1 /*
2 * Copyright 1995-2025 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 #ifndef OPENSSL_NO_ENGINE
19 /* We need to use some deprecated APIs */
20 # define OPENSSL_SUPPRESS_DEPRECATED
21 # include <openssl/engine.h>
22 #endif
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <sys/types.h>
28 #ifndef OPENSSL_NO_POSIX_IO
29 # include <sys/stat.h>
30 # include <fcntl.h>
31 #endif
32 #include <ctype.h>
33 #include <errno.h>
34 #include <openssl/err.h>
35 #include <openssl/x509.h>
36 #include <openssl/x509v3.h>
37 #include <openssl/http.h>
38 #include <openssl/pem.h>
39 #include <openssl/store.h>
40 #include <openssl/pkcs12.h>
41 #include <openssl/ui.h>
42 #include <openssl/safestack.h>
43 #include <openssl/rsa.h>
44 #include <openssl/rand.h>
45 #include <openssl/bn.h>
46 #include <openssl/ssl.h>
47 #include <openssl/core_names.h>
48 #include "s_apps.h"
49 #include "apps.h"
50
51 #include "internal/sockets.h" /* for openssl_fdset() */
52 #include "internal/e_os.h"
53
54 #ifdef _WIN32
55 static int WIN32_rename(const char *from, const char *to);
56 # define rename(from, to) WIN32_rename((from), (to))
57 #endif
58
59 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
60 # include <conio.h>
61 #endif
62
63 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
64 # define _kbhit kbhit
65 #endif
66
67 static BIO *bio_open_default_(const char *filename, char mode, int format,
68 int quiet);
69
70 #define PASS_SOURCE_SIZE_MAX 4
71
72 DEFINE_STACK_OF(CONF)
73
74 typedef struct {
75 const char *name;
76 unsigned long flag;
77 unsigned long mask;
78 } NAME_EX_TBL;
79
80 static int set_table_opts(unsigned long *flags, const char *arg,
81 const NAME_EX_TBL *in_tbl);
82 static int set_multi_opts(unsigned long *flags, const char *arg,
83 const NAME_EX_TBL *in_tbl);
84 int app_init(long mesgwin);
85
chopup_args(ARGS * arg,char * buf)86 int chopup_args(ARGS *arg, char *buf)
87 {
88 int quoted;
89 char c = '\0', *p = NULL;
90
91 arg->argc = 0;
92 if (arg->size == 0) {
93 arg->size = 20;
94 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
95 }
96
97 for (p = buf;;) {
98 /* Skip whitespace. */
99 while (*p && isspace(_UC(*p)))
100 p++;
101 if (*p == '\0')
102 break;
103
104 /* The start of something good :-) */
105 if (arg->argc >= arg->size) {
106 char **tmp;
107
108 arg->size += 20;
109 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
110 if (tmp == NULL)
111 return 0;
112 arg->argv = tmp;
113 }
114 quoted = *p == '\'' || *p == '"';
115 if (quoted)
116 c = *p++;
117 arg->argv[arg->argc++] = p;
118
119 /* now look for the end of this */
120 if (quoted) {
121 while (*p && *p != c)
122 p++;
123 *p++ = '\0';
124 } else {
125 while (*p && !isspace(_UC(*p)))
126 p++;
127 if (*p)
128 *p++ = '\0';
129 }
130 }
131 arg->argv[arg->argc] = NULL;
132 return 1;
133 }
134
135 #ifndef APP_INIT
app_init(long mesgwin)136 int app_init(long mesgwin)
137 {
138 return 1;
139 }
140 #endif
141
ctx_set_verify_locations(SSL_CTX * ctx,const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)142 int ctx_set_verify_locations(SSL_CTX *ctx,
143 const char *CAfile, int noCAfile,
144 const char *CApath, int noCApath,
145 const char *CAstore, int noCAstore)
146 {
147 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
148 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
149 return 0;
150 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
151 return 0;
152 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
153 return 0;
154
155 return 1;
156 }
157
158 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
159 return 0;
160 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
161 return 0;
162 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
163 return 0;
164 return 1;
165 }
166
167 #ifndef OPENSSL_NO_CT
168
ctx_set_ctlog_list_file(SSL_CTX * ctx,const char * path)169 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
170 {
171 if (path == NULL)
172 return SSL_CTX_set_default_ctlog_list_file(ctx);
173
174 return SSL_CTX_set_ctlog_list_file(ctx, path);
175 }
176
177 #endif
178
179 static unsigned long nmflag = 0;
180 static char nmflag_set = 0;
181
set_nameopt(const char * arg)182 int set_nameopt(const char *arg)
183 {
184 int ret = set_name_ex(&nmflag, arg);
185
186 if (ret)
187 nmflag_set = 1;
188
189 return ret;
190 }
191
get_nameopt(void)192 unsigned long get_nameopt(void)
193 {
194 return
195 nmflag_set ? nmflag : XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN
196 | ASN1_STRFLGS_ESC_CTRL
197 | ASN1_STRFLGS_UTF8_CONVERT
198 | ASN1_STRFLGS_DUMP_UNKNOWN
199 | ASN1_STRFLGS_DUMP_DER;
200 }
201
dump_cert_text(BIO * out,X509 * x)202 void dump_cert_text(BIO *out, X509 *x)
203 {
204 print_name(out, "subject=", X509_get_subject_name(x));
205 print_name(out, "issuer=", X509_get_issuer_name(x));
206 }
207
wrap_password_callback(char * buf,int bufsiz,int verify,void * userdata)208 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
209 {
210 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
211 }
212
213 static char *app_get_pass(const char *arg, int keepbio);
214
get_passwd(const char * pass,const char * desc)215 char *get_passwd(const char *pass, const char *desc)
216 {
217 char *result = NULL;
218
219 if (desc == NULL)
220 desc = "<unknown>";
221 if (!app_passwd(pass, NULL, &result, NULL))
222 BIO_printf(bio_err, "Error getting password for %s\n", desc);
223 if (pass != NULL && result == NULL) {
224 BIO_printf(bio_err,
225 "Trying plain input string (better precede with 'pass:')\n");
226 result = OPENSSL_strdup(pass);
227 if (result == NULL)
228 BIO_printf(bio_err,
229 "Out of memory getting password for %s\n", desc);
230 }
231 return result;
232 }
233
app_passwd(const char * arg1,const char * arg2,char ** pass1,char ** pass2)234 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
235 {
236 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
237
238 if (arg1 != NULL) {
239 *pass1 = app_get_pass(arg1, same);
240 if (*pass1 == NULL)
241 return 0;
242 } else if (pass1 != NULL) {
243 *pass1 = NULL;
244 }
245 if (arg2 != NULL) {
246 *pass2 = app_get_pass(arg2, same ? 2 : 0);
247 if (*pass2 == NULL)
248 return 0;
249 } else if (pass2 != NULL) {
250 *pass2 = NULL;
251 }
252 return 1;
253 }
254
app_get_pass(const char * arg,int keepbio)255 static char *app_get_pass(const char *arg, int keepbio)
256 {
257 static BIO *pwdbio = NULL;
258 char *tmp, tpass[APP_PASS_LEN];
259 int i;
260
261 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
262 if (CHECK_AND_SKIP_PREFIX(arg, "pass:"))
263 return OPENSSL_strdup(arg);
264 if (CHECK_AND_SKIP_PREFIX(arg, "env:")) {
265 tmp = getenv(arg);
266 if (tmp == NULL) {
267 BIO_printf(bio_err, "No environment variable %s\n", arg);
268 return NULL;
269 }
270 return OPENSSL_strdup(tmp);
271 }
272 if (!keepbio || pwdbio == NULL) {
273 if (CHECK_AND_SKIP_PREFIX(arg, "file:")) {
274 pwdbio = BIO_new_file(arg, "r");
275 if (pwdbio == NULL) {
276 BIO_printf(bio_err, "Can't open file %s\n", arg);
277 return NULL;
278 }
279 #if !defined(_WIN32)
280 /*
281 * Under _WIN32, which covers even Win64 and CE, file
282 * descriptors referenced by BIO_s_fd are not inherited
283 * by child process and therefore below is not an option.
284 * It could have been an option if bss_fd.c was operating
285 * on real Windows descriptors, such as those obtained
286 * with CreateFile.
287 */
288 } else if (CHECK_AND_SKIP_PREFIX(arg, "fd:")) {
289 BIO *btmp;
290
291 i = atoi(arg);
292 if (i >= 0)
293 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
294 if ((i < 0) || pwdbio == NULL) {
295 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg);
296 return NULL;
297 }
298 /*
299 * Can't do BIO_gets on an fd BIO so add a buffering BIO
300 */
301 btmp = BIO_new(BIO_f_buffer());
302 if (btmp == NULL) {
303 BIO_free_all(pwdbio);
304 pwdbio = NULL;
305 BIO_printf(bio_err, "Out of memory\n");
306 return NULL;
307 }
308 pwdbio = BIO_push(btmp, pwdbio);
309 #endif
310 } else if (strcmp(arg, "stdin") == 0) {
311 unbuffer(stdin);
312 pwdbio = dup_bio_in(FORMAT_TEXT);
313 if (pwdbio == NULL) {
314 BIO_printf(bio_err, "Can't open BIO for stdin\n");
315 return NULL;
316 }
317 } else {
318 /* argument syntax error; do not reveal too much about arg */
319 tmp = strchr(arg, ':');
320 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
321 BIO_printf(bio_err,
322 "Invalid password argument, missing ':' within the first %d chars\n",
323 PASS_SOURCE_SIZE_MAX + 1);
324 else
325 BIO_printf(bio_err,
326 "Invalid password argument, starting with \"%.*s\"\n",
327 (int)(tmp - arg + 1), arg);
328 return NULL;
329 }
330 }
331 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
332 if (keepbio != 1) {
333 BIO_free_all(pwdbio);
334 pwdbio = NULL;
335 }
336 if (i <= 0) {
337 BIO_printf(bio_err, "Error reading password from BIO\n");
338 return NULL;
339 }
340 tmp = strchr(tpass, '\n');
341 if (tmp != NULL)
342 *tmp = 0;
343 return OPENSSL_strdup(tpass);
344 }
345
app_conf_try_string(const CONF * conf,const char * group,const char * name)346 char *app_conf_try_string(const CONF *conf, const char *group, const char *name)
347 {
348 char *res;
349
350 ERR_set_mark();
351 res = NCONF_get_string(conf, group, name);
352 if (res == NULL)
353 ERR_pop_to_mark();
354 else
355 ERR_clear_last_mark();
356 return res;
357 }
358
app_conf_try_number(const CONF * conf,const char * group,const char * name,long * result)359 int app_conf_try_number(const CONF *conf, const char *group, const char *name,
360 long *result)
361 {
362 int ok;
363
364 ERR_set_mark();
365 ok = NCONF_get_number(conf, group, name, result);
366 if (!ok)
367 ERR_pop_to_mark();
368 else
369 ERR_clear_last_mark();
370 return ok;
371 }
372
app_load_config_bio(BIO * in,const char * filename)373 CONF *app_load_config_bio(BIO *in, const char *filename)
374 {
375 long errorline = -1;
376 CONF *conf;
377 int i;
378
379 conf = NCONF_new_ex(app_get0_libctx(), NULL);
380 i = NCONF_load_bio(conf, in, &errorline);
381 if (i > 0)
382 return conf;
383
384 if (errorline <= 0) {
385 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
386 } else {
387 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
388 errorline);
389 }
390 if (filename != NULL)
391 BIO_printf(bio_err, "config file \"%s\"\n", filename);
392 else
393 BIO_printf(bio_err, "config input");
394
395 NCONF_free(conf);
396 return NULL;
397 }
398
app_load_config_verbose(const char * filename,int verbose)399 CONF *app_load_config_verbose(const char *filename, int verbose)
400 {
401 if (verbose) {
402 if (*filename == '\0')
403 BIO_printf(bio_err, "No configuration used\n");
404 else
405 BIO_printf(bio_err, "Using configuration from %s\n", filename);
406 }
407 return app_load_config_internal(filename, 0);
408 }
409
app_load_config_internal(const char * filename,int quiet)410 CONF *app_load_config_internal(const char *filename, int quiet)
411 {
412 BIO *in;
413 CONF *conf;
414
415 if (filename == NULL || *filename != '\0') {
416 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
417 return NULL;
418 conf = app_load_config_bio(in, filename);
419 BIO_free(in);
420 } else {
421 /* Return empty config if filename is empty string. */
422 conf = NCONF_new_ex(app_get0_libctx(), NULL);
423 }
424 return conf;
425 }
426
app_load_modules(const CONF * config)427 int app_load_modules(const CONF *config)
428 {
429 CONF *to_free = NULL;
430
431 if (config == NULL)
432 config = to_free = app_load_config_quiet(default_config_file);
433 if (config == NULL)
434 return 1;
435
436 if (CONF_modules_load(config, NULL, 0) <= 0) {
437 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
438 ERR_print_errors(bio_err);
439 NCONF_free(to_free);
440 return 0;
441 }
442 NCONF_free(to_free);
443 return 1;
444 }
445
add_oid_section(CONF * conf)446 int add_oid_section(CONF *conf)
447 {
448 char *p;
449 STACK_OF(CONF_VALUE) *sktmp;
450 CONF_VALUE *cnf;
451 int i;
452
453 if ((p = app_conf_try_string(conf, NULL, "oid_section")) == NULL)
454 return 1;
455 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
456 BIO_printf(bio_err, "problem loading oid section %s\n", p);
457 return 0;
458 }
459 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
460 cnf = sk_CONF_VALUE_value(sktmp, i);
461 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
462 BIO_printf(bio_err, "problem creating object %s=%s\n",
463 cnf->name, cnf->value);
464 return 0;
465 }
466 }
467 return 1;
468 }
469
app_load_config_modules(const char * configfile)470 CONF *app_load_config_modules(const char *configfile)
471 {
472 CONF *conf = NULL;
473
474 if (configfile != NULL) {
