1 /*
2 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #include <sys/types.h>
22 #ifndef OPENSSL_NO_POSIX_IO
23 # include <sys/stat.h>
24 # include <fcntl.h>
25 #endif
26 #include <ctype.h>
27 #include <errno.h>
28 #include <openssl/err.h>
29 #include <openssl/x509.h>
30 #include <openssl/x509v3.h>
31 #include <openssl/pem.h>
32 #include <openssl/pkcs12.h>
33 #include <openssl/ui.h>
34 #include <openssl/safestack.h>
35 #ifndef OPENSSL_NO_ENGINE
36 # include <openssl/engine.h>
37 #endif
38 #ifndef OPENSSL_NO_RSA
39 # include <openssl/rsa.h>
40 #endif
41 #include <openssl/bn.h>
42 #include <openssl/ssl.h>
43 #include "apps.h"
44
45 #ifdef _WIN32
46 static int WIN32_rename(const char *from, const char *to);
47 # define rename(from,to) WIN32_rename((from),(to))
48 #endif
49
50 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
51 # include <conio.h>
52 #endif
53
54 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32)
55 # define _kbhit kbhit
56 #endif
57
58 typedef struct {
59 const char *name;
60 unsigned long flag;
61 unsigned long mask;
62 } NAME_EX_TBL;
63
64 static UI_METHOD *ui_method = NULL;
65 static const UI_METHOD *ui_fallback_method = NULL;
66
67 static int set_table_opts(unsigned long *flags, const char *arg,
68 const NAME_EX_TBL * in_tbl);
69 static int set_multi_opts(unsigned long *flags, const char *arg,
70 const NAME_EX_TBL * in_tbl);
71
72 int app_init(long mesgwin);
73
chopup_args(ARGS * arg,char * buf)74 int chopup_args(ARGS *arg, char *buf)
75 {
76 int quoted;
77 char c = '\0', *p = NULL;
78
79 arg->argc = 0;
80 if (arg->size == 0) {
81 arg->size = 20;
82 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
83 }
84
85 for (p = buf;;) {
86 /* Skip whitespace. */
87 while (*p && isspace(_UC(*p)))
88 p++;
89 if (!*p)
90 break;
91
92 /* The start of something good :-) */
93 if (arg->argc >= arg->size) {
94 char **tmp;
95 arg->size += 20;
96 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
97 if (tmp == NULL)
98 return 0;
99 arg->argv = tmp;
100 }
101 quoted = *p == '\'' || *p == '"';
102 if (quoted)
103 c = *p++;
104 arg->argv[arg->argc++] = p;
105
106 /* now look for the end of this */
107 if (quoted) {
108 while (*p && *p != c)
109 p++;
110 *p++ = '\0';
111 } else {
112 while (*p && !isspace(_UC(*p)))
113 p++;
114 if (*p)
115 *p++ = '\0';
116 }
117 }
118 arg->argv[arg->argc] = NULL;
119 return 1;
120 }
121
122 #ifndef APP_INIT
app_init(long mesgwin)123 int app_init(long mesgwin)
124 {
125 return 1;
126 }
127 #endif
128
ctx_set_verify_locations(SSL_CTX * ctx,const char * CAfile,const char * CApath,int noCAfile,int noCApath)129 int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
130 const char *CApath, int noCAfile, int noCApath)
131 {
132 if (CAfile == NULL && CApath == NULL) {
133 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
134 return 0;
135 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
136 return 0;
137
138 return 1;
139 }
140 return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
141 }
142
143 #ifndef OPENSSL_NO_CT
144
ctx_set_ctlog_list_file(SSL_CTX * ctx,const char * path)145 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
146 {
147 if (path == NULL)
148 return SSL_CTX_set_default_ctlog_list_file(ctx);
149
150 return SSL_CTX_set_ctlog_list_file(ctx, path);
151 }
152
153 #endif
154
155 static unsigned long nmflag = 0;
156 static char nmflag_set = 0;
157
set_nameopt(const char * arg)158 int set_nameopt(const char *arg)
159 {
160 int ret = set_name_ex(&nmflag, arg);
161
162 if (ret)
163 nmflag_set = 1;
164
165 return ret;
166 }
167
get_nameopt(void)168 unsigned long get_nameopt(void)
169 {
170 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
171 }
172
dump_cert_text(BIO * out,X509 * x)173 int dump_cert_text(BIO *out, X509 *x)
174 {
175 print_name(out, "subject=", X509_get_subject_name(x), get_nameopt());
176 BIO_puts(out, "\n");
177 print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt());
178 BIO_puts(out, "\n");
179
180 return 0;
181 }
182
ui_open(UI * ui)183 static int ui_open(UI *ui)
184 {
185 int (*opener)(UI *ui) = UI_method_get_opener(ui_fallback_method);
186
187 if (opener)
188 return opener(ui);
189 return 1;
190 }
191
ui_read(UI * ui,UI_STRING * uis)192 static int ui_read(UI *ui, UI_STRING *uis)
193 {
194 int (*reader)(UI *ui, UI_STRING *uis) = NULL;
195
196 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
197 && UI_get0_user_data(ui)) {
198 switch (UI_get_string_type(uis)) {
199 case UIT_PROMPT:
200 case UIT_VERIFY:
201 {
202 const char *password =
203 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
204 if (password && password[0] != '\0') {
205 UI_set_result(ui, uis, password);
206 return 1;
207 }
208 }
209 break;
210 case UIT_NONE:
211 case UIT_BOOLEAN:
212 case UIT_INFO:
213 case UIT_ERROR:
214 break;
215 }
216 }
217
218 reader = UI_method_get_reader(ui_fallback_method);
219 if (reader)
220 return reader(ui, uis);
221 return 1;
222 }
223
ui_write(UI * ui,UI_STRING * uis)224 static int ui_write(UI *ui, UI_STRING *uis)
225 {
226 int (*writer)(UI *ui, UI_STRING *uis) = NULL;
227
228 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
229 && UI_get0_user_data(ui)) {
230 switch (UI_get_string_type(uis)) {
231 case UIT_PROMPT:
232 case UIT_VERIFY:
233 {
234 const char *password =
235 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
236 if (password && password[0] != '\0')
237 return 1;
238 }
239 break;
240 case UIT_NONE:
241 case UIT_BOOLEAN:
242 case UIT_INFO:
243 case UIT_ERROR:
244 break;
245 }
246 }
247
248 writer = UI_method_get_writer(ui_fallback_method);
249 if (writer)
250 return writer(ui, uis);
251 return 1;
252 }
253
ui_close(UI * ui)254 static int ui_close(UI *ui)
255 {
256 int (*closer)(UI *ui) = UI_method_get_closer(ui_fallback_method);
257
258 if (closer)
259 return closer(ui);
260 return 1;
261 }
262
setup_ui_method(void)263 int setup_ui_method(void)
264 {
265 ui_fallback_method = UI_null();
266 #ifndef OPENSSL_NO_UI_CONSOLE
267 ui_fallback_method = UI_OpenSSL();
268 #endif
269 ui_method = UI_create_method("OpenSSL application user interface");
270 UI_method_set_opener(ui_method, ui_open);
271 UI_method_set_reader(ui_method, ui_read);
272 UI_method_set_writer(ui_method, ui_write);
273 UI_method_set_closer(ui_method, ui_close);
274 return 0;
275 }
276
destroy_ui_method(void)277 void destroy_ui_method(void)
278 {
279 if (ui_method) {
280 UI_destroy_method(ui_method);
281 ui_method = NULL;
282 }
283 }
284
get_ui_method(void)285 const UI_METHOD *get_ui_method(void)
286 {
287 return ui_method;
288 }
289
password_callback(char * buf,int bufsiz,int verify,PW_CB_DATA * cb_tmp)290 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
291 {
292 int res = 0;
293 UI *ui = NULL;
294 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
295
296 ui = UI_new_method(ui_method);
297 if (ui) {
298 int ok = 0;
299 char *buff = NULL;
300 int ui_flags = 0;
301 const char *prompt_info = NULL;
302 char *prompt;
303 int pw_min_len = PW_MIN_LENGTH;
304
305 if (cb_data != NULL && cb_data->prompt_info != NULL)
306 prompt_info = cb_data->prompt_info;
307 if (cb_data != NULL && cb_data->password != NULL
308 && *(const char*)cb_data->password != '\0')
309 pw_min_len = 1;
310 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
311 if (!prompt) {
312 BIO_printf(bio_err, "Out of memory\n");
313 UI_free(ui);
314 return 0;
315 }
316
317 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
318 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
319
320 /* We know that there is no previous user data to return to us */
321 (void)UI_add_user_data(ui, cb_data);
322
323 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
324 pw_min_len, bufsiz - 1);
325
326 if (ok >= 0 && verify) {
327 buff = app_malloc(bufsiz, "password buffer");
328 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
329 pw_min_len, bufsiz - 1, buf);
330 }
331 if (ok >= 0)
332 do {
333 ok = UI_process(ui);
334 } while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
335
336 OPENSSL_clear_free(buff, (unsigned int)bufsiz);
337
338 if (ok >= 0)
339 res = strlen(buf);
340 if (ok == -1) {
341 BIO_printf(bio_err, "User interface error\n");
342 ERR_print_errors(bio_err);
343 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
344 res = 0;
345 }
346 if (ok == -2) {
347 BIO_printf(bio_err, "aborted!\n");
348 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
349 res = 0;
350 }
351 UI_free(ui);
352 OPENSSL_free(prompt);
353 }
354 return res;
355 }
356
357 static char *app_get_pass(const char *arg, int keepbio);
358
app_passwd(const char * arg1,const char * arg2,char ** pass1,char ** pass2)359 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
360 {
361 int same;
362 if (arg2 == NULL || arg1 == NULL || strcmp(arg1, arg2))
363 same = 0;
364 else
365 same = 1;
366 if (arg1 != NULL) {
367 *pass1 = app_get_pass(arg1, same);
368 if (*pass1 == NULL)
369 return 0;
370 } else if (pass1 != NULL) {
371 *pass1 = NULL;
372 }
373 if (arg2 != NULL) {
374 *pass2 = app_get_pass(arg2, same ? 2 : 0);
375 if (*pass2 == NULL)
376 return 0;
377 } else if (pass2 != NULL) {
378 *pass2 = NULL;
379 }
380 return 1;
381 }
382
app_get_pass(const char * arg,int keepbio)383 static char *app_get_pass(const char *arg, int keepbio)
384 {
385 char *tmp, tpass[APP_PASS_LEN];
386 static BIO *pwdbio = NULL;
387 int i;
388
389 if (strncmp(arg, "pass:", 5) == 0)
390 return OPENSSL_strdup(arg + 5);
391 if (strncmp(arg, "env:", 4) == 0) {
392 tmp = getenv(arg + 4);
393 if (tmp == NULL) {
394 BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4);
395 return NULL;
396 }
397 return OPENSSL_strdup(tmp);
398 }
399 if (!keepbio || pwdbio == NULL) {
400 if (strncmp(arg, "file:", 5) == 0) {
401 pwdbio = BIO_new_file(arg + 5, "r");
402 if (pwdbio == NULL) {
403 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
404 return NULL;
405 }
406 #if !defined(_WIN32)
407 /*
408 * Under _WIN32, which covers even Win64 and CE, file
409 * descriptors referenced by BIO_s_fd are not inherited
410 * by child process and therefore below is not an option.
411 * It could have been an option if bss_fd.c was operating
412 * on real Windows descriptors, such as those obtained
413 * with CreateFile.
414 */
415 } else if (strncmp(arg, "fd:", 3) == 0) {
416 BIO *btmp;
417 i = atoi(arg + 3);
418 if (i >= 0)
419 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
420 if ((i < 0) || !pwdbio) {
421 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
422 return NULL;
423 }
424 /*
425 * Can't do BIO_gets on an fd BIO so add a buffering BIO
426 */
427 btmp = BIO_new(BIO_f_buffer());
428 pwdbio = BIO_push(btmp, pwdbio);
429 #endif
430 } else if (strcmp(arg, "stdin") == 0) {
431 pwdbio = dup_bio_in(FORMAT_TEXT);
432 if (!pwdbio) {
433 BIO_printf(bio_err, "Can't open BIO for stdin\n");
434 return NULL;
435 }
436 } else {
437 BIO_printf(bio_err, "Invalid password argument \"%s\"\n", arg);
438 return NULL;
439 }
440 }
441 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
442 if (keepbio != 1) {
443 BIO_free_all(pwdbio);
444 pwdbio = NULL;
445 }
446 if (i <= 0) {
447 BIO_printf(bio_err, "Error reading password from BIO\n");
448 return NULL;
449 }
450 tmp = strchr(tpass, '\n');
451 if (tmp != NULL)
452 *tmp = 0;
453 return OPENSSL_strdup(tpass);
454 }
455
app_load_config_bio(BIO * in,const char * filename)456 CONF *app_load_config_bio(BIO *in, const char *filename)
457 {
458 long errorline = -1;
459 CONF *conf;
460 int i;
461
462 conf = NCONF_new(NULL);
463 i = NCONF_load_bio(conf, in, &errorline);
464 if (i > 0)
465 return conf;
466
467 if (errorline <= 0) {
468 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
469 } else {
470 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
471 errorline);
472 }
473 if (filename != NULL)
474 BIO_printf(bio_err, "config file \"%s\"\n", filename);
475 else
476 BIO_printf(bio_err, "config input");
477
478 NCONF_free(conf);
479 return NULL;
480 }
481
app_load_config(const char * filename)482 CONF *app_load_config(const char *filename)
483 {
484 BIO *in;
485 CONF *conf;
486
487 in = bio_open_default(filename, 'r', FORMAT_TEXT);
488 if (in == NULL)
489 return NULL;
490
491 conf = app_load_config_bio(in, filename);
492 BIO_free(in);
493 return conf;
494 }
495
app_load_config_quiet(const char * filename)496 CONF *app_load_config_quiet(const char *filename)
497 {
498 BIO *in;
499 CONF *conf;
500
501 in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
502 if (in == NULL)
503 return NULL;
504
505 conf = app_load_config_bio(in, filename);
506 BIO_free(in);
507 return conf;
508 }
509
app_load_modules(const CONF * config)510 int app_load_modules(const CONF *config)
511 {
512 CONF *to_free = NULL;
513
514 if (config == NULL)
515 config = to_free = app_load_config_quiet(default_config_file);
516 if (config == NULL)
517 return 1;
518
519 if (CONF_modules_load(config, NULL, 0) <= 0) {
520 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
521 ERR_print_errors(bio_err);
522 NCONF_free(to_free);
523 return 0;
524 }
525 NCONF_free(to_free);
526 return 1;
527 }
528
add_oid_section(CONF * conf)529 int add_oid_section(CONF *conf)
530 {
531 char *p;
532 STACK_OF(CONF_VALUE) *sktmp;
533 CONF_VALUE *cnf;
534 int i;
535
536 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
537 ERR_clear_error();
538 return 1;
539 }
540 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
541 BIO_printf(bio_err, "problem loading oid section %s\n", p);
542 return 0;
543 }
544 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
545 cnf = sk_CONF_VALUE_value(sktmp, i);
546 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
547 BIO_printf(bio_err, "problem creating object %s=%s\n",
548 cnf->name, cnf->value);
549 return 0;
550 }
551 }
552 return 1;
553 }
554
load_pkcs12(BIO * in,const char * desc,pem_password_cb * pem_cb,void * cb_data,EVP_PKEY ** pkey,X509 ** cert,STACK_OF (X509)** ca)555 static int load_pkcs12(BIO *in, const char *desc,
556 pem_password_cb *pem_cb, void *cb_data,
557 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
558 {
559 const char *pass;
560 char tpass[PEM_BUFSIZE];
561 int len, ret = 0;
562 PKCS12 *p12;
563 p12 = d2i_PKCS12_bio(in, NULL);
564 if (p12 == NULL) {
565 BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
566 goto die;
567 }
568 /* See if an empty password will do */
569 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
570 pass = "";
571 } else {
572 if (!pem_cb)
573 pem_cb = (pem_password_cb *)password_callback;
574 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
575 if (len < 0) {
576 BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
577 goto die;
578 }
579 if (len < PEM_BUFSIZE)
580 tpass[len] = 0;
581 if (!PKCS12_verify_mac(p12, tpass, len)) {
582 BIO_printf(bio_err,
583 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
584 desc);
585 goto die;
586 }
587 pass = tpass;
588 }
589 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
590 die:
591 PKCS12_free(p12);
592 return ret;
593 }
594
595 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
load_cert_crl_http(const char * url,X509 ** pcert,X509_CRL ** pcrl)596 static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
597 {
598 char *host = NULL, *port = NULL, *path = NULL;
599 BIO *bio = NULL;
600 OCSP_REQ_CTX *rctx = NULL;
601 int use_ssl, rv = 0;
602 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
603 goto err;
604 if (use_ssl) {
605 BIO_puts(bio_err, "https not supported\n");
606 goto err;
607 }
608 bio = BIO_new_connect(host);
609 if (!bio || !BIO_set_conn_port(bio, port))
610 goto err;
611 rctx = OCSP_REQ_CTX_new(bio, 1024);
612 if (rctx == NULL)
613 goto err;
614 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
615 goto err;
616 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
617 goto err;
618 if (pcert) {
619 do {
620 rv = X509_http_nbio(rctx, pcert);
621 } while (rv == -1);
622 } else {
623 do {
624 rv = X509_CRL_http_nbio(rctx, pcrl);
625 } while (rv == -1);
626 }
627
628 err:
629 OPENSSL_free(host);
630 OPENSSL_free(path);
631 OPENSSL_free(port);
632 BIO_free_all(bio);
633 OCSP_REQ_CTX_free(rctx);
634 if (rv != 1) {
635 BIO_printf(bio_err, "Error loading %s from %s\n",
636 pcert ? "certificate" : "CRL", url);
637 ERR_print_errors(bio_err);
638 }
639 return rv;
640 }
641 #endif
642
load_cert(const char * file,int format,const char * cert_descrip)643 X509 *load_cert(const char *file, int format, const char *cert_descrip)
644 {
645 X509 *x = NULL;
646 BIO *cert;
647
648 if (format == FORMAT_HTTP) {
649 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
650 load_cert_crl_http(file, &x, NULL);
651 #endif
652 return x;
653 }
654
655 if (file == NULL) {
656 unbuffer(stdin);
657 cert = dup_bio_in(format);
658 } else {
659 cert = bio_open_default(file, 'r', format);
660 }
661 if (cert == NULL)
662 goto end;
663
664 if (format == FORMAT_ASN1) {
665 x = d2i_X509_bio(cert, NULL);
666 } else if (format == FORMAT_PEM) {
667 x = PEM_read_bio_X509_AUX(cert, NULL,
668 (pem_password_cb *)password_callback, NULL);
669 } else if (format == FORMAT_PKCS12) {
670 if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
671 goto end;
672 } else {
673 BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
674 goto end;
675 }
676 end:
677 if (x == NULL) {
678 BIO_printf(bio_err, "unable to load certificate\n");
679 ERR_print_errors(bio_err);
680 }
681 BIO_free(cert);
682 return x;
683 }
684
load_crl(const char * infile,int format)685 X509_CRL *load_crl(const char *infile, int format)
686 {
687 X509_CRL *x = NULL;
688 BIO *in = NULL;
689
690 if (format == FORMAT_HTTP) {
691 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
692 load_cert_crl_http(infile, NULL, &x);
693 #endif
694 return x;
695 }
696
697 in = bio_open_default(infile, 'r', format);
698 if (in == NULL)
699 goto end;
