2 Unix SMB/CIFS implementation.
4 Samba internal messaging functions
6 Copyright (C) Andrew Tridgell 2004
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "lib/events/events.h"
24 #include "lib/util/server_id.h"
25 #include "system/filesys.h"
26 #include "messaging/messaging.h"
27 #include "messaging/messaging_internal.h"
28 #include "../lib/util/dlinklist.h"
29 #include "lib/socket/socket.h"
30 #include "librpc/gen_ndr/ndr_irpc.h"
31 #include "lib/messaging/irpc.h"
32 #include "../lib/util/unix_privs.h"
33 #include "librpc/rpc/dcerpc.h"
34 #include "cluster/cluster.h"
35 #include "../lib/util/tevent_ntstatus.h"
36 #include "lib/param/param.h"
37 #include "lib/util/server_id_db.h"
38 #include "lib/util/talloc_report.h"
39 #include "../source3/lib/messages_dgm.h"
40 #include "../source3/lib/messages_dgm_ref.h"
41 #include "../source3/lib/messages_util.h"
44 /* change the message version with any incompatible changes in the protocol */
45 #define IMESSAGING_VERSION 1
51 struct imessaging_context *msg_ctx;
54 void (*handler)(struct irpc_request *irpc, struct irpc_message *m);
59 /* we have a linked list of dispatch handlers for each msg_type that
60 this messaging server can deal with */
62 struct dispatch_fn *next, *prev;
68 /* an individual message */
70 static void irpc_handler(struct imessaging_context *, void *,
71 uint32_t, struct server_id, DATA_BLOB *);
75 A useful function for testing the message system.
77 static void ping_message(struct imessaging_context *msg, void *private_data,
78 uint32_t msg_type, struct server_id src, DATA_BLOB *data)
80 struct server_id_buf idbuf;
81 DEBUG(1,("INFO: Received PING message from server %s [%.*s]\n",
82 server_id_str_buf(src, &idbuf), (int)data->length,
83 data->data?(const char *)data->data:""));
84 imessaging_send(msg, src, MSG_PONG, data);
87 static void pool_message(struct imessaging_context *msg, void *private_data,
88 uint32_t msg_type, struct server_id src,
93 report = talloc_report_str(msg, NULL);
96 DATA_BLOB blob = { .data = (uint8_t *)report,
97 .length = talloc_get_size(report) - 1};
98 imessaging_send(msg, src, MSG_POOL_USAGE, &blob);
103 static void ringbuf_log_msg(struct imessaging_context *msg,
106 struct server_id src,
109 char *log = debug_get_ringbuf();
110 size_t logsize = debug_get_ringbuf_size();
114 log = discard_const_p(char, "*disabled*\n");
115 logsize = strlen(log) + 1;
118 blob.data = (uint8_t *)log;
119 blob.length = logsize;
121 imessaging_send(msg, src, MSG_RINGBUF_LOG, &blob);
125 return uptime of messaging server via irpc
127 static NTSTATUS irpc_uptime(struct irpc_message *msg,
128 struct irpc_uptime *r)
130 struct imessaging_context *ctx = talloc_get_type(msg->private_data, struct imessaging_context);
131 *r->out.start_time = timeval_to_nttime(&ctx->start_time);
135 static struct dispatch_fn *imessaging_find_dispatch(
136 struct imessaging_context *msg, uint32_t msg_type)
138 /* temporary IDs use an idtree, the rest use a array of pointers */
139 if (msg_type >= MSG_TMP_BASE) {
140 return (struct dispatch_fn *)idr_find(msg->dispatch_tree,
143 if (msg_type < msg->num_types) {
144 return msg->dispatch[msg_type];
