* reference and the caller is responsible for freeing that when they
* are finished with it (with a call to ENGINE_finish() *NOT* just
* ENGINE_free()!!!!!!). */
+#ifndef OPENSSL_NO_RSA
static ENGINE *engine_def_rsa = NULL;
+#endif
+#ifndef OPENSSL_NO_DSA
static ENGINE *engine_def_dsa = NULL;
+#endif
+#ifndef OPENSSL_NO_DH
static ENGINE *engine_def_dh = NULL;
+#endif
static ENGINE *engine_def_rand = NULL;
static ENGINE *engine_def_bn_mod_exp = NULL;
static ENGINE *engine_def_bn_mod_exp_crt = NULL;
* initialised to suitable start-up defaults. */
static int engine_def_flag = 0;
+/* When querying a ENGINE-specific control command's 'description', this string
+ * is used if the ENGINE_CMD_DEFN has cmd_desc set to NULL. */
+static const char *int_no_description = "";
+
/* This is used in certain static utility functions to save code
* repetition for per-algorithm functions. */
typedef enum {
*def = val;
val->struct_ref++;
val->funct_ref++;
+ engine_ref_debug(val, 0, 1)
+ engine_ref_debug(val, 1, 1)
}
/* In a slight break with convention - this static function must be
goto skip_set_defaults;
/* OK, we got a functional reference, so we get one each
* for the defaults too. */
+#ifndef OPENSSL_NO_RSA
engine_def_check_util(&engine_def_rsa, e);
+#endif
+#ifndef OPENSSL_NO_DSA
engine_def_check_util(&engine_def_dsa, e);
+#endif
+#ifndef OPENSSL_NO_DH
engine_def_check_util(&engine_def_dh, e);
+#endif
engine_def_check_util(&engine_def_rand, e);
engine_def_check_util(&engine_def_bn_mod_exp, e);
engine_def_check_util(&engine_def_bn_mod_exp_crt, e);
if((e->funct_ref == 0) && e->init)
/* This is the first functional reference and the engine
* requires initialisation so we do it now. */
- to_return = e->init();
+ to_return = e->init(e);
if(to_return)
{
/* OK, we return a functional reference which is also a
* structural reference. */
e->struct_ref++;
e->funct_ref++;
+ engine_ref_debug(e, 0, 1)
+ engine_ref_debug(e, 1, 1)
}
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return to_return;
return 0;
}
CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- if((e->funct_ref == 1) && e->finish)
-#if 0
- /* This is the last functional reference and the engine
- * requires cleanup so we do it now. */
- to_return = e->finish();
- if(to_return)
- {
- /* Cleanup the functional reference which is also a
- * structural reference. */
- e->struct_ref--;
- e->funct_ref--;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-#else
- /* I'm going to deliberately do a convoluted version of this
- * piece of code because we don't want "finish" functions
- * being called inside a locked block of code, if at all
- * possible. I'd rather have this call take an extra couple
- * of ticks than have throughput serialised on a externally-
- * provided callback function that may conceivably never come
- * back. :-( */
+ /* Reduce the functional reference count here so if it's the terminating
+ * case, we can release the lock safely and call the finish() handler
+ * without risk of a race. We get a race if we leave the count until
+ * after and something else is calling "finish" at the same time -
+ * there's a chance that both threads will together take the count from
+ * 2 to 0 without either calling finish(). */
+ e->funct_ref--;