700 if (format == FORMAT_ASN1) {
701 x = d2i_X509_CRL_bio(in, NULL);
702 } else if (format == FORMAT_PEM) {
703 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
704 } else {
705 BIO_printf(bio_err, "bad input format specified for input crl\n");
706 goto end;
707 }
708 if (x == NULL) {
709 BIO_printf(bio_err, "unable to load CRL\n");
710 ERR_print_errors(bio_err);
711 goto end;
712 }
713
714 end:
715 BIO_free(in);
716 return x;
717 }
718
load_key(const char * file,int format,int maybe_stdin,const char * pass,ENGINE * e,const char * key_descrip)719 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
720 const char *pass, ENGINE *e, const char *key_descrip)
721 {
722 BIO *key = NULL;
723 EVP_PKEY *pkey = NULL;
724 PW_CB_DATA cb_data;
725
726 cb_data.password = pass;
727 cb_data.prompt_info = file;
728
729 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
730 BIO_printf(bio_err, "no keyfile specified\n");
731 goto end;
732 }
733 if (format == FORMAT_ENGINE) {
734 if (e == NULL) {
735 BIO_printf(bio_err, "no engine specified\n");
736 } else {
737 #ifndef OPENSSL_NO_ENGINE
738 if (ENGINE_init(e)) {
739 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
740 ENGINE_finish(e);
741 }
742 if (pkey == NULL) {
743 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
744 ERR_print_errors(bio_err);
745 }
746 #else
747 BIO_printf(bio_err, "engines not supported\n");
748 #endif
749 }
750 goto end;
751 }
752 if (file == NULL && maybe_stdin) {
753 unbuffer(stdin);
754 key = dup_bio_in(format);
755 } else {
756 key = bio_open_default(file, 'r', format);
757 }
758 if (key == NULL)
759 goto end;
760 if (format == FORMAT_ASN1) {
761 pkey = d2i_PrivateKey_bio(key, NULL);
762 } else if (format == FORMAT_PEM) {
763 pkey = PEM_read_bio_PrivateKey(key, NULL,
764 (pem_password_cb *)password_callback,
765 &cb_data);
766 } else if (format == FORMAT_PKCS12) {
767 if (!load_pkcs12(key, key_descrip,
768 (pem_password_cb *)password_callback, &cb_data,
769 &pkey, NULL, NULL))
770 goto end;
771 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
772 } else if (format == FORMAT_MSBLOB) {
773 pkey = b2i_PrivateKey_bio(key);
774 } else if (format == FORMAT_PVK) {
775 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
776 &cb_data);
777 #endif
778 } else {
779 BIO_printf(bio_err, "bad input format specified for key file\n");
780 goto end;
781 }
782 end:
783 BIO_free(key);
784 if (pkey == NULL) {
785 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
786 ERR_print_errors(bio_err);
787 }
788 return pkey;
789 }
790
load_pubkey(const char * file,int format,int maybe_stdin,const char * pass,ENGINE * e,const char * key_descrip)791 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
792 const char *pass, ENGINE *e, const char *key_descrip)
793 {
794 BIO *key = NULL;
795 EVP_PKEY *pkey = NULL;
796 PW_CB_DATA cb_data;
797
798 cb_data.password = pass;
799 cb_data.prompt_info = file;
800
801 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
802 BIO_printf(bio_err, "no keyfile specified\n");
803 goto end;
804 }
805 if (format == FORMAT_ENGINE) {
806 if (e == NULL) {
807 BIO_printf(bio_err, "no engine specified\n");
808 } else {
809 #ifndef OPENSSL_NO_ENGINE
810 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
811 if (pkey == NULL) {
812 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
813 ERR_print_errors(bio_err);
814 }
815 #else
816 BIO_printf(bio_err, "engines not supported\n");
817 #endif
818 }
819 goto end;
820 }
821 if (file == NULL && maybe_stdin) {
822 unbuffer(stdin);
823 key = dup_bio_in(format);
824 } else {
825 key = bio_open_default(file, 'r', format);
826 }
827 if (key == NULL)
828 goto end;
829 if (format == FORMAT_ASN1) {
830 pkey = d2i_PUBKEY_bio(key, NULL);
831 } else if (format == FORMAT_ASN1RSA) {
832 #ifndef OPENSSL_NO_RSA
833 RSA *rsa;
834 rsa = d2i_RSAPublicKey_bio(key, NULL);
835 if (rsa) {
836 pkey = EVP_PKEY_new();
837 if (pkey != NULL)
838 EVP_PKEY_set1_RSA(pkey, rsa);
839 RSA_free(rsa);
840 } else
841 #else
842 BIO_printf(bio_err, "RSA keys not supported\n");
843 #endif
844 pkey = NULL;
845 } else if (format == FORMAT_PEMRSA) {
846 #ifndef OPENSSL_NO_RSA
847 RSA *rsa;
848 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
849 (pem_password_cb *)password_callback,
850 &cb_data);
851 if (rsa != NULL) {
852 pkey = EVP_PKEY_new();
853 if (pkey != NULL)
854 EVP_PKEY_set1_RSA(pkey, rsa);
855 RSA_free(rsa);
856 } else
857 #else
858 BIO_printf(bio_err, "RSA keys not supported\n");
859 #endif
860 pkey = NULL;
861 } else if (format == FORMAT_PEM) {
862 pkey = PEM_read_bio_PUBKEY(key, NULL,
863 (pem_password_cb *)password_callback,
864 &cb_data);
865 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
866 } else if (format == FORMAT_MSBLOB) {
867 pkey = b2i_PublicKey_bio(key);
868 #endif
869 }
870 end:
871 BIO_free(key);
872 if (pkey == NULL)
873 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
874 return pkey;
875 }
876
load_certs_crls(const char * file,int format,const char * pass,const char * desc,STACK_OF (X509)** pcerts,STACK_OF (X509_CRL)** pcrls)877 static int load_certs_crls(const char *file, int format,
878 const char *pass, const char *desc,
879 STACK_OF(X509) **pcerts,
880 STACK_OF(X509_CRL) **pcrls)
881 {
882 int i;
883 BIO *bio;
884 STACK_OF(X509_INFO) *xis = NULL;
885 X509_INFO *xi;
886 PW_CB_DATA cb_data;
887 int rv = 0;
888
889 cb_data.password = pass;
890 cb_data.prompt_info = file;
891
892 if (format != FORMAT_PEM) {
893 BIO_printf(bio_err, "bad input format specified for %s\n", desc);
894 return 0;
895 }
896
897 bio = bio_open_default(file, 'r', FORMAT_PEM);
898 if (bio == NULL)
899 return 0;
900
901 xis = PEM_X509_INFO_read_bio(bio, NULL,
902 (pem_password_cb *)password_callback,
903 &cb_data);
904
905 BIO_free(bio);
906
907 if (pcerts != NULL && *pcerts == NULL) {
908 *pcerts = sk_X509_new_null();
909 if (*pcerts == NULL)
910 goto end;
911 }
912
913 if (pcrls != NULL && *pcrls == NULL) {
914 *pcrls = sk_X509_CRL_new_null();
915 if (*pcrls == NULL)
916 goto end;
917 }
918
919 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
920 xi = sk_X509_INFO_value(xis, i);
921 if (xi->x509 != NULL && pcerts != NULL) {
922 if (!sk_X509_push(*pcerts, xi->x509))
923 goto end;
924 xi->x509 = NULL;
925 }
926 if (xi->crl != NULL && pcrls != NULL) {
927 if (!sk_X509_CRL_push(*pcrls, xi->crl))
928 goto end;
929 xi->crl = NULL;
930 }
931 }
932
933 if (pcerts != NULL && sk_X509_num(*pcerts) > 0)
934 rv = 1;
935
936 if (pcrls != NULL && sk_X509_CRL_num(*pcrls) > 0)
937 rv = 1;
938
939 end:
940
941 sk_X509_INFO_pop_free(xis, X509_INFO_free);
942
943 if (rv == 0) {
944 if (pcerts != NULL) {
945 sk_X509_pop_free(*pcerts, X509_free);
946 *pcerts = NULL;
947 }
948 if (pcrls != NULL) {
949 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
950 *pcrls = NULL;
951 }
952 BIO_printf(bio_err, "unable to load %s\n",
953 pcerts ? "certificates" : "CRLs");
954 ERR_print_errors(bio_err);
955 }
956 return rv;
957 }
958
app_malloc(int sz,const char * what)959 void* app_malloc(int sz, const char *what)
960 {
961 void *vp = OPENSSL_malloc(sz);
962
963 if (vp == NULL) {
964 BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
965 opt_getprog(), sz, what);
966 ERR_print_errors(bio_err);
967 exit(1);
968 }
969 return vp;
970 }
971
972 /*
973 * Initialize or extend, if *certs != NULL, a certificate stack.
974 */
load_certs(const char * file,STACK_OF (X509)** certs,int format,const char * pass,const char * desc)975 int load_certs(const char *file, STACK_OF(X509) **certs, int format,
976 const char *pass, const char *desc)
977 {
978 return load_certs_crls(file, format, pass, desc, certs, NULL);
979 }
980
981 /*
982 * Initialize or extend, if *crls != NULL, a certificate stack.
