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|
#!/bin/sh
#
# ssh-user-config, Copyright 2000, Red Hat Inc.
#
# This file is part of the Cygwin port of OpenSSH.
progname=$0
auto_answer=""
auto_passphrase="no"
passphrase=""
request()
{
if [ "${auto_answer}" = "yes" ]
then
return 0
elif [ "${auto_answer}" = "no" ]
then
return 1
fi
answer=""
while [ "X${answer}" != "Xyes" -a "X${answer}" != "Xno" ]
do
echo -n "$1 (yes/no) "
read answer
done
if [ "X${answer}" = "Xyes" ]
then
return 0
else
return 1
fi
}
# Check options
while :
do
case $# in
0)
break
;;
esac
option=$1
shift
case "$option" in
-d | --debug )
set -x
;;
-y | --yes )
auto_answer=yes
;;
-n | --no )
auto_answer=no
;;
-p | --passphrase )
with_passphrase="yes"
passphrase=$1
shift
;;
*)
echo "usage: ${progname} [OPTION]..."
echo
echo "This script creates an OpenSSH user configuration."
echo
echo "Options:"
echo " --debug -d Enable shell's debug output."
echo " --yes -y Answer all questions with \"yes\" automatically."
echo " --no -n Answer all questions with \"no\" automatically."
echo " --passphrase -p word Use \"word\" as passphrase automatically."
echo
exit 1
;;
esac
done
# Ask user if user identity should be generated
if [ ! -f /etc/passwd ]
then
echo '/etc/passwd is nonexistant. Please generate an /etc/passwd file'
echo 'first using mkpasswd. Check if it contains an entry for you and'
echo 'please care for the home directory in your entry as well.'
exit 1
fi
uid=`id -u`
pwdhome=`awk -F: '{ if ( $3 == '${uid}' ) print $6; }' < /etc/passwd`
if [ "X${pwdhome}" = "X" ]
then
echo 'There is no home directory set for you in /etc/passwd.'
echo 'Setting $HOME is not sufficient!'
exit 1
fi
if [ ! -d "${pwdhome}" ]
then
echo "${pwdhome} is set in /etc/passwd as your home directory"
echo 'but it is not a valid directory. Cannot create user identity files.'
exit 1
fi
# If home is the root dir, set home to empty string to avoid error messages
# in subsequent parts of that script.
if [ "X${pwdhome}" = "X/" ]
then
# But first raise a warning!
echo 'Your home directory in /etc/passwd is set to root (/). This is not recommended!'
if request "Would you like to proceed anyway?"
then
pwdhome=''
else
exit 1
fi
fi
if [ -e "${pwdhome}/.ssh" -a ! -d "${pwdhome}/.ssh" ]
then
echo "${pwdhome}/.ssh is existant but not a directory. Cannot create user identity files."
exit 1
fi
if [ ! -e "${pwdhome}/.ssh" ]
then
mkdir "${pwdhome}/.ssh"
if [ ! -e "${pwdhome}/.ssh" ]
then
echo "Creating users ${pwdhome}/.ssh directory failed"
exit 1
fi
fi
if [ ! -f "${pwdhome}/.ssh/identity" ]
then
if request "Shall I create an SSH1 RSA identity file for you?"
then
echo "Generating ${pwdhome}/.ssh/identity"
if [ "${with_passphrase}" = "yes" ]
then
ssh-keygen -t rsa1 -N "${passphrase}" -f "${pwdhome}/.ssh/identity" > /dev/null
else
ssh-keygen -t rsa1 -f "${pwdhome}/.ssh/identity" > /dev/null
fi
if request "Do you want to use this identity to login to this machine?"
then
echo "Adding to ${pwdhome}/.ssh/authorized_keys"
cat "${pwdhome}/.ssh/identity.pub" >> "${pwdhome}/.ssh/authorized_keys"
fi
fi
fi
if [ ! -f "${pwdhome}/.ssh/id_rsa" ]
then
if request "Shall I create an SSH2 RSA identity file for you? (yes/no) "
then
echo "Generating ${pwdhome}/.ssh/id_rsa"
if [ "${with_passphrase}" = "yes" ]
then
ssh-keygen -t rsa -N "${passphrase}" -f "${pwdhome}/.ssh/id_rsa" > /dev/null
else
ssh-keygen -t rsa -f "${pwdhome}/.ssh/id_rsa" > /dev/null
fi
if request "Do you want to use this identity to login to this machine?"
then
echo "Adding to ${pwdhome}/.ssh/authorized_keys2"
cat "${pwdhome}/.ssh/id_rsa.pub" >> "${pwdhome}/.ssh/authorized_keys2"
fi
fi
fi
if [ ! -f "${pwdhome}/.ssh/id_dsa" ]
then
if request "Shall I create an SSH2 DSA identity file for you? (yes/no) "
then
echo "Generating ${pwdhome}/.ssh/id_dsa"
if [ "${with_passphrase}" = "yes" ]
then
ssh-keygen -t dsa -N "${passphrase}" -f "${pwdhome}/.ssh/id_dsa" > /dev/null
else
ssh-keygen -t dsa -f "${pwdhome}/.ssh/id_dsa" > /dev/null
fi
if request "Do you want to use this identity to login to this machine?"
then
echo "Adding to ${pwdhome}/.ssh/authorized_keys2"
cat "${pwdhome}/.ssh/id_dsa.pub" >> "${pwdhome}/.ssh/authorized_keys2"
fi
fi
fi
echo
echo "Configuration finished. Have fun!"
|
