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gerrit.omnirom.org / android_external_wpa_supplicant_8 / ce1e0634ed741293de60d5ba3476b26ccbd58ce2 / . / src / radius / radius.h
blob: 44123bdb56e466e59fdbd2c2bc4d0c64ccc1f54a [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 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800[diff] [blame]5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700[diff] [blame]7 */
8
9#ifndef RADIUS_H
10#define RADIUS_H
11
12/* RFC 2865 - RADIUS */
13
14#ifdef _MSC_VER
15#pragma pack(push, 1)
16#endif /* _MSC_VER */
17
18struct radius_hdr {
19 u8 code;
20 u8 identifier;
21 u16 length; /* including this header */
22 u8 authenticator[16];
23 /* followed by length-20 octets of attributes */
24} STRUCT_PACKED;
25
26enum { RADIUS_CODE_ACCESS_REQUEST = 1,
27 RADIUS_CODE_ACCESS_ACCEPT = 2,
28 RADIUS_CODE_ACCESS_REJECT = 3,
29 RADIUS_CODE_ACCOUNTING_REQUEST = 4,
30 RADIUS_CODE_ACCOUNTING_RESPONSE = 5,
31 RADIUS_CODE_ACCESS_CHALLENGE = 11,
32 RADIUS_CODE_STATUS_SERVER = 12,
33 RADIUS_CODE_STATUS_CLIENT = 13,
34 RADIUS_CODE_RESERVED = 255
35};
36
37struct radius_attr_hdr {
38 u8 type;
39 u8 length; /* including this header */
40 /* followed by length-2 octets of attribute value */
41} STRUCT_PACKED;
42
43#define RADIUS_MAX_ATTR_LEN (255 - sizeof(struct radius_attr_hdr))
44
45enum { RADIUS_ATTR_USER_NAME = 1,
46 RADIUS_ATTR_USER_PASSWORD = 2,
47 RADIUS_ATTR_NAS_IP_ADDRESS = 4,
48 RADIUS_ATTR_NAS_PORT = 5,
49 RADIUS_ATTR_FRAMED_MTU = 12,
50 RADIUS_ATTR_REPLY_MESSAGE = 18,
51 RADIUS_ATTR_STATE = 24,
52 RADIUS_ATTR_CLASS = 25,
53 RADIUS_ATTR_VENDOR_SPECIFIC = 26,
54 RADIUS_ATTR_SESSION_TIMEOUT = 27,
55 RADIUS_ATTR_IDLE_TIMEOUT = 28,
56 RADIUS_ATTR_TERMINATION_ACTION = 29,
57 RADIUS_ATTR_CALLED_STATION_ID = 30,
58 RADIUS_ATTR_CALLING_STATION_ID = 31,
59 RADIUS_ATTR_NAS_IDENTIFIER = 32,
60 RADIUS_ATTR_PROXY_STATE = 33,
61 RADIUS_ATTR_ACCT_STATUS_TYPE = 40,
62 RADIUS_ATTR_ACCT_DELAY_TIME = 41,
63 RADIUS_ATTR_ACCT_INPUT_OCTETS = 42,
64 RADIUS_ATTR_ACCT_OUTPUT_OCTETS = 43,
65 RADIUS_ATTR_ACCT_SESSION_ID = 44,
66 RADIUS_ATTR_ACCT_AUTHENTIC = 45,
67 RADIUS_ATTR_ACCT_SESSION_TIME = 46,
68 RADIUS_ATTR_ACCT_INPUT_PACKETS = 47,
69 RADIUS_ATTR_ACCT_OUTPUT_PACKETS = 48,
70 RADIUS_ATTR_ACCT_TERMINATE_CAUSE = 49,
71 RADIUS_ATTR_ACCT_MULTI_SESSION_ID = 50,
72 RADIUS_ATTR_ACCT_LINK_COUNT = 51,
73 RADIUS_ATTR_ACCT_INPUT_GIGAWORDS = 52,
74 RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS = 53,
75 RADIUS_ATTR_EVENT_TIMESTAMP = 55,
76 RADIUS_ATTR_NAS_PORT_TYPE = 61,
77 RADIUS_ATTR_TUNNEL_TYPE = 64,
78 RADIUS_ATTR_TUNNEL_MEDIUM_TYPE = 65,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800[diff] [blame]79 RADIUS_ATTR_TUNNEL_PASSWORD = 69,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700[diff] [blame]80 RADIUS_ATTR_CONNECT_INFO = 77,
81 RADIUS_ATTR_EAP_MESSAGE = 79,
82 RADIUS_ATTR_MESSAGE_AUTHENTICATOR = 80,
83 RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID = 81,
84 RADIUS_ATTR_ACCT_INTERIM_INTERVAL = 85,
85 RADIUS_ATTR_CHARGEABLE_USER_IDENTITY = 89,
86 RADIUS_ATTR_NAS_IPV6_ADDRESS = 95
87};
88
89
90/* Termination-Action */
91#define RADIUS_TERMINATION_ACTION_DEFAULT 0
92#define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1
93
94/* NAS-Port-Type */
95#define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19
96
