1 /*
2 * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
11 /*
12 * On VMS, you need to define this to get the declaration of fileno(). The
13 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
14 */
15 # define _POSIX_C_SOURCE 2
16 #endif
17
18 #ifndef OPENSSL_NO_ENGINE
19 /* We need to use some deprecated APIs */
20 # define OPENSSL_SUPPRESS_DEPRECATED
21 # include <openssl/engine.h>
22 #endif
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <sys/types.h>
28 #ifndef OPENSSL_NO_POSIX_IO
29 # include <sys/stat.h>
30 # include <fcntl.h>
31 #endif
32 #include <ctype.h>
33 #include <errno.h>
34 #include <openssl/err.h>
35 #include <openssl/x509.h>
36 #include <openssl/x509v3.h>
37 #include <openssl/http.h>
38 #include <openssl/pem.h>
39 #include <openssl/store.h>
40 #include <openssl/pkcs12.h>
41 #include <openssl/ui.h>
42 #include <openssl/safestack.h>
43 #include <openssl/rsa.h>
44 #include <openssl/rand.h>
45 #include <openssl/bn.h>
46 #include <openssl/ssl.h>
47 #include <openssl/core_names.h>
48 #include "s_apps.h"
49 #include "apps.h"
50
51 #include "internal/sockets.h" /* for openssl_fdset() */
52 #include "internal/e_os.h"
53
54 #ifdef _WIN32
55 static int WIN32_rename(const char *from, const char *to);
56 # define rename(from, to) WIN32_rename((from), (to))
57 #endif
58
59 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
60 # include <conio.h>
61 #endif
62
63 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
64 # define _kbhit kbhit
65 #endif
66
67 static BIO *bio_open_default_(const char *filename, char mode, int format,
68 int quiet);
69
70 #define PASS_SOURCE_SIZE_MAX 4
71
72 DEFINE_STACK_OF(CONF)
73
74 typedef struct {
75 const char *name;
76 unsigned long flag;
77 unsigned long mask;
78 } NAME_EX_TBL;
79
80 static int set_table_opts(unsigned long *flags, const char *arg,
81 const NAME_EX_TBL *in_tbl);
82 static int set_multi_opts(unsigned long *flags, const char *arg,
83 const NAME_EX_TBL *in_tbl);
84 int app_init(long mesgwin);
85
chopup_args(ARGS * arg,char * buf)86 int chopup_args(ARGS *arg, char *buf)
87 {
88 int quoted;
89 char c = '\0', *p = NULL;
90
91 arg->argc = 0;
92 if (arg->size == 0) {
93 arg->size = 20;
94 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
95 }
96
97 for (p = buf;;) {
98 /* Skip whitespace. */
99 while (*p && isspace(_UC(*p)))
100 p++;
101 if (*p == '\0')
102 break;
103
104 /* The start of something good :-) */
105 if (arg->argc >= arg->size) {
106 char **tmp;
107
108 arg->size += 20;
109 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
110 if (tmp == NULL)
111 return 0;
112 arg->argv = tmp;
113 }
114 quoted = *p == '\'' || *p == '"';
115 if (quoted)
116 c = *p++;
117 arg->argv[arg->argc++] = p;
118
119 /* now look for the end of this */
120 if (quoted) {
121 while (*p && *p != c)
122 p++;
123 *p++ = '\0';
124 } else {
125 while (*p && !isspace(_UC(*p)))
126 p++;
127 if (*p)
128 *p++ = '\0';
129 }
130 }
131 arg->argv[arg->argc] = NULL;
132 return 1;
133 }
134
135 #ifndef APP_INIT
app_init(long mesgwin)136 int app_init(long mesgwin)
137 {
138 return 1;
139 }
140 #endif
141
ctx_set_verify_locations(SSL_CTX * ctx,const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)142 int ctx_set_verify_locations(SSL_CTX *ctx,
143 const char *CAfile, int noCAfile,
144 const char *CApath, int noCApath,
145 const char *CAstore, int noCAstore)
146 {
147 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
148 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
149 return 0;
150 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
151 return 0;
152 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
153 return 0;
154
155 return 1;
156 }
157
158 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
159 return 0;
160 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
161 return 0;
162 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
163 return 0;
164 return 1;
165 }
166
167 #ifndef OPENSSL_NO_CT
168
ctx_set_ctlog_list_file(SSL_CTX * ctx,const char * path)169 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
170 {
171 if (path == NULL)
172 return SSL_CTX_set_default_ctlog_list_file(ctx);
173
174 return SSL_CTX_set_ctlog_list_file(ctx, path);
175 }
176
177 #endif
178
179 static unsigned long nmflag = 0;
180 static char nmflag_set = 0;
181
set_nameopt(const char * arg)182 int set_nameopt(const char *arg)
183 {
184 int ret = set_name_ex(&nmflag, arg);
185
186 if (ret)
187 nmflag_set = 1;
188
189 return ret;
190 }
191
get_nameopt(void)192 unsigned long get_nameopt(void)
193 {
194 return
195 nmflag_set ? nmflag : XN_FLAG_SEP_CPLUS_SPC | ASN1_STRFLGS_UTF8_CONVERT;
196 }
197
dump_cert_text(BIO * out,X509 * x)198 void dump_cert_text(BIO *out, X509 *x)
199 {
200 print_name(out, "subject=", X509_get_subject_name(x));
201 print_name(out, "issuer=", X509_get_issuer_name(x));
202 }
203
wrap_password_callback(char * buf,int bufsiz,int verify,void * userdata)204 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
205 {
206 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
207 }
208
209 static char *app_get_pass(const char *arg, int keepbio);
210
get_passwd(const char * pass,const char * desc)211 char *get_passwd(const char *pass, const char *desc)
212 {
213 char *result = NULL;
214
215 if (desc == NULL)
216 desc = "<unknown>";
217 if (!app_passwd(pass, NULL, &result, NULL))
218 BIO_printf(bio_err, "Error getting password for %s\n", desc);
219 if (pass != NULL && result == NULL) {
220 BIO_printf(bio_err,
221 "Trying plain input string (better precede with 'pass:')\n");
222 result = OPENSSL_strdup(pass);
223 if (result == NULL)
224 BIO_printf(bio_err,
225 "Out of memory getting password for %s\n", desc);
226 }
227 return result;
228 }
229
app_passwd(const char * arg1,const char * arg2,char ** pass1,char ** pass2)230 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
231 {
232 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
233
234 if (arg1 != NULL) {
235 *pass1 = app_get_pass(arg1, same);
236 if (*pass1 == NULL)
237 return 0;
238 } else if (pass1 != NULL) {
239 *pass1 = NULL;
240 }
241 if (arg2 != NULL) {
242 *pass2 = app_get_pass(arg2, same ? 2 : 0);
243 if (*pass2 == NULL)
244 return 0;
245 } else if (pass2 != NULL) {
246 *pass2 = NULL;
247 }
248 return 1;
249 }
250
app_get_pass(const char * arg,int keepbio)251 static char *app_get_pass(const char *arg, int keepbio)
252 {
253 static BIO *pwdbio = NULL;
254 char *tmp, tpass[APP_PASS_LEN];
255 int i;
256
257 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
258 if (CHECK_AND_SKIP_PREFIX(arg, "pass:"))
259 return OPENSSL_strdup(arg);
260 if (CHECK_AND_SKIP_PREFIX(arg, "env:")) {
261 tmp = getenv(arg);
262 if (tmp == NULL) {
263 BIO_printf(bio_err, "No environment variable %s\n", arg);
264 return NULL;
265 }
266 return OPENSSL_strdup(tmp);
267 }
268 if (!keepbio || pwdbio == NULL) {
269 if (CHECK_AND_SKIP_PREFIX(arg, "file:")) {
270 pwdbio = BIO_new_file(arg, "r");
271 if (pwdbio == NULL) {
272 BIO_printf(bio_err, "Can't open file %s\n", arg);
273 return NULL;
274 }
275 #if !defined(_WIN32)
276 /*
277 * Under _WIN32, which covers even Win64 and CE, file
278 * descriptors referenced by BIO_s_fd are not inherited
279 * by child process and therefore below is not an option.
280 * It could have been an option if bss_fd.c was operating
281 * on real Windows descriptors, such as those obtained
282 * with CreateFile.
283 */
284 } else if (CHECK_AND_SKIP_PREFIX(arg, "fd:")) {
285 BIO *btmp;
286
287 i = atoi(arg);
288 if (i >= 0)
289 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
290 if ((i < 0) || pwdbio == NULL) {
291 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg);
292 return NULL;
293 }
294 /*
295 * Can't do BIO_gets on an fd BIO so add a buffering BIO
296 */
297 btmp = BIO_new(BIO_f_buffer());
298 if (btmp == NULL) {
299 BIO_free_all(pwdbio);
300 pwdbio = NULL;
301 BIO_printf(bio_err, "Out of memory\n");
302 return NULL;
303 }
304 pwdbio = BIO_push(btmp, pwdbio);
305 #endif
306 } else if (strcmp(arg, "stdin") == 0) {
307 unbuffer(stdin);
308 pwdbio = dup_bio_in(FORMAT_TEXT);
309 if (pwdbio == NULL) {
310 BIO_printf(bio_err, "Can't open BIO for stdin\n");
311 return NULL;
312 }
313 } else {
314 /* argument syntax error; do not reveal too much about arg */
315 tmp = strchr(arg, ':');
316 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
317 BIO_printf(bio_err,
318 "Invalid password argument, missing ':' within the first %d chars\n",
319 PASS_SOURCE_SIZE_MAX + 1);
320 else
321 BIO_printf(bio_err,
322 "Invalid password argument, starting with \"%.*s\"\n",
323 (int)(tmp - arg + 1), arg);
324 return NULL;
325 }
326 }
327 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
328 if (keepbio != 1) {
329 BIO_free_all(pwdbio);
330 pwdbio = NULL;
331 }
332 if (i <= 0) {
333 BIO_printf(bio_err, "Error reading password from BIO\n");
334 return NULL;
335 }
336 tmp = strchr(tpass, '\n');
337 if (tmp != NULL)
338 *tmp = 0;
339 return OPENSSL_strdup(tpass);
340 }
341
app_conf_try_string(const CONF * conf,const char * group,const char * name)342 char *app_conf_try_string(const CONF *conf, const char *group, const char *name)
343 {
344 char *res;
345
346 ERR_set_mark();
347 res = NCONF_get_string(conf, group, name);
348 if (res == NULL)
349 ERR_pop_to_mark();
350 else
351 ERR_clear_last_mark();
352 return res;
353 }
354
app_conf_try_number(const CONF * conf,const char * group,const char * name,long * result)355 int app_conf_try_number(const CONF *conf, const char *group, const char *name,
356 long *result)
357 {
358 int ok;
359
360 ERR_set_mark();
361 ok = NCONF_get_number(conf, group, name, result);
362 if (!ok)
363 ERR_pop_to_mark();
364 else
365 ERR_clear_last_mark();
366 return ok;
367 }
368
app_load_config_bio(BIO * in,const char * filename)369 CONF *app_load_config_bio(BIO *in, const char *filename)
370 {
371 long errorline = -1;
372 CONF *conf;
373 int i;
374
375 conf = NCONF_new_ex(app_get0_libctx(), NULL);
376 i = NCONF_load_bio(conf, in, &errorline);
377 if (i > 0)
378 return conf;
379
380 if (errorline <= 0) {
381 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
382 } else {
383 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
384 errorline);
385 }
386 if (filename != NULL)
387 BIO_printf(bio_err, "config file \"%s\"\n", filename);
388 else
389 BIO_printf(bio_err, "config input");
390
391 NCONF_free(conf);
392 return NULL;
393 }
394
app_load_config_verbose(const char * filename,int verbose)395 CONF *app_load_config_verbose(const char *filename, int verbose)
396 {
397 if (verbose) {
398 if (*filename == '\0')
399 BIO_printf(bio_err, "No configuration used\n");
400 else
401 BIO_printf(bio_err, "Using configuration from %s\n", filename);
402 }
403 return app_load_config_internal(filename, 0);
404 }
405
app_load_config_internal(const char * filename,int quiet)406 CONF *app_load_config_internal(const char *filename, int quiet)
407 {
408 BIO *in;
409 CONF *conf;
410
411 if (filename == NULL || *filename != '\0') {
412 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
413 return NULL;
414 conf = app_load_config_bio(in, filename);
415 BIO_free(in);
416 } else {
417 /* Return empty config if filename is empty string. */
418 conf = NCONF_new_ex(app_get0_libctx(), NULL);
419 }
420 return conf;
421 }
422
app_load_modules(const CONF * config)423 int app_load_modules(const CONF *config)
424 {
425 CONF *to_free = NULL;
426
427 if (config == NULL)
428 config = to_free = app_load_config_quiet(default_config_file);
429 if (config == NULL)
430 return 1;
431
432 if (CONF_modules_load(config, NULL, 0) <= 0) {
433 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
434 ERR_print_errors(bio_err);
435 NCONF_free(to_free);
436 return 0;
437 }
438 NCONF_free(to_free);
439 return 1;
440 }
441
add_oid_section(CONF * conf)442 int add_oid_section(CONF *conf)
443 {
444 char *p;
445 STACK_OF(CONF_VALUE) *sktmp;
446 CONF_VALUE *cnf;
447 int i;
448
449 if ((p = app_conf_try_string(conf, NULL, "oid_section")) == NULL)
450 return 1;
451 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
452 BIO_printf(bio_err, "problem loading oid section %s\n", p);
453 return 0;
454 }
455 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
456 cnf = sk_CONF_VALUE_value(sktmp, i);
457 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
458 BIO_printf(bio_err, "problem creating object %s=%s\n",
459 cnf->name, cnf->value);
460 return 0;
461 }
462 }
463 return 1;
