Implement CMD_LOCK_STORAGE / PTM_LOCK_STORAGE for a user to be able to
lock the storage of the storage backend (if supported) after its lock
has been released for example when the 'savestate' blob was received
while the TPM state was migrated.
Also adjust test case and extend man pages.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Move swtpm_open_cmddev call into swtpm_cmd_tx since the latter function is
always called in a subshell that previously inherited the file descriptor
opened by the test cases. Remove swtpm_cmd_tx from nearly all test cases
and also remove closing of file descriptor 100 via 'exec 100>&-' from test
cases since this is not necessary anymore.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Skip test cases for TPM 1.2 if TPM 1.2 support is not provided by swtpm.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
[ skip more tests ]
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Adjust the vtpm proxy test case and others to make use of the new
startup options. Make sure that subsequent Startups sent to the
TPM fail with the expected error code.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
The Ubuntu (PPA) build system executes the build on an environment that
has problems with seccomp profiles. It does not allow us to run the test
suite with swtpm applying its seccomp profile since it fails with a
'bad system call' error. To work around this we introduce the env. variable
SWTPM_TEST_SECCOMP_OPT that we can set to "--seccomp action=none" to avoid
having swtpm apply it seccomp profile.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Get the PID of the started swtpm from the shell and validate it
against the contents of the pidfile afterwards.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Extend the previously modified test case to also test on
Darwin now that we are able to convert a file descriptor
to a filename.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
On Linux and Cygwin we can pass a file descriptor for the pid
file, on other platforms it doesn't work (yet).
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Pass the --runas parameter to swtpm so we can test switching it
to a given user 'nobody'.
We also have to change ownership of files and directories so that
the nobody user can write the coverage files when swtpm ends.
In the test case we then use the trick of changing file ownership
just before we terminate swtpm, which will trigger the writing
of the .gcda files. We need to have nobody own these files.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Use the mode= parameter of the TPM's state file and a unix
socket to have swtpm set the file mode bits and check that
they are set as expected.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Wait a few seconds for files to appear or disappear after starting the
swtpm process. This helps avoid test failures when the system is under
load.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
To avoid timeouts when running the tests with valgrind, increase
the timeout until the swtpm process must have terminated after a
shutdown signal to 4 seconds.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Use pbkdf2 as the default kdf and sha512 for the existing
test case. Do away with file limit of 32 bytes. This may
break backwards compatibility for some but better to do this
before a release...
Switch the existing test cases to use kdf=sha512 on the command
line where necessary to that the state for these test cases
does not need to be recreated.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
On some systems /bin/bash does not exists but the bash is somewhere
else and can be invoked with /usr/bin/env bash.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
If the file descriptor 100 is open prior to trying to open
it, it must be closed first on OS/X, otherwise we get test
case failures due to interrupted connections.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Pass the top_builddir and top_srcdir via TESTS_ENVIRONMENT
variable in Makefile.am.
Use TESTDIR for the path to the test directory and replace
previously used DIR in all occurences.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Have the test cases wait for the process to be gone after 1s using
wait_process_gone rather than trying use kill -0 once after 0.5s.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Whenever we encrypt the data we generate a new random IV and append a
tlv block with the IV to the byte stream. We mark the IV with different
tags depending on whether they are for the migration data or the (TPM)
data directly. All IVs are part of the HMAC and are added to it after
the data blob.
Adjust test cases that now return larger sizes of data. A constant
checksum over the data cannot be expected anymore, thus we have to remove
the verification of the checksum over the returned state (IV changes
every time).
The size of the blobs grow by 22 bytes, 6 for the tlv header, 16 bytes
for the IV (128 bit AES key).
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Prepend tag-length-value (tlv) headers in front of all data being stored in
the byte stream following the header. This lets us uniquely identify plain
data (= TPM state), encrypted data (= encrytped TPM state), migration data
(which is wrapped plain or encrytped TPM state), and an HMAC block to
validate the plain data.
We keep support for version 1 for reading the data but convert them to
version 2 when writing them out. This way we loose backwards compatibility
(downgrading of swtpm is not possible), but it allows us to extend the state
in the future by adding addition blocks with tlv headers.
Version 1 of the encryption was prepending the hash on the plaintext data
then encrypting all of it. This method is not so good. In version 2 we now
use Encrypt-then-MAC (EtM) where we encrypt the data and then calculate an
HMAC on the encrypted data.
Files written by the swtpm didn't have a header before. Now they also get a
header. This means that the state written into files and the state retrieved
using the API (swtpm_ioctl --save) have the same format, but still differ
in so far as the API wraps the data in a tlv header for migration, which the
files written out as state would never get.
Adapt a couple of test cases show file sizes and hashes have changed now.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
We quetry the swtpm for TPM specification info that goes into the
certificate for the EK.
Update the test cases that now see more capabilties being returned
by the swtpm.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Implement a command for setting and querying the buffer size the
TPM implementation (libtpms) is using. The setting of the
buffersize allows to reduce the size of the buffer to a size
that the interface can support so that these two sizes match
and the TPM will not produce larger responses than what the
interface can support.
Extend swtpm_ioctl with an option to set the buffersize.
Adapt the existing tests to reflect the newly supported command.
Implement a new test for getting/setting of the buffer size.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Check whether /dev/ptmx or /dev/ptm exists and use it to open a file
descriptor on it, raise an error otherwise.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
The control channel of a UnixIO socket is not supported
on Cygwin, so do not present this flag. Return an error
if this command is run.
Adapt the test case.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Copy the test case that use 'swtpm chardev' to test_ctrlchannel4
and convert this test in test_ctrlchannel to use a socket. Make
test_ctrlchannel run on all platforms. test_ctrlchannel4 only
runs when WITH_CHARDEV is set in the Makefile.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Split off the CMD_SET_DATAFD into its own file. This test only works on
Linux, so we skip it on Cygwin for example. Otherwise it should be able
to run.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
To enable the test suite to for example run a mixture of 32- and
64bit executables, allow users to specify the executables to use by
setting the variables SWTPM_EXE, SWTPM_IOCTL, and SWTPM_BIOS via
command line.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
As objected by QEMU upstream developers to use two different sockets for
starting/using of swtpm, This commit adds support for passing unix domain
socket over control channel.
The summary of the changes include:
- Defined new control command CMD_SET_DATAFD, using this clients can send data
socket.
- set mlp.fd and mlp.flags outside of the mainloop
- updated the testcases
Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Add the missing PTM_CAP_GET_CONFIG to the returned flags.
Fix the order of the flags on the way.
Fix the test cases that test for the flags.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Refactor the tests so that they all run on socket interfaces as well.
Use socket ports in the range of 65400-65499 for TPM 1.2 tests.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Change the startup behavior with respect to requiring an INIT command
via control channel. We change this for the socket and chardev
interfaces so that the behavior now is the same as that of the CUSE
interface.
Introduce the --flag not-need-init command line option for the socket
and chardev interfaces to allow the old behavior using this option.
Adapt some of the test cases and swtpm_setup.sh.in that now need this
command line flag.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Introduce wait_for_file function to wait for a file for a max. amount of
time and have that function poll for the file to appear.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Fix a typo in two command names so that they are similar to
the command name spelling used for the ioctl's.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
