diff options
Diffstat (limited to 'source3/lib/ldb/common/ldb.c')
| -rw-r--r-- | source3/lib/ldb/common/ldb.c | 1136 |
1 files changed, 0 insertions, 1136 deletions
diff --git a/source3/lib/ldb/common/ldb.c b/source3/lib/ldb/common/ldb.c deleted file mode 100644 index 791c1863d7..0000000000 --- a/source3/lib/ldb/common/ldb.c +++ /dev/null @@ -1,1136 +0,0 @@ -/* - ldb database library - - Copyright (C) Andrew Tridgell 2004 - Copyright (C) Simo Sorce 2005-2006 - - ** 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 core API - * - * Description: core API routines interfacing to ldb backends - * - * Author: Andrew Tridgell - */ - -#include "includes.h" -#include "ldb/include/includes.h" - -/* - initialise a ldb context - The mem_ctx is optional -*/ -struct ldb_context *ldb_init(void *mem_ctx, struct tevent_context *tev_ctx) -{ - struct ldb_context *ldb = talloc_zero(mem_ctx, struct ldb_context); - int ret; - - ret = ldb_setup_wellknown_attributes(ldb); - if (ret != 0) { - talloc_free(ldb); - return NULL; - } - - ldb_set_utf8_default(ldb); - ldb_set_create_perms(ldb, 0600); - - return ldb; -} - -static struct ldb_backend { - const char *name; - ldb_connect_fn connect_fn; - struct ldb_backend *prev, *next; -} *ldb_backends = NULL; - - -static ldb_connect_fn ldb_find_backend(const char *url) -{ - struct ldb_backend *backend; - - for (backend = ldb_backends; backend; backend = backend->next) { - if (strncmp(backend->name, url, strlen(backend->name)) == 0) { - return backend->connect_fn; - } - } - - return NULL; -} - -/* - register a new ldb backend -*/ -int ldb_register_backend(const char *url_prefix, ldb_connect_fn connectfn) -{ - struct ldb_backend *backend = talloc(talloc_autofree_context(), struct ldb_backend); - - if (ldb_find_backend(url_prefix)) { - return LDB_SUCCESS; - } - - /* Maybe check for duplicity here later on? */ - - backend->name = talloc_strdup(backend, url_prefix); - backend->connect_fn = connectfn; - DLIST_ADD(ldb_backends, backend); - - return LDB_SUCCESS; -} - -/* - Return the ldb module form of a database. The URL can either be one of the following forms - ldb://path - ldapi://path - - flags is made up of LDB_FLG_* - - 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. -*/ -int ldb_connect_backend(struct ldb_context *ldb, const char *url, const char *options[], - struct ldb_module **backend_module) -{ - int ret; - char *backend; - ldb_connect_fn fn; - - if (strchr(url, ':') != NULL) { - backend = talloc_strndup(ldb, url, strchr(url, ':')-url); - } else { - /* Default to tdb */ - backend = talloc_strdup(ldb, "tdb"); - } - - fn = ldb_find_backend(backend); - - if (fn == NULL) { - if (ldb_try_load_dso(ldb, backend) == 0) { - fn = ldb_find_backend(backend); - } - } - - talloc_free(backend); - - if (fn == NULL) { - 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); - return ret; - } - return ret; -} - -/* - try to autodetect a basedn if none specified. This fixes one of my - 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) -{ - 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; - } - - tmp_ctx = talloc_new(ldb); - ret = ldb_search(ldb, ldb, &res, ldb_dn_new(tmp_ctx, ldb, NULL), LDB_SCOPE_BASE, - attrs, "(objectClass=*)"); - 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); - } - talloc_free(res); - } - - talloc_free(tmp_ctx); - return basedn; -} - -const struct ldb_dn *ldb_get_default_basedn(struct ldb_context *ldb) -{ - return (const struct ldb_dn *)ldb_get_opaque(ldb, "default_baseDN"); -} - -/* - connect to a database. The URL can either be one of the following forms - ldb://path - ldapi://path - - flags is made up of LDB_FLG_* - - 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 ret; - - ldb->flags = flags; - - ret = ldb_connect_backend(ldb, url, options, &ldb->modules); - if (ret != LDB_SUCCESS) { - return ret; - } - - if (ldb_load_modules(ldb, options) != LDB_SUCCESS) { - ldb_debug(ldb, LDB_DEBUG_FATAL, "Unable to load modules for %s: %s\n", - url, ldb_errstring(ldb)); - return LDB_ERR_OTHER; - } - - /* TODO: get timeout from options if available there */ - ldb->default_timeout = 300; /* set default to 5 minutes */ - - /* set the default base dn */ - ldb_set_default_basedn(ldb); - - return LDB_SUCCESS; -} - -void