Commit graph

610 commits

Author SHA1 Message Date
Manuel Pégourié-Gonnard f08284769d Add an option to test constant-flow with valgrind
Currently the new component in all.sh fails because
mbedtls_ssl_cf_memcpy_offset() is not actually constant flow - this is on
purpose to be able to verify that the new test works.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-25 11:26:37 +02:00
Manuel Pégourié-Gonnard f0b469e42b Merge branch 'mbedtls-2.16' into mbedtls-2.16-restricted
* mbedtls-2.16: (32 commits)
  A different approach of signed-to-unsigned comparison
  Fix bug in redirection of unit test outputs
  Don't forget to free G, P, Q, ctr_drbg, and entropy
  Backport e2k support to mbedtls-2.7
  compat.sh: stop using allow_sha1
  compat.sh: quit using SHA-1 certificates
  compat.sh: enable CBC-SHA-2 suites for GnuTLS
  Fix license header in pre-commit hook
  Update copyright notices to use Linux Foundation guidance
  Fix building on NetBSD 9.0
  Remove obsolete buildbot reference in compat.sh
  Fix misuse of printf in shell script
  Fix added proxy command when IPv6 is used
  Simplify test syntax
  Fix logic error in setting client port
  ssl-opt.sh: include test name in log files
  ssl-opt.sh: remove old buildbot-specific condition
  ssl-opt.sh: add proxy to all DTLS tests
  Log change as bugfix
  Add changelog entry
  ...
2020-08-25 10:58:15 +02:00
Bence Szépkúti a2947ac7bb Update copyright notices to use Linux Foundation guidance
As a result, the copyright of contributors other than Arm is now
acknowledged, and the years of publishing are no longer tracked in the
source files.

Also remove the now-redundant lines declaring that the files are part of
MbedTLS.

This commit was generated using the following script:

# ========================
#!/bin/sh

# Find files
find '(' -path './.git' -o -path './3rdparty' ')' -prune -o -type f -print | xargs sed -bi '

# Replace copyright attribution line
s/Copyright.*Arm.*/Copyright The Mbed TLS Contributors/I

# Remove redundant declaration and the preceding line
$!N
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D
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# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-08-19 16:37:36 +02:00
Manuel Pégourié-Gonnard 9ad5128324 Add -u option to check-generated-files.sh
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-10 12:56:08 +02:00
Manuel Pégourié-Gonnard 2b80249c04 Add comment on memsan + constant-flow testing 2020-07-28 11:52:01 +02:00
Manuel Pégourié-Gonnard a237722118 Add MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN
This option allows to test the constant-flow nature of selected code, using
MemSan and the fundamental observation behind ctgrind that the set of
operations allowed on undefined memory by dynamic analysers is the same as the
set of operations allowed on secret data to avoid leaking it to a local
attacker via side channels, namely, any operation except branching and
dereferencing.

(This isn't the full story, as on some CPUs some instructions have variable
execution depending on the inputs, most notably division and on some cores
multiplication. However, testing that no branch or memory access depends on
secret data is already a good start.)

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-07-28 11:21:24 +02:00
Gilles Peskine ee69477890 Rename Python scripts to use '_' and not '-'
You can't import a Python script whose name includes '-'.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-07-02 12:06:46 +02:00
Janos Follath f69b919844 Merge branch 'mbedtls-2.16-restricted' into mbedtls-2.16.7r0 2020-06-25 09:19:21 +01:00
Manuel Pégourié-Gonnard 805b1461b8 all.sh: clean up some uses of "local" variables
While pure sh doesn't have a concept of local variables, we can partially
emulate them by unsetting variables before we exit the function, and use the
convention of giving them lowercase names to distinguish from global
variables.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-23 11:42:59 +02:00
Manuel Pégourié-Gonnard 1ee685018a Make check_generate_test_code more -q friendly
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-23 11:36:32 +02:00
Manuel Pégourié-Gonnard de4ad2da38 Add a --quiet option to all.sh
The primary purpose is to use it to run all.sh -k -q in the pre-push hook, but
this can be useful in any circumstance where you're not interested in the full
output from each component and just want a short summary of which components
were run (and if any failed).

Note that only stdout from components is suppressed, stderr is preserved so
that errors are reported. This means components should avoid printing to
stderr in normal usage (ie in the absence of errors).

