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[CLT2012]
[reactos.git] / dll / win32 / winhttp / request.c
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 #include "inet_ntop.c"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
40
41 static const WCHAR attr_accept[] = {'A','c','c','e','p','t',0};
42 static const WCHAR attr_accept_charset[] = {'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0};
43 static const WCHAR attr_accept_encoding[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0};
44 static const WCHAR attr_accept_language[] = {'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0};
45 static const WCHAR attr_accept_ranges[] = {'A','c','c','e','p','t','-','R','a','n','g','e','s',0};
46 static const WCHAR attr_age[] = {'A','g','e',0};
47 static const WCHAR attr_allow[] = {'A','l','l','o','w',0};
48 static const WCHAR attr_authorization[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',0};
49 static const WCHAR attr_cache_control[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l',0};
50 static const WCHAR attr_connection[] = {'C','o','n','n','e','c','t','i','o','n',0};
51 static const WCHAR attr_content_base[] = {'C','o','n','t','e','n','t','-','B','a','s','e',0};
52 static const WCHAR attr_content_encoding[] = {'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0};
53 static const WCHAR attr_content_id[] = {'C','o','n','t','e','n','t','-','I','D',0};
54 static const WCHAR attr_content_language[] = {'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0};
55 static const WCHAR attr_content_length[] = {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0};
56 static const WCHAR attr_content_location[] = {'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0};
57 static const WCHAR attr_content_md5[] = {'C','o','n','t','e','n','t','-','M','D','5',0};
58 static const WCHAR attr_content_range[] = {'C','o','n','t','e','n','t','-','R','a','n','g','e',0};
59 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};
60 static const WCHAR attr_content_type[] = {'C','o','n','t','e','n','t','-','T','y','p','e',0};
61 static const WCHAR attr_cookie[] = {'C','o','o','k','i','e',0};
62 static const WCHAR attr_date[] = {'D','a','t','e',0};
63 static const WCHAR attr_from[] = {'F','r','o','m',0};
64 static const WCHAR attr_etag[] = {'E','T','a','g',0};
65 static const WCHAR attr_expect[] = {'E','x','p','e','c','t',0};
66 static const WCHAR attr_expires[] = {'E','x','p','i','r','e','s',0};
67 static const WCHAR attr_host[] = {'H','o','s','t',0};
68 static const WCHAR attr_if_match[] = {'I','f','-','M','a','t','c','h',0};
69 static const WCHAR attr_if_modified_since[] = {'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
70 static const WCHAR attr_if_none_match[] = {'I','f','-','N','o','n','e','-','M','a','t','c','h',0};
71 static const WCHAR attr_if_range[] = {'I','f','-','R','a','n','g','e',0};
72 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};
73 static const WCHAR attr_last_modified[] = {'L','a','s','t','-','M','o','d','i','f','i','e','d',0};
74 static const WCHAR attr_location[] = {'L','o','c','a','t','i','o','n',0};
75 static const WCHAR attr_max_forwards[] = {'M','a','x','-','F','o','r','w','a','r','d','s',0};
76 static const WCHAR attr_mime_version[] = {'M','i','m','e','-','V','e','r','s','i','o','n',0};
77 static const WCHAR attr_pragma[] = {'P','r','a','g','m','a',0};
78 static const WCHAR attr_proxy_authenticate[] = {'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
79 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};
80 static const WCHAR attr_proxy_connection[] = {'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0};
81 static const WCHAR attr_public[] = {'P','u','b','l','i','c',0};
82 static const WCHAR attr_range[] = {'R','a','n','g','e',0};
83 static const WCHAR attr_referer[] = {'R','e','f','e','r','e','r',0};
84 static const WCHAR attr_retry_after[] = {'R','e','t','r','y','-','A','f','t','e','r',0};
85 static const WCHAR attr_server[] = {'S','e','r','v','e','r',0};
86 static const WCHAR attr_set_cookie[] = {'S','e','t','-','C','o','o','k','i','e',0};
87 static const WCHAR attr_status[] = {'S','t','a','t','u','s',0};
88 static const WCHAR attr_transfer_encoding[] = {'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
89 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};
90 static const WCHAR attr_upgrade[] = {'U','p','g','r','a','d','e',0};
91 static const WCHAR attr_uri[] = {'U','R','I',0};
92 static const WCHAR attr_user_agent[] = {'U','s','e','r','-','A','g','e','n','t',0};
93 static const WCHAR attr_vary[] = {'V','a','r','y',0};
94 static const WCHAR attr_via[] = {'V','i','a',0};
95 static const WCHAR attr_warning[] = {'W','a','r','n','i','n','g',0};
96 static const WCHAR attr_www_authenticate[] = {'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
97
98 static const WCHAR *attribute_table[] =
99 {
100 attr_mime_version, /* WINHTTP_QUERY_MIME_VERSION = 0 */
101 attr_content_type, /* WINHTTP_QUERY_CONTENT_TYPE = 1 */
102 attr_content_transfer_encoding, /* WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */
103 attr_content_id, /* WINHTTP_QUERY_CONTENT_ID = 3 */
104 NULL, /* WINHTTP_QUERY_CONTENT_DESCRIPTION = 4 */
105 attr_content_length, /* WINHTTP_QUERY_CONTENT_LENGTH = 5 */
106 attr_content_language, /* WINHTTP_QUERY_CONTENT_LANGUAGE = 6 */
107 attr_allow, /* WINHTTP_QUERY_ALLOW = 7 */
108 attr_public, /* WINHTTP_QUERY_PUBLIC = 8 */
109 attr_date, /* WINHTTP_QUERY_DATE = 9 */
110 attr_expires, /* WINHTTP_QUERY_EXPIRES = 10 */
111 attr_last_modified, /* WINHTTP_QUERY_LAST_MODIFIEDcw = 11 */
112 NULL, /* WINHTTP_QUERY_MESSAGE_ID = 12 */
113 attr_uri, /* WINHTTP_QUERY_URI = 13 */
114 attr_from, /* WINHTTP_QUERY_DERIVED_FROM = 14 */
115 NULL, /* WINHTTP_QUERY_COST = 15 */
116 NULL, /* WINHTTP_QUERY_LINK = 16 */
117 attr_pragma, /* WINHTTP_QUERY_PRAGMA = 17 */
118 NULL, /* WINHTTP_QUERY_VERSION = 18 */
119 attr_status, /* WINHTTP_QUERY_STATUS_CODE = 19 */
120 NULL, /* WINHTTP_QUERY_STATUS_TEXT = 20 */
121 NULL, /* WINHTTP_QUERY_RAW_HEADERS = 21 */
122 NULL, /* WINHTTP_QUERY_RAW_HEADERS_CRLF = 22 */
123 attr_connection, /* WINHTTP_QUERY_CONNECTION = 23 */
124 attr_accept, /* WINHTTP_QUERY_ACCEPT = 24 */
125 attr_accept_charset, /* WINHTTP_QUERY_ACCEPT_CHARSET = 25 */
