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e4520c8bd1
Summary: Release notes can be found at https://www.openssl.org/news/openssl-3.0-notes.html . Obtained from: https://www.openssl.org/source/openssl-3.0.8.tar.gz Differential Revision: https://reviews.freebsd.org/D38835 Test Plan: ``` $ git status On branch vendor/openssl-3.0 nothing to commit, working tree clean $ (cd ..; fetch http://www.openssl.org/source/openssl-${OSSLVER}.tar.gz http://www.openssl.org/source/openssl-${OSSLVER}.tar.gz.asc) openssl-3.0.8.tar.gz 14 MB 4507 kBps 04s openssl-3.0.8.tar.gz.asc 833 B 10 MBps 00s $ set | egrep '(XLIST|OSSLVER)=' OSSLVER=3.0.8 XLIST=FREEBSD-Xlist $ gpg --list-keys /home/ngie/.gnupg/pubring.kbx ----------------------------- pub rsa4096 2014-10-04 [SC] 7953AC1FBC3DC8B3B292393ED5E9E43F7DF9EE8C uid [ unknown] Richard Levitte <richard@levitte.org> uid [ unknown] Richard Levitte <levitte@lp.se> uid [ unknown] Richard Levitte <levitte@openssl.org> sub rsa4096 2014-10-04 [E] $ gpg --verify openssl-${OSSLVER}.tar.gz.asc openssl-${OSSLVER}.tar.gz gpg: Signature made Tue Feb 7 05:43:55 2023 PST gpg: using RSA key 7953AC1FBC3DC8B3B292393ED5E9E43F7DF9EE8C gpg: Good signature from "Richard Levitte <richard@levitte.org>" [unknown] gpg: aka "Richard Levitte <levitte@lp.se>" [unknown] gpg: aka "Richard Levitte <levitte@openssl.org>" [unknown] gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner. Primary key fingerprint: 7953 AC1F BC3D C8B3 B292 393E D5E9 E43F 7DF9 EE8C $ (cd vendor.checkout/; git status; find . -type f -or -type l | cut -c 3- | sort > ../old) On branch vendor/openssl-3.0 nothing to commit, working tree clean $ tar -x -X $XLIST -f ../openssl-${OSSLVER}.tar.gz -C .. $ rsync --exclude FREEBSD.* --delete -avzz ../openssl-${OSSLVER}/* . $ cat .git gitdir: /home/ngie/git/freebsd-src/.git/worktrees/vendor.checkout $ diff -arq ../openssl-3.0.8 . Only in .: .git Only in .: FREEBSD-Xlist Only in .: FREEBSD-upgrade $ git status FREEBSD* On branch vendor/openssl-3.0 nothing to commit, working tree clean $ ``` Reviewers: emaste, jkim Subscribers: imp, andrew, dab Differential Revision: https://reviews.freebsd.org/D38835
106 lines
3.6 KiB
Text
106 lines
3.6 KiB
Text
=pod
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=head1 NAME
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SSL_COMP_add_compression_method, SSL_COMP_get_compression_methods,
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SSL_COMP_get0_name, SSL_COMP_get_id, SSL_COMP_free_compression_methods
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- handle SSL/TLS integrated compression methods
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
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STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
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const char *SSL_COMP_get0_name(const SSL_COMP *comp);
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int SSL_COMP_get_id(const SSL_COMP *comp);
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The following function has been deprecated since OpenSSL 1.1.0, and can be
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hidden entirely by defining B<OPENSSL_API_COMPAT> with a suitable version value,
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see L<openssl_user_macros(7)>:
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void SSL_COMP_free_compression_methods(void);
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=head1 DESCRIPTION
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SSL_COMP_add_compression_method() adds the compression method B<cm> with
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the identifier B<id> to the list of available compression methods. This
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list is globally maintained for all SSL operations within this application.
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It cannot be set for specific SSL_CTX or SSL objects.
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SSL_COMP_get_compression_methods() returns a stack of all of the available
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compression methods or NULL on error.
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SSL_COMP_get0_name() returns the name of the compression method B<comp>.
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SSL_COMP_get_id() returns the id of the compression method B<comp>.
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SSL_COMP_free_compression_methods() releases any resources acquired to
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maintain the internal table of compression methods.
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=head1 NOTES
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The TLS standard (or SSLv3) allows the integration of compression methods
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into the communication. The TLS RFC does however not specify compression
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methods or their corresponding identifiers, so there is currently no compatible
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way to integrate compression with unknown peers. It is therefore currently not
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recommended to integrate compression into applications. Applications for
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non-public use may agree on certain compression methods. Using different
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compression methods with the same identifier will lead to connection failure.
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An OpenSSL client speaking a protocol that allows compression (SSLv3, TLSv1)
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will unconditionally send the list of all compression methods enabled with
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SSL_COMP_add_compression_method() to the server during the handshake.
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Unlike the mechanisms to set a cipher list, there is no method available to
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restrict the list of compression method on a per connection basis.
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An OpenSSL server will match the identifiers listed by a client against
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its own compression methods and will unconditionally activate compression
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when a matching identifier is found. There is no way to restrict the list
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of compression methods supported on a per connection basis.
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If enabled during compilation, the OpenSSL library will have the
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COMP_zlib() compression method available.
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=head1 RETURN VALUES
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SSL_COMP_add_compression_method() may return the following values:
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=over 4
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=item Z<>0
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The operation succeeded.
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=item Z<>1
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The operation failed. Check the error queue to find out the reason.
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=back
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SSL_COMP_get_compression_methods() returns the stack of compressions methods or
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NULL on error.
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SSL_COMP_get0_name() returns the name of the compression method or NULL on error.
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SSL_COMP_get_id() returns the name of the compression method or -1 on error.
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=head1 SEE ALSO
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L<ssl(7)>
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=head1 HISTORY
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The SSL_COMP_free_compression_methods() function was deprecated in OpenSSL 1.1.0.
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The SSL_COMP_get0_name() and SSL_comp_get_id() functions were added in OpenSSL 1.1.0d.
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=head1 COPYRIGHT
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Copyright 2001-2021 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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