More extension code. Incomplete support for subject and issuer alt

name, issuer and authority key id. Change the i2v function parameters
and add an extra 'crl' parameter in the X509V3_CTX structure: guess
what that's for :-) Fix to ASN1 macro which messed up
IMPLICIT tag and add f_enum.c which adds a2i, i2a for ENUMERATED.

1 files changed, 171 insertions, 0 deletions

diff --git a/crypto/x509v3/v3_skey.c b/crypto/x509v3/v3_skey.c
new file mode 100644
index 0000000..3994c79
--- /dev/null
+++ b/crypto/x509v3/v3_skey.c
@@ -0,0 +1,171 @@
+/* v3_skey.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).
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <pem.h>
+#include <asn1_mac.h>
+#include <err.h>
+#include <objects.h>
+#include <conf.h>
+#include "x509v3.h"
+
+#ifndef NOPROTO
+static ASN1_OCTET_STRING *octet_string_new(void);
+static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);
+#else
+static ASN1_OCTET_STRING *s2i_skey_id();
+static ASN1_OCTET_STRING *octet_string_new();
+#endif
+
+X509V3_EXT_METHOD v3_skey_id = { 
+NID_subject_key_identifier, 0,
+(X509V3_EXT_NEW)octet_string_new, ASN1_STRING_free,
+(X509V3_EXT_D2I)d2i_ASN1_OCTET_STRING,
+i2d_ASN1_OCTET_STRING,
+(X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING,
+(X509V3_EXT_S2I)s2i_skey_id,
+NULL, NULL, NULL, NULL};
+
+
+static ASN1_OCTET_STRING *octet_string_new(void)
+{
+	return ASN1_OCTET_STRING_new();
+}
+
+char *i2s_ASN1_OCTET_STRING(method, oct)
+X509V3_EXT_METHOD *method;
+ASN1_OCTET_STRING *oct;
+{
+	return hex_to_string(oct->data, oct->length);
+}
+
+ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(method, ctx, str)
+X509V3_EXT_METHOD *method;
+X509V3_CTX *ctx;
+char *str;
+{
+	ASN1_OCTET_STRING *oct;
+	long length;
+
+	if(!(oct = ASN1_OCTET_STRING_new())) {
+		X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
+		return NULL;
+	}
+
+	if(!(oct->data = string_to_hex(str, &length))) {
+		ASN1_OCTET_STRING_free(oct);
+		return NULL;
+	}
+
+	oct->length = length;
+
+	return oct;
+
+}
+
+ASN1_OCTET_STRING *s2i_skey_id(method, ctx, str)
+X509V3_EXT_METHOD *method;
+X509V3_CTX *ctx;
+char *str;
+{
+	ASN1_OCTET_STRING *oct;
+	ASN1_BIT_STRING *pk;
+	unsigned char pkey_dig[EVP_MAX_MD_SIZE];
+	EVP_MD_CTX md;
+	int diglen;
+
+	if(strcmp(str, "hash")) return s2i_ASN1_OCTET_STRING(method, ctx, str);
+
+	if(!(oct = ASN1_OCTET_STRING_new())) {
+		X509V3err(X509V3_F_S2I_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
+		return NULL;
+	}
+
+	if(ctx && (ctx->flags == CTX_TEST)) return oct;
+
+	if(!ctx || (!ctx->subject_req && !ctx->subject_cert)) {
+		X509V3err(X509V3_F_S2I_ASN1_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
+		goto err;
+	}
+
+	if(ctx->subject_req) 
+		pk = ctx->subject_req->req_info->pubkey->public_key;
+	else pk = ctx->subject_cert->cert_info->key->public_key;
+
+	if(!pk) {
+		X509V3err(X509V3_F_S2I_ASN1_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
+		goto err;
+	}
+
+	EVP_DigestInit(&md, EVP_sha1());
+	EVP_DigestUpdate(&md, pk->data, pk->length);
+	EVP_DigestFinal(&md, pkey_dig, &diglen);
+
+	if(!ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) {
+		X509V3err(X509V3_F_S2I_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
+		goto err;
+	}
+
+	return oct;
+	
+	err:
+	ASN1_OCTET_STRING_free(oct);
+	return NULL;
+}