23 lines
974 B
Bash
23 lines
974 B
Bash
#!/bin/bash
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# Define the public key to add
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PUBLIC_KEY="YOUR_PUBLIC_KEY_STRING_HERE" # <--- REPLACE THIS WITH YOUR ACTUAL PUBLIC KEY
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# Define file paths
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SSH_DIR="$HOME/.ssh"
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AUTHORIZED_KEYS_FILE="$SSH_DIR/authorized_keys"
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# Create .ssh directory and set permissions if it doesn't exist
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mkdir -p "$SSH_DIR" && chmod 700 "$SSH_DIR" || { echo "Error: Could not create or set permissions for $SSH_DIR. Exiting."; exit 1; }
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# Create authorized_keys file and set permissions if it doesn't exist
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touch "$AUTHORIZED_KEYS_FILE" && chmod 600 "$AUTHORIZED_KEYS_FILE" || { echo "Error: Could not create or set permissions for $AUTHORIZED_KEYS_FILE. Exiting."; exit 1; }
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# Check if the key already exists to prevent duplicates
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if grep -qF "$PUBLIC_KEY" "$AUTHORIZED_KEYS_FILE"; then
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echo "Key already exists in $AUTHORIZED_KEYS_FILE. No changes made."
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else
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# Add the key
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echo "$PUBLIC_KEY" >> "$AUTHORIZED_KEYS_FILE"
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echo "Key successfully added to $AUTHORIZED_KEYS_FILE."
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fi |