form API: add new test 650.

Now that the form API is deprecated and not used anymore in curl tool,
a lot of its features left untested. Test 650 attempts to check all these
features not tested elsewhere.

2 files changed, 193 insertions, 1 deletions

diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index b372dfbd6..065899276 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -20,7 +20,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect                \
  lib559 lib560 lib562 lib564 lib565 lib566 lib567 lib568 lib569 lib570   \
  lib571 lib572 lib573 lib574 lib575 lib576        lib578 lib579 lib582   \
  lib583 lib585 lib586 lib587 lib589 lib590 lib591 lib597 lib598 lib599   \
- lib643 lib644 lib645 \
+ lib643 lib644 lib645 lib650 \
  lib1500 lib1501 lib1502 lib1503 lib1504 lib1505 lib1506 lib1507 lib1508 \
  lib1509 lib1510 lib1511 lib1512 lib1513 lib1514 lib1515         lib1517 \
  lib1520 lib1521 \
@@ -312,6 +312,9 @@ lib644_CPPFLAGS = $(AM_CPPFLAGS) -DLIB644
 lib645_SOURCES = lib643.c $(SUPPORTFILES)
 lib645_CPPFLAGS = $(AM_CPPFLAGS) -DLIB645
 
+lib650_SOURCES = lib650.c $(SUPPORTFILES)
+lib650_CPPFLAGS = $(AM_CPPFLAGS)
+
 lib1500_SOURCES = lib1500.c $(SUPPORTFILES) $(TESTUTIL)
 lib1500_LDADD = $(TESTUTIL_LIBS)
 lib1500_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/libtest/lib650.c b/tests/libtest/lib650.c
new file mode 100644
index 000000000..130ef1e77
--- /dev/null
+++ b/tests/libtest/lib650.c
@@ -0,0 +1,189 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, 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 https://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 "memdebug.h"
+
+static char data[] =
+#ifdef CURL_DOES_CONVERSIONS
+  /* ASCII representation with escape sequences for non-ASCII platforms */
+  "\x74\x68\x69\x73\x20\x69\x73\x20\x77\x68\x61\x74\x20\x77\x65\x20\x70"
+  "\x6f\x73\x74\x20\x74\x6f\x20\x74\x68\x65\x20\x73\x69\x6c\x6c\x79\x20"
+  "\x77\x65\x62\x20\x73\x65\x72\x76\x65\x72";
+#else
+  "this is what we post to the silly web server";
+#endif
+
+static char name[] = "fieldname";
+
+
+/* This test attempts to use all form API features that are not
+ * used elsewhere.
+ */
+
+/* curl_formget callback to count characters. */
+static size_t count_chars(void *userp, const char *buf, size_t len)
+{
+  size_t *pcounter = (size_t *) userp;
+
+  (void) buf;
+  *pcounter += len;
+  return len;
+}
+
+
+int test(char *URL)
+{
+  CURL *curl;
+  CURLcode res = CURLE_OK;
+  CURLFORMcode formrc;
+  struct curl_slist *headers = NULL;
+  struct curl_httppost *formpost = NULL;
+  struct curl_httppost *lastptr = NULL;
+  struct curl_forms formarray[3];
+  size_t formlength = 0;
+  char flbuf[32];
+
+  if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
+    fprintf(stderr, "curl_global_init() failed\n");
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  /* Check proper name and data copying. */
+  formrc = curl_formadd(&formpost, &lastptr,
+                        CURLFORM_COPYNAME, &name,
+                        CURLFORM_COPYCONTENTS, &data,
+                        CURLFORM_END);
+
+  if(formrc)
+    printf("curl_formadd(1) = %d\n", (int) formrc);
+
+  /* Use a form array for the non-copy test. */
+  formarray[0].option = CURLFORM_PTRCONTENTS;
+  formarray[0].value = data;
+  formarray[1].option = CURLFORM_CONTENTSLENGTH;
+  formarray[1].value = (char *) strlen(data) - 1;
+  formarray[2].option = CURLFORM_END;
+  formarray[2].value = NULL;
+  formrc = curl_formadd(&formpost,
+                        &lastptr,
