dlls/wininet/http.c

   1 /*
   2  * Wininet - Http Implementation
   3  *
   4  * Copyright 1999 Corel Corporation
   5  *
   6  * Ulrich Czekalla
   7  *
   8  */
   9
  10 #include "config.h"
  11
  12 #include "windef.h"
  13 #include "winbase.h"
  14 #include "wininet.h"
  15 #include "debugtools.h"
  16 #include "winerror.h"
  17 #include "winsock.h"
  18 #include "shlwapi.h"
  19
  20 #include <sys/types.h>
  21 #ifdef HAVE_SYS_SOCKET_H
  22 # include <sys/socket.h>
  23 #endif
  24 #ifdef HAVE_NETDB_H
  25 # include <netdb.h>
  26 #endif
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <unistd.h>
  30 #include <errno.h>
  31 #include <string.h>
  32 #include <time.h>
  33
  34 #include "internet.h"
  35
  36 DEFAULT_DEBUG_CHANNEL(wininet);
  37
  38 #define HTTPHEADER " HTTP/1.0"
  39 #define HTTPHOSTHEADER "\r\nHost: "
  40 #define MAXHOSTNAME 100
  41 #define MAX_FIELD_VALUE_LEN 256
  42 #define MAX_FIELD_LEN 256
  43
  44
  45 #define HTTP_REFERER    "Referer"
  46 #define HTTP_ACCEPT             "Accept"
  47
  48 #define HTTP_ADDHDR_FLAG_ADD                            0x20000000
  49 #define HTTP_ADDHDR_FLAG_ADD_IF_NEW                     0x10000000
  50 #define HTTP_ADDHDR_FLAG_COALESCE                       0x40000000
  51 #define HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA            0x40000000
  52 #define HTTP_ADDHDR_FLAG_COALESCE_WITH_SEMICOLON        0x01000000
  53 #define HTTP_ADDHDR_FLAG_REPLACE                        0x80000000
  54 #define HTTP_ADDHDR_FLAG_REQ                            0x02000000
  55
  56
  57 BOOL HTTP_OpenConnection(LPWININETHTTPREQA lpwhr);
  58 int HTTP_WriteDataToStream(LPWININETHTTPREQA lpwhr,
  59         void *Buffer, int BytesToWrite);
  60 int HTTP_ReadDataFromStream(LPWININETHTTPREQA lpwhr,
  61         void *Buffer, int BytesToRead);
  62 BOOL HTTP_GetResponseHeaders(LPWININETHTTPREQA lpwhr);
  63 BOOL HTTP_ProcessHeader(LPWININETHTTPREQA lpwhr, LPCSTR field, LPCSTR value, DWORD dwModifier);
  64 void HTTP_CloseConnection(LPWININETHTTPREQA lpwhr);
  65 BOOL HTTP_InterpretHttpHeader(LPSTR buffer, LPSTR field, INT fieldlen, LPSTR value, INT valuelen);
  66 INT HTTP_GetStdHeaderIndex(LPCSTR lpszField);
  67 INT HTTP_InsertCustomHeader(LPWININETHTTPREQA lpwhr, LPHTTPHEADERA lpHdr);
  68 INT HTTP_GetCustomHeaderIndex(LPWININETHTTPREQA lpwhr, LPCSTR lpszField);
  69
  70 inline static LPSTR HTTP_strdup( LPCSTR str )
  71 {
  72     LPSTR ret = HeapAlloc( GetProcessHeap(), 0, strlen(str) + 1 );
  73     if (ret) strcpy( ret, str );
  74     return ret;
  75 }
  76
  77 /***********************************************************************
  78  *           HttpAddRequestHeadersA (WININET.68)
  79  *
  80  * Adds one or more HTTP header to the request handler
  81  *
  82  * RETURNS
  83  *    TRUE  on success
  84  *    FALSE on failure
  85  *
  86  */
  87 INTERNETAPI BOOL WINAPI HttpAddRequestHeadersA(HINTERNET hHttpRequest,
  88         LPCSTR lpszHeader, DWORD dwHeaderLength, DWORD dwModifier)
  89 {
  90     LPSTR lpszStart;
  91     LPSTR lpszEnd;
  92     LPSTR buffer;
  93     CHAR value[MAX_FIELD_VALUE_LEN], field[MAX_FIELD_LEN];
  94     BOOL bSuccess = FALSE;
  95     LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
  96
  97     if (NULL == lpwhr ||  lpwhr->hdr.htype != WH_HHTTPREQ)
  98     {
  99         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 100         return FALSE;
 101     }
 102
 103     buffer = HTTP_strdup(lpszHeader);
 104     lpszStart = buffer;
 105
 106     do
 107     {
 108         lpszEnd = lpszStart;
 109
 110         while (*lpszEnd != '\0')
 111         {
 112             if (*lpszEnd == '\r' && *(lpszEnd + 1) == '\n')
 113                  break;
 114             lpszEnd++;
 115         }
 116
 117         if (*lpszEnd == '\0')
 118             break;
 119
 120         *lpszEnd = '\0';
 121
 122         if (HTTP_InterpretHttpHeader(lpszStart, field, MAX_FIELD_LEN, value, MAX_FIELD_VALUE_LEN))
 123             bSuccess = HTTP_ProcessHeader(lpwhr, field, value, dwModifier | HTTP_ADDHDR_FLAG_REQ);
 124
 125         lpszStart = lpszEnd + 2; /* Jump over \0\n */
 126
 127     } while (bSuccess);
 128
 129     HeapFree(GetProcessHeap(), 0, buffer);
 130     return bSuccess;
 131 }
 132
 133
 134 /***********************************************************************
 135  *           HttpOpenRequestA (WININET.72)
 136  *
 137  * Open a HTTP request handle
 138  *
 139  * RETURNS
 140  *    HINTERNET  a HTTP request handle on success
 141  *    NULL       on failure
 142  *
 143  */
 144 INTERNETAPI HINTERNET WINAPI HttpOpenRequestA(HINTERNET hHttpSession,
 145         LPCSTR lpszVerb, LPCSTR lpszObjectName, LPCSTR lpszVersion,
 146         LPCSTR lpszReferrer , LPCSTR *lpszAcceptTypes,
 147         DWORD dwFlags, DWORD dwContext)
 148 {
 149     LPWININETHTTPSESSIONA lpwhs = (LPWININETHTTPSESSIONA) hHttpSession;
 150     LPWININETAPPINFOA hIC = NULL;
 151
 152     TRACE("\n");
 153
 154     if (NULL == lpwhs ||  lpwhs->hdr.htype != WH_HHTTPSESSION)
 155     {
 156         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 157         return FALSE;
 158     }
 159
 160     hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
 161
 162     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
 163     {
 164         WORKREQUEST workRequest;
 165
 166         workRequest.asyncall = HTTPOPENREQUESTA;
 167         workRequest.HFTPSESSION = (DWORD)hHttpSession;
 168         workRequest.LPSZVERB = (DWORD)HTTP_strdup(lpszVerb);
 169         workRequest.LPSZOBJECTNAME = (DWORD)HTTP_strdup(lpszObjectName);
 170         workRequest.LPSZVERSION = (DWORD)HTTP_strdup(lpszVersion);
 171         workRequest.LPSZREFERRER = (DWORD)HTTP_strdup(lpszReferrer);
