dlls/wininet/utility.c - wine - Git at Google

 /*
  * Wininet - Utility functions
  *
  * Copyright 1999 Corel Corporation
  * Copyright 2002 CodeWeavers Inc.
  *
  * Ulrich Czekalla
  * Aric Stewart
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #include "config.h"
 #include "wine/port.h"

 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>

 #include "windef.h"
 #include "winbase.h"
 #include "wininet.h"
 #include "winnls.h"

 #include "wine/debug.h"
 #include "internet.h"

 WINE_DEFAULT_DEBUG_CHANNEL(wininet);

 #define TIME_STRING_LEN  30

 time_t ConvertTimeString(LPCWSTR asctime)
 {
     WCHAR tmpChar[TIME_STRING_LEN];
     WCHAR *tmpChar2;
     struct tm t;
     int timelen = strlenW(asctime);

     if(!timelen)
         return 0;

     /* FIXME: the atoiWs below rely on that tmpChar is \0 padded */
     memset( tmpChar, 0, sizeof(tmpChar) );
     lstrcpynW(tmpChar, asctime, TIME_STRING_LEN);

     /* Assert that the string is the expected length */
     if (strlenW(asctime) >= TIME_STRING_LEN) FIXME("\n");

     /* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
      * We assume the time is in this format
      * and divide it into easy to swallow chunks
      */
     tmpChar[3]='\0';
     tmpChar[7]='\0';
     tmpChar[11]='\0';
     tmpChar[16]='\0';
     tmpChar[19]='\0';
     tmpChar[22]='\0';
     tmpChar[25]='\0';

     t.tm_year = atoiW(tmpChar+12) - 1900;
     t.tm_mday = atoiW(tmpChar+5);
     t.tm_hour = atoiW(tmpChar+17);
     t.tm_min = atoiW(tmpChar+20);
     t.tm_sec = atoiW(tmpChar+23);

     /* and month */
     tmpChar2 = tmpChar + 8;
     switch(tmpChar2[2])
     {
         case 'n':
             if(tmpChar2[1]=='a')
                 t.tm_mon = 0;
             else
                 t.tm_mon = 5;
             break;
         case 'b':
             t.tm_mon = 1;
             break;
         case 'r':
             if(tmpChar2[1]=='a')
                 t.tm_mon = 2;
             else
                 t.tm_mon = 3;
             break;
         case 'y':
             t.tm_mon = 4;
             break;
         case 'l':
             t.tm_mon = 6;
             break;
         case 'g':
             t.tm_mon = 7;
             break;
         case 'p':
             t.tm_mon = 8;
             break;
         case 't':
             t.tm_mon = 9;
             break;
         case 'v':
             t.tm_mon = 10;
             break;
         case 'c':
             t.tm_mon = 11;
             break;
         default:
             FIXME("\n");
     }

     return mktime(&t);
 }


 BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
 	struct sockaddr_in *psa)
 {
     WCHAR *found;
     char *name;
     int len, sz;
     struct hostent *phe;

     TRACE("%s\n", debugstr_w(lpszServerName));

     /* Validate server name first
      * Check if there is sth. like
      * pinger.macromedia.com:80
      * if yes, eliminate the :80....
      */
     found = strchrW(lpszServerName, ':');
     if (found)
         len = found - lpszServerName;
     else
         len = strlenW(lpszServerName);

     sz = WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, NULL, 0, NULL, NULL );
     name = HeapAlloc(GetProcessHeap(), 0, sz+1);
     WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, name, sz, NULL, NULL );
     name[sz] = 0;
     phe = gethostbyname(name);
     HeapFree( GetProcessHeap(), 0, name );

     if (NULL == phe)
     {
         TRACE("Failed to get hostname: (%s)\n", debugstr_w(lpszServerName) );
         return FALSE;
     }

     memset(psa,0,sizeof(struct sockaddr_in));
     memcpy((char *)&psa->sin_addr, phe->h_addr, phe->h_length);
     psa->sin_family = phe->h_addrtype;
     psa->sin_port = htons((u_short)nServerPort);

