[SCM] Samba Shared Repository - branch master updated

Simo Sorce idra at samba.org
Mon Mar 1 14:10:42 MST 2010


The branch, master has been updated
       via  be026a6... s3:groupmap revert to tdb storage
      from  05bd8c1... s4:srvsvc RPC - revert one unsigned integer "i" back to signed

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit be026a6fd89b44ba7e6bdf5bef049959b242c61e
Author: Simo Sorce <idra at samba.org>
Date:   Fri Feb 26 15:16:23 2010 -0500

    s3:groupmap revert to tdb storage
    
    Group mapping needs to be cluster aware, and this means using the tdb backend.
    Remove ldb group mapping as this is not cluster aware.

-----------------------------------------------------------------------

Summary of changes:
 source3/Makefile.in           |    2 +-
 source3/groupdb/mapping.c     |   20 +--
 source3/groupdb/mapping_ldb.c |  701 -----------------------------------------
 source3/groupdb/mapping_tdb.c |  279 ++++++++++++++++-
 4 files changed, 269 insertions(+), 733 deletions(-)
 delete mode 100644 source3/groupdb/mapping_ldb.c


Changeset truncated at 500 lines:

diff --git a/source3/Makefile.in b/source3/Makefile.in
index 323da3c..325984c 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -680,7 +680,7 @@ CP850_OBJ = modules/CP850.o
 CP437_OBJ = modules/CP437.o
 CHARSET_MACOSXFS_OBJ = modules/charset_macosxfs.o
 
-GROUPDB_OBJ = groupdb/mapping.o groupdb/mapping_tdb.o groupdb/mapping_ldb.o
+GROUPDB_OBJ = groupdb/mapping.o groupdb/mapping_tdb.o
 
 PROFILE_OBJ = profile/profile.o
 PROFILES_OBJ = utils/profiles.o \
diff --git a/source3/groupdb/mapping.c b/source3/groupdb/mapping.c
index 579486b..b648c58 100644
--- a/source3/groupdb/mapping.c
+++ b/source3/groupdb/mapping.c
@@ -30,30 +30,12 @@ static const struct mapping_backend *backend;
  */
 static bool init_group_mapping(void)
 {
-	const char *backend_string;
-
 	if (backend != NULL) {
 		/* already initialised */
 		return True;
 	}
 
-	/*
-	 * default to using the ldb backend. This parameter should
-	 * disappear in future versions of Samba3.
-	 *
-	 * But it's needed for cluster setups, because it's
-	 * not yet possible to distribute a ldb inside a cluster.
-	 */
-	backend_string = lp_parm_const_string(-1, "groupdb", "backend", "ldb");
-
-	if (strcmp(backend_string, "ldb") == 0) {
-		backend = groupdb_ldb_init();
-	} else if (strcmp(backend_string, "tdb") == 0) {
-		backend = groupdb_tdb_init();
-	} else {
-		DEBUG(0,("Unknown groupdb backend '%s'\n", backend_string));
-		smb_panic("Unknown groupdb backend");
-	}
+        backend = groupdb_tdb_init();
 
