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openssl/crypto/ocsp/v3_ocsp.c

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/*
* Copyright 2000-2016 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/ocsp.h>
# include "ocsp_local.h"
# include <openssl/x509v3.h>
# include "../x509v3/ext_dat.h"
/*
* OCSP extensions and a couple of CRL entry extensions
*/
static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *nonce,
BIO *out, int indent);
static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *nonce,
BIO *out, int indent);
static int i2r_object(const X509V3_EXT_METHOD *method, void *obj, BIO *out,
int indent);
static void *ocsp_nonce_new(void);
static int i2d_ocsp_nonce(void *a, unsigned char **pp);
static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length);
static void ocsp_nonce_free(void *a);
static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
BIO *out, int indent);
static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method,
void *nocheck, BIO *out, int indent);
static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, const char *str);
static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
BIO *bp, int ind);
const X509V3_EXT_METHOD v3_ocsp_crlid = {
NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID),
0, 0, 0, 0,
0, 0,
0, 0,
i2r_ocsp_crlid, 0,
NULL
};
const X509V3_EXT_METHOD v3_ocsp_acutoff = {
NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
0, 0, 0, 0,
0, 0,
0, 0,
i2r_ocsp_acutoff, 0,
NULL
};
const X509V3_EXT_METHOD v3_crl_invdate = {
NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
0, 0, 0, 0,
0, 0,
0, 0,
i2r_ocsp_acutoff, 0,
NULL
};
const X509V3_EXT_METHOD v3_crl_hold = {
NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT),
0, 0, 0, 0,
0, 0,
0, 0,
i2r_object, 0,
NULL
};
const X509V3_EXT_METHOD v3_ocsp_nonce = {
NID_id_pkix_OCSP_Nonce, 0, NULL,
ocsp_nonce_new,
ocsp_nonce_free,
d2i_ocsp_nonce,
i2d_ocsp_nonce,
0, 0,
0, 0,
i2r_ocsp_nonce, 0,
NULL
};
const X509V3_EXT_METHOD v3_ocsp_nocheck = {
NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL),
0, 0, 0, 0,
0, s2i_ocsp_nocheck,
0, 0,
i2r_ocsp_nocheck, 0,
NULL
};
const X509V3_EXT_METHOD v3_ocsp_serviceloc = {
NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),
0, 0, 0, 0,
0, 0,
0, 0,
i2r_ocsp_serviceloc, 0,
NULL
};
static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *in, BIO *bp,
int ind)
{
OCSP_CRLID *a = in;
if (a->crlUrl) {
if (BIO_printf(bp, "%*scrlUrl: ", ind, "") <= 0)
goto err;
if (!ASN1_STRING_print(bp, (ASN1_STRING *)a->crlUrl))
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
if (a->crlNum) {
if (BIO_printf(bp, "%*scrlNum: ", ind, "") <= 0)
goto err;
if (i2a_ASN1_INTEGER(bp, a->crlNum) <= 0)
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
if (a->crlTime) {
if (BIO_printf(bp, "%*scrlTime: ", ind, "") <= 0)
goto err;
if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime))
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
return 1;
err:
return 0;
}
static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *cutoff,
BIO *bp, int ind)
{
if (BIO_printf(bp, "%*s", ind, "") <= 0)
return 0;
if (!ASN1_GENERALIZEDTIME_print(bp, cutoff))
return 0;
return 1;
}
static int i2r_object(const X509V3_EXT_METHOD *method, void *oid, BIO *bp,
int ind)
{
if (BIO_printf(bp, "%*s", ind, "") <= 0)
return 0;
if (i2a_ASN1_OBJECT(bp, oid) <= 0)
return 0;
return 1;
}
/*
* OCSP nonce. This is needs special treatment because it doesn't have an
* ASN1 encoding at all: it just contains arbitrary data.
*/
static void *ocsp_nonce_new(void)
{
return ASN1_OCTET_STRING_new();
}
static int i2d_ocsp_nonce(void *a, unsigned char **pp)
{
ASN1_OCTET_STRING *os = a;
if (pp) {
memcpy(*pp, os->data, os->length);
*pp += os->length;
}
return os->length;
}
static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
{
ASN1_OCTET_STRING *os, **pos;
pos = a;
if (pos == NULL || *pos == NULL) {
os = ASN1_OCTET_STRING_new();
if (os == NULL)
goto err;
} else {
os = *pos;
}
if (!ASN1_OCTET_STRING_set(os, *pp, length))
goto err;
*pp += length;
if (pos)
*pos = os;
return os;
err:
if ((pos == NULL) || (*pos != os))
ASN1_OCTET_STRING_free(os);
OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
return NULL;
}
static void ocsp_nonce_free(void *a)
{
ASN1_OCTET_STRING_free(a);
}
static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
BIO *out, int indent)
{
if (BIO_printf(out, "%*s", indent, "") <= 0)
return 0;
if (i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0)
return 0;
return 1;
}
/* Nocheck is just a single NULL. Don't print anything and always set it */
static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method, void *nocheck,
BIO *out, int indent)
{
return 1;
}
static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, const char *str)
{
return ASN1_NULL_new();
}
static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
BIO *bp, int ind)
{
int i;
OCSP_SERVICELOC *a = in;
ACCESS_DESCRIPTION *ad;
if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0)
goto err;
if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0)
goto err;
for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++) {
ad = sk_ACCESS_DESCRIPTION_value(a->locator, i);
if (BIO_printf(bp, "\n%*s", (2 * ind), "") <= 0)
goto err;
if (i2a_ASN1_OBJECT(bp, ad->method) <= 0)
goto err;
if (BIO_puts(bp, " - ") <= 0)
goto err;
if (GENERAL_NAME_print(bp, ad->location) <= 0)
goto err;
}
return 1;
err:
return 0;
}
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