NTLM: verify multiple connections work

Add test2032 to test that NTLM does not switch connections in the middle
of the handshake

3 files changed, 250 insertions, 1 deletions

diff --git a/tests/libtest/.gitignore b/tests/libtest/.gitignore
index 7f8b619af..0a19470ab 100644
--- a/tests/libtest/.gitignore
+++ b/tests/libtest/.gitignore
@@ -1,3 +1,4 @@
 chkhostname
 lib5[0-9][0-9]
 libauthretry
+libntlmconnect
diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index 4b3edc11e..01594b8c9 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -19,7 +19,7 @@ noinst_PROGRAMS = chkhostname \
   lib543 lib544 lib545 lib547 lib548 lib549 lib552 lib553 lib554 lib555	\
   lib556 lib539 lib557 lib560 lib562 lib564 lib565 lib566 lib567 lib568	\
   lib569 lib570 lib571 lib572 lib573 lib582 lib583 lib585 lib586 lib587 \
-  lib590 lib591 lib597 lib598 lib599 libauthretry
+  lib590 lib591 lib597 lib598 lib599 libauthretry libntlmconnect
 
 chkhostname_SOURCES = chkhostname.c $(top_srcdir)/lib/curl_gethostname.c
 chkhostname_LDADD = @CURL_NETWORK_LIBS@
@@ -187,3 +187,5 @@ lib598_SOURCES = lib598.c $(SUPPORTFILES)
 lib599_SOURCES = lib599.c $(SUPPORTFILES)
 
