aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--plugins/Makefile.am23
-rw-r--r--plugins/netutils.c127
-rw-r--r--plugins/sslutils.c162
3 files changed, 175 insertions, 137 deletions
diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index beefb32f..92227712 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -24,13 +24,15 @@ EXTRA_PROGRAMS = check_mysql check_radius check_pgsql check_snmp check_hpjd \
check_nagios check_by_ssh check_dns check_nt check_ide_smart \
check_procs
-EXTRA_DIST = t utils.c netutils.c popen.c utils.h netutils.h popen.h common.h \
- getaddrinfo.c getaddrinfo.h gethostbyname.c gethostbyname.h
+EXTRA_DIST = t utils.c netutils.c sslutils.c popen.c utils.h netutils.h \
+ popen.h common.h getaddrinfo.c getaddrinfo.h \
+ gethostbyname.c gethostbyname.h
PLUGINHDRS = common.h
BASEOBJS = utils.o ../lib/libnagiosplug.a ../lib/libcoreutils.a
NETOBJS = netutils.o $(BASEOBJS) $(EXTRA_NETOBJS)
+SSLOBJS = sslutils.o
NETLIBS = $(NETOBJS) $(SOCKETLIBS)
TESTS_ENVIRONMENT = perl -I $(top_builddir) -I $(top_srcdir)
@@ -51,7 +53,7 @@ check_dns_LDADD = $(NETLIBS) popen.o
check_dummy_LDADD = $(BASEOBJS)
check_fping_LDADD = $(NETLIBS) popen.o
check_game_LDADD = $(BASEOBJS) popen.o
-check_http_LDADD = $(NETLIBS)
+check_http_LDADD = $(SSLOBJS) $(NETLIBS)
check_hpjd_LDADD = $(NETLIBS) popen.o
check_ldap_LDADD = $(NETLIBS) $(LDAPLIBS)
check_load_LDADD = $(BASEOBJS) popen.o
@@ -68,12 +70,12 @@ check_procs_LDADD = $(BASEOBJS) popen.o
check_radius_LDADD = $(NETLIBS) $(RADIUSLIBS)
check_real_LDADD = $(NETLIBS)
check_snmp_LDADD = $(BASEOBJS) popen.o
-check_smtp_LDADD = $(NETLIBS)
+check_smtp_LDADD = $(SSLOBJS) $(NETLIBS)
check_ssh_LDADD = $(NETLIBS)
check_swap_LDADD = $(MATHLIBS) $(BASEOBJS) popen.o
-check_tcp_LDADD = $(NETLIBS)
+check_tcp_LDADD = $(SSLOBJS) $(NETLIBS)
check_time_LDADD = $(NETLIBS)
-check_udp_LDADD = $(NETLIBS)
+check_udp_LDADD = $(SSLOBJS) $(NETLIBS)
check_ups_LDADD = $(NETLIBS)
check_users_LDADD = $(BASEOBJS) popen.o
check_by_ssh_LDADD = $(NETLIBS) popen.o
@@ -87,7 +89,7 @@ check_dns_DEPENDENCIES = check_dns.c $(NETOBJS) popen.o $(DEPLIBS)
check_dummy_DEPENDENCIES = check_dummy.c $(DEPLIBS)
check_fping_DEPENDENCIES = check_fping.c $(NETOBJS) popen.o $(DEPLIBS)
check_game_DEPENDENCIES = check_game.c $(DEPLIBS)
-check_http_DEPENDENCIES = check_http.c $(NETOBJS) $(DEPLIBS)
+check_http_DEPENDENCIES = check_http.c $(SSLOBJS) $(NETOBJS) $(DEPLIBS)
check_hpjd_DEPENDENCIES = check_hpjd.c $(NETOBJS) popen.o $(DEPLIBS)
check_ide_smart_DEPENDENCIES = check_ide_smart.c $(BASEOBJS) $(DEPLIBS)
check_ldap_DEPENDENCIES = check_ldap.c $(NETOBJS) $(DEPLIBS)
@@ -105,12 +107,12 @@ check_procs_DEPENDENCIES = check_procs.c $(BASEOBJS) popen.o $(DEPLIBS)
check_radius_DEPENDENCIES = check_radius.c $(NETOBJS) $(DEPLIBS)
check_real_DEPENDENCIES = check_real.c $(NETOBJS) $(DEPLIBS)
check_snmp_DEPENDENCIES = check_snmp.c $(BASEOBJS) popen.o $(DEPLIBS)
-check_smtp_DEPENDENCIES = check_smtp.c $(NETOBJS) $(DEPLIBS)
+check_smtp_DEPENDENCIES = check_smtp.c $(SSLOBJS) $(NETOBJS) $(DEPLIBS)
check_ssh_DEPENDENCIES = check_ssh.c $(NETOBJS) $(DEPLIBS)
check_swap_DEPENDENCIES = check_swap.c $(BASEOBJS) popen.o $(DEPLIBS)
-check_tcp_DEPENDENCIES = check_tcp.c $(NETOBJS) $(DEPLIBS)
+check_tcp_DEPENDENCIES = check_tcp.c $(SSLOBJS) $(NETOBJS) $(DEPLIBS)
check_time_DEPENDENCIES = check_time.c $(NETOBJS) $(DEPLIBS)
-check_udp_DEPENDENCIES = check_udp.c $(NETOBJS) $(DEPLIBS)
+check_udp_DEPENDENCIES = check_udp.c $(SSLOBJS) $(NETOBJS) $(DEPLIBS)
