hdkv/yuzu
1
Fork 0
Code Issues Pull Requests Releases 1 Activity

early-access version 1255

Browse Source
This commit is contained in:
pineappleEA
2020-12-28 15:15:37 +00:00
parent 84b39492d1
commit 78b48028e1
6254 changed files with 1868140 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

401
externals/libressl/crypto/asn1/a_object.c vendored Executable file
View File

@@ -0,0 +1,401 @@
/* $OpenBSD: a_object.c,v 1.31 2018/04/25 11:48:21 tb Exp $ */
/* 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 <limits.h>
#include <stdio.h>
#include <string.h>
#include <openssl/asn1.h>
#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/buffer.h>
#include <openssl/objects.h>
int
i2d_ASN1_OBJECT(const ASN1_OBJECT *a, unsigned char **pp)
{
unsigned char *p;
int objsize;
if ((a == NULL) || (a->data == NULL))
return (0);
objsize = ASN1_object_size(0, a->length, V_ASN1_OBJECT);
if (pp == NULL)
return objsize;
p = *pp;
ASN1_put_object(&p, 0, a->length, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
memcpy(p, a->data, a->length);
p += a->length;
*pp = p;
return (objsize);
}
int
a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num)
{
int i, first, len = 0, c, use_bn;
char ftmp[24], *tmp = ftmp;
int tmpsize = sizeof ftmp;
const char *p;
unsigned long l;
BIGNUM *bl = NULL;
if (num == 0)
return (0);
else if (num == -1)
num = strlen(buf);
p = buf;
c = *(p++);
num--;
if ((c >= '0') && (c <= '2')) {
first= c-'0';
} else {
ASN1error(ASN1_R_FIRST_NUM_TOO_LARGE);
goto err;
}
if (num <= 0) {
ASN1error(ASN1_R_MISSING_SECOND_NUMBER);
goto err;
}
c = *(p++);
num--;
for (;;) {
if (num <= 0)
break;
if ((c != '.') && (c != ' ')) {
ASN1error(ASN1_R_INVALID_SEPARATOR);
goto err;
}
l = 0;
use_bn = 0;
for (;;) {
if (num <= 0)
break;
num--;
c = *(p++);
if ((c == ' ') || (c == '.'))
break;
if ((c < '0') || (c > '9')) {
ASN1error(ASN1_R_INVALID_DIGIT);
goto err;
}
if (!use_bn && l >= ((ULONG_MAX - 80) / 10L)) {
use_bn = 1;
if (!bl)
bl = BN_new();
if (!bl || !BN_set_word(bl, l))
goto err;
}
if (use_bn) {
if (!BN_mul_word(bl, 10L) ||
!BN_add_word(bl, c-'0'))
goto err;
} else
l = l * 10L + (long)(c - '0');
}
if (len == 0) {
if ((first < 2) && (l >= 40)) {
ASN1error(ASN1_R_SECOND_NUMBER_TOO_LARGE);
goto err;
}
if (use_bn) {
if (!BN_add_word(bl, first * 40))
goto err;
} else
l += (long)first * 40;
}
i = 0;
if (use_bn) {
int blsize;
blsize = BN_num_bits(bl);
blsize = (blsize + 6) / 7;
if (blsize > tmpsize) {
if (tmp != ftmp)
free(tmp);
tmpsize = blsize + 32;
tmp = malloc(tmpsize);
if (!tmp)
goto err;
}
while (blsize--)
tmp[i++] = (unsigned char)BN_div_word(bl, 0x80L);
} else {
for (;;) {
tmp[i++] = (unsigned char)l & 0x7f;
l >>= 7L;
if (l == 0L)
break;
}
}
if (out != NULL) {
if (len + i > olen) {
ASN1error(ASN1_R_BUFFER_TOO_SMALL);
goto err;
}
while (--i > 0)
out[len++] = tmp[i]|0x80;
out[len++] = tmp[0];
} else
len += i;
}
if (tmp != ftmp)
free(tmp);
BN_free(bl);
return (len);
err:
if (tmp != ftmp)
free(tmp);
BN_free(bl);
return (0);
}
int
i2t_ASN1_OBJECT(char *buf, int buf_len, const ASN1_OBJECT *a)
{
return OBJ_obj2txt(buf, buf_len, a, 0);
}
int
i2a_ASN1_OBJECT(BIO *bp, const ASN1_OBJECT *a)
{
char *tmp = NULL;
size_t tlen = 256;
int i = -1;
if ((a == NULL) || (a->data == NULL))
return(BIO_write(bp, "NULL", 4));
