1999-01-24 00:50:01 +00:00
|
|
|
/* v3_utl.c */
|
2008-11-05 18:39:08 +00:00
|
|
|
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
2003-02-05 00:34:31 +00:00
|
|
|
* project.
|
1999-01-24 00:50:01 +00:00
|
|
|
*/
|
|
|
|
/* ====================================================================
|
2003-02-05 00:34:31 +00:00
|
|
|
* Copyright (c) 1999-2003 The OpenSSL Project. All rights reserved.
|
1999-01-24 00:50:01 +00:00
|
|
|
*
|
|
|
|
* 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
|
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|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|
* 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.
|
|
|
|
* ====================================================================
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|
|
|
*
|
|
|
|
* This product includes cryptographic software written by Eric Young
|
|
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
|
|
* Hudson (tjh@cryptsoft.com).
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
/* X509 v3 extension utilities */
|
|
|
|
|
1999-02-22 01:26:40 +00:00
|
|
|
|
|
|
|
#include <stdio.h>
|
1999-01-24 00:50:01 +00:00
|
|
|
#include <ctype.h>
|
1999-02-22 01:26:40 +00:00
|
|
|
#include "cryptlib.h"
|
1999-04-23 22:13:45 +00:00
|
|
|
#include <openssl/conf.h>
|
|
|
|
#include <openssl/x509v3.h>
|
2004-05-17 19:14:22 +00:00
|
|
|
#include <openssl/bn.h>
|
1999-01-24 00:50:01 +00:00
|
|
|
|
|
|
|
static char *strip_spaces(char *name);
|
2000-06-11 12:18:15 +00:00
|
|
|
static int sk_strcmp(const char * const *a, const char * const *b);
|
2009-07-27 21:08:53 +00:00
|
|
|
static STACK_OF(OPENSSL_STRING) *get_email(X509_NAME *name, GENERAL_NAMES *gens);
|
|
|
|
static void str_free(OPENSSL_STRING str);
|
|
|
|
static int append_ia5(STACK_OF(OPENSSL_STRING) **sk, ASN1_IA5STRING *email);
|
1999-01-24 00:50:01 +00:00
|
|
|
|
2003-02-05 00:34:31 +00:00
|
|
|
static int ipv4_from_asc(unsigned char *v4, const char *in);
|
|
|
|
static int ipv6_from_asc(unsigned char *v6, const char *in);
|
|
|
|
static int ipv6_cb(const char *elem, int len, void *usr);
|
|
|
|
static int ipv6_hex(unsigned char *out, const char *in, int inlen);
|
|
|
|
|
1999-01-24 00:50:01 +00:00
|
|
|
/* Add a CONF_VALUE name value pair to stack */
|
|
|
|
|
1999-06-20 22:18:16 +00:00
|
|
|
int X509V3_add_value(const char *name, const char *value,
|
|
|
|
STACK_OF(CONF_VALUE) **extlist)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
CONF_VALUE *vtmp = NULL;
|
|
|
|
char *tname = NULL, *tvalue = NULL;
|
1999-03-04 23:29:51 +00:00
|
|
|
if(name && !(tname = BUF_strdup(name))) goto err;
|
2009-02-14 21:49:38 +00:00
|
|
|
if(value && !(tvalue = BUF_strdup(value))) goto err;
|
2000-06-01 22:19:21 +00:00
|
|
|
if(!(vtmp = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE)))) goto err;
|
2000-09-17 18:21:27 +00:00
|
|
|
if(!*extlist && !(*extlist = sk_CONF_VALUE_new_null())) goto err;
|
1999-01-24 00:50:01 +00:00
|
|
|
vtmp->section = NULL;
|
|
|
|
vtmp->name = tname;
|
|
|
|
vtmp->value = tvalue;
|
1999-06-20 22:18:16 +00:00
|
|
|
if(!sk_CONF_VALUE_push(*extlist, vtmp)) goto err;
|
1999-01-24 00:50:01 +00:00
|
|
|
return 1;
|
|
|
|
err:
|
|
|
|
X509V3err(X509V3_F_X509V3_ADD_VALUE,ERR_R_MALLOC_FAILURE);
|
2000-06-01 22:19:21 +00:00
|
|
|
if(vtmp) OPENSSL_free(vtmp);
|
|
|
|
if(tname) OPENSSL_free(tname);
|
|
|
|
if(tvalue) OPENSSL_free(tvalue);
|
1999-01-24 00:50:01 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
1999-04-23 15:01:15 +00:00
|
|
|
int X509V3_add_value_uchar(const char *name, const unsigned char *value,
|
1999-06-20 22:18:16 +00:00
|
|
|
STACK_OF(CONF_VALUE) **extlist)
|
1999-04-23 15:01:15 +00:00
|
|
|
{
|
|
|
|
return X509V3_add_value(name,(const char *)value,extlist);
|
|
|
|
}
|
|
|
|
|
1999-06-21 23:59:09 +00:00
|
|
|
/* Free function for STACK_OF(CONF_VALUE) */
|
1999-01-24 00:50:01 +00:00
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
void X509V3_conf_free(CONF_VALUE *conf)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
if(!conf) return;
|
2000-06-01 22:19:21 +00:00
|
|
|
if(conf->name) OPENSSL_free(conf->name);
|
|
|
|
if(conf->value) OPENSSL_free(conf->value);
|
|
|
|
if(conf->section) OPENSSL_free(conf->section);
|
|
|
|
OPENSSL_free(conf);
|
1999-01-24 00:50:01 +00:00
|
|
|
}
|
|
|
|
|
1999-06-20 22:18:16 +00:00
|
|
|
int X509V3_add_value_bool(const char *name, int asn1_bool,
|
|
|
|
STACK_OF(CONF_VALUE) **extlist)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
if(asn1_bool) return X509V3_add_value(name, "TRUE", extlist);
|
|
|
|
return X509V3_add_value(name, "FALSE", extlist);
|
|
|
|
}
|
|
|
|
|
1999-06-20 22:18:16 +00:00
|
|
|
int X509V3_add_value_bool_nf(char *name, int asn1_bool,
|
|
|
|
STACK_OF(CONF_VALUE) **extlist)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
if(asn1_bool) return X509V3_add_value(name, "TRUE", extlist);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
1999-02-20 01:15:41 +00:00
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
char *i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *method, ASN1_ENUMERATED *a)
|
1999-02-20 01:15:41 +00:00
|
|
|
{
|
|
|
|
BIGNUM *bntmp = NULL;
|
|
|
|
char *strtmp = NULL;
|
|
|
|
if(!a) return NULL;
|
|
|
|
if(!(bntmp = ASN1_ENUMERATED_to_BN(a, NULL)) ||
|
|
|
|
!(strtmp = BN_bn2dec(bntmp)) )
|
|
|
|
X509V3err(X509V3_F_I2S_ASN1_ENUMERATED,ERR_R_MALLOC_FAILURE);
|
|
|
|
BN_free(bntmp);
|
|
|
|
return strtmp;
|
|
|
|
}
|
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *method, ASN1_INTEGER *a)
|
1999-02-19 01:29:29 +00:00
|
|
|
{
|
|
|
|
BIGNUM *bntmp = NULL;
|
|
|
|
char *strtmp = NULL;
|
|
|
|
if(!a) return NULL;
|
|
|
|
