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configure: Remove some dead code.
[wine/multimedia.git] / dlls / winhttp / request.c
blob7c1205c13fda5eb510965320fdf1aff9d03d0ddd
1 /*
2 * Copyright 2004 Mike McCormack for CodeWeavers
3 * Copyright 2006 Rob Shearman for CodeWeavers
4 * Copyright 2008 Hans Leidekker for CodeWeavers
5 * Copyright 2009 Juan Lang
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24 #include "wine/debug.h"
25
26 #include <stdarg.h>
27 #ifdef HAVE_ARPA_INET_H
28 # include <arpa/inet.h>
29 #endif
30
31 #include "windef.h"
32 #include "winbase.h"
33 #include "winhttp.h"
34
35 #include "winhttp_private.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
38
39 static const WCHAR attr_accept[] = {'A','c','c','e','p','t',0};
40 static const WCHAR attr_accept_charset[] = {'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0};
41 static const WCHAR attr_accept_encoding[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0};
42 static const WCHAR attr_accept_language[] = {'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0};
43 static const WCHAR attr_accept_ranges[] = {'A','c','c','e','p','t','-','R','a','n','g','e','s',0};
44 static const WCHAR attr_age[] = {'A','g','e',0};
45 static const WCHAR attr_allow[] = {'A','l','l','o','w',0};
46 static const WCHAR attr_authorization[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',0};
47 static const WCHAR attr_cache_control[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l',0};
48 static const WCHAR attr_connection[] = {'C','o','n','n','e','c','t','i','o','n',0};
49 static const WCHAR attr_content_base[] = {'C','o','n','t','e','n','t','-','B','a','s','e',0};
50 static const WCHAR attr_content_encoding[] = {'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0};
51 static const WCHAR attr_content_id[] = {'C','o','n','t','e','n','t','-','I','D',0};
52 static const WCHAR attr_content_language[] = {'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0};
53 static const WCHAR attr_content_length[] = {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0};
54 static const WCHAR attr_content_location[] = {'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0};
55 static const WCHAR attr_content_md5[] = {'C','o','n','t','e','n','t','-','M','D','5',0};
56 static const WCHAR attr_content_range[] = {'C','o','n','t','e','n','t','-','R','a','n','g','e',0};
57 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};
58 static const WCHAR attr_content_type[] = {'C','o','n','t','e','n','t','-','T','y','p','e',0};
59 static const WCHAR attr_cookie[] = {'C','o','o','k','i','e',0};
60 static const WCHAR attr_date[] = {'D','a','t','e',0};
61 static const WCHAR attr_from[] = {'F','r','o','m',0};
62 static const WCHAR attr_etag[] = {'E','T','a','g',0};
63 static const WCHAR attr_expect[] = {'E','x','p','e','c','t',0};
64 static const WCHAR attr_expires[] = {'E','x','p','i','r','e','s',0};
65 static const WCHAR attr_host[] = {'H','o','s','t',0};
66 static const WCHAR attr_if_match[] = {'I','f','-','M','a','t','c','h',0};
67 static const WCHAR attr_if_modified_since[] = {'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
68 static const WCHAR attr_if_none_match[] = {'I','f','-','N','o','n','e','-','M','a','t','c','h',0};
69 static const WCHAR attr_if_range[] = {'I','f','-','R','a','n','g','e',0};
70 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};
71 static const WCHAR attr_last_modified[] = {'L','a','s','t','-','M','o','d','i','f','i','e','d',0};
72 static const WCHAR attr_location[] = {'L','o','c','a','t','i','o','n',0};
73 static const WCHAR attr_max_forwards[] = {'M','a','x','-','F','o','r','w','a','r','d','s',0};
74 static const WCHAR attr_mime_version[] = {'M','i','m','e','-','V','e','r','s','i','o','n',0};
75 static const WCHAR attr_pragma[] = {'P','r','a','g','m','a',0};
76 static const WCHAR attr_proxy_authenticate[] = {'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
77 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};
78 static const WCHAR attr_proxy_connection[] = {'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0};
79 static const WCHAR attr_public[] = {'P','u','b','l','i','c',0};
80 static const WCHAR attr_range[] = {'R','a','n','g','e',0};
81 static const WCHAR attr_referer[] = {'R','e','f','e','r','e','r',0};
82 static const WCHAR attr_retry_after[] = {'R','e','t','r','y','-','A','f','t','e','r',0};
83 static const WCHAR attr_server[] = {'S','e','r','v','e','r',0};
84 static const WCHAR attr_set_cookie[] = {'S','e','t','-','C','o','o','k','i','e',0};
85 static const WCHAR attr_status[] = {'S','t','a','t','u','s',0};
86 static const WCHAR attr_transfer_encoding[] = {'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
87 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};
88 static const WCHAR attr_upgrade[] = {'U','p','g','r','a','d','e',0};
89 static const WCHAR attr_uri[] = {'U','R','I',0};
90 static const WCHAR attr_user_agent[] = {'U','s','e','r','-','A','g','e','n','t',0};
91 static const WCHAR attr_vary[] = {'V','a','r','y',0};
92 static const WCHAR attr_via[] = {'V','i','a',0};
93 static const WCHAR attr_warning[] = {'W','a','r','n','i','n','g',0};
94 static const WCHAR attr_www_authenticate[] = {'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
95
96 static const WCHAR *attribute_table[] =
97 {
98 attr_mime_version, /* WINHTTP_QUERY_MIME_VERSION = 0 */
99 attr_content_type, /* WINHTTP_QUERY_CONTENT_TYPE = 1 */
100 attr_content_transfer_encoding, /* WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */
101 attr_content_id, /* WINHTTP_QUERY_CONTENT_ID = 3 */
102 NULL, /* WINHTTP_QUERY_CONTENT_DESCRIPTION = 4 */
103 attr_content_length, /* WINHTTP_QUERY_CONTENT_LENGTH = 5 */
104 attr_content_language, /* WINHTTP_QUERY_CONTENT_LANGUAGE = 6 */
105 attr_allow, /* WINHTTP_QUERY_ALLOW = 7 */
106 attr_public, /* WINHTTP_QUERY_PUBLIC = 8 */
107 attr_date, /* WINHTTP_QUERY_DATE = 9 */
108 attr_expires, /* WINHTTP_QUERY_EXPIRES = 10 */
109 attr_last_modified, /* WINHTTP_QUERY_LAST_MODIFIEDcw = 11 */
110 NULL, /* WINHTTP_QUERY_MESSAGE_ID = 12 */
111 attr_uri, /* WINHTTP_QUERY_URI = 13 */
112 attr_from, /* WINHTTP_QUERY_DERIVED_FROM = 14 */
113 NULL, /* WINHTTP_QUERY_COST = 15 */
114 NULL, /* WINHTTP_QUERY_LINK = 16 */
115 attr_pragma, /* WINHTTP_QUERY_PRAGMA = 17 */
116 NULL, /* WINHTTP_QUERY_VERSION = 18 */
117 attr_status, /* WINHTTP_QUERY_STATUS_CODE = 19 */
118 NULL, /* WINHTTP_QUERY_STATUS_TEXT = 20 */
119 NULL, /* WINHTTP_QUERY_RAW_HEADERS = 21 */
120 NULL, /* WINHTTP_QUERY_RAW_HEADERS_CRLF = 22 */
121 attr_connection, /* WINHTTP_QUERY_CONNECTION = 23 */
122 attr_accept, /* WINHTTP_QUERY_ACCEPT = 24 */
123 attr_accept_charset, /* WINHTTP_QUERY_ACCEPT_CHARSET = 25 */
124 attr_accept_encoding, /* WINHTTP_QUERY_ACCEPT_ENCODING = 26 */
125 attr_accept_language, /* WINHTTP_QUERY_ACCEPT_LANGUAGE = 27 */
126 attr_authorization, /* WINHTTP_QUERY_AUTHORIZATION = 28 */
127 attr_content_encoding, /* WINHTTP_QUERY_CONTENT_ENCODING = 29 */
128 NULL, /* WINHTTP_QUERY_FORWARDED = 30 */
129 NULL, /* WINHTTP_QUERY_FROM = 31 */
130 attr_if_modified_since, /* WINHTTP_QUERY_IF_MODIFIED_SINCE = 32 */
131 attr_location, /* WINHTTP_QUERY_LOCATION = 33 */
132 NULL, /* WINHTTP_QUERY_ORIG_URI = 34 */
133 attr_referer, /* WINHTTP_QUERY_REFERER = 35 */
134 attr_retry_after, /* WINHTTP_QUERY_RETRY_AFTER = 36 */
135 attr_server, /* WINHTTP_QUERY_SERVER = 37 */
136 NULL, /* WINHTTP_TITLE = 38 */
137 attr_user_agent, /* WINHTTP_QUERY_USER_AGENT = 39 */
138 attr_www_authenticate, /* WINHTTP_QUERY_WWW_AUTHENTICATE = 40 */
139 attr_proxy_authenticate, /* WINHTTP_QUERY_PROXY_AUTHENTICATE = 41 */
140 attr_accept_ranges, /* WINHTTP_QUERY_ACCEPT_RANGES = 42 */
141 attr_set_cookie, /* WINHTTP_QUERY_SET_COOKIE = 43 */
142 attr_cookie, /* WINHTTP_QUERY_COOKIE = 44 */
143 NULL, /* WINHTTP_QUERY_REQUEST_METHOD = 45 */
144 NULL, /* WINHTTP_QUERY_REFRESH = 46 */
145 NULL, /* WINHTTP_QUERY_CONTENT_DISPOSITION = 47 */
146 attr_age, /* WINHTTP_QUERY_AGE = 48 */
147 attr_cache_control, /* WINHTTP_QUERY_CACHE_CONTROL = 49 */
