xref: /dragonfly/crypto/libressl/apps/openssl/pkcs12.c (revision 961e30ea7dc61d1112b778ea4981eac68129fb86)
1 /* $OpenBSD: pkcs12.c,v 1.23 2022/09/14 16:31:36 tb 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 #define NOKEYS                0x1
75 #define NOCERTS     0x2
76 #define INFO                  0x4
77 #define CLCERTS               0x8
78 #define CACERTS               0x10
79 
80 static int get_cert_chain(X509 *cert, X509_STORE *store,
81     STACK_OF(X509) **chain);
82 static int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen,
83     int options, char *pempass);
84 static int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
85     char *pass, int passlen, int options, char *pempass);
86 static int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, char *pass,
87     int passlen, int options, char *pempass);
88 static int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
89     const char *name);
90 static void hex_prin(BIO *out, unsigned char *buf, int len);
91 static int alg_print(BIO *x, const X509_ALGOR *alg);
92 static int set_pbe(BIO *err, int *ppbe, const char *str);
93 
94 static struct {
95           int add_lmk;
96           char *CAfile;
97           STACK_OF(OPENSSL_STRING) *canames;
98           char *CApath;
99           int cert_pbe;
100           char *certfile;
101           int chain;
102           char *csp_name;
103           const EVP_CIPHER *enc;
104           int export_cert;
105           int key_pbe;
106           char *keyname;
107           int keytype;
108           char *infile;
109           int iter;
110           char *macalg;
111           int maciter;
112           int macver;
113           char *name;
114           int noprompt;
115           int options;
116           char *outfile;
117           char *passarg;
118           char *passargin;
119           char *passargout;
120           int twopass;
121 } pkcs12_config;
122 
123 static int
pkcs12_opt_canames(char * arg)124 pkcs12_opt_canames(char *arg)
125 {
126           if (pkcs12_config.canames == NULL &&
127               (pkcs12_config.canames = sk_OPENSSL_STRING_new_null()) == NULL)
128                     return (1);
129 
130           if (!sk_OPENSSL_STRING_push(pkcs12_config.canames, arg))
131                     return (1);
132 
133           return (0);
134 }
135 
136 static int
pkcs12_opt_cert_pbe(char * arg)137 pkcs12_opt_cert_pbe(char *arg)
138 {
139           return (!set_pbe(bio_err, &pkcs12_config.cert_pbe, arg));
140 }
141 
142 static int
pkcs12_opt_key_pbe(char * arg)143 pkcs12_opt_key_pbe(char *arg)
144 {
145           return (!set_pbe(bio_err, &pkcs12_config.key_pbe, arg));
146 }
147 
148 static int
pkcs12_opt_passarg(char * arg)149 pkcs12_opt_passarg(char *arg)
150 {
151           pkcs12_config.passarg = arg;
152           pkcs12_config.noprompt = 1;
153           return (0);
154 }
155 
get_cipher_by_name(char * name)156 static const EVP_CIPHER *get_cipher_by_name(char *name)
157 {
158           if (name == NULL || strcmp(name, "") == 0)
159                     return (NULL);
160 #ifndef OPENSSL_NO_AES
161           else if (strcmp(name, "aes128") == 0)
162                     return EVP_aes_128_cbc();
163           else if (strcmp(name, "aes192") == 0)
164                     return EVP_aes_192_cbc();
165           else if (strcmp(name, "aes256") == 0)
166                     return EVP_aes_256_cbc();
167 #endif
168 #ifndef OPENSSL_NO_CAMELLIA
169           else if (strcmp(name, "camellia128") == 0)
170                     return EVP_camellia_128_cbc();
171           else if (strcmp(name, "camellia192") == 0)
172                     return EVP_camellia_192_cbc();
173           else if (strcmp(name, "camellia256") == 0)
174                     return EVP_camellia_256_cbc();
175 #endif
176 #ifndef OPENSSL_NO_DES
177           else if (strcmp(name, "des") == 0)
178                     return EVP_des_cbc();
179           else if (strcmp(name, "des3") == 0)
180                     return EVP_des_ede3_cbc();
181 #endif
182 #ifndef OPENSSL_NO_IDEA
183           else if (strcmp(name, "idea") == 0)
184                     return EVP_idea_cbc();
185 #endif
186           else
187                     return (NULL);
188 }
189 
190 static int
pkcs12_opt_enc(int argc,char ** argv,int * argsused)191 pkcs12_opt_enc(int argc, char **argv, int *argsused)
192 {
193           char *name = argv[0];
194 
195           if (*name++ != '-')
196                     return (1);
197 
198           if (strcmp(name, "nodes") == 0)
199                     pkcs12_config.enc = NULL;
200           else if ((pkcs12_config.enc = get_cipher_by_name(name)) == NULL)
201                     return (1);
202 
203           *argsused = 1;
204           return (0);
205 }
206 
207 static const struct option pkcs12_options[] = {
208 #ifndef OPENSSL_NO_AES
209           {
210                     .name = "aes128",
211                     .desc = "Encrypt PEM output with CBC AES",
212                     .type = OPTION_ARGV_FUNC,
213                     .opt.argvfunc = pkcs12_opt_enc,
214           },
215           {
216                     .name = "aes192",
217                     .desc = "Encrypt PEM output with CBC AES",
218                     .type = OPTION_ARGV_FUNC,
219                     .opt.argvfunc = pkcs12_opt_enc,
220           },
221           {
222                     .name = "aes256",
223                     .desc = "Encrypt PEM output with CBC AES",
224                     .type = OPTION_ARGV_FUNC,
225                     .opt.argvfunc = pkcs12_opt_enc,
226           },
227 #endif
228 #ifndef OPENSSL_NO_CAMELLIA
229           {
230                     .name = "camellia128",
