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Merge branch 'master' into refactor/check_mrtgraf

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This commit is contained in:
Lorenz Kästle 2025-03-11 12:55:36 +01:00
commit 67e41f1d57
5 changed files with 490 additions and 401 deletions
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2
plugins/Makefile.am
View file

@ -50,12 +50,14 @@ EXTRA_DIST = t \
tests \
$(np_test_scripts) \
check_swap.d \
check_ldap.d \
check_hpjd.d \
check_game.d \
check_dbi.d \
check_ssh.d \
check_dns.d \
check_mrtgraf.d \
check_mrtg.d \
check_apt.d \
check_by_ssh.d \
check_smtp.d \

616
plugins/check_ldap.c
View file

@ -1,30 +1,30 @@
/*****************************************************************************
*
* Monitoring check_ldap plugin
*
* License: GPL
* Copyright (c) 2000-2024 Monitoring 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/>.
*
*
*****************************************************************************/
*
* Monitoring check_ldap plugin
*
* License: GPL
* Copyright (c) 2000-2024 Monitoring 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";
@ -34,209 +34,178 @@ const char *email = "devel@monitoring-plugins.org";
#include "common.h"
#include "netutils.h"
#include "utils.h"
#include "check_ldap.d/config.h"
#include "states.h"
#include <lber.h>
#define LDAP_DEPRECATED 1
#include <ldap.h>
enum {
UNDEFINED = 0,
#ifdef HAVE_LDAP_SET_OPTION
DEFAULT_PROTOCOL = 2,
#endif
DEFAULT_PORT = 389
};
static int process_arguments (int, char **);
static int validate_arguments (void);
static void print_help (void);
void print_usage (void);
typedef struct {
int errorcode;
check_ldap_config config;
} check_ldap_config_wrapper;
static check_ldap_config_wrapper process_arguments(int /*argc*/, char ** /*argv*/);
static check_ldap_config_wrapper validate_arguments(check_ldap_config_wrapper /*config_wrapper*/);
static void print_help(void);
void print_usage(void);
static char ld_defattr[] = "(objectclass=*)";
static char *ld_attr = ld_defattr;
static char *ld_host = NULL;
static char *ld_base = NULL;
static char *ld_passwd = NULL;
static char *ld_binddn = NULL;
static int ld_port = -1;
#ifdef HAVE_LDAP_SET_OPTION
static int ld_protocol = DEFAULT_PROTOCOL;
#endif
#ifndef LDAP_OPT_SUCCESS
# define LDAP_OPT_SUCCESS LDAP_SUCCESS
# define LDAP_OPT_SUCCESS LDAP_SUCCESS
#endif
static double warn_time = UNDEFINED;
static double crit_time = UNDEFINED;
static thresholds *entries_thresholds = NULL;
static struct timeval tv;
static char* warn_entries = NULL;
static char* crit_entries = NULL;
static bool starttls = false;
static bool ssl_on_connect = false;
static bool verbose = false;
static int verbose = 0;
/* for ldap tls */
int main(int argc, char *argv[]) {
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
static char *SERVICE = "LDAP";
int
main (int argc, char *argv[])
{
LDAP *ld;
LDAPMessage *result;
/* should be int result = STATE_UNKNOWN; */
int status = STATE_UNKNOWN;
long microsec;
double elapsed_time;
/* for ldap tls */
int tls;
int version=3;
int status_entries = STATE_OK;
int num_entries = 0;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
if (strstr(argv[0],"check_ldaps")) {
xasprintf (&progname, "check_ldaps");
}
if (strstr(argv[0], "check_ldaps")) {
xasprintf(&progname, "check_ldaps");
}
/* Parse extra opts if any */
argv=np_extra_opts (&argc, argv, progname);
argv = np_extra_opts(&argc, argv, progname);
if (process_arguments (argc, argv) == ERROR)
usage4 (_("Could not parse arguments"));
check_ldap_config_wrapper tmp_config = process_arguments(argc, argv);
if (tmp_config.errorcode == ERROR) {
usage4(_("Could not parse arguments"));
}
if (strstr(argv[0],"check_ldaps") && ! starttls && ! ssl_on_connect)
starttls = true;
const check_ldap_config config = tmp_config.config;