check_ups_DEPENDENCIES = check_ups.c $(NETOBJS) $(DEPLIBS)
check_users_DEPENDENCIES = check_users.c $(BASEOBJS) popen.o $(DEPLIBS)
check_by_ssh_DEPENDENCIES = check_by_ssh.c $(NETOBJS) popen.o $(DEPLIBS)
@@ -125,6 +127,7 @@ popen.o: popen.c popen.h $(PLUGINHDRS)
utils.o: utils.c utils.h $(PLUGINHDRS)
netutils.o: netutils.c netutils.h $(PLUGINHDRS)
+sslutils.o: sslutils.c netutils.h $(PLUGINHDRS)
getaddrinfo.o: getaddrinfo.h $(PLUGINHDRS)
diff --git a/plugins/netutils.c b/plugins/netutils.c
index 2678f911..db64ef09 100644
--- a/plugins/netutils.c
+++ b/plugins/netutils.c
@@ -234,133 +234,6 @@ np_net_connect (const char *host_name, int port, int *sd, int proto)
}
}
-#ifdef HAVE_SSL
-static SSL_CTX *c=NULL;
-static SSL *s=NULL;
-
-int np_net_ssl_init (int sd){
- SSL_METHOD *m=NULL;
- /* Initialize SSL context */
- SSLeay_add_ssl_algorithms ();
- m = SSLv23_client_method ();
- SSL_load_error_strings ();
- OpenSSL_add_all_algorithms();
- if ((c = SSL_CTX_new (m)) == NULL) {
- printf (_("CRITICAL - Cannot create SSL context.\n"));
- return STATE_CRITICAL;
- }
- if ((s = SSL_new (c)) != NULL){
- SSL_set_fd (s, sd);
- if (SSL_connect(s) == 1){
- return OK;
- } else {
- printf (_("CRITICAL - Cannot make SSL connection "));
-#ifdef USE_OPENSSL /* XXX look into ERR_error_string */
- ERR_print_errors_fp (stdout);
-#endif /* USE_OPENSSL */
- }
- } else {
- printf (_("CRITICAL - Cannot initiate SSL handshake.\n"));
- }
- return STATE_CRITICAL;
-}
-
-void np_net_ssl_cleanup (){
- if(s){
- SSL_shutdown (s);
- SSL_free (s);
- if(c) SSL_CTX_free (c);
- }
-}
-
-int np_net_ssl_write(const void *buf, int num){
- return SSL_write(s, buf, num);
-}
-
-int np_net_ssl_read(void *buf, int num){
- return SSL_read(s, buf, num);
-}
-
-int np_net_ssl_check_cert(int days_till_exp){
-# ifdef USE_OPENSSL
- X509 *certificate=NULL;
- ASN1_STRING *tm;
- int offset;
- struct tm stamp;
- int days_left;
- char timestamp[17] = "";
-
- certificate=SSL_get_peer_certificate(s);
- if(! certificate){
- printf (_("CRITICAL - Cannot retrieve server certificate.\n"));
- return STATE_CRITICAL;
- }
-
- /* 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, 17, "%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 (_("WARNING - Certificate expires in %d day(s) (%s).\n"), days_left, timestamp);
- return STATE_WARNING;
- } else if (days_left < 0) {
- printf (_("CRITICAL - Certificate expired on %s.\n"), timestamp);
- return STATE_CRITICAL;
- } else if (days_left == 0) {
- printf (_("WARNING - Certificate expires today (%s).\n"), timestamp);
- return STATE_WARNING;
- }
-
- printf (_("OK - Certificate will expire on %s.\n"), timestamp);
- X509_free (certificate);
- return STATE_OK;
-# else /* ifndef USE_OPENSSL */
- printf (_("WARNING - Plugin does not support checking certificates.\n"));
- return STATE_WARNING;
-# endif /* USE_OPENSSL */
-}
-
-#endif /* HAVE_SSL */
-
int
send_request (int sd, int proto, const char *send_buffer, char *recv_buffer, int recv_size)
{
diff --git a/plugins/sslutils.c b/plugins/sslutils.c
new file mode 100644
index 00000000..d785fb75
--- /dev/null
+++ b/plugins/sslutils.c
@@ -0,0 +1,162 @@
+/****************************************************************************
+*
+* Nagios plugins SSL utilities
+*
+* License: GPL
+* Copyright (c) 2005 nagios-plugins team
+*
+* Last Modified: $Date$
+*
+* Description:
+*
+* This file contains common functions for plugins that require SSL.
