X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=inline;f=plugins%2Fcheck_procs.c;h=2e2832849e50329bcb1de03bb5d9165515e480b3;hb=f8766fe505898d1617e11703840ac0a42f25272e;hp=0cd9153cbc5fcf6335ad8ff2e14d270c61e90694;hpb=e9ccc6b21a1152bbf150302c4a29a6df79d75bd7;p=nagiosplug.git diff --git a/plugins/check_procs.c b/plugins/check_procs.c index 0cd9153..2e28328 100644 --- a/plugins/check_procs.c +++ b/plugins/check_procs.c @@ -1,26 +1,44 @@ /****************************************************************************** - - 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. - - $Id$ - +* +* Nagios check_procs plugin +* +* License: GPL +* Copyright (c) 1999-2006 nagios-plugins team +* +* Last Modified: $Date$ +* +* Description: +* +* This file contains the check_procs plugin +* +* Checks all processes and generates WARNING or CRITICAL states if the specified +* metric is outside the required threshold ranges. The metric defaults to number +* of processes. Search filters can be applied to limit the processes to check. +* +* License Information: +* +* 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. +* +* $Id$ +* ******************************************************************************/ const char *progname = "check_procs"; +const char *program_name = "check_procs"; /* Required for coreutils libs */ const char *revision = "$Revision$"; -const char *copyright = "2000-2004"; +const char *copyright = "2000-2006"; const char *email = "nagiosplug-devel@lists.sourceforge.net"; #include "common.h" @@ -65,7 +83,7 @@ enum metric metric = METRIC_PROCS; int verbose = 0; int uid; -int ppid; +pid_t ppid; int vsz; int rss; float pcpu; @@ -85,16 +103,17 @@ main (int argc, char **argv) char *input_line; char *procprog; + pid_t mypid = 0; int procuid = 0; - int procppid = 0; + pid_t procpid = 0; + pid_t procppid = 0; int procvsz = 0; int procrss = 0; int procseconds = 0; float procpcpu = 0; char procstat[8]; - char procetime[MAX_INPUT_BUFFER]; + char procetime[MAX_INPUT_BUFFER] = { '\0' }; char *procargs; - char *temp_string; const char *zombie = "Z"; @@ -107,12 +126,12 @@ main (int argc, char **argv) int warn = 0; /* number of processes in warn state */ int crit = 0; /* number of processes in crit state */ int i = 0; - int result = STATE_UNKNOWN; setlocale (LC_ALL, ""); bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); + setlocale(LC_NUMERIC, "POSIX"); input_buffer = malloc (MAX_INPUT_BUFFER); procprog = malloc (MAX_INPUT_BUFFER); @@ -123,6 +142,9 @@ main (int argc, char **argv) if (process_arguments (argc, argv) == ERROR) usage4 (_("Could not parse arguments")); + /* get our pid */ + mypid = getpid(); + /* Set signal handling and alarm timeout */ if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) { usage4 (_("Cannot catch SIGALRM")); @@ -172,25 +194,19 @@ main (int argc, char **argv) strip (procargs); /* Some ps return full pathname for command. This removes path */ - temp_string = strtok ((char *)procprog, "/"); - while (temp_string) { - strcpy(procprog, temp_string); - temp_string = strtok (NULL, "/"); - } + strcpy(procprog, base_name(procprog)); /* we need to convert the elapsed time to seconds */ procseconds = convert_to_seconds(procetime); if (verbose >= 3) - printf ("%d %d %d %d %d %.2f %s %s %s %s\n", + printf ("proc#=%d uid=%d vsz=%d rss=%d pid=%d ppid=%d pcpu=%.2f stat=%s etime=%s prog=%s args=%s\n", procs, procuid, procvsz, procrss, - procppid, procpcpu, procstat, + procpid, procppid, procpcpu, procstat, procetime, procprog, procargs); /* Ignore self */ - if (strcmp (procprog, progname) == 0) { - continue; - } + if (mypid == procpid) continue; if ((options & STAT) && (strstr (statopts, procstat))) resultsum |= STAT; @@ -249,7 +265,7 @@ main (int argc, char **argv) /* If we get anything on STDERR, at least set warning */ while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) { if (verbose) - printf (_("STDERR: %s"), input_buffer); + printf ("STDERR: %s", input_buffer); result = max_state (result, STATE_WARNING); printf (_("System call sent warnings to stderr\n")); } @@ -343,7 +359,7 @@ process_arguments (int argc, char **argv) switch (c) { case '?': /* help */ - usage2 (_("Unknown argument"), optarg); + usage5 (); case 'h': /* help */ print_help (); exit (STATE_OK); @@ -412,7 +428,7 @@ process_arguments (int argc, char **argv) uid = pw->pw_uid; } user = pw->pw_name; - asprintf (&fmt, _("%s%sUID = %d (%s)"), (fmt ? fmt : ""), (options ? ", " : ""), + asprintf (&fmt, "%s%sUID = %d (%s)", (fmt ? fmt : ""), (options ? ", " : ""), uid, user); options |= USER; break; @@ -432,19 +448,19 @@ process_arguments (int argc, char **argv) break; else args = optarg; - asprintf (&fmt, _("%s%sargs '%s'"), (fmt ? fmt : ""), (options ? ", " : ""), args); + asprintf (&fmt, "%s%sargs '%s'", (fmt ? fmt : ""), (options ? ", " : ""), args); options |= ARGS; break; case 'r': /* RSS */ if (sscanf (optarg, "%d%[^0-9]", &rss, tmp) == 1) { - asprintf (&fmt, _("%s%sRSS >= %d"), (fmt ? fmt : ""), (options ? ", " : ""), rss); + asprintf (&fmt, "%s%sRSS >= %d", (fmt ? fmt : ""), (options ? ", " : ""), rss); options |= RSS; break; } usage4 (_("RSS must be an integer!")); case 'z': /* VSZ */ if (sscanf (optarg, "%d%[^0-9]", &vsz, tmp) == 1) { - asprintf (&fmt, _("%s%sVSZ >= %d"), (fmt ? fmt : ""), (options ? ", " : ""), vsz); + asprintf (&fmt, "%s%sVSZ >= %d", (fmt ? fmt : ""), (options ? ", " : ""), vsz); options |= VSZ; break; } @@ -452,7 +468,7 @@ process_arguments (int argc, char **argv) case 'P': /* PCPU */ /* TODO: -P 1.5.5 is accepted */ if (sscanf (optarg, "%f%[^0-9.]", &pcpu, tmp) == 1) { - asprintf (&fmt, _("%s%sPCPU >= %.2f"), (fmt ? fmt : ""), (options ? ", " : ""), pcpu); + asprintf (&fmt, "%s%sPCPU >= %.2f", (fmt ? fmt : ""), (options ? ", " : ""), pcpu); options |= PCPU; break; } @@ -639,8 +655,8 @@ convert_to_seconds(char *etime) { (minutes * 60) + seconds; - if (verbose >= 3) { - printf("seconds: %d\n", total); + if (verbose >= 3 && metric == METRIC_ELAPSED) { + printf("seconds: %d\n", total); } return total; } @@ -654,61 +670,55 @@ print_help (void) printf ("Copyright (c) 1999 Ethan Galstad "); printf (COPYRIGHT, copyright, email); - printf(_("\ -Checks all processes and generates WARNING or CRITICAL states if the specified\n\ -metric is outside the required threshold ranges. The metric defaults to number\n\ -of processes. Search filters can be applied to limit the processes to check.\n\n")); + printf ("%s\n", _("Checks all processes and generates WARNING or CRITICAL states if the specified")); + printf ("%s\n", _("metric is outside the required threshold ranges. The metric defaults to number")); + printf ("%s\n", _("of processes. Search filters can be applied to limit the processes to check.")); + printf ("\n\n"); + print_usage (); - printf(_("\n\ -Required Arguments:\n\ - -w, --warning=RANGE\n\ - Generate warning state if metric is outside this range\n\ - -c, --critical=RANGE\n\ - Generate critical state if metric is outside this range\n")); - - printf(_("\n\ -Optional Arguments:\n\ - -m, --metric=TYPE\n\ - Check thresholds against metric. Valid types:\n\ - PROCS - number of processes (default)\n\ - VSZ - virtual memory size\n\ - RSS - resident set memory size\n\ - CPU - percentage cpu\n")); + printf ("%s\n", _("Required Arguments:")); + printf (" %s\n", "-w, --warning=RANGE"); + printf (" %s\n", _("Generate warning state if metric is outside this range")); + printf (" %s\n", "-c, --critical=RANGE"); + printf (" %s\n", _("Generate critical state if metric is outside this range")); + + printf ("%s\n", _("Optional Arguments:")); + printf (" %s\n", "-m, --metric=TYPE"); + printf (" %s\n", _("Check thresholds against metric. Valid types:")); + printf (" %s\n", _("PROCS - number of processes (default)")); + printf (" %s\n", _("VSZ - virtual memory size")); + printf (" %s\n", _("RSS - resident set memory size")); + printf (" %s\n", _("CPU - percentage cpu")); /* only linux etime is support currently */ #if defined( __linux__ ) - printf(_("\ - ELAPSED - time elapsed in seconds\n")); + printf (" %s\n", _("ELAPSED - time elapsed in seconds")); #endif /* defined(__linux__) */ printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT); - printf(_("\ - -v, --verbose\n\ - Extra information. Up to 3 verbosity levels\n")); - - printf(_("\n\ -Optional Filters:\n\ - -s, --state=STATUSFLAGS\n\ - Only scan for processes that have, in the output of `ps`, one or\n\ - more of the status flags you specify (for example R, Z, S, RS,\n\ - RSZDT, plus others based on the output of your 'ps' command).