/* pkcs12.c */

 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL

  * project.

  */

 /* ====================================================================

  * Copyright (c) 1999-2002 The OpenSSL Project.  All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  *

  * 1. Redistributions of source code must retain the above copyright

  *    notice, this list of conditions and the following disclaimer. 

  *

  * 2. Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in

  *    the documentation and/or other materials provided with the

  *    distribution.

  *

  * 3. All advertising materials mentioning features or use of this

  *    software must display the following acknowledgment:

  *    "This product includes software developed by the OpenSSL Project

  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

  *

  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

  *    endorse or promote products derived from this software without

  *    prior written permission. For written permission, please contact

  *    licensing@OpenSSL.org.

  *

  * 5. Products derived from this software may not be called "OpenSSL"

  *    nor may "OpenSSL" appear in their names without prior written

  *    permission of the OpenSSL Project.

  *

  * 6. Redistributions of any form whatsoever must retain the following

  *    acknowledgment:

  *    "This product includes software developed by the OpenSSL Project

  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

  *

  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR

  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

  * OF THE POSSIBILITY OF SUCH DAMAGE.

  * ====================================================================

  *

  * This product includes cryptographic software written by Eric Young

  * (eay@cryptsoft.com).  This product includes software written by Tim

  * Hudson (tjh@cryptsoft.com).

  *

  */

 #include <openssl/opensslconf.h>

 #if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_SHA1)

 #include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

 #include "apps.h"

 #include <openssl/crypto.h>

 #include <openssl/err.h>

 #include <openssl/pem.h>

 #include <openssl/pkcs12.h>

 #define PROG pkcs12_main

 const EVP_CIPHER *enc;

 #define NOKEYS		0x1

 #define NOCERTS 	0x2

 #define INFO		0x4

 #define CLCERTS		0x8

 #define CACERTS		0x10

 int get_cert_chain (X509 *cert, X509_STORE *store, STACK_OF(X509) **chain);

 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen, int options, char *pempass);

 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags, char *pass,

 			  int passlen, int options, char *pempass);

 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, char *pass, int passlen, int options, char *pempass);

 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,const char *name);

 void hex_prin(BIO *out, unsigned char *buf, int len);

 int alg_print(BIO *x, X509_ALGOR *alg);

 int cert_load(BIO *in, STACK_OF(X509) *sk);

 int MAIN(int, char **);

 int MAIN(int argc, char **argv)

 {

     ENGINE *e = NULL;

     char *infile=NULL, *outfile=NULL, *keyname = NULL;	

     char *certfile=NULL;

     BIO *in=NULL, *out = NULL;

     char **args;

     char *name = NULL;

     char *csp_name = NULL;

     PKCS12 *p12 = NULL;

     char pass[50], macpass[50];

     int export_cert = 0;

     int options = 0;

     int chain = 0;

     int badarg = 0;

     int iter = PKCS12_DEFAULT_ITER;

     int maciter = PKCS12_DEFAULT_ITER;

     int twopass = 0;

     int keytype = 0;

     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;

     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;

     int ret = 1;

     int macver = 1;

     int noprompt = 0;

     STACK *canames = NULL;

     char *cpass = NULL, *mpass = NULL;

     char *passargin = NULL, *passargout = NULL, *passarg = NULL;

     char *passin = NULL, *passout = NULL;

     char *inrand = NULL;

     char *CApath = NULL, *CAfile = NULL;

 #ifndef OPENSSL_NO_ENGINE

     char *engine=NULL;

