| 1 | /*
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| 2 | * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include "crypto/ctype.h"
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| 12 | #include <openssl/crypto.h>
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| 13 | #include "internal/cryptlib.h"
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| 14 | #include <openssl/conf.h>
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| 15 | #include <openssl/x509.h>
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| 16 | #include "crypto/asn1.h"
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| 17 | #include "crypto/objects.h"
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| 18 |
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| 19 | /* Simple ASN1 OID module: add all objects in a given section */
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| 20 |
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| 21 | static int do_create(const char *value, const char *name);
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| 22 |
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| 23 | static int oid_module_init(CONF_IMODULE *md, const CONF *cnf)
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| 24 | {
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| 25 | int i;
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| 26 | const char *oid_section;
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| 27 | STACK_OF(CONF_VALUE) *sktmp;
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| 28 | CONF_VALUE *oval;
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| 29 |
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| 30 | oid_section = CONF_imodule_get_value(md);
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| 31 | if ((sktmp = NCONF_get_section(cnf, oid_section)) == NULL) {
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| 32 | ERR_raise(ERR_LIB_ASN1, ASN1_R_ERROR_LOADING_SECTION);
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| 33 | return 0;
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| 34 | }
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| 35 | for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
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| 36 | oval = sk_CONF_VALUE_value(sktmp, i);
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| 37 | if (!do_create(oval->value, oval->name)) {
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| 38 | ERR_raise(ERR_LIB_ASN1, ASN1_R_ADDING_OBJECT);
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| 39 | return 0;
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| 40 | }
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| 41 | }
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| 42 | return 1;
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| 43 | }
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| 44 |
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| 45 | static void oid_module_finish(CONF_IMODULE *md)
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| 46 | {
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| 47 | }
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| 48 |
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| 49 | void ASN1_add_oid_module(void)
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| 50 | {
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| 51 | CONF_module_add("oid_section", oid_module_init, oid_module_finish);
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| 52 | }
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| 53 |
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| 54 | /*-
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| 55 | * Create an OID based on a name value pair. Accept two formats.
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| 56 | * shortname = 1.2.3.4
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| 57 | * shortname = some long name, 1.2.3.4
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| 58 | */
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| 59 |
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| 60 | static int do_create(const char *value, const char *name)
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| 61 | {
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| 62 | int nid;
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| 63 | const char *ln, *ostr, *p;
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| 64 | char *lntmp = NULL;
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| 65 |
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| 66 | p = strrchr(value, ',');
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| 67 | if (p == NULL) {
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| 68 | ln = name;
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| 69 | ostr = value;
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| 70 | } else if (p == value) {
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| 71 | /* we started with a leading comma */
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| 72 | ln = name;
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| 73 | ostr = p + 1;
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| 74 | } else {
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| 75 | ln = value;
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| 76 | ostr = p + 1;
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| 77 | if (*ostr == '\0')
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| 78 | return 0;
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| 79 | while (ossl_isspace(*ostr))
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| 80 | ostr++;
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| 81 | while (ossl_isspace(*ln))
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| 82 | ln++;
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| 83 | p--;
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| 84 | while (ossl_isspace(*p)) {
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| 85 | if (p == ln)
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| 86 | return 0;
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| 87 | p--;
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| 88 | }
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| 89 | p++;
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| 90 | if ((lntmp = OPENSSL_malloc((p - ln) + 1)) == NULL) {
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| 91 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE);
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| 92 | return 0;
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| 93 | }
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| 94 | memcpy(lntmp, ln, p - ln);
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| 95 | lntmp[p - ln] = '\0';
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| 96 | ln = lntmp;
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| 97 | }
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| 98 |
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| 99 | nid = OBJ_create(ostr, name, ln);
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| 100 |
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| 101 | OPENSSL_free(lntmp);
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| 102 |
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| 103 | return nid != NID_undef;
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| 104 | }
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