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gerrit.omnirom.org / android_external_wpa_supplicant_8 / bf5edf439c90418b6f4122ff5e3925123263bda4 / . / src / radius / radius.h
blob: a3cdac0dac0aa480e8a6a8c76927b4b8d772de2c [file] [log] [blame]
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700[diff] [blame]1/*
2 * RADIUS message processing
3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#ifndef RADIUS_H
16#define RADIUS_H
17
18/* RFC 2865 - RADIUS */
19
20#ifdef _MSC_VER
21#pragma pack(push, 1)
22#endif /* _MSC_VER */
23
24struct radius_hdr {
25 u8 code;
26 u8 identifier;
27 u16 length; /* including this header */
28 u8 authenticator[16];
29 /* followed by length-20 octets of attributes */
30} STRUCT_PACKED;
31
32enum { RADIUS_CODE_ACCESS_REQUEST = 1,
33 RADIUS_CODE_ACCESS_ACCEPT = 2,
34 RADIUS_CODE_ACCESS_REJECT = 3,
35 RADIUS_CODE_ACCOUNTING_REQUEST = 4,
36 RADIUS_CODE_ACCOUNTING_RESPONSE = 5,
37 RADIUS_CODE_ACCESS_CHALLENGE = 11,
38 RADIUS_CODE_STATUS_SERVER = 12,
39 RADIUS_CODE_STATUS_CLIENT = 13,
40 RADIUS_CODE_RESERVED = 255
41};
42
43struct radius_attr_hdr {
44 u8 type;
45 u8 length; /* including this header */
46 /* followed by length-2 octets of attribute value */
47} STRUCT_PACKED;
48
49#define RADIUS_MAX_ATTR_LEN (255 - sizeof(struct radius_attr_hdr))
50
51enum { RADIUS_ATTR_USER_NAME = 1,
52 RADIUS_ATTR_USER_PASSWORD = 2,
53 RADIUS_ATTR_NAS_IP_ADDRESS = 4,
54 RADIUS_ATTR_NAS_PORT = 5,
55 RADIUS_ATTR_FRAMED_MTU = 12,
56 RADIUS_ATTR_REPLY_MESSAGE = 18,
57 RADIUS_ATTR_STATE = 24,
58 RADIUS_ATTR_CLASS = 25,
59 RADIUS_ATTR_VENDOR_SPECIFIC = 26,
60 RADIUS_ATTR_SESSION_TIMEOUT = 27,
61 RADIUS_ATTR_IDLE_TIMEOUT = 28,
62 RADIUS_ATTR_TERMINATION_ACTION = 29,
63 RADIUS_ATTR_CALLED_STATION_ID = 30,
64 RADIUS_ATTR_CALLING_STATION_ID = 31,
65 RADIUS_ATTR_NAS_IDENTIFIER = 32,
66 RADIUS_ATTR_PROXY_STATE = 33,
67 RADIUS_ATTR_ACCT_STATUS_TYPE = 40,
68 RADIUS_ATTR_ACCT_DELAY_TIME = 41,
69 RADIUS_ATTR_ACCT_INPUT_OCTETS = 42,
70 RADIUS_ATTR_ACCT_OUTPUT_OCTETS = 43,
71 RADIUS_ATTR_ACCT_SESSION_ID = 44,
72 RADIUS_ATTR_ACCT_AUTHENTIC = 45,
73 RADIUS_ATTR_ACCT_SESSION_TIME = 46,
74 RADIUS_ATTR_ACCT_INPUT_PACKETS = 47,
75 RADIUS_ATTR_ACCT_OUTPUT_PACKETS = 48,
76 RADIUS_ATTR_ACCT_TERMINATE_CAUSE = 49,
77 RADIUS_ATTR_ACCT_MULTI_SESSION_ID = 50,
78 RADIUS_ATTR_ACCT_LINK_COUNT = 51,
79 RADIUS_ATTR_ACCT_INPUT_GIGAWORDS = 52,
80 RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS = 53,
81 RADIUS_ATTR_EVENT_TIMESTAMP = 55,
82 RADIUS_ATTR_NAS_PORT_TYPE = 61,
83 RADIUS_ATTR_TUNNEL_TYPE = 64,
84 RADIUS_ATTR_TUNNEL_MEDIUM_TYPE = 65,
85 RADIUS_ATTR_CONNECT_INFO = 77,
86 RADIUS_ATTR_EAP_MESSAGE = 79,
87 RADIUS_ATTR_MESSAGE_AUTHENTICATOR = 80,
88 RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID = 81,
89 RADIUS_ATTR_ACCT_INTERIM_INTERVAL = 85,
90 RADIUS_ATTR_CHARGEABLE_USER_IDENTITY = 89,
91 RADIUS_ATTR_NAS_IPV6_ADDRESS = 95
92};
93
94
95/* Termination-Action */
96#define RADIUS_TERMINATION_ACTION_DEFAULT 0
97#define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1
98
99/* NAS-Port-Type */
100#define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19
101
102/* Acct-Status-Type */
103#define RADIUS_ACCT_STATUS_TYPE_START 1
