xref: /freebsd/crypto/openssl/apps/pkcs12.c (revision c4f6a2a9e1b1879b618c436ab4f56ff75c73a0f5)
1 /* pkcs12.c */
2 #if !defined(NO_DES) && !defined(NO_SHA1)
3 
4 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5  * project 1999.
6  */
7 /* ====================================================================
8  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in
19  *    the documentation and/or other materials provided with the
20  *    distribution.
21  *
22  * 3. All advertising materials mentioning features or use of this
23  *    software must display the following acknowledgment:
24  *    "This product includes software developed by the OpenSSL Project
25  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26  *
27  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
28  *    endorse or promote products derived from this software without
29  *    prior written permission. For written permission, please contact
30  *    licensing@OpenSSL.org.
31  *
32  * 5. Products derived from this software may not be called "OpenSSL"
33  *    nor may "OpenSSL" appear in their names without prior written
34  *    permission of the OpenSSL Project.
35  *
36  * 6. Redistributions of any form whatsoever must retain the following
37  *    acknowledgment:
38  *    "This product includes software developed by the OpenSSL Project
39  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
42  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
44  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
45  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
47  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
48  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
50  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
51  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
52  * OF THE POSSIBILITY OF SUCH DAMAGE.
53  * ====================================================================
54  *
55  * This product includes cryptographic software written by Eric Young
56  * (eay@cryptsoft.com).  This product includes software written by Tim
57  * Hudson (tjh@cryptsoft.com).
58  *
59  */
60 
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include "apps.h"
65 #include <openssl/crypto.h>
66 #include <openssl/err.h>
67 #include <openssl/pem.h>
68 #include <openssl/pkcs12.h>
69 
70 #define PROG pkcs12_main
71 
72 EVP_CIPHER *enc;
73 
74 
75 #define NOKEYS		0x1
76 #define NOCERTS 	0x2
77 #define INFO		0x4
78 #define CLCERTS		0x8
79 #define CACERTS		0x10
80 
81 int get_cert_chain (X509 *cert, X509_STORE *store, STACK_OF(X509) **chain);
82 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen, int options, char *pempass);
83 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags, char *pass,
84 			  int passlen, int options, char *pempass);
85 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, char *pass, int passlen, int options, char *pempass);
86 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst, char *name);
87 void hex_prin(BIO *out, unsigned char *buf, int len);
88 int alg_print(BIO *x, X509_ALGOR *alg);
89 int cert_load(BIO *in, STACK_OF(X509) *sk);
90 
91 int MAIN(int, char **);
92 
93 int MAIN(int argc, char **argv)
94 {
95     char *infile=NULL, *outfile=NULL, *keyname = NULL;
96     char *certfile=NULL;
97     BIO *in=NULL, *out = NULL, *inkey = NULL, *certsin = NULL;
98     char **args;
99     char *name = NULL;
100     PKCS12 *p12 = NULL;
101     char pass[50], macpass[50];
102     int export_cert = 0;
103     int options = 0;
104     int chain = 0;
105     int badarg = 0;
106     int iter = PKCS12_DEFAULT_ITER;
107     int maciter = PKCS12_DEFAULT_ITER;
108     int twopass = 0;
109     int keytype = 0;
