#include "lhttp.h"
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
void get_serv_date(char *curtime)
{
struct tm *timenow;
time_t now;
time(&now);
timenow = localtime(&now);
strcpy(curtime, asctime(timenow));
}
void get_html_body(const char *filename, char *rev, char *mime_type)
{
struct stat buf;
char buff[100] ={0};
getcwd(buff, sizeof(buff));
strcat(buff, filename);
stat(buff, &buf);
if(S_ISDIR(buf.st_mode))
{
strcat(buff, "index.htm");
strcpy(mime_type, "text/html");
if(file_exist(buff))
{
get_file_contents(buff, rev);
}
else
{
get_dir_list(buff, rev);
}
}
if(S_ISREG(buf.st_mode))
{
get_file_contents(buff, rev);
get_mime_type(buff, mime_type);
}
}
void get_file_contents(const char *filename, char *rev)
{
struct stat buff;
int file_size;
int fd;
//get file size
if((stat(filename, &buff)) < 0)
{
file_size = 0;
}
file_size = buff.st_size;
if(access(filename, R_OK) < 0)
{
perror("Permission denied");
}
fd = open(filename, O_RDONLY);
read(fd, rev, file_size);
close(fd);
}
void get_dir_list(const char *path, char *rev)
{
struct dirent *dirp;
DIR *dp;
char tmp[1024]={0};
sprintf(tmp, "<html>\n<head>\n<title>Browse directory %s</title>\n</head>\n<body><h3>Directory %s</h3>\n<hr />\n<ul>\n", path, path );
strcat(rev, tmp);
if((dp = opendir(path)) == NULL)
{
perror("can not open dir");
}
while((dirp = readdir(dp)) != NULL)
{
if ( strcmp(dirp->d_name, ".") != 0){
memset(tmp, 0, sizeof(tmp));
sprintf(tmp, "\t<li><a href=\"%s%s\">%s</a></li>\n", path, dirp->d_name, dirp->d_name);
strcat(rev, tmp);
}
}
closedir(dp);
}
int file_exist(const char *filename)
{
struct stat buff;
if(stat(filename, &buff) < 0)
{
if(ENOENT == errno)
{
return 0;
}
}
return 1;
}
void get_mime_type( const char *name, char *ret )
{
char *dot, *buf;
dot = strrchr(name, '.');
/* Text */
if ( strcmp(dot, ".txt") == 0 )
{
buf = "text/plain";
}
else if ( strcmp( dot, ".css" ) == 0 ){
buf = "text/css";
}
else if ( strcmp( dot, ".js" ) == 0 )
{
buf = "text/javascript";
}
else if ( strcmp(dot, ".xml") == 0 || strcmp(dot, ".xsl") == 0 ){
buf = "text/xml";
} else if ( strcmp(dot, ".xhtm") == 0 || strcmp(dot, ".xhtml") == 0 || strcmp(dot, ".xht") == 0 ){
buf = "application/xhtml+xml";
} else if ( strcmp(dot, ".html") == 0 || strcmp(dot, ".htm") == 0 || strcmp(dot, ".shtml") == 0 || strcmp(dot, ".hts") == 0 ){
buf = "text/html";
/* Images */
} else if ( strcmp( dot, ".gif" ) == 0 ){
buf = "image/gif";
} else if ( strcmp( dot, ".png" ) == 0 ){
buf = "image/png";
} else if ( strcmp( dot, ".bmp" ) == 0 ){
buf = "application/x-MS-bmp";
} else if ( strcmp( dot, ".jpg" ) == 0 || strcmp( dot, ".jpeg" ) == 0 || strcmp( dot, ".jpe" ) == 0 || strcmp( dot, ".jpz" ) == 0 ){
buf = "image/jpeg";
/* Audio & Video */
} else if ( strcmp( dot, ".wav" ) == 0 ){
buf = "audio/wav";
} else if ( strcmp( dot, ".wma" ) == 0 ){
buf = "audio/x-ms-wma";
} else if ( strcmp( dot, ".wmv" ) == 0 ){
buf = "audio/x-ms-wmv";
} else if ( strcmp( dot, ".au" ) == 0 || strcmp( dot, ".snd" ) == 0 ){
buf = "audio/basic";
} else if ( strcmp( dot, ".midi" ) == 0 || strcmp( dot, ".mid" ) == 0 ){
