Initial import

1 files changed, 525 insertions, 0 deletions

diff --git a/openssl/crypto/x509v3/v3_conf.c b/openssl/crypto/x509v3/v3_conf.c
new file mode 100644
index 00000000..6730f9a6
--- /dev/null
+++ b/openssl/crypto/x509v3/v3_conf.c
@@ -0,0 +1,525 @@
+/* v3_conf.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * Copyright (c) 1999-2002 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).
+ *
+ */
+/* extension creation utilities */
+
+
+
+#include <stdio.h>
+#include <ctype.h>
+#include "cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+static int v3_check_critical(char **value);
+static int v3_check_generic(char **value);
+static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid, int crit, char *value);
+static X509_EXTENSION *v3_generic_extension(const char *ext, char *value, int crit, int type, X509V3_CTX *ctx);
+static char *conf_lhash_get_string(void *db, char *section, char *value);
+static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, char *section);
+static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int ext_nid,
+				  int crit, void *ext_struc);
+static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx, long *ext_len);
+/* CONF *conf:  Config file    */
+/* char *name:  Name    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, char *name,
+				 char *value)
+	{
+	int crit;
+	int ext_type;
+	X509_EXTENSION *ret;
+	crit = v3_check_critical(&value);
+	if ((ext_type = v3_check_generic(&value))) 
+		return v3_generic_extension(name, value, crit, ext_type, ctx);
+	ret = do_ext_nconf(conf, ctx, OBJ_sn2nid(name), crit, value);
+	if (!ret)
+		{
+		X509V3err(X509V3_F_X509V3_EXT_NCONF,X509V3_R_ERROR_IN_EXTENSION);
+		ERR_add_error_data(4,"name=", name, ", value=", value);
+		}
+	return ret;
+	}
+
+/* CONF *conf:  Config file    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid,
+				     char *value)
+	{
+	int crit;
+	int ext_type;
+	crit = v3_check_critical(&value);
+	if ((ext_type = v3_check_generic(&value))) 
+		return v3_generic_extension(OBJ_nid2sn(ext_nid),
+						 value, crit, ext_type, ctx);
+	return do_ext_nconf(conf, ctx, ext_nid, crit, value);
+	}
+
+/* CONF *conf:  Config file    */
+/* char *value:  Value    */
+static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
+				    int crit, char *value)
+	{
+	const X509V3_EXT_METHOD *method;
+	X509_EXTENSION *ext;
+	STACK_OF(CONF_VALUE) *nval;
+	void *ext_struc;
+	if (ext_nid == NID_undef)
+		{
+		X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_UNKNOWN_EXTENSION_NAME);
+		return NULL;
+		}
+	if (!(method = X509V3_EXT_get_nid(ext_nid)))
+		{
+		X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_UNKNOWN_EXTENSION);
+		return NULL;
+		}
+	/* Now get internal extension representation based on type */
+	if (method->v2i)
+		{
+		if(*value == '@') nval = NCONF_get_section(conf, value + 1);
+		else nval = X509V3_parse_list(value);
+		if(sk_CONF_VALUE_num(nval) <= 0)
+			{
+			X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_INVALID_EXTENSION_STRING);
+			ERR_add_error_data(4, "name=", OBJ_nid2sn(ext_nid), ",section=", value);
+			return NULL;
+			}
+		ext_struc = method->v2i(method, ctx, nval);
