tar: fix reproducibility issue
Force root/root as names for uid0/gid0 instead of using the system names. This helps make packed download tarballs more reproducible Signed-off-by: Felix Fietkau <nbd@nbd.name>
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tools/tar/patches/100-symlink-force-root-name.patch
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tools/tar/patches/100-symlink-force-root-name.patch
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Force root/root as names for uid0/gid0 instead of using the system
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names. This helps make packed download tarballs more reproducible
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/src/create.c
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+++ b/src/create.c
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@@ -545,12 +545,8 @@ write_gnu_long_link (struct tar_stat_inf
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char *tmpname;
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header = start_private_header ("././@LongLink", size, 0);
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- uid_to_uname (0, &tmpname);
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- UNAME_TO_CHARS (tmpname, header->header.uname);
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- free (tmpname);
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- gid_to_gname (0, &tmpname);
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- GNAME_TO_CHARS (tmpname, header->header.gname);
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- free (tmpname);
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+ UNAME_TO_CHARS ("root", header->header.uname);
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+ GNAME_TO_CHARS ("root", header->header.gname);
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strcpy (header->buffer + offsetof (struct posix_header, magic),
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OLDGNU_MAGIC);
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