if(!(bntmp = ASN1_INTEGER_to_BN(a, NULL)) ||
|
|
|
|
!(strtmp = BN_bn2dec(bntmp)) )
|
|
|
|
X509V3err(X509V3_F_I2S_ASN1_INTEGER,ERR_R_MALLOC_FAILURE);
|
|
|
|
BN_free(bntmp);
|
|
|
|
return strtmp;
|
|
|
|
}
|
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, char *value)
|
1999-04-14 23:44:41 +00:00
|
|
|
{
|
|
|
|
BIGNUM *bn = NULL;
|
|
|
|
ASN1_INTEGER *aint;
|
2001-01-19 14:21:48 +00:00
|
|
|
int isneg, ishex;
|
|
|
|
int ret;
|
|
|
|
if (!value) {
|
1999-04-14 23:44:41 +00:00
|
|
|
X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_INVALID_NULL_VALUE);
|
|
|
|
return 0;
|
|
|
|
}
|
2002-11-13 00:40:51 +00:00
|
|
|
bn = BN_new();
|
2001-01-19 14:21:48 +00:00
|
|
|
if (value[0] == '-') {
|
|
|
|
value++;
|
|
|
|
isneg = 1;
|
|
|
|
} else isneg = 0;
|
|
|
|
|
|
|
|
if (value[0] == '0' && ((value[1] == 'x') || (value[1] == 'X'))) {
|
|
|
|
value += 2;
|
|
|
|
ishex = 1;
|
|
|
|
} else ishex = 0;
|
|
|
|
|
|
|
|
if (ishex) ret = BN_hex2bn(&bn, value);
|
|
|
|
else ret = BN_dec2bn(&bn, value);
|
|
|
|
|
2002-11-13 00:40:51 +00:00
|
|
|
if (!ret || value[ret]) {
|
|
|
|
BN_free(bn);
|
1999-04-14 23:44:41 +00:00
|
|
|
X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_BN_DEC2BN_ERROR);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2001-01-19 14:21:48 +00:00
|
|
|
if (isneg && BN_is_zero(bn)) isneg = 0;
|
|
|
|
|
|
|
|
aint = BN_to_ASN1_INTEGER(bn, NULL);
|
|
|
|
BN_free(bn);
|
|
|
|
if (!aint) {
|
1999-04-14 23:44:41 +00:00
|
|
|
X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_BN_TO_ASN1_INTEGER_ERROR);
|
|
|
|
return 0;
|
|
|
|
}
|
2001-01-19 14:21:48 +00:00
|
|
|
if (isneg) aint->type |= V_ASN1_NEG;
|
1999-04-14 23:44:41 +00:00
|
|
|
return aint;
|
|
|
|
}
|
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
int X509V3_add_value_int(const char *name, ASN1_INTEGER *aint,
|
1999-06-20 22:18:16 +00:00
|
|
|
STACK_OF(CONF_VALUE) **extlist)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
char *strtmp;
|
|
|
|
int ret;
|
|
|
|
if(!aint) return 1;
|
1999-02-19 01:29:29 +00:00
|
|
|
if(!(strtmp = i2s_ASN1_INTEGER(NULL, aint))) return 0;
|
1999-01-24 00:50:01 +00:00
|
|
|
ret = X509V3_add_value(name, strtmp, extlist);
|
2000-06-01 22:19:21 +00:00
|
|
|
OPENSSL_free(strtmp);
|
1999-01-24 00:50:01 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
int X509V3_get_value_bool(CONF_VALUE *value, int *asn1_bool)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
char *btmp;
|
|
|
|
if(!(btmp = value->value)) goto err;
|
|
|
|
if(!strcmp(btmp, "TRUE") || !strcmp(btmp, "true")
|
|
|
|
|| !strcmp(btmp, "Y") || !strcmp(btmp, "y")
|
|
|
|
|| !strcmp(btmp, "YES") || !strcmp(btmp, "yes")) {
|
|
|
|
*asn1_bool = 0xff;
|
|
|
|
return 1;
|
|
|
|
} else if(!strcmp(btmp, "FALSE") || !strcmp(btmp, "false")
|
|
|
|
|| !strcmp(btmp, "N") || !strcmp(btmp, "n")
|
|
|
|
|| !strcmp(btmp, "NO") || !strcmp(btmp, "no")) {
|
|
|
|
*asn1_bool = 0;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
err:
|
1999-04-14 23:44:41 +00:00
|
|
|
X509V3err(X509V3_F_X509V3_GET_VALUE_BOOL,X509V3_R_INVALID_BOOLEAN_STRING);
|
1999-01-24 00:50:01 +00:00
|
|
|
X509V3_conf_err(value);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
int X509V3_get_value_int(CONF_VALUE *value, ASN1_INTEGER **aint)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
1999-04-14 23:44:41 +00:00
|
|
|
ASN1_INTEGER *itmp;
|
|
|
|
if(!(itmp = s2i_ASN1_INTEGER(NULL, value->value))) {
|
1999-01-24 00:50:01 +00:00
|
|
|
X509V3_conf_err(value);
|
|
|
|
return 0;
|
|
|
|
}
|
1999-04-14 23:44:41 +00:00
|
|
|
*aint = itmp;
|
1999-01-24 00:50:01 +00:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define HDR_NAME 1
|
|
|
|
#define HDR_VALUE 2
|
|
|
|
|
|
|
|
/*#define DEBUG*/
|
|
|
|
|
2001-03-15 19:13:40 +00:00
|
|
|
STACK_OF(CONF_VALUE) *X509V3_parse_list(const char *line)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
char *p, *q, c;
|
|
|
|
char *ntmp, *vtmp;
|
1999-06-20 22:18:16 +00:00
|
|
|
STACK_OF(CONF_VALUE) *values = NULL;
|
1999-01-24 00:50:01 +00:00
|
|
|
char *linebuf;
|
|
|
|
int state;
|
|
|
|
/* We are going to modify the line so copy it first */
|
1999-03-04 23:29:51 +00:00
|
|
|
linebuf = BUF_strdup(line);
|
1999-01-24 00:50:01 +00:00
|
|
|
state = HDR_NAME;
|
|
|
|
ntmp = NULL;
|
|
|
|
/* Go through all characters */
|
|
|
|
for(p = linebuf, q = linebuf; (c = *p) && (c!='\r') && (c!='\n'); p++) {
|
|
|
|
|
|
|
|
switch(state) {
|
|
|
|
case HDR_NAME:
|
|
|
|
if(c == ':') {
|
|
|
|
state = HDR_VALUE;
|
|
|
|
*p = 0;
|
|
|
|
ntmp = strip_spaces(q);
|
|
|
|
if(!ntmp) {
|
|
|
|
X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
q = p + 1;
|
|
|
|
} else if(c == ',') {
|
|
|
|
*p = 0;
|
|
|
|
ntmp = strip_spaces(q);
|
|
|
|
q = p + 1;
|
2002-02-28 10:51:56 +00:00
|
|
|
#if 0
|
1999-01-24 00:50:01 +00:00
|
|
|
printf("%s\n", ntmp);
|
|
|
|
#endif
|
|
|
|
if(!ntmp) {
|
|
|
|
X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
X509V3_add_value(ntmp, NULL, &values);
|
|
|
|
}
|
|
|
|
break ;
|
|
|
|
|
|
|
|
case HDR_VALUE:
|
|
|
|
if(c == ',') {
|
|
|
|
state = HDR_NAME;
|
|
|
|
*p = 0;
|
|
|
|
vtmp = strip_spaces(q);
|
2002-02-28 10:51:56 +00:00
|
|
|
#if 0
|
1999-01-24 00:50:01 +00:00
|
|
|
printf("%s\n", ntmp);
|
|
|
|
#endif
|
|
|
|
if(!vtmp) {
|
|
|
|
X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_VALUE);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
X509V3_add_value(ntmp, vtmp, &values);
|
|
|
|
ntmp = NULL;
|
|
|
|
q = p + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if(state == HDR_VALUE) {
|
|
|
|
vtmp = strip_spaces(q);
|
2002-02-28 10:51:56 +00:00
|
|
|
#if 0
|
1999-01-24 00:50:01 +00:00
|
|
|
printf("%s=%s\n", ntmp, vtmp);
|
|
|
|
#endif
|
|
|
|
