diff options
| -rw-r--r-- | source4/lib/ldb/ldb_tdb/ldb_index.c | 61 | ||||
| -rw-r--r-- | source4/lib/ldb/ldb_tdb/ldb_search.c | 129 | ||||
| -rw-r--r-- | source4/lib/ldb/ldb_tdb/ldb_tdb.c | 353 | ||||
| -rw-r--r-- | source4/lib/ldb/ldb_tdb/ldb_tdb.h | 14 |
4 files changed, 242 insertions, 315 deletions
diff --git a/source4/lib/ldb/ldb_tdb/ldb_index.c b/source4/lib/ldb/ldb_tdb/ldb_index.c index 269305a468..65711d9f4b 100644 --- a/source4/lib/ldb/ldb_tdb/ldb_index.c +++ b/source4/lib/ldb/ldb_tdb/ldb_index.c @@ -667,74 +667,58 @@ static int ltdb_index_dn(struct ldb_module *module, extracting just the given attributes */ static int ltdb_index_filter(const struct dn_list *dn_list, - struct ldb_handle *handle) + struct ltdb_context *ac) { - struct ltdb_context *ac = talloc_get_type(handle->private_data, struct ltdb_context); - struct ldb_reply *ares = NULL; + struct ldb_message *msg; unsigned int i; for (i = 0; i < dn_list->count; i++) { struct ldb_dn *dn; int ret; - ares = talloc_zero(ac, struct ldb_reply); - if (!ares) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - handle->state = LDB_ASYNC_DONE; - return LDB_ERR_OPERATIONS_ERROR; - } - - ares->message = ldb_msg_new(ares); - if (!ares->message) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - handle->state = LDB_ASYNC_DONE; - talloc_free(ares); + msg = ldb_msg_new(ac); + if (!msg) { return LDB_ERR_OPERATIONS_ERROR; } - - dn = ldb_dn_new(ares->message, ac->module->ldb, dn_list->dn[i]); + dn = ldb_dn_new(msg, ac->module->ldb, dn_list->dn[i]); if (dn == NULL) { - talloc_free(ares); + talloc_free(msg); return LDB_ERR_OPERATIONS_ERROR; } - ret = ltdb_search_dn1(ac->module, dn, ares->message); + ret = ltdb_search_dn1(ac->module, dn, msg); talloc_free(dn); if (ret == LDB_ERR_NO_SUCH_OBJECT) { /* the record has disappeared? yes, this can happen */ - talloc_free(ares); + talloc_free(msg); continue; } if (ret != LDB_SUCCESS && ret != LDB_ERR_NO_SUCH_OBJECT) { /* an internal error */ - talloc_free(ares); + talloc_free(msg); return LDB_ERR_OPERATIONS_ERROR; } - if (!ldb_match_msg(ac->module->ldb, ares->message, ac->tree, ac->base, ac->scope)) { - talloc_free(ares); + if (!ldb_match_msg(ac->module->ldb, msg, + ac->tree, ac->base, ac->scope)) { + talloc_free(msg); continue; } /* filter the attributes that the user wants */ - ret = ltdb_filter_attrs(ares->message, ac->attrs); + ret = ltdb_filter_attrs(msg, ac->attrs); if (ret == -1) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - handle->state = LDB_ASYNC_DONE; - talloc_free(ares); + talloc_free(msg); return LDB_ERR_OPERATIONS_ERROR; } - ares->type = LDB_REPLY_ENTRY; - handle->state = LDB_ASYNC_PENDING; - handle->status = ac->callback(ac->module->ldb, ac->context, ares); - - if (handle->status != LDB_SUCCESS) { - handle->state = LDB_ASYNC_DONE; - return handle->status; + ret = ldb_module_send_entry(ac->req, msg); + if (ret != LDB_SUCCESS) { + ac->callback_failed = true; + return ret; } } @@ -746,9 +730,8 @@ static int ltdb_index_filter(const struct dn_list *dn_list, returns -1 if an indexed search is not possible, in which case the caller should call ltdb_search_full() */ -int ltdb_search_indexed(struct ldb_handle *handle) +int ltdb_search_indexed(struct ltdb_context *ac) { - struct ltdb_context *ac = talloc_get_type(handle->private_data, struct ltdb_context); struct ltdb_private *ltdb = talloc_get_type(ac->module->private_data, struct ltdb_private); struct dn_list *dn_list; int ret, idxattr, idxone; @@ -773,7 +756,7 @@ int ltdb_search_indexed(struct ldb_handle *handle) ret = LDB_ERR_OPERATIONS_ERROR; - dn_list = talloc_zero(handle, struct