2015-10-26 15:25:58 +01:00
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#!/bin/bash
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2015-11-02 09:13:11 +01:00
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Adds an user to the system
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# License
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# =======
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#
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# Copyright (C) 2015 Bob Mottram <bob@robotics.uk.to>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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2015-10-26 15:25:58 +01:00
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MY_USERNAME=$1
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2015-10-31 21:26:00 +01:00
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SSH_PUBLIC_KEY="$2"
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2015-10-26 15:25:58 +01:00
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GPG_KEYSERVER='hkp://keys.gnupg.net'
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SSH_PORT=2222
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2015-10-27 11:50:41 +01:00
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COMPLETION_FILE=$HOME/freedombone-completed.txt
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2015-10-26 15:25:58 +01:00
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if [ ! $MY_USERNAME ]; then
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echo 'No username was given'
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2015-10-26 18:21:38 +01:00
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exit 1
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2015-10-26 15:25:58 +01:00
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fi
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if [ -d /home/$MY_USERNAME ]; then
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echo "The user $MY_USERNAME already exists"
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2015-10-26 18:21:38 +01:00
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exit 2
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2015-10-26 15:25:58 +01:00
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fi
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2015-10-27 11:50:41 +01:00
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if [ ! -f $COMPLETION_FILE ]; then
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echo "$COMPLETION_FILE not found"
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userdel -r $MY_USERNAME
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exit 3
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fi
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2015-10-26 15:25:58 +01:00
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NEW_USER_PASSWORD="$(openssl rand -base64 10 | cut -c1-8)"
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useradd -m -p "$NEW_USER_PASSWORD" -s /bin/bash $MY_USERNAME
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adduser $MY_USERNAME sasl
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if [ ! -d /home/$MY_USERNAME ]; then
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2015-10-26 18:21:38 +01:00
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echo 'Home directory was not created'
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2015-10-27 11:50:41 +01:00
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exit 4
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2015-10-26 15:25:58 +01:00
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fi
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2015-10-31 21:26:00 +01:00
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if [ "$SSH_PUBLIC_KEY" ]; then
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if [ ${#SSH_PUBLIC_KEY} -gt 5 ]; then
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2015-10-31 21:28:03 +01:00
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if [ -f "$SSH_PUBLIC_KEY" ]; then
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2015-10-29 10:37:27 +01:00
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mkdir /home/$MY_USERNAME/.ssh
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2015-10-31 21:26:00 +01:00
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cp $SSH_PUBLIC_KEY /home/$MY_USERNAME/.ssh/authorized_keys
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2015-11-01 11:03:26 +01:00
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chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
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2015-10-29 10:37:27 +01:00
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echo 'ssh public key installed'
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else
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2015-10-31 21:28:03 +01:00
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if [[ "$SSH_PUBLIC_KEY" == "ssh-"* ]]; then
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2015-10-31 21:26:00 +01:00
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mkdir /home/$MY_USERNAME/.ssh
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2015-10-31 21:28:03 +01:00
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echo "$SSH_PUBLIC_KEY" > /home/$MY_USERNAME/.ssh/authorized_keys
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2015-11-01 11:03:26 +01:00
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chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
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2015-10-31 21:26:00 +01:00
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echo 'ssh public key installed'
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else
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echo 'The second parameter does not look like an ssh key'
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exit 5
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fi
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2015-10-29 10:37:27 +01:00
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fi
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fi
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fi
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2015-10-26 15:25:58 +01:00
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if [ ! -d /home/$MY_USERNAME/Maildir ]; then
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2015-10-26 18:21:38 +01:00
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echo 'Email directory was not created'
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userdel -r $MY_USERNAME
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2015-10-29 10:37:27 +01:00
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exit 6
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2015-10-26 15:25:58 +01:00
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fi
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2015-10-26 20:16:26 +01:00
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if grep -q "set from=" /home/$MY_USERNAME/.muttrc; then
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sed -i "s|set from=.*|set from='$MY_USERNAME <$MY_USERNAME@$HOSTNAME>'|g" /home/$MY_USERNAME/.muttrc
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else
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echo "set from='$MY_USERNAME <$MY_USERNAME@$HOSTNAME>'" >> /home/$MY_USERNAME/.muttrc
