]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * Copyright 2005 Nokia. All rights reserved. | |
4 | * | |
5 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
6 | * this file except in compliance with the License. You can obtain a copy | |
7 | * in the file LICENSE in the source distribution or at | |
8 | * https://www.openssl.org/source/license.html | |
9 | */ | |
10 | ||
11 | #include "e_os.h" | |
12 | #include <ctype.h> | |
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <string.h> | |
16 | #include <errno.h> | |
17 | #include <openssl/e_os2.h> | |
18 | ||
19 | #ifndef OPENSSL_NO_SOCK | |
20 | ||
21 | /* | |
22 | * With IPv6, it looks like Digital has mixed up the proper order of | |
23 | * recursive header file inclusion, resulting in the compiler complaining | |
24 | * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is | |
25 | * needed to have fileno() declared correctly... So let's define u_int | |
26 | */ | |
27 | #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) | |
28 | # define __U_INT | |
29 | typedef unsigned int u_int; | |
30 | #endif | |
31 | ||
32 | #include "apps.h" | |
33 | #include "progs.h" | |
34 | #include <openssl/x509.h> | |
35 | #include <openssl/ssl.h> | |
36 | #include <openssl/err.h> | |
37 | #include <openssl/pem.h> | |
38 | #include <openssl/rand.h> | |
39 | #include <openssl/ocsp.h> | |
40 | #include <openssl/bn.h> | |
41 | #include <openssl/trace.h> | |
42 | #include <openssl/async.h> | |
43 | #ifndef OPENSSL_NO_SRP | |
44 | # include <openssl/srp.h> | |
45 | #endif | |
46 | #ifndef OPENSSL_NO_CT | |
47 | # include <openssl/ct.h> | |
48 | #endif | |
49 | #include "s_apps.h" | |
50 | #include "timeouts.h" | |
51 | #include "internal/sockets.h" | |
52 | ||
53 | #if defined(__has_feature) | |
54 | # if __has_feature(memory_sanitizer) | |
55 | # include <sanitizer/msan_interface.h> | |
56 | # endif | |
57 | #endif | |
58 | ||
59 | #undef BUFSIZZ | |
60 | #define BUFSIZZ 1024*8 | |
61 | #define S_CLIENT_IRC_READ_TIMEOUT 8 | |
62 | ||
63 | static char *prog; | |
64 | static int c_debug = 0; | |
65 | static int c_showcerts = 0; | |
66 | static char *keymatexportlabel = NULL; | |
67 | static int keymatexportlen = 20; | |
68 | static BIO *bio_c_out = NULL; | |
69 | static int c_quiet = 0; | |
70 | static char *sess_out = NULL; | |
71 | static SSL_SESSION *psksess = NULL; | |
72 | ||
73 | static void print_stuff(BIO *berr, SSL *con, int full); | |
74 | #ifndef OPENSSL_NO_OCSP | |
75 | static int ocsp_resp_cb(SSL *s, void *arg); | |
76 | #endif | |
77 | static int ldap_ExtendedResponse_parse(const char *buf, long rem); | |
78 | static int is_dNS_name(const char *host); | |
79 | ||
80 | static int saved_errno; | |
81 | ||
82 | static void save_errno(void) | |
83 | { | |
84 | saved_errno = errno; | |
85 | errno = 0; | |
86 | } | |
87 | ||
88 | static int restore_errno(void) | |
89 | { | |
90 | int ret = errno; | |
91 | errno = saved_errno; | |
92 | return ret; | |
93 | } | |
94 | ||
95 | static void do_ssl_shutdown(SSL *ssl) | |
96 | { | |
97 | int ret; | |
98 | ||
99 | do { | |
100 | /* We only do unidirectional shutdown */ | |
101 | ret = SSL_shutdown(ssl); | |
102 | if (ret < 0) { | |
103 | switch (SSL_get_error(ssl, ret)) { | |
104 | case SSL_ERROR_WANT_READ: | |
105 | case SSL_ERROR_WANT_WRITE: | |
106 | case SSL_ERROR_WANT_ASYNC: | |
107 | case SSL_ERROR_WANT_ASYNC_JOB: | |
108 | /* We just do busy waiting. Nothing clever */ | |
109 | continue; | |
110 | } | |
111 | ret = 0; | |
112 | } | |
113 | } while (ret < 0); | |
114 | } | |
115 | ||
116 | /* Default PSK identity and key */ | |
117 | static char *psk_identity = "Client_identity"; | |
118 | ||
119 | #ifndef OPENSSL_NO_PSK | |
120 | static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, | |
121 | unsigned int max_identity_len, | |
122 | unsigned char *psk, | |
123 | unsigned int max_psk_len) | |
124 | { | |
125 | int ret; | |
126 | long key_len; | |
127 | unsigned char *key; | |
128 | ||
129 | if (c_debug) | |
130 | BIO_printf(bio_c_out, "psk_client_cb\n"); | |
131 | if (!hint) { | |
132 | /* no ServerKeyExchange message */ | |
133 | if (c_debug) | |
134 | BIO_printf(bio_c_out, | |
135 | "NULL received PSK identity hint, continuing anyway\n"); | |
136 | } else if (c_debug) { | |
137 | BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); | |
138 | } | |
139 | ||
140 | /* | |
141 | * lookup PSK identity and PSK key based on the given identity hint here | |
142 | */ | |
143 | ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); | |
144 | if (ret < 0 || (unsigned int)ret > max_identity_len) | |
145 | goto out_err; | |
146 | if (c_debug) | |
147 | BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, | |
148 | ret); | |
149 | ||
150 | /* convert the PSK key to binary */ | |
151 | key = OPENSSL_hexstr2buf(psk_key, &key_len); | |
152 | if (key == NULL) { | |
153 | BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", | |
154 | psk_key); | |
155 | return 0; | |
156 | } | |
157 | if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) { | |
158 | BIO_printf(bio_err, | |
159 | "psk buffer of callback is too small (%d) for key (%ld)\n", | |
160 | max_psk_len, key_len); | |
161 | OPENSSL_free(key); | |
162 | return 0; | |
163 | } | |
164 | ||
165 | memcpy(psk, key, key_len); | |
166 | OPENSSL_free(key); | |
167 | ||
168 | if (c_debug) | |
169 | BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len); | |
170 | ||
171 | return key_len; | |
172 | out_err: | |
173 | if (c_debug) | |
174 | BIO_printf(bio_err, "Error in PSK client callback\n"); | |
175 | return 0; | |
176 | } | |
177 | #endif | |
178 | ||
179 | const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 }; | |
180 | const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 }; | |
181 | ||
182 | static int psk_use_session_cb(SSL *s, const EVP_MD *md, | |
183 | const unsigned char **id, size_t *idlen, | |
184 | SSL_SESSION **sess) | |
185 | { | |
186 | SSL_SESSION *usesess = NULL; | |
187 | const SSL_CIPHER *cipher = NULL; | |
188 | ||
189 | if (psksess != NULL) { | |
190 | SSL_SESSION_up_ref(psksess); | |
191 | usesess = psksess; | |
192 | } else { | |
193 | long key_len; | |
194 | unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len); | |
195 | ||
196 | if (key == NULL) { | |
197 | BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", | |
198 | psk_key); | |
199 | return 0; | |
200 | } | |
201 | ||
202 | /* We default to SHA-256 */ | |
203 | cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id); | |
204 | if (cipher == NULL) { | |
205 | BIO_printf(bio_err, "Error finding suitable ciphersuite\n"); | |
206 | OPENSSL_free(key); | |
207 | return 0; | |
208 | } | |
209 | ||
210 | usesess = SSL_SESSION_new(); | |
211 | if (usesess == NULL | |
212 | || !SSL_SESSION_set1_master_key(usesess, key, key_len) | |
213 | || !SSL_SESSION_set_cipher(usesess, cipher) | |
214 | || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) { | |
215 | OPENSSL_free(key); | |
216 | goto err; | |
217 | } | |
218 | OPENSSL_free(key); | |
219 | } | |
220 | ||
221 | cipher = SSL_SESSION_get0_cipher(usesess); | |
222 | if (cipher == NULL) | |
223 | goto err; | |
224 | ||
225 | if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) { | |
226 | /* PSK not usable, ignore it */ | |
227 | *id = NULL; | |
228 | *idlen = 0; | |
229 | *sess = NULL; | |
230 | SSL_SESSION_free(usesess); | |
231 | } else { | |
232 | *sess = usesess; | |
233 | *id = (unsigned char *)psk_identity; | |
234 | *idlen = strlen(psk_identity); | |
235 | } | |
236 | ||
237 | return 1; | |
238 | ||
239 | err: | |
240 | SSL_SESSION_free(usesess); | |
241 | return 0; | |
242 | } | |
243 | ||
244 | /* This is a context that we pass to callbacks */ | |
245 | typedef struct tlsextctx_st { | |
246 | BIO *biodebug; | |
247 | int ack; | |
248 | } tlsextctx; | |
249 | ||
250 | static int ssl_servername_cb(SSL *s, int *ad, void *arg) | |
251 | { | |
252 | tlsextctx *p = (tlsextctx *) arg; | |
253 | const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); | |
254 | if (SSL_get_servername_type(s) != -1) | |
255 | p->ack = !SSL_session_reused(s) && hn != NULL; | |
256 | else | |
257 | BIO_printf(bio_err, "Can't use SSL_get_servername\n"); | |
258 | ||
259 | return SSL_TLSEXT_ERR_OK; | |
260 | } | |
261 | ||
262 | #ifndef OPENSSL_NO_SRP | |
263 | ||
264 | /* This is a context that we pass to all callbacks */ | |
265 | typedef struct srp_arg_st { | |
266 | char *srppassin; | |
267 | char *srplogin; | |
268 | int msg; /* copy from c_msg */ | |
269 | int debug; /* copy from c_debug */ | |
270 | int amp; /* allow more groups */ | |
271 | int strength; /* minimal size for N */ | |
272 | } SRP_ARG; | |
273 | ||
274 | static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g) | |
275 | { | |
276 | BN_CTX *bn_ctx = BN_CTX_new(); | |
277 | BIGNUM *p = BN_new(); | |
278 | BIGNUM *r = BN_new(); | |
279 | int ret = | |
280 | g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && | |
281 | BN_check_prime(N, bn_ctx, NULL) == 1 && | |
282 | p != NULL && BN_rshift1(p, N) && | |
283 | /* p = (N-1)/2 */ | |
284 | BN_check_prime(p, bn_ctx, NULL) == 1 && | |
285 | r != NULL && | |
286 | /* verify g^((N-1)/2) == -1 (mod N) */ | |
287 | BN_mod_exp(r, g, p, N, bn_ctx) && | |
288 | BN_add_word(r, 1) && BN_cmp(r, N) == 0; | |
289 | ||
290 | BN_free(r); | |
291 | BN_free(p); | |
292 | BN_CTX_free(bn_ctx); | |
293 | return ret; | |
294 | } | |
295 | ||
296 | /*- | |
297 | * This callback is used here for two purposes: | |
298 | * - extended debugging | |
299 | * - making some primality tests for unknown groups | |
300 | * The callback is only called for a non default group. | |
301 | * | |
302 | * An application does not need the call back at all if | |
303 | * only the standard groups are used. In real life situations, | |
304 | * client and server already share well known groups, | |
305 | * thus there is no need to verify them. | |
306 | * Furthermore, in case that a server actually proposes a group that | |
307 | * is not one of those defined in RFC 5054, it is more appropriate | |
308 | * to add the group to a static list and then compare since | |
309 | * primality tests are rather cpu consuming. | |
310 | */ | |
311 | ||
312 | static int ssl_srp_verify_param_cb(SSL *s, void *arg) | |
313 | { | |
314 | SRP_ARG *srp_arg = (SRP_ARG *)arg; | |
315 | BIGNUM *N = NULL, *g = NULL; | |
316 | ||
317 | if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL)) | |
318 | return 0; | |
319 | if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) { | |
320 | BIO_printf(bio_err, "SRP parameters:\n"); | |
321 | BIO_printf(bio_err, "\tN="); | |
322 | BN_print(bio_err, N); | |
323 | BIO_printf(bio_err, "\n\tg="); | |
324 | BN_print(bio_err, g); | |
325 | BIO_printf(bio_err, "\n"); | |
326 | } | |
327 | ||
328 | if (SRP_check_known_gN_param(g, N)) | |
329 | return 1; | |
330 | ||
331 | if (srp_arg->amp == 1) { | |
332 | if (srp_arg->debug) | |
333 | BIO_printf(bio_err, | |
334 | "SRP param N and g are not known params, going to check deeper.\n"); | |
335 | ||
336 | /* | |
337 | * The srp_moregroups is a real debugging feature. Implementors | |
338 | * should rather add the value to the known ones. The minimal size | |
339 | * has already been tested. | |
340 | */ | |
341 | if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g)) | |
342 | return 1; | |
343 | } | |
344 | BIO_printf(bio_err, "SRP param N and g rejected.\n"); | |
345 | return 0; | |
346 | } | |
347 | ||
348 | # define PWD_STRLEN 1024 | |
349 | ||
350 | static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg) | |
351 | { | |
352 | SRP_ARG *srp_arg = (SRP_ARG *)arg; | |
353 | char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer"); | |
354 | PW_CB_DATA cb_tmp; | |
355 | int l; | |
356 | ||
357 | cb_tmp.password = (char *)srp_arg->srppassin; | |
358 | cb_tmp.prompt_info = "SRP user"; | |
359 | if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) { | |
360 | BIO_printf(bio_err, "Can't read Password\n"); | |
361 | OPENSSL_free(pass); | |
362 | return NULL; | |
363 | } | |
364 | *(pass + l) = '\0'; | |
365 | ||
366 | return pass; | |
367 | } | |
368 | ||
369 | #endif | |
370 | ||
371 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
372 | /* This the context that we pass to next_proto_cb */ | |
373 | typedef struct tlsextnextprotoctx_st { | |
374 | unsigned char *data; | |
375 | size_t len; | |
376 | int status; | |
377 | } tlsextnextprotoctx; | |
378 | ||
379 | static tlsextnextprotoctx next_proto; | |
380 | ||
381 | static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, | |
382 | const unsigned char *in, unsigned int inlen, | |
383 | void *arg) | |
384 | { | |
385 | tlsextnextprotoctx *ctx = arg; | |
386 | ||
387 | if (!c_quiet) { | |
388 | /* We can assume that |in| is syntactically valid. */ | |
389 | unsigned i; | |
390 | BIO_printf(bio_c_out, "Protocols advertised by server: "); | |
391 | for (i = 0; i < inlen;) { | |
392 | if (i) | |
393 | BIO_write(bio_c_out, ", ", 2); | |
394 | BIO_write(bio_c_out, &in[i + 1], in[i]); | |
395 | i += in[i] + 1; | |
396 | } | |
397 | BIO_write(bio_c_out, "\n", 1); | |
398 | } | |
399 | ||
400 | ctx->status = | |
401 | SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); | |
402 | return SSL_TLSEXT_ERR_OK; | |
403 | } | |
404 | #endif /* ndef OPENSSL_NO_NEXTPROTONEG */ | |
405 | ||
406 | static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type, | |
407 | const unsigned char *in, size_t inlen, | |
408 | int *al, void *arg) | |
409 | { | |
410 | char pem_name[100]; | |
411 | unsigned char ext_buf[4 + 65536]; | |
412 | ||
413 | /* Reconstruct the type/len fields prior to extension data */ | |
414 | inlen &= 0xffff; /* for formal memcmpy correctness */ | |
415 | ext_buf[0] = (unsigned char)(ext_type >> 8); | |
416 | ext_buf[1] = (unsigned char)(ext_type); | |
417 | ext_buf[2] = (unsigned char)(inlen >> 8); | |
418 | ext_buf[3] = (unsigned char)(inlen); | |
419 | memcpy(ext_buf + 4, in, inlen); | |
420 | ||
421 | BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d", | |
422 | ext_type); | |
423 | PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen); | |
424 | return 1; | |
425 | } | |
426 | ||
427 | /* | |
428 | * Hex decoder that tolerates optional whitespace. Returns number of bytes | |
429 | * produced, advances inptr to end of input string. | |
430 | */ | |
431 | static ossl_ssize_t hexdecode(const char **inptr, void *result) | |
432 | { | |
433 | unsigned char **out = (unsigned char **)result; | |
434 | const char *in = *inptr; | |
435 | unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode"); | |
436 | unsigned char *cp = ret; | |
437 | uint8_t byte; | |
438 | int nibble = 0; | |
439 | ||
440 | if (ret == NULL) | |
441 | return -1; | |
442 | ||
443 | for (byte = 0; *in; ++in) { | |
444 | int x; | |
445 | ||
446 | if (isspace(_UC(*in))) | |
447 | continue; | |
448 | x = OPENSSL_hexchar2int(*in); | |
449 | if (x < 0) { | |
450 | OPENSSL_free(ret); | |
451 | return 0; | |
452 | } | |
453 | byte |= (char)x; | |
454 | if ((nibble ^= 1) == 0) { | |
455 | *cp++ = byte; | |
456 | byte = 0; | |
457 | } else { | |
458 | byte <<= 4; | |
459 | } | |
460 | } | |
461 | if (nibble != 0) { | |
462 | OPENSSL_free(ret); | |
463 | return 0; | |
464 | } | |
465 | *inptr = in; | |
466 | ||
467 | return cp - (*out = ret); | |
468 | } | |
469 | ||
470 | /* | |
471 | * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances | |
472 | * inptr to next field skipping leading whitespace. | |
473 | */ | |
474 | static ossl_ssize_t checked_uint8(const char **inptr, void *out) | |
475 | { | |
