libsodium/dist-build/emscripten.sh

#! /bin/sh

export MAKE_FLAGS='-j4'
export EXPORTED_FUNCTIONS_STANDARD='["_malloc","_free","_crypto_aead_aegis128l_abytes","_crypto_aead_aegis128l_decrypt","_crypto_aead_aegis128l_decrypt_detached","_crypto_aead_aegis128l_encrypt","_crypto_aead_aegis128l_encrypt_detached","_crypto_aead_aegis128l_keybytes","_crypto_aead_aegis128l_keygen","_crypto_aead_aegis128l_messagebytes_max","_crypto_aead_aegis128l_npubbytes","_crypto_aead_aegis128l_nsecbytes","_crypto_aead_aegis256_abytes","_crypto_aead_aegis256_decrypt","_crypto_aead_aegis256_decrypt_detached","_crypto_aead_aegis256_encrypt","_crypto_aead_aegis256_encrypt_detached","_crypto_aead_aegis256_keybytes","_crypto_aead_aegis256_keygen","_crypto_aead_aegis256_messagebytes_max","_crypto_aead_aegis256_npubbytes","_crypto_aead_aegis256_nsecbytes","_crypto_aead_chacha20poly1305_abytes","_crypto_aead_chacha20poly1305_decrypt","_crypto_aead_chacha20poly1305_decrypt_detached","_crypto_aead_chacha20poly1305_encrypt","_crypto_aead_chacha20poly1305_encrypt_detached","_crypto_aead_chacha20poly1305_ietf_abytes","_crypto_aead_chacha20poly1305_ietf_decrypt","_crypto_aead_chacha20poly1305_ietf_decrypt_detached","_crypto_aead_chacha20poly1305_ietf_encrypt","_crypto_aead_chacha20poly1305_ietf_encrypt_detached","_crypto_aead_chacha20poly1305_ietf_keybytes","_crypto_aead_chacha20poly1305_ietf_keygen","_crypto_aead_chacha20poly1305_ietf_messagebytes_max","_crypto_aead_chacha20poly1305_ietf_npubbytes","_crypto_aead_chacha20poly1305_ietf_nsecbytes","_crypto_aead_chacha20poly1305_keybytes","_crypto_aead_chacha20poly1305_keygen","_crypto_aead_chacha20poly1305_messagebytes_max","_crypto_aead_chacha20poly1305_npubbytes","_crypto_aead_chacha20poly1305_nsecbytes","_crypto_aead_xchacha20poly1305_ietf_abytes","_crypto_aead_xchacha20poly1305_ietf_decrypt","_crypto_aead_xchacha20poly1305_ietf_decrypt_detached","_crypto_aead_xchacha20poly1305_ietf_encrypt","_crypto_aead_xchacha20poly1305_ietf_encrypt_detached","_crypto_aead_xchacha20poly1305_ietf_keybytes","_crypto_aead_xchacha20poly1305_ietf_keygen","_crypto_aead_xchacha20poly1305_ietf_messagebytes_max","_crypto_aead_xchacha20poly1305_ietf_npubbytes","_crypto_aead_xchacha20poly1305_ietf_nsecbytes","_crypto_auth","_crypto_auth_bytes","_crypto_auth_keybytes","_crypto_auth_keygen","_crypto_auth_verify","_crypto_box_beforenm","_crypto_box_beforenmbytes","_crypto_box_detached","_crypto_box_detached_afternm","_crypto_box_easy","_crypto_box_easy_afternm","_crypto_box_keypair","_crypto_box_macbytes","_crypto_box_messagebytes_max","_crypto_box_noncebytes","_crypto_box_open_detached","_crypto_box_open_detached_afternm","_crypto_box_open_easy","_crypto_box_open_easy_afternm","_crypto_box_publickeybytes","_crypto_box_seal","_crypto_box_seal_open","_crypto_box_sealbytes","_crypto_box_secretkeybytes","_crypto_box_seed_keypair","_crypto_box_seedbytes","_crypto_generichash","_crypto_generichash_bytes","_crypto_generichash_bytes_max","_crypto_generichash_bytes_min