256 lines
10 KiB
Bash
Executable File
256 lines
10 KiB
Bash
Executable File
#!/bin/bash
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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) 2015-2016 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 Affero 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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PROJECT_NAME='freedombone'
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export TEXTDOMAIN=${PROJECT_NAME}-adduser
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export TEXTDOMAINDIR="/usr/share/locale"
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CONFIGURATION_FILE=$HOME/${PROJECT_NAME}.cfg
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UTILS_FILES=/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*
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for f in $UTILS_FILES
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do
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source $f
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done
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APP_FILES=/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*
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for f in $APP_FILES
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do
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source $f
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done
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MY_USERNAME=$1
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SSH_PUBLIC_KEY="$2"
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GPG_KEYSERVER='hkp://keys.gnupg.net'
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SSH_PORT=2222
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COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
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DEFAULT_DOMAIN_NAME=
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if [ ! $MY_USERNAME ]; then
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echo $'No username was given'
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exit 1
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fi
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if [ -d /home/$MY_USERNAME ]; then
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echo $"The user $MY_USERNAME already exists"
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exit 2
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fi
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if [ ! -f $COMPLETION_FILE ]; then
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echo $"$COMPLETION_FILE not found"
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userdel -r $MY_USERNAME
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exit 3
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fi
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# Minimum number of characters in a password
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MINIMUM_PASSWORD_LENGTH=$(cat /usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-passwords | grep 'MINIMUM_PASSWORD_LENGTH=' | head -n 1 | awk -F '=' '{print $2}')
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NEW_USER_PASSWORD="$(openssl rand -base64 30 | cut -c1-${MINIMUM_PASSWORD_LENGTH})"
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useradd -m -p "$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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echo $'Home directory was not created'
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exit 4
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fi
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if [ "$SSH_PUBLIC_KEY" ]; then
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if [ ${#SSH_PUBLIC_KEY} -gt 5 ]; then
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if [ -f "$SSH_PUBLIC_KEY" ]; then
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mkdir /home/$MY_USERNAME/.ssh
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cp $SSH_PUBLIC_KEY /home/$MY_USERNAME/.ssh/authorized_keys
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chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
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echo $'ssh public key installed'
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else
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if [[ "$SSH_PUBLIC_KEY" == "ssh-"* ]]; then
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mkdir /home/$MY_USERNAME/.ssh
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echo "$SSH_PUBLIC_KEY" > /home/$MY_USERNAME/.ssh/authorized_keys
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chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
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echo $'ssh public key installed'
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else
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echo $'The second parameter does not look like an ssh key'
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exit 5
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fi
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fi
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fi
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fi
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if [ -d /home/$MY_USERNAME/Maildir ]; then
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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/$MY_USERNAME/.muttrc
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fi
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USERN='$USER@'
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sed -i "s|$USERN|$MY_USERNAME@|g" /home/$MY_USERNAME/.procmailrc
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fi
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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 $2}')
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MY_GPG_PUBLIC_KEY=/home/$MY_USERNAME/public_key.gpg
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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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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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exit 7
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fi
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# add a monkeysphere subkey
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su -c "monkeysphere gen-subkey $MY_GPG_PUBLIC_KEY_ID" - $MY_USERNAME
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# add authorized GPG email address
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mkdir /home/$MY_USERNAME/.monkeysphere
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chmod 755 /home/$MY_USERNAME/.monkeysphere
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echo "$MY_USERNAME <$MY_USERNAME@$HOSTNAME>" > /home/$MY_USERNAME/.monkeysphere/authorized_user_ids
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chmod 644 /home/$MY_USERNAME/.monkeysphere/authorized_user_ids
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chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.monkeysphere
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monkeysphere-authentication update-users
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if [ -f /home/$MY_USERNAME/.muttrc ]; then
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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/$MY_USERNAME/.muttrc
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fi
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fi
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if ! grep -q "Change your GPG password" /home/$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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chown $MY_USERNAME:$MY_USERNAME $MY_GPG_PUBLIC_KEY
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chmod 600 /home/$MY_USERNAME/README
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echo $'Detecting installed apps...'
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detect_apps
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get_apps_installed_names
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for app_name in "${APPS_INSTALLED_NAMES[@]}"
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do
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if [[ $(function_exists add_user_${app_name}) == "1" ]]; then
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echo $"Adding user to ${app_name}"
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app_load_variables ${app_name}
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retval=$(add_user_${app_name} "$MY_USERNAME" "$NEW_USER_PASSWORD")
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if [[ $retval != '0' ]]; then
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echo $"Failed with error code ${retval}"
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${PROJECT_NAME}-rmuser $MY_USERNAME
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exit 672392
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fi
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fi
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done
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if [ -f /etc/nginx/.htpasswd ]; then
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if ! grep "${MY_USERNAME}:" /etc/nginx/.htpasswd; then
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echo "$NEW_USER_PASSWORD" | htpasswd -i -s /etc/nginx/.htpasswd $MY_USERNAME
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fi
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fi
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# add user menu on ssh login
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if ! grep -q 'control' /home/$MY_USERNAME/.bashrc; then
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echo 'control' >> /home/$MY_USERNAME/.bashrc
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fi
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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 ${PROJECT_NAME}-client on their system to ensure"
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echo $'the best security.'
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exit 0
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