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Mask out ignored bits from UnicodeFlag.

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This commit is contained in:
Armin Novak
2017-07-19 09:41:58 +02:00
parent f0fb219580
commit 0e6a44faf3
1 changed files with 3 additions and 5 deletions
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8
channels/rdpdr/server/rdpdr_main.c
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@@ -150,11 +150,9 @@ static UINT rdpdr_server_receive_client_name_request(RdpdrServerContext*
Stream_Seek_UINT32(s); /* CodePage (4 bytes), MUST be set to zero */
Stream_Read_UINT32(s, ComputerNameLen); /* ComputerNameLen (4 bytes) */
if (UnicodeFlag > 1) /* must be 0x00000000 or 0x00000001 */
{
WLog_ERR(TAG, "invalid UnicodeFlag value: 0x%08"PRIX32"", UnicodeFlag);
return ERROR_INVALID_DATA;
}
/* UnicodeFlag is either 0 or 1, the other 31 bits must be ignored.
*/
UnicodeFlag = UnicodeFlag & 0x00000001;
/**
* Caution: ComputerNameLen is given *bytes*,