This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
+ version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Author: Andrew Tridgell
*/
-#include "includes.h"
-#include "ldb/include/includes.h"
+#include "ldb_includes.h"
/*
initialise a ldb context
ldb_set_utf8_default(ldb);
ldb_set_create_perms(ldb, 0666);
+ ldb_set_modules_dir(ldb, LDB_MODULESDIR);
return ldb;
}
-static struct ldb_backend {
- const char *name;
- ldb_connect_fn connect_fn;
- struct ldb_backend *prev, *next;
+static struct backends_list_entry {
+ struct ldb_backend_ops *ops;
+ struct backends_list_entry *prev, *next;
} *ldb_backends = NULL;
+#ifndef STATIC_LIBLDB_BACKENDS
+
+#ifdef HAVE_LDB_LDAP
+#define LDAP_INIT &ldb_ldap_backend_ops, \
+ &ldb_ildap_backend_ops, \
+ &ldb_ldaps_backend_ops,
+#else
+#define LDAP_INIT
+#endif
+
+#ifdef HAVE_LDB_SQLITE3
+#define SQLITE3_INIT &ldb_sqlite3_backend_ops,
+#else
+#define SQLITE3_INIT
+#endif
+
+#define STATIC_LIBLDB_BACKENDS \
+ LDAP_INIT \
+ SQLITE3_INIT \
+ &ldb_tdb_backend_ops, \
+ NULL
+#endif
+
+const static struct ldb_backend_ops *builtin_backends[] = {
+ STATIC_LIBLDB_BACKENDS
+};
static ldb_connect_fn ldb_find_backend(const char *url)
{
- struct ldb_backend *backend;
+ struct backends_list_entry *backend;
+ int i;
+
+ for (i = 0; builtin_backends[i]; i++) {
+ if (strncmp(builtin_backends[i]->name, url, strlen(builtin_backends[i]->name)) == 0)
+ return builtin_backends[i]->connect_fn;
+ }
for (backend = ldb_backends; backend; backend = backend->next) {
- if (strncmp(backend->name, url, strlen(backend->name)) == 0) {
- return backend->connect_fn;
+ if (strncmp(backend->ops->name, url, strlen(backend->ops->name)) == 0) {
+ return backend->ops->connect_fn;
}
}
*/
int ldb_register_backend(const char *url_prefix, ldb_connect_fn connectfn)
{
- struct ldb_backend *backend = talloc(talloc_autofree_context(), struct ldb_backend);
+ struct ldb_backend_ops *backend = talloc(talloc_autofree_context(), struct ldb_backend_ops);
+ struct backends_list_entry *entry = talloc(talloc_autofree_context(), struct backends_list_entry);
if (ldb_find_backend(url_prefix)) {
return LDB_SUCCESS;
backend->name = talloc_strdup(backend, url_prefix);
backend->connect_fn = connectfn;
- DLIST_ADD(ldb_backends, backend);
+ entry->ops = backend;
+ DLIST_ADD(ldb_backends, entry);
return LDB_SUCCESS;
}
fn = ldb_find_backend(backend);
if (fn == NULL) {
- if (ldb_try_load_dso(ldb, backend) == 0) {
+ int (*init_fn) (void);
+
+ init_fn = ldb_dso_load_symbol(ldb, backend,
+ "init_module");
+ if (init_fn != NULL && init_fn() == 0) {
fn = ldb_find_backend(backend);
}
}
+ if (fn == NULL) {
+ struct ldb_backend_ops *ops;
+ char *symbol_name = talloc_asprintf(ldb, "ldb_%s_backend_ops", backend);
+ if (symbol_name == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ops = ldb_dso_load_symbol(ldb, backend, symbol_name);
+ if (ops != NULL) {
+ fn = ops->connect_fn;
+ }
+ talloc_free(symbol_name);
+ }
+
talloc_free(backend);
if (fn == NULL) {
pet hates about ldapsearch, which is that you have to get a long,
complex basedn right to make any use of it.
