Support compile with boringssl

.github/workflows/ci-linux.yml

@@ -95,7 +95,9 @@ jobs:
       run: |
            export CC=gcc && export CXX=g++
            bazel build -j 12 -c opt --define with_mesalink=false --define with_glog=true --define with_thrift=true --copt -DHAVE_ZLIB=1 //...
-
+    - name: compile-with-boringssl
+      run: |
+          bazel build -j 12 -c opt --define with_mesalink=false --define with_glog=true --define with_thrift=true --define BRPC_WITH_BORINGSSL=true --copt -DHAVE_ZLIB=1 //...
 
   clang-compile-with-make:
     runs-on: ubuntu-20.04
@@ -178,6 +180,9 @@ jobs:
       run: |
            export CC=clang && export CXX=clang++
            bazel build -j ${{env.proc_num}} -c opt --define with_mesalink=false --define with_glog=true --define with_thrift=true --copt -DHAVE_ZLIB=1 //...
+    - name: compile-with-boringssl
+      run: |
+        bazel build -j ${{env.proc_num}} -c opt --define with_mesalink=false --define with_glog=true --define with_thrift=true --define BRPC_WITH_BORINGSSL=true  --copt -DHAVE_ZLIB=1 //...
 
   clang-unittest:
     runs-on: ubuntu-20.04

BUILD.bazel

@@ -325,14 +325,15 @@ cc_library(
         "@com_github_gflags_gflags//:gflags",
         "@com_github_madler_zlib//:zlib",
         "@com_google_protobuf//:protobuf",
-        "@openssl//:crypto",
-        "@openssl//:ssl",
     ] + select({
         "//bazel/config:brpc_with_glog": ["@com_github_google_glog//:glog"],
         "//conditions:default": [],
     }) + select({
         "@bazel_tools//tools/osx:darwin": [":macos_lib"],
         "//conditions:default": [],
+    }) + select({
+        "//bazel/config:brpc_with_boringssl": ["@boringssl//:ssl", "@boringssl//:crypto"],
+        "//conditions:default": ["@openssl//:ssl", "@openssl//:crypto"],
     }),
 )
 

CMakeLists.txt

@@ -20,6 +20,7 @@ project(brpc C CXX)
 
 option(WITH_GLOG "With glog" OFF)
 option(WITH_MESALINK "With MesaLink" OFF)
+option(WITH_BORINGSSL "With BoringSSL" OFF)
 option(DEBUG "Print debug logs" OFF)
 option(WITH_DEBUG_SYMBOLS "With debug symbols" ON)
 option(WITH_THRIFT "With thrift framed protocol supported" OFF)
@@ -205,19 +206,24 @@ if(NOT PROTOC_LIB)
     message(FATAL_ERROR "Fail to find protoc lib")
 endif()
 
-if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
-    set(OPENSSL_ROOT_DIR
-        "/usr/local/opt/openssl"    # Homebrew installed OpenSSL
+if(WITH_BORINGSSL)
+    find_package(BoringSSL)
+    include_directories(${BORINGSSL_INCLUDE_DIR})
+else()
+    if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+        set(OPENSSL_ROOT_DIR
+            "/usr/local/opt/openssl" # Homebrew installed OpenSSL
         )
-endif()
+    endif()
 
-find_package(OpenSSL)
+    find_package(OpenSSL)
+    include_directories(${OPENSSL_INCLUDE_DIR})
+endif()
 
 include_directories(
         ${GFLAGS_INCLUDE_PATH}
         ${PROTOBUF_INCLUDE_DIRS}
         ${LEVELDB_INCLUDE_PATH}
-        ${OPENSSL_INCLUDE_DIR}
         )
 
 set(DYNAMIC_LIB
@@ -227,14 +233,19 @@ set(DYNAMIC_LIB
     ${PROTOC_LIB}
     ${CMAKE_THREAD_LIBS_INIT}
     ${THRIFT_LIB}
-    ${OPENSSL_CRYPTO_LIBRARY}
     dl
     z)
 
-if(WITH_MESALINK)
-    list(APPEND DYNAMIC_LIB ${MESALINK_LIB})
+if(WITH_BORINGSSL)
+    list(APPEND DYNAMIC_LIB ${BORINGSSL_SSL_LIBRARY})
+    list(APPEND DYNAMIC_LIB ${BORINGSSL_CRYPTO_LIBRARY})
 else()
-    list(APPEND DYNAMIC_LIB ${OPENSSL_SSL_LIBRARY})
+    list(APPEND DYNAMIC_LIB ${OPENSSL_CRYPTO_LIBRARY})
+    if(WITH_MESALINK)
+        list(APPEND DYNAMIC_LIB ${MESALINK_LIB})
+    else()
+        list(APPEND DYNAMIC_LIB ${OPENSSL_SSL_LIBRARY})
+    endif()
 endif()
 
 if(WITH_RDMA)

WORKSPACE

@@ -18,6 +18,7 @@
 workspace(name = "com_github_brpc_brpc")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 
 #
 # Constants
@@ -252,7 +253,6 @@ Set-Content protobuf.bzl -Value $content -Encoding UTF8
     urls = ["https://github.com/protocolbuffers/protobuf/archive/refs/tags/v3.19.1.tar.gz"],
 )
 