97/* Acct-Status-Type */
98#define RADIUS_ACCT_STATUS_TYPE_START 1
99#define RADIUS_ACCT_STATUS_TYPE_STOP 2
100#define RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE 3
101#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON 7
102#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF 8
103
104/* Acct-Authentic */
105#define RADIUS_ACCT_AUTHENTIC_RADIUS 1
106#define RADIUS_ACCT_AUTHENTIC_LOCAL 2
107#define RADIUS_ACCT_AUTHENTIC_REMOTE 3
108
109/* Acct-Terminate-Cause */
110#define RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST 1
111#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_CARRIER 2
112#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_SERVICE 3
113#define RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT 4
114#define RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT 5
115#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET 6
116#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT 7
117#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_ERROR 8
118#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_ERROR 9
119#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REQUEST 10
120#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT 11
121#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_UNNEEDED 12
122#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_PREEMPTED 13
123#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_SUSPENDED 14
124#define RADIUS_ACCT_TERMINATE_CAUSE_SERVICE_UNAVAILABLE 15
125#define RADIUS_ACCT_TERMINATE_CAUSE_CALLBACK 16
126#define RADIUS_ACCT_TERMINATE_CAUSE_USER_ERROR 17
127#define RADIUS_ACCT_TERMINATE_CAUSE_HOST_REQUEST 18
128
129#define RADIUS_TUNNEL_TAGS 32
130
131/* Tunnel-Type */
132#define RADIUS_TUNNEL_TYPE_PPTP 1
133#define RADIUS_TUNNEL_TYPE_L2TP 3
134#define RADIUS_TUNNEL_TYPE_IPIP 7
135#define RADIUS_TUNNEL_TYPE_GRE 10
136#define RADIUS_TUNNEL_TYPE_VLAN 13
137
138/* Tunnel-Medium-Type */
139#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4 1
140#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6 2
141#define RADIUS_TUNNEL_MEDIUM_TYPE_802 6
142
143
144struct radius_attr_vendor {
145 u8 vendor_type;
146 u8 vendor_length;
147} STRUCT_PACKED;
148
149#define RADIUS_VENDOR_ID_CISCO 9
150#define RADIUS_CISCO_AV_PAIR 1
151
152/* RFC 2548 - Microsoft Vendor-specific RADIUS Attributes */
153#define RADIUS_VENDOR_ID_MICROSOFT 311
154
155enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
156 RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
157};
158
159#ifdef _MSC_VER
160#pragma pack(pop)
161#endif /* _MSC_VER */
162
163struct radius_ms_mppe_keys {
164 u8 *send;
165 size_t send_len;
166 u8 *recv;
167 size_t recv_len;
168};
169
170
171struct radius_msg;
172
173/* Default size to be allocated for new RADIUS messages */
174#define RADIUS_DEFAULT_MSG_SIZE 1024
175
176/* Default size to be allocated for attribute array */
177#define RADIUS_DEFAULT_ATTR_COUNT 16
178
179
180/* MAC address ASCII format for IEEE 802.1X use
181 * (draft-congdon-radius-8021x-20.txt) */
182#define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
183/* MAC address ASCII format for non-802.1X use */
184#define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"
185
186struct radius_hdr * radius_msg_get_hdr(struct radius_msg *msg);
187struct wpabuf * radius_msg_get_buf(struct radius_msg *msg);
