1 /* $OpenBSD: apps.c,v 1.62 2022/01/10 12:17:49 tb Exp $ */
2 /*
3 * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
18 * All rights reserved.
19 *
20 * This package is an SSL implementation written
21 * by Eric Young (eay@cryptsoft.com).
22 * The implementation was written so as to conform with Netscapes SSL.
23 *
24 * This library is free for commercial and non-commercial use as long as
25 * the following conditions are aheared to. The following conditions
26 * apply to all code found in this distribution, be it the RC4, RSA,
27 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
28 * included with this distribution is covered by the same copyright terms
29 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
30 *
31 * Copyright remains Eric Young's, and as such any Copyright notices in
32 * the code are not to be removed.
33 * If this package is used in a product, Eric Young should be given attribution
34 * as the author of the parts of the library used.
35 * This can be in the form of a textual message at program startup or
36 * in documentation (online or textual) provided with the package.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * "This product includes cryptographic software written by
49 * Eric Young (eay@cryptsoft.com)"
50 * The word 'cryptographic' can be left out if the rouines from the library
51 * being used are not cryptographic related :-).
52 * 4. If you include any Windows specific code (or a derivative thereof) from
53 * the apps directory (application code) you must include an acknowledgement:
54 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
55 *
56 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
59 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
66 * SUCH DAMAGE.
67 *
68 * The licence and distribution terms for any publically available version or
69 * derivative of this code cannot be changed. i.e. this code cannot simply be
70 * copied and put under another distribution licence
71 * [including the GNU Public Licence.]
72 */
73 /* ====================================================================
74 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
75 *
76 * Redistribution and use in source and binary forms, with or without
77 * modification, are permitted provided that the following conditions
78 * are met:
79 *
80 * 1. Redistributions of source code must retain the above copyright
81 * notice, this list of conditions and the following disclaimer.
82 *
83 * 2. Redistributions in binary form must reproduce the above copyright
84 * notice, this list of conditions and the following disclaimer in
85 * the documentation and/or other materials provided with the
86 * distribution.
87 *
88 * 3. All advertising materials mentioning features or use of this
89 * software must display the following acknowledgment:
90 * "This product includes software developed by the OpenSSL Project
91 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
92 *
93 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
94 * endorse or promote products derived from this software without
95 * prior written permission. For written permission, please contact
96 * openssl-core@openssl.org.
97 *
98 * 5. Products derived from this software may not be called "OpenSSL"
99 * nor may "OpenSSL" appear in their names without prior written
100 * permission of the OpenSSL Project.
101 *
102 * 6. Redistributions of any form whatsoever must retain the following
103 * acknowledgment:
104 * "This product includes software developed by the OpenSSL Project
105 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
106 *
107 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
108 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
109 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
110 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
111 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
112 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
113 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
114 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
115 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
116 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
117 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
118 * OF THE POSSIBILITY OF SUCH DAMAGE.
119 * ====================================================================
120 *
121 * This product includes cryptographic software written by Eric Young
122 * (eay@cryptsoft.com). This product includes software written by Tim
123 * Hudson (tjh@cryptsoft.com).
124 *
125 */
126
127 #include <sys/types.h>
128 #include <sys/stat.h>
129
130 #include <ctype.h>
131 #include <errno.h>
132 #include <stdio.h>
133 #include <stdlib.h>
134 #include <limits.h>
135 #include <string.h>
136 #include <unistd.h>
137
138 #include "apps.h"
139
140 #include <openssl/bn.h>
141 #include <openssl/err.h>
142 #include <openssl/pem.h>
143 #include <openssl/pkcs12.h>
144 #include <openssl/rsa.h>
145 #include <openssl/safestack.h>
146 #include <openssl/ssl.h>
147 #include <openssl/x509.h>
148 #include <openssl/x509v3.h>
149
150 typedef struct {
151 const char *name;
152 unsigned long flag;
153 unsigned long mask;
154 } NAME_EX_TBL;
155
156 UI_METHOD *ui_method = NULL;
157
158 static int set_table_opts(unsigned long *flags, const char *arg,
159 const NAME_EX_TBL *in_tbl);
160 static int set_multi_opts(unsigned long *flags, const char *arg,
161 const NAME_EX_TBL *in_tbl);
162
163 int
str2fmt(char * s)164 str2fmt(char *s)
165 {
166 if (s == NULL)
167 return FORMAT_UNDEF;
168 if ((*s == 'D') || (*s == 'd'))
169 return (FORMAT_ASN1);
170 else if ((*s == 'T') || (*s == 't'))
171 return (FORMAT_TEXT);
172 else if ((*s == 'S') || (*s == 's'))
173 return (FORMAT_SMIME);
174 else if ((*s == 'M') || (*s == 'm'))
175 return (FORMAT_MSBLOB);
176 else if ((*s == '1') ||
177 (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0) ||
178 (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
179 return (FORMAT_PKCS12);
180 else if ((*s == 'P') || (*s == 'p')) {
181 if (s[1] == 'V' || s[1] == 'v')
182 return FORMAT_PVK;
183 else
184 return (FORMAT_PEM);
185 } else
186 return (FORMAT_UNDEF);
187 }
188
189 void
program_name(char * in,char * out,int size)190 program_name(char *in, char *out, int size)
191 {
192 char *p;
193
194 p = strrchr(in, '/');
195 if (p != NULL)
196 p++;
197 else
198 p = in;
199 strlcpy(out, p, size);
200 }
201
202 int
chopup_args(ARGS * arg,char * buf,int * argc,char ** argv[])203 chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
204 {
205 int num, i;
206 char *p;
207
208 *argc = 0;
209 *argv = NULL;
210
211 if (arg->count == 0) {
212 arg->count = 20;
213 arg->data = reallocarray(NULL, arg->count, sizeof(char *));
214 if (arg->data == NULL)
215 return 0;
216 }
217 for (i = 0; i < arg->count; i++)
218 arg->data[i] = NULL;
219
220 num = 0;
221 p = buf;
222 for (;;) {
223 /* first scan over white space */
224 if (!*p)
225 break;
226 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
227 p++;
228 if (!*p)
229 break;
230
231 /* The start of something good :-) */
232 if (num >= arg->count) {
233 char **tmp_p;
234 int tlen = arg->count + 20;
235 tmp_p = reallocarray(arg->data, tlen, sizeof(char *));
236 if (tmp_p == NULL)
237 return 0;
238 arg->data = tmp_p;
239 arg->count = tlen;
240 /* initialize newly allocated data */
241 for (i = num; i < arg->count; i++)
242 arg->data[i] = NULL;
243 }
244 arg->data[num++] = p;
245
246 /* now look for the end of this */
247 if ((*p == '\'') || (*p == '\"')) { /* scan for closing
248 * quote */
249 i = *(p++);
250 arg->data[num - 1]++; /* jump over quote */
251 while (*p && (*p != i))
252 p++;
253 *p = '\0';
254 } else {
255 while (*p && ((*p != ' ') &&
256 (*p != '\t') && (*p != '\n')))
257 p++;
258
259 if (*p == '\0')
260 p--;
