - if (addr->sin6_port == 0) { - rb_str_cat2(ret, hbuf); - } - else { - port = ntohs(addr->sin6_port); - rb_str_catf(ret, "[%s]:%d", hbuf, port); - } - if (sizeof(struct sockaddr_in6) < rai->sockaddr_len) - rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(rai->sockaddr_len - sizeof(struct sockaddr_in6))); - } - break; - } -#endif - -#ifdef HAVE_SYS_UN_H - case AF_UNIX: - { - struct sockaddr_un *addr = (struct sockaddr_un *)&rai->addr; - char *p, *s, *t, *e; - s = addr->sun_path; - e = (char*)addr + rai->sockaddr_len; - if (e < s) - rb_str_cat2(ret, "too-short-AF_UNIX-sockaddr"); - else if (s == e) - rb_str_cat2(ret, "empty-path-AF_UNIX-sockaddr"); - else { - int printable_only = 1; - p = s; - while (p < e && *p != '\0') { - printable_only = printable_only && ISPRINT(*p) && !ISSPACE(*p); - p++; - } - t = p; - while (p < e && *p == '\0') - p++; - if (printable_only && /* only printable, no space */ - t < e && /* NUL terminated */ - p == e) { /* no data after NUL */ - if (s == t) - rb_str_cat2(ret, "empty-path-AF_UNIX-sockaddr"); - else if (s[0] == '/') /* absolute path */ - rb_str_cat2(ret, s); - else - rb_str_catf(ret, "AF_UNIX %s", s); - } - else { - rb_str_cat2(ret, "AF_UNIX"); - e = (char *)addr->sun_path + sizeof(addr->sun_path); - while (s < e && *(e-1) == '\0') - e--; - while (s < e) - rb_str_catf(ret, ":%02x", (unsigned char)*s++); - } - if (addr->sun_path + sizeof(addr->sun_path) < (char*)&rai->addr + rai->sockaddr_len) - rb_str_catf(ret, "(sockaddr %d bytes too long)", - (int)(rai->sockaddr_len - (addr->sun_path + sizeof(addr->sun_path) - (char*)&rai->addr))); - } - break; - } -#endif - - default: - { - ID id = intern_family(rai->addr.ss_family); - if (id == 0) - rb_str_catf(ret, "unknown address family %d", rai->addr.ss_family); - else - rb_str_catf(ret, "%s address format unknown", rb_id2name(id)); - break; - } - } - } - - if (rai->pfamily && ai_get_afamily(rai) != rai->pfamily) { - ID id = intern_protocol_family(rai->pfamily); - if (id) - rb_str_catf(ret, " %s", rb_id2name(id)); - else - rb_str_catf(ret, " PF_\?\?\?(%d)", rai->pfamily); - } - - internet_p = rai->pfamily == PF_INET; -#ifdef INET6 - internet_p = internet_p || rai->pfamily == PF_INET6; -#endif - if (internet_p && rai->socktype == SOCK_STREAM && - (rai->protocol == 0 || rai->protocol == IPPROTO_TCP)) { - rb_str_cat2(ret, " TCP"); - } - else if (internet_p && rai->socktype == SOCK_DGRAM && - (rai->protocol == 0 || rai->protocol == IPPROTO_UDP)) { - rb_str_cat2(ret, " UDP"); - } - else { - if (rai->socktype) { - ID id = intern_socktype(rai->socktype); - if (id) - rb_str_catf(ret, " %s", rb_id2name(id)); - else - rb_str_catf(ret, " SOCK_\?\?\?(%d)", rai->socktype); - } - - if (rai->protocol) { - if (internet_p) { - ID id = intern_ipproto(rai->protocol); - if (id) - rb_str_catf(ret, " %s", rb_id2name(id)); - else - goto unknown_protocol; - } - else { - unknown_protocol: - rb_str_catf(ret, " UNKNOWN_PROTOCOL(%d)", rai->protocol); - } - } - } - - if (!NIL_P(rai->canonname)) { - VALUE name = rai->canonname; - rb_str_catf(ret, " %s", StringValueCStr(name)); - } - - if (!NIL_P(rai->inspectname)) { - VALUE name = rai->inspectname; - rb_str_catf(ret, " (%s)", StringValueCStr(name)); - } - - rb_str_buf_cat2(ret, ">"); - return ret; -} - -/* - * call-seq: - * addrinfo.afamily => integer - * - * returns the address family as an integer. - * - * AddrInfo.tcp("localhost", 80).afamily == Socket::AF_INET #=> true - * - */ -static VALUE -addrinfo_afamily(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - return INT2NUM(ai_get_afamily(rai)); -} - -/* - * call-seq: - * addrinfo.pfamily => integer - * - * returns the protocol family as an integer. - * - * AddrInfo.tcp("localhost", 80).pfamily == Socket::PF_INET #=> true - * - */ -static VALUE -addrinfo_pfamily(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - return INT2NUM(rai->pfamily); -} - -/* - * call-seq: - * addrinfo.socktype => integer - * - * returns the socket type as an integer. - * - * AddrInfo.tcp("localhost", 80).socktype == Socket::SOCK_STREAM #=> true - * - */ -static VALUE -addrinfo_socktype(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - return INT2NUM(rai->socktype); -} - -/* - * call-seq: - * addrinfo.protocol => integer - * - * returns the socket type as an integer. - * - * AddrInfo.tcp("localhost", 80).protocol == Socket::IPPROTO_TCP #=> true - * - */ -static VALUE -addrinfo_protocol(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - return INT2NUM(rai->protocol); -} - -/* - * call-seq: - * addrinfo.to_sockaddr => string - * - * returns the socket address as packed struct sockaddr string. - * - * AddrInfo.tcp("localhost", 80).to_sockaddr - * #=> "\x02\x00\x00P\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" - * - */ -static VALUE -addrinfo_to_sockaddr(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - VALUE ret; - ret = rb_str_new((char*)&rai->addr, rai->sockaddr_len); - OBJ_INFECT(ret, self); - return ret; -} - -/* - * call-seq: - * addrinfo.canonname => string or nil - * - * returns the canonical name as an string. - * - * nil is returned if no canonical name. - * - * The canonical name is set by AddrInfo.getaddrinfo when AI_CANONNAME is specified. - * - * list = AddrInfo.getaddrinfo("www.ruby-lang.org", 80, :INET, :STREAM, nil, Socket::AI_CANONNAME) - * p list[0] #=> #<AddrInfo: 221.186.184.68:80 TCP carbon.ruby-lang.org (www.ruby-lang.org:80)> - * p list[0].canonname #=> "carbon.ruby-lang.org" - * - */ -static VALUE -addrinfo_canonname(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - return rai->canonname; -} - -#ifdef AF_INET6 -# define IS_IP_FAMILY(af) ((af) == AF_INET || (af) == AF_INET6) -#else -# define IS_IP_FAMILY(af) ((af) == AF_INET) -#endif - -/* - * call-seq: - * addrinfo.ip? => true or false - * - * returns true if addrinfo is internet (IPv4/IPv6) address. - * returns false otherwise. - * - * AddrInfo.tcp("127.0.0.1", 80).ip? #=> true - * AddrInfo.tcp("::1", 80).ip? #=> true - * AddrInfo.unix("/tmp/sock").ip? #=> false - * - */ -static VALUE -addrinfo_ip_p(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - int family = ai_get_afamily(rai); - return IS_IP_FAMILY(family) ? Qtrue : Qfalse; -} - -/* - * call-seq: - * addrinfo.ipv4? => true or false - * - * returns true if addrinfo is IPv4 address. - * returns false otherwise. - * - * AddrInfo.tcp("127.0.0.1", 80).ipv4? #=> true - * AddrInfo.tcp("::1", 80).ipv4? #=> false - * AddrInfo.unix("/tmp/sock").ipv4? #=> false - * - */ -static VALUE -addrinfo_ipv4_p(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - return ai_get_afamily(rai) == AF_INET ? Qtrue : Qfalse; -} - -/* - * call-seq: - * addrinfo.ipv6? => true or false - * - * returns true if addrinfo is IPv6 address. - * returns false otherwise. - * - * AddrInfo.tcp("127.0.0.1", 80).ipv6? #=> false - * AddrInfo.tcp("::1", 80).ipv6? #=> true - * AddrInfo.unix("/tmp/sock").ipv6? #=> false - * - */ -static VALUE -addrinfo_ipv6_p(VALUE self) -{ -#ifdef AF_INET6 - rb_addrinfo_t *rai = get_addrinfo(self); - return ai_get_afamily(rai) == AF_INET6 ? Qtrue : Qfalse; -#else - return Qfalse; -#endif -} - -/* - * call-seq: - * addrinfo.unix? => true or false - * - * returns true if addrinfo is UNIX address. - * returns false otherwise. - * - * AddrInfo.tcp("127.0.0.1", 80).unix? #=> false - * AddrInfo.tcp("::1", 80).unix? #=> false - * AddrInfo.unix("/tmp/sock").unix? #=> true - * - */ -static VALUE -addrinfo_unix_p(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); -#ifdef AF_UNIX - return ai_get_afamily(rai) == AF_UNIX ? Qtrue : Qfalse; -#else - return Qfalse; -#endif -} - -/* - * call-seq: - * addrinfo.getnameinfo => [nodename, service] - * addrinfo.getnameinfo(flags) => [nodename, service] - * - * returns nodename and service as a pair of strings. - * This converts struct sockaddr in addrinfo to textual representation. - * - * flags should be bitwise OR of Socket::NI_??? constants. - * - * AddrInfo.tcp("127.0.0.1", 80).getnameinfo #=> ["localhost", "www"] - * - * AddrInfo.tcp("127.0.0.1", 80).getnameinfo(Socket::NI_NUMERICSERV) - * #=> ["localhost", "80"] - */ -static VALUE -addrinfo_getnameinfo(int argc, VALUE *argv, VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - VALUE vflags; - char hbuf[1024], pbuf[1024]; - int flags, error; - - rb_scan_args(argc, argv, "01", &vflags); - - flags = NIL_P(vflags) ? 0 : NUM2INT(vflags); - - if (rai->socktype == SOCK_DGRAM) - flags |= NI_DGRAM; - - error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, - hbuf, sizeof(hbuf), pbuf, sizeof(pbuf), - flags); - if (error) { - raise_socket_error("getnameinfo", error); - } - - return rb_assoc_new(rb_str_new2(hbuf), rb_str_new2(pbuf)); -} - -/* - * call-seq: - * addrinfo.ip_unpack => [addr, port] - * - * Returns the IP address and port number as 2-element array. - * - * AddrInfo.tcp("127.0.0.1", 80).ip_unpack #=> ["127.0.0.1", 80] - * AddrInfo.tcp("::1", 80).ip_unpack #=> ["::1", 80] - */ -static VALUE -addrinfo_ip_unpack(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - int family = ai_get_afamily(rai); - VALUE vflags; - VALUE ret, portstr; - - if (!IS_IP_FAMILY(family)) - rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); - - vflags = INT2NUM(NI_NUMERICHOST|NI_NUMERICSERV); - ret = addrinfo_getnameinfo(1, &vflags, self); - portstr = rb_ary_entry(ret, 1); - rb_ary_store(ret, 1, INT2NUM(atoi(StringValueCStr(portstr)))); - return ret; -} - -#ifdef HAVE_SYS_UN_H -/* - * call-seq: - * addrinfo.unix_path => path - * - * Returns the socket path as a string. - * - * AddrInfo.unix("/tmp/sock").unix_path #=> "/tmp/sock" - */ -static VALUE -addrinfo_unix_path(VALUE self) -{ - rb_addrinfo_t *rai = get_addrinfo(self); - int family = ai_get_afamily(rai); - struct sockaddr_un *addr; - char *s, *e; - - if (family != AF_UNIX) - rb_raise(rb_eSocket, "need AF_UNIX address"); - - addr = (struct sockaddr_un *)&rai->addr; - - s = addr->sun_path; - e = (char*)addr + rai->sockaddr_len; - if (e < s) - rb_raise(rb_eSocket, "too short AF_UNIX address"); - if (addr->sun_path + sizeof(addr->sun_path) < e) - rb_raise(rb_eSocket, "too long AF_UNIX address"); - while (s < e && *(e-1) == '\0') - e--; - return rb_str_new(s, e-s); -} -#endif - -/* - * call-seq: - * AddrInfo.getaddrinfo(nodename, service, family, socktype, protocol, flags) => [addrinfo, ...] - * AddrInfo.getaddrinfo(nodename, service, family, socktype, protocol) => [addrinfo, ...] - * AddrInfo.getaddrinfo(nodename, service, family, socktype) => [addrinfo, ...] - * AddrInfo.getaddrinfo(nodename, service, family) => [addrinfo, ...] - * AddrInfo.getaddrinfo(nodename, service) => [addrinfo, ...] - * - * returns a list of addrinfo objects as an array. - * - * This method converts nodename (hostname) and service (port) to addrinfo. - * Since the conversion is not unique, the result is a list of addrinfo objects. - * - * nodename or service can be nil if no conversion intended. - * - * family, socktype and protocol are hint for prefered protocol. - * If the result will be used for a socket with SOCK_STREAM, - * SOCK_STREAM should be specified as socktype. - * If so, AddrInfo.getaddrinfo returns addrinfo list appropriate for SOCK_STREAM. - * If they are omitted or nil is given, the result is not restricted. - * - * Similary, PF_INET6 as family restricts for IPv6. - * - * flags should be bitwise OR of Socket::AI_??? constants. - * - * AddrInfo.getaddrinfo("www.kame.net", 80, nil, :STREAM) - * #=> [#<AddrInfo: 203.178.141.194:80 TCP (www.kame.net:80)>, - * # #<AddrInfo: [2001:200:0:8002:203:47ff:fea5:3085]:80 TCP (www.kame.net:80)>] - * - */ -static VALUE -addrinfo_s_getaddrinfo(int argc, VALUE *argv, VALUE self) -{ - VALUE node, service, family, socktype, protocol, flags; - - rb_scan_args(argc, argv, "24", &node, &service, &family, &socktype, &protocol, &flags); - return addrinfo_list_new(node, service, family, socktype, protocol, flags); -} - - -/* - * call-seq: - * AddrInfo.ip(host) => addrinfo - * - * returns an addrinfo object for IP address. - * - * AddrInfo.ip("localhost") #=> #<AddrInfo: 127.0.0.1 (localhost)> - */ -static VALUE -addrinfo_s_ip(VALUE self, VALUE host) -{ - VALUE ret; - rb_addrinfo_t *rai; - ret = addrinfo_firstonly_new(host, Qnil, - INT2NUM(PF_UNSPEC), INT2FIX(0), INT2FIX(0), INT2FIX(0)); - rai = get_addrinfo(ret); - rai->socktype = 0; - rai->protocol = 0; - return ret; -} - -/* - * call-seq: - * AddrInfo.tcp(host, port) => addrinfo - * - * returns an addrinfo object for TCP address. - * - * AddrInfo.tcp("localhost", "smtp") #=> #<AddrInfo: 127.0.0.1:25 TCP (localhost:smtp)> - */ -static VALUE -addrinfo_s_tcp(VALUE self, VALUE host, VALUE port) -{ - return addrinfo_firstonly_new(host, port, - INT2NUM(PF_UNSPEC), INT2NUM(SOCK_STREAM), INT2NUM(IPPROTO_TCP), INT2FIX(0)); -} - -/* - * call-seq: - * AddrInfo.udp(host, port) => addrinfo - * - * returns an addrinfo object for UDP address. - * - * AddrInfo.udp("localhost", "daytime") #=> #<AddrInfo: 127.0.0.1:13 UDP (localhost:daytime)> - */ -static VALUE -addrinfo_s_udp(VALUE self, VALUE host, VALUE port) -{ - return addrinfo_firstonly_new(host, port, - INT2NUM(PF_UNSPEC), INT2NUM(SOCK_DGRAM), INT2NUM(IPPROTO_UDP), INT2FIX(0)); -} - -#ifdef HAVE_SYS_UN_H - -/* - * call-seq: - * AddrInfo.udp(host, port) => addrinfo - * - * returns an addrinfo object for UNIX socket address. - * - * AddrInfo.unix("/tmp/sock") #=> #<AddrInfo: /tmp/sock SOCK_STREAM> - */ -static VALUE -addrinfo_s_unix(VALUE self, VALUE path) -{ - VALUE addr; - rb_addrinfo_t *rai; - - addr = addrinfo_s_allocate(rb_cAddrInfo); - DATA_PTR(addr) = rai = alloc_addrinfo(); - init_unix_addrinfo(rai, path); - OBJ_INFECT(addr, path); - return addr; -} - -#endif - -static VALUE -sockaddr_string_value(volatile VALUE *v) -{ - VALUE val = *v; - if (TYPE(val) == RUBY_T_DATA && IS_ADDRINFO(val)) { - *v = addrinfo_to_sockaddr(val); - } - StringValue(*v); - return *v; -} - -static char * -sockaddr_string_value_ptr(volatile VALUE *v) -{ - sockaddr_string_value(v); - return RSTRING_PTR(*v); -} - - -static VALUE -init_sock(VALUE sock, int fd) -{ - rb_io_t *fp; - - MakeOpenFile(sock, fp); - fp->fd = fd; - fp->mode = FMODE_READWRITE|FMODE_DUPLEX; - rb_io_ascii8bit_binmode(sock); - if (do_not_reverse_lookup) { - fp->mode |= FMODE_NOREVLOOKUP; - } - rb_io_synchronized(fp); - - return sock; -} - -/* - * call-seq: - * BasicSocket.for_fd(fd) => basicsocket - * - * Returns a socket object which contains the file descriptor, _fd_. - * - * # If invoked by inetd, STDIN/STDOUT/STDERR is a socket. - * STDIN_SOCK = Socket.for_fd(STDIN.fileno) - * p STDIN_SOCK.remote_address - * - */ -static VALUE -bsock_s_for_fd(VALUE klass, VALUE fd) -{ - rb_io_t *fptr; - VALUE sock = init_sock(rb_obj_alloc(klass), NUM2INT(fd)); - - GetOpenFile(sock, fptr); - - return sock; -} - -/* - * call-seq: - * basicsocket.shutdown([how]) => 0 - * - * Calls shutdown(2) system call. - * - * s.shutdown(Socket::SHUT_RD) disallows further read. - * - * s.shutdown(Socket::SHUT_WR) disallows further write. - * - * s.shutdown(Socket::SHUT_RDWR) disallows further read and write. - * - * _how_ can be symbol or string: - * - :RD, :SHUT_RD, "RD" and "SHUT_RD" are accepted as Socket::SHUT_RD. - * - :WR, :SHUT_WR, "WR" and "SHUT_WR" are accepted as Socket::SHUT_WR. - * - :RDWR, :SHUT_RDWR, "RDWR" and "SHUT_RDWR" are accepted as Socket::SHUT_RDWR. - * - * UNIXSocket.pair {|s1, s2| - * s1.puts "ping" - * s1.shutdown(:WR) - * p s2.read #=> "ping\n" - * s2.puts "pong" - * s2.close - * p s1.read #=> "pong\n" - * } - * - */ -static VALUE -bsock_shutdown(int argc, VALUE *argv, VALUE sock) -{ - VALUE howto; - int how; - rb_io_t *fptr; - - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't shutdown socket"); - } - rb_scan_args(argc, argv, "01", &howto); - if (howto == Qnil) - how = SHUT_RDWR; - else { - how = shutdown_how_arg(howto); - if (how != SHUT_WR && how != SHUT_RD && how != SHUT_RDWR) { - rb_raise(rb_eArgError, "`how' should be either :SHUT_RD, :SHUT_WR, :SHUT_RDWR"); - } - } - GetOpenFile(sock, fptr); - if (shutdown(fptr->fd, how) == -1) - rb_sys_fail(0); - - return INT2FIX(0); -} - -/* - * call-seq: - * basicsocket.close_read => nil - * - * Disallows further read. - * - * s1, s2 = UNIXSocket.pair - * s1.close_read - * s2.puts #=> Broken pipe (Errno::EPIPE) - */ -static VALUE -bsock_close_read(VALUE sock) -{ - rb_io_t *fptr; - - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't close socket"); - } - GetOpenFile(sock, fptr); - shutdown(fptr->fd, 0); - if (!(fptr->mode & FMODE_WRITABLE)) { - return rb_io_close(sock); - } - fptr->mode &= ~FMODE_READABLE; - - return Qnil; -} - -/* - * call-seq: - * basicsocket.close_write => nil - * - * Disallows further write. - * - * UNIXSocket.pair {|s1, s2| - * s1.print "ping" - * s1.close_write - * p s2.read #=> "ping" - * s2.print "pong" - * s2.close - * p s1.read #=> "pong" - * } - */ -static VALUE -bsock_close_write(VALUE sock) -{ - rb_io_t *fptr; - - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't close socket"); - } - GetOpenFile(sock, fptr); - if (!(fptr->mode & FMODE_READABLE)) { - return rb_io_close(sock); - } - shutdown(fptr->fd, 1); - fptr->mode &= ~FMODE_WRITABLE; - - return Qnil; -} - -/* - * Document-method: setsockopt - * call-seq: setsockopt(level, optname, optval) - * - * Sets a socket option. These are protocol and system specific, see your - * local sytem documentation for details. - * - * === Parameters - * * +level+ is an integer, usually one of the SOL_ constants such as - * Socket::SOL_SOCKET, or a protocol level. - * * +optname+ is an integer, usually one of the SO_ constants, such - * as Socket::SO_REUSEADDR. - * * +optval+ is the value of the option, it is passed to the underlying - * setsockopt() as a pointer to a certain number of bytes. How this is - * done depends on the type: - * - Fixnum: value is assigned to an int, and a pointer to the int is - * passed, with length of sizeof(int). - * - true or false: 1 or 0 (respectively) is assigned to an int, and the - * int is passed as for a Fixnum. Note that +false+ must be passed, - * not +nil+. - * - String: the string's data and length is passed to the socket. - * - * === Examples - * - * Some socket options are integers with boolean values, in this case - * #setsockopt could be called like this: - * sock.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true) - * - * Some socket options are integers with numeric values, in this case - * #setsockopt could be called like this: - * sock.setsockopt(Socket::IPPROTO_IP, Socket::IP_TTL, 255) - * - * Option values may be structs. Passing them can be complex as it involves - * examining your system headers to determine the correct definition. An - * example is an +ip_mreq+, which may be defined in your system headers as: - * struct ip_mreq { - * struct in_addr imr_multiaddr; - * struct in_addr imr_interface; - * }; - * - * In this case #setsockopt could be called like this: - * optval = IPAddr.new("224.0.0.251") + Socket::INADDR_ANY - * sock.setsockopt(Socket::IPPROTO_IP, Socket::IP_ADD_MEMBERSHIP, optval) - * -*/ -static VALUE -bsock_setsockopt(VALUE sock, VALUE lev, VALUE optname, VALUE val) -{ - int level, option; - rb_io_t *fptr; - int i; - char *v; - int vlen; - - rb_secure(2); - level = level_arg(lev); - option = optname_arg(level, optname); - - switch (TYPE(val)) { - case T_FIXNUM: - i = FIX2INT(val); - goto numval; - case T_FALSE: - i = 0; - goto numval; - case T_TRUE: - i = 1; - numval: - v = (char*)&i; vlen = sizeof(i); - break; - default: - StringValue(val); - v = RSTRING_PTR(val); - vlen = RSTRING_LEN(val); - break; - } - -#define rb_sys_fail_path(path) rb_sys_fail(NIL_P(path) ? 0 : RSTRING_PTR(path)) - - GetOpenFile(sock, fptr); - if (setsockopt(fptr->fd, level, option, v, vlen) < 0) - rb_sys_fail_path(fptr->pathv); - - return INT2FIX(0); -} - -/* - * Document-method: getsockopt - * call-seq: getsockopt(level, optname) - * - * Gets a socket option. These are protocol and system specific, see your - * local sytem documentation for details. The option is returned as - * a String with the data being the binary value of the socket option. - * - * === Parameters - * * +level+ is an integer, usually one of the SOL_ constants such as - * Socket::SOL_SOCKET, or a protocol level. - * * +optname+ is an integer, usually one of the SO_ constants, such - * as Socket::SO_REUSEADDR. - * - * === Examples - * - * Some socket options are integers with boolean values, in this case - * #getsockopt could be called like this: - * optval = sock.getsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR) - * optval = optval.unpack "i" - * reuseaddr = optval[0] == 0 ? false : true - * - * Some socket options are integers with numeric values, in this case - * #getsockopt could be called like this: - * optval = sock.getsockopt(Socket::IPPROTO_IP, Socket::IP_TTL) - * ipttl = optval.unpack("i")[0] - * - * Option values may be structs. Decoding them can be complex as it involves - * examining your system headers to determine the correct definition. An - * example is a +struct linger+, which may be defined in your system headers - * as: - * struct linger { - * int l_onoff; - * int l_linger; - * }; - * - * In this case #getsockopt could be called like this: - * optval = sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER) - * onoff, linger = optval.unpack "ii" -*/ -static VALUE -bsock_getsockopt(VALUE sock, VALUE lev, VALUE optname) -{ -#if !defined(__BEOS__) - int level, option; - socklen_t len; - char *buf; - rb_io_t *fptr; - - level = level_arg(lev); - option = optname_arg(level, optname); - len = 256; - buf = ALLOCA_N(char,len); - - GetOpenFile(sock, fptr); - if (getsockopt(fptr->fd, level, option, buf, &len) < 0) - rb_sys_fail_path(fptr->pathv); - - return rb_str_new(buf, len); -#else - rb_notimplement(); -#endif -} - -/* - * call-seq: - * basicsocket.getsockname => sockaddr - * - * Returns the local address of the socket as a sockaddr string. - * - * TCPServer.open("127.0.0.1", 15120) {|serv| - * p serv.getsockname #=> "\x02\x00;\x10\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" - * } - */ -static VALUE -bsock_getsockname(VALUE sock) -{ - char buf[1024]; - socklen_t len = sizeof buf; - rb_io_t *fptr; - - GetOpenFile(sock, fptr); - if (getsockname(fptr->fd, (struct sockaddr*)buf, &len) < 0) - rb_sys_fail("getsockname(2)"); - return rb_str_new(buf, len); -} - -/* - * call-seq: - * basicsocket.getpeername => sockaddr - * - * Returns the remote address of the socket as a sockaddr string. - * - * TCPServer.open("127.0.0.1", 1440) {|serv| - * c = TCPSocket.new("127.0.0.1", 1440) - * s = serv.accept - * p s.getpeername #=> "\x02\x00\x82u\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" - * } - * - */ -static VALUE -bsock_getpeername(VALUE sock) -{ - char buf[1024]; - socklen_t len = sizeof buf; - rb_io_t *fptr; - - GetOpenFile(sock, fptr); - if (getpeername(fptr->fd, (struct sockaddr*)buf, &len) < 0) - rb_sys_fail("getpeername(2)"); - return rb_str_new(buf, len); -} - -static VALUE addrinfo_new(struct sockaddr *, socklen_t, int, int, int, VALUE, VALUE); - -static VALUE -fd_socket_addrinfo(int fd, struct sockaddr *addr, socklen_t len) -{ - int family; - int socktype; - int ret; - socklen_t optlen = sizeof(socktype); - - /* assumes protocol family and address family are identical */ - family = get_afamily(addr, len); - - ret = getsockopt(fd, SOL_SOCKET, SO_TYPE, (void*)&socktype, &optlen); - if (ret == -1) { - rb_sys_fail("getsockopt(SO_TYPE)"); - } - - return addrinfo_new(addr, len, family, socktype, 0, Qnil, Qnil); -} - -static VALUE -io_socket_addrinfo(VALUE io, struct sockaddr *addr, socklen_t len) -{ - rb_io_t *fptr; - - switch (TYPE(io)) { - case T_FIXNUM: - return fd_socket_addrinfo(FIX2INT(io), addr, len); - - case T_BIGNUM: - return fd_socket_addrinfo(NUM2INT(io), addr, len); - - case T_FILE: - GetOpenFile(io, fptr); - return fd_socket_addrinfo(fptr->fd, addr, len); - - default: - rb_raise(rb_eTypeError, "neither IO nor file descriptor"); - } -} - -/* - * call-seq: - * bsock.local_address => addrinfo - * - * Returns an AddrInfo object for local address obtained by getsockname. - * - * Note that addrinfo.protocol is filled by 0. - * - * TCPServer.open("127.0.0.1", 1512) {|serv| - * p serv.local_address #=> #<AddrInfo: 127.0.0.1:1512 TCP> - * } - * - */ -static VALUE -bsock_local_address(VALUE sock) -{ - char buf[1024]; - socklen_t len = sizeof buf; - rb_io_t *fptr; - - GetOpenFile(sock, fptr); - if (getsockname(fptr->fd, (struct sockaddr*)buf, &len) < 0) - rb_sys_fail("getsockname(2)"); - return fd_socket_addrinfo(fptr->fd, (struct sockaddr *)buf, len); -} - -/* - * call-seq: - * bsock.remote_address => addrinfo - * - * Returns an AddrInfo object for remote address obtained by getpeername. - * - * Note that addrinfo.protocol is filled by 0. - * - * TCPServer.open("127.0.0.1", 1728) {|serv| - * c = TCPSocket.new("127.0.0.1", 1728) - * s = serv.accept - * p s.remote_address #=> #<AddrInfo: 127.0.0.1:36504 TCP> - * } - * - */ -static VALUE -bsock_remote_address(VALUE sock) -{ - char buf[1024]; - socklen_t len = sizeof buf; - rb_io_t *fptr; - - GetOpenFile(sock, fptr); - if (getpeername(fptr->fd, (struct sockaddr*)buf, &len) < 0) - rb_sys_fail("getpeername(2)"); - return fd_socket_addrinfo(fptr->fd, (struct sockaddr *)buf, len); -} - -struct send_arg { - int fd, flags; - VALUE mesg; - struct sockaddr *to; - socklen_t tolen; -}; - -static VALUE -sendto_blocking(void *data) -{ - struct send_arg *arg = data; - VALUE mesg = arg->mesg; - return (VALUE)sendto(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), - arg->flags, arg->to, arg->tolen); -} - -static VALUE -send_blocking(void *data) -{ - struct send_arg *arg = data; - VALUE mesg = arg->mesg; - return (VALUE)send(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), - arg->flags); -} - -#define SockAddrStringValue(v) sockaddr_string_value(&(v)) -#define SockAddrStringValuePtr(v) sockaddr_string_value_ptr(&(v)) -static VALUE sockaddr_string_value(volatile VALUE *); -static char *sockaddr_string_value_ptr(volatile VALUE *); - -/* - * call-seq: - * basicsocket.send(mesg, flags [, sockaddr_to]) => numbytes_sent - * - * send _mesg_ via _basicsocket_. - * - * _mesg_ should be a string. - * - * _flags_ should be a bitwise OR of Socket::MSG_* constants. - * - * _sockaddr_to_ should be a packed sockaddr string or an addrinfo. - * - * TCPSocket.open("localhost", 80) {|s| - * s.send "GET / HTTP/1.0\r\n\r\n", 0 - * p s.read - * } - */ -static VALUE -bsock_send(int argc, VALUE *argv, VALUE sock) -{ - struct send_arg arg; - VALUE flags, to; - rb_io_t *fptr; - int n; - rb_blocking_function_t *func; - - rb_secure(4); - rb_scan_args(argc, argv, "21", &arg.mesg, &flags, &to); - - StringValue(arg.mesg); - if (!NIL_P(to)) { - SockAddrStringValue(to); - to = rb_str_new4(to); - arg.to = (struct sockaddr *)RSTRING_PTR(to); - arg.tolen = RSTRING_LEN(to); - func = sendto_blocking; - } - else { - func = send_blocking; - } - GetOpenFile(sock, fptr); - arg.fd = fptr->fd; - arg.flags = NUM2INT(flags); - while (rb_thread_fd_writable(arg.fd), - (n = (int)BLOCKING_REGION(func, &arg)) < 0) { - if (rb_io_wait_writable(arg.fd)) { - continue; - } - rb_sys_fail("send(2)"); - } - return INT2FIX(n); -} - -/* - * call-seq: - * basicsocket.do_not_reverse_lookup => true or false - * - * Gets the do_not_reverse_lookup flag of _basicsocket_. - * - * TCPSocket.open("www.ruby-lang.org", 80) {|sock| - * p sock.do_not_reverse_lookup #=> false - * p sock.peeraddr #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] - * sock.do_not_reverse_lookup = true - * p sock.peeraddr #=> ["AF_INET", 80, "221.186.184.68", "221.186.184.68"] - * } - */ -static VALUE -bsock_do_not_reverse_lookup(VALUE sock) -{ - rb_io_t *fptr; - - GetOpenFile(sock, fptr); - return (fptr->mode & FMODE_NOREVLOOKUP) ? Qtrue : Qfalse; -} - -/* - * call-seq: - * basicsocket.do_not_reverse_lookup = bool - * - * Sets the