dlls/winhttp/session.c

   1 /*
   2  * Copyright 2008 Hans Leidekker for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21 #include "wine/debug.h"
  22
  23 #include <stdarg.h>
  24 #include <stdlib.h>
  25
  26 #ifdef HAVE_CORESERVICES_CORESERVICES_H
  27 #define GetCurrentThread MacGetCurrentThread
  28 #define LoadResource MacLoadResource
  29 #include <CoreServices/CoreServices.h>
  30 #undef GetCurrentThread
  31 #undef LoadResource
  32 #undef DPRINTF
  33 #endif
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #ifndef __MINGW32__
  38 #define USE_WS_PREFIX
  39 #endif
  40 #include "winsock2.h"
  41 #include "ws2ipdef.h"
  42 #include "winhttp.h"
  43 #include "wincrypt.h"
  44 #include "winreg.h"
  45 #define COBJMACROS
  46 #include "ole2.h"
  47 #include "dispex.h"
  48 #include "activscp.h"
  49
  50 #include "winhttp_private.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
  53
  54 #define DEFAULT_RESOLVE_TIMEOUT     0
  55 #define DEFAULT_CONNECT_TIMEOUT     20000
  56 #define DEFAULT_SEND_TIMEOUT        30000
  57 #define DEFAULT_RECEIVE_TIMEOUT     30000
  58
  59 void set_last_error( DWORD error )
  60 {
  61     /* FIXME */
  62     SetLastError( error );
  63 }
  64
  65 DWORD get_last_error( void )
  66 {
  67     /* FIXME */
  68     return GetLastError();
  69 }
  70
  71 void send_callback( object_header_t *hdr, DWORD status, LPVOID info, DWORD buflen )
  72 {
  73     if (hdr->callback && (hdr->notify_mask & status))
  74     {
  75         TRACE("%p, 0x%08x, %p, %u\n", hdr, status, info, buflen);
  76         hdr->callback( hdr->handle, hdr->context, status, info, buflen );
  77         TRACE("returning from 0x%08x callback\n", status);
  78     }
  79 }
  80
  81 /***********************************************************************
  82  *          WinHttpCheckPlatform (winhttp.@)
  83  */
  84 BOOL WINAPI WinHttpCheckPlatform( void )
  85 {
  86     TRACE("\n");
  87     return TRUE;
  88 }
  89
  90 /***********************************************************************
  91  *          session_destroy (internal)
  92  */
  93 static void session_destroy( object_header_t *hdr )
  94 {
  95     session_t *session = (session_t *)hdr;
  96     struct list *item, *next;
  97     domain_t *domain;
  98
  99     TRACE("%p\n", session);
 100
 101     LIST_FOR_EACH_SAFE( item, next, &session->cookie_cache )
 102     {
 103         domain = LIST_ENTRY( item, domain_t, entry );
 104         delete_domain( domain );
 105     }
 106     heap_free( session->agent );
 107     heap_free( session->proxy_server );
 108     heap_free( session->proxy_bypass );
 109     heap_free( session->proxy_username );
 110     heap_free( session->proxy_password );
 111     heap_free( session );
 112 }
 113
 114 static BOOL session_query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPDWORD buflen )
 115 {
 116     session_t *session = (session_t *)hdr;
 117
 118     switch (option)
 119     {
 120     case WINHTTP_OPTION_REDIRECT_POLICY:
 121     {
 122         if (!buffer || *buflen < sizeof(DWORD))
 123         {
 124             *buflen = sizeof(DWORD);
 125             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 126             return FALSE;
 127         }
 128
 129         *(DWORD *)buffer = hdr->redirect_policy;
 130         *buflen = sizeof(DWORD);
 131         return TRUE;
 132     }
 133     case WINHTTP_OPTION_RESOLVE_TIMEOUT:
 134         *(DWORD *)buffer = session->resolve_timeout;
 135         *buflen = sizeof(DWORD);
 136         return TRUE;
 137     case WINHTTP_OPTION_CONNECT_TIMEOUT:
 138         *(DWORD *)buffer = session->connect_timeout;
 139         *buflen = sizeof(DWORD);
 140         return TRUE;
 141     case WINHTTP_OPTION_SEND_TIMEOUT:
 142         *(DWORD *)buffer = session->send_timeout;
 143         *buflen = sizeof(DWORD);
 144         return TRUE;
 145     case WINHTTP_OPTION_RECEIVE_TIMEOUT:
 146         *(DWORD *)buffer = session->recv_timeout;
 147         *buflen = sizeof(DWORD);
 148         return TRUE;
 149     default:
 150         FIXME("unimplemented option %u\n", option);
 151         set_last_error( ERROR_INVALID_PARAMETER );
 152         return FALSE;
 153     }
 154 }
 155
 156 static BOOL session_set_option( object_header_t *hdr, DWORD option, LPVOID buffer, DWORD buflen )
 157 {
 158     session_t *session = (session_t *)hdr;
 159
 160     switch (option)
 161     {
 162     case WINHTTP_OPTION_PROXY:
 163     {
 164         WINHTTP_PROXY_INFO *pi = buffer;
 165
 166         FIXME("%u %s %s\n", pi->dwAccessType, debugstr_w(pi->lpszProxy), debugstr_w(pi->lpszProxyBypass));
 167         return TRUE;
 168     }
 169     case WINHTTP_OPTION_REDIRECT_POLICY:
 170     {
 171         DWORD policy;
 172
 173         if (buflen != sizeof(policy))
 174         {
 175             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 176             return FALSE;
 177         }
 178
 179         policy = *(DWORD *)buffer;
 180         TRACE("0x%x\n", policy);
 181         hdr->redirect_policy = policy;
 182         return TRUE;
 183     }
 184     case WINHTTP_OPTION_DISABLE_FEATURE:
 185         set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
 186         return FALSE;
 187     case WINHTTP_OPTION_RESOLVE_TIMEOUT:
 188         session->resolve_timeout = *(DWORD *)buffer;
 189         return TRUE;
 190     case WINHTTP_OPTION_CONNECT_TIMEOUT:
 191         session->connect_timeout = *(DWORD *)buffer;
 192         return TRUE;
 193     case WINHTTP_OPTION_SEND_TIMEOUT:
 194         session->send_timeout = *(DWORD *)buffer;
 195         return TRUE;
 196     case WINHTTP_OPTION_RECEIVE_TIMEOUT:
 197         session->recv_timeout = *(DWORD *)buffer;
 198         return TRUE;
 199     case WINHTTP_OPTION_CONFIGURE_PASSPORT_AUTH:
 200         FIXME("WINHTTP_OPTION_CONFIGURE_PASSPORT_AUTH: 0x%x\n", *(DWORD *)buffer);
 201         return TRUE;
 202     default:
 203         FIXME("unimplemented option %u\n", option);
 204         set_last_error( ERROR_INVALID_PARAMETER );
 205         return FALSE;
 206     }
 207 }
 208
 209 static const object_vtbl_t session_vtbl =
 210 {
 211     session_destroy,
 212     session_query_option,
 213     session_set_option
 214 };
 215
 216 /***********************************************************************
 217  *          WinHttpOpen (winhttp.@)
 218  */
 219 HINTERNET WINAPI WinHttpOpen( LPCWSTR agent, DWORD access, LPCWSTR proxy, LPCWSTR bypass, DWORD flags )
 220 {
 221     session_t *session;
 222     HINTERNET handle = NULL;
 223
 224     TRACE("%s, %u, %s, %s, 0x%08x\n", debugstr_w(agent), access, debugstr_w(proxy), debugstr_w(bypass), flags);
 225
 226     if (!(session = heap_alloc_zero( sizeof(session_t) ))) return NULL;
 227
 228     session->hdr.type = WINHTTP_HANDLE_TYPE_SESSION;
 229     session->hdr.vtbl = &session_vtbl;
 230     session->hdr.flags = flags;
 231     session->hdr.refs = 1;
 232     session->hdr.redirect_policy = WINHTTP_OPTION_REDIRECT_POLICY_DISALLOW_HTTPS_TO_HTTP;
 233     list_init( &session->hdr.children );
 234     session->resolve_timeout = DEFAULT_RESOLVE_TIMEOUT;
 235     session->connect_timeout = DEFAULT_CONNECT_TIMEOUT;
 236     session->send_timeout = DEFAULT_SEND_TIMEOUT;
 237     session->recv_timeout = DEFAULT_RECEIVE_TIMEOUT;
 238     list_init( &session->cookie_cache );
 239
 240     if (agent && !(session->agent = strdupW( agent ))) goto end;
 241     if (access == WINHTTP_ACCESS_TYPE_DEFAULT_PROXY)
 242     {
 243         WINHTTP_PROXY_INFO info;
 244
 245         WinHttpGetDefaultProxyConfiguration( &info );
 246         session->access = info.dwAccessType;
 247         if (info.lpszProxy && !(session->proxy_server = strdupW( info.lpszProxy )))
 248         {
 249             GlobalFree( info.lpszProxy );
 250             GlobalFree( info.lpszProxyBypass );
 251             goto end;
 252         }
 253         if (info.lpszProxyBypass && !(session->proxy_bypass = strdupW( info.lpszProxyBypass )))
 254         {
 255             GlobalFree( info.lpszProxy );
 256             GlobalFree( info.lpszProxyBypass );
 257             goto end;
 258         }
 259     }
 260     else if (access == WINHTTP_ACCESS_TYPE_NAMED_PROXY)
 261     {
 262         session->access = access;
 263         if (proxy && !(session->proxy_server = strdupW( proxy ))) goto end;
 264         if (bypass && !(session->proxy_bypass = strdupW( bypass ))) goto end;
 265     }
 266
 267     if (!(handle = alloc_handle( &session->hdr ))) goto end;
 268     session->hdr.handle = handle;
 269
 270 end:
 271     release_object( &session->hdr );
 272     TRACE("returning %p\n", handle);
 273     return handle;
 274 }
 275
 276 /***********************************************************************
 277  *          connect_destroy (internal)
 278  */
 279 static void connect_destroy( object_header_t *hdr )
 280 {
 281     connect_t *connect = (connect_t *)hdr;
 282
 283     TRACE("%p\n", connect);
 284
 285     release_object( &connect->session->hdr );
 286
 287     heap_free( connect->hostname );
 288     heap_free( connect->servername );
 289     heap_free( connect->username );
 290     heap_free( connect->password );
 291     heap_free( connect );
 292 }
 293
 294 static BOOL connect_query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPDWORD buflen )
 295 {
 296     connect_t *connect = (connect_t *)hdr;
 297
 298     switch (option)
 299     {
 300     case WINHTTP_OPTION_PARENT_HANDLE:
 301     {
 302         if (!buffer || *buflen < sizeof(HINTERNET))
 303         {
 304             *buflen = sizeof(HINTERNET);
 305             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 306             return FALSE;
 307         }
 308
 309         *(HINTERNET *)buffer = ((object_header_t *)connect->session)->handle;
 310         *buflen = sizeof(HINTERNET);
 311         return TRUE;
 312     }
 313     case WINHTTP_OPTION_RESOLVE_TIMEOUT:
 314         *(DWORD *)buffer = connect->session->resolve_timeout;
 315         *buflen = sizeof(DWORD);
 316         return TRUE;
 317     case WINHTTP_OPTION_CONNECT_TIMEOUT:
 318         *(DWORD *)buffer = connect->session->connect_timeout;
 319         *buflen = sizeof(DWORD);
 320         return TRUE;
 321     case WINHTTP_OPTION_SEND_TIMEOUT:
 322         *(DWORD *)buffer = connect->session->send_timeout;
 323         *buflen = sizeof(DWORD);
 324         return TRUE;
 325     case WINHTTP_OPTION_RECEIVE_TIMEOUT:
 326         *(DWORD *)buffer = connect->session->recv_timeout;
 327         *buflen = sizeof(DWORD);
 328         return TRUE;
 329     default:
 330         FIXME("unimplemented option %u\n", option);
 331         set_last_error( ERROR_INVALID_PARAMETER );
 332         return FALSE;
 333     }
 334 }
 335
 336 static const object_vtbl_t connect_vtbl =
 337 {
 338     connect_destroy,
 339     connect_query_option,
 340     NULL
 341 };
 342
 343 static BOOL domain_matches(LPCWSTR server, LPCWSTR domain)
 344 {
 345     static const WCHAR localW[] = { '<','l','o','c','a','l','>',0 };
 346     BOOL ret = FALSE;
 347
 348     if (!strcmpiW( domain, localW ) && !strchrW( server, '.' ))
 349         ret = TRUE;
 350     else if (*domain == '*')
 351     {
 352         if (domain[1] == '.')
