- if(!ctx->dynamic_dso)
- ctx->dynamic_dso = DSO_new();
- if(!ctx->DYNAMIC_LIBNAME)
- {
- if(!ctx->engine_id)
- return 0;
- ctx->DYNAMIC_LIBNAME =
- DSO_convert_filename(ctx->dynamic_dso, ctx->engine_id);
- }
- if(!int_load(ctx))
- {
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
- ENGINE_R_DSO_NOT_FOUND);
- DSO_free(ctx->dynamic_dso);
- ctx->dynamic_dso = NULL;
- return 0;
- }
- /* We have to find a bind function otherwise it'll always end badly */
- if(!(ctx->bind_engine = (dynamic_bind_engine)DSO_bind_func(
- ctx->dynamic_dso, ctx->DYNAMIC_F2)))
- {
- ctx->bind_engine = NULL;
- DSO_free(ctx->dynamic_dso);
- ctx->dynamic_dso = NULL;
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
- ENGINE_R_DSO_FAILURE);
- return 0;
- }
- /* Do we perform version checking? */
- if(!ctx->no_vcheck)
- {
- unsigned long vcheck_res = 0;
- /* Now we try to find a version checking function and decide how
- * to cope with failure if/when it fails. */
- ctx->v_check = (dynamic_v_check_fn)DSO_bind_func(
- ctx->dynamic_dso, ctx->DYNAMIC_F1);
- if(ctx->v_check)
- vcheck_res = ctx->v_check(OSSL_DYNAMIC_VERSION);
- /* We fail if the version checker veto'd the load *or* if it is
- * deferring to us (by returning its version) and we think it is
- * too old. */
- if(vcheck_res < OSSL_DYNAMIC_OLDEST)
- {
- /* Fail */
- ctx->bind_engine = NULL;
- ctx->v_check = NULL;
- DSO_free(ctx->dynamic_dso);
- ctx->dynamic_dso = NULL;
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
- ENGINE_R_VERSION_INCOMPATIBILITY);
- return 0;
- }
- }
- /* First binary copy the ENGINE structure so that we can roll back if
- * the hand-over fails */
- memcpy(&cpy, e, sizeof(ENGINE));
- /* Provide the ERR, "ex_data", memory, and locking callbacks so the
- * loaded library uses our state rather than its own. FIXME: As noted in
- * engine.h, much of this would be simplified if each area of code
- * provided its own "summary" structure of all related callbacks. It
- * would also increase opaqueness. */
- fns.static_state = ENGINE_get_static_state();
- fns.err_fns = ERR_get_implementation();
- fns.ex_data_fns = CRYPTO_get_ex_data_implementation();
- CRYPTO_get_mem_functions(&fns.mem_fns.malloc_cb,
- &fns.mem_fns.realloc_cb,
- &fns.mem_fns.free_cb);
- fns.lock_fns.lock_locking_cb = CRYPTO_get_locking_callback();
- fns.lock_fns.lock_add_lock_cb = CRYPTO_get_add_lock_callback();
- fns.lock_fns.dynlock_create_cb = CRYPTO_get_dynlock_create_callback();
- fns.lock_fns.dynlock_lock_cb = CRYPTO_get_dynlock_lock_callback();
- fns.lock_fns.dynlock_destroy_cb = CRYPTO_get_dynlock_destroy_callback();
- /* Now that we've loaded the dynamic engine, make sure no "dynamic"
- * ENGINE elements will show through. */
- engine_set_all_null(e);
+ if (ctx->dynamic_dso == NULL)
+ ctx->dynamic_dso = DSO_new();
+ if (ctx->dynamic_dso == NULL)
+ return 0;
+ if (!ctx->DYNAMIC_LIBNAME) {
+ if (!ctx->engine_id)
+ return 0;
+ DSO_ctrl(ctx->dynamic_dso, DSO_CTRL_SET_FLAGS,
+ DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL);
+ ctx->DYNAMIC_LIBNAME =
+ DSO_convert_filename(ctx->dynamic_dso, ctx->engine_id);
+ }
+ if (!int_load(ctx)) {
+ ENGINEerr(ENGINE_F_DYNAMIC_LOAD, ENGINE_R_DSO_NOT_FOUND);
+ DSO_free(ctx->dynamic_dso);
+ ctx->dynamic_dso = NULL;
+ return 0;
+ }
+ /* We have to find a bind function otherwise it'll always end badly */
+ if (!
+ (ctx->bind_engine =
+ (dynamic_bind_engine) DSO_bind_func(ctx->dynamic_dso,
+ ctx->DYNAMIC_F2))) {
+ ctx->bind_engine = NULL;
+ DSO_free(ctx->dynamic_dso);
+ ctx->dynamic_dso = NULL;
+ ENGINEerr(ENGINE_F_DYNAMIC_LOAD, ENGINE_R_DSO_FAILURE);
+ return 0;
+ }
+ /* Do we perform version checking? */
+ if (!ctx->no_vcheck) {
+ unsigned long vcheck_res = 0;
+ /*
+ * Now we try to find a version checking function and decide how to
+ * cope with failure if/when it fails.
+ */
+ ctx->v_check =
+ (dynamic_v_check_fn) DSO_bind_func(ctx->dynamic_dso,
+ ctx->DYNAMIC_F1);
+ if (ctx->v_check)
+ vcheck_res = ctx->v_check(OSSL_DYNAMIC_VERSION);
+ /*
+ * We fail if the version checker veto'd the load *or* if it is
+ * deferring to us (by returning its version) and we think it is too
+ * old.
+ */
+ if (vcheck_res < OSSL_DYNAMIC_OLDEST) {
+ /* Fail */
+ ctx->bind_engine = NULL;
+ ctx->v_check = NULL;
+ DSO_free(ctx->dynamic_dso);
+ ctx->dynamic_dso = NULL;
+ ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
+ ENGINE_R_VERSION_INCOMPATIBILITY);
+ return 0;
+ }
+ }
+ /*
+ * First binary copy the ENGINE structure so that we can roll back if the
+ * hand-over fails
+ */
+ memcpy(&cpy, e, sizeof(ENGINE));
+ /*
+ * Provide the ERR, "ex_data", memory, and locking callbacks so the
+ * loaded library uses our state rather than its own. FIXME: As noted in
+ * engine.h, much of this would be simplified if each area of code
+ * provided its own "summary" structure of all related callbacks. It
+ * would also increase opaqueness.
+ */
+ fns.static_state = ENGINE_get_static_state();
+ CRYPTO_get_mem_functions(&fns.mem_fns.malloc_fn, &fns.mem_fns.realloc_fn,
+ &fns.mem_fns.free_fn);
+ /*
+ * Now that we've loaded the dynamic engine, make sure no "dynamic"
+ * ENGINE elements will show through.
+ */
+ engine_set_all_null(e);