Date: Fri, 24 Jul 2009 21:42:10 +0000 (UTC) From: Brooks Davis <brooks@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/lib/libc/gen initgroups.3 initgroups.c src/lib/libc/rpc auth_unix.c src/lib/libc/sys getgroups.2 setgroups.2 src/usr.bin/id id.c src/usr.bin/newgrp newgrp.c src/usr.bin/quota quota.c src/usr.sbin/chown chown.c ... Message-ID: <200907242142.n6OLgjij081180@repoman.freebsd.org>
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brooks 2009-07-24 21:42:10 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
lib/libc/gen initgroups.3 initgroups.c
lib/libc/rpc auth_unix.c
lib/libc/sys getgroups.2 setgroups.2
usr.bin/id id.c
usr.bin/newgrp newgrp.c
usr.bin/quota quota.c
usr.sbin/chown chown.c
usr.sbin/chroot chroot.c
usr.sbin/jail jail.c
usr.sbin/jexec jexec.c
usr.sbin/lpr/lpc lpc.c
Log:
SVN rev 195859 on 2009-07-24 21:42:10Z by brooks
MFC r194494 to improve support for 7.x worlds on >=8.0 kernels:
In preparation for raising NGROUPS and NGROUPS_MAX, change base
system callers of getgroups(), getgrouplist(), and setgroups() to
allocate buffers dynamically. Specifically, allocate a buffer of size
sysconf(_SC_NGROUPS_MAX)+1 (+2 in a few cases to allow for overflow).
This (or similar gymnastics) is required for the code to actually follow
the POSIX.1-2008 specification where {NGROUPS_MAX} may differ at runtime
and where getgroups may return {NGROUPS_MAX}+1 results on systems like
FreeBSD which include the primary group.
In id(1), don't pointlessly add the primary group to the list of all
groups, it is always the first result from getgroups(). In principle
the old code was more portable, but this was only done in one of the two
places where getgroups() was called to the overall effect was pointless.
Document the actual POSIX requirements in the getgroups(2) and
setgroups(2) manpages. We do not yet support a dynamic NGROUPS, but we
may in the future.
Revision Changes Path
1.13.2.1 +7 -0 src/lib/libc/gen/initgroups.3
1.9.2.1 +15 -6 src/lib/libc/gen/initgroups.c
1.18.2.1 +12 -6 src/lib/libc/rpc/auth_unix.c
1.13.2.1 +6 -4 src/lib/libc/sys/getgroups.2
1.14.2.1 +2 -4 src/lib/libc/sys/setgroups.2
1.33.2.2 +18 -7 src/usr.bin/id/id.c
1.2.20.1 +8 -4 src/usr.bin/newgrp/newgrp.c
1.31.2.1 +8 -2 src/usr.bin/quota/quota.c
1.29.18.1 +6 -2 src/usr.sbin/chown/chown.c
1.11.18.1 +7 -3 src/usr.sbin/chroot/chroot.c
1.25.2.2 +7 -2 src/usr.sbin/jail/jail.c
1.4.2.3 +7 -2 src/usr.sbin/jexec/jexec.c
1.31.2.1 +6 -2 src/usr.sbin/lpr/lpc/lpc.c
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