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authorJelmer Vernooij <jelmer@samba.org>2008-10-21 14:51:13 +0200
committerJelmer Vernooij <jelmer@samba.org>2008-10-21 14:51:13 +0200
commit5209a846a9157e649fcdcb561f7eaf19c8c0e465 (patch)
treeb0a7e52b5646c8eec182dbc391e7934b6804488c /source4/dsdb/samdb/ldb_modules/partition.c
parent625359b2e266105022309df8985720108ecd6f67 (diff)
parent2ee8d29d22bcb1c350ab59d71b0aee548489bc9c (diff)
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Merge branch 'master' of ssh://git.samba.org/data/git/samba into regsrv
Conflicts: source4/lib/registry/ldb.c source4/rpc_server/winreg/rpc_winreg.c
Diffstat (limited to 'source4/dsdb/samdb/ldb_modules/partition.c')
-rw-r--r--source4/dsdb/samdb/ldb_modules/partition.c864
1 files changed, 550 insertions, 314 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/partition.c b/source4/dsdb/samdb/ldb_modules/partition.c
index 9cae6ab7b5..2a321e29c5 100644
--- a/source4/dsdb/samdb/ldb_modules/partition.c
+++ b/source4/dsdb/samdb/ldb_modules/partition.c
@@ -1,4 +1,3 @@
-
/*
Partitions ldb module
@@ -43,61 +42,95 @@ struct partition_private_data {
struct ldb_dn **replicate;
};
+struct part_request {
+ struct ldb_module *module;
+ struct ldb_request *req;
+};
+
struct partition_context {
struct ldb_module *module;
- struct ldb_request *orig_req;
+ struct ldb_request *req;
+ bool got_success;
- struct ldb_request **down_req;
+ struct part_request *part_req;
int num_requests;
int finished_requests;
};
-static struct partition_context *partition_init_handle(struct ldb_request *req, struct ldb_module *module)
+static struct partition_context *partition_init_ctx(struct ldb_module *module, struct ldb_request *req)
{
struct partition_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 partition_context);
+ ac = talloc_zero(req, struct partition_context);
if (ac == NULL) {
ldb_set_errstring(module->ldb, "Out of Memory");
- talloc_free(h);
return NULL;
}
- h->private_data = ac;
-
ac->module = module;
- ac->orig_req = req;
-
- req->handle = h;
+ ac->req = req;
return ac;
}
-static struct ldb_module *make_module_for_next_request(TALLOC_CTX *mem_ctx,
- struct ldb_context *ldb,
- struct ldb_module *module)
+#define PARTITION_FIND_OP(module, op) do { \
+ struct ldb_context *ldbctx = module->ldb; \
+ while (module && module->ops->op == NULL) module = module->next; \
+ if (module == NULL) { \
+ ldb_asprintf_errstring(ldbctx, \
+ "Unable to find backend operation for " #op ); \
+ return LDB_ERR_OPERATIONS_ERROR; \
+ } \
+} while (0)
+
+/*
+ * helper functions to call the next module in chain
+ * */
+
+static int partition_request(struct ldb_module *module, struct ldb_request *request)
{
- struct ldb_module *current;
- static const struct ldb_module_ops ops; /* zero */
- current = talloc_zero(mem_ctx, struct ldb_module);
- if (current == NULL) {
- return module;
+ int ret;
+ switch (request->operation) {
+ case LDB_SEARCH:
+ PARTITION_FIND_OP(module, search);
+ ret = module->ops->search(module, request);
+ break;
+ case LDB_ADD:
+ PARTITION_FIND_OP(module, add);
+ ret = module->ops->add(module, request);
+ break;
+ case LDB_MODIFY:
+ PARTITION_FIND_OP(module, modify);
+ ret = module->ops->modify(module, request);
+ break;
+ case LDB_DELETE:
+ PARTITION_FIND_OP(module, del);
+ ret = module->ops->del(module, request);
+ break;
+ case LDB_RENAME:
+ PARTITION_FIND_OP(module, rename);
+ ret = module->ops->rename(module, request);
+ break;
+ case LDB_EXTENDED:
+ PARTITION_FIND_OP(module, extended);
+ ret = module->ops->extended(module, request);
+ break;
+ default:
+ PARTITION_FIND_OP(module, request);
+ ret = module->ops->request(module, request);
+ break;
}
-
- current->ldb = ldb;
- current->ops = &ops;
- current->prev = NULL;
- current->next = module;
- return current;
+ if (ret == LDB_SUCCESS) {
+ return ret;
+ }
+ if (!ldb_errstring(module->ldb)) {
+ /* Set a default error string, to place the blame somewhere */
+ ldb_asprintf_errstring(module->ldb,
+ "error in module %s: %s (%d)",
+ module->ops->name,
+ ldb_strerror(ret), ret);
+ }
+ return ret;
}
static struct dsdb_control_current_partition *find_partition(struct partition_private_data *data,
@@ -120,127 +153,206 @@ static struct dsdb_control_current_partition *find_partition(struct partition_pr
/**
* fire the caller's callback for every entry, but only send 'done' once.
