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winhttp: Implement WinHttpReceiveResponse.
[wine/multimedia.git] / dlls / winhttp / request.c
blob954f576aa64a8152cbdb2a1315d84cbfa8785eba
1 /*
2 * Copyright 2008 Hans Leidekker for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21 #include "wine/debug.h"
22
23 #include <stdarg.h>
24 #ifdef HAVE_ARPA_INET_H
25 # include <arpa/inet.h>
26 #endif
27
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winnls.h"
31 #include "winhttp.h"
32
33 #include "winhttp_private.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
36
37 static const WCHAR attr_accept[] = {'A','c','c','e','p','t',0};
38 static const WCHAR attr_accept_charset[] = {'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0};
39 static const WCHAR attr_accept_encoding[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0};
40 static const WCHAR attr_accept_language[] = {'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0};
41 static const WCHAR attr_accept_ranges[] = {'A','c','c','e','p','t','-','R','a','n','g','e','s',0};
42 static const WCHAR attr_age[] = {'A','g','e',0};
43 static const WCHAR attr_allow[] = {'A','l','l','o','w',0};
44 static const WCHAR attr_authorization[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',0};
45 static const WCHAR attr_cache_control[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l',0};
46 static const WCHAR attr_connection[] = {'C','o','n','n','e','c','t','i','o','n',0};
47 static const WCHAR attr_content_base[] = {'C','o','n','t','e','n','t','-','B','a','s','e',0};
48 static const WCHAR attr_content_encoding[] = {'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0};
49 static const WCHAR attr_content_id[] = {'C','o','n','t','e','n','t','-','I','D',0};
50 static const WCHAR attr_content_language[] = {'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0};
51 static const WCHAR attr_content_length[] = {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0};
52 static const WCHAR attr_content_location[] = {'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0};
53 static const WCHAR attr_content_md5[] = {'C','o','n','t','e','n','t','-','M','D','5',0};
54 static const WCHAR attr_content_range[] = {'C','o','n','t','e','n','t','-','R','a','n','g','e',0};
55 static const WCHAR attr_content_transfer_encoding[] = {'C','o','n','t','e','n','t','-','T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
56 static const WCHAR attr_content_type[] = {'C','o','n','t','e','n','t','-','T','y','p','e',0};
57 static const WCHAR attr_cookie[] = {'C','o','o','k','i','e',0};
58 static const WCHAR attr_date[] = {'D','a','t','e',0};
59 static const WCHAR attr_from[] = {'F','r','o','m',0};
60 static const WCHAR attr_etag[] = {'E','T','a','g',0};
61 static const WCHAR attr_expect[] = {'E','x','p','e','c','t',0};
62 static const WCHAR attr_expires[] = {'E','x','p','i','r','e','s',0};
63 static const WCHAR attr_host[] = {'H','o','s','t',0};
64 static const WCHAR attr_if_match[] = {'I','f','-','M','a','t','c','h',0};
65 static const WCHAR attr_if_modified_since[] = {'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
66 static const WCHAR attr_if_none_match[] = {'I','f','-','N','o','n','e','-','M','a','t','c','h',0};
67 static const WCHAR attr_if_range[] = {'I','f','-','R','a','n','g','e',0};
68 static const WCHAR attr_if_unmodified_since[] = {'I','f','-','U','n','m','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
69 static const WCHAR attr_last_modified[] = {'L','a','s','t','-','M','o','d','i','f','i','e','d',0};
70 static const WCHAR attr_location[] = {'L','o','c','a','t','i','o','n',0};
71 static const WCHAR attr_max_forwards[] = {'M','a','x','-','F','o','r','w','a','r','d','s',0};
72 static const WCHAR attr_mime_version[] = {'M','i','m','e','-','V','e','r','s','i','o','n',0};
73 static const WCHAR attr_pragma[] = {'P','r','a','g','m','a',0};