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fi
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2015-10-27 20:05:29 +01:00
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USERN='$USER@'
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sed -i "s|$USERN|$MY_USERNAME@|g" /home/$MY_USERNAME/.procmailrc
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2015-10-26 21:22:59 +01:00
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2015-10-26 15:25:58 +01:00
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# generate a gpg key
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echo "Making a GPG key for $MY_USERNAME@$HOSTNAME"
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mkdir /home/$MY_USERNAME/.gnupg
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echo "keyserver $GPG_KEYSERVER" >> /home/$MY_USERNAME/.gnupg/gpg.conf
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echo 'keyserver-options auto-key-retrieve' >> /home/$MY_USERNAME/.gnupg/gpg.conf
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echo '' >> /home/$MY_USERNAME/.gnupg/gpg.conf
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echo '# default preferences' >> /home/$MY_USERNAME/.gnupg/gpg.conf
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echo 'personal-digest-preferences SHA256' >> /home/$MY_USERNAME/.gnupg/gpg.conf
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echo 'cert-digest-algo SHA256' >> /home/$MY_USERNAME/.gnupg/gpg.conf
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echo 'default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES CAST5 ZLIB BZIP2 ZIP Uncompressed' >> /home/$MY_USERNAME/.gnupg/gpg.conf
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chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.gnupg
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chmod 700 /home/$MY_USERNAME/.gnupg
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chmod 600 /home/$MY_USERNAME/.gnupg/*
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# Generate a GPG key
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echo 'Key-Type: 1' > /home/$MY_USERNAME/gpg-genkey.conf
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echo 'Key-Length: 4096' >> /home/$MY_USERNAME/gpg-genkey.conf
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echo 'Subkey-Type: 1' >> /home/$MY_USERNAME/gpg-genkey.conf
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echo 'Subkey-Length: 4096' >> /home/$MY_USERNAME/gpg-genkey.conf
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echo "Name-Real: $MY_USERNAME" >> /home/$MY_USERNAME/gpg-genkey.conf
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echo "Name-Email: $MY_USERNAME@$HOSTNAME" >> /home/$MY_USERNAME/gpg-genkey.conf
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echo 'Expire-Date: 0' >> /home/$MY_USERNAME/gpg-genkey.conf
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chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/gpg-genkey.conf
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su -c "gpg --batch --gen-key /home/$MY_USERNAME/gpg-genkey.conf" - $MY_USERNAME
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shred -zu /home/$MY_USERNAME/gpg-genkey.conf
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MY_GPG_PUBLIC_KEY_ID=$(su -c "gpg --list-keys $MY_USERNAME@$HOSTNAME | grep 'pub '" - $MY_USERNAME | awk -F ' ' '{print $2}' | awk -F '/' '{print $2}')
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2015-10-26 18:21:38 +01:00
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MY_GPG_PUBLIC_KEY=/home/$MY_USERNAME/public_key.gpg
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2015-10-26 15:25:58 +01:00
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su -c "gpg --output $MY_GPG_PUBLIC_KEY --armor --export $MY_GPG_PUBLIC_KEY_ID" - $MY_USERNAME
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2015-10-26 18:21:38 +01:00
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if [ ! -f $MY_GPG_PUBLIC_KEY ]; then
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echo "GPG public key was not generated for $MY_USERNAME@$HOSTNAME $MY_GPG_PUBLIC_KEY_ID"
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userdel -r $MY_USERNAME
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2015-10-29 10:37:27 +01:00
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exit 7
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2015-10-26 18:21:38 +01:00
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fi
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2015-10-26 20:16:26 +01:00
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# encrypt outgoing mail to the "sent" folder
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if ! grep -q "pgp_encrypt_only_command" /home/$MY_USERNAME/.muttrc; then
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echo '' >> /home/$MY_USERNAME/.muttrc
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echo '# Encrypt items in the Sent folder' >> /home/$MY_USERNAME/.muttrc
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echo "set pgp_encrypt_only_command=\"/usr/lib/mutt/pgpewrap gpg --batch --quiet --no-verbose --output - --encrypt --textmode --armor --always-trust --encrypt-to 0x$MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\"" >> /home/$MY_USERNAME/.muttrc
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else
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sed -i "s|set pgp_encrypt_only_command.*|set pgp_encrypt_only_command=\"/usr/lib/mutt/pgpewrap gpg --batch --quiet --no-verbose --output - --encrypt --textmode --armor --always-trust --encrypt-to 0x$MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\"|g" /home/$MY_USERNAME/.muttrc
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fi
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if ! grep -q "pgp_encrypt_sign_command" /home/$MY_USERNAME/.muttrc; then
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echo "set pgp_encrypt_sign_command=\"/usr/lib/mutt/pgpewrap gpg %?p?--passphrase-fd 0? --batch --quiet --no-verbose --textmode --output - --encrypt --sign %?a?-u %a? --armor --always-trust --encrypt-to 0x$MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\"" >> /home/$MY_USERNAME/.muttrc
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else
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sed -i "s|set pgp_encrypt_sign_command.*|set pgp_encrypt_sign_command=\"/usr/lib/mutt/pgpewrap gpg %?p?--passphrase-fd 0? --batch --quiet --no-verbose --textmode --output - --encrypt --sign %?a?-u %a? --armor --always-trust --encrypt-to 0x$MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\"|g" /home/$MY_USERNAME/.muttrc
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fi
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2015-10-26 15:25:58 +01:00
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if ! grep -q "Change your GPG password" /home/$MY_USERNAME/README; then
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echo '' >> /home/$MY_USERNAME/README
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echo '' >> /home/$MY_USERNAME/README
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echo 'Change your GPG password' >> /home/$MY_USERNAME/README
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echo '========================' >> /home/$MY_USERNAME/README
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echo "It's very important to add a password to your GPG key so that" >> /home/$MY_USERNAME/README
