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-rw-r--r--source3/groupdb/builtindb.c459
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diff --git a/source3/groupdb/builtindb.c b/source3/groupdb/builtindb.c
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+/*
+ Unix SMB/Netbios implementation.
+ Version 1.9.
+ Pasesword and authentication handling
+ Copyright (C) Jeremy Allison 1996-1998
+ Copyright (C) Luke Kenneth Caseson Leighton 1996-1998
+
+ 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 Mases Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "nterr.h"
+
+extern int DEBUGLEVEL;
+
+extern fstring global_sam_name;
+extern DOM_SID global_sam_sid;
+
+/*
+ * NOTE. All these functions are abstracted into a structure
+ * that points to the correct function for the selected database. JRA.
+ */
+
+static struct aliasdb_ops *bidb_ops = NULL;
+
+/***************************************************************
+ Initialise the builtin db operations.
+***************************************************************/
+
+BOOL initialise_builtin_db(void)
+{
+ if (bidb_ops)
+ {
+ return True;
+ }
+
+#ifdef WITH_NISPLUS
+ bidb_ops = nisplus_initialise_builtin_db();
+#elif defined(WITH_LDAP)
+ bidb_ops = ldap_initialise_builtin_db();
+#elif defined(USE_SMBUNIX_DB)
+ bidb_ops = unix_initialise_builtin_db();
+#endif
+
+ return (bidb_ops != NULL);
+}
+
+/*
+ * Functions that return/manipulate a LOCAL_GRP.
+ */
+
+/************************************************************************
+ Utility function to search builtin database by gid: the LOCAL_GRP
+ structure does not have a gid member, so we have to convert here
+ from gid to builtin rid.
+*************************************************************************/
+LOCAL_GRP *iterate_getbuiltingid(gid_t gid, LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ DOM_NAME_MAP gmep;
+ uint32 rid;
+ if (!lookupsmbgrpgid(gid, &gmep))
+ {
+ DEBUG(0,("iterate_getbuiltingid: gid %d does not map to one of our Domain's Aliases\n", gid));
+ return NULL;
+ }
+
+ if (gmep.type != SID_NAME_ALIAS )
+ {
+ DEBUG(0,("iterate_getbuiltingid: gid %d does not map to one of our Domain's Aliases\n", gid));
+ return NULL;
+ }
+
+ sid_split_rid(&gmep.sid, &rid);
+ if (!sid_equal(&gmep.sid, &global_sam_sid))
+ {
+ DEBUG(0,("iterate_getbuiltingid: gid %d does not map into our Domain SID\n", gid));
+ return NULL;
+ }
+
+ return iterate_getbuiltinrid(rid, mem, num_mem);
+}
+
+/************************************************************************
+ Utility function to search builtin database by rid. use this if your database
+ does not have search facilities.
+*************************************************************************/
+LOCAL_GRP *iterate_getbuiltinrid(uint32 rid, LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ LOCAL_GRP *blt = NULL;
+ void *fp = NULL;
+
+ DEBUG(10, ("search by rid: 0x%x\n", rid));
+
+ /* Open the builtin database file - not for update. */
+ fp = startbuiltinent(False);
+
+ if (fp == NULL)
+ {
+ DEBUG(0, ("unable to open builtin database.\n"));
+ return NULL;
+ }
+
+ while ((blt = getbuiltinent(fp, mem, num_mem)) != NULL && blt->rid != rid)
+ {
+ DEBUG(10,("iterate: %s 0x%x", blt->name, blt->rid));
+ }
+
+ if (blt != NULL)
+ {
+ DEBUG(10, ("found builtin %s by rid: 0x%x\n", blt->name, rid));
+ }
+
+ endbuiltinent(fp);
+ return blt;
+}
+
+/************************************************************************
+ Utility function to search builtin database by name. use this if your database
+ does not have search facilities.
+*************************************************************************/
+LOCAL_GRP *iterate_getbuiltinntnam(const char *name, LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ LOCAL_GRP *blt = NULL;
+ void *fp = NULL;
+
+ DEBUG(10, ("search by name: %s\n", name));
+
+ /* Open the builtin database file - not for update. */
+ fp = startbuiltinent(False);
+
+ if (fp == NULL)
+ {
+ DEBUG(0, ("unable to open builtin database.\n"));
+ return NULL;
+ }
+
+ while ((blt = getbuiltinent(fp, mem, num_mem)) != NULL && !strequal(blt->name, name))
+ {
+ }
+
+ if (blt != NULL)
+ {
+ DEBUG(10, ("found by name: %s\n", name));
+ }
+
+ endbuiltinent(fp);
+ return blt;
+}
+
+/*************************************************************************
+ Routine to return the next entry in the smbdomainbuiltin list.
