Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/x509v3/v3_conf.c

Index: openssl/crypto/x509v3/v3_conf.c
diff --git a/openssl/crypto/x509v3/v3_conf.c b/openssl/crypto/x509v3/v3_conf.c
deleted file mode 100644
index 6730f9a6ee96f5437f413ec8df3c49cf39b0a5a0..0000000000000000000000000000000000000000
--- a/openssl/crypto/x509v3/v3_conf.c
+++ /dev/null
@@ -1,525 +0,0 @@
-/* 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);
-	}