Move configuration into a dedicated TestConfig struct.

This removes some duplicate code in parsing command-line flags and, more
importantly, makes configuration available when constructing the SSL_CTX and
avoids a number of globals.

Change-Id: I26e2d2285b732f855a2c82752bc8e0db480c3b30
Reviewed-on: https://boringssl-review.googlesource.com/1502
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/test/CMakeLists.txt b/ssl/test/CMakeLists.txt
index 22c6619..5cb7e80 100644
--- a/ssl/test/CMakeLists.txt
+++ b/ssl/test/CMakeLists.txt
@@ -5,6 +5,7 @@
 
 	async_bio.cc
 	bssl_shim.cc
+	test_config.cc
 )
 
 target_link_libraries(bssl_shim ssl crypto)
diff --git a/ssl/test/bssl_shim.cc b/ssl/test/bssl_shim.cc
index 04c1a4e..19c5f83 100644
--- a/ssl/test/bssl_shim.cc
+++ b/ssl/test/bssl_shim.cc
@@ -29,20 +29,32 @@
 #include <openssl/ssl.h>
 
 #include "async_bio.h"
+#include "test_config.h"
 
 static int usage(const char *program) {
-  fprintf(stderr, "Usage: %s (client|server) (normal|resume) [flags...]\n",
+  fprintf(stderr, "Usage: %s [flags...]\n",
           program);
   return 1;
 }
 
-static const char *expected_server_name = NULL;
+static int g_ex_data_index = 0;
+
+static void SetConfigPtr(SSL *ssl, const TestConfig *config) {
+  SSL_set_ex_data(ssl, g_ex_data_index, (void *)config);
+}
+
+static const TestConfig *GetConfigPtr(SSL *ssl) {
+  return (const TestConfig *)SSL_get_ex_data(ssl, g_ex_data_index);
+}
+
 static int early_callback_called = 0;
 
 static int select_certificate_callback(const struct ssl_early_callback_ctx *ctx) {
   early_callback_called = 1;
 
-  if (!expected_server_name) {
+  const TestConfig *config = GetConfigPtr(ctx->ssl);
+
+  if (config->expected_server_name.empty()) {
     return 1;
   }
 
@@ -69,8 +81,9 @@
     return -1;
   }
 
-  if (!CBS_mem_equal(&host_name, (const uint8_t*)expected_server_name,
-                     strlen(expected_server_name))) {
+  if (!CBS_mem_equal(&host_name,
+                     (const uint8_t*)config->expected_server_name.data(),
+                     config->expected_server_name.size())) {
     fprintf(stderr, "Server name mismatch.\n");
   }
 
@@ -81,48 +94,42 @@
   return 1;
 }
 
-static const char *advertise_npn = NULL;
-
 static int next_protos_advertised_callback(SSL *ssl,
                                            const uint8_t **out,
                                            unsigned int *out_len,
                                            void *arg) {
-  if (!advertise_npn)
+  const TestConfig *config = GetConfigPtr(ssl);
+  if (config->advertise_npn.empty())
     return SSL_TLSEXT_ERR_NOACK;
 
   // TODO(davidben): Support passing byte strings with NULs to the
   // test shim.
-  *out = (const uint8_t*)advertise_npn;
-  *out_len = strlen(advertise_npn);
+  *out = (const uint8_t*)config->advertise_npn.data();
+  *out_len = config->advertise_npn.size();
   return SSL_TLSEXT_ERR_OK;
 }
 
-static const char *select_next_proto = NULL;
-
 static int next_proto_select_callback(SSL* ssl,
                                       uint8_t** out,
                                       uint8_t* outlen,
                                       const uint8_t* in,
                                       unsigned inlen,
                                       void* arg) {
-  if (!select_next_proto)
+  const TestConfig *config = GetConfigPtr(ssl);
+  if (config->select_next_proto.empty())
     return SSL_TLSEXT_ERR_NOACK;
 
