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 else if (!verify)
311 pw_min_len = 0;
312 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
313 if (!prompt) {
314 BIO_printf(bio_err, "Out of memory\n");
315 UI_free(ui);
316 return 0;
317 }
318
319 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
320 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
321
322 /* We know that there is no previous user data to return to us */
323 (void)UI_add_user_data(ui, cb_data);
324
325 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
326 pw_min_len, bufsiz - 1);
327
328 if (ok >= 0 && verify) {
329 buff = app_malloc(bufsiz, "password buffer");
330 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
331 pw_min_len, bufsiz - 1, buf);
332 }
333 if (ok >= 0)
334 do {
335 ok = UI_process(ui);
336 } while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
337
338 OPENSSL_clear_free(buff, (unsigned int)bufsiz);
339
340 if (ok >= 0)
341 res = strlen(buf);
342 if (ok == -1) {
343 BIO_printf(bio_err, "User interface error\n");
344 ERR_print_errors(bio_err);
345 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
346 res = 0;
347 }
348 if (ok == -2) {
349 BIO_printf(bio_err, "aborted!\n");
350 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
351 res = 0;
352 }
353 UI_free(ui);
354 OPENSSL_free(prompt);
355 }
356 return res;
357 }
358
359 static char *app_get_pass(const char *arg, int keepbio);
360
app_passwd(const char * arg1,const char * arg2,char ** pass1,char ** pass2)361 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
362 {
363 int same;
364 if (arg2 == NULL || arg1 == NULL || strcmp(arg1, arg2))
365 same = 0;
366 else
367 same = 1;
368 if (arg1 != NULL) {
369 *pass1 = app_get_pass(arg1, same);
370 if (*pass1 == NULL)
371 return 0;
372 } else if (pass1 != NULL) {
373 *pass1 = NULL;
374 }
375 if (arg2 != NULL) {
376 *pass2 = app_get_pass(arg2, same ? 2 : 0);
377 if (*pass2 == NULL)
378 return 0;
379 } else if (pass2 != NULL) {
380 *pass2 = NULL;
381 }
382 return 1;
383 }
384
app_get_pass(const char * arg,int keepbio)385 static char *app_get_pass(const char *arg, int keepbio)
386 {
387 char *tmp, tpass[APP_PASS_LEN];
388 static BIO *pwdbio = NULL;
389 int i;
390
391 if (strncmp(arg, "pass:", 5) == 0)
392 return OPENSSL_strdup(arg + 5);
393 if (strncmp(arg, "env:", 4) == 0) {
394 tmp = getenv(arg + 4);
395 if (tmp == NULL) {
396 BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4);
397 return NULL;
398 }
399 return OPENSSL_strdup(tmp);
400 }
401 if (!keepbio || pwdbio == NULL) {
402 if (strncmp(arg, "file:", 5) == 0) {
403 pwdbio = BIO_new_file(arg + 5, "r");
404 if (pwdbio == NULL) {
405 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
406 return NULL;
407 }
408 #if !defined(_WIN32)
409 /*
410 * Under _WIN32, which covers even Win64 and CE, file
411 * descriptors referenced by BIO_s_fd are not inherited
412 * by child process and therefore below is not an option.
413 * It could have been an option if bss_fd.c was operating
414 * on real Windows descriptors, such as those obtained
415 * with CreateFile.
416 */
417 } else if (strncmp(arg, "fd:", 3) == 0) {
418 BIO *btmp;
419 i = atoi(arg + 3);
420 if (i >= 0)
421 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
422 if ((i < 0) || !pwdbio) {
423 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
424 return NULL;
425 }
426 /*
427 * Can't do BIO_gets on an fd BIO so add a buffering BIO
428 */
429 btmp = BIO_new(BIO_f_buffer());
430 pwdbio = BIO_push(btmp, pwdbio);
431 #endif
432 } else if (strcmp(arg, "stdin") == 0) {
433 pwdbio = dup_bio_in(FORMAT_TEXT);
434 if (!pwdbio) {
435 BIO_printf(bio_err, "Can't open BIO for stdin\n");
436 return NULL;
437 }
438 } else {
439 BIO_printf(bio_err, "Invalid password argument \"%s\"\n", arg);
440 return NULL;
441 }
442 }
443 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
444 if (keepbio != 1) {
445 BIO_free_all(pwdbio);
446 pwdbio = NULL;
447 }
448 if (i <= 0) {
449 BIO_printf(bio_err, "Error reading password from BIO\n");
450 return NULL;
451 }
452 tmp = strchr(tpass, '\n');
453 if (tmp != NULL)
454 *tmp = 0;
455 return OPENSSL_strdup(tpass);
456 }
457
app_load_config_bio(BIO * in,const char * filename)458 CONF *app_load_config_bio(BIO *in, const char *filename)
459 {
460 long errorline = -1;
461 CONF *conf;
462 int i;
463
464 conf = NCONF_new(NULL);
465 i = NCONF_load_bio(conf, in, &errorline);
466 if (i > 0)
467 return conf;
468
469 if (errorline <= 0) {
470 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
471 } else {
472 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
473 errorline);
474 }
475 if (filename != NULL)
476 BIO_printf(bio_err, "config file \"%s\"\n", filename);
477 else
478 BIO_printf(bio_err, "config input");
479
480 NCONF_free(conf);
481 return NULL;
482 }
483
app_load_config(const char * filename)484 CONF *app_load_config(const char *filename)
485 {
486 BIO *in;
487 CONF *conf;
488
489 in = bio_open_default(filename, 'r', FORMAT_TEXT);
490 if (in == NULL)
491 return NULL;
492
493 conf = app_load_config_bio(in, filename);
494 BIO_free(in);
495 return conf;
496 }
497
app_load_config_quiet(const char * filename)498 CONF *app_load_config_quiet(const char *filename)
499 {
500 BIO *in;
501 CONF *conf;
502
503 in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
504 if (in == NULL)
505 return NULL;
506
507 conf = app_load_config_bio(in, filename);
508 BIO_free(in);
509 return conf;
510 }
511
app_load_modules(const CONF * config)512 int app_load_modules(const CONF *config)
513 {
514 CONF *to_free = NULL;
515
516 if (config == NULL)
517 config = to_free = app_load_config_quiet(default_config_file);
518 if (config == NULL)
519 return 1;
520
521 if (CONF_modules_load(config, NULL, 0) <= 0) {
522 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
523 ERR_print_errors(bio_err);
524 NCONF_free(to_free);
525 return 0;
526 }
527 NCONF_free(to_free);
528 return 1;
529 }
530
add_oid_section(CONF * conf)531 int add_oid_section(CONF *conf)
532 {
533 char *p;
534 STACK_OF(CONF_VALUE) *sktmp;
535 CONF_VALUE *cnf;
536 int i;
537
538 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
539 ERR_clear_error();
540 return 1;
541 }
542 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
543 BIO_printf(bio_err, "problem loading oid section %s\n", p);
544 return 0;
545 }
546 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
547 cnf = sk_CONF_VALUE_value(sktmp, i);
548 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
549 BIO_printf(bio_err, "problem creating object %s=%s\n",
550 cnf->name, cnf->value);
551 return 0;
552 }
553 }
554 return 1;
555 }
556
load_pkcs12(BIO * in,const char * desc,pem_password_cb * pem_cb,void * cb_data,EVP_PKEY ** pkey,X509 ** cert,STACK_OF (X509)** ca)557 static int load_pkcs12(BIO *in, const char *desc,
558 pem_password_cb *pem_cb, void *cb_data,
559 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
560 {
561 const char *pass;
562 char tpass[PEM_BUFSIZE];
563 int len, ret = 0;
564 PKCS12 *p12;
565 p12 = d2i_PKCS12_bio(in, NULL);
566 if (p12 == NULL) {
567 BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
568 goto die;
569 }
570 /* See if an empty password will do */
571 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
572 pass = "";
573 } else {
574 if (!pem_cb)
575 pem_cb = (pem_password_cb *)password_callback;
576 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
577 if (len < 0) {
578 BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
579 goto die;
580 }
581 if (len < PEM_BUFSIZE)
582 tpass[len] = 0;
583 if (!PKCS12_verify_mac(p12, tpass, len)) {
584 BIO_printf(bio_err,
585 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
586 desc);
587 goto die;
588 }
589 pass = tpass;
590 }
591 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
592 die:
593 PKCS12_free(p12);
594 return ret;
595 }
596
597 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
load_cert_crl_http(const char * url,X509 ** pcert,X509_CRL ** pcrl)598 static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
599 {
600 char *host = NULL, *port = NULL, *path = NULL;
601 BIO *bio = NULL;
602 OCSP_REQ_CTX *rctx = NULL;
603 int use_ssl, rv = 0;
604 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
605 goto err;
606 if (use_ssl) {
607 BIO_puts(bio_err, "https not supported\n");
608 goto err;
609 }
610 bio = BIO_new_connect(host);
611 if (!bio || !BIO_set_conn_port(bio, port))
612 goto err;
613 rctx = OCSP_REQ_CTX_new(bio, 1024);
614 if (rctx == NULL)
615 goto err;
616 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
617 goto err;
618 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
619 goto err;
620 if (pcert) {
621 do {
622 rv = X509_http_nbio(rctx, pcert);
623 } while (rv == -1);
624 } else {
625 do {
626 rv = X509_CRL_http_nbio(rctx, pcrl);
627 } while (rv == -1);
628 }
629
630 err:
631 OPENSSL_free(host);
632 OPENSSL_free(path);
633 OPENSSL_free(port);
634 BIO_free_all(bio);
635 OCSP_REQ_CTX_free(rctx);
636 if (rv != 1) {
