112 lines
2.2 KiB
C
112 lines
2.2 KiB
C
|
/*
|
||
|
* Copyright 1995-2016 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/buffer.h>
|
||
|
#include <openssl/asn1.h>
|
||
|
|
||
|
#ifndef NO_OLD_ASN1
|
||
|
|
||
|
# ifndef OPENSSL_NO_STDIO
|
||
|
int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
|
||
|
{
|
||
|
BIO *b;
|
||
|
int ret;
|
||
|
|
||
|
if ((b = BIO_new(BIO_s_file())) == NULL) {
|
||
|
ASN1err(ASN1_F_ASN1_I2D_FP, ERR_R_BUF_LIB);
|
||
|
return 0;
|
||
|
}
|
||
|
BIO_set_fp(b, out, BIO_NOCLOSE);
|
||
|
ret = ASN1_i2d_bio(i2d, b, x);
|
||
|
BIO_free(b);
|
||
|
return ret;
|
||
|
}
|
||
|
# endif
|
||
|
|
||
|
int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
|
||
|
{
|
||
|
char *b;
|
||
|
unsigned char *p;
|
||
|
int i, j = 0, n, ret = 1;
|
||
|
|
||
|
n = i2d(x, NULL);
|
||
|
if (n <= 0)
|
||
|
return 0;
|
||
|
|
||
|
b = OPENSSL_malloc(n);
|
||
|
if (b == NULL) {
|
||
|
ASN1err(ASN1_F_ASN1_I2D_BIO, ERR_R_MALLOC_FAILURE);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
p = (unsigned char *)b;
|
||
|
i2d(x, &p);
|
||
|
|
||
|
for (;;) {
|
||
|
i = BIO_write(out, &(b[j]), n);
|
||
|
if (i == n)
|
||
|
break;
|
||
|
if (i <= 0) {
|
||
|
ret = 0;
|
||
|
break;
|
||
|
}
|
||
|
j += i;
|
||
|
n -= i;
|
||
|
}
|
||
|
OPENSSL_free(b);
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
#endif
|
||
|
|
||
|
#ifndef OPENSSL_NO_STDIO
|
||
|
int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x)
|
||
|
{
|
||
|
BIO *b;
|
||
|
int ret;
|
||
|
|
||
|
if ((b = BIO_new(BIO_s_file())) == NULL) {
|
||
|
ASN1err(ASN1_F_ASN1_ITEM_I2D_FP, ERR_R_BUF_LIB);
|
||
|
return 0;
|
||
|
}
|
||
|
BIO_set_fp(b, out, BIO_NOCLOSE);
|
||
|
ret = ASN1_item_i2d_bio(it, b, x);
|
||
|
BIO_free(b);
|
||
|
return ret;
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x)
|
||
|
{
|
||
|
unsigned char *b = NULL;
|
||
|
int i, j = 0, n, ret = 1;
|
||
|
|
||
|
n = ASN1_item_i2d(x, &b, it);
|
||
|
if (b == NULL) {
|
||
|
ASN1err(ASN1_F_ASN1_ITEM_I2D_BIO, ERR_R_MALLOC_FAILURE);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
for (;;) {
|
||
|
i = BIO_write(out, &(b[j]), n);
|
||
|
if (i == n)
|
||
|
break;
|
||
|
if (i <= 0) {
|
||
|
ret = 0;
|
||
|
break;
|
||
|
}
|
||
|
j += i;
|
||
|
n -= i;
|
||
|
}
|
||
|
OPENSSL_free(b);
|
||
|
return ret;
|
||
|
}
|