summaryrefslogtreecommitdiff
path: root/accel-pppd/radius/radius_p.h
blob: 9687f820fa96ad2ef504a729d1769db4514c49b1 (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
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
#ifndef __RADIUS_P_H
#define __RADIUS_P_H

#include <netinet/in.h>
#include <pthread.h>
#include <stdarg.h>

#include "triton.h"
#include "radius.h"
#include "ppp.h"
#include "ipdb.h"
#include "pwdb.h"

struct rad_server_t;

struct radius_auth_ctx {
	struct rad_req_t *req;
	pwdb_callback cb;
	void *cb_arg;
	int (*recv)(struct rad_req_t *);

	const uint8_t *challenge;
	uint8_t *authenticator;
	char **mschap_error;
	char **reply_msg;
};

struct radius_pd_t {
	struct list_head entry;
	struct ap_private pd;
	struct ap_session *ses;
	pthread_mutex_t lock;
	int refs:8;
	int authenticated:1;
	int acct_started:1;
	int ipv6_dp_assigned:1;

	struct rad_req_t *acct_req;
	struct triton_timer_t acct_interim_timer;

	struct triton_timer_t session_timeout;
	struct triton_timer_t idle_timeout;

	struct rad_packet_t *dm_coa_req;
	struct sockaddr_in dm_coa_addr;

	struct ipv4db_item_t ipv4_addr;
	struct ipv6db_item_t ipv6_addr;
	struct ipv6db_prefix_t ipv6_dp;
	int acct_interim_interval;

	uint8_t *attr_class;
	int attr_class_len;
	uint8_t *attr_state;
	int attr_state_len;
	int termination_action;

	struct radius_auth_ctx *auth_ctx;

	struct list_head plugin_list;
};

struct rad_req_t {
	struct list_head entry;
	struct triton_md_handler_t hnd;
	struct triton_timer_t timeout;
	uint8_t RA[16];
	struct rad_packet_t *pack;
	struct rad_packet_t *reply;

	struct radius_pd_t *rpd;
	struct rad_server_t *serv;

	in_addr_t server_addr;

	int server_port;
	int type:8;
	int try:6;
	int active:1;
	int async:1;

	time_t ts;

	void (*recv)(struct rad_req_t *);
	int (*before_send)(struct rad_req_t *);
	int (*send)(struct rad_req_t *, int async);
	void (*sent)(struct rad_req_t *, int res);

	void (*log)(const char *fmt, ...);
};

struct rad_server_t {
	struct list_head entry;
	struct triton_context_t ctx;
	struct triton_timer_t timer;
	int id;
	in_addr_t addr;
	char *secret;
	int auth_port;
	int acct_port;
	int req_limit;
	int req_cnt;
	int queue_cnt;
	int fail_timeout;
	int max_fail;

	struct list_head req_queue;
	int client_cnt[2];
	time_t fail_time;
	int timeout_cnt;
	int weight;
	pthread_mutex_t lock;

	unsigned long stat_auth_sent;
	unsigned long stat_auth_lost;
	unsigned long stat_acct_sent;
	unsigned long stat_acct_lost;
	unsigned long stat_interim_sent;
	unsigned long stat_interim_lost;
	unsigned long stat_fail_cnt;

	struct stat_accm_t *stat_auth_lost_1m;
	struct stat_accm_t *stat_auth_lost_5m;
	struct stat_accm_t *stat_auth_query_1m;
	struct stat_accm_t *stat_auth_query_5m;

	struct stat_accm_t *stat_acct_lost_1m;
	struct stat_accm_t *stat_acct_lost_5m;
	struct stat_accm_t *stat_acct_query_1m;
	struct stat_accm_t *stat_acct_query_5m;

	struct stat_accm_t *stat_interim_lost_1m;
	struct stat_accm_t *stat_interim_lost_5m;
	struct stat_accm_t *stat_interim_query_1m;
	struct stat_accm_t *stat_interim_query_5m;

	unsigned int backup:1;
	unsigned int starting:1;
	unsigned int acct_on:1;
	unsigned int need_free:1;
	unsigned int need_close:1;
};

