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wine/dlls/wininet/http.c

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  1 /*
  2  * Wininet - Http Implementation
  3  *
  4  * Copyright 1999 Corel Corporation
  5  * Copyright 2002 CodeWeavers Inc.
  6  * Copyright 2002 TransGaming Technologies Inc.
  7  * Copyright 2004 Mike McCormack for CodeWeavers
  8  * Copyright 2005 Aric Stewart for CodeWeavers
  9  * Copyright 2006 Robert Shearman for CodeWeavers
 10  *
 11  * Ulrich Czekalla
 12  * David Hammerton
 13  *
 14  * This library is free software; you can redistribute it and/or
 15  * modify it under the terms of the GNU Lesser General Public
 16  * License as published by the Free Software Foundation; either
 17  * version 2.1 of the License, or (at your option) any later version.
 18  *
 19  * This library is distributed in the hope that it will be useful,
 20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 22  * Lesser General Public License for more details.
 23  *
 24  * You should have received a copy of the GNU Lesser General Public
 25  * License along with this library; if not, write to the Free Software
 26  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 27  */
 28 
 29 #include "config.h"
 30 #include "wine/port.h"
 31 
 32 #if defined(__MINGW32__) || defined (_MSC_VER)
 33 #include <ws2tcpip.h>
 34 #endif
 35 
 36 #include <sys/types.h>
 37 #ifdef HAVE_SYS_SOCKET_H
 38 # include <sys/socket.h>
 39 #endif
 40 #ifdef HAVE_ARPA_INET_H
 41 # include <arpa/inet.h>
 42 #endif
 43 #include <stdarg.h>
 44 #include <stdio.h>
 45 #include <stdlib.h>
 46 #ifdef HAVE_UNISTD_H
 47 # include <unistd.h>
 48 #endif
 49 #include <time.h>
 50 #include <assert.h>
 51 #ifdef HAVE_ZLIB
 52 #  include <zlib.h>
 53 #endif
 54 
 55 #include "windef.h"
 56 #include "winbase.h"
 57 #include "wininet.h"
 58 #include "winerror.h"
 59 #define NO_SHLWAPI_STREAM
 60 #define NO_SHLWAPI_REG
 61 #define NO_SHLWAPI_STRFCNS
 62 #define NO_SHLWAPI_GDI
 63 #include "shlwapi.h"
 64 #include "sspi.h"
 65 #include "wincrypt.h"
 66 
 67 #include "internet.h"
 68 #include "wine/debug.h"
 69 #include "wine/exception.h"
 70 #include "wine/unicode.h"
 71 
 72 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
 73 
 74 static const WCHAR g_szHttp1_0[] = {'H','T','T','P','/','1','.','',0};
 75 static const WCHAR g_szHttp1_1[] = {'H','T','T','P','/','1','.','1',0};
 76 static const WCHAR hostW[] = { 'H','o','s','t',0 };
 77 static const WCHAR szAuthorization[] = { 'A','u','t','h','o','r','i','z','a','t','i','o','n',0 };
 78 static const WCHAR szProxy_Authorization[] = { 'P','r','o','x','y','-','A','u','t','h','o','r','i','z','a','t','i','o','n',0 };
 79 static const WCHAR szStatus[] = { 'S','t','a','t','u','s',0 };
 80 static const WCHAR szKeepAlive[] = {'K','e','e','p','-','A','l','i','v','e',0};
 81 static const WCHAR szGET[] = { 'G','E','T', 0 };
 82 static const WCHAR szCrLf[] = {'\r','\n', 0};
 83 
 84 static const WCHAR szAccept[] = { 'A','c','c','e','p','t',0 };
 85 static const WCHAR szAccept_Charset[] = { 'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0 };
 86 static const WCHAR szAccept_Encoding[] = { 'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0 };
 87 static const WCHAR szAccept_Language[] = { 'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0 };
 88 static const WCHAR szAccept_Ranges[] = { 'A','c','c','e','p','t','-','R','a','n','g','e','s',0 };
 89 static const WCHAR szAge[] = { 'A','g','e',0 };
 90 static const WCHAR szAllow[] = { 'A','l','l','o','w',0 };
 91 static const WCHAR szCache_Control[] = { 'C','a','c','h','e','-','C','o','n','t','r','o','l',0 };
 92 static const WCHAR szConnection[] = { 'C','o','n','n','e','c','t','i','o','n',0 };
 93 static const WCHAR szContent_Base[] = { 'C','o','n','t','e','n','t','-','B','a','s','e',0 };
 94 static const WCHAR szContent_Encoding[] = { 'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0 };
 95 static const WCHAR szContent_ID[] = { 'C','o','n','t','e','n','t','-','I','D',0 };
 96 static const WCHAR szContent_Language[] = { 'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0 };
 97 static const WCHAR szContent_Length[] = { 'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0 };
 98 static const WCHAR szContent_Location[] = { 'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0 };
 99 static const WCHAR szContent_MD5[] = { 'C','o','n','t','e','n','t','-','M','D','5',0 };
100 static const WCHAR szContent_Range[] = { 'C','o','n','t','e','n','t','-','R','a','n','g','e',0 };
101 static const WCHAR szContent_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 };
102 static const WCHAR szContent_Type[] = { 'C','o','n','t','e','n','t','-','T','y','p','e',0 };
103 static const WCHAR szCookie[] = { 'C','o','o','k','i','e',0 };
104 static const WCHAR szDate[] = { 'D','a','t','e',0 };
105 static const WCHAR szFrom[] = { 'F','r','o','m',0 };
106 static const WCHAR szETag[] = { 'E','T','a','g',0 };
107 static const WCHAR szExpect[] = { 'E','x','p','e','c','t',0 };
108 static const WCHAR szExpires[] = { 'E','x','p','i','r','e','s',0 };
109 static const WCHAR szIf_Match[] = { 'I','f','-','M','a','t','c','h',0 };
110 static const WCHAR szIf_Modified_Since[] = { 'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0 };
111 static const WCHAR szIf_None_Match[] = { 'I','f','-','N','o','n','e','-','M','a','t','c','h',0 };
112 static const WCHAR szIf_Range[] = { 'I','f','-','R','a','n','g','e',0 };
113 static const WCHAR szIf_Unmodified_Since[] = { 'I','f','-','U','n','m','o','d','i','f','i','e','d','-','S','i','n','c','e',0 };
114 static const WCHAR szLast_Modified[] = { 'L','a','s','t','-','M','o','d','i','f','i','e','d',0 };
115 static const WCHAR szLocation[] = { 'L','o','c','a','t','i','o','n',0 };
116 static const WCHAR szMax_Forwards[] = { 'M','a','x','-','F','o','r','w','a','r','d','s',0 };
117 static const WCHAR szMime_Version[] = { 'M','i','m','e','-','V','e','r','s','i','o','n',0 };
118 static const WCHAR szPragma[] = { 'P','r','a','g','m','a',0 };
119 static const WCHAR szProxy_Authenticate[] = { 'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0 };
120 static const WCHAR szProxy_Connection[] = { 'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0 };
121 static const WCHAR szPublic[] = { 'P','u','b','l','i','c',0 };
122 static const WCHAR szRange[] = { 'R','a','n','g','e',0 };
123 static const WCHAR szReferer[] = { 'R','e','f','e','r','e','r',0 };
124 static const WCHAR szRetry_After[] = { 'R','e','t','r','y','-','A','f','t','e','r',0 };
125 static const WCHAR szServer[] = { 'S','e','r','v','e','r',0 };
126 static const WCHAR szSet_Cookie[] = { 'S','e','t','-','C','o','o','k','i','e',0 };
127 static const WCHAR szTransfer_Encoding[] = { 'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0 };
128 static const WCHAR szUnless_Modified_Since[] = { 'U','n','l','e','s','s','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0 };
129 static const WCHAR szUpgrade[] = { 'U','p','g','r','a','d','e',0 };
130 static const WCHAR szURI[] = { 'U','R','I',0 };
131 static const WCHAR szUser_Agent[] = { 'U','s','e','r','-','A','g','e','n','t',0 };
132 static const WCHAR szVary[] = { 'V','a','r','y',0 };
133 static const WCHAR szVia[] = { 'V','i','a',0 };
134 static const WCHAR szWarning[] = { 'W','a','r','n','i','n','g',0 };
135 static const WCHAR szWWW_Authenticate[] = { 'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0 };
136 
137 #define MAXHOSTNAME 100
138 #define MAX_FIELD_VALUE_LEN 256
139 #define MAX_FIELD_LEN 256
140 
141 #define HTTP_REFERER    szReferer
142 #define HTTP_ACCEPT     szAccept
143 #define HTTP_USERAGENT  szUser_Agent
144 
145 #define HTTP_ADDHDR_FLAG_ADD                            0x20000000
146 #define HTTP_ADDHDR_FLAG_ADD_IF_NEW                     0x10000000
147 #define HTTP_ADDHDR_FLAG_COALESCE                       0x40000000
148 #define HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA            0x40000000
149 #define HTTP_ADDHDR_FLAG_COALESCE_WITH_SEMICOLON        0x01000000
150 #define HTTP_ADDHDR_FLAG_REPLACE                        0x80000000
151 #define HTTP_ADDHDR_FLAG_REQ                            0x02000000
152 
153 #define ARRAYSIZE(array) (sizeof(array)/sizeof((array)[0]))
154 
155 struct HttpAuthInfo
156 {
157     LPWSTR scheme;
158     CredHandle cred;
159     CtxtHandle ctx;
160     TimeStamp exp;
161     ULONG attr;
162     ULONG max_token;
163     void *auth_data;
164     unsigned int auth_data_len;
165     BOOL finished; /* finished authenticating */
166 };
167 
168 
169 struct gzip_stream_t {
170 #ifdef HAVE_ZLIB
171     z_stream zstream;
172 #endif
173     BYTE buf[8192];
174     DWORD buf_size;
175     DWORD buf_pos;
176     BOOL end_of_data;
177 };
178 
179 static BOOL HTTP_OpenConnection(LPWININETHTTPREQW lpwhr);
180 static BOOL HTTP_GetResponseHeaders(LPWININETHTTPREQW lpwhr, BOOL clear);
181 static BOOL HTTP_ProcessHeader(LPWININETHTTPREQW lpwhr, LPCWSTR field, LPCWSTR value, DWORD dwModifier);
182 static LPWSTR * HTTP_InterpretHttpHeader(LPCWSTR buffer);
183 static BOOL HTTP_InsertCustomHeader(LPWININETHTTPREQW lpwhr, LPHTTPHEADERW lpHdr);
184 static INT HTTP_GetCustomHeaderIndex(LPWININETHTTPREQW lpwhr, LPCWSTR lpszField, INT index, BOOL Request);
185 static BOOL HTTP_DeleteCustomHeader(LPWININETHTTPREQW lpwhr, DWORD index);
186 static LPWSTR HTTP_build_req( LPCWSTR *list, int len );
187 static BOOL HTTP_HttpQueryInfoW(LPWININETHTTPREQW, DWORD, LPVOID, LPDWORD, LPDWORD);
188 static LPWSTR HTTP_GetRedirectURL(LPWININETHTTPREQW lpwhr, LPCWSTR lpszUrl);
189 static BOOL HTTP_HandleRedirect(LPWININETHTTPREQW lpwhr, LPCWSTR lpszUrl);
190 static UINT HTTP_DecodeBase64(LPCWSTR base64, LPSTR bin);
191 static BOOL HTTP_VerifyValidHeader(LPWININETHTTPREQW lpwhr, LPCWSTR field);
192 static void HTTP_DrainContent(WININETHTTPREQW *req);
193 static BOOL HTTP_FinishedReading(LPWININETHTTPREQW lpwhr);
194 
195 static LPHTTPHEADERW HTTP_GetHeader(LPWININETHTTPREQW req, LPCWSTR head)
196 {
197     int HeaderIndex = 0;
198     HeaderIndex = HTTP_GetCustomHeaderIndex(req, head, 0, TRUE);
199     if (HeaderIndex == -1)
200         return NULL;
201     else
202         return &req->pCustHeaders[HeaderIndex];
203 }
204 
205 #ifdef HAVE_ZLIB
206 
207 static voidpf wininet_zalloc(voidpf opaque, uInt items, uInt size)
208 {
209     return HeapAlloc(GetProcessHeap(), 0, items*size);
210 }
211 
212 static void wininet_zfree(voidpf opaque, voidpf address)
213 {
214     HeapFree(GetProcessHeap(), 0, address);
215 }
216 
217 static void init_gzip_stream(WININETHTTPREQW *req)
218 {
219     gzip_stream_t *gzip_stream;
220     int zres;
221 
222     gzip_stream = HeapAlloc(GetProcessHeap(), 0, sizeof(gzip_stream_t));
223     gzip_stream->zstream.zalloc = wininet_zalloc;
224     gzip_stream->zstream.zfree = wininet_zfree;
225     gzip_stream->zstream.opaque = NULL;
226     gzip_stream->zstream.next_in = NULL;
227     gzip_stream->zstream.avail_in = 0;
228     gzip_stream->zstream.next_out = NULL;
229     gzip_stream->zstream.avail_out = 0;
230     gzip_stream->buf_pos = 0;
231     gzip_stream->buf_size = 0;
232     gzip_stream->end_of_data = FALSE;
233 
234     zres = inflateInit2(&gzip_stream->zstream, 0x1f);
235     if(zres != Z_OK) {
236         ERR("inflateInit failed: %d\n", zres);
237         HeapFree(GetProcessHeap(), 0, gzip_stream);
238         return;
239     }
240 
241     req->gzip_stream = gzip_stream;
242 }
243 
244 #else
245 
246 static void init_gzip_stream(WININETHTTPREQW *req)
247 {
248     ERR("gzip stream not supported, missing zlib.\n");
249 }
250 
251 #endif
252 
253 /* set the request content length based on the headers */
254 static DWORD set_content_length( LPWININETHTTPREQW lpwhr )
255 {
256     static const WCHAR szChunked[] = {'c','h','u','n','k','e','d',0};
257     WCHAR encoding[20];
258     DWORD size;
259 
260     size = sizeof(lpwhr->dwContentLength);
261     if (!HTTP_HttpQueryInfoW(lpwhr, HTTP_QUERY_FLAG_NUMBER|HTTP_QUERY_CONTENT_LENGTH,
262                              &lpwhr->dwContentLength, &size, NULL))
263         lpwhr->dwContentLength = ~0u;
264 
265     size = sizeof(encoding);
266     if (HTTP_HttpQueryInfoW(lpwhr, HTTP_QUERY_TRANSFER_ENCODING, encoding, &size, NULL) &&
267         !strcmpiW(encoding, szChunked))
268     {
269         lpwhr->dwContentLength = ~0u;
270         lpwhr->read_chunked = TRUE;
271     }
272 
273     if(lpwhr->decoding) {
274         int encoding_idx;
275 
276         static const WCHAR gzipW[] = {'g','z','i','p',0};
277 
278         encoding_idx = HTTP_GetCustomHeaderIndex(lpwhr, szContent_Encoding, 0, FALSE);
279         if(encoding_idx != -1 && !strcmpiW(lpwhr->pCustHeaders[encoding_idx].lpszValue, gzipW))
280             init_gzip_stream(lpwhr);
281     }
282 
283     return lpwhr->dwContentLength;
284 }
285 
286 /***********************************************************************
287  *           HTTP_Tokenize (internal)
288  *
289  *  Tokenize a string, allocating memory for the tokens.
290  */
291 static LPWSTR * HTTP_Tokenize(LPCWSTR string, LPCWSTR token_string)
292 {
293     LPWSTR * token_array;
294     int tokens = 0;
295     int i;
296     LPCWSTR next_token;
297 
298     if (string)
299     {
300         /* empty string has no tokens */
301         if (*string)
302             tokens++;
303         /* count tokens */
304         for (i = 0; string[i]; i++)
305         {
306             if (!strncmpW(string+i, token_string, strlenW(token_string)))
307             {
308                 DWORD j;
309                 tokens++;
310                 /* we want to skip over separators, but not the null terminator */
311                 for (j = 0; j < strlenW(token_string) - 1; j++)
312                     if (!string[i+j])
313                         break;
314                 i += j;
315             }
316         }
317     }
318 
319     /* add 1 for terminating NULL */
320     token_array = HeapAlloc(GetProcessHeap(), 0, (tokens+1) * sizeof(*token_array));
321     token_array[tokens] = NULL;
322     if (!tokens)
323         return token_array;
324     for (i = 0; i < tokens; i++)
325     {
326         int len;
327         next_token = strstrW(string, token_string);
328         if (!next_token) next_token = string+strlenW(string);
329         len = next_token - string;
330         token_array[i] = HeapAlloc(GetProcessHeap(), 0, (len+1)*sizeof(WCHAR));
331         memcpy(token_array[i], string, len*sizeof(WCHAR));
332         token_array[i][len] = '\0';
333         string = next_token+strlenW(token_string);
334     }
335     return token_array;
336 }
337 
338 /***********************************************************************
339  *           HTTP_FreeTokens (internal)
340  *
341  *  Frees memory returned from HTTP_Tokenize.
