1 /******************************************************************************
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; either version 2 of the License, or
6 (at your option) any later version.
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 $Id$
19 ******************************************************************************/
21 const char *progname = "check_ldap";
22 const char *revision = "$Revision$";
23 const char *copyright = "2000-2004";
24 const char *email = "nagiosplug-devel@lists.sourceforge.net";
26 #include "common.h"
27 #include "netutils.h"
28 #include "utils.h"
30 #include <lber.h>
31 #include <ldap.h>
33 enum {
34 UNDEFINED = 0,
35 #ifdef HAVE_LDAP_SET_OPTION
36 DEFAULT_PROTOCOL = 2,
37 #endif
38 DEFAULT_PORT = 389
39 };
41 int process_arguments (int, char **);
42 int validate_arguments (void);
43 void print_help (void);
44 void print_usage (void);
46 char ld_defattr[] = "(objectclass=*)";
47 char *ld_attr = ld_defattr;
48 char *ld_host = NULL;
49 char *ld_base = NULL;
50 char *ld_passwd = NULL;
51 char *ld_binddn = NULL;
52 int ld_port = DEFAULT_PORT;
53 #ifdef HAVE_LDAP_SET_OPTION
54 int ld_protocol = DEFAULT_PROTOCOL;
55 #endif
56 double warn_time = UNDEFINED;
57 double crit_time = UNDEFINED;
58 struct timeval tv;
60 int
61 main (int argc, char *argv[])
62 {
64 LDAP *ld;
65 LDAPMessage *result;
67 /* should be int result = STATE_UNKNOWN; */
69 int status = STATE_UNKNOWN;
70 long microsec;
71 double elapsed_time;
73 setlocale (LC_ALL, "");
74 bindtextdomain (PACKAGE, LOCALEDIR);
75 textdomain (PACKAGE);
77 if (process_arguments (argc, argv) == ERROR)
78 usage4 (_("Could not parse arguments"));
80 /* initialize alarm signal handling */
81 signal (SIGALRM, socket_timeout_alarm_handler);
83 /* set socket timeout */
84 alarm (socket_timeout);
86 /* get the start time */
87 gettimeofday (&tv, NULL);
89 /* initialize ldap */
90 if (!(ld = ldap_open (ld_host, ld_port))) {
91 /*ldap_perror(ld, "ldap_open"); */
92 printf (_("Could not connect to the server at port %i\n"), ld_port);
93 return STATE_CRITICAL;
94 }
96 #ifdef HAVE_LDAP_SET_OPTION
97 /* set ldap options */
98 if (ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &ld_protocol) !=
99 LDAP_OPT_SUCCESS ) {
100 printf(_("Could not set protocol version %d\n"), ld_protocol);
101 return STATE_CRITICAL;
102 }
103 #endif
104 /* bind to the ldap server */
105 if (ldap_bind_s (ld, ld_binddn, ld_passwd, LDAP_AUTH_SIMPLE) !=
106 LDAP_SUCCESS) {
107 /*ldap_perror(ld, "ldap_bind"); */
108 printf (_("Could not bind to the ldap-server\n"));
109 return STATE_CRITICAL;
110 }
112 /* do a search of all objectclasses in the base dn */
113 if (ldap_search_s (ld, ld_base, LDAP_SCOPE_BASE, ld_attr, NULL, 0, &result)
114 != LDAP_SUCCESS) {
115 /*ldap_perror(ld, "ldap_search"); */
116 printf (_("Could not search/find objectclasses in %s\n"), ld_base);
117 return STATE_CRITICAL;
118 }
120 /* unbind from the ldap server */
121 ldap_unbind (ld);
123 /* reset the alarm handler */
124 alarm (0);
126 /* calcutate the elapsed time and compare to thresholds */
128 microsec = deltime (tv);
129 elapsed_time = (double)microsec / 1.0e6;
131 if (crit_time!=UNDEFINED && elapsed_time>crit_time)
132 status = STATE_CRITICAL;
133 else if (warn_time!=UNDEFINED && elapsed_time>warn_time)
134 status = STATE_WARNING;
135 else
136 status = STATE_OK;
138 /* print out the result */
139 printf (_("LDAP %s - %.3f seconds response time|%s\n"),
140 state_text (status),
141 elapsed_time,
142 fperfdata ("time", elapsed_time, "s",
143 (int)warn_time, warn_time,
144 (int)crit_time, crit_time,
145 TRUE, 0, FALSE, 0));
147 return status;
148 }
150 /* process command-line arguments */
151 int
152 process_arguments (int argc, char **argv)
153 {
154 int c;
156 int option = 0;
157 /* initialize the long option struct */
158 static struct option longopts[] = {
159 {"help", no_argument, 0, 'h'},
160 {"version", no_argument, 0, 'V'},
