Various S/MIME fixes. Fix for memory leak, recipient list bug

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

diff --git a/crypto/pkcs7/pk7_lib.c b/crypto/pkcs7/pk7_lib.c
index a13be9ae3a82a73ed34d40a1d6aae46e6b8f09ff..889fb9b3553ba192c1b6af1995f2b4ba910accec 100644 (file)
--- a/crypto/pkcs7/pk7_lib.c
+++ b/crypto/pkcs7/pk7_lib.c
@@ -297,6 +297,9 @@ int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl)
 int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
             EVP_MD *dgst)
        {
+       char is_dsa;
+       if (pkey->type == EVP_PKEY_DSA) is_dsa = 1;
+       else is_dsa = 0;
        /* We now need to add another PKCS7_SIGNER_INFO entry */
        ASN1_INTEGER_set(p7i->version,1);
        X509_NAME_set(&p7i->issuer_and_serial->issuer,
@@ -313,8 +316,7 @@ int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
        p7i->pkey=pkey;
 
        /* Set the algorithms */
-       if (pkey->type == EVP_PKEY_DSA)
-               p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1);
+       if (is_dsa) p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1);
        else    
                p7i->digest_alg->algorithm=OBJ_nid2obj(EVP_MD_type(dgst));
 
@@ -328,9 +330,12 @@ int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
 
        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;
+       if(is_dsa) p7i->digest_enc_alg->parameter = NULL;
+       else {
+               if (!(p7i->digest_enc_alg->parameter=ASN1_TYPE_new()))
+                       goto err;
+               p7i->digest_enc_alg->parameter->type=V_ASN1_NULL;
+       }
 
        return(1);
 err: