Merge branch 'v4-0-test' of ssh://git.samba.org/data/git/samba into v4-0-gmake3

Conflicts:

	source/build/smb_build/header.pm
	source/build/smb_build/makefile.pm
	source/lib/ldb/include/ldb_private.h
(This used to be commit 1a646af0647f021d99473a8991c35e616a423ea6)

2 files changed, 90 insertions, 58 deletions

diff --git a/source4/lib/ldb/common/ldb.c b/source4/lib/ldb/common/ldb.c
index 87f791cb38..3c9ef3ff69 100644
--- a/source4/lib/ldb/common/ldb.c
+++ b/source4/lib/ldb/common/ldb.c
@@ -56,20 +56,51 @@ struct ldb_context *ldb_init(void *mem_ctx)
 	return ldb;
 }
 
-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;
 		}
 	}
 
@@ -81,7 +112,8 @@ 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 *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;
@@ -91,7 +123,8 @@ int ldb_register_backend(const char *url_prefix, ldb_connect_fn connectfn)
 
 	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;
 }
@@ -135,6 +168,19 @@ int ldb_connect_backend(struct ldb_context *ldb, const char *url, const char *op
 		}
 	}
 
+	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) {
@@ -236,7 +282,6 @@ int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, co
 	int ret;
 	const char *url2;
 	/* We seem to need to do this here, or else some utilities don't get ldb backends */
-	ldb_global_init();
 
 	ldb->flags = flags;
 
@@ -463,11 +508,17 @@ static int ldb_autotransaction_request(struct ldb_context *ldb, struct ldb_reque
 
 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 */
diff --git a/source4/lib/ldb/common/ldb_modules.c b/source4/lib/ldb/common/ldb_modules.c
index a3bf71d0d8..a4e0b94188 100644
--- a/source4/lib/ldb/common/ldb_modules.c
+++ b/source4/lib/ldb/common/ldb_modules.c
@@ -125,9 +125,30 @@ static struct ops_list_entry {
 	struct ops_list_entry *next;	
 } *registered_modules = NULL;
 
+#ifndef STATIC_LIBLDB_MODULES
+
+#define STATIC_LIBLDB_MODULES \
+	ldb_operational_module_ops,	\
+	ldb_rdn_name_module_ops,	\
+	ldb_paged_results_module_ops,	\
+	ldb_sort_module_ops,		\
+	ldb_asq_module_ops, \
+	NULL
+#endif
+
+const static struct ldb_module_ops *builtin_modules[] = {
+	STATIC_LIBLDB_MODULES
+};
+
 static const struct ldb_module_ops *ldb_find_module_ops(const char *name)
 {
 	struct ops_list_entry *e;
+	int i;
+
+	for (i = 0; builtin_modules[i]; i++) {
+		if (strcmp(builtin_modules[i]->name, name) == 0)
+			return builtin_modules[i];
+	}
  
 	for (e = registered_modules; e; e = e->next) {
  		if (strcmp(e->ops->name, name) == 0) 
@@ -137,51 +158,6 @@ static const struct ldb_module_ops *ldb_find_module_ops(const char *name)
 	return NULL;
 }
 
-#ifndef STATIC_LIBLDB_MODULES
-
-#ifdef HAVE_LDB_LDAP
-#define LDAP_INIT ldb_ldap_init,
-#else
-#define LDAP_INIT
-#endif
-
-#ifdef HAVE_LDB_SQLITE3
-#define SQLITE3_INIT ldb_sqlite3_init,
-#else
-#define SQLITE3_INIT
-#endif
-
-#define STATIC_LIBLDB_MODULES \
-	LDAP_INIT \
-	SQLITE3_INIT \
-	ldb_tdb_init, 	\
-	ldb_operational_init,	\
-	ldb_rdn_name_init,	\
-	ldb_paged_results_init,	\
-	ldb_sort_init,		\
-	ldb_asq_init, \
-	NULL
-#endif
-
-int ldb_global_init(void)
-{
-	int (*static_init_fns[])(void) = { STATIC_LIBLDB_MODULES };
-
-	static int initialized = 0;
-	int ret = 0, i;
-
-	if (initialized) 
-		return 0;
-
-	initialized = 1;
-	
-	for (i = 0; static_init_fns[i]; i++) {
-		if (static_init_fns[i]() == -1)
-			ret = -1;
-	}
-
-	return ret;
-}
 
 int ldb_register_module(const struct ldb_module_ops *ops)
 {
@@ -256,8 +232,13 @@ int ldb_load_modules_list(struct ldb_context *ldb, const char **module_list, str
 		}
 
 		if (ops == NULL) {
-			ops = ldb_dso_load_symbol(ldb, module_list[i], 
-						      "ldb_module_ops");
+			char *symbol_name = talloc_asprintf(ldb, "ldb_%s_module_ops", 
+												module_list[i]);
+			if (symbol_name == NULL) {
+				return LDB_ERR_OPERATIONS_ERROR;
+			}
+			ops = ldb_dso_load_symbol(ldb, module_list[i], symbol_name);
+			talloc_free(symbol_name);
 		}
 		
 		if (ops == NULL) {