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diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index b922536eba6b05ef97f56da50efcd6789e59cf41..156765edac0d2234447a88235b7f3fd4c9cb7ad9 100644 (file)
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.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 check_tcp plugin
+*
+* License: GPL
+* Copyright (c) 1999-2008 Nagios Plugins Development Team
+*
+* Description:
+*
+* This file contains the check_tcp 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/>.
+*
+* $Id$
+*
*****************************************************************************/
/* progname "check_tcp" changes depending on symlink called */
char *progname;
-const char *revision = "$Revision$";
-const char *copyright = "1999-2004";
+const char *copyright = "1999-2008";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
#include "netutils.h"
#include "utils.h"
-
-#ifdef HAVE_SSL_H
-# include <rsa.h>
-# include <crypto.h>
-# include <x509.h>
-# include <pem.h>
-# include <ssl.h>
-# include <err.h>
-#else
-# ifdef HAVE_OPENSSL_SSL_H
-# include <openssl/rsa.h>
-# include <openssl/crypto.h>
-# include <openssl/x509.h>
-# include <openssl/pem.h>
-# include <openssl/ssl.h>
-# include <openssl/err.h>
-# endif
-#endif
+#include "utils_tcp.h"
#ifdef HAVE_SSL
-int check_cert = FALSE;
-int days_till_exp;
-char *randbuff = "";
-SSL_CTX *ctx;
-SSL *ssl;
-X509 *server_cert;
-int connect_SSL (void);
-int check_certificate (X509 **);
+static int check_cert = FALSE;
+static int days_till_exp;
+# define my_recv(buf, len) ((flags & FLAG_SSL) ? np_net_ssl_read(buf, len) : read(sd, buf, len))
+# define my_send(buf, len) ((flags & FLAG_SSL) ? np_net_ssl_write(buf, len) : send(sd, buf, len, 0))
+#else
+# define my_recv(buf, len) read(sd, buf, len)
+# define my_send(buf, len) send(sd, buf, len, 0)
#endif
-enum {
- TCP_PROTOCOL = 1,
- UDP_PROTOCOL = 2,
- MAXBUF = 1024
-};
-
-int process_arguments (int, char **);
-int my_recv (void);
+/* int my_recv(char *, size_t); */
+static int process_arguments (int, char **);
void print_help (void);
void print_usage (void);
-char *SERVICE = NULL;
-char *SEND = NULL;
-char *EXPECT = NULL;
-char *QUIT = NULL;
-int PROTOCOL = 0;
-int PORT = 0;
-
-char timestamp[17] = "";
-int server_port = 0;
-char *server_address = NULL;
-char *server_send = NULL;
-char *server_quit = NULL;
-char **server_expect = NULL;
-size_t server_expect_count = 0;
-int maxbytes = 0;
-char **warn_codes = NULL;
-size_t warn_codes_count = 0;
-char **crit_codes = NULL;
-size_t crit_codes_count = 0;
-unsigned int delay = 0;
-double warning_time = 0;
-int check_warning_time = FALSE;
-double critical_time = 0;
-int check_critical_time = FALSE;
-int hide_output = FALSE;
-double elapsed_time = 0;
-long microsec;
-int verbose = FALSE;
-int use_ssl = FALSE;
-int sd = 0;
-char *buffer;
-int expect_mismatch_state = STATE_WARNING;
-int exact_matching = TRUE;
+#define EXPECT server_expect[0]
+static char *SERVICE = "TCP";
+static char *SEND = NULL;
+static char *QUIT = NULL;
+static int PROTOCOL = IPPROTO_TCP; /* most common is default */
+static int PORT = 0;
+
+static int server_port = 0;
+static char *server_address = NULL;
+static char *server_send = NULL;
+static char *server_quit = NULL;
+static char **server_expect;
+static size_t server_expect_count = 0;
+static size_t maxbytes = 0;
+static char **warn_codes = NULL;
+static size_t warn_codes_count = 0;
+static char **crit_codes = NULL;
+static size_t crit_codes_count = 0;
+static unsigned int delay = 0;
+static double warning_time = 0;
+static double critical_time = 0;
+static double elapsed_time = 0;
+static long microsec;
+static int sd = 0;
+#define MAXBUF 1024
+static char buffer[MAXBUF];
+static int expect_mismatch_state = STATE_WARNING;
+
+#define FLAG_SSL 0x01
