/*
* ntp_stdlib.h - Prototypes for NTP lib.
*/
#ifndef NTP_STDLIB_H
#define NTP_STDLIB_H
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include "l_stdlib.h"
#include "ntp_rfc2553.h"
#include "ntp_types.h"
#include "ntp_malloc.h"
#include "ntp_string.h"
#include "ntp_net.h"
#include "ntp_syslog.h"
/*
* Handle gcc __attribute__ if available.
*/
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || (defined(__STRICT_ANSI__))
# define __attribute__(Spec) /* empty */
# endif
/* The __-protected variants of `format' and `printf' attributes
are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
# define __format__ format
# define __printf__ printf
# endif
#endif
extern int mprintf(const char *, ...)
__attribute__((__format__(__printf__, 1, 2)));
extern int mfprintf(FILE *, const char *, ...)
__attribute__((__format__(__printf__, 2, 3)));
extern int mvfprintf(FILE *, const char *, va_list)
__attribute__((__format__(__printf__, 2, 0)));
extern int mvsnprintf(char *, size_t, const char *, va_list)
__attribute__((__format__(__printf__, 3, 0)));
extern int msnprintf(char *, size_t, const char *, ...)
__attribute__((__format__(__printf__, 3, 4)));
extern void msyslog(int, const char *, ...)
__attribute__((__format__(__printf__, 2, 3)));
/*
* When building without OpenSSL, use a few macros of theirs to
* minimize source differences in NTP.
*/
#ifndef OPENSSL
#define NID_md5 4 /* from openssl/objects.h */
/* from openssl/evp.h */
#define EVP_MAX_MD_SIZE 64 /* longest known is SHA512 */
#endif
/* authkeys.c */
extern void auth_delkeys (void);
extern int auth_havekey (keyid_t);
extern int authdecrypt (keyid_t, u_int32 *, int, int);
extern int authencrypt (keyid_t, u_int32 *, int);
extern int authhavekey (keyid_t);
extern int authistrusted (keyid_t);
extern int authreadkeys (const char *);
extern void authtrust (keyid_t, u_long);
extern int authusekey (keyid_t, int, const u_char *);
extern u_long calyearstart (u_long);
extern const char *clockname (int);
extern int clocktime (int, int, int, int, int, u_long, u_long *, u_int32 *);
extern int ntp_getopt (int, char **, const char *);
extern void init_auth (void);
extern void init_lib (void);
extern struct savekey *auth_findkey (keyid_t);
extern int auth_moremem (void);
extern int ymd2yd (int, int, int);
/* a_md5encrypt.c */
extern int MD5authdecrypt (int, u_char *, u_int32 *, int, int);
extern int MD5authencrypt (int, u_char *, u_int32 *, int);
extern void MD5auth_setkey (keyid_t, int, const u_char *, const int);
extern u_int32 addr2refid (sockaddr_u *);
/* emalloc.c */
#ifndef EREALLOC_CALLSITE /* ntp_malloc.h defines */
extern void * ereallocz (void *, size_t, size_t, int);
#define erealloczsite(p, n, o, z, f, l) ereallocz(p, n, o, (z))
extern void * emalloc (size_t);
#define emalloc_zero(c) ereallocz(NULL, (c), 0, TRUE)
#define erealloc(p, c) ereallocz(p, (c), 0, FALSE)
#define erealloc_zero(p, n, o) ereallocz(p, n, (o), TRUE)
extern char * estrdup_impl (const char *);
#define estrdup(s) estrdup_impl(s)
#else
extern void * ereallocz (void *, size_t, size_t, int,
const char *, int);
#define erealloczsite ereallocz
#define emalloc(c) ereallocz(NULL, (c), 0, FALSE, \
__FILE__, __LINE__)
#define emalloc_zero(c) ereallocz(NULL, (c), 0, TRUE, \
__FILE__, __LINE__)
#define erealloc(p, c) ereallocz(p, (c), 0, FALSE, \
__FILE__, __LINE__)
#define erealloc_zero(p, n, o) ereallocz(p, n, (o), TRUE, \
__FILE__, __LINE__)
extern char * estrdup_impl (const char *, const char *, int);