150 Register a dispatch function for a particular message type.
152 NTSTATUS imessaging_register(struct imessaging_context *msg, void *private_data,
153 uint32_t msg_type, msg_callback_t fn)
155 struct dispatch_fn *d;
157 /* possibly expand dispatch array */
158 if (msg_type >= msg->num_types) {
159 struct dispatch_fn **dp;
161 dp = talloc_realloc(msg, msg->dispatch, struct dispatch_fn *, msg_type+1);
162 NT_STATUS_HAVE_NO_MEMORY(dp);
164 for (i=msg->num_types;i<=msg_type;i++) {
165 msg->dispatch[i] = NULL;
167 msg->num_types = msg_type+1;
170 d = talloc_zero(msg->dispatch, struct dispatch_fn);
171 NT_STATUS_HAVE_NO_MEMORY(d);
172 d->msg_type = msg_type;
173 d->private_data = private_data;
176 DLIST_ADD(msg->dispatch[msg_type], d);
182 register a temporary message handler. The msg_type is allocated
185 NTSTATUS imessaging_register_tmp(struct imessaging_context *msg, void *private_data,
186 msg_callback_t fn, uint32_t *msg_type)
188 struct dispatch_fn *d;
191 d = talloc_zero(msg->dispatch, struct dispatch_fn);
192 NT_STATUS_HAVE_NO_MEMORY(d);
193 d->private_data = private_data;
196 id = idr_get_new_above(msg->dispatch_tree, d, MSG_TMP_BASE, UINT16_MAX);
199 return NT_STATUS_TOO_MANY_CONTEXT_IDS;
202 d->msg_type = (uint32_t)id;
203 (*msg_type) = d->msg_type;
209 De-register the function for a particular message type.
211 void imessaging_deregister(struct imessaging_context *msg, uint32_t msg_type, void *private_data)
213 struct dispatch_fn *d, *next;
215 if (msg_type >= msg->num_types) {
216 d = (struct dispatch_fn *)idr_find(msg->dispatch_tree,
219 idr_remove(msg->dispatch_tree, msg_type);
224 for (d = msg->dispatch[msg_type]; d; d = next) {
226 if (d->private_data == private_data) {
227 DLIST_REMOVE(msg->dispatch[msg_type], d);
235 int imessaging_cleanup(struct imessaging_context *msg)
243 static void imessaging_dgm_recv(struct tevent_context *ev,
244 const uint8_t *buf, size_t buf_len,
245 int *fds, size_t num_fds,
248 /* Keep a list of imessaging contexts */
249 static struct imessaging_context *msg_ctxs;
251 static int imessaging_context_destructor(struct imessaging_context *msg)
253 DLIST_REMOVE(msg_ctxs, msg);
254 TALLOC_FREE(msg->msg_dgm_ref);
259 * Cleanup messaging dgm contexts
261 * We must make sure to unref all messaging_dgm_ref's *before* the
262 * tevent context goes away. Only when the last ref is freed, the
263 * refcounted messaging dgm context will be freed.
265 void imessaging_dgm_unref_all(void)
267 struct imessaging_context *msg = NULL;
269 for (msg = msg_ctxs; msg != NULL; msg = msg->next) {
270 TALLOC_FREE(msg->msg_dgm_ref);
274 static NTSTATUS imessaging_reinit(struct imessaging_context *msg)
278 TALLOC_FREE(msg->msg_dgm_ref);
280 msg->server_id.pid = getpid();
282 msg->msg_dgm_ref = messaging_dgm_ref(msg,
284 &msg->server_id.unique_id,
291 if (msg->msg_dgm_ref == NULL) {
292 DEBUG(2, ("messaging_dgm_ref failed: %s\n",
294 return map_nt_error_from_unix_common(ret);
297 server_id_db_reinit(msg->names, msg->server_id);
302 * Must be called after a fork.
