3 files changed, 41 insertions, 4 deletions

diff --git a/plugins/check_http.c b/plugins/check_http.c
index 86a36c2..1e2a54c 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -126,6 +126,7 @@ int max_page_len = 0;
 int redir_depth = 0;
 int max_depth = 15;
 char *http_method;
+char *http_method_proxy;
 char *http_post_data;
 char *http_content_type;
 char buffer[MAX_INPUT_BUFFER];
@@ -446,6 +447,12 @@ process_arguments (int argc, char **argv)
       if (http_method)
         free(http_method);
       http_method = strdup (optarg);
+      char *tmp;
+      if ((tmp = strstr(http_method, ":")) > 0) {
+        tmp[0] = '\0';
+        http_method = http_method;
+        http_method_proxy = ++tmp;
+      }
       break;
     case 'd': /* string or substring */
       strncpy (header_expect, optarg, MAX_INPUT_BUFFER - 1);
@@ -566,6 +573,9 @@ process_arguments (int argc, char **argv)
   if (http_method == NULL)
     http_method = strdup ("GET");
 
+  if (http_method_proxy == NULL)
+    http_method_proxy = strdup ("GET");
+
   if (client_cert && !client_privkey)
     usage4 (_("If you use a client certificate you must also specify a private key file"));
 
@@ -950,7 +960,7 @@ check_http (void)
 
   if ( server_address != NULL && strcmp(http_method, "CONNECT") == 0
        && host_name != NULL && use_ssl == TRUE)
-    asprintf (&buf, "%s %s %s\r\n%s\r\n", "GET", server_url, host_name ? "HTTP/1.1" : "HTTP/1.0", user_agent);
+    asprintf (&buf, "%s %s %s\r\n%s\r\n", http_method_proxy, server_url, host_name ? "HTTP/1.1" : "HTTP/1.0", user_agent);
   else
     asprintf (&buf, "%s %s %s\r\n%s\r\n", http_method, server_url, host_name ? "HTTP/1.1" : "HTTP/1.0", user_agent);
 
@@ -1581,7 +1591,7 @@ print_help (void)
   printf ("    %s\n", _("URL to GET or POST (default: /)"));
   printf (" %s\n", "-P, --post=STRING");
   printf ("    %s\n", _("URL encoded http POST data"));
-  printf (" %s\n", "-j, --method=STRING  (for example: HEAD, OPTIONS, TRACE, PUT, DELETE, CONNECT)");
+  printf (" %s\n", "-j, --method=STRING  (for example: HEAD, OPTIONS, TRACE, PUT, DELETE, CONNECT, CONNECT:POST)");
   printf ("    %s\n", _("Set HTTP method."));
   printf (" %s\n", "-N, --no-body");
   printf ("    %s\n", _("Don't wait for document body: stop reading after headers."));
@@ -1668,7 +1678,8 @@ print_help (void)
   printf (" %s\n", _("all these options are needed: -I <proxy> -p <proxy-port> -u <check-url> -S(sl) -j CONNECT -H <webserver>"));
   printf (" %s\n", _("a STATE_OK will be returned. When the server returns its content but exceeds"));
   printf (" %s\n", _("the 5-second threshold, a STATE_WARNING will be returned. When an error occurs,"));
-  printf (" %s\n", _("a STATE_CRITICAL will be returned."));
+  printf (" %s\n", _("a STATE_CRITICAL will be returned. By adding a colon to the method you can set the method used"));
+  printf (" %s\n", _("inside the proxied connection: -j CONNECT:POST"));
 
 #endif
 
diff --git a/plugins/t/NPTest.cache.travis b/plugins/t/NPTest.cache.travis
index e9705f3..28437a0 100644
--- a/plugins/t/NPTest.cache.travis
+++ b/plugins/t/NPTest.cache.travis
@@ -59,4 +59,6 @@
   'host_udp_time' => 'none',
   'host_tls_http' => 'localhost',
   'host_tls_cert' => 'localhost',
+  'NP_HOST_TCP_PROXY' => 'localhost',
+  'NP_PORT_TCP_PROXY' => '3128',
 }
diff --git a/plugins/t/check_http.t b/plugins/t/check_http.t
index 8bd484a..416fbbc 100644
--- a/plugins/t/check_http.t
+++ b/plugins/t/check_http.t
@@ -9,7 +9,7 @@ use Test::More;
 use POSIX qw/mktime strftime/;
 use NPTest;
 
-plan tests => 49;
+plan tests => 55;
 
 my $successOutput = '/OK.*HTTP.*second/';
 
@@ -42,6 +42,14 @@ my $host_tcp_http2  = getTestParameter( "NP_HOST_TCP_HTTP2",
             "A host providing an index page containing the string 'monitoring'",
             "test.monitoring-plugins.org" );
 
+my $host_tcp_proxy  = getTestParameter( "NP_HOST_TCP_PROXY",
+            "A host providing a HTTP proxy with CONNECT support",
+            "localhost");
+
+my $port_tcp_proxy  = getTestParameter( "NP_PORT_TCP_PROXY",
+            "Port of the proxy with HTTP and CONNECT support",
+            "3128");
+
 my $faketime = -x '/usr/bin/faketime' ? 1 : 0;
 
 
@@ -198,3 +206,19 @@ SKIP: {
         $res = NPTest->testCmd( "./check_http -H www.mozilla.com --extended-perfdata" );
         like  ( $res->output, '/time_connect=[\d\.]+/', 'Extended Performance Data Output OK' );
 }
+
+SKIP: {
+        skip "No internet access or proxy configured", 6 if $internet_access eq "no" or ! $host_tcp_proxy;
+
+        $res = NPTest->testCmd( "./check_http -I $host_tcp_proxy -p $port_tcp_proxy -u http://$host_tcp_http -e 200,301,302");
+        is( $res->return_code, 0, "Proxy HTTP works");
+        like($res->output, qr/OK: Status line output matched/, "Proxy HTTP Output is sufficent");
+
+        $res = NPTest->testCmd( "./check_http -I $host_tcp_proxy -p $port_tcp_proxy -H $host_tls_http -S -j CONNECT");
+        is( $res->return_code, 0, "Proxy HTTP CONNECT works");
+        like($res->output, qr/HTTP OK:/, "Proxy HTTP CONNECT output sufficent");
+
+        $res = NPTest->testCmd( "./check_http -I $host_tcp_proxy -p $port_tcp_proxy -H $host_tls_http -S -j CONNECT:HEAD");
+        is( $res->return_code, 0, "Proxy HTTP CONNECT works with override method");
+        like($res->output, qr/HTTP OK:/, "Proxy HTTP CONNECT output sufficent");
+}