do_not_reverse_lookup flag of _basicsocket_. - * - * BasicSocket.do_not_reverse_lookup = false - * p TCPSocket.new("127.0.0.1", 80).do_not_reverse_lookup #=> false - * BasicSocket.do_not_reverse_lookup = true - * p TCPSocket.new("127.0.0.1", 80).do_not_reverse_lookup #=> true - * - */ -static VALUE -bsock_do_not_reverse_lookup_set(VALUE sock, VALUE state) -{ - rb_io_t *fptr; - - rb_secure(4); - GetOpenFile(sock, fptr); - if (RTEST(state)) { - fptr->mode |= FMODE_NOREVLOOKUP; - } - else { - fptr->mode &= ~FMODE_NOREVLOOKUP; - } - return sock; -} - -static VALUE ipaddr(struct sockaddr*, int); -#ifdef HAVE_SYS_UN_H -static VALUE unixaddr(struct sockaddr_un*, socklen_t); -#endif - -enum sock_recv_type { - RECV_RECV, /* BasicSocket#recv(no from) */ - RECV_IP, /* IPSocket#recvfrom */ - RECV_UNIX, /* UNIXSocket#recvfrom */ - RECV_SOCKET /* Socket#recvfrom */ -}; - -struct recvfrom_arg { - int fd, flags; - VALUE str; - socklen_t alen; - char buf[1024]; -}; - -static VALUE -recvfrom_blocking(void *data) -{ - struct recvfrom_arg *arg = data; - return (VALUE)recvfrom(arg->fd, RSTRING_PTR(arg->str), RSTRING_LEN(arg->str), - arg->flags, (struct sockaddr*)arg->buf, &arg->alen); -} - -static VALUE -s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) -{ - rb_io_t *fptr; - VALUE str, klass; - struct recvfrom_arg arg; - VALUE len, flg; - long buflen; - long slen; - - rb_scan_args(argc, argv, "11", &len, &flg); - - if (flg == Qnil) arg.flags = 0; - else arg.flags = NUM2INT(flg); - buflen = NUM2INT(len); - - GetOpenFile(sock, fptr); - if (rb_io_read_pending(fptr)) { - rb_raise(rb_eIOError, "recv for buffered IO"); - } - arg.fd = fptr->fd; - arg.alen = sizeof(arg.buf); - - arg.str = str = rb_tainted_str_new(0, buflen); - klass = RBASIC(str)->klass; - RBASIC(str)->klass = 0; - - while (rb_io_check_closed(fptr), - rb_thread_wait_fd(arg.fd), - (slen = BLOCKING_REGION(recvfrom_blocking, &arg)) < 0) { - if (RBASIC(str)->klass || RSTRING_LEN(str) != buflen) { - rb_raise(rb_eRuntimeError, "buffer string modified"); - } - } - - RBASIC(str)->klass = klass; - if (slen < RSTRING_LEN(str)) { - rb_str_set_len(str, slen); - } - rb_obj_taint(str); - switch (from) { - case RECV_RECV: - return str; - case RECV_IP: -#if 0 - if (arg.alen != sizeof(struct sockaddr_in)) { - rb_raise(rb_eTypeError, "sockaddr size differs - should not happen"); - } -#endif - if (arg.alen && arg.alen != sizeof(arg.buf)) /* OSX doesn't return a from result for connection-oriented sockets */ - return rb_assoc_new(str, ipaddr((struct sockaddr*)arg.buf, fptr->mode & FMODE_NOREVLOOKUP)); - else - return rb_assoc_new(str, Qnil); - -#ifdef HAVE_SYS_UN_H - case RECV_UNIX: - return rb_assoc_new(str, unixaddr((struct sockaddr_un*)arg.buf, arg.alen)); -#endif - case RECV_SOCKET: - return rb_assoc_new(str, io_socket_addrinfo(sock, (struct sockaddr*)arg.buf, arg.alen)); - default: - rb_bug("s_recvfrom called with bad value"); - } -} - -static VALUE -s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) -{ - rb_io_t *fptr; - VALUE str; - char buf[1024]; - socklen_t alen = sizeof buf; - VALUE len, flg; - long buflen; - long slen; - int fd, flags; - VALUE addr = Qnil; - - rb_scan_args(argc, argv, "11", &len, &flg); - - if (flg == Qnil) flags = 0; - else flags = NUM2INT(flg); - buflen = NUM2INT(len); - -#ifdef MSG_DONTWAIT - /* MSG_DONTWAIT avoids the race condition between fcntl and recvfrom. - It is not portable, though. */ - flags |= MSG_DONTWAIT; -#endif - - GetOpenFile(sock, fptr); - if (rb_io_read_pending(fptr)) { - rb_raise(rb_eIOError, "recvfrom for buffered IO"); - } - fd = fptr->fd; - - str = rb_tainted_str_new(0, buflen); - - rb_io_check_closed(fptr); - rb_io_set_nonblock(fptr); - slen = recvfrom(fd, RSTRING_PTR(str), buflen, flags, (struct sockaddr*)buf, &alen); - - if (slen < 0) { - rb_sys_fail("recvfrom(2)"); - } - if (slen < RSTRING_LEN(str)) { - rb_str_set_len(str, slen); - } - rb_obj_taint(str); - switch (from) { - case RECV_RECV: - return str; - - case RECV_IP: - if (alen && alen != sizeof(buf)) /* connection-oriented socket may not return a from result */ - addr = ipaddr((struct sockaddr*)buf, fptr->mode & FMODE_NOREVLOOKUP); - break; - - case RECV_SOCKET: - addr = io_socket_addrinfo(sock, (struct sockaddr*)buf, alen); - break; - - default: - rb_bug("s_recvfrom_nonblock called with bad value"); - } - return rb_assoc_new(str, addr); -} - -/* - * call-seq: - * basicsocket.recv(maxlen) => mesg - * basicsocket.recv(maxlen, flags) => mesg - * - * Receives a message. - * - * _maxlen_ is the maximum number of bytes to receive. - * - * _flags_ should be a bitwise OR of Socket::MSG_* constants. - * - * UNIXSocket.pair {|s1, s2| - * s1.puts "Hello World" - * p s2.recv(4) #=> "Hell" - * p s2.recv(4, Socket::MSG_PEEK) #=> "o Wo" - * p s2.recv(4) #=> "o Wo" - * p s2.recv(10) #=> "rld\n" - * } - */ -static VALUE -bsock_recv(int argc, VALUE *argv, VALUE sock) -{ - return s_recvfrom(sock, argc, argv, RECV_RECV); -} - -/* - * call-seq: - * basicsocket.recv_nonblock(maxlen) => mesg - * basicsocket.recv_nonblock(maxlen, flags) => mesg - * - * Receives up to _maxlen_ bytes from +socket+ using recvfrom(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * _flags_ is zero or more of the +MSG_+ options. - * The result, _mesg_, is the data received. - * - * When recvfrom(2) returns 0, Socket#recv_nonblock returns - * an empty string as data. - * The meaning depends on the socket: EOF on TCP, empty packet on UDP, etc. - * - * === Parameters - * * +maxlen+ - the number of bytes to receive from the socket - * * +flags+ - zero or more of the +MSG_+ options - * - * === Example - * serv = TCPServer.new("127.0.0.1", 0) - * af, port, host, addr = serv.addr - * c = TCPSocket.new(addr, port) - * s = serv.accept - * c.send "aaa", 0 - * IO.select([s]) # emulate blocking recv. - * p s.recv_nonblock(10) #=> "aaa" - * - * Refer to Socket#recvfrom for the exceptions that may be thrown if the call - * to _recv_nonblock_ fails. - * - * BasicSocket#recv_nonblock may raise any error corresponding to recvfrom(2) failure, - * including Errno::EWOULDBLOCK. - * - * === See - * * Socket#recvfrom - */ - -static VALUE -bsock_recv_nonblock(int argc, VALUE *argv, VALUE sock) -{ - return s_recvfrom_nonblock(sock, argc, argv, RECV_RECV); -} - -/* - * call-seq: - * BasicSocket.do_not_reverse_lookup => true or false - * - * Gets the global do_not_reverse_lookup flag. - * - * BasicSocket.do_not_reverse_lookup #=> false - */ -static VALUE -bsock_do_not_rev_lookup(void) -{ - return do_not_reverse_lookup?Qtrue:Qfalse; -} - -/* - * call-seq: - * BasicSocket.do_not_reverse_lookup = bool - * - * Sets the global do_not_reverse_lookup flag. - * - * The flag is used for initial value of do_not_reverse_lookup for each socket. - * - * s1 = TCPSocket.new("localhost", 80) - * p s1.do_not_reverse_lookup #=> true - * BasicSocket.do_not_reverse_lookup = false - * s2 = TCPSocket.new("localhost", 80) - * p s2.do_not_reverse_lookup #=> false - * p s1.do_not_reverse_lookup #=> true - * - */ -static VALUE -bsock_do_not_rev_lookup_set(VALUE self, VALUE val) -{ - rb_secure(4); - do_not_reverse_lookup = RTEST(val); - return val; -} - -static void -raise_socket_error(const char *reason, int error) -{ -#ifdef EAI_SYSTEM - if (error == EAI_SYSTEM) rb_sys_fail(reason); -#endif - rb_raise(rb_eSocket, "%s: %s", reason, gai_strerror(error)); -} - -static void -make_ipaddr0(struct sockaddr *addr, char *buf, size_t len) -{ - int error; - - error = rb_getnameinfo(addr, SA_LEN(addr), buf, len, NULL, 0, NI_NUMERICHOST); - if (error) { - raise_socket_error("getnameinfo", error); - } -} - -static VALUE -make_ipaddr(struct sockaddr *addr) -{ - char buf[1024]; - - make_ipaddr0(addr, buf, sizeof(buf)); - return rb_str_new2(buf); -} - -static void -make_inetaddr(long host, char *buf, size_t len) -{ - struct sockaddr_in sin; - - MEMZERO(&sin, struct sockaddr_in, 1); - sin.sin_family = AF_INET; - SET_SIN_LEN(&sin, sizeof(sin)); - sin.sin_addr.s_addr = host; - make_ipaddr0((struct sockaddr*)&sin, buf, len); -} - -static int -str_isnumber(const char *p) -{ - char *ep; - - if (!p || *p == '\0') - return 0; - ep = NULL; - (void)STRTOUL(p, &ep, 10); - if (ep && *ep == '\0') - return 1; - else - return 0; -} - -static char* -host_str(VALUE host, char *hbuf, size_t len, int *flags_ptr) -{ - if (NIL_P(host)) { - return NULL; - } - else if (rb_obj_is_kind_of(host, rb_cInteger)) { - unsigned long i = NUM2ULONG(host); - - make_inetaddr(htonl(i), hbuf, len); - if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; - return hbuf; - } - else { - char *name; - - SafeStringValue(host); - name = RSTRING_PTR(host); - if (!name || *name == 0 || (name[0] == '<' && strcmp(name, "<any>") == 0)) { - make_inetaddr(INADDR_ANY, hbuf, len); - if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; - } - else if (name[0] == '<' && strcmp(name, "<broadcast>") == 0) { - make_inetaddr(INADDR_BROADCAST, hbuf, len); - if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; - } - else if (strlen(name) >= len) { - rb_raise(rb_eArgError, "hostname too long (%"PRIuSIZE")", - strlen(name)); - } - else { - strcpy(hbuf, name); - } - return hbuf; - } -} - -static char* -port_str(VALUE port, char *pbuf, size_t len, int *flags_ptr) -{ - if (NIL_P(port)) { - return 0; - } - else if (FIXNUM_P(port)) { - snprintf(pbuf, len, "%ld", FIX2LONG(port)); -#ifdef AI_NUMERICSERV - if (flags_ptr) *flags_ptr |= AI_NUMERICSERV; -#endif - return pbuf; - } - else { - char *serv; - - SafeStringValue(port); - serv = RSTRING_PTR(port); - if (strlen(serv) >= len) { - rb_raise(rb_eArgError, "service name too long (%"PRIuSIZE")", - strlen(serv)); - } - strcpy(pbuf, serv); - return pbuf; - } -} - -#ifndef NI_MAXHOST -# define NI_MAXHOST 1025 -#endif -#ifndef NI_MAXSERV -# define NI_MAXSERV 32 -#endif - -static struct addrinfo* -sock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack) -{ - struct addrinfo* res = NULL; - char *hostp, *portp; - int error; - char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV]; - int additional_flags = 0; - - hostp = host_str(host, hbuf, sizeof(hbuf), &additional_flags); - portp = port_str(port, pbuf, sizeof(pbuf), &additional_flags); - - if (socktype_hack && hints->ai_socktype == 0 && str_isnumber(portp)) { - hints->ai_socktype = SOCK_DGRAM; - } - hints->ai_flags |= additional_flags; - - error = rb_getaddrinfo(hostp, portp, hints, &res); - if (error) { - if (hostp && hostp[strlen(hostp)-1] == '\n') { - rb_raise(rb_eSocket, "newline at the end of hostname"); - } - raise_socket_error("getaddrinfo", error); - } - -#if defined(__APPLE__) && defined(__MACH__) - { - struct addrinfo *r; - r = res; - while (r) { - if (! r->ai_socktype) r->ai_socktype = hints->ai_socktype; - if (! r->ai_protocol) { - if (r->ai_socktype == SOCK_DGRAM) { - r->ai_protocol = IPPROTO_UDP; - } - else if (r->ai_socktype == SOCK_STREAM) { - r->ai_protocol = IPPROTO_TCP; - } - } - r = r->ai_next; - } - } -#endif - return res; -} - -static struct addrinfo* -sock_addrinfo(VALUE host, VALUE port, int socktype, int flags) -{ - struct addrinfo hints; - - MEMZERO(&hints, struct addrinfo, 1); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = socktype; - hints.ai_flags = flags; - return sock_getaddrinfo(host, port, &hints, 1); -} - -static VALUE -ipaddr(struct sockaddr *sockaddr, int norevlookup) -{ - VALUE family, port, addr1, addr2; - VALUE ary; - int error; - char hbuf[1024], pbuf[1024]; - ID id; - - id = intern_family(sockaddr->sa_family); - if (id) { - family = rb_str_dup(rb_id2str(id)); - } - else { - sprintf(pbuf, "unknown:%d", sockaddr->sa_family); - family = rb_str_new2(pbuf); - } - - addr1 = Qnil; - if (!norevlookup) { - error = rb_getnameinfo(sockaddr, SA_LEN(sockaddr), hbuf, sizeof(hbuf), - NULL, 0, 0); - if (! error) { - addr1 = rb_str_new2(hbuf); - } - } - error = rb_getnameinfo(sockaddr, SA_LEN(sockaddr), hbuf, sizeof(hbuf), - pbuf, sizeof(pbuf), NI_NUMERICHOST | NI_NUMERICSERV); - if (error) { - raise_socket_error("getnameinfo", error); - } - addr2 = rb_str_new2(hbuf); - if (addr1 == Qnil) { - addr1 = addr2; - } - port = INT2FIX(atoi(pbuf)); - ary = rb_ary_new3(4, family, port, addr1, addr2); - - return ary; -} - -static int -ruby_socket(int domain, int type, int proto) -{ - int fd; - - fd = socket(domain, type, proto); - if (fd < 0) { - if (errno == EMFILE || errno == ENFILE) { - rb_gc(); - fd = socket(domain, type, proto); - } - } - return fd; -} - -static int -wait_connectable0(int fd, rb_fdset_t *fds_w, rb_fdset_t *fds_e) -{ - int sockerr; - socklen_t sockerrlen; - - for (;;) { - rb_fd_zero(fds_w); - rb_fd_zero(fds_e); - - rb_fd_set(fd, fds_w); - rb_fd_set(fd, fds_e); - - rb_thread_select(fd+1, 0, rb_fd_ptr(fds_w), rb_fd_ptr(fds_e), 0); - - if (rb_fd_isset(fd, fds_w)) { - return 0; - } - else if (rb_fd_isset(fd, fds_e)) { - sockerrlen = sizeof(sockerr); - if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, - &sockerrlen) == 0) { - if (sockerr == 0) - continue; /* workaround for winsock */ - errno = sockerr; - } - return -1; - } - } - - return 0; -} - -struct wait_connectable_arg { - int fd; - rb_fdset_t fds_w; - rb_fdset_t fds_e; -}; - -#ifdef HAVE_RB_FD_INIT -static VALUE -try_wait_connectable(VALUE arg) -{ - struct wait_connectable_arg *p = (struct wait_connectable_arg *)arg; - return (VALUE)wait_connectable0(p->fd, &p->fds_w, &p->fds_e); -} - -static VALUE -wait_connectable_ensure(VALUE arg) -{ - struct wait_connectable_arg *p = (struct wait_connectable_arg *)arg; - rb_fd_term(&p->fds_w); - rb_fd_term(&p->fds_e); - return Qnil; -} -#endif - -static int -wait_connectable(int fd) -{ - struct wait_connectable_arg arg; - - rb_fd_init(&arg.fds_w); - rb_fd_init(&arg.fds_e); -#ifdef HAVE_RB_FD_INIT - arg.fd = fd; - return (int)rb_ensure(try_wait_connectable, (VALUE)&arg, - wait_connectable_ensure,(VALUE)&arg); -#else - return wait_connectable0(fd, &arg.fds_w, &arg.fds_e); -#endif -} - -#ifdef __CYGWIN__ -#define WAIT_IN_PROGRESS 10 -#endif -#ifdef __APPLE__ -#define