pineapple/externals/libressl/crypto/x509/x509_sxnet.c
2020-12-28 15:15:37 +00:00

383 lines
9.2 KiB
C
Executable file

/* $OpenBSD: x509_sxnet.c,v 1.1 2020/06/04 15:19:32 jsing Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* 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 above 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 acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <string.h>
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/x509v3.h>
/* Support for Thawte strong extranet extension */
#define SXNET_TEST
static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
int indent);
#ifdef SXNET_TEST
static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *nval);
#endif
const X509V3_EXT_METHOD v3_sxnet = {
.ext_nid = NID_sxnet,
.ext_flags = X509V3_EXT_MULTILINE,
.it = &SXNET_it,
.ext_new = NULL,
.ext_free = NULL,
.d2i = NULL,
.i2d = NULL,
.i2s = NULL,
.s2i = NULL,
.i2v = NULL,
#ifdef SXNET_TEST
.v2i = (X509V3_EXT_V2I)sxnet_v2i,
#else
.v2i = NULL,
#endif
.i2r = (X509V3_EXT_I2R)sxnet_i2r,
.r2i = NULL,
.usr_data = NULL,
};
static const ASN1_TEMPLATE SXNETID_seq_tt[] = {
{
.flags = 0,
.tag = 0,
.offset = offsetof(SXNETID, zone),
.field_name = "zone",
.item = &ASN1_INTEGER_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(SXNETID, user),
.field_name = "user",
.item = &ASN1_OCTET_STRING_it,
},
};
const ASN1_ITEM SXNETID_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = SXNETID_seq_tt,
.tcount = sizeof(SXNETID_seq_tt) / sizeof(ASN1_TEMPLATE),
.funcs = NULL,
.size = sizeof(SXNETID),
.sname = "SXNETID",
};
SXNETID *
d2i_SXNETID(SXNETID **a, const unsigned char **in, long len)
{
return (SXNETID *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&SXNETID_it);
}
int
i2d_SXNETID(SXNETID *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNETID_it);
}
SXNETID *
SXNETID_new(void)
{
return (SXNETID *)ASN1_item_new(&SXNETID_it);
}
void
SXNETID_free(SXNETID *a)
{
ASN1_item_free((ASN1_VALUE *)a, &SXNETID_it);
}
static const ASN1_TEMPLATE SXNET_seq_tt[] = {
{
.flags = 0,
.tag = 0,
.offset = offsetof(SXNET, version),
.field_name = "version",
.item = &ASN1_INTEGER_it,
},
{
.flags = ASN1_TFLG_SEQUENCE_OF,
.tag = 0,
.offset = offsetof(SXNET, ids),
.field_name = "ids",
.item = &SXNETID_it,
},
};
const ASN1_ITEM SXNET_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = SXNET_seq_tt,
.tcount = sizeof(SXNET_seq_tt) / sizeof(ASN1_TEMPLATE),
.funcs = NULL,
.size = sizeof(SXNET),
.sname = "SXNET",
};
SXNET *
d2i_SXNET(SXNET **a, const unsigned char **in, long len)
{
return (SXNET *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&SXNET_it);
}
int
i2d_SXNET(SXNET *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNET_it);
}
SXNET *
SXNET_new(void)
{
return (SXNET *)ASN1_item_new(&SXNET_it);
}
void
SXNET_free(SXNET *a)
{
ASN1_item_free((ASN1_VALUE *)a, &SXNET_it);
}
static int
sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent)
{
long v;
char *tmp;
SXNETID *id;
int i;
v = ASN1_INTEGER_get(sx->version);
BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);
for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
id = sk_SXNETID_value(sx->ids, i);
tmp = i2s_ASN1_INTEGER(NULL, id->zone);
BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
free(tmp);
ASN1_STRING_print(out, id->user);
}
return 1;
}
#ifdef SXNET_TEST
/* NBB: this is used for testing only. It should *not* be used for anything
* else because it will just take static IDs from the configuration file and
* they should really be separate values for each user.
*/
static SXNET *
sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *nval)
{
CONF_VALUE *cnf;
SXNET *sx = NULL;
int i;
for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
cnf = sk_CONF_VALUE_value(nval, i);
if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
return NULL;
}
return sx;
}
#endif
/* Strong Extranet utility functions */
/* Add an id given the zone as an ASCII number */
int
SXNET_add_id_asc(SXNET **psx, const char *zone, const char *user, int userlen)
{
ASN1_INTEGER *izone = NULL;
if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);
return 0;
}
return SXNET_add_id_INTEGER(psx, izone, user, userlen);
}
/* Add an id given the zone as an unsigned long */
int
SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, const char *user,
int userlen)
{
ASN1_INTEGER *izone = NULL;
if (!(izone = ASN1_INTEGER_new()) ||
!ASN1_INTEGER_set(izone, lzone)) {
X509V3error(ERR_R_MALLOC_FAILURE);
ASN1_INTEGER_free(izone);
return 0;
}
return SXNET_add_id_INTEGER(psx, izone, user, userlen);
}
/* Add an id given the zone as an ASN1_INTEGER.
* Note this version uses the passed integer and doesn't make a copy so don't
* free it up afterwards.
*/
int
SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, const char *user,
int userlen)
{
SXNET *sx = NULL;
SXNETID *id = NULL;
if (!psx || !zone || !user) {
X509V3error(X509V3_R_INVALID_NULL_ARGUMENT);
return 0;
}
if (userlen == -1)
userlen = strlen(user);
if (userlen > 64) {
X509V3error(X509V3_R_USER_TOO_LONG);
return 0;
}
if (!*psx) {
if (!(sx = SXNET_new()))
goto err;
if (!ASN1_INTEGER_set(sx->version, 0))
goto err;
*psx = sx;
} else
sx = *psx;
if (SXNET_get_id_INTEGER(sx, zone)) {
X509V3error(X509V3_R_DUPLICATE_ZONE_ID);
return 0;
}
if (!(id = SXNETID_new()))
goto err;
if (userlen == -1)
userlen = strlen(user);
if (!ASN1_STRING_set(id->user, user, userlen))
goto err;
if (!sk_SXNETID_push(sx->ids, id))
goto err;
id->zone = zone;
return 1;
err:
X509V3error(ERR_R_MALLOC_FAILURE);
SXNETID_free(id);
SXNET_free(sx);
*psx = NULL;
return 0;
}
ASN1_OCTET_STRING *
SXNET_get_id_asc(SXNET *sx, const char *zone)
{
ASN1_INTEGER *izone = NULL;
ASN1_OCTET_STRING *oct;
if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);
return NULL;
}
oct = SXNET_get_id_INTEGER(sx, izone);
ASN1_INTEGER_free(izone);
return oct;
}
ASN1_OCTET_STRING *
SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
{
ASN1_INTEGER *izone = NULL;
ASN1_OCTET_STRING *oct;
if (!(izone = ASN1_INTEGER_new()) ||
!ASN1_INTEGER_set(izone, lzone)) {
X509V3error(ERR_R_MALLOC_FAILURE);
ASN1_INTEGER_free(izone);
return NULL;
}
oct = SXNET_get_id_INTEGER(sx, izone);
ASN1_INTEGER_free(izone);
return oct;
}
ASN1_OCTET_STRING *
SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)
{
SXNETID *id;
int i;
for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
id = sk_SXNETID_value(sx->ids, i);
if (!ASN1_INTEGER_cmp(id->zone, zone))
return id->user;
}
return NULL;
}