[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_content_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=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);
/*		p7->d.signed_and_enveloped->enc_data->content_type=
			OBJ_nid2obj(NID_pkcs7_encrypted);*/
			
		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_digest:
	case NID_pkcs7_encrypted:
	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 *signer_sk;
	STACK *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_num(md_sk); i++)
		{
		alg=(X509_ALGOR *)sk_value(md_sk,i);
		if (OBJ_obj2nid(alg->algorithm) == nid)
			{
			j=1;
			break;
			}
		}
	if (!j) /* we need to add another algorithm */
		{
		alg=X509_ALGOR_new();
		alg->algorithm=OBJ_nid2obj(nid);
		sk_push(md_sk,(char *)alg);
		}

	sk_push(signer_sk,(char *)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 **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_new_null();

	CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL);
	sk_push(*sk,(char *)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. */
	ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
	p7i->issuer_and_serial->serial=
		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 *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 *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_push(sk,(char *)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));

	ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
	p7i->issuer_and_serial->serial=
		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)
	126	PKCS7_content_free(p7->d.sign->contents);
	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;
	160	if ((p7->d.data=ASN1_OCTET_STRING_new()) == NULL)
	161	goto err;
	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;
	167	ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1);
	168	/* p7->d.signed_and_enveloped->enc_data->content_type=
	169	OBJ_nid2obj(NID_pkcs7_encrypted);*/
	170
58964a49	171	break;
d02b48c6	172	case NID_pkcs7_enveloped:
dfeab068 RE	173	p7->type=obj;
	174	if ((p7->d.enveloped=PKCS7_ENVELOPE_new())
	175	== NULL) goto err;
	176	ASN1_INTEGER_set(p7->d.enveloped->version,0);
	177	break;
	178	case NID_pkcs7_digest:
d02b48c6 RE	179	case NID_pkcs7_encrypted:
	180	default:
	181	PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
	182	goto err;
	183	}
	184	return(1);
	185	err:
	186	return(0);
	187	}
	188
6b691a5c	189	int PKCS7_add_signer(PKCS7 p7, PKCS7_SIGNER_INFO psi)
d02b48c6 RE	190	{
	191	int i,j,nid;
	192	X509_ALGOR *alg;
58964a49 RE	193	STACK *signer_sk;
58964a49 RE	194	STACK *md_sk;
d02b48c6 RE	195
d02b48c6 RE	196	i=OBJ_obj2nid(p7->type);
58964a49	197	switch (i)
d02b48c6	198	{
58964a49 RE	199	case NID_pkcs7_signed:
	200	signer_sk= p7->d.sign->signer_info;
	201	md_sk= p7->d.sign->md_algs;
	202	break;
	203	case NID_pkcs7_signedAndEnveloped:
	204	signer_sk= p7->d.signed_and_enveloped->signer_info;
	205	md_sk= p7->d.signed_and_enveloped->md_algs;
	206	break;
	207	default:
d02b48c6 RE	208	PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE);
	209	return(0);
	210	}
	211
d02b48c6 RE	212	nid=OBJ_obj2nid(psi->digest_alg->algorithm);
	213
	214	/* If the digest is not currently listed, add it */
	215	j=0;
58964a49	216	for (i=0; i<sk_num(md_sk); i++)
d02b48c6	217	{
58964a49	218	alg=(X509_ALGOR *)sk_value(md_sk,i);
d02b48c6 RE	219	if (OBJ_obj2nid(alg->algorithm) == nid)
