140 lines
2.8 KiB
Bash
Executable File
140 lines
2.8 KiB
Bash
Executable File
#! /bin/sh
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set -e
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# Load the debconf confmodule if it is available. It may not be because this
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# package is essential and therefore can't depend on debconf directly.
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if [ -f /usr/share/debconf/confmodule ]; then
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. /usr/share/debconf/confmodule
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fi
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changes=0
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askyesno () {
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if [ "$DEBIAN_FRONTEND" = "noninteractive" ] ; then
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a=y
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return
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fi
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while : ; do
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echo -n "$1 "
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read a || true
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if [ "$a" = "" ] ; then
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a="y"
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fi
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a=`echo $a | tr A-Z a-z`
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if [ "$a" = "y" ] || [ "$a" = "n" ] ; then
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break
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fi
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echo "Illegal answer"
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done
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}
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# A cut-down version of 'which' from debianutils.
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searchpath () {
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PROGRAM="$1"
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IFS_SAVE="$IFS"
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IFS=:
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RET=1
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for ELEMENT in $PATH; do
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if [ -z "$ELEMENT" ]; then
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ELEMENT=.
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fi
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if [ -f "$ELEMENT/$PROGRAM" ] && \
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[ -x "$ELEMENT/$PROGRAM" ]; then
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RET=0
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break
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fi
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done
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IFS="$IFS_SAVE"
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return "$RET"
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}
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if [ ! "$1" = "configure" ] ; then
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exit 0
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fi
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if [ ! -e "$DPKG_ROOT/etc/passwd" ] ; then
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cp "$DPKG_ROOT/usr/share/base-passwd/passwd.master" "$DPKG_ROOT/etc/passwd"
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fi
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if [ ! -e "$DPKG_ROOT/etc/group" ] ; then
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cp "$DPKG_ROOT/usr/share/base-passwd/group.master" "$DPKG_ROOT/etc/group"
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fi
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if [ "$2" = "3.2.2" ] && [ -f /etc/passwd.org ] ; then
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cat <<EOF
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You are upgrading from version 3.2.2 of base-passwd which had a nasty
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bug: it swapped the uid and gid of local accounts. If you have not
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fixed this problem manually I can undo the changes by restoring your
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previous passwd file from the backup /etc/passwd.org.
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EOF
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askyesno "Should I restore your passwd? [Y/n]"
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if [ "$a" = "y" ] ; then
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cat /etc/passwd.org > /etc/passwd
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changes=1
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fi
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fi
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tmp=`mktemp`
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if [ -n "$2" ] && ! update-passwd --dry-run > $tmp ; then
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if [ -f /usr/share/debconf/confmodule ] ; then
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db_version 2.0
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update-passwd --verbose
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changes=1
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else
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cat <<EOF
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update-passwd has found some differences between your system accounts
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and the current Debian defaults. It is advisable to allow update-passwd
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to change your system; without those changes some packages might not work
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correctly. For more documentation on the Debian account policies, please
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see /usr/share/doc/base-passwd/README.
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The list of proposed changes is:
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EOF
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cat $tmp
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cat <<EOF
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It is highly recommended that you allow update-passwd to make these changes
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(a backup file of modified files is made with the extension .org so you can
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always restore the current settings).
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EOF
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askyesno "May I update your system? [Y/n]"
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fi
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if [ "$a" = "y" ] ; then
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echo "Okay, I am going to make the necessary updates now"
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update-passwd --verbose
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changes=1
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elif [ "$a" = "n" ] ; then
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cat <<EOF
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Okay, I will not update your system. If you want to make this update later
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please check the update-passwd utility.
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EOF
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fi
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fi
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rm -f $tmp
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if [ "$changes" -gt 0 ] ; then
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if searchpath nscd; then
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nscd -i passwd -i group || true
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fi
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fi
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exit 0
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