110     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
111     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
112     int ret = 1;
113     int macver = 1;
114     int noprompt = 0;
115     STACK *canames = NULL;
116     char *cpass = NULL, *mpass = NULL;
117     char *passargin = NULL, *passargout = NULL, *passarg = NULL;
118     char *passin = NULL, *passout = NULL;
119     char *inrand = NULL;
120     char *CApath = NULL, *CAfile = NULL;
121 
122     apps_startup();
123 
124     enc = EVP_des_ede3_cbc();
125     if (bio_err == NULL ) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
126 
127     args = argv + 1;
128 
129 
130     while (*args) {
131 	if (*args[0] == '-') {
132 		if (!strcmp (*args, "-nokeys")) options |= NOKEYS;
133 		else if (!strcmp (*args, "-keyex")) keytype = KEY_EX;
134 		else if (!strcmp (*args, "-keysig")) keytype = KEY_SIG;
135 		else if (!strcmp (*args, "-nocerts")) options |= NOCERTS;
136 		else if (!strcmp (*args, "-clcerts")) options |= CLCERTS;
137 		else if (!strcmp (*args, "-cacerts")) options |= CACERTS;
138 		else if (!strcmp (*args, "-noout")) options |= (NOKEYS|NOCERTS);
139 		else if (!strcmp (*args, "-info")) options |= INFO;
140 		else if (!strcmp (*args, "-chain")) chain = 1;
141 		else if (!strcmp (*args, "-twopass")) twopass = 1;
142 		else if (!strcmp (*args, "-nomacver")) macver = 0;
143 		else if (!strcmp (*args, "-descert"))
144     			cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
145 		else if (!strcmp (*args, "-export")) export_cert = 1;
146 		else if (!strcmp (*args, "-des")) enc=EVP_des_cbc();
147 #ifndef NO_IDEA
148 		else if (!strcmp (*args, "-idea")) enc=EVP_idea_cbc();
149 #endif
150 		else if (!strcmp (*args, "-des3")) enc = EVP_des_ede3_cbc();
151 		else if (!strcmp (*args, "-noiter")) iter = 1;
152 		else if (!strcmp (*args, "-maciter"))
153 					 maciter = PKCS12_DEFAULT_ITER;
154 		else if (!strcmp (*args, "-nomaciter"))
155 					 maciter = 1;
156 		else if (!strcmp (*args, "-nodes")) enc=NULL;
157 		else if (!strcmp (*args, "-certpbe")) {
158 			if (args[1]) {
159 				args++;
160 				cert_pbe=OBJ_txt2nid(*args);
161 				if(cert_pbe == NID_undef) {
162 					BIO_printf(bio_err,
163 						 "Unknown PBE algorithm %s\n", *args);
164 					badarg = 1;
165 				}
166 			} else badarg = 1;
167 		} else if (!strcmp (*args, "-keypbe")) {
168 			if (args[1]) {
169 				args++;
170 				key_pbe=OBJ_txt2nid(*args);
171 				if(key_pbe == NID_undef) {
172 					BIO_printf(bio_err,
173 						 "Unknown PBE algorithm %s\n", *args);
174 					badarg = 1;
175 				}
176 			} else badarg = 1;
177 		} else if (!strcmp (*args, "-rand")) {
178 		    if (args[1]) {
179 			args++;
180 			inrand = *args;
181 		    } else badarg = 1;
182 		} else if (!strcmp (*args, "-inkey")) {
183 		    if (args[1]) {
184 			args++;
185 			keyname = *args;
186 		    } else badarg = 1;
187 		} else if (!strcmp (*args, "-certfile")) {
188 		    if (args[1]) {
189 			args++;
190 			certfile = *args;
191 		    } else badarg = 1;
192 		} else if (!strcmp (*args, "-name")) {
193 		    if (args[1]) {
194 			args++;
195 			name = *args;
196 		    } else badarg = 1;
197 		} else if (!strcmp (*args, "-caname")) {
198 		    if (args[1]) {
199 			args++;
200 			if (!canames) canames = sk_new_null();
201 			sk_push(canames, *args);
202 		    } else badarg = 1;
203 		} else if (!strcmp (*args, "-in")) {
204 		    if (args[1]) {
205 			args++;
206 			infile = *args;
207 		    } else badarg = 1;
208 		} else if (!strcmp (*args, "-out")) {
209 		    if (args[1]) {
210 			args++;
211 			outfile = *args;
212 		    } else badarg = 1;
213 		} else if (!strcmp(*args,"-passin")) {
214 		    if (args[1]) {
215 			args++;
