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Release 1.1.37.
[wine/gsoc-2012-control.git] / dlls / winhttp / request.c
blobf6c9bceffff5cb75cfc3f0444a0b9cf83289e738
1 /*
2 * Copyright 2004 Mike McCormack for CodeWeavers
3 * Copyright 2006 Rob Shearman for CodeWeavers
4 * Copyright 2008 Hans Leidekker for CodeWeavers
5 * Copyright 2009 Juan Lang
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24 #include "wine/debug.h"
25
26 #include <stdarg.h>
27 #ifdef HAVE_ARPA_INET_H
28 # include <arpa/inet.h>
29 #endif
30
31 #include "windef.h"
32 #include "winbase.h"
33 #include "winhttp.h"
34
35 #include "winhttp_private.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
38
39 static const WCHAR attr_accept[] = {'A','c','c','e','p','t',0};
40 static const WCHAR attr_accept_charset[] = {'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0};
41 static const WCHAR attr_accept_encoding[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0};
42 static const WCHAR attr_accept_language[] = {'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0};
43 static const WCHAR attr_accept_ranges[] = {'A','c','c','e','p','t','-','R','a','n','g','e','s',0};
44 static const WCHAR attr_age[] = {'A','g','e',0};
45 static const WCHAR attr_allow[] = {'A','l','l','o','w',0};
46 static const WCHAR attr_authorization[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',0};
47 static const WCHAR attr_cache_control[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l',0};
48 static const WCHAR attr_connection[] = {'C','o','n','n','e','c','t','i','o','n',0};
49 static const WCHAR attr_content_base[] = {'C','o','n','t','e','n','t','-','B','a','s','e',0};
50 static const WCHAR attr_content_encoding[] = {'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0};
51 static const WCHAR attr_content_id[] = {'C','o','n','t','e','n','t','-','I','D',0};
52 static const WCHAR attr_content_language[] = {'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0};
53 static const WCHAR attr_content_length[] = {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0};
54 static const WCHAR attr_content_location[] = {'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0};
55 static const WCHAR attr_content_md5[] = {'C','o','n','t','e','n','t','-','M','D','5',0};
56 static const WCHAR attr_content_range[] = {'C','o','n','t','e','n','t','-','R','a','n','g','e',0};
57 static const WCHAR attr_content_transfer_encoding[] = {'C','o','n','t','e','n','t','-','T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
58 static const WCHAR attr_content_type[] = {'C','o','n','t','e','n','t','-','T','y','p','e',0};
59 static const WCHAR attr_cookie[] = {'C','o','o','k','i','e',0};
60 static const WCHAR attr_date[] = {'D','a','t','e',0};
61 static const WCHAR attr_from[] = {'F','r','o','m',0};
62 static const WCHAR attr_etag[] = {'E','T','a','g',0};
63 static const WCHAR attr_expect[] = {'E','x','p','e','c','t',0};
64 static const WCHAR attr_expires[] = {'E','x','p','i','r','e','s',0};
65 static const WCHAR attr_host[] = {'H','o','s','t',0};
66 static const WCHAR attr_if_match[] = {'I','f','-','M','a','t','c','h',0};
67 static const WCHAR attr_if_modified_since[] = {'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
68 static const WCHAR attr_if_none_match[] = {'I','f','-','N','o','n','e','-','M','a','t','c','h',0};
69 static const WCHAR attr_if_range[] = {'I','f','-','R','a','n','g','e',0};
70 static const WCHAR attr_if_unmodified_since[] = {'I','f','-','U','n','m','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
71 static const WCHAR attr_last_modified[] = {'L','a','s','t','-','M','o','d','i','f','i','e','d',0};
72 static const WCHAR attr_location[] = {'L','o','c','a','t','i','o','n',0};
73 static const WCHAR attr_max_forwards[] = {'M','a','x','-','F','o','r','w','a','r','d','s',0};
74 static const WCHAR attr_mime_version[] = {'M','i','m','e','-','V','e','r','s','i','o','n',0};
75 static const WCHAR attr_pragma[] = {'P','r','a','g','m','a',0};
76 static const WCHAR attr_proxy_authenticate[] = {'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
77 static const WCHAR attr_proxy_authorization[] = {'P','r','o','x','y','-','A','u','t','h','o','r','i','z','a','t','i','o','n',0};
78 static const WCHAR attr_proxy_connection[] = {'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0};
79 static const WCHAR attr_public[] = {'P','u','b','l','i','c',0};
80 static const WCHAR attr_range[] = {'R','a','n','g','e',0};
81 static const WCHAR attr_referer[] = {'R','e','f','e','r','e','r',0};
82 static const WCHAR attr_retry_after[] = {'R','e','t','r','y','-','A','f','t','e','r',0};
83 static const WCHAR attr_server[] = {'S','e','r','v','e','r',0};
84 static const WCHAR attr_set_cookie[] = {'S','e','t','-','C','o','o','k','i','e',0};
85 static const WCHAR attr_status[] = {'S','t','a','t','u','s',0};
86 static const WCHAR attr_transfer_encoding[] = {'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
87 static const WCHAR attr_unless_modified_since[] = {'U','n','l','e','s','s','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
88 static const WCHAR attr_upgrade[] = {'U','p','g','r','a','d','e',0};
89 static const WCHAR attr_uri[] = {'U','R','I',0};
90 static const WCHAR attr_user_agent[] = {'U','s','e','r','-','A','g','e','n','t',0};
91 static const WCHAR attr_vary[] = {'V','a','r','y',0};
92 static const WCHAR attr_via[] = {'V','i','a',0};
93 static const WCHAR attr_warning[] = {'W','a','r','n','i','n','g',0};
94 static const WCHAR attr_www_authenticate[] = {'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
95
96 static const WCHAR *attribute_table[] =
97 {
98 attr_mime_version, /* WINHTTP_QUERY_MIME_VERSION = 0 */
99 attr_content_type, /* WINHTTP_QUERY_CONTENT_TYPE = 1 */
100 attr_content_transfer_encoding, /* WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */
101 attr_content_id, /* WINHTTP_QUERY_CONTENT_ID = 3 */
102 NULL, /* WINHTTP_QUERY_CONTENT_DESCRIPTION = 4 */
103 attr_content_length, /* WINHTTP_QUERY_CONTENT_LENGTH = 5 */
104 attr_content_language, /* WINHTTP_QUERY_CONTENT_LANGUAGE = 6 */
105 attr_allow, /* WINHTTP_QUERY_ALLOW = 7 */
106 attr_public, /* WINHTTP_QUERY_PUBLIC = 8 */
107 attr_date, /* WINHTTP_QUERY_DATE = 9 */
108 attr_expires, /* WINHTTP_QUERY_EXPIRES = 10 */
109 attr_last_modified, /* WINHTTP_QUERY_LAST_MODIFIEDcw = 11 */
110 NULL, /* WINHTTP_QUERY_MESSAGE_ID = 12 */
111 attr_uri, /* WINHTTP_QUERY_URI = 13 */
112 attr_from, /* WINHTTP_QUERY_DERIVED_FROM = 14 */
113 NULL, /* WINHTTP_QUERY_COST = 15 */
114 NULL, /* WINHTTP_QUERY_LINK = 16 */
115 attr_pragma, /* WINHTTP_QUERY_PRAGMA = 17 */
116 NULL, /* WINHTTP_QUERY_VERSION = 18 */
117 attr_status, /* WINHTTP_QUERY_STATUS_CODE = 19 */
118 NULL, /* WINHTTP_QUERY_STATUS_TEXT = 20 */
119 NULL, /* WINHTTP_QUERY_RAW_HEADERS = 21 */
120 NULL, /* WINHTTP_QUERY_RAW_HEADERS_CRLF = 22 */
121 attr_connection, /* WINHTTP_QUERY_CONNECTION = 23 */
122 attr_accept, /* WINHTTP_QUERY_ACCEPT = 24 */
123 attr_accept_charset, /* WINHTTP_QUERY_ACCEPT_CHARSET = 25 */
124 attr_accept_encoding, /* WINHTTP_QUERY_ACCEPT_ENCODING = 26 */
125 attr_accept_language, /* WINHTTP_QUERY_ACCEPT_LANGUAGE = 27 */
126 attr_authorization, /* WINHTTP_QUERY_AUTHORIZATION = 28 */
127 attr_content_encoding, /* WINHTTP_QUERY_CONTENT_ENCODING = 29 */
128 NULL, /* WINHTTP_QUERY_FORWARDED = 30 */
129 NULL, /* WINHTTP_QUERY_FROM = 31 */
130 attr_if_modified_since, /* WINHTTP_QUERY_IF_MODIFIED_SINCE = 32 */
131 attr_location, /* WINHTTP_QUERY_LOCATION = 33 */
132 NULL, /* WINHTTP_QUERY_ORIG_URI = 34 */
133 attr_referer, /* WINHTTP_QUERY_REFERER = 35 */
134 attr_retry_after, /* WINHTTP_QUERY_RETRY_AFTER = 36 */
135 attr_server, /* WINHTTP_QUERY_SERVER = 37 */
136 NULL, /* WINHTTP_TITLE = 38 */
137 attr_user_agent, /* WINHTTP_QUERY_USER_AGENT = 39 */
138 attr_www_authenticate, /* WINHTTP_QUERY_WWW_AUTHENTICATE = 40 */
