[thirdparty/openssl.git] / crypto / pkcs7 / pk7_lib.c

/* crypto/pkcs7/pk7_lib.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/objects.h>
#include <openssl/x509.h>

long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg)
	{
	int nid;
	long ret;

	nid=OBJ_obj2nid(p7->type);

	switch (cmd)
		{
	case PKCS7_OP_SET_DETACHED_SIGNATURE:
		if (nid == NID_pkcs7_signed)
			{
			ret=p7->detached=(int)larg;
			}
		else
			{
			PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
			ret=0;
			}
		break;
	case PKCS7_OP_GET_DETACHED_SIGNATURE:
		if (nid == NID_pkcs7_signed)
			{
			ret=p7->detached;
			}
		else
			{
			PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
			ret=0;
			}
			
		break;
	default:
		PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_UNKNOWN_OPERATION);
		ret=0;
		}
	return(ret);
	}

int PKCS7_content_new(PKCS7 *p7, int type)
	{
	PKCS7 *ret=NULL;

	if ((ret=PKCS7_new()) == NULL) goto err;
	if (!PKCS7_set_type(ret,type)) goto err;
	if (!PKCS7_set_content(p7,ret)) goto err;

	return(1);
err:
	if (ret != NULL) PKCS7_free(ret);
	return(0);
	}

int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data)
	{
	int i;

	i=OBJ_obj2nid(p7->type);
	switch (i)
		{
	case NID_pkcs7_signed:
		if (p7->d.sign->contents != NULL)
			PKCS7_free(p7->d.sign->contents);
		p7->d.sign->contents=p7_data;
		break;
	case NID_pkcs7_digest:
	case NID_pkcs7_data:
	case NID_pkcs7_enveloped:
	case NID_pkcs7_signedAndEnveloped:
	case NID_pkcs7_encrypted:
	default:
		PKCS7err(PKCS7_F_PKCS7_SET_CONTENT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
		goto err;
		}
	return(1);
err:
	return(0);
	}

int PKCS7_set_type(PKCS7 *p7, int type)
	{
	ASN1_OBJECT *obj;

	PKCS7_content_free(p7);
	obj=OBJ_nid2obj(type); /* will not fail */

	switch (type)
		{
	case NID_pkcs7_signed:
		p7->type=obj;
		if ((p7->d.sign=PKCS7_SIGNED_new()) == NULL)
			goto err;
		ASN1_INTEGER_set(p7->d.sign->version,1);
		break;
	case NID_pkcs7_data:
		p7->type=obj;
		if ((p7->d.data=M_ASN1_OCTET_STRING_new()) == NULL)
			goto err;
		break;
	case NID_pkcs7_signedAndEnveloped:
		p7->type=obj;
		if ((p7->d.signed_and_enveloped=PKCS7_SIGN_ENVELOPE_new())
			== NULL) goto err;
		ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1);
		break;
	case NID_pkcs7_enveloped:
		p7->type=obj;
		if ((p7->d.enveloped=PKCS7_ENVELOPE_new())
			== NULL) goto err;
		ASN1_INTEGER_set(p7->d.enveloped->version,0);
		break;
	case NID_pkcs7_encrypted:
		p7->type=obj;
		if ((p7->d.encrypted=PKCS7_ENCRYPT_new())
			== NULL) goto err;
		ASN1_INTEGER_set(p7->d.encrypted->version,0);
		break;

	case NID_pkcs7_digest:
	default:
		PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
		goto err;
		}
	return(1);
err:
	return(0);
	}

int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi)
	{
	int i,j,nid;
	X509_ALGOR *alg;
	STACK_OF(PKCS7_SIGNER_INFO) *signer_sk;
	STACK_OF(X509_ALGOR) *md_sk;

	i=OBJ_obj2nid(p7->type);
	switch (i)
		{
	case NID_pkcs7_signed:
		signer_sk=	p7->d.sign->signer_info;
		md_sk=		p7->d.sign->md_algs;
		break;
	case NID_pkcs7_signedAndEnveloped:
		signer_sk=	p7->d.signed_and_enveloped->signer_info;
		md_sk=		p7->d.signed_and_enveloped->md_algs;
		break;
	default:
		PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE);
		return(0);
		}

	nid=OBJ_obj2nid(psi->digest_alg->algorithm);

