FreeRDP/libfreerdp-core/freerdp.c
Norbert Federa 12245abfc8 pcap: fix several segfaults with NULL pcap file handle
- pcap_open did not return NULL if fopen failed
- libfreerdp-core, tfreerdp-serer and xfreerdp-server did not check the pcap_open result
- also fixed the sleep calculation in the xfreerdp-server
2011-10-20 14:25:25 +02:00

178 lines
3.8 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* FreeRDP Core
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "rdp.h"
#include "input.h"
#include "update.h"
#include "surface.h"
#include "transport.h"
#include "connection.h"
#include <freerdp/freerdp.h>
#include <freerdp/utils/memory.h>
boolean freerdp_connect(freerdp* instance)
{
rdpRdp* rdp;
boolean status;
rdp = instance->context->rdp;
IFCALL(instance->PreConnect, instance);
status = rdp_client_connect(rdp);
if (status)
{
if (instance->settings->dump_rfx)
{
instance->update->pcap_rfx = pcap_open(instance->settings->dump_rfx_file, True);
if (instance->update->pcap_rfx)
instance->update->dump_rfx = True;
}
IFCALL(instance->PostConnect, instance);
if (instance->settings->play_rfx)
{
STREAM* s;
rdpUpdate* update;
pcap_record record;
s = stream_new(1024);
instance->update->pcap_rfx = pcap_open(instance->settings->play_rfx_file, False);
if (instance->update->pcap_rfx)
instance->update->play_rfx = True;
update = instance->update;
while (instance->update->play_rfx && pcap_has_next_record(update->pcap_rfx))
{
pcap_get_next_record_header(update->pcap_rfx, &record);
s->data = xrealloc(s->data, record.length);
record.data = s->data;
s->size = record.length;
pcap_get_next_record_content(update->pcap_rfx, &record);
stream_set_pos(s, 0);
update->BeginPaint(update);
update_recv_surfcmds(update, s->size, s);
update->EndPaint(update);
}
xfree(s->data);
return True;
}
}
return status;
}
boolean freerdp_get_fds(freerdp* instance, void** rfds, int* rcount, void** wfds, int* wcount)
{
rdpRdp* rdp;
rdp = instance->context->rdp;
transport_get_fds(rdp->transport, rfds, rcount);
return True;
}
boolean freerdp_check_fds(freerdp* instance)
{
int status;
rdpRdp* rdp;
rdp = instance->context->rdp;
status = rdp_check_fds(rdp);
if (status < 0)
return False;
return True;
}
static int freerdp_send_channel_data(freerdp* instance, int channel_id, uint8* data, int size)
{
return rdp_send_channel_data(instance->context->rdp, channel_id, data, size);
}
boolean freerdp_disconnect(freerdp* instance)
{
rdpRdp* rdp;
rdp = instance->context->rdp;
transport_disconnect(rdp->transport);
return True;
}
void freerdp_context_new(freerdp* instance)
{
rdpRdp* rdp;
uint32 size = sizeof(rdpContext);
rdp = rdp_new(instance);
instance->input = rdp->input;
instance->update = rdp->update;
instance->settings = rdp->settings;
IFCALL(instance->ContextSize, instance, &size);
instance->context = (rdpContext*) xzalloc(size);
instance->context->instance = instance;
instance->context->rdp = rdp;
instance->update->context = instance->context;
instance->input->context = instance->context;
input_register_client_callbacks(rdp->input);
IFCALL(instance->ContextNew, instance, instance->context);
}
void freerdp_context_free(freerdp* instance)
{
IFCALL(instance->ContextFree, instance, instance->context);
}
freerdp* freerdp_new()
{
freerdp* instance;
instance = xzalloc(sizeof(freerdp));
if (instance != NULL)
{
instance->SendChannelData = freerdp_send_channel_data;
}
return instance;
}
void freerdp_free(freerdp* freerdp)
{
if (freerdp)
{
rdp_free(freerdp->context->rdp);
xfree(freerdp);
}
}