Bug 41407: Use Lyrebird for the Snowflake transport.

              This file contains the license for "Snowflake"

     a free software project which provides a WebRTC pluggable transport.

================================================================================

Copyright (c) 2016, Serene Han, Arlo Breault

All rights reserved.

Redistribution and use in source and binary forms, with or without modification,

are permitted provided that the following conditions are met:

  * Redistributions of source code must retain the above copyright notice, this

list of conditions and the following disclaimer.

  * Redistributions in binary form must reproduce the above copyright notice,

this list of conditions and the following disclaimer in the documentation and/or

other materials provided with the distribution.

  * Neither the names of the copyright owners nor the names of its

contributors may be used to endorse or promote products derived from this

software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR

ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON

ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

================================================================================

  [% END -%]

  # Move READMEs from tor-expert-bundle to the doc dir

  mkdir -p "$TBDIR/$DOCSPATH/snowflake" [% IF c("var/macos_universal") %]"$TBDIR_AARCH64/$DOCSPATH/snowflake"[% END %]

  mkdir -p "$TBDIR/$DOCSPATH/conjure" [% IF c("var/macos_universal") %]"$TBDIR_AARCH64/$DOCSPATH/conjure"[% END %]

  mv_tbdir tor/pluggable_transports/README.SNOWFLAKE.md "$DOCSPATH/snowflake/README.md"

  mv_tbdir tor/pluggable_transports/README.CONJURE.md "$DOCSPATH/conjure/README.md"

  # Move the PTs to where TB expects them

This is the Snowflake pluggable transport.

# Vendored dependencies

Snowflake is written in Go, and we version the expected hash of the vendored

dependencies. Please refer to `doc/how-to-update-go-dependencies.txt` for

further information on how we manage dependencies of Go projects.

#!/bin/bash

[% c("var/set_default_env") -%]

[% pc('go', 'var/setup', { go_tarfile => c('input_files_by_name/go') }) %]

distdir=/var/tmp/dist/[% project %]

mkdir -p $distdir

[% IF c("var/android") -%]

  [% pc(c('var/compiler'), 'var/setup', { compiler_tarfile => c('input_files_by_name/' _ c('var/compiler')) }) %]

  # We need to explicitly set CGO_ENABLED with Go 1.13.x as the Android build

  # breaks otherwise.

  export CGO_ENABLED=1

[% END -%]

mkdir -p /var/tmp/build

tar -C /var/tmp/build -xf [% project %]-[% c('version') %].tar.[% c('compress_tar') %]

cd /var/tmp/build/[% project %]-[% c('version') %]

tar -xf $rootdir/[% c('input_files_by_name/go_vendor') %]

cd client

go build -ldflags '-s' -tags 'nopshufb,noasm,packetioSizeHardlimit,purego,safe,appengine,disableunsafe'

cp -a client[% IF c("var/windows") %].exe[% END %] $distdir/snowflake-client[% IF c("var/windows") %].exe[% END %]

cd ..

cp -a README.md $distdir/README.SNOWFLAKE.md

cd $distdir

[% c('tar', {

        tar_src => [ '.' ],

        tar_args => '-caf ' _ dest_dir _ '/' _ c('filename'),

    }) %]

# vim: filetype=yaml sw=2

version: '2.11.0'

git_url: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git

git_hash: 'v[% c("version") %]'

gpg_keyring: anti-censorship.gpg

tag_gpg_id: 1

container:

  use_container: 1

var:

  go_vendor_sha256sum: 4c21a75c2fd0997a13fc5bb99991ff2c7149fb2342b857b06c70a18c4cb2ac89

targets:

  nightly:

    git_hash: main

    version: '[% c("abbrev") %]'

    tag_gpg_id: 0

    var:

      go_vendor_sha256sum: ''

steps:

  build:

    filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %].tar.[% c("compress_tar") %]'

    input_files:

      - project: container-image

      - name: go

        project: go

      - name: '[% c("var/compiler") %]'

        project: '[% c("var/compiler") %]'

        enable: '[% c("var/android") %]'

      - name: go_vendor

        pkg_type: go_vendor

        project: snowflake

        norec:

          sha256sum: '[% c("var/go_vendor_sha256sum") %]'

        target_replace:

          '^torbrowser-(?!testbuild).*': 'torbrowser-linux-x86_64'