	/* If the digest is not currently listed, add it */
	j=0;
	for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
		{
		alg=sk_X509_ALGOR_value(md_sk,i);
		if (OBJ_obj2nid(alg->algorithm) == nid)
			{
			j=1;
			break;
			}
		}
	if (!j) /* we need to add another algorithm */
		{
		if(!(alg=X509_ALGOR_new())
			|| !(alg->parameter = ASN1_TYPE_new())) {
			PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,ERR_R_MALLOC_FAILURE);
			return(0);
		}
		alg->algorithm=OBJ_nid2obj(nid);
		alg->parameter->type = V_ASN1_NULL;
		sk_X509_ALGOR_push(md_sk,alg);
		}

	sk_PKCS7_SIGNER_INFO_push(signer_sk,psi);
	return(1);
	}

int PKCS7_add_certificate(PKCS7 *p7, X509 *x509)
	{
	int i;
	STACK_OF(X509) **sk;

	i=OBJ_obj2nid(p7->type);
	switch (i)
		{
	case NID_pkcs7_signed:
		sk= &(p7->d.sign->cert);
		break;
	case NID_pkcs7_signedAndEnveloped:
		sk= &(p7->d.signed_and_enveloped->cert);
		break;
	default:
		PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYPE);
		return(0);
		}

	if (*sk == NULL)
		*sk=sk_X509_new_null();
	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
	sk_X509_push(*sk,x509);
	return(1);
	}

int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl)
	{
	int i;
	STACK_OF(X509_CRL) **sk;

	i=OBJ_obj2nid(p7->type);
	switch (i)
		{
	case NID_pkcs7_signed:
		sk= &(p7->d.sign->crl);
		break;
	case NID_pkcs7_signedAndEnveloped:
		sk= &(p7->d.signed_and_enveloped->crl);
		break;
	default:
		PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE);
		return(0);
		}

	if (*sk == NULL)
		*sk=sk_X509_CRL_new_null();

	CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL);
	sk_X509_CRL_push(*sk,crl);
	return(1);
	}

int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
	     EVP_MD *dgst)
	{
	/* We now need to add another PKCS7_SIGNER_INFO entry */
	ASN1_INTEGER_set(p7i->version,1);
	X509_NAME_set(&p7i->issuer_and_serial->issuer,
		X509_get_issuer_name(x509));

	/* because ASN1_INTEGER_set is used to set a 'long' we will do
	 * things the ugly way. */
	M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
	p7i->issuer_and_serial->serial=
		M_ASN1_INTEGER_dup(X509_get_serialNumber(x509));

	/* lets keep the pkey around for a while */
	CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
	p7i->pkey=pkey;

	/* Set the algorithms */
	if (pkey->type == EVP_PKEY_DSA)
		p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1);
	else	
		p7i->digest_alg->algorithm=OBJ_nid2obj(EVP_MD_type(dgst));

	if (p7i->digest_alg->parameter != NULL)
		ASN1_TYPE_free(p7i->digest_alg->parameter);
	if ((p7i->digest_alg->parameter=ASN1_TYPE_new()) == NULL)
		goto err;
	p7i->digest_alg->parameter->type=V_ASN1_NULL;

	p7i->digest_enc_alg->algorithm=OBJ_nid2obj(EVP_PKEY_type(pkey->type));

	if (p7i->digest_enc_alg->parameter != NULL)
		ASN1_TYPE_free(p7i->digest_enc_alg->parameter);
	if ((p7i->digest_enc_alg->parameter=ASN1_TYPE_new()) == NULL)
		goto err;
	p7i->digest_enc_alg->parameter->type=V_ASN1_NULL;

	return(1);
err:
	return(0);
	}

PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey,
	     EVP_MD *dgst)
	{
	PKCS7_SIGNER_INFO *si;

	if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err;
	if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err;
	if (!PKCS7_add_signer(p7,si)) goto err;
	return(si);
err:
	return(NULL);
	}

STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7)
	{
	if (PKCS7_type_is_signed(p7))
		{
		return(p7->d.sign->signer_info);
		}
	else if (PKCS7_type_is_signedAndEnveloped(p7))
		{
		return(p7->d.signed_and_enveloped->signer_info);
		}
	else
		return(NULL);
	}

PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509)
	{
	PKCS7_RECIP_INFO *ri;

	if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err;
	if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err;
	if (!PKCS7_add_recipient_info(p7,ri)) goto err;
	return(ri);
err:
	return(NULL);
	}

int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri)
	{
	int i;
	STACK_OF(PKCS7_RECIP_INFO) *sk;

	i=OBJ_obj2nid(p7->type);
	switch (i)
		{
	case NID_pkcs7_signedAndEnveloped:
		sk=	p7->d.signed_and_enveloped->recipientinfo;
		break;
	case NID_pkcs7_enveloped:
		sk=	p7->d.enveloped->recipientinfo;
		break;
	default:
		PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_TYPE);
		return(0);
		}

	sk_PKCS7_RECIP_INFO_push(sk,ri);
	return(1);
	}

int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509)
	{
	ASN1_INTEGER_set(p7i->version,0);
	X509_NAME_set(&p7i->issuer_and_serial->issuer,
		X509_get_issuer_name(x509));

	M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
	p7i->issuer_and_serial->serial=
		M_ASN1_INTEGER_dup(X509_get_serialNumber(x509));

	X509_ALGOR_free(p7i->key_enc_algor);
	p7i->key_enc_algor=(X509_ALGOR *)ASN1_dup(i2d_X509_ALGOR,
		(char *(*)())d2i_X509_ALGOR,
		(char *)x509->cert_info->key->algor);

	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
	p7i->cert=x509;

	return(1);
	}

X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si)
	{
	if (PKCS7_type_is_signed(p7))
		return(X509_find_by_issuer_and_serial(p7->d.sign->cert,
			si->issuer_and_serial->issuer,
			si->issuer_and_serial->serial));
	else
		return(NULL);
	}

int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher)
	{
	int i;
	PKCS7_ENC_CONTENT *ec;

	i=OBJ_obj2nid(p7->type);
	switch (i)
		{
	case NID_pkcs7_signedAndEnveloped:
		ec=p7->d.signed_and_enveloped->enc_data;
		break;
	case NID_pkcs7_enveloped:
		ec=p7->d.enveloped->enc_data;
		break;
	default:
		PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE);
		return(0);
		}

