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 
25 namespace {
26 
27 template <typename T>
28 struct 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.
36 template<typename T, size_t N>
FindField(TestConfig * config,const Flag<T> (& flags)[N],const char * flag)37 T *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 
46 const Flag<bool> kBoolFlags[] = {
47   { "-server", &TestConfig::is_server },
48   { "-dtls", &TestConfig::is_dtls },
49   { "-fallback-scsv", &TestConfig::fallback_scsv },
50   { "-require-any-client-certificate",
51     &TestConfig::require_any_client_certificate },
52   { "-false-start", &TestConfig::false_start },
53   { "-async", &TestConfig::async },
54   { "-write-different-record-sizes",
55     &TestConfig::write_different_record_sizes },
56   { "-cbc-record-splitting", &TestConfig::cbc_record_splitting },
57   { "-partial-write", &TestConfig::partial_write },
58   { "-no-tls13", &TestConfig::no_tls13 },
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   { "-enable-channel-id", &TestConfig::enable_channel_id },
64   { "-shim-writes-first", &TestConfig::shim_writes_first },
65   { "-expect-session-miss", &TestConfig::expect_session_miss },
66   { "-decline-alpn", &TestConfig::decline_alpn },
67   { "-expect-extended-master-secret",
68     &TestConfig::expect_extended_master_secret },
69   { "-enable-ocsp-stapling", &TestConfig::enable_ocsp_stapling },
70   { "-enable-signed-cert-timestamps",
71     &TestConfig::enable_signed_cert_timestamps },
72   { "-implicit-handshake", &TestConfig::implicit_handshake },
73   { "-use-early-callback", &TestConfig::use_early_callback },
74   { "-fail-early-callback", &TestConfig::fail_early_callback },
75   { "-install-ddos-callback", &TestConfig::install_ddos_callback },
76   { "-fail-ddos-callback", &TestConfig::fail_ddos_callback },
77   { "-fail-second-ddos-callback", &TestConfig::fail_second_ddos_callback },
78   { "-fail-cert-callback", &TestConfig::fail_cert_callback },
79   { "-handshake-never-done", &TestConfig::handshake_never_done },
80   { "-use-export-context", &TestConfig::use_export_context },
81   { "-tls-unique", &TestConfig::tls_unique },
82   { "-expect-ticket-renewal", &TestConfig::expect_ticket_renewal },
83   { "-expect-no-session", &TestConfig::expect_no_session },
84   { "-expect-ticket-supports-early-data",
85     &TestConfig::expect_ticket_supports_early_data },
86   { "-use-ticket-callback", &TestConfig::use_ticket_callback },
87   { "-renew-ticket", &TestConfig::renew_ticket },
88   { "-enable-early-data", &TestConfig::enable_early_data },
89   { "-enable-client-custom-extension",
90     &TestConfig::enable_client_custom_extension },
91   { "-enable-server-custom-extension",
92     &TestConfig::enable_server_custom_extension },
93   { "-custom-extension-skip", &TestConfig::custom_extension_skip },
94   { "-custom-extension-fail-add", &TestConfig::custom_extension_fail_add },
95   { "-check-close-notify", &TestConfig::check_close_notify },
96   { "-shim-shuts-down", &TestConfig::shim_shuts_down },
97   { "-verify-fail", &TestConfig::verify_fail },
98   { "-verify-peer", &TestConfig::verify_peer },
99   { "-verify-peer-if-no-obc", &TestConfig::verify_peer_if_no_obc },
100   { "-expect-verify-result", &TestConfig::expect_verify_result },
101   { "-renegotiate-once", &TestConfig::renegotiate_once },
102   { "-renegotiate-freely", &TestConfig::renegotiate_freely },
103   { "-renegotiate-ignore", &TestConfig::renegotiate_ignore },
104   { "-p384-only", &TestConfig::p384_only },
105   { "-enable-all-curves", &TestConfig::enable_all_curves },
106   { "-use-old-client-cert-callback",
107     &TestConfig::use_old_client_cert_callback },
108   { "-send-alert", &TestConfig::send_alert },
109   { "-peek-then-read", &TestConfig::peek_then_read },
110   { "-enable-grease", &TestConfig::enable_grease },
111   { "-use-exporter-between-reads", &TestConfig::use_exporter_between_reads },
112   { "-retain-only-sha256-client-cert",
113     &TestConfig::retain_only_sha256_client_cert },
114   { "-expect-sha256-client-cert",
115     &TestConfig::expect_sha256_client_cert },
116   { "-read-with-unfinished-write", &TestConfig::read_with_unfinished_write },
117   { "-expect-secure-renegotiation",
118     &TestConfig::expect_secure_renegotiation },
119   { "-expect-no-secure-renegotiation",
120     &TestConfig::expect_no_secure_renegotiation },
