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winhttp: Handle redirects.
[wine.git] / dlls / winhttp / request.c
blob9a273fab7bc8cdb1b92314ea52856b58b45db913
1 /*
2 * Copyright 2008 Hans Leidekker for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21 #include "wine/debug.h"
22
23 #include <stdarg.h>
24 #ifdef HAVE_ARPA_INET_H
25 # include <arpa/inet.h>
26 #endif
27 #ifdef HAVE_SYS_SOCKET_H
28 # include <sys/socket.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 void free_header( header_t *header )
176 {
177 heap_free( header->field );
178 heap_free( header->value );
179 heap_free( header );
180 }
181
182 static BOOL valid_token_char( WCHAR c )
183 {
184 if (c < 32 || c == 127) return FALSE;
185 switch (c)
186 {
187 case '(': case ')':
188 case '<': case '>':
189 case '@': case ',':
190 case ';': case ':':
191 case '\\': case '\"':
192 case '/': case '[':
193 case ']': case '?':
194 case '=': case '{':
195 case '}': case ' ':
196 case '\t':
197 return FALSE;
198 default:
199 return TRUE;
200 }
201 }
202
203 static header_t *parse_header( LPCWSTR string )
204 {
205 const WCHAR *p, *q;
206 header_t *header;
207 int len;
208
209 p = string;
210 if (!(q = strchrW( p, ':' )))
211 {
212 WARN("no ':' in line %s\n", debugstr_w(string));
213 return NULL;
214 }
215 if (q == string)
216 {
217 WARN("empty field name in line %s\n", debugstr_w(string));
218 return NULL;
219 }
220 while (*p != ':')
221 {
222 if (!valid_token_char( *p ))
223 {
224 WARN("invalid character in field name %s\n", debugstr_w(string));
225 return NULL;
226 }
227 p++;
228 }
229 len = q - string;
230 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
231 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
232 {
233 heap_free( header );
234 return NULL;
235 }
236 memcpy( header->field, string, len * sizeof(WCHAR) );
237 header->field[len] = 0;
238
239 q++; /* skip past colon */
240 while (*q == ' ') q++;
241 if (!*q)
242 {
243 WARN("no value in line %s\n", debugstr_w(string));
244 return header;
245 }
246 len = strlenW( q );
247 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
248 {
249 free_header( header );
250 return NULL;
251 }
252 memcpy( header->value, q, len * sizeof(WCHAR) );
253 header->value[len] = 0;
254
255 return header;
256 }
257
258 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
259 {
260 int index;
261
262 TRACE("%s\n", debugstr_w(field));
263
264 for (index = 0; index < request->num_headers; index++)
265 {
266 if (strcmpiW( request->headers[index].field, field )) continue;
267 if (request_only && !request->headers[index].is_request) continue;
268 if (!request_only && request->headers[index].is_request) continue;
269
270 if (!requested_index) break;
271 requested_index--;
272 }
273 if (index >= request->num_headers) index = -1;
274 TRACE("returning %d\n", index);
275 return index;
276 }
277
278 static BOOL insert_header( request_t *request, header_t *header )
279 {
280 DWORD count;
281 header_t *hdrs;
282
283 count = request->num_headers + 1;
284 if (count > 1)
285 hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count );
286 else
287 hdrs = heap_alloc_zero( sizeof(header_t) * count );
288
289 if (hdrs)
290 {
291 request->headers = hdrs;
292 request->headers[count - 1].field = strdupW( header->field );
293 request->headers[count - 1].value = strdupW( header->value );
294 request->headers[count - 1].is_request = header->is_request;
295 request->num_headers++;
296 return TRUE;
297 }
298 return FALSE;
299 }
300
301 static BOOL delete_header( request_t *request, DWORD index )
302 {
303 if (!request->num_headers) return FALSE;
304 if (index >= request->num_headers) return FALSE;
305 request->num_headers--;
306
307 heap_free( request->headers[index].field );
308 heap_free( request->headers[index].value );
309
310 memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) );
311 memset( &request->headers[request->num_headers], 0, sizeof(header_t) );
312 return TRUE;
313 }
314
315 static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only )
316 {
317 int index;
318 header_t *header;
319
320 TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags);
321
322 /* replace wins out over add */
323 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD;
324
325 if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1;
326 else
327 index = get_header_index( request, field, 0, request_only );
328
329 if (index >= 0)
330 {
331 if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE;
332 header = &request->headers[index];
333 }
334 else if (value)
335 {
336 header_t hdr;
337
338 hdr.field = (LPWSTR)field;
339 hdr.value = (LPWSTR)value;
