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
|
/* orckit_quirks.c ...... fix quirks in orckit adsl modems
* mulix <mulix@actcom.co.il>
*
* $Id: orckit_quirks.c,v 1.3 2002/03/01 01:23:36 quozl Exp $
*/
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include "pptp_msg.h"
#include "pptp_options.h"
#include "pptp_ctrl.h"
#include "util.h"
/* return 0 on success, non zero otherwise */
int
orckit_atur3_build_hook(struct pptp_out_call_rqst* packet)
{
unsigned int name_length = 10;
struct pptp_out_call_rqst fixed_packet = {
PPTP_HEADER_CTRL(PPTP_OUT_CALL_RQST),
0, /* hton16(call->callid) */
0, /* hton16(call->sernum) */
hton32(PPTP_BPS_MIN), hton32(PPTP_BPS_MAX),
hton32(PPTP_BEARER_DIGITAL), hton32(PPTP_FRAME_ANY),
hton16(PPTP_WINDOW), 0, hton16(name_length), 0,
{'R','E','L','A','Y','_','P','P','P','1',0}, {0}
};
if (!packet)
return -1;
memcpy(packet, &fixed_packet, sizeof(*packet));
return 0;
}
/* return 0 on success, non zero otherwise */
int
orckit_atur3_set_link_hook(struct pptp_set_link_info* packet,
int peer_call_id)
{
struct pptp_set_link_info fixed_packet = {
PPTP_HEADER_CTRL(PPTP_SET_LINK_INFO),
hton16(peer_call_id),
0,
0xffffffff,
0xffffffff};
if (!packet)
return -1;
memcpy(packet, &fixed_packet, sizeof(*packet));
return 0;
}
/* return 0 on success, non 0 otherwise */
int
orckit_atur3_start_ctrl_conn_hook(struct pptp_start_ctrl_conn* packet)
{
struct pptp_start_ctrl_conn fixed_packet = {
{0}, /* we'll set the header later */
hton16(PPTP_VERSION), 0, 0,
hton32(PPTP_FRAME_ASYNC), hton32(PPTP_BEARER_ANALOG),
hton16(0) /* max channels */,
hton16(0x6021),
{'R','E','L','A','Y','_','P','P','P','1',0}, /* hostname */
{'M','S',' ','W','i','n',' ','N','T',0} /* vendor */
};
if (!packet)
return -1;
/* grab the header from the original packet, since we dont
know if this is a request or a reply */
memcpy(&fixed_packet.header, &packet->header, sizeof(struct pptp_header));
/* and now overwrite the full packet, effectively preserving the header */
memcpy(packet, &fixed_packet, sizeof(*packet));
return 0;
}
|
