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push 862965e7f7bbbfb960006fcded9111ae18c06ef6
[wine/hacks.git] / dlls / winhttp / request.c
blob5704417a49c93a178f934fe248acfd66dd0bc3e7
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 #ifdef HAVE_SYS_SOCKET_H
31 # include <sys/socket.h>
32 #endif
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "winhttp.h"
37
38 #include "winhttp_private.h"
39
40 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
41
42 static const WCHAR attr_accept[] = {'A','c','c','e','p','t',0};
43 static const WCHAR attr_accept_charset[] = {'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0};
44 static const WCHAR attr_accept_encoding[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0};
45 static const WCHAR attr_accept_language[] = {'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0};
46 static const WCHAR attr_accept_ranges[] = {'A','c','c','e','p','t','-','R','a','n','g','e','s',0};
47 static const WCHAR attr_age[] = {'A','g','e',0};
48 static const WCHAR attr_allow[] = {'A','l','l','o','w',0};
49 static const WCHAR attr_authorization[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',0};
50 static const WCHAR attr_cache_control[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l',0};
51 static const WCHAR attr_connection[] = {'C','o','n','n','e','c','t','i','o','n',0};
52 static const WCHAR attr_content_base[] = {'C','o','n','t','e','n','t','-','B','a','s','e',0};
53 static const WCHAR attr_content_encoding[] = {'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0};
54 static const WCHAR attr_content_id[] = {'C','o','n','t','e','n','t','-','I','D',0};
55 static const WCHAR attr_content_language[] = {'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0};
56 static const WCHAR attr_content_length[] = {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0};
57 static const WCHAR attr_content_location[] = {'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0};
58 static const WCHAR attr_content_md5[] = {'C','o','n','t','e','n','t','-','M','D','5',0};
59 static const WCHAR attr_content_range[] = {'C','o','n','t','e','n','t','-','R','a','n','g','e',0};
60 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};
61 static const WCHAR attr_content_type[] = {'C','o','n','t','e','n','t','-','T','y','p','e',0};
62 static const WCHAR attr_cookie[] = {'C','o','o','k','i','e',0};
63 static const WCHAR attr_date[] = {'D','a','t','e',0};
64 static const WCHAR attr_from[] = {'F','r','o','m',0};
65 static const WCHAR attr_etag[] = {'E','T','a','g',0};
66 static const WCHAR attr_expect[] = {'E','x','p','e','c','t',0};
67 static const WCHAR attr_expires[] = {'E','x','p','i','r','e','s',0};
68 static const WCHAR attr_host[] = {'H','o','s','t',0};
69 static const WCHAR attr_if_match[] = {'I','f','-','M','a','t','c','h',0};
70 static const WCHAR attr_if_modified_since[] = {'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
71 static const WCHAR attr_if_none_match[] = {'I','f','-','N','o','n','e','-','M','a','t','c','h',0};
72 static const WCHAR attr_if_range[] = {'I','f','-','R','a','n','g','e',0};
73 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};
74 static const WCHAR attr_last_modified[] = {'L','a','s','t','-','M','o','d','i','f','i','e','d',0};
75 static const WCHAR attr_location[] = {'L','o','c','a','t','i','o','n',0};
76 static const WCHAR attr_max_forwards[] = {'M','a','x','-','F','o','r','w','a','r','d','s',0};
77 static const WCHAR attr_mime_version[] = {'M','i','m','e','-','V','e','r','s','i','o','n',0};
78 static const WCHAR attr_pragma[] = {'P','r','a','g','m','a',0};
79 static const WCHAR attr_proxy_authenticate[] = {'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
80 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};
81 static const WCHAR attr_proxy_connection[] = {'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0};
82 static const WCHAR attr_public[] = {'P','u','b','l','i','c',0};
83 static const WCHAR attr_range[] = {'R','a','n','g','e',0};
84 static const WCHAR attr_referer[] = {'R','e','f','e','r','e','r',0};
85 static const WCHAR attr_retry_after[] = {'R','e','t','r','y','-','A','f','t','e','r',0};
86 static const WCHAR attr_server[] = {'S','e','r','v','e','r',0};
87 static const WCHAR attr_set_cookie[] = {'S','e','t','-','C','o','o','k','i','e',0};
88 static const WCHAR attr_status[] = {'S','t','a','t','u','s',0};
89 static const WCHAR attr_transfer_encoding[] = {'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
90 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};
91 static const WCHAR attr_upgrade[] = {'U','p','g','r','a','d','e',0};
92 static const WCHAR attr_uri[] = {'U','R','I',0};
93 static const WCHAR attr_user_agent[] = {'U','s','e','r','-','A','g','e','n','t',0};
94 static const WCHAR attr_vary[] = {'V','a','r','y',0};
95 static const WCHAR attr_via[] = {'V','i','a',0};
96 static const WCHAR attr_warning[] = {'W','a','r','n','i','n','g',0};
97 static const WCHAR attr_www_authenticate[] = {'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
98
99 static const WCHAR *attribute_table[] =
100 {
101 attr_mime_version, /* WINHTTP_QUERY_MIME_VERSION = 0 */
102 attr_content_type, /* WINHTTP_QUERY_CONTENT_TYPE = 1 */
103 attr_content_transfer_encoding, /* WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */
104 attr_content_id, /* WINHTTP_QUERY_CONTENT_ID = 3 */
105 NULL, /* WINHTTP_QUERY_CONTENT_DESCRIPTION = 4 */
106 attr_content_length, /* WINHTTP_QUERY_CONTENT_LENGTH = 5 */
107 attr_content_language, /* WINHTTP_QUERY_CONTENT_LANGUAGE = 6 */
108 attr_allow, /* WINHTTP_QUERY_ALLOW = 7 */
109 attr_public, /* WINHTTP_QUERY_PUBLIC = 8 */
110 attr_date, /* WINHTTP_QUERY_DATE = 9 */
111 attr_expires, /* WINHTTP_QUERY_EXPIRES = 10 */
112 attr_last_modified, /* WINHTTP_QUERY_LAST_MODIFIEDcw = 11 */
113 NULL, /* WINHTTP_QUERY_MESSAGE_ID = 12 */
114 attr_uri, /* WINHTTP_QUERY_URI = 13 */
115 attr_from, /* WINHTTP_QUERY_DERIVED_FROM = 14 */
116 NULL, /* WINHTTP_QUERY_COST = 15 */
117 NULL, /* WINHTTP_QUERY_LINK = 16 */
118 attr_pragma, /* WINHTTP_QUERY_PRAGMA = 17 */
119 NULL, /* WINHTTP_QUERY_VERSION = 18 */
120 attr_status, /* WINHTTP_QUERY_STATUS_CODE = 19 */
121 NULL, /* WINHTTP_QUERY_STATUS_TEXT = 20 */
122 NULL, /* WINHTTP_QUERY_RAW_HEADERS = 21 */
123 NULL, /* WINHTTP_QUERY_RAW_HEADERS_CRLF = 22 */
124 attr_connection, /* WINHTTP_QUERY_CONNECTION = 23 */
125 attr_accept, /* WINHTTP_QUERY_ACCEPT = 24 */
126 attr_accept_charset, /* WINHTTP_QUERY_ACCEPT_CHARSET = 25 */
127 attr_accept_encoding, /* WINHTTP_QUERY_ACCEPT_ENCODING = 26 */
128 attr_accept_language, /* WINHTTP_QUERY_ACCEPT_LANGUAGE = 27 */
129 attr_authorization, /* WINHTTP_QUERY_AUTHORIZATION = 28 */
130 attr_content_encoding, /* WINHTTP_QUERY_CONTENT_ENCODING = 29 */
131 NULL, /* WINHTTP_QUERY_FORWARDED = 30 */
132 NULL, /* WINHTTP_QUERY_FROM = 31 */
133 attr_if_modified_since, /* WINHTTP_QUERY_IF_MODIFIED_SINCE = 32 */
134 attr_location, /* WINHTTP_QUERY_LOCATION = 33 */
