1 files changed, 0 insertions, 459 deletions

diff --git a/source3/lib/ldb/common/ldb_modules.c b/source3/lib/ldb/common/ldb_modules.c
deleted file mode 100644
index 8699cd8b95..0000000000
--- a/source3/lib/ldb/common/ldb_modules.c
+++ /dev/null
@@ -1,459 +0,0 @@
-
-/* 
-   ldb database library
-
-   Copyright (C) Simo Sorce  2004
-
-     ** NOTE! The following LGPL license applies to the ldb
-     ** library. This does NOT imply that all of Samba is released
-     ** under the LGPL
-   
-   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 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
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   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, see <http://www.gnu.org/licenses/>.
-*/
-
-/*
- *  Name: ldb
- *
- *  Component: ldb modules core
- *
- *  Description: core modules routines
- *
- *  Author: Simo Sorce
- */
-
-#include "includes.h"
-#include "ldb/include/includes.h"
-
-#if (_SAMBA_BUILD_ >= 4)
-#include "build.h"
-#include "dynconfig.h"
-#endif
-
-#define LDB_MODULE_PREFIX	"modules:"
-#define LDB_MODULE_PREFIX_LEN	8
-
-static char *ldb_modules_strdup_no_spaces(TALLOC_CTX *mem_ctx, const char *string)
-{
-	int i, len;
-	char *trimmed;
-
-	trimmed = talloc_strdup(mem_ctx, string);
-	if (!trimmed) {
-		return NULL;
-	}
-
-	len = strlen(trimmed);
-	for (i = 0; trimmed[i] != '\0'; i++) {
-		switch (trimmed[i]) {
-		case ' ':
-		case '\t':
-		case '\n':
-			memmove(&trimmed[i], &trimmed[i + 1], len -i -1);
-			break;
-		}
-	}
-
-	return trimmed;
-}
-
-
-/* modules are called in inverse order on the stack.
-   Lets place them as an admin would think the right order is.
-   Modules order is important */
-const char **ldb_modules_list_from_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *string)
-{
-	char **modules = NULL;
-	const char **m;
-	char *modstr, *p;
-	int i;
-
-	/* spaces not admitted */
-	modstr = ldb_modules_strdup_no_spaces(mem_ctx, string);
-	if ( ! modstr) {
-		ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_strdup_no_spaces()\n");
-		return NULL;
-	}
-
-	modules = talloc_realloc(mem_ctx, modules, char *, 2);
-	if ( ! modules ) {
-		ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_list_from_string()\n");
-		talloc_free(modstr);
-		return NULL;
-	}
-	talloc_steal(modules, modstr);
-
-	i = 0;
-	/* The str*r*chr walks backwards:  This is how we get the inverse order mentioned above */
-	while ((p = strrchr(modstr, ',')) != NULL) {
-		*p = '\0';
-		p++;
-		modules[i] = p;
-
-		i++;
-		modules = talloc_realloc(mem_ctx, modules, char *, i + 2);
-		if ( ! modules ) {
-			ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_list_from_string()\n");
-			return NULL;
-		}
-
-	}
-	modules[i] = modstr;
-
-	modules[i + 1] = NULL;
-
-	m = (const char **)modules;
-
-	return m;
-}
-
-static struct ops_list_entry {
-	const struct ldb_module_ops *ops;
-	struct ops_list_entry *next;	
-} *registered_modules = NULL;
-
-static const struct ldb_module_ops *ldb_find_module_ops(const char *name)
-{
-	struct ops_list_entry *e;
- 
-	for (e = registered_modules; e; e = e->next) {
- 		if (strcmp(e->ops->name, name) == 0) 
-			return e->ops;
-	}
-
-	return NULL;
-}
-
-#ifndef STATIC_ldb_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_ldb_MODULES \
-	{	\
-		LDAP_INIT \
-		SQLITE3_INIT \
-		ldb_tdb_init, 	\
-		ldb_operational_init,	\
-		ldb_rdn_name_init,	\
-		ldb_objectclass_init,	\
-		ldb_paged_results_init,	\
-		ldb_sort_init,		\
-		ldb_asq_init,		\
-		NULL			\
-	}
-#endif
-
-int ldb_global_init(void)
-{
-	static int (*static_init_fns[])(void) = STATIC_ldb_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)
-{
