includes/cf/linux.h

   1 /* linux.h
   2
   3    System dependencies for Linux.
   4
   5    Based on a configuration originally supplied by Jonathan Stone. */
   6
   7 /*
   8  * Copyright (c) 1996, 1998, 1999 The Internet Software Consortium.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  *
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of The Internet Software Consortium nor the names of its
  21  *    contributors may be used to endorse or promote products derived
  22  *    from this software without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
  25  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  26  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  27  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
  28  * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  33  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  35  * OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #include <features.h>
  39 #ifndef __BIT_TYPES_DEFINED__
  40 #define __BIT_TYPES_DEFINED__
  41 #undef __USE_BSD
  42 typedef char int8_t;
  43 typedef short int16_t;
  44 typedef long int32_t;
  45
  46 typedef unsigned char u_int8_t;
  47 typedef unsigned short u_int16_t;
  48 typedef unsigned long u_int32_t;
  49 #endif /* __BIT_TYPES_DEFINED__ */
  50
  51 typedef u_int8_t u8;
  52 typedef u_int16_t u16;
  53 typedef u_int32_t u32;
  54
  55 #include <syslog.h>
  56 #include <sys/types.h>
  57 #include <string.h>
  58 #include <errno.h>
  59 #include <unistd.h>
  60 #include <sys/wait.h>
  61 #include <signal.h>
  62 #include <setjmp.h>
  63 #include <limits.h>
  64
  65 extern int h_errno;
  66
  67 #include <net/if.h>
  68 #include <net/route.h>
  69
  70 #if LINUX_MAJOR == 1
  71 # include <linux/if_arp.h>
  72 # include <linux/time.h>                /* also necessary */
  73 #else
  74 # include <net/if_arp.h>
  75 #endif
  76
  77 #include <sys/time.h>           /* gettimeofday()*/
  78
  79 /* Databases go in /var/state/dhcp.   It would also be valid to put them
  80    in /var/state/misc - indeed, given that there's only one lease file, it
  81    would probably be better.   However, I have some ideas for optimizing
  82    the lease database that may result in a _lot_ of smaller files being
  83    created, so in that context it makes more sense to have a seperate
  84    directory. */
  85
  86 #ifndef _PATH_DHCPD_DB
  87 #define _PATH_DHCPD_DB          "/var/state/dhcp/dhcpd.leases"
  88 #endif
  89
  90 #ifndef _PATH_DHCLIENT_DB
  91 #define _PATH_DHCLIENT_DB       "/var/state/dhcp/dhclient.leases"
  92 #endif
  93
  94 /* Varargs stuff... */
  95 #include <stdarg.h>
  96 #define VA_DOTDOTDOT ...
  97 #define VA_start(list, last) va_start (list, last)
  98 #define va_dcl
  99
 100 #define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
 101 #define NO_SNPRINTF
 102
 103 #define VOIDPTR void *
 104
 105 #define EOL     '\n'
 106
 107 /* Time stuff... */
 108
 109 #include <time.h>
 110
 111 #define TIME time_t
 112 #define GET_TIME(x)     time ((x))
 113
 114 #if (LINUX_MAJOR >= 2)
 115 # if (LINUX_MINOR >= 1)
 116 #  if defined (USE_DEFAULT_NETWORK)
 117 #   define USE_LPF
 118 #  endif
 119 #  define LINUX_SLASHPROC_DISCOVERY
 120 #  define PROCDEV_DEVICE "/proc/net/dev"
 121 #  define HAVE_ARPHRD_TUNNEL
 122 # endif
 123 # define HAVE_ARPHRD_METRICOM
 124 # define HAVE_ARPHRD_IEEE802
 125 # define HAVE_ARPHRD_LOOPBACK
 126 # define HAVE_SO_BINDTODEVICE
 127 # define HAVE_SIOCGIFHWADDR
 128 #endif
 129
 130 #if !defined (USE_LPF)
 131 # if defined (USE_DEFAULT_NETWORK)
 132 #  define USE_SOCKETS
 133 # endif
 134 # define IGNORE_HOSTUNREACH
 135 #endif
 136
 137 #define ALIAS_NAMES_PERMUTED
 138 #define SKIP_DUMMY_INTERFACES