struct npa_state **pnpa)
{
TALLOC_CTX *tmp_ctx = talloc_stackframe();
- struct named_pipe_client *npc;
+ struct dcerpc_ncacn_conn *ncacn_conn = NULL;
struct tevent_req *subreq;
struct npa_state *npa;
NTSTATUS status;
npa->device_state = 0xff | 0x0400 | 0x0100;
npa->allocation_size = 4096;
- npc = named_pipe_client_init(npa,
- ev_ctx,
- msg_ctx,
- pipe_name,
- NULL, /* term_fn */
- npa->file_type,
- npa->device_state,
- npa->allocation_size,
- NULL); /* private_data */
- if (npc == NULL) {
- status = NT_STATUS_NO_MEMORY;
+ status = dcerpc_ncacn_conn_init(npa,
+ ev_ctx,
+ msg_ctx,
+ NCACN_NP,
+ pipe_name,
+ NULL, /* disconnect fn */
+ NULL, /* termination fn */
+ NULL, /* termination data */
+ &ncacn_conn);
+ if (!NT_STATUS_IS_OK(status)) {
goto out;
}
- npa->private_data = (void*) npc;
+
+ npa->private_data = (void*)ncacn_conn;
rc = tstream_npa_socketpair(npa->file_type,
npa,
&npa->stream,
- npc,
- &npc->tstream);
+ ncacn_conn,
+ &ncacn_conn->tstream);
if (rc == -1) {
status = map_nt_error_from_unix(errno);
goto out;
}
- npc->remote_client_addr = tsocket_address_copy(remote_address, npc);
- if (npc->remote_client_addr == NULL) {
+ ncacn_conn->remote_client_addr = tsocket_address_copy(remote_address,
+ ncacn_conn);
+ if (ncacn_conn->remote_client_addr == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
- npc->remote_client_name = tsocket_address_inet_addr_string(npc->remote_client_addr,
- npc);
- if (npc->remote_client_name == NULL) {
+ ncacn_conn->remote_client_name = tsocket_address_inet_addr_string(
+ ncacn_conn->remote_client_addr, ncacn_conn);
+ if (ncacn_conn->remote_client_name == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
- npc->local_server_addr = tsocket_address_copy(local_address, npc);
- if (npc->local_server_addr == NULL) {
+ ncacn_conn->local_server_addr = tsocket_address_copy(local_address,
+ ncacn_conn);
+ if (ncacn_conn->local_server_addr == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
- npc->local_server_name = tsocket_address_inet_addr_string(
- npc->local_server_addr, npc);
- if (npc->local_server_name == NULL) {
+ ncacn_conn->local_server_name = tsocket_address_inet_addr_string(
+ ncacn_conn->local_server_addr, ncacn_conn);
+ if (ncacn_conn->local_server_name == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
- npc->session_info = copy_session_info(npc, session_info);
- if (npc->session_info == NULL) {
+ ncacn_conn->session_info = copy_session_info(ncacn_conn, session_info);
+ if (ncacn_conn->session_info == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
- rc = make_server_pipes_struct(npc,
- npc->msg_ctx,
- npc->pipe_name,
- NCACN_NP,
- npc->remote_client_addr,
- npc->local_server_addr,
- &npc->session_info,
- &npc->p,
+ rc = make_server_pipes_struct(ncacn_conn,
+ ncacn_conn->msg_ctx,
+ ncacn_conn->name,
+ ncacn_conn->transport,
+ ncacn_conn->remote_client_addr,
+ ncacn_conn->local_server_addr,
+ &ncacn_conn->session_info,
+ &ncacn_conn->p,
&error);
if (rc == -1) {
status = map_nt_error_from_unix(error);
goto out;
}
- npc->write_queue = tevent_queue_create(npc, "npa_server_write_queue");
- if (npc->write_queue == NULL) {
+ ncacn_conn->send_queue = tevent_queue_create(ncacn_conn, "npa_server_write_queue");
+ if (ncacn_conn->send_queue == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
- subreq = dcerpc_read_ncacn_packet_send(npc, npc->ev, npc->tstream);
+ subreq = dcerpc_read_ncacn_packet_send(ncacn_conn, ncacn_conn->ev_ctx,
+ ncacn_conn->tstream);
if (subreq == NULL) {
DEBUG(2, ("Failed to start receiving packets\n"));
status = NT_STATUS_PIPE_BROKEN;
goto out;
}
- tevent_req_set_callback(subreq, named_pipe_packet_process, npc);
+ tevent_req_set_callback(subreq, dcerpc_ncacn_packet_process,
+ ncacn_conn);
*pnpa = talloc_move(mem_ctx, &npa);
status = NT_STATUS_OK;
DBG_DEBUG("Accepted ncacn_np socket %s (fd: %d)\n",
addr.u.un.sun_path, sd);
- named_pipe_accept_function(state->ev_ctx,
- state->msg_ctx,
- state->ep.name,
- sd, NULL, 0);
-}
-
-
-/* This is the core of the rpc server.