 172         workRequest.LPSZACCEPTTYPES = (DWORD)lpszAcceptTypes;
 173         workRequest.DWFLAGS = dwFlags;
 174         workRequest.DWCONTEXT = dwContext;
 175
 176         return (HINTERNET)INTERNET_AsyncCall(&workRequest);
 177     }
 178     else
 179     {
 180         return HTTP_HttpOpenRequestA(hHttpSession, lpszVerb, lpszObjectName,
 181                 lpszVersion, lpszReferrer, lpszAcceptTypes, dwFlags, dwContext);
 182     }
 183 }
 184
 185
 186 /***********************************************************************
 187  *           HTTP_HttpOpenRequestA (internal)
 188  *
 189  * Open a HTTP request handle
 190  *
 191  * RETURNS
 192  *    HINTERNET  a HTTP request handle on success
 193  *    NULL       on failure
 194  *
 195  */
 196 INTERNETAPI HINTERNET WINAPI HTTP_HttpOpenRequestA(HINTERNET hHttpSession,
 197         LPCSTR lpszVerb, LPCSTR lpszObjectName, LPCSTR lpszVersion,
 198         LPCSTR lpszReferrer , LPCSTR *lpszAcceptTypes,
 199         DWORD dwFlags, DWORD dwContext)
 200 {
 201     LPWININETHTTPSESSIONA lpwhs = (LPWININETHTTPSESSIONA) hHttpSession;
 202     LPWININETAPPINFOA hIC = NULL;
 203     LPWININETHTTPREQA lpwhr;
 204
 205     TRACE("\n");
 206
 207     if (NULL == lpwhs ||  lpwhs->hdr.htype != WH_HHTTPSESSION)
 208     {
 209         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 210         return FALSE;
 211     }
 212
 213     hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
 214
 215     lpwhr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WININETHTTPREQA));
 216     if (NULL == lpwhr)
 217     {
 218         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 219         return (HINTERNET) NULL;
 220     }
 221
 222     lpwhr->hdr.htype = WH_HHTTPREQ;
 223     lpwhr->hdr.lpwhparent = hHttpSession;
 224     lpwhr->hdr.dwFlags = dwFlags;
 225     lpwhr->hdr.dwContext = dwContext;
 226     lpwhr->nSocketFD = INVALID_SOCKET;
 227
 228     if (NULL != lpszObjectName && strlen(lpszObjectName)) {
 229         DWORD needed = 0;
 230         UrlEscapeA(lpszObjectName, NULL, &needed, URL_ESCAPE_SPACES_ONLY);
 231         lpwhr->lpszPath = HeapAlloc(GetProcessHeap(), 0, needed);
 232         UrlEscapeA(lpszObjectName, lpwhr->lpszPath, &needed,
 233                    URL_ESCAPE_SPACES_ONLY);
 234     }
 235
 236     if (NULL != lpszReferrer && strlen(lpszReferrer))
 237         HTTP_ProcessHeader(lpwhr, HTTP_REFERER, lpszReferrer, HTTP_ADDHDR_FLAG_COALESCE);
 238
 239     //! FIXME
 240     if (NULL != lpszAcceptTypes && strlen(*lpszAcceptTypes))
 241         HTTP_ProcessHeader(lpwhr, HTTP_ACCEPT, *lpszAcceptTypes, HTTP_ADDHDR_FLAG_COALESCE);
 242
 243     if (NULL == lpszVerb)
 244         lpwhr->lpszVerb = HTTP_strdup("GET");
 245     else if (strlen(lpszVerb))
 246         lpwhr->lpszVerb = HTTP_strdup(lpszVerb);
 247
 248     if (NULL != lpszReferrer)
 249     {
 250         char buf[MAXHOSTNAME];
 251         URL_COMPONENTSA UrlComponents;
 252
 253         UrlComponents.lpszExtraInfo = NULL;
 254         UrlComponents.lpszPassword = NULL;
 255         UrlComponents.lpszScheme = NULL;
 256         UrlComponents.lpszUrlPath = NULL;
 257         UrlComponents.lpszUserName = NULL;
 258         UrlComponents.lpszHostName = buf;
 259         UrlComponents.dwHostNameLength = MAXHOSTNAME;
 260
 261         InternetCrackUrlA(lpszReferrer, 0, 0, &UrlComponents);
 262         if (strlen(UrlComponents.lpszHostName))
 263             lpwhr->lpszHostName = HTTP_strdup(UrlComponents.lpszHostName);
 264     } else {
 265         lpwhr->lpszHostName = HTTP_strdup(lpwhs->lpszServerName);
 266     }
 267
 268     if (hIC->lpfnStatusCB)
 269     {
 270         INTERNET_ASYNC_RESULT iar;
 271
 272         iar.dwResult = (DWORD)lpwhr;
 273         iar.dwError = ERROR_SUCCESS;
 274
 275         hIC->lpfnStatusCB(hHttpSession, dwContext, INTERNET_STATUS_HANDLE_CREATED,
 276              &iar, sizeof(INTERNET_ASYNC_RESULT));
 277     }
 278
 279     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
 280     {
 281         INTERNET_ASYNC_RESULT iar;
 282
 283         iar.dwResult = (DWORD)lpwhr;
 284         iar.dwError = lpwhr ? ERROR_SUCCESS : INTERNET_GetLastError();
 285         hIC->lpfnStatusCB(hHttpSession, dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
 286             &iar, sizeof(INTERNET_ASYNC_RESULT));
 287     }
 288
 289     return (HINTERNET) lpwhr;
 290 }
 291
 292
 293 /***********************************************************************
 294  *           HttpQueryInfoA (WININET.74)
 295  *
 296  * Queries for information about an HTTP request
 297  *
 298  * RETURNS
 299  *    TRUE  on success
 300  *    FALSE on failure
 301  *
 302  */
 303 BOOL WINAPI HttpQueryInfoA(HINTERNET hHttpRequest, DWORD dwInfoLevel,
 304         LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
 305 {
 306     LPHTTPHEADERA lphttpHdr = NULL;
 307     BOOL bSuccess = FALSE;
 308     LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
 309
 310     TRACE("(0x%08lx)--> %ld\n", dwInfoLevel, dwInfoLevel);
 311
 312     if (NULL == lpwhr ||  lpwhr->hdr.htype != WH_HHTTPREQ)
 313     {
 314         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 315         return FALSE;
 316     }
 317
 318     /* Find requested header structure */
 319     if ((dwInfoLevel & ~HTTP_QUERY_MODIFIER_FLAGS_MASK) == HTTP_QUERY_CUSTOM)
 320     {
 321         INT index = HTTP_GetCustomHeaderIndex(lpwhr, (LPSTR)lpBuffer);
 322
 323         if (index < 0)
 324             goto lend;
 325
 326         lphttpHdr = &lpwhr->pCustHeaders[index];
 327     }
 328     else
 329     {
 330         INT index = dwInfoLevel & ~HTTP_QUERY_MODIFIER_FLAGS_MASK;
 331
 332         if (index == HTTP_QUERY_RAW_HEADERS_CRLF || index == HTTP_QUERY_RAW_HEADERS)
