The branch, v3-2-test has been updated
       via  8e0fa453a3d0a2c997a935b6940796612c972708 (commit)
       via  38bb69cb316ba605a6d3a4454b986cb63ace3c21 (commit)
       via  66d2a9c87411be88269bbb3a4d3c0a218a55be06 (commit)
       via  9d30e5991c6fe77ef5fd505efb756554bbe77256 (commit)
      from  874a0ffd7dbd993230c00c503ec6b27fbffb7745 (commit)

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-2-test


- Log -----------------------------------------------------------------
commit 8e0fa453a3d0a2c997a935b6940796612c972708
Author: Volker Lendecke <[EMAIL PROTECTED]>
Date:   Tue Mar 11 14:15:52 2008 +0100

    Convert mapping_tdb.c to dbwrap
    
    I know, this is not used anymore, but until ldb knows about ctdb which is
    blocked by the lack of transactions in ctdb, a tiny patch reactivating
    mapping_tdb.c might be needed for cluster setups.

commit 38bb69cb316ba605a6d3a4454b986cb63ace3c21
Author: Volker Lendecke <[EMAIL PROTECTED]>
Date:   Tue Mar 11 12:53:50 2008 +0100

    Clean up add_mapping_entry slightly

commit 66d2a9c87411be88269bbb3a4d3c0a218a55be06
Author: Volker Lendecke <[EMAIL PROTECTED]>
Date:   Tue Mar 11 12:46:36 2008 +0100

    Cleanup after pstring removal

commit 9d30e5991c6fe77ef5fd505efb756554bbe77256
Author: Volker Lendecke <[EMAIL PROTECTED]>
Date:   Tue Mar 11 12:30:46 2008 +0100

    Convert secrets.c to use dbwrap

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

Summary of changes:
 source/groupdb/mapping.h     |    2 +
 source/groupdb/mapping_tdb.c |  573 +++++++++++++++++++++---------------------
 source/passdb/secrets.c      |  221 +++++++----------
 3 files changed, 376 insertions(+), 420 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source/groupdb/mapping.h b/source/groupdb/mapping.h
index 4af3831..c37ae84 100644
--- a/source/groupdb/mapping.h
+++ b/source/groupdb/mapping.h
@@ -2,6 +2,7 @@
 #define DATABASE_VERSION_V2 2 /* le format. */
 
 #define GROUP_PREFIX "UNIXGROUP/"
+#define GROUP_PREFIX_LEN 10
 
 /* Alias memberships are stored reverse, as memberships. The performance
  * critical operation is to determine the aliases a SID is member of, not
@@ -9,6 +10,7 @@
  * hanging of the member as key.
  */
 #define MEMBEROF_PREFIX "MEMBEROF/"
+#define MEMBEROF_PREFIX_LEN 9
 
 /*
   groupdb mapping backend abstraction
diff --git a/source/groupdb/mapping_tdb.c b/source/groupdb/mapping_tdb.c
index 67e377c..c9c8cdc 100644
--- a/source/groupdb/mapping_tdb.c
+++ b/source/groupdb/mapping_tdb.c
@@ -23,7 +23,7 @@
 #include "includes.h"
 #include "groupdb/mapping.h"
 
-static TDB_CONTEXT *tdb; /* used for driver files */
+static struct db_context *db; /* used for driver files */
 
 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);
@@ -34,95 +34,119 @@ static bool group_map_remove(const DOM_SID *sid);
 ****************************************************************************/
 static bool init_group_mapping(void)
 {
-       const char *vstring = "INFO/version";
-       int32 vers_id;
-       GROUP_MAP *map_table = NULL;
-       size_t num_entries = 0;
-       
-       if (tdb)
-               return True;
-               
-       tdb = tdb_open_log(state_path("group_mapping.tdb"), 0, TDB_DEFAULT, 
O_RDWR|O_CREAT, 0600);
-       if (!tdb) {
-               DEBUG(0,("Failed to open group mapping database\n"));
-               return False;
+       if (db != NULL) {
+               return true;
        }
 
-       /* handle a Samba upgrade */
-       tdb_lock_bystring(tdb, vstring);
-
-       /* Cope with byte-reversed older versions of the db. */
-       vers_id = tdb_fetch_int32(tdb, vstring);
-       if ((vers_id == DATABASE_VERSION_V1) || (IREV(vers_id) == 
DATABASE_VERSION_V1)) {
-               /* Written on a bigendian machine with old fetch_int code. Save 
as le. */
-               tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
-               vers_id = DATABASE_VERSION_V2;
+       db = db_open(NULL, state_path("group_mapping.tdb"), 0, TDB_DEFAULT,
+                    O_RDWR|O_CREAT, 0600);
+       if (db == NULL) {
+               DEBUG(0, ("Failed to open group mapping database: %s\n",
+                         strerror(errno)));
+               return false;
        }
 