 #endif

     apps_startup();

     enc = EVP_des_ede3_cbc();

     if (bio_err == NULL )

     bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);

   	if (!load_config(bio_err, NULL))

 		goto end;

     args = argv + 1;

     while (*args) {

 	if (*args[0] == '-') {

 		if (!strcmp (*args, "-nokeys")) options |= NOKEYS;

 		else if (!strcmp (*args, "-keyex")) keytype = KEY_EX;

 		else if (!strcmp (*args, "-keysig")) keytype = KEY_SIG;

 		else if (!strcmp (*args, "-nocerts")) options |= NOCERTS;

 		else if (!strcmp (*args, "-clcerts")) options |= CLCERTS;

 		else if (!strcmp (*args, "-cacerts")) options |= CACERTS;

 		else if (!strcmp (*args, "-noout")) options |= (NOKEYS|NOCERTS);

 		else if (!strcmp (*args, "-info")) options |= INFO;

 		else if (!strcmp (*args, "-chain")) chain = 1;

 		else if (!strcmp (*args, "-twopass")) twopass = 1;

 		else if (!strcmp (*args, "-nomacver")) macver = 0;

 		else if (!strcmp (*args, "-descert"))

     			cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;

 		else if (!strcmp (*args, "-export")) export_cert = 1;

 		else if (!strcmp (*args, "-des")) enc=EVP_des_cbc();

 #ifndef OPENSSL_NO_IDEA

 		else if (!strcmp (*args, "-idea")) enc=EVP_idea_cbc();

 #endif

 		else if (!strcmp (*args, "-des3")) enc = EVP_des_ede3_cbc();

 #ifndef OPENSSL_NO_AES

 		else if (!strcmp(*args,"-aes128")) enc=EVP_aes_128_cbc();

 		else if (!strcmp(*args,"-aes192")) enc=EVP_aes_192_cbc();

 		else if (!strcmp(*args,"-aes256")) enc=EVP_aes_256_cbc();

 #endif

 		else if (!strcmp (*args, "-noiter")) iter = 1;

 		else if (!strcmp (*args, "-maciter"))

 					 maciter = PKCS12_DEFAULT_ITER;

 		else if (!strcmp (*args, "-nomaciter"))

 					 maciter = 1;

 		else if (!strcmp (*args, "-nomac"))

 					 maciter = -1;

 		else if (!strcmp (*args, "-nodes")) enc=NULL;

 		else if (!strcmp (*args, "-certpbe")) {

 			if (args[1]) {

 				args++;

 				if (!strcmp(*args, "NONE"))

 					cert_pbe = -1;

 				cert_pbe=OBJ_txt2nid(*args);

 				if(cert_pbe == NID_undef) {

 					BIO_printf(bio_err,

 						 "Unknown PBE algorithm %s\n", *args);

 					badarg = 1;

 				}

 			} else badarg = 1;

 		} else if (!strcmp (*args, "-keypbe")) {

 			if (args[1]) {

 				args++;

 				if (!strcmp(*args, "NONE"))

 					key_pbe = -1;

 				else

 					key_pbe=OBJ_txt2nid(*args);

 				if(key_pbe == NID_undef) {

 					BIO_printf(bio_err,

 						 "Unknown PBE algorithm %s\n", *args);

 					badarg = 1;

 				}

 			} else badarg = 1;

 		} else if (!strcmp (*args, "-rand")) {

 		    if (args[1]) {

 			args++;	

 			inrand = *args;

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-inkey")) {

 		    if (args[1]) {

 			args++;	

 			keyname = *args;

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-certfile")) {

 		    if (args[1]) {

 			args++;	

 			certfile = *args;

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-name")) {

 		    if (args[1]) {

 			args++;	

 			name = *args;

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-CSP")) {

 		    if (args[1]) {

 			args++;	

 			csp_name = *args;

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-caname")) {

 		    if (args[1]) {

 			args++;	

 			if (!canames) canames = sk_new_null();

 			sk_push(canames, *args);

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-in")) {

 		    if (args[1]) {

 			args++;	

 			infile = *args;

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-out")) {

 		    if (args[1]) {

 			args++;	

 			outfile = *args;

 		    } else badarg = 1;

 		} else if (!strcmp(*args,"-passin")) {

 		    if (args[1]) {

 			args++;	

 			passargin = *args;

