mirror of
https://github.com/samba-team/samba.git
synced 2025-11-26 04:23:49 +03:00
r11039: r10352@SERNOX: metze | 2005-09-20 16:50:04 +0200
move stuff the belong to incoming connections only into a seperate file wrepl_in_connection.c metze
This commit is contained in:
Stefan Metzmacher
committed by
Gerald (Jerry) Carter
Gerald (Jerry) Carter
parent
1b2effa01b
commit
c2b2b58220
@@ -273,9 +273,10 @@ struct mutex_ops;
|
||||
struct ads_struct;
|
||||
|
||||
struct wreplsrv_service;
|
||||
struct wreplsrv_partner;
|
||||
struct wreplsrv_owner;
|
||||
struct wreplsrv_in_connection;
|
||||
struct wreplsrv_in_call;
|
||||
struct wreplsrv_owner;
|
||||
|
||||
struct winsdb_record;
|
||||
|
||||
|
||||
319
source/wrepl_server/wrepl_in_connection.c
Normal file
319
source/wrepl_server/wrepl_in_connection.c
Normal file
@@ -0,0 +1,319 @@
|
||||
/*
|
||||
Unix SMB/CIFS implementation.
|
||||
|
||||
WINS Replication server
|
||||
|
||||
Copyright (C) Stefan Metzmacher 2005
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include "includes.h"
|
||||
#include "dlinklist.h"
|
||||
#include "lib/events/events.h"
|
||||
#include "lib/socket/socket.h"
|
||||
#include "smbd/service_task.h"
|
||||
#include "smbd/service_stream.h"
|
||||
#include "lib/messaging/irpc.h"
|
||||
#include "librpc/gen_ndr/ndr_winsrepl.h"
|
||||
#include "wrepl_server/wrepl_server.h"
|
||||
#include "nbt_server/wins/winsdb.h"
|
||||
#include "ldb/include/ldb.h"
|
||||
|
||||
static void wreplsrv_terminate_in_connection(struct wreplsrv_in_connection *wreplconn, const char *reason)
|
||||
{
|
||||
stream_terminate_connection(wreplconn->conn, reason);
|
||||
}
|
||||
|
||||
/*
|
||||
called when we get a new connection
|
||||
*/
|
||||
static void wreplsrv_accept(struct stream_connection *conn)
|
||||
{
|
||||
struct wreplsrv_service *service = talloc_get_type(conn->private, struct wreplsrv_service);
|
||||
struct wreplsrv_in_connection *wreplconn;
|
||||
const char *peer_ip;
|
||||
|
||||
wreplconn = talloc_zero(conn, struct wreplsrv_in_connection);
|
||||
if (!wreplconn) {
|
||||
stream_terminate_connection(conn, "wreplsrv_accept: out of memory");
|
||||
return;
|
||||
}
|
||||
|
||||
wreplconn->conn = conn;
|
||||
wreplconn->service = service;
|
||||
wreplconn->our_ip = socket_get_my_addr(conn->socket, wreplconn);
|
||||
if (!wreplconn->our_ip) {
|
||||
wreplsrv_terminate_in_connection(wreplconn, "wreplsrv_accept: out of memory");
|
||||
return;
|
||||
}
|
||||
|
||||
peer_ip = socket_get_peer_addr(conn->socket, wreplconn);
|
||||
if (!peer_ip) {
|
||||
wreplsrv_terminate_in_connection(wreplconn, "wreplsrv_accept: out of memory");
|
||||
return;
|
||||
}
|
||||
|
||||
wreplconn->partner = wreplsrv_find_partner(service, peer_ip);
|
||||
|
||||
conn->private = wreplconn;
|
||||
|
||||
irpc_add_name(conn->msg_ctx, "wreplsrv_connection");
|
||||
}
|
||||
|
||||
/*
|
||||
receive some data on a WREPL connection
|
||||
*/
|
||||
static void wreplsrv_recv(struct stream_connection *conn, uint16_t flags)
|
||||
{
|
||||
struct wreplsrv_in_connection *wreplconn = talloc_get_type(conn->private, struct wreplsrv_in_connection);
|
||||
struct wreplsrv_in_call *call;
|
||||
DATA_BLOB packet_in_blob;
|
||||
DATA_BLOB packet_out_blob;
|
||||
struct wrepl_wrap packet_out_wrap;
|
||||
struct data_blob_list_item *rep;
|
||||
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
|
||||
size_t nread;
|
||||
|
||||
