Compiles correctly: app/build-native + gradle.

1 files changed, 1248 insertions, 0 deletions

diff --git a/app/openssl/crypto/pkcs7/pk7_doit.c b/app/openssl/crypto/pkcs7/pk7_doit.c
new file mode 100644
index 00000000..3bf1a367
--- /dev/null
+++ b/app/openssl/crypto/pkcs7/pk7_doit.c
@@ -0,0 +1,1248 @@
+/* crypto/pkcs7/pk7_doit.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/rand.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/err.h>
+
+static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
+			 void *value);
+static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid);
+
+static int PKCS7_type_is_other(PKCS7* p7)
+	{
+	int isOther=1;
+	
+	int nid=OBJ_obj2nid(p7->type);
+
+	switch( nid )
+		{
+	case NID_pkcs7_data:
+	case NID_pkcs7_signed:
+	case NID_pkcs7_enveloped:
+	case NID_pkcs7_signedAndEnveloped:
+	case NID_pkcs7_digest:
+	case NID_pkcs7_encrypted:
+		isOther=0;
+		break;
+	default:
+		isOther=1;
+		}
+
+	return isOther;
+
+	}
+
+static ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7)
+	{
+	if ( PKCS7_type_is_data(p7))
+		return p7->d.data;
+	if ( PKCS7_type_is_other(p7) && p7->d.other
+		&& (p7->d.other->type == V_ASN1_OCTET_STRING))
+		return p7->d.other->value.octet_string;
+	return NULL;
+	}
+
+static int PKCS7_bio_add_digest(BIO **pbio, X509_ALGOR *alg)
+	{
+	BIO *btmp;
+	const EVP_MD *md;
+	if ((btmp=BIO_new(BIO_f_md())) == NULL)
+		{
+		PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,ERR_R_BIO_LIB);
+		goto err;
+		}
+
+	md=EVP_get_digestbyobj(alg->algorithm);
+	if (md == NULL)
+		{
+		PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,PKCS7_R_UNKNOWN_DIGEST_TYPE);
+		goto err;
+		}
+
+	BIO_set_md(btmp,md);
+	if (*pbio == NULL)
+		*pbio=btmp;
+	else if (!BIO_push(*pbio,btmp))
+		{
+		PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,ERR_R_BIO_LIB);
+		goto err;
+		}
+	btmp=NULL;
+
+	return 1;
+
+	err:
+	if (btmp)
+		BIO_free(btmp);
+	return 0;
+
+	}
+
+static int pkcs7_encode_rinfo(PKCS7_RECIP_INFO *ri,
+					unsigned char *key, int keylen)
+	{
+	EVP_PKEY_CTX *pctx = NULL;
+	EVP_PKEY *pkey = NULL;
+	unsigned char *ek = NULL;
+	int ret = 0;
+	size_t eklen;
+
+	pkey = X509_get_pubkey(ri->cert);
+
+	if (!pkey)
+		return 0;
+
+	pctx = EVP_PKEY_CTX_new(pkey, NULL);
+	if (!pctx)
+		return 0;
+
+	if (EVP_PKEY_encrypt_init(pctx) <= 0)
+		goto err;
+
+	if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_ENCRYPT,
+				EVP_PKEY_CTRL_PKCS7_ENCRYPT, 0, ri) <= 0)
+		{
+		PKCS7err(PKCS7_F_PKCS7_ENCODE_RINFO, PKCS7_R_CTRL_ERROR);
+		goto err;
+		}
+
+	if (EVP_PKEY_encrypt(pctx, NULL, &eklen, key, keylen) <= 0)
+		goto err;
+
+	ek = OPENSSL_malloc(eklen);
+
+	if (ek == NULL)
+		{
+		PKCS7err(PKCS7_F_PKCS7_ENCODE_RINFO, ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+
+	if (EVP_PKEY_encrypt(pctx, ek, &eklen, key, keylen) <= 0)
+		goto err;
+
+	ASN1_STRING_set0(ri->enc_key, ek, eklen);
+	ek = NULL;
+
+	ret = 1;
+
+	err:
+	if (pkey)
+		EVP_PKEY_free(pkey);
+	if (pctx)
+		EVP_PKEY_CTX_free(pctx);
+	if (ek)
+		OPENSSL_free(ek);
+	return ret;
+
+	}
+
+
+static int pkcs7_decrypt_rinfo(unsigned char **pek, int *peklen,
+			       PKCS7_RECIP_INFO *ri, EVP_PKEY *pkey)
+	{
+	EVP_PKEY_CTX *pctx = NULL;
+	unsigned char *ek = NULL;
+	size_t eklen;
+
+	int ret = 0;
+
+	pctx = EVP_PKEY_CTX_new(pkey, NULL);
+	if (!pctx)
+		return 0;
+
+	if (EVP_PKEY_decrypt_init(pctx) <= 0)
+		goto err;
+
+	if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DECRYPT,
+				EVP_PKEY_CTRL_PKCS7_DECRYPT, 0, ri) <= 0)
+		{
