Dead code cleanup: crypto/*.c, x509v3, demos

Some of the #if 0 code in demo's was kept, but given helpful #ifdef
names, to show more sample code.

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

cms-test.pl: "localize" /dev/null even further [as follow-up to VMS].

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

Make the libssl opaque changes compile on VMS

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

Add changes entry for opaquifying of libssl structures

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

Remove OPENSSL_NO_SSL_INTERN as it is now redundant - all internals
previously protected by this have been moved into non-public headers

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

Make libssl opaque. Move all structures that were previously protected by
OPENSSL_NO_SSL_INTERN into internal header files.

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

Build correctly for me on FreeBSD 10.

Reviewed-by: Rich Salz
Don't debug.

Dead code removal: #if 0 asn1, pkcs7

Keep one #if 0 but rename the symbol to be more descriptive of what
it's doing (you can disable support for old broken Netscape software).

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

Dead code clean: #if 0 removal in apps

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

Dead code removal #if 0 engines

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

Dead code removal: #if 0 conf, dso, pqueue, threads

Mostly, but not completely, debugging print statements.
Some old logic kept for internal documentation reasons, perhaps.

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

modes/gcm128.c: harmonize ctx->ghash assignment, shortcut *_ctr32
in OPENSSL_SMALL_FOOTPRINT build, remove undesired reformat artefact
and inconsistency in pre-processor logic.

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

modes/gcm128.c: fix OPENSSL_SMALL_FOOTPRINT compile failure
on affected platforms (PowerPC and AArch64).

For reference, minimalistic #ifdef GHASH is sufficient, because
it's never defined with OPENSSL_SMALL_FOOTPRINT and ctx->ghash
is never referred.

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

Since SHA0 was completely removed, also remove the related test

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

Update on the use of logical names for OpenSSL configuration

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

VMS exit codes weren't handled well enough and were unclear

Making a specific variable $failure_code and a bit of commenting in the
VMS section should help clear things up.

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

VMS adjustments:

Add missing crypto modules and files to copy to crypto/install-crypto.com

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

VMS adjustments:

test/cms-test.pl adjusted to handle NL: instead of /dev/null on VMS

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

VMS build changes

crypto/crypto-lib.com:
 Remove all APPS building, as they are gone.
 Depend on the variable SDIRS that's defined by makevms.com.
 Remake the whole partial module list mechanism to check for variables with a counter.
 Define the logical name INTERNAL to allow for '#include "internal/foo.h"'.

makevms.com:
 Define SDIRS, to allow for removal of crypto modules and pass that information to crypto/crypto-lib.com.
 Allow for experimental modules.
 Update the allowed things to disable.
 Update the things disabled by default to match Configure.
 Update headers to be copied.

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

VMS adjustments:

catch up with the Unix build.
A number of new tests, among others test/tocsp.com
Define INTERNAL in ssl/ssl-lib.com to allow for '#include "internal/foo.h"'

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

VMS adjustments:

Add new symbols that are longer than 31 chars to symhacks.
VMS doesn't have <sys/un.h>, reflect that in e_os.h.
MS_CALLBACK has been removed, ssl_task.c needs adjustment.

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

dso_vms needs to add the .EXE extension if there is none already

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

Dead code removal: #if 0 bio, comp, rand

The start of removing dead code.
A remaining #if 0 in bss_conn.c needs more thought.

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

Make output consistency: remove blank line

When you use "-s" in the make flag, you see that engines outputs
a blank line because EDIRS isn't set.  This is a debug echo that
isn't needed.

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

clang on Linux x86_64 complains about unreachable code.

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

Fix various windows compilation issues

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

Fix int/unsigned compiler complaint

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

Remove support for opaque-prf

An expired IETF Internet-Draft (seven years old) that nobody
implements, and probably just as good as NSA DRBG work.

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

Add missing declaration for lh_node_usage_stats

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

Rename index to idx to avoid symbol conflicts.

