1/* Copyright (c) 2014, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15#include "test_config.h"
16
17#include <stdio.h>
18#include <stdlib.h>
19#include <string.h>
20
21#include <memory>
22
23#include <openssl/base64.h>
24
25namespace {
26
27template <typename T>
28struct Flag {
29  const char *flag;
30  T TestConfig::*member;
31};
32
33// FindField looks for the flag in |flags| that matches |flag|. If one is found,
34// it returns a pointer to the corresponding field in |config|. Otherwise, it
35// returns NULL.
36template<typename T, size_t N>
37T *FindField(TestConfig *config, const Flag<T> (&flags)[N], const char *flag) {
38  for (size_t i = 0; i < N; i++) {
39    if (strcmp(flag, flags[i].flag) == 0) {
40      return &(config->*(flags[i].member));
41    }
42  }
43  return NULL;
44}
45
46const Flag<bool> kBoolFlags[] = {
47  { "-server", &TestConfig::is_server },
48  { "-dtls", &TestConfig::is_dtls },
49  { "-resume", &TestConfig::resume },
50  { "-fallback-scsv", &TestConfig::fallback_scsv },
51  { "-require-any-client-certificate",
52    &TestConfig::require_any_client_certificate },
53  { "-false-start", &TestConfig::false_start },
54  { "-async", &TestConfig::async },
55  { "-write-different-record-sizes",
56    &TestConfig::write_different_record_sizes },
57  { "-cbc-record-splitting", &TestConfig::cbc_record_splitting },
58  { "-partial-write", &TestConfig::partial_write },
59  { "-no-tls12", &TestConfig::no_tls12 },
60  { "-no-tls11", &TestConfig::no_tls11 },
61  { "-no-tls1", &TestConfig::no_tls1 },
62  { "-no-ssl3", &TestConfig::no_ssl3 },
63  { "-shim-writes-first", &TestConfig::shim_writes_first },
64  { "-expect-session-miss", &TestConfig::expect_session_miss },
65  { "-expect-extended-master-secret",
66    &TestConfig::expect_extended_master_secret },
67  { "-enable-ocsp-stapling", &TestConfig::enable_ocsp_stapling },
68  { "-enable-signed-cert-timestamps",
69    &TestConfig::enable_signed_cert_timestamps },
70  { "-implicit-handshake", &TestConfig::implicit_handshake },
71  { "-use-early-callback", &TestConfig::use_early_callback },
72  { "-fail-early-callback", &TestConfig::fail_early_callback },
73  { "-install-ddos-callback", &TestConfig::install_ddos_callback },
74  { "-fail-ddos-callback", &TestConfig::fail_ddos_callback },
75  { "-fail-second-ddos-callback", &TestConfig::fail_second_ddos_callback },
76  { "-handshake-never-done", &TestConfig::handshake_never_done },
77  { "-use-export-context", &TestConfig::use_export_context },
78  { "-tls-unique", &TestConfig::tls_unique },
79  { "-expect-ticket-renewal", &TestConfig::expect_ticket_renewal },
80  { "-expect-no-session", &TestConfig::expect_no_session },
81  { "-use-ticket-callback", &TestConfig::use_ticket_callback },
82  { "-renew-ticket", &TestConfig::renew_ticket },
83  { "-enable-client-custom-extension",
84    &TestConfig::enable_client_custom_extension },
85  { "-enable-server-custom-extension",
86    &TestConfig::enable_server_custom_extension },
87  { "-custom-extension-skip", &TestConfig::custom_extension_skip },
88  { "-custom-extension-fail-add", &TestConfig::custom_extension_fail_add },
89  { "-check-close-notify", &TestConfig::check_close_notify },
90  { "-shim-shuts-down", &TestConfig::shim_shuts_down },
91  { "-verify-fail", &TestConfig::verify_fail },
92  { "-verify-peer", &TestConfig::verify_peer },
93  { "-expect-verify-result", &TestConfig::expect_verify_result },
94  { "-renegotiate-once", &TestConfig::renegotiate_once },
95  { "-renegotiate-freely", &TestConfig::renegotiate_freely },
96  { "-renegotiate-ignore", &TestConfig::renegotiate_ignore },
97  { "-disable-npn", &TestConfig::disable_npn },
98  { "-p384-only", &TestConfig::p384_only },
99  { "-enable-all-curves", &TestConfig::enable_all_curves },
100  { "-use-sparse-dh-prime", &TestConfig::use_sparse_dh_prime },
101};
102
103const Flag<std::string> kStringFlags[] = {
104  { "-digest-prefs", &TestConfig::digest_prefs },
