# Copyright (c) 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/crypto.gni")
if (!is_starboard) {
  import("//testing/test.gni")
}

component("crypto") {
  output_name = "crcrypto"  # Avoid colliding with OpenSSL's libcrypto.
  sources = [
    "aead.cc",
    "aead.h",
    "apple_keychain.h",
    "apple_keychain_ios.mm",
    "apple_keychain_mac.mm",
    "capi_util.cc",
    "capi_util.h",
    "crypto_export.h",
    "ec_private_key.cc",
    "ec_private_key.h",
    "ec_signature_creator.cc",
    "ec_signature_creator.h",
    "ec_signature_creator_impl.cc",
    "ec_signature_creator_impl.h",
    "encryptor.cc",
    "encryptor.h",
    "hkdf.cc",
    "hkdf.h",
    "hmac.cc",
    "hmac.h",
    "mac_security_services_lock.cc",
    "mac_security_services_lock.h",

    # TODO(brettw) these mocks should be moved to a test_support_crypto target
    # if possible.
    "mock_apple_keychain.cc",
    "mock_apple_keychain.h",
    "mock_apple_keychain_ios.cc",
    "mock_apple_keychain_mac.cc",
    "nss_crypto_module_delegate.h",
    "nss_key_util.cc",
    "nss_key_util.h",
    "nss_util.cc",
    "nss_util.h",
    "nss_util_internal.h",
    "openssl_util.cc",
    "openssl_util.h",
    "p224.cc",
    "p224.h",
    "p224_spake.cc",
    "p224_spake.h",
    "random.cc",
    "random.h",
    "rsa_private_key.cc",
    "rsa_private_key.h",
    "scoped_capi_types.h",
    "scoped_nss_types.h",
    "secure_hash.cc",
    "secure_hash.h",
    "secure_util.cc",
    "secure_util.h",
    "sha2.cc",
    "sha2.h",
    "signature_creator.cc",
    "signature_creator.h",
    "signature_verifier.cc",
    "signature_verifier.h",
    "symmetric_key.cc",
    "symmetric_key.h",
    "wincrypt_shim.h",
  ]

  if (is_starboard) {
    sources -= [
      "apple_keychain_ios.mm",
      "apple_keychain_mac.mm",
      "mock_apple_keychain_ios.cc",
      "mock_apple_keychain_mac.cc",
      "nss_crypto_module_delegate.h",
      "scoped_capi_types.h",
      "scoped_nss_types.h",
    ]
    if (is_win) {
      cflags = [
        "/wd4018",  # Comparing signed and unsigned values.
      ]
    }
  }

  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]

  deps = [
    ":platform",
    "//base",
    "//base/third_party/dynamic_annotations",
  ]

  if (!is_starboard) {
    public_deps = [ "//third_party/boringssl" ]
  }

  if ((!is_mac && !is_ios) || is_starboard) {
    sources -= [
      "apple_keychain.h",
      "mock_apple_keychain.cc",
      "mock_apple_keychain.h",
    ]
  } else {
    libs = [
      "CoreFoundation.framework",
      "Security.framework",
    ]
  }

  if (!is_mac) {
    sources -= [
      "mac_security_services_lock.cc",
      "mac_security_services_lock.h",
    ]
  }
  if (!is_win) {
    sources -= [
      "capi_util.cc",
      "capi_util.h",
    ]
  }

  # Some files are built when NSS is used for the platform certificate library.
  if (!use_nss_certs) {
    sources -= [
      "nss_key_util.cc",
      "nss_key_util.h",
      "nss_util.cc",
      "nss_util.h",
      "nss_util_internal.h",
    ]
  }

  defines = [ "CRYPTO_IMPLEMENTATION" ]

  if (is_nacl) {
    deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
  }
}

target(gtest_target_type, "crypto_unittests") {
  testonly = true

  sources = [
    "aead_unittest.cc",
    "ec_private_key_unittest.cc",
    "ec_signature_creator_unittest.cc",
    "encryptor_unittest.cc",
    "hmac_unittest.cc",
    "nss_key_util_unittest.cc",
    "nss_util_unittest.cc",
    "p224_spake_unittest.cc",
    "p224_unittest.cc",
    "random_unittest.cc",
    "rsa_private_key_unittest.cc",
    "secure_hash_unittest.cc",
    "sha2_unittest.cc",
    "signature_creator_unittest.cc",
    "signature_verifier_unittest.cc",
    "symmetric_key_unittest.cc",
  ]

  # Some files are built when NSS is used for the platform certificate library.
  if (!use_nss_certs) {
    sources -= [
      "nss_key_util_unittest.cc",
      "nss_util_unittest.cc",
    ]
  }

  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]

  deps = [
    ":crypto",
    ":platform",
    ":test_support",
    "//base",
    "//base/test:run_all_unittests",
    "//base/test:test_support",
    "//testing/gmock",
    "//testing/gtest",
  ]
}

# This has no sources in some cases so can't be a static library.
source_set("test_support") {
  testonly = true
  sources = []

  if (use_nss_certs) {
    sources += [
      "scoped_test_nss_db.cc",
      "scoped_test_nss_db.h",
    ]
  }

  if (is_chromeos) {
    sources += [
      "scoped_test_nss_chromeos_user.cc",
      "scoped_test_nss_chromeos_user.h",
      "scoped_test_system_nss_key_slot.cc",
      "scoped_test_system_nss_key_slot.h",
    ]
  }

  deps = [
    ":crypto",
    ":platform",
    "//base",
  ]
}

config("platform_config") {
  if (use_nss_certs && is_clang) {
    # There is a broken header guard in /usr/include/nss/secmod.h:
    # https://bugzilla.mozilla.org/show_bug.cgi?id=884072
    cflags = [ "-Wno-header-guard" ]
  }
}

# This is a meta-target that forwards to NSS's SSL library or OpenSSL,
# according to the state of the crypto flags. A target just wanting to depend
# on the current SSL library should just depend on this.
group("platform") {
  if (is_starboard) {
    deps = [ "//starboard" ]
    public_deps = [ "//third_party/boringssl:crypto" ]
  } else {
    public_deps = [ "//third_party/boringssl" ]

    # Link in NSS if it is used for the platform certificate library
    # (use_nss_certs).
    if (use_nss_certs) {
      public_configs = [ ":platform_config" ]
      public_configs += [ "//build/config/linux/nss:system_nss_no_ssl_config" ]
    }
  }
}