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00015 #ifndef RADIUS_H
00016 #define RADIUS_H
00017
00018
00019
00020 #ifdef _MSC_VER
00021 #pragma pack(push, 1)
00022 #endif
00023
00024 struct radius_hdr {
00025 u8 code;
00026 u8 identifier;
00027 u16 length;
00028 u8 authenticator[16];
00029
00030 } STRUCT_PACKED;
00031
00032 enum { RADIUS_CODE_ACCESS_REQUEST = 1,
00033 RADIUS_CODE_ACCESS_ACCEPT = 2,
00034 RADIUS_CODE_ACCESS_REJECT = 3,
00035 RADIUS_CODE_ACCOUNTING_REQUEST = 4,
00036 RADIUS_CODE_ACCOUNTING_RESPONSE = 5,
00037 RADIUS_CODE_ACCESS_CHALLENGE = 11,
00038 RADIUS_CODE_STATUS_SERVER = 12,
00039 RADIUS_CODE_STATUS_CLIENT = 13,
00040 RADIUS_CODE_RESERVED = 255
00041 };
00042
00043 struct radius_attr_hdr {
00044 u8 type;
00045 u8 length;
00046
00047 } STRUCT_PACKED;
00048
00049 #define RADIUS_MAX_ATTR_LEN (255 - sizeof(struct radius_attr_hdr))
00050
00051 enum { RADIUS_ATTR_USER_NAME = 1,
00052 RADIUS_ATTR_USER_PASSWORD = 2,
00053 RADIUS_ATTR_NAS_IP_ADDRESS = 4,
00054 RADIUS_ATTR_NAS_PORT = 5,
00055 RADIUS_ATTR_FRAMED_MTU = 12,
00056 RADIUS_ATTR_REPLY_MESSAGE = 18,
00057 RADIUS_ATTR_STATE = 24,
00058 RADIUS_ATTR_CLASS = 25,
00059 RADIUS_ATTR_VENDOR_SPECIFIC = 26,
00060 RADIUS_ATTR_SESSION_TIMEOUT = 27,
00061 RADIUS_ATTR_IDLE_TIMEOUT = 28,
00062 RADIUS_ATTR_TERMINATION_ACTION = 29,
00063 RADIUS_ATTR_CALLED_STATION_ID = 30,
00064 RADIUS_ATTR_CALLING_STATION_ID = 31,
00065 RADIUS_ATTR_NAS_IDENTIFIER = 32,
00066 RADIUS_ATTR_PROXY_STATE = 33,
00067 RADIUS_ATTR_ACCT_STATUS_TYPE = 40,
00068 RADIUS_ATTR_ACCT_DELAY_TIME = 41,
00069 RADIUS_ATTR_ACCT_INPUT_OCTETS = 42,
00070 RADIUS_ATTR_ACCT_OUTPUT_OCTETS = 43,
00071 RADIUS_ATTR_ACCT_SESSION_ID = 44,
00072 RADIUS_ATTR_ACCT_AUTHENTIC = 45,
00073 RADIUS_ATTR_ACCT_SESSION_TIME = 46,
00074 RADIUS_ATTR_ACCT_INPUT_PACKETS = 47,
00075 RADIUS_ATTR_ACCT_OUTPUT_PACKETS = 48,
00076 RADIUS_ATTR_ACCT_TERMINATE_CAUSE = 49,
00077 RADIUS_ATTR_ACCT_MULTI_SESSION_ID = 50,
00078 RADIUS_ATTR_ACCT_LINK_COUNT = 51,
00079 RADIUS_ATTR_ACCT_INPUT_GIGAWORDS = 52,
00080 RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS = 53,
00081 RADIUS_ATTR_EVENT_TIMESTAMP = 55,
00082 RADIUS_ATTR_NAS_PORT_TYPE = 61,
00083 RADIUS_ATTR_TUNNEL_TYPE = 64,
00084 RADIUS_ATTR_TUNNEL_MEDIUM_TYPE = 65,
00085 RADIUS_ATTR_CONNECT_INFO = 77,
00086 RADIUS_ATTR_EAP_MESSAGE = 79,
00087 RADIUS_ATTR_MESSAGE_AUTHENTICATOR = 80,
00088 RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID = 81,
00089 RADIUS_ATTR_ACCT_INTERIM_INTERVAL = 85,
00090 RADIUS_ATTR_CHARGEABLE_USER_IDENTITY = 89,
00091 RADIUS_ATTR_NAS_IPV6_ADDRESS = 95
00092 };
00093
00094
00095
00096 #define RADIUS_TERMINATION_ACTION_DEFAULT 0
00097 #define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1
00098
00099
00100 #define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19
00101
00102
00103 #define RADIUS_ACCT_STATUS_TYPE_START 1
00104 #define RADIUS_ACCT_STATUS_TYPE_STOP 2
00105 #define RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE 3
00106 #define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON 7