476 | uint8_t *result = (uint8_t *)out; | |
477 | const char *in = *inptr; | |
478 | char *endp; | |
479 | long v; | |
480 | int e; | |
481 | ||
482 | save_errno(); | |
483 | v = strtol(in, &endp, 10); | |
484 | e = restore_errno(); | |
485 | ||
486 | if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) || | |
487 | endp == in || !isspace(_UC(*endp)) || | |
488 | v != (*result = (uint8_t) v)) { | |
489 | return -1; | |
490 | } | |
491 | for (in = endp; isspace(_UC(*in)); ++in) | |
492 | continue; | |
493 | ||
494 | *inptr = in; | |
495 | return 1; | |
496 | } | |
497 | ||
498 | struct tlsa_field { | |
499 | void *var; | |
500 | const char *name; | |
501 | ossl_ssize_t (*parser)(const char **, void *); | |
502 | }; | |
503 | ||
504 | static int tlsa_import_rr(SSL *con, const char *rrdata) | |
505 | { | |
506 | /* Not necessary to re-init these values; the "parsers" do that. */ | |
507 | static uint8_t usage; | |
508 | static uint8_t selector; | |
509 | static uint8_t mtype; | |
510 | static unsigned char *data; | |
511 | static struct tlsa_field tlsa_fields[] = { | |
512 | { &usage, "usage", checked_uint8 }, | |
513 | { &selector, "selector", checked_uint8 }, | |
514 | { &mtype, "mtype", checked_uint8 }, | |
515 | { &data, "data", hexdecode }, | |
516 | { NULL, } | |
517 | }; | |
518 | struct tlsa_field *f; | |
519 | int ret; | |
520 | const char *cp = rrdata; | |
521 | ossl_ssize_t len = 0; | |
522 | ||
523 | for (f = tlsa_fields; f->var; ++f) { | |
524 | /* Returns number of bytes produced, advances cp to next field */ | |
525 | if ((len = f->parser(&cp, f->var)) <= 0) { | |
526 | BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n", | |
527 | prog, f->name, rrdata); | |
528 | return 0; | |
529 | } | |
530 | } | |
531 | /* The data field is last, so len is its length */ | |
532 | ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len); | |
533 | OPENSSL_free(data); | |
534 | ||
535 | if (ret == 0) { | |
536 | ERR_print_errors(bio_err); | |
537 | BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n", | |
538 | prog, rrdata); | |
539 | return 0; | |
540 | } | |
541 | if (ret < 0) { | |
542 | ERR_print_errors(bio_err); | |
543 | BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n", | |
544 | prog, rrdata); | |
545 | return 0; | |
546 | } | |
547 | return ret; | |
548 | } | |
549 | ||
550 | static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset) | |
551 | { | |
552 | int num = sk_OPENSSL_STRING_num(rrset); | |
553 | int count = 0; | |
554 | int i; | |
555 | ||
556 | for (i = 0; i < num; ++i) { | |
557 | char *rrdata = sk_OPENSSL_STRING_value(rrset, i); | |
558 | if (tlsa_import_rr(con, rrdata) > 0) | |
559 | ++count; | |
560 | } | |
561 | return count > 0; | |
562 | } | |
563 | ||
564 | typedef enum OPTION_choice { | |
565 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
566 | OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX, | |
567 | OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT, | |
568 | OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN, | |
569 | OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET, | |
570 | OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO, | |
571 | OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF, | |
572 | OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG, | |
573 | OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG, | |
574 | OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE, | |
575 | OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS, | |
576 | #ifndef OPENSSL_NO_SRP | |
577 | OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER, | |
578 | OPT_SRP_MOREGROUPS, | |
579 | #endif | |
580 | OPT_SSL3, OPT_SSL_CONFIG, | |
581 | OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1, | |
582 | OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS, | |
583 | OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, | |
584 | OPT_NEXTPROTONEG, OPT_ALPN, | |
585 | OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, | |
586 | OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE, | |
587 | OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE, | |
588 | OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC, | |
589 | OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST, | |
590 | OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, | |
591 | OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE, | |
592 | OPT_V_ENUM, | |
593 | OPT_X_ENUM, | |
594 | OPT_S_ENUM, | |
595 | OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS, | |
596 | OPT_DANE_TLSA_DOMAIN, | |
597 | #ifndef OPENSSL_NO_CT | |
598 | OPT_CT, OPT_NOCT, OPT_CTLOG_FILE, | |
599 | #endif | |
600 | OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME, | |
601 | OPT_ENABLE_PHA, | |
602 | OPT_SCTP_LABEL_BUG, | |
603 | OPT_R_ENUM, OPT_PROV_ENUM | |
604 | } OPTION_CHOICE; | |
605 | ||
606 | const OPTIONS s_client_options[] = { | |
607 | {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"}, | |
608 | ||
609 | OPT_SECTION("General"), | |
610 | {"help", OPT_HELP, '-', "Display this summary"}, | |
611 | #ifndef OPENSSL_NO_ENGINE | |
612 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
613 | {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's', | |
614 | "Specify engine to be used for client certificate operations"}, | |
615 | #endif | |
616 | {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"}, | |
617 | #ifndef OPENSSL_NO_CT | |
618 | {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"}, | |
619 | {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"}, | |
620 | {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"}, | |
621 | #endif | |
622 | ||
623 | OPT_SECTION("Network"), | |
624 | {"host", OPT_HOST, 's', "Use -connect instead"}, | |
625 | {"port", OPT_PORT, 'p', "Use -connect instead"}, | |
626 | {"connect", OPT_CONNECT, 's', | |
627 | "TCP/IP where to connect (default is :" PORT ")"}, | |
628 | {"bind", OPT_BIND, 's', "bind local address for connection"}, | |
629 | {"proxy", OPT_PROXY, 's', | |
630 | "Connect to via specified proxy to the real server"}, | |
631 | {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"}, | |
632 | {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"}, | |
633 | #ifdef AF_UNIX | |
634 | {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"}, | |
635 | #endif | |
636 | {"4", OPT_4, '-', "Use IPv4 only"}, | |
637 | #ifdef AF_INET6 | |
638 | {"6", OPT_6, '-', "Use IPv6 only"}, | |
639 | #endif | |
640 | {"maxfraglen", OPT_MAXFRAGLEN, 'p', | |
641 | "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"}, | |
642 | {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "}, | |
643 | {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p', | |
644 | "Size used to split data for encrypt pipelines"}, | |
645 | {"max_pipelines", OPT_MAX_PIPELINES, 'p', | |
646 | "Maximum number of encrypt/decrypt pipelines to be used"}, | |
647 | {"read_buf", OPT_READ_BUF, 'p', | |
648 | "Default read buffer size to be used for connections"}, | |
649 | {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"}, | |
650 | ||
651 | OPT_SECTION("Identity"), | |
652 | {"cert", OPT_CERT, '<', "Client certificate file to use"}, | |
653 | {"certform", OPT_CERTFORM, 'F', | |
654 | "Client certificate file format (PEM or DER) PEM default"}, | |
655 | {"cert_chain", OPT_CERT_CHAIN, '<', | |
656 | "Client certificate chain file (in PEM format)"}, | |
657 | {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"}, | |
658 | {"key", OPT_KEY, 's', "Private key file to use; default is: -cert file"}, | |
659 | {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"}, | |
660 | {"pass", OPT_PASS, 's', "Private key file pass phrase source"}, | |
661 | {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"}, | |
662 | {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"}, | |
663 | {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"}, | |
664 | {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"}, | |
665 | {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"}, | |
666 | {"no-CAfile", OPT_NOCAFILE, '-', | |
667 | "Do not load the default certificates file"}, | |
668 | {"no-CApath", OPT_NOCAPATH, '-', | |
669 | "Do not load certificates from the default certificates directory"}, | |
670 | {"no-CAstore", OPT_NOCASTORE, '-', | |
671 | "Do not load certificates from the default certificates store"}, | |
672 | {"requestCAfile", OPT_REQCAFILE, '<', | |
673 | "PEM format file of CA names to send to the server"}, | |
674 | {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"}, | |
675 | {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's', | |
676 | "DANE TLSA rrdata presentation form"}, | |
677 | {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-', | |
678 | "Disable name checks when matching DANE-EE(3) TLSA records"}, | |
679 | {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"}, | |
680 | {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"}, | |
681 | {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"}, | |
682 | {"name", OPT_PROTOHOST, 's', | |
683 | "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""}, | |
684 | ||
685 | OPT_SECTION("Session"), | |
686 | {"reconnect", OPT_RECONNECT, '-', | |
687 | "Drop and re-make the connection with the same Session-ID"}, | |
688 | {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"}, | |
689 | {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"}, | |
690 | ||
691 | OPT_SECTION("Input/Output"), | |
692 | {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"}, | |
693 | {"quiet", OPT_QUIET, '-', "No s_client output"}, | |
694 | {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"}, | |
695 | {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"}, | |
696 | {"starttls", OPT_STARTTLS, 's', | |
697 | "Use the appropriate STARTTLS command before starting TLS"}, | |
698 | {"xmpphost", OPT_XMPPHOST, 's', | |
699 | "Alias of -name option for \"-starttls xmpp[-server]\""}, | |
700 | {"brief", OPT_BRIEF, '-', | |
701 | "Restrict output to brief summary of connection parameters"}, | |
702 | {"prexit", OPT_PREXIT, '-', | |
703 | "Print session information when the program exits"}, | |
704 | ||
705 | OPT_SECTION("Debug"), | |
706 | {"showcerts", OPT_SHOWCERTS, '-', | |
707 | "Show all certificates sent by the server"}, | |
708 | {"debug", OPT_DEBUG, '-', "Extra output"}, | |
709 | {"msg", OPT_MSG, '-', "Show protocol messages"}, | |
710 | {"msgfile", OPT_MSGFILE, '>', | |
711 | "File to send output of -msg or -trace, instead of stdout"}, | |
712 | {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"}, | |
713 | {"state", OPT_STATE, '-', "Print the ssl states"}, | |
714 | {"keymatexport", OPT_KEYMATEXPORT, 's', | |
715 | "Export keying material using label"}, | |
716 | {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p', | |
717 | "Export len bytes of keying material (default 20)"}, | |
718 | {"security_debug", OPT_SECURITY_DEBUG, '-', | |
719 | "Enable security debug messages"}, | |
720 | {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-', | |
721 | "Output more security debug output"}, | |
722 | #ifndef OPENSSL_NO_SSL_TRACE | |
723 | {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"}, | |
724 | #endif | |
725 | #ifdef WATT32 | |
726 | {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"}, | |
727 | #endif | |
728 | {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"}, | |
729 | {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"}, | |
730 | {"servername", OPT_SERVERNAME, 's', | |
731 | "Set TLS extension servername (SNI) in ClientHello (default)"}, | |
732 | {"noservername", OPT_NOSERVERNAME, '-', | |
733 | "Do not send the server name (SNI) extension in the ClientHello"}, | |
734 | {"tlsextdebug", OPT_TLSEXTDEBUG, '-', | |
735 | "Hex dump of all TLS extensions received"}, | |
736 | #ifndef OPENSSL_NO_OCSP | |
737 | {"status", OPT_STATUS, '-', "Request certificate status from server"}, | |
738 | #endif | |
739 | {"serverinfo", OPT_SERVERINFO, 's', | |
740 | "types Send empty ClientHello extensions (comma-separated numbers)"}, | |
741 | {"alpn", OPT_ALPN, 's', | |
742 | "Enable ALPN extension, considering named protocols supported (comma-separated list)"}, | |
743 | {"async", OPT_ASYNC, '-', "Support asynchronous operation"}, | |
744 | {"nbio", OPT_NBIO, '-', "Use non-blocking IO"}, | |
745 | ||
746 | OPT_SECTION("Protocol and version"), | |
747 | #ifndef OPENSSL_NO_SSL3 | |
748 | {"ssl3", OPT_SSL3, '-', "Just use SSLv3"}, | |
749 | #endif | |
750 | #ifndef OPENSSL_NO_TLS1 | |
751 | {"tls1", OPT_TLS1, '-', "Just use TLSv1"}, | |
752 | #endif | |
753 | #ifndef OPENSSL_NO_TLS1_1 | |
754 | {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"}, | |
755 | #endif | |
756 | #ifndef OPENSSL_NO_TLS1_2 | |
757 | {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"}, | |
758 | #endif | |
759 | #ifndef OPENSSL_NO_TLS1_3 | |
760 | {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"}, | |
761 | #endif | |
762 | #ifndef OPENSSL_NO_DTLS | |
763 | {"dtls", OPT_DTLS, '-', "Use any version of DTLS"}, | |
764 | {"timeout", OPT_TIMEOUT, '-', | |
765 | "Enable send/receive timeout on DTLS connections"}, | |
766 | {"mtu", OPT_MTU, 'p', "Set the link layer MTU"}, | |
767 | #endif | |
768 | #ifndef OPENSSL_NO_DTLS1 | |
769 | {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"}, | |
770 | #endif | |
771 | #ifndef OPENSSL_NO_DTLS1_2 | |
772 | {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"}, | |
773 | #endif | |
774 | #ifndef OPENSSL_NO_SCTP | |
775 | {"sctp", OPT_SCTP, '-', "Use SCTP"}, | |
776 | {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"}, | |
777 | #endif | |
778 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
779 | {"nextprotoneg", OPT_NEXTPROTONEG, 's', | |
780 | "Enable NPN extension, considering named protocols supported (comma-separated list)"}, | |
781 | #endif | |
782 | {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"}, | |
783 | {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"}, | |
784 | #ifndef OPENSSL_NO_SRTP | |
785 | {"use_srtp", OPT_USE_SRTP, 's', | |
786 | "Offer SRTP key management with a colon-separated profile list"}, | |
787 | #endif | |
788 | #ifndef OPENSSL_NO_SRP | |
789 | {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"}, | |
790 | {"srppass", OPT_SRPPASS, 's', "Password for 'user'"}, | |
791 | {"srp_lateuser", OPT_SRP_LATEUSER, '-', | |
792 | "SRP username into second ClientHello message"}, | |
793 | {"srp_moregroups", OPT_SRP_MOREGROUPS, '-', | |
794 | "Tolerate other than the known g N values."}, | |
795 | {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"}, | |
796 | #endif | |
797 | ||
798 | OPT_R_OPTIONS, | |
799 | OPT_S_OPTIONS, | |
800 | OPT_V_OPTIONS, | |
801 | {"CRL", OPT_CRL, '<', "CRL file to use"}, | |
802 | {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"}, | |
803 | {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"}, | |
804 | {"verify_return_error", OPT_VERIFY_RET_ERROR, '-', | |
805 | "Close connection on verification error"}, | |
806 | {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"}, | |
807 | {"chainCAfile", OPT_CHAINCAFILE, '<', | |
808 | "CA file for certificate chain (PEM format)"}, | |
809 | {"chainCApath", OPT_CHAINCAPATH, '/', | |
810 | "Use dir as certificate store path to build CA certificate chain"}, | |
811 | {"chainCAstore", OPT_CHAINCASTORE, ':', | |
812 | "CA store URI for certificate chain"}, | |
813 | {"verifyCAfile", OPT_VERIFYCAFILE, '<', | |
814 | "CA file for certificate verification (PEM format)"}, | |
815 | {"verifyCApath", OPT_VERIFYCAPATH, '/', | |
