summaryrefslogtreecommitdiffstats
path: root/plugins/check_real.c
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/check_real.c')
-rw-r--r--plugins/check_real.c454
1 files changed, 454 insertions, 0 deletions
diff --git a/plugins/check_real.c b/plugins/check_real.c
new file mode 100644
index 0000000..fbdb70f
--- /dev/null
+++ b/plugins/check_real.c
@@ -0,0 +1,454 @@
+/*****************************************************************************
+*
+* Monitoring check_real plugin
+*
+* License: GPL
+* Copyright (c) 2000-2007 Monitoring Plugins Development Team
+*
+* Description:
+*
+* This file contains the check_real plugin
+*
+* This plugin tests the REAL service on the specified host.
+*
+*
+* 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 = "check_real";
+const char *copyright = "2000-2007";
+const char *email = "devel@monitoring-plugins.org";
+
+#include "common.h"
+#include "netutils.h"
+#include "utils.h"
+
+enum {
+ PORT = 554
+};
+
+#define EXPECT "RTSP/1."
+#define URL ""
+
+int process_arguments (int, char **);
+int validate_arguments (void);
+void print_help (void);
+void print_usage (void);
+
+int server_port = PORT;
+char *server_address;
+char *host_name;
+char *server_url = NULL;
+char *server_expect;
+int warning_time = 0;
+int check_warning_time = FALSE;
+int critical_time = 0;
+int check_critical_time = FALSE;
+int verbose = FALSE;
+
+
+
+int
+main (int argc, char **argv)
+{
+ int sd;
+ int result = STATE_UNKNOWN;
+ char buffer[MAX_INPUT_BUFFER];
+ char *status_line = NULL;
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
+
+ if (process_arguments (argc, argv) == ERROR)
+ usage4 (_("Could not parse arguments"));
+
+ /* initialize alarm signal handling */
+ signal (SIGALRM, socket_timeout_alarm_handler);
+
+ /* set socket timeout */
+ alarm (socket_timeout);
+ time (&start_time);
+
+ /* try to connect to the host at the given port number */
+ if (my_tcp_connect (server_address, server_port, &sd) != STATE_OK)
+ die (STATE_CRITICAL, _("Unable to connect to %s on port %d\n"),
+ server_address, server_port);
+
+ /* Part I - Server Check */
+
+ /* send the OPTIONS request */
+ sprintf (buffer, "OPTIONS rtsp://%s:%d RTSP/1.0\r\n", host_name, server_port);
+ result = send (sd, buffer, strlen (buffer), 0);
+
+ /* send the header sync */
+ sprintf (buffer, "CSeq: 1\r\n");
+ result = send (sd, buffer, strlen (buffer), 0);
+
+ /* send a newline so the server knows we're done with the request */
+ sprintf (buffer, "\r\n");
+ result = send (sd, buffer, strlen (buffer), 0);
+
+ /* watch for the REAL connection string */
+ result = recv (sd, buffer, MAX_INPUT_BUFFER - 1, 0);
+
+ /* return a CRITICAL status if we couldn't read any data */
+ if (result == -1)
+ die (STATE_CRITICAL, _("No data received from %s\n"), host_name);
+
+ /* make sure we find the response we are looking for */
+ if (!strstr (buffer, server_expect)) {
+ if (server_port == PORT)
+ printf ("%s\n", _("Invalid REAL response received from host"));
+ else
+ printf (_("Invalid REAL response received from host on port %d\n"),
+ server_port);
+ }
+ else {
+ /* else we got the REAL string, so check the return code */
+
+ time (&end_time);
+
+ result = STATE_OK;
+
+ status_line = (char *) strtok (buffer, "\n");
+
+ if (strstr (status_line, "200"))
+ result = STATE_OK;
+
+ /* client errors result in a warning state */
+ else if (strstr (status_line, "400"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "401"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "402"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "403"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "404"))
+ result = STATE_WARNING;
+
+ /* server errors result in a critical state */
