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winhttp: Include <sys/socket.h>.
[wine/multimedia.git] / dlls / winhttp / request.c
blobb0b81f0dc9d512f2c493993579f24c70ccae5edb
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, LPCWSTR verb, LPCWSTR path, LPCWSTR version )
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
468 WCHAR *ret;
469 const WCHAR **headers, **p;
470 unsigned int len, i = 0, j;
471
472 /* allocate space for an array of all the string pointers to be added */
473 len = request->num_headers * 4 + 7;
474 if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL;
475
476 headers[i++] = verb;
477 headers[i++] = space;
478 headers[i++] = path;
479 headers[i++] = space;
480 headers[i++] = version;
481
482 for (j = 0; j < request->num_headers; j++)
483 {
484 if (request->headers[j].is_request)
485 {
486 headers[i++] = crlf;
487 headers[i++] = request->headers[j].field;
488 headers[i++] = colon;
489 headers[i++] = request->headers[j].value;
490
491 TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field),
492 debugstr_w(request->headers[j].value));
493 }
494 }
495 headers[i++] = twocrlf;
496 headers[i] = NULL;
497
498 len = 0;
499 for (p = headers; *p; p++) len += strlenW( *p );
500 len++;
501
502 if (!(ret = heap_alloc( len * sizeof(WCHAR) )))
503 {
504 heap_free( headers );
505 return NULL;
506 }
507 *ret = 0;
508 for (p = headers; *p; p++) strcatW( ret, *p );
509
510 heap_free( headers );
511 return ret;
512 }
513
514 #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER)
515
516 static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
517 {
518 header_t *header = NULL;
519 BOOL request_only, ret = FALSE;
520 int requested_index, header_index = -1;
521 DWORD attr;
522
523 request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS;
524 requested_index = index ? *index : 0;
525
526 attr = level & ~QUERY_MODIFIER_MASK;
527 switch (attr)
528 {
529 case WINHTTP_QUERY_CUSTOM:
530 {
531 header_index = get_header_index( request, name, requested_index, request_only );
532 break;
533 }
534 case WINHTTP_QUERY_RAW_HEADERS_CRLF:
535 {
536 WCHAR *headers;
537 DWORD len;
538
539 if (request_only)
540 headers = build_request_string( request, request->verb, request->path, request->version );
541 else
542 headers = request->raw_headers;
543
544 if (!headers) return FALSE;
545 len = strlenW( headers ) * sizeof(WCHAR);
546 if (len + sizeof(WCHAR) > *buflen)
547 {
548 len += sizeof(WCHAR);
549 set_last_error( ERROR_INSUFFICIENT_BUFFER );
550 }
551 else if (buffer)
552 {
553 memcpy( buffer, headers, len + sizeof(WCHAR) );
554 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
555 ret = TRUE;
556 }
557 *buflen = len;
558 if (request_only) heap_free( headers );
559 return ret;
560 }
561 default:
562 {
563 if (attr > sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
564 {
565 FIXME("attribute %u not implemented\n", attr);
566 return FALSE;
567 }
568 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
569 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
570 }
571 }
572
573 if (header_index >= 0)
574 {
575 header = &request->headers[header_index];
576 }
577 if (!header || (request_only && !header->is_request))
578 {
579 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
580 return FALSE;
581 }
582 if (index) *index += 1;
583 if (level & WINHTTP_QUERY_FLAG_NUMBER)
584 {
585 int *number = buffer;
586 if (sizeof(int) > *buflen)
587 {
588 set_last_error( ERROR_INSUFFICIENT_BUFFER );
589 }
590 else if (number)
591 {
592 *number = atoiW( header->value );
593 TRACE("returning number: %d\n", *number);
594 ret = TRUE;
595 }
596 *buflen = sizeof(int);
597 }
598 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
599 {
600 SYSTEMTIME *st = buffer;
601 if (sizeof(SYSTEMTIME) > *buflen)
602 {
603 set_last_error( ERROR_INSUFFICIENT_BUFFER );
604 }
605 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
606 {
607 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
608 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
609 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
610 }
611 *buflen = sizeof(SYSTEMTIME);
612 }
613 else if (header->value)
614 {
615 WCHAR *string = buffer;
616 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
617 if (len > *buflen)
618 {
619 set_last_error( ERROR_INSUFFICIENT_BUFFER );
620 *buflen = len;
621 return FALSE;
622 }
623 else if (string)
624 {
625 strcpyW( string, header->value );
626 TRACE("returning string: %s\n", debugstr_w(string));
627 ret = TRUE;
628 }
629 *buflen = len - sizeof(WCHAR);
630 }
631 return ret;
632 }
633
634 /***********************************************************************
635 * WinHttpQueryHeaders (winhttp.@)
636 */
637 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
638 {
639 BOOL ret;
640 request_t *request;
641
642 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
643
644 if (!(request = (request_t *)grab_object( hrequest )))
645 {
646 set_last_error( ERROR_INVALID_HANDLE );
647 return FALSE;
648 }
649 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
650 {
651 release_object( &request->hdr );
652 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
653 return FALSE;
654 }
655
656 ret = query_headers( request, level, name, buffer, buflen, index );
