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#include <errno.h>
#include <string.h>
#include "unistd_wrapper.h"
#import "OFDNSResolver.h"
#import "OFArray.h"
#import "OFCharacterSet.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFDictionary.h"
#import "OFFile.h"
#import "OFLocale.h"
#import "OFNumber.h"
#import "OFPair.h"
#import "OFString.h"
#import "OFTimer.h"
#import "OFUDPSocket.h"
#import "OFUDPSocket+Private.h"
#ifdef OF_WINDOWS
# import "OFWindowsRegistryKey.h"
#endif
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerReplyException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFResolveHostFailedException.h"
#import "OFTruncatedDataException.h"
#ifdef OF_WINDOWS
# define interface struct
# include <iphlpapi.h>
# undef interface
#endif
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#include <errno.h>
#include <string.h>
#include "unistd_wrapper.h"
#import "OFDNSResolver.h"
#import "OFArray.h"
#import "OFCharacterSet.h"
#import "OFDNSRequest.h"
#import "OFDNSResponse.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFDictionary.h"
#import "OFFile.h"
#import "OFLocale.h"
#import "OFNumber.h"
#import "OFPair.h"
#import "OFString.h"
#import "OFTimer.h"
#import "OFUDPSocket.h"
#import "OFUDPSocket+Private.h"
#ifdef OF_WINDOWS
# import "OFWindowsRegistryKey.h"
#endif
#import "OFDNSRequestFailedException.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerReplyException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFTruncatedDataException.h"
#ifdef OF_WINDOWS
# define interface struct
# include <iphlpapi.h>
# undef interface
#endif
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maxAttempts: (unsigned int)maxAttempts
minNumberOfDotsInAbsoluteName: (unsigned int)minNumberOfDotsInAbsoluteName;
@end
@interface OFDNSResolverQuery: OFObject
{
@public
OFString *_host, *_domainName;
of_dns_resource_record_class_t _recordClass;
of_dns_resource_record_type_t _recordType;
OFNumber *_ID;
OFDNSResolverSettings *_settings;
size_t _nameServersIndex, _searchDomainsIndex;
unsigned int _attempt;
id _target;
SEL _selector;
id _context;
OFData *_queryData;
of_socket_address_t _usedNameServer;
OFTimer *_cancelTimer;
}
- (instancetype)initWithHost: (OFString *)host
domainName: (OFString *)domainName
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
ID: (OFNumber *)ID
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
target: (id)target
selector: (SEL)selector
context: (id)context;
@end
@interface OFDNSResolverAsyncResolveSocketAddressesContext: OFObject
{
OFString *_host;
id _delegate;
OFMutableArray OF_GENERIC(OF_KINDOF(OFDNSResourceRecord *)) *_records;
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maxAttempts: (unsigned int)maxAttempts
minNumberOfDotsInAbsoluteName: (unsigned int)minNumberOfDotsInAbsoluteName;
@end
@interface OFDNSResolverQuery: OFObject
{
@public
OFDNSRequest *_request;
OFString *_domainName;
OFNumber *_ID;
OFDNSResolverSettings *_settings;
size_t _nameServersIndex, _searchDomainsIndex;
unsigned int _attempt;
id _target;
SEL _selector;
id _context;
OFData *_queryData;
of_socket_address_t _usedNameServer;
OFTimer *_cancelTimer;
}
- (instancetype)initWithRequest: (OFDNSRequest *)request
domainName: (OFString *)domainName
ID: (OFNumber *)ID
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
target: (id)target
selector: (SEL)selector
context: (id)context;
@end
@interface OFDNSResolverAsyncResolveSocketAddressesContext: OFObject
{
OFString *_host;
id _delegate;
OFMutableArray OF_GENERIC(OF_KINDOF(OFDNSResourceRecord *)) *_records;
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#ifdef OF_AMIGAOS4
- (void)of_obtainAmigaOS4SystemConfig;