231                     .desc = "Encrypt PEM output with CBC Camellia",
232                     .type = OPTION_ARGV_FUNC,
233                     .opt.argvfunc = pkcs12_opt_enc,
234           },
235           {
236                     .name = "camellia192",
237                     .desc = "Encrypt PEM output with CBC Camellia",
238                     .type = OPTION_ARGV_FUNC,
239                     .opt.argvfunc = pkcs12_opt_enc,
240           },
241           {
242                     .name = "camellia256",
243                     .desc = "Encrypt PEM output with CBC Camellia",
244                     .type = OPTION_ARGV_FUNC,
245                     .opt.argvfunc = pkcs12_opt_enc,
246           },
247 #endif
248           {
249                     .name = "des",
250                     .desc = "Encrypt private keys with DES",
251                     .type = OPTION_ARGV_FUNC,
252                     .opt.argvfunc = pkcs12_opt_enc,
253           },
254           {
255                     .name = "des3",
256                     .desc = "Encrypt private keys with triple DES (default)",
257                     .type = OPTION_ARGV_FUNC,
258                     .opt.argvfunc = pkcs12_opt_enc,
259           },
260 #ifndef OPENSSL_NO_IDEA
261           {
262                     .name = "idea",
263                     .desc = "Encrypt private keys with IDEA",
264                     .type = OPTION_ARGV_FUNC,
265                     .opt.argvfunc = pkcs12_opt_enc,
266           },
267 #endif
268           {
269                     .name = "cacerts",
270                     .desc = "Only output CA certificates",
271                     .type = OPTION_VALUE_OR,
272                     .opt.value = &pkcs12_config.options,
273                     .value = CACERTS,
274           },
275           {
276                     .name = "CAfile",
277                     .argname = "file",
278                     .desc = "PEM format file of CA certificates",
279                     .type = OPTION_ARG,
280                     .opt.arg = &pkcs12_config.CAfile,
281           },
282           {
283                     .name = "caname",
284                     .argname = "name",
285                     .desc = "Use name as CA friendly name (can be used more than once)",
286                     .type = OPTION_ARG_FUNC,
287                     .opt.argfunc = pkcs12_opt_canames,
288           },
289           {
290                     .name = "CApath",
291                     .argname = "directory",
292                     .desc = "PEM format directory of CA certificates",
293                     .type = OPTION_ARG,
294                     .opt.arg = &pkcs12_config.CApath,
295           },
296           {
297                     .name = "certfile",
298                     .argname = "file",
299                     .desc = "Add all certs in file",
300                     .type = OPTION_ARG,
301                     .opt.arg = &pkcs12_config.certfile,
302           },
303           {
304                     .name = "certpbe",
305                     .argname = "alg",
306                     .desc = "Specify certificate PBE algorithm (default RC2-40)",
307                     .type = OPTION_ARG_FUNC,
308                     .opt.argfunc = pkcs12_opt_cert_pbe,
309           },
310           {
311                     .name = "chain",
312                     .desc = "Add certificate chain",
313                     .type = OPTION_FLAG,
314                     .opt.flag = &pkcs12_config.chain,
315           },
316           {
317                     .name = "clcerts",
318                     .desc = "Only output client certificates",
319                     .type = OPTION_VALUE_OR,
320                     .opt.value = &pkcs12_config.options,
321                     .value = CLCERTS,
322           },
323           {
324                     .name = "CSP",
325                     .argname = "name",
326                     .desc = "Microsoft CSP name",
327                     .type = OPTION_ARG,
328                     .opt.arg = &pkcs12_config.csp_name,
329           },
330           {
331                     .name = "descert",
332                     .desc = "Encrypt PKCS#12 certificates with triple DES (default RC2-40)",
333                     .type = OPTION_VALUE,
334                     .opt.value = &pkcs12_config.cert_pbe,
335                     .value = NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
336           },
337           {
338                     .name = "export",
339                     .desc = "Output PKCS#12 file",
340                     .type = OPTION_FLAG,
341                     .opt.flag = &pkcs12_config.export_cert,
342           },
343           {
344                     .name = "in",
345                     .argname = "file",
346                     .desc = "Input filename",
347                     .type = OPTION_ARG,
348                     .opt.arg = &pkcs12_config.infile,
349           },
350           {
351                     .name = "info",
352                     .desc = "Give info about PKCS#12 structure",
353                     .type = OPTION_VALUE_OR,
354                     .opt.value = &pkcs12_config.options,
355                     .value = INFO,
356           },
357           {
358                     .name = "inkey",
359                     .argname = "file",
360                     .desc = "Private key if not infile",
361                     .type = OPTION_ARG,
362                     .opt.arg = &pkcs12_config.keyname,
363           },
364           {
365                     .name = "keyex",
366                     .desc = "Set MS key exchange type",
367                     .type = OPTION_VALUE,
