1 /*
2 * Copyright 1995-2023 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/store.h>
48 #include <openssl/core_names.h>
49 #include "s_apps.h"
50 #include "apps.h"
51
52 #ifdef _WIN32
53 static int WIN32_rename(const char *from, const char *to);
54 # define rename(from,to) WIN32_rename((from),(to))
55 #endif
56
57 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
58 # include <conio.h>
59 #endif
60
61 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
62 # define _kbhit kbhit
63 #endif
64
65 static BIO *bio_open_default_(const char *filename, char mode, int format,
66 int quiet);
67
68 #define PASS_SOURCE_SIZE_MAX 4
69
70 DEFINE_STACK_OF(CONF)
71
72 typedef struct {
73 const char *name;
74 unsigned long flag;
75 unsigned long mask;
76 } NAME_EX_TBL;
77
78 static int set_table_opts(unsigned long *flags, const char *arg,
79 const NAME_EX_TBL * in_tbl);
80 static int set_multi_opts(unsigned long *flags, const char *arg,
81 const NAME_EX_TBL * in_tbl);
82 static
83 int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin,
84 const char *pass, const char *desc,
85 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
86 EVP_PKEY **pparams,
87 X509 **pcert, STACK_OF(X509) **pcerts,
88 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls,
89 int suppress_decode_errors);
90
91 int app_init(long mesgwin);
92
chopup_args(ARGS * arg,char * buf)93 int chopup_args(ARGS *arg, char *buf)
94 {
95 int quoted;
96 char c = '\0', *p = NULL;
97
98 arg->argc = 0;
99 if (arg->size == 0) {
100 arg->size = 20;
101 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
102 }
103
104 for (p = buf;;) {
105 /* Skip whitespace. */
106 while (*p && isspace(_UC(*p)))
107 p++;
108 if (*p == '\0')
109 break;
110
111 /* The start of something good :-) */
112 if (arg->argc >= arg->size) {
113 char **tmp;
114 arg->size += 20;
115 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
116 if (tmp == NULL)
117 return 0;
118 arg->argv = tmp;
119 }
120 quoted = *p == '\'' || *p == '"';
121 if (quoted)
122 c = *p++;
123 arg->argv[arg->argc++] = p;
124
125 /* now look for the end of this */
126 if (quoted) {
127 while (*p && *p != c)
128 p++;
129 *p++ = '\0';
130 } else {
131 while (*p && !isspace(_UC(*p)))
132 p++;
133 if (*p)
134 *p++ = '\0';
135 }
136 }
137 arg->argv[arg->argc] = NULL;
138 return 1;
139 }
140
141 #ifndef APP_INIT
app_init(long mesgwin)142 int app_init(long mesgwin)
143 {
144 return 1;
145 }
146 #endif
147
ctx_set_verify_locations(SSL_CTX * ctx,const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)148 int ctx_set_verify_locations(SSL_CTX *ctx,
149 const char *CAfile, int noCAfile,
150 const char *CApath, int noCApath,
151 const char *CAstore, int noCAstore)
152 {
153 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
154 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
155 return 0;
156 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
157 return 0;
158 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
159 return 0;
160
161 return 1;
162 }
163
164 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
165 return 0;
166 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
167 return 0;
168 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
169 return 0;
170 return 1;
171 }
172
173 #ifndef OPENSSL_NO_CT
174
ctx_set_ctlog_list_file(SSL_CTX * ctx,const char * path)175 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
176 {
177 if (path == NULL)
178 return SSL_CTX_set_default_ctlog_list_file(ctx);
179
180 return SSL_CTX_set_ctlog_list_file(ctx, path);
181 }
182
183 #endif
184
185 static unsigned long nmflag = 0;
186 static char nmflag_set = 0;
187
set_nameopt(const char * arg)188 int set_nameopt(const char *arg)
189 {
190 int ret = set_name_ex(&nmflag, arg);
191
192 if (ret)
193 nmflag_set = 1;
194
195 return ret;
196 }
197
get_nameopt(void)198 unsigned long get_nameopt(void)
199 {
200 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
201 }
202
dump_cert_text(BIO * out,X509 * x)203 void dump_cert_text(BIO *out, X509 *x)
204 {
205 print_name(out, "subject=", X509_get_subject_name(x));
206 print_name(out, "issuer=", X509_get_issuer_name(x));
207 }
208
wrap_password_callback(char * buf,int bufsiz,int verify,void * userdata)209 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
210 {
211 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
212 }
213
214
215 static char *app_get_pass(const char *arg, int keepbio);
216
get_passwd(const char * pass,const char * desc)217 char *get_passwd(const char *pass, const char *desc)
218 {
219 char *result = NULL;
220
221 if (desc == NULL)
222 desc = "<unknown>";
223 if (!app_passwd(pass, NULL, &result, NULL))
224 BIO_printf(bio_err, "Error getting password for %s\n", desc);
225 if (pass != NULL && result == NULL) {
226 BIO_printf(bio_err,
227 "Trying plain input string (better precede with 'pass:')\n");
228 result = OPENSSL_strdup(pass);
229 if (result == NULL)
230 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
231 }
232 return result;
233 }
234
app_passwd(const char * arg1,const char * arg2,char ** pass1,char ** pass2)235 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
236 {
237 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
238
239 if (arg1 != NULL) {
240 *pass1 = app_get_pass(arg1, same);
241 if (*pass1 == NULL)
242 return 0;
243 } else if (pass1 != NULL) {
244 *pass1 = NULL;
245 }
246 if (arg2 != NULL) {
247 *pass2 = app_get_pass(arg2, same ? 2 : 0);
248 if (*pass2 == NULL)
249 return 0;
250 } else if (pass2 != NULL) {
251 *pass2 = NULL;
252 }
253 return 1;
254 }
255
app_get_pass(const char * arg,int keepbio)256 static char *app_get_pass(const char *arg, int keepbio)
257 {
258 static BIO *pwdbio = NULL;
259 char *tmp, tpass[APP_PASS_LEN];
260 int i;
261
262 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
263 if (strncmp(arg, "pass:", 5) == 0)
264 return OPENSSL_strdup(arg + 5);
265 if (strncmp(arg, "env:", 4) == 0) {
266 tmp = getenv(arg + 4);
267 if (tmp == NULL) {
268 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
269 return NULL;
270 }
271 return OPENSSL_strdup(tmp);
272 }
273 if (!keepbio || pwdbio == NULL) {
274 if (strncmp(arg, "file:", 5) == 0) {
275 pwdbio = BIO_new_file(arg + 5, "r");
276 if (pwdbio == NULL) {
277 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
278 return NULL;
279 }
280 #if !defined(_WIN32)
281 /*
282 * Under _WIN32, which covers even Win64 and CE, file
283 * descriptors referenced by BIO_s_fd are not inherited
284 * by child process and therefore below is not an option.
285 * It could have been an option if bss_fd.c was operating
286 * on real Windows descriptors, such as those obtained
287 * with CreateFile.
288 */
289 } else if (strncmp(arg, "fd:", 3) == 0) {
290 BIO *btmp;
291 i = atoi(arg + 3);
292 if (i >= 0)
293 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
294 if ((i < 0) || pwdbio == NULL) {
295 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
296 return NULL;
297 }
298 /*
299 * Can't do BIO_gets on an fd BIO so add a buffering BIO
300 */
301 btmp = BIO_new(BIO_f_buffer());
302 if (btmp == NULL) {
303 BIO_free_all(pwdbio);
304 pwdbio = NULL;
305 BIO_printf(bio_err, "Out of memory\n");
306 return NULL;
307 }
308 pwdbio = BIO_push(btmp, pwdbio);
309 #endif
310 } else if (strcmp(arg, "stdin") == 0) {
311 unbuffer(stdin);
312 pwdbio = dup_bio_in(FORMAT_TEXT);
313 if (pwdbio == NULL) {
314 BIO_printf(bio_err, "Can't open BIO for stdin\n");
315 return NULL;
316 }
317 } else {
318 /* argument syntax error; do not reveal too much about arg */
319 tmp = strchr(arg, ':');
320 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
321 BIO_printf(bio_err,
322 "Invalid password argument, missing ':' within the first %d chars\n",
323 PASS_SOURCE_SIZE_MAX + 1);
324 else
325 BIO_printf(bio_err,
326 "Invalid password argument, starting with \"%.*s\"\n",
327 (int)(tmp - arg + 1), arg);
328 return NULL;
329 }
330 }
331 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
332 if (keepbio != 1) {
333 BIO_free_all(pwdbio);
334 pwdbio = NULL;
335 }
336 if (i <= 0) {
337 BIO_printf(bio_err, "Error reading password from BIO\n");
338 return NULL;
339 }
340 tmp = strchr(tpass, '\n');
341 if (tmp != NULL)
342 *tmp = 0;
343 return OPENSSL_strdup(tpass);
344 }
345
app_load_config_bio(BIO * in,const char * filename)346 CONF *app_load_config_bio(BIO *in, const char *filename)
347 {
348 long errorline = -1;
349 CONF *conf;
350 int i;
351
352 conf = NCONF_new_ex(app_get0_libctx(), NULL);
353 i = NCONF_load_bio(conf, in, &errorline);
354 if (i > 0)
355 return conf;
356
357 if (errorline <= 0) {
358 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
359 } else {
360 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
361 errorline);
362 }
363 if (filename != NULL)
364 BIO_printf(bio_err, "config file \"%s\"\n", filename);
365 else
366 BIO_printf(bio_err, "config input");
367
368 NCONF_free(conf);
369 return NULL;
370 }
371
app_load_config_verbose(const char * filename,int verbose)372 CONF *app_load_config_verbose(const char *filename, int verbose)
373 {
374 if (verbose) {
375 if (*filename == '\0')
376 BIO_printf(bio_err, "No configuration used\n");
377 else
378 BIO_printf(bio_err, "Using configuration from %s\n", filename);
379 }
380 return app_load_config_internal(filename, 0);
381 }
382
app_load_config_internal(const char * filename,int quiet)383 CONF *app_load_config_internal(const char *filename, int quiet)
384 {
385 BIO *in;
386 CONF *conf;
387
388 if (filename == NULL || *filename != '\0') {
389 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
390 return NULL;
391 conf = app_load_config_bio(in, filename);
392 BIO_free(in);
393 } else {
394 /* Return empty config if filename is empty string. */
395 conf = NCONF_new_ex(app_get0_libctx(), NULL);
396 }
397 return conf;
398 }
399
app_load_modules(const CONF * config)400 int app_load_modules(const CONF *config)
401 {
402 CONF *to_free = NULL;
403
404 if (config == NULL)
405 config = to_free = app_load_config_quiet(default_config_file);
406 if (config == NULL)
407 return 1;
408
409 if (CONF_modules_load(config, NULL, 0) <= 0) {
410 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
411 ERR_print_errors(bio_err);
412 NCONF_free(to_free);
413 return 0;
414 }
415 NCONF_free(to_free);
416 return 1;
417 }
418
add_oid_section(CONF * conf)419 int add_oid_section(CONF *conf)
420 {
421 char *p;
422 STACK_OF(CONF_VALUE) *sktmp;
423 CONF_VALUE *cnf;
424 int i;
425
426 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
427 ERR_clear_error();
428 return 1;
429 }
430 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
431 BIO_printf(bio_err, "problem loading oid section %s\n", p);
432 return 0;
433 }
434 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
435 cnf = sk_CONF_VALUE_value(sktmp, i);
436 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
437 BIO_printf(bio_err, "problem creating object %s=%s\n",
438 cnf->name, cnf->value);
439 return 0;
440 }
441 }
442 return 1;
443 }
444
app_load_config_modules(const char * configfile)445 CONF *app_load_config_modules(const char *configfile)
446 {
447 CONF *conf = NULL;
448
449 if (configfile != NULL) {
450 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
451 return NULL;
452 if (configfile != default_config_file && !app_load_modules(conf)) {
453 NCONF_free(conf);
454 conf = NULL;
455 }
456 }
457 return conf;
458 }
459
460 #define IS_HTTP(uri) ((uri) != NULL \
461 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0)
462 #define IS_HTTPS(uri) ((uri) != NULL \
463 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0)
464
load_cert_pass(const char * uri,int format,int maybe_stdin,const char * pass,const char * desc)465 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
466 const char *pass, const char *desc)
467 {
468 X509 *cert = NULL;
469
470 if (desc == NULL)
471 desc = "certificate";
472 if (IS_HTTPS(uri))
