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
|
#ifndef PPP_IPCP_H
#define PPP_IPCP_H
#include <stdint.h>
#include "triton.h"
#include "ppp_fsm.h"
/*
* Options.
*/
#define CI_COMP 2 /* IP-Compress-Protocol */
#define CI_ADDR 3 /* IP-Address */
#define CI_DNS1 129 /* Primary-DNS-Address */
#define CI_DNS2 131 /* Secondary-DNS-Address */
#define CI_WINS1 130 /* Primary-NBNS-Address */
#define CI_WINS2 132 /* Secondary-NBNS-Address */
struct ipcp_hdr_t
{
uint16_t proto;
uint8_t code;
uint8_t id;
uint16_t len;
} __attribute__((packed));
struct ipcp_opt_hdr_t
{
uint8_t id;
uint8_t len;
} __attribute__((packed));
struct ipcp_opt8_t
{
struct ipcp_opt_hdr_t hdr;
uint8_t val;
} __attribute__((packed));
struct ipcp_opt16_t
{
struct ipcp_opt_hdr_t hdr;
uint16_t val;
} __attribute__((packed));
struct ipcp_opt32_t
{
struct ipcp_opt_hdr_t hdr;
uint32_t val;
} __attribute__((packed));
#define IPCP_OPT_NONE 0
#define IPCP_OPT_ACK 1
#define IPCP_OPT_NAK -1
#define IPCP_OPT_REJ -2
#define IPCP_OPT_CLOSE -3
#define IPCP_OPT_TERMACK -4
#define IPCP_OPT_FAIL -5
struct ppp_ipcp_t;
struct ipcp_option_handler_t;
struct ipcp_option_t
{
struct list_head entry;
int id;
int len;
int state;
int print:1;
struct ipcp_option_handler_t *h;
};
struct ipcp_option_handler_t
{
struct list_head entry;
struct ipcp_option_t* (*init)(struct ppp_ipcp_t*);
int (*send_conf_req)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*send_conf_rej)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*send_conf_nak)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_req)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_rej)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_nak)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_ack)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
void (*free)(struct ppp_ipcp_t*,struct ipcp_option_t*);
void (*print)(void (*print)(const char *fmt,...), struct ipcp_option_t*,uint8_t*);
};
struct ppp_ipcp_t
{
struct ppp_layer_data_t ld;
struct ppp_handler_t hnd;
struct ppp_fsm_t fsm;
struct ppp_t *ppp;
struct list_head options;
struct triton_timer_t timeout;
struct list_head ropt_list; // last received ConfReq
int ropt_len;
int conf_req_len;
int starting:1;
int started:1;
int delay_ack:1;
};
int ipcp_option_register(struct ipcp_option_handler_t *h);
struct ipcp_option_t *ipcp_find_option(struct ppp_t *ppp, struct ipcp_option_handler_t *h);
#endif
|
