1/*
2     This file is part of libmicrohttpd
3     Copyright (C) 2007, 2008 Christian Grothoff
4
5     libmicrohttpd is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published
7     by the Free Software Foundation; either version 2, or (at your
8     option) any later version.
9
10     libmicrohttpd is distributed in the hope that it will be useful, but
11     WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13     General Public License for more details.
14
15     You should have received a copy of the GNU General Public License
16     along with libmicrohttpd; see the file COPYING.  If not, write to the
17     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18     Boston, MA 02111-1307, USA.
19*/
20
21/**
22 * @file test_post.c
23 * @brief  Testcase for libmicrohttpd POST operations using URL-encoding
24 * @author Christian Grothoff
25 */
26
27#include "MHD_config.h"
28#include "platform.h"
29#include <curl/curl.h>
30#include <microhttpd.h>
31#include <stdlib.h>
32#include <string.h>
33#include <time.h>
34
35#ifndef WINDOWS
36#include <unistd.h>
37#endif
38
39
40#include "socat.c"
41
42#define POST_DATA "name=daniel&project=curl"
43
44static int oneone;
45
46struct CBC
47{
48  char *buf;
49  size_t pos;
50  size_t size;
51};
52
53
54static void
55completed_cb (void *cls,
56	      struct MHD_Connection *connection,
57	      void **con_cls,
58	      enum MHD_RequestTerminationCode toe)
59{
60  struct MHD_PostProcessor *pp = *con_cls;
61
62  if (NULL != pp)
63    MHD_destroy_post_processor (pp);
64  *con_cls = NULL;
65}
66
67
68static size_t
69copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
70{
71  struct CBC *cbc = ctx;
72
73  if (cbc->pos + size * nmemb > cbc->size)
74    return 0;                   /* overflow */
75  memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
76  cbc->pos += size * nmemb;
77  return size * nmemb;
78}
79
80
81/**
82 * Note that this post_iterator is not perfect
83 * in that it fails to support incremental processing.
84 * (to be fixed in the future)
85 */
86static int
87post_iterator (void *cls,
88               enum MHD_ValueKind kind,
89               const char *key,
90               const char *filename,
91               const char *content_type,
92               const char *transfer_encoding,
93               const char *value, uint64_t off, size_t size)
94{
95  int *eok = cls;
96
97  if ((0 == strcmp (key, "name")) &&
98      (size == strlen ("daniel")) && (0 == strncmp (value, "daniel", size)))
99    (*eok) |= 1;
100  if ((0 == strcmp (key, "project")) &&
101      (size == strlen ("curl")) && (0 == strncmp (value, "curl", size)))
102    (*eok) |= 2;
103  return MHD_YES;
104}
105
106static int
107ahc_echo (void *cls,
108          struct MHD_Connection *connection,
109          const char *url,
110          const char *method,
111          const char *version,
112          const char *upload_data, size_t *upload_data_size,
113          void **unused)
114{
115  static int eok;
116  struct MHD_Response *response;
117  struct MHD_PostProcessor *pp;
118  int ret;
119
120  if (0 != strcmp ("POST", method))
121    {
122      return MHD_NO;            /* unexpected method */
123    }
124  pp = *unused;
125  if (pp == NULL)
126    {
127      eok = 0;
128      pp = MHD_create_post_processor (connection, 1024, &post_iterator, &eok);
129      *unused = pp;
130    }
131  MHD_post_process (pp, upload_data, *upload_data_size);
132  if ((eok == 3) && (0 == *upload_data_size))
133    {
134      response = MHD_create_response_from_buffer (strlen (url),
135						  (void *) url,
136						  MHD_RESPMEM_MUST_COPY);
137      ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
138      MHD_destroy_response (response);
139      MHD_destroy_post_processor (pp);
140      *unused = NULL;
141      return ret;
142    }
143  *upload_data_size = 0;
144  return MHD_YES;
145}
146
147
148static int
149testInternalPost ()
150{
151  struct MHD_Daemon *d;
152  CURL *c;
153  char buf[2048];
154  struct CBC cbc;
155  int i;
156
157  cbc.buf = buf;
158  cbc.size = 2048;
159  cbc.pos = 0;
160  d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ ,
161                        11080, NULL, NULL, &ahc_echo, NULL,
162			MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL,
163			MHD_OPTION_END);
164  if (d == NULL)
165    return 1;
166  zzuf_socat_start ();
167  for (i = 0; i < LOOP_COUNT; i++)
168    {
169      fprintf (stderr, ".");
170
171      c = curl_easy_init ();
172      curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world");
173      curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
174      curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
175      curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA);
176      curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA));
177      curl_easy_setopt (c, CURLOPT_POST, 1L);
178      curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
179      curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT);
180      if (oneone)
181        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
182      else
183        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
184      curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT);
185      // NOTE: use of CONNECTTIMEOUT without also
186      //   setting NOSIGNAL results in really weird
187      //   crashes on my system!