 353         {
 354             LPCWSTR dot;
 355
 356             /* For a hostname to match a wildcard, the last domain must match
 357              * the wildcard exactly.  E.g. if the wildcard is *.a.b, and the
 358              * hostname is www.foo.a.b, it matches, but a.b does not.
 359              */
 360             dot = strchrW( server, '.' );
 361             if (dot)
 362             {
 363                 int len = strlenW( dot + 1 );
 364
 365                 if (len > strlenW( domain + 2 ))
 366                 {
 367                     LPCWSTR ptr;
 368
 369                     /* The server's domain is longer than the wildcard, so it
 370                      * could be a subdomain.  Compare the last portion of the
 371                      * server's domain.
 372                      */
 373                     ptr = dot + len + 1 - strlenW( domain + 2 );
 374                     if (!strcmpiW( ptr, domain + 2 ))
 375                     {
 376                         /* This is only a match if the preceding character is
 377                          * a '.', i.e. that it is a matching domain.  E.g.
 378                          * if domain is '*.b.c' and server is 'www.ab.c' they
 379                          * do not match.
 380                          */
 381                         ret = *(ptr - 1) == '.';
 382                     }
 383                 }
 384                 else
 385                     ret = !strcmpiW( dot + 1, domain + 2 );
 386             }
 387         }
 388     }
 389     else
 390         ret = !strcmpiW( server, domain );
 391     return ret;
 392 }
 393
 394 /* Matches INTERNET_MAX_HOST_NAME_LENGTH in wininet.h, also RFC 1035 */
 395 #define MAX_HOST_NAME_LENGTH 256
 396
 397 static BOOL should_bypass_proxy(session_t *session, LPCWSTR server)
 398 {
 399     LPCWSTR ptr;
 400     BOOL ret = FALSE;
 401
 402     if (!session->proxy_bypass) return FALSE;
 403     ptr = session->proxy_bypass;
 404     do {
 405         LPCWSTR tmp = ptr;
 406
 407         ptr = strchrW( ptr, ';' );
 408         if (!ptr)
 409             ptr = strchrW( tmp, ' ' );
 410         if (ptr)
 411         {
 412             if (ptr - tmp < MAX_HOST_NAME_LENGTH)
 413             {
 414                 WCHAR domain[MAX_HOST_NAME_LENGTH];
 415
 416                 memcpy( domain, tmp, (ptr - tmp) * sizeof(WCHAR) );
 417                 domain[ptr - tmp] = 0;
 418                 ret = domain_matches( server, domain );
 419             }
 420             ptr += 1;
 421         }
 422         else if (*tmp)
 423             ret = domain_matches( server, tmp );
 424     } while (ptr && !ret);
 425     return ret;
 426 }
 427
 428 BOOL set_server_for_hostname( connect_t *connect, LPCWSTR server, INTERNET_PORT port )
 429 {
 430     session_t *session = connect->session;
 431     BOOL ret = TRUE;
 432
 433     if (session->proxy_server && !should_bypass_proxy(session, server))
 434     {
 435         LPCWSTR colon;
 436
 437         if ((colon = strchrW( session->proxy_server, ':' )))
 438         {
 439             if (!connect->servername || strncmpiW( connect->servername,
 440                 session->proxy_server, colon - session->proxy_server - 1 ))
 441             {
 442                 heap_free( connect->servername );
 443                 connect->resolved = FALSE;
 444                 if (!(connect->servername = heap_alloc(
 445                     (colon - session->proxy_server + 1) * sizeof(WCHAR) )))
 446                 {
 447                     ret = FALSE;
 448                     goto end;
 449                 }
 450                 memcpy( connect->servername, session->proxy_server,
 451                     (colon - session->proxy_server) * sizeof(WCHAR) );
 452                 connect->servername[colon - session->proxy_server] = 0;
 453                 if (*(colon + 1))
 454                     connect->serverport = atoiW( colon + 1 );
 455                 else
 456                     connect->serverport = INTERNET_DEFAULT_PORT;
 457             }
 458         }
 459         else
 460         {
 461             if (!connect->servername || strcmpiW( connect->servername,
 462                 session->proxy_server ))
 463             {
 464                 heap_free( connect->servername );
 465                 connect->resolved = FALSE;
 466                 if (!(connect->servername = strdupW( session->proxy_server )))
 467                 {
 468                     ret = FALSE;
 469                     goto end;
 470                 }
 471                 connect->serverport = INTERNET_DEFAULT_PORT;
 472             }
 473         }
 474     }
 475     else if (server)
 476     {
 477         heap_free( connect->servername );
 478         connect->resolved = FALSE;
 479         if (!(connect->servername = strdupW( server )))
 480         {
 481             ret = FALSE;
 482             goto end;
 483         }
 484         connect->serverport = port;
 485     }
 486 end:
 487     return ret;
 488 }
 489
 490 /***********************************************************************
 491  *          WinHttpConnect (winhttp.@)
 492  */
 493 HINTERNET WINAPI WinHttpConnect( HINTERNET hsession, LPCWSTR server, INTERNET_PORT port, DWORD reserved )
 494 {
 495     connect_t *connect;
 496     session_t *session;
 497     HINTERNET hconnect = NULL;
 498
 499     TRACE("%p, %s, %u, %x\n", hsession, debugstr_w(server), port, reserved);
 500
 501     if (!server)
 502     {
 503         set_last_error( ERROR_INVALID_PARAMETER );
 504         return NULL;
 505     }
 506     if (!(session = (session_t *)grab_object( hsession )))
 507     {
 508         set_last_error( ERROR_INVALID_HANDLE );
 509         return NULL;
 510     }
 511     if (session->hdr.type != WINHTTP_HANDLE_TYPE_SESSION)
 512     {
 513         release_object( &session->hdr );
 514         set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
 515         return NULL;
 516     }
 517     if (!(connect = heap_alloc_zero( sizeof(connect_t) )))
 518     {
 519         release_object( &session->hdr );
 520         return NULL;
 521     }
 522     connect->hdr.type = WINHTTP_HANDLE_TYPE_CONNECT;
 523     connect->hdr.vtbl = &connect_vtbl;
 524     connect->hdr.refs = 1;
 525     connect->hdr.flags = session->hdr.flags;
 526     connect->hdr.callback = session->hdr.callback;
 527     connect->hdr.notify_mask = session->hdr.notify_mask;
 528     connect->hdr.context = session->hdr.context;
 529     connect->hdr.redirect_policy = session->hdr.redirect_policy;
 530     list_init( &connect->hdr.children );
 531
 532     addref_object( &session->hdr );
 533     connect->session = session;
 534     list_add_head( &session->hdr.children, &connect->hdr.entry );
 535
 536     if (!(connect->hostname = strdupW( server ))) goto end;
 537     connect->hostport = port;
 538     if (!set_server_for_hostname( connect, server, port )) goto end;
 539
 540     if (!(hconnect = alloc_handle( &connect->hdr ))) goto end;
 541     connect->hdr.handle = hconnect;
 542
 543     send_callback( &session->hdr, WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, &hconnect, sizeof(hconnect) );
 544
 545 end:
 546     release_object( &connect->hdr );
 547     release_object( &session->hdr );
 548     TRACE("returning %p\n", hconnect);
 549     return hconnect;
 550 }
 551
 552 /***********************************************************************
 553  *          request_destroy (internal)
 554  */
 555 static void request_destroy( object_header_t *hdr )
 556 {
 557     request_t *request = (request_t *)hdr;
 558     unsigned int i;
 559
 560     TRACE("%p\n", request);
 561
 562     if (request->task_thread)
 563     {
 564         SetEvent( request->task_cancel );
 565         WaitForSingleObject( request->task_thread, INFINITE );
 566         CloseHandle( request->task_thread );
 567         CloseHandle( request->task_cancel );
 568         CloseHandle( request->task_wait );
 569         DeleteCriticalSection( &request->task_cs );
 570     }
 571     release_object( &request->connect->hdr );
 572
 573     destroy_authinfo( request->authinfo );
 574     destroy_authinfo( request->proxy_authinfo );
 575
 576     heap_free( request->verb );
 577     heap_free( request->path );
 578     heap_free( request->version );
 579     heap_free( request->raw_headers );
 580     heap_free( request->status_text );
 581     for (i = 0; i < request->num_headers; i++)
 582     {
 583         heap_free( request->headers[i].field );
 584         heap_free( request->headers[i].value );
 585     }
 586     heap_free( request->headers );
 587     for (i = 0; i < request->num_accept_types; i++) heap_free( request->accept_types[i] );
 588     heap_free( request->accept_types );
 589     heap_free( request );
 590 }
 591
 592 static void str_to_buffer( WCHAR *buffer, const WCHAR *str, LPDWORD buflen )
 593 {
 594     int len = 0;
 595     if (str) len = strlenW( str );
 596     if (buffer && *buflen > len)
 597     {
 598         if (str) memcpy( buffer, str, len * sizeof(WCHAR) );
 599         buffer[len] = 0;
 600     }
 601     *buflen = len * sizeof(WCHAR);
 602 }
 603
 604 static WCHAR *blob_to_str( DWORD encoding, CERT_NAME_BLOB *blob )
 605 {
 606     WCHAR *ret;