 	return backend != NULL;
 }
diff --git a/source3/groupdb/mapping_ldb.c b/source3/groupdb/mapping_ldb.c
deleted file mode 100644
index 89966e1..0000000
--- a/source3/groupdb/mapping_ldb.c
+++ /dev/null
@@ -1,701 +0,0 @@
-/* 
- *  Unix SMB/CIFS implementation.
- *
- *  group mapping code on top of ldb
- *
- *  Copyright (C) Andrew Tridgell              2006
- *
- * based on tdb group mapping code from groupdb/mapping.c
- *  
- *  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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "includes.h"
-#include "groupdb/mapping.h"
-#include "lib/ldb/include/ldb.h"
-#include "lib/ldb/include/ldb_errors.h"
-
-static struct ldb_context *ldb;
-
-static bool mapping_upgrade(const char *tdb_path);
-
-/*
-  connect to the group mapping ldb
-*/
-static bool init_group_mapping(void)
-{
-	bool existed;
-	const char *init_ldif[] = 
-		{ "dn: @ATTRIBUTES\n" \
-		  "ntName: CASE_INSENSITIVE\n" \
-		  "\n",
-		  "dn: @INDEXLIST\n" \
-		  "@IDXATTR: gidNumber\n" \
-		  "@IDXATTR: ntName\n" \
-		  "@IDXATTR: member\n" };
-	const char *db_path, *tdb_path;
-	int ret;
-	int flags = 0;
-
-	if (ldb != NULL) {
-		return True;
-	}
-
-	/* this is needed as Samba3 doesn't have this globally yet */
-	ldb_global_init();
-
-	db_path = state_path("group_mapping.ldb");
-
-	ldb = ldb_init(NULL, NULL);
-	if (ldb == NULL) goto failed;
-
-	/* Ensure this db is created read/write for root only. */
-	ldb_set_create_perms(ldb, 0600);
-
-	existed = file_exist(db_path);
-
-	if (lp_parm_bool(-1, "groupmap", "nosync", False)) {
-		flags |= LDB_FLG_NOSYNC;
-	}
-
-	if (!lp_use_mmap()) {
-		flags |= LDB_FLG_NOMMAP;
-	}
-
-	ret = ldb_connect(ldb, db_path, flags, NULL);
-	if (ret != LDB_SUCCESS) {
-		goto failed;
-	}
-
-	/* force the permissions on the ldb to 0600 - this will fix
-	   existing databases as well as new ones */
-	if (chmod(db_path, 0600) != 0) {
-		goto failed;
-	}
-
-	if (!existed) {
-		/* initialise the ldb with an index */
-		struct ldb_ldif *ldif;
-		int i;
-		for (i=0;i<ARRAY_SIZE(init_ldif);i++) {
-			ldif = ldb_ldif_read_string(ldb, &init_ldif[i]);
-			if (ldif == NULL) goto failed;
-			ret = ldb_add(ldb, ldif->msg);
-			talloc_free(ldif);
-			if (ret == -1) goto failed;
-		}
-	}
-
-	/* possibly upgrade */
-	tdb_path = state_path("group_mapping.tdb");
-	if (file_exist(tdb_path) && !mapping_upgrade(tdb_path)) {
-		unlink(state_path("group_mapping.ldb"));
-		goto failed;
-	}
-
-	return True;
-
-failed:
-	DEBUG(0,("Failed to open group mapping ldb '%s' - '%s'\n",
-		 db_path, ldb?ldb_errstring(ldb):strerror(errno)));
-	talloc_free(ldb);
-	ldb = NULL;
-	return False;
-}
-
-
-/*
-  form the DN for a mapping entry from a SID
- */
-static struct ldb_dn *mapping_dn(TALLOC_CTX *mem_ctx, const DOM_SID *sid)
-{
-	fstring string_sid;
-	uint32_t rid;
-	DOM_SID domsid;
-
-	sid_copy(&domsid, sid);
-	if (!sid_split_rid(&domsid, &rid)) {
-		return NULL;
-	}
-      	if (!sid_to_fstring(string_sid, &domsid)) {
-		return NULL;
-	}
-	/* we split by domain and rid so we can do a subtree search
-	   when we only want one domain */
-	return ldb_dn_new_fmt(mem_ctx, ldb, "rid=%u,domain=%s", 
-			      rid, string_sid);
-}
-
-/*
-  add a group mapping entry
- */
-static bool add_mapping_entry(GROUP_MAP *map, int flag)
-{
-	struct ldb_message *msg;	
-	int ret, i;
-	fstring string_sid;
-
-	msg = ldb_msg_new(ldb);
-	if (msg == NULL) {
-		return False;
-	}
-
-	msg->dn = mapping_dn(msg, &map->sid);
-	if (msg->dn == NULL) {
-		goto failed;
-	}
-
