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// SPDX-License-Identifier: BSD-2-Clause-Patent
/*
* dp.c - device path helpers
* Copyright Peter Jones <pjones@redhat.com>
*/
#include "shim.h"
int
is_removable_media_path(EFI_LOADED_IMAGE *li)
{
unsigned int pathlen = 0;
CHAR16 *bootpath = NULL;
int ret = 0;
bootpath = DevicePathToStr(li->FilePath);
/* Check the beginning of the string and the end, to avoid
* caring about which arch this is. */
/* I really don't know why, but sometimes bootpath gives us
* L"\\EFI\\BOOT\\/BOOTX64.EFI". So just handle that here...
*/
if (StrnCaseCmp(bootpath, L"\\EFI\\BOOT\\BOOT", 14) &&
StrnCaseCmp(bootpath, L"\\EFI\\BOOT\\/BOOT", 15) &&
StrnCaseCmp(bootpath, L"EFI\\BOOT\\BOOT", 13) &&
StrnCaseCmp(bootpath, L"EFI\\BOOT\\/BOOT", 14))
goto error;
pathlen = StrLen(bootpath);
if (pathlen < 5 || StrCaseCmp(bootpath + pathlen - 4, L".EFI"))
goto error;
ret = 1;
error:
if (bootpath)
FreePool(bootpath);
return ret;
}
// vim:fenc=utf-8:tw=75:noet
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