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/*
* Copyright 2012-2017 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 <openssl/crypto.h>
#include "internal/cryptlib.h"
#include <openssl/conf.h>
#include <openssl/x509v3.h>
/* Multi string module: add table entries from a given section */
static int do_tcreate(const char *value, const char *name);
static int stbl_module_init(CONF_IMODULE *md, const CONF *cnf)
{
int i;
const char *stbl_section;
STACK_OF(CONF_VALUE) *sktmp;
CONF_VALUE *mval;
stbl_section = CONF_imodule_get_value(md);
if ((sktmp = NCONF_get_section(cnf, stbl_section)) == NULL) {
ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION);
return 0;
}
for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
mval = sk_CONF_VALUE_value(sktmp, i);
if (!do_tcreate(mval->value, mval->name)) {
ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_INVALID_VALUE);
return 0;
}
}
return 1;
}
static void stbl_module_finish(CONF_IMODULE *md)
{
ASN1_STRING_TABLE_cleanup();
}
void ASN1_add_stable_module(void)
{
CONF_module_add("stbl_section", stbl_module_init, stbl_module_finish);
}
/*
* Create an table entry based on a name value pair. format is oid_name =
* n1:v1, n2:v2,... where name is "min", "max", "mask" or "flags".
*/
static int do_tcreate(const char *value, const char *name)
{
char *eptr;
int nid, i, rv = 0;
long tbl_min = -1, tbl_max = -1;
unsigned long tbl_mask = 0, tbl_flags = 0;
STACK_OF(CONF_VALUE) *lst = NULL;
CONF_VALUE *cnf = NULL;
nid = OBJ_sn2nid(name);
if (nid == NID_undef)
nid = OBJ_ln2nid(name);
if (nid == NID_undef)
goto err;
lst = X509V3_parse_list(value);
if (!lst)
goto err;
for (i = 0; i < sk_CONF_VALUE_num(lst); i++) {
cnf = sk_CONF_VALUE_value(lst, i);
if (strcmp(cnf->name, "min") == 0) {
tbl_min = strtoul(cnf->value, &eptr, 0);
if (*eptr)
goto err;
} else if (strcmp(cnf->name, "max") == 0) {
tbl_max = strtoul(cnf->value, &eptr, 0);
if (*eptr)
goto err;
} else if (strcmp(cnf->name, "mask") == 0) {
if (!ASN1_str2mask(cnf->value, &tbl_mask) || !tbl_mask)
goto err;
} else if (strcmp(cnf->name, "flags") == 0) {
if (strcmp(cnf->value, "nomask") == 0)
tbl_flags = STABLE_NO_MASK;
else if (strcmp(cnf->value, "none") == 0)
tbl_flags = STABLE_FLAGS_CLEAR;
else
goto err;
} else
goto err;
}
rv = 1;
err:
if (rv == 0) {
ASN1err(ASN1_F_DO_TCREATE, ASN1_R_INVALID_STRING_TABLE_VALUE);
if (cnf)
ERR_add_error_data(4, "field=", cnf->name,
", value=", cnf->value);
else
ERR_add_error_data(4, "name=", name, ", value=", value);
} else {
rv = ASN1_STRING_TABLE_add(nid, tbl_min, tbl_max,
tbl_mask, tbl_flags);
if (!rv)
ASN1err(ASN1_F_DO_TCREATE, ERR_R_MALLOC_FAILURE);
}
sk_CONF_VALUE_pop_free(lst, X509V3_conf_free);
return rv;
}
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