*/
-static int partition_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+static int partition_req_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
{
struct partition_context *ac;
+ struct ldb_module *module;
+ struct ldb_request *nreq;
+ int ret;
- ac = talloc_get_type(context, struct partition_context);
+ ac = talloc_get_type(req->context, struct partition_context);
- if (ares->type == LDB_REPLY_ENTRY) {
- return ac->orig_req->callback(ldb, ac->orig_req->context, ares);
- } else {
- ac->finished_requests++;
- if (ac->finished_requests == ac->num_requests) {
- return ac->orig_req->callback(ldb, ac->orig_req->context, ares);
- } else {
- talloc_free(ares);
- return LDB_SUCCESS;
- }
+ if (!ares) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
}
-}
-/**
- * only fire the 'last' callback, and only for START-TLS for now
- */
-static int partition_other_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
-{
- struct partition_context *ac;
+ if (ares->error != LDB_SUCCESS && !ac->got_success) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
- ac = talloc_get_type(context, struct partition_context);
+ switch (ares->type) {
+ case LDB_REPLY_REFERRAL:
+ /* ignore referrals for now */
+ break;
- if (!ac->orig_req->callback) {
- talloc_free(ares);
- return LDB_SUCCESS;
- }
+ case LDB_REPLY_ENTRY:
+ if (ac->req->operation != LDB_SEARCH) {
+ ldb_set_errstring(ac->module->ldb,
+ "partition_req_callback:"
+ " Unsupported reply type for this request");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ return ldb_module_send_entry(ac->req, ares->message);
+
+ case LDB_REPLY_DONE:
+ if (ares->error == LDB_SUCCESS) {
+ ac->got_success = true;
+ }
+ if (ac->req->operation == LDB_EXTENDED) {
+ /* FIXME: check for ares->response, replmd does not fill it ! */
+ if (ares->response) {
+ if (strcmp(ares->response->oid, LDB_EXTENDED_START_TLS_OID) != 0) {
+ ldb_set_errstring(ac->module->ldb,
+ "partition_req_callback:"
+ " Unknown extended reply, "
+ "only supports START_TLS");
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ }
+ }
- if (!ares
- || (ares->type == LDB_REPLY_EXTENDED
- && strcmp(ares->response->oid, LDB_EXTENDED_START_TLS_OID))) {
ac->finished_requests++;
if (ac->finished_requests == ac->num_requests) {
- return ac->orig_req->callback(ldb, ac->orig_req->context, ares);
+ /* this was the last one, call callback */
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response,
+ ac->got_success?LDB_SUCCESS:ares->error);
+ }
+
+ /* not the last, now call the next one */
+ module = ac->part_req[ac->finished_requests].module;
+ nreq = ac->part_req[ac->finished_requests].req;
+
+ ret = partition_request(module, nreq);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL, ret);
}
- talloc_free(ares);
- return LDB_SUCCESS;
+
+ break;
}
- ldb_set_errstring(ldb, "partition_other_callback: Unknown reply type, only supports START_TLS");
+
talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
+ return LDB_SUCCESS;
}
-
-static int partition_send_request(struct partition_context *ac,
+static int partition_prep_request(struct partition_context *ac,
struct dsdb_control_current_partition *partition)
{
int ret;
- struct ldb_module *backend;
struct ldb_request *req;
- if (partition) {
- backend = make_module_for_next_request(ac, ac->module->ldb, partition->module);
- } else {
- backend = ac->module;
- }
-
- ac->down_req = talloc_realloc(ac, ac->down_req,
- struct ldb_request *, ac->num_requests + 1);
- if (!ac->down_req) {
+ ac->part_req = talloc_realloc(ac, ac->part_req,
+ struct part_request,
+ ac->num_requests + 1);
+ if (ac->part_req == NULL) {
ldb_oom(ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- req = ac->down_req[ac->num_requests] = talloc(ac, struct ldb_request);
- if (req == NULL) {
- ldb_oom(ac->module->ldb);
- return LDB_ERR_OPERATIONS_ERROR;
+
+ switch (ac->req->operation) {
+ case LDB_SEARCH:
+ ret = ldb_build_search_req_ex(&req, ac->module->ldb,
+ ac->part_req,
+ ac->req->op.search.base,
+ ac->req->op.search.scope,
+ ac->req->op.search.tree,
+ ac->req->op.search.attrs,
+ ac->req->controls,
+ ac, partition_req_callback,
+ ac->req);
+ break;
+ case LDB_ADD:
+ ret = ldb_build_add_req(&req, ac->module->ldb, ac->part_req,
+ ac->req->op.add.message,
+ ac->req->controls,
+ ac, partition_req_callback,
+ ac->req);
+ break;
+ case LDB_MODIFY:
+ ret = ldb_build_mod_req(&req, ac->module->ldb, ac->part_req,
+ ac->req->op.mod.message,
+ ac->req->controls,
+ ac, partition_req_callback,
+ ac->req);
+ break;
+ case LDB_DELETE:
+ ret = ldb_build_del_req(&req, ac->module->ldb, ac->part_req,
+ ac->req->op.del.dn,
+ ac->req->controls,
+ ac, partition_req_callback,
+ ac->req);
+ break;
+ case LDB_RENAME:
+ ret = ldb_build_rename_req(&req, ac->module->ldb, ac->part_req,
+ ac->req->op.rename.olddn,
+ ac->req->op.rename.newdn,
+ ac->req->controls,
+ ac, partition_req_callback,
+ ac->req);
+ break;
+ case LDB_EXTENDED:
+ ret = ldb_build_extended_req(&req, ac->module->ldb,
+ ac->part_req,
+ ac->req->op.extended.oid,
+ ac->req->op.extended.data,
+ ac->req->controls,
+ ac, partition_req_callback,
+ ac->req);
+ break;
+ default:
+ ldb_set_errstring(ac->module->ldb,
