do not pass host if none is provided

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@254 f882894a-f735-0410-b71e-b25c423dba1c

diff --git a/plugins/check_http.c b/plugins/check_http.c
index 5da5750a7dc1e8bf5ea4d1e3914610cee5d30b04..be18ce7d6ca3a68070d8e07425fc40630829baa3 100644 (file)
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -196,7 +196,7 @@ int server_port = HTTP_PORT;
 char server_port_text[6] = "";
 char server_type[6] = "http";
 /*@null@*/ char *server_address = NULL; 
-/*@null@*/ char *host_name = NULL;
+char *host_name = "";
 /*@null@*/ char *server_url = NULL;
 int server_url_length = 0;
 int server_expect_yn = 0;
@@ -401,7 +401,7 @@ process_arguments (int argc, char **argv)
                        break;
                /* Note: H, I, and u must be malloc'd or will fail on redirects */
                case 'H': /* Host Name (virtual host) */
-                       host_name = strscpy (host_name, optarg);
+                       asprintf (&host_name, "%s", optarg);
                        break;
                case 'I': /* Server IP-address */
                        server_address = strscpy (server_address, optarg);
@@ -464,19 +464,21 @@ process_arguments (int argc, char **argv)
 
        c = optind;
 
-       if (server_address == NULL && host_name == NULL) {              server_address = strscpy (NULL, argv[c]);
-               host_name = strscpy (NULL, argv[c++]);
+       if (server_address == NULL) {
+               if (c < argc) {
+                       server_address = strscpy (NULL, argv[c++]);
+               }
+               else if (strcmp (host_name ,"") == 0) {
+                       usage ("check_http: you must specify a server address\n");
+               }
        }
 
-       if (server_address == NULL && host_name == NULL)
-               usage ("check_http: you must specify a host name\n");
+       if (strcmp (host_name ,"") == 0 && c < argc)
+               asprintf (&host_name, "%s", argv[c++]);
 
        if (server_address == NULL)
                server_address = strscpy (NULL, host_name);
 
-       if (host_name == NULL)
-               host_name = strscpy (NULL, server_address);
-
        if (http_method == NULL)
                http_method = strscpy (http_method, "GET");
 
@@ -631,8 +633,6 @@ check_http (void)
                        terminate (STATE_CRITICAL, "Unable to open TCP socket");
                asprintf (&buf, "%s %s HTTP/1.0\r\n", http_method, server_url);
                send (sd, buf, strlen (buf), 0);
-               
-
 
                /* optionally send the host header info */
                if (strcmp (host_name, "")) {
@@ -664,7 +664,7 @@ check_http (void)
                        send (sd, http_post_data, strlen (http_post_data), 0);
                }
                else {
-                       /* send a newline so the server knows we're done with the request */
+                       /* or just a newline so the server knows we're done with the request */
                        asprintf (&buf, "\r\n");
                        send (sd, buf, strlen (buf), 0);
                }