464 }
465
app_load_config_modules(const char * configfile)466 CONF *app_load_config_modules(const char *configfile)
467 {
468 CONF *conf = NULL;
469
470 if (configfile != NULL) {
471 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
472 return NULL;
473 if (configfile != default_config_file && !app_load_modules(conf)) {
474 NCONF_free(conf);
475 conf = NULL;
476 }
477 }
478 return conf;
479 }
480
481 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX))
482 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX))
483
load_cert_pass(const char * uri,int format,int maybe_stdin,const char * pass,const char * desc)484 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
485 const char *pass, const char *desc)
486 {
487 X509 *cert = NULL;
488
489 if (desc == NULL)
490 desc = "certificate";
491 if (IS_HTTPS(uri)) {
492 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
493 } else if (IS_HTTP(uri)) {
494 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
495 if (cert == NULL) {
496 ERR_print_errors(bio_err);
497 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
498 }
499 } else {
500 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
501 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
502 }
503 return cert;
504 }
505
load_crl(const char * uri,int format,int maybe_stdin,const char * desc)506 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
507 const char *desc)
508 {
509 X509_CRL *crl = NULL;
510
511 if (desc == NULL)
512 desc = "CRL";
513 if (IS_HTTPS(uri)) {
514 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
515 } else if (IS_HTTP(uri)) {
516 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
517 if (crl == NULL) {
518 ERR_print_errors(bio_err);
519 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
520 }
521 } else {
522 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0,
523 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
524 }
525 return crl;
526 }
527
528 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */
load_csr(const char * file,int format,const char * desc)529 X509_REQ *load_csr(const char *file, int format, const char *desc)
530 {
531 X509_REQ *req = NULL;
532 BIO *in;
533
534 if (format == FORMAT_UNDEF)
535 format = FORMAT_PEM;
536 in = bio_open_default(file, 'r', format);
537 if (in == NULL)
538 goto end;
539
540 if (format == FORMAT_ASN1)
541 req = d2i_X509_REQ_bio(in, NULL);
542 else if (format == FORMAT_PEM)
543 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
544 else
545 print_format_error(format, OPT_FMT_PEMDER);
546
547 end:
548 if (req == NULL) {
549 ERR_print_errors(bio_err);
550 if (desc != NULL)
551 BIO_printf(bio_err, "Unable to load %s\n", desc);
552 }
553 BIO_free(in);
554 return req;
555 }
556
557 /* 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)558 X509_REQ *load_csr_autofmt(const char *infile, int format,
559 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc)
560 {
561 X509_REQ *csr;
562
563 if (format != FORMAT_UNDEF) {
564 csr = load_csr(infile, format, desc);
565 } else { /* try PEM, then DER */
566 BIO *bio_bak = bio_err;
567
568 bio_err = NULL; /* do not show errors on more than one try */
569 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */);
570 bio_err = bio_bak;
571 if (csr == NULL) {
572 ERR_clear_error();
573 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */);
574 }
575 if (csr == NULL) {
576 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n",
577 desc, infile);
578 }
579 }
580 if (csr != NULL) {
581 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
582 int ret = do_X509_REQ_verify(csr, pkey, vfyopts);
583
584 if (pkey == NULL || ret < 0)
585 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n");
586 else if (ret == 0)
587 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n");
588 return csr;
589 }
590 return csr;
591 }
592
cleanse(char * str)593 void cleanse(char *str)
594 {
595 if (str != NULL)
596 OPENSSL_cleanse(str, strlen(str));
597 }
598
clear_free(char * str)599 void clear_free(char *str)
600 {
601 if (str != NULL)
602 OPENSSL_clear_free(str, strlen(str));
603 }
604
load_key(const char * uri,int format,int may_stdin,const char * pass,ENGINE * e,const char * desc)605 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
606 const char *pass, ENGINE *e, const char *desc)
607 {
608 EVP_PKEY *pkey = NULL;
609 char *allocated_uri = NULL;
610
611 if (desc == NULL)
612 desc = "private key";
613
614 if (format == FORMAT_ENGINE)
615 uri = allocated_uri = make_engine_uri(e, uri, desc);
616 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0,
617 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
618
619 OPENSSL_free(allocated_uri);
620 return pkey;
621 }
622
623 /* 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)624 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
625 const char *pass, ENGINE *e, const char *desc)
626 {
627 EVP_PKEY *pkey = NULL;
628 char *allocated_uri = NULL;
629
630 if (desc == NULL)
631 desc = "public key";
632
633 if (format == FORMAT_ENGINE)
634 uri = allocated_uri = make_engine_uri(e, uri, desc);
635 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1,
636 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
637 if (pkey == NULL)
638 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
639 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
640 OPENSSL_free(allocated_uri);
641 return pkey;
642 }
643
load_keyparams_suppress(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc,int suppress_decode_errors)644 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
645 const char *keytype, const char *desc,
646 int suppress_decode_errors)
647 {
648 EVP_PKEY *params = NULL;
649
650 if (desc == NULL)
651 desc = "key parameters";
652 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
653 suppress_decode_errors,
654 NULL, NULL, ¶ms, NULL, NULL, NULL, NULL);
655 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
656 ERR_print_errors(bio_err);
657 BIO_printf(bio_err,
658 "Unable to load %s from %s (unexpected parameters type)\n",
659 desc, uri);
660 EVP_PKEY_free(params);
661 params = NULL;
662 }
663 return params;
664 }
665
load_keyparams(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc)666 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
667 const char *keytype, const char *desc)
668 {
669 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
670 }
671
app_bail_out(char * fmt,...)672 void app_bail_out(char *fmt, ...)
673 {
674 va_list args;
675
676 va_start(args, fmt);
677 BIO_vprintf(bio_err, fmt, args);
678 va_end(args);
679 ERR_print_errors(bio_err);
680 exit(EXIT_FAILURE);
681 }
682
app_malloc(size_t sz,const char * what)683 void *app_malloc(size_t sz, const char *what)
684 {
685 void *vp = OPENSSL_malloc(sz);
686
687 if (vp == NULL)
688 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
689 opt_getprog(), sz, what);
690 return vp;
691 }
692
next_item(char * opt)693 char *next_item(char *opt) /* in list separated by comma and/or space */
694 {
695 /* advance to separator (comma or whitespace), if any */
696 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0')
697 opt++;
698 if (*opt != '\0') {
699 /* terminate current item */
700 *opt++ = '\0';
701 /* skip over any whitespace after separator */
702 while (isspace(_UC(*opt)))
703 opt++;
704 }
705 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
706 }
707
warn_cert_msg(const char * uri,X509 * cert,const char * msg)708 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
709 {
710 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
711
712 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
713 uri, subj, msg);
714 OPENSSL_free(subj);
715 }
716
warn_cert(const char * uri,X509 * cert,int warn_EE,X509_VERIFY_PARAM * vpm)717 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
718 X509_VERIFY_PARAM *vpm)
719 {
720 uint32_t ex_flags = X509_get_extension_flags(cert);
721 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
722 X509_get0_notAfter(cert));
723
724 if (res != 0)
725 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
726 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
727 warn_cert_msg(uri, cert, "is not a CA cert");
728 }
729
warn_certs(const char * uri,STACK_OF (X509)* certs,int warn_EE,X509_VERIFY_PARAM * vpm)730 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
731 X509_VERIFY_PARAM *vpm)
732 {
733 int i;
734
735 for (i = 0; i < sk_X509_num(certs); i++)
736 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
737 }
738
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)739 int load_cert_certs(const char *uri,
740 X509 **pcert, STACK_OF(X509) **pcerts,
741 int exclude_http, const char *pass, const char *desc,
742 X509_VERIFY_PARAM *vpm)
743 {
744 int ret = 0;
745 char *pass_string;
746
747 if (desc == NULL)
748 desc = pcerts == NULL ? "certificate" : "certificates";
749 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://")
750 || HAS_CASE_PREFIX(uri, "https://"))) {
751 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
752 return ret;
753 }
754 pass_string = get_passwd(pass, desc);
755 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0,
756 NULL, NULL, NULL, pcert, pcerts, NULL, NULL);
757 clear_free(pass_string);
758
759 if (ret) {
760 if (pcert != NULL)
761 warn_cert(uri, *pcert, 0, vpm);
762 if (pcerts != NULL)
763 warn_certs(uri, *pcerts, 1, vpm);
764 } else {
765 if (pcerts != NULL) {
766 OSSL_STACK_OF_X509_free(*pcerts);
767 *pcerts = NULL;
768 }
769 }
770 return ret;
771 }
772
STACK_OF(X509)773 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
774 const char *desc, X509_VERIFY_PARAM *vpm)
775 {
776 STACK_OF(X509) *certs = NULL;
777 STACK_OF(X509) *result = sk_X509_new_null();
778
779 if (files == NULL)
780 goto err;
781 if (result == NULL)
782 goto oom;
783
784 while (files != NULL) {
785 char *next = next_item(files);
786
787 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
788 goto err;
789 if (!X509_add_certs(result, certs,
790 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
791 goto oom;
792 OSSL_STACK_OF_X509_free(certs);
793 certs = NULL;
794 files = next;
795 }
796 return result;
797
798 oom:
799 BIO_printf(bio_err, "out of memory\n");
800 err:
801 OSSL_STACK_OF_X509_free(certs);
802 OSSL_STACK_OF_X509_free(result);
803 return NULL;
804 }
805
sk_X509_to_store(X509_STORE * store,const STACK_OF (X509)* certs)806 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
807 const STACK_OF(X509) *certs /* may NULL */)
808 {
809 int i;
810
811 if (store == NULL)
812 store = X509_STORE_new();
813 if (store == NULL)
814 return NULL;
815 for (i = 0; i < sk_X509_num(certs); i++) {
816 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
817 X509_STORE_free(store);
818 return NULL;
819 }
820 }
821 return store;
822 }
823
824 /*
825 * Create cert store structure with certificates read from given file(s).
826 * Returns pointer to created X509_STORE on success, NULL on error.
827 */
load_certstore(char * input,const char * pass,const char * desc,X509_VERIFY_PARAM * vpm)828 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
829 X509_VERIFY_PARAM *vpm)
830 {
831 X509_STORE *store = NULL;
832 STACK_OF(X509) *certs = NULL;
833
834 while (input != NULL) {
835 char *next = next_item(input);
836 int ok;
837
838 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
839 X509_STORE_free(store);
840 return NULL;
841 }
842 ok = (store = sk_X509_to_store(store, certs)) != NULL;
843 OSSL_STACK_OF_X509_free(certs);
844 certs = NULL;
845 if (!ok)
846 return NULL;
847 input = next;
848 }
849 return store;
850 }
851
852 /*
853 * Initialize or extend, if *certs != NULL, a certificate stack.
854 * The caller is responsible for freeing *certs if its value is left not NULL.
855 */
load_certs(const char * uri,int maybe_stdin,STACK_OF (X509)** certs,const char * pass,const char * desc)856 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
857 const char *pass, const char *desc)
858 {
859 int ret, was_NULL = *certs == NULL;
860
861 if (desc == NULL)
862 desc = "certificates";
863 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0,
864 NULL, NULL, NULL, NULL, certs, NULL, NULL);
865
866 if (!ret && was_NULL) {
867 OSSL_STACK_OF_X509_free(*certs);
868 *certs = NULL;
869 }
870 return ret;
871 }
872
873 /*
874 * Initialize or extend, if *crls != NULL, a certificate stack.
875 * The caller is responsible for freeing *crls if its value is left not NULL.
