eaf925df00
Hide /usr/share/wireshark from hostfs to prevent tshark from loading all the data from there since that can take significant amount of time and is not really needed for the test cases. In addition, set HOME to point to local tmpfs to avoid unnecessary references through hostfs. Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
170 lines
4.2 KiB
Bash
Executable file
170 lines
4.2 KiB
Bash
Executable file
#!/bin/sh
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# keep old /etc
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mount tmpfs -t tmpfs /tmp
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mkdir /tmp/etc
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mount --bind /etc /tmp/etc
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# mount all kinds of things
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mount tmpfs -t tmpfs /etc
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# we need our own /dev/rfkill, and don't want device access
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mount tmpfs -t tmpfs /dev
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# some sockets go into /var/run, and / is read-only
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mount tmpfs -t tmpfs /var/run
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mount proc -t proc /proc
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mount sysfs -t sysfs /sys
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# needed for tracing
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mount debugfs -t debugfs /sys/kernel/debug
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mkdir /tmp/wireshark-share
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mount --bind /usr/share/wireshark /tmp/wireshark-share
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mount tmpfs -t tmpfs /usr/share/wireshark
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# for inside telnet
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mkdir /dev/pts
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mount devpts -t devpts /dev/pts
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export PATH=/usr/sbin:$PATH
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export HOME=/tmp
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# reboot on any sort of crash
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sysctl kernel.panic_on_oops=1
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sysctl kernel.panic=1
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# get extra command line variables from /proc/cmdline
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TESTDIR=$(sed 's/.*testdir=\([^ ]*\) .*/\1/' /proc/cmdline)
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TIMEWARP=$(sed 's/.*timewarp=\([^ ]*\) .*/\1/' /proc/cmdline)
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EPATH=$(sed 's/.*EPATH=\([^ ]*\) .*/\1/' /proc/cmdline)
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TELNET=$(sed 's/.*TELNET=\([^ ]*\) .*/\1/' /proc/cmdline)
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ARGS=$(sed 's/.*ARGS=\([^ ]*\)\( \|$\).*/\1/' /proc/cmdline)
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LOGDIR=$(sed 's/.*LOGDIR=\([^ ]*\)\( \|$\).*/\1/' /proc/cmdline)
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# create /dev entries we need
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mknod -m 660 /dev/ttyS0 c 4 64
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mknod -m 666 /dev/ptmx c 5 2
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mknod -m 660 /dev/random c 1 8
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mknod -m 660 /dev/urandom c 1 9
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mknod -m 666 /dev/null c 1 3
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mknod -m 666 /dev/kmsg c 1 11
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test -f /sys/class/misc/rfkill/dev && \
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mknod -m 660 /dev/rfkill c $(cat /sys/class/misc/rfkill/dev | tr ':' ' ')
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ln -s /proc/self/fd/0 /dev/stdin
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ln -s /proc/self/fd/1 /dev/stdout
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ln -s /proc/self/fd/2 /dev/stderr
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echo "VM has started up" > /dev/ttyS0
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# create dummy sudo - everything runs as uid 0
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mkdir /tmp/bin
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cat > /tmp/bin/sudo << EOF
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#!/bin/bash
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exec "\$@"
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EOF
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chmod +x /tmp/bin/sudo
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# and put it into $PATH, as well as our extra-$PATH
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export PATH=/tmp/bin:$EPATH:$PATH
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# some tests assume adm/admin group(s) exist(s)
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cat > /etc/group <<EOF
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adm:x:0:
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admin:x:0:
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messagebus:x:106:
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EOF
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# root should exist
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cat > /etc/passwd <<EOF
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root:x:0:0:root:/tmp:/bin/bash
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messagebus:x:102:106::/var/run/dbus:/bin/false
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EOF
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cat > /etc/ethertypes <<EOF
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IPv4 0800 ip ip4
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ARP 0806 ether-arp
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IPv6 86DD ip6
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EOF
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cat > /etc/protocols <<EOF
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ip 0 IP
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icmp 1 ICMP
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tcp 6 TCP
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udp 17 UDP
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ipv6-icmp 58 IPv6-ICMP
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EOF
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# we may need /etc/alternatives, at least on Debian-based systems
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ln -s /tmp/etc/alternatives /etc/
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# local network is needed for some tests
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ip link set lo up
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# create logs mountpoint and mount the logshare
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mkdir /tmp/logs
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if grep -q rootfstype=hostfs /proc/cmdline; then
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mount -t hostfs none /tmp/logs -o $LOGDIR
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else
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mount -t 9p -o trans=virtio,rw logshare /tmp/logs
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fi
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# allow access to any outside directory (e.g. /tmp) we also have
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mkdir /tmp/host
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mount --bind / /tmp/host
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if [ "$TIMEWARP" = "1" ] ; then
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(
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while sleep 1 ; do
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date --set "@$(($(date +%s) + 19))"
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done
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) &
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fi
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echo hwsimvm > /proc/sys/kernel/hostname
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echo 8 8 8 8 > /proc/sys/kernel/printk
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cat > /tmp/bin/login <<EOF
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#!/bin/sh
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export PS1='\h:\w\$ '
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exec bash
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EOF
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chmod +x /tmp/bin/login
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if [ "$TELNET" = "1" ] ; then
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ip link set eth0 up
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ip addr add 172.16.0.15/24 dev eth0
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which in.telnetd >/dev/null && (
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while true ; do
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in.telnetd -debug 23 -L /tmp/bin/login
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done
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) &
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fi
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# check if we're rebooting due to a kernel panic ...
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if grep -q 'Kernel panic' /tmp/logs/console ; then
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echo "KERNEL CRASHED!" >/dev/ttyS0
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else
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# finally run the tests
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export USER=0
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export LOGDIR=/tmp/logs
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export DBFILE=$LOGDIR/results.db
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export PREFILL_DB=y
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# some tests need CRDA, install a simple uevent helper
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# and preload the 00 domain it will have asked for already
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echo $TESTDIR/vm/uevent.sh > /sys/kernel/uevent_helper
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COUNTRY=00 crda
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mkdir -p /var/run/dbus
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touch /var/run/dbus/hwsim-test
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chown messagebus.messagebus /var/run/dbus
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dbus-daemon --config-file=$TESTDIR/vm/dbus.conf --fork
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cd $TESTDIR
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./run-all.sh --vm $(cat /tmp/host$ARGS) </dev/ttyS0 >/dev/ttyS0 2>&1
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if test -d /sys/kernel/debug/gcov ; then
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cp -ar /sys/kernel/debug/gcov /tmp/logs/
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# these are broken as they're updated while being read ...
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find /tmp/logs/gcov/ -wholename '*kernel/gcov/*' -print0 | xargs -0 rm
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fi
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#bash </dev/ttyS0 >/dev/ttyS0 2>&1
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fi
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# and shut down the machine again
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halt -f -p
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