475 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
476 return NULL;
477 if (configfile != default_config_file && !app_load_modules(conf)) {
478 NCONF_free(conf);
479 conf = NULL;
480 }
481 }
482 return conf;
483 }
484
485 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX))
486 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX))
487
load_cert_pass(const char * uri,int format,int maybe_stdin,const char * pass,const char * desc)488 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
489 const char *pass, const char *desc)
490 {
491 X509 *cert = NULL;
492
493 if (desc == NULL)
494 desc = "certificate";
495 if (IS_HTTPS(uri)) {
496 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
497 } else if (IS_HTTP(uri)) {
498 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
499 if (cert == NULL) {
500 ERR_print_errors(bio_err);
501 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
502 }
503 } else {
504 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
505 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
506 }
507 return cert;
508 }
509
load_crl(const char * uri,int format,int maybe_stdin,const char * desc)510 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
511 const char *desc)
512 {
513 X509_CRL *crl = NULL;
514
515 if (desc == NULL)
516 desc = "CRL";
517 if (IS_HTTPS(uri)) {
518 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
519 } else if (IS_HTTP(uri)) {
520 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
521 if (crl == NULL) {
522 ERR_print_errors(bio_err);
523 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
524 }
525 } else {
526 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0,
527 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
528 }
529 return crl;
530 }
531
532 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */
load_csr(const char * file,int format,const char * desc)533 X509_REQ *load_csr(const char *file, int format, const char *desc)
534 {
535 X509_REQ *req = NULL;
536 BIO *in;
537
538 if (format == FORMAT_UNDEF)
539 format = FORMAT_PEM;
540 in = bio_open_default(file, 'r', format);
541 if (in == NULL)
542 goto end;
543
544 if (format == FORMAT_ASN1)
545 req = d2i_X509_REQ_bio(in, NULL);
546 else if (format == FORMAT_PEM)
547 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
548 else
549 print_format_error(format, OPT_FMT_PEMDER);
550
551 end:
552 if (req == NULL) {
553 ERR_print_errors(bio_err);
554 if (desc != NULL)
555 BIO_printf(bio_err, "Unable to load %s\n", desc);
556 }
557 BIO_free(in);
558 return req;
559 }
560
561 /* Better extend OSSL_STORE to support CSRs, see FR #15725 */
load_csr_autofmt(const char * infile,int format,STACK_OF (OPENSSL_STRING)* vfyopts,const char * desc)562 X509_REQ *load_csr_autofmt(const char *infile, int format,
563 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc)
564 {
565 X509_REQ *csr;
566
567 if (format != FORMAT_UNDEF) {
568 csr = load_csr(infile, format, desc);
569 } else { /* try PEM, then DER */
570 BIO *bio_bak = bio_err;
571
572 bio_err = NULL; /* do not show errors on more than one try */
573 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */);
574 bio_err = bio_bak;
575 if (csr == NULL) {
576 ERR_clear_error();
577 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */);
578 }
579 if (csr == NULL) {
580 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n",
581 desc, infile);
582 }
583 }
584 if (csr != NULL) {
585 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
586 int ret = do_X509_REQ_verify(csr, pkey, vfyopts);
587
588 if (pkey == NULL || ret < 0)
589 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n");
590 else if (ret == 0)
591 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n");
592 return csr;
593 }
594 return csr;
595 }
596
cleanse(char * str)597 void cleanse(char *str)
598 {
599 if (str != NULL)
600 OPENSSL_cleanse(str, strlen(str));
601 }
602
clear_free(char * str)603 void clear_free(char *str)
604 {
605 if (str != NULL)
606 OPENSSL_clear_free(str, strlen(str));
607 }
608
load_key(const char * uri,int format,int may_stdin,const char * pass,ENGINE * e,const char * desc)609 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
610 const char *pass, ENGINE *e, const char *desc)
611 {
612 EVP_PKEY *pkey = NULL;
613 char *allocated_uri = NULL;
614
615 if (desc == NULL)
616 desc = "private key";
617
618 if (format == FORMAT_ENGINE)
619 uri = allocated_uri = make_engine_uri(e, uri, desc);
620 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0,
621 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
622
623 OPENSSL_free(allocated_uri);
624 return pkey;
625 }
626
627 /* first try reading public key, on failure resort to loading private key */
load_pubkey(const char * uri,int format,int maybe_stdin,const char * pass,ENGINE * e,const char * desc)628 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
629 const char *pass, ENGINE *e, const char *desc)
630 {
631 EVP_PKEY *pkey = NULL;
632 char *allocated_uri = NULL;
633
634 if (desc == NULL)
635 desc = "public key";
636
637 if (format == FORMAT_ENGINE)
638 uri = allocated_uri = make_engine_uri(e, uri, desc);
639 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1,
640 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
641 if (pkey == NULL)
642 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
643 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
644 OPENSSL_free(allocated_uri);
645 return pkey;
646 }
647
load_keyparams_suppress(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc,int suppress_decode_errors)648 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
649 const char *keytype, const char *desc,
650 int suppress_decode_errors)
651 {
652 EVP_PKEY *params = NULL;
653
654 if (desc == NULL)
655 desc = "key parameters";
656 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
657 suppress_decode_errors,
658 NULL, NULL, ¶ms, NULL, NULL, NULL, NULL);
659 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
660 ERR_print_errors(bio_err);
661 BIO_printf(bio_err,
662 "Unable to load %s from %s (unexpected parameters type)\n",
663 desc, uri);
664 EVP_PKEY_free(params);
665 params = NULL;
666 }
667 return params;
668 }
669
load_keyparams(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc)670 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
671 const char *keytype, const char *desc)
672 {
673 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
674 }
675
app_bail_out(char * fmt,...)676 void app_bail_out(char *fmt, ...)
677 {
678 va_list args;
679
680 va_start(args, fmt);
681 BIO_vprintf(bio_err, fmt, args);
682 va_end(args);
683 ERR_print_errors(bio_err);
684 exit(EXIT_FAILURE);
685 }
686
app_malloc(size_t sz,const char * what)687 void *app_malloc(size_t sz, const char *what)
688 {
689 void *vp = OPENSSL_malloc(sz);
690
691 if (vp == NULL)
692 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
693 opt_getprog(), sz, what);
694 return vp;
695 }
696
next_item(char * opt)697 char *next_item(char *opt) /* in list separated by comma and/or space */
698 {
699 /* advance to separator (comma or whitespace), if any */
700 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0')
701 opt++;
702 if (*opt != '\0') {
703 /* terminate current item */
704 *opt++ = '\0';
705 /* skip over any whitespace after separator */
706 while (isspace(_UC(*opt)))
707 opt++;
708 }
709 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
710 }
711
warn_cert_msg(const char * uri,X509 * cert,const char * msg)712 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
713 {
714 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
715
716 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
717 uri, subj, msg);
718 OPENSSL_free(subj);
719 }
720
warn_cert(const char * uri,X509 * cert,int warn_EE,X509_VERIFY_PARAM * vpm)721 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
722 X509_VERIFY_PARAM *vpm)
723 {
724 uint32_t ex_flags = X509_get_extension_flags(cert);
725 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
726 X509_get0_notAfter(cert));
727
728 if (res != 0)
729 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
730 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
731 warn_cert_msg(uri, cert, "is not a CA cert");
732 }
733
warn_certs(const char * uri,STACK_OF (X509)* certs,int warn_EE,X509_VERIFY_PARAM * vpm)734 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
735 X509_VERIFY_PARAM *vpm)
736 {
737 int i;
738
739 for (i = 0; i < sk_X509_num(certs); i++)
740 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
741 }
742
load_cert_certs(const char * uri,X509 ** pcert,STACK_OF (X509)** pcerts,int exclude_http,const char * pass,const char * desc,X509_VERIFY_PARAM * vpm)743 int load_cert_certs(const char *uri,
744 X509 **pcert, STACK_OF(X509) **pcerts,
745 int exclude_http, const char *pass, const char *desc,
746 X509_VERIFY_PARAM *vpm)
747 {
748 int ret = 0;
749 char *pass_string;
750
751 if (desc == NULL)
752 desc = pcerts == NULL ? "certificate" : "certificates";
753 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://")
754 || HAS_CASE_PREFIX(uri, "https://"))) {
755 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
756 return ret;
757 }
758 pass_string = get_passwd(pass, desc);
759 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0,
760 NULL, NULL, NULL, pcert, pcerts, NULL, NULL);
761 clear_free(pass_string);
762
763 if (ret) {
764 if (pcert != NULL)
765 warn_cert(uri, *pcert, 0, vpm);
766 if (pcerts != NULL)
767 warn_certs(uri, *pcerts, 1, vpm);
768 } else {
769 if (pcerts != NULL) {
770 OSSL_STACK_OF_X509_free(*pcerts);
771 *pcerts = NULL;
772 }
773 }
774 return ret;
775 }
776
STACK_OF(X509)777 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
778 const char *desc, X509_VERIFY_PARAM *vpm)
779 {
780 STACK_OF(X509) *certs = NULL;
781 STACK_OF(X509) *result = sk_X509_new_null();
782
783 if (files == NULL)
784 goto err;
785 if (result == NULL)
786 goto oom;
787
788 while (files != NULL) {
789 char *next = next_item(files);
790
791 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
792 goto err;
793 if (!X509_add_certs(result, certs,
794 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
795 goto oom;
796 OSSL_STACK_OF_X509_free(certs);
797 certs = NULL;
798 files = next;
799 }
800 return result;
801
802 oom:
803 BIO_printf(bio_err, "out of memory\n");
804 err:
805 OSSL_STACK_OF_X509_free(certs);
806 OSSL_STACK_OF_X509_free(result);
807 return NULL;
808 }
809
sk_X509_to_store(X509_STORE * store,const STACK_OF (X509)* certs)810 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
811 const STACK_OF(X509) *certs /* may NULL */)
812 {
813 int i;
814
815 if (store == NULL)
816 store = X509_STORE_new();
817 if (store == NULL)
818 return NULL;
819 for (i = 0; i < sk_X509_num(certs); i++) {
820 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
821 X509_STORE_free(store);
822 return NULL;
823 }
824 }
825 return store;
826 }
827
828 /*
829 * Create cert store structure with certificates read from given file(s).
830 * Returns pointer to created X509_STORE on success, NULL on error.
831 */
load_certstore(char * input,const char * pass,const char * desc,X509_VERIFY_PARAM * vpm)832 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
833 X509_VERIFY_PARAM *vpm)
834 {
835 X509_STORE *store = NULL;
836 STACK_OF(X509) *certs = NULL;
837
838 while (input != NULL) {
839 char *next = next_item(input);
840 int ok;
841
842 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
843 X509_STORE_free(store);
844 return NULL;
845 }
846 ok = (store = sk_X509_to_store(store, certs)) != NULL;
847 OSSL_STACK_OF_X509_free(certs);
848 certs = NULL;
849 if (!ok)
850 return NULL;
851 input = next;
852 }
853 return store;
854 }
855
856 /*
857 * Initialize or extend, if *certs != NULL, a certificate stack.
858 * The caller is responsible for freeing *certs if its value is left not NULL.
859 */
load_certs(const char * uri,int maybe_stdin,STACK_OF (X509)** certs,const char * pass,const char * desc)860 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
861 const char *pass, const char *desc)
862 {
863 int ret, was_NULL = *certs == NULL;
864
865 if (desc == NULL)
866 desc = "certificates";
867 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0,
868 NULL, NULL, NULL, NULL, certs, NULL, NULL);
869
870 if (!ret && was_NULL) {
871 OSSL_STACK_OF_X509_free(*certs);
872 *certs = NULL;
873 }
874 return ret;
875 }
876
877 /*
878 * Initialize or extend, if *crls != NULL, a certificate stack.
879 * The caller is responsible for freeing *crls if its value is left not NULL.