WAIT_IN_PROGRESS 10 -#endif -#ifdef __linux__ -/* returns correct error */ -#define WAIT_IN_PROGRESS 0 -#endif -#ifndef WAIT_IN_PROGRESS -/* BSD origin code apparently has a problem */ -#define WAIT_IN_PROGRESS 1 -#endif - -struct connect_arg { - int fd; - const struct sockaddr *sockaddr; - socklen_t len; -}; - -static VALUE -connect_blocking(void *data) -{ - struct connect_arg *arg = data; - return (VALUE)connect(arg->fd, arg->sockaddr, arg->len); -} - -#if defined(SOCKS) && !defined(SOCKS5) -static VALUE -socks_connect_blocking(void *data) -{ - struct connect_arg *arg = data; - return (VALUE)Rconnect(arg->fd, arg->sockaddr, arg->len); -} -#endif - -static int -ruby_connect(int fd, const struct sockaddr *sockaddr, int len, int socks) -{ - int status; - rb_blocking_function_t *func = connect_blocking; - struct connect_arg arg; -#if WAIT_IN_PROGRESS > 0 - int wait_in_progress = -1; - int sockerr; - socklen_t sockerrlen; -#endif - - arg.fd = fd; - arg.sockaddr = sockaddr; - arg.len = len; -#if defined(SOCKS) && !defined(SOCKS5) - if (socks) func = socks_connect_blocking; -#endif - for (;;) { - status = (int)BLOCKING_REGION(func, &arg); - if (status < 0) { - switch (errno) { - case EAGAIN: -#ifdef EINPROGRESS - case EINPROGRESS: -#endif -#if WAIT_IN_PROGRESS > 0 - sockerrlen = sizeof(sockerr); - status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); - if (status) break; - if (sockerr) { - status = -1; - errno = sockerr; - break; - } -#endif -#ifdef EALREADY - case EALREADY: -#endif -#if WAIT_IN_PROGRESS > 0 - wait_in_progress = WAIT_IN_PROGRESS; -#endif - status = wait_connectable(fd); - if (status) { - break; - } - errno = 0; - continue; - -#if WAIT_IN_PROGRESS > 0 - case EINVAL: - if (wait_in_progress-- > 0) { - /* - * connect() after EINPROGRESS returns EINVAL on - * some platforms, need to check true error - * status. - */ - sockerrlen = sizeof(sockerr); - status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); - if (!status && !sockerr) { - struct timeval tv = {0, 100000}; - rb_thread_wait_for(tv); - continue; - } - status = -1; - errno = sockerr; - } - break; -#endif - -#ifdef EISCONN - case EISCONN: - status = 0; - errno = 0; - break; -#endif - default: - break; - } - } - return status; - } -} - -struct inetsock_arg -{ - VALUE sock; - struct { - VALUE host, serv; - struct addrinfo *res; - } remote, local; - int type; - int fd; -}; - -static VALUE -inetsock_cleanup(struct inetsock_arg *arg) -{ - if (arg->remote.res) { - freeaddrinfo(arg->remote.res); - arg->remote.res = 0; - } - if (arg->local.res) { - freeaddrinfo(arg->local.res); - arg->local.res = 0; - } - if (arg->fd >= 0) { - close(arg->fd); - } - return Qnil; -} - -static VALUE -init_inetsock_internal(struct inetsock_arg *arg) -{ - int type = arg->type; - struct addrinfo *res; - int fd, status = 0; - const char *syscall = 0; - - arg->remote.res = sock_addrinfo(arg->remote.host, arg->remote.serv, SOCK_STREAM, - (type == INET_SERVER) ? AI_PASSIVE : 0); - /* - * Maybe also accept a local address - */ - - if (type != INET_SERVER && (!NIL_P(arg->local.host) || !NIL_P(arg->local.serv))) { - arg->local.res = sock_addrinfo(arg->local.host, arg->local.serv, SOCK_STREAM, 0); - } - - arg->fd = fd = -1; - for (res = arg->remote.res; res; res = res->ai_next) { - status = ruby_socket(res->ai_family,res->ai_socktype,res->ai_protocol); - syscall = "socket(2)"; - fd = status; - if (fd < 0) { - continue; - } - arg->fd = fd; - if (type == INET_SERVER) { -#if !defined(_WIN32) && !defined(__CYGWIN__) - status = 1; - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, - (char*)&status, sizeof(status)); -#endif - status = bind(fd, res->ai_addr, res->ai_addrlen); - syscall = "bind(2)"; - } - else { - if (arg->local.res) { - status = bind(fd, arg->local.res->ai_addr, arg->local.res->ai_addrlen); - syscall = "bind(2)"; - } - - if (status >= 0) { - status = ruby_connect(fd, res->ai_addr, res->ai_addrlen, - (type == INET_SOCKS)); - syscall = "connect(2)"; - } - } - - if (status < 0) { - close(fd); - arg->fd = fd = -1; - continue; - } else - break; - } - if (status < 0) { - rb_sys_fail(syscall); - } - - arg->fd = -1; - - if (type == INET_SERVER) - listen(fd, 5); - - /* create new instance */ - return init_sock(arg->sock, fd); -} - -static VALUE -init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, - VALUE local_host, VALUE local_serv, int type) -{ - struct inetsock_arg arg; - arg.sock = sock; - arg.remote.host = remote_host; - arg.remote.serv = remote_serv; - arg.remote.res = 0; - arg.local.host = local_host; - arg.local.serv = local_serv; - arg.local.res = 0; - arg.type = type; - arg.fd = -1; - return rb_ensure(init_inetsock_internal, (VALUE)&arg, - inetsock_cleanup, (VALUE)&arg); -} - -/* - * call-seq: - * TCPSocket.new(remote_host, remote_port, local_host=nil, local_port=nil) - * - * Opens a TCP connection to +remote_host+ on +remote_port+. If +local_host+ - * and +local_port+ are specified, then those parameters are used on the local - * end to establish the connection. - */ -static VALUE -tcp_init(int argc, VALUE *argv, VALUE sock) -{ - VALUE remote_host, remote_serv; - VALUE local_host, local_serv; - - rb_scan_args(argc, argv, "22", &remote_host, &remote_serv, - &local_host, &local_serv); - - return init_inetsock(sock, remote_host, remote_serv, - local_host, local_serv, INET_CLIENT); -} - -#ifdef SOCKS -static VALUE -socks_init(VALUE sock, VALUE host, VALUE serv) -{ - static init = 0; - - if (init == 0) { - SOCKSinit("ruby"); - init = 1; - } - - return init_inetsock(sock, host, serv, Qnil, Qnil, INET_SOCKS); -} - -#ifdef SOCKS5 -static VALUE -socks_s_close(VALUE sock) -{ - rb_io_t *fptr; - - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't close socket"); - } - GetOpenFile(sock, fptr); - shutdown(fptr->fd, 2); - return rb_io_close(sock); -} -#endif -#endif - -struct hostent_arg { - VALUE host; - struct addrinfo* addr; - VALUE (*ipaddr)(struct sockaddr*, size_t); -}; - -static VALUE -make_hostent_internal(struct hostent_arg *arg) -{ - VALUE host = arg->host; - struct addrinfo* addr = arg->addr; - VALUE (*ipaddr)(struct sockaddr*, size_t) = arg->ipaddr; - - struct addrinfo *ai; - struct hostent *h; - VALUE ary, names; - char **pch; - const char* hostp; - char hbuf[NI_MAXHOST]; - - ary = rb_ary_new(); - if (addr->ai_canonname) { - hostp = addr->ai_canonname; - } - else { - hostp = host_str(host, hbuf, sizeof(hbuf), NULL); - } - rb_ary_push(ary, rb_str_new2(hostp)); - - if (addr->ai_canonname && (h = gethostbyname(addr->ai_canonname))) { - names = rb_ary_new(); - if (h->h_aliases != NULL) { - for (pch = h->h_aliases; *pch; pch++) { - rb_ary_push(names, rb_str_new2(*pch)); - } - } - } - else { - names = rb_ary_new2(0); - } - rb_ary_push(ary, names); - rb_ary_push(ary, INT2NUM(addr->ai_family)); - for (ai = addr; ai; ai = ai->ai_next) { - rb_ary_push(ary, (*ipaddr)(ai->ai_addr, ai->ai_addrlen)); - } - - return ary; -} - -static VALUE -make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, size_t)) -{ - struct hostent_arg arg; - - arg.host = host; - arg.addr = addr; - arg.ipaddr = ipaddr; - return rb_ensure(make_hostent_internal, (VALUE)&arg, - RUBY_METHOD_FUNC(freeaddrinfo), (VALUE)addr); -} - -static VALUE -tcp_sockaddr(struct sockaddr *addr, size_t len) -{ - return make_ipaddr(addr); -} - -/* - * call-seq: - * TCPSocket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list] - * - * Lookups host information by _hostname_. - * - * TCPSocket.gethostbyname("localhost") - * #=> ["localhost", ["hal"], 2, "127.0.0.1"] - * - */ -static VALUE -tcp_s_gethostbyname(VALUE obj, VALUE host) -{ - rb_secure(3); - return make_hostent(host, sock_addrinfo(host, Qnil, SOCK_STREAM, AI_CANONNAME), - tcp_sockaddr); -} - -/* - * call-seq: - * TCPServer.new([hostname,] port) => tcpserver - * - * Creates a new server socket bound to _port_. - * - * If _hostname_ is given, the socket is bound to it. - * - * serv = TCPServer.new("127.0.0.1", 28561) - * s = serv.accept - * s.puts Time.now - * s.close - */ -static VALUE -tcp_svr_init(int argc, VALUE *argv, VALUE sock) -{ - VALUE arg1, arg2; - - if (rb_scan_args(argc, argv, "11", &arg1, &arg2) == 2) - return init_inetsock(sock, arg1, arg2, Qnil, Qnil, INET_SERVER); - else - return init_inetsock(sock, Qnil, arg1, Qnil, Qnil, INET_SERVER); -} - -static void -make_fd_nonblock(int fd) -{ - int flags; -#ifdef F_GETFL - flags = fcntl(fd, F_GETFL); - if (flags == -1) { - rb_sys_fail(0); - } -#else - flags = 0; -#endif - flags |= O_NONBLOCK; - if (fcntl(fd, F_SETFL, flags) == -1) { - rb_sys_fail(0); - } -} - -static VALUE -s_accept_nonblock(VALUE klass, rb_io_t *fptr, struct sockaddr *sockaddr, socklen_t *len) -{ - int fd2; - - rb_secure(3); - rb_io_set_nonblock(fptr); - fd2 = accept(fptr->fd, (struct sockaddr*)sockaddr, len); - if (fd2 < 0) { - rb_sys_fail("accept(2)"); - } - make_fd_nonblock(fd2); - return init_sock(rb_obj_alloc(klass), fd2); -} - -struct accept_arg { - int fd; - struct sockaddr *sockaddr; - socklen_t *len; -}; - -static VALUE -accept_blocking(void *data) -{ - struct accept_arg *arg = data; - return (VALUE)accept(arg->fd, arg->sockaddr, arg->len); -} - -static VALUE -s_accept(VALUE klass, int fd, struct sockaddr *sockaddr, socklen_t *len) -{ - int fd2; - int retry = 0; - struct accept_arg arg; - - rb_secure(3); - arg.fd = fd; - arg.sockaddr = sockaddr; - arg.len = len; - retry: - rb_thread_wait_fd(fd); - fd2 = BLOCKING_REGION(accept_blocking, &arg); - if (fd2 < 0) { - switch (errno) { - case EMFILE: - case ENFILE: - if (retry) break; - rb_gc(); - retry = 1; - goto retry; - default: - if (!rb_io_wait_readable(fd)) break; - retry = 0; - goto retry; - } - rb_sys_fail(0); - } - if (!klass) return INT2NUM(fd2); - return init_sock(rb_obj_alloc(klass), fd2); -} - -/* - * call-seq: - * tcpserver.accept => tcpsocket - * - * TCPServer.open("127.0.0.1", 14641) {|serv| - * s = serv.accept - * s.puts Time.now - * s.close - * } - * - */ -static VALUE -tcp_accept(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_storage from; - socklen_t fromlen; - - GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return s_accept(rb_cTCPSocket, fptr->fd, - (struct sockaddr*)&from, &fromlen); -} - -/* - * call-seq: - * tcpserver.accept_nonblock => tcpsocket - * - * Accepts an incoming connection using accept(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * It returns an accepted TCPSocket for the incoming connection. - * - * === Example - * require 'socket' - * serv = TCPServer.new(2202) - * begin # emulate blocking accept - * sock = serv.accept_nonblock - * rescue Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::ECONNABORTED, Errno::EPROTO, Errno::EINTR - * IO.select([serv]) - * retry - * end - * # sock is an accepted socket. - * - * Refer to Socket#accept for the exceptions that may be thrown if the call - * to TCPServer#accept_nonblock fails. - * - * TCPServer#accept_nonblock may raise any error corresponding to accept(2) failure, - * including Errno::EWOULDBLOCK. - * - * === See - * * TCPServer#accept - * * Socket#accept - */ -static VALUE -tcp_accept_nonblock(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_storage from; - socklen_t fromlen; - - GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return s_accept_nonblock(rb_cTCPSocket, fptr, - (struct sockaddr *)&from, &fromlen); -} - -/* - * call-seq: - * tcpserver.sysaccept => file_descriptor - * - * Returns a file descriptor of a accepted connection. - * - * TCPServer.open("127.0.0.1", 28561) {|serv| - * fd = serv.sysaccept - * s = IO.for_fd(fd) - * s.puts Time.now - * s.close - * } - * - */ -static VALUE -tcp_sysaccept(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_storage from; - socklen_t fromlen; - - GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return s_accept(0, fptr->fd, (struct sockaddr*)&from, &fromlen); -} - -#ifdef HAVE_SYS_UN_H -struct unixsock_arg { - struct sockaddr_un *sockaddr; - int fd; -}; - -static VALUE -unixsock_connect_internal(struct unixsock_arg *arg) -{ - return (VALUE)ruby_connect(arg->fd, (struct sockaddr*)arg->sockaddr, - sizeof(*arg->sockaddr), 0); -} - -static VALUE -init_unixsock(VALUE sock, VALUE path, int server) -{ - struct sockaddr_un sockaddr; - int fd, status; - rb_io_t *fptr; - - SafeStringValue(path); - fd = ruby_socket(AF_UNIX, SOCK_STREAM, 0); - if (fd < 0) { - rb_sys_fail("socket(2)"); - } - - MEMZERO(&sockaddr, struct sockaddr_un, 1); - sockaddr.sun_family = AF_UNIX; - if (sizeof(sockaddr.sun_path) <= RSTRING_LEN(path)) { - rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)", - (int)sizeof(sockaddr.sun_path)-1); - } - memcpy(sockaddr.