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diff --git a/plugins/check_ldap.c b/plugins/check_ldap.c
index f6e0fca0f16e1187d16f9c1bf68888e93298e4a3..66834e88c6fc55b588a98219a6ef75f3589bbbbc 100644 (file)
--- a/plugins/check_ldap.c
+++ b/plugins/check_ldap.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.
-
-******************************************************************************/
-
-const char *progname = "check_ldap";
-const char *revision = "$Revision$";
-const char *copyright = "2000-2003";
+/*****************************************************************************
+*
+* Nagios check_ldap plugin
+*
+* License: GPL
+* Copyright (c) 2000-2008 Nagios Plugins Development Team
+*
+* Description:
+*
+* This file contains the check_ldap 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/>.
+*
+*
+*****************************************************************************/
+
+/* progname may be check_ldaps */
+char *progname = "check_ldap";
+const char *copyright = "2000-2008";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
#include "utils.h"
#include <lber.h>
+#define LDAP_DEPRECATED 1
#include <ldap.h>
enum {
- UNDEFINED = -1,
+ UNDEFINED = 0,
#ifdef HAVE_LDAP_SET_OPTION
DEFAULT_PROTOCOL = 2,
#endif
DEFAULT_PORT = 389
};
-void
-print_usage ()
-{
- printf (_("\
-Usage: %s -H <host> -b <base_dn> [-p <port>] [-a <attr>] [-D <binddn>]\n\
- [-P <password>] [-w <warn_time>] [-c <crit_time>] [-t timeout]%s\n\
-(Note: all times are in seconds.)\n"),
- progname, (HAVE_LDAP_SET_OPTION ? "[-2|-3] [-4|-6]" : ""));
- printf (_(UT_HLP_VRS), progname, progname);
-}
-
-void
-print_help ()
-{
- char *myport;
- asprintf (&myport, "%d", DEFAULT_PORT);
-
- print_revision (progname, revision);
-
- printf (_("Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)\n"));
- printf (_(COPYRIGHT), copyright, email);
-
- print_usage ();
-
- printf (_(UT_HELP_VRSN));
-
- printf (_(UT_HOST_PORT), 'p', myport);
-
- printf (_(UT_IPv46));
-
- printf (_("\
- -a [--attr]\n\
- ldap attribute to search (default: \"(objectclass=*)\"\n\
- -b [--base]\n\
- ldap base (eg. ou=my unit, o=my org, c=at)\n\
- -D [--bind]\n\
- ldap bind DN (if required)\n\
- -P [--pass]\n\
- ldap password (if required)\n"));
-
-#ifdef HAVE_LDAP_SET_OPTION
- printf (_("\
- -2 [--ver2]\n\
- use ldap protocol version 2\n\
- -3 [--ver3]\n\
- use ldap protocol version 3\n\
- (default protocol version: %d)\n"),
- DEFAULT_PROTOCOL);
-#endif
-
- printf (_(UT_WARN_CRIT));
-
- printf (_(UT_SUPPORT));
-}
-\f
int process_arguments (int, char **);
int validate_arguments (void);
+void print_help (void);
+void print_usage (void);
char ld_defattr[] = "(objectclass=*)";
char *ld_attr = ld_defattr;
-char *ld_host = "";
-char *ld_base = "";
+char *ld_host = NULL;
+char *ld_base = NULL;
char *ld_passwd = NULL;
char *ld_binddn = NULL;
-unsigned int ld_port = DEFAULT_PORT;
+int ld_port = DEFAULT_PORT;
#ifdef HAVE_LDAP_SET_OPTION
int ld_protocol = DEFAULT_PROTOCOL;
#endif
-int warn_time = UNDEFINED;
-int crit_time = UNDEFINED;
+#ifndef LDAP_OPT_SUCCESS
+# define LDAP_OPT_SUCCESS LDAP_SUCCESS
+#endif
+double warn_time = UNDEFINED;
+double crit_time = UNDEFINED;
+struct timeval tv;
+int starttls = FALSE;
+int ssl_on_connect = FALSE;
+int verbose = 0;