if(!vtmp) {
|
|
|
|
X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_VALUE);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
X509V3_add_value(ntmp, vtmp, &values);
|
|
|
|
} else {
|
|
|
|
ntmp = strip_spaces(q);
|
2002-02-28 10:51:56 +00:00
|
|
|
#if 0
|
1999-01-24 00:50:01 +00:00
|
|
|
printf("%s\n", ntmp);
|
|
|
|
#endif
|
|
|
|
if(!ntmp) {
|
|
|
|
X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
X509V3_add_value(ntmp, NULL, &values);
|
|
|
|
}
|
2000-06-01 22:19:21 +00:00
|
|
|
OPENSSL_free(linebuf);
|
1999-01-24 00:50:01 +00:00
|
|
|
return values;
|
|
|
|
|
|
|
|
err:
|
2000-06-01 22:19:21 +00:00
|
|
|
OPENSSL_free(linebuf);
|
1999-06-20 22:18:16 +00:00
|
|
|
sk_CONF_VALUE_pop_free(values, X509V3_conf_free);
|
1999-01-24 00:50:01 +00:00
|
|
|
return NULL;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Delete leading and trailing spaces from a string */
|
1999-04-19 21:31:43 +00:00
|
|
|
static char *strip_spaces(char *name)
|
1999-01-24 00:50:01 +00:00
|
|
|
{
|
|
|
|
char *p, *q;
|
|
|
|
/* Skip over leading spaces */
|
|
|
|
p = name;
|
1999-05-10 11:18:26 +00:00
|
|
|
while(*p && isspace((unsigned char)*p)) p++;
|
1999-01-24 00:50:01 +00:00
|
|
|
if(!*p) return NULL;
|
|
|
|
q = p + strlen(p) - 1;
|
1999-05-10 11:18:26 +00:00
|
|
|
while((q != p) && isspace((unsigned char)*q)) q--;
|
1999-01-24 00:50:01 +00:00
|
|
|
if(p != q) q[1] = 0;
|
|
|
|
if(!*p) return NULL;
|
|
|
|
return p;
|
|
|
|
}
|
1999-02-10 01:12:59 +00:00
|
|
|
|
|
|
|
/* hex string utilities */
|
|
|
|
|
2000-06-01 22:19:21 +00:00
|
|
|
/* Given a buffer of length 'len' return a OPENSSL_malloc'ed string with its
|
1999-02-10 01:12:59 +00:00
|
|
|
* hex representation
|
2000-09-10 14:45:19 +00:00
|
|
|
* @@@ (Contents of buffer are always kept in ASCII, also on EBCDIC machines)
|
1999-02-10 01:12:59 +00:00
|
|
|
*/
|
|
|
|
|
2007-04-11 12:26:53 +00:00
|
|
|
char *hex_to_string(const unsigned char *buffer, long len)
|
1999-02-10 01:12:59 +00:00
|
|
|
{
|
|
|
|
char *tmp, *q;
|
2007-04-11 12:26:53 +00:00
|
|
|
const unsigned char *p;
|
1999-02-10 01:12:59 +00:00
|
|
|
int i;
|
2007-02-03 17:32:49 +00:00
|
|
|
const static char hexdig[] = "0123456789ABCDEF";
|
1999-02-10 01:12:59 +00:00
|
|
|
if(!buffer || !len) return NULL;
|
2000-06-01 22:19:21 +00:00
|
|
|
if(!(tmp = OPENSSL_malloc(len * 3 + 1))) {
|
1999-02-10 01:12:59 +00:00
|
|
|
X509V3err(X509V3_F_HEX_TO_STRING,ERR_R_MALLOC_FAILURE);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
q = tmp;
|
|
|
|
for(i = 0, p = buffer; i < len; i++,p++) {
|
|
|
|
*q++ = hexdig[(*p >> 4) & 0xf];
|
|
|
|
*q++ = hexdig[*p & 0xf];
|
|
|
|
*q++ = ':';
|
|
|
|
}
|
|
|
|
q[-1] = 0;
|
2000-09-10 14:45:19 +00:00
|
|
|
#ifdef CHARSET_EBCDIC
|
|
|
|
ebcdic2ascii(tmp, tmp, q - tmp - 1);
|
|
|
|
#endif
|
|
|
|
|
1999-02-10 01:12:59 +00:00
|
|
|
return tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Give a string of hex digits convert to
|
|
|
|
* a buffer
|
|
|
|
*/
|
|
|
|
|
2007-04-11 12:26:53 +00:00
|
|
|
unsigned char *string_to_hex(const char *str, long *len)
|
1999-02-10 01:12:59 +00:00
|
|
|
{
|
|
|
|
unsigned char *hexbuf, *q;
|
|
|
|
unsigned char ch, cl, *p;
|
|
|
|
if(!str) {
|
|
|
|
X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_INVALID_NULL_ARGUMENT);
|
|
|
|
return NULL;
|
|
|
|
}
|
2000-06-01 22:19:21 +00:00
|
|
|
if(!(hexbuf = OPENSSL_malloc(strlen(str) >> 1))) goto err;
|
1999-02-10 01:12:59 +00:00
|
|
|
for(p = (unsigned char *)str, q = hexbuf; *p;) {
|
|
|
|
ch = *p++;
|
2000-09-10 14:45:19 +00:00
|
|
|
#ifdef CHARSET_EBCDIC
|
|
|
|
ch = os_toebcdic[ch];
|
|
|
|
#endif
|
1999-02-10 01:12:59 +00:00
|
|
|
if(ch == ':') continue;
|
|
|
|
cl = *p++;
|
2000-09-10 14:45:19 +00:00
|
|
|
#ifdef CHARSET_EBCDIC
|
|
|
|
cl = os_toebcdic[cl];
|
|
|
|
#endif
|
1999-02-10 01:12:59 +00:00
|
|
|
if(!cl) {
|
|
|
|
X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ODD_NUMBER_OF_DIGITS);
|
2000-06-01 22:19:21 +00:00
|
|
|
OPENSSL_free(hexbuf);
|
1999-02-10 01:12:59 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if(isupper(ch)) ch = tolower(ch);
|
|
|
|
if(isupper(cl)) cl = tolower(cl);
|
|
|
|
|
|
|
|
if((ch >= '0') && (ch <= '9')) ch -= '0';
|
|
|
|
else if ((ch >= 'a') && (ch <= 'f')) ch -= 'a' - 10;
|
|
|
|
else goto badhex;
|
|
|
|
|
|
|
|
if((cl >= '0') && (cl <= '9')) cl -= '0';
|
|
|
|
else if ((cl >= 'a') && (cl <= 'f')) cl -= 'a' - 10;
|
|
|
|
else goto badhex;
|
|
|
|
|
|
|
|
*q++ = (ch << 4) | cl;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(len) *len = q - hexbuf;
|
|
|
|
|
|
|
|
return hexbuf;
|
|
|
|
|
|
|
|
err:
|
2000-06-01 22:19:21 +00:00
|
|
|
if(hexbuf) OPENSSL_free(hexbuf);
|
1999-02-10 01:12:59 +00:00
|
|
|
X509V3err(X509V3_F_STRING_TO_HEX,ERR_R_MALLOC_FAILURE);
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
badhex:
|
2000-06-01 22:19:21 +00:00
|
|
|
OPENSSL_free(hexbuf);
|
1999-02-10 01:12:59 +00:00
|
|
|
X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ILLEGAL_HEX_DIGIT);
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
}
|
1999-02-17 03:09:58 +00:00
|
|
|
|
|
|
|
/* V2I name comparison function: returns zero if 'name' matches
|
|
|
|
* cmp or cmp.*
|
|
|
|
*/
|
|
|
|
|
1999-04-19 21:31:43 +00:00
|
|
|
int name_cmp(const char *name, const char *cmp)
|
1999-02-17 03:09:58 +00:00
|
|
|
{
|
|
|
|
int len, ret;
|
|
|
|
char c;
|
|
|
|
len = strlen(cmp);
|
|
|
|
if((ret = strncmp(name, cmp, len))) return ret;
|
|
|
|
c = name[len];
|
|
|
|
if(!c || (c=='.')) return 0;
|
|
|
|
return 1;
|
|
|
|
}
|
2000-06-11 12:18:15 +00:00
|
|
|
|
|
|
|
static int sk_strcmp(const char * const *a, const char * const *b)
|
|
|
|
{
|
|
|
|
return strcmp(*a, *b);
|
|
|
|
}
|
|
|
|
|
