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[thirdparty/openssl.git] / apps / lib / apps.c
1 /*
2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
11 /*
12 * On VMS, you need to define this to get the declaration of fileno(). The
13 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
14 */
15 # define _POSIX_C_SOURCE 2
16 #endif
17
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #include <sys/types.h>
22 #ifndef OPENSSL_NO_POSIX_IO
23 # include <sys/stat.h>
24 # include <fcntl.h>
25 #endif
26 #include <ctype.h>
27 #include <errno.h>
28 #include <openssl/err.h>
29 #include <openssl/x509.h>
30 #include <openssl/x509v3.h>
31 #include <openssl/http.h>
32 #include <openssl/pem.h>
33 #include <openssl/store.h>
34 #include <openssl/pkcs12.h>
35 #include <openssl/ui.h>
36 #include <openssl/safestack.h>
37 #include <openssl/rsa.h>
38 #include <openssl/bn.h>
39 #include <openssl/ssl.h>
40 #include <openssl/store.h>
41 #include "s_apps.h"
42 #include "apps.h"
43
44 #ifdef _WIN32
45 static int WIN32_rename(const char *from, const char *to);
46 # define rename(from,to) WIN32_rename((from),(to))
47 #endif
48
49 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
50 # include <conio.h>
51 #endif
52
53 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32)
54 # define _kbhit kbhit
55 #endif
56
57 static BIO *bio_open_default_(const char *filename, char mode, int format,
58 int quiet);
59
60 #define PASS_SOURCE_SIZE_MAX 4
61
62 DEFINE_STACK_OF(CONF)
63
64 typedef struct {
65 const char *name;
66 unsigned long flag;
67 unsigned long mask;
68 } NAME_EX_TBL;
69
70 static OSSL_LIB_CTX *app_libctx = NULL;
71
72 static int set_table_opts(unsigned long *flags, const char *arg,
73 const NAME_EX_TBL * in_tbl);
74 static int set_multi_opts(unsigned long *flags, const char *arg,
75 const NAME_EX_TBL * in_tbl);
76
77 int app_init(long mesgwin);
78
79 int chopup_args(ARGS *arg, char *buf)
80 {
81 int quoted;
82 char c = '\0', *p = NULL;
83
84 arg->argc = 0;
85 if (arg->size == 0) {
86 arg->size = 20;
87 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
88 }
89
90 for (p = buf;;) {
91 /* Skip whitespace. */
92 while (*p && isspace(_UC(*p)))
93 p++;
94 if (*p == '\0')
95 break;
96
97 /* The start of something good :-) */
98 if (arg->argc >= arg->size) {
99 char **tmp;
100 arg->size += 20;
101 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
102 if (tmp == NULL)
103 return 0;
104 arg->argv = tmp;
105 }
106 quoted = *p == '\'' || *p == '"';
107 if (quoted)
108 c = *p++;
109 arg->argv[arg->argc++] = p;
110
111 /* now look for the end of this */
112 if (quoted) {
113 while (*p && *p != c)
114 p++;
115 *p++ = '\0';
116 } else {
117 while (*p && !isspace(_UC(*p)))
118 p++;
119 if (*p)
120 *p++ = '\0';
121 }
122 }
123 arg->argv[arg->argc] = NULL;
124 return 1;
125 }
126
127 #ifndef APP_INIT
128 int app_init(long mesgwin)
129 {
130 return 1;
131 }
132 #endif
133
134 int ctx_set_verify_locations(SSL_CTX *ctx,
135 const char *CAfile, int noCAfile,
136 const char *CApath, int noCApath,
137 const char *CAstore, int noCAstore)
138 {
139 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
140 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
141 return 0;
142 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
143 return 0;
144 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
145 return 0;
146
147 return 1;
148 }
149
150 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
151 return 0;
152 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
153 return 0;
154 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
155 return 0;
156 return 1;
157 }
158
159 #ifndef OPENSSL_NO_CT
160
161 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
162 {
163 if (path == NULL)
164 return SSL_CTX_set_default_ctlog_list_file(ctx);
165
166 return SSL_CTX_set_ctlog_list_file(ctx, path);
167 }
168
169 #endif
170
171 static unsigned long nmflag = 0;
172 static char nmflag_set = 0;
173
174 int set_nameopt(const char *arg)
175 {
176 int ret = set_name_ex(&nmflag, arg);
177
178 if (ret)
179 nmflag_set = 1;
180
181 return ret;
182 }
183
184 unsigned long get_nameopt(void)
185 {
186 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
187 }
188
189 int dump_cert_text(BIO *out, X509 *x)
190 {
191 print_name(out, "subject=", X509_get_subject_name(x));
192 BIO_puts(out, "\n");
193 print_name(out, "issuer=", X509_get_issuer_name(x));
194 BIO_puts(out, "\n");
195
196 return 0;
197 }
198
199 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
200 {
201 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
202 }
203
204
205 static char *app_get_pass(const char *arg, int keepbio);
206
207 char *get_passwd(const char *pass, const char *desc)
208 {
209 char *result = NULL;
210
211 if (desc == NULL)
212 desc = "<unknown>";
213 if (!app_passwd(pass, NULL, &result, NULL))
214 BIO_printf(bio_err, "Error getting password for %s\n", desc);
215 if (pass != NULL && result == NULL) {
216 BIO_printf(bio_err,
217 "Trying plain input string (better precede with 'pass:')\n");
218 result = OPENSSL_strdup(pass);
219 if (result == NULL)
220 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
221 }
222 return result;
223 }
224
225 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
226 {
227 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
228
229 if (arg1 != NULL) {
230 *pass1 = app_get_pass(arg1, same);
231 if (*pass1 == NULL)
232 return 0;
233 } else if (pass1 != NULL) {
234 *pass1 = NULL;
235 }
236 if (arg2 != NULL) {
237 *pass2 = app_get_pass(arg2, same ? 2 : 0);
238 if (*pass2 == NULL)
239 return 0;
240 } else if (pass2 != NULL) {
241 *pass2 = NULL;
242 }
243 return 1;
244 }
245
246 static char *app_get_pass(const char *arg, int keepbio)
247 {
248 static BIO *pwdbio = NULL;
249 char *tmp, tpass[APP_PASS_LEN];
250 int i;
251
252 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
253 if (strncmp(arg, "pass:", 5) == 0)
254 return OPENSSL_strdup(arg + 5);
255 if (strncmp(arg, "env:", 4) == 0) {
256 tmp = getenv(arg + 4);
257 if (tmp == NULL) {
258 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
259 return NULL;
260 }
261 return OPENSSL_strdup(tmp);
262 }
263 if (!keepbio || pwdbio == NULL) {
264 if (strncmp(arg, "file:", 5) == 0) {
265 pwdbio = BIO_new_file(arg + 5, "r");
266 if (pwdbio == NULL) {
267 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
268 return NULL;
269 }
270 #if !defined(_WIN32)
271 /*
272 * Under _WIN32, which covers even Win64 and CE, file
273 * descriptors referenced by BIO_s_fd are not inherited
274 * by child process and therefore below is not an option.
275 * It could have been an option if bss_fd.c was operating
276 * on real Windows descriptors, such as those obtained
277 * with CreateFile.
278 */
279 } else if (strncmp(arg, "fd:", 3) == 0) {
280 BIO *btmp;
281 i = atoi(arg + 3);
282 if (i >= 0)
283 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
284 if ((i < 0) || !pwdbio) {
285 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
286 return NULL;
287 }
288 /*
289 * Can't do BIO_gets on an fd BIO so add a buffering BIO
290 */
291 btmp = BIO_new(BIO_f_buffer());
292 pwdbio = BIO_push(btmp, pwdbio);
293 #endif
294 } else if (strcmp(arg, "stdin") == 0) {
295 pwdbio = dup_bio_in(FORMAT_TEXT);
296 if (pwdbio == NULL) {
297 BIO_printf(bio_err, "Can't open BIO for stdin\n");
298 return NULL;
299 }
300 } else {
301 /* argument syntax error; do not reveal too much about arg */
302 tmp = strchr(arg, ':');
303 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
304 BIO_printf(bio_err,
305 "Invalid password argument, missing ':' within the first %d chars\n",
306 PASS_SOURCE_SIZE_MAX + 1);
307 else
308 BIO_printf(bio_err,
309 "Invalid password argument, starting with \"%.*s\"\n",
310 (int)(tmp - arg + 1), arg);
311 return NULL;
312 }
313 }
314 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
315 if (keepbio != 1) {
316 BIO_free_all(pwdbio);
317 pwdbio = NULL;
318 }
319 if (i <= 0) {
320 BIO_printf(bio_err, "Error reading password from BIO\n");
321 return NULL;
322 }
323 tmp = strchr(tpass, '\n');
324 if (tmp != NULL)
325 *tmp = 0;
326 return OPENSSL_strdup(tpass);
327 }
328
329 OSSL_LIB_CTX *app_get0_libctx(void)
330 {
331 return app_libctx;
332 }
333
334 static const char *app_propq = NULL;
335
336 int app_set_propq(const char *arg)
337 {
338 app_propq = arg;
339 return 1;
340 }
341
342 const char *app_get0_propq(void)
343 {
344 return app_propq;
345 }
346
347 OSSL_LIB_CTX *app_create_libctx(void)
348 {
349 /*
350 * Load the NULL provider into the default library context and create a
351 * library context which will then be used for any OPT_PROV options.
