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Sweden-Number/dlls/wininet/utility.c

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/*
* 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"
#if defined(__MINGW32__) || defined (_MSC_VER)
#include <ws2tcpip.h>
#endif
#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);
#ifndef HAVE_GETADDRINFO
/* critical section to protect non-reentrant gethostbyname() */
static CRITICAL_SECTION cs_gethostbyname;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &cs_gethostbyname,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": cs_gethostbyname") }
};
static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
#endif
#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';
memset( &t, 0, sizeof(t) );
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 *psa, socklen_t *sa_len)
{
WCHAR *found;
char *name;
int len, sz;
#ifdef HAVE_GETADDRINFO
struct addrinfo *res, hints;
int ret;
#else
struct hostent *phe;
struct sockaddr_in *sin = (struct sockaddr_in *)psa;
#endif
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 );
if (!(name = heap_alloc(sz + 1))) return FALSE;
WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, name, sz, NULL, NULL );
name[sz] = 0;
#ifdef HAVE_GETADDRINFO
memset( &hints, 0, sizeof(struct addrinfo) );
/* Prefer IPv4 to IPv6 addresses, since some servers do not listen on
* their IPv6 addresses even though they have IPv6 addresses in the DNS.
*/
hints.ai_family = AF_INET;
ret = getaddrinfo( name, NULL, &hints, &res );
if (ret != 0)
{
TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(lpszServerName), gai_strerror(ret));
hints.ai_family = AF_INET6;
ret = getaddrinfo( name, NULL, &hints, &res );
}
heap_free( name );
if (ret != 0)
{
TRACE("failed to get address of %s (%s)\n", debugstr_w(lpszServerName), gai_strerror(ret));
return FALSE;
}
if (*sa_len < res->ai_addrlen)
{
WARN("address too small\n");
freeaddrinfo( res );
return FALSE;
}
*sa_len = res->ai_addrlen;
memcpy( psa, res->ai_addr, res->ai_addrlen );
/* Copy port */
switch (res->ai_family)
{
case AF_INET:
((struct sockaddr_in *)psa)->sin_port = htons(nServerPort);
break;
case AF_INET6:
((struct sockaddr_in6 *)psa)->sin6_port = htons(nServerPort);
break;
}
freeaddrinfo( res );
#else
EnterCriticalSection( &cs_gethostbyname );
phe = gethostbyname(name);
heap_free( name );
if (NULL == phe)
{
TRACE("failed to get address of %s (%d)\n", debugstr_w(lpszServerName), h_errno);
LeaveCriticalSection( &cs_gethostbyname );
return FALSE;
}
if (*sa_len < sizeof(struct sockaddr_in))
{
WARN("address too small\n");
LeaveCriticalSection( &cs_gethostbyname );
return FALSE;
}
*sa_len = sizeof(struct sockaddr_in);
memset(sin,0,sizeof(struct sockaddr_in));
memcpy((char *)&sin->sin_addr, phe->h_addr, phe->h_length);
sin->sin_family = phe->h_addrtype;
sin->sin_port = htons(nServerPort);
LeaveCriticalSection( &cs_gethostbyname );
#endif
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(object_header_t *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 = heap_strdupAtoW(lpvStatusInfo);
dwStatusInfoLength *= sizeof(WCHAR);
break;
case INTERNET_STATUS_RESOLVING_NAME:
case INTERNET_STATUS_REDIRECT:
lpvNewInfo = heap_strdupW(lpvStatusInfo);
break;
}
}else {
switch(dwInternetStatus)
{
case INTERNET_STATUS_NAME_RESOLVED:
case INTERNET_STATUS_CONNECTING_TO_SERVER:
case INTERNET_STATUS_CONNECTED_TO_SERVER:
lpvNewInfo = heap_alloc(strlen(lpvStatusInfo) + 1);
if (lpvNewInfo) strcpy(lpvNewInfo, lpvStatusInfo);
break;
case INTERNET_STATUS_RESOLVING_NAME:
case INTERNET_STATUS_REDIRECT:
lpvNewInfo = heap_strdupWtoA(lpvStatusInfo);
dwStatusInfoLength /= sizeof(WCHAR);
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)
heap_free(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 */
heap_free(req->lpvStatusInfo);
}
void SendAsyncCallback(object_header_t *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 = heap_alloc(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);
}
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