-       /* if its an unknown version we remove everthing in the db */
-       
-       if (vers_id != DATABASE_VERSION_V2) {
-               tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
-               tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
-       }
+#if 0
+       /*
+        * This code was designed to handle a group mapping version
+        * upgrade. mapping_tdb is not active by default anymore, so ignore
+        * this here.
+        */
+       {
+               const char *vstring = "INFO/version";
+               int32 vers_id;
+               GROUP_MAP *map_table = NULL;
+               size_t num_entries = 0;
+
+               /* handle a Samba upgrade */
+               tdb_lock_bystring(tdb, vstring);
+
+               /* Cope with byte-reversed older versions of the db. */
+               vers_id = tdb_fetch_int32(tdb, vstring);
+               if ((vers_id == DATABASE_VERSION_V1)
+                   || (IREV(vers_id) == DATABASE_VERSION_V1)) {
+                       /*
+                        * Written on a bigendian machine with old fetch_int
+                        * code. Save as le.
+                        */
+                       tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
+                       vers_id = DATABASE_VERSION_V2;
+               }
 
-       tdb_unlock_bystring(tdb, vstring);
+               /* if its an unknown version we remove everthing in the db */
 
-       /* cleanup any map entries with a gid == -1 */
-       
-       if ( enum_group_mapping( NULL, SID_NAME_UNKNOWN, &map_table, 
&num_entries, False ) ) {
-               int i;
-               
-               for ( i=0; i<num_entries; i++ ) {
-                       if ( map_table[i].gid == -1 ) {
-                               group_map_remove( &map_table[i].sid );
+               if (vers_id != DATABASE_VERSION_V2) {
+                       tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
+                       tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
+               }
+
+               tdb_unlock_bystring(tdb, vstring);
+
+               /* cleanup any map entries with a gid == -1 */
+
+               if ( enum_group_mapping( NULL, SID_NAME_UNKNOWN, &map_table,
+                                        &num_entries, False ) ) {
+                       int i;
+
+                       for ( i=0; i<num_entries; i++ ) {
+                               if ( map_table[i].gid == -1 ) {
+                                       group_map_remove( &map_table[i].sid );
+                               }
                        }
+
+                       SAFE_FREE( map_table );
                }
-               
-               SAFE_FREE( map_table );
        }
+#endif
 
+       return true;
+}
+
+static char *group_mapping_key(TALLOC_CTX *mem_ctx, const DOM_SID *sid)
+{
+       char *sidstr, *result;
 
-       return True;
+       sidstr = sid_string_talloc(talloc_tos(), sid);
+       if (sidstr == NULL) {
+               return NULL;
+       }
+
+       result = talloc_asprintf(mem_ctx, "GROUP_PREFIX%s", sidstr);
+
+       TALLOC_FREE(sidstr);
+       return result;
 }
 
 /****************************************************************************
 ****************************************************************************/
 static bool add_mapping_entry(GROUP_MAP *map, int flag)
 {
-       TDB_DATA dbuf;
-       char *key = NULL;
-       char *buf = NULL;
-       fstring string_sid="";
+       char *key, *buf;
        int len;
-       bool ret;
+       NTSTATUS status;
 
-       sid_to_fstring(string_sid, &map->sid);
+       key = group_mapping_key(talloc_tos(), &map->sid);
+       if (key == NULL) {
+               return NULL;
+       }
 
        len = tdb_pack(NULL, sizeof(buf), "ddff",
                map->gid, map->sid_name_use, map->nt_name, map->comment);
-       if (len) {
-               buf = SMB_MALLOC_ARRAY(char, len);
-               if (!buf) {
-                       return false;
-               }
-               len = tdb_pack((uint8 *)buf, sizeof(buf), "ddff", map->gid,
-                               map->sid_name_use, map->nt_name, map->comment);
-       }
 
-       if (asprintf(&key, "%s%s", GROUP_PREFIX, string_sid) < 0) {
-               SAFE_FREE(buf);
+       buf = TALLOC_ARRAY(key, char, len);
+       if (!buf) {
+               TALLOC_FREE(key);
                return false;
        }
+       len = tdb_pack((uint8 *)buf, len, "ddff", map->gid,
+                      map->sid_name_use, map->nt_name, map->comment);
 
-       dbuf.dsize = len;
-       dbuf.dptr = (uint8 *)buf;
+       status = dbwrap_store_bystring(
+               db, key, make_tdb_data((uint8_t *)buf, len), flag);
 
-       ret = (tdb_store_bystring(tdb, key, dbuf, flag) == 0);
+       TALLOC_FREE(key);
 
-       SAFE_FREE(key);
-       SAFE_FREE(buf);
-       return ret;
+       return NT_STATUS_IS_OK(status);
 }
 
