FreeBSD password databases (/etc/pwd.db, /etc/spwd.db) can contain records in one or both of two versions: * v3, a legacy architecture-dependent format * v4, the current architecture- and endian-independent format When v4 support was added in 2003 (r113596) pwd_mkdb emitted both v3 and v4 records in the output database. In 2015 r283981 added a -l option to control the emission of legacy v3 records; by default only v4 records are emitted. r283981's commit message states: The -l, -B and -L options are considered deprecated and will be removed in FreeBSD 12.0 release. I'd expect little impact if the -l, -B and -L options are removed, as r113596 is included in FreeBSD 5.1 and later. If legacy support is removed then software built on FreeBSD 5.0 or earlier will no longer be able to make use of password file data (via getpwent, getpwnam, etc.). Such software would still function inside of a jail that has a v3 password database, of course. Is anyone using pwd_mkdb's -l option and relying on legacy password database files in a non-jailed context?Received on Fri Apr 20 2018 - 11:42:31 UTC
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