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-rw-r--r--crypto/x509/x509_lu.c66
1 files changed, 39 insertions, 27 deletions
diff --git a/crypto/x509/x509_lu.c b/crypto/x509/x509_lu.c
index cd2cfb6d855a..b486171868a6 100644
--- a/crypto/x509/x509_lu.c
+++ b/crypto/x509/x509_lu.c
@@ -198,7 +198,13 @@ X509_STORE *X509_STORE_new(void)
ret->cert_crl = 0;
ret->cleanup = 0;
- CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data);
+ if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data))
+ {
+ sk_X509_OBJECT_free(ret->objs);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+
ret->references=1;
return ret;
}
@@ -286,7 +292,9 @@ int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
X509_OBJECT stmp,*tmp;
int i,j;
+ CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name);
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
if (tmp == NULL)
{
@@ -340,7 +348,6 @@ int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
X509_OBJECT_up_ref_count(obj);
-
if (X509_OBJECT_retrieve_match(ctx->objs, obj))
{
X509_OBJECT_free_contents(obj);
@@ -446,15 +453,15 @@ int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type,
X509_NAME *name)
-{
+ {
int idx;
idx = X509_OBJECT_idx_by_subject(h, type, name);
if (idx==-1) return NULL;
return sk_X509_OBJECT_value(h, idx);
-}
+ }
X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x)
-{
+ {
int idx, i;
X509_OBJECT *obj;
idx = sk_X509_OBJECT_find(h, x);
@@ -469,13 +476,13 @@ X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x
return obj;
}
return NULL;
-}
+ }
/* Try to get issuer certificate from store. Due to limitations
* of the API this can only retrieve a single certificate matching
* a given subject name. However it will fill the cache with all
- * matching certificates, so we can examine the cache for all
+ * matching certificates, so we can examine the cache for all
* matches.
*
* Return values are:
@@ -483,13 +490,11 @@ X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x
* 0 certificate not found.
* -1 some other error.
*/
-
-
int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
-{
+ {
X509_NAME *xn;
X509_OBJECT obj, *pobj;
- int i, ok, idx;
+ int i, ok, idx, ret;
xn=X509_get_issuer_name(x);
ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj);
if (ok != X509_LU_X509)
@@ -515,27 +520,34 @@ int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
return 1;
}
X509_OBJECT_free_contents(&obj);
- /* Else find index of first matching cert */
- idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
- /* This shouldn't normally happen since we already have one match */
- if (idx == -1) return 0;
- /* Look through all matching certificates for a suitable issuer */
- for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++)
+ /* Else find index of first cert accepted by 'check_issued' */
+ ret = 0;
+ CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
+ idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
+ if (idx != -1) /* should be true as we've had at least one match */
{
- pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
- /* See if we've ran out of matches */
- if (pobj->type != X509_LU_X509) return 0;
- if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) return 0;
- if (ctx->check_issued(ctx, x, pobj->data.x509))
+ /* Look through all matching certs for suitable issuer */
+ for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++)
{
- *issuer = pobj->data.x509;
- X509_OBJECT_up_ref_count(pobj);
- return 1;
+ pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
+ /* See if we've run past the matches */
+ if (pobj->type != X509_LU_X509)
+ break;
+ if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
+ break;
+ if (ctx->check_issued(ctx, x, pobj->data.x509))
+ {
+ *issuer = pobj->data.x509;
+ X509_OBJECT_up_ref_count(pobj);
+ ret = 1;
+ break;
+ }
}
}
- return 0;
-}
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+ return ret;
+ }
int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
{