261 else
262 *p = '\0';
263 }
264 p++;
265 }
266 *argc = num;
267 *argv = arg->data;
268 return (1);
269 }
270
271 int
dump_cert_text(BIO * out,X509 * x)272 dump_cert_text(BIO *out, X509 *x)
273 {
274 char *p;
275
276 p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
277 BIO_puts(out, "subject=");
278 BIO_puts(out, p);
279 free(p);
280
281 p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
282 BIO_puts(out, "\nissuer=");
283 BIO_puts(out, p);
284 BIO_puts(out, "\n");
285 free(p);
286
287 return 0;
288 }
289
290 int
ui_open(UI * ui)291 ui_open(UI *ui)
292 {
293 return UI_method_get_opener(UI_OpenSSL()) (ui);
294 }
295
296 int
ui_read(UI * ui,UI_STRING * uis)297 ui_read(UI *ui, UI_STRING *uis)
298 {
299 const char *password;
300 int string_type;
301
302 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD &&
303 UI_get0_user_data(ui)) {
304 string_type = UI_get_string_type(uis);
305 if (string_type == UIT_PROMPT || string_type == UIT_VERIFY) {
306 password =
307 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
308 if (password && password[0] != '\0') {
309 UI_set_result(ui, uis, password);
310 return 1;
311 }
312 }
313 }
314 return UI_method_get_reader(UI_OpenSSL()) (ui, uis);
315 }
316
317 int
ui_write(UI * ui,UI_STRING * uis)318 ui_write(UI *ui, UI_STRING *uis)
319 {
320 const char *password;
321 int string_type;
322
323 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD &&
324 UI_get0_user_data(ui)) {
325 string_type = UI_get_string_type(uis);
326 if (string_type == UIT_PROMPT || string_type == UIT_VERIFY) {
327 password =
328 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
329 if (password && password[0] != '\0')
330 return 1;
331 }
332 }
333 return UI_method_get_writer(UI_OpenSSL()) (ui, uis);
334 }
335
336 int
ui_close(UI * ui)337 ui_close(UI *ui)
338 {
339 return UI_method_get_closer(UI_OpenSSL()) (ui);
340 }
341
342 int
password_callback(char * buf,int bufsiz,int verify,void * arg)343 password_callback(char *buf, int bufsiz, int verify, void *arg)
344 {
345 PW_CB_DATA *cb_tmp = arg;
346 UI *ui = NULL;
347 int res = 0;
348 const char *prompt_info = NULL;
349 const char *password = NULL;
350 PW_CB_DATA *cb_data = (PW_CB_DATA *) cb_tmp;
351
352 if (cb_data) {
353 if (cb_data->password)
354 password = cb_data->password;
355 if (cb_data->prompt_info)
356 prompt_info = cb_data->prompt_info;
357 }
358 if (password) {
359 res = strlen(password);
360 if (res > bufsiz)
361 res = bufsiz;
362 memcpy(buf, password, res);
363 return res;
364 }
365 ui = UI_new_method(ui_method);
366 if (ui) {
367 int ok = 0;
368 char *buff = NULL;
369 int ui_flags = 0;
370 char *prompt = NULL;
371
372 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
373
374 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
375 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
376
377 if (ok >= 0)
378 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
379 PW_MIN_LENGTH, bufsiz - 1);
380 if (ok >= 0 && verify) {
381 buff = malloc(bufsiz);
382 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
383 PW_MIN_LENGTH, bufsiz - 1, buf);
384 }
385 if (ok >= 0)
386 do {
387 ok = UI_process(ui);
388 } while (ok < 0 &&
389 UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
390
391 freezero(buff, (unsigned int) bufsiz);
392 if (ok >= 0)
393 res = strlen(buf);
394 if (ok == -1) {
395 BIO_printf(bio_err, "User interface error\n");
396 ERR_print_errors(bio_err);
397 explicit_bzero(buf, (unsigned int) bufsiz);
398 res = 0;
399 }
400 if (ok == -2) {
401 BIO_printf(bio_err, "aborted!\n");
402 explicit_bzero(buf, (unsigned int) bufsiz);
403 res = 0;
404 }
405 UI_free(ui);
406 free(prompt);
407 }
408 return res;
409 }
410
411 static char *app_get_pass(BIO *err, char *arg, int keepbio);
412
413 int
app_passwd(BIO * err,char * arg1,char * arg2,char ** pass1,char ** pass2)414 app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
415 {
416 int same;
417
418 if (!arg2 || !arg1 || strcmp(arg1, arg2))
419 same = 0;
420 else
421 same = 1;
422 if (arg1) {
423 *pass1 = app_get_pass(err, arg1, same);
424 if (!*pass1)
425 return 0;
426 } else if (pass1)
427 *pass1 = NULL;
428 if (arg2) {
429 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
430 if (!*pass2)
431 return 0;
432 } else if (pass2)
433 *pass2 = NULL;
434 return 1;
435 }
436
437 static char *
app_get_pass(BIO * err,char * arg,int keepbio)438 app_get_pass(BIO *err, char *arg, int keepbio)
439 {
440 char *tmp, tpass[APP_PASS_LEN];
441 static BIO *pwdbio = NULL;
442 const char *errstr = NULL;
443 int i;
444
445 if (!strncmp(arg, "pass:", 5))
446 return strdup(arg + 5);
447 if (!strncmp(arg, "env:", 4)) {
448 tmp = getenv(arg + 4);
449 if (!tmp) {
450 BIO_printf(err, "Can't read environment variable %s\n",
451 arg + 4);
452 return NULL;
453 }
454 return strdup(tmp);
455 }
456 if (!keepbio || !pwdbio) {
457 if (!strncmp(arg, "file:", 5)) {
458 pwdbio = BIO_new_file(arg + 5, "r");
459 if (!pwdbio) {
460 BIO_printf(err, "Can't open file %s\n",
461 arg + 5);
462 return NULL;
463 }
464 } else if (!strncmp(arg, "fd:", 3)) {
465 BIO *btmp;
466 i = strtonum(arg + 3, 0, INT_MAX, &errstr);
467 if (errstr) {
468 BIO_printf(err,
469 "Invalid file descriptor %s: %s\n",
470 arg, errstr);
471 return NULL;
472 }
473 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
474 if (!pwdbio) {
475 BIO_printf(err,
476 "Can't access file descriptor %s\n",
477 arg + 3);
478 return NULL;
479 }
480 /*
481 * Can't do BIO_gets on an fd BIO so add a buffering
482 * BIO
483 */
484 btmp = BIO_new(BIO_f_buffer());
485 pwdbio = BIO_push(btmp, pwdbio);
486 } else if (!strcmp(arg, "stdin")) {
487 pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
488 if (!pwdbio) {
489 BIO_printf(err, "Can't open BIO for stdin\n");
490 return NULL;
491 }
492 } else {
493 BIO_printf(err, "Invalid password argument \"%s\"\n",
494 arg);
495 return NULL;
496 }
497 }
498 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
499 if (keepbio != 1) {
500 BIO_free_all(pwdbio);
501 pwdbio = NULL;
502 }
503 if (i <= 0) {
504 BIO_printf(err, "Error reading password from BIO\n");
505 return NULL;
506 }
507 tmp = strchr(tpass, '\n');
508 if (tmp)
509 *tmp = 0;
510 return strdup(tpass);
511 }
512
513 int
add_oid_section(BIO * err,CONF * conf)514 add_oid_section(BIO *err, CONF *conf)
515 {
516 char *p;
517 STACK_OF(CONF_VALUE) *sktmp;
518 CONF_VALUE *cnf;
519 int i;
520
521 if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
522 ERR_clear_error();
523 return 1;
524 }
525 if (!(sktmp = NCONF_get_section(conf, p))) {
526 BIO_printf(err, "problem loading oid section %s\n", p);
527 return 0;
528 }
529 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
530 cnf = sk_CONF_VALUE_value(sktmp, i);
531 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
532 BIO_printf(err, "problem creating object %s=%s\n",
533 cnf->name, cnf->value);
534 return 0;
535 }
536 }
537 return 1;
538 }
539
540 static int
load_pkcs12(BIO * err,BIO * in,const char * desc,pem_password_cb * pem_cb,void * cb_data,EVP_PKEY ** pkey,X509 ** cert,STACK_OF (X509)** ca)541 load_pkcs12(BIO *err, BIO *in, const char *desc, pem_password_cb *pem_cb,
542 void *cb_data, EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
543 {
544 const char *pass;
545 char tpass[PEM_BUFSIZE];
546 int len, ret = 0;
547 PKCS12 *p12;
548
549 p12 = d2i_PKCS12_bio(in, NULL);
550 if (p12 == NULL) {
551 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
552 goto die;
553 }
554 /* See if an empty password will do */
555 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
556 pass = "";
557 else {
558 if (!pem_cb)
559 pem_cb = password_callback;
560 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
561 if (len < 0) {
562 BIO_printf(err, "Passpharse callback error for %s\n",
563 desc);
564 goto die;
565 }
566 if (len < PEM_BUFSIZE)
