source: rtems-libbsd/freebsd/contrib/wpa/src/radius/radius.h @ b0f0b2f

55-freebsd-126-freebsd-12
Last change on this file since b0f0b2f was b0f0b2f, checked in by Christian Mauderer <Christian.Mauderer@…>, on 11/08/17 at 13:10:40

wpa: Import all files for KRACK patch.
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File size: 10.8 KB
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1/*
2 * RADIUS message processing
3 * Copyright (c) 2002-2009, 2012, 2014, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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        be16 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_DISCONNECT_REQUEST = 40,
35       RADIUS_CODE_DISCONNECT_ACK = 41,
36       RADIUS_CODE_DISCONNECT_NAK = 42,
37       RADIUS_CODE_COA_REQUEST = 43,
38       RADIUS_CODE_COA_ACK = 44,
39       RADIUS_CODE_COA_NAK = 45,
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_TUNNEL_PASSWORD = 69,
86       RADIUS_ATTR_CONNECT_INFO = 77,
87       RADIUS_ATTR_EAP_MESSAGE = 79,
88       RADIUS_ATTR_MESSAGE_AUTHENTICATOR = 80,
89       RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID = 81,
90       RADIUS_ATTR_ACCT_INTERIM_INTERVAL = 85,
91       RADIUS_ATTR_CHARGEABLE_USER_IDENTITY = 89,
92       RADIUS_ATTR_NAS_IPV6_ADDRESS = 95,
93       RADIUS_ATTR_ERROR_CAUSE = 101,
94       RADIUS_ATTR_EAP_KEY_NAME = 102,
95       RADIUS_ATTR_OPERATOR_NAME = 126,
96       RADIUS_ATTR_LOCATION_INFO = 127,
97       RADIUS_ATTR_LOCATION_DATA = 128,
98       RADIUS_ATTR_BASIC_LOCATION_POLICY_RULES = 129,
99       RADIUS_ATTR_EXTENDED_LOCATION_POLICY_RULES = 130,
100       RADIUS_ATTR_LOCATION_CAPABLE = 131,
101       RADIUS_ATTR_REQUESTED_LOCATION_INFO = 132,
102       RADIUS_ATTR_MOBILITY_DOMAIN_ID = 177,
103       RADIUS_ATTR_WLAN_HESSID = 181,
104       RADIUS_ATTR_WLAN_PAIRWISE_CIPHER = 186,
105       RADIUS_ATTR_WLAN_GROUP_CIPHER = 187,
106       RADIUS_ATTR_WLAN_AKM_SUITE = 188,
107       RADIUS_ATTR_WLAN_GROUP_MGMT_CIPHER = 189,
108};
109
110
111/* Termination-Action */
112#define RADIUS_TERMINATION_ACTION_DEFAULT 0
113#define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1
114
115/* NAS-Port-Type */
116#define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19
117
118/* Acct-Status-Type */
119#define RADIUS_ACCT_STATUS_TYPE_START 1
120#define RADIUS_ACCT_STATUS_TYPE_STOP 2
121#define RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE 3
122#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON 7
123#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF 8
124
125/* Acct-Authentic */
126#define RADIUS_ACCT_AUTHENTIC_RADIUS 1
127#define RADIUS_ACCT_AUTHENTIC_LOCAL 2
128#define RADIUS_ACCT_AUTHENTIC_REMOTE 3
129
130/* Acct-Terminate-Cause */
131#define RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST 1
132#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_CARRIER 2
133#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_SERVICE 3
134#define RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT 4
135#define RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT 5
136#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET 6
137#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT 7
138#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_ERROR 8
139#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_ERROR 9
140#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REQUEST 10
141#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT 11
142#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_UNNEEDED 12
143#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_PREEMPTED 13
144#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_SUSPENDED 14
145#define RADIUS_ACCT_TERMINATE_CAUSE_SERVICE_UNAVAILABLE 15