/* initialize alarm signal handling */
signal (SIGALRM, socket_timeout_alarm_handler);
signal(SIGALRM, socket_timeout_alarm_handler);
/* set socket timeout */
alarm (socket_timeout);
alarm(socket_timeout);
/* get the start time */
gettimeofday (&tv, NULL);
struct timeval start_time;
gettimeofday(&start_time, NULL);
LDAP *ldap_connection;
/* 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);
if (!(ldap_connection = ldap_init(config.ld_host, config.ld_port))) {
printf("Could not connect to the server at port %i\n", config.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);
if (!(ld = ldap_open(config.ld_host, config.ld_port))) {
if (verbose) {
ldap_perror(ldap_connection, "ldap_open");
}
printf(_("Could not connect to the server at port %i\n"), config.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);
if (ldap_set_option(ldap_connection, LDAP_OPT_PROTOCOL_VERSION, &config.ld_protocol) != LDAP_OPT_SUCCESS) {
printf(_("Could not set protocol version %d\n"), config.ld_protocol);
return STATE_CRITICAL;
}
#endif
if (ld_port == LDAPS_PORT || ssl_on_connect) {
xasprintf (&SERVICE, "LDAPS");
int version = 3;
int tls;
if (config.ld_port == LDAPS_PORT || config.ssl_on_connect) {
#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);
if (ldap_set_option(ldap_connection, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS) {
if (verbose) {
ldap_perror(ldap_connection, "ldaps_option");
}
printf(_("Could not init TLS at port %i!\n"), config.ld_port);
return STATE_CRITICAL;
}
#else
printf (_("TLS not supported by the libraries!\n"));
printf(_("TLS not supported by the libraries!\n"));
return STATE_CRITICAL;
#endif /* LDAP_OPT_X_TLS */
} else if (starttls) {
xasprintf (&SERVICE, "LDAP-TLS");
} else if (config.starttls) {
#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)
{
if (ldap_get_option(ldap_connection, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
if (version < LDAP_VERSION3) {
version = LDAP_VERSION3;
ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &version);
ldap_set_option(ldap_connection, 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);
if (ldap_start_tls_s(ldap_connection, NULL, NULL) != LDAP_SUCCESS) {
if (verbose) {
ldap_perror(ldap_connection, "ldap_start_tls");
}
printf(_("Could not init startTLS at port %i!\n"), config.ld_port);
return STATE_CRITICAL;
}
#else
printf (_("startTLS not supported by the library, needs LDAPv3!\n"));
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) {
if (verbose)
ldap_perror(ld, "ldap_bind");
printf (_("Could not bind to the LDAP server\n"));
if (ldap_bind_s(ldap_connection, config.ld_binddn, config.ld_passwd, LDAP_AUTH_SIMPLE) != LDAP_SUCCESS) {
if (verbose) {
ldap_perror(ldap_connection, "ldap_bind");
}
printf(_("Could not bind to the LDAP server\n"));
return STATE_CRITICAL;
}
LDAPMessage *result;
int num_entries = 0;
/* do a search of all objectclasses in the base dn */
if (ldap_search_s (ld, ld_base, (crit_entries!=NULL || warn_entries!=NULL) ? LDAP_SCOPE_SUBTREE : LDAP_SCOPE_BASE, ld_attr, NULL, 0, &result)
!= LDAP_SUCCESS) {
if (verbose)
ldap_perror(ld, "ldap_search");
printf (_("Could not search/find objectclasses in %s\n"), ld_base);
if (ldap_search_s(ldap_connection, config.ld_base,
(config.crit_entries != NULL || config.warn_entries != NULL) ? LDAP_SCOPE_SUBTREE : LDAP_SCOPE_BASE, config.ld_attr,
NULL, 0, &result) != LDAP_SUCCESS) {
if (verbose) {
ldap_perror(ldap_connection, "ldap_search");
}
printf(_("Could not search/find objectclasses in %s\n"), config.ld_base);
return STATE_CRITICAL;
} else if (crit_entries!=NULL || warn_entries!=NULL) {
num_entries = ldap_count_entries(ld, result);
}
if (config.crit_entries != NULL || config.warn_entries != NULL) {
num_entries = ldap_count_entries(ldap_connection, result);
}
