Add DTLS replay protection test

Injects a record from epoch 1 during epoch 0 handshake, with a record
sequence number in the future, to test that the record replay protection
feature works as expected. This is described more fully in the next commit.

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

Fix DTLS unprocessed records bug

During a DTLS handshake we may get records destined for the next epoch
arrive before we have processed the CCS. In that case we can't decrypt or
verify the record yet, so we buffer it for later use. When we do receive
the CCS we work through the queue of unprocessed records and process them.

Unfortunately the act of processing wipes out any existing packet data
that we were still working through. This includes any records from the new
epoch that were in the same packet as the CCS. We should only process the
buffered records if we've not got any data left.

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

Add a DTLS unprocesed records test

Add a test to inject a record from the next epoch during the handshake and
make sure it doesn't get processed immediately.

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

Split create_ssl_connection()

Split the create_ssl_connection() helper function into two steps: one to
create the SSL objects, and one to actually create the connection. This
provides the ability to make changes to the SSL object before the
connection is actually made.

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

Add a DTLS packet mem BIO

This adds a BIO similar to a normal mem BIO but with datagram awareness.
It also has the capability to inject additional packets at arbitrary
locations into the BIO, for testing purposes.

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

Add a (D)TLS dumper BIO

Dump out the records passed over the BIO. Only works for DTLS at the
moment but could easily be extended to TLS.

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

Add more details on how to add a new SSL test

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

make update

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

Add X509_get0_serialNumber() and constify OCSP_cert_to_id()

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

constify X509_REQ_get0_signature()

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

constify i2o_ECPublicKey

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

Sort %disabled in Configure

@disablables is sorted, but these were just added at the end of
%disabled in commits c2e27310 and 22e3dcb7.

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

Fix missing dane_tlsa_rrdata option error message

The error message said "dane_tlsa_rrset" instead of "dane_tlsa_rrdata".

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

Constify i2a*

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

Simplify indentation of DECLARE_ and IMPLEMENT_ lines

There's no reason we should enumerate every type of IMPLEMENT_ and
DECLARE_ line (and forget the ones we add a little now and then).
They all start with the same first word, let's just take'm all.

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

Indent ssl/

Run util/openssl-format-source on ssl/

Some comments and hand-formatted tables were fixed up
manually by disabling auto-formatting.

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

Convert X509_REVOKED* functions to use const getters

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

Test that the peers send at most one fatal alert

Duplicate alerts have happened, see
70c22888c1648fe8652e77107f3c74bf2212de36

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

Port multi-buffer tests

Make maximum fragment length configurable and add various fragmentation
tests, in addition to the existing multi-buffer tests.

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

Fix some doc nits.

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

Don't try to init dasync internally

Since dasync isn't installed, and is only ever used as a dynamic
engine, there's no reason to consider it for initialization when
building static engines.

Reviewed-by: Ben Laurie <ben@openssl.org>

make update

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

Constify X509_SIG.

Constify X509_SIG_get0() and order arguments to mactch new standard.

Add X509_SIG_get0_mutable() to support modification or initialisation
of an X509_SIG structure.

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

Small nits and cleanups

using util/openssl-format-source on s_derver, s_client, ca.c, speed.c only...

Fix/merge some #ifndef

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

Constify char* input parameters in apps code

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

Simplify and add help about OPT_PVK* options

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

Improve error message

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

Relocalise some globals variables

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

Constify ssl_cert_type()

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

Constify X509_certificate_type()

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

Constify X509_get0_signature()

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

Convert X509* functions to use const getters

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

Convert X509_CRL* functions to use const getters

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

Make X509_NAME_get0_der() conform to OpenSSL style

Put the main object first in the params list.

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

Corrupt signature in place.

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

Convert OCSP* functions to use const getters

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

Constify private key decode.

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

constify X509_ALGOR_get0()

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

Constify ASN1_item_unpack().

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

Add missing session id and tlsext_status accessors

 * SSL_SESSION_set1_id()
 * SSL_SESSION_get0_id_context()
 * SSL_CTX_get_tlsext_status_cb()
 * SSL_CTX_get_tlsext_status_arg()

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

dasync is an internal testing engine, so don't install it

Unfortunately, it means that the VMS IVP gets a bit crippled.  This
will be fixed later on.

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

VMS: no ENDIF on one line IF statements, in config.com

Correct small error from last config.com change

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

Convert SSL_SESSION* functions to use const getters

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>

Convert PKCS8* functions to use const getters

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>

Convert TS_STATUS_INFO* functions to use const getters

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>

two typo fixes

Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1461)

Fix compilation when using MASM on x86

The generated asm code from x86cpuid.pl contains CMOVE instructions
which are only available on i686 and later CPUs.

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1459)

Provide compat macros for SSL_CTX_set_ecdh_auto() and SSL_set_ecdh_auto()

These functions are no longer relevant to 1.1.0 (we always have auto ecdh
on) - but no reason to break old code that tries to call it. The macros will
only return a dummy "success" result if the app was trying to enable ecdh.
Disabling can't be done in quite this way any more.

Fixes Github Issue #1437

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>

Ensure we unpad in constant time for read pipelining

The read pipelining code broke constant time unpadding. See GitHub
issue #1438

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

Corrupt signature earlier.

If -badsig is selected corrupt the signature before printing out
any details so the output reflects the modified signature.

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

make update

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

Add ASN1_STRING_get0_data(), deprecate ASN1_STRING_data().

