In the BN_mpi2bn() function, a failure of a call to BN_bin2bn() could
result in the leak of a previously allocated BIGNUM value.
Reviewed-by: Richard Levitte <levitte@openssl.org>
During construction of a mem BIO we allocate some resources. If this
allocation fails we can end up leaking everything we have allocated so
far.
Reviewed-by: Richard Levitte <levitte@openssl.org>
When setting an accepted socket for non-blocking, if the operation fails
make sure we close the accepted socket.
Reviewed-by: Richard Levitte <levitte@openssl.org>
BIO_sock_error() returned 1 when getsockopt() fails when it should
return the error code for that failure.
Additionally, the optlen parameter to getsockopt() has to point at
the size of the area that the optval parameter points at rather than
zero. Some systems may forgive it being zero, but others don't.
Reviewed-by: Matt Caswell <matt@openssl.org>
The traditional private key encryption algorithm doesn't function
properly if the IV length of the cipher is zero. These ciphers
(e.g. ECB mode) are not suitable for private key encryption
anyway.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Coverity reports a potential NULL deref when "2 0 0" DANE trust-anchors
from DNS are configured via SSL_dane_tlsa_add() and X509_STORE_CTX_init()
is called with a NULL stack of untrusted certificates.
Since ssl_verify_cert_chain() always provideds a non-NULL stack of
untrusted certs, and no other code path enables DANE, the problem
can only happen in applications that use SSL_CTX_set_cert_verify_callback()
to implement their own wrappers around X509_verify_cert() passing
only the leaf certificate to the latter.
Regardless of the "improbability" of the problem, we do need to
ensure that build_chain() handles this case correctly.
Reviewed-by: Matt Caswell <matt@openssl.org>
The diverse {RSA,DSA,DH}_set0_* functions are made to allow some
parameters to be NULL IF the corresponding numbers in the given key
structure have already been previously initialised. Specifically,
this allows the addition of private components to be added to a key
that already has the public half, approximately like this:
RSA_get0_key(rsa, NULL, &e, NULL);
RSA_get0_factors(rsa, &p, &q);
/* calculate new d */
RSA_set0_key(rsa, NULL, NULL, d);
Reviewed-by: Matt Caswell <matt@openssl.org>
Add X509_STORE_{set,get}_ex_data() function and
X509_STORE_get_ex_new_index() macro.
X509_STORE has ex_data and the documentation also mentions them but they
are not actually implemented.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
The variables in the BIO weren't being duplicated properly.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Passing the -stdin arg to the passwd command line app *and* supply a
password on the command line causes a seg fault.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Commit d32f5d8733 added a 'goto end;' statement
at the end of the code block for the 'end' label. Fortunately, it was after a
return statement, so no infinite loop occurred, but it is still dead code.
Remove the extra goto statement as cleanup.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Add X509_STORE_{set,get}_ex_data() function and
X509_STORE_get_ex_new_index() macro.
X509_STORE has ex_data and the documentation also mentions them but they
are not actually implemented.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
The i2d_X509() function can return a negative value on error. Therefore
we should make sure we check it.
Issue reported by Yuan Jochen Kang.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
It was added as part of 2df84dd329
but has never actually been used for anything; presumably it was
a typo for one of SCTP or CT.
This removes the last '??' entry from INSTALL.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Commit d064e6ab52 removed all the
OPENSSL_NO_SHA guards, but commit
a50ad1daaa regenerated some due to the
sha entries in the %md_disabler table in apps/progs.pl.