+		if(*value != '@') sk_CONF_VALUE_pop_free(nval,
+							 X509V3_conf_free);
+		if(!ext_struc) return NULL;
+		}
+	else if(method->s2i)
+		{
+		if(!(ext_struc = method->s2i(method, ctx, value))) return NULL;
+		}
+	else if(method->r2i)
+		{
+		if(!ctx->db || !ctx->db_meth)
+			{
+			X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_NO_CONFIG_DATABASE);
+			return NULL;
+			}
+		if(!(ext_struc = method->r2i(method, ctx, value))) return NULL;
+		}
+	else
+		{
+		X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
+		ERR_add_error_data(2, "name=", OBJ_nid2sn(ext_nid));
+		return NULL;
+		}
+
+	ext  = do_ext_i2d(method, ext_nid, crit, ext_struc);
+	if(method->it) ASN1_item_free(ext_struc, ASN1_ITEM_ptr(method->it));
+	else method->ext_free(ext_struc);
+	return ext;
+
+	}
+
+static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int ext_nid,
+				  int crit, void *ext_struc)
+	{
+	unsigned char *ext_der;
+	int ext_len;
+	ASN1_OCTET_STRING *ext_oct;
+	X509_EXTENSION *ext;
+	/* Convert internal representation to DER */
+	if (method->it)
+		{
+		ext_der = NULL;
+		ext_len = ASN1_item_i2d(ext_struc, &ext_der, ASN1_ITEM_ptr(method->it));
+		if (ext_len < 0) goto merr;
+		}
+	 else
+		{
+		unsigned char *p;
+		ext_len = method->i2d(ext_struc, NULL);
+		if(!(ext_der = OPENSSL_malloc(ext_len))) goto merr;
+		p = ext_der;
+		method->i2d(ext_struc, &p);
+		}
+	if (!(ext_oct = M_ASN1_OCTET_STRING_new())) goto merr;
+	ext_oct->data = ext_der;
+	ext_oct->length = ext_len;
+
+	ext = X509_EXTENSION_create_by_NID(NULL, ext_nid, crit, ext_oct);
+	if (!ext) goto merr;
+	M_ASN1_OCTET_STRING_free(ext_oct);
+
+	return ext;
+
+	merr:
+	X509V3err(X509V3_F_DO_EXT_I2D,ERR_R_MALLOC_FAILURE);
+	return NULL;
+
+	}
+
+/* Given an internal structure, nid and critical flag create an extension */
+
+X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc)
+	{
+	const X509V3_EXT_METHOD *method;
+	if (!(method = X509V3_EXT_get_nid(ext_nid))) {
+		X509V3err(X509V3_F_X509V3_EXT_I2D,X509V3_R_UNKNOWN_EXTENSION);
+		return NULL;
+	}
+	return do_ext_i2d(method, ext_nid, crit, ext_struc);
+}
+
+/* Check the extension string for critical flag */
+static int v3_check_critical(char **value)
+{
+	char *p = *value;
+	if ((strlen(p) < 9) || strncmp(p, "critical,", 9)) return 0;
+	p+=9;
+	while(isspace((unsigned char)*p)) p++;
+	*value = p;
+	return 1;
+}
+
+/* Check extension string for generic extension and return the type */
+static int v3_check_generic(char **value)
+{
+	int gen_type = 0;
+	char *p = *value;
+	if ((strlen(p) >= 4) && !strncmp(p, "DER:", 4))
+		{
+		p+=4;
+		gen_type = 1;
+		}
+	else if ((strlen(p) >= 5) && !strncmp(p, "ASN1:", 5))
+		{
+		p+=5;
+		gen_type = 2;
+		}
+	else
+		return 0;
+
+	while (isspace((unsigned char)*p)) p++;
+	*value = p;
+	return gen_type;
+}
+
+/* Create a generic extension: for now just handle DER type */
+static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
+					    int crit, int gen_type,
+					    X509V3_CTX *ctx)
+	{
+	unsigned char *ext_der=NULL;
+	long ext_len;
+	ASN1_OBJECT *obj=NULL;
+	ASN1_OCTET_STRING *oct=NULL;
+	X509_EXTENSION *extension=NULL;
+	if (!(obj = OBJ_txt2obj(ext, 0)))
+		{