105  { "-key-file", &TestConfig::key_file },
106  { "-cert-file", &TestConfig::cert_file },
107  { "-expect-server-name", &TestConfig::expected_server_name },
108  { "-advertise-npn", &TestConfig::advertise_npn },
109  { "-expect-next-proto", &TestConfig::expected_next_proto },
110  { "-select-next-proto", &TestConfig::select_next_proto },
111  { "-send-channel-id", &TestConfig::send_channel_id },
112  { "-host-name", &TestConfig::host_name },
113  { "-advertise-alpn", &TestConfig::advertise_alpn },
114  { "-expect-alpn", &TestConfig::expected_alpn },
115  { "-expect-advertised-alpn", &TestConfig::expected_advertised_alpn },
116  { "-select-alpn", &TestConfig::select_alpn },
117  { "-psk", &TestConfig::psk },
118  { "-psk-identity", &TestConfig::psk_identity },
119  { "-srtp-profiles", &TestConfig::srtp_profiles },
120  { "-cipher", &TestConfig::cipher },
121  { "-cipher-tls10", &TestConfig::cipher_tls10 },
122  { "-cipher-tls11", &TestConfig::cipher_tls11 },
123  { "-export-label", &TestConfig::export_label },
124  { "-export-context", &TestConfig::export_context },
125};
126
127const Flag<std::string> kBase64Flags[] = {
128  { "-expect-certificate-types", &TestConfig::expected_certificate_types },
129  { "-expect-channel-id", &TestConfig::expected_channel_id },
130  { "-expect-ocsp-response", &TestConfig::expected_ocsp_response },
131  { "-expect-signed-cert-timestamps",
132    &TestConfig::expected_signed_cert_timestamps },
133  { "-ocsp-response", &TestConfig::ocsp_response },
134  { "-signed-cert-timestamps", &TestConfig::signed_cert_timestamps },
135};
136
137const Flag<int> kIntFlags[] = {
138  { "-port", &TestConfig::port },
139  { "-min-version", &TestConfig::min_version },
140  { "-max-version", &TestConfig::max_version },
141  { "-mtu", &TestConfig::mtu },
142  { "-export-keying-material", &TestConfig::export_keying_material },
143  { "-expect-total-renegotiations", &TestConfig::expect_total_renegotiations },
144  { "-expect-server-key-exchange-hash",
145    &TestConfig::expect_server_key_exchange_hash },
146  { "-expect-key-exchange-info",
147    &TestConfig::expect_key_exchange_info },
148};
149
150}  // namespace
151
152bool ParseConfig(int argc, char **argv, TestConfig *out_config) {
153  for (int i = 0; i < argc; i++) {
154    bool *bool_field = FindField(out_config, kBoolFlags, argv[i]);
155    if (bool_field != NULL) {
156      *bool_field = true;
157      continue;
158    }
159
160    std::string *string_field = FindField(out_config, kStringFlags, argv[i]);
161    if (string_field != NULL) {
162      i++;
163      if (i >= argc) {
164        fprintf(stderr, "Missing parameter\n");
165        return false;
166      }
167      string_field->assign(argv[i]);
168      continue;
169    }
170
171    std::string *base64_field = FindField(out_config, kBase64Flags, argv[i]);
172    if (base64_field != NULL) {
173      i++;
174      if (i >= argc) {
175        fprintf(stderr, "Missing parameter\n");
176        return false;
177      }
178      size_t len;
179      if (!EVP_DecodedLength(&len, strlen(argv[i]))) {
180        fprintf(stderr, "Invalid base64: %s\n", argv[i]);
181      }
182      std::unique_ptr<uint8_t[]> decoded(new uint8_t[len]);
183      if (!EVP_DecodeBase64(decoded.get(), &len, len,
184                            reinterpret_cast<const uint8_t *>(argv[i]),
185                            strlen(argv[i]))) {
186        fprintf(stderr, "Invalid base64: %s\n", argv[i]);
187      }
188      base64_field->assign(reinterpret_cast<const char *>(decoded.get()), len);
189      continue;
190    }
191
192    int *int_field = FindField(out_config, kIntFlags, argv[i]);
193    if (int_field) {
194      i++;
195      if (i >= argc) {
196        fprintf(stderr, "Missing parameter\n");
197        return false;
198      }
199      *int_field = atoi(argv[i]);
200      continue;
201    }
202
203    fprintf(stderr, "Unknown argument: %s\n", argv[i]);
204    return false;
205  }
206
207  return true;
208}
209