74 static const WCHAR attr_proxy_authenticate[] = {'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
75 static const WCHAR attr_proxy_authorization[] = {'P','r','o','x','y','-','A','u','t','h','o','r','i','z','a','t','i','o','n',0};
76 static const WCHAR attr_proxy_connection[] = {'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0};
77 static const WCHAR attr_public[] = {'P','u','b','l','i','c',0};
78 static const WCHAR attr_range[] = {'R','a','n','g','e',0};
79 static const WCHAR attr_referer[] = {'R','e','f','e','r','e','r',0};
80 static const WCHAR attr_retry_after[] = {'R','e','t','r','y','-','A','f','t','e','r',0};
81 static const WCHAR attr_server[] = {'S','e','r','v','e','r',0};
82 static const WCHAR attr_set_cookie[] = {'S','e','t','-','C','o','o','k','i','e',0};
83 static const WCHAR attr_status[] = {'S','t','a','t','u','s',0};
84 static const WCHAR attr_transfer_encoding[] = {'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
85 static const WCHAR attr_unless_modified_since[] = {'U','n','l','e','s','s','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
86 static const WCHAR attr_upgrade[] = {'U','p','g','r','a','d','e',0};
87 static const WCHAR attr_uri[] = {'U','R','I',0};
88 static const WCHAR attr_user_agent[] = {'U','s','e','r','-','A','g','e','n','t',0};
89 static const WCHAR attr_vary[] = {'V','a','r','y',0};
90 static const WCHAR attr_via[] = {'V','i','a',0};
91 static const WCHAR attr_warning[] = {'W','a','r','n','i','n','g',0};
92 static const WCHAR attr_www_authenticate[] = {'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
93
94 static const WCHAR *attribute_table[] =
95 {
96 attr_mime_version, /* WINHTTP_QUERY_MIME_VERSION = 0 */
97 attr_content_type, /* WINHTTP_QUERY_CONTENT_TYPE = 1 */
98 attr_content_transfer_encoding, /* WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */
99 attr_content_id, /* WINHTTP_QUERY_CONTENT_ID = 3 */
100 NULL, /* WINHTTP_QUERY_CONTENT_DESCRIPTION = 4 */
101 attr_content_length, /* WINHTTP_QUERY_CONTENT_LENGTH = 5 */
102 attr_content_language, /* WINHTTP_QUERY_CONTENT_LANGUAGE = 6 */
103 attr_allow, /* WINHTTP_QUERY_ALLOW = 7 */
104 attr_public, /* WINHTTP_QUERY_PUBLIC = 8 */
105 attr_date, /* WINHTTP_QUERY_DATE = 9 */
106 attr_expires, /* WINHTTP_QUERY_EXPIRES = 10 */
107 attr_last_modified, /* WINHTTP_QUERY_LAST_MODIFIEDcw = 11 */
108 NULL, /* WINHTTP_QUERY_MESSAGE_ID = 12 */
109 attr_uri, /* WINHTTP_QUERY_URI = 13 */
110 attr_from, /* WINHTTP_QUERY_DERIVED_FROM = 14 */
111 NULL, /* WINHTTP_QUERY_COST = 15 */
112 NULL, /* WINHTTP_QUERY_LINK = 16 */
113 attr_pragma, /* WINHTTP_QUERY_PRAGMA = 17 */
114 NULL, /* WINHTTP_QUERY_VERSION = 18 */
115 attr_status, /* WINHTTP_QUERY_STATUS_CODE = 19 */
116 NULL, /* WINHTTP_QUERY_STATUS_TEXT = 20 */
117 NULL, /* WINHTTP_QUERY_RAW_HEADERS = 21 */
118 NULL, /* WINHTTP_QUERY_RAW_HEADERS_CRLF = 22 */
119 attr_connection, /* WINHTTP_QUERY_CONNECTION = 23 */
120 attr_accept, /* WINHTTP_QUERY_ACCEPT = 24 */
121 attr_accept_charset, /* WINHTTP_QUERY_ACCEPT_CHARSET = 25 */
122 attr_accept_encoding, /* WINHTTP_QUERY_ACCEPT_ENCODING = 26 */
123 attr_accept_language, /* WINHTTP_QUERY_ACCEPT_LANGUAGE = 27 */
124 attr_authorization, /* WINHTTP_QUERY_AUTHORIZATION = 28 */
125 attr_content_encoding, /* WINHTTP_QUERY_CONTENT_ENCODING = 29 */
126 NULL, /* WINHTTP_QUERY_FORWARDED = 30 */
127 NULL, /* WINHTTP_QUERY_FROM = 31 */
128 attr_if_modified_since, /* WINHTTP_QUERY_IF_MODIFIED_SINCE = 32 */
129 attr_location, /* WINHTTP_QUERY_LOCATION = 33 */
130 NULL, /* WINHTTP_QUERY_ORIG_URI = 34 */
131 attr_referer, /* WINHTTP_QUERY_REFERER = 35 */
132 attr_retry_after, /* WINHTTP_QUERY_RETRY_AFTER = 36 */
133 attr_server, /* WINHTTP_QUERY_SERVER = 37 */
134 NULL, /* WINHTTP_TITLE = 38 */
135 attr_user_agent, /* WINHTTP_QUERY_USER_AGENT = 39 */
136 attr_www_authenticate, /* WINHTTP_QUERY_WWW_AUTHENTICATE = 40 */