148 attr_content_base, /* WINHTTP_QUERY_CONTENT_BASE = 50 */
149 attr_content_location, /* WINHTTP_QUERY_CONTENT_LOCATION = 51 */
150 attr_content_md5, /* WINHTTP_QUERY_CONTENT_MD5 = 52 */
151 attr_content_range, /* WINHTTP_QUERY_CONTENT_RANGE = 53 */
152 attr_etag, /* WINHTTP_QUERY_ETAG = 54 */
153 attr_host, /* WINHTTP_QUERY_HOST = 55 */
154 attr_if_match, /* WINHTTP_QUERY_IF_MATCH = 56 */
155 attr_if_none_match, /* WINHTTP_QUERY_IF_NONE_MATCH = 57 */
156 attr_if_range, /* WINHTTP_QUERY_IF_RANGE = 58 */
157 attr_if_unmodified_since, /* WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */
158 attr_max_forwards, /* WINHTTP_QUERY_MAX_FORWARDS = 60 */
159 attr_proxy_authorization, /* WINHTTP_QUERY_PROXY_AUTHORIZATION = 61 */
160 attr_range, /* WINHTTP_QUERY_RANGE = 62 */
161 attr_transfer_encoding, /* WINHTTP_QUERY_TRANSFER_ENCODING = 63 */
162 attr_upgrade, /* WINHTTP_QUERY_UPGRADE = 64 */
163 attr_vary, /* WINHTTP_QUERY_VARY = 65 */
164 attr_via, /* WINHTTP_QUERY_VIA = 66 */
165 attr_warning, /* WINHTTP_QUERY_WARNING = 67 */
166 attr_expect, /* WINHTTP_QUERY_EXPECT = 68 */
167 attr_proxy_connection, /* WINHTTP_QUERY_PROXY_CONNECTION = 69 */
168 attr_unless_modified_since, /* WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */
169 NULL, /* WINHTTP_QUERY_PROXY_SUPPORT = 75 */
170 NULL, /* WINHTTP_QUERY_AUTHENTICATION_INFO = 76 */
171 NULL, /* WINHTTP_QUERY_PASSPORT_URLS = 77 */
172 NULL /* WINHTTP_QUERY_PASSPORT_CONFIG = 78 */
173 };
174
175 static DWORD CALLBACK task_thread( LPVOID param )
176 {
177 task_header_t *task = param;
178
179 task->proc( task );
180
181 release_object( &task->request->hdr );
182 heap_free( task );
183 return ERROR_SUCCESS;
184 }
185
186 static BOOL queue_task( task_header_t *task )
187 {
188 return QueueUserWorkItem( task_thread, task, WT_EXECUTELONGFUNCTION );
189 }
190
191 static void free_header( header_t *header )
192 {
193 heap_free( header->field );
194 heap_free( header->value );
195 heap_free( header );
196 }
197
198 static BOOL valid_token_char( WCHAR c )
199 {
200 if (c < 32 || c == 127) return FALSE;
201 switch (c)
202 {
203 case '(': case ')':
204 case '<': case '>':
205 case '@': case ',':
206 case ';': case ':':
207 case '\\': case '\"':
208 case '/': case '[':
209 case ']': case '?':
210 case '=': case '{':
211 case '}': case ' ':
212 case '\t':
213 return FALSE;
214 default:
215 return TRUE;
216 }
217 }
218
219 static header_t *parse_header( LPCWSTR string )
220 {
221 const WCHAR *p, *q;
222 header_t *header;
223 int len;
224
225 p = string;
226 if (!(q = strchrW( p, ':' )))
227 {
228 WARN("no ':' in line %s\n", debugstr_w(string));
229 return NULL;
230 }
231 if (q == string)
232 {
233 WARN("empty field name in line %s\n", debugstr_w(string));
234 return NULL;
235 }
236 while (*p != ':')
237 {
238 if (!valid_token_char( *p ))
239 {
240 WARN("invalid character in field name %s\n", debugstr_w(string));
241 return NULL;
242 }
243 p++;
244 }
245 len = q - string;
246 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
247 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
248 {
249 heap_free( header );
250 return NULL;
251 }
252 memcpy( header->field, string, len * sizeof(WCHAR) );
253 header->field[len] = 0;
254
255 q++; /* skip past colon */
256 while (*q == ' ') q++;
257 if (!*q)
258 {
259 WARN("no value in line %s\n", debugstr_w(string));
260 return header;
261 }
262 len = strlenW( q );
263 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
264 {
265 free_header( header );
266 return NULL;
267 }
268 memcpy( header->value, q, len * sizeof(WCHAR) );
269 header->value[len] = 0;
270
271 return header;
272 }
273
274 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
275 {
276 int index;
277
278 TRACE("%s\n", debugstr_w(field));
279
280 for (index = 0; index < request->num_headers; index++)
281 {
282 if (strcmpiW( request->headers[index].field, field )) continue;
283 if (request_only && !request->headers[index].is_request) continue;
284 if (!request_only && request->headers[index].is_request) continue;
285
286 if (!requested_index) break;
287 requested_index--;
288 }
289 if (index >= request->num_headers) index = -1;
290 TRACE("returning %d\n", index);
291 return index;
292 }
293
294 static BOOL insert_header( request_t *request, header_t *header )
295 {
296 DWORD count;
297 header_t *hdrs;
298
299 count = request->num_headers + 1;
300 if (count > 1)
301 hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count );
302 else
303 hdrs = heap_alloc_zero( sizeof(header_t) * count );
304
305 if (hdrs)
306 {
307 request->headers = hdrs;
308 request->headers[count - 1].field = strdupW( header->field );
309 request->headers[count - 1].value = strdupW( header->value );
310 request->headers[count - 1].is_request = header->is_request;
311 request->num_headers++;
312 return TRUE;
313 }
314 return FALSE;
315 }
316
317 static BOOL delete_header( request_t *request, DWORD index )
318 {
319 if (!request->num_headers) return FALSE;
320 if (index >= request->num_headers) return FALSE;
321 request->num_headers--;
322
323 heap_free( request->headers[index].field );
324 heap_free( request->headers[index].value );
325
326 memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) );
327 memset( &request->headers[request->num_headers], 0, sizeof(header_t) );
328 return TRUE;
329 }
330
331 static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only )
332 {
333 int index;
334 header_t *header;
335
336 TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags);
337
338 /* replace wins out over add */
339 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD;
340
341 if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1;
342 else
343 index = get_header_index( request, field, 0, request_only );
344
345 if (index >= 0)
346 {
347 if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE;
348 header = &request->headers[index];
349 }
350 else if (value)
351 {
352 header_t hdr;
353
354 hdr.field = (LPWSTR)field;
355 hdr.value = (LPWSTR)value;
356 hdr.is_request = request_only;
357
358 return insert_header( request, &hdr );
359 }
360 /* no value to delete */
361 else return TRUE;
362
363 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE)
364 {
365 delete_header( request, index );
366 if (value)
367 {
368 header_t hdr;
369
370 hdr.field = (LPWSTR)field;
371 hdr.value = (LPWSTR)value;
372 hdr.is_request = request_only;
373
374 return insert_header( request, &hdr );
375 }
376 return TRUE;
377 }
378 else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON))
379 {
380 WCHAR sep, *tmp;
381 int len, orig_len, value_len;
382
383 orig_len = strlenW( header->value );
384 value_len = strlenW( value );
385
386 if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ',';
387 else sep = ';';
388
389 len = orig_len + value_len + 2;
390 if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) )))
391 {
392 header->value = tmp;
393
394 header->value[orig_len] = sep;
395 orig_len++;
396 header->value[orig_len] = ' ';
397 orig_len++;
398
399 memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) );
400 header->value[len] = 0;
401 return TRUE;
402 }
403 }
404 return TRUE;
405 }
406
407 BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags )
408 {
409 BOOL ret = FALSE;
410 WCHAR *buffer, *p, *q;
411 header_t *header;
412
413 if (len == ~0u) len = strlenW( headers );
414 if (!len) return TRUE;
415 if (!(buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return FALSE;
416 strcpyW( buffer, headers );
417
418 p = buffer;
419 do
420 {
421 q = p;
422 while (*q)
423 {
424 if (q[0] == '\r' && q[1] == '\n') break;
425 q++;
426 }
427 if (!*p) break;
428 if (*q == '\r')
429 {
430 *q = 0;
431 q += 2; /* jump over \r\n */
432 }
433 if ((header = parse_header( p )))
434 {
435 ret = process_header( request, header->field, header->value, flags, TRUE );
436 free_header( header );
437 }
438 p = q;
439 } while (ret);
440
441 heap_free( buffer );
442 return ret;
443 }
444
445 /***********************************************************************
446 * WinHttpAddRequestHeaders (winhttp.@)
447 */