342  */
343 static void HTTP_FreeTokens(LPWSTR * token_array)
344 {
345     int i;
346     for (i = 0; token_array[i]; i++)
347         HeapFree(GetProcessHeap(), 0, token_array[i]);
348     HeapFree(GetProcessHeap(), 0, token_array);
349 }
350 
351 /* **********************************************************************
352  * 
353  * Helper functions for the HttpSendRequest(Ex) functions
354  * 
355  */
356 static void AsyncHttpSendRequestProc(WORKREQUEST *workRequest)
357 {
358     struct WORKREQ_HTTPSENDREQUESTW const *req = &workRequest->u.HttpSendRequestW;
359     LPWININETHTTPREQW lpwhr = (LPWININETHTTPREQW) workRequest->hdr;
360 
361     TRACE("%p\n", lpwhr);
362 
363     HTTP_HttpSendRequestW(lpwhr, req->lpszHeader,
364             req->dwHeaderLength, req->lpOptional, req->dwOptionalLength,
365             req->dwContentLength, req->bEndRequest);
366 
367     HeapFree(GetProcessHeap(), 0, req->lpszHeader);
368 }
369 
370 static void HTTP_FixURL( LPWININETHTTPREQW lpwhr)
371 {
372     static const WCHAR szSlash[] = { '/',0 };
373     static const WCHAR szHttp[] = { 'h','t','t','p',':','/','/', 0 };
374 
375     /* If we don't have a path we set it to root */
376     if (NULL == lpwhr->lpszPath)
377         lpwhr->lpszPath = WININET_strdupW(szSlash);
378     else /* remove \r and \n*/
379     {
380         int nLen = strlenW(lpwhr->lpszPath);
381         while ((nLen >0 ) && ((lpwhr->lpszPath[nLen-1] == '\r')||(lpwhr->lpszPath[nLen-1] == '\n')))
382         {
383             nLen--;
384             lpwhr->lpszPath[nLen]='\0';
385         }
386         /* Replace '\' with '/' */
387         while (nLen>0) {
388             nLen--;
389             if (lpwhr->lpszPath[nLen] == '\\') lpwhr->lpszPath[nLen]='/';
390         }
391     }
392 
393     if(CSTR_EQUAL != CompareStringW( LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
394                        lpwhr->lpszPath, strlenW(lpwhr->lpszPath), szHttp, strlenW(szHttp) )
395        && lpwhr->lpszPath[0] != '/') /* not an absolute path ?? --> fix it !! */
396     {
397         WCHAR *fixurl = HeapAlloc(GetProcessHeap(), 0, 
398                              (strlenW(lpwhr->lpszPath) + 2)*sizeof(WCHAR));
399         *fixurl = '/';
400         strcpyW(fixurl + 1, lpwhr->lpszPath);
401         HeapFree( GetProcessHeap(), 0, lpwhr->lpszPath );
402         lpwhr->lpszPath = fixurl;
403     }
404 }
405 
406 static LPWSTR HTTP_BuildHeaderRequestString( LPWININETHTTPREQW lpwhr, LPCWSTR verb, LPCWSTR path, LPCWSTR version )
407 {
408     LPWSTR requestString;
409     DWORD len, n;
410     LPCWSTR *req;
411     UINT i;
412     LPWSTR p;
413 
414     static const WCHAR szSpace[] = { ' ',0 };
415     static const WCHAR szColon[] = { ':',' ',0 };
416     static const WCHAR sztwocrlf[] = {'\r','\n','\r','\n', 0};
417 
418     /* allocate space for an array of all the string pointers to be added */
419     len = (lpwhr->nCustHeaders)*4 + 10;
420     req = HeapAlloc( GetProcessHeap(), 0, len*sizeof(LPCWSTR) );
421 
422     /* add the verb, path and HTTP version string */
423     n = 0;
424     req[n++] = verb;
425     req[n++] = szSpace;
426     req[n++] = path;
427     req[n++] = szSpace;
428     req[n++] = version;
429 
430     /* Append custom request headers */
431     for (i = 0; i < lpwhr->nCustHeaders; i++)
432     {
433         if (lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST)
434         {
435             req[n++] = szCrLf;
436             req[n++] = lpwhr->pCustHeaders[i].lpszField;
437             req[n++] = szColon;
438             req[n++] = lpwhr->pCustHeaders[i].lpszValue;
439 
440             TRACE("Adding custom header %s (%s)\n",
441                    debugstr_w(lpwhr->pCustHeaders[i].lpszField),
442                    debugstr_w(lpwhr->pCustHeaders[i].lpszValue));
443         }
444     }
445 
446     if( n >= len )
447         ERR("oops. buffer overrun\n");
448 
449     req[n] = NULL;
450     requestString = HTTP_build_req( req, 4 );
451     HeapFree( GetProcessHeap(), 0, req );
452 
453     /*
454      * Set (header) termination string for request
455      * Make sure there's exactly two new lines at the end of the request
456      */
457     p = &requestString[strlenW(requestString)-1];
458     while ( (*p == '\n') || (*p == '\r') )
459        p--;
460     strcpyW( p+1, sztwocrlf );
461     
462     return requestString;
463 }
464 
465 static void HTTP_ProcessCookies( LPWININETHTTPREQW lpwhr )
466 {
467     int HeaderIndex;
468     int numCookies = 0;
469     LPHTTPHEADERW setCookieHeader;
470 
471     while((HeaderIndex = HTTP_GetCustomHeaderIndex(lpwhr, szSet_Cookie, numCookies, FALSE)) != -1)
472     {
473         setCookieHeader = &lpwhr->pCustHeaders[HeaderIndex];
474 
475         if (!(lpwhr->hdr.dwFlags & INTERNET_FLAG_NO_COOKIES) && setCookieHeader->lpszValue)
476         {
477             int len;
478             static const WCHAR szFmt[] = { 'h','t','t','p',':','/','/','%','s','%','s',0};
479             LPWSTR buf_url;
480             LPHTTPHEADERW Host;
481 
482             Host = HTTP_GetHeader(lpwhr, hostW);
483             len = lstrlenW(Host->lpszValue) + 9 + lstrlenW(lpwhr->lpszPath);
484             buf_url = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
485             sprintfW(buf_url, szFmt, Host->lpszValue, lpwhr->lpszPath);
486             InternetSetCookieW(buf_url, NULL, setCookieHeader->lpszValue);
487 
488             HeapFree(GetProcessHeap(), 0, buf_url);
489         }
490         numCookies++;
491     }
492 }
493 
494 static inline BOOL is_basic_auth_value( LPCWSTR pszAuthValue )
495 {
496     static const WCHAR szBasic[] = {'B','a','s','i','c'}; /* Note: not nul-terminated */
497     return !strncmpiW(pszAuthValue, szBasic, ARRAYSIZE(szBasic)) &&
498         ((pszAuthValue[ARRAYSIZE(szBasic)] == ' ') || !pszAuthValue[ARRAYSIZE(szBasic)]);
499 }
500 
501 static BOOL HTTP_DoAuthorization( LPWININETHTTPREQW lpwhr, LPCWSTR pszAuthValue,
502                                   struct HttpAuthInfo **ppAuthInfo,
503                                   LPWSTR domain_and_username, LPWSTR password )
504 {
505     SECURITY_STATUS sec_status;
506     struct HttpAuthInfo *pAuthInfo = *ppAuthInfo;
507     BOOL first = FALSE;
508 
509     TRACE("%s\n", debugstr_w(pszAuthValue));
510 
511     if (!pAuthInfo)
512     {
513         TimeStamp exp;
514 
515         first = TRUE;
516         pAuthInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(*pAuthInfo));
517         if (!pAuthInfo)
518             return FALSE;
519 
520         SecInvalidateHandle(&pAuthInfo->cred);
521         SecInvalidateHandle(&pAuthInfo->ctx);
522         memset(&pAuthInfo->exp, 0, sizeof(pAuthInfo->exp));
523         pAuthInfo->attr = 0;
524         pAuthInfo->auth_data = NULL;
525         pAuthInfo->auth_data_len = 0;
526         pAuthInfo->finished = FALSE;
527 
528         if (is_basic_auth_value(pszAuthValue))
529         {
530             static const WCHAR szBasic[] = {'B','a','s','i','c',0};
531             pAuthInfo->scheme = WININET_strdupW(szBasic);
532             if (!pAuthInfo->scheme)
533             {
534                 HeapFree(GetProcessHeap(), 0, pAuthInfo);
535                 return FALSE;
536             }
537         }
538         else
539         {
540             PVOID pAuthData;
541             SEC_WINNT_AUTH_IDENTITY_W nt_auth_identity;
542 
543             pAuthInfo->scheme = WININET_strdupW(pszAuthValue);
544             if (!pAuthInfo->scheme)
545             {
546                 HeapFree(GetProcessHeap(), 0, pAuthInfo);
547                 return FALSE;
548             }
549 
550             if (domain_and_username)
551             {
552                 WCHAR *user = strchrW(domain_and_username, '\\');
553                 WCHAR *domain = domain_and_username;
554 
555                 /* FIXME: make sure scheme accepts SEC_WINNT_AUTH_IDENTITY before calling AcquireCredentialsHandle */
556 
557                 pAuthData = &nt_auth_identity;
558 
559                 if (user) user++;
560                 else
561                 {
562                     user = domain_and_username;
563                     domain = NULL;
564                 }
565 
566                 nt_auth_identity.Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE;
567                 nt_auth_identity.User = user;
568                 nt_auth_identity.UserLength = strlenW(nt_auth_identity.User);
569                 nt_auth_identity.Domain = domain;
570                 nt_auth_identity.DomainLength = domain ? user - domain - 1 : 0;
571                 nt_auth_identity.Password = password;
572                 nt_auth_identity.PasswordLength = strlenW(nt_auth_identity.Password);
573             }
574             else
575                 /* use default credentials */
576                 pAuthData = NULL;
577 
578             sec_status = AcquireCredentialsHandleW(NULL, pAuthInfo->scheme,
579                                                    SECPKG_CRED_OUTBOUND, NULL,
580                                                    pAuthData, NULL,
581                                                    NULL, &pAuthInfo->cred,
582                                                    &exp);
583             if (sec_status == SEC_E_OK)
584             {
585                 PSecPkgInfoW sec_pkg_info;
586                 sec_status = QuerySecurityPackageInfoW(pAuthInfo->scheme, &sec_pkg_info);
587                 if (sec_status == SEC_E_OK)
588                 {
589                     pAuthInfo->max_token = sec_pkg_info->cbMaxToken;
590                     FreeContextBuffer(sec_pkg_info);
591                 }
592             }
593             if (sec_status != SEC_E_OK)
594             {
595                 WARN("AcquireCredentialsHandleW for scheme %s failed with error 0x%08x\n",
596                      debugstr_w(pAuthInfo->scheme), sec_status);
597                 HeapFree(GetProcessHeap(), 0, pAuthInfo->scheme);
598                 HeapFree(GetProcessHeap(), 0, pAuthInfo);
599                 return FALSE;
600             }
601         }
602         *ppAuthInfo = pAuthInfo;
603     }
604     else if (pAuthInfo->finished)
605         return FALSE;
606 
607     if ((strlenW(pszAuthValue) < strlenW(pAuthInfo->scheme)) ||
608         strncmpiW(pszAuthValue, pAuthInfo->scheme, strlenW(pAuthInfo->scheme)))
609     {
610         ERR("authentication scheme changed from %s to %s\n",
611             debugstr_w(pAuthInfo->scheme), debugstr_w(pszAuthValue));
612         return FALSE;
613     }
614 
615     if (is_basic_auth_value(pszAuthValue))
616     {
617         int userlen;
618         int passlen;
619         char *auth_data;
620 
621         TRACE("basic authentication\n");
622 
623         /* we don't cache credentials for basic authentication, so we can't
624          * retrieve them if the application didn't pass us any credentials */
625         if (!domain_and_username) return FALSE;
626 
627         userlen = WideCharToMultiByte(CP_UTF8, 0, domain_and_username, lstrlenW(domain_and_username), NULL, 0, NULL, NULL);
628         passlen = WideCharToMultiByte(CP_UTF8, 0, password, lstrlenW(password), NULL, 0, NULL, NULL);
629 
630         /* length includes a nul terminator, which will be re-used for the ':' */
631         auth_data = HeapAlloc(GetProcessHeap(), 0, userlen + 1 + passlen);
632         if (!auth_data)
633             return FALSE;
634 
635         WideCharToMultiByte(CP_UTF8, 0, domain_and_username, -1, auth_data, userlen, NULL, NULL);
636         auth_data[userlen] = ':';
637         WideCharToMultiByte(CP_UTF8, 0, password, -1, &auth_data[userlen+1], passlen, NULL, NULL);
638 
639         pAuthInfo->auth_data = auth_data;
640         pAuthInfo->auth_data_len = userlen + 1 + passlen;
641         pAuthInfo->finished = TRUE;
642 
643         return TRUE;
644     }
645     else
646     {
647         LPCWSTR pszAuthData;
648         SecBufferDesc out_desc, in_desc;
649         SecBuffer out, in;
650         unsigned char *buffer;
651         ULONG context_req = ISC_REQ_CONNECTION | ISC_REQ_USE_DCE_STYLE |
652             ISC_REQ_MUTUAL_AUTH | ISC_REQ_DELEGATE;
653 
654         in.BufferType = SECBUFFER_TOKEN;
655         in.cbBuffer = 0;
656         in.pvBuffer = NULL;
657 
658         in_desc.ulVersion = 0;
659         in_desc.cBuffers = 1;
660         in_desc.pBuffers = &in;
661 
662         pszAuthData = pszAuthValue + strlenW(pAuthInfo->scheme);
663         if (*pszAuthData == ' ')
664         {
665             pszAuthData++;
666             in.cbBuffer = HTTP_DecodeBase64(pszAuthData, NULL);
667             in.pvBuffer = HeapAlloc(GetProcessHeap(), 0, in.cbBuffer);
668             HTTP_DecodeBase64(pszAuthData, in.pvBuffer);
669         }
670 
671         buffer = HeapAlloc(GetProcessHeap(), 0, pAuthInfo->max_token);
672 
673         out.BufferType = SECBUFFER_TOKEN;
674         out.cbBuffer = pAuthInfo->max_token;
675         out.pvBuffer = buffer;
676 
677         out_desc.ulVersion = 0;
678         out_desc.cBuffers = 1;
679         out_desc.pBuffers = &out;
680 
681         sec_status = InitializeSecurityContextW(first ? &pAuthInfo->cred : NULL,
682                                                 first ? NULL : &pAuthInfo->ctx,
683                                                 first ? lpwhr->lpHttpSession->lpszServerName : NULL,
684                                                 context_req, 0, SECURITY_NETWORK_DREP,
685                                                 in.pvBuffer ? &in_desc : NULL,
686                                                 0, &pAuthInfo->ctx, &out_desc,
687                                                 &pAuthInfo->attr, &pAuthInfo->exp);
688         if (sec_status == SEC_E_OK)
689         {
690             pAuthInfo->finished = TRUE;
691             pAuthInfo->auth_data = out.pvBuffer;
692             pAuthInfo->auth_data_len = out.cbBuffer;
693             TRACE("sending last auth packet\n");
694         }
695         else if (sec_status == SEC_I_CONTINUE_NEEDED)
696         {
697             pAuthInfo->auth_data = out.pvBuffer;
698             pAuthInfo->auth_data_len = out.cbBuffer;
699             TRACE("sending next auth packet\n");
700         }
701         else
702         {
703             ERR("InitializeSecurityContextW returned error 0x%08x\n", sec_status);
704             pAuthInfo->finished = TRUE;
705             HeapFree(GetProcessHeap(), 0, out.pvBuffer);
706             return FALSE;
707         }
708     }
709 
710     return TRUE;
711 }
712 
713 /***********************************************************************
714  *           HTTP_HttpAddRequestHeadersW (internal)
715  */
716 static BOOL HTTP_HttpAddRequestHeadersW(LPWININETHTTPREQW lpwhr,
717         LPCWSTR lpszHeader, DWORD dwHeaderLength, DWORD dwModifier)
718 {
719     LPWSTR lpszStart;
720     LPWSTR lpszEnd;
721     LPWSTR buffer;
722     BOOL bSuccess = FALSE;
723     DWORD len;
724 
725     TRACE("copying header: %s\n", debugstr_wn(lpszHeader, dwHeaderLength));
726 
727     if( dwHeaderLength == ~0U )
728         len = strlenW(lpszHeader);
729     else
730         len = dwHeaderLength;
731     buffer = HeapAlloc( GetProcessHeap(), 0, sizeof(WCHAR)*(len+1) );
732     lstrcpynW( buffer, lpszHeader, len + 1);
733 
734     lpszStart = buffer;
735 
736     do
737     {
738         LPWSTR * pFieldAndValue;
739 
740         lpszEnd = lpszStart;
741 
742         while (*lpszEnd != '\0')
743         {
744             if (*lpszEnd == '\r' || *lpszEnd == '\n')
745                  break;
746             lpszEnd++;
747         }
748 
749         if (*lpszStart == '\0')
750             break;
751 
752         if (*lpszEnd == '\r' || *lpszEnd == '\n')
753         {
754             *lpszEnd = '\0';
755             lpszEnd++; /* Jump over newline */
756         }
757         TRACE("interpreting header %s\n", debugstr_w(lpszStart));
758         if (*lpszStart == '\0')
759         {
760             /* Skip 0-length headers */
761             lpszStart = lpszEnd;
762             bSuccess = TRUE;
763             continue;
764         }
765         pFieldAndValue = HTTP_InterpretHttpHeader(lpszStart);
766         if (pFieldAndValue)
767         {
768             bSuccess = HTTP_VerifyValidHeader(lpwhr, pFieldAndValue[0]);
769             if (bSuccess)
770                 bSuccess = HTTP_ProcessHeader(lpwhr, pFieldAndValue[0],
771                     pFieldAndValue[1], dwModifier | HTTP_ADDHDR_FLAG_REQ);
772             HTTP_FreeTokens(pFieldAndValue);
773         }
774 
775         lpszStart = lpszEnd;
776     } while (bSuccess);
777 
778     HeapFree(GetProcessHeap(), 0, buffer);
779 
780     return bSuccess;
781 }
782 
783 /***********************************************************************
784  *           HttpAddRequestHeadersW (WININET.@)
785  *
786  * Adds one or more HTTP header to the request handler
787  *
788  * NOTE
789  * On Windows if dwHeaderLength includes the trailing '\0', then
790  * HttpAddRequestHeadersW() adds it too. However this results in an
791  * invalid Http header which is rejected by some servers so we probably
792  * don't need to match Windows on that point.