137 attr_proxy_authenticate, /* WINHTTP_QUERY_PROXY_AUTHENTICATE = 41 */
138 attr_accept_ranges, /* WINHTTP_QUERY_ACCEPT_RANGES = 42 */
139 attr_set_cookie, /* WINHTTP_QUERY_SET_COOKIE = 43 */
140 attr_cookie, /* WINHTTP_QUERY_COOKIE = 44 */
141 NULL, /* WINHTTP_QUERY_REQUEST_METHOD = 45 */
142 NULL, /* WINHTTP_QUERY_REFRESH = 46 */
143 NULL, /* WINHTTP_QUERY_CONTENT_DISPOSITION = 47 */
144 attr_age, /* WINHTTP_QUERY_AGE = 48 */
145 attr_cache_control, /* WINHTTP_QUERY_CACHE_CONTROL = 49 */
146 attr_content_base, /* WINHTTP_QUERY_CONTENT_BASE = 50 */
147 attr_content_location, /* WINHTTP_QUERY_CONTENT_LOCATION = 51 */
148 attr_content_md5, /* WINHTTP_QUERY_CONTENT_MD5 = 52 */
149 attr_content_range, /* WINHTTP_QUERY_CONTENT_RANGE = 53 */
150 attr_etag, /* WINHTTP_QUERY_ETAG = 54 */
151 attr_host, /* WINHTTP_QUERY_HOST = 55 */
152 attr_if_match, /* WINHTTP_QUERY_IF_MATCH = 56 */
153 attr_if_none_match, /* WINHTTP_QUERY_IF_NONE_MATCH = 57 */
154 attr_if_range, /* WINHTTP_QUERY_IF_RANGE = 58 */
155 attr_if_unmodified_since, /* WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */
156 attr_max_forwards, /* WINHTTP_QUERY_MAX_FORWARDS = 60 */
157 attr_proxy_authorization, /* WINHTTP_QUERY_PROXY_AUTHORIZATION = 61 */
158 attr_range, /* WINHTTP_QUERY_RANGE = 62 */
159 attr_transfer_encoding, /* WINHTTP_QUERY_TRANSFER_ENCODING = 63 */
160 attr_upgrade, /* WINHTTP_QUERY_UPGRADE = 64 */
161 attr_vary, /* WINHTTP_QUERY_VARY = 65 */
162 attr_via, /* WINHTTP_QUERY_VIA = 66 */
163 attr_warning, /* WINHTTP_QUERY_WARNING = 67 */
164 attr_expect, /* WINHTTP_QUERY_EXPECT = 68 */
165 attr_proxy_connection, /* WINHTTP_QUERY_PROXY_CONNECTION = 69 */
166 attr_unless_modified_since, /* WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */
167 NULL, /* WINHTTP_QUERY_PROXY_SUPPORT = 75 */
168 NULL, /* WINHTTP_QUERY_AUTHENTICATION_INFO = 76 */
169 NULL, /* WINHTTP_QUERY_PASSPORT_URLS = 77 */
170 NULL /* WINHTTP_QUERY_PASSPORT_CONFIG = 78 */
171 };
172
173 static void free_header( header_t *header )
174 {
175 heap_free( header->field );
176 heap_free( header->value );
177 heap_free( header );
178 }
179
180 static BOOL valid_token_char( WCHAR c )
181 {
182 if (c < 32 || c == 127) return FALSE;
183 switch (c)
184 {
185 case '(': case ')':
186 case '<': case '>':
187 case '@': case ',':
188 case ';': case ':':
189 case '\\': case '\"':
190 case '/': case '[':
191 case ']': case '?':
192 case '=': case '{':
193 case '}': case ' ':
194 case '\t':
195 return FALSE;
196 default:
197 return TRUE;
198 }
199 }
200
201 static header_t *parse_header( LPCWSTR string )
202 {
203 const WCHAR *p, *q;
204 header_t *header;
205 int len;
206
207 p = string;
208 if (!(q = strchrW( p, ':' )))
209 {
210 WARN("no ':' in line %s\n", debugstr_w(string));
211 return NULL;
212 }
213 if (q == string)
214 {
215 WARN("empty field name in line %s\n", debugstr_w(string));
216 return NULL;
217 }
218 while (*p != ':')
219 {
220 if (!valid_token_char( *p ))
221 {
222 WARN("invalid character in field name %s\n", debugstr_w(string));
223 return NULL;
224 }
225 p++;
226 }
227 len = q - string;
228 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
229 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
230 {
231 heap_free( header );
232 return NULL;
233 }
234 memcpy( header->field, string, len * sizeof(WCHAR) );
235 header->field[len] = 0;
236
237 q++; /* skip past colon */
238 while (*q == ' ') q++;
239 if (!*q)
240 {
241 WARN("no value in line %s\n", debugstr_w(string));
242 return header;
243 }
244 len = strlenW( q );
245 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
246 {
247 free_header( header );
248 return NULL;
249 }
250 memcpy( header->value, q, len * sizeof(WCHAR) );
251 header->value[len] = 0;
252
253 return header;
254 }
255
256 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
257 {