	/* Setup cipher OID */

	ec->cipher = cipher;
	return 1;
	}
Commit	Line	Data
d02b48c6	1	/* crypto/pkcs7/pk7_lib.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include "cryptlib.h"
ec577822 BM	61	#include <openssl/objects.h>
ec577822 BM	62	#include <openssl/x509.h>
d02b48c6	63
6b691a5c	64	long PKCS7_ctrl(PKCS7 p7, int cmd, long larg, char parg)
d02b48c6 RE	65	{
	66	int nid;
	67	long ret;
	68
	69	nid=OBJ_obj2nid(p7->type);
	70
	71	switch (cmd)
	72	{
	73	case PKCS7_OP_SET_DETACHED_SIGNATURE:
	74	if (nid == NID_pkcs7_signed)
	75	{
	76	ret=p7->detached=(int)larg;
	77	}
	78	else
	79	{
	80	PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
	81	ret=0;
	82	}
	83	break;
	84	case PKCS7_OP_GET_DETACHED_SIGNATURE:
	85	if (nid == NID_pkcs7_signed)
	86	{
	87	ret=p7->detached;
	88	}
	89	else
	90	{
	91	PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
	92	ret=0;
	93	}
	94
	95	break;
	96	default:
dfeab068 RE	97	PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_UNKNOWN_OPERATION);
dfeab068 RE	98	ret=0;
d02b48c6 RE	99	}
	100	return(ret);
	101	}
	102
6b691a5c	103	int PKCS7_content_new(PKCS7 *p7, int type)
d02b48c6 RE	104	{
	105	PKCS7 *ret=NULL;
	106
	107	if ((ret=PKCS7_new()) == NULL) goto err;
	108	if (!PKCS7_set_type(ret,type)) goto err;
	109	if (!PKCS7_set_content(p7,ret)) goto err;
	110
	111	return(1);
	112	err:
	113	if (ret != NULL) PKCS7_free(ret);
	114	return(0);
	115	}
	116
6b691a5c	117	int PKCS7_set_content(PKCS7 p7, PKCS7 p7_data)
d02b48c6 RE	118	{
	119	int i;
	120
	121	i=OBJ_obj2nid(p7->type);
	122	switch (i)
	123	{
	124	case NID_pkcs7_signed:
	125	if (p7->d.sign->contents != NULL)
d8223efd	126	PKCS7_free(p7->d.sign->contents);
d02b48c6 RE	127	p7->d.sign->contents=p7_data;
	128	break;
	129	case NID_pkcs7_digest:
	130	case NID_pkcs7_data:
	131	case NID_pkcs7_enveloped:
	132	case NID_pkcs7_signedAndEnveloped:
	133	case NID_pkcs7_encrypted:
	134	default:
	135	PKCS7err(PKCS7_F_PKCS7_SET_CONTENT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
	136	goto err;
	137	}
	138	return(1);
	139	err:
	140	return(0);
	141	}
	142
6b691a5c	143	int PKCS7_set_type(PKCS7 *p7, int type)
d02b48c6 RE	144	{
	145	ASN1_OBJECT *obj;
	146
	147	PKCS7_content_free(p7);
	148	obj=OBJ_nid2obj(type); /* will not fail */
	149
	150	switch (type)
	151	{
	152	case NID_pkcs7_signed:
	153	p7->type=obj;
	154	if ((p7->d.sign=PKCS7_SIGNED_new()) == NULL)
	155	goto err;
	156	ASN1_INTEGER_set(p7->d.sign->version,1);
	157	break;
	158	case NID_pkcs7_data:
	159	p7->type=obj;
08e9c1af	160	if ((p7->d.data=M_ASN1_OCTET_STRING_new()) == NULL)
d02b48c6 RE	161	goto err;
d02b48c6 RE	162	break;
58964a49 RE	163	case NID_pkcs7_signedAndEnveloped:
	164	p7->type=obj;
	165	if ((p7->d.signed_and_enveloped=PKCS7_SIGN_ENVELOPE_new())
dfeab068 RE	166	== NULL) goto err;
dfeab068 RE	167	ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1);
58964a49	168	break;
d02b48c6	169	case NID_pkcs7_enveloped:
dfeab068 RE	170	p7->type=obj;
	171	if ((p7->d.enveloped=PKCS7_ENVELOPE_new())
	172	== NULL) goto err;
	173	ASN1_INTEGER_set(p7->d.enveloped->version,0);
	174	break;
d02b48c6	175	case NID_pkcs7_encrypted:
c6c34506 DSH	176	p7->type=obj;
	177	if ((p7->d.encrypted=PKCS7_ENCRYPT_new())
	178	== NULL) goto err;
	179	ASN1_INTEGER_set(p7->d.encrypted->version,0);
	180	break;
	181
	182	case NID_pkcs7_digest:
d02b48c6 RE	183	default:
	184	PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
	185	goto err;
	186	}
	187	return(1);
	188	err:
	189	return(0);
	190	}
	191
6b691a5c	192	int PKCS7_add_signer(PKCS7 p7, PKCS7_SIGNER_INFO psi)
d02b48c6 RE	193	{
	194	int i,j,nid;
	195	X509_ALGOR *alg;
b05b50e6	196	STACK_OF(PKCS7_SIGNER_INFO) *signer_sk;
426edadf	197	STACK_OF(X509_ALGOR) *md_sk;
d02b48c6 RE	198
d02b48c6 RE	199	i=OBJ_obj2nid(p7->type);
58964a49	200	switch (i)
d02b48c6	201	{
58964a49 RE	202	case NID_pkcs7_signed:
	203	signer_sk= p7->d.sign->signer_info;
	204	md_sk= p7->d.sign->md_algs;
	205	break;
	206	case NID_pkcs7_signedAndEnveloped:
	207	signer_sk= p7->d.signed_and_enveloped->signer_info;
	208	md_sk= p7->d.signed_and_enveloped->md_algs;
	209	break;
	210	default:
d02b48c6 RE	211	PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE);
	212	return(0);
	213	}
	214
d02b48c6 RE	215	nid=OBJ_obj2nid(psi->digest_alg->algorithm);
	216
	217	/* If the digest is not currently listed, add it */
	218	j=0;
426edadf	219	for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
d02b48c6	220	{
426edadf	221	alg=sk_X509_ALGOR_value(md_sk,i);
d02b48c6 RE	222	if (OBJ_obj2nid(alg->algorithm) == nid)
	223	{
	224	j=1;
	225	break;
	226	}
	227	}
	228	if (!j) /* we need to add another algorithm */
	229	{
b216664f DSH	230	if(!(alg=X509_ALGOR_new())
	231	\|\| !(alg->parameter = ASN1_TYPE_new())) {
	232	PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,ERR_R_MALLOC_FAILURE);
	233	return(0);
	234	}
d02b48c6	235	alg->algorithm=OBJ_nid2obj(nid);
b216664f	236	alg->parameter->type = V_ASN1_NULL;
426edadf	237	sk_X509_ALGOR_push(md_sk,alg);
d02b48c6 RE	238	}
d02b48c6 RE	239
b05b50e6	240	sk_PKCS7_SIGNER_INFO_push(signer_sk,psi);
d02b48c6 RE	241	return(1);
	242	}
	243
6b691a5c	244	int PKCS7_add_certificate(PKCS7 p7, X509 x509)
d02b48c6 RE	245	{
d02b48c6 RE	246	int i;
f73e07cf	247	STACK_OF(X509) **sk;
d02b48c6 RE	248
d02b48c6 RE	249	i=OBJ_obj2nid(p7->type);
58964a49	250	switch (i)
d02b48c6	251	{
58964a49 RE	252	case NID_pkcs7_signed:
	253	sk= &(p7->d.sign->cert);
	254	break;
	255	case NID_pkcs7_signedAndEnveloped:
	256	sk= &(p7->d.signed_and_enveloped->cert);
	257	break;
	258	default:
	259	PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYPE);
d02b48c6 RE	260	return(0);
	261	}
	262
58964a49	263	if (*sk == NULL)
f73e07cf	264	*sk=sk_X509_new_null();
d02b48c6	265	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
f73e07cf	266	sk_X509_push(*sk,x509);
d02b48c6 RE	267	return(1);
	268	}
	269