dn_list); + dn_list = talloc_zero(ac, struct dn_list); if (dn_list == NULL) { return LDB_ERR_OPERATIONS_ERROR; } @@ -810,9 +793,7 @@ int ltdb_search_indexed(struct ldb_handle *handle) if (ret == LDB_SUCCESS) { /* we've got a candidate list - now filter by the full tree and extract the needed attributes */ - ret = ltdb_index_filter(dn_list, handle); - handle->status = ret; - handle->state = LDB_ASYNC_DONE; + ret = ltdb_index_filter(dn_list, ac); } talloc_free(dn_list); diff --git a/source4/lib/ldb/ldb_tdb/ldb_search.c b/source4/lib/ldb/ldb_tdb/ldb_search.c index da899c361e..a220b4a628 100644 --- a/source4/lib/ldb/ldb_tdb/ldb_search.c +++ b/source4/lib/ldb/ldb_tdb/ldb_search.c @@ -395,71 +395,57 @@ int ltdb_filter_attrs(struct ldb_message *msg, const char * const *attrs) */ static int search_func(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data, void *state) { - struct ldb_handle *handle = talloc_get_type(state, struct ldb_handle); - struct ltdb_context *ac = talloc_get_type(handle->private_data, struct ltdb_context); - struct ldb_reply *ares = NULL; + struct ltdb_context *ac; + struct ldb_message *msg; int ret; + ac = talloc_get_type(state, struct ltdb_context); + if (key.dsize < 4 || strncmp((char *)key.dptr, "DN=", 3) != 0) { return 0; } - ares = talloc_zero(ac, struct ldb_reply); - if (!ares) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - handle->state = LDB_ASYNC_DONE; - return -1; - } - - ares->message = ldb_msg_new(ares); - if (!ares->message) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - handle->state = LDB_ASYNC_DONE; - talloc_free(ares); + msg = ldb_msg_new(ac); + if (!msg) { return -1; } /* unpack the record */ - ret = ltdb_unpack_data(ac->module, &data, ares->message); + ret = ltdb_unpack_data(ac->module, &data, msg); if (ret == -1) { - talloc_free(ares); + talloc_free(msg); return -1; } - if (!ares->message->dn) { - ares->message->dn = ldb_dn_new(ares->message, ac->module->ldb, (char *)key.dptr + 3); - if (ares->message->dn == NULL) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - handle->state = LDB_ASYNC_DONE; - talloc_free(ares); + if (!msg->dn) { + msg->dn = ldb_dn_new(msg, ac->module->ldb, + (char *)key.dptr + 3); + if (msg->dn == NULL) { + talloc_free(msg); return -1; } } /* see if it matches the given expression */ - if (!ldb_match_msg(ac->module->ldb, ares->message, ac->tree, - ac->base, ac->scope)) { - talloc_free(ares); + if (!ldb_match_msg(ac->module->ldb, msg, + ac->tree, ac->base, ac->scope)) { + talloc_free(msg); return 0; } /* filter the attributes that the user wants */ - ret = ltdb_filter_attrs(ares->message, ac->attrs); + ret = ltdb_filter_attrs(msg, ac->attrs); if (ret == -1) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - handle->state = LDB_ASYNC_DONE; - talloc_free(ares); + talloc_free(msg); return -1; } - ares->type = LDB_REPLY_ENTRY; - handle->state = LDB_ASYNC_PENDING; - handle->status = ac->callback(ac->module->ldb, ac->context, ares); - - if (handle->status != LDB_SUCCESS) { - /* don't try to free ares here, the callback is in charge of that */ + ret = ldb_module_send_entry(ac->req, msg); + if (ret != LDB_SUCCESS) { + ac->callback_failed = true; + /* the callback failed, abort the operation */ return -1; } @@ -471,23 +457,21 @@ static int search_func(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data, voi search the database with a LDAP-like expression. this is the "full search" non-indexed variant */ -static int ltdb_search_full(struct ldb_handle *handle) +static int ltdb_search_full(struct ltdb_context *ctx) { - struct ltdb_context *ac = talloc_get_type(handle->private_data, struct