external/bsd/ntp/dist/include/ntp_stdlib.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * ntp_stdlib.h - Prototypes for NTP lib.
   5  */
   6 #ifndef NTP_STDLIB_H
   7 #define NTP_STDLIB_H
   8
   9 #include <sys/types.h>
  10 #ifdef HAVE_SYS_SOCKET_H
  11 #include <sys/socket.h>
  12 #endif
  13
  14 #include "l_stdlib.h"
  15 #include "ntp_rfc2553.h"
  16 #include "ntp_types.h"
  17 #include "ntp_string.h"
  18 #include "ntp_net.h"
  19 #include "ntp_syslog.h"
  20
  21
  22 /*
  23  * Handle gcc __attribute__ if available.
  24  */
  25 #ifndef __attribute__
  26 /* This feature is available in gcc versions 2.5 and later.  */
  27 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || (defined(__STRICT_ANSI__))
  28 #  define __attribute__(Spec) /* empty */
  29 # endif
  30 /* The __-protected variants of `format' and `printf' attributes
  31    are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
  32 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
  33 #  define __format__ format
  34 #  define __printf__ printf
  35 # endif
  36 #endif
  37
  38 extern  void    msyslog         (int, const char *, ...)
  39                                 __attribute__((__format__(__printf__, 2, 3)));
  40
  41 /*
  42  * When building without OpenSSL, use a few macros of theirs to
  43  * minimize source differences in NTP.
  44  */
  45 #ifndef OPENSSL
  46 #define NID_md5 4       /* from openssl/objects.h */
  47 /* from openssl/evp.h */
  48 #define EVP_MAX_MD_SIZE 64      /* longest known is SHA512 */
  49 #endif
  50
  51 extern  void    auth_delkeys    (void);
  52 extern  int     auth_havekey    (keyid_t);
  53 extern  int     authdecrypt     (keyid_t, u_int32 *, int, int);
  54 extern  int     authencrypt     (keyid_t, u_int32 *, int);
  55 extern  int     authhavekey     (keyid_t);
  56 extern  int     authistrusted   (keyid_t);
  57 extern  int     authreadkeys    (const char *);
  58 extern  void    authtrust       (keyid_t, u_long);
  59 extern  int     authusekey      (keyid_t, int, const u_char *);
  60
  61 extern  u_long  calyearstart    (u_long);
  62 extern  const char *clockname   (int);
  63 extern  int     clocktime       (int, int, int, int, int, u_long, u_long *, u_int32 *);
  64 #if !defined(_MSC_VER) || !defined(_DEBUG)
  65 extern  void *  emalloc         (size_t);
  66 extern  void *  erealloc        (void *, size_t);
  67 extern  char *  estrdup         (const char *);
  68 #else
  69 extern  void *  debug_erealloc  (void *, size_t, const char *, int);
  70 #define         emalloc(c)      debug_erealloc(NULL, (c), __FILE__, __LINE__)
  71 #define         erealloc(p, c)  debug_erealloc((p), (c), __FILE__, __LINE__)
  72 extern  char *  debug_estrdup   (const char *, const char *, int);
  73 #define         estrdup(s)      debug_estrdup((s), __FILE__, __LINE__)
  74 #endif
  75 extern  int     ntp_getopt      (int, char **, const char *);
  76 extern  void    init_auth       (void);
  77 extern  void    init_lib        (void);
  78 extern  struct savekey *auth_findkey (keyid_t);
  79 extern  int     auth_moremem    (void);
  80 extern  int     ymd2yd          (int, int, int);
  81
  82 /* a_md5encrypt.c */
  83 extern  int     MD5authdecrypt  (int, u_char *, u_int32 *, int, int);
  84 extern  int     MD5authencrypt  (int, u_char *, u_int32 *, int);
  85 extern  void    MD5auth_setkey  (keyid_t, int, const u_char *, const int);
  86 extern  u_int32 addr2refid      (sockaddr_u *);
  87
  88
  89 extern  int     atoint          (const char *, long *);
  90 extern  int     atouint         (const char *, u_long *);
  91 extern  int     hextoint        (const char *, u_long *);
  92 extern  char *  humanlogtime    (void);
  93 extern  char *  inttoa          (long);
  94 extern  char *  mfptoa          (u_long, u_long, short);
  95 extern  char *  mfptoms         (u_long, u_long, short);
  96 extern  const char * modetoa    (int);
  97 extern  const char * eventstr   (int);