876 */
load_crls(const char * uri,STACK_OF (X509_CRL)** crls,const char * pass,const char * desc)877 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
878 const char *pass, const char *desc)
879 {
880 int ret, was_NULL = *crls == NULL;
881
882 if (desc == NULL)
883 desc = "CRLs";
884 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0,
885 NULL, NULL, NULL, NULL, NULL, NULL, crls);
886
887 if (!ret && was_NULL) {
888 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
889 *crls = NULL;
890 }
891 return ret;
892 }
893
format2string(int format)894 static const char *format2string(int format)
895 {
896 switch (format) {
897 case FORMAT_PEM:
898 return "PEM";
899 case FORMAT_ASN1:
900 return "DER";
901 }
902 return NULL;
903 }
904
905 /* Set type expectation, but set to 0 if objects of multiple types expected. */
906 #define SET_EXPECT(val) \
907 (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0))
908 #define SET_EXPECT1(pvar, val) \
909 if ((pvar) != NULL) { \
910 *(pvar) = NULL; \
911 SET_EXPECT(val); \
912 }
913 /* Provide (error msg) text for some of the credential types to be loaded. */
914 #define FAIL_NAME \
915 (ppkey != NULL ? "private key" : ppubkey != NULL ? "public key" : \
916 pparams != NULL ? "key parameters" : \
917 pcert != NULL ? "certificate" : pcerts != NULL ? "certificates" : \
918 pcrl != NULL ? "CRL" : pcrls != NULL ? "CRLs" : NULL)
919 /*
920 * Load those types of credentials for which the result pointer is not NULL.
921 * Reads from stdin if 'uri' is NULL and 'maybe_stdin' is nonzero.
922 * 'format' parameter may be FORMAT_PEM, FORMAT_ASN1, or 0 for no hint.
923 * desc may contain more detail on the credential(s) to be loaded for error msg
924 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
925 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
926 * If pcerts is non-NULL then all available certificates are appended to *pcerts
927 * except any certificate assigned to *pcert.
928 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
929 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
930 * except any CRL assigned to *pcrl.
931 * In any case (also on error) the caller is responsible for freeing all members
932 * of *pcerts and *pcrls (as far as they are not NULL).
933 */
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)934 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
935 const char *pass, const char *desc, int quiet,
936 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
937 EVP_PKEY **pparams,
938 X509 **pcert, STACK_OF(X509) **pcerts,
939 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
940 {
941 PW_CB_DATA uidata;
942 OSSL_STORE_CTX *ctx = NULL;
943 OSSL_LIB_CTX *libctx = app_get0_libctx();
944 const char *propq = app_get0_propq();
945 int ncerts = 0, ncrls = 0, expect = -1;
946 const char *failed = FAIL_NAME;
947 const char *input_type;
948 OSSL_PARAM itp[2];
949 const OSSL_PARAM *params = NULL;
950
951 /* 'failed' describes type of credential to load for potential error msg */
952 if (failed == NULL) {
953 if (!quiet)
954 BIO_printf(bio_err, "Internal error: nothing was requested to load from %s\n",
955 uri != NULL ? uri : "<stdin>");
956 return 0;
957 }
958 /* suppress any extraneous errors left over from failed parse attempts */
959 ERR_set_mark();
960
961 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY);
962 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY);
963 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS);
964 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT);
965 /*
966 * Up to here, the follwing holds.
967 * If just one of the ppkey, ppubkey, pparams, and pcert function parameters
968 * is nonzero, expect > 0 indicates which type of credential is expected.
969 * If expect == 0, more than one of them is nonzero (multiple types expected).
970 */
971
972 if (pcerts != NULL) {
973 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
974 if (!quiet)
975 BIO_printf(bio_err, "Out of memory loading");
976 goto end;
977 }
978 /*
979 * Adapt the 'expect' variable:
980 * set to OSSL_STORE_INFO_CERT if no other type is expected so far,
981 * otherwise set to 0 (indicating that multiple types are expected).
982 */
983 SET_EXPECT(OSSL_STORE_INFO_CERT);
984 }
985 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL);
986 if (pcrls != NULL) {
987 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
988 if (!quiet)
989 BIO_printf(bio_err, "Out of memory loading");
990 goto end;
991 }
992 /*
993 * Adapt the 'expect' variable:
994 * set to OSSL_STORE_INFO_CRL if no other type is expected so far,
995 * otherwise set to 0 (indicating that multiple types are expected).
996 */
997 SET_EXPECT(OSSL_STORE_INFO_CRL);
998 }
999
1000 uidata.password = pass;
1001 uidata.prompt_info = uri;
1002
1003 if ((input_type = format2string(format)) != NULL) {
1004 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
1005 (char *)input_type, 0);
1006 itp[1] = OSSL_PARAM_construct_end();
1007 params = itp;
1008 }
1009
1010 if (uri == NULL) {
1011 BIO *bio;
1012
1013 if (!maybe_stdin) {
1014 if (!quiet)
1015 BIO_printf(bio_err, "No filename or uri specified for loading\n");
1016 goto end;
1017 }
1018 uri = "<stdin>";
1019 unbuffer(stdin);
1020 bio = BIO_new_fp(stdin, 0);
1021 if (bio != NULL) {
1022 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
1023 get_ui_method(), &uidata, params,
1024 NULL, NULL);
1025 BIO_free(bio);
1026 }
1027 } else {
1028 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
1029 params, NULL, NULL);
1030 }
1031 if (ctx == NULL) {
1032 if (!quiet)
1033 BIO_printf(bio_err, "Could not open file or uri for loading");
1034 goto end;
1035 }
1036 /* expect == 0 means here multiple types of credentials are to be loaded */
1037 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) {
1038 if (!quiet)
1039 BIO_printf(bio_err, "Internal error trying to load");
1040 goto end;
1041 }
1042
1043 failed = NULL;
1044 /* from here, failed != NULL only if actually an error has been detected */
1045
1046 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL
1047 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL)
1048 && !OSSL_STORE_eof(ctx)) {
1049 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
1050 int type, ok = 1;
1051
1052 /*
1053 * This can happen (for example) if we attempt to load a file with
1054 * multiple different types of things in it - but the thing we just
1055 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
1056 * to load a certificate but the file has both the private key and the
1057 * certificate in it. We just retry until eof.
1058 */
1059 if (info == NULL) {
1060 continue;
1061 }
1062
1063 type = OSSL_STORE_INFO_get_type(info);
1064 switch (type) {
1065 case OSSL_STORE_INFO_PKEY:
1066 if (ppkey != NULL) {
1067 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
1068 if (ok)
1069 ppkey = NULL;
1070 break;
1071 }
1072 /*
1073 * An EVP_PKEY with private parts also holds the public parts,
1074 * so if the caller asked for a public key, and we got a private
1075 * key, we can still pass it back.
1076 */
1077 /* fall through */
1078 case OSSL_STORE_INFO_PUBKEY:
1079 if (ppubkey != NULL) {
1080 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL;
1081 if (ok)
1082 ppubkey = NULL;
1083 }
1084 break;
1085 case OSSL_STORE_INFO_PARAMS:
1086 if (pparams != NULL) {
1087 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL;
1088 if (ok)
1089 pparams = NULL;
1090 }
1091 break;
1092 case OSSL_STORE_INFO_CERT:
1093 if (pcert != NULL) {
1094 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1095 if (ok)
1096 pcert = NULL;
1097 } else if (pcerts != NULL) {
1098 ok = X509_add_cert(*pcerts,
1099 OSSL_STORE_INFO_get1_CERT(info),
1100 X509_ADD_FLAG_DEFAULT);
1101 }
1102 ncerts += ok;
1103 break;
1104 case OSSL_STORE_INFO_CRL:
1105 if (pcrl != NULL) {
1106 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1107 if (ok)
1108 pcrl = NULL;
1109 } else if (pcrls != NULL) {
1110 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1111 }
1112 ncrls += ok;
1113 break;
1114 default:
1115 /* skip any other type; ok stays == 1 */
1116 break;
1117 }
1118 OSSL_STORE_INFO_free(info);
1119 if (!ok) {
1120 failed = OSSL_STORE_INFO_type_string(type);
1121 if (!quiet)
1122 BIO_printf(bio_err, "Error reading");
1123 break;
1124 }
1125 }
1126
1127 end:
1128 OSSL_STORE_close(ctx);
1129
1130 /* see if any of the requested types of credentials was not found */
1131 if (failed == NULL) {
1132 if (ncerts > 0)
1133 pcerts = NULL;
1134 if (ncrls > 0)
1135 pcrls = NULL;
1136 failed = FAIL_NAME;
1137 if (failed != NULL && !quiet)
1138 BIO_printf(bio_err, "Could not find");
1139 }
1140
1141 if (failed != NULL && !quiet) {
1142 unsigned long err = ERR_peek_last_error();
1143
1144 /* continue the error message with the type of credential affected */
1145 if (desc != NULL && strstr(desc, failed) != NULL) {
1146 BIO_printf(bio_err, " %s", desc);
1147 } else {
1148 BIO_printf(bio_err, " %s", failed);
1149 if (desc != NULL)
1150 BIO_printf(bio_err, " of %s", desc);
1151 }
1152 if (uri != NULL)
1153 BIO_printf(bio_err, " from %s", uri);
1154 if (ERR_SYSTEM_ERROR(err)) {
1155 /* provide more readable diagnostic output */
1156 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1157 ERR_pop_to_mark();
1158 ERR_set_mark();
1159 }
1160 BIO_printf(bio_err, "\n");
1161 ERR_print_errors(bio_err);
1162 }
1163 if (quiet || failed == NULL)
1164 /* clear any suppressed or spurious errors */
1165 ERR_pop_to_mark();
1166 else
1167 ERR_clear_last_mark();
1168 return failed == NULL;
1169 }
1170
1171 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1172 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */
1173 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */
1174 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */
1175 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */
1176
1177 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1178 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1179
set_cert_ex(unsigned long * flags,const char * arg)1180 int set_cert_ex(unsigned long *flags, const char *arg)
1181 {
1182 static const NAME_EX_TBL cert_tbl[] = {
1183 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1184 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1185 {"no_header", X509_FLAG_NO_HEADER, 0},
1186 {"no_version", X509_FLAG_NO_VERSION, 0},
1187 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1188 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1189 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1190 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1191 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1192 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1193 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1194 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1195 {"no_aux", X509_FLAG_NO_AUX, 0},
1196 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1197 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1198 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1199 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1200 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1201 {NULL, 0, 0}
1202 };
1203 return set_multi_opts(flags, arg, cert_tbl);
1204 }
1205
set_name_ex(unsigned long * flags,const char * arg)1206 int set_name_ex(unsigned long *flags, const char *arg)
1207 {
1208 static const NAME_EX_TBL ex_tbl[] = {
1209 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1210 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1211 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1212 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1213 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1214 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1215 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1216 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1217 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1218 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1219 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1220 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1221 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1222 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1223 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1224 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1225 {"dn_rev", XN_FLAG_DN_REV, 0},
1226 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1227 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1228 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1229 {"align", XN_FLAG_FN_ALIGN, 0},
1230 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1231 {"space_eq", XN_FLAG_SPC_EQ, 0},
1232 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1233 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1234 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1235 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1236 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1237 {NULL, 0, 0}
