Added test case 504, using multi interface and a local proxy without anything

listening on the port we use.

tests/data/Makefile.am

@@ -18,4 +18,4 @@ test107  test116  test125  test2    test26   test33   test45   test126 \
 test304  test39   test32   test128  test48 test306 \
 test130  test131  test132  test133  test134 test135 test403 test305 \
 test49 test50 test51 test52 test53 test54 test55 test56 \
-test500 test501 test502 test503
+test500 test501 test502 test503 test504

tests/data/test504

@@ -0,0 +1,29 @@
+rörl#
+# Server-side
+<reply>
+</reply>
+
+# Client-side
+<client>
+<server>
+file
+</server>
+# tool is what to use instead of 'curl'
+<tool>
+lib504
+</tool>
+
+ <name>
+simple multi through local proxy without listener
+ </name>
+ <command>
+http://%HOSTIP:%HTTPSPORT/504 localhost:55555
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<errorcode>
+100
+</errorcode>
+</verify>

tests/libtest/Makefile.am

@@ -9,7 +9,7 @@ INCLUDES = -I$(top_srcdir)/include/curl
 LIBDIR = ../../lib
 
 # here are all tools used for running libcurl tests
-bin_PROGRAMS = lib500 lib501 lib502 lib503
+bin_PROGRAMS = lib500 lib501 lib502 lib503 lib504
 
 lib500_SOURCES = lib500.c first.c test.h
 lib500_LDADD = $(LIBDIR)/libcurl.la
@@ -26,3 +26,8 @@ lib502_DEPENDENCIES = $(LIBDIR)/libcurl.la
 lib503_SOURCES = lib503.c first.c test.h
 lib503_LDADD = $(LIBDIR)/libcurl.la
 lib503_DEPENDENCIES = $(LIBDIR)/libcurl.la
+
+lib504_SOURCES = lib504.c first.c test.h
+lib504_LDADD = $(LIBDIR)/libcurl.la
+lib504_DEPENDENCIES = $(LIBDIR)/libcurl.la
+

tests/libtest/lib504.c

@@ -0,0 +1,76 @@
+#include "test.h"
+
+/*
+ * Source code in here hugely as reported in bug report 651464 by
+ * Christopher R. Palmer.
+ *
+ * Use multi interface to get document over proxy with bad port number.
+ * This caused the interface to "hang" in libcurl 7.10.2.
+ */
+CURLcode test(char *URL)
+{
+  CURL *c;
+  CURLcode ret=CURLE_OK;
+  CURLM *m;
+  fd_set rd, wr, exc;
+  CURLMcode res;
+  int running;
+  int max_fd;
+
+  curl_global_init(CURL_GLOBAL_ALL);
+  c = curl_easy_init();
+
+  /* the point here being that there must not run anything on the given
+     proxy port */
+  curl_easy_setopt(c, CURLOPT_PROXY, arg2);
+  curl_easy_setopt(c, CURLOPT_URL, URL);
+  curl_easy_setopt(c, CURLOPT_VERBOSE, 1);
+
+  m = curl_multi_init();
+
+  do {
+    res = curl_multi_add_handle(m, c);
+    while (res == CURLM_CALL_MULTI_PERFORM)
+      res = curl_multi_perform(m, &running);
+
+    if(!running) {
+      /* This is where this code is expected to reach */
+      int numleft;
+      CURLMsg *msg = curl_multi_info_read(m, &numleft);
+      fprintf(stderr, "Not running\n");
+      if(msg && !numleft)
+        ret = 100; /* this is where we should be */
+      else
+        ret = 99; /* not correct */
+      break;
+    }
+
+    if (res != CURLM_OK) {
+      fprintf(stderr, "not okay???\n");
+      ret = 2;
+      break;
+    }
+
+    FD_ZERO(&rd);
+    FD_ZERO(&wr);
+    FD_ZERO(&exc);
+    max_fd = 0;
+
+    if (curl_multi_fdset(m, &rd, &wr, &exc, &max_fd) != CURLM_OK) {
+      fprintf(stderr, "unexpected failured of fdset.\n");
+      ret = 3;
+      break;
+    }
+
+    select(max_fd+1, &rd, &wr, &exc, NULL);
+
+    fprintf(stderr, "not reached!\n");
+  } while(0);
+
+  curl_multi_remove_handle(m, c);
+  curl_easy_cleanup(c);
+  curl_multi_cleanup(m);
+
+  return ret;
+}
+