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-rw-r--r--source4/lib/ldb/common/ldb.c229
1 files changed, 141 insertions, 88 deletions
diff --git a/source4/lib/ldb/common/ldb.c b/source4/lib/ldb/common/ldb.c
index bfce12bdd3..20557bd83d 100644
--- a/source4/lib/ldb/common/ldb.c
+++ b/source4/lib/ldb/common/ldb.c
@@ -71,7 +71,7 @@ static struct backends_list_entry {
struct backends_list_entry *prev, *next;
} *ldb_backends = NULL;
-#ifndef STATIC_LIBLDB_BACKENDS
+#ifndef STATIC_LIBLDB_BACKENDS
#ifdef HAVE_LDB_LDAP
#define LDAP_INIT &ldb_ldap_backend_ops, \
@@ -104,12 +104,14 @@ static ldb_connect_fn ldb_find_backend(const char *url)
int i;
for (i = 0; builtin_backends[i]; i++) {
- if (strncmp(builtin_backends[i]->name, url, strlen(builtin_backends[i]->name)) == 0)
+ 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->ops->name, url, strlen(backend->ops->name)) == 0) {
+ if (strncmp(backend->ops->name, url,
+ strlen(backend->ops->name)) == 0) {
return backend->ops->connect_fn;
}
}
@@ -122,8 +124,17 @@ static ldb_connect_fn ldb_find_backend(const char *url)
*/
int ldb_register_backend(const char *url_prefix, ldb_connect_fn connectfn)
{
- 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);
+ struct ldb_backend_ops *backend;
+ struct backends_list_entry *entry;
+
+ backend = talloc(talloc_autofree_context(), struct ldb_backend_ops);
+ if (!backend) return LDB_OPERATIONS_ERROR;
+
+ entry = talloc(talloc_autofree_context(), struct backends_list_entry);
+ if (!entry) {
+ talloc_free(backend);
+ return LDB_OPERATIONS_ERROR;
+ }
if (ldb_find_backend(url_prefix)) {
return LDB_SUCCESS;
@@ -139,8 +150,9 @@ int ldb_register_backend(const char *url_prefix, ldb_connect_fn connectfn)
return LDB_SUCCESS;
}
-/*
- Return the ldb module form of a database. The URL can either be one of the following forms
+/*
+ Return the ldb module form of a database.
+ The URL can either be one of the following forms
ldb://path
ldapi://path
@@ -149,10 +161,12 @@ int ldb_register_backend(const char *url_prefix, ldb_connect_fn connectfn)
the options are passed uninterpreted to the backend, and are
backend specific.
- This allows modules to get at only the backend module, for example where a module
- may wish to direct certain requests at a particular backend.
+ This allows modules to get at only the backend module, for example where a
+ module may wish to direct certain requests at a particular backend.
*/
-int ldb_connect_backend(struct ldb_context *ldb, const char *url, const char *options[],
+int ldb_connect_backend(struct ldb_context *ldb,
+ const char *url,
+ const char *options[],
struct ldb_module **backend_module)
{
int ret;
@@ -194,14 +208,16 @@ int ldb_connect_backend(struct ldb_context *ldb, const char *url, const char *op
talloc_free(backend);
if (fn == NULL) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Unable to find backend for '%s'\n", url);
+ ldb_debug(ldb, LDB_DEBUG_FATAL,
+ "Unable to find backend for '%s'\n", url);
return LDB_ERR_OTHER;
}
ret = fn(ldb, url, ldb->flags, options, backend_module);
if (ret != LDB_SUCCESS) {
- ldb_debug(ldb, LDB_DEBUG_ERROR, "Failed to connect to '%s'\n", url);
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Failed to connect to '%s'\n", url);
return ret;
}
return ret;
@@ -227,58 +243,72 @@ void ldb_set_default_dns(struct ldb_context *ldb)
};
tmp_ctx = talloc_new(ldb);
- ret = ldb_search(ldb, ldb_dn_new(tmp_ctx, ldb, NULL), 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) {
- 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);
- }
- }
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ if (res->count != 1) {
talloc_free(res);
+ return;
+ }
+
+ 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);
}
struct ldb_dn *ldb_get_root_basedn(struct ldb_context *ldb)
{
- return talloc_get_type(ldb_get_opaque(ldb, "rootDomainNamingContext"), struct ldb_dn);
+ void *opaque = ldb_get_opaque(ldb, "rootDomainNamingContext");
+ return talloc_get_type(opaque, 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);
+ void *opaque = ldb_get_opaque(ldb, "configurationNamingContext");
+ return talloc_get_type(opaque, 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);
+ void *opaque = ldb_get_opaque(ldb, "schemaNamingContext");
