1264377Sdes# $OpenBSD: agent-ptrace.sh,v 1.2 2014/02/27 21:21:25 djm Exp $ 2113908Sdes# Placed in the Public Domain. 3113908Sdes 4113908Sdestid="disallow agent ptrace attach" 5113908Sdes 6124208Sdesif have_prog uname ; then 7124208Sdes case `uname` in 8146998Sdes AIX|CYGWIN*|OSF1) 9124208Sdes echo "skipped (not supported on this platform)" 10124208Sdes exit 0 11124208Sdes ;; 12124208Sdes esac 13124208Sdesfi 14124208Sdes 15296781Sdesif [ "x$USER" = "xroot" ]; then 16296781Sdes echo "Skipped: running as root" 17296781Sdes exit 0 18296781Sdesfi 19296781Sdes 20124208Sdesif have_prog gdb ; then 21124208Sdes : ok 22124208Sdeselse 23124208Sdes echo "skipped (gdb not found)" 24124208Sdes exit 0 25124208Sdesfi 26124208Sdes 27262566Sdesif $OBJ/setuid-allowed ${SSHAGENT} ; then 28262566Sdes : ok 29262566Sdeselse 30262566Sdes echo "skipped (${SSHAGENT} is mounted on a no-setuid filesystem)" 31262566Sdes exit 0 32262566Sdesfi 33262566Sdes 34126274Sdesif test -z "$SUDO" ; then 35126274Sdes echo "skipped (SUDO not set)" 36126274Sdes exit 0 37126274Sdeselse 38126274Sdes $SUDO chown 0 ${SSHAGENT} 39126274Sdes $SUDO chgrp 0 ${SSHAGENT} 40126274Sdes $SUDO chmod 2755 ${SSHAGENT} 41126274Sdesfi 42126274Sdes 43113908Sdestrace "start agent" 44113908Sdeseval `${SSHAGENT} -s` > /dev/null 45113908Sdesr=$? 46113908Sdesif [ $r -ne 0 ]; then 47113908Sdes fail "could not start ssh-agent: exit code $r" 48113908Sdeselse 49113908Sdes # ls -l ${SSH_AUTH_SOCK} 50113908Sdes gdb ${SSHAGENT} ${SSH_AGENT_PID} > ${OBJ}/gdb.out 2>&1 << EOF 51113908Sdes quit 52113908SdesEOF 53262566Sdes r=$? 54262566Sdes if [ $r -ne 0 ]; then 55262566Sdes fail "gdb failed: exit code $r" 56113908Sdes fi 57218767Sdes egrep 'ptrace: Operation not permitted.|procfs:.*Permission denied.|ttrace.*Permission denied.|procfs:.*: Invalid argument.|Unable to access task ' >/dev/null ${OBJ}/gdb.out 58113908Sdes r=$? 59113908Sdes rm -f ${OBJ}/gdb.out 60113908Sdes if [ $r -ne 0 ]; then 61113908Sdes fail "ptrace succeeded?: exit code $r" 62113908Sdes fi 63113908Sdes 64113908Sdes trace "kill agent" 65113908Sdes ${SSHAGENT} -k > /dev/null 66113908Sdesfi 67