wpa_supplicant / hostapd 2.0
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radius.h File Reference

RADIUS message processing. More...

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Data Structures

struct  radius_hdr
struct  radius_attr_hdr
struct  radius_attr_vendor
struct  radius_ms_mppe_keys
struct  radius_attr_data
struct  radius_class_data

Defines

#define RADIUS_MAX_ATTR_LEN   (255 - sizeof(struct radius_attr_hdr))
#define RADIUS_TERMINATION_ACTION_DEFAULT   0
#define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST   1
#define RADIUS_NAS_PORT_TYPE_IEEE_802_11   19
#define RADIUS_ACCT_STATUS_TYPE_START   1
#define RADIUS_ACCT_STATUS_TYPE_STOP   2
#define RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE   3
#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON   7
#define RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF   8
#define RADIUS_ACCT_AUTHENTIC_RADIUS   1
#define RADIUS_ACCT_AUTHENTIC_LOCAL   2
#define RADIUS_ACCT_AUTHENTIC_REMOTE   3
#define RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST   1
#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_CARRIER   2
#define RADIUS_ACCT_TERMINATE_CAUSE_LOST_SERVICE   3
#define RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT   4
#define RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT   5
#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET   6
#define RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT   7
#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_ERROR   8
#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_ERROR   9
#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REQUEST   10
#define RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT   11
#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_UNNEEDED   12
#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_PREEMPTED   13
#define RADIUS_ACCT_TERMINATE_CAUSE_PORT_SUSPENDED   14
#define RADIUS_ACCT_TERMINATE_CAUSE_SERVICE_UNAVAILABLE   15
#define RADIUS_ACCT_TERMINATE_CAUSE_CALLBACK   16
#define RADIUS_ACCT_TERMINATE_CAUSE_USER_ERROR   17
#define RADIUS_ACCT_TERMINATE_CAUSE_HOST_REQUEST   18
#define RADIUS_TUNNEL_TAGS   32
#define RADIUS_TUNNEL_TYPE_PPTP   1
#define RADIUS_TUNNEL_TYPE_L2TP   3
#define RADIUS_TUNNEL_TYPE_IPIP   7
#define RADIUS_TUNNEL_TYPE_GRE   10
#define RADIUS_TUNNEL_TYPE_VLAN   13
#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4   1
#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6   2
#define RADIUS_TUNNEL_MEDIUM_TYPE_802   6
#define RADIUS_VENDOR_ID_CISCO   9
#define RADIUS_CISCO_AV_PAIR   1
#define RADIUS_VENDOR_ID_MICROSOFT   311
#define RADIUS_DEFAULT_MSG_SIZE   1024
#define RADIUS_DEFAULT_ATTR_COUNT   16
#define RADIUS_802_1X_ADDR_FORMAT   "%02X-%02X-%02X-%02X-%02X-%02X"
#define RADIUS_ADDR_FORMAT   "%02x%02x%02x%02x%02x%02x"

Enumerations

enum  {
  RADIUS_CODE_ACCESS_REQUEST = 1, RADIUS_CODE_ACCESS_ACCEPT = 2, RADIUS_CODE_ACCESS_REJECT = 3, RADIUS_CODE_ACCOUNTING_REQUEST = 4,
  RADIUS_CODE_ACCOUNTING_RESPONSE = 5, RADIUS_CODE_ACCESS_CHALLENGE = 11, RADIUS_CODE_STATUS_SERVER = 12, RADIUS_CODE_STATUS_CLIENT = 13,
  RADIUS_CODE_RESERVED = 255
}
enum  {
  RADIUS_ATTR_USER_NAME = 1, RADIUS_ATTR_USER_PASSWORD = 2, RADIUS_ATTR_NAS_IP_ADDRESS = 4, RADIUS_ATTR_NAS_PORT = 5,
  RADIUS_ATTR_FRAMED_MTU = 12, RADIUS_ATTR_REPLY_MESSAGE = 18, RADIUS_ATTR_STATE = 24, RADIUS_ATTR_CLASS = 25,
  RADIUS_ATTR_VENDOR_SPECIFIC = 26, RADIUS_ATTR_SESSION_TIMEOUT = 27, RADIUS_ATTR_IDLE_TIMEOUT = 28, RADIUS_ATTR_TERMINATION_ACTION = 29,
  RADIUS_ATTR_CALLED_STATION_ID = 30, RADIUS_ATTR_CALLING_STATION_ID = 31, RADIUS_ATTR_NAS_IDENTIFIER = 32, RADIUS_ATTR_PROXY_STATE = 33,
  RADIUS_ATTR_ACCT_STATUS_TYPE = 40, RADIUS_ATTR_ACCT_DELAY_TIME = 41, RADIUS_ATTR_ACCT_INPUT_OCTETS = 42, RADIUS_ATTR_ACCT_OUTPUT_OCTETS = 43,
  RADIUS_ATTR_ACCT_SESSION_ID = 44, RADIUS_ATTR_ACCT_AUTHENTIC = 45, RADIUS_ATTR_ACCT_SESSION_TIME = 46, RADIUS_ATTR_ACCT_INPUT_PACKETS = 47,
  RADIUS_ATTR_ACCT_OUTPUT_PACKETS = 48, RADIUS_ATTR_ACCT_TERMINATE_CAUSE = 49, RADIUS_ATTR_ACCT_MULTI_SESSION_ID = 50, RADIUS_ATTR_ACCT_LINK_COUNT = 51,
  RADIUS_ATTR_ACCT_INPUT_GIGAWORDS = 52, RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS = 53, RADIUS_ATTR_EVENT_TIMESTAMP = 55, RADIUS_ATTR_NAS_PORT_TYPE = 61,
  RADIUS_ATTR_TUNNEL_TYPE = 64, RADIUS_ATTR_TUNNEL_MEDIUM_TYPE = 65, RADIUS_ATTR_TUNNEL_PASSWORD = 69, RADIUS_ATTR_CONNECT_INFO = 77,
  RADIUS_ATTR_EAP_MESSAGE = 79, RADIUS_ATTR_MESSAGE_AUTHENTICATOR = 80, RADIUS_ATTR_TUNNEL_PRIVATE_GROUP_ID = 81, RADIUS_ATTR_ACCT_INTERIM_INTERVAL = 85,
  RADIUS_ATTR_CHARGEABLE_USER_IDENTITY = 89, RADIUS_ATTR_NAS_IPV6_ADDRESS = 95
}
enum  { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16, RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17 }

