From 7d798ac485b47483c9f99c67f7be196d55587a09 Mon Sep 17 00:00:00 2001 From: Günther Deschner Date: Tue, 22 Mar 2011 23:23:17 +0100 Subject: s3-passdb: move util_unixsids.c out of passdb. Guenther --- source3/lib/util_unixsids.c | 116 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 source3/lib/util_unixsids.c (limited to 'source3/lib') 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 . +*/ + +#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); +} -- cgit