816 | "Use dir as certificate store path to verify CA certificate"}, | |
817 | {"verifyCAstore", OPT_VERIFYCASTORE, ':', | |
818 | "CA store URI for certificate verification"}, | |
819 | OPT_X_OPTIONS, | |
820 | OPT_PROV_OPTIONS, | |
821 | ||
822 | OPT_PARAMETERS(), | |
823 | {"host:port", 0, 0, "Where to connect; same as -connect option"}, | |
824 | {NULL} | |
825 | }; | |
826 | ||
827 | typedef enum PROTOCOL_choice { | |
828 | PROTO_OFF, | |
829 | PROTO_SMTP, | |
830 | PROTO_POP3, | |
831 | PROTO_IMAP, | |
832 | PROTO_FTP, | |
833 | PROTO_TELNET, | |
834 | PROTO_XMPP, | |
835 | PROTO_XMPP_SERVER, | |
836 | PROTO_CONNECT, | |
837 | PROTO_IRC, | |
838 | PROTO_MYSQL, | |
839 | PROTO_POSTGRES, | |
840 | PROTO_LMTP, | |
841 | PROTO_NNTP, | |
842 | PROTO_SIEVE, | |
843 | PROTO_LDAP | |
844 | } PROTOCOL_CHOICE; | |
845 | ||
846 | static const OPT_PAIR services[] = { | |
847 | {"smtp", PROTO_SMTP}, | |
848 | {"pop3", PROTO_POP3}, | |
849 | {"imap", PROTO_IMAP}, | |
850 | {"ftp", PROTO_FTP}, | |
851 | {"xmpp", PROTO_XMPP}, | |
852 | {"xmpp-server", PROTO_XMPP_SERVER}, | |
853 | {"telnet", PROTO_TELNET}, | |
854 | {"irc", PROTO_IRC}, | |
855 | {"mysql", PROTO_MYSQL}, | |
856 | {"postgres", PROTO_POSTGRES}, | |
857 | {"lmtp", PROTO_LMTP}, | |
858 | {"nntp", PROTO_NNTP}, | |
859 | {"sieve", PROTO_SIEVE}, | |
860 | {"ldap", PROTO_LDAP}, | |
861 | {NULL, 0} | |
862 | }; | |
863 | ||
864 | #define IS_INET_FLAG(o) \ | |
865 | (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT) | |
866 | #define IS_UNIX_FLAG(o) (o == OPT_UNIX) | |
867 | ||
868 | #define IS_PROT_FLAG(o) \ | |
869 | (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \ | |
870 | || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2) | |
871 | ||
872 | /* Free |*dest| and optionally set it to a copy of |source|. */ | |
873 | static void freeandcopy(char **dest, const char *source) | |
874 | { | |
875 | OPENSSL_free(*dest); | |
876 | *dest = NULL; | |
877 | if (source != NULL) | |
878 | *dest = OPENSSL_strdup(source); | |
879 | } | |
880 | ||
881 | static int new_session_cb(SSL *s, SSL_SESSION *sess) | |
882 | { | |
883 | ||
884 | if (sess_out != NULL) { | |
885 | BIO *stmp = BIO_new_file(sess_out, "w"); | |
886 | ||
887 | if (stmp == NULL) { | |
888 | BIO_printf(bio_err, "Error writing session file %s\n", sess_out); | |
889 | } else { | |
890 | PEM_write_bio_SSL_SESSION(stmp, sess); | |
891 | BIO_free(stmp); | |
892 | } | |
893 | } | |
894 | ||
895 | /* | |
896 | * Session data gets dumped on connection for TLSv1.2 and below, and on | |
897 | * arrival of the NewSessionTicket for TLSv1.3. | |
898 | */ | |
899 | if (SSL_version(s) == TLS1_3_VERSION) { | |
900 | BIO_printf(bio_c_out, | |
901 | "---\nPost-Handshake New Session Ticket arrived:\n"); | |
902 | SSL_SESSION_print(bio_c_out, sess); | |
903 | BIO_printf(bio_c_out, "---\n"); | |
904 | } | |
905 | ||
906 | /* | |
907 | * We always return a "fail" response so that the session gets freed again | |
908 | * because we haven't used the reference. | |
909 | */ | |
910 | return 0; | |
911 | } | |
912 | ||
913 | int s_client_main(int argc, char **argv) | |
914 | { | |
915 | BIO *sbio; | |
916 | EVP_PKEY *key = NULL; | |
917 | SSL *con = NULL; | |
918 | SSL_CTX *ctx = NULL; | |
919 | STACK_OF(X509) *chain = NULL; | |
920 | X509 *cert = NULL; | |
921 | X509_VERIFY_PARAM *vpm = NULL; | |
922 | SSL_EXCERT *exc = NULL; | |
923 | SSL_CONF_CTX *cctx = NULL; | |
924 | STACK_OF(OPENSSL_STRING) *ssl_args = NULL; | |
925 | char *dane_tlsa_domain = NULL; | |
926 | STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL; | |
927 | int dane_ee_no_name = 0; | |
928 | STACK_OF(X509_CRL) *crls = NULL; | |
929 | const SSL_METHOD *meth = TLS_client_method(); | |
930 | const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL; | |
931 | char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL; | |
932 | char *proxystr = NULL, *proxyuser = NULL; | |
933 | char *proxypassarg = NULL, *proxypass = NULL; | |
934 | char *connectstr = NULL, *bindstr = NULL; | |
935 | char *cert_file = NULL, *key_file = NULL, *chain_file = NULL; | |
936 | char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL; | |
937 | char *port = OPENSSL_strdup(PORT); | |
938 | char *bindhost = NULL, *bindport = NULL; | |
939 | char *passarg = NULL, *pass = NULL; | |
940 | char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL; | |
941 | char *ReqCAfile = NULL; | |
942 | char *sess_in = NULL, *crl_file = NULL, *p; | |
943 | const char *protohost = NULL; | |
944 | struct timeval timeout, *timeoutp; | |
945 | fd_set readfds, writefds; | |
946 | int noCApath = 0, noCAfile = 0, noCAstore = 0; | |
947 | int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM; | |
948 | int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0; | |
949 | int prexit = 0; | |
950 | int sdebug = 0; | |
951 | int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0; | |
952 | int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0; | |
953 | int sbuf_len, sbuf_off, cmdletters = 1; | |
954 | int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0; | |
955 | int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0; | |
956 | int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending; | |
957 | #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) | |
958 | int at_eof = 0; | |
959 | #endif | |
960 | int read_buf_len = 0; | |
961 | int fallback_scsv = 0; | |
962 | OPTION_CHOICE o; | |
963 | #ifndef OPENSSL_NO_DTLS | |
964 | int enable_timeouts = 0; | |
965 | long socket_mtu = 0; | |
966 | #endif | |
967 | #ifndef OPENSSL_NO_ENGINE | |
968 | ENGINE *ssl_client_engine = NULL; | |
969 | #endif | |
970 | ENGINE *e = NULL; | |
971 | #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) | |
972 | struct timeval tv; | |
973 | #endif | |
974 | const char *servername = NULL; | |
975 | int noservername = 0; | |
976 | const char *alpn_in = NULL; | |
977 | tlsextctx tlsextcbp = { NULL, 0 }; | |
978 | const char *ssl_config = NULL; | |
979 | #define MAX_SI_TYPES 100 | |
980 | unsigned short serverinfo_types[MAX_SI_TYPES]; | |
981 | int serverinfo_count = 0, start = 0, len; | |
982 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
983 | const char *next_proto_neg_in = NULL; | |
984 | #endif | |
985 | #ifndef OPENSSL_NO_SRP | |
986 | char *srppass = NULL; | |
987 | int srp_lateuser = 0; | |
988 | SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 }; | |
989 | #endif | |
990 | #ifndef OPENSSL_NO_SRTP | |
991 | char *srtp_profiles = NULL; | |
992 | #endif | |
993 | #ifndef OPENSSL_NO_CT | |
994 | char *ctlog_file = NULL; | |
995 | int ct_validation = 0; | |
996 | #endif | |
997 | int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0; | |
998 | int async = 0; | |
999 | unsigned int max_send_fragment = 0; | |
1000 | unsigned int split_send_fragment = 0, max_pipelines = 0; | |
1001 | enum { use_inet, use_unix, use_unknown } connect_type = use_unknown; | |
1002 | int count4or6 = 0; | |
1003 | uint8_t maxfraglen = 0; | |
1004 | int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0; | |
1005 | int c_tlsextdebug = 0; | |
1006 | #ifndef OPENSSL_NO_OCSP | |
1007 | int c_status_req = 0; | |
1008 | #endif | |
1009 | BIO *bio_c_msg = NULL; | |
1010 | const char *keylog_file = NULL, *early_data_file = NULL; | |
1011 | #ifndef OPENSSL_NO_DTLS | |
1012 | int isdtls = 0; | |
1013 | #endif | |
1014 | char *psksessf = NULL; | |
1015 | int enable_pha = 0; | |
1016 | #ifndef OPENSSL_NO_SCTP | |
1017 | int sctp_label_bug = 0; | |
1018 | #endif | |
1019 | ||
1020 | FD_ZERO(&readfds); | |
1021 | FD_ZERO(&writefds); | |
1022 | /* Known false-positive of MemorySanitizer. */ | |
1023 | #if defined(__has_feature) | |
1024 | # if __has_feature(memory_sanitizer) | |
1025 | __msan_unpoison(&readfds, sizeof(readfds)); | |
1026 | __msan_unpoison(&writefds, sizeof(writefds)); | |
1027 | # endif | |
1028 | #endif | |
1029 | ||
1030 | prog = opt_progname(argv[0]); | |
1031 | c_quiet = 0; | |
1032 | c_debug = 0; | |
1033 | c_showcerts = 0; | |
1034 | c_nbio = 0; | |
1035 | vpm = X509_VERIFY_PARAM_new(); | |
1036 | cctx = SSL_CONF_CTX_new(); | |
1037 | ||
1038 | if (vpm == NULL || cctx == NULL) { | |
1039 | BIO_printf(bio_err, "%s: out of memory\n", prog); | |
1040 | goto end; | |
1041 | } | |
1042 | ||
1043 | cbuf = app_malloc(BUFSIZZ, "cbuf"); | |
1044 | sbuf = app_malloc(BUFSIZZ, "sbuf"); | |
1045 | mbuf = app_malloc(BUFSIZZ, "mbuf"); | |
1046 | ||
1047 | SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE); | |
1048 | ||
1049 | prog = opt_init(argc, argv, s_client_options); | |
1050 | while ((o = opt_next()) != OPT_EOF) { | |
1051 | /* Check for intermixing flags. */ | |
1052 | if (connect_type == use_unix && IS_INET_FLAG(o)) { | |
1053 | BIO_printf(bio_err, | |
1054 | "%s: Intermixed protocol flags (unix and internet domains)\n", | |
1055 | prog); | |
1056 | goto end; | |
1057 | } | |
1058 | if (connect_type == use_inet && IS_UNIX_FLAG(o)) { | |
1059 | BIO_printf(bio_err, | |
1060 | "%s: Intermixed protocol flags (internet and unix domains)\n", | |
1061 | prog); | |
1062 | goto end; | |
1063 | } | |
1064 | ||
1065 | if (IS_PROT_FLAG(o) && ++prot_opt > 1) { | |
1066 | BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); | |
1067 | goto end; | |
1068 | } | |
1069 | if (IS_NO_PROT_FLAG(o)) | |
1070 | no_prot_opt++; | |
1071 | if (prot_opt == 1 && no_prot_opt) { | |
1072 | BIO_printf(bio_err, | |
1073 | "Cannot supply both a protocol flag and '-no_<prot>'\n"); | |
1074 | goto end; | |
1075 | } | |
1076 | ||
1077 | switch (o) { | |
1078 | case OPT_EOF: | |
1079 | case OPT_ERR: | |
1080 | opthelp: | |
1081 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
1082 | goto end; | |
1083 | case OPT_HELP: | |
1084 | opt_help(s_client_options); | |
1085 | ret = 0; | |
1086 | goto end; | |
1087 | case OPT_4: | |
1088 | connect_type = use_inet; | |
1089 | socket_family = AF_INET; | |
1090 | count4or6++; | |
1091 | break; | |
1092 | #ifdef AF_INET6 | |
1093 | case OPT_6: | |
1094 | connect_type = use_inet; | |
1095 | socket_family = AF_INET6; | |
1096 | count4or6++; | |
1097 | break; | |
1098 | #endif | |
1099 | case OPT_HOST: | |
1100 | connect_type = use_inet; | |
1101 | freeandcopy(&host, opt_arg()); | |
1102 | break; | |
1103 | case OPT_PORT: | |
1104 | connect_type = use_inet; | |
1105 | freeandcopy(&port, opt_arg()); | |
1106 | break; | |
1107 | case OPT_CONNECT: | |
1108 | connect_type = use_inet; | |
1109 | freeandcopy(&connectstr, opt_arg()); | |
1110 | break; | |
1111 | case OPT_BIND: | |
1112 | freeandcopy(&bindstr, opt_arg()); | |
1113 | break; | |
1114 | case OPT_PROXY: | |
1115 | proxystr = opt_arg(); | |
1116 | starttls_proto = PROTO_CONNECT; | |
1117 | break; | |
1118 | case OPT_PROXY_USER: | |
1119 | proxyuser = opt_arg(); | |
1120 | break; | |
1121 | case OPT_PROXY_PASS: | |
1122 | proxypassarg = opt_arg(); | |
1123 | break; | |
1124 | #ifdef AF_UNIX | |
1125 | case OPT_UNIX: | |
1126 | connect_type = use_unix; | |
1127 | socket_family = AF_UNIX; | |
1128 | freeandcopy(&host, opt_arg()); | |
1129 | break; | |
1130 | #endif | |
1131 | case OPT_XMPPHOST: | |
1132 | /* fall through, since this is an alias */ | |
1133 | case OPT_PROTOHOST: | |
1134 | protohost = opt_arg(); | |
1135 | break; | |
1136 | case OPT_VERIFY: | |
1137 | verify = SSL_VERIFY_PEER; | |
1138 | verify_args.depth = atoi(opt_arg()); | |
1139 | if (!c_quiet) | |
1140 | BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth); | |
1141 | break; | |
1142 | case OPT_CERT: | |
1143 | cert_file = opt_arg(); | |
1144 | break; | |
1145 | case OPT_NAMEOPT: | |
1146 | if (!set_nameopt(opt_arg())) | |
1147 | goto end; | |
1148 | break; | |
1149 | case OPT_CRL: | |
1150 | crl_file = opt_arg(); | |
1151 | break; | |
1152 | case OPT_CRL_DOWNLOAD: | |
1153 | crl_download = 1; | |
1154 | break; | |
1155 | case OPT_SESS_OUT: | |
1156 | sess_out = opt_arg(); | |
1157 | break; | |
1158 | case OPT_SESS_IN: | |
1159 | sess_in = opt_arg(); | |
1160 | break; | |
1161 | case OPT_CERTFORM: | |
1162 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format)) | |
1163 | goto opthelp; | |
1164 | break; | |
1165 | case OPT_CRLFORM: | |
1166 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format)) | |
1167 | goto opthelp; | |
1168 | break; | |
1169 | case OPT_VERIFY_RET_ERROR: | |
1170 | verify = SSL_VERIFY_PEER; | |
1171 | verify_args.return_error = 1; | |
1172 | break; | |
1173 | case OPT_VERIFY_QUIET: | |
1174 | verify_args.quiet = 1; | |
1175 | break; | |
1176 | case OPT_BRIEF: | |
1177 | c_brief = verify_args.quiet = c_quiet = 1; | |
1178 | break; | |
1179 | case OPT_S_CASES: | |
1180 | if (ssl_args == NULL) | |
1181 | ssl_args = sk_OPENSSL_STRING_new_null(); | |
1182 | if (ssl_args == NULL | |
1183 | || !sk_OPENSSL_STRING_push(ssl_args, opt_flag()) | |
1184 | || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) { | |
1185 | BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); | |
1186 | goto end; | |
1187 | } | |
1188 | break; | |
1189 | case OPT_V_CASES: | |
1190 | if (!opt_verify(o, vpm)) | |
1191 | goto end; | |
1192 | vpmtouched++; | |
1193 | break; | |
1194 | case OPT_X_CASES: | |
1195 | if (!args_excert(o, &exc)) | |
1196 | goto end; | |
1197 | break; | |
1198 | case OPT_PREXIT: | |
1199 | prexit = 1; | |
1200 | break; | |
1201 | case OPT_CRLF: | |
1202 | crlf = 1; | |
1203 | break; | |
1204 | case OPT_QUIET: | |
1205 | c_quiet = c_ign_eof = 1; | |
1206 | break; | |
1207 | case OPT_NBIO: | |
1208 | c_nbio = 1; | |
1209 | break; | |
1210 | case OPT_NOCMDS: | |
1211 | cmdletters = 0; | |
1212 | break; | |
1213 | case OPT_ENGINE: | |
1214 | e = setup_engine(opt_arg(), 1); | |
1215 | break; | |
1216 | case OPT_SSL_CLIENT_ENGINE: | |
1217 | #ifndef OPENSSL_NO_ENGINE | |
1218 | ssl_client_engine = ENGINE_by_id(opt_arg()); | |
1219 | if (ssl_client_engine == NULL) { | |
1220 | BIO_printf(bio_err, "Error getting client auth engine\n"); | |
1221 | goto opthelp; | |
1222 | } | |
1223 | #endif | |
1224 | break; | |
1225 | case OPT_R_CASES: | |
1226 | if (!opt_rand(o)) | |
1227 | goto end; | |
1228 | break; | |
1229 | case OPT_PROV_CASES: | |
1230 | if (!opt_provider(o)) | |
1231 | goto end; | |
1232 | break; | |
1233 | case OPT_IGN_EOF: | |
1234 | c_ign_eof = 1; | |
1235 | break; | |
1236 | case OPT_NO_IGN_EOF: | |
1237 | c_ign_eof = 0; | |
1238 | break; | |
1239 | case OPT_DEBUG: | |
1240 | c_debug = 1; | |
1241 | break; | |
1242 | case OPT_TLSEXTDEBUG: | |
1243 | c_tlsextdebug = 1; | |
1244 | break; | |
1245 | case OPT_STATUS: | |
1246 | #ifndef OPENSSL_NO_OCSP | |
1247 | c_status_req = 1; | |
1248 | #endif | |
1249 | break; | |
1250 | case OPT_WDEBUG: | |
1251 | #ifdef WATT32 | |
1252 | dbug_init(); | |
1253 | #endif | |
1254 | break; | |
1255 | case OPT_MSG: | |
1256 | c_msg = 1; | |
1257 | break; | |
1258 | case OPT_MSGFILE: | |
1259 | bio_c_msg = BIO_new_file(opt_arg(), "w"); | |
1260 | break; | |
1261 | case OPT_TRACE: | |
1262 | #ifndef OPENSSL_NO_SSL_TRACE | |
1263 | c_msg = 2; | |
1264 | #endif | |
1265 | break; | |
1266 | case OPT_SECURITY_DEBUG: | |
1267 | sdebug = 1; | |
1268 | break; | |
1269 | case OPT_SECURITY_DEBUG_VERBOSE: | |
1270 | sdebug = 2; | |
1271 | break; | |
1272 | case OPT_SHOWCERTS: | |
1273 | c_showcerts = 1; | |
1274 | break; | |
1275 | case OPT_NBIO_TEST: | |
1276 | nbio_test = 1; | |
1277 | break; | |
1278 | case OPT_STATE: | |
1279 | state = 1; | |
1280 | break; | |
1281 | case OPT_PSK_IDENTITY: | |
1282 | psk_identity = opt_arg(); | |
1283 | break; | |
1284 | case OPT_PSK: | |
1285 | for (p = psk_key = opt_arg(); *p; p++) { | |
1286 | if (isxdigit(_UC(*p))) | |
1287 | continue; | |
1288 | BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key); | |