146#define RADIUS_ACCT_TERMINATE_CAUSE_CALLBACK 16
147#define RADIUS_ACCT_TERMINATE_CAUSE_USER_ERROR 17
148#define RADIUS_ACCT_TERMINATE_CAUSE_HOST_REQUEST 18
149
150#define RADIUS_TUNNEL_TAGS 32
151
152/* Tunnel-Type */
153#define RADIUS_TUNNEL_TYPE_PPTP 1
154#define RADIUS_TUNNEL_TYPE_L2TP 3
155#define RADIUS_TUNNEL_TYPE_IPIP 7
156#define RADIUS_TUNNEL_TYPE_GRE 10
157#define RADIUS_TUNNEL_TYPE_VLAN 13
158
159/* Tunnel-Medium-Type */
160#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4 1
161#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6 2
162#define RADIUS_TUNNEL_MEDIUM_TYPE_802 6
163
164
165struct radius_attr_vendor {
166        u8 vendor_type;
167        u8 vendor_length;
168} STRUCT_PACKED;
169
170#define RADIUS_VENDOR_ID_CISCO 9
171#define RADIUS_CISCO_AV_PAIR 1
172
173/* RFC 2548 - Microsoft Vendor-specific RADIUS Attributes */
174#define RADIUS_VENDOR_ID_MICROSOFT 311
175
176enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
177       RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
178};
179
180
181/* Hotspot 2.0 - WFA Vendor-specific RADIUS Attributes */
182#define RADIUS_VENDOR_ID_WFA 40808
183
184enum {
185        RADIUS_VENDOR_ATTR_WFA_HS20_SUBSCR_REMEDIATION = 1,
186        RADIUS_VENDOR_ATTR_WFA_HS20_AP_VERSION = 2,
187        RADIUS_VENDOR_ATTR_WFA_HS20_STA_VERSION = 3,
188        RADIUS_VENDOR_ATTR_WFA_HS20_DEAUTH_REQ = 4,
189        RADIUS_VENDOR_ATTR_WFA_HS20_SESSION_INFO_URL = 5,
190};
191
192#ifdef _MSC_VER
193#pragma pack(pop)
194#endif /* _MSC_VER */
195
196struct radius_ms_mppe_keys {
197        u8 *send;
198        size_t send_len;
199        u8 *recv;
200        size_t recv_len;
201};
202
203
204struct radius_msg;
205
206/* Default size to be allocated for new RADIUS messages */
207#define RADIUS_DEFAULT_MSG_SIZE 1024
208
209/* Default size to be allocated for attribute array */
210#define RADIUS_DEFAULT_ATTR_COUNT 16
211
212
213/* MAC address ASCII format for IEEE 802.1X use
214 * (draft-congdon-radius-8021x-20.txt) */
215#define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
216/* MAC address ASCII format for non-802.1X use */
217#define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"
218
219struct radius_hdr * radius_msg_get_hdr(struct radius_msg *msg);
220struct wpabuf * radius_msg_get_buf(struct radius_msg *msg);
221struct radius_msg * radius_msg_new(u8 code, u8 identifier);
222void radius_msg_free(struct radius_msg *msg);
223void radius_msg_dump(struct radius_msg *msg);
224int radius_msg_finish(struct radius_msg *msg, const u8 *secret,
225                      size_t secret_len);
226int radius_msg_finish_srv(struct radius_msg *msg, const u8 *secret,
227                          size_t secret_len, const u8 *req_authenticator);
228int radius_msg_finish_das_resp(struct radius_msg *msg, const u8 *secret,
229                               size_t secret_len,
230                               const struct radius_hdr *req_hdr);
231void radius_msg_finish_acct(struct radius_msg *msg, const u8 *secret,
232                            size_t secret_len);
233void radius_msg_finish_acct_resp(struct radius_msg *msg, const u8 *secret,
234                                 size_t secret_len,
235                                 const u8 *req_authenticator);
236int radius_msg_verify_acct_req(struct radius_msg *msg, const u8 *secret,
237                               size_t secret_len);
238int radius_msg_verify_das_req(struct radius_msg *msg, const u8 *secret,
239                               size_t secret_len);
240struct radius_attr_hdr * radius_msg_add_attr(struct radius_msg *msg, u8 type,
241                                             const u8 *data, size_t data_len);
242struct radius_msg * radius_msg_parse(const u8 *data, size_t len);