-  *out = (uint8_t*)select_next_proto;
-  *outlen = strlen(select_next_proto);
+  *out = (uint8_t*)config->select_next_proto.data();
+  *outlen = config->select_next_proto.size();
   return SSL_TLSEXT_ERR_OK;
 }
 
-static SSL_CTX *setup_ctx(int is_server) {
-  if (!SSL_library_init()) {
-    return NULL;
-  }
-
+static SSL_CTX *setup_ctx(const TestConfig *config) {
   SSL_CTX *ssl_ctx = NULL;
   DH *dh = NULL;
 
   ssl_ctx = SSL_CTX_new(
-      is_server ? SSLv23_server_method() : SSLv23_client_method());
+      config->is_server ? SSLv23_server_method() : SSLv23_client_method());
   if (ssl_ctx == NULL) {
     goto err;
   }
@@ -182,18 +189,11 @@
 
 static int do_exchange(SSL_SESSION **out_session,
                        SSL_CTX *ssl_ctx,
-                       int argc,
-                       char **argv,
-                       int is_server,
-                       int is_resume,
+                       const TestConfig *config,
+                       bool is_resume,
                        int fd,
                        SSL_SESSION *session) {
-  bool async = false, write_different_record_sizes = false;
-  const char *expected_certificate_types = NULL;
-  const char *expected_next_proto = NULL;
-  expected_server_name = NULL;
   early_callback_called = 0;
-  advertise_npn = NULL;
 
   SSL *ssl = SSL_new(ssl_ctx);
   if (ssl == NULL) {
@@ -201,101 +201,60 @@
     return 1;
   }
 