#define estrdup(s) estrdup_impl((s), __FILE__, __LINE__)
#endif
extern int atoint (const char *, long *);
extern int atouint (const char *, u_long *);
extern int hextoint (const char *, u_long *);
extern char * humanlogtime (void);
extern char * inttoa (long);
extern char * mfptoa (u_long, u_long, short);
extern char * mfptoms (u_long, u_long, short);
extern const char * modetoa (int);
extern const char * eventstr (int);
extern const char * ceventstr (int);
extern char * statustoa (int, int);
extern const char * sysstatstr (int);
extern const char * peerstatstr (int);
extern const char * clockstatstr (int);
extern sockaddr_u * netof (sockaddr_u *);
extern char * numtoa (u_int32);
extern char * numtohost (u_int32);
extern char * socktoa (const sockaddr_u *);
extern char * socktohost (const sockaddr_u *);
extern int octtoint (const char *, u_long *);
extern u_long ranp2 (int);
extern char * refnumtoa (sockaddr_u *);
extern int tsftomsu (u_long, int);
extern char * uinttoa (u_long);
extern int decodenetnum (const char *, sockaddr_u *);
extern const char * FindConfig (const char *);
extern void signal_no_reset (int, RETSIGTYPE (*func)(int));
extern void getauthkeys (const char *);
extern void auth_agekeys (void);
extern void rereadkeys (void);
/*
* Variable declarations for libntp.
*/
/*
* Defined by any program.
*/
extern volatile int debug; /* debugging flag */
/* authkeys.c */
extern u_long authkeynotfound; /* keys not found */
extern u_long authkeylookups; /* calls to lookup keys */
extern u_long authnumkeys; /* number of active keys */
extern u_long authkeyexpired; /* key lifetime expirations */
extern u_long authkeyuncached; /* cache misses */
extern u_long authencryptions; /* calls to encrypt */
extern u_long authdecryptions; /* calls to decrypt */
extern int authnumfreekeys;
/*
* The key cache. We cache the last key we looked at here.
*/
extern keyid_t cache_keyid; /* key identifier */
extern u_char * cache_key; /* key pointer */
extern int cache_type; /* key type */
extern u_int cache_keylen; /* key length */
/* getopt.c */
extern char * ntp_optarg; /* global argument pointer */
extern int ntp_optind; /* global argv index */
/* lib_strbuf.c */
extern int ipv4_works;
extern int ipv6_works;
/* machines.c */
typedef void (*pset_tod_using)(const char *);
extern pset_tod_using set_tod_using;
/* ssl_init.c */
#ifdef OPENSSL
extern void ssl_init (void);
extern void ssl_check_version (void);
extern int ssl_init_done;
#define INIT_SSL() \
do { \
if (!ssl_init_done) \
ssl_init(); \
} while (0)
#else /* !OPENSSL follows */
#define INIT_SSL() do {} while (0)
#endif
extern int keytype_from_text (const char *, size_t *);
extern const char *keytype_name (int);
extern char * getpass_keytype (int);
/* lib/isc/win32/strerror.c
*
* To minimize Windows-specific changes to the rest of the NTP code,
* particularly reference clocks, we hijack calls to strerror() to deal
* with our mixture of error codes from the C runtime (open, write)
* and Windows (sockets, serial ports). This is an ugly hack because
* both use the lowest values differently, but particularly for ntpd,
* it's not a problem.
*/
#ifdef NTP_REDEFINE_STRERROR
#define strerror(e) ntp_strerror(e)
extern char * ntp_strerror (int e);
#endif
/* systime.c */
extern double sys_tick; /* adjtime() resolution */
/* version.c */
extern const char *Version; /* version declaration */
#endif /* NTP_STDLIB_H */
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