473 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
474 else if (IS_HTTP(uri))
475 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
476 else
477 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
478 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
479 if (cert == NULL) {
480 BIO_printf(bio_err, "Unable to load %s\n", desc);
481 ERR_print_errors(bio_err);
482 }
483 return cert;
484 }
485
load_crl(const char * uri,int format,int maybe_stdin,const char * desc)486 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
487 const char *desc)
488 {
489 X509_CRL *crl = NULL;
490
491 if (desc == NULL)
492 desc = "CRL";
493 if (IS_HTTPS(uri))
494 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
495 else if (IS_HTTP(uri))
496 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
497 else
498 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
499 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
500 if (crl == NULL) {
501 BIO_printf(bio_err, "Unable to load %s\n", desc);
502 ERR_print_errors(bio_err);
503 }
504 return crl;
505 }
506
load_csr(const char * file,int format,const char * desc)507 X509_REQ *load_csr(const char *file, int format, const char *desc)
508 {
509 X509_REQ *req = NULL;
510 BIO *in;
511
512 if (format == FORMAT_UNDEF)
513 format = FORMAT_PEM;
514 if (desc == NULL)
515 desc = "CSR";
516 in = bio_open_default(file, 'r', format);
517 if (in == NULL)
518 goto end;
519
520 if (format == FORMAT_ASN1)
521 req = d2i_X509_REQ_bio(in, NULL);
522 else if (format == FORMAT_PEM)
523 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
524 else
525 print_format_error(format, OPT_FMT_PEMDER);
526
527 end:
528 if (req == NULL) {
529 BIO_printf(bio_err, "Unable to load %s\n", desc);
530 ERR_print_errors(bio_err);
531 }
532 BIO_free(in);
533 return req;
534 }
535
cleanse(char * str)536 void cleanse(char *str)
537 {
538 if (str != NULL)
539 OPENSSL_cleanse(str, strlen(str));
540 }
541
clear_free(char * str)542 void clear_free(char *str)
543 {
544 if (str != NULL)
545 OPENSSL_clear_free(str, strlen(str));
546 }
547
load_key(const char * uri,int format,int may_stdin,const char * pass,ENGINE * e,const char * desc)548 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
549 const char *pass, ENGINE *e, const char *desc)
550 {
551 EVP_PKEY *pkey = NULL;
552 char *allocated_uri = NULL;
553
554 if (desc == NULL)
555 desc = "private key";
556
557 if (format == FORMAT_ENGINE) {
558 uri = allocated_uri = make_engine_uri(e, uri, desc);
559 }
560 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc,
561 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
562
563 OPENSSL_free(allocated_uri);
564 return pkey;
565 }
566
load_pubkey(const char * uri,int format,int maybe_stdin,const char * pass,ENGINE * e,const char * desc)567 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
568 const char *pass, ENGINE *e, const char *desc)
569 {
570 EVP_PKEY *pkey = NULL;
571 char *allocated_uri = NULL;
572
573 if (desc == NULL)
574 desc = "public key";
575
576 if (format == FORMAT_ENGINE) {
577 uri = allocated_uri = make_engine_uri(e, uri, desc);
578 }
579 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
580 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
581
582 OPENSSL_free(allocated_uri);
583 return pkey;
584 }
585
load_keyparams_suppress(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc,int suppress_decode_errors)586 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
587 const char *keytype, const char *desc,
588 int suppress_decode_errors)
589 {
590 EVP_PKEY *params = NULL;
591
592 if (desc == NULL)
593 desc = "key parameters";
594
595 (void)load_key_certs_crls_suppress(uri, format, maybe_stdin, NULL, desc,
596 NULL, NULL, ¶ms, NULL, NULL, NULL,
597 NULL, suppress_decode_errors);
598 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
599 if (!suppress_decode_errors) {
600 BIO_printf(bio_err,
601 "Unable to load %s from %s (unexpected parameters type)\n",
602 desc, uri);
603 ERR_print_errors(bio_err);
604 }
605 EVP_PKEY_free(params);
606 params = NULL;
607 }
608 return params;
609 }
610
load_keyparams(const char * uri,int format,int maybe_stdin,const char * keytype,const char * desc)611 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
612 const char *keytype, const char *desc)
613 {
614 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
615 }
616
app_bail_out(char * fmt,...)617 void app_bail_out(char *fmt, ...)
618 {
619 va_list args;
620
621 va_start(args, fmt);
622 BIO_vprintf(bio_err, fmt, args);
623 va_end(args);
624 ERR_print_errors(bio_err);
625 exit(EXIT_FAILURE);
626 }
627
app_malloc(size_t sz,const char * what)628 void *app_malloc(size_t sz, const char *what)
629 {
630 void *vp = OPENSSL_malloc(sz);
631
632 if (vp == NULL)
633 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
634 opt_getprog(), sz, what);
635 return vp;
636 }
637
next_item(char * opt)638 char *next_item(char *opt) /* in list separated by comma and/or space */
639 {
640 /* advance to separator (comma or whitespace), if any */
641 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0')
642 opt++;
643 if (*opt != '\0') {
644 /* terminate current item */
645 *opt++ = '\0';
646 /* skip over any whitespace after separator */
647 while (isspace(_UC(*opt)))
648 opt++;
649 }
650 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
651 }
652
warn_cert_msg(const char * uri,X509 * cert,const char * msg)653 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
654 {
655 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
656
657 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
658 uri, subj, msg);
659 OPENSSL_free(subj);
660 }
661
warn_cert(const char * uri,X509 * cert,int warn_EE,X509_VERIFY_PARAM * vpm)662 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
663 X509_VERIFY_PARAM *vpm)
664 {
665 uint32_t ex_flags = X509_get_extension_flags(cert);
666 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
667 X509_get0_notAfter(cert));
668
669 if (res != 0)
670 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
671 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
672 warn_cert_msg(uri, cert, "is not a CA cert");
673 }
674
warn_certs(const char * uri,STACK_OF (X509)* certs,int warn_EE,X509_VERIFY_PARAM * vpm)675 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
676 X509_VERIFY_PARAM *vpm)
677 {
678 int i;
679
680 for (i = 0; i < sk_X509_num(certs); i++)
681 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
682 }
683
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)684 int load_cert_certs(const char *uri,
685 X509 **pcert, STACK_OF(X509) **pcerts,
686 int exclude_http, const char *pass, const char *desc,
687 X509_VERIFY_PARAM *vpm)
688 {
689 int ret = 0;
690 char *pass_string;
691
692 if (exclude_http && (OPENSSL_strncasecmp(uri, "http://", 7) == 0
693 || OPENSSL_strncasecmp(uri, "https://", 8) == 0)) {
694 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
695 return ret;
696 }
697 pass_string = get_passwd(pass, desc);
698 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc,
699 NULL, NULL, NULL,
700 pcert, pcerts, NULL, NULL);
701 clear_free(pass_string);
702
703 if (ret) {
704 if (pcert != NULL)
705 warn_cert(uri, *pcert, 0, vpm);
706 if (pcerts != NULL)
707 warn_certs(uri, *pcerts, 1, vpm);
708 } else {
709 if (pcerts != NULL) {
710 sk_X509_pop_free(*pcerts, X509_free);
711 *pcerts = NULL;
712 }
713 }
714 return ret;
715 }
716
STACK_OF(X509)717 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
718 const char *desc, X509_VERIFY_PARAM *vpm)
719 {
720 STACK_OF(X509) *certs = NULL;
721 STACK_OF(X509) *result = sk_X509_new_null();
722
723 if (files == NULL)
724 goto err;
725 if (result == NULL)
726 goto oom;
727
728 while (files != NULL) {
729 char *next = next_item(files);
730
731 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
732 goto err;
733 if (!X509_add_certs(result, certs,
734 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
735 goto oom;
736 sk_X509_pop_free(certs, X509_free);
737 certs = NULL;
738 files = next;
739 }
740 return result;
741
742 oom:
743 BIO_printf(bio_err, "out of memory\n");
744 err:
745 sk_X509_pop_free(certs, X509_free);
746 sk_X509_pop_free(result, X509_free);
747 return NULL;
748 }
749
sk_X509_to_store(X509_STORE * store,const STACK_OF (X509)* certs)750 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
751 const STACK_OF(X509) *certs /* may NULL */)
752 {
753 int i;
754
755 if (store == NULL)
756 store = X509_STORE_new();
757 if (store == NULL)
758 return NULL;
759 for (i = 0; i < sk_X509_num(certs); i++) {
760 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
761 X509_STORE_free(store);
762 return NULL;
763 }
764 }
765 return store;
766 }
767
768 /*
769 * Create cert store structure with certificates read from given file(s).
770 * Returns pointer to created X509_STORE on success, NULL on error.
771 */
load_certstore(char * input,const char * pass,const char * desc,X509_VERIFY_PARAM * vpm)772 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
773 X509_VERIFY_PARAM *vpm)
774 {
775 X509_STORE *store = NULL;
776 STACK_OF(X509) *certs = NULL;
777
778 while (input != NULL) {
779 char *next = next_item(input);
780 int ok;
781
782 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
783 X509_STORE_free(store);
784 return NULL;
785 }
786 ok = (store = sk_X509_to_store(store, certs)) != NULL;
787 sk_X509_pop_free(certs, X509_free);
788 certs = NULL;
789 if (!ok)
790 return NULL;
791 input = next;
792 }
793 return store;
794 }
795
796 /*
797 * Initialize or extend, if *certs != NULL, a certificate stack.
798 * The caller is responsible for freeing *certs if its value is left not NULL.
799 */
load_certs(const char * uri,int maybe_stdin,STACK_OF (X509)** certs,const char * pass,const char * desc)800 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
801 const char *pass, const char *desc)
802 {
803 int was_NULL = *certs == NULL;
804 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin,
805 pass, desc, NULL, NULL,
806 NULL, NULL, certs, NULL, NULL);
807
808 if (!ret && was_NULL) {
809 sk_X509_pop_free(*certs, X509_free);
810 *certs = NULL;
811 }
812 return ret;
813 }
814
815 /*
816 * Initialize or extend, if *crls != NULL, a certificate stack.
817 * The caller is responsible for freeing *crls if its value is left not NULL.
818 */
load_crls(const char * uri,STACK_OF (X509_CRL)** crls,const char * pass,const char * desc)819 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
820 const char *pass, const char *desc)
821 {
822 int was_NULL = *crls == NULL;
823 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc,
824 NULL, NULL, NULL,
825 NULL, NULL, NULL, crls);
826
827 if (!ret && was_NULL) {
828 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
829 *crls = NULL;
830 }
831 return ret;
832 }
833
format2string(int format)834 static const char *format2string(int format)
835 {
836 switch(format) {
837 case FORMAT_PEM:
838 return "PEM";
839 case FORMAT_ASN1:
840 return "DER";
841 }
842 return NULL;
843 }
844
845 /* Set type expectation, but clear it if objects of different types expected. */
846 #define SET_EXPECT(expect, val) ((expect) = (expect) < 0 ? (val) : ((expect) == (val) ? (val) : 0))
847 /*
848 * Load those types of credentials for which the result pointer is not NULL.
849 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
850 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
851 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
852 * If pcerts is non-NULL then all available certificates are appended to *pcerts
853 * except any certificate assigned to *pcert.
854 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
855 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
856 * except any CRL assigned to *pcrl.
857 * In any case (also on error) the caller is responsible for freeing all members
858 * of *pcerts and *pcrls (as far as they are not NULL).