-  for (int i = 0; i < argc; i++) {
-    if (strcmp(argv[i], "-fallback-scsv") == 0) {
-      if (!SSL_enable_fallback_scsv(ssl)) {
-        BIO_print_errors_fp(stdout);
-        return 1;
-      }
-    } else if (strcmp(argv[i], "-key-file") == 0) {
-      i++;
-      if (i >= argc) {
-        fprintf(stderr, "Missing parameter\n");
-        return 1;
-      }
-      if (!SSL_use_PrivateKey_file(ssl, argv[i], SSL_FILETYPE_PEM)) {
-        BIO_print_errors_fp(stdout);
-        return 1;
-      }
-    } else if (strcmp(argv[i], "-cert-file") == 0) {
-      i++;
-      if (i >= argc) {
-        fprintf(stderr, "Missing parameter\n");
-        return 1;
-      }
-      if (!SSL_use_certificate_file(ssl, argv[i], SSL_FILETYPE_PEM)) {
-        BIO_print_errors_fp(stdout);
-        return 1;
-      }
-    } else if (strcmp(argv[i], "-expect-server-name") == 0) {
-      i++;
-      if (i >= argc) {
-        fprintf(stderr, "Missing parameter\n");
-        return 1;
-      }
-      expected_server_name = argv[i];
-    } else if (strcmp(argv[i], "-expect-certificate-types") == 0) {
-      i++;
-      if (i >= argc) {
-        fprintf(stderr, "Missing parameter\n");
-        return 1;
-      }
-      // Conveniently, 00 is not a certificate type.
-      expected_certificate_types = argv[i];
-    } else if (strcmp(argv[i], "-require-any-client-certificate") == 0) {
-      SSL_set_verify(ssl, SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
-                     skip_verify);
-    } else if (strcmp(argv[i], "-advertise-npn") == 0) {
-      i++;
-      if (i >= argc) {
-        fprintf(stderr, "Missing parameter\n");
-        return 1;
-      }
-      advertise_npn = argv[i];
-    } else if (strcmp(argv[i], "-expect-next-proto") == 0) {
-      i++;
-      if (i >= argc) {
-        fprintf(stderr, "Missing parameter\n");
-        return 1;
-      }
-      expected_next_proto = argv[i];
-    } else if (strcmp(argv[i], "-false-start") == 0) {
-      SSL_set_mode(ssl, SSL_MODE_HANDSHAKE_CUTTHROUGH);
-    } else if (strcmp(argv[i], "-select-next-proto") == 0) {
-      i++;
-      if (i >= argc) {
-        fprintf(stderr, "Missing parameter\n");
-        return 1;
-      }
-      select_next_proto = argv[i];
-    } else if (strcmp(argv[i], "-async") == 0) {
-      async = true;
-    } else if (strcmp(argv[i], "-write-different-record-sizes") == 0) {
-      write_different_record_sizes = true;
-    } else if (strcmp(argv[i], "-cbc-record-splitting") == 0) {
-      SSL_set_mode(ssl, SSL_MODE_CBC_RECORD_SPLITTING);
-    } else if (strcmp(argv[i], "-partial-write") == 0) {
-      SSL_set_mode(ssl, SSL_MODE_ENABLE_PARTIAL_WRITE);
-    } else if (strcmp(argv[i], "-no-tls12") == 0) {
-      SSL_set_options(ssl, SSL_OP_NO_TLSv1_2);
-    } else if (strcmp(argv[i], "-no-tls11") == 0) {
-      SSL_set_options(ssl, SSL_OP_NO_TLSv1_1);
-    } else if (strcmp(argv[i], "-no-tls1") == 0) {
-      SSL_set_options(ssl, SSL_OP_NO_TLSv1);
-    } else if (strcmp(argv[i], "-no-ssl3") == 0) {
-      SSL_set_options(ssl, SSL_OP_NO_SSLv3);
-    } else {
-      fprintf(stderr, "Unknown argument: %s\n", argv[i]);
+  SetConfigPtr(ssl, config);
+
+  if (config->fallback_scsv) {
+    if (!SSL_enable_fallback_scsv(ssl)) {
+      BIO_print_errors_fp(stdout);
       return 1;
     }
   }
+  if (!config->key_file.empty()) {
+    if (!SSL_use_PrivateKey_file(ssl, config->key_file.c_str(),
+                                 SSL_FILETYPE_PEM)) {
+      BIO_print_errors_fp(stdout);
+      return 1;
+    }
+  }
+  if (!config->cert_file.empty()) {
+    if (!SSL_use_certificate_file(ssl, config->cert_file.c_str(),
+                                  SSL_FILETYPE_PEM)) {
+      BIO_print_errors_fp(stdout);
+      return 1;
+    }
+  }
+  if (config->require_any_client_certificate) {
+    SSL_set_verify(ssl, SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
+                   skip_verify);
+  }
+  if (config->false_start) {
+    SSL_set_mode(ssl, SSL_MODE_HANDSHAKE_CUTTHROUGH);
+  }
+  if (config->cbc_record_splitting) {
+    SSL_set_mode(ssl, SSL_MODE_CBC_RECORD_SPLITTING);
+  }
+  if (config->partial_write) {
+    SSL_set_mode(ssl, SSL_MODE_ENABLE_PARTIAL_WRITE);
+  }
+  if (config->no_tls12) {
+    SSL_set_options(ssl, SSL_OP_NO_TLSv1_2);
+  }
+  if (config->no_tls11) {
+    SSL_set_options(ssl, SSL_OP_NO_TLSv1_1);
+  }
+  if (config->no_tls1) {
+    SSL_set_options(ssl, SSL_OP_NO_TLSv1);
+  }
+  if (config->no_ssl3) {
+    SSL_set_options(ssl, SSL_OP_NO_SSLv3);
+  }
 
   BIO *bio = BIO_new_fd(fd, 1 /* take ownership */);
   if (bio == NULL) {
     BIO_print_errors_fp(stdout);
     return 1;
   }
-  if (async) {
+  if (config->async) {
     BIO *async = async_bio_create();
     BIO_push(async, bio);
     bio = async;
@@ -311,12 +270,12 @@
 
   int ret;
   do {
-    if (is_server) {
+    if (config->is_server) {
       ret = SSL_accept(ssl);
     } else {
       ret = SSL_connect(ssl);
     }
-  } while (async && retry_async(ssl, ret, bio));
+  } while (config->async && retry_async(ssl, ret, bio));
   if (ret != 1) {
     SSL_free(ssl);
     BIO_print_errors_fp(stdout);
@@ -328,12 +287,12 @@
     return 2;
   }
 
