diff options
Diffstat (limited to 'source4/lib')
| -rw-r--r-- | source4/lib/ldb/ldb_map/ldb_map.c | 355 | ||||
| -rw-r--r-- | source4/lib/ldb/ldb_map/ldb_map.h | 4 | ||||
| -rw-r--r-- | source4/lib/ldb/ldb_map/ldb_map_inbound.c | 754 | ||||
| -rw-r--r-- | source4/lib/ldb/ldb_map/ldb_map_outbound.c | 443 | ||||
| -rw-r--r-- | source4/lib/ldb/ldb_map/ldb_map_private.h | 88 | ||||
| -rw-r--r-- | source4/lib/ldb/modules/asq.c | 419 | ||||
| -rw-r--r-- | source4/lib/ldb/modules/operational.c | 102 | ||||
| -rw-r--r-- | source4/lib/ldb/modules/paged_results.c | 493 | ||||
| -rw-r--r-- | source4/lib/ldb/modules/paged_searches.c | 359 | ||||
| -rw-r--r-- | source4/lib/ldb/modules/rdn_name.c | 300 | ||||
| -rw-r--r-- | source4/lib/ldb/modules/sort.c | 369 |
11 files changed, 1534 insertions, 2152 deletions
diff --git a/source4/lib/ldb/ldb_map/ldb_map.c b/source4/lib/ldb/ldb_map/ldb_map.c index e9129c812b..fafbb63b0a 100644 --- a/source4/lib/ldb/ldb_map/ldb_map.c +++ b/source4/lib/ldb/ldb_map/ldb_map.c @@ -3,6 +3,7 @@ Copyright (C) Jelmer Vernooij 2005 Copyright (C) Martin Kuehl <mkhl@samba.org> 2006 + Copyright (C) Simo Sorce 2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -106,69 +107,23 @@ const struct ldb_map_context *map_get_context(struct ldb_module *module) } /* Create a generic request context. */ -static struct map_context *map_init_context(struct ldb_handle *h, struct ldb_request *req) +struct map_context *map_init_context(struct ldb_module *module, + struct ldb_request *req) { struct map_context *ac; - ac = talloc_zero(h, struct map_context); + ac = talloc_zero(req, struct map_context); if (ac == NULL) { - map_oom(h->module); + ldb_set_errstring(module->ldb, "Out of Memory"); return NULL; } - ac->module = h->module; - ac->orig_req = req; + ac->module = module; + ac->req = req; return ac; } -/* Create a search request context. */ -struct map_search_context *map_init_search_context(struct map_context *ac, struct ldb_reply *ares) -{ - struct map_search_context *sc; - - sc = talloc_zero(ac, struct map_search_context); - if (sc == NULL) { - map_oom(ac->module); - return NULL; - } - - sc->ac = ac; - sc->local_res = NULL; - sc->remote_res = ares; - - return sc; -} - -/* Create a request context and handle. */ -struct ldb_handle *map_init_handle(struct ldb_request *req, struct ldb_module *module) -{ - struct map_context *ac; - struct ldb_handle *h; - - h = talloc_zero(req, struct ldb_handle); - if (h == NULL) { - map_oom(module); - return NULL; - } - - h->module = module; - - ac = map_init_context(h, req); - if (ac == NULL) { - talloc_free(h); - return NULL; - } - - h->private_data = (void *)ac; - - h->state = LDB_ASYNC_INIT; - h->status = LDB_SUCCESS; - - return h; -} - - /* Dealing with DNs for different partitions * ========================================= */ @@ -888,113 +843,52 @@ static int map_objectclass_convert_operator(struct ldb_module *module, void *mem /* Auxiliary request construction * ============================== */ -/* Store the DN of a single search result in context. */ -static int map_search_self_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) -{ - struct map_context *ac; - - if (context == NULL || ares == NULL) { - ldb_set_errstring(ldb, talloc_asprintf(ldb, "NULL Context or Result in callback")); - return LDB_ERR_OPERATIONS_ERROR; - } - - ac = talloc_get_type(context, struct map_context); - - /* We are interested only in the single reply */ - if (ares->type != LDB_REPLY_ENTRY) { - talloc_free(ares); - return LDB_SUCCESS; - } - - /* We have already found a remote DN */ - if (ac->local_dn) { - ldb_set_errstring(ldb, talloc_asprintf(ldb, "Too many results to base search")); - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } - - /* Store local DN */ - ac->local_dn = ares->message->dn; - - return LDB_SUCCESS; -} - /* Build a request to search a record by its DN. */ -struct ldb_request *map_search_base_req(struct map_context *ac, struct ldb_dn *dn, const char * const *attrs, const struct ldb_parse_tree *tree, void *context, ldb_search_callback callback) +struct ldb_request *map_search_base_req(struct map_context *ac, struct ldb_dn *dn, const char * const *attrs, const struct ldb_parse_tree *tree, void *context, ldb_map_callback_t callback) { + const struct ldb_parse_tree *search_tree; struct ldb_request *req; - - req = talloc_zero(ac, struct ldb_request); - if (req == NULL) { - map_oom(ac->module); - return NULL; - } - - req->operation = LDB_SEARCH; - req->op.search.base = dn; - req->op.search.scope = LDB_SCOPE_BASE; - req->op.search.attrs = attrs; + int ret; if (tree) { - req->op.search.tree = tree; + search_tree = tree; } else { - req->op.search.tree = ldb_parse_tree(req, NULL); - if (req->op.search.tree == NULL) { - talloc_free(req); + search_tree = ldb_parse_tree(ac, NULL); + if (search_tree == NULL) { return NULL; } } - req->controls = NULL; - req->context = context; - req->callback = callback; - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, req); - - return req; -} - -/* Build a request to search the local record by its DN. */ -struct ldb_request *map_search_self_req(struct map_context *ac, struct ldb_dn *dn) -{ - /* attrs[] is returned from this function in - * ac->search_req->op.search.attrs, so it must be static, as - * otherwise the compiler can put it on the stack */ - static const char * const attrs[] = { IS_MAPPED, NULL }; - struct ldb_parse_tree *tree; - - /* Limit search to records with 'IS_MAPPED' present */ - /* TODO: `tree = ldb_parse_tree(ac, IS_MAPPED);' won't do. */ - tree = talloc_zero(ac, struct ldb_parse_tree); - if (tree == NULL) { - map_oom(ac->module); + ret = ldb_build_search_req_ex(&req, ac->module->ldb, ac, + dn, LDB_SCOPE_BASE, + search_tree, attrs, + NULL, + context, callback, + ac->req); + if (ret != LDB_SUCCESS) { return NULL; } - tree->operation = LDB_OP_PRESENT; - tree->u.present.attr = talloc_strdup(tree, IS_MAPPED); - - return map_search_base_req(ac, dn, attrs, tree, ac, map_search_self_callback); + return req; } /* Build a request to update the 'IS_MAPPED' attribute */ -struct ldb_request *map_build_fixup_req(struct map_context *ac, struct ldb_dn *olddn, struct ldb_dn *newdn) +struct ldb_request *map_build_fixup_req(struct map_context *ac, + struct ldb_dn *olddn, + struct ldb_dn *newdn, + void *context, + ldb_map_callback_t callback) { struct ldb_request *req; struct ldb_message *msg; const char *dn; - - /* Prepare request */ - req = talloc_zero(ac, struct ldb_request); - if (req == NULL) { - map_oom(ac->module); - return NULL; - } + int ret; /* Prepare message */ - msg = ldb_msg_new(req); + msg = ldb_msg_new(ac); if (msg == NULL) { map_oom(ac->module); - goto failed; + return NULL; } /* Update local 'IS_MAPPED' to the new remote DN */ @@ -1010,193 +904,22 @@ struct ldb_request *map_build_fixup_req(struct map_context *ac, struct ldb_dn *o goto failed; } - req->operation = LDB_MODIFY; - req->op.mod.message = msg; - req->controls = NULL; - req->handle = NULL; - req->context = NULL; - req->callback = NULL; + /* Prepare request */ + ret = ldb_build_mod_req(&req, ac->module->ldb, + ac, msg, NULL, + context, callback, + ac->req); + if (ret != LDB_SUCCESS) { + goto failed; + } + talloc_steal(req, msg); return req; - failed: - talloc_free(req); + talloc_free(msg); return NULL; } - -/* Asynchronous call structure - * =========================== */ - -/* Figure out which request is currently pending. */ -static struct ldb_request *map_get_req(struct map_context *ac) -{ - switch (ac->step) { - case MAP_SEARCH_SELF_MODIFY: - case MAP_SEARCH_SELF_DELETE: - case MAP_SEARCH_SELF_RENAME: - return ac->search_req; - - case MAP_ADD_REMOTE: - case MAP_MODIFY_REMOTE: - case MAP_DELETE_REMOTE: - case MAP_RENAME_REMOTE: - return ac->remote_req; - - case MAP_RENAME_FIXUP: - return ac->down_req; - - case MAP_ADD_LOCAL: - case MAP_MODIFY_LOCAL: - case MAP_DELETE_LOCAL: - case MAP_RENAME_LOCAL: - return ac->local_req; - - case MAP_SEARCH_REMOTE: - /* Can't happen */ - break; - } - - return NULL; /* unreachable; silences a warning */ -} - -typedef int (*map_next_function)(struct ldb_handle *handle); - -/* Figure out the next request to run. */ -static map_next_function map_get_next(struct map_context *ac) -{ - switch (ac->step) { - case MAP_SEARCH_REMOTE: - return NULL; - - case MAP_ADD_LOCAL: - return map_add_do_remote; - case MAP_ADD_REMOTE: - return NULL; - - case MAP_SEARCH_SELF_MODIFY: - return map_modify_do_local; - case MAP_MODIFY_LOCAL: - return map_modify_do_remote; - case MAP_MODIFY_REMOTE: - return NULL; - - case MAP_SEARCH_SELF_DELETE: - return map_delete_do_local; - case MAP_DELETE_LOCAL: - return map_delete_do_remote; - case MAP_DELETE_REMOTE: - return NULL; - - case MAP_SEARCH_SELF_RENAME: - return map_rename_do_local; - case MAP_RENAME_LOCAL: - return map_rename_do_fixup; - case MAP_RENAME_FIXUP: - return map_rename_do_remote; - case MAP_RENAME_REMOTE: - return NULL; - } - - return NULL; /* unreachable; silences a warning */ -} - -/* Wait for the current pending request to finish and continue with the next. */ -static int map_wait_next(struct ldb_handle *handle) -{ - struct map_context *ac; - struct ldb_request *req; - map_next_function next; - int ret; - - if (handle == NULL || handle->private_data == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - - if (handle->state == LDB_ASYNC_DONE) { - return handle->status; - } - - handle->state = LDB_ASYNC_PENDING; - handle->status = LDB_SUCCESS; - - ac = talloc_get_type(handle->private_data, struct map_context); - - if (ac->step == MAP_SEARCH_REMOTE) { - int i; - for (i = 0; i < ac->num_searches; i++) { - req = ac->search_reqs[i]; - ret = ldb_wait(req->handle, LDB_WAIT_NONE); - - if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - if (req->handle->status != LDB_SUCCESS) { - handle->status = req->handle->status; - goto done; - } - if (req->handle->state != LDB_ASYNC_DONE) { - return LDB_SUCCESS; - } - } - } else { - - req = map_get_req(ac); - - ret = ldb_wait(req->handle, LDB_WAIT_NONE); - - if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - if (req->handle->status != LDB_SUCCESS) { - handle->status = req->handle->status; - goto done; - } - if (req->handle->state != LDB_ASYNC_DONE) { - return LDB_SUCCESS; - } - - next = map_get_next(ac); - if (next) { - return next(handle); - } - } - - ret = LDB_SUCCESS; - -done: - handle->state = LDB_ASYNC_DONE; - return ret; -} - -/* Wait for all current pending requests to finish. */ -static int map_wait_all(struct ldb_handle *handle) -{ - int ret; - - while (handle->state != LDB_ASYNC_DONE) { - ret = map_wait_next(handle); - if (ret != LDB_SUCCESS) { - return ret; - } - } - - return handle->status; -} - -/* Wait for pending requests to finish. */ -int map_wait(struct ldb_handle *handle, enum ldb_wait_type type) -{ - if (type == LDB_WAIT_ALL) { - return map_wait_all(handle); - } else { - return map_wait_next(handle); - } -} - - /* Module initialization * ===================== */ diff --git a/source4/lib/ldb/ldb_map/ldb_map.h b/source4/lib/ldb/ldb_map/ldb_map.h index e40bb9cd7e..7f92c15b98 100644 --- a/source4/lib/ldb/ldb_map/ldb_map.h +++ b/source4/lib/ldb/ldb_map/ldb_map.h @@ -160,14 +160,12 @@ int map_search(struct ldb_module *module, struct ldb_request *req); int map_rename(struct ldb_module *module, struct ldb_request *req); int map_delete(struct ldb_module *module, struct ldb_request *req); int map_modify(struct ldb_module *module, struct ldb_request *req); -int map_wait(struct ldb_handle *handle, enum ldb_wait_type type); #define LDB_MAP_OPS \ .add = map_add, \ .modify = map_modify, \ .del = map_delete, \ .rename = map_rename, \ - .search = map_search, \ - .wait = map_wait, + .search = map_search, #endif /* __LDB_MAP_H__ */ diff --git a/source4/lib/ldb/ldb_map/ldb_map_inbound.c b/source4/lib/ldb/ldb_map/ldb_map_inbound.c index 7fc3ac4ed5..96605f23eb 100644 --- a/source4/lib/ldb/ldb_map/ldb_map_inbound.c +++ b/source4/lib/ldb/ldb_map/ldb_map_inbound.c @@ -3,6 +3,7 @@ Copyright (C) Jelmer Vernooij 2005 Copyright (C) Martin Kuehl <mkhl@samba.org> 2006 + Copyright (C) Simo Sorce <idra@samba.org> 2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -178,51 +179,181 @@ static int ldb_msg_partition(struct ldb_module *module, struct ldb_message *loca } -/* Inbound requests: add, modify, rename, delete - * ============================================= */ +static int map_add_do_local(struct map_context *ac); +static int map_modify_do_local(struct map_context *ac); +static int map_delete_do_local(struct map_context *ac); +static int map_rename_do_local(struct map_context *ac); +static int map_rename_do_fixup(struct map_context *ac); +static int map_rename_local_callback(struct ldb_request *req, + struct ldb_reply *ares); -/* Add the remote record. */ -int map_add_do_remote(struct ldb_handle *handle) + +/***************************************************************************** + * COMMON INBOUND functions +*****************************************************************************/ + +/* Store the DN of a single search result in context. */ +static int map_search_self_callback(struct ldb_request *req, struct ldb_reply *ares) { struct map_context *ac; + int ret; - ac = talloc_get_type(handle->private_data, struct map_context); + ac = talloc_get_type(req->context, struct map_context); - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req); + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } - ac->step = MAP_ADD_REMOTE; + /* We are interested only in the single reply */ + switch(ares->type) { + case LDB_REPLY_ENTRY: + /* We have already found a remote DN */ + if (ac->local_dn) { + ldb_set_errstring(ac->module->ldb, + "Too many results!"); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; + /* Store local DN */ + ac->local_dn = talloc_steal(ac, ares->message->dn); + break; - return ldb_next_remote_request(ac->module, ac->remote_req); + case LDB_REPLY_DONE: + + switch (ac->req->operation) { + case LDB_MODIFY: + ret = map_modify_do_local(ac); + break; + case LDB_DELETE: + ret = map_delete_do_local(ac); + break; + case LDB_RENAME: + ret = map_rename_do_local(ac); + break; + default: + /* if we get here we have definitely a problem */ + ret = LDB_ERR_OPERATIONS_ERROR; + } + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + + default: + /* ignore referrals */ + break; + } + + talloc_free(ares); + return LDB_SUCCESS; } -/* Add the local record. */ -int map_add_do_local(struct ldb_handle *handle) +/* Build a request to search the local record by its DN. */ +static int map_search_self_req(struct ldb_request **req, + struct map_context *ac, + struct ldb_dn *dn) +{ + /* attrs[] is returned from this function in + * ac->search_req->op.search.attrs, so it must be static, as + * otherwise the compiler can put it on the stack */ + static const char * const attrs[] = { IS_MAPPED, NULL }; + struct ldb_parse_tree *tree; + + /* Limit search to records with 'IS_MAPPED' present */ + tree = ldb_parse_tree(ac, "(" IS_MAPPED "=*)"); + if (tree == NULL) { + map_oom(ac->module); + return LDB_ERR_OPERATIONS_ERROR; + } + + *req = map_search_base_req(ac, dn, attrs, tree, + ac, map_search_self_callback); + if (*req == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + return LDB_SUCCESS; +} + +static int map_op_local_callback(struct ldb_request *req, + struct ldb_reply *ares) { struct map_context *ac; + int ret; - ac = talloc_get_type(handle->private_data, struct map_context); + ac = talloc_get_type(req->context, struct map_context); - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req); + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } - ac->step = MAP_ADD_LOCAL; + if (ares->type != LDB_REPLY_DONE) { + ldb_set_errstring(req->handle->ldb, "Invalid reply type!"); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; + /* Do the remote request. */ + ret = ldb_next_remote_request(ac->module, ac->remote_req); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } - return ldb_next_request(ac->module, ac->local_req); + return LDB_SUCCESS; } +static int map_op_remote_callback(struct ldb_request *req, + struct ldb_reply *ares) +{ + struct map_context *ac; + + ac = talloc_get_type(req->context, struct map_context); + + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } + + if (ares->type != LDB_REPLY_DONE) { + ldb_set_errstring(req->handle->ldb, "Invalid reply type!"); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); +} + + +/***************************************************************************** + * ADD operations +*****************************************************************************/ + + /* Add a record. */ int map_add(struct ldb_module *module, struct ldb_request *req) { const struct ldb_message *msg = req->op.add.message; - struct ldb_handle *h; struct map_context *ac; - struct ldb_message *local, *remote; + struct ldb_message *remote_msg; const char *dn; + int ret; /* Do not manipulate our control entries */ if (ldb_dn_is_special(msg->dn)) { @@ -240,141 +371,88 @@ int map_add(struct ldb_module *module, struct ldb_request *req) } /* Prepare context and handle */ - h = map_init_handle(req, module); - if (h == NULL) { + ac = map_init_context(module, req); + if (ac == NULL) { return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(h->private_data, struct map_context); - - /* Prepare the local operation */ - ac->local_req = talloc(ac, struct ldb_request); - if (ac->local_req == NULL) { - goto oom; - } - *(ac->local_req) = *req; /* copy the request */ - - ac->local_req->context = NULL; - ac->local_req->callback = NULL; - - /* Prepare the remote operation */ - ac->remote_req = talloc(ac, struct ldb_request); - if (ac->remote_req == NULL) { - goto oom; - } - - *(ac->remote_req) = *req; /* copy the request */ - - ac->remote_req->context = NULL; - ac->remote_req->callback = NULL; /* Prepare the local message */ - local = ldb_msg_new(ac->local_req); - if (local == NULL) { - goto oom; + ac->local_msg = ldb_msg_new(ac); + if (ac->local_msg == NULL) { + map_oom(module); + return LDB_ERR_OPERATIONS_ERROR; } - local->dn = msg->dn; + ac->local_msg->dn = msg->dn; /* Prepare the remote message */ - remote = ldb_msg_new(ac->remote_req); - if (remote == NULL) { - goto oom; + remote_msg = ldb_msg_new(ac); + if (remote_msg == NULL) { + map_oom(module); + return LDB_ERR_OPERATIONS_ERROR; } - remote->dn = ldb_dn_map_local(ac->module, remote, msg->dn); + remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn); /* Split local from remote message */ - ldb_msg_partition(module, local, remote, msg); - ac->local_req->op.add.message = local; - ac->remote_req->op.add.message = remote; + ldb_msg_partition(module, ac->local_msg, remote_msg, msg); + + /* Prepare the remote operation */ + ret = ldb_build_add_req(&ac->remote_req, module->ldb, + ac, remote_msg, + req->controls, + ac, map_op_remote_callback, + req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } - if ((local->num_elements == 0) || (!map_check_local_db(ac->module))) { + if ((ac->local_msg->num_elements == 0) || + ( ! map_check_local_db(ac->module))) { /* No local data or db, just run the remote request */ - talloc_free(ac->local_req); - req->handle = h; /* return our own handle to deal with this call */ - return map_add_do_remote(h); + return ldb_next_remote_request(ac->module, ac->remote_req); } /* Store remote DN in 'IS_MAPPED' */ /* TODO: use GUIDs here instead */ - dn = ldb_dn_alloc_linearized(local, remote->dn); - if (ldb_msg_add_string(local, IS_MAPPED, dn) != 0) { - goto failed; + dn = ldb_dn_alloc_linearized(ac->local_msg, remote_msg->dn); + if (ldb_msg_add_string(ac->local_msg, IS_MAPPED, dn) != 0) { + return LDB_ERR_OPERATIONS_ERROR; } - req->handle = h; /* return our own handle to deal with this call */ - return map_add_do_local(h); - -oom: - map_oom(module); -failed: - talloc_free(h); - return LDB_ERR_OPERATIONS_ERROR; -} - -/* Modify the remote record. */ -int map_modify_do_remote(struct ldb_handle *handle) -{ - struct map_context *ac; - - ac = talloc_get_type(handle->private_data, struct map_context); - - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req); - - ac->step = MAP_MODIFY_REMOTE; - - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; - - return ldb_next_remote_request(ac->module, ac->remote_req); + return map_add_do_local(ac); } -/* Modify the local record. */ -int map_modify_do_local(struct ldb_handle *handle) +/* Add the local record. */ +static int map_add_do_local(struct map_context *ac) { - struct map_context *ac; - struct ldb_message *msg; - char *dn; - - ac = talloc_get_type(handle->private_data, struct map_context); - - if (ac->local_dn == NULL) { - /* No local record present, add it instead */ - msg = discard_const_p(struct ldb_message, ac->local_req->op.mod.message); - - /* Add local 'IS_MAPPED' */ - /* TODO: use GUIDs here instead */ - if (ldb_msg_add_empty(msg, IS_MAPPED, LDB_FLAG_MOD_ADD, NULL) != 0) { - return LDB_ERR_OPERATIONS_ERROR; - } - dn = ldb_dn_alloc_linearized(msg, ac->remote_req->op.mod.message->dn); - if (ldb_msg_add_string(msg, IS_MAPPED, dn) != 0) { - return LDB_ERR_OPERATIONS_ERROR; - } + struct ldb_request *local_req; + int ret; - /* Turn request into 'add' */ - ac->local_req->operation = LDB_ADD; - ac->local_req->op.add.message = msg; - /* TODO: Could I just leave msg in there? I think so, - * but it looks clearer this way. */ + /* Prepare the local operation */ + ret = ldb_build_add_req(&local_req, ac->module->ldb, ac, + ac->local_msg, + ac->req->controls, + ac, + map_op_local_callback, + ac->req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; } - - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req); - - ac->step = MAP_MODIFY_LOCAL; - - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; - - return ldb_next_request(ac->module, ac->local_req); + return ldb_next_request(ac->module, local_req); } +/***************************************************************************** + * MODIFY operations +*****************************************************************************/ + /* Modify a record. */ int map_modify(struct ldb_module *module, struct ldb_request *req) { const struct ldb_message *msg = req->op.mod.message; - struct ldb_handle *h; + struct ldb_request *search_req; + struct ldb_message *remote_msg; struct map_context *ac; - struct ldb_message *local, *remote; + int ret; /* Do not manipulate our control entries */ if (ldb_dn_is_special(msg->dn)) { @@ -395,257 +473,200 @@ int map_modify(struct ldb_module *module, struct ldb_request *req) } /* Prepare context and handle */ - h = map_init_handle(req, module); - if (h == NULL) { + ac = map_init_context(module, req); + if (ac == NULL) { return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(h->private_data, struct map_context); - - /* Prepare the local operation */ - ac->local_req = talloc(ac, struct ldb_request); - if (ac->local_req == NULL) { - goto oom; - } - - *(ac->local_req) = *req; /* copy the request */ - - ac->local_req->context = NULL; - ac->local_req->callback = NULL; - - /* Prepare the remote operation */ - ac->remote_req = talloc(ac, struct ldb_request); - if (ac->remote_req == NULL) { - goto oom; - } - - *(ac->remote_req) = *req; /* copy the request */ - - ac->remote_req->context = NULL; - ac->remote_req->callback = NULL; /* Prepare the local message */ - local = ldb_msg_new(ac->local_req); - if (local == NULL) { - goto oom; + ac->local_msg = ldb_msg_new(ac); + if (ac->local_msg == NULL) { + map_oom(module); + return LDB_ERR_OPERATIONS_ERROR; } - local->dn = msg->dn; + ac->local_msg->dn = msg->dn; /* Prepare the remote message */ - remote = ldb_msg_new(ac->remote_req); - if (remote == NULL) { - goto oom; + remote_msg = ldb_msg_new(ac->remote_req); + if (remote_msg == NULL) { + map_oom(module); + return LDB_ERR_OPERATIONS_ERROR; } - remote->dn = ldb_dn_map_local(ac->module, remote, msg->dn); + remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn); /* Split local from remote message */ - ldb_msg_partition(module, local, remote, msg); - ac->local_req->op.mod.message = local; - ac->remote_req->op.mod.message = remote; + ldb_msg_partition(module, ac->local_msg, remote_msg, msg); + + /* Prepare the remote operation */ + ret = ldb_build_mod_req(&ac->remote_req, module->ldb, + ac, remote_msg, + req->controls, + ac, map_op_remote_callback, + req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } - if ((local->num_elements == 0) || (!map_check_local_db(ac->module))) { + if ((ac->local_msg->num_elements == 0) || + ( ! map_check_local_db(ac->module))) { /* No local data or db, just run the remote request */ - talloc_free(ac->local_req); - req->handle = h; /* return our own handle to deal with this call */ - return map_modify_do_remote(h); + return ldb_next_remote_request(ac->module, ac->remote_req); } /* prepare the search operation */ - ac->search_req = map_search_self_req(ac, msg->dn); - if (ac->search_req == NULL) { - goto failed; + ret = map_search_self_req(&search_req, ac, msg->dn); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; } - ac->step = MAP_SEARCH_SELF_MODIFY; - - req->handle = h; /* return our own handle to deal with this call */ - return ldb_next_request(module, ac->search_req); - -oom: - map_oom(module); -failed: - talloc_free(h); - return LDB_ERR_OPERATIONS_ERROR; -} - -/* Delete the remote record. */ -int map_delete_do_remote(struct ldb_handle *handle) -{ - struct map_context *ac; - - ac = talloc_get_type(handle->private_data, struct map_context); - - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req); - - ac->step = MAP_DELETE_REMOTE; - - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; - - return ldb_next_remote_request(ac->module, ac->remote_req); + return ldb_next_request(module, search_req); } -/* Delete the local record. */ -int map_delete_do_local(struct ldb_handle *handle) +/* Modify the local record. */ +static int map_modify_do_local(struct map_context *ac) { - struct map_context *ac; - - ac = talloc_get_type(handle->private_data, struct map_context); + struct ldb_request *local_req; + char *dn; + int ret; - /* No local record, continue remotely */ if (ac->local_dn == NULL) { - return map_delete_do_remote(handle); - } - - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req); - - ac->step = MAP_DELETE_LOCAL; + /* No local record present, add it instead */ + /* Add local 'IS_MAPPED' */ + /* TODO: use GUIDs here instead */ + if (ldb_msg_add_empty(ac->local_msg, IS_MAPPED, + LDB_FLAG_MOD_ADD, NULL) != 0) { + return LDB_ERR_OPERATIONS_ERROR; + } + dn = ldb_dn_alloc_linearized(ac->local_msg, + ac->remote_req->op.mod.message->dn); + if (ldb_msg_add_string(ac->local_msg, IS_MAPPED, dn) != 0) { + return LDB_ERR_OPERATIONS_ERROR; + } - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; + /* Prepare the local operation */ + ret = ldb_build_add_req(&local_req, ac->module->ldb, ac, + ac->local_msg, + ac->req->controls, + ac, + map_op_local_callback, + ac->req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } + } else { + /* Prepare the local operation */ + ret = ldb_build_mod_req(&local_req, ac->module->ldb, ac, + ac->local_msg, + ac->req->controls, + ac, + map_op_local_callback, + ac->req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } + } - return ldb_next_request(ac->module, ac->local_req); + return ldb_next_request(ac->module, local_req); } +/***************************************************************************** + * DELETE operations +*****************************************************************************/ + /* Delete a record. */ int map_delete(struct ldb_module *module, struct ldb_request *req) { - struct ldb_handle *h; + struct ldb_request *search_req; struct map_context *ac; + int ret; /* Do not manipulate our control entries */ if (ldb_dn_is_special(req->op.del.dn)) { return ldb_next_request(module, req); } - /* No mapping requested (perhaps no DN mapping specified), skip to next module */ + /* No mapping requested (perhaps no DN mapping specified). + * Skip to next module */ if (!ldb_dn_check_local(module, req->op.del.dn)) { return ldb_next_request(module, req); } /* Prepare context and handle */ - h = map_init_handle(req, module); - if (h == NULL) { + ac = map_init_context(module, req); + if (ac == NULL) { return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(h->private_data, struct map_context); - - /* Prepare the local operation */ - ac->local_req = talloc(ac, struct ldb_request); - if (ac->local_req == NULL) { - goto oom; - } - - *(ac->local_req) = *req; /* copy the request */ - ac->local_req->op.del.dn = req->op.del.dn; - - ac->local_req->context = NULL; - ac->local_req->callback = NULL; /* Prepare the remote operation */ - ac->remote_req = talloc(ac, struct ldb_request); - if (ac->remote_req == NULL) { - goto oom; + ret = ldb_build_del_req(&ac->remote_req, module->ldb, ac, + ldb_dn_map_local(module, ac, req->op.del.dn), + req->controls, + ac, + map_op_remote_callback, + req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; } - *(ac->remote_req) = *req; /* copy the request */ - ac->remote_req->op.del.dn = ldb_dn_map_local(module, ac->remote_req, req->op.del.dn); - /* No local db, just run the remote request */ if (!map_check_local_db(ac->module)) { - req->handle = h; /* return our own handle to deal with this call */ - return map_delete_do_remote(h); + /* Do the remote request. */ + return ldb_next_remote_request(ac->module, ac->remote_req); } - ac->remote_req->context = NULL; - ac->remote_req->callback = NULL; - /* Prepare the search operation */ - ac->search_req = map_search_self_req(ac, req->op.del.dn); - if (ac->search_req == NULL) { - goto failed; + ret = map_search_self_req(&search_req, ac, req->op.del.dn); + if (ret != LDB_SUCCESS) { + map_oom(module); + return LDB_ERR_OPERATIONS_ERROR; } - req->handle = h; /* return our own handle to deal with this call */ - - ac->step = MAP_SEARCH_SELF_DELETE; - - return ldb_next_request(module, ac->search_req); - -oom: - map_oom(module); -failed: - talloc_free(h); - return LDB_ERR_OPERATIONS_ERROR; + return ldb_next_request(module, search_req); } -/* Rename the remote record. */ -int map_rename_do_remote(struct ldb_handle *handle) -{ - struct map_context *ac; - - ac = talloc_get_type(handle->private_data, struct map_context); - - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req); - - ac->step = MAP_RENAME_REMOTE; - - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; - - return ldb_next_remote_request(ac->module, ac->remote_req); -} - -/* Update the local 'IS_MAPPED' attribute. */ -int map_rename_do_fixup(struct ldb_handle *handle) -{ - struct map_context *ac; - - ac = talloc_get_type(handle->private_data, struct map_context); - - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->down_req); - - ac->step = MAP_RENAME_FIXUP; - - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; - - return ldb_next_request(ac->module, ac->down_req); -} - -/* Rename the local record. */ -int map_rename_do_local(struct ldb_handle *handle) +/* Delete the local record. */ +static int map_delete_do_local(struct map_context *ac) { - struct map_context *ac; - - ac = talloc_get_type(handle->private_data, struct map_context); + struct ldb_request *local_req; + int ret; /* No local record, continue remotely */ if (ac->local_dn == NULL) { - return map_rename_do_remote(handle); + /* Do the remote request. */ + return ldb_next_remote_request(ac->module, ac->remote_req); } - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req); - - ac->step = MAP_RENAME_LOCAL; - - handle->state = LDB_ASYNC_INIT; - handle->status = LDB_SUCCESS; - - return ldb_next_request(ac->module, ac->local_req); + /* Prepare the local operation */ + ret = ldb_build_del_req(&local_req, ac->module->ldb, ac, + ac->req->op.del.dn, + ac->req->controls, + ac, + map_op_local_callback, + ac->req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } + return ldb_next_request(ac->module, local_req); } +/***************************************************************************** + * RENAME operations +*****************************************************************************/ + /* Rename a record. */ int map_rename(struct ldb_module *module, struct ldb_request *req) { - struct ldb_handle *h; + struct ldb_request *search_req; struct map_context *ac; + int ret; /* Do not manipulate our control entries */ if (ldb_dn_is_special(req->op.rename.olddn)) { return ldb_next_request(module, req); } - /* No mapping requested (perhaps no DN mapping specified), skip to next module */ + /* No mapping requested (perhaps no DN mapping specified). + * Skip to next module */ if ((!ldb_dn_check_local(module, req->op.rename.olddn)) && (!ldb_dn_check_local(module, req->op.rename.newdn))) { return ldb_next_request(module, req); @@ -658,66 +679,113 @@ int map_rename(struct ldb_module *module, struct ldb_request *req) } /* Prepare context and handle */ - h = map_init_handle(req, module); - if (h == NULL) { + ac = map_init_context(module, req); + if (ac == NULL) { return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(h->private_data, struct map_context); - /* Prepare the local operation */ - ac->local_req = talloc(ac, struct ldb_request); - if (ac->local_req == NULL) { - goto oom; + /* Prepare the remote operation */ + ret = ldb_build_rename_req(&ac->remote_req, module->ldb, ac, + ldb_dn_map_local(module, ac, req->op.rename.olddn), + ldb_dn_map_local(module, ac, req->op.rename.newdn), + req->controls, + ac, map_op_remote_callback, + req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; } - *(ac->local_req) = *req; /* copy the request */ - ac->local_req->op.rename.olddn = req->op.rename.olddn; - ac->local_req->op.rename.newdn = req->op.rename.newdn; + /* No local db, just run the remote request */ + if (!map_check_local_db(ac->module)) { + /* Do the remote request. */ + return ldb_next_remote_request(ac->module, ac->remote_req); + } - ac->local_req->context = NULL; - ac->local_req->callback = NULL; + /* Prepare the search operation */ + ret = map_search_self_req(&search_req, ac, req->op.rename.olddn); + if (ret != LDB_SUCCESS) { + map_oom(module); + return LDB_ERR_OPERATIONS_ERROR; + } - /* Prepare the remote operation */ - ac->remote_req = talloc(ac, struct ldb_request); - if (ac->remote_req == NULL) { - goto oom; + return ldb_next_request(module, search_req); +} + +/* Rename the local record. */ +static int map_rename_do_local(struct map_context *ac) +{ + struct ldb_request *local_req; + int ret; + + /* No local record, continue remotely */ + if (ac->local_dn == NULL) { + /* Do the remote request. */ + return ldb_next_remote_request(ac->module, ac->remote_req); } - *(ac->remote_req) = *req; /* copy the request */ - ac->remote_req->op.rename.olddn = ldb_dn_map_local(module, ac->remote_req, req->op.rename.olddn); - ac->remote_req->op.rename.newdn = ldb_dn_map_local(module, ac->remote_req, req->op.rename.newdn); + /* Prepare the local operation */ + ret = ldb_build_rename_req(&local_req, ac->module->ldb, ac, + ac->req->op.rename.olddn, + ac->req->op.rename.newdn, + ac->req->controls, + ac, + map_rename_local_callback, + ac->req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } - ac->remote_req->context = NULL; - ac->remote_req->callback = NULL; + return ldb_next_request(ac->module, local_req); +} - /* No local db, just run the remote request */ - if (!map_check_local_db(ac->module)) { - req->handle = h; /* return our own handle to deal with this call */ - return map_rename_do_remote(h); +static int map_rename_local_callback(struct ldb_request *req, + struct ldb_reply *ares) +{ + struct map_context *ac; + int ret; + + ac = talloc_get_type(req->context, struct map_context); + + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); } - /* Prepare the fixup operation */ - /* TODO: use GUIDs here instead -- or skip it when GUIDs are used. */ - ac->down_req = map_build_fixup_req(ac, req->op.rename.newdn, ac->remote_req->op.rename.newdn); - if (ac->down_req == NULL) { - goto failed; + if (ares->type != LDB_REPLY_DONE) { + ldb_set_errstring(req->handle->ldb, "Invalid reply type!"); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - /* Prepare the search operation */ - ac->search_req = map_search_self_req(ac, req->op.rename.olddn); - if (ac->search_req == NULL) { - goto failed; + /* proceed with next step */ + ret = map_rename_do_fixup(ac); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - req->handle = h; /* return our own handle to deal with this call */ + return LDB_SUCCESS; +} - ac->step = MAP_SEARCH_SELF_RENAME; +/* Update the local 'IS_MAPPED' attribute. */ +static int map_rename_do_fixup(struct map_context *ac) +{ + struct ldb_request *local_req; - return ldb_next_request(module, ac->search_req); + /* Prepare the fixup operation */ + /* TODO: use GUIDs here instead -- or skip it when GUIDs are used. */ + local_req = map_build_fixup_req(ac, + ac->req->op.rename.newdn, + ac->remote_req->op.rename.newdn, + ac, + map_op_local_callback); + if (local_req == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } -oom: - map_oom(module); -failed: - talloc_free(h); - return LDB_ERR_OPERATIONS_ERROR; + return ldb_next_request(ac->module, local_req); } diff --git a/source4/lib/ldb/ldb_map/ldb_map_outbound.c b/source4/lib/ldb/ldb_map/ldb_map_outbound.c index fbc097f313..5f524a8be3 100644 --- a/source4/lib/ldb/ldb_map/ldb_map_outbound.c +++ b/source4/lib/ldb/ldb_map/ldb_map_outbound.c @@ -4,6 +4,7 @@ Copyright (C) Jelmer Vernooij 2005 Copyright (C) Martin Kuehl <mkhl@samba.org> 2006 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006 + Copyright (C) Simo Sorce <idra@samba.org> 2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -905,7 +906,11 @@ static int map_subtree_collect_remote(struct ldb_module *module, void *mem_ctx, /* Split subtrees that query attributes in the local partition from * those that query the remote partition. */ -static int ldb_parse_tree_partition(struct ldb_module *module, void *local_ctx, void *remote_ctx, struct ldb_parse_tree **local_tree, struct ldb_parse_tree **remote_tree, const struct ldb_parse_tree *tree) +static int ldb_parse_tree_partition(struct ldb_module *module, + void *mem_ctx, + struct ldb_parse_tree **local_tree, + struct ldb_parse_tree **remote_tree, + const struct ldb_parse_tree *tree) { int ret; @@ -918,13 +923,13 @@ static int ldb_parse_tree_partition(struct ldb_module *module, void *local_ctx, } /* Generate local tree */ - ret = map_subtree_select_local(module, local_ctx, local_tree, tree); + ret = map_subtree_select_local(module, mem_ctx, local_tree, tree); if (ret) { return ret; } /* Generate remote tree */ - ret = map_subtree_collect_remote(module, remote_ctx, remote_tree, tree); + ret = map_subtree_collect_remote(module, mem_ctx, remote_tree, tree); if (ret) { talloc_free(*local_tree); return ret; @@ -1008,24 +1013,46 @@ oom: /* Outbound requests: search * ========================= */ -/* Pass a merged search result up the callback chain. */ -int map_up_callback(struct ldb_context *ldb, const struct ldb_request *req, struct ldb_reply *ares) +static int map_remote_search_callback(struct ldb_request *req, + struct ldb_reply *ares); +static int map_local_merge_callback(struct ldb_request *req, + struct ldb_reply *ares); +static int map_search_local(struct map_context *ac); + +static int map_save_entry(struct map_context *ac, struct ldb_reply *ares) { - int i; + struct map_reply *mr; - /* No callback registered, stop */ - if (req->callback == NULL) { - return LDB_SUCCESS; + mr = talloc_zero(ac, struct map_reply); + if (mr == NULL) { + map_oom(ac->module); + return LDB_ERR_OPERATIONS_ERROR; } - - /* Only records need special treatment */ - if (ares->type != LDB_REPLY_ENTRY) { - return req->callback(ldb, req->context, ares); + mr->remote = talloc_steal(mr, ares); + if (ac->r_current) { + ac->r_current->next = mr; + } else { + /* first entry */ + ac->r_list = mr; } + ac->r_current = mr; + + return LDB_SUCCESS; +} + +/* Pass a merged search result up the callback chain. */ +int map_return_entry(struct map_context *ac, struct ldb_reply *ares) +{ + struct ldb_message_element *el; + const char * const *attrs; + int i; /* Merged result doesn't match original query, skip */ - if (!ldb_match_msg(ldb, ares->message, req->op.search.tree, req->op.search.base, req->op.search.scope)) { - ldb_debug(ldb, LDB_DEBUG_TRACE, "ldb_map: " + if (!ldb_match_msg(ac->module->ldb, ares->message, + ac->req->op.search.tree, + ac->req->op.search.base, + ac->req->op.search.scope)) { + ldb_debug(ac->module->ldb, LDB_DEBUG_TRACE, "ldb_map: " "Skipping record '%s': " "doesn't match original search\n", ldb_dn_get_linearized(ares->message->dn)); @@ -1033,10 +1060,16 @@ int map_up_callback(struct ldb_context *ldb, const struct ldb_request *req, stru } /* Limit result to requested attrs */ - if ((req->op.search.attrs) && (!ldb_attr_in_list(req->op.search.attrs, "*"))) { - for (i = 0; i < ares->message->num_elements; ) { - struct ldb_message_element *el = &ares->message->elements[i]; - if (!ldb_attr_in_list(req->op.search.attrs, el->name)) { + if (ac->req->op.search.attrs && + (! ldb_attr_in_list(ac->req->op.search.attrs, "*"))) { + + attrs = ac->req->op.search.attrs; + i = 0; + + while (i < ares->message->num_elements) { + + el = &ares->message->elements[i]; + if ( ! ldb_attr_in_list(attrs, el->name)) { ldb_msg_remove_element(ares->message, el); } else { i++; @@ -1044,129 +1077,16 @@ int map_up_callback(struct ldb_context *ldb, const struct ldb_request *req, stru } } - return req->callback(ldb, req->context, ares); -} - -/* Merge the remote and local parts of a search result. */ -int map_local_merge_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) -{ - struct map_search_context *sc; - int ret; - - if (context == NULL || ares == NULL) { - ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: " - "NULL Context or Result in `map_local_merge_callback`")); - return LDB_ERR_OPERATIONS_ERROR; - } - - sc = talloc_get_type(context, struct map_search_context); - - switch (ares->type) { - case LDB_REPLY_ENTRY: - /* We have already found a local record */ - if (sc->local_res) { - ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: " - "Too many results to base search for local entry")); - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } - - /* Store local result */ - sc->local_res = ares; - - /* Merge remote into local message */ - ret = ldb_msg_merge_local(sc->ac->module, ares->message, sc->remote_res->message); - if (ret) { - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } - - return map_up_callback(ldb, sc->ac->orig_req, ares); - - case LDB_REPLY_DONE: - /* No local record found, continue with remote record */ - if (sc->local_res == NULL) { - return map_up_callback(ldb, sc->ac->orig_req, sc->remote_res); - } - return LDB_SUCCESS; - - default: - ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: " - "Unexpected result type in base search for local entry")); - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } -} - -/* Search the local part of a remote search result. */ -int map_remote_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) -{ - struct map_context *ac; - struct map_search_context *sc; - struct ldb_request *req; - int ret; - - if (context == NULL || ares == NULL) { - ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: " - "NULL Context or Result in `map_remote_search_callback`")); - return LDB_ERR_OPERATIONS_ERROR; - } - - ac = talloc_get_type(context, struct map_context); - - /* It's not a record, stop searching */ - if (ares->type != LDB_REPLY_ENTRY) { - return map_up_callback(ldb, ac->orig_req, ares); - } - - /* Map result record into a local message */ - ret = map_reply_remote(ac, ares); - if (ret) { - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } - - /* There is no local db, stop searching */ - if (!map_check_local_db(ac->module)) { - return map_up_callback(ldb, ac->orig_req, ares); - } - - /* Prepare local search context */ - sc = map_init_search_context(ac, ares); - if (sc == NULL) { - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } - - /* Prepare local search request */ - /* TODO: use GUIDs here instead? */ - - ac->search_reqs = talloc_realloc(ac, ac->search_reqs, struct ldb_request *, ac->num_searches + 2); - if (ac->search_reqs == NULL) { - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } - - ac->search_reqs[ac->num_searches] - = req = map_search_base_req(ac, ares->message->dn, - NULL, NULL, sc, map_local_merge_callback); - if (req == NULL) { - talloc_free(sc); - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; - } - ac->num_searches++; - ac->search_reqs[ac->num_searches] = NULL; - - return ldb_next_request(ac->module, req); + return ldb_module_send_entry(ac->req, ares->message); } /* Search a record. */ int map_search(struct ldb_module *module, struct ldb_request *req) { - struct ldb_handle *h; + struct ldb_parse_tree *remote_tree; + struct ldb_parse_tree *local_tree; + struct ldb_request *remote_req; struct map_context *ac; - struct ldb_parse_tree *local_tree, *remote_tree; int ret; const char *wildcard[] = { "*", NULL }; @@ -1176,8 +1096,9 @@ int map_search(struct ldb_module *module, struct ldb_request *req) return ldb_next_request(module, req); /* Do not manipulate our control entries */ - if (ldb_dn_is_special(req->op.search.base)) + if (ldb_dn_is_special(req->op.search.base)) { return ldb_next_request(module, req); + } /* No mapping requested, skip to next module */ if ((req->op.search.base) && (!ldb_dn_check_local(module, req->op.search.base))) { @@ -1188,32 +1109,10 @@ int map_search(struct ldb_module *module, struct ldb_request *req) * targetting when there is no search base? */ /* Prepare context and handle */ - h = map_init_handle(req, module); - if (h == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - ac = talloc_get_type(h->private_data, struct map_context); - - ac->search_reqs = talloc_array(ac, struct ldb_request *, 2); - if (ac->search_reqs == NULL) { - talloc_free(h); + ac = map_init_context(module, req); + if (ac == NULL) { return LDB_ERR_OPERATIONS_ERROR; } - ac->num_searches = 1; - ac->search_reqs[1] = NULL; - - /* Prepare the remote operation */ - ac->search_reqs[0] = talloc(ac, struct ldb_request); - if (ac->search_reqs[0] == NULL) { - goto oom; - } - - *(ac->search_reqs[0]) = *req; /* copy the request */ - - ac->search_reqs[0]->handle = h; /* return our own handle to deal with this call */ - - ac->search_reqs[0]->context = ac; - ac->search_reqs[0]->callback = map_remote_search_callback; /* It is easier to deal with the two different ways of * expressing the wildcard in the same codepath */ @@ -1226,17 +1125,15 @@ int map_search(struct ldb_module *module, struct ldb_request *req) ret = map_attrs_collect_and_partition(module, ac, attrs, req->op.search.tree); if (ret) { - goto failed; + return LDB_ERR_OPERATIONS_ERROR; } - ac->search_reqs[0]->op.search.attrs = ac->remote_attrs; - /* Split local from remote tree */ - ret = ldb_parse_tree_partition(module, ac, ac->search_reqs[0], - &local_tree, &remote_tree, + ret = ldb_parse_tree_partition(module, ac, + &local_tree, &remote_tree, req->op.search.tree); if (ret) { - goto failed; + return LDB_ERR_OPERATIONS_ERROR; } if (((local_tree != NULL) && (remote_tree != NULL)) && @@ -1251,7 +1148,7 @@ int map_search(struct ldb_module *module, struct ldb_request *req) local_tree = talloc_zero(ac, struct ldb_parse_tree); if (local_tree == NULL) { map_oom(ac->module); - goto failed; + return LDB_ERR_OPERATIONS_ERROR; } local_tree->operation = LDB_OP_PRESENT; @@ -1259,31 +1156,209 @@ int map_search(struct ldb_module *module, struct ldb_request *req) } if (remote_tree == NULL) { /* Construct default remote parse tree */ - remote_tree = ldb_parse_tree(ac->search_reqs[0], NULL); + remote_tree = ldb_parse_tree(ac, NULL); if (remote_tree == NULL) { - goto failed; + return LDB_ERR_OPERATIONS_ERROR; } } ac->local_tree = local_tree; - ac->search_reqs[0]->op.search.tree = remote_tree; - ldb_set_timeout_from_prev_req(module->ldb, req, ac->search_reqs[0]); + /* Prepare the remote operation */ + ret = ldb_build_search_req_ex(&remote_req, module->ldb, ac, + req->op.search.base, + req->op.search.scope, + remote_tree, + ac->remote_attrs, + req->controls, + ac, map_remote_search_callback, + req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } - h->state = LDB_ASYNC_INIT; - h->status = LDB_SUCCESS; + return ldb_next_remote_request(module, remote_req); +} + +/* Now, search the local part of a remote search result. */ +static int map_remote_search_callback(struct ldb_request *req, + struct ldb_reply *ares) +{ + struct map_context *ac; + int ret; - ac->step = MAP_SEARCH_REMOTE; + ac = talloc_get_type(req->context, struct map_context); - ret = ldb_next_remote_request(module, ac->search_reqs[0]); - if (ret == LDB_SUCCESS) { - req->handle = h; + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); } - return ret; -oom: - map_oom(module); -failed: - talloc_free(h); - return LDB_ERR_OPERATIONS_ERROR; + switch (ares->type) { + case LDB_REPLY_REFERRAL: + + /* ignore referrals */ + talloc_free(ares); + return LDB_SUCCESS; + + case LDB_REPLY_ENTRY: + + /* Map result record into a local message */ + ret = map_reply_remote(ac, ares); + if (ret) { + talloc_free(ares); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + + /* if we have no local db, then we can just return the reply to + * the upper layer, otherwise we must save it and process it + * when all replies ahve been gathered */ + if ( ! map_check_local_db(ac->module)) { + ret = map_return_entry(ac, ares); + } else { + ret = map_save_entry(ac,ares); + } + + if (ret != LDB_SUCCESS) { + talloc_free(ares); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + break; + + case LDB_REPLY_DONE: + + if ( ! map_check_local_db(ac->module)) { + return ldb_module_done(ac->req, ares->controls, + ares->response, LDB_SUCCESS); + } + + talloc_free(ares); + + /* reset the pointer to the start of the list */ + ac->r_current = ac->r_list; + + /* no entry just return */ + if (ac->r_current == NULL) { + return ldb_module_done(ac->req, ares->controls, + ares->response, LDB_SUCCESS); + } + + ret = map_search_local(ac); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, ret); + } + } + + return LDB_SUCCESS; +} + +static int map_search_local(struct map_context *ac) +{ + struct ldb_request *search_req; + + if (ac->r_current == NULL || ac->r_current->remote == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + /* Prepare local search request */ + /* TODO: use GUIDs here instead? */ + search_req = map_search_base_req(ac, + ac->r_current->remote->message->dn, + NULL, NULL, + ac, map_local_merge_callback); + if (search_req == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + return ldb_next_request(ac->module, search_req); +} + +/* Merge the remote and local parts of a search result. */ +int map_local_merge_callback(struct ldb_request *req, struct ldb_reply *ares) +{ + struct map_context *ac; + int ret; + + ac = talloc_get_type(req->context, struct map_context); + + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } + + switch (ares->type) { + case LDB_REPLY_ENTRY: + /* We have already found a local record */ + if (ac->r_current->local) { + talloc_free(ares); + ldb_set_errstring(ac->module->ldb, "ldb_map: Too many results!"); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + + /* Store local result */ + ac->r_current->local = talloc_steal(ac->r_current, ares); + + break; + + case LDB_REPLY_REFERRAL: + /* ignore referrals */ + talloc_free(ares); + break; + + case LDB_REPLY_DONE: + talloc_free(ares); + + /* No local record found, map and send remote record */ + if (ac->r_current->local != NULL) { + /* Merge remote into local message */ + ret = ldb_msg_merge_local(ac->module, + ac->r_current->local->message, + ac->r_current->remote->message); + if (ret == LDB_SUCCESS) { + ret = map_return_entry(ac, ac->r_current->local); + } + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + } else { + ret = map_return_entry(ac, ac->r_current->remote); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, + NULL, NULL, ret); + } + } + + if (ac->r_current->next != NULL) { + ac->r_current = ac->r_current->next; + if (ac->r_current->remote->type == LDB_REPLY_ENTRY) { + ret = map_search_local(ac); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, + NULL, NULL, ret); + } + break; + } + } + + /* ok we are done with all search, finally it is time to + * finish operations for this module */ + return ldb_module_done(ac->req, + ac->r_current->remote->controls, + ac->r_current->remote->response, + ac->r_current->remote->error); + } + + return LDB_SUCCESS; } diff --git a/source4/lib/ldb/ldb_map/ldb_map_private.h b/source4/lib/ldb/ldb_map/ldb_map_private.h index 58a9f2704e..5522125344 100644 --- a/source4/lib/ldb/ldb_map/ldb_map_private.h +++ b/source4/lib/ldb/ldb_map/ldb_map_private.h @@ -3,7 +3,7 @@ #define map_oom(module) ldb_set_errstring(module->ldb, talloc_asprintf(module, "Out of Memory")); /* The type of search callback functions */ -typedef int (*ldb_search_callback)(struct ldb_context *, void *, struct ldb_reply *); +typedef int (*ldb_map_callback_t)(struct ldb_request *, struct ldb_reply *); /* The special DN from which the local and remote base DNs are fetched */ #define MAP_DN_NAME "@MAP" @@ -13,25 +13,17 @@ typedef int (*ldb_search_callback)(struct ldb_context *, void *, struct ldb_repl /* Private data structures * ======================= */ +struct map_reply { + struct map_reply *next; + struct ldb_reply *remote; + struct ldb_reply *local; +}; + /* Context data for mapped requests */ struct map_context { - enum map_step { - MAP_SEARCH_REMOTE, - MAP_ADD_REMOTE, - MAP_ADD_LOCAL, - MAP_SEARCH_SELF_MODIFY, - MAP_MODIFY_REMOTE, - MAP_MODIFY_LOCAL, - MAP_SEARCH_SELF_DELETE, - MAP_DELETE_REMOTE, - MAP_DELETE_LOCAL, - MAP_SEARCH_SELF_RENAME, - MAP_RENAME_REMOTE, - MAP_RENAME_FIXUP, - MAP_RENAME_LOCAL - } step; struct ldb_module *module; + struct ldb_request *req; struct ldb_dn *local_dn; const struct ldb_parse_tree *local_tree; @@ -39,32 +31,20 @@ struct map_context { const char * const *remote_attrs; const char * const *all_attrs; - struct ldb_request *orig_req; - struct ldb_request *local_req; + struct ldb_message *local_msg; struct ldb_request *remote_req; - struct ldb_request *down_req; - struct ldb_request *search_req; - - /* for search, we may have a lot of contexts */ - int num_searches; - struct ldb_request **search_reqs; -}; -/* Context data for mapped search requests */ -struct map_search_context { - struct map_context *ac; - struct ldb_reply *local_res; - struct ldb_reply *remote_res; + struct map_reply *r_list; + struct map_reply *r_current; }; - /* Common operations * ================= */ /* The following definitions come from lib/ldb/modules/ldb_map.c */ const struct ldb_map_context *map_get_context(struct ldb_module *module); -struct map_search_context *map_init_search_context(struct map_context *ac, struct ldb_reply *ares); -struct ldb_handle *map_init_handle(struct ldb_request *req, struct ldb_module *module); +struct map_context *map_init_context(struct ldb_module *module, + struct ldb_request *req); int ldb_next_remote_request(struct ldb_module *module, struct ldb_request *request); @@ -86,25 +66,23 @@ struct ldb_dn *ldb_dn_map_local(struct ldb_module *module, void *mem_ctx, struct struct ldb_dn *ldb_dn_map_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn); struct ldb_dn *ldb_dn_map_rebase_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn); -struct ldb_request *map_search_base_req(struct map_context *ac, struct ldb_dn *dn, const char * const *attrs, const struct ldb_parse_tree *tree, void *context, ldb_search_callback callback); -struct ldb_request *map_search_self_req(struct map_context *ac, struct ldb_dn *dn); -struct ldb_request *map_build_fixup_req(struct map_context *ac, struct ldb_dn *olddn, struct ldb_dn *newdn); - -int map_subtree_collect_remote_simple(struct ldb_module *module, void *mem_ctx, struct ldb_parse_tree **new, const struct ldb_parse_tree *tree, const struct ldb_map_attribute *map); - -/* LDB Requests - * ============ */ - -/* The following definitions come from lib/ldb/modules/ldb_map_inbound.c */ -int map_add_do_remote(struct ldb_handle *handle); -int map_add_do_local(struct ldb_handle *handle); - -int map_modify_do_remote(struct ldb_handle *handle); -int map_modify_do_local(struct ldb_handle *handle); - -int map_delete_do_remote(struct ldb_handle *handle); -int map_delete_do_local(struct ldb_handle *handle); - -int map_rename_do_remote(struct ldb_handle *handle); -int map_rename_do_fixup(struct ldb_handle *handle); -int map_rename_do_local(struct ldb_handle *handle); +struct ldb_request *map_search_base_req(struct map_context *ac, + struct ldb_dn *dn, + const char * const *attrs, + const struct ldb_parse_tree *tree, + void *context, + ldb_map_callback_t callback); +struct ldb_request *map_build_fixup_req(struct map_context *ac, + struct ldb_dn *olddn, + struct ldb_dn *newdn, + void *context, + ldb_map_callback_t callback); +int map_subtree_collect_remote_simple(struct ldb_module *module, void *mem_ctx, + struct ldb_parse_tree **new, + const struct ldb_parse_tree *tree, + const struct ldb_map_attribute *map); +int map_return_fatal_error(struct ldb_request *req, + struct ldb_reply *ares); +int map_return_normal_error(struct ldb_request *req, + struct ldb_reply *ares, + int error); diff --git a/source4/lib/ldb/modules/asq.c b/source4/lib/ldb/modules/asq.c index eb27263b16..17896a006a 100644 --- a/source4/lib/ldb/modules/asq.c +++ b/source4/lib/ldb/modules/asq.c @@ -1,7 +1,7 @@ /* ldb database library - Copyright (C) Simo Sorce 2005 + Copyright (C) Simo Sorce 2005-2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -36,10 +36,10 @@ struct asq_context { - enum {ASQ_INIT, ASQ_SEARCH_BASE, ASQ_SEARCH_MULTI} step; + enum {ASQ_SEARCH_BASE, ASQ_SEARCH_MULTI} step; struct ldb_module *module; - struct ldb_request *orig_req; + struct ldb_request *req; struct ldb_asq_control *asq_ctrl; @@ -52,7 +52,6 @@ struct asq_context { ASQ_CTRL_AFFECTS_MULTIPLE_DSA = 71 } asq_ret; - struct ldb_request *base_req; struct ldb_reply *base_res; struct ldb_request **reqs; @@ -62,192 +61,200 @@ struct asq_context { struct ldb_control **controls; }; -static struct ldb_handle *init_handle(struct ldb_request *req, struct ldb_module *module) +static struct asq_context *asq_context_init(struct ldb_module *module, struct ldb_request *req) { struct asq_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 asq_context); + ac = talloc_zero(req, struct asq_context); if (ac == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - talloc_free(h); + ldb_oom(module->ldb); return NULL; } - h->private_data = (void *)ac; - - h->state = LDB_ASYNC_INIT; - h->status = LDB_SUCCESS; - - ac->step = ASQ_INIT; ac->module = module; - ac->orig_req = req; + ac->req = req; - return h; + return ac; } -static int asq_terminate(struct ldb_handle *handle) +static int asq_search_continue(struct asq_context *ac); + +static int asq_search_terminate(struct asq_context *ac) { - struct asq_context *ac; - struct ldb_reply *ares; struct ldb_asq_control *asq; int i; - ac = talloc_get_type(handle->private_data, struct asq_context); - if (ac == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - - handle->status = LDB_SUCCESS; - handle->state = LDB_ASYNC_DONE; - - ares = talloc_zero(ac, struct ldb_reply); - if (ares == NULL) - return LDB_ERR_OPERATIONS_ERROR; - - ares->type = LDB_REPLY_DONE; - if (ac->controls) { - for (i = 0; ac->controls[i]; i++); - ares->controls = talloc_move(ares, &ac->controls); + for (i = 0; ac->controls[i]; i++) /* count em */ ; } else { i = 0; } - ares->controls = talloc_realloc(ares, ares->controls, struct ldb_control *, i + 2); - - if (ares->controls == NULL) + ac->controls = talloc_realloc(ac, ac->controls, struct ldb_control *, i + 2); + + if (ac->controls == NULL) { return LDB_ERR_OPERATIONS_ERROR; + } - ares->controls[i] = talloc(ares->controls, struct ldb_control); - if (ares->controls[i] == NULL) + ac->controls[i] = talloc(ac->controls, struct ldb_control); + if (ac->controls[i] == NULL) { return LDB_ERR_OPERATIONS_ERROR; + } - ares->controls[i]->oid = LDB_CONTROL_ASQ_OID; - ares->controls[i]->critical = 0; + ac->controls[i]->oid = LDB_CONTROL_ASQ_OID; + ac->controls[i]->critical = 0; - asq = talloc_zero(ares->controls[i], struct ldb_asq_control); + asq = talloc_zero(ac->controls[i], struct ldb_asq_control); if (asq == NULL) return LDB_ERR_OPERATIONS_ERROR; asq->result = ac->asq_ret; - - ares->controls[i]->data = asq; - ares->controls[i + 1] = NULL; + ac->controls[i]->data = asq; - ac->orig_req->callback(ac->module->ldb, ac->orig_req->context, ares); + ac->controls[i + 1] = NULL; - return LDB_SUCCESS; + return ldb_module_done(ac->req, ac->controls, NULL, LDB_SUCCESS); } -static int asq_base_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) +static int asq_base_callback(struct ldb_request *req, struct ldb_reply *ares) { struct asq_context *ac; + int ret; - if (!context || !ares) { - ldb_set_errstring(ldb, "NULL Context or Result in callback"); - goto error; - } + ac = talloc_get_type(req->context, struct asq_context); - ac = talloc_get_type(context, struct asq_context); - if (ac == NULL) { - goto error; + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); } - /* we are interested only in the single reply (base search) we receive here */ - if (ares->type == LDB_REPLY_ENTRY) { + switch (ares->type) { + case LDB_REPLY_ENTRY: ac->base_res = talloc_move(ac, &ares); - } else { + break; + + case LDB_REPLY_REFERRAL: + /* ignore referrals */ talloc_free(ares); - } + break; + case LDB_REPLY_DONE: + + talloc_free(ares); + + /* next step */ + ret = asq_search_continue(ac); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, ret); + } + break; + + } return LDB_SUCCESS; -error: - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; } -static int asq_reqs_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) +static int asq_reqs_callback(struct ldb_request *req, struct ldb_reply *ares) { struct asq_context *ac; + int ret; - if (!context || !ares) { - ldb_set_errstring(ldb, "NULL Context or Result in callback"); - goto error; - } + ac = talloc_get_type(req->context, struct asq_context); - ac = talloc_get_type(context, struct asq_context); - if (ac == NULL) { - goto error; + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); } - /* we are interested only in the single reply (base search) we receive here */ - if (ares->type == LDB_REPLY_ENTRY) { - + switch (ares->type) { + case LDB_REPLY_ENTRY: /* pass the message up to the original callback as we * do not have to elaborate on it any further */ - return ac->orig_req->callback(ac->module->ldb, ac->orig_req->context, ares); - - } else { /* ignore any REFERRAL or DONE reply */ + ret = ldb_module_send_entry(ac->req, ares->message); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, ret); + } + talloc_free(ares); + break; + + case LDB_REPLY_REFERRAL: + /* ignore referrals */ + talloc_free(ares); + break; + + case LDB_REPLY_DONE: + talloc_free(ares); + + ret = asq_search_continue(ac); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, ret); + } + break; } return LDB_SUCCESS; -error: - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; } -static int asq_build_first_request(struct asq_context *ac) +static int asq_build_first_request(struct asq_context *ac, struct ldb_request **base_req) { - char **base_attrs; + const char **base_attrs; + int ret; - ac->base_req = talloc_zero(ac, struct ldb_request); - if (ac->base_req == NULL) return LDB_ERR_OPERATIONS_ERROR; + ac->req_attrs = ac->req->op.search.attrs; + ac->req_attribute = talloc_strdup(ac, ac->asq_ctrl->source_attribute); + if (ac->req_attribute == NULL) + return LDB_ERR_OPERATIONS_ERROR; - ac->base_req->operation = ac->orig_req->operation; - ac->base_req->op.search.base = ac->orig_req->op.search.base; - ac->base_req->op.search.scope = LDB_SCOPE_BASE; - ac->base_req->op.search.tree = ac->orig_req->op.search.tree; - base_attrs = talloc_array(ac->base_req, char *, 2); + base_attrs = talloc_array(ac, const char *, 2); if (base_attrs == NULL) return LDB_ERR_OPERATIONS_ERROR; base_attrs[0] = talloc_strdup(base_attrs, ac->asq_ctrl->source_attribute); if (base_attrs[0] == NULL) return LDB_ERR_OPERATIONS_ERROR; base_attrs[1] = NULL; - ac->base_req->op.search.attrs = (const char * const *)base_attrs; - ac->base_req->context = ac; - ac->base_req->callback = asq_base_callback; - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->base_req); + ret = ldb_build_search_req_ex(base_req, ac->module->ldb, ac, + ac->req->op.search.base, + LDB_SCOPE_BASE, + ac->req->op.search.tree, + (const char * const *)base_attrs, + NULL, + ac, asq_base_callback, + ac->req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; + } return LDB_SUCCESS; } -static int asq_build_multiple_requests(struct asq_context *ac, struct ldb_handle *handle) +static int asq_build_multiple_requests(struct asq_context *ac, bool *terminated) { + struct ldb_control **saved_controls; + struct ldb_control *control; + struct ldb_dn *dn; struct ldb_message_element *el; - int i; + int ret, i; - /* look up the DNs */ if (ac->base_res == NULL) { return LDB_ERR_NO_SUCH_OBJECT; } + el = ldb_msg_find_element(ac->base_res->message, ac->req_attribute); /* no values found */ if (el == NULL) { ac->asq_ret = ASQ_CTRL_SUCCESS; - return asq_terminate(handle); + *terminated = true; + return asq_search_terminate(ac); } ac->num_reqs = el->num_values; @@ -259,144 +266,75 @@ static int asq_build_multiple_requests(struct asq_context *ac, struct ldb_handle for (i = 0; i < el->num_values; i++) { - ac->reqs[i] = talloc_zero(ac->reqs, struct ldb_request); - if (ac->reqs[i] == NULL) - return LDB_ERR_OPERATIONS_ERROR; - ac->reqs[i]->operation = LDB_SEARCH; - ac->reqs[i]->op.search.base = ldb_dn_new(ac->reqs[i], ac->module->ldb, (const char *)el->values[i].data); - if ( ! ldb_dn_validate(ac->reqs[i]->op.search.base)) { + dn = ldb_dn_new(ac, ac->module->ldb, + (const char *)el->values[i].data); + if ( ! ldb_dn_validate(dn)) { ac->asq_ret = ASQ_CTRL_INVALID_ATTRIBUTE_SYNTAX; - return asq_terminate(handle); + *terminated = true; + return asq_search_terminate(ac); + } + + ret = ldb_build_search_req_ex(&ac->reqs[i], + ac->module->ldb, ac, + dn, LDB_SCOPE_BASE, + ac->req->op.search.tree, + ac->req_attrs, + ac->req->controls, + ac, asq_reqs_callback, + ac->req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; } - ac->reqs[i]->op.search.scope = LDB_SCOPE_BASE; - ac->reqs[i]->op.search.tree = ac->base_req->op.search.tree; - ac->reqs[i]->op.search.attrs = ac->req_attrs; - ac->reqs[i]->context = ac; - ac->reqs[i]->callback = asq_reqs_callback; - ldb_set_timeout_from_prev_req(ac->module->ldb, ac->base_req, ac->reqs[i]); + /* remove the ASQ control itself */ + control = ldb_request_get_control(ac->req, LDB_CONTROL_ASQ_OID); + if (!save_controls(control, ac->reqs[i], &saved_controls)) { + return LDB_ERR_OPERATIONS_ERROR; + } } return LDB_SUCCESS; } -static int asq_search_continue(struct ldb_handle *handle) +static int asq_search_continue(struct asq_context *ac) { - struct asq_context *ac; + bool terminated = false; int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; - } - - if (handle->state == LDB_ASYNC_DONE) { - return handle->status; - } - - ac = talloc_get_type(handle->private_data, struct asq_context); - if (ac == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } switch (ac->step) { - case ASQ_INIT: - /* check the search is well formed */ - if (ac->orig_req->op.search.scope != LDB_SCOPE_BASE) { - ac->asq_ret = ASQ_CTRL_UNWILLING_TO_PERFORM; - return asq_terminate(handle); - } - - ac->req_attrs = ac->orig_req->op.search.attrs; - ac->req_attribute = talloc_strdup(ac, ac->asq_ctrl->source_attribute); - if (ac->req_attribute == NULL) - return LDB_ERR_OPERATIONS_ERROR; - - /* get the object to retrieve the DNs to search */ - ret = asq_build_first_request(ac); - if (ret != LDB_SUCCESS) { - return ret; - } - - ac->step = ASQ_SEARCH_BASE; - - handle->state = LDB_ASYNC_PENDING; - handle->status = LDB_SUCCESS; - - return ldb_request(ac->module->ldb, ac->base_req); - case ASQ_SEARCH_BASE: - ret = ldb_wait(ac->base_req->handle, LDB_WAIT_NONE); - - if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - - if (ac->base_req->handle->status != LDB_SUCCESS) { - handle->status = ac->base_req->handle->status; - goto done; + /* build up the requests call chain */ + ret = asq_build_multiple_requests(ac, &terminated); + if (ret != LDB_SUCCESS || terminated) { + return ret; } - if (ac->base_req->handle->state == LDB_ASYNC_DONE) { + ac->step = ASQ_SEARCH_MULTI; - /* build up the requests call chain */ - ret = asq_build_multiple_requests(ac, handle); - if (ret != LDB_SUCCESS) { - return ret; - } - if (handle->state == LDB_ASYNC_DONE) { - return LDB_SUCCESS; - } - - ac->step = ASQ_SEARCH_MULTI; - - return ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]); - } - - /* request still pending, return to cycle again */ - return LDB_SUCCESS; + return ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]); case ASQ_SEARCH_MULTI: - ret = ldb_wait(ac->reqs[ac->cur_req]->handle, LDB_WAIT_NONE); - - if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - if (ac->reqs[ac->cur_req]->handle->status != LDB_SUCCESS) { - handle->status = ac->reqs[ac->cur_req]->handle->status; - } - - if (ac->reqs[ac->cur_req]->handle->state == LDB_ASYNC_DONE) { - ac->cur_req++; + ac->cur_req++; - if (ac->cur_req < ac->num_reqs) { - return ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]); - } - - return asq_terminate(handle); + if (ac->cur_req == ac->num_reqs) { + /* done */ + return asq_search_terminate(ac); } - /* request still pending, return to cycle again */ - return LDB_SUCCESS; - - default: - ret = LDB_ERR_OPERATIONS_ERROR; - break; + return ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]); } -done: - handle->state = LDB_ASYNC_DONE; - return ret; + return LDB_ERR_OPERATIONS_ERROR; } static int asq_search(struct ldb_module *module, struct ldb_request *req) { + struct ldb_request *base_req; struct ldb_control *control; struct asq_context *ac; - struct ldb_handle *h; + int ret; /* check if there's a paged request control */ control = ldb_request_get_control(req, LDB_CONTROL_ASQ_OID); @@ -405,67 +343,37 @@ static int asq_search(struct ldb_module *module, struct ldb_request *req) return ldb_next_request(module, req); } - req->handle = NULL; - - if (!req->callback || !req->context) { - ldb_set_errstring(module->ldb, - "Async interface called with NULL callback function or NULL context"); + ac = asq_context_init(module, req); + if (!ac) { return LDB_ERR_OPERATIONS_ERROR; } - h = init_handle(req, module); - if (!h) { - return LDB_ERR_OPERATIONS_ERROR; + /* check the search is well formed */ + if (req->op.search.scope != LDB_SCOPE_BASE) { + ac->asq_ret = ASQ_CTRL_UNWILLING_TO_PERFORM; + return asq_search_terminate(ac); } - ac = talloc_get_type(h->private_data, struct asq_context); ac->asq_ctrl = talloc_get_type(control->data, struct ldb_asq_control); if (!ac->asq_ctrl) { return LDB_ERR_PROTOCOL_ERROR; } - req->handle = h; - - return asq_search_continue(h); -} - -static int asq_wait(struct ldb_handle *handle, enum ldb_wait_type type) -{ - int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; + ret = asq_build_first_request(ac, &base_req); + if (ret != LDB_SUCCESS) { + return ret; } - if (type == LDB_WAIT_ALL) { - while (handle->state != LDB_ASYNC_DONE) { - ret = asq_search_continue(handle); - if (ret != LDB_SUCCESS) { - return ret; - } - } - - return handle->status; - } + ac->step = ASQ_SEARCH_BASE; - return asq_search_continue(handle); + return ldb_request(module->ldb, base_req); } static int asq_init(struct ldb_module *module) { - struct ldb_request *req; int ret; - req = talloc_zero(module, struct ldb_request); - if (req == NULL) { - ldb_debug(module->ldb, LDB_DEBUG_ERROR, "asq: Out of memory!\n"); - return LDB_ERR_OPERATIONS_ERROR; - } - - req->operation = LDB_REQ_REGISTER_CONTROL; - req->op.reg_control.oid = LDB_CONTROL_ASQ_OID; - - ret = ldb_request(module->ldb, req); + ret = ldb_mod_register_control(module, LDB_CONTROL_ASQ_OID); if (ret != LDB_SUCCESS) { ldb_debug(module->ldb, LDB_DEBUG_WARNING, "asq: Unable to register control with rootdse!\n"); } @@ -476,6 +384,5 @@ static int asq_init(struct ldb_module *module) const struct ldb_module_ops ldb_asq_module_ops = { .name = "asq", .search = asq_search, - .wait = asq_wait, .init_context = asq_init }; diff --git a/source4/lib/ldb/modules/operational.c b/source4/lib/ldb/modules/operational.c index a59e81becd..abb1d4ca1a 100644 --- a/source4/lib/ldb/modules/operational.c +++ b/source4/lib/ldb/modules/operational.c @@ -2,7 +2,7 @@ ldb database library Copyright (C) Andrew Tridgell 2005 - Copyright (C) Simo Sorce 2006 + Copyright (C) Simo Sorce 2006-2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -173,38 +173,53 @@ failed: */ struct operational_context { - struct ldb_module *module; - void *up_context; - int (*up_callback)(struct ldb_context *, void *, struct ldb_reply *); + struct ldb_request *req; const char * const *attrs; }; -static int operational_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) +static int operational_callback(struct ldb_request *req, struct ldb_reply *ares) { struct operational_context *ac; + int ret; - if (!context || !ares) { - ldb_set_errstring(ldb, "NULL Context or Result in callback"); - goto error; - } + ac = talloc_get_type(req->context, struct operational_context); - ac = talloc_get_type(context, struct operational_context); + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } - if (ares->type == LDB_REPLY_ENTRY) { + switch (ares->type) { + case LDB_REPLY_ENTRY: /* for each record returned post-process to add any derived attributes that have been asked for */ - if (operational_search_post_process(ac->module, ares->message, ac->attrs) != 0) { - goto error; + ret = operational_search_post_process(ac->module, + ares->message, + ac->attrs); + if (ret != 0) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - } + return ldb_module_send_entry(ac->req, ares->message); - return ac->up_callback(ldb, ac->up_context, ares); + case LDB_REPLY_REFERRAL: + /* ignore referrals */ + break; + + case LDB_REPLY_DONE: + + return ldb_module_done(ac->req, ares->controls, + ares->response, LDB_SUCCESS); + } -error: talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; + return LDB_SUCCESS; } static int operational_search(struct ldb_module *module, struct ldb_request *req) @@ -212,9 +227,8 @@ static int operational_search(struct ldb_module *module, struct ldb_request *req struct operational_context *ac; struct ldb_request *down_req; const char **search_attrs = NULL; - int i, a, ret; - - req->handle = NULL; + int i, a; + int ret; ac = talloc(req, struct operational_context); if (ac == NULL) { @@ -222,21 +236,10 @@ static int operational_search(struct ldb_module *module, struct ldb_request *req } ac->module = module; - ac->up_context = req->context; - ac->up_callback = req->callback; + ac->req = req; ac->attrs = req->op.search.attrs; - down_req = talloc_zero(req, struct ldb_request); - if (down_req == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - - down_req->operation = req->operation; - down_req->op.search.base = req->op.search.base; - down_req->op.search.scope = req->op.search.scope; - down_req->op.search.tree = req->op.search.tree; - - /* FIXME: I hink we should copy the tree and keep the original + /* FIXME: We must copy the tree and keep the original * unmodified. SSS */ /* replace any attributes in the parse tree that are searchable, but are stored using a different name in the @@ -264,27 +267,26 @@ static int operational_search(struct ldb_module *module, struct ldb_request *req } } } - - /* use new set of attrs if any */ - if (search_attrs) down_req->op.search.attrs = search_attrs; - else down_req->op.search.attrs = req->op.search.attrs; - - down_req->controls = req->controls; - - down_req->context = ac; - down_req->callback = operational_callback; - ldb_set_timeout_from_prev_req(module->ldb, req, down_req); - /* perform the search */ - ret = ldb_next_request(module, down_req); + /* use new set of attrs if any */ + if (search_attrs == NULL) { + search_attrs = req->op.search.attrs; + } - /* do not free down_req as the call results may be linked to it, - * it will be freed when the upper level request get freed */ - if (ret == LDB_SUCCESS) { - req->handle = down_req->handle; + ret = ldb_build_search_req_ex(&down_req, module->ldb, ac, + req->op.search.base, + req->op.search.scope, + req->op.search.tree, + (const char * const *)search_attrs, + req->controls, + ac, operational_callback, + req); + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; } - return ret; + /* perform the search */ + return ldb_next_request(module, down_req); } static int operational_init(struct ldb_module *ctx) diff --git a/source4/lib/ldb/modules/paged_results.c b/source4/lib/ldb/modules/paged_results.c index b62b1f92cb..d3bb83bbcd 100644 --- a/source4/lib/ldb/modules/paged_results.c +++ b/source4/lib/ldb/modules/paged_results.c @@ -1,7 +1,7 @@ /* ldb database library - Copyright (C) Simo Sorce 2005-2006 + Copyright (C) Simo Sorce 2005-2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -51,9 +51,8 @@ struct results_store { char *cookie; time_t timestamp; - struct results_store *prev; struct results_store *next; - + struct message_store *first; struct message_store *last; int num_entries; @@ -62,8 +61,6 @@ struct results_store { struct message_store *last_ref; struct ldb_control **controls; - - struct ldb_request *req; }; struct private_data { @@ -73,20 +70,25 @@ struct private_data { }; -int store_destructor(struct results_store *store) +int store_destructor(struct results_store *del) { - if (store->prev) { - store->prev->next = store->next; - } - if (store->next) { - store->next->prev = store->prev; + struct private_data *priv = del->priv; + struct results_store *loop; + + if (priv->store == del) { + priv->store = del->next; + return 0; } - if (store == store->priv->store) { - store->priv->store = NULL; + for (loop = priv->store; loop; loop = loop->next) { + if (loop->next == del) { + loop->next = del->next; + return 0; + } } - return 0; + /* is not in list ? */ + return -1; } static struct results_store *new_store(struct private_data *priv) @@ -116,10 +118,7 @@ static struct results_store *new_store(struct private_data *priv) newr->first_ref = NULL; newr->controls = NULL; - /* put this entry as first */ - newr->prev = NULL; newr->next = priv->store; - if (priv->store != NULL) priv->store->prev = newr; priv->store = newr; talloc_set_destructor(newr, store_destructor); @@ -129,101 +128,164 @@ static struct results_store *new_store(struct private_data *priv) struct paged_context { struct ldb_module *module; - void *up_context; - int (*up_callback)(struct ldb_context *, void *, struct ldb_reply *); - - int size; + struct ldb_request *req; struct results_store *store; + int size; + struct ldb_control **controls; }; -static struct ldb_handle *init_handle(void *mem_ctx, struct ldb_module *module, - void *context, - int (*callback)(struct ldb_context *, void *, struct ldb_reply *)) +static int paged_results(struct paged_context *ac) { - struct paged_context *ac; - struct ldb_handle *h; + struct ldb_paged_control *paged; + struct message_store *msg; + int i, num_ctrls, ret; - h = talloc_zero(mem_ctx, struct ldb_handle); - if (h == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - return NULL; + if (ac->store == NULL) { + return LDB_ERR_OPERATIONS_ERROR; } - h->module = module; + while (ac->store->num_entries > 0 && ac->size > 0) { + msg = ac->store->first; + ret = ldb_module_send_entry(ac->req, msg->r->message); + if (ret != LDB_SUCCESS) { + return ret; + } - ac = talloc_zero(h, struct paged_context); - if (ac == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - talloc_free(h); - return NULL; + ac->store->first = msg->next; + talloc_free(msg); + ac->store->num_entries--; + ac->size--; } - h->private_data = (void *)ac; + while (ac->store->first_ref != NULL) { + msg = ac->store->first_ref; + ret = ldb_module_send_referral(ac->req, msg->r->referral); + if (ret != LDB_SUCCESS) { + return ret; + } - h->state = LDB_ASYNC_INIT; - h->status = LDB_SUCCESS; + ac->store->first_ref = msg->next; + talloc_free(msg); + } - ac->module = module; - ac->up_context = context; - ac->up_callback = callback; + /* return result done */ + num_ctrls = 1; + i = 0; + + if (ac->store->controls != NULL) { + while (ac->store->controls[i]) i++; /* counting */ + + num_ctrls += i; + } + + ac->controls = talloc_array(ac, struct ldb_control *, num_ctrls +1); + if (ac->controls == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + ac->controls[num_ctrls] = NULL; + + for (i = 0; i < (num_ctrls -1); i++) { + ac->controls[i] = talloc_reference(ac->controls, ac->store->controls[i]); + } + + ac->controls[i] = talloc(ac->controls, struct ldb_control); + if (ac->controls[i] == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } - return h; + ac->controls[i]->oid = talloc_strdup(ac->controls[i], + LDB_CONTROL_PAGED_RESULTS_OID); + if (ac->controls[i]->oid == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + ac->controls[i]->critical = 0; + + paged = talloc(ac->controls[i], struct ldb_paged_control); + if (paged == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + ac->controls[i]->data = paged; + + if (ac->size > 0) { + paged->size = 0; + paged->cookie = NULL; + paged->cookie_len = 0; + } else { + paged->size = ac->store->num_entries; + paged->cookie = talloc_strdup(paged, ac->store->cookie); + paged->cookie_len = strlen(paged->cookie) + 1; + } + + return LDB_SUCCESS; } -static int paged_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) +static int paged_search_callback(struct ldb_request *req, struct ldb_reply *ares) { - struct paged_context *ac = NULL; + struct paged_context *ac ; + struct message_store *msg_store; + int ret; - if (!context || !ares) { - ldb_set_errstring(ldb, "NULL Context or Result in callback"); - goto error; + ac = talloc_get_type(req->context, struct paged_context); + + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); } - ac = talloc_get_type(context, struct paged_context); + switch (ares->type) { + case LDB_REPLY_ENTRY: + msg_store = talloc(ac->store, struct message_store); + if (msg_store == NULL) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + msg_store->next = NULL; + msg_store->r = talloc_steal(msg_store, ares); - if (ares->type == LDB_REPLY_ENTRY) { if (ac->store->first == NULL) { - ac->store->first = ac->store->last = talloc(ac->store, struct message_store); + ac->store->first = msg_store; } else { - ac->store->last->next = talloc(ac->store, struct message_store); - ac->store->last = ac->store->last->next; - } - if (ac->store->last == NULL) { - goto error; + ac->store->last->next = msg_store; } + ac->store->last = msg_store; ac->store->num_entries++; - ac->store->last->r = talloc_steal(ac->store->last, ares); - ac->store->last->next = NULL; - } + break; + + case LDB_REPLY_REFERRAL: + msg_store = talloc(ac->store, struct message_store); + if (msg_store == NULL) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + msg_store->next = NULL; + msg_store->r = talloc_steal(msg_store, ares); - if (ares->type == LDB_REPLY_REFERRAL) { if (ac->store->first_ref == NULL) { - ac->store->first_ref = ac->store->last_ref = talloc(ac->store, struct message_store); + ac->store->first_ref = msg_store; } else { - ac->store->last_ref->next = talloc(ac->store, struct message_store); - ac->store->last_ref = ac->store->last_ref->next; - } - if (ac->store->last_ref == NULL) { - goto error; + ac->store->last_ref->next = msg_store; } + ac->store->last_ref = msg_store; - ac->store->last_ref->r = talloc_steal(ac->store->last, ares); - ac->store->last_ref->next = NULL; - } + break; - if (ares->type == LDB_REPLY_DONE) { + case LDB_REPLY_DONE: ac->store->controls = talloc_move(ac->store, &ares->controls); - talloc_free(ares); + ret = paged_results(ac); + return ldb_module_done(ac->req, ac->controls, + ares->response, ret); } return LDB_SUCCESS; - -error: - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; } static int paged_search(struct ldb_module *module, struct ldb_request *req) @@ -232,8 +294,8 @@ static int paged_search(struct ldb_module *module, struct ldb_request *req) struct private_data *private_data; struct ldb_paged_control *paged_ctrl; struct ldb_control **saved_controls; + struct ldb_request *search_req; struct paged_context *ac; - struct ldb_handle *h; int ret; /* check if there's a paged request control */ @@ -243,65 +305,57 @@ static int paged_search(struct ldb_module *module, struct ldb_request *req) return ldb_next_request(module, req); } - private_data = talloc_get_type(module->private_data, struct private_data); - - req->handle = NULL; - - if (!req->callback || !req->context) { - ldb_set_errstring(module->ldb, - "Async interface called with NULL callback function or NULL context"); - return LDB_ERR_OPERATIONS_ERROR; - } - paged_ctrl = talloc_get_type(control->data, struct ldb_paged_control); if (!paged_ctrl) { return LDB_ERR_PROTOCOL_ERROR; } - h = init_handle(req, module, req->context, req->callback); - if (!h) { + private_data = talloc_get_type(module->private_data, struct private_data); + + ac = talloc_zero(req, struct paged_context); + if (ac == NULL) { + ldb_set_errstring(module->ldb, "Out of Memory"); return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(h->private_data, struct paged_context); + ac->module = module; + ac->req = req; ac->size = paged_ctrl->size; /* check if it is a continuation search the store */ if (paged_ctrl->cookie_len == 0) { - - ac->store = new_store(private_data); - if (ac->store == NULL) { - talloc_free(h); - return LDB_ERR_UNWILLING_TO_PERFORM; + if (paged_ctrl->size == 0) { + return LDB_ERR_OPERATIONS_ERROR; } - ac->store->req = talloc(ac->store, struct ldb_request); - if (!ac->store->req) + ac->store = new_store(private_data); + if (ac->store == NULL) { return LDB_ERR_OPERATIONS_ERROR; + } - ac->store->req->operation = req->operation; - ac->store->req->op.search.base = req->op.search.base; - ac->store->req->op.search.scope = req->op.search.scope; - ac->store->req->op.search.tree = req->op.search.tree; - ac->store->req->op.search.attrs = req->op.search.attrs; - ac->store->req->controls = req->controls; + ret = ldb_build_search_req_ex(&search_req, module->ldb, ac, + req->op.search.base, + req->op.search.scope, + req->op.search.tree, + req->op.search.attrs, + req->controls, + ac, + paged_search_callback, + req); /* save it locally and remove it from the list */ /* we do not need to replace them later as we * are keeping the original req intact */ - if (!save_controls(control, ac->store->req, &saved_controls)) { + if (!save_controls(control, search_req, &saved_controls)) { return LDB_ERR_OPERATIONS_ERROR; } - ac->store->req->context = ac; - ac->store->req->callback = paged_search_callback; - ldb_set_timeout_from_prev_req(module->ldb, req, ac->store->req); - - ret = ldb_next_request(module, ac->store->req); + return ldb_next_request(module, search_req); } else { struct results_store *current = NULL; + /* TODO: age out old outstanding requests */ for (current = private_data->store; current; current = current->next) { if (strcmp(current->cookie, paged_ctrl->cookie) == 0) { current->timestamp = time(NULL); @@ -309,249 +363,52 @@ static int paged_search(struct ldb_module *module, struct ldb_request *req) } } if (current == NULL) { - talloc_free(h); return LDB_ERR_UNWILLING_TO_PERFORM; } ac->store = current; - ret = LDB_SUCCESS; - } - - req->handle = h; - - /* check if it is an abandon */ - if (ac->size == 0) { - talloc_free(ac->store); - h->status = LDB_SUCCESS; - h->state = LDB_ASYNC_DONE; - return LDB_SUCCESS; - } - - /* TODO: age out old outstanding requests */ - - return ret; - -} - -static int paged_results(struct ldb_handle *handle) -{ - struct paged_context *ac; - struct ldb_paged_control *paged; - struct ldb_reply *ares; - struct message_store *msg; - int i, num_ctrls, ret; - - ac = talloc_get_type(handle->private_data, struct paged_context); - - if (ac->store == NULL) - return LDB_ERR_OPERATIONS_ERROR; - while (ac->store->num_entries > 0 && ac->size > 0) { - msg = ac->store->first; - ret = ac->up_callback(ac->module->ldb, ac->up_context, msg->r); - if (ret != LDB_SUCCESS) { - handle->status = ret; - handle->state = LDB_ASYNC_DONE; - return ret; + /* check if it is an abandon */ + if (ac->size == 0) { + return ldb_module_done(req, NULL, NULL, + LDB_SUCCESS); } - ac->store->first = msg->next; - talloc_free(msg); - ac->store->num_entries--; - ac->size--; - } - - handle->state = LDB_ASYNC_DONE; - - while (ac->store->first_ref != NULL) { - msg = ac->store->first_ref; - ret = ac->up_callback(ac->module->ldb, ac->up_context, msg->r); + ret = paged_results(ac); if (ret != LDB_SUCCESS) { - handle->status = ret; - handle->state = LDB_ASYNC_DONE; - return ret; + return ldb_module_done(req, NULL, NULL, ret); } - - ac->store->first_ref = msg->next; - talloc_free(msg); - } - - ares = talloc_zero(ac->store, struct ldb_reply); - if (ares == NULL) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; - } - num_ctrls = 2; - i = 0; - - if (ac->store->controls != NULL) { - ares->controls = ac->store->controls; - while (ares->controls[i]) i++; /* counting */ - - ares->controls = talloc_move(ares, &ac->store->controls); - num_ctrls += i; - } - - ares->controls = talloc_realloc(ares, ares->controls, struct ldb_control *, num_ctrls); - if (ares->controls == NULL) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; + return ldb_module_done(req, ac->controls, NULL, + LDB_SUCCESS); } - - ares->controls[i] = talloc(ares->controls, struct ldb_control); - if (ares->controls[i] == NULL) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; - } - - ares->controls[i]->oid = talloc_strdup(ares->controls[i], LDB_CONTROL_PAGED_RESULTS_OID); - if (ares->controls[i]->oid == NULL) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; - } - - ares->controls[i]->critical = 0; - ares->controls[i + 1] = NULL; - - paged = talloc(ares->controls[i], struct ldb_paged_control); - if (paged == NULL) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; - } - - ares->controls[i]->data = paged; - - if (ac->size > 0) { - paged->size = 0; - paged->cookie = NULL; - paged->cookie_len = 0; - } else { - paged->size = ac->store->num_entries; - paged->cookie = talloc_strdup(paged, ac->store->cookie); - paged->cookie_len = strlen(paged->cookie) + 1; - } - - ares->type = LDB_REPLY_DONE; - - ret = ac->up_callback(ac->module->ldb, ac->up_context, ares); - - handle->status = ret; - - return ret; -} - -static int paged_wait_once(struct ldb_handle *handle) { - struct paged_context *ac; - int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; - } - - if (handle->state == LDB_ASYNC_DONE) { - return handle->status; - } - - handle->state = LDB_ASYNC_PENDING; - - ac = talloc_get_type(handle->private_data, struct paged_context); - - if (ac->store->req->handle->state == LDB_ASYNC_DONE) { - /* if lower level is finished we do not need to call it anymore */ - /* return all we have until size == 0 or we empty storage */ - ret = paged_results(handle); - - /* we are done, if num_entries is zero free the storage - * as that mean we delivered the last batch */ - if (ac->store->num_entries == 0) { - talloc_free(ac->store); - } - - return ret; - } - - ret = ldb_wait(ac->store->req->handle, LDB_WAIT_NONE); - if (ret != LDB_SUCCESS) { - handle->state = LDB_ASYNC_DONE; - handle->status = ret; - return ret; - } - - handle->status = ret; - - if (ac->store->num_entries >= ac->size || - ac->store->req->handle->state == LDB_ASYNC_DONE) { - - ret = paged_results(handle); - - /* we are done, if num_entries is zero free the storage - * as that mean we delivered the last batch */ - if (ac->store->num_entries == 0) { - talloc_free(ac->store); - } - } - - return ret; -} - -static int paged_wait(struct ldb_handle *handle, enum ldb_wait_type type) -{ - int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; - } - - if (type == LDB_WAIT_ALL) { - while (handle->state != LDB_ASYNC_DONE) { - ret = paged_wait_once(handle); - if (ret != LDB_SUCCESS) { - return ret; - } - } - - return handle->status; - } - - return paged_wait_once(handle); } static int paged_request_init(struct ldb_module *module) { struct private_data *data; - struct ldb_request *req; int ret; data = talloc(module, struct private_data); if (data == NULL) { return LDB_ERR_OTHER; } - + data->next_free_id = 1; data->store = NULL; module->private_data = data; - req = talloc(module, struct ldb_request); - if (req == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - - req->operation = LDB_REQ_REGISTER_CONTROL; - req->op.reg_control.oid = LDB_CONTROL_PAGED_RESULTS_OID; - req->controls = NULL; - - ret = ldb_request(module->ldb, req); + ret = ldb_mod_register_control(module, LDB_CONTROL_PAGED_RESULTS_OID); if (ret != LDB_SUCCESS) { - ldb_debug(module->ldb, LDB_DEBUG_WARNING, "paged_request: Unable to register control with rootdse!\n"); + ldb_debug(module->ldb, LDB_DEBUG_WARNING, + "paged_request:" + "Unable to register control with rootdse!\n"); } - talloc_free(req); return ldb_next_init(module); } const struct ldb_module_ops ldb_paged_results_module_ops = { .name = "paged_results", .search = paged_search, - .wait = paged_wait, .init_context = paged_request_init }; diff --git a/source4/lib/ldb/modules/paged_searches.c b/source4/lib/ldb/modules/paged_searches.c index 40e87f70d6..7a728e3bb0 100644 --- a/source4/lib/ldb/modules/paged_searches.c +++ b/source4/lib/ldb/modules/paged_searches.c @@ -1,7 +1,7 @@ /* ldb database library - Copyright (C) Simo Sorce 2005-2006 + Copyright (C) Simo Sorce 2005-2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -46,12 +46,7 @@ struct private_data { struct ps_context { struct ldb_module *module; - void *up_context; - int (*up_callback)(struct ldb_context *, void *, struct ldb_reply *); - - struct ldb_request *orig_req; - - struct ldb_request *new_req; + struct ldb_request *req; bool pending; @@ -59,51 +54,13 @@ struct ps_context { int num_referrals; }; -static struct ldb_handle *init_handle(void *mem_ctx, struct ldb_module *module, - void *context, - int (*callback)(struct ldb_context *, void *, struct ldb_reply *)) +static int check_ps_continuation(struct ldb_request *req, struct ldb_reply *ares) { struct ps_context *ac; - struct ldb_handle *h; - - h = talloc_zero(mem_ctx, struct ldb_handle); - if (h == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - return NULL; - } - - h->module = module; - - ac = talloc_zero(h, struct ps_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->up_context = context; - ac->up_callback = callback; - - ac->pending = false; - - - - ac->saved_referrals = NULL; - ac->num_referrals = 0; - - return h; -} - -static int check_ps_continuation(struct ldb_reply *ares, struct ps_context *ac) -{ struct ldb_paged_control *rep_control, *req_control; + ac = talloc_get_type(req->context, struct ps_context); + /* look up our paged control */ if (!ares->controls || strcmp(LDB_CONTROL_PAGED_RESULTS_OID, ares->controls[0]->oid) != 0) { /* something wrong here */ @@ -122,12 +79,12 @@ static int check_ps_continuation(struct ldb_reply *ares, struct ps_context *ac) /* if there's a reply control we must find a request * control matching it */ - if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, ac->new_req->controls[0]->oid) != 0) { + if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, req->controls[0]->oid) != 0) { /* something wrong here */ return LDB_ERR_OPERATIONS_ERROR; } - req_control = talloc_get_type(ac->new_req->controls[0]->data, struct ldb_paged_control); + req_control = talloc_get_type(req->controls[0]->data, struct ldb_paged_control); if (req_control->cookie) { talloc_free(req_control->cookie); @@ -142,7 +99,7 @@ static int check_ps_continuation(struct ldb_reply *ares, struct ps_context *ac) return LDB_SUCCESS; } -static int store_referral(char *referral, struct ps_context *ac) +static int store_referral(struct ps_context *ac, char *referral) { ac->saved_referrals = talloc_realloc(ac, ac->saved_referrals, char *, ac->num_referrals + 2); if (!ac->saved_referrals) { @@ -160,13 +117,14 @@ static int store_referral(char *referral, struct ps_context *ac) return LDB_SUCCESS; } -static int send_referrals(struct ldb_context *ldb, struct ps_context *ac) +static int send_referrals(struct ps_context *ac) { struct ldb_reply *ares; + int ret; int i; for (i = 0; i < ac->num_referrals; i++) { - ares = talloc_zero(ac, struct ldb_reply); + ares = talloc_zero(ac->req, struct ldb_reply); if (!ares) { return LDB_ERR_OPERATIONS_ERROR; } @@ -174,69 +132,87 @@ static int send_referrals(struct ldb_context *ldb, struct ps_context *ac) ares->type = LDB_REPLY_REFERRAL; ares->referral = ac->saved_referrals[i]; - ac->up_callback(ldb, ac->up_context, ares); + ret = ldb_module_send_referral(ac->req, ares->referral); + if (ret != LDB_SUCCESS) { + return ret; + } } return LDB_SUCCESS; } -static int ps_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) +static int ps_next_request(struct ps_context *ac); + +static int ps_callback(struct ldb_request *req, struct ldb_reply *ares) { - struct ps_context *ac = NULL; - int ret = LDB_ERR_OPERATIONS_ERROR; + struct ps_context *ac; + int ret; - if (!context || !ares) { - ldb_set_errstring(ldb, "NULL Context or Result in callback"); - goto error; - } + ac = talloc_get_type(req->context, struct ps_context); - ac = talloc_get_type(context, struct ps_context); + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } switch (ares->type) { case