637 BIO_printf(bio_err, "Error loading %s from %s\n",
638 pcert ? "certificate" : "CRL", url);
639 ERR_print_errors(bio_err);
640 }
641 return rv;
642 }
643 #endif
644
load_cert(const char * file,int format,const char * cert_descrip)645 X509 *load_cert(const char *file, int format, const char *cert_descrip)
646 {
647 X509 *x = NULL;
648 BIO *cert;
649
650 if (format == FORMAT_HTTP) {
651 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
652 load_cert_crl_http(file, &x, NULL);
653 #endif
654 return x;
655 }
656
657 if (file == NULL) {
658 unbuffer(stdin);
659 cert = dup_bio_in(format);
660 } else {
661 cert = bio_open_default(file, 'r', format);
662 }
663 if (cert == NULL)
664 goto end;
665
666 if (format == FORMAT_ASN1) {
667 x = d2i_X509_bio(cert, NULL);
668 } else if (format == FORMAT_PEM) {
669 x = PEM_read_bio_X509_AUX(cert, NULL,
670 (pem_password_cb *)password_callback, NULL);
671 } else if (format == FORMAT_PKCS12) {
672 if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
673 goto end;
674 } else {
675 BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
676 goto end;
677 }
678 end:
679 if (x == NULL) {
680 BIO_printf(bio_err, "unable to load certificate\n");
681 ERR_print_errors(bio_err);
682 }
683 BIO_free(cert);
684 return x;
685 }
686
load_crl(const char * infile,int format)687 X509_CRL *load_crl(const char *infile, int format)
688 {
689 X509_CRL *x = NULL;
690 BIO *in = NULL;
691
692 if (format == FORMAT_HTTP) {
693 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
694 load_cert_crl_http(infile, NULL, &x);
695 #endif
696 return x;
697 }
698
699 in = bio_open_default(infile, 'r', format);
700 if (in == NULL)
701 goto end;
702 if (format == FORMAT_ASN1) {
703 x = d2i_X509_CRL_bio(in, NULL);
704 } else if (format == FORMAT_PEM) {
705 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
706 } else {
707 BIO_printf(bio_err, "bad input format specified for input crl\n");
708 goto end;
709 }
710 if (x == NULL) {
711 BIO_printf(bio_err, "unable to load CRL\n");
712 ERR_print_errors(bio_err);
713 goto end;
714 }
715
716 end:
717 BIO_free(in);
718 return x;
719 }
720
load_key(const char * file,int format,int maybe_stdin,const char * pass,ENGINE * e,const char * key_descrip)721 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
722 const char *pass, ENGINE *e, const char *key_descrip)
723 {
724 BIO *key = NULL;
725 EVP_PKEY *pkey = NULL;
726 PW_CB_DATA cb_data;
727
728 cb_data.password = pass;
729 cb_data.prompt_info = file;
730
731 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
732 BIO_printf(bio_err, "no keyfile specified\n");
733 goto end;
734 }
735 if (format == FORMAT_ENGINE) {
736 if (e == NULL) {
737 BIO_printf(bio_err, "no engine specified\n");
738 } else {
739 #ifndef OPENSSL_NO_ENGINE
740 if (ENGINE_init(e)) {
741 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
742 ENGINE_finish(e);
743 }
744 if (pkey == NULL) {
745 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
746 ERR_print_errors(bio_err);
747 }
748 #else
749 BIO_printf(bio_err, "engines not supported\n");
750 #endif
751 }
752 goto end;
753 }
754 if (file == NULL && maybe_stdin) {
755 unbuffer(stdin);
756 key = dup_bio_in(format);
757 } else {
758 key = bio_open_default(file, 'r', format);
759 }
760 if (key == NULL)
761 goto end;
762 if (format == FORMAT_ASN1) {
763 pkey = d2i_PrivateKey_bio(key, NULL);
764 } else if (format == FORMAT_PEM) {
765 pkey = PEM_read_bio_PrivateKey(key, NULL,
766 (pem_password_cb *)password_callback,
767 &cb_data);
768 } else if (format == FORMAT_PKCS12) {
769 if (!load_pkcs12(key, key_descrip,
770 (pem_password_cb *)password_callback, &cb_data,
771 &pkey, NULL, NULL))
772 goto end;
773 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
774 } else if (format == FORMAT_MSBLOB) {
775 pkey = b2i_PrivateKey_bio(key);
776 } else if (format == FORMAT_PVK) {
777 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
778 &cb_data);
779 #endif
780 } else {
781 BIO_printf(bio_err, "bad input format specified for key file\n");
782 goto end;
783 }
784 end:
785 BIO_free(key);
786 if (pkey == NULL) {
787 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
788 ERR_print_errors(bio_err);
789 }
790 return pkey;
791 }
792
load_pubkey(const char * file,int format,int maybe_stdin,const char * pass,ENGINE * e,const char * key_descrip)793 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
794 const char *pass, ENGINE *e, const char *key_descrip)
795 {
796 BIO *key = NULL;
797 EVP_PKEY *pkey = NULL;
798 PW_CB_DATA cb_data;
799
800 cb_data.password = pass;
801 cb_data.prompt_info = file;
802
803 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
804 BIO_printf(bio_err, "no keyfile specified\n");
805 goto end;
806 }
807 if (format == FORMAT_ENGINE) {
808 if (e == NULL) {
809 BIO_printf(bio_err, "no engine specified\n");
810 } else {
811 #ifndef OPENSSL_NO_ENGINE
812 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
813 if (pkey == NULL) {
814 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
815 ERR_print_errors(bio_err);
816 }
817 #else
818 BIO_printf(bio_err, "engines not supported\n");
819 #endif
820 }
821 goto end;
822 }
823 if (file == NULL && maybe_stdin) {
824 unbuffer(stdin);
825 key = dup_bio_in(format);
826 } else {
827 key = bio_open_default(file, 'r', format);
828 }
829 if (key == NULL)
830 goto end;
831 if (format == FORMAT_ASN1) {
832 pkey = d2i_PUBKEY_bio(key, NULL);
833 } else if (format == FORMAT_ASN1RSA) {
834 #ifndef OPENSSL_NO_RSA
835 RSA *rsa;
836 rsa = d2i_RSAPublicKey_bio(key, NULL);
837 if (rsa) {
838 pkey = EVP_PKEY_new();
839 if (pkey != NULL)
840 EVP_PKEY_set1_RSA(pkey, rsa);
841 RSA_free(rsa);
842 } else
843 #else
844 BIO_printf(bio_err, "RSA keys not supported\n");
845 #endif
846 pkey = NULL;
847 } else if (format == FORMAT_PEMRSA) {
848 #ifndef OPENSSL_NO_RSA
849 RSA *rsa;
850 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
851 (pem_password_cb *)password_callback,
852 &cb_data);
853 if (rsa != NULL) {
854 pkey = EVP_PKEY_new();
855 if (pkey != NULL)
856 EVP_PKEY_set1_RSA(pkey, rsa);
857 RSA_free(rsa);
858 } else
859 #else
860 BIO_printf(bio_err, "RSA keys not supported\n");
861 #endif
862 pkey = NULL;
863 } else if (format == FORMAT_PEM) {
864 pkey = PEM_read_bio_PUBKEY(key, NULL,
865 (pem_password_cb *)password_callback,
866 &cb_data);
867 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
868 } else if (format == FORMAT_MSBLOB) {
869 pkey = b2i_PublicKey_bio(key);
870 #endif
871 }
872 end:
873 BIO_free(key);
874 if (pkey == NULL)
875 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
876 return pkey;
877 }
878
load_certs_crls(const char * file,int format,const char * pass,const char * desc,STACK_OF (X509)** pcerts,STACK_OF (X509_CRL)** pcrls)879 static int load_certs_crls(const char *file, int format,
880 const char *pass, const char *desc,
881 STACK_OF(X509) **pcerts,
882 STACK_OF(X509_CRL) **pcrls)
883 {
884 int i;
885 BIO *bio;
886 STACK_OF(X509_INFO) *xis = NULL;
887 X509_INFO *xi;
888 PW_CB_DATA cb_data;
889 int rv = 0;
890
891 cb_data.password = pass;
892 cb_data.prompt_info = file;
893
894 if (format != FORMAT_PEM) {
895 BIO_printf(bio_err, "bad input format specified for %s\n", desc);
896 return 0;
897 }
898
899 bio = bio_open_default(file, 'r', FORMAT_PEM);
900 if (bio == NULL)
901 return 0;
902
903 xis = PEM_X509_INFO_read_bio(bio, NULL,
904 (pem_password_cb *)password_callback,
905 &cb_data);
906
907 BIO_free(bio);
908
909 if (pcerts != NULL && *pcerts == NULL) {
910 *pcerts = sk_X509_new_null();
911 if (*pcerts == NULL)
912 goto end;
913 }
914
915 if (pcrls != NULL && *pcrls == NULL) {
916 *pcrls = sk_X509_CRL_new_null();
917 if (*pcrls == NULL)
918 goto end;
919 }
920
921 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
922 xi = sk_X509_INFO_value(xis, i);
923 if (xi->x509 != NULL && pcerts != NULL) {
924 if (!sk_X509_push(*pcerts, xi->x509))
925 goto end;
926 xi->x509 = NULL;
927 }
928 if (xi->crl != NULL && pcrls != NULL) {
929 if (!sk_X509_CRL_push(*pcrls, xi->crl))
930 goto end;
931 xi->crl = NULL;
932 }
933 }
934
935 if (pcerts != NULL && sk_X509_num(*pcerts) > 0)
936 rv = 1;
937
938 if (pcrls != NULL && sk_X509_CRL_num(*pcrls) > 0)
939 rv = 1;
940
941 end:
942
943 sk_X509_INFO_pop_free(xis, X509_INFO_free);
944
945 if (rv == 0) {
946 if (pcerts != NULL) {
947 sk_X509_pop_free(*pcerts, X509_free);
948 *pcerts = NULL;
949 }
950 if (pcrls != NULL) {
951 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
952 *pcrls = NULL;
953 }
954 BIO_printf(bio_err, "unable to load %s\n",
955 pcerts ? "certificates" : "CRLs");
956 ERR_print_errors(bio_err);
957 }
958 return rv;
959 }
960
app_malloc(int sz,const char * what)961 void* app_malloc(int sz, const char *what)
962 {
963 void *vp = OPENSSL_malloc(sz);
964
965 if (vp == NULL) {
966 BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
967 opt_getprog(), sz, what);
968 ERR_print_errors(bio_err);
969 exit(1);
970 }
971 return vp;
972 }
973
974 /*
975 * Initialize or extend, if *certs != NULL, a certificate stack.
