Revert the size_t modifications from HEAD that had led to more
[openssl.git] / crypto / dsa / dsa_ameth.c
index 954cd514bf33e6c52ce520c3436d05294c581723..a588740cd80c327ed652bc9e27d3748f456560cc 100644 (file)
@@ -1,4 +1,4 @@
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
 /* ====================================================================
 #include <openssl/x509.h>
 #include <openssl/asn1.h>
 #include <openssl/dsa.h>
+#include <openssl/bn.h>
+#ifndef OPENSSL_NO_CMS
+#include <openssl/cms.h>
+#endif
 #include "asn1_locl.h"
 
 static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
@@ -123,7 +127,7 @@ static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
        return 1;
 
        err:
-       if (pubkey)
+       if (public_key)
                ASN1_INTEGER_free(public_key);
        if (dsa)
                DSA_free(dsa);
@@ -205,9 +209,7 @@ static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
        if (*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED))
                {
                ASN1_TYPE *t1, *t2;
-               if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pklen, 
-                                                         d2i_ASN1_TYPE,
-                                                         ASN1_TYPE_free)))
+               if(!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen)));
                        goto decerr;
                if (sk_ASN1_TYPE_num(ndsa) != 2)
                        goto decerr;
@@ -397,8 +399,6 @@ static int dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
 
 static int dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
        {
-       if (dsa_cmp_parameters(a, b) == 0)
-               return 0;
        if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0)
                return 0;
        else
@@ -419,7 +419,7 @@ static void update_buflen(const BIGNUM *b, size_t *pbuflen)
                        *pbuflen = i;
        }
 
-int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype)
+static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype)
        {
        unsigned char *m=NULL;
        int ret=0;
@@ -445,14 +445,6 @@ int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype)
        else
                ktype = "DSA-Parameters";
 
-#if 0
-       if (x->p == NULL)
-               {
-               DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
-               goto err;
-               }
-#endif
-
        update_buflen(x->p, &buf_len);
        update_buflen(x->q, &buf_len);
        update_buflen(x->g, &buf_len);
@@ -462,7 +454,7 @@ int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype)
        m=(unsigned char *)OPENSSL_malloc(buf_len+10);
        if (m == NULL)
                {
-               DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
+               DSAerr(DSA_F_DO_DSA_PRINT,ERR_R_MALLOC_FAILURE);
                goto err;
                }
 
@@ -530,7 +522,7 @@ static int old_dsa_priv_decode(EVP_PKEY *pkey,
        DSA *dsa;
        if (!(dsa = d2i_DSAPrivateKey (NULL, pder, derlen)))
                {
-               DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_DSA_LIB);
+               DSAerr(DSA_F_OLD_DSA_PRIV_DECODE, ERR_R_DSA_LIB);
                return 0;
                }
        EVP_PKEY_assign_DSA(pkey, dsa);
@@ -549,14 +541,37 @@ static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
                case ASN1_PKEY_CTRL_PKCS7_SIGN:
                if (arg1 == 0)
                        {
+                       int snid, hnid;
                        X509_ALGOR *alg1, *alg2;
                        PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2);
-                       X509_ALGOR_set0(alg1, OBJ_nid2obj(NID_sha1),
-                                                       V_ASN1_NULL, 0);
-                       X509_ALGOR_set0(alg2, OBJ_nid2obj(NID_dsaWithSHA1),
-                                                       V_ASN1_UNDEF, 0);
+                       if (alg1 == NULL || alg1->algorithm == NULL)
+                               return -1;
+                       hnid = OBJ_obj2nid(alg1->algorithm);
+                       if (hnid == NID_undef)
+                               return -1;
+                       if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey)))
+                               return -1; 
+                       X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
                        }
                return 1;
+#ifndef OPENSSL_NO_CMS
+               case ASN1_PKEY_CTRL_CMS_SIGN:
+               if (arg1 == 0)
+                       {
+                       int snid, hnid;
+                       X509_ALGOR *alg1, *alg2;
+                       CMS_SignerInfo_get0_algs(arg2, NULL, NULL, &alg1, &alg2);
+                       if (alg1 == NULL || alg1->algorithm == NULL)
+                               return -1;
+                       hnid = OBJ_obj2nid(alg1->algorithm);
+                       if (hnid == NID_undef)
+                               return -1;
+                       if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey)))
+                               return -1; 
+                       X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
+                       }
+               return 1;
+#endif
 
                case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
                *(int *)arg2 = NID_sha1;