4 /* RFC 2865 - RADIUS */
9 u16 length
; /* including this header */
11 /* followed by length-20 octets of attributes */
12 } __attribute__ ((packed
));
14 enum { RADIUS_CODE_ACCESS_REQUEST
= 1,
15 RADIUS_CODE_ACCESS_ACCEPT
= 2,
16 RADIUS_CODE_ACCESS_REJECT
= 3,
17 RADIUS_CODE_ACCOUNTING_REQUEST
= 4,
18 RADIUS_CODE_ACCOUNTING_RESPONSE
= 5,
19 RADIUS_CODE_ACCESS_CHALLENGE
= 11,
20 RADIUS_CODE_STATUS_SERVER
= 12,
21 RADIUS_CODE_STATUS_CLIENT
= 13,
22 RADIUS_CODE_RESERVED
= 255
25 struct radius_attr_hdr
{
27 u8 length
; /* including this header */
28 /* followed by length-2 octets of attribute value */
29 } __attribute__ ((packed
));
31 #define RADIUS_MAX_ATTR_LEN (255 - sizeof(struct radius_attr_hdr))
33 enum { RADIUS_ATTR_USER_NAME
= 1,
34 RADIUS_ATTR_USER_PASSWORD
= 2,
35 RADIUS_ATTR_NAS_IP_ADDRESS
= 4,
36 RADIUS_ATTR_NAS_PORT
= 5,
37 RADIUS_ATTR_FRAMED_MTU
= 12,
38 RADIUS_ATTR_STATE
= 24,
39 RADIUS_ATTR_CLASS
= 25,
40 RADIUS_ATTR_VENDOR_SPECIFIC
= 26,
41 RADIUS_ATTR_SESSION_TIMEOUT
= 27,
42 RADIUS_ATTR_IDLE_TIMEOUT
= 28,
43 RADIUS_ATTR_TERMINATION_ACTION
= 29,
44 RADIUS_ATTR_CALLED_STATION_ID
= 30,
45 RADIUS_ATTR_CALLING_STATION_ID
= 31,
46 RADIUS_ATTR_NAS_IDENTIFIER
= 32,
47 RADIUS_ATTR_ACCT_STATUS_TYPE
= 40,
48 RADIUS_ATTR_ACCT_DELAY_TIME
= 41,
49 RADIUS_ATTR_ACCT_INPUT_OCTETS
= 42,
50 RADIUS_ATTR_ACCT_OUTPUT_OCTETS
= 43,
51 RADIUS_ATTR_ACCT_SESSION_ID
= 44,
52 RADIUS_ATTR_ACCT_AUTHENTIC
= 45,
53 RADIUS_ATTR_ACCT_SESSION_TIME
= 46,
54 RADIUS_ATTR_ACCT_INPUT_PACKETS
= 47,
55 RADIUS_ATTR_ACCT_OUTPUT_PACKETS
= 48,
56 RADIUS_ATTR_ACCT_TERMINATE_CAUSE
= 49,
57 RADIUS_ATTR_ACCT_MULTI_SESSION_ID
= 50,
58 RADIUS_ATTR_ACCT_LINK_COUNT
= 51,
59 RADIUS_ATTR_ACCT_INPUT_GIGAWORDS
= 52,
60 RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS
= 53,
61 RADIUS_ATTR_EVENT_TIMESTAMP
= 55,
62 RADIUS_ATTR_NAS_PORT_TYPE
= 61,
63 RADIUS_ATTR_CONNECT_INFO
= 77,
64 RADIUS_ATTR_EAP_MESSAGE
= 79,
65 RADIUS_ATTR_MESSAGE_AUTHENTICATOR
= 80,
66 RADIUS_ATTR_ACCT_INTERIM_INTERVAL
= 85,
67 RADIUS_ATTR_NAS_IPV6_ADDRESS
= 95
71 /* Termination-Action */
72 #define RADIUS_TERMINATION_ACTION_DEFAULT 0
73 #define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1
76 #define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19
78 /* Acct-Status-Type */
79 #define RADIUS_ACCT_STATUS_TYPE_START 1
80 #define RADIUS_ACCT_STATUS_TYPE_STOP 2
81 #define RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE 3
82 #define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON 7
83 #define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF 8
86 #define RADIUS_ACCT_AUTHENTIC_RADIUS 1
87 #define RADIUS_ACCT_AUTHENTIC_LOCAL 2
88 #define RADIUS_ACCT_AUTHENTIC_REMOTE 3
90 /* Acct-Terminate-Cause */
91 #define RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST 1
92 #define RADIUS_ACCT_TERMINATE_CAUSE_LOST_CARRIER 2
93 #define RADIUS_ACCT_TERMINATE_CAUSE_LOST_SERVICE 3
94 #define RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT 4
95 #define RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT 5
96 #define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET 6
97 #define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT 7
98 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_ERROR 8
99 #define RADIUS_ACCT_TERMINATE_CAUSE_NAS_ERROR 9
100 #define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REQUEST 10
101 #define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT 11
102 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_UNNEEDED 12
103 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_PREEMPTED 13
104 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_SUSPENDED 14
105 #define RADIUS_ACCT_TERMINATE_CAUSE_SERVICE_UNAVAILABLE 15
106 #define RADIUS_ACCT_TERMINATE_CAUSE_CALLBACK 16
107 #define RADIUS_ACCT_TERMINATE_CAUSE_USER_ERROR 17
108 #define RADIUS_ACCT_TERMINATE_CAUSE_HOST_REQUEST 18
111 struct radius_attr_vendor
{
114 } __attribute__ ((packed
));
116 #define RADIUS_VENDOR_ID_CISCO 9
117 #define RADIUS_CISCO_AV_PAIR 1
119 /* RFC 2548 - Microsoft Vendor-specific RADIUS Attributes */
120 #define RADIUS_VENDOR_ID_MICROSOFT 311
122 enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY
= 16,
123 RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY
= 17
126 struct radius_ms_mppe_keys
{
134 /* RADIUS message structure for new and parsed messages */
137 size_t buf_size
; /* total size allocated for buf */
138 size_t buf_used
; /* bytes used in buf */
140 struct radius_hdr
*hdr
;
142 struct radius_attr_hdr
**attrs
; /* array of pointers to attributes */
143 size_t attr_size
; /* total size of the attribute pointer array */
144 size_t attr_used
; /* total number of attributes in the array */
148 /* Default size to be allocated for new RADIUS messages */
149 #define RADIUS_DEFAULT_MSG_SIZE 1024
151 /* Default size to be allocated for attribute array */
152 #define RADIUS_DEFAULT_ATTR_COUNT 16
155 /* MAC address ASCII format for IEEE 802.1X use
156 * (draft-congdon-radius-8021x-20.txt) */
157 #define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
158 /* MAC address ASCII format for non-802.1X use */
159 #define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"
161 struct radius_msg
*radius_msg_new(u8 code
, u8 identifier
);
162 int radius_msg_initialize(struct radius_msg
*msg
, size_t init_len
);
163 void radius_msg_set_hdr(struct radius_msg
*msg
, u8 code
, u8 identifier
);
164 void radius_msg_free(struct radius_msg
*msg
);
165 void radius_msg_dump(struct radius_msg
*msg
);
166 int radius_msg_finish(struct radius_msg
*msg
, u8
*secret
, size_t secret_len
);
167 int radius_msg_finish_srv(struct radius_msg
*msg
, const u8
*secret
,
168 size_t secret_len
, const u8
*req_authenticator
);
169 void radius_msg_finish_acct(struct radius_msg
*msg
, u8
*secret
,
171 struct radius_attr_hdr
*radius_msg_add_attr(struct radius_msg
*msg
, u8 type
,
172 const u8
*data
, size_t data_len
);
173 struct radius_msg
*radius_msg_parse(const u8
*data
, size_t len
);
174 int radius_msg_add_eap(struct radius_msg
*msg
, const u8
*data
,
176 u8
*radius_msg_get_eap(struct radius_msg
*msg
, size_t *len
);
177 int radius_msg_verify(struct radius_msg
*msg
, const u8
*secret
,
178 size_t secret_len
, struct radius_msg
*sent_msg
,
180 int radius_msg_verify_msg_auth(struct radius_msg
*msg
, const u8
*secret
,
181 size_t secret_len
, const u8
*req_auth
);
182 int radius_msg_copy_attr(struct radius_msg
*dst
, struct radius_msg
*src
,
184 void radius_msg_make_authenticator(struct radius_msg
*msg
,
185 u8
*data
, size_t len
);
186 struct radius_ms_mppe_keys
*
187 radius_msg_get_ms_keys(struct radius_msg
*msg
, struct radius_msg
*sent_msg
,
188 u8
*secret
, size_t secret_len
);
189 struct radius_ms_mppe_keys
*
190 radius_msg_get_cisco_keys(struct radius_msg
*msg
, struct radius_msg
*sent_msg
,
191 u8
*secret
, size_t secret_len
);
192 int radius_msg_add_mppe_keys(struct radius_msg
*msg
,
193 const u8
*req_authenticator
,
194 const u8
*secret
, size_t secret_len
,
195 const u8
*send_key
, size_t send_key_len
,
196 const u8
*recv_key
, size_t recv_key_len
);
197 struct radius_attr_hdr
*
198 radius_msg_add_attr_user_password(struct radius_msg
*msg
,
199 u8
*data
, size_t data_len
,
200 u8
*secret
, size_t secret_len
);
201 int radius_msg_get_attr(struct radius_msg
*msg
, u8 type
, u8
*buf
, size_t len
);
203 static inline int radius_msg_add_attr_int32(struct radius_msg
*msg
, u8 type
,
206 u32 val
= htonl(value
);
207 return radius_msg_add_attr(msg
, type
, (u8
*) &val
, 4) != NULL
;
210 static inline int radius_msg_get_attr_int32(struct radius_msg
*msg
, u8 type
,
215 res
= radius_msg_get_attr(msg
, type
, (u8
*) &val
, 4);
222 int radius_msg_get_attr_ptr(struct radius_msg
*msg
, u8 type
, u8
**buf
,
223 size_t *len
, const u8
*start
);
224 int radius_msg_count_attr(struct radius_msg
*msg
, u8 type
, int min_len
);
226 #endif /* RADIUS_H */