- * Accepts connections from clients and process requests using the appropriate
- * dispatcher table. */
-
-static int named_pipe_destructor(struct named_pipe_client *npc)
-{
- if (npc->term_fn) {
- npc->term_fn(npc->private_data);
- }
- return 0;
-}
-
-struct named_pipe_client *named_pipe_client_init(TALLOC_CTX *mem_ctx,
- struct tevent_context *ev_ctx,
- struct messaging_context *msg_ctx,
- const char *pipe_name,
- named_pipe_termination_fn term_fn,
- uint16_t file_type,
- uint16_t device_state,
- uint64_t allocation_size,
- void *private_data)
-{
- struct named_pipe_client *npc;
-
- npc = talloc_zero(mem_ctx, struct named_pipe_client);
- if (npc == NULL) {
- DEBUG(0, ("Out of memory!\n"));
- return NULL;
- }
- talloc_set_destructor(npc, named_pipe_destructor);
-
- npc->pipe_name = talloc_strdup(npc, pipe_name);
- if (npc->pipe_name == NULL) {
- DEBUG(0, ("Out of memory!\n"));
- talloc_free(npc);
- return NULL;
- }
-
- npc->ev = ev_ctx;
- npc->msg_ctx = msg_ctx;
- npc->term_fn = term_fn;
- npc->private_data = private_data;
-
- npc->file_type = file_type;
- npc->device_state = device_state;
- npc->allocation_size = allocation_size;
-
- return npc;
-}
-
-static void named_pipe_accept_done(struct tevent_req *subreq);
-
-void named_pipe_accept_function(struct tevent_context *ev_ctx,
- struct messaging_context *msg_ctx,
- const char *pipe_name, int fd,
- named_pipe_termination_fn term_fn,
- void *private_data)
-{
- struct named_pipe_client *npc;
- struct tstream_context *plain;
- struct tevent_req *subreq;
- int ret;
-
- npc = named_pipe_client_init(
- ev_ctx,
- ev_ctx,
- msg_ctx,
- pipe_name,
- term_fn,
- FILE_TYPE_MESSAGE_MODE_PIPE, /* file_type */
- 0xff | 0x0400 | 0x0100, /* device_state */
- 4096, /* allocation_size */
- private_data);
- if (npc == NULL) {
- DEBUG(0, ("Out of memory!\n"));
- close(fd);
- return;
- }
-
- /* make sure socket is in NON blocking state */
- ret = set_blocking(fd, false);
- if (ret != 0) {
- DEBUG(2, ("Failed to make socket non-blocking\n"));
- TALLOC_FREE(npc);
- close(fd);
- return;
- }
-
- ret = tstream_bsd_existing_socket(npc, fd, &plain);
- if (ret != 0) {
- DEBUG(2, ("Failed to create tstream socket\n"));
- TALLOC_FREE(npc);
- close(fd);
- return;
- }
-
- subreq = tstream_npa_accept_existing_send(npc, npc->ev, plain,
- npc->file_type,
- npc->device_state,
- npc->allocation_size);
- if (!subreq) {
- DEBUG(2, ("Failed to start async accept procedure\n"));
- TALLOC_FREE(npc);
- close(fd);
- return;
- }
- tevent_req_set_callback(subreq, named_pipe_accept_done, npc);
-}
-
-static void named_pipe_packet_done(struct tevent_req *subreq);
-
-static void named_pipe_accept_done(struct tevent_req *subreq)
-{
- struct auth_session_info_transport *session_info_transport;
- struct named_pipe_client *npc =
- tevent_req_callback_data(subreq, struct named_pipe_client);
- int error;
- int ret;
-
- ret = tstream_npa_accept_existing_recv(subreq, &error, npc,
- &npc->tstream,
- &npc->remote_client_addr,
- &npc->remote_client_name,
- &npc->local_server_addr,
- &npc->local_server_name,
- &session_info_transport);
-
- TALLOC_FREE(subreq);
- if (ret != 0) {
- DEBUG(2, ("Failed to accept named pipe connection! (%s)\n",
- strerror(error)));
- TALLOC_FREE(npc);
- return;
- }
-
- npc->session_info = talloc_move(
- npc, &session_info_transport->session_info);
-