 333         {
 334             INT i, delim, size = 0, cnt = 0;
 335
 336             delim = index == HTTP_QUERY_RAW_HEADERS_CRLF ? 2 : 1;
 337
 338            /* Calculate length of custom reuqest headers */
 339            for (i = 0; i < lpwhr->nCustHeaders; i++)
 340            {
 341                if ((~lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST) && lpwhr->pCustHeaders[i].lpszField &&
 342                    lpwhr->pCustHeaders[i].lpszValue)
 343                {
 344                   size += strlen(lpwhr->pCustHeaders[i].lpszField) +
 345                        strlen(lpwhr->pCustHeaders[i].lpszValue) + delim + 2;
 346                }
 347            }
 348
 349            /* Calculate the length of stadard request headers */
 350            for (i = 0; i <= HTTP_QUERY_MAX; i++)
 351            {
 352               if ((~lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST) && lpwhr->StdHeaders[i].lpszField &&
 353                    lpwhr->StdHeaders[i].lpszValue)
 354               {
 355                  size += strlen(lpwhr->StdHeaders[i].lpszField) +
 356                     strlen(lpwhr->StdHeaders[i].lpszValue) + delim + 2;
 357               }
 358            }
 359
 360            size += delim;
 361
 362            if (size + 1 > *lpdwBufferLength)
 363            {
 364               *lpdwBufferLength = size + 1;
 365               INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
 366               goto lend;
 367            }
 368
 369            /* Append standard request heades */
 370            for (i = 0; i <= HTTP_QUERY_MAX; i++)
 371            {
 372                if ((~lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST) &&
 373                                            lpwhr->StdHeaders[i].lpszField &&
 374                                            lpwhr->StdHeaders[i].lpszValue)
 375                {
 376                    cnt += sprintf(lpBuffer + cnt, "%s: %s%s", lpwhr->StdHeaders[i].lpszField, lpwhr->StdHeaders[i].lpszValue,
 377                           index == HTTP_QUERY_RAW_HEADERS_CRLF ? "\r\n" : "\0");
 378                }
 379             }
 380
 381             /* Append custom request heades */
 382             for (i = 0; i < lpwhr->nCustHeaders; i++)
 383             {
 384                 if ((~lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST) &&
 385                                                 lpwhr->pCustHeaders[i].lpszField &&
 386                                                 lpwhr->pCustHeaders[i].lpszValue)
 387                 {
 388                    cnt += sprintf(lpBuffer + cnt, "%s: %s%s",
 389                     lpwhr->pCustHeaders[i].lpszField, lpwhr->pCustHeaders[i].lpszValue,
 390                                         index == HTTP_QUERY_RAW_HEADERS_CRLF ? "\r\n" : "\0");
 391                 }
 392             }
 393
 394             strcpy(lpBuffer + cnt, index == HTTP_QUERY_RAW_HEADERS_CRLF ? "\r\n" : "");
 395
 396            *lpdwBufferLength = cnt + delim;
 397            bSuccess = TRUE;
 398                 goto lend;
 399         }
 400         else if (index >= 0 && index <= HTTP_QUERY_MAX && lpwhr->StdHeaders[index].lpszValue)
 401         {
 402             lphttpHdr = &lpwhr->StdHeaders[index];
 403         }
 404         else
 405             goto lend;
 406     }
 407
 408     /* Ensure header satisifies requested attributes */
 409     if ((dwInfoLevel & HTTP_QUERY_FLAG_REQUEST_HEADERS) &&
 410             (~lphttpHdr->wFlags & HDR_ISREQUEST))
 411         goto lend;
 412
 413     /* coalesce value to reuqested type */
 414     if (dwInfoLevel & HTTP_QUERY_FLAG_NUMBER)
 415     {
 416        *(int *)lpBuffer = atoi(lphttpHdr->lpszValue);
 417            bSuccess = TRUE;
 418     }
 419     else if (dwInfoLevel & HTTP_QUERY_FLAG_SYSTEMTIME)
 420     {
 421         time_t tmpTime;
 422         struct tm tmpTM;
 423         SYSTEMTIME *STHook;
 424
 425         tmpTime = ConvertTimeString(lphttpHdr->lpszValue);
 426
 427         tmpTM = *gmtime(&tmpTime);
 428         STHook = (SYSTEMTIME *) lpBuffer;
 429         if(STHook==NULL)
 430             goto lend;
 431
 432             STHook->wDay = tmpTM.tm_mday;
 433             STHook->wHour = tmpTM.tm_hour;
 434             STHook->wMilliseconds = 0;
 435             STHook->wMinute = tmpTM.tm_min;
 436             STHook->wDayOfWeek = tmpTM.tm_wday;
 437             STHook->wMonth = tmpTM.tm_mon + 1;
 438             STHook->wSecond = tmpTM.tm_sec;
 439             STHook->wYear = tmpTM.tm_year;
 440
 441             bSuccess = TRUE;
 442     }
 443     else if (dwInfoLevel & HTTP_QUERY_FLAG_COALESCE)
 444     {
 445             if (*lpdwIndex >= lphttpHdr->wCount)
 446                 {
 447                 INTERNET_SetLastError(ERROR_HTTP_HEADER_NOT_FOUND);
 448                 }
 449             else
 450             {
 451             //! Copy strncpy(lpBuffer, lphttpHdr[*lpdwIndex], len);
 452             (*lpdwIndex)++;
 453             }
 454     }
 455     else
 456     {
 457         INT len = strlen(lphttpHdr->lpszValue);
 458
 459         if (len + 1 > *lpdwBufferLength)
 460         {
 461             *lpdwBufferLength = len + 1;
 462             INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
 463             goto lend;
 464         }
 465
 466         strncpy(lpBuffer, lphttpHdr->lpszValue, len);
 467         *lpdwBufferLength = len;
 468         bSuccess = TRUE;
 469     }
 470
 471 lend:
 472     TRACE("%d <--\n", bSuccess);
 473     return bSuccess;
 474 }
 475
 476
 477 /***********************************************************************
 478  *           HttpSendRequestExA (WININET)
 479  *
 480  * Sends the specified request to the HTTP server and allows chunked
