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/*
* $Id: freeradius-client.h,v 1.13 2008/02/11 06:54:23 sobomax Exp $
*
* Copyright (C) 1995,1996,1997,1998 Lars Fenneberg
*
* Copyright 1992 Livingston Enterprises, Inc.
*
* Copyright 1992,1993, 1994,1995 The Regents of the University of Michigan
* and Merit Network, Inc. All Rights Reserved
*
* See the file COPYRIGHT for the respective terms and conditions.
* If the file is missing contact me at lf@elemental.net
* and I'll send you a copy.
*
*/
#ifndef FREERADIUS_CLIENT_H
#define FREERADIUS_CLIENT_H
#ifdef CP_DEBUG
#define DEBUG(args...) rc_log(## args)
#else
#define DEBUG(args...) ;
#endif
#include <sys/types.h>
/*
* Include for C99 uintX_t defines is stdint.h on most systems. Solaris uses
* inttypes.h instead. Comment out the stdint include if you get an error,
* and uncomment the inttypes.h include.
*/
#include <stdint.h>
/* #include <inttypes.h> */
#include <stdio.h>
#include <time.h>
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif
#define AUTH_VECTOR_LEN 16
#define AUTH_PASS_LEN (3 * 16) /* multiple of 16 */
#define AUTH_ID_LEN 64
#define AUTH_STRING_LEN 253 /* maximum of 253 */
#define BUFFER_LEN 8192
#define NAME_LENGTH 32
#define GETSTR_LENGTH 128 /* must be bigger than AUTH_PASS_LEN */
#define MAX_SECRET_LENGTH (3 * 16) /* MUST be multiple of 16 */
#define VENDOR(x) (((x) >> 16) & 0xffff)
#define ATTRID(x) ((x) & 0xffff)
/* codes for radius_buildreq, radius_getport, etc. */
#define AUTH 0
#define ACCT 1
/* defines for config.c */
#define SERVER_MAX 8
#define AUTH_LOCAL_FST (1<<0)
#define AUTH_RADIUS_FST (1<<1)
#define AUTH_LOCAL_SND (1<<2)
#define AUTH_RADIUS_SND (1<<3)
typedef struct server {
int max;
char *name[SERVER_MAX];
uint16_t port[SERVER_MAX];
char *secret[SERVER_MAX];
double deadtime_ends[SERVER_MAX];
} SERVER;
typedef struct pw_auth_hdr
{
uint8_t code;
uint8_t id;
uint16_t length;
uint8_t vector[AUTH_VECTOR_LEN];
uint8_t data[2];
} AUTH_HDR;
struct rc_conf
{
struct _option *config_options;
uint32_t this_host_ipaddr;
uint32_t *this_host_bind_ipaddr;
struct map2id_s *map2id_list;
struct dict_attr *dictionary_attributes;
struct dict_value *dictionary_values;
struct dict_vendor *dictionary_vendors;
char buf[GETSTR_LENGTH];
char buf1[14];
char ifname[512];
char *ppbuf;
};
typedef struct rc_conf rc_handle;
#define AUTH_HDR_LEN 20
#define CHAP_VALUE_LENGTH 16
#define PW_AUTH_UDP_PORT 1645
#define PW_ACCT_UDP_PORT 1646
#define PW_TYPE_STRING 0
#define PW_TYPE_INTEGER 1
#define PW_TYPE_IPADDR 2
#define PW_TYPE_DATE 3
/* standard RADIUS codes */
#define PW_ACCESS_REQUEST 1
#define PW_ACCESS_ACCEPT 2
#define PW_ACCESS_REJECT 3
#define PW_ACCOUNTING_REQUEST 4
#define PW_ACCOUNTING_RESPONSE 5
#define PW_ACCOUNTING_STATUS 6
#define PW_PASSWORD_REQUEST 7
#define PW_PASSWORD_ACK 8
#define PW_PASSWORD_REJECT 9
#define PW_ACCOUNTING_MESSAGE 10
#define PW_ACCESS_CHALLENGE 11
#define PW_STATUS_SERVER 12
#define PW_STATUS_CLIENT 13
/* standard RADIUS attribute-value pairs */
#define PW_USER_NAME 1 /* string */
#define PW_USER_PASSWORD 2 /* string */
#define PW_CHAP_PASSWORD 3 /* string */
#define PW_NAS_IP_ADDRESS 4 /* ipaddr */
#define PW_NAS_PORT 5 /* integer */
#define PW_SERVICE_TYPE 6 /* integer */
#define PW_FRAMED_PROTOCOL 7 /* integer */
#define PW_FRAMED_IP_ADDRESS 8 /* ipaddr */
#define PW_FRAMED_IP_NETMASK 9 /* ipaddr */
#define PW_FRAMED_ROUTING 10 /* integer */