135 NULL, /* WINHTTP_QUERY_ORIG_URI = 34 */
136 attr_referer, /* WINHTTP_QUERY_REFERER = 35 */
137 attr_retry_after, /* WINHTTP_QUERY_RETRY_AFTER = 36 */
138 attr_server, /* WINHTTP_QUERY_SERVER = 37 */
139 NULL, /* WINHTTP_TITLE = 38 */
140 attr_user_agent, /* WINHTTP_QUERY_USER_AGENT = 39 */
141 attr_www_authenticate, /* WINHTTP_QUERY_WWW_AUTHENTICATE = 40 */
142 attr_proxy_authenticate, /* WINHTTP_QUERY_PROXY_AUTHENTICATE = 41 */
143 attr_accept_ranges, /* WINHTTP_QUERY_ACCEPT_RANGES = 42 */
144 attr_set_cookie, /* WINHTTP_QUERY_SET_COOKIE = 43 */
145 attr_cookie, /* WINHTTP_QUERY_COOKIE = 44 */
146 NULL, /* WINHTTP_QUERY_REQUEST_METHOD = 45 */
147 NULL, /* WINHTTP_QUERY_REFRESH = 46 */
148 NULL, /* WINHTTP_QUERY_CONTENT_DISPOSITION = 47 */
149 attr_age, /* WINHTTP_QUERY_AGE = 48 */
150 attr_cache_control, /* WINHTTP_QUERY_CACHE_CONTROL = 49 */
151 attr_content_base, /* WINHTTP_QUERY_CONTENT_BASE = 50 */
152 attr_content_location, /* WINHTTP_QUERY_CONTENT_LOCATION = 51 */
153 attr_content_md5, /* WINHTTP_QUERY_CONTENT_MD5 = 52 */
154 attr_content_range, /* WINHTTP_QUERY_CONTENT_RANGE = 53 */
155 attr_etag, /* WINHTTP_QUERY_ETAG = 54 */
156 attr_host, /* WINHTTP_QUERY_HOST = 55 */
157 attr_if_match, /* WINHTTP_QUERY_IF_MATCH = 56 */
158 attr_if_none_match, /* WINHTTP_QUERY_IF_NONE_MATCH = 57 */
159 attr_if_range, /* WINHTTP_QUERY_IF_RANGE = 58 */
160 attr_if_unmodified_since, /* WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */
161 attr_max_forwards, /* WINHTTP_QUERY_MAX_FORWARDS = 60 */
162 attr_proxy_authorization, /* WINHTTP_QUERY_PROXY_AUTHORIZATION = 61 */
163 attr_range, /* WINHTTP_QUERY_RANGE = 62 */
164 attr_transfer_encoding, /* WINHTTP_QUERY_TRANSFER_ENCODING = 63 */
165 attr_upgrade, /* WINHTTP_QUERY_UPGRADE = 64 */
166 attr_vary, /* WINHTTP_QUERY_VARY = 65 */
167 attr_via, /* WINHTTP_QUERY_VIA = 66 */
168 attr_warning, /* WINHTTP_QUERY_WARNING = 67 */
169 attr_expect, /* WINHTTP_QUERY_EXPECT = 68 */
170 attr_proxy_connection, /* WINHTTP_QUERY_PROXY_CONNECTION = 69 */
171 attr_unless_modified_since, /* WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */
172 NULL, /* WINHTTP_QUERY_PROXY_SUPPORT = 75 */
173 NULL, /* WINHTTP_QUERY_AUTHENTICATION_INFO = 76 */
174 NULL, /* WINHTTP_QUERY_PASSPORT_URLS = 77 */
175 NULL /* WINHTTP_QUERY_PASSPORT_CONFIG = 78 */
176 };
177
178 static DWORD CALLBACK task_thread( LPVOID param )
179 {
180 task_header_t *task = param;
181
182 task->proc( task );
183
184 release_object( &task->request->hdr );
185 heap_free( task );
186 return ERROR_SUCCESS;
187 }
188
189 static BOOL queue_task( task_header_t *task )
190 {
191 return QueueUserWorkItem( task_thread, task, WT_EXECUTELONGFUNCTION );
192 }
193
194 static void free_header( header_t *header )
195 {
196 heap_free( header->field );
197 heap_free( header->value );
198 heap_free( header );
199 }
200
201 static BOOL valid_token_char( WCHAR c )
202 {
203 if (c < 32 || c == 127) return FALSE;
204 switch (c)
205 {
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 '}': case ' ':
215 case '\t':
216 return FALSE;
217 default:
218 return TRUE;
219 }
220 }
221
222 static header_t *parse_header( LPCWSTR string )
223 {
224 const WCHAR *p, *q;
225 header_t *header;
226 int len;
227
228 p = string;
229 if (!(q = strchrW( p, ':' )))
230 {
231 WARN("no ':' in line %s\n", debugstr_w(string));
232 return NULL;
233 }
234 if (q == string)
235 {
236 WARN("empty field name in line %s\n", debugstr_w(string));
237 return NULL;
238 }
239 while (*p != ':')
240 {
241 if (!valid_token_char( *p ))
242 {
243 WARN("invalid character in field name %s\n", debugstr_w(string));
244 return NULL;
245 }
246 p++;
247 }
248 len = q - string;
249 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
250 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
251 {
252 heap_free( header );
253 return NULL;
254 }
255 memcpy( header->field, string, len * sizeof(WCHAR) );
256 header->field[len] = 0;
257
258 q++; /* skip past colon */
259 while (*q == ' ') q++;
260 if (!*q)
261 {
262 WARN("no value in line %s\n", debugstr_w(string));
263 return header;
264 }
265 len = strlenW( q );
266 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
267 {
268 free_header( header );
269 return NULL;
270 }
271 memcpy( header->value, q, len * sizeof(WCHAR) );
272 header->value[len] = 0;
273
274 return header;
275 }
276
277 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
278 {
279 int index;
280
281 TRACE("%s\n", debugstr_w(field));
282
283 for (index = 0; index < request->num_headers; index++)
284 {
285 if (strcmpiW( request->headers[index].field, field )) continue;
286 if (request_only && !request->headers[index].is_request) continue;
287 if (!request_only && request->headers[index].is_request) continue;
288
289 if (!requested_index) break;
290 requested_index--;
291 }
292 if (index >= request->num_headers) index = -1;
293 TRACE("returning %d\n", index);
294 return index;
295 }
296
297 static BOOL insert_header( request_t *request, header_t *header )
298 {
299 DWORD count;
300 header_t *hdrs;
301
302 count = request->num_headers + 1;
303 if (count > 1)
304 hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count );
305 else
306 hdrs = heap_alloc_zero( sizeof(header_t) * count );
307
308 if (hdrs)
309 {
310 request->headers = hdrs;
311 request->headers[count - 1].field = strdupW( header->field );
312 request->headers[count - 1].value = strdupW( header->value );
313 request->headers[count - 1].is_request = header->is_request;
314 request->num_headers++;
315 return TRUE;
316 }
317 return FALSE;
318 }
319
320 static BOOL delete_header( request_t *request, DWORD index )
321 {
322 if (!request->num_headers) return FALSE;
323 if (index >= request->num_headers) return FALSE;
324 request->num_headers--;
325
326 heap_free( request->headers[index].field );
327 heap_free( request->headers[index].value );
328
329 memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) );
330 memset( &request->headers[request->num_headers], 0, sizeof(header_t) );
331 return TRUE;
332 }
333
334 static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only )
335 {
336 int index;
337 header_t *header;
338
339 TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags);
340
341 /* replace wins out over add */
342 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD;
343
344 if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1;
345 else
346 index = get_header_index( request, field, 0, request_only );
347
348 if (index >= 0)
349 {
350 if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE;
351 header = &request->headers[index];
352 }
353 else if (value)
354 {
355 header_t hdr;
356
357 hdr.field = (LPWSTR)field;
358 hdr.value = (LPWSTR)value;
359 hdr.is_request = request_only;
360
361 return insert_header( request, &hdr );
362 }
363 /* no value to delete */
364 else return TRUE;
365
366 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE)
367 {
368 delete_header( request, index );
369 if (value)
370 {