+ "Unsupported request type!");
+ ret = LDB_ERR_UNWILLING_TO_PERFORM;
}
-
- *req = *ac->orig_req; /* copy the request */
- if (req->controls) {
- req->controls
- = talloc_memdup(req,
- ac->orig_req->controls, talloc_get_size(ac->orig_req->controls));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ac->part_req[ac->num_requests].req = req;
+
+ if (ac->req->controls) {
+ req->controls = talloc_memdup(req, ac->req->controls,
+ talloc_get_size(ac->req->controls));
if (req->controls == NULL) {
ldb_oom(ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
}
- if (req->operation == LDB_SEARCH) {
- /* If the search is for 'more' than this partition,
- * then change the basedn, so a remote LDAP server
- * doesn't object */
- if (partition) {
- if (ldb_dn_compare_base(partition->dn, req->op.search.base) != 0) {
- req->op.search.base = partition->dn;
- }
- } else {
- req->op.search.base = NULL;
- }
- req->callback = partition_search_callback;
- req->context = ac;
- } else {
- req->callback = partition_other_callback;
- req->context = ac;
- }
-
if (partition) {
- ret = ldb_request_add_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID, false, partition);
+ ac->part_req[ac->num_requests].module = partition->module;
+
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, partition);
if (ret != LDB_SUCCESS) {
return ret;
}
- }
- /* Spray off search requests the backend */
- ret = ldb_next_request(backend, req);
- if (ret != LDB_SUCCESS) {
- return ret;
+ if (req->operation == LDB_SEARCH) {
+ /* If the search is for 'more' than this partition,
+ * then change the basedn, so a remote LDAP server
+ * doesn't object */
+ if (ldb_dn_compare_base(partition->dn,
+ req->op.search.base) != 0) {
+ req->op.search.base = partition->dn;
+ }
+ }
+
+ } else {
+ /* make sure you put the NEXT module here, or
+ * partition_request() will simply loop forever on itself */
+ ac->part_req[ac->num_requests].module = ac->module->next;
}
ac->num_requests++;
+
return LDB_SUCCESS;
}
+static int partition_call_first(struct partition_context *ac)
+{
+ return partition_request(ac->part_req[0].module, ac->part_req[0].req);
+}
+
/**
* Send a request down to all the partitions
*/
@@ -251,17 +363,19 @@ static int partition_send_all(struct ldb_module *module,
int i;
struct partition_private_data *data = talloc_get_type(module->private_data,
struct partition_private_data);
- int ret = partition_send_request(ac, NULL);
+ int ret = partition_prep_request(ac, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
for (i=0; data && data->partitions && data->partitions[i]; i++) {
- ret = partition_send_request(ac, data->partitions[i]);
+ ret = partition_prep_request(ac, data->partitions[i]);
if (ret != LDB_SUCCESS) {
return ret;
}
}
- return LDB_SUCCESS;
+
+ /* fire the first one */
+ return partition_call_first(ac);
}
/**
@@ -270,21 +384,23 @@ static int partition_send_all(struct ldb_module *module,
*/
static int partition_replicate(struct ldb_module *module, struct ldb_request *req, struct ldb_dn *dn)
{
+ struct partition_context *ac;
unsigned i;
int ret;
struct dsdb_control_current_partition *partition;
- struct ldb_module *backend;
struct partition_private_data *data = talloc_get_type(module->private_data,
struct partition_private_data);
+ if (!data || !data->partitions) {
+ return ldb_next_request(module, req);
+ }
if (req->operation != LDB_SEARCH) {
/* Is this a special DN, we need to replicate to every backend? */
for (i=0; data->replicate && data->replicate[i]; i++) {
if (ldb_dn_compare(data->replicate[i],
dn) == 0) {
- struct partition_context *ac;
- ac = partition_init_handle(req, module);
+ ac = partition_init_ctx(module, req);
if (!ac) {
return LDB_ERR_OPERATIONS_ERROR;
}
@@ -310,18 +426,19 @@ static int partition_replicate(struct ldb_module *module, struct ldb_request *re
return ldb_next_request(module, req);
}
- backend = make_module_for_next_request(req, module->ldb, partition->module);
- if (!backend) {
+ ac = partition_init_ctx(module, req);
+ if (!ac) {
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = ldb_request_add_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID, false, partition);
+ /* we need to add a control but we never touch the original request */
+ ret = partition_prep_request(ac, partition);
if (ret != LDB_SUCCESS) {
return ret;
}
- /* issue request */
- return ldb_next_request(backend, req);
+ /* fire the first one */
+ return partition_call_first(ac);
}
/* search */
@@ -336,6 +453,7 @@ static int partition_search(struct ldb_module *module, struct ldb_request *req)
/* (later) consider if we should be searching multiple
* partitions (for 'invisible' partition behaviour */
+
struct ldb_control *search_control = ldb_request_get_control(req, LDB_CONTROL_SEARCH_OPTIONS_OID);
struct ldb_control *domain_scope_control = ldb_request_get_control(req, LDB_CONTROL_DOMAIN_SCOPE_OID);
@@ -350,6 +468,14 @@ static int partition_search(struct ldb_module *module, struct ldb_request *req)
return LDB_ERR_OPERATIONS_ERROR;
}
+ /*
+ * for now pass down the LDB_CONTROL_SEARCH_OPTIONS_OID control
+ * down as uncritical to make windows 2008 dcpromo happy.