352 */
353 if (app_libctx == NULL) {
354
355 if (!app_provider_load(NULL, "null")) {
356 BIO_puts(bio_err, "Failed to create null provider\n");
357 return NULL;
358 }
359 app_libctx = OSSL_LIB_CTX_new();
360 }
361 if (app_libctx == NULL)
362 BIO_puts(bio_err, "Failed to create library context\n");
363 return app_libctx;
364 }
365
366 CONF *app_load_config_bio(BIO *in, const char *filename)
367 {
368 long errorline = -1;
369 CONF *conf;
370 int i;
371
372 conf = NCONF_new_ex(app_libctx, NULL);
373 i = NCONF_load_bio(conf, in, &errorline);
374 if (i > 0)
375 return conf;
376
377 if (errorline <= 0) {
378 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
379 } else {
380 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
381 errorline);
382 }
383 if (filename != NULL)
384 BIO_printf(bio_err, "config file \"%s\"\n", filename);
385 else
386 BIO_printf(bio_err, "config input");
387
388 NCONF_free(conf);
389 return NULL;
390 }
391
392 CONF *app_load_config_verbose(const char *filename, int verbose)
393 {
394 if (verbose) {
395 if (*filename == '\0')
396 BIO_printf(bio_err, "No configuration used\n");
397 else
398 BIO_printf(bio_err, "Using configuration from %s\n", filename);
399 }
400 return app_load_config_internal(filename, 0);
401 }
402
403 CONF *app_load_config_internal(const char *filename, int quiet)
404 {
405 BIO *in = NULL; /* leads to empty config in case filename == "" */
406 CONF *conf;
407
408 if (*filename != '\0'
409 && (in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
410 return NULL;
411 conf = app_load_config_bio(in, filename);
412 BIO_free(in);
413 return conf;
414 }
415
416 int app_load_modules(const CONF *config)
417 {
418 CONF *to_free = NULL;
419
420 if (config == NULL)
421 config = to_free = app_load_config_quiet(default_config_file);
422 if (config == NULL)
423 return 1;
424
425 if (CONF_modules_load(config, NULL, 0) <= 0) {
426 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
427 ERR_print_errors(bio_err);
428 NCONF_free(to_free);
429 return 0;
430 }
431 NCONF_free(to_free);
432 return 1;
433 }
434
435 int add_oid_section(CONF *conf)
436 {
437 char *p;
438 STACK_OF(CONF_VALUE) *sktmp;
439 CONF_VALUE *cnf;
440 int i;
441
442 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
443 ERR_clear_error();
444 return 1;
445 }
446 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
447 BIO_printf(bio_err, "problem loading oid section %s\n", p);
448 return 0;
449 }
450 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
451 cnf = sk_CONF_VALUE_value(sktmp, i);
452 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
453 BIO_printf(bio_err, "problem creating object %s=%s\n",
454 cnf->name, cnf->value);
455 return 0;
456 }
457 }
458 return 1;
459 }
460
461 CONF *app_load_config_modules(const char *configfile)
462 {
463 CONF *conf = NULL;
464
465 if (configfile != NULL) {
466 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
467 return NULL;
468 if (configfile != default_config_file && !app_load_modules(conf)) {
469 NCONF_free(conf);
470 conf = NULL;
471 }
472 }
473 return conf;
474 }
475
476 #define IS_HTTP(uri) ((uri) != NULL \
477 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0)
478 #define IS_HTTPS(uri) ((uri) != NULL \
479 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0)
480
481 X509 *load_cert_pass(const char *uri, int maybe_stdin,
482 const char *pass, const char *desc)
483 {
484 X509 *cert = NULL;
485
486 if (desc == NULL)
487 desc = "certificate";
488 if (IS_HTTPS(uri))
489 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
490 else if (IS_HTTP(uri))
491 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
492 else
493 (void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
494 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
495 if (cert == NULL) {
496 BIO_printf(bio_err, "Unable to load %s\n", desc);
497 ERR_print_errors(bio_err);
498 }
499 return cert;
500 }
501
502 X509_CRL *load_crl(const char *uri, const char *desc)
503 {
504 X509_CRL *crl = NULL;
505
506 if (desc == NULL)
507 desc = "CRL";
508 if (IS_HTTPS(uri))
509 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
510 else if (IS_HTTP(uri))
511 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
512 else
513 (void)load_key_certs_crls(uri, 0, NULL, desc,
514 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
515 if (crl == NULL) {
516 BIO_printf(bio_err, "Unable to load %s\n", desc);
517 ERR_print_errors(bio_err);
518 }
519 return crl;
520 }
521
522 X509_REQ *load_csr(const char *file, int format, const char *desc)
523 {
524 X509_REQ *req = NULL;
525 BIO *in;
526
527 if (desc == NULL)
528 desc = "CSR";
529 in = bio_open_default(file, 'r', format);
530 if (in == NULL)
531 goto end;
532
533 if (format == FORMAT_ASN1)
534 req = d2i_X509_REQ_bio(in, NULL);
535 else if (format == FORMAT_PEM)
536 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
537 else
538 print_format_error(format, OPT_FMT_PEMDER);
539
540 end:
541 if (req == NULL) {
542 BIO_printf(bio_err, "Unable to load %s\n", desc);
543 ERR_print_errors(bio_err);
544 }
545 BIO_free(in);
546 return req;
547 }
548
549 void cleanse(char *str)
550 {
551 if (str != NULL)
552 OPENSSL_cleanse(str, strlen(str));
553 }
554
555 void clear_free(char *str)
556 {
557 if (str != NULL)
558 OPENSSL_clear_free(str, strlen(str));
559 }
560
561 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
562 const char *pass, ENGINE *e, const char *desc)
563 {
564 EVP_PKEY *pkey = NULL;
565 char *allocated_uri = NULL;
566
567 if (desc == NULL)
568 desc = "private key";
569
570 if (format == FORMAT_ENGINE) {
571 uri = allocated_uri = make_engine_uri(e, uri, desc);
572 }
573 (void)load_key_certs_crls(uri, may_stdin, pass, desc,
574 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
575
576 OPENSSL_free(allocated_uri);
577 return pkey;
578 }
579
580 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
581 const char *pass, ENGINE *e, const char *desc)
582 {
583 EVP_PKEY *pkey = NULL;
584 char *allocated_uri = NULL;
585
586 if (desc == NULL)
587 desc = "public key";
588
589 if (format == FORMAT_ENGINE) {
590 uri = allocated_uri = make_engine_uri(e, uri, desc);
591 }
592 (void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
593 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
594
595 OPENSSL_free(allocated_uri);
596 return pkey;
597 }
598
599 EVP_PKEY *load_keyparams(const char *uri, int maybe_stdin, const char *keytype,
600 const char *desc)
601 {
602 EVP_PKEY *params = NULL;
603
604 if (desc == NULL)
605 desc = "key parameters";
606
607 (void)load_key_certs_crls(uri, maybe_stdin, NULL, desc,
608 NULL, NULL, &params, NULL, NULL, NULL, NULL);
609 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
610 BIO_printf(bio_err,
611 "Unable to load %s from %s (unexpected parameters type)\n",
612 desc, uri);
613 ERR_print_errors(bio_err);
614 EVP_PKEY_free(params);
615 params = NULL;
616 }
617 return params;
618 }
619
620 void app_bail_out(char *fmt, ...)
621 {
622 va_list args;
623
624 va_start(args, fmt);
625 BIO_vprintf(bio_err, fmt, args);
626 va_end(args);
627 ERR_print_errors(bio_err);
628 exit(1);
629 }
630
631 void* app_malloc(int sz, const char *what)
632 {
633 void *vp = OPENSSL_malloc(sz);
634
635 if (vp == NULL)
636 app_bail_out("%s: Could not allocate %d bytes for %s\n",
637 opt_getprog(), sz, what);
638 return vp;
639 }
640
641 /*
642 * Initialize or extend, if *certs != NULL, a certificate stack.
643 * The caller is responsible for freeing *certs if its value is left not NULL.
644 */
645 int load_certs(const char *uri, STACK_OF(X509) **certs,
646 const char *pass, const char *desc)
647 {
648 int was_NULL = *certs == NULL;
649 int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL, NULL,
650 NULL, certs, NULL, NULL);
651
652 if (!ret && was_NULL) {
653 sk_X509_pop_free(*certs, X509_free);
654 *certs = NULL;
655 }
656 return ret;
657 }
658
659 /*
660 * Initialize or extend, if *crls != NULL, a certificate stack.
661 * The caller is responsible for freeing *crls if its value is left not NULL.
662 */
663 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
664 const char *pass, const char *desc)
665 {
666 int was_NULL = *crls == NULL;
667 int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL, NULL,
668 NULL, NULL, NULL, crls);
669
670 if (!ret && was_NULL) {
671 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
672 *crls = NULL;
673 }
674 return ret;
675 }
676
677 /*
678 * Load those types of credentials for which the result pointer is not NULL.
679 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
680 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
681 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
682 * If pcerts is non-NULL then all available certificates are appended to *pcerts
683 * except any certificate assigned to *pcert.
684 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
685 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
686 * except any CRL assigned to *pcrl.
687 * In any case (also on error) the caller is responsible for freeing all members
688 * of *pcerts and *pcrls (as far as they are not NULL).
689 */
690 int load_key_certs_crls(const char *uri, int maybe_stdin,
691 const char *pass, const char *desc,
692 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
693 EVP_PKEY **pparams,
694 X509 **pcert, STACK_OF(X509) **pcerts,
695 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
696 {
697 PW_CB_DATA uidata;
698 OSSL_STORE_CTX *ctx = NULL;
699 OSSL_LIB_CTX *libctx = app_get0_libctx();
700 const char *propq = app_get0_propq();
701 int ncerts = 0;
702 int ncrls = 0;
703 const char *failed =
704 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
705 pparams != NULL ? "params" : pcert != NULL ? "cert" :
706 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
707 pcrls != NULL ? "CRLs" : NULL;
708 int cnt_expectations = 0;
709 int expect = 0;
710 /* TODO make use of the engine reference 'eng' when loading pkeys */
711
712 if (ppkey != NULL) {
713 *ppkey = NULL;
714 cnt_expectations++;
715 expect = OSSL_STORE_INFO_PKEY;
716 }
717 if (ppubkey != NULL) {
718 *ppubkey = NULL;
719 cnt_expectations++;
720 expect = OSSL_STORE_INFO_PUBKEY;
721 }
722 if (pcert != NULL) {
723 *pcert = NULL;
724 cnt_expectations++;
725 expect = OSSL_STORE_INFO_CERT;
726 }
727 if (failed == NULL) {
728 BIO_printf(bio_err, "Internal error: nothing to load into from %s\n",
729 uri != NULL ? uri : "<stdin>");
730 return 0;
731 }
732
733 if (pcerts != NULL) {
734 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
735 BIO_printf(bio_err, "Out of memory loading");
736 goto end;
737 }
738 cnt_expectations++;
739 expect = OSSL_STORE_INFO_CERT;
740 }
741 if (pcrl != NULL) {
742 *pcrl = NULL;
743 cnt_expectations++;
744 expect = OSSL_STORE_INFO_CRL;
745 }
746 if (pcrls != NULL) {
747 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
748 BIO_printf(bio_err, "Out of memory loading");
749 goto end;
750 }
751 cnt_expectations++;
752 expect = OSSL_STORE_INFO_CRL;
753 }
754
755 uidata.password = pass;
756 uidata.prompt_info = uri;
757
758 if (uri == NULL) {
759 BIO *bio;
760
761 if (!maybe_stdin) {
762 BIO_printf(bio_err, "No filename or uri specified for loading");
763 goto end;
764 }
765 uri = "<stdin>";
766 unbuffer(stdin);
767 bio = BIO_new_fp(stdin, 0);
768 if (bio != NULL)
769 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
770 get_ui_method(), &uidata, NULL, NULL);
771 } else {
772 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
773 NULL, NULL);
774 }
775 if (ctx == NULL) {
776 BIO_printf(bio_err, "Could not open file or uri for loading");
777 goto end;
778 }
779
780 if (cnt_expectations != 1)
781 expect = 0;
782 if (!OSSL_STORE_expect(ctx, expect))
783 goto end;
784
785 failed = NULL;
786 while (!OSSL_STORE_eof(ctx)) {
787 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
788 int type, ok = 1;
789
790 /*
791 * This can happen (for example) if we attempt to load a file with
792 * multiple different types of things in it - but the thing we just
793 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
794 * to load a certificate but the file has both the private key and the
795 * certificate in it. We just retry until eof.