304 NTSTATUS imessaging_reinit_all(void)
306 struct imessaging_context *msg = NULL;
308 for (msg = msg_ctxs; msg != NULL; msg = msg->next) {
309 NTSTATUS status = imessaging_reinit(msg);
310 if (!NT_STATUS_IS_OK(status)) {
318 create the listening socket and setup the dispatcher
320 struct imessaging_context *imessaging_init(TALLOC_CTX *mem_ctx,
321 struct loadparm_context *lp_ctx,
322 struct server_id server_id,
323 struct tevent_context *ev)
326 struct imessaging_context *msg;
329 const char *lock_dir = NULL;
330 int tdb_flags = TDB_INCOMPATIBLE_HASH | TDB_CLEAR_IF_FIRST;
336 msg = talloc_zero(mem_ctx, struct imessaging_context);
342 talloc_set_destructor(msg, imessaging_context_destructor);
344 /* create the messaging directory if needed */
346 lock_dir = lpcfg_lock_directory(lp_ctx);
347 if (lock_dir == NULL) {
351 msg->sock_dir = lpcfg_private_path(msg, lp_ctx, "msg.sock");
352 if (msg->sock_dir == NULL) {
355 ok = directory_create_or_exist_strict(msg->sock_dir, geteuid(), 0700);
360 msg->lock_dir = lpcfg_lock_path(msg, lp_ctx, "msg.lock");
361 if (msg->lock_dir == NULL) {
364 ok = directory_create_or_exist_strict(msg->lock_dir, geteuid(), 0755);
369 msg->msg_dgm_ref = messaging_dgm_ref(
370 msg, ev, &server_id.unique_id, msg->sock_dir, msg->lock_dir,
371 imessaging_dgm_recv, msg, &ret);
373 if (msg->msg_dgm_ref == NULL) {
377 msg->server_id = server_id;
378 msg->idr = idr_init(msg);
379 if (msg->idr == NULL) {
383 msg->dispatch_tree = idr_init(msg);
384 if (msg->dispatch_tree == NULL) {
388 msg->start_time = timeval_current();
390 tdb_flags |= lpcfg_tdb_flags(lp_ctx, 0);
392 msg->names = server_id_db_init(msg, server_id, lock_dir, 0, tdb_flags);
393 if (msg->names == NULL) {
397 status = imessaging_register(msg, NULL, MSG_PING, ping_message);
398 if (!NT_STATUS_IS_OK(status)) {
401 status = imessaging_register(msg, NULL, MSG_REQ_POOL_USAGE,
403 if (!NT_STATUS_IS_OK(status)) {
406 status = imessaging_register(msg, NULL, MSG_IRPC, irpc_handler);
407 if (!NT_STATUS_IS_OK(status)) {
410 status = imessaging_register(msg, NULL, MSG_REQ_RINGBUF_LOG,
412 if (!NT_STATUS_IS_OK(status)) {
415 status = IRPC_REGISTER(msg, irpc, IRPC_UPTIME, irpc_uptime, msg);
416 if (!NT_STATUS_IS_OK(status)) {
420 DLIST_ADD(msg_ctxs, msg);
428 struct imessaging_post_state {
429 struct imessaging_context *msg_ctx;
434 static void imessaging_post_handler(struct tevent_context *ev,
435 struct tevent_immediate *ti,
438 struct imessaging_post_state *state = talloc_get_type_abort(
439 private_data, struct imessaging_post_state);
440 imessaging_dgm_recv(ev, state->buf, state->buf_len, NULL, 0,
445 static int imessaging_post_self(struct imessaging_context *msg,
446 const uint8_t *buf, size_t buf_len)
448 struct tevent_immediate *ti;
449 struct imessaging_post_state *state;
452 msg, offsetof(struct imessaging_post_state, buf) + buf_len);
456 talloc_set_name_const(state, "struct imessaging_post_state");
458 ti = tevent_create_immediate(state);
464 state->msg_ctx = msg;
465 state->buf_len = buf_len;
466 memcpy(state->buf, buf, buf_len);
468 tevent_schedule_immediate(ti, msg->ev, imessaging_post_handler,
474 static void imessaging_dgm_recv(struct tevent_context *ev,
475 const uint8_t *buf, size_t buf_len,
476 int *fds, size_t num_fds,
479 struct imessaging_context *msg = talloc_get_type_abort(
480 private_data, struct imessaging_context);
482 struct server_id src, dst;
483 struct server_id_buf srcbuf, dstbuf;
486 if (buf_len < MESSAGE_HDR_LENGTH) {
487 /* Invalid message, ignore */
493 * Source4 based messaging does not expect fd's yet
