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Land #220, Support Hi DPI for screenshots

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William Webb 2017-07-25 23:12:29 -05:00
commit 7ae31a76f1
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GPG Key ID: 341763D0308DA650
2 changed files with 24 additions and 22 deletions
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10
c/meterpreter/source/screenshot/screenshot.c
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@ -147,8 +147,8 @@ DWORD screenshot( int quality, DWORD dwPipeName )
// prevent breaking functionality on <= NT 4.0
if (os.dwMajorVersion >= 4)
{
sxpos = GetSystemMetrics(xposition);
sypos = GetSystemMetrics(yposition);
sxpos = GetSystemMetrics(SM_XVIRTUALSCREEN);
sypos = GetSystemMetrics(SM_YVIRTUALSCREEN);
}
@ -163,8 +163,10 @@ DWORD screenshot( int quality, DWORD dwPipeName )
// BitBlt the screenshot of this sessions default input desktop on WinSta0 onto the memory DC we created
// screenshot all available monitors by default
if( !BitBlt( hmemdc, 0, 0, sx, sy, hdc, sxpos, sypos, SRCCOPY ) )
BREAK_ON_ERROR( "[SCREENSHOT] screenshot. BitBlt failed" );
SetProcessDPIAware();
if (!StretchBlt(hmemdc, 0, 0, sx, sy, hdc, sxpos, sypos, GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN), SRCCOPY))
BREAK_ON_ERROR("[SCREENSHOT] screenshot. StretchBlt failed");
// finally convert the BMP we just made into a JPEG...
if( bmp2jpeg( hbmp, hmemdc, quality, &pJpegBuffer, &dwJpegSize ) != 1 )