/* unbind from the ldap server */
ldap_unbind (ld);
ldap_unbind(ldap_connection);
/* reset the alarm handler */
alarm (0);
alarm(0);
/* calculate the elapsed time and compare to thresholds */
microsec = deltime (tv);
elapsed_time = (double)microsec / 1.0e6;
if (crit_time!=UNDEFINED && elapsed_time>crit_time)
long microsec = deltime(start_time);
double elapsed_time = (double)microsec / 1.0e6;
mp_state_enum status = STATE_UNKNOWN;
if (config.crit_time_set && elapsed_time > config.crit_time) {
status = STATE_CRITICAL;
else if (warn_time!=UNDEFINED && elapsed_time>warn_time)
} else if (config.warn_time_set && elapsed_time > config.warn_time) {
status = STATE_WARNING;
else
} else {
status = STATE_OK;
}
if(entries_thresholds != NULL) {
if (config.entries_thresholds != NULL) {
if (verbose) {
printf ("entries found: %d\n", num_entries);
print_thresholds("entry thresholds", entries_thresholds);
printf("entries found: %d\n", num_entries);
print_thresholds("entry thresholds", config.entries_thresholds);
}
status_entries = get_status(num_entries, entries_thresholds);
mp_state_enum status_entries = get_status(num_entries, config.entries_thresholds);
if (status_entries == STATE_CRITICAL) {
status = STATE_CRITICAL;
} else if (status != STATE_CRITICAL) {
@ -245,273 +214,272 @@ main (int argc, char *argv[])
}
/* print out the result */
if (crit_entries!=NULL || warn_entries!=NULL) {
printf (_("LDAP %s - found %d entries in %.3f seconds|%s %s\n"),
state_text (status),
num_entries,
elapsed_time,
fperfdata ("time", elapsed_time, "s",
(int)warn_time, warn_time,
(int)crit_time, crit_time,
true, 0, false, 0),
sperfdata ("entries", (double)num_entries, "",
warn_entries,
crit_entries,
true, 0.0, false, 0.0));
if (config.crit_entries != NULL || config.warn_entries != NULL) {
printf(_("LDAP %s - found %d entries in %.3f seconds|%s %s\n"), state_text(status), num_entries, elapsed_time,
fperfdata("time", elapsed_time, "s", config.warn_time_set, config.warn_time, config.crit_time_set, config.crit_time, true, 0,
false, 0),
sperfdata("entries", (double)num_entries, "", config.warn_entries, config.crit_entries, true, 0.0, false, 0.0));
} else {
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));
printf(_("LDAP %s - %.3f seconds response time|%s\n"), state_text(status), elapsed_time,
fperfdata("time", elapsed_time, "s", config.warn_time_set, config.warn_time, config.crit_time_set, config.crit_time, true, 0,
false, 0));
}
return status;
exit(status);
}
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{
int c;
int option = 0;
check_ldap_config_wrapper process_arguments(int argc, char **argv) {
/* initialize the long option struct */
static struct option longopts[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"timeout", required_argument, 0, 't'},
{"hostname", required_argument, 0, 'H'},
{"base", required_argument, 0, 'b'},
{"attr", required_argument, 0, 'a'},
{"bind", required_argument, 0, 'D'},
{"pass", required_argument, 0, 'P'},
static struct option longopts[] = {{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"timeout", required_argument, 0, 't'},
{"hostname", required_argument, 0, 'H'},
{"base", required_argument, 0, 'b'},
{"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'},
{"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'},
{"warn-entries", required_argument, 0, 'W'},
{"crit-entries", required_argument, 0, 'C'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}
{"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'},
{"warn-entries", required_argument, 0, 'W'},
{"crit-entries", required_argument, 0, 'C'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}};
check_ldap_config_wrapper result = {
.errorcode = OK,
.config = check_ldap_config_init(),
};
if (argc < 2)
return ERROR;
for (c = 1; c < argc; c++) {
if (strcmp ("-to", argv[c]) == 0)
