264 lines
10 KiB
Bash
Executable File
264 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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# Freedom in the Cloud
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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) 2015-2018 Bob Mottram <bob@freedombone.net>
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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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ADD_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/${PROJECT_NAME}-completed.txt
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DEFAULT_DOMAIN_NAME=
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if [ ! "$ADD_USERNAME" ]; then
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echo $'No username was given'
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exit 1
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fi
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if [ -d "/home/$ADD_USERNAME" ]; then
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echo $"The user $ADD_USERNAME already exists"
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exit 2
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fi
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if [ ! -f "$COMPLETION_FILE" ]; then
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echo $"$COMPLETION_FILE not found"
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userdel -r "$ADD_USERNAME"
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exit 3
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fi
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# Minimum number of characters in a password
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MINIMUM_PASSWORD_LENGTH=$(grep 'MINIMUM_PASSWORD_LENGTH=' "/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-passwords" | head -n 1 | awk -F '=' '{print $2}')
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NEW_USER_PASSWORD="$(create_password "${MINIMUM_PASSWORD_LENGTH}")"
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chmod 600 /etc/shadow
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chmod 600 /etc/gshadow
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useradd -m -p "$NEW_USER_PASSWORD" -s /bin/bash "$ADD_USERNAME"
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adduser "$ADD_USERNAME" sasl
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groupadd "$ADD_USERNAME"
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chmod 0000 /etc/shadow
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chmod 0000 /etc/gshadow
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if [ ! -d "/home/$ADD_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/$ADD_USERNAME/.ssh"
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cp "$SSH_PUBLIC_KEY" "/home/$ADD_USERNAME/.ssh/authorized_keys"
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chown -R "$ADD_USERNAME":"$ADD_USERNAME" "/home/$ADD_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/$ADD_USERNAME/.ssh"
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echo "$SSH_PUBLIC_KEY" > "/home/$ADD_USERNAME/.ssh/authorized_keys"
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chown -R "$ADD_USERNAME":"$ADD_USERNAME" "/home/$ADD_USERNAME/.ssh"
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echo $'ssh public key installed'
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else
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echo $'The second parameter does not look like an ssh key'
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exit 5
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fi
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fi
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fi
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fi
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if [ -d "/home/$ADD_USERNAME/Maildir" ]; then
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if grep -q "set from=" "/home/$ADD_USERNAME/.muttrc"; then
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sed -i "s|set from=.*|set from='$ADD_USERNAME <$ADD_USERNAME@$HOSTNAME>'|g" "/home/$ADD_USERNAME/.muttrc"
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else
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echo "set from='$ADD_USERNAME <$ADD_USERNAME@$HOSTNAME>'" >> "/home/$ADD_USERNAME/.muttrc"
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fi
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sed -i "s|\$USER@|$ADD_USERNAME@|g" "/home/$ADD_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 $ADD_USERNAME@$HOSTNAME"
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mkdir "/home/$ADD_USERNAME/.gnupg"
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{ echo "keyserver $GPG_KEYSERVER";
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echo 'keyserver-options auto-key-retrieve';
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echo '';
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echo '# default preferences';
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echo 'personal-digest-preferences SHA256';
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echo 'cert-digest-algo SHA256';
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echo 'default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES CAST5 ZLIB BZIP2 ZIP Uncompressed'; } >> "/home/$ADD_USERNAME/.gnupg/gpg.conf"
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chown -R "$ADD_USERNAME":"$ADD_USERNAME" "/home/$ADD_USERNAME/.gnupg"
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chmod 700 "/home/$ADD_USERNAME/.gnupg"
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chmod 600 "/home/$ADD_USERNAME/.gnupg/"*
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# Generate a GPG key
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{ echo 'Key-Type: eddsa';
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echo 'Key-Curve: Ed25519';
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echo 'Subkey-Type: eddsa';
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echo "Name-Real: $ADD_USERNAME";
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echo "Name-Email: $ADD_USERNAME@$HOSTNAME";
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echo 'Expire-Date: 0';
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echo "Passphrase: $NEW_USER_PASSWORD"; } > "/home/$ADD_USERNAME/gpg-genkey.conf"
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chown "$ADD_USERNAME":"$ADD_USERNAME" "/home/$ADD_USERNAME/gpg-genkey.conf"
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su -m root -c "gpg --homedir /home/$ADD_USERNAME/.gnupg --batch --full-gen-key /home/$ADD_USERNAME/gpg-genkey.conf" - "$ADD_USERNAME"
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chown -R "$ADD_USERNAME":"$ADD_USERNAME" "/home/$ADD_USERNAME/.gnupg"
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rm "/home/$ADD_USERNAME/gpg-genkey.conf"
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MY_GPG_PUBLIC_KEY_ID=$(gpg_pubkey_from_email "$ADD_USERNAME" "$ADD_USERNAME@$HOSTNAME")
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MY_GPG_PUBLIC_KEY="/home/$ADD_USERNAME/public_key.gpg"
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su -m root -c "gpg --output $MY_GPG_PUBLIC_KEY --armor --export $MY_GPG_PUBLIC_KEY_ID" - "$ADD_USERNAME"