976 */
load_certs(const char * file,STACK_OF (X509)** certs,int format,const char * pass,const char * desc)977 int load_certs(const char *file, STACK_OF(X509) **certs, int format,
978 const char *pass, const char *desc)
979 {
980 return load_certs_crls(file, format, pass, desc, certs, NULL);
981 }
982
983 /*
984 * Initialize or extend, if *crls != NULL, a certificate stack.
985 */
load_crls(const char * file,STACK_OF (X509_CRL)** crls,int format,const char * pass,const char * desc)986 int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
987 const char *pass, const char *desc)
988 {
989 return load_certs_crls(file, format, pass, desc, NULL, crls);
990 }
991
992 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
993 /* Return error for unknown extensions */
994 #define X509V3_EXT_DEFAULT 0
995 /* Print error for unknown extensions */
996 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
997 /* ASN1 parse unknown extensions */
998 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
999 /* BIO_dump unknown extensions */
1000 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1001
1002 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1003 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1004
set_cert_ex(unsigned long * flags,const char * arg)1005 int set_cert_ex(unsigned long *flags, const char *arg)
1006 {
1007 static const NAME_EX_TBL cert_tbl[] = {
1008 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1009 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1010 {"no_header", X509_FLAG_NO_HEADER, 0},
1011 {"no_version", X509_FLAG_NO_VERSION, 0},
1012 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1013 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1014 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1015 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1016 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1017 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1018 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1019 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1020 {"no_aux", X509_FLAG_NO_AUX, 0},
1021 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1022 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1023 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1024 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1025 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1026 {NULL, 0, 0}
1027 };
1028 return set_multi_opts(flags, arg, cert_tbl);
1029 }
1030
set_name_ex(unsigned long * flags,const char * arg)1031 int set_name_ex(unsigned long *flags, const char *arg)
1032 {
1033 static const NAME_EX_TBL ex_tbl[] = {
1034 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1035 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1036 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1037 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1038 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1039 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1040 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1041 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1042 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1043 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1044 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1045 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1046 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1047 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1048 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1049 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1050 {"dn_rev", XN_FLAG_DN_REV, 0},
1051 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1052 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1053 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1054 {"align", XN_FLAG_FN_ALIGN, 0},
1055 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1056 {"space_eq", XN_FLAG_SPC_EQ, 0},
1057 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1058 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1059 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1060 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1061 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1062 {NULL, 0, 0}
1063 };
1064 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1065 return 0;
1066 if (*flags != XN_FLAG_COMPAT
1067 && (*flags & XN_FLAG_SEP_MASK) == 0)
1068 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1069 return 1;
1070 }
1071
set_ext_copy(int * copy_type,const char * arg)1072 int set_ext_copy(int *copy_type, const char *arg)
1073 {
1074 if (strcasecmp(arg, "none") == 0)
1075 *copy_type = EXT_COPY_NONE;
1076 else if (strcasecmp(arg, "copy") == 0)
1077 *copy_type = EXT_COPY_ADD;
1078 else if (strcasecmp(arg, "copyall") == 0)
1079 *copy_type = EXT_COPY_ALL;
1080 else
1081 return 0;
1082 return 1;
1083 }
1084
copy_extensions(X509 * x,X509_REQ * req,int copy_type)1085 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1086 {
1087 STACK_OF(X509_EXTENSION) *exts = NULL;
1088 X509_EXTENSION *ext, *tmpext;
1089 ASN1_OBJECT *obj;
1090 int i, idx, ret = 0;
1091 if (!x || !req || (copy_type == EXT_COPY_NONE))
1092 return 1;
1093 exts = X509_REQ_get_extensions(req);
1094
1095 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1096 ext = sk_X509_EXTENSION_value(exts, i);
1097 obj = X509_EXTENSION_get_object(ext);
1098 idx = X509_get_ext_by_OBJ(x, obj, -1);
1099 /* Does extension exist? */
1100 if (idx != -1) {
1101 /* If normal copy don't override existing extension */
1102 if (copy_type == EXT_COPY_ADD)
1103 continue;
1104 /* Delete all extensions of same type */
1105 do {
1106 tmpext = X509_get_ext(x, idx);
1107 X509_delete_ext(x, idx);
1108 X509_EXTENSION_free(tmpext);
1109 idx = X509_get_ext_by_OBJ(x, obj, -1);
1110 } while (idx != -1);
1111 }
1112 if (!X509_add_ext(x, ext, -1))
1113 goto end;
1114 }
1115
1116 ret = 1;
1117
1118 end:
1119
1120 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1121
1122 return ret;
1123 }
1124
set_multi_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1125 static int set_multi_opts(unsigned long *flags, const char *arg,
1126 const NAME_EX_TBL * in_tbl)
1127 {
1128 STACK_OF(CONF_VALUE) *vals;
1129 CONF_VALUE *val;
1130 int i, ret = 1;
1131 if (!arg)
1132 return 0;
1133 vals = X509V3_parse_list(arg);
1134 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1135 val = sk_CONF_VALUE_value(vals, i);
1136 if (!set_table_opts(flags, val->name, in_tbl))
1137 ret = 0;
1138 }
1139 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1140 return ret;
1141 }
1142
set_table_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1143 static int set_table_opts(unsigned long *flags, const char *arg,
1144 const NAME_EX_TBL * in_tbl)
1145 {
1146 char c;
1147 const NAME_EX_TBL *ptbl;
1148 c = arg[0];
1149
1150 if (c == '-') {
1151 c = 0;
1152 arg++;
1153 } else if (c == '+') {
1154 c = 1;
1155 arg++;
1156 } else {
1157 c = 1;
1158 }
1159
1160 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1161 if (strcasecmp(arg, ptbl->name) == 0) {
1162 *flags &= ~ptbl->mask;
1163 if (c)
1164 *flags |= ptbl->flag;
1165 else
1166 *flags &= ~ptbl->flag;
1167 return 1;
1168 }
1169 }
1170 return 0;
1171 }
1172
print_name(BIO * out,const char * title,X509_NAME * nm,unsigned long lflags)1173 void print_name(BIO *out, const char *title, X509_NAME *nm,
1174 unsigned long lflags)
1175 {
1176 char *buf;
1177 char mline = 0;
1178 int indent = 0;
1179
1180 if (title)
1181 BIO_puts(out, title);
1182 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1183 mline = 1;
1184 indent = 4;
1185 }
1186 if (lflags == XN_FLAG_COMPAT) {
1187 buf = X509_NAME_oneline(nm, 0, 0);
1188 BIO_puts(out, buf);
1189 BIO_puts(out, "\n");
1190 OPENSSL_free(buf);
1191 } else {
1192 if (mline)
1193 BIO_puts(out, "\n");
1194 X509_NAME_print_ex(out, nm, indent, lflags);
1195 BIO_puts(out, "\n");
1196 }
1197 }
1198
print_bignum_var(BIO * out,const BIGNUM * in,const char * var,int len,unsigned char * buffer)1199 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1200 int len, unsigned char *buffer)
1201 {
1202 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1203 if (BN_is_zero(in)) {
1204 BIO_printf(out, "\n 0x00");
1205 } else {
1206 int i, l;
1207
1208 l = BN_bn2bin(in, buffer);
1209 for (i = 0; i < l; i++) {
1210 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1211 if (i < l - 1)
1212 BIO_printf(out, "0x%02X,", buffer[i]);
1213 else
1214 BIO_printf(out, "0x%02X", buffer[i]);
1215 }
1216 }
1217 BIO_printf(out, "\n };\n");
1218 }
1219
print_array(BIO * out,const char * title,int len,const unsigned char * d)1220 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1221 {
1222 int i;
1223
1224 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1225 for (i = 0; i < len; i++) {