+ engine_ref_debug(e, 1, -1)
+ if((e->funct_ref == 0) && e->finish)
{
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- /* CODE ALERT: This *IS* supposed to be "=" and NOT "==" :-) */
- if((to_return = e->finish()))
+ if(!(to_return = e->finish(e)))
{
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- /* Cleanup the functional reference which is also a
- * structural reference. */
- e->struct_ref--;
- e->funct_ref--;
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ ENGINEerr(ENGINE_F_ENGINE_FINISH,ENGINE_R_FINISH_FAILED);
+ return 0;
}
}
else
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+#ifdef REF_CHECK
+ if(e->funct_ref < 0)
+ {
+ fprintf(stderr,"ENGINE_finish, bad functional reference count\n");
+ abort();
+ }
#endif
+ /* Release the structural reference too */
+ if(!ENGINE_free(e))
+ {
+ ENGINEerr(ENGINE_F_ENGINE_FINISH,ENGINE_R_FINISH_FAILED);
+ return 0;
+ }
return to_return;
}
EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
- const char *passphrase)
+ UI_METHOD *ui_method, void *callback_data)
{
EVP_PKEY *pkey;
CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
if(e->funct_ref == 0)
{
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
ENGINE_R_NOT_INITIALISED);
return 0;
}
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
if (!e->load_privkey)
{
ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
ENGINE_R_NO_LOAD_FUNCTION);
return 0;
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- pkey = e->load_privkey(key_id, passphrase);
+ pkey = e->load_privkey(e, key_id, ui_method, callback_data);
if (!pkey)
{
ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
}
EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
- const char *passphrase)
+ UI_METHOD *ui_method, void *callback_data)
{
EVP_PKEY *pkey;
CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
if(e->funct_ref == 0)
{
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
ENGINE_R_NOT_INITIALISED);
return 0;
}
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
if (!e->load_pubkey)
{
ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
ENGINE_R_NO_LOAD_FUNCTION);
return 0;
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- pkey = e->load_pubkey(key_id, passphrase);
+ pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
if (!pkey)
{
ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
return pkey;
}
+/* These internal functions handle 'CMD'-related control commands when the
+ * ENGINE in question has asked us to take care of it (ie. the ENGINE did not
+ * set the ENGINE_FLAGS_MANUAL_CMD_CTRL flag. */
+
+static int int_ctrl_cmd_is_null(const ENGINE_CMD_DEFN *defn)
+ {
+ if((defn->cmd_num == 0) || (defn->cmd_name == NULL))
+ return 1;
+ return 0;
+ }
+
+static int int_ctrl_cmd_by_name(const ENGINE_CMD_DEFN *defn, const char *s)
+ {
+ int idx = 0;
+ while(!int_ctrl_cmd_is_null(defn) && (strcmp(defn->cmd_name, s) != 0))
+ {
+ idx++;
+ defn++;
+ }
+ if(int_ctrl_cmd_is_null(defn))
+ /* The given name wasn't found */
+ return -1;
+ return idx;
+ }
+
+static int int_ctrl_cmd_by_num(const ENGINE_CMD_DEFN *defn, unsigned int num)
+ {
+ int idx = 0;
+ /* NB: It is stipulated that 'cmd_defn' lists are ordered by cmd_num. So
+ * our searches don't need to take any longer than necessary. */