strcpy (argv[c], "-t");
if (argc < 2) {
result.errorcode = ERROR;
return result;
}
for (int index = 1; index < argc; index++) {
if (strcmp("-to", argv[index]) == 0) {
strcpy(argv[index], "-t");
}
}
int option = 0;
while (true) {
c = getopt_long (argc, argv, "hvV234TS6t:c:w:H:b:p:a:D:P:C:W:", longopts, &option);
int option_index = getopt_long(argc, argv, "hvV234TS6t:c:w:H:b:p:a:D:P:C:W:", longopts, &option);
if (c == -1 || c == EOF)
if (option_index == -1 || option_index == EOF) {
break;
}
switch (c) {
case 'h': /* help */
print_help ();
exit (STATE_UNKNOWN);
case 'V': /* version */
print_revision (progname, NP_VERSION);
exit (STATE_UNKNOWN);
case 't': /* timeout period */
if (!is_intnonneg (optarg))
usage2 (_("Timeout interval must be a positive integer"), optarg);
else
socket_timeout = atoi (optarg);
switch (option_index) {
case 'h': /* help */
print_help();
exit(STATE_UNKNOWN);
case 'V': /* version */
print_revision(progname, NP_VERSION);
exit(STATE_UNKNOWN);
case 't': /* timeout period */
if (!is_intnonneg(optarg)) {
usage2(_("Timeout interval must be a positive integer"), optarg);
} else {
socket_timeout = atoi(optarg);
}
break;
case 'H':
ld_host = optarg;
result.config.ld_host = optarg;
break;
case 'b':
ld_base = optarg;
result.config.ld_base = optarg;
break;
case 'p':
ld_port = atoi (optarg);
result.config.ld_port = atoi(optarg);
break;
case 'a':
ld_attr = optarg;
result.config.ld_attr = optarg;
break;
case 'D':
ld_binddn = optarg;
result.config.ld_binddn = optarg;
break;
case 'P':
ld_passwd = optarg;
result.config.ld_passwd = optarg;
break;
case 'w':
warn_time = strtod (optarg, NULL);
result.config.warn_time_set = true;
result.config.warn_time = strtod(optarg, NULL);
break;
case 'c':
crit_time = strtod (optarg, NULL);
result.config.crit_time_set = true;
result.config.crit_time = strtod(optarg, NULL);
break;
case 'W':
warn_entries = optarg;
result.config.warn_entries = optarg;
break;
case 'C':
crit_entries = optarg;
result.config.crit_entries = optarg;
break;
#ifdef HAVE_LDAP_SET_OPTION
case '2':
ld_protocol = 2;
result.config.ld_protocol = 2;
break;
case '3':
ld_protocol = 3;
result.config.ld_protocol = 3;
break;
#endif
#endif // HAVE_LDAP_SET_OPTION
case '4':
address_family = AF_INET;
break;
case 'v':
verbose = true;
verbose++;
break;
case 'T':
if (! ssl_on_connect)
starttls = true;
else
if (!result.config.ssl_on_connect) {
result.config.starttls = true;
} else {
usage_va(_("%s cannot be combined with %s"), "-T/--starttls", "-S/--ssl");
}
break;
case 'S':
if (! starttls) {
ssl_on_connect = true;
if (ld_port == -1)
ld_port = LDAPS_PORT;
} else
if (!result.config.starttls) {
result.config.ssl_on_connect = true;
if (result.config.ld_port == -1) {
result.config.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"));
usage(_("IPv6 support not available\n"));
#endif
break;
default:
usage5 ();
usage5();
}
}
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++]);
if (ld_port == -1)
ld_port = DEFAULT_PORT;
return validate_arguments ();
}
int
validate_arguments ()
{
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"));
if (crit_entries!=NULL || warn_entries!=NULL) {
set_thresholds(&entries_thresholds,
warn_entries, crit_entries);
int index = optind;
if ((result.config.ld_host == NULL) && is_host(argv[index])) {
result.config.ld_host = strdup(argv[index++]);
}
if (ld_passwd==NULL)
ld_passwd = getenv("LDAP_PASSWORD");
return OK;
if ((result.config.ld_base == NULL) && argv[index]) {
result.config.ld_base = strdup(argv[index++]);
}
if (result.config.ld_port == -1) {
result.config.ld_port = DEFAULT_PORT;
}
if (strstr(argv[0], "check_ldaps") && !result.config.starttls && !result.config.ssl_on_connect) {
result.config.starttls = true;
}
return validate_arguments(result);
}