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); - - if (server) { - status = bind(fd, (struct sockaddr*)&sockaddr, sizeof(sockaddr)); - } - else { - int prot; - struct unixsock_arg arg; - arg.sockaddr = &sockaddr; - arg.fd = fd; - status = rb_protect((VALUE(*)(VALUE))unixsock_connect_internal, - (VALUE)&arg, &prot); - if (prot) { - close(fd); - rb_jump_tag(prot); - } - } - - if (status < 0) { - close(fd); - rb_sys_fail(sockaddr.sun_path); - } - - if (server) listen(fd, 5); - - init_sock(sock, fd); - if (server) { - GetOpenFile(sock, fptr); - fptr->pathv = rb_str_new_frozen(path); - } - - return sock; -} -#endif - -/* - * call-seq: - * ipsocket.addr => [address_family, port, hostname, numeric_address] - * - * Returns the local address as an array which contains - * address_family, port, hostname and numeric_address. - * - * hostname is obtained from numeric_address using reverse lookup. - * If ipsocket.do_not_reverse_lookup is true, - * hostname is same as numeric_address. - * - * TCPSocket.open("www.ruby-lang.org", 80) {|sock| - * p sock.addr #=> ["AF_INET", 49429, "hal", "192.168.0.128"] - * } - * - */ -static VALUE -ip_addr(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_storage addr; - socklen_t len = sizeof addr; - - GetOpenFile(sock, fptr); - - if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getsockname(2)"); - return ipaddr((struct sockaddr*)&addr, fptr->mode & FMODE_NOREVLOOKUP); -} - -/* - * call-seq: - * ipsocket.peeraddr => [address_family, port, hostname, numeric_address] - * - * Returns the remote address as an array which contains - * address_family, port, hostname and numeric_address. - * It is defined for connection oritented socket such as TCPSocket. - * - * TCPSocket.open("www.ruby-lang.org", 80) {|sock| - * p sock.peeraddr #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] - * } - * - */ -static VALUE -ip_peeraddr(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_storage addr; - socklen_t len = sizeof addr; - - GetOpenFile(sock, fptr); - - if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getpeername(2)"); - return ipaddr((struct sockaddr*)&addr, fptr->mode & FMODE_NOREVLOOKUP); -} - -/* - * call-seq: - * ipsocket.recvfrom(maxlen) => [mesg, ipaddr] - * ipsocket.recvfrom(maxlen, flags) => [mesg, ipaddr] - * - * Receives a message and return the message as a string and - * an address which the message come from. - * - * _maxlen_ is the maximum number of bytes to receive. - * - * _flags_ should be a bitwise OR of Socket::MSG_* constants. - * - * ipaddr is same as IPSocket#{peeraddr,addr}. - * - * u1 = UDPSocket.new - * u1.bind("127.0.0.1", 4913) - * u2 = UDPSocket.new - * u2.send "uuuu", 0, "127.0.0.1", 4913 - * p u1.recvfrom(10) #=> ["uuuu", ["AF_INET", 33230, "localhost", "127.0.0.1"]] - * - */ -static VALUE -ip_recvfrom(int argc, VALUE *argv, VALUE sock) -{ - return s_recvfrom(sock, argc, argv, RECV_IP); -} - -/* - * call-seq: - * IPSocket.getaddress(host) => ipaddress - * - * Lookups IP address of _host_. - * - * IPSocket.getaddress("localhost") #=> "127.0.0.1" - * IPSocket.getaddress("ip6-localhost") #=> "::1" - * - */ -static VALUE -ip_s_getaddress(VALUE obj, VALUE host) -{ - struct sockaddr_storage addr; - struct addrinfo *res = sock_addrinfo(host, Qnil, SOCK_STREAM, 0); - - /* just take the first one */ - memcpy(&addr, res->ai_addr, res->ai_addrlen); - freeaddrinfo(res); - - return make_ipaddr((struct sockaddr*)&addr); -} - -/* - * call-seq: - * UDPSocket.new([address_family]) => socket - * - * Creates a new UDPSocket object. - * - * _address_family_ should be an integer, a string or a symbol: - * Socket::AF_INET, "AF_INET", :INET, etc. - * - * UDPSocket.new #=> #<UDPSocket:fd 3> - * UDPSocket.new(Socket::AF_INET6) #=> #<UDPSocket:fd 4> - * - */ -static VALUE -udp_init(int argc, VALUE *argv, VALUE sock) -{ - VALUE arg; - int family = AF_INET; - int fd; - - rb_secure(3); - if (rb_scan_args(argc, argv, "01", &arg) == 1) { - family = family_arg(arg); - } - fd = ruby_socket(family, SOCK_DGRAM, 0); - if (fd < 0) { - rb_sys_fail("socket(2) - udp"); - } - - return init_sock(sock, fd); -} - -struct udp_arg -{ - struct addrinfo *res; - int fd; -}; - -static VALUE -udp_connect_internal(struct udp_arg *arg) -{ - int fd = arg->fd; - struct addrinfo *res; - - for (res = arg->res; res; res = res->ai_next) { - if (ruby_connect(fd, res->ai_addr, res->ai_addrlen, 0) >= 0) { - return Qtrue; - } - } - return Qfalse; -} - -/* - * call-seq: - * udpsocket.connect(host, port) => 0 - * - * Connects _udpsocket_ to _host_:_port_. - * - * This makes possible to send without destination address. - * - * u1 = UDPSocket.new - * u1.bind("127.0.0.1", 4913) - * u2 = UDPSocket.new - * u2.connect("127.0.0.1", 4913) - * u2.send "uuuu", 0 - * p u1.recvfrom(10) #=> ["uuuu", ["AF_INET", 33230, "localhost", "127.0.0.1"]] - * - */ -static VALUE -udp_connect(VALUE sock, VALUE host, VALUE port) -{ - rb_io_t *fptr; - struct udp_arg arg; - VALUE ret; - - rb_secure(3); - arg.res = sock_addrinfo(host, port, SOCK_DGRAM, 0); - GetOpenFile(sock, fptr); - arg.fd = fptr->fd; - ret = rb_ensure(udp_connect_internal, (VALUE)&arg, - RUBY_METHOD_FUNC(freeaddrinfo), (VALUE)arg.res); - if (!ret) rb_sys_fail("connect(2)"); - return INT2FIX(0); -} - -/* - * call-seq: - * udpsocket.bind(host, port) #=> 0 - * - * Binds _udpsocket_ to _host_:_port_. - * - * u1 = UDPSocket.new - * u1.bind("127.0.0.1", 4913) - * u1.send "message-to-self", 0, "127.0.0.1", 4913 - * p u1.recvfrom(10) #=> ["message-to", ["AF_INET", 4913, "localhost", "127.0.0.1"]] - * - */ -static VALUE -udp_bind(VALUE sock, VALUE host, VALUE port) -{ - rb_io_t *fptr; - struct addrinfo *res0, *res; - - rb_secure(3); - res0 = sock_addrinfo(host, port, SOCK_DGRAM, 0); - GetOpenFile(sock, fptr); - for (res = res0; res; res = res->ai_next) { - if (bind(fptr->fd, res->ai_addr, res->ai_addrlen) < 0) { - continue; - } - freeaddrinfo(res0); - return INT2FIX(0); - } - freeaddrinfo(res0); - rb_sys_fail("bind(2)"); - return INT2FIX(0); -} - -/* - * call-seq: - * udpsocket.send(mesg, flags, host, port) => numbytes_sent - * udpsocket.send(mesg, flags, sockaddr_to) => numbytes_sent - * udpsocket.send(mesg, flags) => numbytes_sent - * - * Sends _mesg_ via _udpsocket_. - * - * _flags_ should be a bitwise OR of Socket::MSG_* constants. - * - * u1 = UDPSocket.new - * u1.bind("127.0.0.1", 4913) - * - * u2 = UDPSocket.new - * u2.send "hi", 0, "127.0.0.1", 4913 - * - * mesg, addr = u1.recvfrom(10) - * u1.send mesg, 0, addr[3], addr[1] - * - * p u2.recv(100) #=> "hi" - * - */ -static VALUE -udp_send(int argc, VALUE *argv, VALUE sock) -{ - VALUE flags, host, port; - rb_io_t *fptr; - int n; - struct addrinfo *res0, *res; - struct send_arg arg; - - if (argc == 2 || argc == 3) { - return bsock_send(argc, argv, sock); - } - rb_secure(4); - rb_scan_args(argc, argv, "4", &arg.mesg, &flags, &host, &port); - - StringValue(arg.mesg); - res0 = sock_addrinfo(host, port, SOCK_DGRAM, 0); - GetOpenFile(sock, fptr); - arg.fd = fptr->fd; - arg.flags = NUM2INT(flags); - for (res = res0; res; res = res->ai_next) { - retry: - arg.to = res->ai_addr; - arg.tolen = res->ai_addrlen; - rb_thread_fd_writable(arg.fd); - n = (int)BLOCKING_REGION(sendto_blocking, &arg); - if (n >= 0) { - freeaddrinfo(res0); - return INT2FIX(n); - } - if (rb_io_wait_writable(fptr->fd)) { - goto retry; - } - } - freeaddrinfo(res0); - rb_sys_fail("sendto(2)"); - return INT2FIX(n); -} - -/* - * call-seq: - * udpsocket.recvfrom_nonblock(maxlen) => [mesg, sender_inet_addr] - * udpsocket.recvfrom_nonblock(maxlen, flags) => [mesg, sender_inet_addr] - * - * Receives up to _maxlen_ bytes from +udpsocket+ using recvfrom(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * If _maxlen_ is ommitted, its default value is 65536. - * _flags_ is zero or more of the +MSG_+ options. - * The first element of the results, _mesg_, is the data received. - * The second element, _sender_inet_addr_, is an array to represent the sender address. - * - * When recvfrom(2) returns 0, - * Socket#recvfrom_nonblock returns an empty string as data. - * It means an empty packet. - * - * === Parameters - * * +maxlen+ - the number of bytes to receive from the socket - * * +flags+ - zero or more of the +MSG_+ options - * - * === Example - * require 'socket' - * s1 = UDPSocket.new - * s1.bind("127.0.0.1", 0) - * s2 = UDPSocket.new - * s2.bind("127.0.0.1", 0) - * s2.connect(*s1.addr.values_at(3,1)) - * s1.connect(*s2.addr.values_at(3,1)) - * s1.send "aaa", 0 - * IO.select([s2]) # emulate blocking recvfrom - * p s2.recvfrom_nonblock(10) #=> ["aaa", ["AF_INET", 33302, "localhost.localdomain", "127.0.0.1"]] - * - * Refer to Socket#recvfrom for the exceptions that may be thrown if the call - * to _recvfrom_nonblock_ fails. - * - * UDPSocket#recvfrom_nonblock may raise any error corresponding to recvfrom(2) failure, - * including Errno::EWOULDBLOCK. - * - * === See - * * Socket#recvfrom - */ -static VALUE -udp_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock) -{ - return s_recvfrom_nonblock(sock, argc, argv, RECV_IP); -} - -#ifdef HAVE_SYS_UN_H -/* - * call-seq: - * UNIXSocket.new(path) => unixsocket - * - * Creates a new UNIX client socket connected to _path_. - * - * s = UNIXSocket.new("/tmp/sock") - * s.send "hello", 0 - * - */ -static VALUE -unix_init(VALUE sock, VALUE path) -{ - return init_unixsock(sock, path, 0); -} - -static const char* -unixpath(struct sockaddr_un *sockaddr, socklen_t len) -{ - if (sockaddr->sun_path < (char*)sockaddr + len) - return sockaddr->sun_path; - else - return ""; -} - -/* - * call-seq: - * unixsocket.path => path - * - * Returns the path of the local address of unixsocket. - * - * s = UNIXServer.new("/tmp/sock") - * p s.path #=> "/tmp/sock" - * - */ -static VALUE -unix_path(VALUE sock) -{ - rb_io_t *fptr; - - GetOpenFile(sock, fptr); - if (NIL_P(fptr->pathv)) { - struct sockaddr_un addr; - socklen_t len = sizeof(addr); - if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail(0); - fptr->pathv = rb_obj_freeze(rb_str_new_cstr(unixpath(&addr, len))); - } - return rb_str_dup(fptr->pathv); -} - -/* - * call-seq: - * UNIXServer.new(path) => unixserver - * - * Creates a new UNIX server socket bound to _path_. - * - * serv = UNIXServer.new("/tmp/sock") - * s = serv.accept - * p s.read - */ -static VALUE -unix_svr_init(VALUE sock, VALUE path) -{ - return init_unixsock(sock, path, 1); -} - -/* - * call-seq: - * unixsocket.recvfrom(maxlen [, flags]) => [mesg, unixaddress] - * - * Receives a message via _unixsocket_. - * - * _maxlen_ is the maximum number of bytes to receive. - * - * _flags_ should be a bitwise OR of Socket::MSG_* constants. - * - * s1 = Socket.new(:UNIX, :DGRAM, 0) - * s1_ai = AddrInfo.unix("/tmp/sock1") - * s1.bind(s1_ai) - * - * s2 = Socket.new(:UNIX, :DGRAM, 0) - * s2_ai = AddrInfo.unix("/tmp/sock2") - * s2.bind(s2_ai) - * s3 = UNIXSocket.for_fd(s2.fileno) - * - * s1.send "a", 0, s2_ai - * p s3.recvfrom(10) #=> ["a", ["AF_UNIX", "/tmp/sock1"]] - * - */ -static VALUE -unix_recvfrom(int argc, VALUE *argv, VALUE sock) -{ - return s_recvfrom(sock, argc, argv, RECV_UNIX); -} - -#if defined(HAVE_ST_MSG_CONTROL) && defined(SCM_RIGHTS) -#define FD_PASSING_BY_MSG_CONTROL 1 -#else -#define FD_PASSING_BY_MSG_CONTROL 0 -#endif - -#if defined(HAVE_ST_MSG_ACCRIGHTS) -#define FD_PASSING_BY_MSG_ACCRIGHTS 1 -#else -#define FD_PASSING_BY_MSG_ACCRIGHTS 0 -#endif - -struct iomsg_arg { - int fd; - struct msghdr msg; -}; - -static VALUE -sendmsg_blocking(void *data) -{ - struct iomsg_arg *arg = data; - return sendmsg(arg->fd, &arg->msg, 0); -} - -/* - * call-seq: - * unixsocket.send_io(io) => nil - * - * Sends _io_ as file descriptor passing. - * - * s1, s2 = UNIXSocket.pair - * - * s1.send_io STDOUT - * stdout = s2.recv_io - * - * p STDOUT.fileno #=> 1 - * p stdout.fileno #=> 6 - * - * stdout.puts "hello" # outputs "hello\n" to standard output. - */ -static VALUE -unix_send_io(VALUE sock, VALUE val) -{ -#if defined(HAVE_SENDMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) - int fd; - rb_io_t *fptr; - struct iomsg_arg arg; - struct iovec vec[1]; - char buf[1]; - -#if FD_PASSING_BY_MSG_CONTROL - struct { - struct cmsghdr hdr; - char pad[8+sizeof(int)+8]; - } cmsg; -#endif - - if (rb_obj_is_kind_of(val, rb_cIO)) { - rb_io_t *valfptr; - GetOpenFile(val, valfptr); - fd = valfptr->fd; - } - else if (FIXNUM_P(val)) { - fd = FIX2INT(val); - } - else { - rb_raise(rb_eTypeError, "neither IO nor file descriptor"); - } - - GetOpenFile(sock, fptr); - - arg.msg.msg_name = NULL; - arg.msg.msg_namelen = 0; - - /* Linux and Solaris doesn't work if msg_iov is NULL. */ - buf[0] = '\0'; - vec[0].iov_base = buf; - vec[0].iov_len = 1; - arg.msg.msg_iov = vec; - arg.msg.msg_iovlen = 1; - -#if FD_PASSING_BY_MSG_CONTROL - arg.msg.msg_control = (caddr_t)&cmsg; - arg.msg.msg_controllen = CMSG_LEN(sizeof(int)); - arg.msg.msg_flags = 0; - MEMZERO((char*)&cmsg, char, sizeof(cmsg)); - cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int)); - cmsg.hdr.cmsg_level = SOL_SOCKET; - cmsg.hdr.cmsg_type = SCM_RIGHTS; - *(int *)CMSG_DATA(&cmsg.hdr) = fd; -#else - arg.msg.msg_accrights = (caddr_t)&fd; - arg.msg.msg_accrightslen = sizeof(fd); -#endif - - arg.fd = fptr->fd; - rb_thread_fd_writable(arg.fd); - if ((int)BLOCKING_REGION(sendmsg_blocking, &arg) == -1) - rb_sys_fail("sendmsg(2)"); - - return Qnil; -#else - rb_notimplement(); - return Qnil; /* not reached */ -#endif -} - -static VALUE -recvmsg_blocking(void *data) -{ - struct iomsg_arg *arg = data; - return recvmsg(arg->fd, &arg->msg, 0); -} - -/* - * call-seq: - * unixsocket.recv_io([klass [, mode]]) => io - * - * UNIXServer.open("/tmp/sock") {|serv| - * UNIXSocket.open("/tmp/sock") {|c| - * s = serv.accept - * - * c.send_io STDOUT - * stdout = s.recv_io - * - * p STDOUT.fileno #=> 1 - * p stdout.fileno #=> 7 - * - * stdout.puts "hello" # outputs "hello\n" to standard output. - * } - * } - * - */ -static VALUE -unix_recv_io(int argc, VALUE *argv, VALUE sock) -{ -#if defined(HAVE_RECVMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) - VALUE klass, mode; - rb_io_t *fptr; - struct iomsg_arg arg; - struct iovec vec[2]; - char buf[1]; - - int fd; -#if FD_PASSING_BY_MSG_CONTROL - struct { - struct cmsghdr hdr; - char pad[8+sizeof(int)+8]; - } cmsg; -#endif - - rb_scan_args(argc, argv, "02", &klass, &mode); - if (argc == 0) - klass = rb_cIO; - if (argc <= 1) - mode = Qnil; - - GetOpenFile(sock, fptr); - - arg.msg.msg_name = NULL; - arg.msg.msg_namelen = 0; - - vec[0].iov_base = buf; - vec[0].iov_len = sizeof(buf); - arg.msg.msg_iov = vec; - arg.msg.msg_iovlen = 1; - -#if FD_PASSING_BY_MSG_CONTROL - arg.msg.msg_control = (caddr_t)&cmsg; - arg.msg.msg_controllen = CMSG_SPACE(sizeof(int)); - arg.msg.msg_flags = 0; - cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int)); - cmsg.hdr.cmsg_level = SOL_SOCKET; - cmsg.hdr.cmsg_type = SCM_RIGHTS; - *(int *)CMSG_DATA(&cmsg.hdr) = -1; -#else - arg.msg.msg_accrights = (caddr_t)&fd; - arg.msg.msg_accrightslen = sizeof(fd); - fd = -1; -#endif - - arg.fd = fptr->fd; - rb_thread_wait_fd(arg.fd); - if ((int)BLOCKING_REGION(recvmsg_blocking, &arg) == -1) - rb_sys_fail("recvmsg(2)"); - -#if FD_PASSING_BY_MSG_CONTROL - if (arg.msg.msg_controllen < CMSG_LEN(sizeof(int))) { - rb_raise(rb_eSocket, - "file descriptor was not passed (msg_controllen=%d smaller than CMSG_LEN(sizeof(int))=%d)", - (int)arg.msg.msg_controllen, (int)CMSG_LEN(sizeof(int))); - } - if (CMSG_SPACE(sizeof(int)) < arg.msg.msg_controllen) { - rb_raise(rb_eSocket, - "file descriptor was not passed (msg_controllen=%d bigger than CMSG_SPACE(sizeof(int))=%d)", - (int)arg.msg.msg_controllen, (int)CMSG_SPACE(sizeof(int))); - } - if (cmsg.hdr.cmsg_len != CMSG_LEN(sizeof(int))) { - rb_raise(rb_eSocket, - "file descriptor was not passed (cmsg_len=%d, %d expected)", - (int)cmsg.hdr.cmsg_len, (int)CMSG_LEN(sizeof(int))); - } - if (cmsg.hdr.cmsg_level != SOL_SOCKET) { - rb_raise(rb_eSocket, - "file descriptor was not passed (cmsg_level=%d, %d expected)", - cmsg.hdr.cmsg_level, SOL_SOCKET); - } - if (cmsg.hdr.cmsg_type != SCM_RIGHTS) { - rb_raise(rb_eSocket, - "file descriptor was not passed (cmsg_type=%d, %d expected)", - cmsg.hdr.cmsg_type, SCM_RIGHTS); - } -#else - if (arg.msg.msg_accrightslen != sizeof(fd)) { - rb_raise(rb_eSocket, - "file descriptor was not passed (accrightslen) : %d != %d", - arg.msg.msg_accrightslen, (int)sizeof(fd)); - } -#endif - -#if FD_PASSING_BY_MSG_CONTROL - fd = *(int *)CMSG_DATA(&cmsg.hdr); -#endif - - if (klass == Qnil) - return INT2FIX(fd); - else { - ID for_fd; - int ff_argc; - VALUE ff_argv[2]; - CONST_ID(for_fd, "for_fd"); - ff_argc = mode == Qnil ? 