xref: /freebsd/crypto/openssl/apps/pkcs12.c (revision 23f282aa31e9b6fceacd449020e936e98d6f2298)
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, 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 *bags, char *pass, int passlen, int options, char *pempass);
84 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, char *pass, int passlen, int options, char *pempass);
85 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst, char *name);
86 void hex_prin(BIO *out, unsigned char *buf, int len);
87 int alg_print(BIO *x, X509_ALGOR *alg);
88 int cert_load(BIO *in, STACK_OF(X509) *sk);
89 
90 int MAIN(int, char **);
91 
92 int MAIN(int argc, char **argv)
93 {
94     char *infile=NULL, *outfile=NULL, *keyname = NULL;
95     char *certfile=NULL;
96     BIO *in=NULL, *out = NULL, *inkey = NULL, *certsin = NULL;
97     char **args;
98     char *name = NULL;
99     PKCS12 *p12 = NULL;
100     char pass[50], macpass[50];
101     int export_cert = 0;
102     int options = 0;
103     int chain = 0;
104     int badarg = 0;
105     int iter = PKCS12_DEFAULT_ITER;
106     int maciter = PKCS12_DEFAULT_ITER;
107     int twopass = 0;
108     int keytype = 0;
109     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
110     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
111     int ret = 1;
112     int macver = 1;
113     int noprompt = 0;
114     STACK *canames = NULL;
115     char *cpass = NULL, *mpass = NULL;
116     char *passargin = NULL, *passargout = NULL, *passarg = NULL;
117     char *passin = NULL, *passout = NULL;
118     char *inrand = NULL;
119 
120     apps_startup();
121 
122     enc = EVP_des_ede3_cbc();
123     if (bio_err == NULL ) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
124 
125     args = argv + 1;
126 
127 
128     while (*args) {
129 	if (*args[0] == '-') {
130 		if (!strcmp (*args, "-nokeys")) options |= NOKEYS;
131 		else if (!strcmp (*args, "-keyex")) keytype = KEY_EX;
132 		else if (!strcmp (*args, "-keysig")) keytype = KEY_SIG;
133 		else if (!strcmp (*args, "-nocerts")) options |= NOCERTS;
134 		else if (!strcmp (*args, "-clcerts")) options |= CLCERTS;
135 		else if (!strcmp (*args, "-cacerts")) options |= CACERTS;
136 		else if (!strcmp (*args, "-noout")) options |= (NOKEYS|NOCERTS);
137 		else if (!strcmp (*args, "-info")) options |= INFO;
138 		else if (!strcmp (*args, "-chain")) chain = 1;
139 		else if (!strcmp (*args, "-twopass")) twopass = 1;
140 		else if (!strcmp (*args, "-nomacver")) macver = 0;
141 		else if (!strcmp (*args, "-descert"))
142     			cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
143 		else if (!strcmp (*args, "-export")) export_cert = 1;
144 		else if (!strcmp (*args, "-des")) enc=EVP_des_cbc();
145 #ifndef NO_IDEA
146 		else if (!strcmp (*args, "-idea")) enc=EVP_idea_cbc();
147 #endif
148 		else if (!strcmp (*args, "-des3")) enc = EVP_des_ede3_cbc();
149 		else if (!strcmp (*args, "-noiter")) iter = 1;
150 		else if (!strcmp (*args, "-maciter"))
151 					 maciter = PKCS12_DEFAULT_ITER;
152 		else if (!strcmp (*args, "-nomaciter"))
153 					 maciter = 1;
154 		else if (!strcmp (*args, "-nodes")) enc=NULL;
155 		else if (!strcmp (*args, "-certpbe")) {
156 			if (args[1]) {
157 				args++;
158 				cert_pbe=OBJ_txt2nid(*args);
159 				if(cert_pbe == NID_undef) {
160 					BIO_printf(bio_err,
161 						 "Unknown PBE algorithm %s\n", *args);