139 attr_proxy_authenticate, /* WINHTTP_QUERY_PROXY_AUTHENTICATE = 41 */
140 attr_accept_ranges, /* WINHTTP_QUERY_ACCEPT_RANGES = 42 */
141 attr_set_cookie, /* WINHTTP_QUERY_SET_COOKIE = 43 */
142 attr_cookie, /* WINHTTP_QUERY_COOKIE = 44 */
143 NULL, /* WINHTTP_QUERY_REQUEST_METHOD = 45 */
144 NULL, /* WINHTTP_QUERY_REFRESH = 46 */
145 NULL, /* WINHTTP_QUERY_CONTENT_DISPOSITION = 47 */
146 attr_age, /* WINHTTP_QUERY_AGE = 48 */
147 attr_cache_control, /* WINHTTP_QUERY_CACHE_CONTROL = 49 */
148 attr_content_base, /* WINHTTP_QUERY_CONTENT_BASE = 50 */
149 attr_content_location, /* WINHTTP_QUERY_CONTENT_LOCATION = 51 */
150 attr_content_md5, /* WINHTTP_QUERY_CONTENT_MD5 = 52 */
151 attr_content_range, /* WINHTTP_QUERY_CONTENT_RANGE = 53 */
152 attr_etag, /* WINHTTP_QUERY_ETAG = 54 */
153 attr_host, /* WINHTTP_QUERY_HOST = 55 */
154 attr_if_match, /* WINHTTP_QUERY_IF_MATCH = 56 */
155 attr_if_none_match, /* WINHTTP_QUERY_IF_NONE_MATCH = 57 */
156 attr_if_range, /* WINHTTP_QUERY_IF_RANGE = 58 */
157 attr_if_unmodified_since, /* WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */
158 attr_max_forwards, /* WINHTTP_QUERY_MAX_FORWARDS = 60 */
159 attr_proxy_authorization, /* WINHTTP_QUERY_PROXY_AUTHORIZATION = 61 */
160 attr_range, /* WINHTTP_QUERY_RANGE = 62 */
161 attr_transfer_encoding, /* WINHTTP_QUERY_TRANSFER_ENCODING = 63 */
162 attr_upgrade, /* WINHTTP_QUERY_UPGRADE = 64 */
163 attr_vary, /* WINHTTP_QUERY_VARY = 65 */
164 attr_via, /* WINHTTP_QUERY_VIA = 66 */
165 attr_warning, /* WINHTTP_QUERY_WARNING = 67 */
166 attr_expect, /* WINHTTP_QUERY_EXPECT = 68 */
167 attr_proxy_connection, /* WINHTTP_QUERY_PROXY_CONNECTION = 69 */
168 attr_unless_modified_since, /* WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */
169 NULL, /* WINHTTP_QUERY_PROXY_SUPPORT = 75 */
170 NULL, /* WINHTTP_QUERY_AUTHENTICATION_INFO = 76 */
171 NULL, /* WINHTTP_QUERY_PASSPORT_URLS = 77 */
172 NULL /* WINHTTP_QUERY_PASSPORT_CONFIG = 78 */
173 };
174
175 static DWORD CALLBACK task_thread( LPVOID param )
176 {
177 task_header_t *task = param;
178
179 task->proc( task );
180
181 release_object( &task->request->hdr );
182 heap_free( task );
183 return ERROR_SUCCESS;
184 }
185
186 static BOOL queue_task( task_header_t *task )
187 {
188 return QueueUserWorkItem( task_thread, task, WT_EXECUTELONGFUNCTION );
189 }
190
191 static void free_header( header_t *header )
192 {
193 heap_free( header->field );
194 heap_free( header->value );
195 heap_free( header );
196 }
197
198 static BOOL valid_token_char( WCHAR c )
199 {
200 if (c < 32 || c == 127) return FALSE;
201 switch (c)
202 {
203 case '(': case ')':
204 case '<': case '>':
205 case '@': case ',':
206 case ';': case ':':
207 case '\\': case '\"':
208 case '/': case '[':
209 case ']': case '?':
210 case '=': case '{':
211 case '}': case ' ':
212 case '\t':
213 return FALSE;
214 default:
215 return TRUE;
216 }
217 }
218
219 static header_t *parse_header( LPCWSTR string )
220 {
221 const WCHAR *p, *q;
222 header_t *header;
223 int len;
224
225 p = string;
226 if (!(q = strchrW( p, ':' )))
227 {
228 WARN("no ':' in line %s\n", debugstr_w(string));
229 return NULL;
230 }
231 if (q == string)
232 {
233 WARN("empty field name in line %s\n", debugstr_w(string));
234 return NULL;
235 }
236 while (*p != ':')
237 {
238 if (!valid_token_char( *p ))
239 {
240 WARN("invalid character in field name %s\n", debugstr_w(string));
241 return NULL;
242 }
243 p++;
244 }
245 len = q - string;
246 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
247 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
248 {
249 heap_free( header );
250 return NULL;
251 }
252 memcpy( header->field, string, len * sizeof(WCHAR) );
253 header->field[len] = 0;
254
255 q++; /* skip past colon */
256 while (*q == ' ') q++;
257 if (!*q)
258 {
259 WARN("no value in line %s\n", debugstr_w(string));
260 return header;
261 }
262 len = strlenW( q );
263 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
264 {
265 free_header( header );
266 return NULL;
267 }
268 memcpy( header->value, q, len * sizeof(WCHAR) );
269 header->value[len] = 0;
270
271 return header;
272 }
273
274 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
275 {
276 int index;
277
278 TRACE("%s\n", debugstr_w(field));
279
280 for (index = 0; index < request->num_headers; index++)
281 {
282 if (strcmpiW( request->headers[index].field, field )) continue;
283 if (request_only && !request->headers[index].is_request) continue;
284 if (!request_only && request->headers[index].is_request) continue;
285
286 if (!requested_index) break;
287 requested_index--;
288 }
289 if (index >= request->num_headers) index = -1;
290 TRACE("returning %d\n", index);
291 return index;
292 }
293
294 static BOOL insert_header( request_t *request, header_t *header )
295 {
296 DWORD count;
297 header_t *hdrs;
298
299 count = request->num_headers + 1;
300 if (count > 1)
301 hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count );
302 else
303 hdrs = heap_alloc_zero( sizeof(header_t) * count );
304
305 if (hdrs)
306 {
307 request->headers = hdrs;
308 request->headers[count - 1].field = strdupW( header->field );
309 request->headers[count - 1].value = strdupW( header->value );
310 request->headers[count - 1].is_request = header->is_request;
311 request->num_headers++;
312 return TRUE;
313 }
314 return FALSE;
315 }
316
317 static BOOL delete_header( request_t *request, DWORD index )
318 {
319 if (!request->num_headers) return FALSE;
320 if (index >= request->num_headers) return FALSE;
321 request->num_headers--;
322
323 heap_free( request->headers[index].field );
324 heap_free( request->headers[index].value );
325
326 memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) );
327 memset( &request->headers[request->num_headers], 0, sizeof(header_t) );
328 return TRUE;
329 }
330
331 static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only )
332 {
333 int index;
334 header_t *header;
335
336 TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags);
337
338 /* replace wins out over add */
339 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD;
340
341 if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1;
342 else
343 index = get_header_index( request, field, 0, request_only );
344
345 if (index >= 0)
346 {
347 if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE;
348 header = &request->headers[index];
349 }
350 else if (value)
351 {
352 header_t hdr;
353
354 hdr.field = (LPWSTR)field;
355 hdr.value = (LPWSTR)value;
356 hdr.is_request = request_only;
357
358 return insert_header( request, &hdr );
359 }
360 /* no value to delete */
361 else return TRUE;
362
363 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE)
364 {
365 delete_header( request, index );
366 if (value)
367 {
368 header_t hdr;
369
370 hdr.field = (LPWSTR)field;
371 hdr.value = (LPWSTR)value;
372 hdr.is_request = request_only;
373
374 return insert_header( request, &hdr );
375 }
376 return TRUE;
377 }
378 else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON))
379 {
380 WCHAR sep, *tmp;
381 int len, orig_len, value_len;
382
383 orig_len = strlenW( header->value );
384 value_len = strlenW( value );
385
386 if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ',';
387 else sep = ';';
388
389 len = orig_len + value_len + 2;
390 if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) )))
391 {
392 header->value = tmp;
393
394 header->value[orig_len] = sep;
395 orig_len++;
396 header->value[orig_len] = ' ';
397 orig_len++;
398
399 memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) );
400 header->value[len] = 0;
401 return TRUE;
402 }
403 }
404 return TRUE;
405 }
406
407 BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags )
408 {
409 BOOL ret = FALSE;
410 WCHAR *buffer, *p, *q;
411 header_t *header;
412
413 if (len == ~0u) len = strlenW( headers );
