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