+*
+* License Information:
+*
+* 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.
+*
+* $Id$
+*
+****************************************************************************/
+
+#include "common.h"
+#include "netutils.h"
+
+#ifdef HAVE_SSL
+static SSL_CTX *c=NULL;
+static SSL *s=NULL;
+
+int np_net_ssl_init (int sd){
+ SSL_METHOD *m=NULL;
+ /* Initialize SSL context */
+ SSLeay_add_ssl_algorithms ();
+ m = SSLv23_client_method ();
+ SSL_load_error_strings ();
+ OpenSSL_add_all_algorithms();
+ if ((c = SSL_CTX_new (m)) == NULL) {
+ printf (_("CRITICAL - Cannot create SSL context.\n"));
+ return STATE_CRITICAL;
+ }
+ if ((s = SSL_new (c)) != NULL){
+ SSL_set_fd (s, sd);
+ if (SSL_connect(s) == 1){
+ return OK;
+ } else {
+ printf (_("CRITICAL - Cannot make SSL connection "));
+# ifdef USE_OPENSSL /* XXX look into ERR_error_string */
+ ERR_print_errors_fp (stdout);
+# endif /* USE_OPENSSL */
+ }
+ } else {
+ printf (_("CRITICAL - Cannot initiate SSL handshake.\n"));
+ }
+ return STATE_CRITICAL;
+}
+
+void np_net_ssl_cleanup (){
+ if(s){
+ SSL_shutdown (s);
+ SSL_free (s);
+ if(c) SSL_CTX_free (c);
+ }
+}
+
+int np_net_ssl_write(const void *buf, int num){
+ return SSL_write(s, buf, num);
+}
+
+int np_net_ssl_read(void *buf, int num){
+ return SSL_read(s, buf, num);
+}
+
+int np_net_ssl_check_cert(int days_till_exp){
+# ifdef USE_OPENSSL
+ X509 *certificate=NULL;
+ ASN1_STRING *tm;
+ int offset;
+ struct tm stamp;
+ int days_left;
+ char timestamp[17] = "";
+
+ certificate=SSL_get_peer_certificate(s);
+ if(! certificate){
+ printf (_("CRITICAL - Cannot retrieve server certificate.\n"));
+ return STATE_CRITICAL;
+ }
+
+ /* 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, 17, "%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 (_("WARNING - Certificate expires in %d day(s) (%s).\n"), days_left, timestamp);
+ return STATE_WARNING;
+ } else if (days_left < 0) {
+ printf (_("CRITICAL - Certificate expired on %s.\n"), timestamp);
+ return STATE_CRITICAL;
+ } else if (days_left == 0) {
+ printf (_("WARNING - Certificate expires today (%s).\n"), timestamp);
+ return STATE_WARNING;
+ }
+
+ printf (_("OK - Certificate will expire on %s.\n"), timestamp);
+ X509_free (certificate);
+ return STATE_OK;
+# else /* ifndef USE_OPENSSL */
+ printf (_("WARNING - Plugin does not support checking certificates.\n"));
+ return STATE_WARNING;
+# endif /* USE_OPENSSL */
+}
+
+#endif /* HAVE_SSL */