+ while(!int_ctrl_cmd_is_null(defn) && (defn->cmd_num < num))
+ {
+ idx++;
+ defn++;
+ }
+ if(defn->cmd_num == num)
+ return idx;
+ /* The given cmd_num wasn't found */
+ return -1;
+ }
+
+static int int_ctrl_helper(ENGINE *e, int cmd, long i, void *p, void (*f)())
+ {
+ int idx;
+ char *s = (char *)p;
+ /* Take care of the easy one first (eg. it requires no searches) */
+ if(cmd == ENGINE_CTRL_GET_FIRST_CMD_TYPE)
+ {
+ if((e->cmd_defns == NULL) || int_ctrl_cmd_is_null(e->cmd_defns))
+ return 0;
+ return e->cmd_defns->cmd_num;
+ }
+ /* One or two commands require that "p" be a valid string buffer */
+ if((cmd == ENGINE_CTRL_GET_CMD_FROM_NAME) ||
+ (cmd == ENGINE_CTRL_GET_NAME_FROM_CMD) ||
+ (cmd == ENGINE_CTRL_GET_DESC_FROM_CMD))
+ {
+ if(s == NULL)
+ {
+ ENGINEerr(ENGINE_F_INT_CTRL_HELPER,
+ ERR_R_PASSED_NULL_PARAMETER);
+ return -1;
+ }
+ }
+ /* Now handle cmd_name -> cmd_num conversion */
+ if(cmd == ENGINE_CTRL_GET_CMD_FROM_NAME)
+ {
+ if((e->cmd_defns == NULL) || ((idx = int_ctrl_cmd_by_name(
+ e->cmd_defns, s)) < 0))
+ {
+ ENGINEerr(ENGINE_F_INT_CTRL_HELPER,
+ ENGINE_R_INVALID_CMD_NAME);
+ return -1;
+ }
+ return e->cmd_defns[idx].cmd_num;
+ }
+ /* For the rest of the commands, the 'long' argument must specify a
+ * valie command number - so we need to conduct a search. */
+ if((e->cmd_defns == NULL) || ((idx = int_ctrl_cmd_by_num(e->cmd_defns,
+ (unsigned int)i)) < 0))
+ {
+ ENGINEerr(ENGINE_F_INT_CTRL_HELPER,
+ ENGINE_R_INVALID_CMD_NUMBER);
+ return -1;
+ }
+ /* Now the logic splits depending on command type */
+ switch(cmd)
+ {
+ case ENGINE_CTRL_GET_NEXT_CMD_TYPE:
+ idx++;
+ if(int_ctrl_cmd_is_null(e->cmd_defns + idx))
+ /* end-of-list */
+ return 0;
+ else
+ return e->cmd_defns[idx].cmd_num;
+ case ENGINE_CTRL_GET_NAME_LEN_FROM_CMD:
+ return strlen(e->cmd_defns[idx].cmd_name);
+ case ENGINE_CTRL_GET_NAME_FROM_CMD:
+ return sprintf(s, "%s", e->cmd_defns[idx].cmd_name);
+ case ENGINE_CTRL_GET_DESC_LEN_FROM_CMD:
+ if(e->cmd_defns[idx].cmd_desc)
+ return strlen(e->cmd_defns[idx].cmd_desc);
+ return strlen(int_no_description);
+ case ENGINE_CTRL_GET_DESC_FROM_CMD:
+ if(e->cmd_defns[idx].cmd_desc)
+ return sprintf(s, "%s", e->cmd_defns[idx].cmd_desc);
+ return sprintf(s, "%s", int_no_description);
+ case ENGINE_CTRL_GET_CMD_FLAGS:
+ return e->cmd_defns[idx].cmd_flags;
+ }
+ /* Shouldn't really be here ... */
+ ENGINEerr(ENGINE_F_INT_CTRL_HELPER,ENGINE_R_INTERNAL_LIST_ERROR);
+ return -1;
+ }
+
int ENGINE_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
{
+ int ctrl_exists, ref_exists;
if(e == NULL)
{
ENGINEerr(ENGINE_F_ENGINE_CTRL,ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- if(e->struct_ref == 0)
+ ref_exists = ((e->struct_ref > 0) ? 1 : 0);
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ ctrl_exists = ((e->ctrl == NULL) ? 0 : 1);
+ if(!ref_exists)
{
ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_REFERENCE);
return 0;
}
- if (!e->ctrl)
+ /* Intercept any "root-level" commands before trying to hand them on to
+ * ctrl() handlers. */
+ switch(cmd)
+ {
+ case ENGINE_CTRL_HAS_CTRL_FUNCTION:
+ return ctrl_exists;
+ case ENGINE_CTRL_GET_FIRST_CMD_TYPE:
+ case ENGINE_CTRL_GET_NEXT_CMD_TYPE:
+ case ENGINE_CTRL_GET_CMD_FROM_NAME:
+ case ENGINE_CTRL_GET_NAME_LEN_FROM_CMD:
+ case ENGINE_CTRL_GET_NAME_FROM_CMD:
+ case ENGINE_CTRL_GET_DESC_LEN_FROM_CMD:
+ case ENGINE_CTRL_GET_DESC_FROM_CMD:
+ case ENGINE_CTRL_GET_CMD_FLAGS:
+ if(ctrl_exists && !(e->flags & ENGINE_FLAGS_MANUAL_CMD_CTRL))
+ return int_ctrl_helper(e,cmd,i,p,f);
+ if(!ctrl_exists)
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_CONTROL_FUNCTION);
+ /* For these cmd-related functions, failure is indicated
+ * by a -1 return value (because 0 is used as a valid
+ * return in some places). */
+ return -1;
+ }
+ default:
+ break;
+ }
+ /* Anything else requires a ctrl() handler to exist. */
+ if(!ctrl_exists)
{
ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_CONTROL_FUNCTION);
return 0;
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- return e->ctrl(cmd, i, p, f);
+ return e->ctrl(e, cmd, i, p, f);
+ }
+
+int ENGINE_cmd_is_executable(ENGINE *e, int cmd)
+ {
+ int flags;
+ if((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, cmd, NULL, NULL)) < 0)
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CMD_IS_EXECUTABLE,
+ ENGINE_R_INVALID_CMD_NUMBER);
+ return 0;
+ }
+ if(!(flags & ENGINE_CMD_FLAG_NO_INPUT) &&
+ !(flags & ENGINE_CMD_FLAG_NUMERIC) &&
+ !(flags & ENGINE_CMD_FLAG_STRING))
+ return 0;
+ return 1;
+ }
+
+int ENGINE_ctrl_cmd(ENGINE *e, const char *cmd_name,
+ long i, void *p, void (*f)(), int cmd_optional)
+ {
+ int num;
+
+ if((e == NULL) || (cmd_name == NULL))
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+ if((e->ctrl == NULL) || ((num = ENGINE_ctrl(e,
+ ENGINE_CTRL_GET_CMD_FROM_NAME,
+ 0, (void *)cmd_name, NULL)) <= 0))
+ {
+ /* If the command didn't *have* to be supported, we fake
+ * success. This allows certain settings to be specified for
+ * multiple ENGINEs and only require a change of ENGINE id
+ * (without having to selectively apply settings). Eg. changing
+ * from a hardware device back to the regular software ENGINE
+ * without editing the config file, etc. */
+ if(cmd_optional)
+ {
+ ERR_clear_error();
+ return 1;
+ }
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD,
+ ENGINE_R_INVALID_CMD_NAME);
+ return 0;
+ }
+ /* Force the result of the control command to 0 or 1, for the reasons
+ * mentioned before. */
+ if (ENGINE_ctrl(e, num, i, p, f))
+ return 1;
+ return 0;
+ }
+
+int ENGINE_ctrl_cmd_string(ENGINE *e, const char *cmd_name, const char *arg,
+ int cmd_optional)
+ {
+ int num, flags;
+ long l;
+ char *ptr;
+ if((e == NULL) || (cmd_name == NULL))
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+ if((e->ctrl == NULL) || ((num = ENGINE_ctrl(e,
+ ENGINE_CTRL_GET_CMD_FROM_NAME,
+ 0, (void *)cmd_name, NULL)) <= 0))
+ {
+ /* If the command didn't *have* to be supported, we fake
+ * success. This allows certain settings to be specified for
+ * multiple ENGINEs and only require a change of ENGINE id
+ * (without having to selectively apply settings). Eg. changing
+ * from a hardware device back to the regular software ENGINE
+ * without editing the config file, etc. */
+ if(cmd_optional)
+ {
+ ERR_clear_error();
+ return 1;
+ }
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ENGINE_R_INVALID_CMD_NAME);
+ return 0;
+ }
+ if(!ENGINE_cmd_is_executable(e, num))