+ *************************************************************************/
+BOOL add_domain_builtin(LOCAL_GRP **blts, int *num_blts, LOCAL_GRP *blt)
+{
+ if (blts == NULL || num_blts == NULL || blt == NULL)
+ {
+ return False;
+ }
+
+ (*blts) = Realloc((*blts), ((*num_blts)+1) * sizeof(LOCAL_GRP));
+ if ((*blts) == NULL)
+ {
+ return False;
+ }
+
+ DEBUG(10,("adding builtin %s(%s)\n", blt->name, blt->comment));
+
+ fstrcpy((*blts)[(*num_blts)].name , blt->name);
+ fstrcpy((*blts)[(*num_blts)].comment, blt->comment);
+ (*blts)[(*num_blts)].rid = blt->rid;
+
+ (*num_blts)++;
+
+ return True;
+}
+
+/*************************************************************************
+ checks to see if a user is a member of a domain builtin
+ *************************************************************************/
+static BOOL user_is_member(const char *user_name, LOCAL_GRP_MEMBER *mem, int num_mem)
+{
+ int i;
+ pstring name;
+ slprintf(name, sizeof(name)-1, "%s\\%s", global_sam_name, user_name);
+
+ for (i = 0; i < num_mem; i++)
+ {
+ DEBUG(10,("searching against user %s...\n", mem[i].name));
+ if (strequal(mem[i].name, name))
+ {
+ DEBUG(10,("searching for user %s: found\n", name));
+ return True;
+ }
+ }
+ DEBUG(10,("searching for user %s: not found\n", name));
+ return False;
+}
+
+/*************************************************************************
+ gets an array of builtin aliases that a user is in. use this if your database
+ does not have search facilities
+ *************************************************************************/
+BOOL iterate_getuserbuiltinntnam(const char *user_name, LOCAL_GRP **blts, int *num_blts)
+{
+ LOCAL_GRP *blt = NULL;
+ LOCAL_GRP_MEMBER *mem = NULL;
+ int num_mem = 0;
+ void *fp = NULL;
+
+ DEBUG(10, ("search for userbuiltin by name: %s\n", user_name));
+
+ if (user_name == NULL || blts == NULL || num_blts == NULL)
+ {
+ return False;
+ }
+
+ (*blts) = NULL;
+ (*num_blts) = 0;
+
+ /* Open the builtin database file - not for update. */
+ fp = startbuiltinent(False);
+
+ if (fp == NULL)
+ {
+ DEBUG(0, ("unable to open builtin database.\n"));
+ return False;
+ }
+
+ /* iterate through all builtin aliases. search members for required user */
+ while ((blt = getbuiltinent(fp, &mem, &num_mem)) != NULL)
+ {
+ DEBUG(5,("builtin name %s members: %d\n", blt->name, num_mem));
+ if (num_mem != 0 && mem != NULL)
+ {
+ BOOL ret = True;
+ if (user_is_member(user_name, mem, num_mem))
+ {
+ ret = add_domain_builtin(blts, num_blts, blt);
+ }
+
+ free(mem);
+ mem = NULL;
+ num_mem = 0;
+
+ if (!ret)
+ {
+ (*num_blts) = 0;
+ break;
+ }
+ }
+ }
+
+ if ((*num_blts) != 0)
+ {
+ DEBUG(10, ("found %d user builtin aliases:\n", (*num_blts)));
+ }
+
+ endbuiltinent(fp);
+ return True;
+}
+
+/*************************************************************************
+ gets an array of builtin aliases that a user is in. use this if your database
+ does not have search facilities
+ *************************************************************************/
+BOOL enumdombuiltins(LOCAL_GRP **blts, int *num_blts)
+{
+ LOCAL_GRP *blt = NULL;
+ void *fp = NULL;
+
+ DEBUG(10, ("enum user builtin aliases\n"));
+
+ if (blts == NULL || num_blts == NULL)
+ {
+ return False;
+ }
+
+ (*blts) = NULL;
+ (*num_blts) = 0;
+
+ /* Open the builtin database file - not for update. */
+ fp = startbuiltinent(False);
+
+ if (fp == NULL)
+ {
+ DEBUG(0, ("unable to open builtin database.\n"));
+ return False;
+ }
+
+ /* iterate through all builtin aliases. */
+ while ((blt = getbuiltinent(fp, NULL, NULL)) != NULL)
+ {
+ if (!add_domain_builtin(blts, num_blts, blt))
+ {
+ DEBUG(0,("unable to add builtin while enumerating\n"));
+ return False;
+ }
+ }
+
+ if ((*num_blts) != 0)
+ {
+ DEBUG(10, ("found %d user builtin aliases:\n", (*num_blts)));
+ }
+
+ endbuiltinent(fp);
+ return True;
+}
+
+/***************************************************************
+ Start to enumerate the builtin database list. Returns a void pointer
+ to ensure no modification outside this module.
