Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
Copyright (C) Jeremy Allison 2006
Copyright (C) Simo Sorce 2003-2006
+ Copyright (C) Michael Adam 2009-2010
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
#include "includes.h"
#include "winbindd.h"
+#include "idmap_rw.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
#define IDMAP_VERSION 2
+struct idmap_tdb_context {
+ struct db_context *db;
+ struct idmap_rw_ops *rw_ops;
+};
+
/* 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;
Convert the idmap database from an older version.
*****************************************************************************/
-static bool idmap_tdb_upgrade(struct db_context *db)
+static bool idmap_tdb_upgrade(struct idmap_domain *dom, struct db_context *db)
{
int32 vers;
bool bigendianheader;
if (wm != -1) {
wm = IREV(wm);
} else {
- wm = idmap_tdb_state.low_uid;
+ wm = dom->low_id;
}
if (dbwrap_store_int32(db, HWM_USER, wm) == -1) {
if (wm != -1) {
wm = IREV(wm);
} else {
- wm = idmap_tdb_state.low_gid;
+ wm = dom->low_id;
}
if (dbwrap_store_int32(db, HWM_GROUP, wm) == -1) {
return True;
}
-static NTSTATUS idmap_tdb_load_ranges(void)
+static NTSTATUS idmap_tdb_init_hwm(struct idmap_domain *dom)
{
- uid_t low_uid = 0;
- uid_t high_uid = 0;
- gid_t low_gid = 0;
- gid_t high_gid = 0;
+ 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);
- if (!lp_idmap_uid(&low_uid, &high_uid)) {
- DEBUG(1, ("idmap uid missing\n"));
- return NT_STATUS_UNSUCCESSFUL;
+ low_uid = dbwrap_fetch_int32(ctx->db, HWM_USER);
+ if (low_uid == -1 || low_uid < dom->low_id) {
+ update_uid = true;
}
- if (!lp_idmap_gid(&low_gid, &high_gid)) {
- DEBUG(1, ("idmap gid missing\n"));
- return NT_STATUS_UNSUCCESSFUL;
+ low_gid = dbwrap_fetch_int32(ctx->db, HWM_GROUP);
+ if (low_gid == -1 || low_gid < dom->low_id) {
+ update_gid = true;
}
- 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 (!update_uid && !update_gid) {
+ return NT_STATUS_OK;
+ }
- 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 (ctx->db->transaction_start(ctx->db) != 0) {
+ DEBUG(0, ("Unable to start upgrade transaction!\n"));
+ return NT_STATUS_INTERNAL_DB_ERROR;
}
- if (idmap_tdb_state.high_gid <= idmap_tdb_state.low_gid) {
- DEBUG(1, ("idmap gid range missing or invalid\n"));
- return NT_STATUS_UNSUCCESSFUL;
+ 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;
}
-static NTSTATUS idmap_tdb_open_db(TALLOC_CTX *memctx,
- bool check_config,
- struct db_context **dbctx)
+static NTSTATUS idmap_tdb_open_db(struct idmap_domain *dom)
{
NTSTATUS ret;
- TALLOC_CTX *ctx;
+ TALLOC_CTX *mem_ctx;
char *tdbfile = NULL;
struct db_context *db = NULL;
int32_t version;
bool config_error = false;
+ struct idmap_tdb_context *ctx;
- ret = idmap_tdb_load_ranges();
- if (!NT_STATUS_IS_OK(ret)) {
- config_error = true;
- if (check_config) {
- return ret;
- }
+ ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
+
+ if (ctx->db) {
+ /* it is already open */
+ return NT_STATUS_OK;
}
/* use our own context here */
- ctx = talloc_stackframe();
+ mem_ctx = talloc_stackframe();
/* use the old database if present */
tdbfile = state_path("winbindd_idmap.tdb");
DEBUG(10,("Opening tdbfile %s\n", tdbfile ));
/* Open idmap repository */
- db = db_open(ctx, tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
+ db = db_open(mem_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;
}
- if (!idmap_tdb_upgrade(db)) {
+ 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;
}
}
- *dbctx = talloc_move(memctx, &db);
- ret = NT_STATUS_OK;
+ ctx->db = talloc_move(ctx, &db);
+
+ ret = idmap_tdb_init_hwm(dom);
done:
- talloc_free(ctx);
+ talloc_free(mem_ctx);
return ret;
}
IDMAP ALLOC TDB BACKEND
**********************************************************************/
-static struct db_context *idmap_alloc_db;
-
-/**********************************
- Initialise idmap alloc database.
