Fix memory leaks in 'goto err' cases.

'OpenSSL_1_0_2-stable'.

the old code came from SSLeay days before TLS was even supported.

PR: 2435,2440

continue with symmetric decryption process to avoid leaking timing
information to an attacker.

Thanks to Ivan Nestlerode <inestlerode@us.ibm.com> for discovering
this issue. (CVE-2012-0884)

Submitted by: Dmitry Belyavsky <beldmit@gmail.com>

CMS support for ccgost engine

Add more extension names in s_cb.c extension printing code.

Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix DTLS timeout handling.

Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Reduce MTU after failed transmissions.

Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix possible DTLS timer deadlock.

Reported by: Dmitry Belyavsky <beldmit@gmail.com>

Fix memory leak if invalid GOST MAC key given.

Reported by: Dmitry Belyavsky <beldmit@gmail.com>

If resigning with detached content in CMS just copy data across.

Thanks to Ivan Nestlerode <inestlerode@us.ibm.com> for reporting this bug.

Reported by: Remi Gacogne <rgacogne-bugs@coredump.fr>

Preserve unused bits value in non-canonicalised ASN1_STRING structures
by using ASN1_STRING_copy which preseves flags.

Submitted by: Remi Gacogne <rgacogne-bugs@coredump.fr>

Fix double free in PKCS12_parse if we run out of memory.

Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix padding bugs in Heartbeat support.

Make cryptodev digests work. Thanks to Nikos Mavrogiannopoulos for
this fix.

Thanks to Ivan Nestlerode <inestlerode@us.ibm.com> for reporting this bug.

see corresponding commit to HEAD for details.

Submitted by: Arpadffy Zoltan <Zoltan.Arpadffy@scientificgames.se>

VMS fixes: disable SCTP by default.

Submitted by: Tomas Mraz <tmraz@redhat.com>

Tolerate bad MIME headers in parser.