--- /dev/null
+/* crypto/x509/x509_v3.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <openssl/stack.h>
+#include "cryptlib.h"
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+int X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x)
+ {
+ if (x == NULL) return(0);
+ return(sk_X509_EXTENSION_num(x));
+ }
+
+int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid,
+ int lastpos)
+ {
+ ASN1_OBJECT *obj;
+
+ obj=OBJ_nid2obj(nid);
+ if (obj == NULL) return(-2);
+ return(X509v3_get_ext_by_OBJ(x,obj,lastpos));
+ }
+
+int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *sk, ASN1_OBJECT *obj,
+ int lastpos)
+ {
+ int n;
+ X509_EXTENSION *ex;
+
+ if (sk == NULL) return(-1);
+ lastpos++;
+ if (lastpos < 0)
+ lastpos=0;
+ n=sk_X509_EXTENSION_num(sk);
+ for ( ; lastpos < n; lastpos++)
+ {
+ ex=sk_X509_EXTENSION_value(sk,lastpos);
+ if (OBJ_cmp(ex->object,obj) == 0)
+ return(lastpos);
+ }
+ return(-1);
+ }
+
+int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit,
+ int lastpos)
+ {
+ int n;
+ X509_EXTENSION *ex;
+
+ if (sk == NULL) return(-1);
+ lastpos++;
+ if (lastpos < 0)
+ lastpos=0;
+ n=sk_X509_EXTENSION_num(sk);
+ for ( ; lastpos < n; lastpos++)
+ {
+ ex=sk_X509_EXTENSION_value(sk,lastpos);
+ if ( ((ex->critical > 0) && crit) ||
+ ((ex->critical <= 0) && !crit))
+ return(lastpos);
+ }
+ return(-1);
+ }
+
+X509_EXTENSION *X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc)
+ {
+ if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
+ return NULL;
+ else
+ return sk_X509_EXTENSION_value(x,loc);
+ }
+
+X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc)
+ {
+ X509_EXTENSION *ret;
+
+ if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
+ return(NULL);
+ ret=sk_X509_EXTENSION_delete(x,loc);
+ return(ret);
+ }
+
+STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
+ X509_EXTENSION *ex, int loc)
+ {
+ X509_EXTENSION *new_ex=NULL;
+ int n;
+ STACK_OF(X509_EXTENSION) *sk=NULL;
+
+ if (x == NULL)
+ {
+ X509err(X509_F_X509V3_ADD_EXT,ERR_R_PASSED_NULL_PARAMETER);
+ goto err2;
+ }
+
+ if (*x == NULL)
+ {
+ if ((sk=sk_X509_EXTENSION_new_null()) == NULL)
+ goto err;
+ }
+ else
+ sk= *x;
+
+ n=sk_X509_EXTENSION_num(sk);
+ if (loc > n) loc=n;
+ else if (loc < 0) loc=n;
+
+ if ((new_ex=X509_EXTENSION_dup(ex)) == NULL)
+ goto err2;
+ if (!sk_X509_EXTENSION_insert(sk,new_ex,loc))
+ goto err;
+ if (*x == NULL)
+ *x=sk;
+ return(sk);
+err:
+ X509err(X509_F_X509V3_ADD_EXT,ERR_R_MALLOC_FAILURE);
+err2:
+ if (new_ex != NULL) X509_EXTENSION_free(new_ex);
+ if (sk != NULL) sk_X509_EXTENSION_free(sk);
+ return(NULL);
+ }
+
+X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid,
+ int crit, ASN1_OCTET_STRING *data)
+ {
+ ASN1_OBJECT *obj;
+ X509_EXTENSION *ret;
+
+ obj=OBJ_nid2obj(nid);
+ if (obj == NULL)
+ {
+ X509err(X509_F_X509_EXTENSION_CREATE_BY_NID,X509_R_UNKNOWN_NID);
+ return(NULL);
+ }
+ ret=X509_EXTENSION_create_by_OBJ(ex,obj,crit,data);
+ if (ret == NULL) ASN1_OBJECT_free(obj);
+ return(ret);
+ }
+
+X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex,
+ ASN1_OBJECT *obj, int crit, ASN1_OCTET_STRING *data)
+ {
+ X509_EXTENSION *ret;
+
+ if ((ex == NULL) || (*ex == NULL))
+ {
+ if ((ret=X509_EXTENSION_new()) == NULL)
+ {
+ X509err(X509_F_X509_EXTENSION_CREATE_BY_OBJ,ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ }
+ else
+ ret= *ex;
+
+ if (!X509_EXTENSION_set_object(ret,obj))
+ goto err;
+ if (!X509_EXTENSION_set_critical(ret,crit))
+ goto err;
+ if (!X509_EXTENSION_set_data(ret,data))
+ goto err;
+
+ if ((ex != NULL) && (*ex == NULL)) *ex=ret;
+ return(ret);
+err:
+ if ((ex == NULL) || (ret != *ex))
+ X509_EXTENSION_free(ret);
+ return(NULL);
+ }
+
+int X509_EXTENSION_set_object(X509_EXTENSION *ex, ASN1_OBJECT *obj)
+ {
+ if ((ex == NULL) || (obj == NULL))
+ return(0);
+ ASN1_OBJECT_free(ex->object);
+ ex->object=OBJ_dup(obj);
+ return(1);
+ }
+
+int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit)
+ {
+ if (ex == NULL) return(0);
+ ex->critical=(crit)?0xFF:-1;
+ return(1);
+ }
+
+int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data)
+ {
+ int i;
+
+ if (ex == NULL) return(0);
+ i=M_ASN1_OCTET_STRING_set(ex->value,data->data,data->length);
+ if (!i) return(0);
+ return(1);
+ }
+
+ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex)
+ {
+ if (ex == NULL) return(NULL);
+ return(ex->object);
+ }
+
+ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ex)
+ {
+ if (ex == NULL) return(NULL);
+ return(ex->value);
+ }
+
+int X509_EXTENSION_get_critical(X509_EXTENSION *ex)
+ {
+ if (ex == NULL) return(0);
+ if(ex->critical > 0) return 1;
+ return 0;
+ }
projects / cassiopeia.git / blobdiff