This is a new mostly bash-based implementation of a minimal and immanent AO server. No database, user accounts are created directly in the OS.
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#!/bin/sh
# Warning if run with sudo
if [ "$EUID" -eq 0 ]; then
echo "Please do not run this script with sudo. Exiting."
exit 1
fi
# Command or file path provided as an argument
COMMAND_OR_FILE="$1"
# Get the specified username or default to the current user
USERNAME="${2:-$(whoami)}"
# Temporary file for sudoers
TMP_FILE="/tmp/sudoers.tmp"
# Determine if the input is a file or command name
if [ -f "$COMMAND_OR_FILE" ]; then
# Convert to absolute path if it's a file
PATH_TO_ALLOW="$(realpath "$COMMAND_OR_FILE")"
else
# Use 'which' to find the command path if it's a command name
PATH_TO_ALLOW="$(which "$COMMAND_OR_FILE")"
fi
# Check if the path was determined
if [ -z "$PATH_TO_ALLOW" ]; then
echo "File or command not found."
exit 1
fi
# Make a temporary copy of the sudoers file using sudo
sudo cp /etc/sudoers $TMP_FILE
# Check if the entry already exists
if ! sudo grep -q "$USERNAME ALL=(ALL) NOPASSWD: $PATH_TO_ALLOW" $TMP_FILE; then
# Add the new rule if it doesn't exist
echo "$USERNAME ALL=(ALL) NOPASSWD: $PATH_TO_ALLOW" | sudo tee -a $TMP_FILE > /dev/null
fi
# Validate the new sudoers file using sudo
sudo visudo -cf $TMP_FILE
# If validation succeeds, overwrite the sudoers file using sudo
if [ $? -eq 0 ]; then
sudo cp $TMP_FILE /etc/sudoers
echo "Sudoers file updated successfully."
else
echo "Error in sudoers file. Not updated."
fi
# Remove the temporary file using sudo
sudo rm -f $TMP_FILE