796 */
797 if (info == NULL) {
798 if (OSSL_STORE_error(ctx)) {
799 ERR_print_errors(bio_err);
800 ERR_clear_error();
801 }
802 continue;
803 }
804
805 type = OSSL_STORE_INFO_get_type(info);
806 switch (type) {
807 case OSSL_STORE_INFO_PKEY:
808 if (ppkey != NULL && *ppkey == NULL)
809 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
810
811 /*
812 * An EVP_PKEY with private parts also holds the public parts,
813 * so if the caller asked for a public key, and we got a private
814 * key, we can still pass it back.
815 */
816 if (ok && ppubkey != NULL && *ppubkey == NULL)
817 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
818 break;
819 case OSSL_STORE_INFO_PUBKEY:
820 if (ppubkey != NULL && *ppubkey == NULL)
821 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
822 break;
823 case OSSL_STORE_INFO_PARAMS:
824 if (pparams != NULL && *pparams == NULL)
825 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
826 break;
827 case OSSL_STORE_INFO_CERT:
828 if (pcert != NULL && *pcert == NULL)
829 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
830 else if (pcerts != NULL)
831 ok = X509_add_cert(*pcerts,
832 OSSL_STORE_INFO_get1_CERT(info),
833 X509_ADD_FLAG_DEFAULT);
834 ncerts += ok;
835 break;
836 case OSSL_STORE_INFO_CRL:
837 if (pcrl != NULL && *pcrl == NULL)
838 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
839 else if (pcrls != NULL)
840 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
841 ncrls += ok;
842 break;
843 default:
844 /* skip any other type */
845 break;
846 }
847 OSSL_STORE_INFO_free(info);
848 if (!ok) {
849 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
850 BIO_printf(bio_err, "Error reading");
851 break;
852 }
853 }
854
855 end:
856 OSSL_STORE_close(ctx);
857 if (failed == NULL) {
858 int any = 0;
859
860 if ((ppkey != NULL && *ppkey == NULL)
861 || (ppubkey != NULL && *ppubkey == NULL)) {
862 failed = "key";
863 } else if (pparams != NULL && *pparams == NULL) {
864 failed = "params";
865 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
866 if (pcert == NULL)
867 any = 1;
868 failed = "cert";
869 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
870 if (pcrl == NULL)
871 any = 1;
872 failed = "CRL";
873 }
874 if (failed != NULL)
875 BIO_printf(bio_err, "Could not read");
876 if (any)
877 BIO_printf(bio_err, " any");
878 }
879 if (failed != NULL) {
880 if (desc != NULL && strstr(desc, failed) != NULL) {
881 BIO_printf(bio_err, " %s", desc);
882 } else {
883 BIO_printf(bio_err, " %s", failed);
884 if (desc != NULL)
885 BIO_printf(bio_err, " of %s", desc);
886 }
887 if (uri != NULL)
888 BIO_printf(bio_err, " from %s", uri);
889 BIO_printf(bio_err, "\n");
890 ERR_print_errors(bio_err);
891 }
892 return failed == NULL;
893 }
894
895
896 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
897 /* Return error for unknown extensions */
898 #define X509V3_EXT_DEFAULT 0
899 /* Print error for unknown extensions */
900 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
901 /* ASN1 parse unknown extensions */
902 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
903 /* BIO_dump unknown extensions */
904 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
905
906 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
907 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
908
909 int set_cert_ex(unsigned long *flags, const char *arg)
910 {
911 static const NAME_EX_TBL cert_tbl[] = {
912 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
913 {"ca_default", X509_FLAG_CA, 0xffffffffl},
914 {"no_header", X509_FLAG_NO_HEADER, 0},
915 {"no_version", X509_FLAG_NO_VERSION, 0},
916 {"no_serial", X509_FLAG_NO_SERIAL, 0},
917 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
918 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
919 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
920 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
921 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
922 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
923 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
924 {"no_aux", X509_FLAG_NO_AUX, 0},
925 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
926 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
927 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
928 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
929 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
930 {NULL, 0, 0}
931 };
932 return set_multi_opts(flags, arg, cert_tbl);
933 }
934
935 int set_name_ex(unsigned long *flags, const char *arg)
936 {
937 static const NAME_EX_TBL ex_tbl[] = {
938 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
939 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
940 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
941 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
942 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
943 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
944 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
945 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
946 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
947 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
948 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
949 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
950 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
951 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
952 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
953 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
954 {"dn_rev", XN_FLAG_DN_REV, 0},
955 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
956 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
957 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
958 {"align", XN_FLAG_FN_ALIGN, 0},
959 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
960 {"space_eq", XN_FLAG_SPC_EQ, 0},
961 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
962 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
963 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
964 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
965 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
966 {NULL, 0, 0}
967 };
968 if (set_multi_opts(flags, arg, ex_tbl) == 0)
969 return 0;
970 if (*flags != XN_FLAG_COMPAT
971 && (*flags & XN_FLAG_SEP_MASK) == 0)
972 *flags |= XN_FLAG_SEP_CPLUS_SPC;
973 return 1;
974 }
975
976 int set_ext_copy(int *copy_type, const char *arg)
977 {
978 if (strcasecmp(arg, "none") == 0)
979 *copy_type = EXT_COPY_NONE;
980 else if (strcasecmp(arg, "copy") == 0)
981 *copy_type = EXT_COPY_ADD;
982 else if (strcasecmp(arg, "copyall") == 0)
983 *copy_type = EXT_COPY_ALL;
984 else
985 return 0;
986 return 1;
987 }
988
989 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
990 {
991 STACK_OF(X509_EXTENSION) *exts;
992 int i, ret = 0;
993
994 if (x == NULL || req == NULL)
995 return 0;
996 if (copy_type == EXT_COPY_NONE)
997 return 1;
998 exts = X509_REQ_get_extensions(req);
999
1000 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1001 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1002 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1003 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1004
1005 /* Does extension exist in target? */
1006 if (idx != -1) {
1007 /* If normal copy don't override existing extension */
1008 if (copy_type == EXT_COPY_ADD)
1009 continue;
1010 /* Delete all extensions of same type */
1011 do {
1012 X509_EXTENSION_free(X509_delete_ext(x, idx));
1013 idx = X509_get_ext_by_OBJ(x, obj, -1);
1014 } while (idx != -1);
1015 }
1016 if (!X509_add_ext(x, ext, -1))
1017 goto end;
1018 }
1019 ret = 1;
1020
1021 end:
1022 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1023 return ret;
1024 }
1025
1026 static int set_multi_opts(unsigned long *flags, const char *arg,
1027 const NAME_EX_TBL * in_tbl)
1028 {
1029 STACK_OF(CONF_VALUE) *vals;
1030 CONF_VALUE *val;
1031 int i, ret = 1;
1032 if (!arg)
1033 return 0;
1034 vals = X509V3_parse_list(arg);
1035 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1036 val = sk_CONF_VALUE_value(vals, i);
1037 if (!set_table_opts(flags, val->name, in_tbl))
1038 ret = 0;
1039 }
1040 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1041 return ret;
1042 }
1043
1044 static int set_table_opts(unsigned long *flags, const char *arg,
1045 const NAME_EX_TBL * in_tbl)
1046 {
1047 char c;
1048 const NAME_EX_TBL *ptbl;
1049 c = arg[0];
1050
1051 if (c == '-') {
1052 c = 0;
1053 arg++;
1054 } else if (c == '+') {
1055 c = 1;
1056 arg++;
1057 } else {
1058 c = 1;
1059 }
1060
1061 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1062 if (strcasecmp(arg, ptbl->name) == 0) {
1063 *flags &= ~ptbl->mask;
1064 if (c)
1065 *flags |= ptbl->flag;
1066 else
1067 *flags &= ~ptbl->flag;
1068 return 1;
1069 }
1070 }
1071 return 0;
1072 }
1073
1074 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1075 {
1076 char *buf;
1077 char mline = 0;
1078 int indent = 0;
1079 unsigned long lflags = get_nameopt();
1080
1081 if (title != NULL)
1082 BIO_puts(out, title);
1083 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1084 mline = 1;
1085 indent = 4;
1086 }
1087 if (lflags == XN_FLAG_COMPAT) {
1088 buf = X509_NAME_oneline(nm, 0, 0);
1089 BIO_puts(out, buf);
1090 BIO_puts(out, "\n");
1091 OPENSSL_free(buf);
1092 } else {
1093 if (mline)
1094 BIO_puts(out, "\n");
1095 X509_NAME_print_ex(out, nm, indent, lflags);
1096 BIO_puts(out, "\n");
1097 }
1098 }
1099
1100 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1101 int len, unsigned char *buffer)
1102 {
1103 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1104 if (BN_is_zero(in)) {
1105 BIO_printf(out, "\n 0x00");
1106 } else {
1107 int i, l;
1108
1109 l = BN_bn2bin(in, buffer);
1110 for (i = 0; i < l; i++) {
1111 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1112 if (i < l - 1)