\n\ - -p, --ppid=PPID\n\ - Only scan for children of the parent process ID indicated.\n\ - -z, --vsz=VSZ\n\ - Only scan for processes with vsz higher than indicated.\n\ - -r, --rss=RSS\n\ - Only scan for processes with rss higher than indicated.\n")); - - printf(_("\ - -P, --pcpu=PCPU\n\ - Only scan for processes with pcpu higher than indicated.\n\ - -u, --user=USER\n\ - Only scan for processes with user name or ID indicated.\n\ - -a, --argument-array=STRING\n\ - Only scan for processes with args that contain STRING.\n\ - -C, --command=COMMAND\n\ - Only scan for exact matches of COMMAND (without path).\n")); + printf (" %s\n", "-v, --verbose"); + printf (" %s\n", _("Extra information. Up to 3 verbosity levels")); + + printf ("%s\n", "Optional Filters:"); + printf (" %s\n", "-s, --state=STATUSFLAGS"); + printf (" %s\n", _("Only scan for processes that have, in the output of `ps`, one or")); + printf (" %s\n", _("more of the status flags you specify (for example R, Z, S, RS,")); + printf (" %s\n", _("RSZDT, plus others based on the output of your 'ps' command).")); + printf (" %s\n", "-p, --ppid=PPID"); + printf (" %s\n", _("Only scan for children of the parent process ID indicated.")); + printf (" %s\n", "-z, --vsz=VSZ"); + printf (" %s\n", _("Only scan for processes with vsz higher than indicated.")); + printf (" %s\n", "-r, --rss=RSS"); + printf (" %s\n", _("Only scan for processes with rss higher than indicated.")); + printf (" %s\n", "-P, --pcpu=PCPU"); + printf (" %s\n", _("Only scan for processes with pcpu higher than indicated.")); + printf (" %s\n", "-u, --user=USER"); + printf (" %s\n", _("Only scan for processes with user name or ID indicated.")); + printf (" %s\n", "-a, --argument-array=STRING"); + printf (" %s\n", _("Only scan for processes with args that contain STRING.")); + printf (" %s\n", "-C, --command=COMMAND"); + printf (" %s\n", _("Only scan for exact matches of COMMAND (without path).")); printf(_("\n\ RANGEs are specified 'min:max' or 'min:' or ':max' (or 'max'). If\n\ @@ -722,18 +732,17 @@ the specified threshold ranges. The process count can be filtered by\n\ process owner, parent process PID, current state (e.g., 'Z'), or may\n\ be the total number of running processes\n\n")); - printf(_("\ -Examples:\n\ - check_procs -w 2:2 -c 2:1024 -C portsentry\n\ - Warning if not two processes with command name portsentry. Critical\n\ - if < 2 or > 1024 processes\n\n\ - check_procs -w 10 -a '/usr/local/bin/perl' -u root\n\ - Warning alert if > 10 processes with command arguments containing \n\ - '/usr/local/bin/perl' and owned by root\n\n\ - check_procs -w 50000 -c 100000 --metric=VSZ\n\ - Alert if vsz of any processes over 50K or 100K\n\ - check_procs -w 10 -c 20 --metric=CPU\n\ - Alert if cpu of any processes over 10%% or 20%%\n\n")); + printf ("%s\n", _("Examples:")); + printf (" %s\n", "check_procs -w 2:2 -c 2:1024 -C portsentry"); + printf (" %s\n", _("Warning if not two processes with command name portsentry.")); + printf (" %s\n\n", _("Critical if < 2 or > 1024 processes")); + printf (" %s\n", "check_procs -w 10 -a '/usr/local/bin/perl' -u root"); + printf (" %s\n", _("Warning alert if > 10 processes with command arguments containing")); + printf (" %s\n\n", _("'/usr/local/bin/perl' and owned by root")); + printf (" %s\n", "check_procs -w 50000 -c 100000 --metric=VSZ"); + printf (" %s\n\n", _("Alert if vsz of any processes over 50K or 100K")); + printf (" %s\n", "check_procs -w 10 -c 20 --metric=CPU"); + printf (" %s\n\n", _("Alert if cpu of any processes over 10%% or 20%%")); printf (_(UT_SUPPORT)); } @@ -741,8 +750,8 @@ Examples:\n\ void print_usage (void) { - printf ("\ -Usage: %s -w -c [-m metric] [-s state] [-p ppid]\n\ - [-u user] [-r rss] [-z vsz] [-P %%cpu] [-a argument-array]\n\ - [-C command] [-t timeout] [-v]\n", progname); + printf (_("Usage:")); + printf ("%s -w -c [-m metric] [-s state] [-p ppid]\n", progname); + printf (" [-u user] [-r rss] [-z vsz] [-P %%cpu] [-a argument-array]\n"); + printf (" [-C command] [-t timeout] [-v]\n"); }