1226 if ((i % 10) == 0)
1227 BIO_printf(out, "\n ");
1228 if (i < len - 1)
1229 BIO_printf(out, "0x%02X, ", d[i]);
1230 else
1231 BIO_printf(out, "0x%02X", d[i]);
1232 }
1233 BIO_printf(out, "\n};\n");
1234 }
1235
setup_verify(const char * CAfile,const char * CApath,int noCAfile,int noCApath)1236 X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, int noCApath)
1237 {
1238 X509_STORE *store = X509_STORE_new();
1239 X509_LOOKUP *lookup;
1240
1241 if (store == NULL)
1242 goto end;
1243
1244 if (CAfile != NULL || !noCAfile) {
1245 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1246 if (lookup == NULL)
1247 goto end;
1248 if (CAfile) {
1249 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1250 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1251 goto end;
1252 }
1253 } else {
1254 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1255 }
1256 }
1257
1258 if (CApath != NULL || !noCApath) {
1259 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1260 if (lookup == NULL)
1261 goto end;
1262 if (CApath) {
1263 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1264 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1265 goto end;
1266 }
1267 } else {
1268 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1269 }
1270 }
1271
1272 ERR_clear_error();
1273 return store;
1274 end:
1275 X509_STORE_free(store);
1276 return NULL;
1277 }
1278
1279 #ifndef OPENSSL_NO_ENGINE
1280 /* Try to load an engine in a shareable library */
try_load_engine(const char * engine)1281 static ENGINE *try_load_engine(const char *engine)
1282 {
1283 ENGINE *e = ENGINE_by_id("dynamic");
1284 if (e) {
1285 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1286 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1287 ENGINE_free(e);
1288 e = NULL;
1289 }
1290 }
1291 return e;
1292 }
1293 #endif
1294
setup_engine(const char * engine,int debug)1295 ENGINE *setup_engine(const char *engine, int debug)
1296 {
1297 ENGINE *e = NULL;
1298
1299 #ifndef OPENSSL_NO_ENGINE
1300 if (engine != NULL) {
1301 if (strcmp(engine, "auto") == 0) {
1302 BIO_printf(bio_err, "enabling auto ENGINE support\n");
1303 ENGINE_register_all_complete();
1304 return NULL;
1305 }
1306 if ((e = ENGINE_by_id(engine)) == NULL
1307 && (e = try_load_engine(engine)) == NULL) {
1308 BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
1309 ERR_print_errors(bio_err);
1310 return NULL;
1311 }
1312 if (debug) {
1313 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1314 }
1315 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1316 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1317 BIO_printf(bio_err, "can't use that engine\n");
1318 ERR_print_errors(bio_err);
1319 ENGINE_free(e);
1320 return NULL;
1321 }
1322
1323 BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1324 }
1325 #endif
1326 return e;
1327 }
1328
release_engine(ENGINE * e)1329 void release_engine(ENGINE *e)
1330 {
1331 #ifndef OPENSSL_NO_ENGINE
1332 if (e != NULL)
1333 /* Free our "structural" reference. */
1334 ENGINE_free(e);
1335 #endif
1336 }
1337
index_serial_hash(const OPENSSL_CSTRING * a)1338 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1339 {
1340 const char *n;
1341
1342 n = a[DB_serial];
1343 while (*n == '0')
1344 n++;
1345 return OPENSSL_LH_strhash(n);
1346 }
1347
index_serial_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1348 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1349 const OPENSSL_CSTRING *b)
1350 {
1351 const char *aa, *bb;
1352
1353 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1354 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1355 return strcmp(aa, bb);
1356 }
1357
index_name_qual(char ** a)1358 static int index_name_qual(char **a)
1359 {
1360 return (a[0][0] == 'V');
1361 }
1362
index_name_hash(const OPENSSL_CSTRING * a)1363 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1364 {
1365 return OPENSSL_LH_strhash(a[DB_name]);
1366 }
1367
index_name_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1368 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1369 {
1370 return strcmp(a[DB_name], b[DB_name]);
1371 }
1372
IMPLEMENT_LHASH_HASH_FN(index_serial,OPENSSL_CSTRING)1373 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1374 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1375 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1376 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1377 #undef BSIZE
1378 #define BSIZE 256
1379 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1380 ASN1_INTEGER **retai)
1381 {
1382 BIO *in = NULL;
1383 BIGNUM *ret = NULL;
1384 char buf[1024];
1385 ASN1_INTEGER *ai = NULL;
1386
1387 ai = ASN1_INTEGER_new();
1388 if (ai == NULL)
1389 goto err;
1390
1391 in = BIO_new_file(serialfile, "r");
1392 if (exists != NULL)
1393 *exists = in != NULL;
1394 if (in == NULL) {
1395 if (!create) {
1396 perror(serialfile);
1397 goto err;
1398 }
1399 ERR_clear_error();
1400 ret = BN_new();
1401 if (ret == NULL) {
1402 BIO_printf(bio_err, "Out of memory\n");
1403 } else if (!rand_serial(ret, ai)) {
1404 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1405 serialfile);
1406 BN_free(ret);
1407 ret = NULL;
1408 }
1409 } else {
1410 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1411 BIO_printf(bio_err, "unable to load number from %s\n",
1412 serialfile);
1413 goto err;
1414 }
1415 ret = ASN1_INTEGER_to_BN(ai, NULL);
1416 if (ret == NULL) {
1417 BIO_printf(bio_err,
1418 "error converting number from bin to BIGNUM\n");
1419 goto err;
1420 }
1421 }
1422
1423 if (ret && retai) {
1424 *retai = ai;
1425 ai = NULL;
1426 }
1427 err:
1428 if (ret == NULL)
1429 ERR_print_errors(bio_err);
1430 BIO_free(in);
1431 ASN1_INTEGER_free(ai);
1432 return ret;
1433 }
1434
save_serial(const char * serialfile,const char * suffix,const BIGNUM * serial,ASN1_INTEGER ** retai)1435 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1436 ASN1_INTEGER **retai)
1437 {
1438 char buf[1][BSIZE];
1439 BIO *out = NULL;
1440 int ret = 0;
1441 ASN1_INTEGER *ai = NULL;
1442 int j;
1443
1444 if (suffix == NULL)
1445 j = strlen(serialfile);
1446 else
1447 j = strlen(serialfile) + strlen(suffix) + 1;
1448 if (j >= BSIZE) {
1449 BIO_printf(bio_err, "file name too long\n");
1450 goto err;
1451 }
1452
1453 if (suffix == NULL)
1454 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1455 else {
1456 #ifndef OPENSSL_SYS_VMS
1457 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1458 #else
1459 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1460 #endif
1461 }
1462 out = BIO_new_file(buf[0], "w");
1463 if (out == NULL) {
1464 ERR_print_errors(bio_err);
1465 goto err;
1466 }
1467
1468 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1469 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1470 goto err;
1471 }
1472 i2a_ASN1_INTEGER(out, ai);
1473 BIO_puts(out, "\n");
1474 ret = 1;
1475 if (retai) {
1476 *retai = ai;
1477 ai = NULL;
1478 }
1479 err:
1480 BIO_free_all(out);
1481 ASN1_INTEGER_free(ai);
1482 return ret;
1483 }
1484
rotate_serial(const char * serialfile,const char * new_suffix,const char * old_suffix)1485 int rotate_serial(const char *serialfile, const char *new_suffix,
1486 const char *old_suffix)
1487 {
1488 char buf[2][BSIZE];
1489 int i, j;
1490
1491 i = strlen(serialfile) + strlen(old_suffix);
1492 j = strlen(serialfile) + strlen(new_suffix);
1493 if (i > j)
1494 j = i;
1495 if (j + 1 >= BSIZE) {
1496 BIO_printf(bio_err, "file name too long\n");
1497 goto err;
1498 }
1499 #ifndef OPENSSL_SYS_VMS
1500 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1501 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1502 #else
1503 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1504 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1505 #endif
1506 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1507 #ifdef ENOTDIR
1508 && errno != ENOTDIR
1509 #endif
1510 ) {
1511 BIO_printf(bio_err,
1512 "unable to rename %s to %s\n", serialfile, buf[1]);
1513 perror("reason");
1514 goto err;
1515 }
1516 if (rename(buf[0], serialfile) < 0) {
1517 BIO_printf(bio_err,
1518 "unable to rename %s to %s\n", buf[0], serialfile);
1519 perror("reason");
1520 rename(buf[1], serialfile);
1521 goto err;
1522 }
1523 return 1;
1524 err:
1525 return 0;
1526 }
1527
rand_serial(BIGNUM * b,ASN1_INTEGER * ai)1528 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1529 {
1530 BIGNUM *btmp;
1531 int ret = 0;
1532
1533 btmp = b == NULL ? BN_new() : b;
1534 if (btmp == NULL)
1535 return 0;
1536
1537 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1538 goto error;
1539 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1540 goto error;
1541
1542 ret = 1;
1543
1544 error:
1545
1546 if (btmp != b)
1547 BN_free(btmp);
1548