216 			passargin = *args;
217 		    } else badarg = 1;
218 		} else if (!strcmp(*args,"-passout")) {
219 		    if (args[1]) {
220 			args++;
221 			passargout = *args;
222 		    } else badarg = 1;
223 		} else if (!strcmp (*args, "-password")) {
224 		    if (args[1]) {
225 			args++;
226 			passarg = *args;
227 		    	noprompt = 1;
228 		    } else badarg = 1;
229 		} else if (!strcmp(*args,"-CApath")) {
230 		    if (args[1]) {
231 			args++;
232 			CApath = *args;
233 		    } else badarg = 1;
234 		} else if (!strcmp(*args,"-CAfile")) {
235 		    if (args[1]) {
236 			args++;
237 			CAfile = *args;
238 		    } else badarg = 1;
239 		} else badarg = 1;
240 
241 	} else badarg = 1;
242 	args++;
243     }
244 
245     if (badarg) {
246 	BIO_printf (bio_err, "Usage: pkcs12 [options]\n");
247 	BIO_printf (bio_err, "where options are\n");
248 	BIO_printf (bio_err, "-export       output PKCS12 file\n");
249 	BIO_printf (bio_err, "-chain        add certificate chain\n");
250 	BIO_printf (bio_err, "-inkey file   private key if not infile\n");
251 	BIO_printf (bio_err, "-certfile f   add all certs in f\n");
252 	BIO_printf (bio_err, "-CApath arg   - PEM format directory of CA's\n");
253 	BIO_printf (bio_err, "-CAfile arg   - PEM format file of CA's\n");
254 	BIO_printf (bio_err, "-name \"name\"  use name as friendly name\n");
255 	BIO_printf (bio_err, "-caname \"nm\"  use nm as CA friendly name (can be used more than once).\n");
256 	BIO_printf (bio_err, "-in  infile   input filename\n");
257 	BIO_printf (bio_err, "-out outfile  output filename\n");
258 	BIO_printf (bio_err, "-noout        don't output anything, just verify.\n");
259 	BIO_printf (bio_err, "-nomacver     don't verify MAC.\n");
260 	BIO_printf (bio_err, "-nocerts      don't output certificates.\n");
261 	BIO_printf (bio_err, "-clcerts      only output client certificates.\n");
262 	BIO_printf (bio_err, "-cacerts      only output CA certificates.\n");
263 	BIO_printf (bio_err, "-nokeys       don't output private keys.\n");
264 	BIO_printf (bio_err, "-info         give info about PKCS#12 structure.\n");
265 	BIO_printf (bio_err, "-des          encrypt private keys with DES\n");
266 	BIO_printf (bio_err, "-des3         encrypt private keys with triple DES (default)\n");
267 #ifndef NO_IDEA
268 	BIO_printf (bio_err, "-idea         encrypt private keys with idea\n");
269 #endif
270 	BIO_printf (bio_err, "-nodes        don't encrypt private keys\n");
271 	BIO_printf (bio_err, "-noiter       don't use encryption iteration\n");
272 	BIO_printf (bio_err, "-maciter      use MAC iteration\n");
273 	BIO_printf (bio_err, "-twopass      separate MAC, encryption passwords\n");
274 	BIO_printf (bio_err, "-descert      encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");
275 	BIO_printf (bio_err, "-certpbe alg  specify certificate PBE algorithm (default RC2-40)\n");
276 	BIO_printf (bio_err, "-keypbe alg   specify private key PBE algorithm (default 3DES)\n");
277 	BIO_printf (bio_err, "-keyex        set MS key exchange type\n");
278 	BIO_printf (bio_err, "-keysig       set MS key signature type\n");
279 	BIO_printf (bio_err, "-password p   set import/export password source\n");
280 	BIO_printf (bio_err, "-passin p     input file pass phrase source\n");
281 	BIO_printf (bio_err, "-passout p    output file pass phrase source\n");
282 	BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
283 	BIO_printf(bio_err,  "              load the file (or the files in the directory) into\n");
284 	BIO_printf(bio_err,  "              the random number generator\n");
285     	goto end;
286     }
287 
288     if(passarg) {
289 	if(export_cert) passargout = passarg;
290 	else passargin = passarg;
291     }
292 