 		    } else badarg = 1;

 		} else if (!strcmp(*args,"-passout")) {

 		    if (args[1]) {

 			args++;	

 			passargout = *args;

 		    } else badarg = 1;

 		} else if (!strcmp (*args, "-password")) {

 		    if (args[1]) {

 			args++;	

 			passarg = *args;

 		    	noprompt = 1;

 		    } else badarg = 1;

 		} else if (!strcmp(*args,"-CApath")) {

 		    if (args[1]) {

 			args++;	

 			CApath = *args;

 		    } else badarg = 1;

 		} else if (!strcmp(*args,"-CAfile")) {

 		    if (args[1]) {

 			args++;	

 			CAfile = *args;

 		    } else badarg = 1;

 #ifndef OPENSSL_NO_ENGINE

 		} else if (!strcmp(*args,"-engine")) {

 		    if (args[1]) {

 			args++;	

 			engine = *args;

 		    } else badarg = 1;

 #endif

 		} else badarg = 1;

 	} else badarg = 1;

 	args++;

     }

     if (badarg) {

 	BIO_printf (bio_err, "Usage: pkcs12 [options]\n");

 	BIO_printf (bio_err, "where options are\n");

 	BIO_printf (bio_err, "-export       output PKCS12 file\n");

 	BIO_printf (bio_err, "-chain        add certificate chain\n");

 	BIO_printf (bio_err, "-inkey file   private key if not infile\n");

 	BIO_printf (bio_err, "-certfile f   add all certs in f\n");

 	BIO_printf (bio_err, "-CApath arg   - PEM format directory of CA's\n");

 	BIO_printf (bio_err, "-CAfile arg   - PEM format file of CA's\n");

 	BIO_printf (bio_err, "-name \"name\"  use name as friendly name\n");

 	BIO_printf (bio_err, "-caname \"nm\"  use nm as CA friendly name (can be used more than once).\n");

 	BIO_printf (bio_err, "-in  infile   input filename\n");

 	BIO_printf (bio_err, "-out outfile  output filename\n");

 	BIO_printf (bio_err, "-noout        don't output anything, just verify.\n");

 	BIO_printf (bio_err, "-nomacver     don't verify MAC.\n");

 	BIO_printf (bio_err, "-nocerts      don't output certificates.\n");

 	BIO_printf (bio_err, "-clcerts      only output client certificates.\n");

 	BIO_printf (bio_err, "-cacerts      only output CA certificates.\n");

 	BIO_printf (bio_err, "-nokeys       don't output private keys.\n");

 	BIO_printf (bio_err, "-info         give info about PKCS#12 structure.\n");

 	BIO_printf (bio_err, "-des          encrypt private keys with DES\n");

 	BIO_printf (bio_err, "-des3         encrypt private keys with triple DES (default)\n");

 #ifndef OPENSSL_NO_IDEA

 	BIO_printf (bio_err, "-idea         encrypt private keys with idea\n");

 #endif

 #ifndef OPENSSL_NO_AES

 	BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");

 	BIO_printf (bio_err, "              encrypt PEM output with cbc aes\n");

 #endif

 	BIO_printf (bio_err, "-nodes        don't encrypt private keys\n");

 	BIO_printf (bio_err, "-noiter       don't use encryption iteration\n");

 	BIO_printf (bio_err, "-maciter      use MAC iteration\n");

 	BIO_printf (bio_err, "-twopass      separate MAC, encryption passwords\n");

 	BIO_printf (bio_err, "-descert      encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");

 	BIO_printf (bio_err, "-certpbe alg  specify certificate PBE algorithm (default RC2-40)\n");

 	BIO_printf (bio_err, "-keypbe alg   specify private key PBE algorithm (default 3DES)\n");

 	BIO_printf (bio_err, "-keyex        set MS key exchange type\n");

 	BIO_printf (bio_err, "-keysig       set MS key signature type\n");

 	BIO_printf (bio_err, "-password p   set import/export password source\n");