2009-07-27 21:08:53 +00:00
|
|
|
STACK_OF(OPENSSL_STRING) *X509_get1_email(X509 *x)
|
2000-06-11 12:18:15 +00:00
|
|
|
{
|
2000-12-08 19:09:35 +00:00
|
|
|
GENERAL_NAMES *gens;
|
2009-07-27 21:08:53 +00:00
|
|
|
STACK_OF(OPENSSL_STRING) *ret;
|
2008-06-04 11:01:43 +00:00
|
|
|
|
2000-06-11 12:18:15 +00:00
|
|
|
gens = X509_get_ext_d2i(x, NID_subject_alt_name, NULL, NULL);
|
|
|
|
ret = get_email(X509_get_subject_name(x), gens);
|
|
|
|
sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2009-07-27 21:08:53 +00:00
|
|
|
STACK_OF(OPENSSL_STRING) *X509_get1_ocsp(X509 *x)
|
2007-09-26 21:56:59 +00:00
|
|
|
{
|
|
|
|
AUTHORITY_INFO_ACCESS *info;
|
2009-07-27 21:08:53 +00:00
|
|
|
STACK_OF(OPENSSL_STRING) *ret = NULL;
|
2007-09-26 21:56:59 +00:00
|
|
|
int i;
|
2008-06-04 11:01:43 +00:00
|
|
|
|
2007-09-26 21:56:59 +00:00
|
|
|
info = X509_get_ext_d2i(x, NID_info_access, NULL, NULL);
|
|
|
|
if (!info)
|
|
|
|
return NULL;
|
|
|
|
for (i = 0; i < sk_ACCESS_DESCRIPTION_num(info); i++)
|
|
|
|
{
|
|
|
|
ACCESS_DESCRIPTION *ad = sk_ACCESS_DESCRIPTION_value(info, i);
|
|
|
|
if (OBJ_obj2nid(ad->method) == NID_ad_OCSP)
|
|
|
|
{
|
|
|
|
if (ad->location->type == GEN_URI)
|
|
|
|
{
|
|
|
|
if (!append_ia5(&ret, ad->location->d.uniformResourceIdentifier))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
AUTHORITY_INFO_ACCESS_free(info);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2009-07-27 21:08:53 +00:00
|
|
|
STACK_OF(OPENSSL_STRING) *X509_REQ_get1_email(X509_REQ *x)
|
2000-06-11 12:18:15 +00:00
|
|
|
{
|
2000-12-08 19:09:35 +00:00
|
|
|
GENERAL_NAMES *gens;
|
2000-06-11 12:18:15 +00:00
|
|
|
STACK_OF(X509_EXTENSION) *exts;
|
2009-07-27 21:08:53 +00:00
|
|
|
STACK_OF(OPENSSL_STRING) *ret;
|
2008-06-04 11:01:43 +00:00
|
|
|
|
2000-06-11 12:18:15 +00:00
|
|
|
exts = X509_REQ_get_extensions(x);
|
|
|
|
gens = X509V3_get_d2i(exts, NID_subject_alt_name, NULL, NULL);
|
|
|
|
ret = get_email(X509_REQ_get_subject_name(x), gens);
|
|
|
|
sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
|
|
|
|
sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-07-27 21:08:53 +00:00
|
|
|
static STACK_OF(OPENSSL_STRING) *get_email(X509_NAME *name, GENERAL_NAMES *gens)
|
2000-06-11 12:18:15 +00:00
|
|
|
{
|
2009-07-27 21:08:53 +00:00
|
|
|
STACK_OF(OPENSSL_STRING) *ret = NULL;
|
2000-06-11 12:18:15 +00:00
|
|
|
X509_NAME_ENTRY *ne;
|
|
|
|
ASN1_IA5STRING *email;
|
|
|
|
GENERAL_NAME *gen;
|
|
|
|
int i;
|
|
|
|
/* Now add any email address(es) to STACK */
|
|
|
|
i = -1;
|
|
|
|
/* First supplied X509_NAME */
|
|
|
|
while((i = X509_NAME_get_index_by_NID(name,
|
2002-11-14 00:46:11 +00:00
|
|
|
NID_pkcs9_emailAddress, i)) >= 0) {
|
2000-06-11 12:18:15 +00:00
|
|
|
ne = X509_NAME_get_entry(name, i);
|
|
|
|
email = X509_NAME_ENTRY_get_data(ne);
|
|
|
|
if(!append_ia5(&ret, email)) return NULL;
|
|
|
|
}
|
|
|
|
for(i = 0; i < sk_GENERAL_NAME_num(gens); i++)
|
|
|
|
{
|
|
|
|
gen = sk_GENERAL_NAME_value(gens, i);
|
|
|
|
if(gen->type != GEN_EMAIL) continue;
|
|
|
|
if(!append_ia5(&ret, gen->d.ia5)) return NULL;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2009-07-27 21:08:53 +00:00
|
|
|
static void str_free(OPENSSL_STRING str)
|
2000-06-11 12:18:15 +00:00
|
|
|
{
|
|
|
|
OPENSSL_free(str);
|
|
|
|
}
|
|
|
|
|
2009-07-27 21:08:53 +00:00
|
|
|
static int append_ia5(STACK_OF(OPENSSL_STRING) **sk, ASN1_IA5STRING *email)
|
2000-06-11 12:18:15 +00:00
|
|
|
{
|
|
|
|
char *emtmp;
|
|
|
|
/* First some sanity checks */
|
|
|
|
if(email->type != V_ASN1_IA5STRING) return 1;
|
|
|
|
if(!email->data || !email->length) return 1;
|
2009-07-27 21:08:53 +00:00
|
|
|
if(!*sk) *sk = sk_OPENSSL_STRING_new(sk_strcmp);
|
2000-06-11 12:18:15 +00:00
|
|
|
if(!*sk) return 0;
|
|
|
|
/* Don't add duplicates */
|
2009-07-27 21:08:53 +00:00
|
|
|
if(sk_OPENSSL_STRING_find(*sk, (char *)email->data) != -1) return 1;
|
2008-07-04 23:12:52 +00:00
|
|
|
emtmp = BUF_strdup((char *)email->data);
|
2009-07-27 21:08:53 +00:00
|
|
|
if(!emtmp || !sk_OPENSSL_STRING_push(*sk, emtmp)) {
|
2000-06-11 12:18:15 +00:00
|
|
|
X509_email_free(*sk);
|
|
|
|
*sk = NULL;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2009-07-27 21:08:53 +00:00
|
|
|
void X509_email_free(STACK_OF(OPENSSL_STRING) *sk)
|
2000-06-11 12:18:15 +00:00
|
|
|
{
|
2009-07-27 21:08:53 +00:00
|
|
|
sk_OPENSSL_STRING_pop_free(sk, str_free);
|
2000-06-11 12:18:15 +00:00
|
|
|
}
|
2003-02-05 00:34:31 +00:00
|
|
|
|
2012-12-19 15:01:59 +00:00
|
|
|
typedef int (*equal_fn)(const unsigned char *pattern, size_t pattern_len,
|
2014-05-21 09:57:44 +00:00
|
|
|
const unsigned char *subject, size_t subject_len,
|
|
|
|
unsigned int flags);
|
2012-12-19 15:01:59 +00:00
|
|
|
|
2014-06-12 05:56:31 +00:00
|
|
|
/* Skip pattern prefix to match "wildcard" subject */
|
|
|
|
static void skip_prefix(const unsigned char **p, size_t *plen,
|
|
|
|
const unsigned char *subject, size_t subject_len,
|
|
|
|
unsigned int flags)
|
|
|
|
{
|
|
|
|
const unsigned char *pattern = *p;
|
|
|
|
size_t pattern_len = *plen;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If subject starts with a leading '.' followed by more octets, and
|
|
|
|
* pattern is longer, compare just an equal-length suffix with the
|
|
|
|
* full subject (starting at the '.'), provided the prefix contains
|
2014-06-14 03:45:56 +00:00
|
|
|
* no NULs.
|
2014-06-12 05:56:31 +00:00
|
|
|
*/
|
2014-06-14 03:45:56 +00:00
|
|
|
if ((flags & _X509_CHECK_FLAG_DOT_SUBDOMAINS) == 0)
|
2014-06-12 05:56:31 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
while (pattern_len > subject_len && *pattern)
|
|
|
|
{
|
|
|
|
if ((flags & X509_CHECK_FLAG_SINGLE_LABEL_SUBDOMAINS) &&
|
|
|
|
*pattern == '.')
