1 /*
2 * Copyright 1995-2026 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/numbers.h" /* for LONG_MAX */
53 #include "internal/e_os.h"
54
55 #ifdef _WIN32
56 static int WIN32_rename(const char *from, const char *to);
57 #define rename(from, to) WIN32_rename((from), (to))
58 #endif
59
60 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
61 #include <conio.h>
62 #endif
63
64 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
65 #define _kbhit kbhit
66 #endif
67
68 static BIO *bio_open_default_(const char *filename, char mode, int format,
69 int quiet);
70
71 #define PASS_SOURCE_SIZE_MAX 4
72
73 DEFINE_STACK_OF(CONF)
74
75 typedef struct {
76 const char *name;
77 unsigned long flag;
78 unsigned long mask;
79 } NAME_EX_TBL;
80
81 static int set_table_opts(unsigned long *flags, const char *arg,
82 const NAME_EX_TBL *in_tbl);
83 static int set_multi_opts(unsigned long *flags, const char *arg,
84 const NAME_EX_TBL *in_tbl);
85 int app_init(long mesgwin);
86
87 #ifndef APP_INIT
app_init(long mesgwin)88 int app_init(long mesgwin)
89 {
90 return 1;
91 }
92 #endif
93
ctx_set_verify_locations(SSL_CTX * ctx,const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)94 int ctx_set_verify_locations(SSL_CTX *ctx,
95 const char *CAfile, int noCAfile,
96 const char *CApath, int noCApath,
97 const char *CAstore, int noCAstore)
98 {
99 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
100 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
101 return 0;
102 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
103 return 0;
104 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
105 return 0;
106
107 return 1;
108 }
109
110 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
111 return 0;
112 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
113 return 0;
114 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
115 return 0;
116 return 1;
117 }
118
119 #ifndef OPENSSL_NO_CT
120
ctx_set_ctlog_list_file(SSL_CTX * ctx,const char * path)121 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
122 {
123 if (path == NULL)
124 return SSL_CTX_set_default_ctlog_list_file(ctx);
125
126 return SSL_CTX_set_ctlog_list_file(ctx, path);
127 }
128
129 #endif
130
131 static unsigned long nmflag = 0;
132 static char nmflag_set = 0;
133
set_nameopt(const char * arg)134 int set_nameopt(const char *arg)
135 {
136 int ret = set_name_ex(&nmflag, arg);
137
138 if (ret)
139 nmflag_set = 1;
140
141 return ret;
142 }
143
get_nameopt(void)144 unsigned long get_nameopt(void)
145 {
146 return nmflag_set ? nmflag : XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN | ASN1_STRFLGS_ESC_CTRL | ASN1_STRFLGS_UTF8_CONVERT | ASN1_STRFLGS_DUMP_UNKNOWN | ASN1_STRFLGS_DUMP_DER;
147 }
148
dump_cert_text(BIO * out,X509 * x)149 void dump_cert_text(BIO *out, X509 *x)
150 {
151 print_name(out, "subject=", X509_get_subject_name(x));
152 print_name(out, "issuer=", X509_get_issuer_name(x));
153 }
154
wrap_password_callback(char * buf,int bufsiz,int verify,void * userdata)155 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
156 {
157 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
158 }
159
160 static char *app_get_pass(const char *arg, int keepbio);
161
get_passwd(const char * pass,const char * desc)162 char *get_passwd(const char *pass, const char *desc)
163 {
164 char *result = NULL;
165
166 if (desc == NULL)
167 desc = "<unknown>";
168 if (!app_passwd(pass, NULL, &result, NULL))
169 BIO_printf(bio_err, "Error getting password for %s\n", desc);
170 if (pass != NULL && result == NULL) {
171 BIO_printf(bio_err,
172 "Trying plain input string (better precede with 'pass:')\n");
173 result = OPENSSL_strdup(pass);
174 if (result == NULL)
175 BIO_printf(bio_err,
176 "Out of memory getting password for %s\n", desc);
177 }
178 return result;
179 }
180
app_passwd(const char * arg1,const char * arg2,char ** pass1,char ** pass2)181 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
182 {
183 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
184
185 if (arg1 != NULL) {
186 *pass1 = app_get_pass(arg1, same);
187 if (*pass1 == NULL)
188 return 0;
189 } else if (pass1 != NULL) {
190 *pass1 = NULL;
191 }
192 if (arg2 != NULL) {
193 *pass2 = app_get_pass(arg2, same ? 2 : 0);
194 if (*pass2 == NULL) {
195 if (pass1 != NULL) {
196 clear_free(*pass1);
197 *pass1 = NULL;
198 }
199 return 0;
200 }
201 } else if (pass2 != NULL) {
202 *pass2 = NULL;
203 }
204 return 1;
205 }
206
app_get_pass(const char * arg,int keepbio)207 static char *app_get_pass(const char *arg, int keepbio)
208 {
209 static BIO *pwdbio = NULL;
210 char *tmp, tpass[APP_PASS_LEN];
211 int i;
212
213 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
214 if (CHECK_AND_SKIP_PREFIX(arg, "pass:"))
215 return OPENSSL_strdup(arg);
216 if (CHECK_AND_SKIP_PREFIX(arg, "env:")) {
217 tmp = getenv(arg);
218 if (tmp == NULL) {
219 BIO_printf(bio_err, "No environment variable %s\n", arg);
220 return NULL;
221 }
222 return OPENSSL_strdup(tmp);
223 }
224 if (!keepbio || pwdbio == NULL) {
225 if (CHECK_AND_SKIP_PREFIX(arg, "file:")) {
226 pwdbio = BIO_new_file(arg, "r");
227 if (pwdbio == NULL) {
228 BIO_printf(bio_err, "Can't open file %s\n", arg);
229 return NULL;
230 }
231 #if !defined(_WIN32)
232 /*
233 * Under _WIN32, which covers even Win64 and CE, file
234 * descriptors referenced by BIO_s_fd are not inherited
235 * by child process and therefore below is not an option.
236 * It could have been an option if bss_fd.c was operating
237 * on real Windows descriptors, such as those obtained
238 * with CreateFile.
239 */
240 } else if (CHECK_AND_SKIP_PREFIX(arg, "fd:")) {
241 BIO *btmp;
242
243 i = atoi(arg);
244 if (i >= 0)
245 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
246 if ((i < 0) || pwdbio == NULL) {
247 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg);
248 return NULL;
249 }
250 /*
251 * Can't do BIO_gets on an fd BIO so add a buffering BIO
252 */
253 btmp = BIO_new(BIO_f_buffer());
254 if (btmp == NULL) {
255 BIO_free_all(pwdbio);
256 pwdbio = NULL;
257 BIO_printf(bio_err, "Out of memory\n");
258 return NULL;
259 }
260 pwdbio = BIO_push(btmp, pwdbio);
261 #endif
262 } else if (strcmp(arg, "stdin") == 0) {
263 unbuffer(stdin);
264 pwdbio = dup_bio_in(FORMAT_TEXT);
265 if (pwdbio == NULL) {
266 BIO_printf(bio_err, "Can't open BIO for stdin\n");
267 return NULL;
268 }
269 } else {
270 /* argument syntax error; do not reveal too much about arg */
271 const char *arg_ptr = strchr(arg, ':');
272 if (arg_ptr == NULL || arg_ptr - arg > PASS_SOURCE_SIZE_MAX)
273 BIO_printf(bio_err,
274 "Invalid password argument, missing ':' within the first %d chars\n",
275 PASS_SOURCE_SIZE_MAX + 1);
276 else
277 BIO_printf(bio_err,
278 "Invalid password argument, starting with \"%.*s\"\n",
279 (int)(arg_ptr - arg + 1), arg);
280 return NULL;
281 }
282 }
283 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
284 if (keepbio != 1) {
285 BIO_free_all(pwdbio);
286 pwdbio = NULL;
287 }
288 if (i <= 0) {
289 BIO_printf(bio_err, "Error reading password from BIO\n");
290 return NULL;
291 }
292 tmp = strchr(tpass, '\n');
293 if (tmp != NULL)
294 *tmp = 0;
295 return OPENSSL_strdup(tpass);
296 }
297
app_conf_try_string(const CONF * conf,const char * group,const char * name)298 char *app_conf_try_string(const CONF *conf, const char *group, const char *name)
299 {
300 char *res;
301
302 ERR_set_mark();
303 res = NCONF_get_string(conf, group, name);
304 if (res == NULL)
305 ERR_pop_to_mark();
306 else
307 ERR_clear_last_mark();
308 return res;
309 }
310
app_conf_try_number(const CONF * conf,const char * group,const char * name,long * result)311 int app_conf_try_number(const CONF *conf, const char *group, const char *name,
312 long *result)
313 {
314 int ok;
315
316 ERR_set_mark();
317 ok = NCONF_get_number(conf, group, name, result);
318 if (!ok)
319 ERR_pop_to_mark();
320 else
321 ERR_clear_last_mark();
322 return ok;
323 }
324
app_load_config_bio(BIO * in,const char * filename)325 CONF *app_load_config_bio(BIO *in, const char *filename)
326 {
327 long errorline = -1;
328 CONF *conf;
329 int i;
330
331 conf = NCONF_new_ex(app_get0_libctx(), NULL);
332 i = NCONF_load_bio(conf, in, &errorline);
333 if (i > 0)
334 return conf;
335
336 if (errorline <= 0) {
337 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
338 } else {
339 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
340 errorline);
341 }
342 if (filename != NULL)
343 BIO_printf(bio_err, "config file \"%s\"\n", filename);
344 else
345 BIO_printf(bio_err, "config input");
346
347 NCONF_free(conf);
348 return NULL;
349 }
350
app_load_config_verbose(const char * filename,int verbose)351 CONF *app_load_config_verbose(const char *filename, int verbose)
352 {
353 if (verbose) {
354 if (*filename == '\0')
355 BIO_printf(bio_err, "No configuration used\n");
356 else
357 BIO_printf(bio_err, "Using configuration from %s\n", filename);
358 }
359 return app_load_config_internal(filename, 0);
360 }
361
app_load_config_internal(const char * filename,int quiet)362 CONF *app_load_config_internal(const char *filename, int quiet)
363 {
364 BIO *in;
365 CONF *conf;
366
367 if (filename == NULL || *filename != '\0') {
368 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
369 return NULL;
370 conf = app_load_config_bio(in, filename);
371 BIO_free(in);
372 } else {
373 /* Return empty config if filename is empty string. */
374 conf = NCONF_new_ex(app_get0_libctx(), NULL);
375 }
376 return conf;
377 }
378
app_load_modules(const CONF * config)379 int app_load_modules(const CONF *config)
380 {
381 CONF *to_free = NULL;
382
383 if (config == NULL)
384 config = to_free = app_load_config_quiet(default_config_file);
385 if (config == NULL)
386 return 1;
387
388 if (CONF_modules_load(config, NULL, 0) <= 0) {
389 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
390 ERR_print_errors(bio_err);
391 NCONF_free(to_free);
392 return 0;
393 }
394 NCONF_free(to_free);
395 return 1;
396 }
397
add_oid_section(CONF * conf)398 int add_oid_section(CONF *conf)
399 {
400 char *p;
401 STACK_OF(CONF_VALUE) *sktmp;
402 CONF_VALUE *cnf;
403 int i;
404
405 if ((p = app_conf_try_string(conf, NULL, "oid_section")) == NULL)
406 return 1;
407 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
408 BIO_printf(bio_err, "problem loading oid section %s\n", p);
409 return 0;
410 }
411 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
412 cnf = sk_CONF_VALUE_value(sktmp, i);
413 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
414 BIO_printf(bio_err, "problem creating object %s=%s\n",
415 cnf->name, cnf->value);
416 return 0;
417 }
418 }
419 return 1;
420 }
421
app_load_config_modules(const char * configfile)422 CONF *app_load_config_modules(const char *configfile)
423 {
424 CONF *conf = NULL;
425
426 if (configfile != NULL) {
427 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
428 return NULL;
429 if (configfile != default_config_file && !app_load_modules(conf)) {
430 NCONF_free(conf);
431 conf = NULL;
432 }
433 }
434 return conf;
435 }
436
437 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX))
438 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX))
439
load_cert_pass(const char * uri,int format,int maybe_stdin,const char * pass,const char * desc)440 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
441 const char *pass, const char *desc)
442 {
443 X509 *cert = NULL;
444
445 if (desc == NULL)
446 desc = "certificate";
447 if (IS_HTTPS(uri)) {
448 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
449 } else if (IS_HTTP(uri)) {
450 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
451 if (cert == NULL) {
452 ERR_print_errors(bio_err);
453 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
454 }
455 } else {
456 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
457 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
458 }
459 return cert;
460 }
461
load_crl(const char * uri,int format,int maybe_stdin,const char * desc)462 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
463 const char *desc)
464 {
465 X509_CRL *crl = NULL;
466
467 if (desc == NULL)
468 desc = "CRL";
469 if (IS_HTTPS(uri)) {
470 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
471 } else if (IS_HTTP(uri)) {
472 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
473 if (crl == NULL) {
474 ERR_print_errors(bio_err);
475 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
476 }
477 } else {
478 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0,
479 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
480 }
481 return crl;
482 }
483
484 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */
load_csr(const char * file,int format,const char * desc)485 X509_REQ *load_csr(const char *file, int format, const char *desc)
486 {
487 X509_REQ *req = NULL;
488 BIO *in;
489
490 if (format == FORMAT_UNDEF)
491 format = FORMAT_PEM;
492 in = bio_open_default(file, 'r', format);
493 if (in == NULL)
494 goto end;
495
496 if (format == FORMAT_ASN1)
497 req = d2i_X509_REQ_bio(in, NULL);
498 else if (format == FORMAT_PEM)
499 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
500 else
501 print_format_error(format, OPT_FMT_PEMDER);
502
503 end:
504 if (req == NULL) {
505 ERR_print_errors(bio_err);
506 if (desc != NULL)
507 BIO_printf(bio_err, "Unable to load %s\n", desc);
508 }
509 BIO_free(in);
510 return req;
511 }
512
