http.c

winNT技术操作系统,国外开放的原代码和LIUX一样

	STHook->wMonth = tmpTM.tm_mon + 1;
	STHook->wSecond = tmpTM.tm_sec;
	STHook->wYear = tmpTM.tm_year;
	
	bSuccess = TRUE;
	
	TRACE(" returning time : %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n", 
	      STHook->wYear, STHook->wMonth, STHook->wDay, STHook->wDayOfWeek,
	      STHook->wHour, STHook->wMinute, STHook->wSecond, STHook->wMilliseconds);
    }
    else if (dwInfoLevel & HTTP_QUERY_FLAG_COALESCE)
    {
	    if (*lpdwIndex >= lphttpHdr->wCount)
		{
	        INTERNET_SetLastError(ERROR_HTTP_HEADER_NOT_FOUND);
		}
	    else
	    {
	    /* Copy strncpyW(lpBuffer, lphttpHdr[*lpdwIndex], len); */
            (*lpdwIndex)++;
	    }
    }
    else if (lphttpHdr->lpszValue)
    {
        DWORD len = (strlenW(lphttpHdr->lpszValue) + 1) * sizeof(WCHAR);

        if (len > *lpdwBufferLength)
        {
            *lpdwBufferLength = len;
            INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
            return bSuccess;
        }

        memcpy(lpBuffer, lphttpHdr->lpszValue, len);
        *lpdwBufferLength = len - sizeof(WCHAR);
        bSuccess = TRUE;

	TRACE(" returning string : '%s'\n", debugstr_w(lpBuffer));
    }
    return bSuccess;
}

/***********************************************************************
 *           HttpQueryInfoW (WININET.@)
 *
 * Queries for information about an HTTP request
 *
 * RETURNS
 *    TRUE  on success
 *    FALSE on failure
 *
 */
BOOL WINAPI HttpQueryInfoW(HINTERNET hHttpRequest, DWORD dwInfoLevel,
	LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
{
    BOOL bSuccess = FALSE;
    LPWININETHTTPREQW lpwhr;

