ssl/libcrypto/src/crypto/x509v3/v3_akey.c
changeset 31 ce057bb09d0b
parent 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/x509v3/v3_akey.c	Fri Jun 04 16:20:51 2010 +0100
@@ -0,0 +1,231 @@
+/* v3_akey.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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).
+ *
+ */
+ 
+/*
+ © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
+ */
+
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509v3.h>
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd_macros.h"
+#include "libcrypto_wsd.h"
+#endif
+
+
+static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+			AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist);
+static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+			X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
+#ifndef EMULATOR
+X509V3_EXT_METHOD v3_akey_id =
+	{
+	NID_authority_key_identifier,
+	X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_KEYID),
+	0,0,0,0,
+	0,0,
+	(X509V3_EXT_I2V)i2v_AUTHORITY_KEYID,
+	(X509V3_EXT_V2I)v2i_AUTHORITY_KEYID,
+	0,0,
+	NULL
+	};
+#else
+const X509V3_EXT_METHOD v3_akey_id =
+	{
+	NID_authority_key_identifier,
+	X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_KEYID),
+	0,0,0,0,
+	0,0,
+	(X509V3_EXT_I2V)i2v_AUTHORITY_KEYID,
+	(X509V3_EXT_V2I)v2i_AUTHORITY_KEYID,
+	0,0,
+	NULL
+	};
+
+#endif
+static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+	     AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist)
+{
+	char *tmp;
+	if(akeyid->keyid) {
+		tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length);
+		X509V3_add_value("keyid", tmp, &extlist);
+		OPENSSL_free(tmp);
+	}
+	if(akeyid->issuer) 
+		extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist);
+	if(akeyid->serial) {
+		tmp = hex_to_string(akeyid->serial->data,
+						 akeyid->serial->length);
+		X509V3_add_value("serial", tmp, &extlist);
+		OPENSSL_free(tmp);
+	}
+	return extlist;
+}
+
+/* Currently two options:
+ * keyid: use the issuers subject keyid, the value 'always' means its is
+ * an error if the issuer certificate doesn't have a key id.
+ * issuer: use the issuers cert issuer and serial number. The default is
+ * to only use this if keyid is not present. With the option 'always'
+ * this is always included.
+ */
+
+static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+	     X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
+	{
+	char keyid=0, issuer=0;
+	int i;
+	CONF_VALUE *cnf;
+	ASN1_OCTET_STRING *ikeyid = NULL;
+	X509_NAME *isname = NULL;
+	GENERAL_NAMES * gens = NULL;
+	GENERAL_NAME *gen = NULL;
+	ASN1_INTEGER *serial = NULL;
+	X509_EXTENSION *ext;
+	X509 *cert;
+	AUTHORITY_KEYID *akeyid;
+
+	for(i = 0; i < sk_CONF_VALUE_num(values); i++)
+		{
+		cnf = sk_CONF_VALUE_value(values, i);
+		if(!strcmp(cnf->name, "keyid"))
+			{
+			keyid = 1;
+			if(cnf->value && !strcmp(cnf->value, "always"))
+				keyid = 2;
+			}
+		else if(!strcmp(cnf->name, "issuer"))
+			{
+			issuer = 1;
+			if(cnf->value && !strcmp(cnf->value, "always"))
+				issuer = 2;
+			}
+		else
+			{
+			X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNKNOWN_OPTION);
+			ERR_add_error_data(2, "name=", cnf->name);
+			return NULL;
+			}
+		}
+
+	if(!ctx || !ctx->issuer_cert)
+		{
+		if(ctx && (ctx->flags==CTX_TEST))
+			return AUTHORITY_KEYID_new();
+		X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_NO_ISSUER_CERTIFICATE);
+		return NULL;
+		}
+
+	cert = ctx->issuer_cert;
+
+	if(keyid)
+		{
+		i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1);
+		if((i >= 0)  && (ext = X509_get_ext(cert, i)))
+			ikeyid = X509V3_EXT_d2i(ext);
+		if(keyid==2 && !ikeyid)
+			{
+			X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_KEYID);
+			return NULL;
+			}
+		}
+
+	if((issuer && !ikeyid) || (issuer == 2))
+		{
+		isname = X509_NAME_dup(X509_get_issuer_name(cert));
+		serial = M_ASN1_INTEGER_dup(X509_get_serialNumber(cert));
+		if(!isname || !serial)
+			{
+			X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS);
+			goto err;
+			}
+		}
+
+	if(!(akeyid = AUTHORITY_KEYID_new())) goto err;
+
+	if(isname)
+		{
+		if(!(gens = sk_GENERAL_NAME_new_null())
+			|| !(gen = GENERAL_NAME_new())
+			|| !sk_GENERAL_NAME_push(gens, gen))
+			{
+			X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+		gen->type = GEN_DIRNAME;
+		gen->d.dirn = isname;
+		}
+
+	akeyid->issuer = gens;
+	akeyid->serial = serial;
+	akeyid->keyid = ikeyid;
+
+	return akeyid;
+
+ err:
+	X509_NAME_free(isname);
+	M_ASN1_INTEGER_free(serial);
+	M_ASN1_OCTET_STRING_free(ikeyid);
+	return NULL;
+	}