368                     .opt.value = &pkcs12_config.keytype,
369                     .value = KEY_EX,
370           },
371           {
372                     .name = "keypbe",
373                     .argname = "alg",
374                     .desc = "Specify private key PBE algorithm (default 3DES)",
375                     .type = OPTION_ARG_FUNC,
376                     .opt.argfunc = pkcs12_opt_key_pbe,
377           },
378           {
379                     .name = "keysig",
380                     .desc = "Set MS key signature type",
381                     .type = OPTION_VALUE,
382                     .opt.value = &pkcs12_config.keytype,
383                     .value = KEY_SIG,
384           },
385           {
386                     .name = "LMK",
387                     .desc = "Add local machine keyset attribute to private key",
388                     .type = OPTION_FLAG,
389                     .opt.flag = &pkcs12_config.add_lmk,
390           },
391           {
392                     .name = "macalg",
393                     .argname = "alg",
394                     .desc = "Digest algorithm used in MAC (default SHA1)",
395                     .type = OPTION_ARG,
396                     .opt.arg = &pkcs12_config.macalg,
397           },
398           {
399                     .name = "maciter",
400                     .desc = "Use MAC iteration",
401                     .type = OPTION_VALUE,
402                     .opt.value = &pkcs12_config.maciter,
403                     .value = PKCS12_DEFAULT_ITER,
404           },
405           {
406                     .name = "name",
407                     .argname = "name",
408                     .desc = "Use name as friendly name",
409                     .type = OPTION_ARG,
410                     .opt.arg = &pkcs12_config.name,
411           },
412           {
413                     .name = "nocerts",
414                     .desc = "Don't output certificates",
415                     .type = OPTION_VALUE_OR,
416                     .opt.value = &pkcs12_config.options,
417                     .value = NOCERTS,
418           },
419           {
420                     .name = "nodes",
421                     .desc = "Don't encrypt private keys",
422                     .type = OPTION_ARGV_FUNC,
423                     .opt.argvfunc = pkcs12_opt_enc,
424           },
425           {
426                     .name = "noiter",
427                     .desc = "Don't use encryption iteration",
428                     .type = OPTION_VALUE,
429                     .opt.value = &pkcs12_config.iter,
430                     .value = 1,
431           },
432           {
433                     .name = "nokeys",
434                     .desc = "Don't output private keys",
435                     .type = OPTION_VALUE_OR,
436                     .opt.value = &pkcs12_config.options,
437                     .value = NOKEYS,
438           },
439           {
440                     .name = "nomac",
441                     .desc = "Don't generate MAC",
442                     .type = OPTION_VALUE,
443                     .opt.value = &pkcs12_config.maciter,
444                     .value = -1,
445           },
446           {
447                     .name = "nomaciter",
448                     .desc = "Don't use MAC iteration",
449                     .type = OPTION_VALUE,
450                     .opt.value = &pkcs12_config.maciter,
451                     .value = 1,
452           },
453           {
454                     .name = "nomacver",
455                     .desc = "Don't verify MAC",
456                     .type = OPTION_VALUE,
457                     .opt.value = &pkcs12_config.macver,
458                     .value = 0,
459           },
460           {
461                     .name = "noout",
462                     .desc = "Don't output anything, just verify",
463                     .type = OPTION_VALUE_OR,
464                     .opt.value = &pkcs12_config.options,
465                     .value = (NOKEYS | NOCERTS),
466           },
467           {
468                     .name = "out",
469                     .argname = "file",
470                     .desc = "Output filename",
471                     .type = OPTION_ARG,
472                     .opt.arg = &pkcs12_config.outfile,
473           },
474           {
475                     .name = "passin",
476                     .argname = "arg",
477                     .desc = "Input file passphrase source",
478                     .type = OPTION_ARG,
479                     .opt.arg = &pkcs12_config.passargin,
480           },
481           {
482                     .name = "passout",
483                     .argname = "arg",
484                     .desc = "Output file passphrase source",
485                     .type = OPTION_ARG,
486                     .opt.arg = &pkcs12_config.passargout,
487           },
488           {
489                     .name = "password",
490                     .argname = "arg",
491                     .desc = "Set import/export password source",
492                     .type = OPTION_ARG_FUNC,
493                     .opt.argfunc = pkcs12_opt_passarg,
494           },
495           {
496                     .name = "twopass",
497                     .desc = "Separate MAC, encryption passwords",
498                     .type = OPTION_FLAG,
499                     .opt.flag = &pkcs12_config.twopass,
500           },
501           { NULL },
502 };
503 
504 static void
pkcs12_usage(void)505 pkcs12_usage(void)
506 {
507           fprintf(stderr, "usage: pkcs12 [-aes128 | -aes192 | -aes256 |");
508           fprintf(stderr, " -camellia128 |\n");