793  *
794  * RETURNS
795  *    TRUE  on success
796  *    FALSE on failure
797  *
798  */
799 BOOL WINAPI HttpAddRequestHeadersW(HINTERNET hHttpRequest,
800         LPCWSTR lpszHeader, DWORD dwHeaderLength, DWORD dwModifier)
801 {
802     BOOL bSuccess = FALSE;
803     LPWININETHTTPREQW lpwhr;
804 
805     TRACE("%p, %s, %i, %i\n", hHttpRequest, debugstr_wn(lpszHeader, dwHeaderLength), dwHeaderLength, dwModifier);
806 
807     if (!lpszHeader) 
808       return TRUE;
809 
810     lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hHttpRequest );
811     if (NULL == lpwhr ||  lpwhr->hdr.htype != WH_HHTTPREQ)
812     {
813         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
814         goto lend;
815     }
816     bSuccess = HTTP_HttpAddRequestHeadersW( lpwhr, lpszHeader, dwHeaderLength, dwModifier );
817 lend:
818     if( lpwhr )
819         WININET_Release( &lpwhr->hdr );
820 
821     return bSuccess;
822 }
823 
824 /***********************************************************************
825  *           HttpAddRequestHeadersA (WININET.@)
826  *
827  * Adds one or more HTTP header to the request handler
828  *
829  * RETURNS
830  *    TRUE  on success
831  *    FALSE on failure
832  *
833  */
834 BOOL WINAPI HttpAddRequestHeadersA(HINTERNET hHttpRequest,
835         LPCSTR lpszHeader, DWORD dwHeaderLength, DWORD dwModifier)
836 {
837     DWORD len;
838     LPWSTR hdr;
839     BOOL r;
840 
841     TRACE("%p, %s, %i, %i\n", hHttpRequest, debugstr_an(lpszHeader, dwHeaderLength), dwHeaderLength, dwModifier);
842 
843     len = MultiByteToWideChar( CP_ACP, 0, lpszHeader, dwHeaderLength, NULL, 0 );
844     hdr = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
845     MultiByteToWideChar( CP_ACP, 0, lpszHeader, dwHeaderLength, hdr, len );
846     if( dwHeaderLength != ~0U )
847         dwHeaderLength = len;
848 
849     r = HttpAddRequestHeadersW( hHttpRequest, hdr, dwHeaderLength, dwModifier );
850 
851     HeapFree( GetProcessHeap(), 0, hdr );
852 
853     return r;
854 }
855 
856 /***********************************************************************
857  *           HttpEndRequestA (WININET.@)
858  *
859  * Ends an HTTP request that was started by HttpSendRequestEx
860  *
861  * RETURNS
862  *    TRUE      if successful
863  *    FALSE     on failure
864  *
865  */
866 BOOL WINAPI HttpEndRequestA(HINTERNET hRequest, 
867         LPINTERNET_BUFFERSA lpBuffersOut, DWORD dwFlags, DWORD_PTR dwContext)
868 {
869     TRACE("(%p, %p, %08x, %08lx)\n", hRequest, lpBuffersOut, dwFlags, dwContext);
870 
871     if (lpBuffersOut)
872     {
873         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
874         return FALSE;
875     }
876 
877     return HttpEndRequestW(hRequest, NULL, dwFlags, dwContext);
878 }
879 
880 static BOOL HTTP_HttpEndRequestW(LPWININETHTTPREQW lpwhr, DWORD dwFlags, DWORD_PTR dwContext)
881 {
882     BOOL rc = FALSE;
883     INT responseLen;
884     DWORD dwBufferSize;
885     INTERNET_ASYNC_RESULT iar;
886 
887     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext,
888                   INTERNET_STATUS_RECEIVING_RESPONSE, NULL, 0);
889 
890     responseLen = HTTP_GetResponseHeaders(lpwhr, TRUE);
891     if (responseLen)
892         rc = TRUE;
893 
894     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext,
895                   INTERNET_STATUS_RESPONSE_RECEIVED, &responseLen, sizeof(DWORD));
896 
897     /* process cookies here. Is this right? */
898     HTTP_ProcessCookies(lpwhr);
899 
900     if (!set_content_length( lpwhr )) HTTP_FinishedReading(lpwhr);
901 
902     if (!(lpwhr->hdr.dwFlags & INTERNET_FLAG_NO_AUTO_REDIRECT))
903     {
904         DWORD dwCode,dwCodeLength = sizeof(DWORD);
905         if (HTTP_HttpQueryInfoW(lpwhr, HTTP_QUERY_FLAG_NUMBER|HTTP_QUERY_STATUS_CODE, &dwCode, &dwCodeLength, NULL) &&
906             (dwCode == 302 || dwCode == 301 || dwCode == 303))
907         {
908             WCHAR *new_url, szNewLocation[INTERNET_MAX_URL_LENGTH];
909             dwBufferSize=sizeof(szNewLocation);
910             if (HTTP_HttpQueryInfoW(lpwhr, HTTP_QUERY_LOCATION, szNewLocation, &dwBufferSize, NULL))
911             {
912                 /* redirects are always GETs */
913                 HeapFree(GetProcessHeap(), 0, lpwhr->lpszVerb);
914                 lpwhr->lpszVerb = WININET_strdupW(szGET);
915                 HTTP_DrainContent(lpwhr);
916                 if ((new_url = HTTP_GetRedirectURL( lpwhr, szNewLocation )))
917                 {
918                     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext, INTERNET_STATUS_REDIRECT,
919                                           new_url, (strlenW(new_url) + 1) * sizeof(WCHAR));
920                     rc = HTTP_HandleRedirect(lpwhr, new_url);
921                     if (rc)
922                         rc = HTTP_HttpSendRequestW(lpwhr, NULL, 0, NULL, 0, 0, TRUE);
923                     HeapFree( GetProcessHeap(), 0, new_url );
924                 }
925             }
926         }
927     }
928 
929     iar.dwResult = (DWORD_PTR)lpwhr->hdr.hInternet;
930     iar.dwError = rc ? 0 : INTERNET_GetLastError();
931 
932     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext,
933                           INTERNET_STATUS_REQUEST_COMPLETE, &iar,
934                           sizeof(INTERNET_ASYNC_RESULT));
935     return rc;
936 }
937 
938 static void AsyncHttpEndRequestProc(WORKREQUEST *work)
939 {
940     struct WORKREQ_HTTPENDREQUESTW const *req = &work->u.HttpEndRequestW;
941     LPWININETHTTPREQW lpwhr = (LPWININETHTTPREQW)work->hdr;
942 
943     TRACE("%p\n", lpwhr);
944 
945     HTTP_HttpEndRequestW(lpwhr, req->dwFlags, req->dwContext);
946 }
947 
948 /***********************************************************************
949  *           HttpEndRequestW (WININET.@)
950  *
951  * Ends an HTTP request that was started by HttpSendRequestEx
952  *
953  * RETURNS
954  *    TRUE      if successful
955  *    FALSE     on failure
956  *
957  */
958 BOOL WINAPI HttpEndRequestW(HINTERNET hRequest, 
959         LPINTERNET_BUFFERSW lpBuffersOut, DWORD dwFlags, DWORD_PTR dwContext)
960 {
961     BOOL rc = FALSE;
962     LPWININETHTTPREQW lpwhr;
963 
964     TRACE("-->\n");
965 
966     if (lpBuffersOut)
967     {
968         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
969         return FALSE;
970     }
971 
972     lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hRequest );
973 
974     if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
975     {
976         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
977         if (lpwhr)
978             WININET_Release( &lpwhr->hdr );
979         return FALSE;
980     }
981     lpwhr->hdr.dwFlags |= dwFlags;
982 
983     if (lpwhr->lpHttpSession->lpAppInfo->hdr.dwFlags & INTERNET_FLAG_ASYNC)
984     {
985         WORKREQUEST work;
986         struct WORKREQ_HTTPENDREQUESTW *request;
987 
988         work.asyncproc = AsyncHttpEndRequestProc;
989         work.hdr = WININET_AddRef( &lpwhr->hdr );
990 
991         request = &work.u.HttpEndRequestW;
992         request->dwFlags = dwFlags;
993         request->dwContext = dwContext;
994 
995         INTERNET_AsyncCall(&work);
996         INTERNET_SetLastError(ERROR_IO_PENDING);
997     }
998     else
999         rc = HTTP_HttpEndRequestW(lpwhr, dwFlags, dwContext);
1000 
1001     WININET_Release( &lpwhr->hdr );
1002     TRACE("%i <--\n",rc);
1003     return rc;
1004 }
1005 
1006 /***********************************************************************
1007  *           HttpOpenRequestW (WININET.@)
1008  *
1009  * Open a HTTP request handle
1010  *
1011  * RETURNS
1012  *    HINTERNET  a HTTP request handle on success
1013  *    NULL       on failure
1014  *
1015  */
1016 HINTERNET WINAPI HttpOpenRequestW(HINTERNET hHttpSession,
1017         LPCWSTR lpszVerb, LPCWSTR lpszObjectName, LPCWSTR lpszVersion,
1018         LPCWSTR lpszReferrer , LPCWSTR *lpszAcceptTypes,
1019         DWORD dwFlags, DWORD_PTR dwContext)
1020 {
1021     LPWININETHTTPSESSIONW lpwhs;
1022     HINTERNET handle = NULL;
1023 
1024     TRACE("(%p, %s, %s, %s, %s, %p, %08x, %08lx)\n", hHttpSession,
1025           debugstr_w(lpszVerb), debugstr_w(lpszObjectName),
1026           debugstr_w(lpszVersion), debugstr_w(lpszReferrer), lpszAcceptTypes,
1027           dwFlags, dwContext);
1028     if(lpszAcceptTypes!=NULL)
1029     {
1030         int i;
1031         for(i=0;lpszAcceptTypes[i]!=NULL;i++)
1032             TRACE("\taccept type: %s\n",debugstr_w(lpszAcceptTypes[i]));
1033     }    
1034 
1035     lpwhs = (LPWININETHTTPSESSIONW) WININET_GetObject( hHttpSession );
1036     if (NULL == lpwhs ||  lpwhs->hdr.htype != WH_HHTTPSESSION)
1037     {
1038         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
1039         goto lend;
1040     }
1041 
1042     /*
1043      * My tests seem to show that the windows version does not
1044      * become asynchronous until after this point. And anyhow
1045      * if this call was asynchronous then how would you get the
1046      * necessary HINTERNET pointer returned by this function.
1047      *
1048      */
1049     handle = HTTP_HttpOpenRequestW(lpwhs, lpszVerb, lpszObjectName,
1050                                    lpszVersion, lpszReferrer, lpszAcceptTypes,
1051                                    dwFlags, dwContext);
1052 lend:
1053     if( lpwhs )
1054         WININET_Release( &lpwhs->hdr );
1055     TRACE("returning %p\n", handle);
1056     return handle;
1057 }
1058 
1059 
1060 /***********************************************************************
1061  *           HttpOpenRequestA (WININET.@)
1062  *
1063  * Open a HTTP request handle
1064  *
1065  * RETURNS
1066  *    HINTERNET  a HTTP request handle on success
1067  *    NULL       on failure
1068  *
1069  */
1070 HINTERNET WINAPI HttpOpenRequestA(HINTERNET hHttpSession,
1071         LPCSTR lpszVerb, LPCSTR lpszObjectName, LPCSTR lpszVersion,
1072         LPCSTR lpszReferrer , LPCSTR *lpszAcceptTypes,
1073         DWORD dwFlags, DWORD_PTR dwContext)
1074 {
1075     LPWSTR szVerb = NULL, szObjectName = NULL;
1076     LPWSTR szVersion = NULL, szReferrer = NULL, *szAcceptTypes = NULL;
1077     INT len, acceptTypesCount;
1078     HINTERNET rc = FALSE;
1079     LPCSTR *types;
1080 
1081     TRACE("(%p, %s, %s, %s, %s, %p, %08x, %08lx)\n", hHttpSession,
1082           debugstr_a(lpszVerb), debugstr_a(lpszObjectName),
1083           debugstr_a(lpszVersion), debugstr_a(lpszReferrer), lpszAcceptTypes,
1084           dwFlags, dwContext);
1085 
1086     if (lpszVerb)
1087     {
1088         len = MultiByteToWideChar(CP_ACP, 0, lpszVerb, -1, NULL, 0 );
1089         szVerb = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR) );
1090         if ( !szVerb )
1091             goto end;
1092         MultiByteToWideChar(CP_ACP, 0, lpszVerb, -1, szVerb, len);
1093     }
1094 
1095     if (lpszObjectName)
1096     {
1097         len = MultiByteToWideChar(CP_ACP, 0, lpszObjectName, -1, NULL, 0 );
1098         szObjectName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR) );
1099         if ( !szObjectName )
1100             goto end;
1101         MultiByteToWideChar(CP_ACP, 0, lpszObjectName, -1, szObjectName, len );
1102     }
1103 
1104     if (lpszVersion)
1105     {
1106         len = MultiByteToWideChar(CP_ACP, 0, lpszVersion, -1, NULL, 0 );
1107         szVersion = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1108         if ( !szVersion )
1109             goto end;
1110         MultiByteToWideChar(CP_ACP, 0, lpszVersion, -1, szVersion, len );
1111     }
1112 
1113     if (lpszReferrer)
1114     {
1115         len = MultiByteToWideChar(CP_ACP, 0, lpszReferrer, -1, NULL, 0 );
1116         szReferrer = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1117         if ( !szReferrer )
1118             goto end;
1119         MultiByteToWideChar(CP_ACP, 0, lpszReferrer, -1, szReferrer, len );
1120     }
1121 
1122     if (lpszAcceptTypes)
1123     {
1124         acceptTypesCount = 0;
1125         types = lpszAcceptTypes;
1126         while (*types)
1127         {
1128             __TRY
1129             {
1130                 /* find out how many there are */
1131                 if (*types && **types)
1132                 {
1133                     TRACE("accept type: %s\n", debugstr_a(*types));
1134                     acceptTypesCount++;
1135                 }
1136             }
1137             __EXCEPT_PAGE_FAULT
1138             {
1139                 WARN("invalid accept type pointer\n");
1140             }
1141             __ENDTRY;
1142             types++;
1143         }
1144         szAcceptTypes = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *) * (acceptTypesCount+1));
1145         if (!szAcceptTypes) goto end;
1146 
1147         acceptTypesCount = 0;
1148         types = lpszAcceptTypes;
1149         while (*types)
1150         {
1151             __TRY
1152             {
1153                 if (*types && **types)
1154                 {
1155                     len = MultiByteToWideChar(CP_ACP, 0, *types, -1, NULL, 0 );
1156                     szAcceptTypes[acceptTypesCount] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1157 
1158                     MultiByteToWideChar(CP_ACP, 0, *types, -1, szAcceptTypes[acceptTypesCount], len);
1159                     acceptTypesCount++;
1160                 }
1161             }
1162             __EXCEPT_PAGE_FAULT
1163             {
1164                 /* ignore invalid pointer */
1165             }
1166             __ENDTRY;
1167             types++;
1168         }
1169         szAcceptTypes[acceptTypesCount] = NULL;
1170     }
1171 
1172     rc = HttpOpenRequestW(hHttpSession, szVerb, szObjectName,
1173                           szVersion, szReferrer,
1174                           (LPCWSTR*)szAcceptTypes, dwFlags, dwContext);
1175 
1176 end:
1177     if (szAcceptTypes)
1178     {
1179         acceptTypesCount = 0;
1180         while (szAcceptTypes[acceptTypesCount])
1181         {
1182             HeapFree(GetProcessHeap(), 0, szAcceptTypes[acceptTypesCount]);
1183             acceptTypesCount++;
1184         }
1185         HeapFree(GetProcessHeap(), 0, szAcceptTypes);
1186     }
1187     HeapFree(GetProcessHeap(), 0, szReferrer);
1188     HeapFree(GetProcessHeap(), 0, szVersion);
1189     HeapFree(GetProcessHeap(), 0, szObjectName);
1190     HeapFree(GetProcessHeap(), 0, szVerb);
1191 
1192     return rc;
1193 }
1194 
1195 /***********************************************************************
1196  *  HTTP_EncodeBase64
1197  */
1198 static UINT HTTP_EncodeBase64( LPCSTR bin, unsigned int len, LPWSTR base64 )
1199 {
1200     UINT n = 0, x;
1201     static const CHAR HTTP_Base64Enc[] =
1202         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1203 
1204     while( len > 0 )
1205     {
1206         /* first 6 bits, all from bin[0] */
1207         base64[n++] = HTTP_Base64Enc[(bin[0] & 0xfc) >> 2];
1208         x = (bin[0] & 3) << 4;
1209 
1210         /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
1211         if( len == 1 )
1212         {
1213             base64[n++] = HTTP_Base64Enc[x];
1214             base64[n++] = '=';
1215             base64[n++] = '=';
1216             break;
1217         }
1218         base64[n++] = HTTP_Base64Enc[ x | ( (bin[1]&0xf0) >> 4 ) ];
1219         x = ( bin[1] & 0x0f ) << 2;
1220 
1221         /* next 6 bits 4 from bin[1] and 2 from bin[2] */
1222         if( len == 2 )
1223         {
1224             base64[n++] = HTTP_Base64Enc[x];
1225             base64[n++] = '=';
1226             break;
1227         }
1228         base64[n++] = HTTP_Base64Enc[ x | ( (bin[2]&0xc0 ) >> 6 ) ];
1229 
1230         /* last 6 bits, all from bin [2] */
1231         base64[n++] = HTTP_Base64Enc[ bin[2] & 0x3f ];
1232         bin += 3;
1233         len -= 3;
1234     }
1235     base64[n] = 0;
1236     return n;
1237 }
1238 
1239 #define CH(x) (((x) >= 'A' && (x) <= 'Z') ? (x) - 'A' : \
1240                ((x) >= 'a' && (x) <= 'z') ? (x) - 'a' + 26 : \
1241                ((x) >= '' && (x) <= '9') ? (x) - '' + 52 : \
1242                ((x) == '+') ? 62 : ((x) == '/') ? 63 : -1)
1243 static const signed char HTTP_Base64Dec[256] =
1244 {
1245     CH( 0),CH( 1),CH( 2),CH( 3),CH( 4),CH( 5),CH( 6),CH( 7),CH( 8),CH( 9),
1246     CH(10),CH(11),CH(12),CH(13),CH(14),CH(15),CH(16),CH(17),CH(18),CH(19),
1247     CH(20),CH(21),CH(22),CH(23),CH(24),CH(25),CH(26),CH(27),CH(28),CH(29),
1248     CH(30),CH(31),CH(32),CH(33),CH(34),CH(35),CH(36),CH(37),CH(38),CH(39),
1249     CH(40),CH(41),CH(42),CH(43),CH(44),CH(45),CH(46),CH(47),CH(48),CH(49),
1250     CH(50),CH(51),CH(52),CH(53),CH(54),CH(55),CH(56),CH(57),CH(58),CH(59),
1251     CH(60),CH(61),CH(62),CH(63),CH(64),CH(65),CH(66),CH(67),CH(68),CH(69),
1252     CH(70),CH(71),CH(72),CH(73),CH(74),CH(75),CH(76),CH(77),CH(78),CH(79),
1253     CH(80),CH(81),CH(82),CH(83),CH(84),CH(85),CH(86),CH(87),CH(88),CH(89),
1254     CH(90),CH(91),CH(92),CH(93),CH(94),CH(95),CH(96),CH(97),CH(98),CH(99),
1255     CH(100),CH(101),CH(102),CH(103),CH(104),CH(105),CH(106),CH(107),CH(108),CH(109),
1256     CH(110),CH(111),CH(112),CH(113),CH(114),CH(115),CH(116),CH(117),CH(118),CH(119),
1257     CH(120),CH(121),CH(122),CH(123),CH(124),CH(125),CH(126),CH(127),CH(128),CH(129),
1258     CH(130),CH(131),CH(132),CH(133),CH(134),CH(135),CH(136),CH(137),CH(138),CH(139),
1259     CH(140),CH(141),CH(142),CH(143),CH(144),CH(145),CH(146),CH(147),CH(148),CH(149),
1260     CH(150),CH(151),CH(152),CH(153),CH(154),CH(155),CH(156),CH(157),CH(158),CH(159),
1261     CH(160),CH(161),CH(162),CH(163),CH(164),CH(165),CH(166),CH(167),CH(168),CH(169),
1262     CH(170),CH(171),CH(172),CH(173),CH(174),CH(175),CH(176),CH(177),CH(178),CH(179),
1263     CH(180),CH(181),CH(182),CH(183),CH(184),CH(185),CH(186),CH(187),CH(188),CH(189),
1264     CH(190),CH(191),CH(192),CH(193),CH(194),CH(195),CH(196),CH(197),CH(198),CH(199),
1265     CH(200),CH(201),CH(202),CH(203),CH(204),CH(205),CH(206),CH(207),CH(208),CH(209),
1266     CH(210),CH(211),CH(212),CH(213),CH(214),CH(215),CH(216),CH(217),CH(218),CH(219),
1267     CH(220),CH(221),CH(222),CH(223),CH(224),CH(225),CH(226),CH(227),CH(228),CH(229),
1268     CH(230),CH(231),CH(232),CH(233),CH(234),CH(235),CH(236),CH(237),CH(238),CH(239),
1269     CH(240),CH(241),CH(242),CH(243),CH(244),CH(245),CH(246),CH(247),CH(248), CH(249),
1270     CH(250),CH(251),CH(252),CH(253),CH(254),CH(255),
1271 };
1272 #undef CH
1273 
1274 /***********************************************************************
1275  *  HTTP_DecodeBase64
1276  */
1277 static UINT HTTP_DecodeBase64( LPCWSTR base64, LPSTR bin )
1278 {
1279     unsigned int n = 0;
1280 
1281     while(*base64)
1282     {
1283         signed char in[4];
1284 
1285         if (base64[0] >= ARRAYSIZE(HTTP_Base64Dec) ||
1286             ((in[0] = HTTP_Base64Dec[base64[0]]) == -1) ||
1287             base64[1] >= ARRAYSIZE(HTTP_Base64Dec) ||
1288             ((in[1] = HTTP_Base64Dec[base64[1]]) == -1))
1289         {
1290             WARN("invalid base64: %s\n", debugstr_w(base64));
1291             return 0;
1292         }
1293         if (bin)
1294             bin[n] = (unsigned char) (in[0] << 2 | in[1] >> 4);
1295         n++;
1296 
1297         if ((base64[2] == '=') && (base64[3] == '='))
1298             break;
1299         if (base64[2] > ARRAYSIZE(HTTP_Base64Dec) ||
1300             ((in[2] = HTTP_Base64Dec[base64[2]]) == -1))
1301         {
1302             WARN("invalid base64: %s\n", debugstr_w(&base64[2]));
1303             return 0;
1304         }
1305         if (bin)
1306             bin[n] = (unsigned char) (in[1] << 4 | in[2] >> 2);
1307         n++;
1308 
1309         if (base64[3] == '=')
1310             break;
1311         if (base64[3] > ARRAYSIZE(HTTP_Base64Dec) ||
1312             ((in[3] = HTTP_Base64Dec[base64[3]]) == -1))
1313         {
1314             WARN("invalid base64: %s\n", debugstr_w(&base64[3]));
1315             return 0;
1316         }
1317         if (bin)
1318             bin[n] = (unsigned char) (((in[2] << 6) & 0xc0) | in[3]);
1319         n++;
1320 
1321         base64 += 4;
1322     }
1323 
1324     return n;
1325 }
1326 
1327 /***********************************************************************
1328  *  HTTP_InsertAuthorization
1329  *
1330  *   Insert or delete the authorization field in the request header.
