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diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 5915af2..5c287b7 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -54,6 +54,8 @@ static int server_port = 0;
54static char *server_address = NULL; 54static char *server_address = NULL;
55static char *server_send = NULL; 55static char *server_send = NULL;
56static char *server_quit = NULL; 56static char *server_quit = NULL;
57char *lineend = "";
58char *lineendquit = "\r\n";
57static char **server_expect; 59static char **server_expect;
58static size_t server_expect_count = 0; 60static size_t server_expect_count = 0;
59static size_t maxbytes = 0; 61static size_t maxbytes = 0;
@@ -369,6 +371,7 @@ process_arguments (int argc, char **argv)
369 {"timeout", required_argument, 0, 't'}, 371 {"timeout", required_argument, 0, 't'},
370 {"protocol", required_argument, 0, 'P'}, 372 {"protocol", required_argument, 0, 'P'},
371 {"port", required_argument, 0, 'p'}, 373 {"port", required_argument, 0, 'p'},
374 {"lineend", required_argument, 0, 'l'},
372 {"send", required_argument, 0, 's'}, 375 {"send", required_argument, 0, 's'},
373 {"expect", required_argument, 0, 'e'}, 376 {"expect", required_argument, 0, 'e'},
374 {"maxbytes", required_argument, 0, 'm'}, 377 {"maxbytes", required_argument, 0, 'm'},
@@ -410,7 +413,7 @@ process_arguments (int argc, char **argv)
410 } 413 }
411 414
412 while (1) { 415 while (1) {
413 c = getopt_long (argc, argv, "+hVv46H:s:e:q:m:c:w:t:p:C:W:d:Sr:jD:M:", 416 c = getopt_long (argc, argv, "+hVv46H:l:s:e:q:m:c:w:t:p:C:W:d:Sr:jD:M:",
414 longopts, &option); 417 longopts, &option);
415 418
416 if (c == -1 || c == EOF || c == 1) 419 if (c == -1 || c == EOF || c == 1)
@@ -478,8 +481,30 @@ process_arguments (int argc, char **argv)
478 else 481 else
479 server_port = atoi (optarg); 482 server_port = atoi (optarg);
480 break; 483 break;
484 case 'l':
485 switch (*optarg) {
486 case 'n':
487 lineend = strdup("\n");
488 lineendquit = lineend;
489 break;
490 case 'r':
491 lineend = strdup("\r");
492 lineendquit = lineend;
493 break;
494 case 'b':
495 lineend = strdup("\r\n");
496 lineendquit = lineend;
497 break;
498 case 'e':
499 lineend = strdup("");
500 lineendquit = lineend;
501 break;
502 default:
503 usage4 (_("Unrecognized option to -l, must be r, n, b or e"));
504 }
505 break;
481 case 's': 506 case 's':
482 server_send = optarg; 507 asprintf(&server_send, "%s%s", optarg, lineend);
483 break; 508 break;
484 case 'e': /* expect string (may be repeated) */ 509 case 'e': /* expect string (may be repeated) */
485 EXPECT = NULL; 510 EXPECT = NULL;
@@ -496,7 +521,7 @@ process_arguments (int argc, char **argv)
496 else 521 else
497 maxbytes = strtol (optarg, NULL, 0); 522 maxbytes = strtol (optarg, NULL, 0);
498 case 'q': 523 case 'q':
499 asprintf(&server_quit, "%s\r\n", optarg); 524 asprintf(&server_quit, "%s%s", optarg, lineendquit);
500 break; 525 break;
501 case 'r': 526 case 'r':
502 if (!strncmp(optarg,"ok",2)) 527 if (!strncmp(optarg,"ok",2))
@@ -575,6 +600,10 @@ print_help (void)
575 printf (_(UT_IPv46)); 600 printf (_(UT_IPv46));
576 601
577 printf (_("\ 602 printf (_("\
603 -l, --lineend=b|e|n|r\n\
604 Ending on -s and -q strings. b - both: <cr><lf> style, e - empty no\n\
605 end, n - newline: newline end, r - return: carriage return end\n\
606 Default is \"-l e -s <send> -l b -q <quit>\".\n\
578 -s, --send=STRING\n\ 607 -s, --send=STRING\n\
579 String to send to the server\n\ 608 String to send to the server\n\
580 -e, --expect=STRING\n\ 609 -e, --expect=STRING\n\
@@ -620,6 +649,6 @@ Usage: %s -H host -p port [-w <warning time>] [-c <critical time>]\n\
620 [-s <send string>] [-e <expect string>] [-q <quit string>]\n\ 649 [-s <send string>] [-e <expect string>] [-q <quit string>]\n\
621 [-m <maximum bytes>] [-d <delay>] [-t <timeout seconds>]\n\ 650 [-m <maximum bytes>] [-d <delay>] [-t <timeout seconds>]\n\
622 [-r <refuse state>] [-M <mismatch state>] [-v] [-4|-6] [-j]\n\ 651 [-r <refuse state>] [-M <mismatch state>] [-v] [-4|-6] [-j]\n\
623 [-D <days to cert expiry>] [-S <use SSL>]\n", progname); 652 [-D <days to cert expiry>] [-S <use SSL>] [-l <n|r|b|e>]\n", progname);
624} 653}
625 654