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echo "if anyone does get access to your email they still won't be able" >> /home/$MY_USERNAME/README
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echo 'to read them without knowning the GPG password.' >> /home/$MY_USERNAME/README
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echo 'You can change the it with:' >> /home/$MY_USERNAME/README
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echo '' >> /home/$MY_USERNAME/README
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echo " gpg --edit-key $MY_GPG_PUBLIC_KEY_ID" >> /home/$MY_USERNAME/README
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echo ' passwd' >> /home/$MY_USERNAME/README
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echo ' save' >> /home/$MY_USERNAME/README
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echo ' quit' >> /home/$MY_USERNAME/README
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fi
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if ! grep -q "Publish your GPG public key" /home/$MY_USERNAME/README; then
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echo '' >> /home/$MY_USERNAME/README
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echo '' >> /home/$MY_USERNAME/README
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echo 'Publish your GPG public key' >> /home/$MY_USERNAME/README
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echo '===========================' >> /home/$MY_USERNAME/README
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echo 'So that others can send emails to you securely you should' >> /home/$MY_USERNAME/README
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echo 'publish your GPG public key with the command:' >> /home/$MY_USERNAME/README
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echo '' >> /home/$MY_USERNAME/README
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echo " gpg --send-keys $MY_GPG_PUBLIC_KEY_ID" >> /home/$MY_USERNAME/README
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fi
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chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
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2015-10-26 18:21:38 +01:00
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chown $MY_USERNAME:$MY_USERNAME $MY_GPG_PUBLIC_KEY
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2015-10-26 15:25:58 +01:00
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chmod 600 /home/$MY_USERNAME/README
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2015-11-02 11:33:03 +01:00
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if grep -q "install_xmpp" $COMPLETION_FILE; then
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echo "Adding an XMPP account for $MY_USERNAME"
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freedombone-addxmpp -e "$MY_USERNAME@$HOSTNAME" -p "$NEW_USER_PASSWORD"
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if [ ! "$?" = "0" ]; then
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echo "XMPP account not created"
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userdel -r $MY_USERNAME
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exit 8
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fi
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2015-10-27 11:50:41 +01:00
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fi
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if grep -q "Blog domain" $COMPLETION_FILE; then
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FULLBLOG_DOMAIN_NAME=$(cat $COMPLETION_FILE | grep "Blog domain" | awk -F ':' '{print $2}')
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if [ ! -d /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users ]; then
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echo 'Blog users directory not found'
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userdel -r $MY_USERNAME
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2015-10-29 10:37:27 +01:00
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exit 9
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2015-10-27 11:50:41 +01:00
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fi
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echo ';Password' > /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
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echo "password = '$NEW_USER_PASSWORD'" >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
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echo 'encryption = clear' >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
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echo ';Role' >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
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echo 'role = admin' >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
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echo "$MY_USERNAME added as a blog user"
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2015-10-26 18:25:59 +01:00
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fi
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2015-10-26 15:25:58 +01:00
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2015-11-02 11:31:49 +01:00
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if grep -q "install_sip" $COMPLETION_FILE; then
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freedombone-addsipuser -u $MY_USERNAME -e $SIP_EXTENSION -p "$NEW_USER_PASSWORD"
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if [ ! "$?" = "0" ]; then
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echo 'SIP user could not be added'
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userdel -r $MY_USERNAME
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exit 10
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fi
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fi
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2015-10-26 15:25:58 +01:00
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clear
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echo "New user $MY_USERNAME was created"
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echo "Their login password is $NEW_USER_PASSWORD"
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echo ''
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echo 'IMPORTANT: Make a note of the password, because it will not be saved'
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echo 'anywhere else. Preferably give it to them in person on paper or via'
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echo 'a secure channel, not in an unencrypted email.'
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echo ''
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echo "They can download their GPG keys with:"
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echo ''
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echo " scp -P $SSH_PORT -r $MY_USERNAME@$HOSTNAME:/home/$MY_USERNAME/.gnupg ~/"
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echo ''
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echo 'They should also run freedombone-client on their system to ensure'
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echo 'the best security.'
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exit 0
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