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-rw-r--r--source3/passdb/util_sam_sid.c275
1 files changed, 275 insertions, 0 deletions
diff --git a/source3/passdb/util_sam_sid.c b/source3/passdb/util_sam_sid.c
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+++ b/source3/passdb/util_sam_sid.c
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+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
+ Copyright (C) Jeremy Allison 1999
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+extern pstring global_myname;
+extern fstring global_myworkgroup;
+
+#define MAX_SID_NAMES 7
+
+typedef struct _known_sid_users {
+ uint32 rid;
+ enum SID_NAME_USE sid_name_use;
+ char *known_user_name;
+} known_sid_users;
+
+static struct sid_name_map_info
+{
+ DOM_SID *sid;
+ char *name;
+ known_sid_users *known_users;
+} sid_name_map[MAX_SID_NAMES];
+
+extern DOM_SID global_sid_Builtin; /* Local well-known domain */
+extern DOM_SID global_sid_World_Domain; /* Everyone domain */
+extern DOM_SID global_sid_Creator_Owner_Domain; /* Creator Owner domain */
+extern DOM_SID global_sid_NT_Authority; /* NT Authority */
+
+
+static BOOL sid_name_map_initialized = False;
+/* static known_sid_users no_users[] = {{0, 0, NULL}}; */
+
+static known_sid_users everyone_users[] = {
+ { 0, SID_NAME_WKN_GRP, "Everyone" },
+ {0, (enum SID_NAME_USE)0, NULL}};
+
+static known_sid_users creator_owner_users[] = {
+ { 0, SID_NAME_ALIAS, "Creator Owner" },
+ {0, (enum SID_NAME_USE)0, NULL}};
+
+static known_sid_users nt_authority_users[] = {
+ { 1, SID_NAME_ALIAS, "Dialup" },
+ { 2, SID_NAME_ALIAS, "Network"},
+ { 3, SID_NAME_ALIAS, "Batch"},
+ { 4, SID_NAME_ALIAS, "Interactive"},
+ { 6, SID_NAME_ALIAS, "Service"},
+ { 7, SID_NAME_ALIAS, "AnonymousLogon"},
+ { 8, SID_NAME_ALIAS, "Proxy"},
+ { 9, SID_NAME_ALIAS, "ServerLogon"},
+ { 11, SID_NAME_ALIAS, "Authenticated Users"},
+ { 18, SID_NAME_ALIAS, "SYSTEM"},
+ { 0, (enum SID_NAME_USE)0, NULL}};
+
+static known_sid_users builtin_groups[] = {
+ { BUILTIN_ALIAS_RID_ADMINS, SID_NAME_ALIAS, "Administrators" },
+ { BUILTIN_ALIAS_RID_USERS, SID_NAME_ALIAS, "Users" },
+ { BUILTIN_ALIAS_RID_GUESTS, SID_NAME_ALIAS, "Guests" },
+ { BUILTIN_ALIAS_RID_ACCOUNT_OPS, SID_NAME_ALIAS, "Account Operators" },
+ { BUILTIN_ALIAS_RID_SYSTEM_OPS, SID_NAME_ALIAS, "Server Operators" },
+ { BUILTIN_ALIAS_RID_PRINT_OPS, SID_NAME_ALIAS, "Print Operators" },
+ { BUILTIN_ALIAS_RID_BACKUP_OPS, SID_NAME_ALIAS, "Backup Operators" },
+ { 0, (enum SID_NAME_USE)0, NULL}};
+
+
+
+/**************************************************************************
+ quick init function
+ *************************************************************************/
+static void init_sid_name_map (void)
+{
+ int i = 0;
+
+ if (sid_name_map_initialized) return;
+
+ generate_wellknown_sids();
+
+ if ((lp_security() == SEC_USER) && lp_domain_logons()) {
+ sid_name_map[i].sid = get_global_sam_sid();
+ sid_name_map[i].name = global_myworkgroup;
+ sid_name_map[i].known_users = NULL;
+ i++;
+ sid_name_map[i].sid = get_global_sam_sid();
+ sid_name_map[i].name = global_myname;
+ sid_name_map[i].known_users = NULL;
+ i++;
+ }
+ else {
+ sid_name_map[i].sid = get_global_sam_sid();
+ sid_name_map[i].name = global_myname;
+ sid_name_map[i].known_users = NULL;
+ i++;
+ }
+
+ sid_name_map[i].sid = &global_sid_Builtin;
+ sid_name_map[i].name = "BUILTIN";
+ sid_name_map[i].known_users = &builtin_groups[0];
+ i++;
+
+ sid_name_map[i].sid = &global_sid_World_Domain;
+ sid_name_map[i].name = "";
+ sid_name_map[i].known_users = &everyone_users[0];
+ i++;
+
+ sid_name_map[i].sid = &global_sid_Creator_Owner_Domain;
+ sid_name_map[i].name = "";
+ sid_name_map[i].known_users = &creator_owner_users[0];
+ i++;
+
+ sid_name_map[i].sid = &global_sid_NT_Authority;
+ sid_name_map[i].name = "NT Authority";
+ sid_name_map[i].known_users = &nt_authority_users[0];
+ i++;
+
+
+ /* end of array */
+ sid_name_map[i].sid = NULL;
+ sid_name_map[i].name = NULL;
+ sid_name_map[i].known_users = NULL;
+
+ sid_name_map_initialized = True;
+
+ return;
+
+}
+
+/**************************************************************************
+ Turns a domain SID into a name, returned in the nt_domain argument.