if ((tmp = malloc(tlen)) == NULL)
return -1;
i = i2t_ASN1_OBJECT(tmp, tlen, a);
if (i > (int)(tlen - 1)) {
freezero(tmp, tlen);
if ((tmp = malloc(i + 1)) == NULL)
return -1;
tlen = i + 1;
i = i2t_ASN1_OBJECT(tmp, tlen, a);
}
if (i <= 0)
i = BIO_write(bp, "<INVALID>", 9);
else
i = BIO_write(bp, tmp, i);
freezero(tmp, tlen);
return (i);
}
ASN1_OBJECT *
d2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, long length)
{
const unsigned char *p;
long len;
int tag, xclass;
int inf, i;
ASN1_OBJECT *ret = NULL;
p = *pp;
inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
if (inf & 0x80) {
i = ASN1_R_BAD_OBJECT_HEADER;
goto err;
}
if (tag != V_ASN1_OBJECT) {
i = ASN1_R_EXPECTING_AN_OBJECT;
goto err;
}
ret = c2i_ASN1_OBJECT(a, &p, len);
if (ret)
*pp = p;
return ret;
err:
ASN1error(i);
return (NULL);
}
ASN1_OBJECT *
c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, long len)
{
ASN1_OBJECT *ret;
const unsigned char *p;
unsigned char *data;
int i, length;
/*
* Sanity check OID encoding:
* - need at least one content octet
* - MSB must be clear in the last octet
* - can't have leading 0x80 in subidentifiers, see: X.690 8.19.2
*/
if (len <= 0 || len > INT_MAX || pp == NULL || (p = *pp) == NULL ||
p[len - 1] & 0x80) {
ASN1error(ASN1_R_INVALID_OBJECT_ENCODING);
return (NULL);
}
/* Now 0 < len <= INT_MAX, so the cast is safe. */
length = (int)len;
for (i = 0; i < length; i++, p++) {
if (*p == 0x80 && (!i || !(p[-1] & 0x80))) {
ASN1error(ASN1_R_INVALID_OBJECT_ENCODING);
return (NULL);
}
}
/* only the ASN1_OBJECTs from the 'table' will have values
* for ->sn or ->ln */
if ((a == NULL) || ((*a) == NULL) ||
!((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC)) {
if ((ret = ASN1_OBJECT_new()) == NULL)
return (NULL);
} else
ret = *a;
p = *pp;
/* detach data from object */
data = (unsigned char *)ret->data;
freezero(data, ret->length);
data = malloc(length);
if (data == NULL) {
ASN1error(ERR_R_MALLOC_FAILURE);
goto err;
}
memcpy(data, p, length);
/* reattach data to object, after which it remains const */
ret->data = data;
ret->length = length;
ret->sn = NULL;
ret->ln = NULL;
ret->flags |= ASN1_OBJECT_FLAG_DYNAMIC_DATA;
p += length;
if (a != NULL)
*a = ret;
*pp = p;
return (ret);
err:
if (a == NULL || ret != *a)
ASN1_OBJECT_free(ret);
return (NULL);
}
ASN1_OBJECT *
ASN1_OBJECT_new(void)
{
ASN1_OBJECT *ret;
ret = malloc(sizeof(ASN1_OBJECT));
if (ret == NULL) {
ASN1error(ERR_R_MALLOC_FAILURE);
return (NULL);
}
ret->length = 0;
ret->data = NULL;
ret->nid = 0;
ret->sn = NULL;
ret->ln = NULL;
ret->flags = ASN1_OBJECT_FLAG_DYNAMIC;
return (ret);
}
void
ASN1_OBJECT_free(ASN1_OBJECT *a)
{
if (a == NULL)
return;
if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS) {
free((void *)a->sn);
free((void *)a->ln);
a->sn = a->ln = NULL;
}
if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) {
freezero((void *)a->data, a->length);
a->data = NULL;
a->length = 0;
}
if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC)
free(a);
}
ASN1_OBJECT *
ASN1_OBJECT_create(int nid, unsigned char *data, int len,
const char *sn, const char *ln)
{
ASN1_OBJECT o;
o.sn = sn;
o.ln = ln;
o.data = data;
o.nid = nid;
o.length = len;
o.flags = ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
ASN1_OBJECT_FLAG_DYNAMIC_DATA;
return (OBJ_dup(&o));
}