	220	{
	221	j=1;
	222	break;
	223	}
	224	}
	225	if (!j) /* we need to add another algorithm */
	226	{
	227	alg=X509_ALGOR_new();
	228	alg->algorithm=OBJ_nid2obj(nid);
58964a49	229	sk_push(md_sk,(char *)alg);
d02b48c6 RE	230	}
d02b48c6 RE	231
58964a49	232	sk_push(signer_sk,(char *)psi);
d02b48c6 RE	233	return(1);
	234	}
	235
6b691a5c	236	int PKCS7_add_certificate(PKCS7 p7, X509 x509)
d02b48c6 RE	237	{
d02b48c6 RE	238	int i;
f73e07cf	239	STACK_OF(X509) **sk;
d02b48c6 RE	240
d02b48c6 RE	241	i=OBJ_obj2nid(p7->type);
58964a49	242	switch (i)
d02b48c6	243	{
58964a49 RE	244	case NID_pkcs7_signed:
	245	sk= &(p7->d.sign->cert);
	246	break;
	247	case NID_pkcs7_signedAndEnveloped:
	248	sk= &(p7->d.signed_and_enveloped->cert);
	249	break;
	250	default:
	251	PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYPE);
d02b48c6 RE	252	return(0);
	253	}
	254
58964a49	255	if (*sk == NULL)
f73e07cf	256	*sk=sk_X509_new_null();
d02b48c6	257	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
f73e07cf	258	sk_X509_push(*sk,x509);
d02b48c6 RE	259	return(1);
	260	}
	261
6b691a5c	262	int PKCS7_add_crl(PKCS7 p7, X509_CRL crl)
d02b48c6 RE	263	{
d02b48c6 RE	264	int i;
58964a49 RE	265	STACK **sk;
58964a49 RE	266
d02b48c6	267	i=OBJ_obj2nid(p7->type);
58964a49	268	switch (i)
d02b48c6	269	{
58964a49 RE	270	case NID_pkcs7_signed:
	271	sk= &(p7->d.sign->crl);
	272	break;
	273	case NID_pkcs7_signedAndEnveloped:
	274	sk= &(p7->d.signed_and_enveloped->crl);
	275	break;
	276	default:
	277	PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE);
d02b48c6 RE	278	return(0);
	279	}
	280
58964a49 RE	281	if (*sk == NULL)
58964a49 RE	282	*sk=sk_new_null();
d02b48c6 RE	283
d02b48c6 RE	284	CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL);
58964a49	285	sk_push(sk,(char )crl);
d02b48c6 RE	286	return(1);
	287	}
	288
6b691a5c UM	289	int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO p7i, X509 x509, EVP_PKEY *pkey,
6b691a5c UM	290	EVP_MD *dgst)
d02b48c6 RE	291	{
	292	/* We now need to add another PKCS7_SIGNER_INFO entry */
	293	ASN1_INTEGER_set(p7i->version,1);
	294	X509_NAME_set(&p7i->issuer_and_serial->issuer,
	295	X509_get_issuer_name(x509));
	296
	297	/* because ASN1_INTEGER_set is used to set a 'long' we will do
	298	* things the ugly way. */
	299	ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
	300	p7i->issuer_and_serial->serial=
	301	ASN1_INTEGER_dup(X509_get_serialNumber(x509));
	302
	303	/* lets keep the pkey around for a while */
	304	CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
	305	p7i->pkey=pkey;
	306
	307	/* Set the algorithms */
dfeab068 RE	308	if (pkey->type == EVP_PKEY_DSA)
	309	p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1);
	310	else
	311	p7i->digest_alg->algorithm=OBJ_nid2obj(EVP_MD_type(dgst));
d02b48c6	312
10243d97 DSH	313	if (p7i->digest_alg->parameter != NULL)
	314	ASN1_TYPE_free(p7i->digest_alg->parameter);
	315	if ((p7i->digest_alg->parameter=ASN1_TYPE_new()) == NULL)
	316	goto err;
	317	p7i->digest_alg->parameter->type=V_ASN1_NULL;
	318
c8b41850 DSH	319	p7i->digest_enc_alg->algorithm=OBJ_nid2obj(EVP_PKEY_type(pkey->type));
c8b41850 DSH	320
d02b48c6 RE	321	if (p7i->digest_enc_alg->parameter != NULL)
	322	ASN1_TYPE_free(p7i->digest_enc_alg->parameter);
	323	if ((p7i->digest_enc_alg->parameter=ASN1_TYPE_new()) == NULL)
	324	goto err;
	325	p7i->digest_enc_alg->parameter->type=V_ASN1_NULL;