 481  * transfers
 482  */
 483 BOOL WINAPI HttpSendRequestExA(HINTERNET hRequest,
 484                                LPINTERNET_BUFFERSA lpBuffersIn,
 485                                LPINTERNET_BUFFERSA lpBuffersOut,
 486                                DWORD dwFlags, DWORD dwContext)
 487 {
 488   FIXME("(%p, %p, %p, %08lx, %08lx): stub\n", hRequest, lpBuffersIn,
 489         lpBuffersOut, dwFlags, dwContext);
 490   return FALSE;
 491 }
 492
 493 /***********************************************************************
 494  *           HttpSendRequestA (WININET.76)
 495  *
 496  * Sends the specified request to the HTTP server
 497  *
 498  * RETURNS
 499  *    TRUE  on success
 500  *    FALSE on failure
 501  *
 502  */
 503 BOOL WINAPI HttpSendRequestA(HINTERNET hHttpRequest, LPCSTR lpszHeaders,
 504         DWORD dwHeaderLength, LPVOID lpOptional ,DWORD dwOptionalLength)
 505 {
 506     LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
 507     LPWININETHTTPSESSIONA lpwhs = NULL;
 508     LPWININETAPPINFOA hIC = NULL;
 509
 510     TRACE("0x%08lx\n", (unsigned long)hHttpRequest);
 511
 512     if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
 513     {
 514         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 515         return FALSE;
 516     }
 517
 518     lpwhs = (LPWININETHTTPSESSIONA) lpwhr->hdr.lpwhparent;
 519     if (NULL == lpwhs ||  lpwhs->hdr.htype != WH_HHTTPSESSION)
 520     {
 521         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 522         return FALSE;
 523     }
 524
 525     hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
 526     if (NULL == hIC ||  hIC->hdr.htype != WH_HINIT)
 527     {
 528         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 529         return FALSE;
 530     }
 531
 532     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
 533     {
 534         WORKREQUEST workRequest;
 535
 536         workRequest.asyncall = HTTPSENDREQUESTA;
 537         workRequest.HFTPSESSION = (DWORD)hHttpRequest;
 538         workRequest.LPSZHEADER = (DWORD)HTTP_strdup(lpszHeaders);
 539         workRequest.DWHEADERLENGTH = dwHeaderLength;
 540         workRequest.LPOPTIONAL = (DWORD)lpOptional;
 541         workRequest.DWOPTIONALLENGTH = dwOptionalLength;
 542
 543         return INTERNET_AsyncCall(&workRequest);
 544     }
 545     else
 546     {
 547         return HTTP_HttpSendRequestA(hHttpRequest, lpszHeaders,
 548                 dwHeaderLength, lpOptional, dwOptionalLength);
 549     }
 550 }
 551
 552
 553 /***********************************************************************
 554  *           HTTP_HttpSendRequestA (internal)
 555  *
 556  * Sends the specified request to the HTTP server
 557  *
 558  * RETURNS
 559  *    TRUE  on success
 560  *    FALSE on failure
 561  *
 562  */
 563 BOOL WINAPI HTTP_HttpSendRequestA(HINTERNET hHttpRequest, LPCSTR lpszHeaders,
 564         DWORD dwHeaderLength, LPVOID lpOptional ,DWORD dwOptionalLength)
 565 {
 566     INT cnt;
 567     INT i;
 568     BOOL bSuccess = FALSE;
 569     LPSTR requestString = NULL;
 570     INT requestStringLen;
 571     INT headerLength = 0;
 572     LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
 573     LPWININETHTTPSESSIONA lpwhs = NULL;
 574     LPWININETAPPINFOA hIC = NULL;
 575
 576     TRACE("0x%08lx\n", (ULONG)hHttpRequest);
 577
 578     /* Verify our tree of internet handles */
 579     if (NULL == lpwhr ||  lpwhr->hdr.htype != WH_HHTTPREQ)
 580     {
 581         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 582         return FALSE;
 583     }
 584
 585     lpwhs = (LPWININETHTTPSESSIONA) lpwhr->hdr.lpwhparent;
 586     if (NULL == lpwhs ||  lpwhs->hdr.htype != WH_HHTTPSESSION)
 587     {
 588         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 589         return FALSE;
 590     }
 591
 592     hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
 593     if (NULL == hIC ||  hIC->hdr.htype != WH_HINIT)
 594     {
 595         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 596         return FALSE;
 597     }
 598
 599     /* Clear any error information */
 600     INTERNET_SetLastError(0);
 601
 602     /* We must have a verb */
 603     if (NULL == lpwhr->lpszVerb)
 604     {
 605             goto lend;
 606     }
 607
 608     /* If we don't have a path we set it to root */
 609     if (NULL == lpwhr->lpszPath)
 610         lpwhr->lpszPath = HTTP_strdup("/");
 611
 612     /* Calculate length of request string */
 613     requestStringLen =
 614         strlen(lpwhr->lpszVerb) +
 615         strlen(lpwhr->lpszPath) +
 616         (lpwhr->lpszHostName ? (strlen(HTTPHOSTHEADER) + strlen(lpwhr->lpszHostName)) : 0) +
 617         strlen(HTTPHEADER) +
 618         5; /* " \r\n\r\n" */
 619
 620     /* Add length of passed headers */
 621     if (lpszHeaders)
 622     {
 623         headerLength = -1 == dwHeaderLength ?  strlen(lpszHeaders) : dwHeaderLength;
 624         requestStringLen += headerLength +  2; /* \r\n */
 625     }
 626
 627     /* Calculate length of custom request headers */
 628     for (i = 0; i < lpwhr->nCustHeaders; i++)
 629     {
 630             if (lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST)
 631             {
 632             requestStringLen += strlen(lpwhr->pCustHeaders[i].lpszField) +
 633                 strlen(lpwhr->pCustHeaders[i].lpszValue) + 4; /*: \r\n */
 634             }
 635     }
 636
 637     /* Calculate the length of standard request headers */
 638     for (i = 0; i <= HTTP_QUERY_MAX; i++)
 639     {
 640        if (lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST)
 641        {
 642           requestStringLen += strlen(lpwhr->StdHeaders[i].lpszField) +
