local/roundcube-chpasswd

   1 #!/bin/sh -efu
   2
   3 test "$(id -n -u)" = php_roundcube
   4
   5 IFS=: read -r user password
   6 IFS=@ read -r user domain <<-EOF
   7         $user
   8         EOF
   9 test "${user:+set"}"
  10 test "${domain:+set"}"
  11 test "${password:+set"}"
  12
  13 umask 0077
  14 dir_passwd=/etc/dovecot/"$domain"
  15 old_passwd="$dir_passwd"/passwd
  16 new_passwd=$(TMPDIR= /bin/mktemp --tmpdir="$dir_passwd" -t "passwd.XXXXXXXX.tmp")
  17 return=1
  18 while IFS=: read <&4 -r passwd_user passwd_password passwd_x
  19  do
  20         case "$passwd_user" in
  21          ("$user")
  22                 return=0
  23                 /bin/cat >&3 <<-EOF
  24                         $user:$(/usr/bin/doveadm pw -s SHA512-CRYPT -p "$password"):$passwd_x
  25                         EOF
  26                 ;;
  27          ('') : ;;
  28          (*)
  29                 /bin/cat >&3 <<-EOF
  30                         $passwd_user:$passwd_password:$passwd_x
  31                         EOF
  32                 ;;
  33          esac
  34  done 3>"$new_passwd" 4<<-EOF
  35         $(/bin/cat "$old_passwd")
  36         EOF
  37 /bin/mv -f "$new_passwd" "$old_passwd"
  38 exit $return