+		X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_NAME_ERROR);
+		ERR_add_error_data(2, "name=", ext);
+		goto err;
+		}
+
+	if (gen_type == 1)
+		ext_der = string_to_hex(value, &ext_len);
+	else if (gen_type == 2)
+		ext_der = generic_asn1(value, ctx, &ext_len);
+
+	if (ext_der == NULL)
+		{
+		X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_VALUE_ERROR);
+		ERR_add_error_data(2, "value=", value);
+		goto err;
+		}
+
+	if (!(oct = M_ASN1_OCTET_STRING_new()))
+		{
+		X509V3err(X509V3_F_V3_GENERIC_EXTENSION,ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+
+	oct->data = ext_der;
+	oct->length = ext_len;
+	ext_der = NULL;
+
+	extension = X509_EXTENSION_create_by_OBJ(NULL, obj, crit, oct);
+
+	err:
+	ASN1_OBJECT_free(obj);
+	M_ASN1_OCTET_STRING_free(oct);
+	if(ext_der) OPENSSL_free(ext_der);
+	return extension;
+
+	}
+
+static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx, long *ext_len)
+	{
+	ASN1_TYPE *typ;
+	unsigned char *ext_der = NULL;
+	typ = ASN1_generate_v3(value, ctx);
+	if (typ == NULL)
+		return NULL;
+	*ext_len = i2d_ASN1_TYPE(typ, &ext_der);
+	ASN1_TYPE_free(typ);
+	return ext_der;
+	}
+
+/* This is the main function: add a bunch of extensions based on a config file
+ * section to an extension STACK.
+ */
+
+
+int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, char *section,
+			    STACK_OF(X509_EXTENSION) **sk)
+	{
+	X509_EXTENSION *ext;
+	STACK_OF(CONF_VALUE) *nval;
+	CONF_VALUE *val;	
+	int i;
+	if (!(nval = NCONF_get_section(conf, section))) return 0;
+	for (i = 0; i < sk_CONF_VALUE_num(nval); i++)
+		{
+		val = sk_CONF_VALUE_value(nval, i);
+		if (!(ext = X509V3_EXT_nconf(conf, ctx, val->name, val->value)))
+								return 0;
+		if (sk) X509v3_add_ext(sk, ext, -1);
+		X509_EXTENSION_free(ext);
+		}
+	return 1;
+	}
+
+/* Convenience functions to add extensions to a certificate, CRL and request */
+
+int X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+			 X509 *cert)
+	{
+	STACK_OF(X509_EXTENSION) **sk = NULL;
+	if (cert)
+		sk = &cert->cert_info->extensions;
+	return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
+	}
+
+/* Same as above but for a CRL */
+
+int X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+			     X509_CRL *crl)
+	{
+	STACK_OF(X509_EXTENSION) **sk = NULL;
+	if (crl)
+		sk = &crl->crl->extensions;
+	return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
+	}
+
+/* Add extensions to certificate request */
+
+int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+	     X509_REQ *req)
+	{
+	STACK_OF(X509_EXTENSION) *extlist = NULL, **sk = NULL;
+	int i;
+	if (req)
+		sk = &extlist;
+	i = X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
+	if (!i || !sk)
+		return i;
+	i = X509_REQ_add_extensions(req, extlist);
+	sk_X509_EXTENSION_pop_free(extlist, X509_EXTENSION_free);
+	return i;
+	}
+
+/* Config database functions */
+
+char * X509V3_get_string(X509V3_CTX *ctx, char *name, char *section)
+	{
+	if(!ctx->db || !ctx->db_meth || !ctx->db_meth->get_string)
+		{
+		X509V3err(X509V3_F_X509V3_GET_STRING,X509V3_R_OPERATION_NOT_DEFINED);
+		return NULL;
+		}
+	if (ctx->db_meth->get_string)
+			return ctx->db_meth->get_string(ctx->db, name, section);
+	return NULL;
+	}