+#define FLAG_VERBOSE 0x02
+#define FLAG_EXACT_MATCH 0x04
+#define FLAG_TIME_WARN 0x08
+#define FLAG_TIME_CRIT 0x10
+#define FLAG_HIDE_OUTPUT 0x20
+#define FLAG_MATCH_ALL 0x40
+static size_t flags = FLAG_EXACT_MATCH;
int
main (int argc, char **argv)
{
int result = STATE_UNKNOWN;
int i;
- char *status;
+ char *status = NULL;
struct timeval tv;
+ size_t len;
+ int match = -1;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
- if (strstr (argv[0], "check_udp")) {
- progname = strdup ("check_udp");
- SERVICE = strdup ("UDP");
- SEND = NULL;
- EXPECT = NULL;
- QUIT = NULL;
- PROTOCOL = UDP_PROTOCOL;
- PORT = 0;
+ /* determine program- and service-name quickly */
+ progname = strrchr(argv[0], '/');
+ if(progname != NULL) progname++;
+ else progname = argv[0];
+
+ len = strlen(progname);
+ if(len > 6 && !memcmp(progname, "check_", 6)) {
+ SERVICE = strdup(progname + 6);
+ for(i = 0; i < len - 6; i++)
+ SERVICE[i] = toupper(SERVICE[i]);
}
- else if (strstr (argv[0], "check_tcp")) {
- progname = strdup ("check_tcp");
- SERVICE = strdup ("TCP");
- SEND = NULL;
- EXPECT = NULL;
- QUIT = NULL;
- PROTOCOL = TCP_PROTOCOL;
- PORT = 0;
+
+ /* set up a resonable buffer at first (will be realloc()'ed if
+ * user specifies other options) */
+ server_expect = calloc(sizeof(char *), 2);
+
+ /* determine defaults for this service's protocol */
+ if (!strncmp(SERVICE, "UDP", 3)) {
+ PROTOCOL = IPPROTO_UDP;
}
- else if (strstr (argv[0], "check_ftp")) {
- progname = strdup ("check_ftp");
- SERVICE = strdup ("FTP");
- SEND = NULL;
- EXPECT = strdup ("220");
- QUIT = strdup ("QUIT\r\n");
- PROTOCOL = TCP_PROTOCOL;
+ else if (!strncmp(SERVICE, "FTP", 3)) {
+ EXPECT = "220";
+ QUIT = "QUIT\r\n";
PORT = 21;
}
- else if (strstr (argv[0], "check_smtp")) {
- progname = strdup ("check_smtp");
- SERVICE = strdup ("SMTP");
- SEND = NULL;
- EXPECT = strdup ("220");
- QUIT = strdup ("QUIT\r\n");
- PROTOCOL = TCP_PROTOCOL;
- PORT = 25;
- }
- else if (strstr (argv[0], "check_pop")) {
- progname = strdup ("check_pop");
- SERVICE = strdup ("POP");
- SEND = NULL;
- EXPECT = strdup ("+OK");
- QUIT = strdup ("QUIT\r\n");
- PROTOCOL = TCP_PROTOCOL;
+ else if (!strncmp(SERVICE, "POP", 3) || !strncmp(SERVICE, "POP3", 4)) {
+ EXPECT = "+OK";
+ QUIT = "QUIT\r\n";
PORT = 110;
}
- else if (strstr (argv[0], "check_imap")) {
- progname = strdup ("check_imap");
- SERVICE = strdup ("IMAP");
- SEND = NULL;
- EXPECT = strdup ("* OK");
- QUIT = strdup ("a1 LOGOUT\r\n");
- PROTOCOL = TCP_PROTOCOL;
+ else if (!strncmp(SERVICE, "SMTP", 4)) {
+ EXPECT = "220";
+ QUIT = "QUIT\r\n";
+ PORT = 25;
+ }
+ else if (!strncmp(SERVICE, "IMAP", 4)) {
+ EXPECT = "* OK";
+ QUIT = "a1 LOGOUT\r\n";
PORT = 143;
}
#ifdef HAVE_SSL
- else if (strstr(argv[0],"check_simap")) {
- progname = strdup ("check_simap");
- SERVICE = strdup ("SIMAP");
- SEND=NULL;
- EXPECT = strdup ("* OK");
- QUIT = strdup ("a1 LOGOUT\r\n");
- PROTOCOL=TCP_PROTOCOL;
- use_ssl=TRUE;
- PORT=993;
+ else if (!strncmp(SERVICE, "SIMAP", 5)) {
+ EXPECT = "* OK";
+ QUIT = "a1 LOGOUT\r\n";
+ flags |= FLAG_SSL;
+ PORT = 993;
}
- else if (strstr(argv[0],"check_spop")) {
- progname = strdup ("check_spop");
- SERVICE = strdup ("SPOP");
- SEND=NULL;
- EXPECT = strdup ("+OK");
- QUIT = strdup ("QUIT\r\n");
- PROTOCOL=TCP_PROTOCOL;
- use_ssl=TRUE;
- PORT=995;
+ else if (!strncmp(SERVICE, "SPOP", 4)) {
+ EXPECT = "+OK";
+ QUIT = "QUIT\r\n";
+ flags |= FLAG_SSL;
+ PORT = 995;
}
- else if (strstr(argv[0],"check_jabber")) {
- progname = strdup("check_jabber");
- SERVICE = strdup("JABBER");
- SEND = strdup("<stream:stream to=\'host\' xmlns=\'jabber:client\' xmlns:stream=\'http://etherx.jabber.org/streams\'>\n");
- EXPECT = strdup("<?xml version=\'1.0\'?><stream:stream xmlns:stream=\'http://etherx.jabber.org/streams\'");