+
+/* for ldap tls */
+
+char *SERVICE = "LDAP";
int
main (int argc, char *argv[])
LDAP *ld;
LDAPMessage *result;
- int t_diff;
- time_t time0, time1;
+ /* should be int result = STATE_UNKNOWN; */
+
+ int status = STATE_UNKNOWN;
+ long microsec;
+ double elapsed_time;
+
+ /* for ldap tls */
+
+ int tls;
+ int version=3;
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ if (strstr(argv[0],"check_ldaps")) {
+ asprintf (&progname, "check_ldaps");
+ }
+
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
if (process_arguments (argc, argv) == ERROR)
- usage (_("check_ldap: could not parse arguments\n"));
+ usage4 (_("Could not parse arguments"));
+
+ if (strstr(argv[0],"check_ldaps") && ! starttls && ! ssl_on_connect)
+ starttls = TRUE;
/* initialize alarm signal handling */
signal (SIGALRM, socket_timeout_alarm_handler);
alarm (socket_timeout);
/* get the start time */
- time (&time0);
+ gettimeofday (&tv, NULL);
/* initialize ldap */
+#ifdef HAVE_LDAP_INIT
+ if (!(ld = ldap_init (ld_host, ld_port))) {
+ printf ("Could not connect to the server at port %i\n", ld_port);
+ return STATE_CRITICAL;
+ }
+#else
if (!(ld = ldap_open (ld_host, ld_port))) {
- /*ldap_perror(ld, "ldap_open"); */
+ if (verbose)
+ ldap_perror(ld, "ldap_open");
printf (_("Could not connect to the server at port %i\n"), ld_port);
return STATE_CRITICAL;
}
+#endif /* HAVE_LDAP_INIT */
#ifdef HAVE_LDAP_SET_OPTION
/* set ldap options */
return STATE_CRITICAL;
}
#endif
+
+ if (ld_port == LDAPS_PORT || ssl_on_connect) {
+ asprintf (&SERVICE, "LDAPS");
+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_X_TLS)
+ /* ldaps: set option tls */
+ tls = LDAP_OPT_X_TLS_HARD;
+
+ if (ldap_set_option (ld, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
+ {
+ if (verbose)
+ ldap_perror(ld, "ldaps_option");
+ printf (_("Could not init TLS at port %i!\n"), ld_port);
+ return STATE_CRITICAL;
+ }
+#else
+ printf (_("TLS not supported by the libraries!\n"));
+ return STATE_CRITICAL;
+#endif /* LDAP_OPT_X_TLS */
+ } else if (starttls) {
+ asprintf (&SERVICE, "LDAP-TLS");
+#if defined(HAVE_LDAP_SET_OPTION) && defined(HAVE_LDAP_START_TLS_S)
+ /* ldap with startTLS: set option version */
+ if (ldap_get_option(ld,LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS )
+ {
+ if (version < LDAP_VERSION3)
+ {
+ version = LDAP_VERSION3;
+ ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &version);
+ }
+ }
+ /* call start_tls */
+ if (ldap_start_tls_s(ld, NULL, NULL) != LDAP_SUCCESS)
+ {
+ if (verbose)
+ ldap_perror(ld, "ldap_start_tls");
+ printf (_("Could not init startTLS at port %i!\n"), ld_port);
+ return STATE_CRITICAL;
+ }
+#else
+ printf (_("startTLS not supported by the library, needs LDAPv3!\n"));
+ return STATE_CRITICAL;
+#endif /* HAVE_LDAP_START_TLS_S */
+ }
+
/* bind to the ldap server */
if (ldap_bind_s (ld, ld_binddn, ld_passwd, LDAP_AUTH_SIMPLE) !=
LDAP_SUCCESS) {
- /*ldap_perror(ld, "ldap_bind"); */
- printf (_("Could not bind to the ldap-server\n"));
+ if (verbose)
+ ldap_perror(ld, "ldap_bind");
+ printf (_("Could not bind to the LDAP server\n"));
return STATE_CRITICAL;
}
/* do a search of all objectclasses in the base dn */
if (ldap_search_s (ld, ld_base, LDAP_SCOPE_BASE, ld_attr, NULL, 0, &result)
!= LDAP_SUCCESS) {