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ENGINE_R_CMD_NOT_EXECUTABLE);
+ return 0;
+ }
+ if((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num, NULL, NULL)) < 0)
+ {
+ /* Shouldn't happen, given that ENGINE_cmd_is_executable()
+ * returned success. */
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ENGINE_R_INTERNAL_LIST_ERROR);
+ return 0;
+ }
+ /* If the command takes no input, there must be no input. And vice
+ * versa. */
+ if(flags & ENGINE_CMD_FLAG_NO_INPUT)
+ {
+ if(arg != NULL)
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ENGINE_R_COMMAND_TAKES_NO_INPUT);
+ return 0;
+ }
+ /* We deliberately force the result of ENGINE_ctrl() to 0 or 1
+ * rather than returning it as "return data". This is to ensure
+ * usage of these commands is consistent across applications and
+ * that certain applications don't understand it one way, and
+ * others another. */
+ if(ENGINE_ctrl(e, num, 0, (void *)arg, NULL))
+ return 1;
+ return 0;
+ }
+ /* So, we require input */
+ if(arg == NULL)
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ENGINE_R_COMMAND_TAKES_INPUT);
+ return 0;
+ }
+ /* If it takes string input, that's easy */
+ if(flags & ENGINE_CMD_FLAG_STRING)
+ {
+ /* Same explanation as above */
+ if(ENGINE_ctrl(e, num, 0, (void *)arg, NULL))
+ return 1;
+ return 0;
+ }
+ /* If it doesn't take numeric either, then it is unsupported for use in
+ * a config-setting situation, which is what this function is for. This
+ * should never happen though, because ENGINE_cmd_is_executable() was
+ * used. */
+ if(!(flags & ENGINE_CMD_FLAG_NUMERIC))
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ENGINE_R_INTERNAL_LIST_ERROR);
+ return 0;
+ }
+ l = strtol(arg, &ptr, 10);
+ if((arg == ptr) || (*ptr != '\0'))
+ {
+ ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
+ ENGINE_R_ARGUMENT_IS_NOT_A_NUMBER);
+ return 0;
+ }
+ /* Force the result of the control command to 0 or 1, for the reasons
+ * mentioned before. */
+ if(ENGINE_ctrl(e, num, l, NULL, NULL))
+ return 1;
+ return 0;
}
static ENGINE *engine_get_default_type(ENGINE_TYPE t)
CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
switch(t)
{
+#ifndef OPENSSL_NO_RSA
case ENGINE_TYPE_RSA:
ret = engine_def_rsa; break;
+#endif
+#ifndef OPENSSL_NO_DSA
case ENGINE_TYPE_DSA:
ret = engine_def_dsa; break;
+#endif
+#ifndef OPENSSL_NO_DH
case ENGINE_TYPE_DH:
ret = engine_def_dh; break;
+#endif
case ENGINE_TYPE_RAND:
ret = engine_def_rand; break;
case ENGINE_TYPE_BN_MOD_EXP:
ret = engine_def_bn_mod_exp; break;
case ENGINE_TYPE_BN_MOD_EXP_CRT:
ret = engine_def_bn_mod_exp_crt; break;
+ default:
+ break;
}
/* Unforunately we can't do this work outside the lock with a
* call to ENGINE_init() because that would leave a race
{
ret->struct_ref++;
ret->funct_ref++;
+ engine_ref_debug(ret, 0, 1)
+ engine_ref_debug(ret, 1, 1)
}
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return ret;
}
+#ifndef OPENSSL_NO_RSA
ENGINE *ENGINE_get_default_RSA(void)
{
return engine_get_default_type(ENGINE_TYPE_RSA);
}
+#endif
+#ifndef OPENSSL_NO_DSA
ENGINE *ENGINE_get_default_DSA(void)
{
return engine_get_default_type(ENGINE_TYPE_DSA);
}
+#endif
+#ifndef OPENSSL_NO_DH
ENGINE *ENGINE_get_default_DH(void)
{
return engine_get_default_type(ENGINE_TYPE_DH);
}
+#endif
