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winhttp: Implement WinHttpSendRequest.
[wine.git] / dlls / winhttp / request.c
blob8a323204259013e2810cdbb15bd789e69a5965cf
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
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winnls.h"
31 #include "winhttp.h"
32
33 #include "winhttp_private.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
36
37 static const WCHAR attr_accept[] = {'A','c','c','e','p','t',0};
38 static const WCHAR attr_accept_charset[] = {'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0};
39 static const WCHAR attr_accept_encoding[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0};
40 static const WCHAR attr_accept_language[] = {'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0};
41 static const WCHAR attr_accept_ranges[] = {'A','c','c','e','p','t','-','R','a','n','g','e','s',0};
42 static const WCHAR attr_age[] = {'A','g','e',0};
43 static const WCHAR attr_allow[] = {'A','l','l','o','w',0};
44 static const WCHAR attr_authorization[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',0};
45 static const WCHAR attr_cache_control[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l',0};
46 static const WCHAR attr_connection[] = {'C','o','n','n','e','c','t','i','o','n',0};
47 static const WCHAR attr_content_base[] = {'C','o','n','t','e','n','t','-','B','a','s','e',0};
48 static const WCHAR attr_content_encoding[] = {'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0};
49 static const WCHAR attr_content_id[] = {'C','o','n','t','e','n','t','-','I','D',0};
50 static const WCHAR attr_content_language[] = {'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0};
51 static const WCHAR attr_content_length[] = {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0};
52 static const WCHAR attr_content_location[] = {'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0};
53 static const WCHAR attr_content_md5[] = {'C','o','n','t','e','n','t','-','M','D','5',0};
54 static const WCHAR attr_content_range[] = {'C','o','n','t','e','n','t','-','R','a','n','g','e',0};
55 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};
56 static const WCHAR attr_content_type[] = {'C','o','n','t','e','n','t','-','T','y','p','e',0};
57 static const WCHAR attr_cookie[] = {'C','o','o','k','i','e',0};
58 static const WCHAR attr_date[] = {'D','a','t','e',0};
59 static const WCHAR attr_from[] = {'F','r','o','m',0};
60 static const WCHAR attr_etag[] = {'E','T','a','g',0};
61 static const WCHAR attr_expect[] = {'E','x','p','e','c','t',0};
62 static const WCHAR attr_expires[] = {'E','x','p','i','r','e','s',0};
63 static const WCHAR attr_host[] = {'H','o','s','t',0};
64 static const WCHAR attr_if_match[] = {'I','f','-','M','a','t','c','h',0};
65 static const WCHAR attr_if_modified_since[] = {'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0};
66 static const WCHAR attr_if_none_match[] = {'I','f','-','N','o','n','e','-','M','a','t','c','h',0};
67 static const WCHAR attr_if_range[] = {'I','f','-','R','a','n','g','e',0};
68 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};
69 static const WCHAR attr_last_modified[] = {'L','a','s','t','-','M','o','d','i','f','i','e','d',0};
70 static const WCHAR attr_location[] = {'L','o','c','a','t','i','o','n',0};
71 static const WCHAR attr_max_forwards[] = {'M','a','x','-','F','o','r','w','a','r','d','s',0};
72 static const WCHAR attr_mime_version[] = {'M','i','m','e','-','V','e','r','s','i','o','n',0};
73 static const WCHAR attr_pragma[] = {'P','r','a','g','m','a',0};
74 static const WCHAR attr_proxy_authenticate[] = {'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
75 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};
76 static const WCHAR attr_proxy_connection[] = {'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0};