448 BOOL WINAPI WinHttpAddRequestHeaders( HINTERNET hrequest, LPCWSTR headers, DWORD len, DWORD flags )
449 {
450 BOOL ret;
451 request_t *request;
452
453 TRACE("%p, %s, 0x%x, 0x%08x\n", hrequest, debugstr_w(headers), len, flags);
454
455 if (!headers)
456 {
457 set_last_error( ERROR_INVALID_PARAMETER );
458 return FALSE;
459 }
460 if (!(request = (request_t *)grab_object( hrequest )))
461 {
462 set_last_error( ERROR_INVALID_HANDLE );
463 return FALSE;
464 }
465 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
466 {
467 release_object( &request->hdr );
468 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
469 return FALSE;
470 }
471
472 ret = add_request_headers( request, headers, len, flags );
473
474 release_object( &request->hdr );
475 return ret;
476 }
477
478 static WCHAR *build_request_path( request_t *request )
479 {
480 WCHAR *ret;
481
482 if (strcmpiW( request->connect->hostname, request->connect->servername ))
483 {
484 static const WCHAR http[] = { 'h','t','t','p',0 };
485 static const WCHAR https[] = { 'h','t','t','p','s',0 };
486 static const WCHAR fmt[] = { '%','s',':','/','/','%','s',0 };
487 LPCWSTR scheme = request->netconn.secure ? https : http;
488 int len;
489
490 len = strlenW( scheme ) + strlenW( request->connect->hostname );
491 /* 3 characters for '://', 1 for NUL. */
492 len += 4;
493 if (request->connect->hostport)
494 {
495 /* 1 for ':' between host and port, up to 5 for port */
496 len += 6;
497 }
498 if (request->path)
499 len += strlenW( request->path );
500 if ((ret = heap_alloc( len * sizeof(WCHAR) )))
501 {
502 sprintfW( ret, fmt, scheme, request->connect->hostname );
503 if (request->connect->hostport)
504 {
505 static const WCHAR colonFmt[] = { ':','%','d',0 };
506
507 sprintfW( ret + strlenW( ret ), colonFmt,
508 request->connect->hostport );
509 }
510 if (request->path)
511 strcatW( ret, request->path );
512 }
513 }
514 else
515 ret = request->path;
516 return ret;
517 }
518
519 static WCHAR *build_request_string( request_t *request )
520 {
521 static const WCHAR space[] = {' ',0};
522 static const WCHAR crlf[] = {'\r','\n',0};
523 static const WCHAR colon[] = {':',' ',0};
524 static const WCHAR twocrlf[] = {'\r','\n','\r','\n',0};
525
526 WCHAR *path, *ret;
527 const WCHAR **headers, **p;
528 unsigned int len, i = 0, j;
529
530 /* allocate space for an array of all the string pointers to be added */
531 len = request->num_headers * 4 + 7;
532 if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL;
533
534 path = build_request_path( request );
535 headers[i++] = request->verb;
536 headers[i++] = space;
537 headers[i++] = path;
538 headers[i++] = space;
539 headers[i++] = request->version;
540
541 for (j = 0; j < request->num_headers; j++)
542 {
543 if (request->headers[j].is_request)
544 {
545 headers[i++] = crlf;
546 headers[i++] = request->headers[j].field;
547 headers[i++] = colon;
548 headers[i++] = request->headers[j].value;
549
550 TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field),
551 debugstr_w(request->headers[j].value));
552 }
553 }
554 headers[i++] = twocrlf;
555 headers[i] = NULL;
556
557 len = 0;
558 for (p = headers; *p; p++) len += strlenW( *p );
559 len++;
560
561 if (!(ret = heap_alloc( len * sizeof(WCHAR) )))
562 goto out;
563 *ret = 0;
564 for (p = headers; *p; p++) strcatW( ret, *p );
565
566 out:
567 if (path != request->path)
568 heap_free( path );
569 heap_free( headers );
570 return ret;
571 }
572
573 #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER)
574
575 static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
576 {
577 header_t *header = NULL;
578 BOOL request_only, ret = FALSE;
579 int requested_index, header_index = -1;
580 DWORD attr, len;
581
582 request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS;
583 requested_index = index ? *index : 0;
584
585 attr = level & ~QUERY_MODIFIER_MASK;
586 switch (attr)
587 {
588 case WINHTTP_QUERY_CUSTOM:
589 {
590 header_index = get_header_index( request, name, requested_index, request_only );
591 break;
592 }
593 case WINHTTP_QUERY_RAW_HEADERS:
594 {
595 WCHAR *headers, *p, *q;
596
597 if (request_only)
598 headers = build_request_string( request );
599 else
600 headers = request->raw_headers;
601
602 if (!(p = headers)) return FALSE;
603 for (len = 0; *p; p++) if (*p != '\r') len++;
604
605 if ((len + 1) * sizeof(WCHAR) > *buflen || !buffer)
606 {
607 len++;
608 set_last_error( ERROR_INSUFFICIENT_BUFFER );
609 }
610 else if (buffer)
611 {
612 for (p = headers, q = buffer; *p; p++, q++)
613 {
614 if (*p != '\r') *q = *p;
615 else
616 {
617 *q = 0;
618 p++; /* skip '\n' */
619 }
620 }
621 *q = 0;
622 TRACE("returning data: %s\n", debugstr_wn(buffer, len));
623 ret = TRUE;
624 }
625 *buflen = len * sizeof(WCHAR);
626 if (request_only) heap_free( headers );
627 return ret;
628 }
629 case WINHTTP_QUERY_RAW_HEADERS_CRLF:
630 {
631 WCHAR *headers;
632
633 if (request_only)
634 headers = build_request_string( request );
635 else
636 headers = request->raw_headers;
637
638 if (!headers) return FALSE;
639 len = strlenW( headers ) * sizeof(WCHAR);
640 if (len + sizeof(WCHAR) > *buflen || !buffer)
641 {
642 len += sizeof(WCHAR);
643 set_last_error( ERROR_INSUFFICIENT_BUFFER );
644 }
645 else if (buffer)
646 {
647 memcpy( buffer, headers, len + sizeof(WCHAR) );
648 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
649 ret = TRUE;
650 }
651 *buflen = len;
652 if (request_only) heap_free( headers );
653 return ret;
654 }
655 case WINHTTP_QUERY_VERSION:
656 {
657 DWORD len = (strlenW( request->version ) + 1) * sizeof(WCHAR);
658 if (len > *buflen)
659 {
660 set_last_error( ERROR_INSUFFICIENT_BUFFER );
661 *buflen = len;
662 return FALSE;
663 }
664 else if (buffer)
665 {
666 strcpyW( buffer, request->version );
667 TRACE("returning string: %s\n", debugstr_w(buffer));
668 ret = TRUE;
669 }
670 *buflen = len - sizeof(WCHAR);
671 return ret;
672 }
673 case WINHTTP_QUERY_STATUS_TEXT:
674 {
675 DWORD len = (strlenW( request->status_text ) + 1) * sizeof(WCHAR);
676 if (len > *buflen)
677 {
678 set_last_error( ERROR_INSUFFICIENT_BUFFER );
679 *buflen = len;
680 return FALSE;
681 }
682 else if (buffer)
683 {
684 strcpyW( buffer, request->status_text );
685 TRACE("returning string: %s\n", debugstr_w(buffer));
686 ret = TRUE;
687 }
688 *buflen = len - sizeof(WCHAR);
689 return ret;
690 }
691 default:
692 {
693 if (attr >= sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
694 {
695 FIXME("attribute %u not implemented\n", attr);
696 return FALSE;
697 }
698 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
699 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
700 }
701 }
702
703 if (header_index >= 0)
704 {
705 header = &request->headers[header_index];
706 }
707 if (!header || (request_only && !header->is_request))
708 {
709 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
710 return FALSE;
711 }
712 if (index) *index += 1;
713 if (level & WINHTTP_QUERY_FLAG_NUMBER)
714 {
715 int *number = buffer;
716 if (sizeof(int) > *buflen)
717 {
718 set_last_error( ERROR_INSUFFICIENT_BUFFER );
719 }
720 else if (number)
721 {
722 *number = atoiW( header->value );
723 TRACE("returning number: %d\n", *number);
724 ret = TRUE;
725 }
726 *buflen = sizeof(int);
727 }
728 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
729 {
730 SYSTEMTIME *st = buffer;
731 if (sizeof(SYSTEMTIME) > *buflen)
732 {
733 set_last_error( ERROR_INSUFFICIENT_BUFFER );
734 }
735 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
736 {
737 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
738 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
739 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
740 }
741 *buflen = sizeof(SYSTEMTIME);
742 }
743 else if (header->value)
744 {
745 WCHAR *string = buffer;
746 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
747 if (len > *buflen)
748 {
749 set_last_error( ERROR_INSUFFICIENT_BUFFER );
750 *buflen = len;
751 return FALSE;
752 }
753 else if (string)
754 {
755 strcpyW( string, header->value );
756 TRACE("returning string: %s\n", debugstr_w(string));
757 ret = TRUE;
758 }