#endif
#ifdef OF_NINTENDO_3DS
- (void)of_obtainNintendo3DSSytemConfig;
#endif
- (void)of_reloadSystemConfig;
- (void)of_resolveHost: (OFString *)host
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context;
- (void)of_asyncResolveHost: (OFString *)host
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context;
- (void)of_sendQuery: (OFDNSResolverQuery *)query
runLoopMode: (of_run_loop_mode_t)runLoopMode;
- (void)of_queryWithIDTimedOut: (OFDNSResolverQuery *)query;
@end
#ifndef OF_WII
static OFString *
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#ifdef OF_AMIGAOS4
- (void)of_obtainAmigaOS4SystemConfig;
#endif
#ifdef OF_NINTENDO_3DS
- (void)of_obtainNintendo3DSSytemConfig;
#endif
- (void)of_reloadSystemConfig;
- (void)of_asyncPerformRequest: (OFDNSRequest *)request
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context;
- (void)of_asyncPerformRequest: (OFDNSRequest *)request
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context;
- (void)of_sendQuery: (OFDNSResolverQuery *)query
runLoopMode: (of_run_loop_mode_t)runLoopMode;
- (void)of_queryWithIDTimedOut: (OFDNSResolverQuery *)query;
@end
#ifndef OF_WII
static OFString *
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[_searchDomains release];
[super dealloc];
}
@end
@implementation OFDNSResolverQuery
- (instancetype)initWithHost: (OFString *)host
domainName: (OFString *)domainName
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
ID: (OFNumber *)ID
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
target: (id)target
selector: (SEL)selector
context: (id)context
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
OFMutableData *queryData;
uint16_t tmp;
_host = [host copy];
_domainName = [domainName copy];
_recordClass = recordClass;
_recordType = recordType;
_ID = [ID retain];
_settings = [settings retain];
_nameServersIndex = nameServersIndex;
_searchDomainsIndex = searchDomainsIndex;
_target = [target retain];
_selector = selector;
_context = [context retain];
queryData = [OFMutableData dataWithCapacity: 512];
/* Header */
tmp = OF_BSWAP16_IF_LE(ID.uInt16Value);
[queryData addItems: &tmp
count: 2];
/* RD */
tmp = OF_BSWAP16_IF_LE(1u << 8);
[queryData addItems: &tmp
count: 2];
/* QDCOUNT */
tmp = OF_BSWAP16_IF_LE(1);
[queryData addItems: &tmp
count: 2];
/* ANCOUNT, NSCOUNT and ARCOUNT */
[queryData increaseCountBy: 6];
/* Question */
/* QNAME */
for (OFString *component in
[domainName componentsSeparatedByString: @"."]) {
size_t length = component.UTF8StringLength;
uint8_t length8;
if (length > 63 || queryData.count + length > 512)
@throw [OFOutOfRangeException exception];
length8 = (uint8_t)length;
[queryData addItem: &length8];
[queryData addItems: component.UTF8String
count: length];
}
/* QTYPE */
tmp = OF_BSWAP16_IF_LE(recordType);
[queryData addItems: &tmp
count: 2];
/* QCLASS */
tmp = OF_BSWAP16_IF_LE(recordClass);
[queryData addItems: &tmp
count: 2];
[queryData makeImmutable];
_queryData = [queryData copy];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_host release];
[_domainName release];
[_ID release];
[_settings release];
[_target release];
[_context release];
[_queryData release];
[_cancelTimer release];
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[_searchDomains release];
[super dealloc];
}
@end
@implementation OFDNSResolverQuery
- (instancetype)initWithRequest: (OFDNSRequest *)request
domainName: (OFString *)domainName
ID: (OFNumber *)ID
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
target: (id)target
selector: (SEL)selector
context: (id)context
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
OFMutableData *queryData;
uint16_t tmp;