567 tpass[len] = 0;
568 if (!PKCS12_verify_mac(p12, tpass, len)) {
569 BIO_printf(err,
570 "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
571 goto die;
572 }
573 pass = tpass;
574 }
575 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
576
577 die:
578 PKCS12_free(p12);
579 return ret;
580 }
581
582 X509 *
load_cert(BIO * err,const char * file,int format,const char * pass,const char * cert_descrip)583 load_cert(BIO *err, const char *file, int format, const char *pass,
584 const char *cert_descrip)
585 {
586 X509 *x = NULL;
587 BIO *cert;
588
589 if ((cert = BIO_new(BIO_s_file())) == NULL) {
590 ERR_print_errors(err);
591 goto end;
592 }
593 if (file == NULL) {
594 setvbuf(stdin, NULL, _IONBF, 0);
595 BIO_set_fp(cert, stdin, BIO_NOCLOSE);
596 } else {
597 if (BIO_read_filename(cert, file) <= 0) {
598 BIO_printf(err, "Error opening %s %s\n",
599 cert_descrip, file);
600 ERR_print_errors(err);
601 goto end;
602 }
603 }
604
605 if (format == FORMAT_ASN1)
606 x = d2i_X509_bio(cert, NULL);
607 else if (format == FORMAT_PEM)
608 x = PEM_read_bio_X509_AUX(cert, NULL, password_callback, NULL);
609 else if (format == FORMAT_PKCS12) {
610 if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL,
611 NULL, &x, NULL))
612 goto end;
613 } else {
614 BIO_printf(err, "bad input format specified for %s\n",
615 cert_descrip);
616 goto end;
617 }
618
619 end:
620 if (x == NULL) {
621 BIO_printf(err, "unable to load certificate\n");
622 ERR_print_errors(err);
623 }
624 BIO_free(cert);
625 return (x);
626 }
627
628 EVP_PKEY *
load_key(BIO * err,const char * file,int format,int maybe_stdin,const char * pass,const char * key_descrip)629 load_key(BIO *err, const char *file, int format, int maybe_stdin,
630 const char *pass, const char *key_descrip)
631 {
632 BIO *key = NULL;
633 EVP_PKEY *pkey = NULL;
634 PW_CB_DATA cb_data;
635
636 cb_data.password = pass;
637 cb_data.prompt_info = file;
638
639 if (file == NULL && (!maybe_stdin)) {
640 BIO_printf(err, "no keyfile specified\n");
641 goto end;
642 }
643 key = BIO_new(BIO_s_file());
644 if (key == NULL) {
645 ERR_print_errors(err);
646 goto end;
647 }
648 if (file == NULL && maybe_stdin) {
649 setvbuf(stdin, NULL, _IONBF, 0);
650 BIO_set_fp(key, stdin, BIO_NOCLOSE);
651 } else if (BIO_read_filename(key, file) <= 0) {
652 BIO_printf(err, "Error opening %s %s\n",
653 key_descrip, file);
654 ERR_print_errors(err);
655 goto end;
656 }
657 if (format == FORMAT_ASN1) {
658 pkey = d2i_PrivateKey_bio(key, NULL);
659 } else if (format == FORMAT_PEM) {
660 pkey = PEM_read_bio_PrivateKey(key, NULL, password_callback, &cb_data);
661 }
662 else if (format == FORMAT_PKCS12) {
663 if (!load_pkcs12(err, key, key_descrip, password_callback, &cb_data,
664 &pkey, NULL, NULL))
665 goto end;
666 }
667 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
668 else if (format == FORMAT_MSBLOB)
669 pkey = b2i_PrivateKey_bio(key);
670 else if (format == FORMAT_PVK)
671 pkey = b2i_PVK_bio(key, password_callback,
672 &cb_data);
673 #endif
674 else {
675 BIO_printf(err, "bad input format specified for key file\n");
676 goto end;
677 }
678 end:
679 BIO_free(key);
680 if (pkey == NULL) {
681 BIO_printf(err, "unable to load %s\n", key_descrip);
682 ERR_print_errors(err);
683 }
684 return (pkey);
685 }
686
687 EVP_PKEY *
load_pubkey(BIO * err,const char * file,int format,int maybe_stdin,const char * pass,const char * key_descrip)688 load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
689 const char *pass, const char *key_descrip)
690 {
691 BIO *key = NULL;
692 EVP_PKEY *pkey = NULL;
693 PW_CB_DATA cb_data;
694
695 cb_data.password = pass;
696 cb_data.prompt_info = file;
697
698 if (file == NULL && !maybe_stdin) {
699 BIO_printf(err, "no keyfile specified\n");
700 goto end;
701 }
702 key = BIO_new(BIO_s_file());
703 if (key == NULL) {
704 ERR_print_errors(err);
705 goto end;
706 }
707 if (file == NULL && maybe_stdin) {
708 setvbuf(stdin, NULL, _IONBF, 0);
709 BIO_set_fp(key, stdin, BIO_NOCLOSE);
710 } else if (BIO_read_filename(key, file) <= 0) {
711 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
712 ERR_print_errors(err);
713 goto end;
714 }
715 if (format == FORMAT_ASN1) {
716 pkey = d2i_PUBKEY_bio(key, NULL);
717 }
718 else if (format == FORMAT_ASN1RSA) {
719 RSA *rsa;
720 rsa = d2i_RSAPublicKey_bio(key, NULL);
721 if (rsa) {
722 pkey = EVP_PKEY_new();
723 if (pkey)
724 EVP_PKEY_set1_RSA(pkey, rsa);
725 RSA_free(rsa);
726 } else
727 pkey = NULL;
728 } else if (format == FORMAT_PEMRSA) {
729 RSA *rsa;
730 rsa = PEM_read_bio_RSAPublicKey(key, NULL, password_callback, &cb_data);
731 if (rsa) {
732 pkey = EVP_PKEY_new();
733 if (pkey)
734 EVP_PKEY_set1_RSA(pkey, rsa);
735 RSA_free(rsa);
736 } else
737 pkey = NULL;
738 }
739 else if (format == FORMAT_PEM) {
740 pkey = PEM_read_bio_PUBKEY(key, NULL, password_callback, &cb_data);
741 }
742 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
743 else if (format == FORMAT_MSBLOB)
744 pkey = b2i_PublicKey_bio(key);
745 #endif
746 else {
747 BIO_printf(err, "bad input format specified for key file\n");
748 goto end;
749 }
750
751 end:
752 BIO_free(key);
753 if (pkey == NULL)
754 BIO_printf(err, "unable to load %s\n", key_descrip);
755 return (pkey);
756 }
757
758 static int
load_certs_crls(BIO * err,const char * file,int format,const char * pass,const char * desc,STACK_OF (X509)** pcerts,STACK_OF (X509_CRL)** pcrls)759 load_certs_crls(BIO *err, const char *file, int format, const char *pass,
760 const char *desc, STACK_OF(X509) **pcerts,
761 STACK_OF(X509_CRL) **pcrls)
762 {
763 int i;
764 BIO *bio;
765 STACK_OF(X509_INFO) *xis = NULL;
766 X509_INFO *xi;
767 PW_CB_DATA cb_data;
768 int rv = 0;
769
770 cb_data.password = pass;
771 cb_data.prompt_info = file;
772
773 if (format != FORMAT_PEM) {
774 BIO_printf(err, "bad input format specified for %s\n", desc);
775 return 0;
776 }
777 if (file == NULL)
778 bio = BIO_new_fp(stdin, BIO_NOCLOSE);
779 else
780 bio = BIO_new_file(file, "r");
781
782 if (bio == NULL) {
783 BIO_printf(err, "Error opening %s %s\n",
784 desc, file ? file : "stdin");
785 ERR_print_errors(err);
786 return 0;
787 }
788 xis = PEM_X509_INFO_read_bio(bio, NULL, password_callback, &cb_data);
789
790 BIO_free(bio);
791
792 if (pcerts) {
793 *pcerts = sk_X509_new_null();
794 if (!*pcerts)
795 goto end;
796 }
797 if (pcrls) {
798 *pcrls = sk_X509_CRL_new_null();
799 if (!*pcrls)
800 goto end;
801 }
802 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
803 xi = sk_X509_INFO_value(xis, i);
804 if (xi->x509 && pcerts) {
805 if (!sk_X509_push(*pcerts, xi->x509))
806 goto end;
807 xi->x509 = NULL;
808 }
809 if (xi->crl && pcrls) {
810 if (!sk_X509_CRL_push(*pcrls, xi->crl))
811 goto end;
812 xi->crl = NULL;
813 }
814 }
815
816 if (pcerts && sk_X509_num(*pcerts) > 0)
817 rv = 1;
818
819 if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
820 rv = 1;
821
822 end:
823 sk_X509_INFO_pop_free(xis, X509_INFO_free);
824
825 if (rv == 0) {
826 if (pcerts) {
827 sk_X509_pop_free(*pcerts, X509_free);
828 *pcerts = NULL;
829 }
830 if (pcrls) {
831 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
832 *pcrls = NULL;
833 }
834 BIO_printf(err, "unable to load %s\n",
835 pcerts ? "certificates" : "CRLs");
836 ERR_print_errors(err);
837 }
838 return rv;
839 }
840
STACK_OF(X509)841 STACK_OF(X509) *
842 load_certs(BIO *err, const char *file, int format, const char *pass,
843 const char *desc)
844 {
845 STACK_OF(X509) *certs;
846
847 if (!load_certs_crls(err, file, format, pass, desc, &certs, NULL))
848 return NULL;
849 return certs;
850 }
851
STACK_OF(X509_CRL)852 STACK_OF(X509_CRL) *
853 load_crls(BIO *err, const char *file, int format, const char *pass,
854 const char *desc)
855 {
856 STACK_OF(X509_CRL) *crls;
857
858 if (!load_certs_crls(err, file, format, pass, desc, NULL, &crls))