1289 | goto end; | |
1290 | } | |
1291 | break; | |
1292 | case OPT_PSK_SESS: | |
1293 | psksessf = opt_arg(); | |
1294 | break; | |
1295 | #ifndef OPENSSL_NO_SRP | |
1296 | case OPT_SRPUSER: | |
1297 | srp_arg.srplogin = opt_arg(); | |
1298 | if (min_version < TLS1_VERSION) | |
1299 | min_version = TLS1_VERSION; | |
1300 | break; | |
1301 | case OPT_SRPPASS: | |
1302 | srppass = opt_arg(); | |
1303 | if (min_version < TLS1_VERSION) | |
1304 | min_version = TLS1_VERSION; | |
1305 | break; | |
1306 | case OPT_SRP_STRENGTH: | |
1307 | srp_arg.strength = atoi(opt_arg()); | |
1308 | BIO_printf(bio_err, "SRP minimal length for N is %d\n", | |
1309 | srp_arg.strength); | |
1310 | if (min_version < TLS1_VERSION) | |
1311 | min_version = TLS1_VERSION; | |
1312 | break; | |
1313 | case OPT_SRP_LATEUSER: | |
1314 | srp_lateuser = 1; | |
1315 | if (min_version < TLS1_VERSION) | |
1316 | min_version = TLS1_VERSION; | |
1317 | break; | |
1318 | case OPT_SRP_MOREGROUPS: | |
1319 | srp_arg.amp = 1; | |
1320 | if (min_version < TLS1_VERSION) | |
1321 | min_version = TLS1_VERSION; | |
1322 | break; | |
1323 | #endif | |
1324 | case OPT_SSL_CONFIG: | |
1325 | ssl_config = opt_arg(); | |
1326 | break; | |
1327 | case OPT_SSL3: | |
1328 | min_version = SSL3_VERSION; | |
1329 | max_version = SSL3_VERSION; | |
1330 | break; | |
1331 | case OPT_TLS1_3: | |
1332 | min_version = TLS1_3_VERSION; | |
1333 | max_version = TLS1_3_VERSION; | |
1334 | break; | |
1335 | case OPT_TLS1_2: | |
1336 | min_version = TLS1_2_VERSION; | |
1337 | max_version = TLS1_2_VERSION; | |
1338 | break; | |
1339 | case OPT_TLS1_1: | |
1340 | min_version = TLS1_1_VERSION; | |
1341 | max_version = TLS1_1_VERSION; | |
1342 | break; | |
1343 | case OPT_TLS1: | |
1344 | min_version = TLS1_VERSION; | |
1345 | max_version = TLS1_VERSION; | |
1346 | break; | |
1347 | case OPT_DTLS: | |
1348 | #ifndef OPENSSL_NO_DTLS | |
1349 | meth = DTLS_client_method(); | |
1350 | socket_type = SOCK_DGRAM; | |
1351 | isdtls = 1; | |
1352 | #endif | |
1353 | break; | |
1354 | case OPT_DTLS1: | |
1355 | #ifndef OPENSSL_NO_DTLS1 | |
1356 | meth = DTLS_client_method(); | |
1357 | min_version = DTLS1_VERSION; | |
1358 | max_version = DTLS1_VERSION; | |
1359 | socket_type = SOCK_DGRAM; | |
1360 | isdtls = 1; | |
1361 | #endif | |
1362 | break; | |
1363 | case OPT_DTLS1_2: | |
1364 | #ifndef OPENSSL_NO_DTLS1_2 | |
1365 | meth = DTLS_client_method(); | |
1366 | min_version = DTLS1_2_VERSION; | |
1367 | max_version = DTLS1_2_VERSION; | |
1368 | socket_type = SOCK_DGRAM; | |
1369 | isdtls = 1; | |
1370 | #endif | |
1371 | break; | |
1372 | case OPT_SCTP: | |
1373 | #ifndef OPENSSL_NO_SCTP | |
1374 | protocol = IPPROTO_SCTP; | |
1375 | #endif | |
1376 | break; | |
1377 | case OPT_SCTP_LABEL_BUG: | |
1378 | #ifndef OPENSSL_NO_SCTP | |
1379 | sctp_label_bug = 1; | |
1380 | #endif | |
1381 | break; | |
1382 | case OPT_TIMEOUT: | |
1383 | #ifndef OPENSSL_NO_DTLS | |
1384 | enable_timeouts = 1; | |
1385 | #endif | |
1386 | break; | |
1387 | case OPT_MTU: | |
1388 | #ifndef OPENSSL_NO_DTLS | |
1389 | socket_mtu = atol(opt_arg()); | |
1390 | #endif | |
1391 | break; | |
1392 | case OPT_FALLBACKSCSV: | |
1393 | fallback_scsv = 1; | |
1394 | break; | |
1395 | case OPT_KEYFORM: | |
1396 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format)) | |
1397 | goto opthelp; | |
1398 | break; | |
1399 | case OPT_PASS: | |
1400 | passarg = opt_arg(); | |
1401 | break; | |
1402 | case OPT_CERT_CHAIN: | |
1403 | chain_file = opt_arg(); | |
1404 | break; | |
1405 | case OPT_KEY: | |
1406 | key_file = opt_arg(); | |
1407 | break; | |
1408 | case OPT_RECONNECT: | |
1409 | reconnect = 5; | |
1410 | break; | |
1411 | case OPT_CAPATH: | |
1412 | CApath = opt_arg(); | |
1413 | break; | |
1414 | case OPT_NOCAPATH: | |
1415 | noCApath = 1; | |
1416 | break; | |
1417 | case OPT_CHAINCAPATH: | |
1418 | chCApath = opt_arg(); | |
1419 | break; | |
1420 | case OPT_VERIFYCAPATH: | |
1421 | vfyCApath = opt_arg(); | |
1422 | break; | |
1423 | case OPT_BUILD_CHAIN: | |
1424 | build_chain = 1; | |
1425 | break; | |
1426 | case OPT_REQCAFILE: | |
1427 | ReqCAfile = opt_arg(); | |
1428 | break; | |
1429 | case OPT_CAFILE: | |
1430 | CAfile = opt_arg(); | |
1431 | break; | |
1432 | case OPT_NOCAFILE: | |
1433 | noCAfile = 1; | |
1434 | break; | |
1435 | #ifndef OPENSSL_NO_CT | |
1436 | case OPT_NOCT: | |
1437 | ct_validation = 0; | |
1438 | break; | |
1439 | case OPT_CT: | |
1440 | ct_validation = 1; | |
1441 | break; | |
1442 | case OPT_CTLOG_FILE: | |
1443 | ctlog_file = opt_arg(); | |
1444 | break; | |
1445 | #endif | |
1446 | case OPT_CHAINCAFILE: | |
1447 | chCAfile = opt_arg(); | |
1448 | break; | |
1449 | case OPT_VERIFYCAFILE: | |
1450 | vfyCAfile = opt_arg(); | |
1451 | break; | |
1452 | case OPT_CASTORE: | |
1453 | CAstore = opt_arg(); | |
1454 | break; | |
1455 | case OPT_NOCASTORE: | |
1456 | noCAstore = 1; | |
1457 | break; | |
1458 | case OPT_CHAINCASTORE: | |
1459 | chCAstore = opt_arg(); | |
1460 | break; | |
1461 | case OPT_VERIFYCASTORE: | |
1462 | vfyCAstore = opt_arg(); | |
1463 | break; | |
1464 | case OPT_DANE_TLSA_DOMAIN: | |
1465 | dane_tlsa_domain = opt_arg(); | |
1466 | break; | |
1467 | case OPT_DANE_TLSA_RRDATA: | |
1468 | if (dane_tlsa_rrset == NULL) | |
1469 | dane_tlsa_rrset = sk_OPENSSL_STRING_new_null(); | |
1470 | if (dane_tlsa_rrset == NULL || | |
1471 | !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) { | |
1472 | BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); | |
1473 | goto end; | |
1474 | } | |
1475 | break; | |
1476 | case OPT_DANE_EE_NO_NAME: | |
1477 | dane_ee_no_name = 1; | |
1478 | break; | |
1479 | case OPT_NEXTPROTONEG: | |
1480 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
1481 | next_proto_neg_in = opt_arg(); | |
1482 | #endif | |
1483 | break; | |
1484 | case OPT_ALPN: | |
1485 | alpn_in = opt_arg(); | |
1486 | break; | |
1487 | case OPT_SERVERINFO: | |
1488 | p = opt_arg(); | |
1489 | len = strlen(p); | |
1490 | for (start = 0, i = 0; i <= len; ++i) { | |
1491 | if (i == len || p[i] == ',') { | |
1492 | serverinfo_types[serverinfo_count] = atoi(p + start); | |
1493 | if (++serverinfo_count == MAX_SI_TYPES) | |
1494 | break; | |
1495 | start = i + 1; | |
1496 | } | |
1497 | } | |
1498 | break; | |
1499 | case OPT_STARTTLS: | |
1500 | if (!opt_pair(opt_arg(), services, &starttls_proto)) | |
1501 | goto end; | |
1502 | break; | |
1503 | case OPT_SERVERNAME: | |
1504 | servername = opt_arg(); | |
1505 | break; | |
1506 | case OPT_NOSERVERNAME: | |
1507 | noservername = 1; | |
1508 | break; | |
1509 | case OPT_USE_SRTP: | |
1510 | #ifndef OPENSSL_NO_SRTP | |
1511 | srtp_profiles = opt_arg(); | |
1512 | #endif | |
1513 | break; | |
1514 | case OPT_KEYMATEXPORT: | |
1515 | keymatexportlabel = opt_arg(); | |
1516 | break; | |
1517 | case OPT_KEYMATEXPORTLEN: | |
1518 | keymatexportlen = atoi(opt_arg()); | |
1519 | break; | |
1520 | case OPT_ASYNC: | |
1521 | async = 1; | |
1522 | break; | |
1523 | case OPT_MAXFRAGLEN: | |
1524 | len = atoi(opt_arg()); | |
1525 | switch (len) { | |
1526 | case 512: | |
1527 | maxfraglen = TLSEXT_max_fragment_length_512; | |
1528 | break; | |
1529 | case 1024: | |
1530 | maxfraglen = TLSEXT_max_fragment_length_1024; | |
1531 | break; | |
1532 | case 2048: | |
1533 | maxfraglen = TLSEXT_max_fragment_length_2048; | |
1534 | break; | |
1535 | case 4096: | |
1536 | maxfraglen = TLSEXT_max_fragment_length_4096; | |
1537 | break; | |
1538 | default: | |
1539 | BIO_printf(bio_err, | |
1540 | "%s: Max Fragment Len %u is out of permitted values", | |
1541 | prog, len); | |
1542 | goto opthelp; | |
1543 | } | |
1544 | break; | |
1545 | case OPT_MAX_SEND_FRAG: | |
1546 | max_send_fragment = atoi(opt_arg()); | |
1547 | break; | |
1548 | case OPT_SPLIT_SEND_FRAG: | |
1549 | split_send_fragment = atoi(opt_arg()); | |
1550 | break; | |
1551 | case OPT_MAX_PIPELINES: | |
1552 | max_pipelines = atoi(opt_arg()); | |
1553 | break; | |
1554 | case OPT_READ_BUF: | |
1555 | read_buf_len = atoi(opt_arg()); | |
1556 | break; | |
1557 | case OPT_KEYLOG_FILE: | |
1558 | keylog_file = opt_arg(); | |
1559 | break; | |
1560 | case OPT_EARLY_DATA: | |
1561 | early_data_file = opt_arg(); | |
1562 | break; | |
1563 | case OPT_ENABLE_PHA: | |
1564 | enable_pha = 1; | |
1565 | break; | |
1566 | } | |
1567 | } | |
1568 | ||
1569 | if (count4or6 >= 2) { | |
1570 | BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog); | |
1571 | goto opthelp; | |
1572 | } | |
1573 | if (noservername) { | |
1574 | if (servername != NULL) { | |
1575 | BIO_printf(bio_err, | |
1576 | "%s: Can't use -servername and -noservername together\n", | |
1577 | prog); | |
1578 | goto opthelp; | |
1579 | } | |
1580 | if (dane_tlsa_domain != NULL) { | |
1581 | BIO_printf(bio_err, | |
1582 | "%s: Can't use -dane_tlsa_domain and -noservername together\n", | |
1583 | prog); | |
1584 | goto opthelp; | |
1585 | } | |
1586 | } | |
1587 | argc = opt_num_rest(); | |
1588 | if (argc == 1) { | |
1589 | /* If there's a positional argument, it's the equivalent of | |
1590 | * OPT_CONNECT. | |
1591 | * Don't allow -connect and a separate argument. | |
1592 | */ | |
1593 | if (connectstr != NULL) { | |
1594 | BIO_printf(bio_err, | |
1595 | "%s: must not provide both -connect option and target parameter\n", | |
1596 | prog); | |
1597 | goto opthelp; | |
1598 | } | |
1599 | connect_type = use_inet; | |
1600 | freeandcopy(&connectstr, *opt_rest()); | |
1601 | } else if (argc != 0) { | |
1602 | goto opthelp; | |
1603 | } | |
1604 | ||
1605 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
1606 | if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) { | |
1607 | BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n"); | |
1608 | goto opthelp; | |
1609 | } | |
1610 | #endif | |
1611 | if (proxystr != NULL) { | |
1612 | int res; | |
1613 | char *tmp_host = host, *tmp_port = port; | |
1614 | if (connectstr == NULL) { | |
1615 | BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog); | |
1616 | goto opthelp; | |
1617 | } | |
1618 | res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST); | |
1619 | if (tmp_host != host) | |
1620 | OPENSSL_free(tmp_host); | |
1621 | if (tmp_port != port) | |
1622 | OPENSSL_free(tmp_port); | |
1623 | if (!res) { | |
1624 | BIO_printf(bio_err, | |
1625 | "%s: -proxy argument malformed or ambiguous\n", prog); | |
1626 | goto end; | |
1627 | } | |
1628 | } else { | |
1629 | int res = 1; | |
1630 | char *tmp_host = host, *tmp_port = port; | |
1631 | if (connectstr != NULL) | |
1632 | res = BIO_parse_hostserv(connectstr, &host, &port, | |
1633 | BIO_PARSE_PRIO_HOST); | |
1634 | if (tmp_host != host) | |
1635 | OPENSSL_free(tmp_host); | |
1636 | if (tmp_port != port) | |
1637 | OPENSSL_free(tmp_port); | |
1638 | if (!res) { | |
1639 | BIO_printf(bio_err, | |
1640 | "%s: -connect argument or target parameter malformed or ambiguous\n", | |
1641 | prog); | |
1642 | goto end; | |
1643 | } | |
1644 | } | |
1645 | ||
1646 | if (bindstr != NULL) { | |
1647 | int res; | |
1648 | res = BIO_parse_hostserv(bindstr, &bindhost, &bindport, | |
1649 | BIO_PARSE_PRIO_HOST); | |
1650 | if (!res) { | |
1651 | BIO_printf(bio_err, | |
1652 | "%s: -bind argument parameter malformed or ambiguous\n", | |
1653 | prog); | |
1654 | goto end; | |
1655 | } | |
1656 | } | |
1657 | ||
1658 | #ifdef AF_UNIX | |
1659 | if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) { | |
1660 | BIO_printf(bio_err, | |
1661 | "Can't use unix sockets and datagrams together\n"); | |
1662 | goto end; | |
1663 | } | |
1664 | #endif | |
1665 | ||
1666 | #ifndef OPENSSL_NO_SCTP | |
1667 | if (protocol == IPPROTO_SCTP) { | |
1668 | if (socket_type != SOCK_DGRAM) { | |
1669 | BIO_printf(bio_err, "Can't use -sctp without DTLS\n"); | |
1670 | goto end; | |
1671 | } | |
1672 | /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */ | |
1673 | socket_type = SOCK_STREAM; | |
1674 | } | |
1675 | #endif | |
1676 | ||
1677 | #if !defined(OPENSSL_NO_NEXTPROTONEG) | |
1678 | next_proto.status = -1; | |
1679 | if (next_proto_neg_in) { | |
1680 | next_proto.data = | |
1681 | next_protos_parse(&next_proto.len, next_proto_neg_in); | |
1682 | if (next_proto.data == NULL) { | |
1683 | BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); | |
1684 | goto end; | |
1685 | } | |
1686 | } else | |
1687 | next_proto.data = NULL; | |
1688 | #endif | |
1689 | ||
1690 | if (!app_passwd(passarg, NULL, &pass, NULL)) { | |
1691 | BIO_printf(bio_err, "Error getting private key password\n"); | |
1692 | goto end; | |
1693 | } | |
1694 | ||
1695 | if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) { | |
1696 | BIO_printf(bio_err, "Error getting proxy password\n"); | |
1697 | goto end; | |
1698 | } | |
1699 | ||
1700 | if (proxypass != NULL && proxyuser == NULL) { | |
1701 | BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n"); | |
1702 | goto end; | |
1703 | } | |
1704 | ||
1705 | if (key_file == NULL) | |
1706 | key_file = cert_file; | |
1707 | ||
1708 | if (key_file != NULL) { | |
1709 | key = load_key(key_file, key_format, 0, pass, e, | |
1710 | "client certificate private key file"); | |
1711 | if (key == NULL) { | |
1712 | ERR_print_errors(bio_err); | |
1713 | goto end; | |
1714 | } | |
1715 | } | |
1716 | ||
1717 | if (cert_file != NULL) { | |
1718 | cert = load_cert(cert_file, cert_format, "client certificate file"); | |
1719 | if (cert == NULL) { | |
1720 | ERR_print_errors(bio_err); | |
1721 | goto end; | |
1722 | } | |
1723 | } | |
1724 | ||
1725 | if (chain_file != NULL) { | |
1726 | if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL, | |
1727 | "client certificate chain")) | |
1728 | goto end; | |
1729 | } | |
1730 | ||
1731 | if (crl_file != NULL) { | |
1732 | X509_CRL *crl; | |
1733 | crl = load_crl(crl_file, crl_format); | |
1734 | if (crl == NULL) { | |
1735 | BIO_puts(bio_err, "Error loading CRL\n"); | |
1736 | ERR_print_errors(bio_err); | |
1737 | goto end; | |
1738 | } | |
1739 | crls = sk_X509_CRL_new_null(); | |
1740 | if (crls == NULL || !sk_X509_CRL_push(crls, crl)) { | |
1741 | BIO_puts(bio_err, "Error adding CRL\n"); | |
1742 | ERR_print_errors(bio_err); | |
1743 | X509_CRL_free(crl); | |
1744 | goto end; | |
1745 | } | |
1746 | } | |
1747 | ||
1748 | if (!load_excert(&exc)) | |
1749 | goto end; | |
1750 | ||
1751 | if (bio_c_out == NULL) { | |
1752 | if (c_quiet && !c_debug) { | |
1753 | bio_c_out = BIO_new(BIO_s_null()); | |
1754 | if (c_msg && bio_c_msg == NULL) | |
1755 | bio_c_msg = dup_bio_out(FORMAT_TEXT); | |
1756 | } else if (bio_c_out == NULL) | |
1757 | bio_c_out = dup_bio_out(FORMAT_TEXT); | |
1758 | } | |
1759 | #ifndef OPENSSL_NO_SRP | |
1760 | if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) { | |
1761 | BIO_printf(bio_err, "Error getting password\n"); | |
1762 | goto end; | |
1763 | } | |
1764 | #endif | |
1765 | ||
1766 | ctx = SSL_CTX_new(meth); | |
1767 | if (ctx == NULL) { | |
1768 | ERR_print_errors(bio_err); | |
1769 | goto end; | |
1770 | } | |
1771 | ||
1772 | SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY); | |
1773 | ||
1774 | if (sdebug) | |
1775 | ssl_ctx_security_debug(ctx, sdebug); | |
1776 | ||
1777 | if (!config_ctx(cctx, ssl_args, ctx)) | |
1778 | goto end; | |
1779 | ||
1780 | if (ssl_config != NULL) { | |
1781 | if (SSL_CTX_config(ctx, ssl_config) == 0) { | |
1782 | BIO_printf(bio_err, "Error using configuration \"%s\"\n", | |
1783 | ssl_config); | |
1784 | ERR_print_errors(bio_err); | |
1785 | goto end; | |
1786 | } | |
1787 | } | |
1788 | ||
1789 | #ifndef OPENSSL_NO_SCTP | |
1790 | if (protocol == IPPROTO_SCTP && sctp_label_bug == 1) | |