1238 };
1239 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1240 return 0;
1241 if (*flags != XN_FLAG_COMPAT
1242 && (*flags & XN_FLAG_SEP_MASK) == 0)
1243 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1244 return 1;
1245 }
1246
set_dateopt(unsigned long * dateopt,const char * arg)1247 int set_dateopt(unsigned long *dateopt, const char *arg)
1248 {
1249 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1250 *dateopt = ASN1_DTFLGS_RFC822;
1251 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1252 *dateopt = ASN1_DTFLGS_ISO8601;
1253 else
1254 return 0;
1255 return 1;
1256 }
1257
set_ext_copy(int * copy_type,const char * arg)1258 int set_ext_copy(int *copy_type, const char *arg)
1259 {
1260 if (OPENSSL_strcasecmp(arg, "none") == 0)
1261 *copy_type = EXT_COPY_NONE;
1262 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1263 *copy_type = EXT_COPY_ADD;
1264 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1265 *copy_type = EXT_COPY_ALL;
1266 else
1267 return 0;
1268 return 1;
1269 }
1270
copy_extensions(X509 * x,X509_REQ * req,int copy_type)1271 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1272 {
1273 STACK_OF(X509_EXTENSION) *exts;
1274 int i, ret = 0;
1275
1276 if (x == NULL || req == NULL)
1277 return 0;
1278 if (copy_type == EXT_COPY_NONE)
1279 return 1;
1280 exts = X509_REQ_get_extensions(req);
1281
1282 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1283 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1284 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1285 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1286
1287 /* Does extension exist in target? */
1288 if (idx != -1) {
1289 /* If normal copy don't override existing extension */
1290 if (copy_type == EXT_COPY_ADD)
1291 continue;
1292 /* Delete all extensions of same type */
1293 do {
1294 X509_EXTENSION_free(X509_delete_ext(x, idx));
1295 idx = X509_get_ext_by_OBJ(x, obj, -1);
1296 } while (idx != -1);
1297 }
1298 if (!X509_add_ext(x, ext, -1))
1299 goto end;
1300 }
1301 ret = 1;
1302
1303 end:
1304 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1305 return ret;
1306 }
1307
set_multi_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1308 static int set_multi_opts(unsigned long *flags, const char *arg,
1309 const NAME_EX_TBL *in_tbl)
1310 {
1311 STACK_OF(CONF_VALUE) *vals;
1312 CONF_VALUE *val;
1313 int i, ret = 1;
1314
1315 if (!arg)
1316 return 0;
1317 vals = X509V3_parse_list(arg);
1318 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1319 val = sk_CONF_VALUE_value(vals, i);
1320 if (!set_table_opts(flags, val->name, in_tbl))
1321 ret = 0;
1322 }
1323 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1324 return ret;
1325 }
1326
set_table_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1327 static int set_table_opts(unsigned long *flags, const char *arg,
1328 const NAME_EX_TBL *in_tbl)
1329 {
1330 char c;
1331 const NAME_EX_TBL *ptbl;
1332
1333 c = arg[0];
1334 if (c == '-') {
1335 c = 0;
1336 arg++;
1337 } else if (c == '+') {
1338 c = 1;
1339 arg++;
1340 } else {
1341 c = 1;
1342 }
1343
1344 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1345 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1346 *flags &= ~ptbl->mask;
1347 if (c)
1348 *flags |= ptbl->flag;
1349 else
1350 *flags &= ~ptbl->flag;
1351 return 1;
1352 }
1353 }
1354 return 0;
1355 }
1356
print_name(BIO * out,const char * title,const X509_NAME * nm)1357 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1358 {
1359 char *buf;
1360 char mline = 0;
1361 int indent = 0;
1362 unsigned long lflags = get_nameopt();
1363
1364 if (out == NULL)
1365 return;
1366 if (title != NULL)
1367 BIO_puts(out, title);
1368 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1369 mline = 1;
1370 indent = 4;
1371 }
1372 if (lflags == XN_FLAG_COMPAT) {
1373 buf = X509_NAME_oneline(nm, 0, 0);
1374 BIO_puts(out, buf);
1375 BIO_puts(out, "\n");
1376 OPENSSL_free(buf);
1377 } else {
1378 if (mline)
1379 BIO_puts(out, "\n");
1380 X509_NAME_print_ex(out, nm, indent, lflags);
1381 BIO_puts(out, "\n");
1382 }
1383 }
1384
print_bignum_var(BIO * out,const BIGNUM * in,const char * var,int len,unsigned char * buffer)1385 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1386 int len, unsigned char *buffer)
1387 {
1388 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1389 if (BN_is_zero(in)) {
1390 BIO_printf(out, "\n 0x00");
1391 } else {
1392 int i, l;
1393
1394 l = BN_bn2bin(in, buffer);
1395 for (i = 0; i < l; i++) {
1396 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1397 if (i < l - 1)
1398 BIO_printf(out, "0x%02X,", buffer[i]);
1399 else
1400 BIO_printf(out, "0x%02X", buffer[i]);
1401 }
1402 }
1403 BIO_printf(out, "\n };\n");
1404 }
1405
print_array(BIO * out,const char * title,int len,const unsigned char * d)1406 void print_array(BIO *out, const char *title, int len, const unsigned char *d)
1407 {
1408 int i;
1409
1410 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1411 for (i = 0; i < len; i++) {
1412 if ((i % 10) == 0)
1413 BIO_printf(out, "\n ");
1414 if (i < len - 1)
1415 BIO_printf(out, "0x%02X, ", d[i]);
1416 else
1417 BIO_printf(out, "0x%02X", d[i]);
1418 }
1419 BIO_printf(out, "\n};\n");
1420 }
1421
setup_verify(const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)1422 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1423 const char *CApath, int noCApath,
1424 const char *CAstore, int noCAstore)
1425 {
1426 X509_STORE *store = X509_STORE_new();
1427 X509_LOOKUP *lookup;
1428 OSSL_LIB_CTX *libctx = app_get0_libctx();
1429 const char *propq = app_get0_propq();
1430
1431 if (store == NULL)
1432 goto end;
1433
1434 if (CAfile != NULL || !noCAfile) {
1435 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1436 if (lookup == NULL)
1437 goto end;
1438 if (CAfile != NULL) {
1439 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1440 libctx, propq) <= 0) {
1441 ERR_clear_error();
1442 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1,
1443 libctx, propq) <= 0) {
1444 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1445 goto end;
1446 }
1447 }
1448 } else {
1449 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1450 libctx, propq);
1451 }
1452 }
1453
1454 if (CApath != NULL || !noCApath) {
1455 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1456 if (lookup == NULL)
1457 goto end;
1458 if (CApath != NULL) {
1459 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1460 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1461 goto end;
1462 }
1463 } else {
1464 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1465 }
1466 }
1467
1468 if (CAstore != NULL || !noCAstore) {
1469 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1470 if (lookup == NULL)
1471 goto end;
1472 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1473 if (CAstore != NULL)
1474 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1475 goto end;
1476 }
1477 }
1478
1479 ERR_clear_error();
1480 return store;
1481 end:
1482 ERR_print_errors(bio_err);
1483 X509_STORE_free(store);
1484 return NULL;
1485 }
1486
index_serial_hash(const OPENSSL_CSTRING * a)1487 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1488 {
1489 const char *n;
1490
1491 n = a[DB_serial];
1492 while (*n == '0')
1493 n++;
1494 return OPENSSL_LH_strhash(n);
1495 }
1496
index_serial_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1497 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1498 const OPENSSL_CSTRING *b)
1499 {
1500 const char *aa, *bb;
1501
1502 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1503 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1504 return strcmp(aa, bb);
1505 }
1506
index_name_qual(char ** a)1507 static int index_name_qual(char **a)
1508 {
1509 return (a[0][0] == 'V');
1510 }
1511
index_name_hash(const OPENSSL_CSTRING * a)1512 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1513 {
1514 return OPENSSL_LH_strhash(a[DB_name]);
1515 }
1516
index_name_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1517 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1518 {
1519 return strcmp(a[DB_name], b[DB_name]);
1520 }
1521
IMPLEMENT_LHASH_HASH_FN(index_serial,OPENSSL_CSTRING)1522 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1523 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1524 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1525 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1526 #undef BSIZE
1527 #define BSIZE 256
1528 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1529 ASN1_INTEGER **retai)
1530 {
1531 BIO *in = NULL;
1532 BIGNUM *ret = NULL;
1533 char buf[1024];
1534 ASN1_INTEGER *ai = NULL;
1535
1536 ai = ASN1_INTEGER_new();
1537 if (ai == NULL)
1538 goto err;
1539
1540 in = BIO_new_file(serialfile, "r");
1541 if (exists != NULL)
1542 *exists = in != NULL;
1543 if (in == NULL) {
1544 if (!create) {
1545 perror(serialfile);
1546 goto err;
1547 }
1548 ERR_clear_error();
1549 ret = BN_new();
1550 if (ret == NULL) {
1551 BIO_printf(bio_err, "Out of memory\n");
1552 } else if (!rand_serial(ret, ai)) {
1553 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1554 serialfile);
1555 BN_free(ret);
1556 ret = NULL;
1557 }
1558 } else {
1559 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1560 BIO_printf(bio_err, "Unable to load number from %s\n",
1561 serialfile);
1562 goto err;
1563 }
1564 ret = ASN1_INTEGER_to_BN(ai, NULL);
1565 if (ret == NULL) {
1566 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1567 goto err;
1568 }
1569 }
1570
1571 if (ret != NULL && retai != NULL) {
1572 *retai = ai;
1573 ai = NULL;
1574 }
1575 err:
1576 if (ret == NULL)
1577 ERR_print_errors(bio_err);
1578 BIO_free(in);
1579 ASN1_INTEGER_free(ai);
1580 return ret;
1581 }
1582
save_serial(const char * serialfile,const char * suffix,const BIGNUM * serial,ASN1_INTEGER ** retai)1583 int save_serial(const char *serialfile, const char *suffix,
1584 const BIGNUM *serial, ASN1_INTEGER **retai)
1585 {
1586 char buf[1][BSIZE];
1587 BIO *out = NULL;
1588 int ret = 0;
1589 ASN1_INTEGER *ai = NULL;
1590 int j;
1591
1592 if (suffix == NULL)
1593 j = strlen(serialfile);
1594 else
1595 j = strlen(serialfile) + strlen(suffix) + 1;
1596 if (j >= BSIZE) {
1597 BIO_printf(bio_err, "File name too long\n");
1598 goto err;
1599 }
1600
1601 if (suffix == NULL) {
1602 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1603 } else {
1604 #ifndef OPENSSL_SYS_VMS
1605 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1606 #else
1607 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1608 #endif
1609 }
1610 out = BIO_new_file(buf[0], "w");
1611 if (out == NULL) {
1612 goto err;
1613 }
1614
1615 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1616 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1617 goto err;
1618 }
1619 i2a_ASN1_INTEGER(out, ai);
1620 BIO_puts(out, "\n");
1621 ret = 1;
1622 if (retai) {
1623 *retai = ai;
1624 ai = NULL;
1625 }
1626 err:
1627 if (!ret)
1628 ERR_print_errors(bio_err);
1629 BIO_free_all(out);
1630 ASN1_INTEGER_free(ai);
1631 return ret;
1632 }
1633
rotate_serial(const char * serialfile,const char * new_suffix,const char * old_suffix)1634 int rotate_serial(const char *serialfile, const char *new_suffix,
1635 const char *old_suffix)
1636 {
1637 char buf[2][BSIZE];
1638 int i, j;
1639
1640 i = strlen(serialfile) + strlen(old_suffix);
1641 j = strlen(serialfile) + strlen(new_suffix);
1642 if (i > j)
1643 j = i;
1644 if (j + 1 >= BSIZE) {
1645 BIO_printf(bio_err, "File name too long\n");
1646 goto err;
1647 }
1648 #ifndef OPENSSL_SYS_VMS
1649 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1650 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1651 #else
1652 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1653 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1654 #endif
1655 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1656 #ifdef ENOTDIR
1657 && errno != ENOTDIR
1658 #endif
1659 ) {
1660 BIO_printf(bio_err,
1661 "Unable to rename %s to %s\n", serialfile, buf[1]);
1662 perror("reason");
1663 goto err;
1664 }
1665 if (rename(buf[0], serialfile) < 0) {
1666 BIO_printf(bio_err,
1667 "Unable to rename %s to %s\n", buf[0], serialfile);
1668 perror("reason");
1669 rename(buf[1], serialfile);
1670 goto err;
1671 }
1672 return 1;
1673 err:
1674 ERR_print_errors(bio_err);
1675 return 0;
1676 }
1677
rand_serial(BIGNUM * b,ASN1_INTEGER * ai)1678 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1679 {
1680 BIGNUM *btmp;
1681 int ret = 0;
1682
1683 btmp = b == NULL ? BN_new() : b;
1684 if (btmp == NULL)
1685 return 0;
1686
1687 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1688 goto error;
1689 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1690 goto error;
1691
1692 ret = 1;
1693
1694 error:
1695
1696 if (btmp != b)
1697 BN_free(btmp);
1698
1699 return ret;
1700 }
1701
load_index(const char * dbfile,DB_ATTR * db_attr)1702 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1703 {
1704 CA_DB *retdb = NULL;
1705 TXT_DB *tmpdb = NULL;
