-#ifndef LIBRADIUS_H
-#define LIBRADIUS_H
-
-/*
- * libradius.h Structures and prototypes
- * for the radius library.
- *
- * Version: $Id: libradius.h,v 1.1 2010/08/14 04:13:52 faust Exp $
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- *
- * Copyright 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008 The FreeRADIUS server project
- */
-
-#include <freeradius/ident.h>
-RCSIDH(libradius_h, "$Id: libradius.h,v 1.1 2010/08/14 04:13:52 faust Exp $")
-
-#include <errno.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include "os_int.h"
-
-#include <netinet/in.h>
-#include <sys/socket.h>
-
-#include <freeradius/radius.h>
-#include <freeradius/token.h>
-#include <freeradius/hash.h>
-
-#ifdef SIZEOF_UNSIGNED_INT
-#if SIZEOF_UNSIGNED_INT != 4
-#error FATAL: sizeof(unsigned int) != 4
-#endif
-#endif
-
-/*
- * Include for modules.
- */
-#include <freeradius/sha1.h>
-#include <freeradius/md4.h>
-
-#define EAP_START 2
-
-#define AUTH_VECTOR_LEN 16
-#define CHAP_VALUE_LENGTH 16
-#define MAX_STRING_LEN 254 /* RFC2138: string 0-253 octets */
-
-# define VENDOR(x) ((x >> 16) & 0xffff)
-
-#ifdef _LIBRADIUS
-# define AUTH_HDR_LEN 20
-# define VENDORPEC_USR 429
-#define VENDORPEC_LUCENT 4846
-#define VENDORPEC_STARENT 8164
-# define DEBUG if (fr_debug_flag && fr_log_fp) fr_printf_log
-# define debug_pair(vp) do { if (fr_debug_flag && fr_log_fp) { \
- fputc('\t', fr_log_fp); \
- vp_print(fr_log_fp, vp); \
- fputc('\n', fr_log_fp); \
- } \
- } while(0)
-# define TAG_VALID(x) ((x) > 0 && (x) < 0x20)
-# define TAG_VALID_ZERO(x) ((x) < 0x20)
-# define TAG_ANY -128 /* minimum signed char */
-#endif
-
-#if defined(__GNUC__)
-# define PRINTF_LIKE(n) __attribute__ ((format(printf, n, n+1)))
-# define NEVER_RETURNS __attribute__ ((noreturn))
-# define UNUSED __attribute__ ((unused))
-# define BLANK_FORMAT " " /* GCC_LINT whines about empty formats */
-#else
-# define PRINTF_LIKE(n) /* ignore */
-# define NEVER_RETURNS /* ignore */
-# define UNUSED /* ignore */
-# define BLANK_FORMAT ""
-#endif
-
-typedef struct attr_flags {
- unsigned int addport : 1; /* add NAS-Port to IP address */
- unsigned int has_tag : 1; /* tagged attribute */
- unsigned int do_xlat : 1; /* strvalue is dynamic */
- unsigned int unknown_attr : 1; /* not in dictionary */
- unsigned int array : 1; /* pack multiples into 1 attr */
- unsigned int has_value : 1; /* has a value */
- unsigned int has_value_alias : 1; /* has a value alias */
- unsigned int has_tlv : 1; /* has sub attributes */
- unsigned int is_tlv : 1; /* is a sub attribute */
- unsigned int encoded : 1; /* has been put into packet */
-
- int8_t tag; /* tag for tunneled attributes */
- uint8_t encrypt; /* encryption method */
-} ATTR_FLAGS;
-
-/*
- * Values of the encryption flags.
