1 files changed, 366 insertions, 0 deletions

diff --git a/src/lib/libcrypto/x509v3/v3_conf.c b/src/lib/libcrypto/x509v3/v3_conf.c
new file mode 100644
index 0000000000..f19bb3ad84
--- /dev/null
+++ b/src/lib/libcrypto/x509v3/v3_conf.c
@@ -0,0 +1,366 @@
+/* v3_conf.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).
+ *
+ */
+/* 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_conf(LHASH *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);
+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(X509V3_EXT_METHOD *method, int ext_nid,
+                                                 int crit, void *ext_struc);
+/* LHASH *conf:  Config file    */
+/* char *name:  Name    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_conf(LHASH *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);
+        ret = do_ext_conf(conf, ctx, OBJ_sn2nid(name), crit, value);
+        if(!ret) {
+                X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_ERROR_IN_EXTENSION);
+                ERR_add_error_data(4,"name=", name, ", value=", value);
+        }
+        return ret;
+}
+
+/* LHASH *conf:  Config file    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_conf_nid(LHASH *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);
+        return do_ext_conf(conf, ctx, ext_nid, crit, value);
+}
+
+/* LHASH *conf:  Config file    */
+/* char *value:  Value    */
+static X509_EXTENSION *do_ext_conf(LHASH *conf, X509V3_CTX *ctx, int ext_nid,
+             int crit, char *value)
+{
+        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_CONF,X509V3_R_UNKNOWN_EXTENSION_NAME);
+                return NULL;
+        }
+        if(!(method = X509V3_EXT_get_nid(ext_nid))) {
+                X509V3err(X509V3_F_DO_EXT_CONF,X509V3_R_UNKNOWN_EXTENSION);
+                return NULL;
+        }
+        /* Now get internal extension representation based on type */
+        if(method->v2i) {
+                if(*value == '@') nval = CONF_get_section(conf, value + 1);
+                else nval = X509V3_parse_list(value);
+                if(!nval) {
+                        X509V3err(X509V3_F_X509V3_EXT_CONF,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) {
+                        X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_NO_CONFIG_DATABASE);
+                        return NULL;
+                }
+                if(!(ext_struc = method->r2i(method, ctx, value))) return NULL;
+        } else {
+                X509V3err(X509V3_F_X509V3_EXT_CONF,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);
+        method->ext_free(ext_struc);
+        return ext;
+
+}
+
+static X509_EXTENSION *do_ext_i2d(X509V3_EXT_METHOD *method, int ext_nid,
+                                                 int crit, void *ext_struc)
+{
+        unsigned char *ext_der, *p;
+        int ext_len;
+        ASN1_OCTET_STRING *ext_oct;
+        X509_EXTENSION *ext;
+        /* Convert internal representation to DER */
+        ext_len = method->i2d(ext_struc, NULL);
+        if(!(ext_der = Malloc(ext_len))) goto merr;
+        p = ext_der;
+        method->i2d(ext_struc, &p);
+        if(!(ext_oct = 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;
+        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)
+{
+        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)
+{
+        char *p = *value;
+        if((strlen(p) < 4) || strncmp(p, "DER:,", 4)) return 0;
+        p+=4;
+        while(isspace((unsigned char)*p)) p++;
+        *value = p;
+        return 1;
+}
+
+/* Create a generic extension: for now just handle RAW type */
+static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
+             int crit, int type)
+{
+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(!(ext_der = string_to_hex(value, &ext_len))) {
+        X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_VALUE_ERROR);
+        ERR_add_error_data(2, "value=", value);
+        goto err;
+}
+
+if(!(oct = 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);
+ASN1_OCTET_STRING_free(oct);
+if(ext_der) Free(ext_der);
+return extension;
+}
+
+
+/* This is the main function: add a bunch of extensions based on a config file
+ * section
+ */
+
+int X509V3_EXT_add_conf(LHASH *conf, X509V3_CTX *ctx, char *section,
+             X509 *cert)
+{
+        X509_EXTENSION *ext;
+        STACK_OF(CONF_VALUE) *nval;
+        CONF_VALUE *val;        
+        int i;
+        if(!(nval = CONF_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_conf(conf, ctx, val->name, val->value)))
+                                                                return 0;
+                if(cert) X509_add_ext(cert, ext, -1);
+                X509_EXTENSION_free(ext);
+        }
+        return 1;
+}
+
+/* Same as above but for a CRL */
+
+int X509V3_EXT_CRL_add_conf(LHASH *conf, X509V3_CTX *ctx, char *section,
+             X509_CRL *crl)
+{
+        X509_EXTENSION *ext;
+        STACK_OF(CONF_VALUE) *nval;
+        CONF_VALUE *val;        
+        int i;
+        if(!(nval = CONF_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_conf(conf, ctx, val->name, val->value)))
+                                                                return 0;
+                if(crl) X509_CRL_add_ext(crl, ext, -1);
+                X509_EXTENSION_free(ext);
+        }
+        return 1;
+}
+
+/* Config database functions */
+
+char * X509V3_get_string(X509V3_CTX *ctx, char *name, char *section)
+{
+        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_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 *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 *lhash)
+{
+        ctx->db_meth = &conf_lhash_method;
+        ctx->db = lhash;
+}
+
+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;
+}