check_ldap_config_wrapper validate_arguments(check_ldap_config_wrapper config_wrapper) {
if (config_wrapper.config.ld_host == NULL || strlen(config_wrapper.config.ld_host) == 0) {
usage4(_("Please specify the host name\n"));
}
void
print_help (void)
{
if (config_wrapper.config.ld_base == NULL) {
usage4(_("Please specify the LDAP base\n"));
}
if (config_wrapper.config.crit_entries != NULL || config_wrapper.config.warn_entries != NULL) {
set_thresholds(&config_wrapper.config.entries_thresholds, config_wrapper.config.warn_entries, config_wrapper.config.crit_entries);
}
if (config_wrapper.config.ld_passwd == NULL) {
config_wrapper.config.ld_passwd = getenv("LDAP_PASSWORD");
}
return config_wrapper;
}
void print_help(void) {
char *myport;
xasprintf (&myport, "%d", DEFAULT_PORT);
xasprintf(&myport, "%d", DEFAULT_PORT);
print_revision (progname, NP_VERSION);
print_revision(progname, NP_VERSION);
printf ("Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)\n");
printf (COPYRIGHT, copyright, email);
printf("Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)\n");
printf(COPYRIGHT, copyright, email);
printf ("\n\n");
printf("\n\n");
print_usage ();
print_usage();
printf (UT_HELP_VRSN);
printf (UT_EXTRA_OPTS);
printf(UT_HELP_VRSN);
printf(UT_EXTRA_OPTS);
printf (UT_HOST_PORT, 'p', myport);
printf(UT_HOST_PORT, 'p', myport);
printf (UT_IPv46);
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, or set the password through environment variable 'LDAP_PASSWORD')"));
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);
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, or set the password through environment variable 'LDAP_PASSWORD')"));
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);
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_WARN_CRIT);
printf (" %s\n", "-W [--warn-entries]");
printf (" %s\n", _("Number of found entries to result in warning status"));
printf (" %s\n", "-C [--crit-entries]");
printf (" %s\n", _("Number of found entries to result in critical status"));
printf(" %s\n", "-W [--warn-entries]");
printf(" %s\n", _("Number of found entries to result in warning status"));
printf(" %s\n", "-C [--crit-entries]");
printf(" %s\n", _("Number of found entries to result in critical status"));
printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
printf(UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
printf (UT_VERBOSE);
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."));
printf (" %s\n", _("The parameters --warn-entries and --crit-entries are optional."));
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."));
printf(" %s\n", _("The parameters --warn-entries and --crit-entries are optional."));
printf (UT_SUPPORT);
printf(UT_SUPPORT);
}
void
print_usage (void)
{
printf ("%s\n", _("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",
void print_usage(void) {
printf("%s\n", _("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]"
"\n [-2|-3] [-4|-6]"
#else
""
""
#endif
);
);
}

60
plugins/check_ldap.d/config.h Normal file
View file

@ -0,0 +1,60 @@
#pragma once
#include "../../config.h"
#include "thresholds.h"
#include <stddef.h>
static char ld_defattr[] = "(objectclass=*)";
enum {
#ifdef HAVE_LDAP_SET_OPTION
DEFAULT_PROTOCOL = 2,
#endif
};
typedef struct {
char *ld_host;
char *ld_base;
char *ld_passwd;
char *ld_binddn;
char *ld_attr;
int ld_port;
bool starttls;
bool ssl_on_connect;
#ifdef HAVE_LDAP_SET_OPTION
int ld_protocol;
#endif
char *warn_entries;
char *crit_entries;
thresholds *entries_thresholds;
bool warn_time_set;
double warn_time;
bool crit_time_set;
double crit_time;
} check_ldap_config;
check_ldap_config check_ldap_config_init() {
check_ldap_config tmp = {
.ld_host = NULL,
.ld_base = NULL,
.ld_passwd = NULL,
.ld_binddn = NULL,
.ld_attr = ld_defattr,
.ld_port = -1,
.starttls = false,