1549 return ret;
1550 }
1551
load_index(const char * dbfile,DB_ATTR * db_attr)1552 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1553 {
1554 CA_DB *retdb = NULL;
1555 TXT_DB *tmpdb = NULL;
1556 BIO *in;
1557 CONF *dbattr_conf = NULL;
1558 char buf[BSIZE];
1559 #ifndef OPENSSL_NO_POSIX_IO
1560 FILE *dbfp;
1561 struct stat dbst;
1562 #endif
1563
1564 in = BIO_new_file(dbfile, "r");
1565 if (in == NULL) {
1566 ERR_print_errors(bio_err);
1567 goto err;
1568 }
1569
1570 #ifndef OPENSSL_NO_POSIX_IO
1571 BIO_get_fp(in, &dbfp);
1572 if (fstat(fileno(dbfp), &dbst) == -1) {
1573 SYSerr(SYS_F_FSTAT, errno);
1574 ERR_add_error_data(3, "fstat('", dbfile, "')");
1575 ERR_print_errors(bio_err);
1576 goto err;
1577 }
1578 #endif
1579
1580 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1581 goto err;
1582
1583 #ifndef OPENSSL_SYS_VMS
1584 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1585 #else
1586 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1587 #endif
1588 dbattr_conf = app_load_config_quiet(buf);
1589
1590 retdb = app_malloc(sizeof(*retdb), "new DB");
1591 retdb->db = tmpdb;
1592 tmpdb = NULL;
1593 if (db_attr)
1594 retdb->attributes = *db_attr;
1595 else {
1596 retdb->attributes.unique_subject = 1;
1597 }
1598
1599 if (dbattr_conf) {
1600 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1601 if (p) {
1602 retdb->attributes.unique_subject = parse_yesno(p, 1);
1603 }
1604 }
1605
1606 retdb->dbfname = OPENSSL_strdup(dbfile);
1607 #ifndef OPENSSL_NO_POSIX_IO
1608 retdb->dbst = dbst;
1609 #endif
1610
1611 err:
1612 NCONF_free(dbattr_conf);
1613 TXT_DB_free(tmpdb);
1614 BIO_free_all(in);
1615 return retdb;
1616 }
1617
1618 /*
1619 * Returns > 0 on success, <= 0 on error
1620 */
index_index(CA_DB * db)1621 int index_index(CA_DB *db)
1622 {
1623 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1624 LHASH_HASH_FN(index_serial),
1625 LHASH_COMP_FN(index_serial))) {
1626 BIO_printf(bio_err,
1627 "error creating serial number index:(%ld,%ld,%ld)\n",
1628 db->db->error, db->db->arg1, db->db->arg2);
1629 return 0;
1630 }
1631
1632 if (db->attributes.unique_subject
1633 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1634 LHASH_HASH_FN(index_name),
1635 LHASH_COMP_FN(index_name))) {
1636 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1637 db->db->error, db->db->arg1, db->db->arg2);
1638 return 0;
1639 }
1640 return 1;
1641 }
1642
save_index(const char * dbfile,const char * suffix,CA_DB * db)1643 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1644 {
1645 char buf[3][BSIZE];
1646 BIO *out;
1647 int j;
1648
1649 j = strlen(dbfile) + strlen(suffix);
1650 if (j + 6 >= BSIZE) {
1651 BIO_printf(bio_err, "file name too long\n");
1652 goto err;
1653 }
1654 #ifndef OPENSSL_SYS_VMS
1655 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1656 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1657 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1658 #else
1659 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1660 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1661 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1662 #endif
1663 out = BIO_new_file(buf[0], "w");
1664 if (out == NULL) {
1665 perror(dbfile);
1666 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1667 goto err;
1668 }
1669 j = TXT_DB_write(out, db->db);
1670 BIO_free(out);
1671 if (j <= 0)
1672 goto err;
1673
1674 out = BIO_new_file(buf[1], "w");
1675 if (out == NULL) {
1676 perror(buf[2]);
1677 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1678 goto err;
1679 }
1680 BIO_printf(out, "unique_subject = %s\n",
1681 db->attributes.unique_subject ? "yes" : "no");
1682 BIO_free(out);
1683
1684 return 1;
1685 err:
1686 return 0;
1687 }
1688
rotate_index(const char * dbfile,const char * new_suffix,const char * old_suffix)1689 int rotate_index(const char *dbfile, const char *new_suffix,
1690 const char *old_suffix)
1691 {
1692 char buf[5][BSIZE];
1693 int i, j;
1694
1695 i = strlen(dbfile) + strlen(old_suffix);
1696 j = strlen(dbfile) + strlen(new_suffix);
1697 if (i > j)
1698 j = i;
1699 if (j + 6 >= BSIZE) {
1700 BIO_printf(bio_err, "file name too long\n");
1701 goto err;
1702 }
1703 #ifndef OPENSSL_SYS_VMS
1704 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1705 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1706 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1707 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1708 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1709 #else
1710 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1711 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1712 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1713 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1714 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1715 #endif
1716 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1717 #ifdef ENOTDIR
1718 && errno != ENOTDIR
1719 #endif
1720 ) {
1721 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1722 perror("reason");
1723 goto err;
1724 }
1725 if (rename(buf[0], dbfile) < 0) {
1726 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1727 perror("reason");
1728 rename(buf[1], dbfile);
1729 goto err;
1730 }
1731 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1732 #ifdef ENOTDIR
1733 && errno != ENOTDIR
1734 #endif
1735 ) {
1736 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1737 perror("reason");
1738 rename(dbfile, buf[0]);
1739 rename(buf[1], dbfile);
1740 goto err;
1741 }
1742 if (rename(buf[2], buf[4]) < 0) {
1743 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1744 perror("reason");
1745 rename(buf[3], buf[4]);
1746 rename(dbfile, buf[0]);
1747 rename(buf[1], dbfile);
1748 goto err;
1749 }
1750 return 1;
1751 err:
1752 return 0;
1753 }
1754
free_index(CA_DB * db)1755 void free_index(CA_DB *db)
1756 {
1757 if (db) {
1758 TXT_DB_free(db->db);
1759 OPENSSL_free(db->dbfname);
1760 OPENSSL_free(db);
1761 }
1762 }
1763
parse_yesno(const char * str,int def)1764 int parse_yesno(const char *str, int def)
1765 {
1766 if (str) {
1767 switch (*str) {
1768 case 'f': /* false */
1769 case 'F': /* FALSE */
1770 case 'n': /* no */
1771 case 'N': /* NO */
1772 case '0': /* 0 */
1773 return 0;
1774 case 't': /* true */
1775 case 'T': /* TRUE */
1776 case 'y': /* yes */
1777 case 'Y': /* YES */
1778 case '1': /* 1 */
1779 return 1;
1780 }
1781 }
1782 return def;
1783 }
1784
1785 /*
1786 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1787 * where characters may be escaped by \
1788 */
parse_name(const char * cp,long chtype,int canmulti)1789 X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
1790 {
1791 int nextismulti = 0;
1792 char *work;
1793 X509_NAME *n;
1794
1795 if (*cp++ != '/') {
1796 BIO_printf(bio_err,
1797 "name is expected to be in the format "
1798 "/type0=value0/type1=value1/type2=... where characters may "
1799 "be escaped by \\. This name is not in that format: '%s'\n",
1800 --cp);
1801 return NULL;
1802 }
1803
1804 n = X509_NAME_new();
1805 if (n == NULL)
1806 return NULL;
1807 work = OPENSSL_strdup(cp);
1808 if (work == NULL)
1809 goto err;
1810
1811 while (*cp) {
1812 char *bp = work;
1813 char *typestr = bp;
1814 unsigned char *valstr;
1815 int nid;
1816 int ismulti = nextismulti;
1817 nextismulti = 0;
1818
1819 /* Collect the type */
1820 while (*cp && *cp != '=')
1821 *bp++ = *cp++;
1822 if (*cp == '\0') {
1823 BIO_printf(bio_err,
1824 "%s: Hit end of string before finding the equals.\n",
1825 opt_getprog());
1826 goto err;
1827 }
1828 *bp++ = '\0';
1829 ++cp;
1830
1831 /* Collect the value. */
1832 valstr = (unsigned char *)bp;
1833 for (; *cp && *cp != '/'; *bp++ = *cp++) {
1834 if (canmulti && *cp == '+') {
1835 nextismulti = 1;
1836 break;
1837 }
1838 if (*cp == '\\' && *++cp == '\0') {
1839 BIO_printf(bio_err,
1840 "%s: escape character at end of string\n",
1841 opt_getprog());
1842 goto err;
1843 }
1844 }
1845 *bp++ = '\0';
1846
1847 /* If not at EOS (must be + or /), move forward. */
1848 if (*cp)
1849 ++cp;
1850
1851 /* Parse */
1852 nid = OBJ_txt2nid(typestr);
1853 if (nid == NID_undef) {
1854 BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n",
1855 opt_getprog(), typestr);
1856 continue;
1857 }
1858 if (*valstr == '\0') {
1859 BIO_printf(bio_err,
1860 "%s: No value provided for Subject Attribute %s, skipped\n",
1861 opt_getprog(), typestr);
1862 continue;
1863 }
1864 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1865 valstr, strlen((char *)valstr),
1866 -1, ismulti ? -1 : 0))
1867 goto err;
1868 }
1869
1870 OPENSSL_free(work);
1871 return n;
1872
1873 err:
1874 X509_NAME_free(n);
1875 OPENSSL_free(work);
1876 return NULL;
1877 }
1878
1879 /*
1880 * Read whole contents of a BIO into an allocated memory buffer and return
1881 * it.