 	BIO_printf (bio_err, "-passin p     input file pass phrase source\n");

 	BIO_printf (bio_err, "-passout p    output file pass phrase source\n");

 #ifndef OPENSSL_NO_ENGINE

 	BIO_printf (bio_err, "-engine e     use engine e, possibly a hardware device.\n");

 #endif

 	BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);

 	BIO_printf(bio_err,  "              load the file (or the files in the directory) into\n");

 	BIO_printf(bio_err,  "              the random number generator\n");

     	goto end;

     }

 #ifndef OPENSSL_NO_ENGINE

     e = setup_engine(bio_err, engine, 0);

 #endif

     if(passarg) {

 	if(export_cert) passargout = passarg;

 	else passargin = passarg;

     }

     if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {

 	BIO_printf(bio_err, "Error getting passwords\n");

 	goto end;

     }

     if(!cpass) {

     	if(export_cert) cpass = passout;

     	else cpass = passin;

     }

     if(cpass) {

 	mpass = cpass;

 	noprompt = 1;

     } else {

 	cpass = pass;

 	mpass = macpass;

     }

     if(export_cert || inrand) {

     	app_RAND_load_file(NULL, bio_err, (inrand != NULL));

         if (inrand != NULL)

 		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",

 			app_RAND_load_files(inrand));

     }

     ERR_load_crypto_strings();

 #ifdef CRYPTO_MDEBUG

     CRYPTO_push_info("read files");

 #endif

     if (!infile) in = BIO_new_fp(stdin, BIO_NOCLOSE);

     else in = BIO_new_file(infile, "rb");

     if (!in) {

 	    BIO_printf(bio_err, "Error opening input file %s\n",

 						infile ? infile : "<stdin>");

 	    perror (infile);

 	    goto end;

    }

 #ifdef CRYPTO_MDEBUG

     CRYPTO_pop_info();

     CRYPTO_push_info("write files");

 #endif

     if (!outfile) {

 	out = BIO_new_fp(stdout, BIO_NOCLOSE);

 #ifdef OPENSSL_SYS_VMS

 	{

 	    BIO *tmpbio = BIO_new(BIO_f_linebuffer());

 	    out = BIO_push(tmpbio, out);

 	}

 #endif

     } else out = BIO_new_file(outfile, "wb");

     if (!out) {

 	BIO_printf(bio_err, "Error opening output file %s\n",

 						outfile ? outfile : "<stdout>");

 	perror (outfile);

 	goto end;

     }

     if (twopass) {

 #ifdef CRYPTO_MDEBUG

     CRYPTO_push_info("read MAC password");

 #endif

 	if(EVP_read_pw_string (macpass, sizeof macpass, "Enter MAC Password:", export_cert))

 	{

     	    BIO_printf (bio_err, "Can't read Password\n");

     	    goto end;

        	}

 #ifdef CRYPTO_MDEBUG

     CRYPTO_pop_info();

 #endif

     }

     if (export_cert) {

 	EVP_PKEY *key = NULL;

 	X509 *ucert = NULL, *x = NULL;

 	STACK_OF(X509) *certs=NULL;

 	unsigned char *catmp = NULL;

 	int i;

 	if ((options & (NOCERTS|NOKEYS)) == (NOCERTS|NOKEYS))

 		{	

 		BIO_printf(bio_err, "Nothing to do!\n");

 		goto export_end;

 		}

 	if (options & NOCERTS)

 		chain = 0;

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_push_info("process -export_cert");

 	CRYPTO_push_info("reading private key");

 #endif

 	if (!(options & NOKEYS))

 		{

 		key = load_key(bio_err, keyname ? keyname : infile,

 				FORMAT_PEM, 1, passin, e, "private key");

 		if (!key)

 			goto export_end;

 		}

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_push_info("reading certs from input");

 #endif

 	/* Load in all certs in input file */

 	if(!(options & NOCERTS))

