free NULL cleanup.

This gets EC_GROUP_clear_free EC_GROUP_free, EC_KEY_free,
EC_POINT_clear_free, EC_POINT_free

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
This commit is contained in:
Rich Salz 2015-03-25 18:35:24 -04:00
parent 17dd65e6e1
commit 8fdc3734c0
30 changed files with 103 additions and 186 deletions

View File

@ -345,8 +345,7 @@ int MAIN(int argc, char **argv)
end:
BIO_free(in);
BIO_free_all(out);
if (eckey)
EC_KEY_free(eckey);
EC_KEY_free(eckey);
if (passin)
OPENSSL_free(passin);
if (passout)

View File

@ -623,8 +623,7 @@ int MAIN(int argc, char **argv)
OPENSSL_free(buffer);
BIO_free(in);
BIO_free_all(out);
if (group != NULL)
EC_GROUP_free(group);
EC_GROUP_free(group);
apps_shutdown();
OPENSSL_EXIT(ret);
}

View File

@ -2457,13 +2457,10 @@ int MAIN(int argc, char **argv)
#ifndef OPENSSL_NO_EC
for (i = 0; i < EC_NUM; i++)
if (ecdsa[i] != NULL)
EC_KEY_free(ecdsa[i]);
EC_KEY_free(ecdsa[i]);
for (i = 0; i < EC_NUM; i++) {
if (ecdh_a[i] != NULL)
EC_KEY_free(ecdh_a[i]);
if (ecdh_b[i] != NULL)
EC_KEY_free(ecdh_b[i]);
EC_KEY_free(ecdh_a[i]);
EC_KEY_free(ecdh_b[i]);
}
#endif

View File

@ -437,10 +437,8 @@ int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r,
ret = 1;
err:
if (p)
EC_POINT_free(p);
if (acc)
EC_POINT_free(acc);
EC_POINT_free(p);
EC_POINT_free(acc);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
return ret;

View File

@ -176,8 +176,7 @@ static EC_KEY *eckey_type2param(int ptype, void *pval)
return eckey;
ecerr:
if (eckey)
EC_KEY_free(eckey);
EC_KEY_free(eckey);
return NULL;
}
@ -210,8 +209,7 @@ static int eckey_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
return 1;
ecerr:
if (eckey)
EC_KEY_free(eckey);
EC_KEY_free(eckey);
return 0;
}
@ -292,8 +290,7 @@ static int eckey_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
ecliberr:
ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
ecerr:
if (eckey)
EC_KEY_free(eckey);
EC_KEY_free(eckey);
return 0;
}
@ -706,8 +703,7 @@ static int ecdh_cms_set_peerkey(EVP_PKEY_CTX *pctx,
if (EVP_PKEY_derive_set_peer(pctx, pkpeer) > 0)
rv = 1;
err:
if (ecpeer)
EC_KEY_free(ecpeer);
EC_KEY_free(ecpeer);
if (pkpeer)
EVP_PKEY_free(pkpeer);
return rv;

View File

@ -910,9 +910,9 @@ static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params)
ok = 1;
err:if (!ok) {
if (ret)
EC_GROUP_clear_free(ret);
err:
if (!ok) {
EC_GROUP_clear_free(ret);
ret = NULL;
}
@ -922,8 +922,7 @@ static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params)
BN_free(a);
if (b)
BN_free(b);
if (point)
EC_POINT_free(point);
EC_POINT_free(point);
return (ret);
}
@ -982,10 +981,10 @@ EC_GROUP *d2i_ECPKParameters(EC_GROUP **a, const unsigned char **in, long len)
return NULL;
}
if (a && *a)
if (a) {
EC_GROUP_clear_free(*a);
if (a)
*a = group;
}
ECPKPARAMETERS_free(params);
return (group);
@ -1030,8 +1029,7 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len)
ret = *a;
if (priv_key->parameters) {
if (ret->group)
EC_GROUP_clear_free(ret->group);
EC_GROUP_clear_free(ret->group);
ret->group = ec_asn1_pkparameters2group(priv_key->parameters);
}
@ -1055,8 +1053,7 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len)
goto err;
}
if (ret->pub_key)
EC_POINT_clear_free(ret->pub_key);
EC_POINT_clear_free(ret->pub_key);
ret->pub_key = EC_POINT_new(ret->group);
if (ret->pub_key == NULL) {
ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB);
@ -1098,7 +1095,7 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len)
ok = 1;
err:
if (!ok) {
if (ret && (a == NULL || *a != ret))
if (a == NULL || *a != ret)
EC_KEY_free(ret);
ret = NULL;
}