414 if (!len) return TRUE;
415 if (!(buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return FALSE;
416 strcpyW( buffer, headers );
417
418 p = buffer;
419 do
420 {
421 q = p;
422 while (*q)
423 {
424 if (q[0] == '\r' && q[1] == '\n') break;
425 q++;
426 }
427 if (!*p) break;
428 if (*q == '\r')
429 {
430 *q = 0;
431 q += 2; /* jump over \r\n */
432 }
433 if ((header = parse_header( p )))
434 {
435 ret = process_header( request, header->field, header->value, flags, TRUE );
436 free_header( header );
437 }
438 p = q;
439 } while (ret);
440
441 heap_free( buffer );
442 return ret;
443 }
444
445 /***********************************************************************
446 * WinHttpAddRequestHeaders (winhttp.@)
447 */
448 BOOL WINAPI WinHttpAddRequestHeaders( HINTERNET hrequest, LPCWSTR headers, DWORD len, DWORD flags )
449 {
450 BOOL ret;
451 request_t *request;
452
453 TRACE("%p, %s, 0x%x, 0x%08x\n", hrequest, debugstr_w(headers), len, flags);
454
455 if (!headers)
456 {
457 set_last_error( ERROR_INVALID_PARAMETER );
458 return FALSE;
459 }
460 if (!(request = (request_t *)grab_object( hrequest )))
461 {
462 set_last_error( ERROR_INVALID_HANDLE );
463 return FALSE;
464 }
465 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
466 {
467 release_object( &request->hdr );
468 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
469 return FALSE;
470 }
471
472 ret = add_request_headers( request, headers, len, flags );
473
474 release_object( &request->hdr );
475 return ret;
476 }
477
478 static WCHAR *build_request_path( request_t *request )
479 {
480 WCHAR *ret;
481
482 if (strcmpiW( request->connect->hostname, request->connect->servername ))
483 {
484 static const WCHAR http[] = { 'h','t','t','p',0 };
485 static const WCHAR https[] = { 'h','t','t','p','s',0 };
486 static const WCHAR fmt[] = { '%','s',':','/','/','%','s',0 };
487 LPCWSTR scheme = request->netconn.secure ? https : http;
488 int len;
489
490 len = strlenW( scheme ) + strlenW( request->connect->hostname );
491 /* 3 characters for '://', 1 for NUL. */
492 len += 4;
493 if (request->connect->hostport)
494 {
495 /* 1 for ':' between host and port, up to 5 for port */
496 len += 6;
497 }
498 if (request->path)
499 len += strlenW( request->path );
500 if ((ret = heap_alloc( len * sizeof(WCHAR) )))
501 {
502 sprintfW( ret, fmt, scheme, request->connect->hostname );
503 if (request->connect->hostport)
504 {
505 static const WCHAR colonFmt[] = { ':','%','d',0 };
506
507 sprintfW( ret + strlenW( ret ), colonFmt,
508 request->connect->hostport );
509 }
510 if (request->path)
511 strcatW( ret, request->path );
512 }
513 }
514 else
515 ret = request->path;
516 return ret;
517 }
518
519 static WCHAR *build_request_string( request_t *request )
520 {
521 static const WCHAR space[] = {' ',0};
522 static const WCHAR crlf[] = {'\r','\n',0};
523 static const WCHAR colon[] = {':',' ',0};
524 static const WCHAR twocrlf[] = {'\r','\n','\r','\n',0};
525
526 WCHAR *path, *ret;
527 const WCHAR **headers, **p;
528 unsigned int len, i = 0, j;
529
530 /* allocate space for an array of all the string pointers to be added */
531 len = request->num_headers * 4 + 7;
532 if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL;
533
534 path = build_request_path( request );
535 headers[i++] = request->verb;
536 headers[i++] = space;
537 headers[i++] = path;
538 headers[i++] = space;
539 headers[i++] = request->version;
540
541 for (j = 0; j < request->num_headers; j++)
542 {
543 if (request->headers[j].is_request)
544 {
545 headers[i++] = crlf;
546 headers[i++] = request->headers[j].field;
547 headers[i++] = colon;
548 headers[i++] = request->headers[j].value;
549
550 TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field),
551 debugstr_w(request->headers[j].value));
552 }
553 }
554 headers[i++] = twocrlf;
555 headers[i] = NULL;
556
557 len = 0;
558 for (p = headers; *p; p++) len += strlenW( *p );
559 len++;
560
561 if (!(ret = heap_alloc( len * sizeof(WCHAR) )))
562 goto out;
563 *ret = 0;
564 for (p = headers; *p; p++) strcatW( ret, *p );
565
566 out:
567 if (path != request->path)
568 heap_free( path );
569 heap_free( headers );
570 return ret;
571 }
572
573 #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER)
574
575 static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
576 {
577 header_t *header = NULL;
578 BOOL request_only, ret = FALSE;
579 int requested_index, header_index = -1;
580 DWORD attr, len;
581
582 request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS;
583 requested_index = index ? *index : 0;
584
585 attr = level & ~QUERY_MODIFIER_MASK;
586 switch (attr)
587 {
588 case WINHTTP_QUERY_CUSTOM:
589 {
590 header_index = get_header_index( request, name, requested_index, request_only );
591 break;
592 }
593 case WINHTTP_QUERY_RAW_HEADERS:
594 {
595 WCHAR *headers, *p, *q;
596
597 if (request_only)
598 headers = build_request_string( request );
599 else
600 headers = request->raw_headers;
601
602 if (!(p = headers)) return FALSE;
603 for (len = 0; *p; p++) if (*p != '\r') len++;
604
605 if ((len + 1) * sizeof(WCHAR) > *buflen || !buffer)
606 {
607 len++;
608 set_last_error( ERROR_INSUFFICIENT_BUFFER );
609 }
610 else if (buffer)
611 {
612 for (p = headers, q = buffer; *p; p++, q++)
613 {
614 if (*p != '\r') *q = *p;
615 else
616 {
617 *q = 0;
618 p++; /* skip '\n' */
619 }
620 }
621 *q = 0;
622 TRACE("returning data: %s\n", debugstr_wn(buffer, len));
623 ret = TRUE;
624 }
625 *buflen = len * sizeof(WCHAR);
626 if (request_only) heap_free( headers );
627 return ret;
628 }
629 case WINHTTP_QUERY_RAW_HEADERS_CRLF:
630 {
631 WCHAR *headers;
632
633 if (request_only)
634 headers = build_request_string( request );
635 else
636 headers = request->raw_headers;
637
638 if (!headers) return FALSE;
639 len = strlenW( headers ) * sizeof(WCHAR);
640 if (len + sizeof(WCHAR) > *buflen || !buffer)
641 {
642 len += sizeof(WCHAR);
643 set_last_error( ERROR_INSUFFICIENT_BUFFER );
644 }
645 else if (buffer)
646 {
647 memcpy( buffer, headers, len + sizeof(WCHAR) );
648 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
649 ret = TRUE;
650 }
651 *buflen = len;
652 if (request_only) heap_free( headers );
653 return ret;
654 }
655 case WINHTTP_QUERY_VERSION:
656 {
657 DWORD len = (strlenW( request->version ) + 1) * sizeof(WCHAR);
658 if (len > *buflen)
659 {
660 set_last_error( ERROR_INSUFFICIENT_BUFFER );
661 *buflen = len;
662 return FALSE;
663 }
664 else if (buffer)
665 {
666 strcpyW( buffer, request->version );
667 TRACE("returning string: %s\n", debugstr_w(buffer));
668 ret = TRUE;
669 }
670 *buflen = len - sizeof(WCHAR);
671 return ret;
672 }
673 default:
674 {
675 if (attr >= sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
676 {
677 FIXME("attribute %u not implemented\n", attr);
678 return FALSE;
679 }
680 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
681 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
682 }
683 }
684
685 if (header_index >= 0)
686 {
687 header = &request->headers[header_index];
688 }
689 if (!header || (request_only && !header->is_request))
690 {
691 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
692 return FALSE;
693 }
694 if (index) *index += 1;
695 if (level & WINHTTP_QUERY_FLAG_NUMBER)
696 {
697 int *number = buffer;
698 if (sizeof(int) > *buflen)
699 {
700 set_last_error( ERROR_INSUFFICIENT_BUFFER );
701 }
702 else if (number)
703 {
704 *number = atoiW( header->value );
705 TRACE("returning number: %d\n", *number);
706 ret = TRUE;
707 }
708 *buflen = sizeof(int);
709 }
710 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
711 {
712 SYSTEMTIME *st = buffer;
713 if (sizeof(SYSTEMTIME) > *buflen)
714 {
715 set_last_error( ERROR_INSUFFICIENT_BUFFER );
716 }
717 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
718 {
719 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