859 */
860 static
load_key_certs_crls_suppress(const char * uri,int format,int maybe_stdin,const char * pass,const char * desc,EVP_PKEY ** ppkey,EVP_PKEY ** ppubkey,EVP_PKEY ** pparams,X509 ** pcert,STACK_OF (X509)** pcerts,X509_CRL ** pcrl,STACK_OF (X509_CRL)** pcrls,int suppress_decode_errors)861 int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin,
862 const char *pass, const char *desc,
863 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
864 EVP_PKEY **pparams,
865 X509 **pcert, STACK_OF(X509) **pcerts,
866 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls,
867 int suppress_decode_errors)
868 {
869 PW_CB_DATA uidata;
870 OSSL_STORE_CTX *ctx = NULL;
871 OSSL_LIB_CTX *libctx = app_get0_libctx();
872 const char *propq = app_get0_propq();
873 int ncerts = 0;
874 int ncrls = 0;
875 const char *failed =
876 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
877 pparams != NULL ? "params" : pcert != NULL ? "cert" :
878 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
879 pcrls != NULL ? "CRLs" : NULL;
880 int cnt_expectations = 0;
881 int expect = -1;
882 const char *input_type;
883 OSSL_PARAM itp[2];
884 const OSSL_PARAM *params = NULL;
885
886 if (ppkey != NULL) {
887 *ppkey = NULL;
888 cnt_expectations++;
889 SET_EXPECT(expect, OSSL_STORE_INFO_PKEY);
890 }
891 if (ppubkey != NULL) {
892 *ppubkey = NULL;
893 cnt_expectations++;
894 SET_EXPECT(expect, OSSL_STORE_INFO_PUBKEY);
895 }
896 if (pparams != NULL) {
897 *pparams = NULL;
898 cnt_expectations++;
899 SET_EXPECT(expect, OSSL_STORE_INFO_PARAMS);
900 }
901 if (pcert != NULL) {
902 *pcert = NULL;
903 cnt_expectations++;
904 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
905 }
906 if (pcerts != NULL) {
907 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
908 BIO_printf(bio_err, "Out of memory loading");
909 goto end;
910 }
911 cnt_expectations++;
912 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
913 }
914 if (pcrl != NULL) {
915 *pcrl = NULL;
916 cnt_expectations++;
917 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
918 }
919 if (pcrls != NULL) {
920 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
921 BIO_printf(bio_err, "Out of memory loading");
922 goto end;
923 }
924 cnt_expectations++;
925 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
926 }
927 if (cnt_expectations == 0) {
928 BIO_printf(bio_err, "Internal error: nothing to load from %s\n",
929 uri != NULL ? uri : "<stdin>");
930 return 0;
931 }
932
933 uidata.password = pass;
934 uidata.prompt_info = uri;
935
936 if ((input_type = format2string(format)) != NULL) {
937 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
938 (char *)input_type, 0);
939 itp[1] = OSSL_PARAM_construct_end();
940 params = itp;
941 }
942
943 if (uri == NULL) {
944 BIO *bio;
945
946 if (!maybe_stdin) {
947 BIO_printf(bio_err, "No filename or uri specified for loading\n");
948 goto end;
949 }
950 uri = "<stdin>";
951 unbuffer(stdin);
952 bio = BIO_new_fp(stdin, 0);
953 if (bio != NULL) {
954 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
955 get_ui_method(), &uidata, params,
956 NULL, NULL);
957 BIO_free(bio);
958 }
959 } else {
960 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
961 params, NULL, NULL);
962 }
963 if (ctx == NULL) {
964 BIO_printf(bio_err, "Could not open file or uri for loading");
965 goto end;
966 }
967 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) {
968 BIO_printf(bio_err, "Internal error trying to load");
969 goto end;
970 }
971
972 failed = NULL;
973 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
974 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
975 int type, ok = 1;
976
977 /*
978 * This can happen (for example) if we attempt to load a file with
979 * multiple different types of things in it - but the thing we just
980 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
981 * to load a certificate but the file has both the private key and the
982 * certificate in it. We just retry until eof.
983 */
984 if (info == NULL) {
985 continue;
986 }
987
988 type = OSSL_STORE_INFO_get_type(info);
989 switch (type) {
990 case OSSL_STORE_INFO_PKEY:
991 if (ppkey != NULL && *ppkey == NULL) {
992 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
993 cnt_expectations -= ok;
994 }
995 /*
996 * An EVP_PKEY with private parts also holds the public parts,
997 * so if the caller asked for a public key, and we got a private
998 * key, we can still pass it back.
999 */
1000 if (ok && ppubkey != NULL && *ppubkey == NULL) {
1001 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
1002 cnt_expectations -= ok;
1003 }
1004 break;
1005 case OSSL_STORE_INFO_PUBKEY:
1006 if (ppubkey != NULL && *ppubkey == NULL) {
1007 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
1008 cnt_expectations -= ok;
1009 }
1010 break;
1011 case OSSL_STORE_INFO_PARAMS:
1012 if (pparams != NULL && *pparams == NULL) {
1013 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
1014 cnt_expectations -= ok;
1015 }
1016 break;
1017 case OSSL_STORE_INFO_CERT:
1018 if (pcert != NULL && *pcert == NULL) {
1019 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1020 cnt_expectations -= ok;
1021 }
1022 else if (pcerts != NULL)
1023 ok = X509_add_cert(*pcerts,
1024 OSSL_STORE_INFO_get1_CERT(info),
1025 X509_ADD_FLAG_DEFAULT);
1026 ncerts += ok;
1027 break;
1028 case OSSL_STORE_INFO_CRL:
1029 if (pcrl != NULL && *pcrl == NULL) {
1030 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1031 cnt_expectations -= ok;
1032 }
1033 else if (pcrls != NULL)
1034 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1035 ncrls += ok;
1036 break;
1037 default:
1038 /* skip any other type */
1039 break;
1040 }
1041 OSSL_STORE_INFO_free(info);
1042 if (!ok) {
1043 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1044 BIO_printf(bio_err, "Error reading");
1045 break;
1046 }
1047 }
1048
1049 end:
1050 OSSL_STORE_close(ctx);
1051 if (failed == NULL) {
1052 int any = 0;
1053
1054 if ((ppkey != NULL && *ppkey == NULL)
1055 || (ppubkey != NULL && *ppubkey == NULL)) {
1056 failed = "key";
1057 } else if (pparams != NULL && *pparams == NULL) {
1058 failed = "params";
1059 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1060 if (pcert == NULL)
1061 any = 1;
1062 failed = "cert";
1063 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1064 if (pcrl == NULL)
1065 any = 1;
1066 failed = "CRL";
1067 }
1068 if (!suppress_decode_errors) {
1069 if (failed != NULL)
1070 BIO_printf(bio_err, "Could not read");
1071 if (any)
1072 BIO_printf(bio_err, " any");
1073 }
1074 }
1075 if (!suppress_decode_errors && failed != NULL) {
1076 if (desc != NULL && strstr(desc, failed) != NULL) {
1077 BIO_printf(bio_err, " %s", desc);
1078 } else {
1079 BIO_printf(bio_err, " %s", failed);
1080 if (desc != NULL)
1081 BIO_printf(bio_err, " of %s", desc);
1082 }
1083 if (uri != NULL)
1084 BIO_printf(bio_err, " from %s", uri);
1085 BIO_printf(bio_err, "\n");
1086 ERR_print_errors(bio_err);
1087 }
1088 if (suppress_decode_errors || failed == NULL)
1089 /* clear any spurious errors */
1090 ERR_clear_error();
1091 return failed == NULL;
1092 }
1093
load_key_certs_crls(const char * uri,int format,int maybe_stdin,const char * pass,const char * desc,EVP_PKEY ** ppkey,EVP_PKEY ** ppubkey,EVP_PKEY ** pparams,X509 ** pcert,STACK_OF (X509)** pcerts,X509_CRL ** pcrl,STACK_OF (X509_CRL)** pcrls)1094 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
1095 const char *pass, const char *desc,
1096 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
1097 EVP_PKEY **pparams,
1098 X509 **pcert, STACK_OF(X509) **pcerts,
1099 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
1100 {
1101 return load_key_certs_crls_suppress(uri, format, maybe_stdin, pass, desc,
1102 ppkey, ppubkey, pparams, pcert, pcerts,
1103 pcrl, pcrls, 0);
1104 }
1105
1106 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1107 /* Return error for unknown extensions */
1108 #define X509V3_EXT_DEFAULT 0
1109 /* Print error for unknown extensions */
1110 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1111 /* ASN1 parse unknown extensions */
1112 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1113 /* BIO_dump unknown extensions */
1114 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1115
1116 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1117 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1118
set_cert_ex(unsigned long * flags,const char * arg)1119 int set_cert_ex(unsigned long *flags, const char *arg)
1120 {
1121 static const NAME_EX_TBL cert_tbl[] = {
1122 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1123 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1124 {"no_header", X509_FLAG_NO_HEADER, 0},
1125 {"no_version", X509_FLAG_NO_VERSION, 0},
1126 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1127 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1128 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1129 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1130 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1131 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1132 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1133 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1134 {"no_aux", X509_FLAG_NO_AUX, 0},
1135 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1136 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1137 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1138 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1139 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1140 {NULL, 0, 0}
1141 };
1142 return set_multi_opts(flags, arg, cert_tbl);
1143 }
1144
set_name_ex(unsigned long * flags,const char * arg)1145 int set_name_ex(unsigned long *flags, const char *arg)
1146 {
1147 static const NAME_EX_TBL ex_tbl[] = {
1148 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1149 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1150 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1151 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1152 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1153 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1154 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1155 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1156 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1157 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1158 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1159 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1160 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1161 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1162 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1163 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1164 {"dn_rev", XN_FLAG_DN_REV, 0},
1165 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1166 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1167 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1168 {"align", XN_FLAG_FN_ALIGN, 0},
1169 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1170 {"space_eq", XN_FLAG_SPC_EQ, 0},
1171 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1172 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1173 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1174 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1175 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1176 {NULL, 0, 0}
1177 };
1178 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1179 return 0;
1180 if (*flags != XN_FLAG_COMPAT
1181 && (*flags & XN_FLAG_SEP_MASK) == 0)
1182 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1183 return 1;
1184 }
1185
set_dateopt(unsigned long * dateopt,const char * arg)1186 int set_dateopt(unsigned long *dateopt, const char *arg)
1187 {
1188 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1189 *dateopt = ASN1_DTFLGS_RFC822;
1190 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1191 *dateopt = ASN1_DTFLGS_ISO8601;
1192 else
1193 return 0;
1194 return 1;
1195 }
1196
set_ext_copy(int * copy_type,const char * arg)1197 int set_ext_copy(int *copy_type, const char *arg)
1198 {
1199 if (OPENSSL_strcasecmp(arg, "none") == 0)
1200 *copy_type = EXT_COPY_NONE;
1201 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1202 *copy_type = EXT_COPY_ADD;
1203 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1204 *copy_type = EXT_COPY_ALL;
1205 else
1206 return 0;
1207 return 1;
1208 }
1209