 607     DWORD size, format = CERT_SIMPLE_NAME_STR | CERT_NAME_STR_CRLF_FLAG;
 608
 609     size = CertNameToStrW( encoding, blob, format, NULL, 0 );
 610     if ((ret = LocalAlloc( 0, size * sizeof(WCHAR) )))
 611         CertNameToStrW( encoding, blob, format, ret, size );
 612
 613     return ret;
 614 }
 615
 616 static BOOL convert_sockaddr( const struct sockaddr *addr, SOCKADDR_STORAGE *addr_storage )
 617 {
 618 #ifndef __MINGW32__
 619     switch (addr->sa_family)
 620     {
 621     case AF_INET:
 622     {
 623         const struct sockaddr_in *addr_unix = (const struct sockaddr_in *)addr;
 624         struct WS_sockaddr_in *addr_win = (struct WS_sockaddr_in *)addr_storage;
 625         char *p;
 626
 627         addr_win->sin_family = WS_AF_INET;
 628         addr_win->sin_port   = addr_unix->sin_port;
 629         memcpy( &addr_win->sin_addr, &addr_unix->sin_addr, 4 );
 630         p = (char *)&addr_win->sin_addr + 4;
 631         memset( p, 0, sizeof(*addr_storage) - (p - (char *)addr_win) );
 632         return TRUE;
 633     }
 634     case AF_INET6:
 635     {
 636         const struct sockaddr_in6 *addr_unix = (const struct sockaddr_in6 *)addr;
 637         struct WS_sockaddr_in6 *addr_win = (struct WS_sockaddr_in6 *)addr_storage;
 638
 639         addr_win->sin6_family   = WS_AF_INET6;
 640         addr_win->sin6_port     = addr_unix->sin6_port;
 641         addr_win->sin6_flowinfo = addr_unix->sin6_flowinfo;
 642         memcpy( &addr_win->sin6_addr, &addr_unix->sin6_addr, 16 );
 643 #ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
 644         addr_win->sin6_scope_id = addr_unix->sin6_scope_id;
 645 #else
 646         addr_win->sin6_scope_id = 0;
 647 #endif
 648         memset( addr_win + 1, 0, sizeof(*addr_storage) - sizeof(*addr_win) );
 649         return TRUE;
 650     }
 651     default:
 652         ERR("unhandled family %u\n", addr->sa_family);
 653         return FALSE;
 654     }
 655 #else
 656     switch (addr->sa_family)
 657     {
 658     case AF_INET:
 659     {
 660         struct sockaddr_in *addr_in = (struct sockaddr_in *)addr_storage;
 661
 662         memcpy( addr_in, addr, sizeof(*addr_in) );
 663         memset( addr_in + 1, 0, sizeof(*addr_storage) - sizeof(*addr_in) );
 664         return TRUE;
 665     }
 666     case AF_INET6:
 667     {
 668         struct sockaddr_in6 *addr_in6 = (struct sockaddr_in6 *)addr_storage;
 669
 670         memcpy( addr_in6, addr, sizeof(*addr_in6) );
 671         memset( addr_in6 + 1, 0, sizeof(*addr_storage) - sizeof(*addr_in6) );
 672         return TRUE;
 673     }
 674     default:
 675         ERR("unhandled family %u\n", addr->sa_family);
 676         return FALSE;
 677     }
 678 #endif
 679 }
 680
 681 static BOOL request_query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPDWORD buflen )
 682 {
 683     request_t *request = (request_t *)hdr;
 684
 685     switch (option)
 686     {
 687     case WINHTTP_OPTION_SECURITY_FLAGS:
 688     {
 689         DWORD flags;
 690         int bits;
 691
 692         if (!buffer || *buflen < sizeof(flags))
 693         {
 694             *buflen = sizeof(flags);
 695             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 696             return FALSE;
 697         }
 698
 699         flags = 0;
 700         if (hdr->flags & WINHTTP_FLAG_SECURE) flags |= SECURITY_FLAG_SECURE;
 701         flags |= request->netconn.security_flags;
 702         bits = netconn_get_cipher_strength( &request->netconn );
 703         if (bits >= 128)
 704             flags |= SECURITY_FLAG_STRENGTH_STRONG;
 705         else if (bits >= 56)
 706             flags |= SECURITY_FLAG_STRENGTH_MEDIUM;
 707         else
 708             flags |= SECURITY_FLAG_STRENGTH_WEAK;
 709         *(DWORD *)buffer = flags;
 710         *buflen = sizeof(flags);
 711         return TRUE;
 712     }
 713     case WINHTTP_OPTION_SERVER_CERT_CONTEXT:
 714     {
 715         const CERT_CONTEXT *cert;
 716
 717         if (!buffer || *buflen < sizeof(cert))
 718         {
 719             *buflen = sizeof(cert);
 720             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 721             return FALSE;
 722         }
 723
 724         if (!(cert = netconn_get_certificate( &request->netconn ))) return FALSE;
 725         *(CERT_CONTEXT **)buffer = (CERT_CONTEXT *)cert;
 726         *buflen = sizeof(cert);
 727         return TRUE;
 728     }
 729     case WINHTTP_OPTION_SECURITY_CERTIFICATE_STRUCT:
 730     {
 731         const CERT_CONTEXT *cert;
 732         const CRYPT_OID_INFO *oidInfo;
 733         WINHTTP_CERTIFICATE_INFO *ci = buffer;
 734
 735         FIXME("partial stub\n");
 736
 737         if (!buffer || *buflen < sizeof(*ci))
 738         {
 739             *buflen = sizeof(*ci);
 740             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 741             return FALSE;
 742         }
 743         if (!(cert = netconn_get_certificate( &request->netconn ))) return FALSE;
 744
 745         ci->ftExpiry = cert->pCertInfo->NotAfter;
 746         ci->ftStart  = cert->pCertInfo->NotBefore;
 747         ci->lpszSubjectInfo = blob_to_str( cert->dwCertEncodingType, &cert->pCertInfo->Subject );
 748         ci->lpszIssuerInfo  = blob_to_str( cert->dwCertEncodingType, &cert->pCertInfo->Issuer );
 749         ci->lpszProtocolName      = NULL;
 750         oidInfo = CryptFindOIDInfo( CRYPT_OID_INFO_OID_KEY,
 751                                     cert->pCertInfo->SignatureAlgorithm.pszObjId,
 752                                     0 );
 753         if (oidInfo)
 754             ci->lpszSignatureAlgName = (LPWSTR)oidInfo->pwszName;
 755         else
 756             ci->lpszSignatureAlgName  = NULL;
 757         ci->lpszEncryptionAlgName = NULL;
 758         ci->dwKeySize = netconn_get_cipher_strength( &request->netconn );
 759
 760         CertFreeCertificateContext( cert );
 761         *buflen = sizeof(*ci);
 762         return TRUE;
 763     }
 764     case WINHTTP_OPTION_SECURITY_KEY_BITNESS:
 765     {
 766         if (!buffer || *buflen < sizeof(DWORD))
 767         {
 768             *buflen = sizeof(DWORD);
 769             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 770             return FALSE;
 771         }
 772
 773         *(DWORD *)buffer = netconn_get_cipher_strength( &request->netconn );
 774         *buflen = sizeof(DWORD);
 775         return TRUE;
 776     }
 777     case WINHTTP_OPTION_CONNECTION_INFO:
 778     {
 779         WINHTTP_CONNECTION_INFO *info = buffer;
 780         struct sockaddr local;
 781         socklen_t len = sizeof(local);
 782         const struct sockaddr *remote = (const struct sockaddr *)&request->connect->sockaddr;
 783
 784         if (!buffer || *buflen < sizeof(*info))
 785         {
 786             *buflen = sizeof(*info);
 787             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 788             return FALSE;
 789         }
 790         if (!netconn_connected( &request->netconn ))
 791         {
 792             set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_STATE );
 793             return FALSE;
 794         }
 795         if (getsockname( request->netconn.socket, &local, &len )) return FALSE;
 796         if (!convert_sockaddr( &local, &info->LocalAddress )) return FALSE;
 797         if (!convert_sockaddr( remote, &info->RemoteAddress )) return FALSE;
 798         info->cbSize = sizeof(*info);
 799         return TRUE;
 800     }
 801     case WINHTTP_OPTION_RESOLVE_TIMEOUT:
 802         *(DWORD *)buffer = request->resolve_timeout;
 803         *buflen = sizeof(DWORD);
 804         return TRUE;
 805     case WINHTTP_OPTION_CONNECT_TIMEOUT:
 806         *(DWORD *)buffer = request->connect_timeout;
 807         *buflen = sizeof(DWORD);
 808         return TRUE;
 809     case WINHTTP_OPTION_SEND_TIMEOUT:
 810         *(DWORD *)buffer = request->send_timeout;
 811         *buflen = sizeof(DWORD);
 812         return TRUE;
 813     case WINHTTP_OPTION_RECEIVE_TIMEOUT:
 814         *(DWORD *)buffer = request->recv_timeout;
 815         *buflen = sizeof(DWORD);
 816         return TRUE;
 817
 818     case WINHTTP_OPTION_USERNAME:
 819         str_to_buffer( buffer, request->connect->username, buflen );
 820         return TRUE;
 821
 822     case WINHTTP_OPTION_PASSWORD:
 823         str_to_buffer( buffer, request->connect->password, buflen );
 824         return TRUE;
 825
 826     case WINHTTP_OPTION_PROXY_USERNAME:
 827         str_to_buffer( buffer, request->connect->session->proxy_username, buflen );
 828         return TRUE;
 829
 830     case WINHTTP_OPTION_PROXY_PASSWORD:
 831         str_to_buffer( buffer, request->connect->session->proxy_password, buflen );
 832         return TRUE;
 833
 834     default:
 835         FIXME("unimplemented option %u\n", option);
 836         set_last_error( ERROR_INVALID_PARAMETER );
 837         return FALSE;
 838     }
 839 }
 840
 841 static WCHAR *buffer_to_str( WCHAR *buffer, DWORD buflen )
 842 {
 843     WCHAR *ret;
 844     if ((ret = heap_alloc( (buflen + 1) * sizeof(WCHAR))))
 845     {
 846         memcpy( ret, buffer, buflen * sizeof(WCHAR) );
 847         ret[buflen] = 0;
 848         return ret;
 849     }
 850     set_last_error( ERROR_OUTOFMEMORY );
 851     return NULL;
 852 }
 853