859 return NULL;
860 return crls;
861 }
862
863 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
864 /* Return error for unknown extensions */
865 #define X509V3_EXT_DEFAULT 0
866 /* Print error for unknown extensions */
867 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
868 /* ASN1 parse unknown extensions */
869 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
870 /* BIO_dump unknown extensions */
871 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
872
873 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
874 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
875
876 int
set_cert_ex(unsigned long * flags,const char * arg)877 set_cert_ex(unsigned long *flags, const char *arg)
878 {
879 static const NAME_EX_TBL cert_tbl[] = {
880 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
881 {"ca_default", X509_FLAG_CA, 0xffffffffl},
882 {"no_header", X509_FLAG_NO_HEADER, 0},
883 {"no_version", X509_FLAG_NO_VERSION, 0},
884 {"no_serial", X509_FLAG_NO_SERIAL, 0},
885 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
886 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
887 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
888 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
889 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
890 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
891 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
892 {"no_aux", X509_FLAG_NO_AUX, 0},
893 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
894 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
895 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
896 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
897 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
898 {NULL, 0, 0}
899 };
900 return set_multi_opts(flags, arg, cert_tbl);
901 }
902
903 int
set_name_ex(unsigned long * flags,const char * arg)904 set_name_ex(unsigned long *flags, const char *arg)
905 {
906 static const NAME_EX_TBL ex_tbl[] = {
907 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
908 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
909 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
910 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
911 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
912 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
913 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
914 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
915 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
916 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
917 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
918 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
919 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
920 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
921 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
922 {"dn_rev", XN_FLAG_DN_REV, 0},
923 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
924 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
925 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
926 {"align", XN_FLAG_FN_ALIGN, 0},
927 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
928 {"space_eq", XN_FLAG_SPC_EQ, 0},
929 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
930 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
931 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
932 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
933 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
934 {NULL, 0, 0}
935 };
936 return set_multi_opts(flags, arg, ex_tbl);
937 }
938
939 int
set_ext_copy(int * copy_type,const char * arg)940 set_ext_copy(int *copy_type, const char *arg)
941 {
942 if (!strcasecmp(arg, "none"))
943 *copy_type = EXT_COPY_NONE;
944 else if (!strcasecmp(arg, "copy"))
945 *copy_type = EXT_COPY_ADD;
946 else if (!strcasecmp(arg, "copyall"))
947 *copy_type = EXT_COPY_ALL;
948 else
949 return 0;
950 return 1;
951 }
952
953 int
copy_extensions(X509 * x,X509_REQ * req,int copy_type)954 copy_extensions(X509 *x, X509_REQ *req, int copy_type)
955 {
956 STACK_OF(X509_EXTENSION) *exts = NULL;
957 X509_EXTENSION *ext, *tmpext;
958 ASN1_OBJECT *obj;
959 int i, idx, ret = 0;
960
961 if (!x || !req || (copy_type == EXT_COPY_NONE))
962 return 1;
963 exts = X509_REQ_get_extensions(req);
964
965 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
966 ext = sk_X509_EXTENSION_value(exts, i);
967 obj = X509_EXTENSION_get_object(ext);
968 idx = X509_get_ext_by_OBJ(x, obj, -1);
969 /* Does extension exist? */
970 if (idx != -1) {
971 /* If normal copy don't override existing extension */
972 if (copy_type == EXT_COPY_ADD)
973 continue;
974 /* Delete all extensions of same type */
975 do {
976 tmpext = X509_get_ext(x, idx);
977 X509_delete_ext(x, idx);
978 X509_EXTENSION_free(tmpext);
979 idx = X509_get_ext_by_OBJ(x, obj, -1);
980 } while (idx != -1);
981 }
982 if (!X509_add_ext(x, ext, -1))
983 goto end;
984 }
985
986 ret = 1;
987
988 end:
989 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
990
991 return ret;
992 }
993
994 static int
set_multi_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)995 set_multi_opts(unsigned long *flags, const char *arg,
996 const NAME_EX_TBL *in_tbl)
997 {
998 STACK_OF(CONF_VALUE) *vals;
999 CONF_VALUE *val;
1000 int i, ret = 1;
1001
1002 if (!arg)
1003 return 0;
1004 vals = X509V3_parse_list(arg);
1005 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1006 val = sk_CONF_VALUE_value(vals, i);
1007 if (!set_table_opts(flags, val->name, in_tbl))
1008 ret = 0;
1009 }
1010 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1011 return ret;
1012 }
1013
1014 static int
set_table_opts(unsigned long * flags,const char * arg,const NAME_EX_TBL * in_tbl)1015 set_table_opts(unsigned long *flags, const char *arg,
1016 const NAME_EX_TBL *in_tbl)
1017 {
1018 char c;
1019 const NAME_EX_TBL *ptbl;
1020
1021 c = arg[0];
1022 if (c == '-') {
1023 c = 0;
1024 arg++;
1025 } else if (c == '+') {
1026 c = 1;
1027 arg++;
1028 } else
1029 c = 1;
1030
1031 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1032 if (!strcasecmp(arg, ptbl->name)) {
1033 *flags &= ~ptbl->mask;
1034 if (c)
1035 *flags |= ptbl->flag;
1036 else
1037 *flags &= ~ptbl->flag;
1038 return 1;
1039 }
1040 }
1041 return 0;
1042 }
1043
1044 void
print_name(BIO * out,const char * title,X509_NAME * nm,unsigned long lflags)1045 print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1046 {
1047 char *buf;
1048 char mline = 0;
1049 int indent = 0;
1050
1051 if (title)
1052 BIO_puts(out, title);
1053 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1054 mline = 1;
1055 indent = 4;
1056 }
1057 if (lflags == XN_FLAG_COMPAT) {
1058 buf = X509_NAME_oneline(nm, 0, 0);
1059 BIO_puts(out, buf);
1060 BIO_puts(out, "\n");
1061 free(buf);
1062 } else {
1063 if (mline)
1064 BIO_puts(out, "\n");
1065 X509_NAME_print_ex(out, nm, indent, lflags);
1066 BIO_puts(out, "\n");
1067 }
1068 }
1069
1070 X509_STORE *
setup_verify(BIO * bp,char * CAfile,char * CApath)1071 setup_verify(BIO *bp, char *CAfile, char *CApath)
1072 {
1073 X509_STORE *store;
1074 X509_LOOKUP *lookup;
1075
1076 if (!(store = X509_STORE_new()))
1077 goto end;
1078 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1079 if (lookup == NULL)
1080 goto end;
1081 if (CAfile) {
1082 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1083 BIO_printf(bp, "Error loading file %s\n", CAfile);
1084 goto end;
1085 }
1086 } else
1087 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1088
1089 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1090 if (lookup == NULL)
1091 goto end;
1092 if (CApath) {
1093 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1094 BIO_printf(bp, "Error loading directory %s\n", CApath);
1095 goto end;
1096 }
1097 } else
1098 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1099