-  if (expected_server_name) {
+  if (!config->expected_server_name.empty()) {
     const char *server_name =
         SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
-    if (strcmp(server_name, expected_server_name) != 0) {
+    if (server_name != config->expected_server_name) {
       fprintf(stderr, "servername mismatch (got %s; want %s)\n",
-              server_name, expected_server_name);
+              server_name, config->expected_server_name.c_str());
       return 2;
     }
 
@@ -343,31 +302,33 @@
     }
   }
 
-  if (expected_certificate_types) {
+  if (!config->expected_certificate_types.empty()) {
     uint8_t *certificate_types;
     int num_certificate_types =
       SSL_get0_certificate_types(ssl, &certificate_types);
-    if (num_certificate_types != (int)strlen(expected_certificate_types) ||
+    if (num_certificate_types !=
+        (int)config->expected_certificate_types.size() ||
         memcmp(certificate_types,
-               expected_certificate_types,
+               config->expected_certificate_types.data(),
                num_certificate_types) != 0) {
       fprintf(stderr, "certificate types mismatch\n");
       return 2;
     }
   }
 
-  if (expected_next_proto) {
+  if (!config->expected_next_proto.empty()) {
     const uint8_t *next_proto;
     unsigned next_proto_len;
     SSL_get0_next_proto_negotiated(ssl, &next_proto, &next_proto_len);
-    if (next_proto_len != strlen(expected_next_proto) ||
-        memcmp(next_proto, expected_next_proto, next_proto_len) != 0) {
+    if (next_proto_len != config->expected_next_proto.size() ||
+        memcmp(next_proto, config->expected_next_proto.data(),
+               next_proto_len) != 0) {
       fprintf(stderr, "negotiated next proto mismatch\n");
       return 2;
     }
   }
 
-  if (write_different_record_sizes) {
+  if (config->write_different_record_sizes) {
     // This mode writes a number of different record sizes in an attempt to
     // trip up the CBC record splitting code.
     uint8_t buf[32769];
@@ -390,7 +351,8 @@
         if (w > 0) {
           off += (size_t) w;
         }
-      } while ((async && retry_async(ssl, w, bio)) || (w > 0 && off < len));
+      } while ((config->async && retry_async(ssl, w, bio)) ||
+               (w > 0 && off < len));
 
       if (w < 0 || off != len) {
         SSL_free(ssl);
@@ -404,7 +366,7 @@
       int n;
       do {
         n = SSL_read(ssl, buf, sizeof(buf));
-      } while (async && retry_async(ssl, n, bio));
+      } while (config->async && retry_async(ssl, n, bio));
       if (n < 0) {
         SSL_free(ssl);
         BIO_print_errors_fp(stdout);
@@ -418,7 +380,7 @@
         int w;
         do {
           w = SSL_write(ssl, buf, n);
-        } while (async && retry_async(ssl, w, bio));
+        } while (config->async && retry_async(ssl, w, bio));
         if (w != n) {
           SSL_free(ssl);
           BIO_print_errors_fp(stdout);
@@ -438,33 +400,21 @@
 }
 
 int main(int argc, char **argv) {
-  int is_server, resume;
-
 #if !defined(OPENSSL_WINDOWS)
   signal(SIGPIPE, SIG_IGN);
 #endif
 
-  if (argc < 3) {
+  if (!SSL_library_init()) {
+    return 1;
+  }
+  g_ex_data_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
+
+  TestConfig config;
+  if (!ParseConfig(argc - 1, argv + 1, &config)) {
     return usage(argv[0]);
   }
 