     return TRUE;
 }

 /*
  * Helper function for sending async Callbacks
  */

 static const char *get_callback_name(DWORD dwInternetStatus) {
     static const wininet_flag_info internet_status[] = {
 #define FE(x) { x, #x }
 	FE(INTERNET_STATUS_RESOLVING_NAME),
 	FE(INTERNET_STATUS_NAME_RESOLVED),
 	FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
 	FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
 	FE(INTERNET_STATUS_SENDING_REQUEST),
 	FE(INTERNET_STATUS_REQUEST_SENT),
 	FE(INTERNET_STATUS_RECEIVING_RESPONSE),
 	FE(INTERNET_STATUS_RESPONSE_RECEIVED),
 	FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
 	FE(INTERNET_STATUS_PREFETCH),
 	FE(INTERNET_STATUS_CLOSING_CONNECTION),
 	FE(INTERNET_STATUS_CONNECTION_CLOSED),
 	FE(INTERNET_STATUS_HANDLE_CREATED),
 	FE(INTERNET_STATUS_HANDLE_CLOSING),
 	FE(INTERNET_STATUS_REQUEST_COMPLETE),
 	FE(INTERNET_STATUS_REDIRECT),
 	FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
 	FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
 	FE(INTERNET_STATUS_STATE_CHANGE),
 	FE(INTERNET_STATUS_COOKIE_SENT),
 	FE(INTERNET_STATUS_COOKIE_RECEIVED),
 	FE(INTERNET_STATUS_PRIVACY_IMPACTED),
 	FE(INTERNET_STATUS_P3P_HEADER),
 	FE(INTERNET_STATUS_P3P_POLICYREF),
 	FE(INTERNET_STATUS_COOKIE_HISTORY)
 #undef FE
     };
     DWORD i;

     for (i = 0; i < (sizeof(internet_status) / sizeof(internet_status[0])); i++) {
 	if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
     }
     return "Unknown";
 }

 VOID INTERNET_SendCallback(LPWININETHANDLEHEADER hdr, DWORD_PTR dwContext,
                            DWORD dwInternetStatus, LPVOID lpvStatusInfo,
                            DWORD dwStatusInfoLength)
 {
     LPVOID lpvNewInfo = NULL;

     if( !hdr->lpfnStatusCB )
         return;

     /* the IE5 version of wininet does not
        send callbacks if dwContext is zero */
     if( !dwContext )
         return;

     lpvNewInfo = lpvStatusInfo;
     if(hdr->dwInternalFlags & INET_CALLBACKW) {
         switch(dwInternetStatus) {
         case INTERNET_STATUS_NAME_RESOLVED:
         case INTERNET_STATUS_CONNECTING_TO_SERVER:
         case INTERNET_STATUS_CONNECTED_TO_SERVER:
             lpvNewInfo = WININET_strdup_AtoW(lpvStatusInfo);
             break;
         case INTERNET_STATUS_RESOLVING_NAME:
         case INTERNET_STATUS_REDIRECT:
             lpvNewInfo = WININET_strdupW(lpvStatusInfo);
             break;
         }
     }else {
         switch(dwInternetStatus)
         {
         case INTERNET_STATUS_NAME_RESOLVED:
         case INTERNET_STATUS_CONNECTING_TO_SERVER:
         case INTERNET_STATUS_CONNECTED_TO_SERVER:
             lpvNewInfo = HeapAlloc(GetProcessHeap(), 0, strlen(lpvStatusInfo) + 1);
             if (lpvNewInfo) strcpy(lpvNewInfo, lpvStatusInfo);
             break;
         case INTERNET_STATUS_RESOLVING_NAME:
         case INTERNET_STATUS_REDIRECT:
             lpvNewInfo = WININET_strdup_WtoA(lpvStatusInfo);
             break;
         }
     }

     TRACE(" callback(%p) (%p (%p), %08lx, %d (%s), %p, %d)\n",
 	  hdr->lpfnStatusCB, hdr->hInternet, hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 	  lpvNewInfo, dwStatusInfoLength);

     hdr->lpfnStatusCB(hdr->hInternet, dwContext, dwInternetStatus,
                       lpvNewInfo, dwStatusInfoLength);

     TRACE(" end callback().\n");

     if(lpvNewInfo != lpvStatusInfo)
         HeapFree(GetProcessHeap(), 0, lpvNewInfo);
 }

 static void SendAsyncCallbackProc(WORKREQUEST *workRequest)
 {
     struct WORKREQ_SENDCALLBACK const *req = &workRequest->u.SendCallback;