LDB_REPLY_ENTRY: - ac->up_callback(ldb, ac->up_context, ares); + ret = ldb_module_send_entry(ac->req, ares->message); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, ret); + } break; case LDB_REPLY_REFERRAL: - ret = store_referral(ares->referral, ac); + ret = store_referral(ac, ares->referral); if (ret != LDB_SUCCESS) { - goto error; + return ldb_module_done(ac->req, NULL, NULL, ret); } break; case LDB_REPLY_DONE: - ret = check_ps_continuation(ares, ac); + + ret = check_ps_continuation(req, ares); if (ret != LDB_SUCCESS) { - goto error; + return ldb_module_done(ac->req, NULL, NULL, ret); } - if (!ac->pending) { + + if (ac->pending) { + + ret = ps_next_request(ac); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, + NULL, NULL, ret); + } + + } else { + /* send referrals */ - ret = send_referrals(ldb, ac); + ret = send_referrals(ac); if (ret != LDB_SUCCESS) { - goto error; + return ldb_module_done(ac->req, + NULL, NULL, ret); } /* send REPLY_DONE */ - ac->up_callback(ldb, ac->up_context, ares); + return ldb_module_done(ac->req, ares->controls, + ares->response, LDB_SUCCESS); } break; - default: - goto error; } - return LDB_SUCCESS; - -error: talloc_free(ares); - return ret; + return LDB_SUCCESS; } static int ps_search(struct ldb_module *module, struct ldb_request *req) { struct private_data *private_data; - struct ldb_paged_control *control; struct ps_context *ac; - struct ldb_handle *h; private_data = talloc_get_type(module->private_data, struct private_data); @@ -248,216 +224,151 @@ static int ps_search(struct ldb_module *module, struct ldb_request *req) return ldb_next_request(module, req); } - if (!req->callback || !req->context) { - ldb_set_errstring(module->ldb, - "Async interface called with NULL callback function or NULL context"); - return LDB_ERR_OPERATIONS_ERROR; - } - - h = init_handle(req, module, req->context, req->callback); - if (!h) { + ac = talloc_zero(req, struct ps_context); + if (ac == NULL) { + ldb_oom(module->ldb); return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(h->private_data, struct ps_context); - - ac->new_req = talloc(ac, struct ldb_request); - if (!ac->new_req) return LDB_ERR_OPERATIONS_ERROR; - - ac->new_req->controls = talloc_array(ac->new_req, struct ldb_control *, 2); - if (!ac->new_req->controls) return LDB_ERR_OPERATIONS_ERROR; - - ac->new_req->controls[0] = talloc(ac->new_req->controls, struct ldb_control); - if (!ac->new_req->controls[0]) return LDB_ERR_OPERATIONS_ERROR; - - control = talloc(ac->new_req->controls[0], struct ldb_paged_control); - if (!control) return LDB_ERR_OPERATIONS_ERROR; - - control->size = PS_DEFAULT_PAGE_SIZE; - control->cookie = NULL; - control->cookie_len = 0; - - ac->new_req->controls[0]->oid = LDB_CONTROL_PAGED_RESULTS_OID; - ac->new_req->controls[0]->critical = 1; - ac->new_req->controls[0]->data = control; - - ac->new_req->controls[1] = NULL; - ac->new_req->operation = req->operation; - ac->new_req->op.search.base = req->op.search.base; - ac->new_req->op.search.scope = req->op.search.scope; - ac->new_req->op.search.tree = req->op.search.tree; - ac->new_req->op.search.attrs = req->op.search.attrs; - ac->new_req->context = ac; - ac->new_req->callback = ps_callback; - ldb_set_timeout_from_prev_req(module->ldb, req, ac->new_req); - - req->handle = h; + ac->module = module; + ac->req = req; + ac->pending = false; + ac->saved_referrals = NULL; + ac->num_referrals = 0; - return ldb_next_request(module, ac->new_req); + return ps_next_request(ac); } -static int ps_continuation(struct ldb_handle *handle) -{ - struct ps_context *ac; +static int ps_next_request(struct ps_context *ac) { - if (!handle || !handle->private_data) { + struct ldb_paged_control *control; + struct ldb_control **controls; + struct ldb_request *new_req; + int ret; + + controls = talloc_array(ac, struct ldb_control *, 2); + if (!controls) { return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(handle->private_data, struct ps_context); - - /* reset the requests handle */ - ac->new_req->handle = NULL; - - return ldb_next_request(handle->module, ac->new_req); -} - -static int ps_wait_once(struct ldb_handle *handle) -{ - struct ps_context *ac; - int ret; - - if (!handle || !handle->private_data) { + controls[0] = talloc(controls, struct ldb_control); + if (!controls[0]) { return LDB_ERR_OPERATIONS_ERROR; } - if (handle->state == LDB_ASYNC_DONE) { - return handle->status; + control = talloc(controls[0], struct ldb_paged_control); + if (!control) { + return LDB_ERR_OPERATIONS_ERROR; } - handle->state = LDB_ASYNC_PENDING; - handle->status = LDB_SUCCESS; - - ac = talloc_get_type(handle->private_data, struct ps_context); - - ret = ldb_wait(ac->new_req->handle, LDB_WAIT_NONE); + control->size = PS_DEFAULT_PAGE_SIZE; + control->cookie = NULL; + control->cookie_len = 0; + controls[0]->oid = LDB_CONTROL_PAGED_RESULTS_OID; + controls[0]->critical = 1; + controls[0]->data = control; + controls[1] = NULL; + + ret = ldb_build_search_req_ex(&new_req, ac->module->ldb, ac, + ac->req->op.search.base, + ac->req->op.search.scope, + ac->req->op.search.tree, + ac->req->op.search.attrs, + controls, + ac, + ps_callback, + ac->req); if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - - if (ac->new_req->handle->status != LDB_SUCCESS) { - handle->status = ac->new_req->handle->status; - goto done; - } - - if (ac->new_req->handle->state != LDB_ASYNC_DONE) { - return LDB_SUCCESS; - } - - /* see if we need to send another request for the next batch */ - if (ac->pending) { - ret = ps_continuation(handle); - if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - - /* continue the search with the next request */ - return LDB_SUCCESS; + return ret; } + talloc_steal(new_req, controls); - ret = LDB_SUCCESS; - -done: - handle->state = LDB_ASYNC_DONE; - return ret; + return ldb_next_request(ac->module, new_req); } -static int ps_wait(struct ldb_handle *handle, enum ldb_wait_type type) +static int check_supported_paged(struct ldb_request *req, + struct ldb_reply *ares) { - int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; - } + struct private_data *data; - if (type == LDB_WAIT_ALL) { - while (handle->state != LDB_ASYNC_DONE) { - ret = ps_wait_once(handle); - if (ret != LDB_SUCCESS) { - return ret; - } - } + data = talloc_get_type(req->context, struct private_data); - return handle->status; + if (!ares) { + return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR); } - return ps_wait_once(handle); -} -static int check_supported_paged(struct ldb_context *ldb, void *context, - struct ldb_reply *ares) -{ - struct private_data *data; - data = talloc_get_type(context, - struct private_data); - if (ares->type == LDB_REPLY_ENTRY) { + switch (ares->type) { + case LDB_REPLY_ENTRY: if (ldb_msg_check_string_attribute(ares->message, "supportedControl", LDB_CONTROL_PAGED_RESULTS_OID)) { data->paged_supported = true; } + break; + + case LDB_REPLY_REFERRAL: + /* ignore */ + break; + + case LDB_REPLY_DONE: + return ldb_request_done(req, LDB_SUCCESS); } + + talloc_free(ares); return LDB_SUCCESS; } - static int ps_init(struct ldb_module *module) { static const char *attrs[] = { "supportedControl", NULL }; struct private_data *data; + struct ldb_dn *base; int ret; struct ldb_request *req; data = talloc(module, struct private_data); if (data == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - return LDB_ERR_OTHER; + ldb_oom(module->ldb); + return LDB_ERR_OPERATIONS_ERROR; } module->private_data = data; data->paged_supported = false; - req = talloc(module, struct ldb_request); - if (req == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); + base = ldb_dn_new(module, module->ldb, ""); + if (base == NULL) { + ldb_oom(module->ldb); return LDB_ERR_OPERATIONS_ERROR; } - - req->operation = LDB_SEARCH; - req->op.search.base = ldb_dn_new(req, module->ldb, ""); - req->op.search.scope = LDB_SCOPE_BASE; - - req->op.search.tree = ldb_parse_tree(req, "objectClass=*"); - if (req->op.search.tree == NULL) { - ldb_set_errstring(module->ldb, "Unable to parse search expression"); - talloc_free(req); - return LDB_ERR_OPERATIONS_ERROR; + ret = ldb_build_search_req(&req, module->ldb, module, + base, LDB_SCOPE_BASE, + "(objectClass=*)", + attrs, NULL, + data, check_supported_paged, + NULL); + if (ret != LDB_SUCCESS) { + return ret; } - req->op.search.attrs = attrs; - req->controls = NULL; - req->context = data; - req->callback = check_supported_paged; - ldb_set_timeout(module->ldb, req, 0); /* use default timeout */ - ret = ldb_next_request(module, req); - if (ret == LDB_SUCCESS) { ret = ldb_wait(req->handle, LDB_WAIT_ALL); } - - talloc_free(req); if (ret != LDB_SUCCESS) { return ret; } + talloc_free(base); + talloc_free(req); + return ldb_next_init(module); } _PUBLIC_ const struct ldb_module_ops ldb_paged_searches_module_ops = { .name = "paged_searches", .search = ps_search, - .wait = ps_wait, .init_context = ps_init }; diff --git a/source4/lib/ldb/modules/rdn_name.c b/source4/lib/ldb/modules/rdn_name.c index 65c044c0f4..62b8ce5112 100644 --- a/source4/lib/ldb/modules/rdn_name.c +++ b/source4/lib/ldb/modules/rdn_name.c @@ -2,7 +2,7 @@ ldb database library Copyright (C) Andrew Bartlet 2005 - Copyright (C) Simo Sorce 2006 + Copyright (C) Simo Sorce 2006-2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -38,6 +38,14 @@ #include "ldb_includes.h" +struct rename_context { + + struct ldb_module *module; + struct ldb_request *req; + + struct ldb_reply *ares; +}; + static struct ldb_message_element *rdn_name_find_attribute(const struct ldb_message *msg, const char *name) { int i; @@ -51,11 +59,38 @@ static struct ldb_message_element *rdn_name_find_attribute(const struct ldb_mess return NULL; } +static int rdn_name_add_callback(struct ldb_request *req, + struct ldb_reply *ares) +{ + struct rename_context *ac; + + ac = talloc_get_type(req->context, struct rename_context); + + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } + + if (ares->type != LDB_REPLY_DONE) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + + return ldb_module_done(ac->req, ares->controls, + ares->response, LDB_SUCCESS); +} + static int rdn_name_add(struct ldb_module *module, struct ldb_request *req) { struct ldb_request *down_req; + struct rename_context *ac; struct ldb_message *msg; struct ldb_message_element *attribute; + const struct ldb_schema_attribute *a; const char *rdn_name; struct ldb_val rdn_val; int i, ret; @@ -67,21 +102,22 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req) return ldb_next_request(module, req); } - down_req = talloc(req, struct ldb_request); - if (down_req == NULL) { + ac = talloc_zero(req, struct rename_context); + if (ac == NULL) { return LDB_ERR_OPERATIONS_ERROR; } - *down_req = *req; + ac->module = module; + ac->req = req; - down_req->op.add.message = msg = ldb_msg_copy_shallow(down_req, req->op.add.message); + msg = ldb_msg_copy_shallow(req, req->op.add.message); if (msg == NULL) { return LDB_ERR_OPERATIONS_ERROR; } rdn_name = ldb_dn_get_rdn_name(msg->dn); if (rdn_name == NULL) { - talloc_free(down_req); + talloc_free(ac); return LDB_ERR_OPERATIONS_ERROR; } @@ -93,7 +129,7 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req) } if (ldb_msg_add_value(msg, "name", &rdn_val, NULL) != 0) { - talloc_free(down_req); + talloc_free(ac); return LDB_ERR_OPERATIONS_ERROR; } @@ -101,14 +137,16 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req) if (!attribute) { if (ldb_msg_add_value(msg, rdn_name, &rdn_val, NULL) != 0) { - talloc_free(down_req); + talloc_free(ac); return LDB_ERR_OPERATIONS_ERROR; } } else { - const struct ldb_schema_attribute *a = ldb_schema_attribute_by_name(module->ldb, rdn_name); + a = ldb_schema_attribute_by_name(module->ldb, rdn_name); for (i = 0; i < attribute->num_values; i++) { - if (a->syntax->comparison_fn(module->ldb, msg, &rdn_val, &attribute->values[i]) == 0) { + ret = a->syntax->comparison_fn(module->ldb, msg, + &rdn_val, &attribute->values[i]); + if (ret == 0) { /* overwrite so it matches in case */ attribute->values[i] = rdn_val; break; @@ -118,218 +156,166 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req) ldb_debug_set(module->ldb, LDB_DEBUG_FATAL, "RDN mismatch on %s: %s (%s)", ldb_dn_get_linearized(msg->dn), rdn_name, rdn_val.data); - talloc_free(down_req); + talloc_free(ac); /* Match AD's error here */ return LDB_ERR_INVALID_DN_SYNTAX; } } - /* go on with the call chain */ - ret = ldb_next_request(module, down_req); - - /* do not free down_req as the call results may be linked to it, - * it will be freed when the upper level request get freed */ - if (ret == LDB_SUCCESS) { - req->handle = down_req->handle; + ret = ldb_build_add_req(&down_req, module->ldb, req, + msg, + req->controls, + ac, rdn_name_add_callback, + req); + if (ret != LDB_SUCCESS) { + return ret; } - return ret; -} - -struct rename_context { + talloc_steal(down_req, msg); - enum {RENAME_RENAME, RENAME_MODIFY} step; - struct ldb_request *orig_req; - struct ldb_request *down_req; - struct ldb_request *mod_req; -}; + /* go on with the call chain */ + return ldb_next_request(module, down_req); +} -static int rdn_name_rename(struct ldb_module *module, struct ldb_request *req) +static int rdn_modify_callback(struct ldb_request *req, struct ldb_reply *ares) { - struct ldb_handle *h; struct rename_context *ac; - ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_rename\n"); + ac = talloc_get_type(req->context, struct rename_context); - /* do not manipulate our control entries */ - if (ldb_dn_is_special(req->op.rename.newdn)) { - return ldb_next_request(module, req); + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - - h = talloc_zero(req, struct ldb_handle); - if (h == NULL) { - return LDB_ERR_OPERATIONS_ERROR; + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); } - h->module = module; - - ac = talloc_zero(h, struct rename_context); - if (ac == NULL) { - return LDB_ERR_OPERATIONS_ERROR; + /* the only supported reply right now is a LDB_REPLY_DONE */ + if (ares->type != LDB_REPLY_DONE) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - h->private_data = (void *)ac; - - h->state = LDB_ASYNC_INIT; - h->status = LDB_SUCCESS; - - ac->orig_req = req; - ac->down_req = talloc(req, struct ldb_request); - if (ac->down_req == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - - *(ac->down_req) = *req; - - ac->step = RENAME_RENAME; - - req->handle = h; - - /* rename first, modify "name" if rename is ok */ - return ldb_next_request(module, ac->down_req); + /* send saved controls eventually */ + return ldb_module_done(ac->req, ac->ares->controls, + ac->ares->response, LDB_SUCCESS); } -static int rdn_name_rename_do_mod(struct ldb_handle *h) { - +static int rdn_rename_callback(struct ldb_request *req, struct ldb_reply *ares) +{ struct rename_context *ac; + struct ldb_request *mod_req; const char *rdn_name; struct ldb_val rdn_val; struct ldb_message *msg; + int ret; - ac = talloc_get_type(h->private_data, struct rename_context); + ac = talloc_get_type(req->context, struct rename_context); - ac->mod_req = talloc_zero(ac, struct ldb_request); + if (!ares) { + goto error; + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } - ac->mod_req->operation = LDB_MODIFY; - ac->mod_req->op.mod.message = msg = ldb_msg_new(ac->mod_req); - if (msg == NULL) { - return LDB_ERR_OPERATIONS_ERROR; + /* the only supported reply right now is a LDB_REPLY_DONE */ + if (ares->type != LDB_REPLY_DONE) { + goto error; } - msg->dn = ldb_dn_copy(msg, ac->orig_req->op.rename.newdn); + /* save reply for caller */ + ac->ares = talloc_steal(ac, ares); + + msg = ldb_msg_new(ac); + if (msg == NULL) { + goto error; + } + msg->dn = ldb_dn_copy(msg, ac->req->op.rename.newdn); if (msg->dn == NULL) { - return LDB_ERR_OPERATIONS_ERROR; + goto error; } - - rdn_name = ldb_dn_get_rdn_name(ac->orig_req->op.rename.newdn); + rdn_name = ldb_dn_get_rdn_name(ac->req->op.rename.newdn); if (rdn_name == NULL) { - return LDB_ERR_OPERATIONS_ERROR; + goto error; } - rdn_val = ldb_val_dup(msg, ldb_dn_get_rdn_val(ac->orig_req->op.rename.newdn)); + rdn_val = ldb_val_dup(msg, ldb_dn_get_rdn_val(ac->req->op.rename.newdn)); if (ldb_msg_add_empty(msg, rdn_name, LDB_FLAG_MOD_REPLACE, NULL) != 0) { - return LDB_ERR_OPERATIONS_ERROR; + goto error; } if (ldb_msg_add_value(msg, rdn_name, &rdn_val, NULL) != 0) { - return