1 /* $OpenBSD: asn_moid.c,v 1.14 2022/01/07 11:13:54 tb Exp $ */ 2 /* Written by Stephen Henson (steve@openssl.org) for the OpenSSL 3 * project 2001. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 2001-2004 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 59 #include <ctype.h> 60 #include <stdio.h> 61 #include <string.h> 62 63 #include <openssl/err.h> 64 #include <openssl/conf.h> 65 #include <openssl/crypto.h> 66 #include <openssl/x509.h> 67 68 #include "asn1_locl.h" 69 70 /* Simple ASN1 OID module: add all objects in a given section */ 71 72 static int do_create(char *value, char *name); 73 74 static int 75 oid_module_init(CONF_IMODULE *md, const CONF *cnf) 76 { 77 int i; 78 const char *oid_section; 79 STACK_OF(CONF_VALUE) *sktmp; 80 CONF_VALUE *oval; 81 82 oid_section = CONF_imodule_get_value(md); 83 if (!(sktmp = NCONF_get_section(cnf, oid_section))) { 84 ASN1error(ASN1_R_ERROR_LOADING_SECTION); 85 return 0; 86 } 87 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 88 oval = sk_CONF_VALUE_value(sktmp, i); 89 if (!do_create(oval->value, oval->name)) { 90 ASN1error(ASN1_R_ADDING_OBJECT); 91 return 0; 92 } 93 } 94 return 1; 95 } 96 97 static void 98 oid_module_finish(CONF_IMODULE *md) 99 { 100 OBJ_cleanup(); 101 } 102 103 void 104 ASN1_add_oid_module(void) 105 { 106 CONF_module_add("oid_section", oid_module_init, oid_module_finish); 107 } 108 109 /* Create an OID based on a name value pair. Accept two formats. 110 * shortname = 1.2.3.4 111 * shortname = some long name, 1.2.3.4 112 */ 113 114 static int 115 do_create(char *value, char *name) 116 { 117 int nid; 118 ASN1_OBJECT *oid; 119 char *ln, *ostr, *p, *lntmp; 120 121 p = strrchr(value, ','); 122 if (!p) { 123 ln = name; 124 ostr = value; 125 } else { 126 ln = NULL; 127 ostr = p + 1; 128 if (!*ostr) 129 return 0; 130 while (isspace((unsigned char)*ostr)) 131 ostr++; 132 } 133 134 nid = OBJ_create(ostr, name, ln); 135 136 if (nid == NID_undef) 137 return 0; 138 139 if (p) { 140 ln = value; 141 while (isspace((unsigned char)*ln)) 142 ln++; 143 p--; 144 while (isspace((unsigned char)*p)) { 145 if (p == ln) 146 return 0; 147 p--; 148 } 149 p++; 150 lntmp = malloc((p - ln) + 1); 151 if (lntmp == NULL) 152 return 0; 153 memcpy(lntmp, ln, p - ln); 154 lntmp[p - ln] = 0; 155 oid = OBJ_nid2obj(nid); 156 oid->ln = lntmp; 157 } 158 159 return 1; 160 } 161