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ae4ef7271c
As done in pppoe.sh, start socat as the syslog listener. In case the test fails, dump its log to see what's going on. Signed-off-by: Qingfang Deng <qingfang.deng@linux.dev> Reviewed-by: Matthieu Baerts <matttbe@kernel.org> Link: https://patch.msgid.link/20260529021146.5739-1-qingfang.deng@linux.dev Signed-off-by: Jakub Kicinski <kuba@kernel.org>
111 lines
2.8 KiB
Bash
Executable File
111 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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source ppp_common.sh
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VETH_SERVER="veth-server"
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VETH_CLIENT="veth-client"
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OUTER_IP_SERVER="172.16.1.1"
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OUTER_IP_CLIENT="172.16.1.2"
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PPPOL2TP_DIR=$(mktemp -d /tmp/pppol2tp.XXXXXX)
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PPPOL2TP_LOG="$PPPOL2TP_DIR/l2tp.log"
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# shellcheck disable=SC2329
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cleanup() {
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cleanup_all_ns
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[ -n "$SOCAT_PID" ] && kill_process "$SOCAT_PID"
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rm -rf "$PPPOL2TP_DIR"
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}
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trap cleanup EXIT
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require_command xl2tpd
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ppp_common_init
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modprobe -q l2tp_ppp
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# Create the veth pair
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ip link add "$VETH_SERVER" type veth peer name "$VETH_CLIENT"
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ip link set "$VETH_SERVER" netns "$NS_SERVER"
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ip link set "$VETH_CLIENT" netns "$NS_CLIENT"
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ip -netns "$NS_SERVER" link set "$VETH_SERVER" up
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ip -netns "$NS_CLIENT" link set "$VETH_CLIENT" up
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ip -netns "$NS_SERVER" address add dev "$VETH_SERVER" "$OUTER_IP_SERVER" peer "$OUTER_IP_CLIENT"
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ip -netns "$NS_CLIENT" address add dev "$VETH_CLIENT" "$OUTER_IP_CLIENT" peer "$OUTER_IP_SERVER"
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# Start socat as syslog listener
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socat -v -u UNIX-RECV:/dev/log OPEN:/dev/null > "$PPPOL2TP_LOG" 2>&1 &
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SOCAT_PID=$!
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# Generate configuration files
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cat > "$PPPOL2TP_DIR/l2tp-server.conf" <<EOF
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[global]
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listen-addr = $OUTER_IP_SERVER
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access control = no
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[lns default]
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ip range = $IP_CLIENT
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local ip = $IP_SERVER
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require authentication = no
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require chap = no
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require pap = no
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ppp debug = yes
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pppoptfile = $(pwd)/pppoe-server-options
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EOF
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cat > "$PPPOL2TP_DIR/l2tp-client.conf" <<EOF
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[global]
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listen-addr = $OUTER_IP_CLIENT
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access control = no
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[lac server]
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lns = $OUTER_IP_SERVER
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require authentication = no
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require chap = no
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require pap = no
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ppp debug = yes
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pppoptfile = $(pwd)/pppoe-server-options
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EOF
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# Start the L2TP Server
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ip netns exec "$NS_SERVER" xl2tpd -D -c "$PPPOL2TP_DIR/l2tp-server.conf" \
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-p "$PPPOL2TP_DIR/l2tp-server.pid" -C "$PPPOL2TP_DIR/l2tp-server.control" &
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# Start the L2TP Client
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ip netns exec "$NS_CLIENT" xl2tpd -D -c "$PPPOL2TP_DIR/l2tp-client.conf" \
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-p "$PPPOL2TP_DIR/l2tp-client.pid" -C "$PPPOL2TP_DIR/l2tp-client.control" &
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# Wait for xl2tpd to start and open their control pipes
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slowwait 2 [ -p "$PPPOL2TP_DIR/l2tp-server.control" ]
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slowwait 2 [ -p "$PPPOL2TP_DIR/l2tp-client.control" ]
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# Connect LAC to LNS
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echo "c server" > "$PPPOL2TP_DIR/l2tp-client.control"
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ppp_test_connectivity
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log_test "PPPoL2TP"
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# Recursion test
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RET=0
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# Delete route to LNS IP
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ip -netns "$NS_CLIENT" route del "$OUTER_IP_SERVER"
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# Add default route through ppp0
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ip -netns "$NS_CLIENT" route add default dev ppp0
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# ping (we expect the ping to fail but not deadlock the system)
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ip netns exec "$NS_CLIENT" ping -c 1 "$IP_SERVER" -w 1
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check_fail $?
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log_test "PPPoL2TP Recursion"
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# Dump syslog messages if the test failed
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if [ "$EXIT_STATUS" -ne 0 ]; then
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while read -r _sign _date _time len _from _to
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do len=${len##*=}
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read -n "$len" -r LINE
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echo "$LINE"
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done < "$PPPOL2TP_LOG"
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fi
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exit "$EXIT_STATUS"
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