 643              strlen(lpwhr->StdHeaders[i].lpszValue) + 4; /*: \r\n */
 644        }
 645     }
 646
 647     /* Allocate string to hold entire request */
 648     requestString = HeapAlloc(GetProcessHeap(), 0, requestStringLen + 1);
 649     if (NULL == requestString)
 650     {
 651         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 652         goto lend;
 653     }
 654
 655     /* Build request string */
 656     cnt = sprintf(requestString, "%s %s%s%s",
 657         lpwhr->lpszVerb,
 658         lpwhr->lpszPath,
 659         lpwhr->lpszHostName ? (HTTPHEADER HTTPHOSTHEADER) : HTTPHEADER,
 660         lpwhr->lpszHostName ? lpwhr->lpszHostName : "");
 661
 662     /* Append standard request headers */
 663     for (i = 0; i <= HTTP_QUERY_MAX; i++)
 664     {
 665        if (lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST)
 666        {
 667            cnt += sprintf(requestString + cnt, "\r\n%s: %s",
 668                lpwhr->StdHeaders[i].lpszField, lpwhr->StdHeaders[i].lpszValue);
 669        }
 670     }
 671
 672     /* Append custom request heades */
 673     for (i = 0; i < lpwhr->nCustHeaders; i++)
 674     {
 675        if (lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST)
 676        {
 677            cnt += sprintf(requestString + cnt, "\r\n%s: %s",
 678                lpwhr->pCustHeaders[i].lpszField, lpwhr->pCustHeaders[i].lpszValue);
 679        }
 680     }
 681
 682     /* Append passed request headers */
 683     if (lpszHeaders)
 684     {
 685         strcpy(requestString + cnt, "\r\n");
 686         cnt += 2;
 687         strcpy(requestString + cnt, lpszHeaders);
 688         cnt += headerLength;
 689     }
 690
 691     /* Set termination string for request */
 692     strcpy(requestString + cnt, "\r\n\r\n");
 693
 694     if (hIC->lpfnStatusCB)
 695         hIC->lpfnStatusCB(hHttpRequest, lpwhr->hdr.dwContext, INTERNET_STATUS_SENDING_REQUEST, NULL, 0);
 696
 697     TRACE("(%s) len(%d)\n", requestString, requestStringLen);
 698     /* Send the request and store the results */
 699     if (!HTTP_OpenConnection(lpwhr))
 700         goto lend;
 701
 702     cnt = INTERNET_WriteDataToStream(lpwhr->nSocketFD, requestString, requestStringLen);
 703
 704     if (cnt < 0)
 705         goto lend;
 706
 707     if (HTTP_GetResponseHeaders(lpwhr))
 708             bSuccess = TRUE;
 709
 710 lend:
 711
 712     if (requestString)
 713         HeapFree(GetProcessHeap(), 0, requestString);
 714
 715     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC  && hIC->lpfnStatusCB)
 716     {
 717         INTERNET_ASYNC_RESULT iar;
 718
 719         iar.dwResult = (DWORD)bSuccess;
 720         iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
 721         hIC->lpfnStatusCB(hHttpRequest, lpwhr->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
 722             &iar, sizeof(INTERNET_ASYNC_RESULT));
 723     }
 724
 725     TRACE("<--\n");
 726     return bSuccess;
 727 }
 728
 729
 730 /***********************************************************************
 731  *           HTTP_Connect  (internal)
 732  *
 733  * Create http session handle
 734  *
 735  * RETURNS
 736  *   HINTERNET a session handle on success
 737  *   NULL on failure
 738  *
 739  */
 740 HINTERNET HTTP_Connect(HINTERNET hInternet, LPCSTR lpszServerName,
 741         INTERNET_PORT nServerPort, LPCSTR lpszUserName,
 742         LPCSTR lpszPassword, DWORD dwFlags, DWORD dwContext)
 743 {
 744     BOOL bSuccess = FALSE;
 745     LPWININETAPPINFOA hIC = NULL;
 746     LPWININETHTTPSESSIONA lpwhs = NULL;
 747
 748     TRACE("\n");
 749
 750     if (((LPWININETHANDLEHEADER)hInternet)->htype != WH_HINIT)
 751         goto lerror;
 752
 753     hIC = (LPWININETAPPINFOA) hInternet;
 754
 755     lpwhs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WININETHTTPSESSIONA));
 756     if (NULL == lpwhs)
 757     {
 758         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 759         goto lerror;
 760     }
 761
 762     if (hIC->lpfnStatusCB)
 763         hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_RESOLVING_NAME,
 764            (LPVOID)lpszServerName, strlen(lpszServerName));
 765
 766     if (nServerPort == INTERNET_INVALID_PORT_NUMBER)
 767         nServerPort = INTERNET_DEFAULT_HTTP_PORT;
 768
 769     if (!GetAddress(lpszServerName, nServerPort, &lpwhs->phostent, &lpwhs->socketAddress))
 770     {
 771             INTERNET_SetLastError(ERROR_INTERNET_NAME_NOT_RESOLVED);
 772             goto lerror;
 773     }
 774
 775     if (hIC->lpfnStatusCB)
 776         hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_NAME_RESOLVED,
 777            (LPVOID)lpszServerName, strlen(lpszServerName));
 778
 779     lpwhs->hdr.htype = WH_HHTTPSESSION;
 780     lpwhs->hdr.lpwhparent = (LPWININETHANDLEHEADER)hInternet;
 781     lpwhs->hdr.dwFlags = dwFlags;
 782     lpwhs->hdr.dwContext = dwContext;
 783     if (NULL != lpszServerName)
 784         lpwhs->lpszServerName = HTTP_strdup(lpszServerName);
 785     if (NULL != lpszUserName)
 786         lpwhs->lpszUserName = HTTP_strdup(lpszUserName);
 787     lpwhs->nServerPort = nServerPort;
 788
 789     if (hIC->lpfnStatusCB)
 790     {
 791         INTERNET_ASYNC_RESULT iar;
 792
 793         iar.dwResult = (DWORD)lpwhs;
 794         iar.dwError = ERROR_SUCCESS;
 795
 796         hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_HANDLE_CREATED,
 797              &iar, sizeof(INTERNET_ASYNC_RESULT));
 798     }
 799
 800     bSuccess = TRUE;
 801
 802 lerror:
 803     if (!bSuccess && lpwhs)
 804     {
 805         HeapFree(GetProcessHeap(), 0, lpwhs);
 806         lpwhs = NULL;
 807     }
 808
 809     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
 810     {
 811         INTERNET_ASYNC_RESULT iar;