/* avoid recursion, because of half async code */
|
||||
if (wreplconn->processing) {
|
||||
EVENT_FD_NOT_READABLE(conn->event.fde);
|
||||
return;
|
||||
}
|
||||
|
||||
if (wreplconn->partial.length == 0) {
|
||||
wreplconn->partial = data_blob_talloc(wreplconn, NULL, 4);
|
||||
if (wreplconn->partial.data == NULL) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
wreplconn->partial_read = 0;
|
||||
}
|
||||
|
||||
/* read in the packet length */
|
||||
if (wreplconn->partial_read < 4) {
|
||||
uint32_t packet_length;
|
||||
|
||||
status = socket_recv(conn->socket,
|
||||
wreplconn->partial.data + wreplconn->partial_read,
|
||||
4 - wreplconn->partial_read,
|
||||
&nread, 0);
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) return;
|
||||
|
||||
wreplconn->partial_read += nread;
|
||||
if (wreplconn->partial_read != 4) return;
|
||||
|
||||
packet_length = RIVAL(wreplconn->partial.data, 0) + 4;
|
||||
|
||||
wreplconn->partial.data = talloc_realloc(wreplconn, wreplconn->partial.data,
|
||||
uint8_t, packet_length);
|
||||
if (wreplconn->partial.data == NULL) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
wreplconn->partial.length = packet_length;
|
||||
}
|
||||
|
||||
/* read in the body */
|
||||
status = socket_recv(conn->socket,
|
||||
wreplconn->partial.data + wreplconn->partial_read,
|
||||
wreplconn->partial.length - wreplconn->partial_read,
|
||||
&nread, 0);
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) return;
|
||||
|
||||
wreplconn->partial_read += nread;
|
||||
if (wreplconn->partial_read != wreplconn->partial.length) return;
|
||||
|
||||
packet_in_blob.data = wreplconn->partial.data + 4;
|
||||
packet_in_blob.length = wreplconn->partial.length - 4;
|
||||
|
||||
call = talloc_zero(wreplconn, struct wreplsrv_in_call);
|
||||
if (!call) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
call->wreplconn = wreplconn;
|
||||
|
||||
/* we have a full request - parse it */
|
||||
status = ndr_pull_struct_blob(&packet_in_blob,
|
||||
call, &call->req_packet,
|
||||
(ndr_pull_flags_fn_t)ndr_pull_wrepl_packet);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
DEBUG(2,("Failed to parse incoming WINS-Replication packet - %s\n",
|
||||
nt_errstr(status)));
|
||||
DEBUG(10,("packet length %u\n", wreplconn->partial.length));
|
||||
NDR_PRINT_DEBUG(wrepl_packet, &call->req_packet);
|
||||
goto failed;
|
||||
}
|
||||
|
||||
/*
|
||||
* we have parsed the request, so we can reset the wreplconn->partial_read,
|
||||
* maybe we could also free wreplconn->partial, but for now we keep it,
|
||||
* and overwrite it the next time
|
||||
*/
|
||||
wreplconn->partial_read = 0;
|
||||
|
||||
if (DEBUGLVL(10)) {
|
||||
DEBUG(10,("Received WINS-Replication packet of length %u\n", wreplconn->partial.length));
|
||||
NDR_PRINT_DEBUG(wrepl_packet, &call->req_packet);
|
||||
}
|
||||
|
||||
/* actually process the request */
|
||||
wreplconn->processing = True;
|
||||
status = wreplsrv_in_call(call);
|
||||
wreplconn->processing = False;
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
/* w2k just ignores invalid packets, so we do */
|
||||
DEBUG(10,("Received WINS-Replication packet was invalid, we just ignore it\n"));
|
||||
talloc_free(call);
|
||||
return;
|
||||
}
|
||||
|
||||
/* and now encode the reply */
|
||||
packet_out_wrap.packet = call->rep_packet;
|
||||
status = ndr_push_struct_blob(&packet_out_blob, call, &packet_out_wrap,
