nodejs/doc/guides/maintaining-openssl.md

Maintaining OpenSSL

This document describes how to update deps/openssl/.

Requirements

• Linux environment
• perl Only Perl version 5 is tested.
• nasm (http://www.nasm.us/) The version of 2.11 or higher is needed.
• GNU as in binutils. The version of 2.26 or higher is needed.

0. Check Requirements

% perl -v

This is perl 5, version 22, subversion 1 (v5.22.1) built for
x86_64-linux-gnu-thread-multi
(with 60 registered patches, see perl -V for more detail)

% as --version
GNU assembler (GNU Binutils for Ubuntu) 2.26.1
Copyright (C) 2015 Free Software Foundation, Inc.
...
% nasm -v
NASM version 2.11.08

1. Obtain and extract new OpenSSL sources

Get a new source from https://www.openssl.org/source/ and extract all files into deps/openssl/openssl. Then add all files and commit them.

% cd deps/openssl/
% rm -rf openssl
% tar zxf ~/tmp/openssl-1.1.0h.tar.gz
% mv openssl-1.1.0h openssl
% git add --all openssl
% git commit openssl

The commit message can be (with the openssl version set to the relevant value):

deps: upgrade openssl sources to 1.1.0h

This updates all sources in deps/openssl/openssl by:
    $ cd deps/openssl/
    $ rm -rf openssl
    $ tar zxf ~/tmp/openssl-1.1.0h.tar.gz
    $ mv openssl-1.1.0h openssl
    $ git add --all openssl
    $ git commit openssl

2. Execute make in deps/openssl/config directory

Use make to regenerate all platform dependent files in deps/openssl/config/archs/:

% cd deps/openssl/config; make

3. Check diffs

Check diffs if updates are right. Even if no updates in openssl sources, buildinf.h files will be updated for they have a timestamp data in them.

% cd deps/openssl/config
% git diff

Note: On Windows, OpenSSL Configure generates makefile that can be used for nmake command. The make command in the step 2 above uses Makefile_VC-WIN64A and Makefile_VC-WIN32 that are manually created. When source files or build options are updated in Windows, it needs to change these two Makefiles by hand. If you are not sure, please ask @shigeki for details.

4. Commit and make test

Update all architecture dependent files. Do not forget to git add or remove files if they are changed before commit:

% git add deps/openssl/config/archs
% git add deps/openssl/openssl/crypto/include/internal/bn_conf.h
% git add deps/openssl/openssl/crypto/include/internal/dso_conf.h
% git add deps/openssl/openssl/include/openssl/opensslconf.h
% git commit

The commit message can be (with the openssl version set to the relevant value):

 deps: update archs files for OpenSSL-1.1.0

 After an OpenSSL source update, all the config files need to be regenerated and
 comitted by:
    $ cd deps/openssl/config
    $ make
    $ git add deps/openssl/config/archs
    $ git add deps/openssl/openssl/crypto/include/internal/bn_conf.h
    $ git add deps/openssl/openssl/crypto/include/internal/dso_conf.h
    $ git add deps/openssl/openssl/include/openssl/opensslconf.h
    $ git commit

Finally, build Node.js and run tests.