1 /* $OpenBSD: pkcs12.c,v 1.6 2015/10/17 07:51:10 semarie Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project.
4  */
5 /* ====================================================================
6  * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    licensing@OpenSSL.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * This product includes cryptographic software written by Eric Young
54  * (eay@cryptsoft.com).  This product includes software written by Tim
55  * Hudson (tjh@cryptsoft.com).
56  *
57  */
58 
59 #include <openssl/opensslconf.h>
60 
61 #if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_SHA1)
62 
63 #include <stdio.h>
64 #include <stdlib.h>
65 #include <string.h>
66 
67 #include "apps.h"
68 
69 #include <openssl/crypto.h>
70 #include <openssl/err.h>
71 #include <openssl/pem.h>
72 #include <openssl/pkcs12.h>
73 
74 const EVP_CIPHER *enc;
75 
76 #define NOKEYS		0x1
77 #define NOCERTS 	0x2
78 #define INFO		0x4
79 #define CLCERTS		0x8
80 #define CACERTS		0x10
81 
82 int get_cert_chain(X509 * cert, X509_STORE * store, STACK_OF(X509) ** chain);
83 int dump_certs_keys_p12(BIO * out, PKCS12 * p12, char *pass, int passlen,
84     int options, char *pempass);
85 int dump_certs_pkeys_bags(BIO * out, STACK_OF(PKCS12_SAFEBAG) * bags, char *pass,
86     int passlen, int options, char *pempass);
87 int dump_certs_pkeys_bag(BIO * out, PKCS12_SAFEBAG * bags, char *pass, int passlen,
88     int options, char *pempass);
89 int print_attribs(BIO * out, STACK_OF(X509_ATTRIBUTE) * attrlst, const char *name);
90 void hex_prin(BIO * out, unsigned char *buf, int len);
91 int alg_print(BIO * x, X509_ALGOR * alg);
92 int cert_load(BIO * in, STACK_OF(X509) * sk);
93 static int set_pbe(BIO * err, int *ppbe, const char *str);
94 
95 int
96 pkcs12_main(int argc, char **argv)
97 {
98 	char *infile = NULL, *outfile = NULL, *keyname = NULL;
99 	char *certfile = NULL;
100 	BIO *in = NULL, *out = NULL;
101 	char **args;
102 	char *name = NULL;
103 	char *csp_name = NULL;
104 	int add_lmk = 0;
105 	PKCS12 *p12 = NULL;
106 	char pass[50], macpass[50];
107 	int export_cert = 0;
108 	int options = 0;
109 	int chain = 0;
110 	int badarg = 0;
111 	int iter = PKCS12_DEFAULT_ITER;
112 	int maciter = PKCS12_DEFAULT_ITER;
113 	int twopass = 0;
114 	int keytype = 0;
115 	int cert_pbe;
116 	int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
117 	int ret = 1;
118 	int macver = 1;
119 	int noprompt = 0;
120 	STACK_OF(OPENSSL_STRING) * canames = NULL;
121 	char *cpass = NULL, *mpass = NULL;
122 	char *passargin = NULL, *passargout = NULL, *passarg = NULL;
123 	char *passin = NULL, *passout = NULL;
124 	char *macalg = NULL;
125 	char *CApath = NULL, *CAfile = NULL;
126 
127 	if (single_execution) {
128 		if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
129 			perror("pledge");
130 			exit(1);
131 		}
132 	}
133 
134 	cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
135 
136 	enc = EVP_des_ede3_cbc();
137 
138 	args = argv + 1;
139 
140 	while (*args) {
141 		if (*args[0] == '-') {
142 			if (!strcmp(*args, "-nokeys"))
143 				options |= NOKEYS;
144 			else if (!strcmp(*args, "-keyex"))
145 				keytype = KEY_EX;
146 			else if (!strcmp(*args, "-keysig"))