|
||||
(ndr_push_flags_fn_t)ndr_push_wrepl_wrap);
|
||||
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||
|
||||
if (DEBUGLVL(10)) {
|
||||
DEBUG(10,("Sending WINS-Replication packet of length %d\n", (int)packet_out_blob.length));
|
||||
NDR_PRINT_DEBUG(wrepl_packet, &call->rep_packet);
|
||||
}
|
||||
|
||||
rep = talloc(wreplconn, struct data_blob_list_item);
|
||||
if (!rep) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
|
||||
rep->blob = packet_out_blob;
|
||||
talloc_steal(rep, packet_out_blob.data);
|
||||
/* we don't need the call anymore */
|
||||
talloc_free(call);
|
||||
|
||||
if (!wreplconn->send_queue) {
|
||||
EVENT_FD_WRITEABLE(conn->event.fde);
|
||||
}
|
||||
DLIST_ADD_END(wreplconn->send_queue, rep, struct data_blob_list_item *);
|
||||
|
||||
if (wreplconn->terminate) {
|
||||
EVENT_FD_NOT_READABLE(conn->event.fde);
|
||||
} else {
|
||||
EVENT_FD_READABLE(conn->event.fde);
|
||||
}
|
||||
return;
|
||||
|
||||
failed:
|
||||
wreplsrv_terminate_in_connection(wreplconn, nt_errstr(status));
|
||||
}
|
||||
|
||||
/*
|
||||
called when we can write to a connection
|
||||
*/
|
||||
static void wreplsrv_send(struct stream_connection *conn, uint16_t flags)
|
||||
{
|
||||
struct wreplsrv_in_connection *wreplconn = talloc_get_type(conn->private, struct wreplsrv_in_connection);
|
||||
NTSTATUS status;
|
||||
|
||||
while (wreplconn->send_queue) {
|
||||
struct data_blob_list_item *rep = wreplconn->send_queue;
|
||||
size_t sendlen;
|
||||
|
||||
status = socket_send(conn->socket, &rep->blob, &sendlen, 0);
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) return;
|
||||
|
||||
rep->blob.length -= sendlen;
|
||||
rep->blob.data += sendlen;
|
||||
|
||||
if (rep->blob.length == 0) {
|
||||
DLIST_REMOVE(wreplconn->send_queue, rep);
|
||||
talloc_free(rep);
|
||||
}
|
||||
}
|
||||
|
||||
if (wreplconn->terminate) {
|
||||
wreplsrv_terminate_in_connection(wreplconn, "connection terminated after all pending packets are send");
|
||||
return;
|
||||
}
|
||||
|
||||
EVENT_FD_NOT_WRITEABLE(conn->event.fde);
|
||||
return;
|
||||
|
||||
failed:
|
||||
wreplsrv_terminate_in_connection(wreplconn, nt_errstr(status));
|
||||
}
|
||||
|
||||
static const struct stream_server_ops wreplsrv_stream_ops = {
|
||||
.name = "wreplsrv",
|
||||
.accept_connection = wreplsrv_accept,
|
||||
.recv_handler = wreplsrv_recv,
|
||||
.send_handler = wreplsrv_send,
|
||||
};
|
||||
|
||||
/*
|
||||
startup the wrepl port 42 server sockets
|
||||
*/
|
||||
NTSTATUS wreplsrv_setup_sockets(struct wreplsrv_service *service)
|
||||
{
|
||||
NTSTATUS status;
|
||||
struct task_server *task = service->task;
|
||||
const struct model_ops *model_ops;
|
||||
const char *address;
|
||||
uint16_t port = WINS_REPLICATION_PORT;
|
||||
|
||||
/* within the wrepl task we want to be a single process, so
|
||||
ask for the single process model ops and pass these to the
|
||||
stream_setup_socket() call. */
|
||||
model_ops = process_model_byname("single");
|
||||
if (!model_ops) {
|
||||
DEBUG(0,("Can't find 'single' process model_ops"));
|
||||
return NT_STATUS_INTERNAL_ERROR;
|
||||
}
|
||||
|
||||
if (lp_interfaces() && lp_bind_interfaces_only()) {
|
||||
int num_interfaces = iface_count();
|
||||
int i;
|
||||
|
||||
/* We have been given an interfaces line, and been
|
||||
told to only bind to those interfaces. Create a
|
||||
socket per interface and bind to only these.