1331  */
1332 static BOOL HTTP_InsertAuthorization( LPWININETHTTPREQW lpwhr, struct HttpAuthInfo *pAuthInfo, LPCWSTR header )
1333 {
1334     if (pAuthInfo)
1335     {
1336         static const WCHAR wszSpace[] = {' ',0};
1337         static const WCHAR wszBasic[] = {'B','a','s','i','c',0};
1338         unsigned int len;
1339         WCHAR *authorization = NULL;
1340 
1341         if (pAuthInfo->auth_data_len)
1342         {
1343             /* scheme + space + base64 encoded data (3/2/1 bytes data -> 4 bytes of characters) */
1344             len = strlenW(pAuthInfo->scheme)+1+((pAuthInfo->auth_data_len+2)*4)/3;
1345             authorization = HeapAlloc(GetProcessHeap(), 0, (len+1)*sizeof(WCHAR));
1346             if (!authorization)
1347                 return FALSE;
1348 
1349             strcpyW(authorization, pAuthInfo->scheme);
1350             strcatW(authorization, wszSpace);
1351             HTTP_EncodeBase64(pAuthInfo->auth_data,
1352                               pAuthInfo->auth_data_len,
1353                               authorization+strlenW(authorization));
1354 
1355             /* clear the data as it isn't valid now that it has been sent to the
1356              * server, unless it's Basic authentication which doesn't do
1357              * connection tracking */
1358             if (strcmpiW(pAuthInfo->scheme, wszBasic))
1359             {
1360                 HeapFree(GetProcessHeap(), 0, pAuthInfo->auth_data);
1361                 pAuthInfo->auth_data = NULL;
1362                 pAuthInfo->auth_data_len = 0;
1363             }
1364         }
1365 
1366         TRACE("Inserting authorization: %s\n", debugstr_w(authorization));
1367 
1368         HTTP_ProcessHeader(lpwhr, header, authorization, HTTP_ADDHDR_FLAG_REQ | HTTP_ADDHDR_FLAG_REPLACE);
1369 
1370         HeapFree(GetProcessHeap(), 0, authorization);
1371     }
1372     return TRUE;
1373 }
1374 
1375 static WCHAR *HTTP_BuildProxyRequestUrl(WININETHTTPREQW *req)
1376 {
1377     WCHAR new_location[INTERNET_MAX_URL_LENGTH], *url;
1378     DWORD size;
1379 
1380     size = sizeof(new_location);
1381     if (HTTP_HttpQueryInfoW(req, HTTP_QUERY_LOCATION, new_location, &size, NULL))
1382     {
1383         if (!(url = HeapAlloc( GetProcessHeap(), 0, size + sizeof(WCHAR) ))) return NULL;
1384         strcpyW( url, new_location );
1385     }
1386     else
1387     {
1388         static const WCHAR slash[] = { '/',0 };
1389         static const WCHAR format[] = { 'h','t','t','p',':','/','/','%','s',':','%','d',0 };
1390         static const WCHAR formatSSL[] = { 'h','t','t','p','s',':','/','/','%','s',':','%','d',0 };
1391         WININETHTTPSESSIONW *session = req->lpHttpSession;
1392 
1393         size = 16; /* "https://" + sizeof(port#) + ":/\0" */
1394         size += strlenW( session->lpszHostName ) + strlenW( req->lpszPath );
1395 
1396         if (!(url = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) return NULL;
1397 
1398         if (req->hdr.dwFlags & INTERNET_FLAG_SECURE)
1399             sprintfW( url, formatSSL, session->lpszHostName, session->nHostPort );
1400         else
1401             sprintfW( url, format, session->lpszHostName, session->nHostPort );
1402         if (req->lpszPath[0] != '/') strcatW( url, slash );
1403         strcatW( url, req->lpszPath );
1404     }
1405     TRACE("url=%s\n", debugstr_w(url));
1406     return url;
1407 }
1408 
1409 /***********************************************************************
1410  *           HTTP_DealWithProxy
1411  */
1412 static BOOL HTTP_DealWithProxy( LPWININETAPPINFOW hIC,
1413     LPWININETHTTPSESSIONW lpwhs, LPWININETHTTPREQW lpwhr)
1414 {
1415     WCHAR buf[MAXHOSTNAME];
1416     WCHAR proxy[MAXHOSTNAME + 15]; /* 15 == "http://" + sizeof(port#) + ":/\0" */
1417     static WCHAR szNul[] = { 0 };
1418     URL_COMPONENTSW UrlComponents;
1419     static const WCHAR szHttp[] = { 'h','t','t','p',':','/','/',0 };
1420     static const WCHAR szFormat[] = { 'h','t','t','p',':','/','/','%','s',0 };
1421 
1422     memset( &UrlComponents, 0, sizeof UrlComponents );
1423     UrlComponents.dwStructSize = sizeof UrlComponents;
1424     UrlComponents.lpszHostName = buf;
1425     UrlComponents.dwHostNameLength = MAXHOSTNAME;
1426 
1427     if( CSTR_EQUAL != CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
1428                                  hIC->lpszProxy,strlenW(szHttp),szHttp,strlenW(szHttp)) )
1429         sprintfW(proxy, szFormat, hIC->lpszProxy);
1430     else
1431         strcpyW(proxy, hIC->lpszProxy);
1432     if( !InternetCrackUrlW(proxy, 0, 0, &UrlComponents) )
1433         return FALSE;
1434     if( UrlComponents.dwHostNameLength == 0 )
1435         return FALSE;
1436 
1437     if( !lpwhr->lpszPath )
1438         lpwhr->lpszPath = szNul;
1439 
1440     if(UrlComponents.nPort == INTERNET_INVALID_PORT_NUMBER)
1441         UrlComponents.nPort = INTERNET_DEFAULT_HTTP_PORT;
1442 
1443     HeapFree(GetProcessHeap(), 0, lpwhs->lpszServerName);
1444     lpwhs->lpszServerName = WININET_strdupW(UrlComponents.lpszHostName);
1445     lpwhs->nServerPort = UrlComponents.nPort;
1446 
1447     TRACE("proxy server=%s port=%d\n", debugstr_w(lpwhs->lpszServerName), lpwhs->nServerPort);
1448     return TRUE;
1449 }
1450 
1451 static BOOL HTTP_ResolveName(LPWININETHTTPREQW lpwhr)
1452 {
1453     char szaddr[32];
1454     LPWININETHTTPSESSIONW lpwhs = lpwhr->lpHttpSession;
1455 
1456     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext,
1457                           INTERNET_STATUS_RESOLVING_NAME,
1458                           lpwhs->lpszServerName,
1459                           strlenW(lpwhs->lpszServerName)+1);
1460 
1461     if (!GetAddress(lpwhs->lpszServerName, lpwhs->nServerPort,
1462                     &lpwhs->socketAddress))
1463     {
1464         INTERNET_SetLastError(ERROR_INTERNET_NAME_NOT_RESOLVED);
1465         return FALSE;
1466     }
1467 
1468     inet_ntop(lpwhs->socketAddress.sin_family, &lpwhs->socketAddress.sin_addr,
1469               szaddr, sizeof(szaddr));
1470     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext,
1471                           INTERNET_STATUS_NAME_RESOLVED,
1472                           szaddr, strlen(szaddr)+1);
1473 
1474     TRACE("resolved %s to %s\n", debugstr_w(lpwhs->lpszServerName), szaddr);
1475     return TRUE;
1476 }
1477 
1478 
1479 /***********************************************************************
1480  *           HTTPREQ_Destroy (internal)
1481  *
1482  * Deallocate request handle
1483  *
1484  */
1485 static void HTTPREQ_Destroy(WININETHANDLEHEADER *hdr)
1486 {
1487     LPWININETHTTPREQW lpwhr = (LPWININETHTTPREQW) hdr;
1488     DWORD i;
1489 
1490     TRACE("\n");
1491 
1492     if(lpwhr->hCacheFile)
1493         CloseHandle(lpwhr->hCacheFile);
1494 
1495     if(lpwhr->lpszCacheFile) {
1496         DeleteFileW(lpwhr->lpszCacheFile); /* FIXME */
1497         HeapFree(GetProcessHeap(), 0, lpwhr->lpszCacheFile);
1498     }
1499 
1500     DeleteCriticalSection( &lpwhr->read_section );
1501     WININET_Release(&lpwhr->lpHttpSession->hdr);
1502 
1503     if (lpwhr->pAuthInfo)
1504     {
1505         if (SecIsValidHandle(&lpwhr->pAuthInfo->ctx))
1506             DeleteSecurityContext(&lpwhr->pAuthInfo->ctx);
1507         if (SecIsValidHandle(&lpwhr->pAuthInfo->cred))
1508             FreeCredentialsHandle(&lpwhr->pAuthInfo->cred);
1509 
1510         HeapFree(GetProcessHeap(), 0, lpwhr->pAuthInfo->auth_data);
1511         HeapFree(GetProcessHeap(), 0, lpwhr->pAuthInfo->scheme);
1512         HeapFree(GetProcessHeap(), 0, lpwhr->pAuthInfo);
1513         lpwhr->pAuthInfo = NULL;
1514     }
1515 
1516     if (lpwhr->pProxyAuthInfo)
1517     {
1518         if (SecIsValidHandle(&lpwhr->pProxyAuthInfo->ctx))
1519             DeleteSecurityContext(&lpwhr->pProxyAuthInfo->ctx);
1520         if (SecIsValidHandle(&lpwhr->pProxyAuthInfo->cred))
1521             FreeCredentialsHandle(&lpwhr->pProxyAuthInfo->cred);
1522 
1523         HeapFree(GetProcessHeap(), 0, lpwhr->pProxyAuthInfo->auth_data);
1524         HeapFree(GetProcessHeap(), 0, lpwhr->pProxyAuthInfo->scheme);
1525         HeapFree(GetProcessHeap(), 0, lpwhr->pProxyAuthInfo);
1526         lpwhr->pProxyAuthInfo = NULL;
1527     }
1528 
1529     HeapFree(GetProcessHeap(), 0, lpwhr->lpszPath);
1530     HeapFree(GetProcessHeap(), 0, lpwhr->lpszVerb);
1531     HeapFree(GetProcessHeap(), 0, lpwhr->lpszRawHeaders);
1532     HeapFree(GetProcessHeap(), 0, lpwhr->lpszVersion);
1533     HeapFree(GetProcessHeap(), 0, lpwhr->lpszStatusText);
1534 
1535     for (i = 0; i < lpwhr->nCustHeaders; i++)
1536     {
1537         HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders[i].lpszField);
1538         HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders[i].lpszValue);
1539     }
1540 
1541     HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders);
1542     HeapFree(GetProcessHeap(), 0, lpwhr);
1543 }
1544 
1545 static void HTTPREQ_CloseConnection(WININETHANDLEHEADER *hdr)
1546 {
1547     LPWININETHTTPREQW lpwhr = (LPWININETHTTPREQW) hdr;
1548 
1549     TRACE("%p\n",lpwhr);
1550 
1551 #ifdef HAVE_ZLIB
1552     if(lpwhr->gzip_stream) {
1553         inflateEnd(&lpwhr->gzip_stream->zstream);
1554         HeapFree(GetProcessHeap(), 0, lpwhr->gzip_stream);
1555         lpwhr->gzip_stream = NULL;
1556     }
1557 #endif
1558 
1559     if (!NETCON_connected(&lpwhr->netConnection))
1560         return;
1561 
1562     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext,
1563                           INTERNET_STATUS_CLOSING_CONNECTION, 0, 0);
1564 
1565     NETCON_close(&lpwhr->netConnection);
1566 
1567     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext,
1568                           INTERNET_STATUS_CONNECTION_CLOSED, 0, 0);
1569 }
1570 
1571 static BOOL HTTP_GetRequestURL(WININETHTTPREQW *req, LPWSTR buf)
1572 {
1573     LPHTTPHEADERW host_header;
1574 
1575     static const WCHAR formatW[] = {'h','t','t','p',':','/','/','%','s','%','s',0};
1576 
1577     host_header = HTTP_GetHeader(req, hostW);
1578     if(!host_header)
1579         return FALSE;
1580 
1581     sprintfW(buf, formatW, host_header->lpszValue, req->lpszPath); /* FIXME */
1582     return TRUE;
1583 }
1584 
1585 static DWORD HTTPREQ_QueryOption(WININETHANDLEHEADER *hdr, DWORD option, void *buffer, DWORD *size, BOOL unicode)
1586 {
1587     WININETHTTPREQW *req = (WININETHTTPREQW*)hdr;
1588 
1589     switch(option) {
1590     case INTERNET_OPTION_HANDLE_TYPE:
1591         TRACE("INTERNET_OPTION_HANDLE_TYPE\n");
1592 
1593         if (*size < sizeof(ULONG))
1594             return ERROR_INSUFFICIENT_BUFFER;
1595 
1596         *size = sizeof(DWORD);
1597         *(DWORD*)buffer = INTERNET_HANDLE_TYPE_HTTP_REQUEST;
1598         return ERROR_SUCCESS;
1599 
1600     case INTERNET_OPTION_URL: {
1601         WCHAR url[INTERNET_MAX_URL_LENGTH];
1602         HTTPHEADERW *host;
1603         DWORD len;
1604         WCHAR *pch;
1605 
1606         static const WCHAR httpW[] = {'h','t','t','p',':','/','/',0};
1607 
1608         TRACE("INTERNET_OPTION_URL\n");
1609 
1610         host = HTTP_GetHeader(req, hostW);
1611         strcpyW(url, httpW);
1612         strcatW(url, host->lpszValue);
1613         if (NULL != (pch = strchrW(url + strlenW(httpW), ':')))
1614             *pch = 0;
1615         strcatW(url, req->lpszPath);
1616 
1617         TRACE("INTERNET_OPTION_URL: %s\n",debugstr_w(url));
1618 
1619         if(unicode) {
1620             len = (strlenW(url)+1) * sizeof(WCHAR);
1621             if(*size < len)
1622                 return ERROR_INSUFFICIENT_BUFFER;
1623 
1624             *size = len;
1625             strcpyW(buffer, url);
1626             return ERROR_SUCCESS;
1627         }else {
1628             len = WideCharToMultiByte(CP_ACP, 0, url, -1, buffer, *size, NULL, NULL);
1629             if(len > *size)
1630                 return ERROR_INSUFFICIENT_BUFFER;
1631 
1632             *size = len;
1633             return ERROR_SUCCESS;
1634         }
1635     }
1636 
1637     case INTERNET_OPTION_CACHE_TIMESTAMPS: {
1638         INTERNET_CACHE_ENTRY_INFOW *info;
1639         INTERNET_CACHE_TIMESTAMPS *ts = buffer;
1640         WCHAR url[INTERNET_MAX_URL_LENGTH];
1641         DWORD nbytes, error;
1642         BOOL ret;
1643 
1644         TRACE("INTERNET_OPTION_CACHE_TIMESTAMPS\n");
1645 
1646         if (*size < sizeof(*ts))
1647         {
1648             *size = sizeof(*ts);
1649             return ERROR_INSUFFICIENT_BUFFER;
1650         }
1651         nbytes = 0;
1652         HTTP_GetRequestURL(req, url);
1653         ret = GetUrlCacheEntryInfoW(url, NULL, &nbytes);
1654         error = GetLastError();
1655         if (!ret && error == ERROR_INSUFFICIENT_BUFFER)
1656         {
1657             if (!(info = HeapAlloc(GetProcessHeap(), 0, nbytes)))
1658                 return ERROR_OUTOFMEMORY;
1659 
1660             GetUrlCacheEntryInfoW(url, info, &nbytes);
1661 
1662             ts->ftExpires = info->ExpireTime;
1663             ts->ftLastModified = info->LastModifiedTime;
1664 
1665             HeapFree(GetProcessHeap(), 0, info);
1666             *size = sizeof(*ts);
1667             return ERROR_SUCCESS;
1668         }
1669         return error;
1670     }
1671 
1672     case INTERNET_OPTION_DATAFILE_NAME: {
1673         DWORD req_size;
1674 
1675         TRACE("INTERNET_OPTION_DATAFILE_NAME\n");
1676 
1677         if(!req->lpszCacheFile) {
1678             *size = 0;
1679             return ERROR_INTERNET_ITEM_NOT_FOUND;
1680         }
1681 
1682         if(unicode) {
1683             req_size = (lstrlenW(req->lpszCacheFile)+1) * sizeof(WCHAR);
1684             if(*size < req_size)
1685                 return ERROR_INSUFFICIENT_BUFFER;
1686 
1687             *size = req_size;
1688             memcpy(buffer, req->lpszCacheFile, *size);
1689             return ERROR_SUCCESS;
1690         }else {
1691             req_size = WideCharToMultiByte(CP_ACP, 0, req->lpszCacheFile, -1, NULL, 0, NULL, NULL);
1692             if (req_size > *size)
1693                 return ERROR_INSUFFICIENT_BUFFER;
1694 
1695             *size = WideCharToMultiByte(CP_ACP, 0, req->lpszCacheFile,
1696                     -1, buffer, *size, NULL, NULL);
1697             return ERROR_SUCCESS;
1698         }
1699     }
1700 
1701     case INTERNET_OPTION_SECURITY_CERTIFICATE_STRUCT: {
1702         PCCERT_CONTEXT context;
1703 
1704         if(*size < sizeof(INTERNET_CERTIFICATE_INFOW)) {
1705             *size = sizeof(INTERNET_CERTIFICATE_INFOW);
1706             return ERROR_INSUFFICIENT_BUFFER;
1707         }
1708 
1709         context = (PCCERT_CONTEXT)NETCON_GetCert(&(req->netConnection));
1710         if(context) {
1711             INTERNET_CERTIFICATE_INFOW *info = (INTERNET_CERTIFICATE_INFOW*)buffer;
1712             DWORD len;
1713 
1714             memset(info, 0, sizeof(INTERNET_CERTIFICATE_INFOW));
1715             info->ftExpiry = context->pCertInfo->NotAfter;
1716             info->ftStart = context->pCertInfo->NotBefore;
1717             if(unicode) {
1718                 len = CertNameToStrW(context->dwCertEncodingType,
1719                         &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR, NULL, 0);
1720                 info->lpszSubjectInfo = LocalAlloc(0, len*sizeof(WCHAR));
1721                 if(info->lpszSubjectInfo)
1722                     CertNameToStrW(context->dwCertEncodingType,
1723                              &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR,
1724                              info->lpszSubjectInfo, len);
1725                 len = CertNameToStrW(context->dwCertEncodingType,
1726                          &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR, NULL, 0);
1727                 info->lpszIssuerInfo = LocalAlloc(0, len*sizeof(WCHAR));
1728                 if (info->lpszIssuerInfo)
1729                     CertNameToStrW(context->dwCertEncodingType,
1730                              &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR,
1731                              info->lpszIssuerInfo, len);
1732             }else {
1733                 INTERNET_CERTIFICATE_INFOA *infoA = (INTERNET_CERTIFICATE_INFOA*)info;
1734 
1735                 len = CertNameToStrA(context->dwCertEncodingType,
1736                          &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR, NULL, 0);
1737                 infoA->lpszSubjectInfo = LocalAlloc(0, len);
1738                 if(infoA->lpszSubjectInfo)
1739                     CertNameToStrA(context->dwCertEncodingType,
1740                              &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR,
1741                              infoA->lpszSubjectInfo, len);
1742                 len = CertNameToStrA(context->dwCertEncodingType,
1743                          &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR, NULL, 0);
1744                 infoA->lpszIssuerInfo = LocalAlloc(0, len);
1745                 if(infoA->lpszIssuerInfo)
1746                     CertNameToStrA(context->dwCertEncodingType,
1747                              &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR,
1748                              infoA->lpszIssuerInfo, len);
1749             }
1750 
1751             /*
1752              * Contrary to MSDN, these do not appear to be set.