126 attr_accept_encoding, /* WINHTTP_QUERY_ACCEPT_ENCODING = 26 */
127 attr_accept_language, /* WINHTTP_QUERY_ACCEPT_LANGUAGE = 27 */
128 attr_authorization, /* WINHTTP_QUERY_AUTHORIZATION = 28 */
129 attr_content_encoding, /* WINHTTP_QUERY_CONTENT_ENCODING = 29 */
130 NULL, /* WINHTTP_QUERY_FORWARDED = 30 */
131 NULL, /* WINHTTP_QUERY_FROM = 31 */
132 attr_if_modified_since, /* WINHTTP_QUERY_IF_MODIFIED_SINCE = 32 */
133 attr_location, /* WINHTTP_QUERY_LOCATION = 33 */
134 NULL, /* WINHTTP_QUERY_ORIG_URI = 34 */
135 attr_referer, /* WINHTTP_QUERY_REFERER = 35 */
136 attr_retry_after, /* WINHTTP_QUERY_RETRY_AFTER = 36 */
137 attr_server, /* WINHTTP_QUERY_SERVER = 37 */
138 NULL, /* WINHTTP_TITLE = 38 */
139 attr_user_agent, /* WINHTTP_QUERY_USER_AGENT = 39 */
140 attr_www_authenticate, /* WINHTTP_QUERY_WWW_AUTHENTICATE = 40 */
141 attr_proxy_authenticate, /* WINHTTP_QUERY_PROXY_AUTHENTICATE = 41 */
142 attr_accept_ranges, /* WINHTTP_QUERY_ACCEPT_RANGES = 42 */
143 attr_set_cookie, /* WINHTTP_QUERY_SET_COOKIE = 43 */
144 attr_cookie, /* WINHTTP_QUERY_COOKIE = 44 */
145 NULL, /* WINHTTP_QUERY_REQUEST_METHOD = 45 */
146 NULL, /* WINHTTP_QUERY_REFRESH = 46 */
147 NULL, /* WINHTTP_QUERY_CONTENT_DISPOSITION = 47 */
148 attr_age, /* WINHTTP_QUERY_AGE = 48 */
149 attr_cache_control, /* WINHTTP_QUERY_CACHE_CONTROL = 49 */
150 attr_content_base, /* WINHTTP_QUERY_CONTENT_BASE = 50 */
151 attr_content_location, /* WINHTTP_QUERY_CONTENT_LOCATION = 51 */
152 attr_content_md5, /* WINHTTP_QUERY_CONTENT_MD5 = 52 */
153 attr_content_range, /* WINHTTP_QUERY_CONTENT_RANGE = 53 */
154 attr_etag, /* WINHTTP_QUERY_ETAG = 54 */
155 attr_host, /* WINHTTP_QUERY_HOST = 55 */
156 attr_if_match, /* WINHTTP_QUERY_IF_MATCH = 56 */
157 attr_if_none_match, /* WINHTTP_QUERY_IF_NONE_MATCH = 57 */
158 attr_if_range, /* WINHTTP_QUERY_IF_RANGE = 58 */
159 attr_if_unmodified_since, /* WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */
160 attr_max_forwards, /* WINHTTP_QUERY_MAX_FORWARDS = 60 */
161 attr_proxy_authorization, /* WINHTTP_QUERY_PROXY_AUTHORIZATION = 61 */
162 attr_range, /* WINHTTP_QUERY_RANGE = 62 */
163 attr_transfer_encoding, /* WINHTTP_QUERY_TRANSFER_ENCODING = 63 */
164 attr_upgrade, /* WINHTTP_QUERY_UPGRADE = 64 */
165 attr_vary, /* WINHTTP_QUERY_VARY = 65 */
166 attr_via, /* WINHTTP_QUERY_VIA = 66 */
167 attr_warning, /* WINHTTP_QUERY_WARNING = 67 */
168 attr_expect, /* WINHTTP_QUERY_EXPECT = 68 */
169 attr_proxy_connection, /* WINHTTP_QUERY_PROXY_CONNECTION = 69 */
170 attr_unless_modified_since, /* WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */
171 NULL, /* WINHTTP_QUERY_PROXY_SUPPORT = 75 */
172 NULL, /* WINHTTP_QUERY_AUTHENTICATION_INFO = 76 */
173 NULL, /* WINHTTP_QUERY_PASSPORT_URLS = 77 */
174 NULL /* WINHTTP_QUERY_PASSPORT_CONFIG = 78 */
175 };
176
177 static DWORD CALLBACK task_thread( LPVOID param )
178 {
179 task_header_t *task = param;
180
181 task->proc( task );
182
183 release_object( &task->request->hdr );
184 heap_free( task );
185 return ERROR_SUCCESS;
186 }
187
188 static BOOL queue_task( task_header_t *task )
189 {
190 return QueueUserWorkItem( task_thread, task, WT_EXECUTELONGFUNCTION );
191 }
192
193 static void free_header( header_t *header )
194 {
195 heap_free( header->field );
196 heap_free( header->value );
197 heap_free( header );
198 }
199
200 static BOOL valid_token_char( WCHAR c )
201 {
202 if (c < 32 || c == 127) return FALSE;
203 switch (c)
204 {
205 case '(': case ')':
206 case '<': case '>':
207 case '@': case ',':
208 case ';': case ':':
209 case '\\': case '\"':
210 case '/': case '[':
211 case ']': case '?':
212 case '=': case '{':
213 case '}': case ' ':
214 case '\t':
215 return FALSE;
216 default:
217 return TRUE;
218 }
219 }
220
221 static header_t *parse_header( LPCWSTR string )
222 {
223 const WCHAR *p, *q;
224 header_t *header;
225 int len;
226
227 p = string;
228 if (!(q = strchrW( p, ':' )))
229 {
230 WARN("no ':' in line %s\n", debugstr_w(string));
231 return NULL;
232 }
233 if (q == string)
234 {
235 WARN("empty field name in line %s\n", debugstr_w(string));
236 return NULL;
237 }
238 while (*p != ':')
239 {
240 if (!valid_token_char( *p ))
241 {
242 WARN("invalid character in field name %s\n", debugstr_w(string));
243 return NULL;
244 }
245 p++;
246 }
247 len = q - string;
248 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
249 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
250 {
251 heap_free( header );
252 return NULL;
253 }
254 memcpy( header->field, string, len * sizeof(WCHAR) );
255 header->field[len] = 0;
256
257 q++; /* skip past colon */
258 while (*q == ' ') q++;
259 if (!*q)
260 {
261 WARN("no value in line %s\n", debugstr_w(string));
262 return header;
263 }
264 len = strlenW( q );
265 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
266 {
267 free_header( header );
268 return NULL;
269 }
270 memcpy( header->value, q, len * sizeof(WCHAR) );
271 header->value[len] = 0;
272
273 return header;
274 }
275
276 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
277 {
278 int index;
279
280 TRACE("%s\n", debugstr_w(field));
281
282 for (index = 0; index < request->num_headers; index++)
283 {
284 if (strcmpiW( request->headers[index].field, field )) continue;
285 if (request_only && !request->headers[index].is_request) continue;
286 if (!request_only && request->headers[index].is_request) continue;
287
288 if (!requested_index) break;
289 requested_index--;
290 }
291 if (index >= request->num_headers) index = -1;
292 TRACE("returning %d\n", index);
293 return index;
294 }
295
296 static BOOL insert_header( request_t *request, header_t *header )
297 {
298 DWORD count;
299 header_t *hdrs;
300
301 count = request->num_headers + 1;
302 if (count > 1)
303 hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count );
304 else
305 hdrs = heap_alloc_zero( sizeof(header_t) * count );
306
307 if (hdrs)
308 {
309 request->headers = hdrs;
310 request->headers[count - 1].field = strdupW( header->field );
311 request->headers[count - 1].value = strdupW( header->value );
312 request->headers[count - 1].is_request = header->is_request;
313 request->num_headers++;
314 return TRUE;
315 }
316 return FALSE;
317 }
318
319 static BOOL delete_header( request_t *request, DWORD index )