buf = "audio/midi";
} else if ( strcmp( dot, ".mp3" ) == 0 || strcmp( dot, ".mp2" ) == 0 ){
buf = "audio/x-mpeg";
} else if ( strcmp( dot, ".rm" ) == 0 || strcmp( dot, ".rmvb" ) == 0 || strcmp( dot, ".rmm" ) == 0 ){
buf = "audio/x-pn-realaudio";
} else if ( strcmp( dot, ".avi" ) == 0 ){
buf = "video/x-msvideo";
} else if ( strcmp( dot, ".3gp" ) == 0 ){
buf = "video/3gpp";
} else if ( strcmp( dot, ".mov" ) == 0 ){
buf = "video/quicktime";
} else if ( strcmp( dot, ".wmx" ) == 0 ){
buf = "video/x-ms-wmx";
} else if ( strcmp( dot, ".asf" ) == 0 || strcmp( dot, ".asx" ) == 0 ){
buf = "video/x-ms-asf";
} else if ( strcmp( dot, ".mp4" ) == 0 || strcmp( dot, ".mpg4" ) == 0 ){
buf = "video/mp4";
} else if ( strcmp( dot, ".mpe" ) == 0 || strcmp( dot, ".mpeg" ) == 0 || strcmp( dot, ".mpg" ) == 0 || strcmp( dot, ".mpga" ) == 0 ){
buf = "video/mpeg";
/* Documents */
} else if ( strcmp( dot, ".pdf" ) == 0 ){
buf = "application/pdf";
} else if ( strcmp( dot, ".rtf" ) == 0 ){
buf = "application/rtf";
} else if ( strcmp( dot, ".doc" ) == 0 || strcmp( dot, ".dot" ) == 0 ){
buf = "application/msword";
} else if ( strcmp( dot, ".xls" ) == 0 || strcmp( dot, ".xla" ) == 0 ){
buf = "application/msexcel";
} else if ( strcmp( dot, ".hlp" ) == 0 || strcmp( dot, ".chm" ) == 0 ){
buf = "application/mshelp";
} else if ( strcmp( dot, ".swf" ) == 0 || strcmp( dot, ".swfl" ) == 0 || strcmp( dot, ".cab" ) == 0 ){
buf = "application/x-shockwave-flash";
} else if ( strcmp( dot, ".ppt" ) == 0 || strcmp( dot, ".ppz" ) == 0 || strcmp( dot, ".pps" ) == 0 || strcmp( dot, ".pot" ) == 0 ){
buf = "application/mspowerpoint";
/* Binary & Packages */
} else if ( strcmp( dot, ".zip" ) == 0 ){
buf = "application/zip";
} else if ( strcmp( dot, ".rar" ) == 0 ){
buf = "application/x-rar-compressed";
} else if ( strcmp( dot, ".gz" ) == 0 ){
buf = "application/x-gzip";
} else if ( strcmp( dot, ".jar" ) == 0 ){
buf = "application/java-archive";
} else if ( strcmp( dot, ".tgz" ) == 0 || strcmp( dot, ".tar" ) == 0 ){
buf = "application/x-tar";
} else {
buf = "application/octet-stream";
}
strcpy(ret, buf);
}
void send_response(int clientdesc, char *request_path, char *http_version, char *request_content)
{
char serv_date[128] ={0};
char mime_type[50] = {0};
char file_contents[102400];
char *response_str= NULL;
memset(file_contents, 0, 102400);
get_html_body(request_path, file_contents, mime_type);
get_serv_date(serv_date);
serv_date[strlen(serv_date) -1] = '\0';
response_str = (char *) malloc(sizeof(char) * (strlen(file_contents) + 300));
sprintf(response_str, "%s 200 OK\r\nDate: %s\r\nServer: my lhttp server\r\nContent-Type: %s\r\nContent-Length: %d\r\n\r\n%s", http_version, serv_date, mime_type, (int)strlen(file_contents),file_contents);
send(clientdesc, response_str, strlen(response_str) + 1, 0);
free(response_str);
}
lhttp.zip （8个子文件） 
lhttp 
lhttp.c 327B send_response.c 7KB handle_client.c 1KB create_socket.c 1KB lhttp.h 962B www index.htm 105B .send_response.c 100B Makefile 409B
yantao473
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