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3d2157e707
This flag was added indb6aedab92with the justification that locale environment variables should be preserved by the user session. However, the companion patch to drop the UnsetEnvironment= directive blocking these variables was never merged, so the intended change was never effected. While the patch was ineffective toward its stated goal, the "-p" option does have material negative consequences for the user session in systemd — environment variables to support the use of credentials and memory pressure directives, such as $CREDENTIALS_DIRECTORY and $MEMORY_PRESSURE_WATCH, which are now directly used by agetty and login, get leaked into the user session potentially breaking applications that rely on these values. E.g. systemd-ask-password fails from the tty when $CREDENTIALS_DIRECTORY has been leaked from agetty, because it expects to be able to access credentials in $CREDENTIALS_DIRECTORY. This effectively revertsdb6aedab92. References:db6aedab92(units: Tell login to preserve environment (#6023), 2017-05-24)
67 lines
2.1 KiB
SYSTEMD
67 lines
2.1 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=Getty on %I
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Documentation=man:agetty(8) man:systemd-getty-generator(8)
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Documentation=https://0pointer.de/blog/projects/serial-console.html
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After=systemd-user-sessions.service plymouth-quit-wait.service getty-pre.target
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{% if HAVE_SYSV_COMPAT %}
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After=rc-local.service
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{% endif %}
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# If additional gettys are spawned during boot then we should make
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# sure that this is synchronized before getty.target, even though
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# getty.target didn't actually pull it in.
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Before=getty.target
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IgnoreOnIsolate=yes
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# IgnoreOnIsolate causes issues with sulogin, if someone isolates
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# rescue.target or starts rescue.service from multi-user.target or
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# graphical.target.
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Conflicts=rescue.service
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Before=rescue.service
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# On systems without virtual consoles, don't start any getty. Note
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# that serial gettys are covered by serial-getty@.service, not this
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# unit.
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ConditionPathExists=/dev/tty0
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[Service]
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# The '-o' option value tells agetty to replace 'login' arguments with '--' for
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# safety, and then the entered username.
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ExecStart=-/sbin/agetty -o '-- \\u' --noreset --noclear - ${TERM}
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Type=idle
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Restart=always
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RestartSec=0
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UtmpIdentifier=%I
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StandardInput=tty
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StandardOutput=tty
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TTYPath=/dev/%I
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TTYReset=yes
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TTYVHangup=yes
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TTYVTDisallocate=yes
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{% if not ENABLE_LOGIND %}
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KillMode=process
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{% endif %}
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IgnoreSIGPIPE=no
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SendSIGHUP=yes
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ImportCredential=tty.virtual.%I.agetty.*:agetty.
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ImportCredential=tty.virtual.%I.login.*:login.
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ImportCredential=agetty.*
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ImportCredential=login.*
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# Unset locale for the console getty since the console has problems
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# displaying some internationalized messages.
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UnsetEnvironment=LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT LC_IDENTIFICATION
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[Install]
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WantedBy=getty.target
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DefaultInstance=tty1
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