-  if (strcmp(argv[1], "client") == 0) {
-    is_server = 0;
-  } else if (strcmp(argv[1], "server") == 0) {
-    is_server = 1;
-  } else {
-    return usage(argv[0]);
-  }
-
-  if (strcmp(argv[2], "normal") == 0) {
-    resume = 0;
-  } else if (strcmp(argv[2], "resume") == 0) {
-    resume = 1;
-  } else {
-    return usage(argv[0]);
-  }
-
-  SSL_CTX *ssl_ctx = setup_ctx(is_server);
+  SSL_CTX *ssl_ctx = setup_ctx(&config);
   if (ssl_ctx == NULL) {
     BIO_print_errors_fp(stdout);
     return 1;
@@ -472,20 +422,19 @@
 
   SSL_SESSION *session;
   int ret = do_exchange(&session,
-                        ssl_ctx,
-                        argc - 3, argv + 3,
-                        is_server, 0 /* is_resume */,
+                        ssl_ctx, &config,
+                        false /* is_resume */,
                         3 /* fd */, NULL /* session */);
   if (ret != 0) {
     return ret;
   }
 
-  if (resume) {
+  if (config.resume) {
     int ret = do_exchange(NULL,
-                          ssl_ctx, argc - 3, argv + 3,
-                          is_server, 1 /* is_resume */,
+                          ssl_ctx, &config,
+                          true /* is_resume */,
                           4 /* fd */,
-                          is_server ? NULL : session);
+                          config.is_server ? NULL : session);
     if (ret != 0) {
       return ret;
     }
diff --git a/ssl/test/runner/runner.go b/ssl/test/runner/runner.go
index 57bcf87..4fd5a1d 100644
--- a/ssl/test/runner/runner.go
+++ b/ssl/test/runner/runner.go
@@ -549,20 +549,10 @@
 	shimEndResume, connResume := openSocketPair()
 
 	shim_path := path.Join(buildDir, "ssl/test/bssl_shim")
-	flags := []string{}
-	if test.testType == clientTest {
-		flags = append(flags, "client")
-	} else {
-		flags = append(flags, "server")
-	}
-
-	if test.resumeSession {
-		flags = append(flags, "resume")
-	} else {
-		flags = append(flags, "normal")
-	}
-
+	var flags []string
 	if test.testType == serverTest {
+		flags = append(flags, "-server")
+
 		flags = append(flags, "-key-file")
 		if test.keyFile == "" {
 			flags = append(flags, rsaKeyFile)
@@ -577,6 +567,11 @@
 			flags = append(flags, test.certFile)
 		}
 	}
+
+	if test.resumeSession {
+		flags = append(flags, "-resume")
+	}
+
 	flags = append(flags, test.flags...)
 
