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init: fix devpts mounts permissions and group flags in order to mimic what happens on a real system

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Signed-off-by: Luca Di Maio <luca.dimaio1@gmail.com>
This commit is contained in:
Luca Di Maio
2024-02-27 12:46:44 +01:00
parent 7deab58648
commit fa59d45d1c
1 changed files with 6 additions and 1 deletions
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7
distrobox-init
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@@ -1415,12 +1415,17 @@ fi
###############################################################################
printf "distrobox: Setting up devpts mounts...\n"
# First we need to ensure we have a tty group to assign /dev/pts to
if ! grep -q tty /etc/group; then
printf "%s" 'tty:x:5:' >> /etc/group
fi
# Instantiate a new /dev/pts mount, this will ensure pseudoterminals are container-scoped
# and make easier in case of initful containers to have a separate /dev/console
#
# Podman supports a mount option to do this at creation time, but we're doing it
# here to support also other container rmanagers which does not support that flag
mount -t devpts devpts -o noexec,nosuid,newinstance,ptmxmode=0666,mode=0620 /dev/pts/
mount -t devpts devpts -o noexec,nosuid,newinstance,ptmxmode=0666,mode=0620,gid=tty /dev/pts/
mount --bind /dev/pts/ptmx /dev/ptmx
# Change mount propagation to shared to make the environment more similar to a