121   { "-expect-session-id", &TestConfig::expect_session_id },
122   { "-expect-no-session-id", &TestConfig::expect_no_session_id },
123   { "-expect-accept-early-data", &TestConfig::expect_accept_early_data },
124   { "-expect-reject-early-data", &TestConfig::expect_reject_early_data },
125   { "-expect-no-offer-early-data", &TestConfig::expect_no_offer_early_data },
126   { "-no-op-extra-handshake", &TestConfig::no_op_extra_handshake },
127   { "-handshake-twice", &TestConfig::handshake_twice },
128   { "-allow-unknown-alpn-protos", &TestConfig::allow_unknown_alpn_protos },
129   { "-enable-ed25519", &TestConfig::enable_ed25519 },
130   { "-use-custom-verify-callback", &TestConfig::use_custom_verify_callback },
131   { "-allow-false-start-without-alpn",
132     &TestConfig::allow_false_start_without_alpn },
133   { "-expect-draft-downgrade", &TestConfig::expect_draft_downgrade },
134   { "-handoff", &TestConfig::handoff },
135 };
136 
137 const Flag<std::string> kStringFlags[] = {
138   { "-write-settings", &TestConfig::write_settings },
139   { "-key-file", &TestConfig::key_file },
140   { "-cert-file", &TestConfig::cert_file },
141   { "-expect-server-name", &TestConfig::expected_server_name },
142   { "-advertise-npn", &TestConfig::advertise_npn },
143   { "-expect-next-proto", &TestConfig::expected_next_proto },
144   { "-select-next-proto", &TestConfig::select_next_proto },
145   { "-send-channel-id", &TestConfig::send_channel_id },
146   { "-host-name", &TestConfig::host_name },
147   { "-advertise-alpn", &TestConfig::advertise_alpn },
148   { "-expect-alpn", &TestConfig::expected_alpn },
149   { "-expect-late-alpn", &TestConfig::expected_late_alpn },
150   { "-expect-advertised-alpn", &TestConfig::expected_advertised_alpn },
151   { "-select-alpn", &TestConfig::select_alpn },
152   { "-psk", &TestConfig::psk },
153   { "-psk-identity", &TestConfig::psk_identity },
154   { "-srtp-profiles", &TestConfig::srtp_profiles },
155   { "-cipher", &TestConfig::cipher },
156   { "-export-label", &TestConfig::export_label },
157   { "-export-context", &TestConfig::export_context },
158   { "-expect-peer-cert-file", &TestConfig::expect_peer_cert_file },
159   { "-use-client-ca-list", &TestConfig::use_client_ca_list },
160   { "-expect-client-ca-list", &TestConfig::expected_client_ca_list },
161   { "-expect-msg-callback", &TestConfig::expect_msg_callback },
162 };
163 
164 const Flag<std::string> kBase64Flags[] = {
165   { "-expect-certificate-types", &TestConfig::expected_certificate_types },
166   { "-expect-channel-id", &TestConfig::expected_channel_id },
167   { "-token-binding-params", &TestConfig::send_token_binding_params },
168   { "-expect-ocsp-response", &TestConfig::expected_ocsp_response },
169   { "-expect-signed-cert-timestamps",
170     &TestConfig::expected_signed_cert_timestamps },
171   { "-ocsp-response", &TestConfig::ocsp_response },
172   { "-signed-cert-timestamps", &TestConfig::signed_cert_timestamps },
173   { "-ticket-key", &TestConfig::ticket_key },
174   { "-quic-transport-params", &TestConfig::quic_transport_params },
175   { "-expected-quic-transport-params",
176     &TestConfig::expected_quic_transport_params },
177 };
178 
179 const Flag<int> kIntFlags[] = {
180   { "-port", &TestConfig::port },
181   { "-resume-count", &TestConfig::resume_count },
182   { "-expected-token-binding-param",
183     &TestConfig::expected_token_binding_param },
184   { "-min-version", &TestConfig::min_version },
185   { "-max-version", &TestConfig::max_version },
186   { "-expect-version", &TestConfig::expect_version },
187   { "-mtu", &TestConfig::mtu },
188   { "-export-early-keying-material",
189     &TestConfig::export_early_keying_material },
190   { "-export-keying-material", &TestConfig::export_keying_material },
191   { "-expect-total-renegotiations", &TestConfig::expect_total_renegotiations },
192   { "-expect-peer-signature-algorithm",
193     &TestConfig::expect_peer_signature_algorithm },
194   { "-expect-curve-id", &TestConfig::expect_curve_id },
195   { "-initial-timeout-duration-ms", &TestConfig::initial_timeout_duration_ms },
196   { "-max-cert-list", &TestConfig::max_cert_list },
197   { "-expect-cipher-aes", &TestConfig::expect_cipher_aes },
198   { "-expect-cipher-no-aes", &TestConfig::expect_cipher_no_aes },
199   { "-resumption-delay", &TestConfig::resumption_delay },
200   { "-max-send-fragment", &TestConfig::max_send_fragment },