Picky compilers with old index() string functions.
Reviewed-by: Matt Caswell <matt@openssl.org>

Finish removal of DSS

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

Fix warning on some compilers where variable index shadows a global
declaration

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

Fix no-ocb for Windows

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

Rationalise testing of AEAD modes

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

Harmonise use of EVP_CTRL_GET_TAG/EVP_CTRL_SET_TAG/EVP_CTRL_SET_IVLEN

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

Replace EVP_CTRL_OCB_SET_TAGLEN with EVP_CTRL_SET_TAG for consistency with
CCM

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

Dead code removal: Fortezza identifiers

Not interested in helping the NSA in the slightest.
And anyway, it was never implemented, #if'd out.

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

"#if 0" removal: header files

Remove all "#if 0" blocks from header files.

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

OPENSSL_NO_XXX cleanup: OPENSSL_NO_BUF_FREELISTS

Remove OPENSSL_NO_BUF_FREELISTS. This was turned on by default,
so the work here is removing the 'maintain our own freelist' code.
Also removed a minor old Windows-multibyte/widechar conversion flag.

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

OPENSSL_NO_XXX cleanup: NO_TLS, NO_TLS1

TLS and TLS1 are no longer optional.

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

OPENSSL_NO_xxx cleanup: SHA

Remove support for SHA0 and DSS0 (they were broken), and remove
the ability to attempt to build without SHA (it didn't work).
For simplicity, remove the option of not building various SHA algorithms;
you could argue that SHA_224/256/384/512 should be kept, since they're
like crypto algorithms, but I decided to go the other way.
So these options are gone:
GENUINE_DSA         OPENSSL_NO_SHA0
OPENSSL_NO_SHA      OPENSSL_NO_SHA1
OPENSSL_NO_SHA224   OPENSSL_NO_SHA256
OPENSSL_NO_SHA384   OPENSSL_NO_SHA512

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

OPENSSL_NO_xxx cleanup: RFC3779

Remove OPENSSL_NO_RFCF3779.

Also, makevms.com was ignored by some of the other cleanups, so
I caught it up.  Sorry I ignored you, poor little VMS...

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

OPENSSL_NO_xxx cleanup: many removals

The following compile options (#ifdef's) are removed:
    OPENSSL_NO_BIO OPENSSL_NO_BUFFER OPENSSL_NO_CHAIN_VERIFY
    OPENSSL_NO_EVP OPENSSL_NO_FIPS_ERR OPENSSL_NO_HASH_COMP
    OPENSSL_NO_LHASH OPENSSL_NO_OBJECT OPENSSL_NO_SPEED OPENSSL_NO_STACK
    OPENSSL_NO_X509 OPENSSL_NO_X509_VERIFY

This diff is big because of updating the indents on preprocessor lines.

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

OPENSSL_NO_xxx cleanup:  DEC-CBCM removed

A DES algorithm mode, known attacks, no EVP support.
Flushed.

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

Provide documentation for all SSL(_CTX)?_(get|set)(_default)?_read_ahead
functions.

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

Remove explicit setting of read_ahead for DTLS. It never makes sense not to
use read_ahead with DTLS because it doesn't work. Therefore read_ahead needs
to be the default.

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

Make DTLS always act as if read_ahead is set. The actual value of read_ahead
is ignored for DTLS.

RT#3657

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

Configure: addendum to OPENSSL_NO_[RMD160|RIPEMD] harmonization.

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

des/asm/des_enc.m4: strip #ifdef OPENSSL_SYS_ULTRASPARC as part of
pre-processor controls cleanup. It doesn't mean that it no longer
works on UltraSPARC, only that it doesn't utilize sparcv9-specific
features like branch prediction hints and load in little-endian byte
order anymore. This "costs" ~3% in EDE3 performance regression on
UltraSPARC.

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

Remove obsolete support for old code.

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

Make OPENSSL_config truly ignore errors.

Per discussion: should not exit. Should not print to stderr.
Errors are ignored.  Updated doc to reflect that, and the fact
that this function is to be avoided.

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

undef cleanup: use memmove

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

Remove unused eng_rsax and related asm file

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

ifdef cleanup, part 4a: '#ifdef undef'

This removes all code surrounded by '#ifdef undef'
One case is left: memmove() replaced by open-coded for loop,
in crypto/stack/stack.c  That needs further review.

Also removed a couple of instances of /* dead code */ if I saw them
while doing the main removal.

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

Fix segfault with empty fields as last in the config.