+ */
+ if (search_control) {
+ search_control->critical = 0;
+ }
+
/* TODO:
Generate referrals (look for a partition under this DN) if we don't have the above control specified
*/
@@ -366,7 +492,7 @@ static int partition_search(struct ldb_module *module, struct ldb_request *req)
return LDB_ERR_OPERATIONS_ERROR;
}
}
- ac = partition_init_handle(req, module);
+ ac = partition_init_ctx(module, req);
if (!ac) {
return LDB_ERR_OPERATIONS_ERROR;
}
@@ -376,13 +502,41 @@ static int partition_search(struct ldb_module *module, struct ldb_request *req)
return partition_send_all(module, ac, req);
}
for (i=0; data && data->partitions && data->partitions[i]; i++) {
- /* Find all partitions under the search base */
- if (ldb_dn_compare_base(req->op.search.base, data->partitions[i]->dn) == 0) {
- ret = partition_send_request(ac, data->partitions[i]);
+ bool match = false, stop = false;
+ /* Find all partitions under the search base
+
+ we match if:
+
+ 1) the DN we are looking for exactly matches the partition
+ or
+ 2) the DN we are looking for is a parent of the partition and it isn't
+ a scope base search
+ or
+ 3) the DN we are looking for is a child of the partition
+ */
+ if (ldb_dn_compare(data->partitions[i]->dn, req->op.search.base) == 0) {
+ match = true;
+ if (req->op.search.scope == LDB_SCOPE_BASE) {
+ stop = true;
+ }
+ }
+ if (!match &&
+ (ldb_dn_compare_base(req->op.search.base, data->partitions[i]->dn) == 0 &&
+ req->op.search.scope != LDB_SCOPE_BASE)) {
+ match = true;
+ }
+ if (!match &&
+ ldb_dn_compare_base(data->partitions[i]->dn, req->op.search.base) == 0) {
+ match = true;
+ stop = true; /* note that this relies on partition ordering */
+ }
+ if (match) {
+ ret = partition_prep_request(ac, data->partitions[i]);
if (ret != LDB_SUCCESS) {
return ret;
}
}
+ if (stop) break;
}
/* Perhaps we didn't match any partitions. Try the main partition, only */
@@ -390,8 +544,10 @@ static int partition_search(struct ldb_module *module, struct ldb_request *req)
talloc_free(ac);
return ldb_next_request(module, req);
}
-
- return LDB_SUCCESS;
+
+ /* fire the first one */
+ return partition_call_first(ac);
+
} else {
/* Handle this like all other requests */
if (search_control && (search_options->search_options & ~LDB_SEARCH_OPTION_PHANTOM_ROOT) == 0) {
@@ -429,14 +585,13 @@ static int partition_delete(struct ldb_module *module, struct ldb_request *req)
/* rename */
static int partition_rename(struct ldb_module *module, struct ldb_request *req)
{
- int i, matched = -1;
/* Find backend */
struct dsdb_control_current_partition *backend, *backend2;
struct partition_private_data *data = talloc_get_type(module->private_data,
struct partition_private_data);
- /* Skip the lot if 'data' isn't here yet (initialistion) */
+ /* Skip the lot if 'data' isn't here yet (initialization) */
if (!data) {
return LDB_ERR_OPERATIONS_ERROR;
}
@@ -459,22 +614,6 @@ static int partition_rename(struct ldb_module *module, struct ldb_request *req)
return LDB_ERR_AFFECTS_MULTIPLE_DSAS;
}
- for (i=0; data && data->partitions && data->partitions[i]; i++) {
- if (ldb_dn_compare_base(req->op.rename.olddn, data->partitions[i]->dn) == 0) {
- matched = i;
- }
- }
-
- if (matched > 0) {
- ldb_asprintf_errstring(module->ldb,
- "Cannot rename from %s to %s, subtree rename would cross partition %s: %s",
- ldb_dn_get_linearized(req->op.rename.olddn),
- ldb_dn_get_linearized(req->op.rename.newdn),
- ldb_dn_get_linearized(data->partitions[matched]->dn),
- ldb_strerror(LDB_ERR_AFFECTS_MULTIPLE_DSAS));
- return LDB_ERR_AFFECTS_MULTIPLE_DSAS;
- }
-
return partition_replicate(module, req, req->op.rename.olddn);
}
@@ -486,24 +625,26 @@ static int partition_start_trans(struct ldb_module *module)
struct partition_private_data);
/* Look at base DN */
/* Figure out which partition it is under */
- /* Skip the lot if 'data' isn't here yet (initialistion) */
+ /* Skip the lot if 'data' isn't here yet (initialization) */
ret = ldb_next_start_trans(module);
if (ret != LDB_SUCCESS) {
return ret;
}
for (i=0; data && data->partitions && data->partitions[i]; i++) {
- struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
+ struct ldb_module *next = data->partitions[i]->module;
+ PARTITION_FIND_OP(next, start_transaction);
- ret = ldb_next_start_trans(next);
- talloc_free(next);
+ ret = next->ops->start_transaction(next);