1882 */
1883
bio_to_mem(unsigned char ** out,int maxlen,BIO * in)1884 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1885 {
1886 BIO *mem;
1887 int len, ret;
1888 unsigned char tbuf[1024];
1889
1890 mem = BIO_new(BIO_s_mem());
1891 if (mem == NULL)
1892 return -1;
1893 for (;;) {
1894 if ((maxlen != -1) && maxlen < 1024)
1895 len = maxlen;
1896 else
1897 len = 1024;
1898 len = BIO_read(in, tbuf, len);
1899 if (len < 0) {
1900 BIO_free(mem);
1901 return -1;
1902 }
1903 if (len == 0)
1904 break;
1905 if (BIO_write(mem, tbuf, len) != len) {
1906 BIO_free(mem);
1907 return -1;
1908 }
1909 maxlen -= len;
1910
1911 if (maxlen == 0)
1912 break;
1913 }
1914 ret = BIO_get_mem_data(mem, (char **)out);
1915 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1916 BIO_free(mem);
1917 return ret;
1918 }
1919
pkey_ctrl_string(EVP_PKEY_CTX * ctx,const char * value)1920 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1921 {
1922 int rv;
1923 char *stmp, *vtmp = NULL;
1924 stmp = OPENSSL_strdup(value);
1925 if (!stmp)
1926 return -1;
1927 vtmp = strchr(stmp, ':');
1928 if (vtmp) {
1929 *vtmp = 0;
1930 vtmp++;
1931 }
1932 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1933 OPENSSL_free(stmp);
1934 return rv;
1935 }
1936
nodes_print(const char * name,STACK_OF (X509_POLICY_NODE)* nodes)1937 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1938 {
1939 X509_POLICY_NODE *node;
1940 int i;
1941
1942 BIO_printf(bio_err, "%s Policies:", name);
1943 if (nodes) {
1944 BIO_puts(bio_err, "\n");
1945 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1946 node = sk_X509_POLICY_NODE_value(nodes, i);
1947 X509_POLICY_NODE_print(bio_err, node, 2);
1948 }
1949 } else {
1950 BIO_puts(bio_err, " <empty>\n");
1951 }
1952 }
1953
policies_print(X509_STORE_CTX * ctx)1954 void policies_print(X509_STORE_CTX *ctx)
1955 {
1956 X509_POLICY_TREE *tree;
1957 int explicit_policy;
1958 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1959 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1960
1961 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1962 explicit_policy ? "True" : "False");
1963
1964 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1965 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1966 }
1967
1968 /*-
1969 * next_protos_parse parses a comma separated list of strings into a string
1970 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1971 * outlen: (output) set to the length of the resulting buffer on success.
1972 * err: (maybe NULL) on failure, an error message line is written to this BIO.
1973 * in: a NUL terminated string like "abc,def,ghi"
1974 *
1975 * returns: a malloc'd buffer or NULL on failure.
1976 */
next_protos_parse(size_t * outlen,const char * in)1977 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1978 {
1979 size_t len;
1980 unsigned char *out;
1981 size_t i, start = 0;
1982 size_t skipped = 0;
1983
1984 len = strlen(in);
1985 if (len == 0 || len >= 65535)
1986 return NULL;
1987
1988 out = app_malloc(len + 1, "NPN buffer");
1989 for (i = 0; i <= len; ++i) {
1990 if (i == len || in[i] == ',') {
1991 /*
1992 * Zero-length ALPN elements are invalid on the wire, we could be
1993 * strict and reject the entire string, but just ignoring extra
1994 * commas seems harmless and more friendly.
1995 *
1996 * Every comma we skip in this way puts the input buffer another
1997 * byte ahead of the output buffer, so all stores into the output
1998 * buffer need to be decremented by the number commas skipped.
1999 */
2000 if (i == start) {
2001 ++start;
2002 ++skipped;
2003 continue;
2004 }
2005 if (i - start > 255) {
2006 OPENSSL_free(out);
2007 return NULL;
2008 }
2009 out[start-skipped] = (unsigned char)(i - start);
2010 start = i + 1;
2011 } else {
2012 out[i + 1 - skipped] = in[i];
2013 }
2014 }
2015
2016 if (len <= skipped) {
2017 OPENSSL_free(out);
2018 return NULL;
2019 }
2020
2021 *outlen = len + 1 - skipped;
2022 return out;
2023 }
2024
print_cert_checks(BIO * bio,X509 * x,const char * checkhost,const char * checkemail,const char * checkip)2025 void print_cert_checks(BIO *bio, X509 *x,
2026 const char *checkhost,
2027 const char *checkemail, const char *checkip)
2028 {
2029 if (x == NULL)
2030 return;
2031 if (checkhost) {
2032 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2033 checkhost,
2034 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2035 ? "" : " NOT");
2036 }
2037
2038 if (checkemail) {
2039 BIO_printf(bio, "Email %s does%s match certificate\n",
2040 checkemail, X509_check_email(x, checkemail, 0, 0)
2041 ? "" : " NOT");
2042 }
2043
2044 if (checkip) {
2045 BIO_printf(bio, "IP %s does%s match certificate\n",
2046 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2047 }
2048 }
2049
2050 /* Get first http URL from a DIST_POINT structure */
2051
get_dp_url(DIST_POINT * dp)2052 static const char *get_dp_url(DIST_POINT *dp)
2053 {
2054 GENERAL_NAMES *gens;
2055 GENERAL_NAME *gen;
2056 int i, gtype;
2057 ASN1_STRING *uri;
2058 if (!dp->distpoint || dp->distpoint->type != 0)
2059 return NULL;
2060 gens = dp->distpoint->name.fullname;
2061 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2062 gen = sk_GENERAL_NAME_value(gens, i);
2063 uri = GENERAL_NAME_get0_value(gen, >ype);
2064 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2065 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2066 if (strncmp(uptr, "http://", 7) == 0)
2067 return uptr;
2068 }
2069 }
2070 return NULL;
2071 }
2072
2073 /*
2074 * Look through a CRLDP structure and attempt to find an http URL to
2075 * downloads a CRL from.
2076 */
2077
load_crl_crldp(STACK_OF (DIST_POINT)* crldp)2078 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2079 {
2080 int i;
2081 const char *urlptr = NULL;
2082 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2083 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2084 urlptr = get_dp_url(dp);
2085 if (urlptr)
2086 return load_crl(urlptr, FORMAT_HTTP);
2087 }
2088 return NULL;
2089 }
2090
2091 /*
2092 * Example of downloading CRLs from CRLDP: not usable for real world as it
2093 * always downloads, doesn't support non-blocking I/O and doesn't cache
2094 * anything.