-	if (ldb_msg_add_string(msg, "objectClass", "groupMap") != LDB_SUCCESS ||
-	    ldb_msg_add_string(msg, "sid", 
-			       sid_to_fstring(string_sid, &map->sid)) != LDB_SUCCESS ||
-	    ldb_msg_add_fmt(msg, "gidNumber", "%u", (unsigned)map->gid) != LDB_SUCCESS ||
-	    ldb_msg_add_fmt(msg, "sidNameUse", "%u", (unsigned)map->sid_name_use) != LDB_SUCCESS ||
-	    ldb_msg_add_string(msg, "comment", map->comment) != LDB_SUCCESS ||
-	    ldb_msg_add_string(msg, "ntName", map->nt_name) != LDB_SUCCESS) {
-		goto failed;
-	}
-
-	ret = ldb_add(ldb, msg);
-
-	/* if it exists we update it. This is a hangover from the semantics the
-	   tdb backend had */
-	if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
-		for (i=0;i<msg->num_elements;i++) {
-			msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
-		}
-		ret = ldb_modify(ldb, msg);
-	}
-
-	talloc_free(msg);
-
-	return ret == LDB_SUCCESS;
-
-failed:
-	talloc_free(msg);
-	return False;
-}
-
-/*
-  unpack a ldb message into a GROUP_MAP structure
-*/
-static bool msg_to_group_map(struct ldb_message *msg, GROUP_MAP *map)
-{
-	const char *sidstr;
-
-	map->gid          = ldb_msg_find_attr_as_int(msg, "gidNumber", -1);
-	map->sid_name_use = ldb_msg_find_attr_as_int(msg, "sidNameUse", -1);
-	fstrcpy(map->nt_name, ldb_msg_find_attr_as_string(msg, "ntName", NULL));
-	fstrcpy(map->comment, ldb_msg_find_attr_as_string(msg, "comment", NULL));
-	sidstr = ldb_msg_find_attr_as_string(msg, "sid", NULL);
-
-	if (!string_to_sid(&map->sid, sidstr) ||
-	    map->gid == (gid_t)-1 ||
-	    map->sid_name_use == (enum lsa_SidType)-1) {
-		DEBUG(0,("Unable to unpack group mapping\n"));
-		return False;
-	}
-
-	return True;
-}
-
-/*
- return a group map entry for a given sid
-*/
-static bool get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map)
-{
-	int ret;
-	struct ldb_dn *dn;
-	struct ldb_result *res=NULL;
-	bool result = false;
-
-	dn = mapping_dn(talloc_tos(), &sid);
-	if (dn == NULL) {
-		goto failed;
-	}
-
-	ret = ldb_search(ldb, dn, &res, dn, LDB_SCOPE_BASE, NULL, NULL);
-	if (ret != LDB_SUCCESS || res->count != 1) {
-		goto failed;
-	}
-
-	if (!msg_to_group_map(res->msgs[0], map)) {
-		goto failed;
-	}
-
-	result = true;
- failed:
-	talloc_free(dn);
-	return result;
-}
-
-/*
- return a group map entry for a given gid
-*/
-static bool get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
-{
-	int ret;
-	struct ldb_result *res=NULL;
-	bool result = false;
-
-	ret = ldb_search(ldb, talloc_tos(), &res, NULL, LDB_SCOPE_SUBTREE,
-			 NULL, "(&(gidNumber=%u)(objectClass=groupMap))",
-			 (unsigned)gid);
-	if (ret != LDB_SUCCESS || res->count != 1) {
-		goto failed;
-	}
-
-	if (!msg_to_group_map(res->msgs[0], map)) {
-		goto failed;
-	}
-
-	result = true;
-failed:
-	TALLOC_FREE(res);
-	return result;
-}
-
-/*
-  Return the sid and the type of the unix group.
-*/
-static bool get_group_map_from_ntname(const char *name, GROUP_MAP *map)
-{
-	int ret;
-	struct ldb_result *res=NULL;
-	bool result = false;
-
-	ret = ldb_search(ldb, talloc_tos(), &res, NULL, LDB_SCOPE_SUBTREE,
-			 NULL, "(&(ntName=%s)(objectClass=groupMap))", name);
-	if (ret != LDB_SUCCESS || res->count != 1) {
-		goto failed;
-	}
-
-	if (!msg_to_group_map(res->msgs[0], map)) {
-		goto failed;
-	}
-
-	result = true;
- failed:
-	TALLOC_FREE(res);
-	return result;
-}
-
-/*
- Remove a group mapping entry.
-*/
-static bool group_map_remove(const DOM_SID *sid)
-{
-	struct ldb_dn *dn;
-	int ret;
-	
-	dn = mapping_dn(ldb, sid);
-	if (dn == NULL) {
