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explorer: add a navbar to explorer
[wine/gsoc_explorer.git] / dlls / winhttp / request.c
blobc8eca75d9c83df38c583f4c2122187d2ccd95edd
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[] = { ':','%','u',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 (!buffer || (len + 1) * sizeof(WCHAR) > *buflen)
606 {
607 len++;
608 set_last_error( ERROR_INSUFFICIENT_BUFFER );
609 }
610 else
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 (!buffer || len + sizeof(WCHAR) > *buflen)
641 {
642 len += sizeof(WCHAR);
643 set_last_error( ERROR_INSUFFICIENT_BUFFER );
644 }
645 else
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 len = strlenW( request->version ) * sizeof(WCHAR);
657 if (!buffer || len + sizeof(WCHAR) > *buflen)
658 {
659 len += sizeof(WCHAR);
660 set_last_error( ERROR_INSUFFICIENT_BUFFER );
661 }
662 else
663 {
664 strcpyW( buffer, request->version );
665 TRACE("returning string: %s\n", debugstr_w(buffer));
666 ret = TRUE;
667 }
668 *buflen = len;
669 return ret;
670
671 case WINHTTP_QUERY_STATUS_TEXT:
672 len = strlenW( request->status_text ) * sizeof(WCHAR);
673 if (!buffer || len + sizeof(WCHAR) > *buflen)
674 {
675 len += sizeof(WCHAR);
676 set_last_error( ERROR_INSUFFICIENT_BUFFER );
677 }
678 else
679 {
680 strcpyW( buffer, request->status_text );
681 TRACE("returning string: %s\n", debugstr_w(buffer));
682 ret = TRUE;
683 }
684 *buflen = len;
685 return ret;
686
687 default:
688 if (attr >= sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
689 {
690 FIXME("attribute %u not implemented\n", attr);
691 return FALSE;
692 }
693 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
694 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
695 break;
696 }
697
698 if (header_index >= 0)
699 {
700 header = &request->headers[header_index];
701 }
702 if (!header || (request_only && !header->is_request))
703 {
704 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
705 return FALSE;
706 }
707 if (index) *index += 1;
708 if (level & WINHTTP_QUERY_FLAG_NUMBER)
709 {
710 if (!buffer || sizeof(int) > *buflen)
711 {
712 set_last_error( ERROR_INSUFFICIENT_BUFFER );
713 }
714 else
715 {
716 int *number = buffer;
717 *number = atoiW( header->value );
718 TRACE("returning number: %d\n", *number);
719 ret = TRUE;
720 }
721 *buflen = sizeof(int);
722 }
723 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
724 {
725 SYSTEMTIME *st = buffer;
726 if (!buffer || sizeof(SYSTEMTIME) > *buflen)
727 {
728 set_last_error( ERROR_INSUFFICIENT_BUFFER );
729 }
730 else if ((ret = WinHttpTimeToSystemTime( header->value, st )))
731 {
732 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
733 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
734 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
735 }
736 *buflen = sizeof(SYSTEMTIME);
737 }
738 else if (header->value)
739 {
740 len = strlenW( header->value ) * sizeof(WCHAR);
741 if (!buffer || len + sizeof(WCHAR) > *buflen)
742 {
743 len += sizeof(WCHAR);
744 set_last_error( ERROR_INSUFFICIENT_BUFFER );
745 }
746 else
747 {
748 strcpyW( buffer, header->value );
749 TRACE("returning string: %s\n", debugstr_w(buffer));
750 ret = TRUE;
751 }
752 *buflen = len;
753 }
754 return ret;
755 }
756
757 /***********************************************************************
758 * WinHttpQueryHeaders (winhttp.@)
759 */
760 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
761 {
762 BOOL ret;
763 request_t *request;
764
765 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
766
767 if (!(request = (request_t *)grab_object( hrequest )))
768 {
769 set_last_error( ERROR_INVALID_HANDLE );
770 return FALSE;
771 }
772 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
773 {
774 release_object( &request->hdr );
775 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
776 return FALSE;
777 }
778
779 ret = query_headers( request, level, name, buffer, buflen, index );
780
781 release_object( &request->hdr );
782 return ret;
783 }
784
785 static LPWSTR concatenate_string_list( LPCWSTR *list, int len )
786 {
787 LPCWSTR *t;
788 LPWSTR str;
789
790 for( t = list; *t ; t++ )
791 len += strlenW( *t );
792 len++;
793
794 str = heap_alloc( len * sizeof(WCHAR) );
795 if (!str) return NULL;
796 *str = 0;
797
798 for( t = list; *t ; t++ )
799 strcatW( str, *t );
800
801 return str;
802 }
803
804 static LPWSTR build_header_request_string( request_t *request, LPCWSTR verb,
805 LPCWSTR path, LPCWSTR version )
806 {
807 static const WCHAR crlf[] = {'\r','\n',0};
808 static const WCHAR space[] = { ' ',0 };
809 static const WCHAR colon[] = { ':',' ',0 };
810 static const WCHAR twocrlf[] = {'\r','\n','\r','\n', 0};
811 LPWSTR requestString;
812 DWORD len, n;
813 LPCWSTR *req;
814 UINT i;
815 LPWSTR p;
816
817 /* allocate space for an array of all the string pointers to be added */
818 len = (request->num_headers) * 4 + 10;
819 req = heap_alloc( len * sizeof(LPCWSTR) );
820 if (!req) return NULL;
821
822 /* add the verb, path and HTTP version string */
823 n = 0;
824 req[n++] = verb;
825 req[n++] = space;
826 req[n++] = path;
827 req[n++] = space;
828 req[n++] = version;
829
830 /* Append custom request headers */
831 for (i = 0; i < request->num_headers; i++)
832 {
833 if (request->headers[i].is_request)
834 {
835 req[n++] = crlf;
836 req[n++] = request->headers[i].field;
837 req[n++] = colon;
838 req[n++] = request->headers[i].value;
839
840 TRACE("Adding custom header %s (%s)\n",