- QUIT = strdup("</stream:stream>\n");
- PROTOCOL=TCP_PROTOCOL;
- use_ssl=TRUE;
+ else if (!strncmp(SERVICE, "SSMTP", 5)) {
+ EXPECT = "220";
+ QUIT = "QUIT\r\n";
+ flags |= FLAG_SSL;
+ PORT = 465;
+ }
+ else if (!strncmp(SERVICE, "JABBER", 6)) {
+ SEND = "<stream:stream to=\'host\' xmlns=\'jabber:client\' xmlns:stream=\'http://etherx.jabber.org/streams\'>\n";
+ EXPECT = "<?xml version=\'1.0\'?><stream:stream xmlns=\'jabber:client\' xmlns:stream=\'http://etherx.jabber.org/streams\'";
+ QUIT = "</stream:stream>\n";
+ flags |= FLAG_HIDE_OUTPUT;
PORT = 5222;
}
- else if (strstr (argv[0], "check_nntps")) {
- progname = strdup("check_nntps");
- SERVICE = strdup("NNTPS");
- SEND = NULL;
- EXPECT = NULL;
- server_expect = realloc (server_expect, ++server_expect_count);
- asprintf (&server_expect[server_expect_count - 1], "200");
- server_expect = realloc (server_expect, ++server_expect_count);
- asprintf (&server_expect[server_expect_count - 1], "201");
- QUIT = strdup("QUIT\r\n");
- PROTOCOL = TCP_PROTOCOL;
- use_ssl=TRUE;
+ else if (!strncmp (SERVICE, "NNTPS", 5)) {
+ server_expect_count = 2;
+ server_expect[0] = "200";
+ server_expect[1] = "201";
+ QUIT = "QUIT\r\n";
+ flags |= FLAG_SSL;
PORT = 563;
-}
-
+ }
#endif
- else if (strstr (argv[0], "check_nntp")) {
- progname = strdup ("check_nntp");
- SERVICE = strdup ("NNTP");
- SEND = NULL;
- EXPECT = NULL;
- server_expect = realloc (server_expect, sizeof (char *) * (++server_expect_count));
- asprintf (&server_expect[server_expect_count - 1], "200");
- server_expect = realloc (server_expect, sizeof (char *) * (++server_expect_count));
- asprintf (&server_expect[server_expect_count - 1], "201");
- asprintf (&QUIT, "QUIT\r\n");
- PROTOCOL = TCP_PROTOCOL;
+ else if (!strncmp (SERVICE, "NNTP", 4)) {
+ server_expect_count = 2;
+ server_expect = malloc(sizeof(char *) * server_expect_count);
+ server_expect[0] = strdup("200");
+ server_expect[1] = strdup("201");
+ QUIT = "QUIT\r\n";
PORT = 119;
}
- else {
- progname = strdup ("check_tcp");
- usage (_("CRITICAL - Generic check_tcp called with unknown service\n"));
+ else if (!strncmp(SERVICE, "CLAMD", 5)) {
+ SEND = "PING";
+ EXPECT = "PONG";
+ QUIT = NULL;
+ PORT = 3310;
}
+ /* fallthrough check, so it's supposed to use reverse matching */
+ else if (strcmp (SERVICE, "TCP"))
+ usage (_("CRITICAL - Generic check_tcp called with unknown service\n"));
- server_address = strdup ("127.0.0.1");
+ server_address = "127.0.0.1";
server_port = PORT;
server_send = SEND;
server_quit = QUIT;
- status = strdup ("");
+ status = NULL;
+
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
if (process_arguments (argc, argv) == ERROR)
usage4 (_("Could not parse arguments"));
- /* use default expect if none listed in process_arguments() */
- if (EXPECT && server_expect_count == 0) {
- server_expect = malloc (sizeof (char *) * (++server_expect_count));
- server_expect[server_expect_count - 1] = EXPECT;
+ if(flags & FLAG_VERBOSE) {
+ printf("Using service %s\n", SERVICE);
+ printf("Port: %d\n", server_port);
+ printf("flags: 0x%x\n", (int)flags);
}
- /* initialize alarm signal handling */
- signal (SIGALRM, socket_timeout_alarm_handler);
+ if(EXPECT && !server_expect_count)
+ server_expect_count++;
- /* set socket timeout */
+ if(PROTOCOL==IPPROTO_UDP && !(server_expect_count && server_send)){
+ usage(_("With UDP checks, a send/expect string must be specified."));
+ }
+
+ /* set up the timer */
+ signal (SIGALRM, socket_timeout_alarm_handler);
alarm (socket_timeout);
/* try to connect to the host at the given port number */
gettimeofday (&tv, NULL);
+
+ result = np_net_connect (server_address, server_port, &sd, PROTOCOL);
+ if (result == STATE_CRITICAL) return STATE_CRITICAL;
+
#ifdef HAVE_SSL
- if (use_ssl && check_cert == TRUE) {
- if (connect_SSL () != OK)