500 ret = imessaging_post_self(msg, buf, buf_len);
502 DBG_WARNING("imessaging_post_self failed: %s\n",
508 message_hdr_get(&msg_type, &src, &dst, buf);
510 data.data = discard_const_p(uint8_t, buf + MESSAGE_HDR_LENGTH);
511 data.length = buf_len - MESSAGE_HDR_LENGTH;
513 if ((cluster_id_equal(&dst, &msg->server_id)) ||
514 ((dst.task_id == 0) && (msg->server_id.pid == 0))) {
515 struct dispatch_fn *d, *next;
517 DEBUG(10, ("%s: dst %s matches my id: %s, type=0x%x\n",
519 server_id_str_buf(dst, &dstbuf),
520 server_id_str_buf(msg->server_id, &srcbuf),
521 (unsigned)msg_type));
523 d = imessaging_find_dispatch(msg, msg_type);
525 for (; d; d = next) {
527 d->fn(msg, d->private_data, d->msg_type, src, &data);
530 DEBUG(10, ("%s: Ignoring type=0x%x dst %s, I am %s, \n",
531 __func__, (unsigned)msg_type,
532 server_id_str_buf(dst, &dstbuf),
533 server_id_str_buf(msg->server_id, &srcbuf)));
538 A hack, for the short term until we get 'client only' messaging in place
540 struct imessaging_context *imessaging_client_init(TALLOC_CTX *mem_ctx,
541 struct loadparm_context *lp_ctx,
542 struct tevent_context *ev)
547 id.task_id = generate_random();
548 id.vnn = NONCLUSTER_VNN;
550 /* This is because we are not in the s3 serverid database */
551 id.unique_id = SERVERID_UNIQUE_ID_NOT_TO_VERIFY;
553 return imessaging_init(mem_ctx, lp_ctx, id, ev);
556 a list of registered irpc server functions
559 struct irpc_list *next, *prev;
561 const struct ndr_interface_table *table;
569 register a irpc server function
571 NTSTATUS irpc_register(struct imessaging_context *msg_ctx,
572 const struct ndr_interface_table *table,
573 int callnum, irpc_function_t fn, void *private_data)
575 struct irpc_list *irpc;
577 /* override an existing handler, if any */
578 for (irpc=msg_ctx->irpc; irpc; irpc=irpc->next) {
579 if (irpc->table == table && irpc->callnum == callnum) {
584 irpc = talloc(msg_ctx, struct irpc_list);
585 NT_STATUS_HAVE_NO_MEMORY(irpc);
586 DLIST_ADD(msg_ctx->irpc, irpc);
590 irpc->callnum = callnum;
592 irpc->private_data = private_data;
593 irpc->uuid = irpc->table->syntax_id.uuid;
600 handle an incoming irpc reply message
602 static void irpc_handler_reply(struct imessaging_context *msg_ctx, struct irpc_message *m)
604 struct irpc_request *irpc;
606 irpc = (struct irpc_request *)idr_find(msg_ctx->idr, m->header.callid);
607 if (irpc == NULL) return;
609 irpc->incoming.handler(irpc, m);
615 NTSTATUS irpc_send_reply(struct irpc_message *m, NTSTATUS status)
617 struct ndr_push *push;
619 enum ndr_err_code ndr_err;
621 m->header.status = status;
623 /* setup the reply */
624 push = ndr_push_init_ctx(m->ndr);
626 status = NT_STATUS_NO_MEMORY;
630 m->header.flags |= IRPC_FLAG_REPLY;
631 m->header.creds.token= NULL;
633 /* construct the packet */
634 ndr_err = ndr_push_irpc_header(push, NDR_SCALARS|NDR_BUFFERS, &m->header);
635 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
636 status = ndr_map_error2ntstatus(ndr_err);
640 ndr_err = m->irpc->table->calls[m->irpc->callnum].ndr_push(push, NDR_OUT, m->data);
641 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
642 status = ndr_map_error2ntstatus(ndr_err);
646 /* send the reply message */
647 packet = ndr_push_blob(push);
648 status = imessaging_send(m->msg_ctx, m->from, MSG_IRPC, &packet);
649 if (!NT_STATUS_IS_OK(status)) goto failed;
657 handle an incoming irpc request message
659 static void irpc_handler_request(struct imessaging_context *msg_ctx,
660 struct irpc_message *m)
664 enum ndr_err_code ndr_err;
666 for (i=msg_ctx->irpc; i; i=i->next) {