841 debugstr_w(request->headers[i].field),
842 debugstr_w(request->headers[i].value));
843 }
844 }
845
846 if( n >= len )
847 ERR("oops. buffer overrun\n");
848
849 req[n] = NULL;
850 requestString = concatenate_string_list( req, 4 );
851 heap_free( req );
852 if (!requestString) return NULL;
853
854 /*
855 * Set (header) termination string for request
856 * Make sure there's exactly two new lines at the end of the request
857 */
858 p = &requestString[strlenW(requestString)-1];
859 while ( (*p == '\n') || (*p == '\r') )
860 p--;
861 strcpyW( p+1, twocrlf );
862
863 return requestString;
864 }
865
866 static BOOL read_reply( request_t *request );
867
868 static BOOL secure_proxy_connect( request_t *request )
869 {
870 static const WCHAR verbConnect[] = {'C','O','N','N','E','C','T',0};
871 static const WCHAR fmt[] = {'%','s',':','%','u',0};
872 BOOL ret = FALSE;
873 LPWSTR path;
874 connect_t *connect = request->connect;
875
876 path = heap_alloc( (strlenW( connect->hostname ) + 13) * sizeof(WCHAR) );
877 if (path)
878 {
879 LPWSTR requestString;
880
881 sprintfW( path, fmt, connect->hostname, connect->hostport );
882 requestString = build_header_request_string( request, verbConnect,
883 path, http1_1 );
884 heap_free( path );
885 if (requestString)
886 {
887 LPSTR req_ascii = strdupWA( requestString );
888
889 heap_free( requestString );
890 if (req_ascii)
891 {
892 int len = strlen( req_ascii ), bytes_sent;
893
894 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
895 heap_free( req_ascii );
896 if (ret)
897 ret = read_reply( request );
898 }
899 }
900 }
901 return ret;
902 }
903
904 #ifndef INET6_ADDRSTRLEN
905 #define INET6_ADDRSTRLEN 46
906 #endif
907
908 static BOOL open_connection( request_t *request )
909 {
910 connect_t *connect;
911 const void *addr;
912 char address[INET6_ADDRSTRLEN];
913 WCHAR *addressW;
914 INTERNET_PORT port;
915 socklen_t slen;
916
917 if (netconn_connected( &request->netconn )) return TRUE;
918
919 connect = request->connect;
920 port = connect->serverport ? connect->serverport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
921
922 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, connect->servername, strlenW(connect->servername) + 1 );
923
924 slen = sizeof(connect->sockaddr);
925 if (!netconn_resolve( connect->servername, port, (struct sockaddr *)&connect->sockaddr, &slen, request->resolve_timeout )) return FALSE;
926 switch (connect->sockaddr.ss_family)
927 {
928 case AF_INET:
929 addr = &((struct sockaddr_in *)&connect->sockaddr)->sin_addr;
930 break;
931 case AF_INET6:
932 addr = &((struct sockaddr_in6 *)&connect->sockaddr)->sin6_addr;
933 break;
934 default:
935 WARN("unsupported address family %d\n", connect->sockaddr.ss_family);
936 return FALSE;
937 }
938 inet_ntop( connect->sockaddr.ss_family, addr, address, sizeof(address) );
939 addressW = strdupAW( address );
940
941 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, addressW, strlenW(addressW) + 1 );
942
943 TRACE("connecting to %s:%u\n", address, port);
944
945 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
946
947 if (!netconn_create( &request->netconn, connect->sockaddr.ss_family, SOCK_STREAM, 0 ))
948 {
949 heap_free( addressW );
950 return FALSE;
951 }
952 netconn_set_timeout( &request->netconn, TRUE, request->send_timeout );
953 netconn_set_timeout( &request->netconn, FALSE, request->recv_timeout );
954 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, slen, request->connect_timeout ))
955 {
956 netconn_close( &request->netconn );
957 heap_free( addressW );
958 return FALSE;
959 }
960 if (request->hdr.flags & WINHTTP_FLAG_SECURE)
961 {
962 if (connect->session->proxy_server &&
963 strcmpiW( connect->hostname, connect->servername ))
964 {
965 if (!secure_proxy_connect( request ))
966 {
967 heap_free( addressW );
968 return FALSE;
969 }
970 }
971 if (!netconn_secure_connect( &request->netconn, connect->servername ))
972 {
973 netconn_close( &request->netconn );
974 heap_free( addressW );
975 return FALSE;
976 }
977 }
978
979 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, strlenW(addressW) + 1 );
980
981 heap_free( addressW );
982 return TRUE;
983 }
984
985 void close_connection( request_t *request )
986 {
987 if (!netconn_connected( &request->netconn )) return;
988
989 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
990 netconn_close( &request->netconn );
991 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
992 }
993
994 static BOOL add_host_header( request_t *request, DWORD modifier )
995 {
996 BOOL ret;
997 DWORD len;
998 WCHAR *host;
999 static const WCHAR fmt[] = {'%','s',':','%','u',0};
1000 connect_t *connect = request->connect;
1001 INTERNET_PORT port;
1002
1003 port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
1004
1005 if (port == INTERNET_DEFAULT_HTTP_PORT || port == INTERNET_DEFAULT_HTTPS_PORT)
1006 {
1007 return process_header( request, attr_host, connect->hostname, modifier, TRUE );
1008 }
1009 len = strlenW( connect->hostname ) + 7; /* sizeof(":65335") */
1010 if (!(host = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1011 sprintfW( host, fmt, connect->hostname, port );
1012 ret = process_header( request, attr_host, host, modifier, TRUE );
1013 heap_free( host );
1014 return ret;
1015 }
1016
1017 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
1018 DWORD optional_len, DWORD total_len, DWORD_PTR context, BOOL async )
1019 {
1020 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