View File

@ -114,7 +114,6 @@ int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx)
BN_CTX_end(ctx);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (point)
EC_POINT_free(point);
EC_POINT_free(point);
return ret;
}

View File

@ -3114,8 +3114,7 @@ static EC_GROUP *ec_group_new_from_data(const ec_list_element curve)
EC_GROUP_free(group);
group = NULL;
}
if (P)
EC_POINT_free(P);
EC_POINT_free(P);
if (ctx)
BN_CTX_free(ctx);
if (p)

View File

@ -120,10 +120,8 @@ void EC_KEY_free(EC_KEY *r)
}
#endif
if (r->group != NULL)
EC_GROUP_free(r->group);
if (r->pub_key != NULL)
EC_POINT_free(r->pub_key);
EC_GROUP_free(r->group);
EC_POINT_free(r->pub_key);
if (r->priv_key != NULL)
BN_clear_free(r->priv_key);
@ -146,8 +144,7 @@ EC_KEY *EC_KEY_copy(EC_KEY *dest, const EC_KEY *src)
if (src->group) {
const EC_METHOD *meth = EC_GROUP_method_of(src->group);
/* clear the old group */
if (dest->group)
EC_GROUP_free(dest->group);
EC_GROUP_free(dest->group);
dest->group = EC_GROUP_new(meth);
if (dest->group == NULL)
return NULL;
@ -156,8 +153,7 @@ EC_KEY *EC_KEY_copy(EC_KEY *dest, const EC_KEY *src)
}
/* copy the public key */
if (src->pub_key && src->group) {
if (dest->pub_key)
EC_POINT_free(dest->pub_key);
EC_POINT_free(dest->pub_key);
dest->pub_key = EC_POINT_new(src->group);
if (dest->pub_key == NULL)
return NULL;
@ -274,7 +270,7 @@ int EC_KEY_generate_key(EC_KEY *eckey)
err:
if (order)
BN_free(order);
if (pub_key != NULL && eckey->pub_key == NULL)
if (eckey->pub_key == NULL)
EC_POINT_free(pub_key);
if (priv_key != NULL && eckey->priv_key == NULL)
BN_free(priv_key);
@ -347,8 +343,7 @@ int EC_KEY_check_key(const EC_KEY *eckey)
err:
if (ctx != NULL)
BN_CTX_free(ctx);
if (point != NULL)
EC_POINT_free(point);
EC_POINT_free(point);
return (ok);
}
@ -422,8 +417,7 @@ int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
err:
if (ctx)
BN_CTX_free(ctx);
if (point)
EC_POINT_free(point);
EC_POINT_free(point);
return ok;
}
@ -435,8 +429,7 @@ const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key)
int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group)
{
if (key->group != NULL)
EC_GROUP_free(key->group);
EC_GROUP_free(key->group);
key->group = EC_GROUP_dup(group);
return (key->group == NULL) ? 0 : 1;
}
@ -461,8 +454,7 @@ const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key)
int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub_key)
{
if (key->pub_key != NULL)
EC_POINT_free(key->pub_key);
EC_POINT_free(key->pub_key);
key->pub_key = EC_POINT_dup(pub_key, key->group);
return (key->pub_key == NULL) ? 0 : 1;
}

