blob: 44a3125816da25eb0fe2b96525c9543f9f5a7371 (
plain)
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
|
#ifndef __PPPOE_H
#define __PPPOE_H
#include <pthread.h>
#include <linux/if.h>
#include <linux/if_pppox.h>
#include "rbtree.h"
#include "crypto.h"
/* PPPoE codes */
#define CODE_PADI 0x09
#define CODE_PADO 0x07
#define CODE_PADR 0x19
#define CODE_PADS 0x65
#define CODE_PADT 0xA7
#define CODE_SESS 0x00
/* PPPoE Tags */
#define TAG_END_OF_LIST 0x0000
#define TAG_SERVICE_NAME 0x0101
#define TAG_AC_NAME 0x0102
#define TAG_HOST_UNIQ 0x0103
#define TAG_AC_COOKIE 0x0104
#define TAG_VENDOR_SPECIFIC 0x0105
#define TAG_RELAY_SESSION_ID 0x0110
#define TAG_SERVICE_NAME_ERROR 0x0201
#define TAG_AC_SYSTEM_ERROR 0x0202
#define TAG_GENERIC_ERROR 0x0203
/* Discovery phase states */
#define STATE_SENT_PADI 0
#define STATE_RECEIVED_PADO 1
#define STATE_SENT_PADR 2
#define STATE_SESSION 3
#define STATE_TERMINATED 4
/* Header size of a PPPoE packet */
#define PPPOE_OVERHEAD 6 /* type, code, session, length */
#define HDR_SIZE (sizeof(struct ethhdr) + PPPOE_OVERHEAD)
#define MAX_PPPOE_PAYLOAD (ETH_DATA_LEN - PPPOE_OVERHEAD)
#define MAX_PPPOE_MTU (MAX_PPPOE_PAYLOAD - 2)
#define VENDOR_ADSL_FORUM 0xde9
#define SECRET_LENGTH 16
#define COOKIE_LENGTH 24
struct pppoe_tag_t
{
struct list_head entry;
int type;
int len;
};
struct pppoe_packet_t
{
uint8_t src[ETH_ALEN];
uint8_t dst[ETH_ALEN];
int code;
uint16_t sid;
struct list_head tags;
};
struct pppoe_serv_t
{
struct list_head entry;
struct triton_context_t ctx;
struct rb_node node;
const struct ap_net *net;
int disc_sock;
uint8_t hwaddr[ETH_ALEN];
char *ifname;
int ifindex;
int parent_ifindex;
int vid;
struct triton_timer_t timer;
uint8_t secret[SECRET_LENGTH];
DES_key_schedule des_ks;
pthread_mutex_t lock;
int stopping:1;
unsigned int conn_cnt;
struct list_head conn_list;
struct list_head pado_list;
struct list_head padi_list;
int padi_cnt;
int padi_limit;
time_t last_padi_limit_warn;
};
extern int conf_verbose;
extern char *conf_service_name;
extern char *conf_ac_name;
extern char *conf_pado_delay;
extern unsigned int stat_starting;
extern unsigned int stat_active;
extern unsigned int stat_delayed_pado;
extern unsigned long stat_PADI_recv;
extern unsigned long stat_PADO_sent;
extern unsigned long stat_PADR_recv;
extern unsigned long stat_PADR_dup_recv;
extern unsigned long stat_PADS_sent;
extern unsigned long stat_PADI_drop;
extern unsigned long stat_filtered;
extern pthread_rwlock_t serv_lock;
extern struct list_head serv_list;
int mac_filter_check(const uint8_t *addr);
void pppoe_server_start(const char *intf, void *client);
void pppoe_server_stop(const char *intf);
void pppoe_serv_read(uint8_t *data);
void _server_stop(struct pppoe_serv_t *s);
int pppoe_disc_start(struct pppoe_serv_t *serv);
void pppoe_disc_stop(struct pppoe_serv_t *serv);
extern int pado_delay;
void dpado_check_next(int conn_cnt);
void dpado_check_prev(int conn_cnt);
int dpado_parse(const char *str);
struct rad_packet_t;
int tr101_send_access_request(struct pppoe_tag *tr101, struct rad_packet_t *pack);
int tr101_send_accounting_request(struct pppoe_tag *tr101, struct rad_packet_t *pack);
#endif
|