1113 BIO_printf(out, "0x%02X,", buffer[i]);
1114 else
1115 BIO_printf(out, "0x%02X", buffer[i]);
1116 }
1117 }
1118 BIO_printf(out, "\n };\n");
1119 }
1120
1121 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1122 {
1123 int i;
1124
1125 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1126 for (i = 0; i < len; i++) {
1127 if ((i % 10) == 0)
1128 BIO_printf(out, "\n ");
1129 if (i < len - 1)
1130 BIO_printf(out, "0x%02X, ", d[i]);
1131 else
1132 BIO_printf(out, "0x%02X", d[i]);
1133 }
1134 BIO_printf(out, "\n};\n");
1135 }
1136
1137 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1138 const char *CApath, int noCApath,
1139 const char *CAstore, int noCAstore)
1140 {
1141 X509_STORE *store = X509_STORE_new();
1142 X509_LOOKUP *lookup;
1143 OSSL_LIB_CTX *libctx = app_get0_libctx();
1144 const char *propq = app_get0_propq();
1145
1146 if (store == NULL)
1147 goto end;
1148
1149 if (CAfile != NULL || !noCAfile) {
1150 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1151 if (lookup == NULL)
1152 goto end;
1153 if (CAfile != NULL) {
1154 if (!X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1155 libctx, propq)) {
1156 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1157 goto end;
1158 }
1159 } else {
1160 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1161 libctx, propq);
1162 }
1163 }
1164
1165 if (CApath != NULL || !noCApath) {
1166 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1167 if (lookup == NULL)
1168 goto end;
1169 if (CApath != NULL) {
1170 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1171 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1172 goto end;
1173 }
1174 } else {
1175 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1176 }
1177 }
1178
1179 if (CAstore != NULL || !noCAstore) {
1180 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1181 if (lookup == NULL)
1182 goto end;
1183 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1184 if (CAstore != NULL)
1185 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1186 goto end;
1187 }
1188 }
1189
1190 ERR_clear_error();
1191 return store;
1192 end:
1193 ERR_print_errors(bio_err);
1194 X509_STORE_free(store);
1195 return NULL;
1196 }
1197
1198 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1199 {
1200 const char *n;
1201
1202 n = a[DB_serial];
1203 while (*n == '0')
1204 n++;
1205 return OPENSSL_LH_strhash(n);
1206 }
1207
1208 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1209 const OPENSSL_CSTRING *b)
1210 {
1211 const char *aa, *bb;
1212
1213 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1214 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1215 return strcmp(aa, bb);
1216 }
1217
1218 static int index_name_qual(char **a)
1219 {
1220 return (a[0][0] == 'V');
1221 }
1222
1223 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1224 {
1225 return OPENSSL_LH_strhash(a[DB_name]);
1226 }
1227
1228 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1229 {
1230 return strcmp(a[DB_name], b[DB_name]);
1231 }
1232
1233 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1234 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1235 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1236 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1237 #undef BSIZE
1238 #define BSIZE 256
1239 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1240 {
1241 BIO *in = NULL;
1242 BIGNUM *ret = NULL;
1243 char buf[1024];
1244 ASN1_INTEGER *ai = NULL;
1245
1246 ai = ASN1_INTEGER_new();
1247 if (ai == NULL)
1248 goto err;
1249
1250 in = BIO_new_file(serialfile, "r");
1251 if (in == NULL) {
1252 if (!create) {
1253 perror(serialfile);
1254 goto err;
1255 }
1256 ERR_clear_error();
1257 ret = BN_new();
1258 if (ret == NULL || !rand_serial(ret, ai))
1259 BIO_printf(bio_err, "Out of memory\n");
1260 } else {
1261 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1262 BIO_printf(bio_err, "Unable to load number from %s\n",
1263 serialfile);
1264 goto err;
1265 }
1266 ret = ASN1_INTEGER_to_BN(ai, NULL);
1267 if (ret == NULL) {
1268 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1269 goto err;
1270 }
1271 }
1272
1273 if (ret && retai) {
1274 *retai = ai;
1275 ai = NULL;
1276 }
1277 err:
1278 ERR_print_errors(bio_err);
1279 BIO_free(in);
1280 ASN1_INTEGER_free(ai);
1281 return ret;
1282 }
1283
1284 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1285 ASN1_INTEGER **retai)
1286 {
1287 char buf[1][BSIZE];
1288 BIO *out = NULL;
1289 int ret = 0;
1290 ASN1_INTEGER *ai = NULL;
1291 int j;
1292
1293 if (suffix == NULL)
1294 j = strlen(serialfile);
1295 else
1296 j = strlen(serialfile) + strlen(suffix) + 1;
1297 if (j >= BSIZE) {
1298 BIO_printf(bio_err, "File name too long\n");
1299 goto err;
1300 }
1301
1302 if (suffix == NULL)
1303 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1304 else {
1305 #ifndef OPENSSL_SYS_VMS
1306 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1307 #else
1308 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1309 #endif
1310 }
1311 out = BIO_new_file(buf[0], "w");
1312 if (out == NULL) {
1313 goto err;
1314 }
1315
1316 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1317 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1318 goto err;
1319 }
1320 i2a_ASN1_INTEGER(out, ai);
1321 BIO_puts(out, "\n");
1322 ret = 1;
1323 if (retai) {
1324 *retai = ai;
1325 ai = NULL;
1326 }
1327 err:
1328 if (!ret)
1329 ERR_print_errors(bio_err);
1330 BIO_free_all(out);
1331 ASN1_INTEGER_free(ai);
1332 return ret;
1333 }
1334
1335 int rotate_serial(const char *serialfile, const char *new_suffix,
1336 const char *old_suffix)
1337 {
1338 char buf[2][BSIZE];
1339 int i, j;
1340
1341 i = strlen(serialfile) + strlen(old_suffix);
1342 j = strlen(serialfile) + strlen(new_suffix);
1343 if (i > j)
1344 j = i;
1345 if (j + 1 >= BSIZE) {
1346 BIO_printf(bio_err, "File name too long\n");
1347 goto err;
1348 }
1349 #ifndef OPENSSL_SYS_VMS
1350 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1351 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1352 #else
1353 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1354 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1355 #endif
1356 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1357 #ifdef ENOTDIR
1358 && errno != ENOTDIR
1359 #endif
1360 ) {
1361 BIO_printf(bio_err,
1362 "Unable to rename %s to %s\n", serialfile, buf[1]);
1363 perror("reason");
1364 goto err;
1365 }
1366 if (rename(buf[0], serialfile) < 0) {
1367 BIO_printf(bio_err,
1368 "Unable to rename %s to %s\n", buf[0], serialfile);
1369 perror("reason");
1370 rename(buf[1], serialfile);
1371 goto err;
1372 }
1373 return 1;
1374 err:
1375 ERR_print_errors(bio_err);
1376 return 0;
1377 }
1378
1379 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1380 {
1381 BIGNUM *btmp;
1382 int ret = 0;
1383
1384 btmp = b == NULL ? BN_new() : b;
1385 if (btmp == NULL)
1386 return 0;
1387
1388 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1389 goto error;
1390 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1391 goto error;
1392
1393 ret = 1;
1394
1395 error:
1396
1397 if (btmp != b)
1398 BN_free(btmp);
1399
1400 return ret;
1401 }
1402
1403 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1404 {
1405 CA_DB *retdb = NULL;
1406 TXT_DB *tmpdb = NULL;
1407 BIO *in;
1408 CONF *dbattr_conf = NULL;
1409 char buf[BSIZE];
1410 #ifndef OPENSSL_NO_POSIX_IO
1411 FILE *dbfp;
1412 struct stat dbst;
1413 #endif
1414
1415 in = BIO_new_file(dbfile, "r");
1416 if (in == NULL)
1417 goto err;
1418
1419 #ifndef OPENSSL_NO_POSIX_IO
1420 BIO_get_fp(in, &dbfp);
1421 if (fstat(fileno(dbfp), &dbst) == -1) {
1422 ERR_raise_data(ERR_LIB_SYS, errno,
1423 "calling fstat(%s)", dbfile);
1424 goto err;
1425 }
1426 #endif
1427
1428 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1429 goto err;
1430
1431 #ifndef OPENSSL_SYS_VMS
1432 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1433 #else
1434 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1435 #endif
1436 dbattr_conf = app_load_config_quiet(buf);
1437
1438 retdb = app_malloc(sizeof(*retdb), "new DB");
1439 retdb->db = tmpdb;
1440 tmpdb = NULL;
1441 if (db_attr)
1442 retdb->attributes = *db_attr;
1443 else {
1444 retdb->attributes.unique_subject = 1;
1445 }
1446
1447 if (dbattr_conf) {
1448 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1449 if (p) {
1450 retdb->attributes.unique_subject = parse_yesno(p, 1);
1451 }
1452 }
1453
1454 retdb->dbfname = OPENSSL_strdup(dbfile);
1455 #ifndef OPENSSL_NO_POSIX_IO
1456 retdb->dbst = dbst;
1457 #endif
1458
1459 err:
1460 ERR_print_errors(bio_err);
1461 NCONF_free(dbattr_conf);
1462 TXT_DB_free(tmpdb);
1463 BIO_free_all(in);
1464 return retdb;
1465 }
1466
1467 /*
1468 * Returns > 0 on success, <= 0 on error
1469 */
1470 int index_index(CA_DB *db)
1471 {
1472 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1473 LHASH_HASH_FN(index_serial),
1474 LHASH_COMP_FN(index_serial))) {
1475 BIO_printf(bio_err,
1476 "Error creating serial number index:(%ld,%ld,%ld)\n",
1477 db->db->error, db->db->arg1, db->db->arg2);
1478 goto err;
1479 }
1480
1481 if (db->attributes.unique_subject
1482 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1483 LHASH_HASH_FN(index_name),
1484 LHASH_COMP_FN(index_name))) {
1485 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1486 db->db->error, db->db->arg1, db->db->arg2);
1487 goto err;
1488 }
1489 return 1;
1490 err:
1491 ERR_print_errors(bio_err);
1492 return 0;
1493 }
1494
1495 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1496 {
1497 char buf[3][BSIZE];
1498 BIO *out;
1499 int j;
1500
1501 j = strlen(dbfile) + strlen(suffix);
1502 if (j + 6 >= BSIZE) {
1503 BIO_printf(bio_err, "File name too long\n");
1504 goto err;
1505 }
1506 #ifndef OPENSSL_SYS_VMS
