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diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index 690b85549813852c9b10b474710f8a46ca51d34a..d875a618f3eb259644928f39b4299a650467aa13 100644 (file)
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
* License: GPL
* Copyright (c) 2000-2008 Nagios Plugins Development Team
*
-* Last Modified: $Date$
-*
* Description:
*
* This file contains the check_procs plugin
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
-* $Id$
*
*****************************************************************************/
const char *progname = "check_procs";
const char *program_name = "check_procs"; /* Required for coreutils libs */
-const char *revision = "$Revision$";
const char *copyright = "2000-2008";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
-#include "popen.h"
#include "utils.h"
+#include "utils_cmd.h"
+#include "regex.h"
#include <pwd.h>
#define RSS 128
#define PCPU 256
#define ELAPSED 512
+#define EREG_ARGS 1024
/* Different metrics */
char *metric_name;
enum metric {
char *statopts;
char *prog;
char *args;
+char *input_filename = NULL;
+regex_t re_args;
char *fmt;
char *fails;
char tmp[MAX_INPUT_BUFFER];
+FILE *ps_input = NULL;
int
int expected_cols = PS_COLS - 1;
int warn = 0; /* number of processes in warn state */
int crit = 0; /* number of processes in crit state */
- int i = 0;
+ int i = 0, j = 0;
int result = STATE_UNKNOWN;
+ output chld_out, chld_err;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
asprintf (&metric_name, "PROCS");
metric = METRIC_PROCS;
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
+
if (process_arguments (argc, argv) == ERROR)
usage4 (_("Could not parse arguments"));
mypid = getpid();
/* Set signal handling and alarm timeout */
- if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) {
- usage4 (_("Cannot catch SIGALRM"));
+ if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR) {
+ die (STATE_UNKNOWN, _("Cannot catch SIGALRM"));
}
- alarm (timeout_interval);
+ (void) alarm ((unsigned) timeout_interval);
if (verbose >= 2)
printf (_("CMD: %s\n"), PS_COMMAND);
- child_process = spopen (PS_COMMAND);
- if (child_process == NULL) {
- printf (_("Could not open pipe: %s\n"), PS_COMMAND);
- return STATE_UNKNOWN;
+ if (input_filename == NULL) {
+ result = cmd_run( PS_COMMAND, &chld_out, &chld_err, 0);
+ if (chld_err.lines > 0) {
+ printf ("%s: %s", _("System call sent warnings to stderr"), chld_err.line[0]);
+ exit(STATE_WARNING);
+ }
+ } else {
+ result = cmd_file_read( input_filename, &chld_out, 0);
}
- child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
- if (child_stderr == NULL)
- printf (_("Could not open stderr for %s\n"), PS_COMMAND);
-
- /* flush first line */
- fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
- while ( input_buffer[strlen(input_buffer)-1] != '\n' )
- fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
-
- while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
- asprintf (&input_line, "%s", input_buffer);
- while ( input_buffer[strlen(input_buffer)-1] != '\n' ) {
- fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
- asprintf (&input_line, "%s%s", input_line, input_buffer);
- }
+ /* flush first line: j starts at 1 */
+ for (j = 1; j < chld_out.lines; j++) {
+ input_line = chld_out.line[j];
if (verbose >= 3)
printf ("%s", input_line);
resultsum |= STAT;
if ((options & ARGS) && procargs && (strstr (procargs, args) != NULL))
resultsum |= ARGS;
+ if ((options & EREG_ARGS) && procargs && (regexec(&re_args, procargs, (size_t) 0, NULL, 0) == 0))
+ resultsum |= EREG_ARGS;
if ((options & PROG) && procprog && (strcmp (prog, procprog) == 0))
resultsum |= PROG;
if ((options & PPID) && (procppid == ppid))
continue;
procs++;
+ if (verbose >= 2) {
+ printf ("Matched: uid=%d vsz=%d rss=%d pid=%d ppid=%d pcpu=%.2f stat=%s etime=%s prog=%s args=%s\n",
+ procuid, procvsz, procrss,
+ procpid, procppid, procpcpu, procstat,
+ procetime, procprog, procargs);
+ }
if (metric == METRIC_VSZ)
i = check_thresholds (procvsz);
}
}
- /* 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);
- result = max_state (result, STATE_WARNING);