+ else if (strstr (status_line, "500"))
+ result = STATE_CRITICAL;
+ else if (strstr (status_line, "501"))
+ result = STATE_CRITICAL;
+ else if (strstr (status_line, "502"))
+ result = STATE_CRITICAL;
+ else if (strstr (status_line, "503"))
+ result = STATE_CRITICAL;
+
+ else
+ result = STATE_UNKNOWN;
+ }
+
+ /* Part II - Check stream exists and is ok */
+ if ((result == STATE_OK )&& (server_url != NULL) ) {
+
+ /* Part I - Server Check */
+
+ /* send the DESCRIBE request */
+ sprintf (buffer, "DESCRIBE rtsp://%s:%d%s RTSP/1.0\r\n", host_name,
+ server_port, server_url);
+ result = send (sd, buffer, strlen (buffer), 0);
+
+ /* send the header sync */
+ sprintf (buffer, "CSeq: 2\r\n");
+ result = send (sd, buffer, strlen (buffer), 0);
+
+ /* send a newline so the server knows we're done with the request */
+ sprintf (buffer, "\r\n");
+ result = send (sd, buffer, strlen (buffer), 0);
+
+ /* watch for the REAL connection string */
+ result = recv (sd, buffer, MAX_INPUT_BUFFER - 1, 0);
+ buffer[result] = '\0'; /* null terminate received buffer */
+
+ /* return a CRITICAL status if we couldn't read any data */
+ if (result == -1) {
+ printf (_("No data received from host\n"));
+ result = STATE_CRITICAL;
+ }
+ else {
+ /* make sure we find the response we are looking for */
+ if (!strstr (buffer, server_expect)) {
+ if (server_port == PORT)
+ printf ("%s\n", _("Invalid REAL response received from host"));
+ else
+ printf (_("Invalid REAL response received from host on port %d\n"),
+ server_port);
+ }
+ else {
+
+ /* else we got the REAL string, so check the return code */
+
+ time (&end_time);
+
+ result = STATE_OK;
+
+ status_line = (char *) strtok (buffer, "\n");
+
+ if (strstr (status_line, "200"))
+ result = STATE_OK;
+
+ /* client errors result in a warning state */
+ else if (strstr (status_line, "400"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "401"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "402"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "403"))
+ result = STATE_WARNING;
+ else if (strstr (status_line, "404"))
+ result = STATE_WARNING;
+
+ /* server errors result in a critical state */
+ else if (strstr (status_line, "500"))
+ result = STATE_CRITICAL;
+ else if (strstr (status_line, "501"))
+ result = STATE_CRITICAL;
+ else if (strstr (status_line, "502"))
+ result = STATE_CRITICAL;
+ else if (strstr (status_line, "503"))
+ result = STATE_CRITICAL;
+
+ else
+ result = STATE_UNKNOWN;
+ }
+ }
+ }
+
+ /* Return results */
+ if (result == STATE_OK) {
+
+ if (check_critical_time == TRUE
+ && (end_time - start_time) > critical_time) result = STATE_CRITICAL;
+ else if (check_warning_time == TRUE
+ && (end_time - start_time) > warning_time) result =
+ STATE_WARNING;
+
+ /* Put some HTML in here to create a dynamic link */
+ printf (_("REAL %s - %d second response time\n"),
+ state_text (result),
+ (int) (end_time - start_time));
+ }
+ else
+ printf ("%s\n", status_line);
+
+ /* close the connection */
+ close (sd);
+
+ /* reset the alarm */
+ alarm (0);
+
+ return result;
+}
+
+
+
+/* process command-line arguments */
+int
+process_arguments (int argc, char **argv)
+{
+ int c;
+
+ int option = 0;
+ static struct option longopts[] = {
+ {"hostname", required_argument, 0, 'H'},
+ {"IPaddress", required_argument, 0, 'I'},
+ {"expect", required_argument, 0, 'e'},
+ {"url", required_argument, 0, 'u'},
+ {"port", required_argument, 0, 'p'},
+ {"critical", required_argument, 0, 'c'},
+ {"warning", required_argument, 0, 'w'},
+ {"timeout", required_argument, 0, 't'},
+ {"verbose", no_argument, 0, 'v'},
+ {"version", no_argument, 0, 'V'},
+ {"help", no_argument, 0, 'h'},
+ {0, 0, 0, 0}
+ };
+
+ if (argc < 2)
+ return ERROR;
+
+ for (c = 1; c < argc; c++) {