- */
-#define FLAG_ENCRYPT_NONE (0)
-#define FLAG_ENCRYPT_USER_PASSWORD (1)
-#define FLAG_ENCRYPT_TUNNEL_PASSWORD (2)
-#define FLAG_ENCRYPT_ASCEND_SECRET (3)
-
-typedef struct dict_attr {
- unsigned int attr;
- int type;
- int vendor;
- ATTR_FLAGS flags;
- char name[1];
-} DICT_ATTR;
-
-typedef struct dict_value {
- unsigned int attr;
- int value;
- char name[1];
-} DICT_VALUE;
-
-typedef struct dict_vendor {
- int vendorpec;
- int type; /* length of type data */
- int length; /* length of length data */
- int flags;
- char name[1];
-} DICT_VENDOR;
-
-typedef union value_pair_data {
- char strvalue[MAX_STRING_LEN];
- uint8_t octets[MAX_STRING_LEN];
- struct in_addr ipaddr;
- struct in6_addr ipv6addr;
- uint32_t date;
- uint32_t integer;
- int32_t sinteger;
- uint8_t filter[32];
- uint8_t ifid[8]; /* struct? */
- uint8_t ipv6prefix[18]; /* struct? */
- uint8_t ether[6];
- uint8_t *tlv;
-} VALUE_PAIR_DATA;
-
-typedef struct value_pair {
- const char *name;
- int attribute;
- int vendor;
- int type;
- size_t length; /* of data */
- FR_TOKEN _operator;
- ATTR_FLAGS flags;
- struct value_pair *next;
- uint32_t lvalue;
- VALUE_PAIR_DATA data;
-} VALUE_PAIR;
-#define vp_strvalue data.strvalue
-#define vp_octets data.octets
-#define vp_ipv6addr data.ipv6addr
-#define vp_ifid data.ifid
-#define vp_ipv6prefix data.ipv6prefix
-#define vp_filter data.filter
-#define vp_ether data.ether
-#define vp_signed data.sinteger
-#define vp_tlv data.tlv
-
-#if 0
-#define vp_ipaddr data.ipaddr.s_addr
-#define vp_date data.date
-#define vp_integer data.integer
-#else
-/*
- * These are left as lvalue until we audit the source for code
- * that prints to vp_strvalue for integer/ipaddr/date types.
- */
-#define vp_ipaddr lvalue
-#define vp_date lvalue
-#define vp_integer lvalue
-#endif
-
-
-typedef struct fr_ipaddr_t {
- int af; /* address family */
- union {
- struct in_addr ip4addr;
- struct in6_addr ip6addr; /* maybe defined in missing.h */
- } ipaddr;
-} fr_ipaddr_t;
-
-/*
- * vector: Request authenticator from access-request packet
- * Put in there by rad_decode, and must be put in the
- * response RADIUS_PACKET as well before calling rad_send
- *
- * verified: Filled in by rad_decode for accounting-request packets
- *
- * data,data_len: Used between rad_recv and rad_decode.
- */
-typedef struct radius_packet {
- int sockfd;
- fr_ipaddr_t src_ipaddr;
- fr_ipaddr_t dst_ipaddr;
- uint16_t src_port;
- uint16_t dst_port;
- int id;
- unsigned int code;
- uint32_t hash;
- uint8_t vector[AUTH_VECTOR_LEN];
- time_t timestamp;
- uint8_t *data;
- int data_len;
- VALUE_PAIR *vps;
- ssize_t offset;
-} RADIUS_PACKET;
-
-/*
- * Printing functions.
- */
-int fr_utf8_char(const uint8_t *str);
-void fr_print_string(const char *in, size_t inlen,
- char *out, size_t outlen);
-int vp_prints_value(char *out, size_t outlen,
- VALUE_PAIR *vp, int delimitst);
-const char *vp_print_name(char *buffer, size_t bufsize, int attr);
-int vp_prints(char *out, size_t outlen, VALUE_PAIR *vp);
-void vp_print(FILE *, VALUE_PAIR *);
-void vp_printlist(FILE *, VALUE_PAIR *);
-#define fprint_attr_val vp_print
-
-/*
- * Dictionary functions.
- */
-int dict_addvendor(const char *name, int value);
-int dict_addattr(const char *name, int vendor, int type, int value, ATTR_FLAGS flags);
-int dict_addvalue(const char *namestr, const char *attrstr, int value);
-int dict_init(const char *dir, const char *fn);
-void dict_free(void);
-DICT_ATTR *dict_attrbyvalue(unsigned int attr);
-DICT_ATTR *dict_attrbyname(const char *attr);
-DICT_VALUE *dict_valbyattr(unsigned int attr, int val);
-DICT_VALUE *dict_valbyname(unsigned int attr, const char *val);
-int dict_vendorbyname(const char *name);
-DICT_VENDOR *dict_vendorbyvalue(int vendor);
-
-#if 1 /* FIXME: compat */
-#define dict_attrget dict_attrbyvalue
-#define dict_attrfind dict_attrbyname
-#define dict_valfind dict_valbyname
