widl: Include the version number in the __WIDL__ preprocessor definition.
[wine/multimedia.git] / dlls / winhttp / request.c
blobddfac13c44907f367915117b1461cd7102c55711
1 /*
2 * Copyright 2008 Hans Leidekker for CodeWeavers
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.
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.
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
19 #include "config.h"
20 #include "wine/port.h"
21 #include "wine/debug.h"
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
31 #include "windef.h"
32 #include "winbase.h"
33 #include "winhttp.h"
35 #include "winhttp_private.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
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};
96 static const WCHAR *attribute_table[] =
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 */
175 static DWORD CALLBACK task_thread( LPVOID param )
177 task_header_t *task = param;
179 task->proc( task );
181 release_object( &task->request->hdr );
182 heap_free( task );
183 return ERROR_SUCCESS;
186 static BOOL queue_task( task_header_t *task )
188 return QueueUserWorkItem( task_thread, task, WT_EXECUTELONGFUNCTION );
191 static void free_header( header_t *header )
193 heap_free( header->field );
194 heap_free( header->value );
195 heap_free( header );
198 static BOOL valid_token_char( WCHAR c )
200 if (c < 32 || c == 127) return FALSE;
201 switch (c)
203 case '(': case ')':
204 case '<': case '>':
205 case '@': case ',':
206 case ';': case ':':
207 case '\\': case '\"':
208 case '/': case '[':
209 case ']': case '?':
210 case '=': case '{':
211 case '}': case ' ':
212 case '\t':
213 return FALSE;
214 default:
215 return TRUE;
219 static header_t *parse_header( LPCWSTR string )
221 const WCHAR *p, *q;
222 header_t *header;
223 int len;
225 p = string;
226 if (!(q = strchrW( p, ':' )))
228 WARN("no ':' in line %s\n", debugstr_w(string));
229 return NULL;
231 if (q == string)
233 WARN("empty field name in line %s\n", debugstr_w(string));
234 return NULL;
236 while (*p != ':')
238 if (!valid_token_char( *p ))
240 WARN("invalid character in field name %s\n", debugstr_w(string));
241 return NULL;
243 p++;
245 len = q - string;
246 if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL;
247 if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) )))
249 heap_free( header );
250 return NULL;
252 memcpy( header->field, string, len * sizeof(WCHAR) );
253 header->field[len] = 0;
255 q++; /* skip past colon */
256 while (*q == ' ') q++;
257 if (!*q)
259 WARN("no value in line %s\n", debugstr_w(string));
260 return header;
262 len = strlenW( q );
263 if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) )))
265 free_header( header );
266 return NULL;
268 memcpy( header->value, q, len * sizeof(WCHAR) );
269 header->value[len] = 0;
271 return header;
274 static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only )
276 int index;
278 TRACE("%s\n", debugstr_w(field));
280 for (index = 0; index < request->num_headers; index++)
282 if (strcmpiW( request->headers[index].field, field )) continue;
283 if (request_only && !request->headers[index].is_request) continue;
284 if (!request_only && request->headers[index].is_request) continue;
286 if (!requested_index) break;
287 requested_index--;
289 if (index >= request->num_headers) index = -1;
290 TRACE("returning %d\n", index);
291 return index;
294 static BOOL insert_header( request_t *request, header_t *header )
296 DWORD count;
297 header_t *hdrs;
299 count = request->num_headers + 1;
300 if (count > 1)
301 hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count );
302 else
303 hdrs = heap_alloc_zero( sizeof(header_t) * count );
305 if (hdrs)
307 request->headers = hdrs;
308 request->headers[count - 1].field = strdupW( header->field );
309 request->headers[count - 1].value = strdupW( header->value );
310 request->headers[count - 1].is_request = header->is_request;
311 request->num_headers++;
312 return TRUE;
314 return FALSE;
317 static BOOL delete_header( request_t *request, DWORD index )
319 if (!request->num_headers) return FALSE;
320 if (index >= request->num_headers) return FALSE;
321 request->num_headers--;
323 heap_free( request->headers[index].field );
324 heap_free( request->headers[index].value );
326 memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) );
327 memset( &request->headers[request->num_headers], 0, sizeof(header_t) );
328 return TRUE;
331 static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only )
333 int index;
334 header_t *header;
336 TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags);
338 /* replace wins out over add */
339 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD;
341 if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1;
342 else
343 index = get_header_index( request, field, 0, request_only );
345 if (index >= 0)
347 if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE;
348 header = &request->headers[index];
350 else if (value)
352 header_t hdr;
354 hdr.field = (LPWSTR)field;
355 hdr.value = (LPWSTR)value;
356 hdr.is_request = request_only;
358 return insert_header( request, &hdr );
360 /* no value to delete */
361 else return TRUE;
363 if (flags & WINHTTP_ADDREQ_FLAG_REPLACE)
365 delete_header( request, index );
366 if (value)
368 header_t hdr;
370 hdr.field = (LPWSTR)field;
371 hdr.value = (LPWSTR)value;
372 hdr.is_request = request_only;
374 return insert_header( request, &hdr );
376 return TRUE;
378 else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON))
380 WCHAR sep, *tmp;
381 int len, orig_len, value_len;
383 orig_len = strlenW( header->value );
