The fuzzers use -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION, and actually
get different results based on that. We should have at least some
targets that actually fully use the fuzz corpora.
Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #2023
We want to be in the same global state each time we come in
FuzzerTestOneInput(). There are various reasons why we might not be that
include:
- Initialization that happens on first use. This is mostly the
RUN_ONCE() things, or loading of error strings.
- Results that get cached. For instance a stack that is sorted, RSA
blinding that has been set up, ...
So I try to trigger as much as possible in FuzzerInitialize(), and for
things I didn't find out how to trigger this it needs to happen in
FuzzerTestOneInput().
Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #2023
This is something you might want to change depending on the version to
use, there is no point in us fixing this to something.
Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #2023
This updates the record layer to use the TLSv1.3 style nonce construciton.
It also updates TLSProxy and ossltest to be able to recognise the new
layout.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Commit b3618f44 added a test for mac-then-encrypt. However the test fails
when running with "enable-tls1_3". The problem is that the test creates a
connection, which ends up being TLSv1.3. However it also restricts the
ciphers to a single mac-then-encrypt ciphersuite that is not TLSv1.3
compatible so the connection aborts and the test fails. Mac-then-encrypt
is not relevant to TLSv1.3, so the test should disable that protocol
version.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Calling SSL_set_accept_state() after DTLSv1_listen() clears the state, so
SSL_accept() no longer works. In 1.0.2 calling DTLSv1_listen() would set
the accept state automatically. We should still do that.
Fixes#1989
Reviewed-by: Andy Polyakov <appro@openssl.org>
Test suite used from boring, written by David Benjamin.
Test driver converted from C++ to C.
Added a Perl program to check the testsuite file.
Extensive review feedback incorporated (thanks folks).
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Verify that the encrypt-then-mac negotiation is handled
correctly. Additionally, when compiled with no-asm, this test ensures
coverage for the constant-time MAC copying code in
ssl3_cbc_copy_mac. The proxy-based CBC padding test covers that as
well but it's nevertheless better to have an explicit handshake test
for mac-then-encrypt.
Reviewed-by: Andy Polyakov <appro@openssl.org>
GH issue #1916 affects only big-endian platforms. TLS is not affected,
because TLS fragment is never big enough.
Reviewed-by: Matt Caswell <matt@openssl.org>
GH issue #1916 affects only big-endian platforms. TLS is not affected,
because TLS fragment is never big enough.
Reviewed-by: Matt Caswell <matt@openssl.org>
The bug was introduced in 80d27cdb84,
one too many instructions was removed. It went unnoticed, because
new subroutine introduced in previous commit is called in real-life
RSA/DSA/DH cases, while original code is called only in rare tests.
The bug was caught in test_fuzz.
Reviewed-by: Rich Salz <rsalz@openssl.org>
The SSL_IS_TLS13() macro wasn't quite right. It would come back with true
in the case where we haven't yet negotiated TLSv1.3, but it could be
negotiated.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Current s_server can only get an OCSP Response from an OCSP responder. This
provides the capability to instead get the OCSP Response from a DER encoded
file.
This should make testing of OCSP easier.
Reviewed-by: Rich Salz <rsalz@openssl.org>
After the client processes the server's initial flight in TLS1.3 it may
respond with either an encrypted, or an unencrypted alert. We needed to
teach TLSProxy about this so that it didn't issue spurious warnings.
Reviewed-by: Rich Salz <rsalz@openssl.org>