1753              * lpszProtocolName
1754              * lpszSignatureAlgName
1755              * lpszEncryptionAlgName
1756              * dwKeySize
1757              */
1758             CertFreeCertificateContext(context);
1759             return ERROR_SUCCESS;
1760         }
1761     }
1762     }
1763 
1764     return INET_QueryOption(option, buffer, size, unicode);
1765 }
1766 
1767 static DWORD HTTPREQ_SetOption(WININETHANDLEHEADER *hdr, DWORD option, void *buffer, DWORD size)
1768 {
1769     WININETHTTPREQW *req = (WININETHTTPREQW*)hdr;
1770 
1771     switch(option) {
1772     case INTERNET_OPTION_SEND_TIMEOUT:
1773     case INTERNET_OPTION_RECEIVE_TIMEOUT:
1774         TRACE("INTERNET_OPTION_SEND/RECEIVE_TIMEOUT\n");
1775 
1776         if (size != sizeof(DWORD))
1777             return ERROR_INVALID_PARAMETER;
1778 
1779         return NETCON_set_timeout(&req->netConnection, option == INTERNET_OPTION_SEND_TIMEOUT,
1780                     *(DWORD*)buffer);
1781 
1782     case INTERNET_OPTION_USERNAME:
1783         HeapFree(GetProcessHeap(), 0, req->lpHttpSession->lpszUserName);
1784         if (!(req->lpHttpSession->lpszUserName = WININET_strdupW(buffer))) return ERROR_OUTOFMEMORY;
1785         return ERROR_SUCCESS;
1786 
1787     case INTERNET_OPTION_PASSWORD:
1788         HeapFree(GetProcessHeap(), 0, req->lpHttpSession->lpszPassword);
1789         if (!(req->lpHttpSession->lpszPassword = WININET_strdupW(buffer))) return ERROR_OUTOFMEMORY;
1790         return ERROR_SUCCESS;
1791     case INTERNET_OPTION_HTTP_DECODING:
1792         if(size != sizeof(BOOL))
1793             return ERROR_INVALID_PARAMETER;
1794         req->decoding = *(BOOL*)buffer;
1795         return ERROR_SUCCESS;
1796     }
1797 
1798     return ERROR_INTERNET_INVALID_OPTION;
1799 }
1800 
1801 /* read some more data into the read buffer (the read section must be held) */
1802 static BOOL read_more_data( WININETHTTPREQW *req, int maxlen )
1803 {
1804     int len;
1805 
1806     if (req->read_pos)
1807     {
1808         /* move existing data to the start of the buffer */
1809         if(req->read_size)
1810             memmove( req->read_buf, req->read_buf + req->read_pos, req->read_size );
1811         req->read_pos = 0;
1812     }
1813 
1814     if (maxlen == -1) maxlen = sizeof(req->read_buf);
1815 
1816     if(!NETCON_recv( &req->netConnection, req->read_buf + req->read_size,
1817                      maxlen - req->read_size, 0, &len ))
1818         return FALSE;
1819 
1820     req->read_size += len;
1821     return TRUE;
1822 }
1823 
1824 /* remove some amount of data from the read buffer (the read section must be held) */
1825 static void remove_data( WININETHTTPREQW *req, int count )
1826 {
1827     if (!(req->read_size -= count)) req->read_pos = 0;
1828     else req->read_pos += count;
1829 }
1830 
1831 static BOOL read_line( WININETHTTPREQW *req, LPSTR buffer, DWORD *len )
1832 {
1833     int count, bytes_read, pos = 0;
1834 
1835     EnterCriticalSection( &req->read_section );
1836     for (;;)
1837     {
1838         BYTE *eol = memchr( req->read_buf + req->read_pos, '\n', req->read_size );
1839 
1840         if (eol)
1841         {
1842             count = eol - (req->read_buf + req->read_pos);
1843             bytes_read = count + 1;
1844         }
1845         else count = bytes_read = req->read_size;
1846 
1847         count = min( count, *len - pos );
1848         memcpy( buffer + pos, req->read_buf + req->read_pos, count );
1849         pos += count;
1850         remove_data( req, bytes_read );
1851         if (eol) break;
1852 
1853         if (!read_more_data( req, -1 ) || !req->read_size)
1854         {
1855             *len = 0;
1856             TRACE( "returning empty string\n" );
1857             LeaveCriticalSection( &req->read_section );
1858             return FALSE;
1859         }
1860     }
1861     LeaveCriticalSection( &req->read_section );
1862 
1863     if (pos < *len)
1864     {
1865         if (pos && buffer[pos - 1] == '\r') pos--;
1866         *len = pos + 1;
1867     }
1868     buffer[*len - 1] = 0;
1869     TRACE( "returning %s\n", debugstr_a(buffer));
1870     return TRUE;
1871 }
1872 
1873 /* discard data contents until we reach end of line (the read section must be held) */
1874 static BOOL discard_eol( WININETHTTPREQW *req )
1875 {
1876     do
1877     {
1878         BYTE *eol = memchr( req->read_buf + req->read_pos, '\n', req->read_size );
1879         if (eol)
1880         {
1881             remove_data( req, (eol + 1) - (req->read_buf + req->read_pos) );
1882             break;
1883         }
1884         req->read_pos = req->read_size = 0;  /* discard everything */
1885         if (!read_more_data( req, -1 )) return FALSE;
1886     } while (req->read_size);
1887     return TRUE;
1888 }
1889 
1890 /* read the size of the next chunk (the read section must be held) */
1891 static BOOL start_next_chunk( WININETHTTPREQW *req )
1892 {
1893     DWORD chunk_size = 0;
1894 
1895     if (!req->dwContentLength) return TRUE;
1896     if (req->dwContentLength == req->dwContentRead)
1897     {
1898         /* read terminator for the previous chunk */
1899         if (!discard_eol( req )) return FALSE;
1900         req->dwContentLength = ~0u;
1901         req->dwContentRead = 0;
1902     }
1903     for (;;)
1904     {
1905         while (req->read_size)
1906         {
1907             char ch = req->read_buf[req->read_pos];
1908             if (ch >= '' && ch <= '9') chunk_size = chunk_size * 16 + ch - '';
1909             else if (ch >= 'a' && ch <= 'f') chunk_size = chunk_size * 16 + ch - 'a' + 10;
1910             else if (ch >= 'A' && ch <= 'F') chunk_size = chunk_size * 16 + ch - 'A' + 10;
1911             else if (ch == ';' || ch == '\r' || ch == '\n')
1912             {
1913                 TRACE( "reading %u byte chunk\n", chunk_size );
1914                 req->dwContentLength = chunk_size;
1915                 req->dwContentRead = 0;
1916                 if (!discard_eol( req )) return FALSE;
1917                 return TRUE;
1918             }
1919             remove_data( req, 1 );
1920         }
1921         if (!read_more_data( req, -1 )) return FALSE;
1922         if (!req->read_size)
1923         {
1924             req->dwContentLength = req->dwContentRead = 0;
1925             return TRUE;
1926         }
1927     }
1928 }
1929 
1930 /* check if we have reached the end of the data to read (the read section must be held) */
1931 static BOOL end_of_read_data( WININETHTTPREQW *req )
1932 {
1933     if (req->gzip_stream) return req->gzip_stream->end_of_data && !req->gzip_stream->buf_size;
1934     if (req->read_chunked) return (req->dwContentLength == 0);
1935     if (req->dwContentLength == ~0u) return FALSE;
1936     return (req->dwContentLength == req->dwContentRead);
1937 }
1938 
1939 /* fetch some more data into the read buffer (the read section must be held) */
1940 static BOOL refill_buffer( WININETHTTPREQW *req )
1941 {
1942     int len = sizeof(req->read_buf);
1943 
1944     if (req->read_chunked && (req->dwContentLength == ~0u || req->dwContentLength == req->dwContentRead))
1945     {
1946         if (!start_next_chunk( req )) return FALSE;
1947     }
1948 
1949     if (req->dwContentLength != ~0u) len = min( len, req->dwContentLength - req->dwContentRead );
1950     if (len <= req->read_size) return TRUE;
1951 
1952     if (!read_more_data( req, len )) return FALSE;
1953     if (!req->read_size) req->dwContentLength = req->dwContentRead = 0;
1954     return TRUE;
1955 }
1956 
1957 static DWORD read_gzip_data(WININETHTTPREQW *req, BYTE *buf, int size, BOOL sync, int *read_ret)
1958 {
1959     DWORD ret = ERROR_SUCCESS;
1960     int read = 0;
1961 
1962 #ifdef HAVE_ZLIB
1963     z_stream *zstream = &req->gzip_stream->zstream;
1964     int zres;
1965 
1966     while(read < size && !req->gzip_stream->end_of_data) {
1967         if(!req->read_size) {
1968             if(!sync || !refill_buffer(req))
1969                 break;
1970         }
1971 
1972         zstream->next_in = req->read_buf+req->read_pos;
1973         zstream->avail_in = req->read_size;
1974         zstream->next_out = buf+read;
1975         zstream->avail_out = size-read;
1976         zres = inflate(zstream, Z_FULL_FLUSH);
1977         read = size - zstream->avail_out;
1978         remove_data(req, req->read_size-zstream->avail_in);
1979         if(zres == Z_STREAM_END) {
1980             TRACE("end of data\n");
1981             req->gzip_stream->end_of_data = TRUE;
1982         }else if(zres != Z_OK) {
1983             WARN("inflate failed %d\n", zres);
1984             if(!read)
1985                 ret = ERROR_INTERNET_DECODING_FAILED;
1986             break;
1987         }
1988     }
1989 #endif
1990 
1991     *read_ret = read;
1992     return ret;
1993 }
1994 
1995 static void refill_gzip_buffer(WININETHTTPREQW *req)
1996 {
1997     DWORD res;
1998     int len;
1999 
2000     if(!req->gzip_stream || !req->read_size || req->gzip_stream->buf_size == sizeof(req->gzip_stream->buf))
2001         return;
2002 
2003     if(req->gzip_stream->buf_pos) {
2004         if(req->gzip_stream->buf_size)
2005             memmove(req->gzip_stream->buf, req->gzip_stream->buf + req->gzip_stream->buf_pos, req->gzip_stream->buf_size);
2006         req->gzip_stream->buf_pos = 0;
2007     }
2008 
2009     res = read_gzip_data(req, req->gzip_stream->buf + req->gzip_stream->buf_size,
2010             sizeof(req->gzip_stream->buf) - req->gzip_stream->buf_size, FALSE, &len);
2011     if(res == ERROR_SUCCESS)
2012         req->gzip_stream->buf_size += len;
2013 }
2014 
2015 /* return the size of data available to be read immediately (the read section must be held) */
2016 static DWORD get_avail_data( WININETHTTPREQW *req )
2017 {
2018     if (req->gzip_stream) {
2019         refill_gzip_buffer(req);
2020         return req->gzip_stream->buf_size;
2021     }
2022     if (req->read_chunked && (req->dwContentLength == ~0u || req->dwContentLength == req->dwContentRead))
2023         return 0;
2024     return min( req->read_size, req->dwContentLength - req->dwContentRead );
2025 }
2026 
2027 static void HTTP_ReceiveRequestData(WININETHTTPREQW *req, BOOL first_notif)
2028 {
2029     INTERNET_ASYNC_RESULT iar;
2030 
2031     TRACE("%p\n", req);
2032 
2033     EnterCriticalSection( &req->read_section );
2034     if (refill_buffer( req )) {
2035         iar.dwResult = (DWORD_PTR)req->hdr.hInternet;
2036         iar.dwError = first_notif ? 0 : get_avail_data(req);
2037     }else {
2038         iar.dwResult = 0;
2039         iar.dwError = INTERNET_GetLastError();
2040     }
2041     LeaveCriticalSection( &req->read_section );
2042 
2043     INTERNET_SendCallback(&req->hdr, req->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE, &iar,
2044                           sizeof(INTERNET_ASYNC_RESULT));
2045 }
2046 
2047 /* read data from the http connection (the read section must be held) */
2048 static DWORD HTTPREQ_Read(WININETHTTPREQW *req, void *buffer, DWORD size, DWORD *read, BOOL sync)
2049 {
2050     BOOL finished_reading = FALSE;
2051     int len, bytes_read = 0;
2052     DWORD ret = ERROR_SUCCESS;
2053 
2054     EnterCriticalSection( &req->read_section );
2055 
2056     if (req->read_chunked && (req->dwContentLength == ~0u || req->dwContentLength == req->dwContentRead))
2057     {
2058         if (!start_next_chunk( req )) goto done;
2059     }
2060 
2061     if(req->gzip_stream) {
2062         if(req->gzip_stream->buf_size) {
2063             bytes_read = min(req->gzip_stream->buf_size, size);
2064             memcpy(buffer, req->gzip_stream->buf + req->gzip_stream->buf_pos, bytes_read);
2065             req->gzip_stream->buf_pos += bytes_read;
2066             req->gzip_stream->buf_size -= bytes_read;
2067         }else if(!req->read_size && !req->gzip_stream->end_of_data) {
2068             refill_buffer(req);
2069         }
2070 
2071         if(size > bytes_read) {
2072             ret = read_gzip_data(req, (BYTE*)buffer+bytes_read, size-bytes_read, sync, &len);
2073             if(ret == ERROR_SUCCESS)
2074                 bytes_read += len;
2075         }
2076 
2077         finished_reading = req->gzip_stream->end_of_data && !req->gzip_stream->buf_size;
2078     }else {
2079         if (req->dwContentLength != ~0u) size = min( size, req->dwContentLength - req->dwContentRead );
2080 
2081         if (req->read_size) {
2082             bytes_read = min( req->read_size, size );
2083             memcpy( buffer, req->read_buf + req->read_pos, bytes_read );
2084             remove_data( req, bytes_read );
2085         }
2086 
2087         if (size > bytes_read && (!bytes_read || sync)) {
2088             if (NETCON_recv( &req->netConnection, (char *)buffer + bytes_read, size - bytes_read,
2089                              sync ? MSG_WAITALL : 0, &len))
2090                 bytes_read += len;
2091             /* always return success, even if the network layer returns an error */
2092         }
2093 
2094         finished_reading = !bytes_read && req->dwContentRead == req->dwContentLength;
2095     }
2096 done:
2097     req->dwContentRead += bytes_read;
2098     *read = bytes_read;
2099 
2100     TRACE( "retrieved %u bytes (%u/%u)\n", bytes_read, req->dwContentRead, req->dwContentLength );
2101     LeaveCriticalSection( &req->read_section );
2102 
2103     if(ret == ERROR_SUCCESS && req->lpszCacheFile) {
2104         BOOL res;
2105         DWORD dwBytesWritten;
2106 
2107         res = WriteFile(req->hCacheFile, buffer, bytes_read, &dwBytesWritten, NULL);
2108         if(!res)
2109             WARN("WriteFile failed: %u\n", GetLastError());
2110     }
2111 
2112     if(finished_reading)
2113         HTTP_FinishedReading(req);
2114 
2115     return ret;
2116 }
2117 
2118 
2119 static DWORD HTTPREQ_ReadFile(WININETHANDLEHEADER *hdr, void *buffer, DWORD size, DWORD *read)
2120 {
2121     WININETHTTPREQW *req = (WININETHTTPREQW*)hdr;