162 					badarg = 1;
163 				}
164 			} else badarg = 1;
165 		} else if (!strcmp (*args, "-keypbe")) {
166 			if (args[1]) {
167 				args++;
168 				key_pbe=OBJ_txt2nid(*args);
169 				if(key_pbe == NID_undef) {
170 					BIO_printf(bio_err,
171 						 "Unknown PBE algorithm %s\n", *args);
172 					badarg = 1;
173 				}
174 			} else badarg = 1;
175 		} else if (!strcmp (*args, "-rand")) {
176 		    if (args[1]) {
177 			args++;
178 			inrand = *args;
179 		    } else badarg = 1;
180 		} else if (!strcmp (*args, "-inkey")) {
181 		    if (args[1]) {
182 			args++;
183 			keyname = *args;
184 		    } else badarg = 1;
185 		} else if (!strcmp (*args, "-certfile")) {
186 		    if (args[1]) {
187 			args++;
188 			certfile = *args;
189 		    } else badarg = 1;
190 		} else if (!strcmp (*args, "-name")) {
191 		    if (args[1]) {
192 			args++;
193 			name = *args;
194 		    } else badarg = 1;
195 		} else if (!strcmp (*args, "-caname")) {
196 		    if (args[1]) {
197 			args++;
198 			if (!canames) canames = sk_new(NULL);
199 			sk_push(canames, *args);
200 		    } else badarg = 1;
201 		} else if (!strcmp (*args, "-in")) {
202 		    if (args[1]) {
203 			args++;
204 			infile = *args;
205 		    } else badarg = 1;
206 		} else if (!strcmp (*args, "-out")) {
207 		    if (args[1]) {
208 			args++;
209 			outfile = *args;
210 		    } else badarg = 1;
211 		} else if (!strcmp(*args,"-passin")) {
212 		    if (args[1]) {
213 			args++;
214 			passargin = *args;
215 		    } else badarg = 1;
216 		} else if (!strcmp(*args,"-passout")) {
217 		    if (args[1]) {
218 			args++;
219 			passargout = *args;
220 		    } else badarg = 1;
221 		} else if (!strcmp (*args, "-password")) {
222 		    if (args[1]) {
223 			args++;
224 			passarg = *args;
225 		    	noprompt = 1;
226 		    } else badarg = 1;
227 		} else badarg = 1;
228 
229 	} else badarg = 1;
230 	args++;
231     }
232 
233     if (badarg) {
234 	BIO_printf (bio_err, "Usage: pkcs12 [options]\n");
235 	BIO_printf (bio_err, "where options are\n");
236 	BIO_printf (bio_err, "-export       output PKCS12 file\n");
237 	BIO_printf (bio_err, "-chain        add certificate chain\n");
238 	BIO_printf (bio_err, "-inkey file   private key if not infile\n");
239 	BIO_printf (bio_err, "-certfile f   add all certs in f\n");
240 	BIO_printf (bio_err, "-name \"name\"  use name as friendly name\n");
241 	BIO_printf (bio_err, "-caname \"nm\"  use nm as CA friendly name (can be used more than once).\n");
242 	BIO_printf (bio_err, "-in  infile   input filename\n");
243 	BIO_printf (bio_err, "-out outfile  output filename\n");
244 	BIO_printf (bio_err, "-noout        don't output anything, just verify.\n");
245 	BIO_printf (bio_err, "-nomacver     don't verify MAC.\n");
246 	BIO_printf (bio_err, "-nocerts      don't output certificates.\n");
247 	BIO_printf (bio_err, "-clcerts      only output client certificates.\n");
248 	BIO_printf (bio_err, "-cacerts      only output CA certificates.\n");
249 	BIO_printf (bio_err, "-nokeys       don't output private keys.\n");
250 	BIO_printf (bio_err, "-info         give info about PKCS#12 structure.\n");
251 	BIO_printf (bio_err, "-des          encrypt private keys with DES\n");
252 	BIO_printf (bio_err, "-des3         encrypt private keys with triple DES (default)\n");
253 #ifndef NO_IDEA