d02b48c6	326
d02b48c6 RE	327	return(1);
	328	err:
	329	return(0);
	330	}
	331
6b691a5c UM	332	PKCS7_SIGNER_INFO PKCS7_add_signature(PKCS7 p7, X509 x509, EVP_PKEY pkey,
6b691a5c UM	333	EVP_MD *dgst)
d02b48c6 RE	334	{
	335	PKCS7_SIGNER_INFO *si;
	336
	337	if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err;
	338	if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err;
	339	if (!PKCS7_add_signer(p7,si)) goto err;
	340	return(si);
	341	err:
	342	return(NULL);
	343	}
	344
6b691a5c	345	STACK PKCS7_get_signer_info(PKCS7 p7)
d02b48c6 RE	346	{
	347	if (PKCS7_type_is_signed(p7))
	348	{
	349	return(p7->d.sign->signer_info);
	350	}
dfeab068 RE	351	else if (PKCS7_type_is_signedAndEnveloped(p7))
	352	{
	353	return(p7->d.signed_and_enveloped->signer_info);
	354	}
d02b48c6 RE	355	else
	356	return(NULL);
	357	}
	358
6b691a5c	359	PKCS7_RECIP_INFO PKCS7_add_recipient(PKCS7 p7, X509 *x509)
58964a49 RE	360	{
	361	PKCS7_RECIP_INFO *ri;
	362
	363	if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err;
	364	if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err;
	365	if (!PKCS7_add_recipient_info(p7,ri)) goto err;
	366	return(ri);
	367	err:
	368	return(NULL);
	369	}
	370
6b691a5c	371	int PKCS7_add_recipient_info(PKCS7 p7, PKCS7_RECIP_INFO ri)
58964a49 RE	372	{
	373	int i;
	374	STACK *sk;
	375
	376	i=OBJ_obj2nid(p7->type);
	377	switch (i)
	378	{
	379	case NID_pkcs7_signedAndEnveloped:
	380	sk= p7->d.signed_and_enveloped->recipientinfo;
	381	break;
dfeab068 RE	382	case NID_pkcs7_enveloped:
	383	sk= p7->d.enveloped->recipientinfo;
	384	break;
58964a49 RE	385	default:
	386	PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_TYPE);
	387	return(0);
	388	}
	389
	390	sk_push(sk,(char *)ri);
	391	return(1);
	392	}
	393
6b691a5c	394	int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO p7i, X509 x509)
58964a49 RE	395	{
	396	ASN1_INTEGER_set(p7i->version,0);
	397	X509_NAME_set(&p7i->issuer_and_serial->issuer,
	398	X509_get_issuer_name(x509));
	399
	400	ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
	401	p7i->issuer_and_serial->serial=
	402	ASN1_INTEGER_dup(X509_get_serialNumber(x509));
	403
dfeab068 RE	404	X509_ALGOR_free(p7i->key_enc_algor);
	405	p7i->key_enc_algor=(X509_ALGOR *)ASN1_dup(i2d_X509_ALGOR,
	406	(char ()())d2i_X509_ALGOR,
	407	(char *)x509->cert_info->key->algor);
	408
58964a49 RE	409	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
	410	p7i->cert=x509;
	411
	412	return(1);
	413	}
	414
6b691a5c	415	X509 PKCS7_cert_from_signer_info(PKCS7 p7, PKCS7_SIGNER_INFO *si)
d02b48c6 RE	416	{
	417	if (PKCS7_type_is_signed(p7))
	418	return(X509_find_by_issuer_and_serial(p7->d.sign->cert,
	419	si->issuer_and_serial->issuer,
	420	si->issuer_and_serial->serial));
	421	else
	422	return(NULL);
	423	}
	424
84fa704c	425	int PKCS7_set_cipher(PKCS7 p7, const EVP_CIPHER cipher)
58964a49 RE	426	{
	427	int i;
	428	PKCS7_ENC_CONTENT *ec;
	429
	430	i=OBJ_obj2nid(p7->type);
	431	switch (i)
	432	{
	433	case NID_pkcs7_signedAndEnveloped:
	434	ec=p7->d.signed_and_enveloped->enc_data;
	435	break;
dfeab068 RE	436	case NID_pkcs7_enveloped:
	437	ec=p7->d.enveloped->enc_data;
	438	break;
58964a49 RE	439	default:
	440	PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE);
	441	return(0);
	442	}
	443
84fa704c DSH	444	/* Setup cipher OID */
	445
	446	ec->cipher = cipher;
	447	return 1;
58964a49 RE	448	}
58964a49 RE	449