1 : 2; - ff_argv[0] = INT2FIX(fd); - ff_argv[1] = mode; - return rb_funcall2(klass, for_fd, ff_argc, ff_argv); - } -#else - rb_notimplement(); - return Qnil; /* not reached */ -#endif -} - -/* - * call-seq: - * unixserver.accept => unixsocket - * - * Accepts a new connection. - * It returns new UNIXSocket object. - * - * UNIXServer.open("/tmp/sock") {|serv| - * UNIXSocket.open("/tmp/sock") {|c| - * s = serv.accept - * s.puts "hi" - * s.close - * p c.read #=> "hi\n" - * } - * } - * - */ -static VALUE -unix_accept(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_un from; - socklen_t fromlen; - - GetOpenFile(sock, fptr); - fromlen = sizeof(struct sockaddr_un); - return s_accept(rb_cUNIXSocket, fptr->fd, - (struct sockaddr*)&from, &fromlen); -} - -/* - * call-seq: - * unixserver.accept_nonblock => unixsocket - * - * Accepts an incoming connection using accept(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * It returns an accepted UNIXSocket for the incoming connection. - * - * === Example - * require 'socket' - * serv = UNIXServer.new("/tmp/sock") - * begin # emulate blocking accept - * sock = serv.accept_nonblock - * rescue Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::ECONNABORTED, Errno::EPROTO, Errno::EINTR - * IO.select([serv]) - * retry - * end - * # sock is an accepted socket. - * - * Refer to Socket#accept for the exceptions that may be thrown if the call - * to UNIXServer#accept_nonblock fails. - * - * UNIXServer#accept_nonblock may raise any error corresponding to accept(2) failure, - * including Errno::EWOULDBLOCK. - * - * === See - * * UNIXServer#accept - * * Socket#accept - */ -static VALUE -unix_accept_nonblock(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_un from; - socklen_t fromlen; - - GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return s_accept_nonblock(rb_cUNIXSocket, fptr, - (struct sockaddr *)&from, &fromlen); -} - -/* - * call-seq: - * unixserver.sysaccept => file_descriptor - * - * Accepts a new connection. - * It returns the new file descriptor which is an integer. - * - * UNIXServer.open("/tmp/sock") {|serv| - * UNIXSocket.open("/tmp/sock") {|c| - * fd = serv.sysaccept - * s = IO.new(fd) - * s.puts "hi" - * s.close - * p c.read #=> "hi\n" - * } - * } - * - */ -static VALUE -unix_sysaccept(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_un from; - socklen_t fromlen; - - GetOpenFile(sock, fptr); - fromlen = sizeof(struct sockaddr_un); - return s_accept(0, fptr->fd, (struct sockaddr*)&from, &fromlen); -} - -static VALUE -unixaddr(struct sockaddr_un *sockaddr, socklen_t len) -{ - return rb_assoc_new(rb_str_new2("AF_UNIX"), - rb_str_new2(unixpath(sockaddr, len))); -} - -/* - * call-seq: - * unixsocket.addr => [address_family, unix_path] - * - * Returns the local address as an array which contains - * address_family and unix_path. - * - * Example - * serv = UNIXServer.new("/tmp/sock") - * p serv.addr #=> ["AF_UNIX", "/tmp/sock"] - */ -static VALUE -unix_addr(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_un addr; - socklen_t len = sizeof addr; - - GetOpenFile(sock, fptr); - - if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getsockname(2)"); - return unixaddr(&addr, len); -} - -/* - * call-seq: - * unixsocket.peeraddr => [address_family, unix_path] - * - * Returns the remote address as an array which contains - * address_family and unix_path. - * - * Example - * serv = UNIXServer.new("/tmp/sock") - * c = UNIXSocket.new("/tmp/sock") - * p c.peeraddr #=> ["AF_UNIX", "/tmp/sock"] - */ -static VALUE -unix_peeraddr(VALUE sock) -{ - rb_io_t *fptr; - struct sockaddr_un addr; - socklen_t len = sizeof addr; - - GetOpenFile(sock, fptr); - - if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getpeername(2)"); - return unixaddr(&addr, len); -} -#endif +#include "rubysocket.h" static void setup_domain_and_type(VALUE domain, int *dv, VALUE type, int *tv) @@ -4127,7 +90,7 @@ pair_yield(VALUE pair) * p s2.recv(10) #=> "b" * */ -static VALUE +VALUE sock_s_socketpair(VALUE klass, VALUE domain, VALUE type, VALUE protocol) { #if defined HAVE_SOCKETPAIR @@ -4158,41 +121,6 @@ sock_s_socketpair(VALUE klass, VALUE domain, VALUE type, VALUE protocol) #endif } -#ifdef HAVE_SYS_UN_H -/* - * call-seq: - * UNIXSocket.pair([type [, protocol]]) => [unixsocket1, unixsocket2] - * UNIXSocket.socketpair([type [, protocol]]) => [unixsocket1, unixsocket2] - * - * Creates a pair of sockets connected each other. - * - * _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc. - * - * _protocol_ should be a protocol defined in the domain. - * 0 is default protocol for the domain. - * - * s1, s2 = UNIXSocket.pair - * s1.send "a", 0 - * s1.send "b", 0 - * p s2.recv(10) #=> "ab" - * - */ -static VALUE -unix_s_socketpair(int argc, VALUE *argv, VALUE klass) -{ - VALUE domain, type, protocol; - domain = INT2FIX(PF_UNIX); - - rb_scan_args(argc, argv, "02", &type, &protocol); - if (argc == 0) - type = INT2FIX(SOCK_STREAM); - if (argc <= 1) - protocol = INT2FIX(0); - - return sock_s_socketpair(klass, domain, type, protocol); -} -#endif - /* * call-seq: * socket.connect(server_sockaddr) => 0 @@ -4540,7 +468,7 @@ sock_bind(VALUE sock, VALUE addr) * * listen manual pages on unix-based systems * * listen function in Microsoft's Winsock functions reference */ -static VALUE +VALUE sock_listen(VALUE sock, VALUE log) { rb_io_t *fptr; @@ -5458,20 +1386,6 @@ sock_s_unpack_sockaddr_un(VALUE self, VALUE addr) } #endif -static void -sock_define_const(const char *name, int value, VALUE mConst) -{ - rb_define_const(rb_cSocket, name, INT2NUM(value)); - rb_define_const(mConst, name, INT2NUM(value)); -} - -static void -sock_define_uconst(const char *name, unsigned int value, VALUE mConst) -{ - rb_define_const(rb_cSocket, name, UINT2NUM(value)); - rb_define_const(mConst, name, UINT2NUM(value)); -} - /* * Class +Socket+ provides access to the underlying operating system * socket implementations. It can be used to provide more operating system @@ -5500,88 +1414,12 @@ sock_define_uconst(const char *name, unsigned int value, VALUE mConst) void Init_socket() { - VALUE mConst; - - rb_eSocket = rb_define_class("SocketError", rb_eStandardError); - - rb_cBasicSocket = rb_define_class("BasicSocket", rb_cIO); - rb_undef_method(rb_cBasicSocket, "initialize"); - - rb_define_singleton_method(rb_cBasicSocket, "do_not_reverse_lookup", - bsock_do_not_rev_lookup, 0); - rb_define_singleton_method(rb_cBasicSocket, "do_not_reverse_lookup=", - bsock_do_not_rev_lookup_set, 1); - rb_define_singleton_method(rb_cBasicSocket, "for_fd", bsock_s_for_fd, 1); - - rb_define_method(rb_cBasicSocket, "close_read", bsock_close_read, 0); - rb_define_method(rb_cBasicSocket, "close_write", bsock_close_write, 0); - rb_define_method(rb_cBasicSocket, "shutdown", bsock_shutdown, -1); - rb_define_method(rb_cBasicSocket, "setsockopt", bsock_setsockopt, 3); - rb_define_method(rb_cBasicSocket, "getsockopt", bsock_getsockopt, 2); - rb_define_method(rb_cBasicSocket, "getsockname", bsock_getsockname, 0); - rb_define_method(rb_cBasicSocket, "getpeername", bsock_getpeername, 0); - rb_define_method(rb_cBasicSocket, "local_address", bsock_local_address, 0); - rb_define_method(rb_cBasicSocket, "remote_address", bsock_remote_address, 0); - rb_define_method(rb_cBasicSocket, "send", bsock_send, -1); - rb_define_method(rb_cBasicSocket, "recv", bsock_recv, -1); - rb_define_method(rb_cBasicSocket, "recv_nonblock", bsock_recv_nonblock, -1); - rb_define_method(rb_cBasicSocket, "do_not_reverse_lookup", bsock_do_not_reverse_lookup, 0); - rb_define_method(rb_cBasicSocket, "do_not_reverse_lookup=", bsock_do_not_reverse_lookup_set, 1); - - rb_cIPSocket = rb_define_class("IPSocket", rb_cBasicSocket); - rb_define_method(rb_cIPSocket, "addr", ip_addr, 0); - rb_define_method(rb_cIPSocket, "peeraddr", ip_peeraddr, 0); - rb_define_method(rb_cIPSocket, "recvfrom", ip_recvfrom, -1); - rb_define_singleton_method(rb_cIPSocket, "getaddress", ip_s_getaddress, 1); - - rb_cTCPSocket = rb_define_class("TCPSocket", rb_cIPSocket); - rb_define_singleton_method(rb_cTCPSocket, "gethostbyname", tcp_s_gethostbyname, 1); - rb_define_method(rb_cTCPSocket, "initialize", tcp_init, -1); - -#ifdef SOCKS - rb_cSOCKSSocket = rb_define_class("SOCKSSocket", rb_cTCPSocket); - rb_define_method(rb_cSOCKSSocket, "initialize", socks_init, 2); -#ifdef SOCKS5 - rb_define_method(rb_cSOCKSSocket, "close", socks_s_close, 0); -#endif -#endif - - rb_cTCPServer = rb_define_class("TCPServer", rb_cTCPSocket); - rb_define_method(rb_cTCPServer, "accept", tcp_accept, 0); - rb_define_method(rb_cTCPServer, "accept_nonblock", tcp_accept_nonblock, 0); - rb_define_method(rb_cTCPServer, "sysaccept", tcp_sysaccept, 0); - rb_define_method(rb_cTCPServer, "initialize", tcp_svr_init, -1); - rb_define_method(rb_cTCPServer, "listen", sock_listen, 1); - - rb_cUDPSocket = rb_define_class("UDPSocket", rb_cIPSocket); - rb_define_method(rb_cUDPSocket, "initialize", udp_init, -1); - rb_define_method(rb_cUDPSocket, "connect", udp_connect, 2); - rb_define_method(rb_cUDPSocket, "bind", udp_bind, 2); - rb_define_method(rb_cUDPSocket, "send", udp_send, -1); - rb_define_method(rb_cUDPSocket, "recvfrom_nonblock", udp_recvfrom_nonblock, -1); - -#ifdef HAVE_SYS_UN_H - rb_cUNIXSocket = rb_define_class("UNIXSocket", rb_cBasicSocket); - rb_define_method(rb_cUNIXSocket, "initialize", unix_init, 1); - rb_define_method(rb_cUNIXSocket, "path", unix_path, 0); - rb_define_method(rb_cUNIXSocket, "addr", unix_addr, 0); - rb_define_method(rb_cUNIXSocket, "peeraddr", unix_peeraddr, 0); - rb_define_method(rb_cUNIXSocket, "recvfrom", unix_recvfrom, -1); - rb_define_method(rb_cUNIXSocket, "send_io", unix_send_io, 1); - rb_define_method(rb_cUNIXSocket, "recv_io", unix_recv_io, -1); - rb_define_singleton_method(rb_cUNIXSocket, "socketpair", unix_s_socketpair, -1); - rb_define_singleton_method(rb_cUNIXSocket, "pair", unix_s_socketpair, -1); - - rb_cUNIXServer = rb_define_class("UNIXServer", rb_cUNIXSocket); - rb_define_method(rb_cUNIXServer, "initialize", unix_svr_init, 1); - rb_define_method(rb_cUNIXServer, "accept", unix_accept, 0); - rb_define_method(rb_cUNIXServer, "accept_nonblock", unix_accept_nonblock, 0); - rb_define_method(rb_cUNIXServer, "sysaccept", unix_sysaccept, 0); - rb_define_method(rb_cUNIXServer, "listen", sock_listen, 1); -#endif + Init_basicsocket(); rb_cSocket = rb_define_class("Socket", rb_cBasicSocket); + Init_socket_init(); + rb_define_method(rb_cSocket, "initialize", sock_initialize, 3); rb_define_method(rb_cSocket, "connect", sock_connect, 1); rb_define_method(rb_cSocket, "connect_nonblock", sock_connect_nonblock, 1); @@ -5611,39 +1449,4 @@ Init_socket() rb_define_singleton_method(rb_cSocket, "pack_sockaddr_un", sock_s_pack_sockaddr_un, 1); rb_define_singleton_method(rb_cSocket, "unpack_sockaddr_un", sock_s_unpack_sockaddr_un, 1); #endif - - rb_cAddrInfo = rb_define_class("AddrInfo", rb_cData); - rb_define_alloc_func(rb_cAddrInfo, addrinfo_s_allocate); - rb_define_method(rb_cAddrInfo, "initialize", addrinfo_initialize, -1); - rb_define_method(rb_cAddrInfo, "inspect", addrinfo_inspect, 0); - rb_define_singleton_method(rb_cAddrInfo, "getaddrinfo", addrinfo_s_getaddrinfo, -1); - rb_define_singleton_method(rb_cAddrInfo, "ip", addrinfo_s_ip, 1); - rb_define_singleton_method(rb_cAddrInfo, "tcp", addrinfo_s_tcp, 2); - rb_define_singleton_method(rb_cAddrInfo, "udp", addrinfo_s_udp, 2); -#ifdef HAVE_SYS_UN_H - rb_define_singleton_method(rb_cAddrInfo, "unix", addrinfo_s_unix, 1); -#endif - - rb_define_method(rb_cAddrInfo, "afamily", addrinfo_afamily, 0); - rb_define_method(rb_cAddrInfo, "pfamily", addrinfo_pfamily, 0); - rb_define_method(rb_cAddrInfo, "socktype", addrinfo_socktype, 0); - rb_define_method(rb_cAddrInfo, "protocol", addrinfo_protocol, 0); - rb_define_method(rb_cAddrInfo, "canonname", addrinfo_canonname, 0); - - rb_define_method(rb_cAddrInfo, "ip?", addrinfo_ip_p, 0); - rb_define_method(rb_cAddrInfo, "ip_unpack", addrinfo_ip_unpack, 0); - rb_define_method(rb_cAddrInfo, "ipv4?", addrinfo_ipv4_p, 0); - rb_define_method(rb_cAddrInfo, "ipv6?", addrinfo_ipv6_p, 0); - rb_define_method(rb_cAddrInfo, "unix?", addrinfo_unix_p, 0); -#ifdef HAVE_SYS_UN_H - rb_define_method(rb_cAddrInfo, "unix_path", addrinfo_unix_path, 0); -#endif - - rb_define_method(rb_cAddrInfo, "to_sockaddr", addrinfo_to_sockaddr, 0); - - rb_define_method(rb_cAddrInfo, "getnameinfo", addrinfo_getnameinfo, -1); - - /* constants */ - mConst = rb_define_module_under(rb_cSocket, "Constants"); - init_constants(mConst); } diff --git a/ext/socket/sockssocket.c b/ext/socket/sockssocket.c new file mode 100644 index 0000000000..640ddd2f4d --- /dev/null +++ b/ext/socket/sockssocket.c @@ -0,0 +1,65 @@ +/************************************************ + + sockssocket.