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|
/******************************************************************************
*
* urlize.c
*
* Program: plugin wrapper for Nagios
* License: GPL
* Copyright (c) 2000 Karl DeBisschop (kdebiss@alum.mit.edu)
*
* Last Modified: $Date$
* 2000-06-01 Karl DeBisschop <karl@debisschop.net>
* Written based of concept in urlize.pl
*
* Usage: urlize <url> <plugin> <arg1> ... <argN>
*
* Description:
*
* This plugin wraps the text output of another command (plugin) in HTML
* <A> tags, thus displaying the plugin output in as a clickable link in
* the Nagios status screen. The return status is the same as the plugin
* invoked by urlize
*
* 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.
*
*****************************************************************************/
const char *progname = "urlize";
#include "common.h"
#include "utils.h"
#include "popen.h"
void print_usage (const char *);
void print_help (const char *);
int
main (int argc, char **argv)
{
int i = 0, found = 0, result = STATE_UNKNOWN;
char *cmd = NULL;
char input_buffer[MAX_INPUT_BUFFER];
if (argc < 2) {
print_usage (progname);
exit (STATE_UNKNOWN);
}
if (!strcmp (argv[1], "-h") || !strcmp (argv[1], "--help")) {
print_help (argv[0]);
exit (STATE_OK);
}
if (!strcmp (argv[1], "-V") || !strcmp (argv[1], "--version")) {
print_revision (progname, "$Revision$");
exit (STATE_OK);
}
if (argc < 2) {
print_usage (progname);
exit (STATE_UNKNOWN);
}
asprintf (&cmd, "%s", argv[2]);
for (i = 3; i < argc; i++) {
asprintf (&cmd, "%s %s", cmd, argv[i]);
}
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);
}
printf ("<A href=\"%s\">", argv[1]);
while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
found++;
if (index (input_buffer, '\n')) {
input_buffer[strcspn (input_buffer, "\n")] = 0;
printf ("%s", input_buffer);
}
else {
printf ("%s", input_buffer);
}
}
if (!found) {
printf ("%s problem - No data recieved from host\nCMD: %s\n</A>\n", argv[0],
cmd);
exit (STATE_UNKNOWN);
}
/* close the pipe */
result = spclose (child_process);
/* WARNING if output found on stderr */
if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
result = max_state (result, STATE_WARNING);
/* close stderr */
(void) fclose (child_stderr);
printf ("</A>\n");
return result;
}
void
print_usage (const char *cmd)
{
printf ("Usage:\n %s <url> <plugin> <arg1> ... <argN>\n", cmd);
}
void
print_help (const char *cmd)
{
print_revision (progname, "$Revision$");
printf ("\
Copyright (c) 2000 Karl DeBisschop (kdebiss@alum.mit.edu)\n\n\
\nThis plugin wraps the text output of another command (plugin) in HTML\n\
<A> tags, thus displaying the plugin output in as a clickable link in\n\
the Nagios status screen. The return status is the same as the invoked\n\
plugin.\n\n");
print_usage (cmd);
printf ("\n\
Pay close attention to quoting to ensure that the shell passes the expected\n\
data to the plugin. For example, in:\n\
\n\
urlize http://example.com/ check_http -H example.com -r 'two words'\n\
\n\
the shell will remove the single quotes and urlize will see:\n\
\n\
urlize http://example.com/ check_http -H example.com -r two words\n\
\n\
You probably want:\n\
\n\
urlize http://example.com/ \"check_http -H example.com -r 'two words'\"\n");
exit (STATE_OK);
}
|
