Instead of global data store it in an OPENSSL_CTX

[openssl.git] / include / internal / cryptlib.h

diff --git a/include/internal/cryptlib.h b/include/internal/cryptlib.h
index e791245adaf8fbf3c2a7142027324cf6c6f49a7c..df23f578e379662de754f07488a700c2df7b70f9 100644 (file)
--- a/include/internal/cryptlib.h
+++ b/include/internal/cryptlib.h
@@ -88,7 +88,8 @@ DEFINE_LHASH_OF(MEM);
 void OPENSSL_cpuid_setup(void);
 extern unsigned int OPENSSL_ia32cap_P[];
 void OPENSSL_showfatal(const char *fmta, ...);
-void crypto_cleanup_all_ex_data_int(void);
+int do_ex_data_init(OPENSSL_CTX *ctx);
+void crypto_cleanup_all_ex_data_int(OPENSSL_CTX *ctx);
 int openssl_init_fork_handlers(void);
 
 char *ossl_safe_getenv(const char *name);
@@ -105,13 +106,72 @@ uint32_t OPENSSL_rdtsc(void);
 size_t OPENSSL_instrument_bus(unsigned int *, size_t);
 size_t OPENSSL_instrument_bus2(unsigned int *, size_t, size_t);
 
+/* ex_data structures */
+
+/*
+ * Each structure type (sometimes called a class), that supports
+ * exdata has a stack of callbacks for each instance.
+ */
+struct ex_callback_st {
+    long argl;                  /* Arbitrary long */
+    void *argp;                 /* Arbitrary void * */
+    CRYPTO_EX_new *new_func;
+    CRYPTO_EX_free *free_func;
+    CRYPTO_EX_dup *dup_func;
+};
+
+/*
+ * The state for each class.  This could just be a typedef, but
+ * a structure allows future changes.
+ */
+typedef struct ex_callbacks_st {
+    STACK_OF(EX_CALLBACK) *meth;
+} EX_CALLBACKS;
+
+typedef struct ossl_ex_data_global_st {
+    CRYPTO_RWLOCK *ex_data_lock;
+    EX_CALLBACKS ex_data[CRYPTO_EX_INDEX__COUNT];
+} OSSL_EX_DATA_GLOBAL;
+
+
+/* OPENSSL_CTX */
+
+# define OPENSSL_CTX_PROVIDER_STORE_RUN_ONCE_INDEX          0
+# define OPENSSL_CTX_DEFAULT_METHOD_STORE_RUN_ONCE_INDEX    1
+# define OPENSSL_CTX_METHOD_STORE_RUN_ONCE_INDEX            2
+# define OPENSSL_CTX_MAX_RUN_ONCE                           3
+
+# define OPENSSL_CTX_DEFAULT_METHOD_STORE_INDEX     0
+# define OPENSSL_CTX_PROVIDER_STORE_INDEX           1
+# define OPENSSL_CTX_PROPERTY_DEFN_INDEX            2
+# define OPENSSL_CTX_PROPERTY_STRING_INDEX          3
+# define OPENSSL_CTX_MAX_INDEXES                    4
+
 typedef struct openssl_ctx_method {
-    void *(*new_func)(void);
+    void *(*new_func)(OPENSSL_CTX *ctx);
     void (*free_func)(void *);
 } OPENSSL_CTX_METHOD;
-/* For each type of data to store in the context, an index must be created */
-int openssl_ctx_new_index(const OPENSSL_CTX_METHOD *);
-/* Functions to retrieve pointers to data by index */
-void *openssl_ctx_get_data(OPENSSL_CTX *, int /* index */);
 
+/* Functions to retrieve pointers to data by index */
+void *openssl_ctx_get_data(OPENSSL_CTX *, int /* index */,
+                           const OPENSSL_CTX_METHOD * ctx);
+
+void openssl_ctx_default_deinit(void);
+OSSL_EX_DATA_GLOBAL *openssl_ctx_get_ex_data_global(OPENSSL_CTX *ctx);
+typedef int (openssl_ctx_run_once_fn)(OPENSSL_CTX *ctx);
+typedef void (openssl_ctx_onfree_fn)(OPENSSL_CTX *ctx);
+
+int openssl_ctx_run_once(OPENSSL_CTX *ctx, unsigned int idx,
+                         openssl_ctx_run_once_fn run_once_fn);
+int openssl_ctx_onfree(OPENSSL_CTX *ctx, openssl_ctx_onfree_fn onfreefn);
+
+OPENSSL_CTX *crypto_ex_data_get_openssl_ctx(const CRYPTO_EX_DATA *ad);
+int crypto_new_ex_data_ex(OPENSSL_CTX *ctx, int class_index, void *obj,
+                          CRYPTO_EX_DATA *ad);
+int crypto_get_ex_new_index_ex(OPENSSL_CTX *ctx, int class_index,
+                               long argl, void *argp,
+                               CRYPTO_EX_new *new_func,
+                               CRYPTO_EX_dup *dup_func,
+                               CRYPTO_EX_free *free_func);
+int crypto_free_ex_index_ex(OPENSSL_CTX *ctx, int class_index, int idx);
 #endif