6b691a5c	270	int PKCS7_add_crl(PKCS7 p7, X509_CRL crl)
d02b48c6 RE	271	{
d02b48c6 RE	272	int i;
6d114240	273	STACK_OF(X509_CRL) **sk;
58964a49	274
d02b48c6	275	i=OBJ_obj2nid(p7->type);
58964a49	276	switch (i)
d02b48c6	277	{
58964a49 RE	278	case NID_pkcs7_signed:
	279	sk= &(p7->d.sign->crl);
	280	break;
	281	case NID_pkcs7_signedAndEnveloped:
	282	sk= &(p7->d.signed_and_enveloped->crl);
	283	break;
	284	default:
	285	PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE);
d02b48c6 RE	286	return(0);
	287	}
	288
58964a49	289	if (*sk == NULL)
6d114240	290	*sk=sk_X509_CRL_new_null();
d02b48c6 RE	291
d02b48c6 RE	292	CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL);
6d114240	293	sk_X509_CRL_push(*sk,crl);
d02b48c6 RE	294	return(1);
	295	}
	296
6b691a5c UM	297	int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO p7i, X509 x509, EVP_PKEY *pkey,
6b691a5c UM	298	EVP_MD *dgst)
d02b48c6 RE	299	{
	300	/* We now need to add another PKCS7_SIGNER_INFO entry */
	301	ASN1_INTEGER_set(p7i->version,1);
	302	X509_NAME_set(&p7i->issuer_and_serial->issuer,
	303	X509_get_issuer_name(x509));
	304
	305	/* because ASN1_INTEGER_set is used to set a 'long' we will do
	306	* things the ugly way. */
08e9c1af	307	M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
d02b48c6	308	p7i->issuer_and_serial->serial=
08e9c1af	309	M_ASN1_INTEGER_dup(X509_get_serialNumber(x509));
d02b48c6 RE	310
	311	/* lets keep the pkey around for a while */
	312	CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
	313	p7i->pkey=pkey;
	314
	315	/* Set the algorithms */
dfeab068 RE	316	if (pkey->type == EVP_PKEY_DSA)
	317	p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1);
	318	else
	319	p7i->digest_alg->algorithm=OBJ_nid2obj(EVP_MD_type(dgst));
d02b48c6	320
10243d97 DSH	321	if (p7i->digest_alg->parameter != NULL)
	322	ASN1_TYPE_free(p7i->digest_alg->parameter);
	323	if ((p7i->digest_alg->parameter=ASN1_TYPE_new()) == NULL)
	324	goto err;
	325	p7i->digest_alg->parameter->type=V_ASN1_NULL;
	326
c8b41850 DSH	327	p7i->digest_enc_alg->algorithm=OBJ_nid2obj(EVP_PKEY_type(pkey->type));
c8b41850 DSH	328
d02b48c6 RE	329	if (p7i->digest_enc_alg->parameter != NULL)
	330	ASN1_TYPE_free(p7i->digest_enc_alg->parameter);
	331	if ((p7i->digest_enc_alg->parameter=ASN1_TYPE_new()) == NULL)
	332	goto err;
	333	p7i->digest_enc_alg->parameter->type=V_ASN1_NULL;
d02b48c6	334
d02b48c6 RE	335	return(1);
	336	err:
	337	return(0);
	338	}
	339
6b691a5c UM	340	PKCS7_SIGNER_INFO PKCS7_add_signature(PKCS7 p7, X509 x509, EVP_PKEY pkey,
6b691a5c UM	341	EVP_MD *dgst)
d02b48c6 RE	342	{
	343	PKCS7_SIGNER_INFO *si;
	344
	345	if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err;
	346	if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err;
	347	if (!PKCS7_add_signer(p7,si)) goto err;
	348	return(si);
	349	err:
	350	return(NULL);
	351	}
	352
b05b50e6	353	STACK_OF(PKCS7_SIGNER_INFO) PKCS7_get_signer_info(PKCS7 p7)
d02b48c6 RE	354	{