Currently all the `check_*` components obey this convention except:
- check_generate_test_code: unittest prints progress to stderr
- check_test_cases: lots of non-fatal warnings printed to stderr

These components will be fixed in follow-up commits.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-23 11:36:30 +02:00
Manuel Pégourié-Gonnard 1bff6847fb Adjust comments about SEED synchronisation
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-22 10:53:44 +02:00
Manuel Pégourié-Gonnard c2400d38fe Make basic-build-test.sh deterministic
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-22 10:53:42 +02:00
Manuel Pégourié-Gonnard 2df5857dbe Remove SHA-1 as a fallback option
- it's 2020, there shouldn't be too many systems out there where SHA-1 is the
  only available hash option, so its usefulness is limited
- OTOH testing configurations without SHA-2 reveal bugs that are not easy to
  fix in a fully compatible way

So overall, the benefit/cost ratio is not good enough to justify keeping SHA-1
as a fallback option here.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-18 12:17:59 +02:00
Manuel Pégourié-Gonnard 72177e362b Add fall-back to hash-based KDF for internal ECP DRBG
The dependency on a DRBG module was perhaps a bit strict for LTS branches, so
let's have an option that works with no DRBG when at least one SHA module is
present.

This changes the internal API of ecp_drbg_seed() by adding the size of the
MPI as a parameter. Re-computing the size from the number of limbs doesn't
work too well here as we're writing out to a fixed-size buffer and for some
curves (P-521) that would round up too much. Using mbedtls_mpi_get_len() is
not entirely satisfactory either as it would mean using a variable-length
encoding, with could open side channels.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-16 12:51:42 +02:00
Manuel Pégourié-Gonnard 047986c2f8 Add support for RESTARTABLE with internal RNG
Currently we draw pseudo-random numbers at the beginning and end of the main
loop. With ECP_RESTARTABLE, it's possible that between those two occasions we
returned from the multiplication function, hence lost our internal DRBG
context that lives in this function's stack frame. This would result in the
same pseudo-random numbers being used for blinding in multiple places. While
it's not immediately clear that this would give rise to an attack, it's also
absolutely not clear that it doesn't. So let's avoid that by using a DRBG
context that lives inside the restart context and persists across
return/resume cycles. That way the RESTARTABLE case uses exactly the
same pseudo-random numbers as the non-restartable case.

Testing and compile-time options:

- The case ECP_RESTARTABLE && !ECP_NO_INTERNAL_RNG is already tested by
  component_test_no_use_psa_crypto_full_cmake_asan.
- The case ECP_RESTARTABLE && ECP_NO_INTERNAL_RNG didn't have a pre-existing
  test so a component is added.

Testing and runtime options: when ECP_RESTARTABLE is enabled, the test suites
already contain cases where restart happens and cases where it doesn't
(because the operation is short enough or because restart is disabled (NULL
restart context)).

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-16 10:52:32 +02:00
Manuel Pégourié-Gonnard 23983f30de Add config.h option MBEDTLS_ECP_NO_INTERNAL_RNG
No effect so far, except on dependency checking, as the feature it's meant to
disable isn't implemented yet (so the descriptions in config.h and the
ChangeLog entry are anticipation for now).

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-16 10:51:42 +02:00
Bence Szépkúti f744bd72ee Update license headers to Apache-2.0 OR GPL-2.0-or-later
This will allow us to ship the LTS branches in a single archive

This commit was generated using the following script:

# ========================
#!/bin/sh

header1='\ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later\
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 *  Apache License 2.0:\
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 *  You may obtain a copy of the License at\
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 *  Unless required by applicable law or agreed to in writing, software\
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 *  See the License for the specific language governing permissions and\
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 *  GNU General Public License v2.0 or later:\
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 *  This program is free software; you can redistribute it and/or modify\
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 *  (at your option) any later version.\
 *\
 *  This program is distributed in the hope that it will be useful,\
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of\
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\
 *  GNU General Public License for more details.\
 *\
 *  You should have received a copy of the GNU General Public License along\
 *  with this program; if not, write to the Free Software Foundation, Inc.,\
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\
 *\
 *  **********'

find -path './.git' -prune -o '(' -name '*.c' -o -name '*.cpp' -o -name '*.fmt' -o -name '*.h' ')' -print | xargs sed -i "
# Normalize the first line of the copyright headers (no text on the first line of a block comment)
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# Insert new copyright header
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# Delete old copyright header
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# Format copyright header for inclusion into scripts
header2=$(echo "$header1" | sed 's/^\\\? \* \?/#/')

find -path './.git' -prune -o '(' -name '*.gdb' -o -name '*.pl' -o -name '*.py' -o -name '*.sh' ')' -print | xargs sed -i "
# Insert new copyright header
/SPDX-License-Identifier/ i\
$header2

# Delete old copyright header
/SPDX-License-Identifier/,$ {
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  N
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"
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-06-15 12:48:48 +02:00
Bence Szépkúti 51b41d5422 Add Apache-2.0 headers to all scripts
This commit was generated using the following script:

# ========================
#!/bin/sh

# Find scripts
find -path './.git' -prune -o '(' -name '*.gdb' -o -name '*.pl' -o -name '*.py' -o -name '*.sh' ')' -print | xargs sed -i '

# Remove Mbed TLS declaration if it occurs before the copyright line
1,/Copyright.*Arm/I {
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}

# Convert non-standard header in scripts/abi_check.py to the format used in the other scripts
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/Copyright.*Arm/I {

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# SPDX-License-Identifier: Apache-2.0\
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# You may obtain a copy of the License at\
#\
# http://www.apache.org/licenses/LICENSE-2.0\
#\
# Unless required by applicable law or agreed to in writing, software\
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT\
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\
# See the License for the specific language governing permissions and\
# limitations under the License.

    # Insert Mbed TLS declaration if it is missing
    /This file is part of/! i\
#\
# This file is part of Mbed TLS (https://tls.mbed.org)
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  D
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'
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-06-15 12:18:56 +02:00
Bence Szépkúti 468a76f88a Add copyright dates to all scripts
To find any files with a missing copyright declaration, use the following script:

# ========================
#!/bin/sh

# Find files with copyright declarations, and list their file extensions
exts=$(grep -Ril --exclude-dir .git 'Copyright.*Arm' | sed '
  s/.*\./-name "*./
  s/$/"/
' | sort -u | sed -n '
  :l
    N
    $!bl
  s/\n/ -o /gp
')

# Find files with file extensions that ususally include copyright extensions, but don't include a copyright declaration themselves.
eval "find -path './.git' -prune -o ! -path './tests/data_files/format_pkcs12.fmt' '(' $exts ')' -print" | xargs grep -Li 'Copyright.*Arm'
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-06-15 12:18:56 +02:00
Bence Szépkúti cd6fd060ec Remove hardcoded line number from the zeroize test
Instead, we insert a comment containing GDB_BREAK_HERE in the line we
want to break at, and let the gdb script search for it.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-06-10 11:13:41 +02:00
Bence Szépkúti 74fc3be396 Remove superfluous include from zeroize.c
This brings zeroize.c and test_zeroize.gdb in sync with development.

The include was introduced in 3b0c43063 (#2710).
Reverts ff8ae1115 from the same pull request.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-06-10 11:13:13 +02:00
Manuel Pégourié-Gonnard 471ae59783
Merge pull request #3396 from danh-arm/dh/branch-cov-2.16
Backport 2.16: Enable branch coverage in basic_build_test.sh
2020-06-08 10:15:17 +02:00
Manuel Pégourié-Gonnard c5243c198c Add test for dependencies on HMAC_DRBG in all.sh
Similarly to the recently-added tests for dependencies on CTR_DRBG:
constrained environments will probably want only one DRBG module, and we
should make sure that tests pass in such a configuration.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-05 09:47:28 +02:00
Dan Handley 8cb1981acd Enable branch coverage in basic_build_test.sh
Enable branch coverage output in basic_build_test.sh. This
includes enabling branch coverage output to the lcov make target,
which is disabled by default.

Signed-off-by: Dan Handley <dan.handley@arm.com>
2020-06-04 16:31:59 +01:00
Manuel Pégourié-Gonnard 49d3dd0afc
Merge pull request #3384 from mpg/fix-ctr-drbg-deps-2.16
[Backport 2.16] Fix undeclared dependencies on CTR_DRBG (and add test)
2020-06-03 10:56:03 +02:00
Manuel Pégourié-Gonnard 014ff5b0d6 Add test for building without CTR_DRBG
People who prefer to rely on HMAC_DRBG (for example because they use it for
deterministic ECDSA and don't want a second DRBG for code size reasons) should
be able to build and run the tests suites without CTR_DRBG.

Ideally we should make sure the level of testing (SSL) is the same regardless
of which DRBG modules is enabled, but that's a more significant piece of work.
For now, just ensure everything builds and `make test` passes.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-06-03 09:54:19 +02:00
Manuel Pégourié-Gonnard 503b79e866
Merge pull request #3375 from gilles-peskine-arm/basic-build-test-status-2.16
Backport 2.16: Fix failure detection in basic-build-test.sh
2020-06-03 09:41:29 +02:00
Gilles Peskine f25cd6ba5f MBEDTLS_MEMORY_BACKTRACE is no longer included in the full config
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 19:06:33 +02:00
Gilles Peskine d9701ae21e Create a seedfile explicitly
Running the entropy unit test creates a suitable seedfile, but this
only works due to the happy accident that no prior unit test needs one
(specifically, test_suite_entropy runs before test_suite_rsa). So
create one explicitly, both for robustness and to keep the script
closer to the version in development where the explicit seedfile
creation is required.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 19:02:52 +02:00
Gilles Peskine ed1f673525 If 'make lcov' failed, exit immediately
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 19:01:02 +02:00
Gilles Peskine 8bfe12b1ff Note that we keep going even if some tests fail
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 19:00:55 +02:00
Gilles Peskine f54a5de66a Exit with a failure status if some tests failed
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 19:00:45 +02:00
Gilles Peskine b6484875cc Finish the documentation of normalize_path
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:31:39 +02:00
Gilles Peskine 3c23c82dac Run assemble_changelog.py in all.sh
Avoid nasty surprises where it would fail when we want to make a release.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:31:39 +02:00
Gilles Peskine 43c74d20de Some .pem files are openssl output and have tabs and that's ok
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:31:24 +02:00
Gilles Peskine 401825148f .dsw files are Visual Studio stuff
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:31:24 +02:00
Gilles Peskine 66de311e0b Permit empty files
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:31:24 +02:00
Gilles Peskine ce5d854dca Check only files checked into Git
We're only interested in files that are committed and pushed to be
included in Mbed TLS, not in any other files that may be lying around.
So ask git for the list of file names.

This script is primarily intended to run on the CI, and there it runs
on a fresh Git checkout plus potentially some other checkouts or
leftovers from a previous part of the CI job. It should also run
reasonably well on developer machines, where there may be various
additional files. In both cases, git is available.

Ad hoc directory exclusions are no longer needed.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:26:45 +02:00
Gilles Peskine ffaef81586 Exclude binary files from text checks
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:26:45 +02:00
Gilles Peskine e6f1f245f5 Regex mechanism for check-specific exemptions
Suffixes are convenient but not always sufficient.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:26:45 +02:00
Gilles Peskine 125f89b893 Check all files by default
Have an explicit list of exemptions for specific checks rather than
whitelisting files to check. Some checks, such as permissions, should
apply to all files.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:26:45 +02:00
Gilles Peskine e856ba11a1 More accurate variable name
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-05-28 18:25:35 +02:00
Gilles Peskine 8b34fef0a8
Merge pull request #2710 from k-stachowiak/unified-exit-in-examples-2.16
Backport 2.16: Unify the example programs' termination
2020-05-12 10:46:36 +02:00
k-stachowiak ff8ae11159 Adjust the zeroization test to the new length of zeroize.c 2020-05-11 22:16:42 +02:00
Gilles Peskine 0f593416e0
Merge pull request #3247 from gilles-peskine-arm/travis-rationalize-2.16
Backport 2.16: Rationalize Travis builds
2020-05-04 12:10:55 +02:00
Gilles Peskine e6c0c7d369 all.sh: on arm builds (GCC or Arm Compiler), show the code size
Just show the code size in the logs, for human consumption.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-04-30 23:19:44 +02:00
Gilles Peskine dac156b631 all.sh: add a Cortex-M0+ build
It's pretty fast and adds a little variety.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-04-30 23:19:44 +02:00
Gilles Peskine fcccfbc64a all.sh: build_arm_none_eabi_gcc: do optimize
Otherwise the bignum assembly code is not used.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-04-30 23:18:24 +02:00
Gilles Peskine a3c6c8a945 Rename --arm-gcc-prefix to --arm-none-eabi-gcc-prefix
This is supposed to be for GCC (or a compiler with a compatible
command line interface) targeting arm-none-eabi, so name it
accordingly.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-04-30 18:43:21 +02:00