* project 2000.
*/
/* ====================================================================
- * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2004 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#ifndef HEADER_ENGINE_H
#define HEADER_ENGINE_H
-#include <openssl/ossl_typ.h>
+#include <openssl/opensslconf.h>
+
+#ifdef OPENSSL_NO_ENGINE
+#error ENGINE is disabled.
+#endif
+
+#ifndef OPENSSL_NO_DEPRECATED
#include <openssl/bn.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#include <openssl/ecdsa.h>
#endif
#include <openssl/rand.h>
+#include <openssl/store.h>
#include <openssl/ui.h>
-#include <openssl/symhacks.h>
#include <openssl/err.h>
+#endif
+
+#include <openssl/ossl_typ.h>
+#include <openssl/symhacks.h>
#ifdef __cplusplus
extern "C" {
#define ENGINE_METHOD_ECDSA (unsigned int)0x0020
#define ENGINE_METHOD_CIPHERS (unsigned int)0x0040
#define ENGINE_METHOD_DIGESTS (unsigned int)0x0080
+#define ENGINE_METHOD_STORE (unsigned int)0x0100
/* Obvious all-or-nothing cases. */
#define ENGINE_METHOD_ALL (unsigned int)0xFFFF
#define ENGINE_METHOD_NONE (unsigned int)0x0000
handles/connections etc. */
#define ENGINE_CTRL_SET_USER_INTERFACE 4 /* Alternative to callback */
#define ENGINE_CTRL_SET_CALLBACK_DATA 5 /* User-specific data, used
- when calling the password
- callback and the user
- interface */
+ when calling the password
+ callback and the user
+ interface */
+#define ENGINE_CTRL_LOAD_CONFIGURATION 6 /* Load a configuration, given
+ a string that represents a
+ file name or so */
+#define ENGINE_CTRL_LOAD_SECTION 7 /* Load data from a given
+ section in the already loaded
+ configuration */
/* These control commands allow an application to deal with an arbitrary engine
* in a dynamic way. Warn: Negative return values indicate errors FOR THESE
/* ENGINE implementations should start the numbering of their own control
* commands from this value. (ie. ENGINE_CMD_BASE, ENGINE_CMD_BASE + 1, etc). */
-#define ENGINE_CMD_BASE 200
+#define ENGINE_CMD_BASE 200
/* NB: These 2 nCipher "chil" control commands are deprecated, and their
* functionality is now available through ENGINE-specific control commands
} ENGINE_CMD_DEFN;
/* Generic function pointer */
-typedef int (*ENGINE_GEN_FUNC_PTR)();
+typedef int (*ENGINE_GEN_FUNC_PTR)(void);
/* Generic function pointer taking no arguments */
typedef int (*ENGINE_GEN_INT_FUNC_PTR)(ENGINE *);
/* Specific control function pointer */
-typedef int (*ENGINE_CTRL_FUNC_PTR)(ENGINE *, int, long, void *, void (*f)());
+typedef int (*ENGINE_CTRL_FUNC_PTR)(ENGINE *, int, long, void *, void (*f)(void));
/* Generic load_key function pointer */
typedef EVP_PKEY * (*ENGINE_LOAD_KEY_PTR)(ENGINE *, const char *,
UI_METHOD *ui_method, void *callback_data);
/* Add all the built-in engines. */
void ENGINE_load_openssl(void);
void ENGINE_load_dynamic(void);
-void ENGINE_load_cswift(void);
-void ENGINE_load_chil(void);
+#ifndef OPENSSL_NO_STATIC_ENGINE
+void ENGINE_load_4758cca(void);
+void ENGINE_load_aep(void);
void ENGINE_load_atalla(void);
+void ENGINE_load_chil(void);
+void ENGINE_load_cswift(void);
+void ENGINE_load_gmp(void);
void ENGINE_load_nuron(void);
-void ENGINE_load_ubsec(void);
-void ENGINE_load_aep(void);
void ENGINE_load_sureware(void);
-void ENGINE_load_4758cca(void);
+void ENGINE_load_ubsec(void);
+#endif
void ENGINE_load_cryptodev(void);
void ENGINE_load_builtin_engines(void);
void ENGINE_unregister_RAND(ENGINE *e);
void ENGINE_register_all_RAND(void);
+int ENGINE_register_STORE(ENGINE *e);
+void ENGINE_unregister_STORE(ENGINE *e);
+void ENGINE_register_all_STORE(void);
+
int ENGINE_register_ciphers(ENGINE *e);
void ENGINE_unregister_ciphers(ENGINE *e);
void ENGINE_register_all_ciphers(void);
* reference to an engine, but many control commands may require the engine be
* functional. The caller should be aware of trying commands that require an
* operational ENGINE, and only use functional references in such situations. */
-int ENGINE_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
+int ENGINE_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
/* This function tests if an ENGINE-specific command is usable as a "setting".