147 				keytype = KEY_SIG;
148 			else if (!strcmp(*args, "-nocerts"))
149 				options |= NOCERTS;
150 			else if (!strcmp(*args, "-clcerts"))
151 				options |= CLCERTS;
152 			else if (!strcmp(*args, "-cacerts"))
153 				options |= CACERTS;
154 			else if (!strcmp(*args, "-noout"))
155 				options |= (NOKEYS | NOCERTS);
156 			else if (!strcmp(*args, "-info"))
157 				options |= INFO;
158 			else if (!strcmp(*args, "-chain"))
159 				chain = 1;
160 			else if (!strcmp(*args, "-twopass"))
161 				twopass = 1;
162 			else if (!strcmp(*args, "-nomacver"))
163 				macver = 0;
164 			else if (!strcmp(*args, "-descert"))
165 				cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
166 			else if (!strcmp(*args, "-export"))
167 				export_cert = 1;
168 			else if (!strcmp(*args, "-des"))
169 				enc = EVP_des_cbc();
170 			else if (!strcmp(*args, "-des3"))
171 				enc = EVP_des_ede3_cbc();
172 #ifndef OPENSSL_NO_IDEA
173 			else if (!strcmp(*args, "-idea"))
174 				enc = EVP_idea_cbc();
175 #endif
176 #ifndef OPENSSL_NO_AES
177 			else if (!strcmp(*args, "-aes128"))
178 				enc = EVP_aes_128_cbc();
179 			else if (!strcmp(*args, "-aes192"))
180 				enc = EVP_aes_192_cbc();
181 			else if (!strcmp(*args, "-aes256"))
182 				enc = EVP_aes_256_cbc();
183 #endif
184 #ifndef OPENSSL_NO_CAMELLIA
185 			else if (!strcmp(*args, "-camellia128"))
186 				enc = EVP_camellia_128_cbc();
187 			else if (!strcmp(*args, "-camellia192"))
188 				enc = EVP_camellia_192_cbc();
189 			else if (!strcmp(*args, "-camellia256"))
190 				enc = EVP_camellia_256_cbc();
191 #endif
192 			else if (!strcmp(*args, "-noiter"))
193 				iter = 1;
194 			else if (!strcmp(*args, "-maciter"))
195 				maciter = PKCS12_DEFAULT_ITER;
196 			else if (!strcmp(*args, "-nomaciter"))
197 				maciter = 1;
198 			else if (!strcmp(*args, "-nomac"))
199 				maciter = -1;
200 			else if (!strcmp(*args, "-macalg"))
201 				if (args[1]) {
202 					args++;
203 					macalg = *args;
204 				} else
205 					badarg = 1;
206 			else if (!strcmp(*args, "-nodes"))
207 				enc = NULL;
208 			else if (!strcmp(*args, "-certpbe")) {
209 				if (!set_pbe(bio_err, &cert_pbe, *++args))
210 					badarg = 1;
211 			} else if (!strcmp(*args, "-keypbe")) {
212 				if (!set_pbe(bio_err, &key_pbe, *++args))
213 					badarg = 1;
214 			} else if (!strcmp(*args, "-inkey")) {
215 				if (args[1]) {
216 					args++;
217 					keyname = *args;
218 				} else
219 					badarg = 1;
220 			} else if (!strcmp(*args, "-certfile")) {
221 				if (args[1]) {
222 					args++;
223 					certfile = *args;
224 				} else
225 					badarg = 1;
226 			} else if (!strcmp(*args, "-name")) {
227 				if (args[1]) {
228 					args++;
229 					name = *args;
230 				} else
231 					badarg = 1;
232 			} else if (!strcmp(*args, "-LMK"))
233 				add_lmk = 1;
234 			else if (!strcmp(*args, "-CSP")) {
235 				if (args[1]) {
236 					args++;
237 					csp_name = *args;
238 				} else
239 					badarg = 1;
240 			} else if (!strcmp(*args, "-caname")) {
241 				if (args[1]) {
242 					args++;
243 					if (!canames)
244 						canames = sk_OPENSSL_STRING_new_null();
245 					sk_OPENSSL_STRING_push(canames, *args);
246 				} else
247 					badarg = 1;
248 			} else if (!strcmp(*args, "-in")) {