340 hdr.is_request = request_only;
341
342 return insert_header( request, &hdr );
343 }
344 /* no value to delete */
345 else return TRUE;
346
347 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE)
348 {
349 delete_header( request, index );
350 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 return TRUE;
361 }
362 else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON))
363 {
364 WCHAR sep, *tmp;
365 int len, orig_len, value_len;
366
367 orig_len = strlenW( header->value );
368 value_len = strlenW( value );
369
370 if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ',';
371 else sep = ';';
372
373 len = orig_len + value_len + 2;
374 if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) )))
375 {
376 header->value = tmp;
377
378 header->value[orig_len] = sep;
379 orig_len++;
380 header->value[orig_len] = ' ';
381 orig_len++;
382
383 memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) );
384 header->value[len] = 0;
385 return TRUE;
386 }
387 }
388 return TRUE;
389 }
390
391 static BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags )
392 {
393 BOOL ret = FALSE;
394 WCHAR *buffer, *p, *q;
395 header_t *header;
396
397 if (len == ~0UL) len = strlenW( headers );
398 if (!(buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return FALSE;
399 strcpyW( buffer, headers );
400
401 p = buffer;
402 do
403 {
404 q = p;
405 while (*q)
406 {
407 if (q[0] == '\r' && q[1] == '\n') break;
408 q++;
409 }
410 if (!*p) break;
411 if (*q == '\r')
412 {
413 *q = 0;
414 q += 2; /* jump over \r\n */
415 }
416 if ((header = parse_header( p )))
417 {
418 ret = process_header( request, header->field, header->value, flags, TRUE );
419 free_header( header );
420 }
421 p = q;
422 } while (ret);
423
424 heap_free( buffer );
425 return ret;
426 }
427
428 /***********************************************************************
429 * WinHttpAddRequestHeaders (winhttp.@)
430 */
431 BOOL WINAPI WinHttpAddRequestHeaders( HINTERNET hrequest, LPCWSTR headers, DWORD len, DWORD flags )
432 {
433 BOOL ret;
434 request_t *request;
435
436 TRACE("%p, %s, 0x%x, 0x%08x\n", hrequest, debugstr_w(headers), len, flags);
437
438 if (!headers)
439 {
440 set_last_error( ERROR_INVALID_PARAMETER );
441 return FALSE;
442 }
443 if (!(request = (request_t *)grab_object( hrequest )))
444 {
445 set_last_error( ERROR_INVALID_HANDLE );
446 return FALSE;
447 }
448 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
449 {
450 release_object( &request->hdr );
451 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
452 return FALSE;
453 }
454
455 ret = add_request_headers( request, headers, len, flags );
456
457 release_object( &request->hdr );
458 return ret;
459 }
460
461 static WCHAR *build_request_string( request_t *request )
462 {
463 static const WCHAR space[] = {' ',0};
464 static const WCHAR crlf[] = {'\r','\n',0};
465 static const WCHAR colon[] = {':',' ',0};
466 static const WCHAR twocrlf[] = {'\r','\n','\r','\n',0};
467 static const WCHAR get[] = {'G','E','T',0};
468 static const WCHAR slash[] = {'/',0};
469 static const WCHAR http1_1[] = {'H','T','T','P','/','1','.','1',0};
470
471 WCHAR *ret;
472 const WCHAR **headers, **p;
473 const WCHAR *verb = get, *path = slash, *version = http1_1;
474 unsigned int len, i = 0, j;
475
476 if (request->verb && request->verb[0]) verb = request->verb;
477 if (request->path && request->path[0]) path = request->path;
478 if (request->version && request->version[0]) version = request->version;
479
480 /* allocate space for an array of all the string pointers to be added */
481 len = request->num_headers * 4 + 7;
482 if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL;
483
484 headers[i++] = verb;
485 headers[i++] = space;
486 headers[i++] = path;
487 headers[i++] = space;
488 headers[i++] = version;
489
490 for (j = 0; j < request->num_headers; j++)
491 {
492 if (request->headers[j].is_request)
493 {
494 headers[i++] = crlf;
495 headers[i++] = request->headers[j].field;
496 headers[i++] = colon;
497 headers[i++] = request->headers[j].value;
498
499 TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field),
500 debugstr_w(request->headers[j].value));
501 }
502 }
503 headers[i++] = twocrlf;
504 headers[i] = NULL;
505
506 len = 0;
507 for (p = headers; *p; p++) len += strlenW( *p );
508 len++;
509
510 if (!(ret = heap_alloc( len * sizeof(WCHAR) )))
511 {
512 heap_free( headers );
513 return NULL;
514 }
515 *ret = 0;
516 for (p = headers; *p; p++) strcatW( ret, *p );
517
518 heap_free( headers );
519 return ret;
520 }
521
522 #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER)
523