1706 BIO *in;
1707 CONF *dbattr_conf = NULL;
1708 char buf[BSIZE];
1709 #ifndef OPENSSL_NO_POSIX_IO
1710 FILE *dbfp;
1711 struct stat dbst;
1712 #endif
1713
1714 in = BIO_new_file(dbfile, "r");
1715 if (in == NULL)
1716 goto err;
1717
1718 #ifndef OPENSSL_NO_POSIX_IO
1719 BIO_get_fp(in, &dbfp);
1720 if (fstat(fileno(dbfp), &dbst) == -1) {
1721 ERR_raise_data(ERR_LIB_SYS, errno,
1722 "calling fstat(%s)", dbfile);
1723 goto err;
1724 }
1725 #endif
1726
1727 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1728 goto err;
1729
1730 #ifndef OPENSSL_SYS_VMS
1731 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1732 #else
1733 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1734 #endif
1735 dbattr_conf = app_load_config_quiet(buf);
1736
1737 retdb = app_malloc(sizeof(*retdb), "new DB");
1738 retdb->db = tmpdb;
1739 tmpdb = NULL;
1740 if (db_attr)
1741 retdb->attributes = *db_attr;
1742 else
1743 retdb->attributes.unique_subject = 1;
1744
1745 if (dbattr_conf != NULL) {
1746 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject");
1747
1748 if (p != NULL)
1749 retdb->attributes.unique_subject = parse_yesno(p, 1);
1750 }
1751
1752 retdb->dbfname = OPENSSL_strdup(dbfile);
1753 #ifndef OPENSSL_NO_POSIX_IO
1754 retdb->dbst = dbst;
1755 #endif
1756
1757 err:
1758 ERR_print_errors(bio_err);
1759 NCONF_free(dbattr_conf);
1760 TXT_DB_free(tmpdb);
1761 BIO_free_all(in);
1762 return retdb;
1763 }
1764
1765 /*
1766 * Returns > 0 on success, <= 0 on error
1767 */
index_index(CA_DB * db)1768 int index_index(CA_DB *db)
1769 {
1770 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1771 LHASH_HASH_FN(index_serial),
1772 LHASH_COMP_FN(index_serial))) {
1773 BIO_printf(bio_err,
1774 "Error creating serial number index:(%ld,%ld,%ld)\n",
1775 db->db->error, db->db->arg1, db->db->arg2);
1776 goto err;
1777 }
1778
1779 if (db->attributes.unique_subject
1780 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1781 LHASH_HASH_FN(index_name),
1782 LHASH_COMP_FN(index_name))) {
1783 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1784 db->db->error, db->db->arg1, db->db->arg2);
1785 goto err;
1786 }
1787 return 1;
1788 err:
1789 ERR_print_errors(bio_err);
1790 return 0;
1791 }
1792
save_index(const char * dbfile,const char * suffix,CA_DB * db)1793 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1794 {
1795 char buf[3][BSIZE];
1796 BIO *out;
1797 int j;
1798
1799 j = strlen(dbfile) + strlen(suffix);
1800 if (j + 6 >= BSIZE) {
1801 BIO_printf(bio_err, "File name too long\n");
1802 goto err;
1803 }
1804 #ifndef OPENSSL_SYS_VMS
1805 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1806 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1807 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1808 #else
1809 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1810 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1811 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1812 #endif
1813 out = BIO_new_file(buf[0], "w");
1814 if (out == NULL) {
1815 perror(dbfile);
1816 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1817 goto err;
1818 }
1819 j = TXT_DB_write(out, db->db);
1820 BIO_free(out);
1821 if (j <= 0)
1822 goto err;
1823
1824 out = BIO_new_file(buf[1], "w");
1825 if (out == NULL) {
1826 perror(buf[2]);
1827 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1828 goto err;
1829 }
1830 BIO_printf(out, "unique_subject = %s\n",
1831 db->attributes.unique_subject ? "yes" : "no");
1832 BIO_free(out);
1833
1834 return 1;
1835 err:
1836 ERR_print_errors(bio_err);
1837 return 0;
1838 }
1839
rotate_index(const char * dbfile,const char * new_suffix,const char * old_suffix)1840 int rotate_index(const char *dbfile, const char *new_suffix,
1841 const char *old_suffix)
1842 {
1843 char buf[5][BSIZE];
1844 int i, j;
1845
1846 i = strlen(dbfile) + strlen(old_suffix);
1847 j = strlen(dbfile) + strlen(new_suffix);
1848 if (i > j)
1849 j = i;
1850 if (j + 6 >= BSIZE) {
1851 BIO_printf(bio_err, "File name too long\n");
1852 goto err;
1853 }
1854 #ifndef OPENSSL_SYS_VMS
1855 BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1856 BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1857 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1858 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1859 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1860 #else
1861 BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1862 BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1863 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1864 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1865 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1866 #endif
1867 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1868 #ifdef ENOTDIR
1869 && errno != ENOTDIR
1870 #endif
1871 ) {
1872 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1873 perror("reason");
1874 goto err;
1875 }
1876 if (rename(buf[0], dbfile) < 0) {
1877 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1878 perror("reason");
1879 rename(buf[1], dbfile);
1880 goto err;
1881 }
1882 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1883 #ifdef ENOTDIR
1884 && errno != ENOTDIR
1885 #endif
1886 ) {
1887 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1888 perror("reason");
1889 rename(dbfile, buf[0]);
1890 rename(buf[1], dbfile);
1891 goto err;
1892 }
1893 if (rename(buf[2], buf[4]) < 0) {
1894 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1895 perror("reason");
1896 rename(buf[3], buf[4]);
1897 rename(dbfile, buf[0]);
1898 rename(buf[1], dbfile);
1899 goto err;
1900 }
1901 return 1;
1902 err:
1903 ERR_print_errors(bio_err);
1904 return 0;
1905 }
1906
free_index(CA_DB * db)1907 void free_index(CA_DB *db)
1908 {
1909 if (db) {
1910 TXT_DB_free(db->db);
1911 OPENSSL_free(db->dbfname);
1912 OPENSSL_free(db);
1913 }
1914 }
1915
parse_yesno(const char * str,int def)1916 int parse_yesno(const char *str, int def)
1917 {
1918 if (str) {
1919 switch (*str) {
1920 case 'f': /* false */
1921 case 'F': /* FALSE */
1922 case 'n': /* no */
1923 case 'N': /* NO */
1924 case '0': /* 0 */
1925 return 0;
1926 case 't': /* true */
1927 case 'T': /* TRUE */
1928 case 'y': /* yes */
1929 case 'Y': /* YES */
1930 case '1': /* 1 */
1931 return 1;
1932 }
1933 }
1934 return def;
1935 }
1936
1937 /*
1938 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1939 * where + can be used instead of / to form multi-valued RDNs if canmulti
1940 * and characters may be escaped by \
1941 */
parse_name(const char * cp,int chtype,int canmulti,const char * desc)1942 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1943 const char *desc)
1944 {
1945 int nextismulti = 0;
1946 char *work;
1947 X509_NAME *n;
1948
1949 if (*cp++ != '/') {
1950 BIO_printf(bio_err,
1951 "%s: %s name is expected to be in the format "
1952 "/type0=value0/type1=value1/type2=... where characters may "
1953 "be escaped by \\. This name is not in that format: '%s'\n",
1954 opt_getprog(), desc, --cp);
1955 return NULL;
1956 }
1957
1958 n = X509_NAME_new();
1959 if (n == NULL) {
1960 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1961 return NULL;
1962 }
1963 work = OPENSSL_strdup(cp);
1964 if (work == NULL) {
1965 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1966 opt_getprog(), desc);
1967 goto err;
1968 }
1969
1970 while (*cp != '\0') {
1971 char *bp = work;
1972 char *typestr = bp;
1973 unsigned char *valstr;
1974 int nid;
1975 int ismulti = nextismulti;
1976
1977 nextismulti = 0;
1978
1979 /* Collect the type */
1980 while (*cp != '\0' && *cp != '=')
1981 *bp++ = *cp++;
1982 *bp++ = '\0';
1983 if (*cp == '\0') {
1984 BIO_printf(bio_err,
1985 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1986 opt_getprog(), typestr, desc);
1987 goto err;
1988 }
1989 ++cp;
1990
1991 /* Collect the value. */
1992 valstr = (unsigned char *)bp;
1993 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1994 /* unescaped '+' symbol string signals further member of multiRDN */
1995 if (canmulti && *cp == '+') {
1996 nextismulti = 1;
1997 break;
1998 }
1999 if (*cp == '\\' && *++cp == '\0') {
2000 BIO_printf(bio_err,
2001 "%s: Escape character at end of %s name string\n",
2002 opt_getprog(), desc);
2003 goto err;
2004 }
2005 }
2006 *bp++ = '\0';
2007
2008 /* If not at EOS (must be + or /), move forward. */
2009 if (*cp != '\0')
2010 ++cp;
2011
2012 /* Parse */
2013 nid = OBJ_txt2nid(typestr);
2014 if (nid == NID_undef) {
2015 BIO_printf(bio_err,
2016 "%s warning: Skipping unknown %s name attribute \"%s\"\n",
2017 opt_getprog(), desc, typestr);
2018 if (ismulti)
2019 BIO_printf(bio_err,
2020 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n",
2021 opt_getprog());
2022 continue;
2023 }
2024 if (*valstr == '\0') {
2025 BIO_printf(bio_err,
2026 "%s warning: No value provided for %s name attribute \"%s\", skipped\n",
2027 opt_getprog(), desc, typestr);
2028 continue;
2029 }
2030 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
2031 valstr, strlen((char *)valstr),
2032 -1, ismulti ? -1 : 0)) {
2033 ERR_print_errors(bio_err);
2034 BIO_printf(bio_err,
2035 "%s: Error adding %s name attribute \"/%s=%s\"\n",
2036 opt_getprog(), desc, typestr, valstr);
2037 goto err;
2038 }
2039 }
2040
2041 OPENSSL_free(work);
2042 return n;
2043
2044 err:
2045 X509_NAME_free(n);
2046 OPENSSL_free(work);
2047 return NULL;
2048 }
2049
2050 /*
2051 * Read whole contents of a BIO into an allocated memory buffer and return
2052 * it.
2053 */
2054
bio_to_mem(unsigned char ** out,int maxlen,BIO * in)2055 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2056 {
2057 BIO *mem;
2058 int len, ret;
2059 unsigned char tbuf[1024];
2060
2061 mem = BIO_new(BIO_s_mem());
2062 if (mem == NULL)
2063 return -1;
2064 for (;;) {
2065 if ((maxlen != -1) && maxlen < 1024)
2066 len = maxlen;
2067 else
2068 len = 1024;
2069 len = BIO_read(in, tbuf, len);
2070 if (len < 0) {
2071 BIO_free(mem);
2072 return -1;
2073 }
2074 if (len == 0)
2075 break;
2076 if (BIO_write(mem, tbuf, len) != len) {
2077 BIO_free(mem);
2078 return -1;
2079 }
2080 if (maxlen != -1)
2081 maxlen -= len;
2082
2083 if (maxlen == 0)
2084 break;
2085 }
2086 ret = BIO_get_mem_data(mem, (char **)out);
2087 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2088 BIO_free(mem);
2089 return ret;
2090 }
2091
pkey_ctrl_string(EVP_PKEY_CTX * ctx,const char * value)2092 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2093 {
2094 int rv = 0;
2095 char *stmp, *vtmp = NULL;
2096
2097 stmp = OPENSSL_strdup(value);
2098 if (stmp == NULL)
2099 return -1;
2100 vtmp = strchr(stmp, ':');
2101 if (vtmp == NULL)
2102 goto err;
2103
2104 *vtmp = 0;
2105 vtmp++;
2106 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2107
2108 err:
2109 OPENSSL_free(stmp);
2110 return rv;
2111 }
2112
nodes_print(const char * name,STACK_OF (X509_POLICY_NODE)* nodes)2113 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2114 {
2115 X509_POLICY_NODE *node;
2116 int i;
2117
2118 BIO_printf(bio_err, "%s Policies:", name);
2119 if (nodes) {
2120 BIO_puts(bio_err, "\n");
2121 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2122 node = sk_X509_POLICY_NODE_value(nodes, i);
2123 X509_POLICY_NODE_print(bio_err, node, 2);
2124 }
2125 } else {
2126 BIO_puts(bio_err, " <empty>\n");
2127 }
2128 }
2129
policies_print(X509_STORE_CTX * ctx)2130 void policies_print(X509_STORE_CTX *ctx)
2131 {
2132 X509_POLICY_TREE *tree;
2133 int explicit_policy;
2134
2135 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2136 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2137
2138 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2139 explicit_policy ? "True" : "False");
2140
2141 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2142 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2143 }
2144
2145 /*-
2146 * next_protos_parse parses a comma separated list of strings into a string
2147 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2148 * outlen: (output) set to the length of the resulting buffer on success.
2149 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2150 * in: a NUL terminated string like "abc,def,ghi"
2151 *
2152 * returns: a malloc'd buffer or NULL on failure.
2153 */
next_protos_parse(size_t * outlen,const char * in)2154 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2155 {
2156 size_t len;
2157 unsigned char *out;
2158 size_t i, start = 0;
2159 size_t skipped = 0;
2160
2161 len = strlen(in);
2162 if (len == 0 || len >= 65535)
2163 return NULL;
2164
2165 out = app_malloc(len + 1, "NPN buffer");
2166 for (i = 0; i <= len; ++i) {
2167 if (i == len || in[i] == ',') {
2168 /*
2169 * Zero-length ALPN elements are invalid on the wire, we could be
2170 * strict and reject the entire string, but just ignoring extra
2171 * commas seems harmless and more friendly.
2172 *
2173 * Every comma we skip in this way puts the input buffer another
2174 * byte ahead of the output buffer, so all stores into the output
2175 * buffer need to be decremented by the number commas skipped.