1100 ERR_clear_error();
1101 return store;
1102
1103 end:
1104 X509_STORE_free(store);
1105 return NULL;
1106 }
1107
1108 int
load_config(BIO * err,CONF * cnf)1109 load_config(BIO *err, CONF *cnf)
1110 {
1111 static int load_config_called = 0;
1112
1113 if (load_config_called)
1114 return 1;
1115 load_config_called = 1;
1116 if (cnf == NULL)
1117 cnf = config;
1118 if (cnf == NULL)
1119 return 1;
1120
1121 OPENSSL_load_builtin_modules();
1122
1123 if (CONF_modules_load(cnf, NULL, 0) <= 0) {
1124 BIO_printf(err, "Error configuring OpenSSL\n");
1125 ERR_print_errors(err);
1126 return 0;
1127 }
1128 return 1;
1129 }
1130
1131 char *
make_config_name()1132 make_config_name()
1133 {
1134 const char *t = X509_get_default_cert_area();
1135 char *p;
1136
1137 if (asprintf(&p, "%s/openssl.cnf", t) == -1)
1138 return NULL;
1139 return p;
1140 }
1141
1142 static unsigned long
index_serial_hash(const OPENSSL_CSTRING * a)1143 index_serial_hash(const OPENSSL_CSTRING *a)
1144 {
1145 const char *n;
1146
1147 n = a[DB_serial];
1148 while (*n == '0')
1149 n++;
1150 return (lh_strhash(n));
1151 }
1152
1153 static int
index_serial_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1154 index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1155 {
1156 const char *aa, *bb;
1157
1158 for (aa = a[DB_serial]; *aa == '0'; aa++)
1159 ;
1160 for (bb = b[DB_serial]; *bb == '0'; bb++)
1161 ;
1162 return (strcmp(aa, bb));
1163 }
1164
1165 static int
index_name_qual(char ** a)1166 index_name_qual(char **a)
1167 {
1168 return (a[0][0] == 'V');
1169 }
1170
1171 static unsigned long
index_name_hash(const OPENSSL_CSTRING * a)1172 index_name_hash(const OPENSSL_CSTRING *a)
1173 {
1174 return (lh_strhash(a[DB_name]));
1175 }
1176
1177 int
index_name_cmp(const OPENSSL_CSTRING * a,const OPENSSL_CSTRING * b)1178 index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1179 {
1180 return (strcmp(a[DB_name], b[DB_name]));
1181 }
1182
IMPLEMENT_LHASH_HASH_FN(index_serial,OPENSSL_CSTRING)1183 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1184 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1185 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1186 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1187
1188 BIGNUM *
1189 load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1190 {
1191 BIO *in = NULL;
1192 BIGNUM *ret = NULL;
1193 char buf[1024];
1194 ASN1_INTEGER *ai = NULL;
1195
1196 ai = ASN1_INTEGER_new();
1197 if (ai == NULL)
1198 goto err;
1199
1200 if ((in = BIO_new(BIO_s_file())) == NULL) {
1201 ERR_print_errors(bio_err);
1202 goto err;
1203 }
1204 if (BIO_read_filename(in, serialfile) <= 0) {
1205 if (!create) {
1206 perror(serialfile);
1207 goto err;
1208 } else {
1209 ret = BN_new();
1210 if (ret == NULL || !rand_serial(ret, ai))
1211 BIO_printf(bio_err, "Out of memory\n");
1212 }
1213 } else {
1214 if (!a2i_ASN1_INTEGER(in, ai, buf, sizeof buf)) {
1215 BIO_printf(bio_err, "unable to load number from %s\n",
1216 serialfile);
1217 goto err;
1218 }
1219 ret = ASN1_INTEGER_to_BN(ai, NULL);
1220 if (ret == NULL) {
1221 BIO_printf(bio_err,
1222 "error converting number from bin to BIGNUM\n");
1223 goto err;
1224 }
1225 }
1226
1227 if (ret && retai) {
1228 *retai = ai;
1229 ai = NULL;
1230 }
1231
1232 err:
1233 BIO_free(in);
1234 ASN1_INTEGER_free(ai);
1235 return (ret);
1236 }
1237
1238 int
save_serial(char * serialfile,char * suffix,BIGNUM * serial,ASN1_INTEGER ** retai)1239 save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1240 ASN1_INTEGER **retai)
1241 {
1242 char serialpath[PATH_MAX];
1243 BIO *out = NULL;
1244 int ret = 0, n;
1245 ASN1_INTEGER *ai = NULL;
1246
1247 if (suffix == NULL)
1248 n = strlcpy(serialpath, serialfile, sizeof serialpath);
1249 else
1250 n = snprintf(serialpath, sizeof serialpath, "%s.%s",
1251 serialfile, suffix);
1252 if (n < 0 || n >= sizeof(serialpath)) {
1253 BIO_printf(bio_err, "serial too long\n");
1254 goto err;
1255 }
1256 out = BIO_new(BIO_s_file());
1257 if (out == NULL) {
1258 ERR_print_errors(bio_err);
1259 goto err;
1260 }
1261 if (BIO_write_filename(out, serialpath) <= 0) {
1262 perror(serialfile);
1263 goto err;
1264 }
1265 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1266 BIO_printf(bio_err,
1267 "error converting serial to ASN.1 format\n");
1268 goto err;
1269 }
1270 i2a_ASN1_INTEGER(out, ai);
1271 BIO_puts(out, "\n");
1272 ret = 1;
1273 if (retai) {
1274 *retai = ai;
1275 ai = NULL;
1276 }
1277
1278 err:
1279 BIO_free_all(out);
1280 ASN1_INTEGER_free(ai);
1281 return (ret);
1282 }
1283
1284 int
rotate_serial(char * serialfile,char * new_suffix,char * old_suffix)1285 rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1286 {
1287 char opath[PATH_MAX], npath[PATH_MAX];
1288
1289 if (snprintf(npath, sizeof npath, "%s.%s", serialfile,
1290 new_suffix) >= sizeof npath) {
1291 BIO_printf(bio_err, "file name too long\n");
1292 goto err;
1293 }
1294
1295 if (snprintf(opath, sizeof opath, "%s.%s", serialfile,
1296 old_suffix) >= sizeof opath) {
1297 BIO_printf(bio_err, "file name too long\n");
1298 goto err;
1299 }
1300
1301 if (rename(serialfile, opath) == -1 &&
1302 errno != ENOENT && errno != ENOTDIR) {
1303 BIO_printf(bio_err, "unable to rename %s to %s\n",
1304 serialfile, opath);
1305 perror("reason");
1306 goto err;
1307 }
1308
1309
1310 if (rename(npath, serialfile) == -1) {
1311 BIO_printf(bio_err, "unable to rename %s to %s\n",
1312 npath, serialfile);
1313 perror("reason");
1314 if (rename(opath, serialfile) == -1) {
1315 BIO_printf(bio_err, "unable to rename %s to %s\n",
1316 opath, serialfile);
1317 perror("reason");
1318 }
1319 goto err;
1320 }
1321 return 1;
1322
1323 err:
1324 return 0;
1325 }
1326
1327 int
rand_serial(BIGNUM * b,ASN1_INTEGER * ai)1328 rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1329 {
1330 BIGNUM *btmp;
1331 int ret = 0;
1332
1333 if (b)
1334 btmp = b;
1335 else
1336 btmp = BN_new();
1337
1338 if (!btmp)
1339 return 0;
1340
1341 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1342 goto error;
1343 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1344 goto error;
1345
1346 ret = 1;
1347
1348 error:
1349 if (b != btmp)
1350 BN_free(btmp);
1351
1352 return ret;
1353 }
1354
1355 CA_DB *
load_index(char * dbfile,DB_ATTR * db_attr)1356 load_index(char *dbfile, DB_ATTR *db_attr)
1357 {
1358 CA_DB *retdb = NULL;
1359 TXT_DB *tmpdb = NULL;
1360 BIO *in = BIO_new(BIO_s_file());
1361 CONF *dbattr_conf = NULL;
1362 char attrpath[PATH_MAX];
1363 long errorline = -1;
1364
1365 if (in == NULL) {
1366 ERR_print_errors(bio_err);
1367 goto err;
1368 }
1369 if (BIO_read_filename(in, dbfile) <= 0) {
1370 perror(dbfile);
1371 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1372 goto err;
1373 }
1374 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1375 goto err;
1376
1377 if (snprintf(attrpath, sizeof attrpath, "%s.attr", dbfile)
1378 >= sizeof attrpath) {
1379 BIO_printf(bio_err, "attr filename too long\n");
1380 goto err;
1381 }
1382
1383 dbattr_conf = NCONF_new(NULL);
1384 if (NCONF_load(dbattr_conf, attrpath, &errorline) <= 0) {
1385 if (errorline > 0) {
1386 BIO_printf(bio_err,
1387 "error on line %ld of db attribute file '%s'\n",
1388 errorline, attrpath);
1389 goto err;
1390 } else {
1391 NCONF_free(dbattr_conf);
1392 dbattr_conf = NULL;
1393 }
1394 }
1395 if ((retdb = malloc(sizeof(CA_DB))) == NULL) {
1396 fprintf(stderr, "Out of memory\n");
1397 goto err;
1398 }
1399 retdb->db = tmpdb;
1400 tmpdb = NULL;
1401 if (db_attr)
1402 retdb->attributes = *db_attr;
1403 else {
1404 retdb->attributes.unique_subject = 1;
1405 }
1406
1407 if (dbattr_conf) {
1408 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1409 if (p) {
1410 retdb->attributes.unique_subject = parse_yesno(p, 1);
1411 }
1412 }
1413
1414 err:
1415 NCONF_free(dbattr_conf);
