-              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.

-================================================================================

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

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

-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[% IF c("var/android") %] -checklinkname=0[% END %]' -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'

-tar -xkf $rootdir/[% c('input_files_by_name/snowflake') %]

-  cp -a tor/pluggable_transports/lyrebird aar/jni/$abi/libObfs4proxy.so

-  cp -a tor/pluggable_transports/snowflake-client aar/jni/$abi/libSnowflake.so

-  - name: snowflake

-    project: snowflake

-    "lyrebird" : "ClientTransportPlugin meek_lite,obfs2,obfs3,obfs4,scramblesuit,webtunnel exec ${pt_path}lyrebird${pt_extension}",

-    "snowflake" : "ClientTransportPlugin snowflake exec ${pt_path}snowflake-client${pt_extension}",