1507 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1508 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1509 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1510 #else
1511 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1512 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1513 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1514 #endif
1515 out = BIO_new_file(buf[0], "w");
1516 if (out == NULL) {
1517 perror(dbfile);
1518 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1519 goto err;
1520 }
1521 j = TXT_DB_write(out, db->db);
1522 BIO_free(out);
1523 if (j <= 0)
1524 goto err;
1525
1526 out = BIO_new_file(buf[1], "w");
1527 if (out == NULL) {
1528 perror(buf[2]);
1529 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1530 goto err;
1531 }
1532 BIO_printf(out, "unique_subject = %s\n",
1533 db->attributes.unique_subject ? "yes" : "no");
1534 BIO_free(out);
1535
1536 return 1;
1537 err:
1538 ERR_print_errors(bio_err);
1539 return 0;
1540 }
1541
1542 int rotate_index(const char *dbfile, const char *new_suffix,
1543 const char *old_suffix)
1544 {
1545 char buf[5][BSIZE];
1546 int i, j;
1547
1548 i = strlen(dbfile) + strlen(old_suffix);
1549 j = strlen(dbfile) + strlen(new_suffix);
1550 if (i > j)
1551 j = i;
1552 if (j + 6 >= BSIZE) {
1553 BIO_printf(bio_err, "File name too long\n");
1554 goto err;
1555 }
1556 #ifndef OPENSSL_SYS_VMS
1557 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1558 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1559 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1560 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1561 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1562 #else
1563 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1564 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1565 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1566 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1567 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1568 #endif
1569 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1570 #ifdef ENOTDIR
1571 && errno != ENOTDIR
1572 #endif
1573 ) {
1574 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1575 perror("reason");
1576 goto err;
1577 }
1578 if (rename(buf[0], dbfile) < 0) {
1579 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1580 perror("reason");
1581 rename(buf[1], dbfile);
1582 goto err;
1583 }
1584 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1585 #ifdef ENOTDIR
1586 && errno != ENOTDIR
1587 #endif
1588 ) {
1589 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1590 perror("reason");
1591 rename(dbfile, buf[0]);
1592 rename(buf[1], dbfile);
1593 goto err;
1594 }
1595 if (rename(buf[2], buf[4]) < 0) {
1596 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1597 perror("reason");
1598 rename(buf[3], buf[4]);
1599 rename(dbfile, buf[0]);
1600 rename(buf[1], dbfile);
1601 goto err;
1602 }
1603 return 1;
1604 err:
1605 ERR_print_errors(bio_err);
1606 return 0;
1607 }
1608
1609 void free_index(CA_DB *db)
1610 {
1611 if (db) {
1612 TXT_DB_free(db->db);
1613 OPENSSL_free(db->dbfname);
1614 OPENSSL_free(db);
1615 }
1616 }
1617
1618 int parse_yesno(const char *str, int def)
1619 {
1620 if (str) {
1621 switch (*str) {
1622 case 'f': /* false */
1623 case 'F': /* FALSE */
1624 case 'n': /* no */
1625 case 'N': /* NO */
1626 case '0': /* 0 */
1627 return 0;
1628 case 't': /* true */
1629 case 'T': /* TRUE */
1630 case 'y': /* yes */
1631 case 'Y': /* YES */
1632 case '1': /* 1 */
1633 return 1;
1634 }
1635 }
1636 return def;
1637 }
1638
1639 /*
1640 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1641 * where + can be used instead of / to form multi-valued RDNs if canmulti
1642 * and characters may be escaped by \
1643 */
1644 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1645 const char *desc)
1646 {
1647 int nextismulti = 0;
1648 char *work;
1649 X509_NAME *n;
1650
1651 if (*cp++ != '/') {
1652 BIO_printf(bio_err,
1653 "%s: %s name is expected to be in the format "
1654 "/type0=value0/type1=value1/type2=... where characters may "
1655 "be escaped by \\. This name is not in that format: '%s'\n",
1656 opt_getprog(), desc, --cp);
1657 return NULL;
1658 }
1659
1660 n = X509_NAME_new();
1661 if (n == NULL) {
1662 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1663 return NULL;
1664 }
1665 work = OPENSSL_strdup(cp);
1666 if (work == NULL) {
1667 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1668 opt_getprog(), desc);
1669 goto err;
1670 }
1671
1672 while (*cp != '\0') {
1673 char *bp = work;
1674 char *typestr = bp;
1675 unsigned char *valstr;
1676 int nid;
1677 int ismulti = nextismulti;
1678 nextismulti = 0;
1679
1680 /* Collect the type */
1681 while (*cp != '\0' && *cp != '=')
1682 *bp++ = *cp++;
1683 *bp++ = '\0';
1684 if (*cp == '\0') {
1685 BIO_printf(bio_err,
1686 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1687 opt_getprog(), typestr, desc);
1688 goto err;
1689 }
1690 ++cp;
1691
1692 /* Collect the value. */
1693 valstr = (unsigned char *)bp;
1694 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1695 /* unescaped '+' symbol string signals further member of multiRDN */
1696 if (canmulti && *cp == '+') {
1697 nextismulti = 1;
1698 break;
1699 }
1700 if (*cp == '\\' && *++cp == '\0') {
1701 BIO_printf(bio_err,
1702 "%s: Escape character at end of %s name string\n",
1703 opt_getprog(), desc);
1704 goto err;
1705 }
1706 }
1707 *bp++ = '\0';
1708
1709 /* If not at EOS (must be + or /), move forward. */
1710 if (*cp != '\0')
1711 ++cp;
1712
1713 /* Parse */
1714 nid = OBJ_txt2nid(typestr);
1715 if (nid == NID_undef) {
1716 BIO_printf(bio_err,
1717 "%s: Skipping unknown %s name attribute \"%s\"\n",
1718 opt_getprog(), desc, typestr);
1719 if (ismulti)
1720 BIO_printf(bio_err,
1721 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1722 continue;
1723 }
1724 if (*valstr == '\0') {
1725 BIO_printf(bio_err,
1726 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1727 opt_getprog(), desc, typestr);
1728 continue;
1729 }
1730 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1731 valstr, strlen((char *)valstr),
1732 -1, ismulti ? -1 : 0)) {
1733 ERR_print_errors(bio_err);
1734 BIO_printf(bio_err,
1735 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1736 opt_getprog(), desc, typestr ,valstr);
1737 goto err;
1738 }
1739 }
1740
1741 OPENSSL_free(work);
1742 return n;
1743
1744 err:
1745 X509_NAME_free(n);
1746 OPENSSL_free(work);
1747 return NULL;
1748 }
1749
1750 /*
1751 * Read whole contents of a BIO into an allocated memory buffer and return
1752 * it.
1753 */
1754
1755 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1756 {
1757 BIO *mem;
1758 int len, ret;
1759 unsigned char tbuf[1024];
1760
1761 mem = BIO_new(BIO_s_mem());
1762 if (mem == NULL)
1763 return -1;
1764 for (;;) {
1765 if ((maxlen != -1) && maxlen < 1024)
1766 len = maxlen;
1767 else
1768 len = 1024;
1769 len = BIO_read(in, tbuf, len);
1770 if (len < 0) {
1771 BIO_free(mem);
1772 return -1;
1773 }
1774 if (len == 0)
1775 break;
1776 if (BIO_write(mem, tbuf, len) != len) {
1777 BIO_free(mem);
1778 return -1;
1779 }
1780 maxlen -= len;
1781
1782 if (maxlen == 0)
1783 break;
1784 }
1785 ret = BIO_get_mem_data(mem, (char **)out);
1786 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1787 BIO_free(mem);
1788 return ret;
1789 }
1790
1791 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1792 {
1793 int rv;
1794 char *stmp, *vtmp = NULL;
1795 stmp = OPENSSL_strdup(value);
1796 if (!stmp)
1797 return -1;
1798 vtmp = strchr(stmp, ':');
1799 if (vtmp) {
1800 *vtmp = 0;
1801 vtmp++;
1802 }
1803 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1804 OPENSSL_free(stmp);
1805 return rv;
1806 }
1807
1808 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1809 {
1810 X509_POLICY_NODE *node;
1811 int i;
1812
1813 BIO_printf(bio_err, "%s Policies:", name);
1814 if (nodes) {
1815 BIO_puts(bio_err, "\n");
1816 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1817 node = sk_X509_POLICY_NODE_value(nodes, i);
1818 X509_POLICY_NODE_print(bio_err, node, 2);
1819 }
1820 } else {
1821 BIO_puts(bio_err, " <empty>\n");
1822 }
1823 }
1824
1825 void policies_print(X509_STORE_CTX *ctx)
1826 {
1827 X509_POLICY_TREE *tree;
1828 int explicit_policy;
1829 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1830 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1831
1832 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1833 explicit_policy ? "True" : "False");
1834
1835 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1836 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1837 }
1838
1839 /*-
1840 * next_protos_parse parses a comma separated list of strings into a string
1841 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1842 * outlen: (output) set to the length of the resulting buffer on success.
1843 * err: (maybe NULL) on failure, an error message line is written to this BIO.
1844 * in: a NUL terminated string like "abc,def,ghi"
1845 *
1846 * returns: a malloc'd buffer or NULL on failure.
1847 */
1848 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1849 {
1850 size_t len;
1851 unsigned char *out;
1852 size_t i, start = 0;
1853 size_t skipped = 0;
1854
1855 len = strlen(in);
1856 if (len == 0 || len >= 65535)
1857 return NULL;
1858
1859 out = app_malloc(len + 1, "NPN buffer");
1860 for (i = 0; i <= len; ++i) {
1861 if (i == len || in[i] == ',') {
1862 /*
1863 * Zero-length ALPN elements are invalid on the wire, we could be
1864 * strict and reject the entire string, but just ignoring extra
1865 * commas seems harmless and more friendly.
1866 *
1867 * Every comma we skip in this way puts the input buffer another
1868 * byte ahead of the output buffer, so all stores into the output
1869 * buffer need to be decremented by the number commas skipped.