+****************************************************************/
+
+void *startbuiltinent(BOOL update)
+{
+ return bidb_ops->startaliasent(update);
+}
+
+/***************************************************************
+ End enumeration of the builtin database list.
+****************************************************************/
+
+void endbuiltinent(void *vp)
+{
+ bidb_ops->endaliasent(vp);
+}
+
+/*************************************************************************
+ Routine to return the next entry in the builtin database list.
+ *************************************************************************/
+
+LOCAL_GRP *getbuiltinent(void *vp, LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ return bidb_ops->getaliasent(vp, mem, num_mem);
+}
+
+/************************************************************************
+ Routine to add an entry to the builtin database file.
+*************************************************************************/
+
+BOOL add_builtin_entry(LOCAL_GRP *newblt)
+{
+ return bidb_ops->add_alias_entry(newblt);
+}
+
+/************************************************************************
+ Routine to search the builtin database file for an entry matching the builtinname.
+ and then replace the entry.
+************************************************************************/
+
+BOOL mod_builtin_entry(LOCAL_GRP* blt)
+{
+ return bidb_ops->mod_alias_entry(blt);
+}
+
+/************************************************************************
+ Routine to search builtin database by name.
+*************************************************************************/
+
+LOCAL_GRP *getbuiltinntnam(const char *name, LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ return bidb_ops->getaliasntnam(name, mem, num_mem);
+}
+
+/************************************************************************
+ Routine to search builtin database by builtin rid.
+*************************************************************************/
+
+LOCAL_GRP *getbuiltinrid(uint32 builtin_rid, LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ return bidb_ops->getaliasrid(builtin_rid, mem, num_mem);
+}
+
+/************************************************************************
+ Routine to search builtin database by gid.
+*************************************************************************/
+
+LOCAL_GRP *getbuiltingid(gid_t gid, LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ return bidb_ops->getaliasgid(gid, mem, num_mem);
+}
+
+/*************************************************************************
+ gets an array of builtin aliases that a user is in.
+ *************************************************************************/
+BOOL getuserbuiltinntnam(const char *user_name, LOCAL_GRP **blt, int *num_blts)
+{
+ return bidb_ops->getuseraliasntnam(user_name, blt, num_blts);
+}
+
+/*************************************************************
+ initialises a LOCAL_GRP.
+ **************************************************************/
+void bidb_init_blt(LOCAL_GRP *blt)
+{
+ if (blt == NULL) return;
+ ZERO_STRUCTP(blt);
+}
+
+/*************************************************************
+ turns an builtin entry into a string.
+ **************************************************************/
+BOOL make_builtin_line(char *p, int max_len,
+ LOCAL_GRP *blt,
+ LOCAL_GRP_MEMBER **mem, int *num_mem)
+{
+ int i;
+ int len;
+ len = slprintf(p, max_len-1, "%s:%s:%d:", blt->name, blt->comment, blt->rid);
+
+ if (len == -1)
+ {
+ DEBUG(0,("make_builtin_line: cannot create entry\n"));
+ return False;
+ }
+
+ p += len;
+ max_len -= len;
+
+ if (mem == NULL || num_mem == NULL)
+ {
+ return True;
+ }
+
+ for (i = 0; i < (*num_mem); i++)
+ {
+ len = strlen((*mem)[i].name);
+ p = safe_strcpy(p, (*mem)[i].name, max_len);
+
+ if (p == NULL)
+ {
+ DEBUG(0, ("make_builtin_line: out of space for builtin aliases!\n"));
+ return False;
+ }
+
+ max_len -= len;
+
+ if (i != (*num_mem)-1)
+ {
+ *p = ',';
+ p++;
+ max_len--;
+ }
+ }
+
+ return True;
+}