- ret = make_server_pipes_struct(npc,
- npc->msg_ctx,
- npc->pipe_name, NCACN_NP,
- npc->remote_client_addr,
- npc->local_server_addr,
- &npc->session_info,
- &npc->p, &error);
- if (ret != 0) {
- DEBUG(2, ("Failed to create pipes_struct! (%s)\n",
- strerror(error)));
- goto fail;
- }
-
- npc->write_queue = tevent_queue_create(npc, "np_server_write_queue");
- if (!npc->write_queue) {
- DEBUG(2, ("Failed to set up write queue!\n"));
- goto fail;
- }
-
- /* And now start receiving and processing packets */
- subreq = dcerpc_read_ncacn_packet_send(npc, npc->ev, npc->tstream);
- if (!subreq) {
- DEBUG(2, ("Failed to start receiving packets\n"));
- goto fail;
- }
- tevent_req_set_callback(subreq, named_pipe_packet_process, npc);
- return;
-
-fail:
- DEBUG(2, ("Fatal error. Terminating client(%s) connection!\n",
- npc->remote_client_name));
- /* terminate client connection */
- talloc_free(npc);
- return;
-}
-
-void named_pipe_packet_process(struct tevent_req *subreq)
-{
- struct named_pipe_client *npc =
- tevent_req_callback_data(subreq, struct named_pipe_client);
- struct _output_data *out = &npc->p->out_data;
- DATA_BLOB recv_buffer = data_blob_null;
- struct ncacn_packet *pkt;
- NTSTATUS status;
- uint32_t to_send;
- size_t i;
- bool ok;
-
- status = dcerpc_read_ncacn_packet_recv(subreq, npc, &pkt, &recv_buffer);
- TALLOC_FREE(subreq);
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
-
- /* dcerpc_read_ncacn_packet_recv() returns a full PDU */
- npc->p->in_data.pdu_needed_len = 0;
- npc->p->in_data.pdu = recv_buffer;
- if (dcerpc_get_endian_flag(&recv_buffer) & DCERPC_DREP_LE) {
- npc->p->endian = RPC_LITTLE_ENDIAN;
- } else {
- npc->p->endian = RPC_BIG_ENDIAN;
- }
- DEBUG(10, ("PDU is in %s Endian format!\n",
- npc->p->endian ? "Big" : "Little"));
- process_complete_pdu(npc->p, pkt);
-
- /* reset pipe state and free PDU */
- npc->p->in_data.pdu.length = 0;
- talloc_free(recv_buffer.data);
- talloc_free(pkt);
-
- /* this is needed because of the way DCERPC Binds work in
- * the RPC marshalling code */
- to_send = out->frag.length - out->current_pdu_sent;
- if (to_send > 0) {
-
- npc->iov = talloc_zero(npc, struct iovec);
- if (!npc->iov) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
- npc->count = 1;
-
- npc->iov[0].iov_base = out->frag.data
- + out->current_pdu_sent;
- npc->iov[0].iov_len = to_send;
-
- out->current_pdu_sent += to_send;
- }
-
- /* this condition is false for bind packets, or when we haven't
- * yet got a full request, and need to wait for more data from
- * the client */
- while (out->data_sent_length < out->rdata.length) {
-
- ok = create_next_pdu(npc->p);
- if (!ok) {
- DEBUG(3, ("Failed to create next PDU!\n"));
- status = NT_STATUS_UNEXPECTED_IO_ERROR;
- goto fail;
- }
-
- npc->iov = talloc_realloc(npc, npc->iov,
- struct iovec, npc->count + 1);
- if (!npc->iov) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
-
- npc->iov[npc->count].iov_base = out->frag.data;
- npc->iov[npc->count].iov_len = out->frag.length;
-
- npc->count++;
- }
-
- /* we still don't have a complete request, go back and wait for more
- * data */
- if (npc->count == 0) {
- /* Wait for the next packet */
- subreq = dcerpc_read_ncacn_packet_send(npc, npc->ev, npc->tstream);
- if (!subreq) {
- DEBUG(2, ("Failed to start receiving packets\n"));