    if (TRACE_ON(wininet)) {
#define FE(x) { x, #x }
	static const wininet_flag_info query_flags[] = {
	    FE(HTTP_QUERY_MIME_VERSION),
	    FE(HTTP_QUERY_CONTENT_TYPE),
	    FE(HTTP_QUERY_CONTENT_TRANSFER_ENCODING),
	    FE(HTTP_QUERY_CONTENT_ID),
	    FE(HTTP_QUERY_CONTENT_DESCRIPTION),
	    FE(HTTP_QUERY_CONTENT_LENGTH),
	    FE(HTTP_QUERY_CONTENT_LANGUAGE),
	    FE(HTTP_QUERY_ALLOW),
	    FE(HTTP_QUERY_PUBLIC),
	    FE(HTTP_QUERY_DATE),
	    FE(HTTP_QUERY_EXPIRES),
	    FE(HTTP_QUERY_LAST_MODIFIED),
	    FE(HTTP_QUERY_MESSAGE_ID),
	    FE(HTTP_QUERY_URI),
	    FE(HTTP_QUERY_DERIVED_FROM),
	    FE(HTTP_QUERY_COST),
	    FE(HTTP_QUERY_LINK),
	    FE(HTTP_QUERY_PRAGMA),
	    FE(HTTP_QUERY_VERSION),
	    FE(HTTP_QUERY_STATUS_CODE),
	    FE(HTTP_QUERY_STATUS_TEXT),
	    FE(HTTP_QUERY_RAW_HEADERS),
	    FE(HTTP_QUERY_RAW_HEADERS_CRLF),
	    FE(HTTP_QUERY_CONNECTION),
	    FE(HTTP_QUERY_ACCEPT),
	    FE(HTTP_QUERY_ACCEPT_CHARSET),
	    FE(HTTP_QUERY_ACCEPT_ENCODING),
	    FE(HTTP_QUERY_ACCEPT_LANGUAGE),
	    FE(HTTP_QUERY_AUTHORIZATION),
	    FE(HTTP_QUERY_CONTENT_ENCODING),
	    FE(HTTP_QUERY_FORWARDED),
	    FE(HTTP_QUERY_FROM),
	    FE(HTTP_QUERY_IF_MODIFIED_SINCE),
	    FE(HTTP_QUERY_LOCATION),
	    FE(HTTP_QUERY_ORIG_URI),
	    FE(HTTP_QUERY_REFERER),
	    FE(HTTP_QUERY_RETRY_AFTER),
	    FE(HTTP_QUERY_SERVER),
	    FE(HTTP_QUERY_TITLE),
	    FE(HTTP_QUERY_USER_AGENT),
	    FE(HTTP_QUERY_WWW_AUTHENTICATE),
	    FE(HTTP_QUERY_PROXY_AUTHENTICATE),
	    FE(HTTP_QUERY_ACCEPT_RANGES),
        FE(HTTP_QUERY_SET_COOKIE),
        FE(HTTP_QUERY_COOKIE),
	    FE(HTTP_QUERY_REQUEST_METHOD),
	    FE(HTTP_QUERY_REFRESH),
	    FE(HTTP_QUERY_CONTENT_DISPOSITION),
	    FE(HTTP_QUERY_AGE),
	    FE(HTTP_QUERY_CACHE_CONTROL),
	    FE(HTTP_QUERY_CONTENT_BASE),
	    FE(HTTP_QUERY_CONTENT_LOCATION),
	    FE(HTTP_QUERY_CONTENT_MD5),
	    FE(HTTP_QUERY_CONTENT_RANGE),
	    FE(HTTP_QUERY_ETAG),
	    FE(HTTP_QUERY_HOST),
	    FE(HTTP_QUERY_IF_MATCH),
	    FE(HTTP_QUERY_IF_NONE_MATCH),
	    FE(HTTP_QUERY_IF_RANGE),
	    FE(HTTP_QUERY_IF_UNMODIFIED_SINCE),
	    FE(HTTP_QUERY_MAX_FORWARDS),
	    FE(HTTP_QUERY_PROXY_AUTHORIZATION),
	    FE(HTTP_QUERY_RANGE),
	    FE(HTTP_QUERY_TRANSFER_ENCODING),
	    FE(HTTP_QUERY_UPGRADE),
	    FE(HTTP_QUERY_VARY),
	    FE(HTTP_QUERY_VIA),
	    FE(HTTP_QUERY_WARNING),
	    FE(HTTP_QUERY_CUSTOM)
	};
	static const wininet_flag_info modifier_flags[] = {
	    FE(HTTP_QUERY_FLAG_REQUEST_HEADERS),
	    FE(HTTP_QUERY_FLAG_SYSTEMTIME),
	    FE(HTTP_QUERY_FLAG_NUMBER),
	    FE(HTTP_QUERY_FLAG_COALESCE)
	};
#undef FE
	DWORD info_mod = dwInfoLevel & HTTP_QUERY_MODIFIER_FLAGS_MASK;
	DWORD info = dwInfoLevel & HTTP_QUERY_HEADER_MASK;
	DWORD i;

	TRACE("(%p, 0x%08lx)--> %ld\n", hHttpRequest, dwInfoLevel, dwInfoLevel);
	TRACE("  Attribute:");
	for (i = 0; i < (sizeof(query_flags) / sizeof(query_flags[0])); i++) {
	    if (query_flags[i].val == info) {
		TRACE(" %s", query_flags[i].name);
		break;
	    }
	}
	if (i == (sizeof(query_flags) / sizeof(query_flags[0]))) {
	    TRACE(" Unknown (%08lx)", info);
	}