 	var shim *exec.Cmd
diff --git a/ssl/test/test_config.cc b/ssl/test/test_config.cc
new file mode 100644
index 0000000..b25f7e6
--- /dev/null
+++ b/ssl/test/test_config.cc
@@ -0,0 +1,121 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include "test_config.h"
+
+#include <string.h>
+
+
+namespace {
+
+typedef bool TestConfig::*BoolMember;
+typedef std::string TestConfig::*StringMember;
+
+struct BoolFlag {
+  const char *flag;
+  BoolMember member;
+};
+
+struct StringFlag {
+  const char *flag;
+  StringMember member;
+};
+
+const BoolFlag kBoolFlags[] = {
+  { "-server", &TestConfig::is_server },
+  { "-resume", &TestConfig::resume },
+  { "-fallback-scsv", &TestConfig::fallback_scsv },
+  { "-require-any-client-certificate",
+    &TestConfig::require_any_client_certificate },
+  { "-false-start", &TestConfig::false_start },
+  { "-async", &TestConfig::async },
+  { "-write-different-record-sizes",
+    &TestConfig::write_different_record_sizes },
+  { "-cbc-record-splitting", &TestConfig::cbc_record_splitting },
+  { "-partial-write", &TestConfig::partial_write },
+  { "-no-tls12", &TestConfig::no_tls12 },
+  { "-no-tls11", &TestConfig::no_tls11 },
+  { "-no-tls1", &TestConfig::no_tls1 },
+  { "-no-ssl3", &TestConfig::no_ssl3 },
+};
+
+const size_t kNumBoolFlags = sizeof(kBoolFlags) / sizeof(kBoolFlags[0]);
+
+// TODO(davidben): Some of these should be in a new kBase64Flags to allow NUL
+// bytes.
+const StringFlag kStringFlags[] = {
+  { "-key-file", &TestConfig::key_file },
+  { "-cert-file", &TestConfig::cert_file },
+  { "-expect-server-name", &TestConfig::expected_server_name },
+  // Conveniently, 00 is not a certificate type.
+  { "-expect-certificate-types", &TestConfig::expected_certificate_types },
+  { "-advertise-npn", &TestConfig::advertise_npn },
+  { "-expect-next-proto", &TestConfig::expected_next_proto },
+  { "-select-next-proto", &TestConfig::select_next_proto },
+};
+
+const size_t kNumStringFlags = sizeof(kStringFlags) / sizeof(kStringFlags[0]);
+
+}  // namespace
+
+TestConfig::TestConfig()
+    : is_server(false),
+      resume(false),
+      fallback_scsv(false),
+      require_any_client_certificate(false),
+      false_start(false),
+      async(false),
+      write_different_record_sizes(false),
+      cbc_record_splitting(false),
+      partial_write(false),
+      no_tls12(false),
+      no_tls11(false),
+      no_tls1(false),
+      no_ssl3(false) {
+}
+
+bool ParseConfig(int argc, char **argv, TestConfig *out_config) {
+  for (int i = 0; i < argc; i++) {
+    size_t j;
+    for (j = 0; j < kNumBoolFlags; j++) {
+      if (strcmp(argv[i], kBoolFlags[j].flag) == 0) {
+        break;
+      }
+    }
+    if (j < kNumBoolFlags) {
+      out_config->*(kBoolFlags[j].member) = true;
+      continue;
+    }
+
+    for (j = 0; j < kNumStringFlags; j++) {
+      if (strcmp(argv[i], kStringFlags[j].flag) == 0) {
+        break;
+      }
+    }
+    if (j < kNumStringFlags) {
+      i++;
+      if (i >= argc) {
+        fprintf(stderr, "Missing parameter\n");
+        return false;
+      }
+      out_config->*(kStringFlags[j].member) = argv[i];
+      continue;
+    }
+
+    fprintf(stderr, "Unknown argument: %s\n", argv[i]);
+    return false;
+  }
+
+  return true;
+}
diff --git a/ssl/test/test_config.h b/ssl/test/test_config.h
new file mode 100644
index 0000000..558d033
--- /dev/null
+++ b/ssl/test/test_config.h
@@ -0,0 +1,49 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#ifndef HEADER_TEST_CONFIG
+#define HEADER_TEST_CONFIG
+
+#include <string>
+
+
+struct TestConfig {
+  TestConfig();
+
+  bool is_server;
+  bool resume;
+  bool fallback_scsv;
+  std::string key_file;
+  std::string cert_file;
+  std::string expected_server_name;
+  std::string expected_certificate_types;
+  bool require_any_client_certificate;
+  std::string advertise_npn;
+  std::string expected_next_proto;
+  bool false_start;
+  std::string select_next_proto;
+  bool async;
+  bool write_different_record_sizes;
+  bool cbc_record_splitting;
+  bool partial_write;
+  bool no_tls12;
+  bool no_tls11;
+  bool no_tls1;
+  bool no_ssl3;
+};
+
+bool ParseConfig(int argc, char **argv, TestConfig *out_config);
+
+
+#endif  // HEADER_TEST_CONFIG