513 /* 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)514 X509_REQ *load_csr_autofmt(const char *infile, int format,
515 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc)
516 {
517 X509_REQ *csr;
518
519 if (format != FORMAT_UNDEF) {
520 csr = load_csr(infile, format, desc);
521 } else { /* try PEM, then DER */
522 BIO *bio_bak = bio_err;
523
524 bio_err = NULL; /* do not show errors on more than one try */
525 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */);
526 bio_err = bio_bak;
527 if (csr == NULL) {
528 ERR_clear_error();
529 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */);
530 }
531 if (csr == NULL) {
532 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n",
533 desc, infile);
534 }
535 }
536 if (csr != NULL) {
537 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
538 int ret = do_X509_REQ_verify(csr, pkey, vfyopts);
539
540 if (pkey == NULL || ret < 0)
541 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n");
542 else if (ret == 0)
543 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n");
544 return csr;
545 }
546 return csr;
547 }
548
cleanse(char * str)549 void cleanse(char *str)
550 {
551 if (str != NULL)
552 OPENSSL_cleanse(str, strlen(str));
553 }
554
clear_free(char * str)555 void clear_free(char *str)
556 {
557 if (str != NULL)
558 OPENSSL_clear_free(str, strlen(str));
559 }
560
load_key(const char * uri,int format,int may_stdin,const char * pass,ENGINE * e,const char * desc)561 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
562 const char *pass, ENGINE *e, const char *desc)
563 {
564 EVP_PKEY *pkey = NULL;
565 char *allocated_uri = NULL;
566
567 if (desc == NULL)
568 desc = "private key";
569
570 if (format == FORMAT_ENGINE)
571 uri = allocated_uri = make_engine_uri(e, uri, desc);
572 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0,
573 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
574
575 OPENSSL_free(allocated_uri);
576 return pkey;
577 }
578
579 /* 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)580 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
581 const char *pass, ENGINE *e, const char *desc)
582 {
583 EVP_PKEY *pkey = NULL;
584 char *allocated_uri = NULL;
585
586 if (desc == NULL)
587 desc = "public key";
588
589 if (format == FORMAT_ENGINE)
590 uri = allocated_uri = make_engine_uri(e, uri, desc);
591 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1,
592 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
593 if (pkey == NULL)
594 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
595 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
596 OPENSSL_free(allocated_uri);
597 return pkey;
598 }
599
load_keyparams_suppress(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc,int suppress_decode_errors)600 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
601 const char *keytype, const char *desc,
602 int suppress_decode_errors)
603 {
604 EVP_PKEY *params = NULL;
605
606 if (desc == NULL)
607 desc = "key parameters";
608 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
609 suppress_decode_errors,
610 NULL, NULL, ¶ms, NULL, NULL, NULL, NULL);
611 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
612 ERR_print_errors(bio_err);
613 BIO_printf(bio_err,
614 "Unable to load %s from %s (unexpected parameters type)\n",
615 desc, uri);
616 EVP_PKEY_free(params);
617 params = NULL;
618 }
619 return params;
620 }
621
load_keyparams(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc)622 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
623 const char *keytype, const char *desc)
624 {
625 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
626 }
627
app_bail_out(char * fmt,...)628 void app_bail_out(char *fmt, ...)
629 {
630 va_list args;
631
632 va_start(args, fmt);
633 BIO_vprintf(bio_err, fmt, args);
634 va_end(args);
635 ERR_print_errors(bio_err);
636 exit(EXIT_FAILURE);
637 }
638
app_malloc(size_t sz,const char * what)639 void *app_malloc(size_t sz, const char *what)
640 {
641 void *vp = OPENSSL_malloc(sz);
642
643 if (vp == NULL)
644 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
645 opt_getprog(), sz, what);
646 return vp;
647 }
648
next_item(char * opt)649 char *next_item(char *opt) /* in list separated by comma and/or space */
650 {
651 /* advance to separator (comma or whitespace), if any */
652 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0')
653 opt++;
654 if (*opt != '\0') {
655 /* terminate current item */
656 *opt++ = '\0';
657 /* skip over any whitespace after separator */
658 while (isspace(_UC(*opt)))
659 opt++;
660 }
661 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
662 }
663
warn_cert_msg(const char * uri,X509 * cert,const char * msg)664 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
665 {
666 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
667
668 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
669 uri, subj, msg);
670 OPENSSL_free(subj);
671 }
672
warn_cert(const char * uri,X509 * cert,int warn_EE,X509_VERIFY_PARAM * vpm)673 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
674 X509_VERIFY_PARAM *vpm)
675 {
676 uint32_t ex_flags = X509_get_extension_flags(cert);
677 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
678 X509_get0_notAfter(cert));
679
680 if (res != 0)
681 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
682 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
683 warn_cert_msg(uri, cert, "is not a CA cert");
684 }
685
warn_certs(const char * uri,STACK_OF (X509)* certs,int warn_EE,X509_VERIFY_PARAM * vpm)686 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
687 X509_VERIFY_PARAM *vpm)
688 {
689 int i;
690
691 for (i = 0; i < sk_X509_num(certs); i++)
692 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
693 }
694
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)695 int load_cert_certs(const char *uri,
696 X509 **pcert, STACK_OF(X509) **pcerts,
697 int exclude_http, const char *pass, const char *desc,
698 X509_VERIFY_PARAM *vpm)
699 {
700 int ret = 0;
701 char *pass_string;
702
703 if (desc == NULL)
704 desc = pcerts == NULL ? "certificate" : "certificates";
705 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://") || HAS_CASE_PREFIX(uri, "https://"))) {
706 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
707 return ret;
708 }
709 pass_string = get_passwd(pass, desc);
710 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0,
711 NULL, NULL, NULL, pcert, pcerts, NULL, NULL);
712 clear_free(pass_string);
713
714 if (ret) {
715 if (pcert != NULL)
716 warn_cert(uri, *pcert, 0, vpm);
717 if (pcerts != NULL)
718 warn_certs(uri, *pcerts, 1, vpm);
719 } else {
720 if (pcerts != NULL) {
721 OSSL_STACK_OF_X509_free(*pcerts);
722 *pcerts = NULL;
723 }
724 }
725 return ret;
726 }
727
STACK_OF(X509)728 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
729 const char *desc, X509_VERIFY_PARAM *vpm)
730 {
731 STACK_OF(X509) *certs = NULL;
732 STACK_OF(X509) *result = sk_X509_new_null();
733
734 if (files == NULL)
735 goto err;
736 if (result == NULL)
737 goto oom;
738
739 while (files != NULL) {
740 char *next = next_item(files);
741
742 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
743 goto err;
744 if (!X509_add_certs(result, certs,
745 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
746 goto oom;
747 OSSL_STACK_OF_X509_free(certs);
748 certs = NULL;
749 files = next;
750 }
751 return result;
752
753 oom:
754 BIO_printf(bio_err, "out of memory\n");
755 err:
756 OSSL_STACK_OF_X509_free(certs);
757 OSSL_STACK_OF_X509_free(result);
758 return NULL;
759 }
760
sk_X509_to_store(X509_STORE * store,const STACK_OF (X509)* certs)761 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
762 const STACK_OF(X509) *certs /* may NULL */)
763 {
764 int i;
765
766 if (store == NULL)
767 store = X509_STORE_new();
768 if (store == NULL)
769 return NULL;
770 for (i = 0; i < sk_X509_num(certs); i++) {
771 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
772 X509_STORE_free(store);
773 return NULL;
774 }
775 }
776 return store;
777 }
778
779 /*
780 * Create cert store structure with certificates read from given file(s).
781 * Returns pointer to created X509_STORE on success, NULL on error.
782 */
load_certstore(char * input,const char * pass,const char * desc,X509_VERIFY_PARAM * vpm)783 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
784 X509_VERIFY_PARAM *vpm)
785 {
786 X509_STORE *store = NULL;
787 STACK_OF(X509) *certs = NULL;
788
789 while (input != NULL) {
790 char *next = next_item(input);
791 int ok;
792
793 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
794 X509_STORE_free(store);
795 return NULL;
796 }
797 ok = (store = sk_X509_to_store(store, certs)) != NULL;
798 OSSL_STACK_OF_X509_free(certs);
799 certs = NULL;
800 if (!ok)
801 return NULL;
802 input = next;
803 }
804 return store;
805 }
806
807 /*
808 * Initialize or extend, if *certs != NULL, a certificate stack.
809 * The caller is responsible for freeing *certs if its value is left not NULL.
810 */
load_certs(const char * uri,int maybe_stdin,STACK_OF (X509)** certs,const char * pass,const char * desc)811 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
812 const char *pass, const char *desc)
813 {
814 int ret, was_NULL = *certs == NULL;
815
816 if (desc == NULL)
817 desc = "certificates";
818 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0,
819 NULL, NULL, NULL, NULL, certs, NULL, NULL);
820
821 if (!ret && was_NULL) {
822 OSSL_STACK_OF_X509_free(*certs);
823 *certs = NULL;
824 }
825 return ret;
826 }
827
828 /*
829 * Initialize or extend, if *crls != NULL, a certificate stack.
830 * The caller is responsible for freeing *crls if its value is left not NULL.
831 */
load_crls(const char * uri,STACK_OF (X509_CRL)** crls,const char * pass,const char * desc)832 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
833 const char *pass, const char *desc)
834 {
835 int ret, was_NULL = *crls == NULL;
836
837 if (desc == NULL)
838 desc = "CRLs";
839 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0,
840 NULL, NULL, NULL, NULL, NULL, NULL, crls);
841
842 if (!ret && was_NULL) {
843 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
844 *crls = NULL;
845 }
846 return ret;
847 }
848
format2string(int format)849 static const char *format2string(int format)
850 {
851 switch (format) {
852 case FORMAT_PEM:
853 return "PEM";
854 case FORMAT_ASN1:
855 return "DER";
856 case FORMAT_PVK:
857 return "PVK";
858 case FORMAT_MSBLOB:
859 return "MSBLOB";
860 }
861 return NULL;
862 }
863
864 /* Set type expectation, but set to 0 if objects of multiple types expected. */
865 #define SET_EXPECT(val) \
866 (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0))
867 #define SET_EXPECT1(pvar, val) \
868 if ((pvar) != NULL) { \
869 *(pvar) = NULL; \
870 SET_EXPECT(val); \
871 }
872 /* Provide (error msg) text for some of the credential types to be loaded. */
873 #define FAIL_NAME \
874 (ppkey != NULL ? "private key" : ppubkey != NULL ? "public key" \
875 : pparams != NULL ? "key parameters" \
876 : pcert != NULL ? "certificate" \
877 : pcerts != NULL ? "certificates" \
878 : pcrl != NULL ? "CRL" \
879 : pcrls != NULL ? "CRLs" \
880 : NULL)
881 /*
882 * Load those types of credentials for which the result pointer is not NULL.
883 * Reads from stdin if 'uri' is NULL and 'maybe_stdin' is nonzero.
884 * 'format' parameter may be FORMAT_PEM, FORMAT_ASN1, or 0 for no hint.
885 * desc may contain more detail on the credential(s) to be loaded for error msg
886 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
887 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
888 * If pcerts is non-NULL then all available certificates are appended to *pcerts
889 * except any certificate assigned to *pcert.
890 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
891 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
892 * except any CRL assigned to *pcrl.
893 * In any case (also on error) the caller is responsible for freeing all members
894 * of *pcerts and *pcrls (as far as they are not NULL).
895 */
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)896 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
897 const char *pass, const char *desc, int quiet,
898 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
899 EVP_PKEY **pparams,
900 X509 **pcert, STACK_OF(X509) **pcerts,
901 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
902 {
903 PW_CB_DATA uidata;
904 OSSL_STORE_CTX *ctx = NULL;
905 OSSL_LIB_CTX *libctx = app_get0_libctx();
906 const char *propq = app_get0_propq();
907 int ncerts = 0, ncrls = 0, expect = -1;
908 const char *failed = FAIL_NAME;
909 const char *input_type;
910 OSSL_PARAM itp[2];
911 const OSSL_PARAM *params = NULL;
912
913 /* 'failed' describes type of credential to load for potential error msg */
914 if (failed == NULL) {
915 if (!quiet)
916 BIO_printf(bio_err, "Internal error: nothing was requested to load from %s\n",
917 uri != NULL ? uri : "<stdin>");
918 return 0;
919 }
920 /* suppress any extraneous errors left over from failed parse attempts */
921 ERR_set_mark();
922
923 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY);
924 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY);
925 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS);
926 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT);
927 /*
928 * Up to here, the following holds.