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

Replace exit() with error return.

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

Keep disclaiming 16-bit support.

If you examine changes, you are likely to wonder "but what about ILP64,
elusive as they are, don't they fall victim to 16-bit rationalization?"
No, the case was modeled and verified to work.

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

ifdef cleanup part 3: OPENSSL_SYSNAME

Rename OPENSSL_SYSNAME_xxx to OPENSSL_SYS_xxx
Remove MS_STATIC; it's a relic from platforms <32 bits.

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

Add assembly support to ios64-cross.
Fix typos in ios64-cross config line.

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

ifdef cleanup, 2 remove OPENSSL_NO_SETVBUF_IONBF

Use setbuf(fp, NULL) instead of setvbuf().  This removes some
ifdef complexity because all of our platforms support setbuf.

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

Remove obsolete uncomiled dsagen semi-test

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

Cleanup old doc/*; remove CHANGES.SSLeay

Removed CHANGES.SSLeay

Udpate README to be current.

Updated fignerprints.txt to list only current release signers and
to explain that is what it's used for.

Removed the following:
c-indentation.el -- doesn't go with our coding style
openssl-shared.txt -- old info about shared library aides
openssl.txt -- old info about X509v3 extension support/syntax
ssleay.txt -- old info about OpenSSL's predecessor, back when
programmers coded on COBOL sheets by candlelight

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

Fix post-reformat errors preventing windows compilation

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

Fix formatting error in pem.h

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

Use inner algorithm when printing certificate.

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

Drop redundant and outdated __CYGWIN32__ tests.
Change OPENSSL_SYSNAME_CYGWIN32 to OPENSSL_SYSNAME_CYGWIN.
Drop outdated Cygwin targets.

RT#3605
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Reviewed-by: Tim Hudson <tjh@openssl.org>

Fix macosx-ppc build (and typos in unwind info).

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

sha256-armv4.pl: fix typo.

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

More comment realignment

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

Re-align some comments after running the reformat script.
This should be a one off operation (subsequent invokation of the
script should not move them)

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

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

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

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

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

More tweaks for comments due indent issues

Conflicts:
ssl/ssl_ciph.c
ssl/ssl_locl.h

Conflicts:
ssl/s2_srvr.c
ssl/ssl.h

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

Tweaks for comments due to indent's inability to handle them

Conflicts:
demos/tunala/tunala.h
engines/e_padlock.c
ssl/s2_clnt.c
ssl/s2_lib.c
ssl/s2_srvr.c
ssl/s3_srvr.c

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

Move more comments that confuse indent

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

Delete trailing whitespace from output.

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

Add -d debug option to save preprocessed files.

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

Test option -nc

Add option -nc which sets COMMENTS=true but disables all indent comment
reformatting options.

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

ec/ecp_nistz256.c: further harmonization with latest rules.

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

Add ecp_nistz256.c to list of files skipped by openssl-format-source

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

Manually reformat aes_x86core.c and add it to the list of files skipped by
openssl-format-source

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

crypto/ofb128.c: make it indent-friendly.

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

modes/ctr128.c: make it indent-friendly.

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

modes/cfb128.c: make it indent-friendly.

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

ec/ecp_nistz256.c: harmonize with latest indent script.

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

Fix indent comment corruption issue

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

Amend openssl-format-source so that it give more repeatable output

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

bn/bn_const.c: make it indent-friendly.

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

bn/asm/x86_64-gcc.cL make it indent-friendly.

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

bn/bn_asm.c: make it indent-friendly.

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

bn/bn_exp.c: make it indent-friendly.

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

Manually reformat aes_core.c
Add aes_core.c to the list of files not processed by openssl-format-source

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

Add obj_dat.h to the list of files that will not be processed by
openssl-format-source

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

Fix strange formatting by indent

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

modes/modes_lcl.h: make it indent-friendly.

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

indent has problems with comments that are on the right hand side of a line.
Sometimes it fails to format them very well, and sometimes it corrupts them!
This commit moves some particularly problematic ones.

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

modes/gcm128.c: make it indent-friendly.

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

modes/cts128.c: make it indent-friendly.

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

crypto/mem_dbg.c: make it indent-friendly.

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

More indent fixes for STACK_OF

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