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|
/*
Unix SMB/CIFS implementation.
idmap TDB backend
Copyright (C) Tim Potter 2000
Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
Copyright (C) Jeremy Allison 2006
Copyright (C) Simo Sorce 2003-2006
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 "winbindd.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
/* idmap version determines auto-conversion - this is the database
structure version specifier. */
#define IDMAP_VERSION 2
struct idmap_tdb_context {
struct db_context *db;
};
/* High water mark keys */
#define HWM_GROUP "GROUP HWM"
#define HWM_USER "USER HWM"
static struct idmap_tdb_state {
/* User and group id pool */
uid_t low_uid, high_uid; /* Range of uids to allocate */
gid_t low_gid, high_gid; /* Range of gids to allocate */
} idmap_tdb_state;
struct convert_fn_state {
struct db_context *db;
bool failed;
};
/*****************************************************************************
For idmap conversion: convert one record to new format
Ancient versions (eg 2.2.3a) of winbindd_idmap.tdb mapped DOMAINNAME/rid
instead of the SID.
*****************************************************************************/
static int convert_fn(struct db_record *rec, void *private_data)
{
struct winbindd_domain *domain;
char *p;
NTSTATUS status;
struct dom_sid sid;
uint32 rid;
fstring keystr;
fstring dom_name;
TDB_DATA key2;
struct convert_fn_state *s = (struct convert_fn_state *)private_data;
DEBUG(10,("Converting %s\n", (const char *)rec->key.dptr));
p = strchr((const char *)rec->key.dptr, '/');
if (!p)
return 0;
*p = 0;
fstrcpy(dom_name, (const char *)rec->key.dptr);
*p++ = '/';
domain = find_domain_from_name(dom_name);
if (domain == NULL) {
/* We must delete the old record. */
DEBUG(0,("Unable to find domain %s\n", dom_name ));
DEBUG(0,("deleting record %s\n", (const char *)rec->key.dptr ));
status = rec->delete_rec(rec);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to delete record %s:%s\n",
(const char *)rec->key.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
return 0;
}
rid = atoi(p);
sid_compose(&sid, &domain->sid, rid);
sid_to_fstring(keystr, &sid);
key2 = string_term_tdb_data(keystr);
status = dbwrap_store(s->db, key2, rec->value, TDB_INSERT);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Unable to add record %s:%s\n",
(const char *)key2.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
status = dbwrap_store(s->db, rec->value, key2, TDB_REPLACE);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Unable to update record %s:%s\n",
(const char *)rec->value.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
status = rec->delete_rec(rec);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Unable to delete record %s:%s\n",
(const char *)rec->key.dptr,
nt_errstr(status)));
s->failed = true;
return -1;
}
return 0;
}
/*****************************************************************************
Convert the idmap database from an older version.
*****************************************************************************/
static bool idmap_tdb_upgrade(struct idmap_domain *dom, struct db_context *db)
{
int32 vers;
bool bigendianheader;
struct convert_fn_state s;
DEBUG(0, ("Upgrading winbindd_idmap.tdb from an old version\n"));
bigendianheader = (db->get_flags(db) & TDB_BIGENDIAN) ? True : False;
vers = dbwrap_fetch_int32(db, "IDMAP_VERSION");
if (((vers == -1) && bigendianheader) || (IREV(vers) == IDMAP_VERSION)) {
/* Arrggghh ! Bytereversed or old big-endian - make order independent ! */
/*
* high and low records were created on a
* big endian machine and will need byte-reversing.