258 int index;
259
260 TRACE("%s\n", debugstr_w(field));
261
262 for (index = 0; index < request->num_headers; index++)
263 {
264 if (strcmpiW( request->headers[index].field, field )) continue;
265 if (request_only && !request->headers[index].is_request) continue;
266 if (!request_only && request->headers[index].is_request) continue;
267
268 if (!requested_index) break;
269 requested_index--;
270 }
271 if (index >= request->num_headers) index = -1;
272 TRACE("returning %d\n", index);
273 return index;
274 }
275
276 static BOOL insert_header( request_t *request, header_t *header )
277 {
278 DWORD count;
279 header_t *hdrs;
280
281 count = request->num_headers + 1;
282 if (count > 1)
283 hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count );
284 else
285 hdrs = heap_alloc_zero( sizeof(header_t) * count );
286
287 if (hdrs)
288 {
289 request->headers = hdrs;
290 request->headers[count - 1].field = strdupW( header->field );
291 request->headers[count - 1].value = strdupW( header->value );
292 request->headers[count - 1].is_request = header->is_request;
293 request->num_headers++;
294 return TRUE;
295 }
296 return FALSE;
297 }
298
299 static BOOL delete_header( request_t *request, DWORD index )
300 {
301 if (!request->num_headers) return FALSE;
302 if (index >= request->num_headers) return FALSE;
303 request->num_headers--;
304
305 heap_free( request->headers[index].field );
306 heap_free( request->headers[index].value );
307
308 memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) );
309 memset( &request->headers[request->num_headers], 0, sizeof(header_t) );
310 return TRUE;
311 }
312
313 static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only )
314 {
315 int index;
316 header_t *header;
317
318 TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags);
319
320 /* replace wins out over add */
321 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD;
322
323 if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1;
324 else
325 index = get_header_index( request, field, 0, request_only );
326
327 if (index >= 0)
328 {
329 if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE;
330 header = &request->headers[index];
331 }
332 else if (value)
333 {
334 header_t hdr;
335
336 hdr.field = (LPWSTR)field;
337 hdr.value = (LPWSTR)value;
338 hdr.is_request = request_only;
339
340 return insert_header( request, &hdr );
341 }
342 /* no value to delete */
343 else return TRUE;
344
345 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE)
346 {
347 delete_header( request, index );
348 if (value)
349 {
350 header_t hdr;
351
352 hdr.field = (LPWSTR)field;
353 hdr.value = (LPWSTR)value;
354 hdr.is_request = request_only;
355
356 return insert_header( request, &hdr );
357 }
358 return TRUE;
359 }
360 else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON))
361 {
362 WCHAR sep, *tmp;
363 int len, orig_len, value_len;
364
365 orig_len = strlenW( header->value );
366 value_len = strlenW( value );
367
368 if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ',';
369 else sep = ';';
370
371 len = orig_len + value_len + 2;
372 if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) )))
373 {
374 header->value = tmp;
375
376 header->value[orig_len] = sep;
377 orig_len++;
378 header->value[orig_len] = ' ';
379 orig_len++;
380
381 memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) );
382 header->value[len] = 0;
383 return TRUE;
384 }
385 }
386 return TRUE;
387 }
388
389 static BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags )
390 {
391 BOOL ret = FALSE;
392 WCHAR *buffer, *p, *q;
393 header_t *header;
394
395 if (len == ~0UL) len = strlenW( headers );
396 if (!(buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return FALSE;
397 strcpyW( buffer, headers );
398
399 p = buffer;
400 do
401 {
402 q = p;
403 while (*q)
404 {
405 if (q[0] == '\r' && q[1] == '\n') break;