 		{

 		certs = load_certs(bio_err, infile, FORMAT_PEM, NULL, e,

 							"certificates");

 		if (!certs)

 			goto export_end;

 		if (key)

 			{

 			/* Look for matching private key */

 			for(i = 0; i < sk_X509_num(certs); i++)

 				{

 				x = sk_X509_value(certs, i);

 				if(X509_check_private_key(x, key))

 					{

 					ucert = x;

 					/* Zero keyid and alias */

 					X509_keyid_set1(ucert, NULL, 0);

 					X509_alias_set1(ucert, NULL, 0);

 					/* Remove from list */

 					sk_X509_delete(certs, i);

 					break;

 					}

 				}

 			if (!ucert)

 				{

 				BIO_printf(bio_err, "No certificate matches private key\n");

 				goto export_end;

 				}

 			}

 		}

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_push_info("reading certs from input 2");

 #endif

 	/* Add any more certificates asked for */

 	if(certfile)

 		{

 		STACK_OF(X509) *morecerts=NULL;

 		if(!(morecerts = load_certs(bio_err, certfile, FORMAT_PEM,

 					    NULL, e,

 					    "certificates from certfile")))

 			goto export_end;

 		while(sk_X509_num(morecerts) > 0)

 			sk_X509_push(certs, sk_X509_shift(morecerts));

 		sk_X509_free(morecerts);

  		}

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_push_info("reading certs from certfile");

 #endif

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_push_info("building chain");

 #endif

 	/* If chaining get chain from user cert */

 	if (chain) {

         	int vret;

 		STACK_OF(X509) *chain2;

 		X509_STORE *store = X509_STORE_new();

 		if (!store)

 			{

 			BIO_printf (bio_err, "Memory allocation error\n");

 			goto export_end;

 			}

 		if (!X509_STORE_load_locations(store, CAfile, CApath))

 			X509_STORE_set_default_paths (store);

 		vret = get_cert_chain (ucert, store, &chain2);

 		X509_STORE_free(store);

 		if (!vret) {

 		    /* Exclude verified certificate */

 		    for (i = 1; i < sk_X509_num (chain2) ; i++) 

 			sk_X509_push(certs, sk_X509_value (chain2, i));

 		    /* Free first certificate */

 		    X509_free(sk_X509_value(chain2, 0));

 		    sk_X509_free(chain2);

 		} else {

 			BIO_printf (bio_err, "Error %s getting chain.\n",

 					X509_verify_cert_error_string(vret));

 			goto export_end;

 		}			

     	}

 	/* Add any CA names */

 	for (i = 0; i < sk_num(canames); i++)

 		{

 		catmp = (unsigned char *)sk_value(canames, i);

 		X509_alias_set1(sk_X509_value(certs, i), catmp, -1);

 		}

 	if (csp_name && key)

 		EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,

 				MBSTRING_ASC, (unsigned char *)csp_name, -1);

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_push_info("reading password");

 #endif

 	if(!noprompt &&

 		EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:", 1))

 		{

 	    	BIO_printf (bio_err, "Can't read Password\n");

 	    	goto export_end;

         	}

 	if (!twopass) BUF_strlcpy(macpass, pass, sizeof macpass);

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_push_info("creating PKCS#12 structure");

 #endif

 	p12 = PKCS12_create(cpass, name, key, ucert, certs,

 				key_pbe, cert_pbe, iter, -1, keytype);

 	if (!p12)

 		{

 	    	ERR_print_errors (bio_err);

 		goto export_end;

 		}

 	if (maciter != -1)

 		PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, NULL);

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_push_info("writing pkcs12");

 #endif

 	i2d_PKCS12_bio(out, p12);

 	ret = 0;

     export_end:

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 	CRYPTO_pop_info();

 	CRYPTO_push_info("process -export_cert: freeing");

 #endif

 	if (key) EVP_PKEY_free(key);

 	if (certs) sk_X509_pop_free(certs, X509_free);

 	if (ucert) X509_free(ucert);

