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8218021: Have jarsigner preserve posix permission attributes

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Reviewed-by: weijun, lancea, alanb
This commit is contained in:
Sean Coffey 2020-07-02 08:17:31 +00:00
parent dc63bf261b
commit 3d9bad16d1
14 changed files with 292 additions and 17 deletions
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16
src/java.base/share/classes/java/util/zip/ZipOutputStream.java
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@ -506,6 +506,15 @@ public class ZipOutputStream extends DeflaterOutputStream implements ZipConstant
}
}
/**
* Adds information about compatibility of file attribute information
* to a version value.
*/
private int versionMadeBy(ZipEntry e, int version) {
return (e.posixPerms < 0) ? version :
VERSION_MADE_BY_BASE_UNIX | (version & 0xff);
}
/*
* Write central directory (CEN) header for specified entry.
* REMIND: add support for file attributes
@ -537,10 +546,10 @@ public class ZipOutputStream extends DeflaterOutputStream implements ZipConstant
}
writeInt(CENSIG); // CEN header signature
if (hasZip64) {
writeShort(45); // ver 4.5 for zip64
writeShort(versionMadeBy(e,45)); // ver 4.5 for zip64
writeShort(45);
} else {
writeShort(version); // version made by
writeShort(versionMadeBy(e, version)); // version made by
writeShort(version); // version needed to extract
}
writeShort(flag); // general purpose bit flag
@ -597,7 +606,8 @@ public class ZipOutputStream extends DeflaterOutputStream implements ZipConstant
}
writeShort(0); // starting disk number
writeShort(0); // internal file attributes (unused)
writeInt(0); // external file attributes (unused)
// external file attributes, used for storing posix permissions
writeInt(e.posixPerms > 0 ? e.posixPerms << 16 : 0);
writeInt(offset); // relative offset of local header
writeBytes(nameBytes, 0, nameBytes.length);