667 if (GUID_equal(&i->uuid, &m->header.uuid) &&
668 i->table->syntax_id.if_version == m->header.if_version &&
669 i->callnum == m->header.callnum) {
675 /* no registered handler for this message */
680 /* allocate space for the structure */
681 r = talloc_zero_size(m->ndr, i->table->calls[m->header.callnum].struct_size);
682 if (r == NULL) goto failed;
684 m->ndr->flags |= LIBNDR_FLAG_REF_ALLOC;
686 /* parse the request data */
687 ndr_err = i->table->calls[i->callnum].ndr_pull(m->ndr, NDR_IN, r);
688 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) goto failed;
691 m->private_data= i->private_data;
692 m->defer_reply = false;
694 m->msg_ctx = msg_ctx;
698 m->header.status = i->fn(m, r);
701 /* the server function won't ever be replying to this request */
706 if (m->defer_reply) {
707 /* the server function has asked to defer the reply to later */
708 talloc_steal(msg_ctx, m);
712 irpc_send_reply(m, m->header.status);
720 handle an incoming irpc message
722 static void irpc_handler(struct imessaging_context *msg_ctx, void *private_data,
723 uint32_t msg_type, struct server_id src, DATA_BLOB *packet)
725 struct irpc_message *m;
726 enum ndr_err_code ndr_err;
728 m = talloc(msg_ctx, struct irpc_message);
729 if (m == NULL) goto failed;
733 m->ndr = ndr_pull_init_blob(packet, m);
734 if (m->ndr == NULL) goto failed;
736 m->ndr->flags |= LIBNDR_FLAG_REF_ALLOC;
738 ndr_err = ndr_pull_irpc_header(m->ndr, NDR_BUFFERS|NDR_SCALARS, &m->header);
739 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) goto failed;
741 if (m->header.flags & IRPC_FLAG_REPLY) {
742 irpc_handler_reply(msg_ctx, m);
744 irpc_handler_request(msg_ctx, m);
754 destroy a irpc request
756 static int irpc_destructor(struct irpc_request *irpc)
758 if (irpc->callid != -1) {
759 idr_remove(irpc->msg_ctx->idr, irpc->callid);
767 add a string name that this irpc server can be called on
769 NTSTATUS irpc_add_name(struct imessaging_context *msg_ctx, const char *name)
773 ret = server_id_db_add(msg_ctx->names, name);
775 return map_nt_error_from_unix_common(ret);
780 static int all_servers_func(const char *name, unsigned num_servers,
781 const struct server_id *servers,
784 struct irpc_name_records *name_records = talloc_get_type(
785 private_data, struct irpc_name_records);
786 struct irpc_name_record *name_record;
790 = talloc_realloc(name_records, name_records->names,
791 struct irpc_name_record *, name_records->num_records+1);
792 if (!name_records->names) {
796 name_records->names[name_records->num_records] = name_record
797 = talloc(name_records->names,
798 struct irpc_name_record);
803 name_records->num_records++;
805 name_record->name = talloc_strdup(name_record, name);
806 if (!name_record->name) {
810 name_record->count = num_servers;
811 name_record->ids = talloc_array(name_record, struct server_id,
813 if (name_record->ids == NULL) {
816 for (i=0;i<name_record->count;i++) {
817 name_record->ids[i] = servers[i];
823 return a list of server ids for a server name
825 struct irpc_name_records *irpc_all_servers(struct imessaging_context *msg_ctx,
829 struct irpc_name_records *name_records = talloc_zero(mem_ctx, struct irpc_name_records);
830 if (name_records == NULL) {
834 ret = server_id_db_traverse_read(msg_ctx->names, all_servers_func,
837 TALLOC_FREE(name_records);
845 remove a name from a messaging context
847 void irpc_remove_name(struct imessaging_context *msg_ctx, const char *name)
849 server_id_db_remove(msg_ctx->names, name);
852 struct server_id imessaging_get_server_id(struct imessaging_context *msg_ctx)
