diff options
Diffstat (limited to 'source3/passdb/pdb_tdb.c')
-rw-r--r-- | source3/passdb/pdb_tdb.c | 96 |
1 files changed, 95 insertions, 1 deletions
diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c index 370c8adc7d..74f47e70dc 100644 --- a/source3/passdb/pdb_tdb.c +++ b/source3/passdb/pdb_tdb.c @@ -864,7 +864,98 @@ done: return (ret); } - + +static BOOL tdbsam_rid_algorithm(struct pdb_methods *methods) +{ + return False; +} + +/* + * Historically, winbind was responsible for allocating RIDs, so the next RID + * value was stored in winbindd_idmap.tdb. It has been moved to passdb now, + * but for compatibility reasons we still keep the the next RID counter in + * winbindd_idmap.tdb. + */ + +/***************************************************************************** + Initialise idmap database. For now (Dec 2005) this is a copy of the code in + sam/idmap_tdb.c. Maybe at a later stage we can remove that capability from + winbind completely and store the RID counter in passdb.tdb. + + Dont' fully initialize with the HWM values, if it's new, we're only + interested in the RID counter. +*****************************************************************************/ + +static BOOL init_idmap_tdb(TDB_CONTEXT *tdb) +{ + int32 version; + + if (tdb_lock_bystring(tdb, "IDMAP_VERSION", 0) != 0) { + DEBUG(0, ("Could not lock IDMAP_VERSION\n")); + return False; + } + + version = tdb_fetch_int32(tdb, "IDMAP_VERSION"); + + if (version == -1) { + /* No key found, must be a new db */ + if (tdb_store_int32(tdb, "IDMAP_VERSION", + IDMAP_VERSION) != 0) { + DEBUG(0, ("Could not store IDMAP_VERSION\n")); + tdb_unlock_bystring(tdb, "IDMAP_VERSION"); + return False; + } + version = IDMAP_VERSION; + } + + if (version != IDMAP_VERSION) { + DEBUG(0, ("Expected IDMAP_VERSION=%d, found %d. Please " + "start winbind once\n", IDMAP_VERSION, version)); + tdb_unlock_bystring(tdb, "IDMAP_VERSION"); + return False; + } + + tdb_unlock_bystring(tdb, "IDMAP_VERSION"); + return True; +} + +static BOOL tdbsam_new_rid(struct pdb_methods *methods, uint32 *prid) +{ + TDB_CONTEXT *tdb; + uint32 rid; + BOOL ret = False; + + tdb = tdb_open_log(lock_path("winbindd_idmap.tdb"), 0, + TDB_DEFAULT, O_RDWR | O_CREAT, 0644); + + if (tdb == NULL) { + DEBUG(1, ("Could not open idmap: %s\n", strerror(errno))); + goto done; + } + + if (!init_idmap_tdb(tdb)) { + DEBUG(1, ("Could not init idmap\n")); + goto done; + } + + rid = BASE_RID; /* Default if not set */ + + if (!tdb_change_uint32_atomic(tdb, "RID_COUNTER", &rid, 1)) { + DEBUG(3, ("tdbsam_new_rid: Failed to increase RID_COUNTER\n")); + goto done; + } + + *prid = rid; + ret = True; + + done: + if ((tdb != NULL) && (tdb_close(tdb) != 0)) { + smb_panic("tdb_close(idmap_tdb) failed\n"); + } + + return ret; +} + static void free_private_data(void **vp) { struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp; @@ -908,6 +999,9 @@ static NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_meth (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account; (*pdb_method)->rename_sam_account = tdbsam_rename_sam_account; + (*pdb_method)->rid_algorithm = tdbsam_rid_algorithm; + (*pdb_method)->new_rid = tdbsam_new_rid; + tdb_state = TALLOC_ZERO_P(pdb_context->mem_ctx, struct tdbsam_privates); if (!tdb_state) { |