Remove some redundant code

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

Clear away some unused fields and cruft in the record layer

Now that the read record layer has moved to the new architecture we can
clear some of the old stuff away.

Reviewed-by

Clear away some unused fields and cruft in the record layer

Now that the read record layer has moved to the new architecture we can
clear some of the old stuff away.

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

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Remove some unnecessary function pointers from OSSL_RECORD_METHOD

We had some temporary function pointers in OSSL_RECORD_METHOD which were
only necessary during the process of refactorin

Remove some unnecessary function pointers from OSSL_RECORD_METHOD

We had some temporary function pointers in OSSL_RECORD_METHOD which were
only necessary during the process of refactoring the read record layer.
These are no longer required so can be removed.

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

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Move some DTLS read code into the read record layer

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl

Move some DTLS read code into the read record layer

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

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Move early data counting out of the SSL object and into the record layer

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https

Move early data counting out of the SSL object and into the record layer

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

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Convert ssl3_get_record to tls_read_record

We move the old ssl3_get_record function to conform with the new record
layer design.

Reviewed-by: Hugo Landau <hlandau@openssl.org>

Convert ssl3_get_record to tls_read_record

We move the old ssl3_get_record function to conform with the new record
layer design.

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

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Transfer the functionality from ssl3_read_n to the new record layer

This transfers the low level function ssl3_read_n to the new record layer.
We temporarily make the read_n function a t

Transfer the functionality from ssl3_read_n to the new record layer

This transfers the low level function ssl3_read_n to the new record layer.
We temporarily make the read_n function a top level record layer function.
Eventually, in later commits in this refactor, we will remove it as a top
level function and it will just be called from read_record.

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

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SSL object refactoring using SSL_CONNECTION object

Make the SSL object polymorphic based on whether this is
a traditional SSL connection, QUIC connection, or later
to be implemented

SSL object refactoring using SSL_CONNECTION object

Make the SSL object polymorphic based on whether this is
a traditional SSL connection, QUIC connection, or later
to be implemented a QUIC stream.

It requires adding if after every SSL_CONNECTION_FROM_SSL() call
which itself has to be added to almost every public SSL_ API call.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18612)

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Rename OPENSSL_CTX prefix to OSSL_LIB_CTX

Many of the new types introduced by OpenSSL 3.0 have an OSSL_ prefix,
e.g., OSSL_CALLBACK, OSSL_PARAM, OSSL_ALGORITHM, OSSL_SERIALIZER.

Rename OPENSSL_CTX prefix to OSSL_LIB_CTX

Many of the new types introduced by OpenSSL 3.0 have an OSSL_ prefix,
e.g., OSSL_CALLBACK, OSSL_PARAM, OSSL_ALGORITHM, OSSL_SERIALIZER.

The OPENSSL_CTX type stands out a little by using a different prefix.
For consistency reasons, this type is renamed to OSSL_LIB_CTX.

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12621)

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Remove SSL dependencies from tls_pad.c

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12288)

Move MAC removal responsibility to the various protocol "enc" functions

For CBC ciphersuites using Mac-then-encrypt we have to be careful about
removing the MAC from the record in consta

Move MAC removal responsibility to the various protocol "enc" functions

For CBC ciphersuites using Mac-then-encrypt we have to be careful about
removing the MAC from the record in constant time. Currently that happens
immediately before MAC verification. Instead we move this responsibility
to the various protocol "enc" functions so that MAC removal is handled at
the same time as padding removal.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12288)

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Update copyright year

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11616)

Use a flag in SSL3_BUFFER to track when an application buffer is reused.

With KTLS, writes to an SSL connection store the application buffer
pointer directly in the 'buf' member instead

Use a flag in SSL3_BUFFER to track when an application buffer is reused.

With KTLS, writes to an SSL connection store the application buffer
pointer directly in the 'buf' member instead of allocating a separate
buffer to hold the encrypted data. As a result,
ssl3_release_write_buffer() has to avoid freeing these 'buf' pointers.

Previously, ssl3_release_write_buffer() checked for KTLS being enabled
on the write BIO to determine if a buffer should be freed. However, a
buffer can outlive a BIO. For example, 'openssl s_time' creates new
write BIOs when reusing sessions. Since the new BIO did not have KTLS
enabled at the start of a connection, ssl3_release_write_buffer()
would incorrectly try to free the 'buf' pointer from the previous KTLS
connection. To fix, track the state of 'buf' explicitly in
SSL3_BUFFER to determine if the 'buf' should be freed or simply
cleared.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/10489)

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Reorganize local header files

Apart from public and internal header files, there is a third type called
local header files, which are located next to source files in the source
direc

Reorganize local header files

Apart from public and internal header files, there is a third type called
local header files, which are located next to source files in the source
directory. Currently, they have different suffixes like

'*_lcl.h', '*_local.h', or '*_int.h'

This commit changes the different suffixes to '*_local.h' uniformly.

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

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