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