*/
-static const struct ldb_dn *ldb_set_default_basedn(struct ldb_context *ldb)
+void ldb_set_default_dns(struct ldb_context *ldb)
{
TALLOC_CTX *tmp_ctx;
int ret;
- static const char *attrs[] = { "defaultNamingContext", NULL };
struct ldb_result *res;
- struct ldb_dn *basedn=NULL;
-
- basedn = (struct ldb_dn *)ldb_get_opaque(ldb, "default_baseDN");
- if (basedn) {
- return basedn;
- }
+ struct ldb_dn *tmp_dn=NULL;
+ static const char *attrs[] = {
+ "rootDomainNamingContext",
+ "configurationNamingContext",
+ "schemaNamingContext",
+ "defaultNamingContext",
+ NULL
+ };
tmp_ctx = talloc_new(ldb);
- ret = ldb_search(ldb, ldb_dn_new(tmp_ctx), LDB_SCOPE_BASE,
+ ret = ldb_search(ldb, ldb_dn_new(tmp_ctx, ldb, NULL), LDB_SCOPE_BASE,
"(objectClass=*)", attrs, &res);
if (ret == LDB_SUCCESS) {
if (res->count == 1) {
- basedn = ldb_msg_find_attr_as_dn(ldb, res->msgs[0], "defaultNamingContext");
- ldb_set_opaque(ldb, "default_baseDN", basedn);
+ if (!ldb_get_opaque(ldb, "rootDomainNamingContext")) {
+ tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0], "rootDomainNamingContext");
+ ldb_set_opaque(ldb, "rootDomainNamingContext", tmp_dn);
+ }
+
+ if (!ldb_get_opaque(ldb, "configurationNamingContext")) {
+ tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0], "configurationNamingContext");
+ ldb_set_opaque(ldb, "configurationNamingContext", tmp_dn);
+ }
+
+ if (!ldb_get_opaque(ldb, "schemaNamingContext")) {
+ tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0], "schemaNamingContext");
+ ldb_set_opaque(ldb, "schemaNamingContext", tmp_dn);
+ }
+
+ if (!ldb_get_opaque(ldb, "defaultNamingContext")) {
+ tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0], "defaultNamingContext");
+ ldb_set_opaque(ldb, "defaultNamingContext", tmp_dn);
+ }
}
talloc_free(res);
}
talloc_free(tmp_ctx);
- return basedn;
}
-const struct ldb_dn *ldb_get_default_basedn(struct ldb_context *ldb)
+struct ldb_dn *ldb_get_root_basedn(struct ldb_context *ldb)
{
- return (const struct ldb_dn *)ldb_get_opaque(ldb, "default_baseDN");
+ return talloc_get_type(ldb_get_opaque(ldb, "rootDomainNamingContext"), struct ldb_dn);
+}
+
+struct ldb_dn *ldb_get_config_basedn(struct ldb_context *ldb)
+{
+ return talloc_get_type(ldb_get_opaque(ldb, "configurationNamingContext"), struct ldb_dn);
+}
+
+struct ldb_dn *ldb_get_schema_basedn(struct ldb_context *ldb)
+{
+ return talloc_get_type(ldb_get_opaque(ldb, "schemaNamingContext"), struct ldb_dn);
+}
+
+struct ldb_dn *ldb_get_default_basedn(struct ldb_context *ldb)
+{
+ return talloc_get_type(ldb_get_opaque(ldb, "defaultNamingContext"), struct ldb_dn);
}
/*
int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, const char *options[])
{
int ret;
+ const char *url2;
+ /* We seem to need to do this here, or else some utilities don't get ldb backends */
ldb->flags = flags;
+ url2 = talloc_strdup(ldb, url);
+ if (!url2) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = ldb_set_opaque(ldb, "ldb_url", talloc_strdup(ldb, url2));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
ret = ldb_connect_backend(ldb, url, options, &ldb->modules);
if (ret != LDB_SUCCESS) {
return ret;
ldb->default_timeout = 300; /* set default to 5 minutes */
/* set the default base dn */
- ldb_set_default_basedn(ldb);
+ ldb_set_default_dns(ldb);
return LDB_SUCCESS;
}
void ldb_asprintf_errstring(struct ldb_context *ldb, const char *format, ...)
