Initial commit of BoringSSL for Android.

1 files changed, 353 insertions, 0 deletions

diff --git a/src/crypto/x509/x509_att.c b/src/crypto/x509/x509_att.c
new file mode 100644
index 0000000..3613c35
--- /dev/null
+++ b/src/crypto/x509/x509_att.c
@@ -0,0 +1,353 @@
+/* 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 <openssl/asn1.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/obj.h>
+#include <openssl/stack.h>
+#include <openssl/x509.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)
+{
+	const 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, const 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 || loc < 0 || sk_X509_ATTRIBUTE_num(x) <= (size_t) loc)
+		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 || loc < 0 || sk_X509_ATTRIBUTE_num(x) <= (size_t) loc)
+		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)
+		{
+		OPENSSL_PUT_ERROR(X509, 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:
+	OPENSSL_PUT_ERROR(X509, 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)
+{
+	const ASN1_OBJECT *obj;
+
+	obj=OBJ_nid2obj(nid);
+	if (obj == NULL)
+		{
+		OPENSSL_PUT_ERROR(X509, X509_ATTRIBUTE_create_by_NID, X509_R_UNKNOWN_NID);
+		return(NULL);
+		}
+	return X509_ATTRIBUTE_create_by_OBJ(attr,obj,atrtype,data,len);
+}
+
+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)
+			{
+			OPENSSL_PUT_ERROR(X509, 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)
+		{
+		OPENSSL_PUT_ERROR(X509, 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) {
+			OPENSSL_PUT_ERROR(X509, 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:
+	OPENSSL_PUT_ERROR(X509, 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)){
+		OPENSSL_PUT_ERROR(X509, 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;
+}