509           fprintf(stderr, "    -camellia192 | -camellia256 | -des | -des3 |");
510           fprintf(stderr, " -idea]\n");
511           fprintf(stderr, "    [-cacerts] [-CAfile file] [-caname name]\n");
512           fprintf(stderr, "    [-CApath directory] [-certfile file]");
513           fprintf(stderr, " [-certpbe alg]\n");
514           fprintf(stderr, "    [-chain] [-clcerts] [-CSP name] [-descert]");
515           fprintf(stderr, " [-export]\n");
516           fprintf(stderr, "    [-in file] [-info] [-inkey file] [-keyex]");
517           fprintf(stderr, " [-keypbe alg]\n");
518           fprintf(stderr, "    [-keysig] [-LMK] [-macalg alg] [-maciter]");
519           fprintf(stderr, " [-name name]\n");
520           fprintf(stderr, "    [-nocerts] [-nodes] [-noiter] [-nokeys]");
521           fprintf(stderr, " [-nomac]\n");
522           fprintf(stderr, "    [-nomaciter] [-nomacver] [-noout] [-out file]\n");
523           fprintf(stderr, "    [-passin arg] [-passout arg] [-password arg]");
524           fprintf(stderr, " [-twopass]\n\n");
525           options_usage(pkcs12_options);
526           fprintf(stderr, "\n");
527 }
528 
529 int
pkcs12_main(int argc,char ** argv)530 pkcs12_main(int argc, char **argv)
531 {
532           BIO *in = NULL, *out = NULL;
533           PKCS12 *p12 = NULL;
534           char pass[50], macpass[50];
535           int ret = 1;
536           char *cpass = NULL, *mpass = NULL;
537           char *passin = NULL, *passout = NULL;
538 
539           if (single_execution) {
540                     if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
541                               perror("pledge");
542                               exit(1);
543                     }
544           }
545 
546           memset(&pkcs12_config, 0, sizeof(pkcs12_config));
547           pkcs12_config.cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
548           pkcs12_config.enc = EVP_des_ede3_cbc();
549           pkcs12_config.iter = PKCS12_DEFAULT_ITER;
550           pkcs12_config.key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
551           pkcs12_config.maciter = PKCS12_DEFAULT_ITER;
552           pkcs12_config.macver = 1;
553 
554           if (options_parse(argc, argv, pkcs12_options, NULL, NULL) != 0) {
555                     pkcs12_usage();
556                     goto end;
557           }
558 
559           if (pkcs12_config.passarg != NULL) {
560                     if (pkcs12_config.export_cert)
561                               pkcs12_config.passargout = pkcs12_config.passarg;
562                     else
563                               pkcs12_config.passargin = pkcs12_config.passarg;
564           }
565           if (!app_passwd(bio_err, pkcs12_config.passargin,
566               pkcs12_config.passargout, &passin, &passout)) {
567                     BIO_printf(bio_err, "Error getting passwords\n");
568                     goto end;
569           }
570           if (cpass == NULL) {
571                     if (pkcs12_config.export_cert)
572                               cpass = passout;
573                     else
574                               cpass = passin;
575           }
576           if (cpass != NULL) {
577                     mpass = cpass;
578                     pkcs12_config.noprompt = 1;
579           } else {
580                     cpass = pass;
581                     mpass = macpass;
582           }
583 
584           if (pkcs12_config.infile == NULL)
585                     in = BIO_new_fp(stdin, BIO_NOCLOSE);
586           else
587                     in = BIO_new_file(pkcs12_config.infile, "rb");
588           if (in == NULL) {
589                     BIO_printf(bio_err, "Error opening input file %s\n",
590                         pkcs12_config.infile ? pkcs12_config.infile : "<stdin>");
591                     perror(pkcs12_config.infile);
592                     goto end;
593           }
594 
595           if (pkcs12_config.outfile == NULL) {
596                     out = BIO_new_fp(stdout, BIO_NOCLOSE);
597           } else
598                     out = BIO_new_file(pkcs12_config.outfile, "wb");
599           if (out == NULL) {
600                     BIO_printf(bio_err, "Error opening output file %s\n",
601                         pkcs12_config.outfile ? pkcs12_config.outfile : "<stdout>");
602                     perror(pkcs12_config.outfile);
603                     goto end;
604           }
605           if (pkcs12_config.twopass) {
606                     if (EVP_read_pw_string(macpass, sizeof macpass,
607                         "Enter MAC Password:", pkcs12_config.export_cert)) {
608                               BIO_printf(bio_err, "Can't read Password\n");
609                               goto end;
610                     }
611           }
612           if (pkcs12_config.export_cert) {
613                     EVP_PKEY *key = NULL;
614                     X509 *ucert = NULL, *x = NULL;
615                     STACK_OF(X509) *certs = NULL;
616                     const EVP_MD *macmd = NULL;
617                     unsigned char *catmp = NULL;
618                     int i;
619 
620                     if ((pkcs12_config.options & (NOCERTS | NOKEYS)) ==
621                         (NOCERTS | NOKEYS)) {
622                               BIO_printf(bio_err, "Nothing to do!\n");
623                               goto export_end;
624                     }
625                     if (pkcs12_config.options & NOCERTS)
626                               pkcs12_config.chain = 0;
627 
628                     if (!(pkcs12_config.options & NOKEYS)) {
629                               key = load_key(bio_err, pkcs12_config.keyname ?