2122     return HTTPREQ_Read(req, buffer, size, read, TRUE);
2123 }
2124 
2125 static void HTTPREQ_AsyncReadFileExAProc(WORKREQUEST *workRequest)
2126 {
2127     struct WORKREQ_INTERNETREADFILEEXA const *data = &workRequest->u.InternetReadFileExA;
2128     WININETHTTPREQW *req = (WININETHTTPREQW*)workRequest->hdr;
2129     INTERNET_ASYNC_RESULT iar;
2130     DWORD res;
2131 
2132     TRACE("INTERNETREADFILEEXA %p\n", workRequest->hdr);
2133 
2134     res = HTTPREQ_Read(req, data->lpBuffersOut->lpvBuffer,
2135             data->lpBuffersOut->dwBufferLength, &data->lpBuffersOut->dwBufferLength, TRUE);
2136 
2137     iar.dwResult = res == ERROR_SUCCESS;
2138     iar.dwError = res;
2139 
2140     INTERNET_SendCallback(&req->hdr, req->hdr.dwContext,
2141                           INTERNET_STATUS_REQUEST_COMPLETE, &iar,
2142                           sizeof(INTERNET_ASYNC_RESULT));
2143 }
2144 
2145 static DWORD HTTPREQ_ReadFileExA(WININETHANDLEHEADER *hdr, INTERNET_BUFFERSA *buffers,
2146         DWORD flags, DWORD_PTR context)
2147 {
2148 
2149     WININETHTTPREQW *req = (WININETHTTPREQW*)hdr;
2150     DWORD res;
2151 
2152     if (flags & ~(IRF_ASYNC|IRF_NO_WAIT))
2153         FIXME("these dwFlags aren't implemented: 0x%x\n", flags & ~(IRF_ASYNC|IRF_NO_WAIT));
2154 
2155     if (buffers->dwStructSize != sizeof(*buffers))
2156         return ERROR_INVALID_PARAMETER;
2157 
2158     INTERNET_SendCallback(&req->hdr, req->hdr.dwContext, INTERNET_STATUS_RECEIVING_RESPONSE, NULL, 0);
2159 
2160     if ((hdr->dwFlags & INTERNET_FLAG_ASYNC) && !get_avail_data(req))
2161     {
2162         WORKREQUEST workRequest;
2163 
2164         if (TryEnterCriticalSection( &req->read_section ))
2165         {
2166             if (get_avail_data(req))
2167             {
2168                 res = HTTPREQ_Read(req, buffers->lpvBuffer, buffers->dwBufferLength,
2169                                    &buffers->dwBufferLength, FALSE);
2170                 LeaveCriticalSection( &req->read_section );
2171                 goto done;
2172             }
2173             LeaveCriticalSection( &req->read_section );
2174         }
2175 
2176         workRequest.asyncproc = HTTPREQ_AsyncReadFileExAProc;
2177         workRequest.hdr = WININET_AddRef(&req->hdr);
2178         workRequest.u.InternetReadFileExA.lpBuffersOut = buffers;
2179 
2180         INTERNET_AsyncCall(&workRequest);
2181 
2182         return ERROR_IO_PENDING;
2183     }
2184 
2185     res = HTTPREQ_Read(req, buffers->lpvBuffer, buffers->dwBufferLength, &buffers->dwBufferLength,
2186             !(flags & IRF_NO_WAIT));
2187 
2188 done:
2189     if (res == ERROR_SUCCESS) {
2190         DWORD size = buffers->dwBufferLength;
2191         INTERNET_SendCallback(&req->hdr, req->hdr.dwContext, INTERNET_STATUS_RESPONSE_RECEIVED,
2192                 &size, sizeof(size));
2193     }
2194 
2195     return res;
2196 }
2197 
2198 static void HTTPREQ_AsyncReadFileExWProc(WORKREQUEST *workRequest)
2199 {
2200     struct WORKREQ_INTERNETREADFILEEXW const *data = &workRequest->u.InternetReadFileExW;
2201     WININETHTTPREQW *req = (WININETHTTPREQW*)workRequest->hdr;
2202     INTERNET_ASYNC_RESULT iar;
2203     DWORD res;
2204 
2205     TRACE("INTERNETREADFILEEXW %p\n", workRequest->hdr);
2206 
2207     res = HTTPREQ_Read(req, data->lpBuffersOut->lpvBuffer,
2208             data->lpBuffersOut->dwBufferLength, &data->lpBuffersOut->dwBufferLength, TRUE);
2209 
2210     iar.dwResult = res == ERROR_SUCCESS;
2211     iar.dwError = res;
2212 
2213     INTERNET_SendCallback(&req->hdr, req->hdr.dwContext,
2214                           INTERNET_STATUS_REQUEST_COMPLETE, &iar,
2215                           sizeof(INTERNET_ASYNC_RESULT));
2216 }
2217 
2218 static DWORD HTTPREQ_ReadFileExW(WININETHANDLEHEADER *hdr, INTERNET_BUFFERSW *buffers,
2219         DWORD flags, DWORD_PTR context)
2220 {
2221 
2222     WININETHTTPREQW *req = (WININETHTTPREQW*)hdr;
2223     DWORD res;
2224 
2225     if (flags & ~(IRF_ASYNC|IRF_NO_WAIT))
2226         FIXME("these dwFlags aren't implemented: 0x%x\n", flags & ~(IRF_ASYNC|IRF_NO_WAIT));
2227 
2228     if (buffers->dwStructSize != sizeof(*buffers))
2229         return ERROR_INVALID_PARAMETER;
2230 
2231     INTERNET_SendCallback(&req->hdr, req->hdr.dwContext, INTERNET_STATUS_RECEIVING_RESPONSE, NULL, 0);
2232 
2233     if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
2234     {
2235         WORKREQUEST workRequest;
2236 
2237         if (TryEnterCriticalSection( &req->read_section ))
2238         {
2239             if (get_avail_data(req))
2240             {
2241                 res = HTTPREQ_Read(req, buffers->lpvBuffer, buffers->dwBufferLength,
2242                                    &buffers->dwBufferLength, FALSE);
2243                 LeaveCriticalSection( &req->read_section );
2244                 goto done;
2245             }
2246             LeaveCriticalSection( &req->read_section );
2247         }
2248 
2249         workRequest.asyncproc = HTTPREQ_AsyncReadFileExWProc;
2250         workRequest.hdr = WININET_AddRef(&req->hdr);
2251         workRequest.u.InternetReadFileExW.lpBuffersOut = buffers;
2252 
2253         INTERNET_AsyncCall(&workRequest);
2254 
2255         return ERROR_IO_PENDING;
2256     }
2257 
2258     res = HTTPREQ_Read(req, buffers->lpvBuffer, buffers->dwBufferLength, &buffers->dwBufferLength,
2259             !(flags & IRF_NO_WAIT));
2260 
2261 done:
2262     if (res == ERROR_SUCCESS) {
2263         DWORD size = buffers->dwBufferLength;
2264         INTERNET_SendCallback(&req->hdr, req->hdr.dwContext, INTERNET_STATUS_RESPONSE_RECEIVED,
2265                 &size, sizeof(size));
2266     }
2267 
2268     return res;
2269 }
2270 
2271 static BOOL HTTPREQ_WriteFile(WININETHANDLEHEADER *hdr, const void *buffer, DWORD size, DWORD *written)
2272 {
2273     BOOL ret;
2274     LPWININETHTTPREQW lpwhr = (LPWININETHTTPREQW)hdr;
2275 
2276     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext, INTERNET_STATUS_SENDING_REQUEST, NULL, 0);
2277 
2278     *written = 0;
2279     if ((ret = NETCON_send(&lpwhr->netConnection, buffer, size, 0, (LPINT)written)))
2280         lpwhr->dwBytesWritten += *written;
2281 
2282     INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext, INTERNET_STATUS_REQUEST_SENT, written, sizeof(DWORD));
2283     return ret;
2284 }
2285 
2286 static void HTTPREQ_AsyncQueryDataAvailableProc(WORKREQUEST *workRequest)
2287 {
2288     WININETHTTPREQW *req = (WININETHTTPREQW*)workRequest->hdr;
2289 
2290     HTTP_ReceiveRequestData(req, FALSE);
2291 }
2292 
2293 static DWORD HTTPREQ_QueryDataAvailable(WININETHANDLEHEADER *hdr, DWORD *available, DWORD flags, DWORD_PTR ctx)
2294 {
2295     WININETHTTPREQW *req = (WININETHTTPREQW*)hdr;
2296 
2297     TRACE("(%p %p %x %lx)\n", req, available, flags, ctx);
2298 
2299     if (req->lpHttpSession->lpAppInfo->hdr.dwFlags & INTERNET_FLAG_ASYNC)
2300     {
2301         WORKREQUEST workRequest;
2302 
2303         /* never wait, if we can't enter the section we queue an async request right away */
2304         if (TryEnterCriticalSection( &req->read_section ))
2305         {
2306             if ((*available = get_avail_data( req ))) goto done;
2307             if (end_of_read_data( req )) goto done;
2308             LeaveCriticalSection( &req->read_section );
2309         }
2310 
2311         workRequest.asyncproc = HTTPREQ_AsyncQueryDataAvailableProc;
2312         workRequest.hdr = WININET_AddRef( &req->hdr );
2313 
2314         INTERNET_AsyncCall(&workRequest);
2315 
2316         return ERROR_IO_PENDING;
2317     }
2318 
2319     EnterCriticalSection( &req->read_section );
2320 
2321     if (!(*available = get_avail_data( req )) && !end_of_read_data( req ))
2322     {
2323         refill_buffer( req );
2324         *available = get_avail_data( req );
2325     }
2326 
2327 done:
2328     if (*available == sizeof(req->read_buf) && !req->gzip_stream)  /* check if we have even more pending in the socket */
2329     {
2330         DWORD extra;
2331         if (NETCON_query_data_available(&req->netConnection, &extra))
2332             *available = min( *available + extra, req->dwContentLength - req->dwContentRead );
2333     }
2334     LeaveCriticalSection( &req->read_section );
2335 
2336     TRACE( "returning %u\n", *available );
2337     return ERROR_SUCCESS;
2338 }
2339 
2340 static const HANDLEHEADERVtbl HTTPREQVtbl = {
2341     HTTPREQ_Destroy,
2342     HTTPREQ_CloseConnection,
2343     HTTPREQ_QueryOption,
2344     HTTPREQ_SetOption,
2345     HTTPREQ_ReadFile,
2346     HTTPREQ_ReadFileExA,
2347     HTTPREQ_ReadFileExW,
2348     HTTPREQ_WriteFile,
2349     HTTPREQ_QueryDataAvailable,
2350     NULL
2351 };
2352 
2353 /***********************************************************************
2354  *           HTTP_HttpOpenRequestW (internal)
2355  *
2356  * Open a HTTP request handle
2357  *
2358  * RETURNS
2359  *    HINTERNET  a HTTP request handle on success
2360  *    NULL       on failure
2361  *
2362  */
2363 HINTERNET WINAPI HTTP_HttpOpenRequestW(LPWININETHTTPSESSIONW lpwhs,
2364         LPCWSTR lpszVerb, LPCWSTR lpszObjectName, LPCWSTR lpszVersion,
2365         LPCWSTR lpszReferrer , LPCWSTR *lpszAcceptTypes,
2366         DWORD dwFlags, DWORD_PTR dwContext)
2367 {
2368     LPWININETAPPINFOW hIC = NULL;
2369     LPWININETHTTPREQW lpwhr;
2370     LPWSTR lpszHostName = NULL;
2371     HINTERNET handle = NULL;
2372     static const WCHAR szHostForm[] = {'%','s',':','%','u',0};
2373     DWORD len;
2374 
2375     TRACE("-->\n");
2376 
2377     assert( lpwhs->hdr.htype == WH_HHTTPSESSION );
2378     hIC = lpwhs->lpAppInfo;
2379 
2380     lpwhr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WININETHTTPREQW));
2381     if (NULL == lpwhr)
2382     {
2383         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
2384         goto lend;
2385     }
2386     lpwhr->hdr.htype = WH_HHTTPREQ;
2387     lpwhr->hdr.vtbl = &HTTPREQVtbl;
2388     lpwhr->hdr.dwFlags = dwFlags;
2389     lpwhr->hdr.dwContext = dwContext;
2390     lpwhr->hdr.refs = 1;
2391     lpwhr->hdr.lpfnStatusCB = lpwhs->hdr.lpfnStatusCB;
2392     lpwhr->hdr.dwInternalFlags = lpwhs->hdr.dwInternalFlags & INET_CALLBACKW;
2393     lpwhr->dwContentLength = ~0u;
2394     InitializeCriticalSection( &lpwhr->read_section );
2395 
2396     WININET_AddRef( &lpwhs->hdr );
2397     lpwhr->lpHttpSession = lpwhs;
2398     list_add_head( &lpwhs->hdr.children, &lpwhr->hdr.entry );
2399 
2400     lpszHostName = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) *
2401             (strlenW(lpwhs->lpszHostName) + 7 /* length of ":65535" + 1 */));
2402     if (NULL == lpszHostName)
2403     {
2404         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
2405         goto lend;
2406     }
2407 
2408     handle = WININET_AllocHandle( &lpwhr->hdr );
2409     if (NULL == handle)
2410     {
2411         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
2412         goto lend;
2413     }
2414 
2415     if (!NETCON_init(&lpwhr->netConnection, dwFlags & INTERNET_FLAG_SECURE))
2416     {
2417         InternetCloseHandle( handle );
2418         handle = NULL;
2419         goto lend;
2420     }
2421 
2422     if (lpszObjectName && *lpszObjectName) {
2423         HRESULT rc;
2424 
2425         len = 0;
2426         rc = UrlEscapeW(lpszObjectName, NULL, &len, URL_ESCAPE_SPACES_ONLY);
2427         if (rc != E_POINTER)
2428             len = strlenW(lpszObjectName)+1;
2429         lpwhr->lpszPath = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
2430         rc = UrlEscapeW(lpszObjectName, lpwhr->lpszPath, &len,
2431                    URL_ESCAPE_SPACES_ONLY);
2432         if (rc != S_OK)
2433         {
2434             ERR("Unable to escape string!(%s) (%d)\n",debugstr_w(lpszObjectName),rc);
2435             strcpyW(lpwhr->lpszPath,lpszObjectName);
2436         }
2437     }else {
2438         static const WCHAR slashW[] = {'/',0};
2439 
2440         lpwhr->lpszPath = WININET_strdupW(slashW);
2441     }
2442 
2443     if (lpszReferrer && *lpszReferrer)
2444         HTTP_ProcessHeader(lpwhr, HTTP_REFERER, lpszReferrer, HTTP_ADDREQ_FLAG_ADD | HTTP_ADDHDR_FLAG_REQ);
2445 
2446     if (lpszAcceptTypes)
2447     {
2448         int i;
2449         for (i = 0; lpszAcceptTypes[i]; i++)
2450         {
2451             if (!*lpszAcceptTypes[i]) continue;
2452             HTTP_ProcessHeader(lpwhr, HTTP_ACCEPT, lpszAcceptTypes[i],
2453                                HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA |
2454                                HTTP_ADDHDR_FLAG_REQ |
2455                                (i == 0 ? HTTP_ADDHDR_FLAG_REPLACE : 0));
2456         }
2457     }
2458 
2459     lpwhr->lpszVerb = WININET_strdupW(lpszVerb && *lpszVerb ? lpszVerb : szGET);
2460 
2461     if (lpszVersion)
2462         lpwhr->lpszVersion = WININET_strdupW(lpszVersion);
2463     else
2464         lpwhr->lpszVersion = WININET_strdupW(g_szHttp1_1);
2465 
2466     if (lpwhs->nHostPort != INTERNET_INVALID_PORT_NUMBER &&
2467         lpwhs->nHostPort != INTERNET_DEFAULT_HTTP_PORT &&
2468         lpwhs->nHostPort != INTERNET_DEFAULT_HTTPS_PORT)
2469     {
2470         sprintfW(lpszHostName, szHostForm, lpwhs->lpszHostName, lpwhs->nHostPort);
2471         HTTP_ProcessHeader(lpwhr, hostW, lpszHostName,
2472                 HTTP_ADDREQ_FLAG_ADD | HTTP_ADDHDR_FLAG_REQ);
2473     }
2474     else
2475         HTTP_ProcessHeader(lpwhr, hostW, lpwhs->lpszHostName,
2476                 HTTP_ADDREQ_FLAG_ADD | HTTP_ADDHDR_FLAG_REQ);
2477 
2478     if (lpwhs->nServerPort == INTERNET_INVALID_PORT_NUMBER)
2479         lpwhs->nServerPort = (dwFlags & INTERNET_FLAG_SECURE ?
2480                         INTERNET_DEFAULT_HTTPS_PORT :
2481                         INTERNET_DEFAULT_HTTP_PORT);
2482 
2483     if (lpwhs->nHostPort == INTERNET_INVALID_PORT_NUMBER)
2484         lpwhs->nHostPort = (dwFlags & INTERNET_FLAG_SECURE ?
