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authorAlexander A. Klimov <grandmaster@al2klimov.de>2020-01-07 20:57:24 +0100
committerSven Nierlein <sven@nierlein.org>2020-01-07 21:32:15 +0100
commitf53ea7afd8e124690871ebdb79a1432e4dd14488 (patch)
tree7952857f78609e686c7bea600b913e41565b6ca1 /plugins/check_tcp.c
parent9da7cd76813870632ff93659d176ead0848b8ee9 (diff)
downloadmonitoring-plugins-f53ea7afd8e124690871ebdb79a1432e4dd14488.tar.gz
check_tcp: add --sni
Diffstat (limited to 'plugins/check_tcp.c')
-rw-r--r--plugins/check_tcp.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 61333bd7..1365b9cb 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -86,6 +86,11 @@ static char buffer[MAXBUF];
86static int expect_mismatch_state = STATE_WARNING; 86static int expect_mismatch_state = STATE_WARNING;
87static int match_flags = NP_MATCH_EXACT; 87static int match_flags = NP_MATCH_EXACT;
88 88
89#ifdef HAVE_SSL
90static char *sni = NULL;
91static int sni_specified = FALSE;
92#endif
93
89#define FLAG_SSL 0x01 94#define FLAG_SSL 0x01
90#define FLAG_VERBOSE 0x02 95#define FLAG_VERBOSE 0x02
91#define FLAG_TIME_WARN 0x04 96#define FLAG_TIME_WARN 0x04
@@ -241,7 +246,7 @@ main (int argc, char **argv)
241 246
242#ifdef HAVE_SSL 247#ifdef HAVE_SSL
243 if (flags & FLAG_SSL){ 248 if (flags & FLAG_SSL){
244 result = np_net_ssl_init(sd); 249 result = np_net_ssl_init_with_hostname(sd, (sni_specified ? sni : NULL));
245 if (result == STATE_OK && check_cert == TRUE) { 250 if (result == STATE_OK && check_cert == TRUE) {
246 result = np_net_ssl_check_cert(days_till_exp_warn, days_till_exp_crit); 251 result = np_net_ssl_check_cert(days_till_exp_warn, days_till_exp_crit);
247 } 252 }
@@ -401,6 +406,10 @@ process_arguments (int argc, char **argv)
401 int escape = 0; 406 int escape = 0;
402 char *temp; 407 char *temp;
403 408
409 enum {
410 SNI_OPTION = CHAR_MAX + 1
411 };
412
404 int option = 0; 413 int option = 0;
405 static struct option longopts[] = { 414 static struct option longopts[] = {
406 {"hostname", required_argument, 0, 'H'}, 415 {"hostname", required_argument, 0, 'H'},
@@ -427,6 +436,7 @@ process_arguments (int argc, char **argv)
427 {"version", no_argument, 0, 'V'}, 436 {"version", no_argument, 0, 'V'},
428 {"help", no_argument, 0, 'h'}, 437 {"help", no_argument, 0, 'h'},
429 {"ssl", no_argument, 0, 'S'}, 438 {"ssl", no_argument, 0, 'S'},
439 {"sni", required_argument, 0, SNI_OPTION},
430 {"certificate", required_argument, 0, 'D'}, 440 {"certificate", required_argument, 0, 'D'},
431 {0, 0, 0, 0} 441 {0, 0, 0, 0}
432 }; 442 };
@@ -604,6 +614,15 @@ process_arguments (int argc, char **argv)
604 die (STATE_UNKNOWN, _("Invalid option - SSL is not available")); 614 die (STATE_UNKNOWN, _("Invalid option - SSL is not available"));
605#endif 615#endif
606 break; 616 break;
617 case SNI_OPTION:
618#ifdef HAVE_SSL
619 flags |= FLAG_SSL;
620 sni_specified = TRUE;
621 sni = optarg;
622#else
623 die (STATE_UNKNOWN, _("Invalid option - SSL is not available"));
624#endif
625 break;
607 case 'A': 626 case 'A':
608 match_flags |= NP_MATCH_ALL; 627 match_flags |= NP_MATCH_ALL;
609 break; 628 break;
@@ -671,6 +690,8 @@ print_help (void)
671 printf (" %s\n", _("1st is #days for warning, 2nd is critical (if not specified - 0).")); 690 printf (" %s\n", _("1st is #days for warning, 2nd is critical (if not specified - 0)."));
672 printf (" %s\n", "-S, --ssl"); 691 printf (" %s\n", "-S, --ssl");
673 printf (" %s\n", _("Use SSL for the connection.")); 692 printf (" %s\n", _("Use SSL for the connection."));
693 printf (" %s\n", "--sni=STRING");
694 printf (" %s\n", _("SSL server_name"));
674#endif 695#endif
675 696
676 printf (UT_WARN_CRIT); 697 printf (UT_WARN_CRIT);