880 */
load_crls(const char * uri,STACK_OF (X509_CRL)** crls,const char * pass,const char * desc)881 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
882 const char *pass, const char *desc)
883 {
884 int ret, was_NULL = *crls == NULL;
885
886 if (desc == NULL)
887 desc = "CRLs";
888 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0,
889 NULL, NULL, NULL, NULL, NULL, NULL, crls);
890
891 if (!ret && was_NULL) {
892 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
893 *crls = NULL;
894 }
895 return ret;
896 }
897
format2string(int format)898 static const char *format2string(int format)
899 {
900 switch (format) {
901 case FORMAT_PEM:
902 return "PEM";
903 case FORMAT_ASN1:
904 return "DER";
905 case FORMAT_PVK:
906 return "PVK";
907 case FORMAT_MSBLOB:
908 return "MSBLOB";
909 }
910 return NULL;
911 }
912
913 /* Set type expectation, but set to 0 if objects of multiple types expected. */
914 #define SET_EXPECT(val) \
915 (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0))
916 #define SET_EXPECT1(pvar, val) \
917 if ((pvar) != NULL) { \
918 *(pvar) = NULL; \
919 SET_EXPECT(val); \
920 }
921 /* Provide (error msg) text for some of the credential types to be loaded. */
922 #define FAIL_NAME \
923 (ppkey != NULL ? "private key" : ppubkey != NULL ? "public key" : \
924 pparams != NULL ? "key parameters" : \
925 pcert != NULL ? "certificate" : pcerts != NULL ? "certificates" : \
926 pcrl != NULL ? "CRL" : pcrls != NULL ? "CRLs" : NULL)
927 /*
928 * Load those types of credentials for which the result pointer is not NULL.
929 * Reads from stdin if 'uri' is NULL and 'maybe_stdin' is nonzero.
930 * 'format' parameter may be FORMAT_PEM, FORMAT_ASN1, or 0 for no hint.
931 * desc may contain more detail on the credential(s) to be loaded for error msg
932 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
933 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
934 * If pcerts is non-NULL then all available certificates are appended to *pcerts
935 * except any certificate assigned to *pcert.
936 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
937 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
938 * except any CRL assigned to *pcrl.
939 * In any case (also on error) the caller is responsible for freeing all members
940 * of *pcerts and *pcrls (as far as they are not NULL).
941 */
load_key_certs_crls(const char * uri,int format,int maybe_stdin,const char * pass,const char * desc,int quiet,EVP_PKEY ** ppkey,EVP_PKEY ** ppubkey,EVP_PKEY ** pparams,X509 ** pcert,STACK_OF (X509)** pcerts,X509_CRL ** pcrl,STACK_OF (X509_CRL)** pcrls)942 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
943 const char *pass, const char *desc, int quiet,
944 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
945 EVP_PKEY **pparams,
946 X509 **pcert, STACK_OF(X509) **pcerts,
947 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
948 {
949 PW_CB_DATA uidata;
950 OSSL_STORE_CTX *ctx = NULL;
951 OSSL_LIB_CTX *libctx = app_get0_libctx();
952 const char *propq = app_get0_propq();
953 int ncerts = 0, ncrls = 0, expect = -1;
954 const char *failed = FAIL_NAME;
955 const char *input_type;
956 OSSL_PARAM itp[2];
957 const OSSL_PARAM *params = NULL;
958
959 /* 'failed' describes type of credential to load for potential error msg */
960 if (failed == NULL) {
961 if (!quiet)
962 BIO_printf(bio_err, "Internal error: nothing was requested to load from %s\n",
963 uri != NULL ? uri : "<stdin>");
964 return 0;
965 }
966 /* suppress any extraneous errors left over from failed parse attempts */
967 ERR_set_mark();
968
969 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY);
970 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY);
971 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS);
972 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT);
973 /*
974 * Up to here, the follwing holds.
975 * If just one of the ppkey, ppubkey, pparams, and pcert function parameters
976 * is nonzero, expect > 0 indicates which type of credential is expected.
977 * If expect == 0, more than one of them is nonzero (multiple types expected).
978 */
979
980 if (pcerts != NULL) {
981 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
982 if (!quiet)
983 BIO_printf(bio_err, "Out of memory loading");
984 goto end;
985 }
986 /*
987 * Adapt the 'expect' variable:
988 * set to OSSL_STORE_INFO_CERT if no other type is expected so far,
989 * otherwise set to 0 (indicating that multiple types are expected).
990 */
991 SET_EXPECT(OSSL_STORE_INFO_CERT);
992 }
993 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL);
994 if (pcrls != NULL) {
995 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
996 if (!quiet)
997 BIO_printf(bio_err, "Out of memory loading");
998 goto end;
999 }
1000 /*
1001 * Adapt the 'expect' variable:
1002 * set to OSSL_STORE_INFO_CRL if no other type is expected so far,
1003 * otherwise set to 0 (indicating that multiple types are expected).
1004 */
1005 SET_EXPECT(OSSL_STORE_INFO_CRL);
1006 }
1007
1008 uidata.password = pass;
1009 uidata.prompt_info = uri;
1010
1011 if ((input_type = format2string(format)) != NULL) {
1012 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
1013 (char *)input_type, 0);
1014 itp[1] = OSSL_PARAM_construct_end();
1015 params = itp;
1016 }
1017
1018 if (uri == NULL) {
1019 BIO *bio;
1020
1021 if (!maybe_stdin) {
1022 if (!quiet)
1023 BIO_printf(bio_err, "No filename or uri specified for loading\n");
1024 goto end;
1025 }
1026 uri = "<stdin>";
1027 unbuffer(stdin);
1028 bio = BIO_new_fp(stdin, 0);
1029 if (bio != NULL) {
1030 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
1031 get_ui_method(), &uidata, params,
1032 NULL, NULL);
1033 BIO_free(bio);
1034 }
1035 } else {
1036 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
1037 params, NULL, NULL);
1038 }
1039 if (ctx == NULL) {
1040 if (!quiet)
1041 BIO_printf(bio_err, "Could not open file or uri for loading");
1042 goto end;
1043 }
1044 /* expect == 0 means here multiple types of credentials are to be loaded */
1045 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) {
1046 if (!quiet)
1047 BIO_printf(bio_err, "Internal error trying to load");
1048 goto end;
1049 }
1050
1051 failed = NULL;
1052 /* from here, failed != NULL only if actually an error has been detected */
1053
1054 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL
1055 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL)
1056 && !OSSL_STORE_eof(ctx)) {
1057 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
1058 int type, ok = 1;
1059
1060 /*
1061 * This can happen (for example) if we attempt to load a file with
1062 * multiple different types of things in it - but the thing we just
1063 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
1064 * to load a certificate but the file has both the private key and the
1065 * certificate in it. We just retry until eof.
1066 */
1067 if (info == NULL) {
1068 continue;
1069 }
1070
1071 type = OSSL_STORE_INFO_get_type(info);
1072 switch (type) {
1073 case OSSL_STORE_INFO_PKEY:
1074 if (ppkey != NULL) {
1075 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
1076 if (ok)
1077 ppkey = NULL;
1078 break;
1079 }
1080 /*
1081 * An EVP_PKEY with private parts also holds the public parts,
1082 * so if the caller asked for a public key, and we got a private
1083 * key, we can still pass it back.
1084 */
1085 /* fall through */
1086 case OSSL_STORE_INFO_PUBKEY:
1087 if (ppubkey != NULL) {
1088 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL;
1089 if (ok)
1090 ppubkey = NULL;
1091 }
1092 break;
1093 case OSSL_STORE_INFO_PARAMS:
1094 if (pparams != NULL) {
1095 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL;
1096 if (ok)
1097 pparams = NULL;
1098 }
1099 break;
1100 case OSSL_STORE_INFO_CERT:
1101 if (pcert != NULL) {
1102 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1103 if (ok)
1104 pcert = NULL;
1105 } else if (pcerts != NULL) {
1106 ok = X509_add_cert(*pcerts,
1107 OSSL_STORE_INFO_get1_CERT(info),
1108 X509_ADD_FLAG_DEFAULT);
1109 }
1110 ncerts += ok;
1111 break;
1112 case OSSL_STORE_INFO_CRL:
1113 if (pcrl != NULL) {
1114 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1115 if (ok)
1116 pcrl = NULL;
1117 } else if (pcrls != NULL) {
1118 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1119 }
1120 ncrls += ok;
1121 break;
1122 default:
1123 /* skip any other type; ok stays == 1 */
1124 break;
1125 }
1126 OSSL_STORE_INFO_free(info);
1127 if (!ok) {
1128 failed = OSSL_STORE_INFO_type_string(type);
1129 if (!quiet)
1130 BIO_printf(bio_err, "Error reading");
1131 break;
1132 }
1133 }
1134
1135 end:
1136 OSSL_STORE_close(ctx);
1137
1138 /* see if any of the requested types of credentials was not found */
1139 if (failed == NULL) {
1140 if (ncerts > 0)
1141 pcerts = NULL;
1142 if (ncrls > 0)
1143 pcrls = NULL;
1144 failed = FAIL_NAME;
1145 if (failed != NULL && !quiet)
1146 BIO_printf(bio_err, "Could not find");
1147 }
1148
1149 if (failed != NULL && !quiet) {
1150 unsigned long err = ERR_peek_last_error();
1151
1152 /* continue the error message with the type of credential affected */
1153 if (desc != NULL && strstr(desc, failed) != NULL) {
1154 BIO_printf(bio_err, " %s", desc);
1155 } else {
1156 BIO_printf(bio_err, " %s", failed);
1157 if (desc != NULL)
1158 BIO_printf(bio_err, " of %s", desc);
1159 }
1160 if (uri != NULL)
1161 BIO_printf(bio_err, " from %s", uri);
1162 if (ERR_SYSTEM_ERROR(err)) {
1163 /* provide more readable diagnostic output */
1164 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1165 ERR_pop_to_mark();
1166 ERR_set_mark();
1167 }
1168 BIO_printf(bio_err, "\n");
1169 ERR_print_errors(bio_err);
1170 }
1171 if (quiet || failed == NULL)
1172 /* clear any suppressed or spurious errors */
1173 ERR_pop_to_mark();
1174 else
1175 ERR_clear_last_mark();
1176 return failed == NULL;
1177 }
1178
1179 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1180 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */
1181 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */
1182 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */
1183 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */
1184
1185 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1186 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1187
set_cert_ex(unsigned long * flags,const char * arg)1188 int set_cert_ex(unsigned long *flags, const char *arg)
1189 {
1190 static const NAME_EX_TBL cert_tbl[] = {
1191 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1192 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1193 {"no_header", X509_FLAG_NO_HEADER, 0},
1194 {"no_version", X509_FLAG_NO_VERSION, 0},
1195 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1196 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1197 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1198 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1199 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1200 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1201 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1202 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1203 {"no_aux", X509_FLAG_NO_AUX, 0},
1204 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1205 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1206 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1207 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1208 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1209 {NULL, 0, 0}
1210 };
1211 return set_multi_opts(flags, arg, cert_tbl);
1212 }
1213
set_name_ex(unsigned long * flags,const char * arg)1214 int set_name_ex(unsigned long *flags, const char *arg)
1215 {
1216 static const NAME_EX_TBL ex_tbl[] = {
1217 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1218 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1219 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1220 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1221 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1222 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1223 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1224 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1225 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1226 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1227 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1228 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1229 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1230 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1231 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1232 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1233 {"dn_rev", XN_FLAG_DN_REV, 0},
1234 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1235 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1236 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1237 {"align", XN_FLAG_FN_ALIGN, 0},
1238 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1239 {"space_eq", XN_FLAG_SPC_EQ, 0},