Deprecate the function ASN1_STRING_data() and replace with a new function
ASN1_STRING_get0_data() which returns a constant pointer. Update library
to use new function.

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

Remove duplicate ordinals

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

ARMv8 assembly pack: add Samsung Mongoose results.

Reviewed-by: Tim Hudson <tjh@openssl.org>

Configure: recognize -static as link option and disable incompatible options.

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

test/ssl_test.tmpl: make it work with elderly perl.

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

Fix satsub64be() to unconditionally use 64-bit integers

Now we support (u)int64_t this can be very much simpler.

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

SSL tests: send some application data

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

Add a "config" for verbosity and use it with Travis

Modify VMS config.com to match

Reviewed-by: Emilia Käsper <emilia@openssl.org>

Make "make" less verbose in Travis, except for the build only case

Reviewed-by: Emilia Käsper <emilia@openssl.org>

Limit reads in do_b2i_bio()

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>

Check for errors in a2d_ASN1_OBJECT()

Check for error return in BN_div_word().

Reviewed-by: Tim Hudson <tjh@openssl.org>

Check for errors in BN_bn2dec()

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>

Avoid truncating the pointer on x32 platform.

The 64 bit pointer must not be cast to 32bit unsigned long on
x32 platform.

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

Add a comment for the added cast with explanation.

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

Fix af_alg engine failure on 32 bit architectures.

Add extra cast to unsigned long to avoid sign extension when
converting pointer to 64 bit data.

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

Remove a stray unneeded line in 70-test_sslrecords.t

Reviewed-by: Tim Hudson <tjh@openssl.org>

Address feedback on SSLv2 ClientHello processing

Reviewed-by: Tim Hudson <tjh@openssl.org>

Add some SSLv2 ClientHello tests

Test that we handle a TLS ClientHello in an SSLv2 record correctly.

Reviewed-by: Tim Hudson <tjh@openssl.org>

Send an alert if we get a non-initial record with the wrong version

If we receive a non-initial record but the version number isn't right then
we should send an alert.

Reviewed-by: Tim Hudson <tjh@openssl.org>

Address feedback on SSLv2 ClientHello processing

Feedback on the previous SSLv2 ClientHello processing fix was that it
breaks layering by reading init_num in the record layer. It also does not
detect if there was a previous non-fatal warning.

This is an alternative approach that directly tracks in the record layer
whether this is the first record.

GitHub Issue #1298

Reviewed-by: Tim Hudson <tjh@openssl.org>

Replaces CT_POLICY_EVAL_CTX_set0 entries with new setters in libcrypto.num

Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1408)

Make CT_POLICY_EVAL_CTX_set1_{cert,issuer} into boolean functions

They may fail if they cannot increment the reference count of the
certificate they are storing a pointer for. They should return 0 if this
occurs.

Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1408)

Improves CTLOG_STORE setters

Changes them to have clearer ownership semantics, as suggested in
https://github.com/openssl/openssl/pull/1372#discussion_r73232196.

Reviewed-by: Emilia Käsper <emilia@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1408)

Skip the SRP tests in 80-test_ssl_old.t if no TLS versions is enabled

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

Fix no-ec

Fix no-ec builds by having separate functions to create keys based on
an existing EVP_PKEY and a curve id.

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

Never return -1 from BN_exp

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1455)

update CHANGES

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

add documentation

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

Print out names of other temp key algorithms.

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

Remove old EC based X25519 code.

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

Modify TLS support for new X25519 API.

When handling ECDH check to see if the curve is "custom" (X25519 is
currently the only curve of this type) and instead of setting a curve
NID just allocate a key of appropriate type.

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

Add encoded points to other EC curves too.

Add encoded point ctrl support for other curves: this makes it possible
to handle X25519 and other EC curve point encoding in a similar way
for TLS.

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

make update

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

Add point ctrls to X25519

Add ctrl operations to set or retrieve encoded point in
EVP_PKEY structures containing X25519 keys.

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

Update X25519 key format in evptests.txt

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

Add X25519 methods to internal tables

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

add to build.info

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

make errors

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

X25519 public key methods

Add X25519 methods to match current key format defined in
draft-ietf-curdle-pkix-02

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

Fix type of ptr field.

Since "ptr" is used to handle arbitrary other types it should be
void *.

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

Use OIDs from draft-ietf-curdle-pkix-02

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

GH1446: Add SSL_SESSION_get0_cipher

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1451)

Check for bad filename in evp_test

Thanks to Brian Carpter for reporting this.

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

Update documentation for DSA_SIG and ECDSA_SIG.

RT#4590

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

crypto/sparcv9cap.c: add missing declaration.

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

crypto/ui/ui_openssl.c: let new-line through after query in Windows path.

Originally new-line was suppressed, because double new-line was
observed under wine. But it appears rather to be a wine bug,
because on real Windows new-line is much needed.

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

crypto/sparcv9cap.c: fix overstep in getisax.

Problem was introduced in 299ccadcdb99001c618d188fb243c1caaaa86a1c
as future extension, i.e. at this point it wasn't an actual problem,
because uninitialized capability bit was not actually used.

Reviewed-by: Tim Hudson <tjh@openssl.org>

sha/asm/sha1-x86_64.pl: fix crash in SHAEXT code on Windows.

RT#4530

Reviewed-by: Tim Hudson <tjh@openssl.org>

Fix doc and help about ca -valid option

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