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +#if defined(SOCKS) && !defined(SOCKS5) +static VALUE +socks_connect_blocking(void *data) +{ + struct connect_arg *arg = data; + return (VALUE)Rconnect(arg->fd, arg->sockaddr, arg->len); +} +#endif + +#ifdef SOCKS +static VALUE +socks_init(VALUE sock, VALUE host, VALUE serv) +{ + static init = 0; + + if (init == 0) { + SOCKSinit("ruby"); + init = 1; + } + + return init_inetsock(sock, host, serv, Qnil, Qnil, INET_SOCKS); +} + +#ifdef SOCKS5 +static VALUE +socks_s_close(VALUE sock) +{ + rb_io_t *fptr; + + if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { + rb_raise(rb_eSecurityError, "Insecure: can't close socket"); + } + GetOpenFile(sock, fptr); + shutdown(fptr->fd, 2); + return rb_io_close(sock); +} +#endif +#endif + +/* + * SOCKSSocket class + */ +void +Init_sockssocket(void) +{ +#ifdef SOCKS + rb_cSOCKSSocket = rb_define_class("SOCKSSocket", rb_cTCPSocket); + rb_define_method(rb_cSOCKSSocket, "initialize", socks_init, 2); +#ifdef SOCKS5 + rb_define_method(rb_cSOCKSSocket, "close", socks_s_close, 0); +#endif +#endif +} diff --git a/ext/socket/tcpserver.c b/ext/socket/tcpserver.c new file mode 100644 index 0000000000..596a555daa --- /dev/null +++ b/ext/socket/tcpserver.c @@ -0,0 +1,141 @@ +/************************************************ + + tcpserver.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +/* + * call-seq: + * TCPServer.new([hostname,] port) => tcpserver + * + * Creates a new server socket bound to _port_. + * + * If _hostname_ is given, the socket is bound to it. + * + * serv = TCPServer.new("127.0.0.1", 28561) + * s = serv.accept + * s.puts Time.now + * s.close + */ +static VALUE +tcp_svr_init(int argc, VALUE *argv, VALUE sock) +{ + VALUE arg1, arg2; + + if (rb_scan_args(argc, argv, "11", &arg1, &arg2) == 2) + return init_inetsock(sock, arg1, arg2, Qnil, Qnil, INET_SERVER); + else + return init_inetsock(sock, Qnil, arg1, Qnil, Qnil, INET_SERVER); +} + +/* + * call-seq: + * tcpserver.accept => tcpsocket + * + * TCPServer.open("127.0.0.1", 14641) {|serv| + * s = serv.accept + * s.puts Time.now + * s.close + * } + * + */ +static VALUE +tcp_accept(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_storage from; + socklen_t fromlen; + + GetOpenFile(sock, fptr); + fromlen = sizeof(from); + return s_accept(rb_cTCPSocket, fptr->fd, + (struct sockaddr*)&from, &fromlen); +} + +/* + * call-seq: + * tcpserver.accept_nonblock => tcpsocket + * + * Accepts an incoming connection using accept(2) after + * O_NONBLOCK is set for the underlying file descriptor. + * It returns an accepted TCPSocket for the incoming connection. + * + * === Example + * require 'socket' + * serv = TCPServer.new(2202) + * begin # emulate blocking accept + * sock = serv.accept_nonblock + * rescue Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::ECONNABORTED, Errno::EPROTO, Errno::EINTR + * IO.select([serv]) + * retry + * end + * # sock is an accepted socket. + * + * Refer to Socket#accept for the exceptions that may be thrown if the call + * to TCPServer#accept_nonblock fails. + * + * TCPServer#accept_nonblock may raise any error corresponding to accept(2) failure, + * including Errno::EWOULDBLOCK. + * + * === See + * * TCPServer#accept + * * Socket#accept + */ +static VALUE +tcp_accept_nonblock(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_storage from; + socklen_t fromlen; + + GetOpenFile(sock, fptr); + fromlen = sizeof(from); + return s_accept_nonblock(rb_cTCPSocket, fptr, + (struct sockaddr *)&from, &fromlen); +} + +/* + * call-seq: + * tcpserver.sysaccept => file_descriptor + * + * Returns a file descriptor of a accepted connection. + * + * TCPServer.open("127.0.0.1", 28561) {|serv| + * fd = serv.sysaccept + * s = IO.for_fd(fd) + * s.puts Time.now + * s.close + * } + * + */ +static VALUE +tcp_sysaccept(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_storage from; + socklen_t fromlen; + + GetOpenFile(sock, fptr); + fromlen = sizeof(from); + return s_accept(0, fptr->fd, (struct sockaddr*)&from, &fromlen); +} + +/* + * TCPServer class + */ +void +Init_tcpserver(void) +{ + rb_cTCPServer = rb_define_class("TCPServer", rb_cTCPSocket); + rb_define_method(rb_cTCPServer, "accept", tcp_accept, 0); + rb_define_method(rb_cTCPServer, "accept_nonblock", tcp_accept_nonblock, 0); + rb_define_method(rb_cTCPServer, "sysaccept", tcp_sysaccept, 0); + rb_define_method(rb_cTCPServer, "initialize", tcp_svr_init, -1); + rb_define_method(rb_cTCPServer, "listen", sock_listen, 1); +} diff --git a/ext/socket/tcpsocket.c b/ext/socket/tcpsocket.c new file mode 100644 index 0000000000..76d938aaf4 --- /dev/null +++ b/ext/socket/tcpsocket.c @@ -0,0 +1,67 @@ +/************************************************ + + tcpsocket.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +/* + * call-seq: + * TCPSocket.new(remote_host, remote_port, local_host=nil, local_port=nil) + * + * Opens a TCP connection to +remote_host+ on +remote_port+. If +local_host+ + * and +local_port+ are specified, then those parameters are used on the local + * end to establish the connection. + */ +static VALUE +tcp_init(int argc, VALUE *argv, VALUE sock) +{ + VALUE remote_host, remote_serv; + VALUE local_host, local_serv; + + rb_scan_args(argc, argv, "22", &remote_host, &remote_serv, + &local_host, &local_serv); + + return init_inetsock(sock, remote_host, remote_serv, + local_host, local_serv, INET_CLIENT); +} + +static VALUE +tcp_sockaddr(struct sockaddr *addr, size_t len) +{ + return make_ipaddr(addr); +} + +/* + * call-seq: + * TCPSocket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list] + * + * Lookups host information by _hostname_. + * + * TCPSocket.gethostbyname("localhost") + * #=> ["localhost", ["hal"], 2, "127.0.0.1"] + * + */ +static VALUE +tcp_s_gethostbyname(VALUE obj, VALUE host) +{ + rb_secure(3); + return make_hostent(host, sock_addrinfo(host, Qnil, SOCK_STREAM, AI_CANONNAME), + tcp_sockaddr); +} + +/* + * TCPSocket class + */ +void +Init_tcpsocket(void) +{ + rb_cTCPSocket = rb_define_class("TCPSocket", rb_cIPSocket); + rb_define_singleton_method(rb_cTCPSocket, "gethostbyname", tcp_s_gethostbyname, 1); + rb_define_method(rb_cTCPSocket, "initialize", tcp_init, -1); +} diff --git a/ext/socket/udpsocket.c b/ext/socket/udpsocket.c new file mode 100644 index 0000000000..77fde987c4 --- /dev/null +++ b/ext/socket/udpsocket.c @@ -0,0 +1,252 @@ +/************************************************ + + udpsocket.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +/* + * call-seq: + * UDPSocket.new([address_family]) => socket + * + * Creates a new UDPSocket object. + * + * _address_family_ should be an integer, a string or a symbol: + * Socket::AF_INET, "AF_INET", :INET, etc. + * + * UDPSocket.new #=> #<UDPSocket:fd 3> + * UDPSocket.new(Socket::AF_INET6) #=> #<UDPSocket:fd 4> + * + */ +static VALUE +udp_init(int argc, VALUE *argv, VALUE sock) +{ + VALUE arg; + int family = AF_INET; + int fd; + + rb_secure(3); + if (rb_scan_args(argc, argv, "01", &arg) == 1) { + family = family_arg(arg); + } + fd = ruby_socket(family, SOCK_DGRAM, 0); + if (fd < 0) { + rb_sys_fail("socket(2) - udp"); + } + + return init_sock(sock, fd); +} + +struct udp_arg +{ + struct addrinfo *res; + int fd; +}; + +static VALUE +udp_connect_internal(struct udp_arg *arg) +{ + int fd = arg->fd; + struct addrinfo *res; + + for (res = arg->res; res; res = res->ai_next) { + if (ruby_connect(fd, res->ai_addr, res->ai_addrlen, 0) >= 0) { + return Qtrue; + } + } + return Qfalse; +} + +/* + * call-seq: + * udpsocket.connect(host, port) => 0 + * + * Connects _udpsocket_ to _host_:_port_. + * + * This makes possible to send without destination address. + * + * u1 = UDPSocket.new + * u1.bind("127.0.0.1", 4913) + * u2 = UDPSocket.new + * u2.connect("127.0.0.1", 4913) + * u2.send "uuuu", 0 + * p u1.recvfrom(10) #=> ["uuuu", ["AF_INET", 33230, "localhost", "127.0.0.1"]] + * + */ +static VALUE +udp_connect(VALUE sock, VALUE host, VALUE port) +{ + rb_io_t *fptr; + struct udp_arg arg; + VALUE ret; + + rb_secure(3); + arg.res = sock_addrinfo(host, port, SOCK_DGRAM, 0); + GetOpenFile(sock, fptr); + arg.fd = fptr->fd; + ret = rb_ensure(udp_connect_internal, (VALUE)&arg, + RUBY_METHOD_FUNC(freeaddrinfo), (VALUE)arg.res); + if (!ret) rb_sys_fail("connect(2)"); + return INT2FIX(0); +} + +/* + * call-seq: + * udpsocket.bind(host, port) #=> 0 + * + * Binds _udpsocket_ to _host_:_port_. + * + * u1 = UDPSocket.new + * u1.bind("127.0.0.1", 4913) + * u1.send "message-to-self", 0, "127.0.0.1", 4913 + * p u1.recvfrom(10) #=> ["message-to", ["AF_INET", 4913, "localhost", "127.0.0.1"]] + * + */ +static VALUE +udp_bind(VALUE sock, VALUE host, VALUE port) +{ + rb_io_t *fptr; + struct addrinfo *res0, *res; + + rb_secure(3); + res0 = sock_addrinfo(host, port, SOCK_DGRAM, 0); + GetOpenFile(sock, fptr); + for (res = res0; res; res = res->ai_next) { + if (bind(fptr->fd, res->ai_addr, res->ai_addrlen) < 0) { + continue; + } + freeaddrinfo(res0); + return INT2FIX(0); + } + freeaddrinfo(res0); + rb_sys_fail("bind(2)"); + return INT2FIX(0); +} + +/* + * call-seq: + * udpsocket.send(mesg, flags, host, port) => numbytes_sent + * udpsocket.send(mesg, flags, sockaddr_to) => numbytes_sent + * udpsocket.send(mesg, flags) => numbytes_sent + * + * Sends _mesg_ via _udpsocket_. + * + * _flags_ should be a bitwise OR of Socket::MSG_* constants. + * + * u1 = UDPSocket.new + * u1.bind("127.0.0.1", 4913) + * + * u2 = UDPSocket.new + * u2.send "hi", 0, "127.0.0.1", 4913 + * + * mesg, addr = u1.recvfrom(10) + * u1.send mesg, 0, addr[3], addr[1] + * + * p u2.recv(100) #=> "hi" + * + */ +static VALUE +udp_send(int argc, VALUE *argv, VALUE sock) +{ + VALUE flags, host, port; + rb_io_t *fptr; + int n; + struct addrinfo *res0, *res; + struct send_arg arg; + + if (argc == 2 || argc == 3) { + return bsock_send(argc, argv, sock); + } + rb_secure(4); + rb_scan_args(argc, argv, "4", &arg.mesg, &flags, &host, &port); + + StringValue(arg.mesg); + res0 = sock_addrinfo(host, port, SOCK_DGRAM, 0); + GetOpenFile(sock, fptr); + arg.fd = fptr->fd; + arg.flags = NUM2INT(flags); + for (res = res0; res; res = res->ai_next) { + retry: + arg.to = res->ai_addr; + arg.tolen = res->ai_addrlen; + rb_thread_fd_writable(arg.fd); + n = (int)BLOCKING_REGION(sendto_blocking, &arg); + if (n >= 0) { + freeaddrinfo(res0); + return INT2FIX(n); + } + if (rb_io_wait_writable(fptr->fd)) { + goto retry; + } + } + freeaddrinfo(res0); + rb_sys_fail("sendto(2)"); + return INT2FIX(n); +} + +/* + * call-seq: + * udpsocket.recvfrom_nonblock(maxlen) => [mesg, sender_inet_addr] + * udpsocket.recvfrom_nonblock(maxlen, flags) => [mesg, sender_inet_addr] + * + * Receives up to _maxlen_ bytes from +udpsocket+ using recvfrom(2) after + * O_NONBLOCK is set for the underlying file descriptor. + * If _maxlen_ is ommitted, its default value is 65536. + * _flags_ is zero or more of the +MSG_+ options. + * The first element of the results, _mesg_, is the data received. + * The second element, _sender_inet_addr_, is an array to represent the sender address. + * + * When recvfrom(2) returns 0, + * Socket#recvfrom_nonblock returns an empty string as data. + * It means an empty packet. + * + * === Parameters + * * +maxlen+ - the number of bytes to receive from the socket + * * +flags+ - zero or more of the +MSG_+ options + * + * === Example + * require 'socket' + * s1 = UDPSocket.new + * s1.bind("127.0.0.1", 0) + * s2 = UDPSocket.new + * s2.bind("127.0.0.1", 0) + * s2.connect(*s1.addr.values_at(3,1)) + * s1.connect(*s2.addr.values_at(3,1)) + * s1.send "aaa", 0 + * IO.select([s2]) # emulate blocking recvfrom + * p s2.recvfrom_nonblock(10) #=> ["aaa", ["AF_INET", 33302, "localhost.localdomain", "127.0.0.1"]] + * + * Refer to Socket#recvfrom for the exceptions that may be thrown if the call + * to _recvfrom_nonblock_ fails. + * + * UDPSocket#recvfrom_nonblock may raise any error corresponding to recvfrom(2) failure, + * including Errno::EWOULDBLOCK. + * + * === See + * * Socket#recvfrom + */ +static VALUE +udp_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock) +{ + return s_recvfrom_nonblock(sock, argc, argv, RECV_IP); +} + +/* + * UDPSocket class + */ +void +Init_udpsocket(void) +{ + rb_cUDPSocket = rb_define_class("UDPSocket", rb_cIPSocket); + rb_define_method(rb_cUDPSocket, "initialize", udp_init, -1); + rb_define_method(rb_cUDPSocket, "connect", udp_connect, 2); + rb_define_method(rb_cUDPSocket, "bind", udp_bind, 2); + rb_define_method(rb_cUDPSocket, "send", udp_send, -1); + rb_define_method(rb_cUDPSocket, "recvfrom_nonblock", udp_recvfrom_nonblock, -1); +} + diff --git a/ext/socket/unixserver.c b/ext/socket/unixserver.c new file mode 100644 index 0000000000..74d91872eb --- /dev/null +++ b/ext/socket/unixserver.c @@ -0,0 +1,148 @@ +/************************************************ + + unixserver.