ldb_set_errstring(struct ldb_context *ldb, const char *err_string) -{ - if (ldb->err_string) { - talloc_free(ldb->err_string); - } - ldb->err_string = talloc_strdup(ldb, err_string); -} - -void ldb_asprintf_errstring(struct ldb_context *ldb, const char *format, ...) -{ - va_list ap; - - if (ldb->err_string) { - talloc_free(ldb->err_string); - } - - va_start(ap, format); - ldb->err_string = talloc_vasprintf(ldb, format, ap); - va_end(ap); -} - -void ldb_reset_err_string(struct ldb_context *ldb) -{ - if (ldb->err_string) { - talloc_free(ldb->err_string); - ldb->err_string = NULL; - } -} - -#define FIRST_OP(ldb, op) do { \ - module = ldb->modules; \ - while (module && module->ops->op == NULL) module = module->next; \ - if (module == NULL) { \ - ldb_asprintf_errstring(ldb, "unable to find module or backend to handle operation: " #op); \ - return LDB_ERR_OPERATIONS_ERROR; \ - } \ -} while (0) - -/* - start a transaction -*/ -static int ldb_transaction_start_internal(struct ldb_context *ldb) -{ - struct ldb_module *module; - int status; - FIRST_OP(ldb, start_transaction); - - ldb_reset_err_string(ldb); - - status = module->ops->start_transaction(module); - if (status != LDB_SUCCESS) { - 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); - } - } - return status; -} - -/* - commit a transaction -*/ -static int ldb_transaction_commit_internal(struct ldb_context *ldb) -{ - struct ldb_module *module; - int status; - FIRST_OP(ldb, end_transaction); - - ldb_reset_err_string(ldb); - - status = module->ops->end_transaction(module); - 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); - } - } - return status; -} - -/* - cancel a transaction -*/ -static int ldb_transaction_cancel_internal(struct ldb_context *ldb) -{ - struct ldb_module *module; - int status; - FIRST_OP(ldb, del_transaction); - - status = module->ops->del_transaction(module); - 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); - } - } - return status; -} - -int ldb_transaction_start(struct ldb_context *ldb) -{ - /* disable autotransactions */ - ldb->transaction_active++; - - return ldb_transaction_start_internal(ldb); -} - -int ldb_transaction_commit(struct ldb_context *ldb) -{ - /* renable autotransactions (when we reach 0) */ - if (ldb->transaction_active > 0) - ldb->transaction_active--; - - return ldb_transaction_commit_internal(ldb); -} - -int ldb_transaction_cancel(struct ldb_context *ldb) -{ - /* renable autotransactions (when we reach 0) */ - if (ldb->transaction_active > 0) - ldb->transaction_active--; - - return ldb_transaction_cancel_internal(ldb); -} - -static int ldb_autotransaction_start(struct ldb_context *ldb) -{ - /* explicit transaction active, ignore autotransaction request */ - if (ldb->transaction_active) - return LDB_SUCCESS; - - return ldb_transaction_start_internal(ldb); -} - -static int ldb_autotransaction_commit(struct ldb_context *ldb) -{ - /* explicit transaction active, ignore autotransaction request */ - if (ldb->transaction_active) - return LDB_SUCCESS; - - return ldb_transaction_commit_internal(ldb); -} - -static int ldb_autotransaction_cancel(struct ldb_context *ldb) -{ - /* explicit transaction active, ignore autotransaction request */ - if (ldb->transaction_active) - return LDB_SUCCESS; - - return ldb_transaction_cancel_internal(ldb); -} - -/* autostarts a transacion if none active */ -static int ldb_autotransaction_request(struct ldb_context *ldb, struct ldb_request *req) -{ - int ret; - - ret = ldb_autotransaction_start(ldb); - 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) { - return ldb_autotransaction_commit(ldb); - } - ldb_autotransaction_cancel(ldb); - - if (ldb->err_string == NULL) { - /* no error string was setup by the backend */ - ldb_asprintf_errstring(ldb, "%s (%d)", ldb_strerror(ret), ret); - } - - return ret; -} - -int ldb_wait(struct ldb_handle *handle, enum ldb_wait_type type) -{ - if (!handle) { - return LDB_SUCCESS; - } - - return handle->module->ops->wait(handle, type); -} - -/* 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) -{ - if (req == NULL) return LDB_ERR_OPERATIONS_ERROR; - - if (timeout != 0) { - req->timeout = timeout; - } else { - req->timeout = ldb->default_timeout; - } - req->starttime = time(NULL); - - return LDB_SUCCESS; -} - -/* 