406 q++;
407 }
408 if (!*p) break;
409 if (*q == '\r')
410 {
411 *q = 0;
412 q += 2; /* jump over \r\n */
413 }
414 if ((header = parse_header( p )))
415 {
416 ret = process_header( request, header->field, header->value, flags, TRUE );
417 free_header( header );
418 }
419 p = q;
420 } while (ret);
421
422 heap_free( buffer );
423 return ret;
424 }
425
426 /***********************************************************************
427 * WinHttpAddRequestHeaders (winhttp.@)
428 */
429 BOOL WINAPI WinHttpAddRequestHeaders( HINTERNET hrequest, LPCWSTR headers, DWORD len, DWORD flags )
430 {
431 BOOL ret;
432 request_t *request;
433
434 TRACE("%p, %s, 0x%x, 0x%08x\n", hrequest, debugstr_w(headers), len, flags);
435
436 if (!headers)
437 {
438 set_last_error( ERROR_INVALID_PARAMETER );
439 return FALSE;
440 }
441 if (!(request = (request_t *)grab_object( hrequest )))
442 {
443 set_last_error( ERROR_INVALID_HANDLE );
444 return FALSE;
445 }
446 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
447 {
448 release_object( &request->hdr );
449 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
450 return FALSE;
451 }
452
453 ret = add_request_headers( request, headers, len, flags );
454
455 release_object( &request->hdr );
456 return ret;
457 }
458
459 static WCHAR *build_request_string( request_t *request, LPCWSTR verb, LPCWSTR path, LPCWSTR version )
460 {
461 static const WCHAR space[] = {' ',0};
462 static const WCHAR crlf[] = {'\r','\n',0};
463 static const WCHAR colon[] = {':',' ',0};
464 static const WCHAR twocrlf[] = {'\r','\n','\r','\n',0};
465
466 WCHAR *ret;
467 const WCHAR **headers, **p;
468 unsigned int len, i = 0, j;
469
470 /* allocate space for an array of all the string pointers to be added */
471 len = request->num_headers * 4 + 7;
472 if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL;
473
474 headers[i++] = verb;
475 headers[i++] = space;
476 headers[i++] = path;
477 headers[i++] = space;
478 headers[i++] = version;
479
480 for (j = 0; j < request->num_headers; j++)
481 {
482 if (request->headers[j].is_request)
483 {
484 headers[i++] = crlf;
485 headers[i++] = request->headers[j].field;
486 headers[i++] = colon;
487 headers[i++] = request->headers[j].value;
488
489 TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field),
490 debugstr_w(request->headers[j].value));
491 }
492 }
493 headers[i++] = twocrlf;
494 headers[i] = NULL;
495
496 len = 0;
497 for (p = headers; *p; p++) len += strlenW( *p );
498 len++;
499
500 if (!(ret = heap_alloc( len * sizeof(WCHAR) )))
501 {
502 heap_free( headers );
503 return NULL;
504 }
505 *ret = 0;
506 for (p = headers; *p; p++) strcatW( ret, *p );
507
508 heap_free( headers );
509 return ret;
510 }
511
512 #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER)
513
514 static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
515 {
516 header_t *header = NULL;
517 BOOL request_only, ret = FALSE;
518 int requested_index, header_index = -1;
519 DWORD attr;
520
521 request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS;
522 requested_index = index ? *index : 0;
523
524 attr = level & ~QUERY_MODIFIER_MASK;
525 switch (attr)
526 {
527 case WINHTTP_QUERY_CUSTOM:
528 {
529 header_index = get_header_index( request, name, requested_index, request_only );
530 break;
531 }
532 case WINHTTP_QUERY_RAW_HEADERS_CRLF:
533 {
534 WCHAR *headers;
535 DWORD len;
536
537 if (request_only)
538 headers = build_request_string( request, request->verb, request->path, request->version );
539 else
540 headers = request->raw_headers;
541
542 len = strlenW( headers ) * sizeof(WCHAR);
543 if (len + sizeof(WCHAR) > *buflen)
544 {
545 len += sizeof(WCHAR);
546 set_last_error( ERROR_INSUFFICIENT_BUFFER );
547 }
548 else if (buffer)
549 {
550 memcpy( buffer, headers, len + sizeof(WCHAR) );
551 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
552 ret = TRUE;