384 value_len = strlenW( value );
386 if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ',';
387 else sep = ';';
389 len = orig_len + value_len + 2;
390 if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) )))
392 header->value = tmp;
394 header->value[orig_len] = sep;
395 orig_len++;
396 header->value[orig_len] = ' ';
397 orig_len++;
399 memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) );
400 header->value[len] = 0;
401 return TRUE;
404 return TRUE;
407 BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags )
409 BOOL ret = FALSE;
410 WCHAR *buffer, *p, *q;
411 header_t *header;
413 if (len == ~0u) len = strlenW( headers );
414 if (!(buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return FALSE;
415 strcpyW( buffer, headers );
417 p = buffer;
420 q = p;
421 while (*q)
423 if (q[0] == '\r' && q[1] == '\n') break;
424 q++;
426 if (!*p) break;
427 if (*q == '\r')
429 *q = 0;
430 q += 2; /* jump over \r\n */
432 if ((header = parse_header( p )))
434 ret = process_header( request, header->field, header->value, flags, TRUE );
435 free_header( header );
437 p = q;
438 } while (ret);
440 heap_free( buffer );
441 return ret;
444 /***********************************************************************
445 * WinHttpAddRequestHeaders (winhttp.@)
447 BOOL WINAPI WinHttpAddRequestHeaders( HINTERNET hrequest, LPCWSTR headers, DWORD len, DWORD flags )
449 BOOL ret;
450 request_t *request;
452 TRACE("%p, %s, 0x%x, 0x%08x\n", hrequest, debugstr_w(headers), len, flags);
454 if (!headers)
456 set_last_error( ERROR_INVALID_PARAMETER );
457 return FALSE;
459 if (!(request = (request_t *)grab_object( hrequest )))
461 set_last_error( ERROR_INVALID_HANDLE );
462 return FALSE;
464 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
466 release_object( &request->hdr );
467 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
468 return FALSE;
471 ret = add_request_headers( request, headers, len, flags );
473 release_object( &request->hdr );
474 return ret;
477 static WCHAR *build_request_string( request_t *request )
479 static const WCHAR space[] = {' ',0};
480 static const WCHAR crlf[] = {'\r','\n',0};
481 static const WCHAR colon[] = {':',' ',0};
482 static const WCHAR twocrlf[] = {'\r','\n','\r','\n',0};
484 WCHAR *ret;
485 const WCHAR **headers, **p;
486 unsigned int len, i = 0, j;
488 /* allocate space for an array of all the string pointers to be added */
489 len = request->num_headers * 4 + 7;
490 if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL;
492 headers[i++] = request->verb;
493 headers[i++] = space;
494 headers[i++] = request->path;
495 headers[i++] = space;
496 headers[i++] = request->version;
498 for (j = 0; j < request->num_headers; j++)
500 if (request->headers[j].is_request)
502 headers[i++] = crlf;
503 headers[i++] = request->headers[j].field;
504 headers[i++] = colon;
505 headers[i++] = request->headers[j].value;
507 TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field),
508 debugstr_w(request->headers[j].value));
511 headers[i++] = twocrlf;
512 headers[i] = NULL;
514 len = 0;
515 for (p = headers; *p; p++) len += strlenW( *p );
516 len++;
518 if (!(ret = heap_alloc( len * sizeof(WCHAR) )))
520 heap_free( headers );
521 return NULL;
523 *ret = 0;
524 for (p = headers; *p; p++) strcatW( ret, *p );
526 heap_free( headers );
527 return ret;
530 #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER)
532 static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
534 header_t *header = NULL;
535 BOOL request_only, ret = FALSE;
536 int requested_index, header_index = -1;
537 DWORD attr, len;
539 request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS;
540 requested_index = index ? *index : 0;
542 attr = level & ~QUERY_MODIFIER_MASK;
543 switch (attr)
545 case WINHTTP_QUERY_CUSTOM:
547 header_index = get_header_index( request, name, requested_index, request_only );
548 break;
550 case WINHTTP_QUERY_RAW_HEADERS:
552 WCHAR *headers, *p, *q;
554 if (request_only)
555 headers = build_request_string( request );
556 else
557 headers = request->raw_headers;
559 if (!(p = headers)) return FALSE;
560 for (len = 0; *p; p++) if (*p != '\r') len++;
562 if ((len + 1) * sizeof(WCHAR) > *buflen || !buffer)
564 len++;
565 set_last_error( ERROR_INSUFFICIENT_BUFFER );
567 else if (buffer)
569 for (p = headers, q = buffer; *p; p++, q++)
571 if (*p != '\r') *q = *p;
572 else
574 *q = 0;
575 p++; /* skip '\n' */
578 *q = 0;
579 TRACE("returning data: %s\n", debugstr_wn(buffer, len));
580 ret = TRUE;
582 *buflen = len * sizeof(WCHAR);
583 if (request_only) heap_free( headers );
584 return ret;
586 case WINHTTP_QUERY_RAW_HEADERS_CRLF:
588 WCHAR *headers;
590 if (request_only)
591 headers = build_request_string( request );
592 else
593 headers = request->raw_headers;
595 if (!headers) return FALSE;
596 len = strlenW( headers ) * sizeof(WCHAR);
597 if (len + sizeof(WCHAR) > *buflen || !buffer)
599 len += sizeof(WCHAR);
600 set_last_error( ERROR_INSUFFICIENT_BUFFER );
602 else if (buffer)
604 memcpy( buffer, headers, len + sizeof(WCHAR) );
605 TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR)));
606 ret = TRUE;
608 *buflen = len;
609 if (request_only) heap_free( headers );
610 return ret;
612 default:
614 if (attr >= sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr])
616 FIXME("attribute %u not implemented\n", attr);
617 return FALSE;
619 TRACE("attribute %s\n", debugstr_w(attribute_table[attr]));
620 header_index = get_header_index( request, attribute_table[attr], requested_index, request_only );
624 if (header_index >= 0)
626 header = &request->headers[header_index];
