unix instance of group database API

(This used to be commit e76f593b3572ac881f1aa1fb3326d8b7169b0078)

3 files changed, 3 insertions, 627 deletions

diff --git a/source3/smbd/groupname.c b/source3/smbd/groupname.c
deleted file mode 100644
index 44625cf54a..0000000000
--- a/source3/smbd/groupname.c
+++ /dev/null
@@ -1,606 +0,0 @@
-/* 
-   Unix SMB/Netbios implementation.
-   Version 1.9.
-   Groupname handling
-   Copyright (C) Jeremy Allison 1998.
-   
-   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.
-*/
-
-/* 
- * UNIX gid and Local or Domain SID resolution.  This module resolves
- * only those entries in the map files, it is *NOT* responsible for
- * resolving UNIX groups not listed: that is an entirely different
- * matter, altogether...
- */
-
-/*
- *
- *
-
- format of the file is:
-
- unixname	NT Group name
- unixname	Domain Admins (well-known Domain Group)
- unixname	DOMAIN_NAME\NT Group name
- unixname	OTHER_DOMAIN_NAME\NT Group name
- unixname	DOMAIN_NAME\Domain Admins (well-known Domain Group)
- ....
-
- if the DOMAIN_NAME\ component is left off, then your own domain is assumed.
-
- *
- *
- */
-
-
-#include "includes.h"
-extern int DEBUGLEVEL;
-
-/* we can map either local aliases or domain groups */
-typedef enum 
-{
-	GROUP_LOCAL,
-	GROUP_DOMAIN
-
-} GROUP_TYPE;
-
-/**************************************************************************
- Groupname map functionality. The code loads a groupname map file and
- (currently) loads it into a linked list. This is slow and memory
- hungry, but can be changed into a more efficient storage format
- if the demands on it become excessive.
-***************************************************************************/
-
-typedef struct group_name_info
-{
-   char *nt_name;
-   char *nt_domain;
-   char *unix_name;
-
-   DOM_SID sid;
-   gid_t  unix_gid;
-
-} GROUP_NAME_INFO;
-
-typedef struct name_map
-{
-	ubi_slNode next;
-	GROUP_NAME_INFO grp;
-
-} name_map_entry;
-
-static ubi_slList groupname_map_list;
-static ubi_slList aliasname_map_list;
-
-static void delete_name_entry(name_map_entry *gmep)
-{
-	if (gmep->grp.nt_name)
-	{
-		free(gmep->grp.nt_name);
-	}
-	if (gmep->grp.nt_domain)
-	{
-		free(gmep->grp.nt_domain);
-	}
-	if (gmep->grp.unix_name)
-	{
-		free(gmep->grp.unix_name);
-	}
-	free((char*)gmep);
-}
-
-/**************************************************************************
- Delete all the entries in the name map list.
-***************************************************************************/
-
-static void delete_map_list(ubi_slList *map_list)
-{
-	name_map_entry *gmep;
-
-	while ((gmep = (name_map_entry *)ubi_slRemHead(map_list )) != NULL)
-	{
-		delete_name_entry(gmep);
-	}
-}
-
-
-/**************************************************************************
- makes a group sid out of a domain sid and a _unix_ gid.
-***************************************************************************/
-static BOOL make_mydomain_sid(GROUP_NAME_INFO *grp, GROUP_TYPE type)
-{
-	uint32 tmp_rid;
-	uint8  tmp_type;
-
-	DEBUG(10,("make_mydomain_sid\n"));
-
-	if (!map_domain_name_to_sid(&grp->sid, &(grp->nt_domain)))
-	{
-		DEBUG(0,("make_mydomain_sid: unknown domain %s\n",
-			  grp->nt_domain));
-		return False;
-	}
-	else if (lookup_wk_group_rid(grp->nt_name, &tmp_rid, &tmp_type))
-	{
-		return sid_append_rid(&grp->sid, tmp_rid);
-	}
-	else
-	{
-		if (type == GROUP_DOMAIN)
-		{
-			tmp_rid = pwdb_gid_to_group_rid(grp->unix_gid);
-		}
-		else
-		{
-			tmp_rid = pwdb_gid_to_alias_rid(grp->unix_gid);
-		}
-		return sid_append_rid(&(grp->sid), tmp_rid);
-	}
-}
-
-/**************************************************************************
- makes a group sid out of an nt domain, nt group name or a unix group name.