524 static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
525 {
526 header_t *header = NULL;
527 BOOL request_only, ret = FALSE;
528 int requested_index, header_index = -1;
529 DWORD attr;
530
531 request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS;
532 requested_index = index ? *index : 0;
533
534 attr = level & ~QUERY_MODIFIER_MASK;
535 switch (attr)
536 {
537 case WINHTTP_QUERY_CUSTOM:
538 {
539 header_index = get_header_index( request, name, requested_index, request_only );
540 break;
541 }
542 case WINHTTP_QUERY_RAW_HEADERS_CRLF:
543 {
544 WCHAR *headers;
545 DWORD len;
546
547 if (request_only)
548 headers = build_request_string( request );
549 else
550 headers = request->raw_headers;
551
552 if (!headers) return FALSE;
553 len = strlenW( headers ) * sizeof(WCHAR);
554 if (len + sizeof(WCHAR) > *buflen)
555 {
556 len += sizeof(WCHAR);
557 set_last_error( ERROR_INSUFFICIENT_BUFFER );
558 }
559 else if (buffer)
560 {
561 memcpy( buffer, headers, len + sizeof(WCHAR) );
562 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
563 ret = TRUE;
564 }
565 *buflen = len;
566 if (request_only) heap_free( headers );
567 return ret;
568 }
569 default:
570 {
571 if (attr > sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
572 {
573 FIXME("attribute %u not implemented\n", attr);
574 return FALSE;
575 }
576 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
577 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
578 }
579 }
580
581 if (header_index >= 0)
582 {
583 header = &request->headers[header_index];
584 }
585 if (!header || (request_only && !header->is_request))
586 {
587 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
588 return FALSE;
589 }
590 if (index) *index += 1;
591 if (level & WINHTTP_QUERY_FLAG_NUMBER)
592 {
593 int *number = buffer;
594 if (sizeof(int) > *buflen)
595 {
596 set_last_error( ERROR_INSUFFICIENT_BUFFER );
597 }
598 else if (number)
599 {
600 *number = atoiW( header->value );
601 TRACE("returning number: %d\n", *number);
602 ret = TRUE;
603 }
604 *buflen = sizeof(int);
605 }
606 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
607 {
608 SYSTEMTIME *st = buffer;
609 if (sizeof(SYSTEMTIME) > *buflen)
610 {
611 set_last_error( ERROR_INSUFFICIENT_BUFFER );
612 }
613 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
614 {
615 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
616 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
617 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
618 }
619 *buflen = sizeof(SYSTEMTIME);
620 }
621 else if (header->value)
622 {
623 WCHAR *string = buffer;
624 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
625 if (len > *buflen)
626 {
627 set_last_error( ERROR_INSUFFICIENT_BUFFER );
628 *buflen = len;
629 return FALSE;
630 }
631 else if (string)
632 {
633 strcpyW( string, header->value );
634 TRACE("returning string: %s\n", debugstr_w(string));
635 ret = TRUE;
636 }
637 *buflen = len - sizeof(WCHAR);
638 }
639 return ret;
640 }
641
642 /***********************************************************************
643 * WinHttpQueryHeaders (winhttp.@)
644 */
645 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
646 {
647 BOOL ret;
648 request_t *request;
649
650 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
651
652 if (!(request = (request_t *)grab_object( hrequest )))
653 {
654 set_last_error( ERROR_INVALID_HANDLE );
655 return FALSE;
656 }
657 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
658 {
659 release_object( &request->hdr );
660 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
661 return FALSE;
662 }
663
664 ret = query_headers( request, level, name, buffer, buflen, index );
665
666 release_object( &request->hdr );
667 return ret;
668 }
669
670 static BOOL open_connection( request_t *request )
671 {
672 connect_t *connect;
673 char address[32];
674 WCHAR *addressW;
675
676 if (netconn_connected( &request->netconn )) return TRUE;
677
678 connect = request->connect;
679 if (!netconn_resolve( connect->servername, connect->serverport, &connect->sockaddr )) return FALSE;
680
681 inet_ntop( connect->sockaddr.sin_family, &connect->sockaddr.sin_addr, address, sizeof(address) );
682 TRACE("connecting to %s:%u\n", address, ntohs(connect->sockaddr.sin_port));
683 addressW = strdupAW( address );
684
685 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
686
687 if (!netconn_create( &request->netconn, connect->sockaddr.sin_family, SOCK_STREAM, 0 ))
688 {
689 heap_free( addressW );
690 return FALSE;
691 }
692 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, sizeof(struct sockaddr_in) ))
693 {