+ if (strcmp ("-to", argv[c]) == 0)
+ strcpy (argv[c], "-t");
+ else if (strcmp ("-wt", argv[c]) == 0)
+ strcpy (argv[c], "-w");
+ else if (strcmp ("-ct", argv[c]) == 0)
+ strcpy (argv[c], "-c");
+ }
+
+ while (1) {
+ c = getopt_long (argc, argv, "+hvVI:H:e:u:p:w:c:t:", longopts,
+ &option);
+
+ if (c == -1 || c == EOF)
+ break;
+
+ switch (c) {
+ case 'I': /* hostname */
+ case 'H': /* hostname */
+ if (server_address)
+ break;
+ else if (is_host (optarg))
+ server_address = optarg;
+ else
+ usage2 (_("Invalid hostname/address"), optarg);
+ break;
+ case 'e': /* string to expect in response header */
+ server_expect = optarg;
+ break;
+ case 'u': /* server URL */
+ server_url = optarg;
+ break;
+ case 'p': /* port */
+ if (is_intpos (optarg)) {
+ server_port = atoi (optarg);
+ }
+ else {
+ usage4 (_("Port must be a positive integer"));
+ }
+ break;
+ case 'w': /* warning time threshold */
+ if (is_intnonneg (optarg)) {
+ warning_time = atoi (optarg);
+ check_warning_time = TRUE;
+ }
+ else {
+ usage4 (_("Warning time must be a positive integer"));
+ }
+ break;
+ case 'c': /* critical time threshold */
+ if (is_intnonneg (optarg)) {
+ critical_time = atoi (optarg);
+ check_critical_time = TRUE;
+ }
+ else {
+ usage4 (_("Critical time must be a positive integer"));
+ }
+ break;
+ case 'v': /* verbose */
+ verbose = TRUE;
+ break;
+ case 't': /* timeout */
+ if (is_intnonneg (optarg)) {
+ socket_timeout = atoi (optarg);
+ }
+ else {
+ usage4 (_("Timeout interval must be a positive integer"));
+ }
+ break;
+ case 'V': /* version */
+ print_revision (progname, NP_VERSION);
+ exit (STATE_UNKNOWN);
+ case 'h': /* help */
+ print_help ();
+ exit (STATE_UNKNOWN);
+ case '?': /* usage */
+ usage5 ();
+ }
+ }
+
+ c = optind;
+ if (server_address==NULL && argc>c) {
+ if (is_host (argv[c])) {
+ server_address = argv[c++];
+ }
+ else {
+ usage2 (_("Invalid hostname/address"), argv[c]);
+ }
+ }
+
+ if (server_address==NULL)
+ usage4 (_("You must provide a server to check"));
+
+ if (host_name==NULL)
+ host_name = strdup (server_address);
+
+ if (server_expect == NULL)
+ server_expect = strdup(EXPECT);
+
+ return validate_arguments ();
+}
+
+
+
+int
+validate_arguments (void)
+{
+ return OK;
+}
+
+
+
+void
+print_help (void)
+{
+ char *myport;
+ xasprintf (&myport, "%d", PORT);
+
+ print_revision (progname, NP_VERSION);
+
+ printf ("Copyright (c) 1999 Pedro Leite <leite@cic.ua.pt>\n");
+ printf (COPYRIGHT, copyright, email);
+
+ printf ("%s\n", _("This plugin tests the REAL service on the specified host."));
+
+ printf ("\n\n");
+
+ print_usage ();
+
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
+
+ printf (UT_HOST_PORT, 'p', myport);
+
+ printf (" %s\n", "-u, --url=STRING");
+ printf (" %s\n", _("Connect to this url"));
+ printf (" %s\n", "-e, --expect=STRING");
+ printf (_("String to expect in first line of server response (default: %s)\n"),
+ EXPECT);
+
+ printf (UT_WARN_CRIT);
+
+ printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
+
+ printf (UT_VERBOSE);
+
+ printf ("\n");
+ printf ("%s\n", _("This plugin will attempt to open an RTSP connection with the host."));
+ printf ("%s\n", _("Successful connects return STATE_OK, refusals and timeouts return"));
+ printf ("%s\n", _("STATE_CRITICAL, other errors return STATE_UNKNOWN. Successful connects,"));
+ printf ("%s\n", _("but incorrect response messages from the host result in STATE_WARNING return"));
+ printf ("%s\n", _("values."));
+
+ printf (UT_SUPPORT);
+}
+
+
+
+void
+print_usage (void)
+{
+ printf ("%s\n", _("Usage:"));
+ printf ("%s -H host [-e expect] [-p port] [-w warn] [-c crit] [-t timeout] [-v]\n", progname);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-25 11:37:58 +0000