657
658 release_object( &request->hdr );
659 return ret;
660 }
661
662 static BOOL open_connection( request_t *request )
663 {
664 connect_t *connect;
665 char address[32];
666 WCHAR *addressW;
667
668 if (netconn_connected( &request->netconn )) return TRUE;
669
670 connect = request->connect;
671 if (!netconn_resolve( connect->servername, connect->serverport, &connect->sockaddr )) return FALSE;
672
673 inet_ntop( connect->sockaddr.sin_family, &connect->sockaddr.sin_addr, address, sizeof(address) );
674 TRACE("connecting to %s:%u\n", address, ntohs(connect->sockaddr.sin_port));
675 addressW = strdupAW( address );
676
677 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
678
679 if (!netconn_create( &request->netconn, connect->sockaddr.sin_family, SOCK_STREAM, 0 ))
680 {
681 heap_free( addressW );
682 return FALSE;
683 }
684 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, sizeof(struct sockaddr_in) ))
685 {
686 netconn_close( &request->netconn );
687 heap_free( addressW );
688 return FALSE;
689 }
690 if (request->hdr.flags & WINHTTP_FLAG_SECURE && !netconn_secure_connect( &request->netconn ))
691 {
692 netconn_close( &request->netconn );
693 heap_free( addressW );
694 return FALSE;
695 }
696
697 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, 0 );
698
699 heap_free( addressW );
700 return TRUE;
701 }
702
703 void close_connection( request_t *request )
704 {
705 if (!netconn_connected( &request->netconn )) return;
706
707 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
708 netconn_close( &request->netconn );
709 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
710 }
711
712 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
713 DWORD optional_len, DWORD total_len, DWORD_PTR context )
714 {
715 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
716 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
717 static const WCHAR length_fmt[] = {'%','l','d',0};
718
719 BOOL ret = FALSE;
720 connect_t *connect = request->connect;
721 session_t *session = connect->session;
722 WCHAR *req = NULL;
723 char *req_ascii;
724 int bytes_sent;
725 DWORD len;
726
727 if (session->agent)
728 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
729
730 if (connect->hostname)
731 process_header( request, attr_host, connect->hostname, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
732
733 if (optional_len)
734 {
735 WCHAR length[21]; /* decimal long int + null */
736 sprintfW( length, length_fmt, optional_len );
737 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
738 }
739 if (!(request->hdr.flags & WINHTTP_DISABLE_KEEP_ALIVE))
740 {
741 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
742 }
743 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
744 {
745 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
746 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
747 }
748 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
749 {
750 TRACE("failed to add request headers\n");
751 return FALSE;
752 }
753
754 if (!(ret = open_connection( request ))) goto end;
755 if (!(req = build_request_string( request, request->verb, request->path, request->version ))) goto end;
756
757 if (!(req_ascii = strdupWA( req ))) goto end;
758 TRACE("full request: %s\n", debugstr_a(req_ascii));
759 len = strlen(req_ascii);
760
761 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
762
763 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
764 heap_free( req_ascii );
765 if (!ret) goto end;
766
767 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
768 len += optional_len;
769
770 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
771
772 end:
773 heap_free( req );
774 return ret;
775 }
776
777 /***********************************************************************
778 * WinHttpSendRequest (winhttp.@)
779 */
780 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
781 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
782 {
783 BOOL ret;
784 request_t *request;
785
786 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
787 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
788
789 if (!(request = (request_t *)grab_object( hrequest )))
790 {
791 set_last_error( ERROR_INVALID_HANDLE );
792 return FALSE;
793 }
794 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
795 {
796 release_object( &request->hdr );
797 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
798 return FALSE;
799 }
800
801 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context );
802
803 release_object( &request->hdr );
804 return ret;
805 }
806
807 static void clear_response_headers( request_t *request )
808 {
809 unsigned int i;
810
811 for (i = 0; i < request->num_headers; i++)
812 {
813 if (!request->headers[i].field) continue;
814 if (!request->headers[i].value) continue;
815 if (request->headers[i].is_request) continue;
816 delete_header( request, i );
817 i--;
818 }
819 }
820
821 #define MAX_REPLY_LEN 1460
822 #define INITIAL_HEADER_BUFFER_SIZE 512
823
824 static BOOL receive_response( request_t *request, BOOL clear )
825 {
826 static const WCHAR crlf[] = {'\r','\n',0};
827
828 char buffer[MAX_REPLY_LEN];
829 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