293     if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
294 	BIO_printf(bio_err, "Error getting passwords\n");
295 	goto end;
296     }
297 
298     if(!cpass) {
299     	if(export_cert) cpass = passout;
300     	else cpass = passin;
301     }
302 
303     if(cpass) {
304 	mpass = cpass;
305 	noprompt = 1;
306     } else {
307 	cpass = pass;
308 	mpass = macpass;
309     }
310 
311     if(export_cert || inrand) {
312     	app_RAND_load_file(NULL, bio_err, (inrand != NULL));
313         if (inrand != NULL)
314 		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
315 			app_RAND_load_files(inrand));
316     }
317     ERR_load_crypto_strings();
318 
319 #ifdef CRYPTO_MDEBUG
320     CRYPTO_push_info("read files");
321 #endif
322 
323     if (!infile) in = BIO_new_fp(stdin, BIO_NOCLOSE);
324     else in = BIO_new_file(infile, "rb");
325     if (!in) {
326 	    BIO_printf(bio_err, "Error opening input file %s\n",
327 						infile ? infile : "<stdin>");
328 	    perror (infile);
329 	    goto end;
330    }
331 
332    if (certfile) {
333     	if(!(certsin = BIO_new_file(certfile, "r"))) {
334 	    BIO_printf(bio_err, "Can't open certificate file %s\n", certfile);
335 	    perror (certfile);
336 	    goto end;
337 	}
338     }
339 
340     if (keyname) {
341     	if(!(inkey = BIO_new_file(keyname, "r"))) {
342 	    BIO_printf(bio_err, "Can't key certificate file %s\n", keyname);
343 	    perror (keyname);
344 	    goto end;
345 	}
346      }
347 
348 #ifdef CRYPTO_MDEBUG
349     CRYPTO_pop_info();
350     CRYPTO_push_info("write files");
351 #endif
352 
353     if (!outfile) {
354 	out = BIO_new_fp(stdout, BIO_NOCLOSE);
355 #ifdef VMS
356 	{
357 	    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
358 	    out = BIO_push(tmpbio, out);
359 	}
360 #endif
361     } else out = BIO_new_file(outfile, "wb");
362     if (!out) {
363 	BIO_printf(bio_err, "Error opening output file %s\n",
364 						outfile ? outfile : "<stdout>");
365 	perror (outfile);
366 	goto end;
367     }
368     if (twopass) {
369 #ifdef CRYPTO_MDEBUG
370     CRYPTO_push_info("read MAC password");
371 #endif
372 	if(EVP_read_pw_string (macpass, 50, "Enter MAC Password:", export_cert))
373 	{
374     	    BIO_printf (bio_err, "Can't read Password\n");
375     	    goto end;
376        	}
377 #ifdef CRYPTO_MDEBUG
378     CRYPTO_pop_info();
379 #endif
380     }
381 
382     if (export_cert) {
383 	EVP_PKEY *key = NULL;
384 	STACK_OF(PKCS12_SAFEBAG) *bags = NULL;
385 	STACK_OF(PKCS7) *safes = NULL;
386 	PKCS12_SAFEBAG *bag = NULL;
387 	PKCS8_PRIV_KEY_INFO *p8 = NULL;
388 	PKCS7 *authsafe = NULL;
389 	X509 *ucert = NULL;
390 	STACK_OF(X509) *certs=NULL;
391 	char *catmp = NULL;
392 	int i;
393 	unsigned char keyid[EVP_MAX_MD_SIZE];
394 	unsigned int keyidlen = 0;
395 
396 #ifdef CRYPTO_MDEBUG
397 	CRYPTO_push_info("process -export_cert");
398 	CRYPTO_push_info("reading private key");
399 #endif
400 	key = PEM_read_bio_PrivateKey(inkey ? inkey : in, NULL, NULL, passin);
401 	if (!inkey) (void) BIO_reset(in);
402 	else BIO_free(inkey);
403 	if (!key) {
404 		BIO_printf (bio_err, "Error loading private key\n");
405 		ERR_print_errors(bio_err);
406 		goto export_end;
407 	}
408 
409 #ifdef CRYPTO_MDEBUG
410 	CRYPTO_pop_info();
411 	CRYPTO_push_info("reading certs from input");
412 #endif
413 
414 	certs = sk_X509_new_null();
415 
416 	/* Load in all certs in input file */
417 	if(!cert_load(in, certs)) {
418 		BIO_printf(bio_err, "Error loading certificates from input\n");
419 		ERR_print_errors(bio_err);
420 		goto export_end;
421 	}
422 
423 #ifdef CRYPTO_MDEBUG
424 	CRYPTO_pop_info();
425 	CRYPTO_push_info("reading certs from input 2");
426 #endif
427 
