/* 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