628 if (!header || (request_only && !header->is_request))
630 set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND );
631 return FALSE;
633 if (index) *index += 1;
634 if (level & WINHTTP_QUERY_FLAG_NUMBER)
636 int *number = buffer;
637 if (sizeof(int) > *buflen)
639 set_last_error( ERROR_INSUFFICIENT_BUFFER );
641 else if (number)
643 *number = atoiW( header->value );
644 TRACE("returning number: %d\n", *number);
645 ret = TRUE;
647 *buflen = sizeof(int);
649 else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME)
651 SYSTEMTIME *st = buffer;
652 if (sizeof(SYSTEMTIME) > *buflen)
654 set_last_error( ERROR_INSUFFICIENT_BUFFER );
656 else if (st && (ret = WinHttpTimeToSystemTime( header->value, st )))
658 TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
659 st->wYear, st->wMonth, st->wDay, st->wDayOfWeek,
660 st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
662 *buflen = sizeof(SYSTEMTIME);
664 else if (header->value)
666 WCHAR *string = buffer;
667 DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR);
668 if (len > *buflen)
670 set_last_error( ERROR_INSUFFICIENT_BUFFER );
671 *buflen = len;
672 return FALSE;
674 else if (string)
676 strcpyW( string, header->value );
677 TRACE("returning string: %s\n", debugstr_w(string));
678 ret = TRUE;
680 *buflen = len - sizeof(WCHAR);
682 return ret;
685 /***********************************************************************
686 * WinHttpQueryHeaders (winhttp.@)
688 BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index )
690 BOOL ret;
691 request_t *request;
693 TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index);
695 if (!(request = (request_t *)grab_object( hrequest )))
697 set_last_error( ERROR_INVALID_HANDLE );
698 return FALSE;
700 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
702 release_object( &request->hdr );
703 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
704 return FALSE;
707 ret = query_headers( request, level, name, buffer, buflen, index );
709 release_object( &request->hdr );
710 return ret;
713 static BOOL open_connection( request_t *request )
715 connect_t *connect;
716 char address[32];
717 WCHAR *addressW;
718 INTERNET_PORT port;
720 if (netconn_connected( &request->netconn )) return TRUE;
722 connect = request->connect;
723 port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
725 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, connect->servername, strlenW(connect->servername) + 1 );
727 if (!netconn_resolve( connect->servername, port, &connect->sockaddr )) return FALSE;
728 inet_ntop( connect->sockaddr.sin_family, &connect->sockaddr.sin_addr, address, sizeof(address) );
729 addressW = strdupAW( address );
731 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, addressW, strlenW(addressW) + 1 );
733 TRACE("connecting to %s:%u\n", address, ntohs(connect->sockaddr.sin_port));
735 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 );
737 if (!netconn_create( &request->netconn, connect->sockaddr.sin_family, SOCK_STREAM, 0 ))
739 heap_free( addressW );
740 return FALSE;
742 if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, sizeof(struct sockaddr_in) ))
744 netconn_close( &request->netconn );
745 heap_free( addressW );
746 return FALSE;
748 if (request->hdr.flags & WINHTTP_FLAG_SECURE && !netconn_secure_connect( &request->netconn ))
750 netconn_close( &request->netconn );
751 heap_free( addressW );
752 return FALSE;
755 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, strlenW(addressW) + 1 );
757 heap_free( addressW );
758 return TRUE;
761 void close_connection( request_t *request )
763 if (!netconn_connected( &request->netconn )) return;
765 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 );
766 netconn_close( &request->netconn );
767 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 );
770 static BOOL add_host_header( request_t *request, DWORD modifier )
772 BOOL ret;
773 DWORD len;
774 WCHAR *host;
775 static const WCHAR fmt[] = {'%','s',':','%','u',0};
776 connect_t *connect = request->connect;
777 INTERNET_PORT port;
779 port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80);
781 if (port == INTERNET_DEFAULT_HTTP_PORT || port == INTERNET_DEFAULT_HTTPS_PORT)
783 return process_header( request, attr_host, connect->hostname, modifier, TRUE );
785 len = strlenW( connect->hostname ) + 7; /* sizeof(":65335") */
786 if (!(host = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
787 sprintfW( host, fmt, connect->hostname, port );
788 ret = process_header( request, attr_host, host, modifier, TRUE );
789 heap_free( host );
790 return ret;
793 static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional,
794 DWORD optional_len, DWORD total_len, DWORD_PTR context, BOOL async )
796 static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
797 static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
798 static const WCHAR length_fmt[] = {'%','l','d',0};
800 BOOL ret = FALSE;
801 connect_t *connect = request->connect;
802 session_t *session = connect->session;
803 WCHAR *req = NULL;
804 char *req_ascii;
805 int bytes_sent;
806 DWORD len;
808 if (session->agent)
809 process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
811 if (connect->hostname)
812 add_host_header( request, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW );
814 if (total_len || (request->verb && !strcmpW( request->verb, postW )))
816 WCHAR length[21]; /* decimal long int + null */
817 sprintfW( length, length_fmt, total_len );
818 process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
820 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE))