929 * If just one of the ppkey, ppubkey, pparams, and pcert function parameters
930 * is nonzero, expect > 0 indicates which type of credential is expected.
931 * If expect == 0, more than one of them is nonzero (multiple types expected).
932 */
933
934 if (pcerts != NULL) {
935 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
936 if (!quiet)
937 BIO_printf(bio_err, "Out of memory loading");
938 goto end;
939 }
940 /*
941 * Adapt the 'expect' variable:
942 * set to OSSL_STORE_INFO_CERT if no other type is expected so far,
943 * otherwise set to 0 (indicating that multiple types are expected).
944 */
945 SET_EXPECT(OSSL_STORE_INFO_CERT);
946 }
947 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL);
948 if (pcrls != NULL) {
949 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
950 if (!quiet)
951 BIO_printf(bio_err, "Out of memory loading");
952 goto end;
953 }
954 /*
955 * Adapt the 'expect' variable:
956 * set to OSSL_STORE_INFO_CRL if no other type is expected so far,
957 * otherwise set to 0 (indicating that multiple types are expected).
958 */
959 SET_EXPECT(OSSL_STORE_INFO_CRL);
960 }
961
962 uidata.password = pass;
963 uidata.prompt_info = uri;
964
965 if ((input_type = format2string(format)) != NULL) {
966 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
967 (char *)input_type, 0);
968 itp[1] = OSSL_PARAM_construct_end();
969 params = itp;
970 }
971
972 if (uri == NULL) {
973 BIO *bio;
974
975 if (!maybe_stdin) {
976 if (!quiet)
977 BIO_printf(bio_err, "No filename or uri specified for loading\n");
978 goto end;
979 }
980 uri = "<stdin>";
981 unbuffer(stdin);
982 bio = BIO_new_fp(stdin, 0);
983 if (bio != NULL) {
984 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
985 get_ui_method(), &uidata, params,
986 NULL, NULL);
987 BIO_free(bio);
988 }
989 } else {
990 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
991 params, NULL, NULL);
992 }
993 if (ctx == NULL) {
994 if (!quiet)
995 BIO_printf(bio_err, "Could not open file or uri for loading");
996 goto end;
997 }
998 /* expect == 0 means here multiple types of credentials are to be loaded */
999 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) {
1000 if (!quiet)
1001 BIO_printf(bio_err, "Internal error trying to load");
1002 goto end;
1003 }
1004
1005 failed = NULL;
1006 /* from here, failed != NULL only if actually an error has been detected */
1007
1008 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL
1009 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL)
1010 && !OSSL_STORE_eof(ctx)) {
1011 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
1012 int type, ok = 1;
1013
1014 /*
1015 * This can happen (for example) if we attempt to load a file with
1016 * multiple different types of things in it - but the thing we just
1017 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
1018 * to load a certificate but the file has both the private key and the
1019 * certificate in it. We just retry until eof.
1020 */
1021 if (info == NULL) {
1022 continue;
1023 }
1024
1025 type = OSSL_STORE_INFO_get_type(info);
1026 switch (type) {
1027 case OSSL_STORE_INFO_PKEY:
1028 if (ppkey != NULL) {
1029 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
1030 if (ok)
1031 ppkey = NULL;
1032 break;
1033 }
1034 /*
1035 * An EVP_PKEY with private parts also holds the public parts,
1036 * so if the caller asked for a public key, and we got a private
1037 * key, we can still pass it back.
1038 */
1039 /* fall through */
1040 case OSSL_STORE_INFO_PUBKEY:
1041 if (ppubkey != NULL) {
1042 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL;
1043 if (ok)
1044 ppubkey = NULL;
1045 }
1046 break;
1047 case OSSL_STORE_INFO_PARAMS:
1048 if (pparams != NULL) {
1049 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL;
1050 if (ok)
1051 pparams = NULL;
1052 }
1053 break;
1054 case OSSL_STORE_INFO_CERT:
1055 if (pcert != NULL) {
1056 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1057 if (ok)
1058 pcert = NULL;
1059 } else if (pcerts != NULL) {
1060 X509 *cert = OSSL_STORE_INFO_get1_CERT(info);
1061
1062 ok = cert != NULL
1063 && X509_add_cert(*pcerts, cert, X509_ADD_FLAG_DEFAULT);
1064 if (!ok)
1065 X509_free(cert);
1066 }
1067 ncerts += ok;
1068 break;
1069 case OSSL_STORE_INFO_CRL:
1070 if (pcrl != NULL) {
1071 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1072 if (ok)
1073 pcrl = NULL;
1074 } else if (pcrls != NULL) {
1075 X509_CRL *crl = OSSL_STORE_INFO_get1_CRL(info);
1076
1077 ok = crl != NULL && sk_X509_CRL_push(*pcrls, crl);
1078 if (!ok)
1079 X509_CRL_free(crl);
1080 }
1081 ncrls += ok;
1082 break;
1083 default:
1084 /* skip any other type; ok stays == 1 */
1085 break;
1086 }
1087 OSSL_STORE_INFO_free(info);
1088 if (!ok) {
1089 failed = OSSL_STORE_INFO_type_string(type);
1090 if (!quiet)
1091 BIO_printf(bio_err, "Error reading");
1092 break;
1093 }
1094 }
1095
1096 end:
1097 OSSL_STORE_close(ctx);
1098
1099 /* see if any of the requested types of credentials was not found */
1100 if (failed == NULL) {
1101 if (ncerts > 0)
1102 pcerts = NULL;
1103 if (ncrls > 0)
1104 pcrls = NULL;
1105 failed = FAIL_NAME;
1106 if (failed != NULL && !quiet)
1107 BIO_printf(bio_err, "Could not find");
1108 }
1109
1110 if (failed != NULL && !quiet) {
1111 unsigned long err = ERR_peek_last_error();
1112
1113 /* continue the error message with the type of credential affected */
1114 if (desc != NULL && strstr(desc, failed) != NULL) {
1115 BIO_printf(bio_err, " %s", desc);
1116 } else {
1117 BIO_printf(bio_err, " %s", failed);
1118 if (desc != NULL)
1119 BIO_printf(bio_err, " of %s", desc);
1120 }
1121 if (uri != NULL)
1122 BIO_printf(bio_err, " from %s", uri);
1123 if (ERR_SYSTEM_ERROR(err)) {
1124 /* provide more readable diagnostic output */
1125 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1126 ERR_pop_to_mark();
1127 ERR_set_mark();
1128 }
1129 BIO_printf(bio_err, "\n");
1130 ERR_print_errors(bio_err);
1131 }
1132 if (quiet || failed == NULL)
1133 /* clear any suppressed or spurious errors */
1134 ERR_pop_to_mark();
1135 else
1136 ERR_clear_last_mark();
1137 return failed == NULL;
1138 }
1139
1140 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1141 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */
1142 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */
1143 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */
1144 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */
1145
1146 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1147
set_cert_ex(unsigned long * flags,const char * arg)1148 int set_cert_ex(unsigned long *flags, const char *arg)
1149 {
1150 static const NAME_EX_TBL cert_tbl[] = {
1151 { "compatible", X509_FLAG_COMPAT, 0xffffffffl },
1152 { "ca_default", X509_FLAG_CA, 0xffffffffl },
1153 { "no_header", X509_FLAG_NO_HEADER, 0 },
1154 { "no_version", X509_FLAG_NO_VERSION, 0 },
1155 { "no_serial", X509_FLAG_NO_SERIAL, 0 },
1156 { "no_signame", X509_FLAG_NO_SIGNAME, 0 },
1157 { "no_validity", X509_FLAG_NO_VALIDITY, 0 },
1158 { "no_subject", X509_FLAG_NO_SUBJECT, 0 },
1159 { "no_issuer", X509_FLAG_NO_ISSUER, 0 },
1160 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0 },
1161 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0 },
1162 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0 },
1163 { "no_aux", X509_FLAG_NO_AUX, 0 },
1164 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0 },
1165 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK },
1166 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK },
1167 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK },
1168 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK },
1169 { NULL, 0, 0 }
1170 };
1171 return set_multi_opts(flags, arg, cert_tbl);
1172 }
1173
set_name_ex(unsigned long * flags,const char * arg)1174 int set_name_ex(unsigned long *flags, const char *arg)
1175 {
1176 static const NAME_EX_TBL ex_tbl[] = {
1177 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0 },
1178 { "esc_2254", ASN1_STRFLGS_ESC_2254, 0 },
1179 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0 },
1180 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0 },
1181 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0 },
1182 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0 },
1183 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0 },
1184 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0 },
1185 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0 },
1186 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0 },
1187 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0 },
1188 { "compat", XN_FLAG_COMPAT, 0xffffffffL },
1189 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK },
1190 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK },
1191 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK },
1192 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK },
1193 { "dn_rev", XN_FLAG_DN_REV, 0 },
1194 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK },
1195 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK },
1196 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK },
1197 { "align", XN_FLAG_FN_ALIGN, 0 },
1198 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK },
1199 { "space_eq", XN_FLAG_SPC_EQ, 0 },
1200 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0 },
1201 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL },
1202 { "oneline", XN_FLAG_ONELINE, 0xffffffffL },
1203 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL },
1204 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL },
1205 { NULL, 0, 0 }
1206 };
1207 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1208 return 0;
1209 if (*flags != XN_FLAG_COMPAT
1210 && (*flags & XN_FLAG_SEP_MASK) == 0)
1211 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1212 return 1;
1213 }
1214
set_dateopt(unsigned long * dateopt,const char * arg)1215 int set_dateopt(unsigned long *dateopt, const char *arg)
1216 {
1217 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1218 *dateopt = ASN1_DTFLGS_RFC822;
1219 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1220 *dateopt = ASN1_DTFLGS_ISO8601;
1221 else
1222 return 0;
1223 return 1;
1224 }
1225
set_ext_copy(int * copy_type,const char * arg)1226 int set_ext_copy(int *copy_type, const char *arg)
1227 {
1228 if (OPENSSL_strcasecmp(arg, "none") == 0)
1229 *copy_type = EXT_COPY_NONE;
1230 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1231 *copy_type = EXT_COPY_ADD;
1232 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1233 *copy_type = EXT_COPY_ALL;
1234 else
1235 return 0;
1236 return 1;
1237 }
1238
copy_extensions(X509 * x,X509_REQ * req,int copy_type)1239 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1240 {
1241 STACK_OF(X509_EXTENSION) *exts;
1242 int i, ret = 0;
1243
1244 if (x == NULL || req == NULL)
1245 return 0;
1246 if (copy_type == EXT_COPY_NONE)
1247 return 1;
1248 exts = X509_REQ_get_extensions(req);
1249
1250 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1251 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1252 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1253 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1254
1255 /* Does extension exist in target? */
1256 if (idx != -1) {
1257 /* If normal copy don't override existing extension */
1258 if (copy_type == EXT_COPY_ADD)
1259 continue;
1260 /* Delete all extensions of same type */
1261 do {
1262 X509_EXTENSION_free(X509_delete_ext(x, idx));
1263 idx = X509_get_ext_by_OBJ(x, obj, -1);
1264 } while (idx != -1);
1265 }
1266 if (!X509_add_ext(x, ext, -1))
1267 goto end;
1268 }
1269 ret = 1;
1270
1271 end:
1272 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1273 return ret;
1274 }
1275
set_multi_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1276 static int set_multi_opts(unsigned long *flags, const char *arg,
1277 const NAME_EX_TBL *in_tbl)
1278 {
1279 STACK_OF(CONF_VALUE) *vals;
1280 CONF_VALUE *val;
1281 int i, ret = 1;
1282
1283 if (!arg)
1284 return 0;
1285 vals = X509V3_parse_list(arg);
1286 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1287 val = sk_CONF_VALUE_value(vals, i);