1021 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
1022 static const WCHAR length_fmt[] = {'%','l','d',0};
1023
1024 BOOL ret = FALSE;
1025 connect_t *connect = request->connect;
1026 session_t *session = connect->session;
1027 WCHAR *req = NULL;
1028 char *req_ascii;
1029 int bytes_sent;
1030 DWORD len;
1031
1032 if (session->agent)
1033 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1034
1035 if (connect->hostname)
1036 add_host_header( request, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW );
1037
1038 if (total_len || (request->verb && !strcmpW( request->verb, postW )))
1039 {
1040 WCHAR length[21]; /* decimal long int + null */
1041 sprintfW( length, length_fmt, total_len );
1042 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1043 }
1044 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE))
1045 {
1046 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1047 }
1048 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
1049 {
1050 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1051 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1052 }
1053 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
1054 {
1055 TRACE("failed to add request headers\n");
1056 return FALSE;
1057 }
1058 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES) && !add_cookie_headers( request ))
1059 {
1060 WARN("failed to add cookie headers\n");
1061 return FALSE;
1062 }
1063
1064 if (!(ret = open_connection( request ))) goto end;
1065 if (!(req = build_request_string( request ))) goto end;
1066
1067 if (!(req_ascii = strdupWA( req ))) goto end;
1068 TRACE("full request: %s\n", debugstr_a(req_ascii));
1069 len = strlen(req_ascii);
1070
1071 if (context) request->hdr.context = context;
1072 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
1073
1074 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
1075 heap_free( req_ascii );
1076 if (!ret) goto end;
1077
1078 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
1079 len += optional_len;
1080
1081 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
1082
1083 end:
1084 if (async)
1085 {
1086 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, NULL, 0 );
1087 else
1088 {
1089 WINHTTP_ASYNC_RESULT result;
1090 result.dwResult = API_SEND_REQUEST;
1091 result.dwError = get_last_error();
1092 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1093 }
1094 }
1095 heap_free( req );
1096 return ret;
1097 }
1098
1099 static void task_send_request( task_header_t *task )
1100 {
1101 send_request_t *s = (send_request_t *)task;
1102 send_request( s->hdr.request, s->headers, s->headers_len, s->optional, s->optional_len, s->total_len, s->context, TRUE );
1103 heap_free( s->headers );
1104 }
1105
1106 /***********************************************************************
1107 * WinHttpSendRequest (winhttp.@)
1108 */
1109 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
1110 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
1111 {
1112 BOOL ret;
1113 request_t *request;
1114
1115 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
1116 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
1117
1118 if (!(request = (request_t *)grab_object( hrequest )))
1119 {
1120 set_last_error( ERROR_INVALID_HANDLE );
1121 return FALSE;
1122 }
1123 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1124 {
1125 release_object( &request->hdr );
1126 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1127 return FALSE;
1128 }
1129
1130 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1131 {
1132 send_request_t *s;
1133
1134 if (!(s = heap_alloc( sizeof(send_request_t) ))) return FALSE;
1135 s->hdr.request = request;
1136 s->hdr.proc = task_send_request;
1137 s->headers = strdupW( headers );
1138 s->headers_len = headers_len;
1139 s->optional = optional;
1140 s->optional_len = optional_len;
1141 s->total_len = total_len;
1142 s->context = context;
1143
1144 addref_object( &request->hdr );
1145 ret = queue_task( (task_header_t *)s );
1146 }
1147 else
1148 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context, FALSE );
1149
1150 release_object( &request->hdr );
1151 return ret;
1152 }
1153
1154 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1155
1156 static DWORD auth_scheme_from_header( WCHAR *header )
1157 {
1158 static const WCHAR basic[] = {'B','a','s','i','c'};
1159 static const WCHAR ntlm[] = {'N','T','L','M'};
1160 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1161 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1162 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1163
1164 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1165 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1166
1167 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1168 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1169
1170 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1171 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1172
1173 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1174 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1175
1176 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1177 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1178
1179 return 0;
1180 }
1181
1182 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1183 {
1184 DWORD index = 0;
1185 BOOL ret = FALSE;
1186
1187 for (;;)
1188 {
1189 WCHAR *buffer;
1190 DWORD size, scheme;
1191
1192 size = 0;
1193 query_headers( request, level, NULL, NULL, &size, &index );
