Add CMP error reason 'missing reference cert'

[openssl.git] / crypto / ex_data.c

diff --git a/crypto/ex_data.c b/crypto/ex_data.c
index d9dd3d2aed119f71f68bd00a6e007b4a4a7088c7..defa2b4bdadf190482a22c70244915e3edec002a 100644 (file)
--- a/crypto/ex_data.c
+++ b/crypto/ex_data.c
@@ -7,7 +7,7 @@
  * https://www.openssl.org/source/license.html
  */
 
-#include "internal/cryptlib_int.h"
+#include "crypto/cryptlib.h"
 #include "internal/thread_once.h"
 
 int do_ex_data_init(OPENSSL_CTX *ctx)
@@ -24,33 +24,27 @@ int do_ex_data_init(OPENSSL_CTX *ctx)
 /*
  * Return the EX_CALLBACKS from the |ex_data| array that corresponds to
  * a given class.  On success, *holds the lock.*
+ * The |global| parameter is assumed to be non null (checked by the caller).
  */
-static EX_CALLBACKS *get_and_lock(OPENSSL_CTX *ctx, int class_index)
+static EX_CALLBACKS *get_and_lock(OSSL_EX_DATA_GLOBAL *global, int class_index)
 {
     EX_CALLBACKS *ip;
-    OSSL_EX_DATA_GLOBAL *global = NULL;
 
     if (class_index < 0 || class_index >= CRYPTO_EX_INDEX__COUNT) {
         CRYPTOerr(CRYPTO_F_GET_AND_LOCK, ERR_R_PASSED_INVALID_ARGUMENT);
         return NULL;
     }
 
-    global = openssl_ctx_get_ex_data_global(ctx);
     if (global->ex_data_lock == NULL) {
         /*
-         * This can happen in normal operation when using CRYPTO_mem_leaks().
-         * The CRYPTO_mem_leaks() function calls OPENSSL_cleanup() which cleans
-         * up the locks. Subsequently the BIO that CRYPTO_mem_leaks() uses gets
-         * freed, which also attempts to free the ex_data. However
-         * CRYPTO_mem_leaks() ensures that the ex_data is freed early (i.e.
-         * before OPENSSL_cleanup() is called), so if we get here we can safely
-         * ignore this operation. We just treat it as an error.
+         * If we get here, someone (who?) cleaned up the lock, so just
+         * treat it as an error.
          */
          return NULL;
     }
 
-    ip = &global->ex_data[class_index];
     CRYPTO_THREAD_write_lock(global->ex_data_lock);
+    ip = &global->ex_data[class_index];
     return ip;
 }
 
@@ -108,17 +102,18 @@ static int dummy_dup(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
 
 int crypto_free_ex_index_ex(OPENSSL_CTX *ctx, int class_index, int idx)
 {
-    EX_CALLBACKS *ip = get_and_lock(ctx, class_index);
+    EX_CALLBACKS *ip;
     EX_CALLBACK *a;
     int toret = 0;
     OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx);
 
     if (global == NULL)
-        goto err;
+        return 0;
 
-    ip = get_and_lock(ctx, class_index);
+    ip = get_and_lock(global, class_index);
     if (ip == NULL)
         return 0;
+
     if (idx < 0 || idx >= sk_EX_CALLBACK_num(ip->meth))
         goto err;
     a = sk_EX_CALLBACK_value(ip->meth, idx);
@@ -152,9 +147,9 @@ int crypto_get_ex_new_index_ex(OPENSSL_CTX *ctx, int class_index, long argl,
     OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx);
 
     if (global == NULL)
-        goto err;
+        return -1;
 
-    ip = get_and_lock(ctx, class_index);
+    ip = get_and_lock(global, class_index);
     if (ip == NULL)
         return -1;
 
@@ -221,13 +216,12 @@ int crypto_new_ex_data_ex(OPENSSL_CTX *ctx, int class_index, void *obj,
     if (global == NULL)
         return 0;
 
-    ip = get_and_lock(ctx, class_index);
+    ip = get_and_lock(global, class_index);
     if (ip == NULL)
         return 0;
 
     ad->ctx = ctx;
     ad->sk = NULL;
-
     mx = sk_EX_CALLBACK_num(ip->meth);
     if (mx > 0) {
         if (mx < (int)OSSL_NELEM(stack))
@@ -274,16 +268,19 @@ int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
     EX_CALLBACK **storage = NULL;
     EX_CALLBACKS *ip;
     int toret = 0;
-    OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(from->ctx);
-
-    if (global == NULL)
-        return 0;
+    OSSL_EX_DATA_GLOBAL *global;
 
     to->ctx = from->ctx;
     if (from->sk == NULL)
         /* Nothing to copy over */
         return 1;
-    if ((ip = get_and_lock(from->ctx, class_index)) == NULL)
+
+    global = openssl_ctx_get_ex_data_global(from->ctx);
+    if (global == NULL)
+        return 0;
+
+    ip = get_and_lock(global, class_index);
+    if (ip == NULL)
         return 0;
 
     mx = sk_EX_CALLBACK_num(ip->meth);
@@ -345,14 +342,15 @@ void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
     EX_CALLBACK *f;
     EX_CALLBACK *stack[10];
     EX_CALLBACK **storage = NULL;
-    OSSL_EX_DATA_GLOBAL *global;
+    OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ad->ctx);
 
-    if ((ip = get_and_lock(ad->ctx, class_index)) == NULL)
-        goto err;
-    global = openssl_ctx_get_ex_data_global(ad->ctx);
     if (global == NULL)
         goto err;
 
+    ip = get_and_lock(global, class_index);
+    if (ip == NULL)
+        goto err;
+
     mx = sk_EX_CALLBACK_num(ip->meth);
     if (mx > 0) {
         if (mx < (int)OSSL_NELEM(stack))
@@ -397,18 +395,18 @@ int CRYPTO_alloc_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad,
     EX_CALLBACK *f;
     EX_CALLBACKS *ip;
     void *curval;
-    OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ad->ctx);
-
-    if (global == NULL)
-        return 0;
+    OSSL_EX_DATA_GLOBAL *global;
 
     curval = CRYPTO_get_ex_data(ad, idx);
-
     /* Already there, no need to allocate */
     if (curval != NULL)
         return 1;
 
-    ip = get_and_lock(ad->ctx, class_index);
+    global = openssl_ctx_get_ex_data_global(ad->ctx);
+    if (global == NULL)
+        return 0;
+
+    ip = get_and_lock(global, class_index);
     if (ip == NULL)
         return 0;
     f = sk_EX_CALLBACK_value(ip->meth, idx);
@@ -421,7 +419,7 @@ int CRYPTO_alloc_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad,
     if (f->new_func == NULL)
         return 0;
 
-    f->new_func(obj, curval, ad, idx, f->argl, f->argp);
+    f->new_func(obj, NULL, ad, idx, f->argl, f->argp);
 
     return 1;
 }