linux - How to check if I have sudo access? - Super User

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Thu Dec 22 2022 17:23:32 GMT+0000 (Coordinated Universal Time)

Saved by @lbj #bsh

#!/usr/bin/env bash

is_root () {
    return $(id -u)
}

has_sudo() {
    local prompt

    prompt=$(sudo -nv 2>&1)
    if [ $? -eq 0 ]; then
    echo "has_sudo__pass_set"
    elif echo $prompt | grep -q '^sudo:'; then
    echo "has_sudo__needs_pass"
    else
    echo "no_sudo"
    fi
}

elevate_cmd () {
    local cmd=$@

    HAS_SUDO=$(has_sudo)

    case "$HAS_SUDO" in
    has_sudo__pass_set)
        sudo $cmd
        ;;
    has_sudo__needs_pass)
        echo "Please supply sudo password for the following command: sudo $cmd"
        sudo $cmd
        ;;
    *)
        echo "Please supply root password for the following command: su -c \"$cmd\""
        su -c "$cmd"
        ;;
    esac
}

if is_root; then
    echo "Error: need to call this script as a normal user, not as root!"
    exit 1
fi


elevate_cmd which adduser

https://superuser.com/questions/553932/how-to-check-if-i-have-sudo-access

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linux - How to check if I have sudo access? - Super User

prompt=$(sudo -nv 2>&1)
if [ $? -eq 0 ]; then
  # exit code of sudo-command is 0
  echo "has_sudo__pass_set"
elif echo $prompt | grep -q '^sudo:'; then
  echo "has_sudo__needs_pass"
else
  echo "no_sudo"
fi

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