1194 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1195
1196 index--;
1197 if (!(buffer = heap_alloc( size ))) return FALSE;
1198 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1199 {
1200 heap_free( buffer );
1201 return FALSE;
1202 }
1203 scheme = auth_scheme_from_header( buffer );
1204 if (first && index == 1) *first = scheme;
1205 *supported |= scheme;
1206
1207 heap_free( buffer );
1208 ret = TRUE;
1209 }
1210 return ret;
1211 }
1212
1213 /***********************************************************************
1214 * WinHttpQueryAuthSchemes (winhttp.@)
1215 */
1216 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1217 {
1218 BOOL ret = FALSE;
1219 request_t *request;
1220
1221 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1222
1223 if (!(request = (request_t *)grab_object( hrequest )))
1224 {
1225 set_last_error( ERROR_INVALID_HANDLE );
1226 return FALSE;
1227 }
1228 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1229 {
1230 release_object( &request->hdr );
1231 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1232 return FALSE;
1233 }
1234
1235 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1236 {
1237 *target = WINHTTP_AUTH_TARGET_SERVER;
1238 ret = TRUE;
1239 }
1240 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1241 {
1242 *target = WINHTTP_AUTH_TARGET_PROXY;
1243 ret = TRUE;
1244 }
1245
1246 release_object( &request->hdr );
1247 return ret;
1248 }
1249
1250 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1251 {
1252 UINT n = 0, x;
1253 static const char base64enc[] =
1254 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1255
1256 while (len > 0)
1257 {
1258 /* first 6 bits, all from bin[0] */
1259 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1260 x = (bin[0] & 3) << 4;
1261
1262 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1263 if (len == 1)
1264 {
1265 base64[n++] = base64enc[x];
1266 base64[n++] = '=';
1267 base64[n++] = '=';
1268 break;
1269 }
1270 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1271 x = (bin[1] & 0x0f) << 2;
1272
1273 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1274 if (len == 2)
1275 {
1276 base64[n++] = base64enc[x];
1277 base64[n++] = '=';
1278 break;
1279 }
1280 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1281
1282 /* last 6 bits, all from bin [2] */
1283 base64[n++] = base64enc[bin[2] & 0x3f];
1284 bin += 3;
1285 len -= 3;
1286 }
1287 base64[n] = 0;
1288 return n;
1289 }
1290
1291 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1292 {
1293 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1294 const WCHAR *auth_scheme, *auth_target;
1295 WCHAR *auth_header;
1296 DWORD len, auth_data_len;
1297 char *auth_data;
1298 BOOL ret;
1299
1300 if (!username || !password)
1301 {
1302 set_last_error( ERROR_INVALID_PARAMETER );
1303 return FALSE;
1304 }
1305
1306 switch (target)
1307 {
1308 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1309 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1310 default:
1311 WARN("unknown target %x\n", target);
1312 return FALSE;
1313 }
1314 switch (scheme)
1315 {
1316 case WINHTTP_AUTH_SCHEME_BASIC:
1317 {
1318 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1319 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1320
1321 TRACE("basic authentication\n");
1322
1323 auth_scheme = basic;
1324 auth_data_len = userlen + 1 + passlen;
1325 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
1326
1327 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
1328 auth_data[userlen] = ':';
1329 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
1330 break;
1331 }
1332 case WINHTTP_AUTH_SCHEME_NTLM:
1333 case WINHTTP_AUTH_SCHEME_PASSPORT:
1334 case WINHTTP_AUTH_SCHEME_DIGEST:
1335 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
1336 FIXME("unimplemented authentication scheme %x\n", scheme);
1337 return FALSE;
1338 default:
1339 WARN("unknown authentication scheme %x\n", scheme);
1340 return FALSE;
1341 }
1342
1343 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
1344 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
1345 {
1346 heap_free( auth_data );
1347 return FALSE;
1348 }
1349 strcpyW( auth_header, auth_scheme );
1350 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
1351
1352 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
1353
1354 heap_free( auth_data );
1355 heap_free( auth_header );
1356 return ret;
1357 }
1358
1359 /***********************************************************************
1360 * WinHttpSetCredentials (winhttp.@)
1361 */
1362 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
1363 LPCWSTR password, LPVOID params )
1364 {
1365 BOOL ret;
1366 request_t *request;
1367
1368 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
1369
1370 if (!(request = (request_t *)grab_object( hrequest )))
1371 {
1372 set_last_error( ERROR_INVALID_HANDLE );
1373 return FALSE;
1374 }
1375 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1376 {
1377 release_object( &request->hdr );
1378 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1379 return FALSE;
1380 }
1381
1382 ret = set_credentials( request, target, scheme, username, password );
1383
1384 release_object( &request->hdr );
1385 return ret;
1386 }
1387
1388 static BOOL handle_authorization( request_t *request, DWORD status )
1389 {
1390 DWORD schemes, level, target;
1391 const WCHAR *username, *password;
1392
1393 switch (status)
1394 {
1395 case 401:
1396 target = WINHTTP_AUTH_TARGET_SERVER;
1397 level = WINHTTP_QUERY_WWW_AUTHENTICATE;
1398 break;
1399
1400 case 407:
1401 target = WINHTTP_AUTH_TARGET_PROXY;
1402 level = WINHTTP_QUERY_PROXY_AUTHENTICATE;
1403 break;
1404
1405 default:
1406 WARN("unhandled status %u\n", status);
1407 return FALSE;
1408 }
1409
1410 if (!query_auth_schemes( request, level, &schemes, NULL )) return FALSE;
1411
1412 if (target == WINHTTP_AUTH_TARGET_SERVER)
1413 {
1414 username = request->connect->username;
1415 password = request->connect->password;
1416 }
1417 else
1418 {
1419 username = request->connect->session->proxy_username;
1420 password = request->connect->session->proxy_password;
1421 }
1422
1423 if (schemes & WINHTTP_AUTH_SCHEME_BASIC)
1424 return set_credentials( request, target, WINHTTP_AUTH_SCHEME_BASIC, username, password );
1425
1426 FIXME("unsupported authentication scheme\n");
1427 return FALSE;
1428 }
1429
1430 static void clear_response_headers( request_t *request )
1431 {
1432 unsigned int i;
1433
1434 for (i = 0; i < request->num_headers; i++)
1435 {
1436 if (!request->headers[i].field) continue;
1437 if (!request->headers[i].value) continue;
1438 if (request->headers[i].is_request) continue;
1439 delete_header( request, i );
1440 i--;
1441 }
1442 }
1443
1444 #define MAX_REPLY_LEN 1460
1445 #define INITIAL_HEADER_BUFFER_LEN 512
1446
1447 static BOOL read_reply( request_t *request )
1448 {
1449 static const WCHAR crlf[] = {'\r','\n',0};
1450
1451 char buffer[MAX_REPLY_LEN];
1452 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
1453 char *status_code, *status_text;
1454 WCHAR *versionW, *status_textW, *raw_headers;
1455 WCHAR status_codeW[4]; /* sizeof("nnn") */
1456
1457 if (!netconn_connected( &request->netconn )) return FALSE;
1458
1459 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
1460
1461 received_len = 0;
1462 do
1463 {
1464 buflen = MAX_REPLY_LEN;
1465 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
1466 received_len += buflen;
1467
1468 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
1469 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
1470 status_code++;
1471 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
1472 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
1473 status_text++;
1474
1475 TRACE("version [%s] status code [%s] status text [%s]\n",
1476 debugstr_an(buffer, status_code - buffer - 1),
1477 debugstr_an(status_code, len),
1478 debugstr_a(status_text));
1479
1480 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
1481
1482 /* we rely on the fact that the protocol is ascii */
1483 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
1484 status_codeW[len] = 0;
1485 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
1486
1487 len = status_code - buffer;
1488 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1489 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
1490 versionW[len - 1] = 0;
1491
1492 heap_free( request->version );
1493 request->version = versionW;
1494
1495 len = buflen - (status_text - buffer);
1496 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1497 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
1498
1499 heap_free( request->status_text );
1500 request->status_text = status_textW;
1501
1502 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_LEN );
1503 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1504 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
1505 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
1506
1507 heap_free( request->raw_headers );
1508 request->raw_headers = raw_headers;
1509
1510 offset = buflen + crlf_len - 1;
1511 for (;;)
1512 {
1513 header_t *header;
1514
1515 buflen = MAX_REPLY_LEN;
1516 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
1517 received_len += buflen;
1518 if (!*buffer) break;
1519
1520 while (len - offset < buflen + crlf_len)
1521 {
1522 WCHAR *tmp;
1523 len *= 2;
1524 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
1525 request->raw_headers = raw_headers = tmp;
1526 }
1527 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
1528
1529 if (!(header = parse_header( raw_headers + offset ))) break;
1530 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
1531 {
1532 free_header( header );
1533 break;
1534 }
1535 free_header( header );
1536 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
1537 offset += buflen + crlf_len - 1;
1538 }
1539
1540 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
1541
1542 end:
1543 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
1544 return TRUE;
1545 }
1546
1547 static BOOL handle_redirect( request_t *request, DWORD status )
1548 {
1549 BOOL ret = FALSE;
1550 DWORD size, len;
1551 URL_COMPONENTS uc;
1552 connect_t *connect = request->connect;
1553 INTERNET_PORT port;
1554 WCHAR *hostname = NULL, *location = NULL;
1555 int index;
1556
1557 size = 0;
1558 query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL );
1559 if (!(location = heap_alloc( size ))) return FALSE;
1560 if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end;
1561
1562 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 );
1563
1564 memset( &uc, 0, sizeof(uc) );
1565 uc.dwStructSize = sizeof(uc);
1566 uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0u;
1567
1568 if (!WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc )) /* assume relative redirect */
1569 {
1570 WCHAR *path, *p;
1571
1572 len = strlenW( location ) + 1;
1573 if (location[0] != '/') len++;
1574 if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end;
1575
1576 if (location[0] != '/') *p++ = '/';
1577 strcpyW( p, location );
1578
1579 heap_free( request->path );
1580 request->path = path;
1581 }
1582 else
1583 {
1584 if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE)
1585 {
1586 TRACE("redirect from secure page to non-secure page\n");
1587 request->hdr.flags &= ~WINHTTP_FLAG_SECURE;
1588 }
1589 else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE))
1590 {
1591 TRACE("redirect from non-secure page to secure page\n");
1592 request->hdr.flags |= WINHTTP_FLAG_SECURE;
1593 }
1594
1595 len = uc.dwHostNameLength;
1596 if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1597 memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) );
1598 hostname[len] = 0;
1599
1600 port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80);
1601 if (strcmpiW( connect->hostname, hostname ) || connect->serverport != port)
1602 {
1603 heap_free( connect->hostname );
1604 connect->hostname = hostname;
1605 connect->hostport = port;
1606 if (!(ret = set_server_for_hostname( connect, hostname, port ))) goto end;
1607
1608 netconn_close( &request->netconn );
1609 if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end;
1610 }
1611 if (!(ret = add_host_header( request, WINHTTP_ADDREQ_FLAG_REPLACE ))) goto end;
1612 if (!(ret = open_connection( request ))) goto end;
1613
1614 heap_free( request->path );
1615 request->path = NULL;
1616 if (uc.dwUrlPathLength)
1617 {
1618 len = uc.dwUrlPathLength + uc.dwExtraInfoLength;
1619 if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1620 strcpyW( request->path, uc.lpszUrlPath );
1621 }
1622 else request->path = strdupW( slashW );
1623 }
1624
1625 /* remove content-type/length headers */
1626 if ((index = get_header_index( request, attr_content_type, 0, TRUE )) >= 0) delete_header( request, index );
1627 if ((index = get_header_index( request, attr_content_length, 0, TRUE )) >= 0 ) delete_header( request, index );
1628
1629 if (status != HTTP_STATUS_REDIRECT_KEEP_VERB)
1630 {
1631 heap_free( request->verb );
1632 request->verb = strdupW( getW );
1633 }
1634 ret = TRUE;
1635
1636 end:
1637 if (!ret) heap_free( hostname );
1638 heap_free( location );
1639 return ret;
1640 }
1641
1642 static BOOL receive_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1643 {
1644 DWORD to_read;
1645 int bytes_read;
1646
1647 to_read = min( size, request->content_length - request->content_read );
1648 if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1649 {
1650 if (bytes_read != to_read)
1651 {
1652 ERR("not all data received %d/%d\n", bytes_read, to_read);
1653 }
1654 /* always return success, even if the network layer returns an error */
1655 *read = 0;
1656 return TRUE;
1657 }
1658 request->content_read += bytes_read;
1659 *read = bytes_read;
1660 return TRUE;
1661 }
1662
1663 static DWORD get_chunk_size( const char *buffer )
1664 {
1665 const char *p;
1666 DWORD size = 0;
1667
1668 for (p = buffer; *p; p++)
1669 {
1670 if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0';
1671 else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10;
1672 else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10;
1673 else if (*p == ';') break;
1674 }
1675 return size;
1676 }
1677
1678 static BOOL receive_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1679 {
1680 char reply[MAX_REPLY_LEN], *p = buffer;
1681 DWORD buflen, to_read, to_write = size;
1682 int bytes_read;
1683
1684 *read = 0;
1685 for (;;)
1686 {
1687 if (*read == size) break;
1688
1689 if (request->content_length == ~0u) /* new chunk */
1690 {
1691 buflen = sizeof(reply);
1692 if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break;
1693
1694 if (!(request->content_length = get_chunk_size( reply )))
1695 {
1696 /* zero sized chunk marks end of transfer; read any trailing headers and return */
1697 read_reply( request );
1698 break;
1699 }
1700 }
1701 to_read = min( to_write, request->content_length - request->content_read );
1702
1703 if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1704 {
1705 if (bytes_read != to_read)
1706 {
1707 ERR("Not all data received %d/%d\n", bytes_read, to_read);
1708 }
1709 /* always return success, even if the network layer returns an error */
1710 *read = 0;
1711 break;
1712 }
1713 if (!bytes_read) break;
1714
1715 request->content_read += bytes_read;
1716 to_write -= bytes_read;
1717 *read += bytes_read;
1718 p += bytes_read;
1719
1720 if (request->content_read == request->content_length) /* chunk complete */
1721 {
1722 request->content_read = 0;
1723 request->content_length = ~0u;
1724
1725 buflen = sizeof(reply);
1726 if (!netconn_get_next_line( &request->netconn, reply, &buflen ))
1727 {
1728 ERR("Malformed chunk\n");
1729 *read = 0;
1730 break;
1731 }
1732 }
1733 }
1734 return TRUE;
1735 }
1736
1737 static void finished_reading( request_t *request )
1738 {
1739 static const WCHAR closeW[] = {'c','l','o','s','e',0};
1740
1741 BOOL close = FALSE;
1742 WCHAR connection[20];
1743 DWORD size = sizeof(connection);
1744
1745 if (request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE) close = TRUE;
1746 else if (query_headers( request, WINHTTP_QUERY_CONNECTION, NULL, connection, &size, NULL ) ||
1747 query_headers( request, WINHTTP_QUERY_PROXY_CONNECTION, NULL, connection, &size, NULL ))
1748 {
1749 if (!strcmpiW( connection, closeW )) close = TRUE;
1750 }
1751 else if (!strcmpW( request->version, http1_0 )) close = TRUE;