|
|
|
|
break;
|
|
|
|
++pattern;
|
|
|
|
--pattern_len;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Skip if entire prefix acceptable */
|
|
|
|
if (pattern_len == subject_len)
|
|
|
|
{
|
|
|
|
*p = pattern;
|
|
|
|
*plen = pattern_len;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-19 15:01:59 +00:00
|
|
|
/* Compare while ASCII ignoring case. */
|
|
|
|
static int equal_nocase(const unsigned char *pattern, size_t pattern_len,
|
2014-05-21 09:57:44 +00:00
|
|
|
const unsigned char *subject, size_t subject_len,
|
2014-06-12 05:56:31 +00:00
|
|
|
unsigned int flags)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-06-12 05:56:31 +00:00
|
|
|
skip_prefix(&pattern, &pattern_len, subject, subject_len, flags);
|
2012-12-19 15:01:59 +00:00
|
|
|
if (pattern_len != subject_len)
|
|
|
|
return 0;
|
|
|
|
while (pattern_len)
|
|
|
|
{
|
|
|
|
unsigned char l = *pattern;
|
|
|
|
unsigned char r = *subject;
|
|
|
|
/* The pattern must not contain NUL characters. */
|
|
|
|
if (l == 0)
|
|
|
|
return 0;
|
|
|
|
if (l != r)
|
|
|
|
{
|
|
|
|
if ('A' <= l && l <= 'Z')
|
|
|
|
l = (l - 'A') + 'a';
|
|
|
|
if ('A' <= r && r <= 'Z')
|
|
|
|
r = (r - 'A') + 'a';
|
|
|
|
if (l != r)
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
++pattern;
|
|
|
|
++subject;
|
|
|
|
--pattern_len;
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Compare using memcmp. */
|
|
|
|
static int equal_case(const unsigned char *pattern, size_t pattern_len,
|
2014-05-21 09:57:44 +00:00
|
|
|
const unsigned char *subject, size_t subject_len,
|
2014-06-12 05:56:31 +00:00
|
|
|
unsigned int flags)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-06-12 05:56:31 +00:00
|
|
|
skip_prefix(&pattern, &pattern_len, subject, subject_len, flags);
|
2012-12-19 15:01:59 +00:00
|
|
|
if (pattern_len != subject_len)
|
|
|
|
return 0;
|
|
|
|
return !memcmp(pattern, subject, pattern_len);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* RFC 5280, section 7.5, requires that only the domain is compared in
|
|
|
|
a case-insensitive manner. */
|
|
|
|
static int equal_email(const unsigned char *a, size_t a_len,
|
2014-05-21 09:57:44 +00:00
|
|
|
const unsigned char *b, size_t b_len,
|
|
|
|
unsigned int unused_flags)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
|
|
|
size_t i = a_len;
|
|
|
|
if (a_len != b_len)
|
|
|
|
return 0;
|
|
|
|
/* We search backwards for the '@' character, so that we do
|
|
|
|
not have to deal with quoted local-parts. The domain part
|
|
|
|
is compared in a case-insensitive manner. */
|
|
|
|
while (i > 0)
|
|
|
|
{
|
|
|
|
--i;
|
|
|
|
if (a[i] == '@' || b[i] == '@')
|
|
|
|
{
|
|
|
|
if (!equal_nocase(a + i, a_len - i,
|
2014-05-21 09:57:44 +00:00
|
|
|
b + i, a_len - i, 0))
|
2012-12-19 15:01:59 +00:00
|
|
|
return 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (i == 0)
|
|
|
|
i = a_len;
|
2014-05-21 09:57:44 +00:00
|
|
|
return equal_case(a, i, b, i, 0);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Compare the prefix and suffix with the subject, and check that the
|
|
|
|
characters in-between are valid. */
|
|
|
|
static int wildcard_match(const unsigned char *prefix, size_t prefix_len,
|
|
|
|
const unsigned char *suffix, size_t suffix_len,
|
2014-05-21 09:57:44 +00:00
|
|
|
const unsigned char *subject, size_t subject_len,
|
|
|
|
unsigned int flags)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
|
|
|
const unsigned char *wildcard_start;
|
|
|
|
const unsigned char *wildcard_end;
|
|
|
|
const unsigned char *p;
|
2014-05-21 09:57:44 +00:00
|
|
|
int allow_multi = 0;
|
|
|
|
int allow_idna = 0;
|
|
|
|
|
2012-12-19 15:01:59 +00:00
|
|
|
if (subject_len < prefix_len + suffix_len)
|
|
|
|
return 0;
|
2014-05-21 09:57:44 +00:00
|
|
|
if (!equal_nocase(prefix, prefix_len, subject, prefix_len, flags))
|
2012-12-19 15:01:59 +00:00
|
|
|
return 0;
|
|
|
|
wildcard_start = subject + prefix_len;
|
|
|
|
wildcard_end = subject + (subject_len - suffix_len);
|
2014-05-21 09:57:44 +00:00
|
|
|
if (!equal_nocase(wildcard_end, suffix_len, suffix, suffix_len, flags))
|
2012-12-19 15:01:59 +00:00
|
|
|
return 0;
|
2014-05-21 09:57:44 +00:00
|
|
|
/*
|
|
|
|
* If the wildcard makes up the entire first label, it must match at
|
|
|
|
* least one character.
|
|
|
|
*/
|
|
|
|
if (prefix_len == 0 && *suffix == '.')
|
|
|
|
{
|
|
|
|
if (wildcard_start == wildcard_end)
|
|
|
|
return 0;
|
|
|
|
allow_idna = 1;
|
|
|
|
if (flags & X509_CHECK_FLAG_MULTI_LABEL_WILDCARDS)
|
|
|
|
allow_multi = 1;
|
|
|
|
}
|
|
|
|
/* IDNA labels cannot match partial wildcards */
|
|
|
|
if (!allow_idna &&
|
|
|
|
subject_len >= 4 && strncasecmp((char *)subject, "xn--", 4) == 0)
|
2012-12-19 15:01:59 +00:00
|
|
|
return 0;
|
2014-05-21 09:57:44 +00:00
|
|
|
/* The wildcard may match a literal '*' */
|
|
|
|
if (wildcard_end == wildcard_start + 1 && *wildcard_start == '*')
|
|
|
|
return 1;
|
|
|
|
/*
|
|
|
|
* Check that the part matched by the wildcard contains only
|
|
|
|
* permitted characters and only matches a single label unless
|
|
|
|
* allow_multi is set.
|
|
|
|
*/
|
2012-12-19 15:01:59 +00:00
|
|
|
for (p = wildcard_start; p != wildcard_end; ++p)
|
|
|
|
if (!(('0' <= *p && *p <= '9') ||
|
|
|
|
('A' <= *p && *p <= 'Z') ||
|
|
|
|
('a' <= *p && *p <= 'z') ||
|
2014-05-21 09:57:44 +00:00
|
|
|
*p == '-' || (allow_multi && *p == '.')))
|
2012-12-19 15:01:59 +00:00
|
|
|
return 0;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2014-05-21 09:57:44 +00:00
|
|
|
#define LABEL_START (1 << 0)
|
|
|
|
#define LABEL_END (1 << 1)
|
|
|
|
#define LABEL_HYPHEN (1 << 2)
|
|
|
|
#define LABEL_IDNA (1 << 3)
|
2012-12-19 15:01:59 +00:00
|
|
|
|
2014-05-21 09:57:44 +00:00
|
|
|
static const unsigned char *valid_star(const unsigned char *p, size_t len,
|
|
|
|
unsigned int flags)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-05-21 09:57:44 +00:00
|
|
|
const unsigned char *star = 0;
|
|
|
|
size_t i;
|
|
|
|
int state = LABEL_START;
|
|
|
|
int dots = 0;
|
|
|
|
for (i = 0; i < len; ++i)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-05-21 09:57:44 +00:00
|
|
|
/*
|
|
|
|
* Locate first and only legal wildcard, either at the start
|
|
|
|
* or end of a non-IDNA first and not final label.
|
|
|
|
*/
|
|
|
|
if (p[i] == '*')
|
|
|
|
{
|
|
|
|
int atstart = (state & LABEL_START);
|
|
|
|
int atend = (i == len - 1 || p[i+i] == '.');
|
|
|
|
/*
|
|
|
|
* At most one wildcard per pattern.
|
|
|
|
* No wildcards in IDNA labels.
|
|
|
|
* No wildcards after the first label.
|
|
|
|
*/
|
|
|
|
if (star != NULL || (state & LABEL_IDNA) != 0 || dots)
|
|
|
|
return NULL;
|
|
|
|
/* Only full-label '*.example.com' wildcards? */
|
|
|
|
if ((flags & X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS)
|
|
|
|
&& (!atstart || !atend))
|
|
|
|
return NULL;
|
|
|
|
/* No 'foo*bar' wildcards */
|
|
|
|
if (!atstart && !atend)
|
|
|
|
return NULL;
|
|
|
|
star = &p[i];
|
|
|
|
state &= ~LABEL_START;
|
|
|
|
}
|
|
|
|
else if ((state & LABEL_START) != 0)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* At the start of a label, skip any "xn--" and
|
|
|
|
* remain in the LABEL_START state, but set the
|
|
|
|
* IDNA label state
|
|
|
|
*/
|
|
|
|
if ((state & LABEL_IDNA) == 0 && len - i >= 4
|
|
|
|
&& strncasecmp((char *)&p[i], "xn--", 4) == 0)
|
|
|
|
{
|
|
|
|
i += 3;
|
|
|
|
state |= LABEL_IDNA;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
/* Labels must start with a letter or digit */
|
|
|
|
state &= ~LABEL_START;
|
|
|
|
if (('a' <= p[i] && p[i] <= 'z')
|
|
|
|
|| ('A' <= p[i] && p[i] <= 'Z')
|
|
|
|
|| ('0' <= p[i] && p[i] <= '9'))
|
|
|
|
continue;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (('a' <= p[i] && p[i] <= 'z')
|
|
|
|
|| ('A' <= p[i] && p[i] <= 'Z')
|
|
|
|
|| ('0' <= p[i] && p[i] <= '9'))
|
|
|
|
{
|
|
|
|
state &= LABEL_IDNA;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
else if (p[i] == '.')