 854 static BOOL request_set_option( object_header_t *hdr, DWORD option, LPVOID buffer, DWORD buflen )
 855 {
 856     request_t *request = (request_t *)hdr;
 857
 858     switch (option)
 859     {
 860     case WINHTTP_OPTION_PROXY:
 861     {
 862         WINHTTP_PROXY_INFO *pi = buffer;
 863
 864         FIXME("%u %s %s\n", pi->dwAccessType, debugstr_w(pi->lpszProxy), debugstr_w(pi->lpszProxyBypass));
 865         return TRUE;
 866     }
 867     case WINHTTP_OPTION_DISABLE_FEATURE:
 868     {
 869         DWORD disable;
 870
 871         if (buflen != sizeof(DWORD))
 872         {
 873             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 874             return FALSE;
 875         }
 876
 877         disable = *(DWORD *)buffer;
 878         TRACE("0x%x\n", disable);
 879         hdr->disable_flags |= disable;
 880         return TRUE;
 881     }
 882     case WINHTTP_OPTION_AUTOLOGON_POLICY:
 883     {
 884         DWORD policy;
 885
 886         if (buflen != sizeof(DWORD))
 887         {
 888             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 889             return FALSE;
 890         }
 891
 892         policy = *(DWORD *)buffer;
 893         TRACE("0x%x\n", policy);
 894         hdr->logon_policy = policy;
 895         return TRUE;
 896     }
 897     case WINHTTP_OPTION_REDIRECT_POLICY:
 898     {
 899         DWORD policy;
 900
 901         if (buflen != sizeof(DWORD))
 902         {
 903             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 904             return FALSE;
 905         }
 906
 907         policy = *(DWORD *)buffer;
 908         TRACE("0x%x\n", policy);
 909         hdr->redirect_policy = policy;
 910         return TRUE;
 911     }
 912     case WINHTTP_OPTION_SECURITY_FLAGS:
 913     {
 914         DWORD flags;
 915
 916         if (buflen < sizeof(DWORD))
 917         {
 918             set_last_error( ERROR_INSUFFICIENT_BUFFER );
 919             return FALSE;
 920         }
 921         flags = *(DWORD *)buffer;
 922         TRACE("0x%x\n", flags);
 923         if (!(flags & (SECURITY_FLAG_IGNORE_CERT_CN_INVALID   |
 924                        SECURITY_FLAG_IGNORE_CERT_DATE_INVALID |
 925                        SECURITY_FLAG_IGNORE_UNKNOWN_CA        |
 926                        SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE)))
 927         {
 928             set_last_error( ERROR_INVALID_PARAMETER );
 929             return FALSE;
 930         }
 931         request->netconn.security_flags = flags;
 932         return TRUE;
 933     }
 934     case WINHTTP_OPTION_RESOLVE_TIMEOUT:
 935         request->resolve_timeout = *(DWORD *)buffer;
 936         return TRUE;
 937     case WINHTTP_OPTION_CONNECT_TIMEOUT:
 938         request->connect_timeout = *(DWORD *)buffer;
 939         return TRUE;
 940     case WINHTTP_OPTION_SEND_TIMEOUT:
 941         request->send_timeout = *(DWORD *)buffer;
 942         return TRUE;
 943     case WINHTTP_OPTION_RECEIVE_TIMEOUT:
 944         request->recv_timeout = *(DWORD *)buffer;
 945         return TRUE;
 946
 947     case WINHTTP_OPTION_USERNAME:
 948     {
 949         connect_t *connect = request->connect;
 950
 951         heap_free( connect->username );
 952         if (!(connect->username = buffer_to_str( buffer, buflen ))) return FALSE;
 953         return TRUE;
 954     }
 955     case WINHTTP_OPTION_PASSWORD:
 956     {
 957         connect_t *connect = request->connect;
 958
 959         heap_free( connect->password );
 960         if (!(connect->password = buffer_to_str( buffer, buflen ))) return FALSE;
 961         return TRUE;
 962     }
 963     case WINHTTP_OPTION_PROXY_USERNAME:
 964     {
 965         session_t *session = request->connect->session;
 966
 967         heap_free( session->proxy_username );
 968         if (!(session->proxy_username = buffer_to_str( buffer, buflen ))) return FALSE;
 969         return TRUE;
 970     }
 971     case WINHTTP_OPTION_PROXY_PASSWORD:
 972     {
 973         session_t *session = request->connect->session;
 974
 975         heap_free( session->proxy_password );
 976         if (!(session->proxy_password = buffer_to_str( buffer, buflen ))) return FALSE;
 977         return TRUE;
 978     }
 979     default:
 980         FIXME("unimplemented option %u\n", option);
 981         set_last_error( ERROR_INVALID_PARAMETER );
 982         return TRUE;
 983     }
 984 }
 985
 986 static const object_vtbl_t request_vtbl =
 987 {
 988     request_destroy,
 989     request_query_option,
 990     request_set_option
 991 };
 992
 993 static BOOL store_accept_types( request_t *request, const WCHAR **accept_types )
 994 {
 995     const WCHAR **types = accept_types;
 996     DWORD i;
 997
 998     if (!types) return TRUE;
 999     while (*types)
1000     {
1001         request->num_accept_types++;
1002         types++;
1003     }
1004     if (!request->num_accept_types) return TRUE;
1005     if (!(request->accept_types = heap_alloc( request->num_accept_types * sizeof(WCHAR *))))
1006     {
1007         request->num_accept_types = 0;
1008         return FALSE;
1009     }
1010     types = accept_types;
1011     for (i = 0; i < request->num_accept_types; i++)
1012     {
1013         if (!(request->accept_types[i] = strdupW( *types )))
1014         {
1015             for ( ; i > 0; --i) heap_free( request->accept_types[i - 1] );
1016             heap_free( request->accept_types );
1017             request->accept_types = NULL;
1018             request->num_accept_types = 0;
1019             return FALSE;
1020         }
1021         types++;
1022     }
1023     return TRUE;
1024 }
1025
1026 /***********************************************************************
1027  *          WinHttpOpenRequest (winhttp.@)
1028  */
1029 HINTERNET WINAPI WinHttpOpenRequest( HINTERNET hconnect, LPCWSTR verb, LPCWSTR object, LPCWSTR version,
1030                                      LPCWSTR referrer, LPCWSTR *types, DWORD flags )
1031 {
1032     request_t *request;
1033     connect_t *connect;
1034     HINTERNET hrequest = NULL;
1035
1036     TRACE("%p, %s, %s, %s, %s, %p, 0x%08x\n", hconnect, debugstr_w(verb), debugstr_w(object),
1037           debugstr_w(version), debugstr_w(referrer), types, flags);
1038
1039     if(types && TRACE_ON(winhttp)) {
1040         const WCHAR **iter;
1041
1042         TRACE("accept types:\n");
1043         for(iter = types; *iter; iter++)
1044             TRACE("    %s\n", debugstr_w(*iter));
1045     }
1046
1047     if (!(connect = (connect_t *)grab_object( hconnect )))
1048     {
1049         set_last_error( ERROR_INVALID_HANDLE );
1050         return NULL;
1051     }
1052     if (connect->hdr.type != WINHTTP_HANDLE_TYPE_CONNECT)
1053     {
1054         release_object( &connect->hdr );
1055         set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1056         return NULL;
1057     }
1058     if (!(request = heap_alloc_zero( sizeof(request_t) )))
1059     {
1060         release_object( &connect->hdr );
1061         return NULL;
1062     }
1063     request->hdr.type = WINHTTP_HANDLE_TYPE_REQUEST;
1064     request->hdr.vtbl = &request_vtbl;
1065     request->hdr.refs = 1;
1066     request->hdr.flags = flags;
1067     request->hdr.callback = connect->hdr.callback;
1068     request->hdr.notify_mask = connect->hdr.notify_mask;
1069     request->hdr.context = connect->hdr.context;
1070     request->hdr.redirect_policy = connect->hdr.redirect_policy;
1071     list_init( &request->hdr.children );
1072     list_init( &request->task_queue );
1073
1074     addref_object( &connect->hdr );
1075     request->connect = connect;
1076     list_add_head( &connect->hdr.children, &request->hdr.entry );
1077
1078     if (!netconn_init( &request->netconn )) goto end;
1079     request->resolve_timeout = connect->session->resolve_timeout;
1080     request->connect_timeout = connect->session->connect_timeout;
1081     request->send_timeout = connect->session->send_timeout;
1082     request->recv_timeout = connect->session->recv_timeout;
1083
1084     if (!verb || !verb[0]) verb = getW;
1085     if (!(request->verb = strdupW( verb ))) goto end;
1086
1087     if (object)
1088     {
1089         WCHAR *path, *p;
1090         unsigned int len;
1091
1092         len = strlenW( object ) + 1;
1093         if (object[0] != '/') len++;
1094         if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end;
1095
1096         if (object[0] != '/') *p++ = '/';
1097         strcpyW( p, object );
1098         request->path = path;
1099     }
1100     else if (!(request->path = strdupW( slashW ))) goto end;
1101
1102     if (!version || !version[0]) version = http1_1;
1103     if (!(request->version = strdupW( version ))) goto end;
1104     if (!(store_accept_types( request, types ))) goto end;
1105
1106     if (!(hrequest = alloc_handle( &request->hdr ))) goto end;
1107     request->hdr.handle = hrequest;
1108
1109     send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, &hrequest, sizeof(hrequest) );
1110
1111 end:
1112     release_object( &request->hdr );
1113     release_object( &connect->hdr );
1114     TRACE("returning %p\n", hrequest);
1115     return hrequest;
1116 }
1117
1118 /***********************************************************************
1119  *          WinHttpCloseHandle (winhttp.@)