1288 if (!set_table_opts(flags, val->name, in_tbl))
1289 ret = 0;
1290 }
1291 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1292 return ret;
1293 }
1294
set_table_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1295 static int set_table_opts(unsigned long *flags, const char *arg,
1296 const NAME_EX_TBL *in_tbl)
1297 {
1298 char c;
1299 const NAME_EX_TBL *ptbl;
1300
1301 c = arg[0];
1302 if (c == '-') {
1303 c = 0;
1304 arg++;
1305 } else if (c == '+') {
1306 c = 1;
1307 arg++;
1308 } else {
1309 c = 1;
1310 }
1311
1312 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1313 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1314 *flags &= ~ptbl->mask;
1315 if (c)
1316 *flags |= ptbl->flag;
1317 else
1318 *flags &= ~ptbl->flag;
1319 return 1;
1320 }
1321 }
1322 return 0;
1323 }
1324
print_name(BIO * out,const char * title,const X509_NAME * nm)1325 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1326 {
1327 char *buf;
1328 char mline = 0;
1329 int indent = 0;
1330 unsigned long lflags = get_nameopt();
1331
1332 if (out == NULL)
1333 return;
1334 if (title != NULL)
1335 BIO_puts(out, title);
1336 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1337 mline = 1;
1338 indent = 4;
1339 }
1340 if (lflags == XN_FLAG_COMPAT) {
1341 buf = X509_NAME_oneline(nm, 0, 0);
1342 BIO_puts(out, buf);
1343 BIO_puts(out, "\n");
1344 OPENSSL_free(buf);
1345 } else {
1346 if (mline)
1347 BIO_puts(out, "\n");
1348 X509_NAME_print_ex(out, nm, indent, lflags);
1349 BIO_puts(out, "\n");
1350 }
1351 }
1352
print_bignum_var(BIO * out,const BIGNUM * in,const char * var,int len,unsigned char * buffer)1353 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1354 int len, unsigned char *buffer)
1355 {
1356 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1357 if (BN_is_zero(in)) {
1358 BIO_printf(out, "\n 0x00");
1359 } else {
1360 int i, l;
1361
1362 l = BN_bn2bin(in, buffer);
1363 for (i = 0; i < l; i++) {
1364 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1365 if (i < l - 1)
1366 BIO_printf(out, "0x%02X,", buffer[i]);
1367 else
1368 BIO_printf(out, "0x%02X", buffer[i]);
1369 }
1370 }
1371 BIO_printf(out, "\n };\n");
1372 }
1373
print_array(BIO * out,const char * title,int len,const unsigned char * d)1374 void print_array(BIO *out, const char *title, int len, const unsigned char *d)
1375 {
1376 int i;
1377
1378 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1379 for (i = 0; i < len; i++) {
1380 if ((i % 10) == 0)
1381 BIO_printf(out, "\n ");
1382 if (i < len - 1)
1383 BIO_printf(out, "0x%02X, ", d[i]);
1384 else
1385 BIO_printf(out, "0x%02X", d[i]);
1386 }
1387 BIO_printf(out, "\n};\n");
1388 }
1389
setup_verify(const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)1390 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1391 const char *CApath, int noCApath,
1392 const char *CAstore, int noCAstore)
1393 {
1394 X509_STORE *store = X509_STORE_new();
1395 X509_LOOKUP *lookup;
1396 OSSL_LIB_CTX *libctx = app_get0_libctx();
1397 const char *propq = app_get0_propq();
1398
1399 if (store == NULL)
1400 goto end;
1401
1402 if (CAfile != NULL || !noCAfile) {
1403 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1404 if (lookup == NULL)
1405 goto end;
1406 if (CAfile != NULL) {
1407 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1408 libctx, propq)
1409 <= 0) {
1410 ERR_clear_error();
1411 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1,
1412 libctx, propq)
1413 <= 0) {
1414 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1415 goto end;
1416 }
1417 }
1418 } else {
1419 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1420 libctx, propq);
1421 }
1422 }
1423
1424 if (CApath != NULL || !noCApath) {
1425 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1426 if (lookup == NULL)
1427 goto end;
1428 if (CApath != NULL) {
1429 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1430 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1431 goto end;
1432 }
1433 } else {
1434 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1435 }
1436 }
1437
1438 if (CAstore != NULL || !noCAstore) {
1439 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1440 if (lookup == NULL)
1441 goto end;
1442 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1443 if (CAstore != NULL)
1444 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1445 goto end;
1446 }
1447 }
1448
1449 ERR_clear_error();
1450 return store;
1451 end:
1452 ERR_print_errors(bio_err);
1453 X509_STORE_free(store);
1454 return NULL;
1455 }
1456
index_serial_hash(const OPENSSL_CSTRING * a)1457 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1458 {
1459 const char *n;
1460
1461 n = a[DB_serial];
1462 while (*n == '0')
1463 n++;
1464 return OPENSSL_LH_strhash(n);
1465 }
1466
index_serial_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1467 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1468 const OPENSSL_CSTRING *b)
1469 {
1470 const char *aa, *bb;
1471
1472 for (aa = a[DB_serial]; *aa == '0'; aa++)
1473 ;
1474 for (bb = b[DB_serial]; *bb == '0'; bb++)
1475 ;
1476 return strcmp(aa, bb);
1477 }
1478
index_name_qual(char ** a)1479 static int index_name_qual(char **a)
1480 {
1481 return (a[0][0] == 'V');
1482 }
1483
index_name_hash(const OPENSSL_CSTRING * a)1484 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1485 {
1486 return OPENSSL_LH_strhash(a[DB_name]);
1487 }
1488
index_name_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1489 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1490 {
1491 return strcmp(a[DB_name], b[DB_name]);
1492 }
1493
IMPLEMENT_LHASH_HASH_FN(index_serial,OPENSSL_CSTRING)1494 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1495 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1496 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1497 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1498 #undef BSIZE
1499 #define BSIZE 256
1500 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1501 ASN1_INTEGER **retai)
1502 {
1503 BIO *in = NULL;
1504 BIGNUM *ret = NULL;
1505 char buf[1024];
1506 ASN1_INTEGER *ai = NULL;
1507
1508 ai = ASN1_INTEGER_new();
1509 if (ai == NULL)
1510 goto err;
1511
1512 in = BIO_new_file(serialfile, "r");
1513 if (exists != NULL)
1514 *exists = in != NULL;
1515 if (in == NULL) {
1516 if (!create) {
1517 perror(serialfile);
1518 goto err;
1519 }
1520 ERR_clear_error();
1521 ret = BN_new();
1522 if (ret == NULL) {
1523 BIO_printf(bio_err, "Out of memory\n");
1524 } else if (!rand_serial(ret, ai)) {
1525 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1526 serialfile);
1527 BN_free(ret);
1528 ret = NULL;
1529 }
1530 } else {
1531 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1532 BIO_printf(bio_err, "Unable to load number from %s\n",
1533 serialfile);
1534 goto err;
1535 }
1536 ret = ASN1_INTEGER_to_BN(ai, NULL);
1537 if (ret == NULL) {
1538 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1539 goto err;
1540 }
1541 }
1542
1543 if (ret != NULL && retai != NULL) {
1544 *retai = ai;
1545 ai = NULL;
1546 }
1547 err:
1548 if (ret == NULL)
1549 ERR_print_errors(bio_err);
1550 BIO_free(in);
1551 ASN1_INTEGER_free(ai);
1552 return ret;
1553 }
1554
save_serial(const char * serialfile,const char * suffix,const BIGNUM * serial,ASN1_INTEGER ** retai)1555 int save_serial(const char *serialfile, const char *suffix,
1556 const BIGNUM *serial, ASN1_INTEGER **retai)
1557 {
1558 char buf[1][BSIZE];
1559 BIO *out = NULL;
1560 int ret = 0;
1561 ASN1_INTEGER *ai = NULL;
1562 int j;
1563
1564 if (suffix == NULL)
1565 j = strlen(serialfile);
1566 else
1567 j = strlen(serialfile) + strlen(suffix) + 1;
1568 if (j >= BSIZE) {
1569 BIO_printf(bio_err, "File name too long\n");
1570 goto err;
1571 }
1572
1573 if (suffix == NULL) {
1574 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1575 } else {
1576 #ifndef OPENSSL_SYS_VMS
1577 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1578 #else
1579 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1580 #endif
1581 }
1582 out = BIO_new_file(buf[0], "w");
1583 if (out == NULL) {
1584 goto err;
1585 }
1586
1587 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1588 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1589 goto err;
1590 }
1591 i2a_ASN1_INTEGER(out, ai);
1592 BIO_puts(out, "\n");
1593 ret = 1;
1594 if (retai) {
1595 *retai = ai;
1596 ai = NULL;
1597 }
1598 err:
1599 if (!ret)
1600 ERR_print_errors(bio_err);
1601 BIO_free_all(out);
1602 ASN1_INTEGER_free(ai);
1603 return ret;
1604 }
1605
rotate_serial(const char * serialfile,const char * new_suffix,const char * old_suffix)1606 int rotate_serial(const char *serialfile, const char *new_suffix,
1607 const char *old_suffix)
1608 {
1609 char buf[2][BSIZE];
1610 int i, j;
1611
1612 i = strlen(serialfile) + strlen(old_suffix);
1613 j = strlen(serialfile) + strlen(new_suffix);
1614 if (i > j)
1615 j = i;
1616 if (j + 1 >= BSIZE) {
1617 BIO_printf(bio_err, "File name too long\n");
1618 goto err;
1619 }
1620 #ifndef OPENSSL_SYS_VMS
1621 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1622 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1623 #else
1624 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1625 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1626 #endif
1627 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1628 #ifdef ENOTDIR
1629 && errno != ENOTDIR
1630 #endif
1631 ) {
1632 BIO_printf(bio_err,
1633 "Unable to rename %s to %s\n", serialfile, buf[1]);
1634 perror("reason");
1635 goto err;
1636 }
1637 if (rename(buf[0], serialfile) < 0) {
1638 BIO_printf(bio_err,
1639 "Unable to rename %s to %s\n", buf[0], serialfile);
1640 perror("reason");
1641 rename(buf[1], serialfile);
1642 goto err;
1643 }
1644 return 1;
1645 err:
1646 ERR_print_errors(bio_err);
1647 return 0;
1648 }
1649
rand_serial(BIGNUM * b,ASN1_INTEGER * ai)1650 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1651 {
1652 BIGNUM *btmp;
1653 int ret = 0;
1654
1655 btmp = b == NULL ? BN_new() : b;
1656 if (btmp == NULL)
1657 return 0;
1658
1659 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1660 goto error;
1661 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1662 goto error;
1663
1664 ret = 1;
1665
1666 error:
1667
1668 if (btmp != b)
1669 BN_free(btmp);
1670
1671 return ret;
1672 }
1673
load_index(const char * dbfile,DB_ATTR * db_attr)1674 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1675 {
1676 CA_DB *retdb = NULL;
1677 TXT_DB *tmpdb = NULL;
1678 BIO *in;
1679 CONF *dbattr_conf = NULL;
1680 char buf[BSIZE];
1681 #ifndef OPENSSL_NO_POSIX_IO
1682 FILE *dbfp;
1683 struct stat dbst;
1684 #endif
1685
1686 in = BIO_new_file(dbfile, "r");
1687 if (in == NULL)
1688 goto err;
1689
1690 #ifndef OPENSSL_NO_POSIX_IO
1691 if (BIO_get_fp(in, &dbfp) > 0 && dbfp != NULL) {
1692 if (fstat(fileno(dbfp), &dbst) == -1) {
1693 ERR_raise_data(ERR_LIB_SYS, errno,
1694 "calling fstat(%s)", dbfile);
1695 goto err;
1696 }
1697 } else {
1698 if (stat(dbfile, &dbst) == -1) {
1699 ERR_raise_data(ERR_LIB_SYS, errno,
1700 "calling stat(%s)", dbfile);
1701 goto err;
1702 }
1703 }
1704 #endif
1705
1706 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1707 goto err;
1708
1709 #ifndef OPENSSL_SYS_VMS
1710 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1711 #else
1712 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1713 #endif
1714 dbattr_conf = app_load_config_quiet(buf);
1715
1716 retdb = app_malloc(sizeof(*retdb), "new DB");
1717 retdb->db = tmpdb;
1718 tmpdb = NULL;
1719 if (db_attr)
1720 retdb->attributes = *db_attr;
1721 else
1722 retdb->attributes.unique_subject = 1;
1723
1724 if (dbattr_conf != NULL) {
1725 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject");
1726
1727 if (p != NULL)
1728 retdb->attributes.unique_subject = parse_yesno(p, 1);
1729 }
1730
1731 retdb->dbfname = OPENSSL_strdup(dbfile);
1732 if (retdb->dbfname == NULL) {
1733 TXT_DB_free(retdb->db);
1734 retdb->db = NULL;
1735 OPENSSL_free(retdb);
1736 retdb = NULL;
1737 ERR_raise_data(ERR_LIB_SYS, errno, "Out of memory while copying filename: %s", dbfile);
1738 goto err;
1739 }
1740
1741 #ifndef OPENSSL_NO_POSIX_IO