104#define RADIUS_ACCT_STATUS_TYPE_STOP 2
105#define RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE 3
106#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON 7
107#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF 8
108
109/* Acct-Authentic */
110#define RADIUS_ACCT_AUTHENTIC_RADIUS 1
111#define RADIUS_ACCT_AUTHENTIC_LOCAL 2
112#define RADIUS_ACCT_AUTHENTIC_REMOTE 3
113
114/* Acct-Terminate-Cause */
115#define RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST 1
116#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_CARRIER 2
117#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_SERVICE 3
118#define RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT 4
119#define RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT 5
120#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET 6
121#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT 7
122#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_ERROR 8
123#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_ERROR 9
124#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REQUEST 10
125#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT 11
126#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_UNNEEDED 12
127#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_PREEMPTED 13
128#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_SUSPENDED 14
129#define RADIUS_ACCT_TERMINATE_CAUSE_SERVICE_UNAVAILABLE 15
130#define RADIUS_ACCT_TERMINATE_CAUSE_CALLBACK 16
131#define RADIUS_ACCT_TERMINATE_CAUSE_USER_ERROR 17
132#define RADIUS_ACCT_TERMINATE_CAUSE_HOST_REQUEST 18
133
134#define RADIUS_TUNNEL_TAGS 32
135
136/* Tunnel-Type */
137#define RADIUS_TUNNEL_TYPE_PPTP 1
138#define RADIUS_TUNNEL_TYPE_L2TP 3
139#define RADIUS_TUNNEL_TYPE_IPIP 7
140#define RADIUS_TUNNEL_TYPE_GRE 10
141#define RADIUS_TUNNEL_TYPE_VLAN 13
142
143/* Tunnel-Medium-Type */
144#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4 1
145#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6 2
146#define RADIUS_TUNNEL_MEDIUM_TYPE_802 6
147
148
149struct radius_attr_vendor {
150 u8 vendor_type;
151 u8 vendor_length;
152} STRUCT_PACKED;
153
154#define RADIUS_VENDOR_ID_CISCO 9
155#define RADIUS_CISCO_AV_PAIR 1
156
157/* RFC 2548 - Microsoft Vendor-specific RADIUS Attributes */
158#define RADIUS_VENDOR_ID_MICROSOFT 311
159
160enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
161 RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
162};
163
164#ifdef _MSC_VER
165#pragma pack(pop)
166#endif /* _MSC_VER */
167
168struct radius_ms_mppe_keys {
169 u8 *send;
170 size_t send_len;
171 u8 *recv;
172 size_t recv_len;
173};
174
175
176struct radius_msg;
177
178/* Default size to be allocated for new RADIUS messages */
179#define RADIUS_DEFAULT_MSG_SIZE 1024
180
181/* Default size to be allocated for attribute array */
182#define RADIUS_DEFAULT_ATTR_COUNT 16
183
184
185/* MAC address ASCII format for IEEE 802.1X use
186 * (draft-congdon-radius-8021x-20.txt) */
187#define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
188/* MAC address ASCII format for non-802.1X use */
189#define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"
190