1870 */
1871 if (i == start) {
1872 ++start;
1873 ++skipped;
1874 continue;
1875 }
1876 if (i - start > 255) {
1877 OPENSSL_free(out);
1878 return NULL;
1879 }
1880 out[start-skipped] = (unsigned char)(i - start);
1881 start = i + 1;
1882 } else {
1883 out[i + 1 - skipped] = in[i];
1884 }
1885 }
1886
1887 if (len <= skipped) {
1888 OPENSSL_free(out);
1889 return NULL;
1890 }
1891
1892 *outlen = len + 1 - skipped;
1893 return out;
1894 }
1895
1896 void print_cert_checks(BIO *bio, X509 *x,
1897 const char *checkhost,
1898 const char *checkemail, const char *checkip)
1899 {
1900 if (x == NULL)
1901 return;
1902 if (checkhost) {
1903 BIO_printf(bio, "Hostname %s does%s match certificate\n",
1904 checkhost,
1905 X509_check_host(x, checkhost, 0, 0, NULL) == 1
1906 ? "" : " NOT");
1907 }
1908
1909 if (checkemail) {
1910 BIO_printf(bio, "Email %s does%s match certificate\n",
1911 checkemail, X509_check_email(x, checkemail, 0, 0)
1912 ? "" : " NOT");
1913 }
1914
1915 if (checkip) {
1916 BIO_printf(bio, "IP %s does%s match certificate\n",
1917 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
1918 }
1919 }
1920
1921 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
1922 {
1923 int i;
1924
1925 if (opts == NULL)
1926 return 1;
1927
1928 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
1929 char *opt = sk_OPENSSL_STRING_value(opts, i);
1930 if (pkey_ctrl_string(pkctx, opt) <= 0) {
1931 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
1932 ERR_print_errors(bio_err);
1933 return 0;
1934 }
1935 }
1936
1937 return 1;
1938 }
1939
1940 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
1941 {
1942 int i;
1943
1944 if (opts == NULL)
1945 return 1;
1946
1947 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
1948 char *opt = sk_OPENSSL_STRING_value(opts, i);
1949 if (x509_ctrl_string(x, opt) <= 0) {
1950 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
1951 ERR_print_errors(bio_err);
1952 return 0;
1953 }
1954 }
1955
1956 return 1;
1957 }
1958
1959 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
1960 {
1961 int i;
1962
1963 if (opts == NULL)
1964 return 1;
1965
1966 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
1967 char *opt = sk_OPENSSL_STRING_value(opts, i);
1968 if (x509_req_ctrl_string(x, opt) <= 0) {
1969 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
1970 ERR_print_errors(bio_err);
1971 return 0;
1972 }
1973 }
1974
1975 return 1;
1976 }
1977
1978 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1979 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1980 {
1981 EVP_PKEY_CTX *pkctx = NULL;
1982 int def_nid;
1983
1984 if (ctx == NULL)
1985 return 0;
1986 /*
1987 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
1988 * for this algorithm.
1989 */
1990 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
1991 && def_nid == NID_undef) {
1992 /* The signing algorithm requires there to be no digest */
1993 md = NULL;
1994 }
1995 return EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)
1996 && do_pkey_ctx_init(pkctx, sigopts);
1997 }
1998
1999 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2000 const char *name, const char *value, int add_default)
2001 {
2002 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2003 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2004 int idx, rv = 0;
2005
2006 if (new_ext == NULL)
2007 return rv;
2008
2009 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2010 if (idx >= 0) {
2011 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2012 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2013 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2014
2015 if (disabled) {
2016 X509_delete_ext(cert, idx);
2017 X509_EXTENSION_free(found_ext);
2018 } /* else keep existing key identifier, which might be outdated */
2019 rv = 1;
2020 } else {
2021 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2022 }
2023 X509_EXTENSION_free(new_ext);
2024 return rv;
2025 }
2026
2027 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2028 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const EVP_MD *md,
2029 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2030 {
2031 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2032 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2033 int self_sign;
2034 int rv = 0;
2035
2036 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2037 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2038 if (!X509_set_version(cert, 2)) /* Make sure cert is X509 v3 */
2039 goto end;
2040
2041 /*
2042 * Add default SKID before such that default AKID can make use of it
2043 * in case the certificate is self-signed
2044 */
2045 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2046 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2047 goto end;
2048 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2049 ERR_set_mark();
2050 self_sign = X509_check_private_key(cert, pkey);
2051 ERR_pop_to_mark();
2052 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2053 "keyid, issuer", !self_sign))
2054 goto end;
2055
2056 /* TODO any further measures for ensuring default RFC 5280 compliance */
2057 }
2058
2059 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2060 rv = (X509_sign_ctx(cert, mctx) > 0);
2061 end:
2062 EVP_MD_CTX_free(mctx);
2063 return rv;
2064 }
2065
2066 /* Sign the certificate request info */
2067 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
2068 STACK_OF(OPENSSL_STRING) *sigopts)
2069 {
2070 int rv = 0;
2071 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2072
2073 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2074 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2075 EVP_MD_CTX_free(mctx);
2076 return rv;
2077 }
2078
2079 /* Sign the CRL info */
2080 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
2081 STACK_OF(OPENSSL_STRING) *sigopts)
2082 {
2083 int rv = 0;
2084 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2085
2086 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2087 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2088 EVP_MD_CTX_free(mctx);
2089 return rv;
2090 }
2091
2092 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2093 {
2094 int rv = 0;
2095
2096 if (do_x509_init(x, vfyopts) > 0)
2097 rv = (X509_verify(x, pkey) > 0);
2098 return rv;
2099 }
2100
2101 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2102 STACK_OF(OPENSSL_STRING) *vfyopts)
2103 {
2104 int rv = 0;
2105
2106 if (do_x509_req_init(x, vfyopts) > 0)
2107 rv = (X509_REQ_verify(x, pkey) > 0);
2108 return rv;
2109 }
2110
2111 /* Get first http URL from a DIST_POINT structure */
2112
2113 static const char *get_dp_url(DIST_POINT *dp)
2114 {
2115 GENERAL_NAMES *gens;
2116 GENERAL_NAME *gen;
2117 int i, gtype;
2118 ASN1_STRING *uri;
2119 if (!dp->distpoint || dp->distpoint->type != 0)
2120 return NULL;
2121 gens = dp->distpoint->name.fullname;
2122 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2123 gen = sk_GENERAL_NAME_value(gens, i);
2124 uri = GENERAL_NAME_get0_value(gen, &gtype);
2125 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2126 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2127
2128 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2129 return uptr;
2130 }
2131 }
2132 return NULL;
2133 }
2134
2135 /*
2136 * Look through a CRLDP structure and attempt to find an http URL to
2137 * downloads a CRL from.
2138 */
2139
2140 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2141 {
2142 int i;
2143 const char *urlptr = NULL;
2144 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2145 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2146 urlptr = get_dp_url(dp);
2147 if (urlptr)
2148 return load_crl(urlptr, "CRL via CDP");
2149 }
2150 return NULL;
2151 }
2152
2153 /*
2154 * Example of downloading CRLs from CRLDP:
2155 * not usable for real world as it always downloads and doesn't cache anything.
2156 */
2157
2158 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2159 const X509_NAME *nm)
2160 {
2161 X509 *x;
2162 STACK_OF(X509_CRL) *crls = NULL;
2163 X509_CRL *crl;
2164 STACK_OF(DIST_POINT) *crldp;
2165
2166 crls = sk_X509_CRL_new_null();
2167 if (!crls)
2168 return NULL;
2169 x = X509_STORE_CTX_get_current_cert(ctx);
2170 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2171 crl = load_crl_crldp(crldp);
2172 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2173 if (!crl) {
2174 sk_X509_CRL_free(crls);
2175 return NULL;
2176 }
2177 sk_X509_CRL_push(crls, crl);
2178 /* Try to download delta CRL */
2179 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2180 crl = load_crl_crldp(crldp);
2181 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2182 if (crl)
2183 sk_X509_CRL_push(crls, crl);
2184 return crls;
2185 }
2186
2187 void store_setup_crl_download(X509_STORE *st)
2188 {
2189 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2190 }
2191
2192 #ifndef OPENSSL_NO_SOCK
2193 static const char *tls_error_hint(void)
2194 {
2195 unsigned long err = ERR_peek_error();
2196
2197 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2198 err = ERR_peek_last_error();
2199 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2200 return NULL;
2201
2202 switch (ERR_GET_REASON(err)) {
2203 case SSL_R_WRONG_VERSION_NUMBER:
2204 return "The server does not support (a suitable version of) TLS";
2205 case SSL_R_UNKNOWN_PROTOCOL:
2206 return "The server does not support HTTPS";
2207 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2208 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2209 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2210 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2211 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2212 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2213 default: /* no error or no hint available for error */
2214 return NULL;
2215 }
2216 }
2217
2218 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2219 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2220 {
2221 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2222 SSL_CTX *ssl_ctx = info->ssl_ctx;
2223 SSL *ssl;
2224 BIO *sbio = NULL;
2225
2226 if (connect && detail) { /* connecting with TLS */
2227 if ((info->use_proxy
2228 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2229 NULL, NULL, /* no proxy credentials */
2230 info->timeout, bio_err, opt_getprog()))
2231 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2232 return NULL;
2233 }
2234 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2235 BIO_free(sbio);
2236 return NULL;
2237 }
2238
2239 SSL_set_tlsext_host_name(ssl, info->server);
2240
2241 SSL_set_connect_state(ssl);
2242 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2243
2244 hbio = BIO_push(sbio, hbio);
2245 } else if (!connect && !detail) { /* disconnecting after error */
2246 const char *hint = tls_error_hint();
2247 if (hint != NULL)
2248 ERR_add_error_data(2, " : ", hint);
2249 /*
2250 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2251 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2252 */