830 char *status_code, *status_text;
831 WCHAR *versionW, *status_textW, *raw_headers;
832 WCHAR status_codeW[4]; /* sizeof("nnn") */
833
834 if (!netconn_connected( &request->netconn )) return FALSE;
835
836 /* clear old response headers (eg. from a redirect response) */
837 if (clear) clear_response_headers( request );
838
839 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
840
841 received_len = 0;
842 do
843 {
844 buflen = MAX_REPLY_LEN;
845 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
846 received_len += buflen;
847
848 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
849 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
850 status_code++;
851 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
852 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
853 status_text++;
854
855 TRACE("version [%s] status code [%s] status text [%s]\n",
856 debugstr_an(buffer, status_code - buffer - 1),
857 debugstr_an(status_code, len),
858 debugstr_a(status_text));
859
860 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
861
862 /* we rely on the fact that the protocol is ascii */
863 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
864 status_codeW[len] = 0;
865 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
866
867 len = status_code - buffer;
868 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
869 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
870 versionW[len - 1] = 0;
871
872 heap_free( request->version );
873 request->version = versionW;
874
875 len = buflen - (status_text - buffer);
876 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
877 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
878
879 heap_free( request->status_text );
880 request->status_text = status_textW;
881
882 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_SIZE );
883 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
884 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
885 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
886
887 heap_free( request->raw_headers );
888 request->raw_headers = raw_headers;
889
890 offset = buflen + crlf_len - 1;
891 for (;;)
892 {
893 header_t *header;
894
895 buflen = MAX_REPLY_LEN;
896 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
897 received_len += buflen;
898 if (!*buffer) break;
899
900 while (len - offset < buflen + crlf_len)
901 {
902 WCHAR *tmp;
903 len *= 2;
904 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
905 request->raw_headers = raw_headers = tmp;
906 }
907 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
908
909 if (!(header = parse_header( raw_headers + offset ))) break;
910 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
911 {
912 free_header( header );
913 break;
914 }
915 free_header( header );
916 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
917 offset += buflen + crlf_len - 1;
918 }
919
920 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
921
922 end:
923 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
924 return TRUE;
925 }
926
927 /***********************************************************************
928 * WinHttpReceiveResponse (winhttp.@)
929 */
930 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
931 {
932 BOOL ret = TRUE;
933 request_t *request;
934 DWORD size, query;
935
936 TRACE("%p, %p\n", hrequest, reserved);
937
938 if (!(request = (request_t *)grab_object( hrequest )))
939 {
940 set_last_error( ERROR_INVALID_HANDLE );
941 return FALSE;
942 }
943 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
944 {
945 release_object( &request->hdr );
946 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
947 return FALSE;
948 }
949
950 ret = receive_response( request, TRUE );
951
952 size = sizeof(DWORD);
953 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
954 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
955 request->content_length = ~0UL;
956
957 release_object( &request->hdr );
958 return ret;
959 }
960
961 /***********************************************************************
962 * WinHttpQueryDataAvailable (winhttp.@)
963 */
964 BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
965 {
966 BOOL ret;
967 request_t *request;
968
969 TRACE("%p, %p\n", hrequest, available);
970
971 if (!(request = (request_t *)grab_object( hrequest )))
972 {
973 set_last_error( ERROR_INVALID_HANDLE );
974 return FALSE;
975 }
976 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
977 {
978 release_object( &request->hdr );
979 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
980 return FALSE;
981 }
982
983 ret = netconn_query_data_available( &request->netconn, available );
984
985 release_object( &request->hdr );
986 return ret;
987 }
988
989 static BOOL read_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
990 {
991 DWORD to_read;
992 int bytes_read;
993
994 to_read = min( size, request->content_length - request->content_read );
995 if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
996 {
997 if (bytes_read != to_read)
998 {
999 ERR("not all data received %d/%d\n", bytes_read, to_read);
1000 }
1001 /* always return success, even if the network layer returns an error */
1002 *read = 0;
1003 return TRUE;
1004 }
1005 request->content_read += bytes_read;
1006 *read = bytes_read;