1240 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1241 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1242 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1243 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1244 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1245 {NULL, 0, 0}
1246 };
1247 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1248 return 0;
1249 if (*flags != XN_FLAG_COMPAT
1250 && (*flags & XN_FLAG_SEP_MASK) == 0)
1251 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1252 return 1;
1253 }
1254
set_dateopt(unsigned long * dateopt,const char * arg)1255 int set_dateopt(unsigned long *dateopt, const char *arg)
1256 {
1257 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1258 *dateopt = ASN1_DTFLGS_RFC822;
1259 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1260 *dateopt = ASN1_DTFLGS_ISO8601;
1261 else
1262 return 0;
1263 return 1;
1264 }
1265
set_ext_copy(int * copy_type,const char * arg)1266 int set_ext_copy(int *copy_type, const char *arg)
1267 {
1268 if (OPENSSL_strcasecmp(arg, "none") == 0)
1269 *copy_type = EXT_COPY_NONE;
1270 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1271 *copy_type = EXT_COPY_ADD;
1272 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1273 *copy_type = EXT_COPY_ALL;
1274 else
1275 return 0;
1276 return 1;
1277 }
1278
copy_extensions(X509 * x,X509_REQ * req,int copy_type)1279 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1280 {
1281 STACK_OF(X509_EXTENSION) *exts;
1282 int i, ret = 0;
1283
1284 if (x == NULL || req == NULL)
1285 return 0;
1286 if (copy_type == EXT_COPY_NONE)
1287 return 1;
1288 exts = X509_REQ_get_extensions(req);
1289
1290 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1291 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1292 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1293 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1294
1295 /* Does extension exist in target? */
1296 if (idx != -1) {
1297 /* If normal copy don't override existing extension */
1298 if (copy_type == EXT_COPY_ADD)
1299 continue;
1300 /* Delete all extensions of same type */
1301 do {
1302 X509_EXTENSION_free(X509_delete_ext(x, idx));
1303 idx = X509_get_ext_by_OBJ(x, obj, -1);
1304 } while (idx != -1);
1305 }
1306 if (!X509_add_ext(x, ext, -1))
1307 goto end;
1308 }
1309 ret = 1;
1310
1311 end:
1312 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1313 return ret;
1314 }
1315
set_multi_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1316 static int set_multi_opts(unsigned long *flags, const char *arg,
1317 const NAME_EX_TBL *in_tbl)
1318 {
1319 STACK_OF(CONF_VALUE) *vals;
1320 CONF_VALUE *val;
1321 int i, ret = 1;
1322
1323 if (!arg)
1324 return 0;
1325 vals = X509V3_parse_list(arg);
1326 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1327 val = sk_CONF_VALUE_value(vals, i);
1328 if (!set_table_opts(flags, val->name, in_tbl))
1329 ret = 0;
1330 }
1331 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1332 return ret;
1333 }
1334
set_table_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1335 static int set_table_opts(unsigned long *flags, const char *arg,
1336 const NAME_EX_TBL *in_tbl)
1337 {
1338 char c;
1339 const NAME_EX_TBL *ptbl;
1340
1341 c = arg[0];
1342 if (c == '-') {
1343 c = 0;
1344 arg++;
1345 } else if (c == '+') {
1346 c = 1;
1347 arg++;
1348 } else {
1349 c = 1;
1350 }
1351
1352 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1353 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1354 *flags &= ~ptbl->mask;
1355 if (c)
1356 *flags |= ptbl->flag;
1357 else
1358 *flags &= ~ptbl->flag;
1359 return 1;
1360 }
1361 }
1362 return 0;
1363 }
1364
print_name(BIO * out,const char * title,const X509_NAME * nm)1365 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1366 {
1367 char *buf;
1368 char mline = 0;
1369 int indent = 0;
1370 unsigned long lflags = get_nameopt();
1371
1372 if (out == NULL)
1373 return;
1374 if (title != NULL)
1375 BIO_puts(out, title);
1376 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1377 mline = 1;
1378 indent = 4;
1379 }
1380 if (lflags == XN_FLAG_COMPAT) {
1381 buf = X509_NAME_oneline(nm, 0, 0);
1382 BIO_puts(out, buf);
1383 BIO_puts(out, "\n");
1384 OPENSSL_free(buf);
1385 } else {
1386 if (mline)
1387 BIO_puts(out, "\n");
1388 X509_NAME_print_ex(out, nm, indent, lflags);
1389 BIO_puts(out, "\n");
1390 }
1391 }
1392
print_bignum_var(BIO * out,const BIGNUM * in,const char * var,int len,unsigned char * buffer)1393 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1394 int len, unsigned char *buffer)
1395 {
1396 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1397 if (BN_is_zero(in)) {
1398 BIO_printf(out, "\n 0x00");
1399 } else {
1400 int i, l;
1401
1402 l = BN_bn2bin(in, buffer);
1403 for (i = 0; i < l; i++) {
1404 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1405 if (i < l - 1)
1406 BIO_printf(out, "0x%02X,", buffer[i]);
1407 else
1408 BIO_printf(out, "0x%02X", buffer[i]);
1409 }
1410 }
1411 BIO_printf(out, "\n };\n");
1412 }
1413
print_array(BIO * out,const char * title,int len,const unsigned char * d)1414 void print_array(BIO *out, const char *title, int len, const unsigned char *d)
1415 {
1416 int i;
1417
1418 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1419 for (i = 0; i < len; i++) {
1420 if ((i % 10) == 0)
1421 BIO_printf(out, "\n ");
1422 if (i < len - 1)
1423 BIO_printf(out, "0x%02X, ", d[i]);
1424 else
1425 BIO_printf(out, "0x%02X", d[i]);
1426 }
1427 BIO_printf(out, "\n};\n");
1428 }
1429
setup_verify(const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)1430 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1431 const char *CApath, int noCApath,
1432 const char *CAstore, int noCAstore)
1433 {
1434 X509_STORE *store = X509_STORE_new();
1435 X509_LOOKUP *lookup;
1436 OSSL_LIB_CTX *libctx = app_get0_libctx();
1437 const char *propq = app_get0_propq();
1438
1439 if (store == NULL)
1440 goto end;
1441
1442 if (CAfile != NULL || !noCAfile) {
1443 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1444 if (lookup == NULL)
1445 goto end;
1446 if (CAfile != NULL) {
1447 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1448 libctx, propq) <= 0) {
1449 ERR_clear_error();
1450 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1,
1451 libctx, propq) <= 0) {
1452 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1453 goto end;
1454 }
1455 }
1456 } else {
1457 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1458 libctx, propq);
1459 }
1460 }
1461
1462 if (CApath != NULL || !noCApath) {
1463 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1464 if (lookup == NULL)
1465 goto end;
1466 if (CApath != NULL) {
1467 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1468 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1469 goto end;
1470 }
1471 } else {
1472 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1473 }
1474 }
1475
1476 if (CAstore != NULL || !noCAstore) {
1477 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1478 if (lookup == NULL)
1479 goto end;
1480 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1481 if (CAstore != NULL)
1482 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1483 goto end;
1484 }
1485 }
1486
1487 ERR_clear_error();
1488 return store;
1489 end:
1490 ERR_print_errors(bio_err);
1491 X509_STORE_free(store);
1492 return NULL;
1493 }
1494
index_serial_hash(const OPENSSL_CSTRING * a)1495 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1496 {
1497 const char *n;
1498
1499 n = a[DB_serial];
1500 while (*n == '0')
1501 n++;
1502 return OPENSSL_LH_strhash(n);
1503 }
1504
index_serial_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1505 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1506 const OPENSSL_CSTRING *b)
1507 {
1508 const char *aa, *bb;
1509
1510 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1511 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1512 return strcmp(aa, bb);
1513 }
1514
index_name_qual(char ** a)1515 static int index_name_qual(char **a)
1516 {
1517 return (a[0][0] == 'V');
1518 }
1519
index_name_hash(const OPENSSL_CSTRING * a)1520 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1521 {
1522 return OPENSSL_LH_strhash(a[DB_name]);
1523 }
1524
index_name_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1525 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1526 {
1527 return strcmp(a[DB_name], b[DB_name]);
1528 }
1529
IMPLEMENT_LHASH_HASH_FN(index_serial,OPENSSL_CSTRING)1530 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1531 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1532 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1533 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1534 #undef BSIZE
1535 #define BSIZE 256
1536 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1537 ASN1_INTEGER **retai)
1538 {
1539 BIO *in = NULL;
1540 BIGNUM *ret = NULL;
1541 char buf[1024];
1542 ASN1_INTEGER *ai = NULL;
1543
1544 ai = ASN1_INTEGER_new();
1545 if (ai == NULL)
1546 goto err;
1547
1548 in = BIO_new_file(serialfile, "r");
1549 if (exists != NULL)
1550 *exists = in != NULL;
1551 if (in == NULL) {
1552 if (!create) {
1553 perror(serialfile);
1554 goto err;
1555 }
1556 ERR_clear_error();
1557 ret = BN_new();
1558 if (ret == NULL) {
1559 BIO_printf(bio_err, "Out of memory\n");
1560 } else if (!rand_serial(ret, ai)) {
1561 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1562 serialfile);
1563 BN_free(ret);
1564 ret = NULL;
1565 }
1566 } else {
1567 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1568 BIO_printf(bio_err, "Unable to load number from %s\n",
1569 serialfile);
1570 goto err;
1571 }
1572 ret = ASN1_INTEGER_to_BN(ai, NULL);
1573 if (ret == NULL) {
1574 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1575 goto err;
1576 }
1577 }
1578
1579 if (ret != NULL && retai != NULL) {
1580 *retai = ai;
1581 ai = NULL;
1582 }
1583 err:
1584 if (ret == NULL)
1585 ERR_print_errors(bio_err);
1586 BIO_free(in);
1587 ASN1_INTEGER_free(ai);
1588 return ret;
1589 }
1590
save_serial(const char * serialfile,const char * suffix,const BIGNUM * serial,ASN1_INTEGER ** retai)1591 int save_serial(const char *serialfile, const char *suffix,
1592 const BIGNUM *serial, ASN1_INTEGER **retai)
1593 {
1594 char buf[1][BSIZE];
1595 BIO *out = NULL;
1596 int ret = 0;
1597 ASN1_INTEGER *ai = NULL;
1598 int j;
1599
1600 if (suffix == NULL)
1601 j = strlen(serialfile);
1602 else
1603 j = strlen(serialfile) + strlen(suffix) + 1;
1604 if (j >= BSIZE) {
1605 BIO_printf(bio_err, "File name too long\n");
1606 goto err;
1607 }
1608
1609 if (suffix == NULL) {
1610 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1611 } else {
1612 #ifndef OPENSSL_SYS_VMS
1613 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1614 #else
1615 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1616 #endif
1617 }
1618 out = BIO_new_file(buf[0], "w");
1619 if (out == NULL) {
1620 goto err;
1621 }
1622
1623 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1624 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1625 goto err;
1626 }
1627 i2a_ASN1_INTEGER(out, ai);
1628 BIO_puts(out, "\n");
1629 ret = 1;
1630 if (retai) {
1631 *retai = ai;
1632 ai = NULL;
1633 }
1634 err:
1635 if (!ret)
1636 ERR_print_errors(bio_err);
1637 BIO_free_all(out);
1638 ASN1_INTEGER_free(ai);
1639 return ret;
1640 }
1641
rotate_serial(const char * serialfile,const char * new_suffix,const char * old_suffix)1642 int rotate_serial(const char *serialfile, const char *new_suffix,
1643 const char *old_suffix)
1644 {
1645 char buf[2][BSIZE];
1646 int i, j;
1647
1648 i = strlen(serialfile) + strlen(old_suffix);
1649 j = strlen(serialfile) + strlen(new_suffix);
1650 if (i > j)
1651 j = i;
1652 if (j + 1 >= BSIZE) {
1653 BIO_printf(bio_err, "File name too long\n");
1654 goto err;
1655 }
1656 #ifndef OPENSSL_SYS_VMS
1657 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1658 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1659 #else
1660 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1661 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1662 #endif
1663 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1664 #ifdef ENOTDIR
1665 && errno != ENOTDIR
1666 #endif
1667 ) {
1668 BIO_printf(bio_err,
1669 "Unable to rename %s to %s\n", serialfile, buf[1]);
1670 perror("reason");
1671 goto err;
1672 }
1673 if (rename(buf[0], serialfile) < 0) {
1674 BIO_printf(bio_err,
1675 "Unable to rename %s to %s\n", buf[0], serialfile);
1676 perror("reason");
1677 rename(buf[1], serialfile);
1678 goto err;
1679 }
1680 return 1;
1681 err:
1682 ERR_print_errors(bio_err);
1683 return 0;
1684 }
1685
rand_serial(BIGNUM * b,ASN1_INTEGER * ai)1686 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1687 {
1688 BIGNUM *btmp;
1689 int ret = 0;
1690
1691 btmp = b == NULL ? BN_new() : b;
1692 if (btmp == NULL)
1693 return 0;
1694
1695 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1696 goto error;
1697 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1698 goto error;
1699
1700 ret = 1;
1701
1702 error:
1703
1704 if (btmp != b)
1705 BN_free(btmp);
1706
1707 return ret;
1708 }
1709
load_index(const char * dbfile,DB_ATTR * db_attr)1710 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1711 {