694 netconn_close( &request->netconn );
695 heap_free( addressW );
696 return FALSE;
697 }
698 if (request->hdr.flags & WINHTTP_FLAG_SECURE && !netconn_secure_connect( &request->netconn ))
699 {
700 netconn_close( &request->netconn );
701 heap_free( addressW );
702 return FALSE;
703 }
704
705 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, 0 );
706
707 heap_free( addressW );
708 return TRUE;
709 }
710
711 void close_connection( request_t *request )
712 {
713 if (!netconn_connected( &request->netconn )) return;
714
715 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
716 netconn_close( &request->netconn );
717 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
718 }
719
720 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
721 DWORD optional_len, DWORD total_len, DWORD_PTR context )
722 {
723 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
724 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
725 static const WCHAR length_fmt[] = {'%','l','d',0};
726
727 BOOL ret = FALSE;
728 connect_t *connect = request->connect;
729 session_t *session = connect->session;
730 WCHAR *req = NULL;
731 char *req_ascii;
732 int bytes_sent;
733 DWORD len;
734
735 if (session->agent)
736 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
737
738 if (connect->hostname)
739 process_header( request, attr_host, connect->hostname, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
740
741 if (optional_len)
742 {
743 WCHAR length[21]; /* decimal long int + null */
744 sprintfW( length, length_fmt, optional_len );
745 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
746 }
747 if (!(request->hdr.flags & WINHTTP_DISABLE_KEEP_ALIVE))
748 {
749 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
750 }
751 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
752 {
753 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
754 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
755 }
756 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
757 {
758 TRACE("failed to add request headers\n");
759 return FALSE;
760 }
761
762 if (!(ret = open_connection( request ))) goto end;
763 if (!(req = build_request_string( request ))) goto end;
764
765 if (!(req_ascii = strdupWA( req ))) goto end;
766 TRACE("full request: %s\n", debugstr_a(req_ascii));
767 len = strlen(req_ascii);
768
769 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
770
771 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
772 heap_free( req_ascii );
773 if (!ret) goto end;
774
775 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
776 len += optional_len;
777
778 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
779
780 end:
781 heap_free( req );
782 return ret;
783 }
784
785 /***********************************************************************
786 * WinHttpSendRequest (winhttp.@)
787 */
788 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
789 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
790 {
791 BOOL ret;
792 request_t *request;
793
794 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
795 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
796
797 if (!(request = (request_t *)grab_object( hrequest )))
798 {
799 set_last_error( ERROR_INVALID_HANDLE );
800 return FALSE;
801 }
802 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
803 {
804 release_object( &request->hdr );
805 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
806 return FALSE;
807 }
808
809 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context );
810
811 release_object( &request->hdr );
812 return ret;
813 }
814
815 static void clear_response_headers( request_t *request )
816 {
817 unsigned int i;
818
819 for (i = 0; i < request->num_headers; i++)
820 {
821 if (!request->headers[i].field) continue;
822 if (!request->headers[i].value) continue;
823 if (request->headers[i].is_request) continue;
824 delete_header( request, i );
825 i--;
826 }
827 }
828
829 #define MAX_REPLY_LEN 1460
830 #define INITIAL_HEADER_BUFFER_SIZE 512
831
832 static BOOL receive_response( request_t *request, BOOL clear )
833 {
834 static const WCHAR crlf[] = {'\r','\n',0};
835
836 char buffer[MAX_REPLY_LEN];
837 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
838 char *status_code, *status_text;
839 WCHAR *versionW, *status_textW, *raw_headers;
840 WCHAR status_codeW[4]; /* sizeof("nnn") */
841
842 if (!netconn_connected( &request->netconn )) return FALSE;
843
844 /* clear old response headers (eg. from a redirect response) */
845 if (clear) clear_response_headers( request );
846
847 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
848
849 received_len = 0;
850 do
851 {