630                                   pkcs12_config.keyname : pkcs12_config.infile,
631                                   FORMAT_PEM, 1, passin, "private key");
632                               if (!key)
633                                         goto export_end;
634                     }
635 
636                     /* Load in all certs in input file */
637                     if (!(pkcs12_config.options & NOCERTS)) {
638                               certs = load_certs(bio_err, pkcs12_config.infile,
639                                   FORMAT_PEM, NULL, "certificates");
640                               if (certs == NULL)
641                                         goto export_end;
642 
643                               if (key != NULL) {
644                                         /* Look for matching private key */
645                                         for (i = 0; i < sk_X509_num(certs); i++) {
646                                                   x = sk_X509_value(certs, i);
647                                                   if (X509_check_private_key(x, key)) {
648                                                             ucert = x;
649                                                             /* Zero keyid and alias */
650                                                             X509_keyid_set1(ucert, NULL, 0);
651                                                             X509_alias_set1(ucert, NULL, 0);
652                                                             /* Remove from list */
653                                                             (void) sk_X509_delete(certs, i);
654                                                             break;
655                                                   }
656                                         }
657                                         if (ucert == NULL) {
658                                                   BIO_printf(bio_err,
659                                                       "No certificate matches private key\n");
660                                                   goto export_end;
661                                         }
662                               }
663                     }
664 
665                     /* Add any more certificates asked for */
666                     if (pkcs12_config.certfile != NULL) {
667                               STACK_OF(X509) *morecerts = NULL;
668                               if ((morecerts = load_certs(bio_err,
669                                   pkcs12_config.certfile, FORMAT_PEM, NULL,
670                                   "certificates from certfile")) == NULL)
671                                         goto export_end;
672                               while (sk_X509_num(morecerts) > 0)
673                                         sk_X509_push(certs, sk_X509_shift(morecerts));
674                               sk_X509_free(morecerts);
675                     }
676 
677 
678                     /* If chaining get chain from user cert */
679                     if (pkcs12_config.chain) {
680                               int vret;
681                               STACK_OF(X509) *chain2;
682                               X509_STORE *store = X509_STORE_new();
683                               if (store == NULL) {
684                                         BIO_printf(bio_err,
685                                             "Memory allocation error\n");
686                                         goto export_end;
687                               }
688                               if (!X509_STORE_load_locations(store,
689                                   pkcs12_config.CAfile, pkcs12_config.CApath))
690                                         X509_STORE_set_default_paths(store);
691 
692                               vret = get_cert_chain(ucert, store, &chain2);
693                               X509_STORE_free(store);
694 
695                               if (vret == X509_V_OK) {
696                                         /* Exclude verified certificate */
697                                         for (i = 1; i < sk_X509_num(chain2); i++)
698                                                   sk_X509_push(certs, sk_X509_value(
699                                                       chain2, i));
700                                         /* Free first certificate */
701                                         X509_free(sk_X509_value(chain2, 0));
702                                         sk_X509_free(chain2);
703                               } else {
704                                         if (vret != X509_V_ERR_UNSPECIFIED)
705                                                   BIO_printf(bio_err,
706                                                       "Error %s getting chain.\n",
707                                                       X509_verify_cert_error_string(
708                                                       vret));
709                                         else
710                                                   ERR_print_errors(bio_err);
711                                         goto export_end;
712                               }
713                     }
714                     /* Add any CA names */
715 
716                     for (i = 0; i < sk_OPENSSL_STRING_num(pkcs12_config.canames);
717                         i++) {
718                               catmp = (unsigned char *) sk_OPENSSL_STRING_value(
719                                   pkcs12_config.canames, i);
720                               X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
721                     }
722 
723                     if (pkcs12_config.csp_name != NULL && key != NULL)
724                               EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
725                                   MBSTRING_ASC,