	TRACE(" Modifier:");
	for (i = 0; i < (sizeof(modifier_flags) / sizeof(modifier_flags[0])); i++) {
	    if (modifier_flags[i].val & info_mod) {
		TRACE(" %s", modifier_flags[i].name);
		info_mod &= ~ modifier_flags[i].val;
	    }
	}
	
	if (info_mod) {
	    TRACE(" Unknown (%08lx)", info_mod);
	}
	TRACE("\n");
    }
    
    lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hHttpRequest );
    if (NULL == lpwhr ||  lpwhr->hdr.htype != WH_HHTTPREQ)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
	goto lend;
    }

    bSuccess = HTTP_HttpQueryInfoW( lpwhr, dwInfoLevel,
	                            lpBuffer, lpdwBufferLength, lpdwIndex);

lend:
    if( lpwhr )
         WININET_Release( &lpwhr->hdr );

    TRACE("%d <--\n", bSuccess);
    return bSuccess;
}

/***********************************************************************
 *           HttpQueryInfoA (WININET.@)
 *
 * Queries for information about an HTTP request
 *
 * RETURNS
 *    TRUE  on success
 *    FALSE on failure
 *
 */
BOOL WINAPI HttpQueryInfoA(HINTERNET hHttpRequest, DWORD dwInfoLevel,
	LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
{
    BOOL result;
    DWORD len;
    WCHAR* bufferW;

    if((dwInfoLevel & HTTP_QUERY_FLAG_NUMBER) ||
       (dwInfoLevel & HTTP_QUERY_FLAG_SYSTEMTIME))
    {
        return HttpQueryInfoW( hHttpRequest, dwInfoLevel, lpBuffer,
                               lpdwBufferLength, lpdwIndex );
    }

    len = (*lpdwBufferLength)*sizeof(WCHAR);
    bufferW = HeapAlloc( GetProcessHeap(), 0, len );
    /* buffer is in/out because of HTTP_QUERY_CUSTOM */
    if ((dwInfoLevel & HTTP_QUERY_HEADER_MASK) == HTTP_QUERY_CUSTOM)
        MultiByteToWideChar(CP_ACP,0,lpBuffer,-1,bufferW,len);
    result = HttpQueryInfoW( hHttpRequest, dwInfoLevel, bufferW,
                           &len, lpdwIndex );
    if( result )
    {
        len = WideCharToMultiByte( CP_ACP,0, bufferW, len / sizeof(WCHAR) + 1,
                                     lpBuffer, *lpdwBufferLength, NULL, NULL );
        *lpdwBufferLength = len - 1;

        TRACE("lpBuffer: %s\n", debugstr_a(lpBuffer));
    }
    else
        /* since the strings being returned from HttpQueryInfoW should be
         * only ASCII characters, it is reasonable to assume that all of
         * the Unicode characters can be reduced to a single byte */
        *lpdwBufferLength = len / sizeof(WCHAR);

    HeapFree(GetProcessHeap(), 0, bufferW );

    return result;
}

/***********************************************************************
 *           HttpSendRequestExA (WININET.@)
 *
 * Sends the specified request to the HTTP server and allows chunked
 * transfers.
 *
 * RETURNS
 *  Success: TRUE
 *  Failure: FALSE, call GetLastError() for more information.
 */
BOOL WINAPI HttpSendRequestExA(HINTERNET hRequest,
			       LPINTERNET_BUFFERSA lpBuffersIn,
			       LPINTERNET_BUFFERSA lpBuffersOut,
			       DWORD dwFlags, DWORD dwContext)
{
    INTERNET_BUFFERSW BuffersInW;
    BOOL rc = FALSE;
    DWORD headerlen;

