[PATCH 6/6] nvmeof-tcp/006: test re-authentication

@@ -0,0 +1,113 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2021 Hannes Reinecke, SUSE Labs
+#
+# Test nvme over tcp re-authentication
+
+. tests/nvmeof-tcp/rc
+
+DESCRIPTION="Test re-authentication for TCP connection via localhost"
+QUICK=1
+
+requires() {
+	_nvme_requires
+	_have_modules loop
+	_require_nvme_trtype_is_fabrics
+}
+
+
+test() {
+	local port
+	local genctr
+	local subsys="blktests-subsystem-"
+	local hostid="$(uuidgen)"
+	local hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
+	local scratch="/tmp/blktest-ns1.img"
+	local hostkey
+
+	echo "Running ${TEST_NAME}"
+
+	hostkey="$(nvme gen-dhchap-key -n ${subsys}1 2> /dev/null)"
+	if [ $? -ne 0 ] ; then
+		echo "nvme gen-dhchap-key command missing"
+		return 1
+	fi
+
+	ctrlkey="$(nvme gen-dhchap-key -n ${subsys}1 2> /dev/null)"
+	if [ $? -ne 0 ] ; then
+		echo "nvme gen-dhchap-key command missing"
+		return 1
+	fi
+
+	_setup_nvmet
+
+	truncate -s 512M "${scratch}"
+
+	port="$(_create_nvmet_port "${nvme_trtype}")"
+
+	_create_nvmet_subsystem "${subsys}1" "${scratch}"
+	_add_nvmet_subsys_to_port "${port}" "${subsys}1"
+	_create_nvmet_host "${subsys}1" "${hostnqn}" "${hostkey}"
+
+	_set_nvmet_dhgroup "${hostnqn}" "ffdhe2048"
+	_set_nvmet_ctrlkey "${hostnqn}" "${ctrlkey}"
+	
+	nvme connect -t "${nvme_trtype}" -n "${subsys}1" \
+	     -a "${def_traddr}" -s "${def_trsvcid}" \
+	     -S "${hostkey}" -C "${ctrlkey}" \
+	     --hostnqn="${hostnqn}" --hostid="${hostid}"
+
+	nvme list-subsys
+
+	ctrl=$(_find_nvme_dev "${subsys}1")
+
+	echo "Re-authenticate with original host key"
+
+	echo "${hostkey}" > /sys/class/nvme/${ctrl}/dhchap_secret
+
+	echo "Renew host key on the controller"
+
+	new_hostkey="$(nvme gen-dhchap-key -n ${subsys}1 2> /dev/null)"
+
+	_set_nvmet_hostkey "${hostnqn}" "${new_hostkey}"
+
+	echo "Re-authenticate with new host key"
+
+	echo "${new_hostkey}" > /sys/class/nvme/${ctrl}/dhchap_secret
+
+	nvme list-subsys
+
+	echo "Renew ctrl key on the controller"
+
+	new_ctrlkey="$(nvme gen-dhchap-key -n ${subsys}1 2> /dev/null)"
+
+	_set_nvmet_ctrlkey "${hostnqn}" "${new_ctrlkey}"
+
+	echo "Re-authenticate with new ctrl key"
+
+	echo "${new_ctrlkey}" > /sys/class/nvme/${ctrl}/dhchap_ctrl_secret
+
+	nvme list-subsys
+
+	echo "Change DH group to ffdhe8192"
+
+	_nvmet_set_dhgroup "${subsys}1" "ffdhe8192"
+
+	echo "Re-authenticate with changed DH group"
+	echo "${new_hostkey}" > /sys/class/nvme/${ctrl}/dhchap_secret
+
+	nvme list-subsys
+
+	nvme disconnect -n "${subsys}1"
+
+	_remove_nvmet_subsystem_from_port "${port}" "${subsys}1"
+	_remove_nvmet_subsystem "${subsys}1"
+
+	_remove_nvmet_port "${port}"
+
+	_remove_nvmet_host "${hostnqn}"
+
+	rm ${scratch}
+
+	echo "Test complete"
+}

@@ -0,0 +1,23 @@
+Running nvmeof-tcp/006
+nvme-subsys0 - NQN=blktests-subsystem-1
+\
+ +- nvme0 tcp traddr=127.0.0.1,trsvcid=4420 live
+Re-authenticate with original host key
+Renew host key on the controller
+Re-authenticate with new host key
+nvme-subsys0 - NQN=blktests-subsystem-1
+\
+ +- nvme0 tcp traddr=127.0.0.1,trsvcid=4420 live
+Renew ctrl key on the controller
+Re-authenticate with new ctrl key
+nvme-subsys0 - NQN=blktests-subsystem-1
+\
+ +- nvme0 tcp traddr=127.0.0.1,trsvcid=4420 live
+Change DH group to ffdhe8192
+tests/nvmeof-tcp/006: line 94: _nvmet_set_dhgroup: command not found
+Re-authenticate with changed DH group
+nvme-subsys0 - NQN=blktests-subsystem-1
+\
+ +- nvme0 tcp traddr=127.0.0.1,trsvcid=4420 live
+NQN:blktests-subsystem-1 disconnected 1 controller(s)
+Test complete