- /*ldap_perror(ld, "ldap_search"); */
+ if (verbose)
+ ldap_perror(ld, "ldap_search");
printf (_("Could not search/find objectclasses in %s\n"), ld_base);
return STATE_CRITICAL;
}
/* reset the alarm handler */
alarm (0);
- /* get the finish time */
- time (&time1);
-
/* calcutate the elapsed time and compare to thresholds */
- t_diff = time1 - time0;
- if (crit_time!=UNDEFINED && t_diff>=crit_time) {
- printf (_("LDAP CRITICAL - %i seconds response time\n"), t_diff);
- return STATE_CRITICAL;
- }
+ microsec = deltime (tv);
+ elapsed_time = (double)microsec / 1.0e6;
- if (warn_time!=UNDEFINED && t_diff>=warn_time) {
- printf (_("LDAP WARNING - %i seconds response time\n"), t_diff);
- return STATE_WARNING;
- }
+ if (crit_time!=UNDEFINED && elapsed_time>crit_time)
+ status = STATE_CRITICAL;
+ else if (warn_time!=UNDEFINED && elapsed_time>warn_time)
+ status = STATE_WARNING;
+ else
+ status = STATE_OK;
/* print out the result */
- printf (_("LDAP OK - %i seconds response time\n"), t_diff);
-
- return STATE_OK;
+ printf (_("LDAP %s - %.3f seconds response time|%s\n"),
+ state_text (status),
+ elapsed_time,
+ fperfdata ("time", elapsed_time, "s",
+ (int)warn_time, warn_time,
+ (int)crit_time, crit_time,
+ TRUE, 0, FALSE, 0));
+
+ return status;
}
/* process command-line arguments */
{
int c;
- int option_index = 0;
+ int option = 0;
/* initialize the long option struct */
static struct option longopts[] = {
{"help", no_argument, 0, 'h'},
{"ver2", no_argument, 0, '2'},
{"ver3", no_argument, 0, '3'},
#endif
+ {"starttls", no_argument, 0, 'T'},
+ {"ssl", no_argument, 0, 'S'},
{"use-ipv4", no_argument, 0, '4'},
{"use-ipv6", no_argument, 0, '6'},
{"port", required_argument, 0, 'p'},
{"warn", required_argument, 0, 'w'},
{"crit", required_argument, 0, 'c'},
+ {"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}
};
}
while (1) {
- c = getopt_long (argc, argv, "hV2346t:c:w:H:b:p:a:D:P:", longopts, &option_index);
+ c = getopt_long (argc, argv, "hvV234TS6t:c:w:H:b:p:a:D:P:", longopts, &option);
if (c == -1 || c == EOF)
break;
print_help ();
exit (STATE_OK);
case 'V': /* version */
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
exit (STATE_OK);
case 't': /* timeout period */
if (!is_intnonneg (optarg))
- usage2 (_("timeout interval must be a positive integer"), optarg);
- socket_timeout = atoi (optarg);
+ usage2 (_("Timeout interval must be a positive integer"), optarg);
+ else
+ socket_timeout = atoi (optarg);
break;
case 'H':
ld_host = optarg;
ld_passwd = optarg;
break;
case 'w':
- warn_time = atoi (optarg);
+ warn_time = strtod (optarg, NULL);
break;
case 'c':
- crit_time = atoi (optarg);
+ crit_time = strtod (optarg, NULL);
break;
#ifdef HAVE_LDAP_SET_OPTION
case '2':
case '4':
address_family = AF_INET;
break;
+ case 'v':
+ verbose++;
+ break;
+ case 'T':
+ if (! ssl_on_connect)
+ starttls = TRUE;
+ else
+ usage_va(_("%s cannot be combined with %s"), "-T/--starttls", "-S/--ssl");
+ break;
+ case 'S':
+ if (! starttls) {
+ ssl_on_connect = TRUE;
+ ld_port = LDAPS_PORT;
+ } else
+ usage_va(_("%s cannot be combined with %s"), "-S/--ssl", "-T/--starttls");
+ break;
case '6':
#ifdef USE_IPV6
address_family = AF_INET6;
#endif
break;
default:
- usage (_("check_ldap: could not parse unknown arguments\n"));