    TRACE("(%p, %p, %p, %08lx, %08lx): stub\n", hRequest, lpBuffersIn,
	    lpBuffersOut, dwFlags, dwContext);

    if (lpBuffersIn)
    {
        BuffersInW.dwStructSize = sizeof(LPINTERNET_BUFFERSW);
        if (lpBuffersIn->lpcszHeader)
        {
            headerlen = MultiByteToWideChar(CP_ACP,0,lpBuffersIn->lpcszHeader,
                    lpBuffersIn->dwHeadersLength,0,0);
            BuffersInW.lpcszHeader = HeapAlloc(GetProcessHeap(),0,headerlen*
                    sizeof(WCHAR));
            if (!BuffersInW.lpcszHeader)
            {
                SetLastError(ERROR_OUTOFMEMORY);
                return FALSE;
            }
            BuffersInW.dwHeadersLength = MultiByteToWideChar(CP_ACP, 0,
                    lpBuffersIn->lpcszHeader, lpBuffersIn->dwHeadersLength,
                    (LPWSTR)BuffersInW.lpcszHeader, headerlen);
        }
        else
            BuffersInW.lpcszHeader = NULL;
        BuffersInW.dwHeadersTotal = lpBuffersIn->dwHeadersTotal;
        BuffersInW.lpvBuffer = lpBuffersIn->lpvBuffer;
        BuffersInW.dwBufferLength = lpBuffersIn->dwBufferLength;
        BuffersInW.dwBufferTotal = lpBuffersIn->dwBufferTotal;
        BuffersInW.Next = NULL;
    }

    rc = HttpSendRequestExW(hRequest, lpBuffersIn ? &BuffersInW : NULL, NULL, dwFlags, dwContext);

    if (lpBuffersIn)
        HeapFree(GetProcessHeap(),0,(LPVOID)BuffersInW.lpcszHeader);

    return rc;
}

/***********************************************************************
 *           HttpSendRequestExW (WININET.@)
 *
 * Sends the specified request to the HTTP server and allows chunked
 * transfers
 *
 * RETURNS
 *  Success: TRUE
 *  Failure: FALSE, call GetLastError() for more information.
 */
BOOL WINAPI HttpSendRequestExW(HINTERNET hRequest,
                   LPINTERNET_BUFFERSW lpBuffersIn,
                   LPINTERNET_BUFFERSW lpBuffersOut,
                   DWORD dwFlags, DWORD dwContext)
{
    BOOL ret;
    LPWININETHTTPREQW lpwhr;
    LPWININETHTTPSESSIONW lpwhs;
    LPWININETAPPINFOW hIC;

    TRACE("(%p, %p, %p, %08lx, %08lx)\n", hRequest, lpBuffersIn,
            lpBuffersOut, dwFlags, dwContext);

    lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hRequest );

    if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
    {
        INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
    	return FALSE;
    }

    lpwhs = (LPWININETHTTPSESSIONW) lpwhr->hdr.lpwhparent;
    assert(lpwhs->hdr.htype == WH_HHTTPSESSION);
    hIC = (LPWININETAPPINFOW) lpwhs->hdr.lpwhparent;
    assert(hIC->hdr.htype == WH_HINIT);

    if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
    {
        WORKREQUEST workRequest;
        struct WORKREQ_HTTPSENDREQUESTW *req;

        workRequest.asyncall = HTTPSENDREQUESTW;
        workRequest.hdr = WININET_AddRef( &lpwhr->hdr );
        req = &workRequest.u.HttpSendRequestW;
        if (lpBuffersIn)
        {
            if (lpBuffersIn->lpcszHeader)
                /* FIXME: this should use dwHeadersLength or may not be necessary at all */
                req->lpszHeader = WININET_strdupW(lpBuffersIn->lpcszHeader);
            else
                req->lpszHeader = NULL;
            req->dwHeaderLength = lpBuffersIn->dwHeadersLength;
            req->lpOptional = lpBuffersIn->lpvBuffer;
            req->dwOptionalLength = lpBuffersIn->dwBufferLength;
            req->dwContentLength = lpBuffersIn->dwBufferTotal;
        }
        else
        {
            req->lpszHeader = NULL;
            req->dwHeaderLength = 0;
            req->lpOptional = NULL;
            req->dwOptionalLength = 0;
            req->dwContentLength = 0;
        }

        req->bEndRequest = FALSE;

        INTERNET_AsyncCall(&workRequest);
        /*
         * This is from wi