00107 #define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF 8
00108
00109
00110 #define RADIUS_ACCT_AUTHENTIC_RADIUS 1
00111 #define RADIUS_ACCT_AUTHENTIC_LOCAL 2
00112 #define RADIUS_ACCT_AUTHENTIC_REMOTE 3
00113
00114
00115 #define RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST 1
00116 #define RADIUS_ACCT_TERMINATE_CAUSE_LOST_CARRIER 2
00117 #define RADIUS_ACCT_TERMINATE_CAUSE_LOST_SERVICE 3
00118 #define RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT 4
00119 #define RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT 5
00120 #define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET 6
00121 #define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT 7
00122 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_ERROR 8
00123 #define RADIUS_ACCT_TERMINATE_CAUSE_NAS_ERROR 9
00124 #define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REQUEST 10
00125 #define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT 11
00126 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_UNNEEDED 12
00127 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_PREEMPTED 13
00128 #define RADIUS_ACCT_TERMINATE_CAUSE_PORT_SUSPENDED 14
00129 #define RADIUS_ACCT_TERMINATE_CAUSE_SERVICE_UNAVAILABLE 15
00130 #define RADIUS_ACCT_TERMINATE_CAUSE_CALLBACK 16
00131 #define RADIUS_ACCT_TERMINATE_CAUSE_USER_ERROR 17
00132 #define RADIUS_ACCT_TERMINATE_CAUSE_HOST_REQUEST 18
00133
00134 #define RADIUS_TUNNEL_TAGS 32
00135
00136
00137 #define RADIUS_TUNNEL_TYPE_PPTP 1
00138 #define RADIUS_TUNNEL_TYPE_L2TP 3
00139 #define RADIUS_TUNNEL_TYPE_IPIP 7
00140 #define RADIUS_TUNNEL_TYPE_GRE 10
00141 #define RADIUS_TUNNEL_TYPE_VLAN 13
00142
00143
00144 #define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4 1
00145 #define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6 2
00146 #define RADIUS_TUNNEL_MEDIUM_TYPE_802 6
00147
00148
00149 struct radius_attr_vendor {
00150 u8 vendor_type;
00151 u8 vendor_length;
00152 } STRUCT_PACKED;
00153
00154 #define RADIUS_VENDOR_ID_CISCO 9
00155 #define RADIUS_CISCO_AV_PAIR 1
00156
00157
00158 #define RADIUS_VENDOR_ID_MICROSOFT 311
00159
00160 enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
00161 RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
00162 };
00163
00164 #ifdef _MSC_VER
00165 #pragma pack(pop)
00166 #endif
00167
00168 struct radius_ms_mppe_keys {
00169 u8 *send;
00170 size_t send_len;
00171 u8 *recv;
00172 size_t recv_len;
00173 };
00174
00175
00176 struct radius_msg;
00177
00178
00179 #define RADIUS_DEFAULT_MSG_SIZE 1024
00180
00181
00182 #define RADIUS_DEFAULT_ATTR_COUNT 16
00183
00184
00185
00186
00187 #define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
00188
00189 #define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"
00190
00191 struct radius_hdr * radius_msg_get_hdr(struct radius_msg *msg);
00192 struct wpabuf * radius_msg_get_buf(struct radius_msg *msg);
00193 struct radius_msg * radius_msg_new(u8 code, u8 identifier);
00194 void radius_msg_free(struct radius_msg *msg);
00195 void radius_msg_dump(struct radius_msg *msg);