1791 | SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); | |
1792 | #endif | |
1793 | ||
1794 | if (min_version != 0 | |
1795 | && SSL_CTX_set_min_proto_version(ctx, min_version) == 0) | |
1796 | goto end; | |
1797 | if (max_version != 0 | |
1798 | && SSL_CTX_set_max_proto_version(ctx, max_version) == 0) | |
1799 | goto end; | |
1800 | ||
1801 | if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) { | |
1802 | BIO_printf(bio_err, "Error setting verify params\n"); | |
1803 | ERR_print_errors(bio_err); | |
1804 | goto end; | |
1805 | } | |
1806 | ||
1807 | if (async) { | |
1808 | SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC); | |
1809 | } | |
1810 | ||
1811 | if (max_send_fragment > 0 | |
1812 | && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) { | |
1813 | BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n", | |
1814 | prog, max_send_fragment); | |
1815 | goto end; | |
1816 | } | |
1817 | ||
1818 | if (split_send_fragment > 0 | |
1819 | && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) { | |
1820 | BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n", | |
1821 | prog, split_send_fragment); | |
1822 | goto end; | |
1823 | } | |
1824 | ||
1825 | if (max_pipelines > 0 | |
1826 | && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) { | |
1827 | BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n", | |
1828 | prog, max_pipelines); | |
1829 | goto end; | |
1830 | } | |
1831 | ||
1832 | if (read_buf_len > 0) { | |
1833 | SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len); | |
1834 | } | |
1835 | ||
1836 | if (maxfraglen > 0 | |
1837 | && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) { | |
1838 | BIO_printf(bio_err, | |
1839 | "%s: Max Fragment Length code %u is out of permitted values" | |
1840 | "\n", prog, maxfraglen); | |
1841 | goto end; | |
1842 | } | |
1843 | ||
1844 | if (!ssl_load_stores(ctx, | |
1845 | vfyCApath, vfyCAfile, vfyCAstore, | |
1846 | chCApath, chCAfile, chCAstore, | |
1847 | crls, crl_download)) { | |
1848 | BIO_printf(bio_err, "Error loading store locations\n"); | |
1849 | ERR_print_errors(bio_err); | |
1850 | goto end; | |
1851 | } | |
1852 | if (ReqCAfile != NULL) { | |
1853 | STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null(); | |
1854 | ||
1855 | if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) { | |
1856 | sk_X509_NAME_pop_free(nm, X509_NAME_free); | |
1857 | BIO_printf(bio_err, "Error loading CA names\n"); | |
1858 | ERR_print_errors(bio_err); | |
1859 | goto end; | |
1860 | } | |
1861 | SSL_CTX_set0_CA_list(ctx, nm); | |
1862 | } | |
1863 | #ifndef OPENSSL_NO_ENGINE | |
1864 | if (ssl_client_engine) { | |
1865 | if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) { | |
1866 | BIO_puts(bio_err, "Error setting client auth engine\n"); | |
1867 | ERR_print_errors(bio_err); | |
1868 | ENGINE_free(ssl_client_engine); | |
1869 | goto end; | |
1870 | } | |
1871 | ENGINE_free(ssl_client_engine); | |
1872 | } | |
1873 | #endif | |
1874 | ||
1875 | #ifndef OPENSSL_NO_PSK | |
1876 | if (psk_key != NULL) { | |
1877 | if (c_debug) | |
1878 | BIO_printf(bio_c_out, "PSK key given, setting client callback\n"); | |
1879 | SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); | |
1880 | } | |
1881 | #endif | |
1882 | if (psksessf != NULL) { | |
1883 | BIO *stmp = BIO_new_file(psksessf, "r"); | |
1884 | ||
1885 | if (stmp == NULL) { | |
1886 | BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf); | |
1887 | ERR_print_errors(bio_err); | |
1888 | goto end; | |
1889 | } | |
1890 | psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); | |
1891 | BIO_free(stmp); | |
1892 | if (psksess == NULL) { | |
1893 | BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf); | |
1894 | ERR_print_errors(bio_err); | |
1895 | goto end; | |
1896 | } | |
1897 | } | |
1898 | if (psk_key != NULL || psksess != NULL) | |
1899 | SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb); | |
1900 | ||
1901 | #ifndef OPENSSL_NO_SRTP | |
1902 | if (srtp_profiles != NULL) { | |
1903 | /* Returns 0 on success! */ | |
1904 | if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) { | |
1905 | BIO_printf(bio_err, "Error setting SRTP profile\n"); | |
1906 | ERR_print_errors(bio_err); | |
1907 | goto end; | |
1908 | } | |
1909 | } | |
1910 | #endif | |
1911 | ||
1912 | if (exc != NULL) | |
1913 | ssl_ctx_set_excert(ctx, exc); | |
1914 | ||
1915 | #if !defined(OPENSSL_NO_NEXTPROTONEG) | |
1916 | if (next_proto.data != NULL) | |
1917 | SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); | |
1918 | #endif | |
1919 | if (alpn_in) { | |
1920 | size_t alpn_len; | |
1921 | unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in); | |
1922 | ||
1923 | if (alpn == NULL) { | |
1924 | BIO_printf(bio_err, "Error parsing -alpn argument\n"); | |
1925 | goto end; | |
1926 | } | |
1927 | /* Returns 0 on success! */ | |
1928 | if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) { | |
1929 | BIO_printf(bio_err, "Error setting ALPN\n"); | |
1930 | goto end; | |
1931 | } | |
1932 | OPENSSL_free(alpn); | |
1933 | } | |
1934 | ||
1935 | for (i = 0; i < serverinfo_count; i++) { | |
1936 | if (!SSL_CTX_add_client_custom_ext(ctx, | |
1937 | serverinfo_types[i], | |
1938 | NULL, NULL, NULL, | |
1939 | serverinfo_cli_parse_cb, NULL)) { | |
1940 | BIO_printf(bio_err, | |
1941 | "Warning: Unable to add custom extension %u, skipping\n", | |
1942 | serverinfo_types[i]); | |
1943 | } | |
1944 | } | |
1945 | ||
1946 | if (state) | |
1947 | SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); | |
1948 | ||
1949 | #ifndef OPENSSL_NO_CT | |
1950 | /* Enable SCT processing, without early connection termination */ | |
1951 | if (ct_validation && | |
1952 | !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) { | |
1953 | ERR_print_errors(bio_err); | |
1954 | goto end; | |
1955 | } | |
1956 | ||
1957 | if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) { | |
1958 | if (ct_validation) { | |
1959 | ERR_print_errors(bio_err); | |
1960 | goto end; | |
1961 | } | |
1962 | ||
1963 | /* | |
1964 | * If CT validation is not enabled, the log list isn't needed so don't | |
1965 | * show errors or abort. We try to load it regardless because then we | |
1966 | * can show the names of the logs any SCTs came from (SCTs may be seen | |
1967 | * even with validation disabled). | |
1968 | */ | |
1969 | ERR_clear_error(); | |
1970 | } | |
1971 | #endif | |
1972 | ||
1973 | SSL_CTX_set_verify(ctx, verify, verify_callback); | |
1974 | ||
1975 | if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath, | |
1976 | CAstore, noCAstore)) { | |
1977 | ERR_print_errors(bio_err); | |
1978 | goto end; | |
1979 | } | |
1980 | ||
1981 | ssl_ctx_add_crls(ctx, crls, crl_download); | |
1982 | ||
1983 | if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain)) | |
1984 | goto end; | |
1985 | ||
1986 | if (!noservername) { | |
1987 | tlsextcbp.biodebug = bio_err; | |
1988 | SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); | |
1989 | SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); | |
1990 | } | |
1991 | # ifndef OPENSSL_NO_SRP | |
1992 | if (srp_arg.srplogin) { | |
1993 | if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) { | |
1994 | BIO_printf(bio_err, "Unable to set SRP username\n"); | |
1995 | goto end; | |
1996 | } | |
1997 | srp_arg.msg = c_msg; | |
1998 | srp_arg.debug = c_debug; | |
1999 | SSL_CTX_set_srp_cb_arg(ctx, &srp_arg); | |
2000 | SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); | |
2001 | SSL_CTX_set_srp_strength(ctx, srp_arg.strength); | |
2002 | if (c_msg || c_debug || srp_arg.amp == 0) | |
2003 | SSL_CTX_set_srp_verify_param_callback(ctx, | |
2004 | ssl_srp_verify_param_cb); | |
2005 | } | |
2006 | # endif | |
2007 | ||
2008 | if (dane_tlsa_domain != NULL) { | |
2009 | if (SSL_CTX_dane_enable(ctx) <= 0) { | |
2010 | BIO_printf(bio_err, | |
2011 | "%s: Error enabling DANE TLSA authentication.\n", | |
2012 | prog); | |
2013 | ERR_print_errors(bio_err); | |
2014 | goto end; | |
2015 | } | |
2016 | } | |
2017 | ||
2018 | /* | |
2019 | * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can | |
2020 | * come at any time. Therefore we use a callback to write out the session | |
2021 | * when we know about it. This approach works for < TLSv1.3 as well. | |
2022 | */ | |
2023 | SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT | |
2024 | | SSL_SESS_CACHE_NO_INTERNAL_STORE); | |
2025 | SSL_CTX_sess_set_new_cb(ctx, new_session_cb); | |
2026 | ||
2027 | if (set_keylog_file(ctx, keylog_file)) | |
2028 | goto end; | |
2029 | ||
2030 | con = SSL_new(ctx); | |
2031 | if (con == NULL) | |
2032 | goto end; | |
2033 | ||
2034 | if (enable_pha) | |
2035 | SSL_set_post_handshake_auth(con, 1); | |
2036 | ||
2037 | if (sess_in != NULL) { | |
2038 | SSL_SESSION *sess; | |
2039 | BIO *stmp = BIO_new_file(sess_in, "r"); | |
2040 | if (stmp == NULL) { | |
2041 | BIO_printf(bio_err, "Can't open session file %s\n", sess_in); | |
2042 | ERR_print_errors(bio_err); | |
2043 | goto end; | |
2044 | } | |
2045 | sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); | |
2046 | BIO_free(stmp); | |
2047 | if (sess == NULL) { | |
2048 | BIO_printf(bio_err, "Can't open session file %s\n", sess_in); | |
2049 | ERR_print_errors(bio_err); | |
2050 | goto end; | |
2051 | } | |
2052 | if (!SSL_set_session(con, sess)) { | |
2053 | BIO_printf(bio_err, "Can't set session\n"); | |
2054 | ERR_print_errors(bio_err); | |
2055 | goto end; | |
2056 | } | |
2057 | ||
2058 | SSL_SESSION_free(sess); | |
2059 | } | |
2060 | ||
2061 | if (fallback_scsv) | |
2062 | SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); | |
2063 | ||
2064 | if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) { | |
2065 | if (servername == NULL) { | |
2066 | if(host == NULL || is_dNS_name(host)) | |
2067 | servername = (host == NULL) ? "localhost" : host; | |
2068 | } | |
2069 | if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) { | |
2070 | BIO_printf(bio_err, "Unable to set TLS servername extension.\n"); | |
2071 | ERR_print_errors(bio_err); | |
2072 | goto end; | |
2073 | } | |
2074 | } | |
2075 | ||
2076 | if (dane_tlsa_domain != NULL) { | |
2077 | if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) { | |
2078 | BIO_printf(bio_err, "%s: Error enabling DANE TLSA " | |
2079 | "authentication.\n", prog); | |
2080 | ERR_print_errors(bio_err); | |
2081 | goto end; | |
2082 | } | |
2083 | if (dane_tlsa_rrset == NULL) { | |
2084 | BIO_printf(bio_err, "%s: DANE TLSA authentication requires at " | |
2085 | "least one -dane_tlsa_rrdata option.\n", prog); | |
2086 | goto end; | |
2087 | } | |
2088 | if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) { | |
2089 | BIO_printf(bio_err, "%s: Failed to import any TLSA " | |
2090 | "records.\n", prog); | |
2091 | goto end; | |
2092 | } | |
2093 | if (dane_ee_no_name) | |
2094 | SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS); | |
2095 | } else if (dane_tlsa_rrset != NULL) { | |
2096 | BIO_printf(bio_err, "%s: DANE TLSA authentication requires the " | |
2097 | "-dane_tlsa_domain option.\n", prog); | |
2098 | goto end; | |
2099 | } | |
2100 | ||
2101 | re_start: | |
2102 | if (init_client(&sock, host, port, bindhost, bindport, socket_family, | |
2103 | socket_type, protocol) == 0) { | |
2104 | BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error()); | |
2105 | BIO_closesocket(sock); | |
2106 | goto end; | |
2107 | } | |
2108 | BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock); | |
2109 | ||
2110 | if (c_nbio) { | |
2111 | if (!BIO_socket_nbio(sock, 1)) { | |
2112 | ERR_print_errors(bio_err); | |
2113 | goto end; | |
2114 | } | |
2115 | BIO_printf(bio_c_out, "Turned on non blocking io\n"); | |
2116 | } | |
2117 | #ifndef OPENSSL_NO_DTLS | |
2118 | if (isdtls) { | |
2119 | union BIO_sock_info_u peer_info; | |
2120 | ||
2121 | #ifndef OPENSSL_NO_SCTP | |
2122 | if (protocol == IPPROTO_SCTP) | |
2123 | sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); | |
2124 | else | |
2125 | #endif | |
2126 | sbio = BIO_new_dgram(sock, BIO_NOCLOSE); | |
2127 | ||
2128 | if ((peer_info.addr = BIO_ADDR_new()) == NULL) { | |
2129 | BIO_printf(bio_err, "memory allocation failure\n"); | |
2130 | BIO_closesocket(sock); | |
2131 | goto end; | |
2132 | } | |
2133 | if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) { | |
2134 | BIO_printf(bio_err, "getsockname:errno=%d\n", | |
2135 | get_last_socket_error()); | |
2136 | BIO_ADDR_free(peer_info.addr); | |
2137 | BIO_closesocket(sock); | |
2138 | goto end; | |
2139 | } | |
2140 | ||
2141 | (void)BIO_ctrl_set_connected(sbio, peer_info.addr); | |
2142 | BIO_ADDR_free(peer_info.addr); | |
2143 | peer_info.addr = NULL; | |
2144 | ||
2145 | if (enable_timeouts) { | |
2146 | timeout.tv_sec = 0; | |
2147 | timeout.tv_usec = DGRAM_RCV_TIMEOUT; | |
2148 | BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); | |
2149 | ||
2150 | timeout.tv_sec = 0; | |
2151 | timeout.tv_usec = DGRAM_SND_TIMEOUT; | |
2152 | BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); | |
2153 | } | |
2154 | ||
2155 | if (socket_mtu) { | |
2156 | if (socket_mtu < DTLS_get_link_min_mtu(con)) { | |
2157 | BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", | |
2158 | DTLS_get_link_min_mtu(con)); | |
2159 | BIO_free(sbio); | |
2160 | goto shut; | |
2161 | } | |
2162 | SSL_set_options(con, SSL_OP_NO_QUERY_MTU); | |
2163 | if (!DTLS_set_link_mtu(con, socket_mtu)) { | |
2164 | BIO_printf(bio_err, "Failed to set MTU\n"); | |
2165 | BIO_free(sbio); | |
2166 | goto shut; | |
2167 | } | |
2168 | } else { | |
2169 | /* want to do MTU discovery */ | |
2170 | BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); | |
2171 | } | |
2172 | } else | |
2173 | #endif /* OPENSSL_NO_DTLS */ | |
2174 | sbio = BIO_new_socket(sock, BIO_NOCLOSE); | |
2175 | ||
2176 | if (nbio_test) { | |
2177 | BIO *test; | |
2178 | ||
2179 | test = BIO_new(BIO_f_nbio_test()); | |
2180 | sbio = BIO_push(test, sbio); | |
2181 | } | |
2182 | ||
2183 | if (c_debug) { | |
2184 | BIO_set_callback(sbio, bio_dump_callback); | |
2185 | BIO_set_callback_arg(sbio, (char *)bio_c_out); | |
2186 | } | |
2187 | if (c_msg) { | |
2188 | #ifndef OPENSSL_NO_SSL_TRACE | |
2189 | if (c_msg == 2) | |
2190 | SSL_set_msg_callback(con, SSL_trace); | |
2191 | else | |
2192 | #endif | |
2193 | SSL_set_msg_callback(con, msg_cb); | |
2194 | SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out); | |
2195 | } | |
2196 | ||
2197 | if (c_tlsextdebug) { | |
2198 | SSL_set_tlsext_debug_callback(con, tlsext_cb); | |
2199 | SSL_set_tlsext_debug_arg(con, bio_c_out); | |
2200 | } | |
2201 | #ifndef OPENSSL_NO_OCSP | |
2202 | if (c_status_req) { | |
2203 | SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); | |
2204 | SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); | |
2205 | SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); | |
2206 | } | |
2207 | #endif | |
2208 | ||
2209 | SSL_set_bio(con, sbio, sbio); | |
2210 | SSL_set_connect_state(con); | |
2211 | ||
2212 | /* ok, lets connect */ | |
2213 | if (fileno_stdin() > SSL_get_fd(con)) | |
2214 | width = fileno_stdin() + 1; | |
2215 | else | |
2216 | width = SSL_get_fd(con) + 1; | |
2217 | ||
2218 | read_tty = 1; | |
2219 | write_tty = 0; | |
2220 | tty_on = 0; | |
2221 | read_ssl = 1; | |
2222 | write_ssl = 1; | |
2223 | ||
2224 | cbuf_len = 0; | |
2225 | cbuf_off = 0; | |
2226 | sbuf_len = 0; | |
2227 | sbuf_off = 0; | |
2228 | ||
2229 | switch ((PROTOCOL_CHOICE) starttls_proto) { | |
2230 | case PROTO_OFF: | |
2231 | break; | |
2232 | case PROTO_LMTP: | |
2233 | case PROTO_SMTP: | |
2234 | { | |
2235 | /* | |
