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- #!/bin/sh
- # turn shadow passwords on or off on a Debian system
-
- set -e
-
- shadowon () {
- set -e
- pwck -q
- grpck -p
- pwconv
- grpconv
- chown root:root /etc/passwd /etc/group
- chmod 644 /etc/passwd /etc/group
- chown root:shadow /etc/shadow /etc/gshadow
- chmod 640 /etc/shadow /etc/gshadow
- }
-
- shadowoff () {
- set -e
- pwck -q
- grpck -p
- pwunconv
- grpunconv
- # sometimes the passwd perms get munged
- chown root:root /etc/passwd /etc/group
- chmod 644 /etc/passwd /etc/group
- }
-
- case "$1" in
- "on")
- if shadowon ; then
- echo Shadow passwords are now on.
- else
- echo Please correct the error and rerun \`$0 on\'
- exit 1
- fi
- ;;
- "off")
- if shadowoff ; then
- echo Shadow passwords are now off.
- else
- echo Please correct the error and rerun \`$0 off\'
- exit 1
- fi
- ;;
- *)
- echo Usage: $0 on \| off
- ;;
- esac
-