View File

@ -138,8 +138,7 @@ void EC_GROUP_free(EC_GROUP *group)
if (group->mont_data)
BN_MONT_CTX_free(group->mont_data);
if (group->generator != NULL)
EC_POINT_free(group->generator);
EC_POINT_free(group->generator);
BN_free(group->order);
BN_free(group->cofactor);
@ -164,8 +163,7 @@ void EC_GROUP_clear_free(EC_GROUP *group)
if (group->mont_data)
BN_MONT_CTX_free(group->mont_data);
if (group->generator != NULL)
EC_POINT_clear_free(group->generator);
EC_POINT_clear_free(group->generator);
BN_clear_free(group->order);
BN_clear_free(group->cofactor);
@ -232,10 +230,8 @@ int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src)
return 0;
} else {
/* src->generator == NULL */
if (dest->generator != NULL) {
EC_POINT_clear_free(dest->generator);
dest->generator = NULL;
}
EC_POINT_clear_free(dest->generator);
dest->generator = NULL;
}
if (!BN_copy(dest->order, src->order))
@ -283,10 +279,9 @@ EC_GROUP *EC_GROUP_dup(const EC_GROUP *a)
err:
if (!ok) {
if (t)
EC_GROUP_free(t);
EC_GROUP_free(t);
return NULL;
} else
}
return t;
}
@ -790,8 +785,8 @@ EC_POINT *EC_POINT_dup(const EC_POINT *a, const EC_GROUP *group)
if (!r) {
EC_POINT_free(t);
return NULL;
} else
return t;
}
return t;
}
const EC_METHOD *EC_POINT_method_of(const EC_POINT *point)

View File

@ -556,8 +556,7 @@ int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
err:
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (tmp != NULL)
EC_POINT_free(tmp);
EC_POINT_free(tmp);
if (wsize != NULL)
OPENSSL_free(wsize);
if (wNAF_len != NULL)
@ -759,10 +758,8 @@ int ec_wNAF_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
EC_POINT_free(*p);
OPENSSL_free(points);
}
if (tmp_point)
EC_POINT_free(tmp_point);
if (base)
EC_POINT_free(base);
EC_POINT_free(tmp_point);
EC_POINT_free(base);
return ret;
}

View File

@ -146,10 +146,8 @@ static void pkey_ec_cleanup(EVP_PKEY_CTX *ctx)
{
EC_PKEY_CTX *dctx = ctx->data;
if (dctx) {
if (dctx->gen_group)
EC_GROUP_free(dctx->gen_group);
if (dctx->co_key)
EC_KEY_free(dctx->co_key);
EC_GROUP_free(dctx->gen_group);
EC_KEY_free(dctx->co_key);
if (dctx->kdf_ukm)
OPENSSL_free(dctx->kdf_ukm);
OPENSSL_free(dctx);
@ -289,8 +287,7 @@ static int pkey_ec_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
ECerr(EC_F_PKEY_EC_CTRL, EC_R_INVALID_CURVE);
return 0;
}
if (dctx->gen_group)
EC_GROUP_free(dctx->gen_group);
EC_GROUP_free(dctx->gen_group);
dctx->gen_group = group;
return 1;
@ -331,7 +328,7 @@ static int pkey_ec_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
EC_KEY_set_flags(dctx->co_key, EC_FLAG_COFACTOR_ECDH);
else
EC_KEY_clear_flags(dctx->co_key, EC_FLAG_COFACTOR_ECDH);
} else if (dctx->co_key) {
} else {
EC_KEY_free(dctx->co_key);
dctx->co_key = NULL;
}

View File

@ -110,7 +110,7 @@ EC_POINT *EC_POINT_bn2point(const EC_GROUP *group,
ret = point;
if (!EC_POINT_oct2point(group, ret, buf, buf_len, ctx)) {
if (point == NULL)
if (ret != point)
EC_POINT_clear_free(ret);
OPENSSL_free(buf);
return NULL;

View File

@ -1602,8 +1602,7 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (secrets != NULL)
@ -1739,8 +1738,7 @@ int ec_GFp_nistp224_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
pre = NULL;
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (pre)