188struct radius_msg * radius_msg_new(u8 code, u8 identifier);
189void radius_msg_free(struct radius_msg *msg);
190void radius_msg_dump(struct radius_msg *msg);
191int radius_msg_finish(struct radius_msg *msg, const u8 *secret,
192 size_t secret_len);
193int radius_msg_finish_srv(struct radius_msg *msg, const u8 *secret,
194 size_t secret_len, const u8 *req_authenticator);
195void radius_msg_finish_acct(struct radius_msg *msg, const u8 *secret,
196 size_t secret_len);
197struct radius_attr_hdr * radius_msg_add_attr(struct radius_msg *msg, u8 type,
198 const u8 *data, size_t data_len);
199struct radius_msg * radius_msg_parse(const u8 *data, size_t len);
200int radius_msg_add_eap(struct radius_msg *msg, const u8 *data,
201 size_t data_len);
202u8 *radius_msg_get_eap(struct radius_msg *msg, size_t *len);
203int radius_msg_verify(struct radius_msg *msg, const u8 *secret,
204 size_t secret_len, struct radius_msg *sent_msg,
205 int auth);
206int radius_msg_verify_msg_auth(struct radius_msg *msg, const u8 *secret,
207 size_t secret_len, const u8 *req_auth);
208int radius_msg_copy_attr(struct radius_msg *dst, struct radius_msg *src,
209 u8 type);
210void radius_msg_make_authenticator(struct radius_msg *msg,
211 const u8 *data, size_t len);
212struct radius_ms_mppe_keys *
213radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
214 const u8 *secret, size_t secret_len);
215struct radius_ms_mppe_keys *
216radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
217 const u8 *secret, size_t secret_len);
218int radius_msg_add_mppe_keys(struct radius_msg *msg,
219 const u8 *req_authenticator,
220 const u8 *secret, size_t secret_len,
221 const u8 *send_key, size_t send_key_len,
222 const u8 *recv_key, size_t recv_key_len);
223struct radius_attr_hdr *
224radius_msg_add_attr_user_password(struct radius_msg *msg,
225 const u8 *data, size_t data_len,
226 const u8 *secret, size_t secret_len);
227int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len);
228int radius_msg_get_vlanid(struct radius_msg *msg);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800[diff] [blame]229char * radius_msg_get_tunnel_password(struct radius_msg *msg, int *keylen,
230 const u8 *secret, size_t secret_len,
231 struct radius_msg *sent_msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700[diff] [blame]232
233static inline int radius_msg_add_attr_int32(struct radius_msg *msg, u8 type,
234 u32 value)
235{
236 u32 val = htonl(value);
237 return radius_msg_add_attr(msg, type, (u8 *) &val, 4) != NULL;
238}
239
240static inline int radius_msg_get_attr_int32(struct radius_msg *msg, u8 type,
241 u32 *value)
242{
243 u32 val;
244 int res;
245 res = radius_msg_get_attr(msg, type, (u8 *) &val, 4);
246 if (res != 4)
247 return -1;
248
249 *value = ntohl(val);
250 return 0;
251}
252int radius_msg_get_attr_ptr(struct radius_msg *msg, u8 type, u8 **buf,
253 size_t *len, const u8 *start);
254int radius_msg_count_attr(struct radius_msg *msg, u8 type, int min_len);
255
256
257struct radius_attr_data {
258 u8 *data;
259 size_t len;
260};
261
262struct radius_class_data {
263 struct radius_attr_data *attr;
264 size_t count;
265};
266
267void radius_free_class(struct radius_class_data *c);
268int radius_copy_class(struct radius_class_data *dst,
269 const struct radius_class_data *src);
270
271#endif /* RADIUS_H */