2176 */
2177 if (i == start) {
2178 ++start;
2179 ++skipped;
2180 continue;
2181 }
2182 if (i - start > 255) {
2183 OPENSSL_free(out);
2184 return NULL;
2185 }
2186 out[start - skipped] = (unsigned char)(i - start);
2187 start = i + 1;
2188 } else {
2189 out[i + 1 - skipped] = in[i];
2190 }
2191 }
2192
2193 if (len <= skipped) {
2194 OPENSSL_free(out);
2195 return NULL;
2196 }
2197
2198 *outlen = len + 1 - skipped;
2199 return out;
2200 }
2201
check_cert_attributes(BIO * bio,X509 * x,const char * checkhost,const char * checkemail,const char * checkip,int print)2202 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost,
2203 const char *checkemail, const char *checkip,
2204 int print)
2205 {
2206 int valid_host = 0;
2207 int valid_mail = 0;
2208 int valid_ip = 0;
2209 int ret = 1;
2210
2211 if (x == NULL)
2212 return 0;
2213
2214 if (checkhost != NULL) {
2215 valid_host = X509_check_host(x, checkhost, 0, 0, NULL);
2216 if (print)
2217 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2218 checkhost, valid_host == 1 ? "" : " NOT");
2219 ret = ret && valid_host > 0;
2220 }
2221
2222 if (checkemail != NULL) {
2223 valid_mail = X509_check_email(x, checkemail, 0, 0);
2224 if (print)
2225 BIO_printf(bio, "Email %s does%s match certificate\n",
2226 checkemail, valid_mail ? "" : " NOT");
2227 ret = ret && valid_mail > 0;
2228 }
2229
2230 if (checkip != NULL) {
2231 valid_ip = X509_check_ip_asc(x, checkip, 0);
2232 if (print)
2233 BIO_printf(bio, "IP %s does%s match certificate\n",
2234 checkip, valid_ip ? "" : " NOT");
2235 ret = ret && valid_ip > 0;
2236 }
2237
2238 return ret;
2239 }
2240
do_pkey_ctx_init(EVP_PKEY_CTX * pkctx,STACK_OF (OPENSSL_STRING)* opts)2241 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2242 {
2243 int i;
2244
2245 if (opts == NULL)
2246 return 1;
2247
2248 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2249 char *opt = sk_OPENSSL_STRING_value(opts, i);
2250
2251 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2252 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2253 ERR_print_errors(bio_err);
2254 return 0;
2255 }
2256 }
2257
2258 return 1;
2259 }
2260
do_x509_init(X509 * x,STACK_OF (OPENSSL_STRING)* opts)2261 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2262 {
2263 int i;
2264
2265 if (opts == NULL)
2266 return 1;
2267
2268 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2269 char *opt = sk_OPENSSL_STRING_value(opts, i);
2270
2271 if (x509_ctrl_string(x, opt) <= 0) {
2272 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2273 ERR_print_errors(bio_err);
2274 return 0;
2275 }
2276 }
2277
2278 return 1;
2279 }
2280
do_x509_req_init(X509_REQ * x,STACK_OF (OPENSSL_STRING)* opts)2281 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2282 {
2283 int i;
2284
2285 if (opts == NULL)
2286 return 1;
2287
2288 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2289 char *opt = sk_OPENSSL_STRING_value(opts, i);
2290
2291 if (x509_req_ctrl_string(x, opt) <= 0) {
2292 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2293 ERR_print_errors(bio_err);
2294 return 0;
2295 }
2296 }
2297
2298 return 1;
2299 }
2300
do_sign_init(EVP_MD_CTX * ctx,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2301 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2302 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2303 {
2304 EVP_PKEY_CTX *pkctx = NULL;
2305 char def_md[80];
2306
2307 if (ctx == NULL)
2308 return 0;
2309 /*
2310 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2311 * for this algorithm.
2312 */
2313 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2314 && strcmp(def_md, "UNDEF") == 0) {
2315 /* The signing algorithm requires there to be no digest */
2316 md = NULL;
2317 }
2318
2319 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2320 app_get0_propq(), pkey, NULL)
2321 && do_pkey_ctx_init(pkctx, sigopts);
2322 }
2323
adapt_keyid_ext(X509 * cert,X509V3_CTX * ext_ctx,const char * name,const char * value,int add_default)2324 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2325 const char *name, const char *value, int add_default)
2326 {
2327 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2328 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2329 int idx, rv = 0;
2330
2331 if (new_ext == NULL)
2332 return rv;
2333
2334 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2335 if (idx >= 0) {
2336 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2337 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext);
2338 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */
2339
2340 if (disabled) {
2341 X509_delete_ext(cert, idx);
2342 X509_EXTENSION_free(found_ext);
2343 } /* else keep existing key identifier, which might be outdated */
2344 rv = 1;
2345 } else {
2346 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2347 }
2348 X509_EXTENSION_free(new_ext);
2349 return rv;
2350 }
2351
cert_matches_key(const X509 * cert,const EVP_PKEY * pkey)2352 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey)
2353 {
2354 int match;
2355
2356 ERR_set_mark();
2357 match = X509_check_private_key(cert, pkey);
2358 ERR_pop_to_mark();
2359 return match;
2360 }
2361
2362 /* 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)2363 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md,
2364 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2365 {
2366 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2367 int self_sign;
2368 int rv = 0;
2369
2370 if (!force_v1) {
2371 if (!X509_set_version(cert, X509_VERSION_3))
2372 goto end;
2373
2374 /*
2375 * Add default SKID before AKID such that AKID can make use of it
2376 * in case the certificate is self-signed
2377 */
2378 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2379 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2380 goto end;
2381 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2382 self_sign = cert_matches_key(cert, pkey);
2383 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2384 "keyid, issuer", !self_sign))
2385 goto end;
2386 }
2387 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */
2388
2389 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2390 rv = (X509_sign_ctx(cert, mctx) > 0);
2391 end:
2392 EVP_MD_CTX_free(mctx);
2393 return rv;
2394 }
2395
2396 /* Sign the certificate request info */
do_X509_REQ_sign(X509_REQ * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2397 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2398 STACK_OF(OPENSSL_STRING) *sigopts)
2399 {
2400 int rv = 0;
2401 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2402
2403 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2404 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2405 EVP_MD_CTX_free(mctx);
2406 return rv;
2407 }
2408
2409 /* Sign the CRL info */
do_X509_CRL_sign(X509_CRL * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2410 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2411 STACK_OF(OPENSSL_STRING) *sigopts)
2412 {
2413 int rv = 0;
2414 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2415
2416 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2417 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2418 EVP_MD_CTX_free(mctx);
2419 return rv;
2420 }
2421
2422 /*
2423 * do_X509_verify returns 1 if the signature is valid,
2424 * 0 if the signature check fails, or -1 if error occurs.
2425 */
do_X509_verify(X509 * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2426 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2427 {
2428 int rv = 0;
2429
2430 if (do_x509_init(x, vfyopts) > 0)
2431 rv = X509_verify(x, pkey);
2432 else
2433 rv = -1;
2434 return rv;
2435 }
2436
2437 /*
2438 * do_X509_REQ_verify returns 1 if the signature is valid,
2439 * 0 if the signature check fails, or -1 if error occurs.
2440 */
do_X509_REQ_verify(X509_REQ * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2441 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2442 STACK_OF(OPENSSL_STRING) *vfyopts)
2443 {
2444 int rv = 0;
2445
2446 if (do_x509_req_init(x, vfyopts) > 0)
2447 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq());
2448 else
2449 rv = -1;
2450 return rv;
2451 }
2452
2453 /* Get first http URL from a DIST_POINT structure */
2454
get_dp_url(DIST_POINT * dp)2455 static const char *get_dp_url(DIST_POINT *dp)
2456 {
2457 GENERAL_NAMES *gens;
2458 GENERAL_NAME *gen;
2459 int i, gtype;
2460 ASN1_STRING *uri;
2461
2462 if (!dp->distpoint || dp->distpoint->type != 0)
2463 return NULL;
2464 gens = dp->distpoint->name.fullname;
2465 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2466 gen = sk_GENERAL_NAME_value(gens, i);
2467 uri = GENERAL_NAME_get0_value(gen, >ype);
2468 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2469 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2470
2471 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2472 return uptr;
2473 }
2474 }
2475 return NULL;
2476 }
2477
2478 /*
2479 * Look through a CRLDP structure and attempt to find an http URL to
2480 * downloads a CRL from.
2481 */
2482
load_crl_crldp(STACK_OF (DIST_POINT)* crldp)2483 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2484 {
2485 int i;
2486 const char *urlptr = NULL;
2487
2488 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2489 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2490
2491 urlptr = get_dp_url(dp);
2492 if (urlptr != NULL)
2493 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2494 }
2495 return NULL;
2496 }
2497
2498 /*
2499 * Example of downloading CRLs from CRLDP:
2500 * not usable for real world as it always downloads and doesn't cache anything.
2501 */
2502
STACK_OF(X509_CRL)2503 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2504 const X509_NAME *nm)
2505 {
2506 X509 *x;
2507 STACK_OF(X509_CRL) *crls = NULL;
2508 X509_CRL *crl;
2509 STACK_OF(DIST_POINT) *crldp;
2510
2511 crls = sk_X509_CRL_new_null();
2512 if (!crls)
2513 return NULL;
2514 x = X509_STORE_CTX_get_current_cert(ctx);
2515 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2516 crl = load_crl_crldp(crldp);
2517 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2518 if (!crl) {
2519 sk_X509_CRL_free(crls);
2520 return NULL;
2521 }
2522 sk_X509_CRL_push(crls, crl);
2523 /* Try to download delta CRL */
2524 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2525 crl = load_crl_crldp(crldp);
2526 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2527 if (crl)
2528 sk_X509_CRL_push(crls, crl);
2529 return crls;
2530 }
2531
store_setup_crl_download(X509_STORE * st)2532 void store_setup_crl_download(X509_STORE *st)
2533 {
2534 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2535 }
2536
2537 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
tls_error_hint(void)2538 static const char *tls_error_hint(void)
2539 {
2540 unsigned long err = ERR_peek_error();
2541
2542 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2543 err = ERR_peek_last_error();
2544 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2545 return NULL; /* likely no TLS error */
2546
2547 switch (ERR_GET_REASON(err)) {
2548 case SSL_R_WRONG_VERSION_NUMBER:
2549 return "The server does not support (a suitable version of) TLS";
2550 case SSL_R_UNKNOWN_PROTOCOL:
2551 return "The server does not support HTTPS";
2552 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2553 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2554 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2555 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2556 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2557 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2558 default:
2559 return NULL; /* no hint available for TLS error */
2560 }
2561 }
2562
http_tls_shutdown(BIO * bio)2563 static BIO *http_tls_shutdown(BIO *bio)
2564 {
2565 if (bio != NULL) {
2566 BIO *cbio;
2567 const char *hint = tls_error_hint();
2568
2569 if (hint != NULL)
2570 BIO_printf(bio_err, "%s\n", hint);
2571 (void)ERR_set_mark();
2572 BIO_ssl_shutdown(bio);
2573 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2574 BIO_free(bio); /* SSL BIO */
2575 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2576 bio = cbio;
2577 }
2578 return bio;
2579 }
2580
2581 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
app_http_tls_cb(BIO * bio,void * arg,int connect,int detail)2582 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2583 {
2584 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2585 SSL_CTX *ssl_ctx = info->ssl_ctx;
2586
2587 if (ssl_ctx == NULL) /* not using TLS */
2588 return bio;
2589 if (connect) {
2590 SSL *ssl;
2591 BIO *sbio = NULL;
2592 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2593 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2594 const char *host = vpm == NULL ? NULL :
2595 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2596
2597 /* adapt after fixing callback design flaw, see #17088 */
2598 if ((info->use_proxy
2599 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2600 NULL, NULL, /* no proxy credentials */
2601 info->timeout, bio_err, opt_getprog()))
2602 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2603 return NULL;
2604 }
2605 if ((ssl = SSL_new(ssl_ctx)) == NULL) {
2606 BIO_free(sbio);
2607 return NULL;
2608 }
2609
2610 if (vpm != NULL)
2611 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2612
2613 SSL_set_connect_state(ssl);
2614 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2615
2616 bio = BIO_push(sbio, bio);
2617 } else { /* disconnect from TLS */
2618 bio = http_tls_shutdown(bio);
2619 }
2620 return bio;
2621 }
2622
APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO * info)2623 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2624 {
2625 if (info != NULL) {
2626 SSL_CTX_free(info->ssl_ctx);
2627 OPENSSL_free(info);
2628 }
2629 }
2630
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)2631 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2632 const char *no_proxy, SSL_CTX *ssl_ctx,
2633 const STACK_OF(CONF_VALUE) *headers,
2634 long timeout, const char *expected_content_type,
2635 const ASN1_ITEM *it)
2636 {
2637 APP_HTTP_TLS_INFO info;
2638 char *server;
2639 char *port;
2640 int use_ssl;
2641 BIO *mem;
2642 ASN1_VALUE *resp = NULL;
2643
2644 if (url == NULL || it == NULL) {
2645 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2646 return NULL;
2647 }
2648
2649 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2650 NULL /* port_num, */, NULL, NULL, NULL))
2651 return NULL;
2652 if (use_ssl && ssl_ctx == NULL) {
2653 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2654 "missing SSL_CTX");
2655 goto end;
2656 }
2657 if (!use_ssl && ssl_ctx != NULL) {
2658 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2659 "SSL_CTX given but use_ssl == 0");
2660 goto end;
2661 }
2662
2663 info.server = server;
2664 info.port = port;
2665 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2666 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2667 info.timeout = timeout;
2668 info.ssl_ctx = ssl_ctx;
2669 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2670 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2671 expected_content_type, 1 /* expect_asn1 */,
2672 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2673 resp = ASN1_item_d2i_bio(it, mem, NULL);
2674 BIO_free(mem);
2675
2676 end:
2677 OPENSSL_free(server);
2678 OPENSSL_free(port);
2679 return resp;
2680
2681 }
2682
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)2683 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2684 const char *path, const char *proxy,
2685 const char *no_proxy, SSL_CTX *ssl_ctx,
2686 const STACK_OF(CONF_VALUE) *headers,
2687 const char *content_type,
2688 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2689 const char *expected_content_type,
2690 long timeout, const ASN1_ITEM *rsp_it)
2691 {
2692 int use_ssl = ssl_ctx != NULL;
2693 APP_HTTP_TLS_INFO info;
2694 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2695 ASN1_VALUE *res;
2696
2697 if (req_mem == NULL)
2698 return NULL;
2699
2700 info.server = host;
2701 info.port = port;
2702 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2703 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2704 info.timeout = timeout;
2705 info.ssl_ctx = ssl_ctx;
2706 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2707 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2708 app_http_tls_cb, &info,
2709 0 /* buf_size */, headers, content_type, req_mem,
2710 expected_content_type, 1 /* expect_asn1 */,
2711 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2712 0 /* keep_alive */);
2713 BIO_free(req_mem);
2714 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2715 BIO_free(rsp);
2716 return res;
2717 }
2718
2719 #endif
2720
2721 /*
2722 * Platform-specific sections
2723 */
2724 #if defined(_WIN32)
2725 # ifdef fileno
2726 # undef fileno
2727 # define fileno(a) (int)_fileno(a)
2728 # endif
2729
2730 # include <windows.h>
2731 # include <tchar.h>
2732
WIN32_rename(const char * from,const char * to)2733 static int WIN32_rename(const char *from, const char *to)
2734 {
2735 TCHAR *tfrom = NULL, *tto;
2736 DWORD err;
2737 int ret = 0;
2738
2739 if (sizeof(TCHAR) == 1) {
2740 tfrom = (TCHAR *)from;
2741 tto = (TCHAR *)to;
2742 } else { /* UNICODE path */
2743 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2744
2745 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2746 if (tfrom == NULL)
2747 goto err;
2748 tto = tfrom + flen;
2749 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2750 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2751 # endif
2752 for (i = 0; i < flen; i++)
2753 tfrom[i] = (TCHAR)from[i];
2754 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2755 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2756 # endif
2757 for (i = 0; i < tlen; i++)
2758 tto[i] = (TCHAR)to[i];
2759 }
2760
2761 if (MoveFile(tfrom, tto))
2762 goto ok;
2763 err = GetLastError();
2764 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2765 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2766 goto ok;
2767 err = GetLastError();
2768 }
2769 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2770 errno = ENOENT;
2771 else if (err == ERROR_ACCESS_DENIED)
2772 errno = EACCES;
2773 else
2774 errno = EINVAL; /* we could map more codes... */
2775 err:
2776 ret = -1;
2777 ok:
2778 if (tfrom != NULL && tfrom != (TCHAR *)from)
2779 free(tfrom);
2780 return ret;
2781 }
2782 #endif
2783
2784 /* app_tminterval section */
2785 #if defined(_WIN32)
app_tminterval(int stop,int usertime)2786 double app_tminterval(int stop, int usertime)
2787 {
2788 FILETIME now;
2789 double ret = 0;
2790 static ULARGE_INTEGER tmstart;
2791 static int warning = 1;
2792 int use_GetSystemTime = 1;
2793 # ifdef _WIN32_WINNT
2794 static HANDLE proc = NULL;
2795
2796 if (proc == NULL) {
2797 if (check_winnt())
2798 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2799 GetCurrentProcessId());
2800 if (proc == NULL)
2801 proc = (HANDLE) - 1;
2802 }
2803
2804 if (usertime && proc != (HANDLE) - 1) {
2805 FILETIME junk;
2806
2807 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2808 use_GetSystemTime = 0;
2809 }
2810 # endif
2811 if (use_GetSystemTime) {
2812 SYSTEMTIME systime;
2813
2814 if (usertime && warning) {
2815 BIO_printf(bio_err, "To get meaningful results, run "
2816 "this program on idle system.\n");
2817 warning = 0;
2818 }
2819 GetSystemTime(&systime);
2820 SystemTimeToFileTime(&systime, &now);
2821 }
2822
2823 if (stop == TM_START) {
2824 tmstart.u.LowPart = now.dwLowDateTime;
2825 tmstart.u.HighPart = now.dwHighDateTime;
2826 } else {
2827 ULARGE_INTEGER tmstop;
2828
2829 tmstop.u.LowPart = now.dwLowDateTime;
2830 tmstop.u.HighPart = now.dwHighDateTime;
2831
2832 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2833 }
2834
2835 return ret;
2836 }
2837 #elif defined(OPENSSL_SYS_VXWORKS)
2838 # include <time.h>
2839
app_tminterval(int stop,int usertime)2840 double app_tminterval(int stop, int usertime)
2841 {
2842 double ret = 0;
2843 # ifdef CLOCK_REALTIME
2844 static struct timespec tmstart;
2845 struct timespec now;
2846 # else
2847 static unsigned long tmstart;
2848 unsigned long now;
2849 # endif
2850 static int warning = 1;
2851
2852 if (usertime && warning) {
2853 BIO_printf(bio_err, "To get meaningful results, run "
2854 "this program on idle system.\n");
2855 warning = 0;
2856 }
2857 # ifdef CLOCK_REALTIME
2858 clock_gettime(CLOCK_REALTIME, &now);
2859 if (stop == TM_START)
2860 tmstart = now;
2861 else
2862 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2863 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2864 # else
2865 now = tickGet();
2866 if (stop == TM_START)
2867 tmstart = now;
2868 else
2869 ret = (now - tmstart) / (double)sysClkRateGet();
2870 # endif
2871 return ret;
2872 }
2873
2874 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2875 # include <sys/times.h>
2876
app_tminterval(int stop,int usertime)2877 double app_tminterval(int stop, int usertime)
2878 {
2879 double ret = 0;
2880 struct tms rus;
2881 clock_t now = times(&rus);
2882 static clock_t tmstart;
2883
2884 if (usertime)
2885 now = rus.tms_utime;
2886
2887 if (stop == TM_START) {
2888 tmstart = now;
2889 } else {
2890 long int tck = sysconf(_SC_CLK_TCK);
2891
2892 ret = (now - tmstart) / (double)tck;
2893 }
2894
2895 return ret;
2896 }
2897
2898 #else
2899 # include <sys/time.h>
2900 # include <sys/resource.h>
2901
app_tminterval(int stop,int usertime)2902 double app_tminterval(int stop, int usertime)
2903 {
2904 double ret = 0;
2905 struct rusage rus;
2906 struct timeval now;
2907 static struct timeval tmstart;
2908
2909 if (usertime)
2910 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2911 else
2912 gettimeofday(&now, NULL);
2913
2914 if (stop == TM_START)
2915 tmstart = now;
2916 else
2917 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2918 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2919
2920 return ret;
2921 }
2922 #endif
2923
app_access(const char * name,int flag)2924 int app_access(const char *name, int flag)
2925 {
2926 #ifdef _WIN32
2927 return _access(name, flag);
2928 #else
2929 return access(name, flag);
2930 #endif
2931 }
2932
app_isdir(const char * name)2933 int app_isdir(const char *name)
2934 {
2935 return opt_isdir(name);
2936 }
2937
2938 /* raw_read|write section */
2939 #if defined(__VMS)
2940 # include "vms_term_sock.h"
2941 static int stdin_sock = -1;
2942
close_stdin_sock(void)2943 static void close_stdin_sock(void)
2944 {
2945 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock);
2946 }
2947
fileno_stdin(void)2948 int fileno_stdin(void)
2949 {
2950 if (stdin_sock == -1) {
2951 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2952 atexit(close_stdin_sock);
2953 }
2954
2955 return stdin_sock;
2956 }
2957 #else
fileno_stdin(void)2958 int fileno_stdin(void)
2959 {
2960 return fileno(stdin);
2961 }
2962 #endif
2963
fileno_stdout(void)2964 int fileno_stdout(void)
2965 {
2966 return fileno(stdout);
2967 }
2968
2969 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
raw_read_stdin(void * buf,int siz)2970 int raw_read_stdin(void *buf, int siz)
2971 {
2972 DWORD n;
2973
2974 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2975 return n;
2976 else
2977 return -1;
2978 }
2979 #elif defined(__VMS)
2980 # include <sys/socket.h>
2981
raw_read_stdin(void * buf,int siz)2982 int raw_read_stdin(void *buf, int siz)
2983 {
2984 return recv(fileno_stdin(), buf, siz, 0);
2985 }
2986 #else
raw_read_stdin(void * buf,int siz)2987 int raw_read_stdin(void *buf, int siz)
2988 {
2989 return read(fileno_stdin(), buf, siz);
2990 }
2991 #endif
2992
2993 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
raw_write_stdout(const void * buf,int siz)2994 int raw_write_stdout(const void *buf, int siz)
2995 {
2996 DWORD n;
2997
2998 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2999 return n;
3000 else
3001 return -1;
3002 }
3003 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \
3004 && defined(_SPT_MODEL_)
raw_write_stdout(const void * buf,int siz)3005 int raw_write_stdout(const void *buf, int siz)
3006 {
3007 return write(fileno(stdout), (void *)buf, siz);
3008 }
3009 #else
raw_write_stdout(const void * buf,int siz)3010 int raw_write_stdout(const void *buf, int siz)
3011 {
3012 return write(fileno_stdout(), buf, siz);
3013 }
3014 #endif
3015
3016 /*
3017 * Centralized handling of input and output files with format specification
3018 * The format is meant to show what the input and output is supposed to be,
3019 * and is therefore a show of intent more than anything else. However, it
3020 * does impact behavior on some platforms, such as differentiating between
3021 * text and binary input/output on non-Unix platforms
3022 */
dup_bio_in(int format)3023 BIO *dup_bio_in(int format)
3024 {
3025 return BIO_new_fp(stdin,
3026 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3027 }
3028
dup_bio_out(int format)3029 BIO *dup_bio_out(int format)
3030 {
3031 BIO *b = BIO_new_fp(stdout,
3032 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3033 void *prefix = NULL;
3034
3035 if (b == NULL)
3036 return NULL;
3037
3038 #ifdef OPENSSL_SYS_VMS
3039 if (FMT_istext(format))
3040 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3041 #endif
3042
3043 if (FMT_istext(format)
3044 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
3045 b = BIO_push(BIO_new(BIO_f_prefix()), b);
3046 BIO_set_prefix(b, prefix);
3047 }
3048
3049 return b;
3050 }
3051
dup_bio_err(int format)3052 BIO *dup_bio_err(int format)
3053 {
3054 BIO *b = BIO_new_fp(stderr,
3055 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3056
3057 #ifdef OPENSSL_SYS_VMS
3058 if (b != NULL && FMT_istext(format))
3059 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3060 #endif
3061 return b;
3062 }
3063
unbuffer(FILE * fp)3064 void unbuffer(FILE *fp)
3065 {
3066 /*
3067 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
3068 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
3069 * However, we trust that the C RTL will never give us a FILE pointer
3070 * above the first 4 GB of memory, so we simply turn off the warning
3071 * temporarily.
3072 */
3073 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3074 # pragma environment save
3075 # pragma message disable maylosedata2
3076 #endif
3077 setbuf(fp, NULL);
3078 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3079 # pragma environment restore
3080 #endif
3081 }
3082
modestr(char mode,int format)3083 static const char *modestr(char mode, int format)
3084 {
3085 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
3086
3087 switch (mode) {
3088 case 'a':
3089 return FMT_istext(format) ? "a" : "ab";
3090 case 'r':
3091 return FMT_istext(format) ? "r" : "rb";
3092 case 'w':
3093 return FMT_istext(format) ? "w" : "wb";
3094 }
3095 /* The assert above should make sure we never reach this point */
3096 return NULL;
3097 }
3098
modeverb(char mode)3099 static const char *modeverb(char mode)
3100 {
3101 switch (mode) {
3102 case 'a':
3103 return "appending";
3104 case 'r':
3105 return "reading";
3106 case 'w':
3107 return "writing";
3108 }
3109 return "(doing something)";
3110 }
3111
3112 /*
3113 * Open a file for writing, owner-read-only.
