cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

cmsg_time.sh (1947B)

      1#!/bin/bash
      2# SPDX-License-Identifier: GPL-2.0
      3
      4NS=ns
      5IP4=172.16.0.1/24
      6TGT4=172.16.0.2
      7IP6=2001:db8:1::1/64
      8TGT6=2001:db8:1::2
      9
     10cleanup()
     11{
     12    ip netns del $NS
     13}
     14
     15trap cleanup EXIT
     16
     17# Namespaces
     18ip netns add $NS
     19
     20ip netns exec $NS sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null
     21
     22# Connectivity
     23ip -netns $NS link add type dummy
     24ip -netns $NS link set dev dummy0 up
     25ip -netns $NS addr add $IP4 dev dummy0
     26ip -netns $NS addr add $IP6 dev dummy0
     27
     28# Need FQ for TXTIME
     29ip netns exec $NS tc qdisc replace dev dummy0 root fq
     30
     31# Test
     32BAD=0
     33TOTAL=0
     34
     35check_result() {
     36    ((TOTAL++))
     37    if [ $1 -ne 0 ]; then
     38	echo "  Case $4 returned $1, expected 0"
     39	((BAD++))
     40    elif [ "$2" != "$3" ]; then
     41	echo "  Case $4 returned '$2', expected '$3'"
     42	((BAD++))
     43    fi
     44}
     45
     46for i in "-4 $TGT4" "-6 $TGT6"; do
     47    for p in u i r; do
     48	[ $p == "u" ] && prot=UDPv${i:1:2}
     49	[ $p == "i" ] && prot=ICMPv${i:1:2}
     50	[ $p == "r" ] && prot=RAWv${i:1:2}
     51
     52	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234)
     53	check_result $? "$ts" "" "$prot - no options"
     54
     55	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t | wc -l)
     56	check_result $? "$ts" "2" "$prot - ts cnt"
     57	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t |
     58		 sed -n "s/.*SCHED ts0 [0-9].*/OK/p")
     59	check_result $? "$ts" "OK" "$prot - ts0 SCHED"
     60	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t |
     61		 sed -n "s/.*SND ts0 [0-9].*/OK/p")
     62	check_result $? "$ts" "OK" "$prot - ts0 SND"
     63
     64	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d 1000 |
     65		 awk '/SND/ { if ($3 > 1000) print "OK"; }')
     66	check_result $? "$ts" "OK" "$prot - TXTIME abs"
     67
     68	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d 1000 |
     69		 awk '/SND/ {snd=$3}
     70		      /SCHED/ {sch=$3}
     71		      END { if (snd - sch > 500) print "OK"; }')
     72	check_result $? "$ts" "OK" "$prot - TXTIME rel"
     73    done
     74done
     75
     76# Summary
     77if [ $BAD -ne 0 ]; then
     78    echo "FAIL - $BAD/$TOTAL cases failed"
     79    exit 1
     80else
     81    echo "OK"
     82    exit 0
     83fi