852 buflen = MAX_REPLY_LEN;
853 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
854 received_len += buflen;
855
856 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
857 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
858 status_code++;
859 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
860 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
861 status_text++;
862
863 TRACE("version [%s] status code [%s] status text [%s]\n",
864 debugstr_an(buffer, status_code - buffer - 1),
865 debugstr_an(status_code, len),
866 debugstr_a(status_text));
867
868 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
869
870 /* we rely on the fact that the protocol is ascii */
871 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
872 status_codeW[len] = 0;
873 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
874
875 len = status_code - buffer;
876 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
877 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
878 versionW[len - 1] = 0;
879
880 heap_free( request->version );
881 request->version = versionW;
882
883 len = buflen - (status_text - buffer);
884 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
885 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
886
887 heap_free( request->status_text );
888 request->status_text = status_textW;
889
890 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_SIZE );
891 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
892 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
893 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
894
895 heap_free( request->raw_headers );
896 request->raw_headers = raw_headers;
897
898 offset = buflen + crlf_len - 1;
899 for (;;)
900 {
901 header_t *header;
902
903 buflen = MAX_REPLY_LEN;
904 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
905 received_len += buflen;
906 if (!*buffer) break;
907
908 while (len - offset < buflen + crlf_len)
909 {
910 WCHAR *tmp;
911 len *= 2;
912 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
913 request->raw_headers = raw_headers = tmp;
914 }
915 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
916
917 if (!(header = parse_header( raw_headers + offset ))) break;
918 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
919 {
920 free_header( header );
921 break;
922 }
923 free_header( header );
924 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
925 offset += buflen + crlf_len - 1;
926 }
927
928 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
929
930 end:
931 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
932 return TRUE;
933 }
934
935 static BOOL handle_redirect( request_t *request )
936 {
937 BOOL ret = FALSE;
938 DWORD size, len;
939 URL_COMPONENTS uc;
940 connect_t *connect = request->connect;
941 INTERNET_PORT port;
942 WCHAR *hostname = NULL, *location = NULL;
943
944 size = 0;
945 query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL );
946 if (!(location = heap_alloc( size ))) return FALSE;
947 if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end;
948
949 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 );
950
951 memset( &uc, 0, sizeof(uc) );
952 uc.dwStructSize = sizeof(uc);
953 uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0UL;
954
955 if (!(ret = WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc ))) goto end;
956
957 if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE)
958 {
959 TRACE("redirect from secure page to non-secure page\n");
960 request->hdr.flags &= ~WINHTTP_FLAG_SECURE;
961 }
962 else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE))
963 {
964 TRACE("redirect from non-secure page to secure page\n");
965 request->hdr.flags |= WINHTTP_FLAG_SECURE;
966 }
967
968 len = uc.dwHostNameLength;
969 if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
970 memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) );
971 hostname[len] = 0;
972
973 port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80);
974 if (strcmpiW( connect->servername, hostname ) || connect->serverport != port)
975 {
976 heap_free( connect->servername );
977 connect->servername = hostname;
978 connect->serverport = port;
979
980 netconn_close( &request->netconn );
981 if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end;
982 }
983 if (!(ret = process_header( request, attr_host, hostname, WINHTTP_ADDREQ_FLAG_REPLACE, TRUE ))) goto end;
984 if (!(ret = open_connection( request ))) goto end;
985
986 heap_free( request->path );
987 request->path = NULL;
988 if (uc.lpszUrlPath)
989 {
990 len = uc.dwUrlPathLength + uc.dwExtraInfoLength;
991 if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