+ return talloc_get_type(opaque, 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);
+ void *opaque = ldb_get_opaque(ldb, "defaultNamingContext");
+ return talloc_get_type(opaque, struct ldb_dn);
}
-/*
- connect to a database. The URL can either be one of the following forms
+/*
+ connect to a database. The URL can either be one of the following forms
ldb://path
ldapi://path
@@ -287,11 +317,13 @@ struct ldb_dn *ldb_get_default_basedn(struct ldb_context *ldb)
the options are passed uninterpreted to the backend, and are
backend specific
*/
-int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, const char *options[])
+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 */
+ /* We seem to need to do this here, or else some utilities don't
+ * get ldb backends */
ldb->flags = flags;
@@ -311,7 +343,8 @@ int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, co
}
if (ldb_load_modules(ldb, options) != LDB_SUCCESS) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Unable to load modules for %s: %s\n",
+ ldb_debug(ldb, LDB_DEBUG_FATAL,
+ "Unable to load modules for %s: %s\n",
url, ldb_errstring(ldb));
return LDB_ERR_OTHER;
}
@@ -381,9 +414,9 @@ static int ldb_transaction_start_internal(struct ldb_context *ldb)
if (ldb->err_string == NULL) {
/* no error string was setup by the backend */
ldb_asprintf_errstring(ldb,
- "ldb transaction start: %s (%d)",
- ldb_strerror(status),
- status);
+ "ldb transaction start: %s (%d)",
+ ldb_strerror(status),
+ status);
}
}
return status;
@@ -404,10 +437,10 @@ static int ldb_transaction_commit_internal(struct ldb_context *ldb)
if (status != LDB_SUCCESS) {
if (ldb->err_string == NULL) {
/* no error string was setup by the backend */
- ldb_asprintf_errstring(ldb,
- "ldb transaction commit: %s (%d)",
- ldb_strerror(status),
- status);
+ ldb_asprintf_errstring(ldb,
+ "ldb transaction commit: %s (%d)",
+ ldb_strerror(status),
+ status);
}
}
return status;
@@ -426,10 +459,10 @@ static int ldb_transaction_cancel_internal(struct ldb_context *ldb)
if (status != LDB_SUCCESS) {
if (ldb->err_string == NULL) {
/* no error string was setup by the backend */
- ldb_asprintf_errstring(ldb,
- "ldb transaction cancel: %s (%d)",
- ldb_strerror(status),
- status);
+ ldb_asprintf_errstring(ldb,
+ "ldb transaction cancel: %s (%d)",
+ ldb_strerror(status),
+ status);
}
}
return status;
@@ -489,7 +522,8 @@ static int ldb_autotransaction_cancel(struct ldb_context *ldb)
}
/* autostarts a transacion if none active */
-static int ldb_autotransaction_request(struct ldb_context *ldb, struct ldb_request *req)
+static int ldb_autotransaction_request(struct ldb_context *ldb,
+ struct ldb_request *req)
{
int ret;
@@ -526,17 +560,22 @@ int ldb_wait(struct ldb_handle *handle, enum ldb_wait_type 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);
+ 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 */
/* timeout == -1 means no timeout */
-int ldb_set_timeout(struct ldb_context *ldb, struct ldb_request *req, int timeout)
+int ldb_set_timeout(struct ldb_context *ldb,
+ struct ldb_request *req,
+ int timeout)
{
if (req == NULL) return LDB_ERR_OPERATIONS_ERROR;
-
+
if (timeout != 0) {
req->timeout = timeout;
} else {
@@ -548,7 +587,9 @@ int ldb_set_timeout(struct ldb_context *ldb, struct ldb_request *req, int timeou
}
/* calculates the new timeout based on the previous starttime and timeout */
-int ldb_set_timeout_from_prev_req(struct ldb_context *ldb, struct ldb_request *oldreq, struct ldb_request *newreq)
+int ldb_set_timeout_from_prev_req(struct ldb_context *ldb,
+ struct ldb_request *oldreq,
+ struct ldb_request *newreq)
{
time_t now;
@@ -569,7 +610,7 @@ int ldb_set_timeout_from_prev_req(struct ldb_context *ldb, struct ldb_request *o
}
-/*
+/*
set the permissions for new files to be passed to open() in
backends that use local files
*/
@@ -647,15 +688,17 @@ int ldb_request(struct ldb_context *ldb, struct ldb_request *req)
Use talloc_free to free the ldb_message returned in 'res', if successful
*/
-int ldb_search_default_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+int ldb_search_default_callback(struct ldb_context *ldb,
+ void *context,
+ struct ldb_reply *ares)
{
struct ldb_result *res;
int n;
-
+
if (!context) {
ldb_set_errstring(ldb, "NULL Context in callback");