-	struct ops_list_entry *entry = talloc(talloc_autofree_context(), struct ops_list_entry);
-
-	if (ldb_find_module_ops(ops->name) != NULL)
-		return -1;
-
-	if (entry == NULL)
-		return -1;
-
-	entry->ops = ops;
-	entry->next = registered_modules;
-	registered_modules = entry;
-
-	return 0;
-}
-
-int ldb_try_load_dso(struct ldb_context *ldb, const char *name)
-{
-	char *path;
-	void *handle;
-	int (*init_fn) (void);
-	char *modulesdir;
-	int ret;
-
-#ifdef HAVE_DLOPEN
-	if (getenv("LD_LDB_MODULE_PATH") != NULL) {
-		modulesdir = talloc_strdup(ldb, getenv("LD_LDB_MODULE_PATH"));
-	} else {
-#ifdef _SAMBA_BUILD_
-		modulesdir = talloc_asprintf(ldb, "%s/ldb", get_dyn_LIBDIR());
-#else
-		modulesdir = talloc_strdup(ldb, MODULESDIR);
-#endif
-	}
-
-	path = talloc_asprintf(ldb, "%s/%s.%s", modulesdir, name, SHLIBEXT);
-
-	talloc_free(modulesdir);
-
-	ldb_debug(ldb, LDB_DEBUG_TRACE, "trying to load %s from %s\n", name, path);
-
-	handle = dlopen(path, RTLD_NOW);
-	if (handle == NULL) {
-		ldb_debug(ldb, LDB_DEBUG_WARNING, "unable to load %s from %s: %s\n", name, path, dlerror());
-		return -1;
-	}
-
-	init_fn = (int (*)(void))dlsym(handle, "init_samba_module");
-
-	if (init_fn == NULL) {
-		ldb_debug(ldb, LDB_DEBUG_ERROR, "no symbol "
-			  "`init_samba_module' found in %s: %s\n", path,
-			  dlerror());
-		dlclose(handle);
-		return -1;
-	}
-
-	talloc_free(path);
-
-	ret = init_fn();
-	if (ret == -1) {
-		dlclose(handle);
-	}
-	return ret;
-#else
-	ldb_debug(ldb, LDB_DEBUG_TRACE, "no dlopen() - not trying to load %s module\n", name);
-	return -1;
-#endif
-}
-
-int ldb_load_modules_list(struct ldb_context *ldb, const char **module_list, struct ldb_module *backend, struct ldb_module **out)
-{
-	struct ldb_module *module;
-	int i;
-	
-	module = backend;
-
-	for (i = 0; module_list[i] != NULL; i++) {
-		struct ldb_module *current;
-		const struct ldb_module_ops *ops;
-		
-		ops = ldb_find_module_ops(module_list[i]);
-		if (ops == NULL) {
-			if (ldb_try_load_dso(ldb, module_list[i]) == 0) {
-				ops = ldb_find_module_ops(module_list[i]);
-			}
-		}
-		
-		if (ops == NULL) {
-			ldb_debug(ldb, LDB_DEBUG_WARNING, "WARNING: Module [%s] not found\n", 
-				  module_list[i]);
-			continue;
-		}
-		
-		current = talloc_zero(ldb, struct ldb_module);
-		if (current == NULL) {
-			return LDB_ERR_OPERATIONS_ERROR;
-		}
-		talloc_set_name(current, "ldb_module: %s", module_list[i]);
-		
-		current->ldb = ldb;
-		current->ops = ops;
-		
-		DLIST_ADD(module, current);
-	}
-	*out = module;
-	return LDB_SUCCESS;
-}
-
-int ldb_init_module_chain(struct ldb_context *ldb, struct ldb_module *module) 
-{
-	while (module && module->ops->init_context == NULL) 
-		module = module->next;
-
-	if (module && module->ops->init_context &&
-		module->ops->init_context(module) != LDB_SUCCESS) {
-		ldb_debug(ldb, LDB_DEBUG_FATAL, "module initialization failed\n");
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	return LDB_SUCCESS;
-}
-
-int ldb_load_modules(struct ldb_context *ldb, const char *options[])
-{
-	const char **modules = NULL;
-	int i;
-	int ret;
-	TALLOC_CTX *mem_ctx = talloc_new(ldb);
-	if (!mem_ctx) {
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	/* find out which modules we are requested to activate */
-
-	/* check if we have a custom module list passd as ldb option */
-	if (options) {
-		for (i = 0; options[i] != NULL; i++) {
-			if (strncmp(options[i], LDB_MODULE_PREFIX, LDB_MODULE_PREFIX_LEN) == 0) {
-				modules = ldb_modules_list_from_string(ldb, mem_ctx, &options[i][LDB_MODULE_PREFIX_LEN]);
-			}
-		}
-	}
-
-	/* if not overloaded by options and the backend is not ldap try to load the modules list from ldb */