320 {
321 if (!request->num_headers) return FALSE;
322 if (index >= request->num_headers) return FALSE;
323 request->num_headers--;
324
325 heap_free( request->headers[index].field );
326 heap_free( request->headers[index].value );
327
328 memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) );
329 memset( &request->headers[request->num_headers], 0, sizeof(header_t) );
330 return TRUE;
331 }
332
333 static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only )
334 {
335 int index;
336 header_t *header;
337
338 TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags);
339
340 /* replace wins out over add */
341 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD;
342
343 if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1;
344 else
345 index = get_header_index( request, field, 0, request_only );
346
347 if (index >= 0)
348 {
349 if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE;
350 header = &request->headers[index];
351 }
352 else if (value)
353 {
354 header_t hdr;
355
356 hdr.field = (LPWSTR)field;
357 hdr.value = (LPWSTR)value;
358 hdr.is_request = request_only;
359
360 return insert_header( request, &hdr );
361 }
362 /* no value to delete */
363 else return TRUE;
364
365 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE)
366 {
367 delete_header( request, index );
368 if (value)
369 {
370 header_t hdr;
371
372 hdr.field = (LPWSTR)field;
373 hdr.value = (LPWSTR)value;
374 hdr.is_request = request_only;
375
376 return insert_header( request, &hdr );
377 }
378 return TRUE;
379 }
380 else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON))
381 {
382 WCHAR sep, *tmp;
383 int len, orig_len, value_len;
384
385 orig_len = strlenW( header->value );
386 value_len = strlenW( value );
387
388 if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ',';
389 else sep = ';';
390
391 len = orig_len + value_len + 2;
392 if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) )))
393 {
394 header->value = tmp;
395
396 header->value[orig_len] = sep;
397 orig_len++;
398 header->value[orig_len] = ' ';
399 orig_len++;
400
401 memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) );
402 header->value[len] = 0;
403 return TRUE;
404 }
405 }
406 return TRUE;
407 }
408
409 BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags )
410 {
411 BOOL ret = FALSE;
412 WCHAR *buffer, *p, *q;
413 header_t *header;
414
415 if (len == ~0u) len = strlenW( headers );
416 if (!len) return TRUE;
417 if (!(buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return FALSE;
418 strcpyW( buffer, headers );
419
420 p = buffer;
421 do
422 {
423 q = p;
424 while (*q)
425 {
426 if (q[0] == '\r' && q[1] == '\n') break;
427 q++;
428 }
429 if (!*p) break;
430 if (*q == '\r')
431 {
432 *q = 0;
433 q += 2; /* jump over \r\n */
434 }
435 if ((header = parse_header( p )))
436 {
437 ret = process_header( request, header->field, header->value, flags, TRUE );
438 free_header( header );
439 }
440 p = q;
441 } while (ret);
442
443 heap_free( buffer );
444 return ret;
445 }
446
447 /***********************************************************************
448 * WinHttpAddRequestHeaders (winhttp.@)
449 */
450 BOOL WINAPI WinHttpAddRequestHeaders( HINTERNET hrequest, LPCWSTR headers, DWORD len, DWORD flags )
451 {
452 BOOL ret;
453 request_t *request;
454
455 TRACE("%p, %s, 0x%x, 0x%08x\n", hrequest, debugstr_w(headers), len, flags);
456
457 if (!headers)
458 {
459 set_last_error( ERROR_INVALID_PARAMETER );
460 return FALSE;
461 }
462 if (!(request = (request_t *)grab_object( hrequest )))
463 {
464 set_last_error( ERROR_INVALID_HANDLE );
465 return FALSE;
466 }
467 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
468 {
469 release_object( &request->hdr );
470 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
471 return FALSE;
472 }
473
474 ret = add_request_headers( request, headers, len, flags );
475
476 release_object( &request->hdr );
477 return ret;
478 }
479
480 static WCHAR *build_request_path( request_t *request )
481 {
482 WCHAR *ret;
483
484 if (strcmpiW( request->connect->hostname, request->connect->servername ))
485 {
486 static const WCHAR http[] = { 'h','t','t','p',0 };
487 static const WCHAR https[] = { 'h','t','t','p','s',0 };
488 static const WCHAR fmt[] = { '%','s',':','/','/','%','s',0 };
489 LPCWSTR scheme = request->netconn.secure ? https : http;
490 int len;
491
492 len = strlenW( scheme ) + strlenW( request->connect->hostname );
493 /* 3 characters for '://', 1 for NUL. */
494 len += 4;
495 if (request->connect->hostport)
496 {
497 /* 1 for ':' between host and port, up to 5 for port */
498 len += 6;
499 }
500 if (request->path)
501 len += strlenW( request->path );
502 if ((ret = heap_alloc( len * sizeof(WCHAR) )))
503 {
504 sprintfW( ret, fmt, scheme, request->connect->hostname );
505 if (request->connect->hostport)
506 {
507 static const WCHAR colonFmt[] = { ':','%','u',0 };
508
509 sprintfW( ret + strlenW( ret ), colonFmt,
510 request->connect->hostport );
511 }
512 if (request->path)
513 strcatW( ret, request->path );
514 }
515 }
516 else
517 ret = request->path;
518 return ret;
519 }
520
521 static WCHAR *build_request_string( request_t *request )
522 {
523 static const WCHAR space[] = {' ',0};
524 static const WCHAR crlf[] = {'\r','\n',0};
525 static const WCHAR colon[] = {':',' ',0};
526 static const WCHAR twocrlf[] = {'\r','\n','\r','\n',0};
527
528 WCHAR *path, *ret;
529 const WCHAR **headers, **p;
530 unsigned int len, i = 0, j;
531
532 /* allocate space for an array of all the string pointers to be added */
533 len = request->num_headers * 4 + 7;
534 if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL;
535
536 path = build_request_path( request );
537 headers[i++] = request->verb;
538 headers[i++] = space;
539 headers[i++] = path;
540 headers[i++] = space;
541 headers[i++] = request->version;
542
543 for (j = 0; j < request->num_headers; j++)
544 {
545 if (request->headers[j].is_request)
546 {
547 headers[i++] = crlf;
548 headers[i++] = request->headers[j].field;
549 headers[i++] = colon;
550 headers[i++] = request->headers[j].value;
551
552 TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field),
553 debugstr_w(request->headers[j].value));
554 }
555 }
556 headers[i++] = twocrlf;