720 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
721 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
722 }
723 *buflen = sizeof(SYSTEMTIME);
724 }
725 else if (header->value)
726 {
727 WCHAR *string = buffer;
728 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
729 if (len > *buflen)
730 {
731 set_last_error( ERROR_INSUFFICIENT_BUFFER );
732 *buflen = len;
733 return FALSE;
734 }
735 else if (string)
736 {
737 strcpyW( string, header->value );
738 TRACE("returning string: %s\n", debugstr_w(string));
739 ret = TRUE;
740 }
741 *buflen = len - sizeof(WCHAR);
742 }
743 return ret;
744 }
745
746 /***********************************************************************
747 * WinHttpQueryHeaders (winhttp.@)
748 */
749 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
750 {
751 BOOL ret;
752 request_t *request;
753
754 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
755
756 if (!(request = (request_t *)grab_object( hrequest )))
757 {
758 set_last_error( ERROR_INVALID_HANDLE );
759 return FALSE;
760 }
761 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
762 {
763 release_object( &request->hdr );
764 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
765 return FALSE;
766 }
767
768 ret = query_headers( request, level, name, buffer, buflen, index );
769
770 release_object( &request->hdr );
771 return ret;
772 }
773
774 static LPWSTR concatenate_string_list( LPCWSTR *list, int len )
775 {
776 LPCWSTR *t;
777 LPWSTR str;
778
779 for( t = list; *t ; t++ )
780 len += strlenW( *t );
781 len++;
782
783 str = heap_alloc( len * sizeof(WCHAR) );
784 if (!str) return NULL;
785 *str = 0;
786
787 for( t = list; *t ; t++ )
788 strcatW( str, *t );
789
790 return str;
791 }
792
793 static LPWSTR build_header_request_string( request_t *request, LPCWSTR verb,
794 LPCWSTR path, LPCWSTR version )
795 {
796 static const WCHAR crlf[] = {'\r','\n',0};
797 static const WCHAR space[] = { ' ',0 };
798 static const WCHAR colon[] = { ':',' ',0 };
799 static const WCHAR twocrlf[] = {'\r','\n','\r','\n', 0};
800 LPWSTR requestString;
801 DWORD len, n;
802 LPCWSTR *req;
803 UINT i;
804 LPWSTR p;
805
806 /* allocate space for an array of all the string pointers to be added */
807 len = (request->num_headers) * 4 + 10;
808 req = heap_alloc( len * sizeof(LPCWSTR) );
809 if (!req) return NULL;
810
811 /* add the verb, path and HTTP version string */
812 n = 0;
813 req[n++] = verb;
814 req[n++] = space;
815 req[n++] = path;
816 req[n++] = space;
817 req[n++] = version;
818
819 /* Append custom request headers */
820 for (i = 0; i < request->num_headers; i++)
821 {
822 if (request->headers[i].is_request)
823 {
824 req[n++] = crlf;
825 req[n++] = request->headers[i].field;
826 req[n++] = colon;
827 req[n++] = request->headers[i].value;
828
829 TRACE("Adding custom header %s (%s)\n",
830 debugstr_w(request->headers[i].field),
831 debugstr_w(request->headers[i].value));
832 }
833 }
834
835 if( n >= len )
836 ERR("oops. buffer overrun\n");
837
838 req[n] = NULL;
839 requestString = concatenate_string_list( req, 4 );
840 heap_free( req );
841 if (!requestString) return NULL;
842
843 /*
844 * Set (header) termination string for request
845 * Make sure there's exactly two new lines at the end of the request
846 */
847 p = &requestString[strlenW(requestString)-1];
848 while ( (*p == '\n') || (*p == '\r') )
849 p--;
850 strcpyW( p+1, twocrlf );
851
852 return requestString;
853 }
854
855 static BOOL read_reply( request_t *request );
856
857 static BOOL secure_proxy_connect( request_t *request )
858 {
859 static const WCHAR verbConnect[] = {'C','O','N','N','E','C','T',0};
860 static const WCHAR fmt[] = {'%','s',':','%','d',0};
861 BOOL ret = FALSE;
862 LPWSTR path;
863 connect_t *connect = request->connect;
864
865 path = heap_alloc( (strlenW( connect->hostname ) + 13) * sizeof(WCHAR) );
866 if (path)
867 {
868 LPWSTR requestString;
869
870 sprintfW( path, fmt, connect->hostname, connect->hostport );
871 requestString = build_header_request_string( request, verbConnect,
872 path, http1_1 );
873 heap_free( path );
874 if (requestString)
875 {
876 LPSTR req_ascii = strdupWA( requestString );
877
878 heap_free( requestString );
879 if (req_ascii)
880 {
881 int len = strlen( req_ascii ), bytes_sent;
882
883 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
884 heap_free( req_ascii );
885 if (ret)
886 ret = read_reply( request );
887 }
888 }
889 }
890 return ret;
891 }
892
893 #ifndef INET6_ADDRSTRLEN
894 #define INET6_ADDRSTRLEN 46
895 #endif
896
897 static BOOL open_connection( request_t *request )
898 {
899 connect_t *connect;
900 const void *addr;
901 char address[INET6_ADDRSTRLEN];
902 WCHAR *addressW;
903 INTERNET_PORT port;
904 socklen_t slen;
905
906 if (netconn_connected( &request->netconn )) return TRUE;
907
908 connect = request->connect;
909 port = connect->serverport ? connect->serverport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
910
911 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, connect->servername, strlenW(connect->servername) + 1 );
912
913 slen = sizeof(connect->sockaddr);
914 if (!netconn_resolve( connect->servername, port, (struct sockaddr *)&connect->sockaddr, &slen )) return FALSE;
915 switch (connect->sockaddr.ss_family)
916 {
917 case AF_INET:
918 addr = &((struct sockaddr_in *)&connect->sockaddr)->sin_addr;
919 break;
920 case AF_INET6:
921 addr = &((struct sockaddr_in6 *)&connect->sockaddr)->sin6_addr;
922 break;
923 default:
924 WARN("unsupported address family %d\n", connect->sockaddr.ss_family);
925 return FALSE;
926 }
927 inet_ntop( connect->sockaddr.ss_family, addr, address, sizeof(address) );
928 addressW = strdupAW( address );
929
930 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, addressW, strlenW(addressW) + 1 );
931
932 TRACE("connecting to %s:%u\n", address, port);
933
934 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
935
936 if (!netconn_create( &request->netconn, connect->sockaddr.ss_family, SOCK_STREAM, 0 ))
937 {
938 heap_free( addressW );
939 return FALSE;
940 }
941 netconn_set_timeout( &request->netconn, TRUE, request->send_timeout );
942 netconn_set_timeout( &request->netconn, FALSE, request->recv_timeout );
943 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, slen, request->connect_timeout ))
944 {
945 netconn_close( &request->netconn );
946 heap_free( addressW );
947 return FALSE;
948 }
949 if (request->hdr.flags & WINHTTP_FLAG_SECURE)
950 {
951 if (connect->session->proxy_server &&
952 strcmpiW( connect->hostname, connect->servername ))
953 {
954 if (!secure_proxy_connect( request ))
955 {
956 heap_free( addressW );
957 return FALSE;
958 }
959 }
960 if (!netconn_secure_connect( &request->netconn, connect->servername ))
961 {
962 netconn_close( &request->netconn );
963 heap_free( addressW );
964 return FALSE;
965 }
966 }
967
968 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, strlenW(addressW) + 1 );
969
970 heap_free( addressW );
971 return TRUE;
972 }
973
974 void close_connection( request_t *request )
975 {
976 if (!netconn_connected( &request->netconn )) return;
977
978 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
979 netconn_close( &request->netconn );
980 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
981 }
982
983 static BOOL add_host_header( request_t *request, DWORD modifier )
984 {
985 BOOL ret;
986 DWORD len;
987 WCHAR *host;
988 static const WCHAR fmt[] = {'%','s',':','%','u',0};
989 connect_t *connect = request->connect;
990 INTERNET_PORT port;
991
992 port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
993
994 if (port == INTERNET_DEFAULT_HTTP_PORT || port == INTERNET_DEFAULT_HTTPS_PORT)
995 {
996 return process_header( request, attr_host, connect->hostname, modifier, TRUE );
997 }
998 len = strlenW( connect->hostname ) + 7; /* sizeof(":65335") */
999 if (!(host = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1000 sprintfW( host, fmt, connect->hostname, port );