1007 return TRUE;
1008 }
1009
1010 static DWORD get_chunk_size( const char *buffer )
1011 {
1012 const char *p;
1013 DWORD size = 0;
1014
1015 for (p = buffer; *p; p++)
1016 {
1017 if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0';
1018 else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10;
1019 else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10;
1020 else if (*p == ';') break;
1021 }
1022 return size;
1023 }
1024
1025 static BOOL read_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1026 {
1027 char reply[MAX_REPLY_LEN], *p = buffer;
1028 DWORD buflen, to_read, to_write = size;
1029 int bytes_read;
1030
1031 *read = 0;
1032 for (;;)
1033 {
1034 if (*read == size) break;
1035
1036 if (request->content_length == ~0UL) /* new chunk */
1037 {
1038 buflen = sizeof(reply);
1039 if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break;
1040
1041 if (!(request->content_length = get_chunk_size( reply )))
1042 {
1043 /* zero sized chunk marks end of transfer; read any trailing headers and return */
1044 receive_response( request, FALSE );
1045 break;
1046 }
1047 }
1048 to_read = min( to_write, request->content_length - request->content_read );
1049
1050 if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1051 {
1052 if (bytes_read != to_read)
1053 {
1054 ERR("Not all data received %d/%d\n", bytes_read, to_read);
1055 }
1056 /* always return success, even if the network layer returns an error */
1057 *read = 0;
1058 break;
1059 }
1060 if (!bytes_read) break;
1061
1062 request->content_read += bytes_read;
1063 to_write -= bytes_read;
1064 *read += bytes_read;
1065 p += bytes_read;
1066
1067 if (request->content_read == request->content_length) /* chunk complete */
1068 {
1069 request->content_read = 0;
1070 request->content_length = ~0UL;
1071
1072 buflen = sizeof(reply);
1073 if (!netconn_get_next_line( &request->netconn, reply, &buflen ))
1074 {
1075 ERR("Malformed chunk\n");
1076 *read = 0;
1077 break;
1078 }
1079 }
1080 }
1081 return TRUE;
1082 }
1083
1084 /***********************************************************************
1085 * WinHttpReadData (winhttp.@)
1086 */
1087 BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read )
1088 {
1089 static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0};
1090
1091 BOOL ret;
1092 request_t *request;
1093 WCHAR encoding[20];
1094 DWORD buflen = sizeof(encoding);
1095
1096 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read);
1097
1098 if (!(request = (request_t *)grab_object( hrequest )))
1099 {
1100 set_last_error( ERROR_INVALID_HANDLE );
1101 return FALSE;
1102 }
1103 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1104 {
1105 release_object( &request->hdr );
1106 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1107 return FALSE;
1108 }
1109
1110 if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) &&
1111 !strcmpiW( encoding, chunked ))
1112 {
1113 ret = read_data_chunked( request, buffer, to_read, read, request->hdr.flags & WINHTTP_FLAG_ASYNC );
1114 }
1115 else
1116 ret = read_data( request, buffer, to_read, read, request->hdr.flags & WINHTTP_FLAG_ASYNC );
1117
1118 release_object( &request->hdr );
1119 return ret;
1120 }
1121
1122 /***********************************************************************
1123 * WinHttpWriteData (winhttp.@)
1124 */
1125 BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written )
1126 {
1127 BOOL ret;
1128 request_t *request;
1129
1130 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written);
1131
1132 if (!(request = (request_t *)grab_object( hrequest )))
1133 {
1134 set_last_error( ERROR_INVALID_HANDLE );
1135 return FALSE;
1136 }
1137 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1138 {
1139 release_object( &request->hdr );
1140 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1141 return FALSE;
1142 }
1143
1144 ret = netconn_send( &request->netconn, buffer, to_write, 0, (int *)written );
1145
1146 release_object( &request->hdr );
1147 return ret;
1148 }
1149
1150 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1151
1152 static DWORD auth_scheme_from_header( WCHAR *header )
1153 {
1154 static const WCHAR basic[] = {'B','a','s','i','c'};
1155 static const WCHAR ntlm[] = {'N','T','L','M'};
1156 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1157 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1158 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1159
1160 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1161 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1162
1163 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1164 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1165
1166 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1167 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1168
1169 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1170 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1171
1172 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1173 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1174
1175 return 0;
1176 }
1177
1178 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1179 {
1180 DWORD index = 0;
1181 BOOL ret = FALSE;
1182
1183 for (;;)
1184 {
1185 WCHAR *buffer;
1186 DWORD size, scheme;
