/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#import "OFObject.h"
#import "OFString.h"
OF_ASSUME_NONNULL_BEGIN
/*! @file */
@class OFData;
/*!
* @brief The class of a DNS resource record.
*/
typedef enum {
/*! IN */
OF_DNS_RESOURCE_RECORD_CLASS_IN = 1,
/*! Any class. Only for queries. */
OF_DNS_RESOURCE_RECORD_CLASS_ANY = 255,
} of_dns_resource_record_class_t;
/*!
* @brief The type of a DNS resource record.
*/
typedef enum {
/*! A */
OF_DNS_RESOURCE_RECORD_TYPE_A = 1,
/*! NS */
OF_DNS_RESOURCE_RECORD_TYPE_NS = 2,
/*! CNAME */
OF_DNS_RESOURCE_RECORD_TYPE_CNAME = 5,
/*! SOA */
OF_DNS_RESOURCE_RECORD_TYPE_SOA = 6,
/*! PTR */
OF_DNS_RESOURCE_RECORD_TYPE_PTR = 12,
/*! HINFO */
OF_DNS_RESOURCE_RECORD_TYPE_HINFO = 13,
/*! MX */
OF_DNS_RESOURCE_RECORD_TYPE_MX = 15,
/*! TXT */
OF_DNS_RESOURCE_RECORD_TYPE_TXT = 16,
/*! AAAA */
OF_DNS_RESOURCE_RECORD_TYPE_AAAA = 28,
/*! All types. Only for queries. */
OF_DNS_RESOURCE_RECORD_TYPE_ALL = 255,
} of_dns_resource_record_type_t;
/*!
* @class OFDNSResourceRecord OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class representing a DNS resource record.
*/
@interface OFDNSResourceRecord: OFObject
{
OFString *_name;
of_dns_resource_record_class_t _recordClass;
of_dns_resource_record_type_t _recordType;
uint32_t _TTL;
}
/**
* @brief The domain name to which the resource record belongs.
*/
@property (readonly, nonatomic) OFString *name;
/*!
* @brief The resource record class code.
*/
@property (readonly, nonatomic) of_dns_resource_record_class_t recordClass;
/*!
* @brief The resource record type code.
*/
@property (readonly, nonatomic) of_dns_resource_record_type_t recordType;
/*!
* @brief The number of seconds after which the resource record should be
* discarded from the cache.
*/
@property (readonly, nonatomic) uint32_t TTL;
/*!
* @brief Initializes an already allocated OFDNSResourceRecord with the
* specified name, class, type, data and time to live.
*
* @param name The name for the resource record
* @param recordClass The class code for the resource record
* @param recordType The type code for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
/*!
* @class OFADNSResourceRecord OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class representing an A DNS resource record.
*/
@interface OFADNSResourceRecord: OFDNSResourceRecord
{
OFString *_address;
}
/*!
* The IPv4 address of the resource record.
*/
@property (readonly, nonatomic) OFString *address;
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_UNAVAILABLE;
/*!
* @brief Initializes an already allocated OFADNSResourceRecord with the
* specified name, class, address and time to live.
*
* @param name The name for the resource record
* @param address The address for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
address: (OFString *)address
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
/*!
* @class OFAAAADNSResourceRecord \
* OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class represenging a DNS resource record.
*/
@interface OFAAAADNSResourceRecord: OFDNSResourceRecord
{
OFString *_address;
}
/*!
* The IPv6 address of the resource record.
*/
@property (readonly, nonatomic) OFString *address;
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_UNAVAILABLE;
/*!
* @brief Initializes an already allocated OFAAAADNSResourceRecord with the
* specified name, class, address and time to live.
*
* @param name The name for the resource record
* @param address The address for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
address: (OFString *)address
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
/*!
* @class OFCNAMEDNSResourceRecord \
* OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class representing a CNAME DNS resource record.
*/
@interface OFCNAMEDNSResourceRecord: OFDNSResourceRecord
{
OFString *_alias;
}
/*!