* Eg. in an application's config file that gets processed through
* See the comment on ENGINE_ctrl_cmd_string() for an explanation on how to
* use the cmd_name and cmd_optional. */
int ENGINE_ctrl_cmd(ENGINE *e, const char *cmd_name,
- long i, void *p, void (*f)(), int cmd_optional);
+ long i, void *p, void (*f)(void), int cmd_optional);
/* This function passes a command-name and argument to an ENGINE. The cmd_name
* is converted to a command number and the control command is called using
int ENGINE_set_ECDSA(ENGINE *e, const ECDSA_METHOD *ecdsa_meth);
int ENGINE_set_DH(ENGINE *e, const DH_METHOD *dh_meth);
int ENGINE_set_RAND(ENGINE *e, const RAND_METHOD *rand_meth);
+int ENGINE_set_STORE(ENGINE *e, const STORE_METHOD *store_meth);
int ENGINE_set_destroy_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR destroy_f);
int ENGINE_set_init_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR init_f);
int ENGINE_set_finish_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR finish_f);
int ENGINE_set_digests(ENGINE *e, ENGINE_DIGESTS_PTR f);
int ENGINE_set_flags(ENGINE *e, int flags);
int ENGINE_set_cmd_defns(ENGINE *e, const ENGINE_CMD_DEFN *defns);
-/* These functions (and the "get" function lower down) allow control over any
- * per-structure ENGINE data. */
+/* These functions allow control over any per-structure ENGINE data. */
int ENGINE_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
int ENGINE_set_ex_data(ENGINE *e, int idx, void *arg);
+void *ENGINE_get_ex_data(const ENGINE *e, int idx);
/* This function cleans up anything that needs it. Eg. the ENGINE_add() function
* automatically ensures the list cleanup function is registered to be called
const ECDSA_METHOD *ENGINE_get_ECDSA(const ENGINE *e);
const DH_METHOD *ENGINE_get_DH(const ENGINE *e);
const RAND_METHOD *ENGINE_get_RAND(const ENGINE *e);
+const STORE_METHOD *ENGINE_get_STORE(const ENGINE *e);
ENGINE_GEN_INT_FUNC_PTR ENGINE_get_destroy_function(const ENGINE *e);
ENGINE_GEN_INT_FUNC_PTR ENGINE_get_init_function(const ENGINE *e);
ENGINE_GEN_INT_FUNC_PTR ENGINE_get_finish_function(const ENGINE *e);
const EVP_MD *ENGINE_get_digest(ENGINE *e, int nid);
const ENGINE_CMD_DEFN *ENGINE_get_cmd_defns(const ENGINE *e);
int ENGINE_get_flags(const ENGINE *e);
-void *ENGINE_get_ex_data(const ENGINE *e, int idx);
/* FUNCTIONAL functions. These functions deal with ENGINE structures
* that have (or will) be initialised for use. Broadly speaking, the
* structure will have had its reference count up'd so the caller
* should still free their own reference 'e'. */
int ENGINE_set_default_RSA(ENGINE *e);
-int ENGINE_set_default_string(ENGINE *e, const char *list);
+int ENGINE_set_default_string(ENGINE *e, const char *def_list);
/* Same for the other "methods" */
int ENGINE_set_default_DSA(ENGINE *e);
int ENGINE_set_default_ECDH(ENGINE *e);
/**************************/
/* Binary/behaviour compatibility levels */
-#define OSSL_DYNAMIC_VERSION (unsigned long)0x00010100
+#define OSSL_DYNAMIC_VERSION (unsigned long)0x00020000
/* Binary versions older than this are too old for us (whether we're a loader or
* a loadee) */
-#define OSSL_DYNAMIC_OLDEST (unsigned long)0x00010100
+#define OSSL_DYNAMIC_OLDEST (unsigned long)0x00020000
/* When compiling an ENGINE entirely as an external shared library, loadable by
* the "dynamic" ENGINE, these types are needed. The 'dynamic_fns' structure
* type provides the calling application's (or library's) error functionality
* and memory management function pointers to the loaded library. These should
* be used/set in the loaded library code so that the loading application's
- * 'state' will be used/changed in all operations. */
+ * 'state' will be used/changed in all operations. The 'static_state' pointer
+ * allows the loaded library to know if it shares the same static data as the
+ * calling application (or library), and thus whether these callbacks need to be
+ * set or not. */
typedef void *(*dyn_MEM_malloc_cb)(size_t);
typedef void *(*dyn_MEM_realloc_cb)(void *, size_t);
typedef void (*dyn_MEM_free_cb)(void *);
} dynamic_LOCK_fns;
/* The top-level structure */
typedef struct st_dynamic_fns {
+ void *static_state;
const ERR_FNS *err_fns;
const CRYPTO_EX_DATA_IMPL *ex_data_fns;
dynamic_MEM_fns mem_fns;
const dynamic_fns *fns);
#define IMPLEMENT_DYNAMIC_BIND_FN(fn) \
int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { \
+ if(ENGINE_get_static_state() == fns->static_state) goto skip_cbs; \
if(!CRYPTO_set_mem_functions(fns->mem_fns.malloc_cb, \
fns->mem_fns.realloc_cb, fns->mem_fns.free_cb)) \
return 0; \
if(!CRYPTO_set_ex_data_implementation(fns->ex_data_fns)) \
return 0; \
if(!ERR_set_implementation(fns->err_fns)) return 0; \
+ skip_cbs: \
if(!fn(e,id)) return 0; \
return 1; }
+/* If the loading application (or library) and the loaded ENGINE library share
+ * the same static data (eg. they're both dynamically linked to the same
+ * libcrypto.so) we need a way to avoid trying to set system callbacks - this
+ * would fail, and for the same reason that it's unnecessary to try. If the
+ * loaded ENGINE has (or gets from through the loader) its own copy of the
+ * libcrypto static data, we will need to set the callbacks. The easiest way to
+ * detect this is to have a function that returns a pointer to some static data
+ * and let the loading application and loaded ENGINE compare their respective
+ * values. */
+void *ENGINE_get_static_state(void);
+
+#if defined(__OpenBSD__) || defined(__FreeBSD__)
+void ENGINE_setup_bsd_cryptodev(void);
+#endif
+
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
projects / openssl.git / blobdiff