ENGINE *ENGINE_get_default_RAND(void)
{
{
ENGINE *old = NULL;
- if(e == NULL)
- {
- ENGINEerr(ENGINE_F_ENGINE_SET_DEFAULT_TYPE,
- ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
/* engine_def_check is lean and mean and won't replace any
* prior default engines ... so we must ensure that it is always
* the first function to get to touch the default values. */
/* Attempt to get a functional reference (we need one anyway, but
* also, 'e' may be just a structural reference being passed in so
* this call may actually be the first). */
- if(!ENGINE_init(e))
+ if(e && !ENGINE_init(e))
{
ENGINEerr(ENGINE_F_ENGINE_SET_DEFAULT_TYPE,
ENGINE_R_INIT_FAILED);
CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
switch(t)
{
+#ifndef OPENSSL_NO_RSA
case ENGINE_TYPE_RSA:
old = engine_def_rsa;
engine_def_rsa = e; break;
+#endif
+#ifndef OPENSSL_NO_DSA
case ENGINE_TYPE_DSA:
old = engine_def_dsa;
engine_def_dsa = e; break;
+#endif
+#ifndef OPENSSL_NO_DH
case ENGINE_TYPE_DH:
old = engine_def_dh;
engine_def_dh = e; break;
+#endif
case ENGINE_TYPE_RAND:
old = engine_def_rand;
engine_def_rand = e; break;
case ENGINE_TYPE_BN_MOD_EXP_CRT:
old = engine_def_bn_mod_exp_crt;
engine_def_bn_mod_exp_crt = e; break;
+ default:
+ break;
}
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
/* If we've replaced a previous value, then we need to remove the
return 1;
}
+#ifndef OPENSSL_NO_RSA
int ENGINE_set_default_RSA(ENGINE *e)
{
return engine_set_default_type(ENGINE_TYPE_RSA, e);
}
+#endif
+#ifndef OPENSSL_NO_DSA
int ENGINE_set_default_DSA(ENGINE *e)
{
return engine_set_default_type(ENGINE_TYPE_DSA, e);
}
+#endif
+#ifndef OPENSSL_NO_DH
int ENGINE_set_default_DH(ENGINE *e)
{
return engine_set_default_type(ENGINE_TYPE_DH, e);
}
+#endif
int ENGINE_set_default_RAND(ENGINE *e)
{
int ENGINE_set_default(ENGINE *e, unsigned int flags)
{
+#ifndef OPENSSL_NO_RSA
if((flags & ENGINE_METHOD_RSA) && e->rsa_meth &&
!ENGINE_set_default_RSA(e))
return 0;
+#endif
+#ifndef OPENSSL_NO_DSA
if((flags & ENGINE_METHOD_DSA) && e->dsa_meth &&
!ENGINE_set_default_DSA(e))
return 0;
+#endif
+#ifndef OPENSSL_NO_DH
if((flags & ENGINE_METHOD_DH) && e->dh_meth &&
!ENGINE_set_default_DH(e))
return 0;
+#endif
if((flags & ENGINE_METHOD_RAND) && e->rand_meth &&
!ENGINE_set_default_RAND(e))
return 0;
return 1;
}
+int ENGINE_clear_defaults(void)
+ {
+ /* If the defaults haven't even been set yet, don't bother. Any kind of
+ * "cleanup" has a kind of implicit race-condition if another thread is
+ * trying to keep going, so we don't address that with locking. The
+ * first ENGINE_set_default_*** call will actually *create* a standard
+ * set of default ENGINEs (including init() and functional reference
+ * counts aplenty) before the rest of this function undoes them all. So
+ * save some hassle ... */
+ if(!engine_def_flag)
+ return 1;
+ if((0 == 1) ||
+#ifndef OPENSSL_NO_RSA
+ !ENGINE_set_default_RSA(NULL) ||
+#endif
+#ifndef OPENSSL_NO_DSA
+ !ENGINE_set_default_DSA(NULL) ||
+#endif
+#ifndef OPENSSL_NO_DH
+ !ENGINE_set_default_DH(NULL) ||
+#endif
+ !ENGINE_set_default_RAND(NULL) ||
+ !ENGINE_set_default_BN_mod_exp(NULL) ||
+ !ENGINE_set_default_BN_mod_exp_crt(NULL) ||
+ !RAND_set_rand_method(NULL))
+ return 0;
+ return 1;
+ }
+
projects / openssl.git / blobdiff