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tmpfiles: change btmp mode 0600 → 0660 (#6997)

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As discussed in #6994.

Fixes: #6994
This commit is contained in:
Lennart Poettering 2017-10-04 21:44:29 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent 98e4fcec36
commit f6e64b78cc
2 changed files with 10 additions and 1 deletions
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9
NEWS
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@ -193,6 +193,15 @@ CHANGES WITH 235:
* .timer units now accept calendar specifications in other timezones
than UTC or the local timezone.
* The tmpfiles snippet var.conf has been changed to create
/var/log/btmp with access mode 0660 instead of 0600. It has been
owned by the "utmp" group already, and it appears to be generally
understood that members of "utmp" can modify/flush the
utmp/wtmp/lastlog/btmp databases. Previously this was implemented
correctly for all these database excepts btmp, which has been opened
up like this now too. Note that while the other databases are
world-readable (i.e. 0644), btmp is not and remains more restrictive.
Contributions from: Abdó Roig-Maranges, Alan Jenkins, Alexander
Kuleshov, Andreas Rammhold, Andrew Jeddeloh, Andrew Soutar, Ansgar
Burchardt, b1tninja, bengal, Benjamin Berg, Benjamin Robin, Charles

2
tmpfiles.d/var.conf.m4
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@ -14,7 +14,7 @@ L /var/run - - - - ../run
d /var/log 0755 - - -
m4_ifdef(`ENABLE_UTMP',
f /var/log/wtmp 0664 root utmp -
f /var/log/btmp 0600 root utmp -
f /var/log/btmp 0660 root utmp -
f /var/log/lastlog 0664 root utmp -
)m4_dnl