1120  */
1121 BOOL WINAPI WinHttpCloseHandle( HINTERNET handle )
1122 {
1123     object_header_t *hdr;
1124
1125     TRACE("%p\n", handle);
1126
1127     if (!(hdr = grab_object( handle )))
1128     {
1129         set_last_error( ERROR_INVALID_HANDLE );
1130         return FALSE;
1131     }
1132     release_object( hdr );
1133     free_handle( handle );
1134     return TRUE;
1135 }
1136
1137 static BOOL query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPDWORD buflen )
1138 {
1139     BOOL ret = FALSE;
1140
1141     if (!buflen)
1142     {
1143         set_last_error( ERROR_INVALID_PARAMETER );
1144         return FALSE;
1145     }
1146
1147     switch (option)
1148     {
1149     case WINHTTP_OPTION_CONTEXT_VALUE:
1150     {
1151         if (!buffer || *buflen < sizeof(DWORD_PTR))
1152         {
1153             *buflen = sizeof(DWORD_PTR);
1154             set_last_error( ERROR_INSUFFICIENT_BUFFER );
1155             return FALSE;
1156         }
1157
1158         *(DWORD_PTR *)buffer = hdr->context;
1159         *buflen = sizeof(DWORD_PTR);
1160         return TRUE;
1161     }
1162     default:
1163         if (hdr->vtbl->query_option) ret = hdr->vtbl->query_option( hdr, option, buffer, buflen );
1164         else
1165         {
1166             FIXME("unimplemented option %u\n", option);
1167             set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1168             return FALSE;
1169         }
1170         break;
1171     }
1172     return ret;
1173 }
1174
1175 /***********************************************************************
1176  *          WinHttpQueryOption (winhttp.@)
1177  */
1178 BOOL WINAPI WinHttpQueryOption( HINTERNET handle, DWORD option, LPVOID buffer, LPDWORD buflen )
1179 {
1180     BOOL ret = FALSE;
1181     object_header_t *hdr;
1182
1183     TRACE("%p, %u, %p, %p\n", handle, option, buffer, buflen);
1184
1185     if (!(hdr = grab_object( handle )))
1186     {
1187         set_last_error( ERROR_INVALID_HANDLE );
1188         return FALSE;
1189     }
1190
1191     ret = query_option( hdr, option, buffer, buflen );
1192
1193     release_object( hdr );
1194     return ret;
1195 }
1196
1197 static BOOL set_option( object_header_t *hdr, DWORD option, LPVOID buffer, DWORD buflen )
1198 {
1199     BOOL ret = TRUE;
1200
1201     if (!buffer)
1202     {
1203         set_last_error( ERROR_INVALID_PARAMETER );
1204         return FALSE;
1205     }
1206
1207     switch (option)
1208     {
1209     case WINHTTP_OPTION_CONTEXT_VALUE:
1210     {
1211         if (buflen != sizeof(DWORD_PTR))
1212         {
1213             set_last_error( ERROR_INSUFFICIENT_BUFFER );
1214             return FALSE;
1215         }
1216
1217         hdr->context = *(DWORD_PTR *)buffer;
1218         return TRUE;
1219     }
1220     default:
1221         if (hdr->vtbl->set_option) ret = hdr->vtbl->set_option( hdr, option, buffer, buflen );
1222         else
1223         {
1224             FIXME("unimplemented option %u\n", option);
1225             set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1226             return FALSE;
1227         }
1228         break;
1229     }
1230     return ret;
1231 }
1232
1233 /***********************************************************************
1234  *          WinHttpSetOption (winhttp.@)
1235  */
1236 BOOL WINAPI WinHttpSetOption( HINTERNET handle, DWORD option, LPVOID buffer, DWORD buflen )
1237 {
1238     BOOL ret = FALSE;
1239     object_header_t *hdr;
1240
1241     TRACE("%p, %u, %p, %u\n", handle, option, buffer, buflen);
1242
1243     if (!(hdr = grab_object( handle )))
1244     {
1245         set_last_error( ERROR_INVALID_HANDLE );
1246         return FALSE;
1247     }
1248
1249     ret = set_option( hdr, option, buffer, buflen );
1250
1251     release_object( hdr );
1252     return ret;
1253 }
1254
1255 static char *get_computer_name( COMPUTER_NAME_FORMAT format )
1256 {
1257     char *ret;
1258     DWORD size = 0;
1259
1260     GetComputerNameExA( format, NULL, &size );
1261     if (GetLastError() != ERROR_MORE_DATA) return NULL;
1262     if (!(ret = heap_alloc( size ))) return NULL;
1263     if (!GetComputerNameExA( format, ret, &size ))
1264     {
1265         heap_free( ret );
1266         return NULL;
1267     }
1268     return ret;
1269 }
1270
1271 static BOOL is_domain_suffix( const char *domain, const char *suffix )
1272 {
1273     int len_domain = strlen( domain ), len_suffix = strlen( suffix );
1274
1275     if (len_suffix > len_domain) return FALSE;
1276     if (!strcasecmp( domain + len_domain - len_suffix, suffix )) return TRUE;
1277     return FALSE;
1278 }
1279
1280 static int reverse_lookup( const struct addrinfo *ai, char *hostname, size_t len )
1281 {
1282     int ret = -1;
1283 #ifdef HAVE_GETNAMEINFO
1284     ret = getnameinfo( ai->ai_addr, ai->ai_addrlen, hostname, len, NULL, 0, 0 );
1285 #endif
1286     return ret;
1287 }
1288
1289 static WCHAR *build_wpad_url( const char *hostname, const struct addrinfo *ai )
1290 {
1291     static const WCHAR httpW[] = {'h','t','t','p',':','/','/',0};
1292     static const WCHAR wpadW[] = {'/','w','p','a','d','.','d','a','t',0};
1293     char name[NI_MAXHOST];
1294     WCHAR *ret, *p;
1295     int len;
1296
1297     while (ai && ai->ai_family != AF_INET && ai->ai_family != AF_INET6) ai = ai->ai_next;
1298     if (!ai) return NULL;
1299
1300     if (!reverse_lookup( ai, name, sizeof(name) )) hostname = name;
1301
1302     len = strlenW( httpW ) + strlen( hostname ) + strlenW( wpadW );
1303     if (!(ret = p = GlobalAlloc( 0, (len + 1) * sizeof(WCHAR) ))) return NULL;
1304     strcpyW( p, httpW );
1305     p += strlenW( httpW );
1306     while (*hostname) { *p++ = *hostname++; }
1307     strcpyW( p, wpadW );
1308     return ret;
1309 }
1310
1311 static BOOL get_system_proxy_autoconfig_url( char *buf, DWORD buflen )
1312 {
1313 #if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
1314     CFDictionaryRef settings = CFNetworkCopySystemProxySettings();
1315     const void *ref;
1316     BOOL ret = FALSE;
1317
1318     if (!settings) return FALSE;
1319
1320     if (!(ref = CFDictionaryGetValue( settings, kCFNetworkProxiesProxyAutoConfigURLString )))
1321     {
1322         CFRelease( settings );
1323         return FALSE;
1324     }
1325     if (CFStringGetCString( ref, buf, buflen, kCFStringEncodingASCII ))
1326     {
1327         TRACE( "returning %s\n", debugstr_a(buf) );
1328         ret = TRUE;
1329     }
1330     CFRelease( settings );
1331     return ret;
1332 #else
1333     FIXME( "no support on this platform\n" );
1334     return FALSE;
1335 #endif
1336 }
1337
1338 #define INTERNET_MAX_URL_LENGTH 2084
1339
1340 /***********************************************************************
1341  *          WinHttpDetectAutoProxyConfigUrl (winhttp.@)
1342  */
1343 BOOL WINAPI WinHttpDetectAutoProxyConfigUrl( DWORD flags, LPWSTR *url )
1344 {
1345     BOOL ret = FALSE;
1346     char system_url[INTERNET_MAX_URL_LENGTH + 1];
1347
1348     TRACE("0x%08x, %p\n", flags, url);
1349
1350     if (!flags || !url)
1351     {
1352         set_last_error( ERROR_INVALID_PARAMETER );
1353         return FALSE;
1354     }
1355     if (get_system_proxy_autoconfig_url( system_url, sizeof(system_url) ))
1356     {
1357         WCHAR *urlW;
1358
1359         if (!(urlW = strdupAW( system_url ))) return FALSE;
1360         *url = urlW;
1361         return TRUE;
1362     }
1363     if (flags & WINHTTP_AUTO_DETECT_TYPE_DHCP)
1364     {
1365         static int fixme_shown;
1366         if (!fixme_shown++) FIXME("discovery via DHCP not supported\n");
1367     }
1368     if (flags & WINHTTP_AUTO_DETECT_TYPE_DNS_A)
1369     {
1370 #ifdef HAVE_GETADDRINFO
1371         char *fqdn, *domain, *p;
1372
1373         if (!(fqdn = get_computer_name( ComputerNamePhysicalDnsFullyQualified ))) return FALSE;
1374         if (!(domain = get_computer_name( ComputerNamePhysicalDnsDomain )))
1375         {
1376             heap_free( fqdn );
1377             return FALSE;
1378         }
1379         p = fqdn;
1380         while ((p = strchr( p, '.' )) && is_domain_suffix( p + 1, domain ))
1381         {
1382             struct addrinfo *ai;
1383             char *name;
1384             int res;
1385
1386             if (!(name = heap_alloc( sizeof("wpad") + strlen(p) )))
1387             {
1388                 heap_free( fqdn );
1389                 heap_free( domain );
1390                 return FALSE;
1391             }
1392             strcpy( name, "wpad" );
1393             strcat( name, p );
1394             res = getaddrinfo( name, NULL, NULL, &ai );
1395             if (!res)
1396             {
1397                 *url = build_wpad_url( name, ai );
1398                 freeaddrinfo( ai );
1399                 if (*url)
1400                 {
1401                     TRACE("returning %s\n", debugstr_w(*url));
1402                     heap_free( name );
1403                     ret = TRUE;
1404                     break;
1405                 }
1406             }
1407             heap_free( name );
1408             p++;
1409         }
1410         heap_free( domain );
1411         heap_free( fqdn );
1412 #else
1413     FIXME("getaddrinfo not found at build time\n");
1414 #endif
1415     }
1416     if (!ret)
1417     {
