MdeModulePkg/UdfDxe: Check 'Component Type' within a Path Component
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1279 According to the ECMA-167 standard (3rd Edition - June 1997), Section 14.16.1.1, valid values are 1 to 5. All other values will be treated as a corrupted volume. This commit will add such check within function ResolveSymlink(). Cc: Ruiyu Ni <ruiyu.ni@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Paulo Alcantara <palcantara@suse.de> Reviewed-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
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@ -2257,6 +2257,13 @@ ResolveSymlink (
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}
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}
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FileName[Index] = L'\0';
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FileName[Index] = L'\0';
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break;
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break;
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default:
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//
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// According to the ECMA-167 standard (3rd Edition - June 1997), Section
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// 14.16.1.1, all other values are reserved.
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//
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Status = EFI_VOLUME_CORRUPTED;
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goto Error_Find_File;
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}
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}
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//
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//
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