copy_extensions(X509 * x,X509_REQ * req,int copy_type)1210 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1211 {
1212 STACK_OF(X509_EXTENSION) *exts;
1213 int i, ret = 0;
1214
1215 if (x == NULL || req == NULL)
1216 return 0;
1217 if (copy_type == EXT_COPY_NONE)
1218 return 1;
1219 exts = X509_REQ_get_extensions(req);
1220
1221 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1222 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1223 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1224 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1225
1226 /* Does extension exist in target? */
1227 if (idx != -1) {
1228 /* If normal copy don't override existing extension */
1229 if (copy_type == EXT_COPY_ADD)
1230 continue;
1231 /* Delete all extensions of same type */
1232 do {
1233 X509_EXTENSION_free(X509_delete_ext(x, idx));
1234 idx = X509_get_ext_by_OBJ(x, obj, -1);
1235 } while (idx != -1);
1236 }
1237 if (!X509_add_ext(x, ext, -1))
1238 goto end;
1239 }
1240 ret = 1;
1241
1242 end:
1243 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1244 return ret;
1245 }
1246
set_multi_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1247 static int set_multi_opts(unsigned long *flags, const char *arg,
1248 const NAME_EX_TBL * in_tbl)
1249 {
1250 STACK_OF(CONF_VALUE) *vals;
1251 CONF_VALUE *val;
1252 int i, ret = 1;
1253 if (!arg)
1254 return 0;
1255 vals = X509V3_parse_list(arg);
1256 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1257 val = sk_CONF_VALUE_value(vals, i);
1258 if (!set_table_opts(flags, val->name, in_tbl))
1259 ret = 0;
1260 }
1261 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1262 return ret;
1263 }
1264
set_table_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1265 static int set_table_opts(unsigned long *flags, const char *arg,
1266 const NAME_EX_TBL * in_tbl)
1267 {
1268 char c;
1269 const NAME_EX_TBL *ptbl;
1270 c = arg[0];
1271
1272 if (c == '-') {
1273 c = 0;
1274 arg++;
1275 } else if (c == '+') {
1276 c = 1;
1277 arg++;
1278 } else {
1279 c = 1;
1280 }
1281
1282 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1283 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1284 *flags &= ~ptbl->mask;
1285 if (c)
1286 *flags |= ptbl->flag;
1287 else
1288 *flags &= ~ptbl->flag;
1289 return 1;
1290 }
1291 }
1292 return 0;
1293 }
1294
print_name(BIO * out,const char * title,const X509_NAME * nm)1295 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1296 {
1297 char *buf;
1298 char mline = 0;
1299 int indent = 0;
1300 unsigned long lflags = get_nameopt();
1301
1302 if (out == NULL)
1303 return;
1304 if (title != NULL)
1305 BIO_puts(out, title);
1306 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1307 mline = 1;
1308 indent = 4;
1309 }
1310 if (lflags == XN_FLAG_COMPAT) {
1311 buf = X509_NAME_oneline(nm, 0, 0);
1312 BIO_puts(out, buf);
1313 BIO_puts(out, "\n");
1314 OPENSSL_free(buf);
1315 } else {
1316 if (mline)
1317 BIO_puts(out, "\n");
1318 X509_NAME_print_ex(out, nm, indent, lflags);
1319 BIO_puts(out, "\n");
1320 }
1321 }
1322
print_bignum_var(BIO * out,const BIGNUM * in,const char * var,int len,unsigned char * buffer)1323 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1324 int len, unsigned char *buffer)
1325 {
1326 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1327 if (BN_is_zero(in)) {
1328 BIO_printf(out, "\n 0x00");
1329 } else {
1330 int i, l;
1331
1332 l = BN_bn2bin(in, buffer);
1333 for (i = 0; i < l; i++) {
1334 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1335 if (i < l - 1)
1336 BIO_printf(out, "0x%02X,", buffer[i]);
1337 else
1338 BIO_printf(out, "0x%02X", buffer[i]);
1339 }
1340 }
1341 BIO_printf(out, "\n };\n");
1342 }
1343
print_array(BIO * out,const char * title,int len,const unsigned char * d)1344 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1345 {
1346 int i;
1347
1348 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1349 for (i = 0; i < len; i++) {
1350 if ((i % 10) == 0)
1351 BIO_printf(out, "\n ");
1352 if (i < len - 1)
1353 BIO_printf(out, "0x%02X, ", d[i]);
1354 else
1355 BIO_printf(out, "0x%02X", d[i]);
1356 }
1357 BIO_printf(out, "\n};\n");
1358 }
1359
setup_verify(const char * CAfile,int noCAfile,const char * CApath,int noCApath,const char * CAstore,int noCAstore)1360 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1361 const char *CApath, int noCApath,
1362 const char *CAstore, int noCAstore)
1363 {
1364 X509_STORE *store = X509_STORE_new();
1365 X509_LOOKUP *lookup;
1366 OSSL_LIB_CTX *libctx = app_get0_libctx();
1367 const char *propq = app_get0_propq();
1368
1369 if (store == NULL)
1370 goto end;
1371
1372 if (CAfile != NULL || !noCAfile) {
1373 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1374 if (lookup == NULL)
1375 goto end;
1376 if (CAfile != NULL) {
1377 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1378 libctx, propq) <= 0) {
1379 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1380 goto end;
1381 }
1382 } else {
1383 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1384 libctx, propq);
1385 }
1386 }
1387
1388 if (CApath != NULL || !noCApath) {
1389 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1390 if (lookup == NULL)
1391 goto end;
1392 if (CApath != NULL) {
1393 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1394 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1395 goto end;
1396 }
1397 } else {
1398 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1399 }
1400 }
1401
1402 if (CAstore != NULL || !noCAstore) {
1403 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1404 if (lookup == NULL)
1405 goto end;
1406 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1407 if (CAstore != NULL)
1408 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1409 goto end;
1410 }
1411 }
1412
1413 ERR_clear_error();
1414 return store;
1415 end:
1416 ERR_print_errors(bio_err);
1417 X509_STORE_free(store);
1418 return NULL;
1419 }
1420
index_serial_hash(const OPENSSL_CSTRING * a)1421 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1422 {
1423 const char *n;
1424
1425 n = a[DB_serial];
1426 while (*n == '0')
1427 n++;
1428 return OPENSSL_LH_strhash(n);
1429 }
1430
index_serial_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1431 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1432 const OPENSSL_CSTRING *b)
1433 {
1434 const char *aa, *bb;
1435
1436 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1437 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1438 return strcmp(aa, bb);
1439 }
1440
index_name_qual(char ** a)1441 static int index_name_qual(char **a)
1442 {
1443 return (a[0][0] == 'V');
1444 }
1445
index_name_hash(const OPENSSL_CSTRING * a)1446 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1447 {
1448 return OPENSSL_LH_strhash(a[DB_name]);
1449 }
1450
index_name_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1451 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1452 {
1453 return strcmp(a[DB_name], b[DB_name]);
1454 }
1455
IMPLEMENT_LHASH_HASH_FN(index_serial,OPENSSL_CSTRING)1456 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1457 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1458 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1459 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1460 #undef BSIZE
1461 #define BSIZE 256
1462 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1463 ASN1_INTEGER **retai)
1464 {
1465 BIO *in = NULL;
1466 BIGNUM *ret = NULL;
1467 char buf[1024];
1468 ASN1_INTEGER *ai = NULL;
1469
1470 ai = ASN1_INTEGER_new();
1471 if (ai == NULL)
1472 goto err;
1473
1474 in = BIO_new_file(serialfile, "r");
1475 if (exists != NULL)
1476 *exists = in != NULL;
1477 if (in == NULL) {
1478 if (!create) {
1479 perror(serialfile);
1480 goto err;
1481 }
1482 ERR_clear_error();
1483 ret = BN_new();
1484 if (ret == NULL) {
1485 BIO_printf(bio_err, "Out of memory\n");
1486 } else if (!rand_serial(ret, ai)) {
1487 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1488 serialfile);
1489 BN_free(ret);
1490 ret = NULL;
1491 }
1492 } else {
1493 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1494 BIO_printf(bio_err, "Unable to load number from %s\n",
1495 serialfile);
1496 goto err;
1497 }
1498 ret = ASN1_INTEGER_to_BN(ai, NULL);
1499 if (ret == NULL) {
1500 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1501 goto err;
1502 }
1503 }
1504
1505 if (ret != NULL && retai != NULL) {
1506 *retai = ai;
1507 ai = NULL;
1508 }
1509 err:
1510 if (ret == NULL)
1511 ERR_print_errors(bio_err);
1512 BIO_free(in);
1513 ASN1_INTEGER_free(ai);
1514 return ret;
1515 }
1516
save_serial(const char * serialfile,const char * suffix,const BIGNUM * serial,ASN1_INTEGER ** retai)1517 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1518 ASN1_INTEGER **retai)
1519 {
1520 char buf[1][BSIZE];
1521 BIO *out = NULL;
1522 int ret = 0;
1523 ASN1_INTEGER *ai = NULL;
1524 int j;
1525
1526 if (suffix == NULL)
1527 j = strlen(serialfile);
1528 else
1529 j = strlen(serialfile) + strlen(suffix) + 1;
1530 if (j >= BSIZE) {
1531 BIO_printf(bio_err, "File name too long\n");
1532 goto err;
1533 }
1534
1535 if (suffix == NULL)
1536 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1537 else {
1538 #ifndef OPENSSL_SYS_VMS
1539 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1540 #else
1541 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1542 #endif
1543 }
1544 out = BIO_new_file(buf[0], "w");
1545 if (out == NULL) {
1546 goto err;
1547 }
1548
1549 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1550 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1551 goto err;
1552 }
1553 i2a_ASN1_INTEGER(out, ai);
1554 BIO_puts(out, "\n");
1555 ret = 1;
1556 if (retai) {
1557 *retai = ai;
1558 ai = NULL;
1559 }
1560 err:
1561 if (!ret)
1562 ERR_print_errors(bio_err);
1563 BIO_free_all(out);
1564 ASN1_INTEGER_free(ai);
1565 return ret;
1566 }
1567
rotate_serial(const char * serialfile,const char * new_suffix,const char * old_suffix)1568 int rotate_serial(const char *serialfile, const char *new_suffix,
1569 const char *old_suffix)
1570 {
1571 char buf[2][BSIZE];
1572 int i, j;
1573
1574 i = strlen(serialfile) + strlen(old_suffix);
1575 j = strlen(serialfile) + strlen(new_suffix);
1576 if (i > j)
1577 j = i;
1578 if (j + 1 >= BSIZE) {
1579 BIO_printf(bio_err, "File name too long\n");
1580 goto err;
1581 }
1582 #ifndef OPENSSL_SYS_VMS
1583 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1584 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1585 #else
1586 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1587 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1588 #endif
1589 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1590 #ifdef ENOTDIR
1591 && errno != ENOTDIR
1592 #endif
1593 ) {
1594 BIO_printf(bio_err,
1595 "Unable to rename %s to %s\n", serialfile, buf[1]);
1596 perror("reason");
1597 goto err;
1598 }
1599 if (rename(buf[0], serialfile) < 0) {
1600 BIO_printf(bio_err,
1601 "Unable to rename %s to %s\n", buf[0], serialfile);
1602 perror("reason");
1603 rename(buf[1], serialfile);
1604 goto err;
1605 }
1606 return 1;
1607 err:
1608 ERR_print_errors(bio_err);
1609 return 0;
1610 }
1611
rand_serial(BIGNUM * b,ASN1_INTEGER * ai)1612 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1613 {
1614 BIGNUM *btmp;
1615 int ret = 0;
1616
1617 btmp = b == NULL ? BN_new() : b;
1618 if (btmp == NULL)
1619 return 0;
1620
1621 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1622 goto error;
1623 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1624 goto error;
1625
1626 ret = 1;
1627
1628 error:
1629
1630 if (btmp != b)
1631 BN_free(btmp);
1632
1633 return ret;
1634 }
1635
load_index(const char * dbfile,DB_ATTR * db_attr)1636 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1637 {
1638 CA_DB *retdb = NULL;
1639 TXT_DB *tmpdb = NULL;
1640 BIO *in;
1641 CONF *dbattr_conf = NULL;
1642 char buf[BSIZE];
1643 #ifndef OPENSSL_NO_POSIX_IO
1644 FILE *dbfp;
1645 struct stat dbst;
1646 #endif
1647
1648 in = BIO_new_file(dbfile, "r");
1649 if (in == NULL)
1650 goto err;
1651
1652 #ifndef OPENSSL_NO_POSIX_IO
1653 BIO_get_fp(in, &dbfp);
1654 if (fstat(fileno(dbfp), &dbst) == -1) {
1655 ERR_raise_data(ERR_LIB_SYS, errno,
1656 "calling fstat(%s)", dbfile);
1657 goto err;
1658 }
1659 #endif
1660
1661 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1662 goto err;
1663
1664 #ifndef OPENSSL_SYS_VMS