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +#ifdef HAVE_SYS_UN_H +/* + * call-seq: + * UNIXServer.new(path) => unixserver + * + * Creates a new UNIX server socket bound to _path_. + * + * serv = UNIXServer.new("/tmp/sock") + * s = serv.accept + * p s.read + */ +static VALUE +unix_svr_init(VALUE sock, VALUE path) +{ + return init_unixsock(sock, path, 1); +} + +/* + * call-seq: + * unixserver.accept => unixsocket + * + * Accepts a new connection. + * It returns new UNIXSocket object. + * + * UNIXServer.open("/tmp/sock") {|serv| + * UNIXSocket.open("/tmp/sock") {|c| + * s = serv.accept + * s.puts "hi" + * s.close + * p c.read #=> "hi\n" + * } + * } + * + */ +static VALUE +unix_accept(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_un from; + socklen_t fromlen; + + GetOpenFile(sock, fptr); + fromlen = sizeof(struct sockaddr_un); + return s_accept(rb_cUNIXSocket, fptr->fd, + (struct sockaddr*)&from, &fromlen); +} + +/* + * call-seq: + * unixserver.accept_nonblock => unixsocket + * + * Accepts an incoming connection using accept(2) after + * O_NONBLOCK is set for the underlying file descriptor. + * It returns an accepted UNIXSocket for the incoming connection. + * + * === Example + * require 'socket' + * serv = UNIXServer.new("/tmp/sock") + * begin # emulate blocking accept + * sock = serv.accept_nonblock + * rescue Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::ECONNABORTED, Errno::EPROTO, Errno::EINTR + * IO.select([serv]) + * retry + * end + * # sock is an accepted socket. + * + * Refer to Socket#accept for the exceptions that may be thrown if the call + * to UNIXServer#accept_nonblock fails. + * + * UNIXServer#accept_nonblock may raise any error corresponding to accept(2) failure, + * including Errno::EWOULDBLOCK. + * + * === See + * * UNIXServer#accept + * * Socket#accept + */ +static VALUE +unix_accept_nonblock(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_un from; + socklen_t fromlen; + + GetOpenFile(sock, fptr); + fromlen = sizeof(from); + return s_accept_nonblock(rb_cUNIXSocket, fptr, + (struct sockaddr *)&from, &fromlen); +} + +/* + * call-seq: + * unixserver.sysaccept => file_descriptor + * + * Accepts a new connection. + * It returns the new file descriptor which is an integer. + * + * UNIXServer.open("/tmp/sock") {|serv| + * UNIXSocket.open("/tmp/sock") {|c| + * fd = serv.sysaccept + * s = IO.new(fd) + * s.puts "hi" + * s.close + * p c.read #=> "hi\n" + * } + * } + * + */ +static VALUE +unix_sysaccept(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_un from; + socklen_t fromlen; + + GetOpenFile(sock, fptr); + fromlen = sizeof(struct sockaddr_un); + return s_accept(0, fptr->fd, (struct sockaddr*)&from, &fromlen); +} + +#endif + +/* + * UNIXServer class + */ +void +Init_unixserver(void) +{ +#ifdef HAVE_SYS_UN_H + rb_cUNIXServer = rb_define_class("UNIXServer", rb_cUNIXSocket); + rb_define_method(rb_cUNIXServer, "initialize", unix_svr_init, 1); + rb_define_method(rb_cUNIXServer, "accept", unix_accept, 0); + rb_define_method(rb_cUNIXServer, "accept_nonblock", unix_accept_nonblock, 0); + rb_define_method(rb_cUNIXServer, "sysaccept", unix_sysaccept, 0); + rb_define_method(rb_cUNIXServer, "listen", sock_listen, 1); +#endif +} diff --git a/ext/socket/unixsocket.c b/ext/socket/unixsocket.c new file mode 100644 index 0000000000..7039a8219b --- /dev/null +++ b/ext/socket/unixsocket.c @@ -0,0 +1,499 @@ +/************************************************ + + unixsocket.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +#ifdef HAVE_SYS_UN_H +struct unixsock_arg { + struct sockaddr_un *sockaddr; + int fd; +}; + +static VALUE +unixsock_connect_internal(struct unixsock_arg *arg) +{ + return (VALUE)ruby_connect(arg->fd, (struct sockaddr*)arg->sockaddr, + sizeof(*arg->sockaddr), 0); +} + +VALUE +init_unixsock(VALUE sock, VALUE path, int server) +{ + struct sockaddr_un sockaddr; + int fd, status; + rb_io_t *fptr; + + SafeStringValue(path); + fd = ruby_socket(AF_UNIX, SOCK_STREAM, 0); + if (fd < 0) { + rb_sys_fail("socket(2)"); + } + + MEMZERO(&sockaddr, struct sockaddr_un, 1); + sockaddr.sun_family = AF_UNIX; + if (sizeof(sockaddr.sun_path) <= RSTRING_LEN(path)) { + rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)", + (int)sizeof(sockaddr.sun_path)-1); + } + memcpy(sockaddr.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); + + if (server) { + status = bind(fd, (struct sockaddr*)&sockaddr, sizeof(sockaddr)); + } + else { + int prot; + struct unixsock_arg arg; + arg.sockaddr = &sockaddr; + arg.fd = fd; + status = rb_protect((VALUE(*)(VALUE))unixsock_connect_internal, + (VALUE)&arg, &prot); + if (prot) { + close(fd); + rb_jump_tag(prot); + } + } + + if (status < 0) { + close(fd); + rb_sys_fail(sockaddr.sun_path); + } + + if (server) listen(fd, 5); + + init_sock(sock, fd); + if (server) { + GetOpenFile(sock, fptr); + fptr->pathv = rb_str_new_frozen(path); + } + + return sock; +} +#endif + +#ifdef HAVE_SYS_UN_H +/* + * call-seq: + * UNIXSocket.new(path) => unixsocket + * + * Creates a new UNIX client socket connected to _path_. + * + * s = UNIXSocket.new("/tmp/sock") + * s.send "hello", 0 + * + */ +static VALUE +unix_init(VALUE sock, VALUE path) +{ + return init_unixsock(sock, path, 0); +} + +/* + * call-seq: + * unixsocket.path => path + * + * Returns the path of the local address of unixsocket. + * + * s = UNIXServer.new("/tmp/sock") + * p s.path #=> "/tmp/sock" + * + */ +static VALUE +unix_path(VALUE sock) +{ + rb_io_t *fptr; + + GetOpenFile(sock, fptr); + if (NIL_P(fptr->pathv)) { + struct sockaddr_un addr; + socklen_t len = sizeof(addr); + if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + rb_sys_fail(0); + fptr->pathv = rb_obj_freeze(rb_str_new_cstr(unixpath(&addr, len))); + } + return rb_str_dup(fptr->pathv); +} + +/* + * call-seq: + * unixsocket.recvfrom(maxlen [, flags]) => [mesg, unixaddress] + * + * Receives a message via _unixsocket_. + * + * _maxlen_ is the maximum number of bytes to receive. + * + * _flags_ should be a bitwise OR of Socket::MSG_* constants. + * + * s1 = Socket.new(:UNIX, :DGRAM, 0) + * s1_ai = AddrInfo.unix("/tmp/sock1") + * s1.bind(s1_ai) + * + * s2 = Socket.new(:UNIX, :DGRAM, 0) + * s2_ai = AddrInfo.unix("/tmp/sock2") + * s2.bind(s2_ai) + * s3 = UNIXSocket.for_fd(s2.fileno) + * + * s1.send "a", 0, s2_ai + * p s3.recvfrom(10) #=> ["a", ["AF_UNIX", "/tmp/sock1"]] + * + */ +static VALUE +unix_recvfrom(int argc, VALUE *argv, VALUE sock) +{ + return s_recvfrom(sock, argc, argv, RECV_UNIX); +} + +#if defined(HAVE_ST_MSG_CONTROL) && defined(SCM_RIGHTS) +#define FD_PASSING_BY_MSG_CONTROL 1 +#else +#define FD_PASSING_BY_MSG_CONTROL 0 +#endif + +#if defined(HAVE_ST_MSG_ACCRIGHTS) +#define FD_PASSING_BY_MSG_ACCRIGHTS 1 +#else +#define FD_PASSING_BY_MSG_ACCRIGHTS 0 +#endif + +struct iomsg_arg { + int fd; + struct msghdr msg; +}; + +static VALUE +sendmsg_blocking(void *data) +{ + struct iomsg_arg *arg = data; + return sendmsg(arg->fd, &arg->msg, 0); +} + +/* + * call-seq: + * unixsocket.send_io(io) => nil + * + * Sends _io_ as file descriptor passing. + * + * s1, s2 = UNIXSocket.pair + * + * s1.send_io STDOUT + * stdout = s2.recv_io + * + * p STDOUT.fileno #=> 1 + * p stdout.fileno #=> 6 + * + * stdout.puts "hello" # outputs "hello\n" to standard output. + */ +static VALUE +unix_send_io(VALUE sock, VALUE val) +{ +#if defined(HAVE_SENDMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) + int fd; + rb_io_t *fptr; + struct iomsg_arg arg; + struct iovec vec[1]; + char buf[1]; + +#if FD_PASSING_BY_MSG_CONTROL + struct { + struct cmsghdr hdr; + char pad[8+sizeof(int)+8]; + } cmsg; +#endif + + if (rb_obj_is_kind_of(val, rb_cIO)) { + rb_io_t *valfptr; + GetOpenFile(val, valfptr); + fd = valfptr->fd; + } + else if (FIXNUM_P(val)) { + fd = FIX2INT(val); + } + else { + rb_raise(rb_eTypeError, "neither IO nor file descriptor"); + } + + GetOpenFile(sock, fptr); + + arg.msg.msg_name = NULL; + arg.msg.msg_namelen = 0; + + /* Linux and Solaris doesn't work if msg_iov is NULL. */ + buf[0] = '\0'; + vec[0].iov_base = buf; + vec[0].iov_len = 1; + arg.msg.msg_iov = vec; + arg.msg.msg_iovlen = 1; + +#if FD_PASSING_BY_MSG_CONTROL + arg.msg.msg_control = (caddr_t)&cmsg; + arg.msg.msg_controllen = CMSG_LEN(sizeof(int)); + arg.msg.msg_flags = 0; + MEMZERO((char*)&cmsg, char, sizeof(cmsg)); + cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int)); + cmsg.hdr.cmsg_level = SOL_SOCKET; + cmsg.hdr.cmsg_type = SCM_RIGHTS; + *(int *)CMSG_DATA(&cmsg.hdr) = fd; +#else + arg.msg.msg_accrights = (caddr_t)&fd; + arg.msg.msg_accrightslen = sizeof(fd); +#endif + + arg.fd = fptr->fd; + rb_thread_fd_writable(arg.fd); + if ((int)BLOCKING_REGION(sendmsg_blocking, &arg) == -1) + rb_sys_fail("sendmsg(2)"); + + return Qnil; +#else + rb_notimplement(); + return Qnil; /* not reached */ +#endif +} + +static VALUE +recvmsg_blocking(void *data) +{ + struct iomsg_arg *arg = data; + return recvmsg(arg->fd, &arg->msg, 0); +} + +/* + * call-seq: + * unixsocket.recv_io([klass [, mode]]) => io + * + * UNIXServer.open("/tmp/sock") {|serv| + * UNIXSocket.open("/tmp/sock") {|c| + * s = serv.accept + * + * c.send_io STDOUT + * stdout = s.recv_io + * + * p STDOUT.fileno #=> 1 + * p stdout.fileno #=> 7 + * + * stdout.puts "hello" # outputs "hello\n" to standard output. + * } + * } + * + */ +static VALUE +unix_recv_io(int argc, VALUE *argv, VALUE sock) +{ +#if defined(HAVE_RECVMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) + VALUE klass, mode; + rb_io_t *fptr; + struct iomsg_arg arg; + struct iovec vec[2]; + char buf[1]; + + int fd; +#if FD_PASSING_BY_MSG_CONTROL + struct { + struct cmsghdr hdr; + char pad[8+sizeof(int)+8]; + } cmsg; +#endif + + rb_scan_args(argc, argv, "02", &klass, &mode); + if (argc == 0) + klass = rb_cIO; + if (argc <= 1) + mode = Qnil; + + GetOpenFile(sock, fptr); + + arg.msg.msg_name = NULL; + arg.msg.msg_namelen = 0; + + vec[0].iov_base = buf; + vec[0].iov_len = sizeof(buf); + arg.msg.msg_iov = vec; + arg.msg.msg_iovlen = 1; + +#if FD_PASSING_BY_MSG_CONTROL + arg.msg.msg_control = (caddr_t)&cmsg; + arg.msg.msg_controllen = CMSG_SPACE(sizeof(int)); + arg.msg.msg_flags = 0; + cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int)); + cmsg.hdr.cmsg_level = SOL_SOCKET; + cmsg.hdr.cmsg_type = SCM_RIGHTS; + *(int *)CMSG_DATA(&cmsg.hdr) = -1; +#else + arg.msg.msg_accrights = (caddr_t)&fd; + arg.msg.msg_accrightslen = sizeof(fd); + fd = -1; +#endif + + arg.fd = fptr->fd; + rb_thread_wait_fd(arg.fd); + if ((int)BLOCKING_REGION(recvmsg_blocking, &arg) == -1) + rb_sys_fail("recvmsg(2)"); + +#if FD_PASSING_BY_MSG_CONTROL + if (arg.msg.msg_controllen < CMSG_LEN(sizeof(int))) { + rb_raise(rb_eSocket, + "file descriptor was not passed (msg_controllen=%d smaller than CMSG_LEN(sizeof(int))=%d)", + (int)arg.msg.msg_controllen, (int)CMSG_LEN(sizeof(int))); + } + if (CMSG_SPACE(sizeof(int)) < arg.msg.msg_controllen) { + rb_raise(rb_eSocket, + "file descriptor was not passed (msg_controllen=%d bigger than CMSG_SPACE(sizeof(int))=%d)", + (int)arg.msg.msg_controllen, (int)CMSG_SPACE(sizeof(int))); + } + if (cmsg.hdr.cmsg_len != CMSG_LEN(sizeof(int))) { + rb_raise(rb_eSocket, + "file descriptor was not passed (cmsg_len=%d, %d expected)", + (int)cmsg.hdr.cmsg_len, (int)CMSG_LEN(sizeof(int))); + } + if (cmsg.hdr.cmsg_level != SOL_SOCKET) { + rb_raise(rb_eSocket, + "file descriptor was not passed (cmsg_level=%d, %d expected)", + cmsg.hdr.cmsg_level, SOL_SOCKET); + } + if (cmsg.hdr.cmsg_type != SCM_RIGHTS) { + rb_raise(rb_eSocket, + "file descriptor was not passed (cmsg_type=%d, %d expected)", + cmsg.hdr.cmsg_type, SCM_RIGHTS); + } +#else + if (arg.msg.msg_accrightslen != sizeof(fd)) { + rb_raise(rb_eSocket, + "file descriptor was not passed (accrightslen) : %d != %d", + arg.msg.msg_accrightslen, (int)sizeof(fd)); + } +#endif + +#if FD_PASSING_BY_MSG_CONTROL + fd = *(int *)CMSG_DATA(&cmsg.hdr); +#endif + + if (klass == Qnil) + return INT2FIX(fd); + else { + ID for_fd; + int ff_argc; + VALUE ff_argv[2]; + CONST_ID(for_fd, "for_fd"); + ff_argc = mode == Qnil ? 1 : 2; + ff_argv[0] = INT2FIX(fd); + ff_argv[1] = mode; + return rb_funcall2(klass, for_fd, ff_argc, ff_argv); + } +#else + rb_notimplement(); + return Qnil; /* not reached */ +#endif +} + +/* + * call-seq: + * unixsocket.addr => [address_family, unix_path] + * + * Returns the local address as an array which contains + * address_family and unix_path. + * + * Example + * serv = UNIXServer.new("/tmp/sock") + * p serv.addr #=> ["AF_UNIX", "/tmp/sock"] + */ +static VALUE +unix_addr(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_un addr; + socklen_t len = sizeof addr; + + GetOpenFile(sock, fptr); + + if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + rb_sys_fail("getsockname(2)"); + return unixaddr(&addr, len); +} + +/* + * call-seq: + * unixsocket.peeraddr => [address_family, unix_path] + * + * Returns the remote address as an array which contains + * address_family and unix_path. + * + * Example + * serv = UNIXServer.new("/tmp/sock") + * c = UNIXSocket.new("/tmp/sock") + * p c.peeraddr #=> ["AF_UNIX", "/tmp/sock"] + */ +static VALUE +unix_peeraddr(VALUE sock) +{ + rb_io_t *fptr; + struct sockaddr_un addr; + socklen_t len = sizeof addr; + + GetOpenFile(sock, fptr); + + if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + rb_sys_fail("getpeername(2)"); + return unixaddr(&addr, len); +} +#endif + +#ifdef HAVE_SYS_UN_H +/* + * call-seq: + * UNIXSocket.pair([type [, protocol]]) => [unixsocket1, unixsocket2] + * UNIXSocket.socketpair([type [, protocol]]) => [unixsocket1, unixsocket2] + * + * Creates a pair of sockets connected each other. + * + * _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc. + * + * _protocol_ should be a protocol defined in the domain. + * 0 is default protocol for the domain. + * + * s1, s2 = UNIXSocket.pair + * s1.send "a", 0 + * s1.send "b", 0 + * p s2.recv(10) #=> "ab" + * + */ +static VALUE +unix_s_socketpair(int argc, VALUE *argv, VALUE klass) +{ + VALUE domain, type, protocol; + domain = INT2FIX(PF_UNIX); + + rb_scan_args(argc, argv, "02", &type, &protocol); + if (argc == 0) + type = INT2FIX(SOCK_STREAM); + if (argc <= 1) + protocol = INT2FIX(0); + + return sock_s_socketpair(klass, domain, type, protocol); +} +#endif + +/* + * UNIXSocket class + */ +void +Init_unixsocket(void) +{ +#ifdef HAVE_SYS_UN_H + rb_cUNIXSocket = rb_define_class("UNIXSocket", rb_cBasicSocket); + rb_define_method(rb_cUNIXSocket, "initialize", unix_init, 1); + rb_define_method(rb_cUNIXSocket, "path", unix_path, 0); + rb_define_method(rb_cUNIXSocket, "addr", unix_addr, 0); + rb_define_method(rb_cUNIXSocket, "peeraddr", unix_peeraddr, 0); + rb_define_method(rb_cUNIXSocket, "recvfrom", unix_recvfrom, -1); + rb_define_method(rb_cUNIXSocket, "send_io", unix_send_io, 1); + rb_define_method(rb_cUNIXSocket, "recv_io", unix_recv_io, -1); + rb_define_singleton_method(rb_cUNIXSocket, "socketpair", unix_s_socketpair, -1); + rb_define_singleton_method(rb_cUNIXSocket, "pair", unix_s_socketpair, -1); +#endif +} |