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
- tevent_req_set_callback(subreq, named_pipe_packet_process, npc);
- return;
- }
-
- DBG_DEBUG("Sending %zu fragments in a total of %"PRIu32" bytes\n",
- npc->count,
- npc->p->out_data.data_sent_length);
-
- for (i = 0; i < npc->count; i++) {
- DBG_DEBUG("Sending PDU number: %zu, PDU Length: %zu\n",
- i,
- npc->iov[i].iov_len);
- dump_data(11, (const uint8_t *)npc->iov[i].iov_base,
- npc->iov[i].iov_len);
-
- subreq = tstream_writev_queue_send(npc,
- npc->ev,
- npc->tstream,
- npc->write_queue,
- (npc->iov + i),
- 1);
- if (!subreq) {
- DEBUG(2, ("Failed to send packet\n"));
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
- tevent_req_set_callback(subreq, named_pipe_packet_done, npc);
- }
-
- return;
-
-fail:
- DEBUG(2, ("Fatal error(%s). "
- "Terminating client(%s) connection!\n",
- nt_errstr(status), npc->remote_client_name));
- /* terminate client connection */
- talloc_free(npc);
- return;
-}
-
-static void named_pipe_packet_done(struct tevent_req *subreq)
-{
- struct named_pipe_client *npc =
- tevent_req_callback_data(subreq, struct named_pipe_client);
- int sys_errno;
- int ret;
-
- ret = tstream_writev_queue_recv(subreq, &sys_errno);
- TALLOC_FREE(subreq);
- if (ret == -1) {
- DEBUG(2, ("Writev failed!\n"));
- goto fail;
- }
-
- if (tevent_queue_length(npc->write_queue) > 0) {
- return;
- }
-
- if (npc->p->fault_state != 0) {
- DEBUG(2, ("Disconnect after fault\n"));
- sys_errno = EINVAL;
- goto fail;
- }
-
- /* clear out any data that may have been left around */
- npc->count = 0;
- TALLOC_FREE(npc->iov);
- data_blob_free(&npc->p->in_data.data);
- data_blob_free(&npc->p->out_data.frag);
- data_blob_free(&npc->p->out_data.rdata);
-
- talloc_free_children(npc->p->mem_ctx);
-
- /* Wait for the next packet */
- subreq = dcerpc_read_ncacn_packet_send(npc, npc->ev, npc->tstream);
- if (!subreq) {
- DEBUG(2, ("Failed to start receiving packets\n"));
- sys_errno = ENOMEM;
- goto fail;
- }
- tevent_req_set_callback(subreq, named_pipe_packet_process, npc);
- return;
-
-fail:
- DEBUG(2, ("Fatal error(%s). "
- "Terminating client(%s) connection!\n",
- strerror(sys_errno), npc->remote_client_name));
- /* terminate client connection */
- talloc_free(npc);
- return;
+ dcerpc_ncacn_accept(state->ev_ctx,
+ state->msg_ctx,
+ NCACN_NP,
+ state->ep.name,
+ NULL, /* remote client address */
+ NULL, /* local server address */
+ sd,
+ state->disconnect_fn,
+ state->termination_fn,
+ state->termination_data);
}
/********************************************************************
}
static void dcerpc_ncacn_packet_done(struct tevent_req *subreq);
+static void dcesrv_ncacn_np_accept_done(struct tevent_req *subreq);
static void dcesrv_ncacn_accept_step2(struct dcerpc_ncacn_conn *ncacn_conn);
void dcerpc_ncacn_accept(struct tevent_context *ev_ctx,
return;
}
+ if (transport == NCACN_NP) {
+ struct tevent_req *subreq = NULL;
+ uint64_t allocation_size = 4096;
+ uint16_t device_state = 0xff | 0x0400 | 0x0100;
+ uint16_t file_type = FILE_TYPE_MESSAGE_MODE_PIPE;
+
+ subreq = tstream_npa_accept_existing_send(ncacn_conn,
+ ncacn_conn->ev_ctx,
+ ncacn_conn->tstream,
+ file_type,
+ device_state,
+ allocation_size);
+ if (subreq == NULL) {
+ DBG_ERR("Failed to start async accept procedure\n");
+ talloc_free(ncacn_conn);
+ return;
+ }