1665 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1666 #else
1667 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1668 #endif
1669 dbattr_conf = app_load_config_quiet(buf);
1670
1671 retdb = app_malloc(sizeof(*retdb), "new DB");
1672 retdb->db = tmpdb;
1673 tmpdb = NULL;
1674 if (db_attr)
1675 retdb->attributes = *db_attr;
1676 else {
1677 retdb->attributes.unique_subject = 1;
1678 }
1679
1680 if (dbattr_conf) {
1681 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1682 if (p) {
1683 retdb->attributes.unique_subject = parse_yesno(p, 1);
1684 } else {
1685 ERR_clear_error();
1686 }
1687
1688 }
1689
1690 retdb->dbfname = OPENSSL_strdup(dbfile);
1691 #ifndef OPENSSL_NO_POSIX_IO
1692 retdb->dbst = dbst;
1693 #endif
1694
1695 err:
1696 ERR_print_errors(bio_err);
1697 NCONF_free(dbattr_conf);
1698 TXT_DB_free(tmpdb);
1699 BIO_free_all(in);
1700 return retdb;
1701 }
1702
1703 /*
1704 * Returns > 0 on success, <= 0 on error
1705 */
index_index(CA_DB * db)1706 int index_index(CA_DB *db)
1707 {
1708 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1709 LHASH_HASH_FN(index_serial),
1710 LHASH_COMP_FN(index_serial))) {
1711 BIO_printf(bio_err,
1712 "Error creating serial number index:(%ld,%ld,%ld)\n",
1713 db->db->error, db->db->arg1, db->db->arg2);
1714 goto err;
1715 }
1716
1717 if (db->attributes.unique_subject
1718 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1719 LHASH_HASH_FN(index_name),
1720 LHASH_COMP_FN(index_name))) {
1721 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1722 db->db->error, db->db->arg1, db->db->arg2);
1723 goto err;
1724 }
1725 return 1;
1726 err:
1727 ERR_print_errors(bio_err);
1728 return 0;
1729 }
1730
save_index(const char * dbfile,const char * suffix,CA_DB * db)1731 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1732 {
1733 char buf[3][BSIZE];
1734 BIO *out;
1735 int j;
1736
1737 j = strlen(dbfile) + strlen(suffix);
1738 if (j + 6 >= BSIZE) {
1739 BIO_printf(bio_err, "File name too long\n");
1740 goto err;
1741 }
1742 #ifndef OPENSSL_SYS_VMS
1743 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1744 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1745 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1746 #else
1747 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1748 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1749 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1750 #endif
1751 out = BIO_new_file(buf[0], "w");
1752 if (out == NULL) {
1753 perror(dbfile);
1754 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1755 goto err;
1756 }
1757 j = TXT_DB_write(out, db->db);
1758 BIO_free(out);
1759 if (j <= 0)
1760 goto err;
1761
1762 out = BIO_new_file(buf[1], "w");
1763 if (out == NULL) {
1764 perror(buf[2]);
1765 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1766 goto err;
1767 }
1768 BIO_printf(out, "unique_subject = %s\n",
1769 db->attributes.unique_subject ? "yes" : "no");
1770 BIO_free(out);
1771
1772 return 1;
1773 err:
1774 ERR_print_errors(bio_err);
1775 return 0;
1776 }
1777
rotate_index(const char * dbfile,const char * new_suffix,const char * old_suffix)1778 int rotate_index(const char *dbfile, const char *new_suffix,
1779 const char *old_suffix)
1780 {
1781 char buf[5][BSIZE];
1782 int i, j;
1783
1784 i = strlen(dbfile) + strlen(old_suffix);
1785 j = strlen(dbfile) + strlen(new_suffix);
1786 if (i > j)
1787 j = i;
1788 if (j + 6 >= BSIZE) {
1789 BIO_printf(bio_err, "File name too long\n");
1790 goto err;
1791 }
1792 #ifndef OPENSSL_SYS_VMS
1793 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1794 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1795 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1796 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1797 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1798 #else
1799 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1800 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1801 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1802 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1803 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1804 #endif
1805 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1806 #ifdef ENOTDIR
1807 && errno != ENOTDIR
1808 #endif
1809 ) {
1810 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1811 perror("reason");
1812 goto err;
1813 }
1814 if (rename(buf[0], dbfile) < 0) {
1815 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1816 perror("reason");
1817 rename(buf[1], dbfile);
1818 goto err;
1819 }
1820 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1821 #ifdef ENOTDIR
1822 && errno != ENOTDIR
1823 #endif
1824 ) {
1825 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1826 perror("reason");
1827 rename(dbfile, buf[0]);
1828 rename(buf[1], dbfile);
1829 goto err;
1830 }
1831 if (rename(buf[2], buf[4]) < 0) {
1832 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1833 perror("reason");
1834 rename(buf[3], buf[4]);
1835 rename(dbfile, buf[0]);
1836 rename(buf[1], dbfile);
1837 goto err;
1838 }
1839 return 1;
1840 err:
1841 ERR_print_errors(bio_err);
1842 return 0;
1843 }
1844
free_index(CA_DB * db)1845 void free_index(CA_DB *db)
1846 {
1847 if (db) {
1848 TXT_DB_free(db->db);
1849 OPENSSL_free(db->dbfname);
1850 OPENSSL_free(db);
1851 }
1852 }
1853
parse_yesno(const char * str,int def)1854 int parse_yesno(const char *str, int def)
1855 {
1856 if (str) {
1857 switch (*str) {
1858 case 'f': /* false */
1859 case 'F': /* FALSE */
1860 case 'n': /* no */
1861 case 'N': /* NO */
1862 case '0': /* 0 */
1863 return 0;
1864 case 't': /* true */
1865 case 'T': /* TRUE */
1866 case 'y': /* yes */
1867 case 'Y': /* YES */
1868 case '1': /* 1 */
1869 return 1;
1870 }
1871 }
1872 return def;
1873 }
1874
1875 /*
1876 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1877 * where + can be used instead of / to form multi-valued RDNs if canmulti
1878 * and characters may be escaped by \
1879 */
parse_name(const char * cp,int chtype,int canmulti,const char * desc)1880 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1881 const char *desc)
1882 {
1883 int nextismulti = 0;
1884 char *work;
1885 X509_NAME *n;
1886
1887 if (*cp++ != '/') {
1888 BIO_printf(bio_err,
1889 "%s: %s name is expected to be in the format "
1890 "/type0=value0/type1=value1/type2=... where characters may "
1891 "be escaped by \\. This name is not in that format: '%s'\n",
1892 opt_getprog(), desc, --cp);
1893 return NULL;
1894 }
1895
1896 n = X509_NAME_new();
1897 if (n == NULL) {
1898 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1899 return NULL;
1900 }
1901 work = OPENSSL_strdup(cp);
1902 if (work == NULL) {
1903 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1904 opt_getprog(), desc);
1905 goto err;
1906 }
1907
1908 while (*cp != '\0') {
1909 char *bp = work;
1910 char *typestr = bp;
1911 unsigned char *valstr;
1912 int nid;
1913 int ismulti = nextismulti;
1914 nextismulti = 0;
1915
1916 /* Collect the type */
1917 while (*cp != '\0' && *cp != '=')
1918 *bp++ = *cp++;
1919 *bp++ = '\0';
1920 if (*cp == '\0') {
1921 BIO_printf(bio_err,
1922 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1923 opt_getprog(), typestr, desc);
1924 goto err;
1925 }
1926 ++cp;
1927
1928 /* Collect the value. */
1929 valstr = (unsigned char *)bp;
1930 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1931 /* unescaped '+' symbol string signals further member of multiRDN */
1932 if (canmulti && *cp == '+') {
1933 nextismulti = 1;
1934 break;
1935 }
1936 if (*cp == '\\' && *++cp == '\0') {
1937 BIO_printf(bio_err,
1938 "%s: Escape character at end of %s name string\n",
1939 opt_getprog(), desc);
1940 goto err;
1941 }
1942 }
1943 *bp++ = '\0';
1944
1945 /* If not at EOS (must be + or /), move forward. */
1946 if (*cp != '\0')
1947 ++cp;
1948
1949 /* Parse */
1950 nid = OBJ_txt2nid(typestr);
1951 if (nid == NID_undef) {
1952 BIO_printf(bio_err,
1953 "%s warning: Skipping unknown %s name attribute \"%s\"\n",
1954 opt_getprog(), desc, typestr);
1955 if (ismulti)
1956 BIO_printf(bio_err,
1957 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n",
1958 opt_getprog());
1959 continue;
1960 }
1961 if (*valstr == '\0') {
1962 BIO_printf(bio_err,
1963 "%s warning: No value provided for %s name attribute \"%s\", skipped\n",
1964 opt_getprog(), desc, typestr);
1965 continue;
1966 }
1967 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1968 valstr, strlen((char *)valstr),
1969 -1, ismulti ? -1 : 0)) {
1970 ERR_print_errors(bio_err);
1971 BIO_printf(bio_err,
1972 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1973 opt_getprog(), desc, typestr ,valstr);
1974 goto err;
1975 }
1976 }
1977
1978 OPENSSL_free(work);
1979 return n;
1980
1981 err:
1982 X509_NAME_free(n);
1983 OPENSSL_free(work);
1984 return NULL;
1985 }
1986
1987 /*
1988 * Read whole contents of a BIO into an allocated memory buffer and return
1989 * it.
1990 */
1991
bio_to_mem(unsigned char ** out,int maxlen,BIO * in)1992 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1993 {
1994 BIO *mem;
1995 int len, ret;
1996 unsigned char tbuf[1024];
1997
1998 mem = BIO_new(BIO_s_mem());
1999 if (mem == NULL)
2000 return -1;
2001 for (;;) {
2002 if ((maxlen != -1) && maxlen < 1024)
2003 len = maxlen;
2004 else
2005 len = 1024;
2006 len = BIO_read(in, tbuf, len);
2007 if (len < 0) {
2008 BIO_free(mem);
2009 return -1;
2010 }
2011 if (len == 0)
2012 break;
2013 if (BIO_write(mem, tbuf, len) != len) {
2014 BIO_free(mem);
2015 return -1;
2016 }
2017 if (maxlen != -1)
2018 maxlen -= len;
2019
2020 if (maxlen == 0)
2021 break;
2022 }
2023 ret = BIO_get_mem_data(mem, (char **)out);
2024 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2025 BIO_free(mem);
2026 return ret;
2027 }
2028
pkey_ctrl_string(EVP_PKEY_CTX * ctx,const char * value)2029 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2030 {
2031 int rv = 0;
2032 char *stmp, *vtmp = NULL;
2033
2034 stmp = OPENSSL_strdup(value);
2035 if (stmp == NULL)
2036 return -1;
2037 vtmp = strchr(stmp, ':');
2038 if (vtmp == NULL)
2039 goto err;
2040
2041 *vtmp = 0;
2042 vtmp++;
2043 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2044
2045 err:
2046 OPENSSL_free(stmp);
2047 return rv;
2048 }
2049
nodes_print(const char * name,STACK_OF (X509_POLICY_NODE)* nodes)2050 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2051 {
2052 X509_POLICY_NODE *node;
2053 int i;
2054
2055 BIO_printf(bio_err, "%s Policies:", name);
2056 if (nodes) {
2057 BIO_puts(bio_err, "\n");
2058 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2059 node = sk_X509_POLICY_NODE_value(nodes, i);
2060 X509_POLICY_NODE_print(bio_err, node, 2);
2061 }
2062 } else {
2063 BIO_puts(bio_err, " <empty>\n");
2064 }
2065 }
2066
policies_print(X509_STORE_CTX * ctx)2067 void policies_print(X509_STORE_CTX *ctx)
2068 {
2069 X509_POLICY_TREE *tree;
2070 int explicit_policy;
2071 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2072 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2073
2074 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2075 explicit_policy ? "True" : "False");
2076
2077 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2078 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2079 }
2080
2081 /*-
2082 * next_protos_parse parses a comma separated list of strings into a string
2083 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2084 * outlen: (output) set to the length of the resulting buffer on success.
2085 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2086 * in: a NUL terminated string like "abc,def,ghi"
2087 *
2088 * returns: a malloc'd buffer or NULL on failure.
2089 */
next_protos_parse(size_t * outlen,const char * in)2090 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2091 {
2092 size_t len;
2093 unsigned char *out;
2094 size_t i, start = 0;
2095 size_t skipped = 0;
2096
2097 len = strlen(in);
2098 if (len == 0 || len >= 65535)
2099 return NULL;
2100
2101 out = app_malloc(len + 1, "NPN buffer");
2102 for (i = 0; i <= len; ++i) {
2103 if (i == len || in[i] == ',') {
2104 /*
2105 * Zero-length ALPN elements are invalid on the wire, we could be
2106 * strict and reject the entire string, but just ignoring extra
2107 * commas seems harmless and more friendly.
2108 *
2109 * Every comma we skip in this way puts the input buffer another
2110 * byte ahead of the output buffer, so all stores into the output
2111 * buffer need to be decremented by the number commas skipped.