254 	BIO_printf (bio_err, "-idea         encrypt private keys with idea\n");
255 #endif
256 	BIO_printf (bio_err, "-nodes        don't encrypt private keys\n");
257 	BIO_printf (bio_err, "-noiter       don't use encryption iteration\n");
258 	BIO_printf (bio_err, "-maciter      use MAC iteration\n");
259 	BIO_printf (bio_err, "-twopass      separate MAC, encryption passwords\n");
260 	BIO_printf (bio_err, "-descert      encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");
261 	BIO_printf (bio_err, "-certpbe alg  specify certificate PBE algorithm (default RC2-40)\n");
262 	BIO_printf (bio_err, "-keypbe alg   specify private key PBE algorithm (default 3DES)\n");
263 	BIO_printf (bio_err, "-keyex        set MS key exchange type\n");
264 	BIO_printf (bio_err, "-keysig       set MS key signature type\n");
265 	BIO_printf (bio_err, "-password p   set import/export password source\n");
266 	BIO_printf (bio_err, "-passin p     input file pass phrase source\n");
267 	BIO_printf (bio_err, "-passout p    output file pass phrase source\n");
268 	BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
269 	BIO_printf(bio_err,  "              load the file (or the files in the directory) into\n");
270 	BIO_printf(bio_err,  "              the random number generator\n");
271     	goto end;
272     }
273 
274     if(passarg) {
275 	if(export_cert) passargout = passarg;
276 	else passargin = passarg;
277     }
278 
279     if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
280 	BIO_printf(bio_err, "Error getting passwords\n");
281 	goto end;
282     }
283 
284     if(!cpass) {
285     	if(export_cert) cpass = passout;
286     	else cpass = passin;
287     }
288 
289     if(cpass) {
290 	mpass = cpass;
291 	noprompt = 1;
292     } else {
293 	cpass = pass;
294 	mpass = macpass;
295     }
296 
297     if(export_cert || inrand) {
298     	app_RAND_load_file(NULL, bio_err, (inrand != NULL));
299         if (inrand != NULL)
300 		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
301 			app_RAND_load_files(inrand));
302     }
303     ERR_load_crypto_strings();
304 
305 #ifdef CRYPTO_MDEBUG
306     CRYPTO_push_info("read files");
307 #endif
308 
309     if (!infile) in = BIO_new_fp(stdin, BIO_NOCLOSE);
310     else in = BIO_new_file(infile, "rb");
311     if (!in) {
312 	    BIO_printf(bio_err, "Error opening input file %s\n",
313 						infile ? infile : "<stdin>");
314 	    perror (infile);
315 	    goto end;
316    }
317 
318    if (certfile) {
319     	if(!(certsin = BIO_new_file(certfile, "r"))) {
320 	    BIO_printf(bio_err, "Can't open certificate file %s\n", certfile);
321 	    perror (certfile);
322 	    goto end;
323 	}
324     }
325 
326     if (keyname) {
327     	if(!(inkey = BIO_new_file(keyname, "r"))) {
328 	    BIO_printf(bio_err, "Can't key certificate file %s\n", keyname);
329 	    perror (keyname);
330 	    goto end;
331 	}
332      }
333 
334 #ifdef CRYPTO_MDEBUG
335     CRYPTO_pop_info();
336     CRYPTO_push_info("write files");
337 #endif
338 
339     if (!outfile) out = BIO_new_fp(stdout, BIO_NOCLOSE);
340     else out = BIO_new_file(outfile, "wb");
341     if (!out) {
342 	BIO_printf(bio_err, "Error opening output file %s\n",
343 						outfile ? outfile : "<stdout>");
344 	perror (outfile);
345 	goto end;
346     }
347     if (twopass) {
348 #ifdef CRYPTO_MDEBUG
349     CRYPTO_push_info("read MAC password");
350 #endif