if (ret != LDB_SUCCESS) {
/* Back it out, if it fails on one */
for (i--; i >= 0; i--) {
- next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
- ldb_next_del_trans(next);
- talloc_free(next);
+ next = data->partitions[i]->module;
+ PARTITION_FIND_OP(next, del_transaction);
+
+ next->ops->del_transaction(next);
}
+ ldb_next_del_trans(module);
return ret;
}
}
@@ -513,7 +654,7 @@ static int partition_start_trans(struct ldb_module *module)
/* end a transaction */
static int partition_end_trans(struct ldb_module *module)
{
- int i, ret, ret2 = LDB_SUCCESS;
+ int i, ret;
struct partition_private_data *data = talloc_get_type(module->private_data,
struct partition_private_data);
ret = ldb_next_end_trans(module);
@@ -525,24 +666,24 @@ static int partition_end_trans(struct ldb_module *module)
/* Figure out which partition it is under */
/* Skip the lot if 'data' isn't here yet (initialistion) */
for (i=0; data && data->partitions && data->partitions[i]; i++) {
- struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
-
- ret = ldb_next_end_trans(next);
- talloc_free(next);
+ struct ldb_module *next = data->partitions[i]->module;
+ PARTITION_FIND_OP(next, end_transaction);
+
+ ret = next->ops->end_transaction(next);
if (ret != LDB_SUCCESS) {
- ret2 = ret;
- }
- }
+ /* Back it out, if it fails on one */
+ for (i--; i >= 0; i--) {
+ next = data->partitions[i]->module;
+ PARTITION_FIND_OP(next, del_transaction);
- if (ret != LDB_SUCCESS) {
- /* Back it out, if it fails on one */
- for (i=0; data && data->partitions && data->partitions[i]; i++) {
- struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
- ldb_next_del_trans(next);
- talloc_free(next);
+ next->ops->del_transaction(next);
+ }
+ ldb_next_del_trans(module);
+ return ret;
}
}
- return ret;
+
+ return LDB_SUCCESS;
}
/* delete a transaction */
@@ -560,10 +701,10 @@ static int partition_del_trans(struct ldb_module *module)
/* Figure out which partition it is under */
/* Skip the lot if 'data' isn't here yet (initialistion) */
for (i=0; data && data->partitions && data->partitions[i]; i++) {
- struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
-
- ret = ldb_next_del_trans(next);
- talloc_free(next);
+ struct ldb_module *next = data->partitions[i]->module;
+ PARTITION_FIND_OP(next, del_transaction);
+
+ ret = next->ops->del_transaction(next);
if (ret != LDB_SUCCESS) {
ret2 = ret;
}
@@ -571,6 +712,8 @@ static int partition_del_trans(struct ldb_module *module)
return ret2;
}
+
+/* FIXME: This function is still semi-async */
static int partition_sequence_number(struct ldb_module *module, struct ldb_request *req)
{
int i, ret;
@@ -579,105 +722,241 @@ static int partition_sequence_number(struct ldb_module *module, struct ldb_reque
uint64_t timestamp = 0;
struct partition_private_data *data = talloc_get_type(module->private_data,
struct partition_private_data);
+ struct ldb_seqnum_request *seq;
+ struct ldb_seqnum_result *seqr;
+ struct ldb_request *treq;
+ struct ldb_seqnum_request *tseq;
+ struct ldb_seqnum_result *tseqr;
+ struct ldb_extended *ext;
+ struct ldb_result *res;
+
+ seq = talloc_get_type(req->op.extended.data, struct ldb_seqnum_request);
- switch (req->op.seq_num.type) {
+ switch (seq->type) {
case LDB_SEQ_NEXT:
case LDB_SEQ_HIGHEST_SEQ:
- ret = ldb_next_request(module, req);
+ res = talloc_zero(req, struct ldb_result);
+ if (res == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ tseq = talloc_zero(res, struct ldb_seqnum_request);
+ if (tseq == NULL) {
+ talloc_free(res);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ tseq->type = seq->type;
+
+ ret = ldb_build_extended_req(&treq, module->ldb, res,
+ LDB_EXTENDED_SEQUENCE_NUMBER,
+ tseq,
+ NULL,
+ res,
+ ldb_extended_default_callback,
+ NULL);
+ ret = ldb_next_request(module, treq);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(treq->handle, LDB_WAIT_ALL);
+ }
if (ret != LDB_SUCCESS) {
+ talloc_free(res);
return ret;
}
- if (req->op.seq_num.flags & LDB_SEQ_TIMESTAMP_SEQUENCE) {
- timestamp_sequence = req->op.seq_num.seq_num;
+ seqr = talloc_get_type(res->extended->data,
+ struct ldb_seqnum_result);
+ if (seqr->flags & LDB_SEQ_TIMESTAMP_SEQUENCE) {
+ timestamp_sequence = seqr->seq_num;
} else {
- seq_number = seq_number + req->op.seq_num.seq_num;
+ seq_number += seqr->seq_num;
}
+ talloc_free(res);