557 headers[i] = NULL;
558
559 len = 0;
560 for (p = headers; *p; p++) len += strlenW( *p );
561 len++;
562
563 if (!(ret = heap_alloc( len * sizeof(WCHAR) )))
564 goto out;
565 *ret = 0;
566 for (p = headers; *p; p++) strcatW( ret, *p );
567
568 out:
569 if (path != request->path)
570 heap_free( path );
571 heap_free( headers );
572 return ret;
573 }
574
575 #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER)
576
577 static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
578 {
579 header_t *header = NULL;
580 BOOL request_only, ret = FALSE;
581 int requested_index, header_index = -1;
582 DWORD attr, len;
583
584 request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS;
585 requested_index = index ? *index : 0;
586
587 attr = level & ~QUERY_MODIFIER_MASK;
588 switch (attr)
589 {
590 case WINHTTP_QUERY_CUSTOM:
591 {
592 header_index = get_header_index( request, name, requested_index, request_only );
593 break;
594 }
595 case WINHTTP_QUERY_RAW_HEADERS:
596 {
597 WCHAR *headers, *p, *q;
598
599 if (request_only)
600 headers = build_request_string( request );
601 else
602 headers = request->raw_headers;
603
604 if (!(p = headers)) return FALSE;
605 for (len = 0; *p; p++) if (*p != '\r') len++;
606
607 if (!buffer || (len + 1) * sizeof(WCHAR) > *buflen)
608 {
609 len++;
610 set_last_error( ERROR_INSUFFICIENT_BUFFER );
611 }
612 else
613 {
614 for (p = headers, q = buffer; *p; p++, q++)
615 {
616 if (*p != '\r') *q = *p;
617 else
618 {
619 *q = 0;
620 p++; /* skip '\n' */
621 }
622 }
623 *q = 0;
624 TRACE("returning data: %s\n", debugstr_wn(buffer, len));
625 ret = TRUE;
626 }
627 *buflen = len * sizeof(WCHAR);
628 if (request_only) heap_free( headers );
629 return ret;
630 }
631 case WINHTTP_QUERY_RAW_HEADERS_CRLF:
632 {
633 WCHAR *headers;
634
635 if (request_only)
636 headers = build_request_string( request );
637 else
638 headers = request->raw_headers;
639
640 if (!headers) return FALSE;
641 len = strlenW( headers ) * sizeof(WCHAR);
642 if (!buffer || len + sizeof(WCHAR) > *buflen)
643 {
644 len += sizeof(WCHAR);
645 set_last_error( ERROR_INSUFFICIENT_BUFFER );
646 }
647 else
648 {
649 memcpy( buffer, headers, len + sizeof(WCHAR) );
650 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
651 ret = TRUE;
652 }
653 *buflen = len;
654 if (request_only) heap_free( headers );
655 return ret;
656 }
657 case WINHTTP_QUERY_VERSION:
658 len = strlenW( request->version ) * sizeof(WCHAR);
659 if (!buffer || len + sizeof(WCHAR) > *buflen)
660 {
661 len += sizeof(WCHAR);
662 set_last_error( ERROR_INSUFFICIENT_BUFFER );
663 }
664 else
665 {
666 strcpyW( buffer, request->version );
667 TRACE("returning string: %s\n", debugstr_w(buffer));
668 ret = TRUE;
669 }
670 *buflen = len;
671 return ret;
672
673 case WINHTTP_QUERY_STATUS_TEXT:
674 len = strlenW( request->status_text ) * sizeof(WCHAR);
675 if (!buffer || len + sizeof(WCHAR) > *buflen)
676 {
677 len += sizeof(WCHAR);
678 set_last_error( ERROR_INSUFFICIENT_BUFFER );
679 }
680 else
681 {
682 strcpyW( buffer, request->status_text );
683 TRACE("returning string: %s\n", debugstr_w(buffer));
684 ret = TRUE;
685 }
686 *buflen = len;
687 return ret;
688
689 default:
690 if (attr >= sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
691 {
692 FIXME("attribute %u not implemented\n", attr);
693 return FALSE;
694 }
695 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
696 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
697 break;
698 }
699
700 if (header_index >= 0)
701 {
702 header = &request->headers[header_index];
703 }
704 if (!header || (request_only && !header->is_request))
705 {
706 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
707 return FALSE;
708 }
709 if (index) *index += 1;
710 if (level & WINHTTP_QUERY_FLAG_NUMBER)
711 {
712 if (!buffer || sizeof(int) > *buflen)
713 {
714 set_last_error( ERROR_INSUFFICIENT_BUFFER );
715 }
716 else
717 {
718 int *number = buffer;
719 *number = atoiW( header->value );
720 TRACE("returning number: %d\n", *number);
721 ret = TRUE;
722 }
723 *buflen = sizeof(int);
724 }
725 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
726 {
727 SYSTEMTIME *st = buffer;
728 if (!buffer || sizeof(SYSTEMTIME) > *buflen)
729 {
730 set_last_error( ERROR_INSUFFICIENT_BUFFER );
731 }
732 else if ((ret = WinHttpTimeToSystemTime( header->value, st )))
733 {
734 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
735 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
736 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
737 }
738 *buflen = sizeof(SYSTEMTIME);
739 }
740 else if (header->value)
741 {
742 len = strlenW( header->value ) * sizeof(WCHAR);
743 if (!buffer || len + sizeof(WCHAR) > *buflen)
744 {
745 len += sizeof(WCHAR);
746 set_last_error( ERROR_INSUFFICIENT_BUFFER );
747 }
748 else
749 {
750 strcpyW( buffer, header->value );
751 TRACE("returning string: %s\n", debugstr_w(buffer));
752 ret = TRUE;
753 }
754 *buflen = len;
755 }
756 return ret;
757 }
758
759 /***********************************************************************
760 * WinHttpQueryHeaders (winhttp.@)
761 */
762 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
763 {
764 BOOL ret;
765 request_t *request;
766
767 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
768
769 if (!(request = (request_t *)grab_object( hrequest )))
770 {
771 set_last_error( ERROR_INVALID_HANDLE );
772 return FALSE;
773 }
774 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
775 {
776 release_object( &request->hdr );
777 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
778 return FALSE;
779 }
780
781 ret = query_headers( request, level, name, buffer, buflen, index );
782
783 release_object( &request->hdr );
784 return ret;
785 }
786
787 static LPWSTR concatenate_string_list( LPCWSTR *list, int len )
788 {
789 LPCWSTR *t;
790 LPWSTR str;
791
792 for( t = list; *t ; t++ )
793 len += strlenW( *t );
794 len++;
795
796 str = heap_alloc( len * sizeof(WCHAR) );
797 if (!str) return NULL;
798 *str = 0;
799
800 for( t = list; *t ; t++ )
801 strcatW( str, *t );
802
803 return str;
804 }
805
806 static LPWSTR build_header_request_string( request_t *request, LPCWSTR verb,
807 LPCWSTR path, LPCWSTR version )
808 {
809 static const WCHAR crlf[] = {'\r','\n',0};