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 #endif

 	goto end;

     }

     if (!(p12 = d2i_PKCS12_bio (in, NULL))) {

 	ERR_print_errors(bio_err);

 	goto end;

     }

 #ifdef CRYPTO_MDEBUG

     CRYPTO_push_info("read import password");

 #endif

     if(!noprompt && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:", 0)) {

 	BIO_printf (bio_err, "Can't read Password\n");

 	goto end;

     }

 #ifdef CRYPTO_MDEBUG

     CRYPTO_pop_info();

 #endif

     if (!twopass) BUF_strlcpy(macpass, pass, sizeof macpass);

     if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);

     if(macver) {

 #ifdef CRYPTO_MDEBUG

     CRYPTO_push_info("verify MAC");

 #endif

 	/* If we enter empty password try no password first */

 	if(!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {

 		/* If mac and crypto pass the same set it to NULL too */

 		if(!twopass) cpass = NULL;

 	} else if (!PKCS12_verify_mac(p12, mpass, -1)) {

 	    BIO_printf (bio_err, "Mac verify error: invalid password?\n");

 	    ERR_print_errors (bio_err);

 	    goto end;

 	}

 	BIO_printf (bio_err, "MAC verified OK\n");

 #ifdef CRYPTO_MDEBUG

     CRYPTO_pop_info();

 #endif

     }

 #ifdef CRYPTO_MDEBUG

     CRYPTO_push_info("output keys and certificates");

 #endif

     if (!dump_certs_keys_p12 (out, p12, cpass, -1, options, passout)) {

 	BIO_printf(bio_err, "Error outputting keys and certificates\n");

 	ERR_print_errors (bio_err);

 	goto end;

     }

 #ifdef CRYPTO_MDEBUG

     CRYPTO_pop_info();

 #endif

     ret = 0;

  end:

     if (p12) PKCS12_free(p12);

     if(export_cert || inrand) app_RAND_write_file(NULL, bio_err);

 #ifdef CRYPTO_MDEBUG

     CRYPTO_remove_all_info();

 #endif

     BIO_free(in);

     BIO_free_all(out);

     if (canames) sk_free(canames);

     if(passin) OPENSSL_free(passin);

     if(passout) OPENSSL_free(passout);

     apps_shutdown();

     OPENSSL_EXIT(ret);

 }

 int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, char *pass,

 	     int passlen, int options, char *pempass)

 {

 	STACK_OF(PKCS7) *asafes = NULL;

 	STACK_OF(PKCS12_SAFEBAG) *bags;

 	int i, bagnid;

 	int ret = 0;

 	PKCS7 *p7;

 	if (!( asafes = PKCS12_unpack_authsafes(p12))) return 0;

 	for (i = 0; i < sk_PKCS7_num (asafes); i++) {

 		p7 = sk_PKCS7_value (asafes, i);

 		bagnid = OBJ_obj2nid (p7->type);

 		if (bagnid == NID_pkcs7_data) {

 			bags = PKCS12_unpack_p7data(p7);

 			if (options & INFO) BIO_printf (bio_err, "PKCS7 Data\n");

 		} else if (bagnid == NID_pkcs7_encrypted) {

 			if (options & INFO) {

 				BIO_printf(bio_err, "PKCS7 Encrypted data: ");

 				alg_print(bio_err, 

 					p7->d.encrypted->enc_data->algorithm);

 			}

 			bags = PKCS12_unpack_p7encdata(p7, pass, passlen);

 		} else continue;

 		if (!bags) goto err;

 	    	if (!dump_certs_pkeys_bags (out, bags, pass, passlen, 

 						 options, pempass)) {

 			sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);

 			goto err;

 		}

 		sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);

 		bags = NULL;

 	}

 	ret = 1;

 	err:

 	if (asafes)

 		sk_PKCS7_pop_free (asafes, PKCS7_free);

 	return ret;