983 */
load_crls(const char * file,STACK_OF (X509_CRL)** crls,int format,const char * pass,const char * desc)984 int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
985 const char *pass, const char *desc)
986 {
987 return load_certs_crls(file, format, pass, desc, NULL, crls);
988 }
989
990 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
991 /* Return error for unknown extensions */
992 #define X509V3_EXT_DEFAULT 0
993 /* Print error for unknown extensions */
994 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
995 /* ASN1 parse unknown extensions */
996 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
997 /* BIO_dump unknown extensions */
998 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
999
1000 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1001 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1002
set_cert_ex(unsigned long * flags,const char * arg)1003 int set_cert_ex(unsigned long *flags, const char *arg)
1004 {
1005 static const NAME_EX_TBL cert_tbl[] = {
1006 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1007 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1008 {"no_header", X509_FLAG_NO_HEADER, 0},
1009 {"no_version", X509_FLAG_NO_VERSION, 0},
1010 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1011 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1012 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1013 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1014 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1015 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1016 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1017 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1018 {"no_aux", X509_FLAG_NO_AUX, 0},
1019 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1020 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1021 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1022 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1023 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1024 {NULL, 0, 0}
1025 };
1026 return set_multi_opts(flags, arg, cert_tbl);
1027 }
1028
set_name_ex(unsigned long * flags,const char * arg)1029 int set_name_ex(unsigned long *flags, const char *arg)
1030 {
1031 static const NAME_EX_TBL ex_tbl[] = {
1032 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1033 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1034 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1035 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1036 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1037 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1038 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1039 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1040 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1041 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1042 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1043 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1044 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1045 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1046 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1047 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1048 {"dn_rev", XN_FLAG_DN_REV, 0},
1049 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1050 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1051 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1052 {"align", XN_FLAG_FN_ALIGN, 0},
1053 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1054 {"space_eq", XN_FLAG_SPC_EQ, 0},
1055 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1056 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1057 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1058 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1059 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1060 {NULL, 0, 0}
1061 };
1062 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1063 return 0;
1064 if (*flags != XN_FLAG_COMPAT
1065 && (*flags & XN_FLAG_SEP_MASK) == 0)
1066 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1067 return 1;
1068 }
1069
set_ext_copy(int * copy_type,const char * arg)1070 int set_ext_copy(int *copy_type, const char *arg)
1071 {
1072 if (strcasecmp(arg, "none") == 0)
1073 *copy_type = EXT_COPY_NONE;
1074 else if (strcasecmp(arg, "copy") == 0)
1075 *copy_type = EXT_COPY_ADD;
1076 else if (strcasecmp(arg, "copyall") == 0)
1077 *copy_type = EXT_COPY_ALL;
1078 else
1079 return 0;
1080 return 1;
1081 }
1082
copy_extensions(X509 * x,X509_REQ * req,int copy_type)1083 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1084 {
1085 STACK_OF(X509_EXTENSION) *exts = NULL;
1086 X509_EXTENSION *ext, *tmpext;
1087 ASN1_OBJECT *obj;
1088 int i, idx, ret = 0;
1089 if (!x || !req || (copy_type == EXT_COPY_NONE))
1090 return 1;
1091 exts = X509_REQ_get_extensions(req);
1092
1093 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1094 ext = sk_X509_EXTENSION_value(exts, i);
1095 obj = X509_EXTENSION_get_object(ext);
1096 idx = X509_get_ext_by_OBJ(x, obj, -1);
1097 /* Does extension exist? */
1098 if (idx != -1) {
1099 /* If normal copy don't override existing extension */
1100 if (copy_type == EXT_COPY_ADD)
1101 continue;
1102 /* Delete all extensions of same type */
1103 do {
1104 tmpext = X509_get_ext(x, idx);
1105 X509_delete_ext(x, idx);
1106 X509_EXTENSION_free(tmpext);
1107 idx = X509_get_ext_by_OBJ(x, obj, -1);
1108 } while (idx != -1);
1109 }
1110 if (!X509_add_ext(x, ext, -1))
1111 goto end;
1112 }
1113
1114 ret = 1;
1115
1116 end:
1117
1118 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1119
1120 return ret;
1121 }
1122
set_multi_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1123 static int set_multi_opts(unsigned long *flags, const char *arg,
1124 const NAME_EX_TBL * in_tbl)
1125 {
1126 STACK_OF(CONF_VALUE) *vals;
1127 CONF_VALUE *val;
1128 int i, ret = 1;
1129 if (!arg)
1130 return 0;
1131 vals = X509V3_parse_list(arg);
1132 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1133 val = sk_CONF_VALUE_value(vals, i);
1134 if (!set_table_opts(flags, val->name, in_tbl))
1135 ret = 0;
1136 }
1137 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1138 return ret;
1139 }
1140
set_table_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1141 static int set_table_opts(unsigned long *flags, const char *arg,
1142 const NAME_EX_TBL * in_tbl)
1143 {
1144 char c;
1145 const NAME_EX_TBL *ptbl;
1146 c = arg[0];
1147
1148 if (c == '-') {
1149 c = 0;
1150 arg++;
1151 } else if (c == '+') {
1152 c = 1;
1153 arg++;
1154 } else {
1155 c = 1;
1156 }
1157
1158 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1159 if (strcasecmp(arg, ptbl->name) == 0) {
1160 *flags &= ~ptbl->mask;
1161 if (c)
1162 *flags |= ptbl->flag;
1163 else
1164 *flags &= ~ptbl->flag;
1165 return 1;
1166 }
1167 }
1168 return 0;
1169 }
1170
print_name(BIO * out,const char * title,X509_NAME * nm,unsigned long lflags)1171 void print_name(BIO *out, const char *title, X509_NAME *nm,
1172 unsigned long lflags)
1173 {
1174 char *buf;
1175 char mline = 0;
1176 int indent = 0;
1177
1178 if (title)
1179 BIO_puts(out, title);
1180 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1181 mline = 1;
1182 indent = 4;
1183 }
1184 if (lflags == XN_FLAG_COMPAT) {
1185 buf = X509_NAME_oneline(nm, 0, 0);
1186 BIO_puts(out, buf);
1187 BIO_puts(out, "\n");
1188 OPENSSL_free(buf);
1189 } else {
1190 if (mline)
1191 BIO_puts(out, "\n");
1192 X509_NAME_print_ex(out, nm, indent, lflags);
1193 BIO_puts(out, "\n");
1194 }
1195 }
1196
print_bignum_var(BIO * out,const BIGNUM * in,const char * var,int len,unsigned char * buffer)1197 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1198 int len, unsigned char *buffer)
1199 {
1200 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1201 if (BN_is_zero(in)) {
1202 BIO_printf(out, "\n 0x00");
1203 } else {
1204 int i, l;
1205
1206 l = BN_bn2bin(in, buffer);
1207 for (i = 0; i < l; i++) {
1208 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1209 if (i < l - 1)
1210 BIO_printf(out, "0x%02X,", buffer[i]);
1211 else
1212 BIO_printf(out, "0x%02X", buffer[i]);
1213 }
1214 }
1215 BIO_printf(out, "\n };\n");
1216 }
1217
print_array(BIO * out,const char * title,int len,const unsigned char * d)1218 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1219 {
1220 int i;
1221
1222 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1223 for (i = 0; i < len; i++) {
1224 if ((i % 10) == 0)
1225 BIO_printf(out, "\n ");
1226 if (i < len - 1)
1227 BIO_printf(out, "0x%02X, ", d[i]);
1228 else
1229 BIO_printf(out, "0x%02X", d[i]);
1230 }
1231 BIO_printf(out, "\n};\n");
1232 }
1233
setup_verify(const char * CAfile,const char * CApath,int noCAfile,int noCApath)1234 X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, int noCApath)
1235 {
1236 X509_STORE *store = X509_STORE_new();
1237 X509_LOOKUP *lookup;
1238
1239 if (store == NULL)
1240 goto end;
1241
1242 if (CAfile != NULL || !noCAfile) {
1243 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1244 if (lookup == NULL)
1245 goto end;
1246 if (CAfile) {
1247 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1248 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1249 goto end;
1250 }
1251 } else {
1252 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1253 }
1254 }
1255
1256 if (CApath != NULL || !noCApath) {
1257 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1258 if (lookup == NULL)
1259 goto end;
1260 if (CApath) {
1261 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1262 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1263 goto end;
1264 }
1265 } else {
1266 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1267 }
1268 }
1269
1270 ERR_clear_error();
1271 return store;
1272 end:
1273 X509_STORE_free(store);
1274 return NULL;
1275 }
1276
1277 #ifndef OPENSSL_NO_ENGINE
1278 /* Try to load an engine in a shareable library */
try_load_engine(const char * engine)1279 static ENGINE *try_load_engine(const char *engine)
1280 {
1281 ENGINE *e = ENGINE_by_id("dynamic");
1282 if (e) {
1283 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1284 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1285 ENGINE_free(e);
1286 e = NULL;
1287 }
1288 }
1289 return e;
1290 }
1291 #endif
1292
setup_engine(const char * engine,int debug)1293 ENGINE *setup_engine(const char *engine, int debug)
1294 {
1295 ENGINE *e = NULL;
1296
1297 #ifndef OPENSSL_NO_ENGINE
1298 if (engine != NULL) {
1299 if (strcmp(engine, "auto") == 0) {
1300 BIO_printf(bio_err, "enabling auto ENGINE support\n");
1301 ENGINE_register_all_complete();
1302 return NULL;