ltdb_context); - struct ltdb_private *ltdb = talloc_get_type(ac->module->private_data, struct ltdb_private); + struct ltdb_private *ltdb = talloc_get_type(ctx->module->private_data, struct ltdb_private); int ret; if (ltdb->in_transaction != 0) { - ret = tdb_traverse(ltdb->tdb, search_func, handle); + ret = tdb_traverse(ltdb->tdb, search_func, ctx); } else { - ret = tdb_traverse_read(ltdb->tdb, search_func, handle); + ret = tdb_traverse_read(ltdb->tdb, search_func, ctx); } if (ret == -1) { - handle->status = LDB_ERR_OPERATIONS_ERROR; + return LDB_ERR_OPERATIONS_ERROR; } - handle->state = LDB_ASYNC_DONE; return LDB_SUCCESS; } @@ -495,13 +479,15 @@ static int ltdb_search_full(struct ldb_handle *handle) search the database with a LDAP-like expression. choses a search method */ -int ltdb_search(struct ldb_module *module, struct ldb_request *req) +int ltdb_search(struct ltdb_context *ctx) { + struct ldb_module *module = ctx->module; + struct ldb_request *req = ctx->req; struct ltdb_private *ltdb = talloc_get_type(module->private_data, struct ltdb_private); - struct ltdb_context *ltdb_ac; - struct ldb_reply *ares; int ret; + req->handle->state = LDB_ASYNC_PENDING; + if (ltdb_lock_read(module) != 0) { return LDB_ERR_OPERATIONS_ERROR; } @@ -516,12 +502,6 @@ int ltdb_search(struct ldb_module *module, struct ldb_request *req) return LDB_ERR_OPERATIONS_ERROR; } - req->handle = init_ltdb_handle(ltdb, module, req); - if (req->handle == NULL) { - ltdb_unlock_read(module); - return LDB_ERR_OPERATIONS_ERROR; - } - if ((req->op.search.base == NULL) || (ldb_dn_is_null(req->op.search.base) == true)) { /* Check what we should do with a NULL dn */ @@ -564,53 +544,32 @@ int ltdb_search(struct ldb_module *module, struct ldb_request *req) ret = LDB_SUCCESS; } - ltdb_ac = talloc_get_type(req->handle->private_data, struct ltdb_context); - - ltdb_ac->tree = req->op.search.tree; - ltdb_ac->scope = req->op.search.scope; - ltdb_ac->base = req->op.search.base; - ltdb_ac->attrs = req->op.search.attrs; - + ctx->tree = req->op.search.tree; + ctx->scope = req->op.search.scope; + ctx->base = req->op.search.base; + ctx->attrs = req->op.search.attrs; if (ret == LDB_SUCCESS) { - ret = ltdb_search_indexed(req->handle); + ret = ltdb_search_indexed(ctx); if (ret == LDB_ERR_NO_SUCH_OBJECT) { /* Not in the index, therefore OK! */ ret = LDB_SUCCESS; - } else if (ret == LDB_ERR_OPERATIONS_ERROR) { + } + /* Check if we got just a normal error. + * In that case proceed to a full search unless we got a + * callback error */ + if ( ! ctx->callback_failed && ret != LDB_SUCCESS) { /* Not indexed, so we need to do a full scan */ - ret = ltdb_search_full(req->handle); + ret = ltdb_search_full(ctx); if (ret != LDB_SUCCESS) { ldb_set_errstring(module->ldb, "Indexed and full searches both failed!\n"); } } } - if (ret != LDB_SUCCESS) { - req->handle->state = LDB_ASYNC_DONE; - req->handle->status = ret; - } - - /* Finally send an LDB_REPLY_DONE packet when searching is finished */ - - ares = talloc_zero(req, struct ldb_reply); - if (!ares) { - ltdb_unlock_read(module); - return LDB_ERR_OPERATIONS_ERROR; - } - - req->handle->state = LDB_ASYNC_DONE; - - if (ret == LDB_SUCCESS) { - ares->type = LDB_REPLY_DONE; - - ret = req->callback(module->ldb, req->context, ares); - req->handle->status = ret; - } - ltdb_unlock_read(module); - return LDB_SUCCESS; + return ret; } diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb.c b/source4/lib/ldb/ldb_tdb/ldb_tdb.c index 01d570c89a..0087f6c44d 100644 --- a/source4/lib/ldb/ldb_tdb/ldb_tdb.c +++ b/source4/lib/ldb/ldb_tdb/ldb_tdb.c @@ -3,7 +3,7 @@ Copyright (C) Andrew Tridgell 2004 Copyright (C) Stefan Metzmacher 2004 - Copyright (C) Simo Sorce 2006 + Copyright (C) Simo Sorce 2006-2008 ** NOTE! The following LGPL license applies to the ldb @@ -39,6 +39,10 @@ * - description: make the module use asyncronous calls * date: Feb 2006 * Author: Simo Sorce + * + * - description: make it possible to use event contexts + * date: Jan 2008 + * Author: Simo Sorce */ #include "ldb_includes.h" @@ -76,40 +80,6 @@ static int ltdb_err_map(enum TDB_ERROR tdb_code) } -struct ldb_handle *init_ltdb_handle(struct ltdb_private *ltdb, - struct ldb_module *module, - struct ldb_request *req) -{ - struct ltdb_context *ac; - struct ldb_handle *h; - - h = talloc_zero(req, struct ldb_handle); - if (h == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - return NULL; - } - - h->module = module; - - ac = talloc_zero(h, struct ltdb_context); - if (ac == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - talloc_free(h); - return NULL; - } - - h->private_data = (void *)ac; - - h->state = LDB_ASYNC_INIT; - h->status = LDB_SUCCESS; - - ac->module = module; - ac->context = req->context; - ac->callback = req->callback; - - return h; -} - /* form a TDB_DATA for a record key caller frees @@ -296,36 +266,20 @@ static int ltdb_add_internal(struct ldb_module *module, /* add a record to the database */ -static int ltdb_add(struct ldb_module *module, struct ldb_request *req) +static int ltdb_add(struct ltdb_context *ctx) { - struct ltdb_private *ltdb; - struct ltdb_context *ltdb_ac; - int tret, ret = LDB_SUCCESS; - - ltdb = talloc_get_type(module->private_data, struct ltdb_private); - - if (check_critical_controls(req->controls)) { - return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION; - } + struct ldb_module *module = ctx->module; + struct ldb_request *req = ctx->req; + int tret; - req->handle = init_ltdb_handle(ltdb, module, req); - if (req->handle == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - ltdb_ac = talloc_get_type(req->handle->private_data, struct ltdb_context); + req->handle->state = LDB_ASYNC_PENDING; tret = ltdb_add_internal(module, req->op.add.message); if (tret != LDB_SUCCESS) { - req->handle->status = tret; - goto done; + return tret; } - if (ltdb_ac->callback) { - ret = ltdb_ac->callback(module->ldb, ltdb_ac->context, NULL); - } -done: - req->handle->state = LDB_ASYNC_DONE; - return ret; + return LDB_SUCCESS; } /* @@ -402,42 +356,24 @@ done: /* delete a record from the database */ -static int ltdb_delete(struct ldb_module *module, struct ldb_request *req) +static int ltdb_delete(struct ltdb_context *ctx) { - struct ltdb_private *ltdb; - struct ltdb_context *ltdb_ac; - int tret, ret = LDB_SUCCESS; - - ltdb = talloc_get_type(module->private_data, struct ltdb_private); - - if (check_critical_controls(req->controls)) { - return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION; - } + struct ldb_module *module = ctx->module; + struct ldb_request *req = ctx->req; + int tret; - req->handle = NULL; + req->handle->state = LDB_ASYNC_PENDING; if (ltdb_cache_load(module) != 0) { return LDB_ERR_OPERATIONS_ERROR; } - req->handle = init_ltdb_handle(ltdb, module, req); - if (req->handle == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - ltdb_ac = talloc_get_type(req->handle->private_data, struct ltdb_context); - tret = ltdb_delete_internal(module, req->op.del.dn); if (tret != LDB_SUCCESS) { - req->handle->status = tret; - goto done; + return tret; } - if (ltdb_ac->callback) { - ret = ltdb_ac->callback(module->ldb, ltdb_ac->context, NULL); - } -done: - req->handle->state = LDB_ASYNC_DONE; - return