2236 | * This is an ugly hack that does a lot of assumptions. We do | |
2237 | * have to handle multi-line responses which may come in a single | |
2238 | * packet or not. We therefore have to use BIO_gets() which does | |
2239 | * need a buffering BIO. So during the initial chitchat we do | |
2240 | * push a buffering BIO into the chain that is removed again | |
2241 | * later on to not disturb the rest of the s_client operation. | |
2242 | */ | |
2243 | int foundit = 0; | |
2244 | BIO *fbio = BIO_new(BIO_f_buffer()); | |
2245 | ||
2246 | BIO_push(fbio, sbio); | |
2247 | /* Wait for multi-line response to end from LMTP or SMTP */ | |
2248 | do { | |
2249 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); | |
2250 | } while (mbuf_len > 3 && mbuf[3] == '-'); | |
2251 | if (protohost == NULL) | |
2252 | protohost = "mail.example.com"; | |
2253 | if (starttls_proto == (int)PROTO_LMTP) | |
2254 | BIO_printf(fbio, "LHLO %s\r\n", protohost); | |
2255 | else | |
2256 | BIO_printf(fbio, "EHLO %s\r\n", protohost); | |
2257 | (void)BIO_flush(fbio); | |
2258 | /* | |
2259 | * Wait for multi-line response to end LHLO LMTP or EHLO SMTP | |
2260 | * response. | |
2261 | */ | |
2262 | do { | |
2263 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); | |
2264 | if (strstr(mbuf, "STARTTLS")) | |
2265 | foundit = 1; | |
2266 | } while (mbuf_len > 3 && mbuf[3] == '-'); | |
2267 | (void)BIO_flush(fbio); | |
2268 | BIO_pop(fbio); | |
2269 | BIO_free(fbio); | |
2270 | if (!foundit) | |
2271 | BIO_printf(bio_err, | |
2272 | "Didn't find STARTTLS in server response," | |
2273 | " trying anyway...\n"); | |
2274 | BIO_printf(sbio, "STARTTLS\r\n"); | |
2275 | BIO_read(sbio, sbuf, BUFSIZZ); | |
2276 | } | |
2277 | break; | |
2278 | case PROTO_POP3: | |
2279 | { | |
2280 | BIO_read(sbio, mbuf, BUFSIZZ); | |
2281 | BIO_printf(sbio, "STLS\r\n"); | |
2282 | mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ); | |
2283 | if (mbuf_len < 0) { | |
2284 | BIO_printf(bio_err, "BIO_read failed\n"); | |
2285 | goto end; | |
2286 | } | |
2287 | } | |
2288 | break; | |
2289 | case PROTO_IMAP: | |
2290 | { | |
2291 | int foundit = 0; | |
2292 | BIO *fbio = BIO_new(BIO_f_buffer()); | |
2293 | ||
2294 | BIO_push(fbio, sbio); | |
2295 | BIO_gets(fbio, mbuf, BUFSIZZ); | |
2296 | /* STARTTLS command requires CAPABILITY... */ | |
2297 | BIO_printf(fbio, ". CAPABILITY\r\n"); | |
2298 | (void)BIO_flush(fbio); | |
2299 | /* wait for multi-line CAPABILITY response */ | |
2300 | do { | |
2301 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); | |
2302 | if (strstr(mbuf, "STARTTLS")) | |
2303 | foundit = 1; | |
2304 | } | |
2305 | while (mbuf_len > 3 && mbuf[0] != '.'); | |
2306 | (void)BIO_flush(fbio); | |
2307 | BIO_pop(fbio); | |
2308 | BIO_free(fbio); | |
2309 | if (!foundit) | |
2310 | BIO_printf(bio_err, | |
2311 | "Didn't find STARTTLS in server response," | |
2312 | " trying anyway...\n"); | |
2313 | BIO_printf(sbio, ". STARTTLS\r\n"); | |
2314 | BIO_read(sbio, sbuf, BUFSIZZ); | |
2315 | } | |
2316 | break; | |
2317 | case PROTO_FTP: | |
2318 | { | |
2319 | BIO *fbio = BIO_new(BIO_f_buffer()); | |
2320 | ||
2321 | BIO_push(fbio, sbio); | |
2322 | /* wait for multi-line response to end from FTP */ | |
2323 | do { | |
2324 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); | |
2325 | } | |
2326 | while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' ')); | |
2327 | (void)BIO_flush(fbio); | |
2328 | BIO_pop(fbio); | |
2329 | BIO_free(fbio); | |
2330 | BIO_printf(sbio, "AUTH TLS\r\n"); | |
2331 | BIO_read(sbio, sbuf, BUFSIZZ); | |
2332 | } | |
2333 | break; | |
2334 | case PROTO_XMPP: | |
2335 | case PROTO_XMPP_SERVER: | |
2336 | { | |
2337 | int seen = 0; | |
2338 | BIO_printf(sbio, "<stream:stream " | |
2339 | "xmlns:stream='http://etherx.jabber.org/streams' " | |
2340 | "xmlns='jabber:%s' to='%s' version='1.0'>", | |
2341 | starttls_proto == PROTO_XMPP ? "client" : "server", | |
2342 | protohost ? protohost : host); | |
2343 | seen = BIO_read(sbio, mbuf, BUFSIZZ); | |
2344 | if (seen < 0) { | |
2345 | BIO_printf(bio_err, "BIO_read failed\n"); | |
2346 | goto end; | |
2347 | } | |
2348 | mbuf[seen] = '\0'; | |
2349 | while (!strstr | |
2350 | (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") | |
2351 | && !strstr(mbuf, | |
2352 | "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) | |
2353 | { | |
2354 | seen = BIO_read(sbio, mbuf, BUFSIZZ); | |
2355 | ||
2356 | if (seen <= 0) | |
2357 | goto shut; | |
2358 | ||
2359 | mbuf[seen] = '\0'; | |
2360 | } | |
2361 | BIO_printf(sbio, | |
2362 | "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); | |
2363 | seen = BIO_read(sbio, sbuf, BUFSIZZ); | |
2364 | if (seen < 0) { | |
2365 | BIO_printf(bio_err, "BIO_read failed\n"); | |
2366 | goto shut; | |
2367 | } | |
2368 | sbuf[seen] = '\0'; | |
2369 | if (!strstr(sbuf, "<proceed")) | |
2370 | goto shut; | |
2371 | mbuf[0] = '\0'; | |
2372 | } | |
2373 | break; | |
2374 | case PROTO_TELNET: | |
2375 | { | |
2376 | static const unsigned char tls_do[] = { | |
2377 | /* IAC DO START_TLS */ | |
2378 | 255, 253, 46 | |
2379 | }; | |
2380 | static const unsigned char tls_will[] = { | |
2381 | /* IAC WILL START_TLS */ | |
2382 | 255, 251, 46 | |
2383 | }; | |
2384 | static const unsigned char tls_follows[] = { | |
2385 | /* IAC SB START_TLS FOLLOWS IAC SE */ | |
2386 | 255, 250, 46, 1, 255, 240 | |
2387 | }; | |
2388 | int bytes; | |
2389 | ||
2390 | /* Telnet server should demand we issue START_TLS */ | |
2391 | bytes = BIO_read(sbio, mbuf, BUFSIZZ); | |
2392 | if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0) | |
2393 | goto shut; | |
2394 | /* Agree to issue START_TLS and send the FOLLOWS sub-command */ | |
2395 | BIO_write(sbio, tls_will, 3); | |
2396 | BIO_write(sbio, tls_follows, 6); | |
2397 | (void)BIO_flush(sbio); | |
2398 | /* Telnet server also sent the FOLLOWS sub-command */ | |
2399 | bytes = BIO_read(sbio, mbuf, BUFSIZZ); | |
2400 | if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0) | |
2401 | goto shut; | |
2402 | } | |
2403 | break; | |
2404 | case PROTO_CONNECT: | |
2405 | if (!OSSL_HTTP_proxy_connect(sbio, host, port, proxyuser, proxypass, | |
2406 | 0 /* no timeout */, bio_err, prog)) | |
2407 | goto shut; | |
2408 | break; | |
2409 | case PROTO_IRC: | |
2410 | { | |
2411 | int numeric; | |
2412 | BIO *fbio = BIO_new(BIO_f_buffer()); | |
2413 | ||
2414 | BIO_push(fbio, sbio); | |
2415 | BIO_printf(fbio, "STARTTLS\r\n"); | |
2416 | (void)BIO_flush(fbio); | |
2417 | width = SSL_get_fd(con) + 1; | |
2418 | ||
2419 | do { | |
2420 | numeric = 0; | |
2421 | ||
2422 | FD_ZERO(&readfds); | |
2423 | openssl_fdset(SSL_get_fd(con), &readfds); | |
2424 | timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT; | |
2425 | timeout.tv_usec = 0; | |
2426 | /* | |
2427 | * If the IRCd doesn't respond within | |
2428 | * S_CLIENT_IRC_READ_TIMEOUT seconds, assume | |
2429 | * it doesn't support STARTTLS. Many IRCds | |
2430 | * will not give _any_ sort of response to a | |
2431 | * STARTTLS command when it's not supported. | |
2432 | */ | |
2433 | if (!BIO_get_buffer_num_lines(fbio) | |
2434 | && !BIO_pending(fbio) | |
2435 | && !BIO_pending(sbio) | |
2436 | && select(width, (void *)&readfds, NULL, NULL, | |
2437 | &timeout) < 1) { | |
2438 | BIO_printf(bio_err, | |
2439 | "Timeout waiting for response (%d seconds).\n", | |
2440 | S_CLIENT_IRC_READ_TIMEOUT); | |
2441 | break; | |
2442 | } | |
2443 | ||
2444 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); | |
2445 | if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1) | |
2446 | break; | |
2447 | /* :example.net 451 STARTTLS :You have not registered */ | |
2448 | /* :example.net 421 STARTTLS :Unknown command */ | |
2449 | if ((numeric == 451 || numeric == 421) | |
2450 | && strstr(mbuf, "STARTTLS") != NULL) { | |
2451 | BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf); | |
2452 | break; | |
2453 | } | |
2454 | if (numeric == 691) { | |
2455 | BIO_printf(bio_err, "STARTTLS negotiation failed: "); | |
2456 | ERR_print_errors(bio_err); | |
2457 | break; | |
2458 | } | |
2459 | } while (numeric != 670); | |
2460 | ||
2461 | (void)BIO_flush(fbio); | |
2462 | BIO_pop(fbio); | |
2463 | BIO_free(fbio); | |
2464 | if (numeric != 670) { | |
2465 | BIO_printf(bio_err, "Server does not support STARTTLS.\n"); | |
2466 | ret = 1; | |
2467 | goto shut; | |
2468 | } | |
2469 | } | |
2470 | break; | |
2471 | case PROTO_MYSQL: | |
2472 | { | |
2473 | /* SSL request packet */ | |
2474 | static const unsigned char ssl_req[] = { | |
2475 | /* payload_length, sequence_id */ | |
2476 | 0x20, 0x00, 0x00, 0x01, | |
2477 | /* payload */ | |
2478 | /* capability flags, CLIENT_SSL always set */ | |
2479 | 0x85, 0xae, 0x7f, 0x00, | |
2480 | /* max-packet size */ | |
2481 | 0x00, 0x00, 0x00, 0x01, | |
2482 | /* character set */ | |
2483 | 0x21, | |
2484 | /* string[23] reserved (all [0]) */ | |
2485 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2486 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2487 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
2488 | }; | |
2489 | int bytes = 0; | |
2490 | int ssl_flg = 0x800; | |
2491 | int pos; | |
2492 | const unsigned char *packet = (const unsigned char *)sbuf; | |
2493 | ||
2494 | /* Receiving Initial Handshake packet. */ | |
2495 | bytes = BIO_read(sbio, (void *)packet, BUFSIZZ); | |
2496 | if (bytes < 0) { | |
2497 | BIO_printf(bio_err, "BIO_read failed\n"); | |
2498 | goto shut; | |
2499 | /* Packet length[3], Packet number[1] + minimum payload[17] */ | |
2500 | } else if (bytes < 21) { | |
2501 | BIO_printf(bio_err, "MySQL packet too short.\n"); | |
2502 | goto shut; | |
2503 | } else if (bytes != (4 + packet[0] + | |
2504 | (packet[1] << 8) + | |
2505 | (packet[2] << 16))) { | |
2506 | BIO_printf(bio_err, "MySQL packet length does not match.\n"); | |
2507 | goto shut; | |
2508 | /* protocol version[1] */ | |
2509 | } else if (packet[4] != 0xA) { | |
2510 | BIO_printf(bio_err, | |
2511 | "Only MySQL protocol version 10 is supported.\n"); | |
2512 | goto shut; | |
2513 | } | |
2514 | ||
2515 | pos = 5; | |
2516 | /* server version[string+NULL] */ | |
2517 | for (;;) { | |
2518 | if (pos >= bytes) { | |
2519 | BIO_printf(bio_err, "Cannot confirm server version. "); | |
2520 | goto shut; | |
2521 | } else if (packet[pos++] == '\0') { | |
2522 | break; | |
2523 | } | |
2524 | } | |
2525 | ||
2526 | /* make sure we have at least 15 bytes left in the packet */ | |
2527 | if (pos + 15 > bytes) { | |
2528 | BIO_printf(bio_err, | |
2529 | "MySQL server handshake packet is broken.\n"); | |
2530 | goto shut; | |
2531 | } | |
2532 | ||
2533 | pos += 12; /* skip over conn id[4] + SALT[8] */ | |
2534 | if (packet[pos++] != '\0') { /* verify filler */ | |
2535 | BIO_printf(bio_err, | |
2536 | "MySQL packet is broken.\n"); | |
2537 | goto shut; | |
2538 | } | |
2539 | ||
2540 | /* capability flags[2] */ | |
2541 | if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) { | |
2542 | BIO_printf(bio_err, "MySQL server does not support SSL.\n"); | |
2543 | goto shut; | |
2544 | } | |
2545 | ||
2546 | /* Sending SSL Handshake packet. */ | |
2547 | BIO_write(sbio, ssl_req, sizeof(ssl_req)); | |
2548 | (void)BIO_flush(sbio); | |
2549 | } | |
2550 | break; | |
2551 | case PROTO_POSTGRES: | |
2552 | { | |
2553 | static const unsigned char ssl_request[] = { | |
2554 | /* Length SSLRequest */ | |
2555 | 0, 0, 0, 8, 4, 210, 22, 47 | |
2556 | }; | |
2557 | int bytes; | |
2558 | ||
2559 | /* Send SSLRequest packet */ | |
2560 | BIO_write(sbio, ssl_request, 8); | |
2561 | (void)BIO_flush(sbio); | |
2562 | ||
2563 | /* Reply will be a single S if SSL is enabled */ | |
2564 | bytes = BIO_read(sbio, sbuf, BUFSIZZ); | |
2565 | if (bytes != 1 || sbuf[0] != 'S') | |
2566 | goto shut; | |
2567 | } | |
2568 | break; | |
2569 | case PROTO_NNTP: | |
2570 | { | |
2571 | int foundit = 0; | |
2572 | BIO *fbio = BIO_new(BIO_f_buffer()); | |
2573 | ||
2574 | BIO_push(fbio, sbio); | |
2575 | BIO_gets(fbio, mbuf, BUFSIZZ); | |
2576 | /* STARTTLS command requires CAPABILITIES... */ | |
2577 | BIO_printf(fbio, "CAPABILITIES\r\n"); | |
2578 | (void)BIO_flush(fbio); | |
2579 | BIO_gets(fbio, mbuf, BUFSIZZ); | |
2580 | /* no point in trying to parse the CAPABILITIES response if there is none */ | |
2581 | if (strstr(mbuf, "101") != NULL) { | |
2582 | /* wait for multi-line CAPABILITIES response */ | |
2583 | do { | |
2584 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); | |
2585 | if (strstr(mbuf, "STARTTLS")) | |
2586 | foundit = 1; | |
2587 | } while (mbuf_len > 1 && mbuf[0] != '.'); | |
2588 | } | |
2589 | (void)BIO_flush(fbio); | |
2590 | BIO_pop(fbio); | |
2591 | BIO_free(fbio); | |
2592 | if (!foundit) | |
2593 | BIO_printf(bio_err, | |
2594 | "Didn't find STARTTLS in server response," | |
2595 | " trying anyway...\n"); | |
2596 | BIO_printf(sbio, "STARTTLS\r\n"); | |
2597 | mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ); | |
2598 | if (mbuf_len < 0) { | |
2599 | BIO_printf(bio_err, "BIO_read failed\n"); | |
2600 | goto end; | |
2601 | } | |
2602 | mbuf[mbuf_len] = '\0'; | |
2603 | if (strstr(mbuf, "382") == NULL) { | |
2604 | BIO_printf(bio_err, "STARTTLS failed: %s", mbuf); | |
2605 | goto shut; | |
2606 | } | |
2607 | } | |
2608 | break; | |
2609 | case PROTO_SIEVE: | |
2610 | { | |
2611 | int foundit = 0; | |
2612 | BIO *fbio = BIO_new(BIO_f_buffer()); | |
2613 | ||
2614 | BIO_push(fbio, sbio); | |
2615 | /* wait for multi-line response to end from Sieve */ | |
2616 | do { | |
2617 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); | |
2618 | /* | |
2619 | * According to RFC 5804 § 1.7, capability | |
2620 | * is case-insensitive, make it uppercase | |
2621 | */ | |
2622 | if (mbuf_len > 1 && mbuf[0] == '"') { | |
2623 | make_uppercase(mbuf); | |
2624 | if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0) | |
2625 | foundit = 1; | |
2626 | } | |
2627 | } while (mbuf_len > 1 && mbuf[0] == '"'); | |
2628 | (void)BIO_flush(fbio); | |
2629 | BIO_pop(fbio); | |
2630 | BIO_free(fbio); | |
2631 | if (!foundit) | |
2632 | BIO_printf(bio_err, | |
2633 | "Didn't find STARTTLS in server response," | |
2634 | " trying anyway...\n"); | |
2635 | BIO_printf(sbio, "STARTTLS\r\n"); | |
2636 | mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ); | |
2637 | if (mbuf_len < 0) { | |
2638 | BIO_printf(bio_err, "BIO_read failed\n"); | |
2639 | goto end; | |
2640 | } | |
2641 | mbuf[mbuf_len] = '\0'; | |
2642 | if (mbuf_len < 2) { | |
2643 | BIO_printf(bio_err, "STARTTLS failed: %s", mbuf); | |
2644 | goto shut; | |
2645 | } | |
2646 | /* | |
2647 | * According to RFC 5804 § 2.2, response codes are case- | |
2648 | * insensitive, make it uppercase but preserve the response. | |
2649 | */ | |
2650 | strncpy(sbuf, mbuf, 2); | |
2651 | make_uppercase(sbuf); | |
2652 | if (strncmp(sbuf, "OK", 2) != 0) { | |
2653 | BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf); | |
2654 | goto shut; | |
2655 | } | |
2656 | } | |
2657 | break; | |
2658 | case PROTO_LDAP: | |
2659 | { | |
2660 | /* StartTLS Operation according to RFC 4511 */ | |
2661 | static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n" | |
2662 | "[LDAPMessage]\n" | |
2663 | "messageID=INTEGER:1\n" | |
2664 | "extendedReq=EXPLICIT:23A,IMPLICIT:0C," | |
2665 | "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n"; | |
2666 | long errline = -1; | |
2667 | char *genstr = NULL; | |
2668 | int result = -1; | |
2669 | ASN1_TYPE *atyp = NULL; | |
2670 | BIO *ldapbio = BIO_new(BIO_s_mem()); | |
2671 | CONF *cnf = NCONF_new(NULL); | |
2672 | ||
2673 | if (cnf == NULL) { | |