+		PKCS7err(PKCS7_F_PKCS7_DECRYPT_RINFO, PKCS7_R_CTRL_ERROR);
+		goto err;
+		}
+
+	if (EVP_PKEY_decrypt(pctx, NULL, &eklen,
+				ri->enc_key->data, ri->enc_key->length) <= 0)
+		goto err;
+
+	ek = OPENSSL_malloc(eklen);
+
+	if (ek == NULL)
+		{
+		PKCS7err(PKCS7_F_PKCS7_DECRYPT_RINFO, ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+
+	if (EVP_PKEY_decrypt(pctx, ek, &eklen,
+				ri->enc_key->data, ri->enc_key->length) <= 0)
+		{
+		PKCS7err(PKCS7_F_PKCS7_DECRYPT_RINFO, ERR_R_EVP_LIB);
+		goto err;
+		}
+
+	ret = 1;
+
+	*pek = ek;
+	*peklen = eklen;
+
+	err:
+	if (pctx)
+		EVP_PKEY_CTX_free(pctx);
+	if (!ret && ek)
+		OPENSSL_free(ek);
+
+	return ret;
+	}
+
+BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
+	{
+	int i;
+	BIO *out=NULL,*btmp=NULL;
+	X509_ALGOR *xa = NULL;
+	const EVP_CIPHER *evp_cipher=NULL;
+	STACK_OF(X509_ALGOR) *md_sk=NULL;
+	STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL;
+	X509_ALGOR *xalg=NULL;
+	PKCS7_RECIP_INFO *ri=NULL;
+	ASN1_OCTET_STRING *os=NULL;
+
+	i=OBJ_obj2nid(p7->type);
+	p7->state=PKCS7_S_HEADER;
+
+	switch (i)
+		{
+	case NID_pkcs7_signed:
+		md_sk=p7->d.sign->md_algs;
+		os = PKCS7_get_octet_string(p7->d.sign->contents);
+		break;
+	case NID_pkcs7_signedAndEnveloped:
+		rsk=p7->d.signed_and_enveloped->recipientinfo;
+		md_sk=p7->d.signed_and_enveloped->md_algs;
+		xalg=p7->d.signed_and_enveloped->enc_data->algorithm;
+		evp_cipher=p7->d.signed_and_enveloped->enc_data->cipher;
+		if (evp_cipher == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_DATAINIT,
+						PKCS7_R_CIPHER_NOT_INITIALIZED);
+			goto err;
+			}
+		break;
+	case NID_pkcs7_enveloped:
+		rsk=p7->d.enveloped->recipientinfo;
+		xalg=p7->d.enveloped->enc_data->algorithm;
+		evp_cipher=p7->d.enveloped->enc_data->cipher;
+		if (evp_cipher == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_DATAINIT,
+						PKCS7_R_CIPHER_NOT_INITIALIZED);
+			goto err;
+			}
+		break;
+	case NID_pkcs7_digest:
+		xa = p7->d.digest->md;
+		os = PKCS7_get_octet_string(p7->d.digest->contents);
+		break;
+	case NID_pkcs7_data:
+		break;
+	default:
+		PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+	        goto err;
+		}
+
+	for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
+		if (!PKCS7_bio_add_digest(&out, sk_X509_ALGOR_value(md_sk, i)))
+			goto err;
+
+	if (xa && !PKCS7_bio_add_digest(&out, xa))
+			goto err;
+
+	if (evp_cipher != NULL)
+		{
+		unsigned char key[EVP_MAX_KEY_LENGTH];
+		unsigned char iv[EVP_MAX_IV_LENGTH];
+		int keylen,ivlen;
+		EVP_CIPHER_CTX *ctx;
+
+		if ((btmp=BIO_new(BIO_f_cipher())) == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_BIO_LIB);
+			goto err;
+			}
+		BIO_get_cipher_ctx(btmp, &ctx);
+		keylen=EVP_CIPHER_key_length(evp_cipher);
+		ivlen=EVP_CIPHER_iv_length(evp_cipher);
+		xalg->algorithm = OBJ_nid2obj(EVP_CIPHER_type(evp_cipher));
+		if (ivlen > 0)
+			if (RAND_pseudo_bytes(iv,ivlen) <= 0)
+				goto err;
+		if (EVP_CipherInit_ex(ctx, evp_cipher, NULL, NULL, NULL, 1)<=0)
+			goto err;
+		if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
+			goto err;
+		if (EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, 1) <= 0)
+			goto err;
+
+		if (ivlen > 0) {
+			if (xalg->parameter == NULL) {
+				xalg->parameter = ASN1_TYPE_new();
+				if (xalg->parameter == NULL)
+					goto err;
+			}
+			if(EVP_CIPHER_param_to_asn1(ctx, xalg->parameter) < 0)
+				goto err;
+		}
+
+		/* Lets do the pub key stuff :-) */
+		for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++)
+			{
+			ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
