Header file cleanup for C++20 header-units

C++20 adds 'header units' as a stepping-stone to modules. Header
units are regular header-files that have a 'self-contained' property
-- t

Header file cleanup for C++20 header-units

C++20 adds 'header units' as a stepping-stone to modules. Header
units are regular header-files that have a 'self-contained' property
-- they do not require previously-included headers to provide typedefs
and what not.

This addresses 2 problems discovered when using clang modules (as a
proxy for C++20 header-units).

a) Some headers that pay attention to OPENSSL_NO_STDIO to determine
whether to declare certain FILE*-taking functions do not #include
<stdio.h> themselves, relying on their includer already having done
that. That breaks the above mentioned encapuslation requirement.
Fixed by conditionally including stdio.h in those headers. I chose to
always include stdio.h in such headers, even when they included
another such header that transitively included stdio. That way they
do not rely on an artifact of that intermediate header's behaviour.

b) Some headers have #includes inside 'extern "C" { ... }' regions.
That has a bad code-smell, but GCC and clang have extensions to permit
it with implementation-defined effects. Clang needs annotation on the
included files to know that they themselves are entirely inside a
similar region. GCC behavesq as-if there's an extern "C++" region
wrapping the included header (which must therefore wrap its contents
in extern "C", if that is what it wants. In effect the includer's
extern "C" region is just misleading. I didn't audit all the headers
for this, only those I noticed when addressing #a.

\#a is necessary to build the headers as a set of clang-modules. #b
is not necessary, but as I mentioned, avoids potentially
implementation-defined behaviour.

Reviewed-by: Todd Short <todd.short@me.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18221)

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Update copyright year

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14801)

Fix usages of const EVP_MD.

Partially fixes #13837

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/ope

Fix usages of const EVP_MD.

Partially fixes #13837

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14474)

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Correct and simplify use of ERR_clear_error() etc. for loading DSO libs

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13045)

Update copyright year

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11839)

include/openssl/ts.h: clean away a misplaced EVP_MD stack definition

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from htt

include/openssl/ts.h: clean away a misplaced EVP_MD stack definition

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11655)

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In OpenSSL builds, declare STACK for datatypes ...

... and only *define* them in the source files that need them.
Use DEFINE_OR_DECLARE which is set appropriately for internal builds

In OpenSSL builds, declare STACK for datatypes ...

... and only *define* them in the source files that need them.
Use DEFINE_OR_DECLARE which is set appropriately for internal builds
and not non-deprecated builds.

Deprecate stack-of-block

Better documentation

Move some ASN1 struct typedefs to types.h

Update ParseC to handle this. Most of all, ParseC needed to be more
consistent. The handlers are "recursive", in so far that they are called
again and again until they terminate, which depends entirely on what the
"massager" returns. There's a comment at the beginning of ParseC that
explains how that works. {Richard Levtte}

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/10669)

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Update source files for deprecation at 3.0

Previous macros suggested that from 3.0, we're only allowed to
deprecate things at a major version. However, there's no policy
stating thi

Update source files for deprecation at 3.0

Previous macros suggested that from 3.0, we're only allowed to
deprecate things at a major version. However, there's no policy
stating this, but there is for removal, saying that to remove
something, it must have been deprecated for 5 years, and that removal
can only happen at a major version.

Meanwhile, the semantic versioning rule is that deprecation should
trigger a MINOR version update, which is reflected in the macro names
as of this change.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10364)

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Fix typo and create compatibility macro

CLA:trivial

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Matthias St.

Fix typo and create compatibility macro

CLA:trivial

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/9472)

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Add legacy include guards to public header files

For every public header file, the old include guard definition needs
to be added in addition to the new one

include/openssl/file

Add legacy include guards to public header files

For every public header file, the old include guard definition needs
to be added in addition to the new one

include/openssl/file.h:

#ifndef OPENSSL_FILE_H
# define OPENSSL_FILE_H
# pragma once

# include <openssl/macros.h>
# if !OPENSSL_API_3
# define HEADER_FILE_H
# endif
...

This is going to ensure that applications which use the old include guards
externally, for example like this

#ifndef HEADER_FILE_H
# include <openssl/file.h>
#endif

will not fail to compile.