759 *buflen = len - sizeof(WCHAR);
760 }
761 return ret;
762 }
763
764 /***********************************************************************
765 * WinHttpQueryHeaders (winhttp.@)
766 */
767 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
768 {
769 BOOL ret;
770 request_t *request;
771
772 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
773
774 if (!(request = (request_t *)grab_object( hrequest )))
775 {
776 set_last_error( ERROR_INVALID_HANDLE );
777 return FALSE;
778 }
779 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
780 {
781 release_object( &request->hdr );
782 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
783 return FALSE;
784 }
785
786 ret = query_headers( request, level, name, buffer, buflen, index );
787
788 release_object( &request->hdr );
789 return ret;
790 }
791
792 static LPWSTR concatenate_string_list( LPCWSTR *list, int len )
793 {
794 LPCWSTR *t;
795 LPWSTR str;
796
797 for( t = list; *t ; t++ )
798 len += strlenW( *t );
799 len++;
800
801 str = heap_alloc( len * sizeof(WCHAR) );
802 if (!str) return NULL;
803 *str = 0;
804
805 for( t = list; *t ; t++ )
806 strcatW( str, *t );
807
808 return str;
809 }
810
811 static LPWSTR build_header_request_string( request_t *request, LPCWSTR verb,
812 LPCWSTR path, LPCWSTR version )
813 {
814 static const WCHAR crlf[] = {'\r','\n',0};
815 static const WCHAR space[] = { ' ',0 };
816 static const WCHAR colon[] = { ':',' ',0 };
817 static const WCHAR twocrlf[] = {'\r','\n','\r','\n', 0};
818 LPWSTR requestString;
819 DWORD len, n;
820 LPCWSTR *req;
821 UINT i;
822 LPWSTR p;
823
824 /* allocate space for an array of all the string pointers to be added */
825 len = (request->num_headers) * 4 + 10;
826 req = heap_alloc( len * sizeof(LPCWSTR) );
827 if (!req) return NULL;
828
829 /* add the verb, path and HTTP version string */
830 n = 0;
831 req[n++] = verb;
832 req[n++] = space;
833 req[n++] = path;
834 req[n++] = space;
835 req[n++] = version;
836
837 /* Append custom request headers */
838 for (i = 0; i < request->num_headers; i++)
839 {
840 if (request->headers[i].is_request)
841 {
842 req[n++] = crlf;
843 req[n++] = request->headers[i].field;
844 req[n++] = colon;
845 req[n++] = request->headers[i].value;
846
847 TRACE("Adding custom header %s (%s)\n",
848 debugstr_w(request->headers[i].field),
849 debugstr_w(request->headers[i].value));
850 }
851 }
852
853 if( n >= len )
854 ERR("oops. buffer overrun\n");
855
856 req[n] = NULL;
857 requestString = concatenate_string_list( req, 4 );
858 heap_free( req );
859 if (!requestString) return NULL;
860
861 /*
862 * Set (header) termination string for request
863 * Make sure there's exactly two new lines at the end of the request
864 */
865 p = &requestString[strlenW(requestString)-1];
866 while ( (*p == '\n') || (*p == '\r') )
867 p--;
868 strcpyW( p+1, twocrlf );
869
870 return requestString;
871 }
872
873 static BOOL read_reply( request_t *request );
874
875 static BOOL secure_proxy_connect( request_t *request )
876 {
877 static const WCHAR verbConnect[] = {'C','O','N','N','E','C','T',0};
878 static const WCHAR fmt[] = {'%','s',':','%','d',0};
879 BOOL ret = FALSE;
880 LPWSTR path;
881 connect_t *connect = request->connect;
882
883 path = heap_alloc( (strlenW( connect->hostname ) + 13) * sizeof(WCHAR) );
884 if (path)
885 {
886 LPWSTR requestString;
887
888 sprintfW( path, fmt, connect->hostname, connect->hostport );
889 requestString = build_header_request_string( request, verbConnect,
890 path, http1_1 );
891 heap_free( path );
892 if (requestString)
893 {
894 LPSTR req_ascii = strdupWA( requestString );
895
896 heap_free( requestString );
897 if (req_ascii)
898 {
899 int len = strlen( req_ascii ), bytes_sent;
900
901 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
902 heap_free( req_ascii );
903 if (ret)
904 ret = read_reply( request );
905 }
906 }
907 }
908 return ret;
909 }
910
911 #ifndef INET6_ADDRSTRLEN
912 #define INET6_ADDRSTRLEN 46
913 #endif
914
915 static BOOL open_connection( request_t *request )
916 {
917 connect_t *connect;
918 const void *addr;
919 char address[INET6_ADDRSTRLEN];
920 WCHAR *addressW;
921 INTERNET_PORT port;
922 socklen_t slen;
923
924 if (netconn_connected( &request->netconn )) return TRUE;
925
926 connect = request->connect;
927 port = connect->serverport ? connect->serverport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
928
929 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, connect->servername, strlenW(connect->servername) + 1 );
930
931 slen = sizeof(connect->sockaddr);
932 if (!netconn_resolve( connect->servername, port, (struct sockaddr *)&connect->sockaddr, &slen, request->resolve_timeout )) return FALSE;
933 switch (connect->sockaddr.ss_family)
934 {
935 case AF_INET:
936 addr = &((struct sockaddr_in *)&connect->sockaddr)->sin_addr;
937 break;
938 case AF_INET6:
939 addr = &((struct sockaddr_in6 *)&connect->sockaddr)->sin6_addr;
940 break;
941 default:
942 WARN("unsupported address family %d\n", connect->sockaddr.ss_family);
943 return FALSE;
944 }
945 inet_ntop( connect->sockaddr.ss_family, addr, address, sizeof(address) );
946 addressW = strdupAW( address );
947
948 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, addressW, strlenW(addressW) + 1 );
949
950 TRACE("connecting to %s:%u\n", address, port);
951
952 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
953
954 if (!netconn_create( &request->netconn, connect->sockaddr.ss_family, SOCK_STREAM, 0 ))
955 {
956 heap_free( addressW );
957 return FALSE;
958 }
959 netconn_set_timeout( &request->netconn, TRUE, request->send_timeout );
960 netconn_set_timeout( &request->netconn, FALSE, request->recv_timeout );
961 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, slen, request->connect_timeout ))
962 {
963 netconn_close( &request->netconn );
964 heap_free( addressW );
965 return FALSE;
966 }
967 if (request->hdr.flags & WINHTTP_FLAG_SECURE)
968 {
969 if (connect->session->proxy_server &&
970 strcmpiW( connect->hostname, connect->servername ))
971 {
972 if (!secure_proxy_connect( request ))
973 {
974 heap_free( addressW );
975 return FALSE;
976 }
977 }
978 if (!netconn_secure_connect( &request->netconn, connect->servername ))
979 {
980 netconn_close( &request->netconn );
981 heap_free( addressW );
982 return FALSE;
983 }
984 }
985
986 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, strlenW(addressW) + 1 );
987
988 heap_free( addressW );
989 return TRUE;
990 }
991
992 void close_connection( request_t *request )
993 {
994 if (!netconn_connected( &request->netconn )) return;
995
996 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
997 netconn_close( &request->netconn );
998 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
999 }
1000
1001 static BOOL add_host_header( request_t *request, DWORD modifier )
1002 {
1003 BOOL ret;
1004 DWORD len;
1005 WCHAR *host;
1006 static const WCHAR fmt[] = {'%','s',':','%','u',0};
1007 connect_t *connect = request->connect;
1008 INTERNET_PORT port;
1009
1010 port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
1011
1012 if (port == INTERNET_DEFAULT_HTTP_PORT || port == INTERNET_DEFAULT_HTTPS_PORT)
1013 {
1014 return process_header( request, attr_host, connect->hostname, modifier, TRUE );
1015 }
1016 len = strlenW( connect->hostname ) + 7; /* sizeof(":65335") */
1017 if (!(host = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1018 sprintfW( host, fmt, connect->hostname, port );
1019 ret = process_header( request, attr_host, host, modifier, TRUE );
1020 heap_free( host );
1021 return ret;
1022 }
1023
1024 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
1025 DWORD optional_len, DWORD total_len, DWORD_PTR context, BOOL async )
1026 {
1027 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
1028 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
1029 static const WCHAR length_fmt[] = {'%','l','d',0};
1030
1031 BOOL ret = FALSE;
1032 connect_t *connect = request->connect;
1033 session_t *session = connect->session;
1034 WCHAR *req = NULL;
1035 char *req_ascii;
1036 int bytes_sent;
1037 DWORD len;
1038
1039 if (session->agent)