     TRACE("%p\n", workRequest->hdr);

     INTERNET_SendCallback(workRequest->hdr,
                           req->dwContext, req->dwInternetStatus, req->lpvStatusInfo,
                           req->dwStatusInfoLength);

     /* And frees the copy of the status info */
     HeapFree(GetProcessHeap(), 0, req->lpvStatusInfo);
 }

 VOID SendAsyncCallback(LPWININETHANDLEHEADER hdr, DWORD_PTR dwContext,
                        DWORD dwInternetStatus, LPVOID lpvStatusInfo,
                        DWORD dwStatusInfoLength)
 {
     TRACE("(%p, %08lx, %d (%s), %p, %d): %sasync call with callback %p\n",
 	  hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 	  lpvStatusInfo, dwStatusInfoLength,
 	  hdr->dwFlags & INTERNET_FLAG_ASYNC ? "" : "non ",
 	  hdr->lpfnStatusCB);

     if (!(hdr->lpfnStatusCB))
 	return;

     if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
     {
 	WORKREQUEST workRequest;
 	struct WORKREQ_SENDCALLBACK *req;
 	void *lpvStatusInfo_copy = lpvStatusInfo;

 	if (lpvStatusInfo)
 	{
 	    lpvStatusInfo_copy = HeapAlloc(GetProcessHeap(), 0, dwStatusInfoLength);
 	    memcpy(lpvStatusInfo_copy, lpvStatusInfo, dwStatusInfoLength);
 	}

 	workRequest.asyncproc = SendAsyncCallbackProc;
 	workRequest.hdr = WININET_AddRef( hdr );
 	req = &workRequest.u.SendCallback;
 	req->dwContext = dwContext;
 	req->dwInternetStatus = dwInternetStatus;
 	req->lpvStatusInfo = lpvStatusInfo_copy;
 	req->dwStatusInfoLength = dwStatusInfoLength;

 	INTERNET_AsyncCall(&workRequest);
     }
     else
 	INTERNET_SendCallback(hdr, dwContext, dwInternetStatus,
 			      lpvStatusInfo, dwStatusInfoLength);
 }
	/*
	* Wininet - Utility functions
	*
	* Copyright 1999 Corel Corporation
	* Copyright 2002 CodeWeavers Inc.
	*
	* Ulrich Czekalla
	* Aric Stewart
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#include "config.h"
	#include "wine/port.h"

	#include <stdarg.h>
	#include <stdlib.h>
	#include <string.h>
	#include <time.h>

	#include "windef.h"
	#include "winbase.h"
	#include "wininet.h"
	#include "winnls.h"

	#include "wine/debug.h"
	#include "internet.h"

	WINE_DEFAULT_DEBUG_CHANNEL(wininet);

	#define TIME_STRING_LEN 30

	time_t ConvertTimeString(LPCWSTR asctime)
	{
	WCHAR tmpChar[TIME_STRING_LEN];
	WCHAR *tmpChar2;
	struct tm t;
	int timelen = strlenW(asctime);

	if(!timelen)
	return 0;

	/* FIXME: the atoiWs below rely on that tmpChar is \0 padded */
	memset( tmpChar, 0, sizeof(tmpChar) );
	lstrcpynW(tmpChar, asctime, TIME_STRING_LEN);

	/* Assert that the string is the expected length */
	if (strlenW(asctime) >= TIME_STRING_LEN) FIXME("\n");

	/* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
	* We assume the time is in this format
	* and divide it into easy to swallow chunks
	*/
	tmpChar[3]='\0';
	tmpChar[7]='\0';
	tmpChar[11]='\0';
	tmpChar[16]='\0';
	tmpChar[19]='\0';
	tmpChar[22]='\0';
	tmpChar[25]='\0';

	t.tm_year = atoiW(tmpChar+12) - 1900;
	t.tm_mday = atoiW(tmpChar+5);
	t.tm_hour = atoiW(tmpChar+17);
	t.tm_min = atoiW(tmpChar+20);
	t.tm_sec = atoiW(tmpChar+23);

