112 lines
2.2 KiB
Bash
Executable file
112 lines
2.2 KiB
Bash
Executable file
#!/bin/sh -e
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#
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# (Un)registers systems accounts (users/groups).
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#
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# Arguments: $ACTION = [run/targets]
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# $TARGET = [post-install/pre-remove]
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# $PKGNAME
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# $VERSION
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# $UPDATE = [yes/no]
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#
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ACTION="$1"
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TARGET="$2"
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PKGNAME="$3"
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VERSION="$4"
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UPDATE="$5"
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USERADD=usr/sbin/useradd
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USERDEL=usr/sbin/userdel
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GROUPADD=usr/sbin/groupadd
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GROUPDEL=usr/sbin/groupdel
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PASSWD=usr/bin/passwd
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GETENT=usr/bin/getent
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group_add()
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{
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local grp="$1"
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if ! $GETENT group ${grp} >/dev/null; then
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$GROUPADD -r ${grp} >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "Created ${grp} system group."
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else
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echo "Failed to create ${grp} system group!"
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exit 1
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fi
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fi
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}
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case "$ACTION" in
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targets)
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echo "post-install pre-remove"
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;;
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run)
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if [ ! -x $USERADD -a ! -x $GROUPADD -a ! -x $PASSWD -a ! -x $GETENT ]; then
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exit 0
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fi
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if [ -z "$system_accounts" -a -z "$system_groups" ]; then
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exit 0
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fi
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case "$TARGET" in
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post-install)
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# System groups required by a package.
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for grp in ${system_groups}; do
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group_add $grp
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done
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# System user/group required by a package.
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for acct in ${system_accounts}; do
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eval homedir="\$${acct}_homedir"
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eval shell="\$${acct}_shell"
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eval descr="\$${acct}_descr"
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eval groups="\$${acct}_groups"
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[ -z "$homedir" ] && homedir="/"
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[ -z "$shell" ] && shell="/sbin/nologin"
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[ -z "$descr" ] && descr="$acct unpriviledged user"
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[ -n "$groups" ] && user_groups="-G $groups"
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group_add $acct
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if ! $GETENT passwd ${acct} >/dev/null; then
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$USERADD -c "$descr" -d "$homedir" \
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-s "$shell" -g ${acct} $user_groups \
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-r ${acct} && \
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$PASSWD -l ${acct} >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "Created ${acct} system user."
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else
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echo "Failed to create ${acct} system user!"
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exit 1
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fi
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fi
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done
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;;
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pre-remove)
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#
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# Only unregister if we aren't updating a package.
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#
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if [ "$UPDATE" = "no" ]; then
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for acct in ${system_accounts}; do
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$USERDEL ${acct} >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "Removed ${acct} system user/group."
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fi
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done
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for grp in ${system_groups}; do
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$GROUPDEL ${grp} >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "Removed ${grp} system group."
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fi
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done
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fi
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;;
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esac
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;;
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*)
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exit 1
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;;
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esac
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exit 0
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