822 process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
824 if (request->hdr.flags & WINHTTP_FLAG_REFRESH)
826 process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
827 process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
829 if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE ))
831 TRACE("failed to add request headers\n");
832 return FALSE;
834 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES) && !add_cookie_headers( request ))
836 WARN("failed to add cookie headers\n");
837 return FALSE;
840 if (!(ret = open_connection( request ))) goto end;
841 if (!(req = build_request_string( request ))) goto end;
843 if (!(req_ascii = strdupWA( req ))) goto end;
844 TRACE("full request: %s\n", debugstr_a(req_ascii));
845 len = strlen(req_ascii);
847 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 );
849 ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent );
850 heap_free( req_ascii );
851 if (!ret) goto end;
853 if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end;
854 len += optional_len;
856 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) );
858 end:
859 if (async)
861 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, NULL, 0 );
862 else
864 WINHTTP_ASYNC_RESULT result;
865 result.dwResult = API_SEND_REQUEST;
866 result.dwError = get_last_error();
867 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
870 heap_free( req );
871 return ret;
874 static void task_send_request( task_header_t *task )
876 send_request_t *s = (send_request_t *)task;
877 send_request( s->hdr.request, s->headers, s->headers_len, s->optional, s->optional_len, s->total_len, s->context, TRUE );
878 heap_free( s->headers );
881 /***********************************************************************
882 * WinHttpSendRequest (winhttp.@)
884 BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len,
885 LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context )
887 BOOL ret;
888 request_t *request;
890 TRACE("%p, %s, 0x%x, %u, %u, %lx\n",
891 hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context);
893 if (!(request = (request_t *)grab_object( hrequest )))
895 set_last_error( ERROR_INVALID_HANDLE );
896 return FALSE;
898 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
900 release_object( &request->hdr );
901 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
902 return FALSE;
905 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
907 send_request_t *s;
909 if (!(s = heap_alloc( sizeof(send_request_t) ))) return FALSE;
910 s->hdr.request = request;
911 s->hdr.proc = task_send_request;
912 s->headers = strdupW( headers );
913 s->headers_len = headers_len;
914 s->optional = optional;
915 s->optional_len = optional_len;
916 s->total_len = total_len;
917 s->context = context;
919 addref_object( &request->hdr );
920 ret = queue_task( (task_header_t *)s );
922 else
923 ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context, FALSE );
925 release_object( &request->hdr );
926 return ret;
929 static void clear_response_headers( request_t *request )
931 unsigned int i;
933 for (i = 0; i < request->num_headers; i++)
935 if (!request->headers[i].field) continue;
936 if (!request->headers[i].value) continue;
937 if (request->headers[i].is_request) continue;
938 delete_header( request, i );
939 i--;
943 #define MAX_REPLY_LEN 1460
944 #define INITIAL_HEADER_BUFFER_LEN 512
946 static BOOL read_reply( request_t *request )
948 static const WCHAR crlf[] = {'\r','\n',0};
950 char buffer[MAX_REPLY_LEN];
951 DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */
952 char *status_code, *status_text;
953 WCHAR *versionW, *status_textW, *raw_headers;
954 WCHAR status_codeW[4]; /* sizeof("nnn") */
956 if (!netconn_connected( &request->netconn )) return FALSE;
958 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 );
960 received_len = 0;
963 buflen = MAX_REPLY_LEN;
964 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE;
965 received_len += buflen;
967 /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */
968 if (!(status_code = strchr( buffer, ' ' ))) return FALSE;
969 status_code++;
970 if (!(status_text = strchr( status_code, ' ' ))) return FALSE;
971 if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE;
972 status_text++;
974 TRACE("version [%s] status code [%s] status text [%s]\n",
975 debugstr_an(buffer, status_code - buffer - 1),
976 debugstr_an(status_code, len),
977 debugstr_a(status_text));
979 } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */
981 /* we rely on the fact that the protocol is ascii */
982 MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len );
983 status_codeW[len] = 0;
984 if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE;
986 len = status_code - buffer;
987 if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
988 MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 );
989 versionW[len - 1] = 0;
991 heap_free( request->version );
992 request->version = versionW;
994 len = buflen - (status_text - buffer);
995 if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
996 MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len );
998 heap_free( request->status_text );
999 request->status_text = status_textW;
1001 len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_LEN );
1002 if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE;
1003 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen );
1004 memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) );
1006 heap_free( request->raw_headers );
1007 request->raw_headers = raw_headers;
1009 offset = buflen + crlf_len - 1;
1010 for (;;)
1012 header_t *header;
