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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/x509/x509_att.c
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Diffstat (limited to 'openssl/crypto/x509/x509_att.c')
-rw-r--r--openssl/crypto/x509/x509_att.c359
1 files changed, 359 insertions, 0 deletions
diff --git a/openssl/crypto/x509/x509_att.c b/openssl/crypto/x509/x509_att.c
new file mode 100644
index 000000000..98460e892
--- /dev/null
+++ b/openssl/crypto/x509/x509_att.c
@@ -0,0 +1,359 @@
+/* crypto/x509/x509_att.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 X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
+{
+ return sk_X509_ATTRIBUTE_num(x);
+}
+
+int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
+ int lastpos)
+{
+ ASN1_OBJECT *obj;
+
+ obj=OBJ_nid2obj(nid);
+ if (obj == NULL) return(-2);
+ return(X509at_get_attr_by_OBJ(x,obj,lastpos));
+}
+
+int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, ASN1_OBJECT *obj,
+ int lastpos)
+{
+ int n;
+ X509_ATTRIBUTE *ex;
+
+ if (sk == NULL) return(-1);
+ lastpos++;
+ if (lastpos < 0)
+ lastpos=0;
+ n=sk_X509_ATTRIBUTE_num(sk);
+ for ( ; lastpos < n; lastpos++)
+ {
+ ex=sk_X509_ATTRIBUTE_value(sk,lastpos);
+ if (OBJ_cmp(ex->object,obj) == 0)
+ return(lastpos);
+ }
+ return(-1);
+}
+
+X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc)
+{
+ if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
+ return NULL;
+ else
+ return sk_X509_ATTRIBUTE_value(x,loc);
+}
+
+X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
+{
+ X509_ATTRIBUTE *ret;
+
+ if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
+ return(NULL);
+ ret=sk_X509_ATTRIBUTE_delete(x,loc);
+ return(ret);
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
+ X509_ATTRIBUTE *attr)
+{
+ X509_ATTRIBUTE *new_attr=NULL;
+ STACK_OF(X509_ATTRIBUTE) *sk=NULL;
+
+ if (x == NULL)
+ {
+ X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER);
+ goto err2;
+ }
+
+ if (*x == NULL)
+ {
+ if ((sk=sk_X509_ATTRIBUTE_new_null()) == NULL)
+ goto err;
+ }
+ else
+ sk= *x;
+
+ if ((new_attr=X509_ATTRIBUTE_dup(attr)) == NULL)
+ goto err2;
+ if (!sk_X509_ATTRIBUTE_push(sk,new_attr))
+ goto err;
+ if (*x == NULL)
+ *x=sk;
+ return(sk);
+err:
+ X509err(X509_F_X509AT_ADD1_ATTR,ERR_R_MALLOC_FAILURE);
+err2:
+ if (new_attr != NULL) X509_ATTRIBUTE_free(new_attr);
+ if (sk != NULL) sk_X509_ATTRIBUTE_free(sk);
+ return(NULL);
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x,
+ const ASN1_OBJECT *obj, int type,
+ const unsigned char *bytes, int len)
+{
+ X509_ATTRIBUTE *attr;
+ STACK_OF(X509_ATTRIBUTE) *ret;
+ attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
+ if(!attr) return 0;
+ ret = X509at_add1_attr(x, attr);
+ X509_ATTRIBUTE_free(attr);
+ return ret;
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x,
+ int nid, int type,
+ const unsigned char *bytes, int len)
+{
+ X509_ATTRIBUTE *attr;
+ STACK_OF(X509_ATTRIBUTE) *ret;
+ attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
+ if(!attr) return 0;
+ ret = X509at_add1_attr(x, attr);
+ X509_ATTRIBUTE_free(attr);
+ return ret;
+}
+
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
+ const char *attrname, int type,
+ const unsigned char *bytes, int len)
+{
+ X509_ATTRIBUTE *attr;
+ STACK_OF(X509_ATTRIBUTE) *ret;
+ attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
+ if(!attr) return 0;
+ ret = X509at_add1_attr(x, attr);
+ X509_ATTRIBUTE_free(attr);
+ return ret;
+}
+
+void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
+ ASN1_OBJECT *obj, int lastpos, int type)
+{
+ int i;
+ X509_ATTRIBUTE *at;
+ i = X509at_get_attr_by_OBJ(x, obj, lastpos);
+ if (i == -1)
+ return NULL;
+ if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1))
+ return NULL;
+ at = X509at_get_attr(x, i);
+ if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1))
+ return NULL;
+ return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
