Very basic X509 class

src/X509Certificate.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2011, Florian Zeitz <florob@babelmonkeys.de>
+ *
+ * https://webkeks.org/hg/objopenssl/
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER 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.
+ */
+
+#include <openssl/x509.h>
+
+#import <ObjFW/OFObject.h>
+@class OFDictionary;
+
+@interface X509Certificate: OFObject
+{
+	X509 *crt;
+}
+
+#ifdef OF_HAVE_PROPERTIES
+// @property (opts) Type *name;
+#endif
+
+- initWithFile: (OFString*)file;
+- initWithStruct: (X509*)cert;
+- (OFDictionary*)issuer;
+- (OFDictionary*)subject;
+- (OFDictionary*)X509_dictionaryFromX509Name: (X509_NAME*)name;
+@end

src/X509Certificate.m

@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2011, Florian Zeitz <florob@babelmonkeys.de>
+ *
+ * https://webkeks.org/hg/objopenssl/
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER 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.
+ */
+
+#include <openssl/crypto.h>
+
+#import "X509Certificate.h"
+
+#import <ObjFW/OFAutoreleasePool.h>
+#import <ObjFW/OFDataArray.h>
+#import <ObjFW/OFDictionary.h>
+#import <ObjFW/OFFile.h>
+#import <ObjFW/OFInitializationFailedException.h>
+#import <ObjFW/OFInvalidEncodingException.h>
+#import <ObjFW/OFList.h>
+#import <ObjFW/OFMutableDictionary.h>
+#import <ObjFW/OFString.h>
+
+@implementation X509Certificate
+- initWithFile: (OFString*)file
+{
+	self = [self init];
+
+	@try {
+		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
+		OFFile *fd = [OFFile fileWithPath: file
+					     mode: @"r"];
+		OFDataArray *data = [fd readDataArrayTillEndOfStream];
+		[fd close];
+		const unsigned char *dataCArray = [data cArray];
+		crt = d2i_X509(NULL, &dataCArray, [data count]);
+		[pool release];
+		if (crt == NULL)
+			@throw [OFInitializationFailedException
+				    exceptionWithClass: isa];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
+
+	return self;
+}
+
+- initWithStruct: (X509*)cert
+{
+	self = [self init];
+
+	@try {
+		crt = X509_dup(cert);
+		if (crt == NULL)
+			@throw [OFInitializationFailedException
+				    exceptionWithClass: isa];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
+
+	return self;
+}
+
+- (void)dealloc
+{
+	if (crt != NULL)
+		X509_free(crt);
+
+	[super dealloc];
+}
+
+- (OFDictionary*)issuer
+{
+	X509_NAME *name = X509_get_issuer_name(crt);
+	return [self X509_dictionaryFromX509Name: name];
+}
+
+- (OFDictionary*)subject
+{
+	X509_NAME *name = X509_get_subject_name(crt);
+	return [self X509_dictionaryFromX509Name: name];
+}
+
+- (OFDictionary*)X509_dictionaryFromX509Name: (X509_NAME*)name
+{
+	int i;
+	int count = X509_NAME_entry_count(name);
+	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
+	OFMutableDictionary *dict = [OFMutableDictionary dictionary];
+
+	for (i = 0; i < count; i++) {
+		int len, buf_len = 256;
+		OFString *key, *value;
+		char *buf = [self allocMemoryWithSize: buf_len];
+		X509_NAME_ENTRY *entry = X509_NAME_get_entry(name, i);
+		ASN1_OBJECT *obj = X509_NAME_ENTRY_get_object(entry);
+		while ((len = OBJ_obj2txt(buf, buf_len, obj, 1)) > buf_len) {
+			buf_len = len;
+			[self resizeMemory: buf
+				    toSize: buf_len];
+		}
+		key = [OFString stringWithUTF8String: buf];
+		[self freeMemory: buf];
+
+		if ([dict objectForKey: key] == nil)
+			[dict setObject: [OFList list]
+				 forKey: key];
+
+		if (ASN1_STRING_to_UTF8((unsigned char**)&buf,
+		    X509_NAME_ENTRY_get_data(entry)) < 0)
+			@throw [OFInvalidEncodingException
+				    exceptionWithClass: isa];
+		value = [OFString stringWithUTF8String: buf];
+		OPENSSL_free(buf);
+
+		[[dict objectForKey: key] appendObject: value];
+	}
+
+	[dict makeImmutable];
+	[dict retain];
+	[pool release];
+
+	return [dict autorelease];
+}
+@end