1303 }
1304 if ((e = ENGINE_by_id(engine)) == NULL
1305 && (e = try_load_engine(engine)) == NULL) {
1306 BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
1307 ERR_print_errors(bio_err);
1308 return NULL;
1309 }
1310 if (debug) {
1311 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1312 }
1313 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1314 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1315 BIO_printf(bio_err, "can't use that engine\n");
1316 ERR_print_errors(bio_err);
1317 ENGINE_free(e);
1318 return NULL;
1319 }
1320
1321 BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1322 }
1323 #endif
1324 return e;
1325 }
1326
release_engine(ENGINE * e)1327 void release_engine(ENGINE *e)
1328 {
1329 #ifndef OPENSSL_NO_ENGINE
1330 if (e != NULL)
1331 /* Free our "structural" reference. */
1332 ENGINE_free(e);
1333 #endif
1334 }
1335
index_serial_hash(const OPENSSL_CSTRING * a)1336 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1337 {
1338 const char *n;
1339
1340 n = a[DB_serial];
1341 while (*n == '0')
1342 n++;
1343 return OPENSSL_LH_strhash(n);
1344 }
1345
index_serial_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1346 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1347 const OPENSSL_CSTRING *b)
1348 {
1349 const char *aa, *bb;
1350
1351 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1352 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1353 return strcmp(aa, bb);
1354 }
1355
index_name_qual(char ** a)1356 static int index_name_qual(char **a)
1357 {
1358 return (a[0][0] == 'V');
1359 }
1360
index_name_hash(const OPENSSL_CSTRING * a)1361 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1362 {
1363 return OPENSSL_LH_strhash(a[DB_name]);
1364 }
1365
index_name_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1366 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1367 {
1368 return strcmp(a[DB_name], b[DB_name]);
1369 }
1370
IMPLEMENT_LHASH_HASH_FN(index_serial,OPENSSL_CSTRING)1371 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1372 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1373 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1374 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1375 #undef BSIZE
1376 #define BSIZE 256
1377 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1378 {
1379 BIO *in = NULL;
1380 BIGNUM *ret = NULL;
1381 char buf[1024];
1382 ASN1_INTEGER *ai = NULL;
1383
1384 ai = ASN1_INTEGER_new();
1385 if (ai == NULL)
1386 goto err;
1387
1388 in = BIO_new_file(serialfile, "r");
1389 if (in == NULL) {
1390 if (!create) {
1391 perror(serialfile);
1392 goto err;
1393 }
1394 ERR_clear_error();
1395 ret = BN_new();
1396 if (ret == NULL || !rand_serial(ret, ai))
1397 BIO_printf(bio_err, "Out of memory\n");
1398 } else {
1399 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1400 BIO_printf(bio_err, "unable to load number from %s\n",
1401 serialfile);
1402 goto err;
1403 }
1404 ret = ASN1_INTEGER_to_BN(ai, NULL);
1405 if (ret == NULL) {
1406 BIO_printf(bio_err,
1407 "error converting number from bin to BIGNUM\n");
1408 goto err;
1409 }
1410 }
1411
1412 if (ret && retai) {
1413 *retai = ai;
1414 ai = NULL;
1415 }
1416 err:
1417 BIO_free(in);
1418 ASN1_INTEGER_free(ai);
1419 return ret;
1420 }
1421
save_serial(const char * serialfile,const char * suffix,const BIGNUM * serial,ASN1_INTEGER ** retai)1422 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1423 ASN1_INTEGER **retai)
1424 {
1425 char buf[1][BSIZE];
1426 BIO *out = NULL;
1427 int ret = 0;
1428 ASN1_INTEGER *ai = NULL;
1429 int j;
1430
1431 if (suffix == NULL)
1432 j = strlen(serialfile);
1433 else
1434 j = strlen(serialfile) + strlen(suffix) + 1;
1435 if (j >= BSIZE) {
1436 BIO_printf(bio_err, "file name too long\n");
1437 goto err;
1438 }
1439
1440 if (suffix == NULL)
1441 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1442 else {
1443 #ifndef OPENSSL_SYS_VMS
1444 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1445 #else
1446 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1447 #endif
1448 }
1449 out = BIO_new_file(buf[0], "w");
1450 if (out == NULL) {
1451 ERR_print_errors(bio_err);
1452 goto err;
1453 }
1454
1455 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1456 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1457 goto err;
1458 }
1459 i2a_ASN1_INTEGER(out, ai);
1460 BIO_puts(out, "\n");
1461 ret = 1;
1462 if (retai) {
1463 *retai = ai;
1464 ai = NULL;
1465 }
1466 err:
1467 BIO_free_all(out);
1468 ASN1_INTEGER_free(ai);
1469 return ret;
1470 }
1471
rotate_serial(const char * serialfile,const char * new_suffix,const char * old_suffix)1472 int rotate_serial(const char *serialfile, const char *new_suffix,
1473 const char *old_suffix)
1474 {
1475 char buf[2][BSIZE];
1476 int i, j;
1477
1478 i = strlen(serialfile) + strlen(old_suffix);
1479 j = strlen(serialfile) + strlen(new_suffix);
1480 if (i > j)
1481 j = i;
1482 if (j + 1 >= BSIZE) {
1483 BIO_printf(bio_err, "file name too long\n");
1484 goto err;
1485 }
1486 #ifndef OPENSSL_SYS_VMS
1487 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1488 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1489 #else
1490 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1491 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1492 #endif
1493 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1494 #ifdef ENOTDIR
1495 && errno != ENOTDIR
1496 #endif
1497 ) {
1498 BIO_printf(bio_err,
1499 "unable to rename %s to %s\n", serialfile, buf[1]);
1500 perror("reason");
1501 goto err;
1502 }
1503 if (rename(buf[0], serialfile) < 0) {
1504 BIO_printf(bio_err,
1505 "unable to rename %s to %s\n", buf[0], serialfile);
1506 perror("reason");
1507 rename(buf[1], serialfile);
1508 goto err;
1509 }
1510 return 1;
1511 err:
1512 return 0;
1513 }
1514
rand_serial(BIGNUM * b,ASN1_INTEGER * ai)1515 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1516 {
1517 BIGNUM *btmp;
1518 int ret = 0;
1519
1520 btmp = b == NULL ? BN_new() : b;
1521 if (btmp == NULL)
1522 return 0;
1523
1524 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1525 goto error;
1526 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1527 goto error;
1528
1529 ret = 1;
1530
1531 error:
1532
1533 if (btmp != b)
1534 BN_free(btmp);
1535
1536 return ret;
1537 }
1538
load_index(const char * dbfile,DB_ATTR * db_attr)1539 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1540 {
1541 CA_DB *retdb = NULL;
1542 TXT_DB *tmpdb = NULL;
1543 BIO *in;
1544 CONF *dbattr_conf = NULL;
1545 char buf[BSIZE];
1546 #ifndef OPENSSL_NO_POSIX_IO
1547 FILE *dbfp;
1548 struct stat dbst;
1549 #endif
1550
1551 in = BIO_new_file(dbfile, "r");
1552 if (in == NULL) {
1553 ERR_print_errors(bio_err);
1554 goto err;
1555 }
1556
1557 #ifndef OPENSSL_NO_POSIX_IO
1558 BIO_get_fp(in, &dbfp);
1559 if (fstat(fileno(dbfp), &dbst) == -1) {
1560 SYSerr(SYS_F_FSTAT, errno);
1561 ERR_add_error_data(3, "fstat('", dbfile, "')");
1562 ERR_print_errors(bio_err);
1563 goto err;
1564 }
1565 #endif
1566
1567 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1568 goto err;
1569
1570 #ifndef OPENSSL_SYS_VMS
1571 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1572 #else
1573 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1574 #endif
1575 dbattr_conf = app_load_config_quiet(buf);
1576
1577 retdb = app_malloc(sizeof(*retdb), "new DB");
1578 retdb->db = tmpdb;
1579 tmpdb = NULL;
1580 if (db_attr)
1581 retdb->attributes = *db_attr;
1582 else {
1583 retdb->attributes.unique_subject = 1;
1584 }
1585
1586 if (dbattr_conf) {
1587 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1588 if (p) {
1589 retdb->attributes.unique_subject = parse_yesno(p, 1);
1590 }
1591 }
1592
1593 retdb->dbfname = OPENSSL_strdup(dbfile);
1594 #ifndef OPENSSL_NO_POSIX_IO
1595 retdb->dbst = dbst;
1596 #endif
1597
1598 err:
1599 NCONF_free(dbattr_conf);
1600 TXT_DB_free(tmpdb);
1601 BIO_free_all(in);
1602 return retdb;
1603 }
1604
1605 /*
1606 * Returns > 0 on success, <= 0 on error
1607 */
index_index(CA_DB * db)1608 int index_index(CA_DB *db)
1609 {
1610 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1611 LHASH_HASH_FN(index_serial),
1612 LHASH_COMP_FN(index_serial))) {
1613 BIO_printf(bio_err,
1614 "error creating serial number index:(%ld,%ld,%ld)\n",
1615 db->db->error, db->db->arg1, db->db->arg2);
1616 return 0;
1617 }
1618
1619 if (db->attributes.unique_subject
1620 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1621 LHASH_HASH_FN(index_name),
1622 LHASH_COMP_FN(index_name))) {
1623 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1624 db->db->error, db->db->arg1, db->db->arg2);
1625 return 0;
1626 }
1627 return 1;
1628 }
1629
save_index(const char * dbfile,const char * suffix,CA_DB * db)1630 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1631 {
1632 char buf[3][BSIZE];
1633 BIO *out;
1634 int j;
1635
1636 j = strlen(dbfile) + strlen(suffix);
1637 if (j + 6 >= BSIZE) {
1638 BIO_printf(bio_err, "file name too long\n");
1639 goto err;
1640 }
1641 #ifndef OPENSSL_SYS_VMS
1642 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1643 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1644 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1645 #else
1646 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1647 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1648 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1649 #endif
1650 out = BIO_new_file(buf[0], "w");
1651 if (out == NULL) {
1652 perror(dbfile);
1653 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1654 goto err;
1655 }
1656 j = TXT_DB_write(out, db->db);
1657 BIO_free(out);
1658 if (j <= 0)
1659 goto err;
1660
1661 out = BIO_new_file(buf[1], "w");
1662 if (out == NULL) {
1663 perror(buf[2]);
1664 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1665 goto err;
1666 }
1667 BIO_printf(out, "unique_subject = %s\n",
1668 db->attributes.unique_subject ? "yes" : "no");
1669 BIO_free(out);
1670
1671 return 1;
1672 err:
1673 return 0;
1674 }
1675
rotate_index(const char * dbfile,const char * new_suffix,const char * old_suffix)1676 int rotate_index(const char *dbfile, const char *new_suffix,
1677 const char *old_suffix)
1678 {
1679 char buf[5][BSIZE];
1680 int i, j;
1681
1682 i = strlen(dbfile) + strlen(old_suffix);
1683 j = strlen(dbfile) + strlen(new_suffix);
1684 if (i > j)
1685 j = i;
1686 if (j + 6 >= BSIZE) {
1687 BIO_printf(bio_err, "file name too long\n");
1688 goto err;
1689 }
1690 #ifndef OPENSSL_SYS_VMS