	/* and month */
	tmpChar2 = tmpChar + 8;
	switch(tmpChar2[2])
	{
	case 'n':
	if(tmpChar2[1]=='a')
	t.tm_mon = 0;
	else
	t.tm_mon = 5;
	break;
	case 'b':
	t.tm_mon = 1;
	break;
	case 'r':
	if(tmpChar2[1]=='a')
	t.tm_mon = 2;
	else
	t.tm_mon = 3;
	break;
	case 'y':
	t.tm_mon = 4;
	break;
	case 'l':
	t.tm_mon = 6;
	break;
	case 'g':
	t.tm_mon = 7;
	break;
	case 'p':
	t.tm_mon = 8;
	break;
	case 't':
	t.tm_mon = 9;
	break;
	case 'v':
	t.tm_mon = 10;
	break;
	case 'c':
	t.tm_mon = 11;
	break;
	default:
	FIXME("\n");
	}

	return mktime(&t);
	}


	BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
	struct sockaddr_in *psa)
	{
	WCHAR *found;
	char *name;
	int len, sz;
	struct hostent *phe;

	TRACE("%s\n", debugstr_w(lpszServerName));

	/* Validate server name first
	* Check if there is sth. like
	* pinger.macromedia.com:80
	* if yes, eliminate the :80....
	*/
	found = strchrW(lpszServerName, ':');
	if (found)
	len = found - lpszServerName;
	else
	len = strlenW(lpszServerName);

	sz = WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, NULL, 0, NULL, NULL );
	name = HeapAlloc(GetProcessHeap(), 0, sz+1);
	WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, name, sz, NULL, NULL );
	name[sz] = 0;
	phe = gethostbyname(name);
	HeapFree( GetProcessHeap(), 0, name );

	if (NULL == phe)
	{
	TRACE("Failed to get hostname: (%s)\n", debugstr_w(lpszServerName) );
	return FALSE;
	}

	memset(psa,0,sizeof(struct sockaddr_in));
	memcpy((char *)&psa->sin_addr, phe->h_addr, phe->h_length);
	psa->sin_family = phe->h_addrtype;
	psa->sin_port = htons((u_short)nServerPort);

	return TRUE;
	}

	/*
	* Helper function for sending async Callbacks
	*/

	static const char *get_callback_name(DWORD dwInternetStatus) {
	static const wininet_flag_info internet_status[] = {
	#define FE(x) { x, #x }
	FE(INTERNET_STATUS_RESOLVING_NAME),
	FE(INTERNET_STATUS_NAME_RESOLVED),
	FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
	FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
	FE(INTERNET_STATUS_SENDING_REQUEST),
	FE(INTERNET_STATUS_REQUEST_SENT),
	FE(INTERNET_STATUS_RECEIVING_RESPONSE),
	FE(INTERNET_STATUS_RESPONSE_RECEIVED),
	FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
	FE(INTERNET_STATUS_PREFETCH),
	FE(INTERNET_STATUS_CLOSING_CONNECTION),
	FE(INTERNET_STATUS_CONNECTION_CLOSED),
	FE(INTERNET_STATUS_HANDLE_CREATED),
	FE(INTERNET_STATUS_HANDLE_CLOSING),
	FE(INTERNET_STATUS_REQUEST_COMPLETE),
	FE(INTERNET_STATUS_REDIRECT),
	FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
	FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
	FE(INTERNET_STATUS_STATE_CHANGE),
	FE(INTERNET_STATUS_COOKIE_SENT),
	FE(INTERNET_STATUS_COOKIE_RECEIVED),
	FE(INTERNET_STATUS_PRIVACY_IMPACTED),
	FE(INTERNET_STATUS_P3P_HEADER),
	FE(INTERNET_STATUS_P3P_POLICYREF),
	FE(INTERNET_STATUS_COOKIE_HISTORY)
	#undef FE
	};
	DWORD i;

	for (i = 0; i < (sizeof(internet_status) / sizeof(internet_status[0])); i++) {
	if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
	}
	return "Unknown";
	}

	VOID INTERNET_SendCallback(LPWININETHANDLEHEADER hdr, DWORD_PTR dwContext,
	DWORD dwInternetStatus, LPVOID lpvStatusInfo,
	DWORD dwStatusInfoLength)
	{
	LPVOID lpvNewInfo = NULL;

	if( !hdr->lpfnStatusCB )
	return;