#define PW_FILTER_ID 11 /* string */
#define PW_FRAMED_MTU 12 /* integer */
#define PW_FRAMED_COMPRESSION 13 /* integer */
#define PW_LOGIN_IP_HOST 14 /* ipaddr */
#define PW_LOGIN_SERVICE 15 /* integer */
#define PW_LOGIN_PORT 16 /* integer */
#define PW_OLD_PASSWORD 17 /* string */ /* deprecated */
#define PW_REPLY_MESSAGE 18 /* string */
#define PW_LOGIN_CALLBACK_NUMBER 19 /* string */
#define PW_FRAMED_CALLBACK_ID 20 /* string */
#define PW_EXPIRATION 21 /* date */ /* deprecated */
#define PW_FRAMED_ROUTE 22 /* string */
#define PW_FRAMED_IPX_NETWORK 23 /* integer */
#define PW_STATE 24 /* string */
#define PW_CLASS 25 /* string */
#define PW_VENDOR_SPECIFIC 26 /* string */
#define PW_SESSION_TIMEOUT 27 /* integer */
#define PW_IDLE_TIMEOUT 28 /* integer */
#define PW_TERMINATION_ACTION 29 /* integer */
#define PW_CALLED_STATION_ID 30 /* string */
#define PW_CALLING_STATION_ID 31 /* string */
#define PW_NAS_IDENTIFIER 32 /* string */
#define PW_PROXY_STATE 33 /* string */
#define PW_LOGIN_LAT_SERVICE 34 /* string */
#define PW_LOGIN_LAT_NODE 35 /* string */
#define PW_LOGIN_LAT_GROUP 36 /* string */
#define PW_FRAMED_APPLETALK_LINK 37 /* integer */
#define PW_FRAMED_APPLETALK_NETWORK 38 /* integer */
#define PW_FRAMED_APPLETALK_ZONE 39 /* string */
#define PW_EVENT_TIMESTAMP 55 /* integer */
#define PW_CHAP_CHALLENGE 60 /* string */
#define PW_NAS_PORT_TYPE 61 /* integer */
#define PW_PORT_LIMIT 62 /* integer */
#define PW_LOGIN_LAT_PORT 63 /* string */
#define PW_CONNECT_INFO 77 /* string */
/* RFC3162 IPv6 attributes */
#define PW_NAS_IPV6_ADDRESS 95 /* string */
#define PW_FRAMED_INTERFACE_ID 96 /* string */
#define PW_FRAMED_IPV6_PREFIX 97 /* string */
#define PW_LOGIN_IPV6_HOST 98 /* string */
#define PW_FRAMED_IPV6_ROUTE 99 /* string */
#define PW_FRAMED_IPV6_POOL 100 /* string */
/* Accounting */
#define PW_ACCT_STATUS_TYPE 40 /* integer */
#define PW_ACCT_DELAY_TIME 41 /* integer */
#define PW_ACCT_INPUT_OCTETS 42 /* integer */
#define PW_ACCT_OUTPUT_OCTETS 43 /* integer */
#define PW_ACCT_SESSION_ID 44 /* string */
#define PW_ACCT_AUTHENTIC 45 /* integer */
#define PW_ACCT_SESSION_TIME 46 /* integer */
#define PW_ACCT_INPUT_PACKETS 47 /* integer */
#define PW_ACCT_OUTPUT_PACKETS 48 /* integer */
#define PW_ACCT_TERMINATE_CAUSE 49 /* integer */
#define PW_ACCT_MULTI_SESSION_ID 50 /* string */
#define PW_ACCT_LINK_COUNT 51 /* integer */
/* Experimental SIP-specific attributes (draft-sterman-aaa-sip-00.txt etc) */
#define PW_DIGEST_RESPONSE 206 /* string */
#define PW_DIGEST_ATTRIBUTES 207 /* string */
#define PW_DIGEST_REALM 1063 /* string */
#define PW_DIGEST_NONCE 1064 /* string */
#define PW_DIGEST_METHOD 1065 /* string */
#define PW_DIGEST_URI 1066 /* string */
#define PW_DIGEST_QOP 1067 /* string */
#define PW_DIGEST_ALGORITHM 1068 /* string */
#define PW_DIGEST_BODY_DIGEST 1069 /* string */
#define PW_DIGEST_CNONCE 1070 /* string */
#define PW_DIGEST_NONCE_COUNT 1071 /* string */
#define PW_DIGEST_USER_NAME 1072 /* string */
/* Merit Experimental Extensions */
#define PW_USER_ID 222 /* string */
#define PW_USER_REALM 223 /* string */
/* Integer Translations */
/* SERVICE TYPES */
#define PW_LOGIN 1
#define PW_FRAMED 2
#define PW_CALLBACK_LOGIN 3
#define PW_CALLBACK_FRAMED 4
#define PW_OUTBOUND 5
#define PW_ADMINISTRATIVE 6
#define PW_NAS_PROMPT 7
#define PW_AUTHENTICATE_ONLY 8
