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/*
* Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "crypto/ctype.h"
#include <openssl/crypto.h>
#include "internal/cryptlib.h"
#include <openssl/conf.h>
#include <openssl/x509.h>
#include "crypto/asn1.h"
#include "crypto/objects.h"
/* Simple ASN1 OID module: add all objects in a given section */
static int do_create(const char *value, const char *name);
static int oid_module_init(CONF_IMODULE *md, const CONF *cnf)
{
int i;
const char *oid_section;
STACK_OF(CONF_VALUE) *sktmp;
CONF_VALUE *oval;
oid_section = CONF_imodule_get_value(md);
if ((sktmp = NCONF_get_section(cnf, oid_section)) == NULL) {
ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION);
return 0;
}
for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
oval = sk_CONF_VALUE_value(sktmp, i);
if (!do_create(oval->value, oval->name)) {
ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ADDING_OBJECT);
return 0;
}
}
return 1;
}
static void oid_module_finish(CONF_IMODULE *md)
{
}
void ASN1_add_oid_module(void)
{
CONF_module_add("oid_section", oid_module_init, oid_module_finish);
}
/*-
* Create an OID based on a name value pair. Accept two formats.
* shortname = 1.2.3.4
* shortname = some long name, 1.2.3.4
*/
static int do_create(const char *value, const char *name)
{
int nid;
const char *ln, *ostr, *p;
char *lntmp = NULL;
p = strrchr(value, ',');
if (p == NULL) {
ln = name;
ostr = value;
} else {
ln = value;
ostr = p + 1;
if (*ostr == '\0')
return 0;
while (ossl_isspace(*ostr))
ostr++;
while (ossl_isspace(*ln))
ln++;
p--;
while (ossl_isspace(*p)) {
if (p == ln)
return 0;
p--;
}
p++;
if ((lntmp = OPENSSL_malloc((p - ln) + 1)) == NULL) {
ASN1err(ASN1_F_DO_CREATE, ERR_R_MALLOC_FAILURE);
return 0;
}
memcpy(lntmp, ln, p - ln);
lntmp[p - ln] = '\0';
ln = lntmp;
}
nid = OBJ_create(ostr, name, ln);
OPENSSL_free(lntmp);
return nid != NID_undef;
}
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