1416 TXT_DB_free(tmpdb);
1417 BIO_free_all(in);
1418 return retdb;
1419 }
1420
1421 int
index_index(CA_DB * db)1422 index_index(CA_DB *db)
1423 {
1424 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1425 LHASH_HASH_FN(index_serial), LHASH_COMP_FN(index_serial))) {
1426 BIO_printf(bio_err,
1427 "error creating serial number index:(%ld,%ld,%ld)\n",
1428 db->db->error, db->db->arg1, db->db->arg2);
1429 return 0;
1430 }
1431 if (db->attributes.unique_subject &&
1432 !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1433 LHASH_HASH_FN(index_name), LHASH_COMP_FN(index_name))) {
1434 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1435 db->db->error, db->db->arg1, db->db->arg2);
1436 return 0;
1437 }
1438 return 1;
1439 }
1440
1441 int
save_index(const char * file,const char * suffix,CA_DB * db)1442 save_index(const char *file, const char *suffix, CA_DB *db)
1443 {
1444 char attrpath[PATH_MAX], dbfile[PATH_MAX];
1445 BIO *out = BIO_new(BIO_s_file());
1446 int j;
1447
1448 if (out == NULL) {
1449 ERR_print_errors(bio_err);
1450 goto err;
1451 }
1452 if (snprintf(attrpath, sizeof attrpath, "%s.attr.%s",
1453 file, suffix) >= sizeof attrpath) {
1454 BIO_printf(bio_err, "file name too long\n");
1455 goto err;
1456 }
1457 if (snprintf(dbfile, sizeof dbfile, "%s.%s",
1458 file, suffix) >= sizeof dbfile) {
1459 BIO_printf(bio_err, "file name too long\n");
1460 goto err;
1461 }
1462
1463 if (BIO_write_filename(out, dbfile) <= 0) {
1464 perror(dbfile);
1465 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1466 goto err;
1467 }
1468 j = TXT_DB_write(out, db->db);
1469 if (j <= 0)
1470 goto err;
1471
1472 BIO_free(out);
1473
1474 out = BIO_new(BIO_s_file());
1475
1476 if (BIO_write_filename(out, attrpath) <= 0) {
1477 perror(attrpath);
1478 BIO_printf(bio_err, "unable to open '%s'\n", attrpath);
1479 goto err;
1480 }
1481 BIO_printf(out, "unique_subject = %s\n",
1482 db->attributes.unique_subject ? "yes" : "no");
1483 BIO_free(out);
1484
1485 return 1;
1486
1487 err:
1488 return 0;
1489 }
1490
1491 int
rotate_index(const char * dbfile,const char * new_suffix,const char * old_suffix)1492 rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1493 {
1494 char attrpath[PATH_MAX], nattrpath[PATH_MAX], oattrpath[PATH_MAX];
1495 char dbpath[PATH_MAX], odbpath[PATH_MAX];
1496
1497 if (snprintf(attrpath, sizeof attrpath, "%s.attr",
1498 dbfile) >= sizeof attrpath) {
1499 BIO_printf(bio_err, "file name too long\n");
1500 goto err;
1501 }
1502 if (snprintf(nattrpath, sizeof nattrpath, "%s.attr.%s",
1503 dbfile, new_suffix) >= sizeof nattrpath) {
1504 BIO_printf(bio_err, "file name too long\n");
1505 goto err;
1506 }
1507 if (snprintf(oattrpath, sizeof oattrpath, "%s.attr.%s",
1508 dbfile, old_suffix) >= sizeof oattrpath) {
1509 BIO_printf(bio_err, "file name too long\n");
1510 goto err;
1511 }
1512 if (snprintf(dbpath, sizeof dbpath, "%s.%s",
1513 dbfile, new_suffix) >= sizeof dbpath) {
1514 BIO_printf(bio_err, "file name too long\n");
1515 goto err;
1516 }
1517 if (snprintf(odbpath, sizeof odbpath, "%s.%s",
1518 dbfile, old_suffix) >= sizeof odbpath) {
1519 BIO_printf(bio_err, "file name too long\n");
1520 goto err;
1521 }
1522
1523 if (rename(dbfile, odbpath) == -1 && errno != ENOENT && errno != ENOTDIR) {
1524 BIO_printf(bio_err, "unable to rename %s to %s\n",
1525 dbfile, odbpath);
1526 perror("reason");
1527 goto err;
1528 }
1529
1530 if (rename(dbpath, dbfile) == -1) {
1531 BIO_printf(bio_err, "unable to rename %s to %s\n",
1532 dbpath, dbfile);
1533 perror("reason");
1534 if (rename(odbpath, dbfile) == -1) {
1535 BIO_printf(bio_err, "unable to rename %s to %s\n",
1536 odbpath, dbfile);
1537 perror("reason");
1538 }
1539 goto err;
1540 }
1541
1542 if (rename(attrpath, oattrpath) == -1 && errno != ENOENT && errno != ENOTDIR) {
1543 BIO_printf(bio_err, "unable to rename %s to %s\n",
1544 attrpath, oattrpath);
1545 perror("reason");
1546 if (rename(dbfile, dbpath) == -1) {
1547 BIO_printf(bio_err, "unable to rename %s to %s\n",
1548 dbfile, dbpath);
1549 perror("reason");
1550 }
1551 if (rename(odbpath, dbfile) == -1) {
1552 BIO_printf(bio_err, "unable to rename %s to %s\n",
1553 odbpath, dbfile);
1554 perror("reason");
1555 }
1556 goto err;
1557 }
1558
1559 if (rename(nattrpath, attrpath) == -1) {
1560 BIO_printf(bio_err, "unable to rename %s to %s\n",
1561 nattrpath, attrpath);
1562 perror("reason");
1563 if (rename(oattrpath, attrpath) == -1) {
1564 BIO_printf(bio_err, "unable to rename %s to %s\n",
1565 oattrpath, attrpath);
1566 perror("reason");
1567 }
1568 if (rename(dbfile, dbpath) == -1) {
1569 BIO_printf(bio_err, "unable to rename %s to %s\n",
1570 dbfile, dbpath);
1571 perror("reason");
1572 }
1573 if (rename(odbpath, dbfile) == -1) {
1574 BIO_printf(bio_err, "unable to rename %s to %s\n",
1575 odbpath, dbfile);
1576 perror("reason");
1577 }
1578 goto err;
1579 }
1580 return 1;
1581
1582 err:
1583 return 0;
1584 }
1585
1586 void
free_index(CA_DB * db)1587 free_index(CA_DB *db)
1588 {
1589 if (db) {
1590 TXT_DB_free(db->db);
1591 free(db);
1592 }
1593 }
1594
1595 int
parse_yesno(const char * str,int def)1596 parse_yesno(const char *str, int def)
1597 {
1598 int ret = def;
1599
1600 if (str) {
1601 switch (*str) {
1602 case 'f': /* false */
1603 case 'F': /* FALSE */
1604 case 'n': /* no */
1605 case 'N': /* NO */
1606 case '0': /* 0 */
1607 ret = 0;
1608 break;
1609 case 't': /* true */
1610 case 'T': /* TRUE */
1611 case 'y': /* yes */
1612 case 'Y': /* YES */
1613 case '1': /* 1 */
1614 ret = 1;
1615 break;
1616 default:
1617 ret = def;
1618 break;
1619 }
1620 }
1621 return ret;
1622 }
1623
1624 /*
1625 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1626 * where characters may be escaped by \
1627 */
1628 X509_NAME *
parse_name(char * subject,long chtype,int multirdn)1629 parse_name(char *subject, long chtype, int multirdn)
1630 {
1631 X509_NAME *name = NULL;
1632 size_t buflen, max_ne;
1633 char **ne_types, **ne_values;
1634 char *buf, *bp, *sp;
1635 int i, nid, ne_num = 0;
1636 int *mval;
1637
1638 /*
1639 * Buffer to copy the types and values into. Due to escaping the
1640 * copy can only become shorter.
1641 */
1642 buflen = strlen(subject) + 1;
1643 buf = malloc(buflen);
1644
1645 /* Maximum number of name elements. */
1646 max_ne = buflen / 2 + 1;
1647 ne_types = reallocarray(NULL, max_ne, sizeof(char *));
1648 ne_values = reallocarray(NULL, max_ne, sizeof(char *));
1649 mval = reallocarray(NULL, max_ne, sizeof(int));
1650
1651 if (buf == NULL || ne_types == NULL || ne_values == NULL ||
1652 mval == NULL) {
1653 BIO_printf(bio_err, "malloc error\n");
1654 goto error;
1655 }
1656
1657 bp = buf;
1658 sp = subject;
1659
1660 if (*subject != '/') {
1661 BIO_printf(bio_err, "Subject does not start with '/'.\n");
1662 goto error;
1663 }
1664
1665 /* Skip leading '/'. */
1666 sp++;
1667
1668 /* No multivalued RDN by default. */
1669 mval[ne_num] = 0;
1670
1671 while (*sp) {
1672 /* Collect type. */
1673 ne_types[ne_num] = bp;
1674 while (*sp) {
1675 /* is there anything to escape in the type...? */
1676 if (*sp == '\\') {
1677 if (*++sp)
1678 *bp++ = *sp++;
1679 else {
1680 BIO_printf(bio_err, "escape character "
1681 "at end of string\n");
1682 goto error;
1683 }
1684 } else if (*sp == '=') {
1685 sp++;
1686 *bp++ = '\0';
1687 break;
1688 } else
1689 *bp++ = *sp++;
1690 }
1691 if (!*sp) {
1692 BIO_printf(bio_err, "end of string encountered while "
1693 "processing type of subject name element #%d\n",
1694 ne_num);
1695 goto error;
1696 }
1697 ne_values[ne_num] = bp;
1698 while (*sp) {
1699 if (*sp == '\\') {
1700 if (*++sp)
1701 *bp++ = *sp++;
1702 else {
1703 BIO_printf(bio_err, "escape character "
1704 "at end of string\n");
1705 goto error;
1706 }
1707 } else if (*sp == '/') {
1708 sp++;
1709 /* no multivalued RDN by default */
