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https://github.com/samba-team/samba.git
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bcee6c1fe2
Guenther
174 lines
4.5 KiB
C
174 lines
4.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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Lookup routines for well-known SIDs
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Copyright (C) Andrew Tridgell 1992-1998
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Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
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Copyright (C) Jeremy Allison 1999
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Copyright (C) Volker Lendecke 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "../libcli/security/security.h"
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struct rid_name_map {
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uint32 rid;
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const char *name;
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};
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struct sid_name_map_info
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{
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const struct dom_sid *sid;
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const char *name;
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const struct rid_name_map *known_users;
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};
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static const struct rid_name_map everyone_users[] = {
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{ 0, "Everyone" },
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{ 0, NULL}};
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static const struct rid_name_map creator_owner_users[] = {
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{ 0, "Creator Owner" },
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{ 1, "Creator Group" },
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{ 0, NULL}};
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static const struct rid_name_map nt_authority_users[] = {
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{ 1, "Dialup" },
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{ 2, "Network"},
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{ 3, "Batch"},
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{ 4, "Interactive"},
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{ 6, "Service"},
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{ 7, "AnonymousLogon"},
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{ 7, "Anonymous Logon"},
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{ 8, "Proxy"},
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{ 9, "ServerLogon"},
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{ 10, "Self"},
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{ 11, "Authenticated Users"},
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{ 12, "Restricted"},
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{ 13, "Terminal Server User"},
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{ 14, "Remote Interactive Logon"},
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{ 15, "This Organization"},
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{ 18, "SYSTEM"},
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{ 19, "Local Service"},
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{ 20, "Network Service"},
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{ 0, NULL}};
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static struct sid_name_map_info special_domains[] = {
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{ &global_sid_World_Domain, "", everyone_users },
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{ &global_sid_Creator_Owner_Domain, "", creator_owner_users },
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{ &global_sid_NT_Authority, "NT Authority", nt_authority_users },
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{ NULL, NULL, NULL }};
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bool sid_check_is_wellknown_domain(const struct dom_sid *sid, const char **name)
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{
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int i;
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for (i=0; special_domains[i].sid != NULL; i++) {
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if (dom_sid_equal(sid, special_domains[i].sid)) {
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if (name != NULL) {
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*name = special_domains[i].name;
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}
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return True;
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}
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}
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return False;
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}
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bool sid_check_is_in_wellknown_domain(const struct dom_sid *sid)
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{
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struct dom_sid dom_sid;
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sid_copy(&dom_sid, sid);
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sid_split_rid(&dom_sid, NULL);
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return sid_check_is_wellknown_domain(&dom_sid, NULL);
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}
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/**************************************************************************
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Looks up a known username from one of the known domains.
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***************************************************************************/
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bool lookup_wellknown_sid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,
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const char **domain, const char **name)
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{
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int i;
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struct dom_sid dom_sid;
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uint32 rid;
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const struct rid_name_map *users = NULL;
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sid_copy(&dom_sid, sid);
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if (!sid_split_rid(&dom_sid, &rid)) {
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DEBUG(2, ("Could not split rid from SID\n"));
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return False;
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}
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for (i=0; special_domains[i].sid != NULL; i++) {
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if (dom_sid_equal(&dom_sid, special_domains[i].sid)) {
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*domain = talloc_strdup(mem_ctx,
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special_domains[i].name);
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users = special_domains[i].known_users;
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break;
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}
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}
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if (users == NULL) {
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DEBUG(10, ("SID %s is no special sid\n", sid_string_dbg(sid)));
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return False;
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}
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for (i=0; users[i].name != NULL; i++) {
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if (rid == users[i].rid) {
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*name = talloc_strdup(mem_ctx, users[i].name);
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return True;
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}
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}
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DEBUG(10, ("RID of special SID %s not found\n", sid_string_dbg(sid)));
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return False;
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}
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/**************************************************************************
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Try and map a name to one of the well known SIDs.
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***************************************************************************/
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bool lookup_wellknown_name(TALLOC_CTX *mem_ctx, const char *name,
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struct dom_sid *sid, const char **domain)
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{
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int i, j;
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DEBUG(10,("map_name_to_wellknown_sid: looking up %s\n", name));
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for (i=0; special_domains[i].sid != NULL; i++) {
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const struct rid_name_map *users =
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special_domains[i].known_users;
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if (users == NULL)
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continue;
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for (j=0; users[j].name != NULL; j++) {
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if ( strequal(users[j].name, name) ) {
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sid_compose(sid, special_domains[i].sid,
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users[j].rid);
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*domain = talloc_strdup(
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mem_ctx, special_domains[i].name);
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return True;
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}
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}
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}
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return False;
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}
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