.ssl_on_connect = false,
#ifdef HAVE_LDAP_SET_OPTION
.ld_protocol = DEFAULT_PROTOCOL,
#endif
.warn_entries = NULL,
.crit_entries = NULL,
.entries_thresholds = NULL,
.warn_time_set = false,
.warn_time = 0,
.crit_time_set = false,
.crit_time = 0,
};
return tmp;
}

177
plugins/check_mrtg.c
View file

@ -35,21 +35,18 @@ const char *email = "devel@monitoring-plugins.org";
#include "common.h"
#include "utils.h"
#include "check_mrtg.d/config.h"
typedef struct {
int errorcode;
check_mrtg_config config;
} check_mrtg_config_wrapper;
static check_mrtg_config_wrapper process_arguments(int /*argc*/, char ** /*argv*/);
static check_mrtg_config_wrapper validate_arguments(check_mrtg_config_wrapper /*config_wrapper*/);
static int process_arguments(int /*argc*/, char ** /*argv*/);
static int validate_arguments(void);
static void print_help(void);
void print_usage(void);
static char *log_file = NULL;
static int expire_minutes = 0;
static bool use_average = true;
static int variable_number = -1;
static unsigned long value_warning_threshold = 0L;
static unsigned long value_critical_threshold = 0L;
static char *label;
static char *units;
int main(int argc, char **argv) {
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
@ -58,32 +55,37 @@ int main(int argc, char **argv) {
/* Parse extra opts if any */
argv = np_extra_opts(&argc, argv, progname);
if (process_arguments(argc, argv) == ERROR)
check_mrtg_config_wrapper tmp_config = process_arguments(argc, argv);
if (tmp_config.errorcode == ERROR) {
usage4(_("Could not parse arguments\n"));
}
const check_mrtg_config config = tmp_config.config;
/* open the MRTG log file for reading */
FILE *mtrg_log_file = fopen(log_file, "r");
FILE *mtrg_log_file = fopen(config.log_file, "r");
if (mtrg_log_file == NULL) {
printf(_("Unable to open MRTG log file\n"));
return STATE_UNKNOWN;
}
time_t timestamp = 0L;
unsigned long average_value_rate = 0L;
unsigned long maximum_value_rate = 0L;
time_t timestamp = 0;
unsigned long average_value_rate = 0;
unsigned long maximum_value_rate = 0;
char input_buffer[MAX_INPUT_BUFFER];
int line = 0;
while (fgets(input_buffer, MAX_INPUT_BUFFER - 1, mtrg_log_file)) {
line++;
/* skip the first line of the log file */
if (line == 1)
if (line == 1) {
continue;
}
/* break out of read loop if we've passed the number of entries we want to read */
if (line > 2)
if (line > 2) {
break;
}
/* grab the timestamp */
char *temp_buffer = strtok(input_buffer, " ");
@ -91,23 +93,27 @@ int main(int argc, char **argv) {
/* grab the average value 1 rate */
temp_buffer = strtok(NULL, " ");
if (variable_number == 1)
if (config.variable_number == 1) {
average_value_rate = strtoul(temp_buffer, NULL, 10);
}
/* grab the average value 2 rate */
temp_buffer = strtok(NULL, " ");
if (variable_number == 2)
if (config.variable_number == 2) {
average_value_rate = strtoul(temp_buffer, NULL, 10);
}
/* grab the maximum value 1 rate */
temp_buffer = strtok(NULL, " ");
if (variable_number == 1)
if (config.variable_number == 1) {
maximum_value_rate = strtoul(temp_buffer, NULL, 10);
}
/* grab the maximum value 2 rate */
temp_buffer = strtok(NULL, " ");
if (variable_number == 2)
if (config.variable_number == 2) {
maximum_value_rate = strtoul(temp_buffer, NULL, 10);
}
}
/* close the log file */
@ -122,49 +128,59 @@ int main(int argc, char **argv) {
/* make sure the MRTG data isn't too old */
time_t current_time;
time(&current_time);
if (expire_minutes > 0 && (current_time - timestamp) > (expire_minutes * 60)) {
if (config.expire_minutes > 0 && (current_time - timestamp) > (config.expire_minutes * 60)) {
printf(_("MRTG data has expired (%d minutes old)\n"), (int)((current_time - timestamp) / 60));
return STATE_WARNING;
}
unsigned long rate = 0L;
/* else check the incoming/outgoing rates */
if (use_average)
if (config.use_average) {
