*
* Version: $Id$
*
+ * 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 "autoconf.h"
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#ifdef HAVE_STDINT_H
-#include <stdint.h>
-#endif
+#include <freeradius-devel/ident.h>
+RCSIDH(libradius_h, "$Id$")
-#ifdef HAVE_INTTYPES_H
-#include <inttypes.h>
-#endif
+#include <freeradius-devel/missing.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
-/*
- * Check for inclusion of <time.h>, versus <sys/time.h>
- * Taken verbatim from the autoconf manual.
- */
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#include "radius.h"
-#include "token.h"
+#include <freeradius-devel/radius.h>
+#include <freeradius-devel/token.h>
+#include <freeradius-devel/hash.h>
#ifdef SIZEOF_UNSIGNED_INT
#if SIZEOF_UNSIGNED_INT != 4
/*
* Include for modules.
*/
-#include <sha1.h>
-#include <md4.h>
+#include <freeradius-devel/sha1.h>
+#include <freeradius-devel/md4.h>
+
+#ifndef WITHOUT_TCP
+#define WITH_TCP (1)
+#endif
#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)
+#define FR_MAX_VENDOR (1 << 24) /* RFC limitations */
#ifdef _LIBRADIUS
# define AUTH_HDR_LEN 20
# define VENDORPEC_USR 429
#define VENDORPEC_LUCENT 4846
#define VENDORPEC_STARENT 8164
-# define DEBUG if (librad_debug) printf
-# define debug_pair(vp) do { if (librad_debug) { \
- putchar('\t'); \
- vp_print(stdout, vp); \
- putchar('\n'); \
+# 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) >= 0 && (x) < 0x20)
+# define TAG_VALID_ZERO(x) ((x) < 0x20)
# define TAG_ANY -128 /* minimum signed char */
#endif
#endif
typedef struct attr_flags {
- char addport; /* Add port to IP address */
- char has_tag; /* attribute allows tags */
- signed char len_disp; /* length displacement */
- char do_xlat;
- signed char tag;
- uint8_t encrypt; /* encryption method */
+ 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 */
+ unsigned int extended : 1; /* extended attribute */
+ unsigned int extended_flags : 1; /* with flag */
+
+ int8_t tag; /* tag for tunneled attributes */
+ uint8_t encrypt; /* encryption method */
+ uint8_t length;
} ATTR_FLAGS;
/*
#define FLAG_ENCRYPT_ASCEND_SECRET (3)
typedef struct dict_attr {
- char name[40];
- int attr;
+ unsigned int attr;
int type;
int vendor;
ATTR_FLAGS flags;
+ char name[1];
} DICT_ATTR;
typedef struct dict_value {
- int attr;
+ unsigned int attr;
+ unsigned int vendor;
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 */
+ size_t type; /* length of type data */
+ size_t length; /* length of length data */
+ size_t 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 {
- char name[40];
- int attribute;
+ const char *name;
+ unsigned int attribute;
+ unsigned int vendor;
int type;
- int length; /* of strvalue */
- uint32_t lvalue;
- LRAD_TOKEN operator;
- uint8_t strvalue[MAX_STRING_LEN];
+ 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;
+ uint32_t scope; /* for IPv6 */
+} fr_ipaddr_t;
/*
* vector: Request authenticator from access-request packet
*/
typedef struct radius_packet {
int sockfd;
- uint32_t src_ipaddr;
- uint32_t dst_ipaddr;
- u_short src_port;
- u_short dst_port;
+ 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;
- int verified;
uint8_t *data;
- int data_len;
+ ssize_t data_len;
VALUE_PAIR *vps;
+ ssize_t offset;
+#ifdef WITH_TCP
+ ssize_t partial;
+#endif
} RADIUS_PACKET;
/*
* Printing functions.
