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authorGünther Deschner <gd@samba.org>2011-03-22 23:23:17 +0100
committerGünther Deschner <gd@samba.org>2011-03-30 01:13:08 +0200
commit7d798ac485b47483c9f99c67f7be196d55587a09 (patch)
tree2c022481ba8bdc35bd207b311899b250da756f54 /source3/lib
parentbcee6c1fe209b458e546b5788a9148eecc8715f1 (diff)
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s3-passdb: move util_unixsids.c out of passdb.
Guenther
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/util_unixsids.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/source3/lib/util_unixsids.c b/source3/lib/util_unixsids.c
new file mode 100644
index 0000000000..8db66d6e89
--- /dev/null
+++ b/source3/lib/util_unixsids.c
@@ -0,0 +1,116 @@
+/*
+ Unix SMB/CIFS implementation.
+ Translate unix-defined names to SIDs and vice versa
+ Copyright (C) Volker Lendecke 2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "system/passwd.h"
+#include "../libcli/security/security.h"
+#include "../lib/util/util_pw.h"
+
+bool sid_check_is_unix_users(const struct dom_sid *sid)
+{
+ return dom_sid_equal(sid, &global_sid_Unix_Users);
+}
+
+bool sid_check_is_in_unix_users(const struct dom_sid *sid)
+{
+ struct dom_sid dom_sid;
+
+ sid_copy(&dom_sid, sid);
+ sid_split_rid(&dom_sid, NULL);
+
+ return sid_check_is_unix_users(&dom_sid);
+}
+
+void uid_to_unix_users_sid(uid_t uid, struct dom_sid *sid)
+{
+ /*
+ * This can never fail, we know that global_sid_Unix_Users is
+ * short enough for a domain sid.
+ */
+ sid_compose(sid, &global_sid_Unix_Users, uid);
+}
+
+void gid_to_unix_groups_sid(gid_t gid, struct dom_sid *sid)
+{
+ /*
+ * This can never fail, we know that global_sid_Unix_Groups is
+ * short enough for a domain sid.
+ */
+ sid_compose(sid, &global_sid_Unix_Groups, gid);
+}
+
+const char *unix_users_domain_name(void)
+{
+ return "Unix User";
+}
+
+bool lookup_unix_user_name(const char *name, struct dom_sid *sid)
+{
+ struct passwd *pwd;
+ bool ret;
+
+ pwd = Get_Pwnam_alloc(talloc_tos(), name);
+ if (pwd == NULL) {
+ return False;
+ }
+
+ /*
+ * For 64-bit uid's we have enough space in the whole SID,
+ * should they become necessary
+ */
+ ret = sid_compose(sid, &global_sid_Unix_Users, pwd->pw_uid);
+ TALLOC_FREE(pwd);
+ return ret;
+}
+
+bool sid_check_is_unix_groups(const struct dom_sid *sid)
+{
+ return dom_sid_equal(sid, &global_sid_Unix_Groups);
+}
+
+bool sid_check_is_in_unix_groups(const struct dom_sid *sid)
+{
+ struct dom_sid dom_sid;
+
+ sid_copy(&dom_sid, sid);
+ sid_split_rid(&dom_sid, NULL);
+
+ return sid_check_is_unix_groups(&dom_sid);
+}
+
+const char *unix_groups_domain_name(void)
+{
+ return "Unix Group";
+}
+
+bool lookup_unix_group_name(const char *name, struct dom_sid *sid)
+{
+ struct group *grp;
+
+ grp = sys_getgrnam(name);
+ if (grp == NULL) {
+ return False;
+ }
+
+ /*
+ * For 64-bit gid's we have enough space in the whole SID,
+ * should they become necessary
+ */
+ return sid_compose(sid, &global_sid_Unix_Groups, grp->gr_gid);
+}