test: Rename sha to sha_algo and pass it around

Rename this argument and pass it to each function that needs it, instead of
making it global.

Suggested-by: Stephen Warren <swarren@nvidia.com>
Suggested-by: Teddy Reed <teddy.reed@gmail.com>

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-07-31 17:35:06 -06:00 committed by Tom Rini
parent ec70f8a911
commit ac9a23cffc

View file

@ -53,19 +53,21 @@ def test_vboot(u_boot_console):
util.run_and_log(cons, 'dtc %s %s%s -O dtb '
'-o %s%s' % (dtc_args, datadir, dts, tmpdir, dtb))
def run_bootm(test_type, expect_string):
def run_bootm(sha_algo, test_type, expect_string):
"""Run a 'bootm' command U-Boot.
This always starts a fresh U-Boot instance since the device tree may
contain a new public key.
Args:
test_type: A string identifying the test type
expect_string: A string which is expected in the output
test_type: A string identifying the test type.
expect_string: A string which is expected in the output.
sha_algo: Either 'sha1' or 'sha256', to select the algorithm to
use.
"""
cons.cleanup_spawn()
cons.ensure_spawned()
cons.log.action('%s: Test Verified Boot Run: %s' % (algo, test_type))
cons.log.action('%s: Test Verified Boot Run: %s' % (sha_algo, test_type))
output = cons.run_command_list(
['sb load hostfs - 100 %stest.fit' % tmpdir,
'fdt addr 100',
@ -83,29 +85,30 @@ def test_vboot(u_boot_console):
util.run_and_log(cons, [mkimage, '-D', dtc_args, '-f',
'%s%s' % (datadir, its), fit])
def sign_fit():
def sign_fit(sha_algo):
"""Sign the FIT
Signs the FIT and writes the signature into it. It also writes the
public key into the dtb.
Args:
sha_algo: Either 'sha1' or 'sha256', to select the algorithm to
use.
"""
cons.log.action('%s: Sign images' % algo)
cons.log.action('%s: Sign images' % sha_algo)
util.run_and_log(cons, [mkimage, '-F', '-k', tmpdir, '-K', dtb,
'-r', fit])
def test_with_algo(sha):
def test_with_algo(sha_algo):
"""Test verified boot with the given hash algorithm.
This is the main part of the test code. The same procedure is followed
for both hashing algorithms.
Args:
sha: Either 'sha1' or 'sha256', to select the algorithm to use
sha_algo: Either 'sha1' or 'sha256', to select the algorithm to
use.
"""
global algo
algo = sha
# Compile our device tree files for kernel and U-Boot. These are
# regenerated here since mkimage will modify them (by adding a
# public key) below.
@ -113,26 +116,26 @@ def test_vboot(u_boot_console):
dtc('sandbox-u-boot.dts')
# Build the FIT, but don't sign anything yet
cons.log.action('%s: Test FIT with signed images' % algo)
make_fit('sign-images-%s.its' % algo)
run_bootm('unsigned images', 'dev-')
cons.log.action('%s: Test FIT with signed images' % sha_algo)
make_fit('sign-images-%s.its' % sha_algo)
run_bootm(sha_algo, 'unsigned images', 'dev-')
# Sign images with our dev keys
sign_fit()
run_bootm('signed images', 'dev+')
sign_fit(sha_algo)
run_bootm(sha_algo, 'signed images', 'dev+')
# Create a fresh .dtb without the public keys
dtc('sandbox-u-boot.dts')
cons.log.action('%s: Test FIT with signed configuration' % algo)
make_fit('sign-configs-%s.its' % algo)
run_bootm('unsigned config', '%s+ OK' % algo)
cons.log.action('%s: Test FIT with signed configuration' % sha_algo)
make_fit('sign-configs-%s.its' % sha_algo)
run_bootm(sha_algo, 'unsigned config', '%s+ OK' % sha_algo)
# Sign images with our dev keys
sign_fit()
run_bootm('signed config', 'dev+')
sign_fit(sha_algo)
run_bootm(sha_algo, 'signed config', 'dev+')
cons.log.action('%s: Check signed config on the host' % algo)
cons.log.action('%s: Check signed config on the host' % sha_algo)
util.run_and_log(cons, [fit_check_sign, '-f', fit, '-k', tmpdir,
'-k', dtb])
@ -147,9 +150,9 @@ def test_vboot(u_boot_console):
util.run_and_log(cons, 'fdtput -t bx %s %s value %s' %
(fit, sig_node, sig))
run_bootm('Signed config with bad hash', 'Bad Data Hash')
run_bootm(sha_algo, 'Signed config with bad hash', 'Bad Data Hash')
cons.log.action('%s: Check bad config on the host' % algo)
cons.log.action('%s: Check bad config on the host' % sha_algo)
util.run_and_log_expect_exception(cons, [fit_check_sign, '-f', fit,
'-k', dtb], 1, 'Failed to verify required signature')