2253 }
2254 return hbio;
2255 }
2256
2257 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2258 const char *no_proxy, SSL_CTX *ssl_ctx,
2259 const STACK_OF(CONF_VALUE) *headers,
2260 long timeout, const char *expected_content_type,
2261 const ASN1_ITEM *it)
2262 {
2263 APP_HTTP_TLS_INFO info;
2264 char *server;
2265 char *port;
2266 int use_ssl;
2267 ASN1_VALUE *resp = NULL;
2268
2269 if (url == NULL || it == NULL) {
2270 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2271 return NULL;
2272 }
2273
2274 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2275 NULL /* port_num, */, NULL, NULL, NULL))
2276 return NULL;
2277 if (use_ssl && ssl_ctx == NULL) {
2278 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2279 "missing SSL_CTX");
2280 goto end;
2281 }
2282
2283 info.server = server;
2284 info.port = port;
2285 info.use_proxy = proxy != NULL;
2286 info.timeout = timeout;
2287 info.ssl_ctx = ssl_ctx;
2288 resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
2289 NULL, NULL, app_http_tls_cb, &info,
2290 headers, 0 /* maxline */, 0 /* max_resp_len */,
2291 timeout, expected_content_type, it);
2292 end:
2293 OPENSSL_free(server);
2294 OPENSSL_free(port);
2295 return resp;
2296
2297 }
2298
2299 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2300 const char *path, const char *proxy,
2301 const char *no_proxy, SSL_CTX *ssl_ctx,
2302 const STACK_OF(CONF_VALUE) *headers,
2303 const char *content_type,
2304 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2305 long timeout, const ASN1_ITEM *rsp_it)
2306 {
2307 APP_HTTP_TLS_INFO info;
2308
2309 info.server = host;
2310 info.port = port;
2311 info.use_proxy = proxy != NULL;
2312 info.timeout = timeout;
2313 info.ssl_ctx = ssl_ctx;
2314 return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
2315 proxy, no_proxy,
2316 NULL, NULL, app_http_tls_cb, &info,
2317 headers, content_type, req, req_it,
2318 0 /* maxline */,
2319 0 /* max_resp_len */, timeout, NULL, rsp_it);
2320 }
2321
2322 #endif
2323
2324 /*
2325 * Platform-specific sections
2326 */
2327 #if defined(_WIN32)
2328 # ifdef fileno
2329 # undef fileno
2330 # define fileno(a) (int)_fileno(a)
2331 # endif
2332
2333 # include <windows.h>
2334 # include <tchar.h>
2335
2336 static int WIN32_rename(const char *from, const char *to)
2337 {
2338 TCHAR *tfrom = NULL, *tto;
2339 DWORD err;
2340 int ret = 0;
2341
2342 if (sizeof(TCHAR) == 1) {
2343 tfrom = (TCHAR *)from;
2344 tto = (TCHAR *)to;
2345 } else { /* UNICODE path */
2346
2347 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2348 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2349 if (tfrom == NULL)
2350 goto err;
2351 tto = tfrom + flen;
2352 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2353 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2354 # endif
2355 for (i = 0; i < flen; i++)
2356 tfrom[i] = (TCHAR)from[i];
2357 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2358 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2359 # endif
2360 for (i = 0; i < tlen; i++)
2361 tto[i] = (TCHAR)to[i];
2362 }
2363
2364 if (MoveFile(tfrom, tto))
2365 goto ok;
2366 err = GetLastError();
2367 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2368 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2369 goto ok;
2370 err = GetLastError();
2371 }
2372 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2373 errno = ENOENT;
2374 else if (err == ERROR_ACCESS_DENIED)
2375 errno = EACCES;
2376 else
2377 errno = EINVAL; /* we could map more codes... */
2378 err:
2379 ret = -1;
2380 ok:
2381 if (tfrom != NULL && tfrom != (TCHAR *)from)
2382 free(tfrom);
2383 return ret;
2384 }
2385 #endif
2386
2387 /* app_tminterval section */
2388 #if defined(_WIN32)
2389 double app_tminterval(int stop, int usertime)
2390 {
2391 FILETIME now;
2392 double ret = 0;
2393 static ULARGE_INTEGER tmstart;
2394 static int warning = 1;
2395 # ifdef _WIN32_WINNT
2396 static HANDLE proc = NULL;
2397
2398 if (proc == NULL) {
2399 if (check_winnt())
2400 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2401 GetCurrentProcessId());
2402 if (proc == NULL)
2403 proc = (HANDLE) - 1;
2404 }
2405
2406 if (usertime && proc != (HANDLE) - 1) {
2407 FILETIME junk;
2408 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2409 } else
2410 # endif
2411 {
2412 SYSTEMTIME systime;
2413
2414 if (usertime && warning) {
2415 BIO_printf(bio_err, "To get meaningful results, run "
2416 "this program on idle system.\n");
2417 warning = 0;
2418 }
2419 GetSystemTime(&systime);
2420 SystemTimeToFileTime(&systime, &now);
2421 }
2422
2423 if (stop == TM_START) {
2424 tmstart.u.LowPart = now.dwLowDateTime;
2425 tmstart.u.HighPart = now.dwHighDateTime;
2426 } else {
2427 ULARGE_INTEGER tmstop;
2428
2429 tmstop.u.LowPart = now.dwLowDateTime;
2430 tmstop.u.HighPart = now.dwHighDateTime;
2431
2432 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2433 }
2434
2435 return ret;
2436 }
2437 #elif defined(OPENSSL_SYS_VXWORKS)
2438 # include <time.h>
2439
2440 double app_tminterval(int stop, int usertime)
2441 {
2442 double ret = 0;
2443 # ifdef CLOCK_REALTIME
2444 static struct timespec tmstart;
2445 struct timespec now;
2446 # else
2447 static unsigned long tmstart;
2448 unsigned long now;
2449 # endif
2450 static int warning = 1;
2451
2452 if (usertime && warning) {
2453 BIO_printf(bio_err, "To get meaningful results, run "
2454 "this program on idle system.\n");
2455 warning = 0;
2456 }
2457 # ifdef CLOCK_REALTIME
2458 clock_gettime(CLOCK_REALTIME, &now);
2459 if (stop == TM_START)
2460 tmstart = now;
2461 else
2462 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2463 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2464 # else
2465 now = tickGet();
2466 if (stop == TM_START)
2467 tmstart = now;
2468 else
2469 ret = (now - tmstart) / (double)sysClkRateGet();
2470 # endif
2471 return ret;
2472 }
2473
2474 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2475 # include <sys/times.h>
2476
2477 double app_tminterval(int stop, int usertime)
2478 {
2479 double ret = 0;
2480 struct tms rus;
2481 clock_t now = times(&rus);
2482 static clock_t tmstart;
2483
2484 if (usertime)
2485 now = rus.tms_utime;
2486
2487 if (stop == TM_START) {
2488 tmstart = now;
2489 } else {
2490 long int tck = sysconf(_SC_CLK_TCK);
2491 ret = (now - tmstart) / (double)tck;
2492 }
2493
2494 return ret;
2495 }
2496
2497 #else
2498 # include <sys/time.h>
2499 # include <sys/resource.h>
2500
2501 double app_tminterval(int stop, int usertime)
2502 {
2503 double ret = 0;
2504 struct rusage rus;
2505 struct timeval now;
2506 static struct timeval tmstart;
2507
2508 if (usertime)
2509 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2510 else
2511 gettimeofday(&now, NULL);
2512
2513 if (stop == TM_START)
2514 tmstart = now;
2515 else
2516 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2517 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2518
2519 return ret;
2520 }
2521 #endif
2522
2523 int app_access(const char* name, int flag)
2524 {
2525 #ifdef _WIN32
2526 return _access(name, flag);
2527 #else
2528 return access(name, flag);
2529 #endif
2530 }
2531
2532 int app_isdir(const char *name)
2533 {
2534 return opt_isdir(name);
2535 }
2536
2537 /* raw_read|write section */
2538 #if defined(__VMS)
2539 # include "vms_term_sock.h"
2540 static int stdin_sock = -1;
2541
2542 static void close_stdin_sock(void)
2543 {
2544 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2545 }
2546
2547 int fileno_stdin(void)
2548 {
2549 if (stdin_sock == -1) {
2550 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2551 atexit(close_stdin_sock);
2552 }
2553
2554 return stdin_sock;
2555 }
2556 #else
2557 int fileno_stdin(void)
2558 {
2559 return fileno(stdin);
2560 }
2561 #endif
2562
2563 int fileno_stdout(void)
2564 {
2565 return fileno(stdout);
2566 }
2567
2568 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2569 int raw_read_stdin(void *buf, int siz)
2570 {
2571 DWORD n;
2572 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2573 return n;
2574 else
2575 return -1;
2576 }
2577 #elif defined(__VMS)
2578 # include <sys/socket.h>
2579
2580 int raw_read_stdin(void *buf, int siz)
2581 {
2582 return recv(fileno_stdin(), buf, siz, 0);
2583 }
2584 #else
2585 # if defined(__TANDEM)
2586 # if defined(OPENSSL_TANDEM_FLOSS)
2587 # include <floss.h(floss_read)>
2588 # endif
2589 # endif
2590 int raw_read_stdin(void *buf, int siz)
2591 {
2592 return read(fileno_stdin(), buf, siz);
2593 }
2594 #endif
2595
2596 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2597 int raw_write_stdout(const void *buf, int siz)
2598 {
2599 DWORD n;
2600 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2601 return n;
2602 else
2603 return -1;
2604 }
2605 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2606 # if defined(__TANDEM)
2607 # if defined(OPENSSL_TANDEM_FLOSS)
2608 # include <floss.h(floss_write)>
2609 # endif
2610 # endif
2611 int raw_write_stdout(const void *buf,int siz)
2612 {
2613 return write(fileno(stdout),(void*)buf,siz);
2614 }
2615 #else
2616 # if defined(__TANDEM)
2617 # if defined(OPENSSL_TANDEM_FLOSS)
2618 # include <floss.h(floss_write)>
2619 # endif
2620 # endif
2621 int raw_write_stdout(const void *buf, int siz)
2622 {
2623 return write(fileno_stdout(), buf, siz);
2624 }
2625 #endif
2626
2627 /*
2628 * Centralized handling of input and output files with format specification
2629 * The format is meant to show what the input and output is supposed to be,
2630 * and is therefore a show of intent more than anything else. However, it
2631 * does impact behavior on some platforms, such as differentiating between
2632 * text and binary input/output on non-Unix platforms
2633 */
2634 BIO *dup_bio_in(int format)
2635 {
2636 return BIO_new_fp(stdin,
2637 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2638 }
2639
2640 BIO *dup_bio_out(int format)
2641 {
2642 BIO *b = BIO_new_fp(stdout,
2643 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2644 void *prefix = NULL;
2645
2646 #ifdef OPENSSL_SYS_VMS
2647 if (FMT_istext(format))
2648 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2649 #endif
2650
2651 if (FMT_istext(format)
2652 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2653 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2654 BIO_set_prefix(b, prefix);
2655 }
2656
2657 return b;
2658 }
2659
2660 BIO *dup_bio_err(int format)
2661 {
2662 BIO *b = BIO_new_fp(stderr,
2663 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2664 #ifdef OPENSSL_SYS_VMS
2665 if (FMT_istext(format))
2666 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2667 #endif
2668 return b;
2669 }
2670
2671 void unbuffer(FILE *fp)
2672 {
2673 /*
2674 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2675 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2676 * However, we trust that the C RTL will never give us a FILE pointer
2677 * above the first 4 GB of memory, so we simply turn off the warning
2678 * temporarily.
