Add a best effort test to check shared library consistency

Our main development platforms are of the Unix family, which doesn't
have the same strictness regarding a shared library being consistent
with the contents of the ld script (.map file, on Linux and Solaris)
as Windows is with the contents of the .def file or VMS is with the
linker symb_vector option.

To eliminate surprises, we therefore need to make sure to check that
the contents of the .map file is matched with the shared library, at
least to check that the shared library isn't missing any symbols that
should be present.

This test isn't absolutely perfect, as it will only check the symbols
that would be present on Linux / Solaris and will therefore miss those
that would only appear on Windows or VMS.  On the other hand, those
platform specific are few and far apart in time, so it's not likely
they will pose a problem.

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

Fix CRYPTO_clear_realloc() bug.

If allocation in CRYPTO_clear_realloc() fails don't free up the original
buffer: this is consistent with the behaviour of realloc(3) and is expected
in other places in OpenSSL.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>

Update the Configurations READMEs

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

Fix no-ocsp on Windows (and probably VMS)

The ocsp.h file did not have appropriate guards causing link failures on
Windows.

GH Issue 900

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

Remove some unneccessary assignments to argc

openssl.c and ts.c assign the value of opt_num_rest() to argc, but then
only use the value once.

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

Remove some unused argc assignments

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

Fix a missing return value check in v3_addr

All other instances of extract_min_max are checked for an error return,
except this one.

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

Add missing return value check in pkcs8 app

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

Add missing return value checks

Also correct the return value from the the "prime" application

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

Fix missing break in option parsing

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

Remove some dead code

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

Fix some code maintenance issues

Various instances of variables being written to, but then never read.

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

BIO socket connect failure was not handled correctly.
The state was always set to BIO_CONN_S_OK.

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

Fix missing IDEA renames (windows build)

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

Copyright consolidation script

With Richard Levitte.

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

Travis: _srcdist, not _srcdir

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

Fix no-ui on Windows

Ensure public functions have appropriate guards in header files.

GH Issue 899

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

Copyright consolidation; .pm and Configure

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

Update copyright; generated files.

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

Remove --classic build entirely

The Unix build was the last to retain the classic build scheme.  The
new unified scheme has matured enough, even though some details may
need polishing.

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

Fix no-sock on Windows

Link errors were occurring on Windows because the header files were not
correctly guarding some functions with OPENSSL_NO_SOCK

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

Include winsock2.h even if compiling no-sock

We need the struct timeval definition from winsock2.h even if we're not
going to call any socket functions.

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

Don't use select on Windows

Windows "select" only works for sockets so don't use it to wait for async.

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

Cascade no-dgram from no-sock in Configure not e_os.h

e_os.h was defining OPENSSL_NO_DGRAM if OPENSSL_NO_SOCK was defined.
This causes link problems on Windows because the generated .def files
still contain the DGRAM symbols even though they have not been compiled.

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

Fix no-dgram on Windows

Link errors were occurring on Windows because the header files were not
correctly guarding some functions with OPENSSL_NO_DGRAM

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

Copyright consolidation: perl files

Add copyright to most .pl files
This does NOT cover any .pl file that has other copyright in it.
Most of those are Andy's but some are public domain.
Fix typo's in some existing files.

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

Fix warnings installing pod files

Fixes some links in the pod files

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

Configurations: fix typo in 50-masm.conf.

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

evp/aes_aes.c: engage Fujitsu SPARC64 X AES support.

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

sparcv9cap.c: add Fujitsu SPARC64 X AES capability detection.

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

Add AES assembly module for Fujitsu SPARC64 X/X+.

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

Configuration: add unsupported masm target.

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

perlasm/x86_64-xlate.pl: make latest ml64 work.

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

poly1305/asm/poly1305-x86_64.pl: not all assemblers manage << in constants.

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

Typo, asoutflag -> perlasm_scheme

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

Only allow Microsoft assembler with no-asm on Windows

This also restores the possibility to have ml used with VC-WIN32 with
no-asm, which was lost during the mk1mf -> unified transition.

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

Build: Make 'test' depend on 'tests'

Because we have a directory 'test', the target 'test' may be confusing
to make.  However, if we make it depend on 'tests', which doesn't
exist, make should never fail to run the actions.

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

Prepare for 1.1.0-pre6-dev

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

Prepare for 1.1.0-pre5 release

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

Unsigned chars can't be negative

Fix a problem where an unsigned char was being checked to see if it was
negative.

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

Fix PKCS7 memory leak

Commit f0e0fd51f was a bit over-zealous in removing a call to
X509_STORE_CTX_cleanup(). The call in question was in a loop and was
required to cleanup resources used on each iteration of the loop. Removing
this resulted in a memory leak.