00196 int radius_msg_finish(struct radius_msg *msg, const u8 *secret,
00197 size_t secret_len);
00198 int radius_msg_finish_srv(struct radius_msg *msg, const u8 *secret,
00199 size_t secret_len, const u8 *req_authenticator);
00200 void radius_msg_finish_acct(struct radius_msg *msg, const u8 *secret,
00201 size_t secret_len);
00202 struct radius_attr_hdr * radius_msg_add_attr(struct radius_msg *msg, u8 type,
00203 const u8 *data, size_t data_len);
00204 struct radius_msg * radius_msg_parse(const u8 *data, size_t len);
00205 int radius_msg_add_eap(struct radius_msg *msg, const u8 *data,
00206 size_t data_len);
00207 u8 *radius_msg_get_eap(struct radius_msg *msg, size_t *len);
00208 int radius_msg_verify(struct radius_msg *msg, const u8 *secret,
00209 size_t secret_len, struct radius_msg *sent_msg,
00210 int auth);
00211 int radius_msg_verify_msg_auth(struct radius_msg *msg, const u8 *secret,
00212 size_t secret_len, const u8 *req_auth);
00213 int radius_msg_copy_attr(struct radius_msg *dst, struct radius_msg *src,
00214 u8 type);
00215 void radius_msg_make_authenticator(struct radius_msg *msg,
00216 const u8 *data, size_t len);
00217 struct radius_ms_mppe_keys *
00218 radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
00219 const u8 *secret, size_t secret_len);
00220 struct radius_ms_mppe_keys *
00221 radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
00222 const u8 *secret, size_t secret_len);
00223 int radius_msg_add_mppe_keys(struct radius_msg *msg,
00224 const u8 *req_authenticator,
00225 const u8 *secret, size_t secret_len,
00226 const u8 *send_key, size_t send_key_len,
00227 const u8 *recv_key, size_t recv_key_len);
00228 struct radius_attr_hdr *
00229 radius_msg_add_attr_user_password(struct radius_msg *msg,
00230 const u8 *data, size_t data_len,
00231 const u8 *secret, size_t secret_len);
00232 int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len);
00233 int radius_msg_get_vlanid(struct radius_msg *msg);
00234
00235 static inline int radius_msg_add_attr_int32(struct radius_msg *msg, u8 type,
00236 u32 value)
00237 {
00238 u32 val = htonl(value);
00239 return radius_msg_add_attr(msg, type, (u8 *) &val, 4) != NULL;
00240 }
00241
00242 static inline int radius_msg_get_attr_int32(struct radius_msg *msg, u8 type,
00243 u32 *value)
00244 {
00245 u32 val;
00246 int res;
00247 res = radius_msg_get_attr(msg, type, (u8 *) &val, 4);
00248 if (res != 4)
00249 return -1;
00250
00251 *value = ntohl(val);
00252 return 0;
00253 }
00254 int radius_msg_get_attr_ptr(struct radius_msg *msg, u8 type, u8 **buf,
00255 size_t *len, const u8 *start);
00256 int radius_msg_count_attr(struct radius_msg *msg, u8 type, int min_len);
00257
00258
00259 struct radius_attr_data {
00260 u8 *data;
00261 size_t len;
00262 };
00263
00264 struct radius_class_data {
00265 struct radius_attr_data *attr;
00266 size_t count;
00267 };
00268
00269 void radius_free_class(struct radius_class_data *c);
00270 int radius_copy_class(struct radius_class_data *dst,
00271 const struct radius_class_data *src);
00272
00273 #endif