1014 buflen = MAX_REPLY_LEN;
1015 if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end;
1016 received_len += buflen;
1017 if (!*buffer) break;
1019 while (len - offset < buflen + crlf_len)
1021 WCHAR *tmp;
1022 len *= 2;
1023 if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE;
1024 request->raw_headers = raw_headers = tmp;
1026 MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen );
1028 if (!(header = parse_header( raw_headers + offset ))) break;
1029 if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE )))
1031 free_header( header );
1032 break;
1034 free_header( header );
1035 memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) );
1036 offset += buflen + crlf_len - 1;
1039 TRACE("raw headers: %s\n", debugstr_w(raw_headers));
1041 end:
1042 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) );
1043 return TRUE;
1046 static BOOL handle_redirect( request_t *request )
1048 BOOL ret = FALSE;
1049 DWORD size, len;
1050 URL_COMPONENTS uc;
1051 connect_t *connect = request->connect;
1052 INTERNET_PORT port;
1053 WCHAR *hostname = NULL, *location = NULL;
1054 int index;
1056 size = 0;
1057 query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL );
1058 if (!(location = heap_alloc( size ))) return FALSE;
1059 if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end;
1061 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 );
1063 memset( &uc, 0, sizeof(uc) );
1064 uc.dwStructSize = sizeof(uc);
1065 uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0u;
1067 if (!WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc )) /* assume relative redirect */
1069 WCHAR *path, *p;
1071 len = strlenW( location ) + 1;
1072 if (location[0] != '/') len++;
1073 if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end;
1075 if (location[0] != '/') *p++ = '/';
1076 strcpyW( p, location );
1078 heap_free( request->path );
1079 request->path = path;
1081 else
1083 if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE)
1085 TRACE("redirect from secure page to non-secure page\n");
1086 request->hdr.flags &= ~WINHTTP_FLAG_SECURE;
1088 else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE))
1090 TRACE("redirect from non-secure page to secure page\n");
1091 request->hdr.flags |= WINHTTP_FLAG_SECURE;
1094 len = uc.dwHostNameLength;
1095 if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1096 memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) );
1097 hostname[len] = 0;
1099 port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80);
1100 if (strcmpiW( connect->servername, hostname ) || connect->serverport != port)
1102 heap_free( connect->hostname );
1103 connect->hostname = hostname;
1104 heap_free( connect->servername );
1105 connect->servername = strdupW( connect->hostname );
1106 connect->serverport = connect->hostport = port;
1108 netconn_close( &request->netconn );
1109 if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end;
1111 if (!(ret = add_host_header( request, WINHTTP_ADDREQ_FLAG_REPLACE ))) goto end;
1112 if (!(ret = open_connection( request ))) goto end;
1114 heap_free( request->path );
1115 request->path = NULL;
1116 if (uc.dwUrlPathLength)
1118 len = uc.dwUrlPathLength + uc.dwExtraInfoLength;
1119 if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end;
1120 strcpyW( request->path, uc.lpszUrlPath );
1122 else request->path = strdupW( slashW );
1125 /* remove content-type/length headers */
1126 if ((index = get_header_index( request, attr_content_type, 0, TRUE )) >= 0) delete_header( request, index );
1127 if ((index = get_header_index( request, attr_content_length, 0, TRUE )) >= 0 ) delete_header( request, index );
1129 /* redirects are always GET requests */
1130 heap_free( request->verb );
1131 request->verb = strdupW( getW );
1132 ret = TRUE;
1134 end:
1135 if (!ret) heap_free( hostname );
1136 heap_free( location );
1137 return ret;
1140 static BOOL receive_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1142 DWORD to_read;
1143 int bytes_read;
1145 to_read = min( size, request->content_length - request->content_read );
1146 if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1148 if (bytes_read != to_read)
1150 ERR("not all data received %d/%d\n", bytes_read, to_read);
1152 /* always return success, even if the network layer returns an error */
1153 *read = 0;
1154 return TRUE;
1156 request->content_read += bytes_read;
1157 *read = bytes_read;
1158 return TRUE;
1161 static DWORD get_chunk_size( const char *buffer )
1163 const char *p;
1164 DWORD size = 0;
1166 for (p = buffer; *p; p++)
1168 if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0';
1169 else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10;
1170 else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10;
1171 else if (*p == ';') break;
1173 return size;
1176 static BOOL receive_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async )
1178 char reply[MAX_REPLY_LEN], *p = buffer;
1179 DWORD buflen, to_read, to_write = size;
1180 int bytes_read;
1182 *read = 0;
1183 for (;;)
1185 if (*read == size) break;
1187 if (request->content_length == ~0u) /* new chunk */
1189 buflen = sizeof(reply);
1190 if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break;
1192 if (!(request->content_length = get_chunk_size( reply )))
1194 /* zero sized chunk marks end of transfer; read any trailing headers and return */
1195 read_reply( request );
1196 break;
1199 to_read = min( to_write, request->content_length - request->content_read );
1201 if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read ))
1203 if (bytes_read != to_read)
1205 ERR("Not all data received %d/%d\n", bytes_read, to_read);