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

Make string_to_hex/hex_to_string public

Give the API new names, document it.

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

Rename some lowercase API's

Make OBJ_name_cmp internal
Rename idea_xxx to IDEA_xxx
Rename get_rfc_xxx to BN_get_rfc_xxx
Rename v3_addr and v3_asid functions to X509v3_...

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

NOTES files will contain more requirements, make that explicit

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

Haiku x86-64 doesn't need RC4_CHAR.

* add a comment about Haiku being built with no-asm.

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

Free methods on destroy.

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

Free engine on error.

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

Opacity.

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

Signed/unsigned compare.

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

Restore OCSP_basic_verify() error return semantics

Recently, OCSP_basic_verify() was changed to always return 0 on error,
when it would previously return 0 on error and < 0 on fatal error.
This restores the previous semantics back.

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

Remove declaration of function that isn't implemented

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

Add X509_STORE_CTX_set0_untrusted function.

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

Small OCSP fixup

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

Make many X509_xxx types opaque.

Make X509_OBJECT, X509_STORE_CTX, X509_STORE, X509_LOOKUP,
and X509_LOOKUP_METHOD opaque.
Remove unused X509_CERT_FILE_CTX

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

Don't use a default for --with-zlib-lib on Windows with option 'zlib'

To begin with, the default should have been the import library, not
the DLL itself.  However, we don't know what directory it's installed
in either way, so we may as well demand the full path from the user

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

ex_libs settings have to be added to, not overriden, on Windows too

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

Update Travis and Appveyor for change to shared by default

Update the Travis and Appveyor builds to explicitly state no-shared where
applicable.

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

Make "shared" builds the default

In most cases we expect that people will be using shared libraries not
static ones, therefore we make that the default.

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

Fix ex_data locks issue

Travis identified a problem with freeing the ex_data locks which wasn't
quite right in ff2344052. Trying to fix it identified a further problem:
the ex_data locks are cleaned up by OPENSSL_cleanup(), which is called
explicitly by CRYPTO_mem_leaks(), but then later the BIO passed to
CRYPTO_mem_leaks() is freed. An attempt is then made to use the ex_data
lock already freed.

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

Add Haiku support.

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

Fix installation on VMS for no-stdio and no-autoalginit

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

Fix installation for no-stdio and no-autoalginit

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

Fix no-stdio and no-autoalginit

no-stdio does not work with the apps. Since the tests also need the apps
it doesn't support that either. Therefore we disable building of both.

no-autoalginit is not compatible with the apps because it requires explicit
loading of the algorithms, and the apps don't do that. Therefore we disable
building the apps for this option. Similarly the tests depend on the apps
so we also disable the tests. Finally the whole point about no-autoalginit
is to avoid excessive executable sizes when doing static linking. Therefore
we disable "shared" if this option is selected.

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

The err_cleanup() funtion is internal so shouldn't be exported

Running a "make update" wanted to add err_cleanup to libcrypto.num which
is wrong.

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

Write POD page.

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

Add SSL_SESSION_get0_hostname()

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

Ensure all locks are properly cleaned up

Some locks were not being properly cleaned up during close down.

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

Fix the spelling of "implement".

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

Fix AFALG kernel and headers mismatch problem

During Configure we attempt to check the kernel version of this platform
to see whether we can compile the AFALG engine. If the kernel version
looks recent enough then we enable AFALG. However when we compile
e_afalg.c we check the version of the linux headers. If there is a
mismatch between the linux headers and the currently running kernel then
we don't compile the AFLAG engine and continue. This was causing a link
error.

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

Bugfix: in asn1parse avoid erroneous len after a sub-sequence

Introduced in:

    commit 79c7f74d6cefd5d32fa20e69195ad3de834ce065
    Author: Ben Laurie <ben@links.org>
    Date:   Tue Mar 29 19:37:57 2016 +0100

    Fix buffer overrun in ASN1_parse().

Problem input:

    https://tools.ietf.org/html/draft-ietf-curdle-pkix-eddsa-00#section-8.1
    -----BEGIN PUBLIC KEY-----
    MC0wCAYDK2VkCgECAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE=
    -----END PUBLIC KEY-----

Previously:

        0:d=0  hl=2 l=  45 cons: SEQUENCE
        2:d=1  hl=2 l=   8 cons: SEQUENCE
        4:d=2  hl=2 l=   3 prim: OBJECT            :1.3.101.100
        9:d=2  hl=2 l=   1 prim: ENUMERATED        :02
    Error in encoding
    140735164989440:error:0D07207B:asn1 encoding routines:ASN1_get_object:header too long:../openssl/crypto/asn1/asn1_lib.c:148:

Now:

    0:d=0  hl=2 l=  45 cons: SEQUENCE
    2:d=1  hl=2 l=   8 cons: SEQUENCE
    4:d=2  hl=2 l=   3 prim: OBJECT            :1.3.101.100
    9:d=2  hl=2 l=   1 prim: ENUMERATED        :02
   12:d=1  hl=2 l=  33 prim: BIT STRING
      0000 - 00 19 bf 44 09 69 84 cd-fe 85 41 ba c1 67 dc 3b   ...D.i....A..g.;
      0010 - 96 c8 50 86 aa 30 b6 b6-cb 0c 5c 38 ad 70 31 66   ..P..0....\8.p1f
      0020 - e1                                                .