726                                   (unsigned char *) pkcs12_config.csp_name, -1);
727 
728                     if (pkcs12_config.add_lmk && key != NULL)
729                               EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL,
730                                   -1);
731 
732                     if (!pkcs12_config.noprompt &&
733                         EVP_read_pw_string(pass, sizeof pass,
734                         "Enter Export Password:", 1)) {
735                               BIO_printf(bio_err, "Can't read Password\n");
736                               goto export_end;
737                     }
738                     if (!pkcs12_config.twopass)
739                               strlcpy(macpass, pass, sizeof macpass);
740 
741 
742                     p12 = PKCS12_create(cpass, pkcs12_config.name, key, ucert,
743                         certs, pkcs12_config.key_pbe, pkcs12_config.cert_pbe,
744                         pkcs12_config.iter, -1, pkcs12_config.keytype);
745 
746                     if (p12 == NULL) {
747                               ERR_print_errors(bio_err);
748                               goto export_end;
749                     }
750                     if (pkcs12_config.macalg != NULL) {
751                               macmd = EVP_get_digestbyname(pkcs12_config.macalg);
752                               if (macmd == NULL) {
753                                         BIO_printf(bio_err,
754                                             "Unknown digest algorithm %s\n",
755                                             pkcs12_config.macalg);
756                               }
757                     }
758                     if (pkcs12_config.maciter != -1)
759                               PKCS12_set_mac(p12, mpass, -1, NULL, 0,
760                                   pkcs12_config.maciter, macmd);
761 
762                     i2d_PKCS12_bio(out, p12);
763 
764                     ret = 0;
765 
766  export_end:
767                     EVP_PKEY_free(key);
768                     sk_X509_pop_free(certs, X509_free);
769                     X509_free(ucert);
770 
771                     goto end;
772 
773           }
774           if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
775                     ERR_print_errors(bio_err);
776                     goto end;
777           }
778           if (!pkcs12_config.noprompt && EVP_read_pw_string(pass, sizeof pass,
779               "Enter Import Password:", 0)) {
780                     BIO_printf(bio_err, "Can't read Password\n");
781                     goto end;
782           }
783 
784           if (!pkcs12_config.twopass)
785                     strlcpy(macpass, pass, sizeof macpass);
786 
787           if ((pkcs12_config.options & INFO) != 0 && PKCS12_mac_present(p12)) {
788                     const ASN1_INTEGER *iter;
789 
790                     PKCS12_get0_mac(NULL, NULL, NULL, &iter, p12);
791                     BIO_printf(bio_err, "MAC Iteration %ld\n",
792                         iter != NULL ? ASN1_INTEGER_get(iter) : 1);
793           }
794           if (pkcs12_config.macver) {
795                     /* If we enter empty password try no password first */
796                     if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
797                               /* If mac and crypto pass the same set it to NULL too */
798                               if (!pkcs12_config.twopass)
799                                         cpass = NULL;
800                     } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
801                               BIO_printf(bio_err,
802                                   "Mac verify error: invalid password?\n");
803                               ERR_print_errors(bio_err);
804                               goto end;
805                     }
806                     BIO_printf(bio_err, "MAC verified OK\n");
807           }
808           if (!dump_certs_keys_p12(out, p12, cpass, -1, pkcs12_config.options,
809               passout)) {
810                     BIO_printf(bio_err, "Error outputting keys and certificates\n");
811                     ERR_print_errors(bio_err);
812                     goto end;
813           }
814           ret = 0;
815  end:
816           PKCS12_free(p12);
817           BIO_free(in);
818           BIO_free_all(out);
819           sk_OPENSSL_STRING_free(pkcs12_config.canames);
820           free(passin);
821           free(passout);
822 
823           return (ret);
824 }
825 
826 static int
dump_certs_keys_p12(BIO * out,PKCS12 * p12,char * pass,int passlen,int options,char * pempass)827 dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen, int options,
828     char *pempass)
829 {
830           STACK_OF(PKCS7) *asafes = NULL;
831           STACK_OF(PKCS12_SAFEBAG) *bags;
832           int i, bagnid;
833           int ret = 0;
834           PKCS7 *p7;
835 
836           if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
837                     return 0;
838           for (i = 0; i < sk_PKCS7_num(asafes); i++) {
839                     p7 = sk_PKCS7_value(asafes, i);
840                     bagnid = OBJ_obj2nid(p7->type);
841                     if (bagnid == NID_pkcs7_data) {
842                               bags = PKCS12_unpack_p7data(p7);
843                               if (options & INFO)
844                                         BIO_printf(bio_err, "PKCS7 Data\n");
845                     } else if (bagnid == NID_pkcs7_encrypted) {
846                               if (options & INFO) {
847                                         BIO_printf(bio_err, "PKCS7 Encrypted data: ");
848                                         alg_print(bio_err,
849                                             p7->d.encrypted->enc_data->algorithm);
850                               }
851                               bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
