Files
ocserv/tests/ns.sh
Lee Keitel 70d936ca95 Fix network namespace setup script
At least my machine was generating IDs that were to long and any test
that required networking wouldn't work. This patch restricts the
namespace names to 4 digits.

Signed-off-by: Lee Keitel <lee@keitel.xyz>
2026-01-01 20:14:15 +01:00

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#!/bin/bash
#
# Copyright (C) 2018 Nikos Mavrogiannopoulos
#
# This file is part of ocserv.
#
# ocserv is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# ocserv is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Input:
# ADDRESS=10.200.2.1
# ADDRESS2=10.200.2.2
# CLI_ADDRESS=10.200.1.1
# CLI_ADDRESS2=10.200.1.2
# VPNNET=192.168.1.0/24
# VPNADDR=192.168.1.1
#
# Provides:
# ${NSCMD1} - to run on NS1
# ${NSCMD2} - to run on NS2
# ${NSCMD3} - to run on NS3
#
# Cleanup is automatic via a trap
# Requires: finish() to be defined
PATH=${PATH}:/usr/sbin
IP=$(which ip)
if test "$(id -u)" != "0";then
echo "This test must be run as root"
exit 77
fi
ip netns list >/dev/null 2>&1
if test $? != 0;then
echo "This test requires ip netns command"
exit 77
fi
if test "$(uname -s)" != Linux;then
echo "This test must be run on Linux"
exit 77
fi
function nsfinish {
set +e
test -n "${ETHNAME1}" && ${IP} link delete ${ETHNAME1} >/dev/null 2>&1
test -n "${ETHNAME2}" && ${IP} link delete ${ETHNAME2} >/dev/null 2>&1
test -n "${ETHNAME3}" && ${IP} link delete ${ETHNAME3} >/dev/null 2>&1
test -n "${ETHNAME4}" && ${IP} link delete ${ETHNAME4} >/dev/null 2>&1
test -n "${NSNAME1}" && ${IP} netns delete ${NSNAME1} >/dev/null 2>&1
test -n "${NSNAME2}" && ${IP} netns delete ${NSNAME2} >/dev/null 2>&1
test -n "${NSNAME3}" && ${IP} netns delete ${NSNAME3} >/dev/null 2>&1
finish
}
trap nsfinish EXIT
# ETHNAME1 and ETHNAME2 are a veth pair
# ETHNAME3 and ETHNAME4 are a veth pair
# NSNAME1 and NSNAME3 are client namespaces containing ETHNAME1 and ETHNAME3
# NSNAME2 is the server namespace containing ETHNAME2 and ETHNAME4
echo " * Setting up namespaces..."
set -e
NSNAME1="ocserv-c-tmp-${$:0:4}"
NSNAME3="ocserv-c-2-tmp-${$:0:4}"
NSNAME2="ocserv-s-tmp-${$:0:4}"
ETHNAME1="oceth-c${$:0:4}"
ETHNAME2="oceth-s${$:0:4}"
ETHNAME3="oceth-c-2${$:0:4}"
ETHNAME4="oceth-s-2${$:0:4}"
${IP} netns add ${NSNAME1}
${IP} netns add ${NSNAME2}
${IP} netns add ${NSNAME3}
${IP} link add ${ETHNAME1} type veth peer name ${ETHNAME2}
${IP} link set ${ETHNAME1} netns ${NSNAME1}
${IP} link set ${ETHNAME2} netns ${NSNAME2}
${IP} link add ${ETHNAME3} type veth peer name ${ETHNAME4}
${IP} link set ${ETHNAME3} netns ${NSNAME3}
${IP} link set ${ETHNAME4} netns ${NSNAME2}
${IP} -n ${NSNAME1} link set ${ETHNAME1} up
${IP} -n ${NSNAME2} link set ${ETHNAME2} up
${IP} -n ${NSNAME3} link set ${ETHNAME3} up
${IP} -n ${NSNAME2} link set ${ETHNAME4} up
${IP} -n ${NSNAME2} link set lo up
${IP} -n ${NSNAME1} addr add ${CLI_ADDRESS} dev ${ETHNAME1}
${IP} -n ${NSNAME2} addr add ${ADDRESS} dev ${ETHNAME2}
test -n "${CLI_ADDRESS2}" && ${IP} -n ${NSNAME3} addr add ${CLI_ADDRESS2} dev ${ETHNAME3}
test -n "${ADDRESS2}" && ${IP} -n ${NSNAME2} addr add ${ADDRESS2} dev ${ETHNAME4}
${IP} -n ${NSNAME1} route add default via ${CLI_ADDRESS} dev ${ETHNAME1}
${IP} -n ${NSNAME2} route
${IP} -n ${NSNAME2} route add default via ${ADDRESS} dev ${ETHNAME2}
test -n "${CLI_ADDRESS2}" && ${IP} -n ${NSNAME3} route add default via ${CLI_ADDRESS2} dev ${ETHNAME3}
test -n "${ADDRESS2}" && ${IP} -n ${NSNAME2} route add ${CLI_ADDRESS2}/32 via ${ADDRESS2} dev ${ETHNAME4}
${IP} -n ${NSNAME2} addr
${IP} -n ${NSNAME2} route
${IP} -n ${NSNAME1} route
test -n "${CLI_ADDRESS2}" && ${IP} -n ${NSNAME3} route
${IP} netns exec ${NSNAME1} ping -c 1 ${ADDRESS} >/dev/null
${IP} netns exec ${NSNAME2} ping -c 1 ${ADDRESS} >/dev/null
${IP} netns exec ${NSNAME2} ping -c 1 ${CLI_ADDRESS} >/dev/null
test -n "${ADDRESS2}" && ${IP} netns exec ${NSNAME2} ping -c 1 ${ADDRESS2} >/dev/null
test -n "${CLI_ADDRESS2}" && ${IP} netns exec ${NSNAME2} ping -c 1 ${CLI_ADDRESS2} >/dev/null
set +e
CMDNS1="${IP} netns exec ${NSNAME1}"
CMDNS2="${IP} netns exec ${NSNAME2}"
CMDNS3="${IP} netns exec ${NSNAME3}"