Update %md_disabler to reflect that sha is not disableable, and
remove OPENSSL_NO_SHA for good.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Even though no test could be found to trigger this, paper-n-pencil
estimate suggests that x86 and ARM inner loop lazy reductions can
loose a bit in H4>>*5+H0 step.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
In the case of generating a file like this:
GENERATE[foo.S]=mkfoo.pl arg1 arg2
the 'mkfoo.pl' generator itself might need to include other files,
such as perl modules within our source tree. We can reuse already
existing syntax for it, like this:
INCLUDE[mkfoo.pl]=module/path
or:
DEPEND[mkfoo.pl]=modules/mymodule.pm
This change implements the support for such constructs, and for the
DEPEND statement, for any value that indicates a perl module (.pm
file), it will automatically infer an INCLUDE statement for its
directory, just like it does for C header files, so you won't have do
write this:
DEPEND[mkfoo.pl]=modules/mymodule.pm
INCLUDE[mkfoo.pl]=modules
Reviewed-by: Emilia Käsper <emilia@openssl.org>
IBM argues that in certain scenarios capability query is really
expensive. At the same time it's asserted that query results can
be safely cached, because disabling CPACF is incompatible with
reboot-free operation.
Reviewed-by: Tim Hudson <tjh@openssl.org>
Fix a bug introduced by 6903e2e7e9 (Extended EC_METHOD customisation
support., 2016-02-01). key->meth->set_private() is wrongly called where
it should call key->group->meth->set_private().
PR#4517
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>
Bad ASN.1 data should never be able to trigger a malloc failure so return
an error in d2i_test if a malloc failure occurs.
Reviewed-by: Richard Levitte <levitte@openssl.org>
If the ASN.1 BIO is presented with a large length field read it in
chunks of increasing size checking for EOF on each read. This prevents
small files allocating excessive amounts of data.
CVE-2016-2109
Thanks to Brian Carpenter for reporting this issue.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
The reason to warn is that configuration *may* pick up on
configuration header files that are in the source tree, that might be
for a wildly different configuration than what is expected in the
current out-of-source configuration.
Reviewed-by: Matt Caswell <matt@openssl.org>
It is up to the caller of SSL_dane_tlsa_add() to take appropriate
action when no records are added successfully or adding some records
triggers an internal error (negative return value).
With this change the caller can continue with PKIX if desired when
none of the TLSA records are usable, or take some appropriate action
if DANE is required.
Also fixed the internal ssl_dane_dup() function to properly initialize
the TLSA RR stack in the target SSL handle. Errors in ssl_dane_dup()
are no longer ignored.
Reviewed-by: Rich Salz <rsalz@openssl.org>
If we fail halfway through constructing the peer_tmp EVP_PKEY but we have
already stored it in s->s3->peer_tmp then if anything tries to use it then
it will likely fail. This was causing s_client to core dump in the
sslskewith0p test. s_client was trying to print out the connection
parameters that it had negotiated so far. Arguably s_client should not do
that if the connection has failed...but given it is existing functionality
it's easier to fix libssl.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Using ASN1_ITEM tables in d2i_test: this then uses consistent names and
makes it easier to extend.
Add bio, reencode and compare tests.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
The no-dsa option was failing on Windows because some symbols were not
correctly flagged in libcrypto.num. Problem found due to the new symbol
consistency test.
Reviewed-by: Richard Levitte <levitte@openssl.org>
no-cmac was failing on Windows/VMS due to libcrypto.num not marking the
CMAC functions properly. Found due to the new symbol consistency test.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Our main development platforms are of the Unix family, which doesn't
have the same strictness regarding a shared library being consistent
with the contents of the ld script (.map file, on Linux and Solaris)
as Windows is with the contents of the .def file or VMS is with the
linker symb_vector option.
To eliminate surprises, we therefore need to make sure to check that
the contents of the .map file is matched with the shared library, at
least to check that the shared library isn't missing any symbols that
should be present.
This test isn't absolutely perfect, as it will only check the symbols
that would be present on Linux / Solaris and will therefore miss those
that would only appear on Windows or VMS. On the other hand, those
platform specific are few and far apart in time, so it's not likely
they will pose a problem.
Reviewed-by: Matt Caswell <matt@openssl.org>
If allocation in CRYPTO_clear_realloc() fails don't free up the original
buffer: this is consistent with the behaviour of realloc(3) and is expected
in other places in OpenSSL.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