351 	if(EVP_read_pw_string (macpass, 50, "Enter MAC Password:", export_cert))
352 	{
353     	    BIO_printf (bio_err, "Can't read Password\n");
354     	    goto end;
355        	}
356 #ifdef CRYPTO_MDEBUG
357     CRYPTO_pop_info();
358 #endif
359     }
360 
361     if (export_cert) {
362 	EVP_PKEY *key;
363 	STACK *bags, *safes;
364 	PKCS12_SAFEBAG *bag;
365 	PKCS8_PRIV_KEY_INFO *p8;
366 	PKCS7 *authsafe;
367 	X509 *ucert = NULL;
368 	STACK_OF(X509) *certs=NULL;
369 	char *catmp;
370 	int i;
371 	unsigned char keyid[EVP_MAX_MD_SIZE];
372 	unsigned int keyidlen = 0;
373 
374 #ifdef CRYPTO_MDEBUG
375 	CRYPTO_push_info("process -export_cert");
376 #endif
377 	key = PEM_read_bio_PrivateKey(inkey ? inkey : in, NULL, NULL, passin);
378 	if (!inkey) (void) BIO_reset(in);
379 	else BIO_free(inkey);
380 	if (!key) {
381 		BIO_printf (bio_err, "Error loading private key\n");
382 		ERR_print_errors(bio_err);
383 		goto end;
384 	}
385 
386 	certs = sk_X509_new(NULL);
387 
388 	/* Load in all certs in input file */
389 	if(!cert_load(in, certs)) {
390 		BIO_printf(bio_err, "Error loading certificates from input\n");
391 		ERR_print_errors(bio_err);
392 		goto end;
393 	}
394 
395 	for(i = 0; i < sk_X509_num(certs); i++) {
396 		ucert = sk_X509_value(certs, i);
397 		if(X509_check_private_key(ucert, key)) {
398 			X509_digest(ucert, EVP_sha1(), keyid, &keyidlen);
399 			break;
400 		}
401 	}
402 
403 	if(!keyidlen) {
404 		BIO_printf(bio_err, "No certificate matches private key\n");
405 		goto end;
406 	}
407 
408 	bags = sk_new (NULL);
409 
410 	/* Add any more certificates asked for */
411 	if (certsin) {
412 		if(!cert_load(certsin, certs)) {
413 			BIO_printf(bio_err, "Error loading certificates from certfile\n");
414 			ERR_print_errors(bio_err);
415 			goto end;
416 		}
417 	    	BIO_free(certsin);
418  	}
419 
420 	/* If chaining get chain from user cert */
421 	if (chain) {
422         	int vret;
423 		STACK_OF(X509) *chain2;
424 		vret = get_cert_chain (ucert, &chain2);
425 		if (vret) {
426 			BIO_printf (bio_err, "Error %s getting chain.\n",
427 					X509_verify_cert_error_string(vret));
428 			goto end;
429 		}
430 		/* Exclude verified certificate */
431 		for (i = 1; i < sk_X509_num (chain2) ; i++)
432 				 sk_X509_push(certs, sk_X509_value (chain2, i));
433 		sk_X509_free(chain2);
434 
435     	}
436 
437 	/* We now have loads of certificates: include them all */
438 	for(i = 0; i < sk_X509_num(certs); i++) {
439 		X509 *cert = NULL;
440 		cert = sk_X509_value(certs, i);
441 		bag = M_PKCS12_x5092certbag(cert);
442 		/* If it matches private key set id */
443 		if(cert == ucert) {
444 			if(name) PKCS12_add_friendlyname(bag, name, -1);
445 			PKCS12_add_localkeyid(bag, keyid, keyidlen);
446 		} else if((catmp = sk_shift(canames)))
447 				PKCS12_add_friendlyname(bag, catmp, -1);
448 		sk_push(bags, (char *)bag);
449 	}
450 	sk_X509_pop_free(certs, X509_free);
451 	if (canames) sk_free(canames);
452 
453 	if(!noprompt &&
454 		EVP_read_pw_string(pass, 50, "Enter Export Password:", 1)) {
455 	    BIO_printf (bio_err, "Can't read Password\n");
456 	    goto end;
457         }
458 	if (!twopass) strcpy(macpass, pass);
459 	/* Turn certbags into encrypted authsafe */
460 	authsafe = PKCS12_pack_p7encdata(cert_pbe, cpass, -1, NULL, 0,
461 								 iter, bags);
462 	sk_pop_free(bags, PKCS12_SAFEBAG_free);
463 