* The alias of the resource record.
*/
@property (readonly, nonatomic) OFString *alias;
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_UNAVAILABLE;
/*!
* @brief Initializes an already allocated OFCNAMEDNSResourceRecord with the
* specified name, class, alias and time to live.
*
* @param name The name for the resource record
* @param recordClass The class code for the resource record
* @param alias The alias for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
alias: (OFString *)alias
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
/*!
* @class OFMXDNSResourceRecord \
* OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class representing an MX DNS resource record.
*/
@interface OFMXDNSResourceRecord: OFDNSResourceRecord
{
uint16_t _preference;
OFString *_mailExchange;
}
/*!
* The preference of the resource record.
*/
@property (readonly, nonatomic) uint16_t preference;
/*!
* The mail exchange of the resource record.
*/
@property (readonly, nonatomic) OFString *mailExchange;
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_UNAVAILABLE;
/*!
* @brief Initializes an already allocated OFMXDNSResourceRecord with the
* specified name, class, preference, mail exchange and time to live.
*
* @param name The name for the resource record
* @param recordClass The class code for the resource record
* @param preference The preference for the resource record
* @param mailExchange The mail exchange for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
preference: (uint16_t)preference
mailExchange: (OFString *)mailExchange
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
/*!
* @class OFNSDNSResourceRecord \
* OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class representing an NS DNS resource record.
*/
@interface OFNSDNSResourceRecord: OFDNSResourceRecord
{
OFString *_authoritativeHost;
}
/*!
* The authoritative host of the resource record.
*/
@property (readonly, nonatomic) OFString *authoritativeHost;
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_UNAVAILABLE;
/*!
* @brief Initializes an already allocated OFNSDNSResourceRecord with the
* specified name, class, authoritative host and time to live.
*
* @param name The name for the resource record
* @param recordClass The class code for the resource record
* @param authoritativeHost The authoritative host for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
authoritativeHost: (OFString *)authoritativeHost
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
/*!
* @class OFPTRDNSResourceRecord \
* OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class representing a PTR DNS resource record.
*/
@interface OFPTRDNSResourceRecord: OFDNSResourceRecord
{
OFString *_domainName;
}
/*!
* The domain name of the resource record.
*/
@property (readonly, nonatomic) OFString *domainName;
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_UNAVAILABLE;
/*!
* @brief Initializes an already allocated OFPTRDNSResourceRecord with the
* specified name, class, domain name and time to live.
*
* @param name The name for the resource record
* @param recordClass The class code for the resource record
* @param domainName The domain name for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
domainName: (OFString *)domainName
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
/*!
* @class OFTXTDNSResourceRecord \
* OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
*
* @brief A class representing a TXT DNS resource record.
*/
@interface OFTXTDNSResourceRecord: OFDNSResourceRecord
{
OFData *_textData;
}
/*!
* The text of the resource record.
*/
@property (readonly, nonatomic) OFData *textData;
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
TTL: (uint32_t)TTL OF_UNAVAILABLE;
/*!
* @brief Initializes an already allocated OFTXTDNSResourceRecord with the
* specified name, class, text data and time to live.
*
* @param name The name for the resource record
* @param recordClass The class code for the resource record
* @param textData The data for the resource record
* @param TTL The time to live for the resource record
*/
- (instancetype)initWithName: (OFString *)name
recordClass: (of_dns_resource_record_class_t)recordClass
textData: (OFData *)textData
TTL: (uint32_t)TTL OF_DESIGNATED_INITIALIZER;
@end
#ifdef __cplusplus
extern "C" {
#endif
extern OFString *_Nonnull of_dns_resource_record_class_to_string(
of_dns_resource_record_class_t recordClass);
extern OFString *_Nonnull of_dns_resource_record_type_to_string(
of_dns_resource_record_type_t recordType);
#ifdef __cplusplus
}
#endif
OF_ASSUME_NONNULL_END