553 }
554 *buflen = len;
555 if (request_only) heap_free( headers );
556 return ret;
557 }
558 default:
559 {
560 if (attr > sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
561 {
562 FIXME("attribute %u not implemented\n", attr);
563 return FALSE;
564 }
565 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
566 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
567 }
568 }
569
570 if (header_index >= 0)
571 {
572 header = &request->headers[header_index];
573 }
574 if (!header || (request_only && !header->is_request))
575 {
576 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
577 return FALSE;
578 }
579 if (index) *index += 1;
580 if (level & WINHTTP_QUERY_FLAG_NUMBER)
581 {
582 int *number = buffer;
583 if (sizeof(int) > *buflen)
584 {
585 set_last_error( ERROR_INSUFFICIENT_BUFFER );
586 }
587 else if (number)
588 {
589 *number = atoiW( header->value );
590 TRACE("returning number: %d\n", *number);
591 ret = TRUE;
592 }
593 *buflen = sizeof(int);
594 }
595 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
596 {
597 SYSTEMTIME *st = buffer;
598 if (sizeof(SYSTEMTIME) > *buflen)
599 {
600 set_last_error( ERROR_INSUFFICIENT_BUFFER );
601 }
602 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
603 {
604 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
605 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
606 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
607 }
608 *buflen = sizeof(SYSTEMTIME);
609 }
610 else if (header->value)
611 {
612 WCHAR *string = buffer;
613 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
614 if (len > *buflen)
615 {
616 set_last_error( ERROR_INSUFFICIENT_BUFFER );
617 *buflen = len;
618 return FALSE;
619 }
620 else if (string)
621 {
622 strcpyW( string, header->value );
623 TRACE("returning string: %s\n", debugstr_w(string));
624 ret = TRUE;
625 }
626 *buflen = len - sizeof(WCHAR);
627 }
628 return ret;
629 }
630
631 /***********************************************************************
632 * WinHttpQueryHeaders (winhttp.@)
633 */
634 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
635 {
636 BOOL ret;
637 request_t *request;
638
639 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
640
641 if (!(request = (request_t *)grab_object( hrequest )))
642 {
643 set_last_error( ERROR_INVALID_HANDLE );
644 return FALSE;
645 }
646 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
647 {
648 release_object( &request->hdr );
649 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
650 return FALSE;
651 }
652
653 ret = query_headers( request, level, name, buffer, buflen, index );
654
655 release_object( &request->hdr );
656 return ret;
657 }
658
659 static BOOL open_connection( request_t *request )
660 {
661 connect_t *connect;
662 char address[32];
663 WCHAR *addressW;
664
665 if (netconn_connected( &request->netconn )) return TRUE;
666
667 connect = request->connect;
668 if (!netconn_resolve( connect->servername, connect->serverport, &connect->sockaddr )) return FALSE;
669
670 inet_ntop( connect->sockaddr.sin_family, &connect->sockaddr.sin_addr, address, sizeof(address) );
671 TRACE("connecting to %s:%u\n", address, ntohs(connect->sockaddr.sin_port));
672 addressW = strdupAW( address );
673
674 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
675
676 if (!netconn_create( &request->netconn, connect->sockaddr.sin_family, SOCK_STREAM, 0 ))
677 {
678 heap_free( addressW );
679 return FALSE;
680 }
681 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, sizeof(struct sockaddr_in) ))
682 {
683 netconn_close( &request->netconn );
684 heap_free( addressW );
685 return FALSE;
686 }
687
688 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, 0 );
689
690 heap_free( addressW );
691 return TRUE;
692 }
693
694 void close_connection( request_t *request )
695 {
696 if (!netconn_connected( &request->netconn )) return;