249 				if (args[1]) {
250 					args++;
251 					infile = *args;
252 				} else
253 					badarg = 1;
254 			} else if (!strcmp(*args, "-out")) {
255 				if (args[1]) {
256 					args++;
257 					outfile = *args;
258 				} else
259 					badarg = 1;
260 			} else if (!strcmp(*args, "-passin")) {
261 				if (args[1]) {
262 					args++;
263 					passargin = *args;
264 				} else
265 					badarg = 1;
266 			} else if (!strcmp(*args, "-passout")) {
267 				if (args[1]) {
268 					args++;
269 					passargout = *args;
270 				} else
271 					badarg = 1;
272 			} else if (!strcmp(*args, "-password")) {
273 				if (args[1]) {
274 					args++;
275 					passarg = *args;
276 					noprompt = 1;
277 				} else
278 					badarg = 1;
279 			} else if (!strcmp(*args, "-CApath")) {
280 				if (args[1]) {
281 					args++;
282 					CApath = *args;
283 				} else
284 					badarg = 1;
285 			} else if (!strcmp(*args, "-CAfile")) {
286 				if (args[1]) {
287 					args++;
288 					CAfile = *args;
289 				} else
290 					badarg = 1;
291 			} else
292 				badarg = 1;
293 
294 		} else
295 			badarg = 1;
296 		args++;
297 	}
298 
299 	if (badarg) {
300 		BIO_printf(bio_err, "Usage: pkcs12 [options]\n");
301 		BIO_printf(bio_err, "where options are\n");
302 		BIO_printf(bio_err, "-export       output PKCS12 file\n");
303 		BIO_printf(bio_err, "-chain        add certificate chain\n");
304 		BIO_printf(bio_err, "-inkey file   private key if not infile\n");
305 		BIO_printf(bio_err, "-certfile f   add all certs in f\n");
306 		BIO_printf(bio_err, "-CApath arg   - PEM format directory of CA's\n");
307 		BIO_printf(bio_err, "-CAfile arg   - PEM format file of CA's\n");
308 		BIO_printf(bio_err, "-name \"name\"  use name as friendly name\n");
309 		BIO_printf(bio_err, "-caname \"nm\"  use nm as CA friendly name (can be used more than once).\n");
310 		BIO_printf(bio_err, "-in  infile   input filename\n");
311 		BIO_printf(bio_err, "-out outfile  output filename\n");
312 		BIO_printf(bio_err, "-noout        don't output anything, just verify.\n");
313 		BIO_printf(bio_err, "-nomacver     don't verify MAC.\n");
314 		BIO_printf(bio_err, "-nocerts      don't output certificates.\n");
315 		BIO_printf(bio_err, "-clcerts      only output client certificates.\n");
316 		BIO_printf(bio_err, "-cacerts      only output CA certificates.\n");
317 		BIO_printf(bio_err, "-nokeys       don't output private keys.\n");
318 		BIO_printf(bio_err, "-info         give info about PKCS#12 structure.\n");
319 		BIO_printf(bio_err, "-des          encrypt private keys with DES\n");
320 		BIO_printf(bio_err, "-des3         encrypt private keys with triple DES (default)\n");
321 #ifndef OPENSSL_NO_IDEA
322 		BIO_printf(bio_err, "-idea         encrypt private keys with idea\n");
323 #endif
324 #ifndef OPENSSL_NO_AES
325 		BIO_printf(bio_err, "-aes128, -aes192, -aes256\n");
326 		BIO_printf(bio_err, "              encrypt PEM output with cbc aes\n");
327 #endif
328 #ifndef OPENSSL_NO_CAMELLIA
329 		BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n");
330 		BIO_printf(bio_err, "              encrypt PEM output with cbc camellia\n");
331 #endif
332 		BIO_printf(bio_err, "-nodes        don't encrypt private keys\n");
333 		BIO_printf(bio_err, "-noiter       don't use encryption iteration\n");
334 		BIO_printf(bio_err, "-nomaciter    don't use MAC iteration\n");
335 		BIO_printf(bio_err, "-maciter      use MAC iteration\n");
336 		BIO_printf(bio_err, "-nomac        don't generate MAC\n");
337 		BIO_printf(bio_err, "-twopass      separate MAC, encryption passwords\n");
338 		BIO_printf(bio_err, "-descert      encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");
339 		BIO_printf(bio_err, "-certpbe alg  specify certificate PBE algorithm (default RC2-40)\n");
340 		BIO_printf(bio_err, "-keypbe alg   specify private key PBE algorithm (default 3DES)\n");
341 		BIO_printf(bio_err, "-macalg alg   digest algorithm used in MAC (default SHA1)\n");
342 		BIO_printf(bio_err, "-keyex        set MS key exchange type\n");
343 		BIO_printf(bio_err, "-keysig       set MS key signature type\n");
344 		BIO_printf(bio_err, "-password p   set import/export password source\n");
345 		BIO_printf(bio_err, "-passin p     input file pass phrase source\n");
346 		BIO_printf(bio_err, "-passout p    output file pass phrase source\n");
347 		BIO_printf(bio_err, "-CSP name     Microsoft CSP name\n");
348 		BIO_printf(bio_err, "-LMK          Add local machine keyset attribute to private key\n");
349 		goto end;
350 	}
351 
352 	if (passarg) {
353 		if (export_cert)
354 			passargout = passarg;
355 		else
356 			passargin = passarg;
357 	}
358 	if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
359 		BIO_printf(bio_err, "Error getting passwords\n");
360 		goto end;
361 	}
362 	if (!cpass) {
363 		if (export_cert)
364 			cpass = passout;
365 		else
366 			cpass = passin;
367 	}
368 	if (cpass) {
369 		mpass = cpass;
370 		noprompt = 1;
371 	} else {
372 		cpass = pass;
373 		mpass = macpass;
374 	}
375 
376 	if (!infile)
377 		in = BIO_new_fp(stdin, BIO_NOCLOSE);
378 	else
379 		in = BIO_new_file(infile, "rb");
380 	if (!in) {
381 		BIO_printf(bio_err, "Error opening input file %s\n",
382 		    infile ? infile : "<stdin>");
383 		perror(infile);
384 		goto end;
385 	}
386 
387 	if (!outfile) {
388 		out = BIO_new_fp(stdout, BIO_NOCLOSE);
389 	} else
390 		out = BIO_new_file(outfile, "wb");
391 	if (!out) {
392 		BIO_printf(bio_err, "Error opening output file %s\n",
393 		    outfile ? outfile : "<stdout>");
394 		perror(outfile);
395 		goto end;
396 	}
397 	if (twopass) {
398 		if (EVP_read_pw_string(macpass, sizeof macpass, "Enter MAC Password:", export_cert)) {
399 			BIO_printf(bio_err, "Can't read Password\n");
400 			goto end;
401 		}
402 	}
403 	if (export_cert) {
404 		EVP_PKEY *key = NULL;
405 		X509 *ucert = NULL, *x = NULL;
406 		STACK_OF(X509) * certs = NULL;
407 		const EVP_MD *macmd = NULL;
408 		unsigned char *catmp = NULL;
409 		int i;
410 
411 		if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
412 			BIO_printf(bio_err, "Nothing to do!\n");
413 			goto export_end;
414 		}
415 		if (options & NOCERTS)
416 			chain = 0;
417 
418 		if (!(options & NOKEYS)) {
419 			key = load_key(bio_err, keyname ? keyname : infile,
420 			    FORMAT_PEM, 1, passin, "private key");
421 			if (!key)
422 				goto export_end;
423 		}
424 
425 		/* Load in all certs in input file */
426 		if (!(options & NOCERTS)) {
