more robust dockerd-rootless-setuptools.sh

Fixing case where username may contain a backslash.
This case can happen for winbind/samba active directory domain users.

Signed-off-by: Jean-Michel Rouet <jean-michel.rouet@philips.com>

Use more meaningful variable name

Signed-off-by: Jean-Michel Rouet <jean-michel.rouet@philips.com>

Update contrib/dockerd-rootless-setuptool.sh

Co-authored-by: Akihiro Suda <suda.kyoto@gmail.com>
Signed-off-by: Jean-Michel Rouet <jean-michel.rouet@philips.com>

Use more meaningful variable name

Signed-off-by: Jean-Michel Rouet <jean-michel.rouet@philips.com>

Update contrib/dockerd-rootless-setuptool.sh

Co-authored-by: Akihiro Suda <suda.kyoto@gmail.com>
Signed-off-by: Jean-Michel Rouet <jean-michel.rouet@philips.com>
(cherry picked from commit 2f0ba0a7e5)
Signed-off-by: Ameya Gawde <agawde@mirantis.com>
This commit is contained in:
Jean-Michel Rouet 2022-11-04 11:27:25 +01:00 committed by Ameya Gawde
parent fdb9c710a7
commit 59e1e14929
No known key found for this signature in database
GPG key ID: 64765AF5C5C36611

View file

@ -37,6 +37,8 @@ BIN=""
SYSTEMD=""
CFG_DIR=""
XDG_RUNTIME_DIR_CREATED=""
USERNAME=""
USERNAME_ESCAPED=""
# run checks and also initialize global vars
init() {
@ -78,6 +80,11 @@ init() {
exit 1
fi
# Set USERNAME from `id -un` and potentially protect backslash
# for windbind/samba domain users
USERNAME=$(id -un)
USERNAME_ESCAPED=$(echo $USERNAME | sed 's/\\/\\\\/g')
# set CFG_DIR
CFG_DIR="${XDG_CONFIG_HOME:-$HOME/.config}"
@ -222,21 +229,21 @@ init() {
fi
# instructions: validate subuid/subgid files for current user
if ! grep -q "^$(id -un):\|^$(id -u):" /etc/subuid 2> /dev/null; then
if ! grep -q "^$USERNAME_ESCAPED:\|^$(id -u):" /etc/subuid 2> /dev/null; then
instructions=$(
cat <<- EOI
${instructions}
# Add subuid entry for $(id -un)
echo "$(id -un):100000:65536" >> /etc/subuid
# Add subuid entry for ${USERNAME}
echo "${USERNAME}:100000:65536" >> /etc/subuid
EOI
)
fi
if ! grep -q "^$(id -un):\|^$(id -u):" /etc/subgid 2> /dev/null; then
if ! grep -q "^$USERNAME_ESCAPED:\|^$(id -u):" /etc/subgid 2> /dev/null; then
instructions=$(
cat <<- EOI
${instructions}
# Add subgid entry for $(id -un)
echo "$(id -un):100000:65536" >> /etc/subgid
# Add subgid entry for ${USERNAME}
echo "${USERNAME}:100000:65536" >> /etc/subgid
EOI
)
fi
@ -339,7 +346,7 @@ install_systemd() {
)
INFO "Installed ${SYSTEMD_UNIT} successfully."
INFO "To control ${SYSTEMD_UNIT}, run: \`systemctl --user (start|stop|restart) ${SYSTEMD_UNIT}\`"
INFO "To run ${SYSTEMD_UNIT} on system startup, run: \`sudo loginctl enable-linger $(id -un)\`"
INFO "To run ${SYSTEMD_UNIT} on system startup, run: \`sudo loginctl enable-linger ${USERNAME}\`"
echo
}