- /* Look at base DN */
- /* Figure out which partition it is under */
/* Skip the lot if 'data' isn't here yet (initialistion) */
for (i=0; data && data->partitions && data->partitions[i]; i++) {
- struct ldb_module *next = make_module_for_next_request(req, module->ldb, data->partitions[i]->module);
-
- ret = ldb_request_add_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID, false, data->partitions[i]);
+
+ res = talloc_zero(req, struct ldb_result);
+ if (res == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ tseq = talloc_zero(res, struct ldb_seqnum_request);
+ if (tseq == NULL) {
+ talloc_free(res);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ tseq->type = seq->type;
+
+ ret = ldb_build_extended_req(&treq, module->ldb, res,
+ LDB_EXTENDED_SEQUENCE_NUMBER,
+ tseq,
+ NULL,
+ res,
+ ldb_extended_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+
+ ret = ldb_request_add_control(treq,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, data->partitions[i]);
if (ret != LDB_SUCCESS) {
+ talloc_free(res);
return ret;
}
- ret = ldb_next_request(next, req);
- talloc_free(next);
+ ret = partition_request(data->partitions[i]->module, treq);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+ ret = ldb_wait(treq->handle, LDB_WAIT_ALL);
if (ret != LDB_SUCCESS) {
+ talloc_free(res);
return ret;
}
- if (req->op.seq_num.flags & LDB_SEQ_TIMESTAMP_SEQUENCE) {
- timestamp_sequence = MAX(timestamp_sequence, req->op.seq_num.seq_num);
+ tseqr = talloc_get_type(res->extended->data,
+ struct ldb_seqnum_result);
+ if (tseqr->flags & LDB_SEQ_TIMESTAMP_SEQUENCE) {
+ timestamp_sequence = MAX(timestamp_sequence,
+ tseqr->seq_num);
} else {
- seq_number = seq_number + req->op.seq_num.seq_num;
+ seq_number += tseqr->seq_num;
}
+ talloc_free(res);
}
- /* fall though */
+ /* fall through */
case LDB_SEQ_HIGHEST_TIMESTAMP:
- {
- struct ldb_request *date_req = talloc(req, struct ldb_request);
- if (!date_req) {
+
+ res = talloc_zero(req, struct ldb_result);
+ if (res == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- *date_req = *req;
- date_req->op.seq_num.flags = LDB_SEQ_HIGHEST_TIMESTAMP;
- ret = ldb_next_request(module, date_req);
+ tseq = talloc_zero(res, struct ldb_seqnum_request);
+ if (tseq == NULL) {
+ talloc_free(res);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ tseq->type = LDB_SEQ_HIGHEST_TIMESTAMP;
+
+ ret = ldb_build_extended_req(&treq, module->ldb, res,
+ LDB_EXTENDED_SEQUENCE_NUMBER,
+ tseq,
+ NULL,
+ res,
+ ldb_extended_default_callback,
+ NULL);
if (ret != LDB_SUCCESS) {
+ talloc_free(res);
return ret;
}
- timestamp = date_req->op.seq_num.seq_num;
-
- /* Look at base DN */
- /* Figure out which partition it is under */
+
+ ret = ldb_next_request(module, treq);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+ ret = ldb_wait(treq->handle, LDB_WAIT_ALL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+
+ tseqr = talloc_get_type(res->extended->data,
+ struct ldb_seqnum_result);
+ timestamp = tseqr->seq_num;
+
+ talloc_free(res);
+
/* Skip the lot if 'data' isn't here yet (initialistion) */
for (i=0; data && data->partitions && data->partitions[i]; i++) {
- struct ldb_module *next = make_module_for_next_request(req, module->ldb, data->partitions[i]->module);
-
- ret = ldb_next_request(next, date_req);
- talloc_free(next);
+
+ res = talloc_zero(req, struct ldb_result);
+ if (res == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ tseq = talloc_zero(res, struct ldb_seqnum_request);
+ if (tseq == NULL) {
+ talloc_free(res);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ tseq->type = LDB_SEQ_HIGHEST_TIMESTAMP;
+
+ ret = ldb_build_extended_req(&treq, module->ldb, res,
+ LDB_EXTENDED_SEQUENCE_NUMBER,
+ tseq,
+ NULL,
+ res,
+ ldb_extended_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+
+ ret = partition_request(data->partitions[i]->module, treq);
if (ret != LDB_SUCCESS) {
+ talloc_free(res);
return ret;
}
- timestamp = MAX(timestamp, date_req->op.seq_num.seq_num);
+ ret = ldb_wait(treq->handle, LDB_WAIT_ALL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+
+ tseqr = talloc_get_type(res->extended->data,
+ struct ldb_seqnum_result);
+ timestamp = MAX(timestamp, tseqr->seq_num);
+
+ talloc_free(res);
}
+
break;
}
+
+ ext = talloc_zero(req, struct ldb_extended);
