Move the code from lib/util_sid.c that deals with the global_sam_sid into

a file that is linked with the passdb.

This is to avoid linking insanity when this global becomes a self-initing
function.
(This used to be commit 743afd96cb54b4966e3afad11ea987f968b98651)

1 files changed, 280 insertions, 0 deletions

diff --git a/source3/passdb/util_sam_sid.c b/source3/passdb/util_sam_sid.c
new file mode 100644
index 0000000000..a9cec5c5ca
--- /dev/null
+++ b/source3/passdb/util_sam_sid.c
@@ -0,0 +1,280 @@
+/* 
+   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"
+
+DOM_SID global_sam_sid;
+extern pstring global_myname;
+extern fstring global_myworkgroup;
+
+/* NOTE! the global_sam_sid is the SID of our local SAM. This is only
+   equal to the domain SID when we are a DC, otherwise its our
+   workstation SID */
+
+#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 = &global_sam_sid;
+		sid_name_map[i].name = global_myworkgroup;
+		sid_name_map[i].known_users = NULL;
+		i++;
+		sid_name_map[i].sid = &global_sam_sid;
+		sid_name_map[i].name = global_myname;
+		sid_name_map[i].known_users = NULL;
+		i++;
+	}
+	else {
+		sid_name_map[i].sid = &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, &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, &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, &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, &global_sam_sid);
+}
+