2674 | BIO_free(ldapbio); | |
2675 | goto end; | |
2676 | } | |
2677 | BIO_puts(ldapbio, ldap_tls_genconf); | |
2678 | if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) { | |
2679 | BIO_free(ldapbio); | |
2680 | NCONF_free(cnf); | |
2681 | if (errline <= 0) { | |
2682 | BIO_printf(bio_err, "NCONF_load_bio failed\n"); | |
2683 | goto end; | |
2684 | } else { | |
2685 | BIO_printf(bio_err, "Error on line %ld\n", errline); | |
2686 | goto end; | |
2687 | } | |
2688 | } | |
2689 | BIO_free(ldapbio); | |
2690 | genstr = NCONF_get_string(cnf, "default", "asn1"); | |
2691 | if (genstr == NULL) { | |
2692 | NCONF_free(cnf); | |
2693 | BIO_printf(bio_err, "NCONF_get_string failed\n"); | |
2694 | goto end; | |
2695 | } | |
2696 | atyp = ASN1_generate_nconf(genstr, cnf); | |
2697 | if (atyp == NULL) { | |
2698 | NCONF_free(cnf); | |
2699 | BIO_printf(bio_err, "ASN1_generate_nconf failed\n"); | |
2700 | goto end; | |
2701 | } | |
2702 | NCONF_free(cnf); | |
2703 | ||
2704 | /* Send SSLRequest packet */ | |
2705 | BIO_write(sbio, atyp->value.sequence->data, | |
2706 | atyp->value.sequence->length); | |
2707 | (void)BIO_flush(sbio); | |
2708 | ASN1_TYPE_free(atyp); | |
2709 | ||
2710 | mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ); | |
2711 | if (mbuf_len < 0) { | |
2712 | BIO_printf(bio_err, "BIO_read failed\n"); | |
2713 | goto end; | |
2714 | } | |
2715 | result = ldap_ExtendedResponse_parse(mbuf, mbuf_len); | |
2716 | if (result < 0) { | |
2717 | BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n"); | |
2718 | goto shut; | |
2719 | } else if (result > 0) { | |
2720 | BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n", | |
2721 | result); | |
2722 | goto shut; | |
2723 | } | |
2724 | mbuf_len = 0; | |
2725 | } | |
2726 | break; | |
2727 | } | |
2728 | ||
2729 | if (early_data_file != NULL | |
2730 | && ((SSL_get0_session(con) != NULL | |
2731 | && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0) | |
2732 | || (psksess != NULL | |
2733 | && SSL_SESSION_get_max_early_data(psksess) > 0))) { | |
2734 | BIO *edfile = BIO_new_file(early_data_file, "r"); | |
2735 | size_t readbytes, writtenbytes; | |
2736 | int finish = 0; | |
2737 | ||
2738 | if (edfile == NULL) { | |
2739 | BIO_printf(bio_err, "Cannot open early data file\n"); | |
2740 | goto shut; | |
2741 | } | |
2742 | ||
2743 | while (!finish) { | |
2744 | if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes)) | |
2745 | finish = 1; | |
2746 | ||
2747 | while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) { | |
2748 | switch (SSL_get_error(con, 0)) { | |
2749 | case SSL_ERROR_WANT_WRITE: | |
2750 | case SSL_ERROR_WANT_ASYNC: | |
2751 | case SSL_ERROR_WANT_READ: | |
2752 | /* Just keep trying - busy waiting */ | |
2753 | continue; | |
2754 | default: | |
2755 | BIO_printf(bio_err, "Error writing early data\n"); | |
2756 | BIO_free(edfile); | |
2757 | ERR_print_errors(bio_err); | |
2758 | goto shut; | |
2759 | } | |
2760 | } | |
2761 | } | |
2762 | ||
2763 | BIO_free(edfile); | |
2764 | } | |
2765 | ||
2766 | for (;;) { | |
2767 | FD_ZERO(&readfds); | |
2768 | FD_ZERO(&writefds); | |
2769 | ||
2770 | if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout)) | |
2771 | timeoutp = &timeout; | |
2772 | else | |
2773 | timeoutp = NULL; | |
2774 | ||
2775 | if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0 | |
2776 | && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) { | |
2777 | in_init = 1; | |
2778 | tty_on = 0; | |
2779 | } else { | |
2780 | tty_on = 1; | |
2781 | if (in_init) { | |
2782 | in_init = 0; | |
2783 | ||
2784 | if (c_brief) { | |
2785 | BIO_puts(bio_err, "CONNECTION ESTABLISHED\n"); | |
2786 | print_ssl_summary(con); | |
2787 | } | |
2788 | ||
2789 | print_stuff(bio_c_out, con, full_log); | |
2790 | if (full_log > 0) | |
2791 | full_log--; | |
2792 | ||
2793 | if (starttls_proto) { | |
2794 | BIO_write(bio_err, mbuf, mbuf_len); | |
2795 | /* We don't need to know any more */ | |
2796 | if (!reconnect) | |
2797 | starttls_proto = PROTO_OFF; | |
2798 | } | |
2799 | ||
2800 | if (reconnect) { | |
2801 | reconnect--; | |
2802 | BIO_printf(bio_c_out, | |
2803 | "drop connection and then reconnect\n"); | |
2804 | do_ssl_shutdown(con); | |
2805 | SSL_set_connect_state(con); | |
2806 | BIO_closesocket(SSL_get_fd(con)); | |
2807 | goto re_start; | |
2808 | } | |
2809 | } | |
2810 | } | |
2811 | ||
2812 | ssl_pending = read_ssl && SSL_has_pending(con); | |
2813 | ||
2814 | if (!ssl_pending) { | |
2815 | #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) | |
2816 | if (tty_on) { | |
2817 | /* | |
2818 | * Note that select() returns when read _would not block_, | |
2819 | * and EOF satisfies that. To avoid a CPU-hogging loop, | |
2820 | * set the flag so we exit. | |
2821 | */ | |
2822 | if (read_tty && !at_eof) | |
2823 | openssl_fdset(fileno_stdin(), &readfds); | |
2824 | #if !defined(OPENSSL_SYS_VMS) | |
2825 | if (write_tty) | |
2826 | openssl_fdset(fileno_stdout(), &writefds); | |
2827 | #endif | |
2828 | } | |
2829 | if (read_ssl) | |
2830 | openssl_fdset(SSL_get_fd(con), &readfds); | |
2831 | if (write_ssl) | |
2832 | openssl_fdset(SSL_get_fd(con), &writefds); | |
2833 | #else | |
2834 | if (!tty_on || !write_tty) { | |
2835 | if (read_ssl) | |
2836 | openssl_fdset(SSL_get_fd(con), &readfds); | |
2837 | if (write_ssl) | |
2838 | openssl_fdset(SSL_get_fd(con), &writefds); | |
2839 | } | |
2840 | #endif | |
2841 | ||
2842 | /* | |
2843 | * Note: under VMS with SOCKETSHR the second parameter is | |
2844 | * currently of type (int *) whereas under other systems it is | |
2845 | * (void *) if you don't have a cast it will choke the compiler: | |
2846 | * if you do have a cast then you can either go for (int *) or | |
2847 | * (void *). | |
2848 | */ | |
2849 | #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) | |
2850 | /* | |
2851 | * Under Windows/DOS we make the assumption that we can always | |
2852 | * write to the tty: therefore if we need to write to the tty we | |
2853 | * just fall through. Otherwise we timeout the select every | |
2854 | * second and see if there are any keypresses. Note: this is a | |
2855 | * hack, in a proper Windows application we wouldn't do this. | |
2856 | */ | |
2857 | i = 0; | |
2858 | if (!write_tty) { | |
2859 | if (read_tty) { | |
2860 | tv.tv_sec = 1; | |
2861 | tv.tv_usec = 0; | |
2862 | i = select(width, (void *)&readfds, (void *)&writefds, | |
2863 | NULL, &tv); | |
2864 | if (!i && (!has_stdin_waiting() || !read_tty)) | |
2865 | continue; | |
2866 | } else | |
2867 | i = select(width, (void *)&readfds, (void *)&writefds, | |
2868 | NULL, timeoutp); | |
2869 | } | |
2870 | #else | |
2871 | i = select(width, (void *)&readfds, (void *)&writefds, | |
2872 | NULL, timeoutp); | |
2873 | #endif | |
2874 | if (i < 0) { | |
2875 | BIO_printf(bio_err, "bad select %d\n", | |
2876 | get_last_socket_error()); | |
2877 | goto shut; | |
2878 | } | |
2879 | } | |
2880 | ||
2881 | if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0) | |
2882 | BIO_printf(bio_err, "TIMEOUT occurred\n"); | |
2883 | ||
2884 | if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) { | |
2885 | k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len); | |
2886 | switch (SSL_get_error(con, k)) { | |
2887 | case SSL_ERROR_NONE: | |
2888 | cbuf_off += k; | |
2889 | cbuf_len -= k; | |
2890 | if (k <= 0) | |
2891 | goto end; | |
2892 | /* we have done a write(con,NULL,0); */ | |
2893 | if (cbuf_len <= 0) { | |
2894 | read_tty = 1; | |
2895 | write_ssl = 0; | |
2896 | } else { /* if (cbuf_len > 0) */ | |
2897 | ||
2898 | read_tty = 0; | |
2899 | write_ssl = 1; | |
2900 | } | |
2901 | break; | |
2902 | case SSL_ERROR_WANT_WRITE: | |
2903 | BIO_printf(bio_c_out, "write W BLOCK\n"); | |
2904 | write_ssl = 1; | |
2905 | read_tty = 0; | |
2906 | break; | |
2907 | case SSL_ERROR_WANT_ASYNC: | |
2908 | BIO_printf(bio_c_out, "write A BLOCK\n"); | |
2909 | wait_for_async(con); | |
2910 | write_ssl = 1; | |
2911 | read_tty = 0; | |
2912 | break; | |
2913 | case SSL_ERROR_WANT_READ: | |
2914 | BIO_printf(bio_c_out, "write R BLOCK\n"); | |
2915 | write_tty = 0; | |
2916 | read_ssl = 1; | |
2917 | write_ssl = 0; | |
2918 | break; | |
2919 | case SSL_ERROR_WANT_X509_LOOKUP: | |
2920 | BIO_printf(bio_c_out, "write X BLOCK\n"); | |
2921 | break; | |
2922 | case SSL_ERROR_ZERO_RETURN: | |
2923 | if (cbuf_len != 0) { | |
2924 | BIO_printf(bio_c_out, "shutdown\n"); | |
2925 | ret = 0; | |
2926 | goto shut; | |
2927 | } else { | |
2928 | read_tty = 1; | |
2929 | write_ssl = 0; | |
2930 | break; | |
2931 | } | |
2932 | ||
2933 | case SSL_ERROR_SYSCALL: | |
2934 | if ((k != 0) || (cbuf_len != 0)) { | |
2935 | BIO_printf(bio_err, "write:errno=%d\n", | |
2936 | get_last_socket_error()); | |
2937 | goto shut; | |
2938 | } else { | |
2939 | read_tty = 1; | |
2940 | write_ssl = 0; | |
2941 | } | |
2942 | break; | |
2943 | case SSL_ERROR_WANT_ASYNC_JOB: | |
2944 | /* This shouldn't ever happen in s_client - treat as an error */ | |
2945 | case SSL_ERROR_SSL: | |
2946 | ERR_print_errors(bio_err); | |
2947 | goto shut; | |
2948 | } | |
2949 | } | |
2950 | #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS) | |
2951 | /* Assume Windows/DOS/BeOS can always write */ | |
2952 | else if (!ssl_pending && write_tty) | |
2953 | #else | |
2954 | else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds)) | |
2955 | #endif | |
2956 | { | |
2957 | #ifdef CHARSET_EBCDIC | |
2958 | ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len); | |
2959 | #endif | |
2960 | i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len); | |
2961 | ||
2962 | if (i <= 0) { | |
2963 | BIO_printf(bio_c_out, "DONE\n"); | |
2964 | ret = 0; | |
2965 | goto shut; | |
2966 | } | |
2967 | ||
2968 | sbuf_len -= i; | |
2969 | sbuf_off += i; | |
2970 | if (sbuf_len <= 0) { | |
2971 | read_ssl = 1; | |
2972 | write_tty = 0; | |
2973 | } | |
2974 | } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) { | |
2975 | #ifdef RENEG | |
2976 | { | |
2977 | static int iiii; | |
2978 | if (++iiii == 52) { | |
2979 | SSL_renegotiate(con); | |
2980 | iiii = 0; | |
2981 | } | |
2982 | } | |
2983 | #endif | |
2984 | k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ ); | |
2985 | ||
2986 | switch (SSL_get_error(con, k)) { | |
2987 | case SSL_ERROR_NONE: | |
2988 | if (k <= 0) | |
2989 | goto end; | |
2990 | sbuf_off = 0; | |
2991 | sbuf_len = k; | |
2992 | ||
2993 | read_ssl = 0; | |
2994 | write_tty = 1; | |
2995 | break; | |
2996 | case SSL_ERROR_WANT_ASYNC: | |
2997 | BIO_printf(bio_c_out, "read A BLOCK\n"); | |
2998 | wait_for_async(con); | |
2999 | write_tty = 0; | |
3000 | read_ssl = 1; | |
3001 | if ((read_tty == 0) && (write_ssl == 0)) | |
3002 | write_ssl = 1; | |
3003 | break; | |
3004 | case SSL_ERROR_WANT_WRITE: | |
3005 | BIO_printf(bio_c_out, "read W BLOCK\n"); | |
3006 | write_ssl = 1; | |
3007 | read_tty = 0; | |
3008 | break; | |
3009 | case SSL_ERROR_WANT_READ: | |
3010 | BIO_printf(bio_c_out, "read R BLOCK\n"); | |
3011 | write_tty = 0; | |
3012 | read_ssl = 1; | |
3013 | if ((read_tty == 0) && (write_ssl == 0)) | |
3014 | write_ssl = 1; | |
3015 | break; | |
3016 | case SSL_ERROR_WANT_X509_LOOKUP: | |
3017 | BIO_printf(bio_c_out, "read X BLOCK\n"); | |
3018 | break; | |
3019 | case SSL_ERROR_SYSCALL: | |
3020 | ret = get_last_socket_error(); | |
3021 | if (c_brief) | |
3022 | BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n"); | |
3023 | else | |
3024 | BIO_printf(bio_err, "read:errno=%d\n", ret); | |
3025 | goto shut; | |
3026 | case SSL_ERROR_ZERO_RETURN: | |
3027 | BIO_printf(bio_c_out, "closed\n"); | |
3028 | ret = 0; | |
3029 | goto shut; | |
3030 | case SSL_ERROR_WANT_ASYNC_JOB: | |
3031 | /* This shouldn't ever happen in s_client. Treat as an error */ | |
3032 | case SSL_ERROR_SSL: | |
3033 | ERR_print_errors(bio_err); | |
3034 | goto shut; | |
3035 | } | |
3036 | } | |
3037 | /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */ | |
3038 | #if defined(OPENSSL_SYS_MSDOS) | |
3039 | else if (has_stdin_waiting()) | |
3040 | #else | |
3041 | else if (FD_ISSET(fileno_stdin(), &readfds)) | |
3042 | #endif | |
3043 | { | |
3044 | if (crlf) { | |
3045 | int j, lf_num; | |
3046 | ||
3047 | i = raw_read_stdin(cbuf, BUFSIZZ / 2); | |
3048 | lf_num = 0; | |
3049 | /* both loops are skipped when i <= 0 */ | |
3050 | for (j = 0; j < i; j++) | |
3051 | if (cbuf[j] == '\n') | |
3052 | lf_num++; | |
3053 | for (j = i - 1; j >= 0; j--) { | |
3054 | cbuf[j + lf_num] = cbuf[j]; | |
3055 | if (cbuf[j] == '\n') { | |
3056 | lf_num--; | |
3057 | i++; | |
3058 | cbuf[j + lf_num] = '\r'; | |
3059 | } | |
3060 | } | |
3061 | assert(lf_num == 0); | |
3062 | } else | |
3063 | i = raw_read_stdin(cbuf, BUFSIZZ); | |
3064 | #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) | |
3065 | if (i == 0) | |
3066 | at_eof = 1; | |
3067 | #endif | |
3068 | ||
3069 | if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) { | |
3070 | BIO_printf(bio_err, "DONE\n"); | |
3071 | ret = 0; | |
3072 | goto shut; | |
3073 | } | |
3074 | ||
3075 | if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) { | |
3076 | BIO_printf(bio_err, "RENEGOTIATING\n"); | |
3077 | SSL_renegotiate(con); | |
3078 | cbuf_len = 0; | |
3079 | } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' ) | |
3080 | && cmdletters) { | |
3081 | BIO_printf(bio_err, "KEYUPDATE\n"); | |
3082 | SSL_key_update(con, | |
3083 | cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED | |
3084 | : SSL_KEY_UPDATE_NOT_REQUESTED); | |
3085 | cbuf_len = 0; | |
3086 | } else { | |
3087 | cbuf_len = i; | |
3088 | cbuf_off = 0; | |
3089 | #ifdef CHARSET_EBCDIC | |
3090 | ebcdic2ascii(cbuf, cbuf, i); | |
3091 | #endif | |
3092 | } | |
3093 | ||
3094 | write_ssl = 1; | |
3095 | read_tty = 0; | |
3096 | } | |
3097 | } | |
3098 | ||
3099 | ret = 0; | |
3100 | shut: | |
3101 | if (in_init) | |
3102 | print_stuff(bio_c_out, con, full_log); | |
3103 | do_ssl_shutdown(con); | |
3104 | ||
3105 | /* | |
3106 | * If we ended with an alert being sent, but still with data in the | |
3107 | * network buffer to be read, then calling BIO_closesocket() will | |
3108 | * result in a TCP-RST being sent. On some platforms (notably | |
3109 | * Windows) then this will result in the peer immediately abandoning | |
3110 | * the connection including any buffered alert data before it has | |
3111 | * had a chance to be read. Shutting down the sending side first, | |
3112 | * and then closing the socket sends TCP-FIN first followed by | |
3113 | * TCP-RST. This seems to allow the peer to read the alert data. | |
3114 | */ | |
3115 | shutdown(SSL_get_fd(con), 1); /* SHUT_WR */ | |
3116 | /* | |
3117 | * We just said we have nothing else to say, but it doesn't mean that | |
3118 | * the other side has nothing. It's even recommended to consume incoming | |
3119 | * data. [In testing context this ensures that alerts are passed on...] | |
3120 | */ | |
3121 | timeout.tv_sec = 0; | |
3122 | timeout.tv_usec = 500000; /* some extreme round-trip */ | |
3123 | do { | |
3124 | FD_ZERO(&readfds); | |
3125 | openssl_fdset(sock, &readfds); | |
3126 | } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0 | |
3127 | && BIO_read(sbio, sbuf, BUFSIZZ) > 0); | |
3128 | ||
3129 | BIO_closesocket(SSL_get_fd(con)); | |
3130 | end: | |
3131 | if (con != NULL) { | |
3132 | if (prexit != 0) | |
3133 | print_stuff(bio_c_out, con, 1); | |
3134 | SSL_free(con); | |
3135 | } | |
3136 | SSL_SESSION_free(psksess); | |
3137 | #if !defined(OPENSSL_NO_NEXTPROTONEG) | |
3138 | OPENSSL_free(next_proto.data); | |
3139 | #endif | |
3140 | SSL_CTX_free(ctx); | |
3141 | set_keylog_file(NULL, NULL); | |