","_crypto_generichash_final","_crypto_generichash_init","_crypto_generichash_keybytes","_crypto_generichash_keybytes_max","_crypto_generichash_keybytes_min","_crypto_generichash_keygen","_crypto_generichash_statebytes","_crypto_generichash_update","_crypto_hash","_crypto_hash_bytes","_crypto_kdf_bytes_max","_crypto_kdf_bytes_min","_crypto_kdf_contextbytes","_crypto_kdf_derive_from_key","_crypto_kdf_hkdf_sha256_bytes_max","_crypto_kdf_hkdf_sha256_bytes_min","_crypto_kdf_hkdf_sha256_expand","_crypto_kdf_hkdf_sha256_extract","_crypto_kdf_hkdf_sha256_extract_final","_crypto_kdf_hkdf_sha256_extract_init","_crypto_kdf_hkdf_sha256_extract_update","_crypto_kdf_hkdf_sha256_keybytes","_crypto_kdf_hkdf_sha256_keygen","_crypto_kdf_hkdf_sha256_statebytes","_crypto_kdf_hkdf_sha512_bytes_max","_crypto_kdf_hkdf_sha512_bytes_min","_crypto_kdf_hkdf_sha512_expand","_crypto_kdf_hkdf_sha512_extract","_crypto_kdf_hkdf_sha512_extract_final","_crypto_kdf_hkdf_sha512_extract_init","_crypto_kdf_hkdf_sha512_extract_update","_crypto_kdf_hkdf_sha512_keybytes","_crypto_kdf_hkdf_sha512_keygen","_crypto_kdf_hkdf_sha512_statebytes","_crypto_kdf_keybytes","_crypto_kdf_keygen","_cr
export EXPORTED_FUNCTIONS_SUMO='["_malloc","_free","_crypto_aead_aegis128l_abytes","_crypto_aead_aegis128l_decrypt","_crypto_aead_aegis128l_decrypt_detached","_crypto_aead_aegis128l_encrypt","_crypto_aead_aegis128l_encrypt_detached","_crypto_aead_aegis128l_keybytes","_crypto_aead_aegis128l_keygen","_crypto_aead_aegis128l_messagebytes_max","_crypto_aead_aegis128l_npubbytes","_crypto_aead_aegis128l_nsecbytes","_crypto_aead_aegis256_abytes","_crypto_aead_aegis256_decrypt","_crypto_aead_aegis256_decrypt_detached","_crypto_aead_aegis256_encrypt","_crypto_aead_aegis256_encrypt_detached","_crypto_aead_aegis256_keybytes","_crypto_aead_aegis256_keygen","_crypto_aead_aegis256_messagebytes_max","_crypto_aead_aegis256_npubbytes","_crypto_aead_aegis256_nsecbytes","_crypto_aead_chacha20poly1305_abytes","_crypto_aead_chacha20poly1305_decrypt","_crypto_aead_chacha20poly1305_decrypt_detached","_crypto_aead_chacha20poly1305_encrypt","_crypto_aead_chacha20poly1305_encrypt_detached","_crypto_aead_chacha20poly1305_ietf_abytes","_crypto_aead_chacha20poly1305_ietf_decrypt","_crypto_aead_chacha20poly1305_ietf_decrypt_detached","_crypto_aead_chacha20poly1305_ietf_encrypt","_crypto_aead_chacha20poly1305_ietf_encrypt_detached","_crypto_aead_chacha20poly1305_ietf_keybytes","_crypto_aead_chacha20poly1305_ietf_keygen","_crypto_aead_chacha20poly1305_ietf_messagebytes_max","_crypto_aead_chacha20poly1305_ietf_npubbytes","_crypto_aead_chacha20poly1305_ietf_nsecbytes","_crypto_aead_chacha20poly1305_keybytes","_crypto_aead_chacha20poly1305_keygen","_crypto_aead_chacha20poly1305_messagebytes_max","_crypto_aead_chacha20poly1305_npubbytes","_crypto_aead_chacha20poly1305_nsecbytes","_crypto_aead_xchacha20poly1305_ietf_abytes","_crypto_aead_xchacha20poly1305_ietf_decrypt","_crypto_aead_xchacha20poly1305_ietf_decrypt_detached","_crypto_aead_xchacha20poly1305_ietf_encrypt","_crypto_aead_xchacha20poly1305_ietf_encrypt_detached","_crypto_aead_xchacha20poly1305_ietf_keybytes","_crypto_aead_xchacha20poly1305_ietf_keygen","_crypto_aead_xchacha20poly1305_ietf_messagebytes_max","_crypto_aead_xchacha20poly1305_ietf_npubbytes","_crypto_aead_xchacha20poly1305_ietf_nsecbytes","_crypto_auth","_crypto_auth_bytes","_crypto_auth_hmacsha256","_crypto_auth_hmacsha256_bytes","_crypto_auth_hmacsha256_final","_crypto_auth_hmacsha256_init","_crypto_auth_hmacsha256_keybytes","_crypto_auth_hmacsha256_keygen","_crypto_auth_hmacsha256_statebytes","_crypto_auth_hmacsha256_update","_crypto_auth_hmacsha256_verify","_crypto_auth_hmacsha512","_crypto_auth_hmacsha512256","_crypto_auth_hmacsha512256_bytes","_crypto_auth_hmacsha512256_final","_crypto_auth_hmacsha512256_init","_crypto_auth_hmacsha512256_keybytes","_crypto_auth_hmacsha512256_keygen","_crypto_auth_hmacsha512256_statebytes","_crypto_auth_hmacsha512256_update","_crypto_auth_hmacsha512256_verify","_crypto_auth_hmacsha512_bytes","_crypto_auth_hmacsha512_final","_crypto_auth_hmacsha512_init","_crypto_auth_hmacsha512_keybytes","_crypto_auth_hmacsha512_keygen","_crypto_auth_hmacsha512_statebytes","_crypto_auth_hmacsha512_update","_crypto_auth_hmacsha512_verify","_crypto_auth_keybytes","_crypto_auth_keygen","_crypto_auth_primitive","_crypto_auth_verify","_crypto_box","_crypto_box_afternm","_crypto_box_beforenm","_crypto_box_beforenmbytes","_crypto_box_boxzerobytes","_crypto_box_curve25519xchacha20poly1305_beforenm","_crypto_box_curve25519xchacha20poly1305_beforenmbytes","_crypto_box_curve25519xchacha20poly1305_detached","_crypto_box_curve25519xchacha20poly1305_detached_afternm","_crypto_box_curve25519xchacha20poly1305_easy","_crypto_box_curve25519xchacha20poly1305_easy_afternm","_crypto_box_curve25519xchacha20poly1305_keypair","_crypto_box_curve25519xchacha20poly1305_macbytes","_crypto_box_curve25519xchacha20poly1305_messagebytes_max","_crypto_box_curve25519xchacha20poly1305_noncebytes","_crypto_box_curve25519xchacha20poly1305_open_detached","_crypto_box_curve25519xchacha20poly1305_open_detached_afternm","_crypto_box_curve25519xchacha20poly1305_open_easy","_crypto_box_curve25519xchacha20poly1305_open_easy_afternm","_crypto_box_curve25519x
export EXPORTED_RUNTIME_METHODS='["UTF8ToString","getValue","setValue"]'
export JS_RESERVED_MEMORY_STANDARD=16MB
export JS_RESERVED_MEMORY_SUMO=48MB
export JS_RESERVED_MEMORY_TESTS=16MB
export WASM_INITIAL_MEMORY=4MB
export LDFLAGS="-s RESERVED_FUNCTION_POINTERS=8"
export LDFLAGS="${LDFLAGS} -s ALLOW_MEMORY_GROWTH=1"
export LDFLAGS="${LDFLAGS} -s SINGLE_FILE=1"
export LDFLAGS="${LDFLAGS} -s ASSERTIONS=0"
export LDFLAGS="${LDFLAGS} -s AGGRESSIVE_VARIABLE_ELIMINATION=1 -s ALIASING_FUNCTION_POINTERS=1"
export LDFLAGS="${LDFLAGS} -s DISABLE_EXCEPTION_CATCHING=1"
export LDFLAGS="${LDFLAGS} -s ELIMINATE_DUPLICATE_FUNCTIONS=1"
export LDFLAGS="${LDFLAGS} -s NODEJS_CATCH_EXIT=0"
export LDFLAGS="${LDFLAGS} -s NODEJS_CATCH_REJECTION=0"