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) -{ - time_t now; - - if (newreq == NULL) return LDB_ERR_OPERATIONS_ERROR; - - now = time(NULL); - - if (oldreq == NULL) - return ldb_set_timeout(ldb, newreq, 0); - - if ((now - oldreq->starttime) > oldreq->timeout) { - return LDB_ERR_TIME_LIMIT_EXCEEDED; - } - newreq->starttime = oldreq->starttime; - newreq->timeout = oldreq->timeout - (now - oldreq->starttime); - - return LDB_SUCCESS; -} - - -/* - set the permissions for new files to be passed to open() in - backends that use local files - */ -void ldb_set_create_perms(struct ldb_context *ldb, unsigned int perms) -{ - ldb->create_perms = perms; -} - -/* - start an ldb request - NOTE: the request must be a talloc context. - returns LDB_ERR_* on errors. -*/ -int ldb_request(struct ldb_context *ldb, struct ldb_request *req) -{ - struct ldb_module *module; - int ret; - - ldb_reset_err_string(ldb); - - /* call the first module in the chain */ - switch (req->operation) { - case LDB_SEARCH: - FIRST_OP(ldb, search); - ret = module->ops->search(module, req); - break; - case LDB_ADD: - FIRST_OP(ldb, add); - ret = module->ops->add(module, req); - break; - case LDB_MODIFY: - FIRST_OP(ldb, modify); - ret = module->ops->modify(module, req); - break; - case LDB_DELETE: - FIRST_OP(ldb, del); - ret = module->ops->del(module, req); - break; - case LDB_RENAME: - FIRST_OP(ldb, rename); - ret = module->ops->rename(module, req); - break; - case LDB_SEQUENCE_NUMBER: - FIRST_OP(ldb, sequence_number); - ret = module->ops->sequence_number(module, req); - break; - default: - FIRST_OP(ldb, request); - ret = module->ops->request(module, req); - break; - } - - return ret; -} - -/* - search the database given a LDAP-like search expression - - returns an LDB error code - - 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) -{ - 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); - - 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); - if (! res->msgs) { - goto error; - } - - res->msgs[res->count + 1] = NULL; - - res->msgs[res->count] = talloc_move(res->msgs, &ares->message); - res->count++; - break; - case LDB_REPLY_REFERRAL: - if (res->refs) { - for (n = 0; res->refs[n]; n++) /*noop*/ ; - } else { - n = 0; - } - - res->refs = talloc_realloc(res, res->refs, char *, n + 2); - if (! res->refs) { - goto error; - } - - res->refs[n] = talloc_move(res->refs, &ares->referral); - res->refs[n + 1] = NULL; - case LDB_REPLY_EXTENDED: - case LDB_REPLY_DONE: - /* TODO: we should really support controls on entries and referrals too! */ - 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_search_req(struct ldb_request **ret_req, - struct ldb_context *ldb, - void *mem_ctx, - const struct ldb_dn *base, - enum ldb_scope scope, - const char *expression, - const char * const *attrs, - 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_SEARCH; - if (base == NULL) { - req->op.search.base = ldb_dn_new(req, ldb, NULL); - } else { - req->op.search.base = base; - } - req->op.search.scope = scope; - - req->op.search.tree = ldb_parse_tree(req, expression); - if (req->op.search.tree == NULL) { - ldb_set_errstring(ldb, "Unable to parse search expression"); - talloc_free(req); - return LDB_ERR_OPERATIONS_ERROR; - } - - req->op.search.attrs = attrs; - req->controls = controls; - req->context = context; - req->callback = callback; - - *ret_req = req; - return LDB_SUCCESS; -} - -int ldb_build_add_req(struct ldb_request **ret_req, - struct ldb_context *ldb, - void *mem_ctx, - const struct ldb_message *message, - 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_ADD; - req->op.add.message = message; - req->controls = controls; - req->context = context; - req->callback = callback; - - *ret_req = req; - - return LDB_SUCCESS; -} - -int ldb_build_mod_req(struct ldb_request **ret_req, - struct ldb_context *ldb, - void *mem_ctx, - const struct ldb_message *message, - 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_MODIFY; - req->op.mod.message = message; - req->controls = controls; - req->context = context; - req->callback = callback; - - *ret_req = req; - - return LDB_SUCCESS; -} - -int ldb_build_del_req(struct ldb_request **ret_req, - struct ldb_context *ldb, - void *mem_ctx, - const struct ldb_dn *dn, - 