428 	for(i = 0; i < sk_X509_num(certs); i++) {
429 		ucert = sk_X509_value(certs, i);
430 		if(X509_check_private_key(ucert, key)) {
431 			X509_digest(ucert, EVP_sha1(), keyid, &keyidlen);
432 			break;
433 		}
434 	}
435 	if(!keyidlen) {
436 		ucert = NULL;
437 		BIO_printf(bio_err, "No certificate matches private key\n");
438 		goto export_end;
439 	}
440 
441 #ifdef CRYPTO_MDEBUG
442 	CRYPTO_pop_info();
443 	CRYPTO_push_info("reading certs from certfile");
444 #endif
445 
446 	bags = sk_PKCS12_SAFEBAG_new_null ();
447 
448 	/* Add any more certificates asked for */
449 	if (certsin) {
450 		if(!cert_load(certsin, certs)) {
451 			BIO_printf(bio_err, "Error loading certificates from certfile\n");
452 			ERR_print_errors(bio_err);
453 			goto export_end;
454 		}
455 	    	BIO_free(certsin);
456  	}
457 
458 #ifdef CRYPTO_MDEBUG
459 	CRYPTO_pop_info();
460 	CRYPTO_push_info("building chain");
461 #endif
462 
463 	/* If chaining get chain from user cert */
464 	if (chain) {
465         	int vret;
466 		STACK_OF(X509) *chain2;
467 		X509_STORE *store = X509_STORE_new();
468 		if (!store)
469 			{
470 			BIO_printf (bio_err, "Memory allocation error\n");
471 			goto export_end;
472 			}
473 		if (!X509_STORE_load_locations(store, CAfile, CApath))
474 			X509_STORE_set_default_paths (store);
475 
476 		vret = get_cert_chain (ucert, store, &chain2);
477 		X509_STORE_free(store);
478 
479 		if (!vret) {
480 		    /* Exclude verified certificate */
481 		    for (i = 1; i < sk_X509_num (chain2) ; i++)
482 			sk_X509_push(certs, sk_X509_value (chain2, i));
483 		}
484 		sk_X509_free(chain2);
485 		if (vret) {
486 			BIO_printf (bio_err, "Error %s getting chain.\n",
487 					X509_verify_cert_error_string(vret));
488 			goto export_end;
489 		}
490     	}
491 
492 #ifdef CRYPTO_MDEBUG
493 	CRYPTO_pop_info();
494 	CRYPTO_push_info("building bags");
495 #endif
496 
497 	/* We now have loads of certificates: include them all */
498 	for(i = 0; i < sk_X509_num(certs); i++) {
499 		X509 *cert = NULL;
500 		cert = sk_X509_value(certs, i);
501 		bag = M_PKCS12_x5092certbag(cert);
502 		/* If it matches private key set id */
503 		if(cert == ucert) {
504 			if(name) PKCS12_add_friendlyname(bag, name, -1);
505 			PKCS12_add_localkeyid(bag, keyid, keyidlen);
506 		} else if((catmp = sk_shift(canames)))
507 				PKCS12_add_friendlyname(bag, catmp, -1);
508 		sk_PKCS12_SAFEBAG_push(bags, bag);
509 	}
510 	sk_X509_pop_free(certs, X509_free);
511 	certs = NULL;
512 	/* ucert is part of certs so it is already freed */
513 	ucert = NULL;
514 
515 #ifdef CRYPTO_MDEBUG
516 	CRYPTO_pop_info();
517 	CRYPTO_push_info("encrypting bags");
518 #endif
519 
520 	if(!noprompt &&
521 		EVP_read_pw_string(pass, 50, "Enter Export Password:", 1)) {
522 	    BIO_printf (bio_err, "Can't read Password\n");
523 	    goto export_end;
524         }
525 	if (!twopass) strcpy(macpass, pass);
526 	/* Turn certbags into encrypted authsafe */
527 	authsafe = PKCS12_pack_p7encdata(cert_pbe, cpass, -1, NULL, 0,
528 								 iter, bags);
529 	sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
530 	bags = NULL;
531 
532 	if (!authsafe) {
533 		ERR_print_errors (bio_err);
534 		goto export_end;
535 	}
536 
537 	safes = sk_PKCS7_new_null ();
538 	sk_PKCS7_push (safes, authsafe);
539 
540 #ifdef CRYPTO_MDEBUG
541 	CRYPTO_pop_info();
542 	CRYPTO_push_info("building shrouded key bag");
543 #endif
544 
545 	/* Make a shrouded key bag */
546 	p8 = EVP_PKEY2PKCS8 (key);
547 	if(keytype) PKCS8_add_keyusage(p8, keytype);
548 	bag = PKCS12_MAKE_SHKEYBAG(key_pbe, cpass, -1, NULL, 0, iter, p8);
549 	PKCS8_PRIV_KEY_INFO_free(p8);
550 	p8 = NULL;
551         if (name) PKCS12_add_friendlyname (bag, name, -1);