77 static const WCHAR attr_public[] = {'P','u','b','l','i','c',0};
78 static const WCHAR attr_range[] = {'R','a','n','g','e',0};
79 static const WCHAR attr_referer[] = {'R','e','f','e','r','e','r',0};
80 static const WCHAR attr_retry_after[] = {'R','e','t','r','y','-','A','f','t','e','r',0};
81 static const WCHAR attr_server[] = {'S','e','r','v','e','r',0};
82 static const WCHAR attr_set_cookie[] = {'S','e','t','-','C','o','o','k','i','e',0};
83 static const WCHAR attr_status[] = {'S','t','a','t','u','s',0};
84 static const WCHAR attr_transfer_encoding[] = {'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0};
85 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};
86 static const WCHAR attr_upgrade[] = {'U','p','g','r','a','d','e',0};
87 static const WCHAR attr_uri[] = {'U','R','I',0};
88 static const WCHAR attr_user_agent[] = {'U','s','e','r','-','A','g','e','n','t',0};
89 static const WCHAR attr_vary[] = {'V','a','r','y',0};
90 static const WCHAR attr_via[] = {'V','i','a',0};
91 static const WCHAR attr_warning[] = {'W','a','r','n','i','n','g',0};
92 static const WCHAR attr_www_authenticate[] = {'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0};
93
94 static const WCHAR *attribute_table[] =
95 {
96 attr_mime_version, /* WINHTTP_QUERY_MIME_VERSION = 0 */
97 attr_content_type, /* WINHTTP_QUERY_CONTENT_TYPE = 1 */
98 attr_content_transfer_encoding, /* WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */
99 attr_content_id, /* WINHTTP_QUERY_CONTENT_ID = 3 */
100 NULL, /* WINHTTP_QUERY_CONTENT_DESCRIPTION = 4 */
101 attr_content_length, /* WINHTTP_QUERY_CONTENT_LENGTH = 5 */
102 attr_content_language, /* WINHTTP_QUERY_CONTENT_LANGUAGE = 6 */
103 attr_allow, /* WINHTTP_QUERY_ALLOW = 7 */
104 attr_public, /* WINHTTP_QUERY_PUBLIC = 8 */
105 attr_date, /* WINHTTP_QUERY_DATE = 9 */
106 attr_expires, /* WINHTTP_QUERY_EXPIRES = 10 */
107 attr_last_modified, /* WINHTTP_QUERY_LAST_MODIFIEDcw = 11 */
108 NULL, /* WINHTTP_QUERY_MESSAGE_ID = 12 */
109 attr_uri, /* WINHTTP_QUERY_URI = 13 */
110 attr_from, /* WINHTTP_QUERY_DERIVED_FROM = 14 */
111 NULL, /* WINHTTP_QUERY_COST = 15 */
112 NULL, /* WINHTTP_QUERY_LINK = 16 */
113 attr_pragma, /* WINHTTP_QUERY_PRAGMA = 17 */
114 NULL, /* WINHTTP_QUERY_VERSION = 18 */
115 attr_status, /* WINHTTP_QUERY_STATUS_CODE = 19 */
116 NULL, /* WINHTTP_QUERY_STATUS_TEXT = 20 */
117 NULL, /* WINHTTP_QUERY_RAW_HEADERS = 21 */
118 NULL, /* WINHTTP_QUERY_RAW_HEADERS_CRLF = 22 */
119 attr_connection, /* WINHTTP_QUERY_CONNECTION = 23 */
120 attr_accept, /* WINHTTP_QUERY_ACCEPT = 24 */
121 attr_accept_charset, /* WINHTTP_QUERY_ACCEPT_CHARSET = 25 */
122 attr_accept_encoding, /* WINHTTP_QUERY_ACCEPT_ENCODING = 26 */
123 attr_accept_language, /* WINHTTP_QUERY_ACCEPT_LANGUAGE = 27 */
124 attr_authorization, /* WINHTTP_QUERY_AUTHORIZATION = 28 */
125 attr_content_encoding, /* WINHTTP_QUERY_CONTENT_ENCODING = 29 */
126 NULL, /* WINHTTP_QUERY_FORWARDED = 30 */
127 NULL, /* WINHTTP_QUERY_FROM = 31 */
128 attr_if_modified_since, /* WINHTTP_QUERY_IF_MODIFIED_SINCE = 32 */
129 attr_location, /* WINHTTP_QUERY_LOCATION = 33 */
130 NULL, /* WINHTTP_QUERY_ORIG_URI = 34 */
131 attr_referer, /* WINHTTP_QUERY_REFERER = 35 */
132 attr_retry_after, /* WINHTTP_QUERY_RETRY_AFTER = 36 */
133 attr_server, /* WINHTTP_QUERY_SERVER = 37 */
134 NULL, /* WINHTTP_TITLE = 38 */
135 attr_user_agent, /* WINHTTP_QUERY_USER_AGENT = 39 */
136 attr_www_authenticate, /* WINHTTP_QUERY_WWW_AUTHENTICATE = 40 */
137 attr_proxy_authenticate, /* WINHTTP_QUERY_PROXY_AUTHENTICATE = 41 */
138 attr_accept_ranges, /* WINHTTP_QUERY_ACCEPT_RANGES = 42 */
139 attr_set_cookie, /* WINHTTP_QUERY_SET_COOKIE = 43 */
140 attr_cookie, /* WINHTTP_QUERY_COOKIE = 44 */
141 NULL, /* WINHTTP_QUERY_REQUEST_METHOD = 45 */
142 NULL, /* WINHTTP_QUERY_REFRESH = 46 */
143 NULL, /* WINHTTP_QUERY_CONTENT_DISPOSITION = 47 */