1712 CA_DB *retdb = NULL;
1713 TXT_DB *tmpdb = NULL;
1714 BIO *in;
1715 CONF *dbattr_conf = NULL;
1716 char buf[BSIZE];
1717 #ifndef OPENSSL_NO_POSIX_IO
1718 FILE *dbfp;
1719 struct stat dbst;
1720 #endif
1721
1722 in = BIO_new_file(dbfile, "r");
1723 if (in == NULL)
1724 goto err;
1725
1726 #ifndef OPENSSL_NO_POSIX_IO
1727 BIO_get_fp(in, &dbfp);
1728 if (fstat(fileno(dbfp), &dbst) == -1) {
1729 ERR_raise_data(ERR_LIB_SYS, errno,
1730 "calling fstat(%s)", dbfile);
1731 goto err;
1732 }
1733 #endif
1734
1735 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1736 goto err;
1737
1738 #ifndef OPENSSL_SYS_VMS
1739 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1740 #else
1741 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1742 #endif
1743 dbattr_conf = app_load_config_quiet(buf);
1744
1745 retdb = app_malloc(sizeof(*retdb), "new DB");
1746 retdb->db = tmpdb;
1747 tmpdb = NULL;
1748 if (db_attr)
1749 retdb->attributes = *db_attr;
1750 else
1751 retdb->attributes.unique_subject = 1;
1752
1753 if (dbattr_conf != NULL) {
1754 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject");
1755
1756 if (p != NULL)
1757 retdb->attributes.unique_subject = parse_yesno(p, 1);
1758 }
1759
1760 retdb->dbfname = OPENSSL_strdup(dbfile);
1761 if (retdb->dbfname == NULL)
1762 goto err;
1763
1764 #ifndef OPENSSL_NO_POSIX_IO
1765 retdb->dbst = dbst;
1766 #endif
1767
1768 err:
1769 ERR_print_errors(bio_err);
1770 NCONF_free(dbattr_conf);
1771 TXT_DB_free(tmpdb);
1772 BIO_free_all(in);
1773 return retdb;
1774 }
1775
1776 /*
1777 * Returns > 0 on success, <= 0 on error
1778 */
index_index(CA_DB * db)1779 int index_index(CA_DB *db)
1780 {
1781 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1782 LHASH_HASH_FN(index_serial),
1783 LHASH_COMP_FN(index_serial))) {
1784 BIO_printf(bio_err,
1785 "Error creating serial number index:(%ld,%ld,%ld)\n",
1786 db->db->error, db->db->arg1, db->db->arg2);
1787 goto err;
1788 }
1789
1790 if (db->attributes.unique_subject
1791 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1792 LHASH_HASH_FN(index_name),
1793 LHASH_COMP_FN(index_name))) {
1794 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1795 db->db->error, db->db->arg1, db->db->arg2);
1796 goto err;
1797 }
1798 return 1;
1799 err:
1800 ERR_print_errors(bio_err);
1801 return 0;
1802 }
1803
save_index(const char * dbfile,const char * suffix,CA_DB * db)1804 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1805 {
1806 char buf[3][BSIZE];
1807 BIO *out;
1808 int j;
1809
1810 j = strlen(dbfile) + strlen(suffix);
1811 if (j + 6 >= BSIZE) {
1812 BIO_printf(bio_err, "File name too long\n");
1813 goto err;
1814 }
1815 #ifndef OPENSSL_SYS_VMS
1816 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1817 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1818 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1819 #else
1820 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1821 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1822 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1823 #endif
1824 out = BIO_new_file(buf[0], "w");
1825 if (out == NULL) {
1826 perror(dbfile);
1827 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1828 goto err;
1829 }
1830 j = TXT_DB_write(out, db->db);
1831 BIO_free(out);
1832 if (j <= 0)
1833 goto err;
1834
1835 out = BIO_new_file(buf[1], "w");
1836 if (out == NULL) {
1837 perror(buf[2]);
1838 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1839 goto err;
1840 }
1841 BIO_printf(out, "unique_subject = %s\n",
1842 db->attributes.unique_subject ? "yes" : "no");
1843 BIO_free(out);
1844
1845 return 1;
1846 err:
1847 ERR_print_errors(bio_err);
1848 return 0;
1849 }
1850
rotate_index(const char * dbfile,const char * new_suffix,const char * old_suffix)1851 int rotate_index(const char *dbfile, const char *new_suffix,
1852 const char *old_suffix)
1853 {
1854 char buf[5][BSIZE];
1855 int i, j;
1856
1857 i = strlen(dbfile) + strlen(old_suffix);
1858 j = strlen(dbfile) + strlen(new_suffix);
1859 if (i > j)
1860 j = i;
1861 if (j + 6 >= BSIZE) {
1862 BIO_printf(bio_err, "File name too long\n");
1863 goto err;
1864 }
1865 #ifndef OPENSSL_SYS_VMS
1866 BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1867 BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1868 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1869 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1870 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1871 #else
1872 BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1873 BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1874 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1875 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1876 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1877 #endif
1878 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1879 #ifdef ENOTDIR
1880 && errno != ENOTDIR
1881 #endif
1882 ) {
1883 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1884 perror("reason");
1885 goto err;
1886 }
1887 if (rename(buf[0], dbfile) < 0) {
1888 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1889 perror("reason");
1890 rename(buf[1], dbfile);
1891 goto err;
1892 }
1893 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1894 #ifdef ENOTDIR
1895 && errno != ENOTDIR
1896 #endif
1897 ) {
1898 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1899 perror("reason");
1900 rename(dbfile, buf[0]);
1901 rename(buf[1], dbfile);
1902 goto err;
1903 }
1904 if (rename(buf[2], buf[4]) < 0) {
1905 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1906 perror("reason");
1907 rename(buf[3], buf[4]);
1908 rename(dbfile, buf[0]);
1909 rename(buf[1], dbfile);
1910 goto err;
1911 }
1912 return 1;
1913 err:
1914 ERR_print_errors(bio_err);
1915 return 0;
1916 }
1917
free_index(CA_DB * db)1918 void free_index(CA_DB *db)
1919 {
1920 if (db) {
1921 TXT_DB_free(db->db);
1922 OPENSSL_free(db->dbfname);
1923 OPENSSL_free(db);
1924 }
1925 }
1926
parse_yesno(const char * str,int def)1927 int parse_yesno(const char *str, int def)
1928 {
1929 if (str) {
1930 switch (*str) {
1931 case 'f': /* false */
1932 case 'F': /* FALSE */
1933 case 'n': /* no */
1934 case 'N': /* NO */
1935 case '0': /* 0 */
1936 return 0;
1937 case 't': /* true */
1938 case 'T': /* TRUE */
1939 case 'y': /* yes */
1940 case 'Y': /* YES */
1941 case '1': /* 1 */
1942 return 1;
1943 }
1944 }
1945 return def;
1946 }
1947
1948 /*
1949 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1950 * where + can be used instead of / to form multi-valued RDNs if canmulti
1951 * and characters may be escaped by \
1952 */
parse_name(const char * cp,int chtype,int canmulti,const char * desc)1953 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1954 const char *desc)
1955 {
1956 int nextismulti = 0;
1957 char *work;
1958 X509_NAME *n;
1959
1960 if (*cp++ != '/') {
1961 BIO_printf(bio_err,
1962 "%s: %s name is expected to be in the format "
1963 "/type0=value0/type1=value1/type2=... where characters may "
1964 "be escaped by \\. This name is not in that format: '%s'\n",
1965 opt_getprog(), desc, --cp);
1966 return NULL;
1967 }
1968
1969 n = X509_NAME_new();
1970 if (n == NULL) {
1971 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1972 return NULL;
1973 }
1974 work = OPENSSL_strdup(cp);
1975 if (work == NULL) {
1976 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1977 opt_getprog(), desc);
1978 goto err;
1979 }
1980
1981 while (*cp != '\0') {
1982 char *bp = work;
1983 char *typestr = bp;
1984 unsigned char *valstr;
1985 int nid;
1986 int ismulti = nextismulti;
1987
1988 nextismulti = 0;
1989
1990 /* Collect the type */
1991 while (*cp != '\0' && *cp != '=')
1992 *bp++ = *cp++;
1993 *bp++ = '\0';
1994 if (*cp == '\0') {
1995 BIO_printf(bio_err,
1996 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1997 opt_getprog(), typestr, desc);
1998 goto err;
1999 }
2000 ++cp;
2001
2002 /* Collect the value. */
2003 valstr = (unsigned char *)bp;
2004 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
2005 /* unescaped '+' symbol string signals further member of multiRDN */
2006 if (canmulti && *cp == '+') {
2007 nextismulti = 1;
2008 break;
2009 }
2010 if (*cp == '\\' && *++cp == '\0') {
2011 BIO_printf(bio_err,
2012 "%s: Escape character at end of %s name string\n",
2013 opt_getprog(), desc);
2014 goto err;
2015 }
2016 }
2017 *bp++ = '\0';
2018
2019 /* If not at EOS (must be + or /), move forward. */
2020 if (*cp != '\0')
2021 ++cp;
2022
2023 /* Parse */
2024 nid = OBJ_txt2nid(typestr);
2025 if (nid == NID_undef) {
2026 BIO_printf(bio_err,
2027 "%s warning: Skipping unknown %s name attribute \"%s\"\n",
2028 opt_getprog(), desc, typestr);
2029 if (ismulti)
2030 BIO_printf(bio_err,
2031 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n",
2032 opt_getprog());
2033 continue;
2034 }
2035 if (*valstr == '\0') {
2036 BIO_printf(bio_err,
2037 "%s warning: No value provided for %s name attribute \"%s\", skipped\n",
2038 opt_getprog(), desc, typestr);
2039 continue;
2040 }
2041 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
2042 valstr, strlen((char *)valstr),
2043 -1, ismulti ? -1 : 0)) {
2044 ERR_print_errors(bio_err);
2045 BIO_printf(bio_err,
2046 "%s: Error adding %s name attribute \"/%s=%s\"\n",
2047 opt_getprog(), desc, typestr, valstr);
2048 goto err;
2049 }
2050 }
2051
2052 OPENSSL_free(work);
2053 return n;
2054
2055 err:
2056 X509_NAME_free(n);
2057 OPENSSL_free(work);
2058 return NULL;
2059 }
2060
2061 /*
2062 * Read whole contents of a BIO into an allocated memory buffer and return
2063 * it.
2064 */
2065
bio_to_mem(unsigned char ** out,int maxlen,BIO * in)2066 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2067 {
2068 BIO *mem;
2069 int len, ret;
2070 unsigned char tbuf[1024];
2071
2072 mem = BIO_new(BIO_s_mem());
2073 if (mem == NULL)
2074 return -1;
2075 for (;;) {
2076 if ((maxlen != -1) && maxlen < 1024)
2077 len = maxlen;
2078 else
2079 len = 1024;
2080 len = BIO_read(in, tbuf, len);
2081 if (len < 0) {
2082 BIO_free(mem);
2083 return -1;
2084 }
2085 if (len == 0)
2086 break;
2087 if (BIO_write(mem, tbuf, len) != len) {
2088 BIO_free(mem);
2089 return -1;
2090 }
2091 if (maxlen != -1)
2092 maxlen -= len;
2093
2094 if (maxlen == 0)
2095 break;
2096 }
2097 ret = BIO_get_mem_data(mem, (char **)out);
2098 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2099 BIO_free(mem);
2100 return ret;
2101 }
2102
pkey_ctrl_string(EVP_PKEY_CTX * ctx,const char * value)2103 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2104 {
2105 int rv = 0;
2106 char *stmp, *vtmp = NULL;
2107
2108 stmp = OPENSSL_strdup(value);
2109 if (stmp == NULL)
2110 return -1;
2111 vtmp = strchr(stmp, ':');
2112 if (vtmp == NULL)
2113 goto err;
2114
2115 *vtmp = 0;
2116 vtmp++;
2117 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2118
2119 err:
2120 OPENSSL_free(stmp);
2121 return rv;
2122 }
2123
nodes_print(const char * name,STACK_OF (X509_POLICY_NODE)* nodes)2124 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2125 {
2126 X509_POLICY_NODE *node;
2127 int i;
2128
2129 BIO_printf(bio_err, "%s Policies:", name);
2130 if (nodes) {
2131 BIO_puts(bio_err, "\n");
2132 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2133 node = sk_X509_POLICY_NODE_value(nodes, i);
2134 X509_POLICY_NODE_print(bio_err, node, 2);
2135 }
2136 } else {
2137 BIO_puts(bio_err, " <empty>\n");
2138 }
2139 }
2140
policies_print(X509_STORE_CTX * ctx)2141 void policies_print(X509_STORE_CTX *ctx)
2142 {
2143 X509_POLICY_TREE *tree;
2144 int explicit_policy;
2145
2146 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2147 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2148
2149 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2150 explicit_policy ? "True" : "False");
2151
2152 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2153 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2154 }
2155
2156 /*-
2157 * next_protos_parse parses a comma separated list of strings into a string
2158 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2159 * outlen: (output) set to the length of the resulting buffer on success.
2160 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2161 * in: a NUL terminated string like "abc,def,ghi"
2162 *
2163 * returns: a malloc'd buffer or NULL on failure.
2164 */
next_protos_parse(size_t * outlen,const char * in)2165 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2166 {
2167 size_t len;
2168 unsigned char *out;
2169 size_t i, start = 0;
2170 size_t skipped = 0;
2171
2172 len = strlen(in);
2173 if (len == 0 || len >= 65535)
2174 return NULL;
2175
2176 out = app_malloc(len + 1, "NPN buffer");
2177 for (i = 0; i <= len; ++i) {
2178 if (i == len || in[i] == ',') {
2179 /*
2180 * Zero-length ALPN elements are invalid on the wire, we could be
2181 * strict and reject the entire string, but just ignoring extra
2182 * commas seems harmless and more friendly.
2183 *
2184 * Every comma we skip in this way puts the input buffer another
2185 * byte ahead of the output buffer, so all stores into the output
2186 * buffer need to be decremented by the number commas skipped.