552 	PKCS12_add_localkeyid (bag, keyid, keyidlen);
553 	bags = sk_PKCS12_SAFEBAG_new_null();
554 	sk_PKCS12_SAFEBAG_push (bags, bag);
555 
556 #ifdef CRYPTO_MDEBUG
557 	CRYPTO_pop_info();
558 	CRYPTO_push_info("encrypting shrouded key bag");
559 #endif
560 
561 	/* Turn it into unencrypted safe bag */
562 	authsafe = PKCS12_pack_p7data (bags);
563 	sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
564 	bags = NULL;
565 	sk_PKCS7_push (safes, authsafe);
566 
567 #ifdef CRYPTO_MDEBUG
568 	CRYPTO_pop_info();
569 	CRYPTO_push_info("building pkcs12");
570 #endif
571 
572 	p12 = PKCS12_init (NID_pkcs7_data);
573 
574 	M_PKCS12_pack_authsafes (p12, safes);
575 
576 	sk_PKCS7_pop_free(safes, PKCS7_free);
577 	safes = NULL;
578 
579 	PKCS12_set_mac (p12, mpass, -1, NULL, 0, maciter, NULL);
580 
581 #ifdef CRYPTO_MDEBUG
582 	CRYPTO_pop_info();
583 	CRYPTO_push_info("writing pkcs12");
584 #endif
585 
586 	i2d_PKCS12_bio (out, p12);
587 
588 	ret = 0;
589 
590     export_end:
591 #ifdef CRYPTO_MDEBUG
592 	CRYPTO_pop_info();
593 	CRYPTO_pop_info();
594 	CRYPTO_push_info("process -export_cert: freeing");
595 #endif
596 
597 	if (key) EVP_PKEY_free(key);
598 	if (certs) sk_X509_pop_free(certs, X509_free);
599 	if (safes) sk_PKCS7_pop_free(safes, PKCS7_free);
600 	if (bags) sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
601 	if (ucert) X509_free(ucert);
602 
603 #ifdef CRYPTO_MDEBUG
604 	CRYPTO_pop_info();
605 #endif
606 	goto end;
607 
608     }
609 
610     if (!(p12 = d2i_PKCS12_bio (in, NULL))) {
611 	ERR_print_errors(bio_err);
612 	goto end;
613     }
614 
615 #ifdef CRYPTO_MDEBUG
616     CRYPTO_push_info("read import password");
617 #endif
618     if(!noprompt && EVP_read_pw_string(pass, 50, "Enter Import Password:", 0)) {
619 	BIO_printf (bio_err, "Can't read Password\n");
620 	goto end;
621     }
622 #ifdef CRYPTO_MDEBUG
623     CRYPTO_pop_info();
624 #endif
625 
626     if (!twopass) strcpy(macpass, pass);
627 
628     if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);
629     if(macver) {
630 #ifdef CRYPTO_MDEBUG
631     CRYPTO_push_info("verify MAC");
632 #endif
633 	/* If we enter empty password try no password first */
634 	if(!macpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
635 		/* If mac and crypto pass the same set it to NULL too */
636 		if(!twopass) cpass = NULL;
637 	} else if (!PKCS12_verify_mac(p12, mpass, -1)) {
638 	    BIO_printf (bio_err, "Mac verify error: invalid password?\n");
639 	    ERR_print_errors (bio_err);
640 	    goto end;
641 	}
642 	BIO_printf (bio_err, "MAC verified OK\n");
643 #ifdef CRYPTO_MDEBUG
644     CRYPTO_pop_info();
645 #endif
646     }
647 
648 #ifdef CRYPTO_MDEBUG
649     CRYPTO_push_info("output keys and certificates");
650 #endif
651     if (!dump_certs_keys_p12 (out, p12, cpass, -1, options, passout)) {
652 	BIO_printf(bio_err, "Error outputting keys and certificates\n");
653 	ERR_print_errors (bio_err);
654 	goto end;
655     }
656 #ifdef CRYPTO_MDEBUG
657     CRYPTO_pop_info();
658 #endif
659     ret = 0;
660  end:
661     if (p12) PKCS12_free(p12);
662     if(export_cert || inrand) app_RAND_write_file(NULL, bio_err);
663 #ifdef CRYPTO_MDEBUG
664     CRYPTO_remove_all_info();
665 #endif
666     BIO_free(in);
667     BIO_free_all(out);
668     if (canames) sk_free(canames);
669     if(passin) OPENSSL_free(passin);
670     if(passout) OPENSSL_free(passout);
671     EXIT(ret);
672 }
673 
674 int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, char *pass,
675 	     int passlen, int options, char *pempass)
676 {
677 	STACK_OF(PKCS7) *asafes;
678 	STACK_OF(PKCS12_SAFEBAG) *bags;
679 	int i, bagnid;
680 	PKCS7 *p7;
681 
682 	if (!( asafes = M_PKCS12_unpack_authsafes (p12))) return 0;