2679 */
2680 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2681 # pragma environment save
2682 # pragma message disable maylosedata2
2683 #endif
2684 setbuf(fp, NULL);
2685 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2686 # pragma environment restore
2687 #endif
2688 }
2689
2690 static const char *modestr(char mode, int format)
2691 {
2692 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2693
2694 switch (mode) {
2695 case 'a':
2696 return FMT_istext(format) ? "a" : "ab";
2697 case 'r':
2698 return FMT_istext(format) ? "r" : "rb";
2699 case 'w':
2700 return FMT_istext(format) ? "w" : "wb";
2701 }
2702 /* The assert above should make sure we never reach this point */
2703 return NULL;
2704 }
2705
2706 static const char *modeverb(char mode)
2707 {
2708 switch (mode) {
2709 case 'a':
2710 return "appending";
2711 case 'r':
2712 return "reading";
2713 case 'w':
2714 return "writing";
2715 }
2716 return "(doing something)";
2717 }
2718
2719 /*
2720 * Open a file for writing, owner-read-only.
2721 */
2722 BIO *bio_open_owner(const char *filename, int format, int private)
2723 {
2724 FILE *fp = NULL;
2725 BIO *b = NULL;
2726 int fd = -1, bflags, mode, textmode;
2727
2728 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2729 return bio_open_default(filename, 'w', format);
2730
2731 mode = O_WRONLY;
2732 #ifdef O_CREAT
2733 mode |= O_CREAT;
2734 #endif
2735 #ifdef O_TRUNC
2736 mode |= O_TRUNC;
2737 #endif
2738 textmode = FMT_istext(format);
2739 if (!textmode) {
2740 #ifdef O_BINARY
2741 mode |= O_BINARY;
2742 #elif defined(_O_BINARY)
2743 mode |= _O_BINARY;
2744 #endif
2745 }
2746
2747 #ifdef OPENSSL_SYS_VMS
2748 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2749 * it still needs to know that we're going binary, or fdopen()
2750 * will fail with "invalid argument"... so we tell VMS what the
2751 * context is.
2752 */
2753 if (!textmode)
2754 fd = open(filename, mode, 0600, "ctx=bin");
2755 else
2756 #endif
2757 fd = open(filename, mode, 0600);
2758 if (fd < 0)
2759 goto err;
2760 fp = fdopen(fd, modestr('w', format));
2761 if (fp == NULL)
2762 goto err;
2763 bflags = BIO_CLOSE;
2764 if (textmode)
2765 bflags |= BIO_FP_TEXT;
2766 b = BIO_new_fp(fp, bflags);
2767 if (b)
2768 return b;
2769
2770 err:
2771 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2772 opt_getprog(), filename, strerror(errno));
2773 ERR_print_errors(bio_err);
2774 /* If we have fp, then fdopen took over fd, so don't close both. */
2775 if (fp)
2776 fclose(fp);
2777 else if (fd >= 0)
2778 close(fd);
2779 return NULL;
2780 }
2781
2782 static BIO *bio_open_default_(const char *filename, char mode, int format,
2783 int quiet)
2784 {
2785 BIO *ret;
2786
2787 if (filename == NULL || strcmp(filename, "-") == 0) {
2788 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2789 if (quiet) {
2790 ERR_clear_error();
2791 return ret;
2792 }
2793 if (ret != NULL)
2794 return ret;
2795 BIO_printf(bio_err,
2796 "Can't open %s, %s\n",
2797 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2798 } else {
2799 ret = BIO_new_file(filename, modestr(mode, format));
2800 if (quiet) {
2801 ERR_clear_error();
2802 return ret;
2803 }
2804 if (ret != NULL)
2805 return ret;
2806 BIO_printf(bio_err,
2807 "Can't open \"%s\" for %s, %s\n",
2808 filename, modeverb(mode), strerror(errno));
2809 }
2810 ERR_print_errors(bio_err);
2811 return NULL;
2812 }
2813
2814 BIO *bio_open_default(const char *filename, char mode, int format)
2815 {
2816 return bio_open_default_(filename, mode, format, 0);
2817 }
2818
2819 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2820 {
2821 return bio_open_default_(filename, mode, format, 1);
2822 }
2823
2824 void wait_for_async(SSL *s)
2825 {
2826 /* On Windows select only works for sockets, so we simply don't wait */
2827 #ifndef OPENSSL_SYS_WINDOWS
2828 int width = 0;
2829 fd_set asyncfds;
2830 OSSL_ASYNC_FD *fds;
2831 size_t numfds;
2832 size_t i;
2833
2834 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2835 return;
2836 if (numfds == 0)
2837 return;
2838 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2839 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2840 OPENSSL_free(fds);
2841 return;
2842 }
2843
2844 FD_ZERO(&asyncfds);
2845 for (i = 0; i < numfds; i++) {
2846 if (width <= (int)fds[i])
2847 width = (int)fds[i] + 1;
2848 openssl_fdset((int)fds[i], &asyncfds);
2849 }
2850 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2851 OPENSSL_free(fds);
2852 #endif
2853 }
2854
2855 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2856 #if defined(OPENSSL_SYS_MSDOS)
2857 int has_stdin_waiting(void)
2858 {
2859 # if defined(OPENSSL_SYS_WINDOWS)
2860 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2861 DWORD events = 0;
2862 INPUT_RECORD inputrec;
2863 DWORD insize = 1;
2864 BOOL peeked;
2865
2866 if (inhand == INVALID_HANDLE_VALUE) {
2867 return 0;
2868 }
2869
2870 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2871 if (!peeked) {
2872 /* Probably redirected input? _kbhit() does not work in this case */
2873 if (!feof(stdin)) {
2874 return 1;
2875 }
2876 return 0;
2877 }
2878 # endif
2879 return _kbhit();
2880 }
2881 #endif
2882
2883 /* Corrupt a signature by modifying final byte */
2884 void corrupt_signature(const ASN1_STRING *signature)
2885 {
2886 unsigned char *s = signature->data;
2887 s[signature->length - 1] ^= 0x1;
2888 }
2889
2890 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2891 int days)
2892 {
2893 if (startdate == NULL || strcmp(startdate, "today") == 0) {
2894 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2895 return 0;
2896 } else {
2897 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
2898 return 0;
2899 }
2900 if (enddate == NULL) {
2901 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2902 == NULL)
2903 return 0;
2904 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
2905 return 0;
2906 }
2907 return 1;
2908 }
2909
2910 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
2911 {
2912 int ret = 0;
2913 ASN1_TIME *tm = ASN1_TIME_new();
2914
2915 if (tm == NULL)
2916 goto end;
2917
2918 if (lastupdate == NULL) {
2919 if (X509_gmtime_adj(tm, 0) == NULL)
2920 goto end;
2921 } else {
2922 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
2923 goto end;
2924 }
2925
2926 if (!X509_CRL_set1_lastUpdate(crl, tm))
2927 goto end;
2928
2929 ret = 1;
2930 end:
2931 ASN1_TIME_free(tm);
2932 return ret;
2933 }
2934
2935 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
2936 long days, long hours, long secs)
2937 {
2938 int ret = 0;
2939 ASN1_TIME *tm = ASN1_TIME_new();
2940
2941 if (tm == NULL)
2942 goto end;
2943
2944 if (nextupdate == NULL) {
2945 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
2946 goto end;
2947 } else {
2948 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
2949 goto end;
2950 }
2951
2952 if (!X509_CRL_set1_nextUpdate(crl, tm))
2953 goto end;
2954
2955 ret = 1;
2956 end:
2957 ASN1_TIME_free(tm);
2958 return ret;
2959 }
2960
2961 void make_uppercase(char *string)
2962 {
2963 int i;
2964
2965 for (i = 0; string[i] != '\0'; i++)
2966 string[i] = toupper((unsigned char)string[i]);
2967 }
2968
2969 int opt_printf_stderr(const char *fmt, ...)
2970 {
2971 va_list ap;
2972 int ret;
2973
2974 va_start(ap, fmt);
2975 ret = BIO_vprintf(bio_err, fmt, ap);
2976 va_end(ap);
2977 return ret;
2978 }
2979
2980 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
2981 const OSSL_PARAM *paramdefs)
2982 {
2983 OSSL_PARAM *params = NULL;
2984 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
2985 size_t params_n;
2986 char *opt = "", *stmp, *vtmp = NULL;
2987 int found = 1;
2988
2989 if (opts == NULL)
2990 return NULL;
2991
2992 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
2993 if (params == NULL)
2994 return NULL;
2995
2996 for (params_n = 0; params_n < sz; params_n++) {
2997 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
2998 if ((stmp = OPENSSL_strdup(opt)) == NULL
2999 || (vtmp = strchr(stmp, ':')) == NULL)
3000 goto err;
3001 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3002 *vtmp = 0;
3003 /* Skip over the separator so that vmtp points to the value */
3004 vtmp++;
3005 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3006 stmp, vtmp, strlen(vtmp), &found))
3007 goto err;
3008 OPENSSL_free(stmp);
3009 }
3010 params[params_n] = OSSL_PARAM_construct_end();
3011 return params;
3012 err:
3013 OPENSSL_free(stmp);
3014 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3015 opt);
3016 ERR_print_errors(bio_err);
3017 app_params_free(params);
3018 return NULL;
3019 }
3020
3021 void app_params_free(OSSL_PARAM *params)
3022 {
3023 int i;
3024
3025 if (params != NULL) {
3026 for (i = 0; params[i].key != NULL; ++i)
3027 OPENSSL_free(params[i].data);
3028 OPENSSL_free(params);
3029 }
3030 }
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