1207 /* always return success, even if the network layer returns an error */
1208 *read = 0;
1209 break;
1211 if (!bytes_read) break;
1213 request->content_read += bytes_read;
1214 to_write -= bytes_read;
1215 *read += bytes_read;
1216 p += bytes_read;
1218 if (request->content_read == request->content_length) /* chunk complete */
1220 request->content_read = 0;
1221 request->content_length = ~0u;
1223 buflen = sizeof(reply);
1224 if (!netconn_get_next_line( &request->netconn, reply, &buflen ))
1226 ERR("Malformed chunk\n");
1227 *read = 0;
1228 break;
1232 return TRUE;
1235 static void finished_reading( request_t *request )
1237 static const WCHAR closeW[] = {'c','l','o','s','e',0};
1239 BOOL close = FALSE;
1240 WCHAR connection[20];
1241 DWORD size = sizeof(connection);
1243 if (request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE) close = TRUE;
1244 else if (query_headers( request, WINHTTP_QUERY_CONNECTION, NULL, connection, &size, NULL ) ||
1245 query_headers( request, WINHTTP_QUERY_PROXY_CONNECTION, NULL, connection, &size, NULL ))
1247 if (!strcmpiW( connection, closeW )) close = TRUE;
1249 else if (!strcmpW( request->version, http1_0 )) close = TRUE;
1251 if (close) close_connection( request );
1252 request->content_length = ~0u;
1253 request->content_read = 0;
1256 static BOOL read_data( request_t *request, void *buffer, DWORD to_read, DWORD *read, BOOL async )
1258 static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0};
1260 BOOL ret;
1261 WCHAR encoding[20];
1262 DWORD num_bytes, buflen = sizeof(encoding);
1264 if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) &&
1265 !strcmpiW( encoding, chunked ))
1267 ret = receive_data_chunked( request, buffer, to_read, &num_bytes, async );
1269 else
1270 ret = receive_data( request, buffer, to_read, &num_bytes, async );
1272 if (async)
1274 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_READ_COMPLETE, buffer, num_bytes );
1275 else
1277 WINHTTP_ASYNC_RESULT result;
1278 result.dwResult = API_READ_DATA;
1279 result.dwError = get_last_error();
1280 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1283 if (ret)
1285 if (read) *read = num_bytes;
1286 if (!num_bytes) finished_reading( request );
1288 return ret;
1291 /* read any content returned by the server so that the connection can be reused */
1292 static void drain_content( request_t *request )
1294 DWORD bytes_read;
1295 char buffer[2048];
1297 if (!request->content_length) return;
1298 for (;;)
1300 if (!read_data( request, buffer, sizeof(buffer), &bytes_read, FALSE ) || !bytes_read) return;
1304 static void record_cookies( request_t *request )
1306 unsigned int i;
1308 for (i = 0; i < request->num_headers; i++)
1310 header_t *set_cookie = &request->headers[i];
1311 if (!strcmpiW( set_cookie->field, attr_set_cookie ) && !set_cookie->is_request)
1313 set_cookies( request, set_cookie->value );
1318 static BOOL receive_response( request_t *request, BOOL async )
1320 BOOL ret;
1321 DWORD size, query, status;
1323 for (;;)
1325 if (!(ret = read_reply( request ))) break;
1327 size = sizeof(DWORD);
1328 query = WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER;
1329 if (!(ret = query_headers( request, query, NULL, &status, &size, NULL ))) break;
1331 size = sizeof(DWORD);
1332 query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER;
1333 if (!query_headers( request, query, NULL, &request->content_length, &size, NULL ))
1334 request->content_length = ~0u;
1336 if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES)) record_cookies( request );
1338 if (status == 301 || status == 302)
1340 if (request->hdr.disable_flags & WINHTTP_DISABLE_REDIRECTS) break;
1342 drain_content( request );
1343 if (!(ret = handle_redirect( request ))) break;
1345 clear_response_headers( request );
1346 ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE ); /* recurse synchronously */
1347 continue;
1349 if (status == 401) FIXME("authentication not supported\n");
1350 break;
1353 if (async)
1355 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE, NULL, 0 );
1356 else
1358 WINHTTP_ASYNC_RESULT result;
1359 result.dwResult = API_RECEIVE_RESPONSE;
1360 result.dwError = get_last_error();
1361 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1364 return ret;
1367 static void task_receive_response( task_header_t *task )
1369 receive_response_t *r = (receive_response_t *)task;
1370 receive_response( r->hdr.request, TRUE );
1373 /***********************************************************************
1374 * WinHttpReceiveResponse (winhttp.@)
1376 BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved )
1378 BOOL ret;
1379 request_t *request;
1381 TRACE("%p, %p\n", hrequest, reserved);
1383 if (!(request = (request_t *)grab_object( hrequest )))
1385 set_last_error( ERROR_INVALID_HANDLE );
1386 return FALSE;
1388 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1390 release_object( &request->hdr );
1391 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1392 return FALSE;
1395 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1397 receive_response_t *r;
1399 if (!(r = heap_alloc( sizeof(receive_response_t) ))) return FALSE;
1400 r->hdr.request = request;
1401 r->hdr.proc = task_receive_response;
1403 addref_object( &request->hdr );
1404 ret = queue_task( (task_header_t *)r );
1406 else
1407 ret = receive_response( request, FALSE );
1409 release_object( &request->hdr );
1410 return ret;
1413 static BOOL query_data( request_t *request, LPDWORD available, BOOL async )
1415 BOOL ret;
1416 DWORD num_bytes;
1418 if ((ret = netconn_query_data_available( &request->netconn, &num_bytes )))