 
@@ -133,129 +157,121 @@ static bool add_mapping_entry(GROUP_MAP *map, int flag)
 static bool get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map)
 {
        TDB_DATA dbuf;
-       char *key = NULL;
-       fstring string_sid;
+       char *key;
        int ret = 0;
 
        /* the key is the SID, retrieving is direct */
 
-       sid_to_fstring(string_sid, &sid);
-       if (asprintf(&key, "%s%s", GROUP_PREFIX, string_sid) < 0) {
+       key = group_mapping_key(talloc_tos(), &map->sid);
+       if (key == NULL) {
                return false;
        }
 
-       dbuf = tdb_fetch_bystring(tdb, key);
-       if (!dbuf.dptr) {
-               SAFE_FREE(key);
+       dbuf = dbwrap_fetch_bystring(db, key, key);
+       if (dbuf.dptr == NULL) {
+               TALLOC_FREE(key);
                return false;
        }
 
-       SAFE_FREE(key);
-
        ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
                        &map->gid, &map->sid_name_use,
                        &map->nt_name, &map->comment);
 
-       SAFE_FREE(dbuf.dptr);
+       TALLOC_FREE(key);
 
        if ( ret == -1 ) {
                DEBUG(3,("get_group_map_from_sid: tdb_unpack failure\n"));
-               return False;
+               return false;
        }
 
        sid_copy(&map->sid, &sid);
 
-       return True;
+       return true;
 }
 
-/****************************************************************************
- Return the sid and the type of the unix group.
-****************************************************************************/
-
-static bool get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
+static bool dbrec2map(const struct db_record *rec, GROUP_MAP *map)
 {
-       TDB_DATA kbuf, dbuf, newkey;
-       fstring string_sid;
-       int ret;
-
-       /* we need to enumerate the TDB to find the GID */
-
-       for (kbuf = tdb_firstkey(tdb);
-            kbuf.dptr;
-            newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), 
kbuf=newkey) {
-
-               if (strncmp((const char *)kbuf.dptr, GROUP_PREFIX, 
strlen(GROUP_PREFIX)) != 0) continue;
+       if ((rec->key.dsize < strlen(GROUP_PREFIX))
+           || (strncmp((char *)rec->key.dptr, GROUP_PREFIX,
+                       GROUP_PREFIX_LEN) != 0)) {
+               return False;
+       }
 
-               dbuf = tdb_fetch(tdb, kbuf);
-               if (!dbuf.dptr)
-                       continue;
+       if (!string_to_sid(&map->sid, (const char *)rec->key.dptr
+                          + GROUP_PREFIX_LEN)) {
+               return False;
+       }
 
-               fstrcpy(string_sid, (const char 
*)kbuf.dptr+strlen(GROUP_PREFIX));
+       return tdb_unpack(rec->value.dptr, rec->value.dsize, "ddff",
+                         &map->gid, &map->sid_name_use, &map->nt_name,
+                         &map->comment) != -1;
+}
 
-               string_to_sid(&map->sid, string_sid);
+struct find_map_state {
+       bool found;
+       const char *name;       /* If != NULL, look for name */
+       gid_t gid;              /* valid iff name == NULL */
+       GROUP_MAP *map;
+};
 
-               ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
-                                &map->gid, &map->sid_name_use, &map->nt_name, 
&map->comment);
+static int find_map(struct db_record *rec, void *private_data)
+{
+       struct find_map_state *state = (struct find_map_state *)private_data;
 
-               SAFE_FREE(dbuf.dptr);
+       if (!dbrec2map(rec, state->map)) {
+               DEBUG(10, ("failed to unpack map\n"));
+               return 0;
+       }
 
-               if ( ret == -1 ) {
-                       DEBUG(3,("get_group_map_from_gid: tdb_unpack 
failure\n"));
-                       return False;
+       if (state->name != NULL) {
+               if (strequal(state->name, state->map->nt_name)) {
+                       state->found = true;
+                       return 1;
                }
-
-               if (gid==map->gid) {
-                       SAFE_FREE(kbuf.dptr);
-                       return True;
+       }
+       else {
+               if (state->map->gid == state->gid) {
+                       state->found = true;
+                       return 1;
                }
        }
 
-       return False;
+       return 0;
 }
 
 /****************************************************************************
  Return the sid and the type of the unix group.
 ****************************************************************************/
 
-static bool get_group_map_from_ntname(const char *name, GROUP_MAP *map)
+static bool get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
 {
-       TDB_DATA kbuf, dbuf, newkey;
-       fstring string_sid;
-       int ret;
-
-       /* we need to enumerate the TDB to find the name */
+       struct find_map_state state;
 