1752
1753 if (close) close_connection( request );
1754 request->content_length = ~0u;
1755 request->content_read = 0;
1756 }
1757
1758 static BOOL read_data( request_t *request, void *buffer, DWORD to_read, DWORD *read, BOOL async )
1759 {
1760 static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0};
1761
1762 BOOL ret;
1763 WCHAR encoding[20];
1764 DWORD num_bytes, buflen = sizeof(encoding);
1765
1766 if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) &&
1767 !strcmpiW( encoding, chunked ))
1768 {
1769 ret = receive_data_chunked( request, buffer, to_read, &num_bytes, async );
1770 }
1771 else
1772 ret = receive_data( request, buffer, to_read, &num_bytes, async );
1773
1774 if (async)
1775 {
1776 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_READ_COMPLETE, buffer, num_bytes );
1777 else
1778 {
1779 WINHTTP_ASYNC_RESULT result;
1780 result.dwResult = API_READ_DATA;
1781 result.dwError = get_last_error();
1782 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1783 }
1784 }
1785 if (ret)
1786 {
1787 if (read) *read = num_bytes;
1788 if (!num_bytes) finished_reading( request );
1789 }
1790 return ret;
1791 }
1792
1793 /* read any content returned by the server so that the connection can be reused */
1794 static void drain_content( request_t *request )
1795 {
1796 DWORD bytes_read;
1797 char buffer[2048];
1798
1799 if (!request->content_length) return;
1800 for (;;)
1801 {
1802 if (!read_data( request, buffer, sizeof(buffer), &bytes_read, FALSE ) || !bytes_read) return;
1803 }
1804 }
1805
1806 static void record_cookies( request_t *request )
1807 {
1808 unsigned int i;
1809
1810 for (i = 0; i < request->num_headers; i++)
1811 {
1812 header_t *set_cookie = &request->headers[i];
1813 if (!strcmpiW( set_cookie->field, attr_set_cookie ) && !set_cookie->is_request)
1814 {
1815 set_cookies( request, set_cookie->value );
1816 }
1817 }
1818 }
1819
1820 static BOOL receive_response( request_t *request, BOOL async )
1821 {
1822 BOOL ret;
1823 DWORD size, query, status;
1824
1825 for (;;)
1826 {
1827 if (!(ret = read_reply( request ))) break;
1828
1829 size = sizeof(DWORD);
1830 query = WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER;
1831 if (!(ret = query_headers( request, query, NULL, &status, &size, NULL ))) break;
1832
1833 size = sizeof(DWORD);
1834 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
1835 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
1836 request->content_length = ~0u;
1837
1838 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES)) record_cookies( request );
1839
1840 if (status == HTTP_STATUS_MOVED || status == HTTP_STATUS_REDIRECT || status == HTTP_STATUS_REDIRECT_KEEP_VERB)
1841 {
1842 if (request->hdr.disable_flags & WINHTTP_DISABLE_REDIRECTS) break;
1843
1844 drain_content( request );
1845 if (!(ret = handle_redirect( request, status ))) break;
1846
1847 clear_response_headers( request );
1848 ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE ); /* recurse synchronously */
1849 continue;
1850 }
1851 else if (status == 401 || status == 407)
1852 {
1853 if (request->hdr.disable_flags & WINHTTP_DISABLE_AUTHENTICATION) break;
1854
1855 drain_content( request );
1856 if (!handle_authorization( request, status ))
1857 {
1858 ret = TRUE;
1859 break;
1860 }
1861 clear_response_headers( request );
1862 ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE );
1863 continue;
1864 }
1865 break;
1866 }
1867
1868 if (async)
1869 {
1870 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE, NULL, 0 );
1871 else
1872 {
1873 WINHTTP_ASYNC_RESULT result;
1874 result.dwResult = API_RECEIVE_RESPONSE;
1875 result.dwError = get_last_error();
1876 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1877 }
1878 }
1879 return ret;
1880 }
1881
1882 static void task_receive_response( task_header_t *task )
1883 {
1884 receive_response_t *r = (receive_response_t *)task;
1885 receive_response( r->hdr.request, TRUE );
1886 }
1887
1888 /***********************************************************************
1889 * WinHttpReceiveResponse (winhttp.@)
1890 */
1891 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
1892 {
1893 BOOL ret;
1894 request_t *request;
1895
1896 TRACE("%p, %p\n", hrequest, reserved);
1897
1898 if (!(request = (request_t *)grab_object( hrequest )))
1899 {
1900 set_last_error( ERROR_INVALID_HANDLE );
1901 return FALSE;
1902 }
1903 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1904 {
1905 release_object( &request->hdr );
1906 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1907 return FALSE;
1908 }
1909
1910 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1911 {
1912 receive_response_t *r;
1913
1914 if (!(r = heap_alloc( sizeof(receive_response_t) ))) return FALSE;
1915 r->hdr.request = request;
1916 r->hdr.proc = task_receive_response;
1917
1918 addref_object( &request->hdr );
1919 ret = queue_task( (task_header_t *)r );
1920 }
1921 else
1922 ret = receive_response( request, FALSE );
1923
1924 release_object( &request->hdr );
1925 return ret;
1926 }
1927
1928 static BOOL query_data( request_t *request, LPDWORD available, BOOL async )
1929 {
1930 BOOL ret;
1931 DWORD num_bytes;
1932
1933 if ((ret = netconn_query_data_available( &request->netconn, &num_bytes )))
1934 {
1935 if (request->content_read < request->content_length)
1936 {
1937 if (!num_bytes)
1938 {
1939 char buffer[4096];
1940 size_t to_read = min( sizeof(buffer), request->content_length - request->content_read );