Functions

struct radius_hdr * radius_msg_get_hdr (struct radius_msg *msg)
struct wpabuf * radius_msg_get_buf (struct radius_msg *msg)
struct radius_msg * radius_msg_new (u8 code, u8 identifier)
 Create a new RADIUS message.
void radius_msg_free (struct radius_msg *msg)
 Free a RADIUS message.
void radius_msg_dump (struct radius_msg *msg)
int radius_msg_finish (struct radius_msg *msg, const u8 *secret, size_t secret_len)
int radius_msg_finish_srv (struct radius_msg *msg, const u8 *secret, size_t secret_len, const u8 *req_authenticator)
void radius_msg_finish_acct (struct radius_msg *msg, const u8 *secret, size_t secret_len)
struct radius_attr_hdr * radius_msg_add_attr (struct radius_msg *msg, u8 type, const u8 *data, size_t data_len)
struct radius_msg * radius_msg_parse (const u8 *data, size_t len)
 Parse a RADIUS message.
int radius_msg_add_eap (struct radius_msg *msg, const u8 *data, size_t data_len)
u8 * radius_msg_get_eap (struct radius_msg *msg, size_t *len)
int radius_msg_verify (struct radius_msg *msg, const u8 *secret, size_t secret_len, struct radius_msg *sent_msg, int auth)
int radius_msg_verify_msg_auth (struct radius_msg *msg, const u8 *secret, size_t secret_len, const u8 *req_auth)
int radius_msg_copy_attr (struct radius_msg *dst, struct radius_msg *src, u8 type)
void radius_msg_make_authenticator (struct radius_msg *msg, const u8 *data, size_t len)
struct radius_ms_mppe_keys * radius_msg_get_ms_keys (struct radius_msg *msg, struct radius_msg *sent_msg, const u8 *secret, size_t secret_len)
struct radius_ms_mppe_keys * radius_msg_get_cisco_keys (struct radius_msg *msg, struct radius_msg *sent_msg, const u8 *secret, size_t secret_len)
int radius_msg_add_mppe_keys (struct radius_msg *msg, const u8 *req_authenticator, const u8 *secret, size_t secret_len, const u8 *send_key, size_t send_key_len, const u8 *recv_key, size_t recv_key_len)
struct radius_attr_hdr * radius_msg_add_attr_user_password (struct radius_msg *msg, const u8 *data, size_t data_len, const u8 *secret, size_t secret_len)
int radius_msg_get_attr (struct radius_msg *msg, u8 type, u8 *buf, size_t len)
int radius_msg_get_vlanid (struct radius_msg *msg)
 Parse RADIUS attributes for VLAN tunnel information.
char * radius_msg_get_tunnel_password (struct radius_msg *msg, int *keylen, const u8 *secret, size_t secret_len, struct radius_msg *sent_msg)
 Parse RADIUS attribute Tunnel-Password.
int radius_msg_get_attr_ptr (struct radius_msg *msg, u8 type, u8 **buf, size_t *len, const u8 *start)
int radius_msg_count_attr (struct radius_msg *msg, u8 type, int min_len)
void radius_free_class (struct radius_class_data *c)
int radius_copy_class (struct radius_class_data *dst, const struct radius_class_data *src)

Variables

struct radius_hdr STRUCT_PACKED

Detailed Description

RADIUS message processing.

Copyright
Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>

This software may be distributed under the terms of the BSD license. See README for more details.

Function Documentation

void radius_msg_free ( struct radius_msg *  msg)

Free a RADIUS message.

Parameters:
msgRADIUS message from radius_msg_new() or radius_msg_parse()
char* radius_msg_get_tunnel_password ( struct radius_msg *  msg,
int *  keylen,
const u8 *  secret,
size_t  secret_len,
struct radius_msg *  sent_msg 
)

Parse RADIUS attribute Tunnel-Password.

Parameters:
msgReceived RADIUS message
keylenLength of returned password
secretRADIUS shared secret
secret_lenLength of secret
sent_msgSent RADIUS message
Returns:
pointer to password (free with os_free) or NULL
int radius_msg_get_vlanid ( struct radius_msg *  msg)

Parse RADIUS attributes for VLAN tunnel information.

Parameters:
msgRADIUS message
Returns:
VLAN ID for the first tunnel configuration of -1 if none is found
struct radius_msg* radius_msg_new ( u8  code,
u8  identifier 
) [read]

Create a new RADIUS message.

Parameters:
codeCode for RADIUS header
identifierIdentifier for RADIUS header
Returns:
Context for RADIUS message or NULL on failure

The caller is responsible for freeing the returned data with radius_msg_free().

struct radius_msg* radius_msg_parse ( const u8 *  data,
size_t  len 
) [read]

Parse a RADIUS message.

Parameters:
dataRADIUS message to be parsed
lenLength of data buffer in octets
Returns:
Parsed RADIUS message or NULL on failure

This parses a RADIUS message and makes a copy of its data. The caller is responsible for freeing the returned data with radius_msg_free().

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