144 attr_age, /* WINHTTP_QUERY_AGE = 48 */
145 attr_cache_control, /* WINHTTP_QUERY_CACHE_CONTROL = 49 */
146 attr_content_base, /* WINHTTP_QUERY_CONTENT_BASE = 50 */
147 attr_content_location, /* WINHTTP_QUERY_CONTENT_LOCATION = 51 */
148 attr_content_md5, /* WINHTTP_QUERY_CONTENT_MD5 = 52 */
149 attr_content_range, /* WINHTTP_QUERY_CONTENT_RANGE = 53 */
150 attr_etag, /* WINHTTP_QUERY_ETAG = 54 */
151 attr_host, /* WINHTTP_QUERY_HOST = 55 */
152 attr_if_match, /* WINHTTP_QUERY_IF_MATCH = 56 */
153 attr_if_none_match, /* WINHTTP_QUERY_IF_NONE_MATCH = 57 */
154 attr_if_range, /* WINHTTP_QUERY_IF_RANGE = 58 */
155 attr_if_unmodified_since, /* WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */
156 attr_max_forwards, /* WINHTTP_QUERY_MAX_FORWARDS = 60 */
157 attr_proxy_authorization, /* WINHTTP_QUERY_PROXY_AUTHORIZATION = 61 */
158 attr_range, /* WINHTTP_QUERY_RANGE = 62 */
159 attr_transfer_encoding, /* WINHTTP_QUERY_TRANSFER_ENCODING = 63 */
160 attr_upgrade, /* WINHTTP_QUERY_UPGRADE = 64 */
161 attr_vary, /* WINHTTP_QUERY_VARY = 65 */
162 attr_via, /* WINHTTP_QUERY_VIA = 66 */
163 attr_warning, /* WINHTTP_QUERY_WARNING = 67 */
164 attr_expect, /* WINHTTP_QUERY_EXPECT = 68 */
165 attr_proxy_connection, /* WINHTTP_QUERY_PROXY_CONNECTION = 69 */
166 attr_unless_modified_since, /* WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */
167 NULL, /* WINHTTP_QUERY_PROXY_SUPPORT = 75 */
168 NULL, /* WINHTTP_QUERY_AUTHENTICATION_INFO = 76 */
169 NULL, /* WINHTTP_QUERY_PASSPORT_URLS = 77 */
170 NULL /* WINHTTP_QUERY_PASSPORT_CONFIG = 78 */
171 };
172
173 static void free_header( header_t *header )
174 {
175 heap_free( header->field );
176 heap_free( header->value );
177 heap_free( header );
178 }
179
180 static BOOL valid_token_char( WCHAR c )
181 {
182 if (c < 32 || c == 127) return FALSE;
183 switch (c)
184 {
185 case '(': case ')':
186 case '<': case '>':
187 case '@': case ',':
188 case ';': case ':':
189 case '\\': case '\"':
190 case '/': case '[':
191 case ']': case '?':
192 case '=': case '{':
193 case '}': case ' ':
194 case '\t':
195 return FALSE;
196 default:
197 return TRUE;
198 }
199 }
200
201 static header_t *parse_header( LPCWSTR string )
202 {
203 const WCHAR *p, *q;
204 header_t *header;
205 int len;
206
207 p = string;
208 if (!(q = strchrW( p, ':' )))
209 {
210 WARN("no ':' in line %s\n", debugstr_w(string));
211 return NULL;
212 }
213 if (q == string)
214 {
215 WARN("empty field name in line %s\n", debugstr_w(string));
216 return NULL;
217 }
218 while (*p != ':')
219 {
220 if (!valid_token_char( *p ))
221 {
222 WARN("invalid character in field name %s\n", debugstr_w(string));
223 return NULL;
224 }
225 p++;
226 }
227 len = q - string;
228 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
229 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
230 {
231 heap_free( header );
232 return NULL;
233 }
234 memcpy( header->field, string, len * sizeof(WCHAR) );
235 header->field[len] = 0;
236
237 q++; /* skip past colon */
238 while (*q == ' ') q++;
239 if (!*q)
240 {
241 WARN("no value in line %s\n", debugstr_w(string));
242 return header;
243 }
244 len = strlenW( q );
245 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
246 {
247 free_header( header );
248 return NULL;
249 }
250 memcpy( header->value, q, len * sizeof(WCHAR) );
251 header->value[len] = 0;
252
253 return header;
254 }
255
256 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
257 {
258 int index;
259
260 TRACE("%s\n", debugstr_w(field));
261
262 for (index = 0; index < request->num_headers; index++)
263 {
264 if (strcmpiW( request->headers[index].field, field )) continue;
265 if (request_only && !request->headers[index].is_request) continue;
266 if (!request_only && request->headers[index].is_request) continue;
267
268 if (!requested_index) break;
269 requested_index--;