{
va_list ap;
+ char *old_string = NULL;
if (ldb->err_string) {
- talloc_free(ldb->err_string);
+ old_string = ldb->err_string;
}
va_start(ap, format);
ldb->err_string = talloc_vasprintf(ldb, format, ap);
va_end(ap);
+ talloc_free(old_string);
}
void ldb_reset_err_string(struct ldb_context *ldb)
int ldb_wait(struct ldb_handle *handle, enum ldb_wait_type type)
{
+ int ret;
if (!handle) {
return LDB_SUCCESS;
}
- return handle->module->ops->wait(handle, type);
+ ret = handle->module->ops->wait(handle, type);
+ if (!ldb_errstring(handle->module->ldb)) {
+ /* Set a default error string, to place the blame somewhere */
+ ldb_asprintf_errstring(handle->module->ldb, "error waiting on module %s: %s (%d)", handle->module->ops->name, ldb_strerror(ret), ret);
+ }
+ return ret;
}
/* set the specified timeout or, if timeout is 0 set the default timeout */
FIRST_OP(ldb, rename);
ret = module->ops->rename(module, req);
break;
+ case LDB_EXTENDED:
+ FIRST_OP(ldb, extended);
+ ret = module->ops->extended(module, req);
+ break;
case LDB_SEQUENCE_NUMBER:
FIRST_OP(ldb, sequence_number);
ret = module->ops->sequence_number(module, req);
return LDB_ERR_OPERATIONS_ERROR;
}
- res = *((struct ldb_result **)context);
+ res = talloc_get_type(context, struct ldb_result);
if (!res || !ares) {
+ ldb_set_errstring(ldb, "NULL res or ares in callback");
goto error;
}
-
+
switch (ares->type) {
case LDB_REPLY_ENTRY:
res->msgs = talloc_realloc(res, res->msgs, struct ldb_message *, res->count + 2);
res->refs[n] = talloc_move(res->refs, &ares->referral);
res->refs[n + 1] = NULL;
+ break;
case LDB_REPLY_EXTENDED:
case LDB_REPLY_DONE:
- /* Should do something here to detect if this never
- * happens */
+ /* TODO: we should really support controls on entries and referrals too! */
+ res->controls = talloc_move(res, &ares->controls);
break;
}
- talloc_steal(res, ares->controls);
talloc_free(ares);
return LDB_SUCCESS;
error:
talloc_free(ares);
- talloc_free(res);
- *((struct ldb_result **)context) = NULL;
return LDB_ERR_OPERATIONS_ERROR;
}
int ldb_build_search_req(struct ldb_request **ret_req,
struct ldb_context *ldb,
void *mem_ctx,
- const struct ldb_dn *base,
+ struct ldb_dn *base,
enum ldb_scope scope,
const char *expression,
const char * const *attrs,
req->operation = LDB_SEARCH;
if (base == NULL) {
- req->op.search.base = ldb_dn_new(req);
+ req->op.search.base = ldb_dn_new(req, ldb, NULL);
} else {
req->op.search.base = base;
}
int ldb_build_del_req(struct ldb_request **ret_req,
struct ldb_context *ldb,
void *mem_ctx,
- const struct ldb_dn *dn,
+ struct ldb_dn *dn,
struct ldb_control **controls,
void *context,
ldb_request_callback_t callback)
int ldb_build_rename_req(struct ldb_request **ret_req,
struct ldb_context *ldb,
void *mem_ctx,
- const struct ldb_dn *olddn,
- const struct ldb_dn *newdn,
+ struct ldb_dn *olddn,
+ struct ldb_dn *newdn,
struct ldb_control **controls,
void *context,
ldb_request_callback_t callback)
return LDB_SUCCESS;
}
+int ldb_extended_default_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+{
+ struct ldb_result *res;
+
+ if (!context) {
+ ldb_set_errstring(ldb, "NULL Context in callback");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ res = talloc_get_type(context, struct ldb_result);
+ if (!res || !ares) {
+ ldb_set_errstring(ldb, "NULL res or ares in callback");
+ goto error;
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ case LDB_REPLY_REFERRAL:
+ case LDB_REPLY_DONE:
+ ldb_set_errstring(ldb, "invalid ares type in callback");
+ goto error;
+ case LDB_REPLY_EXTENDED:
+ /* TODO: we should really support controls on entries and referrals too! */