1941
1942 ret = netconn_recv( &request->netconn, buffer, to_read, MSG_PEEK, (int *)&num_bytes );
1943 if (ret && !num_bytes) WARN("expected more data to be available\n");
1944 }
1945 }
1946 else if (num_bytes)
1947 {
1948 WARN("extra data available %u\n", num_bytes);
1949 ret = FALSE;
1950 }
1951 }
1952 TRACE("%u bytes available\n", num_bytes);
1953
1954 if (async)
1955 {
1956 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE, &num_bytes, sizeof(DWORD) );
1957 else
1958 {
1959 WINHTTP_ASYNC_RESULT result;
1960 result.dwResult = API_QUERY_DATA_AVAILABLE;
1961 result.dwError = get_last_error();
1962 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1963 }
1964 }
1965 if (ret && available) *available = num_bytes;
1966 return ret;
1967 }
1968
1969 static void task_query_data( task_header_t *task )
1970 {
1971 query_data_t *q = (query_data_t *)task;
1972 query_data( q->hdr.request, q->available, TRUE );
1973 }
1974
1975 /***********************************************************************
1976 * WinHttpQueryDataAvailable (winhttp.@)
1977 */
1978 BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
1979 {
1980 BOOL ret;
1981 request_t *request;
1982
1983 TRACE("%p, %p\n", hrequest, available);
1984
1985 if (!(request = (request_t *)grab_object( hrequest )))
1986 {
1987 set_last_error( ERROR_INVALID_HANDLE );
1988 return FALSE;
1989 }
1990 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1991 {
1992 release_object( &request->hdr );
1993 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1994 return FALSE;
1995 }
1996
1997 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1998 {
1999 query_data_t *q;
2000
2001 if (!(q = heap_alloc( sizeof(query_data_t) ))) return FALSE;
2002 q->hdr.request = request;
2003 q->hdr.proc = task_query_data;
2004 q->available = available;
2005
2006 addref_object( &request->hdr );
2007 ret = queue_task( (task_header_t *)q );
2008 }
2009 else
2010 ret = query_data( request, available, FALSE );
2011
2012 release_object( &request->hdr );
2013 return ret;
2014 }
2015
2016 static void task_read_data( task_header_t *task )
2017 {
2018 read_data_t *r = (read_data_t *)task;
2019 read_data( r->hdr.request, r->buffer, r->to_read, r->read, TRUE );
2020 }
2021
2022 /***********************************************************************
2023 * WinHttpReadData (winhttp.@)
2024 */
2025 BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read )
2026 {
2027 BOOL ret;
2028 request_t *request;
2029
2030 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read);
2031
2032 if (!(request = (request_t *)grab_object( hrequest )))
2033 {
2034 set_last_error( ERROR_INVALID_HANDLE );
2035 return FALSE;
2036 }
2037 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
2038 {
2039 release_object( &request->hdr );
2040 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
2041 return FALSE;
2042 }
2043
2044 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
2045 {
2046 read_data_t *r;
2047
2048 if (!(r = heap_alloc( sizeof(read_data_t) ))) return FALSE;
2049 r->hdr.request = request;
2050 r->hdr.proc = task_read_data;
2051 r->buffer = buffer;
2052 r->to_read = to_read;
2053 r->read = read;
2054
2055 addref_object( &request->hdr );
2056 ret = queue_task( (task_header_t *)r );
2057 }
2058 else
2059 ret = read_data( request, buffer, to_read, read, FALSE );
2060
2061 release_object( &request->hdr );
2062 return ret;
2063 }
2064
2065 static BOOL write_data( request_t *request, LPCVOID buffer, DWORD to_write, LPDWORD written, BOOL async )
2066 {
2067 BOOL ret;
2068 int num_bytes;
2069
2070 ret = netconn_send( &request->netconn, buffer, to_write, 0, &num_bytes );
2071
2072 if (async)
2073 {
2074 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE, &num_bytes, sizeof(DWORD) );
2075 else
2076 {
2077 WINHTTP_ASYNC_RESULT result;
2078 result.dwResult = API_WRITE_DATA;
2079 result.dwError = get_last_error();
2080 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
2081 }
2082 }
2083 if (ret && written) *written = num_bytes;
2084 return ret;
2085 }
2086
2087 static void task_write_data( task_header_t *task )
2088 {
2089 write_data_t *w = (write_data_t *)task;
2090 write_data( w->hdr.request, w->buffer, w->to_write, w->written, TRUE );
2091 }
2092
2093 /***********************************************************************
2094 * WinHttpWriteData (winhttp.@)
2095 */
2096 BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written )
2097 {
2098 BOOL ret;
2099 request_t *request;
2100
2101 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written);
2102
2103 if (!(request = (request_t *)grab_object( hrequest )))
2104 {
2105 set_last_error( ERROR_INVALID_HANDLE );
2106 return FALSE;
2107 }
2108 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
2109 {
2110 release_object( &request->hdr );
2111 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
2112 return FALSE;
2113 }
2114
2115 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
2116 {
2117 write_data_t *w;
2118
2119 if (!(w = heap_alloc( sizeof(write_data_t) ))) return FALSE;
2120 w->hdr.request = request;
2121 w->hdr.proc = task_write_data;
2122 w->buffer = buffer;
2123 w->to_write = to_write;
2124 w->written = written;
2125
2126 addref_object( &request->hdr );
2127 ret = queue_task( (task_header_t *)w );
2128 }
2129 else
2130 ret = write_data( request, buffer, to_write, written, FALSE );
2131
2132 release_object( &request->hdr );
2133 return ret;
2134 }