243int radius_msg_add_eap(struct radius_msg *msg, const u8 *data,
244                       size_t data_len);
245struct wpabuf * radius_msg_get_eap(struct radius_msg *msg);
246int radius_msg_verify(struct radius_msg *msg, const u8 *secret,
247                      size_t secret_len, struct radius_msg *sent_msg,
248                      int auth);
249int radius_msg_verify_msg_auth(struct radius_msg *msg, const u8 *secret,
250                               size_t secret_len, const u8 *req_auth);
251int radius_msg_copy_attr(struct radius_msg *dst, struct radius_msg *src,
252                         u8 type);
253void radius_msg_make_authenticator(struct radius_msg *msg,
254                                   const u8 *data, size_t len);
255struct radius_ms_mppe_keys *
256radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
257                       const u8 *secret, size_t secret_len);
258struct radius_ms_mppe_keys *
259radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
260                          const u8 *secret, size_t secret_len);
261int radius_msg_add_mppe_keys(struct radius_msg *msg,
262                             const u8 *req_authenticator,
263                             const u8 *secret, size_t secret_len,
264                             const u8 *send_key, size_t send_key_len,
265                             const u8 *recv_key, size_t recv_key_len);
266int radius_msg_add_wfa(struct radius_msg *msg, u8 subtype, const u8 *data,
267                       size_t len);
268int radius_user_password_hide(struct radius_msg *msg,
269                              const u8 *data, size_t data_len,
270                              const u8 *secret, size_t secret_len,
271                              u8 *buf, size_t buf_len);
272struct radius_attr_hdr *
273radius_msg_add_attr_user_password(struct radius_msg *msg,
274                                  const u8 *data, size_t data_len,
275                                  const u8 *secret, size_t secret_len);
276int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len);
277int radius_msg_get_vlanid(struct radius_msg *msg);
278char * radius_msg_get_tunnel_password(struct radius_msg *msg, int *keylen,
279                                      const u8 *secret, size_t secret_len,
280                                      struct radius_msg *sent_msg, size_t n);
281
282static inline int radius_msg_add_attr_int32(struct radius_msg *msg, u8 type,
283                                            u32 value)
284{
285        u32 val = htonl(value);
286        return radius_msg_add_attr(msg, type, (u8 *) &val, 4) != NULL;
287}
288
289static inline int radius_msg_get_attr_int32(struct radius_msg *msg, u8 type,
290                                            u32 *value)
291{
292        u32 val;
293        int res;
294        res = radius_msg_get_attr(msg, type, (u8 *) &val, 4);
295        if (res != 4)
296                return -1;
297
298        *value = ntohl(val);
299        return 0;
300}
301int radius_msg_get_attr_ptr(struct radius_msg *msg, u8 type, u8 **buf,
302                            size_t *len, const u8 *start);
303int radius_msg_count_attr(struct radius_msg *msg, u8 type, int min_len);
304
305
306struct radius_attr_data {
307        u8 *data;
308        size_t len;
309};
310
311struct radius_class_data {
312        struct radius_attr_data *attr;
313        size_t count;
314};
315
316void radius_free_class(struct radius_class_data *c);
317int radius_copy_class(struct radius_class_data *dst,
318                      const struct radius_class_data *src);
319
320u8 radius_msg_find_unlisted_attr(struct radius_msg *msg, u8 *attrs);
321
322#endif /* RADIUS_H */
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