270 }
271 if (index >= request->num_headers) index = -1;
272 TRACE("returning %d\n", index);
273 return index;
274 }
275
276 static BOOL insert_header( request_t *request, header_t *header )
277 {
278 DWORD count;
279 header_t *hdrs;
280
281 TRACE("inserting %s: %s\n", debugstr_w(header->field), debugstr_w(header->value));
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 len = strlenW( headers ) * sizeof(WCHAR);
545 if (len + sizeof(WCHAR) > *buflen)
546 {
547 len += sizeof(WCHAR);
548 set_last_error( ERROR_INSUFFICIENT_BUFFER );
549 }
550 else if (buffer)
551 {
552 memcpy( buffer, headers, len + sizeof(WCHAR) );
553 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
554 ret = TRUE;
555 }
556 *buflen = len;
557 if (request_only) heap_free( headers );
558 return ret;
559 }
560 default:
561 {
562 if (attr > sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
563 {
564 FIXME("attribute %u not implemented\n", attr);
565 return FALSE;
566 }
567 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
568 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
569 }
570 }
571
572 if (header_index >= 0)
573 {
574 header = &request->headers[header_index];
575 }
576 if (!header || (request_only && !header->is_request))
577 {
578 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
579 return FALSE;
580 }
581 if (index) *index += 1;
582 if (level & WINHTTP_QUERY_FLAG_NUMBER)
583 {
584 int *number = buffer;
585 if (sizeof(int) > *buflen)
586 {
587 set_last_error( ERROR_INSUFFICIENT_BUFFER );
588 }
589 else if (number)
590 {
591 *number = atoiW( header->value );
592 TRACE("returning number: %d\n", *number);
593 ret = TRUE;
594 }
595 *buflen = sizeof(int);
596 }
597 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
598 {
599 SYSTEMTIME *st = buffer;
600 if (sizeof(SYSTEMTIME) > *buflen)
601 {
602 set_last_error( ERROR_INSUFFICIENT_BUFFER );
603 }
604 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
605 {
606 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
607 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
608 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
609 }
610 *buflen = sizeof(SYSTEMTIME);
611 }
612 else if (header->value)
613 {
614 WCHAR *string = buffer;
615 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
616 if (len > *buflen)
617 {
618 set_last_error( ERROR_INSUFFICIENT_BUFFER );
619 *buflen = len;
620 return FALSE;
621 }
622 else if (string)
623 {
624 strcpyW( string, header->value );
625 TRACE("returning string: %s\n", debugstr_w(string));
626 ret = TRUE;
627 }
628 *buflen = len - sizeof(WCHAR);
629 }
630 return ret;
631 }
632
633 /***********************************************************************
634 * WinHttpQueryHeaders (winhttp.@)
635 */
636 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
637 {
638 BOOL ret;
639 request_t *request;
640
641 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
642
643 if (!(request = (request_t *)grab_object( hrequest )))
644 {
645 set_last_error( ERROR_INVALID_HANDLE );
646 return FALSE;
647 }
648 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
649 {
650 release_object( &request->hdr );
651 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
652 return FALSE;
653 }
654
655 ret = query_headers( request, level, name, buffer, buflen, index );
656
657 release_object( &request->hdr );
658 return ret;
659 }
660
661 static BOOL open_connection( request_t *request )
662 {
663 connect_t *connect;
664 char address[32];
665 WCHAR *addressW;
666
667 if (netconn_connected( &request->netconn )) return TRUE;
668
669 connect = request->connect;
670 if (!netconn_resolve( connect->servername, connect->serverport, &connect->sockaddr )) return FALSE;
671
672 inet_ntop( connect->sockaddr.sin_family, &connect->sockaddr.sin_addr, address, sizeof(address) );