+			if (pkcs7_encode_rinfo(ri, key, keylen) <= 0)
+				goto err;
+			}
+		OPENSSL_cleanse(key, keylen);
+
+		if (out == NULL)
+			out=btmp;
+		else
+			BIO_push(out,btmp);
+		btmp=NULL;
+		}
+
+	if (bio == NULL)
+		{
+		if (PKCS7_is_detached(p7))
+			bio=BIO_new(BIO_s_null());
+		else if (os && os->length > 0)
+			bio = BIO_new_mem_buf(os->data, os->length);
+		if(bio == NULL)
+			{
+			bio=BIO_new(BIO_s_mem());
+			if (bio == NULL)
+				goto err;
+			BIO_set_mem_eof_return(bio,0);
+			}
+		}
+	if (out)
+		BIO_push(out,bio);
+	else
+		out = bio;
+	bio=NULL;
+	if (0)
+		{
+err:
+		if (out != NULL)
+			BIO_free_all(out);
+		if (btmp != NULL)
+			BIO_free_all(btmp);
+		out=NULL;
+		}
+	return(out);
+	}
+
+static int pkcs7_cmp_ri(PKCS7_RECIP_INFO *ri, X509 *pcert)
+	{
+	int ret;
+	ret = X509_NAME_cmp(ri->issuer_and_serial->issuer,
+				pcert->cert_info->issuer);
+	if (ret)
+		return ret;
+	return M_ASN1_INTEGER_cmp(pcert->cert_info->serialNumber,
+					ri->issuer_and_serial->serial);
+	}
+
+/* int */
+BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
+	{
+	int i,j;
+	BIO *out=NULL,*btmp=NULL,*etmp=NULL,*bio=NULL;
+	X509_ALGOR *xa;
+	ASN1_OCTET_STRING *data_body=NULL;
+	const EVP_MD *evp_md;
+	const EVP_CIPHER *evp_cipher=NULL;
+	EVP_CIPHER_CTX *evp_ctx=NULL;
+	X509_ALGOR *enc_alg=NULL;
+	STACK_OF(X509_ALGOR) *md_sk=NULL;
+	STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL;
+	PKCS7_RECIP_INFO *ri=NULL;
+
+	i=OBJ_obj2nid(p7->type);
+	p7->state=PKCS7_S_HEADER;
+
+	switch (i)
+		{
+	case NID_pkcs7_signed:
+		data_body=PKCS7_get_octet_string(p7->d.sign->contents);
+		md_sk=p7->d.sign->md_algs;
+		break;
+	case NID_pkcs7_signedAndEnveloped:
+		rsk=p7->d.signed_and_enveloped->recipientinfo;
+		md_sk=p7->d.signed_and_enveloped->md_algs;
+		data_body=p7->d.signed_and_enveloped->enc_data->enc_data;
+		enc_alg=p7->d.signed_and_enveloped->enc_data->algorithm;
+		evp_cipher=EVP_get_cipherbyobj(enc_alg->algorithm);
+		if (evp_cipher == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+			goto err;
+			}
+		break;
+	case NID_pkcs7_enveloped:
+		rsk=p7->d.enveloped->recipientinfo;
+		enc_alg=p7->d.enveloped->enc_data->algorithm;
+		data_body=p7->d.enveloped->enc_data->enc_data;
+		evp_cipher=EVP_get_cipherbyobj(enc_alg->algorithm);
+		if (evp_cipher == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+			goto err;
+			}
+		break;
+	default:
+		PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+	        goto err;
+		}
+
+	/* We will be checking the signature */
+	if (md_sk != NULL)
+		{
+		for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
+			{
+			xa=sk_X509_ALGOR_value(md_sk,i);
+			if ((btmp=BIO_new(BIO_f_md())) == NULL)
+				{
+				PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_BIO_LIB);
+				goto err;
+				}
+
+			j=OBJ_obj2nid(xa->algorithm);
+			evp_md=EVP_get_digestbynid(j);
+			if (evp_md == NULL)
+				{
+				PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNKNOWN_DIGEST_TYPE);
+				goto err;
+				}
+
+			BIO_set_md(btmp,evp_md);
+			if (out == NULL)
+				out=btmp;
+			else
+				BIO_push(out,btmp);
+			btmp=NULL;
+			}
+		}
+
+	if (evp_cipher != NULL)
+		{
+#if 0
+		unsigned char key[EVP_MAX_KEY_LENGTH];
+		unsigned char iv[EVP_MAX_IV_LENGTH];
+		unsigned char *p;
+		int keylen,ivlen;
+		int max;
+		X509_OBJECT ret;
+#endif
+		unsigned char *ek = NULL;
+		int eklen;
+
+		if ((etmp=BIO_new(BIO_f_cipher())) == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_BIO_LIB);
+			goto err;
+			}
+
+		/* It was encrypted, we need to decrypt the secret key