3114 */
bio_open_owner(const char * filename,int format,int private)3115 BIO *bio_open_owner(const char *filename, int format, int private)
3116 {
3117 FILE *fp = NULL;
3118 BIO *b = NULL;
3119 int textmode, bflags;
3120 #ifndef OPENSSL_NO_POSIX_IO
3121 int fd = -1, mode;
3122 #endif
3123
3124 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3125 return bio_open_default(filename, 'w', format);
3126
3127 textmode = FMT_istext(format);
3128 #ifndef OPENSSL_NO_POSIX_IO
3129 mode = O_WRONLY;
3130 # ifdef O_CREAT
3131 mode |= O_CREAT;
3132 # endif
3133 # ifdef O_TRUNC
3134 mode |= O_TRUNC;
3135 # endif
3136 if (!textmode) {
3137 # ifdef O_BINARY
3138 mode |= O_BINARY;
3139 # elif defined(_O_BINARY)
3140 mode |= _O_BINARY;
3141 # endif
3142 }
3143
3144 # ifdef OPENSSL_SYS_VMS
3145 /*
3146 * VMS doesn't have O_BINARY, it just doesn't make sense. But,
3147 * it still needs to know that we're going binary, or fdopen()
3148 * will fail with "invalid argument"... so we tell VMS what the
3149 * context is.
3150 */
3151 if (!textmode)
3152 fd = open(filename, mode, 0600, "ctx=bin");
3153 else
3154 # endif
3155 fd = open(filename, mode, 0600);
3156 if (fd < 0)
3157 goto err;
3158 fp = fdopen(fd, modestr('w', format));
3159 #else /* OPENSSL_NO_POSIX_IO */
3160 /* Have stdio but not Posix IO, do the best we can */
3161 fp = fopen(filename, modestr('w', format));
3162 #endif /* OPENSSL_NO_POSIX_IO */
3163 if (fp == NULL)
3164 goto err;
3165 bflags = BIO_CLOSE;
3166 if (textmode)
3167 bflags |= BIO_FP_TEXT;
3168 b = BIO_new_fp(fp, bflags);
3169 if (b != NULL)
3170 return b;
3171
3172 err:
3173 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3174 opt_getprog(), filename, strerror(errno));
3175 ERR_print_errors(bio_err);
3176 /* If we have fp, then fdopen took over fd, so don't close both. */
3177 if (fp != NULL)
3178 fclose(fp);
3179 #ifndef OPENSSL_NO_POSIX_IO
3180 else if (fd >= 0)
3181 close(fd);
3182 #endif
3183 return NULL;
3184 }
3185
bio_open_default_(const char * filename,char mode,int format,int quiet)3186 static BIO *bio_open_default_(const char *filename, char mode, int format,
3187 int quiet)
3188 {
3189 BIO *ret;
3190
3191 if (filename == NULL || strcmp(filename, "-") == 0) {
3192 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3193 if (quiet) {
3194 ERR_clear_error();
3195 return ret;
3196 }
3197 if (ret != NULL)
3198 return ret;
3199 BIO_printf(bio_err,
3200 "Can't open %s, %s\n",
3201 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3202 } else {
3203 ret = BIO_new_file(filename, modestr(mode, format));
3204 if (quiet) {
3205 ERR_clear_error();
3206 return ret;
3207 }
3208 if (ret != NULL)
3209 return ret;
3210 BIO_printf(bio_err,
3211 "Can't open \"%s\" for %s, %s\n",
3212 filename, modeverb(mode), strerror(errno));
3213 }
3214 ERR_print_errors(bio_err);
3215 return NULL;
3216 }
3217
bio_open_default(const char * filename,char mode,int format)3218 BIO *bio_open_default(const char *filename, char mode, int format)
3219 {
3220 return bio_open_default_(filename, mode, format, 0);
3221 }
3222
bio_open_default_quiet(const char * filename,char mode,int format)3223 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3224 {
3225 return bio_open_default_(filename, mode, format, 1);
3226 }
3227
wait_for_async(SSL * s)3228 void wait_for_async(SSL *s)
3229 {
3230 /* On Windows select only works for sockets, so we simply don't wait */
3231 #ifndef OPENSSL_SYS_WINDOWS
3232 int width = 0;
3233 fd_set asyncfds;
3234 OSSL_ASYNC_FD *fds;
3235 size_t numfds;
3236 size_t i;
3237
3238 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3239 return;
3240 if (numfds == 0)
3241 return;
3242 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3243 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3244 OPENSSL_free(fds);
3245 return;
3246 }
3247
3248 FD_ZERO(&asyncfds);
3249 for (i = 0; i < numfds; i++) {
3250 if (width <= (int)fds[i])
3251 width = (int)fds[i] + 1;
3252 openssl_fdset((int)fds[i], &asyncfds);
3253 }
3254 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3255 OPENSSL_free(fds);
3256 #endif
3257 }
3258
3259 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3260 #if defined(OPENSSL_SYS_MSDOS)
has_stdin_waiting(void)3261 int has_stdin_waiting(void)
3262 {
3263 # if defined(OPENSSL_SYS_WINDOWS)
3264 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3265 DWORD events = 0;
3266 INPUT_RECORD inputrec;
3267 DWORD insize = 1;
3268 BOOL peeked;
3269
3270 if (inhand == INVALID_HANDLE_VALUE) {
3271 return 0;
3272 }
3273
3274 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3275 if (!peeked) {
3276 /* Probably redirected input? _kbhit() does not work in this case */
3277 if (!feof(stdin)) {
3278 return 1;
3279 }
3280 return 0;
3281 }
3282 # endif
3283 return _kbhit();
3284 }
3285 #endif
3286
3287 /* Corrupt a signature by modifying final byte */
corrupt_signature(const ASN1_STRING * signature)3288 void corrupt_signature(const ASN1_STRING *signature)
3289 {
3290 unsigned char *s = signature->data;
3291
3292 s[signature->length - 1] ^= 0x1;
3293 }
3294
check_cert_time_string(const char * time,const char * desc)3295 int check_cert_time_string(const char *time, const char *desc)
3296 {
3297 if (time == NULL || strcmp(time, "today") == 0
3298 || ASN1_TIME_set_string_X509(NULL, time))
3299 return 1;
3300 BIO_printf(bio_err,
3301 "%s is invalid, it should be \"today\" or have format [CC]YYMMDDHHMMSSZ\n",
3302 desc);
3303 return 0;
3304 }
3305
set_cert_times(X509 * x,const char * startdate,const char * enddate,int days,int strict_compare_times)3306 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3307 int days, int strict_compare_times)
3308 {
3309 if (!check_cert_time_string(startdate, "start date"))
3310 return 0;
3311 if (!check_cert_time_string(enddate, "end date"))
3312 return 0;
3313 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3314 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) {
3315 BIO_printf(bio_err, "Error setting notBefore certificate field\n");
3316 return 0;
3317 }
3318 } else {
3319 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) {
3320 BIO_printf(bio_err, "Error setting notBefore certificate field\n");
3321 return 0;
3322 }
3323 }
3324 if (enddate != NULL && strcmp(enddate, "today") == 0) {
3325 enddate = NULL;
3326 days = 0;
3327 }
3328 if (enddate == NULL) {
3329 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) == NULL) {
3330 BIO_printf(bio_err, "Error setting notAfter certificate field\n");
3331 return 0;
3332 }
3333 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3334 BIO_printf(bio_err, "Error setting notAfter certificate field\n");
3335 return 0;
3336 }
3337 if (ASN1_TIME_compare(X509_get0_notAfter(x), X509_get0_notBefore(x)) < 0) {
3338 BIO_printf(bio_err, "%s: end date before start date\n",
3339 strict_compare_times ? "Error" : "Warning");
3340 if (strict_compare_times)
3341 return 0;
3342 }
3343 return 1;
3344 }
3345
set_crl_lastupdate(X509_CRL * crl,const char * lastupdate)3346 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3347 {
3348 int ret = 0;
3349 ASN1_TIME *tm = ASN1_TIME_new();
3350
3351 if (tm == NULL)
3352 goto end;
3353
3354 if (lastupdate == NULL) {
3355 if (X509_gmtime_adj(tm, 0) == NULL)
3356 goto end;
3357 } else {
3358 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3359 goto end;
3360 }
3361
3362 if (!X509_CRL_set1_lastUpdate(crl, tm))
3363 goto end;
3364
3365 ret = 1;
3366 end:
3367 ASN1_TIME_free(tm);
3368 return ret;
3369 }
3370
set_crl_nextupdate(X509_CRL * crl,const char * nextupdate,long days,long hours,long secs)3371 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3372 long days, long hours, long secs)
3373 {
3374 int ret = 0;
3375 ASN1_TIME *tm = ASN1_TIME_new();
3376
3377 if (tm == NULL)
3378 goto end;
3379
3380 if (nextupdate == NULL) {
3381 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3382 goto end;
3383 } else {
3384 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3385 goto end;
3386 }
3387
3388 if (!X509_CRL_set1_nextUpdate(crl, tm))
3389 goto end;
3390
3391 ret = 1;
3392 end:
3393 ASN1_TIME_free(tm);
3394 return ret;
3395 }
3396
make_uppercase(char * string)3397 void make_uppercase(char *string)
3398 {
3399 int i;
3400
3401 for (i = 0; string[i] != '\0'; i++)
3402 string[i] = toupper((unsigned char)string[i]);
3403 }
3404
app_params_new_from_opts(STACK_OF (OPENSSL_STRING)* opts,const OSSL_PARAM * paramdefs)3405 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3406 const OSSL_PARAM *paramdefs)
3407 {
3408 OSSL_PARAM *params = NULL;
3409 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3410 size_t params_n;
3411 char *opt = "", *stmp, *vtmp = NULL;
3412 int found = 1;
3413
3414 if (opts == NULL)
3415 return NULL;
3416
3417 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3418 if (params == NULL)
3419 return NULL;
3420
3421 for (params_n = 0; params_n < sz; params_n++) {
3422 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3423 if ((stmp = OPENSSL_strdup(opt)) == NULL
3424 || (vtmp = strchr(stmp, ':')) == NULL)
3425 goto err;
3426 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3427 *vtmp = 0;
3428 /* Skip over the separator so that vmtp points to the value */
3429 vtmp++;
3430 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs,
3431 stmp, vtmp, strlen(vtmp), &found))
3432 goto err;
3433 OPENSSL_free(stmp);
3434 }
3435 params[params_n] = OSSL_PARAM_construct_end();
3436 return params;
3437 err:
3438 OPENSSL_free(stmp);
3439 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3440 opt);
3441 ERR_print_errors(bio_err);
3442 app_params_free(params);
3443 return NULL;
3444 }
3445
app_params_free(OSSL_PARAM * params)3446 void app_params_free(OSSL_PARAM *params)
3447 {
3448 int i;
3449
3450 if (params != NULL) {
3451 for (i = 0; params[i].key != NULL; ++i)
3452 OPENSSL_free(params[i].data);
3453 OPENSSL_free(params);
3454 }
3455 }
3456
app_keygen(EVP_PKEY_CTX * ctx,const char * alg,int bits,int verbose)3457 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3458 {
3459 EVP_PKEY *res = NULL;
3460
3461 if (verbose && alg != NULL) {
3462 BIO_printf(bio_err, "Generating %s key", alg);
3463 if (bits > 0)
3464 BIO_printf(bio_err, " with %d bits\n", bits);
3465 else
3466 BIO_printf(bio_err, "\n");
3467 }
3468 if (!RAND_status())
3469 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3470 "if the system has a poor entropy source\n");
3471 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3472 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(),
3473 alg != NULL ? alg : "asymmetric");
3474 return res;
3475 }
3476
app_paramgen(EVP_PKEY_CTX * ctx,const char * alg)3477 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3478 {
3479 EVP_PKEY *res = NULL;
3480
3481 if (!RAND_status())
3482 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3483 "if the system has a poor entropy source\n");
3484 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3485 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n",
3486 opt_getprog(), alg != NULL ? alg : "asymmetric");
3487 return res;
3488 }
3489
3490 /*
3491 * Return non-zero if the legacy path is still an option.
3492 * This decision is based on the global command line operations and the
3493 * behaviour thus far.
3494 */
opt_legacy_okay(void)3495 int opt_legacy_okay(void)
3496 {
3497 int provider_options = opt_provider_option_given();
3498 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3499
3500 /*
3501 * Having a provider option specified or a custom library context or
3502 * property query, is a sure sign we're not using legacy.
3503 */
3504 if (provider_options || libctx)
3505 return 0;
3506 return 1;
3507 }
3508