1040 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1041
1042 if (connect->hostname)
1043 add_host_header( request, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW );
1044
1045 if (total_len || (request->verb && !strcmpW( request->verb, postW )))
1046 {
1047 WCHAR length[21]; /* decimal long int + null */
1048 sprintfW( length, length_fmt, total_len );
1049 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1050 }
1051 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE))
1052 {
1053 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1054 }
1055 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
1056 {
1057 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1058 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1059 }
1060 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
1061 {
1062 TRACE("failed to add request headers\n");
1063 return FALSE;
1064 }
1065 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES) && !add_cookie_headers( request ))
1066 {
1067 WARN("failed to add cookie headers\n");
1068 return FALSE;
1069 }
1070
1071 if (!(ret = open_connection( request ))) goto end;
1072 if (!(req = build_request_string( request ))) goto end;
1073
1074 if (!(req_ascii = strdupWA( req ))) goto end;
1075 TRACE("full request: %s\n", debugstr_a(req_ascii));
1076 len = strlen(req_ascii);
1077
1078 if (context) request->hdr.context = context;
1079 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
1080
1081 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
1082 heap_free( req_ascii );
1083 if (!ret) goto end;
1084
1085 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
1086 len += optional_len;
1087
1088 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
1089
1090 end:
1091 if (async)
1092 {
1093 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, NULL, 0 );
1094 else
1095 {
1096 WINHTTP_ASYNC_RESULT result;
1097 result.dwResult = API_SEND_REQUEST;
1098 result.dwError = get_last_error();
1099 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1100 }
1101 }
1102 heap_free( req );
1103 return ret;
1104 }
1105
1106 static void task_send_request( task_header_t *task )
1107 {
1108 send_request_t *s = (send_request_t *)task;
1109 send_request( s->hdr.request, s->headers, s->headers_len, s->optional, s->optional_len, s->total_len, s->context, TRUE );
1110 heap_free( s->headers );
1111 }
1112
1113 /***********************************************************************
1114 * WinHttpSendRequest (winhttp.@)
1115 */
1116 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
1117 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
1118 {
1119 BOOL ret;
1120 request_t *request;
1121
1122 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
1123 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
1124
1125 if (!(request = (request_t *)grab_object( hrequest )))
1126 {
1127 set_last_error( ERROR_INVALID_HANDLE );
1128 return FALSE;
1129 }
1130 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1131 {
1132 release_object( &request->hdr );
1133 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1134 return FALSE;
1135 }
1136
1137 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1138 {
1139 send_request_t *s;
1140
1141 if (!(s = heap_alloc( sizeof(send_request_t) ))) return FALSE;
1142 s->hdr.request = request;
1143 s->hdr.proc = task_send_request;
1144 s->headers = strdupW( headers );
1145 s->headers_len = headers_len;
1146 s->optional = optional;
1147 s->optional_len = optional_len;
1148 s->total_len = total_len;
1149 s->context = context;
1150
1151 addref_object( &request->hdr );
1152 ret = queue_task( (task_header_t *)s );
1153 }
1154 else
1155 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context, FALSE );
1156
1157 release_object( &request->hdr );
1158 return ret;
1159 }
1160
1161 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1162
1163 static DWORD auth_scheme_from_header( WCHAR *header )
1164 {
1165 static const WCHAR basic[] = {'B','a','s','i','c'};
1166 static const WCHAR ntlm[] = {'N','T','L','M'};
1167 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1168 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1169 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1170
1171 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1172 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1173
1174 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1175 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1176
1177 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1178 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1179
1180 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1181 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1182
1183 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1184 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1185
1186 return 0;
1187 }
1188
1189 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1190 {
1191 DWORD index = 0;
1192 BOOL ret = FALSE;
1193
1194 for (;;)
1195 {
1196 WCHAR *buffer;
1197 DWORD size, scheme;
1198
1199 size = 0;
1200 query_headers( request, level, NULL, NULL, &size, &index );
1201 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1202
1203 index--;
1204 if (!(buffer = heap_alloc( size ))) return FALSE;
1205 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1206 {
1207 heap_free( buffer );
1208 return FALSE;
1209 }
1210 scheme = auth_scheme_from_header( buffer );
1211 if (first && index == 1) *first = scheme;
1212 *supported |= scheme;
1213
1214 heap_free( buffer );
1215 ret = TRUE;
1216 }
1217 return ret;
1218 }
1219
1220 /***********************************************************************
1221 * WinHttpQueryAuthSchemes (winhttp.@)
1222 */
1223 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1224 {
1225 BOOL ret = FALSE;
1226 request_t *request;
1227
1228 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1229
1230 if (!(request = (request_t *)grab_object( hrequest )))
1231 {
1232 set_last_error( ERROR_INVALID_HANDLE );
1233 return FALSE;
1234 }
1235 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1236 {
1237 release_object( &request->hdr );
1238 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1239 return FALSE;
1240 }
1241
1242 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1243 {
1244 *target = WINHTTP_AUTH_TARGET_SERVER;
1245 ret = TRUE;
1246 }
1247 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1248 {
1249 *target = WINHTTP_AUTH_TARGET_PROXY;
1250 ret = TRUE;
1251 }
1252
1253 release_object( &request->hdr );
1254 return ret;
1255 }
1256
1257 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1258 {
1259 UINT n = 0, x;
1260 static const char base64enc[] =
1261 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1262
1263 while (len > 0)
1264 {
1265 /* first 6 bits, all from bin[0] */
1266 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1267 x = (bin[0] & 3) << 4;
1268
1269 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1270 if (len == 1)
1271 {
1272 base64[n++] = base64enc[x];
1273 base64[n++] = '=';
1274 base64[n++] = '=';
1275 break;
1276 }
1277 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1278 x = (bin[1] & 0x0f) << 2;
1279
1280 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1281 if (len == 2)
1282 {
1283 base64[n++] = base64enc[x];
1284 base64[n++] = '=';
1285 break;
1286 }
1287 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1288
1289 /* last 6 bits, all from bin [2] */
1290 base64[n++] = base64enc[bin[2] & 0x3f];
1291 bin += 3;
1292 len -= 3;
1293 }
1294 base64[n] = 0;
1295 return n;
1296 }
1297
1298 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1299 {
1300 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1301 const WCHAR *auth_scheme, *auth_target;
1302 WCHAR *auth_header;
1303 DWORD len, auth_data_len;
1304 char *auth_data;
1305 BOOL ret;
1306
1307 if (!username || !password)
1308 {
1309 set_last_error( ERROR_INVALID_PARAMETER );
1310 return FALSE;
1311 }
1312
1313 switch (target)
1314 {
1315 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1316 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1317 default:
1318 WARN("unknown target %x\n", target);
1319 return FALSE;
1320 }
1321 switch (scheme)
1322 {
1323 case WINHTTP_AUTH_SCHEME_BASIC:
1324 {
1325 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1326 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1327
1328 TRACE("basic authentication\n");
1329
1330 auth_scheme = basic;
1331 auth_data_len = userlen + 1 + passlen;
1332 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
1333
1334 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
1335 auth_data[userlen] = ':';
1336 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
1337 break;
1338 }
1339 case WINHTTP_AUTH_SCHEME_NTLM:
1340 case WINHTTP_AUTH_SCHEME_PASSPORT:
1341 case WINHTTP_AUTH_SCHEME_DIGEST:
1342 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
1343 FIXME("unimplemented authentication scheme %x\n", scheme);
1344 return FALSE;
1345 default:
1346 WARN("unknown authentication scheme %x\n", scheme);
1347 return FALSE;
1348 }
1349
1350 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
1351 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
1352 {
1353 heap_free( auth_data );
1354 return FALSE;
1355 }
1356 strcpyW( auth_header, auth_scheme );
1357 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
1358
1359 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
1360
1361 heap_free( auth_data );
1362 heap_free( auth_header );
1363 return ret;
1364 }
1365
1366 /***********************************************************************
1367 * WinHttpSetCredentials (winhttp.@)
1368 */
1369 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
1370 LPCWSTR password, LPVOID params )
1371 {
1372 BOOL ret;
1373 request_t *request;
1374
1375 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
1376
1377 if (!(request = (request_t *)grab_object( hrequest )))
1378 {
1379 set_last_error( ERROR_INVALID_HANDLE );
1380 return FALSE;
1381 }
1382 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1383 {
1384 release_object( &request->hdr );
1385 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1386 return FALSE;
1387 }
1388
1389 ret = set_credentials( request, target, scheme, username, password );
1390
1391 release_object( &request->hdr );
1392 return ret;
1393 }
1394
1395 static BOOL handle_authorization( request_t *request, DWORD status )
1396 {
1397 DWORD schemes, level, target;
1398 const WCHAR *username, *password;
1399
1400 switch (status)
1401 {
1402 case 401:
1403 target = WINHTTP_AUTH_TARGET_SERVER;
1404 level = WINHTTP_QUERY_WWW_AUTHENTICATE;
1405 break;
1406
1407 case 407:
1408 target = WINHTTP_AUTH_TARGET_PROXY;
1409 level = WINHTTP_QUERY_PROXY_AUTHENTICATE;
1410 break;
1411
1412 default:
1413 WARN("unhandled status %u\n", status);
1414 return FALSE;
1415 }
1416
1417 if (!query_auth_schemes( request, level, &schemes, NULL )) return FALSE;
1418
1419 if (target == WINHTTP_AUTH_TARGET_SERVER)
1420 {
1421 username = request->connect->username;
1422 password = request->connect->password;
1423 }
1424 else
1425 {
1426 username = request->connect->session->proxy_username;
1427 password = request->connect->session->proxy_password;
1428 }
1429
1430 if (schemes & WINHTTP_AUTH_SCHEME_BASIC)
1431 return set_credentials( request, target, WINHTTP_AUTH_SCHEME_BASIC, username, password );
1432
1433 FIXME("unsupported authentication scheme\n");
1434 return FALSE;
1435 }
1436
1437 static void clear_response_headers( request_t *request )
1438 {
1439 unsigned int i;
1440
1441 for (i = 0; i < request->num_headers; i++)
1442 {
1443 if (!request->headers[i].field) continue;
1444 if (!request->headers[i].value) continue;
1445 if (request->headers[i].is_request) continue;
1446 delete_header( request, i );
1447 i--;
1448 }
1449 }
1450
1451 #define MAX_REPLY_LEN 1460
1452 #define INITIAL_HEADER_BUFFER_LEN 512
1453
1454 static BOOL read_reply( request_t *request )
1455 {
1456 static const WCHAR crlf[] = {'\r','\n',0};
1457
1458 char buffer[MAX_REPLY_LEN];
1459 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
1460 char *status_code, *status_text;
1461 WCHAR *versionW, *status_textW, *raw_headers;
1462 WCHAR status_codeW[4]; /* sizeof("nnn") */
1463
1464 if (!netconn_connected( &request->netconn )) return FALSE;
1465
1466 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
1467
1468 received_len = 0;
1469 do
1470 {
1471 buflen = MAX_REPLY_LEN;
1472 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
1473 received_len += buflen;
1474
1475 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
1476 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
1477 status_code++;
1478 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
1479 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
1480 status_text++;
1481
1482 TRACE("version [%s] status code [%s] status text [%s]\n",
1483 debugstr_an(buffer, status_code - buffer - 1),
1484 debugstr_an(status_code, len),
1485 debugstr_a(status_text));
1486
1487 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
1488
1489 /* we rely on the fact that the protocol is ascii */
1490 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
1491 status_codeW[len] = 0;
1492 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
1493
1494 len = status_code - buffer;
1495 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1496 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
1497 versionW[len - 1] = 0;
1498
1499 heap_free( request->version );
1500 request->version = versionW;
1501
1502 len = buflen - (status_text - buffer);
1503 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1504 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
1505
1506 heap_free( request->status_text );
1507 request->status_text = status_textW;
1508
1509 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_LEN );
1510 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1511 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
1512 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
1513
1514 heap_free( request->raw_headers );
1515 request->raw_headers = raw_headers;
1516
1517 offset = buflen + crlf_len - 1;
1518 for (;;)
1519 {
1520 header_t *header;
1521
1522 buflen = MAX_REPLY_LEN;
1523 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
1524 received_len += buflen;
1525 if (!*buffer) break;
1526
1527 while (len - offset < buflen + crlf_len)
1528 {
1529 WCHAR *tmp;
1530 len *= 2;
1531 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
1532 request->raw_headers = raw_headers = tmp;
1533 }
1534 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
1535
1536 if (!(header = parse_header( raw_headers + offset ))) break;
1537 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
1538 {
1539 free_header( header );
1540 break;
1541 }
1542 free_header( header );
1543 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
1544 offset += buflen + crlf_len - 1;
1545 }
1546
1547 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
1548
1549 end:
1550 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
1551 return TRUE;
1552 }
1553
1554 static BOOL handle_redirect( request_t *request )
1555 {
1556 BOOL ret = FALSE;
1557 DWORD size, len;
1558 URL_COMPONENTS uc;
1559 connect_t *connect = request->connect;
1560 INTERNET_PORT port;
1561 WCHAR *hostname = NULL, *location = NULL;
1562 int index;
1563
1564 size = 0;
1565 query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL );
1566 if (!(location = heap_alloc( size ))) return FALSE;
1567 if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end;
1568
1569 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 );
1570
1571 memset( &uc, 0, sizeof(uc) );
1572 uc.dwStructSize = sizeof(uc);
1573 uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0u;
1574
1575 if (!WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc )) /* assume relative redirect */
1576 {
1577 WCHAR *path, *p;
1578
1579 len = strlenW( location ) + 1;
1580 if (location[0] != '/') len++;
1581 if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end;
1582
1583 if (location[0] != '/') *p++ = '/';
1584 strcpyW( p, location );
1585
1586 heap_free( request->path );