2187 */
2188 if (i == start) {
2189 ++start;
2190 ++skipped;
2191 continue;
2192 }
2193 if (i - start > 255) {
2194 OPENSSL_free(out);
2195 return NULL;
2196 }
2197 out[start - skipped] = (unsigned char)(i - start);
2198 start = i + 1;
2199 } else {
2200 out[i + 1 - skipped] = in[i];
2201 }
2202 }
2203
2204 if (len <= skipped) {
2205 OPENSSL_free(out);
2206 return NULL;
2207 }
2208
2209 *outlen = len + 1 - skipped;
2210 return out;
2211 }
2212
check_cert_attributes(BIO * bio,X509 * x,const char * checkhost,const char * checkemail,const char * checkip,int print)2213 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost,
2214 const char *checkemail, const char *checkip,
2215 int print)
2216 {
2217 int valid_host = 0;
2218 int valid_mail = 0;
2219 int valid_ip = 0;
2220 int ret = 1;
2221
2222 if (x == NULL)
2223 return 0;
2224
2225 if (checkhost != NULL) {
2226 valid_host = X509_check_host(x, checkhost, 0, 0, NULL);
2227 if (print)
2228 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2229 checkhost, valid_host == 1 ? "" : " NOT");
2230 ret = ret && valid_host > 0;
2231 }
2232
2233 if (checkemail != NULL) {
2234 valid_mail = X509_check_email(x, checkemail, 0, 0);
2235 if (print)
2236 BIO_printf(bio, "Email %s does%s match certificate\n",
2237 checkemail, valid_mail ? "" : " NOT");
2238 ret = ret && valid_mail > 0;
2239 }
2240
2241 if (checkip != NULL) {
2242 valid_ip = X509_check_ip_asc(x, checkip, 0);
2243 if (print)
2244 BIO_printf(bio, "IP %s does%s match certificate\n",
2245 checkip, valid_ip ? "" : " NOT");
2246 ret = ret && valid_ip > 0;
2247 }
2248
2249 return ret;
2250 }
2251
do_pkey_ctx_init(EVP_PKEY_CTX * pkctx,STACK_OF (OPENSSL_STRING)* opts)2252 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2253 {
2254 int i;
2255
2256 if (opts == NULL)
2257 return 1;
2258
2259 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2260 char *opt = sk_OPENSSL_STRING_value(opts, i);
2261
2262 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2263 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2264 ERR_print_errors(bio_err);
2265 return 0;
2266 }
2267 }
2268
2269 return 1;
2270 }
2271
do_x509_init(X509 * x,STACK_OF (OPENSSL_STRING)* opts)2272 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2273 {
2274 int i;
2275
2276 if (opts == NULL)
2277 return 1;
2278
2279 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2280 char *opt = sk_OPENSSL_STRING_value(opts, i);
2281
2282 if (x509_ctrl_string(x, opt) <= 0) {
2283 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2284 ERR_print_errors(bio_err);
2285 return 0;
2286 }
2287 }
2288
2289 return 1;
2290 }
2291
do_x509_req_init(X509_REQ * x,STACK_OF (OPENSSL_STRING)* opts)2292 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2293 {
2294 int i;
2295
2296 if (opts == NULL)
2297 return 1;
2298
2299 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2300 char *opt = sk_OPENSSL_STRING_value(opts, i);
2301
2302 if (x509_req_ctrl_string(x, opt) <= 0) {
2303 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2304 ERR_print_errors(bio_err);
2305 return 0;
2306 }
2307 }
2308
2309 return 1;
2310 }
2311
do_sign_init(EVP_MD_CTX * ctx,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2312 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2313 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2314 {
2315 EVP_PKEY_CTX *pkctx = NULL;
2316 char def_md[80];
2317
2318 if (ctx == NULL)
2319 return 0;
2320 /*
2321 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2322 * for this algorithm.
2323 */
2324 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2325 && strcmp(def_md, "UNDEF") == 0) {
2326 /* The signing algorithm requires there to be no digest */
2327 md = NULL;
2328 }
2329
2330 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2331 app_get0_propq(), pkey, NULL)
2332 && do_pkey_ctx_init(pkctx, sigopts);
2333 }
2334
adapt_keyid_ext(X509 * cert,X509V3_CTX * ext_ctx,const char * name,const char * value,int add_default)2335 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2336 const char *name, const char *value, int add_default)
2337 {
2338 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2339 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2340 int idx, rv = 0;
2341
2342 if (new_ext == NULL)
2343 return rv;
2344
2345 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2346 if (idx >= 0) {
2347 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2348 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext);
2349 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */
2350
2351 if (disabled) {
2352 X509_delete_ext(cert, idx);
2353 X509_EXTENSION_free(found_ext);
2354 } /* else keep existing key identifier, which might be outdated */
2355 rv = 1;
2356 } else {
2357 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2358 }
2359 X509_EXTENSION_free(new_ext);
2360 return rv;
2361 }
2362
cert_matches_key(const X509 * cert,const EVP_PKEY * pkey)2363 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey)
2364 {
2365 int match;
2366
2367 ERR_set_mark();
2368 match = X509_check_private_key(cert, pkey);
2369 ERR_pop_to_mark();
2370 return match;
2371 }
2372
2373 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
do_X509_sign(X509 * cert,int force_v1,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts,X509V3_CTX * ext_ctx)2374 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md,
2375 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2376 {
2377 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2378 int self_sign;
2379 int rv = 0;
2380
2381 if (!force_v1) {
2382 if (!X509_set_version(cert, X509_VERSION_3))
2383 goto end;
2384
2385 /*
2386 * Add default SKID before AKID such that AKID can make use of it
2387 * in case the certificate is self-signed
2388 */
2389 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2390 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2391 goto end;
2392 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2393 self_sign = cert_matches_key(cert, pkey);
2394 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2395 "keyid, issuer", !self_sign))
2396 goto end;
2397 }
2398 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */
2399
2400 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2401 rv = (X509_sign_ctx(cert, mctx) > 0);
2402 end:
2403 EVP_MD_CTX_free(mctx);
2404 return rv;
2405 }
2406
2407 /* Sign the certificate request info */
do_X509_REQ_sign(X509_REQ * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2408 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2409 STACK_OF(OPENSSL_STRING) *sigopts)
2410 {
2411 int rv = 0;
2412 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2413
2414 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2415 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2416 EVP_MD_CTX_free(mctx);
2417 return rv;
2418 }
2419
2420 /* Sign the CRL info */
do_X509_CRL_sign(X509_CRL * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2421 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2422 STACK_OF(OPENSSL_STRING) *sigopts)
2423 {
2424 int rv = 0;
2425 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2426
2427 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2428 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2429 EVP_MD_CTX_free(mctx);
2430 return rv;
2431 }
2432
2433 /*
2434 * do_X509_verify returns 1 if the signature is valid,
2435 * 0 if the signature check fails, or -1 if error occurs.
2436 */
do_X509_verify(X509 * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2437 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2438 {
2439 int rv = 0;
2440
2441 if (do_x509_init(x, vfyopts) > 0)
2442 rv = X509_verify(x, pkey);
2443 else
2444 rv = -1;
2445 return rv;
2446 }
2447
2448 /*
2449 * do_X509_REQ_verify returns 1 if the signature is valid,
2450 * 0 if the signature check fails, or -1 if error occurs.
2451 */
do_X509_REQ_verify(X509_REQ * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2452 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2453 STACK_OF(OPENSSL_STRING) *vfyopts)
2454 {
2455 int rv = 0;
2456
2457 if (do_x509_req_init(x, vfyopts) > 0)
2458 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq());
2459 else
2460 rv = -1;
2461 return rv;
2462 }
2463
2464 /* Get first http URL from a DIST_POINT structure */
2465
get_dp_url(DIST_POINT * dp)2466 static const char *get_dp_url(DIST_POINT *dp)
2467 {
2468 GENERAL_NAMES *gens;
2469 GENERAL_NAME *gen;
2470 int i, gtype;
2471 ASN1_STRING *uri;
2472
2473 if (!dp->distpoint || dp->distpoint->type != 0)
2474 return NULL;
2475 gens = dp->distpoint->name.fullname;
2476 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2477 gen = sk_GENERAL_NAME_value(gens, i);
2478 uri = GENERAL_NAME_get0_value(gen, >ype);
2479 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2480 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2481
2482 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2483 return uptr;
2484 }
2485 }
2486 return NULL;
2487 }
2488
2489 /*
2490 * Look through a CRLDP structure and attempt to find an http URL to
2491 * downloads a CRL from.
2492 */
2493
load_crl_crldp(STACK_OF (DIST_POINT)* crldp)2494 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2495 {
2496 int i;
2497 const char *urlptr = NULL;
2498
2499 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2500 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2501
2502 urlptr = get_dp_url(dp);
2503 if (urlptr != NULL)
2504 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2505 }
2506 return NULL;
2507 }
2508
2509 /*
2510 * Example of downloading CRLs from CRLDP:
2511 * not usable for real world as it always downloads and doesn't cache anything.
2512 */
2513
STACK_OF(X509_CRL)2514 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2515 const X509_NAME *nm)
2516 {
2517 X509 *x;
2518 STACK_OF(X509_CRL) *crls = NULL;
2519 X509_CRL *crl;
2520 STACK_OF(DIST_POINT) *crldp;
2521
2522 crls = sk_X509_CRL_new_null();
2523 if (!crls)
2524 return NULL;
2525 x = X509_STORE_CTX_get_current_cert(ctx);
2526 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2527 crl = load_crl_crldp(crldp);
2528 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2529
2530 if (crl == NULL || !sk_X509_CRL_push(crls, crl))
2531 goto error;
2532
2533 /* Try to download delta CRL */
2534 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2535 crl = load_crl_crldp(crldp);
2536 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2537
2538 if (crl != NULL && !sk_X509_CRL_push(crls, crl))
2539 goto error;
2540
2541 return crls;
2542
2543 error:
2544 X509_CRL_free(crl);
2545 sk_X509_CRL_free(crls);
2546 return NULL;
2547 }
2548
store_setup_crl_download(X509_STORE * st)2549 void store_setup_crl_download(X509_STORE *st)
2550 {
2551 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2552 }
2553
2554 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
tls_error_hint(void)2555 static const char *tls_error_hint(void)
2556 {
2557 unsigned long err = ERR_peek_error();
2558
2559 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2560 err = ERR_peek_last_error();
2561 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2562 return NULL; /* likely no TLS error */
2563
2564 switch (ERR_GET_REASON(err)) {
2565 case SSL_R_WRONG_VERSION_NUMBER:
2566 return "The server does not support (a suitable version of) TLS";
2567 case SSL_R_UNKNOWN_PROTOCOL:
2568 return "The server does not support HTTPS";
2569 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2570 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2571 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2572 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2573 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2574 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2575 default:
2576 return NULL; /* no hint available for TLS error */
2577 }
2578 }
2579
http_tls_shutdown(BIO * bio)2580 static BIO *http_tls_shutdown(BIO *bio)
2581 {
2582 if (bio != NULL) {
2583 BIO *cbio;
2584 const char *hint = tls_error_hint();
2585
2586 if (hint != NULL)
2587 BIO_printf(bio_err, "%s\n", hint);
2588 (void)ERR_set_mark();
2589 BIO_ssl_shutdown(bio);
2590 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2591 BIO_free(bio); /* SSL BIO */
2592 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2593 bio = cbio;
2594 }
2595 return bio;
2596 }
2597
2598 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
app_http_tls_cb(BIO * bio,void * arg,int connect,int detail)2599 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2600 {
2601 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2602 SSL_CTX *ssl_ctx = info->ssl_ctx;
2603
2604 if (ssl_ctx == NULL) /* not using TLS */
2605 return bio;
2606 if (connect) {
2607 SSL *ssl;
2608 BIO *sbio = NULL;
2609 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2610 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2611 const char *host = vpm == NULL ? NULL :
2612 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2613
2614 /* adapt after fixing callback design flaw, see #17088 */
2615 if ((info->use_proxy
2616 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2617 NULL, NULL, /* no proxy credentials */
2618 info->timeout, bio_err, opt_getprog()))
2619 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2620 return NULL;
2621 }
2622 if ((ssl = SSL_new(ssl_ctx)) == NULL) {
2623 BIO_free(sbio);
2624 return NULL;
2625 }
2626
2627 if (vpm != NULL)
2628 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2629
2630 SSL_set_connect_state(ssl);
2631 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2632
2633 bio = BIO_push(sbio, bio);
2634 } else { /* disconnect from TLS */
2635 bio = http_tls_shutdown(bio);
2636 }
2637 return bio;
2638 }
2639
APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO * info)2640 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2641 {
2642 if (info != NULL) {