371 header_t hdr;
372
373 hdr.field = (LPWSTR)field;
374 hdr.value = (LPWSTR)value;
375 hdr.is_request = request_only;
376
377 return insert_header( request, &hdr );
378 }
379 return TRUE;
380 }
381 else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON))
382 {
383 WCHAR sep, *tmp;
384 int len, orig_len, value_len;
385
386 orig_len = strlenW( header->value );
387 value_len = strlenW( value );
388
389 if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ',';
390 else sep = ';';
391
392 len = orig_len + value_len + 2;
393 if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) )))
394 {
395 header->value = tmp;
396
397 header->value[orig_len] = sep;
398 orig_len++;
399 header->value[orig_len] = ' ';
400 orig_len++;
401
402 memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) );
403 header->value[len] = 0;
404 return TRUE;
405 }
406 }
407 return TRUE;
408 }
409
410 BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags )
411 {
412 BOOL ret = FALSE;
413 WCHAR *buffer, *p, *q;
414 header_t *header;
415
416 if (len == ~0u) len = strlenW( headers );
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[] = { ':','%','d',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 ((len + 1) * sizeof(WCHAR) > *buflen || !buffer)
608 {
609 len++;
610 set_last_error( ERROR_INSUFFICIENT_BUFFER );
611 }
612 else if (buffer)
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 (len + sizeof(WCHAR) > *buflen || !buffer)
643 {
644 len += sizeof(WCHAR);
645 set_last_error( ERROR_INSUFFICIENT_BUFFER );
646 }
647 else if (buffer)
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 default:
658 {
659 if (attr >= sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
660 {
661 FIXME("attribute %u not implemented\n", attr);
662 return FALSE;
663 }
664 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
665 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
666 }
667 }
668
669 if (header_index >= 0)
670 {
671 header = &request->headers[header_index];
672 }
673 if (!header || (request_only && !header->is_request))
674 {
675 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
676 return FALSE;
677 }
678 if (index) *index += 1;
679 if (level & WINHTTP_QUERY_FLAG_NUMBER)
680 {
681 int *number = buffer;
682 if (sizeof(int) > *buflen)
683 {
684 set_last_error( ERROR_INSUFFICIENT_BUFFER );
685 }
686 else if (number)
687 {
688 *number = atoiW( header->value );
689 TRACE("returning number: %d\n", *number);
690 ret = TRUE;
691 }
692 *buflen = sizeof(int);
693 }
694 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
695 {
696 SYSTEMTIME *st = buffer;
697 if (sizeof(SYSTEMTIME) > *buflen)
698 {
699 set_last_error( ERROR_INSUFFICIENT_BUFFER );
700 }
701 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
702 {
703 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
704 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
705 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
706 }
707 *buflen = sizeof(SYSTEMTIME);
708 }
709 else if (header->value)
710 {
711 WCHAR *string = buffer;
712 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
713 if (len > *buflen)
714 {
715 set_last_error( ERROR_INSUFFICIENT_BUFFER );
716 *buflen = len;
717 return FALSE;
718 }
719 else if (string)
720 {
721 strcpyW( string, header->value );
722 TRACE("returning string: %s\n", debugstr_w(string));
723 ret = TRUE;
724 }
725 *buflen = len - sizeof(WCHAR);
726 }
727 return ret;
728 }
729
730 /***********************************************************************
731 * WinHttpQueryHeaders (winhttp.@)
732 */
733 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
734 {
735 BOOL ret;
736 request_t *request;
737
738 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
739
740 if (!(request = (request_t *)grab_object( hrequest )))
741 {
742 set_last_error( ERROR_INVALID_HANDLE );
743 return FALSE;
744 }
745 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
746 {
747 release_object( &request->hdr );
748 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
749 return FALSE;
750 }
751
752 ret = query_headers( request, level, name, buffer, buflen, index );
753
754 release_object( &request->hdr );
755 return ret;
756 }
757
758 static LPWSTR concatenate_string_list( LPCWSTR *list, int len )
759 {
760 LPCWSTR *t;
761 LPWSTR str;
762
763 for( t = list; *t ; t++ )
764 len += strlenW( *t );
765 len++;
766
767 str = heap_alloc( len * sizeof(WCHAR) );
768 *str = 0;
769
770 for( t = list; *t ; t++ )
771 strcatW( str, *t );
772
773 return str;
774 }
775
776 static LPWSTR build_header_request_string( request_t *request, LPCWSTR verb,
777 LPCWSTR path, LPCWSTR version )
778 {
779 static const WCHAR crlf[] = {'\r','\n',0};
780 static const WCHAR space[] = { ' ',0 };
781 static const WCHAR colon[] = { ':',' ',0 };
782 static const WCHAR twocrlf[] = {'\r','\n','\r','\n', 0};
783 LPWSTR requestString;
784 DWORD len, n;
785 LPCWSTR *req;
786 UINT i;
787 LPWSTR p;
788
789 /* allocate space for an array of all the string pointers to be added */
790 len = (request->num_headers) * 4 + 10;
791 req = heap_alloc( len * sizeof(LPCWSTR) );
792
793 /* add the verb, path and HTTP version string */
794 n = 0;
795 req[n++] = verb;
796 req[n++] = space;
797 req[n++] = path;
798 req[n++] = space;
799 req[n++] = version;
800
801 /* Append custom request headers */
802 for (i = 0; i < request->num_headers; i++)
803 {
804 if (request->headers[i].is_request)
805 {
806 req[n++] = crlf;
807 req[n++] = request->headers[i].field;
808 req[n++] = colon;
809 req[n++] = request->headers[i].value;
810
811 TRACE("Adding custom header %s (%s)\n",
812 debugstr_w(request->headers[i].field),
813 debugstr_w(request->headers[i].value));
814 }
815 }
816
817 if( n >= len )
818 ERR("oops. buffer overrun\n");
819
820 req[n] = NULL;
821 requestString = concatenate_string_list( req, 4 );
822 heap_free( req );
823
824 /*
825 * Set (header) termination string for request
826 * Make sure there's exactly two new lines at the end of the request
827 */
828 p = &requestString[strlenW(requestString)-1];
829 while ( (*p == '\n') || (*p == '\r') )
830 p--;
831 strcpyW( p+1, twocrlf );
832
833 return requestString;
834 }
835
836 static BOOL read_reply( request_t *request );
837
838 static BOOL secure_proxy_connect( request_t *request )
839 {
840 static const WCHAR verbConnect[] = {'C','O','N','N','E','C','T',0};
841 static const WCHAR fmt[] = {'%','s',':','%','d',0};
842 static const WCHAR http1_1[] = {'H','T','T','P','/','1','.','1',0};
843 BOOL ret = FALSE;
844 LPWSTR path;
845 connect_t *connect = request->connect;
846
847 path = heap_alloc( (strlenW( connect->hostname ) + 13) * sizeof(WCHAR) );
848 if (path)
849 {
850 LPWSTR requestString;
851
852 sprintfW( path, fmt, connect->hostname, connect->hostport );
853 requestString = build_header_request_string( request, verbConnect,
854 path, http1_1 );
855 heap_free( path );
856 if (requestString)
857 {
858 LPSTR req_ascii = strdupWA( requestString );
859
860 heap_free( requestString );