 }

 int dump_certs_pkeys_bags (BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,

 			   char *pass, int passlen, int options, char *pempass)

 {

 	int i;

 	for (i = 0; i < sk_PKCS12_SAFEBAG_num (bags); i++) {

 		if (!dump_certs_pkeys_bag (out,

 					   sk_PKCS12_SAFEBAG_value (bags, i),

 					   pass, passlen,

 					   options, pempass))

 		    return 0;

 	}

 	return 1;

 }

 int dump_certs_pkeys_bag (BIO *out, PKCS12_SAFEBAG *bag, char *pass,

 	     int passlen, int options, char *pempass)

 {

 	EVP_PKEY *pkey;

 	PKCS8_PRIV_KEY_INFO *p8;

 	X509 *x509;

 	switch (M_PKCS12_bag_type(bag))

 	{

 	case NID_keyBag:

 		if (options & INFO) BIO_printf (bio_err, "Key bag\n");

 		if (options & NOKEYS) return 1;

 		print_attribs (out, bag->attrib, "Bag Attributes");

 		p8 = bag->value.keybag;

 		if (!(pkey = EVP_PKCS82PKEY (p8))) return 0;

 		print_attribs (out, p8->attributes, "Key Attributes");

 		PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);

 		EVP_PKEY_free(pkey);

 	break;

 	case NID_pkcs8ShroudedKeyBag:

 		if (options & INFO) {

 			BIO_printf (bio_err, "Shrouded Keybag: ");

 			alg_print (bio_err, bag->value.shkeybag->algor);

 		}

 		if (options & NOKEYS) return 1;

 		print_attribs (out, bag->attrib, "Bag Attributes");

 		if (!(p8 = PKCS12_decrypt_skey(bag, pass, passlen)))

 				return 0;

 		if (!(pkey = EVP_PKCS82PKEY (p8))) {

 			PKCS8_PRIV_KEY_INFO_free(p8);

 			return 0;

 		}

 		print_attribs (out, p8->attributes, "Key Attributes");

 		PKCS8_PRIV_KEY_INFO_free(p8);

 		PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL, pempass);

 		EVP_PKEY_free(pkey);

 	break;

 	case NID_certBag:

 		if (options & INFO) BIO_printf (bio_err, "Certificate bag\n");

 		if (options & NOCERTS) return 1;

                 if (PKCS12_get_attr(bag, NID_localKeyID)) {

 			if (options & CACERTS) return 1;

 		} else if (options & CLCERTS) return 1;

 		print_attribs (out, bag->attrib, "Bag Attributes");

 		if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate )

 								 return 1;

 		if (!(x509 = PKCS12_certbag2x509(bag))) return 0;

 		dump_cert_text (out, x509);

 		PEM_write_bio_X509 (out, x509);

 		X509_free(x509);

 	break;

 	case NID_safeContentsBag:

 		if (options & INFO) BIO_printf (bio_err, "Safe Contents bag\n");

 		print_attribs (out, bag->attrib, "Bag Attributes");

 		return dump_certs_pkeys_bags (out, bag->value.safes, pass,

 							    passlen, options, pempass);

 	default:

 		BIO_printf (bio_err, "Warning unsupported bag type: ");

 		i2a_ASN1_OBJECT (bio_err, bag->type);

 		BIO_printf (bio_err, "\n");

 		return 1;

 	break;

 	}

 	return 1;

 }

 /* Given a single certificate return a verified chain or NULL if error */

 /* Hope this is OK .... */

 int get_cert_chain (X509 *cert, X509_STORE *store, STACK_OF(X509) **chain)

 {

 	X509_STORE_CTX store_ctx;

 	STACK_OF(X509) *chn;

 	int i;