	/* the IE5 version of wininet does not
	send callbacks if dwContext is zero */
	if( !dwContext )
	return;

	lpvNewInfo = lpvStatusInfo;
	if(hdr->dwInternalFlags & INET_CALLBACKW) {
	switch(dwInternetStatus) {
	case INTERNET_STATUS_NAME_RESOLVED:
	case INTERNET_STATUS_CONNECTING_TO_SERVER:
	case INTERNET_STATUS_CONNECTED_TO_SERVER:
	lpvNewInfo = WININET_strdup_AtoW(lpvStatusInfo);
	break;
	case INTERNET_STATUS_RESOLVING_NAME:
	case INTERNET_STATUS_REDIRECT:
	lpvNewInfo = WININET_strdupW(lpvStatusInfo);
	break;
	}
	}else {
	switch(dwInternetStatus)
	{
	case INTERNET_STATUS_NAME_RESOLVED:
	case INTERNET_STATUS_CONNECTING_TO_SERVER:
	case INTERNET_STATUS_CONNECTED_TO_SERVER:
	lpvNewInfo = HeapAlloc(GetProcessHeap(), 0, strlen(lpvStatusInfo) + 1);
	if (lpvNewInfo) strcpy(lpvNewInfo, lpvStatusInfo);
	break;
	case INTERNET_STATUS_RESOLVING_NAME:
	case INTERNET_STATUS_REDIRECT:
	lpvNewInfo = WININET_strdup_WtoA(lpvStatusInfo);
	break;
	}
	}

	TRACE(" callback(%p) (%p (%p), %08lx, %d (%s), %p, %d)\n",
	hdr->lpfnStatusCB, hdr->hInternet, hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
	lpvNewInfo, dwStatusInfoLength);

	hdr->lpfnStatusCB(hdr->hInternet, dwContext, dwInternetStatus,
	lpvNewInfo, dwStatusInfoLength);

	TRACE(" end callback().\n");

	if(lpvNewInfo != lpvStatusInfo)
	HeapFree(GetProcessHeap(), 0, lpvNewInfo);
	}

	static void SendAsyncCallbackProc(WORKREQUEST *workRequest)
	{
	struct WORKREQ_SENDCALLBACK const *req = &workRequest->u.SendCallback;

	TRACE("%p\n", workRequest->hdr);

	INTERNET_SendCallback(workRequest->hdr,
	req->dwContext, req->dwInternetStatus, req->lpvStatusInfo,
	req->dwStatusInfoLength);

	/* And frees the copy of the status info */
	HeapFree(GetProcessHeap(), 0, req->lpvStatusInfo);
	}

	VOID SendAsyncCallback(LPWININETHANDLEHEADER hdr, DWORD_PTR dwContext,
	DWORD dwInternetStatus, LPVOID lpvStatusInfo,
	DWORD dwStatusInfoLength)
	{
	TRACE("(%p, %08lx, %d (%s), %p, %d): %sasync call with callback %p\n",
	hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
	lpvStatusInfo, dwStatusInfoLength,
	hdr->dwFlags & INTERNET_FLAG_ASYNC ? "" : "non ",
	hdr->lpfnStatusCB);

	if (!(hdr->lpfnStatusCB))
	return;

	if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
	{
	WORKREQUEST workRequest;
	struct WORKREQ_SENDCALLBACK *req;
	void *lpvStatusInfo_copy = lpvStatusInfo;

	if (lpvStatusInfo)
	{
	lpvStatusInfo_copy = HeapAlloc(GetProcessHeap(), 0, dwStatusInfoLength);
	memcpy(lpvStatusInfo_copy, lpvStatusInfo, dwStatusInfoLength);
	}

	workRequest.asyncproc = SendAsyncCallbackProc;
	workRequest.hdr = WININET_AddRef( hdr );
	req = &workRequest.u.SendCallback;
	req->dwContext = dwContext;
	req->dwInternetStatus = dwInternetStatus;
	req->lpvStatusInfo = lpvStatusInfo_copy;
	req->dwStatusInfoLength = dwStatusInfoLength;

	INTERNET_AsyncCall(&workRequest);
	}
	else
	INTERNET_SendCallback(hdr, dwContext, dwInternetStatus,
	lpvStatusInfo, dwStatusInfoLength);
	}