 812
 813         iar.dwResult = (DWORD)lpwhs;
 814         iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
 815         hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
 816             &iar, sizeof(INTERNET_ASYNC_RESULT));
 817     }
 818 TRACE("<--\n");
 819     return (HINTERNET)lpwhs;
 820 }
 821
 822
 823 /***********************************************************************
 824  *           HTTP_OpenConnection (internal)
 825  *
 826  * Connect to a web server
 827  *
 828  * RETURNS
 829  *
 830  *   TRUE  on success
 831  *   FALSE on failure
 832  */
 833 BOOL HTTP_OpenConnection(LPWININETHTTPREQA lpwhr)
 834 {
 835     BOOL bSuccess = FALSE;
 836     INT result;
 837     LPWININETHTTPSESSIONA lpwhs;
 838
 839     TRACE("\n");
 840
 841     if (NULL == lpwhr ||  lpwhr->hdr.htype != WH_HHTTPREQ)
 842     {
 843         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
 844         goto lend;
 845     }
 846
 847     lpwhs = (LPWININETHTTPSESSIONA)lpwhr->hdr.lpwhparent;
 848
 849     lpwhr->nSocketFD = socket(lpwhs->phostent->h_addrtype,SOCK_STREAM,0);
 850     if (INVALID_SOCKET == lpwhr->nSocketFD)
 851     {
 852         WARN("Socket creation failed\n");
 853         goto lend;
 854     }
 855
 856     result = connect(lpwhr->nSocketFD, (struct sockaddr *)&lpwhs->socketAddress,
 857         sizeof(lpwhs->socketAddress));
 858
 859     if (SOCKET_ERROR == result)
 860     {
 861        WARN("Unable to connect to host (%s)\n", strerror(errno));
 862        goto lend;
 863     }
 864
 865     bSuccess = TRUE;
 866
 867 lend:
 868     TRACE(": %d\n", bSuccess);
 869     return bSuccess;
 870 }
 871
 872
 873 /***********************************************************************
 874  *           HTTP_GetResponseHeaders (internal)
 875  *
 876  * Read server response
 877  *
 878  * RETURNS
 879  *
 880  *   TRUE  on success
 881  *   FALSE on error
 882  */
 883 BOOL HTTP_GetResponseHeaders(LPWININETHTTPREQA lpwhr)
 884 {
 885     INT cbreaks = 0;
 886     CHAR buffer[MAX_REPLY_LEN];
 887     DWORD buflen = MAX_REPLY_LEN;
 888     BOOL bSuccess = FALSE;
 889     CHAR value[MAX_FIELD_VALUE_LEN], field[MAX_FIELD_LEN];
 890
 891     TRACE("\n");
 892
 893     if (INVALID_SOCKET == lpwhr->nSocketFD)
 894         goto lend;
 895
 896     /*
 897      * We should first receive 'HTTP/1.x nnn' where nnn is the status code.
 898      */
 899     if (!INTERNET_GetNextLine(lpwhr->nSocketFD, buffer, &buflen))
 900         goto lend;
 901
 902     if (strncmp(buffer, "HTTP", 4) != 0)
 903         goto lend;
 904
 905     buffer[12]='\0';
 906     HTTP_ProcessHeader(lpwhr, "Status", buffer+9, (HTTP_ADDREQ_FLAG_ADD | HTTP_ADDREQ_FLAG_REPLACE));
 907
 908     /* Parse each response line */
 909     do
 910     {
 911         buflen = MAX_REPLY_LEN;
 912         if (INTERNET_GetNextLine(lpwhr->nSocketFD, buffer, &buflen))
 913         {
 914             if (!HTTP_InterpretHttpHeader(buffer, field, MAX_FIELD_LEN, value, MAX_FIELD_VALUE_LEN))
 915                 break;
 916
 917             HTTP_ProcessHeader(lpwhr, field, value, (HTTP_ADDREQ_FLAG_ADD | HTTP_ADDREQ_FLAG_REPLACE));
 918         }
 919         else
 920         {
 921             cbreaks++;
 922             if (cbreaks >= 2)
 923                break;
 924         }
 925     }while(1);
 926
 927     bSuccess = TRUE;
 928
 929 lend:
 930
 931     return bSuccess;
 932 }
 933
 934
 935 /***********************************************************************
 936  *           HTTP_InterpretHttpHeader (internal)
 937  *
 938  * Parse server response
 939  *
 940  * RETURNS
 941  *
 942  *   TRUE  on success
 943  *   FALSE on error
 944  */
 945 INT stripSpaces(LPCSTR lpszSrc, LPSTR lpszStart, INT *len)
 946 {
 947     LPCSTR lpsztmp;
 948     INT srclen;
 949
 950     srclen = 0;
 951
 952     while (*lpszSrc == ' ' && *lpszSrc != '\0')
 953         lpszSrc++;
 954
 955     lpsztmp = lpszSrc;
 956     while(*lpsztmp != '\0')
 957     {
 958         if (*lpsztmp != ' ')
 959             srclen = lpsztmp - lpszSrc + 1;
 960
 961         lpsztmp++;
 962     }
 963
 964     *len = min(*len, srclen);
 965     strncpy(lpszStart, lpszSrc, *len);
 966     lpszStart[*len] = '\0';
 967
 968     return *len;
 969 }
 970
 971
 972 BOOL HTTP_InterpretHttpHeader(LPSTR buffer, LPSTR field, INT fieldlen, LPSTR value, INT valuelen)
 973 {
 974     CHAR *pd;
 975     BOOL bSuccess = FALSE;
 976
 977     TRACE("\n");
 978
 979     *field = '\0';
 980     *value = '\0';
 981
 982     pd = strchr(buffer, ':');
 983     if (pd)
 984     {
 985         *pd = '\0';
 986         if (stripSpaces(buffer, field, &fieldlen) > 0)
 987         {
 988             if (stripSpaces(pd+1, value, &valuelen) > 0)
 989                 bSuccess = TRUE;
 990         }
 991     }
 992
 993     TRACE("%d: field(%s) Value(%s)\n", bSuccess, field, value);
 994     return bSuccess;
 995 }
 996
 997
 998 /***********************************************************************
 999  *           HTTP_GetStdHeaderIndex (internal)
1000  *
1001  * Lookup field index in standard http header array
1002  *
1003  * FIXME: This should be stuffed into a hash table
1004  */
1005 INT HTTP_GetStdHeaderIndex(LPCSTR lpszField)
1006 {
1007     INT index = -1;
1008
1009     if (!strcasecmp(lpszField, "Content-Length"))
1010         index = HTTP_QUERY_CONTENT_LENGTH;
1011     else if (!strcasecmp(lpszField,"Status"))
1012         index = HTTP_QUERY_STATUS_CODE;
1013     else if (!strcasecmp(lpszField,"Content-Type"))
1014         index = HTTP_QUERY_CONTENT_TYPE;
1015     else if (!strcasecmp(lpszField,"Last-Modified"))
1016         index = HTTP_QUERY_LAST_MODIFIED;
1017     else if (!strcasecmp(lpszField,"Location"))
1018         index = HTTP_QUERY_LOCATION;