 	/* FIXME: Should really check the return status of X509_STORE_CTX_init

 	 * for an error, but how that fits into the return value of this

 	 * function is less obvious. */

 	X509_STORE_CTX_init(&store_ctx, store, cert, NULL);

 	if (X509_verify_cert(&store_ctx) <= 0) {

 		i = X509_STORE_CTX_get_error (&store_ctx);

 		goto err;

 	}

 	chn =  X509_STORE_CTX_get1_chain(&store_ctx);

 	i = 0;

 	*chain = chn;

 err:

 	X509_STORE_CTX_cleanup(&store_ctx);

 	return i;

 }	

 int alg_print (BIO *x, X509_ALGOR *alg)

 {

 	PBEPARAM *pbe;

 	const unsigned char *p;

 	p = alg->parameter->value.sequence->data;

 	pbe = d2i_PBEPARAM (NULL, &p, alg->parameter->value.sequence->length);

 	BIO_printf (bio_err, "%s, Iteration %ld\n", 

 		OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),

 		ASN1_INTEGER_get(pbe->iter));

 	PBEPARAM_free (pbe);

 	return 0;

 }

 /* Load all certificates from a given file */

 int cert_load(BIO *in, STACK_OF(X509) *sk)

 {

 	int ret;

 	X509 *cert;

 	ret = 0;

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_push_info("cert_load(): reading one cert");

 #endif

 	while((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {

 #ifdef CRYPTO_MDEBUG

 		CRYPTO_pop_info();

 #endif

 		ret = 1;

 		sk_X509_push(sk, cert);

 #ifdef CRYPTO_MDEBUG

 		CRYPTO_push_info("cert_load(): reading one cert");

 #endif

 	}

 #ifdef CRYPTO_MDEBUG

 	CRYPTO_pop_info();

 #endif

 	if(ret) ERR_clear_error();

 	return ret;

 }

 /* Generalised attribute print: handle PKCS#8 and bag attributes */

 int print_attribs (BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,const char *name)

 {

 	X509_ATTRIBUTE *attr;

 	ASN1_TYPE *av;

 	char *value;

 	int i, attr_nid;

 	if(!attrlst) {

 		BIO_printf(out, "%s: <No Attributes>\n", name);

 		return 1;

 	}

 	if(!sk_X509_ATTRIBUTE_num(attrlst)) {

 		BIO_printf(out, "%s: <Empty Attributes>\n", name);

 		return 1;

 	}

 	BIO_printf(out, "%s\n", name);

 	for(i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {

 		attr = sk_X509_ATTRIBUTE_value(attrlst, i);

 		attr_nid = OBJ_obj2nid(attr->object);

 		BIO_printf(out, "    ");

 		if(attr_nid == NID_undef) {

 			i2a_ASN1_OBJECT (out, attr->object);

 			BIO_printf(out, ": ");

 		} else BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));

 		if(sk_ASN1_TYPE_num(attr->value.set)) {

 			av = sk_ASN1_TYPE_value(attr->value.set, 0);

 			switch(av->type) {

 				case V_ASN1_BMPSTRING:

         			value = uni2asc(av->value.bmpstring->data,

                                 	       av->value.bmpstring->length);

 				BIO_printf(out, "%s\n", value);

 				OPENSSL_free(value);

 				break;

 				case V_ASN1_OCTET_STRING:

 				hex_prin(out, av->value.octet_string->data,

 					av->value.octet_string->length);

 				BIO_printf(out, "\n");	

 				break;

 				case V_ASN1_BIT_STRING:

 				hex_prin(out, av->value.bit_string->data,

 					av->value.bit_string->length);

 				BIO_printf(out, "\n");	

 				break;

 				default:

 					BIO_printf(out, "<Unsupported tag %d>\n", av->type);

 				break;

 			}

 		} else BIO_printf(out, "<No Values>\n");

 	}

 	return 1;

 }

 void hex_prin(BIO *out, unsigned char *buf, int len)

 {

 	int i;

 	for (i = 0; i < len; i++) BIO_printf (out, "%02X ", buf[i]);

 }

 #endif