Poll the sssd cache for locally stored information about a user. Usernames are case sensitive!

getAD-User-Info

getAD-User-Info() {
  local userName adUserName
  userName="${1:?Username not supplied}"

  # Poll 'id' to either ensure the info is cached
  # or to error out if the user doesn't exist
  if ! id "${userName}" &>/dev/null; then
    printf -- '%s\n' "User '${userName}' could not be found"
    return 1
  fi

  # We pull the AD acceptable username from the cache
  # This helps us to sort out case sensitivity issues
  adUserName=$(
    ldbsearch -H /var/lib/sss/db/cache_$(dnsdomainname).ldb -b cn=sysdb 2>/dev/null \
    | grep -m1 -i "^memberuid: ${userName}" \
    | awk '{print $2}'
  )

  # Dump out the info
  ldbsearch -H /var/lib/sss/db/cache_$(dnsdomainname).ldb -b cn=sysdb "(name="${adUserName}")" 2>/dev/null
}