New function to for escaped strings from command line for send/quit.

[nagiosplug.git] / plugins / check_tcp.c

diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index d8fc26e7d3e7aee3f273c3f536ac0c8b27111ccf..5fe024bec4914a0f8650b32235f8d909dc55fc49 100644 (file)
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -54,8 +54,6 @@ static int server_port = 0;
 static char *server_address = NULL;
 static char *server_send = NULL;
 static char *server_quit = NULL;
-char *lineend = "";
-char *lineendquit = "\r\n";
 static char **server_expect;
 static size_t server_expect_count = 0;
 static size_t maxbytes = 0;
@@ -246,6 +244,12 @@ main (int argc, char **argv)
        }
 
        if(flags & FLAG_VERBOSE) {
+               if (server_send) {
+                       printf("Send string: %s\n", server_send);
+               }
+               if (server_quit) {
+                       printf("Quit string: %s\n", server_quit);
+               }
                printf("server_expect_count: %d\n", (int)server_expect_count);
                for(i = 0; i < server_expect_count; i++)
                        printf("\t%d: %s\n", i, server_expect[i]);
@@ -364,6 +368,7 @@ static int
 process_arguments (int argc, char **argv)
 {
        int c;
+       int escape = 0;
 
        int option = 0;
        static struct option longopts[] = {
@@ -375,7 +380,7 @@ process_arguments (int argc, char **argv)
                {"timeout", required_argument, 0, 't'},
                {"protocol", required_argument, 0, 'P'},
                {"port", required_argument, 0, 'p'},
-               {"lineend", required_argument, 0, 'l'},
+               {"escape", required_argument, 0, 'E'},
                {"send", required_argument, 0, 's'},
                {"expect", required_argument, 0, 'e'},
                {"maxbytes", required_argument, 0, 'm'},
@@ -417,7 +422,7 @@ process_arguments (int argc, char **argv)
        }
 
        while (1) {
-               c = getopt_long (argc, argv, "+hVv46H:l:s:e:q:m:c:w:t:p:C:W:d:Sr:jD:M:",
+               c = getopt_long (argc, argv, "+hVv46EH:s:e:q:m:c:w:t:p:C:W:d:Sr:jD:M:",
                                 longopts, &option);
 
                if (c == -1 || c == EOF || c == 1)
@@ -485,30 +490,14 @@ process_arguments (int argc, char **argv)
                        else
                                server_port = atoi (optarg);
                        break;
-               case 'l':
-                       switch (*optarg) {
-                               case 'n':
-                                 lineend = strdup("\n");
-                                 lineendquit = lineend;
-                                 break;
-                               case 'r':
-                                 lineend = strdup("\r");
-                                 lineendquit = lineend;
-                                 break;
-                               case 'b':
-                                 lineend = strdup("\r\n");
-                                 lineendquit = lineend;
-                                 break;
-                               case 'e':
-                                 lineend = strdup("");
-                                 lineendquit = lineend;
-                                 break;
-                               default:
-                                 usage4 (_("Unrecognized option to -l, must be r, n, b or e"));
-                        }
+               case 'E':
+                       escape = 1;
                        break;
                case 's':
-                       asprintf(&server_send, "%s%s", optarg, lineend);
+                       if (escape)
+                               server_send = np_escaped_string(optarg);
+                       else
+                               asprintf(&server_send, "%s", optarg);
                        break;
                case 'e': /* expect string (may be repeated) */
                        EXPECT = NULL;
@@ -525,7 +514,10 @@ process_arguments (int argc, char **argv)
                        else
                                maxbytes = strtol (optarg, NULL, 0);
                case 'q':
-                       asprintf(&server_quit, "%s%s", optarg, lineendquit);
+                       if (escape)
+                               server_quit = np_escaped_string(optarg);
+                       else
+                               asprintf(&server_quit, "%s\r\n", optarg);
                        break;
                case 'r':
                        if (!strncmp(optarg,"ok",2))
@@ -604,10 +596,9 @@ print_help (void)
        printf (_(UT_IPv46));
 
        printf (_("\
- -l, --lineend=b|e|n|r\n\
-    Ending on -s and -q strings. b - both: <cr><lf> style, e - empty no\n\
-    end, n - newline: newline end, r - return: carriage return end\n\
-    Default is \"-l e -s <send> -l b -q <quit>\".\n\
+ -E, --escape\n\
+    Can use \\n, \\r, \\t or \\ in send or quit string.\n\
+    Default: nothing added to send, \\r\\n added to end of quit\n\
  -s, --send=STRING\n\
     String to send to the server\n\
  -e, --expect=STRING\n\
@@ -653,6 +644,6 @@ Usage: %s -H host -p port [-w <warning time>] [-c <critical time>]\n\
                   [-s <send string>] [-e <expect string>] [-q <quit string>]\n\
                   [-m <maximum bytes>] [-d <delay>] [-t <timeout seconds>]\n\
                   [-r <refuse state>] [-M <mismatch state>] [-v] [-4|-6] [-j]\n\
-                  [-D <days to cert expiry>] [-S <use SSL>] [-l <n|r|b|e>]\n", progname);
+                  [-D <days to cert expiry>] [-S <use SSL>] [-E]\n", progname);
 }