ret; + return LDB_SUCCESS; } /* @@ -784,83 +720,50 @@ failed: /* modify a record */ -static int ltdb_modify(struct ldb_module *module, struct ldb_request *req) +static int ltdb_modify(struct ltdb_context *ctx) { - struct ltdb_private *ltdb; - struct ltdb_context *ltdb_ac; - int tret, ret = LDB_SUCCESS; - - ltdb = talloc_get_type(module->private_data, struct ltdb_private); - - if (check_critical_controls(req->controls)) { - return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION; - } - - req->handle = NULL; + struct ldb_module *module = ctx->module; + struct ldb_request *req = ctx->req; + int tret; - req->handle = init_ltdb_handle(ltdb, module, req); - if (req->handle == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - ltdb_ac = talloc_get_type(req->handle->private_data, struct ltdb_context); + req->handle->state = LDB_ASYNC_PENDING; tret = ltdb_check_special_dn(module, req->op.mod.message); if (tret != LDB_SUCCESS) { - req->handle->status = tret; - goto done; + return tret; } if (ltdb_cache_load(module) != 0) { - ret = LDB_ERR_OPERATIONS_ERROR; - goto done; + return LDB_ERR_OPERATIONS_ERROR; } tret = ltdb_modify_internal(module, req->op.mod.message); if (tret != LDB_SUCCESS) { - req->handle->status = tret; - goto done; + return tret; } - if (ltdb_ac->callback) { - ret = ltdb_ac->callback(module->ldb, ltdb_ac->context, NULL); - } -done: - req->handle->state = LDB_ASYNC_DONE; - return ret; + return LDB_SUCCESS; } /* rename a record */ -static int ltdb_rename(struct ldb_module *module, struct ldb_request *req) +static int ltdb_rename(struct ltdb_context *ctx) { - struct ltdb_private *ltdb; - struct ltdb_context *ltdb_ac; + struct ldb_module *module = ctx->module; + struct ldb_request *req = ctx->req; struct ldb_message *msg; - int tret, ret = LDB_SUCCESS; - - ltdb = talloc_get_type(module->private_data, struct ltdb_private); - - if (check_critical_controls(req->controls)) { - return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION; - } - - req->handle = NULL; + int tret; - if (ltdb_cache_load(module) != 0) { - return LDB_ERR_OPERATIONS_ERROR; - } + req->handle->state = LDB_ASYNC_PENDING; - req->handle = init_ltdb_handle(ltdb, module, req); - if (req->handle == NULL) { + if (ltdb_cache_load(ctx->module) != 0) { return LDB_ERR_OPERATIONS_ERROR; } - ltdb_ac = talloc_get_type(req->handle->private_data, struct ltdb_context); - msg = talloc(ltdb_ac, struct ldb_message); + msg = talloc(ctx, struct ldb_message); if (msg == NULL) { - ret = LDB_ERR_OPERATIONS_ERROR; - goto done; + return LDB_ERR_OPERATIONS_ERROR; } /* in case any attribute of the message was indexed, we need @@ -868,14 +771,12 @@ static int ltdb_rename(struct ldb_module *module, struct ldb_request *req) tret = ltdb_search_dn1(module, req->op.rename.olddn, msg); if (tret != LDB_SUCCESS) { /* not finding the old record is an error */ - req->handle->status = tret; - goto done; + return tret; } msg->dn = ldb_dn_copy(msg, req->op.rename.newdn); if (!msg->dn) { - ret = LDB_ERR_OPERATIONS_ERROR; - goto done; + return LDB_ERR_OPERATIONS_ERROR; } if (ldb_dn_compare(req->op.rename.olddn, req->op.rename.newdn) == 0) { @@ -886,38 +787,32 @@ static int ltdb_rename(struct ldb_module *module, struct ldb_request *req) The only drawback to this is that if the delete succeeds but the add fails, we rely on the transaction to roll this all back. */ - ret = ltdb_delete_internal(module, req->op.rename.olddn); - if (ret != LDB_SUCCESS) { - goto done; + tret = ltdb_delete_internal(module, req->op.rename.olddn); + if (tret != LDB_SUCCESS) { + return tret; } - ret = ltdb_add_internal(module, msg); - if (ret != LDB_SUCCESS) { - goto done; + tret = ltdb_add_internal(module, msg); + if (tret != LDB_SUCCESS) { + return tret; } } else { /* The rename operation is changing DNs. Try to add the new DN first to avoid clobbering another DN not related to this rename operation. */ - ret = ltdb_add_internal(module, msg); - if (ret != LDB_SUCCESS) { - goto done; + tret = ltdb_add_internal(module, msg); + if (tret != LDB_SUCCESS) { + return tret; } tret = ltdb_delete_internal(module, req->op.rename.olddn); if (tret != LDB_SUCCESS) { ltdb_delete_internal(module, req->op.rename.newdn); - ret = LDB_ERR_OPERATIONS_ERROR; - goto done; + return LDB_ERR_OPERATIONS_ERROR; } } - if (ltdb_ac->callback) { - ret = ltdb_ac->callback(module->ldb, ltdb_ac->context, NULL); - } -done: - req->handle->state = LDB_ASYNC_DONE; - return ret; + return LDB_SUCCESS; } static int ltdb_start_trans(struct ldb_module *module) @@ -962,24 +857,6 @@ static int ltdb_del_trans(struct ldb_module *module) return LDB_SUCCESS; } -static int ltdb_wait(struct ldb_handle *handle, enum ldb_wait_type type) -{ - return handle->status; -} - -static int ltdb_request(struct ldb_module *module, struct ldb_request *req) -{ - /* check for oustanding critical controls - * and return an error if found */ - if (check_critical_controls(req->controls)) { - return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION; - } - - /* search, add, modify, delete, rename are handled by their own, - * no other op supported */ - return LDB_ERR_OPERATIONS_ERROR; -} - /* return sequenceNumber from @BASEINFO */ @@ -1013,7 +890,7 @@ static int ltdb_sequence_number(struct ldb_module *module, talloc_free(tmp_ctx); /* zero is as good as anything when we don't know */ req->op.seq_num.seq_num = 0; - return LDB_SUCCESS; + return tret; } switch (req->op.seq_num.type) { @@ -1034,22 +911,136 @@ static int ltdb_sequence_number(struct ldb_module *module, } break; } + talloc_free(tmp_ctx); + + return LDB_SUCCESS; +} + +void ltdb_request_done(struct ldb_request *req, int error) +{ + struct ldb_reply *ares; + + /* if we already returned an error just return */ + if (req->handle->status != LDB_SUCCESS) { + return; + } + + ares = talloc_zero(req, struct ldb_reply); + if (!ares) { + ldb_oom(req->handle->ldb); + req->callback(req, NULL); + return; + } + ares->type = LDB_REPLY_DONE; + ares->error = error; + + req->callback(req, ares); +} + +static void ltdb_timeout(struct event_context *ev, + struct timed_event *te, + struct timeval t, + void *private_data) +{ + struct ltdb_context *ctx; + ctx = talloc_get_type(private_data, struct ltdb_context); + + ltdb_request_done(ctx->req, LDB_ERR_TIME_LIMIT_EXCEEDED); +} + +static void ltdb_callback(struct event_context *ev, + struct timed_event *te, + struct timeval t, + void *private_data) +{ + struct ltdb_context *ctx; + int ret; + + ctx = talloc_get_type(private_data, struct ltdb_context); + + switch (ctx->req->operation) { + case LDB_SEARCH: + ret = ltdb_search(ctx); + break; + case LDB_ADD: + ret = ltdb_add(ctx); + break; + case LDB_MODIFY: + ret = ltdb_modify(ctx); + break; + case LDB_DELETE: + ret = ltdb_delete(ctx); + break; + case LDB_RENAME: + ret = ltdb_rename(ctx); + break; + default: + /* no other op supported */ + ret = LDB_ERR_UNWILLING_TO_PERFORM; + } + + if (!ctx->callback_failed) { + ltdb_request_done(ctx->req, ret); + } +} + +static int ltdb_handle_request(struct ldb_module *module, + struct ldb_request *req) +{ + struct event_context *ev; + struct ltdb_context *ac; + struct timed_event *te; + struct timeval tv; + + if (check_critical_controls(req->controls)) { + return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION; + } + + if (req->starttime == 0 || req->timeout == 0) { + ldb_set_errstring(module->ldb, "Invalid timeout settings"); + return LDB_ERR_TIME_LIMIT_EXCEEDED; + } + + ev = ldb_get_event_context(module->ldb); + + ac = talloc_zero(req, struct ltdb_context); + if (ac == NULL) { + ldb_set_errstring(module->ldb, "Out of Memory"); + return LDB_ERR_OPERATIONS_ERROR; + } + + ac->module = module; + ac->req = req; + + tv.tv_sec = 0; + tv.tv_usec = 0; + te = event_add_timed(ev, ac, tv, ltdb_callback, ac); + if (NULL == te) { + return LDB_ERR_OPERATIONS_ERROR; + } + + + tv.tv_sec = req->starttime + req->timeout; + te = event_add_timed(ev, ac, tv, ltdb_timeout, ac); + if (NULL == te) { + return LDB_ERR_OPERATIONS_ERROR; + } + return LDB_SUCCESS; } static const struct ldb_module_ops ltdb_ops = { .name = "tdb", - .search = ltdb_search, - .add = ltdb_add, - .modify = ltdb_modify, - .del = ltdb_delete, - .rename = ltdb_rename, - .request = ltdb_request, + .search = ltdb_handle_request, + .add = ltdb_handle_request, + .modify = ltdb_handle_request, + .del = ltdb_handle_request, + .rename = ltdb_handle_request, +/* .request = ltdb_handle_request, */ .start_transaction = ltdb_start_trans, .end_transaction = ltdb_end_trans, .del_transaction = ltdb_del_trans, - .wait = ltdb_wait, .sequence_number = ltdb_sequence_number }; @@ -1114,7 +1105,7 @@ static int ltdb_connect(struct ldb_context *ldb, const char *url, ltdb->sequence_number = 0; *module = talloc(ldb, struct ldb_module); - if (!module) { + if ((*module) == NULL) { ldb_oom(ldb); talloc_free(ltdb); return -1; diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb.h b/source4/lib/ldb/ldb_tdb/ldb_tdb.h index 4beced30eb..223181ca0b 100644 --- a/source4/lib/ldb/ldb_tdb/ldb_tdb.h +++ b/source4/lib/ldb/ldb_tdb/ldb_tdb.h @@ -41,16 +41,15 @@ struct ltdb_private { */ struct ltdb_context { struct ldb_module *module; + struct ldb_request *req; + + bool callback_failed; /* search stuff */ const struct ldb_parse_tree *tree; struct ldb_dn *base; enum ldb_scope scope; const char * const *attrs; - - /* async stuff */ - void *context; - int (*callback)(struct ldb_context *, void *, struct ldb_reply *); }; /* special record types */ @@ -80,7 +79,7 @@ int ltdb_check_at_attributes_values(const struct ldb_val *value); struct ldb_parse_tree; -int ltdb_search_indexed(struct ldb_handle *handle); +int ltdb_search_indexed(struct ltdb_context *ctx); int ltdb_index_add(struct ldb_module *module, const struct ldb_message *msg); int ltdb_index_del(struct ldb_module *module, const struct ldb_message *msg); int ltdb_index_one(struct ldb_module *module, const struct ldb_message *msg, int add); @@ -110,11 +109,9 @@ int ltdb_add_attr_results(struct ldb_module *module, unsigned int *count, struct ldb_message ***res); int ltdb_filter_attrs(struct ldb_message *msg, const char * const *attrs); -int ltdb_search(struct ldb_module *module, struct ldb_request *req); +int ltdb_search(struct ltdb_context *ctx); /* The following definitions come from lib/ldb/ldb_tdb/ldb_tdb.c */ -struct ldb_handle *init_ltdb_handle(struct ltdb_private *ltdb, struct ldb_module *module, - struct ldb_request *req); struct TDB_DATA ltdb_key(struct ldb_module *module, struct ldb_dn *dn); int ltdb_store(struct ldb_module *module, const struct ldb_message *msg, int flgs); int ltdb_delete_noindex(struct ldb_module *module, struct ldb_dn *dn); @@ -127,4 +124,3 @@ struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx, const char *path, int hash_size, int tdb_flags, int open_flags, mode_t mode, struct ldb_context *ldb); - |