2112 */
2113 if (i == start) {
2114 ++start;
2115 ++skipped;
2116 continue;
2117 }
2118 if (i - start > 255) {
2119 OPENSSL_free(out);
2120 return NULL;
2121 }
2122 out[start-skipped] = (unsigned char)(i - start);
2123 start = i + 1;
2124 } else {
2125 out[i + 1 - skipped] = in[i];
2126 }
2127 }
2128
2129 if (len <= skipped) {
2130 OPENSSL_free(out);
2131 return NULL;
2132 }
2133
2134 *outlen = len + 1 - skipped;
2135 return out;
2136 }
2137
print_cert_checks(BIO * bio,X509 * x,const char * checkhost,const char * checkemail,const char * checkip)2138 void print_cert_checks(BIO *bio, X509 *x,
2139 const char *checkhost,
2140 const char *checkemail, const char *checkip)
2141 {
2142 if (x == NULL)
2143 return;
2144 if (checkhost) {
2145 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2146 checkhost,
2147 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2148 ? "" : " NOT");
2149 }
2150
2151 if (checkemail) {
2152 BIO_printf(bio, "Email %s does%s match certificate\n",
2153 checkemail, X509_check_email(x, checkemail, 0, 0)
2154 ? "" : " NOT");
2155 }
2156
2157 if (checkip) {
2158 BIO_printf(bio, "IP %s does%s match certificate\n",
2159 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2160 }
2161 }
2162
do_pkey_ctx_init(EVP_PKEY_CTX * pkctx,STACK_OF (OPENSSL_STRING)* opts)2163 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2164 {
2165 int i;
2166
2167 if (opts == NULL)
2168 return 1;
2169
2170 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2171 char *opt = sk_OPENSSL_STRING_value(opts, i);
2172 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2173 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2174 ERR_print_errors(bio_err);
2175 return 0;
2176 }
2177 }
2178
2179 return 1;
2180 }
2181
do_x509_init(X509 * x,STACK_OF (OPENSSL_STRING)* opts)2182 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2183 {
2184 int i;
2185
2186 if (opts == NULL)
2187 return 1;
2188
2189 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2190 char *opt = sk_OPENSSL_STRING_value(opts, i);
2191 if (x509_ctrl_string(x, opt) <= 0) {
2192 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2193 ERR_print_errors(bio_err);
2194 return 0;
2195 }
2196 }
2197
2198 return 1;
2199 }
2200
do_x509_req_init(X509_REQ * x,STACK_OF (OPENSSL_STRING)* opts)2201 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2202 {
2203 int i;
2204
2205 if (opts == NULL)
2206 return 1;
2207
2208 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2209 char *opt = sk_OPENSSL_STRING_value(opts, i);
2210 if (x509_req_ctrl_string(x, opt) <= 0) {
2211 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2212 ERR_print_errors(bio_err);
2213 return 0;
2214 }
2215 }
2216
2217 return 1;
2218 }
2219
do_sign_init(EVP_MD_CTX * ctx,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2220 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2221 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2222 {
2223 EVP_PKEY_CTX *pkctx = NULL;
2224 char def_md[80];
2225
2226 if (ctx == NULL)
2227 return 0;
2228 /*
2229 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2230 * for this algorithm.
2231 */
2232 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2233 && strcmp(def_md, "UNDEF") == 0) {
2234 /* The signing algorithm requires there to be no digest */
2235 md = NULL;
2236 }
2237
2238 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2239 app_get0_propq(), pkey, NULL)
2240 && do_pkey_ctx_init(pkctx, sigopts);
2241 }
2242
adapt_keyid_ext(X509 * cert,X509V3_CTX * ext_ctx,const char * name,const char * value,int add_default)2243 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2244 const char *name, const char *value, int add_default)
2245 {
2246 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2247 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2248 int idx, rv = 0;
2249
2250 if (new_ext == NULL)
2251 return rv;
2252
2253 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2254 if (idx >= 0) {
2255 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2256 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2257 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2258
2259 if (disabled) {
2260 X509_delete_ext(cert, idx);
2261 X509_EXTENSION_free(found_ext);
2262 } /* else keep existing key identifier, which might be outdated */
2263 rv = 1;
2264 } else {
2265 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2266 }
2267 X509_EXTENSION_free(new_ext);
2268 return rv;
2269 }
2270
2271 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
do_X509_sign(X509 * cert,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts,X509V3_CTX * ext_ctx)2272 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2273 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2274 {
2275 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2276 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2277 int self_sign;
2278 int rv = 0;
2279
2280 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2281 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2282 if (!X509_set_version(cert, X509_VERSION_3))
2283 goto end;
2284
2285 /*
2286 * Add default SKID before such that default AKID can make use of it
2287 * in case the certificate is self-signed
2288 */
2289 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2290 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2291 goto end;
2292 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2293 ERR_set_mark();
2294 self_sign = X509_check_private_key(cert, pkey);
2295 ERR_pop_to_mark();
2296 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2297 "keyid, issuer", !self_sign))
2298 goto end;
2299 }
2300
2301 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2302 rv = (X509_sign_ctx(cert, mctx) > 0);
2303 end:
2304 EVP_MD_CTX_free(mctx);
2305 return rv;
2306 }
2307
2308 /* Sign the certificate request info */
do_X509_REQ_sign(X509_REQ * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2309 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2310 STACK_OF(OPENSSL_STRING) *sigopts)
2311 {
2312 int rv = 0;
2313 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2314
2315 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2316 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2317 EVP_MD_CTX_free(mctx);
2318 return rv;
2319 }
2320
2321 /* Sign the CRL info */
do_X509_CRL_sign(X509_CRL * x,EVP_PKEY * pkey,const char * md,STACK_OF (OPENSSL_STRING)* sigopts)2322 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2323 STACK_OF(OPENSSL_STRING) *sigopts)
2324 {
2325 int rv = 0;
2326 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2327
2328 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2329 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2330 EVP_MD_CTX_free(mctx);
2331 return rv;
2332 }
2333
2334 /*
2335 * do_X509_verify returns 1 if the signature is valid,
2336 * 0 if the signature check fails, or -1 if error occurs.
2337 */
do_X509_verify(X509 * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2338 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2339 {
2340 int rv = 0;
2341
2342 if (do_x509_init(x, vfyopts) > 0)
2343 rv = X509_verify(x, pkey);
2344 else
2345 rv = -1;
2346 return rv;
2347 }
2348
2349 /*
2350 * do_X509_REQ_verify returns 1 if the signature is valid,
2351 * 0 if the signature check fails, or -1 if error occurs.
2352 */
do_X509_REQ_verify(X509_REQ * x,EVP_PKEY * pkey,STACK_OF (OPENSSL_STRING)* vfyopts)2353 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2354 STACK_OF(OPENSSL_STRING) *vfyopts)
2355 {
2356 int rv = 0;
2357
2358 if (do_x509_req_init(x, vfyopts) > 0)
2359 rv = X509_REQ_verify_ex(x, pkey,
2360 app_get0_libctx(), app_get0_propq());
2361 else
2362 rv = -1;
2363 return rv;
2364 }
2365
2366 /* Get first http URL from a DIST_POINT structure */
2367
get_dp_url(DIST_POINT * dp)2368 static const char *get_dp_url(DIST_POINT *dp)
2369 {
2370 GENERAL_NAMES *gens;
2371 GENERAL_NAME *gen;
2372 int i, gtype;
2373 ASN1_STRING *uri;
2374 if (!dp->distpoint || dp->distpoint->type != 0)
2375 return NULL;
2376 gens = dp->distpoint->name.fullname;
2377 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2378 gen = sk_GENERAL_NAME_value(gens, i);
2379 uri = GENERAL_NAME_get0_value(gen, >ype);
2380 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2381 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2382
2383 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2384 return uptr;
2385 }
2386 }
2387 return NULL;
2388 }
2389
2390 /*
2391 * Look through a CRLDP structure and attempt to find an http URL to
2392 * downloads a CRL from.
2393 */
2394
load_crl_crldp(STACK_OF (DIST_POINT)* crldp)2395 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2396 {
2397 int i;
2398 const char *urlptr = NULL;
2399 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2400 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2401 urlptr = get_dp_url(dp);
2402 if (urlptr != NULL)
2403 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2404 }
2405 return NULL;
2406 }
2407
2408 /*
2409 * Example of downloading CRLs from CRLDP:
2410 * not usable for real world as it always downloads and doesn't cache anything.
2411 */
2412
STACK_OF(X509_CRL)2413 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2414 const X509_NAME *nm)
2415 {
2416 X509 *x;
2417 STACK_OF(X509_CRL) *crls = NULL;
2418 X509_CRL *crl;
2419 STACK_OF(DIST_POINT) *crldp;
2420
2421 crls = sk_X509_CRL_new_null();
2422 if (!crls)
2423 return NULL;
2424 x = X509_STORE_CTX_get_current_cert(ctx);
2425 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2426 crl = load_crl_crldp(crldp);
2427 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2428 if (!crl) {
2429 sk_X509_CRL_free(crls);
2430 return NULL;
2431 }
2432 sk_X509_CRL_push(crls, crl);
2433 /* Try to download delta CRL */
2434 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2435 crl = load_crl_crldp(crldp);
2436 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2437 if (crl)
2438 sk_X509_CRL_push(crls, crl);
2439 return crls;
2440 }
2441
store_setup_crl_download(X509_STORE * st)2442 void store_setup_crl_download(X509_STORE *st)
2443 {
2444 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2445 }
2446
2447 #ifndef OPENSSL_NO_SOCK
tls_error_hint(void)2448 static const char *tls_error_hint(void)
2449 {
2450 unsigned long err = ERR_peek_error();
2451
2452 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2453 err = ERR_peek_last_error();
2454 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2455 return NULL;
2456
2457 switch (ERR_GET_REASON(err)) {
2458 case SSL_R_WRONG_VERSION_NUMBER:
2459 return "The server does not support (a suitable version of) TLS";
2460 case SSL_R_UNKNOWN_PROTOCOL:
2461 return "The server does not support HTTPS";
2462 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2463 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2464 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2465 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2466 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2467 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2468 default: /* no error or no hint available for error */
2469 return NULL;
2470 }
2471 }
2472
2473 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
app_http_tls_cb(BIO * bio,void * arg,int connect,int detail)2474 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2475 {
2476 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2477 SSL_CTX *ssl_ctx = info->ssl_ctx;
2478
2479 if (ssl_ctx == NULL) /* not using TLS */
2480 return bio;
2481 if (connect) {
2482 SSL *ssl;
2483 BIO *sbio = NULL;
2484 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2485 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2486 const char *host = vpm == NULL ? NULL :
2487 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2488
2489 /* adapt after fixing callback design flaw, see #17088 */
2490 if ((info->use_proxy
2491 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2492 NULL, NULL, /* no proxy credentials */
2493 info->timeout, bio_err, opt_getprog()))
2494 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2495 return NULL;
2496 }
2497 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2498 BIO_free(sbio);
2499 return NULL;
2500 }
2501
2502 if (vpm != NULL)
2503 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2504
2505 SSL_set_connect_state(ssl);
2506 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2507
2508 bio = BIO_push(sbio, bio);
2509 }
2510 if (!connect) {
2511 const char *hint;
2512 BIO *cbio;
2513
2514 if (!detail) { /* disconnecting after error */
2515 hint = tls_error_hint();
2516 if (hint != NULL)
2517 ERR_add_error_data(2, " : ", hint);
2518 }
2519 if (ssl_ctx != NULL) {
2520 (void)ERR_set_mark();
2521 BIO_ssl_shutdown(bio);
2522 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2523 BIO_free(bio); /* SSL BIO */
2524 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2525 bio = cbio;