-/*#define dict_valget dict_valbyattr almost but not quite*/
-#endif
-
-/* get around diffrent ctime_r styles */
-#ifdef CTIMERSTYLE
-#if CTIMERSTYLE == SOLARISSTYLE
-#define CTIME_R(a,b,c) ctime_r(a,b,c)
-#else
-#define CTIME_R(a,b,c) ctime_r(a,b)
-#endif
-#else
-#define CTIME_R(a,b,c) ctime_r(a,b)
-#endif
-
-/* md5.c */
-
-void fr_md5_calc(uint8_t *, const uint8_t *, unsigned int);
-
-/* hmac.c */
-
-void fr_hmac_md5(const uint8_t *text, int text_len,
- const uint8_t *key, int key_len,
- unsigned char *digest);
-
-/* hmacsha1.c */
-
-void fr_hmac_sha1(const uint8_t *text, int text_len,
- const uint8_t *key, int key_len,
- uint8_t *digest);
-
-/* radius.c */
-int rad_send(RADIUS_PACKET *, const RADIUS_PACKET *, const char *secret);
-int rad_packet_ok(RADIUS_PACKET *packet, int flags);
-RADIUS_PACKET *rad_recv(int fd, int flags);
-ssize_t rad_recv_header(int sockfd, fr_ipaddr_t *src_ipaddr, int *src_port,
- int *code);
-void rad_recv_discard(int sockfd);
-int rad_verify(RADIUS_PACKET *packet, RADIUS_PACKET *original,
- const char *secret);
-int rad_decode(RADIUS_PACKET *packet, RADIUS_PACKET *original, const char *secret);
-int rad_encode(RADIUS_PACKET *packet, const RADIUS_PACKET *original,
- const char *secret);
-int rad_sign(RADIUS_PACKET *packet, const RADIUS_PACKET *original,
- const char *secret);
-
-RADIUS_PACKET *rad_alloc(int newvector);
-RADIUS_PACKET *rad_alloc_reply(RADIUS_PACKET *);
-void rad_free(RADIUS_PACKET **);
-int rad_pwencode(char *encpw, size_t *len, const char *secret,
- const uint8_t *vector);
-int rad_pwdecode(char *encpw, size_t len, const char *secret,
- const uint8_t *vector);
-int rad_tunnel_pwencode(char *encpw, size_t *len, const char *secret,
- const uint8_t *vector);
-int rad_tunnel_pwdecode(uint8_t *encpw, size_t *len,
- const char *secret, const uint8_t *vector);
-int rad_chap_encode(RADIUS_PACKET *packet, uint8_t *output,
- int id, VALUE_PAIR *password);
-VALUE_PAIR *rad_attr2vp(const RADIUS_PACKET *packet, const RADIUS_PACKET *original,
- const char *secret, int attribute, int length,
- const uint8_t *data);
-int rad_vp2attr(const RADIUS_PACKET *packet,
- const RADIUS_PACKET *original, const char *secret,
- const VALUE_PAIR *vp, uint8_t *ptr);
-
-/* valuepair.c */
-VALUE_PAIR *pairalloc(DICT_ATTR *da);
-VALUE_PAIR *paircreate(int attr, int type);
-void pairfree(VALUE_PAIR **);
-void pairbasicfree(VALUE_PAIR *pair);
-VALUE_PAIR *pairfind(VALUE_PAIR *, int);
-void pairdelete(VALUE_PAIR **, int);
-void pairadd(VALUE_PAIR **, VALUE_PAIR *);
-void pairreplace(VALUE_PAIR **first, VALUE_PAIR *add);
-int paircmp(VALUE_PAIR *check, VALUE_PAIR *data);
-VALUE_PAIR *paircopyvp(const VALUE_PAIR *vp);
-VALUE_PAIR *paircopy(VALUE_PAIR *vp);
-VALUE_PAIR *paircopy2(VALUE_PAIR *vp, int attr);
-void pairmove(VALUE_PAIR **to, VALUE_PAIR **from);
-void pairmove2(VALUE_PAIR **to, VALUE_PAIR **from, int attr);
-VALUE_PAIR *pairparsevalue(VALUE_PAIR *vp, const char *value);
-VALUE_PAIR *pairmake(const char *attribute, const char *value, int _operator);
-VALUE_PAIR *pairread(const char **ptr, FR_TOKEN *eol);
-FR_TOKEN userparse(const char *buffer, VALUE_PAIR **first_pair);
-VALUE_PAIR *readvp2(FILE *fp, int *pfiledone, const char *errprefix);
-
-/*
- * Error functions.
- */
-#ifdef _LIBRADIUS
-void fr_strerror_printf(const char *, ...)
-#ifdef __GNUC__
- __attribute__ ((format (printf, 1, 2)))
-#endif
-;
-#endif
-void fr_perror(const char *, ...)
-#ifdef __GNUC__
- __attribute__ ((format (printf, 1, 2)))
-#endif
-;
-extern const char *fr_strerror(void);
-extern int fr_dns_lookups; /* 0 = no dns lookups */
-extern int fr_debug_flag; /* 0 = no debugging information */
-extern int fr_max_attributes; /* per incoming packet */
-#define FR_MAX_PACKET_CODE (52)
-extern const char *fr_packet_codes[FR_MAX_PACKET_CODE];
-extern FILE *fr_log_fp;
-void fr_printf_log(const char *, ...)