1587 request->path = path;
1588 }
1589 else
1590 {
1591 if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE)
1592 {
1593 TRACE("redirect from secure page to non-secure page\n");
1594 request->hdr.flags &= ~WINHTTP_FLAG_SECURE;
1595 }
1596 else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE))
1597 {
1598 TRACE("redirect from non-secure page to secure page\n");
1599 request->hdr.flags |= WINHTTP_FLAG_SECURE;
1600 }
1601
1602 len = uc.dwHostNameLength;
1603 if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1604 memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) );
1605 hostname[len] = 0;
1606
1607 port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80);
1608 if (strcmpiW( connect->hostname, hostname ) || connect->serverport != port)
1609 {
1610 heap_free( connect->hostname );
1611 connect->hostname = hostname;
1612 connect->hostport = port;
1613 if (!(ret = set_server_for_hostname( connect, hostname, port ))) goto end;
1614
1615 netconn_close( &request->netconn );
1616 if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end;
1617 }
1618 if (!(ret = add_host_header( request, WINHTTP_ADDREQ_FLAG_REPLACE ))) goto end;
1619 if (!(ret = open_connection( request ))) goto end;
1620
1621 heap_free( request->path );
1622 request->path = NULL;
1623 if (uc.dwUrlPathLength)
1624 {
1625 len = uc.dwUrlPathLength + uc.dwExtraInfoLength;
1626 if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1627 strcpyW( request->path, uc.lpszUrlPath );
1628 }
1629 else request->path = strdupW( slashW );
1630 }
1631
1632 /* remove content-type/length headers */
1633 if ((index = get_header_index( request, attr_content_type, 0, TRUE )) >= 0) delete_header( request, index );
1634 if ((index = get_header_index( request, attr_content_length, 0, TRUE )) >= 0 ) delete_header( request, index );
1635
1636 /* redirects are always GET requests */
1637 heap_free( request->verb );
1638 request->verb = strdupW( getW );
1639 ret = TRUE;
1640
1641 end:
1642 if (!ret) heap_free( hostname );
1643 heap_free( location );
1644 return ret;
1645 }
1646
1647 static BOOL receive_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1648 {
1649 DWORD to_read;
1650 int bytes_read;
1651
1652 to_read = min( size, request->content_length - request->content_read );
1653 if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1654 {
1655 if (bytes_read != to_read)
1656 {
1657 ERR("not all data received %d/%d\n", bytes_read, to_read);
1658 }
1659 /* always return success, even if the network layer returns an error */
1660 *read = 0;
1661 return TRUE;
1662 }
1663 request->content_read += bytes_read;
1664 *read = bytes_read;
1665 return TRUE;
1666 }
1667
1668 static DWORD get_chunk_size( const char *buffer )
1669 {
1670 const char *p;
1671 DWORD size = 0;
1672
1673 for (p = buffer; *p; p++)
1674 {
1675 if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0';
1676 else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10;
1677 else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10;
1678 else if (*p == ';') break;
1679 }
1680 return size;
1681 }
1682
1683 static BOOL receive_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1684 {
1685 char reply[MAX_REPLY_LEN], *p = buffer;
1686 DWORD buflen, to_read, to_write = size;
1687 int bytes_read;
1688
1689 *read = 0;
1690 for (;;)
1691 {
1692 if (*read == size) break;
1693
1694 if (request->content_length == ~0u) /* new chunk */
1695 {
1696 buflen = sizeof(reply);
1697 if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break;
1698
1699 if (!(request->content_length = get_chunk_size( reply )))
1700 {
1701 /* zero sized chunk marks end of transfer; read any trailing headers and return */
1702 read_reply( request );
1703 break;
1704 }
1705 }
1706 to_read = min( to_write, request->content_length - request->content_read );
1707
1708 if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1709 {
1710 if (bytes_read != to_read)
1711 {
1712 ERR("Not all data received %d/%d\n", bytes_read, to_read);
1713 }
1714 /* always return success, even if the network layer returns an error */
1715 *read = 0;
1716 break;
1717 }
1718 if (!bytes_read) break;
1719
1720 request->content_read += bytes_read;
1721 to_write -= bytes_read;
1722 *read += bytes_read;
1723 p += bytes_read;
1724
1725 if (request->content_read == request->content_length) /* chunk complete */
1726 {
1727 request->content_read = 0;
1728 request->content_length = ~0u;
1729
1730 buflen = sizeof(reply);
1731 if (!netconn_get_next_line( &request->netconn, reply, &buflen ))
1732 {
1733 ERR("Malformed chunk\n");
1734 *read = 0;
1735 break;
1736 }
1737 }
1738 }
1739 return TRUE;
1740 }
1741
1742 static void finished_reading( request_t *request )
1743 {
1744 static const WCHAR closeW[] = {'c','l','o','s','e',0};
1745
1746 BOOL close = FALSE;
1747 WCHAR connection[20];
1748 DWORD size = sizeof(connection);
1749
1750 if (request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE) close = TRUE;
1751 else if (query_headers( request, WINHTTP_QUERY_CONNECTION, NULL, connection, &size, NULL ) ||
1752 query_headers( request, WINHTTP_QUERY_PROXY_CONNECTION, NULL, connection, &size, NULL ))
1753 {
1754 if (!strcmpiW( connection, closeW )) close = TRUE;
1755 }
1756 else if (!strcmpW( request->version, http1_0 )) close = TRUE;
1757
1758 if (close) close_connection( request );
1759 request->content_length = ~0u;
1760 request->content_read = 0;
1761 }
1762
1763 static BOOL read_data( request_t *request, void *buffer, DWORD to_read, DWORD *read, BOOL async )
1764 {
1765 static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0};
1766
1767 BOOL ret;
1768 WCHAR encoding[20];
1769 DWORD num_bytes, buflen = sizeof(encoding);
1770
1771 if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) &&
1772 !strcmpiW( encoding, chunked ))
1773 {
1774 ret = receive_data_chunked( request, buffer, to_read, &num_bytes, async );
1775 }
1776 else
1777 ret = receive_data( request, buffer, to_read, &num_bytes, async );
1778
1779 if (async)
1780 {
1781 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_READ_COMPLETE, buffer, num_bytes );
1782 else
1783 {
1784 WINHTTP_ASYNC_RESULT result;
1785 result.dwResult = API_READ_DATA;
1786 result.dwError = get_last_error();
1787 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1788 }
1789 }
1790 if (ret)
1791 {
1792 if (read) *read = num_bytes;
1793 if (!num_bytes) finished_reading( request );
1794 }
1795 return ret;
1796 }
1797
1798 /* read any content returned by the server so that the connection can be reused */
1799 static void drain_content( request_t *request )
1800 {
1801 DWORD bytes_read;
1802 char buffer[2048];
1803
1804 if (!request->content_length) return;
1805 for (;;)
1806 {
1807 if (!read_data( request, buffer, sizeof(buffer), &bytes_read, FALSE ) || !bytes_read) return;
1808 }
1809 }
1810
1811 static void record_cookies( request_t *request )
1812 {
1813 unsigned int i;
1814
1815 for (i = 0; i < request->num_headers; i++)
1816 {
1817 header_t *set_cookie = &request->headers[i];
1818 if (!strcmpiW( set_cookie->field, attr_set_cookie ) && !set_cookie->is_request)
1819 {
1820 set_cookies( request, set_cookie->value );
1821 }
1822 }
1823 }
1824
1825 static BOOL receive_response( request_t *request, BOOL async )
1826 {
1827 BOOL ret;
1828 DWORD size, query, status;
1829
1830 for (;;)
1831 {
1832 if (!(ret = read_reply( request ))) break;
1833
1834 size = sizeof(DWORD);
1835 query = WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER;
1836 if (!(ret = query_headers( request, query, NULL, &status, &size, NULL ))) break;
1837
1838 size = sizeof(DWORD);
1839 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
1840 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
1841 request->content_length = ~0u;
1842
1843 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES)) record_cookies( request );
1844
1845 if (status == 301 || status == 302)
1846 {
1847 if (request->hdr.disable_flags & WINHTTP_DISABLE_REDIRECTS) break;
1848
1849 drain_content( request );
1850 if (!(ret = handle_redirect( request ))) break;
1851
