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/*
* Copyright 2006-2021 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 "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/ts.h>
#include "ts_local.h"
TS_VERIFY_CTX *TS_VERIFY_CTX_new(void)
{
TS_VERIFY_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx == NULL)
TSerr(TS_F_TS_VERIFY_CTX_NEW, ERR_R_MALLOC_FAILURE);
return ctx;
}
void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx)
{
OPENSSL_assert(ctx != NULL);
memset(ctx, 0, sizeof(*ctx));
}
void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx)
{
if (!ctx)
return;
TS_VERIFY_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
int TS_VERIFY_CTX_add_flags(TS_VERIFY_CTX *ctx, int f)
{
ctx->flags |= f;
return ctx->flags;
}
int TS_VERIFY_CTX_set_flags(TS_VERIFY_CTX *ctx, int f)
{
ctx->flags = f;
return ctx->flags;
}
BIO *TS_VERIFY_CTX_set_data(TS_VERIFY_CTX *ctx, BIO *b)
{
ctx->data = b;
return ctx->data;
}
X509_STORE *TS_VERIFY_CTX_set_store(TS_VERIFY_CTX *ctx, X509_STORE *s)
{
ctx->store = s;
return ctx->store;
}
STACK_OF(X509) *TS_VERIFY_CTS_set_certs(TS_VERIFY_CTX *ctx,
STACK_OF(X509) *certs)
{
ctx->certs = certs;
return ctx->certs;
}
unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
unsigned char *hexstr, long len)
{
OPENSSL_free(ctx->imprint);
ctx->imprint = hexstr;
ctx->imprint_len = len;
return ctx->imprint;
}
void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx)
{
if (!ctx)
return;
X509_STORE_free(ctx->store);
sk_X509_pop_free(ctx->certs, X509_free);
ASN1_OBJECT_free(ctx->policy);
X509_ALGOR_free(ctx->md_alg);
OPENSSL_free(ctx->imprint);
BIO_free_all(ctx->data);
ASN1_INTEGER_free(ctx->nonce);
GENERAL_NAME_free(ctx->tsa_name);
TS_VERIFY_CTX_init(ctx);
}
TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx)
{
TS_VERIFY_CTX *ret = ctx;
ASN1_OBJECT *policy;
TS_MSG_IMPRINT *imprint;
X509_ALGOR *md_alg;
ASN1_OCTET_STRING *msg;
const ASN1_INTEGER *nonce;
OPENSSL_assert(req != NULL);
if (ret)
TS_VERIFY_CTX_cleanup(ret);
else if ((ret = TS_VERIFY_CTX_new()) == NULL)
return NULL;
ret->flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE);
if ((policy = req->policy_id) != NULL) {
if ((ret->policy = OBJ_dup(policy)) == NULL)
goto err;
} else
ret->flags &= ~TS_VFY_POLICY;
imprint = req->msg_imprint;
md_alg = imprint->hash_algo;
if ((ret->md_alg = X509_ALGOR_dup(md_alg)) == NULL)
goto err;
msg = imprint->hashed_msg;
ret->imprint_len = ASN1_STRING_length(msg);
if (ret->imprint_len <= 0)
goto err;
if ((ret->imprint = OPENSSL_malloc(ret->imprint_len)) == NULL)
goto err;
memcpy(ret->imprint, ASN1_STRING_get0_data(msg), ret->imprint_len);
if ((nonce = req->nonce) != NULL) {
if ((ret->nonce = ASN1_INTEGER_dup(nonce)) == NULL)
goto err;
} else
ret->flags &= ~TS_VFY_NONCE;
return ret;
err:
if (ctx)
TS_VERIFY_CTX_cleanup(ctx);
else
TS_VERIFY_CTX_free(ret);
return NULL;
}
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