-       for (kbuf = tdb_firstkey(tdb);
-            kbuf.dptr;
-            newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), 
kbuf=newkey) {
+       state.found = false;
+       state.name = NULL;      /* Indicate we're looking for gid */
+       state.gid = gid;
+       state.map = map;
 
-               if (strncmp((const char *)kbuf.dptr, GROUP_PREFIX, 
strlen(GROUP_PREFIX)) != 0) continue;
-
-               dbuf = tdb_fetch(tdb, kbuf);
-               if (!dbuf.dptr)
-                       continue;
+       db->traverse_read(db, find_map, (void *)&state);
 
-               fstrcpy(string_sid, (const char 
*)kbuf.dptr+strlen(GROUP_PREFIX));
-
-               string_to_sid(&map->sid, string_sid);
+       return state.found;
+}
 
-               ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
-                                &map->gid, &map->sid_name_use, &map->nt_name, 
&map->comment);
+/****************************************************************************
+ Return the sid and the type of the unix group.
+****************************************************************************/
 
-               SAFE_FREE(dbuf.dptr);
+static bool get_group_map_from_ntname(const char *name, GROUP_MAP *map)
+{
+       struct find_map_state state;
 
-               if ( ret == -1 ) {
-                       DEBUG(3,("get_group_map_from_ntname: tdb_unpack 
failure\n"));
-                       return False;
-               }
+       state.found = false;
+       state.name = name;
+       state.map = map;
 
-               if ( strequal(name, map->nt_name) ) {
-                       SAFE_FREE(kbuf.dptr);
-                       return True;
-               }
-       }
+       db->traverse_read(db, find_map, (void *)&state);
 
-       return False;
+       return state.found;
 }
 
 /****************************************************************************
@@ -264,123 +280,97 @@ static bool get_group_map_from_ntname(const char *name, 
GROUP_MAP *map)
 
 static bool group_map_remove(const DOM_SID *sid)
 {
-       TDB_DATA dbuf;
-       char *key = NULL;
-       fstring string_sid;
-       bool ret;
-
-       /* the key is the SID, retrieving is direct */
-
-       sid_to_fstring(string_sid, sid);
-       if (asprintf(&key, "%s%s", GROUP_PREFIX, string_sid) < 0) {
-               return false;
-       }
+       char *key;
+       bool result;
 
-       dbuf = tdb_fetch_bystring(tdb, key);
-       if (!dbuf.dptr) {
-               SAFE_FREE(key);
+       key = group_mapping_key(talloc_tos(), sid);
+       if (key == NULL) {
                return false;
        }
 
-       SAFE_FREE(dbuf.dptr);
+       result = NT_STATUS_IS_OK(dbwrap_delete_bystring(db, key));
 
-       ret = (tdb_delete_bystring(tdb, key) == TDB_SUCCESS);
-       SAFE_FREE(key);
-       return ret;
+       TALLOC_FREE(key);
+       return result;
 }
 
 /****************************************************************************
  Enumerate the group mapping.
 ****************************************************************************/
 
-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)
-{
-       TDB_DATA kbuf, dbuf, newkey;
-       fstring string_sid;
-       GROUP_MAP map;
-       GROUP_MAP *mapt;
-       int ret;
-       size_t entries=0;
-       DOM_SID grpsid;
-       uint32 rid;
-
-       *p_num_entries=0;
-       *pp_rmap=NULL;
-
-       for (kbuf = tdb_firstkey(tdb); 
-            kbuf.dptr; 
-            newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), 
kbuf=newkey) {
+struct enum_map_state {
+       const DOM_SID *domsid;
+       enum lsa_SidType sid_name_use;
+       bool unix_only;
 
-               if (strncmp((const char *)kbuf.dptr, GROUP_PREFIX, 
strlen(GROUP_PREFIX)) != 0)
-                       continue;
-
-               dbuf = tdb_fetch(tdb, kbuf);
-               if (!dbuf.dptr)
-                       continue;
-
-               fstrcpy(string_sid, (const char 
*)kbuf.dptr+strlen(GROUP_PREFIX));
-                               
-               ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
-                                &map.gid, &map.sid_name_use, &map.nt_name, 
&map.comment);
-
-               SAFE_FREE(dbuf.dptr);
-
-               if ( ret == -1 ) {
-                       DEBUG(3,("enum_group_mapping: tdb_unpack failure\n"));
-                       continue;
-               }
-       
-               /* list only the type or everything if UNKNOWN */
-               if (sid_name_use!=SID_NAME_UNKNOWN  && 
sid_name_use!=map.sid_name_use) {
-                       DEBUG(11,("enum_group_mapping: group %s is not of the 
requested type\n", map.nt_name));
-                       continue;
-               }
-
-               if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
-                       DEBUG(11,("enum_group_mapping: group %s is non 
mapped\n", map.nt_name));


-- 
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