Following the license change, modify the boilerplates in demos/

[skip ci]

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7834)

Demo style fixes and modernisation.

Address some style issues in the demos and modernise the C.
Fix the exit/return from main handling.

Reviewed-by: Andy Polyakov <appro@openssl

Demo style fixes and modernisation.

Address some style issues in the demos and modernise the C.
Fix the exit/return from main handling.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3914)

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Fixup BIO demos for OpenSSL 1.1.x

Note: server-cmod doesn't seem to do things right... from loading
cmod.cnf, it tries to load libssl_conf.so.

Reviewed-by: Rich Salz <rsalz@ope

Fixup BIO demos for OpenSSL 1.1.x

Note: server-cmod doesn't seem to do things right... from loading
cmod.cnf, it tries to load libssl_conf.so.

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

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Consolidate copyright for demos

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

Remove /* foo.c */ comments

This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1

Remove /* foo.c */ comments

This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1 && m@/\* .*\.[ch] \*/@;
close ARGV if eof; # Close file to reset $.

And then some hand-editing of other files.

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

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DANE support structures, constructructors and accessors

Also tweak some of the code in demos/bio, to enable interactive
testing of BIO_s_accept's use of SSL_dup. Changed the sconnect

DANE support structures, constructructors and accessors

Also tweak some of the code in demos/bio, to enable interactive
testing of BIO_s_accept's use of SSL_dup. Changed the sconnect
client to authenticate the server, which now exercises the new
SSL_set1_host() function.

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

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Server side version negotiation rewrite

This commit changes the way that we do server side protocol version
negotiation. Previously we had a whole set of code that had an "up front"

Server side version negotiation rewrite

This commit changes the way that we do server side protocol version
negotiation. Previously we had a whole set of code that had an "up front"
state machine dedicated to the negotiating the protocol version. This adds
significant complexity to the state machine. Historically the justification
for doing this was the support of SSLv2 which works quite differently to
SSLv3+. However, we have now removed support for SSLv2 so there is little
reason to maintain this complexity.

The one slight difficulty is that, although we no longer support SSLv2, we
do still support an SSLv3+ ClientHello in an SSLv2 backward compatible
ClientHello format. This is generally only used by legacy clients. This
commit adds support within the SSLv3 code for these legacy format
ClientHellos.

Server side version negotiation now works in much the same was as DTLS,
i.e. we introduce the concept of TLS_ANY_VERSION. If s->version is set to
that then when a ClientHello is received it will work out the most
appropriate version to respond with. Also, SSLv23_method and
SSLv23_server_method have been replaced with TLS_method and
TLS_server_method respectively. The old SSLv23* names still exist as
macros pointing at the new name, although they are deprecated.

Subsequent commits will look at client side version negotiation, as well of
removal of the old s23* code.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>

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free NULL cleanup

This commit handles BIO_ACCEPT_free BIO_CB_FREE BIO_CONNECT_free
BIO_free BIO_free_all BIO_vfree

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

Run util/openssl-format-source -v -c .

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

More comments

Conflicts:
crypto/dsa/dsa_vrf.c
crypto/ec/ec2_smpl.c
crypto/ec/ecp_smpl.c

Conflicts:
demos/bio/saccept.c
ss

More comments

Conflicts:
crypto/dsa/dsa_vrf.c
crypto/ec/ec2_smpl.c
crypto/ec/ecp_smpl.c

Conflicts:
demos/bio/saccept.c
ssl/d1_clnt.c

Conflicts:
bugs/dggccbug.c
demos/tunala/cb.c

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

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Fix various typos.

remove redundant code from demo

Fix to build better with DJGPP.
PR: 338

Here's the description, submitted by Gisle Vanem <giva@bgnett.no>:

1. sock_init() renamed to ssl_sock_init() in ./apps/s_socket.c due

Fix to build better with DJGPP.
PR: 338

Here's the description, submitted by Gisle Vanem <giva@bgnett.no>:

1. sock_init() renamed to ssl_sock_init() in ./apps/s_socket.c due
to name-clash with Watt-32.

2. rand() renamed to Rand() in ./crypto/bn/divtest.c due to name-clash
with <stdlib.h>

3. Added calls to dbug_init()/sock_init() in some demo programs.

4. Changed cflags/lflags in configure. Watt-32 install root now taken
from $WATT_ROOT.

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Rename SSLeay_add_all_algorithms() et al to
OpenSSL_add_all_algorithms(). Move these into
separate files so they work properly.

Change #include filenames from <foo.h> to <openssl.h>.

Submitted by:
Reviewed by:
PR:

Import of old SSLeay release: SSLeay 0.9.0b

Import of old SSLeay release: SSLeay 0.8.1b