|
||||
*/
|
||||
for(i = 0; i < num_interfaces; i++) {
|
||||
address = iface_n_ip(i);
|
||||
status = stream_setup_socket(task->event_ctx, model_ops, &wreplsrv_stream_ops,
|
||||
"ipv4", address, &port, service);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
DEBUG(0,("stream_setup_socket(address=%s,port=%u) failed - %s\n",
|
||||
address, port, nt_errstr(status)));
|
||||
return status;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
address = lp_socket_address();
|
||||
status = stream_setup_socket(task->event_ctx, model_ops, &wreplsrv_stream_ops,
|
||||
"ipv4", address, &port, service);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
DEBUG(0,("stream_setup_socket(address=%s,port=%u) failed - %s\n",
|
||||
address, port, nt_errstr(status)));
|
||||
return status;
|
||||
}
|
||||
}
|
||||
|
||||
return NT_STATUS_OK;
|
||||
}
|
||||
@@ -32,253 +32,6 @@
|
||||
#include "nbt_server/wins/winsdb.h"
|
||||
#include "ldb/include/ldb.h"
|
||||
|
||||
void wreplsrv_terminate_connection(struct wreplsrv_in_connection *wreplconn, const char *reason)
|
||||
{
|
||||
stream_terminate_connection(wreplconn->conn, reason);
|
||||
}
|
||||
|
||||
static struct wreplsrv_partner *wreplsrv_find_partner(struct wreplsrv_service *service, const char *peer_addr)
|
||||
{
|
||||
struct wreplsrv_partner *cur;
|
||||
|
||||
for (cur = service->partners; cur; cur = cur->next) {
|
||||
if (strcmp(cur->address, peer_addr) == 0) {
|
||||
return cur;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
called when we get a new connection
|
||||
*/
|
||||
static void wreplsrv_accept(struct stream_connection *conn)
|
||||
{
|
||||
struct wreplsrv_service *service = talloc_get_type(conn->private, struct wreplsrv_service);
|
||||
struct wreplsrv_in_connection *wreplconn;
|
||||
const char *peer_ip;
|
||||
|
||||
wreplconn = talloc_zero(conn, struct wreplsrv_in_connection);
|
||||
if (!wreplconn) {
|
||||
stream_terminate_connection(conn, "wreplsrv_accept: out of memory");
|
||||
return;
|
||||
}
|
||||
|
||||
wreplconn->conn = conn;
|
||||
wreplconn->service = service;
|
||||
wreplconn->our_ip = socket_get_my_addr(conn->socket, wreplconn);
|
||||
if (!wreplconn->our_ip) {
|
||||
wreplsrv_terminate_connection(wreplconn, "wreplsrv_accept: out of memory");
|
||||
return;
|
||||
}
|
||||
|
||||
peer_ip = socket_get_peer_addr(conn->socket, wreplconn);
|
||||
if (!peer_ip) {
|
||||
wreplsrv_terminate_connection(wreplconn, "wreplsrv_accept: out of memory");
|
||||
return;
|
||||
}
|
||||
|
||||
wreplconn->partner = wreplsrv_find_partner(service, peer_ip);
|
||||
|
||||
conn->private = wreplconn;
|
||||
|
||||
irpc_add_name(conn->msg_ctx, "wreplsrv_connection");
|
||||
}
|
||||
|
||||
/*
|
||||
receive some data on a WREPL connection
|
||||
*/
|
||||
static void wreplsrv_recv(struct stream_connection *conn, uint16_t flags)
|
||||
{
|
||||
struct wreplsrv_in_connection *wreplconn = talloc_get_type(conn->private, struct wreplsrv_in_connection);