  98 extern  const char * ceventstr  (int);
  99 extern  char *  statustoa       (int, int);
 100 extern  const char * sysstatstr (int);
 101 extern  const char * peerstatstr (int);
 102 extern  const char * clockstatstr (int);
 103 extern  sockaddr_u * netof      (sockaddr_u *);
 104 extern  char *  numtoa          (u_int32);
 105 extern  char *  numtohost       (u_int32);
 106 extern  char *  socktoa         (sockaddr_u *);
 107 extern  char *  socktohost      (sockaddr_u *);
 108 extern  int     octtoint        (const char *, u_long *);
 109 extern  u_long  ranp2           (int);
 110 extern  char *  refnumtoa       (sockaddr_u *);
 111 extern  int     tsftomsu        (u_long, int);
 112 extern  char *  uinttoa         (u_long);
 113
 114 extern  int     decodenetnum    (const char *, sockaddr_u *);
 115
 116 extern  const char * FindConfig (const char *);
 117
 118 extern  void    signal_no_reset (int, RETSIGTYPE (*func)(int));
 119
 120 extern  void    getauthkeys     (const char *);
 121 extern  void    auth_agekeys    (void);
 122 extern  void    rereadkeys      (void);
 123
 124 /*
 125  * Variable declarations for libntp.
 126  */
 127
 128 /*
 129  * Defined by any program.
 130  */
 131 extern volatile int debug;              /* debugging flag */
 132
 133 /* authkeys.c */
 134 extern u_long   authkeynotfound;        /* keys not found */
 135 extern u_long   authkeylookups;         /* calls to lookup keys */
 136 extern u_long   authnumkeys;            /* number of active keys */
 137 extern u_long   authkeyexpired;         /* key lifetime expirations */
 138 extern u_long   authkeyuncached;        /* cache misses */
 139 extern u_long   authencryptions;        /* calls to encrypt */
 140 extern u_long   authdecryptions;        /* calls to decrypt */
 141
 142 extern int      authnumfreekeys;
 143
 144 /*
 145  * The key cache. We cache the last key we looked at here.
 146  */
 147 extern keyid_t  cache_keyid;            /* key identifier */
 148 extern u_char * cache_key;              /* key pointer */
 149 extern u_int    cache_keylen;           /* key length */
 150
 151 /* getopt.c */
 152 extern char *   ntp_optarg;             /* global argument pointer */
 153 extern int      ntp_optind;             /* global argv index */
 154
 155 /* lib_strbuf.c */
 156 extern int      ipv4_works;
 157 extern int      ipv6_works;
 158
 159 /* machines.c */
 160 typedef void (*pset_tod_using)(const char *);
 161 extern pset_tod_using   set_tod_using;
 162
 163 /* ssl_init.c */
 164 #ifdef OPENSSL
 165 extern  void    ssl_init                (void);
 166 extern  void    ssl_check_version       (void);
 167 extern  int     ssl_init_done;
 168 #define INIT_SSL()                              \
 169         do {                                    \
 170                 if (!ssl_init_done)             \
 171                         ssl_init();             \
 172         } while (0)
 173 #else   /* !OPENSSL follows */
 174 #define INIT_SSL()              do {} while (0)
 175 #endif
 176 extern  int     keytype_from_text       (const char *,  size_t *);
 177 extern  const char *keytype_name        (int);
 178
 179
 180 /* lib/isc/win32/strerror.c
 181  *
 182  * To minimize Windows-specific changes to the rest of the NTP code,
 183  * particularly reference clocks, we hijack calls to strerror() to deal
 184  * with our mixture of error codes from the  C runtime (open, write)
 185  * and Windows (sockets, serial ports).  This is an ugly hack because
 186  * both use the lowest values differently, but particularly for ntpd,
 187  * it's not a problem.
 188  */
 189 #ifdef NTP_REDEFINE_STRERROR
 190 #define strerror(e)     ntp_strerror(e)
 191 extern char *   ntp_strerror    (int e);
 192 #endif
 193
 194 /* systime.c */
 195 extern double   sys_tick;               /* adjtime() resolution */
 196
 197 /* version.c */
 198 extern const char *Version;             /* version declaration */
 199
 200 #endif  /* NTP_STDLIB_H */