852                     } else
853                               continue;
854                     if (bags == NULL)
855                               goto err;
856                     if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
857                               options, pempass)) {
858                               sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
859                               goto err;
860                     }
861                     sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
862                     bags = NULL;
863           }
864           ret = 1;
865 
866  err:
867           sk_PKCS7_pop_free(asafes, PKCS7_free);
868           return ret;
869 }
870 
871 static int
dump_certs_pkeys_bags(BIO * out,const STACK_OF (PKCS12_SAFEBAG)* bags,char * pass,int passlen,int options,char * pempass)872 dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
873     char *pass, int passlen, int options, char *pempass)
874 {
875           int i;
876 
877           for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
878                     if (!dump_certs_pkeys_bag(out,
879                               sk_PKCS12_SAFEBAG_value(bags, i),
880                               pass, passlen,
881                               options, pempass))
882                               return 0;
883           }
884           return 1;
885 }
886 
887 static int
dump_certs_pkeys_bag(BIO * out,PKCS12_SAFEBAG * bag,char * pass,int passlen,int options,char * pempass)888 dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bag, char *pass, int passlen,
889     int options, char *pempass)
890 {
891           EVP_PKEY *pkey;
892           const STACK_OF(X509_ATTRIBUTE) *attrs;
893           X509 *x509;
894 
895           attrs = PKCS12_SAFEBAG_get0_attrs(bag);
896 
897           switch (PKCS12_SAFEBAG_get_nid(bag)) {
898           case NID_keyBag:
899               {
900                     const PKCS8_PRIV_KEY_INFO *p8;
901 
902                     if (options & INFO)
903                               BIO_printf(bio_err, "Key bag\n");
904                     if (options & NOKEYS)
905                               return 1;
906                     print_attribs(out, attrs, "Bag Attributes");
907                     if ((p8 = PKCS12_SAFEBAG_get0_p8inf(bag)) == NULL)
908                               return 0;
909                     if ((pkey = EVP_PKCS82PKEY(p8)) == NULL)
910                               return 0;
911                     print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
912                     PEM_write_bio_PrivateKey(out, pkey, pkcs12_config.enc, NULL, 0,
913                         NULL, pempass);
914                     EVP_PKEY_free(pkey);
915                     break;
916               }
917 
918           case NID_pkcs8ShroudedKeyBag:
919               {
920                     PKCS8_PRIV_KEY_INFO *p8;
921 
922                     if (options & INFO) {
923                               const X509_SIG *tp8;
924                               const X509_ALGOR *tp8alg;
925 
926                               BIO_printf(bio_err, "Shrouded Keybag: ");
927                               if ((tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag)) == NULL)
928                                         return 0;
929                               X509_SIG_get0(tp8, &tp8alg, NULL);
930                               alg_print(bio_err, tp8alg);
931                     }
932                     if (options & NOKEYS)
933                               return 1;
934                     print_attribs(out, attrs, "Bag Attributes");
935                     if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
936                               return 0;
937                     if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
938                               PKCS8_PRIV_KEY_INFO_free(p8);
939                               return 0;
940                     }
941                     print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
942                     PKCS8_PRIV_KEY_INFO_free(p8);
943                     PEM_write_bio_PrivateKey(out, pkey, pkcs12_config.enc, NULL, 0,
944                         NULL, pempass);
945                     EVP_PKEY_free(pkey);
946                     break;
947               }
948 
949           case NID_certBag:
950                     if (options & INFO)
951                               BIO_printf(bio_err, "Certificate bag\n");
952                     if (options & NOCERTS)
953                               return 1;
954                     if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID) != NULL) {
955                               if (options & CACERTS)
956                                         return 1;
957                     } else if (options & CLCERTS)
958                               return 1;
959                     print_attribs(out, attrs, "Bag Attributes");
960                     if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
961                               return 1;
962                     if ((x509 = PKCS12_certbag2x509(bag)) == NULL)
963                               return 0;
964                     dump_cert_text(out, x509);
965                     PEM_write_bio_X509(out, x509);
966                     X509_free(x509);
967                     break;
968 
969           case NID_safeContentsBag:
970                     if (options & INFO)
971                               BIO_printf(bio_err, "Safe Contents bag\n");
972                     print_attribs(out, attrs, "Bag Attributes");
973                     return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
974                         pass, passlen, options, pempass);
975 
976           default:
977                     BIO_printf(bio_err, "Warning unsupported bag type: ");