+		 * with the private key */
+
+		/* Find the recipientInfo which matches the passed certificate
+		 * (if any)
+		 */
+
+		if (pcert)
+			{
+			for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++)
+				{
+				ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
+				if (!pkcs7_cmp_ri(ri, pcert))
+					break;
+				ri=NULL;
+				}
+			if (ri == NULL)
+				{
+				PKCS7err(PKCS7_F_PKCS7_DATADECODE,
+				      PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE);
+				goto err;
+				}
+			}
+
+		/* If we haven't got a certificate try each ri in turn */
+
+		if (pcert == NULL)
+			{
+			for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++)
+				{
+				ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
+				if (pkcs7_decrypt_rinfo(&ek, &eklen,
+							ri, pkey) > 0)
+					break;
+				ERR_clear_error();
+				ri = NULL;
+				}
+			if (ri == NULL)
+				{
+				PKCS7err(PKCS7_F_PKCS7_DATADECODE,
+				      PKCS7_R_NO_RECIPIENT_MATCHES_KEY);
+				goto err;
+				}
+			}
+		else
+			{
+			if (pkcs7_decrypt_rinfo(&ek, &eklen, ri, pkey) <= 0)
+				goto err;
+			}
+
+		evp_ctx=NULL;
+		BIO_get_cipher_ctx(etmp,&evp_ctx);
+		if (EVP_CipherInit_ex(evp_ctx,evp_cipher,NULL,NULL,NULL,0) <= 0)
+			goto err;
+		if (EVP_CIPHER_asn1_to_param(evp_ctx,enc_alg->parameter) < 0)
+			goto err;
+
+		if (eklen != EVP_CIPHER_CTX_key_length(evp_ctx)) {
+			/* Some S/MIME clients don't use the same key
+			 * and effective key length. The key length is
+			 * determined by the size of the decrypted RSA key.
+			 */
+			if(!EVP_CIPHER_CTX_set_key_length(evp_ctx, eklen))
+				{
+				PKCS7err(PKCS7_F_PKCS7_DATADECODE,
+					PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH);
+				goto err;
+				}
+		} 
+		if (EVP_CipherInit_ex(evp_ctx,NULL,NULL,ek,NULL,0) <= 0)
+			goto err;
+
+		if (ek)
+			{
+			OPENSSL_cleanse(ek,eklen);
+			OPENSSL_free(ek);
+			}
+
+		if (out == NULL)
+			out=etmp;
+		else
+			BIO_push(out,etmp);
+		etmp=NULL;
+		}
+
+#if 1
+	if (PKCS7_is_detached(p7) || (in_bio != NULL))
+		{
+		bio=in_bio;
+		}
+	else 
+		{
+#if 0
+		bio=BIO_new(BIO_s_mem());
+		/* We need to set this so that when we have read all
+		 * the data, the encrypt BIO, if present, will read
+		 * EOF and encode the last few bytes */
+		BIO_set_mem_eof_return(bio,0);
+
+		if (data_body->length > 0)
+			BIO_write(bio,(char *)data_body->data,data_body->length);
+#else
+		if (data_body->length > 0)
+		      bio = BIO_new_mem_buf(data_body->data,data_body->length);
+		else {
+			bio=BIO_new(BIO_s_mem());
+			BIO_set_mem_eof_return(bio,0);
+		}
+		if (bio == NULL)
+			goto err;
+#endif
+		}
+	BIO_push(out,bio);
+	bio=NULL;
+#endif
+	if (0)
+		{
+err:
+		if (out != NULL) BIO_free_all(out);
+		if (btmp != NULL) BIO_free_all(btmp);
+		if (etmp != NULL) BIO_free_all(etmp);
+		if (bio != NULL) BIO_free_all(bio);
+		out=NULL;
+		}
+	return(out);
+	}
+
+static BIO *PKCS7_find_digest(EVP_MD_CTX **pmd, BIO *bio, int nid)
+	{
+	for (;;)
+		{
+		bio=BIO_find_type(bio,BIO_TYPE_MD);
+		if (bio == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+			return NULL;	
+			}
+		BIO_get_md_ctx(bio,pmd);
+		if (*pmd == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST,ERR_R_INTERNAL_ERROR);
+			return NULL;
+			}	
+		if (EVP_MD_CTX_type(*pmd) == nid)
+			return bio;
+		bio=BIO_next(bio);
+		}
+	return NULL;
+	}
+
+static int do_pkcs7_signed_attrib(PKCS7_SIGNER_INFO *si, EVP_MD_CTX *mctx)
+	{
+	unsigned char md_data[EVP_MAX_MD_SIZE];
+	unsigned int md_len;
+
+	/* Add signing time if not already present */