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if [ ! -f "$MY_GPG_PUBLIC_KEY" ]; then
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echo "GPG public key was not generated for $ADD_USERNAME@$HOSTNAME $MY_GPG_PUBLIC_KEY_ID"
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userdel -r "$ADD_USERNAME"
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exit 7
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fi
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gpg_agent_setup "$ADD_USERNAME"
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# add a monkeysphere subkey
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#echo $'Adding monkeysphere subkey'
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#su -c "monkeysphere gen-subkey" - $ADD_USERNAME
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#echo $'Adding monkeysphere subkey to ssh-agent'
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#su -c "monkeysphere s" - $ADD_USERNAME
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# add authorized GPG email address
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#mkdir /home/$ADD_USERNAME/.monkeysphere
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#chmod 755 /home/$ADD_USERNAME/.monkeysphere
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#echo "$ADD_USERNAME <$ADD_USERNAME@$HOSTNAME>" > /home/$ADD_USERNAME/.monkeysphere/authorized_user_ids
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#chmod 644 /home/$ADD_USERNAME/.monkeysphere/authorized_user_ids
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#chown -R $ADD_USERNAME:$ADD_USERNAME /home/$ADD_USERNAME/.monkeysphere
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#echo $'Updating monkeysphere users'
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#monkeysphere-authentication update-users
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if [ -f "/home/$ADD_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/$ADD_USERNAME/.muttrc"; then
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{ echo '';
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echo $'# Encrypt items in the Sent folder';
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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 $MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\""; } >> "/home/$ADD_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 $MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\"|g" "/home/$ADD_USERNAME/.muttrc"
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fi
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if ! grep -q "pgp_encrypt_sign_command" "/home/$ADD_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 $MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\"" >> "/home/$ADD_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 $MY_GPG_PUBLIC_KEY_ID -- -r %r -- %f\"|g" "/home/$ADD_USERNAME/.muttrc"
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fi
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fi
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if ! grep -q "Change your GPG password" "/home/$ADD_USERNAME/README"; then
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{ echo '';
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echo '';
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echo $'# Change your GPG password';
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echo $"It's very important to add a password to your GPG key so that";
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echo $"if anyone does get access to your email they still won't be able";
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echo $'to read them without knowning the GPG password.';
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echo $'You can change the it with:';
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echo '';
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echo " gpg --edit-key $MY_GPG_PUBLIC_KEY_ID";
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echo ' passwd';
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echo ' save';
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echo ' quit'; } >> "/home/$ADD_USERNAME/README"
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fi
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chown "$ADD_USERNAME":"$ADD_USERNAME" "/home/$ADD_USERNAME/README"
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chown "$ADD_USERNAME":"$ADD_USERNAME" "$MY_GPG_PUBLIC_KEY"
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chmod 600 "/home/$ADD_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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# shellcheck disable=SC2068
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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}" "$ADD_USERNAME" "$NEW_USER_PASSWORD" | tail -n 1)
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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" "$ADD_USERNAME" --force
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exit 672392
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fi
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if ! grep -q "${app_name}_${ADD_USERNAME}" "$APP_USERS_FILE"; then
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echo "${app_name}_${ADD_USERNAME}" >> "$APP_USERS_FILE"
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fi
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fi
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done
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if [ -f /etc/nginx/.htpasswd ]; then
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if ! grep -q "${ADD_USERNAME}:" /etc/nginx/.htpasswd; then
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echo "$NEW_USER_PASSWORD" | htpasswd -i -s /etc/nginx/.htpasswd "$ADD_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 'controluser' "/home/$ADD_USERNAME/.bashrc"; then
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echo 'export PS1="\W \$"' >> "/home/$ADD_USERNAME/.bashrc"
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echo 'controluser' >> "/home/$ADD_USERNAME/.bashrc"
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fi
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# fix some gpg strangeness when searching for keys
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printf '%%Assuan%%\nsocket=/dev/shm/S.dirmngr\n' > "/home/$ADD_USERNAME/.gnupg/S.dirmngr"
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if [ -d "/home/$ADD_USERNAME/.gnupg/crls.d" ]; then
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chmod +x "/home/$ADD_USERNAME/.gnupg/crls.d"
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fi
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"${PROJECT_NAME}-pass" -u "$ADD_USERNAME" -a login -p "$NEW_USER_PASSWORD"
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gpg_agent_enable "$ADD_USERNAME"
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clear
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echo $"New user $ADD_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 $"They can download their GPG keys with:"
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echo ''
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echo " scp -P $SSH_PORT -r $ADD_USERNAME@$HOSTNAME:/home/$ADD_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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