810 static const WCHAR space[] = { ' ',0 };
811 static const WCHAR colon[] = { ':',' ',0 };
812 static const WCHAR twocrlf[] = {'\r','\n','\r','\n', 0};
813 LPWSTR requestString;
814 DWORD len, n;
815 LPCWSTR *req;
816 UINT i;
817 LPWSTR p;
818
819 /* allocate space for an array of all the string pointers to be added */
820 len = (request->num_headers) * 4 + 10;
821 req = heap_alloc( len * sizeof(LPCWSTR) );
822 if (!req) return NULL;
823
824 /* add the verb, path and HTTP version string */
825 n = 0;
826 req[n++] = verb;
827 req[n++] = space;
828 req[n++] = path;
829 req[n++] = space;
830 req[n++] = version;
831
832 /* Append custom request headers */
833 for (i = 0; i < request->num_headers; i++)
834 {
835 if (request->headers[i].is_request)
836 {
837 req[n++] = crlf;
838 req[n++] = request->headers[i].field;
839 req[n++] = colon;
840 req[n++] = request->headers[i].value;
841
842 TRACE("Adding custom header %s (%s)\n",
843 debugstr_w(request->headers[i].field),
844 debugstr_w(request->headers[i].value));
845 }
846 }
847
848 if( n >= len )
849 ERR("oops. buffer overrun\n");
850
851 req[n] = NULL;
852 requestString = concatenate_string_list( req, 4 );
853 heap_free( req );
854 if (!requestString) return NULL;
855
856 /*
857 * Set (header) termination string for request
858 * Make sure there's exactly two new lines at the end of the request
859 */
860 p = &requestString[strlenW(requestString)-1];
861 while ( (*p == '\n') || (*p == '\r') )
862 p--;
863 strcpyW( p+1, twocrlf );
864
865 return requestString;
866 }
867
868 static BOOL read_reply( request_t *request );
869
870 static BOOL secure_proxy_connect( request_t *request )
871 {
872 static const WCHAR verbConnect[] = {'C','O','N','N','E','C','T',0};
873 static const WCHAR fmt[] = {'%','s',':','%','u',0};
874 BOOL ret = FALSE;
875 LPWSTR path;
876 connect_t *connect = request->connect;
877
878 path = heap_alloc( (strlenW( connect->hostname ) + 13) * sizeof(WCHAR) );
879 if (path)
880 {
881 LPWSTR requestString;
882
883 sprintfW( path, fmt, connect->hostname, connect->hostport );
884 requestString = build_header_request_string( request, verbConnect,
885 path, http1_1 );
886 heap_free( path );
887 if (requestString)
888 {
889 LPSTR req_ascii = strdupWA( requestString );
890
891 heap_free( requestString );
892 if (req_ascii)
893 {
894 int len = strlen( req_ascii ), bytes_sent;
895
896 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
897 heap_free( req_ascii );
898 if (ret)
899 ret = read_reply( request );
900 }
901 }
902 }
903 return ret;
904 }
905
906 #ifndef INET6_ADDRSTRLEN
907 #define INET6_ADDRSTRLEN 46
908 #endif
909
910 static BOOL open_connection( request_t *request )
911 {
912 connect_t *connect;
913 const void *addr;
914 char address[INET6_ADDRSTRLEN];
915 WCHAR *addressW;
916 INTERNET_PORT port;
917 socklen_t slen;
918
919 if (netconn_connected( &request->netconn )) return TRUE;
920
921 connect = request->connect;
922 port = connect->serverport ? connect->serverport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
923
924 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, connect->servername, strlenW(connect->servername) + 1 );
925
926 slen = sizeof(connect->sockaddr);
927 if (!netconn_resolve( connect->servername, port, (struct sockaddr *)&connect->sockaddr, &slen, request->resolve_timeout )) return FALSE;
928 switch (connect->sockaddr.ss_family)
929 {
930 case AF_INET:
931 addr = &((struct sockaddr_in *)&connect->sockaddr)->sin_addr;
932 break;
933 case AF_INET6:
934 addr = &((struct sockaddr_in6 *)&connect->sockaddr)->sin6_addr;
935 break;
936 default:
937 WARN("unsupported address family %d\n", connect->sockaddr.ss_family);
938 return FALSE;
939 }
940 inet_ntop( connect->sockaddr.ss_family, addr, address, sizeof(address) );
941 addressW = strdupAW( address );
942
943 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, addressW, strlenW(addressW) + 1 );
944
945 TRACE("connecting to %s:%u\n", address, port);
946
947 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
948
949 if (!netconn_create( &request->netconn, connect->sockaddr.ss_family, SOCK_STREAM, 0 ))
950 {
951 heap_free( addressW );
952 return FALSE;
953 }
954 netconn_set_timeout( &request->netconn, TRUE, request->send_timeout );
955 netconn_set_timeout( &request->netconn, FALSE, request->recv_timeout );
956 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, slen, request->connect_timeout ))
957 {
958 netconn_close( &request->netconn );
959 heap_free( addressW );
960 return FALSE;
961 }
962 if (request->hdr.flags & WINHTTP_FLAG_SECURE)
963 {
964 if (connect->session->proxy_server &&
965 strcmpiW( connect->hostname, connect->servername ))
966 {
967 if (!secure_proxy_connect( request ))
968 {
969 heap_free( addressW );
970 return FALSE;
971 }
972 }
973 if (!netconn_secure_connect( &request->netconn, connect->servername ))
974 {
975 netconn_close( &request->netconn );
976 heap_free( addressW );
977 return FALSE;
978 }
979 }
980
981 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, strlenW(addressW) + 1 );
982
983 heap_free( addressW );
984 return TRUE;
985 }
986
987 void close_connection( request_t *request )
988 {
989 if (!netconn_connected( &request->netconn )) return;
990
991 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
992 netconn_close( &request->netconn );
993 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
994 }
995
996 static BOOL add_host_header( request_t *request, DWORD modifier )
997 {
998 BOOL ret;
999 DWORD len;
1000 WCHAR *host;
1001 static const WCHAR fmt[] = {'%','s',':','%','u',0};
1002 connect_t *connect = request->connect;
1003 INTERNET_PORT port;
1004
1005 port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
1006
1007 if (port == INTERNET_DEFAULT_HTTP_PORT || port == INTERNET_DEFAULT_HTTPS_PORT)
1008 {
1009 return process_header( request, attr_host, connect->hostname, modifier, TRUE );
1010 }
1011 len = strlenW( connect->hostname ) + 7; /* sizeof(":65335") */
1012 if (!(host = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1013 sprintfW( host, fmt, connect->hostname, port );
1014 ret = process_header( request, attr_host, host, modifier, TRUE );
1015 heap_free( host );
1016 return ret;
1017 }
1018
1019 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
