libarchive: merge from vendor branch

Libarchive 3.7.3

New features:
#1941 uudecode filter: support file name and file mode in raw mode
#1943 7-zip reader: translate Windows permissions into UNI

libarchive: merge from vendor branch

Libarchive 3.7.3

New features:
#1941 uudecode filter: support file name and file mode in raw mode
#1943 7-zip reader: translate Windows permissions into UNIX
permissions
#1962 zstd filter now supports the "long" write option
#2012 add trailing letter b to bsdtar(1) substitute pattern
#2031 PCRE2 support
#2054 add support for long options "--group" and "--owner" to tar(1)

Security fixes:
#2101 Fix possible vulnerability in tar error reporting introduced
in f27c173

Important bugfixes:
#1974 ISO9660: preserve the natural order of links
#2105 rar5: fix infinite loop if during rar5 decompression the last
block produced no data
#2027 xz filter: fix incorrect eof at the end of an lzip member
#2043 zip: fix end-of-data marker processing when decompressing zip
archives

PR: 278315 (exp-run)
MFC after: 1 week

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MFV r305816:
Sync libarchive with vendor including important security fixes.

Issues fixed (FreeBSD):
PR #778: ACL error handling
Issue #745: Symlink check prefix optimization is too aggressive
Issue

MFV r305816:
Sync libarchive with vendor including important security fixes.

Issues fixed (FreeBSD):
PR #778: ACL error handling
Issue #745: Symlink check prefix optimization is too aggressive
Issue #746: Hard links with data can evade sandboxing restrictions

This update fixes the vulnerability #3 and vulnerability #4 as reported in
"non-cryptanalytic attacks against FreeBSD update components".
https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f

Fix for vulnerability #2 has already been merged in r304989.

MFC after: 1 week
Security: http://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f

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MFV r304060:
Sync libarchive with vendor including three security fixes

Vendor issues fixed:

Issue #744: Very long pathnames evade symlink checks
Issue #748: libarchive can compress, but cannot dec

MFV r304060:
Sync libarchive with vendor including three security fixes

Vendor issues fixed:

Issue #744: Very long pathnames evade symlink checks
Issue #748: libarchive can compress, but cannot decompress zip some files
PR #750: ustar: fix out of bounds read on empty string ("") filename
PR #755: fix use of acl_get_flagset_np() on FreeBSD

MFC after: 3 days

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