- die (STATE_CRITICAL,"CRITICAL - Could not make SSL connection\n");
- if ((server_cert = SSL_get_peer_certificate (ssl)) != NULL) {
- result = check_certificate (&server_cert);
- X509_free(server_cert);
- }
- else {
- printf("CRITICAL - Cannot retrieve server certificate.\n");
- result = STATE_CRITICAL;
- }
- SSL_shutdown (ssl);
- SSL_free (ssl);
- SSL_CTX_free (ctx);
- close (sd);
- return result;
- }
- else if (use_ssl)
- result = connect_SSL ();
- else
-#endif
- {
- if (PROTOCOL == UDP_PROTOCOL)
- result = my_udp_connect (server_address, server_port, &sd);
- else
- /* default is TCP */
- result = my_tcp_connect (server_address, server_port, &sd);
+ if (flags & FLAG_SSL){
+ result = np_net_ssl_init(sd);
+ if (result == STATE_OK && check_cert == TRUE) {
+ result = np_net_ssl_check_cert(days_till_exp);
+ if(result != STATE_OK) {
+ printf(_("CRITICAL - Cannot retrieve server certificate.\n"));
+ }
}
-
- if (result == STATE_CRITICAL)
- return STATE_CRITICAL;
+ }
+ if(result != STATE_OK){
+ np_net_ssl_cleanup();
+ if(sd) close(sd);
+ return result;
+ }
+#endif /* HAVE_SSL */
if (server_send != NULL) { /* Something to send? */
- asprintf (&server_send, "%s\r\n", server_send);
-#ifdef HAVE_SSL
- if (use_ssl)
- SSL_write(ssl, server_send, (int)strlen(server_send));
- else
-#endif
- send (sd, server_send, strlen(server_send), 0);
+ my_send(server_send, strlen(server_send));
}
if (delay > 0) {
sleep (delay);
}
- if (server_send || server_expect_count > 0) {
+ if(flags & FLAG_VERBOSE) {
+ if (server_send) {
+ printf("Send string: %s\n", server_send);
+ }
+ if (server_quit) {
+ printf("Quit string: %s\n", server_quit);
+ }
+ printf("server_expect_count: %d\n", (int)server_expect_count);
+ for(i = 0; i < server_expect_count; i++)
+ printf("\t%d: %s\n", i, server_expect[i]);
+ }
+
+ /* if(len) later on, we know we have a non-NULL response */
+ len = 0;
+ if (server_expect_count) {
- buffer = malloc (MAXBUF);
- memset (buffer, '\0', MAXBUF);
/* watch for the expect string */
- while ((i = my_recv ()) > 0) {
- buffer[i] = '\0';
- asprintf (&status, "%s%s", status, buffer);
- if (buffer[i-2] == '\r' && buffer[i-1] == '\n')
+ while ((i = my_recv(buffer, sizeof(buffer))) > 0) {
+ status = realloc(status, len + i + 1);
+ memcpy(&status[len], buffer, i);
+ len += i;
+
+ /* stop reading if user-forced or data-starved */
+ if(i < sizeof(buffer) || (maxbytes && len >= maxbytes))
break;
- if (maxbytes>0 && strlen(status) >= (unsigned)maxbytes)
+
+ if (maxbytes && len >= maxbytes)
break;
}
- /* return a CRITICAL status if we couldn't read any data */
- if (strlen(status) == 0)
+ /* no data when expected, so return critical */
+ if (len == 0)
die (STATE_CRITICAL, _("No data received from host\n"));
- strip (status);
-
- if (status && verbose)
- printf ("%s\n", status);
-
- if (server_expect_count > 0) {
- for (i = 0;; i++) {
- if (verbose)
- printf ("%d %d\n", i, (int)server_expect_count);
- if (i >= (int)server_expect_count)
- die (expect_mismatch_state, _("Unexpected response from host: %s\n"), status);
- /* default expect gets exact matching */
- if (exact_matching) {
- if (strncmp(status, server_expect[i], strlen(server_expect[i])) == 0)
- break;
- } else {
- if (strstr (status, server_expect[i]))
- break;
- }
- }
- }
+ /* force null-termination and strip whitespace from end of output */
+ status[len--] = '\0';
+ /* print raw output if we're debugging */
+ if(flags & FLAG_VERBOSE)
+ printf("received %d bytes from host\n#-raw-recv-------#\n%s\n#-raw-recv-------#\n",
+ (int)len + 1, status);
+ while(isspace(status[len])) status[len--] = '\0';
+
+ match = np_expect_match(status,
+ server_expect,
+ server_expect_count,
+ (flags & FLAG_MATCH_ALL ? TRUE : FALSE),
+ (flags & FLAG_EXACT_MATCH ? TRUE : FALSE),
+ (flags & FLAG_VERBOSE ? TRUE : FALSE));
}