1710 mval[ne_num + 1] = 0;
1711 break;
1712 } else if (*sp == '+' && multirdn) {
1713 /* a not escaped + signals a multivalued RDN */
1714 sp++;
1715 mval[ne_num + 1] = -1;
1716 break;
1717 } else
1718 *bp++ = *sp++;
1719 }
1720 *bp++ = '\0';
1721 ne_num++;
1722 }
1723
1724 if ((name = X509_NAME_new()) == NULL)
1725 goto error;
1726
1727 for (i = 0; i < ne_num; i++) {
1728 if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
1729 BIO_printf(bio_err,
1730 "Subject Attribute %s has no known NID, skipped\n",
1731 ne_types[i]);
1732 continue;
1733 }
1734 if (!*ne_values[i]) {
1735 BIO_printf(bio_err, "No value provided for Subject "
1736 "Attribute %s, skipped\n", ne_types[i]);
1737 continue;
1738 }
1739 if (!X509_NAME_add_entry_by_NID(name, nid, chtype,
1740 (unsigned char *) ne_values[i], -1, -1, mval[i]))
1741 goto error;
1742 }
1743 goto done;
1744
1745 error:
1746 X509_NAME_free(name);
1747 name = NULL;
1748
1749 done:
1750 free(ne_values);
1751 free(ne_types);
1752 free(mval);
1753 free(buf);
1754
1755 return name;
1756 }
1757
1758 int
args_verify(char *** pargs,int * pargc,int * badarg,BIO * err,X509_VERIFY_PARAM ** pm)1759 args_verify(char ***pargs, int *pargc, int *badarg, BIO *err,
1760 X509_VERIFY_PARAM **pm)
1761 {
1762 ASN1_OBJECT *otmp = NULL;
1763 unsigned long flags = 0;
1764 int i;
1765 int purpose = 0, depth = -1;
1766 char **oldargs = *pargs;
1767 char *arg = **pargs, *argn = (*pargs)[1];
1768 time_t at_time = 0;
1769 const char *errstr = NULL;
1770
1771 if (!strcmp(arg, "-policy")) {
1772 if (!argn)
1773 *badarg = 1;
1774 else {
1775 otmp = OBJ_txt2obj(argn, 0);
1776 if (!otmp) {
1777 BIO_printf(err, "Invalid Policy \"%s\"\n",
1778 argn);
1779 *badarg = 1;
1780 }
1781 }
1782 (*pargs)++;
1783 } else if (strcmp(arg, "-purpose") == 0) {
1784 X509_PURPOSE *xptmp;
1785 if (!argn)
1786 *badarg = 1;
1787 else {
1788 i = X509_PURPOSE_get_by_sname(argn);
1789 if (i < 0) {
1790 BIO_printf(err, "unrecognized purpose\n");
1791 *badarg = 1;
1792 } else {
1793 xptmp = X509_PURPOSE_get0(i);
1794 purpose = X509_PURPOSE_get_id(xptmp);
1795 }
1796 }
1797 (*pargs)++;
1798 } else if (strcmp(arg, "-verify_depth") == 0) {
1799 if (!argn)
1800 *badarg = 1;
1801 else {
1802 depth = strtonum(argn, 1, INT_MAX, &errstr);
1803 if (errstr) {
1804 BIO_printf(err, "invalid depth %s: %s\n",
1805 argn, errstr);
1806 *badarg = 1;
1807 }
1808 }
1809 (*pargs)++;
1810 } else if (strcmp(arg, "-attime") == 0) {
1811 if (!argn)
1812 *badarg = 1;
1813 else {
1814 long long timestamp;
1815 /*
1816 * interpret the -attime argument as seconds since
1817 * Epoch
1818 */
1819 if (sscanf(argn, "%lli", ×tamp) != 1) {
1820 BIO_printf(bio_err,
1821 "Error parsing timestamp %s\n",
1822 argn);
1823 *badarg = 1;
1824 }
1825 /* XXX 2038 truncation */
1826 at_time = (time_t) timestamp;
1827 }
1828 (*pargs)++;
1829 } else if (!strcmp(arg, "-ignore_critical"))
1830 flags |= X509_V_FLAG_IGNORE_CRITICAL;
1831 else if (!strcmp(arg, "-issuer_checks"))
1832 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
1833 else if (!strcmp(arg, "-crl_check"))
1834 flags |= X509_V_FLAG_CRL_CHECK;
1835 else if (!strcmp(arg, "-crl_check_all"))
1836 flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
1837 else if (!strcmp(arg, "-policy_check"))
1838 flags |= X509_V_FLAG_POLICY_CHECK;
1839 else if (!strcmp(arg, "-explicit_policy"))
1840 flags |= X509_V_FLAG_EXPLICIT_POLICY;
1841 else if (!strcmp(arg, "-legacy_verify"))
1842 flags |= X509_V_FLAG_LEGACY_VERIFY;
1843 else if (!strcmp(arg, "-inhibit_any"))
1844 flags |= X509_V_FLAG_INHIBIT_ANY;
1845 else if (!strcmp(arg, "-inhibit_map"))
1846 flags |= X509_V_FLAG_INHIBIT_MAP;
1847 else if (!strcmp(arg, "-x509_strict"))
1848 flags |= X509_V_FLAG_X509_STRICT;
1849 else if (!strcmp(arg, "-extended_crl"))
1850 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
1851 else if (!strcmp(arg, "-use_deltas"))
1852 flags |= X509_V_FLAG_USE_DELTAS;
1853 else if (!strcmp(arg, "-policy_print"))
1854 flags |= X509_V_FLAG_NOTIFY_POLICY;
1855 else if (!strcmp(arg, "-check_ss_sig"))
1856 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
1857 else
1858 return 0;
1859
1860 if (*badarg) {
1861 X509_VERIFY_PARAM_free(*pm);
1862 *pm = NULL;
1863 goto end;
1864 }
1865 if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
1866 *badarg = 1;
1867 goto end;
1868 }
1869 if (otmp) {
1870 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
1871 otmp = NULL;
1872 }
1873 if (flags)
1874 X509_VERIFY_PARAM_set_flags(*pm, flags);
1875
1876 if (purpose)
1877 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
1878
1879 if (depth >= 0)
1880 X509_VERIFY_PARAM_set_depth(*pm, depth);
1881
1882 if (at_time)
1883 X509_VERIFY_PARAM_set_time(*pm, at_time);
1884
1885 end:
1886 (*pargs)++;
1887
1888 if (pargc)
1889 *pargc -= *pargs - oldargs;
1890
1891 ASN1_OBJECT_free(otmp);
1892 return 1;
1893 }
1894
1895 /* Read whole contents of a BIO into an allocated memory buffer and
1896 * return it.
1897 */
1898
1899 int
bio_to_mem(unsigned char ** out,int maxlen,BIO * in)1900 bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1901 {
1902 BIO *mem;
1903 int len, ret;
1904 unsigned char tbuf[1024];
1905
1906 mem = BIO_new(BIO_s_mem());
1907 if (!mem)
1908 return -1;
1909 for (;;) {
1910 if ((maxlen != -1) && maxlen < 1024)
1911 len = maxlen;
1912 else
1913 len = 1024;
1914 len = BIO_read(in, tbuf, len);
1915 if (len <= 0)
1916 break;
1917 if (BIO_write(mem, tbuf, len) != len) {
1918 BIO_free(mem);
1919 return -1;
1920 }
1921 maxlen -= len;
1922
1923 if (maxlen == 0)
1924 break;
1925 }
1926 ret = BIO_get_mem_data(mem, (char **) out);
1927 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1928 BIO_free(mem);
1929 return ret;
1930 }
1931
1932 int
pkey_ctrl_string(EVP_PKEY_CTX * ctx,char * value)1933 pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
1934 {
1935 int rv;
1936 char *stmp, *vtmp = NULL;
1937
1938 if (value == NULL)
1939 return -1;
1940 stmp = strdup(value);
1941 if (!stmp)
1942 return -1;
1943 vtmp = strchr(stmp, ':');
1944 if (vtmp) {
1945 *vtmp = 0;
1946 vtmp++;
1947 }
1948 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1949 free(stmp);
1950
1951 return rv;
1952 }
1953
1954 static void
nodes_print(BIO * out,const char * name,STACK_OF (X509_POLICY_NODE)* nodes)1955 nodes_print(BIO *out, const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1956 {
1957 X509_POLICY_NODE *node;
1958 int i;
1959
1960 BIO_printf(out, "%s Policies:", name);
1961 if (nodes) {
1962 BIO_puts(out, "\n");
1963 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1964 node = sk_X509_POLICY_NODE_value(nodes, i);
1965 X509_POLICY_NODE_print(out, node, 2);
1966 }
1967 } else
1968 BIO_puts(out, " <empty>\n");
1969 }
1970
1971 void
policies_print(BIO * out,X509_STORE_CTX * ctx)1972 policies_print(BIO *out, X509_STORE_CTX *ctx)
1973 {
1974 X509_POLICY_TREE *tree;
1975 int explicit_policy;
1976 int free_out = 0;
1977
1978 if (out == NULL) {
1979 out = BIO_new_fp(stderr, BIO_NOCLOSE);
1980 free_out = 1;
1981 }
1982 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1983 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1984
1985 BIO_printf(out, "Require explicit Policy: %s\n",
1986 explicit_policy ? "True" : "False");
1987
1988 nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
1989 nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
1990
1991 if (free_out)
1992 BIO_free(out);
1993 }
1994
1995 /*
1996 * next_protos_parse parses a comma separated list of strings into a string
1997 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1998 * outlen: (output) set to the length of the resulting buffer on success.
1999 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2000 * in: a NUL termianted string like "abc,def,ghi"
2001 *
2002 * returns: a malloced buffer or NULL on failure.