	355	if (PKCS7_type_is_signed(p7))
	356	{
	357	return(p7->d.sign->signer_info);
	358	}
dfeab068 RE	359	else if (PKCS7_type_is_signedAndEnveloped(p7))
	360	{
	361	return(p7->d.signed_and_enveloped->signer_info);
	362	}
d02b48c6 RE	363	else
	364	return(NULL);
	365	}
	366
6b691a5c	367	PKCS7_RECIP_INFO PKCS7_add_recipient(PKCS7 p7, X509 *x509)
58964a49 RE	368	{
	369	PKCS7_RECIP_INFO *ri;
	370
	371	if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err;
	372	if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err;
	373	if (!PKCS7_add_recipient_info(p7,ri)) goto err;
	374	return(ri);
	375	err:
	376	return(NULL);
	377	}
	378
6b691a5c	379	int PKCS7_add_recipient_info(PKCS7 p7, PKCS7_RECIP_INFO ri)
58964a49 RE	380	{
58964a49 RE	381	int i;
8f0edcd1	382	STACK_OF(PKCS7_RECIP_INFO) *sk;
58964a49 RE	383
	384	i=OBJ_obj2nid(p7->type);
	385	switch (i)
	386	{
	387	case NID_pkcs7_signedAndEnveloped:
	388	sk= p7->d.signed_and_enveloped->recipientinfo;
	389	break;
dfeab068 RE	390	case NID_pkcs7_enveloped:
	391	sk= p7->d.enveloped->recipientinfo;
	392	break;
58964a49 RE	393	default:
	394	PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_TYPE);
	395	return(0);
	396	}
	397
8f0edcd1	398	sk_PKCS7_RECIP_INFO_push(sk,ri);
58964a49 RE	399	return(1);
	400	}
	401
6b691a5c	402	int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO p7i, X509 x509)
58964a49 RE	403	{
	404	ASN1_INTEGER_set(p7i->version,0);
	405	X509_NAME_set(&p7i->issuer_and_serial->issuer,
	406	X509_get_issuer_name(x509));
	407
08e9c1af	408	M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
58964a49	409	p7i->issuer_and_serial->serial=
08e9c1af	410	M_ASN1_INTEGER_dup(X509_get_serialNumber(x509));
58964a49	411
dfeab068 RE	412	X509_ALGOR_free(p7i->key_enc_algor);
	413	p7i->key_enc_algor=(X509_ALGOR *)ASN1_dup(i2d_X509_ALGOR,
	414	(char ()())d2i_X509_ALGOR,
	415	(char *)x509->cert_info->key->algor);
	416
58964a49 RE	417	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
	418	p7i->cert=x509;
	419
	420	return(1);
	421	}
	422
6b691a5c	423	X509 PKCS7_cert_from_signer_info(PKCS7 p7, PKCS7_SIGNER_INFO *si)
d02b48c6 RE	424	{
	425	if (PKCS7_type_is_signed(p7))
	426	return(X509_find_by_issuer_and_serial(p7->d.sign->cert,
	427	si->issuer_and_serial->issuer,
	428	si->issuer_and_serial->serial));
	429	else
	430	return(NULL);
	431	}
	432
84fa704c	433	int PKCS7_set_cipher(PKCS7 p7, const EVP_CIPHER cipher)
58964a49 RE	434	{
	435	int i;
	436	PKCS7_ENC_CONTENT *ec;
	437
	438	i=OBJ_obj2nid(p7->type);
	439	switch (i)
	440	{
	441	case NID_pkcs7_signedAndEnveloped:
	442	ec=p7->d.signed_and_enveloped->enc_data;
	443	break;
dfeab068 RE	444	case NID_pkcs7_enveloped:
	445	ec=p7->d.enveloped->enc_data;
	446	break;
58964a49 RE	447	default:
	448	PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE);
	449	return(0);
	450	}
	451
84fa704c DSH	452	/* Setup cipher OID */
	453
	454	ec->cipher = cipher;
	455	return 1;
58964a49 RE	456	}
58964a49 RE	457