1420 if (request->content_read < request->content_length)
1422 if (!num_bytes)
1424 char buffer[4096];
1425 size_t to_read = min( sizeof(buffer), request->content_length - request->content_read );
1427 ret = netconn_recv( &request->netconn, buffer, to_read, MSG_PEEK, (int *)&num_bytes );
1428 if (ret && !num_bytes) WARN("expected more data to be available\n");
1431 else if (num_bytes)
1433 WARN("extra data available %u\n", num_bytes);
1434 ret = FALSE;
1437 TRACE("%u bytes available\n", num_bytes);
1439 if (async)
1441 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE, &num_bytes, sizeof(DWORD) );
1442 else
1444 WINHTTP_ASYNC_RESULT result;
1445 result.dwResult = API_QUERY_DATA_AVAILABLE;
1446 result.dwError = get_last_error();
1447 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1450 if (ret && available) *available = num_bytes;
1451 return ret;
1454 static void task_query_data( task_header_t *task )
1456 query_data_t *q = (query_data_t *)task;
1457 query_data( q->hdr.request, q->available, TRUE );
1460 /***********************************************************************
1461 * WinHttpQueryDataAvailable (winhttp.@)
1463 BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
1465 BOOL ret;
1466 request_t *request;
1468 TRACE("%p, %p\n", hrequest, available);
1470 if (!(request = (request_t *)grab_object( hrequest )))
1472 set_last_error( ERROR_INVALID_HANDLE );
1473 return FALSE;
1475 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1477 release_object( &request->hdr );
1478 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1479 return FALSE;
1482 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1484 query_data_t *q;
1486 if (!(q = heap_alloc( sizeof(query_data_t) ))) return FALSE;
1487 q->hdr.request = request;
1488 q->hdr.proc = task_query_data;
1489 q->available = available;
1491 addref_object( &request->hdr );
1492 ret = queue_task( (task_header_t *)q );
1494 else
1495 ret = query_data( request, available, FALSE );
1497 release_object( &request->hdr );
1498 return ret;
1501 static void task_read_data( task_header_t *task )
1503 read_data_t *r = (read_data_t *)task;
1504 read_data( r->hdr.request, r->buffer, r->to_read, r->read, TRUE );
1507 /***********************************************************************
1508 * WinHttpReadData (winhttp.@)
1510 BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read )
1512 BOOL ret;
1513 request_t *request;
1515 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read);
1517 if (!(request = (request_t *)grab_object( hrequest )))
1519 set_last_error( ERROR_INVALID_HANDLE );
1520 return FALSE;
1522 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1524 release_object( &request->hdr );
1525 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1526 return FALSE;
1529 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1531 read_data_t *r;
1533 if (!(r = heap_alloc( sizeof(read_data_t) ))) return FALSE;
1534 r->hdr.request = request;
1535 r->hdr.proc = task_read_data;
1536 r->buffer = buffer;
1537 r->to_read = to_read;
1538 r->read = read;
1540 addref_object( &request->hdr );
1541 ret = queue_task( (task_header_t *)r );
1543 else
1544 ret = read_data( request, buffer, to_read, read, FALSE );
1546 release_object( &request->hdr );
1547 return ret;
1550 static BOOL write_data( request_t *request, LPCVOID buffer, DWORD to_write, LPDWORD written, BOOL async )
1552 BOOL ret;
1553 int num_bytes;
1555 ret = netconn_send( &request->netconn, buffer, to_write, 0, &num_bytes );
1557 if (async)
1559 if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE, &num_bytes, sizeof(DWORD) );
1560 else
1562 WINHTTP_ASYNC_RESULT result;
1563 result.dwResult = API_WRITE_DATA;
1564 result.dwError = get_last_error();
1565 send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) );
1568 if (ret && written) *written = num_bytes;
1569 return ret;
1572 static void task_write_data( task_header_t *task )
1574 write_data_t *w = (write_data_t *)task;
1575 write_data( w->hdr.request, w->buffer, w->to_write, w->written, TRUE );
1578 /***********************************************************************
1579 * WinHttpWriteData (winhttp.@)
1581 BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written )
1583 BOOL ret;
1584 request_t *request;
1586 TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written);
1588 if (!(request = (request_t *)grab_object( hrequest )))
1590 set_last_error( ERROR_INVALID_HANDLE );
1591 return FALSE;
1593 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1595 release_object( &request->hdr );
1596 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1597 return FALSE;
1600 if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC)
1602 write_data_t *w;
1604 if (!(w = heap_alloc( sizeof(write_data_t) ))) return FALSE;
1605 w->hdr.request = request;
1606 w->hdr.proc = task_write_data;
1607 w->buffer = buffer;
1608 w->to_write = to_write;
1609 w->written = written;
1611 addref_object( &request->hdr );
1612 ret = queue_task( (task_header_t *)w );
1614 else
1615 ret = write_data( request, buffer, to_write, written, FALSE );
1617 release_object( &request->hdr );
1618 return ret;
1621 #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
1623 static DWORD auth_scheme_from_header( WCHAR *header )
1625 static const WCHAR basic[] = {'B','a','s','i','c'};
1626 static const WCHAR ntlm[] = {'N','T','L','M'};
1627 static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
1628 static const WCHAR digest[] = {'D','i','g','e','s','t'};
1629 static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