854 return msg_ctx->server_id;
857 struct irpc_bh_state {
858 struct imessaging_context *msg_ctx;
859 struct server_id server_id;
860 const struct ndr_interface_table *table;
862 struct security_token *token;
865 static bool irpc_bh_is_connected(struct dcerpc_binding_handle *h)
867 struct irpc_bh_state *hs = dcerpc_binding_handle_data(h,
868 struct irpc_bh_state);
877 static uint32_t irpc_bh_set_timeout(struct dcerpc_binding_handle *h,
880 struct irpc_bh_state *hs = dcerpc_binding_handle_data(h,
881 struct irpc_bh_state);
882 uint32_t old = hs->timeout;
884 hs->timeout = timeout;
889 struct irpc_bh_raw_call_state {
890 struct irpc_request *irpc;
897 static void irpc_bh_raw_call_incoming_handler(struct irpc_request *irpc,
898 struct irpc_message *m);
900 static struct tevent_req *irpc_bh_raw_call_send(TALLOC_CTX *mem_ctx,
901 struct tevent_context *ev,
902 struct dcerpc_binding_handle *h,
903 const struct GUID *object,
906 const uint8_t *in_data,
909 struct irpc_bh_state *hs =
910 dcerpc_binding_handle_data(h,
911 struct irpc_bh_state);
912 struct tevent_req *req;
913 struct irpc_bh_raw_call_state *state;
915 struct irpc_header header;
916 struct ndr_push *ndr;
918 enum ndr_err_code ndr_err;
920 req = tevent_req_create(mem_ctx, &state,
921 struct irpc_bh_raw_call_state);
925 state->opnum = opnum;
926 state->in_data.data = discard_const_p(uint8_t, in_data);
927 state->in_data.length = in_length;
929 ok = irpc_bh_is_connected(h);
931 tevent_req_nterror(req, NT_STATUS_CONNECTION_DISCONNECTED);
932 return tevent_req_post(req, ev);
935 state->irpc = talloc_zero(state, struct irpc_request);
936 if (tevent_req_nomem(state->irpc, req)) {
937 return tevent_req_post(req, ev);
940 state->irpc->msg_ctx = hs->msg_ctx;
941 state->irpc->callid = idr_get_new(hs->msg_ctx->idr,
942 state->irpc, UINT16_MAX);
943 if (state->irpc->callid == -1) {
944 tevent_req_nterror(req, NT_STATUS_INSUFFICIENT_RESOURCES);
945 return tevent_req_post(req, ev);
947 state->irpc->incoming.handler = irpc_bh_raw_call_incoming_handler;
948 state->irpc->incoming.private_data = req;
950 talloc_set_destructor(state->irpc, irpc_destructor);
952 /* setup the header */
953 header.uuid = hs->table->syntax_id.uuid;
955 header.if_version = hs->table->syntax_id.if_version;
956 header.callid = state->irpc->callid;
957 header.callnum = state->opnum;
959 header.status = NT_STATUS_OK;
960 header.creds.token= hs->token;
962 /* construct the irpc packet */
963 ndr = ndr_push_init_ctx(state->irpc);
964 if (tevent_req_nomem(ndr, req)) {
965 return tevent_req_post(req, ev);
968 ndr_err = ndr_push_irpc_header(ndr, NDR_SCALARS|NDR_BUFFERS, &header);
969 status = ndr_map_error2ntstatus(ndr_err);
970 if (!NT_STATUS_IS_OK(status)) {
971 tevent_req_nterror(req, status);
972 return tevent_req_post(req, ev);
975 ndr_err = ndr_push_bytes(ndr, in_data, in_length);
976 status = ndr_map_error2ntstatus(ndr_err);
977 if (!NT_STATUS_IS_OK(status)) {
978 tevent_req_nterror(req, status);
979 return tevent_req_post(req, ev);
983 state->in_packet = ndr_push_blob(ndr);
984 status = imessaging_send(hs->msg_ctx, hs->server_id,
985 MSG_IRPC, &state->in_packet);
986 if (!NT_STATUS_IS_OK(status)) {
987 tevent_req_nterror(req, status);
988 return tevent_req_post(req, ev);
991 if (hs->timeout != IRPC_CALL_TIMEOUT_INF) {
992 /* set timeout-callback in case caller wants that */
993 ok = tevent_req_set_endtime(req, ev, timeval_current_ofs(hs->timeout, 0));
995 return tevent_req_post(req, ev);
1002 static void irpc_bh_raw_call_incoming_handler(struct irpc_request *irpc,