-#ifdef __GNUC__
- __attribute__ ((format (printf, 1, 2)))
-#endif
-;
-
-/*
- * Several handy miscellaneous functions.
- */
-const char * ip_ntoa(char *, uint32_t);
-char *ifid_ntoa(char *buffer, size_t size, uint8_t *ifid);
-uint8_t *ifid_aton(const char *ifid_str, uint8_t *ifid);
-int rad_lockfd(int fd, int lock_len);
-int rad_lockfd_nonblock(int fd, int lock_len);
-int rad_unlockfd(int fd, int lock_len);
-void fr_bin2hex(const uint8_t *bin, char *hex, size_t len);
-size_t fr_hex2bin(const char *hex, uint8_t *bin, size_t len);
-#ifndef HAVE_CLOSEFROM
-int closefrom(int fd);
-#endif
-int fr_ipaddr_cmp(const fr_ipaddr_t *a, const fr_ipaddr_t *b);
-
-int ip_hton(const char *src, int af, fr_ipaddr_t *dst);
-const char *ip_ntoh(const fr_ipaddr_t *src, char *dst, size_t cnt);
-int fr_ipaddr2sockaddr(const fr_ipaddr_t *ipaddr, int port,
- struct sockaddr_storage *sa, socklen_t *salen);
-int fr_sockaddr2ipaddr(const struct sockaddr_storage *sa, socklen_t salen,
- fr_ipaddr_t *ipaddr, int * port);
-
-
-#ifdef ASCEND_BINARY
-/* filters.c */
-int ascend_parse_filter(VALUE_PAIR *pair);
-void print_abinary(VALUE_PAIR *vp, char *buffer, size_t len);
-#endif /*ASCEND_BINARY*/
-
-/* random numbers in isaac.c */
-/* context of random number generator */
-typedef struct fr_randctx {
- uint32_t randcnt;
- uint32_t randrsl[256];
- uint32_t randmem[256];
- uint32_t randa;
- uint32_t randb;
- uint32_t randc;
-} fr_randctx;
-
-void fr_isaac(fr_randctx *ctx);
-void fr_randinit(fr_randctx *ctx, int flag);
-uint32_t fr_rand(void); /* like rand(), but better. */
-void fr_rand_seed(const void *, size_t ); /* seed the random pool */
-
-
-/* crypt wrapper from crypt.c */
-int fr_crypt_check(const char *key, const char *salt);
-
-/* rbtree.c */
-typedef struct rbtree_t rbtree_t;
-typedef struct rbnode_t rbnode_t;
-
-rbtree_t *rbtree_create(int (*Compare)(const void *, const void *),
- void (*freeNode)(void *),
- int replace_flag);
-void rbtree_free(rbtree_t *tree);
-int rbtree_insert(rbtree_t *tree, void *Data);
-rbnode_t *rbtree_insertnode(rbtree_t *tree, void *Data);
-void rbtree_delete(rbtree_t *tree, rbnode_t *Z);
-int rbtree_deletebydata(rbtree_t *tree, const void *data);
-rbnode_t *rbtree_find(rbtree_t *tree, const void *Data);
-void *rbtree_finddata(rbtree_t *tree, const void *Data);
-int rbtree_num_elements(rbtree_t *tree);
-void *rbtree_min(rbtree_t *tree);
-void *rbtree_node2data(rbtree_t *tree, rbnode_t *node);
-
-/* callback order for walking */
-typedef enum { PreOrder, InOrder, PostOrder } RBTREE_ORDER;
-
-/*
- * The callback should be declared as:
- * int callback(void *context, void *data)
- *
- * The "context" is some user-defined context.
- * The "data" is the pointer to the user data in the node,
- * NOT the node itself.
- *
- * It should return 0 if all is OK, and !0 for any error.
- * The walking will stop on any error.
- */
-int rbtree_walk(rbtree_t *tree, RBTREE_ORDER order, int (*callback)(void *, void *), void *context);
-
-/*
- * FIFOs
- */
-typedef struct fr_fifo_t fr_fifo_t;
-typedef void (*fr_fifo_free_t)(void *);
-fr_fifo_t *fr_fifo_create(int max_entries, fr_fifo_free_t freeNode);
-void fr_fifo_free(fr_fifo_t *fi);
-int fr_fifo_push(fr_fifo_t *fi, void *data);
-void *fr_fifo_pop(fr_fifo_t *fi);
-void *fr_fifo_peek(fr_fifo_t *fi);
-int fr_fifo_num_elements(fr_fifo_t *fi);
-
-#include <freeradius/packet.h>
-
-#endif /*LIBRADIUS_H*/