1001 ret = process_header( request, attr_host, host, modifier, TRUE );
1002 heap_free( host );
1003 return ret;
1004 }
1005
1006 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
1007 DWORD optional_len, DWORD total_len, DWORD_PTR context, BOOL async )
1008 {
1009 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
1010 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
1011 static const WCHAR length_fmt[] = {'%','l','d',0};
1012
1013 BOOL ret = FALSE;
1014 connect_t *connect = request->connect;
1015 session_t *session = connect->session;
1016 WCHAR *req = NULL;
1017 char *req_ascii;
1018 int bytes_sent;
1019 DWORD len;
1020
1021 if (session->agent)
1022 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1023
1024 if (connect->hostname)
1025 add_host_header( request, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW );
1026
1027 if (total_len || (request->verb && !strcmpW( request->verb, postW )))
1028 {
1029 WCHAR length[21]; /* decimal long int + null */
1030 sprintfW( length, length_fmt, total_len );
1031 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1032 }
1033 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE))
1034 {
1035 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1036 }
1037 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
1038 {
1039 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1040 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1041 }
1042 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
1043 {
1044 TRACE("failed to add request headers\n");
1045 return FALSE;
1046 }
1047 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES) && !add_cookie_headers( request ))
1048 {
1049 WARN("failed to add cookie headers\n");
1050 return FALSE;
1051 }
1052
1053 if (!(ret = open_connection( request ))) goto end;
1054 if (!(req = build_request_string( request ))) goto end;
1055
1056 if (!(req_ascii = strdupWA( req ))) goto end;
1057 TRACE("full request: %s\n", debugstr_a(req_ascii));
1058 len = strlen(req_ascii);
1059
1060 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
1061
1062 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
1063 heap_free( req_ascii );
1064 if (!ret) goto end;
1065
1066 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
1067 len += optional_len;
1068
1069 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
1070
1071 end:
1072 if (async)
1073 {
1074 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, NULL, 0 );
1075 else
1076 {
1077 WINHTTP_ASYNC_RESULT result;
1078 result.dwResult = API_SEND_REQUEST;
1079 result.dwError = get_last_error();
1080 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1081 }
1082 }
1083 heap_free( req );
1084 return ret;
1085 }
1086
1087 static void task_send_request( task_header_t *task )
1088 {
1089 send_request_t *s = (send_request_t *)task;
1090 send_request( s->hdr.request, s->headers, s->headers_len, s->optional, s->optional_len, s->total_len, s->context, TRUE );
1091 heap_free( s->headers );
1092 }
1093
1094 /***********************************************************************
1095 * WinHttpSendRequest (winhttp.@)
1096 */
1097 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
1098 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
1099 {
1100 BOOL ret;
1101 request_t *request;
1102
1103 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
1104 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
1105
1106 if (!(request = (request_t *)grab_object( hrequest )))
1107 {
1108 set_last_error( ERROR_INVALID_HANDLE );
1109 return FALSE;
1110 }
1111 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1112 {
1113 release_object( &request->hdr );
1114 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1115 return FALSE;
1116 }
1117
1118 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1119 {
1120 send_request_t *s;
1121
1122 if (!(s = heap_alloc( sizeof(send_request_t) ))) return FALSE;
1123 s->hdr.request = request;
1124 s->hdr.proc = task_send_request;
1125 s->headers = strdupW( headers );
1126 s->headers_len = headers_len;
1127 s->optional = optional;
1128 s->optional_len = optional_len;
1129 s->total_len = total_len;
1130 s->context = context;
1131
1132 addref_object( &request->hdr );
1133 ret = queue_task( (task_header_t *)s );
1134 }
1135 else
1136 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context, FALSE );
1137
1138 release_object( &request->hdr );
1139 return ret;
1140 }
1141
1142 static void clear_response_headers( request_t *request )
1143 {
1144 unsigned int i;
1145
1146 for (i = 0; i < request->num_headers; i++)
1147 {
1148 if (!request->headers[i].field) continue;
1149 if (!request->headers[i].value) continue;
1150 if (request->headers[i].is_request) continue;
1151 delete_header( request, i );
1152 i--;
1153 }
1154 }
1155
1156 #define MAX_REPLY_LEN 1460
1157 #define INITIAL_HEADER_BUFFER_LEN 512
1158
1159 static BOOL read_reply( request_t *request )
1160 {
1161 static const WCHAR crlf[] = {'\r','\n',0};
1162
1163 char buffer[MAX_REPLY_LEN];
1164 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
1165 char *status_code, *status_text;
1166 WCHAR *versionW, *status_textW, *raw_headers;
1167 WCHAR status_codeW[4]; /* sizeof("nnn") */
1168
1169 if (!netconn_connected( &request->netconn )) return FALSE;
1170
1171 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
1172
1173 received_len = 0;
1174 do
1175 {
1176 buflen = MAX_REPLY_LEN;
1177 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
1178 received_len += buflen;
1179
1180 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
1181 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
1182 status_code++;
1183 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
1184 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
1185 status_text++;
1186
1187 TRACE("version [%s] status code [%s] status text [%s]\n",
1188 debugstr_an(buffer, status_code - buffer - 1),
1189 debugstr_an(status_code, len),
1190 debugstr_a(status_text));
1191
1192 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
1193
1194 /* we rely on the fact that the protocol is ascii */
1195 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
1196 status_codeW[len] = 0;
1197 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
1198
1199 len = status_code - buffer;
1200 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1201 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
1202 versionW[len - 1] = 0;
1203
1204 heap_free( request->version );
1205 request->version = versionW;
1206
1207 len = buflen - (status_text - buffer);
1208 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1209 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
1210
1211 heap_free( request->status_text );
1212 request->status_text = status_textW;
1213
1214 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_LEN );
1215 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1216 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
1217 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
1218
1219 heap_free( request->raw_headers );
1220 request->raw_headers = raw_headers;
1221
1222 offset = buflen + crlf_len - 1;
1223 for (;;)
1224 {
1225 header_t *header;
1226
1227 buflen = MAX_REPLY_LEN;
1228 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
1229 received_len += buflen;
1230 if (!*buffer) break;
1231
1232 while (len - offset < buflen + crlf_len)
1233 {
1234 WCHAR *tmp;
1235 len *= 2;
1236 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
1237 request->raw_headers = raw_headers = tmp;
1238 }
1239 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
1240
1241 if (!(header = parse_header( raw_headers + offset ))) break;
1242 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
1243 {
1244 free_header( header );
1245 break;
1246 }
1247 free_header( header );