-***************************************************************************/
-static BOOL unix_name_to_group_info(GROUP_NAME_INFO *grp, GROUP_TYPE type)
-{
-	extern fstring global_sam_name;
-	struct group *gptr = NULL;
-
-	/*
-	 * Attempt to get the unix gid_t for this name.
-	 */
-
-	DEBUG(5,("unix_name_to_group_info: unix_name:%s\n", grp->unix_name));
-
-	gptr = (struct group *)getgrnam(grp->unix_name);
-	if (gptr == NULL)
-	{
-		DEBUG(0,("unix_name_to_group_info: getgrnam for group %s\
-failed. Error was %s.\n", grp->unix_name, strerror(errno) ));
-		return False;
-	}
-
-	grp->unix_gid = (gid_t)gptr->gr_gid;
-
-	DEBUG(5,("unix_name_to_group_info: unix gid:%d\n", grp->unix_gid));
-
-	/*
-	 * Now map the name to an NT SID+RID.
-	 */
-
-	if (grp->nt_domain != NULL && !strequal(grp->nt_domain, global_sam_name))
-	{
-		/* Must add client-call lookup code here, to 
-		 * resolve remote domain's sid and the group's rid,
-		 * in that domain.
-		 *
-		 * NOTE: it is _incorrect_ to put code here that assumes
-		 * that we can call pwdb_gid_to_group_rid() or _alias_rid():
-		 * it is a totally different domain for which we are *NOT*
-		 * responsible.
-		 * for foriegn domains for which we are *NOT* the PDC, all
-		 * we can be responsible for is the unix * gid_t to which
-		 * the foriegn SID+rid maps to, on this _local_ machine.  
-		 */
-
-		if (!map_domain_name_to_sid(&grp->sid, &(grp->nt_domain)))
-		{
-			DEBUG(0,("unix_name_to_group_info: no known sid for %s\n",
-				  grp->nt_domain));
-			return False;
-		}
-
-		DEBUG(0,("unix_name_to_group_info: cannot resolve domain %s\n",
-			  grp->nt_domain));
-
-		return False;
-	}
-	else
-	{
-		return make_mydomain_sid(grp, type);
-	}
-}
-
-static BOOL make_name_entry(name_map_entry **new_ep,
-		char *nt_domain, char *nt_group, char *unix_group,
-		GROUP_TYPE type)
-{
-	/*
-	 * Create the list entry and add it onto the list.
-	 */
-
-	DEBUG(5,("make_name_entry:%s,%s,%s\n", nt_domain, nt_group, unix_group));
-
-	(*new_ep) = (name_map_entry *)malloc(sizeof(name_map_entry));
-	if ((*new_ep) == NULL)
-	{
-		DEBUG(0,("make_name_entry: malloc fail for name_map_entry.\n"));
-		return False;
-	} 
-
-	ZERO_STRUCTP(*new_ep);
-
-	(*new_ep)->grp.nt_name   = strdup(nt_group  );
-	(*new_ep)->grp.nt_domain = strdup(nt_domain );
-	(*new_ep)->grp.unix_name = strdup(unix_group);
-
-	if ((*new_ep)->grp.nt_name   == NULL ||
-	    (*new_ep)->grp.unix_name == NULL)
-	{
-		DEBUG(0,("make_name_entry: malloc fail for names in name_map_entry.\n"));
-		delete_name_entry((*new_ep));
-		return False;
-	}
-
-	/*
-	 * look up the group names, make the Group-SID and unix gid
-	 */
- 
-	if (!unix_name_to_group_info(&(*new_ep)->grp, type))
-	{
-		delete_name_entry((*new_ep));
-		return False;
-	}
-
-	return True;
-}
-
-/**************************************************************************
- Load a name map file. Sets last accessed timestamp.
