-
Notifications
You must be signed in to change notification settings - Fork 2
/
avp.h
144 lines (125 loc) · 5.88 KB
/
avp.h
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
/*
* Layer Two Tunnelling Protocol Daemon
* Copyright (C) 1998 Adtran, Inc.
* Copyright (C) 2002 Jeff McAdams
*
* Mark Spencer
*
* This software is distributed under the terms
* of the GPL, which you should have received
* along with this source.
*
* Attribute Value Pair structures and
* definitions
*/
#include "common.h"
struct avp_hdr
{
_u16 length;
_u16 vendorid;
_u16 attr;
} __attribute__((packed));
struct avp
{
int num; /* Number of AVP */
int m; /* Set M? */
int (*handler) (struct tunnel *, struct call *, void *, int);
/* This should handle the AVP
taking a tunnel, call, the data,
and the length of the AVP as
parameters. Should return 0
upon success */
char *description; /* A name, for debugging */
};
extern int handle_avps (struct buffer *buf, struct tunnel *t, struct call *c);
extern char *msgtypes[];
#define VENDOR_ID 0 /* We don't have any extensions
so we shoouldn't have to
worry about this */
/*
* Macros to extract information from length field of AVP
*/
#define AMBIT(len) (len & 0x8000) /* Mandatory bit: If this is
set on an unknown AVP,
we MUST terminate */
#define AHBIT(len) (len & 0x4000) /* Hidden bit: Specifies
information hiding */
#define AZBITS(len) (len & 0x3C00) /* Reserved bits: We must
drop anything with any
of these set. */
#define ALENGTH(len) (len & 0x03FF) /* Length: Lenth of AVP */
#define MAXAVPSIZE 1023
#define MAXTIME 300 /* time to wait before checking
Ns and Nr, in ms */
#define MBIT 0x8000 /* for setting */
#define HBIT 0x4000 /* Set on hidden avp's */
#define ASYNC_FRAMING 2
#define SYNC_FRAMING 1
#define ANALOG_BEARER 2
#define DIGITAL_BEARER 1
#define VENDOR_ERROR 6
#define ERROR_RESERVED 3
#define ERROR_LENGTH 2
#define ERROR_NOTEXIST 1
#define ERROR_NORES 4
#define ERROR_INVALID 6
#define RESULT_CLEAR 1
#define RESULT_ERROR 2
#define RESULT_EXISTS 3
extern void encrypt_avp (struct buffer *, _u16, struct tunnel *);
extern int decrypt_avp (char *, struct tunnel *);
extern int message_type_avp (struct tunnel *, struct call *, void *, int);
extern int protocol_version_avp (struct tunnel *, struct call *, void *, int);
extern int framing_caps_avp (struct tunnel *, struct call *, void *, int);
extern int bearer_caps_avp (struct tunnel *, struct call *, void *, int);
extern int firmware_rev_avp (struct tunnel *, struct call *, void *, int);
extern int hostname_avp (struct tunnel *, struct call *, void *, int);
extern int vendor_avp (struct tunnel *, struct call *, void *, int);
extern int assigned_tunnel_avp (struct tunnel *, struct call *, void *, int);
extern int receive_window_size_avp (struct tunnel *, struct call *, void *,
int);
extern int result_code_avp (struct tunnel *, struct call *, void *, int);
extern int assigned_call_avp (struct tunnel *, struct call *, void *, int);
extern int call_serno_avp (struct tunnel *, struct call *, void *, int);
extern int bearer_type_avp (struct tunnel *, struct call *, void *, int);
extern int call_physchan_avp (struct tunnel *, struct call *, void *, int);
extern int dialed_number_avp (struct tunnel *, struct call *, void *, int);
extern int dialing_number_avp (struct tunnel *, struct call *, void *, int);
extern int sub_address_avp (struct tunnel *, struct call *, void *, int);
extern int frame_type_avp (struct tunnel *, struct call *, void *, int);
extern int rx_speed_avp (struct tunnel *, struct call *, void *, int);
extern int tx_speed_avp (struct tunnel *, struct call *, void *, int);
extern int packet_delay_avp (struct tunnel *, struct call *, void *, int);
extern int ignore_avp (struct tunnel *, struct call *, void *, int);
extern int seq_reqd_avp (struct tunnel *, struct call *, void *, int);
extern int challenge_avp (struct tunnel *, struct call *, void *, int);
extern int chalresp_avp (struct tunnel *, struct call *, void *, int);
extern int rand_vector_avp (struct tunnel *, struct call *, void *, int);
extern int add_challenge_avp (struct buffer *, unsigned char *, int);
extern int add_avp_rws (struct buffer *, _u16);
extern int add_tunnelid_avp (struct buffer *, _u16);
extern int add_vendor_avp (struct buffer *);
extern int add_hostname_avp (struct buffer *, const char *);
extern int add_firmware_avp (struct buffer *);
extern int add_bearer_caps_avp (struct buffer *buf, _u16 caps);
extern int add_frame_caps_avp (struct buffer *buf, _u16 caps);
extern int add_protocol_avp (struct buffer *buf);
extern int add_message_type_avp (struct buffer *buf, _u16 type);
extern int add_result_code_avp (struct buffer *buf, _u16, _u16, char *, int);
extern int add_bearer_avp (struct buffer *, int);
extern int add_frame_avp (struct buffer *, int);
extern int add_rxspeed_avp (struct buffer *, int);
extern int add_txspeed_avp (struct buffer *, int);
extern int add_serno_avp (struct buffer *, unsigned int);
#ifdef TEST_HIDDEN
extern int add_callid_avp (struct buffer *, _u16, struct tunnel *);
#else
extern int add_callid_avp (struct buffer *, _u16);
#endif
extern int add_ppd_avp (struct buffer *, _u16);
extern int add_seqreqd_avp (struct buffer *);
extern int add_chalresp_avp (struct buffer *, unsigned char *, int);
extern int add_randvect_avp (struct buffer *, unsigned char *, int);
extern int add_minbps_avp (struct buffer *buf, int speed); /* jz: needed for outgoing call */
extern int add_maxbps_avp (struct buffer *buf, int speed); /* jz: needed for outgoing call */
extern int add_number_avp (struct buffer *buf, char *no); /* jz: needed for outgoing call */