rate = average_value_rate;
else
} else {
rate = maximum_value_rate;
}
int result = STATE_OK;
if (rate > value_critical_threshold)
if (config.value_critical_threshold_set && rate > config.value_critical_threshold) {
result = STATE_CRITICAL;
else if (rate > value_warning_threshold)
} else if (config.value_warning_threshold_set && rate > config.value_warning_threshold) {
result = STATE_WARNING;
}
printf("%s. %s = %lu %s|%s\n", (use_average) ? _("Avg") : _("Max"), label, rate, units,
perfdata(label, (long)rate, units, (int)value_warning_threshold, (long)value_warning_threshold, (int)value_critical_threshold,
(long)value_critical_threshold, 0, 0, 0, 0));
printf("%s. %s = %lu %s|%s\n", (config.use_average) ? _("Avg") : _("Max"), config.label, rate, config.units,
perfdata(config.label, (long)rate, config.units, config.value_warning_threshold_set, (long)config.value_warning_threshold,
config.value_critical_threshold_set, (long)config.value_critical_threshold, 0, 0, 0, 0));
return result;
}
/* process command-line arguments */
int process_arguments(int argc, char **argv) {
check_mrtg_config_wrapper process_arguments(int argc, char **argv) {
static struct option longopts[] = {
{"logfile", required_argument, 0, 'F'}, {"expires", required_argument, 0, 'e'}, {"aggregation", required_argument, 0, 'a'},
{"variable", required_argument, 0, 'v'}, {"critical", required_argument, 0, 'c'}, {"warning", required_argument, 0, 'w'},
{"label", required_argument, 0, 'l'}, {"units", required_argument, 0, 'u'}, {"variable", required_argument, 0, 'v'},
{"version", no_argument, 0, 'V'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0}};
if (argc < 2)
return ERROR;
check_mrtg_config_wrapper result = {
.errorcode = OK,
.config = check_mrtg_config_init(),
};
if (argc < 2) {
result.errorcode = ERROR;
return result;
}
for (int i = 1; i < argc; i++) {
if (strcmp("-to", argv[i]) == 0)
if (strcmp("-to", argv[i]) == 0) {
strcpy(argv[i], "-t");
else if (strcmp("-wt", argv[i]) == 0)
} else if (strcmp("-wt", argv[i]) == 0) {
strcpy(argv[i], "-w");
else if (strcmp("-ct", argv[i]) == 0)
} else if (strcmp("-ct", argv[i]) == 0) {
strcpy(argv[i], "-c");
}
}
int option_char;
@ -172,38 +188,39 @@ int process_arguments(int argc, char **argv) {
while (1) {
option_char = getopt_long(argc, argv, "hVF:e:a:v:c:w:l:u:", longopts, &option);
if (option_char == -1 || option_char == EOF)
if (option_char == -1 || option_char == EOF) {
break;
}
switch (option_char) {
case 'F': /* input file */
log_file = optarg;
result.config.log_file = optarg;
break;
case 'e': /* ups name */
expire_minutes = atoi(optarg);
result.config.expire_minutes = atoi(optarg);
break;
case 'a': /* port */
if (!strcmp(optarg, "MAX"))
use_average = false;
else
use_average = true;
result.config.use_average = (bool)(strcmp(optarg, "MAX"));
break;
case 'v':
variable_number = atoi(optarg);
if (variable_number < 1 || variable_number > 2)
result.config.variable_number = atoi(optarg);
if (result.config.variable_number < 1 || result.config.variable_number > 2) {
usage4(_("Invalid variable number"));
}
break;
case 'w': /* critical time threshold */
value_warning_threshold = strtoul(optarg, NULL, 10);
result.config.value_warning_threshold_set = true;
result.config.value_warning_threshold = strtoul(optarg, NULL, 10);
break;
case 'c': /* warning time threshold */
value_critical_threshold = strtoul(optarg, NULL, 10);
result.config.value_critical_threshold_set = true;
result.config.value_critical_threshold = strtoul(optarg, NULL, 10);
break;
case 'l': /* label */
label = optarg;
result.config.label = optarg;
break;
case 'u': /* timeout */
units = optarg;
result.config.units = optarg;
break;
case 'V': /* version */
print_revision(progname, NP_VERSION);
@ -217,63 +234,69 @@ int process_arguments(int argc, char **argv) {
