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#!/bin/bash
if [ `id -u` -ne 0 ]; then
echo "Must run as root"
exit 1
fi
nsexec=`which nsexec`
if [ $? -ne 0 ]; then
echo "Please install nsexec from ppa:serge-hallyn/nsexec"
exit 1
fi
gdb=`which gdb`
if [ $? -ne 0 ]; then
echo "gdb not installed, not running tests"
exit 1
fi
gdbcommands=/etc/gdbcommands
if [ ! -f "$f" ]; then
gdbcommands=./gdbcommands
fi
# Can I ptrace my own tasks
sleep 60 &
gdb -x $gdbcommands -p $!
ret=$?
if [ $ret -ne 0 ]; then
echo "Error: root could not ptrace his own tasks"
exit 1
fi
# Can I ptrace tasks in child userns
nsexec -cU /bin/sleep 60 &
p=`pgrep -P $! sleep`
gdb -x $gdbcommands -p $p
ret=$?
if [ $ret -ne 0 ]; then
echo "Error: could not ptrace tasks in child userns"
exit 1
fi
# untested: can a non-root task ptrace tasks in child uersns he created?
# Can child userns ptrace task in parent userns?
sleep 60 &
nsexec -ceU $gdb -x $gdbcommands -p $!
ret=$?
if [ $ret -eq 0 ]; then
echo "Error: child userns can ptrace parent userns"
exit 1
fi
echo "All ptrace userns tests passed"
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