2485                         INTERNET_DEFAULT_HTTPS_PORT :
2486                         INTERNET_DEFAULT_HTTP_PORT);
2487 
2488     if (NULL != hIC->lpszProxy && hIC->lpszProxy[0] != 0)
2489         HTTP_DealWithProxy( hIC, lpwhs, lpwhr );
2490 
2491     INTERNET_SendCallback(&lpwhs->hdr, dwContext,
2492                           INTERNET_STATUS_HANDLE_CREATED, &handle,
2493                           sizeof(handle));
2494 
2495 lend:
2496     HeapFree(GetProcessHeap(), 0, lpszHostName);
2497     if( lpwhr )
2498         WININET_Release( &lpwhr->hdr );
2499 
2500     TRACE("<-- %p (%p)\n", handle, lpwhr);
2501     return handle;
2502 }
2503 
2504 /* read any content returned by the server so that the connection can be
2505  * reused */
2506 static void HTTP_DrainContent(WININETHTTPREQW *req)
2507 {
2508     DWORD bytes_read;
2509 
2510     if (!NETCON_connected(&req->netConnection)) return;
2511 
2512     if (req->dwContentLength == -1)
2513     {
2514         NETCON_close(&req->netConnection);
2515         return;
2516     }
2517 
2518     do
2519     {
2520         char buffer[2048];
2521         if (HTTPREQ_Read(req, buffer, sizeof(buffer), &bytes_read, TRUE) != ERROR_SUCCESS)
2522             return;
2523     } while (bytes_read);
2524 }
2525 
2526 static const LPCWSTR header_lookup[] = {
2527     szMime_Version,             /* HTTP_QUERY_MIME_VERSION = 0 */
2528     szContent_Type,             /* HTTP_QUERY_CONTENT_TYPE = 1 */
2529     szContent_Transfer_Encoding,/* HTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */
2530     szContent_ID,               /* HTTP_QUERY_CONTENT_ID = 3 */
2531     NULL,                       /* HTTP_QUERY_CONTENT_DESCRIPTION = 4 */
2532     szContent_Length,           /* HTTP_QUERY_CONTENT_LENGTH =  5 */
2533     szContent_Language,         /* HTTP_QUERY_CONTENT_LANGUAGE =  6 */
2534     szAllow,                    /* HTTP_QUERY_ALLOW = 7 */
2535     szPublic,                   /* HTTP_QUERY_PUBLIC = 8 */
2536     szDate,                     /* HTTP_QUERY_DATE = 9 */
2537     szExpires,                  /* HTTP_QUERY_EXPIRES = 10 */
2538     szLast_Modified,            /* HTTP_QUERY_LAST_MODIFIED = 11 */
2539     NULL,                       /* HTTP_QUERY_MESSAGE_ID = 12 */
2540     szURI,                      /* HTTP_QUERY_URI = 13 */
2541     szFrom,                     /* HTTP_QUERY_DERIVED_FROM = 14 */
2542     NULL,                       /* HTTP_QUERY_COST = 15 */
2543     NULL,                       /* HTTP_QUERY_LINK = 16 */
2544     szPragma,                   /* HTTP_QUERY_PRAGMA = 17 */
2545     NULL,                       /* HTTP_QUERY_VERSION = 18 */
2546     szStatus,                   /* HTTP_QUERY_STATUS_CODE = 19 */
2547     NULL,                       /* HTTP_QUERY_STATUS_TEXT = 20 */
2548     NULL,                       /* HTTP_QUERY_RAW_HEADERS = 21 */
2549     NULL,                       /* HTTP_QUERY_RAW_HEADERS_CRLF = 22 */
2550     szConnection,               /* HTTP_QUERY_CONNECTION = 23 */
2551     szAccept,                   /* HTTP_QUERY_ACCEPT = 24 */
2552     szAccept_Charset,           /* HTTP_QUERY_ACCEPT_CHARSET = 25 */
2553     szAccept_Encoding,          /* HTTP_QUERY_ACCEPT_ENCODING = 26 */
2554     szAccept_Language,          /* HTTP_QUERY_ACCEPT_LANGUAGE = 27 */
2555     szAuthorization,            /* HTTP_QUERY_AUTHORIZATION = 28 */
2556     szContent_Encoding,         /* HTTP_QUERY_CONTENT_ENCODING = 29 */
2557     NULL,                       /* HTTP_QUERY_FORWARDED = 30 */
2558     NULL,                       /* HTTP_QUERY_FROM = 31 */
2559     szIf_Modified_Since,        /* HTTP_QUERY_IF_MODIFIED_SINCE = 32 */
2560     szLocation,                 /* HTTP_QUERY_LOCATION = 33 */
2561     NULL,                       /* HTTP_QUERY_ORIG_URI = 34 */
2562     szReferer,                  /* HTTP_QUERY_REFERER = 35 */
2563     szRetry_After,              /* HTTP_QUERY_RETRY_AFTER = 36 */
2564     szServer,                   /* HTTP_QUERY_SERVER = 37 */
2565     NULL,                       /* HTTP_TITLE = 38 */
2566     szUser_Agent,               /* HTTP_QUERY_USER_AGENT = 39 */
2567     szWWW_Authenticate,         /* HTTP_QUERY_WWW_AUTHENTICATE = 40 */
2568     szProxy_Authenticate,       /* HTTP_QUERY_PROXY_AUTHENTICATE = 41 */
2569     szAccept_Ranges,            /* HTTP_QUERY_ACCEPT_RANGES = 42 */
2570     szSet_Cookie,               /* HTTP_QUERY_SET_COOKIE = 43 */
2571     szCookie,                   /* HTTP_QUERY_COOKIE = 44 */
2572     NULL,                       /* HTTP_QUERY_REQUEST_METHOD = 45 */
2573     NULL,                       /* HTTP_QUERY_REFRESH = 46 */
2574     NULL,                       /* HTTP_QUERY_CONTENT_DISPOSITION = 47 */
2575     szAge,                      /* HTTP_QUERY_AGE = 48 */
2576     szCache_Control,            /* HTTP_QUERY_CACHE_CONTROL = 49 */
2577     szContent_Base,             /* HTTP_QUERY_CONTENT_BASE = 50 */
2578     szContent_Location,         /* HTTP_QUERY_CONTENT_LOCATION = 51 */
2579     szContent_MD5,              /* HTTP_QUERY_CONTENT_MD5 = 52 */
2580     szContent_Range,            /* HTTP_QUERY_CONTENT_RANGE = 53 */
2581     szETag,                     /* HTTP_QUERY_ETAG = 54 */
2582     hostW,                      /* HTTP_QUERY_HOST = 55 */
2583     szIf_Match,                 /* HTTP_QUERY_IF_MATCH = 56 */
2584     szIf_None_Match,            /* HTTP_QUERY_IF_NONE_MATCH = 57 */
2585     szIf_Range,                 /* HTTP_QUERY_IF_RANGE = 58 */
2586     szIf_Unmodified_Since,      /* HTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */
2587     szMax_Forwards,             /* HTTP_QUERY_MAX_FORWARDS = 60 */
2588     szProxy_Authorization,      /* HTTP_QUERY_PROXY_AUTHORIZATION = 61 */
2589     szRange,                    /* HTTP_QUERY_RANGE = 62 */
2590     szTransfer_Encoding,        /* HTTP_QUERY_TRANSFER_ENCODING = 63 */
2591     szUpgrade,                  /* HTTP_QUERY_UPGRADE = 64 */
2592     szVary,                     /* HTTP_QUERY_VARY = 65 */
2593     szVia,                      /* HTTP_QUERY_VIA = 66 */
2594     szWarning,                  /* HTTP_QUERY_WARNING = 67 */
2595     szExpect,                   /* HTTP_QUERY_EXPECT = 68 */
2596     szProxy_Connection,         /* HTTP_QUERY_PROXY_CONNECTION = 69 */
2597     szUnless_Modified_Since,    /* HTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */
2598 };
2599 
2600 #define LAST_TABLE_HEADER (sizeof(header_lookup)/sizeof(header_lookup[0]))
2601 
2602 /***********************************************************************
2603  *           HTTP_HttpQueryInfoW (internal)
2604  */
2605 static BOOL HTTP_HttpQueryInfoW( LPWININETHTTPREQW lpwhr, DWORD dwInfoLevel,
2606         LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
2607 {
2608     LPHTTPHEADERW lphttpHdr = NULL;
2609     BOOL bSuccess = FALSE;
2610     BOOL request_only = dwInfoLevel & HTTP_QUERY_FLAG_REQUEST_HEADERS;
2611     INT requested_index = lpdwIndex ? *lpdwIndex : 0;
2612     DWORD level = (dwInfoLevel & ~HTTP_QUERY_MODIFIER_FLAGS_MASK);
2613     INT index = -1;
2614 
2615     /* Find requested header structure */
2616     switch (level)
2617     {
2618     case HTTP_QUERY_CUSTOM:
2619         if (!lpBuffer) return FALSE;
2620         index = HTTP_GetCustomHeaderIndex(lpwhr, lpBuffer, requested_index, request_only);
2621         break;
2622 
2623     case HTTP_QUERY_CONTENT_LENGTH:
2624         if(lpwhr->gzip_stream) {
2625             INTERNET_SetLastError(ERROR_HTTP_HEADER_NOT_FOUND);
2626             return FALSE;
2627         }
2628 
2629         index = HTTP_GetCustomHeaderIndex(lpwhr, header_lookup[level],
2630                                           requested_index,request_only);
2631         break;
2632 
2633     case HTTP_QUERY_RAW_HEADERS_CRLF:
2634         {
2635             LPWSTR headers;
2636             DWORD len = 0;
2637             BOOL ret = FALSE;
2638 
2639             if (request_only)
2640                 headers = HTTP_BuildHeaderRequestString(lpwhr, lpwhr->lpszVerb, lpwhr->lpszPath, lpwhr->lpszVersion);
2641             else
2642                 headers = lpwhr->lpszRawHeaders;
2643 
2644             if (headers)
2645                 len = strlenW(headers) * sizeof(WCHAR);
2646 
2647             if (len + sizeof(WCHAR) > *lpdwBufferLength)
2648             {
2649                 len += sizeof(WCHAR);
2650                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2651                 ret = FALSE;
2652             }
2653             else if (lpBuffer)
2654             {
2655                 if (headers)
2656                     memcpy(lpBuffer, headers, len + sizeof(WCHAR));
2657                 else
2658                 {
2659                     len = strlenW(szCrLf) * sizeof(WCHAR);
2660                     memcpy(lpBuffer, szCrLf, sizeof(szCrLf));
2661                 }
2662                 TRACE("returning data: %s\n", debugstr_wn(lpBuffer, len / sizeof(WCHAR)));
2663                 ret = TRUE;
2664             }
2665             *lpdwBufferLength = len;
2666 
2667             if (request_only)
2668                 HeapFree(GetProcessHeap(), 0, headers);
2669             return ret;
2670         }
2671     case HTTP_QUERY_RAW_HEADERS:
2672         {
2673             LPWSTR * ppszRawHeaderLines = HTTP_Tokenize(lpwhr->lpszRawHeaders, szCrLf);
2674             DWORD i, size = 0;
2675             LPWSTR pszString = lpBuffer;
2676 
2677             for (i = 0; ppszRawHeaderLines[i]; i++)
2678                 size += strlenW(ppszRawHeaderLines[i]) + 1;
2679 
2680             if (size + 1 > *lpdwBufferLength/sizeof(WCHAR))
2681             {
2682                 HTTP_FreeTokens(ppszRawHeaderLines);
2683                 *lpdwBufferLength = (size + 1) * sizeof(WCHAR);
2684                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2685                 return FALSE;
2686             }
2687             if (pszString)
2688             {
2689                 for (i = 0; ppszRawHeaderLines[i]; i++)
2690                 {
2691                     DWORD len = strlenW(ppszRawHeaderLines[i]);
2692                     memcpy(pszString, ppszRawHeaderLines[i], (len+1)*sizeof(WCHAR));
2693                     pszString += len+1;
2694                 }
2695                 *pszString = '\0';
2696                 TRACE("returning data: %s\n", debugstr_wn(lpBuffer, size));
2697             }
2698             *lpdwBufferLength = size * sizeof(WCHAR);
2699             HTTP_FreeTokens(ppszRawHeaderLines);
2700 
2701             return TRUE;
2702         }
2703     case HTTP_QUERY_STATUS_TEXT:
2704         if (lpwhr->lpszStatusText)
2705         {
2706             DWORD len = strlenW(lpwhr->lpszStatusText);
2707             if (len + 1 > *lpdwBufferLength/sizeof(WCHAR))
2708             {
2709                 *lpdwBufferLength = (len + 1) * sizeof(WCHAR);
2710                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2711                 return FALSE;
2712             }
2713             if (lpBuffer)
2714             {
2715                 memcpy(lpBuffer, lpwhr->lpszStatusText, (len + 1) * sizeof(WCHAR));
2716                 TRACE("returning data: %s\n", debugstr_wn(lpBuffer, len));
2717             }
2718             *lpdwBufferLength = len * sizeof(WCHAR);
2719             return TRUE;
2720         }
2721         break;
2722     case HTTP_QUERY_VERSION:
2723         if (lpwhr->lpszVersion)
2724         {
2725             DWORD len = strlenW(lpwhr->lpszVersion);
2726             if (len + 1 > *lpdwBufferLength/sizeof(WCHAR))
2727             {
2728                 *lpdwBufferLength = (len + 1) * sizeof(WCHAR);
2729                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2730                 return FALSE;
2731             }
2732             if (lpBuffer)
2733             {
2734                 memcpy(lpBuffer, lpwhr->lpszVersion, (len + 1) * sizeof(WCHAR));
2735                 TRACE("returning data: %s\n", debugstr_wn(lpBuffer, len));
2736             }
2737             *lpdwBufferLength = len * sizeof(WCHAR);
2738             return TRUE;
2739         }
2740         break;
2741     case HTTP_QUERY_CONTENT_ENCODING:
2742         index = HTTP_GetCustomHeaderIndex(lpwhr, header_lookup[lpwhr->gzip_stream ? HTTP_QUERY_CONTENT_TYPE : level],
2743                 requested_index,request_only);
2744         break;
2745     default:
2746         assert (LAST_TABLE_HEADER == (HTTP_QUERY_UNLESS_MODIFIED_SINCE + 1));
2747 
2748         if (level < LAST_TABLE_HEADER && header_lookup[level])
2749             index = HTTP_GetCustomHeaderIndex(lpwhr, header_lookup[level],
2750                                               requested_index,request_only);
2751     }
2752 
2753     if (index >= 0)
2754         lphttpHdr = &lpwhr->pCustHeaders[index];
2755 
2756     /* Ensure header satisfies requested attributes */
2757     if (!lphttpHdr ||
2758         ((dwInfoLevel & HTTP_QUERY_FLAG_REQUEST_HEADERS) &&
2759          (~lphttpHdr->wFlags & HDR_ISREQUEST)))
2760     {
2761         INTERNET_SetLastError(ERROR_HTTP_HEADER_NOT_FOUND);
2762         return bSuccess;
2763     }
2764 
2765     if (lpdwIndex && level != HTTP_QUERY_STATUS_CODE) (*lpdwIndex)++;
2766 
2767     /* coalesce value to requested type */
2768     if (dwInfoLevel & HTTP_QUERY_FLAG_NUMBER && lpBuffer)
2769     {
2770         *(int *)lpBuffer = atoiW(lphttpHdr->lpszValue);
2771         TRACE(" returning number: %d\n", *(int *)lpBuffer);
2772         bSuccess = TRUE;
2773     }
2774     else if (dwInfoLevel & HTTP_QUERY_FLAG_SYSTEMTIME && lpBuffer)
2775     {
2776         time_t tmpTime;
2777         struct tm tmpTM;
2778         SYSTEMTIME *STHook;
2779 
2780         tmpTime = ConvertTimeString(lphttpHdr->lpszValue);
2781 
2782         tmpTM = *gmtime(&tmpTime);
2783         STHook = (SYSTEMTIME *)lpBuffer;
2784         STHook->wDay = tmpTM.tm_mday;
2785         STHook->wHour = tmpTM.tm_hour;
2786         STHook->wMilliseconds = 0;
2787         STHook->wMinute = tmpTM.tm_min;
2788         STHook->wDayOfWeek = tmpTM.tm_wday;
2789         STHook->wMonth = tmpTM.tm_mon + 1;
2790         STHook->wSecond = tmpTM.tm_sec;
2791         STHook->wYear = tmpTM.tm_year;
2792         bSuccess = TRUE;
2793         
2794         TRACE(" returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n",
2795               STHook->wYear, STHook->wMonth, STHook->wDay, STHook->wDayOfWeek,
2796               STHook->wHour, STHook->wMinute, STHook->wSecond, STHook->wMilliseconds);
2797     }
2798     else if (lphttpHdr->lpszValue)
2799     {
2800         DWORD len = (strlenW(lphttpHdr->lpszValue) + 1) * sizeof(WCHAR);
2801 
2802         if (len > *lpdwBufferLength)
2803         {
2804             *lpdwBufferLength = len;
2805             INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2806             return bSuccess;
2807         }
2808         if (lpBuffer)
2809         {
2810             memcpy(lpBuffer, lphttpHdr->lpszValue, len);
2811             TRACE(" returning string: %s\n", debugstr_w(lpBuffer));
2812         }
2813         *lpdwBufferLength = len - sizeof(WCHAR);
2814         bSuccess = TRUE;
2815     }
2816     return bSuccess;
2817 }
2818 
2819 /***********************************************************************
2820  *           HttpQueryInfoW (WININET.@)
2821  *
2822  * Queries for information about an HTTP request
2823  *
2824  * RETURNS
2825  *    TRUE  on success
2826  *    FALSE on failure
2827  *
2828  */
2829 BOOL WINAPI HttpQueryInfoW(HINTERNET hHttpRequest, DWORD dwInfoLevel,
2830         LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
2831 {
2832     BOOL bSuccess = FALSE;
2833     LPWININETHTTPREQW lpwhr;
2834 
2835     if (TRACE_ON(wininet)) {
2836 #define FE(x) { x, #x }
2837         static const wininet_flag_info query_flags[] = {
2838             FE(HTTP_QUERY_MIME_VERSION),
2839             FE(HTTP_QUERY_CONTENT_TYPE),
2840             FE(HTTP_QUERY_CONTENT_TRANSFER_ENCODING),
2841             FE(HTTP_QUERY_CONTENT_ID),
2842             FE(HTTP_QUERY_CONTENT_DESCRIPTION),
2843             FE(HTTP_QUERY_CONTENT_LENGTH),