1248 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
1249 offset += buflen + crlf_len - 1;
1250 }
1251
1252 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
1253
1254 end:
1255 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
1256 return TRUE;
1257 }
1258
1259 static BOOL handle_redirect( request_t *request )
1260 {
1261 BOOL ret = FALSE;
1262 DWORD size, len;
1263 URL_COMPONENTS uc;
1264 connect_t *connect = request->connect;
1265 INTERNET_PORT port;
1266 WCHAR *hostname = NULL, *location = NULL;
1267 int index;
1268
1269 size = 0;
1270 query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL );
1271 if (!(location = heap_alloc( size ))) return FALSE;
1272 if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end;
1273
1274 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 );
1275
1276 memset( &uc, 0, sizeof(uc) );
1277 uc.dwStructSize = sizeof(uc);
1278 uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0u;
1279
1280 if (!WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc )) /* assume relative redirect */
1281 {
1282 WCHAR *path, *p;
1283
1284 len = strlenW( location ) + 1;
1285 if (location[0] != '/') len++;
1286 if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end;
1287
1288 if (location[0] != '/') *p++ = '/';
1289 strcpyW( p, location );
1290
1291 heap_free( request->path );
1292 request->path = path;
1293 }
1294 else
1295 {
1296 if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE)
1297 {
1298 TRACE("redirect from secure page to non-secure page\n");
1299 request->hdr.flags &= ~WINHTTP_FLAG_SECURE;
1300 }
1301 else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE))
1302 {
1303 TRACE("redirect from non-secure page to secure page\n");
1304 request->hdr.flags |= WINHTTP_FLAG_SECURE;
1305 }
1306
1307 len = uc.dwHostNameLength;
1308 if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1309 memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) );
1310 hostname[len] = 0;
1311
1312 port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80);
1313 if (strcmpiW( connect->hostname, hostname ) || connect->serverport != port)
1314 {
1315 heap_free( connect->hostname );
1316 connect->hostname = hostname;
1317 connect->hostport = port;
1318 if (!(ret = set_server_for_hostname( connect, hostname, port ))) goto end;
1319
1320 netconn_close( &request->netconn );
1321 if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end;
1322 }
1323 if (!(ret = add_host_header( request, WINHTTP_ADDREQ_FLAG_REPLACE ))) goto end;
1324 if (!(ret = open_connection( request ))) goto end;
1325
1326 heap_free( request->path );
1327 request->path = NULL;
1328 if (uc.dwUrlPathLength)
1329 {
1330 len = uc.dwUrlPathLength + uc.dwExtraInfoLength;
1331 if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1332 strcpyW( request->path, uc.lpszUrlPath );
1333 }
1334 else request->path = strdupW( slashW );
1335 }
1336
1337 /* remove content-type/length headers */
1338 if ((index = get_header_index( request, attr_content_type, 0, TRUE )) >= 0) delete_header( request, index );
1339 if ((index = get_header_index( request, attr_content_length, 0, TRUE )) >= 0 ) delete_header( request, index );
1340
1341 /* redirects are always GET requests */
1342 heap_free( request->verb );
1343 request->verb = strdupW( getW );
1344 ret = TRUE;
1345
1346 end:
1347 if (!ret) heap_free( hostname );
1348 heap_free( location );
1349 return ret;
1350 }
1351
1352 static BOOL receive_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1353 {
1354 DWORD to_read;
1355 int bytes_read;
1356
1357 to_read = min( size, request->content_length - request->content_read );
1358 if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1359 {
1360 if (bytes_read != to_read)
1361 {
1362 ERR("not all data received %d/%d\n", bytes_read, to_read);
1363 }
1364 /* always return success, even if the network layer returns an error */
1365 *read = 0;
1366 return TRUE;
1367 }
1368 request->content_read += bytes_read;
1369 *read = bytes_read;
1370 return TRUE;
1371 }
1372
1373 static DWORD get_chunk_size( const char *buffer )
1374 {
1375 const char *p;
1376 DWORD size = 0;
1377
1378 for (p = buffer; *p; p++)
1379 {
1380 if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0';
1381 else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10;
1382 else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10;
1383 else if (*p == ';') break;
1384 }
1385 return size;
1386 }
1387
1388 static BOOL receive_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1389 {
1390 char reply[MAX_REPLY_LEN], *p = buffer;
1391 DWORD buflen, to_read, to_write = size;
1392 int bytes_read;
1393
1394 *read = 0;
1395 for (;;)
1396 {
1397 if (*read == size) break;
1398
1399 if (request->content_length == ~0u) /* new chunk */
1400 {
1401 buflen = sizeof(reply);
1402 if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break;
1403
1404 if (!(request->content_length = get_chunk_size( reply )))
1405 {
1406 /* zero sized chunk marks end of transfer; read any trailing headers and return */
1407 read_reply( request );
1408 break;
1409 }
1410 }
1411 to_read = min( to_write, request->content_length - request->content_read );
1412
1413 if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1414 {
1415 if (bytes_read != to_read)
1416 {
1417 ERR("Not all data received %d/%d\n", bytes_read, to_read);
1418 }
1419 /* always return success, even if the network layer returns an error */
1420 *read = 0;
1421 break;
1422 }
1423 if (!bytes_read) break;
1424
1425 request->content_read += bytes_read;
1426 to_write -= bytes_read;
1427 *read += bytes_read;
1428 p += bytes_read;
1429
1430 if (request->content_read == request->content_length) /* chunk complete */
1431 {
1432 request->content_read = 0;
1433 request->content_length = ~0u;
1434
1435 buflen = sizeof(reply);
1436 if (!netconn_get_next_line( &request->netconn, reply, &buflen ))
1437 {
1438 ERR("Malformed chunk\n");
1439 *read = 0;
1440 break;
1441 }
1442 }
1443 }
1444 return TRUE;
1445 }
1446
1447 static void finished_reading( request_t *request )
1448 {
1449 static const WCHAR closeW[] = {'c','l','o','s','e',0};
1450
1451 BOOL close = FALSE;
1452 WCHAR connection[20];
1453 DWORD size = sizeof(connection);
1454
1455 if (request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE) close = TRUE;
1456 else if (query_headers( request, WINHTTP_QUERY_CONNECTION, NULL, connection, &size, NULL ) ||
1457 query_headers( request, WINHTTP_QUERY_PROXY_CONNECTION, NULL, connection, &size, NULL ))
1458 {
1459 if (!strcmpiW( connection, closeW )) close = TRUE;
1460 }
1461 else if (!strcmpW( request->version, http1_0 )) close = TRUE;
1462
1463 if (close) close_connection( request );
1464 request->content_length = ~0u;
1465 request->content_read = 0;
1466 }
1467
1468 static BOOL read_data( request_t *request, void *buffer, DWORD to_read, DWORD *read, BOOL async )
1469 {
1470 static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0};
1471
1472 BOOL ret;
1473 WCHAR encoding[20];
1474 DWORD num_bytes, buflen = sizeof(encoding);
1475
1476 if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) &&
1477 !strcmpiW( encoding, chunked ))
1478 {
1479 ret = receive_data_chunked( request, buffer, to_read, &num_bytes, async );
1480 }
1481 else
1482 ret = receive_data( request, buffer, to_read, &num_bytes, async );
1483
1484 if (async)
1485 {
1486 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_READ_COMPLETE, buffer, num_bytes );
1487 else
1488 {
1489 WINHTTP_ASYNC_RESULT result;
1490 result.dwResult = API_READ_DATA;
1491 result.dwError = get_last_error();
1492 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1493 }
1494 }
1495 if (ret)
1496 {
1497 if (read) *read = num_bytes;
1498 if (!num_bytes) finished_reading( request );
1499 }
1500 return ret;
1501 }
1502
1503 /* read any content returned by the server so that the connection can be reused */