+}
+
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
+ int atrtype, const void *data, int len)
+{
+ ASN1_OBJECT *obj;
+ X509_ATTRIBUTE *ret;
+
+ obj=OBJ_nid2obj(nid);
+ if (obj == NULL)
+ {
+ X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID,X509_R_UNKNOWN_NID);
+ return(NULL);
+ }
+ ret=X509_ATTRIBUTE_create_by_OBJ(attr,obj,atrtype,data,len);
+ if (ret == NULL) ASN1_OBJECT_free(obj);
+ return(ret);
+}
+
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
+ const ASN1_OBJECT *obj, int atrtype, const void *data, int len)
+{
+ X509_ATTRIBUTE *ret;
+
+ if ((attr == NULL) || (*attr == NULL))
+ {
+ if ((ret=X509_ATTRIBUTE_new()) == NULL)
+ {
+ X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ,ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ }
+ else
+ ret= *attr;
+
+ if (!X509_ATTRIBUTE_set1_object(ret,obj))
+ goto err;
+ if (!X509_ATTRIBUTE_set1_data(ret,atrtype,data,len))
+ goto err;
+
+ if ((attr != NULL) && (*attr == NULL)) *attr=ret;
+ return(ret);
+err:
+ if ((attr == NULL) || (ret != *attr))
+ X509_ATTRIBUTE_free(ret);
+ return(NULL);
+}
+
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
+ const char *atrname, int type, const unsigned char *bytes, int len)
+ {
+ ASN1_OBJECT *obj;
+ X509_ATTRIBUTE *nattr;
+
+ obj=OBJ_txt2obj(atrname, 0);
+ if (obj == NULL)
+ {
+ X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT,
+ X509_R_INVALID_FIELD_NAME);
+ ERR_add_error_data(2, "name=", atrname);
+ return(NULL);
+ }
+ nattr = X509_ATTRIBUTE_create_by_OBJ(attr,obj,type,bytes,len);
+ ASN1_OBJECT_free(obj);
+ return nattr;
+ }
+
+int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
+{
+ if ((attr == NULL) || (obj == NULL))
+ return(0);
+ ASN1_OBJECT_free(attr->object);
+ attr->object=OBJ_dup(obj);
+ return(1);
+}
+
+int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, const void *data, int len)
+{
+ ASN1_TYPE *ttmp;
+ ASN1_STRING *stmp = NULL;
+ int atype = 0;
+ if (!attr) return 0;
+ if(attrtype & MBSTRING_FLAG) {
+ stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
+ OBJ_obj2nid(attr->object));
+ if(!stmp) {
+ X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB);
+ return 0;
+ }
+ atype = stmp->type;
+ } else if (len != -1){
+ if(!(stmp = ASN1_STRING_type_new(attrtype))) goto err;
+ if(!ASN1_STRING_set(stmp, data, len)) goto err;
+ atype = attrtype;
+ }
+ if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err;
+ attr->single = 0;
+ /* This is a bit naughty because the attribute should really have
+ * at least one value but some types use and zero length SET and
+ * require this.
+ */
+ if (attrtype == 0)
+ return 1;
+ if(!(ttmp = ASN1_TYPE_new())) goto err;
+ if ((len == -1) && !(attrtype & MBSTRING_FLAG))
+ {
+ if (!ASN1_TYPE_set1(ttmp, attrtype, data))
+ goto err;
+ }
+ else
+ ASN1_TYPE_set(ttmp, atype, stmp);
+ if(!sk_ASN1_TYPE_push(attr->value.set, ttmp)) goto err;
+ return 1;
+ err:
+ X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE);
+ return 0;
+}
+
+int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr)
+{
+ if(!attr->single) return sk_ASN1_TYPE_num(attr->value.set);
+ if(attr->value.single) return 1;
+ return 0;
+}
+
+ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr)
+{
+ if (attr == NULL) return(NULL);
+ return(attr->object);
+}
+
+void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
+ int atrtype, void *data)
+{
+ ASN1_TYPE *ttmp;
+ ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
+ if(!ttmp) return NULL;
+ if(atrtype != ASN1_TYPE_get(ttmp)){
+ X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE);
+ return NULL;
+ }
+ return ttmp->value.ptr;
+}
+
+ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
+{
+ if (attr == NULL) return(NULL);
+ if(idx >= X509_ATTRIBUTE_count(attr)) return NULL;
+ if(!attr->single) return sk_ASN1_TYPE_value(attr->value.set, idx);
+ else return attr->value.single;
+}