2844             FE(HTTP_QUERY_CONTENT_LANGUAGE),
2845             FE(HTTP_QUERY_ALLOW),
2846             FE(HTTP_QUERY_PUBLIC),
2847             FE(HTTP_QUERY_DATE),
2848             FE(HTTP_QUERY_EXPIRES),
2849             FE(HTTP_QUERY_LAST_MODIFIED),
2850             FE(HTTP_QUERY_MESSAGE_ID),
2851             FE(HTTP_QUERY_URI),
2852             FE(HTTP_QUERY_DERIVED_FROM),
2853             FE(HTTP_QUERY_COST),
2854             FE(HTTP_QUERY_LINK),
2855             FE(HTTP_QUERY_PRAGMA),
2856             FE(HTTP_QUERY_VERSION),
2857             FE(HTTP_QUERY_STATUS_CODE),
2858             FE(HTTP_QUERY_STATUS_TEXT),
2859             FE(HTTP_QUERY_RAW_HEADERS),
2860             FE(HTTP_QUERY_RAW_HEADERS_CRLF),
2861             FE(HTTP_QUERY_CONNECTION),
2862             FE(HTTP_QUERY_ACCEPT),
2863             FE(HTTP_QUERY_ACCEPT_CHARSET),
2864             FE(HTTP_QUERY_ACCEPT_ENCODING),
2865             FE(HTTP_QUERY_ACCEPT_LANGUAGE),
2866             FE(HTTP_QUERY_AUTHORIZATION),
2867             FE(HTTP_QUERY_CONTENT_ENCODING),
2868             FE(HTTP_QUERY_FORWARDED),
2869             FE(HTTP_QUERY_FROM),
2870             FE(HTTP_QUERY_IF_MODIFIED_SINCE),
2871             FE(HTTP_QUERY_LOCATION),
2872             FE(HTTP_QUERY_ORIG_URI),
2873             FE(HTTP_QUERY_REFERER),
2874             FE(HTTP_QUERY_RETRY_AFTER),
2875             FE(HTTP_QUERY_SERVER),
2876             FE(HTTP_QUERY_TITLE),
2877             FE(HTTP_QUERY_USER_AGENT),
2878             FE(HTTP_QUERY_WWW_AUTHENTICATE),
2879             FE(HTTP_QUERY_PROXY_AUTHENTICATE),
2880             FE(HTTP_QUERY_ACCEPT_RANGES),
2881         FE(HTTP_QUERY_SET_COOKIE),
2882         FE(HTTP_QUERY_COOKIE),
2883             FE(HTTP_QUERY_REQUEST_METHOD),
2884             FE(HTTP_QUERY_REFRESH),
2885             FE(HTTP_QUERY_CONTENT_DISPOSITION),
2886             FE(HTTP_QUERY_AGE),
2887             FE(HTTP_QUERY_CACHE_CONTROL),
2888             FE(HTTP_QUERY_CONTENT_BASE),
2889             FE(HTTP_QUERY_CONTENT_LOCATION),
2890             FE(HTTP_QUERY_CONTENT_MD5),
2891             FE(HTTP_QUERY_CONTENT_RANGE),
2892             FE(HTTP_QUERY_ETAG),
2893             FE(HTTP_QUERY_HOST),
2894             FE(HTTP_QUERY_IF_MATCH),
2895             FE(HTTP_QUERY_IF_NONE_MATCH),
2896             FE(HTTP_QUERY_IF_RANGE),
2897             FE(HTTP_QUERY_IF_UNMODIFIED_SINCE),
2898             FE(HTTP_QUERY_MAX_FORWARDS),
2899             FE(HTTP_QUERY_PROXY_AUTHORIZATION),
2900             FE(HTTP_QUERY_RANGE),
2901             FE(HTTP_QUERY_TRANSFER_ENCODING),
2902             FE(HTTP_QUERY_UPGRADE),
2903             FE(HTTP_QUERY_VARY),
2904             FE(HTTP_QUERY_VIA),
2905             FE(HTTP_QUERY_WARNING),
2906             FE(HTTP_QUERY_CUSTOM)
2907         };
2908         static const wininet_flag_info modifier_flags[] = {
2909             FE(HTTP_QUERY_FLAG_REQUEST_HEADERS),
2910             FE(HTTP_QUERY_FLAG_SYSTEMTIME),
2911             FE(HTTP_QUERY_FLAG_NUMBER),
2912             FE(HTTP_QUERY_FLAG_COALESCE)
2913         };
2914 #undef FE
2915         DWORD info_mod = dwInfoLevel & HTTP_QUERY_MODIFIER_FLAGS_MASK;
2916         DWORD info = dwInfoLevel & HTTP_QUERY_HEADER_MASK;
2917         DWORD i;
2918 
2919         TRACE("(%p, 0x%08x)--> %d\n", hHttpRequest, dwInfoLevel, dwInfoLevel);
2920         TRACE("  Attribute:");
2921         for (i = 0; i < (sizeof(query_flags) / sizeof(query_flags[0])); i++) {
2922             if (query_flags[i].val == info) {
2923                 TRACE(" %s", query_flags[i].name);
2924                 break;
2925             }
2926         }
2927         if (i == (sizeof(query_flags) / sizeof(query_flags[0]))) {
2928             TRACE(" Unknown (%08x)", info);
2929         }
2930 
2931         TRACE(" Modifier:");
2932         for (i = 0; i < (sizeof(modifier_flags) / sizeof(modifier_flags[0])); i++) {
2933             if (modifier_flags[i].val & info_mod) {
2934                 TRACE(" %s", modifier_flags[i].name);
2935                 info_mod &= ~ modifier_flags[i].val;
2936             }
2937         }
2938         
2939         if (info_mod) {
2940             TRACE(" Unknown (%08x)", info_mod);
2941         }
2942         TRACE("\n");
2943     }
2944     
2945     lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hHttpRequest );
2946     if (NULL == lpwhr ||  lpwhr->hdr.htype != WH_HHTTPREQ)
2947     {
2948         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
2949         goto lend;
2950     }
2951 
2952     if (lpBuffer == NULL)
2953         *lpdwBufferLength = 0;
2954     bSuccess = HTTP_HttpQueryInfoW( lpwhr, dwInfoLevel,
2955                                     lpBuffer, lpdwBufferLength, lpdwIndex);
2956 
2957 lend:
2958     if( lpwhr )
2959          WININET_Release( &lpwhr->hdr );
2960 
2961     TRACE("%d <--\n", bSuccess);
2962     return bSuccess;
2963 }
2964 
2965 /***********************************************************************
2966  *           HttpQueryInfoA (WININET.@)
2967  *
2968  * Queries for information about an HTTP request
2969  *
2970  * RETURNS
2971  *    TRUE  on success
2972  *    FALSE on failure
2973  *
2974  */
2975 BOOL WINAPI HttpQueryInfoA(HINTERNET hHttpRequest, DWORD dwInfoLevel,
2976         LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
2977 {
2978     BOOL result;
2979     DWORD len;
2980     WCHAR* bufferW;
2981 
2982     if((dwInfoLevel & HTTP_QUERY_FLAG_NUMBER) ||
2983        (dwInfoLevel & HTTP_QUERY_FLAG_SYSTEMTIME))
2984     {
2985         return HttpQueryInfoW( hHttpRequest, dwInfoLevel, lpBuffer,
2986                                lpdwBufferLength, lpdwIndex );
2987     }
2988 
2989     if (lpBuffer)
2990     {
2991         DWORD alloclen;
2992         len = (*lpdwBufferLength)*sizeof(WCHAR);
2993         if ((dwInfoLevel & HTTP_QUERY_HEADER_MASK) == HTTP_QUERY_CUSTOM)
2994         {
2995             alloclen = MultiByteToWideChar( CP_ACP, 0, lpBuffer, -1, NULL, 0 ) * sizeof(WCHAR);
2996             if (alloclen < len)
2997                 alloclen = len;
2998         }
2999         else
3000             alloclen = len;
3001         bufferW = HeapAlloc( GetProcessHeap(), 0, alloclen );
3002         /* buffer is in/out because of HTTP_QUERY_CUSTOM */
3003         if ((dwInfoLevel & HTTP_QUERY_HEADER_MASK) == HTTP_QUERY_CUSTOM)
3004             MultiByteToWideChar( CP_ACP, 0, lpBuffer, -1, bufferW, alloclen / sizeof(WCHAR) );
3005     } else
3006     {
3007         bufferW = NULL;
3008         len = 0;
3009     }
3010 
3011     result = HttpQueryInfoW( hHttpRequest, dwInfoLevel, bufferW,
3012                            &len, lpdwIndex );
3013     if( result )
3014     {
3015         len = WideCharToMultiByte( CP_ACP,0, bufferW, len / sizeof(WCHAR) + 1,
3016                                      lpBuffer, *lpdwBufferLength, NULL, NULL );
3017         *lpdwBufferLength = len - 1;
3018 
3019         TRACE("lpBuffer: %s\n", debugstr_a(lpBuffer));
3020     }
3021     else
3022         /* since the strings being returned from HttpQueryInfoW should be
3023          * only ASCII characters, it is reasonable to assume that all of
3024          * the Unicode characters can be reduced to a single byte */
3025         *lpdwBufferLength = len / sizeof(WCHAR);
3026 
3027     HeapFree(GetProcessHeap(), 0, bufferW );
3028 
3029     return result;
3030 }
3031 
3032 /***********************************************************************
3033  *           HttpSendRequestExA (WININET.@)
3034  *
3035  * Sends the specified request to the HTTP server and allows chunked
3036  * transfers.
3037  *
3038  * RETURNS
3039  *  Success: TRUE
3040  *  Failure: FALSE, call GetLastError() for more information.
3041  */
3042 BOOL WINAPI HttpSendRequestExA(HINTERNET hRequest,
3043                                LPINTERNET_BUFFERSA lpBuffersIn,
3044                                LPINTERNET_BUFFERSA lpBuffersOut,
3045                                DWORD dwFlags, DWORD_PTR dwContext)
3046 {
3047     INTERNET_BUFFERSW BuffersInW;
3048     BOOL rc = FALSE;
3049     DWORD headerlen;
3050     LPWSTR header = NULL;
3051 
3052     TRACE("(%p, %p, %p, %08x, %08lx)\n", hRequest, lpBuffersIn,
3053             lpBuffersOut, dwFlags, dwContext);
3054 
3055     if (lpBuffersIn)
3056     {
3057         BuffersInW.dwStructSize = sizeof(LPINTERNET_BUFFERSW);
3058         if (lpBuffersIn->lpcszHeader)
3059         {
3060             headerlen = MultiByteToWideChar(CP_ACP,0,lpBuffersIn->lpcszHeader,
3061                     lpBuffersIn->dwHeadersLength,0,0);
3062             header = HeapAlloc(GetProcessHeap(),0,headerlen*sizeof(WCHAR));
3063             if (!(BuffersInW.lpcszHeader = header))
3064             {
3065                 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
3066                 return FALSE;
3067             }
3068             BuffersInW.dwHeadersLength = MultiByteToWideChar(CP_ACP, 0,
3069                     lpBuffersIn->lpcszHeader, lpBuffersIn->dwHeadersLength,
3070                     header, headerlen);
3071         }
3072         else
3073             BuffersInW.lpcszHeader = NULL;
3074         BuffersInW.dwHeadersTotal = lpBuffersIn->dwHeadersTotal;
3075         BuffersInW.lpvBuffer = lpBuffersIn->lpvBuffer;
3076         BuffersInW.dwBufferLength = lpBuffersIn->dwBufferLength;
3077         BuffersInW.dwBufferTotal = lpBuffersIn->dwBufferTotal;
3078         BuffersInW.Next = NULL;
3079     }
3080 
3081     rc = HttpSendRequestExW(hRequest, lpBuffersIn ? &BuffersInW : NULL, NULL, dwFlags, dwContext);
3082 
3083     HeapFree(GetProcessHeap(),0,header);
3084 
3085     return rc;
3086 }
3087 
3088 /***********************************************************************
3089  *           HttpSendRequestExW (WININET.@)
3090  *
3091  * Sends the specified request to the HTTP server and allows chunked
3092  * transfers
3093  *
3094  * RETURNS
3095  *  Success: TRUE
3096  *  Failure: FALSE, call GetLastError() for more information.
3097  */
3098 BOOL WINAPI HttpSendRequestExW(HINTERNET hRequest,
3099                    LPINTERNET_BUFFERSW lpBuffersIn,
3100                    LPINTERNET_BUFFERSW lpBuffersOut,
3101                    DWORD dwFlags, DWORD_PTR dwContext)
3102 {
3103     BOOL ret = FALSE;
3104     LPWININETHTTPREQW lpwhr;
3105     LPWININETHTTPSESSIONW lpwhs;
3106     LPWININETAPPINFOW hIC;
3107 
3108     TRACE("(%p, %p, %p, %08x, %08lx)\n", hRequest, lpBuffersIn,
3109             lpBuffersOut, dwFlags, dwContext);
3110 
3111     lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hRequest );
3112 
3113     if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
3114     {
3115         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
3116         goto lend;
3117     }
3118 
3119     lpwhs = lpwhr->lpHttpSession;
3120     assert(lpwhs->hdr.htype == WH_HHTTPSESSION);
3121     hIC = lpwhs->lpAppInfo;
3122     assert(hIC->hdr.htype == WH_HINIT);
3123 
3124     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
3125     {
3126         WORKREQUEST workRequest;
3127         struct WORKREQ_HTTPSENDREQUESTW *req;
3128 
3129         workRequest.asyncproc = AsyncHttpSendRequestProc;
3130         workRequest.hdr = WININET_AddRef( &lpwhr->hdr );
3131         req = &workRequest.u.HttpSendRequestW;
3132         if (lpBuffersIn)
3133         {
3134             if (lpBuffersIn->lpcszHeader)
3135                 /* FIXME: this should use dwHeadersLength or may not be necessary at all */
3136                 req->lpszHeader = WININET_strdupW(lpBuffersIn->lpcszHeader);
3137             else
3138                 req->lpszHeader = NULL;
3139             req->dwHeaderLength = lpBuffersIn->dwHeadersLength;
3140             req->lpOptional = lpBuffersIn->lpvBuffer;
3141             req->dwOptionalLength = lpBuffersIn->dwBufferLength;
3142             req->dwContentLength = lpBuffersIn->dwBufferTotal;
3143         }
3144         else
3145         {
3146             req->lpszHeader = NULL;
3147             req->dwHeaderLength = 0;
3148             req->lpOptional = NULL;
3149             req->dwOptionalLength = 0;
3150             req->dwContentLength = 0;
3151         }
3152 
3153         req->bEndRequest = FALSE;
3154 
3155         INTERNET_AsyncCall(&workRequest);
3156         /*
3157          * This is from windows.
3158          */
3159         INTERNET_SetLastError(ERROR_IO_PENDING);
3160     }
3161     else
3162     {
3163         if (lpBuffersIn)
3164             ret = HTTP_HttpSendRequestW(lpwhr, lpBuffersIn->lpcszHeader, lpBuffersIn->dwHeadersLength,
3165                                         lpBuffersIn->lpvBuffer, lpBuffersIn->dwBufferLength,
3166                                         lpBuffersIn->dwBufferTotal, FALSE);
3167         else
3168             ret = HTTP_HttpSendRequestW(lpwhr, NULL, 0, NULL, 0, 0, FALSE);
3169     }
3170 
3171 lend:
3172     if ( lpwhr )
3173         WININET_Release( &lpwhr->hdr );
3174 
3175     TRACE("<---\n");
3176     return ret;
3177 }
3178 
3179 /***********************************************************************
3180  *           HttpSendRequestW (WININET.@)
3181  *
3182  * Sends the specified request to the HTTP server
3183  *
3184  * RETURNS
3185  *    TRUE  on success
3186  *    FALSE on failure
3187  *
3188  */
3189 BOOL WINAPI HttpSendRequestW(HINTERNET hHttpRequest, LPCWSTR lpszHeaders,
3190         DWORD dwHeaderLength, LPVOID lpOptional ,DWORD dwOptionalLength)
3191 {
3192     LPWININETHTTPREQW lpwhr;
3193     LPWININETHTTPSESSIONW lpwhs = NULL;
3194     LPWININETAPPINFOW hIC = NULL;
3195     BOOL r;
3196 
3197     TRACE("%p, %s, %i, %p, %i)\n", hHttpRequest,
3198             debugstr_wn(lpszHeaders, dwHeaderLength), dwHeaderLength, lpOptional, dwOptionalLength);
3199 
3200     lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hHttpRequest );
3201     if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
3202     {
3203         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
3204         r = FALSE;
3205         goto lend;
3206     }
3207 
3208     lpwhs = lpwhr->lpHttpSession;
3209     if (NULL == lpwhs ||  lpwhs->hdr.htype != WH_HHTTPSESSION)
3210     {
3211         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
3212         r = FALSE;
3213         goto lend;
3214     }
3215 
3216     hIC = lpwhs->lpAppInfo;
3217     if (NULL == hIC ||  hIC->hdr.htype != WH_HINIT)
3218     {
3219         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
3220         r = FALSE;
3221         goto lend;
3222     }
3223 
3224     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
3225     {
3226         WORKREQUEST workRequest;
3227         struct WORKREQ_HTTPSENDREQUESTW *req;
3228 
3229         workRequest.asyncproc = AsyncHttpSendRequestProc;
3230         workRequest.hdr = WININET_AddRef( &lpwhr->hdr );
3231         req = &workRequest.u.HttpSendRequestW;
3232         if (lpszHeaders)
3233         {
3234             DWORD size;
3235 
3236             if (dwHeaderLength == ~0u) size = (strlenW(lpszHeaders) + 1) * sizeof(WCHAR);
3237             else size = dwHeaderLength * sizeof(WCHAR);
3238 
3239             req->lpszHeader = HeapAlloc(GetProcessHeap(), 0, size);
3240             memcpy(req->lpszHeader, lpszHeaders, size);
3241         }
3242         else
3243             req->lpszHeader = 0;
3244         req->dwHeaderLength = dwHeaderLength;
3245         req->lpOptional = lpOptional;
3246         req->dwOptionalLength = dwOptionalLength;
3247         req->dwContentLength = dwOptionalLength;
3248         req->bEndRequest = TRUE;
3249 
3250         INTERNET_AsyncCall(&workRequest);
3251         /*
3252          * This is from windows.
3253          */
3254         INTERNET_SetLastError(ERROR_IO_PENDING);
3255         r = FALSE;
3256     }
3257     else
3258     {
3259         r = HTTP_HttpSendRequestW(lpwhr, lpszHeaders,
3260                 dwHeaderLength, lpOptional, dwOptionalLength,
3261                 dwOptionalLength, TRUE);
3262     }
3263 lend:
3264     if( lpwhr )
3265         WININET_Release( &lpwhr->hdr );
3266     return r;
3267 }