978                     i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
979                     BIO_printf(bio_err, "\n");
980                     return 1;
981                     break;
982           }
983           return 1;
984 }
985 
986 /* Given a single certificate return a verified chain or NULL if error */
987 static int
get_cert_chain(X509 * cert,X509_STORE * store,STACK_OF (X509)** out_chain)988 get_cert_chain(X509 *cert, X509_STORE *store, STACK_OF(X509) **out_chain)
989 {
990           X509_STORE_CTX *store_ctx = NULL;
991           STACK_OF(X509) *chain = NULL;
992           int ret = X509_V_ERR_UNSPECIFIED;
993 
994           if ((store_ctx = X509_STORE_CTX_new()) == NULL)
995                     goto err;
996           if (!X509_STORE_CTX_init(store_ctx, store, cert, NULL))
997                     goto err;
998 
999           if (X509_verify_cert(store_ctx) > 0) {
1000                     if ((chain = X509_STORE_CTX_get1_chain(store_ctx)) == NULL)
1001                               goto err;
1002           }
1003           ret = X509_STORE_CTX_get_error(store_ctx);
1004 
1005  err:
1006           X509_STORE_CTX_free(store_ctx);
1007           *out_chain = chain;
1008 
1009           return ret;
1010 }
1011 
1012 static int
alg_print(BIO * x,const X509_ALGOR * alg)1013 alg_print(BIO *x, const X509_ALGOR *alg)
1014 {
1015           PBEPARAM *pbe;
1016           const unsigned char *p;
1017 
1018           p = alg->parameter->value.sequence->data;
1019           pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
1020           if (pbe == NULL)
1021                     return 1;
1022           BIO_printf(bio_err, "%s, Iteration %ld\n",
1023               OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),
1024               ASN1_INTEGER_get(pbe->iter));
1025           PBEPARAM_free(pbe);
1026           return 1;
1027 }
1028 
1029 /* Generalised attribute print: handle PKCS#8 and bag attributes */
1030 static void
print_attribute(BIO * out,const ASN1_TYPE * av)1031 print_attribute(BIO *out, const ASN1_TYPE *av)
1032 {
1033           char *value;
1034 
1035           switch (av->type) {
1036           case V_ASN1_BMPSTRING:
1037                     value = OPENSSL_uni2asc(
1038                         av->value.bmpstring->data,
1039                         av->value.bmpstring->length);
1040                     BIO_printf(out, "%s\n", value);
1041                     free(value);
1042                     break;
1043 
1044           case V_ASN1_OCTET_STRING:
1045                     hex_prin(out, av->value.octet_string->data,
1046                         av->value.octet_string->length);
1047                     BIO_printf(out, "\n");
1048                     break;
1049 
1050           case V_ASN1_BIT_STRING:
1051                     hex_prin(out, av->value.bit_string->data,
1052                         av->value.bit_string->length);
1053                     BIO_printf(out, "\n");
1054                     break;
1055 
1056           default:
1057                     BIO_printf(out, "<Unsupported tag %d>\n",
1058                         av->type);
1059                     break;
1060           }
1061 }
1062 
1063 static int
print_attribs(BIO * out,const STACK_OF (X509_ATTRIBUTE)* attrlst,const char * name)1064 print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
1065     const char *name)
1066 {
1067           X509_ATTRIBUTE *attr;
1068           ASN1_TYPE *av;
1069           int i, j, attr_nid;
1070 
1071           if (attrlst == NULL) {
1072                     BIO_printf(out, "%s: <No Attributes>\n", name);
1073                     return 1;
1074           }
1075           if (!sk_X509_ATTRIBUTE_num(attrlst)) {
1076                     BIO_printf(out, "%s: <Empty Attributes>\n", name);
1077                     return 1;
1078           }
1079           BIO_printf(out, "%s\n", name);
1080           for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
1081                     ASN1_OBJECT *obj;
1082 
1083                     attr = sk_X509_ATTRIBUTE_value(attrlst, i);
1084                     obj = X509_ATTRIBUTE_get0_object(attr);
1085                     attr_nid = OBJ_obj2nid(X509_ATTRIBUTE_get0_object(attr));
1086                     BIO_printf(out, "    ");
1087                     if (attr_nid == NID_undef) {
1088                               i2a_ASN1_OBJECT(out, obj);
1089                               BIO_printf(out, ": ");
1090                     } else
1091                               BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
1092 
1093                     if (X509_ATTRIBUTE_count(attr)) {
1094                               for (j = 0; j < X509_ATTRIBUTE_count(attr); j++) {
1095                                         av = X509_ATTRIBUTE_get0_type(attr, j);
1096                                         print_attribute(out, av);
1097                               }
1098                     } else
1099                               BIO_printf(out, "<No Values>\n");
1100           }
1101           return 1;
1102 }
1103 
1104 static void
hex_prin(BIO * out,unsigned char * buf,int len)1105 hex_prin(BIO *out, unsigned char *buf, int len)
1106 {
1107           int i;
1108 
1109           for (i = 0; i < len; i++)
1110                     BIO_printf(out, "%02X ", buf[i]);
1111 }
1112 
1113 static int
set_pbe(BIO * err,int * ppbe,const char * str)1114 set_pbe(BIO *err, int *ppbe, const char *str)
1115 {
1116           if (str == NULL)
1117                     return 0;
1118           if (strcmp(str, "NONE") == 0) {
1119                     *ppbe = -1;
1120                     return 1;
1121           }
1122           *ppbe = OBJ_txt2nid(str);
1123           if (*ppbe == NID_undef) {
1124                     BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
1125                     return 0;
1126           }
1127           return 1;
1128 }
1129 
1130 #endif
1131