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Diffstat (limited to 'src/backend/commands/user.c')
-rw-r--r--src/backend/commands/user.c116
1 files changed, 59 insertions, 57 deletions
diff --git a/src/backend/commands/user.c b/src/backend/commands/user.c
index 0ba7ba0c20f..c14465eb87b 100644
--- a/src/backend/commands/user.c
+++ b/src/backend/commands/user.c
@@ -49,10 +49,10 @@ extern bool Password_encryption;
check_password_hook_type check_password_hook = NULL;
static void AddRoleMems(const char *rolename, Oid roleid,
- List *memberNames, List *memberIds,
+ List *memberSpecs, List *memberIds,
Oid grantorId, bool admin_opt);
static void DelRoleMems(const char *rolename, Oid roleid,
- List *memberNames, List *memberIds,
+ List *memberSpecs, List *memberIds,
bool admin_opt);
@@ -443,10 +443,10 @@ CreateRole(CreateRoleStmt *stmt)
* option, rolemembers don't.
*/
AddRoleMems(stmt->role, roleid,
- adminmembers, roleNamesToIds(adminmembers),
+ adminmembers, roleSpecsToIds(adminmembers),
GetUserId(), true);
AddRoleMems(stmt->role, roleid,
- rolemembers, roleNamesToIds(rolemembers),
+ rolemembers, roleSpecsToIds(rolemembers),
GetUserId(), false);
/* Post creation hook for new role */
@@ -478,7 +478,9 @@ AlterRole(AlterRoleStmt *stmt)
TupleDesc pg_authid_dsc;
HeapTuple tuple,
new_tuple;
+ Form_pg_authid authform;
ListCell *option;
+ char *rolename = NULL;
char *password = NULL; /* user password */
bool encrypt_password = Password_encryption; /* encrypt password? */
char encrypted_password[MD5_PASSWD_LEN + 1];
@@ -647,33 +649,30 @@ AlterRole(AlterRoleStmt *stmt)
pg_authid_rel = heap_open(AuthIdRelationId, RowExclusiveLock);
pg_authid_dsc = RelationGetDescr(pg_authid_rel);
- tuple = SearchSysCache1(AUTHNAME, PointerGetDatum(stmt->role));
- if (!HeapTupleIsValid(tuple))
- ereport(ERROR,
- (errcode(ERRCODE_UNDEFINED_OBJECT),
- errmsg("role \"%s\" does not exist", stmt->role)));
-
+ tuple = get_rolespec_tuple(stmt->role);
+ authform = (Form_pg_authid) GETSTRUCT(tuple);
+ rolename = pstrdup(NameStr(authform->rolname));
roleid = HeapTupleGetOid(tuple);
/*
* To mess with a superuser you gotta be superuser; else you need
* createrole, or just want to change your own password
*/
- if (((Form_pg_authid) GETSTRUCT(tuple))->rolsuper || issuper >= 0)
+ if (authform->rolsuper || issuper >= 0)
{
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to alter superusers")));
}
- else if (((Form_pg_authid) GETSTRUCT(tuple))->rolreplication || isreplication >= 0)
+ else if (authform->rolreplication || isreplication >= 0)
{
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to alter replication users")));
}
- else if (((Form_pg_authid) GETSTRUCT(tuple))->rolbypassrls || bypassrls >= 0)
+ else if (authform->rolbypassrls || bypassrls >= 0)
{
if (!superuser())
ereport(ERROR,
@@ -718,11 +717,11 @@ AlterRole(AlterRoleStmt *stmt)
* Call the password checking hook if there is one defined
*/
if (check_password_hook && password)
- (*check_password_hook) (stmt->role,
- password,
- isMD5(password) ? PASSWORD_TYPE_MD5 : PASSWORD_TYPE_PLAINTEXT,
- validUntil_datum,
- validUntil_null);
+ (*check_password_hook)(rolename ,
+ password,
+ isMD5(password) ? PASSWORD_TYPE_MD5 : PASSWORD_TYPE_PLAINTEXT,
+ validUntil_datum,
+ validUntil_null);
/*
* Build an updated tuple, perusing the information just obtained
