| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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The new macro is fully compatible with original (coreutils) code.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Let's make it possible to use debug.h without environment variables.
Suggested-by: J William Piggott <elseifthen@gmx.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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We have command line option -H to disable hostname in login prompt.
Unfortunately, in same cases (e.g. telnetd) it's impossible to specify
login(1) command line options due to hardcoded execl()...
This patch introduces LOGIN_PLAIN_PROMPT boolean for /etc/login.defs
to suppress hostname in the prompt.
Signed-off-by: Karel Zak <kzak@redhat.com>
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It seems better to deallocate logindefs.conf stuff in long time
running (=waiting) processes like login(1) and su(1).
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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* Start the ISO format flags at bit 0 instead of bit 1.
* Remove unnecessary _8601 from ISO format flag names to
avoid line wrapping and to ease readability.
* ISO timestamps have date-time-timzone in common, so move
the TIMEZONE flag to bit 2 causing all timestamp masks
to have the first three bits set and the last four bits
as timestamp 'options'.
* Change the 'SPACE' flag to a 'T' flag, because it makes
the code and comments more concise.
* Add common ISO timestamp masks.
* Implement the ISO timestamp masks in all applicable code
using the strxxx_iso() functions.
Signed-off-by: J William Piggott <elseifthen@gmx.com>
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This new function returns the GMT offset relative to its
argument. It is used in this patch to fix two bugs:
1) On platforms that the tm struct excludes tm_gmtoff,
hwclock assumes a one hour DST offset. This can cause
an incorrect kernel timezone setting. For example:
Master branch tested with tm_gmtoff illustrates the correct offset:
$ TZ="Australia/Lord_Howe" hwclock --hctosys --test | grep settimeofday
Calling settimeofday(1507494204.192398, -660)
Master branch tested without tm_gmtoff has an incorrect offset:
$ TZ="Australia/Lord_Howe" hwclock --hctosys --test | grep settimeofday
Calling settimeofday(1507494249.193852, -690)
Patched tested without tm_gmtoff has the correct offset:
$ TZ="Australia/Lord_Howe" hwclock --hctosys --test | grep settimeofday
Calling settimeofday(1507494260.194208, -660)
2) ISO 8601 'extended' format requires all time elements
to use a colon (:).
Current invalid ISO 8601:
$ hwclock
2017-10-08 16:25:17.895462-0400
Patched:
$ hwclock
2017-10-08 16:25:34.141895-04:00
Also required by this change:
login-utils/last.c: increase ISO out_len and in_len by one to
accommodate the addition of the timezone colon.
Signed-off-by: J William Piggott <elseifthen@gmx.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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The functions warnx(3) and gettext(3) are not safe to use within signal
handlers and should be avoided. Preparing the message beforehand and
calling write(2) as well as calling _exit(2) solves the problem.
[kzak@redhat.com: - use program_invocation_short_name rather than argv[0],
- use ignore_result() to keep compiler happy]
Signed-off-by: Karel Zak <kzak@redhat.com>
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We want to use waitpid() only when child is terminated or stopped to
pick up child status, otherwise PTY proxy has to be active. This is
difference between "su" and "su --pty". For "su" we keep parent all
time in waitpid().
It would be possible to use separate code based on signalfd_siginfo,
but it seems better to keep all this stuff on one place -- it means
wait_for_child().
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Not sure why I have problem with this years ago for script(1), but it
seems .fd=-1 is really enough to the ignore the FD.
Reported-by: Vaclav Dolezal <vdolezal@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
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Reported-by: Vaclav Dolezal <vdolezal@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
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The signal mask is used by pty_init_slave(), but it has never been
uninitialized before fork(), so child gets 0 as a mask :-(
Note that script(1) has no this issue because it opens signal-fd
before fork().
Reported-by: Vaclav Dolezal <vdolezal@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
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Add conditional -lutil to runuser when needed to avoid linking error.
login-utils/su-common.o: In function `pty_create':
login-utils/su-common.c:269: undefined reference to `openpty'
login-utils/su-common.c:273: undefined reference to `openpty'
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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For example if called more than once; to keep PTY code simple and
robust.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Fix child pid cleanup according to commit 0076012563ff34e294a6166d605118bcdd35f7e1.
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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This patch a little bit reorders signals initialization. The original
code unblocks SIGINT SIGQUIT before signal handler is set for the
signals. It means there is a small possible race.
It seems better to compose wanted mask, setup handlers and then
unblock all the wanted signals.
Signed-off-by: Karel Zak <kzak@redhat.com>
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- don't use magic numbers to index old actions
- don't use if () if ()
- make if() conditions more readable
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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The patch from master branch, somehow lost during su refactoring
rebase.
Reported-by: Tobias Stöckmann <tobias@stoeckmann.org>
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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