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/*
Unix SMB/CIFS implementation.
common share info functions
Copyright (C) Andrew Tridgell 2004
Copyright (C) Tim Potter 2004
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 "lib/ldb/include/ldb.h"
#include "../lib/util/util_ldb.h"
/*
search the sam for the specified attributes - va_list variant
*/
int gendb_search_v(struct ldb_context *ldb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *basedn,
struct ldb_message ***msgs,
const char * const *attrs,
const char *format,
va_list ap)
{
enum ldb_scope scope = LDB_SCOPE_SUBTREE;
struct ldb_result *res;
char *expr = NULL;
int ret;
if (format) {
expr = talloc_vasprintf(mem_ctx, format, ap);
if (expr == NULL) {
return -1;
}
} else {
scope = LDB_SCOPE_BASE;
}
res = NULL;
ret = ldb_search(ldb, mem_ctx, &res, basedn, scope, attrs,
expr?"%s":NULL, expr);
if (ret == LDB_SUCCESS) {
talloc_steal(mem_ctx, res->msgs);
DEBUG(6,("gendb_search_v: %s %s -> %d\n",
basedn?ldb_dn_get_linearized(basedn):"NULL",
expr?expr:"NULL", res->count));
ret = res->count;
*msgs = res->msgs;
talloc_free(res);
} else if (scope == LDB_SCOPE_BASE && ret == LDB_ERR_NO_SUCH_OBJECT) {
ret = 0;
*msgs = NULL;
} else {
DEBUG(4,("gendb_search_v: search failed: %s\n",
ldb_errstring(ldb)));
ret = -1;
}
talloc_free(expr);
return ret;
}
/*
search the LDB for the specified attributes - varargs variant
*/
int gendb_search(struct ldb_context *ldb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *basedn,
struct ldb_message ***res,
const char * const *attrs,
const char *format, ...)
{
va_list ap;
int count;
va_start(ap, format);
count = gendb_search_v(ldb, mem_ctx, basedn, res, attrs, format, ap);
va_end(ap);
return count;
}
/*
search the LDB for a specified record (by DN)
*/
int gendb_search_dn(struct ldb_context *ldb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *dn,
struct ldb_message ***res,
const char * const *attrs)
{
return gendb_search(ldb, mem_ctx, dn, res, attrs, NULL);
}
/*
setup some initial ldif in a ldb
*/
int gendb_add_ldif(struct ldb_context *ldb, const char *ldif_string)
{
struct ldb_ldif *ldif;
int ret;
ldif = ldb_ldif_read_string(ldb, &ldif_string);
if (ldif == NULL) return -1;
ret = ldb_add(ldb, ldif->msg);
talloc_free(ldif);
return ret;
}
char *wrap_casefold(void *context, void *mem_ctx, const char *s, size_t n)
{
return strupper_talloc_n(mem_ctx, s, n);
}
/*
search the LDB for a single record, with the extended_dn control
return LDB_SUCCESS on success, or an ldb error code on error
if the search returns 0 entries, return LDB_ERR_NO_SUCH_OBJECT
if the search returns more than 1 entry, return LDB_ERR_CONSTRAINT_VIOLATION
*/
int gendb_search_single_extended_dn(struct ldb_context *ldb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *basedn,
enum ldb_scope scope,
struct ldb_message **msg,
const char * const *attrs,
const char *format, ...)
{
va_list ap;
int ret;
struct ldb_request *req;
char *filter;
TALLOC_CTX *tmp_ctx;
struct ldb_result *res;
struct ldb_extended_dn_control *ctrl;
tmp_ctx = talloc_new(mem_ctx);
res = talloc_zero(tmp_ctx, struct ldb_result);
if (!res) {
return LDB_ERR_OPERATIONS_ERROR;
}
va_start(ap, format);
filter = talloc_vasprintf(tmp_ctx, format, ap);
va_end(ap);
if (filter == NULL) {
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
ret = ldb_build_search_req(&req, ldb, tmp_ctx,
basedn,
scope,
filter,
attrs,
NULL,
res,
ldb_search_default_callback,
NULL);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
ctrl = talloc(tmp_ctx, struct ldb_extended_dn_control);
if (ctrl == NULL) {
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
ctrl->type = 1;
ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, ctrl);
if (ret != LDB_SUCCESS) {
return ret;
}
ret = ldb_request(ldb, req);
if (ret == LDB_SUCCESS) {
ret = ldb_wait(req->handle, LDB_WAIT_ALL);
}
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
if (res->count == 0) {
talloc_free(tmp_ctx);
return LDB_ERR_NO_SUCH_OBJECT;
}
if (res->count > 1) {
/* the function is only supposed to return a single
entry */
talloc_free(tmp_ctx);
return LDB_ERR_CONSTRAINT_VIOLATION;
}
*msg = talloc_steal(mem_ctx, res->msgs[0]);
talloc_free(tmp_ctx);
return LDB_SUCCESS;
}
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