1020 DWORD optional_len, DWORD total_len, DWORD_PTR context, BOOL async )
1021 {
1022 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
1023 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
1024 static const WCHAR length_fmt[] = {'%','l','d',0};
1025
1026 BOOL ret = FALSE;
1027 connect_t *connect = request->connect;
1028 session_t *session = connect->session;
1029 WCHAR *req = NULL;
1030 char *req_ascii;
1031 int bytes_sent;
1032 DWORD len;
1033
1034 if (session->agent)
1035 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1036
1037 if (connect->hostname)
1038 add_host_header( request, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW );
1039
1040 if (total_len || (request->verb && !strcmpW( request->verb, postW )))
1041 {
1042 WCHAR length[21]; /* decimal long int + null */
1043 sprintfW( length, length_fmt, total_len );
1044 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1045 }
1046 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE))
1047 {
1048 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1049 }
1050 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
1051 {
1052 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1053 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1054 }
1055 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
1056 {
1057 TRACE("failed to add request headers\n");
1058 return FALSE;
1059 }
1060 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES) && !add_cookie_headers( request ))
1061 {
1062 WARN("failed to add cookie headers\n");
1063 return FALSE;
1064 }
1065
1066 if (!(ret = open_connection( request ))) goto end;
1067 if (!(req = build_request_string( request ))) goto end;
1068
1069 if (!(req_ascii = strdupWA( req ))) goto end;
1070 TRACE("full request: %s\n", debugstr_a(req_ascii));
1071 len = strlen(req_ascii);
1072
1073 if (context) request->hdr.context = context;
1074 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
1075
1076 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
1077 heap_free( req_ascii );
1078 if (!ret) goto end;
1079
1080 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
1081 len += optional_len;
1082
1083 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
1084
1085 end:
1086 if (async)
1087 {
1088 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, NULL, 0 );
1089 else
1090 {
1091 WINHTTP_ASYNC_RESULT result;
1092 result.dwResult = API_SEND_REQUEST;
1093 result.dwError = get_last_error();
1094 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1095 }
1096 }
1097 heap_free( req );
1098 return ret;
1099 }
1100
1101 static void task_send_request( task_header_t *task )
1102 {
1103 send_request_t *s = (send_request_t *)task;
1104 send_request( s->hdr.request, s->headers, s->headers_len, s->optional, s->optional_len, s->total_len, s->context, TRUE );
1105 heap_free( s->headers );
1106 }
1107
1108 /***********************************************************************
1109 * WinHttpSendRequest (winhttp.@)
1110 */
1111 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
1112 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
1113 {
1114 BOOL ret;
1115 request_t *request;
1116
1117 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
1118 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
1119
1120 if (!(request = (request_t *)grab_object( hrequest )))
1121 {
1122 set_last_error( ERROR_INVALID_HANDLE );
1123 return FALSE;
1124 }
1125 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1126 {
1127 release_object( &request->hdr );
1128 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1129 return FALSE;
1130 }
1131
1132 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1133 {
1134 send_request_t *s;
1135
1136 if (!(s = heap_alloc( sizeof(send_request_t) ))) return FALSE;
1137 s->hdr.request = request;
1138 s->hdr.proc = task_send_request;
1139 s->headers = strdupW( headers );
1140 s->headers_len = headers_len;
1141 s->optional = optional;
1142 s->optional_len = optional_len;
1143 s->total_len = total_len;
1144 s->context = context;
1145
1146 addref_object( &request->hdr );
1147 ret = queue_task( (task_header_t *)s );
1148 }
1149 else
1150 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context, FALSE );
1151
1152 release_object( &request->hdr );
1153 return ret;
1154 }
1155
1156 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1157
1158 static DWORD auth_scheme_from_header( WCHAR *header )
1159 {
1160 static const WCHAR basic[] = {'B','a','s','i','c'};
1161 static const WCHAR ntlm[] = {'N','T','L','M'};
1162 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1163 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1164 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1165
1166 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1167 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1168
1169 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1170 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1171
1172 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1173 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1174
1175 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1176 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1177
1178 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1179 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1180
1181 return 0;
1182 }
1183
1184 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1185 {
1186 DWORD index = 0;
1187 BOOL ret = FALSE;
1188
1189 for (;;)
1190 {
1191 WCHAR *buffer;
1192 DWORD size, scheme;
1193
1194 size = 0;
1195 query_headers( request, level, NULL, NULL, &size, &index );
1196 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1197
1198 index--;
1199 if (!(buffer = heap_alloc( size ))) return FALSE;
1200 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1201 {
1202 heap_free( buffer );
1203 return FALSE;
1204 }
1205 scheme = auth_scheme_from_header( buffer );
1206 if (first && index == 1) *first = scheme;
1207 *supported |= scheme;
1208
1209 heap_free( buffer );
1210 ret = TRUE;
1211 }
1212 return ret;
1213 }
1214
1215 /***********************************************************************
1216 * WinHttpQueryAuthSchemes (winhttp.@)
1217 */
1218 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1219 {