464 	if (!authsafe) {
465 		ERR_print_errors (bio_err);
466 		goto end;
467 	}
468 
469 	safes = sk_new (NULL);
470 	sk_push (safes, (char *)authsafe);
471 
472 	/* Make a shrouded key bag */
473 	p8 = EVP_PKEY2PKCS8 (key);
474 	EVP_PKEY_free(key);
475 	if(keytype) PKCS8_add_keyusage(p8, keytype);
476 	bag = PKCS12_MAKE_SHKEYBAG(key_pbe, cpass, -1, NULL, 0, iter, p8);
477 	PKCS8_PRIV_KEY_INFO_free(p8);
478         if (name) PKCS12_add_friendlyname (bag, name, -1);
479 	PKCS12_add_localkeyid (bag, keyid, keyidlen);
480 	bags = sk_new(NULL);
481 	sk_push (bags, (char *)bag);
482 	/* Turn it into unencrypted safe bag */
483 	authsafe = PKCS12_pack_p7data (bags);
484 	sk_pop_free(bags, PKCS12_SAFEBAG_free);
485 	sk_push (safes, (char *)authsafe);
486 
487 	p12 = PKCS12_init (NID_pkcs7_data);
488 
489 	M_PKCS12_pack_authsafes (p12, safes);
490 
491 	sk_pop_free(safes, PKCS7_free);
492 
493 	PKCS12_set_mac (p12, mpass, -1, NULL, 0, maciter, NULL);
494 
495 	i2d_PKCS12_bio (out, p12);
496 
497 	PKCS12_free(p12);
498 
499 	ret = 0;
500 
501 #ifdef CRYPTO_MDEBUG
502 	CRYPTO_pop_info();
503 #endif
504 	goto end;
505 
506     }
507 
508     if (!(p12 = d2i_PKCS12_bio (in, NULL))) {
509 	ERR_print_errors(bio_err);
510 	goto end;
511     }
512 
513 #ifdef CRYPTO_MDEBUG
514     CRYPTO_push_info("read import password");
515 #endif
516     if(!noprompt && EVP_read_pw_string(pass, 50, "Enter Import Password:", 0)) {
517 	BIO_printf (bio_err, "Can't read Password\n");
518 	goto end;
519     }
520 #ifdef CRYPTO_MDEBUG
521     CRYPTO_pop_info();
522 #endif
523 
524     if (!twopass) strcpy(macpass, pass);
525 
526     if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);
527     if(macver) {
528 #ifdef CRYPTO_MDEBUG
529     CRYPTO_push_info("verify MAC");
530 #endif
531 	if (!PKCS12_verify_mac (p12, mpass, -1)) {
532 	    BIO_printf (bio_err, "Mac verify error: invalid password?\n");
533 	    ERR_print_errors (bio_err);
534 	    goto end;
535 	} else BIO_printf (bio_err, "MAC verified OK\n");
536 #ifdef CRYPTO_MDEBUG
537     CRYPTO_pop_info();
538 #endif
539     }
540 
541 #ifdef CRYPTO_MDEBUG
542     CRYPTO_push_info("output keys and certificates");
543 #endif
544     if (!dump_certs_keys_p12 (out, p12, cpass, -1, options, passout)) {
545 	BIO_printf(bio_err, "Error outputting keys and certificates\n");
546 	ERR_print_errors (bio_err);
547 	goto end;
548     }
549 #ifdef CRYPTO_MDEBUG
550     CRYPTO_pop_info();
551 #endif
552     PKCS12_free(p12);
553     ret = 0;
554     end:
555     if(export_cert || inrand) app_RAND_write_file(NULL, bio_err);
556 #ifdef CRYPTO_MDEBUG
557     CRYPTO_remove_all_info();
558 #endif
559     BIO_free(in);
560     BIO_free(out);
561     if(passin) Free(passin);
562     if(passout) Free(passout);
563     EXIT(ret);
564 }
565 
566 int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, char *pass,
567 	     int passlen, int options, char *pempass)
568 {
569 	STACK *asafes, *bags;
570 	int i, bagnid;
571 	PKCS7 *p7;
572 	if (!( asafes = M_PKCS12_unpack_authsafes (p12))) return 0;
573 	for (i = 0; i < sk_num (asafes); i++) {
574 		p7 = (PKCS7 *) sk_value (asafes, i);
575 		bagnid = OBJ_obj2nid (p7->type);
576 		if (bagnid == NID_pkcs7_data) {
577 			bags = M_PKCS12_unpack_p7data (p7);
578 			if (options & INFO) BIO_printf (bio_err, "PKCS7 Data\n");
579 		} else if (bagnid == NID_pkcs7_encrypted) {