-# bRPC cannot use boringssl. Build openssl.
 http_archive(
     name = "openssl",  # 2021-12-14T15:45:01Z
     build_file = "//bazel/third_party/openssl:openssl.BUILD",
@@ -264,6 +264,13 @@ http_archive(
     ],
 )
 
+# https://github.com/google/boringssl/blob/master/INCORPORATING.md
+git_repository(
+    name = "boringssl", # 2021-05-01T12:26:01Z
+    commit = "0e6b86549db4c888666512295c3ebd4fa2a402f5", # fips-20210429
+    remote = "https://github.com/google/boringssl",
+)
+
 http_archive(
     name = "org_apache_thrift",  # 2021-09-11T11:54:01Z
     build_file = "//bazel/third_party/thrift:thrift.BUILD",

bazel/config/BUILD.bazel

@@ -103,3 +103,9 @@ config_setting(
     define_values = {"BRPC_WITH_RDMA": "true"},
     visibility = ["//visibility:public"],
 )
+
+config_setting(
+    name = "brpc_with_boringssl",
+    define_values = {"BRPC_WITH_BORINGSSL": "true"},
+    visibility = ["//visibility:public"],
+)

cmake/FindBoringSSL.cmake

@@ -0,0 +1,77 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Usage of this module as follows:
+#
+# find_package(BORINGSSL)
+#
+# Variables used by this module, they can change the default behaviour and need
+# to be set before calling find_package:
+#
+# BORINGSSL_ROOT_DIR          Set this variable to the root installation of
+# boringssl if the module has problems finding the
+# proper installation path.
+#
+# Variables defined by this module:
+#
+# BORINGSSL_FOUND             System has boringssl, include and library dirs found
+# BORINGSSL_INCLUDE_DIR       The boringssl include directories.
+# BORINGSSL_LIBRARIES         The boringssl libraries.
+# BORINGSSL_CRYPTO_LIBRARY    The boringssl crypto library.
+# BORINGSSL_SSL_LIBRARY       The boringssl ssl library.
+# BORING_USE_STATIC_LIBS      Whether use static library.
+
+if(BORING_USE_STATIC_LIBS)
+    set(_boringssl_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
+    if(MSVC)
+        set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
+    else()
+        set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
+    endif()
+endif()
+
+find_path(BORINGSSL_ROOT_DIR
+          NAMES include/openssl/ssl.h include/openssl/base.h include/openssl/hkdf.h
+          HINTS ${BORINGSSL_ROOT_DIR})
+
+find_path(BORINGSSL_INCLUDE_DIR
+          NAMES openssl/ssl.h openssl/base.h openssl/hkdf.h
+          HINTS ${BORINGSSL_ROOT_DIR}/include)
+
+find_library(BORINGSSL_SSL_LIBRARY
+            NAMES ssl
+            HINTS ${BORINGSSL_ROOT_DIR}/lib)
+
+find_library(BORINGSSL_CRYPTO_LIBRARY
+             NAMES crypto
+             HINTS ${BORINGSSL_ROOT_DIR}/lib)
+
+set(BORINGSSL_LIBRARIES ${BORINGSSL_SSL_LIBRARY} ${BORINGSSL_CRYPTO_LIBRARY}
+    CACHE STRING "BoringSSL SSL and crypto libraries" FORCE)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(BoringSSL DEFAULT_MSG
+                                  BORINGSSL_LIBRARIES
+                                  BORINGSSL_INCLUDE_DIR)
+
+mark_as_advanced(
+        BORINGSSL_ROOT_DIR
+        BORINGSSL_INCLUDE_DIR
+        BORINGSSL_LIBRARIES
+        BORINGSSL_CRYPTO_LIBRARY
+        BORINGSSL_SSL_LIBRARY
+)
+
+set(CMAKE_FIND_LIBRARY_SUFFIXES ${_boringssl_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})

src/brpc/details/ssl_helper.cpp

@@ -17,6 +17,7 @@
 
 
 
+#include <openssl/bio.h>
 #ifndef USE_MESALINK
 
 #include <sys/socket.h>                // recv
@@ -212,7 +213,7 @@ void ExtractHostnames(X509* x, std::vector<std::string>* hostnames) {
     STACK_OF(GENERAL_NAME)* names = (STACK_OF(GENERAL_NAME)*)
             X509_get_ext_d2i(x, NID_subject_alt_name, NULL, NULL);
     if (names) {
-        for (int i = 0; i < sk_GENERAL_NAME_num(names); i++) {
+        for (size_t i = 0; i < static_cast<size_t>(sk_GENERAL_NAME_num(names)); i++) {
             char* str = NULL;
             GENERAL_NAME* name = sk_GENERAL_NAME_value(names, i);
             if (name->type == GEN_DNS) {
@@ -591,14 +592,18 @@ SSL* CreateSSLSession(SSL_CTX* ctx, SocketId id, int fd, bool server_mode) {
 }
 
