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  { "-tls-d5-bug", &TestConfig::tls_d5_bug },
65  { "-expect-session-miss", &TestConfig::expect_session_miss },
66  { "-expect-extended-master-secret",
67    &TestConfig::expect_extended_master_secret },
68  { "-allow-unsafe-legacy-renegotiation",
69    &TestConfig::allow_unsafe_legacy_renegotiation },
70  { "-enable-ocsp-stapling", &TestConfig::enable_ocsp_stapling },
71  { "-enable-signed-cert-timestamps",
72    &TestConfig::enable_signed_cert_timestamps },
73  { "-fastradio-padding", &TestConfig::fastradio_padding },
74  { "-implicit-handshake", &TestConfig::implicit_handshake },
75  { "-use-early-callback", &TestConfig::use_early_callback },
76  { "-fail-early-callback", &TestConfig::fail_early_callback },
77  { "-install-ddos-callback", &TestConfig::install_ddos_callback },
78  { "-fail-ddos-callback", &TestConfig::fail_ddos_callback },
79  { "-fail-second-ddos-callback", &TestConfig::fail_second_ddos_callback },
80  { "-handshake-never-done", &TestConfig::handshake_never_done },
81  { "-use-export-context", &TestConfig::use_export_context },
82  { "-reject-peer-renegotiations", &TestConfig::reject_peer_renegotiations },
83  { "-no-legacy-server-connect", &TestConfig::no_legacy_server_connect },
84  { "-tls-unique", &TestConfig::tls_unique },
85};
86
87const Flag<std::string> kStringFlags[] = {
88  { "-key-file", &TestConfig::key_file },
89  { "-cert-file", &TestConfig::cert_file },
90  { "-expect-server-name", &TestConfig::expected_server_name },
91  { "-advertise-npn", &TestConfig::advertise_npn },
92  { "-expect-next-proto", &TestConfig::expected_next_proto },
93  { "-select-next-proto", &TestConfig::select_next_proto },
94  { "-send-channel-id", &TestConfig::send_channel_id },
95  { "-host-name", &TestConfig::host_name },
96  { "-advertise-alpn", &TestConfig::advertise_alpn },
97  { "-expect-alpn", &TestConfig::expected_alpn },
98  { "-expect-advertised-alpn", &TestConfig::expected_advertised_alpn },
99  { "-select-alpn", &TestConfig::select_alpn },
100  { "-psk", &TestConfig::psk },
101  { "-psk-identity", &TestConfig::psk_identity },
102  { "-srtp-profiles", &TestConfig::srtp_profiles },
103  { "-cipher", &TestConfig::cipher },
104  { "-export-label", &TestConfig::export_label },
105  { "-export-context", &TestConfig::export_context },
106};
107
108const Flag<std::string> kBase64Flags[] = {
109  { "-expect-certificate-types", &TestConfig::expected_certificate_types },
110  { "-expect-channel-id", &TestConfig::expected_channel_id },
111  { "-expect-ocsp-response", &TestConfig::expected_ocsp_response },
112  { "-expect-signed-cert-timestamps",
113    &TestConfig::expected_signed_cert_timestamps },
114};
115
116const Flag<int> kIntFlags[] = {
117  { "-port", &TestConfig::port },
118  { "-min-version", &TestConfig::min_version },
119  { "-max-version", &TestConfig::max_version },
120  { "-mtu", &TestConfig::mtu },
121  { "-export-keying-material", &TestConfig::export_keying_material },
122};
123
124}  // namespace
125
126bool ParseConfig(int argc, char **argv, TestConfig *out_config) {
127  for (int i = 0; i < argc; i++) {
128    bool *bool_field = FindField(out_config, kBoolFlags, argv[i]);
129    if (bool_field != NULL) {
130      *bool_field = true;
131      continue;
132    }
133
134    std::string *string_field = FindField(out_config, kStringFlags, argv[i]);
135    if (string_field != NULL) {
136      i++;
137      if (i >= argc) {
138        fprintf(stderr, "Missing parameter\n");
139        return false;
140      }
141      string_field->assign(argv[i]);
142      continue;
143    }
144
145    std::string *base64_field = FindField(out_config, kBase64Flags, argv[i]);
146    if (base64_field != NULL) {
147      i++;
148      if (i >= argc) {
149        fprintf(stderr, "Missing parameter\n");
150        return false;
151      }
152      size_t len;
153      if (!EVP_DecodedLength(&len, strlen(argv[i]))) {
154        fprintf(stderr, "Invalid base64: %s\n", argv[i]);
155      }
156      std::unique_ptr<uint8_t[]> decoded(new uint8_t[len]);
157      if (!EVP_DecodeBase64(decoded.get(), &len, len,
158                            reinterpret_cast<const uint8_t *>(argv[i]),
159                            strlen(argv[i]))) {
160        fprintf(stderr, "Invalid base64: %s\n", argv[i]);
161      }
162      base64_field->assign(reinterpret_cast<const char *>(decoded.get()), len);
163      continue;
164    }
165
166    int *int_field = FindField(out_config, kIntFlags, argv[i]);
167    if (int_field) {
168      i++;
169      if (i >= argc) {
170        fprintf(stderr, "Missing parameter\n");
171        return false;
172      }
173      *int_field = atoi(argv[i]);
174      continue;
175    }
176
177    fprintf(stderr, "Unknown argument: %s\n", argv[i]);
178    return false;
179  }
180
181  return true;
182}
183