1019     else if (!strcasecmp(lpszField,"Accept"))
1020         index = HTTP_QUERY_ACCEPT;
1021     else if (!strcasecmp(lpszField,"Referer"))
1022         index = HTTP_QUERY_REFERER;
1023     else if (!strcasecmp(lpszField,"Content-Transfer-Encoding"))
1024         index = HTTP_QUERY_CONTENT_TRANSFER_ENCODING;
1025     else if (!strcasecmp(lpszField,"Date"))
1026         index = HTTP_QUERY_DATE;
1027     else if (!strcasecmp(lpszField,"Server"))
1028         index = HTTP_QUERY_SERVER;
1029     else if (!strcasecmp(lpszField,"Connection"))
1030         index = HTTP_QUERY_CONNECTION;
1031     else if (!strcasecmp(lpszField,"ETag"))
1032         index = HTTP_QUERY_ETAG;
1033     else if (!strcasecmp(lpszField,"Accept-Ranges"))
1034         index = HTTP_QUERY_ACCEPT_RANGES;
1035     else if (!strcasecmp(lpszField,"Expires"))
1036         index = HTTP_QUERY_EXPIRES;
1037     else if (!strcasecmp(lpszField,"Mime-Version"))
1038         index = HTTP_QUERY_MIME_VERSION;
1039     else
1040     {
1041        FIXME("Couldn't find %s in standard header table\n", lpszField);
1042     }
1043
1044     return index;
1045 }
1046
1047
1048 /***********************************************************************
1049  *           HTTP_ProcessHeader (internal)
1050  *
1051  * Stuff header into header tables according to <dwModifier>
1052  *
1053  */
1054
1055 #define COALESCEFLASG (HTTP_ADDHDR_FLAG_COALESCE|HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA|HTTP_ADDHDR_FLAG_COALESCE_WITH_SEMICOLON)
1056
1057 BOOL HTTP_ProcessHeader(LPWININETHTTPREQA lpwhr, LPCSTR field, LPCSTR value, DWORD dwModifier)
1058 {
1059     LPHTTPHEADERA lphttpHdr = NULL;
1060     BOOL bSuccess = FALSE;
1061     INT index;
1062
1063     TRACE("%s:%s - 0x%08x\n", field, value, (unsigned int)dwModifier);
1064
1065     /* Adjust modifier flags */
1066     if (dwModifier & COALESCEFLASG)
1067         dwModifier |= HTTP_ADDHDR_FLAG_ADD;
1068
1069     /* Try to get index into standard header array */
1070     index = HTTP_GetStdHeaderIndex(field);
1071     if (index >= 0)
1072     {
1073         lphttpHdr = &lpwhr->StdHeaders[index];
1074     }
1075     else /* Find or create new custom header */
1076     {
1077         index = HTTP_GetCustomHeaderIndex(lpwhr, field);
1078         if (index >= 0)
1079         {
1080             if (dwModifier & HTTP_ADDHDR_FLAG_ADD_IF_NEW)
1081             {
1082                 return FALSE;
1083             }
1084             lphttpHdr = &lpwhr->pCustHeaders[index];
1085         }
1086         else
1087         {
1088             HTTPHEADERA hdr;
1089
1090             hdr.lpszField = (LPSTR)field;
1091             hdr.lpszValue = (LPSTR)value;
1092             hdr.wFlags = hdr.wCount = 0;
1093
1094             if (dwModifier & HTTP_ADDHDR_FLAG_REQ)
1095                 hdr.wFlags |= HDR_ISREQUEST;
1096
1097             index = HTTP_InsertCustomHeader(lpwhr, &hdr);
1098             return index >= 0;
1099         }
1100     }
1101
1102     if (dwModifier & HTTP_ADDHDR_FLAG_REQ)
1103         lphttpHdr->wFlags |= HDR_ISREQUEST;
1104     else
1105         lphttpHdr->wFlags &= ~HDR_ISREQUEST;
1106
1107     if (!lphttpHdr->lpszValue && (dwModifier & (HTTP_ADDHDR_FLAG_ADD|HTTP_ADDHDR_FLAG_ADD_IF_NEW)))
1108     {
1109         INT slen;
1110
1111         if (!lpwhr->StdHeaders[index].lpszField)
1112         {
1113             lphttpHdr->lpszField = HTTP_strdup(field);
1114
1115             if (dwModifier & HTTP_ADDHDR_FLAG_REQ)
1116                 lphttpHdr->wFlags |= HDR_ISREQUEST;
1117         }
1118
1119         slen = strlen(value) + 1;
1120         lphttpHdr->lpszValue = HeapAlloc(GetProcessHeap(), 0, slen);
1121         if (lphttpHdr->lpszValue)
1122         {
1123             memcpy(lphttpHdr->lpszValue, value, slen);
1124             bSuccess = TRUE;
1125         }
1126         else
1127         {
1128             INTERNET_SetLastError(ERROR_OUTOFMEMORY);
1129         }
1130     }
1131     else if (lphttpHdr->lpszValue)
1132     {
1133         if (dwModifier & HTTP_ADDHDR_FLAG_REPLACE)
1134         {
1135             LPSTR lpsztmp;
1136             INT len;
1137
1138             len = strlen(value);
1139
1140             if (len <= 0)
1141             {
1142                 //! if custom header delete from array
1143                 HeapFree(GetProcessHeap(), 0, lphttpHdr->lpszValue);
1144                 lphttpHdr->lpszValue = NULL;
1145                 bSuccess = TRUE;
1146             }
1147             else
1148             {
1149                 lpsztmp = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,  lphttpHdr->lpszValue, len+1);
1150                 if (lpsztmp)
1151                 {
1152                     lphttpHdr->lpszValue = lpsztmp;
1153                     strcpy(lpsztmp, value);
1154                     bSuccess = TRUE;
1155                 }
1156                 else
1157                 {
1158                     INTERNET_SetLastError(ERROR_OUTOFMEMORY);
1159                 }
1160             }
1161         }
1162         else if (dwModifier & COALESCEFLASG)
1163         {
1164             LPSTR lpsztmp;
1165             CHAR ch = 0;
1166             INT len = 0;
1167             INT origlen = strlen(lphttpHdr->lpszValue);
1168             INT valuelen = strlen(value);
1169
1170             if (dwModifier & HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA)
1171             {
1172                 ch = ',';
1173                 lphttpHdr->wFlags |= HDR_COMMADELIMITED;
1174             }
1175             else if (dwModifier & HTTP_ADDHDR_FLAG_COALESCE_WITH_SEMICOLON)
1176             {
1177                 ch = ';';
1178                 lphttpHdr->wFlags |= HDR_COMMADELIMITED;
1179             }
1180
