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-rw-r--r--regress/agent-ptrace.sh66
1 files changed, 66 insertions, 0 deletions
diff --git a/regress/agent-ptrace.sh b/regress/agent-ptrace.sh
new file mode 100644
index 0000000..2d795ee
--- /dev/null
+++ b/regress/agent-ptrace.sh
@@ -0,0 +1,66 @@
+# $OpenBSD: agent-ptrace.sh,v 1.3 2015/09/11 04:55:01 djm Exp $
+# Placed in the Public Domain.
+
+tid="disallow agent ptrace attach"
+
+if have_prog uname ; then
+ case `uname` in
+ AIX|CYGWIN*|OSF1)
+ echo "skipped (not supported on this platform)"
+ exit 0
+ ;;
+ esac
+fi
+
+if [ "x$USER" = "xroot" ]; then
+ echo "Skipped: running as root"
+ exit 0
+fi
+
+if have_prog gdb ; then
+ : ok
+else
+ echo "skipped (gdb not found)"
+ exit 0
+fi
+
+if $OBJ/setuid-allowed ${SSHAGENT} ; then
+ : ok
+else
+ echo "skipped (${SSHAGENT} is mounted on a no-setuid filesystem)"
+ exit 0
+fi
+
+if test -z "$SUDO" ; then
+ echo "skipped (SUDO not set)"
+ exit 0
+else
+ $SUDO chown 0 ${SSHAGENT}
+ $SUDO chgrp 0 ${SSHAGENT}
+ $SUDO chmod 2755 ${SSHAGENT}
+fi
+
+trace "start agent"
+eval `${SSHAGENT} -s` > /dev/null
+r=$?
+if [ $r -ne 0 ]; then
+ fail "could not start ssh-agent: exit code $r"
+else
+ # ls -l ${SSH_AUTH_SOCK}
+ gdb ${SSHAGENT} ${SSH_AGENT_PID} > ${OBJ}/gdb.out 2>&1 << EOF
+ quit
+EOF
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "gdb failed: exit code $r"
+ fi
+ egrep 'ptrace: Operation not permitted.|procfs:.*Permission denied.|ttrace.*Permission denied.|procfs:.*: Invalid argument.|Unable to access task ' >/dev/null ${OBJ}/gdb.out
+ r=$?
+ rm -f ${OBJ}/gdb.out
+ if [ $r -ne 0 ]; then
+ fail "ptrace succeeded?: exit code $r"
+ fi
+
+ trace "kill agent"
+ ${SSHAGENT} -k > /dev/null
+fi