X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_ping.c;h=ecdd61835e7508b09f3747440d4f19a72f9104f7;hb=refs%2Fheads%2Fsh%2Fcheck_pgsql;hp=fd73b8cef8eb8f55d7f2e9506825d6cf7291a16a;hpb=a228492c4bea15a3e6e7bdbfd6631611c97fe92c;p=nagiosplug.git diff --git a/plugins/check_ping.c b/plugins/check_ping.c index fd73b8c..ecdd618 100644 --- a/plugins/check_ping.c +++ b/plugins/check_ping.c @@ -1,24 +1,35 @@ -/****************************************************************************** - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -******************************************************************************/ +/***************************************************************************** +* +* Nagios check_ping plugin +* +* License: GPL +* Copyright (c) 2000-2007 Nagios Plugins Development Team +* +* Description: +* +* This file contains the check_ping plugin +* +* Use the ping program to check connection statistics for a remote host. +* +* +* This program is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program. If not, see . +* +* +*****************************************************************************/ const char *progname = "check_ping"; -const char *revision = "$Revision$"; -const char *copyright = "2000-2003"; +const char *copyright = "2000-2007"; const char *email = "nagiosplug-devel@lists.sourceforge.net"; #include "common.h" @@ -37,7 +48,8 @@ enum { int process_arguments (int, char **); int get_threshold (char *, float *, int *); int validate_arguments (void); -int run_ping (char *, char *); +int run_ping (const char *cmd, const char *addr); +int error_scan (char buf[MAX_INPUT_BUFFER], const char *addr); void print_usage (void); void print_help (void); @@ -47,10 +59,10 @@ int cpl = UNKNOWN_PACKET_LOSS; float wrta = UNKNOWN_TRIP_TIME; float crta = UNKNOWN_TRIP_TIME; char **addresses = NULL; -int n_addresses; +int n_addresses = 0; int max_addr = 1; int max_packets = -1; -int verbose = FALSE; +int verbose = 0; float rta = UNKNOWN_TRIP_TIME; int pl = UNKNOWN_PACKET_LOSS; @@ -59,55 +71,66 @@ char *warn_text; - - int main (int argc, char **argv) { char *cmd = NULL; + char *rawcmd = NULL; int result = STATE_UNKNOWN; int this_result = STATE_UNKNOWN; int i; - addresses = malloc ((size_t)max_addr); + setlocale (LC_ALL, ""); + setlocale (LC_NUMERIC, "C"); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + + addresses = malloc (sizeof(char*) * max_addr); + addresses[0] = NULL; + + /* Parse extra opts if any */ + argv=np_extra_opts (&argc, argv, progname); if (process_arguments (argc, argv) == ERROR) - usage (_("Could not parse arguments")); + usage4 (_("Could not parse arguments")); /* Set signal handling and alarm */ if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) { - printf (_("Cannot catch SIGALRM")); - return STATE_UNKNOWN; + usage4 (_("Cannot catch SIGALRM")); } - /* handle timeouts gracefully */ + /* If ./configure finds ping has timeout values, set plugin alarm slightly + * higher so that we can use response from command line ping */ +#if defined(PING_PACKETS_FIRST) && defined(PING_HAS_TIMEOUT) + alarm (timeout_interval + 1); +#else alarm (timeout_interval); +#endif for (i = 0 ; i < n_addresses ; i++) { - /* does the host address of number of packets argument come first? */ #ifdef PING6_COMMAND -# ifdef PING_PACKETS_FIRST - if (is_inet6_addr(addresses[i]) && address_family != AF_INET) - asprintf (&cmd, PING6_COMMAND, max_packets, addresses[i]); - else - asprintf (&cmd, PING_COMMAND, max_packets, addresses[i]); -# else - if (is_inet6_addr(addresses[i]) && address_family != AF_INET) - asprintf (&cmd, PING6_COMMAND, addresses[i], max_packets); - else - asprintf (&cmd, PING_COMMAND, addresses[i], max_packets); -# endif -#else /* USE_IPV6 */ -# ifdef PING_PACKETS_FIRST - asprintf (&cmd, PING_COMMAND, max_packets, addresses[i]); + if (address_family != AF_INET && is_inet6_addr(addresses[i])) + rawcmd = strdup(PING6_COMMAND); + else + rawcmd = strdup(PING_COMMAND); +#else + rawcmd = strdup(PING_COMMAND); +#endif + + /* does the host address of number of packets argument come first? */ +#ifdef PING_PACKETS_FIRST +# ifdef PING_HAS_TIMEOUT + asprintf (&cmd, rawcmd, timeout_interval, max_packets, addresses[i]); # else - asprintf (&cmd, PING_COMMAND, addresses[i], max_packets); + asprintf (&cmd, rawcmd, max_packets, addresses[i]); # endif -#endif /* USE_IPV6 */ +#else + asprintf (&cmd, rawcmd, addresses[i], max_packets); +#endif - if (verbose) - printf ("%s ==> ", cmd); + if (verbose >= 2) + printf ("CMD: %s\n", cmd); /* run the command */ this_result = run_ping (cmd, addresses[i]); @@ -115,7 +138,7 @@ main (int argc, char **argv) if (pl == UNKNOWN_PACKET_LOSS || rta < 0.0) { printf ("%s\n", cmd); die (STATE_UNKNOWN, - _("Error: Could not interpret output from ping command\n")); + _("CRITICAL - Could not interpret output from ping command\n")); } if (pl >= cpl || rta >= crta || rta < 0) @@ -123,8 +146,8 @@ main (int argc, char **argv) else if (pl >= wpl || rta >= wrta) this_result = STATE_WARNING; else if (pl >= 0 && rta >= 0) - this_result = max_state (STATE_OK, this_result); - + this_result = max_state (STATE_OK, this_result); + if (n_addresses > 1 && this_result != STATE_UNKNOWN) die (STATE_OK, "%s is alive\n", addresses[i]); @@ -138,13 +161,23 @@ main (int argc, char **argv) state_text (this_result), warn_text, pl, rta); if (display_html == TRUE) printf (""); - printf ("\n"); - if (verbose) + /* Print performance data */ + printf("|%s", fperfdata ("rta", (double) rta, "ms", + wrta>0?TRUE:FALSE, wrta, + crta>0?TRUE:FALSE, crta, + TRUE, 0, FALSE, 0)); + printf(" %s\n", perfdata ("pl", (long) pl, "%", + wpl>0?TRUE:FALSE, wpl, + cpl>0?TRUE:FALSE, cpl, + TRUE, 0, FALSE, 0)); + + if (verbose >= 2) printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl); result = max_state (result, this_result); - + free (rawcmd); + free (cmd); } return result; @@ -152,9 +185,6 @@ main (int argc, char **argv) - - - /* process command-line arguments */ int process_arguments (int argc, char **argv) @@ -162,8 +192,8 @@ process_arguments (int argc, char **argv) int c = 1; char *ptr; - int option_index = 0; - static struct option long_options[] = { + int option = 0; + static struct option longopts[] = { STD_LONG_OPTS, {"packets", required_argument, 0, 'p'}, {"nohtml", no_argument, 0, 'n'}, @@ -184,28 +214,27 @@ process_arguments (int argc, char **argv) } while (1) { - c = getopt_long (argc, argv, "VvhnL46t:c:w:H:p:", long_options, &option_index); + c = getopt_long (argc, argv, "VvhnL46t:c:w:H:p:", longopts, &option); if (c == -1 || c == EOF) break; switch (c) { case '?': /* usage */ - usage3 (_("Unknown argument"), optopt); - break; + usage5 (); case 'h': /* help */ print_help (); exit (STATE_OK); break; case 'V': /* version */ - print_revision (progname, revision); + print_revision (progname, NP_VERSION); exit (STATE_OK); break; case 't': /* timeout period */ timeout_interval = atoi (optarg); break; case 'v': /* verbose mode */ - verbose = TRUE; + verbose++; break; case '4': /* IPv4 only */ address_family = AF_INET; @@ -223,7 +252,7 @@ process_arguments (int argc, char **argv) n_addresses++; if (n_addresses > max_addr) { max_addr *= 2; - addresses = realloc (addresses, (size_t)max_addr); + addresses = realloc (addresses, sizeof(char*) * max_addr); if (addresses == NULL) die (STATE_UNKNOWN, _("Could not realloc() addresses\n")); } @@ -263,10 +292,10 @@ process_arguments (int argc, char **argv) if (addresses[0] == NULL) { if (is_host (argv[c]) == FALSE) { - printf (_("Invalid host name/address: %s\n\n"), argv[c]); - return ERROR; + usage2 (_("Invalid hostname/address"), argv[c]); } else { addresses[0] = argv[c++]; + n_addresses++; if (c == argc) return validate_arguments (); } @@ -328,6 +357,8 @@ process_arguments (int argc, char **argv) return validate_arguments (); } + + int get_threshold (char *arg, float *trta, int *tpl) { @@ -335,13 +366,15 @@ get_threshold (char *arg, float *trta, int *tpl) return OK; else if (strpbrk (arg, ",:") && strstr (arg, "%") && sscanf (arg, "%f%*[:,]%d%%", trta, tpl) == 2) return OK; - else if (strstr (arg, "%") && sscanf (arg, "%d%%", tpl) == 1) + else if (strstr (arg, "%") && sscanf (arg, "%d%%", tpl) == 1) return OK; usage2 (_("%s: Warning threshold must be integer or percentage!\n\n"), arg); return STATE_UNKNOWN; } + + int validate_arguments () { @@ -382,7 +415,11 @@ validate_arguments () for (i=0; i= 3) + printf("Output: %s", buf); + + result = max_state (result, error_scan (buf, addr)); /* get the percent loss statistics */ if(sscanf(buf,"%*d packets transmitted, %*d packets received, +%*d errors, %d%% packet loss",&pl)==1 || - sscanf(buf,"%*d packets transmitted, %*d packets received, %d%% packet loss",&pl)==1 || + sscanf(buf,"%*d packets transmitted, %*d packets received, +%*d duplicates, %d%% packet loss", &pl) == 1 || + sscanf(buf,"%*d packets transmitted, %*d received, +%*d duplicates, %d%% packet loss", &pl) == 1 || + sscanf(buf,"%*d packets transmitted, %*d packets received, %d%% packet loss",&pl)==1 || sscanf(buf,"%*d packets transmitted, %*d packets received, %d%% loss, time",&pl)==1 || - sscanf(buf,"%*d packets transmitted, %*d received, %d%% loss, time", &pl)==1) + sscanf(buf,"%*d packets transmitted, %*d received, %d%% loss, time", &pl)==1 || + sscanf(buf,"%*d packets transmitted, %*d received, %d%% packet loss, time", &pl)==1 || + sscanf(buf,"%*d packets transmitted, %*d received, +%*d errors, %d%% packet loss", &pl) == 1 || + sscanf(buf,"%*d packets transmitted %*d received, +%*d errors, %d%% packet loss", &pl) == 1 + ) continue; /* get the round trip average */ @@ -430,6 +468,7 @@ run_ping (char *cmd, char *server_address) sscanf(buf,"round-trip min/avg/max/stddev = %*f/%f/%*f/%*f",&rta)==1 || sscanf(buf,"round-trip min/avg/max/std-dev = %*f/%f/%*f/%*f",&rta)==1 || sscanf(buf,"round-trip (ms) min/avg/max = %*f/%f/%*f",&rta)==1 || + sscanf(buf,"round-trip (ms) min/avg/max/stddev = %*f/%f/%*f/%*f",&rta)==1 || sscanf(buf,"rtt min/avg/max/mdev = %*f/%f/%*f/%*f ms",&rta)==1) continue; } @@ -438,34 +477,24 @@ run_ping (char *cmd, char *server_address) if (pl == 100) rta = crta; - /* check stderr */ + /* check stderr, setting at least WARNING if there is output here */ + /* Add warning into warn_text */ while (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr)) { - if (strstr(buf,"Warning: no SO_TIMESTAMP support, falling back to SIOCGSTAMP")) - continue; - - if (strstr (buf, "Network is unreachable")) - die (STATE_CRITICAL, - _("PING CRITICAL - Network unreachable (%s)"), - server_address); - else if (strstr (buf, "Destination Host Unreachable")) - die (STATE_CRITICAL, - _("PING CRITICAL - Host Unreachable (%s)"), - server_address); - else if (strstr (buf, "unknown host" )) - die (STATE_CRITICAL, - _("PING CRITICAL - Host not found (%s)"), - server_address); - - if (warn_text == NULL) - warn_text = strdup (buf); - else if (asprintf (&warn_text, "%s %s", warn_text, buf) == -1) - die (STATE_UNKNOWN, _("unable to realloc warn_text")); - - if (strstr (buf, "DUPLICATES FOUND")) - result = max_state (result, STATE_WARNING); - else - result = STATE_CRITICAL ; + if (! strstr(buf,"WARNING - no SO_TIMESTAMP support, falling back to SIOCGSTAMP")) { + if (verbose >= 3) { + printf("Got stderr: %s", buf); + } + if ((result=error_scan(buf, addr)) == STATE_OK) { + result = STATE_WARNING; + if (warn_text == NULL) { + warn_text = strdup(_("System call sent warnings to stderr ")); + } else { + asprintf(&warn_text, "%s %s", warn_text, _("System call sent warnings to stderr ")); + } + } + } } + (void) fclose (child_stderr); @@ -481,59 +510,95 @@ run_ping (char *cmd, char *server_address) - - - -void -print_usage (void) +int +error_scan (char buf[MAX_INPUT_BUFFER], const char *addr) { - printf (\ -"Usage: %s -H -w ,%% -c ,%%\n\ - [-p packets] [-t timeout] [-L] [-4|-6]\n", progname); - printf (_(UT_HLP_VRS), progname, progname); + if (strstr (buf, "Network is unreachable") || + strstr (buf, "Destination Net Unreachable") + ) + die (STATE_CRITICAL, _("CRITICAL - Network Unreachable (%s)"), addr); + else if (strstr (buf, "Destination Host Unreachable")) + die (STATE_CRITICAL, _("CRITICAL - Host Unreachable (%s)"), addr); + else if (strstr (buf, "Destination Port Unreachable")) + die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Port Unreachable (%s)"), addr); + else if (strstr (buf, "Destination Protocol Unreachable")) + die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Protocol Unreachable (%s)"), addr); + else if (strstr (buf, "Destination Net Prohibited")) + die (STATE_CRITICAL, _("CRITICAL - Network Prohibited (%s)"), addr); + else if (strstr (buf, "Destination Host Prohibited")) + die (STATE_CRITICAL, _("CRITICAL - Host Prohibited (%s)"), addr); + else if (strstr (buf, "Packet filtered")) + die (STATE_CRITICAL, _("CRITICAL - Packet Filtered (%s)"), addr); + else if (strstr (buf, "unknown host" )) + die (STATE_CRITICAL, _("CRITICAL - Host not found (%s)"), addr); + else if (strstr (buf, "Time to live exceeded")) + die (STATE_CRITICAL, _("CRITICAL - Time to live exceeded (%s)"), addr); + + if (strstr (buf, "(DUP!)") || strstr (buf, "DUPLICATES FOUND")) { + if (warn_text == NULL) + warn_text = strdup (_(WARN_DUPLICATES)); + else if (! strstr (warn_text, _(WARN_DUPLICATES)) && + asprintf (&warn_text, "%s %s", warn_text, _(WARN_DUPLICATES)) == -1) + die (STATE_UNKNOWN, _("Unable to realloc warn_text")); + return (STATE_WARNING); + } + + return (STATE_OK); } + + void print_help (void) { - print_revision (progname, revision); + print_revision (progname, NP_VERSION); + + printf ("Copyright (c) 1999 Ethan Galstad \n"); + printf (COPYRIGHT, copyright, email); - printf (_("Copyright (c) 1999 Ethan Galstad ")); - printf (_(COPYRIGHT), copyright, email); + printf (_("Use ping to check connection statistics for a remote host.")); - printf (_("Use ping to check connection statistics for a remote host.\n\n")); + printf ("\n\n"); print_usage (); - printf (_(UT_HELP_VRSN)); - - printf (_(UT_IPv46)); - - printf (_("\ --H, --hostname=HOST\n\ - host to ping\n\ --w, --warning=THRESHOLD\n\ - warning threshold pair\n\ --c, --critical=THRESHOLD\n\ - critical threshold pair\n\ --p, --packets=INTEGER\n\ - number of ICMP ECHO packets to send (Default: %d)\n\ --L, --link\n\ - show HTML in the plugin output (obsoleted by urlize)\n"), - DEFAULT_MAX_PACKETS); - - printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT); - - printf (_("\ -THRESHOLD is ,%% where is the round trip average travel\n\ -time (ms) which triggers a WARNING or CRITICAL state, and is the\n\ -percentage of packet loss to trigger an alarm state.\n\n")); - - printf (_("\ -This plugin uses the ping command to probe the specified host for packet loss\n\ -(percentage) and round trip average (milliseconds). It can produce HTML output\n\ -linking to a traceroute CGI contributed by Ian Cass. The CGI can be found in\n\ -the contrib area of the downloads section at http://www.nagios.org\n\n")); - - printf (_(UT_SUPPORT)); + printf (UT_HELP_VRSN); + printf (UT_EXTRA_OPTS); + + printf (UT_IPv46); + + printf (" %s\n", "-H, --hostname=HOST"); + printf (" %s\n", _("host to ping")); + printf (" %s\n", "-w, --warning=THRESHOLD"); + printf (" %s\n", _("warning threshold pair")); + printf (" %s\n", "-c, --critical=THRESHOLD"); + printf (" %s\n", _("critical threshold pair")); + printf (" %s\n", "-p, --packets=INTEGER"); + printf (" %s ", _("number of ICMP ECHO packets to send")); + printf (_("(Default: %d)\n"), DEFAULT_MAX_PACKETS); + printf (" %s\n", "-L, --link"); + printf (" %s\n", _("show HTML in the plugin output (obsoleted by urlize)")); + + printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT); + + printf ("\n"); + printf ("%s\n", _("THRESHOLD is ,% where is the round trip average travel")); + printf ("%s\n", _("time (ms) which triggers a WARNING or CRITICAL state, and is the")); + printf ("%s\n", _("percentage of packet loss to trigger an alarm state.")); + + printf ("\n"); + printf ("%s\n", _("This plugin uses the ping command to probe the specified host for packet loss")); + printf ("%s\n", _("(percentage) and round trip average (milliseconds). It can produce HTML output")); + printf ("%s\n", _("linking to a traceroute CGI contributed by Ian Cass. The CGI can be found in")); + printf ("%s\n", _("the contrib area of the downloads section at http://www.nagios.org/")); + + printf (UT_SUPPORT); +} + +void +print_usage (void) +{ + printf ("%s\n", _("Usage:")); + printf ("%s -H -w ,%% -c ,%%\n", progname); + printf (" [-p packets] [-t timeout] [-4|-6]\n"); }