427 			certs = load_certs(bio_err, infile, FORMAT_PEM, NULL,
428 			    "certificates");
429 			if (!certs)
430 				goto export_end;
431 
432 			if (key) {
433 				/* Look for matching private key */
434 				for (i = 0; i < sk_X509_num(certs); i++) {
435 					x = sk_X509_value(certs, i);
436 					if (X509_check_private_key(x, key)) {
437 						ucert = x;
438 						/* Zero keyid and alias */
439 						X509_keyid_set1(ucert, NULL, 0);
440 						X509_alias_set1(ucert, NULL, 0);
441 						/* Remove from list */
442 						(void) sk_X509_delete(certs, i);
443 						break;
444 					}
445 				}
446 				if (!ucert) {
447 					BIO_printf(bio_err, "No certificate matches private key\n");
448 					goto export_end;
449 				}
450 			}
451 		}
452 
453 		/* Add any more certificates asked for */
454 		if (certfile) {
455 			STACK_OF(X509) * morecerts = NULL;
456 			if (!(morecerts = load_certs(bio_err, certfile, FORMAT_PEM,
457 			    NULL, "certificates from certfile")))
458 				goto export_end;
459 			while (sk_X509_num(morecerts) > 0)
460 				sk_X509_push(certs, sk_X509_shift(morecerts));
461 			sk_X509_free(morecerts);
462 		}
463 
464 
465 		/* If chaining get chain from user cert */
466 		if (chain) {
467 			int vret;
468 			STACK_OF(X509) * chain2;
469 			X509_STORE *store = X509_STORE_new();
470 			if (!store) {
471 				BIO_printf(bio_err, "Memory allocation error\n");
472 				goto export_end;
473 			}
474 			if (!X509_STORE_load_locations(store, CAfile, CApath))
475 				X509_STORE_set_default_paths(store);
476 
477 			vret = get_cert_chain(ucert, store, &chain2);
478 			X509_STORE_free(store);
479 
480 			if (!vret) {
481 				/* Exclude verified certificate */
482 				for (i = 1; i < sk_X509_num(chain2); i++)
483 					sk_X509_push(certs, sk_X509_value(chain2, i));
484 				/* Free first certificate */
485 				X509_free(sk_X509_value(chain2, 0));
486 				sk_X509_free(chain2);
487 			} else {
488 				if (vret >= 0)
489 					BIO_printf(bio_err, "Error %s getting chain.\n",
490 					    X509_verify_cert_error_string(vret));
491 				else
492 					ERR_print_errors(bio_err);
493 				goto export_end;
494 			}
495 		}
496 		/* Add any CA names */
497 
498 		for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
499 			catmp = (unsigned char *) sk_OPENSSL_STRING_value(canames, i);
500 			X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
501 		}
502 
503 		if (csp_name && key)
504 			EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
505 			    MBSTRING_ASC, (unsigned char *) csp_name, -1);
506 
507 		if (add_lmk && key)
508 			EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
509 
510 
511 		if (!noprompt &&
512 		    EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:", 1)) {
513 			BIO_printf(bio_err, "Can't read Password\n");
514 			goto export_end;
515 		}
516 		if (!twopass)
517 			strlcpy(macpass, pass, sizeof macpass);
518 
519 
520 		p12 = PKCS12_create(cpass, name, key, ucert, certs,
521 		    key_pbe, cert_pbe, iter, -1, keytype);
522 
523 		if (!p12) {
524 			ERR_print_errors(bio_err);
525 			goto export_end;
526 		}
527 		if (macalg) {
528 			macmd = EVP_get_digestbyname(macalg);
529 			if (!macmd) {
530 				BIO_printf(bio_err, "Unknown digest algorithm %s\n",