1691 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1692 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1693 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1694 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1695 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1696 #else
1697 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1698 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1699 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1700 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1701 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1702 #endif
1703 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1704 #ifdef ENOTDIR
1705 && errno != ENOTDIR
1706 #endif
1707 ) {
1708 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1709 perror("reason");
1710 goto err;
1711 }
1712 if (rename(buf[0], dbfile) < 0) {
1713 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1714 perror("reason");
1715 rename(buf[1], dbfile);
1716 goto err;
1717 }
1718 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1719 #ifdef ENOTDIR
1720 && errno != ENOTDIR
1721 #endif
1722 ) {
1723 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1724 perror("reason");
1725 rename(dbfile, buf[0]);
1726 rename(buf[1], dbfile);
1727 goto err;
1728 }
1729 if (rename(buf[2], buf[4]) < 0) {
1730 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1731 perror("reason");
1732 rename(buf[3], buf[4]);
1733 rename(dbfile, buf[0]);
1734 rename(buf[1], dbfile);
1735 goto err;
1736 }
1737 return 1;
1738 err:
1739 return 0;
1740 }
1741
free_index(CA_DB * db)1742 void free_index(CA_DB *db)
1743 {
1744 if (db) {
1745 TXT_DB_free(db->db);
1746 OPENSSL_free(db->dbfname);
1747 OPENSSL_free(db);
1748 }
1749 }
1750
parse_yesno(const char * str,int def)1751 int parse_yesno(const char *str, int def)
1752 {
1753 if (str) {
1754 switch (*str) {
1755 case 'f': /* false */
1756 case 'F': /* FALSE */
1757 case 'n': /* no */
1758 case 'N': /* NO */
1759 case '0': /* 0 */
1760 return 0;
1761 case 't': /* true */
1762 case 'T': /* TRUE */
1763 case 'y': /* yes */
1764 case 'Y': /* YES */
1765 case '1': /* 1 */
1766 return 1;
1767 }
1768 }
1769 return def;
1770 }
1771
1772 /*
1773 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1774 * where characters may be escaped by \
1775 */
parse_name(const char * cp,long chtype,int canmulti)1776 X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
1777 {
1778 int nextismulti = 0;
1779 char *work;
1780 X509_NAME *n;
1781
1782 if (*cp++ != '/') {
1783 BIO_printf(bio_err,
1784 "name is expected to be in the format "
1785 "/type0=value0/type1=value1/type2=... where characters may "
1786 "be escaped by \\. This name is not in that format: '%s'\n",
1787 --cp);
1788 return NULL;
1789 }
1790
1791 n = X509_NAME_new();
1792 if (n == NULL)
1793 return NULL;
1794 work = OPENSSL_strdup(cp);
1795 if (work == NULL)
1796 goto err;
1797
1798 while (*cp) {
1799 char *bp = work;
1800 char *typestr = bp;
1801 unsigned char *valstr;
1802 int nid;
1803 int ismulti = nextismulti;
1804 nextismulti = 0;
1805
1806 /* Collect the type */
1807 while (*cp && *cp != '=')
1808 *bp++ = *cp++;
1809 if (*cp == '\0') {
1810 BIO_printf(bio_err,
1811 "%s: Hit end of string before finding the equals.\n",
1812 opt_getprog());
1813 goto err;
1814 }
1815 *bp++ = '\0';
1816 ++cp;
1817
1818 /* Collect the value. */
1819 valstr = (unsigned char *)bp;
1820 for (; *cp && *cp != '/'; *bp++ = *cp++) {
1821 if (canmulti && *cp == '+') {
1822 nextismulti = 1;
1823 break;
1824 }
1825 if (*cp == '\\' && *++cp == '\0') {
1826 BIO_printf(bio_err,
1827 "%s: escape character at end of string\n",
1828 opt_getprog());
1829 goto err;
1830 }
1831 }
1832 *bp++ = '\0';
1833
1834 /* If not at EOS (must be + or /), move forward. */
1835 if (*cp)
1836 ++cp;
1837
1838 /* Parse */
1839 nid = OBJ_txt2nid(typestr);
1840 if (nid == NID_undef) {
1841 BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n",
1842 opt_getprog(), typestr);
1843 continue;
1844 }
1845 if (*valstr == '\0') {
1846 BIO_printf(bio_err,
1847 "%s: No value provided for Subject Attribute %s, skipped\n",
1848 opt_getprog(), typestr);
1849 continue;
1850 }
1851 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1852 valstr, strlen((char *)valstr),
1853 -1, ismulti ? -1 : 0))
1854 goto err;
1855 }
1856
1857 OPENSSL_free(work);
1858 return n;
1859
1860 err:
1861 X509_NAME_free(n);
1862 OPENSSL_free(work);
1863 return NULL;
1864 }
1865
1866 /*
1867 * Read whole contents of a BIO into an allocated memory buffer and return
1868 * it.
1869 */
1870
bio_to_mem(unsigned char ** out,int maxlen,BIO * in)1871 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1872 {
1873 BIO *mem;
1874 int len, ret;
1875 unsigned char tbuf[1024];
1876
1877 mem = BIO_new(BIO_s_mem());
1878 if (mem == NULL)
1879 return -1;
1880 for (;;) {
1881 if ((maxlen != -1) && maxlen < 1024)
1882 len = maxlen;
1883 else
1884 len = 1024;
1885 len = BIO_read(in, tbuf, len);
1886 if (len < 0) {
1887 BIO_free(mem);
1888 return -1;
1889 }
1890 if (len == 0)
1891 break;
1892 if (BIO_write(mem, tbuf, len) != len) {
1893 BIO_free(mem);
1894 return -1;
1895 }
1896 maxlen -= len;
1897
1898 if (maxlen == 0)
1899 break;
1900 }
1901 ret = BIO_get_mem_data(mem, (char **)out);
1902 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1903 BIO_free(mem);
1904 return ret;
1905 }
1906
pkey_ctrl_string(EVP_PKEY_CTX * ctx,const char * value)1907 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1908 {
1909 int rv;
1910 char *stmp, *vtmp = NULL;
1911 stmp = OPENSSL_strdup(value);
1912 if (!stmp)
1913 return -1;
1914 vtmp = strchr(stmp, ':');
1915 if (vtmp) {
1916 *vtmp = 0;
1917 vtmp++;
1918 }
1919 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1920 OPENSSL_free(stmp);
1921 return rv;
1922 }
1923
nodes_print(const char * name,STACK_OF (X509_POLICY_NODE)* nodes)1924 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1925 {
1926 X509_POLICY_NODE *node;
1927 int i;
1928
1929 BIO_printf(bio_err, "%s Policies:", name);
1930 if (nodes) {
1931 BIO_puts(bio_err, "\n");
1932 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1933 node = sk_X509_POLICY_NODE_value(nodes, i);
1934 X509_POLICY_NODE_print(bio_err, node, 2);
1935 }
1936 } else {
1937 BIO_puts(bio_err, " <empty>\n");
1938 }
1939 }
1940
policies_print(X509_STORE_CTX * ctx)1941 void policies_print(X509_STORE_CTX *ctx)
1942 {
1943 X509_POLICY_TREE *tree;
1944 int explicit_policy;
1945 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1946 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1947
1948 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1949 explicit_policy ? "True" : "False");
1950
1951 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1952 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1953 }
1954
1955 /*-
1956 * next_protos_parse parses a comma separated list of strings into a string
1957 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1958 * outlen: (output) set to the length of the resulting buffer on success.
1959 * err: (maybe NULL) on failure, an error message line is written to this BIO.
1960 * in: a NUL terminated string like "abc,def,ghi"
1961 *
1962 * returns: a malloc'd buffer or NULL on failure.
1963 */
next_protos_parse(size_t * outlen,const char * in)1964 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1965 {
1966 size_t len;
1967 unsigned char *out;
1968 size_t i, start = 0;
1969 size_t skipped = 0;
1970
1971 len = strlen(in);
1972 if (len == 0 || len >= 65535)
1973 return NULL;
1974
1975 out = app_malloc(len + 1, "NPN buffer");
1976 for (i = 0; i <= len; ++i) {
1977 if (i == len || in[i] == ',') {
1978 /*
1979 * Zero-length ALPN elements are invalid on the wire, we could be
1980 * strict and reject the entire string, but just ignoring extra
1981 * commas seems harmless and more friendly.
1982 *
1983 * Every comma we skip in this way puts the input buffer another
1984 * byte ahead of the output buffer, so all stores into the output
1985 * buffer need to be decremented by the number commas skipped.
1986 */
1987 if (i == start) {
1988 ++start;
1989 ++skipped;
1990 continue;
1991 }
1992 if (i - start > 255) {
1993 OPENSSL_free(out);
1994 return NULL;
1995 }
1996 out[start-skipped] = (unsigned char)(i - start);
1997 start = i + 1;
1998 } else {
1999 out[i + 1 - skipped] = in[i];
2000 }
2001 }
2002
2003 if (len <= skipped) {
2004 OPENSSL_free(out);
2005 return NULL;
2006 }
2007
2008 *outlen = len + 1 - skipped;
2009 return out;
2010 }
2011
print_cert_checks(BIO * bio,X509 * x,const char * checkhost,const char * checkemail,const char * checkip)2012 void print_cert_checks(BIO *bio, X509 *x,
2013 const char *checkhost,
2014 const char *checkemail, const char *checkip)
2015 {
2016 if (x == NULL)
2017 return;
2018 if (checkhost) {
2019 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2020 checkhost,
2021 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2022 ? "" : " NOT");
2023 }
2024
2025 if (checkemail) {
2026 BIO_printf(bio, "Email %s does%s match certificate\n",
2027 checkemail, X509_check_email(x, checkemail, 0, 0)
2028 ? "" : " NOT");
2029 }
2030
2031 if (checkip) {
2032 BIO_printf(bio, "IP %s does%s match certificate\n",
2033 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2034 }
2035 }
2036
2037 /* Get first http URL from a DIST_POINT structure */
2038
get_dp_url(DIST_POINT * dp)2039 static const char *get_dp_url(DIST_POINT *dp)
2040 {
2041 GENERAL_NAMES *gens;
2042 GENERAL_NAME *gen;
2043 int i, gtype;
2044 ASN1_STRING *uri;
2045 if (!dp->distpoint || dp->distpoint->type != 0)
2046 return NULL;
2047 gens = dp->distpoint->name.fullname;
2048 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2049 gen = sk_GENERAL_NAME_value(gens, i);
2050 uri = GENERAL_NAME_get0_value(gen, >ype);
2051 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2052 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2053 if (strncmp(uptr, "http://", 7) == 0)
2054 return uptr;
2055 }
2056 }
2057 return NULL;
2058 }
2059
2060 /*
2061 * Look through a CRLDP structure and attempt to find an http URL to
2062 * downloads a CRL from.
2063 */
2064
load_crl_crldp(STACK_OF (DIST_POINT)* crldp)2065 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2066 {
2067 int i;
2068 const char *urlptr = NULL;
2069 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2070 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2071 urlptr = get_dp_url(dp);
2072 if (urlptr)
2073 return load_crl(urlptr, FORMAT_HTTP);
2074 }
2075 return NULL;
2076 }
2077
2078 /*
2079 * Example of downloading CRLs from CRLDP: not usable for real world as it
2080 * always downloads, doesn't support non-blocking I/O and doesn't cache
2081 * anything.