|
|
|
|
{
|
|
|
|
if (state & (LABEL_HYPHEN | LABEL_START))
|
|
|
|
return NULL;
|
|
|
|
state = LABEL_START;
|
|
|
|
++dots;
|
|
|
|
}
|
|
|
|
else if (p[i] == '-')
|
|
|
|
{
|
|
|
|
if (state & LABEL_HYPHEN)
|
|
|
|
return NULL;
|
|
|
|
state |= LABEL_HYPHEN;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return NULL;
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
2014-05-21 09:57:44 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* The final label must not end in a hyphen or ".", and
|
|
|
|
* there must be at least two dots after the star.
|
|
|
|
*/
|
|
|
|
if ((state & (LABEL_START | LABEL_HYPHEN)) != 0
|
|
|
|
|| dots < 2)
|
2012-12-19 15:01:59 +00:00
|
|
|
return NULL;
|
|
|
|
return star;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Compare using wildcards. */
|
|
|
|
static int equal_wildcard(const unsigned char *pattern, size_t pattern_len,
|
2014-05-21 09:57:44 +00:00
|
|
|
const unsigned char *subject, size_t subject_len,
|
|
|
|
unsigned int flags)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-06-12 05:56:31 +00:00
|
|
|
const unsigned char *star = NULL;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Subject names starting with '.' can only match a wildcard pattern
|
|
|
|
* via a subject sub-domain pattern suffix match.
|
|
|
|
*/
|
|
|
|
if (!(subject_len > 1 && subject[0] == '.'))
|
|
|
|
star = valid_star(pattern, pattern_len, flags);
|
2012-12-19 15:01:59 +00:00
|
|
|
if (star == NULL)
|
|
|
|
return equal_nocase(pattern, pattern_len,
|
2014-05-21 09:57:44 +00:00
|
|
|
subject, subject_len, flags);
|
2012-12-19 15:01:59 +00:00
|
|
|
return wildcard_match(pattern, star - pattern,
|
|
|
|
star + 1, (pattern + pattern_len) - star - 1,
|
2014-05-21 09:57:44 +00:00
|
|
|
subject, subject_len, flags);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Compare an ASN1_STRING to a supplied string. If they match
|
|
|
|
* return 1. If cmp_type > 0 only compare if string matches the
|
|
|
|
* type, otherwise convert it to UTF8.
|
|
|
|
*/
|
|
|
|
|
|
|
|
static int do_check_string(ASN1_STRING *a, int cmp_type, equal_fn equal,
|
2014-07-07 09:11:38 +00:00
|
|
|
unsigned int flags, const char *b, size_t blen,
|
2014-07-05 15:47:29 +00:00
|
|
|
char **peername)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-07-05 15:47:29 +00:00
|
|
|
int rv = 0;
|
|
|
|
|
2012-12-19 15:01:59 +00:00
|
|
|
if (!a->data || !a->length)
|
|
|
|
return 0;
|
|
|
|
if (cmp_type > 0)
|
|
|
|
{
|
|
|
|
if (cmp_type != a->type)
|
|
|
|
return 0;
|
|
|
|
if (cmp_type == V_ASN1_IA5STRING)
|
2014-07-07 09:11:38 +00:00
|
|
|
rv = equal(a->data, a->length,
|
|
|
|
(unsigned char *)b, blen, flags);
|
2014-07-05 15:47:29 +00:00
|
|
|
else if (a->length == (int)blen && !memcmp(a->data, b, blen))
|
|
|
|
rv = 1;
|
|
|
|
if (rv > 0 && peername)
|
|
|
|
*peername = BUF_strndup((char *)a->data, a->length);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2014-07-05 15:47:29 +00:00
|
|
|
int astrlen;
|
2012-12-19 15:01:59 +00:00
|
|
|
unsigned char *astr;
|
|
|
|
astrlen = ASN1_STRING_to_UTF8(&astr, a);
|
|
|
|
if (astrlen < 0)
|
|
|
|
return -1;
|
2014-07-07 09:11:38 +00:00
|
|
|
rv = equal(astr, astrlen, (unsigned char *)b, blen, flags);
|
2014-07-05 15:47:29 +00:00
|
|
|
if (rv > 0 && peername)
|
|
|
|
*peername = BUF_strndup((char *)astr, astrlen);
|
2014-08-15 15:43:28 +00:00
|
|
|
OPENSSL_free(astr);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
2014-07-05 15:47:29 +00:00
|
|
|
return rv;
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
|
2014-07-07 09:11:38 +00:00
|
|
|
static int do_x509_check(X509 *x, const char *chk, size_t chklen,
|
2014-07-05 15:47:29 +00:00
|
|
|
unsigned int flags, int check_type,
|
|
|
|
char **peername)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
|
|
|
GENERAL_NAMES *gens = NULL;
|
|
|
|
X509_NAME *name = NULL;
|
|
|
|
int i;
|
|
|
|
int cnid;
|
|
|
|
int alt_type;
|
2014-05-21 09:57:44 +00:00
|
|
|
int san_present = 0;
|
2014-07-05 15:47:29 +00:00
|
|
|
int rv = 0;
|
2012-12-19 15:01:59 +00:00
|
|
|
equal_fn equal;
|
2014-06-14 03:45:56 +00:00
|
|
|
|
|
|
|
/* See below, this flag is internal-only */
|
|
|
|
flags &= ~_X509_CHECK_FLAG_DOT_SUBDOMAINS;
|
2012-12-19 15:01:59 +00:00
|
|
|
if (check_type == GEN_EMAIL)
|
|
|
|
{
|
|
|
|
cnid = NID_pkcs9_emailAddress;
|
|
|
|
alt_type = V_ASN1_IA5STRING;
|
|
|
|
equal = equal_email;
|
|
|
|
}
|
|
|
|
else if (check_type == GEN_DNS)
|
|
|
|
{
|
|
|
|
cnid = NID_commonName;
|
2014-06-12 05:56:31 +00:00
|
|
|
/* Implicit client-side DNS sub-domain pattern */
|
|
|
|
if (chklen > 1 && chk[0] == '.')
|
|
|
|
flags |= _X509_CHECK_FLAG_DOT_SUBDOMAINS;
|
2012-12-19 15:01:59 +00:00
|
|
|
alt_type = V_ASN1_IA5STRING;
|
|
|
|
if (flags & X509_CHECK_FLAG_NO_WILDCARDS)
|
|
|
|
equal = equal_nocase;
|
|
|
|
else
|
|
|
|
equal = equal_wildcard;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
cnid = 0;
|
|
|
|
alt_type = V_ASN1_OCTET_STRING;
|
|
|
|
equal = equal_case;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (chklen == 0)
|
2014-07-07 09:11:38 +00:00
|
|
|
chklen = strlen(chk);
|
2012-12-19 15:01:59 +00:00
|
|
|
|
|
|
|
gens = X509_get_ext_d2i(x, NID_subject_alt_name, NULL, NULL);
|
|
|
|
if (gens)
|
|
|
|
{
|
|
|
|
for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
|
|
|
|
{
|
|
|
|
GENERAL_NAME *gen;
|
|
|
|
ASN1_STRING *cstr;
|
|
|
|
gen = sk_GENERAL_NAME_value(gens, i);
|
2014-05-21 09:57:44 +00:00
|
|
|
if (gen->type != check_type)
|
2012-12-19 15:01:59 +00:00
|
|
|
continue;
|
2014-05-21 09:57:44 +00:00
|
|
|
san_present = 1;
|
2012-12-19 15:01:59 +00:00
|
|
|
if (check_type == GEN_EMAIL)
|
|
|
|
cstr = gen->d.rfc822Name;
|
|
|
|
else if (check_type == GEN_DNS)
|
|
|
|
cstr = gen->d.dNSName;
|
|
|
|
else
|
|
|
|
cstr = gen->d.iPAddress;
|
2014-07-05 15:47:29 +00:00
|
|
|
/* Positive on success, negative on error! */
|
|
|
|
if ((rv = do_check_string(cstr, alt_type, equal, flags,
|
|
|
|
chk, chklen, peername)) != 0)
|
2012-12-19 15:01:59 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
GENERAL_NAMES_free(gens);
|
2014-07-05 15:47:29 +00:00
|
|
|
if (rv != 0)
|
|
|
|
return rv;
|
2014-05-21 09:57:44 +00:00
|
|
|
if (!cnid
|
|
|
|
|| (san_present
|
|
|
|
&& !(flags & X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT)))
|
2012-12-19 15:01:59 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
i = -1;
|
|
|
|
name = X509_get_subject_name(x);
|
|
|
|
while((i = X509_NAME_get_index_by_NID(name, cnid, i)) >= 0)
|
|
|
|
{
|
|
|
|
X509_NAME_ENTRY *ne;
|
|
|
|
ASN1_STRING *str;
|
|
|
|
ne = X509_NAME_get_entry(name, i);
|
|
|
|
str = X509_NAME_ENTRY_get_data(ne);
|
2014-07-05 15:47:29 +00:00
|
|
|
/* Positive on success, negative on error! */
|
|
|
|
if ((rv = do_check_string(str, -1, equal, flags,
|
|
|
|
chk, chklen, peername)) != 0)
|
|
|
|
return rv;
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-07-07 09:11:38 +00:00
|
|
|
int X509_check_host(X509 *x, const char *chk, size_t chklen,
|
|
|
|
unsigned int flags, char **peername)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-06-23 00:18:53 +00:00
|
|
|
if (chk == NULL)
|
|
|
|
return -2;
|
|
|
|
/*
|
|
|
|
* Embedded NULs are disallowed, except as the last character of a
|
|
|
|
* string of length 2 or more (tolerate caller including terminating
|
|
|
|
* NUL in string length).