861 if (req_ascii)
862 {
863 int len = strlen( req_ascii ), bytes_sent;
864
865 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
866 heap_free( req_ascii );
867 if (ret)
868 ret = read_reply( request );
869 }
870 }
871 }
872 return ret;
873 }
874
875 #ifndef INET6_ADDRSTRLEN
876 #define INET6_ADDRSTRLEN 46
877 #endif
878
879 static BOOL open_connection( request_t *request )
880 {
881 connect_t *connect;
882 const void *addr;
883 char address[INET6_ADDRSTRLEN];
884 WCHAR *addressW;
885 INTERNET_PORT port;
886 socklen_t slen;
887
888 if (netconn_connected( &request->netconn )) return TRUE;
889
890 connect = request->connect;
891 port = connect->serverport ? connect->serverport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
892
893 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, connect->servername, strlenW(connect->servername) + 1 );
894
895 slen = sizeof(connect->sockaddr);
896 if (!netconn_resolve( connect->servername, port, (struct sockaddr *)&connect->sockaddr, &slen )) return FALSE;
897 switch (connect->sockaddr.ss_family)
898 {
899 case AF_INET:
900 addr = &((struct sockaddr_in *)&connect->sockaddr)->sin_addr;
901 break;
902 case AF_INET6:
903 addr = &((struct sockaddr_in6 *)&connect->sockaddr)->sin6_addr;
904 break;
905 default:
906 WARN("unsupported address family %d\n", connect->sockaddr.ss_family);
907 return FALSE;
908 }
909 inet_ntop( connect->sockaddr.ss_family, addr, address, sizeof(address) );
910 addressW = strdupAW( address );
911
912 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, addressW, strlenW(addressW) + 1 );
913
914 TRACE("connecting to %s:%u\n", address, port);
915
916 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
917
918 if (!netconn_create( &request->netconn, connect->sockaddr.ss_family, SOCK_STREAM, 0 ))
919 {
920 heap_free( addressW );
921 return FALSE;
922 }
923 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, slen ))
924 {
925 netconn_close( &request->netconn );
926 heap_free( addressW );
927 return FALSE;
928 }
929 if (request->hdr.flags & WINHTTP_FLAG_SECURE)
930 {
931 if (connect->session->proxy_server &&
932 strcmpiW( connect->hostname, connect->servername ))
933 {
934 if (!secure_proxy_connect( request ))
935 {
936 heap_free( addressW );
937 return FALSE;
938 }
939 }
940 if (!netconn_secure_connect( &request->netconn ))
941 {
942 netconn_close( &request->netconn );
943 heap_free( addressW );
944 return FALSE;
945 }
946 }
947
948 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, strlenW(addressW) + 1 );
949
950 heap_free( addressW );
951 return TRUE;
952 }
953
954 void close_connection( request_t *request )
955 {
956 if (!netconn_connected( &request->netconn )) return;
957
958 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
959 netconn_close( &request->netconn );
960 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
961 }
962
963 static BOOL add_host_header( request_t *request, DWORD modifier )
964 {
965 BOOL ret;
966 DWORD len;
967 WCHAR *host;
968 static const WCHAR fmt[] = {'%','s',':','%','u',0};
969 connect_t *connect = request->connect;
970 INTERNET_PORT port;
971
972 port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
973
974 if (port == INTERNET_DEFAULT_HTTP_PORT || port == INTERNET_DEFAULT_HTTPS_PORT)
975 {
976 return process_header( request, attr_host, connect->hostname, modifier, TRUE );
977 }
978 len = strlenW( connect->hostname ) + 7; /* sizeof(":65335") */
979 if (!(host = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
980 sprintfW( host, fmt, connect->hostname, port );
981 ret = process_header( request, attr_host, host, modifier, TRUE );
982 heap_free( host );
983 return ret;
984 }
985
986 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
987 DWORD optional_len, DWORD total_len, DWORD_PTR context, BOOL async )
988 {
989 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
990 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
991 static const WCHAR length_fmt[] = {'%','l','d',0};
992
993 BOOL ret = FALSE;
994 connect_t *connect = request->connect;
995 session_t *session = connect->session;
996 WCHAR *req = NULL;
997 char *req_ascii;
998 int bytes_sent;
999 DWORD len;
1000
1001 if (session->agent)
1002 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1003
1004 if (connect->hostname)
1005 add_host_header( request, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW );
1006
1007 if (total_len || (request->verb && !strcmpW( request->verb, postW )))
1008 {
1009 WCHAR length[21]; /* decimal long int + null */
1010 sprintfW( length, length_fmt, total_len );
1011 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1012 }
1013 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE))
1014 {
1015 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1016 }
1017 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
1018 {
1019 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1020 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
1021 }
1022 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
1023 {
1024 TRACE("failed to add request headers\n");
1025 return FALSE;
1026 }
1027 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES) && !add_cookie_headers( request ))
1028 {
1029 WARN("failed to add cookie headers\n");
1030 return FALSE;
1031 }
1032
1033 if (!(ret = open_connection( request ))) goto end;
1034 if (!(req = build_request_string( request ))) goto end;
1035
1036 if (!(req_ascii = strdupWA( req ))) goto end;
1037 TRACE("full request: %s\n", debugstr_a(req_ascii));
1038 len = strlen(req_ascii);
1039
1040 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
1041
1042 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
1043 heap_free( req_ascii );
1044 if (!ret) goto end;
1045
1046 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
1047 len += optional_len;
1048
1049 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
1050
1051 end:
1052 if (async)
1053 {
1054 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, NULL, 0 );
1055 else
1056 {
1057 WINHTTP_ASYNC_RESULT result;
1058 result.dwResult = API_SEND_REQUEST;
1059 result.dwError = get_last_error();
1060 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1061 }
1062 }
1063 heap_free( req );
1064 return ret;
1065 }
1066
1067 static void task_send_request( task_header_t *task )
1068 {
1069 send_request_t *s = (send_request_t *)task;
1070 send_request( s->hdr.request, s->headers, s->headers_len, s->optional, s->optional_len, s->total_len, s->context, TRUE );
1071 heap_free( s->headers );
1072 }
1073
1074 /***********************************************************************
1075 * WinHttpSendRequest (winhttp.@)
1076 */
1077 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
1078 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
1079 {
1080 BOOL ret;
1081 request_t *request;
1082
1083 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
1084 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
1085
1086 if (!(request = (request_t *)grab_object( hrequest )))
