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
44 static int oneone;
45
46 struct CBC
47 {
48 char *buf;
49 size_t pos;
50 size_t size;
51 };
52
53
54 static void
completed_cb(void * cls,struct MHD_Connection * connection,void ** con_cls,enum MHD_RequestTerminationCode toe)55 completed_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
68 static size_t
copyBuffer(void * ptr,size_t size,size_t nmemb,void * ctx)69 copyBuffer (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 */
86 static int
post_iterator(void * cls,enum MHD_ValueKind kind,const char * key,const char * filename,const char * content_type,const char * transfer_encoding,const char * value,uint64_t off,size_t size)87 post_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
106 static int
ahc_echo(void * cls,struct MHD_Connection * connection,const char * url,const char * method,const char * version,const char * upload_data,size_t * upload_data_size,void ** unused)107 ahc_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
148 static int
testInternalPost()149 testInternalPost ()
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, ©Buffer);
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
199 static int
testMultithreadedPost()200 testMultithreadedPost ()
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, ©Buffer);
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
252 static int
testExternalPost()253 testExternalPost ()
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, ©Buffer);
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
378 int
main(int argc,char * const * argv)379 main (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