- printf (_("System call sent warnings to stderr\n"));
- }
-
- (void) fclose (child_stderr);
-
- /* close the pipe */
- if (spclose (child_process)) {
- printf (_("System call returned nonzero status\n"));
- result = max_state (result, STATE_WARNING);
- }
-
if (found == 0) { /* no process lines parsed so return STATE_UNKNOWN */
printf (_("Unable to read output\n"));
- return result;
+ return STATE_UNKNOWN;
}
if ( result == STATE_UNKNOWN )
char *user;
struct passwd *pw;
int option = 0;
+ int err;
+ int cflags = REG_NOSUB | REG_EXTENDED;
+ char errbuf[MAX_INPUT_BUFFER];
+ char *temp_string;
+ int i=0;
static struct option longopts[] = {
{"warning", required_argument, 0, 'w'},
{"critical", required_argument, 0, 'c'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"verbose", no_argument, 0, 'v'},
+ {"ereg-argument-array", required_argument, 0, CHAR_MAX+1},
+ {"input-file", required_argument, 0, CHAR_MAX+2},
{0, 0, 0, 0}
};
print_help ();
exit (STATE_OK);
case 'V': /* version */
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
exit (STATE_OK);
case 't': /* timeout period */
if (!is_integer (optarg))
asprintf (&fmt, "%s%sargs '%s'", (fmt ? fmt : ""), (options ? ", " : ""), args);
options |= ARGS;
break;
+ case CHAR_MAX+1:
+ err = regcomp(&re_args, optarg, cflags);
+ if (err != 0) {
+ regerror (err, &re_args, errbuf, MAX_INPUT_BUFFER);
+ die (STATE_UNKNOWN, "PROCS %s: %s - %s\n", _("UNKNOWN"), _("Could not compile regular expression"), errbuf);
+ }
+ /* Strip off any | within the regex optarg */
+ temp_string = strdup(optarg);
+ while(temp_string[i]!='\0'){
+ if(temp_string[i]=='|')
+ temp_string[i]=',';
+ i++;
+ }
+ asprintf (&fmt, "%s%sregex args '%s'", (fmt ? fmt : ""), (options ? ", " : ""), temp_string);
+ options |= EREG_ARGS;
+ break;
case 'r': /* RSS */
if (sscanf (optarg, "%d%[^0-9]", &rss, tmp) == 1) {
asprintf (&fmt, "%s%sRSS >= %d", (fmt ? fmt : ""), (options ? ", " : ""), rss);
case 'v': /* command */
verbose++;
break;
+ case CHAR_MAX+2:
+ input_filename = optarg;
+ break;
}
}
void
print_help (void)
{
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
- printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>");
+ printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
printf (COPYRIGHT, copyright, email);
printf ("%s\n", _("Checks all processes and generates WARNING or CRITICAL states if the specified"));
printf ("%s\n", _("of processes. Search filters can be applied to limit the processes to check."));
printf ("\n\n");
-
+
print_usage ();
- printf ("%s\n", _("Required Arguments:"));
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
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"));
+ printf (" %s\n", _("CPU - percentage CPU"));
/* only linux etime is support currently */
#if defined( __linux__ )
printf (" %s\n", _("ELAPSED - time elapsed in seconds"));
#endif /* defined(__linux__) */
- printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
+ printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
printf (" %s\n", "-v, --verbose");
printf (" %s\n", _("Extra information. Up to 3 verbosity levels"));
- printf ("%s\n", "Optional Filters:");
+ printf ("\n");
+ printf ("%s\n", "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", "-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", _("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", _("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", _("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", "--ereg-argument-array=STRING");
+ printf (" %s\n", _("Only scan for processes with args that contain the regex STRING."));
printf (" %s\n", "-C, --command=COMMAND");
printf (" %s\n", _("Only scan for exact matches of COMMAND (without path)."));
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\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 (" %s\n", _("Alert if CPU of any processes over 10%% or 20%%"));
- printf (_(UT_SUPPORT));
+ printf (UT_SUPPORT);
}
void
print_usage (void)
{
- printf (_("Usage: "));
+ printf ("%s\n", _("Usage:"));
printf ("%s -w <range> -c <range> [-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");