@@ -784,7 +783,7 @@ AlterRole(AlterRoleStmt *stmt)
CStringGetTextDatum(password);
else
{
- if (!pg_md5_encrypt(password, stmt->role, strlen(stmt->role),
+ if (!pg_md5_encrypt(password, rolename, strlen(rolename),
encrypted_password))
elog(ERROR, "password encryption failed");
new_record[Anum_pg_authid_rolpassword - 1] =
@@ -831,12 +830,12 @@ AlterRole(AlterRoleStmt *stmt)
CommandCounterIncrement();
if (stmt->action == +1) /* add members to role */
- AddRoleMems(stmt->role, roleid,
- rolemembers, roleNamesToIds(rolemembers),
+ AddRoleMems(rolename, roleid,
+ rolemembers, roleSpecsToIds(rolemembers),
GetUserId(), false);
else if (stmt->action == -1) /* drop members from role */
- DelRoleMems(stmt->role, roleid,
- rolemembers, roleNamesToIds(rolemembers),
+ DelRoleMems(rolename, roleid,
+ rolemembers, roleSpecsToIds(rolemembers),
false);
/*
@@ -860,13 +859,7 @@ AlterRoleSet(AlterRoleSetStmt *stmt)
if (stmt->role)
{
- roletuple = SearchSysCache1(AUTHNAME, PointerGetDatum(stmt->role));
-
- if (!HeapTupleIsValid(roletuple))
- ereport(ERROR,
- (errcode(ERRCODE_UNDEFINED_OBJECT),
- errmsg("role \"%s\" does not exist", stmt->role)));
-
+ roletuple = get_rolespec_tuple(stmt->role);
roleid = HeapTupleGetOid(roletuple);
/*
@@ -955,7 +948,8 @@ DropRole(DropRoleStmt *stmt)
foreach(item, stmt->roles)
{
- const char *role = strVal(lfirst(item));
+ RoleSpec *rolspec = lfirst(item);
+ char *role;
HeapTuple tuple,
tmp_tuple;
ScanKeyData scankey;
@@ -964,6 +958,12 @@ DropRole(DropRoleStmt *stmt)
SysScanDesc sscan;
Oid roleid;
+ if (rolspec->roletype != ROLESPEC_CSTRING)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("cannot use special role specifier in \"%s\"", "DROP ROLE")));
+ role = rolspec->rolename;
+
tuple = SearchSysCache1(AUTHNAME, PointerGetDatum(role));
if (!HeapTupleIsValid(tuple))
{
@@ -1233,11 +1233,11 @@ GrantRole(GrantRoleStmt *stmt)
ListCell *item;
if (stmt->grantor)
- grantor = get_role_oid(stmt->grantor, false);
+ grantor = get_rolespec_oid(stmt->grantor, false);
else
grantor = GetUserId();
- grantee_ids = roleNamesToIds(stmt->grantee_roles);
+ grantee_ids = roleSpecsToIds(stmt->grantee_roles);
/* AccessShareLock is enough since we aren't modifying pg_authid */
pg_authid_rel = heap_open(AuthIdRelationId, AccessShareLock);
@@ -1286,7 +1286,7 @@ GrantRole(GrantRoleStmt *stmt)
void
DropOwnedObjects(DropOwnedStmt *stmt)
{
- List *role_ids = roleNamesToIds(stmt->roles);
+ List *role_ids = roleSpecsToIds(stmt->roles);
ListCell *cell;
/* Check privileges */
@@ -1312,7 +1312,7 @@ DropOwnedObjects(DropOwnedStmt *stmt)
void
ReassignOwnedObjects(ReassignOwnedStmt *stmt)
{
- List *role_ids = roleNamesToIds(stmt->roles);
+ List *role_ids = roleSpecsToIds(stmt->roles);
ListCell *cell;
Oid newrole;
@@ -1328,7 +1328,7 @@ ReassignOwnedObjects(ReassignOwnedStmt *stmt)
}
/* Must have privileges on the receiving side too */
- newrole = get_role_oid(stmt->newrole, false);
+ newrole = get_rolespec_oid(stmt->newrole, false);
if (!has_privs_of_role(GetUserId(), newrole))
ereport(ERROR,
@@ -1340,22 +1340,24 @@ ReassignOwnedObjects(ReassignOwnedStmt *stmt)
}
/*
- * roleNamesToIds
+ * roleSpecsToIds
+ *
+ * Given a list of RoleSpecs, generate a list of role OIDs in the same order.
*
- * Given a list of role names (as String nodes), generate a list of role OIDs
- * in the same order.
+ * ROLESPEC_PUBLIC is not allowed.