1181             len = origlen + valuelen + (ch > 0) ? 1 : 0;
1182
1183             lpsztmp = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,  lphttpHdr->lpszValue, len+1);
1184             if (lpsztmp)
1185             {
1186                 /* FIXME: Increment lphttpHdr->wCount. Perhaps lpszValue should be an array */
1187                 if (ch > 0)
1188                 {
1189                     lphttpHdr->lpszValue[origlen] = ch;
1190                     origlen++;
1191                 }
1192
1193                 memcpy(&lphttpHdr->lpszValue[origlen], value, valuelen);
1194                 lphttpHdr->lpszValue[len] = '\0';
1195                 bSuccess = TRUE;
1196             }
1197             else
1198             {
1199                 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
1200             }
1201         }
1202     }
1203
1204     return bSuccess;
1205 }
1206
1207
1208 /***********************************************************************
1209  *           HTTP_CloseConnection (internal)
1210  *
1211  * Close socket connection
1212  *
1213  */
1214 VOID HTTP_CloseConnection(LPWININETHTTPREQA lpwhr)
1215 {
1216         if (lpwhr->nSocketFD != INVALID_SOCKET)
1217         {
1218                 close(lpwhr->nSocketFD);
1219                 lpwhr->nSocketFD = INVALID_SOCKET;
1220         }
1221 }
1222
1223
1224 /***********************************************************************
1225  *           HTTP_CloseHTTPRequestHandle (internal)
1226  *
1227  * Deallocate request handle
1228  *
1229  */
1230 void HTTP_CloseHTTPRequestHandle(LPWININETHTTPREQA lpwhr)
1231 {
1232     int i;
1233
1234     TRACE("\n");
1235
1236     if (lpwhr->nSocketFD != INVALID_SOCKET)
1237         HTTP_CloseConnection(lpwhr);
1238
1239     if (lpwhr->lpszPath)
1240         HeapFree(GetProcessHeap(), 0, lpwhr->lpszPath);
1241     if (lpwhr->lpszVerb)
1242         HeapFree(GetProcessHeap(), 0, lpwhr->lpszVerb);
1243     if (lpwhr->lpszHostName)
1244         HeapFree(GetProcessHeap(), 0, lpwhr->lpszHostName);
1245
1246     for (i = 0; i <= HTTP_QUERY_MAX; i++)
1247     {
1248            if (lpwhr->StdHeaders[i].lpszField)
1249             HeapFree(GetProcessHeap(), 0, lpwhr->StdHeaders[i].lpszField);
1250            if (lpwhr->StdHeaders[i].lpszValue)
1251             HeapFree(GetProcessHeap(), 0, lpwhr->StdHeaders[i].lpszValue);
1252     }
1253
1254     for (i = 0; i < lpwhr->nCustHeaders; i++)
1255     {
1256            if (lpwhr->pCustHeaders[i].lpszField)
1257             HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders[i].lpszField);
1258            if (lpwhr->pCustHeaders[i].lpszValue)
1259             HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders[i].lpszValue);
1260     }
1261
1262     HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders);
1263     HeapFree(GetProcessHeap(), 0, lpwhr);
1264 }
1265
1266
1267 /***********************************************************************
1268  *           HTTP_CloseHTTPSessionHandle (internal)
1269  *
1270  * Deallocate session handle
1271  *
1272  */
1273 void HTTP_CloseHTTPSessionHandle(LPWININETHTTPSESSIONA lpwhs)
1274 {
1275     TRACE("\n");
1276
1277     if (lpwhs->lpszServerName)
1278         HeapFree(GetProcessHeap(), 0, lpwhs->lpszServerName);
1279     if (lpwhs->lpszUserName)
1280         HeapFree(GetProcessHeap(), 0, lpwhs->lpszUserName);
1281     HeapFree(GetProcessHeap(), 0, lpwhs);
1282 }
1283
1284
1285 /***********************************************************************
1286  *           HTTP_GetCustomHeaderIndex (internal)
1287  *
1288  * Return index of custom header from header array
1289  *
1290  */
1291 INT HTTP_GetCustomHeaderIndex(LPWININETHTTPREQA lpwhr, LPCSTR lpszField)
1292 {
1293     INT index;
1294
1295     TRACE("%s\n", lpszField);
1296
1297     for (index = 0; index < lpwhr->nCustHeaders; index++)
1298     {
1299         if (!strcasecmp(lpwhr->pCustHeaders[index].lpszField, lpszField))
1300             break;
1301
1302     }
1303
1304     if (index >= lpwhr->nCustHeaders)
1305         index = -1;
1306
1307     TRACE("Return: %d\n", index);
1308     return index;
1309 }
1310
1311
1312 /***********************************************************************
1313  *           HTTP_InsertCustomHeader (internal)
1314  *
1315  * Insert header into array
1316  *
1317  */
1318 INT HTTP_InsertCustomHeader(LPWININETHTTPREQA lpwhr, LPHTTPHEADERA lpHdr)
1319 {
1320     INT count;
1321     LPHTTPHEADERA lph = NULL;
1322
1323     TRACE("%s: %s\n", lpHdr->lpszField, lpHdr->lpszValue);
1324     count = lpwhr->nCustHeaders + 1;
1325     if (count > 1)
1326         lph = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lpwhr->pCustHeaders, sizeof(HTTPHEADERA) * count);
1327     else
1328         lph = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HTTPHEADERA) * count);
1329
1330     if (NULL != lph)
1331     {
1332         lpwhr->pCustHeaders = lph;
1333         lpwhr->pCustHeaders[count-1].lpszField = HTTP_strdup(lpHdr->lpszField);
1334         lpwhr->pCustHeaders[count-1].lpszValue = HTTP_strdup(lpHdr->lpszValue);
1335         lpwhr->pCustHeaders[count-1].wFlags = lpHdr->wFlags;
1336         lpwhr->pCustHeaders[count-1].wCount= lpHdr->wCount;
1337         lpwhr->nCustHeaders++;
1338     }
1339     else
1340     {
1341         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
1342         count = 0;
1343     }
1344
1345     TRACE("%d <--\n", count-1);
1346     return count - 1;
1347 }
1348
1349
1350 /***********************************************************************
1351  *           HTTP_DeleteCustomHeader (internal)
1352  *
1353  * Delete header from array
1354  *
1355  */
1356 BOOL HTTP_DeleteCustomHeader(INT index)
1357 {
1358     TRACE("\n");
1359     return FALSE;
1360 }