-***************************************************************************/
-static void load_name_map(GROUP_TYPE type)
-{
-	static time_t groupmap_file_last_modified = (time_t)0;
-	static time_t aliasmap_file_last_modified = (time_t)0;
-	static BOOL initialised_group = False;
-	static BOOL initialised_alias = False;
-	char *groupname_map_file = lp_groupname_map();
-	char *aliasname_map_file = lp_aliasname_map();
-
-	SMB_STRUCT_STAT st;
-	FILE *fp;
-	char *s;
-	pstring buf;
-	name_map_entry *new_ep;
-
-	time_t *file_last_modified;
-	int    *initialised;
-	char   *map_file;
-	ubi_slList *map_list;
-
-	if (type == GROUP_DOMAIN)
-	{
-		file_last_modified = &groupmap_file_last_modified;
-		initialised        = &initialised_group;
-		map_file           = groupname_map_file;
-		map_list           = &groupname_map_list;
-	}
-	else
-	{
-		file_last_modified = &aliasmap_file_last_modified;
-		initialised        = &initialised_alias;
-		map_file           = aliasname_map_file;
-		map_list           = &aliasname_map_list;
-	}
-
-	DEBUG(10,("load_name_map : %s\n", map_file));
-
-	if (!(*initialised))
-	{
-		ubi_slInitList(map_list);
-		(*initialised) = True;
-	}
-
-	if (!*map_file)
-	{
-		return;
-	}
-
-	if (sys_stat(map_file, &st) != 0)
-	{
-		DEBUG(0, ("load_name_map: Unable to stat file %s. Error was %s\n",
-		           map_file, strerror(errno) ));
-		return;
-	}
-
-	/*
-	 * Check if file has changed.
-	 */
-	if (st.st_mtime <= (*file_last_modified))
-	{
-		return;
-	}
-
-	(*file_last_modified) = st.st_mtime;
-
-	/*
-	 * Load the file.
-	 */
-
-	fp = sys_fopen(map_file,"r");
-	if (!fp)
-	{
-		DEBUG(0,("load_name_map: can't open name map %s. Error was %s\n",
-		          map_file, strerror(errno)));
-		return;
-	}
-
-	/*
-	 * Throw away any previous list.
-	 */
-	delete_map_list(map_list);
-
-	DEBUG(4,("load_name_map: Scanning name map %s\n",map_file));
-
-	while ((s = fgets_slash(buf, sizeof(buf), fp)) != NULL)
-	{
-		pstring unixname;
-		pstring nt_name;
-		fstring nt_domain;
-		fstring nt_group;
-		char *p;
-
-		DEBUG(10,("Read line |%s|\n", s));
-
-		memset(nt_name, 0, sizeof(nt_name));
-
-		if (!*s || strchr("#;",*s))
-			continue;
-
-		if (!next_token(&s,unixname, "\t\n\r=", sizeof(unixname)))
-			continue;
-
-		if (!next_token(&s,nt_name, "\t\n\r=", sizeof(nt_name)))
-			continue;
-
-		trim_string(unixname, " ", " ");
-		trim_string(nt_name, " ", " ");
-
-		if (!*nt_name)
-			continue;
-
-		if (!*unixname)
-			continue;
-
-		DEBUG(5,("unixname = %s, ntname = %s.\n",
-		          unixname, nt_name));
-
-		p = strchr(nt_name, '\\');
-
-		if (p == NULL)
-		{
-			memset(nt_domain, 0, sizeof(nt_domain));
-			fstrcpy(nt_group, nt_name);
-		}
-		else
-		{
-			*p = 0;
-			p++;
-			fstrcpy(nt_domain, nt_name);
-			fstrcpy(nt_group , p);
-		}
-
-		if (make_name_entry(&new_ep, nt_domain, nt_name, unixname, type))
-		{
-			ubi_slAddHead(map_list, (ubi_slNode *)new_ep);
-		}
-	}
-
-	DEBUG(10,("load_name_map: Added %ld entries to name map.\n",
-	ubi_slCount(map_list)));
-
-	fclose(fp);
-}
-
-/***********************************************************
- Lookup a gid_t by SID
-************************************************************/
-static BOOL map_sid_to_gid(GROUP_TYPE type, ubi_slList *map_list,
-		DOM_SID *psid, gid_t *gid)
-{
-	name_map_entry *gmep;
-
-	/*
-	 * Initialize and load if not already loaded.
