X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_ldap.c;h=400d74ad7655f38bdba16a722b7b76e5076ab625;hb=c326b4dc1dd42a50875578f0e7580125a1ddc03c;hp=213dc4a8302b8f6d2b58429b6961db0cbfc71905;hpb=2a68978c564e53cddc90882ee7776a43839dfcff;p=nagiosplug.git diff --git a/plugins/check_ldap.c b/plugins/check_ldap.c index 213dc4a..400d74a 100644 --- a/plugins/check_ldap.c +++ b/plugins/check_ldap.c @@ -1,48 +1,80 @@ -/***************************************************************************** * - * CHECK_LDAP.C - * - * Program: Ldap plugin for Nagios - * License: GPL - * Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at) - * - * Last Modified: $Date$ - * - * Command line: check_ldap -h -b -p -w -w - * - * Description: - * - * This plugin is for testing a ldap server. - * - * Modifications: - * - * 08-25-1999 Ethan Galstad (nagios@nagios.org) - * Modified to use common plugin include file - * - *****************************************************************************/ - -#define PROGNAME "check_ldap" -#define REVISION "$Revision$" - -#include "config.h" +/***************************************************************************** +* +* 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 . +* +* +*****************************************************************************/ + +/* 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 "netutils.h" #include "utils.h" #include +#define LDAP_DEPRECATED 1 #include -#define UNKNOWN -1 +enum { + UNDEFINED = 0, +#ifdef HAVE_LDAP_SET_OPTION + DEFAULT_PROTOCOL = 2, +#endif + DEFAULT_PORT = 389 +}; int process_arguments (int, char **); int validate_arguments (void); -static void print_help (void); -static void print_usage (void); +void print_help (void); +void print_usage (void); char ld_defattr[] = "(objectclass=*)"; char *ld_attr = ld_defattr; -char *ld_host = NULL, *ld_base = NULL, *ld_passwd = NULL, *ld_binddn = NULL; -unsigned int ld_port = 389; -int warn_time = UNKNOWN, crit_time = UNKNOWN; +char *ld_host = NULL; +char *ld_base = NULL; +char *ld_passwd = NULL; +char *ld_binddn = NULL; +int ld_port = DEFAULT_PORT; +#ifdef HAVE_LDAP_SET_OPTION +int ld_protocol = DEFAULT_PROTOCOL; +#endif +#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[]) @@ -51,11 +83,33 @@ 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); @@ -64,28 +118,90 @@ main (int argc, char *argv[]) alarm (socket_timeout); /* get the start time */ - time (&time0); + gettimeofday (&tv, NULL); /* initialize ldap */ - if (!(ld = ldap_open (ld_host, ld_port))) { - /*ldap_perror(ld, "ldap_open"); */ +#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))) { + 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 */ + if (ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &ld_protocol) != + LDAP_OPT_SUCCESS ) { + printf(_("Could not set protocol version %d\n"), ld_protocol); + 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"); */ - printf ("Could not search/find objectclasses in %s\n", ld_base); + if (verbose) + ldap_perror(ld, "ldap_search"); + printf (_("Could not search/find objectclasses in %s\n"), ld_base); return STATE_CRITICAL; } @@ -95,26 +211,28 @@ main (int argc, char *argv[]) /* reset the alarm handler */ alarm (0); - /* get the finish time */ - time (&time1); + /* calcutate the elapsed time and compare to thresholds */ - /* calcutate the elapsed time */ - t_diff = time1 - time0; + microsec = deltime (tv); + elapsed_time = (double)microsec / 1.0e6; - /* check if warn_time or crit_time was exceeded */ - if ((t_diff >= warn_time) && (t_diff < crit_time)) { - printf ("LDAP warning - %i seconds response time\n", t_diff); - return STATE_WARNING; - } - if (t_diff >= crit_time) { - printf ("LDAP critical - %i seconds response time\n", t_diff); - return STATE_CRITICAL; - } + 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 */ @@ -123,8 +241,7 @@ process_arguments (int argc, char **argv) { int c; -#ifdef HAVE_GETOPT_H - int option_index = 0; + int option = 0; /* initialize the long option struct */ static struct option longopts[] = { {"help", no_argument, 0, 'h'}, @@ -135,12 +252,20 @@ process_arguments (int argc, char **argv) {"attr", required_argument, 0, 'a'}, {"bind", required_argument, 0, 'D'}, {"pass", required_argument, 0, 'P'}, +#ifdef HAVE_LDAP_SET_OPTION + {"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} }; -#endif if (argc < 2) return ERROR; @@ -151,11 +276,7 @@ process_arguments (int argc, char **argv) } while (1) { -#ifdef HAVE_GETOPT_H - c = getopt_long (argc, argv, "hVt:c:w:H:b:p:a:D:P:", longopts, &option_index); -#else - c = getopt (argc, argv, "+?hVt:c:w:H:b:p:a:D:P:"); -#endif + c = getopt_long (argc, argv, "hvV234TS6t:c:w:H:b:p:a:D:P:", longopts, &option); if (c == -1 || c == EOF) break; @@ -165,12 +286,13 @@ process_arguments (int argc, char **argv) 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 an 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; @@ -191,68 +313,153 @@ process_arguments (int argc, char **argv) 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; - default: - usage ("check_ldap: could not parse arguments\n"); +#ifdef HAVE_LDAP_SET_OPTION + case '2': + ld_protocol = 2; + break; + case '3': + ld_protocol = 3; + break; +#endif + 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; +#else + usage (_("IPv6 support not available\n")); +#endif + break; + default: + usage5 (); } } - if (ld_host[0] == 0) { - asprintf (&ld_host, "%s", argv[c]); - } + c = optind; + 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 (ld_host[0] == 0 || - ld_base[0] == 0 || - ld_port == UNKNOWN || warn_time == UNKNOWN || crit_time == UNKNOWN) { - return ERROR; - } - else { - return OK; - } + if (ld_host==NULL || strlen(ld_host)==0) + usage4 (_("Please specify the host name\n")); + + if (ld_base==NULL) + usage4 (_("Please specify the LDAP base\n")); + + return OK; } - -/* function print_help */ -static void -print_help () +void +print_help (void) { - print_revision (PROGNAME, REVISION); - printf - ("Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)\n" - "License: GPL\n" "\n"); + 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 - ("\n" - "Options:\n" - "\t-H [--host] ... host\n" - "\t-a [--attr] ... ldap attribute to search (default: \"(objectclass=*)\"\n" - "\t-b [--base] ... ldap base (eg. ou=my unit, o=my org, c=at)\n" - "\t-D [--bind] ... ldap bind DN (if required)\n" - "\t-P [--pass] ... ldap password (if required)\n" - "\t-p [--port] ... ldap port (normaly 389)\n" - "\t-w [--warn] ... time in secs. - if the exceeds the STATE_WARNING will be returned\n" - "\t-c [--crit] ... time in secs. - if the exceeds the STATE_CRITICAL will be returned\n" - "\n"); + + 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 +* +*/ -static void -print_usage () +void +print_usage (void) { - printf - ("Usage: %s -H -b -p [-a ] [-D ]\n" - " [-P ] [-w ] [-c ] [-t timeout]\n" - "(Note: all times are in seconds.)\n", PROGNAME); + printf (_("Usage:")); + printf (" %s -H -b [-p ] [-a ] [-D ]",progname); + printf ("\n [-P ] [-w ] [-c ] [-t timeout]%s\n", +#ifdef HAVE_LDAP_SET_OPTION + "\n [-2|-3] [-4|-6]" +#else + "" +#endif + ); }