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/*****************************************************************************
*
* Nagios urlize plugin
*
* License: GPL
* Copyright (c) 2000-2007 Nagios Plugins Development Team
*
* Description:
*
* This file contains the urlize plugin
*
* This plugin wraps the text output of another command (plugin) in HTML <A>
* tags, thus displaying the child plugin's output as a clickable link in the
* Nagios status screen. This plugin returns the status of the invoked plugin.
*
*
* 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 <http://www.gnu.org/licenses/>.
*
*
*****************************************************************************/
const char *progname = "urlize";
const char *copyright = "2000-2006";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
#include "utils.h"
#include "popen.h"
#define PERF_CHARACTER "|"
#define NEWLINE_CHARACTER '\n'
void print_help (void);
void print_usage (void);
int
main (int argc, char **argv)
{
int found = 0, result = STATE_UNKNOWN;
char *url = NULL;
char *cmd;
char *buf;
char *nstr;
char tstr[MAX_INPUT_BUFFER];
int c;
int option = 0;
static struct option longopts[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"url", required_argument, 0, 'u'},
{0, 0, 0, 0}
};
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
/* Need at least 2 args */
if (argc < 3) {
print_help();
exit (STATE_UNKNOWN);
}
while (1) {
c = getopt_long (argc, argv, "+hVu:", longopts, &option);
if (c == -1 || c == EOF)
break;
switch (c) {
case 'h': /* help */
print_help ();
exit (EXIT_SUCCESS);
break;
case 'V': /* version */
print_revision (progname, NP_VERSION);
exit (EXIT_SUCCESS);
break;
case 'u':
url = strdup (argv[optind]);
break;
case '?':
default:
usage5 ();
}
}
if (url == NULL)
url = strdup (argv[optind++]);
cmd = strdup (argv[optind++]);
for (c = optind; c < argc; c++) {
asprintf (&cmd, "%s %s", cmd, argv[c]);
}
child_process = spopen (cmd);
if (child_process == NULL) {
printf (_("Could not open pipe: %s\n"), cmd);
exit (STATE_UNKNOWN);
}
child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
if (child_stderr == NULL) {
printf (_("Could not open stderr for %s\n"), cmd);
}
bzero(tstr, sizeof(tstr));
buf = malloc(MAX_INPUT_BUFFER);
printf ("<A href=\"%s\">", argv[1]);
while (fgets (buf, MAX_INPUT_BUFFER - 1, child_process)) {
found++;
/* Collect the string in temp str so we can tokenize */
strcat(tstr, buf);
}
if (!found)
die (STATE_UNKNOWN,
_("%s UNKNOWN - No data received from host\nCMD: %s</A>\n"),
argv[0], cmd);
/* chop the newline character */
if ((nstr = strchr(tstr, NEWLINE_CHARACTER)) != NULL)
*nstr = '\0';
/* tokenize the string for Perfdata if there is some */
nstr = strtok(tstr, PERF_CHARACTER);
printf ("%s", nstr);
printf ("</A>");
nstr = strtok(NULL, PERF_CHARACTER);
if (nstr != NULL)
printf (" | %s", nstr);
/* 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);
/* close stderr */
(void) fclose (child_stderr);
return result;
}
void
print_help (void)
{
print_revision (progname, NP_VERSION);
printf ("Copyright (c) 2000 Karl DeBisschop <kdebisschop@users.sourceforge.net>\n");
printf (COPYRIGHT, copyright, email);
printf ("%s\n", _("This plugin wraps the text output of another command (plugin)"));
printf ("%s\n", _("in HTML <A> tags, thus displaying the child plugin's output as a clickable link in"));
printf ("%s\n", _("the Nagios status screen. This plugin returns the status of the invoked plugin."));
printf ("\n\n");
print_usage ();
printf (UT_HELP_VRSN);
printf ("\n");
printf ("%s\n", _("Examples:"));
printf ("%s\n", _("Pay close attention to quoting to ensure that the shell passes the expected"));
printf ("%s\n\n", _("data to the plugin. For example, in:"));
printf (" %s\n\n", _("urlize http://example.com/ check_http -H example.com -r 'two words'"));
printf (" %s\n", _("the shell will remove the single quotes and urlize will see:"));
printf (" %s\n\n", _("urlize http://example.com/ check_http -H example.com -r two words"));
printf (" %s\n\n", _("You probably want:"));
printf (" %s\n", _("urlize http://example.com/ \"check_http -H example.com -r 'two words'\""));
printf (UT_SUPPORT);
}
void
print_usage (void)
{
printf (_("Usage:"));
printf ("%s <url> <plugin> <arg1> ... <argN>\n", progname);
}
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