-	 */
-	load_name_map(type);
-
-	for (gmep = (name_map_entry *)ubi_slFirst(map_list);
-	     gmep != NULL;
-	     gmep = (name_map_entry *)ubi_slNext(gmep ))
-	{
-		if (sid_equal(&gmep->grp.sid, psid))
-		{
-			*gid = gmep->grp.unix_gid;
-			DEBUG(7,("map_sid_to_gid: Mapping unix group %s to nt group %s.\n",
-			       gmep->grp.unix_name, gmep->grp.nt_name ));
-			return True;
-		}
-	}
-
-	return False;
-}
-
-/***********************************************************
- Lookup a SID entry by nt name.
-************************************************************/
-static BOOL map_sid_to_ntname(GROUP_TYPE type, ubi_slList *map_list,
-		DOM_SID *psid, char *ntname, char *ntdomain)
-{
-	name_map_entry *gmep;
-
-	/*
-	 * Initialize and load if not already loaded.
-	 */
-	load_name_map(type);
-
-	for (gmep = (name_map_entry *)ubi_slFirst(&map_list);
-	     gmep != NULL;
-	     gmep = (name_map_entry *)ubi_slNext(gmep ))
-	{
-		if (sid_equal(&gmep->grp.sid, psid))
-		{
-			if (ntname != NULL)
-			{
-				fstrcpy(ntname, gmep->grp.nt_name);
-			}
-			if (ntdomain != NULL)
-			{
-				fstrcpy(ntname, gmep->grp.nt_domain);
-			}
-			DEBUG(7,("map_sid_to_ntname: Mapping unix group %s to nt group \\%s\\%s\n",
-			       gmep->grp.unix_name,
-			       gmep->grp.nt_domain, gmep->grp.nt_name ));
-			return True;
-		}
-	}
-
-	return False;
-}
-
-/***********************************************************
- Lookup a SID entry by nt name.
-************************************************************/
-static BOOL map_ntname_to_sid(GROUP_TYPE type, ubi_slList *map_list,
-		char * ntname, DOM_SID *psid)
-{
-	name_map_entry *gmep;
-
-	/*
-	 * Initialize and load if not already loaded.
-	 */
-	load_name_map(type);
-
-	for (gmep = (name_map_entry *)ubi_slFirst(&map_list);
-	     gmep != NULL;
-	     gmep = (name_map_entry *)ubi_slNext(gmep ))
-	{
-		if (strequal(gmep->grp.nt_name, ntname))
-		{
-			*psid = gmep->grp.sid;
-			DEBUG(7,("map_ntname_to_sid: Mapping unix group %s to nt group %s.\n",
-			       gmep->grp.unix_name, gmep->grp.nt_name ));
-			return True;
-		}
-	}
-
-	return False;
-}
-
-/***********************************************************
- Lookup a SID entry by gid_t.
-************************************************************/
-static BOOL map_gid_to_sid(GROUP_TYPE type, ubi_slList *map_list,
-		gid_t gid, DOM_SID *psid)
-{
-	name_map_entry *gmep;
-
-	/*
-	 * Initialize and load if not already loaded.
-	 */
-	load_name_map(type);
-
-	for (gmep = (name_map_entry *)ubi_slFirst(&map_list);
-	     gmep != NULL;
-	     gmep = (name_map_entry *)ubi_slNext(gmep ))
-	{
-		if (gmep->grp.unix_gid == gid)
-		{
-			*psid = gmep->grp.sid;
-			DEBUG(7,("map_gid_to_sid: Mapping unix group %s to nt group %s.\n",
-			       gmep->grp.unix_name, gmep->grp.nt_name ));
-			return True;
-		}
-	}
-
-	return False;
-}
-
-/*
- * Call these four functions to resolve unix group ids and either
- * local group SIDs or domain group SIDs listed in the local group
- * or domain group map files.