- break;
+ usage5 ();
}
}
c = optind;
- if (strlen(ld_host) == 0 && is_host(argv[c])) {
- asprintf (&ld_host, "%s", argv[c++]);
- }
- if (strlen(ld_base) == 0 && argv[c]) {
- asprintf (&ld_base, "%s", argv[c++]);
- }
+ if (ld_host == NULL && is_host(argv[c]))
+ ld_host = strdup (argv[c++]);
+
+ if (ld_base == NULL && argv[c])
+ ld_base = strdup (argv[c++]);
return validate_arguments ();
}
+
int
validate_arguments ()
{
- if (strlen(ld_host) == 0)
- usage (_("please specify the host name\n"));
+ if (ld_host==NULL || strlen(ld_host)==0)
+ usage4 (_("Please specify the host name\n"));
- if (strlen(ld_base) == 0)
- usage (_("please specify the LDAP base\n"));
+ if (ld_base==NULL)
+ usage4 (_("Please specify the LDAP base\n"));
return OK;
+}
+
+
+void
+print_help (void)
+{
+ char *myport;
+ asprintf (&myport, "%d", DEFAULT_PORT);
+
+ print_revision (progname, NP_VERSION);
+
+ printf ("Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)\n");
+ printf (COPYRIGHT, copyright, email);
+ printf ("\n\n");
+
+ print_usage ();
+
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
+
+ printf (UT_HOST_PORT, 'p', myport);
+
+ printf (UT_IPv46);
+
+ printf (" %s\n", "-a [--attr]");
+ printf (" %s\n", _("ldap attribute to search (default: \"(objectclass=*)\""));
+ printf (" %s\n", "-b [--base]");
+ printf (" %s\n", _("ldap base (eg. ou=my unit, o=my org, c=at"));
+ printf (" %s\n", "-D [--bind]");
+ printf (" %s\n", _("ldap bind DN (if required)"));
+ printf (" %s\n", "-P [--pass]");
+ printf (" %s\n", _("ldap password (if required)"));
+ printf (" %s\n", "-T [--starttls]");
+ printf (" %s\n", _("use starttls mechanism introduced in protocol version 3"));
+ printf (" %s\n", "-S [--ssl]");
+ printf (" %s %i\n", _("use ldaps (ldap v2 ssl method). this also sets the default port to"), LDAPS_PORT);
+
+#ifdef HAVE_LDAP_SET_OPTION
+ printf (" %s\n", "-2 [--ver2]");
+ printf (" %s\n", _("use ldap protocol version 2"));
+ printf (" %s\n", "-3 [--ver3]");
+ printf (" %s\n", _("use ldap protocol version 3"));
+ printf (" (%s %d)\n", _("default protocol version:"), DEFAULT_PROTOCOL);
+#endif
+
+ printf (UT_WARN_CRIT);
+
+ printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
+
+ printf (UT_VERBOSE);
+
+ printf ("\n");
+ printf ("%s\n", _("Notes:"));
+ printf (" %s\n", _("If this plugin is called via 'check_ldaps', method 'STARTTLS' will be"));
+ printf (_(" implied (using default port %i) unless --port=636 is specified. In that case\n"), DEFAULT_PORT);
+ printf (" %s\n", _("'SSL on connect' will be used no matter how the plugin was called."));
+ printf (" %s\n", _("This detection is deprecated, please use 'check_ldap' with the '--starttls' or '--ssl' flags"));
+ printf (" %s\n", _("to define the behaviour explicitly instead."));
+#ifdef NP_EXTRA_OPTS
+ printf ("\n");
+ printf (UT_EXTRA_OPTS_NOTES);
+#endif
+
+ printf (UT_SUPPORT);
+}
+
+/* todo
+* add option -4 and -6 to the long manual
+*
+*/
+
+void
+print_usage (void)
+{
+ printf (_("Usage:"));
+ printf (" %s -H <host> -b <base_dn> [-p <port>] [-a <attr>] [-D <binddn>]",progname);
+ printf ("\n [-P <password>] [-w <warn_time>] [-c <crit_time>] [-t timeout]%s\n",
+#ifdef HAVE_LDAP_SET_OPTION
+ "\n [-2|-3] [-4|-6]"
+#else
+ ""
+#endif
+ );
}