683 	for (i = 0; i < sk_PKCS7_num (asafes); i++) {
684 		p7 = sk_PKCS7_value (asafes, i);
685 		bagnid = OBJ_obj2nid (p7->type);
686 		if (bagnid == NID_pkcs7_data) {
687 			bags = M_PKCS12_unpack_p7data (p7);
688 			if (options & INFO) BIO_printf (bio_err, "PKCS7 Data\n");
689 		} else if (bagnid == NID_pkcs7_encrypted) {
690 			if (options & INFO) {
691 				BIO_printf (bio_err, "PKCS7 Encrypted data: ");
692 				alg_print (bio_err,
693 					p7->d.encrypted->enc_data->algorithm);
694 			}
695 			bags = M_PKCS12_unpack_p7encdata (p7, pass, passlen);
696 		} else continue;
697 		if (!bags) return 0;
698 	    	if (!dump_certs_pkeys_bags (out, bags, pass, passlen,
699 						 options, pempass)) {
700 			sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);
701 			return 0;
702 		}
703 		sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);
704 	}
705 	sk_PKCS7_pop_free (asafes, PKCS7_free);
706 	return 1;
707 }
708 
709 int dump_certs_pkeys_bags (BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
710 			   char *pass, int passlen, int options, char *pempass)
711 {
712 	int i;
713 	for (i = 0; i < sk_PKCS12_SAFEBAG_num (bags); i++) {
714 		if (!dump_certs_pkeys_bag (out,
715 					   sk_PKCS12_SAFEBAG_value (bags, i),
716 					   pass, passlen,
717 					   options, pempass))
718 		    return 0;
719 	}
720 	return 1;
721 }
722 
723 int dump_certs_pkeys_bag (BIO *out, PKCS12_SAFEBAG *bag, char *pass,
724 	     int passlen, int options, char *pempass)
725 {
726 	EVP_PKEY *pkey;
727 	PKCS8_PRIV_KEY_INFO *p8;
728 	X509 *x509;
729 
730 	switch (M_PKCS12_bag_type(bag))
731 	{
732 	case NID_keyBag:
733 		if (options & INFO) BIO_printf (bio_err, "Key bag\n");
734 		if (options & NOKEYS) return 1;
735 		print_attribs (out, bag->attrib, "Bag Attributes");
736 		p8 = bag->value.keybag;
737 		if (!(pkey = EVP_PKCS82PKEY (p8))) return 0;
738 		print_attribs (out, p8->attributes, "Key Attributes");
739 		PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);
740 		EVP_PKEY_free(pkey);
741 	break;
742 
743 	case NID_pkcs8ShroudedKeyBag:
744 		if (options & INFO) {
745 			BIO_printf (bio_err, "Shrouded Keybag: ");
746 			alg_print (bio_err, bag->value.shkeybag->algor);
747 		}
748 		if (options & NOKEYS) return 1;
749 		print_attribs (out, bag->attrib, "Bag Attributes");
750 		if (!(p8 = M_PKCS12_decrypt_skey (bag, pass, passlen)))
751 				return 0;
752 		if (!(pkey = EVP_PKCS82PKEY (p8))) {
753 			PKCS8_PRIV_KEY_INFO_free(p8);
754 			return 0;
755 		}
756 		print_attribs (out, p8->attributes, "Key Attributes");
757 		PKCS8_PRIV_KEY_INFO_free(p8);
758 		PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);
759 		EVP_PKEY_free(pkey);
760 	break;
761 
762 	case NID_certBag:
763 		if (options & INFO) BIO_printf (bio_err, "Certificate bag\n");
764 		if (options & NOCERTS) return 1;
765                 if (PKCS12_get_attr(bag, NID_localKeyID)) {
766 			if (options & CACERTS) return 1;
767 		} else if (options & CLCERTS) return 1;
768 		print_attribs (out, bag->attrib, "Bag Attributes");
769 		if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate )
770 								 return 1;
771 		if (!(x509 = M_PKCS12_certbag2x509(bag))) return 0;
772 		dump_cert_text (out, x509);
773 		PEM_write_bio_X509 (out, x509);
774 		X509_free(x509);
775 	break;
776 
777 	case NID_safeContentsBag:
778 		if (options & INFO) BIO_printf (bio_err, "Safe Contents bag\n");
779 		print_attribs (out, bag->attrib, "Bag Attributes");
780 		return dump_certs_pkeys_bags (out, bag->value.safes, pass,
781 							    passlen, options, pempass);
782 
783 	default:
784 		BIO_printf (bio_err, "Warning unsupported bag type: ");
785 		i2a_ASN1_OBJECT (bio_err, bag->type);
786 		BIO_printf (bio_err, "\n");
