1# Copyright 2021 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14 15import("//build_overrides/pigweed.gni") 16import("$dir_pw_build/facade.gni") 17import("$dir_pw_build/target_types.gni") 18import("$dir_pw_docgen/docs.gni") 19import("$dir_pw_third_party/boringssl/boringssl.gni") 20import("$dir_pw_tls_client/configs.gni") 21import("$dir_pw_unit_test/test.gni") 22 23config("public_includes") { 24 include_dirs = [ "public" ] 25} 26 27pw_facade("pw_tls_client") { 28 backend = pw_tls_client_BACKEND 29 public_configs = [ ":public_includes" ] 30 public = [ 31 "public/pw_tls_client/options.h", 32 "public/pw_tls_client/session.h", 33 "public/pw_tls_client/status.h", 34 ] 35 public_deps = [ 36 "$dir_pw_assert", 37 "$dir_pw_bytes", 38 "$dir_pw_result", 39 "$dir_pw_status", 40 "$dir_pw_stream", 41 "$dir_pw_string", 42 ] 43} 44 45pw_facade("tls_entropy") { 46 backend = pw_tls_client_ENTROPY_BACKEND 47 public_configs = [ ":public_includes" ] 48 public = [ "public/pw_tls_client/entropy.h" ] 49 public_deps = [ 50 "$dir_pw_bytes", 51 "$dir_pw_status", 52 ] 53} 54 55# A fake entropy source that does nothing. It should only be used for 56# demo and test purpose only. Production code shall not use it. 57pw_source_set("fake_entropy") { 58 public_deps = [ ":tls_entropy.facade" ] 59 sources = [ "fake_entropy.cc" ] 60 deps = [ "$dir_pw_log" ] 61} 62 63# The ":time" target wraps the time() and gettimeofday(), which are 64# commonly used by TLS libraries for expiration check. 65config("time_wrap") { 66 # Link options that wrap C time calls. 67 ldflags = [ 68 "-Wl,--wrap=time", 69 "-Wl,--wrap=gettimeofday", 70 ] 71} 72 73pw_facade("time") { 74 backend = pw_tls_client_TIME_BACKEND 75 public_configs = [ ":time_wrap" ] 76 public = [] 77 78 # The target should only be used by TLS libraries to obtain date time 79 visibility = [ 80 ":*", 81 "$dir_pw_third_party/boringssl", 82 "$dir_pw_third_party/mbedtls", 83 ] 84} 85 86# The build time is obtained with a python script and put in a generated header 87# file. The header file is included in build_time.cc 88pw_python_action("generate_build_time_header") { 89 header_output = "$target_gen_dir/$target_name/build_time.h" 90 script = "generate_build_time_header.py" 91 outputs = [ header_output ] 92 args = [ rebase_path(header_output) ] 93} 94 95# The target provides a backend to :time that returns build time. 96pw_source_set("build_time") { 97 time_injection_outputs = get_target_outputs(":generate_build_time_header") 98 include_dirs = [ get_path_info(time_injection_outputs[0], "dir") ] 99 sources = [ "build_time.cc" ] 100 deps = [ 101 ":generate_build_time_header", 102 ":time.facade", 103 ] 104} 105 106# TODO(b/235290724): Add a python target to generate source file from the 107# specified CRLSet file in `pw_tls_client_CRLSET_FILE` 108 109pw_source_set("crlset") { 110 public_configs = [ ":public_includes" ] 111 public = [ "public/pw_tls_client/crlset.h" ] 112 public_deps = [ dir_pw_bytes ] 113 114 # TODO(b/235290724): Add sources generated from a CRLSet file to build. 115} 116 117pw_source_set("test_server") { 118 sources = [ "test_server.cc" ] 119 public_configs = [ ":public_includes" ] 120 public = [ "public/pw_tls_client/test/test_server.h" ] 121 public_deps = [ 122 "$dir_pw_bytes", 123 "$dir_pw_log", 124 "$dir_pw_stream", 125 "$dir_pw_third_party/boringssl", 126 ] 127} 128 129pw_test("test_server_test") { 130 enable_if = dir_pw_third_party_boringssl != "" 131 public_deps = [ 132 ":test_data", 133 ":test_server", 134 ] 135 sources = [ "test_server_test.cc" ] 136} 137 138pw_python_action("generate_test_data") { 139 header_output = "$target_gen_dir/$target_name/test_certs_and_keys.h" 140 script = "py/pw_tls_client/generate_test_data.py" 141 python_deps = [ "py" ] 142 outputs = [ header_output ] 143 args = [ rebase_path(header_output) ] 144} 145 146config("test_data_includes") { 147 test_header_out = get_target_outputs(":generate_test_data") 148 include_dirs = [ get_path_info(test_header_out[0], "dir") ] 149} 150 151group("test_data") { 152 public_deps = [ ":generate_test_data" ] 153 public_configs = [ ":test_data_includes" ] 154} 155 156pw_test_group("tests") { 157 tests = [ ":test_server_test" ] 158} 159 160pw_doc_group("docs") { 161 sources = [ "docs.rst" ] 162} 163