531 				    macalg);
532 			}
533 		}
534 		if (maciter != -1)
535 			PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
536 
537 
538 		i2d_PKCS12_bio(out, p12);
539 
540 		ret = 0;
541 
542 export_end:
543 
544 		if (key)
545 			EVP_PKEY_free(key);
546 		if (certs)
547 			sk_X509_pop_free(certs, X509_free);
548 		if (ucert)
549 			X509_free(ucert);
550 
551 		goto end;
552 
553 	}
554 	if (!(p12 = d2i_PKCS12_bio(in, NULL))) {
555 		ERR_print_errors(bio_err);
556 		goto end;
557 	}
558 	if (!noprompt && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:", 0)) {
559 		BIO_printf(bio_err, "Can't read Password\n");
560 		goto end;
561 	}
562 
563 	if (!twopass)
564 		strlcpy(macpass, pass, sizeof macpass);
565 
566 	if ((options & INFO) && p12->mac)
567 		BIO_printf(bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get(p12->mac->iter) : 1);
568 	if (macver) {
569 		/* If we enter empty password try no password first */
570 		if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
571 			/* If mac and crypto pass the same set it to NULL too */
572 			if (!twopass)
573 				cpass = NULL;
574 		} else if (!PKCS12_verify_mac(p12, mpass, -1)) {
575 			BIO_printf(bio_err, "Mac verify error: invalid password?\n");
576 			ERR_print_errors(bio_err);
577 			goto end;
578 		}
579 		BIO_printf(bio_err, "MAC verified OK\n");
580 	}
581 	if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout)) {
582 		BIO_printf(bio_err, "Error outputting keys and certificates\n");
583 		ERR_print_errors(bio_err);
584 		goto end;
585 	}
586 	ret = 0;
587 end:
588 	if (p12)
589 		PKCS12_free(p12);
590 	BIO_free(in);
591 	BIO_free_all(out);
592 	if (canames)
593 		sk_OPENSSL_STRING_free(canames);
594 	free(passin);
595 	free(passout);
596 
597 	return (ret);
598 }
599 
600 int
601 dump_certs_keys_p12(BIO * out, PKCS12 * p12, char *pass,
602     int passlen, int options, char *pempass)
603 {
604 	STACK_OF(PKCS7) * asafes = NULL;
605 	STACK_OF(PKCS12_SAFEBAG) * bags;
606 	int i, bagnid;
607 	int ret = 0;
608 	PKCS7 *p7;
609 
610 	if (!(asafes = PKCS12_unpack_authsafes(p12)))
611 		return 0;
612 	for (i = 0; i < sk_PKCS7_num(asafes); i++) {
613 		p7 = sk_PKCS7_value(asafes, i);
614 		bagnid = OBJ_obj2nid(p7->type);
615 		if (bagnid == NID_pkcs7_data) {
616 			bags = PKCS12_unpack_p7data(p7);
617 			if (options & INFO)
618 				BIO_printf(bio_err, "PKCS7 Data\n");
619 		} else if (bagnid == NID_pkcs7_encrypted) {
620 			if (options & INFO) {
621 				BIO_printf(bio_err, "PKCS7 Encrypted data: ");
622 				alg_print(bio_err,
623 				    p7->d.encrypted->enc_data->algorithm);
624 			}
625 			bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
626 		} else
627 			continue;
628 		if (!bags)
629 			goto err;
630 		if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
631 			options, pempass)) {
632 			sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
633 			goto err;
634 		}
635 		sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
636 		bags = NULL;
637 	}
638 	ret = 1;
639 
640 err:
641 
642 	if (asafes)
643 		sk_PKCS7_pop_free(asafes, PKCS7_free);
644 	return ret;
645 }
646 
647 int
648 dump_certs_pkeys_bags(BIO * out, STACK_OF(PKCS12_SAFEBAG) * bags,
