Enables the testing of DTLS code in 1.0.2

Reviewed-by: Richard Levitte <levitte@openssl.org>

- make the VMS version of RAND_poll() faster and more secure
- avoid pointer size warnings with setvbuf()

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>

Apply a limit to the maximum blob length which can be read in do_d2i_bio()
to avoid excessive allocation.

Thanks to Shi Lei for reporting this.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 66bcba14)

If an oversize BIGNUM is presented to BN_bn2dec() it can cause
BN_div_word() to fail and not reduce the value of 't' resulting
in OOB writes to the bn_data buffer and eventually crashing.

Fix by checking return value of BN_div_word() and checking writes
don't overflow buffer.

Thanks to Shi Lei for reporting this bug.

CVE-2016-2182

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 07bed46f)

Conflicts:
	crypto/bn/bn_print.c

Check for error return in BN_div_word().

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 8b9afbc0)

RT#4530

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 7123aa81)

Thanks to Hanno Böck for reporting this bug.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 39a43280)

Conflicts:
	crypto/pkcs12/p12_utl.c

Fix error path leaks in a2i_ASN1_STRING(), a2i_ASN1_INTEGER() and
a2i_ASN1_ENUMERATED().

Thanks to Shi Lei for reporting these issues.

Reviewed-by: Rich Salz <rsalz@openssl.org>

GH: #1322
(cherry picked from commit 5e3553c2

)

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>

Thanks to Shi Lei for reporting this bug.

Reviewed-by: Rich Salz <rsalz@openssl.org>

Thanks to Shi Lei for reporting this issue.

Reviewed-by: Rich Salz <rsalz@openssl.org>

Thanks to Shi Lei for reporting this issue.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 20fc103f)

Conflicts:
	include/openssl/ts.h

Because proxy certificates typically come without any CRL information,
trying to check revocation on them will fail.  Better not to try
checking such information for them at all.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 790555d6)

Use correct length in old ASN.1 indefinite length sequence decoder
(only used by SSL_SESSION).

This bug was discovered by Hanno Böck using libfuzzer.

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit e9f17097)

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 56f9953c)

Thanks to David Benjamin <davidben@google.com> for reporting this bug.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit e032117d)

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 976ef6ad)

Conflicts:
	crypto/evp/bio_enc.c

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit ee6ce5cc)

Conflicts:
	crypto/evp/bio_enc.c

If two CRLs are equivalent then use the one with a later lastUpdate field:
this will result in the newest CRL available being used.

RT#4615

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 626aa248)

RT#4511

Reviewed-by: Matt Caswell <matt@openssl.org>

TS_OBJ_print_bio() misuses OBJ_txt2obj: it should print the result
as a null terminated buffer. The length value returned is the total
length the complete text reprsentation would need not the amount of
data written.

CVE-2016-2180

Thanks to Shi Lei for reporting this bug.

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 0ed26acc)

RT#4603

Reviewed-by: Rich Salz <rsalz@openssl.org>

There are two failure cases for OCSP_request_add_id():
1. OCSP_ONEREQ_new() failure, where |cid| is not freed
2. sk_OCSP_ONEREQ_push() failure, where |cid| is freed

This changes makes the error behavior consistent, such that |cid| is
not freed when sk_OCSP_ONEREQ_push() fails. OpenSSL only takes
ownership of |cid| when the function succeeds.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1289)
(cherry picked from commit 415e7c48)

RT#4600

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 52eede5a)

Conflicts:
	ssl/s3_lib.c

RT#4610

Reviewed-by: Rich Salz <rsalz@openssl.org>

Extended alg_print() in pkcs12 utility to support PBES2 algorithms.

RT#4588

Reviewed-by: Rich Salz <rsalz@openssl.org>

If underlying type is boolean don't check field is NULL.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit ad72d9fd)

The ASN.1 BIGNUM type needs to be handled in a custom way as it is
not a generic ASN1_STRING type.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 3cea73a7)

Conflicts:
	crypto/asn1/x_bignum.c

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 28e90f69)

RT#4611

Reviewed-by: Stephen Henson <steve@openssl.org>
(cherry picked from commit b8a7bd83)

We shouldn't allow both "-tls1" and "-tls1_2", or "-tls1" and "-no_tls1_2".
The only time multiple flags are allowed is where they are all "-no_<prot>".

This fixes Github Issue #1268

Reviewed-by: Rich Salz <rsalz@openssl.org>

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1293)