- *
- * Note that it is *NOT* the responsibility of these functions to
- * resolve entries that are not in the map files.
- *
- * Any SID can be in the map files (i.e from any Domain).
- */
-
-/***********************************************************
- Lookup a Group entry by sid.
-************************************************************/
-BOOL map_group_sid_to_name(DOM_SID *psid, char *group_name, char *nt_domain)
-{
-	return map_sid_to_ntname(GROUP_DOMAIN, &groupname_map_list, psid, group_name, nt_domain);
-}
-
-/***********************************************************
- Lookup an Alias SID entry by name.
-************************************************************/
-BOOL map_alias_sid_to_name(DOM_SID *psid, char *alias_name, char *nt_domain)
-{
-	return map_sid_to_ntname(GROUP_LOCAL, &aliasname_map_list, psid, alias_name, nt_domain);
-}
-
-/***********************************************************
- Lookup a Group SID entry by name.
-************************************************************/
-BOOL map_group_name_to_sid(char *group_name, DOM_SID *psid)
-{
-	return map_ntname_to_sid(GROUP_DOMAIN, &groupname_map_list, group_name, psid);
-}
-
-/***********************************************************
- Lookup an Alias SID entry by name.
-************************************************************/
-BOOL map_alias_name_to_sid(char *alias_name, DOM_SID *psid)
-{
-	return map_ntname_to_sid(GROUP_LOCAL, &aliasname_map_list, alias_name, psid);
-}
-
-/***********************************************************
- Lookup an Alias SID entry by gid_t.
-************************************************************/
-BOOL map_gid_to_alias_sid(gid_t gid, DOM_SID *psid)
-{
-	return map_gid_to_sid(GROUP_LOCAL, &aliasname_map_list, gid, psid);
-}
-
-/***********************************************************
- Lookup a Group SID entry by gid_t.
-************************************************************/
-BOOL map_gid_to_group_sid( gid_t gid, DOM_SID *psid)
-{
-	return map_gid_to_sid(GROUP_DOMAIN, &groupname_map_list, gid, psid);
-}
-
-/***********************************************************
- Lookup a Group gid_t by SID
-************************************************************/
-BOOL map_group_sid_to_gid( DOM_SID *psid, gid_t *gid)
-{
-	return map_sid_to_gid(GROUP_DOMAIN, &groupname_map_list, psid, gid);
-}
-
-/***********************************************************
- Lookup an Alias gid_t by SID
-************************************************************/
-BOOL map_alias_sid_to_gid( DOM_SID *psid, gid_t *gid)
-{
-	return map_sid_to_gid(GROUP_LOCAL, &aliasname_map_list, psid, gid);
-}
-
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 8aacfa3867..60620c9854 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -615,8 +615,8 @@ int reply_ntcreate_and_X(connection_struct *conn,
 	
 	/* If it's an IPC, use the pipe handler. */
 
-	if (IS_IPC(conn) && lp_nt_pipe_support()) {
-
+	if (IS_IPC(conn) && lp_nt_pipe_support() && lp_security() != SEC_SHARE)
+	{
 		int ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum);
 		if(ret != 0)
 			return ret;
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index 49816e5d47..e064b52dfa 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -652,26 +652,8 @@ static void usage(char *pname)
 	codepage_initialise(lp_client_code_page());
 
 	fstrcpy(global_myworkgroup, lp_workgroup());
- 	memset(global_sam_name, 0, sizeof(global_sam_name));
 
-	if (lp_domain_logons())
-	{
-		if (lp_security() == SEC_USER)
-		{
-			/* we are PDC (or BDC) for a Domain */
-			fstrcpy(global_sam_name, lp_workgroup());
-		}
-		else if (lp_security() == SEC_DOMAIN)
-		{
-			/* we are a "PDC", but FOR LOCAL SAM DATABASE ONLY */
-			fstrcpy(global_sam_name, global_myname);
-		}
-		else if (lp_security() == SEC_SHARE)
-		{
-			DEBUG(0,("ERROR: no Domain functionality in security = share\n"));
-			exit(1);
-		}
-	}
+	get_sam_domain_name();
 
 	generate_wellknown_sids();