+
+STACK_OF(CONF_VALUE) * X509V3_get_section(X509V3_CTX *ctx, char *section)
+	{
+	if(!ctx->db || !ctx->db_meth || !ctx->db_meth->get_section)
+		{
+		X509V3err(X509V3_F_X509V3_GET_SECTION,X509V3_R_OPERATION_NOT_DEFINED);
+		return NULL;
+		}
+	if (ctx->db_meth->get_section)
+			return ctx->db_meth->get_section(ctx->db, section);
+	return NULL;
+	}
+
+void X509V3_string_free(X509V3_CTX *ctx, char *str)
+	{
+	if (!str) return;
+	if (ctx->db_meth->free_string)
+			ctx->db_meth->free_string(ctx->db, str);
+	}
+
+void X509V3_section_free(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *section)
+	{
+	if (!section) return;
+	if (ctx->db_meth->free_section)
+			ctx->db_meth->free_section(ctx->db, section);
+	}
+
+static char *nconf_get_string(void *db, char *section, char *value)
+	{
+	return NCONF_get_string(db, section, value);
+	}
+
+static STACK_OF(CONF_VALUE) *nconf_get_section(void *db, char *section)
+	{
+	return NCONF_get_section(db, section);
+	}
+
+static X509V3_CONF_METHOD nconf_method = {
+nconf_get_string,
+nconf_get_section,
+NULL,
+NULL
+};
+
+void X509V3_set_nconf(X509V3_CTX *ctx, CONF *conf)
+	{
+	ctx->db_meth = &nconf_method;
+	ctx->db = conf;
+	}
+
+void X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subj, X509_REQ *req,
+		    X509_CRL *crl, int flags)
+	{
+	ctx->issuer_cert = issuer;
+	ctx->subject_cert = subj;
+	ctx->crl = crl;
+	ctx->subject_req = req;
+	ctx->flags = flags;
+	}
+
+/* Old conf compatibility functions */
+
+X509_EXTENSION *X509V3_EXT_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+				char *name, char *value)
+	{
+	CONF ctmp;
+	CONF_set_nconf(&ctmp, conf);
+	return X509V3_EXT_nconf(&ctmp, ctx, name, value);
+	}
+
+/* LHASH *conf:  Config file    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+				    int ext_nid, char *value)
+	{
+	CONF ctmp;
+	CONF_set_nconf(&ctmp, conf);
+	return X509V3_EXT_nconf_nid(&ctmp, ctx, ext_nid, value);
+	}
+
+static char *conf_lhash_get_string(void *db, char *section, char *value)
+	{
+	return CONF_get_string(db, section, value);
+	}
+
+static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, char *section)
+	{
+	return CONF_get_section(db, section);
+	}
+
+static X509V3_CONF_METHOD conf_lhash_method = {
+conf_lhash_get_string,
+conf_lhash_get_section,
+NULL,
+NULL
+};
+
+void X509V3_set_conf_lhash(X509V3_CTX *ctx, LHASH_OF(CONF_VALUE) *lhash)
+	{
+	ctx->db_meth = &conf_lhash_method;
+	ctx->db = lhash;
+	}
+
+int X509V3_EXT_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+			char *section, X509 *cert)
+	{
+	CONF ctmp;
+	CONF_set_nconf(&ctmp, conf);
+	return X509V3_EXT_add_nconf(&ctmp, ctx, section, cert);
+	}
+
+/* Same as above but for a CRL */
+
+int X509V3_EXT_CRL_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+			    char *section, X509_CRL *crl)
+	{
+	CONF ctmp;
+	CONF_set_nconf(&ctmp, conf);
+	return X509V3_EXT_CRL_add_nconf(&ctmp, ctx, section, crl);
+	}
+
+/* Add extensions to certificate request */
+
+int X509V3_EXT_REQ_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+			    char *section, X509_REQ *req)
+	{
+	CONF ctmp;
+	CONF_set_nconf(&ctmp, conf);
+	return X509V3_EXT_REQ_add_nconf(&ctmp, ctx, section, req);
+	}