2082 */
2083
STACK_OF(X509_CRL)2084 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2085 {
2086 X509 *x;
2087 STACK_OF(X509_CRL) *crls = NULL;
2088 X509_CRL *crl;
2089 STACK_OF(DIST_POINT) *crldp;
2090
2091 crls = sk_X509_CRL_new_null();
2092 if (!crls)
2093 return NULL;
2094 x = X509_STORE_CTX_get_current_cert(ctx);
2095 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2096 crl = load_crl_crldp(crldp);
2097 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2098 if (!crl) {
2099 sk_X509_CRL_free(crls);
2100 return NULL;
2101 }
2102 sk_X509_CRL_push(crls, crl);
2103 /* Try to download delta CRL */
2104 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2105 crl = load_crl_crldp(crldp);
2106 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2107 if (crl)
2108 sk_X509_CRL_push(crls, crl);
2109 return crls;
2110 }
2111
store_setup_crl_download(X509_STORE * st)2112 void store_setup_crl_download(X509_STORE *st)
2113 {
2114 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2115 }
2116
2117 /*
2118 * Platform-specific sections
2119 */
2120 #if defined(_WIN32)
2121 # ifdef fileno
2122 # undef fileno
2123 # define fileno(a) (int)_fileno(a)
2124 # endif
2125
2126 # include <windows.h>
2127 # include <tchar.h>
2128
WIN32_rename(const char * from,const char * to)2129 static int WIN32_rename(const char *from, const char *to)
2130 {
2131 TCHAR *tfrom = NULL, *tto;
2132 DWORD err;
2133 int ret = 0;
2134
2135 if (sizeof(TCHAR) == 1) {
2136 tfrom = (TCHAR *)from;
2137 tto = (TCHAR *)to;
2138 } else { /* UNICODE path */
2139
2140 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2141 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2142 if (tfrom == NULL)
2143 goto err;
2144 tto = tfrom + flen;
2145 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2146 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2147 # endif
2148 for (i = 0; i < flen; i++)
2149 tfrom[i] = (TCHAR)from[i];
2150 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2151 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2152 # endif
2153 for (i = 0; i < tlen; i++)
2154 tto[i] = (TCHAR)to[i];
2155 }
2156
2157 if (MoveFile(tfrom, tto))
2158 goto ok;
2159 err = GetLastError();
2160 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2161 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2162 goto ok;
2163 err = GetLastError();
2164 }
2165 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2166 errno = ENOENT;
2167 else if (err == ERROR_ACCESS_DENIED)
2168 errno = EACCES;
2169 else
2170 errno = EINVAL; /* we could map more codes... */
2171 err:
2172 ret = -1;
2173 ok:
2174 if (tfrom != NULL && tfrom != (TCHAR *)from)
2175 free(tfrom);
2176 return ret;
2177 }
2178 #endif
2179
2180 /* app_tminterval section */
2181 #if defined(_WIN32)
app_tminterval(int stop,int usertime)2182 double app_tminterval(int stop, int usertime)
2183 {
2184 FILETIME now;
2185 double ret = 0;
2186 static ULARGE_INTEGER tmstart;
2187 static int warning = 1;
2188 # ifdef _WIN32_WINNT
2189 static HANDLE proc = NULL;
2190
2191 if (proc == NULL) {
2192 if (check_winnt())
2193 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2194 GetCurrentProcessId());
2195 if (proc == NULL)
2196 proc = (HANDLE) - 1;
2197 }
2198
2199 if (usertime && proc != (HANDLE) - 1) {
2200 FILETIME junk;
2201 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2202 } else
2203 # endif
2204 {
2205 SYSTEMTIME systime;
2206
2207 if (usertime && warning) {
2208 BIO_printf(bio_err, "To get meaningful results, run "
2209 "this program on idle system.\n");
2210 warning = 0;
2211 }
2212 GetSystemTime(&systime);
2213 SystemTimeToFileTime(&systime, &now);
2214 }
2215
2216 if (stop == TM_START) {
2217 tmstart.u.LowPart = now.dwLowDateTime;
2218 tmstart.u.HighPart = now.dwHighDateTime;
2219 } else {
2220 ULARGE_INTEGER tmstop;
2221
2222 tmstop.u.LowPart = now.dwLowDateTime;
2223 tmstop.u.HighPart = now.dwHighDateTime;
2224
2225 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2226 }
2227
2228 return ret;
2229 }
2230 #elif defined(OPENSSL_SYS_VXWORKS)
2231 # include <time.h>
2232
app_tminterval(int stop,int usertime)2233 double app_tminterval(int stop, int usertime)
2234 {
2235 double ret = 0;
2236 # ifdef CLOCK_REALTIME
2237 static struct timespec tmstart;
2238 struct timespec now;
2239 # else
2240 static unsigned long tmstart;
2241 unsigned long now;
2242 # endif
2243 static int warning = 1;
2244
2245 if (usertime && warning) {
2246 BIO_printf(bio_err, "To get meaningful results, run "
2247 "this program on idle system.\n");
2248 warning = 0;
2249 }
2250 # ifdef CLOCK_REALTIME
2251 clock_gettime(CLOCK_REALTIME, &now);
2252 if (stop == TM_START)
2253 tmstart = now;
2254 else
2255 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2256 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2257 # else
2258 now = tickGet();
2259 if (stop == TM_START)
2260 tmstart = now;
2261 else
2262 ret = (now - tmstart) / (double)sysClkRateGet();
2263 # endif
2264 return ret;
2265 }
2266
2267 #elif defined(OPENSSL_SYSTEM_VMS)
2268 # include <time.h>
2269 # include <times.h>
2270
app_tminterval(int stop,int usertime)2271 double app_tminterval(int stop, int usertime)
2272 {
2273 static clock_t tmstart;
2274 double ret = 0;
2275 clock_t now;
2276 # ifdef __TMS
2277 struct tms rus;
2278
2279 now = times(&rus);
2280 if (usertime)
2281 now = rus.tms_utime;
2282 # else
2283 if (usertime)
2284 now = clock(); /* sum of user and kernel times */
2285 else {
2286 struct timeval tv;
2287 gettimeofday(&tv, NULL);
2288 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2289 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2290 );
2291 }
2292 # endif
2293 if (stop == TM_START)
2294 tmstart = now;
2295 else
2296 ret = (now - tmstart) / (double)(CLK_TCK);
2297
2298 return ret;
2299 }
2300
2301 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2302 # include <sys/times.h>
2303
app_tminterval(int stop,int usertime)2304 double app_tminterval(int stop, int usertime)
2305 {
2306 double ret = 0;
2307 struct tms rus;
2308 clock_t now = times(&rus);
2309 static clock_t tmstart;
2310
2311 if (usertime)
2312 now = rus.tms_utime;
2313
2314 if (stop == TM_START) {
2315 tmstart = now;
2316 } else {
2317 long int tck = sysconf(_SC_CLK_TCK);
2318 ret = (now - tmstart) / (double)tck;
2319 }
2320
2321 return ret;
2322 }
2323
2324 #else
2325 # include <sys/time.h>
2326 # include <sys/resource.h>
2327
app_tminterval(int stop,int usertime)2328 double app_tminterval(int stop, int usertime)
2329 {
2330 double ret = 0;
2331 struct rusage rus;
2332 struct timeval now;
2333 static struct timeval tmstart;
2334
2335 if (usertime)
2336 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2337 else
2338 gettimeofday(&now, NULL);
2339
2340 if (stop == TM_START)
2341 tmstart = now;
2342 else
2343 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2344 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2345
2346 return ret;
2347 }
2348 #endif
2349
app_access(const char * name,int flag)2350 int app_access(const char* name, int flag)
2351 {
2352 #ifdef _WIN32
2353 return _access(name, flag);
2354 #else
2355 return access(name, flag);
2356 #endif
2357 }
2358
2359 /* app_isdir section */
2360 #ifdef _WIN32
app_isdir(const char * name)2361 int app_isdir(const char *name)
2362 {
2363 DWORD attr;
2364 # if defined(UNICODE) || defined(_UNICODE)
2365 size_t i, len_0 = strlen(name) + 1;
2366 WCHAR tempname[MAX_PATH];
2367
2368 if (len_0 > MAX_PATH)
2369 return -1;
2370
2371 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2372 if (!MultiByteToWideChar(CP_ACP, 0, name, len_0, tempname, MAX_PATH))
2373 # endif
2374 for (i = 0; i < len_0; i++)
2375 tempname[i] = (WCHAR)name[i];
2376
2377 attr = GetFileAttributes(tempname);
2378 # else
2379 attr = GetFileAttributes(name);
2380 # endif
2381 if (attr == INVALID_FILE_ATTRIBUTES)
2382 return -1;
2383 return ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0);
2384 }
2385 #else
2386 # include <sys/stat.h>
2387 # ifndef S_ISDIR
2388 # if defined(_S_IFMT) && defined(_S_IFDIR)
2389 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
2390 # else
2391 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
2392 # endif
2393 # endif
2394
app_isdir(const char * name)2395 int app_isdir(const char *name)
2396 {
2397 # if defined(S_ISDIR)
2398 struct stat st;
2399
2400 if (stat(name, &st) == 0)
2401 return S_ISDIR(st.st_mode);
2402 else
2403 return -1;
2404 # else
2405 return -1;
2406 # endif
2407 }
2408 #endif
2409
2410 /* raw_read|write section */
2411 #if defined(__VMS)
2412 # include "vms_term_sock.h"
2413 static int stdin_sock = -1;
2414
close_stdin_sock(void)2415 static void close_stdin_sock(void)
2416 {
2417 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2418 }
2419
fileno_stdin(void)2420 int fileno_stdin(void)
2421 {
2422 if (stdin_sock == -1) {
2423 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2424 atexit(close_stdin_sock);
2425 }
2426
2427 return stdin_sock;
2428 }
2429 #else
fileno_stdin(void)2430 int fileno_stdin(void)
2431 {
2432 return fileno(stdin);
2433 }
2434 #endif
2435
fileno_stdout(void)2436 int fileno_stdout(void)
2437 {
2438 return fileno(stdout);
2439 }
2440
2441 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
raw_read_stdin(void * buf,int siz)2442 int raw_read_stdin(void *buf, int siz)
2443 {
2444 DWORD n;
2445 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2446 return n;
2447 else
2448 return -1;
2449 }
2450 #elif defined(__VMS)