1220 BOOL ret = FALSE;
1221 request_t *request;
1222
1223 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1224
1225 if (!(request = (request_t *)grab_object( hrequest )))
1226 {
1227 set_last_error( ERROR_INVALID_HANDLE );
1228 return FALSE;
1229 }
1230 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1231 {
1232 release_object( &request->hdr );
1233 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1234 return FALSE;
1235 }
1236
1237 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1238 {
1239 *target = WINHTTP_AUTH_TARGET_SERVER;
1240 ret = TRUE;
1241 }
1242 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1243 {
1244 *target = WINHTTP_AUTH_TARGET_PROXY;
1245 ret = TRUE;
1246 }
1247
1248 release_object( &request->hdr );
1249 return ret;
1250 }
1251
1252 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1253 {
1254 UINT n = 0, x;
1255 static const char base64enc[] =
1256 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1257
1258 while (len > 0)
1259 {
1260 /* first 6 bits, all from bin[0] */
1261 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1262 x = (bin[0] & 3) << 4;
1263
1264 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1265 if (len == 1)
1266 {
1267 base64[n++] = base64enc[x];
1268 base64[n++] = '=';
1269 base64[n++] = '=';
1270 break;
1271 }
1272 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1273 x = (bin[1] & 0x0f) << 2;
1274
1275 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1276 if (len == 2)
1277 {
1278 base64[n++] = base64enc[x];
1279 base64[n++] = '=';
1280 break;
1281 }
1282 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1283
1284 /* last 6 bits, all from bin [2] */
1285 base64[n++] = base64enc[bin[2] & 0x3f];
1286 bin += 3;
1287 len -= 3;
1288 }
1289 base64[n] = 0;
1290 return n;
1291 }
1292
1293 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1294 {
1295 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1296 const WCHAR *auth_scheme, *auth_target;
1297 WCHAR *auth_header;
1298 DWORD len, auth_data_len;
1299 char *auth_data;
1300 BOOL ret;
1301
1302 if (!username || !password)
1303 {
1304 set_last_error( ERROR_INVALID_PARAMETER );
1305 return FALSE;
1306 }
1307
1308 switch (target)
1309 {
1310 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1311 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1312 default:
1313 WARN("unknown target %x\n", target);
1314 return FALSE;
1315 }
1316 switch (scheme)
1317 {
1318 case WINHTTP_AUTH_SCHEME_BASIC:
1319 {
1320 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1321 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1322
1323 TRACE("basic authentication\n");
1324
1325 auth_scheme = basic;
1326 auth_data_len = userlen + 1 + passlen;
1327 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
1328
1329 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
1330 auth_data[userlen] = ':';
1331 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
1332 break;
1333 }
1334 case WINHTTP_AUTH_SCHEME_NTLM:
1335 case WINHTTP_AUTH_SCHEME_PASSPORT:
1336 case WINHTTP_AUTH_SCHEME_DIGEST:
1337 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
1338 FIXME("unimplemented authentication scheme %x\n", scheme);
1339 return FALSE;
1340 default:
1341 WARN("unknown authentication scheme %x\n", scheme);
1342 return FALSE;
1343 }
1344
1345 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
1346 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
1347 {
1348 heap_free( auth_data );
1349 return FALSE;
1350 }
1351 strcpyW( auth_header, auth_scheme );
1352 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
1353
1354 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
1355
1356 heap_free( auth_data );
1357 heap_free( auth_header );
1358 return ret;
1359 }
1360
1361 /***********************************************************************
1362 * WinHttpSetCredentials (winhttp.@)
1363 */
1364 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
1365 LPCWSTR password, LPVOID params )
1366 {
1367 BOOL ret;
1368 request_t *request;
1369
1370 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
1371
1372 if (!(request = (request_t *)grab_object( hrequest )))
1373 {
1374 set_last_error( ERROR_INVALID_HANDLE );
1375 return FALSE;
1376 }
1377 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1378 {
1379 release_object( &request->hdr );
1380 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1381 return FALSE;
1382 }
1383
1384 ret = set_credentials( request, target, scheme, username, password );
1385
1386 release_object( &request->hdr );
1387 return ret;
1388 }
1389
1390 static BOOL handle_authorization( request_t *request, DWORD status )
1391 {
1392 DWORD schemes, level, target;
1393 const WCHAR *username, *password;
1394
1395 switch (status)
1396 {
1397 case 401:
1398 target = WINHTTP_AUTH_TARGET_SERVER;
1399 level = WINHTTP_QUERY_WWW_AUTHENTICATE;
1400 break;
1401
1402 case 407:
1403 target = WINHTTP_AUTH_TARGET_PROXY;
1404 level = WINHTTP_QUERY_PROXY_AUTHENTICATE;
1405 break;
1406
1407 default:
1408 WARN("unhandled status %u\n", status);
1409 return FALSE;
1410 }
1411
1412 if (!query_auth_schemes( request, level, &schemes, NULL )) return FALSE;
1413
1414 if (target == WINHTTP_AUTH_TARGET_SERVER)
1415 {
1416 username = request->connect->username;
1417 password = request->connect->password;
1418 }
1419 else
1420 {
1421 username = request->connect->session->proxy_username;
1422 password = request->connect->session->proxy_password;
1423 }
1424
1425 if (schemes & WINHTTP_AUTH_SCHEME_BASIC)
1426 return set_credentials( request, target, WINHTTP_AUTH_SCHEME_BASIC, username, password );
1427
1428 FIXME("unsupported authentication scheme\n");
1429 return FALSE;
1430 }
1431
1432 static void clear_response_headers( request_t *request )
1433 {
1434 unsigned int i;
1435
1436 for (i = 0; i < request->num_headers; i++)
1437 {
1438 if (!request->headers[i].field) continue;
1439 if (!request->headers[i].value) continue;
1440 if (request->headers[i].is_request) continue;
1441 delete_header( request, i );
1442 i--;
1443 }
1444 }
1445
1446 #define MAX_REPLY_LEN 1460
1447 #define INITIAL_HEADER_BUFFER_LEN 512
1448
1449 static BOOL read_reply( request_t *request )
1450 {
1451 static const WCHAR crlf[] = {'\r','\n',0};
1452
