ssh-keygen.sh RawHistoryFolder

1#!/bin/bash
2# Post-boot: Generate SSH key without password if email was provided
3
4# Read from environment variables (set by systemd service)
5EMAIL="$ARCHUP_EMAIL"
6USERNAME="$ARCHUP_USERNAME"
7
8if [ -z "$EMAIL" ] || [ -z "$USERNAME" ]; then
9  echo "Skipping SSH key generation (no email provided)"
10  exit 0
11fi
12
13# Get user home directory
14USER_HOME=$(eval echo ~"$USERNAME")
15SSH_DIR="$USER_HOME/.ssh"
16
17# Create .ssh directory if it doesn't exist
18if [ ! -d "$SSH_DIR" ]; then
19  mkdir -p "$SSH_DIR"
20  chmod 700 "$SSH_DIR"
21  chown "$USERNAME:$USERNAME" "$SSH_DIR"
22fi
23
24# Generate SSH key if it doesn't exist
25if [ ! -f "$SSH_DIR/id_ed25519" ]; then
26  echo "Generating SSH key for $USERNAME..."
27  su - "$USERNAME" -c "ssh-keygen -t ed25519 -C '$EMAIL' -f '$SSH_DIR/id_ed25519' -N ''"
28  echo "SSH key generated at $SSH_DIR/id_ed25519"
29else
30  echo "SSH key already exists, skipping generation"
31fi
32
33# Set proper permissions
34chmod 600 "$SSH_DIR/id_ed25519"
35chmod 644 "$SSH_DIR/id_ed25519.pub"
36chown "$USERNAME:$USERNAME" "$SSH_DIR/id_ed25519" "$SSH_DIR/id_ed25519.pub"
37
38# Configure git with user email and name
39echo "Configuring git..."
40su - "$USERNAME" -c "git config --global user.email '$EMAIL'"
41su - "$USERNAME" -c "git config --global user.name '$USERNAME'"
42echo "Git configured with email: $EMAIL and name: $USERNAME"
43
44echo "SSH key setup complete"