tools/addgnupghome

   1 #!/bin/sh
   2 # Add a new .gnupg home directory for a list of users         -*- sh -*-
   3 #
   4 # Copyright 2004 Free Software Foundation, Inc.
   5 #
   6 # This file is free software; as a special exception the author gives
   7 # unlimited permission to copy and/or distribute it, with or without
   8 # modifications, as long as this notice is preserved.
   9 #
  10 # This file is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
  12 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13
  14 PGM=addgnupghome
  15 any_error=0
  16
  17
  18 error () {
  19   echo "$PGM: $*" >&2
  20   any_error=1
  21 }
  22
  23 info () {
  24   echo "$PGM: $*" >&2
  25 }
  26
  27 # Do it for one user
  28 one_user () {
  29     user="$1"
  30     home=$(${cat_passwd} | awk -F: -v n="$user" '$1 == n {print $6}')
  31     if [ -z "$home" ]; then
  32         if ${cat_passwd} | awk -F: -v n="$user" '$1 == n {exit 1}'; then
  33             error "no such user \`$user'"
  34         else
  35             error "no home directory for user \`$user'"
  36         fi
  37         return
  38     fi
  39     if [ ! -d "$home" ]; then
  40         error "home directory \`$home' of user \`$user' does not exist"
  41         return
  42     fi
  43     if [ -d "$home/.gnupg" ]; then
  44         info "skipping user \`$user': \`.gnupg' already exists"
  45         return
  46     fi
  47     info "creating home directory \`$home/.gnupg' for \`$user'"
  48     if ! mkdir "$home/.gnupg" ; then
  49         error "error creating \`$home/.gnupg'"
  50         return
  51     fi
  52
  53     if ! chown $user "$home/.gnupg" ; then
  54         error "error changing ownership of \`$home/.gnupg'"
  55         return
  56     fi
  57
  58     group=$(id -g "$user")
  59     [ -z "$group" ] && group="0"
  60
  61     if [ "$group" -gt 0 ]; then
  62         if ! chgrp $group "$home/.gnupg" ; then
  63             error "error changing group of \`$home/.gnupg'"
  64             return
  65         fi
  66     fi
  67
  68     if ! cd "$home/.gnupg" ; then
  69         error "error cd-ing to \`$home/.gnupg'"
  70         return
  71     fi
  72     for f in $filelist; do
  73         if [ -d /etc/skel/.gnupg/$f ]; then
  74             mkdir $f
  75         else
  76             cp /etc/skel/.gnupg/$f $f
  77         fi
  78         if ! chown $user $f ; then
  79             error "error changing ownership of \`$f'"
  80             return
  81         fi
  82         if [ "$group" -gt 0 ]; then
  83             if ! chgrp $group "$f" ; then
  84                 error "error changing group of \`$f'"
  85                 return
  86             fi
  87         fi
  88     done
  89
  90 }
  91
  92 if [ -z "$1" ]; then
  93     echo "usage: $PGM userids"
  94     exit 1
  95 fi
  96
  97 # Check whether we can use getent
  98 if getent --help </dev/null >/dev/null 2>&1 ; then
  99     cat_passwd='getent passwd'
 100 else
 101     cat_passwd='cat /etc/passwd'
 102     info "please note that only users from /etc/passwd are checked"
 103 fi
 104
 105 if [ ! -d /etc/skel/.gnupg ]; then
 106     error "skeleton directory \`/etc/skel/.gnupg' does not exist"
 107     exit 1
 108 fi
 109 cd "/etc/skel/.gnupg" || (error "error cd-ing to \`/etc/skel/.gnupg'"; exit 1)
 110 filelist=$(find . \( -type f -or -type d \) -not -name '*~' -not -name . -print)
 111
 112
 113 if ! umask 0077 ; then
 114     error "error setting umask"
 115     exit 1
 116 fi
 117
 118 for name in $*; do
 119     one_user $name
 120 done
 121
 122 exit $any_error