-**********************************/
-
-static NTSTATUS idmap_tdb_alloc_init( const char *params )
-{
- int ret;
- NTSTATUS status;
- uint32_t low_uid;
- uint32_t low_gid;
- bool update_uid = false;
- bool update_gid = false;
-
- status = idmap_tdb_open_db(NULL, true, &idmap_alloc_db);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("idmap will be unable to map foreign SIDs: %s\n",
- nt_errstr(status)));
- return status;
- }
-
- low_uid = dbwrap_fetch_int32(idmap_alloc_db, HWM_USER);
- if (low_uid == -1 || low_uid < idmap_tdb_state.low_uid) {
- update_uid = true;
- }
-
- low_gid = dbwrap_fetch_int32(idmap_alloc_db, HWM_GROUP);
- if (low_gid == -1 || low_gid < idmap_tdb_state.low_gid) {
- update_gid = true;
- }
-
- if (!update_uid && !update_gid) {
- return NT_STATUS_OK;
- }
-
- if (idmap_alloc_db->transaction_start(idmap_alloc_db) != 0) {
- TALLOC_FREE(idmap_alloc_db);
- DEBUG(0, ("Unable to start upgrade transaction!\n"));
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
-
- if (update_uid) {
- ret = dbwrap_store_int32(idmap_alloc_db, HWM_USER,
- idmap_tdb_state.low_uid);
- if (ret == -1) {
- idmap_alloc_db->transaction_cancel(idmap_alloc_db);
- TALLOC_FREE(idmap_alloc_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(idmap_alloc_db, HWM_GROUP,
- idmap_tdb_state.low_gid);
- if (ret == -1) {
- idmap_alloc_db->transaction_cancel(idmap_alloc_db);
- TALLOC_FREE(idmap_alloc_db);
- DEBUG(0, ("Unable to initialise group hwm in idmap "
- "database\n"));
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
- }
-
- if (idmap_alloc_db->transaction_commit(idmap_alloc_db) != 0) {
- TALLOC_FREE(idmap_alloc_db);
- DEBUG(0, ("Unable to commit upgrade transaction!\n"));
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
-
- return NT_STATUS_OK;
-}
-
/**********************************
Allocate a new id.
**********************************/
return ret;
}
-static NTSTATUS idmap_tdb_allocate_id(struct unixid *xid)
+static NTSTATUS idmap_tdb_allocate_id(struct idmap_domain *dom,
+ struct unixid *xid)
{
const char *hwmkey;
const char *hwmtype;
uint32_t hwm = 0;
NTSTATUS status;
struct idmap_tdb_allocate_id_context state;
+ struct idmap_tdb_context *ctx;
+
+ ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
/* 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:
return NT_STATUS_INVALID_PARAMETER;
}
+ high_hwm = dom->high_id;
+
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,
+ status = dbwrap_trans_do(ctx->db, idmap_tdb_allocate_id_action,
&state);
if (NT_STATUS_IS_OK(status)) {
return NT_STATUS_NOT_IMPLEMENTED;
}
- ret = idmap_tdb_allocate_id(id);
+ ret = idmap_tdb_allocate_id(dom, 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
**********************************************************************/
-
-struct idmap_tdb_context {
- struct db_context *db;
- uint32_t filter_low_id;
- uint32_t filter_high_id;
-};
/*****************************
Initialise idmap database.
