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tarfile: set directory mode to at least 0500, don't extract fflags

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We don't need SGID, or any ACL's. We also want to keep every dir +rx.
This commit is contained in:
Yorick 2022-11-01 15:46:30 +01:00
parent 0edba4cc1e
commit 34ea0e2e7b
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1 changed files with 5 additions and 3 deletions
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8
src/libutil/tarfile.cc
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@ -77,9 +77,7 @@ TarArchive::~TarArchive()
static void extract_archive(TarArchive & archive, const Path & destDir)
{
int flags = ARCHIVE_EXTRACT_FFLAGS
| ARCHIVE_EXTRACT_PERM
| ARCHIVE_EXTRACT_TIME
int flags = ARCHIVE_EXTRACT_TIME
| ARCHIVE_EXTRACT_SECURE_SYMLINKS
| ARCHIVE_EXTRACT_SECURE_NODOTDOT;
@ -98,6 +96,10 @@ static void extract_archive(TarArchive & archive, const Path & destDir)
archive_entry_copy_pathname(entry,
(destDir + "/" + name).c_str());
// sources can and do contain dirs with no rx bits
if (archive_entry_filetype(entry) == AE_IFDIR && (archive_entry_mode(entry) & 0500) != 0500)
archive_entry_set_mode(entry, archive_entry_mode(entry) | 0500);
// Patch hardlink path
const char *original_hardlink = archive_entry_hardlink(entry);
if (original_hardlink) {