1003 struct irpc_message *m)
1005 struct tevent_req *req =
1006 talloc_get_type_abort(irpc->incoming.private_data,
1008 struct irpc_bh_raw_call_state *state =
1009 tevent_req_data(req,
1010 struct irpc_bh_raw_call_state);
1012 talloc_steal(state, m);
1014 if (!NT_STATUS_IS_OK(m->header.status)) {
1015 tevent_req_nterror(req, m->header.status);
1019 state->out_data = data_blob_talloc(state,
1020 m->ndr->data + m->ndr->offset,
1021 m->ndr->data_size - m->ndr->offset);
1022 if ((m->ndr->data_size - m->ndr->offset) > 0 && !state->out_data.data) {
1023 tevent_req_oom(req);
1027 tevent_req_done(req);
1030 static NTSTATUS irpc_bh_raw_call_recv(struct tevent_req *req,
1031 TALLOC_CTX *mem_ctx,
1034 uint32_t *out_flags)
1036 struct irpc_bh_raw_call_state *state =
1037 tevent_req_data(req,
1038 struct irpc_bh_raw_call_state);
1041 if (tevent_req_is_nterror(req, &status)) {
1042 tevent_req_received(req);
1046 *out_data = talloc_move(mem_ctx, &state->out_data.data);
1047 *out_length = state->out_data.length;
1049 tevent_req_received(req);
1050 return NT_STATUS_OK;
1053 struct irpc_bh_disconnect_state {
1057 static struct tevent_req *irpc_bh_disconnect_send(TALLOC_CTX *mem_ctx,
1058 struct tevent_context *ev,
1059 struct dcerpc_binding_handle *h)
1061 struct irpc_bh_state *hs = dcerpc_binding_handle_data(h,
1062 struct irpc_bh_state);
1063 struct tevent_req *req;
1064 struct irpc_bh_disconnect_state *state;
1067 req = tevent_req_create(mem_ctx, &state,
1068 struct irpc_bh_disconnect_state);
1073 ok = irpc_bh_is_connected(h);
1075 tevent_req_nterror(req, NT_STATUS_CONNECTION_DISCONNECTED);
1076 return tevent_req_post(req, ev);
1081 tevent_req_done(req);
1082 return tevent_req_post(req, ev);
1085 static NTSTATUS irpc_bh_disconnect_recv(struct tevent_req *req)
1089 if (tevent_req_is_nterror(req, &status)) {
1090 tevent_req_received(req);
1094 tevent_req_received(req);
1095 return NT_STATUS_OK;
1098 static bool irpc_bh_ref_alloc(struct dcerpc_binding_handle *h)
1103 static const struct dcerpc_binding_handle_ops irpc_bh_ops = {
1105 .is_connected = irpc_bh_is_connected,
1106 .set_timeout = irpc_bh_set_timeout,
1107 .raw_call_send = irpc_bh_raw_call_send,
1108 .raw_call_recv = irpc_bh_raw_call_recv,
1109 .disconnect_send = irpc_bh_disconnect_send,
1110 .disconnect_recv = irpc_bh_disconnect_recv,
1112 .ref_alloc = irpc_bh_ref_alloc,
1115 /* initialise a irpc binding handle */
1116 struct dcerpc_binding_handle *irpc_binding_handle(TALLOC_CTX *mem_ctx,
1117 struct imessaging_context *msg_ctx,
1118 struct server_id server_id,
1119 const struct ndr_interface_table *table)
1121 struct dcerpc_binding_handle *h;
1122 struct irpc_bh_state *hs;
1124 h = dcerpc_binding_handle_create(mem_ctx,
1129 struct irpc_bh_state,
1134 hs->msg_ctx = msg_ctx;
1135 hs->server_id = server_id;
1137 hs->timeout = IRPC_CALL_TIMEOUT;
1142 struct dcerpc_binding_handle *irpc_binding_handle_by_name(TALLOC_CTX *mem_ctx,
1143 struct imessaging_context *msg_ctx,
1144 const char *dest_task,
1145 const struct ndr_interface_table *table)
1147 struct dcerpc_binding_handle *h;
1149 struct server_id *sids;
1150 struct server_id sid;
1153 /* find the server task */
1155 status = irpc_servers_byname(msg_ctx, mem_ctx, dest_task,
1157 if (!NT_STATUS_IS_OK(status)) {
1158 errno = EADDRNOTAVAIL;
1164 h = irpc_binding_handle(mem_ctx, msg_ctx,
1173 void irpc_binding_handle_add_security_token(struct dcerpc_binding_handle *h,
1174 struct security_token *token)
1176 struct irpc_bh_state *hs =
1177 dcerpc_binding_handle_data(h,
1178 struct irpc_bh_state);