*****************************/
+static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
+ const struct id_map *map);
+
static NTSTATUS idmap_tdb_db_init(struct idmap_domain *dom, const char *params)
{
NTSTATUS ret;
DEBUG(10, ("idmap_tdb_db_init called for domain '%s'\n", dom->name));
- ctx = talloc(dom, struct idmap_tdb_context);
+ ctx = talloc_zero(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, "*")) {
- uid_t low_uid = 0;
- uid_t high_uid = 0;
- gid_t low_gid = 0;
- gid_t high_gid = 0;
-
- ctx->filter_low_id = 0;
- ctx->filter_high_id = 0;
-
- if (lp_idmap_uid(&low_uid, &high_uid)) {
- ctx->filter_low_id = low_uid;
- ctx->filter_high_id = high_uid;
- } else {
- DEBUG(3, ("Warning: 'idmap uid' not set!\n"));
- }
-
- if (lp_idmap_gid(&low_gid, &high_gid)) {
- if ((low_gid != low_uid) || (high_gid != high_uid)) {
- DEBUG(1, ("Warning: 'idmap uid' and 'idmap gid'"
- " ranges do not agree -- building "
- "intersection\n"));
- ctx->filter_low_id = MAX(ctx->filter_low_id,
- low_gid);
- ctx->filter_high_id = MIN(ctx->filter_high_id,
- high_gid);
- }
- } else {
- DEBUG(3, ("Warning: 'idmap gid' not set!\n"));
- }
} else {
- char *config_option = NULL;
- const char *range;
-
- config_option = talloc_asprintf(ctx, "idmap config %s", dom->name);
- if ( ! config_option) {
- DEBUG(0, ("Out of memory!\n"));
- ret = NT_STATUS_NO_MEMORY;
- goto failed;
- }
-
- range = lp_parm_const_string(-1, config_option, "range", NULL);
- if (( ! range) ||
- (sscanf(range, "%u - %u", &ctx->filter_low_id, &ctx->filter_high_id) != 2))
- {
- ctx->filter_low_id = 0;
- ctx->filter_high_id = 0;
- }
-
- talloc_free(config_option);
}
+#endif
- if (ctx->filter_low_id > ctx->filter_high_id) {
- ctx->filter_low_id = 0;
- ctx->filter_high_id = 0;
+ ctx->rw_ops = talloc_zero(ctx, struct idmap_rw_ops);
+ if (ctx->rw_ops == NULL) {
+ DEBUG(0, ("Out of memory!\n"));
+ ret = NT_STATUS_NO_MEMORY;
+ goto failed;
}
- DEBUG(10, ("idmap_tdb_db_init: filter range %u-%u loaded for domain "
- "'%s'\n", ctx->filter_low_id, ctx->filter_high_id, dom->name));
+ ctx->rw_ops->get_new_id = idmap_tdb_get_new_id;
+ ctx->rw_ops->set_mapping = idmap_tdb_set_mapping;
- ret = idmap_tdb_open_db(ctx, false, &ctx->db);
+ dom->private_data = ctx;
+
+ ret = idmap_tdb_open_db(dom);
if ( ! NT_STATUS_IS_OK(ret)) {
goto failed;
}
- dom->private_data = ctx;
-
return NT_STATUS_OK;
failed:
return ret;
}
+
+/**
+ * store a mapping in the database
+ */
+
+struct idmap_tdb_set_mapping_context {
+ const char *ksidstr;
+ const char *kidstr;
+};
+
+static NTSTATUS idmap_tdb_set_mapping_action(struct db_context *db,
+ void *private_data)
+{
+ NTSTATUS ret;
+ struct idmap_tdb_set_mapping_context *state;
+
+ state = (struct idmap_tdb_set_mapping_context *)private_data;
+
+ DEBUG(10, ("Storing %s <-> %s map\n", state->ksidstr, state->kidstr));
+
+ ret = dbwrap_store_bystring(db, state->ksidstr,
+ string_term_tdb_data(state->kidstr),
+ TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0, ("Error storing SID -> ID (%s -> %s): %s\n",
+ state->ksidstr, state->kidstr, nt_errstr(ret)));
+ goto done;
+ }
+