1418         set_last_error( ERROR_WINHTTP_AUTODETECTION_FAILED );
1419         *url = NULL;
1420     }
1421     return ret;
1422 }
1423
1424 static const WCHAR Connections[] = {
1425     'S','o','f','t','w','a','r','e','\\',
1426     'M','i','c','r','o','s','o','f','t','\\',
1427     'W','i','n','d','o','w','s','\\',
1428     'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
1429     'I','n','t','e','r','n','e','t',' ','S','e','t','t','i','n','g','s','\\',
1430     'C','o','n','n','e','c','t','i','o','n','s',0 };
1431 static const WCHAR WinHttpSettings[] = {
1432     'W','i','n','H','t','t','p','S','e','t','t','i','n','g','s',0 };
1433 static const DWORD WINHTTP_SETTINGS_MAGIC = 0x18;
1434 static const DWORD WININET_SETTINGS_MAGIC = 0x46;
1435 static const DWORD PROXY_TYPE_DIRECT         = 1;
1436 static const DWORD PROXY_TYPE_PROXY          = 2;
1437 static const DWORD PROXY_USE_PAC_SCRIPT      = 4;
1438 static const DWORD PROXY_AUTODETECT_SETTINGS = 8;
1439
1440 struct connection_settings_header
1441 {
1442     DWORD magic;
1443     DWORD unknown; /* always zero? */
1444     DWORD flags;   /* one or more of PROXY_* */
1445 };
1446
1447 static inline void copy_char_to_wchar_sz(const BYTE *src, DWORD len, WCHAR *dst)
1448 {
1449     const BYTE *begin;
1450
1451     for (begin = src; src - begin < len; src++, dst++)
1452         *dst = *src;
1453     *dst = 0;
1454 }
1455
1456 /***********************************************************************
1457  *          WinHttpGetDefaultProxyConfiguration (winhttp.@)
1458  */
1459 BOOL WINAPI WinHttpGetDefaultProxyConfiguration( WINHTTP_PROXY_INFO *info )
1460 {
1461     LONG l;
1462     HKEY key;
1463     BOOL got_from_reg = FALSE, direct = TRUE;
1464     char *envproxy;
1465
1466     TRACE("%p\n", info);
1467
1468     l = RegOpenKeyExW( HKEY_LOCAL_MACHINE, Connections, 0, KEY_READ, &key );
1469     if (!l)
1470     {
1471         DWORD type, size = 0;
1472
1473         l = RegQueryValueExW( key, WinHttpSettings, NULL, &type, NULL, &size );
1474         if (!l && type == REG_BINARY &&
1475             size >= sizeof(struct connection_settings_header) + 2 * sizeof(DWORD))
1476         {
1477             BYTE *buf = heap_alloc( size );
1478
1479             if (buf)
1480             {
1481                 struct connection_settings_header *hdr =
1482                     (struct connection_settings_header *)buf;
1483                 DWORD *len = (DWORD *)(hdr + 1);
1484
1485                 l = RegQueryValueExW( key, WinHttpSettings, NULL, NULL, buf,
1486                     &size );
1487                 if (!l && hdr->magic == WINHTTP_SETTINGS_MAGIC &&
1488                     hdr->unknown == 0)
1489                 {
1490                     if (hdr->flags & PROXY_TYPE_PROXY)
1491                     {
1492                        BOOL sane = FALSE;
1493                        LPWSTR proxy = NULL;
1494                        LPWSTR proxy_bypass = NULL;
1495
1496                         /* Sanity-check length of proxy string */
1497                         if ((BYTE *)len - buf + *len <= size)
1498                         {
1499                             sane = TRUE;
1500                             proxy = GlobalAlloc( 0, (*len + 1) * sizeof(WCHAR) );
1501                             if (proxy)
1502                                 copy_char_to_wchar_sz( (BYTE *)(len + 1), *len, proxy );
1503                             len = (DWORD *)((BYTE *)(len + 1) + *len);
1504                         }
1505                         if (sane)
1506                         {
1507                             /* Sanity-check length of proxy bypass string */
1508                             if ((BYTE *)len - buf + *len <= size)
1509                             {
1510                                 proxy_bypass = GlobalAlloc( 0, (*len + 1) * sizeof(WCHAR) );
1511                                 if (proxy_bypass)
1512                                     copy_char_to_wchar_sz( (BYTE *)(len + 1), *len, proxy_bypass );
1513                             }
1514                             else
1515                             {
1516                                 sane = FALSE;
1517                                 GlobalFree( proxy );
1518                                 proxy = NULL;
1519                             }
1520                         }
1521                         info->lpszProxy = proxy;
1522                         info->lpszProxyBypass = proxy_bypass;
1523                         if (sane)
1524                         {
1525                             got_from_reg = TRUE;
1526                             direct = FALSE;
1527                             info->dwAccessType =
1528                                 WINHTTP_ACCESS_TYPE_NAMED_PROXY;
1529                             TRACE("http proxy (from registry) = %s, bypass = %s\n",
1530                                 debugstr_w(info->lpszProxy),
1531                                 debugstr_w(info->lpszProxyBypass));
1532                         }
1533                     }
1534                 }
1535                 heap_free( buf );
1536             }
1537         }
1538         RegCloseKey( key );
1539     }
1540     if (!got_from_reg && (envproxy = getenv( "http_proxy" )))
1541     {
1542         char *colon, *http_proxy;
1543
1544         if ((colon = strchr( envproxy, ':' )))
1545         {
1546             if (*(colon + 1) == '/' && *(colon + 2) == '/')
1547             {
1548                 static const char http[] = "http://";
1549
1550                 /* It's a scheme, check that it's http */
1551                 if (!strncmp( envproxy, http, strlen( http ) ))
1552                     http_proxy = envproxy + strlen( http );
1553                 else
1554                 {
1555                     WARN("unsupported scheme in $http_proxy: %s\n", envproxy);
1556                     http_proxy = NULL;
1557                 }
1558             }
1559             else
1560                 http_proxy = envproxy;
1561         }
1562         else
1563             http_proxy = envproxy;
1564         if (http_proxy)
1565         {
1566             WCHAR *http_proxyW;
1567             int len;
1568
1569             len = MultiByteToWideChar( CP_UNIXCP, 0, http_proxy, -1, NULL, 0 );
1570             if ((http_proxyW = GlobalAlloc( 0, len * sizeof(WCHAR))))
1571             {
1572                 MultiByteToWideChar( CP_UNIXCP, 0, http_proxy, -1, http_proxyW, len );
1573                 direct = FALSE;
1574                 info->dwAccessType = WINHTTP_ACCESS_TYPE_NAMED_PROXY;
1575                 info->lpszProxy = http_proxyW;
1576                 info->lpszProxyBypass = NULL;
1577                 TRACE("http proxy (from environment) = %s\n",
1578                     debugstr_w(info->lpszProxy));
1579             }
1580         }
1581     }
1582     if (direct)
1583     {
1584         info->dwAccessType    = WINHTTP_ACCESS_TYPE_NO_PROXY;
1585         info->lpszProxy       = NULL;
1586         info->lpszProxyBypass = NULL;
1587     }
1588     return TRUE;
1589 }
1590
1591 /***********************************************************************
1592  *          WinHttpGetIEProxyConfigForCurrentUser (winhttp.@)
1593  */
1594 BOOL WINAPI WinHttpGetIEProxyConfigForCurrentUser( WINHTTP_CURRENT_USER_IE_PROXY_CONFIG *config )
1595 {
1596     static const WCHAR settingsW[] =
1597         {'D','e','f','a','u','l','t','C','o','n','n','e','c','t','i','o','n','S','e','t','t','i','n','g','s',0};
1598     HKEY hkey = NULL;
1599     struct connection_settings_header *hdr = NULL;
1600     DWORD type, offset, len, size = 0;
1601     BOOL ret = FALSE;
1602
1603     TRACE("%p\n", config);
1604
1605     if (!config)
1606     {
1607         set_last_error( ERROR_INVALID_PARAMETER );
1608         return FALSE;
1609     }
1610     memset( config, 0, sizeof(*config) );
1611     config->fAutoDetect = TRUE;
1612
1613     if (RegOpenKeyExW( HKEY_CURRENT_USER, Connections, 0, KEY_READ, &hkey ) ||
1614         RegQueryValueExW( hkey, settingsW, NULL, &type, NULL, &size ) ||
1615         type != REG_BINARY || size < sizeof(struct connection_settings_header))
1616     {
1617         ret = TRUE;
1618         goto done;
1619     }
1620     if (!(hdr = heap_alloc( size ))) goto done;
1621     if (RegQueryValueExW( hkey, settingsW, NULL, &type, (BYTE *)hdr, &size ) ||
1622         hdr->magic != WININET_SETTINGS_MAGIC)
1623     {
1624         ret = TRUE;
1625         goto done;
1626     }
1627
1628     config->fAutoDetect = (hdr->flags & PROXY_AUTODETECT_SETTINGS) != 0;
1629     offset = sizeof(*hdr);
1630     if (offset + sizeof(DWORD) > size) goto done;
1631     len = *(DWORD *)((char *)hdr + offset);
1632     offset += sizeof(DWORD);
1633     if (len && hdr->flags & PROXY_TYPE_PROXY)
1634     {
1635         if (!(config->lpszProxy = GlobalAlloc( 0, (len + 1) * sizeof(WCHAR) ))) goto done;
1636         copy_char_to_wchar_sz( (const BYTE *)hdr + offset , len, config->lpszProxy );
1637     }
1638     offset += len;
1639     if (offset + sizeof(DWORD) > size) goto done;
1640     len = *(DWORD *)((char *)hdr + offset);
1641     offset += sizeof(DWORD);
1642     if (len && (hdr->flags & PROXY_TYPE_PROXY))
1643     {
1644         if (!(config->lpszProxyBypass = GlobalAlloc( 0, (len + 1) * sizeof(WCHAR) ))) goto done;
