plugins/common.h

   1 /*****************************************************************************
   2 *
   3 * Nagios plugins common include file
   4 *
   5 * License: GPL
   6 * Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)
   7 * Copyright (c) 2003-2007 Nagios Plugins Development Team
   8 *
   9 * Last Modified: $Date$
  10 *
  11 * Description:
  12 *
  13 * This file contains common include files and defines used in many of
  14 * the plugins.
  15 *
  16 *
  17 * This program is free software: you can redistribute it and/or modify
  18 * it under the terms of the GNU General Public License as published by
  19 * the Free Software Foundation, either version 3 of the License, or
  20 * (at your option) any later version.
  21 *
  22 * This program is distributed in the hope that it will be useful,
  23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25 * GNU General Public License for more details.
  26 *
  27 * You should have received a copy of the GNU General Public License
  28 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  29 *
  30 * $Id$
  31 *
  32 *****************************************************************************/
  33
  34 #ifndef _COMMON_H_
  35 #define _COMMON_H_
  36
  37 #include "config.h"
  38
  39 #ifdef HAVE_FEATURES_H
  40 #include <features.h>
  41 #endif
  42
  43 #include <stdio.h>                                                      /* obligatory includes */
  44 #include <stdlib.h>
  45 #include <errno.h>
  46
  47 /* This block provides uintmax_t - should be reported to coreutils that this should be added to fsuage.h */
  48 #if HAVE_INTTYPES_H
  49 # include <inttypes.h>
  50 #endif
  51 #if HAVE_STDINT_H
  52 # include <stdint.h>
  53 #endif
  54 #include <unistd.h>
  55 #ifndef UINTMAX_MAX
  56 # define UINTMAX_MAX ((uintmax_t) -1)
  57 #endif
  58
  59 #include <limits.h>     /* This is assumed true, because coreutils assume it too */
  60
  61 #ifdef HAVE_MATH_H
  62 #include <math.h>
  63 #endif
  64
  65 #ifdef HAVE_STRINGS_H
  66 #include <strings.h>
  67 #endif
  68 #ifdef HAVE_STRING_H
  69 #include <string.h>
  70 #endif
  71
  72 #ifdef HAVE_UNISTD_H
  73 #include <unistd.h>
  74 #endif
  75
  76 /* GET_NUMBER_OF_CPUS is a macro to return
  77    number of CPUs, if we can get that data.
  78    Use configure.in to test for various OS ways of
  79    getting that data
  80    Will return -1 if cannot get data
  81 */
  82 #ifdef HAVE_SYSCONF__SC_NPROCESSORS_CONF
  83 #define GET_NUMBER_OF_CPUS() sysconf(_SC_NPROCESSORS_CONF)
  84 #else
  85 #define GET_NUMBER_OF_CPUS() -1
  86 #endif
  87
  88 #ifdef TIME_WITH_SYS_TIME
  89 # include <sys/time.h>
  90 # include <time.h>
  91 #else
  92 # ifdef HAVE_SYS_TIME_H
  93 #  include <sys/time.h>
  94 # else
  95 #  include <time.h>
  96 # endif
  97 #endif
  98
  99 #ifdef HAVE_SYS_TYPES_H
 100 #include <sys/types.h>
 101 #endif
 102
 103 #ifdef HAVE_SYS_SOCKET_H
 104 #include <sys/socket.h>
 105 #endif
 106
 107 #ifdef HAVE_SIGNAL_H
 108 #include <signal.h>
 109 #endif
 110
 111 /* GNU Libraries */
 112 #include <getopt.h>
 113 #include "dirname.h"
 114
 115 #ifdef HAVE_LOCALE_H
 116 #include <locale.h>
 117 #endif
 118
 119 #ifdef HAVE_SYS_POLL_H
 120 # include "sys/poll.h"
 121 #endif
 122
 123 /*
 124  *
 125  * Missing Functions
 126  *
 127  */
 128
 129 #ifndef HAVE_STRTOL
 130 # define strtol(a,b,c) atol((a))
 131 #endif
 132
 133 #ifndef HAVE_STRTOUL
 134 # define strtoul(a,b,c) (unsigned long)atol((a))
 135 #endif
 136
 137 /* SSL implementations */
 138 #ifdef HAVE_GNUTLS_OPENSSL_H
 139 #  include <gnutls/openssl.h>
 140 #else
 141 #  ifdef HAVE_SSL_H
 142 #    include <rsa.h>
 143 #    include <crypto.h>
 144 #    include <x509.h>
 145 #    include <pem.h>
 146 #    include <ssl.h>
 147 #    include <err.h>
 148 #  else
 149 #    ifdef HAVE_OPENSSL_SSL_H
 150 #      include <openssl/rsa.h>
 151 #      include <openssl/crypto.h>
 152 #      include <openssl/x509.h>
 153 #      include <openssl/pem.h>
 154 #      include <openssl/ssl.h>
 155 #      include <openssl/err.h>
 156 #    endif
 157 #  endif
 158 #endif
 159
 160 /*
 161  *
 162  * Standard Values
 163  *
 164  */
 165
 166 enum {
 167         OK = 0,
 168         ERROR = -1
 169 };
 170
 171 /* AIX seems to have this defined somewhere else */
 172 #ifndef FALSE
 173 enum {
 174         FALSE,
 175         TRUE
 176 };
 177 #endif
 178
 179 enum {
 180         STATE_OK,
 181         STATE_WARNING,
 182         STATE_CRITICAL,
 183         STATE_UNKNOWN,
 184         STATE_DEPENDENT
 185 };
 186
 187 enum {
 188         DEFAULT_SOCKET_TIMEOUT = 10,     /* timeout after 10 seconds */
 189         MAX_INPUT_BUFFER = 8192,             /* max size of most buffers we use */
 190         MAX_HOST_ADDRESS_LENGTH = 256    /* max size of a host address */
 191 };
 192
 193 /*
 194  *
 195  * Internationalization
 196  *
 197  */
 198 #include "gettext.h"
 199 #define _(String) gettext (String)
 200 #if ! ENABLE_NLS
 201 # undef textdomain
 202 # define textdomain(Domainname) /* empty */
 203 # undef bindtextdomain
 204 # define bindtextdomain(Domainname, Dirname) /* empty */
 205 #endif
 206
 207 /* For non-GNU compilers to ignore __attribute__ */
 208 #ifndef __GNUC__
 209 # define __attribute__(x) /* do nothing */
 210 #endif
 211
 212 #endif /* _COMMON_H_ */