+ ret = dbwrap_store_bystring(db, state->kidstr,
+ string_term_tdb_data(state->ksidstr),
+ TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0, ("Error storing ID -> SID (%s -> %s): %s\n",
+ state->kidstr, state->ksidstr, nt_errstr(ret)));
+ goto done;
+ }
+
+ DEBUG(10,("Stored %s <-> %s\n", state->ksidstr, state->kidstr));
+ ret = NT_STATUS_OK;
+
+done:
+ return ret;
+}
+
+static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
+ const struct id_map *map)
+{
+ struct idmap_tdb_context *ctx;
+ NTSTATUS ret;
+ char *ksidstr, *kidstr;
+ struct idmap_tdb_set_mapping_context state;
+
+ 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;
+ }
+
+ ksidstr = sid_string_talloc(ctx, map->sid);
+ if (ksidstr == NULL) {
+ DEBUG(0, ("Out of memory!\n"));
+ ret = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ state.ksidstr = ksidstr;
+ state.kidstr = kidstr;
+
+ ret = dbwrap_trans_do(ctx->db, idmap_tdb_set_mapping_action, &state);
+
+done:
+ talloc_free(ksidstr);
+ talloc_free(kidstr);
+ return ret;
+}
+
+/**
+ * Create a new mapping for an unmapped SID, also allocating a new ID.
+ * This should be run inside a transaction.
+ *
+ * TODO:
+ * Properly integrate this with multi domain idmap config:
+ * Currently, the allocator is default-config only.
+ */
+static NTSTATUS idmap_tdb_new_mapping(struct idmap_domain *dom, struct id_map *map)
+{
+ NTSTATUS ret;
+ struct idmap_tdb_context *ctx;
+
+ ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
+
+ ret = idmap_rw_new_mapping(dom, ctx->rw_ops, map);
+
+ return ret;
+}
+
+
/**********************************
Single id to sid lookup function.
**********************************/
-static NTSTATUS idmap_tdb_id_to_sid(struct idmap_tdb_context *ctx, struct id_map *map)
+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 (!ctx || !map) {
+ if (!dom || !map) {
return NT_STATUS_INVALID_PARAMETER;
}
+ ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
+
/* apply filters before checking */
- if ((ctx->filter_low_id && (map->xid.id < ctx->filter_low_id)) ||
- (ctx->filter_high_id && (map->xid.id > ctx->filter_high_id))) {
+ 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, ctx->filter_low_id, ctx->filter_high_id));
+ map->xid.id, dom->low_id, dom->high_id));
return NT_STATUS_NONE_MAPPED;
}
Single sid to id lookup function.
**********************************/
-static NTSTATUS idmap_tdb_sid_to_id(struct idmap_tdb_context *ctx, struct id_map *map)
+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"));
}
/* apply filters before returning result */
- if ((ctx->filter_low_id && (map->xid.id < ctx->filter_low_id)) ||
- (ctx->filter_high_id && (map->xid.id > ctx->filter_high_id))) {
+ 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, ctx->filter_low_id, ctx->filter_high_id));
+ map->xid.id, dom->low_id, dom->high_id));
ret = NT_STATUS_NONE_MAPPED;
}
ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
for (i = 0; ids[i]; i++) {
- ret = idmap_tdb_id_to_sid(ctx, ids[i]);
+ ret = idmap_tdb_id_to_sid(dom, ids[i]);
if ( ! NT_STATUS_IS_OK(ret)) {
/* if it is just a failed mapping continue */
lookup a set of sids.
