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Very basic X509 class

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This commit is contained in:
Florian Zeitz 2011-10-08 01:13:14 +02:00
parent 58d01946d9
commit c804feb98b
2 changed files with 182 additions and 0 deletions
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src/X509Certificate.h Normal file
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/*
* 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

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src/X509Certificate.m Normal file
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/*
* 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