787 		return 1;
788 	break;
789 	}
790 	return 1;
791 }
792 
793 /* Given a single certificate return a verified chain or NULL if error */
794 
795 /* Hope this is OK .... */
796 
797 int get_cert_chain (X509 *cert, X509_STORE *store, STACK_OF(X509) **chain)
798 {
799 	X509_STORE_CTX store_ctx;
800 	STACK_OF(X509) *chn;
801 	int i;
802 
803 	X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
804 	if (X509_verify_cert(&store_ctx) <= 0) {
805 		i = X509_STORE_CTX_get_error (&store_ctx);
806 		goto err;
807 	}
808 	chn =  X509_STORE_CTX_get1_chain(&store_ctx);
809 	i = 0;
810 	*chain = chn;
811 err:
812 	X509_STORE_CTX_cleanup(&store_ctx);
813 
814 	return i;
815 }
816 
817 int alg_print (BIO *x, X509_ALGOR *alg)
818 {
819 	PBEPARAM *pbe;
820 	unsigned char *p;
821 	p = alg->parameter->value.sequence->data;
822 	pbe = d2i_PBEPARAM (NULL, &p, alg->parameter->value.sequence->length);
823 	BIO_printf (bio_err, "%s, Iteration %d\n",
824 	OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)), ASN1_INTEGER_get(pbe->iter));
825 	PBEPARAM_free (pbe);
826 	return 0;
827 }
828 
829 /* Load all certificates from a given file */
830 
831 int cert_load(BIO *in, STACK_OF(X509) *sk)
832 {
833 	int ret;
834 	X509 *cert;
835 	ret = 0;
836 #ifdef CRYPTO_MDEBUG
837 	CRYPTO_push_info("cert_load(): reading one cert");
838 #endif
839 	while((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
840 #ifdef CRYPTO_MDEBUG
841 		CRYPTO_pop_info();
842 #endif
843 		ret = 1;
844 		sk_X509_push(sk, cert);
845 #ifdef CRYPTO_MDEBUG
846 		CRYPTO_push_info("cert_load(): reading one cert");
847 #endif
848 	}
849 #ifdef CRYPTO_MDEBUG
850 	CRYPTO_pop_info();
851 #endif
852 	if(ret) ERR_clear_error();
853 	return ret;
854 }
855 
856 /* Generalised attribute print: handle PKCS#8 and bag attributes */
857 
858 int print_attribs (BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst, char *name)
859 {
860 	X509_ATTRIBUTE *attr;
861 	ASN1_TYPE *av;
862 	char *value;
863 	int i, attr_nid;
864 	if(!attrlst) {
865 		BIO_printf(out, "%s: <No Attributes>\n", name);
866 		return 1;
867 	}
868 	if(!sk_X509_ATTRIBUTE_num(attrlst)) {
869 		BIO_printf(out, "%s: <Empty Attributes>\n", name);
870 		return 1;
871 	}
872 	BIO_printf(out, "%s\n", name);
873 	for(i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
874 		attr = sk_X509_ATTRIBUTE_value(attrlst, i);
875 		attr_nid = OBJ_obj2nid(attr->object);
876 		BIO_printf(out, "    ");
877 		if(attr_nid == NID_undef) {
878 			i2a_ASN1_OBJECT (out, attr->object);
879 			BIO_printf(out, ": ");
880 		} else BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
881 
882 		if(sk_ASN1_TYPE_num(attr->value.set)) {
883 			av = sk_ASN1_TYPE_value(attr->value.set, 0);
884 			switch(av->type) {
885 				case V_ASN1_BMPSTRING:
886         			value = uni2asc(av->value.bmpstring->data,
887                                 	       av->value.bmpstring->length);
888 				BIO_printf(out, "%s\n", value);
889 				OPENSSL_free(value);
890 				break;
891 
892 				case V_ASN1_OCTET_STRING:
893 				hex_prin(out, av->value.octet_string->data,
894 					av->value.octet_string->length);
895 				BIO_printf(out, "\n");
896 				break;
897 
898 				case V_ASN1_BIT_STRING:
899 				hex_prin(out, av->value.bit_string->data,
900 					av->value.bit_string->length);
901 				BIO_printf(out, "\n");
902 				break;
903 
904 				default:
905 					BIO_printf(out, "<Unsupported tag %d>\n", av->type);
906 				break;
907 			}
908 		} else BIO_printf(out, "<No Values>\n");
909 	}
910 	return 1;
911 }
912 
913 void hex_prin(BIO *out, unsigned char *buf, int len)
914 {
915 	int i;
916 	for (i = 0; i < len; i++) BIO_printf (out, "%02X ", buf[i]);
917 }
918 
919 #endif
920