1852 clear_response_headers( request );
1853 ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE ); /* recurse synchronously */
1854 continue;
1855 }
1856 else if (status == 401 || status == 407)
1857 {
1858 if (request->hdr.disable_flags & WINHTTP_DISABLE_AUTHENTICATION) break;
1859
1860 drain_content( request );
1861 if (!handle_authorization( request, status ))
1862 {
1863 ret = TRUE;
1864 break;
1865 }
1866 clear_response_headers( request );
1867 ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE );
1868 continue;
1869 }
1870 break;
1871 }
1872
1873 if (async)
1874 {
1875 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE, NULL, 0 );
1876 else
1877 {
1878 WINHTTP_ASYNC_RESULT result;
1879 result.dwResult = API_RECEIVE_RESPONSE;
1880 result.dwError = get_last_error();
1881 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1882 }
1883 }
1884 return ret;
1885 }
1886
1887 static void task_receive_response( task_header_t *task )
1888 {
1889 receive_response_t *r = (receive_response_t *)task;
1890 receive_response( r->hdr.request, TRUE );
1891 }
1892
1893 /***********************************************************************
1894 * WinHttpReceiveResponse (winhttp.@)
1895 */
1896 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
1897 {
1898 BOOL ret;
1899 request_t *request;
1900
1901 TRACE("%p, %p\n", hrequest, reserved);
1902
1903 if (!(request = (request_t *)grab_object( hrequest )))
1904 {
1905 set_last_error( ERROR_INVALID_HANDLE );
1906 return FALSE;
1907 }
1908 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1909 {
1910 release_object( &request->hdr );
1911 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1912 return FALSE;
1913 }
1914
1915 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1916 {
1917 receive_response_t *r;
1918
1919 if (!(r = heap_alloc( sizeof(receive_response_t) ))) return FALSE;
1920 r->hdr.request = request;
1921 r->hdr.proc = task_receive_response;
1922
1923 addref_object( &request->hdr );
1924 ret = queue_task( (task_header_t *)r );
1925 }
1926 else
1927 ret = receive_response( request, FALSE );
1928
1929 release_object( &request->hdr );
1930 return ret;
1931 }
1932
1933 static BOOL query_data( request_t *request, LPDWORD available, BOOL async )
1934 {
1935 BOOL ret;
1936 DWORD num_bytes;
1937
1938 if ((ret = netconn_query_data_available( &request->netconn, &num_bytes )))
1939 {
1940 if (request->content_read < request->content_length)
1941 {
1942 if (!num_bytes)
1943 {
1944 char buffer[4096];
1945 size_t to_read = min( sizeof(buffer), request->content_length - request->content_read );
1946
1947 ret = netconn_recv( &request->netconn, buffer, to_read, MSG_PEEK, (int *)&num_bytes );
1948 if (ret && !num_bytes) WARN("expected more data to be available\n");
1949 }
1950 }
1951 else if (num_bytes)
1952 {
1953 WARN("extra data available %u\n", num_bytes);
1954 ret = FALSE;
1955 }
1956 }
1957 TRACE("%u bytes available\n", num_bytes);
1958
1959 if (async)
1960 {
1961 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE, &num_bytes, sizeof(DWORD) );
1962 else
1963 {
1964 WINHTTP_ASYNC_RESULT result;
1965 result.dwResult = API_QUERY_DATA_AVAILABLE;
1966 result.dwError = get_last_error();
1967 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1968 }
1969 }
1970 if (ret && available) *available = num_bytes;
1971 return ret;
1972 }
1973
1974 static void task_query_data( task_header_t *task )
1975 {
1976 query_data_t *q = (query_data_t *)task;
1977 query_data( q->hdr.request, q->available, TRUE );
1978 }
1979
1980 /***********************************************************************
1981 * WinHttpQueryDataAvailable (winhttp.@)
1982 */
1983 BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
1984 {
1985 BOOL ret;
1986 request_t *request;
1987
1988 TRACE("%p, %p\n", hrequest, available);
1989
1990 if (!(request = (request_t *)grab_object( hrequest )))
1991 {
1992 set_last_error( ERROR_INVALID_HANDLE );
1993 return FALSE;
1994 }
1995 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1996 {
1997 release_object( &request->hdr );
1998 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1999 return FALSE;
2000 }
2001
2002 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
2003 {
2004 query_data_t *q;
2005
2006 if (!(q = heap_alloc( sizeof(query_data_t) ))) return FALSE;
2007 q->hdr.request = request;
2008 q->hdr.proc = task_query_data;
2009 q->available = available;
2010
2011 addref_object( &request->hdr );
2012 ret = queue_task( (task_header_t *)q );
2013 }
2014 else
2015 ret = query_data( request, available, FALSE );
2016
2017 release_object( &request->hdr );
2018 return ret;
2019 }
2020
2021 static void task_read_data( task_header_t *task )
2022 {
2023 read_data_t *r = (read_data_t *)task;
2024 read_data( r->hdr.request, r->buffer, r->to_read, r->read, TRUE );
2025 }
2026
2027 /***********************************************************************
2028 * WinHttpReadData (winhttp.@)
2029 */
2030 BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read )
2031 {
2032 BOOL ret;
2033 request_t *request;
2034
2035 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read);
2036
2037 if (!(request = (request_t *)grab_object( hrequest )))
2038 {
2039 set_last_error( ERROR_INVALID_HANDLE );
2040 return FALSE;
2041 }
2042 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
2043 {
2044 release_object( &request->hdr );
2045 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
2046 return FALSE;
2047 }
2048
2049 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
2050 {
2051 read_data_t *r;
2052
2053 if (!(r = heap_alloc( sizeof(read_data_t) ))) return FALSE;
2054 r->hdr.request = request;
2055 r->hdr.proc = task_read_data;
2056 r->buffer = buffer;
2057 r->to_read = to_read;
2058 r->read = read;
2059
2060 addref_object( &request->hdr );
2061 ret = queue_task( (task_header_t *)r );
2062 }
2063 else
2064 ret = read_data( request, buffer, to_read, read, FALSE );
2065
2066 release_object( &request->hdr );
2067 return ret;
2068 }
2069
2070 static BOOL write_data( request_t *request, LPCVOID buffer, DWORD to_write, LPDWORD written, BOOL async )
2071 {
2072 BOOL ret;
2073 int num_bytes;
2074
2075 ret = netconn_send( &request->netconn, buffer, to_write, 0, &num_bytes );
2076
2077 if (async)
2078 {
2079 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE, &num_bytes, sizeof(DWORD) );
2080 else
2081 {
2082 WINHTTP_ASYNC_RESULT result;
2083 result.dwResult = API_WRITE_DATA;
2084 result.dwError = get_last_error();
2085 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
2086 }
2087 }
2088 if (ret && written) *written = num_bytes;
2089 return ret;
2090 }
2091
2092 static void task_write_data( task_header_t *task )
2093 {
2094 write_data_t *w = (write_data_t *)task;
2095 write_data( w->hdr.request, w->buffer, w->to_write, w->written, TRUE );
2096 }
2097
2098 /***********************************************************************
2099 * WinHttpWriteData (winhttp.@)
2100 */
2101 BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written )
2102 {
2103 BOOL ret;
2104 request_t *request;
2105
2106 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written);
2107
2108 if (!(request = (request_t *)grab_object( hrequest )))
2109 {
2110 set_last_error( ERROR_INVALID_HANDLE );
2111 return FALSE;
2112 }
2113 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
2114 {
2115 release_object( &request->hdr );
2116 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
2117 return FALSE;
2118 }
2119
2120 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
2121 {
2122 write_data_t *w;
2123
2124 if (!(w = heap_alloc( sizeof(write_data_t) ))) return FALSE;
2125 w->hdr.request = request;
2126 w->hdr.proc = task_write_data;
2127 w->buffer = buffer;
2128 w->to_write = to_write;
2129 w->written = written;
2130
2131 addref_object( &request->hdr );
2132 ret = queue_task( (task_header_t *)w );
2133 }
2134 else
2135 ret = write_data( request, buffer, to_write, written, FALSE );
2136
2137 release_object( &request->hdr );
2138 return ret;
2139 }
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