697
698 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
699 netconn_close( &request->netconn );
700 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
701 }
702
703 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
704 DWORD optional_len, DWORD total_len, DWORD_PTR context )
705 {
706 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
707 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
708 static const WCHAR length_fmt[] = {'%','l','d',0};
709
710 BOOL ret = FALSE;
711 connect_t *connect = request->connect;
712 session_t *session = connect->session;
713 WCHAR *req = NULL;
714 char *req_ascii;
715 int bytes_sent;
716 DWORD len;
717
718 if (session->agent)
719 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
720
721 if (connect->hostname)
722 process_header( request, attr_host, connect->hostname, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
723
724 if (optional_len)
725 {
726 WCHAR length[21]; /* decimal long int + null */
727 sprintfW( length, length_fmt, optional_len );
728 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
729 }
730 if (!(request->hdr.flags & WINHTTP_DISABLE_KEEP_ALIVE))
731 {
732 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
733 }
734 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
735 {
736 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
737 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
738 }
739 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
740 {
741 TRACE("failed to add request headers\n");
742 return FALSE;
743 }
744
745 if (!(ret = open_connection( request ))) goto end;
746 if (!(req = build_request_string( request, request->verb, request->path, request->version ))) goto end;
747
748 if (!(req_ascii = strdupWA( req ))) goto end;
749 TRACE("full request: %s\n", debugstr_a(req_ascii));
750 len = strlen(req_ascii);
751
752 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
753
754 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
755 heap_free( req_ascii );
756 if (!ret) goto end;
757
758 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
759 len += optional_len;
760
761 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
762
763 end:
764 heap_free( req );
765 return ret;
766 }
767
768 /***********************************************************************
769 * WinHttpSendRequest (winhttp.@)
770 */
771 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
772 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
773 {
774 BOOL ret;
775 request_t *request;
776
777 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
778 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
779
780 if (!(request = (request_t *)grab_object( hrequest )))
781 {
782 set_last_error( ERROR_INVALID_HANDLE );
783 return FALSE;
784 }
785 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
786 {
787 release_object( &request->hdr );
788 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
789 return FALSE;
790 }
791
792 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context );
793
794 release_object( &request->hdr );
795 return ret;
796 }
797
798 static void clear_response_headers( request_t *request )
799 {
800 unsigned int i;
801
802 for (i = 0; i < request->num_headers; i++)
803 {
804 if (!request->headers[i].field) continue;
805 if (!request->headers[i].value) continue;
806 if (request->headers[i].is_request) continue;
807 delete_header( request, i );
808 i--;
809 }
810 }
811
812 #define MAX_REPLY_LEN 1460
813 #define INITIAL_HEADER_BUFFER_SIZE 512
814
815 static BOOL receive_response( request_t *request, BOOL clear )
816 {
817 static const WCHAR crlf[] = {'\r','\n',0};
818
819 char buffer[MAX_REPLY_LEN];
820 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
821 char *status_code, *status_text;
822 WCHAR *versionW, *status_textW, *raw_headers;
823 WCHAR status_codeW[4]; /* sizeof("nnn") */
824