2095 */
2096
STACK_OF(X509_CRL)2097 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2098 {
2099 X509 *x;
2100 STACK_OF(X509_CRL) *crls = NULL;
2101 X509_CRL *crl;
2102 STACK_OF(DIST_POINT) *crldp;
2103
2104 crls = sk_X509_CRL_new_null();
2105 if (!crls)
2106 return NULL;
2107 x = X509_STORE_CTX_get_current_cert(ctx);
2108 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2109 crl = load_crl_crldp(crldp);
2110 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2111 if (!crl) {
2112 sk_X509_CRL_free(crls);
2113 return NULL;
2114 }
2115 sk_X509_CRL_push(crls, crl);
2116 /* Try to download delta CRL */
2117 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2118 crl = load_crl_crldp(crldp);
2119 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2120 if (crl)
2121 sk_X509_CRL_push(crls, crl);
2122 return crls;
2123 }
2124
store_setup_crl_download(X509_STORE * st)2125 void store_setup_crl_download(X509_STORE *st)
2126 {
2127 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2128 }
2129
2130 /*
2131 * Platform-specific sections
2132 */
2133 #if defined(_WIN32)
2134 # ifdef fileno
2135 # undef fileno
2136 # define fileno(a) (int)_fileno(a)
2137 # endif
2138
2139 # include <windows.h>
2140 # include <tchar.h>
2141
WIN32_rename(const char * from,const char * to)2142 static int WIN32_rename(const char *from, const char *to)
2143 {
2144 TCHAR *tfrom = NULL, *tto;
2145 DWORD err;
2146 int ret = 0;
2147
2148 if (sizeof(TCHAR) == 1) {
2149 tfrom = (TCHAR *)from;
2150 tto = (TCHAR *)to;
2151 } else { /* UNICODE path */
2152
2153 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2154 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2155 if (tfrom == NULL)
2156 goto err;
2157 tto = tfrom + flen;
2158 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2159 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2160 # endif
2161 for (i = 0; i < flen; i++)
2162 tfrom[i] = (TCHAR)from[i];
2163 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2164 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2165 # endif
2166 for (i = 0; i < tlen; i++)
2167 tto[i] = (TCHAR)to[i];
2168 }
2169
2170 if (MoveFile(tfrom, tto))
2171 goto ok;
2172 err = GetLastError();
2173 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2174 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2175 goto ok;
2176 err = GetLastError();
2177 }
2178 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2179 errno = ENOENT;
2180 else if (err == ERROR_ACCESS_DENIED)
2181 errno = EACCES;
2182 else
2183 errno = EINVAL; /* we could map more codes... */
2184 err:
2185 ret = -1;
2186 ok:
2187 if (tfrom != NULL && tfrom != (TCHAR *)from)
2188 free(tfrom);
2189 return ret;
2190 }
2191 #endif
2192
2193 /* app_tminterval section */
2194 #if defined(_WIN32)
app_tminterval(int stop,int usertime)2195 double app_tminterval(int stop, int usertime)
2196 {
2197 FILETIME now;
2198 double ret = 0;
2199 static ULARGE_INTEGER tmstart;
2200 static int warning = 1;
2201 # ifdef _WIN32_WINNT
2202 static HANDLE proc = NULL;
2203
2204 if (proc == NULL) {
2205 if (check_winnt())
2206 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2207 GetCurrentProcessId());
2208 if (proc == NULL)
2209 proc = (HANDLE) - 1;
2210 }
2211
2212 if (usertime && proc != (HANDLE) - 1) {
2213 FILETIME junk;
2214 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2215 } else
2216 # endif
2217 {
2218 SYSTEMTIME systime;
2219
2220 if (usertime && warning) {
2221 BIO_printf(bio_err, "To get meaningful results, run "
2222 "this program on idle system.\n");
2223 warning = 0;
2224 }
2225 GetSystemTime(&systime);
2226 SystemTimeToFileTime(&systime, &now);
2227 }
2228
2229 if (stop == TM_START) {
2230 tmstart.u.LowPart = now.dwLowDateTime;
2231 tmstart.u.HighPart = now.dwHighDateTime;
2232 } else {
2233 ULARGE_INTEGER tmstop;
2234
2235 tmstop.u.LowPart = now.dwLowDateTime;
2236 tmstop.u.HighPart = now.dwHighDateTime;
2237
2238 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2239 }
2240
2241 return ret;
2242 }
2243 #elif defined(OPENSSL_SYS_VXWORKS)
2244 # include <time.h>
2245
app_tminterval(int stop,int usertime)2246 double app_tminterval(int stop, int usertime)
2247 {
2248 double ret = 0;
2249 # ifdef CLOCK_REALTIME
2250 static struct timespec tmstart;
2251 struct timespec now;
2252 # else
2253 static unsigned long tmstart;
2254 unsigned long now;
2255 # endif
2256 static int warning = 1;
2257
2258 if (usertime && warning) {
2259 BIO_printf(bio_err, "To get meaningful results, run "
2260 "this program on idle system.\n");
2261 warning = 0;
2262 }
2263 # ifdef CLOCK_REALTIME
2264 clock_gettime(CLOCK_REALTIME, &now);
2265 if (stop == TM_START)
2266 tmstart = now;
2267 else
2268 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2269 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2270 # else
2271 now = tickGet();
2272 if (stop == TM_START)
2273 tmstart = now;
2274 else
2275 ret = (now - tmstart) / (double)sysClkRateGet();
2276 # endif
2277 return ret;
2278 }
2279
2280 #elif defined(OPENSSL_SYSTEM_VMS)
2281 # include <time.h>
2282 # include <times.h>
2283
app_tminterval(int stop,int usertime)2284 double app_tminterval(int stop, int usertime)
2285 {
2286 static clock_t tmstart;
2287 double ret = 0;
2288 clock_t now;
2289 # ifdef __TMS
2290 struct tms rus;
2291
2292 now = times(&rus);
2293 if (usertime)
2294 now = rus.tms_utime;
2295 # else
2296 if (usertime)
2297 now = clock(); /* sum of user and kernel times */
2298 else {
2299 struct timeval tv;
2300 gettimeofday(&tv, NULL);
2301 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2302 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2303 );
2304 }
2305 # endif
2306 if (stop == TM_START)
2307 tmstart = now;
2308 else
2309 ret = (now - tmstart) / (double)(CLK_TCK);
2310
2311 return ret;
2312 }
2313
2314 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2315 # include <sys/times.h>
2316
app_tminterval(int stop,int usertime)2317 double app_tminterval(int stop, int usertime)
2318 {
2319 double ret = 0;
2320 struct tms rus;
2321 clock_t now = times(&rus);
2322 static clock_t tmstart;
2323
2324 if (usertime)
2325 now = rus.tms_utime;
2326
2327 if (stop == TM_START) {
2328 tmstart = now;
2329 } else {
2330 long int tck = sysconf(_SC_CLK_TCK);
2331 ret = (now - tmstart) / (double)tck;
2332 }
2333
2334 return ret;
2335 }
2336
2337 #else
2338 # include <sys/time.h>
2339 # include <sys/resource.h>
2340
app_tminterval(int stop,int usertime)2341 double app_tminterval(int stop, int usertime)
2342 {
2343 double ret = 0;
2344 struct rusage rus;
2345 struct timeval now;
2346 static struct timeval tmstart;
2347
2348 if (usertime)
2349 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2350 else
2351 gettimeofday(&now, NULL);
2352
2353 if (stop == TM_START)
2354 tmstart = now;
2355 else
2356 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2357 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2358
2359 return ret;
2360 }
2361 #endif
2362
app_access(const char * name,int flag)2363 int app_access(const char* name, int flag)
2364 {
2365 #ifdef _WIN32
2366 return _access(name, flag);
2367 #else
2368 return access(name, flag);
2369 #endif
2370 }
2371
2372 /* app_isdir section */
2373 #ifdef _WIN32
app_isdir(const char * name)2374 int app_isdir(const char *name)
2375 {
2376 DWORD attr;
2377 # if defined(UNICODE) || defined(_UNICODE)
2378 size_t i, len_0 = strlen(name) + 1;
2379 WCHAR tempname[MAX_PATH];
2380
2381 if (len_0 > MAX_PATH)
2382 return -1;
2383
2384 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2385 if (!MultiByteToWideChar(CP_ACP, 0, name, len_0, tempname, MAX_PATH))
2386 # endif
2387 for (i = 0; i < len_0; i++)
2388 tempname[i] = (WCHAR)name[i];
2389
2390 attr = GetFileAttributes(tempname);
2391 # else
2392 attr = GetFileAttributes(name);
2393 # endif
2394 if (attr == INVALID_FILE_ATTRIBUTES)
2395 return -1;
2396 return ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0);
2397 }
2398 #else
2399 # include <sys/stat.h>
2400 # ifndef S_ISDIR
2401 # if defined(_S_IFMT) && defined(_S_IFDIR)
2402 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
2403 # else
2404 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
2405 # endif
2406 # endif
2407
app_isdir(const char * name)2408 int app_isdir(const char *name)
2409 {
2410 # if defined(S_ISDIR)
2411 struct stat st;
2412
2413 if (stat(name, &st) == 0)
2414 return S_ISDIR(st.st_mode);
2415 else
2416 return -1;
2417 # else
2418 return -1;
2419 # endif
2420 }
2421 #endif
2422
2423 /* raw_read|write section */
2424 #if defined(__VMS)
2425 # include "vms_term_sock.h"
2426 static int stdin_sock = -1;
2427
close_stdin_sock(void)2428 static void close_stdin_sock(void)
2429 {
2430 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2431 }
2432
fileno_stdin(void)2433 int fileno_stdin(void)
2434 {
2435 if (stdin_sock == -1) {
2436 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2437 atexit(close_stdin_sock);
2438 }
2439
2440 return stdin_sock;
2441 }
2442 #else
fileno_stdin(void)2443 int fileno_stdin(void)
2444 {
2445 return fileno(stdin);
2446 }
2447 #endif
2448
fileno_stdout(void)2449 int fileno_stdout(void)
2450 {
2451 return fileno(stdout);
2452 }
2453
2454 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
raw_read_stdin(void * buf,int siz)2455 int raw_read_stdin(void *buf, int siz)
2456 {
2457 DWORD n;
2458 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2459 return n;
2460 else
2461 return -1;
2462 }
2463 #elif defined(__VMS)
2464 # include <sys/socket.h>
2465
raw_read_stdin(void * buf,int siz)2466 int raw_read_stdin(void *buf, int siz)
2467 {
2468 return recv(fileno_stdin(), buf, siz, 0);
2469 }
2470 #else
raw_read_stdin(void * buf,int siz)2471 int raw_read_stdin(void *buf, int siz)
2472 {
2473 return read(fileno_stdin(), buf, siz);
2474 }
2475 #endif
2476
2477 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
raw_write_stdout(const void * buf,int siz)2478 int raw_write_stdout(const void *buf, int siz)
2479 {
2480 DWORD n;
2481 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2482 return n;
2483 else
2484 return -1;
2485 }
2486 #else
raw_write_stdout(const void * buf,int siz)2487 int raw_write_stdout(const void *buf, int siz)
2488 {
2489 return write(fileno_stdout(), buf, siz);
2490 }
2491 #endif
2492
2493 /*
2494 * Centralized handling if input and output files with format specification
2495 * The format is meant to show what the input and output is supposed to be,
2496 * and is therefore a show of intent more than anything else. However, it
2497 * does impact behavior on some platform, such as differentiating between
2498 * text and binary input/output on non-Unix platforms
2499 */
istext(int format)2500 static int istext(int format)
2501 {
2502 return (format & B_FORMAT_TEXT) == B_FORMAT_TEXT;
2503 }
2504
dup_bio_in(int format)2505 BIO *dup_bio_in(int format)
2506 {
2507 return BIO_new_fp(stdin,
2508 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2509 }
2510
2511 static BIO_METHOD *prefix_method = NULL;
2512
dup_bio_out(int format)2513 BIO *dup_bio_out(int format)
2514 {
2515 BIO *b = BIO_new_fp(stdout,
2516 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2517 void *prefix = NULL;
2518
2519 #ifdef OPENSSL_SYS_VMS
2520 if (istext(format))
2521 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2522 #endif
2523
2524 if (istext(format) && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2525 if (prefix_method == NULL)
2526 prefix_method = apps_bf_prefix();
2527 b = BIO_push(BIO_new(prefix_method), b);
2528 BIO_ctrl(b, PREFIX_CTRL_SET_PREFIX, 0, prefix);
2529 }
2530
2531 return b;
2532 }
2533
dup_bio_err(int format)2534 BIO *dup_bio_err(int format)
2535 {
2536 BIO *b = BIO_new_fp(stderr,
2537 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2538 #ifdef OPENSSL_SYS_VMS
2539 if (istext(format))
2540 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2541 #endif
2542 return b;
2543 }
2544
destroy_prefix_method(void)2545 void destroy_prefix_method(void)
2546 {
2547 BIO_meth_free(prefix_method);
2548 prefix_method = NULL;
2549 }
2550
unbuffer(FILE * fp)2551 void unbuffer(FILE *fp)
2552 {
2553 /*
2554 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2555 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2556 * However, we trust that the C RTL will never give us a FILE pointer
2557 * above the first 4 GB of memory, so we simply turn off the warning
2558 * temporarily.