161 {"timeout", required_argument, 0, 't'},
162 {"host", required_argument, 0, 'H'},
163 {"base", required_argument, 0, 'b'},
164 {"attr", required_argument, 0, 'a'},
165 {"bind", required_argument, 0, 'D'},
166 {"pass", required_argument, 0, 'P'},
167 #ifdef HAVE_LDAP_SET_OPTION
168 {"ver2", no_argument, 0, '2'},
169 {"ver3", no_argument, 0, '3'},
170 #endif
171 {"use-ipv4", no_argument, 0, '4'},
172 {"use-ipv6", no_argument, 0, '6'},
173 {"port", required_argument, 0, 'p'},
174 {"warn", required_argument, 0, 'w'},
175 {"crit", required_argument, 0, 'c'},
176 {0, 0, 0, 0}
177 };
179 if (argc < 2)
180 return ERROR;
182 for (c = 1; c < argc; c++) {
183 if (strcmp ("-to", argv[c]) == 0)
184 strcpy (argv[c], "-t");
185 }
187 while (1) {
188 c = getopt_long (argc, argv, "hV2346t:c:w:H:b:p:a:D:P:", longopts, &option);
190 if (c == -1 || c == EOF)
191 break;
193 switch (c) {
194 case 'h': /* help */
195 print_help ();
196 exit (STATE_OK);
197 case 'V': /* version */
198 print_revision (progname, revision);
199 exit (STATE_OK);
200 case 't': /* timeout period */
201 if (!is_intnonneg (optarg))
202 usage2 (_("Timeout interval must be a positive integer"), optarg);
203 else
204 socket_timeout = atoi (optarg);
205 break;
206 case 'H':
207 ld_host = optarg;
208 break;
209 case 'b':
210 ld_base = optarg;
211 break;
212 case 'p':
213 ld_port = atoi (optarg);
214 break;
215 case 'a':
216 ld_attr = optarg;
217 break;
218 case 'D':
219 ld_binddn = optarg;
220 break;
221 case 'P':
222 ld_passwd = optarg;
223 break;
224 case 'w':
225 warn_time = strtod (optarg, NULL);
226 break;
227 case 'c':
228 crit_time = strtod (optarg, NULL);
229 break;
230 #ifdef HAVE_LDAP_SET_OPTION
231 case '2':
232 ld_protocol = 2;
233 break;
234 case '3':
235 ld_protocol = 3;
236 break;
237 #endif
238 case '4':
239 address_family = AF_INET;
240 break;
241 case '6':
242 #ifdef USE_IPV6
243 address_family = AF_INET6;
244 #else
245 usage (_("IPv6 support not available\n"));
246 #endif
247 break;
248 default:
249 printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
250 print_usage ();
251 exit (STATE_UNKNOWN);
252 }
253 }
255 c = optind;
256 if (ld_host == NULL && is_host(argv[c]))
257 ld_host = strdup (argv[c++]);
259 if (ld_base == NULL && argv[c])
260 ld_base = strdup (argv[c++]);
262 return validate_arguments ();
263 }
265 int
266 validate_arguments ()
267 {
268 if (ld_host==NULL || strlen(ld_host)==0)
269 usage (_("please specify the host name\n"));
271 if (ld_base==NULL || strlen(ld_base)==0)
272 usage (_("please specify the LDAP base\n"));
274 return OK;
276 }
280 void
281 print_help (void)
282 {
283 char *myport;
284 asprintf (&myport, "%d", DEFAULT_PORT);
286 print_revision (progname, revision);
288 printf ("Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)\n");
289 printf (COPYRIGHT, copyright, email);
291 print_usage ();
293 printf (_(UT_HELP_VRSN));
295 printf (_(UT_HOST_PORT), 'p', myport);
297 printf (_(UT_IPv46));
299 printf (_("\
300 -a [--attr]\n\
301 ldap attribute to search (default: \"(objectclass=*)\"\n\
302 -b [--base]\n\
303 ldap base (eg. ou=my unit, o=my org, c=at)\n\
304 -D [--bind]\n\
305 ldap bind DN (if required)\n\
306 -P [--pass]\n\
307 ldap password (if required)\n"));
309 #ifdef HAVE_LDAP_SET_OPTION
310 printf (_("\
311 -2 [--ver2]\n\
312 use ldap protocol version 2\n\
313 -3 [--ver3]\n\
314 use ldap protocol version 3\n\
315 (default protocol version: %d)\n"),
316 DEFAULT_PROTOCOL);
317 #endif
319 printf (_(UT_WARN_CRIT));
321 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
323 printf (_(UT_VERBOSE));
325 printf (_(UT_SUPPORT));
326 }
330 void
331 print_usage (void)
332 {
333 printf ("\
334 Usage: %s -H <host> -b <base_dn> [-p <port>] [-a <attr>] [-D <binddn>]\n\
335 [-P <password>] [-w <warn_time>] [-c <crit_time>]\n\
336 [-t timeout]%s\n",
337 //(Note: all times are in seconds.)\n",
338 progname,
339 #ifdef HAVE_LDAP_SET_OPTION
340 " [-2|-3] [-4|-6]"
341 #else
342 ""
343 #endif
344 );
345 }