+***************************************************************************/
+
+BOOL map_domain_sid_to_name(DOM_SID *sid, fstring nt_domain)
+{
+ fstring sid_str;
+ int i = 0;
+
+ sid_to_string(sid_str, sid);
+
+ if (!sid_name_map_initialized)
+ init_sid_name_map();
+
+ DEBUG(5,("map_domain_sid_to_name: %s\n", sid_str));
+
+ if (nt_domain == NULL)
+ return False;
+
+ while (sid_name_map[i].sid != NULL) {
+ sid_to_string(sid_str, sid_name_map[i].sid);
+ DEBUG(5,("map_domain_sid_to_name: compare: %s\n", sid_str));
+ if (sid_equal(sid_name_map[i].sid, sid)) {
+ fstrcpy(nt_domain, sid_name_map[i].name);
+ DEBUG(5,("map_domain_sid_to_name: found '%s'\n", nt_domain));
+ return True;
+ }
+ i++;
+ }
+
+ DEBUG(5,("map_domain_sid_to_name: mapping for %s not found\n", sid_str));
+
+ return False;
+}
+
+/**************************************************************************
+ Looks up a known username from one of the known domains.
+***************************************************************************/
+
+BOOL lookup_known_rid(DOM_SID *sid, uint32 rid, char *name, enum SID_NAME_USE *psid_name_use)
+{
+ int i = 0;
+ struct sid_name_map_info *psnm;
+
+ if (!sid_name_map_initialized)
+ init_sid_name_map();
+
+ for(i = 0; sid_name_map[i].sid != NULL; i++) {
+ psnm = &sid_name_map[i];
+ if(sid_equal(psnm->sid, sid)) {
+ int j;
+ for(j = 0; psnm->known_users && psnm->known_users[j].known_user_name != NULL; j++) {
+ if(rid == psnm->known_users[j].rid) {
+ DEBUG(5,("lookup_builtin_rid: rid = %u, domain = '%s', user = '%s'\n",
+ (unsigned int)rid, psnm->name, psnm->known_users[j].known_user_name ));
+ fstrcpy( name, psnm->known_users[j].known_user_name);
+ *psid_name_use = psnm->known_users[j].sid_name_use;
+ return True;
+ }
+ }
+ }
+ }
+
+ return False;
+}
+
+/**************************************************************************
+ Turns a domain name into a SID.
+ *** side-effect: if the domain name is NULL, it is set to our domain ***
+***************************************************************************/
+
+BOOL map_domain_name_to_sid(DOM_SID *sid, char *nt_domain)
+{
+ int i = 0;
+
+ if (nt_domain == NULL) {
+ DEBUG(5,("map_domain_name_to_sid: mapping NULL domain to our SID.\n"));
+ sid_copy(sid, get_global_sam_sid());
+ return True;
+ }
+
+ if (nt_domain[0] == 0) {
+ fstrcpy(nt_domain, global_myname);
+ DEBUG(5,("map_domain_name_to_sid: overriding blank name to %s\n", nt_domain));
+ sid_copy(sid, get_global_sam_sid());
+ return True;
+ }
+
+ DEBUG(5,("map_domain_name_to_sid: %s\n", nt_domain));
+
+ if (!sid_name_map_initialized)
+ init_sid_name_map();
+
+ while (sid_name_map[i].name != NULL) {
+ DEBUG(5,("map_domain_name_to_sid: compare: %s\n", sid_name_map[i].name));
+ if (strequal(sid_name_map[i].name, nt_domain)) {
+ fstring sid_str;
+ sid_copy(sid, sid_name_map[i].sid);
+ sid_to_string(sid_str, sid_name_map[i].sid);
+ DEBUG(5,("map_domain_name_to_sid: found %s\n", sid_str));
+ return True;
+ }
+ i++;
+ }
+
+ DEBUG(0,("map_domain_name_to_sid: mapping to %s not found.\n", nt_domain));
+ return False;
+}
+
+/*****************************************************************
+ Check if the SID is our domain SID (S-1-5-21-x-y-z).
+*****************************************************************/
+BOOL sid_check_is_domain(const DOM_SID *sid)
+{
+ return sid_equal(sid, get_global_sam_sid());
+}
+
+/*****************************************************************
+ Check if the SID is our domain SID (S-1-5-21-x-y-z).
+*****************************************************************/
+BOOL sid_check_is_in_our_domain(const DOM_SID *sid)
+{
+ DOM_SID dom_sid;
+ uint32 rid;
+
+ sid_copy(&dom_sid, sid);
+ sid_split_rid(&dom_sid, &rid);
+
+ return sid_equal(&dom_sid, get_global_sam_sid());
+}
+