*/
int32 wm;
wm = dbwrap_fetch_int32(db, HWM_USER);
if (wm != -1) {
wm = IREV(wm);
} else {
wm = dom->low_id;
}
if (dbwrap_store_int32(db, HWM_USER, wm) == -1) {
DEBUG(0, ("Unable to byteswap user hwm in idmap database\n"));
return False;
}
wm = dbwrap_fetch_int32(db, HWM_GROUP);
if (wm != -1) {
wm = IREV(wm);
} else {
wm = dom->low_id;
}
if (dbwrap_store_int32(db, HWM_GROUP, wm) == -1) {
DEBUG(0, ("Unable to byteswap group hwm in idmap database\n"));
return False;
}
}
s.db = db;
s.failed = false;
/* the old format stored as DOMAIN/rid - now we store the SID direct */
db->traverse(db, convert_fn, &s);
if (s.failed) {
DEBUG(0, ("Problem during conversion\n"));
return False;
}
if (dbwrap_store_int32(db, "IDMAP_VERSION", IDMAP_VERSION) == -1) {
DEBUG(0, ("Unable to store idmap version in databse\n"));
return False;
}
return True;
}
static NTSTATUS idmap_tdb_load_ranges(void)
{
uid_t low_uid = 0;
uid_t high_uid = 0;
gid_t low_gid = 0;
gid_t high_gid = 0;
if (!lp_idmap_uid(&low_uid, &high_uid)) {
DEBUG(1, ("idmap uid missing\n"));
return NT_STATUS_UNSUCCESSFUL;
}
if (!lp_idmap_gid(&low_gid, &high_gid)) {
DEBUG(1, ("idmap gid missing\n"));
return NT_STATUS_UNSUCCESSFUL;
}
idmap_tdb_state.low_uid = low_uid;
idmap_tdb_state.high_uid = high_uid;
idmap_tdb_state.low_gid = low_gid;
idmap_tdb_state.high_gid = high_gid;
if (idmap_tdb_state.high_uid <= idmap_tdb_state.low_uid) {
DEBUG(1, ("idmap uid range missing or invalid\n"));
return NT_STATUS_UNSUCCESSFUL;
}
if (idmap_tdb_state.high_gid <= idmap_tdb_state.low_gid) {
DEBUG(1, ("idmap gid range missing or invalid\n"));
return NT_STATUS_UNSUCCESSFUL;
}
return NT_STATUS_OK;
}
static NTSTATUS idmap_tdb_open_db(TALLOC_CTX *memctx,
bool check_config,
struct db_context **dbctx)
{
NTSTATUS ret;
TALLOC_CTX *ctx;
char *tdbfile = NULL;
struct db_context *db = NULL;
int32_t version;
bool config_error = false;
ret = idmap_tdb_load_ranges();
if (!NT_STATUS_IS_OK(ret)) {
config_error = true;
if (check_config) {
return ret;
}
}
/* use our own context here */
ctx = talloc_stackframe();
/* use the old database if present */
tdbfile = state_path("winbindd_idmap.tdb");
if (!tdbfile) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
DEBUG(10,("Opening tdbfile %s\n", tdbfile ));
/* Open idmap repository */
db = db_open(ctx, tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
if (!db) {
DEBUG(0, ("Unable to open idmap database\n"));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
/* check against earlier versions */
version = dbwrap_fetch_int32(db, "IDMAP_VERSION");
if (version != IDMAP_VERSION) {
if (config_error) {
DEBUG(0,("Upgrade of IDMAP_VERSION from %d to %d is not "
"possible with incomplete configuration\n",
version, IDMAP_VERSION));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
if (db->transaction_start(db) != 0) {
DEBUG(0, ("Unable to start upgrade transaction!\n"));
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
if (!idmap_tdb_upgrade(dom, db)) {
db->transaction_cancel(db);
DEBUG(0, ("Unable to open idmap database, it's in an old format, and upgrade failed!\n"));
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
if (db->transaction_commit(db) != 0) {
DEBUG(0, ("Unable to commit upgrade transaction!\n"));
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
}
*dbctx = talloc_move(memctx, &db);
ret = NT_STATUS_OK;
done:
talloc_free(ctx);
return ret;
}
/**********************************************************************
IDMAP ALLOC TDB BACKEND
**********************************************************************/
static struct db_context *idmap_alloc_db;
/**********************************
Initialise idmap alloc database.
**********************************/
static NTSTATUS idmap_tdb_init_hwm(struct idmap_domain *dom)
{
int ret;
uint32_t low_uid;
uint32_t low_gid;
bool update_uid = false;
bool update_gid = false;
struct idmap_tdb_context *ctx;
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
low_uid = dbwrap_fetch_int32(ctx->db, HWM_USER);
if (low_uid == -1 || low_uid < dom->low_id) {
update_uid = true;
}
low_gid = dbwrap_fetch_int32(ctx->db, HWM_GROUP);
if (low_gid == -1 || low_gid < dom->low_id) {
update_gid = true;
}
if (!update_uid && !update_gid) {
return NT_STATUS_OK;
}
if (ctx->db->transaction_start(ctx->db) != 0) {
DEBUG(0, ("Unable to start upgrade transaction!\n"));
return NT_STATUS_INTERNAL_DB_ERROR;
}
if (update_uid) {
ret = dbwrap_store_int32(ctx->db, HWM_USER, dom->low_id);
if (ret == -1) {
ctx->db->transaction_cancel(ctx->db);
DEBUG(0, ("Unable to initialise user hwm in idmap "
"database\n"));
return NT_STATUS_INTERNAL_DB_ERROR;
}
}
if (update_gid) {
ret = dbwrap_store_int32(ctx->db, HWM_GROUP, dom->low_id);
if (ret == -1) {
ctx->db->transaction_cancel(ctx->db);
DEBUG(0, ("Unable to initialise group hwm in idmap "
"database\n"));
return NT_STATUS_INTERNAL_DB_ERROR;
}
}
if (ctx->db->transaction_commit(ctx->db) != 0) {
DEBUG(0, ("Unable to commit upgrade transaction!\n"));
return NT_STATUS_INTERNAL_DB_ERROR;
}
return NT_STATUS_OK;
}
/**********************************
Allocate a new id.