580 			if (options & INFO) {
581 				BIO_printf (bio_err, "PKCS7 Encrypted data: ");
582 				alg_print (bio_err,
583 					p7->d.encrypted->enc_data->algorithm);
584 			}
585 			bags = M_PKCS12_unpack_p7encdata (p7, pass, passlen);
586 		} else continue;
587 		if (!bags) return 0;
588 	    	if (!dump_certs_pkeys_bags (out, bags, pass, passlen,
589 						 options, pempass)) {
590 			sk_pop_free (bags, PKCS12_SAFEBAG_free);
591 			return 0;
592 		}
593 		sk_pop_free (bags, PKCS12_SAFEBAG_free);
594 	}
595 	sk_pop_free (asafes, PKCS7_free);
596 	return 1;
597 }
598 
599 int dump_certs_pkeys_bags (BIO *out, STACK *bags, char *pass,
600 	     int passlen, int options, char *pempass)
601 {
602 	int i;
603 	for (i = 0; i < sk_num (bags); i++) {
604 		if (!dump_certs_pkeys_bag (out,
605 			 (PKCS12_SAFEBAG *)sk_value (bags, i), pass, passlen,
606 					 	options, pempass)) return 0;
607 	}
608 	return 1;
609 }
610 
611 int dump_certs_pkeys_bag (BIO *out, PKCS12_SAFEBAG *bag, char *pass,
612 	     int passlen, int options, char *pempass)
613 {
614 	EVP_PKEY *pkey;
615 	PKCS8_PRIV_KEY_INFO *p8;
616 	X509 *x509;
617 
618 	switch (M_PKCS12_bag_type(bag))
619 	{
620 	case NID_keyBag:
621 		if (options & INFO) BIO_printf (bio_err, "Key bag\n");
622 		if (options & NOKEYS) return 1;
623 		print_attribs (out, bag->attrib, "Bag Attributes");
624 		p8 = bag->value.keybag;
625 		if (!(pkey = EVP_PKCS82PKEY (p8))) return 0;
626 		print_attribs (out, p8->attributes, "Key Attributes");
627 		PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);
628 		EVP_PKEY_free(pkey);
629 	break;
630 
631 	case NID_pkcs8ShroudedKeyBag:
632 		if (options & INFO) {
633 			BIO_printf (bio_err, "Shrouded Keybag: ");
634 			alg_print (bio_err, bag->value.shkeybag->algor);
635 		}
636 		if (options & NOKEYS) return 1;
637 		print_attribs (out, bag->attrib, "Bag Attributes");
638 		if (!(p8 = M_PKCS12_decrypt_skey (bag, pass, passlen)))
639 				return 0;
640 		if (!(pkey = EVP_PKCS82PKEY (p8))) return 0;
641 		print_attribs (out, p8->attributes, "Key Attributes");
642 		PKCS8_PRIV_KEY_INFO_free(p8);
643 		PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);
644 		EVP_PKEY_free(pkey);
645 	break;
646 
647 	case NID_certBag:
648 		if (options & INFO) BIO_printf (bio_err, "Certificate bag\n");
649 		if (options & NOCERTS) return 1;
650                 if (PKCS12_get_attr(bag, NID_localKeyID)) {
651 			if (options & CACERTS) return 1;
652 		} else if (options & CLCERTS) return 1;
653 		print_attribs (out, bag->attrib, "Bag Attributes");
654 		if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate )
655 								 return 1;
656 		if (!(x509 = M_PKCS12_certbag2x509(bag))) return 0;
657 		dump_cert_text (out, x509);
658 		PEM_write_bio_X509 (out, x509);
659 		X509_free(x509);
660 	break;
661 
662 	case NID_safeContentsBag:
663 		if (options & INFO) BIO_printf (bio_err, "Safe Contents bag\n");
664 		print_attribs (out, bag->attrib, "Bag Attributes");
665 		return dump_certs_pkeys_bags (out, bag->value.safes, pass,
666 							    passlen, options, pempass);
667 
668 	default:
669 		BIO_printf (bio_err, "Warning unsupported bag type: ");
670 		i2a_ASN1_OBJECT (bio_err, bag->type);
671 		BIO_printf (bio_err, "\n");
672 		return 1;
673 	break;
674 	}
675 	return 1;
676 }
677 
678 /* Given a single certificate return a verified chain or NULL if error */