1742 retdb->dbst = dbst;
1743 #endif
1744
1745 err:
1746 ERR_print_errors(bio_err);
1747 NCONF_free(dbattr_conf);
1748 TXT_DB_free(tmpdb);
1749 BIO_free_all(in);
1750 return retdb;
1751 }
1752
1753 /*
1754 * Returns > 0 on success, <= 0 on error
1755 */
index_index(CA_DB * db)1756 int index_index(CA_DB *db)
1757 {
1758 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1759 LHASH_HASH_FN(index_serial),
1760 LHASH_COMP_FN(index_serial))) {
1761 BIO_printf(bio_err,
1762 "Error creating serial number index:(%ld,%ld,%ld)\n",
1763 db->db->error, db->db->arg1, db->db->arg2);
1764 goto err;
1765 }
1766
1767 if (db->attributes.unique_subject
1768 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1769 LHASH_HASH_FN(index_name),
1770 LHASH_COMP_FN(index_name))) {
1771 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1772 db->db->error, db->db->arg1, db->db->arg2);
1773 goto err;
1774 }
1775 return 1;
1776 err:
1777 ERR_print_errors(bio_err);
1778 return 0;
1779 }
1780
save_index(const char * dbfile,const char * suffix,CA_DB * db)1781 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1782 {
1783 char buf[3][BSIZE];
1784 BIO *out;
1785 int j;
1786
1787 j = strlen(dbfile) + strlen(suffix);
1788 if (j + 6 >= BSIZE) {
1789 BIO_printf(bio_err, "File name too long\n");
1790 goto err;
1791 }
1792 #ifndef OPENSSL_SYS_VMS
1793 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1794 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1795 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1796 #else
1797 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1798 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1799 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1800 #endif
1801 out = BIO_new_file(buf[0], "w");
1802 if (out == NULL) {
1803 perror(dbfile);
1804 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1805 goto err;
1806 }
1807 j = TXT_DB_write(out, db->db);
1808 BIO_free(out);
1809 if (j <= 0)
1810 goto err;
1811
1812 out = BIO_new_file(buf[1], "w");
1813 if (out == NULL) {
1814 perror(buf[2]);
1815 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1816 goto err;
1817 }
1818 BIO_printf(out, "unique_subject = %s\n",
1819 db->attributes.unique_subject ? "yes" : "no");
1820 BIO_free(out);
1821
1822 return 1;
1823 err:
1824 ERR_print_errors(bio_err);
1825 return 0;
1826 }
1827
rotate_index(const char * dbfile,const char * new_suffix,const char * old_suffix)1828 int rotate_index(const char *dbfile, const char *new_suffix,
1829 const char *old_suffix)
1830 {
1831 char buf[5][BSIZE];
1832 int i, j;
1833
1834 i = strlen(dbfile) + strlen(old_suffix);
1835 j = strlen(dbfile) + strlen(new_suffix);
1836 if (i > j)
1837 j = i;
1838 if (j + 6 >= BSIZE) {
1839 BIO_printf(bio_err, "File name too long\n");
1840 goto err;
1841 }
1842 #ifndef OPENSSL_SYS_VMS
1843 BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1844 BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1845 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1846 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1847 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1848 #else
1849 BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1850 BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1851 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1852 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1853 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1854 #endif
1855 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1856 #ifdef ENOTDIR
1857 && errno != ENOTDIR
1858 #endif
1859 ) {
1860 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1861 perror("reason");
1862 goto err;
1863 }
1864 if (rename(buf[0], dbfile) < 0) {
1865 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1866 perror("reason");
1867 rename(buf[1], dbfile);
1868 goto err;
1869 }
1870 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1871 #ifdef ENOTDIR
1872 && errno != ENOTDIR
1873 #endif
1874 ) {
1875 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1876 perror("reason");
1877 rename(dbfile, buf[0]);
1878 rename(buf[1], dbfile);
1879 goto err;
1880 }
1881 if (rename(buf[2], buf[4]) < 0) {
1882 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1883 perror("reason");
1884 rename(buf[3], buf[4]);
1885 rename(dbfile, buf[0]);
1886 rename(buf[1], dbfile);
1887 goto err;
1888 }
1889 return 1;
1890 err:
1891 ERR_print_errors(bio_err);
1892 return 0;
1893 }
1894
free_index(CA_DB * db)1895 void free_index(CA_DB *db)
1896 {
1897 if (db) {
1898 TXT_DB_free(db->db);
1899 OPENSSL_free(db->dbfname);
1900 OPENSSL_free(db);
1901 }
1902 }
1903
parse_yesno(const char * str,int def)1904 int parse_yesno(const char *str, int def)
1905 {
1906 if (str) {
1907 switch (*str) {
1908 case 'f': /* false */
1909 case 'F': /* FALSE */
1910 case 'n': /* no */
1911 case 'N': /* NO */
1912 case '0': /* 0 */
1913 return 0;
1914 case 't': /* true */
1915 case 'T': /* TRUE */
1916 case 'y': /* yes */
1917 case 'Y': /* YES */
1918 case '1': /* 1 */
1919 return 1;
1920 }
1921 }
1922 return def;
1923 }
1924
1925 /*
1926 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1927 * where + can be used instead of / to form multi-valued RDNs if canmulti
1928 * and characters may be escaped by \
1929 */
parse_name(const char * cp,int chtype,int canmulti,const char * desc)1930 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1931 const char *desc)
1932 {
1933 int nextismulti = 0;
1934 char *work;
1935 X509_NAME *n;
1936
1937 if (*cp++ != '/') {
1938 BIO_printf(bio_err,
1939 "%s: %s name is expected to be in the format "
1940 "/type0=value0/type1=value1/type2=... where characters may "
1941 "be escaped by \\. This name is not in that format: '%s'\n",
1942 opt_getprog(), desc, --cp);
1943 return NULL;
1944 }
1945
1946 n = X509_NAME_new();
1947 if (n == NULL) {
1948 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1949 return NULL;
1950 }
1951 work = OPENSSL_strdup(cp);
1952 if (work == NULL) {
1953 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1954 opt_getprog(), desc);
1955 goto err;
1956 }
1957
1958 while (*cp != '\0') {
1959 char *bp = work;
1960 char *typestr = bp;
1961 unsigned char *valstr;
1962 int nid;
1963 int ismulti = nextismulti;
1964
1965 nextismulti = 0;
1966
1967 /* Collect the type */
1968 while (*cp != '\0' && *cp != '=')
1969 *bp++ = *cp++;
1970 *bp++ = '\0';
1971 if (*cp == '\0') {
1972 BIO_printf(bio_err,
1973 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1974 opt_getprog(), typestr, desc);
1975 goto err;
1976 }
1977 ++cp;
1978
1979 /* Collect the value. */
1980 valstr = (unsigned char *)bp;
1981 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1982 /* unescaped '+' symbol string signals further member of multiRDN */
1983 if (canmulti && *cp == '+') {
1984 nextismulti = 1;
1985 break;
1986 }
1987 if (*cp == '\\' && *++cp == '\0') {
1988 BIO_printf(bio_err,
1989 "%s: Escape character at end of %s name string\n",
1990 opt_getprog(), desc);
1991 goto err;
1992 }
1993 }
1994 *bp++ = '\0';
1995
1996 /* If not at EOS (must be + or /), move forward. */
1997 if (*cp != '\0')
1998 ++cp;
1999
2000 /* Parse */
2001 nid = OBJ_txt2nid(typestr);
2002 if (nid == NID_undef) {
2003 BIO_printf(bio_err,
2004 "%s warning: Skipping unknown %s name attribute \"%s\"\n",
2005 opt_getprog(), desc, typestr);
2006 if (ismulti)
2007 BIO_printf(bio_err,
2008 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n",
2009 opt_getprog());
2010 continue;
2011 }
2012 if (*valstr == '\0') {
2013 BIO_printf(bio_err,
2014 "%s warning: No value provided for %s name attribute \"%s\", skipped\n",
2015 opt_getprog(), desc, typestr);
2016 continue;
2017 }
2018 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
2019 valstr, strlen((char *)valstr),
2020 -1, ismulti ? -1 : 0)) {
2021 ERR_print_errors(bio_err);
2022 BIO_printf(bio_err,
2023 "%s: Error adding %s name attribute \"/%s=%s\"\n",
2024 opt_getprog(), desc, typestr, valstr);
2025 goto err;
2026 }
2027 }
2028
2029 OPENSSL_free(work);
2030 return n;
2031
2032 err:
2033 X509_NAME_free(n);
2034 OPENSSL_free(work);
2035 return NULL;
2036 }
2037
2038 /*
2039 * Read whole contents of a BIO into an allocated memory buffer.
2040 * The return value is one on success, zero on error.
2041 * If `maxlen` is non-zero, at most `maxlen` bytes are returned, or else, if
2042 * the input is longer than `maxlen`, an error is returned.
2043 * If `maxlen` is zero, the limit is effectively `SIZE_MAX`.
2044 */
bio_to_mem(unsigned char ** out,size_t * outlen,size_t maxlen,BIO * in)2045 int bio_to_mem(unsigned char **out, size_t *outlen, size_t maxlen, BIO *in)
2046 {
2047 unsigned char tbuf[4096];
2048 BIO *mem;
2049 BUF_MEM *bufm;
2050 size_t sz = 0;
2051 int len;
2052
2053 mem = BIO_new(BIO_s_mem());
2054 if (mem == NULL)
2055 return 0;
2056 for (;;) {
2057 if ((len = BIO_read(in, tbuf, 4096)) == 0)
2058 break;
2059 if (len < 0
2060 || BIO_write(mem, tbuf, len) != len
2061 || sz > SIZE_MAX - len
2062 || ((sz += len) > maxlen && maxlen != 0)) {
2063 BIO_free(mem);
2064 return 0;
2065 }
2066 }
2067
2068 /* So BIO_free orphans BUF_MEM */
2069 (void)BIO_set_close(mem, BIO_NOCLOSE);
2070 BIO_get_mem_ptr(mem, &bufm);
2071 BIO_free(mem);
2072 *out = (unsigned char *)bufm->data;
2073 *outlen = bufm->length;
2074 /* Tell BUF_MEM to orphan data */
2075 bufm->data = NULL;
2076 BUF_MEM_free(bufm);
2077 return 1;
2078 }
2079
pkey_ctrl_string(EVP_PKEY_CTX * ctx,const char * value)2080 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2081 {
2082 int rv = 0;
2083 char *stmp, *vtmp = NULL;
2084
2085 stmp = OPENSSL_strdup(value);
2086 if (stmp == NULL)
2087 return -1;
2088 vtmp = strchr(stmp, ':');
2089 if (vtmp == NULL)
2090 goto err;
2091
2092 *vtmp = 0;
2093 vtmp++;
2094 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2095
2096 err:
2097 OPENSSL_free(stmp);
2098 return rv;
2099 }
2100
nodes_print(const char * name,STACK_OF (X509_POLICY_NODE)* nodes)2101 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2102 {
2103 X509_POLICY_NODE *node;
2104 int i;
2105
2106 BIO_printf(bio_err, "%s Policies:", name);
2107 if (nodes) {
2108 BIO_puts(bio_err, "\n");
2109 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2110 node = sk_X509_POLICY_NODE_value(nodes, i);
2111 X509_POLICY_NODE_print(bio_err, node, 2);
2112 }
2113 } else {
2114 BIO_puts(bio_err, " <empty>\n");
2115 }
2116 }
2117
policies_print(X509_STORE_CTX * ctx)2118 void policies_print(X509_STORE_CTX *ctx)
2119 {
2120 X509_POLICY_TREE *tree;
2121 int explicit_policy;
2122
2123 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2124 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2125
2126 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2127 explicit_policy ? "True" : "False");
2128
2129 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2130 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2131 }
2132
2133 /*-
2134 * next_protos_parse parses a comma separated list of strings into a string
2135 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2136 * outlen: (output) set to the length of the resulting buffer on success.
2137 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2138 * in: a NUL terminated string like "abc,def,ghi"
2139 *
2140 * returns: a malloc'd buffer or NULL on failure.
2141 */
next_protos_parse(size_t * outlen,const char * in)2142 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2143 {
2144 size_t len;
2145 unsigned char *out;
2146 size_t i, start = 0;
2147 size_t skipped = 0;
2148
2149 len = strlen(in);
2150 if (len == 0 || len >= 65535)
2151 return NULL;
2152
2153 out = app_malloc(len + 1, "NPN buffer");
2154 for (i = 0; i <= len; ++i) {
2155 if (i == len || in[i] == ',') {
2156 /*
2157 * Zero-length ALPN elements are invalid on the wire, we could be
2158 * strict and reject the entire string, but just ignoring extra
2159 * commas seems harmless and more friendly.
2160 *
2161 * Every comma we skip in this way puts the input buffer another
2162 * byte ahead of the output buffer, so all stores into the output
2163 * buffer need to be decremented by the number commas skipped.