 libauthretry_SOURCES = libauthretry.c $(SUPPORTFILES)
+
+libntlmconnect_SOURCES = libntlmconnect.c $(SUPPORTFILES) $(TESTUTIL)
diff --git a/tests/libtest/libntlmconnect.c b/tests/libtest/libntlmconnect.c
new file mode 100644
index 000000000..8486f3c31
--- /dev/null
+++ b/tests/libtest/libntlmconnect.c
@@ -0,0 +1,246 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "test.h"
+
+#include <assert.h>
+#include "testutil.h"
+#include "memdebug.h"
+
+#define TEST_HANG_TIMEOUT 5 * 1000
+#define MAX_EASY_HANDLES 3
+
+CURL *easy[MAX_EASY_HANDLES];
+curl_socket_t sockets[MAX_EASY_HANDLES];
+int res = 0;
+
+static size_t callback(char* ptr, size_t size, size_t nmemb, void* data)
+{
+  int idx = ((CURL **) data) - easy;
+  curl_socket_t sock;
+
+  char *output = malloc(size * nmemb + 1);
+  memcpy(output, ptr, size * nmemb);
+  output[size * nmemb] = '\0';
+  fprintf(stdout, "%s", output);
+  free(output);
+
+  res = curl_easy_getinfo(easy[idx], CURLINFO_LASTSOCKET, &sock);
+  if (CURLE_OK != res) {
+    fprintf(stderr, "Error reading CURLINFO_LASTSOCKET\n");
+    return 0;
+  }
+  /* sock will only be set for NTLM requests; for others it is -1 */
+  if (sock != -1) {
+    if (sockets[idx] == -1) {
+      /* Data was written for this request before the socket was detected by
+         multi_fdset. Record the socket now. */
+      sockets[idx] = sock;
+    }
+    else if (sock != sockets[idx]) {
+      fprintf(stderr, "Handle %d started on socket %d and moved to %d\n", idx,
+              sockets[idx], sock);
+      res = TEST_ERR_MAJOR_BAD;
+      return 0;
+    }
+  }
+  return size * nmemb;
+}
+
+enum HandleState {
+  ReadyForNewHandle,
+  NeedSocketForNewHandle,
+  NoMoreHandles
+};
+
+int test(char *url)
+{
+  CURLM *multi = NULL;
+  int running;
+  int i, j;
+  int num_handles = 0;
+  enum HandleState state = ReadyForNewHandle;
+  char* full_url = malloc(strlen(url) + 4 + 1);
+
+  start_test_timing();
+
+  if (!full_url) {
+    fprintf(stderr, "Not enough memory for full url\n");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  for (i = 0; i < MAX_EASY_HANDLES; ++i) {
+    easy[i] = NULL;
+    sockets[i] = -1;
+  }
+
+  res = 0;
+  res_global_init(CURL_GLOBAL_ALL);
+  if(res) {
+    return res;
+  }
+
+  multi_init(multi);
+
+  for(;;) {
+    struct timeval interval;
+    fd_set fdread;
+    fd_set fdwrite;
+    fd_set fdexcep;
+    long timeout = -99;
+    curl_socket_t maxfd = -99;
+    bool found_new_socket = FALSE;
+
+    /* Start a new handle if we aren't at the max */
+    if (state == ReadyForNewHandle) {
+      easy_init(easy[num_handles]);
+
+      if (num_handles % 3 == 2) {
+        sprintf(full_url, "%s0200", url);
+        easy_setopt(easy[num_handles], CURLOPT_HTTPAUTH, CURLAUTH_NTLM);
+      } else {
+        sprintf(full_url, "%s0100", url);
+        easy_setopt(easy[num_handles], CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+      }
+      easy_setopt(easy[num_handles], CURLOPT_FRESH_CONNECT, 1L);
+      easy_setopt(easy[num_handles], CURLOPT_URL, full_url);
+      easy_setopt(easy[num_handles], CURLOPT_VERBOSE, 1L);
+      easy_setopt(easy[num_handles], CURLOPT_HTTPGET, 1L);
+      easy_setopt(easy[num_handles], CURLOPT_USERPWD, "testuser:testpass");
+      easy_setopt(easy[num_handles], CURLOPT_WRITEFUNCTION, callback);
+      easy_setopt(easy[num_handles], CURLOPT_WRITEDATA, easy + num_handles);
+      easy_setopt(easy[num_handles], CURLOPT_HEADER, 1L);
+
+      multi_add_handle(multi, easy[num_handles]);
+      num_handles += 1;
+      state = NeedSocketForNewHandle;
+    }
+
+    multi_perform(multi, &running);
+    if (0 != res)
+      break;
+
+    abort_on_test_timeout();
+
+    if(!running && state == NoMoreHandles)
+      break; /* done */
+
+    FD_ZERO(&fdread);
+    FD_ZERO(&fdwrite);
+    FD_ZERO(&fdexcep);
+
+    multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
+
+    /* At this point, maxfd is guaranteed to be greater or equal than -1. */
+
+    /* Any socket which is new in fdread is associated with the new handle */
+    for (i = 0; i <= maxfd; ++i) {
+      bool socket_exists = FALSE;
+      if (!FD_ISSET(i, &fdread)) {
+        continue;
+      }
+
+      /* Check if this socket was already detected for an earlier handle (or
+         for this handle, num_handles-1, in the callback */
+      for (j = 0; j < num_handles; ++j) {
+        if (sockets[j] == i) {
+          socket_exists = TRUE;
+          break;
+        }
+      }
+      if (socket_exists) {
+        continue;
+      }
+
+      if (found_new_socket || state != NeedSocketForNewHandle) {
+        fprintf(stderr, "Unexpected new socket\n");
+        res = TEST_ERR_MAJOR_BAD;
+        goto test_cleanup;
+      }
+
+      /* Now we know the socket is for the most recent handle, num_handles-1 */
+      if (sockets[num_handles-1] != -1) {
+        /* A socket for this handle was already detected in the callback; if it
+           matched socket_exists should be true and we would never get here */
+        assert(i != sockets[num_handles-1]);
+        fprintf(stderr, "Handle %d wrote to socket %d then detected on %d\n",
+                num_handles-1, sockets[num_handles-1], i);
+        res = TEST_ERR_MAJOR_BAD;
+        goto test_cleanup;
+      }
+      else {
+        sockets[num_handles-1] = i;
+        found_new_socket = TRUE;
+        /* continue to make sure there's only one new handle */
+      }
+    }
+
+    if (state == NeedSocketForNewHandle) {
+      if (found_new_socket) {
+        fprintf(stderr, "Warning: socket did not open immediately for new "
+                "handle (trying again)\n");
+        continue;
+      }
+      state = num_handles < MAX_EASY_HANDLES ? ReadyForNewHandle
+                                             : NoMoreHandles;
+    }
+
+    multi_timeout(multi, &timeout);
+
+    /* At this point, timeout is guaranteed to be greater or equal than -1. */
+
+    if(timeout != -1L) {
+      interval.tv_sec = timeout/1000;
+      interval.tv_usec = (timeout%1000)*1000;
+    }
+    else {
+      interval.tv_sec = TEST_HANG_TIMEOUT/1000+1;
+      interval.tv_usec = 0;
+    }
+
+    select_test(maxfd+1, &fdread, &fdwrite, &fdexcep, &interval);
+
+    abort_on_test_timeout();
+  }
+
+test_cleanup:
+
+  for (i = 0; i < MAX_EASY_HANDLES; ++i) {
+    if (easy[i]) {
+       if (multi) {
+         curl_multi_remove_handle(multi, easy[i]);
+       }
+       curl_easy_cleanup(easy[i]);
+    }
+  }
+
+  if (multi) {
+    curl_multi_cleanup(multi);
+  }
+
+  curl_global_cleanup();
+
+  if (full_url) {
+    free(full_url);
+  }
+
+  return res;
+}