**********************************/
-static NTSTATUS idmap_tdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
+struct idmap_tdb_sids_to_unixids_context {
+ struct idmap_domain *dom;
+ struct id_map **ids;
+ bool allocate_unmapped;
+};
+
+static NTSTATUS idmap_tdb_sids_to_unixids_action(struct db_context *db,
+ void *private_data)
{
- struct idmap_tdb_context *ctx;
- NTSTATUS ret;
+ struct idmap_tdb_sids_to_unixids_context *state;
int i;
+ NTSTATUS ret;
- /* 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(ctx, ids[i]);
- if ( ! NT_STATUS_IS_OK(ret)) {
+ state = (struct idmap_tdb_sids_to_unixids_context *)private_data;
- /* if it is just a failed mapping continue */
- if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
+ DEBUG(10, ("idmap_tdb_sids_to_unixids_action: "
+ " domain: [%s], allocate: %s\n",
+ state->dom->name,
+ state->allocate_unmapped ? "yes" : "no"));
- /* make sure it is marked as unmapped */
- ids[i]->status = ID_UNMAPPED;
- continue;
+ for (i = 0; state->ids[i]; i++) {
+ if ((state->ids[i]->status == ID_UNKNOWN) ||
+ /* retry if we could not map in previous run: */
+ (state->ids[i]->status == ID_UNMAPPED))
+ {
+ NTSTATUS ret2;
+
+ ret2 = idmap_tdb_sid_to_id(state->dom, state->ids[i]);
+ if (!NT_STATUS_IS_OK(ret2)) {
+
+ /* if it is just a failed mapping, continue */
+ if (NT_STATUS_EQUAL(ret2, NT_STATUS_NONE_MAPPED)) {
+
+ /* make sure it is marked as unmapped */
+ state->ids[i]->status = ID_UNMAPPED;
+ ret = STATUS_SOME_UNMAPPED;
+ } else {
+ /* some fatal error occurred, return immediately */
+ ret = ret2;
+ goto done;
+ }
+ } else {
+ /* all ok, id is mapped */
+ state->ids[i]->status = ID_MAPPED;
}
-
- /* some fatal error occurred, return immediately */
- goto done;
}
- /* all ok, id is mapped */
- ids[i]->status = ID_MAPPED;
+ if ((state->ids[i]->status == ID_UNMAPPED) &&
+ state->allocate_unmapped)
+ {
+ ret = idmap_tdb_new_mapping(state->dom, state->ids[i]);
+ if (!NT_STATUS_IS_OK(ret)) {
+ goto done;
+ }
+ }
}
- 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)
+static NTSTATUS idmap_tdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
{
struct idmap_tdb_context *ctx;
NTSTATUS ret;
- TDB_DATA ksid, kid;
- char *ksidstr, *kidstr;
- fstring tmp;
+ int i;
+ struct idmap_tdb_sids_to_unixids_context state;
- if (!map || !map->sid) {
- return NT_STATUS_INVALID_PARAMETER;
+ /* initialize the status to avoid suprise */
+ for (i = 0; ids[i]; i++) {
+ ids[i]->status = ID_UNKNOWN;
}
-
- 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) {
+ state.dom = dom;
+ state.ids = ids;
+ state.allocate_unmapped = false;
- case ID_TYPE_UID:
- kidstr = talloc_asprintf(ctx, "UID %lu",
- (unsigned long)map->xid.id);
- break;
+ ret = idmap_tdb_sids_to_unixids_action(ctx->db, &state);
- 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;
+ if (NT_STATUS_EQUAL(ret, STATUS_SOME_UNMAPPED) && !dom->read_only) {
+ state.allocate_unmapped = true;
+ ret = dbwrap_trans_do(ctx->db,
+ idmap_tdb_sids_to_unixids_action,
+ &state);
}
- 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
**********************************/
.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
};
git.samba.org / amitay / samba.git / blobdiff