if (server_quit != NULL) {
+ my_send(server_quit, strlen(server_quit));
+ }
#ifdef HAVE_SSL
- if (use_ssl) {
- SSL_write (ssl, server_quit, (int)strlen(server_quit));
- SSL_shutdown (ssl);
- SSL_free (ssl);
- SSL_CTX_free (ctx);
- }
- else {
-#endif
- send (sd, server_quit, strlen (server_quit), 0);
-#ifdef HAVE_SSL
- }
+ np_net_ssl_cleanup();
#endif
- }
-
- /* close the connection */
- if (sd)
- close (sd);
+ if (sd) close (sd);
microsec = deltime (tv);
elapsed_time = (double)microsec / 1.0e6;
- if (check_critical_time == TRUE && elapsed_time > critical_time)
+ if (flags & FLAG_TIME_CRIT && elapsed_time > critical_time)
result = STATE_CRITICAL;
- else if (check_warning_time == TRUE && elapsed_time > warning_time)
+ else if (flags & FLAG_TIME_WARN && elapsed_time > warning_time)
result = STATE_WARNING;
+ /* did we get the response we hoped? */
+ if(match == FALSE && result != STATE_CRITICAL)
+ result = expect_mismatch_state;
+
/* reset the alarm */
alarm (0);
- printf
- (_("%s %s%s - %.3f second response time on port %d"),
- SERVICE,
- state_text (result),
- (was_refused) ? " (refused)" : "",
- elapsed_time, server_port);
+ /* this is a bit stupid, because we don't want to print the
+ * response time (which can look ok to the user) if we didn't get
+ * the response we were looking for. if-else */
+ printf("%s %s - ", SERVICE, state_text(result));
- if (hide_output == FALSE && status && strlen(status) > 0)
- printf (" [%s]", status);
+ if(match == FALSE && len && !(flags & FLAG_HIDE_OUTPUT))
+ printf("Unexpected response from host/socket: %s", status);
+ else {
+ if(match == FALSE)
+ printf("Unexpected response from host/socket on ");
+ else
+ printf("%.3f second response time on ", elapsed_time);
+ if(server_address[0] != '/')
+ printf("port %d", server_port);
+ else
+ printf("socket %s", server_address);
+ }
- printf (" |%s\n", fperfdata ("time", elapsed_time, "s",
- TRUE, warning_time,
- TRUE, critical_time,
- TRUE, 0,
- TRUE, socket_timeout));
+ if (match != FALSE && !(flags & FLAG_HIDE_OUTPUT) && len)
+ printf (" [%s]", status);
+ /* perf-data doesn't apply when server doesn't talk properly,
+ * so print all zeroes on warn and crit. Use fperfdata since
+ * localisation settings can make different outputs */
+ if(match == FALSE)
+ printf ("|%s",
+ fperfdata ("time", elapsed_time, "s",
+ (flags & FLAG_TIME_WARN ? TRUE : FALSE), 0,
+ (flags & FLAG_TIME_CRIT ? TRUE : FALSE), 0,
+ TRUE, 0,
+ TRUE, socket_timeout)
+ );
+ else
+ printf("|%s",
+ fperfdata ("time", elapsed_time, "s",
+ (flags & FLAG_TIME_WARN ? TRUE : FALSE), warning_time,
+ (flags & FLAG_TIME_CRIT ? TRUE : FALSE), critical_time,
+ TRUE, 0,
+ TRUE, socket_timeout)
+ );
+
+ putchar('\n');
return result;
}
/* process command-line arguments */
-int
+static int
process_arguments (int argc, char **argv)
{
int c;
+ int escape = 0;
int option = 0;
static struct option longopts[] = {
{"hostname", required_argument, 0, 'H'},
- {"critical-time", required_argument, 0, 'c'},
- {"warning-time", required_argument, 0, 'w'},
+ {"critical", required_argument, 0, 'c'},
+ {"warning", required_argument, 0, 'w'},
{"critical-codes", required_argument, 0, 'C'},
{"warning-codes", required_argument, 0, 'W'},
{"timeout", required_argument, 0, 't'},
- {"protocol", required_argument, 0, 'P'},
+ {"protocol", required_argument, 0, 'P'}, /* FIXME: Unhandled */
{"port", required_argument, 0, 'p'},
+ {"escape", no_argument, 0, 'E'},
+ {"all", no_argument, 0, 'A'},
{"send", required_argument, 0, 's'},
{"expect", required_argument, 0, 'e'},
{"maxbytes", required_argument, 0, 'm'},
{"quit", required_argument, 0, 'q'},
- {"jail", required_argument, 0, 'j'},
+ {"jail", no_argument, 0, 'j'},
{"delay", required_argument, 0, 'd'},
{"refuse", required_argument, 0, 'r'},