|
||||
struct wreplsrv_in_call *call;
|
||||
DATA_BLOB packet_in_blob;
|
||||
DATA_BLOB packet_out_blob;
|
||||
struct wrepl_wrap packet_out_wrap;
|
||||
struct data_blob_list_item *rep;
|
||||
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
|
||||
size_t nread;
|
||||
|
||||
/* avoid recursion, because of half async code */
|
||||
if (wreplconn->processing) {
|
||||
EVENT_FD_NOT_READABLE(conn->event.fde);
|
||||
return;
|
||||
}
|
||||
|
||||
if (wreplconn->partial.length == 0) {
|
||||
wreplconn->partial = data_blob_talloc(wreplconn, NULL, 4);
|
||||
if (wreplconn->partial.data == NULL) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
wreplconn->partial_read = 0;
|
||||
}
|
||||
|
||||
/* read in the packet length */
|
||||
if (wreplconn->partial_read < 4) {
|
||||
uint32_t packet_length;
|
||||
|
||||
status = socket_recv(conn->socket,
|
||||
wreplconn->partial.data + wreplconn->partial_read,
|
||||
4 - wreplconn->partial_read,
|
||||
&nread, 0);
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) return;
|
||||
|
||||
wreplconn->partial_read += nread;
|
||||
if (wreplconn->partial_read != 4) return;
|
||||
|
||||
packet_length = RIVAL(wreplconn->partial.data, 0) + 4;
|
||||
|
||||
wreplconn->partial.data = talloc_realloc(wreplconn, wreplconn->partial.data,
|
||||
uint8_t, packet_length);
|
||||
if (wreplconn->partial.data == NULL) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
wreplconn->partial.length = packet_length;
|
||||
}
|
||||
|
||||
/* read in the body */
|
||||
status = socket_recv(conn->socket,
|
||||
wreplconn->partial.data + wreplconn->partial_read,
|
||||
wreplconn->partial.length - wreplconn->partial_read,
|
||||
&nread, 0);
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) return;
|
||||
|
||||
wreplconn->partial_read += nread;
|
||||
if (wreplconn->partial_read != wreplconn->partial.length) return;
|
||||
|
||||
packet_in_blob.data = wreplconn->partial.data + 4;
|
||||
packet_in_blob.length = wreplconn->partial.length - 4;
|
||||
|
||||
call = talloc_zero(wreplconn, struct wreplsrv_in_call);
|
||||
if (!call) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
call->wreplconn = wreplconn;
|
||||
|
||||
/* we have a full request - parse it */
|
||||
status = ndr_pull_struct_blob(&packet_in_blob,
|
||||
call, &call->req_packet,
|
||||
(ndr_pull_flags_fn_t)ndr_pull_wrepl_packet);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
DEBUG(2,("Failed to parse incoming WINS-Replication packet - %s\n",
|
||||
nt_errstr(status)));
|
||||
DEBUG(10,("packet length %u\n", wreplconn->partial.length));
|
||||
NDR_PRINT_DEBUG(wrepl_packet, &call->req_packet);
|
||||
goto failed;
|
||||
}
|
||||
|
||||
/*
|
||||
* we have parsed the request, so we can reset the wreplconn->partial_read,
|
||||
* maybe we could also free wreplconn->partial, but for now we keep it,
|
||||
* and overwrite it the next time
|
||||
*/
|
||||
wreplconn->partial_read = 0;
|
||||
|
||||
if (DEBUGLVL(10)) {