992 strcpyW( request->path, uc.lpszUrlPath );
993 }
994
995 ret = TRUE;
996
997 end:
998 if (!ret) heap_free( hostname );
999 heap_free( location );
1000 return ret;
1001 }
1002
1003 static BOOL read_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1004 {
1005 DWORD to_read;
1006 int bytes_read;
1007
1008 to_read = min( size, request->content_length - request->content_read );
1009 if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1010 {
1011 if (bytes_read != to_read)
1012 {
1013 ERR("not all data received %d/%d\n", bytes_read, to_read);
1014 }
1015 /* always return success, even if the network layer returns an error */
1016 *read = 0;
1017 return TRUE;
1018 }
1019 request->content_read += bytes_read;
1020 *read = bytes_read;
1021 return TRUE;
1022 }
1023
1024 /* read any content returned by the server so that the connection can be reused */
1025 static void drain_content( request_t *request )
1026 {
1027 DWORD bytes_read;
1028 char buffer[2048];
1029
1030 if (request->content_length == ~0UL) return;
1031 for (;;)
1032 {
1033 if (!read_data( request, buffer, sizeof(buffer), &bytes_read, FALSE ) || !bytes_read) return;
1034 }
1035 }
1036
1037 /***********************************************************************
1038 * WinHttpReceiveResponse (winhttp.@)
1039 */
1040 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
1041 {
1042 BOOL ret = TRUE;
1043 request_t *request;
1044 DWORD size, query, status;
1045
1046 TRACE("%p, %p\n", hrequest, reserved);
1047
1048 if (!(request = (request_t *)grab_object( hrequest )))
1049 {
1050 set_last_error( ERROR_INVALID_HANDLE );
1051 return FALSE;
1052 }
1053 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1054 {
1055 release_object( &request->hdr );
1056 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1057 return FALSE;
1058 }
1059
1060 for (;;)
1061 {
1062 if (!(ret = receive_response( request, TRUE ))) break;
1063
1064 size = sizeof(DWORD);
1065 query = WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER;
1066 if (!(ret = query_headers( request, query, NULL, &status, &size, NULL ))) break;
1067
1068 size = sizeof(DWORD);
1069 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
1070 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
1071 request->content_length = ~0UL;
1072
1073 if (status == 200) break;
1074 if (status == 301 || status == 302)
1075 {
1076 if (request->hdr.flags & WINHTTP_DISABLE_REDIRECTS) break;
1077 drain_content( request );
1078 if (!(ret = handle_redirect( request ))) break;
1079 }
1080 ret = send_request( request, NULL, 0, NULL, 0, 0, 0 );
1081 }
1082
1083 release_object( &request->hdr );
1084 return ret;
1085 }
1086
1087 /***********************************************************************
1088 * WinHttpQueryDataAvailable (winhttp.@)
1089 */
1090 BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
1091 {
1092 BOOL ret;
1093 request_t *request;
1094
1095 TRACE("%p, %p\n", hrequest, available);
1096
1097 if (!(request = (request_t *)grab_object( hrequest )))
1098 {
1099 set_last_error( ERROR_INVALID_HANDLE );
1100 return FALSE;
1101 }
1102 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1103 {
1104 release_object( &request->hdr );
1105 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1106 return FALSE;
1107 }
1108
1109 ret = netconn_query_data_available( &request->netconn, available );
1110
1111 release_object( &request->hdr );
1112 return ret;
1113 }
1114
1115 static DWORD get_chunk_size( const char *buffer )
1116 {
1117 const char *p;
1118 DWORD size = 0;
1119
1120 for (p = buffer; *p; p++)
1121 {
1122 if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0';
1123 else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10;
1124 else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10;
1125 else if (*p == ';') break;
1126 }
1127 return size;
1128 }
1129
1130 static BOOL read_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1131 {
1132 char reply[MAX_REPLY_LEN], *p = buffer;
1133 DWORD buflen, to_read, to_write = size;
1134 int bytes_read;
1135
1136 *read = 0;
1137 for (;;)
1138 {
1139 if (*read == size) break;
1140
1141 if (request->content_length == ~0UL) /* new chunk */
1142 {
1143 buflen = sizeof(reply);
1144 if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break;
1145
1146 if (!(request->content_length = get_chunk_size( reply )))
1147 {
1148 /* zero sized chunk marks end of transfer; read any trailing headers and return */
1149 receive_response( request, FALSE );
1150 break;
1151 }
1152 }
1153 to_read = min( to_write, request->content_length - request->content_read );
1154