2164 */
2165 if (i == start) {
2166 ++start;
2167 ++skipped;
2168 continue;
2169 }
2170 if (i - start > 255) {
2171 OPENSSL_free(out);
2172 return NULL;
2173 }
2174 out[start - skipped] = (unsigned char)(i - start);
2175 start = i + 1;
2176 } else {
2177 out[i + 1 - skipped] = in[i];
2178 }
2179 }
2180
2181 if (len <= skipped) {
2182 OPENSSL_free(out);
2183 return NULL;
2184 }
2185
2186 *outlen = len + 1 - skipped;
2187 return out;
2188 }
2189
check_cert_attributes(BIO * bio,X509 * x,const char * checkhost,const char * checkemail,const char * checkip,int print)2190 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost,
2191 const char *checkemail, const char *checkip,
2192 int print)
2193 {
2194 int valid_host = 0;
2195 int valid_mail = 0;
2196 int valid_ip = 0;
2197 int ret = 1;
2198
2199 if (x == NULL)
2200 return 0;
2201
2202 if (checkhost != NULL) {
2203 valid_host = X509_check_host(x, checkhost, 0, 0, NULL);
2204 if (print)
2205 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2206 checkhost, valid_host == 1 ? "" : " NOT");
2207 ret = ret && valid_host > 0;
2208 }
2209
2210 if (checkemail != NULL) {
2211 valid_mail = X509_check_email(x, checkemail, 0, 0);
2212 if (print)
2213 BIO_printf(bio, "Email %s does%s match certificate\n",
2214 checkemail, valid_mail ? "" : " NOT");
2215 ret = ret && valid_mail > 0;
2216 }
2217
2218 if (checkip != NULL) {
2219 valid_ip = X509_check_ip_asc(x, checkip, 0);
2220 if (print)
2221 BIO_printf(bio, "IP %s does%s match certificate\n",
2222 checkip, valid_ip ? "" : " NOT");
2223 ret = ret && valid_ip > 0;
2224 }
2225
2226 return ret;
2227 }
2228
do_pkey_ctx_init(EVP_PKEY_CTX * pkctx,STACK_OF (OPENSSL_STRING)* opts)2229 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2230 {
2231 int i;
2232
2233 if (opts == NULL)
2234 return 1;
2235
2236 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2237 char *opt = sk_OPENSSL_STRING_value(opts, i);
2238
2239 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2240 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2241 ERR_print_errors(bio_err);
2242 return 0;
2243 }
2244 }
2245
2246 return 1;
2247 }
2248
do_x509_init(X509 * x,STACK_OF (OPENSSL_STRING)* opts)2249 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2250 {
2251 int i;
2252
2253 if (opts == NULL)
2254 return 1;
2255
2256 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2257 char *opt = sk_OPENSSL_STRING_value(opts, i);
2258
2259 if (x509_ctrl_string(x, opt) <= 0) {
2260 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2261 ERR_print_errors(bio_err);
2262 return 0;
2263 }
2264 }
2265
2266 return 1;
2267 }
2268
do_x509_req_init(X509_REQ * x,STACK_OF (OPENSSL_STRING)* opts)2269 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2270 {
2271 int i;
2272
2273 if (opts == NULL)
2274 return 1;
2275
2276 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2277 char *opt = sk_OPENSSL_STRING_value(opts, i);
2278
2279 if (x509_req_ctrl_string(x, opt) <= 0) {
2280 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2281 ERR_print_errors(bio_err);
2282 return 0;
2283 }
2284 }
2285
2286 return 1;
2287 }
2288
do_sign_init(EVP_MD_CTX * ctx,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2289 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2290 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2291 {
2292 EVP_PKEY_CTX *pkctx = NULL;
2293 char def_md[80];
2294
2295 if (ctx == NULL)
2296 return 0;
2297 /*
2298 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2299 * for this algorithm.
2300 */
2301 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2302 && strcmp(def_md, "UNDEF") == 0) {
2303 /* The signing algorithm requires there to be no digest */
2304 md = NULL;
2305 }
2306
2307 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2308 app_get0_propq(), pkey, NULL)
2309 && do_pkey_ctx_init(pkctx, sigopts);
2310 }
2311
adapt_keyid_ext(X509 * cert,X509V3_CTX * ext_ctx,const char * name,const char * value,int add_default)2312 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2313 const char *name, const char *value, int add_default)
2314 {
2315 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2316 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2317 int idx, rv = 0;
2318
2319 if (new_ext == NULL)
2320 return rv;
2321
2322 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2323 if (idx >= 0) {
2324 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2325 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext);
2326 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */
2327
2328 if (disabled) {
2329 X509_delete_ext(cert, idx);
2330 X509_EXTENSION_free(found_ext);
2331 } /* else keep existing key identifier, which might be outdated */
2332 rv = 1;
2333 } else {
2334 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2335 }
2336 X509_EXTENSION_free(new_ext);
2337 return rv;
2338 }
2339
cert_matches_key(const X509 * cert,const EVP_PKEY * pkey)2340 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey)
2341 {
2342 int match;
2343
2344 ERR_set_mark();
2345 match = X509_check_private_key(cert, pkey);
2346 ERR_pop_to_mark();
2347 return match;
2348 }
2349
2350 /* 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)2351 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md,
2352 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2353 {
2354 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2355 int self_sign;
2356 int rv = 0;
2357
2358 if (!force_v1) {
2359 if (!X509_set_version(cert, X509_VERSION_3))
2360 goto end;
2361
2362 /*
2363 * Add default SKID before AKID such that AKID can make use of it
2364 * in case the certificate is self-signed
2365 */
2366 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2367 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2368 goto end;
2369 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2370 self_sign = cert_matches_key(cert, pkey);
2371 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2372 "keyid, issuer", !self_sign))
2373 goto end;
2374 }
2375 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */
2376
2377 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2378 rv = (X509_sign_ctx(cert, mctx) > 0);
2379 end:
2380 EVP_MD_CTX_free(mctx);
2381 return rv;
2382 }
2383
2384 /* Sign the certificate request info */
do_X509_REQ_sign(X509_REQ * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2385 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2386 STACK_OF(OPENSSL_STRING) *sigopts)
2387 {
2388 int rv = 0;
2389 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2390
2391 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2392 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2393 EVP_MD_CTX_free(mctx);
2394 return rv;
2395 }
2396
2397 /* Sign the CRL info */
do_X509_CRL_sign(X509_CRL * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2398 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2399 STACK_OF(OPENSSL_STRING) *sigopts)
2400 {
2401 int rv = 0;
2402 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2403
2404 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2405 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2406 EVP_MD_CTX_free(mctx);
2407 return rv;
2408 }
2409
2410 /*
2411 * do_X509_verify returns 1 if the signature is valid,
2412 * 0 if the signature check fails, or -1 if error occurs.
2413 */
do_X509_verify(X509 * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2414 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2415 {
2416 int rv = 0;
2417
2418 if (do_x509_init(x, vfyopts) > 0)
2419 rv = X509_verify(x, pkey);
2420 else
2421 rv = -1;
2422 return rv;
2423 }
2424
2425 /*
2426 * do_X509_REQ_verify returns 1 if the signature is valid,
2427 * 0 if the signature check fails, or -1 if error occurs.
2428 */
do_X509_REQ_verify(X509_REQ * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2429 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2430 STACK_OF(OPENSSL_STRING) *vfyopts)
2431 {
2432 int rv = 0;
2433
2434 if (do_x509_req_init(x, vfyopts) > 0)
2435 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq());
2436 else
2437 rv = -1;
2438 return rv;
2439 }
2440
2441 /* Get first http URL from a DIST_POINT structure */
2442
get_dp_url(DIST_POINT * dp)2443 static const char *get_dp_url(DIST_POINT *dp)
2444 {
2445 GENERAL_NAMES *gens;
2446 GENERAL_NAME *gen;
2447 int i, gtype;
2448 ASN1_STRING *uri;
2449
2450 if (!dp->distpoint || dp->distpoint->type != 0)
2451 return NULL;
2452 gens = dp->distpoint->name.fullname;
2453 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2454 gen = sk_GENERAL_NAME_value(gens, i);
2455 uri = GENERAL_NAME_get0_value(gen, >ype);
2456 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2457 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2458
2459 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2460 return uptr;
2461 }
2462 }
2463 return NULL;
2464 }
2465
2466 /*
2467 * Look through a CRLDP structure and attempt to find an http URL to
2468 * downloads a CRL from.
2469 */
2470
load_crl_crldp(STACK_OF (DIST_POINT)* crldp)2471 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2472 {
2473 int i;
2474 const char *urlptr = NULL;
2475
2476 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2477 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2478
2479 urlptr = get_dp_url(dp);
2480 if (urlptr != NULL)
2481 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2482 }
2483 return NULL;
2484 }
2485
2486 /*
2487 * Example of downloading CRLs from CRLDP:
2488 * not usable for real world as it always downloads and doesn't cache anything.
2489 */
2490
STACK_OF(X509_CRL)2491 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2492 const X509_NAME *nm)
2493 {
2494 X509 *x;
2495 STACK_OF(X509_CRL) *crls = NULL;
2496 X509_CRL *crl;
2497 STACK_OF(DIST_POINT) *crldp;
2498
2499 crls = sk_X509_CRL_new_null();
2500 if (!crls)
2501 return NULL;
2502 x = X509_STORE_CTX_get_current_cert(ctx);
2503 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2504 crl = load_crl_crldp(crldp);
2505 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2506
2507 if (crl == NULL || !sk_X509_CRL_push(crls, crl))
2508 goto error;
2509
2510 /* Try to download delta CRL */
2511 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2512 crl = load_crl_crldp(crldp);
2513 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2514
2515 if (crl != NULL && !sk_X509_CRL_push(crls, crl))
2516 goto error;
2517
2518 return crls;
2519
2520 error:
2521 X509_CRL_free(crl);
2522 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2523 return NULL;
2524 }
2525
store_setup_crl_download(X509_STORE * st)2526 void store_setup_crl_download(X509_STORE *st)
2527 {
2528 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2529 }
2530
2531 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
tls_error_hint(void)2532 static const char *tls_error_hint(void)
2533 {
2534 unsigned long err = ERR_peek_error();
2535
2536 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2537 err = ERR_peek_last_error();
2538 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2539 return NULL; /* likely no TLS error */
2540
2541 switch (ERR_GET_REASON(err)) {
2542 case SSL_R_WRONG_VERSION_NUMBER:
2543 return "The server does not support (a suitable version of) TLS";
2544 case SSL_R_UNKNOWN_PROTOCOL:
2545 return "The server does not support HTTPS";
2546 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2547 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2548 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2549 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2550 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2551 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2552 default:
2553 return NULL; /* no hint available for TLS error */
2554 }
2555 }
2556
http_tls_shutdown(BIO * bio)2557 static BIO *http_tls_shutdown(BIO *bio)
2558 {
2559 if (bio != NULL) {
2560 BIO *cbio;
2561 const char *hint = tls_error_hint();
2562
2563 if (hint != NULL)
2564 BIO_printf(bio_err, "%s\n", hint);
2565 (void)ERR_set_mark();
2566 BIO_ssl_shutdown(bio);
2567 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2568 BIO_free(bio); /* SSL BIO */
2569 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2570 bio = cbio;
2571 }
2572 return bio;
2573 }
2574
2575 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
app_http_tls_cb(BIO * bio,void * arg,int connect,int detail)2576 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2577 {
2578 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2579 SSL_CTX *ssl_ctx = info->ssl_ctx;
2580
2581 if (ssl_ctx == NULL) /* not using TLS */
2582 return bio;
2583 if (connect) {
2584 SSL *ssl;
2585 BIO *sbio = NULL;
2586 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2587 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2588 const char *host = vpm == NULL ? NULL : X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2589
2590 /* adapt after fixing callback design flaw, see #17088 */
2591 if ((info->use_proxy
2592 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2593 NULL, NULL, /* no proxy credentials */
2594 info->timeout, bio_err, opt_getprog()))
2595 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2596 return NULL;
2597 }
2598 if ((ssl = SSL_new(ssl_ctx)) == NULL) {
2599 BIO_free(sbio);
2600 return NULL;
2601 }
2602
2603 if (vpm != NULL)
2604 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2605
2606 SSL_set_connect_state(ssl);
2607 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2608
2609 bio = BIO_push(sbio, bio);
2610 } else { /* disconnect from TLS */
2611 bio = http_tls_shutdown(bio);
2612 }
2613 return bio;