|
|
|
|
*/
|
2014-06-22 05:35:44 +00:00
|
|
|
if (chklen == 0)
|
2014-07-07 09:11:38 +00:00
|
|
|
chklen = strlen(chk);
|
2014-06-23 00:18:53 +00:00
|
|
|
else if (memchr(chk, '\0', chklen > 1 ? chklen-1 : chklen))
|
|
|
|
return -2;
|
|
|
|
if (chklen > 1 && chk[chklen-1] == '\0')
|
|
|
|
--chklen;
|
2014-07-05 15:47:29 +00:00
|
|
|
return do_x509_check(x, chk, chklen, flags, GEN_DNS, peername);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
|
2014-07-07 09:11:38 +00:00
|
|
|
int X509_check_email(X509 *x, const char *chk, size_t chklen,
|
|
|
|
unsigned int flags)
|
2012-12-19 15:01:59 +00:00
|
|
|
{
|
2014-06-23 00:18:53 +00:00
|
|
|
if (chk == NULL)
|
|
|
|
return -2;
|
|
|
|
/*
|
|
|
|
* Embedded NULs are disallowed, except as the last character of a
|
|
|
|
* string of length 2 or more (tolerate caller including terminating
|
|
|
|
* NUL in string length).
|
|
|
|
*/
|
|
|
|
if (chklen == 0)
|
|
|
|
chklen = strlen((char *)chk);
|
|
|
|
else if (memchr(chk, '\0', chklen > 1 ? chklen-1 : chklen))
|
|
|
|
return -2;
|
|
|
|
if (chklen > 1 && chk[chklen-1] == '\0')
|
|
|
|
--chklen;
|
2014-07-05 15:47:29 +00:00
|
|
|
return do_x509_check(x, chk, chklen, flags, GEN_EMAIL, NULL);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int X509_check_ip(X509 *x, const unsigned char *chk, size_t chklen,
|
|
|
|
unsigned int flags)
|
|
|
|
{
|
2014-06-23 00:18:53 +00:00
|
|
|
if (chk == NULL)
|
|
|
|
return -2;
|
2014-07-07 09:11:38 +00:00
|
|
|
return do_x509_check(x, (char *)chk, chklen, flags, GEN_IPADD, NULL);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int X509_check_ip_asc(X509 *x, const char *ipasc, unsigned int flags)
|
|
|
|
{
|
|
|
|
unsigned char ipout[16];
|
2014-07-07 09:11:38 +00:00
|
|
|
size_t iplen;
|
|
|
|
|
2014-06-23 00:18:53 +00:00
|
|
|
if (ipasc == NULL)
|
|
|
|
return -2;
|
2014-07-07 09:11:38 +00:00
|
|
|
iplen = (size_t) a2i_ipadd(ipout, ipasc);
|
2012-12-19 15:01:59 +00:00
|
|
|
if (iplen == 0)
|
|
|
|
return -2;
|
2014-07-07 09:11:38 +00:00
|
|
|
return do_x509_check(x, (char *)ipout, iplen, flags, GEN_IPADD, NULL);
|
2012-12-19 15:01:59 +00:00
|
|
|
}
|
|
|
|
|
2003-02-05 00:34:31 +00:00
|
|
|
/* Convert IP addresses both IPv4 and IPv6 into an
|
|
|
|
* OCTET STRING compatible with RFC3280.
|
|
|
|
*/
|
|
|
|
|
|
|
|
ASN1_OCTET_STRING *a2i_IPADDRESS(const char *ipasc)
|
|
|
|
{
|
|
|
|
unsigned char ipout[16];
|
|
|
|
ASN1_OCTET_STRING *ret;
|
|
|
|
int iplen;
|
|
|
|
|
|
|
|
/* If string contains a ':' assume IPv6 */
|
|
|
|
|
2003-03-24 17:04:44 +00:00
|
|
|
iplen = a2i_ipadd(ipout, ipasc);
|
|
|
|
|
|
|
|
if (!iplen)
|
|
|
|
return NULL;
|
2003-02-05 00:34:31 +00:00
|
|
|
|
|
|
|
ret = ASN1_OCTET_STRING_new();
|
|
|
|
if (!ret)
|
|
|
|
return NULL;
|
|
|
|
if (!ASN1_OCTET_STRING_set(ret, ipout, iplen))
|
|
|
|
{
|
|
|
|
ASN1_OCTET_STRING_free(ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2003-03-24 17:04:44 +00:00
|
|
|
ASN1_OCTET_STRING *a2i_IPADDRESS_NC(const char *ipasc)
|
|
|
|
{
|
|
|
|
ASN1_OCTET_STRING *ret = NULL;
|
|
|
|
unsigned char ipout[32];
|
|
|
|
char *iptmp = NULL, *p;
|
|
|
|
int iplen1, iplen2;
|
|
|
|
p = strchr(ipasc,'/');
|
|
|
|
if (!p)
|
|
|
|
return NULL;
|
|
|
|
iptmp = BUF_strdup(ipasc);
|
|
|
|
if (!iptmp)
|
|
|
|
return NULL;
|
|
|
|
p = iptmp + (p - ipasc);
|
|
|
|
*p++ = 0;
|
|
|
|
|
|
|
|
iplen1 = a2i_ipadd(ipout, iptmp);
|
|
|
|
|
|
|
|
if (!iplen1)
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
iplen2 = a2i_ipadd(ipout + iplen1, p);
|
|
|
|
|
|
|
|
OPENSSL_free(iptmp);
|
|
|
|
iptmp = NULL;
|
|
|
|
|
|
|
|
if (!iplen2 || (iplen1 != iplen2))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
ret = ASN1_OCTET_STRING_new();
|
|
|
|
if (!ret)
|
|
|
|
goto err;
|
|
|
|
if (!ASN1_OCTET_STRING_set(ret, ipout, iplen1 + iplen2))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
err:
|
|
|
|
if (iptmp)
|
|
|
|
OPENSSL_free(iptmp);
|
|
|
|
if (ret)
|
|
|
|
ASN1_OCTET_STRING_free(ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2006-11-27 14:18:05 +00:00
|
|
|
int a2i_ipadd(unsigned char *ipout, const char *ipasc)
|
2003-03-24 17:04:44 +00:00
|
|
|
{
|
|
|
|
/* If string contains a ':' assume IPv6 */
|
|
|
|
|
|
|
|
if (strchr(ipasc, ':'))
|
|
|
|
{
|
|
|
|
if (!ipv6_from_asc(ipout, ipasc))
|
|
|
|
return 0;
|
|
|
|
return 16;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (!ipv4_from_asc(ipout, ipasc))
|
|
|
|
return 0;
|
|
|
|
return 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-02-05 00:34:31 +00:00
|
|
|
static int ipv4_from_asc(unsigned char *v4, const char *in)
|
|
|
|
{
|
|
|
|
int a0, a1, a2, a3;
|
|
|
|
if (sscanf(in, "%d.%d.%d.%d", &a0, &a1, &a2, &a3) != 4)
|
|
|
|
return 0;
|
|
|
|
if ((a0 < 0) || (a0 > 255) || (a1 < 0) || (a1 > 255)
|
|
|
|
|| (a2 < 0) || (a2 > 255) || (a3 < 0) || (a3 > 255))
|
|
|
|
return 0;
|
|
|
|
v4[0] = a0;
|
|
|
|
v4[1] = a1;
|
|
|
|
v4[2] = a2;
|
|
|
|
v4[3] = a3;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
/* Temporary store for IPV6 output */
|
|
|
|
unsigned char tmp[16];
|
|
|
|
/* Total number of bytes in tmp */
|
|
|
|
int total;
|
|
|
|
/* The position of a zero (corresponding to '::') */
|
|
|
|
int zero_pos;
|
|
|
|
/* Number of zeroes */
|
|
|
|
int zero_cnt;
|
|
|
|
} IPV6_STAT;
|
|
|
|
|
|
|
|
|
|
|
|
static int ipv6_from_asc(unsigned char *v6, const char *in)
|
|
|
|
{
|
|
|
|
IPV6_STAT v6stat;
|
|
|
|
v6stat.total = 0;
|
|
|
|
v6stat.zero_pos = -1;
|
|
|
|
v6stat.zero_cnt = 0;
|
|
|
|
/* Treat the IPv6 representation as a list of values
|
|
|
|
* separated by ':'. The presence of a '::' will parse
|
|
|
|
* as one, two or three zero length elements.