2451 # include <sys/socket.h>
2452
raw_read_stdin(void * buf,int siz)2453 int raw_read_stdin(void *buf, int siz)
2454 {
2455 return recv(fileno_stdin(), buf, siz, 0);
2456 }
2457 #else
raw_read_stdin(void * buf,int siz)2458 int raw_read_stdin(void *buf, int siz)
2459 {
2460 return read(fileno_stdin(), buf, siz);
2461 }
2462 #endif
2463
2464 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
raw_write_stdout(const void * buf,int siz)2465 int raw_write_stdout(const void *buf, int siz)
2466 {
2467 DWORD n;
2468 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2469 return n;
2470 else
2471 return -1;
2472 }
2473 #else
raw_write_stdout(const void * buf,int siz)2474 int raw_write_stdout(const void *buf, int siz)
2475 {
2476 return write(fileno_stdout(), buf, siz);
2477 }
2478 #endif
2479
2480 /*
2481 * Centralized handling if input and output files with format specification
2482 * The format is meant to show what the input and output is supposed to be,
2483 * and is therefore a show of intent more than anything else. However, it
2484 * does impact behavior on some platform, such as differentiating between
2485 * text and binary input/output on non-Unix platforms
2486 */
istext(int format)2487 static int istext(int format)
2488 {
2489 return (format & B_FORMAT_TEXT) == B_FORMAT_TEXT;
2490 }
2491
dup_bio_in(int format)2492 BIO *dup_bio_in(int format)
2493 {
2494 return BIO_new_fp(stdin,
2495 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2496 }
2497
2498 static BIO_METHOD *prefix_method = NULL;
2499
dup_bio_out(int format)2500 BIO *dup_bio_out(int format)
2501 {
2502 BIO *b = BIO_new_fp(stdout,
2503 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2504 void *prefix = NULL;
2505
2506 #ifdef OPENSSL_SYS_VMS
2507 if (istext(format))
2508 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2509 #endif
2510
2511 if (istext(format) && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2512 if (prefix_method == NULL)
2513 prefix_method = apps_bf_prefix();
2514 b = BIO_push(BIO_new(prefix_method), b);
2515 BIO_ctrl(b, PREFIX_CTRL_SET_PREFIX, 0, prefix);
2516 }
2517
2518 return b;
2519 }
2520
dup_bio_err(int format)2521 BIO *dup_bio_err(int format)
2522 {
2523 BIO *b = BIO_new_fp(stderr,
2524 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2525 #ifdef OPENSSL_SYS_VMS
2526 if (istext(format))
2527 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2528 #endif
2529 return b;
2530 }
2531
destroy_prefix_method(void)2532 void destroy_prefix_method(void)
2533 {
2534 BIO_meth_free(prefix_method);
2535 prefix_method = NULL;
2536 }
2537
unbuffer(FILE * fp)2538 void unbuffer(FILE *fp)
2539 {
2540 /*
2541 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2542 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2543 * However, we trust that the C RTL will never give us a FILE pointer
2544 * above the first 4 GB of memory, so we simply turn off the warning
2545 * temporarily.
2546 */
2547 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2548 # pragma environment save
2549 # pragma message disable maylosedata2
2550 #endif
2551 setbuf(fp, NULL);
2552 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2553 # pragma environment restore
2554 #endif
2555 }
2556
modestr(char mode,int format)2557 static const char *modestr(char mode, int format)
2558 {
2559 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2560
2561 switch (mode) {
2562 case 'a':
2563 return istext(format) ? "a" : "ab";
2564 case 'r':
2565 return istext(format) ? "r" : "rb";
2566 case 'w':
2567 return istext(format) ? "w" : "wb";
2568 }
2569 /* The assert above should make sure we never reach this point */
2570 return NULL;
2571 }
2572
modeverb(char mode)2573 static const char *modeverb(char mode)
2574 {
2575 switch (mode) {
2576 case 'a':
2577 return "appending";
2578 case 'r':
2579 return "reading";
2580 case 'w':
2581 return "writing";
2582 }
2583 return "(doing something)";
2584 }
2585
2586 /*
2587 * Open a file for writing, owner-read-only.
2588 */
bio_open_owner(const char * filename,int format,int private)2589 BIO *bio_open_owner(const char *filename, int format, int private)
2590 {
2591 FILE *fp = NULL;
2592 BIO *b = NULL;
2593 int fd = -1, bflags, mode, textmode;
2594
2595 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2596 return bio_open_default(filename, 'w', format);
2597
2598 mode = O_WRONLY;
2599 #ifdef O_CREAT
2600 mode |= O_CREAT;
2601 #endif
2602 #ifdef O_TRUNC
2603 mode |= O_TRUNC;
2604 #endif
2605 textmode = istext(format);
2606 if (!textmode) {
2607 #ifdef O_BINARY
2608 mode |= O_BINARY;
2609 #elif defined(_O_BINARY)
2610 mode |= _O_BINARY;
2611 #endif
2612 }
2613
2614 #ifdef OPENSSL_SYS_VMS
2615 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2616 * it still needs to know that we're going binary, or fdopen()
2617 * will fail with "invalid argument"... so we tell VMS what the
2618 * context is.
2619 */
2620 if (!textmode)
2621 fd = open(filename, mode, 0600, "ctx=bin");
2622 else
2623 #endif
2624 fd = open(filename, mode, 0600);
2625 if (fd < 0)
2626 goto err;
2627 fp = fdopen(fd, modestr('w', format));
2628 if (fp == NULL)
2629 goto err;
2630 bflags = BIO_CLOSE;
2631 if (textmode)
2632 bflags |= BIO_FP_TEXT;
2633 b = BIO_new_fp(fp, bflags);
2634 if (b)
2635 return b;
2636
2637 err:
2638 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2639 opt_getprog(), filename, strerror(errno));
2640 ERR_print_errors(bio_err);
2641 /* If we have fp, then fdopen took over fd, so don't close both. */
2642 if (fp)
2643 fclose(fp);
2644 else if (fd >= 0)
2645 close(fd);
2646 return NULL;
2647 }
2648
bio_open_default_(const char * filename,char mode,int format,int quiet)2649 static BIO *bio_open_default_(const char *filename, char mode, int format,
2650 int quiet)
2651 {
2652 BIO *ret;
2653
2654 if (filename == NULL || strcmp(filename, "-") == 0) {
2655 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2656 if (quiet) {
2657 ERR_clear_error();
2658 return ret;
2659 }
2660 if (ret != NULL)
2661 return ret;
2662 BIO_printf(bio_err,
2663 "Can't open %s, %s\n",
2664 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2665 } else {
2666 ret = BIO_new_file(filename, modestr(mode, format));
2667 if (quiet) {
2668 ERR_clear_error();
2669 return ret;
2670 }
2671 if (ret != NULL)
2672 return ret;
2673 BIO_printf(bio_err,
2674 "Can't open %s for %s, %s\n",
2675 filename, modeverb(mode), strerror(errno));
2676 }
2677 ERR_print_errors(bio_err);
2678 return NULL;
2679 }
2680
bio_open_default(const char * filename,char mode,int format)2681 BIO *bio_open_default(const char *filename, char mode, int format)
2682 {
2683 return bio_open_default_(filename, mode, format, 0);
2684 }
2685
bio_open_default_quiet(const char * filename,char mode,int format)2686 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2687 {
2688 return bio_open_default_(filename, mode, format, 1);
2689 }
2690
wait_for_async(SSL * s)2691 void wait_for_async(SSL *s)
2692 {
2693 /* On Windows select only works for sockets, so we simply don't wait */
2694 #ifndef OPENSSL_SYS_WINDOWS
2695 int width = 0;
2696 fd_set asyncfds;
2697 OSSL_ASYNC_FD *fds;
2698 size_t numfds;
2699 size_t i;
2700
2701 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2702 return;
2703 if (numfds == 0)
2704 return;
2705 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2706 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2707 OPENSSL_free(fds);
2708 return;
2709 }
2710
2711 FD_ZERO(&asyncfds);
2712 for (i = 0; i < numfds; i++) {
2713 if (width <= (int)fds[i])
2714 width = (int)fds[i] + 1;
2715 openssl_fdset((int)fds[i], &asyncfds);
2716 }
2717 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2718 OPENSSL_free(fds);
2719 #endif
2720 }
2721
2722 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2723 #if defined(OPENSSL_SYS_MSDOS)
has_stdin_waiting(void)2724 int has_stdin_waiting(void)
2725 {
2726 # if defined(OPENSSL_SYS_WINDOWS)
2727 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2728 DWORD events = 0;
2729 INPUT_RECORD inputrec;
2730 DWORD insize = 1;
2731 BOOL peeked;
2732
2733 if (inhand == INVALID_HANDLE_VALUE) {
2734 return 0;
2735 }
2736
2737 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2738 if (!peeked) {
2739 /* Probably redirected input? _kbhit() does not work in this case */
2740 if (!feof(stdin)) {
2741 return 1;
2742 }
2743 return 0;
2744 }
2745 # endif
2746 return _kbhit();
2747 }
2748 #endif
2749
2750 /* Corrupt a signature by modifying final byte */
corrupt_signature(const ASN1_STRING * signature)2751 void corrupt_signature(const ASN1_STRING *signature)
2752 {
2753 unsigned char *s = signature->data;
2754 s[signature->length - 1] ^= 0x1;
2755 }
2756
set_cert_times(X509 * x,const char * startdate,const char * enddate,int days)2757 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2758 int days)
2759 {
2760 if (startdate == NULL || strcmp(startdate, "today") == 0) {
2761 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2762 return 0;
2763 } else {
2764 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
2765 return 0;
2766 }
2767 if (enddate == NULL) {
2768 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2769 == NULL)
2770 return 0;
2771 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
2772 return 0;
2773 }
2774 return 1;
2775 }
2776
make_uppercase(char * string)2777 void make_uppercase(char *string)
2778 {
2779 int i;
2780
2781 for (i = 0; string[i] != '\0'; i++)
2782 string[i] = toupper((unsigned char)string[i]);
2783 }
2784