echo
if [ "$1" = "--standard" ]; then
  export EXPORTED_FUNCTIONS="$EXPORTED_FUNCTIONS_STANDARD"
  export LDFLAGS="${LDFLAGS} ${LDFLAGS_DIST}"
  export LDFLAGS_JS="-s TOTAL_MEMORY=${JS_RESERVED_MEMORY_STANDARD}"
  export PREFIX="$(pwd)/libsodium-js"
  export DONE_FILE="$(pwd)/js.done"
  export CONFIG_EXTRA="--enable-minimal"
  export DIST='yes'
  echo "Building a standard distribution in [${PREFIX}]"
elif [ "$1" = "--sumo" ]; then
  export EXPORTED_FUNCTIONS="$EXPORTED_FUNCTIONS_SUMO"
  export LDFLAGS="${LDFLAGS} ${LDFLAGS_DIST}"
  export LDFLAGS_JS="-s TOTAL_MEMORY=${JS_RESERVED_MEMORY_SUMO}"
  export PREFIX="$(pwd)/libsodium-js-sumo"
  export DONE_FILE="$(pwd)/js-sumo.done"
  export DIST='yes'
  echo "Building a sumo distribution in [${PREFIX}]"
elif [ "$1" = "--browser-tests" ]; then
  export EXPORTED_FUNCTIONS="$EXPORTED_FUNCTIONS_SUMO"
  export CPPFLAGS="${CPPFLAGS} -s FORCE_FILESYSTEM=1"
  export LDFLAGS="${LDFLAGS}"
  export LDFLAGS_JS="-s TOTAL_MEMORY=${JS_RESERVED_MEMORY_TESTS}"
  export PREFIX="$(pwd)/libsodium-js-tests"
  export DONE_FILE="$(pwd)/js-tests-browser.done"
  export BROWSER_TESTS='yes'
  export DIST='no'
  echo "Building tests for web browsers in [${PREFIX}]"
elif [ "$1" = "--tests" ]; then
  echo "Building for testing"
  export EXPORTED_FUNCTIONS="$EXPORTED_FUNCTIONS_SUMO"
  export CPPFLAGS="${CPPFLAGS} -s FORCE_FILESYSTEM=1 -DBENCHMARKS -DITERATIONS=10"
  export LDFLAGS="${LDFLAGS}"
  export LDFLAGS_JS="-s TOTAL_MEMORY=${JS_RESERVED_MEMORY_TESTS}"
  export PREFIX="$(pwd)/libsodium-js-tests"
  export DONE_FILE="$(pwd)/js-tests.done"
  export DIST='no'
  echo "Building for testing in [${PREFIX}]"
else
  echo "Usage: $0 <build_type>"
  echo "<build_type> := --standard | --sumo | --browser-tests | --tests"
  echo
  exit 1
fi
export JS_EXPORTS_FLAGS="-s EXPORTED_FUNCTIONS=${EXPORTED_FUNCTIONS} -s EXPORTED_RUNTIME_METHODS=${EXPORTED_RUNTIME_METHODS}"