2614 }
2615
APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO * info)2616 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2617 {
2618 if (info != NULL) {
2619 SSL_CTX_free(info->ssl_ctx);
2620 OPENSSL_free(info);
2621 }
2622 }
2623
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)2624 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2625 const char *no_proxy, SSL_CTX *ssl_ctx,
2626 const STACK_OF(CONF_VALUE) *headers,
2627 long timeout, const char *expected_content_type,
2628 const ASN1_ITEM *it)
2629 {
2630 APP_HTTP_TLS_INFO info;
2631 char *server;
2632 char *port;
2633 int use_ssl;
2634 BIO *mem;
2635 ASN1_VALUE *resp = NULL;
2636
2637 if (url == NULL || it == NULL) {
2638 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2639 return NULL;
2640 }
2641
2642 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2643 NULL /* port_num, */, NULL, NULL, NULL))
2644 return NULL;
2645 if (use_ssl && ssl_ctx == NULL) {
2646 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2647 "missing SSL_CTX");
2648 goto end;
2649 }
2650 if (!use_ssl && ssl_ctx != NULL) {
2651 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2652 "SSL_CTX given but use_ssl == 0");
2653 goto end;
2654 }
2655
2656 info.server = server;
2657 info.port = port;
2658 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2659 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2660 info.timeout = timeout;
2661 info.ssl_ctx = ssl_ctx;
2662 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2663 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2664 expected_content_type, 1 /* expect_asn1 */,
2665 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2666 resp = ASN1_item_d2i_bio(it, mem, NULL);
2667 BIO_free(mem);
2668
2669 end:
2670 OPENSSL_free(server);
2671 OPENSSL_free(port);
2672 return resp;
2673 }
2674
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)2675 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2676 const char *path, const char *proxy,
2677 const char *no_proxy, SSL_CTX *ssl_ctx,
2678 const STACK_OF(CONF_VALUE) *headers,
2679 const char *content_type,
2680 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2681 const char *expected_content_type,
2682 long timeout, const ASN1_ITEM *rsp_it)
2683 {
2684 int use_ssl = ssl_ctx != NULL;
2685 APP_HTTP_TLS_INFO info;
2686 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2687 ASN1_VALUE *res;
2688
2689 if (req_mem == NULL)
2690 return NULL;
2691
2692 info.server = host;
2693 info.port = port;
2694 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2695 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2696 info.timeout = timeout;
2697 info.ssl_ctx = ssl_ctx;
2698 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2699 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2700 app_http_tls_cb, &info,
2701 0 /* buf_size */, headers, content_type, req_mem,
2702 expected_content_type, 1 /* expect_asn1 */,
2703 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2704 0 /* keep_alive */);
2705 BIO_free(req_mem);
2706 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2707 BIO_free(rsp);
2708 return res;
2709 }
2710
2711 #endif
2712
2713 /*
2714 * Platform-specific sections
2715 */
2716 #if defined(_WIN32)
2717 #ifdef fileno
2718 #undef fileno
2719 #define fileno(a) (int)_fileno(a)
2720 #endif
2721
2722 #include <windows.h>
2723 #include <tchar.h>
2724
WIN32_rename(const char * from,const char * to)2725 static int WIN32_rename(const char *from, const char *to)
2726 {
2727 TCHAR *tfrom = NULL, *tto;
2728 DWORD err;
2729 int ret = 0;
2730
2731 if (sizeof(TCHAR) == 1) {
2732 tfrom = (TCHAR *)from;
2733 tto = (TCHAR *)to;
2734 } else { /* UNICODE path */
2735 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2736
2737 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2738 if (tfrom == NULL)
2739 goto err;
2740 tto = tfrom + flen;
2741 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2742 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2743 #endif
2744 for (i = 0; i < flen; i++)
2745 tfrom[i] = (TCHAR)from[i];
2746 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2747 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2748 #endif
2749 for (i = 0; i < tlen; i++)
2750 tto[i] = (TCHAR)to[i];
2751 }
2752
2753 if (MoveFile(tfrom, tto))
2754 goto ok;
2755 err = GetLastError();
2756 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2757 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2758 goto ok;
2759 err = GetLastError();
2760 }
2761 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2762 errno = ENOENT;
2763 else if (err == ERROR_ACCESS_DENIED)
2764 errno = EACCES;
2765 else
2766 errno = EINVAL; /* we could map more codes... */
2767 err:
2768 ret = -1;
2769 ok:
2770 if (tfrom != NULL && tfrom != (TCHAR *)from)
2771 free(tfrom);
2772 return ret;
2773 }
2774 #endif
2775
2776 /* app_tminterval section */
2777 #if defined(_WIN32)
app_tminterval(int stop,int usertime)2778 double app_tminterval(int stop, int usertime)
2779 {
2780 FILETIME now;
2781 double ret = 0;
2782 static ULARGE_INTEGER tmstart;
2783 static int warning = 1;
2784 int use_GetSystemTime = 1;
2785 #ifdef _WIN32_WINNT
2786 static HANDLE proc = NULL;
2787
2788 if (proc == NULL) {
2789 if (check_winnt())
2790 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2791 GetCurrentProcessId());
2792 if (proc == NULL)
2793 proc = (HANDLE)-1;
2794 }
2795
2796 if (usertime && proc != (HANDLE)-1) {
2797 FILETIME junk;
2798
2799 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2800 use_GetSystemTime = 0;
2801 }
2802 #endif
2803 if (use_GetSystemTime) {
2804 SYSTEMTIME systime;
2805
2806 if (usertime && warning) {
2807 BIO_printf(bio_err, "To get meaningful results, run "
2808 "this program on idle system.\n");
2809 warning = 0;
2810 }
2811 GetSystemTime(&systime);
2812 SystemTimeToFileTime(&systime, &now);
2813 }
2814
2815 if (stop == TM_START) {
2816 tmstart.u.LowPart = now.dwLowDateTime;
2817 tmstart.u.HighPart = now.dwHighDateTime;
2818 } else {
2819 ULARGE_INTEGER tmstop;
2820
2821 tmstop.u.LowPart = now.dwLowDateTime;
2822 tmstop.u.HighPart = now.dwHighDateTime;
2823
2824 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2825 }
2826
2827 return ret;
2828 }
2829 #elif defined(OPENSSL_SYS_VXWORKS)
2830 #include <time.h>
2831
app_tminterval(int stop,int usertime)2832 double app_tminterval(int stop, int usertime)
2833 {
2834 double ret = 0;
2835 #ifdef CLOCK_REALTIME
2836 static struct timespec tmstart;
2837 struct timespec now;
2838 #else
2839 static unsigned long tmstart;
2840 unsigned long now;
2841 #endif
2842 static int warning = 1;
2843
2844 if (usertime && warning) {
2845 BIO_printf(bio_err, "To get meaningful results, run "
2846 "this program on idle system.\n");
2847 warning = 0;
2848 }
2849 #ifdef CLOCK_REALTIME
2850 clock_gettime(CLOCK_REALTIME, &now);
2851 if (stop == TM_START)
2852 tmstart = now;
2853 else
2854 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2855 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2856 #else
2857 now = tickGet();
2858 if (stop == TM_START)
2859 tmstart = now;
2860 else
2861 ret = (now - tmstart) / (double)sysClkRateGet();
2862 #endif
2863 return ret;
2864 }
2865
2866 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2867 #include <sys/times.h>
2868
app_tminterval(int stop,int usertime)2869 double app_tminterval(int stop, int usertime)
2870 {
2871 double ret = 0;
2872 struct tms rus;
2873 clock_t now = times(&rus);
2874 static clock_t tmstart;
2875
2876 if (usertime)
2877 now = rus.tms_utime;
2878
2879 if (stop == TM_START) {
2880 tmstart = now;
2881 } else {
2882 long int tck = sysconf(_SC_CLK_TCK);
2883
2884 ret = (now - tmstart) / (double)tck;
2885 }
2886
2887 return ret;
2888 }
2889
2890 #else
2891 #include <sys/time.h>
2892 #include <sys/resource.h>
2893
app_tminterval(int stop,int usertime)2894 double app_tminterval(int stop, int usertime)
2895 {
2896 double ret = 0;
2897 struct rusage rus;
2898 struct timeval now;
2899 static struct timeval tmstart;
2900
2901 if (usertime)
2902 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2903 else
2904 gettimeofday(&now, NULL);
2905
2906 if (stop == TM_START)
2907 tmstart = now;
2908 else
2909 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2910 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2911
2912 return ret;
2913 }
2914 #endif
2915
app_access(const char * name,int flag)2916 int app_access(const char *name, int flag)
2917 {
2918 #ifdef _WIN32
2919 return _access(name, flag);
2920 #else
2921 return access(name, flag);
2922 #endif
2923 }
2924
app_isdir(const char * name)2925 int app_isdir(const char *name)
2926 {
2927 return opt_isdir(name);
2928 }
2929
2930 /* raw_read|write section */
2931 #if defined(__VMS)
2932 #include "vms_term_sock.h"
2933 static int stdin_sock = -1;
2934
close_stdin_sock(void)2935 static void close_stdin_sock(void)
2936 {
2937 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock);
2938 }
2939
fileno_stdin(void)2940 int fileno_stdin(void)
2941 {
2942 if (stdin_sock == -1) {
2943 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2944 atexit(close_stdin_sock);
2945 }
2946
2947 return stdin_sock;
2948 }
2949 #else
fileno_stdin(void)2950 int fileno_stdin(void)
2951 {
2952 return fileno(stdin);
2953 }
2954 #endif
2955
fileno_stdout(void)2956 int fileno_stdout(void)
2957 {
2958 return fileno(stdout);
2959 }
2960
2961 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
raw_read_stdin(void * buf,int siz)2962 int raw_read_stdin(void *buf, int siz)
2963 {
2964 DWORD n;
2965
2966 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2967 return n;
2968 else
2969 return -1;
2970 }
2971 #elif defined(__VMS)
2972 #include <sys/socket.h>
2973
raw_read_stdin(void * buf,int siz)2974 int raw_read_stdin(void *buf, int siz)
2975 {
2976 return recv(fileno_stdin(), buf, siz, 0);
2977 }
2978 #else
raw_read_stdin(void * buf,int siz)2979 int raw_read_stdin(void *buf, int siz)
2980 {
2981 return read(fileno_stdin(), buf, siz);
2982 }
2983 #endif
2984
2985 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
raw_write_stdout(const void * buf,int siz)2986 int raw_write_stdout(const void *buf, int siz)
2987 {
2988 DWORD n;
2989
2990 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2991 return n;
2992 else
2993 return -1;
2994 }
2995 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \
2996 && defined(_SPT_MODEL_)
raw_write_stdout(const void * buf,int siz)2997 int raw_write_stdout(const void *buf, int siz)
2998 {
2999 return write(fileno(stdout), (void *)buf, siz);
3000 }
3001 #else
raw_write_stdout(const void * buf,int siz)3002 int raw_write_stdout(const void *buf, int siz)
3003 {
3004 return write(fileno_stdout(), buf, siz);
3005 }
3006 #endif
3007
3008 /*
3009 * Centralized handling of input and output files with format specification
3010 * The format is meant to show what the input and output is supposed to be,
3011 * and is therefore a show of intent more than anything else. However, it
3012 * does impact behavior on some platforms, such as differentiating between
3013 * text and binary input/output on non-Unix platforms
3014 */
dup_bio_in(int format)3015 BIO *dup_bio_in(int format)
3016 {
3017 return BIO_new_fp(stdin,
3018 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3019 }
3020
dup_bio_out(int format)3021 BIO *dup_bio_out(int format)
3022 {
3023 BIO *b = BIO_new_fp(stdout,
3024 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3025 void *prefix = NULL;
3026
3027 if (b == NULL)
3028 return NULL;
3029
3030 #ifdef OPENSSL_SYS_VMS
3031 if (FMT_istext(format))
3032 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3033 #endif
3034
3035 if (FMT_istext(format)
3036 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
3037 b = BIO_push(BIO_new(BIO_f_prefix()), b);
3038 BIO_set_prefix(b, prefix);
3039 }
3040
3041 return b;
3042 }
3043
dup_bio_err(int format)3044 BIO *dup_bio_err(int format)
3045 {
3046 BIO *b = BIO_new_fp(stderr,
3047 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3048
3049 #ifdef OPENSSL_SYS_VMS
3050 if (b != NULL && FMT_istext(format))
3051 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3052 #endif
3053 return b;
3054 }
3055
unbuffer(FILE * fp)3056 void unbuffer(FILE *fp)
3057 {
3058 /*
3059 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
3060 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
3061 * However, we trust that the C RTL will never give us a FILE pointer
3062 * above the first 4 GB of memory, so we simply turn off the warning
3063 * temporarily.
3064 */
3065 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3066 #pragma environment save
3067 #pragma message disable maylosedata2
3068 #endif
3069 setbuf(fp, NULL);
3070 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3071 #pragma environment restore
3072 #endif
3073 }
3074
modestr(char mode,int format)3075 static const char *modestr(char mode, int format)
3076 {
3077 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
3078
3079 switch (mode) {
3080 case 'a':
3081 return FMT_istext(format) ? "a" : "ab";
3082 case 'r':
3083 return FMT_istext(format) ? "r" : "rb";
3084 case 'w':
3085 return FMT_istext(format) ? "w" : "wb";
3086 }
3087 /* The assert above should make sure we never reach this point */
3088 return NULL;
3089 }
3090
modeverb(char mode)3091 static const char *modeverb(char mode)
3092 {
3093 switch (mode) {
3094 case 'a':
3095 return "appending";
3096 case 'r':
3097 return "reading";
3098 case 'w':
3099 return "writing";
3100 }
3101 return "(doing something)";
3102 }
3103
3104 /*
3105 * Open a file for writing, owner-read-only.
