/* p12_crt.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 <stdio.h>

 #include "cryptlib.h"

 #include <openssl/pkcs12.h>

 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag);

 EXPORT_C PKCS12 *PKCS12_create(char *pass, char *name, EVP_PKEY *pkey, X509 *cert,

 	     STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, int mac_iter,

 	     int keytype)

 {

 	PKCS12 *p12 = NULL;

 	STACK_OF(PKCS7) *safes = NULL;

 	STACK_OF(PKCS12_SAFEBAG) *bags = NULL;

 	PKCS12_SAFEBAG *bag = NULL;

 	int i;

 	unsigned char keyid[EVP_MAX_MD_SIZE];

 	unsigned int keyidlen = 0;

 	/* Set defaults */

 	if (!nid_cert)

 		nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC;

 	if (!nid_key)

 		nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;

 	if (!iter)

 		iter = PKCS12_DEFAULT_ITER;

 	if (!mac_iter)

 		mac_iter = 1;

 	if(!pkey && !cert && !ca)

 		{

 		PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT);

 		return NULL;

 		}

 	if (pkey && cert)

 		{

 		if(!X509_check_private_key(cert, pkey))

 			return NULL;

 		X509_digest(cert, EVP_sha1(), keyid, &keyidlen);

 		}

 	if (cert)

 		{

 		bag = PKCS12_add_cert(&bags, cert);

 		if(name && !PKCS12_add_friendlyname(bag, name, -1))

 			goto err;

 		if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))

 			goto err;

 		}

 	/* Add all other certificates */

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

 		{

 		if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i)))

 			goto err;

 		}

 	if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass))

 			goto err;

 	sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);

 	bags = NULL;

 	if (pkey)

 		{

 		int cspidx;

 		bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass);

 		if (!bag)

 			goto err;

 		cspidx = EVP_PKEY_get_attr_by_NID(pkey, NID_ms_csp_name, -1);

 		if (cspidx >= 0)

 			{

 			X509_ATTRIBUTE *cspattr;

 			cspattr = EVP_PKEY_get_attr(pkey, cspidx);

 			if (!X509at_add1_attr(&bag->attrib, cspattr))

 				goto err;

 			}

 		if(name && !PKCS12_add_friendlyname(bag, name, -1))

 			goto err;

 		if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))

 			goto err;

 		}

 	if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL))

 			goto err;

 	sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);

 	bags = NULL;

 	p12 = PKCS12_add_safes(safes, 0);

 	sk_PKCS7_pop_free(safes, PKCS7_free);

 	safes = NULL;

 	if ((mac_iter != -1) &&

 		!PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL))

 	    goto err;

 	return p12;

 	err:

 	if (p12)

 		PKCS12_free(p12);

 	if (safes)

 		sk_PKCS7_pop_free(safes, PKCS7_free);

 	if (bags)

 		sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);

 	return NULL;

 }

 EXPORT_C PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)

 	{

 	PKCS12_SAFEBAG *bag = NULL;

 	char *name;

 	int namelen = -1;

 	unsigned char *keyid;

 	int keyidlen = -1;

 	/* Add user certificate */

 	if(!(bag = PKCS12_x5092certbag(cert)))

 		goto err;

 	/* Use friendlyName and localKeyID in certificate.

 	 * (if present)

 	 */

 	name = (char *)X509_alias_get0(cert, &namelen);

 	if(name && !PKCS12_add_friendlyname(bag, name, namelen))

 		goto err;

 	keyid = X509_keyid_get0(cert, &keyidlen);

 	if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen))

 		goto err;

 	if (!pkcs12_add_bag(pbags, bag))

 		goto err;

 	return bag;

 	err:

 	if (bag)

 		PKCS12_SAFEBAG_free(bag);

 	return NULL;

 	}

 EXPORT_C PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key,

 						int key_usage, int iter,

 						int nid_key, char *pass)

 	{

 	PKCS12_SAFEBAG *bag = NULL;

 	PKCS8_PRIV_KEY_INFO *p8 = NULL;

 	/* Make a PKCS#8 structure */

 	if(!(p8 = EVP_PKEY2PKCS8(key)))

 		goto err;

 	if(key_usage && !PKCS8_add_keyusage(p8, key_usage))

 		goto err;

 	if (nid_key != -1)

 		{

 		bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8);

 		PKCS8_PRIV_KEY_INFO_free(p8);

 		}

 	else

 		bag = PKCS12_MAKE_KEYBAG(p8);

 	if(!bag)

 		goto err;

 	if (!pkcs12_add_bag(pbags, bag))

 		goto err;

 	return bag;

 	err:

 	if (bag)

 		PKCS12_SAFEBAG_free(bag);

 	return NULL;

 	}

 EXPORT_C int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,

 						int nid_safe, int iter, char *pass)

 	{

 	PKCS7 *p7 = NULL;

 	int free_safes = 0;

 	if (!*psafes)

 		{

 		*psafes = sk_PKCS7_new_null();

 		if (!*psafes)

 			return 0;

 		free_safes = 1;

 		}

 	else

 		free_safes = 0;

 	if (nid_safe == 0)

 		nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;

 	if (nid_safe == -1)

 		p7 = PKCS12_pack_p7data(bags);

 	else

 		p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0,

 					  iter, bags);

 	if (!p7)

 		goto err;

 	if (!sk_PKCS7_push(*psafes, p7))

 		goto err;

 	return 1;

 	err:

 	if (free_safes)

 		{

 		sk_PKCS7_free(*psafes);

 		*psafes = NULL;

 		}

 	if (p7)

 		PKCS7_free(p7);

 	return 0;

 	}

 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag)

 	{

 	int free_bags;

 	if (!pbags)

 		return 1;

 	if (!*pbags)

 		{

 		*pbags = sk_PKCS12_SAFEBAG_new_null();

 		if (!*pbags)

 			return 0;

 		free_bags = 1;

 		}

 	else 

 		free_bags = 0;

 	if (!sk_PKCS12_SAFEBAG_push(*pbags, bag))

 		{

 		if (free_bags)

 			{

 			sk_PKCS12_SAFEBAG_free(*pbags);

 			*pbags = NULL;

 			}

 		return 0;

 		}

 	return 1;

 	}

 EXPORT_C PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)

 	{

 	PKCS12 *p12;

 	if (nid_p7 <= 0)

 		nid_p7 = NID_pkcs7_data;

 	p12 = PKCS12_init(nid_p7);

 	if (!p12)

 		return NULL;

 	if(!PKCS12_pack_authsafes(p12, safes))

 		{

 		PKCS12_free(p12);

 		return NULL;

 		}

 	return p12;

 	}