*/
-void librad_safeprint(char *in, int inlen, char *out, int outlen);
-int vp_prints_value(char *out, int outlen, VALUE_PAIR *vp,int delimitst);
-int vp_prints(char *out, int outlen, VALUE_PAIR *vp);
+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 vendor);
+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_addattr(const char *name, int attr, int vendor, int type, 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(int attr);
+DICT_ATTR *dict_attrbyvalue(unsigned int attr, unsigned int vendor);
DICT_ATTR *dict_attrbyname(const char *attr);
-DICT_VALUE *dict_valbyattr(int attr, int val);
-DICT_VALUE *dict_valbyname(int attr, const char *val);
+DICT_VALUE *dict_valbyattr(unsigned int attr, unsigned int vendor, int val);
+DICT_VALUE *dict_valbyname(unsigned int attr, unsigned int vendor, const char *val);
int dict_vendorbyname(const char *name);
DICT_VENDOR *dict_vendorbyvalue(int vendor);
-/*
- * Compatibility
- */
-#define dict_vendorcode
-#define dict_vendorpec
-
-
#if 1 /* FIXME: compat */
#define dict_attrget dict_attrbyvalue
#define dict_attrfind dict_attrbyname
/* md5.c */
-void librad_md5_calc(u_char *, u_char *, u_int);
+void fr_md5_calc(uint8_t *, const uint8_t *, unsigned int);
/* hmac.c */
-void lrad_hmac_md5(const unsigned char *text, int text_len,
- const unsigned char *key, int key_len,
+void fr_hmac_md5(const uint8_t *text, int text_len,
+ const uint8_t *key, int key_len,
unsigned char *digest);
/* hmacsha1.c */
-void lrad_hmac_sha1(const unsigned char *text, int text_len,
- const unsigned char *key, int key_len,
- unsigned char *digest);
+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);
-RADIUS_PACKET *rad_recv(int fd);
-int rad_verify(RADIUS_PACKET *packet, RADIUS_PACKET *original, 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);
-RADIUS_PACKET *rad_alloc(int newvector);
-void rad_free(RADIUS_PACKET **);
-int rad_pwencode(char *encpw, int *len, const char *secret, const char *vector);
-int rad_pwdecode(char *encpw, int len, const char *secret, const char *vector);
-int rad_tunnel_pwencode(char *encpw, int *len, const char *secret, const char *vector);
-int rad_tunnel_pwdecode(uint8_t *encpw, int *len, const char *secret, const char *vector);
-int rad_chap_encode(RADIUS_PACKET *packet, char *output, int id, VALUE_PAIR *password);
-int rad_vp2attr(const RADIUS_PACKET *packet,
- const RADIUS_PACKET *original, const char *secret,
- const VALUE_PAIR *vp, uint8_t *ptr);
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 vendor,
+ 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, size_t room);
+
/* valuepair.c */
-VALUE_PAIR *paircreate(int attr, int type);
+VALUE_PAIR *pairalloc(DICT_ATTR *da);
+VALUE_PAIR *paircreate_raw(int attr, int vendor, int type, VALUE_PAIR *);
+VALUE_PAIR *paircreate(int attr, int vendor, int type);
void pairfree(VALUE_PAIR **);
void pairbasicfree(VALUE_PAIR *pair);
-VALUE_PAIR *pairfind(VALUE_PAIR *, int);
-void pairdelete(VALUE_PAIR **, int);
+VALUE_PAIR *pairfind(VALUE_PAIR *, unsigned int attr, unsigned int vendor);
+void pairdelete(VALUE_PAIR **, unsigned int attr, unsigned int vendor);
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);
+VALUE_PAIR *paircopy2(VALUE_PAIR *vp, unsigned int attr, unsigned int vendor);
void pairmove(VALUE_PAIR **to, VALUE_PAIR **from);
-void pairmove2(VALUE_PAIR **to, VALUE_PAIR **from, int attr);
+void pairmove2(VALUE_PAIR **to, VALUE_PAIR **from, unsigned int attr, unsigned int vendor);
VALUE_PAIR *pairparsevalue(VALUE_PAIR *vp, const char *value);
VALUE_PAIR *pairmake(const char *attribute, const char *value, int operator);
-VALUE_PAIR *pairread(char **ptr, LRAD_TOKEN *eol);
-LRAD_TOKEN userparse(char *buffer, VALUE_PAIR **first_pair);
+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 librad_log(const char *, ...)
+void fr_strerror_printf(const char *, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 1, 2)))
#endif
;
#endif
-void librad_perror(const char *, ...)
+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
;
-extern char librad_errstr[];
-extern int librad_dodns; /* 0 = no dns lookups */
-extern int librad_debug; /* 0 = no debugging information */
-extern int librad_max_attributes; /* per incoming packet */
/*
* Several handy miscellaneous functions.