{"mismatch", required_argument, 0, 'M'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
-#ifdef HAVE_SSL
{"ssl", no_argument, 0, 'S'},
{"certificate", required_argument, 0, 'D'},
-#endif
{0, 0, 0, 0}
};
if (argc < 2)
- usage ("No arguments found\n");
+ usage4 (_("No arguments found"));
/* backwards compatibility */
for (c = 1; c < argc; c++) {
}
while (1) {
- c = getopt_long (argc, argv, "+hVv46H:s:e:q:m:c:w:t:p:C:W:d:Sr:jD:M:",
+ c = getopt_long (argc, argv, "+hVv46EAH:s:e:q:m:c:w:t:p:C:W:d:Sr:jD:M:",
longopts, &option);
if (c == -1 || c == EOF || c == 1)
switch (c) {
case '?': /* print short usage statement if args not parsable */
- printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
- print_usage ();
- exit (STATE_UNKNOWN);
+ usage5 ();
case 'h': /* help */
print_help ();
exit (STATE_OK);
case 'V': /* version */
- print_revision (progname, "$Revision$");
+ print_revision (progname, NP_VERSION);
exit (STATE_OK);
case 'v': /* verbose mode */
- verbose = TRUE;
+ flags |= FLAG_VERBOSE;
break;
case '4':
address_family = AF_INET;
#endif
break;
case 'H': /* hostname */
- if (is_host (optarg) == FALSE)
- usage2 (_("Invalid hostname/address"), optarg);
server_address = optarg;
break;
case 'c': /* critical */
- if (!is_intnonneg (optarg))
- usage4 (_("Critical threshold must be a positive integer"));
- else
- critical_time = strtod (optarg, NULL);
- check_critical_time = TRUE;
+ critical_time = strtod (optarg, NULL);
+ flags |= FLAG_TIME_CRIT;
break;
case 'j': /* hide output */
- hide_output = TRUE;
+ flags |= FLAG_HIDE_OUTPUT;
break;
case 'w': /* warning */
- if (!is_intnonneg (optarg))
- usage4 (_("Warning threshold must be a positive integer"));
- else
- warning_time = strtod (optarg, NULL);
- check_warning_time = TRUE;
+ warning_time = strtod (optarg, NULL);
+ flags |= FLAG_TIME_WARN;
break;
case 'C':
crit_codes = realloc (crit_codes, ++crit_codes_count);
else
server_port = atoi (optarg);
break;
+ case 'E':
+ escape = 1;
+ break;
case 's':
- server_send = optarg;
+ if (escape)
+ server_send = np_escaped_string(optarg);
+ else
+ asprintf(&server_send, "%s", optarg);
break;
case 'e': /* expect string (may be repeated) */
- EXPECT = NULL;
- exact_matching = FALSE;
+ flags &= ~FLAG_EXACT_MATCH;
if (server_expect_count == 0)
server_expect = malloc (sizeof (char *) * (++server_expect_count));
else
if (!is_intpos (optarg))
usage4 (_("Maxbytes must be a positive integer"));
else
- maxbytes = atoi (optarg);
+ maxbytes = strtol (optarg, NULL, 0);
+ break;
case 'q':
- asprintf(&server_quit, "%s\r\n", optarg);
+ if (escape)
+ server_quit = np_escaped_string(optarg);
+ else
+ asprintf(&server_quit, "%s\r\n", optarg);
break;
case 'r':
if (!strncmp(optarg,"ok",2))
else
usage4 (_("Delay must be a positive integer"));
break;
- case 'D': /* Check SSL cert validity - days 'til certificate expiration */
+ case 'D': /* Check SSL cert validity - days 'til certificate expiration */
#ifdef HAVE_SSL
+# ifdef USE_OPENSSL /* XXX */
if (!is_intnonneg (optarg))
- usage2 ("invalid certificate expiration period", optarg);
+ usage2 (_("Invalid certificate expiration period"), optarg);
days_till_exp = atoi (optarg);
check_cert = TRUE;
- use_ssl = TRUE;
+ flags |= FLAG_SSL;
break;
+# endif /* USE_OPENSSL */
+#endif
+ /* fallthrough if we don't have ssl */
case 'S':
- use_ssl = TRUE;
+#ifdef HAVE_SSL
+ flags |= FLAG_SSL;
#else
- die (STATE_UNKNOWN, "SSL support not available. Install OpenSSL and recompile.");
+ die (STATE_UNKNOWN, _("Invalid option - SSL is not available"));
#endif
break;
+ case 'A':
+ flags |= FLAG_MATCH_ALL;
+ break;
}
}
if (server_address == NULL)
- usage (_("You must provide a server address\n"));
+ usage4 (_("You must provide a server address"));
+ else if (server_address[0] != '/' && is_host (server_address) == FALSE)
