X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_ping.c;h=ecdd61835e7508b09f3747440d4f19a72f9104f7;hb=eaf3cb27f4b5bae479014a34c7decd3feedcf8fd;hp=420f148c140bdcf77883e6d083a7b23d5411a6ca;hpb=d36016a7adf28424d7f4adaa50612c41f1937c3b;p=nagiosplug.git diff --git a/plugins/check_ping.c b/plugins/check_ping.c index 420f148..ecdd618 100644 --- a/plugins/check_ping.c +++ b/plugins/check_ping.c @@ -1,65 +1,55 @@ /***************************************************************************** -* -* CHECK_PING.C -* -* Program: Ping plugin for Nagios +* +* Nagios check_ping plugin +* * License: GPL -* Copyright (c) 1999 Ethan Galstad (nagios@nagios.org) -* -* $Id$ -* +* 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 . +* +* *****************************************************************************/ -#define PROGNAME "check_ping" -#define REVISION "$Revision$" -#define COPYRIGHT "1999-2001" -#define AUTHOR "Ethan Galstad/Karl DeBisschop" -#define EMAIL "kdebisschop@users.sourceforge.net" -#define SUMMARY "Use ping to check connection statistics for a remote host.\n" - -#define OPTIONS "\ --H -w ,%% -c ,%%\n\ - [-p packets] [-t timeout] [-L]\n" - -#define LONGOPTIONS "\ --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\ --t, --timeout=INTEGER\n\ - optional specified timeout in second (Default: %d)\n\ --L, --link\n\ - show HTML in the plugin output (obsoleted by urlize)\n\ -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" - -#define DESCRIPTION "\ -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" - -#include "config.h" +const char *progname = "check_ping"; +const char *copyright = "2000-2007"; +const char *email = "nagiosplug-devel@lists.sourceforge.net"; + #include "common.h" +#include "netutils.h" #include "popen.h" #include "utils.h" -#define UNKNOWN_PACKET_LOSS 200 /* 200% */ +#define WARN_DUPLICATES "DUPLICATES FOUND! " #define UNKNOWN_TRIP_TIME -1.0 /* -1 seconds */ -#define DEFAULT_MAX_PACKETS 5 /* default no. of ICMP ECHO packets */ -#define WARN_DUPLICATES "DUPLICATES FOUND! " +enum { + UNKNOWN_PACKET_LOSS = 200, /* 200% */ + DEFAULT_MAX_PACKETS = 5 /* default no. of ICMP ECHO packets */ +}; int process_arguments (int, char **); -int call_getopt (int, char **); int get_threshold (char *, float *, int *); int validate_arguments (void); -int run_ping (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); @@ -68,89 +58,150 @@ int wpl = UNKNOWN_PACKET_LOSS; int cpl = UNKNOWN_PACKET_LOSS; float wrta = UNKNOWN_TRIP_TIME; float crta = UNKNOWN_TRIP_TIME; -char *server_address = NULL; +char **addresses = NULL; +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; -char *warn_text = NULL; +char *warn_text; + + int main (int argc, char **argv) { - char *command_line = NULL; + char *cmd = NULL; + char *rawcmd = NULL; int result = STATE_UNKNOWN; + int this_result = STATE_UNKNOWN; + int i; - if (process_arguments (argc, argv) == ERROR) - usage ("Could not parse arguments"); + setlocale (LC_ALL, ""); + setlocale (LC_NUMERIC, "C"); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); - /* does the host address of number of packets argument come first? */ -#ifdef PING_PACKETS_FIRST - command_line = - ssprintf (command_line, PING_COMMAND, max_packets, server_address); -#else - command_line = - ssprintf (command_line, PING_COMMAND, server_address, max_packets); -#endif + 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) + 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 - if (verbose) - printf ("%s ==> ", command_line); + for (i = 0 ; i < n_addresses ; i++) { - /* run the command */ - run_ping (command_line); +#ifdef PING6_COMMAND + 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 - if (pl == UNKNOWN_PACKET_LOSS || rta == UNKNOWN_TRIP_TIME) { - printf ("%s\n", command_line); - terminate (STATE_UNKNOWN, - "Error: Could not interpret output from ping command\n"); - } + /* 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, rawcmd, max_packets, addresses[i]); +# endif +#else + asprintf (&cmd, rawcmd, addresses[i], max_packets); +#endif + + if (verbose >= 2) + printf ("CMD: %s\n", cmd); - if (pl >= cpl || rta >= crta || rta < 0) - result = STATE_CRITICAL; - else if (pl >= wpl || rta >= wrta) - result = STATE_WARNING; - else if (pl < wpl && rta < wrta && pl >= 0 && rta >= 0) - /* cannot use the max function because STATE_UNKNOWN is now 3 gt STATE_OK - result = max (result, STATE_OK); */ - if( !( (result == STATE_WARNING) || (result == STATE_CRITICAL) ) ) { - result = STATE_OK; + /* run the command */ + this_result = run_ping (cmd, addresses[i]); + + if (pl == UNKNOWN_PACKET_LOSS || rta < 0.0) { + printf ("%s\n", cmd); + die (STATE_UNKNOWN, + _("CRITICAL - Could not interpret output from ping command\n")); } - - if (display_html == TRUE) - printf ("", CGIURL, server_address); - if (pl == 100) - printf ("PING %s - %sPacket loss = %d%%", state_text (result), warn_text, - pl); - else - printf ("PING %s - %sPacket loss = %d%%, RTA = %2.2f ms", - state_text (result), warn_text, pl, rta); - if (display_html == TRUE) - printf (""); - printf ("\n"); - - if (verbose) - printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl); + + if (pl >= cpl || rta >= crta || rta < 0) + this_result = STATE_CRITICAL; + else if (pl >= wpl || rta >= wrta) + this_result = STATE_WARNING; + else if (pl >= 0 && rta >= 0) + 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]); + + if (display_html == TRUE) + printf ("", CGIURL, addresses[i]); + if (pl == 100) + printf (_("PING %s - %sPacket loss = %d%%"), state_text (this_result), warn_text, + pl); + else + printf (_("PING %s - %sPacket loss = %d%%, RTA = %2.2f ms"), + state_text (this_result), warn_text, pl, rta); + if (display_html == TRUE) + printf (""); + + /* 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; } - + + /* process command-line arguments */ int process_arguments (int argc, char **argv) { - int c; + int c = 1; + char *ptr; + + int option = 0; + static struct option longopts[] = { + STD_LONG_OPTS, + {"packets", required_argument, 0, 'p'}, + {"nohtml", no_argument, 0, 'n'}, + {"link", no_argument, 0, 'L'}, + {"use-ipv4", no_argument, 0, '4'}, + {"use-ipv6", no_argument, 0, '6'}, + {0, 0, 0, 0} + }; if (argc < 2) return ERROR; @@ -162,138 +213,68 @@ process_arguments (int argc, char **argv) strcpy (argv[c], "-n"); } - c = 0; - while ((c += call_getopt (argc - c, &argv[c])) < argc) { - - if (is_option (argv[c])) - continue; - - if (server_address == NULL) { - if (is_host (argv[c]) == FALSE) { - printf ("Invalid host name/address: %s\n\n", argv[c]); - return ERROR; - } - server_address = argv[c]; - } - else if (wpl == UNKNOWN_PACKET_LOSS) { - if (is_intpercent (argv[c]) == FALSE) { - printf (" (%s) must be an integer percentage\n", argv[c]); - return ERROR; - } - wpl = atoi (argv[c]); - } - else if (cpl == UNKNOWN_PACKET_LOSS) { - if (is_intpercent (argv[c]) == FALSE) { - printf (" (%s) must be an integer percentage\n", argv[c]); - return ERROR; - } - cpl = atoi (argv[c]); - } - else if (wrta == UNKNOWN_TRIP_TIME) { - if (is_negative (argv[c])) { - printf (" (%s) must be a non-negative number\n", argv[c]); - return ERROR; - } - wrta = atof (argv[c]); - } - else if (crta == UNKNOWN_TRIP_TIME) { - if (is_negative (argv[c])) { - printf (" (%s) must be a non-negative number\n", argv[c]); - return ERROR; - } - crta = atof (argv[c]); - } - else if (max_packets == -1) { - if (is_intnonneg (argv[c])) { - max_packets = atoi (argv[c]); - } - else { - printf (" (%s) must be a non-negative number\n", - argv[c]); - return ERROR; - } - } - - } - - return validate_arguments (); -} - -int -call_getopt (int argc, char **argv) -{ - int c, i = 0; - -#ifdef HAVE_GETOPT_H - int option_index = 0; - static struct option long_options[] = { - {"help", no_argument, 0, 'h'}, - {"version", no_argument, 0, 'V'}, - {"verbose", no_argument, 0, 'v'}, - {"nohtml", no_argument, 0, 'n'}, - {"link", no_argument, 0, 'L'}, - {"timeout", required_argument, 0, 't'}, - {"critical", required_argument, 0, 'c'}, - {"warning", required_argument, 0, 'w'}, - {"hostname", required_argument, 0, 'H'}, - {"packets", required_argument, 0, 'p'}, - {0, 0, 0, 0} - }; -#endif - while (1) { -#ifdef HAVE_GETOPT_H - c = - getopt_long (argc, argv, "+hVvt:c:w:H:p:nL", long_options, - &option_index); -#else - c = getopt (argc, argv, "+hVvt:c:w:H:p:nL"); -#endif + c = getopt_long (argc, argv, "VvhnL46t:c:w:H:p:", longopts, &option); - i++; - - if (c == -1 || c == EOF || c == 1) + if (c == -1 || c == EOF) break; switch (c) { - case 't': - case 'c': - case 'w': - case 'H': - case 'p': - i++; - } - - switch (c) { - case '?': /* print short usage statement if args not parsable */ - usage2 ("Unknown argument", optarg); - case 'h': /* help */ + case '?': /* usage */ + usage5 (); + case 'h': /* help */ print_help (); exit (STATE_OK); - case 'V': /* version */ - print_revision (PROGNAME, REVISION); + break; + case 'V': /* version */ + print_revision (progname, NP_VERSION); exit (STATE_OK); - case 't': /* timeout period */ + break; + case 't': /* timeout period */ timeout_interval = atoi (optarg); break; - case 'v': /* verbose mode */ - verbose = TRUE; + case 'v': /* verbose mode */ + verbose++; + break; + case '4': /* IPv4 only */ + address_family = AF_INET; + break; + case '6': /* IPv6 only */ +#ifdef USE_IPV6 + address_family = AF_INET6; +#else + usage (_("IPv6 support not available\n")); +#endif break; - case 'H': /* hostname */ - if (is_host (optarg) == FALSE) - usage2 ("Invalid host name/address", optarg); - server_address = optarg; + case 'H': /* hostname */ + ptr=optarg; + while (1) { + n_addresses++; + if (n_addresses > max_addr) { + max_addr *= 2; + addresses = realloc (addresses, sizeof(char*) * max_addr); + if (addresses == NULL) + die (STATE_UNKNOWN, _("Could not realloc() addresses\n")); + } + addresses[n_addresses-1] = ptr; + if ((ptr = index (ptr, ','))) { + strcpy (ptr, ""); + ptr += sizeof(char); + } else { + break; + } + } break; - case 'p': /* number of packets to send */ + case 'p': /* number of packets to send */ if (is_intnonneg (optarg)) max_packets = atoi (optarg); else - usage2 (" (%s) must be a non-negative number\n", optarg); + usage2 (_(" (%s) must be a non-negative number\n"), optarg); break; - case 'n': /* no HTML */ + case 'n': /* no HTML */ display_html = FALSE; break; - case 'L': /* show HTML */ + case 'L': /* show HTML */ display_html = TRUE; break; case 'c': @@ -305,9 +286,79 @@ call_getopt (int argc, char **argv) } } - return i; + c = optind; + if (c == argc) + return validate_arguments (); + + if (addresses[0] == NULL) { + if (is_host (argv[c]) == FALSE) { + usage2 (_("Invalid hostname/address"), argv[c]); + } else { + addresses[0] = argv[c++]; + n_addresses++; + if (c == argc) + return validate_arguments (); + } + } + + if (wpl == UNKNOWN_PACKET_LOSS) { + if (is_intpercent (argv[c]) == FALSE) { + printf (_(" (%s) must be an integer percentage\n"), argv[c]); + return ERROR; + } else { + wpl = atoi (argv[c++]); + if (c == argc) + return validate_arguments (); + } + } + + if (cpl == UNKNOWN_PACKET_LOSS) { + if (is_intpercent (argv[c]) == FALSE) { + printf (_(" (%s) must be an integer percentage\n"), argv[c]); + return ERROR; + } else { + cpl = atoi (argv[c++]); + if (c == argc) + return validate_arguments (); + } + } + + if (wrta < 0.0) { + if (is_negative (argv[c])) { + printf (_(" (%s) must be a non-negative number\n"), argv[c]); + return ERROR; + } else { + wrta = atof (argv[c++]); + if (c == argc) + return validate_arguments (); + } + } + + if (crta < 0.0) { + if (is_negative (argv[c])) { + printf (_(" (%s) must be a non-negative number\n"), argv[c]); + return ERROR; + } else { + crta = atof (argv[c++]); + if (c == argc) + return validate_arguments (); + } + } + + if (max_packets == -1) { + if (is_intnonneg (argv[c])) { + max_packets = atoi (argv[c++]); + } else { + printf (_(" (%s) must be a non-negative number\n"), argv[c]); + return ERROR; + } + } + + return validate_arguments (); } + + int get_threshold (char *arg, float *trta, int *tpl) { @@ -315,40 +366,43 @@ 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; - else - usage2 ("%s: Warning threshold must be integer or percentage!\n\n", arg); + usage2 (_("%s: Warning threshold must be integer or percentage!\n\n"), arg); + return STATE_UNKNOWN; } + + int validate_arguments () { float max_seconds; + int i; - if (wrta == UNKNOWN_TRIP_TIME) { - printf (" was not set\n"); + if (wrta < 0.0) { + printf (_(" was not set\n")); return ERROR; } - else if (crta == UNKNOWN_TRIP_TIME) { - printf (" was not set\n"); + else if (crta < 0.0) { + printf (_(" was not set\n")); return ERROR; } else if (wpl == UNKNOWN_PACKET_LOSS) { - printf (" was not set\n"); + printf (_(" was not set\n")); return ERROR; } else if (cpl == UNKNOWN_PACKET_LOSS) { - printf (" was not set\n"); + printf (_(" was not set\n")); return ERROR; } else if (wrta > crta) { - printf (" (%f) cannot be larger than (%f)\n", wrta, crta); + printf (_(" (%f) cannot be larger than (%f)\n"), wrta, crta); return ERROR; } else if (wpl > cpl) { - printf (" (%d) cannot be larger than (%d)\n", wpl, cpl); + printf (_(" (%d) cannot be larger than (%d)\n"), wpl, cpl); return ERROR; } @@ -359,80 +413,63 @@ validate_arguments () if (max_seconds > timeout_interval) timeout_interval = (int)max_seconds; + for (i=0; i= 3) + printf("Output: %s", buf); + + result = max_state (result, error_scan (buf, addr)); /* get the percent loss statistics */ - if (sscanf - (input_buffer, "%*d packets transmitted, %*d packets received, +%*d errors, %d%% packet loss", - &pl) == 1 - || sscanf - (input_buffer, "%*d packets transmitted, %*d packets received, %d%% packet loss", - &pl) == 1 - || sscanf - (input_buffer, "%*d packets transmitted, %*d packets received, %d%% loss, time", &pl) == 1 - || sscanf - (input_buffer, "%*d packets transmitted, %*d received, %d%% loss, time", &pl) == 1 - /* Suse 8.0 as reported by Richard * Brodie */ - ) + 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 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%% 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 */ else - if (sscanf (input_buffer, "round-trip min/avg/max = %*f/%f/%*f", &rta) - == 1 - || sscanf (input_buffer, - "round-trip min/avg/max/mdev = %*f/%f/%*f/%*f", - &rta) == 1 - || sscanf (input_buffer, - "round-trip min/avg/max/sdev = %*f/%f/%*f/%*f", - &rta) == 1 - || sscanf (input_buffer, - "round-trip min/avg/max/stddev = %*f/%f/%*f/%*f", - &rta) == 1 - || sscanf (input_buffer, - "round-trip min/avg/max/std-dev = %*f/%f/%*f/%*f", - &rta) == 1 - || sscanf (input_buffer, "round-trip (ms) min/avg/max = %*f/%f/%*f", - &rta) == 1 - || sscanf (input_buffer, "rtt min/avg/max/mdev = %*f/%f/%*f/%*f ms", - &rta) == 1 - ) + if(sscanf(buf,"round-trip min/avg/max = %*f/%f/%*f",&rta)==1 || + sscanf(buf,"round-trip min/avg/max/mdev = %*f/%f/%*f/%*f",&rta)==1 || + sscanf(buf,"round-trip min/avg/max/sdev = %*f/%f/%*f/%*f",&rta)==1 || + 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; } @@ -440,79 +477,128 @@ run_ping (char *command_line) if (pl == 100) rta = crta; - - /* check stderr */ - while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) { - if (strstr - (input_buffer, - "Warning: no SO_TIMESTAMP support, falling back to SIOCGSTAMP")) - continue; - - if (strstr (input_buffer, "Network is unreachable")) - terminate (STATE_CRITICAL, "PING CRITICAL - Network unreachable (%s)", - server_address); - else if (strstr (input_buffer, "Destination Host Unreachable")) - terminate (STATE_CRITICAL, "PING CRITICAL - Host Unreachable (%s)", - server_address); - else if (strstr (input_buffer, "unknown host" ) ) - terminate (STATE_CRITICAL, "PING CRITICAL - Host not found (%s)", - server_address); - - warn_text = - realloc (warn_text, strlen (warn_text) + strlen (input_buffer) + 2); - if (warn_text == NULL) - terminate (STATE_UNKNOWN, "unable to realloc warn_text"); - if (strlen (warn_text) == 0) - strcpy (warn_text, input_buffer); - else - sprintf (warn_text, "%s %s", warn_text, input_buffer); - - if (strstr (input_buffer, "DUPLICATES FOUND")) - /* cannot use the max function since STATE_UNKNOWN is max - result = max (result, STATE_WARNING); */ - if( !(result == STATE_CRITICAL) ){ + /* 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")) { + 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 ")); + } } - else - /* cannot use the max function since STATE_UNKNOWN is max - result = max (result, STATE_CRITICAL); */ - result = STATE_CRITICAL ; + } } + (void) fclose (child_stderr); /* close the pipe - WARNING if status is set */ if (spclose (child_process)) - result = max (result, STATE_WARNING); + result = max_state (result, STATE_WARNING); + + if (warn_text == NULL) + warn_text = strdup(""); return result; } -void -print_usage (void) + +int +error_scan (char buf[MAX_INPUT_BUFFER], const char *addr) { - printf ("Usage:\n" " %s %s\n" -#ifdef HAVE_GETOPT_H - " %s (-h | --help) for detailed help\n" - " %s (-V | --version) for version information\n", -#else - " %s -h for detailed help\n" - " %s -V for version information\n", -#endif - PROGNAME, OPTIONS, 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); - printf - ("Copyright (c) %s %s <%s>\n\n%s\n", - COPYRIGHT, AUTHOR, EMAIL, SUMMARY); + print_revision (progname, NP_VERSION); + + printf ("Copyright (c) 1999 Ethan Galstad \n"); + printf (COPYRIGHT, copyright, email); + + printf (_("Use ping to check connection statistics for a remote host.")); + + printf ("\n\n"); + print_usage (); - printf - ("\nOptions:\n" LONGOPTIONS "\n" DESCRIPTION "\n", - DEFAULT_MAX_PACKETS, DEFAULT_SOCKET_TIMEOUT); - 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"); }