MFH: tracking commit

Sponsored by: The FreeBSD Foundation

Merge head up to r262222 (last merge was incomplete).

MFC @ r259205 in preparation for some SVM updates. (for real this time)

MFH@261240.

login: Clean up PAM and audit, then exit, on SIGHUP and SIGTERM.

This avoids leaving stale entries in utmpx after the connection is closed on
an open login session. It also allows a clean way (SIGTE

login: Clean up PAM and audit, then exit, on SIGHUP and SIGTERM.

This avoids leaving stale entries in utmpx after the connection is closed on
an open login session. It also allows a clean way (SIGTERM) to forcibly
terminate a user's terminal session.

This does not affect the situation for "hung" processes after the connection
is closed. The foreground process group receives SIGHUP and the tty becomes
inaccessible.

Also replace all use of the obsolete signal() function with sigaction() (not
only the part where it is actually required: SIGHUP and SIGTERM must mask
the other as well when caught).

PR: misc/183495
Reviewed by: ed

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Merge head up to r258343.

Fix whitespace.

MFC

Call pam_setcred() before login_getpwclass to support home directories
on GSS-API authenticated NFS where the kerberos credentials need to be
saved so that the kernel can authenticate to the NFS serv

Call pam_setcred() before login_getpwclass to support home directories
on GSS-API authenticated NFS where the kerberos credentials need to be
saved so that the kernel can authenticate to the NFS server.

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Sync: merge r214077 through r214219 from ^/head.

Get rid of hand-rolled closefrom(3).

Remove copyright strings printed at login time via login(1) or sshd(8).
It is not clear to what this copyright should apply, and this is in line
with what other operating systems do.

For ssh specifi

Remove copyright strings printed at login time via login(1) or sshd(8).
It is not clear to what this copyright should apply, and this is in line
with what other operating systems do.

For ssh specifically, printing of the copyright string is not in the
upstream version so this reduces our FreeBSD-local diffs.

Approved by: core, des (ssh)

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IFH@204581

Merge from head at r201628.

# This hasn't been tested, and there are at least three bad commits
# that need to be backed out before the branch will be stable again.

ANSIfy various tools in usr.bin/.

Most of these tools properly build at WARNS=6, except for their K&R
function declarations. Fix this, so we can bump WARNS as well.

Revert most part of 200420 as requested, as more review and polish is
needed.

Remove unneeded header includes from usr.bin/ except contributed code.

Tested with: make universe

Merge from head

- Merge from HEAD

Don't strip TTY device name to the last '/'.

We've seen this bug in other applications before: we have some
applications that use strrchr(tty, '/') on the TTY device name. This
isn't valid when usin

Don't strip TTY device name to the last '/'.

We've seen this bug in other applications before: we have some
applications that use strrchr(tty, '/') on the TTY device name. This
isn't valid when using pts(4), because the device name will be stripped
to "0" instead of "pts/0".

This fixes issues with login(1) ignoring /etc/ttys and missing utmp
records.

Reported by: Barney Cordoba <barney_cordoba yahoo com>
Reviewed by: rwatson

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Significantly reduce the memory leak as noted in BUGS section for
setenv(3) by tracking the size of the memory allocated instead of using
strlen() on the current value.

Convert all calls to POSIX fr

Significantly reduce the memory leak as noted in BUGS section for
setenv(3) by tracking the size of the memory allocated instead of using
strlen() on the current value.

Convert all calls to POSIX from historic BSD API:
- unsetenv returns an int.
- putenv takes a char * instead of const char *.
- putenv no longer makes a copy of the input string.
- errno is set appropriately for POSIX. Exceptions involve bad environ
variable and internal initialization code. These both set errno to
EFAULT.

Several patches to base utilities to handle the POSIX changes from
Andrey Chernov's previous commit. A few I re-wrote to use setenv()
instead of putenv().

New regression module for tools/regression/environ to test these
functions. It also can be used to test the performance.

Bump __FreeBSD_version to 700050 due to API change.

PR: kern/99826
Approved by: wes
Approved by: re (kensmith)

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Back out all POSIXified *env() changes.

Not because I admit they are technically wrong and not because of bug
reports (I receive nothing). But because I surprisingly meets so
strong opposition and r

Back out all POSIXified *env() changes.

Not because I admit they are technically wrong and not because of bug
reports (I receive nothing). But because I surprisingly meets so
strong opposition and resistance so lost any desire to continue that.

Anyone who interested in POSIX can dig out what changes and how
through cvs diffs.

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Slightly tune previous fix: free memory if !export

Prepare for upcoming POSIXed putenv() rewrite:
don't free memory after putenv()

Teach login(1) about the make.conf NO_AUDIT variable. This allows us to
conditionally build in audit support.

Submitted by: bz
MFC after: 1 week