825 if (!netconn_connected( &request->netconn )) return FALSE;
826
827 /* clear old response headers (eg. from a redirect response) */
828 if (clear) clear_response_headers( request );
829
830 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
831
832 received_len = 0;
833 do
834 {
835 buflen = MAX_REPLY_LEN;
836 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
837 received_len += buflen;
838
839 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
840 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
841 status_code++;
842 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
843 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
844 status_text++;
845
846 TRACE("version [%s] status code [%s] status text [%s]\n",
847 debugstr_an(buffer, status_code - buffer - 1),
848 debugstr_an(status_code, len),
849 debugstr_a(status_text));
850
851 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
852
853 /* we rely on the fact that the protocol is ascii */
854 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
855 status_codeW[len] = 0;
856 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
857
858 len = status_code - buffer;
859 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
860 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
861 versionW[len - 1] = 0;
862
863 heap_free( request->version );
864 request->version = versionW;
865
866 len = buflen - (status_text - buffer);
867 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
868 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
869
870 heap_free( request->status_text );
871 request->status_text = status_textW;
872
873 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_SIZE );
874 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
875 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
876 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
877
878 heap_free( request->raw_headers );
879 request->raw_headers = raw_headers;
880
881 offset = buflen + crlf_len - 1;
882 for (;;)
883 {
884 header_t *header;
885
886 buflen = MAX_REPLY_LEN;
887 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
888 received_len += buflen;
889 if (!*buffer) break;
890
891 while (len - offset < buflen + crlf_len)
892 {
893 WCHAR *tmp;
894 len *= 2;
895 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
896 request->raw_headers = raw_headers = tmp;
897 }
898 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
899
900 if (!(header = parse_header( raw_headers + offset ))) break;
901 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
902 {
903 free_header( header );
904 break;
905 }
906 free_header( header );
907 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
908 offset += buflen + crlf_len - 1;
909 }
910
911 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
912
913 end:
914 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
915 return TRUE;
916 }
917
918 /***********************************************************************
919 * WinHttpReceiveResponse (winhttp.@)
920 */
921 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
922 {
923 BOOL ret = TRUE;
924 request_t *request;
925 DWORD size, query;
926
927 TRACE("%p, %p\n", hrequest, reserved);
928
929 if (!(request = (request_t *)grab_object( hrequest )))
930 {
931 set_last_error( ERROR_INVALID_HANDLE );
932 return FALSE;
933 }
934 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
935 {
936 release_object( &request->hdr );
937 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
938 return FALSE;
939 }
940
941 ret = receive_response( request, TRUE );
942
943 size = sizeof(DWORD);
944 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
945 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
946 request->content_length = ~0UL;
947
948 release_object( &request->hdr );
949 return ret;
950 }
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