1155 if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1156 {
1157 if (bytes_read != to_read)
1158 {
1159 ERR("Not all data received %d/%d\n", bytes_read, to_read);
1160 }
1161 /* always return success, even if the network layer returns an error */
1162 *read = 0;
1163 break;
1164 }
1165 if (!bytes_read) break;
1166
1167 request->content_read += bytes_read;
1168 to_write -= bytes_read;
1169 *read += bytes_read;
1170 p += bytes_read;
1171
1172 if (request->content_read == request->content_length) /* chunk complete */
1173 {
1174 request->content_read = 0;
1175 request->content_length = ~0UL;
1176
1177 buflen = sizeof(reply);
1178 if (!netconn_get_next_line( &request->netconn, reply, &buflen ))
1179 {
1180 ERR("Malformed chunk\n");
1181 *read = 0;
1182 break;
1183 }
1184 }
1185 }
1186 return TRUE;
1187 }
1188
1189 /***********************************************************************
1190 * WinHttpReadData (winhttp.@)
1191 */
1192 BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read )
1193 {
1194 static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0};
1195
1196 BOOL ret;
1197 request_t *request;
1198 WCHAR encoding[20];
1199 DWORD buflen = sizeof(encoding);
1200
1201 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read);
1202
1203 if (!(request = (request_t *)grab_object( hrequest )))
1204 {
1205 set_last_error( ERROR_INVALID_HANDLE );
1206 return FALSE;
1207 }
1208 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1209 {
1210 release_object( &request->hdr );
1211 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1212 return FALSE;
1213 }
1214
1215 if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) &&
1216 !strcmpiW( encoding, chunked ))
1217 {
1218 ret = read_data_chunked( request, buffer, to_read, read, request->hdr.flags & WINHTTP_FLAG_ASYNC );
1219 }
1220 else
1221 ret = read_data( request, buffer, to_read, read, request->hdr.flags & WINHTTP_FLAG_ASYNC );
1222
1223 release_object( &request->hdr );
1224 return ret;
1225 }
1226
1227 /***********************************************************************
1228 * WinHttpWriteData (winhttp.@)
1229 */
1230 BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written )
1231 {
1232 BOOL ret;
1233 request_t *request;
1234
1235 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written);
1236
1237 if (!(request = (request_t *)grab_object( hrequest )))
1238 {
1239 set_last_error( ERROR_INVALID_HANDLE );
1240 return FALSE;
1241 }
1242 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1243 {
1244 release_object( &request->hdr );
1245 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1246 return FALSE;
1247 }
1248
1249 ret = netconn_send( &request->netconn, buffer, to_write, 0, (int *)written );
1250
1251 release_object( &request->hdr );
1252 return ret;
1253 }
1254
1255 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1256
1257 static DWORD auth_scheme_from_header( WCHAR *header )
1258 {
1259 static const WCHAR basic[] = {'B','a','s','i','c'};
1260 static const WCHAR ntlm[] = {'N','T','L','M'};
1261 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1262 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1263 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1264
1265 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1266 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1267
1268 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1269 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1270
1271 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1272 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1273
1274 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1275 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1276
1277 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1278 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1279
1280 return 0;
1281 }
1282
1283 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1284 {
1285 DWORD index = 0;
1286 BOOL ret = FALSE;
1287
1288 for (;;)
1289 {
1290 WCHAR *buffer;
1291 DWORD size, scheme;
1292
1293 size = 0;
1294 query_headers( request, level, NULL, NULL, &size, &index );
1295 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1296
1297 index--;
1298 if (!(buffer = heap_alloc( size ))) return FALSE;
1299 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1300 {
1301 heap_free( buffer );
1302 return FALSE;
1303 }
1304 scheme = auth_scheme_from_header( buffer );
1305 if (index == 1) *first = scheme;
1306 *supported |= scheme;
1307
1308 heap_free( buffer );
1309 ret = TRUE;
1310 }
1311 return ret;
1312 }
1313
1314 /***********************************************************************
