v3_info.c
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/*
* Copyright 1999-2017 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 "internal/cryptlib.h"
#include <openssl/conf.h>
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/x509v3.h>
#include "ext_dat.h"
static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
*method, AUTHORITY_INFO_ACCESS
*ainfo, STACK_OF(CONF_VALUE)
*ret);
static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
*method,
X509V3_CTX *ctx,
STACK_OF(CONF_VALUE)
*nval);
const X509V3_EXT_METHOD v3_info = { NID_info_access, X509V3_EXT_MULTILINE,
ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
0, 0, 0, 0,
0, 0,
(X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
(X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
0, 0,
NULL
};
const X509V3_EXT_METHOD v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE,
ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
0, 0, 0, 0,
0, 0,
(X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
(X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
0, 0,
NULL
};
ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
} ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo,
STACK_OF(CONF_VALUE) *ret)
{
ACCESS_DESCRIPTION *desc;
int i, nlen;
char objtmp[80], *ntmp;
CONF_VALUE *vtmp;
STACK_OF(CONF_VALUE) *tret = ret;
for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
STACK_OF(CONF_VALUE) *tmp;
desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
tmp = i2v_GENERAL_NAME(method, desc->location, tret);
if (tmp == NULL)
goto err;
tret = tmp;
vtmp = sk_CONF_VALUE_value(tret, i);
i2t_ASN1_OBJECT(objtmp, sizeof(objtmp), desc->method);
nlen = strlen(objtmp) + 3 + strlen(vtmp->name) + 1;
ntmp = OPENSSL_malloc(nlen);
if (ntmp == NULL)
goto err;
BIO_snprintf(ntmp, nlen, "%s - %s", objtmp, vtmp->name);
OPENSSL_free(vtmp->name);
vtmp->name = ntmp;
}
if (ret == NULL && tret == NULL)
return sk_CONF_VALUE_new_null();
return tret;
err:
X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
if (ret == NULL && tret != NULL)
sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
return NULL;
}
static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
*method,
X509V3_CTX *ctx,
STACK_OF(CONF_VALUE)
*nval)
{
AUTHORITY_INFO_ACCESS *ainfo = NULL;
CONF_VALUE *cnf, ctmp;
ACCESS_DESCRIPTION *acc;
int i, objlen;
const int num = sk_CONF_VALUE_num(nval);
char *objtmp, *ptmp;
if ((ainfo = sk_ACCESS_DESCRIPTION_new_reserve(NULL, num)) == NULL) {
X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
return NULL;
}
for (i = 0; i < num; i++) {
cnf = sk_CONF_VALUE_value(nval, i);
if ((acc = ACCESS_DESCRIPTION_new()) == NULL) {
X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
ERR_R_MALLOC_FAILURE);
goto err;
}
sk_ACCESS_DESCRIPTION_push(ainfo, acc); /* Cannot fail due to reserve */
ptmp = strchr(cnf->name, ';');
if (!ptmp) {
X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
X509V3_R_INVALID_SYNTAX);
goto err;
}
objlen = ptmp - cnf->name;
ctmp.name = ptmp + 1;
ctmp.value = cnf->value;
if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
goto err;
if ((objtmp = OPENSSL_strndup(cnf->name, objlen)) == NULL) {
X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
ERR_R_MALLOC_FAILURE);
goto err;
}
acc->method = OBJ_txt2obj(objtmp, 0);
if (!acc->method) {
X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
X509V3_R_BAD_OBJECT);
ERR_add_error_data(2, "value=", objtmp);
OPENSSL_free(objtmp);
goto err;
}
OPENSSL_free(objtmp);
}
return ainfo;
err:
sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
return NULL;
}
int i2a_ACCESS_DESCRIPTION(BIO *bp, const ACCESS_DESCRIPTION *a)
{
i2a_ASN1_OBJECT(bp, a->method);
return 2;
}