3142 | X509_free(cert); | |
3143 | sk_X509_CRL_pop_free(crls, X509_CRL_free); | |
3144 | EVP_PKEY_free(key); | |
3145 | sk_X509_pop_free(chain, X509_free); | |
3146 | OPENSSL_free(pass); | |
3147 | #ifndef OPENSSL_NO_SRP | |
3148 | OPENSSL_free(srp_arg.srppassin); | |
3149 | #endif | |
3150 | OPENSSL_free(connectstr); | |
3151 | OPENSSL_free(bindstr); | |
3152 | OPENSSL_free(host); | |
3153 | OPENSSL_free(port); | |
3154 | X509_VERIFY_PARAM_free(vpm); | |
3155 | ssl_excert_free(exc); | |
3156 | sk_OPENSSL_STRING_free(ssl_args); | |
3157 | sk_OPENSSL_STRING_free(dane_tlsa_rrset); | |
3158 | SSL_CONF_CTX_free(cctx); | |
3159 | OPENSSL_clear_free(cbuf, BUFSIZZ); | |
3160 | OPENSSL_clear_free(sbuf, BUFSIZZ); | |
3161 | OPENSSL_clear_free(mbuf, BUFSIZZ); | |
3162 | if (proxypass != NULL) | |
3163 | OPENSSL_clear_free(proxypass, strlen(proxypass)); | |
3164 | release_engine(e); | |
3165 | BIO_free(bio_c_out); | |
3166 | bio_c_out = NULL; | |
3167 | BIO_free(bio_c_msg); | |
3168 | bio_c_msg = NULL; | |
3169 | return ret; | |
3170 | } | |
3171 | ||
3172 | static void print_stuff(BIO *bio, SSL *s, int full) | |
3173 | { | |
3174 | X509 *peer = NULL; | |
3175 | STACK_OF(X509) *sk; | |
3176 | const SSL_CIPHER *c; | |
3177 | int i, istls13 = (SSL_version(s) == TLS1_3_VERSION); | |
3178 | long verify_result; | |
3179 | #ifndef OPENSSL_NO_COMP | |
3180 | const COMP_METHOD *comp, *expansion; | |
3181 | #endif | |
3182 | unsigned char *exportedkeymat; | |
3183 | #ifndef OPENSSL_NO_CT | |
3184 | const SSL_CTX *ctx = SSL_get_SSL_CTX(s); | |
3185 | #endif | |
3186 | ||
3187 | if (full) { | |
3188 | int got_a_chain = 0; | |
3189 | ||
3190 | sk = SSL_get_peer_cert_chain(s); | |
3191 | if (sk != NULL) { | |
3192 | got_a_chain = 1; | |
3193 | ||
3194 | BIO_printf(bio, "---\nCertificate chain\n"); | |
3195 | for (i = 0; i < sk_X509_num(sk); i++) { | |
3196 | BIO_printf(bio, "%2d s:", i); | |
3197 | X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt()); | |
3198 | BIO_puts(bio, "\n"); | |
3199 | BIO_printf(bio, " i:"); | |
3200 | X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt()); | |
3201 | BIO_puts(bio, "\n"); | |
3202 | if (c_showcerts) | |
3203 | PEM_write_bio_X509(bio, sk_X509_value(sk, i)); | |
3204 | } | |
3205 | } | |
3206 | ||
3207 | BIO_printf(bio, "---\n"); | |
3208 | peer = SSL_get_peer_certificate(s); | |
3209 | if (peer != NULL) { | |
3210 | BIO_printf(bio, "Server certificate\n"); | |
3211 | ||
3212 | /* Redundant if we showed the whole chain */ | |
3213 | if (!(c_showcerts && got_a_chain)) | |
3214 | PEM_write_bio_X509(bio, peer); | |
3215 | dump_cert_text(bio, peer); | |
3216 | } else { | |
3217 | BIO_printf(bio, "no peer certificate available\n"); | |
3218 | } | |
3219 | print_ca_names(bio, s); | |
3220 | ||
3221 | ssl_print_sigalgs(bio, s); | |
3222 | ssl_print_tmp_key(bio, s); | |
3223 | ||
3224 | #ifndef OPENSSL_NO_CT | |
3225 | /* | |
3226 | * When the SSL session is anonymous, or resumed via an abbreviated | |
3227 | * handshake, no SCTs are provided as part of the handshake. While in | |
3228 | * a resumed session SCTs may be present in the session's certificate, | |
3229 | * no callbacks are invoked to revalidate these, and in any case that | |
3230 | * set of SCTs may be incomplete. Thus it makes little sense to | |
3231 | * attempt to display SCTs from a resumed session's certificate, and of | |
3232 | * course none are associated with an anonymous peer. | |
3233 | */ | |
3234 | if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) { | |
3235 | const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s); | |
3236 | int sct_count = scts != NULL ? sk_SCT_num(scts) : 0; | |
3237 | ||
3238 | BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count); | |
3239 | if (sct_count > 0) { | |
3240 | const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx); | |
3241 | ||
3242 | BIO_printf(bio, "---\n"); | |
3243 | for (i = 0; i < sct_count; ++i) { | |
3244 | SCT *sct = sk_SCT_value(scts, i); | |
3245 | ||
3246 | BIO_printf(bio, "SCT validation status: %s\n", | |
3247 | SCT_validation_status_string(sct)); | |
3248 | SCT_print(sct, bio, 0, log_store); | |
3249 | if (i < sct_count - 1) | |
3250 | BIO_printf(bio, "\n---\n"); | |
3251 | } | |
3252 | BIO_printf(bio, "\n"); | |
3253 | } | |
3254 | } | |
3255 | #endif | |
3256 | ||
3257 | BIO_printf(bio, | |
3258 | "---\nSSL handshake has read %ju bytes " | |
3259 | "and written %ju bytes\n", | |
3260 | BIO_number_read(SSL_get_rbio(s)), | |
3261 | BIO_number_written(SSL_get_wbio(s))); | |
3262 | } | |
3263 | print_verify_detail(s, bio); | |
3264 | BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, ")); | |
3265 | c = SSL_get_current_cipher(s); | |
3266 | BIO_printf(bio, "%s, Cipher is %s\n", | |
3267 | SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); | |
3268 | if (peer != NULL) { | |
3269 | EVP_PKEY *pktmp; | |
3270 | ||
3271 | pktmp = X509_get0_pubkey(peer); | |
3272 | BIO_printf(bio, "Server public key is %d bit\n", | |
3273 | EVP_PKEY_bits(pktmp)); | |
3274 | } | |
3275 | BIO_printf(bio, "Secure Renegotiation IS%s supported\n", | |
3276 | SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); | |
3277 | #ifndef OPENSSL_NO_COMP | |
3278 | comp = SSL_get_current_compression(s); | |
3279 | expansion = SSL_get_current_expansion(s); | |
3280 | BIO_printf(bio, "Compression: %s\n", | |
3281 | comp ? SSL_COMP_get_name(comp) : "NONE"); | |
3282 | BIO_printf(bio, "Expansion: %s\n", | |
3283 | expansion ? SSL_COMP_get_name(expansion) : "NONE"); | |
3284 | #endif | |
3285 | #ifndef OPENSSL_NO_KTLS | |
3286 | if (BIO_get_ktls_send(SSL_get_wbio(s))) | |
3287 | BIO_printf(bio_err, "Using Kernel TLS for sending\n"); | |
3288 | if (BIO_get_ktls_recv(SSL_get_rbio(s))) | |
3289 | BIO_printf(bio_err, "Using Kernel TLS for receiving\n"); | |
3290 | #endif | |
3291 | ||
3292 | if (OSSL_TRACE_ENABLED(TLS)) { | |
3293 | /* Print out local port of connection: useful for debugging */ | |
3294 | int sock; | |
3295 | union BIO_sock_info_u info; | |
3296 | ||
3297 | sock = SSL_get_fd(s); | |
3298 | if ((info.addr = BIO_ADDR_new()) != NULL | |
3299 | && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) { | |
3300 | BIO_printf(bio_c_out, "LOCAL PORT is %u\n", | |
3301 | ntohs(BIO_ADDR_rawport(info.addr))); | |
3302 | } | |
3303 | BIO_ADDR_free(info.addr); | |
3304 | } | |
3305 | ||
3306 | #if !defined(OPENSSL_NO_NEXTPROTONEG) | |
3307 | if (next_proto.status != -1) { | |
3308 | const unsigned char *proto; | |
3309 | unsigned int proto_len; | |
3310 | SSL_get0_next_proto_negotiated(s, &proto, &proto_len); | |
3311 | BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); | |
3312 | BIO_write(bio, proto, proto_len); | |
3313 | BIO_write(bio, "\n", 1); | |
3314 | } | |
3315 | #endif | |
3316 | { | |
3317 | const unsigned char *proto; | |
3318 | unsigned int proto_len; | |
3319 | SSL_get0_alpn_selected(s, &proto, &proto_len); | |
3320 | if (proto_len > 0) { | |
3321 | BIO_printf(bio, "ALPN protocol: "); | |
3322 | BIO_write(bio, proto, proto_len); | |
3323 | BIO_write(bio, "\n", 1); | |
3324 | } else | |
3325 | BIO_printf(bio, "No ALPN negotiated\n"); | |
3326 | } | |
3327 | ||
3328 | #ifndef OPENSSL_NO_SRTP | |
3329 | { | |
3330 | SRTP_PROTECTION_PROFILE *srtp_profile = | |
3331 | SSL_get_selected_srtp_profile(s); | |
3332 | ||
3333 | if (srtp_profile) | |
3334 | BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n", | |
3335 | srtp_profile->name); | |
3336 | } | |
3337 | #endif | |
3338 | ||
3339 | if (istls13) { | |
3340 | switch (SSL_get_early_data_status(s)) { | |
3341 | case SSL_EARLY_DATA_NOT_SENT: | |
3342 | BIO_printf(bio, "Early data was not sent\n"); | |
3343 | break; | |
3344 | ||
3345 | case SSL_EARLY_DATA_REJECTED: | |
3346 | BIO_printf(bio, "Early data was rejected\n"); | |
3347 | break; | |
3348 | ||
3349 | case SSL_EARLY_DATA_ACCEPTED: | |
3350 | BIO_printf(bio, "Early data was accepted\n"); | |
3351 | break; | |
3352 | ||
3353 | } | |
3354 | ||
3355 | /* | |
3356 | * We also print the verify results when we dump session information, | |
3357 | * but in TLSv1.3 we may not get that right away (or at all) depending | |
3358 | * on when we get a NewSessionTicket. Therefore we print it now as well. | |
3359 | */ | |
3360 | verify_result = SSL_get_verify_result(s); | |
3361 | BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result, | |
3362 | X509_verify_cert_error_string(verify_result)); | |
3363 | } else { | |
3364 | /* In TLSv1.3 we do this on arrival of a NewSessionTicket */ | |
3365 | SSL_SESSION_print(bio, SSL_get_session(s)); | |
3366 | } | |
3367 | ||
3368 | if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) { | |
3369 | BIO_printf(bio, "Keying material exporter:\n"); | |
3370 | BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); | |
3371 | BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); | |
3372 | exportedkeymat = app_malloc(keymatexportlen, "export key"); | |
3373 | if (!SSL_export_keying_material(s, exportedkeymat, | |
3374 | keymatexportlen, | |
3375 | keymatexportlabel, | |
3376 | strlen(keymatexportlabel), | |
3377 | NULL, 0, 0)) { | |
3378 | BIO_printf(bio, " Error\n"); | |
3379 | } else { | |
3380 | BIO_printf(bio, " Keying material: "); | |
3381 | for (i = 0; i < keymatexportlen; i++) | |
3382 | BIO_printf(bio, "%02X", exportedkeymat[i]); | |
3383 | BIO_printf(bio, "\n"); | |
3384 | } | |
3385 | OPENSSL_free(exportedkeymat); | |
3386 | } | |
3387 | BIO_printf(bio, "---\n"); | |
3388 | X509_free(peer); | |
3389 | /* flush, or debugging output gets mixed with http response */ | |
3390 | (void)BIO_flush(bio); | |
3391 | } | |
3392 | ||
3393 | # ifndef OPENSSL_NO_OCSP | |
3394 | static int ocsp_resp_cb(SSL *s, void *arg) | |
3395 | { | |
3396 | const unsigned char *p; | |
3397 | int len; | |
3398 | OCSP_RESPONSE *rsp; | |
3399 | len = SSL_get_tlsext_status_ocsp_resp(s, &p); | |
3400 | BIO_puts(arg, "OCSP response: "); | |
3401 | if (p == NULL) { | |
3402 | BIO_puts(arg, "no response sent\n"); | |
3403 | return 1; | |
3404 | } | |
3405 | rsp = d2i_OCSP_RESPONSE(NULL, &p, len); | |
3406 | if (rsp == NULL) { | |
3407 | BIO_puts(arg, "response parse error\n"); | |
3408 | BIO_dump_indent(arg, (char *)p, len, 4); | |
3409 | return 0; | |
3410 | } | |
3411 | BIO_puts(arg, "\n======================================\n"); | |
3412 | OCSP_RESPONSE_print(arg, rsp, 0); | |
3413 | BIO_puts(arg, "======================================\n"); | |
3414 | OCSP_RESPONSE_free(rsp); | |
3415 | return 1; | |
3416 | } | |
3417 | # endif | |
3418 | ||
3419 | static int ldap_ExtendedResponse_parse(const char *buf, long rem) | |
3420 | { | |
3421 | const unsigned char *cur, *end; | |
3422 | long len; | |
3423 | int tag, xclass, inf, ret = -1; | |
3424 | ||
3425 | cur = (const unsigned char *)buf; | |
3426 | end = cur + rem; | |
3427 | ||
3428 | /* | |
3429 | * From RFC 4511: | |
3430 | * | |
3431 | * LDAPMessage ::= SEQUENCE { | |
3432 | * messageID MessageID, | |
3433 | * protocolOp CHOICE { | |
3434 | * ... | |
3435 | * extendedResp ExtendedResponse, | |
3436 | * ... }, | |
3437 | * controls [0] Controls OPTIONAL } | |
3438 | * | |
3439 | * ExtendedResponse ::= [APPLICATION 24] SEQUENCE { | |
3440 | * COMPONENTS OF LDAPResult, | |
3441 | * responseName [10] LDAPOID OPTIONAL, | |
3442 | * responseValue [11] OCTET STRING OPTIONAL } | |
3443 | * | |
3444 | * LDAPResult ::= SEQUENCE { | |
3445 | * resultCode ENUMERATED { | |
3446 | * success (0), | |
3447 | * ... | |
3448 | * other (80), | |
3449 | * ... }, | |
3450 | * matchedDN LDAPDN, | |
3451 | * diagnosticMessage LDAPString, | |
3452 | * referral [3] Referral OPTIONAL } | |
3453 | */ | |
3454 | ||
3455 | /* pull SEQUENCE */ | |
3456 | inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); | |
3457 | if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE || | |
3458 | (rem = end - cur, len > rem)) { | |
3459 | BIO_printf(bio_err, "Unexpected LDAP response\n"); | |
3460 | goto end; | |
3461 | } | |
3462 | ||
3463 | rem = len; /* ensure that we don't overstep the SEQUENCE */ | |
3464 | ||
3465 | /* pull MessageID */ | |
3466 | inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); | |
3467 | if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER || | |
3468 | (rem = end - cur, len > rem)) { | |
3469 | BIO_printf(bio_err, "No MessageID\n"); | |
3470 | goto end; | |
3471 | } | |
3472 | ||
3473 | cur += len; /* shall we check for MessageId match or just skip? */ | |
3474 | ||
3475 | /* pull [APPLICATION 24] */ | |
3476 | rem = end - cur; | |
3477 | inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); | |
3478 | if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION || | |
3479 | tag != 24) { | |
3480 | BIO_printf(bio_err, "Not ExtendedResponse\n"); | |
3481 | goto end; | |
3482 | } | |
3483 | ||
3484 | /* pull resultCode */ | |
3485 | rem = end - cur; | |
3486 | inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); | |
3487 | if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 || | |
3488 | (rem = end - cur, len > rem)) { | |
3489 | BIO_printf(bio_err, "Not LDAPResult\n"); | |
3490 | goto end; | |
3491 | } | |
3492 | ||
3493 | /* len should always be one, but just in case... */ | |
3494 | for (ret = 0, inf = 0; inf < len; inf++) { | |
3495 | ret <<= 8; | |
3496 | ret |= cur[inf]; | |
3497 | } | |
3498 | /* There is more data, but we don't care... */ | |
3499 | end: | |
3500 | return ret; | |
3501 | } | |
3502 | ||
3503 | /* | |
3504 | * Host dNS Name verifier: used for checking that the hostname is in dNS format | |
3505 | * before setting it as SNI | |
3506 | */ | |
3507 | static int is_dNS_name(const char *host) | |
3508 | { | |
3509 | const size_t MAX_LABEL_LENGTH = 63; | |
3510 | size_t i; | |
3511 | int isdnsname = 0; | |
3512 | size_t length = strlen(host); | |
3513 | size_t label_length = 0; | |
3514 | int all_numeric = 1; | |
3515 | ||
3516 | /* | |
3517 | * Deviation from strict DNS name syntax, also check names with '_' | |
3518 | * Check DNS name syntax, any '-' or '.' must be internal, | |
3519 | * and on either side of each '.' we can't have a '-' or '.'. | |
3520 | * | |
3521 | * If the name has just one label, we don't consider it a DNS name. | |
3522 | */ | |
3523 | for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) { | |
3524 | char c = host[i]; | |
3525 | ||
3526 | if ((c >= 'a' && c <= 'z') | |
3527 | || (c >= 'A' && c <= 'Z') | |
3528 | || c == '_') { | |
3529 | label_length += 1; | |
3530 | all_numeric = 0; | |
3531 | continue; | |
3532 | } | |
3533 | ||
3534 | if (c >= '0' && c <= '9') { | |
3535 | label_length += 1; | |
3536 | continue; | |
3537 | } | |
3538 | ||
3539 | /* Dot and hyphen cannot be first or last. */ | |
3540 | if (i > 0 && i < length - 1) { | |
3541 | if (c == '-') { | |
3542 | label_length += 1; | |
3543 | continue; | |
3544 | } | |
3545 | /* | |
3546 | * Next to a dot the preceding and following characters must not be | |
3547 | * another dot or a hyphen. Otherwise, record that the name is | |
3548 | * plausible, since it has two or more labels. | |
3549 | */ | |
3550 | if (c == '.' | |
3551 | && host[i + 1] != '.' | |
3552 | && host[i - 1] != '-' | |
3553 | && host[i + 1] != '-') { | |
3554 | label_length = 0; | |
3555 | isdnsname = 1; | |
3556 | continue; | |
3557 | } | |
3558 | } | |
3559 | isdnsname = 0; | |
3560 | break; | |
3561 | } | |
3562 | ||
3563 | /* dNS name must not be all numeric and labels must be shorter than 64 characters. */ | |
3564 | isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH); | |
3565 | ||
3566 | return isdnsname; | |
3567 | } | |
3568 | #endif /* OPENSSL_NO_SOCK */ |