+ res->extended = talloc_move(res, &ares->response);
+ res->controls = talloc_move(res, &ares->controls);
+ break;
+ }
+ talloc_free(ares);
+ return LDB_SUCCESS;
+
+error:
+ talloc_free(ares);
+ return LDB_ERR_OPERATIONS_ERROR;
+}
+
+int ldb_build_extended_req(struct ldb_request **ret_req,
+ struct ldb_context *ldb,
+ void *mem_ctx,
+ const char *oid,
+ void *data,
+ struct ldb_control **controls,
+ void *context,
+ ldb_request_callback_t callback)
+{
+ struct ldb_request *req;
+
+ *ret_req = NULL;
+
+ req = talloc(mem_ctx, struct ldb_request);
+ if (req == NULL) {
+ ldb_set_errstring(ldb, "Out of Memory");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ req->operation = LDB_EXTENDED;
+ req->op.extended.oid = oid;
+ req->op.extended.data = data;
+ req->controls = controls;
+ req->context = context;
+ req->callback = callback;
+
+ *ret_req = req;
+
+ return LDB_SUCCESS;
+}
+
+int ldb_extended(struct ldb_context *ldb,
+ const char *oid,
+ void *data,
+ struct ldb_result **_res)
+{
+ struct ldb_request *req;
+ int ret;
+ struct ldb_result *res;
+
+ *_res = NULL;
+
+ res = talloc_zero(ldb, struct ldb_result);
+ if (!res) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_build_extended_req(&req, ldb, ldb,
+ oid, data, NULL,
+ res, ldb_extended_default_callback);
+ if (ret != LDB_SUCCESS) goto done;
+
+ ldb_set_timeout(ldb, req, 0); /* use default timeout */
+
+ ret = ldb_request(ldb, req);
+
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ talloc_free(req);
+
+done:
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ }
+
+ *_res = res;
+ return ret;
+}
+
/*
note that ldb_search() will automatically replace a NULL 'base' value with the
defaultNamingContext from the rootDSE if available.
*/
int ldb_search(struct ldb_context *ldb,
- const struct ldb_dn *base,
+ struct ldb_dn *base,
enum ldb_scope scope,
const char *expression,
const char * const *attrs,
- struct ldb_result **res)
+ struct ldb_result **_res)
{
struct ldb_request *req;
int ret;
+ struct ldb_result *res;
+
+ *_res = NULL;
- *res = talloc_zero(ldb, struct ldb_result);
- if (! *res) {
+ res = talloc_zero(ldb, struct ldb_result);
+ if (!res) {
return LDB_ERR_OPERATIONS_ERROR;
}
-
+
ret = ldb_build_search_req(&req, ldb, ldb,
base?base:ldb_get_default_basedn(ldb),
scope,
done:
if (ret != LDB_SUCCESS) {
- talloc_free(*res);
- *res = NULL;
+ talloc_free(res);
+ }
+
+ *_res = res;
+ return ret;
+}
+
+/*
+ a useful search function where you can easily define the expression and that
+ takes a memory context where results are allocated
+*/
+
+int ldb_search_exp_fmt(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_result **result,
+ struct ldb_dn *base, enum ldb_scope scope, const char * const *attrs,
+ const char *exp_fmt, ...)
+{
+ struct ldb_result *res;
+ char *expression;
+ va_list ap;
+ int ret;
+
+ res = NULL;
+ *result = NULL;
+
+ va_start(ap, exp_fmt);
+ expression = talloc_vasprintf(mem_ctx, exp_fmt, ap);
+ va_end(ap);
+
+ if ( ! expression) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_search(ldb, base, scope, expression, attrs, &res);
+
+ if (ret == LDB_SUCCESS) {
+ talloc_steal(mem_ctx, res);
+ *result = res;
}
+ talloc_free(expression);
+
return ret;
}
/*
delete a record from the database
*/
-int ldb_delete(struct ldb_context *ldb, const struct ldb_dn *dn)
+int ldb_delete(struct ldb_context *ldb, struct ldb_dn *dn)
{
struct ldb_request *req;
int ret;
/*
rename a record in the database
*/
-int ldb_rename(struct ldb_context *ldb, const struct ldb_dn *olddn, const struct ldb_dn *newdn)
+int ldb_rename(struct ldb_context *ldb, struct ldb_dn *olddn, struct ldb_dn *newdn)
{
struct ldb_request *req;
int ret;