1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*
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.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2004-2005
main rdp process
*/
#include "xrdp.h"
/*****************************************************************************/
struct xrdp_process* xrdp_process_create(struct xrdp_listen* owner)
{
struct xrdp_process* self;
self = (struct xrdp_process*)g_malloc(sizeof(struct xrdp_process), 1);
self->lis_layer = owner;
return self;
}
/*****************************************************************************/
void xrdp_process_delete(struct xrdp_process* self)
{
if (self == 0)
{
return;
}
xrdp_rdp_delete(self->rdp_layer);
xrdp_orders_delete(self->orders);
xrdp_wm_delete(self->wm);
g_free(self);
}
/*****************************************************************************/
int xrdp_process_loop(struct xrdp_process* self, struct stream* s)
{
int cont;
int rv;
int code;
code = 0;
rv = 0;
cont = 1;
while (cont && !self->term)
{
if (xrdp_rdp_recv(self->rdp_layer, s, &code) != 0)
{
rv = 1;
break;
}
DEBUG(("xrdp_process_main_loop code %d\n\r", code));
switch (code)
{
case -1:
xrdp_rdp_send_demand_active(self->rdp_layer);
break;
case 0:
break;
case RDP_PDU_CONFIRM_ACTIVE: /* 3 */
xrdp_rdp_process_confirm_active(self->rdp_layer, s);
break;
case RDP_PDU_DATA: /* 7 */
if (xrdp_rdp_process_data(self->rdp_layer, s) != 0)
{
DEBUG(("xrdp_rdp_process_data returned non zero\n\r"));
cont = 0;
self->term = 1;
}
break;
default:
g_printf("unknown in xrdp_process_main_loop\n\r");
break;
}
if (cont)
{
cont = s->next_packet < s->end;
}
}
if (self->rdp_layer->up_and_running && self->wm == 0 && rv == 0)
{
/* only do this once */
DEBUG(("xrdp_process_main_loop up and running\n\r"));
self->orders = xrdp_orders_create(self, self->rdp_layer);
self->wm = xrdp_wm_create(self, &self->rdp_layer->client_info);
xrdp_wm_init(self->wm);
}
return rv;
}
/*****************************************************************************/
int xrdp_process_main_loop(struct xrdp_process* self)
{
#ifndef XRDP_LIB
int sel_r;
struct stream* s;
make_stream(s);
self->status = 1;
self->rdp_layer = xrdp_rdp_create(self, self->sck);
g_tcp_set_non_blocking(self->sck);
g_tcp_set_no_delay(self->sck);
if (xrdp_rdp_incoming(self->rdp_layer) == 0)
{
while (!g_is_term() && !self->term)
{
sel_r = g_tcp_select(self->sck, self->app_sck);
if (sel_r == 0) /* no data on any stream */
{
g_sleep(10);
}
else if (sel_r < 0)
{
break;
}
if (sel_r & 1)
{
init_stream(s, 8192);
if (xrdp_process_loop(self, s) != 0)
{
break;
}
}
if (sel_r & 2) /* mod socket fired */
{
if (self->wm->mod == 0)
{
break;
}
if (self->wm->mod->mod_signal == 0)
{
break;
}
if (self->wm->mod->mod_signal(self->wm->mod) != 0)
{
break;
}
}
}
}
if (self->wm->mod != 0)
{
if (self->wm->mod->mod_end != 0)
{
self->wm->mod->mod_end(self->wm->mod);
}
}
xrdp_rdp_disconnect(self->rdp_layer);
g_sleep(500);
xrdp_rdp_delete(self->rdp_layer);
self->rdp_layer = 0;
g_tcp_close(self->sck);
self->status = -1;
xrdp_listen_delete_pro(self->lis_layer, self);
free_stream(s);
#endif
return 0;
}
|