|
|
|
|
*/
|
|
|
|
if (!CONF_parse_list(in, ':', 0, ipv6_cb, &v6stat))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Now for some sanity checks */
|
|
|
|
|
|
|
|
if (v6stat.zero_pos == -1)
|
|
|
|
{
|
|
|
|
/* If no '::' must have exactly 16 bytes */
|
|
|
|
if (v6stat.total != 16)
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* If '::' must have less than 16 bytes */
|
|
|
|
if (v6stat.total == 16)
|
|
|
|
return 0;
|
|
|
|
/* More than three zeroes is an error */
|
|
|
|
if (v6stat.zero_cnt > 3)
|
|
|
|
return 0;
|
|
|
|
/* Can only have three zeroes if nothing else present */
|
|
|
|
else if (v6stat.zero_cnt == 3)
|
|
|
|
{
|
|
|
|
if (v6stat.total > 0)
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* Can only have two zeroes if at start or end */
|
|
|
|
else if (v6stat.zero_cnt == 2)
|
|
|
|
{
|
|
|
|
if ((v6stat.zero_pos != 0)
|
|
|
|
&& (v6stat.zero_pos != v6stat.total))
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
/* Can only have one zero if *not* start or end */
|
|
|
|
{
|
|
|
|
if ((v6stat.zero_pos == 0)
|
|
|
|
|| (v6stat.zero_pos == v6stat.total))
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Format result */
|
|
|
|
|
2008-12-08 19:13:06 +00:00
|
|
|
if (v6stat.zero_pos >= 0)
|
2008-12-07 23:58:44 +00:00
|
|
|
{
|
|
|
|
/* Copy initial part */
|
2003-02-05 00:34:31 +00:00
|
|
|
memcpy(v6, v6stat.tmp, v6stat.zero_pos);
|
2008-12-07 23:58:44 +00:00
|
|
|
/* Zero middle */
|
2003-02-05 00:34:31 +00:00
|
|
|
memset(v6 + v6stat.zero_pos, 0, 16 - v6stat.total);
|
2008-12-07 23:58:44 +00:00
|
|
|
/* Copy final part */
|
|
|
|
if (v6stat.total != v6stat.zero_pos)
|
|
|
|
memcpy(v6 + v6stat.zero_pos + 16 - v6stat.total,
|
|
|
|
v6stat.tmp + v6stat.zero_pos,
|
|
|
|
v6stat.total - v6stat.zero_pos);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
memcpy(v6, v6stat.tmp, 16);
|
2003-02-05 00:34:31 +00:00
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ipv6_cb(const char *elem, int len, void *usr)
|
|
|
|
{
|
|
|
|
IPV6_STAT *s = usr;
|
|
|
|
/* Error if 16 bytes written */
|
|
|
|
if (s->total == 16)
|
|
|
|
return 0;
|
|
|
|
if (len == 0)
|
|
|
|
{
|
|
|
|
/* Zero length element, corresponds to '::' */
|
|
|
|
if (s->zero_pos == -1)
|
|
|
|
s->zero_pos = s->total;
|
|
|
|
/* If we've already got a :: its an error */
|
|
|
|
else if (s->zero_pos != s->total)
|
|
|
|
return 0;
|
|
|
|
s->zero_cnt++;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* If more than 4 characters could be final a.b.c.d form */
|
|
|
|
if (len > 4)
|
|
|
|
{
|
|
|
|
/* Need at least 4 bytes left */
|
|
|
|
if (s->total > 12)
|
|
|
|
return 0;
|
|
|
|
/* Must be end of string */
|
|
|
|
if (elem[len])
|
|
|
|
return 0;
|
|
|
|
if (!ipv4_from_asc(s->tmp + s->total, elem))
|
|
|
|
return 0;
|
|
|
|
s->total += 4;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (!ipv6_hex(s->tmp + s->total, elem, len))
|
|
|
|
return 0;
|
|
|
|
s->total += 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Convert a string of up to 4 hex digits into the corresponding
|
|
|
|
* IPv6 form.
|
|
|
|
*/
|
|
|
|
|
|
|
|
static int ipv6_hex(unsigned char *out, const char *in, int inlen)
|
|
|
|
{
|
|
|
|
unsigned char c;
|
|
|
|
unsigned int num = 0;
|
|
|
|
if (inlen > 4)
|
|
|
|
return 0;
|
|
|
|
while(inlen--)
|
|
|
|
{
|
|
|
|
c = *in++;
|
|
|
|
num <<= 4;
|
|
|
|
if ((c >= '0') && (c <= '9'))
|
|
|
|
num |= c - '0';
|
|
|
|
else if ((c >= 'A') && (c <= 'F'))
|
|
|
|
num |= c - 'A' + 10;
|
|
|
|
else if ((c >= 'a') && (c <= 'f'))
|
|
|
|
num |= c - 'a' + 10;
|
|
|
|
else
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
out[0] = num >> 8;
|
|
|
|
out[1] = num & 0xff;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2003-02-27 01:54:11 +00:00
|
|
|
|
|
|
|
int X509V3_NAME_from_section(X509_NAME *nm, STACK_OF(CONF_VALUE)*dn_sk,
|
|
|
|
unsigned long chtype)
|
|
|
|
{
|
|
|
|
CONF_VALUE *v;
|
2003-03-30 01:51:16 +00:00
|
|
|
int i, mval;
|
2003-02-27 01:54:11 +00:00
|
|
|
char *p, *type;
|
|
|
|
if (!nm)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
|
|
|
|
{
|
|
|
|
v=sk_CONF_VALUE_value(dn_sk,i);
|
|
|
|
type=v->name;
|
|
|
|
/* Skip past any leading X. X: X, etc to allow for
|
|
|
|
* multiple instances
|
|
|
|
*/
|
|
|
|
for(p = type; *p ; p++)
|
|
|
|
#ifndef CHARSET_EBCDIC
|
|
|
|
if ((*p == ':') || (*p == ',') || (*p == '.'))
|
|
|
|
#else
|
|
|
|
if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.']))
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
p++;
|
|
|
|
if(*p) type = p;
|
|
|
|
break;
|
|
|
|
}
|
2003-03-30 01:51:16 +00:00
|
|
|
#ifndef CHARSET_EBCDIC
|
2005-07-25 18:39:44 +00:00
|
|
|
if (*type == '+')
|
2003-03-30 01:51:16 +00:00
|
|
|
#else
|
2005-07-25 18:39:44 +00:00
|
|
|
if (*type == os_toascii['+'])
|
2003-03-30 01:51:16 +00:00
|
|
|
#endif
|
|
|
|
{
|
|
|
|
mval = -1;
|
2005-07-25 18:39:44 +00:00
|
|
|
type++;
|
2003-03-30 01:51:16 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
mval = 0;
|
2003-02-27 01:54:11 +00:00
|
|
|
if (!X509_NAME_add_entry_by_txt(nm,type, chtype,
|
2003-03-30 01:51:16 +00:00
|
|
|
(unsigned char *) v->value,-1,-1,mval))
|
2003-02-27 01:54:11 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|