From bcee6c1fe209b458e546b5788a9148eecc8715f1 Mon Sep 17 00:00:00 2001 From: Günther Deschner Date: Tue, 22 Mar 2011 23:20:49 +0100 Subject: s3-passdb: move util_wellknown.c out of passdb. Guenther --- source3/lib/util_wellknown.c | 173 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 source3/lib/util_wellknown.c (limited to 'source3/lib/util_wellknown.c') diff --git a/source3/lib/util_wellknown.c b/source3/lib/util_wellknown.c new file mode 100644 index 0000000000..f2f99af2d0 --- /dev/null +++ b/source3/lib/util_wellknown.c @@ -0,0 +1,173 @@ +/* + Unix SMB/CIFS implementation. + Lookup routines for well-known SIDs + Copyright (C) Andrew Tridgell 1992-1998 + Copyright (C) Luke Kenneth Caseson Leighton 1998-1999 + Copyright (C) Jeremy Allison 1999 + 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 "../libcli/security/security.h" + +struct rid_name_map { + uint32 rid; + const char *name; +}; + +struct sid_name_map_info +{ + const struct dom_sid *sid; + const char *name; + const struct rid_name_map *known_users; +}; + +static const struct rid_name_map everyone_users[] = { + { 0, "Everyone" }, + { 0, NULL}}; + +static const struct rid_name_map creator_owner_users[] = { + { 0, "Creator Owner" }, + { 1, "Creator Group" }, + { 0, NULL}}; + +static const struct rid_name_map nt_authority_users[] = { + { 1, "Dialup" }, + { 2, "Network"}, + { 3, "Batch"}, + { 4, "Interactive"}, + { 6, "Service"}, + { 7, "AnonymousLogon"}, + { 7, "Anonymous Logon"}, + { 8, "Proxy"}, + { 9, "ServerLogon"}, + { 10, "Self"}, + { 11, "Authenticated Users"}, + { 12, "Restricted"}, + { 13, "Terminal Server User"}, + { 14, "Remote Interactive Logon"}, + { 15, "This Organization"}, + { 18, "SYSTEM"}, + { 19, "Local Service"}, + { 20, "Network Service"}, + { 0, NULL}}; + +static struct sid_name_map_info special_domains[] = { + { &global_sid_World_Domain, "", everyone_users }, + { &global_sid_Creator_Owner_Domain, "", creator_owner_users }, + { &global_sid_NT_Authority, "NT Authority", nt_authority_users }, + { NULL, NULL, NULL }}; + +bool sid_check_is_wellknown_domain(const struct dom_sid *sid, const char **name) +{ + int i; + + for (i=0; special_domains[i].sid != NULL; i++) { + if (dom_sid_equal(sid, special_domains[i].sid)) { + if (name != NULL) { + *name = special_domains[i].name; + } + return True; + } + } + return False; +} + +bool sid_check_is_in_wellknown_domain(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_wellknown_domain(&dom_sid, NULL); +} + +/************************************************************************** + Looks up a known username from one of the known domains. +***************************************************************************/ + +bool lookup_wellknown_sid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid, + const char **domain, const char **name) +{ + int i; + struct dom_sid dom_sid; + uint32 rid; + const struct rid_name_map *users = NULL; + + sid_copy(&dom_sid, sid); + if (!sid_split_rid(&dom_sid, &rid)) { + DEBUG(2, ("Could not split rid from SID\n")); + return False; + } + + for (i=0; special_domains[i].sid != NULL; i++) { + if (dom_sid_equal(&dom_sid, special_domains[i].sid)) { + *domain = talloc_strdup(mem_ctx, + special_domains[i].name); + users = special_domains[i].known_users; + break; + } + } + + if (users == NULL) { + DEBUG(10, ("SID %s is no special sid\n", sid_string_dbg(sid))); + return False; + } + + for (i=0; users[i].name != NULL; i++) { + if (rid == users[i].rid) { + *name = talloc_strdup(mem_ctx, users[i].name); + return True; + } + } + + DEBUG(10, ("RID of special SID %s not found\n", sid_string_dbg(sid))); + + return False; +} + +/************************************************************************** + Try and map a name to one of the well known SIDs. +***************************************************************************/ + +bool lookup_wellknown_name(TALLOC_CTX *mem_ctx, const char *name, + struct dom_sid *sid, const char **domain) +{ + int i, j; + + DEBUG(10,("map_name_to_wellknown_sid: looking up %s\n", name)); + + for (i=0; special_domains[i].sid != NULL; i++) { + const struct rid_name_map *users = + special_domains[i].known_users; + + if (users == NULL) + continue; + + for (j=0; users[j].name != NULL; j++) { + if ( strequal(users[j].name, name) ) { + sid_compose(sid, special_domains[i].sid, + users[j].rid); + *domain = talloc_strdup( + mem_ctx, special_domains[i].name); + return True; + } + } + } + + return False; +} -- cgit