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_DELETE; - req->op.del.dn = dn; - req->controls = controls; - req->context = context; - req->callback = callback; - - *ret_req = req; - - return LDB_SUCCESS; -} - -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_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_RENAME; - req->op.rename.olddn = olddn; - req->op.rename.newdn = newdn; - req->controls = controls; - req->context = context; - req->callback = callback; - - *ret_req = req; - - return LDB_SUCCESS; -} - -/* - note that ldb_search() will automatically replace a NULL 'base' value with the - defaultNamingContext from the rootDSE if available. -*/ -static int _ldb_search(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, - struct ldb_result **_res, - const struct ldb_dn *base, - enum ldb_scope scope, - const char * const *attrs, - const char *expression) -{ - struct ldb_request *req; - int ret; - struct ldb_result *res; - - *_res = NULL; - - res = talloc_zero(mem_ctx, struct ldb_result); - if (!res) { - return LDB_ERR_OPERATIONS_ERROR; - } - - ret = ldb_build_search_req(&req, ldb, mem_ctx, - base?base:ldb_get_default_basedn(ldb), - scope, - expression, - attrs, - NULL, - res, - ldb_search_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 = NULL; - } - - *_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(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; - - expression = NULL; - res = NULL; - *result = NULL; - - if (exp_fmt) { - 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, ldb, &res, base, scope, attrs, expression); - - if (ret == LDB_SUCCESS) { - talloc_steal(mem_ctx, res); - *result = res; - } else { - talloc_free(res); - } - - talloc_free(expression); - - return ret; -} - -/* - 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, - const struct ldb_message *message) -{ - struct ldb_request *req; - int ret; - - ret = ldb_msg_sanity_check(ldb, message); - if (ret != LDB_SUCCESS) { - return ret; - } - - ret = ldb_build_add_req(&req, ldb, ldb, - message, - NULL, - NULL, - NULL); - - if (ret != LDB_SUCCESS) return ret; - - ldb_set_timeout(ldb, req, 0); /* use default timeout */ - - /* do request and autostart a transaction */ - ret = ldb_autotransaction_request(ldb, req); - - talloc_free(req); - return ret; -} - -/* - modify the specified attributes of a record -*/ -int ldb_modify(struct ldb_context *ldb, - const struct ldb_message *message) -{ - struct ldb_request *req; - int ret; - - ret = ldb_msg_sanity_check(ldb, message); - if (ret != LDB_SUCCESS) { - return ret; - } - - ret = ldb_build_mod_req(&req, ldb, ldb, - message, - NULL, - NULL, - NULL); - - if (ret != LDB_SUCCESS) return ret; - - ldb_set_timeout(ldb, req, 0); /* use default timeout */ - - /* do request and autostart a transaction */ - ret = ldb_autotransaction_request(ldb, req); - - talloc_free(req); - return ret; -} - - -/* - delete a record from the database -*/ -int ldb_delete(struct ldb_context *ldb, const struct ldb_dn *dn) -{ - struct ldb_request *req; - int ret; - - ret = ldb_build_del_req(&req, ldb, ldb, - dn, - NULL, - NULL, - NULL); - - if (ret != LDB_SUCCESS) return ret; - - ldb_set_timeout(ldb, req, 0); /* use default timeout */ - - /* do request and autostart a transaction */ - ret = ldb_autotransaction_request(ldb, req); - - talloc_free(req); - return ret; -} - -/* - rename a record in the database -*/ -int ldb_rename(struct ldb_context *ldb, const struct ldb_dn *olddn, const struct ldb_dn *newdn) -{ - struct ldb_request *req; - int ret; - - ret = ldb_build_rename_req(&req, ldb, ldb, - olddn, - newdn, - NULL, - NULL, - NULL); - - if (ret != LDB_SUCCESS) return ret; - - ldb_set_timeout(ldb, req, 0); /* use default timeout */ - - /* do request and autostart a transaction */ - ret = ldb_autotransaction_request(ldb, req); - - talloc_free(req); - return ret; -} - - -/* - return the global sequence number -*/ -int ldb_sequence_number(struct ldb_context *ldb, enum ldb_sequence_type type, uint64_t *seq_num) -{ - struct ldb_request *req; - int ret; - - req = talloc(ldb, struct ldb_request); - if (req == NULL) { - ldb_set_errstring(ldb, "Out of Memory"); - return LDB_ERR_OPERATIONS_ERROR; - } - - req->operation = LDB_SEQUENCE_NUMBER; - req->controls = NULL; - req->context = NULL; - req->callback = NULL; - ldb_set_timeout(ldb, req, 0); /* use default timeout */ - - 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; - } - - talloc_free(req); - return ret; -} - - - -/* - return extended error information -*/ -const char *ldb_errstring(struct ldb_context *ldb) -{ - if (ldb->err_string) { - return ldb->err_string; - } - - return NULL; -} - -/* - return a string explaining what a ldb error constant meancs -*/ -const char *ldb_strerror(int ldb_err) -{ - switch (ldb_err) { - case LDB_SUCCESS: - return "Success"; - case LDB_ERR_OPERATIONS_ERROR: - return "Operations error"; - case LDB_ERR_PROTOCOL_ERROR: - return "Protocol error"; - case LDB_ERR_TIME_LIMIT_EXCEEDED: - return "Time limit exceeded"; - case LDB_ERR_SIZE_LIMIT_EXCEEDED: - return "Size limit exceeded"; - case LDB_ERR_COMPARE_FALSE: - return "Compare false"; - case LDB_ERR_COMPARE_TRUE: - return "Compare true"; - case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED: - return "Auth method not supported"; - case LDB_ERR_STRONG_AUTH_REQUIRED: - return "Strong auth required"; -/* 9 RESERVED */ - case LDB_ERR_REFERRAL: - return "Referral error"; - case LDB_ERR_ADMIN_LIMIT_EXCEEDED: - return "Admin limit exceeded"; - case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION: - return "Unsupported critical extension"; - case LDB_ERR_CONFIDENTIALITY_REQUIRED: - return "Confidentiality required"; - case LDB_ERR_SASL_BIND_IN_PROGRESS: - return "SASL bind in progress"; - case LDB_ERR_NO_SUCH_ATTRIBUTE: - return "No such attribute"; - case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE: - return "Undefined attribute type"; - case LDB_ERR_INAPPROPRIATE_MATCHING: - return "Inappropriate matching"; - case LDB_ERR_CONSTRAINT_VIOLATION: - return "Constraint violation"; - case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS: - return "Attribute or value exists"; - case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX: - return "Invalid attribute syntax"; -/* 22-31 unused */ - case LDB_ERR_NO_SUCH_OBJECT: - return "No such object"; - case LDB_ERR_ALIAS_PROBLEM: - return "Alias problem"; - case LDB_ERR_INVALID_DN_SYNTAX: - return "Invalid DN syntax"; -/* 35 RESERVED */ - case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM: - return "Alias dereferencing problem"; -/* 37-47 unused */ - case LDB_ERR_INAPPROPRIATE_AUTHENTICATION: - return "Inappropriate authentication"; - case LDB_ERR_INVALID_CREDENTIALS: - return "Invalid credentials"; - case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS: - return "insufficient access rights"; - case LDB_ERR_BUSY: - return "Busy"; - case LDB_ERR_UNAVAILABLE: - return "Unavailable"; - case LDB_ERR_UNWILLING_TO_PERFORM: - return "Unwilling to perform"; - case LDB_ERR_LOOP_DETECT: - return "Loop detect"; -/* 55-63 unused */ - case LDB_ERR_NAMING_VIOLATION: - return "Naming violation"; - case LDB_ERR_OBJECT_CLASS_VIOLATION: - return "Object class violation"; - case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF: - return "Not allowed on non-leaf"; - case LDB_ERR_NOT_ALLOWED_ON_RDN: - return "Not allowed on RDN"; - case LDB_ERR_ENTRY_ALREADY_EXISTS: - return "Entry already exists"; - case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED: - return "Object class mods prohibited"; -/* 70 RESERVED FOR CLDAP */ - case LDB_ERR_AFFECTS_MULTIPLE_DSAS: - return "Affects multiple DSAs"; -/* 72-79 unused */ - case LDB_ERR_OTHER: - return "Other"; - } - - return "Unknown error"; -} - -/* - set backend specific opaque parameters -*/ -int ldb_set_opaque(struct ldb_context *ldb, const char *name, void *value) -{ - struct ldb_opaque *o; - - /* allow updating an existing value */ - for (o=ldb->opaque;o;o=o->next) { - if (strcmp(o->name, name) == 0) { - o->value = value; - return LDB_SUCCESS; - } - } - - o = talloc(ldb, struct ldb_opaque); - if (o == NULL) { - ldb_oom(ldb); - return LDB_ERR_OTHER; - } - o->next = ldb->opaque; - o->name = name; - o->value = value; - ldb->opaque = o; - return LDB_SUCCESS; -} - -/* - get a previously set opaque value -*/ -void *ldb_get_opaque(struct ldb_context *ldb, const char *name) -{ - struct ldb_opaque *o; - for (o=ldb->opaque;o;o=o->next) { - if (strcmp(o->name, name) == 0) { - return o->value; - } - } - return NULL; -} |