|
||||
DEBUG(10,("Received WINS-Replication packet of length %u\n", wreplconn->partial.length));
|
||||
NDR_PRINT_DEBUG(wrepl_packet, &call->req_packet);
|
||||
}
|
||||
|
||||
/* actually process the request */
|
||||
wreplconn->processing = True;
|
||||
status = wreplsrv_in_call(call);
|
||||
wreplconn->processing = False;
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
/* w2k just ignores invalid packets, so we do */
|
||||
DEBUG(10,("Received WINS-Replication packet was invalid, we just ignore it\n"));
|
||||
talloc_free(call);
|
||||
return;
|
||||
}
|
||||
|
||||
/* and now encode the reply */
|
||||
packet_out_wrap.packet = call->rep_packet;
|
||||
status = ndr_push_struct_blob(&packet_out_blob, call, &packet_out_wrap,
|
||||
(ndr_push_flags_fn_t)ndr_push_wrepl_wrap);
|
||||
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||
|
||||
if (DEBUGLVL(10)) {
|
||||
DEBUG(10,("Sending WINS-Replication packet of length %d\n", (int)packet_out_blob.length));
|
||||
NDR_PRINT_DEBUG(wrepl_packet, &call->rep_packet);
|
||||
}
|
||||
|
||||
rep = talloc(wreplconn, struct data_blob_list_item);
|
||||
if (!rep) {
|
||||
status = NT_STATUS_NO_MEMORY;
|
||||
goto failed;
|
||||
}
|
||||
|
||||
rep->blob = packet_out_blob;
|
||||
talloc_steal(rep, packet_out_blob.data);
|
||||
/* we don't need the call anymore */
|
||||
talloc_free(call);
|
||||
|
||||
if (!wreplconn->send_queue) {
|
||||
EVENT_FD_WRITEABLE(conn->event.fde);
|
||||
}
|
||||
DLIST_ADD_END(wreplconn->send_queue, rep, struct data_blob_list_item *);
|
||||
|
||||
if (wreplconn->terminate) {
|
||||
EVENT_FD_NOT_READABLE(conn->event.fde);
|
||||
} else {
|
||||
EVENT_FD_READABLE(conn->event.fde);
|
||||
}
|
||||
return;
|
||||
|
||||
failed:
|
||||
wreplsrv_terminate_connection(wreplconn, nt_errstr(status));
|
||||
}
|
||||
|
||||
/*
|
||||
called when we can write to a connection
|
||||
*/
|
||||
static void wreplsrv_send(struct stream_connection *conn, uint16_t flags)
|
||||
{
|
||||
struct wreplsrv_in_connection *wreplconn = talloc_get_type(conn->private, struct wreplsrv_in_connection);
|
||||
NTSTATUS status;
|
||||
|
||||
while (wreplconn->send_queue) {
|
||||
struct data_blob_list_item *rep = wreplconn->send_queue;
|
||||
size_t sendlen;
|
||||
|
||||
status = socket_send(conn->socket, &rep->blob, &sendlen, 0);
|
||||
if (NT_STATUS_IS_ERR(status)) goto failed;
|
||||
if (!NT_STATUS_IS_OK(status)) return;
|
||||
|
||||
rep->blob.length -= sendlen;
|
||||
rep->blob.data += sendlen;
|
||||
|
||||
if (rep->blob.length == 0) {
|
||||
DLIST_REMOVE(wreplconn->send_queue, rep);
|
||||
talloc_free(rep);
|
||||
}
|
||||
}
|
||||
|
||||
if (wreplconn->terminate) {
|
||||
wreplsrv_terminate_connection(wreplconn, "connection terminated after all pending packets are send");
|
||||
return;
|
||||
}
|
||||
|
||||
EVENT_FD_NOT_WRITEABLE(conn->event.fde);
|
||||
return;
|
||||
|
||||
failed:
|
||||
wreplsrv_terminate_connection(wreplconn, nt_errstr(status));
