hostap/src/radius/radius.h - nest-learning-thermostat/5.0.2/hostap - Git at Google

 /*
  * RADIUS message processing
  * Copyright (c) 2002-2009, 2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
  */

 #ifndef RADIUS_H
 #define RADIUS_H

 /* RFC 2865 - RADIUS */

 #ifdef _MSC_VER
 #pragma pack(push, 1)
 #endif /* _MSC_VER */

 struct radius_hdr {
 	u8 code;
 	u8 identifier;
 	be16 length; /* including this header */
 	u8 authenticator[16];
 	/* followed by length-20 octets of attributes */
 } STRUCT_PACKED;

 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_DISCONNECT_REQUEST = 40,
        RADIUS_CODE_DISCONNECT_ACK = 41,
        RADIUS_CODE_DISCONNECT_NAK = 42,
        RADIUS_CODE_COA_REQUEST = 43,
        RADIUS_CODE_COA_ACK = 44,
        RADIUS_CODE_COA_NAK = 45,
        RADIUS_CODE_RESERVED = 255
 };

 struct radius_attr_hdr {
 	u8 type;
 	u8 length; /* including this header */
 	/* followed by length-2 octets of attribute value */
 } STRUCT_PACKED;

 #define RADIUS_MAX_ATTR_LEN (255 - sizeof(struct radius_attr_hdr))

 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,
        RADIUS_ATTR_ERROR_CAUSE = 101
 };


 /* Termination-Action */
 #define RADIUS_TERMINATION_ACTION_DEFAULT 0
 #define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1

 /* NAS-Port-Type */
 #define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19

 /* Acct-Status-Type */
 #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

 /* Acct-Authentic */
 #define RADIUS_ACCT_AUTHENTIC_RADIUS 1
 #define RADIUS_ACCT_AUTHENTIC_LOCAL 2
 #define RADIUS_ACCT_AUTHENTIC_REMOTE 3

 /* Acct-Terminate-Cause */
 #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

 /* Tunnel-Type */
 #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

 /* Tunnel-Medium-Type */
 #define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4 1
 #define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6 2
 #define RADIUS_TUNNEL_MEDIUM_TYPE_802 6


 struct radius_attr_vendor {
 	u8 vendor_type;
 	u8 vendor_length;
 } STRUCT_PACKED;

 #define RADIUS_VENDOR_ID_CISCO 9
 #define RADIUS_CISCO_AV_PAIR 1

 /* RFC 2548 - Microsoft Vendor-specific RADIUS Attributes */
 #define RADIUS_VENDOR_ID_MICROSOFT 311

 enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
        RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
 };

 #ifdef _MSC_VER
 #pragma pack(pop)
 #endif /* _MSC_VER */

 struct radius_ms_mppe_keys {
 	u8 *send;
 	size_t send_len;
 	u8 *recv;
 	size_t recv_len;
 };


 struct radius_msg;

 /* Default size to be allocated for new RADIUS messages */
 #define RADIUS_DEFAULT_MSG_SIZE 1024

 /* Default size to be allocated for attribute array */
 #define RADIUS_DEFAULT_ATTR_COUNT 16


 /* MAC address ASCII format for IEEE 802.1X use
  * (draft-congdon-radius-8021x-20.txt) */
 #define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
 /* MAC address ASCII format for non-802.1X use */
 #define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"

 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);
 void radius_msg_free(struct radius_msg *msg);
 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);
 int radius_msg_finish_das_resp(struct radius_msg *msg, const u8 *secret,
 			       size_t secret_len,
 			       const struct radius_hdr *req_hdr);
 void radius_msg_finish_acct(struct radius_msg *msg, const u8 *secret,
 			    size_t secret_len);
 int radius_msg_verify_acct_req(struct radius_msg *msg, const u8 *secret,
 			       size_t secret_len);
 int radius_msg_verify_das_req(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);
 int radius_msg_add_eap(struct radius_msg *msg, const u8 *data,
 		       size_t data_len);
 struct wpabuf * radius_msg_get_eap(struct radius_msg *msg);
 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);
 char * radius_msg_get_tunnel_password(struct radius_msg *msg, int *keylen,
 				      const u8 *secret, size_t secret_len,
 				      struct radius_msg *sent_msg, size_t n);

 static inline int radius_msg_add_attr_int32(struct radius_msg *msg, u8 type,
 					    u32 value)
 {
 	u32 val = htonl(value);
 	return radius_msg_add_attr(msg, type, (u8 *) &val, 4) != NULL;
 }

 static inline int radius_msg_get_attr_int32(struct radius_msg *msg, u8 type,
 					    u32 *value)
 {
 	u32 val;
 	int res;
 	res = radius_msg_get_attr(msg, type, (u8 *) &val, 4);
 	if (res != 4)
 		return -1;

 	*value = ntohl(val);
 	return 0;
 }
 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);


 struct radius_attr_data {
 	u8 *data;
 	size_t len;
 };

 struct radius_class_data {
 	struct radius_attr_data *attr;
 	size_t count;
 };

 void radius_free_class(struct radius_class_data *c);
 int radius_copy_class(struct radius_class_data *dst,
 		      const struct radius_class_data *src);

 u8 radius_msg_find_unlisted_attr(struct radius_msg *msg, u8 *attrs);

 #endif /* RADIUS_H */
	/*
	* RADIUS message processing
	* Copyright (c) 2002-2009, 2012, Jouni Malinen <j@w1.fi>
	*
	* This software may be distributed under the terms of the BSD license.
	* See README for more details.
	*/