View File

@ -2193,8 +2193,7 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (secrets != NULL)
@ -2340,8 +2339,7 @@ int ec_GFp_nistp256_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
pre = NULL;
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (pre)

View File

@ -2006,8 +2006,7 @@ int ec_GFp_nistp521_points_mul(const EC_GROUP *group, EC_POINT *r,
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (secrets != NULL)
@ -2123,8 +2122,7 @@ int ec_GFp_nistp521_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
pre = NULL;
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (pre)

View File

@ -874,10 +874,8 @@ static int ecp_nistz256_mult_precompute(EC_GROUP *group, BN_CTX *ctx)
ecp_nistz256_pre_comp_free(pre_comp);
if (precomp_storage)
OPENSSL_free(precomp_storage);
if (P)
EC_POINT_free(P);
if (T)
EC_POINT_free(T);
EC_POINT_free(P);
EC_POINT_free(T);
return ret;
}

View File

@ -864,18 +864,12 @@ static void prime_field_tests(void)
BN_free(y);
BN_free(z);
if (P_160)
EC_GROUP_free(P_160);
if (P_192)
EC_GROUP_free(P_192);
if (P_224)
EC_GROUP_free(P_224);
if (P_256)
EC_GROUP_free(P_256);
if (P_384)
EC_GROUP_free(P_384);
if (P_521)
EC_GROUP_free(P_521);
EC_GROUP_free(P_160);
EC_GROUP_free(P_192);
EC_GROUP_free(P_224);
EC_GROUP_free(P_256);
EC_GROUP_free(P_384);
EC_GROUP_free(P_521);
}
@ -1346,26 +1340,16 @@ static void char2_field_tests(void)
BN_free(z);
BN_free(cof);
if (C2_K163)
EC_GROUP_free(C2_K163);
if (C2_B163)
EC_GROUP_free(C2_B163);
if (C2_K233)
EC_GROUP_free(C2_K233);
if (C2_B233)
EC_GROUP_free(C2_B233);
if (C2_K283)
EC_GROUP_free(C2_K283);
if (C2_B283)
EC_GROUP_free(C2_B283);
if (C2_K409)
EC_GROUP_free(C2_K409);
if (C2_B409)
EC_GROUP_free(C2_B409);
if (C2_K571)
EC_GROUP_free(C2_K571);
if (C2_B571)
EC_GROUP_free(C2_B571);
EC_GROUP_free(C2_K163);
EC_GROUP_free(C2_B163);
EC_GROUP_free(C2_K233);
EC_GROUP_free(C2_B233);
EC_GROUP_free(C2_K283);
EC_GROUP_free(C2_B283);
EC_GROUP_free(C2_K409);
EC_GROUP_free(C2_B409);
EC_GROUP_free(C2_K571);
EC_GROUP_free(C2_B571);
}
# endif

View File

@ -290,10 +290,8 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
BN_free(x_b);
if (y_b)
BN_free(y_b);
if (b)
EC_KEY_free(b);
if (a)
EC_KEY_free(a);
EC_KEY_free(b);
EC_KEY_free(a);
return (ret);
}
@ -394,12 +392,10 @@ static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen)
err:
if (priv)
BN_clear_free(priv);
if (pub)
EC_POINT_free(pub);
EC_POINT_free(pub);
if (ok)
return k;
else if (k)
EC_KEY_free(k);
EC_KEY_free(k);
return NULL;
}
@ -440,10 +436,8 @@ static int ecdh_kat(BIO *out, const char *cname, int nid,
goto err;
rv = 1;
err:
if (key1)
EC_KEY_free(key1);
if (key2)
EC_KEY_free(key2);
EC_KEY_free(key1);
EC_KEY_free(key2);
if (Ztmp)
OPENSSL_free(Ztmp);
if (rv)

View File

@ -202,8 +202,7 @@ static int ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
}
err:
if (tmp)
EC_POINT_free(tmp);
EC_POINT_free(tmp);
if (ctx)
BN_CTX_end(ctx);
if (ctx)