1504 static void drain_content( request_t *request )
1505 {
1506 DWORD bytes_read;
1507 char buffer[2048];
1508
1509 if (!request->content_length) return;
1510 for (;;)
1511 {
1512 if (!read_data( request, buffer, sizeof(buffer), &bytes_read, FALSE ) || !bytes_read) return;
1513 }
1514 }
1515
1516 static void record_cookies( request_t *request )
1517 {
1518 unsigned int i;
1519
1520 for (i = 0; i < request->num_headers; i++)
1521 {
1522 header_t *set_cookie = &request->headers[i];
1523 if (!strcmpiW( set_cookie->field, attr_set_cookie ) && !set_cookie->is_request)
1524 {
1525 set_cookies( request, set_cookie->value );
1526 }
1527 }
1528 }
1529
1530 static BOOL receive_response( request_t *request, BOOL async )
1531 {
1532 BOOL ret;
1533 DWORD size, query, status;
1534
1535 for (;;)
1536 {
1537 if (!(ret = read_reply( request ))) break;
1538
1539 size = sizeof(DWORD);
1540 query = WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER;
1541 if (!(ret = query_headers( request, query, NULL, &status, &size, NULL ))) break;
1542
1543 size = sizeof(DWORD);
1544 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
1545 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
1546 request->content_length = ~0u;
1547
1548 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES)) record_cookies( request );
1549
1550 if (status == 301 || status == 302)
1551 {
1552 if (request->hdr.disable_flags & WINHTTP_DISABLE_REDIRECTS) break;
1553
1554 drain_content( request );
1555 if (!(ret = handle_redirect( request ))) break;
1556
1557 clear_response_headers( request );
1558 ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE ); /* recurse synchronously */
1559 continue;
1560 }
1561 if (status == 401) FIXME("authentication not supported\n");
1562 break;
1563 }
1564
1565 if (async)
1566 {
1567 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE, NULL, 0 );
1568 else
1569 {
1570 WINHTTP_ASYNC_RESULT result;
1571 result.dwResult = API_RECEIVE_RESPONSE;
1572 result.dwError = get_last_error();
1573 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1574 }
1575 }
1576 return ret;
1577 }
1578
1579 static void task_receive_response( task_header_t *task )
1580 {
1581 receive_response_t *r = (receive_response_t *)task;
1582 receive_response( r->hdr.request, TRUE );
1583 }
1584
1585 /***********************************************************************
1586 * WinHttpReceiveResponse (winhttp.@)
1587 */
1588 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
1589 {
1590 BOOL ret;
1591 request_t *request;
1592
1593 TRACE("%p, %p\n", hrequest, reserved);
1594
1595 if (!(request = (request_t *)grab_object( hrequest )))
1596 {
1597 set_last_error( ERROR_INVALID_HANDLE );
1598 return FALSE;
1599 }
1600 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1601 {
1602 release_object( &request->hdr );
1603 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1604 return FALSE;
1605 }
1606
1607 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1608 {
1609 receive_response_t *r;
1610
1611 if (!(r = heap_alloc( sizeof(receive_response_t) ))) return FALSE;
1612 r->hdr.request = request;
1613 r->hdr.proc = task_receive_response;
1614
1615 addref_object( &request->hdr );
1616 ret = queue_task( (task_header_t *)r );
1617 }
1618 else
1619 ret = receive_response( request, FALSE );
1620
1621 release_object( &request->hdr );
1622 return ret;
1623 }
1624
1625 static BOOL query_data( request_t *request, LPDWORD available, BOOL async )
1626 {
1627 BOOL ret;
1628 DWORD num_bytes;
1629
1630 if ((ret = netconn_query_data_available( &request->netconn, &num_bytes )))
1631 {
1632 if (request->content_read < request->content_length)
1633 {
1634 if (!num_bytes)
1635 {
1636 char buffer[4096];
1637 size_t to_read = min( sizeof(buffer), request->content_length - request->content_read );
1638
1639 ret = netconn_recv( &request->netconn, buffer, to_read, MSG_PEEK, (int *)&num_bytes );
1640 if (ret && !num_bytes) WARN("expected more data to be available\n");
1641 }
1642 }
1643 else if (num_bytes)
1644 {
1645 WARN("extra data available %u\n", num_bytes);
1646 ret = FALSE;
1647 }
1648 }
1649 TRACE("%u bytes available\n", num_bytes);
1650
1651 if (async)
1652 {
1653 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE, &num_bytes, sizeof(DWORD) );
1654 else
1655 {
1656 WINHTTP_ASYNC_RESULT result;
1657 result.dwResult = API_QUERY_DATA_AVAILABLE;
1658 result.dwError = get_last_error();
1659 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1660 }
1661 }
1662 if (ret && available) *available = num_bytes;
1663 return ret;
1664 }
1665
1666 static void task_query_data( task_header_t *task )
1667 {
1668 query_data_t *q = (query_data_t *)task;
1669 query_data( q->hdr.request, q->available, TRUE );
1670 }
1671
1672 /***********************************************************************
1673 * WinHttpQueryDataAvailable (winhttp.@)
1674 */
1675 BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
1676 {
1677 BOOL ret;
1678 request_t *request;
1679
1680 TRACE("%p, %p\n", hrequest, available);
1681
1682 if (!(request = (request_t *)grab_object( hrequest )))
1683 {
1684 set_last_error( ERROR_INVALID_HANDLE );
1685 return FALSE;
1686 }
1687 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1688 {
1689 release_object( &request->hdr );
1690 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1691 return FALSE;
1692 }
1693
1694 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1695 {
1696 query_data_t *q;
1697
1698 if (!(q = heap_alloc( sizeof(query_data_t) ))) return FALSE;
1699 q->hdr.request = request;
1700 q->hdr.proc = task_query_data;
1701 q->available = available;
1702
1703 addref_object( &request->hdr );
1704 ret = queue_task( (task_header_t *)q );
1705 }
1706 else
1707 ret = query_data( request, available, FALSE );
1708
1709 release_object( &request->hdr );
1710 return ret;
1711 }
1712
1713 static void task_read_data( task_header_t *task )
1714 {
1715 read_data_t *r = (read_data_t *)task;
1716 read_data( r->hdr.request, r->buffer, r->to_read, r->read, TRUE );
1717 }
1718
1719 /***********************************************************************
1720 * WinHttpReadData (winhttp.@)
1721 */
1722 BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read )
1723 {
1724 BOOL ret;
1725 request_t *request;
1726
1727 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read);
1728
1729 if (!(request = (request_t *)grab_object( hrequest )))
1730 {
1731 set_last_error( ERROR_INVALID_HANDLE );
1732 return FALSE;
1733 }
1734 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1735 {
1736 release_object( &request->hdr );
1737 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1738 return FALSE;
1739 }
1740
1741 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1742 {
1743 read_data_t *r;
1744
1745 if (!(r = heap_alloc( sizeof(read_data_t) ))) return FALSE;
1746 r->hdr.request = request;
1747 r->hdr.proc = task_read_data;
1748 r->buffer = buffer;
1749 r->to_read = to_read;
1750 r->read = read;
1751
1752 addref_object( &request->hdr );
1753 ret = queue_task( (task_header_t *)r );
1754 }
1755 else
1756 ret = read_data( request, buffer, to_read, read, FALSE );
1757
1758 release_object( &request->hdr );
1759 return ret;
1760 }
1761
1762 static BOOL write_data( request_t *request, LPCVOID buffer, DWORD to_write, LPDWORD written, BOOL async )
1763 {
1764 BOOL ret;
1765 int num_bytes;
1766
1767 ret = netconn_send( &request->netconn, buffer, to_write, 0, &num_bytes );
1768
1769 if (async)
1770 {
1771 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE, &num_bytes, sizeof(DWORD) );
1772 else
1773 {
1774 WINHTTP_ASYNC_RESULT result;
1775 result.dwResult = API_WRITE_DATA;
1776 result.dwError = get_last_error();
1777 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1778 }
1779 }
1780 if (ret && written) *written = num_bytes;
1781 return ret;
1782 }
1783