return LDB_ERR_OPERATIONS_ERROR;
- }
+ }
res = talloc_get_type(context, struct ldb_result);
@@ -666,7 +709,9 @@ int ldb_search_default_callback(struct ldb_context *ldb, void *context, struct l
switch (ares->type) {
case LDB_REPLY_ENTRY:
- res->msgs = talloc_realloc(res, res->msgs, struct ldb_message *, res->count + 2);
+ res->msgs = talloc_realloc(res, res->msgs,
+ struct ldb_message *,
+ res->count + 2);
if (! res->msgs) {
goto error;
}
@@ -693,9 +738,10 @@ int ldb_search_default_callback(struct ldb_context *ldb, void *context, struct l
break;
case LDB_REPLY_EXTENDED:
case LDB_REPLY_DONE:
- /* TODO: we should really support controls on entries and referrals too! */
+ /* TODO: we should really support controls on entries
+ * and referrals too! */
res->controls = talloc_move(res, &ares->controls);
- break;
+ break;
}
talloc_free(ares);
return LDB_SUCCESS;
@@ -868,10 +914,12 @@ int ldb_build_rename_req(struct ldb_request **ret_req,
return LDB_SUCCESS;
}
-int ldb_extended_default_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+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;
@@ -890,10 +938,11 @@ int ldb_extended_default_callback(struct ldb_context *ldb, void *context, struct
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! */
+ /* 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;
+ break;
}
talloc_free(ares);
return LDB_SUCCESS;
@@ -934,7 +983,7 @@ int ldb_build_extended_req(struct ldb_request **ret_req,
return LDB_SUCCESS;
}
-int ldb_extended(struct ldb_context *ldb,
+int ldb_extended(struct ldb_context *ldb,
const char *oid,
void *data,
struct ldb_result **_res)
@@ -958,7 +1007,7 @@ int ldb_extended(struct ldb_context *ldb,
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);
}
@@ -975,14 +1024,14 @@ done:
}
/*
- note that ldb_search() will automatically replace a NULL 'base' value with the
- defaultNamingContext from the rootDSE if available.
+ 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,
+int ldb_search(struct ldb_context *ldb,
struct ldb_dn *base,
enum ldb_scope scope,
const char *expression,
- const char * const *attrs,
+ const char * const *attrs,
struct ldb_result **_res)
{
struct ldb_request *req;
@@ -1010,7 +1059,7 @@ int ldb_search(struct ldb_context *ldb,
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);
}
@@ -1031,8 +1080,9 @@ done:
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,
+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;
@@ -1064,10 +1114,10 @@ int ldb_search_exp_fmt(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_
}
/*
- add a record to the database. Will fail if a record with the given class and key
- already exists
+ add a record to the database. Will fail if a record with the
+ given class and key already exists
*/
-int ldb_add(struct ldb_context *ldb,
+int ldb_add(struct ldb_context *ldb,
const struct ldb_message *message)
{
struct ldb_request *req;
@@ -1098,7 +1148,7 @@ int ldb_add(struct ldb_context *ldb,
/*
modify the specified attributes of a record
*/
-int ldb_modify(struct ldb_context *ldb,
+int ldb_modify(struct ldb_context *ldb,
const struct ldb_message *message)
{
struct ldb_request *req;
@@ -1155,7 +1205,8 @@ int ldb_delete(struct ldb_context *ldb, struct ldb_dn *dn)
/*
rename a record in the database
*/
-int ldb_rename(struct ldb_context *ldb, struct ldb_dn *olddn, 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;
@@ -1182,7 +1233,9 @@ int ldb_rename(struct ldb_context *ldb, struct ldb_dn *olddn, struct ldb_dn *new
/*
return the global sequence number
*/
-int ldb_sequence_number(struct ldb_context *ldb, enum ldb_sequence_type type, uint64_t *seq_num)
+int ldb_sequence_number(struct ldb_context *ldb,
+ enum ldb_sequence_type type,
+ uint64_t *seq_num)
{
struct ldb_request *req;
int ret;
@@ -1202,7 +1255,7 @@ int ldb_sequence_number(struct ldb_context *ldb, enum ldb_sequence_type type, ui
req->op.seq_num.type = type;
/* do request and autostart a transaction */
ret = ldb_request(ldb, req);
-
+
if (ret == LDB_SUCCESS) {
*seq_num = req->op.seq_num.seq_num;
}
@@ -1214,7 +1267,7 @@ int ldb_sequence_number(struct ldb_context *ldb, enum ldb_sequence_type type, ui
/*
- return extended error information
+ return extended error information
*/
const char *ldb_errstring(struct ldb_context *ldb)
{