#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.live.builder
# SPDX-Security-Contact: security@coresecret.eu

guard_sourcing || return "${ERR_GUARD_SRCE}"

#######################################
# IP notation cleaner for pure IP output only.
# Globals:
#   ARY_HANDLER_JUMPHOST
#   ARY_HANDLER_JUMPHOST_UNIQUE
# Arguments:
#   None
# Returns:
#   0: on success
#######################################
clean_ip() {
  declare host="" stripped=""
  for host in "${ARY_HANDLER_JUMPHOST[@]}"; do
    # Remove leading '[' and trailing ']'
    stripped="${host#\[}"
    stripped="${stripped%\]}"
    # Skip if it contains a slash (CIDR range)
    if [[ ${stripped} == */* ]]; then
        continue
    fi
    # Directly append, no duplicate check
    # shellcheck disable=SC2034
    declare -ga ARY_HANDLER_JUMPHOST_UNIQUE+=("${stripped}")
  done
  return 0
}
### Prevents accidental 'unset -f'.
# shellcheck disable=SC2034
readonly -f clean_ip
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh