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

   1 /*      $NetBSD$        */
   2
   3 #ifndef NTP_IO_H
   4 #define NTP_IO_H
   5 /*
   6  * POSIX says use <fnct.h> to get O_* symbols and
   7  * SEEK_SET symbol form <unistd.h>.
   8  */
   9 #ifdef HAVE_CONFIG_H
  10 # include <config.h>
  11 #endif
  12
  13 #include <sys/types.h>
  14 #ifdef HAVE_UNISTD_H
  15 # include <unistd.h>
  16 #endif
  17 #include <stdio.h>
  18 #ifdef HAVE_SYS_FILE_H
  19 # include <sys/file.h>
  20 #endif
  21 #ifdef HAVE_FCNTL_H
  22 # include <fcntl.h>
  23 #endif
  24 #if !defined(SEEK_SET) && defined(L_SET)
  25 # define SEEK_SET L_SET
  26 #endif
  27
  28 #ifdef SYS_WINNT
  29 # include <io.h>
  30 # include "win32_io.h"
  31 #endif
  32
  33 #include <isc/boolean.h>
  34 #include <isc/netaddr.h>
  35
  36 #if HAVE_NETINET_IN_H && HAVE_NETINET_IP_H
  37 #include <netinet/in.h>
  38 # if HAVE_NETINET_IN_SYSTM_H
  39 #  include <netinet/in_systm.h>
  40 # endif
  41 #include <netinet/ip.h>
  42 #endif
  43
  44 /*
  45  * Define FNDELAY and FASYNC using O_NONBLOCK and O_ASYNC if we need
  46  * to (and can).  This is here initially for QNX, but may help for
  47  * others as well...
  48  */
  49 #ifndef FNDELAY
  50 # ifdef O_NONBLOCK
  51 #  define FNDELAY O_NONBLOCK
  52 # endif
  53 #endif
  54
  55 #ifndef FASYNC
  56 # ifdef O_ASYNC
  57 #  define FASYNC O_ASYNC
  58 # endif
  59 #endif
  60
  61
  62 /*
  63  * NIC rule match types
  64  */
  65 typedef enum {
  66         MATCH_ALL,
  67         MATCH_IPV4,
  68         MATCH_IPV6,
  69         MATCH_WILDCARD,
  70         MATCH_IFNAME,
  71         MATCH_IFADDR
  72 } nic_rule_match;
  73
  74
  75 /*
  76  * NIC rule actions
  77  */
  78 typedef enum {
  79         ACTION_LISTEN,
  80         ACTION_IGNORE,
  81         ACTION_DROP
  82 } nic_rule_action;
  83
  84
  85 isc_boolean_t   get_broadcastclient_flag(void);
  86 isc_boolean_t   is_ip_address(const char *, isc_netaddr_t *);
  87 extern void     sau_from_netaddr(sockaddr_u *, const isc_netaddr_t *);
  88 extern void add_nic_rule(nic_rule_match match_type, const char *if_name,
  89                          int prefixlen, nic_rule_action action);
  90
  91 #endif  /* NTP_IO_H */