649     char *pass, int passlen, int options, char *pempass)
650 {
651 	int i;
652 	for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
653 		if (!dump_certs_pkeys_bag(out,
654 			sk_PKCS12_SAFEBAG_value(bags, i),
655 			pass, passlen,
656 			options, pempass))
657 			return 0;
658 	}
659 	return 1;
660 }
661 
662 int
663 dump_certs_pkeys_bag(BIO * out, PKCS12_SAFEBAG * bag, char *pass,
664     int passlen, int options, char *pempass)
665 {
666 	EVP_PKEY *pkey;
667 	PKCS8_PRIV_KEY_INFO *p8;
668 	X509 *x509;
669 
670 	switch (M_PKCS12_bag_type(bag)) {
671 	case NID_keyBag:
672 		if (options & INFO)
673 			BIO_printf(bio_err, "Key bag\n");
674 		if (options & NOKEYS)
675 			return 1;
676 		print_attribs(out, bag->attrib, "Bag Attributes");
677 		p8 = bag->value.keybag;
678 		if (!(pkey = EVP_PKCS82PKEY(p8)))
679 			return 0;
680 		print_attribs(out, p8->attributes, "Key Attributes");
681 		PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
682 		EVP_PKEY_free(pkey);
683 		break;
684 
685 	case NID_pkcs8ShroudedKeyBag:
686 		if (options & INFO) {
687 			BIO_printf(bio_err, "Shrouded Keybag: ");
688 			alg_print(bio_err, bag->value.shkeybag->algor);
689 		}
690 		if (options & NOKEYS)
691 			return 1;
692 		print_attribs(out, bag->attrib, "Bag Attributes");
693 		if (!(p8 = PKCS12_decrypt_skey(bag, pass, passlen)))
694 			return 0;
695 		if (!(pkey = EVP_PKCS82PKEY(p8))) {
696 			PKCS8_PRIV_KEY_INFO_free(p8);
697 			return 0;
698 		}
699 		print_attribs(out, p8->attributes, "Key Attributes");
700 		PKCS8_PRIV_KEY_INFO_free(p8);
701 		PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
702 		EVP_PKEY_free(pkey);
703 		break;
704 
705 	case NID_certBag:
706 		if (options & INFO)
707 			BIO_printf(bio_err, "Certificate bag\n");
708 		if (options & NOCERTS)
709 			return 1;
710 		if (PKCS12_get_attr(bag, NID_localKeyID)) {
711 			if (options & CACERTS)
712 				return 1;
713 		} else if (options & CLCERTS)
714 			return 1;
715 		print_attribs(out, bag->attrib, "Bag Attributes");
716 		if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
717 			return 1;
718 		if (!(x509 = PKCS12_certbag2x509(bag)))
719 			return 0;
720 		dump_cert_text(out, x509);
721 		PEM_write_bio_X509(out, x509);
722 		X509_free(x509);
723 		break;
724 
725 	case NID_safeContentsBag:
726 		if (options & INFO)
727 			BIO_printf(bio_err, "Safe Contents bag\n");
728 		print_attribs(out, bag->attrib, "Bag Attributes");
729 		return dump_certs_pkeys_bags(out, bag->value.safes, pass,
730 		    passlen, options, pempass);
731 
732 	default:
733 		BIO_printf(bio_err, "Warning unsupported bag type: ");
734 		i2a_ASN1_OBJECT(bio_err, bag->type);
735 		BIO_printf(bio_err, "\n");
736 		return 1;
737 		break;
738 	}
739 	return 1;
740 }
741 
742 /* Given a single certificate return a verified chain or NULL if error */
743 
744 /* Hope this is OK .... */
745 
746 int
747 get_cert_chain(X509 * cert, X509_STORE * store, STACK_OF(X509) ** chain)
748 {
749 	X509_STORE_CTX store_ctx;
750 	STACK_OF(X509) * chn;
751 	int i = 0;
752 
753 	/*
754 	 * FIXME: Should really check the return status of
755 	 * X509_STORE_CTX_init for an error, but how that fits into the
756 	 * return value of this function is less obvious.