+ die (STATE_CRITICAL, "%s %s - %s: %s\n", SERVICE, state_text(STATE_CRITICAL), _("Invalid hostname, address or socket"), server_address);
return TRUE;
}
-
-#ifdef HAVE_SSL
-int
-connect_SSL (void)
-{
- SSL_METHOD *meth;
-
- /* Initialize SSL context */
- SSLeay_add_ssl_algorithms ();
- meth = SSLv23_client_method ();
- SSL_load_error_strings ();
- OpenSSL_add_all_algorithms();
- if ((ctx = SSL_CTX_new (meth)) == NULL)
- {
- printf (_("CRITICAL - Cannot create SSL context.\n"));
- return STATE_CRITICAL;
- }
-
- /* Initialize alarm signal handling */
- signal (SIGALRM, socket_timeout_alarm_handler);
-
- /* Set socket timeout */
- alarm (socket_timeout);
-
- /* Save start time */
- time (&start_time);
-
- /* Make TCP connection */
- if (my_tcp_connect (server_address, server_port, &sd) == STATE_OK && was_refused == FALSE)
- {
- /* Do the SSL handshake */
- if ((ssl = SSL_new (ctx)) != NULL)
- {
- SSL_set_fd (ssl, sd);
- if (SSL_connect(ssl) == 1)
- return OK;
- /* ERR_print_errors_fp (stderr); */
- printf (_("CRITICAL - Cannot make SSL connection "));
- ERR_print_errors_fp (stdout);
- /* printf("\n"); */
- }
- else
- {
- printf (_("CRITICAL - Cannot initiate SSL handshake.\n"));
- }
- SSL_free (ssl);
- }
-
- SSL_CTX_free (ctx);
- close (sd);
-
- return STATE_CRITICAL;
-}
-#endif
-
-
-
-#ifdef HAVE_SSL
-int
-check_certificate (X509 ** certificate)
-{
- ASN1_STRING *tm;
- int offset;
- struct tm stamp;
- int days_left;
-
-
- /* Retrieve timestamp of certificate */
- tm = X509_get_notAfter (*certificate);
-
- /* Generate tm structure to process timestamp */
- if (tm->type == V_ASN1_UTCTIME) {
- if (tm->length < 10) {
- printf ("CRITICAL - Wrong time format in certificate.\n");
- return STATE_CRITICAL;
- }
- else {
- stamp.tm_year = (tm->data[0] - '0') * 10 + (tm->data[1] - '0');
- if (stamp.tm_year < 50)
- stamp.tm_year += 100;
- offset = 0;
- }
- }
- else {
- if (tm->length < 12) {
- printf ("CRITICAL - Wrong time format in certificate.\n");
- return STATE_CRITICAL;
- }
- else {
- stamp.tm_year =
- (tm->data[0] - '0') * 1000 + (tm->data[1] - '0') * 100 +
- (tm->data[2] - '0') * 10 + (tm->data[3] - '0');
- stamp.tm_year -= 1900;
- offset = 2;
- }
- }
- stamp.tm_mon =
- (tm->data[2 + offset] - '0') * 10 + (tm->data[3 + offset] - '0') - 1;
- stamp.tm_mday =
- (tm->data[4 + offset] - '0') * 10 + (tm->data[5 + offset] - '0');
- stamp.tm_hour =
- (tm->data[6 + offset] - '0') * 10 + (tm->data[7 + offset] - '0');
- stamp.tm_min =
- (tm->data[8 + offset] - '0') * 10 + (tm->data[9 + offset] - '0');
- stamp.tm_sec = 0;
- stamp.tm_isdst = -1;
-
- days_left = (mktime (&stamp) - time (NULL)) / 86400;
- snprintf
- (timestamp, 16, "%02d/%02d/%04d %02d:%02d",
- stamp.tm_mon + 1,
- stamp.tm_mday, stamp.tm_year + 1900, stamp.tm_hour, stamp.tm_min);
-
- if (days_left > 0 && days_left <= days_till_exp) {
- printf ("Certificate expires in %d day(s) (%s).\n", days_left, timestamp);
- return STATE_WARNING;
- }
- if (days_left < 0) {
- printf ("Certificate expired on %s.\n", timestamp);
- return STATE_CRITICAL;
- }
-
- if (days_left == 0) {
- printf ("Certificate expires today (%s).\n", timestamp);
- return STATE_WARNING;
- }
-
- printf ("Certificate will expire on %s.\n", timestamp);
-
- return STATE_OK;
-}
-#endif
-
-
-
-int
-my_recv (void)
-{
- int i;
-
-#ifdef HAVE_SSL
- if (use_ssl) {
- i = SSL_read (ssl, buffer, MAXBUF - 1);
- }
- else {
-#endif
- i = read (sd, buffer, MAXBUF - 1);
-#ifdef HAVE_SSL
- }
-#endif
-
- return i;
-}
-
-
-
void
print_help (void)
{
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
printf (COPYRIGHT, copyright, email);
- printf (_("This plugin tests %s connections with the specified host.\n\n"),
+ printf (_("This plugin tests %s connections with the specified host (or unix socket).\n\n"),
SERVICE);
print_usage ();
- printf (_(UT_HELP_VRSN));
-