-		return False;
-	}
-	ret = ldb_delete(ldb, dn);
-	talloc_free(dn);
-
-	return ret == LDB_SUCCESS;
-}
-
-
-/*
-  Enumerate the group mappings for a domain
-*/
-static bool enum_group_mapping(const DOM_SID *domsid, enum lsa_SidType sid_name_use, 
-			       GROUP_MAP **pp_rmap,
-			       size_t *p_num_entries, bool unix_only)
-{
-	int i, ret;
-	fstring name;
-	struct ldb_result *res = NULL;
-	struct ldb_dn *basedn=NULL;
-	TALLOC_CTX *tmp_ctx;
-
-	tmp_ctx = talloc_new(ldb);
-	if (tmp_ctx == NULL) goto failed;
-
-	/* we do a subtree search on the domain */
-	if (domsid != NULL) {
-		sid_to_fstring(name, domsid);
-		basedn = ldb_dn_new_fmt(tmp_ctx, ldb, "domain=%s", name);
-		if (basedn == NULL) goto failed;
-	}
-
-	if (sid_name_use == SID_NAME_UNKNOWN) {
-		ret = ldb_search(ldb, tmp_ctx, &res, basedn, LDB_SCOPE_SUBTREE,
-				 NULL, "(&(objectClass=groupMap))");
-	} else {
-		ret = ldb_search(ldb, tmp_ctx, &res, basedn, LDB_SCOPE_SUBTREE,
-				 NULL, "(&(sidNameUse=%u)(objectClass=groupMap))",
-				 sid_name_use);
-	}
-
-	if (ret != LDB_SUCCESS) goto failed;
-
-	(*pp_rmap) = NULL;
-	*p_num_entries = 0;
-
-	for (i=0;i<res->count;i++) {
-		(*pp_rmap) = SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, 
-					       (*p_num_entries)+1);
-		if (!(*pp_rmap)) goto failed;
-
-		if (!msg_to_group_map(res->msgs[i], &(*pp_rmap)[*p_num_entries])) {
-			goto failed;
-		}
-
-		(*p_num_entries)++;
-	}
-
-	talloc_free(tmp_ctx);
-	return True;
-
-failed:
-	talloc_free(tmp_ctx);
-	return False;	
-}
-
-/* 
-   This operation happens on session setup, so it should better be fast. We
-   store a list of aliases a SID is member of hanging off MEMBEROF/SID. 
-*/
-static NTSTATUS one_alias_membership(const DOM_SID *member,
-				     DOM_SID **sids, size_t *num)
-{
-	const char *attrs[] = {
-		"sid",
-		NULL
-	};
-	DOM_SID alias;
-	int ret, i;
-	struct ldb_result *res=NULL;
-	fstring string_sid;
-	NTSTATUS status;
-
-      	if (!sid_to_fstring(string_sid, member)) {
-		return NT_STATUS_INVALID_PARAMETER;
-	}
-
-	ret = ldb_search(ldb, talloc_tos(), &res, NULL, LDB_SCOPE_SUBTREE,
-			 attrs, "(&(member=%s)(objectClass=groupMap))",
-			 string_sid);
-	if (ret != LDB_SUCCESS) {
-		status = NT_STATUS_INTERNAL_DB_CORRUPTION;
-		goto failed;
-	}
-
-	for (i=0;i<res->count;i++) {
-		struct ldb_message_element *el;
-		el = ldb_msg_find_element(res->msgs[i], "sid");
-		if (el == NULL || el->num_values != 1) {
-			status = NT_STATUS_INTERNAL_DB_CORRUPTION;
-			goto failed;
-		}
-		string_to_sid(&alias, (char *)el->values[0].data);
-		status = add_sid_to_array_unique(NULL, &alias, sids, num);
-		if (!NT_STATUS_IS_OK(status)) {
-			goto failed;
-		}
-	}
-
-	status = NT_STATUS_OK;
- failed:
-	TALLOC_FREE(res);
-	return status;
-}
-
-/*
-  add/remove a member field
-*/
-static NTSTATUS modify_aliasmem(const DOM_SID *alias, const DOM_SID *member,
-				int operation)
-{
-	fstring string_sid;
-	int ret;
-	struct ldb_message msg;
-	struct ldb_message_element el;
-	struct ldb_val val;
-	TALLOC_CTX *tmp_ctx;
-	GROUP_MAP map;
-
-	if (!get_group_map_from_sid(*alias, &map)) {
-		sid_to_fstring(string_sid, alias);
-		return NT_STATUS_NO_SUCH_ALIAS;
-	}
-
-	if ((map.sid_name_use != SID_NAME_ALIAS) &&
-	    (map.sid_name_use != SID_NAME_WKN_GRP)) {
-		DEBUG(0,("sid_name_use=%d\n", map.sid_name_use));
-		return NT_STATUS_NO_SUCH_ALIAS;
-	}
-
-	tmp_ctx = talloc_new(NULL);
-	if (tmp_ctx == NULL) {
-		return NT_STATUS_NO_MEMORY;


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