	#ifndef RADIUS_H
	#define RADIUS_H

	/* RFC 2865 - RADIUS */

	#ifdef _MSC_VER
	#pragma pack(push, 1)
	#endif /* _MSC_VER */

	struct radius_hdr {
	u8 code;
	u8 identifier;
	be16 length; /* including this header */
	u8 authenticator[16];
	/* followed by length-20 octets of attributes */
	} STRUCT_PACKED;

	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_DISCONNECT_REQUEST = 40,
	RADIUS_CODE_DISCONNECT_ACK = 41,
	RADIUS_CODE_DISCONNECT_NAK = 42,
	RADIUS_CODE_COA_REQUEST = 43,
	RADIUS_CODE_COA_ACK = 44,
	RADIUS_CODE_COA_NAK = 45,
	RADIUS_CODE_RESERVED = 255
	};

	struct radius_attr_hdr {
	u8 type;
	u8 length; /* including this header */
	/* followed by length-2 octets of attribute value */
	} STRUCT_PACKED;

	#define RADIUS_MAX_ATTR_LEN (255 - sizeof(struct radius_attr_hdr))

	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,
	RADIUS_ATTR_ERROR_CAUSE = 101
	};


	/* Termination-Action */
	#define RADIUS_TERMINATION_ACTION_DEFAULT 0
	#define RADIUS_TERMINATION_ACTION_RADIUS_REQUEST 1

	/* NAS-Port-Type */
	#define RADIUS_NAS_PORT_TYPE_IEEE_802_11 19

	/* Acct-Status-Type */
	#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

	/* Acct-Authentic */
	#define RADIUS_ACCT_AUTHENTIC_RADIUS 1
	#define RADIUS_ACCT_AUTHENTIC_LOCAL 2
	#define RADIUS_ACCT_AUTHENTIC_REMOTE 3

	/* Acct-Terminate-Cause */
	#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

	/* Tunnel-Type */
	#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

	/* Tunnel-Medium-Type */
	#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV4 1
	#define RADIUS_TUNNEL_MEDIUM_TYPE_IPV6 2
	#define RADIUS_TUNNEL_MEDIUM_TYPE_802 6


	struct radius_attr_vendor {
	u8 vendor_type;
	u8 vendor_length;
	} STRUCT_PACKED;

	#define RADIUS_VENDOR_ID_CISCO 9
	#define RADIUS_CISCO_AV_PAIR 1

	/* RFC 2548 - Microsoft Vendor-specific RADIUS Attributes */
	#define RADIUS_VENDOR_ID_MICROSOFT 311

	enum { RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY = 16,
	RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY = 17
	};

	#ifdef _MSC_VER
	#pragma pack(pop)
	#endif /* _MSC_VER */

	struct radius_ms_mppe_keys {
	u8 *send;
	size_t send_len;
	u8 *recv;
	size_t recv_len;
	};


	struct radius_msg;

	/* Default size to be allocated for new RADIUS messages */
	#define RADIUS_DEFAULT_MSG_SIZE 1024

	/* Default size to be allocated for attribute array */
	#define RADIUS_DEFAULT_ATTR_COUNT 16


	/* MAC address ASCII format for IEEE 802.1X use
	* (draft-congdon-radius-8021x-20.txt) */
	#define RADIUS_802_1X_ADDR_FORMAT "%02X-%02X-%02X-%02X-%02X-%02X"
	/* MAC address ASCII format for non-802.1X use */
	#define RADIUS_ADDR_FORMAT "%02x%02x%02x%02x%02x%02x"

	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);
	void radius_msg_free(struct radius_msg *msg);
	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);
	int radius_msg_finish_das_resp(struct radius_msg msg, const u8 secret,
	size_t secret_len,
	const struct radius_hdr *req_hdr);
	void radius_msg_finish_acct(struct radius_msg msg, const u8 secret,
	size_t secret_len);
	int radius_msg_verify_acct_req(struct radius_msg msg, const u8 secret,
	size_t secret_len);
	int radius_msg_verify_das_req(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);
	int radius_msg_add_eap(struct radius_msg msg, const u8 data,
	size_t data_len);
	struct wpabuf * radius_msg_get_eap(struct radius_msg *msg);
	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);
	char * radius_msg_get_tunnel_password(struct radius_msg msg, int keylen,
	const u8 *secret, size_t secret_len,
	struct radius_msg *sent_msg, size_t n);

	static inline int radius_msg_add_attr_int32(struct radius_msg *msg, u8 type,
	u32 value)
	{
	u32 val = htonl(value);
	return radius_msg_add_attr(msg, type, (u8 *) &val, 4) != NULL;
	}

	static inline int radius_msg_get_attr_int32(struct radius_msg *msg, u8 type,
	u32 *value)
	{
	u32 val;
	int res;
	res = radius_msg_get_attr(msg, type, (u8 *) &val, 4);
	if (res != 4)
	return -1;

	*value = ntohl(val);
	return 0;
	}
	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);


	struct radius_attr_data {
	u8 *data;
	size_t len;
	};

	struct radius_class_data {
	struct radius_attr_data *attr;
	size_t count;
	};

	void radius_free_class(struct radius_class_data *c);
	int radius_copy_class(struct radius_class_data *dst,
	const struct radius_class_data *src);

	u8 radius_msg_find_unlisted_attr(struct radius_msg msg, u8 attrs);

	#endif /* RADIUS_H */