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 <string.h>
18
19#include <memory>
20
21#include <openssl/base64.h>
22
23namespace {
24
25typedef bool TestConfig::*BoolMember;
26typedef std::string TestConfig::*StringMember;
27
28struct BoolFlag {
29  const char *flag;
30  BoolMember member;
31};
32
33struct StringFlag {
34  const char *flag;
35  StringMember member;
36};
37
38const BoolFlag kBoolFlags[] = {
39  { "-server", &TestConfig::is_server },
40  { "-dtls", &TestConfig::is_dtls },
41  { "-resume", &TestConfig::resume },
42  { "-fallback-scsv", &TestConfig::fallback_scsv },
43  { "-require-any-client-certificate",
44    &TestConfig::require_any_client_certificate },
45  { "-false-start", &TestConfig::false_start },
46  { "-async", &TestConfig::async },
47  { "-write-different-record-sizes",
48    &TestConfig::write_different_record_sizes },
49  { "-cbc-record-splitting", &TestConfig::cbc_record_splitting },
50  { "-partial-write", &TestConfig::partial_write },
51  { "-no-tls12", &TestConfig::no_tls12 },
52  { "-no-tls11", &TestConfig::no_tls11 },
53  { "-no-tls1", &TestConfig::no_tls1 },
54  { "-no-ssl3", &TestConfig::no_ssl3 },
55  { "-cookie-exchange", &TestConfig::cookie_exchange },
56  { "-shim-writes-first", &TestConfig::shim_writes_first },
57  { "-tls-d5-bug", &TestConfig::tls_d5_bug },
58  { "-expect-session-miss", &TestConfig::expect_session_miss },
59};
60
61const size_t kNumBoolFlags = sizeof(kBoolFlags) / sizeof(kBoolFlags[0]);
62
63const StringFlag kStringFlags[] = {
64  { "-key-file", &TestConfig::key_file },
65  { "-cert-file", &TestConfig::cert_file },
66  { "-expect-server-name", &TestConfig::expected_server_name },
67  { "-advertise-npn", &TestConfig::advertise_npn },
68  { "-expect-next-proto", &TestConfig::expected_next_proto },
69  { "-select-next-proto", &TestConfig::select_next_proto },
70  { "-send-channel-id", &TestConfig::send_channel_id },
71  { "-host-name", &TestConfig::host_name },
72  { "-advertise-alpn", &TestConfig::advertise_alpn },
73  { "-expect-alpn", &TestConfig::expected_alpn },
74  { "-expect-advertised-alpn", &TestConfig::expected_advertised_alpn },
75  { "-select-alpn", &TestConfig::select_alpn },
76};
77
78const size_t kNumStringFlags = sizeof(kStringFlags) / sizeof(kStringFlags[0]);
79
80const StringFlag kBase64Flags[] = {
81  { "-expect-certificate-types", &TestConfig::expected_certificate_types },
82  { "-expect-channel-id", &TestConfig::expected_channel_id },
83};
84
85const size_t kNumBase64Flags = sizeof(kBase64Flags) / sizeof(kBase64Flags[0]);
86
87}  // namespace
88
89TestConfig::TestConfig()
90    : is_server(false),
91      is_dtls(false),
92      resume(false),
93      fallback_scsv(false),
94      require_any_client_certificate(false),
95      false_start(false),
96      async(false),
97      write_different_record_sizes(false),
98      cbc_record_splitting(false),
99      partial_write(false),
100      no_tls12(false),
101      no_tls11(false),
102      no_tls1(false),
103      no_ssl3(false),
104      cookie_exchange(false),
105      shim_writes_first(false),
106      tls_d5_bug(false),
107      expect_session_miss(false) {
108}
109
110bool ParseConfig(int argc, char **argv, TestConfig *out_config) {
111  for (int i = 0; i < argc; i++) {
112    size_t j;
113    for (j = 0; j < kNumBoolFlags; j++) {
114      if (strcmp(argv[i], kBoolFlags[j].flag) == 0) {
115        break;
116      }
117    }
118    if (j < kNumBoolFlags) {
119      out_config->*(kBoolFlags[j].member) = true;
120      continue;
121    }
122
123    for (j = 0; j < kNumStringFlags; j++) {
124      if (strcmp(argv[i], kStringFlags[j].flag) == 0) {
125        break;
126      }
127    }
128    if (j < kNumStringFlags) {
129      i++;
130      if (i >= argc) {
131        fprintf(stderr, "Missing parameter\n");
132        return false;
133      }
134      out_config->*(kStringFlags[j].member) = argv[i];
135      continue;
136    }
137
138    for (j = 0; j < kNumBase64Flags; j++) {
139      if (strcmp(argv[i], kBase64Flags[j].flag) == 0) {
140        break;
141      }
142    }
143    if (j < kNumBase64Flags) {
144      i++;
145      if (i >= argc) {
146        fprintf(stderr, "Missing parameter\n");
147        return false;
148      }
149      size_t len;
150      if (!EVP_DecodedLength(&len, strlen(argv[i]))) {
151        fprintf(stderr, "Invalid base64: %s\n", argv[i]);
152      }
153      std::unique_ptr<uint8_t[]> decoded(new uint8_t[len]);
154      if (!EVP_DecodeBase64(decoded.get(), &len, len,
155                            reinterpret_cast<const uint8_t *>(argv[i]),
156                            strlen(argv[i]))) {
157        fprintf(stderr, "Invalid base64: %s\n", argv[i]);
158      }
159      out_config->*(kBase64Flags[j].member) = std::string(
160          reinterpret_cast<const char *>(decoded.get()), len);
161      continue;
162    }
163
164    fprintf(stderr, "Unknown argument: %s\n", argv[i]);
165    return false;
166  }
167
168  return true;
169}
170