2003 */
2004 unsigned char *
next_protos_parse(unsigned short * outlen,const char * in)2005 next_protos_parse(unsigned short *outlen, const char *in)
2006 {
2007 size_t len;
2008 unsigned char *out;
2009 size_t i, start = 0;
2010
2011 len = strlen(in);
2012 if (len >= 65535)
2013 return NULL;
2014
2015 out = malloc(strlen(in) + 1);
2016 if (!out)
2017 return NULL;
2018
2019 for (i = 0; i <= len; ++i) {
2020 if (i == len || in[i] == ',') {
2021 if (i - start > 255) {
2022 free(out);
2023 return NULL;
2024 }
2025 out[start] = i - start;
2026 start = i + 1;
2027 } else
2028 out[i + 1] = in[i];
2029 }
2030
2031 *outlen = len + 1;
2032 return out;
2033 }
2034
2035 int
app_isdir(const char * name)2036 app_isdir(const char *name)
2037 {
2038 struct stat st;
2039
2040 if (stat(name, &st) == 0)
2041 return S_ISDIR(st.st_mode);
2042 return -1;
2043 }
2044
2045 #define OPTION_WIDTH 18
2046
2047 void
options_usage(const struct option * opts)2048 options_usage(const struct option *opts)
2049 {
2050 const char *p, *q;
2051 char optstr[32];
2052 int i;
2053
2054 for (i = 0; opts[i].name != NULL; i++) {
2055 if (opts[i].desc == NULL)
2056 continue;
2057
2058 snprintf(optstr, sizeof(optstr), "-%s %s", opts[i].name,
2059 (opts[i].argname != NULL) ? opts[i].argname : "");
2060 fprintf(stderr, " %-*s", OPTION_WIDTH, optstr);
2061 if (strlen(optstr) > OPTION_WIDTH)
2062 fprintf(stderr, "\n %-*s", OPTION_WIDTH, "");
2063
2064 p = opts[i].desc;
2065 while ((q = strchr(p, '\n')) != NULL) {
2066 fprintf(stderr, " %.*s", (int)(q - p), p);
2067 fprintf(stderr, "\n %-*s", OPTION_WIDTH, "");
2068 p = q + 1;
2069 }
2070 fprintf(stderr, " %s\n", p);
2071 }
2072 }
2073
2074 int
options_parse(int argc,char ** argv,const struct option * opts,char ** unnamed,int * argsused)2075 options_parse(int argc, char **argv, const struct option *opts, char **unnamed,
2076 int *argsused)
2077 {
2078 const char *errstr;
2079 const struct option *opt;
2080 long long val;
2081 char *arg, *p;
2082 int fmt, used;
2083 int ord = 0;
2084 int i, j;
2085
2086 if (unnamed != NULL)
2087 *unnamed = NULL;
2088
2089 for (i = 1; i < argc; i++) {
2090 p = arg = argv[i];
2091
2092 /* Single unnamed argument (without leading hyphen). */
2093 if (*p++ != '-') {
2094 if (argsused != NULL)
2095 goto done;
2096 if (unnamed == NULL)
2097 goto unknown;
2098 if (*unnamed != NULL)
2099 goto toomany;
2100 *unnamed = arg;
2101 continue;
2102 }
2103
2104 /* End of named options (single hyphen). */
2105 if (*p == '\0') {
2106 if (++i >= argc)
2107 goto done;
2108 if (argsused != NULL)
2109 goto done;
2110 if (unnamed != NULL && i == argc - 1) {
2111 if (*unnamed != NULL)
2112 goto toomany;
2113 *unnamed = argv[i];
2114 continue;
2115 }
2116 goto unknown;
2117 }
2118
2119 /* See if there is a matching option... */
2120 for (j = 0; opts[j].name != NULL; j++) {
2121 if (strcmp(p, opts[j].name) == 0)
2122 break;
2123 }
2124 opt = &opts[j];
2125 if (opt->name == NULL && opt->type == 0)
2126 goto unknown;
2127
2128 if (opt->type == OPTION_ARG ||
2129 opt->type == OPTION_ARG_FORMAT ||
2130 opt->type == OPTION_ARG_FUNC ||
2131 opt->type == OPTION_ARG_INT ||
2132 opt->type == OPTION_ARG_LONG ||
2133 opt->type == OPTION_ARG_TIME) {
2134 if (++i >= argc) {
2135 fprintf(stderr, "missing %s argument for -%s\n",
2136 opt->argname, opt->name);
2137 return (1);
2138 }
2139 }
2140
2141 switch (opt->type) {
2142 case OPTION_ARG:
2143 *opt->opt.arg = argv[i];
2144 break;
2145
2146 case OPTION_ARGV_FUNC:
2147 if (opt->opt.argvfunc(argc - i, &argv[i], &used) != 0)
2148 return (1);
2149 i += used - 1;
2150 break;
2151
2152 case OPTION_ARG_FORMAT:
2153 fmt = str2fmt(argv[i]);
2154 if (fmt == FORMAT_UNDEF) {
2155 fprintf(stderr, "unknown %s '%s' for -%s\n",
2156 opt->argname, argv[i], opt->name);
2157 return (1);
2158 }
2159 *opt->opt.value = fmt;
2160 break;
2161
2162 case OPTION_ARG_FUNC:
2163 if (opt->opt.argfunc(argv[i]) != 0)
2164 return (1);
2165 break;
2166
2167 case OPTION_ARG_INT:
2168 val = strtonum(argv[i], 0, INT_MAX, &errstr);
2169 if (errstr != NULL) {
2170 fprintf(stderr, "%s %s argument for -%s\n",
2171 errstr, opt->argname, opt->name);
2172 return (1);
2173 }
2174 *opt->opt.value = (int)val;
2175 break;
2176
2177 case OPTION_ARG_LONG:
2178 val = strtonum(argv[i], 0, LONG_MAX, &errstr);
2179 if (errstr != NULL) {
2180 fprintf(stderr, "%s %s argument for -%s\n",
2181 errstr, opt->argname, opt->name);
2182 return (1);
2183 }
2184 *opt->opt.lvalue = (long)val;
2185 break;
2186
2187 case OPTION_ARG_TIME:
2188 val = strtonum(argv[i], 0, LLONG_MAX, &errstr);
2189 if (errstr != NULL) {
2190 fprintf(stderr, "%s %s argument for -%s\n",
2191 errstr, opt->argname, opt->name);
2192 return (1);
2193 }
2194 *opt->opt.tvalue = val;
2195 break;
2196
2197 case OPTION_DISCARD:
2198 break;
2199
2200 case OPTION_FUNC:
2201 if (opt->opt.func() != 0)
2202 return (1);
2203 break;
2204
2205 case OPTION_FLAG:
2206 *opt->opt.flag = 1;
2207 break;
2208
2209 case OPTION_FLAG_ORD:
2210 *opt->opt.flag = ++ord;
2211 break;
2212
2213 case OPTION_VALUE:
2214 *opt->opt.value = opt->value;
2215 break;
2216
2217 case OPTION_VALUE_AND:
2218 *opt->opt.value &= opt->value;
2219 break;
2220
2221 case OPTION_VALUE_OR:
2222 *opt->opt.value |= opt->value;
2223 break;
2224
2225 case OPTION_UL_VALUE_OR:
2226 *opt->opt.ulvalue |= opt->ulvalue;
2227 break;
2228
2229 case OPTION_ORDER:
2230 *opt->opt.order = ++(*opt->order);
2231 break;
2232
2233 default:
2234 fprintf(stderr, "option %s - unknown type %i\n",
2235 opt->name, opt->type);
2236 return (1);
2237 }
2238 }
2239
2240 done:
2241 if (argsused != NULL)
2242 *argsused = i;
2243
2244 return (0);
2245
2246 toomany:
2247 fprintf(stderr, "too many arguments\n");
2248 return (1);
2249
2250 unknown:
2251 fprintf(stderr, "unknown option '%s'\n", arg);
2252 return (1);
2253 }
2254
2255 void
show_cipher(const OBJ_NAME * name,void * arg)2256 show_cipher(const OBJ_NAME *name, void *arg)
2257 {
2258 int *n = arg;
2259
2260 if (!islower((unsigned char)*name->name))
2261 return;
2262
2263 fprintf(stderr, " -%-24s%s", name->name, (++*n % 3 != 0 ? "" : "\n"));
2264 }
2265
2266 int
pkey_check(BIO * out,EVP_PKEY * pkey,int (check_fn)(EVP_PKEY_CTX *),const char * desc)2267 pkey_check(BIO *out, EVP_PKEY *pkey, int (check_fn)(EVP_PKEY_CTX *),
2268 const char *desc)
2269 {
2270 EVP_PKEY_CTX *ctx;
2271
2272 if ((ctx = EVP_PKEY_CTX_new(pkey, NULL)) == NULL) {
2273 ERR_print_errors(bio_err);
2274 return 0;
2275 }
2276
2277 if (check_fn(ctx) == 1) {
2278 BIO_printf(out, "%s valid\n", desc);
2279 } else {
2280 unsigned long err;
2281
2282 BIO_printf(out, "%s invalid\n", desc);
2283
2284 while ((err = ERR_get_error()) != 0)
2285 BIO_printf(out, "Detailed error: %s\n",
2286 ERR_reason_error_string(err));
2287 }
2288
2289 EVP_PKEY_CTX_free(ctx);
2290
2291 return 1;
2292 }
2293