|
||||
}
|
||||
|
||||
static const struct stream_server_ops wreplsrv_stream_ops = {
|
||||
.name = "wreplsrv",
|
||||
.accept_connection = wreplsrv_accept,
|
||||
.recv_handler = wreplsrv_recv,
|
||||
.send_handler = wreplsrv_send,
|
||||
};
|
||||
|
||||
/*
|
||||
open winsdb
|
||||
*/
|
||||
@@ -292,6 +45,19 @@ static NTSTATUS wreplsrv_open_winsdb(struct wreplsrv_service *service)
|
||||
return NT_STATUS_OK;
|
||||
}
|
||||
|
||||
struct wreplsrv_partner *wreplsrv_find_partner(struct wreplsrv_service *service, const char *peer_addr)
|
||||
{
|
||||
struct wreplsrv_partner *cur;
|
||||
|
||||
for (cur = service->partners; cur; cur = cur->next) {
|
||||
if (strcmp(cur->address, peer_addr) == 0) {
|
||||
return cur;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
load our replication partners
|
||||
*/
|
||||
@@ -491,58 +257,6 @@ static NTSTATUS wreplsrv_setup_partners(struct wreplsrv_service *service)
|
||||
return NT_STATUS_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
startup the wrepl port 42 server sockets
|
||||
*/
|
||||
static NTSTATUS wreplsrv_setup_sockets(struct wreplsrv_service *service)
|
||||
{
|
||||
NTSTATUS status;
|
||||
struct task_server *task = service->task;
|
||||
const struct model_ops *model_ops;
|
||||
const char *address;
|
||||
uint16_t port = WINS_REPLICATION_PORT;
|
||||
|
||||
/* within the wrepl task we want to be a single process, so
|
||||
ask for the single process model ops and pass these to the
|
||||
stream_setup_socket() call. */
|
||||
model_ops = process_model_byname("single");
|
||||
if (!model_ops) {
|
||||
DEBUG(0,("Can't find 'single' process model_ops"));
|
||||
return NT_STATUS_INTERNAL_ERROR;
|
||||
}
|
||||
|
||||
if (lp_interfaces() && lp_bind_interfaces_only()) {
|
||||
int num_interfaces = iface_count();
|
||||
int i;
|
||||
|
||||
/* We have been given an interfaces line, and been
|
||||
told to only bind to those interfaces. Create a
|
||||
socket per interface and bind to only these.
|
||||
*/
|
||||
for(i = 0; i < num_interfaces; i++) {
|
||||
address = iface_n_ip(i);
|
||||
status = stream_setup_socket(task->event_ctx, model_ops, &wreplsrv_stream_ops,
|
||||
"ipv4", address, &port, service);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
DEBUG(0,("stream_setup_socket(address=%s,port=%u) failed - %s\n",
|
||||
address, port, nt_errstr(status)));
|
||||
return status;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
address = lp_socket_address();
|
||||
status = stream_setup_socket(task->event_ctx, model_ops, &wreplsrv_stream_ops,
|
||||
"ipv4", address, &port, service);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
DEBUG(0,("stream_setup_socket(address=%s,port=%u) failed - %s\n",
|
||||
address, port, nt_errstr(status)));
|
||||
return status;
|
||||
}
|
||||
}
|
||||
|
||||
return NT_STATUS_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
startup the wrepl task
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user