757 	 */
758 	X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
759 	if (X509_verify_cert(&store_ctx) <= 0) {
760 		i = X509_STORE_CTX_get_error(&store_ctx);
761 		if (i == 0)
762 			/*
763 			 * avoid returning 0 if X509_verify_cert() did not
764 			 * set an appropriate error value in the context
765 			 */
766 			i = -1;
767 		chn = NULL;
768 		goto err;
769 	} else
770 		chn = X509_STORE_CTX_get1_chain(&store_ctx);
771 err:
772 	X509_STORE_CTX_cleanup(&store_ctx);
773 	*chain = chn;
774 
775 	return i;
776 }
777 
778 int
779 alg_print(BIO * x, X509_ALGOR * alg)
780 {
781 	PBEPARAM *pbe;
782 	const unsigned char *p;
783 	p = alg->parameter->value.sequence->data;
784 	pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
785 	if (!pbe)
786 		return 1;
787 	BIO_printf(bio_err, "%s, Iteration %ld\n",
788 	    OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),
789 	    ASN1_INTEGER_get(pbe->iter));
790 	PBEPARAM_free(pbe);
791 	return 1;
792 }
793 
794 /* Load all certificates from a given file */
795 
796 int
797 cert_load(BIO * in, STACK_OF(X509) * sk)
798 {
799 	int ret;
800 	X509 *cert;
801 	ret = 0;
802 	while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
803 		ret = 1;
804 		sk_X509_push(sk, cert);
805 	}
806 	if (ret)
807 		ERR_clear_error();
808 	return ret;
809 }
810 
811 /* Generalised attribute print: handle PKCS#8 and bag attributes */
812 
813 int
814 print_attribs(BIO * out, STACK_OF(X509_ATTRIBUTE) * attrlst, const char *name)
815 {
816 	X509_ATTRIBUTE *attr;
817 	ASN1_TYPE *av;
818 	char *value;
819 	int i, attr_nid;
820 	if (!attrlst) {
821 		BIO_printf(out, "%s: <No Attributes>\n", name);
822 		return 1;
823 	}
824 	if (!sk_X509_ATTRIBUTE_num(attrlst)) {
825 		BIO_printf(out, "%s: <Empty Attributes>\n", name);
826 		return 1;
827 	}
828 	BIO_printf(out, "%s\n", name);
829 	for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
830 		attr = sk_X509_ATTRIBUTE_value(attrlst, i);
831 		attr_nid = OBJ_obj2nid(attr->object);
832 		BIO_printf(out, "    ");
833 		if (attr_nid == NID_undef) {
834 			i2a_ASN1_OBJECT(out, attr->object);
835 			BIO_printf(out, ": ");
836 		} else
837 			BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
838 
839 		if (sk_ASN1_TYPE_num(attr->value.set)) {
840 			av = sk_ASN1_TYPE_value(attr->value.set, 0);
841 			switch (av->type) {
842 			case V_ASN1_BMPSTRING:
843 				value = OPENSSL_uni2asc(av->value.bmpstring->data,
844 				    av->value.bmpstring->length);
845 				BIO_printf(out, "%s\n", value);
846 				free(value);
847 				break;
848 
849 			case V_ASN1_OCTET_STRING:
850 				hex_prin(out, av->value.octet_string->data,
851 				    av->value.octet_string->length);
852 				BIO_printf(out, "\n");
853 				break;
854 
855 			case V_ASN1_BIT_STRING:
856 				hex_prin(out, av->value.bit_string->data,
857 				    av->value.bit_string->length);
858 				BIO_printf(out, "\n");
859 				break;
860 
861 			default:
862 				BIO_printf(out, "<Unsupported tag %d>\n", av->type);
863 				break;
864 			}
865 		} else
866 			BIO_printf(out, "<No Values>\n");
867 	}
868 	return 1;
869 }
870 
871 void
872 hex_prin(BIO * out, unsigned char *buf, int len)
873 {
874 	int i;
875 	for (i = 0; i < len; i++)
876 		BIO_printf(out, "%02X ", buf[i]);
877 }
878 
879 static int
880 set_pbe(BIO * err, int *ppbe, const char *str)
881 {
882 	if (!str)
883 		return 0;
884 	if (!strcmp(str, "NONE")) {
885 		*ppbe = -1;
886 		return 1;
887 	}
888 	*ppbe = OBJ_txt2nid(str);
889 	if (*ppbe == NID_undef) {
890 		BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
891 		return 0;
892 	}
893 	return 1;
894 }
895 
896 #endif
897