#define PW_CALLBACK_NAS_PROMPT 9
/* FRAMED PROTOCOLS */
#define PW_PPP 1
#define PW_SLIP 2
#define PW_ARA 3
#define PW_GANDALF 4
#define PW_XYLOGICS 5
/* FRAMED ROUTING VALUES */
#define PW_NONE 0
#define PW_BROADCAST 1
#define PW_LISTEN 2
#define PW_BROADCAST_LISTEN 3
/* FRAMED COMPRESSION TYPES */
#define PW_VAN_JACOBSON_TCP_IP 1
#define PW_IPX_HEADER_COMPRESSION 2
/* LOGIN SERVICES */
#define PW_TELNET 0
#define PW_RLOGIN 1
#define PW_TCP_CLEAR 2
#define PW_PORTMASTER 3
#define PW_LAT 4
#define PW_X25_PAD 5
#define PW_X25_T3POS 6
/* TERMINATION ACTIONS */
#define PW_DEFAULT 0
#define PW_RADIUS_REQUEST 1
/* PROHIBIT PROTOCOL */
#define PW_DUMB 0 /* 1 and 2 are defined in FRAMED PROTOCOLS */
#define PW_AUTH_ONLY 3
#define PW_ALL 255
/* ACCOUNTING STATUS TYPES */
#define PW_STATUS_START 1
#define PW_STATUS_STOP 2
#define PW_STATUS_ALIVE 3
#define PW_STATUS_MODEM_START 4
#define PW_STATUS_MODEM_STOP 5
#define PW_STATUS_CANCEL 6
#define PW_ACCOUNTING_ON 7
#define PW_ACCOUNTING_OFF 8
/* ACCOUNTING TERMINATION CAUSES */
#define PW_USER_REQUEST 1
#define PW_LOST_CARRIER 2
#define PW_LOST_SERVICE 3
#define PW_ACCT_IDLE_TIMEOUT 4
#define PW_ACCT_SESSION_TIMEOUT 5
#define PW_ADMIN_RESET 6
#define PW_ADMIN_REBOOT 7
#define PW_PORT_ERROR 8
#define PW_NAS_ERROR 9
#define PW_NAS_REQUEST 10
#define PW_NAS_REBOOT 11
#define PW_PORT_UNNEEDED 12
#define PW_PORT_PREEMPTED 13
#define PW_PORT_SUSPENDED 14
#define PW_SERVICE_UNAVAILABLE 15
#define PW_CALLBACK 16
#define PW_USER_ERROR 17
#define PW_HOST_REQUEST 18
/* NAS PORT TYPES */
#define PW_ASYNC 0
#define PW_SYNC 1
#define PW_ISDN_SYNC 2
#define PW_ISDN_SYNC_V120 3
#define PW_ISDN_SYNC_V110 4
#define PW_VIRTUAL 5
/* AUTHENTIC TYPES */
#define PW_RADIUS 1
#define PW_LOCAL 2
#define PW_REMOTE 3
/* Server data structures */
typedef struct dict_attr
{
char name[NAME_LENGTH + 1]; /* attribute name */
int value; /* attribute index */
int type; /* string, int, etc. */
struct dict_attr *next;
} DICT_ATTR;
typedef struct dict_value
{
char attrname[NAME_LENGTH +1];
char name[NAME_LENGTH + 1];
int value;
struct dict_value *next;
} DICT_VALUE;
typedef struct dict_vendor
{
char vendorname[NAME_LENGTH +1];
int vendorpec;
struct dict_vendor *next;
} DICT_VENDOR;
typedef struct value_pair
{
char name[NAME_LENGTH + 1];
int attribute;
int type;
uint32_t lvalue;
char strvalue[AUTH_STRING_LEN + 1];
struct value_pair *next;
} VALUE_PAIR;
/* don't change this, as it has to be the same as in the Merit radiusd code */
#define MGMT_POLL_SECRET "Hardlyasecret"
/* Define return codes from "SendServer" utility */
#define BADRESP_RC -2
#define ERROR_RC -1
#define OK_RC 0
#define TIMEOUT_RC 1
#define REJECT_RC 2
typedef struct send_data /* Used to pass information to sendserver() function */
{
uint8_t code; /* RADIUS packet code */
uint8_t seq_nbr; /* Packet sequence number */
char *server; /* Name/addrress of RADIUS server */
int svc_port; /* RADIUS protocol destination port */
char *secret; /* Shared secret of RADIUS server */
int timeout; /* Session timeout in seconds */
int retries;
VALUE_PAIR *send_pairs; /* More a/v pairs to send */
VALUE_PAIR *receive_pairs; /* Where to place received a/v pairs */
} SEND_DATA;
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef PATH_MAX
#define PATH_MAX 1024
#endif
typedef struct env
{
int maxsize, size;
char **env;
} ENV;
#define ENV_SIZE 128
__BEGIN_DECLS
/* Function prototypes */