- printf (_(UT_HOST_PORT), 'p', "none");
-
- printf (_(UT_IPv46));
-
- printf (_("\
- -s, --send=STRING\n\
- String to send to the server\n\
- -e, --expect=STRING\n\
- String to expect in server response\n\
- -q, --quit=STRING\n\
- String to send server to initiate a clean close of the connection\n"));
-
- printf (_("\
- -r, --refuse=ok|warn|crit\n\
- Accept tcp refusals with states ok, warn, crit (default: crit)\n\
- -M, --mismatch=ok|warn|crit\n\
- Accept expected string mismatches with states ok, warn, crit (default: warn)\n\
- -j, --jail\n\
- Hide output from TCP socket\n\
- -m, --maxbytes=INTEGER\n\
- Close connection once more than this number of bytes are received\n\
- -d, --delay=INTEGER\n\
- Seconds to wait between sending string and polling for response\n"));
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
+
+ printf (UT_HOST_PORT, 'p', "none");
+
+ printf (UT_IPv46);
+
+ printf (" %s\n", "-E, --escape");
+ printf (" %s\n", _("Can use \\n, \\r, \\t or \\ in send or quit string. Must come before send or quit option"));
+ printf (" %s\n", _("Default: nothing added to send, \\r\\n added to end of quit"));
+ printf (" %s\n", "-s, --send=STRING");
+ printf (" %s\n", _("String to send to the server"));
+ printf (" %s\n", "-e, --expect=STRING");
+ printf (" %s %s\n", _("String to expect in server response"), _("(may be repeated)"));
+ printf (" %s\n", "-A, --all");
+ printf (" %s\n", _("All expect strings need to occur in server response. Default is any"));
+ printf (" %s\n", "-q, --quit=STRING");
+ printf (" %s\n", _("String to send server to initiate a clean close of the connection"));
+ printf (" %s\n", "-r, --refuse=ok|warn|crit");
+ printf (" %s\n", _("Accept TCP refusals with states ok, warn, crit (default: crit)"));
+ printf (" %s\n", "-M, --mismatch=ok|warn|crit");
+ printf (" %s\n", _("Accept expected string mismatches with states ok, warn, crit (default: warn)"));
+ printf (" %s\n", "-j, --jail");
+ printf (" %s\n", _("Hide output from TCP socket"));
+ printf (" %s\n", "-m, --maxbytes=INTEGER");
+ printf (" %s\n", _("Close connection once more than this number of bytes are received"));
+ printf (" %s\n", "-d, --delay=INTEGER");
+ printf (" %s\n", _("Seconds to wait between sending string and polling for response"));
#ifdef HAVE_SSL
- printf (_("\
- -D, --certificate=INTEGER\n\
- Minimum number of days a certificate has to be valid.\n\
- -S, --ssl\n\
- Use SSL for the connection.\n"));
+ printf (" %s\n", "-D, --certificate=INTEGER");
+ printf (" %s\n", _("Minimum number of days a certificate has to be valid."));
+ printf (" %s\n", "-S, --ssl");
+ printf (" %s\n", _("Use SSL for the connection."));
#endif
- printf (_(UT_WARN_CRIT));
+ printf (UT_WARN_CRIT);
- printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
+ printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
- printf (_(UT_VERBOSE));
+ printf (UT_VERBOSE);
- printf (_(UT_SUPPORT));
-}
+#ifdef NP_EXTRA_OPTS
+ printf ("\n");
+ printf ("%s\n", _("Notes:"));
+ printf (UT_EXTRA_OPTS_NOTES);
+#endif
+ printf (UT_SUPPORT);
+}
void
print_usage (void)
{
- printf ("\
-Usage: %s -H host -p port [-w <warning time>] [-c <critical time>]\n\
- [-s <send string>] [-e <expect string>] [-q <quit string>]\n\
- [-m <maximum bytes>] [-d <delay>] [-t <timeout seconds>]\n\
- [-r <refuse state>] [-M <mismatch state>] [-v] [-4|-6] [-j]\n\
- [-D <days to cert expiry>] [-S <use SSL>]\n", progname);
+ printf (_("Usage:"));
+ printf ("%s -H host -p port [-w <warning time>] [-c <critical time>] [-s <send string>]\n",progname);
+ printf ("[-e <expect string>] [-q <quit string>][-m <maximum bytes>] [-d <delay>]\n");
+ printf ("[-t <timeout seconds>] [-r <refuse state>] [-M <mismatch state>] [-v] [-4|-6] [-j]\n");
+ printf ("[-D <days to cert expiry>] [-S <use SSL>] [-E]\n");
}
+