1784 static void task_write_data( task_header_t *task )
1785 {
1786 write_data_t *w = (write_data_t *)task;
1787 write_data( w->hdr.request, w->buffer, w->to_write, w->written, TRUE );
1788 }
1789
1790 /***********************************************************************
1791 * WinHttpWriteData (winhttp.@)
1792 */
1793 BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written )
1794 {
1795 BOOL ret;
1796 request_t *request;
1797
1798 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written);
1799
1800 if (!(request = (request_t *)grab_object( hrequest )))
1801 {
1802 set_last_error( ERROR_INVALID_HANDLE );
1803 return FALSE;
1804 }
1805 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1806 {
1807 release_object( &request->hdr );
1808 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1809 return FALSE;
1810 }
1811
1812 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1813 {
1814 write_data_t *w;
1815
1816 if (!(w = heap_alloc( sizeof(write_data_t) ))) return FALSE;
1817 w->hdr.request = request;
1818 w->hdr.proc = task_write_data;
1819 w->buffer = buffer;
1820 w->to_write = to_write;
1821 w->written = written;
1822
1823 addref_object( &request->hdr );
1824 ret = queue_task( (task_header_t *)w );
1825 }
1826 else
1827 ret = write_data( request, buffer, to_write, written, FALSE );
1828
1829 release_object( &request->hdr );
1830 return ret;
1831 }
1832
1833 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1834
1835 static DWORD auth_scheme_from_header( WCHAR *header )
1836 {
1837 static const WCHAR basic[] = {'B','a','s','i','c'};
1838 static const WCHAR ntlm[] = {'N','T','L','M'};
1839 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1840 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1841 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1842
1843 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1844 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1845
1846 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1847 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1848
1849 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1850 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1851
1852 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1853 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1854
1855 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1856 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1857
1858 return 0;
1859 }
1860
1861 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1862 {
1863 DWORD index = 0;
1864 BOOL ret = FALSE;
1865
1866 for (;;)
1867 {
1868 WCHAR *buffer;
1869 DWORD size, scheme;
1870
1871 size = 0;
1872 query_headers( request, level, NULL, NULL, &size, &index );
1873 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1874
1875 index--;
1876 if (!(buffer = heap_alloc( size ))) return FALSE;
1877 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1878 {
1879 heap_free( buffer );
1880 return FALSE;
1881 }
1882 scheme = auth_scheme_from_header( buffer );
1883 if (index == 1) *first = scheme;
1884 *supported |= scheme;
1885
1886 heap_free( buffer );
1887 ret = TRUE;
1888 }
1889 return ret;
1890 }
1891
1892 /***********************************************************************
1893 * WinHttpQueryAuthSchemes (winhttp.@)
1894 */
1895 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1896 {
1897 BOOL ret = FALSE;
1898 request_t *request;
1899
1900 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1901
1902 if (!(request = (request_t *)grab_object( hrequest )))
1903 {
1904 set_last_error( ERROR_INVALID_HANDLE );
1905 return FALSE;
1906 }
1907 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1908 {
1909 release_object( &request->hdr );
1910 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1911 return FALSE;
1912 }
1913
1914 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1915 {
1916 *target = WINHTTP_AUTH_TARGET_SERVER;
1917 ret = TRUE;
1918 }
1919 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1920 {
1921 *target = WINHTTP_AUTH_TARGET_PROXY;
1922 ret = TRUE;
1923 }
1924
1925 release_object( &request->hdr );
1926 return ret;
1927 }
1928
1929 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1930 {
1931 UINT n = 0, x;
1932 static const char base64enc[] =
1933 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1934
1935 while (len > 0)
1936 {
1937 /* first 6 bits, all from bin[0] */
1938 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1939 x = (bin[0] & 3) << 4;
1940
1941 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1942 if (len == 1)
1943 {
1944 base64[n++] = base64enc[x];
1945 base64[n++] = '=';
1946 base64[n++] = '=';
1947 break;
1948 }
1949 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1950 x = (bin[1] & 0x0f) << 2;
1951
1952 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1953 if (len == 2)
1954 {
1955 base64[n++] = base64enc[x];
1956 base64[n++] = '=';
1957 break;
1958 }
1959 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1960
1961 /* last 6 bits, all from bin [2] */
1962 base64[n++] = base64enc[bin[2] & 0x3f];
1963 bin += 3;
1964 len -= 3;
1965 }
1966 base64[n] = 0;
1967 return n;
1968 }
1969
1970 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1971 {
1972 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1973
1974 const WCHAR *auth_scheme, *auth_target;
1975 WCHAR *auth_header;
1976 DWORD len, auth_data_len;
1977 char *auth_data;
1978 BOOL ret;
1979
1980 switch (target)
1981 {
1982 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1983 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1984 default:
1985 WARN("unknown target %x\n", target);
1986 return FALSE;
1987 }
1988 switch (scheme)
1989 {
1990 case WINHTTP_AUTH_SCHEME_BASIC:
1991 {
1992 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1993 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1994
1995 TRACE("basic authentication\n");
1996
1997 auth_scheme = basic;
1998 auth_data_len = userlen + 1 + passlen;
1999 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
2000
2001 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
2002 auth_data[userlen] = ':';
2003 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
2004 break;
2005 }
2006 case WINHTTP_AUTH_SCHEME_NTLM:
2007 case WINHTTP_AUTH_SCHEME_PASSPORT:
2008 case WINHTTP_AUTH_SCHEME_DIGEST:
2009 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
2010 FIXME("unimplemented authentication scheme %x\n", scheme);
2011 return FALSE;
2012 default:
2013 WARN("unknown authentication scheme %x\n", scheme);
2014 return FALSE;
2015 }
2016
2017 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
2018 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
2019 {
2020 heap_free( auth_data );
2021 return FALSE;
2022 }
2023 strcpyW( auth_header, auth_scheme );
2024 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
2025
2026 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
2027
2028 heap_free( auth_data );
2029 heap_free( auth_header );
2030 return ret;
2031 }
2032
2033 /***********************************************************************
2034 * WinHttpSetCredentials (winhttp.@)
2035 */
2036 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
2037 LPCWSTR password, LPVOID params )
2038 {
2039 BOOL ret;
2040 request_t *request;
2041
2042 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
2043
2044 if (!(request = (request_t *)grab_object( hrequest )))
2045 {
2046 set_last_error( ERROR_INVALID_HANDLE );
2047 return FALSE;
2048 }
2049 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
2050 {
2051 release_object( &request->hdr );
2052 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
2053 return FALSE;
2054 }
2055
2056 ret = set_credentials( request, target, scheme, username, password );
2057
2058 release_object( &request->hdr );
2059 return ret;
2060 }
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