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