}
option_char = optind;
if (log_file == NULL && argc > option_char) {
log_file = argv[option_char++];
if (result.config.log_file == NULL && argc > option_char) {
result.config.log_file = argv[option_char++];
}
if (expire_minutes <= 0 && argc > option_char) {
if (is_intpos(argv[option_char]))
expire_minutes = atoi(argv[option_char++]);
else
if (result.config.expire_minutes <= 0 && argc > option_char) {
if (is_intpos(argv[option_char])) {
result.config.expire_minutes = atoi(argv[option_char++]);
} else {
die(STATE_UNKNOWN, _("%s is not a valid expiration time\nUse '%s -h' for additional help\n"), argv[option_char], progname);
}
}
if (argc > option_char && strcmp(argv[option_char], "MAX") == 0) {
use_average = false;
result.config.use_average = false;
option_char++;
} else if (argc > option_char && strcmp(argv[option_char], "AVG") == 0) {
use_average = true;
result.config.use_average = true;
option_char++;
}
if (argc > option_char && variable_number == -1) {
variable_number = atoi(argv[option_char++]);
if (variable_number < 1 || variable_number > 2) {
if (argc > option_char && result.config.variable_number == -1) {
result.config.variable_number = atoi(argv[option_char++]);
if (result.config.variable_number < 1 || result.config.variable_number > 2) {
printf("%s :", argv[option_char]);
usage(_("Invalid variable number\n"));
}
}
if (argc > option_char && value_warning_threshold == 0) {
value_warning_threshold = strtoul(argv[option_char++], NULL, 10);
if (argc > option_char && !result.config.value_warning_threshold_set) {
result.config.value_warning_threshold_set = true;
result.config.value_warning_threshold = strtoul(argv[option_char++], NULL, 10);
}
if (argc > option_char && value_critical_threshold == 0) {
value_critical_threshold = strtoul(argv[option_char++], NULL, 10);
if (argc > option_char && !result.config.value_critical_threshold_set) {
result.config.value_critical_threshold_set = true;
result.config.value_critical_threshold = strtoul(argv[option_char++], NULL, 10);
}
if (argc > option_char && strlen(label) == 0) {
label = argv[option_char++];
if (argc > option_char && strlen(result.config.label) == 0) {
result.config.label = argv[option_char++];
}
if (argc > option_char && strlen(units) == 0) {
units = argv[option_char++];
if (argc > option_char && strlen(result.config.units) == 0) {
result.config.units = argv[option_char++];
}
return validate_arguments();
return validate_arguments(result);
}
int validate_arguments(void) {
if (variable_number == -1)
check_mrtg_config_wrapper validate_arguments(check_mrtg_config_wrapper config_wrapper) {
if (config_wrapper.config.variable_number == -1) {
usage4(_("You must supply the variable number"));
}
if (label == NULL)
label = strdup("value");
if (config_wrapper.config.label == NULL) {
config_wrapper.config.label = strdup("value");
}
if (units == NULL)
units = strdup("");
if (config_wrapper.config.units == NULL) {
config_wrapper.config.units = strdup("");
}
return OK;
return config_wrapper;
}
void print_help(void) {

36
plugins/check_mrtg.d/config.h Normal file
View file

@ -0,0 +1,36 @@
#pragma once
#include "../../config.h"
#include <stddef.h>
#include <stdlib.h>
typedef struct {
bool use_average;
int variable_number;
int expire_minutes;
char *label;
char *units;
char *log_file;
bool value_warning_threshold_set;
unsigned long value_warning_threshold;
bool value_critical_threshold_set;
unsigned long value_critical_threshold;
} check_mrtg_config;
check_mrtg_config check_mrtg_config_init() {
check_mrtg_config tmp = {
.use_average = true,
.variable_number = -1,
.expire_minutes = 0,
.label = NULL,
.units = NULL,
.log_file = NULL,
.value_warning_threshold_set = false,
.value_warning_threshold = 0,
.value_critical_threshold_set = false,
.value_critical_threshold = 0,
};
return tmp;
}