2643 SSL_CTX_free(info->ssl_ctx);
2644 OPENSSL_free(info);
2645 }
2646 }
2647
app_http_get_asn1(const char * url,const char * proxy,const char * no_proxy,SSL_CTX * ssl_ctx,const STACK_OF (CONF_VALUE)* headers,long timeout,const char * expected_content_type,const ASN1_ITEM * it)2648 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2649 const char *no_proxy, SSL_CTX *ssl_ctx,
2650 const STACK_OF(CONF_VALUE) *headers,
2651 long timeout, const char *expected_content_type,
2652 const ASN1_ITEM *it)
2653 {
2654 APP_HTTP_TLS_INFO info;
2655 char *server;
2656 char *port;
2657 int use_ssl;
2658 BIO *mem;
2659 ASN1_VALUE *resp = NULL;
2660
2661 if (url == NULL || it == NULL) {
2662 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2663 return NULL;
2664 }
2665
2666 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2667 NULL /* port_num, */, NULL, NULL, NULL))
2668 return NULL;
2669 if (use_ssl && ssl_ctx == NULL) {
2670 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2671 "missing SSL_CTX");
2672 goto end;
2673 }
2674 if (!use_ssl && ssl_ctx != NULL) {
2675 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2676 "SSL_CTX given but use_ssl == 0");
2677 goto end;
2678 }
2679
2680 info.server = server;
2681 info.port = port;
2682 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2683 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2684 info.timeout = timeout;
2685 info.ssl_ctx = ssl_ctx;
2686 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2687 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2688 expected_content_type, 1 /* expect_asn1 */,
2689 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2690 resp = ASN1_item_d2i_bio(it, mem, NULL);
2691 BIO_free(mem);
2692
2693 end:
2694 OPENSSL_free(server);
2695 OPENSSL_free(port);
2696 return resp;
2697
2698 }
2699
app_http_post_asn1(const char * host,const char * port,const char * path,const char * proxy,const char * no_proxy,SSL_CTX * ssl_ctx,const STACK_OF (CONF_VALUE)* headers,const char * content_type,ASN1_VALUE * req,const ASN1_ITEM * req_it,const char * expected_content_type,long timeout,const ASN1_ITEM * rsp_it)2700 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2701 const char *path, const char *proxy,
2702 const char *no_proxy, SSL_CTX *ssl_ctx,
2703 const STACK_OF(CONF_VALUE) *headers,
2704 const char *content_type,
2705 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2706 const char *expected_content_type,
2707 long timeout, const ASN1_ITEM *rsp_it)
2708 {
2709 int use_ssl = ssl_ctx != NULL;
2710 APP_HTTP_TLS_INFO info;
2711 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2712 ASN1_VALUE *res;
2713
2714 if (req_mem == NULL)
2715 return NULL;
2716
2717 info.server = host;
2718 info.port = port;
2719 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2720 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2721 info.timeout = timeout;
2722 info.ssl_ctx = ssl_ctx;
2723 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2724 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2725 app_http_tls_cb, &info,
2726 0 /* buf_size */, headers, content_type, req_mem,
2727 expected_content_type, 1 /* expect_asn1 */,
2728 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2729 0 /* keep_alive */);
2730 BIO_free(req_mem);
2731 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2732 BIO_free(rsp);
2733 return res;
2734 }
2735
2736 #endif
2737
2738 /*
2739 * Platform-specific sections
2740 */
2741 #if defined(_WIN32)
2742 # ifdef fileno
2743 # undef fileno
2744 # define fileno(a) (int)_fileno(a)
2745 # endif
2746
2747 # include <windows.h>
2748 # include <tchar.h>
2749
WIN32_rename(const char * from,const char * to)2750 static int WIN32_rename(const char *from, const char *to)
2751 {
2752 TCHAR *tfrom = NULL, *tto;
2753 DWORD err;
2754 int ret = 0;
2755
2756 if (sizeof(TCHAR) == 1) {
2757 tfrom = (TCHAR *)from;
2758 tto = (TCHAR *)to;
2759 } else { /* UNICODE path */
2760 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2761
2762 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2763 if (tfrom == NULL)
2764 goto err;
2765 tto = tfrom + flen;
2766 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2767 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2768 # endif
2769 for (i = 0; i < flen; i++)
2770 tfrom[i] = (TCHAR)from[i];
2771 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2772 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2773 # endif
2774 for (i = 0; i < tlen; i++)
2775 tto[i] = (TCHAR)to[i];
2776 }
2777
2778 if (MoveFile(tfrom, tto))
2779 goto ok;
2780 err = GetLastError();
2781 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2782 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2783 goto ok;
2784 err = GetLastError();
2785 }
2786 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2787 errno = ENOENT;
2788 else if (err == ERROR_ACCESS_DENIED)
2789 errno = EACCES;
2790 else
2791 errno = EINVAL; /* we could map more codes... */
2792 err:
2793 ret = -1;
2794 ok:
2795 if (tfrom != NULL && tfrom != (TCHAR *)from)
2796 free(tfrom);
2797 return ret;
2798 }
2799 #endif
2800
2801 /* app_tminterval section */
2802 #if defined(_WIN32)
app_tminterval(int stop,int usertime)2803 double app_tminterval(int stop, int usertime)
2804 {
2805 FILETIME now;
2806 double ret = 0;
2807 static ULARGE_INTEGER tmstart;
2808 static int warning = 1;
2809 int use_GetSystemTime = 1;
2810 # ifdef _WIN32_WINNT
2811 static HANDLE proc = NULL;
2812
2813 if (proc == NULL) {
2814 if (check_winnt())
2815 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2816 GetCurrentProcessId());
2817 if (proc == NULL)
2818 proc = (HANDLE) - 1;
2819 }
2820
2821 if (usertime && proc != (HANDLE) - 1) {
2822 FILETIME junk;
2823
2824 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2825 use_GetSystemTime = 0;
2826 }
2827 # endif
2828 if (use_GetSystemTime) {
2829 SYSTEMTIME systime;
2830
2831 if (usertime && warning) {
2832 BIO_printf(bio_err, "To get meaningful results, run "
2833 "this program on idle system.\n");
2834 warning = 0;
2835 }
2836 GetSystemTime(&systime);
2837 SystemTimeToFileTime(&systime, &now);
2838 }
2839
2840 if (stop == TM_START) {
2841 tmstart.u.LowPart = now.dwLowDateTime;
2842 tmstart.u.HighPart = now.dwHighDateTime;
2843 } else {
2844 ULARGE_INTEGER tmstop;
2845
2846 tmstop.u.LowPart = now.dwLowDateTime;
2847 tmstop.u.HighPart = now.dwHighDateTime;
2848
2849 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2850 }
2851
2852 return ret;
2853 }
2854 #elif defined(OPENSSL_SYS_VXWORKS)
2855 # include <time.h>
2856
app_tminterval(int stop,int usertime)2857 double app_tminterval(int stop, int usertime)
2858 {
2859 double ret = 0;
2860 # ifdef CLOCK_REALTIME
2861 static struct timespec tmstart;
2862 struct timespec now;
2863 # else
2864 static unsigned long tmstart;
2865 unsigned long now;
2866 # endif
2867 static int warning = 1;
2868
2869 if (usertime && warning) {
2870 BIO_printf(bio_err, "To get meaningful results, run "
2871 "this program on idle system.\n");
2872 warning = 0;
2873 }
2874 # ifdef CLOCK_REALTIME
2875 clock_gettime(CLOCK_REALTIME, &now);
2876 if (stop == TM_START)
2877 tmstart = now;
2878 else
2879 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2880 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2881 # else
2882 now = tickGet();
2883 if (stop == TM_START)
2884 tmstart = now;
2885 else
2886 ret = (now - tmstart) / (double)sysClkRateGet();
2887 # endif
2888 return ret;
2889 }
2890
2891 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2892 # include <sys/times.h>
2893
app_tminterval(int stop,int usertime)2894 double app_tminterval(int stop, int usertime)
2895 {
2896 double ret = 0;
2897 struct tms rus;
2898 clock_t now = times(&rus);
2899 static clock_t tmstart;
2900
2901 if (usertime)
2902 now = rus.tms_utime;
2903
2904 if (stop == TM_START) {
2905 tmstart = now;
2906 } else {
2907 long int tck = sysconf(_SC_CLK_TCK);
2908
2909 ret = (now - tmstart) / (double)tck;
2910 }
2911
2912 return ret;
2913 }
2914
2915 #else
2916 # include <sys/time.h>
2917 # include <sys/resource.h>
2918
app_tminterval(int stop,int usertime)2919 double app_tminterval(int stop, int usertime)
2920 {
2921 double ret = 0;
2922 struct rusage rus;
2923 struct timeval now;
2924 static struct timeval tmstart;
2925
2926 if (usertime)
2927 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2928 else
2929 gettimeofday(&now, NULL);
2930
2931 if (stop == TM_START)
2932 tmstart = now;
2933 else
2934 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2935 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2936
2937 return ret;
2938 }
2939 #endif
2940
app_access(const char * name,int flag)2941 int app_access(const char *name, int flag)
2942 {
2943 #ifdef _WIN32
2944 return _access(name, flag);
2945 #else
2946 return access(name, flag);
2947 #endif
2948 }
2949
app_isdir(const char * name)2950 int app_isdir(const char *name)
2951 {
2952 return opt_isdir(name);
2953 }
2954
2955 /* raw_read|write section */
2956 #if defined(__VMS)
2957 # include "vms_term_sock.h"
2958 static int stdin_sock = -1;
2959
close_stdin_sock(void)2960 static void close_stdin_sock(void)
2961 {
2962 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock);
2963 }
2964
fileno_stdin(void)2965 int fileno_stdin(void)
2966 {
2967 if (stdin_sock == -1) {
2968 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2969 atexit(close_stdin_sock);
2970 }
2971
2972 return stdin_sock;
2973 }
2974 #else
fileno_stdin(void)2975 int fileno_stdin(void)
2976 {
2977 return fileno(stdin);
2978 }
2979 #endif
2980
fileno_stdout(void)2981 int fileno_stdout(void)
2982 {
2983 return fileno(stdout);
2984 }
2985
2986 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
raw_read_stdin(void * buf,int siz)2987 int raw_read_stdin(void *buf, int siz)
2988 {
2989 DWORD n;
2990
2991 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2992 return n;
2993 else
2994 return -1;
2995 }
2996 #elif defined(__VMS)
2997 # include <sys/socket.h>
2998
raw_read_stdin(void * buf,int siz)2999 int raw_read_stdin(void *buf, int siz)
3000 {
3001 return recv(fileno_stdin(), buf, siz, 0);
3002 }
3003 #else
raw_read_stdin(void * buf,int siz)3004 int raw_read_stdin(void *buf, int siz)
3005 {
3006 return read(fileno_stdin(), buf, siz);
3007 }
3008 #endif
3009
3010 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
raw_write_stdout(const void * buf,int siz)3011 int raw_write_stdout(const void *buf, int siz)
3012 {
3013 DWORD n;
3014
3015 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
3016 return n;
3017 else
3018 return -1;
3019 }
3020 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \
3021 && defined(_SPT_MODEL_)
raw_write_stdout(const void * buf,int siz)3022 int raw_write_stdout(const void *buf, int siz)
3023 {
3024 return write(fileno(stdout), (void *)buf, siz);
3025 }
3026 #else
raw_write_stdout(const void * buf,int siz)3027 int raw_write_stdout(const void *buf, int siz)
3028 {
3029 return write(fileno_stdout(), buf, siz);
3030 }
3031 #endif
3032
3033 /*
3034 * Centralized handling of input and output files with format specification
3035 * The format is meant to show what the input and output is supposed to be,
3036 * and is therefore a show of intent more than anything else. However, it
3037 * does impact behavior on some platforms, such as differentiating between
3038 * text and binary input/output on non-Unix platforms
3039 */
dup_bio_in(int format)3040 BIO *dup_bio_in(int format)
3041 {
3042 return BIO_new_fp(stdin,
3043 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3044 }
3045
dup_bio_out(int format)3046 BIO *dup_bio_out(int format)
3047 {
3048 BIO *b = BIO_new_fp(stdout,
3049 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3050 void *prefix = NULL;
3051
3052 if (b == NULL)
3053 return NULL;
3054
3055 #ifdef OPENSSL_SYS_VMS
3056 if (FMT_istext(format))
3057 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3058 #endif
3059
3060 if (FMT_istext(format)
3061 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
3062 b = BIO_push(BIO_new(BIO_f_prefix()), b);
3063 BIO_set_prefix(b, prefix);
3064 }
3065
3066 return b;
3067 }
3068
dup_bio_err(int format)3069 BIO *dup_bio_err(int format)
3070 {
3071 BIO *b = BIO_new_fp(stderr,
3072 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3073
3074 #ifdef OPENSSL_SYS_VMS
3075 if (b != NULL && FMT_istext(format))
3076 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3077 #endif
3078 return b;
3079 }
3080
unbuffer(FILE * fp)3081 void unbuffer(FILE *fp)
3082 {
3083 /*
3084 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
3085 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
3086 * However, we trust that the C RTL will never give us a FILE pointer
3087 * above the first 4 GB of memory, so we simply turn off the warning
3088 * temporarily.
3089 */
3090 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3091 # pragma environment save
3092 # pragma message disable maylosedata2
3093 #endif
3094 setbuf(fp, NULL);
3095 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3096 # pragma environment restore
3097 #endif
3098 }
3099
modestr(char mode,int format)3100 static const char *modestr(char mode, int format)
3101 {
3102 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
3103
3104 switch (mode) {
3105 case 'a':
3106 return FMT_istext(format) ? "a" : "ab";
3107 case 'r':
3108 return FMT_istext(format) ? "r" : "rb";
3109 case 'w':
3110 return FMT_istext(format) ? "w" : "wb";
3111 }
3112 /* The assert above should make sure we never reach this point */
3113 return NULL;
3114 }
3115
modeverb(char mode)3116 static const char *modeverb(char mode)
3117 {
3118 switch (mode) {
3119 case 'a':
3120 return "appending";
3121 case 'r':
3122 return "reading";
3123 case 'w':
3124 return "writing";
3125 }
3126 return "(doing something)";
3127 }
3128
3129 /*
3130 * Open a file for writing, owner-read-only.