+ if (!ext) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ seqr = talloc_zero(ext, struct ldb_seqnum_result);
+ if (seqr == NULL) {
+ talloc_free(ext);
+ return LDB_ERR_OPERATIONS_ERROR;
}
+ ext->oid = LDB_EXTENDED_SEQUENCE_NUMBER;
+ ext->data = seqr;
- switch (req->op.seq_num.flags) {
+ switch (seq->type) {
case LDB_SEQ_NEXT:
case LDB_SEQ_HIGHEST_SEQ:
-
- req->op.seq_num.flags = 0;
/* Has someone above set a timebase sequence? */
if (timestamp_sequence) {
- req->op.seq_num.seq_num = (((unsigned long long)timestamp << 24) | (seq_number & 0xFFFFFF));
+ seqr->seq_num = (((unsigned long long)timestamp << 24) | (seq_number & 0xFFFFFF));
} else {
- req->op.seq_num.seq_num = seq_number;
+ seqr->seq_num = seq_number;
}
- if (timestamp_sequence > req->op.seq_num.seq_num) {
- req->op.seq_num.seq_num = timestamp_sequence;
- req->op.seq_num.flags |= LDB_SEQ_TIMESTAMP_SEQUENCE;
+ if (timestamp_sequence > seqr->seq_num) {
+ seqr->seq_num = timestamp_sequence;
+ seqr->flags |= LDB_SEQ_TIMESTAMP_SEQUENCE;
}
- req->op.seq_num.flags |= LDB_SEQ_GLOBAL_SEQUENCE;
+ seqr->flags |= LDB_SEQ_GLOBAL_SEQUENCE;
break;
case LDB_SEQ_HIGHEST_TIMESTAMP:
- req->op.seq_num.seq_num = timestamp;
+ seqr->seq_num = timestamp;
break;
}
- switch (req->op.seq_num.flags) {
- case LDB_SEQ_NEXT:
- req->op.seq_num.seq_num++;
+ if (seq->type == LDB_SEQ_NEXT) {
+ seqr->seq_num++;
}
- return LDB_SUCCESS;
+
+ /* send request done */
+ return ldb_module_done(req, NULL, ext, LDB_SUCCESS);
}
static int partition_extended_replicated_objects(struct ldb_module *module, struct ldb_request *req)
@@ -705,7 +984,6 @@ static int partition_extended_schema_update_now(struct ldb_module *module, struc
struct partition_private_data *data;
struct ldb_dn *schema_dn;
struct partition_context *ac;
- struct ldb_module *backend;
int ret;
schema_dn = talloc_get_type(req->op.extended.data, struct ldb_dn);
@@ -724,30 +1002,37 @@ static int partition_extended_schema_update_now(struct ldb_module *module, struc
return ldb_next_request(module, req);
}
- ac = partition_init_handle(req, module);
+ ac = partition_init_ctx(module, req);
if (!ac) {
return LDB_ERR_OPERATIONS_ERROR;
}
- backend = make_module_for_next_request(req, module->ldb, partition->module);
- if (!backend) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = ldb_request_add_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID, false, partition);
+ /* we need to add a control but we never touch the original request */
+ ret = partition_prep_request(ac, partition);
if (ret != LDB_SUCCESS) {
return ret;
}
- return ldb_next_request(backend, req);
+ /* fire the first one */
+ return partition_call_first(ac);
}
/* extended */
static int partition_extended(struct ldb_module *module, struct ldb_request *req)
{
+ struct partition_private_data *data;
struct partition_context *ac;
+ data = talloc_get_type(module->private_data, struct partition_private_data);
+ if (!data || !data->partitions) {
+ return ldb_next_request(module, req);
+ }
+
+ if (strcmp(req->op.extended.oid, LDB_EXTENDED_SEQUENCE_NUMBER) == 0) {
+ return partition_sequence_number(module, req);
+ }
+
if (strcmp(req->op.extended.oid, DSDB_EXTENDED_REPLICATED_OBJECTS_OID) == 0) {
return partition_extended_replicated_objects(module, req);
}
@@ -762,27 +1047,23 @@ static int partition_extended(struct ldb_module *module, struct ldb_request *req
* we need to send it to all partitions
*/
- ac = partition_init_handle(req, module);
+ ac = partition_init_ctx(module, req);
if (!ac) {
return LDB_ERR_OPERATIONS_ERROR;
}
-
+
return partition_send_all(module, ac, req);
}
-static int sort_compare(void *void1,
- void *void2, void *opaque)
+static int partition_sort_compare(const void *v1, const void *v2)
{
- struct dsdb_control_current_partition **pp1 =
- (struct dsdb_control_current_partition **)void1;
- struct dsdb_control_current_partition **pp2 =
- (struct dsdb_control_current_partition **)void2;
- struct dsdb_control_current_partition *partition1 = talloc_get_type(*pp1,
- struct dsdb_control_current_partition);
- struct dsdb_control_current_partition *partition2 = talloc_get_type(*pp2,
- struct dsdb_control_current_partition);
-
- return ldb_dn_compare(partition1->dn, partition2->dn);
+ struct dsdb_control_current_partition *p1;
+ struct dsdb_control_current_partition *p2;
+
+ p1 = *((struct dsdb_control_current_partition **)v1);