1315 * WinHttpQueryAuthSchemes (winhttp.@)
1316 */
1317 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1318 {
1319 BOOL ret = FALSE;
1320 request_t *request;
1321
1322 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1323
1324 if (!(request = (request_t *)grab_object( hrequest )))
1325 {
1326 set_last_error( ERROR_INVALID_HANDLE );
1327 return FALSE;
1328 }
1329 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1330 {
1331 release_object( &request->hdr );
1332 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1333 return FALSE;
1334 }
1335
1336 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1337 {
1338 *target = WINHTTP_AUTH_TARGET_SERVER;
1339 ret = TRUE;
1340 }
1341 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1342 {
1343 *target = WINHTTP_AUTH_TARGET_PROXY;
1344 ret = TRUE;
1345 }
1346
1347 release_object( &request->hdr );
1348 return ret;
1349 }
1350
1351 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1352 {
1353 UINT n = 0, x;
1354 static const char base64enc[] =
1355 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1356
1357 while (len > 0)
1358 {
1359 /* first 6 bits, all from bin[0] */
1360 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1361 x = (bin[0] & 3) << 4;
1362
1363 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1364 if (len == 1)
1365 {
1366 base64[n++] = base64enc[x];
1367 base64[n++] = '=';
1368 base64[n++] = '=';
1369 break;
1370 }
1371 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1372 x = (bin[1] & 0x0f) << 2;
1373
1374 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1375 if (len == 2)
1376 {
1377 base64[n++] = base64enc[x];
1378 base64[n++] = '=';
1379 break;
1380 }
1381 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1382
1383 /* last 6 bits, all from bin [2] */
1384 base64[n++] = base64enc[bin[2] & 0x3f];
1385 bin += 3;
1386 len -= 3;
1387 }
1388 base64[n] = 0;
1389 return n;
1390 }
1391
1392 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1393 {
1394 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1395
1396 const WCHAR *auth_scheme, *auth_target;
1397 WCHAR *auth_header;
1398 DWORD len, auth_data_len;
1399 char *auth_data;
1400 BOOL ret;
1401
1402 switch (target)
1403 {
1404 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1405 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1406 default:
1407 WARN("unknown target %x\n", target);
1408 return FALSE;
1409 }
1410 switch (scheme)
1411 {
1412 case WINHTTP_AUTH_SCHEME_BASIC:
1413 {
1414 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1415 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1416
1417 TRACE("basic authentication\n");
1418
1419 auth_scheme = basic;
1420 auth_data_len = userlen + 1 + passlen;
1421 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
1422
1423 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
1424 auth_data[userlen] = ':';
1425 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
1426 break;
1427 }
1428 case WINHTTP_AUTH_SCHEME_NTLM:
1429 case WINHTTP_AUTH_SCHEME_PASSPORT:
1430 case WINHTTP_AUTH_SCHEME_DIGEST:
1431 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
1432 FIXME("unimplemented authentication scheme %x\n", scheme);
1433 return FALSE;
1434 default:
1435 WARN("unknown authentication scheme %x\n", scheme);
1436 return FALSE;
1437 }
1438
1439 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
1440 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
1441 {
1442 heap_free( auth_data );
1443 return FALSE;
1444 }
1445 strcpyW( auth_header, auth_scheme );
1446 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
1447
1448 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
1449
1450 heap_free( auth_data );
1451 heap_free( auth_header );
1452 return ret;
1453 }
1454
1455 /***********************************************************************
1456 * WinHttpSetCredentials (winhttp.@)
1457 */
1458 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
1459 LPCWSTR password, LPVOID params )
1460 {
1461 BOOL ret;
1462 request_t *request;
1463
1464 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
1465
1466 if (!(request = (request_t *)grab_object( hrequest )))
1467 {
1468 set_last_error( ERROR_INVALID_HANDLE );
1469 return FALSE;
1470 }
1471 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1472 {
1473 release_object( &request->hdr );
1474 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1475 return FALSE;
1476 }
1477
1478 ret = set_credentials( request, target, scheme, username, password );
1479
1480 release_object( &request->hdr );
1481 return ret;
1482 }
Windows API implementation