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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,26 +1,27 @@ | ||
| // DIE's signature file | ||
|
|
||
| init("archive","bzip"); | ||
|
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| function detect(bShowType,bShowVersion,bShowOptions) | ||
| { | ||
| if(Binary.getSize()>=9) | ||
| { | ||
| if(Binary.compare("'BZ0'")) | ||
| { | ||
| sVersion="1"; | ||
| bDetected=1; | ||
| } | ||
| else if(Binary.compare("'BZh'")) | ||
| { | ||
| sVersion="2"; | ||
| bDetected=1; | ||
| } | ||
| if(bDetected) | ||
| { | ||
| sOptions="block-size:"+Binary.getString(3,1)+"00 kb"; | ||
| } | ||
| } | ||
|
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| return result(bShowType,bShowVersion,bShowOptions); | ||
| } | ||
| // DIE's signature file | ||
| // doc-ref: https://github.com/dsnet/compress/blob/master/doc/bzip2-format.pdf | ||
| init("archive",""); | ||
|
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||
| function detect(bShowType,bShowVersion,bShowOptions) | ||
| { | ||
| if(Binary.getSize()>=9) | ||
| { | ||
| if(Binary.compare("'BZ0'")) | ||
| { | ||
| sName = "BZip1 compressed data (.BZ)" | ||
| bDetected=true; | ||
| } | ||
|
|
||
| else if(Binary.compare("'BZh'") && Binary.compare("314159265359",0x4)) | ||
| { | ||
| sName = "BZip2 compressed data (.BZ2)" | ||
| bDetected=true; | ||
| } | ||
| if(bDetected && Binary.isVerbose()) | ||
| { | ||
| sOptions="block-size:"+Binary.getString(3,1)+"00 kb"; | ||
| } | ||
| } | ||
|
|
||
| return result(bShowType,bShowVersion,bShowOptions); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,21 +1,35 @@ | ||
| // DIE's signature file | ||
|
|
||
| init("archive","Gzip"); | ||
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| function detect(bShowType,bShowVersion,bShowOptions) | ||
| { | ||
| if(Binary.getSize()>=9) | ||
| { | ||
| if(Binary.compare("1F8B08")) | ||
| { | ||
| switch(Binary.readByte(8)) | ||
| { | ||
| case 2: sOptions="best"; break; | ||
| case 4: sOptions="fast"; break; | ||
| } | ||
| bDetected=1; | ||
| } | ||
| } | ||
|
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| return result(bShowType,bShowVersion,bShowOptions); | ||
| } | ||
| // DIE's signature file | ||
| // Author: LinXP | ||
| // Status: WIP | ||
|
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||
| init("archive","GZip data"); | ||
|
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||
| function detect(bShowType,bShowVersion,bShowOptions) | ||
| { | ||
| if(Binary.getSize()>=9) | ||
| { | ||
|
|
||
| if(Binary.compare("1F8B")) | ||
| { | ||
| bDetected=true; | ||
| switch(Binary.read_uint8(0x02)) | ||
| { | ||
| case 0: sOption("stored"); break; | ||
| case 1: sOption("compressed"); break; | ||
| case 2: sOption("packed"); break; | ||
| case 3: sOption("lzhed"); break; | ||
| case 8: sOption("deflate"); break; | ||
| default: bDetected=false; | ||
| } | ||
| if (bDetected) { | ||
| switch(Binary.read_uint8(0x08)) | ||
| { | ||
| case 2: sOption("best"); break; | ||
| case 4: sOption("fast"); break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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||
| return result(bShowType,bShowVersion,bShowOptions); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,38 @@ | ||
| // DIE's signature file | ||
| // Author: LinXP | ||
|
|
||
| init("archive","LZ4"); | ||
|
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||
| function detect(bShowType,bShowVersion,bShowOptions) | ||
| { | ||
| if(Binary.getSize()>=9) | ||
| { | ||
| if(Binary.compare("04224d18")) | ||
| { | ||
| sVersion=""; | ||
| bDetected=1; | ||
| } | ||
| else if(Binary.compare("02214c18")) | ||
| { | ||
| sVersion="old"; | ||
| bDetected=1; | ||
| } | ||
| if(bDetected) | ||
| { | ||
| sOptions="block-size:"+Binary.readDword(7)+" byte"; | ||
| } | ||
| } | ||
|
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| return result(bShowType,bShowVersion,bShowOptions); | ||
| } | ||
| // DIE's signature file | ||
| // Author: LinXP | ||
| // doc-ref: https://github.com/inikep/lizard/blob/lizard/doc/lizard_Frame_format.md | ||
| init("archive",""); | ||
|
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||
| function detect(bShowType,bShowVersion,bShowOptions) | ||
| { | ||
| if(Binary.getSize()>=9) | ||
| { | ||
| bDetected=true; | ||
| switch(Binary.read_uint32(0x00,_BE)) | ||
| { | ||
| case 0x02214C18: sName="LZ4 compressed data, legacy (.LZ4)" ; break; | ||
| case 0x04224D18: sName="LZ4 compressed data (.LZ4)" ; break; | ||
| case 0x05224D18: sName="LZ5 compressed data (.LZ5)" ; break; | ||
| case 0x06224D18: sName="Lizard compressed data (.LIZ)" ; break; | ||
| default: bDetected=false; | ||
| } | ||
|
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| if(bDetected) | ||
| { | ||
| var bFlags=Binary.read_uint8(0x04); | ||
| if (bFlags & 64) { sVersion="v1"; } | ||
| if (bFlags & 128) { sVersion="v2"; } | ||
| if (bFlags & 64 && bFlags & 128) { sVersion="v3"; } | ||
| if (Binary.isVerbose()) | ||
| { | ||
| if (bFlags & 1 ) { sOption("PresetDictionary"); } | ||
| if (bFlags & 4 ) { sOption("ContentChecksum"); } | ||
| if (bFlags & 8 ) { sOption("ContentSize"); } | ||
| if (bFlags & 16) { sOption("BlockChecksum"); } | ||
| if (bFlags & 32) { sOption("BlockIndependence"); } | ||
| } | ||
| } | ||
| } | ||
|
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| return result(bShowType,bShowVersion,bShowOptions); | ||
| } |
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