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

Don't use deprecated CONF_modules_free() in tests

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

make update

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

Add a CHANGES entry for removal of Configure options

Document removal of no-aes, no-hmac, no-rsa, no-sha and no-md5.

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

Update INSTALL file based on feedback

Update the config options documentation based on feedback.

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

Update the INSTALL instructions with lots of options

There were a lot of options missing from INSTALL. This adds descriptions
for them.

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

Remove OPENSSL_NO_HMAC

no-hmac is no longer an option so remove OPENSSL_NO_HMAC guards.

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

Remove OPENSSL_NO_SHA guards

no-sha is no longer an option so remove OPENSSL_NO_SHA guards.

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

Remove OPENSSL_NO_AES guards

no-aes is no longer a Configure option and therefore the OPENSSL_NO_AES
guards can be removed.

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

Remove no-aes, no-rsa, no-sha, no-md5 and no-hmac

These algorithms are fundamental and extensively used. The "no-" options
do not work either in 1.1.0 or in other released branches. Therefore the
ability to disable them should be removed.

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

Need err_load_crypto_strings_int declared.

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

make update

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

Remove check_defer()

The check_defer() function was used to ensure that EVP_cleanup() was always
called before OBJ_cleanup(). The new cleanup code ensures this so it is
no longer needed.

Remove obj_cleanup() call in OID config module: it is not needed
any more either.

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

Rename internal symbol to follow internal naming pattern

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

Cleanup libcrypto.num and make update

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

Move a declaration that's private to libcrypto

Don't expose purely libcrypto internal symbols, even to libssl.

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

PPC assebmly pack: initial POWER9 support tidbits.

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

chacha/asm/chacha-armv8.pl: fix intermittent build failures.

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

Don't use FORMAT_BASE64 format when compressing / decompressing

When compressing, the output / input is a binary format, not a text
format like BASE64.  This is important on Windows, where a ^Z in a
text file is seen as EOF, and there could be a ^Z somewhere in a
compressed file, cutting it short as input.

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

Fix the handling of --with-zlib-include

The handling was Unix centric, already in Configure.  Change that to
just collect the value and let the build file templates figure out
what to do with it.

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

Remake the way dynamic zlib is loaded

Instead of absolute hard coding of the libz library name, have it use
the macro LIBZ, which is set to defaults we know in case it's
undefined.

This allows our configuration to set something that's sane on current
or older platforms, and allows the user to override it by defining
LIBZ themselves.

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

Configuration: Simplify the way vms information is retrieved

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

Fix zlib configuration options.

The macros ZLIB and ZLIB_SHARED weren't appropriately defined,
deviating wrongly from how they worked in earlier OpenSSL versions.
So, restore it so that ZLIB is defined if configured "enable-zlib" and
so that ZLIB and ZLIB_SHARED are defined if configured
"enable-zlib-dynamic".

Additionally, correct the interpretation of the --with-zlib-lib value
on Windows and VMS, where it's used to indicate the actual zlib
zlib library file / logical name, as that can differ depending on zlib
version and packaging on those platforms.

Finally for Windows and VMS, we also define the macro LIBZ with that
file name / logical name when configured "zlib-dynamic", so the
compression unit can pick it up and use it.

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

Fix no-tls1_1 and no-tls1_2

The above config options were failing in test_ssl_old.

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

Rename int_*() functions to *_int()

There is a preference for suffixes to indicate that a function is internal
rather than prefixes. Note: the suffix is only required to disambiguate
internal functions and public symbols with the same name (but different
case)

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

Tweak to documentation

Tweak to documentation following feedback

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

Misc fix ups to deprecate explicit de-init documentation

Documentation fix ups as a result of feedback received.

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

Fix explicit de-init macros

The no-op de-init macros may fail because of extraneous ";", so we use
a slightly different construct instead.

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

Fix symbols missing from shared build

libssl needs to have access to some internal libcrypto symbols.

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

Rename lots of *_intern or *_internal function to int_*

There was a lot of naming inconsistency, so we try and standardise on
one form.

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

Add a CHANGES entry for the deprecated cleanup functions

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