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diff --git a/plugins/negate.c b/plugins/negate.c
index 9e5cf46fd8a490e9bebec8b24b534ac7696cf340..cbde6a1279e716e79646e667bee1f3ba223cbaaf 100644 (file)
--- a/plugins/negate.c
+++ b/plugins/negate.c
/******************************************************************************
-
- 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 negate plugin
+*
+* License: GPL
+* Copyright (c) 2002-2006 nagios-plugins team
+*
+* Last Modified: $Date$
+*
+* Description:
+*
+* This file contains the negate plugin
+*
+* Negates the status of a plugin (returns OK for CRITICAL, and vice-versa)
+*
+* 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.
+*
+* $Id$
@@-<article>
const char *progname = "negate";
const char *revision = "$Revision$";
-const char *copyright = "2002-2003";
+const char *copyright = "2002-2006";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#define DEFAULT_TIMEOUT 9
#include "common.h"
#include "utils.h"
-#include "popen.h"
+#include "utils_cmd.h"
-char *command_line;
+//char *command_line;
-int process_arguments (int, char **);
-int validate_arguments (void);
+static const char **process_arguments (int, char **);
+int validate_arguments (char **);
void print_help (void);
void print_usage (void);
{
int found = 0, result = STATE_UNKNOWN;
char *buf;
+ char **command_line;
+ output chld_out, chld_err;
+ int i;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
- if (process_arguments (argc, argv) == ERROR)
- usage (_("negate: could not parse arguments\n"));
+ command_line = (char **) process_arguments (argc, argv);
/* Set signal handling and alarm */
if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR)
(void) alarm ((unsigned) timeout_interval);
- child_process = spopen (command_line);
- if (child_process == NULL)
- die (STATE_UNKNOWN, _("Could not open pipe: %s\n"), command_line);
-
- child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
- if (child_stderr == NULL) {
- printf (_("Could not open stderr for %s\n"), command_line);
+ /* catch when the command is quoted */
+ if(command_line[1] == NULL) {
+ result = cmd_run (command_line[0], &chld_out, &chld_err, 0);
+ } else {
+ result = cmd_run_array (command_line, &chld_out, &chld_err, 0);
}
-
- buf = malloc(MAX_INPUT_BUFFER);
- while (fgets (buf, MAX_INPUT_BUFFER - 1, child_process)) {
- found++;
- printf ("%s", buf);
+ if (chld_err.lines > 0) {
+ printf ("Error output from command:\n");
+ for (i = 0; i < chld_err.lines; i++) {
+ printf ("%s\n", chld_err.line[i]);
+ }
+ exit (STATE_WARNING);
}
- if (!found)
- die (STATE_UNKNOWN,
- _("%s problem - No data received from host\nCMD: %s\n"),\
- argv[0], command_line);
-
- /* close the pipe */
- result = spclose (child_process);
-
- /* WARNING if output found on stderr */
- if (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr))
- result = max_state (result, STATE_WARNING);
+ if (chld_out.lines == 0)
+ die (STATE_UNKNOWN, _("No data returned from command\n"));
- /* close stderr */
- (void) fclose (child_stderr);
+ for (i = 0; i < chld_out.lines; i++) {
+ printf ("%s\n", chld_out.line[i]);
+ }
if (result == STATE_OK)
exit (STATE_CRITICAL);
/* process command-line arguments */
-int
+static const char **
process_arguments (int argc, char **argv)
{
int c;
};
while (1) {
- c = getopt_long (argc, argv, "+hVt:",
- longopts, &option);
+ c = getopt_long (argc, argv, "+hVt:", longopts, &option);
if (c == -1 || c == EOF)
break;
switch (c) {
case '?': /* help */
- printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
- print_usage ();
- exit (STATE_UNKNOWN);
+ usage5 ();
break;
case 'h': /* help */
print_help ();
}
}
- asprintf (&command_line, "%s", argv[optind]);
- for (c = optind+1; c < argc; c++) {
- asprintf (&command_line, "%s %s", command_line, argv[c]);
- }
+ validate_arguments (&argv[optind]);
- return validate_arguments ();
+ return (const char **) &argv[optind];
}
int
-validate_arguments ()
+validate_arguments (char **command_line)
{
- if (command_line == NULL)
- return ERROR;
- return STATE_OK;
+ if (command_line[0] == NULL)
+ usage4 (_("Could not parse arguments"));
+
+ if (strncmp(command_line[0],"/",1) != 0 && strncmp(command_line[0],"./",2) != 0)
+ usage4 (_("Require path to command"));
}
/******************************************************************************
{
print_revision (progname, revision);
- printf (_(COPYRIGHT), copyright, email);
+ printf (COPYRIGHT, copyright, email);
- printf (_("\
-Negates the status of a plugin (returns OK for CRITICAL, and vice-versa).\n\
-\n"));
+ printf ("%s\n", _("Negates the status of a plugin (returns OK for CRITICAL, and vice-versa)."));
+
+ printf ("\n\n");
print_usage ();
printf (_(UT_TIMEOUT), DEFAULT_TIMEOUT);
- printf (_("\
- [keep timeout than the plugin timeout to retain CRITICAL status]\n"));
-
- printf (_("\
- negate \"/usr/local/nagios/libexec/check_ping -H host\"\n\
- Run check_ping and invert result. Must use full path to plugin\n\
- negate \"/usr/local/nagios/libexec/check_procs -a 'vi negate.c'\"\n\
- Use single quotes if you need to retain spaces\n"));
-
- printf (_("\
-This plugin is a wrapper to take the output of another plugin and invert it.\n\
-If the wrapped plugin returns STATE_OK, the wrapper will return STATE_CRITICAL.\n\
-If the wrapped plugin returns STATE_CRITICAL, the wrapper will return STATE_OK.\n\
-Otherwise, the output state of the wrapped plugin is unchanged.\n"));
+ printf (" %s\n", _("[keep timeout than the plugin timeout to retain CRITICAL status]"));
+ printf ("\n");
+ printf ("%s\n", _("Examples:"));
+ printf (" %s\n", "negate /usr/local/nagios/libexec/check_ping -H host");
+ printf (" %s\n", _("Run check_ping and invert result. Must use full path to plugin"));
+ printf (" %s\n", "negate /usr/local/nagios/libexec/check_procs -a 'vi negate.c'");
+ printf (" %s\n", _("Use single quotes if you need to retain spaces"));
+ printf (_(UT_VERBOSE));
+ printf ("\n");
+ printf ("%s\n", _("Notes:"));
+ printf ("%s\n", _("This plugin is a wrapper to take the output of another plugin and invert it."));
+ printf ("%s\n", _("The full path of the plugin must be provided."));
+ printf ("%s\n", _("If the wrapped plugin returns STATE_OK, the wrapper will return STATE_CRITICAL."));
+ printf ("%s\n", _("If the wrapped plugin returns STATE_CRITICAL, the wrapper will return STATE_OK."));
+ printf ("%s\n", _("Otherwise, the output state of the wrapped plugin is unchanged."));
printf (_(UT_SUPPORT));
}
void
print_usage (void)
{
- printf (_("Usage: %s [-t timeout] <definition of wrapped plugin>\n"),
- progname);
- printf (_(UT_HLP_VRS), progname, progname);
+ printf (_("Usage:"));
+ printf ("%s [-t timeout] <definition of wrapped plugin>\n",progname);
}