1645         copy_char_to_wchar_sz( (const BYTE *)hdr + offset , len, config->lpszProxyBypass );
1646     }
1647     offset += len;
1648     if (offset + sizeof(DWORD) > size) goto done;
1649     len = *(DWORD *)((char *)hdr + offset);
1650     offset += sizeof(DWORD);
1651     if (len && (hdr->flags & PROXY_USE_PAC_SCRIPT))
1652     {
1653         if (!(config->lpszAutoConfigUrl = GlobalAlloc( 0, (len + 1) * sizeof(WCHAR) ))) goto done;
1654         copy_char_to_wchar_sz( (const BYTE *)hdr + offset , len, config->lpszAutoConfigUrl );
1655     }
1656     ret = TRUE;
1657
1658 done:
1659     RegCloseKey( hkey );
1660     heap_free( hdr );
1661     if (!ret)
1662     {
1663         GlobalFree( config->lpszAutoConfigUrl );
1664         config->lpszAutoConfigUrl = NULL;
1665         GlobalFree( config->lpszProxy );
1666         config->lpszProxy = NULL;
1667         GlobalFree( config->lpszProxyBypass );
1668         config->lpszProxyBypass = NULL;
1669     }
1670     return ret;
1671 }
1672
1673 static BOOL parse_script_result( const char *result, WINHTTP_PROXY_INFO *info )
1674 {
1675     const char *p;
1676     WCHAR *q;
1677     int len;
1678
1679     info->dwAccessType    = WINHTTP_ACCESS_TYPE_NO_PROXY;
1680     info->lpszProxy       = NULL;
1681     info->lpszProxyBypass = NULL;
1682
1683     TRACE("%s\n", debugstr_a( result ));
1684
1685     p = result;
1686     while (*p == ' ') p++;
1687     len = strlen( p );
1688     if (len >= 5 && !strncasecmp( p, "PROXY", sizeof("PROXY") - 1 ))
1689     {
1690         p += 5;
1691         while (*p == ' ') p++;
1692         if (!*p || *p == ';') return TRUE;
1693         if (!(info->lpszProxy = q = strdupAW( p ))) return FALSE;
1694         info->dwAccessType = WINHTTP_ACCESS_TYPE_NAMED_PROXY;
1695         for (; *q; q++)
1696         {
1697             if (*q == ' ' || *q == ';')
1698             {
1699                 *q = 0;
1700                 break;
1701             }
1702         }
1703     }
1704     return TRUE;
1705 }
1706
1707 static char *download_script( const WCHAR *url, DWORD *out_size )
1708 {
1709     static const WCHAR typeW[] = {'*','/','*',0};
1710     static const WCHAR *acceptW[] = {typeW, NULL};
1711     HINTERNET ses, con = NULL, req = NULL;
1712     WCHAR *hostname;
1713     URL_COMPONENTSW uc;
1714     DWORD status, size = sizeof(status), offset, to_read, bytes_read, flags = 0;
1715     char *tmp, *buffer = NULL;
1716
1717     *out_size = 0;
1718
1719     memset( &uc, 0, sizeof(uc) );
1720     uc.dwStructSize = sizeof(uc);
1721     if (!WinHttpCrackUrl( url, 0, 0, &uc )) return NULL;
1722     if (!(hostname = heap_alloc( (uc.dwHostNameLength + 1) * sizeof(WCHAR) ))) return NULL;
1723     memcpy( hostname, uc.lpszHostName, uc.dwHostNameLength * sizeof(WCHAR) );
1724     hostname[uc.dwHostNameLength] = 0;
1725
1726     if (!(ses = WinHttpOpen( NULL, WINHTTP_ACCESS_TYPE_NO_PROXY, NULL, NULL, 0 ))) goto done;
1727     if (!(con = WinHttpConnect( ses, hostname, uc.nPort, 0 ))) goto done;
1728     if (uc.nScheme == INTERNET_SCHEME_HTTPS) flags |= WINHTTP_FLAG_SECURE;
1729     if (!(req = WinHttpOpenRequest( con, NULL, uc.lpszUrlPath, NULL, NULL, acceptW, flags ))) goto done;
1730     if (!WinHttpSendRequest( req, NULL, 0, NULL, 0, 0, 0 )) goto done;
1731
1732     if (!(WinHttpReceiveResponse( req, 0 ))) goto done;
1733     if (!WinHttpQueryHeaders( req, WINHTTP_QUERY_STATUS_CODE|WINHTTP_QUERY_FLAG_NUMBER, NULL, &status,
1734         &size, NULL ) || status != HTTP_STATUS_OK) goto done;
1735
1736     size = 4096;
1737     if (!(buffer = heap_alloc( size ))) goto done;
1738     to_read = size;
1739     offset = 0;
1740     for (;;)
1741     {
1742         if (!WinHttpReadData( req, buffer + offset, to_read, &bytes_read )) goto done;
1743         if (!bytes_read) break;
1744         to_read -= bytes_read;
1745         offset += bytes_read;
1746         *out_size += bytes_read;
1747         if (!to_read)
1748         {
1749             to_read = size;
1750             size *= 2;
1751             if (!(tmp = heap_realloc( buffer, size ))) goto done;
1752             buffer = tmp;
1753         }
1754     }
1755
1756 done:
1757     WinHttpCloseHandle( req );
1758     WinHttpCloseHandle( con );
1759     WinHttpCloseHandle( ses );
1760     heap_free( hostname );
1761     if (!buffer) set_last_error( ERROR_WINHTTP_UNABLE_TO_DOWNLOAD_SCRIPT );
1762     return buffer;
1763 }
1764
1765 struct AUTO_PROXY_SCRIPT_BUFFER
1766 {
1767     DWORD dwStructSize;
1768     LPSTR lpszScriptBuffer;
1769     DWORD dwScriptBufferSize;
1770 };
1771
1772 BOOL WINAPI InternetDeInitializeAutoProxyDll(LPSTR, DWORD);
1773 BOOL WINAPI InternetGetProxyInfo(LPCSTR, DWORD, LPSTR, DWORD, LPSTR *, LPDWORD);
1774 BOOL WINAPI InternetInitializeAutoProxyDll(DWORD, LPSTR, LPSTR, void *, struct AUTO_PROXY_SCRIPT_BUFFER *);
1775
1776 static BOOL run_script( char *script, DWORD size, const WCHAR *url, WINHTTP_PROXY_INFO *info )
1777 {
1778     BOOL ret;
1779     char *result, *urlA;
1780     DWORD len_result;
1781     struct AUTO_PROXY_SCRIPT_BUFFER buffer;
1782
1783     buffer.dwStructSize = sizeof(buffer);
1784     buffer.lpszScriptBuffer = script;
1785     buffer.dwScriptBufferSize = size;
1786
1787     if (!(urlA = strdupWA( url ))) return FALSE;
1788     if (!(ret = InternetInitializeAutoProxyDll( 0, NULL, NULL, NULL, &buffer )))
1789     {
1790         heap_free( urlA );
1791         return FALSE;
1792     }
1793     if ((ret = InternetGetProxyInfo( urlA, strlen(urlA), NULL, 0, &result, &len_result )))
1794     {
1795         ret = parse_script_result( result, info );
1796         heap_free( result );
1797     }
1798     heap_free( urlA );
1799     return InternetDeInitializeAutoProxyDll( NULL, 0 );
1800 }
1801
1802 /***********************************************************************
1803  *          WinHttpGetProxyForUrl (winhttp.@)
1804  */
1805 BOOL WINAPI WinHttpGetProxyForUrl( HINTERNET hsession, LPCWSTR url, WINHTTP_AUTOPROXY_OPTIONS *options,
1806                                    WINHTTP_PROXY_INFO *info )
1807 {
1808     WCHAR *detected_pac_url = NULL;
1809     const WCHAR *pac_url;
1810     session_t *session;
1811     char *script;
1812     DWORD size;
1813     BOOL ret = FALSE;
1814
1815     TRACE("%p, %s, %p, %p\n", hsession, debugstr_w(url), options, info);
1816
1817     if (!(session = (session_t *)grab_object( hsession )))
1818     {
1819         set_last_error( ERROR_INVALID_HANDLE );
1820         return FALSE;
1821     }
1822     if (session->hdr.type != WINHTTP_HANDLE_TYPE_SESSION)
1823     {
1824         release_object( &session->hdr );
1825         set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
1826         return FALSE;
1827     }
1828     if (!url || !options || !info ||
1829         !(options->dwFlags & (WINHTTP_AUTOPROXY_AUTO_DETECT|WINHTTP_AUTOPROXY_CONFIG_URL)) ||
1830         ((options->dwFlags & WINHTTP_AUTOPROXY_AUTO_DETECT) && !options->dwAutoDetectFlags) ||
1831         ((options->dwFlags & WINHTTP_AUTOPROXY_AUTO_DETECT) &&
1832          (options->dwFlags & WINHTTP_AUTOPROXY_CONFIG_URL)))
1833     {
1834         release_object( &session->hdr );
1835         set_last_error( ERROR_INVALID_PARAMETER );
1836         return FALSE;
1837     }
1838     if (options->dwFlags & WINHTTP_AUTOPROXY_AUTO_DETECT &&
1839         !WinHttpDetectAutoProxyConfigUrl( options->dwAutoDetectFlags, &detected_pac_url ))
1840         goto done;
1841
1842     if (options->dwFlags & WINHTTP_AUTOPROXY_CONFIG_URL) pac_url = options->lpszAutoConfigUrl;
1843     else pac_url = detected_pac_url;
1844
1845     if ((script = download_script( pac_url, &size )))
1846     {
1847         ret = run_script( script, size, url, info );
1848         heap_free( script );
1849     }
1850
1851 done:
1852     GlobalFree( detected_pac_url );
1853     release_object( &session->hdr );
1854     return ret;
1855 }
1856
1857 /***********************************************************************
1858  *          WinHttpSetDefaultProxyConfiguration (winhttp.@)
1859  */
1860 BOOL WINAPI WinHttpSetDefaultProxyConfiguration( WINHTTP_PROXY_INFO *info )
1861 {
1862     LONG l;
1863     HKEY key;
1864     BOOL ret = FALSE;
1865     const WCHAR *src;
1866
1867     TRACE("%p\n", info);
1868
1869     if (!info)
1870     {
1871         set_last_error( ERROR_INVALID_PARAMETER );
1872         return FALSE;
1873     }
1874     switch (info->dwAccessType)
1875     {
1876     case WINHTTP_ACCESS_TYPE_NO_PROXY:
1877         break;
1878     case WINHTTP_ACCESS_TYPE_NAMED_PROXY:
1879         if (!info->lpszProxy)
1880         {
1881             set_last_error( ERROR_INVALID_PARAMETER );
1882             return FALSE;
1883         }
1884         /* Only ASCII characters are allowed */
1885         for (src = info->lpszProxy; *src; src++)
1886             if (*src > 0x7f)
1887             {
1888                 set_last_error( ERROR_INVALID_PARAMETER );
1889                 return FALSE;
1890             }
1891         if (info->lpszProxyBypass)
1892         {
1893             for (src = info->lpszProxyBypass; *src; src++)
1894                 if (*src > 0x7f)
1895                 {
1896                     set_last_error( ERROR_INVALID_PARAMETER );
1897                     return FALSE;
1898                 }
1899         }