+	if (!PKCS7_get_signed_attribute(si, NID_pkcs9_signingTime))
+		{
+		if (!PKCS7_add0_attrib_signing_time(si, NULL))
+			{
+			PKCS7err(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB,
+					ERR_R_MALLOC_FAILURE);
+			return 0;
+			}
+		}
+
+	/* Add digest */
+	EVP_DigestFinal_ex(mctx, md_data,&md_len);
+	if (!PKCS7_add1_attrib_digest(si, md_data, md_len))
+		{
+		PKCS7err(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB, ERR_R_MALLOC_FAILURE);
+		return 0;
+		}
+
+	/* Now sign the attributes */
+	if (!PKCS7_SIGNER_INFO_sign(si))
+			return 0;
+
+	return 1;
+	}
+	
+				
+int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
+	{
+	int ret=0;
+	int i,j;
+	BIO *btmp;
+	PKCS7_SIGNER_INFO *si;
+	EVP_MD_CTX *mdc,ctx_tmp;
+	STACK_OF(X509_ATTRIBUTE) *sk;
+	STACK_OF(PKCS7_SIGNER_INFO) *si_sk=NULL;
+	ASN1_OCTET_STRING *os=NULL;
+
+	EVP_MD_CTX_init(&ctx_tmp);
+	i=OBJ_obj2nid(p7->type);
+	p7->state=PKCS7_S_HEADER;
+
+	switch (i)
+		{
+	case NID_pkcs7_data:
+		os = p7->d.data;
+		break;
+	case NID_pkcs7_signedAndEnveloped:
+		/* XXXXXXXXXXXXXXXX */
+		si_sk=p7->d.signed_and_enveloped->signer_info;
+		os = p7->d.signed_and_enveloped->enc_data->enc_data;
+		if (!os)
+			{
+			os=M_ASN1_OCTET_STRING_new();
+			if (!os)
+				{
+				PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_MALLOC_FAILURE);
+				goto err;
+				}
+			p7->d.signed_and_enveloped->enc_data->enc_data=os;
+			}
+		break;
+	case NID_pkcs7_enveloped:
+		/* XXXXXXXXXXXXXXXX */
+		os = p7->d.enveloped->enc_data->enc_data;
+		if (!os)
+			{
+			os=M_ASN1_OCTET_STRING_new();
+			if (!os)
+				{
+				PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_MALLOC_FAILURE);
+				goto err;
+				}
+			p7->d.enveloped->enc_data->enc_data=os;
+			}
+		break;
+	case NID_pkcs7_signed:
+		si_sk=p7->d.sign->signer_info;
+		os=PKCS7_get_octet_string(p7->d.sign->contents);
+		/* If detached data then the content is excluded */
+		if(PKCS7_type_is_data(p7->d.sign->contents) && p7->detached) {
+			M_ASN1_OCTET_STRING_free(os);
+			p7->d.sign->contents->d.data = NULL;
+		}
+		break;
+
+	case NID_pkcs7_digest:
+		os=PKCS7_get_octet_string(p7->d.digest->contents);
+		/* If detached data then the content is excluded */
+		if(PKCS7_type_is_data(p7->d.digest->contents) && p7->detached)
+			{
+			M_ASN1_OCTET_STRING_free(os);
+			p7->d.digest->contents->d.data = NULL;
+			}
+		break;
+
+	default:
+		PKCS7err(PKCS7_F_PKCS7_DATAFINAL,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+	        goto err;
+		}
+
+	if (si_sk != NULL)
+		{
+		for (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++)
+			{
+			si=sk_PKCS7_SIGNER_INFO_value(si_sk,i);
+			if (si->pkey == NULL)
+				continue;
+
+			j = OBJ_obj2nid(si->digest_alg->algorithm);
+
+			btmp=bio;
+
+			btmp = PKCS7_find_digest(&mdc, btmp, j);
+
+			if (btmp == NULL)
+				goto err;
+
+			/* We now have the EVP_MD_CTX, lets do the
+			 * signing. */
+			EVP_MD_CTX_copy_ex(&ctx_tmp,mdc);
+
+			sk=si->auth_attr;
+
+			/* If there are attributes, we add the digest
+			 * attribute and only sign the attributes */
+			if (sk_X509_ATTRIBUTE_num(sk) > 0)
+				{
+				if (!do_pkcs7_signed_attrib(si, &ctx_tmp))
+					goto err;
+				}
+			else
+				{
+				unsigned char *abuf = NULL;
+				unsigned int abuflen;
+				abuflen = EVP_PKEY_size(si->pkey);
+				abuf = OPENSSL_malloc(abuflen);
+				if (!abuf)
+					goto err;
+
+				if (!EVP_SignFinal(&ctx_tmp, abuf, &abuflen,
+							si->pkey))
+					{
+					PKCS7err(PKCS7_F_PKCS7_DATAFINAL,
+							ERR_R_EVP_LIB);