 void AddBIOBuffer(SSL* ssl, int fd, int bufsize) {
-    BIO* rbio = BIO_new(BIO_f_buffer());
+#if defined(OPENSSL_IS_BORINGSSL)
+    BIO *rbio = BIO_new(BIO_s_mem());
+    BIO *wbio = BIO_new(BIO_s_mem());
+#else
+    BIO *rbio = BIO_new(BIO_f_buffer());
     BIO_set_buffer_size(rbio, bufsize);
+    BIO *wbio = BIO_new(BIO_f_buffer());
+    BIO_set_buffer_size(wbio, bufsize);
+#endif
     BIO* rfd = BIO_new(BIO_s_fd());
     BIO_set_fd(rfd, fd, 0);
     rbio  = BIO_push(rbio, rfd);
-
-    BIO* wbio = BIO_new(BIO_f_buffer());
-    BIO_set_buffer_size(wbio, bufsize);
     BIO* wfd = BIO_new(BIO_s_fd());
     BIO_set_fd(wfd, fd, 0);
     wbio = BIO_push(wbio, wfd);

src/brpc/server.cpp

@@ -2246,8 +2246,9 @@ bool Server::AcceptRequest(Controller* cntl) const {
 
 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
 int Server::SSLSwitchCTXByHostname(struct ssl_st* ssl,
-                                   int* al, Server* server) {
+                                   int* al, void* se) {
     (void)al;
+    Server* server = reinterpret_cast<Server*>(se);
     const char* hostname = SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
     bool strict_sni = server->_options.ssl_options().strict_sni;
     if (hostname == NULL) {

src/brpc/server.h

@@ -660,7 +660,7 @@ friend class Controller;
     void FreeSSLContexts();
 
     static int SSLSwitchCTXByHostname(struct ssl_st* ssl,
-                                      int* al, Server* server);
+                                      int* al, void* se);
 
     static bool AddCertMapping(CertMaps& bg, const SSLContext& ssl_ctx);
     static bool RemoveCertMapping(CertMaps& bg, const SSLContext& ssl_ctx);

src/butil/iobuf.cpp

@@ -38,6 +38,10 @@
 #include "butil/fd_guard.h"                 // butil::fd_guard
 #include "butil/iobuf.h"
 
+#if defined (OPENSSL_IS_BORINGSSL)
+#include "butil/ssl_compat.h"               // BIO_fd_non_fatal_error
+#endif
+
 namespace butil {
 namespace iobuf {
 
@@ -2151,7 +2155,7 @@ bool IOBufBytesIterator::forward_one_block(const void** data, size_t* size) {
     return true;
 }
 
-}  // namespace butil
+} // namespace butil
 
 void* fast_memcpy(void *__restrict dest, const void *__restrict src, size_t n) {
     return butil::iobuf::cp(dest, src, n);

src/butil/ssl_compat.h

@@ -21,7 +21,7 @@
 #include <openssl/ssl.h>
 #include <openssl/opensslv.h>
 
-/* Provide functions added in newer openssl but missing in older versions */
+/* Provide functions added in newer openssl but missing in older versions or boringssl */
 
 #if defined(__cplusplus) || __STDC_VERSION__ >= 199901L/*C99*/
 #define BRPC_INLINE inline
@@ -324,7 +324,7 @@ BRPC_INLINE int RSA_bits(const RSA *r) {
 
 #endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
 
-#if OPENSSL_VERSION_NUMBER < 0x0090801fL
+#if OPENSSL_VERSION_NUMBER < 0x0090801fL || defined (OPENSSL_IS_BORINGSSL)
 BRPC_INLINE BIGNUM* get_rfc2409_prime_1024(BIGNUM* bn) {
     static const unsigned char RFC2409_PRIME_1024[] = {
         0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC9,0x0F,0xDA,0xA2,
@@ -516,6 +516,39 @@ BRPC_INLINE int EVP_PKEY_base_id(const EVP_PKEY *pkey) {
     return EVP_PKEY_type(pkey->type);
 }
 
-#endif /* OPENSSL_VERSION_NUMBER < 0x0090801fL */
+#endif /* OPENSSL_VERSION_NUMBER < 0x0090801fL || OPENSSL_IS_BORINGSSL */
 
+#if defined(OPENSSL_IS_BORINGSSL)
+BRPC_INLINE int BIO_fd_non_fatal_error(int err) {
+    if (
+#ifdef EWOULDBLOCK
+        err == EWOULDBLOCK ||
+#endif
+#ifdef WSAEWOULDBLOCK
+        err == WSAEWOULDBLOCK ||
+#endif
+#ifdef ENOTCONN
+        err == ENOTCONN ||
+#endif
+#ifdef EINTR
+        err == EINTR ||
+#endif
+#ifdef EAGAIN
+        err == EAGAIN ||
+#endif
+#ifdef EPROTO
+        err == EPROTO ||
+#endif
+#ifdef EINPROGRESS
+        err == EINPROGRESS ||
+#endif
+#ifdef EALREADY
+        err == EALREADY ||
+#endif
+        0) {
+        return 1;
+    }
+    return 0;
+}
+#endif /*OPENSSL_IS_BORINGSSL*/
 #endif /* BUTIL_SSL_COMPAT_H */