+ p2 = *((struct dsdb_control_current_partition **)v2);
+
+ return ldb_dn_compare(p1->dn, p2->dn);
}
static int partition_init(struct ldb_module *module)
@@ -807,15 +1088,13 @@ static int partition_init(struct ldb_module *module)
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = ldb_search(module->ldb, ldb_dn_new(mem_ctx, module->ldb, "@PARTITION"),
- LDB_SCOPE_BASE,
- NULL, attrs,
- &res);
+ ret = ldb_search(module->ldb, mem_ctx, &res,
+ ldb_dn_new(mem_ctx, module->ldb, "@PARTITION"),
+ LDB_SCOPE_BASE, attrs, NULL);
if (ret != LDB_SUCCESS) {
talloc_free(mem_ctx);
return ret;
}
- talloc_steal(mem_ctx, res);
if (res->count == 0) {
talloc_free(mem_ctx);
return ldb_next_init(module);
@@ -890,8 +1169,8 @@ static int partition_init(struct ldb_module *module)
data->partitions[i] = NULL;
/* sort these into order, most to least specific */
- ldb_qsort(data->partitions, partition_attributes->num_values, sizeof(*data->partitions),
- module->ldb, sort_compare);
+ qsort(data->partitions, partition_attributes->num_values,
+ sizeof(*data->partitions), partition_sort_compare);
for (i=0; data->partitions[i]; i++) {
struct ldb_request *req;
@@ -904,8 +1183,19 @@ static int partition_init(struct ldb_module *module)
req->operation = LDB_REQ_REGISTER_PARTITION;
req->op.reg_partition.dn = data->partitions[i]->dn;
+ req->callback = ldb_op_default_callback;
+
+ ldb_set_timeout(module->ldb, req, 0);
+
+ req->handle = ldb_handle_new(req, module->ldb);
+ if (req->handle == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
ret = ldb_request(module->ldb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
if (ret != LDB_SUCCESS) {
ldb_debug(module->ldb, LDB_DEBUG_ERROR, "partition: Unable to register partition with rootdse!\n");
talloc_free(mem_ctx);
@@ -923,7 +1213,7 @@ static int partition_init(struct ldb_module *module)
talloc_free(mem_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
-
+
for (i=0; i < replicate_attributes->num_values; i++) {
data->replicate[i] = ldb_dn_from_ldb_val(data->replicate, module->ldb, &replicate_attributes->values[i]);
if (!ldb_dn_validate(data->replicate[i])) {
@@ -1014,74 +1304,22 @@ static int partition_init(struct ldb_module *module)
}
}
- talloc_free(mem_ctx);
- return ldb_next_init(module);
-}
-
-static int partition_wait_none(struct ldb_handle *handle) {
- struct partition_context *ac;
- int ret;
- int i;
-
- if (!handle || !handle->private_data) {
+ ret = ldb_mod_register_control(module, LDB_CONTROL_DOMAIN_SCOPE_OID);
+ if (ret != LDB_SUCCESS) {
+ ldb_debug(module->ldb, LDB_DEBUG_ERROR,
+ "partition: Unable to register control with rootdse!\n");
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 partition_context);
-
- for (i=0; i < ac->num_requests; i++) {
- ret = ldb_wait(ac->down_req[i]->handle, LDB_WAIT_NONE);
-
- if (ret != LDB_SUCCESS) {
- handle->status = ret;
- goto done;
- }
- if (ac->down_req[i]->handle->status != LDB_SUCCESS) {
- handle->status = ac->down_req[i]->handle->status;
- goto done;
- }
-
- if (ac->down_req[i]->handle->state != LDB_ASYNC_DONE) {
- return LDB_SUCCESS;
- }
- }
-
- ret = LDB_SUCCESS;
-
-done:
- handle->state = LDB_ASYNC_DONE;
- return ret;
-}
-
-
-static int partition_wait_all(struct ldb_handle *handle) {
-
- int ret;
-
- while (handle->state != LDB_ASYNC_DONE) {
- ret = partition_wait_none(handle);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ ret = ldb_mod_register_control(module, LDB_CONTROL_SEARCH_OPTIONS_OID);
+ if (ret != LDB_SUCCESS) {
+ ldb_debug(module->ldb, LDB_DEBUG_ERROR,
+ "partition: Unable to register control with rootdse!\n");
+ return LDB_ERR_OPERATIONS_ERROR;
}
- return handle->status;
-}
-
-static int partition_wait(struct ldb_handle *handle, enum ldb_wait_type type)
-{
- if (type == LDB_WAIT_ALL) {
- return partition_wait_all(handle);
- } else {
- return partition_wait_none(handle);
- }
+ talloc_free(mem_ctx);
+ return ldb_next_init(module);
}
_PUBLIC_ const struct ldb_module_ops ldb_partition_module_ops = {
@@ -1093,9 +1331,7 @@ _PUBLIC_ const struct ldb_module_ops ldb_partition_module_ops = {
.del = partition_delete,
.rename = partition_rename,
.extended = partition_extended,
- .sequence_number = partition_sequence_number,
.start_transaction = partition_start_trans,
.end_transaction = partition_end_trans,
.del_transaction = partition_del_trans,
- .wait = partition_wait
};