201   { "-read-size", &TestConfig::read_size },
202   { "-expect-ticket-age-skew", &TestConfig::expect_ticket_age_skew },
203   { "-tls13-variant", &TestConfig::tls13_variant },
204   { "-dummy-pq-padding-len", &TestConfig::dummy_pq_padding_len },
205 };
206 
207 const Flag<std::vector<int>> kIntVectorFlags[] = {
208   { "-signing-prefs", &TestConfig::signing_prefs },
209   { "-verify-prefs", &TestConfig::verify_prefs },
210 };
211 
ParseFlag(char * flag,int argc,char ** argv,int * i,bool skip,TestConfig * out_config)212 bool ParseFlag(char *flag, int argc, char **argv, int *i,
213                bool skip, TestConfig *out_config) {
214   bool *bool_field = FindField(out_config, kBoolFlags, flag);
215   if (bool_field != NULL) {
216     if (!skip) {
217       *bool_field = true;
218     }
219     return true;
220   }
221 
222   std::string *string_field = FindField(out_config, kStringFlags, flag);
223   if (string_field != NULL) {
224     *i = *i + 1;
225     if (*i >= argc) {
226       fprintf(stderr, "Missing parameter\n");
227       return false;
228     }
229     if (!skip) {
230       string_field->assign(argv[*i]);
231     }
232     return true;
233   }
234 
235   std::string *base64_field = FindField(out_config, kBase64Flags, flag);
236   if (base64_field != NULL) {
237     *i = *i + 1;
238     if (*i >= argc) {
239       fprintf(stderr, "Missing parameter\n");
240       return false;
241     }
242     size_t len;
243     if (!EVP_DecodedLength(&len, strlen(argv[*i]))) {
244       fprintf(stderr, "Invalid base64: %s\n", argv[*i]);
245       return false;
246     }
247     std::unique_ptr<uint8_t[]> decoded(new uint8_t[len]);
248     if (!EVP_DecodeBase64(decoded.get(), &len, len,
249                           reinterpret_cast<const uint8_t *>(argv[*i]),
250                           strlen(argv[*i]))) {
251       fprintf(stderr, "Invalid base64: %s\n", argv[*i]);
252       return false;
253     }
254     if (!skip) {
255       base64_field->assign(reinterpret_cast<const char *>(decoded.get()),
256                            len);
257     }
258     return true;
259   }
260 
261   int *int_field = FindField(out_config, kIntFlags, flag);
262   if (int_field) {
263     *i = *i + 1;
264     if (*i >= argc) {
265       fprintf(stderr, "Missing parameter\n");
266       return false;
267     }
268     if (!skip) {
269       *int_field = atoi(argv[*i]);
270     }
271     return true;
272   }
273 
274   std::vector<int> *int_vector_field =
275       FindField(out_config, kIntVectorFlags, flag);
276   if (int_vector_field) {
277     *i = *i + 1;
278     if (*i >= argc) {
279       fprintf(stderr, "Missing parameter\n");
280       return false;
281     }
282 
283     // Each instance of the flag adds to the list.
284     if (!skip) {
285       int_vector_field->push_back(atoi(argv[*i]));
286     }
287     return true;
288   }
289 
290   fprintf(stderr, "Unknown argument: %s\n", flag);
291   return false;
292 }
293 
294 const char kInit[] = "-on-initial";
295 const char kResume[] = "-on-resume";
296 const char kRetry[] = "-on-retry";
297 
298 }  // namespace
299 
ParseConfig(int argc,char ** argv,TestConfig * out_initial,TestConfig * out_resume,TestConfig * out_retry)300 bool ParseConfig(int argc, char **argv,
301                  TestConfig *out_initial,
302                  TestConfig *out_resume,
303                  TestConfig *out_retry) {
304   for (int i = 0; i < argc; i++) {
305     bool skip = false;
306     char *flag = argv[i];
307     if (strncmp(flag, kInit, strlen(kInit)) == 0) {
308       if (!ParseFlag(flag + strlen(kInit), argc, argv, &i, skip, out_initial)) {
309         return false;
310       }
311     } else if (strncmp(flag, kResume, strlen(kResume)) == 0) {
312       if (!ParseFlag(flag + strlen(kResume), argc, argv, &i, skip,
313                      out_resume)) {
314         return false;
315       }
316     } else if (strncmp(flag, kRetry, strlen(kRetry)) == 0) {
317       if (!ParseFlag(flag + strlen(kRetry), argc, argv, &i, skip, out_retry)) {
318         return false;
319       }
320     } else {
321       int i_init = i;
322       int i_resume = i;
323       if (!ParseFlag(flag, argc, argv, &i_init, skip, out_initial) ||
324           !ParseFlag(flag, argc, argv, &i_resume, skip, out_resume) ||
325           !ParseFlag(flag, argc, argv, &i, skip, out_retry)) {
326         return false;
327       }
328     }
329   }
330 
331   return true;
332 }
333