/* avpair.c */
VALUE_PAIR *rc_avpair_add(const rc_handle *, VALUE_PAIR **, int, void *, int, int);
int rc_avpair_assign(VALUE_PAIR *, void *, int);
VALUE_PAIR *rc_avpair_new(const rc_handle *, int, void *, int, int);
VALUE_PAIR *rc_avpair_gen(const rc_handle *, VALUE_PAIR *, unsigned char *, int, int);
VALUE_PAIR *rc_avpair_get(VALUE_PAIR *, int, int);
void rc_avpair_insert(VALUE_PAIR **, VALUE_PAIR *, VALUE_PAIR *);
void rc_avpair_free(VALUE_PAIR *);
int rc_avpair_parse(const rc_handle *, char *, VALUE_PAIR **);
int rc_avpair_tostr(const rc_handle *, VALUE_PAIR *, char *, int, char *, int);
char *rc_avpair_log(rc_handle *, VALUE_PAIR *);
VALUE_PAIR *rc_avpair_readin(const rc_handle *, FILE *);
/* buildreq.c */
void rc_buildreq(rc_handle *, SEND_DATA *, int, char *, unsigned short, char *, int, int);
unsigned char rc_get_seqnbr(rc_handle *);
int rc_auth(rc_handle *, uint32_t, VALUE_PAIR *, VALUE_PAIR **, char *);
int rc_auth_proxy(rc_handle *, VALUE_PAIR *, VALUE_PAIR **, char *);
int rc_acct(rc_handle *, uint32_t, VALUE_PAIR *);
int rc_acct_proxy(rc_handle *, VALUE_PAIR *);
int rc_check(rc_handle *, char *, char *, unsigned short, char *);
/* clientid.c */
int rc_read_mapfile(rc_handle *, char *);
uint32_t rc_map2id(rc_handle *, char *);
void rc_map2id_free(rc_handle *);
/* config.c */
rc_handle *rc_read_config(char *);
char *rc_conf_str(rc_handle *, char *);
int rc_conf_int(rc_handle *, char *);
SERVER *rc_conf_srv(rc_handle *, char *);
int rc_find_server(rc_handle *, char *, uint32_t *, char *);
void rc_config_free(rc_handle *);
int rc_add_config(rc_handle *, const char *, const char *, const char *, const int);
rc_handle *rc_config_init(rc_handle *);
int test_config(rc_handle *, char *);
/* dict.c */
int rc_read_dictionary(rc_handle *, const char *);
DICT_ATTR *rc_dict_getattr(const rc_handle *, int);
DICT_ATTR *rc_dict_findattr(const rc_handle *, const char *);
DICT_VALUE *rc_dict_findval(const rc_handle *, const char *);
DICT_VENDOR *rc_dict_findvend(const rc_handle *, const char *);
DICT_VENDOR *rc_dict_getvend(const rc_handle *, int);
DICT_VALUE * rc_dict_getval(const rc_handle *, uint32_t, const char *);
void rc_dict_free(rc_handle *);
/* ip_util.c */
struct hostent *rc_gethostbyname(const char *);
struct hostent *rc_gethostbyaddr(const char *, size_t, int);
uint32_t rc_get_ipaddr(char *);
int rc_good_ipaddr(char *);
const char *rc_ip_hostname(uint32_t);
unsigned short rc_getport(int);
int rc_own_hostname(char *, int);
uint32_t rc_own_ipaddress(rc_handle *);
uint32_t rc_own_bind_ipaddress(rc_handle *);
struct sockaddr;
int rc_get_srcaddr(struct sockaddr *, struct sockaddr *);
/* log.c */
void rc_openlog(char *);
void rc_log(int, const char *, ...);
/* sendserver.c */
int rc_send_server(rc_handle *, SEND_DATA *, char *);
/* util.c */
void rc_str2tm(char *, struct tm *);
char *rc_getifname(rc_handle *, char *);
char *rc_getstr(rc_handle *, char *, int);
void rc_mdelay(int);
char *rc_mksid(rc_handle *);
rc_handle *rc_new(void);
void rc_destroy(rc_handle *);
char *rc_fgetln(FILE *, size_t *);
double rc_getctime(void);
/* env.c */
struct env *rc_new_env(int);
void rc_free_env(struct env *);
int rc_add_env(struct env *, char *, char *);
int rc_import_env(struct env *, char **);
/* md5.c */
void rc_md5_calc(unsigned char *, unsigned char *, unsigned int);
__END_DECLS
#endif /* FREERADIUS_CLIENT_H */