1 /* Copyright (c) 2016, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #include <openssl/obj.h> 16 17 #include <assert.h> 18 #include <string.h> 19 20 #include <openssl/evp.h> 21 22 #include "../../crypto/internal.h" 23 24 25 struct wrapped_callback { 26 void (*callback)(const OBJ_NAME *, void *arg); 27 void *arg; 28 }; 29 30 static void cipher_callback(const EVP_CIPHER *cipher, const char *name, 31 const char *unused, void *arg) { 32 const struct wrapped_callback *wrapped = (struct wrapped_callback *)arg; 33 OBJ_NAME obj_name; 34 35 OPENSSL_memset(&obj_name, 0, sizeof(obj_name)); 36 obj_name.type = OBJ_NAME_TYPE_CIPHER_METH; 37 obj_name.name = name; 38 obj_name.data = (const char *)cipher; 39 40 wrapped->callback(&obj_name, wrapped->arg); 41 } 42 43 static void md_callback(const EVP_MD *md, const char *name, const char *unused, 44 void *arg) { 45 const struct wrapped_callback *wrapped = (struct wrapped_callback*) arg; 46 OBJ_NAME obj_name; 47 48 OPENSSL_memset(&obj_name, 0, sizeof(obj_name)); 49 obj_name.type = OBJ_NAME_TYPE_MD_METH; 50 obj_name.name = name; 51 obj_name.data = (const char *)md; 52 53 wrapped->callback(&obj_name, wrapped->arg); 54 } 55 56 void OBJ_NAME_do_all_sorted(int type, 57 void (*callback)(const OBJ_NAME *, void *arg), 58 void *arg) { 59 struct wrapped_callback wrapped; 60 wrapped.callback = callback; 61 wrapped.arg = arg; 62 63 if (type == OBJ_NAME_TYPE_CIPHER_METH) { 64 EVP_CIPHER_do_all_sorted(cipher_callback, &wrapped); 65 } else if (type == OBJ_NAME_TYPE_MD_METH) { 66 EVP_MD_do_all_sorted(md_callback, &wrapped); 67 } else { 68 assert(0); 69 } 70 } 71 72 void OBJ_NAME_do_all(int type, void (*callback)(const OBJ_NAME *, void *arg), 73 void *arg) { 74 OBJ_NAME_do_all_sorted(type, callback, arg); 75 } 76