105 lines
2.8 KiB
Bash
105 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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HOME=${1:-/etc/skel}
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LOCAL_USER_EMAIL=cyteen@ring-zero.co.uk
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KEY_SCRIPTS_DIR="/tmp/gen_ssh_keys"
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mkdir -p "${KEY_SCRIPTS_DIR}"
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# Define an array of SSH key names
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ssh_keys=("id_rsa" "devuan_rsa" "debian_rsa" "github_rsa" "gitlab_rsa" "gitea_rsa")
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# conf_print_resolvconf() {
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# cat <<-EOF
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# EOF
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# }
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# conf_print_hostname | sudo tee $strapdir/etc/resolvconf >/dev/null
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# Configure ohmyzsh to look for specific keys dynamically
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cat <<-FOE | tee "${KEY_SCRIPTS_DIR}"/set-zstyle.sh >/dev/null
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#!/bin/bash
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cat <<-EOF | tee -a "${HOME}"/.zshrc.pre-plugins.d/001_ssh-agent >/dev/null
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zstyle :omz:plugins:ssh-agent identities $(printf "%s " "${ssh_keys[@]}")
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EOF
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FOE
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# Generate SSH keys script
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cat <<-EOF | tee "${KEY_SCRIPTS_DIR}"/generate-ssh-key.sh >/dev/null
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#!/bin/bash
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LOCAL_USER_EMAIL=${LOCAL_USER_EMAIL}
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HOME=${HOME}
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for key in ${ssh_keys[@]}; do
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ssh-keygen -t rsa -b 4096 -N '' -C "\$LOCAL_USER_EMAIL" -f "\$HOME/.ssh/\$key"
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done
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EOF
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# Add keys to ssh-agent script
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cat <<-EOF | tee "${KEY_SCRIPTS_DIR}"/ssh-key-add.sh >/dev/null
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#!/bin/bash
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HOME=${HOME}
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eval "\$(ssh-agent -s)"
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for key in ${ssh_keys[@]}; do
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ssh-add "\$HOME/.ssh/\$key"
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done
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EOF
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# Set permissions for SSH keys and directories script
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cat <<-EOF | tee "${KEY_SCRIPTS_DIR}"/ssh-key-permissions.sh >/dev/null
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#!/bin/bash
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HOME=${HOME}
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chmod 700 "\$HOME/.ssh"
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chmod 644 "\$HOME/.ssh/authorized_keys"
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chmod 644 "\$HOME/.ssh/known_hosts"
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chmod 644 "\$HOME/.ssh/config"
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for key in ${ssh_keys[@]}; do
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chmod 600 "\$HOME/.ssh/\$key"
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chmod 644 "\$HOME/.ssh/\${key}.pub"
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done
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EOF
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# Configure preferred keys for each host script
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cat <<-EOF | tee "${KEY_SCRIPTS_DIR}"/ssh-config.sh >/dev/null
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#!/bin/bash
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HOME=${HOME}
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declare -A ssh_configs=(
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["git2.ring-zero.co.uk"]="gitea_rsa"
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["git.ring-zero.co.uk"]="gitlab_rsa"
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["gitlab.com"]="gitlab_rsa"
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["github.com"]="github_rsa"
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["git.devuan.org"]="devuan_rsa"
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["salsa.debian.org"]="debian_rsa"
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)
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for host in "\${!ssh_configs[@]}"; do
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cat <<-EOF2 | sudo tee -a "\$HOME/.ssh/config" >/dev/null
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Host \$host
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User git
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Preferredauthentications publickey
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IdentityFile "\$HOME/.ssh/\${ssh_configs[\$host]}"
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EOF2
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done
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EOF
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# Make scripts executable
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# chmod +x /tmp/generate-ssh-key.sh /tmp/ssh-key-add.sh /tmp/ssh-key-permissions.sh /tmp/ssh-config.sh
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chmod +x ${KEY_SCRIPTS_DIR}/*.sh
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# Execute scripts
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# "${KEY_SCRIPTS_DIR}"/set-zstyle.sh
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# "${KEY_SCRIPTS_DIR}"/generate-ssh-key.sh
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# "${KEY_SCRIPTS_DIR}"/ssh-key-add.sh
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# "${KEY_SCRIPTS_DIR}"/ssh-key-permissions.sh
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# "${KEY_SCRIPTS_DIR}"/ssh-config.sh
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# Generate system keys
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ssh-keygen -A
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# Generate root user keys if not present
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if [ ! -f "${HOME}"/.ssh/id_rsa.pub ]; then
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ssh-keygen -q -t rsa -N '' -f "${HOME}"/.ssh/id_rsa 2>/dev/null <<< y >/dev/null
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chmod 644 "${HOME}"/.ssh/id_rsa.pub
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fi
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