1631 if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
1632 (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
1634 if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
1635 (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
1637 if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
1638 (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
1640 if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
1641 (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
1643 if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
1644 (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
1646 return 0;
1649 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
1651 DWORD index = 0;
1652 BOOL ret = FALSE;
1654 for (;;)
1656 WCHAR *buffer;
1657 DWORD size, scheme;
1659 size = 0;
1660 query_headers( request, level, NULL, NULL, &size, &index );
1661 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
1663 index--;
1664 if (!(buffer = heap_alloc( size ))) return FALSE;
1665 if (!query_headers( request, level, NULL, buffer, &size, &index ))
1667 heap_free( buffer );
1668 return FALSE;
1670 scheme = auth_scheme_from_header( buffer );
1671 if (index == 1) *first = scheme;
1672 *supported |= scheme;
1674 heap_free( buffer );
1675 ret = TRUE;
1677 return ret;
1680 /***********************************************************************
1681 * WinHttpQueryAuthSchemes (winhttp.@)
1683 BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
1685 BOOL ret = FALSE;
1686 request_t *request;
1688 TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
1690 if (!(request = (request_t *)grab_object( hrequest )))
1692 set_last_error( ERROR_INVALID_HANDLE );
1693 return FALSE;
1695 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1697 release_object( &request->hdr );
1698 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1699 return FALSE;
1702 if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
1704 *target = WINHTTP_AUTH_TARGET_SERVER;
1705 ret = TRUE;
1707 else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
1709 *target = WINHTTP_AUTH_TARGET_PROXY;
1710 ret = TRUE;
1713 release_object( &request->hdr );
1714 return ret;
1717 static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
1719 UINT n = 0, x;
1720 static const char base64enc[] =
1721 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1723 while (len > 0)
1725 /* first 6 bits, all from bin[0] */
1726 base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
1727 x = (bin[0] & 3) << 4;
1729 /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1730 if (len == 1)
1732 base64[n++] = base64enc[x];
1733 base64[n++] = '=';
1734 base64[n++] = '=';
1735 break;
1737 base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
1738 x = (bin[1] & 0x0f) << 2;
1740 /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1741 if (len == 2)
1743 base64[n++] = base64enc[x];
1744 base64[n++] = '=';
1745 break;
1747 base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
1749 /* last 6 bits, all from bin [2] */
1750 base64[n++] = base64enc[bin[2] & 0x3f];
1751 bin += 3;
1752 len -= 3;
1754 base64[n] = 0;
1755 return n;
1758 static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
1760 static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
1762 const WCHAR *auth_scheme, *auth_target;
1763 WCHAR *auth_header;
1764 DWORD len, auth_data_len;
1765 char *auth_data;
1766 BOOL ret;
1768 switch (target)
1770 case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
1771 case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
1772 default:
1773 WARN("unknown target %x\n", target);
1774 return FALSE;
1776 switch (scheme)
1778 case WINHTTP_AUTH_SCHEME_BASIC:
1780 int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
1781 int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
1783 TRACE("basic authentication\n");
1785 auth_scheme = basic;
1786 auth_data_len = userlen + 1 + passlen;
1787 if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
1789 WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
1790 auth_data[userlen] = ':';
1791 WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
1792 break;
1794 case WINHTTP_AUTH_SCHEME_NTLM:
1795 case WINHTTP_AUTH_SCHEME_PASSPORT:
1796 case WINHTTP_AUTH_SCHEME_DIGEST:
1797 case WINHTTP_AUTH_SCHEME_NEGOTIATE:
1798 FIXME("unimplemented authentication scheme %x\n", scheme);
1799 return FALSE;
1800 default:
1801 WARN("unknown authentication scheme %x\n", scheme);
1802 return FALSE;
1805 len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
1806 if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
1808 heap_free( auth_data );
1809 return FALSE;
1811 strcpyW( auth_header, auth_scheme );
1812 encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
1814 ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
1816 heap_free( auth_data );
1817 heap_free( auth_header );
1818 return ret;
1821 /***********************************************************************
1822 * WinHttpSetCredentials (winhttp.@)
1824 BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
1825 LPCWSTR password, LPVOID params )
1827 BOOL ret;
1828 request_t *request;
1830 TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
1832 if (!(request = (request_t *)grab_object( hrequest )))
1834 set_last_error( ERROR_INVALID_HANDLE );
1835 return FALSE;
1837 if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
1839 release_object( &request->hdr );
1840 set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1841 return FALSE;
1844 ret = set_credentials( request, target, scheme, username, password );
1846 release_object( &request->hdr );
1847 return ret;