LDB_ERR_OPERATIONS_ERROR; + goto error; } if (ldb_msg_add_empty(msg, "name", LDB_FLAG_MOD_REPLACE, NULL) != 0) { - return LDB_ERR_OPERATIONS_ERROR; + goto error; } if (ldb_msg_add_value(msg, "name", &rdn_val, NULL) != 0) { - return LDB_ERR_OPERATIONS_ERROR; + goto error; } - ldb_set_timeout_from_prev_req(h->module->ldb, ac->orig_req, ac->mod_req); - - ac->step = RENAME_MODIFY; + ret = ldb_build_mod_req(&mod_req, ac->module->ldb, + ac, msg, NULL, + ac, rdn_modify_callback, + req); + if (ret != LDB_SUCCESS) { + return ldb_module_done(ac->req, NULL, NULL, ret); + } + talloc_steal(mod_req, msg); /* do the mod call */ - return ldb_request(h->module->ldb, ac->mod_req); + return ldb_request(ac->module->ldb, mod_req); + +error: + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } -static int rdn_name_wait_once(struct ldb_handle *handle) +static int rdn_name_rename(struct ldb_module *module, struct ldb_request *req) { struct rename_context *ac; + struct ldb_request *down_req; int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; - } - - if (handle->state == LDB_ASYNC_DONE) { - return handle->status; - } - handle->state = LDB_ASYNC_PENDING; - handle->status = LDB_SUCCESS; - - ac = talloc_get_type(handle->private_data, struct rename_context); - - switch(ac->step) { - case RENAME_RENAME: - ret = ldb_wait(ac->down_req->handle, LDB_WAIT_NONE); - if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - if (ac->down_req->handle->status != LDB_SUCCESS) { - handle->status = ac->down_req->handle->status; - goto done; - } - - if (ac->down_req->handle->state != LDB_ASYNC_DONE) { - return LDB_SUCCESS; - } - - /* rename operation done */ - return rdn_name_rename_do_mod(handle); - - case RENAME_MODIFY: - ret = ldb_wait(ac->mod_req->handle, LDB_WAIT_NONE); - if (ret != LDB_SUCCESS) { - handle->status = ret; - goto done; - } - if (ac->mod_req->handle->status != LDB_SUCCESS) { - handle->status = ac->mod_req->handle->status; - goto done; - } - - if (ac->mod_req->handle->state != LDB_ASYNC_DONE) { - return LDB_SUCCESS; - } - - break; + ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_rename\n"); - default: - ret = LDB_ERR_OPERATIONS_ERROR; - goto done; + /* do not manipulate our control entries */ + if (ldb_dn_is_special(req->op.rename.newdn)) { + return ldb_next_request(module, req); } - ret = LDB_SUCCESS; - -done: - handle->state = LDB_ASYNC_DONE; - return ret; -} - -static int rdn_name_wait(struct ldb_handle *handle, enum ldb_wait_type type) -{ - int ret; - - if (!handle || !handle->private_data) { + ac = talloc_zero(req, struct rename_context); + if (ac == NULL) { return LDB_ERR_OPERATIONS_ERROR; } - if (type == LDB_WAIT_ALL) { - while (handle->state != LDB_ASYNC_DONE) { - ret = rdn_name_wait_once(handle); - if (ret != LDB_SUCCESS) { - return ret; - } - } + ac->module = module; + ac->req = req; - return handle->status; + ret = ldb_build_rename_req(&down_req, + module->ldb, + ac, + req->op.rename.olddn, + req->op.rename.newdn, + req->controls, + ac, + rdn_rename_callback, + req); + + if (ret != LDB_SUCCESS) { + return LDB_ERR_OPERATIONS_ERROR; } - return rdn_name_wait_once(handle); + /* rename first, modify "name" if rename is ok */ + return ldb_next_request(module, down_req); } const struct ldb_module_ops ldb_rdn_name_module_ops = { .name = "rdn_name", .add = rdn_name_add, .rename = rdn_name_rename, - .wait = rdn_name_wait }; diff --git a/source4/lib/ldb/modules/sort.c b/source4/lib/ldb/modules/sort.c index 746befa559..64d60f370c 100644 --- a/source4/lib/ldb/modules/sort.c +++ b/source4/lib/ldb/modules/sort.c @@ -1,7 +1,7 @@ /* ldb database library - Copyright (C) Simo Sorce 2005 + Copyright (C) Simo Sorce 2005-2008 ** NOTE! The following LGPL license applies to the ldb ** library. This does NOT imply that all of Samba is released @@ -43,8 +43,6 @@ struct opaque { struct sort_context { struct ldb_module *module; - void *up_context; - int (*up_callback)(struct ldb_context *, void *, struct ldb_reply *); char *attributeName; char *orderingRule; @@ -53,7 +51,6 @@ struct sort_context { struct ldb_request *req; struct ldb_message **msgs; char **referrals; - struct ldb_control **controls; int num_msgs; int num_refs; @@ -61,40 +58,6 @@ struct sort_context { int sort_result; }; -static struct ldb_handle *init_handle(void *mem_ctx, struct ldb_module *module, - void *context, - int (*callback)(struct ldb_context *, void *, struct ldb_reply *)) -{ - struct sort_context *ac; - struct ldb_handle *h; - - h = talloc_zero(mem_ctx, struct ldb_handle); - if (h == NULL) { - ldb_set_errstring(module->ldb, "Out of Memory"); - return NULL; - } - - h->module = module; - - ac = talloc_zero(h, struct sort_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->up_context = context; - ac->up_callback = callback; - - return h; -} - static int build_response(void *mem_ctx, struct ldb_control ***ctrls, int result, const char *desc) { struct ldb_control **controls; @@ -142,7 +105,7 @@ static int sort_compare(struct ldb_message **msg1, struct ldb_message **msg2, vo struct sort_context *ac = talloc_get_type(opaque, struct sort_context); struct ldb_message_element *el1, *el2; - if (ac->sort_result != 0) { + if (!ac || ac->sort_result != 0) { /* an error occurred previously, * let's exit the sorting by returning always 0 */ return 0; @@ -154,7 +117,7 @@ static int sort_compare(struct ldb_message **msg1, struct ldb_message **msg2, vo if (!el1 || !el2) { /* the attribute was not found return and * set an error */ - ac->sort_result = 53; + ac->sort_result = LDB_ERR_UNWILLING_TO_PERFORM; return 0; } @@ -164,51 +127,111 @@ static int sort_compare(struct ldb_message **msg1, struct ldb_message **msg2, vo return ac->a->syntax->comparison_fn(ac->module->ldb, ac, &el1->values[0], &el2->values[0]); } -static int server_sort_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares) +static int server_sort_results(struct sort_context *ac) { - struct sort_context *ac = NULL; - - if (!context || !ares) { - ldb_set_errstring(ldb, "NULL Context or Result in callback"); - goto error; - } + struct ldb_reply *ares; + int i, ret; + + ac->a = ldb_schema_attribute_by_name(ac->module->ldb, ac->attributeName); + ac->sort_result = 0; + + ldb_qsort(ac->msgs, ac->num_msgs, + sizeof(struct ldb_message *), + ac, (ldb_qsort_cmp_fn_t)sort_compare); + + if (ac->sort_result != LDB_SUCCESS) { + return ac->sort_result; + } + + for (i = 0; i < ac->num_msgs; i++) { + ares = talloc_zero(ac, struct ldb_reply); + if (!ares) { + return LDB_ERR_OPERATIONS_ERROR; + } + + ares->type = LDB_REPLY_ENTRY; + ares->message = talloc_move(ares, &ac->msgs[i]); + + ret = ldb_module_send_entry(ac->req, ares->message); + if (ret != LDB_SUCCESS) { + return ret; + } + } + + for (i = 0; i < ac->num_refs; i++) { + ares = talloc_zero(ac, struct ldb_reply); + if (!ares) { + return LDB_ERR_OPERATIONS_ERROR; + } + + ares->type = LDB_REPLY_REFERRAL; + ares->referral = talloc_move(ares, &ac->referrals[i]); + + ret = ldb_module_send_referral(ac->req, ares->referral); + if (ret != LDB_SUCCESS) { + return ret; + } + } + + return LDB_SUCCESS; +} + +static int server_sort_search_callback(struct ldb_request *req, struct ldb_reply *ares) +{ + struct sort_context *ac; + int ret; - ac = talloc_get_type(context, struct sort_context); + ac = talloc_get_type(req->context, struct sort_context); - if (ares->type == LDB_REPLY_ENTRY) { + if (!ares) { + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); + } + if (ares->error != LDB_SUCCESS) { + return ldb_module_done(ac->req, ares->controls, + ares->response, ares->error); + } + + switch (ares->type) { + case LDB_REPLY_ENTRY: ac->msgs = talloc_realloc(ac, ac->msgs, struct ldb_message *, ac->num_msgs + 2); if (! ac->msgs) { - goto error; + talloc_free(ares); + ldb_oom(ac->module->ldb); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - ac->msgs[ac->num_msgs + 1] = NULL; - - ac->msgs[ac->num_msgs] = talloc_move(ac->msgs, &ares->message); + ac->msgs[ac->num_msgs] = talloc_steal(ac->msgs, ares->message); ac->num_msgs++; - } + ac->msgs[ac->num_msgs] = NULL; - if (ares->type == LDB_REPLY_REFERRAL) { + break; + + case LDB_REPLY_REFERRAL: ac->referrals = talloc_realloc(ac, ac->referrals, char *, ac->num_refs + 2); if (! ac->referrals) { - goto error; + talloc_free(ares); + ldb_oom(ac->module->ldb); + return ldb_module_done(ac->req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - ac->referrals[ac->num_refs + 1] = NULL; - ac->referrals[ac->num_refs] = talloc_move(ac->referrals, &ares->referral); - + ac->referrals[ac->num_refs] = talloc_steal(ac->referrals, ares->referral); ac->num_refs++; - } + ac->referrals[ac->num_refs] = NULL; - if (ares->type == LDB_REPLY_DONE) { - ac->controls = talloc_move(ac, &ares->controls); + break; + + case LDB_REPLY_DONE: + + ret = server_sort_results(ac); + return ldb_module_done(ac->req, ares->controls, + ares->response, ret); } talloc_free(ares); return LDB_SUCCESS; - -error: - talloc_free(ares); - return LDB_ERR_OPERATIONS_ERROR; } static int server_sort_search(struct ldb_module *module, struct ldb_request *req) @@ -216,8 +239,9 @@ static int server_sort_search(struct ldb_module *module, struct ldb_request *req struct ldb_control *control; struct ldb_server_sort_control **sort_ctrls; struct ldb_control **saved_controls; + struct ldb_control **controls; + struct ldb_request *down_req; struct sort_context *ac; - struct ldb_handle *h; int ret; /* check if there's a paged request control */ @@ -227,19 +251,14 @@ static int server_sort_search(struct ldb_module *module, struct ldb_request *req return ldb_next_request(module, req); } - req->handle = NULL; - - if (!req->callback || !req->context) { - ldb_set_errstring(module->ldb, - "Async interface called with NULL callback function or NULL context"); - return LDB_ERR_OPERATIONS_ERROR; - } - - h = init_handle(req, module, req->context, req->callback); - if (!h) { + ac = talloc_zero(req, struct sort_context); + if (ac == NULL) { + ldb_oom(module->ldb); return LDB_ERR_OPERATIONS_ERROR; } - ac = talloc_get_type(h->private_data, struct sort_context); + + ac->module = module; + ac->req = req; sort_ctrls = talloc_get_type(control->data, struct ldb_server_sort_control *); if (!sort_ctrls) { @@ -251,26 +270,20 @@ static int server_sort_search(struct ldb_module *module, struct ldb_request *req if (sort_ctrls[1] != NULL) { if (control->critical) { - struct ldb_reply *ares; - - ares = talloc_zero(req, struct ldb_reply); - if (!ares) - return LDB_ERR_OPERATIONS_ERROR; - /* 53 = unwilling to perform */ - ares->type = LDB_REPLY_DONE; - if ((ret = build_response(ares, &ares->controls, 53, "sort control is not complete yet")) != LDB_SUCCESS) { - return ret; + /* callback immediately */ + ret = build_response(req, &controls, + LDB_ERR_UNWILLING_TO_PERFORM, + "sort control is not complete yet"); + if (ret != LDB_SUCCESS) { + return ldb_module_done(req, NULL, NULL, + LDB_ERR_OPERATIONS_ERROR); } - h->status = LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION; - h->state = LDB_ASYNC_DONE; - ret = ac->up_callback(module->ldb, ac->up_context, ares); - - return ret; + return ldb_module_done(req, controls, NULL, ret); } else { /* just pass the call down and don't do any sorting */ - ldb_next_request(module, req); + return ldb_next_request(module, req); } } @@ -278,181 +291,45 @@ static int server_sort_search(struct ldb_module *module, struct ldb_request *req ac->orderingRule = sort_ctrls[0]->orderingRule; ac->reverse = sort_ctrls[0]->reverse; - ac->req = talloc(req, struct ldb_request); - if (!ac->req) + ret = ldb_build_search_req_ex(&down_req, module->ldb, ac, + req->op.search.base, + req->op.search.scope, + req->op.search.tree, + req->op.search.attrs, + req->controls, + ac, + server_sort_search_callback, + req); + if (ret != LDB_SUCCESS) { return LDB_ERR_OPERATIONS_ERROR; - - ac->req->operation = req->operation; - ac->req->op.search.base = req->op.search.base; - ac->req->op.search.scope = req->op.search.scope; - ac->req->op.search.tree = req->op.search.tree; - ac->req->op.search.attrs = req->op.search.attrs; - ac->req->controls = req->controls; + } /* save it locally and remove it from the list */ /* we do not need to replace them later as we * are keeping the original req intact */ - if (!save_controls(control, ac->req, &saved_controls)) { + if (!save_controls(control, down_req, &saved_controls)) { return LDB_ERR_OPERATIONS_ERROR; } - ac->req->context = ac; - ac->req->callback = server_sort_search_callback; - ldb_set_timeout_from_prev_req(module->ldb, req, ac->req); - - req->handle = h; - - return ldb_next_request(module, ac->req); -} - -static int server_sort_results(struct ldb_handle *handle) -{ - struct sort_context *ac; - struct ldb_reply *ares; - int i, ret; - - ac = talloc_get_type(handle->private_data, struct sort_context); - - ac->a = ldb_schema_attribute_by_name(ac->module->ldb, ac->attributeName); - ac->sort_result = 0; - - ldb_qsort(ac->msgs, ac->num_msgs, - sizeof(struct ldb_message *), - ac, (ldb_qsort_cmp_fn_t)sort_compare); - - for (i = 0; i < ac->num_msgs; i++) { - ares = talloc_zero(ac, struct ldb_reply); - if (!ares) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; - } - - ares->type = LDB_REPLY_ENTRY; - ares->message = talloc_move(ares, &ac->msgs[i]); - - handle->status = ac->up_callback(ac->module->ldb, ac->up_context, ares); - if (handle->status != LDB_SUCCESS) { - return handle->status; - } - } - - for (i = 0; i < ac->num_refs; i++) { - ares = talloc_zero(ac, struct ldb_reply); - if (!ares) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; - } - - ares->type = LDB_REPLY_REFERRAL; - ares->referral = talloc_move(ares, &ac->referrals[i]); - - handle->status = ac->up_callback(ac->module->ldb, ac->up_context, ares); - if (handle->status != LDB_SUCCESS) { - return handle->status; - } - } - - ares = talloc_zero(ac, struct ldb_reply); - if (!ares) { - handle->status = LDB_ERR_OPERATIONS_ERROR; - return handle->status; - } - - ares->type = LDB_REPLY_DONE; - ares->controls = talloc_move(ares, &ac->controls); - - handle->status = ac->up_callback(ac->module->ldb, ac->up_context, ares); - if (handle->status != LDB_SUCCESS) { - return handle->status; - } - - if ((ret = build_response(ac, &ac->controls, ac->sort_result, "sort control is not complete yet")) != LDB_SUCCESS) { - return ret; - } - - return LDB_SUCCESS; -} - -static int server_sort_wait_once(struct ldb_handle *handle) -{ - struct sort_context *ac; - int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; - } - - ac = talloc_get_type(handle->private_data, struct sort_context); - - ret = ldb_wait(ac->req->handle, LDB_WAIT_NONE); - - if (ret != LDB_SUCCESS) { - handle->status = ret; - return ret; - } - - handle->state = ac->req->handle->state; - handle->status = ac->req->handle->status; - - if (handle->status != LDB_SUCCESS) { - return handle->status; - } - - if (handle->state == LDB_ASYNC_DONE) { - ret = server_sort_results(handle); - } - - return ret; -} - -static int server_sort_wait(struct ldb_handle *handle, enum ldb_wait_type type) -{ - int ret; - - if (!handle || !handle->private_data) { - return LDB_ERR_OPERATIONS_ERROR; - } - - if (type == LDB_WAIT_ALL) { - while (handle->state != LDB_ASYNC_DONE) { - ret = server_sort_wait_once(handle); - if (ret != LDB_SUCCESS) { - return ret; - } - } - - return handle->status; - } - - return server_sort_wait_once(handle); + return ldb_next_request(module, down_req); } static int server_sort_init(struct ldb_module *module) { - struct ldb_request *req; int ret; - req = talloc(module, struct ldb_request); - if (req == NULL) { - return LDB_ERR_OPERATIONS_ERROR; - } - - req->operation = LDB_REQ_REGISTER_CONTROL; - req->op.reg_control.oid = LDB_CONTROL_SERVER_SORT_OID; - req->controls = NULL; - - ret = ldb_request(module->ldb, req); + ret = ldb_mod_register_control(module, LDB_CONTROL_SERVER_SORT_OID); if (ret != LDB_SUCCESS) { - ldb_debug(module->ldb, LDB_DEBUG_WARNING, "server_sort: Unable to register control with rootdse!\n"); + ldb_debug(module->ldb, LDB_DEBUG_WARNING, + "server_sort:" + "Unable to register control with rootdse!\n"); } - talloc_free(req); return ldb_next_init(module); } const struct ldb_module_ops ldb_server_sort_module_ops = { .name = "server_sort", .search = server_sort_search, - .wait = server_sort_wait, .init_context = server_sort_init }; |