1087 {
1088 set_last_error( ERROR_INVALID_HANDLE );
1089 return FALSE;
1090 }
1091 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1092 {
1093 release_object( &request->hdr );
1094 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1095 return FALSE;
1096 }
1097
1098 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1099 {
1100 send_request_t *s;
1101
1102 if (!(s = heap_alloc( sizeof(send_request_t) ))) return FALSE;
1103 s->hdr.request = request;
1104 s->hdr.proc = task_send_request;
1105 s->headers = strdupW( headers );
1106 s->headers_len = headers_len;
1107 s->optional = optional;
1108 s->optional_len = optional_len;
1109 s->total_len = total_len;
1110 s->context = context;
1111
1112 addref_object( &request->hdr );
1113 ret = queue_task( (task_header_t *)s );
1114 }
1115 else
1116 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context, FALSE );
1117
1118 release_object( &request->hdr );
1119 return ret;
1120 }
1121
1122 static void clear_response_headers( request_t *request )
1123 {
1124 unsigned int i;
1125
1126 for (i = 0; i < request->num_headers; i++)
1127 {
1128 if (!request->headers[i].field) continue;
1129 if (!request->headers[i].value) continue;
1130 if (request->headers[i].is_request) continue;
1131 delete_header( request, i );
1132 i--;
1133 }
1134 }
1135
1136 #define MAX_REPLY_LEN 1460
1137 #define INITIAL_HEADER_BUFFER_LEN 512
1138
1139 static BOOL read_reply( request_t *request )
1140 {
1141 static const WCHAR crlf[] = {'\r','\n',0};
1142
1143 char buffer[MAX_REPLY_LEN];
1144 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
1145 char *status_code, *status_text;
1146 WCHAR *versionW, *status_textW, *raw_headers;
1147 WCHAR status_codeW[4]; /* sizeof("nnn") */
1148
1149 if (!netconn_connected( &request->netconn )) return FALSE;
1150
1151 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
1152
1153 received_len = 0;
1154 do
1155 {
1156 buflen = MAX_REPLY_LEN;
1157 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
1158 received_len += buflen;
1159
1160 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
1161 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
1162 status_code++;
1163 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
1164 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
1165 status_text++;
1166
1167 TRACE("version [%s] status code [%s] status text [%s]\n",
1168 debugstr_an(buffer, status_code - buffer - 1),
1169 debugstr_an(status_code, len),
1170 debugstr_a(status_text));
1171
1172 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
1173
1174 /* we rely on the fact that the protocol is ascii */
1175 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
1176 status_codeW[len] = 0;
1177 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
1178
1179 len = status_code - buffer;
1180 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1181 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
1182 versionW[len - 1] = 0;
1183
1184 heap_free( request->version );
1185 request->version = versionW;
1186
1187 len = buflen - (status_text - buffer);
1188 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1189 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
1190
1191 heap_free( request->status_text );
1192 request->status_text = status_textW;
1193
1194 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_LEN );
1195 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1196 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
1197 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
1198
1199 heap_free( request->raw_headers );
1200 request->raw_headers = raw_headers;
1201
1202 offset = buflen + crlf_len - 1;
1203 for (;;)
1204 {
1205 header_t *header;
1206
1207 buflen = MAX_REPLY_LEN;
1208 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
1209 received_len += buflen;
1210 if (!*buffer) break;
1211
1212 while (len - offset < buflen + crlf_len)
1213 {
1214 WCHAR *tmp;
1215 len *= 2;
1216 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
1217 request->raw_headers = raw_headers = tmp;
1218 }
1219 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
1220
1221 if (!(header = parse_header( raw_headers + offset ))) break;
1222 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
1223 {
1224 free_header( header );
1225 break;
1226 }
1227 free_header( header );
1228 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
1229 offset += buflen + crlf_len - 1;
1230 }
1231
1232 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
1233
1234 end:
1235 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
1236 return TRUE;
1237 }
1238
1239 static BOOL handle_redirect( request_t *request )
1240 {
1241 BOOL ret = FALSE;
1242 DWORD size, len;
1243 URL_COMPONENTS uc;
1244 connect_t *connect = request->connect;
1245 INTERNET_PORT port;
1246 WCHAR *hostname = NULL, *location = NULL;
1247 int index;
1248
1249 size = 0;
1250 query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL );
1251 if (!(location = heap_alloc( size ))) return FALSE;
1252 if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end;
1253
1254 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 );
1255
1256 memset( &uc, 0, sizeof(uc) );
1257 uc.dwStructSize = sizeof(uc);
1258 uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0u;
1259
1260 if (!WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc )) /* assume relative redirect */
1261 {
1262 WCHAR *path, *p;
1263
1264 len = strlenW( location ) + 1;
1265 if (location[0] != '/') len++;
1266 if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end;
1267
1268 if (location[0] != '/') *p++ = '/';
1269 strcpyW( p, location );
1270
1271 heap_free( request->path );
1272 request->path = path;
1273 }
1274 else
1275 {
1276 if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE)
1277 {
1278 TRACE("redirect from secure page to non-secure page\n");
1279 request->hdr.flags &= ~WINHTTP_FLAG_SECURE;
1280 }
1281 else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE))
1282 {
1283 TRACE("redirect from non-secure page to secure page\n");
1284 request->hdr.flags |= WINHTTP_FLAG_SECURE;
1285 }
1286
1287 len = uc.dwHostNameLength;
1288 if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1289 memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) );
1290 hostname[len] = 0;
1291
1292 port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80);
1293 if (strcmpiW( connect->hostname, hostname ) || connect->serverport != port)
1294 {
1295 heap_free( connect->hostname );
1296 connect->hostname = hostname;
1297 connect->hostport = port;
1298 if (!(ret = set_server_for_hostname( connect, hostname, port ))) goto end;
1299
1300 netconn_close( &request->netconn );
1301 if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end;
1302 }
1303 if (!(ret = add_host_header( request, WINHTTP_ADDREQ_FLAG_REPLACE ))) goto end;
1304 if (!(ret = open_connection( request ))) goto end;
1305
1306 heap_free( request->path );
1307 request->path = NULL;
1308 if (uc.dwUrlPathLength)
