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winhttp: Implement WinHttpGetDefaultProxyConfiguration.

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This commit is contained in:
Juan Lang 2009-07-14 13:00:38 -07:00 committed by Alexandre Julliard
parent 3469a021be
commit fd9aa244d3
1 changed files with 87 additions and 4 deletions
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91
dlls/winhttp/session.c
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@ -669,17 +669,100 @@ struct winhttp_settings_header
DWORD flags; /* one of WINHTTP_PROXY_TYPE_* */
};
static inline void copy_char_to_wchar_sz(const BYTE *src, DWORD len, WCHAR *dst)
{
const BYTE *begin;
for (begin = src; src - begin < len; src++, dst++)
*dst = *src;
*dst = 0;
}
/***********************************************************************
* WinHttpGetDefaultProxyConfiguration (winhttp.@)
*/
BOOL WINAPI WinHttpGetDefaultProxyConfiguration( WINHTTP_PROXY_INFO *info )
{
FIXME("%p\n", info);
LONG l;
HKEY key;
BOOL direct = TRUE;
info->dwAccessType = WINHTTP_ACCESS_TYPE_NO_PROXY;
info->lpszProxy = NULL;
info->lpszProxyBypass = NULL;
TRACE("%p\n", info);
l = RegOpenKeyExW( HKEY_LOCAL_MACHINE, Connections, 0, KEY_READ, &key );
if (!l)
{
DWORD type, size = 0;
l = RegQueryValueExW( key, WinHttpSettings, NULL, &type, NULL, &size );
if (!l && type == REG_BINARY &&
size >= sizeof(struct winhttp_settings_header) + 2 * sizeof(DWORD))
{
BYTE *buf = heap_alloc( size );
if (buf)
{
struct winhttp_settings_header *hdr =
(struct winhttp_settings_header *)buf;
DWORD *len = (DWORD *)(hdr + 1);
l = RegQueryValueExW( key, WinHttpSettings, NULL, NULL, buf,
&size );
if (!l && hdr->magic == WINHTTPSETTINGS_MAGIC &&
hdr->unknown == 0)
{
if (hdr->flags & WINHTTP_PROXY_TYPE_PROXY)
{
BOOL sane = FALSE;
/* Sanity-check length of proxy string */
if ((BYTE *)len - buf + *len <= size)
{
sane = TRUE;
info->lpszProxy = GlobalAlloc( 0,
(*len + 1) * sizeof(WCHAR) );
if (info->lpszProxy)
copy_char_to_wchar_sz( (BYTE *)(len + 1),
*len, (LPWSTR)info->lpszProxy );
len = (DWORD *)((BYTE *)(len + 1) + *len);
}
if (sane)
{
/* Sanity-check length of proxy bypass string */
if ((BYTE *)len - buf + *len <= size)
{
info->lpszProxyBypass = GlobalAlloc( 0,
(*len + 1) * sizeof(WCHAR) );
if (info->lpszProxyBypass)
copy_char_to_wchar_sz( (BYTE *)(len + 1),
*len, (LPWSTR)info->lpszProxyBypass );
}
else
{
sane = FALSE;
GlobalFree( (LPWSTR)info->lpszProxy );
info->lpszProxy = NULL;
}
}
if (sane)
{
direct = FALSE;
info->dwAccessType =
WINHTTP_ACCESS_TYPE_NAMED_PROXY;
}
}
}
heap_free( buf );
}
}
RegCloseKey( key );
}
if (direct)
{
info->dwAccessType = WINHTTP_ACCESS_TYPE_NO_PROXY;
info->lpszProxy = NULL;
info->lpszProxyBypass = NULL;
}
return TRUE;
}