*/
List *
-roleNamesToIds(List *memberNames)
+roleSpecsToIds(List *memberNames)
{
List *result = NIL;
ListCell *l;
foreach(l, memberNames)
{
- char *rolename = strVal(lfirst(l));
- Oid roleid = get_role_oid(rolename, false);
+ Node *rolespec = (Node *) lfirst(l);
+ Oid roleid;
+ roleid = get_rolespec_oid(rolespec, false);
result = lappend_oid(result, roleid);
}
return result;
@@ -1366,7 +1368,7 @@ roleNamesToIds(List *memberNames)
*
* rolename: name of role to add to (used only for error messages)
* roleid: OID of role to add to
- * memberNames: list of names of roles to add (used only for error messages)
+ * memberSpecs: list of RoleSpec of roles to add (used only for error messages)
* memberIds: OIDs of roles to add
* grantorId: who is granting the membership
* admin_opt: granting admin option?
@@ -1375,15 +1377,15 @@ roleNamesToIds(List *memberNames)
*/
static void
AddRoleMems(const char *rolename, Oid roleid,
- List *memberNames, List *memberIds,
+ List *memberSpecs, List *memberIds,
Oid grantorId, bool admin_opt)
{
Relation pg_authmem_rel;
TupleDesc pg_authmem_dsc;
- ListCell *nameitem;
+ ListCell *specitem;
ListCell *iditem;
- Assert(list_length(memberNames) == list_length(memberIds));
+ Assert(list_length(memberSpecs) == list_length(memberIds));
/* Skip permission check if nothing to do */
if (!memberIds)
@@ -1428,9 +1430,9 @@ AddRoleMems(const char *rolename, Oid roleid,
pg_authmem_rel = heap_open(AuthMemRelationId, RowExclusiveLock);
pg_authmem_dsc = RelationGetDescr(pg_authmem_rel);
- forboth(nameitem, memberNames, iditem, memberIds)
+ forboth(specitem, memberSpecs, iditem, memberIds)
{
- const char *membername = strVal(lfirst(nameitem));
+ RoleSpec *memberRole = lfirst(specitem);
Oid memberid = lfirst_oid(iditem);
HeapTuple authmem_tuple;
HeapTuple tuple;
@@ -1449,7 +1451,7 @@ AddRoleMems(const char *rolename, Oid roleid,
ereport(ERROR,
(errcode(ERRCODE_INVALID_GRANT_OPERATION),
(errmsg("role \"%s\" is a member of role \"%s\"",
- rolename, membername))));
+ rolename, get_rolespec_name((Node *) memberRole)))));
/*
* Check if entry for this role/member already exists; if so, give
@@ -1464,7 +1466,7 @@ AddRoleMems(const char *rolename, Oid roleid,
{
ereport(NOTICE,
(errmsg("role \"%s\" is already a member of role \"%s\"",
- membername, rolename)));
+ get_rolespec_name((Node *) memberRole), rolename)));
ReleaseSysCache(authmem_tuple);
continue;
}
@@ -1513,7 +1515,7 @@ AddRoleMems(const char *rolename, Oid roleid,
*
* rolename: name of role to del from (used only for error messages)
* roleid: OID of role to del from
- * memberNames: list of names of roles to del (used only for error messages)
+ * memberSpecs: list of RoleSpec of roles to del (used only for error messages)
* memberIds: OIDs of roles to del
* admin_opt: remove admin option only?
*
@@ -1521,15 +1523,15 @@ AddRoleMems(const char *rolename, Oid roleid,
*/
static void
DelRoleMems(const char *rolename, Oid roleid,
- List *memberNames, List *memberIds,
+ List *memberSpecs, List *memberIds,
bool admin_opt)
{
Relation pg_authmem_rel;
TupleDesc pg_authmem_dsc;
- ListCell *nameitem;
+ ListCell *specitem;
ListCell *iditem;
- Assert(list_length(memberNames) == list_length(memberIds));
+ Assert(list_length(memberSpecs) == list_length(memberIds));
/* Skip permission check if nothing to do */
if (!memberIds)
@@ -1559,9 +1561,9 @@ DelRoleMems(const char *rolename, Oid roleid,
pg_authmem_rel = heap_open(AuthMemRelationId, RowExclusiveLock);
pg_authmem_dsc = RelationGetDescr(pg_authmem_rel);
- forboth(nameitem, memberNames, iditem, memberIds)
+ forboth(specitem, memberSpecs, iditem, memberIds)
{
- const char *membername = strVal(lfirst(nameitem));
+ RoleSpec *memberRole = lfirst(specitem);
Oid memberid = lfirst_oid(iditem);
HeapTuple authmem_tuple;
@@ -1575,7 +1577,7 @@ DelRoleMems(const char *rolename, Oid roleid,
{
ereport(WARNING,
(errmsg("role \"%s\" is not a member of role \"%s\"",
- membername, rolename)));
+ get_rolespec_name((Node *) memberRole), rolename)));
continue;
}