3131 */
bio_open_owner(const char * filename,int format,int private)3132 BIO *bio_open_owner(const char *filename, int format, int private)
3133 {
3134 FILE *fp = NULL;
3135 BIO *b = NULL;
3136 int textmode, bflags;
3137 #ifndef OPENSSL_NO_POSIX_IO
3138 int fd = -1, mode;
3139 #endif
3140
3141 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3142 return bio_open_default(filename, 'w', format);
3143
3144 textmode = FMT_istext(format);
3145 #ifndef OPENSSL_NO_POSIX_IO
3146 mode = O_WRONLY;
3147 # ifdef O_CREAT
3148 mode |= O_CREAT;
3149 # endif
3150 # ifdef O_TRUNC
3151 mode |= O_TRUNC;
3152 # endif
3153 if (!textmode) {
3154 # ifdef O_BINARY
3155 mode |= O_BINARY;
3156 # elif defined(_O_BINARY)
3157 mode |= _O_BINARY;
3158 # endif
3159 }
3160
3161 # ifdef OPENSSL_SYS_VMS
3162 /*
3163 * VMS doesn't have O_BINARY, it just doesn't make sense. But,
3164 * it still needs to know that we're going binary, or fdopen()
3165 * will fail with "invalid argument"... so we tell VMS what the
3166 * context is.
3167 */
3168 if (!textmode)
3169 fd = open(filename, mode, 0600, "ctx=bin");
3170 else
3171 # endif
3172 fd = open(filename, mode, 0600);
3173 if (fd < 0)
3174 goto err;
3175 fp = fdopen(fd, modestr('w', format));
3176 #else /* OPENSSL_NO_POSIX_IO */
3177 /* Have stdio but not Posix IO, do the best we can */
3178 fp = fopen(filename, modestr('w', format));
3179 #endif /* OPENSSL_NO_POSIX_IO */
3180 if (fp == NULL)
3181 goto err;
3182 bflags = BIO_CLOSE;
3183 if (textmode)
3184 bflags |= BIO_FP_TEXT;
3185 b = BIO_new_fp(fp, bflags);
3186 if (b != NULL)
3187 return b;
3188
3189 err:
3190 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3191 opt_getprog(), filename, strerror(errno));
3192 ERR_print_errors(bio_err);
3193 /* If we have fp, then fdopen took over fd, so don't close both. */
3194 if (fp != NULL)
3195 fclose(fp);
3196 #ifndef OPENSSL_NO_POSIX_IO
3197 else if (fd >= 0)
3198 close(fd);
3199 #endif
3200 return NULL;
3201 }
3202
bio_open_default_(const char * filename,char mode,int format,int quiet)3203 static BIO *bio_open_default_(const char *filename, char mode, int format,
3204 int quiet)
3205 {
3206 BIO *ret;
3207
3208 if (filename == NULL || strcmp(filename, "-") == 0) {
3209 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3210 if (quiet) {
3211 ERR_clear_error();
3212 return ret;
3213 }
3214 if (ret != NULL)
3215 return ret;
3216 BIO_printf(bio_err,
3217 "Can't open %s, %s\n",
3218 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3219 } else {
3220 ret = BIO_new_file(filename, modestr(mode, format));
3221 if (quiet) {
3222 ERR_clear_error();
3223 return ret;
3224 }
3225 if (ret != NULL)
3226 return ret;
3227 BIO_printf(bio_err,
3228 "Can't open \"%s\" for %s, %s\n",
3229 filename, modeverb(mode), strerror(errno));
3230 }
3231 ERR_print_errors(bio_err);
3232 return NULL;
3233 }
3234
bio_open_default(const char * filename,char mode,int format)3235 BIO *bio_open_default(const char *filename, char mode, int format)
3236 {
3237 return bio_open_default_(filename, mode, format, 0);
3238 }
3239
bio_open_default_quiet(const char * filename,char mode,int format)3240 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3241 {
3242 return bio_open_default_(filename, mode, format, 1);
3243 }
3244
mem_bio_to_file(BIO * in,const char * filename,int format,int private)3245 int mem_bio_to_file(BIO *in, const char *filename, int format, int private)
3246 {
3247 int rv = 0, ret = 0;
3248 BIO *out = NULL;
3249 BUF_MEM *mem_buffer = NULL;
3250
3251 rv = BIO_get_mem_ptr(in, &mem_buffer);
3252 if (rv <= 0) {
3253 BIO_puts(bio_err, "Error reading mem buffer\n");
3254 goto end;
3255 }
3256 out = bio_open_owner(filename, format, private);
3257 if (out == NULL)
3258 goto end;
3259 rv = BIO_write(out, mem_buffer->data, mem_buffer->length);
3260 if (rv < 0 || (size_t)rv != mem_buffer->length)
3261 BIO_printf(bio_err, "Error writing to output file: '%s'\n", filename);
3262 else
3263 ret = 1;
3264 end:
3265 if (!ret)
3266 ERR_print_errors(bio_err);
3267 BIO_free_all(out);
3268 return ret;
3269 }
3270
wait_for_async(SSL * s)3271 void wait_for_async(SSL *s)
3272 {
3273 /* On Windows select only works for sockets, so we simply don't wait */
3274 #ifndef OPENSSL_SYS_WINDOWS
3275 int width = 0;
3276 fd_set asyncfds;
3277 OSSL_ASYNC_FD *fds;
3278 size_t numfds;
3279 size_t i;
3280
3281 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3282 return;
3283 if (numfds == 0)
3284 return;
3285 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3286 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3287 OPENSSL_free(fds);
3288 return;
3289 }
3290
3291 FD_ZERO(&asyncfds);
3292 for (i = 0; i < numfds; i++) {
3293 if (width <= (int)fds[i])
3294 width = (int)fds[i] + 1;
3295 openssl_fdset((int)fds[i], &asyncfds);
3296 }
3297 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3298 OPENSSL_free(fds);
3299 #endif
3300 }
3301
3302 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3303 #if defined(OPENSSL_SYS_MSDOS)
has_stdin_waiting(void)3304 int has_stdin_waiting(void)
3305 {
3306 # if defined(OPENSSL_SYS_WINDOWS)
3307 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3308 DWORD events = 0;
3309 INPUT_RECORD inputrec;
3310 DWORD insize = 1;
3311 BOOL peeked;
3312
3313 if (inhand == INVALID_HANDLE_VALUE) {
3314 return 0;
3315 }
3316
3317 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3318 if (!peeked) {
3319 /* Probably redirected input? _kbhit() does not work in this case */
3320 if (!feof(stdin)) {
3321 return 1;
3322 }
3323 return 0;
3324 }
3325 # endif
3326 return _kbhit();
3327 }
3328 #endif
3329
3330 /* Corrupt a signature by modifying final byte */
corrupt_signature(const ASN1_STRING * signature)3331 void corrupt_signature(const ASN1_STRING *signature)
3332 {
3333 unsigned char *s = signature->data;
3334
3335 s[signature->length - 1] ^= 0x1;
3336 }
3337
check_cert_time_string(const char * time,const char * desc)3338 int check_cert_time_string(const char *time, const char *desc)
3339 {
3340 if (time == NULL || strcmp(time, "today") == 0
3341 || ASN1_TIME_set_string_X509(NULL, time))
3342 return 1;
3343 BIO_printf(bio_err,
3344 "%s is invalid, it should be \"today\" or have format [CC]YYMMDDHHMMSSZ\n",
3345 desc);
3346 return 0;
3347 }
3348
set_cert_times(X509 * x,const char * startdate,const char * enddate,int days,int strict_compare_times)3349 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3350 int days, int strict_compare_times)
3351 {
3352 if (!check_cert_time_string(startdate, "start date"))
3353 return 0;
3354 if (!check_cert_time_string(enddate, "end date"))
3355 return 0;
3356 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3357 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) {
3358 BIO_printf(bio_err, "Error setting notBefore certificate field\n");
3359 return 0;
3360 }
3361 } else {
3362 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) {
3363 BIO_printf(bio_err, "Error setting notBefore certificate field\n");
3364 return 0;
3365 }
3366 }
3367 if (enddate != NULL && strcmp(enddate, "today") == 0) {
3368 enddate = NULL;
3369 days = 0;
3370 }
3371 if (enddate == NULL) {
3372 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) == NULL) {
3373 BIO_printf(bio_err, "Error setting notAfter certificate field\n");
3374 return 0;
3375 }
3376 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3377 BIO_printf(bio_err, "Error setting notAfter certificate field\n");
3378 return 0;
3379 }
3380 if (ASN1_TIME_compare(X509_get0_notAfter(x), X509_get0_notBefore(x)) < 0) {
3381 BIO_printf(bio_err, "%s: end date before start date\n",
3382 strict_compare_times ? "Error" : "Warning");
3383 if (strict_compare_times)
3384 return 0;
3385 }
3386 return 1;
3387 }
3388
set_crl_lastupdate(X509_CRL * crl,const char * lastupdate)3389 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3390 {
3391 int ret = 0;
3392 ASN1_TIME *tm = ASN1_TIME_new();
3393
3394 if (tm == NULL)
3395 goto end;
3396
3397 if (lastupdate == NULL) {
3398 if (X509_gmtime_adj(tm, 0) == NULL)
3399 goto end;
3400 } else {
3401 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3402 goto end;
3403 }
3404
3405 if (!X509_CRL_set1_lastUpdate(crl, tm))
3406 goto end;
3407
3408 ret = 1;
3409 end:
3410 ASN1_TIME_free(tm);
3411 return ret;
3412 }
3413
set_crl_nextupdate(X509_CRL * crl,const char * nextupdate,long days,long hours,long secs)3414 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3415 long days, long hours, long secs)
3416 {
3417 int ret = 0;
3418 ASN1_TIME *tm = ASN1_TIME_new();
3419
3420 if (tm == NULL)
3421 goto end;
3422
3423 if (nextupdate == NULL) {
3424 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3425 goto end;
3426 } else {
3427 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3428 goto end;
3429 }
3430
3431 if (!X509_CRL_set1_nextUpdate(crl, tm))
3432 goto end;
3433
3434 ret = 1;
3435 end:
3436 ASN1_TIME_free(tm);
3437 return ret;
3438 }
3439
make_uppercase(char * string)3440 void make_uppercase(char *string)
3441 {
3442 int i;
3443
3444 for (i = 0; string[i] != '\0'; i++)
3445 string[i] = toupper((unsigned char)string[i]);
3446 }
3447
app_params_new_from_opts(STACK_OF (OPENSSL_STRING)* opts,const OSSL_PARAM * paramdefs)3448 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3449 const OSSL_PARAM *paramdefs)
3450 {
3451 OSSL_PARAM *params = NULL;
3452 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3453 size_t params_n;
3454 char *opt = "", *stmp, *vtmp = NULL;
3455 int found = 1;
3456
3457 if (opts == NULL)
3458 return NULL;
3459
3460 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3461 if (params == NULL)
3462 return NULL;
3463
3464 for (params_n = 0; params_n < sz; params_n++) {
3465 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3466 if ((stmp = OPENSSL_strdup(opt)) == NULL
3467 || (vtmp = strchr(stmp, ':')) == NULL)
3468 goto err;
3469 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3470 *vtmp = 0;
3471 /* Skip over the separator so that vmtp points to the value */
3472 vtmp++;
3473 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs,
3474 stmp, vtmp, strlen(vtmp), &found))
3475 goto err;
3476 OPENSSL_free(stmp);
3477 }
3478 params[params_n] = OSSL_PARAM_construct_end();
3479 return params;
3480 err:
3481 OPENSSL_free(stmp);
3482 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3483 opt);
3484 ERR_print_errors(bio_err);
3485 app_params_free(params);
3486 return NULL;
3487 }
3488
app_params_free(OSSL_PARAM * params)3489 void app_params_free(OSSL_PARAM *params)
3490 {
3491 int i;
3492
3493 if (params != NULL) {
3494 for (i = 0; params[i].key != NULL; ++i)
3495 OPENSSL_free(params[i].data);
3496 OPENSSL_free(params);
3497 }
3498 }
3499
app_keygen(EVP_PKEY_CTX * ctx,const char * alg,int bits,int verbose)3500 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3501 {
3502 EVP_PKEY *res = NULL;
3503
3504 if (verbose && alg != NULL) {
3505 BIO_printf(bio_err, "Generating %s key", alg);
3506 if (bits > 0)
3507 BIO_printf(bio_err, " with %d bits\n", bits);
3508 else
3509 BIO_printf(bio_err, "\n");
3510 }
3511 if (!RAND_status())
3512 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3513 "if the system has a poor entropy source\n");
3514 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3515 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(),
3516 alg != NULL ? alg : "asymmetric");
3517 return res;
3518 }
3519
app_paramgen(EVP_PKEY_CTX * ctx,const char * alg)3520 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3521 {
3522 EVP_PKEY *res = NULL;
3523
3524 if (!RAND_status())
3525 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3526 "if the system has a poor entropy source\n");
3527 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3528 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n",
3529 opt_getprog(), alg != NULL ? alg : "asymmetric");
3530 return res;
3531 }
3532
3533 /*
3534 * Return non-zero if the legacy path is still an option.
3535 * This decision is based on the global command line operations and the
3536 * behaviour thus far.
3537 */
opt_legacy_okay(void)3538 int opt_legacy_okay(void)
3539 {
3540 int provider_options = opt_provider_option_given();
3541 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3542
3543 /*
3544 * Having a provider option specified or a custom library context or
3545 * property query, is a sure sign we're not using legacy.
3546 */
3547 if (provider_options || libctx)
3548 return 0;
3549 return 1;
3550 }
3551