2526 }
2527 }
2528 return bio;
2529 }
2530
APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO * info)2531 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2532 {
2533 if (info != NULL) {
2534 SSL_CTX_free(info->ssl_ctx);
2535 OPENSSL_free(info);
2536 }
2537 }
2538
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)2539 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2540 const char *no_proxy, SSL_CTX *ssl_ctx,
2541 const STACK_OF(CONF_VALUE) *headers,
2542 long timeout, const char *expected_content_type,
2543 const ASN1_ITEM *it)
2544 {
2545 APP_HTTP_TLS_INFO info;
2546 char *server;
2547 char *port;
2548 int use_ssl;
2549 BIO *mem;
2550 ASN1_VALUE *resp = NULL;
2551
2552 if (url == NULL || it == NULL) {
2553 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2554 return NULL;
2555 }
2556
2557 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2558 NULL /* port_num, */, NULL, NULL, NULL))
2559 return NULL;
2560 if (use_ssl && ssl_ctx == NULL) {
2561 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2562 "missing SSL_CTX");
2563 goto end;
2564 }
2565 if (!use_ssl && ssl_ctx != NULL) {
2566 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2567 "SSL_CTX given but use_ssl == 0");
2568 goto end;
2569 }
2570
2571 info.server = server;
2572 info.port = port;
2573 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2574 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2575 info.timeout = timeout;
2576 info.ssl_ctx = ssl_ctx;
2577 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2578 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2579 expected_content_type, 1 /* expect_asn1 */,
2580 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2581 resp = ASN1_item_d2i_bio(it, mem, NULL);
2582 BIO_free(mem);
2583
2584 end:
2585 OPENSSL_free(server);
2586 OPENSSL_free(port);
2587 return resp;
2588
2589 }
2590
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)2591 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2592 const char *path, const char *proxy,
2593 const char *no_proxy, SSL_CTX *ssl_ctx,
2594 const STACK_OF(CONF_VALUE) *headers,
2595 const char *content_type,
2596 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2597 const char *expected_content_type,
2598 long timeout, const ASN1_ITEM *rsp_it)
2599 {
2600 int use_ssl = ssl_ctx != NULL;
2601 APP_HTTP_TLS_INFO info;
2602 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2603 ASN1_VALUE *res;
2604
2605 if (req_mem == NULL)
2606 return NULL;
2607
2608 info.server = host;
2609 info.port = port;
2610 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2611 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2612 info.timeout = timeout;
2613 info.ssl_ctx = ssl_ctx;
2614 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2615 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2616 app_http_tls_cb, &info,
2617 0 /* buf_size */, headers, content_type, req_mem,
2618 expected_content_type, 1 /* expect_asn1 */,
2619 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2620 0 /* keep_alive */);
2621 BIO_free(req_mem);
2622 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2623 BIO_free(rsp);
2624 return res;
2625 }
2626
2627 #endif
2628
2629 /*
2630 * Platform-specific sections
2631 */
2632 #if defined(_WIN32)
2633 # ifdef fileno
2634 # undef fileno
2635 # define fileno(a) (int)_fileno(a)
2636 # endif
2637
2638 # include <windows.h>
2639 # include <tchar.h>
2640
WIN32_rename(const char * from,const char * to)2641 static int WIN32_rename(const char *from, const char *to)
2642 {
2643 TCHAR *tfrom = NULL, *tto;
2644 DWORD err;
2645 int ret = 0;
2646
2647 if (sizeof(TCHAR) == 1) {
2648 tfrom = (TCHAR *)from;
2649 tto = (TCHAR *)to;
2650 } else { /* UNICODE path */
2651
2652 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2653 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2654 if (tfrom == NULL)
2655 goto err;
2656 tto = tfrom + flen;
2657 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2658 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2659 # endif
2660 for (i = 0; i < flen; i++)
2661 tfrom[i] = (TCHAR)from[i];
2662 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2663 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2664 # endif
2665 for (i = 0; i < tlen; i++)
2666 tto[i] = (TCHAR)to[i];
2667 }
2668
2669 if (MoveFile(tfrom, tto))
2670 goto ok;
2671 err = GetLastError();
2672 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2673 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2674 goto ok;
2675 err = GetLastError();
2676 }
2677 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2678 errno = ENOENT;
2679 else if (err == ERROR_ACCESS_DENIED)
2680 errno = EACCES;
2681 else
2682 errno = EINVAL; /* we could map more codes... */
2683 err:
2684 ret = -1;
2685 ok:
2686 if (tfrom != NULL && tfrom != (TCHAR *)from)
2687 free(tfrom);
2688 return ret;
2689 }
2690 #endif
2691
2692 /* app_tminterval section */
2693 #if defined(_WIN32)
app_tminterval(int stop,int usertime)2694 double app_tminterval(int stop, int usertime)
2695 {
2696 FILETIME now;
2697 double ret = 0;
2698 static ULARGE_INTEGER tmstart;
2699 static int warning = 1;
2700 # ifdef _WIN32_WINNT
2701 static HANDLE proc = NULL;
2702
2703 if (proc == NULL) {
2704 if (check_winnt())
2705 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2706 GetCurrentProcessId());
2707 if (proc == NULL)
2708 proc = (HANDLE) - 1;
2709 }
2710
2711 if (usertime && proc != (HANDLE) - 1) {
2712 FILETIME junk;
2713 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2714 } else
2715 # endif
2716 {
2717 SYSTEMTIME systime;
2718
2719 if (usertime && warning) {
2720 BIO_printf(bio_err, "To get meaningful results, run "
2721 "this program on idle system.\n");
2722 warning = 0;
2723 }
2724 GetSystemTime(&systime);
2725 SystemTimeToFileTime(&systime, &now);
2726 }
2727
2728 if (stop == TM_START) {
2729 tmstart.u.LowPart = now.dwLowDateTime;
2730 tmstart.u.HighPart = now.dwHighDateTime;
2731 } else {
2732 ULARGE_INTEGER tmstop;
2733
2734 tmstop.u.LowPart = now.dwLowDateTime;
2735 tmstop.u.HighPart = now.dwHighDateTime;
2736
2737 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2738 }
2739
2740 return ret;
2741 }
2742 #elif defined(OPENSSL_SYS_VXWORKS)
2743 # include <time.h>
2744
app_tminterval(int stop,int usertime)2745 double app_tminterval(int stop, int usertime)
2746 {
2747 double ret = 0;
2748 # ifdef CLOCK_REALTIME
2749 static struct timespec tmstart;
2750 struct timespec now;
2751 # else
2752 static unsigned long tmstart;
2753 unsigned long now;
2754 # endif
2755 static int warning = 1;
2756
2757 if (usertime && warning) {
2758 BIO_printf(bio_err, "To get meaningful results, run "
2759 "this program on idle system.\n");
2760 warning = 0;
2761 }
2762 # ifdef CLOCK_REALTIME
2763 clock_gettime(CLOCK_REALTIME, &now);
2764 if (stop == TM_START)
2765 tmstart = now;
2766 else
2767 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2768 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2769 # else
2770 now = tickGet();
2771 if (stop == TM_START)
2772 tmstart = now;
2773 else
2774 ret = (now - tmstart) / (double)sysClkRateGet();
2775 # endif
2776 return ret;
2777 }
2778
2779 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2780 # include <sys/times.h>
2781
app_tminterval(int stop,int usertime)2782 double app_tminterval(int stop, int usertime)
2783 {
2784 double ret = 0;
2785 struct tms rus;
2786 clock_t now = times(&rus);
2787 static clock_t tmstart;
2788
2789 if (usertime)
2790 now = rus.tms_utime;
2791
2792 if (stop == TM_START) {
2793 tmstart = now;
2794 } else {
2795 long int tck = sysconf(_SC_CLK_TCK);
2796 ret = (now - tmstart) / (double)tck;
2797 }
2798
2799 return ret;
2800 }
2801
2802 #else
2803 # include <sys/time.h>
2804 # include <sys/resource.h>
2805
app_tminterval(int stop,int usertime)2806 double app_tminterval(int stop, int usertime)
2807 {
2808 double ret = 0;
2809 struct rusage rus;
2810 struct timeval now;
2811 static struct timeval tmstart;
2812
2813 if (usertime)
2814 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2815 else
2816 gettimeofday(&now, NULL);
2817
2818 if (stop == TM_START)
2819 tmstart = now;
2820 else
2821 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2822 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2823
2824 return ret;
2825 }
2826 #endif
2827
app_access(const char * name,int flag)2828 int app_access(const char* name, int flag)
2829 {
2830 #ifdef _WIN32
2831 return _access(name, flag);
2832 #else
2833 return access(name, flag);
2834 #endif
2835 }
2836
app_isdir(const char * name)2837 int app_isdir(const char *name)
2838 {
2839 return opt_isdir(name);
2840 }
2841
2842 /* raw_read|write section */
2843 #if defined(__VMS)
2844 # include "vms_term_sock.h"
2845 static int stdin_sock = -1;
2846
close_stdin_sock(void)2847 static void close_stdin_sock(void)
2848 {
2849 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2850 }
2851
fileno_stdin(void)2852 int fileno_stdin(void)
2853 {
2854 if (stdin_sock == -1) {
2855 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2856 atexit(close_stdin_sock);
2857 }
2858
2859 return stdin_sock;
2860 }
2861 #else
fileno_stdin(void)2862 int fileno_stdin(void)
2863 {
2864 return fileno(stdin);
2865 }
2866 #endif
2867
fileno_stdout(void)2868 int fileno_stdout(void)
2869 {
2870 return fileno(stdout);
2871 }
2872
2873 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
raw_read_stdin(void * buf,int siz)2874 int raw_read_stdin(void *buf, int siz)
2875 {
2876 DWORD n;
2877 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2878 return n;
2879 else
2880 return -1;
2881 }
2882 #elif defined(__VMS)
2883 # include <sys/socket.h>
2884
raw_read_stdin(void * buf,int siz)2885 int raw_read_stdin(void *buf, int siz)
2886 {
2887 return recv(fileno_stdin(), buf, siz, 0);
2888 }
2889 #else
2890 # if defined(__TANDEM)
2891 # if defined(OPENSSL_TANDEM_FLOSS)
2892 # include <floss.h(floss_read)>
2893 # endif
2894 # endif
raw_read_stdin(void * buf,int siz)2895 int raw_read_stdin(void *buf, int siz)
2896 {
2897 return read(fileno_stdin(), buf, siz);
2898 }
2899 #endif
2900
2901 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
raw_write_stdout(const void * buf,int siz)2902 int raw_write_stdout(const void *buf, int siz)
2903 {
2904 DWORD n;
2905 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2906 return n;
2907 else
2908 return -1;
2909 }
2910 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2911 # if defined(__TANDEM)
2912 # if defined(OPENSSL_TANDEM_FLOSS)
2913 # include <floss.h(floss_write)>
2914 # endif
2915 # endif
raw_write_stdout(const void * buf,int siz)2916 int raw_write_stdout(const void *buf,int siz)
2917 {
2918 return write(fileno(stdout),(void*)buf,siz);
2919 }
2920 #else
2921 # if defined(__TANDEM)
2922 # if defined(OPENSSL_TANDEM_FLOSS)
2923 # include <floss.h(floss_write)>
2924 # endif
2925 # endif
raw_write_stdout(const void * buf,int siz)2926 int raw_write_stdout(const void *buf, int siz)
2927 {
2928 return write(fileno_stdout(), buf, siz);
2929 }
2930 #endif
2931
2932 /*
2933 * Centralized handling of input and output files with format specification
2934 * The format is meant to show what the input and output is supposed to be,
2935 * and is therefore a show of intent more than anything else. However, it
2936 * does impact behavior on some platforms, such as differentiating between
2937 * text and binary input/output on non-Unix platforms
2938 */
dup_bio_in(int format)2939 BIO *dup_bio_in(int format)
2940 {
2941 return BIO_new_fp(stdin,
2942 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2943 }
2944
dup_bio_out(int format)2945 BIO *dup_bio_out(int format)
2946 {
2947 BIO *b = BIO_new_fp(stdout,
2948 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2949 void *prefix = NULL;
2950
2951 if (b == NULL)
2952 return NULL;
2953
2954 #ifdef OPENSSL_SYS_VMS
2955 if (FMT_istext(format))
2956 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2957 #endif
2958
2959 if (FMT_istext(format)
2960 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2961 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2962 BIO_set_prefix(b, prefix);
2963 }
2964
2965 return b;
2966 }
2967
dup_bio_err(int format)2968 BIO *dup_bio_err(int format)
2969 {
2970 BIO *b = BIO_new_fp(stderr,
2971 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2972 #ifdef OPENSSL_SYS_VMS
2973 if (b != NULL && FMT_istext(format))
2974 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2975 #endif
2976 return b;
2977 }
2978
unbuffer(FILE * fp)2979 void unbuffer(FILE *fp)
2980 {
2981 /*
2982 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2983 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2984 * However, we trust that the C RTL will never give us a FILE pointer
2985 * above the first 4 GB of memory, so we simply turn off the warning
2986 * temporarily.