1309 {
1310 len = uc.dwUrlPathLength + uc.dwExtraInfoLength;
1311 if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1312 strcpyW( request->path, uc.lpszUrlPath );
1313 }
1314 else request->path = strdupW( slashW );
1315 }
1316
1317 /* remove content-type/length headers */
1318 if ((index = get_header_index( request, attr_content_type, 0, TRUE )) >= 0) delete_header( request, index );
1319 if ((index = get_header_index( request, attr_content_length, 0, TRUE )) >= 0 ) delete_header( request, index );
1320
1321 /* redirects are always GET requests */
1322 heap_free( request->verb );
1323 request->verb = strdupW( getW );
1324 ret = TRUE;
1325
1326 end:
1327 if (!ret) heap_free( hostname );
1328 heap_free( location );
1329 return ret;
1330 }
1331
1332 static BOOL receive_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1333 {
1334 DWORD to_read;
1335 int bytes_read;
1336
1337 to_read = min( size, request->content_length - request->content_read );
1338 if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1339 {
1340 if (bytes_read != to_read)
1341 {
1342 ERR("not all data received %d/%d\n", bytes_read, to_read);
1343 }
1344 /* always return success, even if the network layer returns an error */
1345 *read = 0;
1346 return TRUE;
1347 }
1348 request->content_read += bytes_read;
1349 *read = bytes_read;
1350 return TRUE;
1351 }
1352
1353 static DWORD get_chunk_size( const char *buffer )
1354 {
1355 const char *p;
1356 DWORD size = 0;
1357
1358 for (p = buffer; *p; p++)
1359 {
1360 if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0';
1361 else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10;
1362 else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10;
1363 else if (*p == ';') break;
1364 }
1365 return size;
1366 }
1367
1368 static BOOL receive_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1369 {
1370 char reply[MAX_REPLY_LEN], *p = buffer;
1371 DWORD buflen, to_read, to_write = size;
1372 int bytes_read;
1373
1374 *read = 0;
1375 for (;;)
1376 {
1377 if (*read == size) break;
1378
1379 if (request->content_length == ~0u) /* new chunk */
1380 {
1381 buflen = sizeof(reply);
1382 if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break;
1383
1384 if (!(request->content_length = get_chunk_size( reply )))
1385 {
1386 /* zero sized chunk marks end of transfer; read any trailing headers and return */
1387 read_reply( request );
1388 break;
1389 }
1390 }
1391 to_read = min( to_write, request->content_length - request->content_read );
1392
1393 if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1394 {
1395 if (bytes_read != to_read)
1396 {
1397 ERR("Not all data received %d/%d\n", bytes_read, to_read);
1398 }
1399 /* always return success, even if the network layer returns an error */
1400 *read = 0;
1401 break;
1402 }
1403 if (!bytes_read) break;
1404
1405 request->content_read += bytes_read;
1406 to_write -= bytes_read;
1407 *read += bytes_read;
1408 p += bytes_read;
1409
1410 if (request->content_read == request->content_length) /* chunk complete */
1411 {
1412 request->content_read = 0;
1413 request->content_length = ~0u;
1414
1415 buflen = sizeof(reply);
1416 if (!netconn_get_next_line( &request->netconn, reply, &buflen ))
1417 {
1418 ERR("Malformed chunk\n");
1419 *read = 0;
1420 break;
1421 }
1422 }
1423 }
1424 return TRUE;
1425 }
1426
1427 static void finished_reading( request_t *request )
1428 {
1429 static const WCHAR closeW[] = {'c','l','o','s','e',0};
1430
1431 BOOL close = FALSE;
1432 WCHAR connection[20];
1433 DWORD size = sizeof(connection);
1434
1435 if (request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE) close = TRUE;
1436 else if (query_headers( request, WINHTTP_QUERY_CONNECTION, NULL, connection, &size, NULL ) ||
1437 query_headers( request, WINHTTP_QUERY_PROXY_CONNECTION, NULL, connection, &size, NULL ))
1438 {
1439 if (!strcmpiW( connection, closeW )) close = TRUE;
1440 }
1441 else if (!strcmpW( request->version, http1_0 )) close = TRUE;
1442
1443 if (close) close_connection( request );
1444 request->content_length = ~0u;
1445 request->content_read = 0;
1446 }
1447
1448 static BOOL read_data( request_t *request, void *buffer, DWORD to_read, DWORD *read, BOOL async )
1449 {
1450 static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0};
1451
1452 BOOL ret;
1453 WCHAR encoding[20];
1454 DWORD num_bytes, buflen = sizeof(encoding);
1455
1456 if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) &&
1457 !strcmpiW( encoding, chunked ))
1458 {
1459 ret = receive_data_chunked( request, buffer, to_read, &num_bytes, async );
1460 }
1461 else
1462 ret = receive_data( request, buffer, to_read, &num_bytes, async );
1463
1464 if (async)
1465 {
1466 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_READ_COMPLETE, buffer, num_bytes );
1467 else
1468 {
1469 WINHTTP_ASYNC_RESULT result;
1470 result.dwResult = API_READ_DATA;
1471 result.dwError = get_last_error();
1472 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1473 }
1474 }
1475 if (ret)
1476 {
1477 if (read) *read = num_bytes;
1478 if (!num_bytes) finished_reading( request );
1479 }
1480 return ret;
1481 }
1482
1483 /* read any content returned by the server so that the connection can be reused */
1484 static void drain_content( request_t *request )
1485 {
1486 DWORD bytes_read;
1487 char buffer[2048];
1488
1489 if (!request->content_length) return;
1490 for (;;)
1491 {
1492 if (!read_data( request, buffer, sizeof(buffer), &bytes_read, FALSE ) || !bytes_read) return;
1493 }
1494 }
1495
1496 static void record_cookies( request_t *request )
1497 {
1498 unsigned int i;
1499
1500 for (i = 0; i < request->num_headers; i++)
1501 {
1502 header_t *set_cookie = &request->headers[i];
1503 if (!strcmpiW( set_cookie->field, attr_set_cookie ) && !set_cookie->is_request)
1504 {
1505 set_cookies( request, set_cookie->value );
1506 }
1507 }
1508 }
1509
1510 static BOOL receive_response( request_t *request, BOOL async )
1511 {
1512 BOOL ret;
1513 DWORD size, query, status;
1514
1515 for (;;)
1516 {
1517 if (!(ret = read_reply( request ))) break;
1518
1519 size = sizeof(DWORD);
1520 query = WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER;
1521 if (!(ret = query_headers( request, query, NULL, &status, &size, NULL ))) break;
1522
1523 size = sizeof(DWORD);
1524 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
1525 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
1526 request->content_length = ~0u;
1527
1528 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES)) record_cookies( request );
1529
1530 if (status == 301 || status == 302)
1531 {
1532 if (request->hdr.disable_flags & WINHTTP_DISABLE_REDIRECTS) break;
1533
1534 drain_content( request );
1535 if (!(ret = handle_redirect( request ))) break;
1536
1537 clear_response_headers( request );
1538 ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE ); /* recurse synchronously */
1539 continue;
1540 }
1541 if (status == 401) FIXME("authentication not supported\n");