2559 */
2560 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2561 # pragma environment save
2562 # pragma message disable maylosedata2
2563 #endif
2564 setbuf(fp, NULL);
2565 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2566 # pragma environment restore
2567 #endif
2568 }
2569
modestr(char mode,int format)2570 static const char *modestr(char mode, int format)
2571 {
2572 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2573
2574 switch (mode) {
2575 case 'a':
2576 return istext(format) ? "a" : "ab";
2577 case 'r':
2578 return istext(format) ? "r" : "rb";
2579 case 'w':
2580 return istext(format) ? "w" : "wb";
2581 }
2582 /* The assert above should make sure we never reach this point */
2583 return NULL;
2584 }
2585
modeverb(char mode)2586 static const char *modeverb(char mode)
2587 {
2588 switch (mode) {
2589 case 'a':
2590 return "appending";
2591 case 'r':
2592 return "reading";
2593 case 'w':
2594 return "writing";
2595 }
2596 return "(doing something)";
2597 }
2598
2599 /*
2600 * Open a file for writing, owner-read-only.
2601 */
bio_open_owner(const char * filename,int format,int private)2602 BIO *bio_open_owner(const char *filename, int format, int private)
2603 {
2604 FILE *fp = NULL;
2605 BIO *b = NULL;
2606 int fd = -1, bflags, mode, textmode;
2607
2608 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2609 return bio_open_default(filename, 'w', format);
2610
2611 mode = O_WRONLY;
2612 #ifdef O_CREAT
2613 mode |= O_CREAT;
2614 #endif
2615 #ifdef O_TRUNC
2616 mode |= O_TRUNC;
2617 #endif
2618 textmode = istext(format);
2619 if (!textmode) {
2620 #ifdef O_BINARY
2621 mode |= O_BINARY;
2622 #elif defined(_O_BINARY)
2623 mode |= _O_BINARY;
2624 #endif
2625 }
2626
2627 #ifdef OPENSSL_SYS_VMS
2628 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2629 * it still needs to know that we're going binary, or fdopen()
2630 * will fail with "invalid argument"... so we tell VMS what the
2631 * context is.
2632 */
2633 if (!textmode)
2634 fd = open(filename, mode, 0600, "ctx=bin");
2635 else
2636 #endif
2637 fd = open(filename, mode, 0600);
2638 if (fd < 0)
2639 goto err;
2640 fp = fdopen(fd, modestr('w', format));
2641 if (fp == NULL)
2642 goto err;
2643 bflags = BIO_CLOSE;
2644 if (textmode)
2645 bflags |= BIO_FP_TEXT;
2646 b = BIO_new_fp(fp, bflags);
2647 if (b)
2648 return b;
2649
2650 err:
2651 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2652 opt_getprog(), filename, strerror(errno));
2653 ERR_print_errors(bio_err);
2654 /* If we have fp, then fdopen took over fd, so don't close both. */
2655 if (fp)
2656 fclose(fp);
2657 else if (fd >= 0)
2658 close(fd);
2659 return NULL;
2660 }
2661
bio_open_default_(const char * filename,char mode,int format,int quiet)2662 static BIO *bio_open_default_(const char *filename, char mode, int format,
2663 int quiet)
2664 {
2665 BIO *ret;
2666
2667 if (filename == NULL || strcmp(filename, "-") == 0) {
2668 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2669 if (quiet) {
2670 ERR_clear_error();
2671 return ret;
2672 }
2673 if (ret != NULL)
2674 return ret;
2675 BIO_printf(bio_err,
2676 "Can't open %s, %s\n",
2677 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2678 } else {
2679 ret = BIO_new_file(filename, modestr(mode, format));
2680 if (quiet) {
2681 ERR_clear_error();
2682 return ret;
2683 }
2684 if (ret != NULL)
2685 return ret;
2686 BIO_printf(bio_err,
2687 "Can't open %s for %s, %s\n",
2688 filename, modeverb(mode), strerror(errno));
2689 }
2690 ERR_print_errors(bio_err);
2691 return NULL;
2692 }
2693
bio_open_default(const char * filename,char mode,int format)2694 BIO *bio_open_default(const char *filename, char mode, int format)
2695 {
2696 return bio_open_default_(filename, mode, format, 0);
2697 }
2698
bio_open_default_quiet(const char * filename,char mode,int format)2699 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2700 {
2701 return bio_open_default_(filename, mode, format, 1);
2702 }
2703
wait_for_async(SSL * s)2704 void wait_for_async(SSL *s)
2705 {
2706 /* On Windows select only works for sockets, so we simply don't wait */
2707 #ifndef OPENSSL_SYS_WINDOWS
2708 int width = 0;
2709 fd_set asyncfds;
2710 OSSL_ASYNC_FD *fds;
2711 size_t numfds;
2712 size_t i;
2713
2714 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2715 return;
2716 if (numfds == 0)
2717 return;
2718 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2719 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2720 OPENSSL_free(fds);
2721 return;
2722 }
2723
2724 FD_ZERO(&asyncfds);
2725 for (i = 0; i < numfds; i++) {
2726 if (width <= (int)fds[i])
2727 width = (int)fds[i] + 1;
2728 openssl_fdset((int)fds[i], &asyncfds);
2729 }
2730 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2731 OPENSSL_free(fds);
2732 #endif
2733 }
2734
2735 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2736 #if defined(OPENSSL_SYS_MSDOS)
has_stdin_waiting(void)2737 int has_stdin_waiting(void)
2738 {
2739 # if defined(OPENSSL_SYS_WINDOWS)
2740 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2741 DWORD events = 0;
2742 INPUT_RECORD inputrec;
2743 DWORD insize = 1;
2744 BOOL peeked;
2745
2746 if (inhand == INVALID_HANDLE_VALUE) {
2747 return 0;
2748 }
2749
2750 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2751 if (!peeked) {
2752 /* Probably redirected input? _kbhit() does not work in this case */
2753 if (!feof(stdin)) {
2754 return 1;
2755 }
2756 return 0;
2757 }
2758 # endif
2759 return _kbhit();
2760 }
2761 #endif
2762
2763 /* Corrupt a signature by modifying final byte */
corrupt_signature(const ASN1_STRING * signature)2764 void corrupt_signature(const ASN1_STRING *signature)
2765 {
2766 unsigned char *s = signature->data;
2767 s[signature->length - 1] ^= 0x1;
2768 }
2769
set_cert_times(X509 * x,const char * startdate,const char * enddate,int days)2770 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2771 int days)
2772 {
2773 if (startdate == NULL || strcmp(startdate, "today") == 0) {
2774 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2775 return 0;
2776 } else {
2777 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
2778 return 0;
2779 }
2780 if (enddate == NULL) {
2781 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2782 == NULL)
2783 return 0;
2784 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
2785 return 0;
2786 }
2787 return 1;
2788 }
2789
make_uppercase(char * string)2790 void make_uppercase(char *string)
2791 {
2792 int i;
2793
2794 for (i = 0; string[i] != '\0'; i++)
2795 string[i] = toupper((unsigned char)string[i]);
2796 }
2797