+					goto err;
+					}
+				ASN1_STRING_set0(si->enc_digest, abuf, abuflen);
+				}
+			}
+		}
+	else if (i == NID_pkcs7_digest)
+		{
+		unsigned char md_data[EVP_MAX_MD_SIZE];
+		unsigned int md_len;
+		if (!PKCS7_find_digest(&mdc, bio,
+				OBJ_obj2nid(p7->d.digest->md->algorithm)))
+			goto err;
+		EVP_DigestFinal_ex(mdc,md_data,&md_len);
+		M_ASN1_OCTET_STRING_set(p7->d.digest->digest, md_data, md_len);
+		}
+
+	if (!PKCS7_is_detached(p7) && !(os->flags & ASN1_STRING_FLAG_NDEF))
+		{
+		char *cont;
+		long contlen;
+		btmp=BIO_find_type(bio,BIO_TYPE_MEM);
+		if (btmp == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_DATAFINAL,PKCS7_R_UNABLE_TO_FIND_MEM_BIO);
+			goto err;
+			}
+		contlen = BIO_get_mem_data(btmp, &cont);
+		/* Mark the BIO read only then we can use its copy of the data
+		 * instead of making an extra copy.
+		 */
+		BIO_set_flags(btmp, BIO_FLAGS_MEM_RDONLY);
+		BIO_set_mem_eof_return(btmp, 0);
+		ASN1_STRING_set0(os, (unsigned char *)cont, contlen);
+		}
+	ret=1;
+err:
+	EVP_MD_CTX_cleanup(&ctx_tmp);
+	return(ret);
+	}
+
+int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si)
+	{
+	EVP_MD_CTX mctx;
+	EVP_PKEY_CTX *pctx;
+	unsigned char *abuf = NULL;
+	int alen;
+	size_t siglen;
+	const EVP_MD *md = NULL;
+
+	md = EVP_get_digestbyobj(si->digest_alg->algorithm);
+	if (md == NULL)
+		return 0;
+
+	EVP_MD_CTX_init(&mctx);
+	if (EVP_DigestSignInit(&mctx, &pctx, md,NULL, si->pkey) <= 0)
+		goto err;
+
+	if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
+				EVP_PKEY_CTRL_PKCS7_SIGN, 0, si) <= 0)
+		{
+		PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SIGN, PKCS7_R_CTRL_ERROR);
+		goto err;
+		}
+
+	alen = ASN1_item_i2d((ASN1_VALUE *)si->auth_attr,&abuf,
+				ASN1_ITEM_rptr(PKCS7_ATTR_SIGN));
+	if(!abuf)
+		goto err;
+	if (EVP_DigestSignUpdate(&mctx,abuf,alen) <= 0)
+		goto err;
+	OPENSSL_free(abuf);
+	if (EVP_DigestSignFinal(&mctx, NULL, &siglen) <= 0)
+		goto err;
+	abuf = OPENSSL_malloc(siglen);
+	if(!abuf)
+		goto err;
+	if (EVP_DigestSignFinal(&mctx, abuf, &siglen) <= 0)
+		goto err;
+
+	if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
+				EVP_PKEY_CTRL_PKCS7_SIGN, 1, si) <= 0)
+		{
+		PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SIGN, PKCS7_R_CTRL_ERROR);
+		goto err;
+		}
+
+	EVP_MD_CTX_cleanup(&mctx);
+
+	ASN1_STRING_set0(si->enc_digest, abuf, siglen);
+
+	return 1;
+
+	err:
+	if (abuf)
+		OPENSSL_free(abuf);
+	EVP_MD_CTX_cleanup(&mctx);
+	return 0;
+
+	}
+
+int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio,
+	     PKCS7 *p7, PKCS7_SIGNER_INFO *si)
+	{
+	PKCS7_ISSUER_AND_SERIAL *ias;
+	int ret=0,i;
+	STACK_OF(X509) *cert;
+	X509 *x509;
+
+	if (PKCS7_type_is_signed(p7))
+		{
+		cert=p7->d.sign->cert;
+		}
+	else if (PKCS7_type_is_signedAndEnveloped(p7))
+		{
+		cert=p7->d.signed_and_enveloped->cert;
+		}
+	else
+		{
+		PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_WRONG_PKCS7_TYPE);
+		goto err;
+		}
+	/* XXXXXXXXXXXXXXXXXXXXXXX */
+	ias=si->issuer_and_serial;
+
+	x509=X509_find_by_issuer_and_serial(cert,ias->issuer,ias->serial);
+
+	/* were we able to find the cert in passed to us */
+	if (x509 == NULL)
+		{
+		PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_UNABLE_TO_FIND_CERTIFICATE);
+		goto err;
+		}
+
+	/* Lets verify */
+	if(!X509_STORE_CTX_init(ctx,cert_store,x509,cert))
+		{
+		PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,ERR_R_X509_LIB);
+		goto err;
+		}
+	X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_SMIME_SIGN);
+	i=X509_verify_cert(ctx);
+	if (i <= 0) 
