Richard Levitte [Thu, 22 Oct 2015 15:09:14 +0000 (17:09 +0200)]
Add an explicit list of options that can be disabled, enabled, ...
Configure has, so far, had no control at all of which 'no-' options it
can be given. This means that, for example, someone could configure
with something absurd like 'no-stack' and then watch the build crumble
to dust... or file a bug report.
This introduces some sanity into the possible choices.
The added list comes from looking for the explicit ones used in
Configure, and from grepping after OPENSSL_NO_ in all source files.
Richard Levitte [Mon, 19 Oct 2015 02:20:01 +0000 (04:20 +0200)]
Handle CT error macros separately
Because the default error macro generator assumes the header file with
error macros is in include/openssl and therefore generates a C file
with error texts that include <openssl/{name}.h>, we need to generate
the error macros and texts for CT separately, since the CT module
doesn't follow the default criteria.
Matt Caswell [Wed, 21 Oct 2015 13:40:15 +0000 (14:40 +0100)]
Don't use SSLv23_server_method in an example
The function SSLv23_server_method() is an old name. New code should use
TLS_server_method() instead. Therefore don't use SSLv23_server_method() in
an example in the docs.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Matt Caswell [Wed, 21 Oct 2015 09:00:24 +0000 (10:00 +0100)]
Avoid undefined behaviour in PACKET_buf_init
Change the sanity check in PACKET_buf_init to check for excessive length
buffers, which should catch the interesting cases where len has been cast
from a negative value whilst avoiding any undefined behaviour.
RT#4094
Reviewed-by: Richard Levitte <levitte@openssl.org>
Matt Caswell [Tue, 13 Oct 2015 14:02:47 +0000 (15:02 +0100)]
Remove Obsolete engines
There are a number of engines in the OpenSSL source code which are now
obsolete. The following engines have been removed: 4758cca, aep, atalla,
cswift, nuron, sureware.
RFC5753 requires that we omit parameters for AES key wrap and set them
to NULL for 3DES wrap. OpenSSL decrypt uses the received algorithm
parameters so can transparently handle either form.
Matt Caswell [Mon, 12 Oct 2015 11:40:15 +0000 (12:40 +0100)]
Centralise loading default apps config file
Loading the config file after processing command line options can
cause problems, e.g. where an engine provides new ciphers/digests
these are not then recoginised on the command line. Move the
default config file loading to before the command line option
processing. Whilst we're doing this we might as well centralise
this instead of doing it individually for each application. Finally
if we do it before the OpenSSL_add_ssl_algorithms() call then
ciphersuites provided by an engine (e.g. GOST) can be available to
the apps.
RT#4085
RT#4086
Reviewed-by: Richard Levitte <levitte@openssl.org>
Emilia Kasper [Tue, 6 Oct 2015 15:20:32 +0000 (17:20 +0200)]
DTLS: remove unused cookie field
Note that this commit constifies a user callback parameter and therefore
will break compilation for applications using this callback. But unless
they are abusing write access to the buffer, the fix is trivial.
Matt Caswell [Thu, 8 Oct 2015 12:36:10 +0000 (13:36 +0100)]
Don't treat a bare OCTETSTRING as DigestInfo in int_rsa_verify
The function int_rsa_verify is an internal function used for verifying an
RSA signature. It takes an argument |dtype| which indicates the digest type
that was used. Dependant on that digest type the processing of the
signature data will vary. In particular if |dtype == NID_mdc2| and the
signature data is a bare OCTETSTRING then it is treated differently to the
default case where the signature data is treated as a DigestInfo (X509_SIG).
Due to a missing "else" keyword the logic actually correctly processes the
OCTETSTRING format signature first, and then attempts to continue and
process it as DigestInfo. This will invariably fail because we already know
that it is a bare OCTETSTRING.
This failure doesn't actualy make a real difference because it ends up at
the |err| label regardless and still returns a "success" result. This patch
just cleans things up to make it look a bit more sane.
RT#4076
Reviewed-by: Richard Levitte <levitte@openssl.org>
Matt Caswell [Wed, 7 Oct 2015 14:20:47 +0000 (15:20 +0100)]
Don't advance PACKET in ssl_check_for_safari
The function ssl_check_for_safari fingerprints the incoming extensions
to see whether it is one of the broken versions of safari. However it was
failing to reset the PACKET back to the same position it started in, hence
causing some extensions to be skipped incorrectly.
-Allow mingw debug builds to fail on Travis CI
-Fix Travis email notifications config
-Rename a variable to avoid a bogus warning with old GCC
error: declaration of ``dup'' shadows a global declaration [-Werror=shadow]
-Disable pedantic ms-format warnings with mingw
-Properly define const DH parameters
-Restore --debug flag in Travis CI builds; -d would get incorrectly passed
to ./Configure in mingw debug builds.
Signed-off-by: Rich Salz <rsalz@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org>
Move all packet parsing to the beginning of the method. This limits the
SSLv2 compatibility soup to the parsing, and makes the rest of the
processing uniform.
This is also needed for simpler EMS support: EMS servers need to do an
early scan for EMS to make resumption decisions. This'll be easier when
the entire ClientHello is parsed in the beginning.
As a side effect,
1) PACKETize ssl_get_prev_session and tls1_process_ticket; and
2) Delete dead code for SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG.
Richard Levitte [Sun, 4 Oct 2015 19:12:03 +0000 (21:12 +0200)]
Fix make depend for things being built in subdirectories
Some makedepend mechanisms remove all directory information in the
target, so a dependency can looks like this:
ssl3_record.o: record/ssl3_record.c
However, that doesn't quite suit us, our Makefile has us build
record/ssl3_record.o rather than ssl3_record.o.
To clear this up, a change to util/clean-depend.pl takes care of this
case by looking up the original file in the dependencies and restoring
the directory information from it.
Andy Polyakov [Wed, 30 Sep 2015 08:15:03 +0000 (10:15 +0200)]
Explicitly cast INVALID_SOCKET to (int) to address warnings on Windows.
Even though SOCKET is effectively declared as (void *) on Windows, it's
not actually a pointer, but an index within per-process table of
kernel objects. The table size is actually limited and its upper limit
is far below upper limit for signed 32-bit integer. This is what makes
cast in question possible.
Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Tim Hudson <tjh@openssl.org>
When a decoding error in ASN.1 occurs only free up the partial structure
at the top level. This simplifies embedded handling and fixes freeing
up of structures when presented with malformed input.
Matt Caswell [Tue, 29 Sep 2015 10:14:35 +0000 (11:14 +0100)]
Change the DEFAULT ciphersuites to exclude DES, RC4 and RC2
This patch updates the "DEFAULT" cipherstring to be
"ALL:!COMPLEMENTOFDEFAULT:!eNULL". COMPLEMENTOFDEFAULT is now defined
internally by a flag on each ciphersuite indicating whether it should be
excluded from DEFAULT or not. This gives us control at an individual
ciphersuite level as to exactly what is in DEFAULT and what is not.
Finally all DES, RC4 and RC2 ciphersuites are added to COMPLEMENTOFDEFAULT
and hence removed from DEFAULT.
Looks like someone forgot to do a "make update" since crypto/ts/Makefile
keeps changing. So include that.
Second is that the declare_dh_bn macro fools the libeay.num script.
The declarations are only needed in one file (dh_rfc5114) so remove
them from the header and put the "raw" declarations directly into that
file.
Reviewed-by: Richard Levitte <levitte@openssl.org>