-	if ((modules == NULL) && (strcmp("ldap", ldb->modules->ops->name) != 0)) { 
-		const char * const attrs[] = { "@LIST" , NULL};
-		struct ldb_result *res = NULL;
-		struct ldb_dn *mods_dn;
-
-		mods_dn = ldb_dn_explode(mem_ctx, "@MODULES");
-		if (mods_dn == NULL) {
-			talloc_free(mem_ctx);
-			return -1;
-		}
-
-		ret = ldb_search(ldb, ldb, &res, mods_dn, LDB_SCOPE_BASE, attrs, "");
-		talloc_steal(mods_dn, res);
-		if (ret == LDB_SUCCESS && (res->count == 0 || res->msgs[0]->num_elements == 0)) {
-			ldb_debug(ldb, LDB_DEBUG_TRACE, "no modules required by the db\n");
-		} else {
-			if (ret != LDB_SUCCESS) {
-				ldb_debug(ldb, LDB_DEBUG_FATAL, "ldb error (%s) occurred searching for modules, bailing out\n", ldb_errstring(ldb));
-				talloc_free(mem_ctx);
-				return -1;
-			}
-			if (res->count > 1) {
-				ldb_debug(ldb, LDB_DEBUG_FATAL, "Too many records found (%d), bailing out\n", res->count);
-				talloc_free(mem_ctx);
-				return -1;
-			}
-
-			modules = ldb_modules_list_from_string(ldb, mem_ctx,
-							       (const char *)res->msgs[0]->elements[0].values[0].data);
-
-		}
-
-		talloc_free(mods_dn);
-	}
-
-	if (modules != NULL) {
-		ret = ldb_load_modules_list(ldb, modules, ldb->modules, &ldb->modules);
-		talloc_free(modules);
-		if (ret != LDB_SUCCESS) {
-			return ret;
-		}
-	} else {
-		ldb_debug(ldb, LDB_DEBUG_TRACE, "No modules specified for this database\n");
-	}
-
-	return ldb_init_module_chain(ldb, ldb->modules);
-}
-
-/*
-  by using this we allow ldb modules to only implement the functions they care about,
-  which makes writing a module simpler, and makes it more likely to keep working
-  when ldb is extended
-*/
-#define FIND_OP(module, op) do { \
-	struct ldb_context *ldb = module->ldb; \
-	module = module->next; \
-	while (module && module->ops->op == NULL) module = module->next; \
-	if (module == NULL) { \
-		ldb_asprintf_errstring(ldb, "Unable to find backend operation for " #op ); \
-		return LDB_ERR_OPERATIONS_ERROR;	\
-	}						\
-} while (0)
-
-
-/*
-   helper functions to call the next module in chain
-*/
-
-int ldb_next_request(struct ldb_module *module, struct ldb_request *request)
-{
-	switch (request->operation) {
-	case LDB_SEARCH:
-		FIND_OP(module, search);
-		return module->ops->search(module, request);
-	case LDB_ADD:
-		FIND_OP(module, add);
-		return module->ops->add(module, request);
-	case LDB_MODIFY:
-		FIND_OP(module, modify);
-		return module->ops->modify(module, request);
-	case LDB_DELETE:
-		FIND_OP(module, del);
-		return module->ops->del(module, request);
-	case LDB_RENAME:
-		FIND_OP(module, rename);
-		return module->ops->rename(module, request);
-	case LDB_SEQUENCE_NUMBER:
-		FIND_OP(module, sequence_number);
-		return module->ops->sequence_number(module, request);
-	default:
-		FIND_OP(module, request);
-		return module->ops->request(module, request);
-	}
-}
-
-int ldb_next_init(struct ldb_module *module)
-{
-	/* init is different in that it is not an error if modules
-	 * do not require initialization */
-
-	module = module->next;
-
-	while (module && module->ops->init_context == NULL) 
-		module = module->next;
-
-	if (module == NULL) 
-		return LDB_SUCCESS;
-
-	return module->ops->init_context(module);
-}
-
-int ldb_next_start_trans(struct ldb_module *module)
-{
-	FIND_OP(module, start_transaction);
-	return module->ops->start_transaction(module);
-}
-
-int ldb_next_end_trans(struct ldb_module *module)
-{
-	FIND_OP(module, end_transaction);
-	return module->ops->end_transaction(module);
-}
-
-int ldb_next_del_trans(struct ldb_module *module)
-{
-	FIND_OP(module, del_transaction);
-	return module->ops->del_transaction(module);
-}