1187
1188 size = 0;
1189 query_headers( request, level, NULL, NULL, &size, &index );
1190 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1191
1192 index--;
1193 if (!(buffer = heap_alloc( size ))) return FALSE;
1194 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1195 {
1196 heap_free( buffer );
1197 return FALSE;
1198 }
1199 scheme = auth_scheme_from_header( buffer );
1200 if (index == 1) *first = scheme;
1201 *supported |= scheme;
1202
1203 heap_free( buffer );
1204 ret = TRUE;
1205 }
1206 return ret;
1207 }
1208
1209 /***********************************************************************
1210 * WinHttpQueryAuthSchemes (winhttp.@)
1211 */
1212 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1213 {
1214 BOOL ret = FALSE;
1215 request_t *request;
1216
1217 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1218
1219 if (!(request = (request_t *)grab_object( hrequest )))
1220 {
1221 set_last_error( ERROR_INVALID_HANDLE );
1222 return FALSE;
1223 }
1224 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1225 {
1226 release_object( &request->hdr );
1227 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1228 return FALSE;
1229 }
1230
1231 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1232 {
1233 *target = WINHTTP_AUTH_TARGET_SERVER;
1234 ret = TRUE;
1235 }
1236 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1237 {
1238 *target = WINHTTP_AUTH_TARGET_PROXY;
1239 ret = TRUE;
1240 }
1241
1242 release_object( &request->hdr );
1243 return ret;
1244 }
1245
1246 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1247 {
1248 UINT n = 0, x;
1249 static const char base64enc[] =
1250 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1251
1252 while (len > 0)
1253 {
1254 /* first 6 bits, all from bin[0] */
1255 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1256 x = (bin[0] & 3) << 4;
1257
1258 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1259 if (len == 1)
1260 {
1261 base64[n++] = base64enc[x];
1262 base64[n++] = '=';
1263 base64[n++] = '=';
1264 break;
1265 }
1266 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1267 x = (bin[1] & 0x0f) << 2;
1268
1269 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1270 if (len == 2)
1271 {
1272 base64[n++] = base64enc[x];
1273 base64[n++] = '=';
1274 break;
1275 }
1276 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1277
1278 /* last 6 bits, all from bin [2] */
1279 base64[n++] = base64enc[bin[2] & 0x3f];
1280 bin += 3;
1281 len -= 3;
1282 }
1283 base64[n] = 0;
1284 return n;
1285 }
1286
1287 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1288 {
1289 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1290
1291 const WCHAR *auth_scheme, *auth_target;
1292 WCHAR *auth_header;
1293 DWORD len, auth_data_len;
1294 char *auth_data;
1295 BOOL ret;
1296
1297 switch (target)
1298 {
1299 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1300 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1301 default:
1302 WARN("unknown target %x\n", target);
1303 return FALSE;
1304 }
1305 switch (scheme)
1306 {
1307 case WINHTTP_AUTH_SCHEME_BASIC:
1308 {
1309 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1310 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1311
1312 TRACE("basic authentication\n");
1313
1314 auth_scheme = basic;
1315 auth_data_len = userlen + 1 + passlen;
1316 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
1317
1318 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
1319 auth_data[userlen] = ':';
1320 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
1321 break;
1322 }
1323 case WINHTTP_AUTH_SCHEME_NTLM:
1324 case WINHTTP_AUTH_SCHEME_PASSPORT:
1325 case WINHTTP_AUTH_SCHEME_DIGEST:
1326 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
1327 FIXME("unimplemented authentication scheme %x\n", scheme);
1328 return FALSE;
1329 default:
1330 WARN("unknown authentication scheme %x\n", scheme);
1331 return FALSE;
1332 }
1333
1334 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
1335 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
1336 {
1337 heap_free( auth_data );
1338 return FALSE;
1339 }
1340 strcpyW( auth_header, auth_scheme );
1341 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
1342
1343 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
1344
1345 heap_free( auth_data );
1346 heap_free( auth_header );
1347 return ret;
1348 }
1349
1350 /***********************************************************************
1351 * WinHttpSetCredentials (winhttp.@)
1352 */
1353 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
1354 LPCWSTR password, LPVOID params )
1355 {
1356 BOOL ret;
1357 request_t *request;
1358
1359 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
1360
1361 if (!(request = (request_t *)grab_object( hrequest )))
1362 {
1363 set_last_error( ERROR_INVALID_HANDLE );
1364 return FALSE;
1365 }
1366 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1367 {
1368 release_object( &request->hdr );
1369 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1370 return FALSE;
1371 }
1372
1373 ret = set_credentials( request, target, scheme, username, password );
1374
1375 release_object( &request->hdr );
1376 return ret;
1377 }
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