*/
-char * ip_hostname (char *buf, size_t buflen, uint32_t ipaddr);
-uint32_t ip_getaddr (const char *);
-char * ip_ntoa(char *, uint32_t);
-uint32_t ip_addr(const char *);
+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);
-const char *ipv6_ntoa(char *buffer, size_t size, void *ip6addr);
-int ipv6_addr(const char *ip6_str, void *ip6addr);
-char *strNcpy(char *dest, const char *src, int n);
-void rad_lowercase(char *str);
-void rad_rmspace(char *str);
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 lrad_bin2hex(const uint8_t *bin, char *hex, int len);
-int lrad_hex2bin(const char *hex, uint8_t *bin, int 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_INET_PTON
+int inet_pton(int af, const char *src, void *dst);
+#endif
+#ifndef HAVE_INET_NTOP
+const char *inet_ntop(int af, const void *src, char *dst, size_t cnt);
+#endif
#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, u_char *buffer, int len);
+void print_abinary(VALUE_PAIR *vp, char *buffer, size_t len);
#endif /*ASCEND_BINARY*/
-/* snprintf.c */
-#ifndef HAVE_VSNPRINTF
-#include <stdarg.h>
-int vsnprintf(char *str, size_t count, const char *fmt, va_list arg);
-#endif
-#ifndef HAVE_SNPRINTF
-int snprintf(char *str, size_t count, const char *fmt, ...);
-#endif
-
/* random numbers in isaac.c */
/* context of random number generator */
-typedef struct lrad_randctx {
+typedef struct fr_randctx {
uint32_t randcnt;
uint32_t randrsl[256];
uint32_t randmem[256];
uint32_t randa;
uint32_t randb;
uint32_t randc;
-} lrad_randctx;
+} 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 */
-void lrad_isaac(lrad_randctx *ctx);
-void lrad_randinit(lrad_randctx *ctx, int flag);
-uint32_t lrad_rand(void); /* like rand(), but better. */
-void lrad_rand_seed(const void *, size_t ); /* seed the random pool */
/* crypt wrapper from crypt.c */
-int lrad_crypt_check(const char *key, const char *salt);
+int fr_crypt_check(const char *key, const char *salt);
/* rbtree.c */
typedef struct rbtree_t rbtree_t;
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);
-int rbtree_deletebydata(rbtree_t *tree, const void *data);
/* callback order for walking */
typedef enum { PreOrder, InOrder, PostOrder } RBTREE_ORDER;
-int rbtree_walk(rbtree_t *tree, RBTREE_ORDER order, int (*callback)(void *, void *), void *context);
/*
- * Fast hash, which isn't too bad. Don't use for cryptography,
- * just for hashing internal data.
+ * 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.
*/
-uint32_t lrad_hash(const void *, size_t);
-uint32_t lrad_hash_update(const void *data, size_t size, uint32_t hash);
-uint32_t lrad_hash_string(const char *p);
+int rbtree_walk(rbtree_t *tree, RBTREE_ORDER order, int (*callback)(void *, void *), void *context);
/*
- * If you need fewer than 32-bits of hash, use this macro to get
- * the number of bits in the hash you need. The upper bits of the
- * hash will be set to zero.
+ * FIFOs
*/
-uint32_t lrad_hash_fold(uint32_t hash, int bits);
-
-typedef struct lrad_hash_table_t lrad_hash_table_t;
-typedef void (*lrad_hash_table_free_t)(void *);
-typedef uint32_t (*lrad_hash_table_hash_t)(const void *);
-typedef int (*lrad_hash_table_cmp_t)(const void *, const void *);
-typedef int (*lrad_hash_table_walk_t)(void * /* ctx */, void * /* data */);
-
-lrad_hash_table_t *lrad_hash_table_create(lrad_hash_table_hash_t hashNode,
- lrad_hash_table_cmp_t cmpNode,
- lrad_hash_table_free_t freeNode);
-void lrad_hash_table_free(lrad_hash_table_t *ht);
-int lrad_hash_table_insert(lrad_hash_table_t *ht, void *data);
-int lrad_hash_table_delete(lrad_hash_table_t *ht, const void *data);
-void *lrad_hash_table_yank(lrad_hash_table_t *ht, const void *data);
-int lrad_hash_table_replace(lrad_hash_table_t *ht, void *data);
-void *lrad_hash_table_finddata(lrad_hash_table_t *ht, const void *data);
-int lrad_hash_table_num_elements(lrad_hash_table_t *ht);
-int lrad_hash_table_walk(lrad_hash_table_t *ht,
- lrad_hash_table_walk_t callback,
- void *ctx);
+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-devel/packet.h>
+
+#ifdef WITH_TCP
+#include <freeradius-devel/tcp.h>
+#endif
+
#endif /*LIBRADIUS_H*/