+		{
+		PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,ERR_R_X509_LIB);
+		X509_STORE_CTX_cleanup(ctx);
+		goto err;
+		}
+	X509_STORE_CTX_cleanup(ctx);
+
+	return PKCS7_signatureVerify(bio, p7, si, x509);
+	err:
+	return ret;
+	}
+
+int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
+								X509 *x509)
+	{
+	ASN1_OCTET_STRING *os;
+	EVP_MD_CTX mdc_tmp,*mdc;
+	int ret=0,i;
+	int md_type;
+	STACK_OF(X509_ATTRIBUTE) *sk;
+	BIO *btmp;
+	EVP_PKEY *pkey;
+
+	EVP_MD_CTX_init(&mdc_tmp);
+
+	if (!PKCS7_type_is_signed(p7) && 
+				!PKCS7_type_is_signedAndEnveloped(p7)) {
+		PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+						PKCS7_R_WRONG_PKCS7_TYPE);
+		goto err;
+	}
+
+	md_type=OBJ_obj2nid(si->digest_alg->algorithm);
+
+	btmp=bio;
+	for (;;)
+		{
+		if ((btmp == NULL) ||
+			((btmp=BIO_find_type(btmp,BIO_TYPE_MD)) == NULL))
+			{
+			PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+					PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+			goto err;
+			}
+		BIO_get_md_ctx(btmp,&mdc);
+		if (mdc == NULL)
+			{
+			PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+							ERR_R_INTERNAL_ERROR);
+			goto err;
+			}
+		if (EVP_MD_CTX_type(mdc) == md_type)
+			break;
+		/* Workaround for some broken clients that put the signature
+		 * OID instead of the digest OID in digest_alg->algorithm
+		 */
+		if (EVP_MD_pkey_type(EVP_MD_CTX_md(mdc)) == md_type)
+			break;
+		btmp=BIO_next(btmp);
+		}
+
+	/* mdc is the digest ctx that we want, unless there are attributes,
+	 * in which case the digest is the signed attributes */
+	EVP_MD_CTX_copy_ex(&mdc_tmp,mdc);
+
+	sk=si->auth_attr;
+	if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))
+		{
+		unsigned char md_dat[EVP_MAX_MD_SIZE], *abuf = NULL;
+                unsigned int md_len;
+		int alen;
+		ASN1_OCTET_STRING *message_digest;
+
+		EVP_DigestFinal_ex(&mdc_tmp,md_dat,&md_len);
+		message_digest=PKCS7_digest_from_attributes(sk);
+		if (!message_digest)
+			{
+			PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+					PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+			goto err;
+			}
+		if ((message_digest->length != (int)md_len) ||
+			(memcmp(message_digest->data,md_dat,md_len)))
+			{
+#if 0
+{
+int ii;
+for (ii=0; ii<message_digest->length; ii++)
+	printf("%02X",message_digest->data[ii]); printf(" sent\n");
+for (ii=0; ii<md_len; ii++) printf("%02X",md_dat[ii]); printf(" calc\n");
+}
+#endif
+			PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+							PKCS7_R_DIGEST_FAILURE);
+			ret= -1;
+			goto err;
+			}
+
+		EVP_VerifyInit_ex(&mdc_tmp,EVP_get_digestbynid(md_type), NULL);
+
+		alen = ASN1_item_i2d((ASN1_VALUE *)sk, &abuf,
+						ASN1_ITEM_rptr(PKCS7_ATTR_VERIFY));
+		if (alen <= 0) 
+			{
+			PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,ERR_R_ASN1_LIB);
+			ret = -1;
+			goto err;
+			}
+		EVP_VerifyUpdate(&mdc_tmp, abuf, alen);
+
+		OPENSSL_free(abuf);
+		}
+
+	os=si->enc_digest;
+	pkey = X509_get_pubkey(x509);
+	if (!pkey)
+		{
+		ret = -1;
+		goto err;
+		}
+
+	i=EVP_VerifyFinal(&mdc_tmp,os->data,os->length, pkey);
+	EVP_PKEY_free(pkey);
+	if (i <= 0)
+		{
+		PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+						PKCS7_R_SIGNATURE_FAILURE);
+		ret= -1;
+		goto err;
+		}
+	else
+		ret=1;
+err:
+	EVP_MD_CTX_cleanup(&mdc_tmp);
+	return(ret);
+	}
+
+PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)
+	{
+	STACK_OF(PKCS7_RECIP_INFO) *rsk;
+	PKCS7_RECIP_INFO *ri;
+	int i;
+
+	i=OBJ_obj2nid(p7->type);
+	if (i != NID_pkcs7_signedAndEnveloped)