View File

@ -240,8 +240,7 @@ int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
x962_int_err:
if (!ret)
BIO_printf(out, " failed\n");
if (key)
EC_KEY_free(key);
EC_KEY_free(key);
if (signature)
ECDSA_SIG_free(signature);
if (r)
@ -354,9 +353,8 @@ int test_builtin(BIO *out)
goto builtin_err;
EC_GROUP_free(group);
degree = EC_GROUP_get_degree(EC_KEY_get0_group(eckey));
if (degree < 160)
if (degree < 160) {
/* drop the curve */
{
EC_KEY_free(eckey);
eckey = NULL;
continue;
@ -506,10 +504,8 @@ int test_builtin(BIO *out)
ret = 1;
builtin_err:
if (eckey)
EC_KEY_free(eckey);
if (wrong_eckey)
EC_KEY_free(wrong_eckey);
EC_KEY_free(eckey);
EC_KEY_free(wrong_eckey);
if (ecdsa_sig)
ECDSA_SIG_free(ecdsa_sig);
if (signature)

View File

@ -242,8 +242,7 @@ static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in,
BN_CTX_free(ctx);
if (order != NULL)
BN_free(order);
if (tmp_point != NULL)
EC_POINT_free(tmp_point);
EC_POINT_free(tmp_point);
if (X)
BN_clear_free(X);
return (ret);
@ -475,7 +474,6 @@ static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
err:
BN_CTX_end(ctx);
BN_CTX_free(ctx);
if (point)
EC_POINT_free(point);
EC_POINT_free(point);
return ret;
}

View File

@ -75,8 +75,10 @@ In order to construct a builtin curve use the function EC_GROUP_new_by_curve_nam
be constructed.
EC_GROUP_free frees the memory associated with the EC_GROUP.
If B<group> is NULL nothing is done.
EC_GROUP_clear_free destroys any sensitive data held within the EC_GROUP and then frees its memory.
If B<group> is NULL nothing is done.
=head1 RETURN VALUES

View File

@ -47,6 +47,7 @@ EC_GROUP_new_by_curve_name.
Calling EC_KEY_free decrements the reference count for the EC_KEY object, and if it has dropped to zero then frees the memory associated
with it.
If B<key> is NULL nothing is done.
EC_KEY_copy copies the contents of the EC_KEY in B<src> into B<dest>.

View File

@ -53,8 +53,10 @@ An EC_POINT represents a point on a curve. A new point is constructed by calling
object that the point relates to.
EC_POINT_free frees the memory associated with the EC_POINT.
if B<point> is NULL nothing is done.
EC_POINT_clear_free destroys any sensitive data held within the EC_POINT and then frees its memory.
if B<point> is NULL nothing is done.
EC_POINT_copy copies the point B<src> into B<dst>. Both B<src> and B<dst> must use the same EC_METHOD.

View File

@ -284,9 +284,7 @@ static void pkey_free_gost94(EVP_PKEY *key)
static void pkey_free_gost01(EVP_PKEY *key)
{
if (key->pkey.ec) {
EC_KEY_free(key->pkey.ec);
}
EC_KEY_free(key->pkey.ec);
}
/* ------------------ private key functions -----------------------------*/

View File

@ -1388,10 +1388,8 @@ int ssl3_get_key_exchange(SSL *s)
s->session->sess_cert->peer_dh_tmp = NULL;
#endif
#ifndef OPENSSL_NO_EC
if (s->session->sess_cert->peer_ecdh_tmp) {
EC_KEY_free(s->session->sess_cert->peer_ecdh_tmp);
s->session->sess_cert->peer_ecdh_tmp = NULL;
}
EC_KEY_free(s->session->sess_cert->peer_ecdh_tmp);
s->session->sess_cert->peer_ecdh_tmp = NULL;
#endif
} else {
s->session->sess_cert = ssl_sess_cert_new();
@ -1959,8 +1957,7 @@ int ssl3_get_key_exchange(SSL *s)
#ifndef OPENSSL_NO_EC
BN_CTX_free(bn_ctx);
EC_POINT_free(srvr_ecpoint);
if (ecdh != NULL)
EC_KEY_free(ecdh);
EC_KEY_free(ecdh);
#endif
EVP_MD_CTX_cleanup(&md_ctx);
return (-1);
@ -2760,8 +2757,7 @@ int ssl3_send_client_key_exchange(SSL *s)
BN_CTX_free(bn_ctx);
if (encodedPoint != NULL)
OPENSSL_free(encodedPoint);
if (clnt_ecdh != NULL)
EC_KEY_free(clnt_ecdh);
EC_KEY_free(clnt_ecdh);
EVP_PKEY_free(srvr_pub_pkey);
}
#endif /* !OPENSSL_NO_EC */
@ -3069,8 +3065,7 @@ int ssl3_send_client_key_exchange(SSL *s)
BN_CTX_free(bn_ctx);
if (encodedPoint != NULL)
OPENSSL_free(encodedPoint);
if (clnt_ecdh != NULL)
EC_KEY_free(clnt_ecdh);
EC_KEY_free(clnt_ecdh);
EVP_PKEY_free(srvr_pub_pkey);
#endif
return (-1);

View File

@ -3141,8 +3141,7 @@ void ssl3_free(SSL *s)
DH_free(s->s3->tmp.dh);
#endif
#ifndef OPENSSL_NO_EC
if (s->s3->tmp.ecdh != NULL)
EC_KEY_free(s->s3->tmp.ecdh);
EC_KEY_free(s->s3->tmp.ecdh);
#endif
if (s->s3->tmp.ca_names != NULL)
@ -3182,10 +3181,8 @@ void ssl3_clear(SSL *s)
s->s3->tmp.dh = NULL;
#endif
#ifndef OPENSSL_NO_EC
if (s->s3->tmp.ecdh != NULL) {
EC_KEY_free(s->s3->tmp.ecdh);
s->s3->tmp.ecdh = NULL;
}
EC_KEY_free(s->s3->tmp.ecdh);
s->s3->tmp.ecdh = NULL;
#endif
#ifndef OPENSSL_NO_TLSEXT
# ifndef OPENSSL_NO_EC
@ -3356,8 +3353,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
return (ret);
}
}
if (s->cert->ecdh_tmp != NULL)
EC_KEY_free(s->cert->ecdh_tmp);
EC_KEY_free(s->cert->ecdh_tmp);
s->cert->ecdh_tmp = ecdh;
ret = 1;
}
@ -3829,9 +3825,7 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
}
}
if (cert->ecdh_tmp != NULL) {
EC_KEY_free(cert->ecdh_tmp);
}
EC_KEY_free(cert->ecdh_tmp);
cert->ecdh_tmp = ecdh;
return 1;
}

View File

@ -2886,8 +2886,7 @@ int ssl3_get_client_key_exchange(SSL *s)
#ifndef OPENSSL_NO_EC
EVP_PKEY_free(clnt_pub_pkey);
EC_POINT_free(clnt_ecpoint);
if (srvr_ecdh != NULL)
EC_KEY_free(srvr_ecdh);
EC_KEY_free(srvr_ecdh);
BN_CTX_free(bn_ctx);
#endif
return (-1);

View File

@ -449,8 +449,7 @@ void ssl_cert_free(CERT *c)
DH_free(c->dh_tmp);
#endif
#ifndef OPENSSL_NO_EC
if (c->ecdh_tmp)
EC_KEY_free(c->ecdh_tmp);
EC_KEY_free(c->ecdh_tmp);
#endif
ssl_cert_clear_certs(c);
@ -655,8 +654,7 @@ void ssl_sess_cert_free(SESS_CERT *sc)
DH_free(sc->peer_dh_tmp);
#endif
#ifndef OPENSSL_NO_EC
if (sc->peer_ecdh_tmp != NULL)
EC_KEY_free(sc->peer_ecdh_tmp);
EC_KEY_free(sc->peer_ecdh_tmp);
#endif
OPENSSL_free(sc);