188      curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
189      curl_easy_perform (c);
190      curl_easy_cleanup (c);
191    }
192  fprintf (stderr, "\n");
193  zzuf_socat_stop ();
194  MHD_stop_daemon (d);
195
196  return 0;
197}
198
199static int
200testMultithreadedPost ()
201{
202  struct MHD_Daemon *d;
203  CURL *c;
204  char buf[2048];
205  struct CBC cbc;
206  int i;
207
208  cbc.buf = buf;
209  cbc.size = 2048;
210  cbc.pos = 0;
211  d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ ,
212                        11080, NULL, NULL, &ahc_echo, NULL,
213			MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL,
214			MHD_OPTION_END);
215  if (d == NULL)
216    return 16;
217
218  zzuf_socat_start ();
219  for (i = 0; i < LOOP_COUNT; i++)
220    {
221      fprintf (stderr, ".");
222
223      c = curl_easy_init ();
224      curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world");
225      curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
226      curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
227      curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA);
228      curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA));
229      curl_easy_setopt (c, CURLOPT_POST, 1L);
230      curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
231      curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT);
232      if (oneone)
233        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
234      else
235        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
236      curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT);
237      // NOTE: use of CONNECTTIMEOUT without also
238      //   setting NOSIGNAL results in really weird
239      //   crashes on my system!
240      curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
241      curl_easy_perform (c);
242      curl_easy_cleanup (c);
243    }
244  fprintf (stderr, "\n");
245  zzuf_socat_stop ();
246
247  MHD_stop_daemon (d);
248  return 0;
249}
250
251
252static int
253testExternalPost ()
254{
255  struct MHD_Daemon *d;
256  CURL *c;
257  char buf[2048];
258  struct CBC cbc;
259  CURLM *multi;
260  CURLMcode mret;
261  fd_set rs;
262  fd_set ws;
263  fd_set es;
264  int max;
265  int running;
266  time_t start;
267  struct timeval tv;
268  int i;
269
270  multi = NULL;
271  cbc.buf = buf;
272  cbc.size = 2048;
273  cbc.pos = 0;
274  d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */ ,
275                        1082, NULL, NULL, &ahc_echo, NULL,
276			MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL,
277			MHD_OPTION_END);
278  if (d == NULL)
279    return 256;
280  multi = curl_multi_init ();
281  if (multi == NULL)
282    {
283      MHD_stop_daemon (d);
284      return 512;
285    }
286
287  zzuf_socat_start ();
288  for (i = 0; i < LOOP_COUNT; i++)
289    {
290      fprintf (stderr, ".");
291
292
293      c = curl_easy_init ();
294      curl_easy_setopt (c, CURLOPT_URL, "http://localhost:1082/hello_world");
295      curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
296      curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
297      curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA);
298      curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA));
299      curl_easy_setopt (c, CURLOPT_POST, 1L);
300      curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
301      curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT);
302      if (oneone)
303        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
304      else
305        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
306      curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT);
307      // NOTE: use of CONNECTTIMEOUT without also
308      //   setting NOSIGNAL results in really weird
309      //   crashes on my system!
310      curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
311
312
313      mret = curl_multi_add_handle (multi, c);
314      if (mret != CURLM_OK)
315        {
316          curl_multi_cleanup (multi);
317          curl_easy_cleanup (c);
318          zzuf_socat_stop ();
319          MHD_stop_daemon (d);
320          return 1024;
321        }
322      start = time (NULL);
323      while ((time (NULL) - start < 5) && (c != NULL))
324        {
325          max = 0;
326          FD_ZERO (&rs);
327          FD_ZERO (&ws);
328          FD_ZERO (&es);
329          curl_multi_perform (multi, &running);
330          mret = curl_multi_fdset (multi, &rs, &ws, &es, &max);
331          if (mret != CURLM_OK)
332            {
333              curl_multi_remove_handle (multi, c);
334              curl_multi_cleanup (multi);
335              curl_easy_cleanup (c);
336              zzuf_socat_stop ();
337              MHD_stop_daemon (d);
338              return 2048;
339            }
340          if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max))
341            {
342              curl_multi_remove_handle (multi, c);
343              curl_multi_cleanup (multi);
344              curl_easy_cleanup (c);
345              zzuf_socat_stop ();
346              MHD_stop_daemon (d);
347              return 4096;
348            }
349          tv.tv_sec = 0;
350          tv.tv_usec = 1000;
351          select (max + 1, &rs, &ws, &es, &tv);
352          curl_multi_perform (multi, &running);
353          if (running == 0)
354            {
355              curl_multi_info_read (multi, &running);
356              curl_multi_remove_handle (multi, c);
357              curl_easy_cleanup (c);
358              c = NULL;
359            }
360          MHD_run (d);
361        }
362      if (c != NULL)
363        {
364          curl_multi_remove_handle (multi, c);
365          curl_easy_cleanup (c);
366        }
367
368    }
369  fprintf (stderr, "\n");
370  curl_multi_cleanup (multi);
371  zzuf_socat_stop ();
372
373  MHD_stop_daemon (d);
374  return 0;
375}
376
377
378int
379main (int argc, char *const *argv)
380{
381  unsigned int errorCount = 0;
382
383  oneone = (NULL != strrchr (argv[0], (int) '/')) ?
384    (NULL != strstr (strrchr (argv[0], (int) '/'), "11")) : 0;
385  if (0 != curl_global_init (CURL_GLOBAL_WIN32))
386    return 2;
387  errorCount += testInternalPost ();
388  errorCount += testMultithreadedPost ();
389  errorCount += testExternalPost ();
390  if (errorCount != 0)
391    fprintf (stderr, "Error (code: %u)\n", errorCount);
392  curl_global_cleanup ();
393  return errorCount != 0;       /* 0 == pass */
394}
395