191struct radius_hdr * radius_msg_get_hdr(struct radius_msg *msg);
192struct wpabuf * radius_msg_get_buf(struct radius_msg *msg);
193struct radius_msg * radius_msg_new(u8 code, u8 identifier);
194void radius_msg_free(struct radius_msg *msg);
195void radius_msg_dump(struct radius_msg *msg);
196int radius_msg_finish(struct radius_msg *msg, const u8 *secret,
197 size_t secret_len);
198int radius_msg_finish_srv(struct radius_msg *msg, const u8 *secret,
199 size_t secret_len, const u8 *req_authenticator);
200void radius_msg_finish_acct(struct radius_msg *msg, const u8 *secret,
201 size_t secret_len);
202struct radius_attr_hdr * radius_msg_add_attr(struct radius_msg *msg, u8 type,
203 const u8 *data, size_t data_len);
204struct radius_msg * radius_msg_parse(const u8 *data, size_t len);
205int radius_msg_add_eap(struct radius_msg *msg, const u8 *data,
206 size_t data_len);
207u8 *radius_msg_get_eap(struct radius_msg *msg, size_t *len);
208int radius_msg_verify(struct radius_msg *msg, const u8 *secret,
209 size_t secret_len, struct radius_msg *sent_msg,
210 int auth);
211int radius_msg_verify_msg_auth(struct radius_msg *msg, const u8 *secret,
212 size_t secret_len, const u8 *req_auth);
213int radius_msg_copy_attr(struct radius_msg *dst, struct radius_msg *src,
214 u8 type);
215void radius_msg_make_authenticator(struct radius_msg *msg,
216 const u8 *data, size_t len);
217struct radius_ms_mppe_keys *
218radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
219 const u8 *secret, size_t secret_len);
220struct radius_ms_mppe_keys *
221radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
222 const u8 *secret, size_t secret_len);
223int radius_msg_add_mppe_keys(struct radius_msg *msg,
224 const u8 *req_authenticator,
225 const u8 *secret, size_t secret_len,
226 const u8 *send_key, size_t send_key_len,
227 const u8 *recv_key, size_t recv_key_len);
228struct radius_attr_hdr *
229radius_msg_add_attr_user_password(struct radius_msg *msg,
230 const u8 *data, size_t data_len,
231 const u8 *secret, size_t secret_len);
232int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len);
233int radius_msg_get_vlanid(struct radius_msg *msg);
234
235static inline int radius_msg_add_attr_int32(struct radius_msg *msg, u8 type,
236 u32 value)
237{
238 u32 val = htonl(value);
239 return radius_msg_add_attr(msg, type, (u8 *) &val, 4) != NULL;
240}
241
242static inline int radius_msg_get_attr_int32(struct radius_msg *msg, u8 type,
243 u32 *value)
244{
245 u32 val;
246 int res;
247 res = radius_msg_get_attr(msg, type, (u8 *) &val, 4);
248 if (res != 4)
249 return -1;
250
251 *value = ntohl(val);
252 return 0;
253}
254int radius_msg_get_attr_ptr(struct radius_msg *msg, u8 type, u8 **buf,
255 size_t *len, const u8 *start);
256int radius_msg_count_attr(struct radius_msg *msg, u8 type, int min_len);
257
258
259struct radius_attr_data {
260 u8 *data;
261 size_t len;
262};
263
264struct radius_class_data {
265 struct radius_attr_data *attr;
266 size_t count;
267};
268
269void radius_free_class(struct radius_class_data *c);
270int radius_copy_class(struct radius_class_data *dst,
271 const struct radius_class_data *src);
272
273#endif /* RADIUS_H */