+		return NULL;
+	if (p7->d.signed_and_enveloped == NULL)
+		return NULL;
+	rsk=p7->d.signed_and_enveloped->recipientinfo;
+	if (rsk == NULL)
+		return NULL;
+	ri=sk_PKCS7_RECIP_INFO_value(rsk,0);
+	if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx) return(NULL);
+	ri=sk_PKCS7_RECIP_INFO_value(rsk,idx);
+	return(ri->issuer_and_serial);
+	}
+
+ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid)
+	{
+	return(get_attribute(si->auth_attr,nid));
+	}
+
+ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid)
+	{
+	return(get_attribute(si->unauth_attr,nid));
+	}
+
+static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid)
+	{
+	int i;
+	X509_ATTRIBUTE *xa;
+	ASN1_OBJECT *o;
+
+	o=OBJ_nid2obj(nid);
+	if (!o || !sk) return(NULL);
+	for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
+		{
+		xa=sk_X509_ATTRIBUTE_value(sk,i);
+		if (OBJ_cmp(xa->object,o) == 0)
+			{
+			if (!xa->single && sk_ASN1_TYPE_num(xa->value.set))
+				return(sk_ASN1_TYPE_value(xa->value.set,0));
+			else
+				return(NULL);
+			}
+		}
+	return(NULL);
+	}
+
+ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk)
+{
+	ASN1_TYPE *astype;
+	if(!(astype = get_attribute(sk, NID_pkcs9_messageDigest))) return NULL;
+	return astype->value.octet_string;
+}
+
+int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
+				STACK_OF(X509_ATTRIBUTE) *sk)
+	{
+	int i;
+
+	if (p7si->auth_attr != NULL)
+		sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free);
+	p7si->auth_attr=sk_X509_ATTRIBUTE_dup(sk);
+	if (p7si->auth_attr == NULL)
+		return 0;
+	for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
+		{
+		if ((sk_X509_ATTRIBUTE_set(p7si->auth_attr,i,
+			X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i))))
+		    == NULL)
+			return(0);
+		}
+	return(1);
+	}
+
+int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK_OF(X509_ATTRIBUTE) *sk)
+	{
+	int i;
+
+	if (p7si->unauth_attr != NULL)
+		sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr,
+					   X509_ATTRIBUTE_free);
+	p7si->unauth_attr=sk_X509_ATTRIBUTE_dup(sk);
+	if (p7si->unauth_attr == NULL)
+		return 0;
+	for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
+		{
+		if ((sk_X509_ATTRIBUTE_set(p7si->unauth_attr,i,
+                        X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i))))
+		    == NULL)
+			return(0);
+		}
+	return(1);
+	}
+
+int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
+	     void *value)
+	{
+	return(add_attribute(&(p7si->auth_attr),nid,atrtype,value));
+	}
+
+int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
+	     void *value)
+	{
+	return(add_attribute(&(p7si->unauth_attr),nid,atrtype,value));
+	}
+
+static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
+			 void *value)
+	{
+	X509_ATTRIBUTE *attr=NULL;
+
+	if (*sk == NULL)
+		{
+		*sk = sk_X509_ATTRIBUTE_new_null();
+		if (*sk == NULL)
+			return 0;	
+new_attrib:
+		if (!(attr=X509_ATTRIBUTE_create(nid,atrtype,value)))
+			return 0;
+		if (!sk_X509_ATTRIBUTE_push(*sk,attr))
+			{
+			X509_ATTRIBUTE_free(attr);
+			return 0;
+			}
+		}
+	else
+		{
+		int i;
+
+		for (i=0; i<sk_X509_ATTRIBUTE_num(*sk); i++)
+			{
+			attr=sk_X509_ATTRIBUTE_value(*sk,i);
+			if (OBJ_obj2nid(attr->object) == nid)
+				{
+				X509_ATTRIBUTE_free(attr);
+				attr=X509_ATTRIBUTE_create(nid,atrtype,value);
+				if (attr == NULL)
+					return 0;
+				if (!sk_X509_ATTRIBUTE_set(*sk,i,attr))
+					{
+					X509_ATTRIBUTE_free(attr);
+					return 0;
+					}
+				goto end;
+				}
+			}
+		goto new_attrib;
+		}
+end:
+	return(1);
+	}
+