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