1900         break;
1901     default:
1902         set_last_error( ERROR_INVALID_PARAMETER );
1903         return FALSE;
1904     }
1905
1906     l = RegCreateKeyExW( HKEY_LOCAL_MACHINE, Connections, 0, NULL, 0,
1907         KEY_WRITE, NULL, &key, NULL );
1908     if (!l)
1909     {
1910         DWORD size = sizeof(struct connection_settings_header) + 2 * sizeof(DWORD);
1911         BYTE *buf;
1912
1913         if (info->dwAccessType == WINHTTP_ACCESS_TYPE_NAMED_PROXY)
1914         {
1915             size += strlenW( info->lpszProxy );
1916             if (info->lpszProxyBypass)
1917                 size += strlenW( info->lpszProxyBypass );
1918         }
1919         buf = heap_alloc( size );
1920         if (buf)
1921         {
1922             struct connection_settings_header *hdr =
1923                 (struct connection_settings_header *)buf;
1924             DWORD *len = (DWORD *)(hdr + 1);
1925
1926             hdr->magic = WINHTTP_SETTINGS_MAGIC;
1927             hdr->unknown = 0;
1928             if (info->dwAccessType == WINHTTP_ACCESS_TYPE_NAMED_PROXY)
1929             {
1930                 BYTE *dst;
1931
1932                 hdr->flags = PROXY_TYPE_PROXY;
1933                 *len++ = strlenW( info->lpszProxy );
1934                 for (dst = (BYTE *)len, src = info->lpszProxy; *src;
1935                     src++, dst++)
1936                     *dst = *src;
1937                 len = (DWORD *)dst;
1938                 if (info->lpszProxyBypass)
1939                 {
1940                     *len++ = strlenW( info->lpszProxyBypass );
1941                     for (dst = (BYTE *)len, src = info->lpszProxyBypass; *src;
1942                         src++, dst++)
1943                         *dst = *src;
1944                 }
1945                 else
1946                     *len++ = 0;
1947             }
1948             else
1949             {
1950                 hdr->flags = PROXY_TYPE_DIRECT;
1951                 *len++ = 0;
1952                 *len++ = 0;
1953             }
1954             l = RegSetValueExW( key, WinHttpSettings, 0, REG_BINARY, buf, size );
1955             if (!l)
1956                 ret = TRUE;
1957             heap_free( buf );
1958         }
1959         RegCloseKey( key );
1960     }
1961     return ret;
1962 }
1963
1964 /***********************************************************************
1965  *          WinHttpSetStatusCallback (winhttp.@)
1966  */
1967 WINHTTP_STATUS_CALLBACK WINAPI WinHttpSetStatusCallback( HINTERNET handle, WINHTTP_STATUS_CALLBACK callback,
1968                                                          DWORD flags, DWORD_PTR reserved )
1969 {
1970     object_header_t *hdr;
1971     WINHTTP_STATUS_CALLBACK ret;
1972
1973     TRACE("%p, %p, 0x%08x, 0x%lx\n", handle, callback, flags, reserved);
1974
1975     if (!(hdr = grab_object( handle )))
1976     {
1977         set_last_error( ERROR_INVALID_HANDLE );
1978         return WINHTTP_INVALID_STATUS_CALLBACK;
1979     }
1980     ret = hdr->callback;
1981     hdr->callback = callback;
1982     hdr->notify_mask = flags;
1983
1984     release_object( hdr );
1985     return ret;
1986 }
1987
1988 /***********************************************************************
1989  *          WinHttpSetTimeouts (winhttp.@)
1990  */
1991 BOOL WINAPI WinHttpSetTimeouts( HINTERNET handle, int resolve, int connect, int send, int receive )
1992 {
1993     BOOL ret = TRUE;
1994     object_header_t *hdr;
1995     request_t *request;
1996     session_t *session;
1997
1998     TRACE("%p, %d, %d, %d, %d\n", handle, resolve, connect, send, receive);
1999
2000     if (resolve < -1 || connect < -1 || send < -1 || receive < -1)
2001     {
2002         set_last_error( ERROR_INVALID_PARAMETER );
2003         return FALSE;
2004     }
2005
2006     if (!(hdr = grab_object( handle )))
2007     {
2008         set_last_error( ERROR_INVALID_HANDLE );
2009         return FALSE;
2010     }
2011
2012     switch(hdr->type)
2013     {
2014         case WINHTTP_HANDLE_TYPE_REQUEST:
2015             request = (request_t *)hdr;
2016             request->connect_timeout = connect;
2017
2018             if (resolve < 0) resolve = 0;
2019             request->resolve_timeout = resolve;
2020
2021             if (send < 0) send = 0;
2022             request->send_timeout = send;
2023
2024             if (receive < 0) receive = 0;
2025             request->recv_timeout = receive;
2026
2027             if (netconn_connected( &request->netconn ))
2028             {
2029                 if (netconn_set_timeout( &request->netconn, TRUE, send )) ret = FALSE;
2030                 if (netconn_set_timeout( &request->netconn, FALSE, receive )) ret = FALSE;
2031             }
2032
2033             release_object( &request->hdr );
2034             break;
2035
2036         case WINHTTP_HANDLE_TYPE_SESSION:
2037             session = (session_t *)hdr;
2038             session->connect_timeout = connect;
2039
2040             if (resolve < 0) resolve = 0;
2041             session->resolve_timeout = resolve;
2042
2043             if (send < 0) send = 0;
2044             session->send_timeout = send;
2045
2046             if (receive < 0) receive = 0;
2047             session->recv_timeout = receive;
2048             break;
2049
2050         default:
2051             release_object( hdr );
2052             set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
2053             return FALSE;
2054     }
2055     return ret;
2056 }
2057
2058 static const WCHAR wkday[7][4] =
2059     {{'S','u','n', 0}, {'M','o','n', 0}, {'T','u','e', 0}, {'W','e','d', 0},
2060      {'T','h','u', 0}, {'F','r','i', 0}, {'S','a','t', 0}};
2061 static const WCHAR month[12][4] =
2062     {{'J','a','n', 0}, {'F','e','b', 0}, {'M','a','r', 0}, {'A','p','r', 0},
2063      {'M','a','y', 0}, {'J','u','n', 0}, {'J','u','l', 0}, {'A','u','g', 0},
2064      {'S','e','p', 0}, {'O','c','t', 0}, {'N','o','v', 0}, {'D','e','c', 0}};
2065
2066 /***********************************************************************
2067  *           WinHttpTimeFromSystemTime (WININET.@)
2068  */
2069 BOOL WINAPI WinHttpTimeFromSystemTime( const SYSTEMTIME *time, LPWSTR string )
2070 {
2071     static const WCHAR format[] =
2072         {'%','s',',',' ','%','0','2','d',' ','%','s',' ','%','4','d',' ','%','0',
2073          '2','d',':','%','0','2','d',':','%','0','2','d',' ','G','M','T', 0};
2074
2075     TRACE("%p, %p\n", time, string);
2076
2077     if (!time || !string) return FALSE;
2078
2079     sprintfW( string, format,
2080               wkday[time->wDayOfWeek],
2081               time->wDay,
2082               month[time->wMonth - 1],
2083               time->wYear,
2084               time->wHour,
2085               time->wMinute,
2086               time->wSecond );
2087
2088     return TRUE;
2089 }
2090
2091 /***********************************************************************
2092  *           WinHttpTimeToSystemTime (WININET.@)
2093  */
2094 BOOL WINAPI WinHttpTimeToSystemTime( LPCWSTR string, SYSTEMTIME *time )
2095 {
2096     unsigned int i;
2097     const WCHAR *s = string;
2098     WCHAR *end;
2099
2100     TRACE("%s, %p\n", debugstr_w(string), time);
2101
2102     if (!string || !time) return FALSE;
2103
2104     /* Windows does this too */
2105     GetSystemTime( time );
2106
2107     /*  Convert an RFC1123 time such as 'Fri, 07 Jan 2005 12:06:35 GMT' into
2108      *  a SYSTEMTIME structure.
2109      */
2110
2111     while (*s && !isalphaW( *s )) s++;
2112     if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
2113     time->wDayOfWeek = 7;
2114
2115     for (i = 0; i < 7; i++)
2116     {
2117         if (toupperW( wkday[i][0] ) == toupperW( s[0] ) &&
2118             toupperW( wkday[i][1] ) == toupperW( s[1] ) &&
2119             toupperW( wkday[i][2] ) == toupperW( s[2] ) )
2120         {
2121             time->wDayOfWeek = i;
2122             break;
2123         }
2124     }
2125
2126     if (time->wDayOfWeek > 6) return TRUE;
2127     while (*s && !isdigitW( *s )) s++;
2128     time->wDay = strtolW( s, &end, 10 );
2129     s = end;
2130
2131     while (*s && !isalphaW( *s )) s++;
2132     if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
2133     time->wMonth = 0;
2134
2135     for (i = 0; i < 12; i++)
2136     {
2137         if (toupperW( month[i][0]) == toupperW( s[0] ) &&
2138             toupperW( month[i][1]) == toupperW( s[1] ) &&
2139             toupperW( month[i][2]) == toupperW( s[2] ) )
2140         {
2141             time->wMonth = i + 1;
2142             break;
2143         }
2144     }
2145     if (time->wMonth == 0) return TRUE;
2146
2147     while (*s && !isdigitW( *s )) s++;
2148     if (*s == '\0') return TRUE;
2149     time->wYear = strtolW( s, &end, 10 );
2150     s = end;
2151
2152     while (*s && !isdigitW( *s )) s++;
2153     if (*s == '\0') return TRUE;
2154     time->wHour = strtolW( s, &end, 10 );
2155     s = end;
2156
2157     while (*s && !isdigitW( *s )) s++;
2158     if (*s == '\0') return TRUE;
2159     time->wMinute = strtolW( s, &end, 10 );
2160     s = end;
2161
2162     while (*s && !isdigitW( *s )) s++;
2163     if (*s == '\0') return TRUE;
2164     time->wSecond = strtolW( s, &end, 10 );
2165
2166     time->wMilliseconds = 0;
2167     return TRUE;
2168 }