Includes addition of the various options to s_server/s_client. Also adds
one of the new TLS1.3 ciphersuites.

This isn't "real" TLS1.3!! It's identical to TLS1.2 apart from the protocol
and the ciphersuite...and the ciphersuite is just a renamed TLS1.2 one (not
a "real" TLS1.3 ciphersuite).
Reviewed-by: NRich Salz <rsalz@openssl.org>

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

Forks will have to define their own
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1821)

For convenience, combine getting a new ref for the new SSL_CTX
with assigning the store and freeing the old one.
Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1755)

Reviewed-by: NKurt Roeckx <kurt@roeckx.be>
Reviewed-by: NRich Salz <rsalz@openssl.org>

GH: #1788

Reviewed-by: NRichard Levitte <levitte@openssl.org>
Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1625)

This reverts commit ca1574ce.
Not suitabled for a minor release as it breaks the ABI.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Reviewed-by: NAndy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1802)

Fixes #1781
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1813)

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

Reviewed-by: NTim Hudson <tjh@openssl.org>
Reviewed-by: NMatt Caswell <matt@openssl.org>

VC-noCE-common and VC-WIN64-common were missing this line:

        template         => 1,

Fixes GH#1809
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1811)

After the recent reworking, not everything matched up, and some
comments didn't catch up to the outl-->dlen and inl-->dlen renames
that happened during the development of the recent patches.

Try to make parameter names consistent across header, implementation,
and manual pages.

Also remove some trailing whitespace that was inadvertently introduced.
Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1798)

Make it clear that the OPENSSL_LOCAL_CONFIG_DIR settings take
precedence over the in-tree configs.
Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1798)

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

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

Rename some parameters; add some error codes; fix a comment; etc
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Make sure the return value isn't bigger than the buffer len
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Based on feedback received.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Rename some parameters.
Also change handling of buffer sizes >INT_MAX in length.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

They should return 0 for a failure (retryable or not), and 1 for a success.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

In converting a new style BIO_read() call into an old one, read
as much data as we can (INT_MAX), if the size of the buffer is
>INT_MAX.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

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

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

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

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

Also extend BIO_METHOD to be able to supply an implementation for the new
BIO_write_ex function.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Also extend BIO_METHOD to be able to supply an implementation for the new
BIO_read function.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Providing a spkac file with no default section causes a double free.

Thanks to Brian Carpenter for reporting this issue.
Reviewed-by: NKurt Roeckx <kurt@openssl.org>

A BIO_read() 0 return indicates that a failure occurred that may be
retryable. An SSL_read() 0 return indicates a non-retryable failure. Check
that if BIO_read() returns 0, SSL_read() returns <0. Same for SSL_write().

The asyncio test filter BIO already returns 0 on a retryable failure so we
build on that.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

A zero return from BIO_read()/BIO_write() could mean that an IO operation
is retryable. A zero return from SSL_read()/SSL_write() means that the
connection has been closed down (either cleanly or not). Therefore we
should not propagate a zero return value from BIO_read()/BIO_write() back
up the stack to SSL_read()/SSL_write(). This could result in a retryable
failure being treated as fatal.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

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

Move manpages to manX directories
Add Windows/VMS install fix from Richard Levitte
Update README
Fix typo's
Remove some duplicates
Reviewed-by: NRichard Levitte <levitte@openssl.org>

The current version of the VMS compiler provides C99 features,
strictly language wise.  Unfortunately, even the most recent standard
library isn't fully updated for that standard, so we need to use an
earlier standard that the compiler supports.

Most importantly, this affects the __STDC_VERSION__ value, which the
compiler unfortunately currently defaults to 199901L.  With this
change we won't have to give VMS special treatment when looking for
features based on that macro.
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1785)

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

Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1767)

This is overdue since the addition of the unified build system
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1767)

[And remove FPU mutiplication subroutine.]
Reviewed-by: NRich Salz <rsalz@openssl.org>

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

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