+ tevent_req_set_callback(subreq, dcesrv_ncacn_np_accept_done,
+ ncacn_conn);
+ return;
+ }
+
+ dcesrv_ncacn_accept_step2(ncacn_conn);
+}
+
+static void dcesrv_ncacn_np_accept_done(struct tevent_req *subreq)
+{
+ struct auth_session_info_transport *session_info_transport = NULL;
+ struct dcerpc_ncacn_conn *ncacn_conn = NULL;
+ int error;
+ int ret;
+
+ ncacn_conn = tevent_req_callback_data(subreq,
+ struct dcerpc_ncacn_conn);
+
+ ret = tstream_npa_accept_existing_recv(subreq, &error, ncacn_conn,
+ &ncacn_conn->tstream,
+ &ncacn_conn->remote_client_addr,
+ &ncacn_conn->remote_client_name,
+ &ncacn_conn->local_server_addr,
+ &ncacn_conn->local_server_name,
+ &session_info_transport);
+ ncacn_conn->session_info = talloc_move(ncacn_conn,
+ &session_info_transport->session_info);
+
+ TALLOC_FREE(subreq);
+ if (ret != 0) {
+ DBG_ERR("Failed to accept named pipe connection: %s\n",
+ strerror(error));
+ talloc_free(ncacn_conn);
+ return;
+ }
+
dcesrv_ncacn_accept_step2(ncacn_conn);
}
DATA_BLOB recv_buffer = data_blob_null;
struct ncacn_packet *pkt;
uint32_t to_send;
+ size_t i;
NTSTATUS status;
bool ok;
return;
}
- DEBUG(10, ("Sending a total of %u bytes\n",
- (unsigned int)ncacn_conn->p->out_data.data_sent_length));
+ switch (ncacn_conn->transport) {
+ case NCACN_NP:
+ /* If sending packets over named pipe proxy we need to send
+ * each fragment on its own to be a message
+ */
+ DBG_DEBUG("Sending %u fragments in a total of %u bytes\n",
+ (unsigned int)ncacn_conn->count,
+ (unsigned int)ncacn_conn->p->out_data.data_sent_length);
+ for (i = 0; i < ncacn_conn->count; i++) {
+ DBG_DEBUG("Sending PDU number: %d, PDU Length: %u\n",
+ (unsigned int)i,
+ (unsigned int)ncacn_conn->iov[i].iov_len);
+ dump_data(11, (const uint8_t *)ncacn_conn->iov[i].iov_base,
+ ncacn_conn->iov[i].iov_len);
+
+ subreq = tstream_writev_queue_send(ncacn_conn,
+ ncacn_conn->ev_ctx,
+ ncacn_conn->tstream,
+ ncacn_conn->send_queue,
+ (ncacn_conn->iov + i),
+ 1);
+ if (subreq == NULL) {
+ DBG_ERR("Failed to send packet\n");
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ tevent_req_set_callback(subreq,
+ dcerpc_ncacn_packet_done,
+ ncacn_conn);
+ }
+ break;
+ default:
+ DBG_DEBUG("Sending a total of %u bytes\n",
+ (unsigned int)ncacn_conn->p->out_data.data_sent_length);
+
+ subreq = tstream_writev_queue_send(ncacn_conn,
+ ncacn_conn->ev_ctx,
+ ncacn_conn->tstream,
+ ncacn_conn->send_queue,
+ ncacn_conn->iov,
+ ncacn_conn->count);
+ if (subreq == NULL) {
+ DBG_ERR("Failed to send packet\n");
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
- subreq = tstream_writev_queue_send(ncacn_conn,
- ncacn_conn->ev_ctx,
- ncacn_conn->tstream,
- ncacn_conn->send_queue,
- ncacn_conn->iov,
- ncacn_conn->count);
- if (subreq == NULL) {
- DEBUG(2, ("Failed to send packet\n"));
- status = NT_STATUS_NO_MEMORY;
- goto fail;
+ tevent_req_set_callback(subreq,
+ dcerpc_ncacn_packet_done,
+ ncacn_conn);
+ break;
}
- tevent_req_set_callback(subreq, dcerpc_ncacn_packet_done, ncacn_conn);
return;
fail:
goto fail;
}
+ if (ncacn_conn->transport == NCACN_NP &&
+ tevent_queue_length(ncacn_conn->send_queue) > 0) {
+ /* More fragments to send before reading a new packet */
+ return;
+ }
+
if (ncacn_conn->p->fault_state != 0) {
DEBUG(2, ("Disconnect after fault\n"));
sys_errno = EINVAL;
git.samba.org / bbaumbach / samba-autobuild / .git / commitdiff