3106 */
bio_open_owner(const char * filename,int format,int private)3107 BIO *bio_open_owner(const char *filename, int format, int private)
3108 {
3109 FILE *fp = NULL;
3110 BIO *b = NULL;
3111 int textmode, bflags;
3112 #ifndef OPENSSL_NO_POSIX_IO
3113 int fd = -1, mode;
3114 #endif
3115
3116 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3117 return bio_open_default(filename, 'w', format);
3118
3119 textmode = FMT_istext(format);
3120 #ifndef OPENSSL_NO_POSIX_IO
3121 mode = O_WRONLY;
3122 #ifdef O_CREAT
3123 mode |= O_CREAT;
3124 #endif
3125 #ifdef O_TRUNC
3126 mode |= O_TRUNC;
3127 #endif
3128 if (!textmode) {
3129 #ifdef O_BINARY
3130 mode |= O_BINARY;
3131 #elif defined(_O_BINARY)
3132 mode |= _O_BINARY;
3133 #endif
3134 }
3135
3136 #ifdef OPENSSL_SYS_VMS
3137 /*
3138 * VMS doesn't have O_BINARY, it just doesn't make sense. But,
3139 * it still needs to know that we're going binary, or fdopen()
3140 * will fail with "invalid argument"... so we tell VMS what the
3141 * context is.
3142 */
3143 if (!textmode)
3144 fd = open(filename, mode, 0600, "ctx=bin");
3145 else
3146 #endif
3147 fd = open(filename, mode, 0600);
3148 if (fd < 0)
3149 goto err;
3150 fp = fdopen(fd, modestr('w', format));
3151 #else /* OPENSSL_NO_POSIX_IO */
3152 /* Have stdio but not Posix IO, do the best we can */
3153 fp = fopen(filename, modestr('w', format));
3154 #endif /* OPENSSL_NO_POSIX_IO */
3155 if (fp == NULL)
3156 goto err;
3157 bflags = BIO_CLOSE;
3158 if (textmode)
3159 bflags |= BIO_FP_TEXT;
3160 b = BIO_new_fp(fp, bflags);
3161 if (b != NULL)
3162 return b;
3163
3164 err:
3165 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3166 opt_getprog(), filename, strerror(errno));
3167 ERR_print_errors(bio_err);
3168 /* If we have fp, then fdopen took over fd, so don't close both. */
3169 if (fp != NULL)
3170 fclose(fp);
3171 #ifndef OPENSSL_NO_POSIX_IO
3172 else if (fd >= 0)
3173 close(fd);
3174 #endif
3175 return NULL;
3176 }
3177
bio_open_default_(const char * filename,char mode,int format,int quiet)3178 static BIO *bio_open_default_(const char *filename, char mode, int format,
3179 int quiet)
3180 {
3181 BIO *ret;
3182
3183 if (filename == NULL || strcmp(filename, "-") == 0) {
3184 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3185 if (quiet) {
3186 ERR_clear_error();
3187 return ret;
3188 }
3189 if (ret != NULL)
3190 return ret;
3191 BIO_printf(bio_err,
3192 "Can't open %s, %s\n",
3193 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3194 } else {
3195 ret = BIO_new_file(filename, modestr(mode, format));
3196 if (quiet) {
3197 ERR_clear_error();
3198 return ret;
3199 }
3200 if (ret != NULL)
3201 return ret;
3202 BIO_printf(bio_err,
3203 "Can't open \"%s\" for %s, %s\n",
3204 filename, modeverb(mode), strerror(errno));
3205 }
3206 ERR_print_errors(bio_err);
3207 return NULL;
3208 }
3209
bio_open_default(const char * filename,char mode,int format)3210 BIO *bio_open_default(const char *filename, char mode, int format)
3211 {
3212 return bio_open_default_(filename, mode, format, 0);
3213 }
3214
bio_open_default_quiet(const char * filename,char mode,int format)3215 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3216 {
3217 return bio_open_default_(filename, mode, format, 1);
3218 }
3219
mem_bio_to_file(BIO * in,const char * filename,int format,int private)3220 int mem_bio_to_file(BIO *in, const char *filename, int format, int private)
3221 {
3222 int rv = 0, ret = 0;
3223 BIO *out = NULL;
3224 BUF_MEM *mem_buffer = NULL;
3225
3226 rv = BIO_get_mem_ptr(in, &mem_buffer);
3227 if (rv <= 0) {
3228 BIO_puts(bio_err, "Error reading mem buffer\n");
3229 goto end;
3230 }
3231 out = bio_open_owner(filename, format, private);
3232 if (out == NULL)
3233 goto end;
3234 rv = BIO_write(out, mem_buffer->data, mem_buffer->length);
3235 if (rv < 0 || (size_t)rv != mem_buffer->length)
3236 BIO_printf(bio_err, "Error writing to output file: '%s'\n", filename);
3237 else
3238 ret = 1;
3239 end:
3240 if (!ret)
3241 ERR_print_errors(bio_err);
3242 BIO_free_all(out);
3243 return ret;
3244 }
3245
wait_for_async(SSL * s)3246 void wait_for_async(SSL *s)
3247 {
3248 /* On Windows select only works for sockets, so we simply don't wait */
3249 #ifndef OPENSSL_SYS_WINDOWS
3250 int width = 0;
3251 fd_set asyncfds;
3252 OSSL_ASYNC_FD *fds;
3253 size_t numfds;
3254 size_t i;
3255
3256 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3257 return;
3258 if (numfds == 0)
3259 return;
3260 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3261 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3262 OPENSSL_free(fds);
3263 return;
3264 }
3265
3266 FD_ZERO(&asyncfds);
3267 for (i = 0; i < numfds; i++) {
3268 if (width <= (int)fds[i])
3269 width = (int)fds[i] + 1;
3270 openssl_fdset((int)fds[i], &asyncfds);
3271 }
3272 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3273 OPENSSL_free(fds);
3274 #endif
3275 }
3276
3277 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3278 #if defined(OPENSSL_SYS_MSDOS)
has_stdin_waiting(void)3279 int has_stdin_waiting(void)
3280 {
3281 #if defined(OPENSSL_SYS_WINDOWS)
3282 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3283 DWORD events = 0;
3284 INPUT_RECORD inputrec;
3285 DWORD insize = 1;
3286 BOOL peeked;
3287
3288 if (inhand == INVALID_HANDLE_VALUE) {
3289 return 0;
3290 }
3291
3292 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3293 if (!peeked) {
3294 /* Probably redirected input? _kbhit() does not work in this case */
3295 if (!feof(stdin)) {
3296 return 1;
3297 }
3298 return 0;
3299 }
3300 #endif
3301 return _kbhit();
3302 }
3303 #endif
3304
3305 /* Corrupt a signature by modifying final byte */
corrupt_signature(const ASN1_STRING * signature)3306 void corrupt_signature(const ASN1_STRING *signature)
3307 {
3308 unsigned char *s = signature->data;
3309
3310 s[signature->length - 1] ^= 0x1;
3311 }
3312
check_cert_time_string(const char * time,const char * desc)3313 int check_cert_time_string(const char *time, const char *desc)
3314 {
3315 if (time == NULL || strcmp(time, "today") == 0
3316 || ASN1_TIME_set_string_X509(NULL, time))
3317 return 1;
3318 BIO_printf(bio_err,
3319 "%s is invalid, it should be \"today\" or have format [CC]YYMMDDHHMMSSZ\n",
3320 desc);
3321 return 0;
3322 }
3323
set_cert_times(X509 * x,const char * startdate,const char * enddate,int days,int strict_compare_times)3324 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3325 int days, int strict_compare_times)
3326 {
3327 if (!check_cert_time_string(startdate, "start date"))
3328 return 0;
3329 if (!check_cert_time_string(enddate, "end date"))
3330 return 0;
3331 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3332 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) {
3333 BIO_printf(bio_err, "Error setting notBefore certificate field\n");
3334 return 0;
3335 }
3336 } else {
3337 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) {
3338 BIO_printf(bio_err, "Error setting notBefore certificate field\n");
3339 return 0;
3340 }
3341 }
3342 if (enddate != NULL && strcmp(enddate, "today") == 0) {
3343 enddate = NULL;
3344 days = 0;
3345 }
3346 if (enddate == NULL) {
3347 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) == NULL) {
3348 BIO_printf(bio_err, "Error setting notAfter certificate field\n");
3349 return 0;
3350 }
3351 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3352 BIO_printf(bio_err, "Error setting notAfter certificate field\n");
3353 return 0;
3354 }
3355 if (ASN1_TIME_compare(X509_get0_notAfter(x), X509_get0_notBefore(x)) < 0) {
3356 BIO_printf(bio_err, "%s: end date before start date\n",
3357 strict_compare_times ? "Error" : "Warning");
3358 if (strict_compare_times)
3359 return 0;
3360 }
3361 return 1;
3362 }
3363
set_crl_lastupdate(X509_CRL * crl,const char * lastupdate)3364 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3365 {
3366 int ret = 0;
3367 ASN1_TIME *tm = ASN1_TIME_new();
3368
3369 if (tm == NULL)
3370 goto end;
3371
3372 if (lastupdate == NULL) {
3373 if (X509_gmtime_adj(tm, 0) == NULL)
3374 goto end;
3375 } else {
3376 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3377 goto end;
3378 }
3379
3380 if (!X509_CRL_set1_lastUpdate(crl, tm))
3381 goto end;
3382
3383 ret = 1;
3384 end:
3385 ASN1_TIME_free(tm);
3386 return ret;
3387 }
3388
set_crl_nextupdate(X509_CRL * crl,const char * nextupdate,long days,long hours,long secs)3389 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3390 long days, long hours, long secs)
3391 {
3392 int ret = 0;
3393 ASN1_TIME *tm = ASN1_TIME_new();
3394
3395 if (tm == NULL)
3396 goto end;
3397
3398 if (nextupdate == NULL) {
3399 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3400 goto end;
3401 } else {
3402 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3403 goto end;
3404 }
3405
3406 if (!X509_CRL_set1_nextUpdate(crl, tm))
3407 goto end;
3408
3409 ret = 1;
3410 end:
3411 ASN1_TIME_free(tm);
3412 return ret;
3413 }
3414
make_uppercase(char * string)3415 void make_uppercase(char *string)
3416 {
3417 int i;
3418
3419 for (i = 0; string[i] != '\0'; i++)
3420 string[i] = toupper((unsigned char)string[i]);
3421 }
3422
app_params_new_from_opts(STACK_OF (OPENSSL_STRING)* opts,const OSSL_PARAM * paramdefs)3423 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3424 const OSSL_PARAM *paramdefs)
3425 {
3426 OSSL_PARAM *params = NULL;
3427 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3428 size_t params_n;
3429 char *opt = "", *stmp, *vtmp = NULL;
3430 int found = 1;
3431
3432 if (opts == NULL)
3433 return NULL;
3434
3435 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3436 if (params == NULL)
3437 return NULL;
3438
3439 for (params_n = 0; params_n < sz; params_n++) {
3440 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3441 if ((stmp = OPENSSL_strdup(opt)) == NULL
3442 || (vtmp = strchr(stmp, ':')) == NULL)
3443 goto err;
3444 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3445 *vtmp = 0;
3446 /* Skip over the separator so that vmtp points to the value */
3447 vtmp++;
3448 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs,
3449 stmp, vtmp, strlen(vtmp), &found))
3450 goto err;
3451 OPENSSL_free(stmp);
3452 }
3453 params[params_n] = OSSL_PARAM_construct_end();
3454 return params;
3455 err:
3456 OPENSSL_free(stmp);
3457 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3458 opt);
3459 ERR_print_errors(bio_err);
3460 app_params_free(params);
3461 return NULL;
3462 }
3463
app_params_free(OSSL_PARAM * params)3464 void app_params_free(OSSL_PARAM *params)
3465 {
3466 int i;
3467
3468 if (params != NULL) {
3469 for (i = 0; params[i].key != NULL; ++i)
3470 OPENSSL_free(params[i].data);
3471 OPENSSL_free(params);
3472 }
3473 }
3474
app_keygen(EVP_PKEY_CTX * ctx,const char * alg,int bits,int verbose)3475 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3476 {
3477 EVP_PKEY *res = NULL;
3478
3479 if (verbose && alg != NULL) {
3480 BIO_printf(bio_err, "Generating %s key", alg);
3481 if (bits > 0)
3482 BIO_printf(bio_err, " with %d bits\n", bits);
3483 else
3484 BIO_printf(bio_err, "\n");
3485 }
3486 if (!RAND_status())
3487 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3488 "if the system has a poor entropy source\n");
3489 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3490 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(),
3491 alg != NULL ? alg : "asymmetric");
3492 return res;
3493 }
3494
app_paramgen(EVP_PKEY_CTX * ctx,const char * alg)3495 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3496 {
3497 EVP_PKEY *res = NULL;
3498
3499 if (!RAND_status())
3500 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3501 "if the system has a poor entropy source\n");
3502 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3503 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n",
3504 opt_getprog(), alg != NULL ? alg : "asymmetric");
3505 return res;
3506 }
3507
3508 /*
3509 * Return non-zero if the legacy path is still an option.
3510 * This decision is based on the global command line operations and the
3511 * behaviour thus far.
3512 */
opt_legacy_okay(void)3513 int opt_legacy_okay(void)
3514 {
3515 int provider_options = opt_provider_option_given();
3516 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3517
3518 /*
3519 * Having a provider option specified or a custom library context or
3520 * property query, is a sure sign we're not using legacy.
3521 */
3522 if (provider_options || libctx)
3523 return 0;
3524 return 1;
3525 }
3526