ref: e86bd6a50933e99899d63de755d81b9805827a15
dir: /third_party/boringssl/src/crypto/asn1/a_bool.c/
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.] */
#include <openssl/asn1.h>
#include <openssl/err.h>
#include <openssl/mem.h>
int i2d_ASN1_BOOLEAN(ASN1_BOOLEAN a, unsigned char **pp)
{
int r;
unsigned char *p, *allocated = NULL;
r = ASN1_object_size(0, 1, V_ASN1_BOOLEAN);
if (pp == NULL)
return (r);
if (*pp == NULL) {
if ((p = allocated = OPENSSL_malloc(r)) == NULL) {
OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
return -1;
}
} else {
p = *pp;
}
ASN1_put_object(&p, 0, 1, V_ASN1_BOOLEAN, V_ASN1_UNIVERSAL);
*p = a ? 0xff : 0x00;
/*
* If a new buffer was allocated, just return it back.
* If not, return the incremented buffer pointer.
*/
*pp = allocated != NULL ? allocated : p + 1;
return r;
}
ASN1_BOOLEAN d2i_ASN1_BOOLEAN(ASN1_BOOLEAN *a, const unsigned char **pp,
long length) {
const unsigned char *p = *pp;
long len;
int inf, tag, xclass;
inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
if (inf & 0x80) {
OPENSSL_PUT_ERROR(ASN1, ASN1_R_BAD_OBJECT_HEADER);
return -1;
}
if (inf & V_ASN1_CONSTRUCTED) {
OPENSSL_PUT_ERROR(ASN1, ASN1_R_TYPE_NOT_PRIMITIVE);
return -1;
}
if (tag != V_ASN1_BOOLEAN || xclass != V_ASN1_UNIVERSAL) {
OPENSSL_PUT_ERROR(ASN1, ASN1_R_EXPECTING_A_BOOLEAN);
return -1;
}
if (len != 1) {
OPENSSL_PUT_ERROR(ASN1, ASN1_R_BOOLEAN_IS_WRONG_LENGTH);
return -1;
}
ASN1_BOOLEAN ret = (ASN1_BOOLEAN)*(p++);
if (a != NULL) {
(*a) = ret;
}
*pp = p;
return ret;
}