1542 break;
1543 }
1544
1545 if (async)
1546 {
1547 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE, NULL, 0 );
1548 else
1549 {
1550 WINHTTP_ASYNC_RESULT result;
1551 result.dwResult = API_RECEIVE_RESPONSE;
1552 result.dwError = get_last_error();
1553 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1554 }
1555 }
1556 return ret;
1557 }
1558
1559 static void task_receive_response( task_header_t *task )
1560 {
1561 receive_response_t *r = (receive_response_t *)task;
1562 receive_response( r->hdr.request, TRUE );
1563 }
1564
1565 /***********************************************************************
1566 * WinHttpReceiveResponse (winhttp.@)
1567 */
1568 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
1569 {
1570 BOOL ret;
1571 request_t *request;
1572
1573 TRACE("%p, %p\n", hrequest, reserved);
1574
1575 if (!(request = (request_t *)grab_object( hrequest )))
1576 {
1577 set_last_error( ERROR_INVALID_HANDLE );
1578 return FALSE;
1579 }
1580 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1581 {
1582 release_object( &request->hdr );
1583 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1584 return FALSE;
1585 }
1586
1587 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1588 {
1589 receive_response_t *r;
1590
1591 if (!(r = heap_alloc( sizeof(receive_response_t) ))) return FALSE;
1592 r->hdr.request = request;
1593 r->hdr.proc = task_receive_response;
1594
1595 addref_object( &request->hdr );
1596 ret = queue_task( (task_header_t *)r );
1597 }
1598 else
1599 ret = receive_response( request, FALSE );
1600
1601 release_object( &request->hdr );
1602 return ret;
1603 }
1604
1605 static BOOL query_data( request_t *request, LPDWORD available, BOOL async )
1606 {
1607 BOOL ret;
1608 DWORD num_bytes;
1609
1610 if ((ret = netconn_query_data_available( &request->netconn, &num_bytes )))
1611 {
1612 if (request->content_read < request->content_length)
1613 {
1614 if (!num_bytes)
1615 {
1616 char buffer[4096];
1617 size_t to_read = min( sizeof(buffer), request->content_length - request->content_read );
1618
1619 ret = netconn_recv( &request->netconn, buffer, to_read, MSG_PEEK, (int *)&num_bytes );
1620 if (ret && !num_bytes) WARN("expected more data to be available\n");
1621 }
1622 }
1623 else if (num_bytes)
1624 {
1625 WARN("extra data available %u\n", num_bytes);
1626 ret = FALSE;
1627 }
1628 }
1629 TRACE("%u bytes available\n", num_bytes);
1630
1631 if (async)
1632 {
1633 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE, &num_bytes, sizeof(DWORD) );
1634 else
1635 {
1636 WINHTTP_ASYNC_RESULT result;
1637 result.dwResult = API_QUERY_DATA_AVAILABLE;
1638 result.dwError = get_last_error();
1639 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1640 }
1641 }
1642 if (ret && available) *available = num_bytes;
1643 return ret;
1644 }
1645
1646 static void task_query_data( task_header_t *task )
1647 {
1648 query_data_t *q = (query_data_t *)task;
1649 query_data( q->hdr.request, q->available, TRUE );
1650 }
1651
1652 /***********************************************************************
1653 * WinHttpQueryDataAvailable (winhttp.@)
1654 */
1655 BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
1656 {
1657 BOOL ret;
1658 request_t *request;
1659
1660 TRACE("%p, %p\n", hrequest, available);
1661
1662 if (!(request = (request_t *)grab_object( hrequest )))
1663 {
1664 set_last_error( ERROR_INVALID_HANDLE );
1665 return FALSE;
1666 }
1667 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1668 {
1669 release_object( &request->hdr );
1670 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1671 return FALSE;
1672 }
1673
1674 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1675 {
1676 query_data_t *q;
1677
1678 if (!(q = heap_alloc( sizeof(query_data_t) ))) return FALSE;
1679 q->hdr.request = request;
1680 q->hdr.proc = task_query_data;
1681 q->available = available;
1682
1683 addref_object( &request->hdr );
1684 ret = queue_task( (task_header_t *)q );
1685 }
1686 else
1687 ret = query_data( request, available, FALSE );
1688
1689 release_object( &request->hdr );
1690 return ret;
1691 }
1692
1693 static void task_read_data( task_header_t *task )
1694 {
1695 read_data_t *r = (read_data_t *)task;
1696 read_data( r->hdr.request, r->buffer, r->to_read, r->read, TRUE );
1697 }
1698
1699 /***********************************************************************
1700 * WinHttpReadData (winhttp.@)
1701 */
1702 BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read )
1703 {
1704 BOOL ret;
1705 request_t *request;
1706
1707 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read);
1708
1709 if (!(request = (request_t *)grab_object( hrequest )))
1710 {
1711 set_last_error( ERROR_INVALID_HANDLE );
1712 return FALSE;
1713 }
1714 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1715 {
1716 release_object( &request->hdr );
1717 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1718 return FALSE;
1719 }
1720
1721 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1722 {
1723 read_data_t *r;
1724
1725 if (!(r = heap_alloc( sizeof(read_data_t) ))) return FALSE;
1726 r->hdr.request = request;
1727 r->hdr.proc = task_read_data;
1728 r->buffer = buffer;
1729 r->to_read = to_read;
1730 r->read = read;
1731
1732 addref_object( &request->hdr );
1733 ret = queue_task( (task_header_t *)r );
1734 }
1735 else
1736 ret = read_data( request, buffer, to_read, read, FALSE );
1737
1738 release_object( &request->hdr );
1739 return ret;
1740 }
1741
1742 static BOOL write_data( request_t *request, LPCVOID buffer, DWORD to_write, LPDWORD written, BOOL async )
1743 {
1744 BOOL ret;
1745 int num_bytes;
1746
1747 ret = netconn_send( &request->netconn, buffer, to_write, 0, &num_bytes );
1748
1749 if (async)
1750 {
1751 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE, &num_bytes, sizeof(DWORD) );
1752 else
1753 {
1754 WINHTTP_ASYNC_RESULT result;
1755 result.dwResult = API_WRITE_DATA;
1756 result.dwError = get_last_error();
1757 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1758 }
1759 }
1760 if (ret && written) *written = num_bytes;
1761 return ret;
1762 }
1763
1764 static void task_write_data( task_header_t *task )
1765 {
1766 write_data_t *w = (write_data_t *)task;
1767 write_data( w->hdr.request, w->buffer, w->to_write, w->written, TRUE );
1768 }
1769
1770 /***********************************************************************
1771 * WinHttpWriteData (winhttp.@)
1772 */
1773 BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written )
1774 {
1775 BOOL ret;
1776 request_t *request;
1777
1778 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written);
1779
1780 if (!(request = (request_t *)grab_object( hrequest )))
1781 {
1782 set_last_error( ERROR_INVALID_HANDLE );
1783 return FALSE;
1784 }
1785 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1786 {
1787 release_object( &request->hdr );
1788 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1789 return FALSE;
1790 }
1791
1792 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1793 {