**********************************/
struct idmap_tdb_allocate_id_context {
const char *hwmkey;
const char *hwmtype;
uint32_t high_hwm;
uint32_t hwm;
};
static NTSTATUS idmap_tdb_allocate_id_action(struct db_context *db,
void *private_data)
{
NTSTATUS ret;
struct idmap_tdb_allocate_id_context *state;
uint32_t hwm;
state = (struct idmap_tdb_allocate_id_context *)private_data;
hwm = dbwrap_fetch_int32(db, state->hwmkey);
if (hwm == -1) {
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
/* check it is in the range */
if (hwm > state->high_hwm) {
DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
state->hwmtype, (unsigned long)state->high_hwm));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
/* fetch a new id and increment it */
ret = dbwrap_trans_change_uint32_atomic(db, state->hwmkey, &hwm, 1);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0, ("Fatal error while fetching a new %s value: %s\n!",
state->hwmtype, nt_errstr(ret)));
goto done;
}
/* recheck it is in the range */
if (hwm > state->high_hwm) {
DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
state->hwmtype, (unsigned long)state->high_hwm));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
ret = NT_STATUS_OK;
state->hwm = hwm;
done:
return ret;
}
static NTSTATUS idmap_tdb_allocate_id(struct unixid *xid)
{
const char *hwmkey;
const char *hwmtype;
uint32_t high_hwm;
uint32_t hwm = 0;
NTSTATUS status;
struct idmap_tdb_allocate_id_context state;
/* Get current high water mark */
switch (xid->type) {
case ID_TYPE_UID:
hwmkey = HWM_USER;
hwmtype = "UID";
high_hwm = idmap_tdb_state.high_uid;
break;
case ID_TYPE_GID:
hwmkey = HWM_GROUP;
hwmtype = "GID";
high_hwm = idmap_tdb_state.high_gid;
break;
default:
DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
return NT_STATUS_INVALID_PARAMETER;
}
state.hwm = hwm;
state.high_hwm = high_hwm;
state.hwmtype = hwmtype;
state.hwmkey = hwmkey;
status = dbwrap_trans_do(idmap_alloc_db, idmap_tdb_allocate_id_action,
&state);
if (NT_STATUS_IS_OK(status)) {
xid->id = state.hwm;
DEBUG(10,("New %s = %d\n", hwmtype, state.hwm));
} else {
DEBUG(1, ("Error allocating a new %s\n", hwmtype));
}
return status;
}
/**
* Allocate a new unix-ID.
* For now this is for the default idmap domain only.
* Should be extended later on.
*/
static NTSTATUS idmap_tdb_get_new_id(struct idmap_domain *dom,
struct unixid *id)
{
NTSTATUS ret;
if (!strequal(dom->name, "*")) {
DEBUG(3, ("idmap_tdb_get_new_id: "
"Refusing allocation of a new unixid for domain'%s'. "
"Currently only supported for the default "
"domain \"*\".\n",
dom->name));
return NT_STATUS_NOT_IMPLEMENTED;
}
ret = idmap_tdb_allocate_id(id);
return ret;
}
/**********************************
Close the alloc tdb
**********************************/
static NTSTATUS idmap_tdb_alloc_close(void)
{
TALLOC_FREE(idmap_alloc_db);
return NT_STATUS_OK;
}
/**********************************************************************
IDMAP MAPPING TDB BACKEND
**********************************************************************/
/*****************************
Initialise idmap database.
*****************************/
static NTSTATUS idmap_tdb_db_init(struct idmap_domain *dom, const char *params)
{
NTSTATUS ret;
struct idmap_tdb_context *ctx;
DEBUG(10, ("idmap_tdb_db_init called for domain '%s'\n", dom->name));
ctx = talloc(dom, struct idmap_tdb_context);
if ( ! ctx) {
DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
/* load backend specific configuration here: */
#if 0
if (strequal(dom->name, "*")) {
} else {
}
#endif
ret = idmap_tdb_open_db(ctx, false, &ctx->db);
if ( ! NT_STATUS_IS_OK(ret)) {
goto failed;
}
dom->private_data = ctx;
return NT_STATUS_OK;
failed:
talloc_free(ctx);
return ret;
}
/**********************************
Single id to sid lookup function.