rm -f "$DONE_FILE"

echo

emconfigure ./configure $CONFIG_EXTRA --disable-shared --prefix="$PREFIX" \
  --without-pthreads \
  --disable-ssp --disable-asm --disable-pie &&
  emmake make clean
[ $? = 0 ] || exit 1

if [ "$DIST" = yes ]; then
  emccLibsodium() {
    outFile="${1}"
    shift
    emcc "$CFLAGS" --llvm-lto 1 $CPPFLAGS $LDFLAGS $JS_EXPORTS_FLAGS "${@}" \
      "${PREFIX}/lib/libsodium.a" -o "${outFile}" || exit 1
  }
  emmake make $MAKE_FLAGS install || exit 1
  emccLibsodium "${PREFIX}/lib/libsodium.asm.tmp.js" -Oz -s WASM=0 $LDFLAGS_JS
  emccLibsodium "${PREFIX}/lib/libsodium.wasm.tmp.js" -O3 -s WASM=1 -s EVAL_CTORS=1 -s INITIAL_MEMORY=${WASM_INITIAL_MEMORY}

  cat >"${PREFIX}/lib/libsodium.js" <<-EOM
    var Module;
    if (typeof Module === 'undefined') {
      Module = {};
    }
    var root = Module;
    if (typeof root['sodium'] !== 'object') {
      if (typeof global === 'object') {
        root = global;
      } else if (typeof window === 'object') {
        root = window;
      }
    }
    var _Module = Module;
    Module.ready = new Promise(function(resolve, reject) {
      var Module = _Module;
      Module.onAbort = reject;
      Module.print = function(what) {
        typeof(console) !== 'undefined' && console.log(what);
      }
      Module.printErr = function(what) {
        typeof(console) !== 'undefined' && console.warn(what);
      }
      Module.onRuntimeInitialized = function() {
        try {
          /* Test arbitrary wasm function */
          Module._crypto_secretbox_keybytes();
          resolve();
        } catch (err) {
          reject(err);
        }
      };
      Module.useBackupModule = function() {
        return new Promise(function(resolve, reject) {
          var Module = {};
          Module.onAbort = reject;

          Module.onRuntimeInitialized = function() {
            Object.keys(_Module).forEach(function(k) {
              if (k !== 'getRandomValue') {
                delete _Module[k];
              }
            });
            Object.keys(Module).forEach(function(k) {
              _Module[k] = Module[k];
            });
            resolve();
          };

          $(sed "s|use asm||g" "${PREFIX}/lib/libsodium.asm.tmp.js")
        });
      };
      $(cat "${PREFIX}/lib/libsodium.wasm.tmp.js")
    }).catch(function() {
      return _Module.useBackupModule();
    });
EOM

  rm "${PREFIX}/lib/libsodium.asm.tmp.js" "${PREFIX}/lib/libsodium.wasm.tmp.js"
  touch -r "${PREFIX}/lib/libsodium.js" "$DONE_FILE"
  ls -l "${PREFIX}/lib/libsodium.js"
  exit 0
fi

if test "$NODE" = ""; then
  for candidate in /usr/local/bin/node /usr/local/bin/nodejs /usr/bin/node /usr/bin/nodejs node nodejs; do
    case $($candidate --version 2>&1) in #(
    v*)
      NODE=$candidate
      break
      ;;
    esac
  done
fi

if [ "x$BROWSER_TESTS" != "x" ]; then
  echo 'Compiling the test suite for web browsers...' &&
    emmake make $MAKE_FLAGS CPPFLAGS="$CPPFLAGS -DBROWSER_TESTS=1" check >/dev/null 2>&1
else
  if test "$NODE" = ""; then
    echo 'node.js not found - test suite skipped' >&2
    exit 1
  fi
  echo "Using [${NODE}] as a Javascript runtime"
  echo 'Compiling the test suite...' &&
    emmake make $MAKE_FLAGS check >/dev/null 2>&1
fi

if [ "x$BROWSER_TESTS" != "x" ]; then
  echo 'Creating the test suite for web browsers'
  (
    cd test/default &&
      mkdir -p browser &&
      rm -f browser/tests.txt &&
      for file in *.js; do
        grep -Fv "#! /usr/bin/env ${NODE}" "$file" >"browser/${file}"
        tname=$(echo "$file" | sed 's/.js$//')
        cp -f "${tname}.exp" "browser/${tname}.exp"
        sed "s/{{tname}}/${tname}/" index.html.tpl >"browser/${tname}.html"
        echo "${tname}.html" >>"browser/tests.txt"
      done
    touch "$DONE_FILE"
  )
else
  echo 'Running the test suite'
  (
    cd test/default &&
      for file in *.js; do
        echo "#! /usr/bin/env ${NODE}" >"${file}.tmp"
        grep -Fv "#! /usr/bin/env ${NODE}" "$file" >>"${file}.tmp"
        chmod +x "${file}.tmp"
        mv -f "${file}.tmp" "$file"
      done
  )
  make $MAKE_FLAGS check || exit 1
  touch "$DONE_FILE"
fi

echo 'Done.'