#define RAD_SERV_AUTH 0
#define RAD_SERV_ACCT 1

extern int conf_max_try;
extern int conf_timeout;
extern int conf_acct_timeout;
extern int conf_acct_delay_time;
extern int conf_verbose;
extern int conf_interim_verbose;
extern char *conf_nas_identifier;
extern in_addr_t conf_nas_ip_address;
extern in_addr_t conf_bind;
extern in_addr_t conf_gw_ip_address;
extern in_addr_t conf_auth_server;
extern char *conf_dm_coa_secret;
extern int conf_sid_in_auth;
extern int conf_require_nas_ident;
extern in_addr_t conf_dm_coa_server;
extern int conf_dm_coa_port;
extern int conf_acct_interim_interval;
extern int conf_accounting;
extern const char *conf_attr_tunnel_type;

int rad_check_nas_pack(struct rad_packet_t *pack);
struct radius_pd_t *rad_find_session(const char *sessionid, const char *username, const char *port_id, int port, in_addr_t ipaddr, const char *csid);
struct radius_pd_t *rad_find_session_pack(struct rad_packet_t *pack);

int rad_dict_load(const char *fname);
void rad_dict_free(struct rad_dict_t *dict);

struct rad_req_t *rad_req_alloc(struct radius_pd_t *rpd, int code, const char *username);
struct rad_req_t *rad_req_alloc2(struct radius_pd_t *rpd, int code, const char *username, in_addr_t addr, int port);
struct rad_req_t *rad_req_alloc_empty();
int rad_req_acct_fill(struct rad_req_t *);
void rad_req_free(struct rad_req_t *);
int rad_req_send(struct rad_req_t *req);
int __rad_req_send(struct rad_req_t *req, int async);
int rad_req_read(struct triton_md_handler_t *h);

struct radius_pd_t *find_pd(struct ap_session *ses);
int rad_proc_attrs(struct rad_req_t *req);
void hold_pd(struct radius_pd_t *rpd);
void release_pd(struct radius_pd_t *rpd);

int rad_auth_pap(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_auth_chap_md5(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_auth_mschap_v1(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_auth_mschap_v2(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_auth_null(struct radius_pd_t *rpd, const char *username, va_list args);

int rad_acct_start(struct radius_pd_t *rpd);
int rad_acct_stop(struct radius_pd_t *rpd);
void rad_acct_stop_defer(struct radius_pd_t *rpd);

struct rad_packet_t *rad_packet_alloc(int code);
int rad_packet_build(struct rad_packet_t *pack, uint8_t *RA);
int rad_packet_recv(int fd, struct rad_packet_t **, struct sockaddr_in *addr);
void rad_packet_free(struct rad_packet_t *);
void rad_packet_print(struct rad_packet_t *pack, struct rad_server_t *s, void (*print)(const char *fmt, ...));
int rad_packet_send(struct rad_packet_t *pck, int fd, struct sockaddr_in *addr);

void dm_coa_cancel(struct radius_pd_t *pd);

struct rad_server_t *rad_server_get(int);
struct rad_server_t *rad_server_get2(int, in_addr_t, int);
void rad_server_put(struct rad_server_t *, int);
int rad_server_req_enter(struct rad_req_t *);
void rad_server_req_exit(struct rad_req_t *);
int rad_server_req_cancel(struct rad_req_t *, int full);
int rad_server_realloc(struct rad_req_t *);
void rad_server_fail(struct rad_server_t *);
void rad_server_timeout(struct rad_server_t *);
void rad_server_reply(struct rad_server_t *);

void radius_restore_session(struct ap_session *ses, struct radius_pd_t *rpd);

struct rtnl_link_stats;
int rad_read_stats(struct radius_pd_t *rpd, struct rtnl_link_stats *stats);

struct stat_accm_t;
struct stat_accm_t *stat_accm_create(unsigned int time);
void stat_accm_free(struct stat_accm_t *);
void stat_accm_add(struct stat_accm_t *, unsigned int);
unsigned long stat_accm_get_cnt(struct stat_accm_t *);
unsigned long stat_accm_get_avg(struct stat_accm_t *);

#endif