2987 */
2988 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2989 # pragma environment save
2990 # pragma message disable maylosedata2
2991 #endif
2992 setbuf(fp, NULL);
2993 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2994 # pragma environment restore
2995 #endif
2996 }
2997
modestr(char mode,int format)2998 static const char *modestr(char mode, int format)
2999 {
3000 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
3001
3002 switch (mode) {
3003 case 'a':
3004 return FMT_istext(format) ? "a" : "ab";
3005 case 'r':
3006 return FMT_istext(format) ? "r" : "rb";
3007 case 'w':
3008 return FMT_istext(format) ? "w" : "wb";
3009 }
3010 /* The assert above should make sure we never reach this point */
3011 return NULL;
3012 }
3013
modeverb(char mode)3014 static const char *modeverb(char mode)
3015 {
3016 switch (mode) {
3017 case 'a':
3018 return "appending";
3019 case 'r':
3020 return "reading";
3021 case 'w':
3022 return "writing";
3023 }
3024 return "(doing something)";
3025 }
3026
3027 /*
3028 * Open a file for writing, owner-read-only.
3029 */
bio_open_owner(const char * filename,int format,int private)3030 BIO *bio_open_owner(const char *filename, int format, int private)
3031 {
3032 FILE *fp = NULL;
3033 BIO *b = NULL;
3034 int textmode, bflags;
3035 #ifndef OPENSSL_NO_POSIX_IO
3036 int fd = -1, mode;
3037 #endif
3038
3039 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3040 return bio_open_default(filename, 'w', format);
3041
3042 textmode = FMT_istext(format);
3043 #ifndef OPENSSL_NO_POSIX_IO
3044 mode = O_WRONLY;
3045 # ifdef O_CREAT
3046 mode |= O_CREAT;
3047 # endif
3048 # ifdef O_TRUNC
3049 mode |= O_TRUNC;
3050 # endif
3051 if (!textmode) {
3052 # ifdef O_BINARY
3053 mode |= O_BINARY;
3054 # elif defined(_O_BINARY)
3055 mode |= _O_BINARY;
3056 # endif
3057 }
3058
3059 # ifdef OPENSSL_SYS_VMS
3060 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
3061 * it still needs to know that we're going binary, or fdopen()
3062 * will fail with "invalid argument"... so we tell VMS what the
3063 * context is.
3064 */
3065 if (!textmode)
3066 fd = open(filename, mode, 0600, "ctx=bin");
3067 else
3068 # endif
3069 fd = open(filename, mode, 0600);
3070 if (fd < 0)
3071 goto err;
3072 fp = fdopen(fd, modestr('w', format));
3073 #else /* OPENSSL_NO_POSIX_IO */
3074 /* Have stdio but not Posix IO, do the best we can */
3075 fp = fopen(filename, modestr('w', format));
3076 #endif /* OPENSSL_NO_POSIX_IO */
3077 if (fp == NULL)
3078 goto err;
3079 bflags = BIO_CLOSE;
3080 if (textmode)
3081 bflags |= BIO_FP_TEXT;
3082 b = BIO_new_fp(fp, bflags);
3083 if (b != NULL)
3084 return b;
3085
3086 err:
3087 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3088 opt_getprog(), filename, strerror(errno));
3089 ERR_print_errors(bio_err);
3090 /* If we have fp, then fdopen took over fd, so don't close both. */
3091 if (fp != NULL)
3092 fclose(fp);
3093 #ifndef OPENSSL_NO_POSIX_IO
3094 else if (fd >= 0)
3095 close(fd);
3096 #endif
3097 return NULL;
3098 }
3099
bio_open_default_(const char * filename,char mode,int format,int quiet)3100 static BIO *bio_open_default_(const char *filename, char mode, int format,
3101 int quiet)
3102 {
3103 BIO *ret;
3104
3105 if (filename == NULL || strcmp(filename, "-") == 0) {
3106 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3107 if (quiet) {
3108 ERR_clear_error();
3109 return ret;
3110 }
3111 if (ret != NULL)
3112 return ret;
3113 BIO_printf(bio_err,
3114 "Can't open %s, %s\n",
3115 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3116 } else {
3117 ret = BIO_new_file(filename, modestr(mode, format));
3118 if (quiet) {
3119 ERR_clear_error();
3120 return ret;
3121 }
3122 if (ret != NULL)
3123 return ret;
3124 BIO_printf(bio_err,
3125 "Can't open \"%s\" for %s, %s\n",
3126 filename, modeverb(mode), strerror(errno));
3127 }
3128 ERR_print_errors(bio_err);
3129 return NULL;
3130 }
3131
bio_open_default(const char * filename,char mode,int format)3132 BIO *bio_open_default(const char *filename, char mode, int format)
3133 {
3134 return bio_open_default_(filename, mode, format, 0);
3135 }
3136
bio_open_default_quiet(const char * filename,char mode,int format)3137 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3138 {
3139 return bio_open_default_(filename, mode, format, 1);
3140 }
3141
wait_for_async(SSL * s)3142 void wait_for_async(SSL *s)
3143 {
3144 /* On Windows select only works for sockets, so we simply don't wait */
3145 #ifndef OPENSSL_SYS_WINDOWS
3146 int width = 0;
3147 fd_set asyncfds;
3148 OSSL_ASYNC_FD *fds;
3149 size_t numfds;
3150 size_t i;
3151
3152 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3153 return;
3154 if (numfds == 0)
3155 return;
3156 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3157 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3158 OPENSSL_free(fds);
3159 return;
3160 }
3161
3162 FD_ZERO(&asyncfds);
3163 for (i = 0; i < numfds; i++) {
3164 if (width <= (int)fds[i])
3165 width = (int)fds[i] + 1;
3166 openssl_fdset((int)fds[i], &asyncfds);
3167 }
3168 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3169 OPENSSL_free(fds);
3170 #endif
3171 }
3172
3173 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3174 #if defined(OPENSSL_SYS_MSDOS)
has_stdin_waiting(void)3175 int has_stdin_waiting(void)
3176 {
3177 # if defined(OPENSSL_SYS_WINDOWS)
3178 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3179 DWORD events = 0;
3180 INPUT_RECORD inputrec;
3181 DWORD insize = 1;
3182 BOOL peeked;
3183
3184 if (inhand == INVALID_HANDLE_VALUE) {
3185 return 0;
3186 }
3187
3188 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3189 if (!peeked) {
3190 /* Probably redirected input? _kbhit() does not work in this case */
3191 if (!feof(stdin)) {
3192 return 1;
3193 }
3194 return 0;
3195 }
3196 # endif
3197 return _kbhit();
3198 }
3199 #endif
3200
3201 /* Corrupt a signature by modifying final byte */
corrupt_signature(const ASN1_STRING * signature)3202 void corrupt_signature(const ASN1_STRING *signature)
3203 {
3204 unsigned char *s = signature->data;
3205 s[signature->length - 1] ^= 0x1;
3206 }
3207
set_cert_times(X509 * x,const char * startdate,const char * enddate,int days)3208 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3209 int days)
3210 {
3211 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3212 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3213 return 0;
3214 } else {
3215 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3216 return 0;
3217 }
3218 if (enddate == NULL) {
3219 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3220 == NULL)
3221 return 0;
3222 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3223 return 0;
3224 }
3225 return 1;
3226 }
3227
set_crl_lastupdate(X509_CRL * crl,const char * lastupdate)3228 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3229 {
3230 int ret = 0;
3231 ASN1_TIME *tm = ASN1_TIME_new();
3232
3233 if (tm == NULL)
3234 goto end;
3235
3236 if (lastupdate == NULL) {
3237 if (X509_gmtime_adj(tm, 0) == NULL)
3238 goto end;
3239 } else {
3240 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3241 goto end;
3242 }
3243
3244 if (!X509_CRL_set1_lastUpdate(crl, tm))
3245 goto end;
3246
3247 ret = 1;
3248 end:
3249 ASN1_TIME_free(tm);
3250 return ret;
3251 }
3252
set_crl_nextupdate(X509_CRL * crl,const char * nextupdate,long days,long hours,long secs)3253 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3254 long days, long hours, long secs)
3255 {
3256 int ret = 0;
3257 ASN1_TIME *tm = ASN1_TIME_new();
3258
3259 if (tm == NULL)
3260 goto end;
3261
3262 if (nextupdate == NULL) {
3263 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3264 goto end;
3265 } else {
3266 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3267 goto end;
3268 }
3269
3270 if (!X509_CRL_set1_nextUpdate(crl, tm))
3271 goto end;
3272
3273 ret = 1;
3274 end:
3275 ASN1_TIME_free(tm);
3276 return ret;
3277 }
3278
make_uppercase(char * string)3279 void make_uppercase(char *string)
3280 {
3281 int i;
3282
3283 for (i = 0; string[i] != '\0'; i++)
3284 string[i] = toupper((unsigned char)string[i]);
3285 }
3286
3287 /* This function is defined here due to visibility of bio_err */
opt_printf_stderr(const char * fmt,...)3288 int opt_printf_stderr(const char *fmt, ...)
3289 {
3290 va_list ap;
3291 int ret;
3292
3293 va_start(ap, fmt);
3294 ret = BIO_vprintf(bio_err, fmt, ap);
3295 va_end(ap);
3296 return ret;
3297 }
3298
app_params_new_from_opts(STACK_OF (OPENSSL_STRING)* opts,const OSSL_PARAM * paramdefs)3299 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3300 const OSSL_PARAM *paramdefs)
3301 {
3302 OSSL_PARAM *params = NULL;
3303 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3304 size_t params_n;
3305 char *opt = "", *stmp, *vtmp = NULL;
3306 int found = 1;
3307
3308 if (opts == NULL)
3309 return NULL;
3310
3311 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3312 if (params == NULL)
3313 return NULL;
3314
3315 for (params_n = 0; params_n < sz; params_n++) {
3316 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3317 if ((stmp = OPENSSL_strdup(opt)) == NULL
3318 || (vtmp = strchr(stmp, ':')) == NULL)
3319 goto err;
3320 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3321 *vtmp = 0;
3322 /* Skip over the separator so that vmtp points to the value */
3323 vtmp++;
3324 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs,
3325 stmp, vtmp, strlen(vtmp), &found))
3326 goto err;
3327 OPENSSL_free(stmp);
3328 }
3329 params[params_n] = OSSL_PARAM_construct_end();
3330 return params;
3331 err:
3332 OPENSSL_free(stmp);
3333 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3334 opt);
3335 ERR_print_errors(bio_err);
3336 app_params_free(params);
3337 return NULL;
3338 }
3339
app_params_free(OSSL_PARAM * params)3340 void app_params_free(OSSL_PARAM *params)
3341 {
3342 int i;
3343
3344 if (params != NULL) {
3345 for (i = 0; params[i].key != NULL; ++i)
3346 OPENSSL_free(params[i].data);
3347 OPENSSL_free(params);
3348 }
3349 }
3350
app_keygen(EVP_PKEY_CTX * ctx,const char * alg,int bits,int verbose)3351 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3352 {
3353 EVP_PKEY *res = NULL;
3354
3355 if (verbose && alg != NULL) {
3356 BIO_printf(bio_err, "Generating %s key", alg);
3357 if (bits > 0)
3358 BIO_printf(bio_err, " with %d bits\n", bits);
3359 else
3360 BIO_printf(bio_err, "\n");
3361 }
3362 if (!RAND_status())
3363 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3364 "if the system has a poor entropy source\n");
3365 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3366 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(),
3367 alg != NULL ? alg : "asymmetric");
3368 return res;
3369 }
3370
app_paramgen(EVP_PKEY_CTX * ctx,const char * alg)3371 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3372 {
3373 EVP_PKEY *res = NULL;
3374
3375 if (!RAND_status())
3376 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3377 "if the system has a poor entropy source\n");
3378 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3379 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n",
3380 opt_getprog(), alg != NULL ? alg : "asymmetric");
3381 return res;
3382 }
3383
3384 /*
3385 * Return non-zero if the legacy path is still an option.
3386 * This decision is based on the global command line operations and the
3387 * behaviour thus far.
3388 */
opt_legacy_okay(void)3389 int opt_legacy_okay(void)
3390 {
3391 int provider_options = opt_provider_option_given();
3392 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3393 /*
3394 * Having a provider option specified or a custom library context or
3395 * property query, is a sure sign we're not using legacy.
3396 */
3397 if (provider_options || libctx)
3398 return 0;
3399 return 1;
3400 }
3401