+                        CURLFORM_PTRNAME, name,
+                        CURLFORM_NAMELENGTH, strlen(name) - 1,
+                        CURLFORM_ARRAY, formarray,
+                        CURLFORM_FILENAME, "remotefile.txt",
+                        CURLFORM_END);
+
+  if(formrc)
+    printf("curl_formadd(2) = %d\n", (int) formrc);
+
+  /* Now change in-memory data to affect CURLOPT_PTRCONTENTS value.
+     Copied values (first field) must not be affected.
+     CURLOPT_PTRNAME actually copies the name thus we do not test this here. */
+  data[0]++;
+
+  /* Check multi-files and content type propagation. */
+  formrc = curl_formadd(&formpost,
+                        &lastptr,
+                        CURLFORM_COPYNAME, "multifile",
+                        CURLFORM_FILE, libtest_arg2,    /* Set in first.c. */
+                        CURLFORM_FILE, libtest_arg2,
+                        CURLFORM_CONTENTTYPE, "text/whatever",
+                        CURLFORM_FILE, libtest_arg2,
+                        CURLFORM_END);
+
+  if(formrc)
+    printf("curl_formadd(3) = %d\n", (int) formrc);
+
+  /* Check data from file content and headers. */
+  headers = curl_slist_append(headers, "X-customheader-1: Header 1 data");
+  headers = curl_slist_append(headers, "X-customheader-2: Header 2 data");
+  formrc = curl_formadd(&formpost,
+                        &lastptr,
+                        CURLFORM_COPYNAME, "filecontents",
+                        CURLFORM_FILECONTENT, libtest_arg2,
+                        CURLFORM_CONTENTHEADER, headers,
+                        CURLFORM_END);
+
+  if(formrc)
+    printf("curl_formadd(3) = %d\n", (int) formrc);
+
+  /* Measure the current form length.
+   * This is done before including stdin data because we want to reuse it
+   * and stdin cannot be rewound.
+   */
+  curl_formget(formpost, (void *) &formlength, count_chars);
+
+  /* Include length in data for external check. */
+  curl_msnprintf(flbuf, sizeof flbuf, "%lu", (unsigned long) formlength);
+  formrc = curl_formadd(&formpost,
+                        &lastptr,
+                        CURLFORM_COPYNAME, "formlength",
+                        CURLFORM_COPYCONTENTS, &flbuf,
+                        CURLFORM_END);
+
+  /* Check stdin (may be problematic on some platforms). */
+  formrc = curl_formadd(&formpost,
+                        &lastptr,
+                        CURLFORM_COPYNAME, "standardinput",
+                        CURLFORM_FILE, "-",
+                        CURLFORM_END);
+
+  if(formrc)
+    printf("curl_formadd(4) = %d\n", (int) formrc);
+
+  curl = curl_easy_init();
+  if(!curl) {
+    fprintf(stderr, "curl_easy_init() failed\n");
+    curl_slist_free_all(headers);
+    curl_formfree(formpost);
+    curl_global_cleanup();
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  /* First set the URL that is about to receive our POST. */
+  test_setopt(curl, CURLOPT_URL, URL);
+
+  /* send a multi-part formpost */
+  test_setopt(curl, CURLOPT_HTTPPOST, formpost);
+
+  /* get verbose debug output please */
+  test_setopt(curl, CURLOPT_VERBOSE, 1L);
+
+  /* include headers in the output */
+  test_setopt(curl, CURLOPT_HEADER, 1L);
+
+  /* Perform the request, res will get the return code */
+  res = curl_easy_perform(curl);
+
+test_cleanup:
+
+  /* always cleanup */
+  curl_easy_cleanup(curl);
+
+  /* now cleanup the formpost chain */
+  curl_formfree(formpost);
+  curl_slist_free_all(headers);
+
+  curl_global_cleanup();
+
+  return res;
+}