In addition to the legacy guard, the public header files also receive a
'# pragma once' directive.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)

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Fix header file include guard names

Make the include guards consistent by renaming them systematically according
to the naming conventions below

For the public header files (in

Fix header file include guard names

Make the include guards consistent by renaming them systematically according
to the naming conventions below

For the public header files (in the 'include/openssl' directory), the guard
names try to match the path specified in the include directives, with
all letters converted to upper case and '/' and '.' replaced by '_'. For the
private header files files, an extra 'OSSL_' is added as prefix.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)

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constify *_dup() and *i2d_*() and related functions as far as possible, introducing DECLARE_ASN1_DUP_FUNCTION

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

constify *_dup() and *i2d_*() and related functions as far as possible, introducing DECLARE_ASN1_DUP_FUNCTION

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8029)

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crypto/cms: Add support for CAdES Basic Electronic Signatures (CAdES-BES)

A CAdES Basic Electronic Signature (CAdES-BES) contains, among other
specifications, a collection of Signing Ce

crypto/cms: Add support for CAdES Basic Electronic Signatures (CAdES-BES)

A CAdES Basic Electronic Signature (CAdES-BES) contains, among other
specifications, a collection of Signing Certificate reference attributes,
stored in the signedData ether as ESS signing-certificate or as
ESS signing-certificate-v2. These are described in detail in Section 5.7.2
of RFC 5126 - CMS Advanced Electronic Signatures (CAdES).

This patch adds support for adding ESS signing-certificate[-v2] attributes
to CMS signedData. Although it implements only a small part of the RFC, it
is sufficient many cases to enable the `openssl cms` app to create signatures
which comply with legal requirements of some European States (e.g Italy).

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/7893)

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Following the license change, modify the boilerplates in include/ and crypto/include/

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/77

Following the license change, modify the boilerplates in include/ and crypto/include/

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7770)

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Update copyright year

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

Remove redundant declarations of ERR_load_*_strings()

In commit 52df25cf2e656146cb3b206d8220124f0417d03f, the
ERR_load_FOO_strings() functions were moved from their original
location

Remove redundant declarations of ERR_load_*_strings()

In commit 52df25cf2e656146cb3b206d8220124f0417d03f, the
ERR_load_FOO_strings() functions were moved from their original
location in foo.h into new headers called fooerr.h. But they were
never removed from their original locations. This duplication
causes redundant-declaration warnings on programs that use OpenSSL's
headers with such warnings enabled.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5150)

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Put back the #include <openssl/safestack.h> lines in public headers.
the latter includes the former.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openss

Put back the #include <openssl/safestack.h> lines in public headers.
the latter includes the former.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4437)

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Use safestack.h exclusively internally.
Remove all stack headers from some includes that don't use them.

Avoid a genearic untyped stack use.

Update stack POD file to include the

Use safestack.h exclusively internally.
Remove all stack headers from some includes that don't use them.

Avoid a genearic untyped stack use.

Update stack POD file to include the OPENSSL_sk_ API functions in the notes
section. They were mentioned in the name section but not defined anywhere.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4430)

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make error tables const and separate header file

Run perltidy on util/mkerr
Change some mkerr flags, write some doc comments
Make generated tables "const" when genearting lib-interna

make error tables const and separate header file

Run perltidy on util/mkerr
Change some mkerr flags, write some doc comments
Make generated tables "const" when genearting lib-internal ones.
Add "state" file for mkerr
Renerate error tables and headers
Rationalize declaration of ERR_load_XXX_strings
Fix out-of-tree build
Add -static; sort flags/vars for options.
Also tweak code output
Moved engines/afalg to engines (from master)
Use -static flag
Standard engine #include's of errors
Don't linewrap err string tables unless necessary

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3392)

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Added support for ESSCertIDv2

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/771)

Convert TS_STATUS_INFO* functions to use const getters

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

Limit status message sisze in ts_get_status_check

Thanks to Shi Lei for reporting this issue.

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

Constify some ASN1_OBJECT *obj input parameters

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

Check for errors allocating the error strings.

Reviewed-by: Richard Levitte <levitte@openssl.org>
GH: #1330

include/openssl: don't include <windows.h> in public headers.

If application uses any of Windows-specific interfaces, make it
application developer's respondibility to include <windows.h

include/openssl: don't include <windows.h> in public headers.

If application uses any of Windows-specific interfaces, make it
application developer's respondibility to include <windows.h>.
Rationale is that <windows.h> is quite "toxic" and is sensitive
to inclusion order (most notably in relation to <winsock2.h>).
It's only natural to give complete control to the application developer.

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

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