**********************************/
static NTSTATUS idmap_tdb_id_to_sid(struct idmap_domain *dom, struct id_map *map)
{
NTSTATUS ret;
TDB_DATA data;
char *keystr;
struct idmap_tdb_context *ctx;
if (!dom || !map) {
return NT_STATUS_INVALID_PARAMETER;
}
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
/* apply filters before checking */
if (!idmap_unix_id_is_in_range(map->xid.id, dom)) {
DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
map->xid.id, dom->low_id, dom->high_id));
return NT_STATUS_NONE_MAPPED;
}
switch (map->xid.type) {
case ID_TYPE_UID:
keystr = talloc_asprintf(ctx, "UID %lu", (unsigned long)map->xid.id);
break;
case ID_TYPE_GID:
keystr = talloc_asprintf(ctx, "GID %lu", (unsigned long)map->xid.id);
break;
default:
DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
return NT_STATUS_INVALID_PARAMETER;
}
/* final SAFE_FREE safe */
data.dptr = NULL;
if (keystr == NULL) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
DEBUG(10,("Fetching record %s\n", keystr));
/* Check if the mapping exists */
data = dbwrap_fetch_bystring(ctx->db, NULL, keystr);
if (!data.dptr) {
DEBUG(10,("Record %s not found\n", keystr));
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
if (!string_to_sid(map->sid, (const char *)data.dptr)) {
DEBUG(10,("INVALID SID (%s) in record %s\n",
(const char *)data.dptr, keystr));
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
DEBUG(10,("Found record %s -> %s\n", keystr, (const char *)data.dptr));
ret = NT_STATUS_OK;
done:
talloc_free(data.dptr);
talloc_free(keystr);
return ret;
}
/**********************************
Single sid to id lookup function.
**********************************/
static NTSTATUS idmap_tdb_sid_to_id(struct idmap_domain *dom, struct id_map *map)
{
NTSTATUS ret;
TDB_DATA data;
char *keystr;
unsigned long rec_id = 0;
struct idmap_tdb_context *ctx;
TALLOC_CTX *tmp_ctx = talloc_stackframe();
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
keystr = sid_string_talloc(tmp_ctx, map->sid);
if (keystr == NULL) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
DEBUG(10,("Fetching record %s\n", keystr));
/* Check if sid is present in database */
data = dbwrap_fetch_bystring(ctx->db, tmp_ctx, keystr);
if (!data.dptr) {
DEBUG(10,("Record %s not found\n", keystr));
ret = NT_STATUS_NONE_MAPPED;
goto done;
}
/* What type of record is this ? */
if (sscanf((const char *)data.dptr, "UID %lu", &rec_id) == 1) { /* Try a UID record. */
map->xid.id = rec_id;
map->xid.type = ID_TYPE_UID;
DEBUG(10,("Found uid record %s -> %s \n", keystr, (const char *)data.dptr ));
ret = NT_STATUS_OK;
} else if (sscanf((const char *)data.dptr, "GID %lu", &rec_id) == 1) { /* Try a GID record. */
map->xid.id = rec_id;
map->xid.type = ID_TYPE_GID;
DEBUG(10,("Found gid record %s -> %s \n", keystr, (const char *)data.dptr ));
ret = NT_STATUS_OK;
} else { /* Unknown record type ! */
DEBUG(2, ("Found INVALID record %s -> %s\n", keystr, (const char *)data.dptr));
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
/* apply filters before returning result */
if (!idmap_unix_id_is_in_range(map->xid.id, dom)) {
DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
map->xid.id, dom->low_id, dom->high_id));
ret = NT_STATUS_NONE_MAPPED;
}
done:
talloc_free(tmp_ctx);
return ret;
}
/**********************************
lookup a set of unix ids.
**********************************/
static NTSTATUS idmap_tdb_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
{
struct idmap_tdb_context *ctx;
NTSTATUS ret;
int i;
/* initialize the status to avoid suprise */
for (i = 0; ids[i]; i++) {
ids[i]->status = ID_UNKNOWN;
}
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
for (i = 0; ids[i]; i++) {
ret = idmap_tdb_id_to_sid(dom, ids[i]);
if ( ! NT_STATUS_IS_OK(ret)) {
/* if it is just a failed mapping continue */
if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
/* make sure it is marked as unmapped */
ids[i]->status = ID_UNMAPPED;
continue;
}
/* some fatal error occurred, return immediately */
goto done;
}
/* all ok, id is mapped */
ids[i]->status = ID_MAPPED;
}
ret = NT_STATUS_OK;
done:
return ret;
}
/**********************************
lookup a set of sids.