673 TRACE("connecting to %s:%u\n", address, ntohs(connect->sockaddr.sin_port));
674 addressW = strdupAW( address );
675
676 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
677
678 if (!netconn_create( &request->netconn, connect->sockaddr.sin_family, SOCK_STREAM, 0 ))
679 {
680 heap_free( addressW );
681 return FALSE;
682 }
683 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, sizeof(struct sockaddr_in) ))
684 {
685 netconn_close( &request->netconn );
686 heap_free( addressW );
687 return FALSE;
688 }
689
690 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, 0 );
691
692 heap_free( addressW );
693 return TRUE;
694 }
695
696 void close_connection( request_t *request )
697 {
698 if (!netconn_connected( &request->netconn )) return;
699
700 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
701 netconn_close( &request->netconn );
702 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
703 }
704
705 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
706 DWORD optional_len, DWORD total_len, DWORD_PTR context )
707 {
708 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
709 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
710 static const WCHAR length_fmt[] = {'%','l','d',0};
711
712 BOOL ret = FALSE;
713 connect_t *connect = request->connect;
714 session_t *session = connect->session;
715 WCHAR *req = NULL;
716 char *req_ascii;
717 int bytes_sent;
718 DWORD len;
719
720 if (session->agent)
721 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
722
723 if (connect->hostname)
724 process_header( request, attr_host, connect->hostname, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
725
726 if (optional_len)
727 {
728 WCHAR length[21]; /* decimal long int + null */
729 sprintfW( length, length_fmt, optional_len );
730 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
731 }
732 if (!(request->hdr.flags & WINHTTP_DISABLE_KEEP_ALIVE))
733 {
734 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
735 }
736 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
737 {
738 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
739 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
740 }
741 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
742 {
743 TRACE("failed to add request headers\n");
744 return FALSE;
745 }
746
747 if (!(ret = open_connection( request ))) goto end;
748 if (!(req = build_request_string( request, request->verb, request->path, request->version ))) goto end;
749
750 if (!(req_ascii = strdupWA( req ))) goto end;
751 TRACE("full request: %s\n", debugstr_a(req_ascii));
752 len = strlen(req_ascii);
753
754 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
755
756 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
757 heap_free( req_ascii );
758 if (!ret) goto end;
759
760 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
761 len += optional_len;
762
763 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
764
765 end:
766 heap_free( req );
767 return ret;
768 }
769
770 /***********************************************************************
771 * WinHttpSendRequest (winhttp.@)
772 */
773 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
774 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
775 {
776 BOOL ret;
777 request_t *request;
778
779 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
780 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
781
782 if (!(request = (request_t *)grab_object( hrequest )))
783 {
784 set_last_error( ERROR_INVALID_HANDLE );
785 return FALSE;
786 }
787 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
788 {
789 release_object( &request->hdr );
790 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
791 return FALSE;
792 }
793
794 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context );
795
796 release_object( &request->hdr );
797 return ret;
798 }
Windows API implementation