1453 char buffer[MAX_REPLY_LEN];
1454 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
1455 char *status_code, *status_text;
1456 WCHAR *versionW, *status_textW, *raw_headers;
1457 WCHAR status_codeW[4]; /* sizeof("nnn") */
1458
1459 if (!netconn_connected( &request->netconn )) return FALSE;
1460
1461 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
1462
1463 received_len = 0;
1464 do
1465 {
1466 buflen = MAX_REPLY_LEN;
1467 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
1468 received_len += buflen;
1469
1470 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
1471 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
1472 status_code++;
1473 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
1474 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
1475 status_text++;
1476
1477 TRACE("version [%s] status code [%s] status text [%s]\n",
1478 debugstr_an(buffer, status_code - buffer - 1),
1479 debugstr_an(status_code, len),
1480 debugstr_a(status_text));
1481
1482 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
1483
1484 /* we rely on the fact that the protocol is ascii */
1485 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
1486 status_codeW[len] = 0;
1487 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
1488
1489 len = status_code - buffer;
1490 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1491 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
1492 versionW[len - 1] = 0;
1493
1494 heap_free( request->version );
1495 request->version = versionW;
1496
1497 len = buflen - (status_text - buffer);
1498 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1499 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
1500
1501 heap_free( request->status_text );
1502 request->status_text = status_textW;
1503
1504 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_LEN );
1505 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1506 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
1507 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
1508
1509 heap_free( request->raw_headers );
1510 request->raw_headers = raw_headers;
1511
1512 offset = buflen + crlf_len - 1;
1513 for (;;)
1514 {
1515 header_t *header;
1516
1517 buflen = MAX_REPLY_LEN;
1518 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
1519 received_len += buflen;
1520 if (!*buffer) break;
1521
1522 while (len - offset < buflen + crlf_len)
1523 {
1524 WCHAR *tmp;
1525 len *= 2;
1526 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
1527 request->raw_headers = raw_headers = tmp;
1528 }
1529 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
1530
1531 if (!(header = parse_header( raw_headers + offset ))) break;
1532 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
1533 {
1534 free_header( header );
1535 break;
1536 }
1537 free_header( header );
1538 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
1539 offset += buflen + crlf_len - 1;
1540 }
1541
1542 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
1543
1544 end:
1545 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
1546 return TRUE;
1547 }
1548
1549 static BOOL handle_redirect( request_t *request )
1550 {
1551 BOOL ret = FALSE;
1552 DWORD size, len;
1553 URL_COMPONENTS uc;
1554 connect_t *connect = request->connect;
1555 INTERNET_PORT port;
1556 WCHAR *hostname = NULL, *location = NULL;
1557 int index;
1558
1559 size = 0;
1560 query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL );
1561 if (!(location = heap_alloc( size ))) return FALSE;
1562 if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end;
1563
1564 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 );
1565
1566 memset( &uc, 0, sizeof(uc) );
1567 uc.dwStructSize = sizeof(uc);
1568 uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0u;
1569
1570 if (!WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc )) /* assume relative redirect */
1571 {
1572 WCHAR *path, *p;
1573
1574 len = strlenW( location ) + 1;
1575 if (location[0] != '/') len++;
1576 if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end;
1577
1578 if (location[0] != '/') *p++ = '/';
1579 strcpyW( p, location );
1580
1581 heap_free( request->path );
1582 request->path = path;
1583 }
1584 else
1585 {
1586 if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE)
1587 {
1588 TRACE("redirect from secure page to non-secure page\n");
1589 request->hdr.flags &= ~WINHTTP_FLAG_SECURE;
1590 }
1591 else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE))
1592 {
1593 TRACE("redirect from non-secure page to secure page\n");
1594 request->hdr.flags |= WINHTTP_FLAG_SECURE;
1595 }
1596
1597 len = uc.dwHostNameLength;
1598 if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1599 memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) );
1600 hostname[len] = 0;
1601
1602 port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80);
1603 if (strcmpiW( connect->hostname, hostname ) || connect->serverport != port)
1604 {
1605 heap_free( connect->hostname );
1606 connect->hostname = hostname;
1607 connect->hostport = port;
1608 if (!(ret = set_server_for_hostname( connect, hostname, port ))) goto end;
1609
1610 netconn_close( &request->netconn );
1611 if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end;
1612 }
1613 if (!(ret = add_host_header( request, WINHTTP_ADDREQ_FLAG_REPLACE ))) goto end;
1614 if (!(ret = open_connection( request ))) goto end;
1615
1616 heap_free( request->path );
1617 request->path = NULL;
1618 if (uc.dwUrlPathLength)
1619 {
1620 len = uc.dwUrlPathLength + uc.dwExtraInfoLength;
1621 if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1622 strcpyW( request->path, uc.lpszUrlPath );
1623 }
1624 else request->path = strdupW( slashW );
1625 }
1626
1627 /* remove content-type/length headers */
1628 if ((index = get_header_index( request, attr_content_type, 0, TRUE )) >= 0) delete_header( request, index );
1629 if ((index = get_header_index( request, attr_content_length, 0, TRUE )) >= 0 ) delete_header( request, index );
1630
1631 /* redirects are always GET requests */
1632 heap_free( request->verb );
1633 request->verb = strdupW( getW );
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 ))) 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 }
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