**********************************/
static NTSTATUS idmap_tdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
{
struct idmap_tdb_context *ctx;
NTSTATUS ret;
int i;
/* initialize the status to avoid suprise */
for (i = 0; ids[i]; i++) {
ids[i]->status = ID_UNKNOWN;
}
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
for (i = 0; ids[i]; i++) {
ret = idmap_tdb_sid_to_id(dom, ids[i]);
if ( ! NT_STATUS_IS_OK(ret)) {
/* if it is just a failed mapping continue */
if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
/* make sure it is marked as unmapped */
ids[i]->status = ID_UNMAPPED;
continue;
}
/* some fatal error occurred, return immediately */
goto done;
}
/* all ok, id is mapped */
ids[i]->status = ID_MAPPED;
}
ret = NT_STATUS_OK;
done:
return ret;
}
/**********************************
set a mapping.
**********************************/
static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
const struct id_map *map)
{
struct idmap_tdb_context *ctx;
NTSTATUS ret;
TDB_DATA ksid, kid;
char *ksidstr, *kidstr;
fstring tmp;
if (!map || !map->sid) {
return NT_STATUS_INVALID_PARAMETER;
}
ksidstr = kidstr = NULL;
/* TODO: should we filter a set_mapping using low/high filters ? */
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
switch (map->xid.type) {
case ID_TYPE_UID:
kidstr = talloc_asprintf(ctx, "UID %lu",
(unsigned long)map->xid.id);
break;
case ID_TYPE_GID:
kidstr = talloc_asprintf(ctx, "GID %lu",
(unsigned long)map->xid.id);
break;
default:
DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
return NT_STATUS_INVALID_PARAMETER;
}
if (kidstr == NULL) {
DEBUG(0, ("ERROR: Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
if ((ksidstr = talloc_asprintf(
ctx, "%s", sid_to_fstring(tmp, map->sid))) == NULL) {
DEBUG(0, ("Out of memory!\n"));
ret = NT_STATUS_NO_MEMORY;
goto done;
}
DEBUG(10, ("Storing %s <-> %s map\n", ksidstr, kidstr));
kid = string_term_tdb_data(kidstr);
ksid = string_term_tdb_data(ksidstr);
if (ctx->db->transaction_start(ctx->db) != 0) {
DEBUG(0, ("Failed to start transaction for %s\n",
ksidstr));
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
ret = dbwrap_store(ctx->db, ksid, kid, TDB_REPLACE);
if (!NT_STATUS_IS_OK(ret)) {
ctx->db->transaction_cancel(ctx->db);
DEBUG(0, ("Error storing SID -> ID (%s -> %s): %s\n",
ksidstr, kidstr, nt_errstr(ret)));
goto done;
}
ret = dbwrap_store(ctx->db, kid, ksid, TDB_REPLACE);
if (!NT_STATUS_IS_OK(ret)) {
ctx->db->transaction_cancel(ctx->db);
DEBUG(0, ("Error storing ID -> SID (%s -> %s): %s\n",
kidstr, ksidstr, nt_errstr(ret)));
goto done;
}
if (ctx->db->transaction_commit(ctx->db) != 0) {
DEBUG(0, ("Failed to commit transaction for (%s -> %s)\n",
ksidstr, kidstr));
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
DEBUG(10,("Stored %s <-> %s\n", ksidstr, kidstr));
ret = NT_STATUS_OK;
done:
talloc_free(ksidstr);
talloc_free(kidstr);
return ret;
}
/**********************************
Close the idmap tdb instance
**********************************/
static NTSTATUS idmap_tdb_close(struct idmap_domain *dom)
{
struct idmap_tdb_context *ctx;
if (dom->private_data) {
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
TALLOC_FREE(ctx->db);
}
return NT_STATUS_OK;
}
static struct idmap_methods db_methods = {
.init = idmap_tdb_db_init,
.unixids_to_sids = idmap_tdb_unixids_to_sids,
.sids_to_unixids = idmap_tdb_sids_to_unixids,
.allocate_id = idmap_tdb_get_new_id,
.close_fn = idmap_tdb_close
};
NTSTATUS idmap_tdb_init(void)
{
DEBUG(10, ("calling idmap_tdb_init\n"));
return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "tdb", &db_methods);
}
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