1794 write_data_t *w;
1795
1796 if (!(w = heap_alloc( sizeof(write_data_t) ))) return FALSE;
1797 w->hdr.request = request;
1798 w->hdr.proc = task_write_data;
1799 w->buffer = buffer;
1800 w->to_write = to_write;
1801 w->written = written;
1802
1803 addref_object( &request->hdr );
1804 ret = queue_task( (task_header_t *)w );
1805 }
1806 else
1807 ret = write_data( request, buffer, to_write, written, FALSE );
1808
1809 release_object( &request->hdr );
1810 return ret;
1811 }
1812
1813 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1814
1815 static DWORD auth_scheme_from_header( WCHAR *header )
1816 {
1817 static const WCHAR basic[] = {'B','a','s','i','c'};
1818 static const WCHAR ntlm[] = {'N','T','L','M'};
1819 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1820 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1821 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1822
1823 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1824 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1825
1826 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1827 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1828
1829 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1830 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1831
1832 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1833 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1834
1835 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1836 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1837
1838 return 0;
1839 }
1840
1841 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1842 {
1843 DWORD index = 0;
1844 BOOL ret = FALSE;
1845
1846 for (;;)
1847 {
1848 WCHAR *buffer;
1849 DWORD size, scheme;
1850
1851 size = 0;
1852 query_headers( request, level, NULL, NULL, &size, &index );
1853 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1854
1855 index--;
1856 if (!(buffer = heap_alloc( size ))) return FALSE;
1857 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1858 {
1859 heap_free( buffer );
1860 return FALSE;
1861 }
1862 scheme = auth_scheme_from_header( buffer );
1863 if (index == 1) *first = scheme;
1864 *supported |= scheme;
1865
1866 heap_free( buffer );
1867 ret = TRUE;
1868 }
1869 return ret;
1870 }
1871
1872 /***********************************************************************
1873 * WinHttpQueryAuthSchemes (winhttp.@)
1874 */
1875 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1876 {
1877 BOOL ret = FALSE;
1878 request_t *request;
1879
1880 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1881
1882 if (!(request = (request_t *)grab_object( hrequest )))
1883 {
1884 set_last_error( ERROR_INVALID_HANDLE );
1885 return FALSE;
1886 }
1887 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1888 {
1889 release_object( &request->hdr );
1890 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1891 return FALSE;
1892 }
1893
1894 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1895 {
1896 *target = WINHTTP_AUTH_TARGET_SERVER;
1897 ret = TRUE;
1898 }
1899 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1900 {
1901 *target = WINHTTP_AUTH_TARGET_PROXY;
1902 ret = TRUE;
1903 }
1904
1905 release_object( &request->hdr );
1906 return ret;
1907 }
1908
1909 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1910 {
1911 UINT n = 0, x;
1912 static const char base64enc[] =
1913 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1914
1915 while (len > 0)
1916 {
1917 /* first 6 bits, all from bin[0] */
1918 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1919 x = (bin[0] & 3) << 4;
1920
1921 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1922 if (len == 1)
1923 {
1924 base64[n++] = base64enc[x];
1925 base64[n++] = '=';
1926 base64[n++] = '=';
1927 break;
1928 }
1929 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1930 x = (bin[1] & 0x0f) << 2;
1931
1932 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1933 if (len == 2)
1934 {
1935 base64[n++] = base64enc[x];
1936 base64[n++] = '=';
1937 break;
1938 }
1939 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1940
1941 /* last 6 bits, all from bin [2] */
1942 base64[n++] = base64enc[bin[2] & 0x3f];
1943 bin += 3;
1944 len -= 3;
1945 }
1946 base64[n] = 0;
1947 return n;
1948 }
1949
1950 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1951 {
1952 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1953
1954 const WCHAR *auth_scheme, *auth_target;
1955 WCHAR *auth_header;
1956 DWORD len, auth_data_len;
1957 char *auth_data;
1958 BOOL ret;
1959
1960 switch (target)
1961 {
1962 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1963 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1964 default:
1965 WARN("unknown target %x\n", target);
1966 return FALSE;
1967 }
1968 switch (scheme)
1969 {
1970 case WINHTTP_AUTH_SCHEME_BASIC:
1971 {
1972 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1973 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1974
1975 TRACE("basic authentication\n");
1976
1977 auth_scheme = basic;
1978 auth_data_len = userlen + 1 + passlen;
1979 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
1980
1981 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
1982 auth_data[userlen] = ':';
1983 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
1984 break;
1985 }
1986 case WINHTTP_AUTH_SCHEME_NTLM:
1987 case WINHTTP_AUTH_SCHEME_PASSPORT:
1988 case WINHTTP_AUTH_SCHEME_DIGEST:
1989 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
1990 FIXME("unimplemented authentication scheme %x\n", scheme);
1991 return FALSE;
1992 default:
1993 WARN("unknown authentication scheme %x\n", scheme);
1994 return FALSE;
1995 }
1996
1997 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
1998 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
1999 {
2000 heap_free( auth_data );
2001 return FALSE;
2002 }
2003 strcpyW( auth_header, auth_scheme );
2004 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
2005
2006 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
2007
2008 heap_free( auth_data );
2009 heap_free( auth_header );
2010 return ret;
2011 }
2012
2013 /***********************************************************************
2014 * WinHttpSetCredentials (winhttp.@)
2015 */
2016 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
2017 LPCWSTR password, LPVOID params )
2018 {
2019 BOOL ret;
2020 request_t *request;
2021
2022 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
2023
2024 if (!(request = (request_t *)grab_object( hrequest )))
2025 {
2026 set_last_error( ERROR_INVALID_HANDLE );
2027 return FALSE;
2028 }
2029 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
2030 {
2031 release_object( &request->hdr );
2032 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
2033 return FALSE;
2034 }
2035
2036 ret = set_credentials( request, target, scheme, username, password );
2037
2038 release_object( &request->hdr );
2039 return ret;
2040 }
useful hacks and other patches not (yet) suitable for mainline