679 
680 /* Hope this is OK .... */
681 
682 int get_cert_chain (X509 *cert, STACK_OF(X509) **chain)
683 {
684 	X509_STORE *store;
685 	X509_STORE_CTX store_ctx;
686 	STACK_OF(X509) *chn;
687 	int i;
688 
689 	store = X509_STORE_new ();
690 	X509_STORE_set_default_paths (store);
691 	X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
692 	if (X509_verify_cert(&store_ctx) <= 0) {
693 		i = X509_STORE_CTX_get_error (&store_ctx);
694 		goto err;
695 	}
696 	chn =  X509_STORE_CTX_get1_chain(&store_ctx);
697 	i = 0;
698 	*chain = chn;
699 err:
700 	X509_STORE_CTX_cleanup(&store_ctx);
701 	X509_STORE_free(store);
702 
703 	return i;
704 }
705 
706 int alg_print (BIO *x, X509_ALGOR *alg)
707 {
708 	PBEPARAM *pbe;
709 	unsigned char *p;
710 	p = alg->parameter->value.sequence->data;
711 	pbe = d2i_PBEPARAM (NULL, &p, alg->parameter->value.sequence->length);
712 	BIO_printf (bio_err, "%s, Iteration %d\n",
713 	OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)), ASN1_INTEGER_get(pbe->iter));
714 	PBEPARAM_free (pbe);
715 	return 0;
716 }
717 
718 /* Load all certificates from a given file */
719 
720 int cert_load(BIO *in, STACK_OF(X509) *sk)
721 {
722 	int ret;
723 	X509 *cert;
724 	ret = 0;
725 	while((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
726 		ret = 1;
727 		sk_X509_push(sk, cert);
728 	}
729 	if(ret) ERR_clear_error();
730 	return ret;
731 }
732 
733 /* Generalised attribute print: handle PKCS#8 and bag attributes */
734 
735 int print_attribs (BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst, char *name)
736 {
737 	X509_ATTRIBUTE *attr;
738 	ASN1_TYPE *av;
739 	char *value;
740 	int i, attr_nid;
741 	if(!attrlst) {
742 		BIO_printf(out, "%s: <No Attributes>\n", name);
743 		return 1;
744 	}
745 	if(!sk_X509_ATTRIBUTE_num(attrlst)) {
746 		BIO_printf(out, "%s: <Empty Attributes>\n", name);
747 		return 1;
748 	}
749 	BIO_printf(out, "%s\n", name);
750 	for(i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
751 		attr = sk_X509_ATTRIBUTE_value(attrlst, i);
752 		attr_nid = OBJ_obj2nid(attr->object);
753 		BIO_printf(out, "    ");
754 		if(attr_nid == NID_undef) {
755 			i2a_ASN1_OBJECT (out, attr->object);
756 			BIO_printf(out, ": ");
757 		} else BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
758 
759 		if(sk_ASN1_TYPE_num(attr->value.set)) {
760 			av = sk_ASN1_TYPE_value(attr->value.set, 0);
761 			switch(av->type) {
762 				case V_ASN1_BMPSTRING:
763         			value = uni2asc(av->value.bmpstring->data,
764                                 	       av->value.bmpstring->length);
765 				BIO_printf(out, "%s\n", value);
766 				Free(value);
767 				break;
768 
769 				case V_ASN1_OCTET_STRING:
770 				hex_prin(out, av->value.bit_string->data,
771 					av->value.bit_string->length);
772 				BIO_printf(out, "\n");
773 				break;
774 
775 				case V_ASN1_BIT_STRING:
776 				hex_prin(out, av->value.octet_string->data,
777 					av->value.octet_string->length);
778 				BIO_printf(out, "\n");
779 				break;
780 
781 				default:
782 					BIO_printf(out, "<Unsupported tag %d>\n", av->type);
783 				break;
784 			}
785 		} else BIO_printf(out, "<No Values>\n");
786 	}
787 	return 1;
788 }
789 
790 void hex_prin(BIO *out, unsigned char *buf, int len)
791 {
792 	int i;
793 	for (i = 0; i < len; i++) BIO_printf (out, "%02X ", buf[i]);
794 }
795 
796 #endif
797