_request = [request copy];
_domainName = [domainName copy];
_ID = [ID retain];
_settings = [settings retain];
_nameServersIndex = nameServersIndex;
_searchDomainsIndex = searchDomainsIndex;
_target = [target retain];
_selector = selector;
_context = [context retain];
queryData = [OFMutableData dataWithCapacity: 512];
/* Header */
tmp = OF_BSWAP16_IF_LE(_ID.uInt16Value);
[queryData addItems: &tmp
count: 2];
/* RD */
tmp = OF_BSWAP16_IF_LE(1u << 8);
[queryData addItems: &tmp
count: 2];
/* QDCOUNT */
tmp = OF_BSWAP16_IF_LE(1);
[queryData addItems: &tmp
count: 2];
/* ANCOUNT, NSCOUNT and ARCOUNT */
[queryData increaseCountBy: 6];
/* Question */
/* QNAME */
for (OFString *component in
[_domainName componentsSeparatedByString: @"."]) {
size_t length = component.UTF8StringLength;
uint8_t length8;
if (length > 63 || queryData.count + length > 512)
@throw [OFOutOfRangeException exception];
length8 = (uint8_t)length;
[queryData addItem: &length8];
[queryData addItems: component.UTF8String
count: length];
}
/* QTYPE */
tmp = OF_BSWAP16_IF_LE(_request.recordType);
[queryData addItems: &tmp
count: 2];
/* QCLASS */
tmp = OF_BSWAP16_IF_LE(_request.recordClass);
[queryData addItems: &tmp
count: 2];
[queryData makeImmutable];
_queryData = [queryData copy];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_request release];
[_domainName release];
[_ID release];
[_settings release];
[_target release];
[_context release];
[_queryData release];
[_cancelTimer release];
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found = true;
if (!found) {
of_run_loop_mode_t runLoopMode =
[OFRunLoop currentRunLoop].currentMode;
OFNumber *recordTypeNumber =
[OFNumber numberWithInt: recordType];
_expectedResponses++;
[result addObject:
[OFPair pairWithFirstObject: CNAME
secondObject: recordTypeNumber]];
[_resolver of_asyncResolveHost: alias
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: recordType
runLoopMode: runLoopMode
target: self
selector: @selector(resolver:
didResolveCNAME:response:
context:exception:)
context: recordTypeNumber];
}
}
- (void)resolver: (OFDNSResolver *)resolver
didResolveCNAME: (OFString *)CNAME
response: (OFDNSResponse *)response
context: (OFNumber *)context
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found = true;
if (!found) {
of_run_loop_mode_t runLoopMode =
[OFRunLoop currentRunLoop].currentMode;
OFNumber *recordTypeNumber =
[OFNumber numberWithInt: recordType];
OFDNSRequest *request;
_expectedResponses++;
[result addObject:
[OFPair pairWithFirstObject: CNAME
secondObject: recordTypeNumber]];
request = [OFDNSRequest
requestWithHost: alias
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: recordType];
[_resolver of_asyncPerformRequest: request
runLoopMode: runLoopMode
target: self
selector: @selector(resolver:
didResolveCNAME:response:
context:exception:)
context: recordTypeNumber];
}
}
- (void)resolver: (OFDNSResolver *)resolver
didResolveCNAME: (OFString *)CNAME
response: (OFDNSResponse *)response
context: (OFNumber *)context
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default:
break;
}
}
[addresses makeImmutable];
if (addresses.count == 0)
exception = [OFResolveHostFailedException
exceptionWithHost: _host
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: 0
error: OF_DNS_RESOLVER_ERROR_UNKNOWN];
if ([_delegate respondsToSelector: @selector(
resolver:didResolveDomainName:socketAddresses:exception:)])
[_delegate resolver: _resolver
didResolveDomainName: _domainName
socketAddresses: (exception == nil ? addresses : nil)
exception: exception];
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default:
break;
}
}
[addresses makeImmutable];
if (addresses.count == 0) {
OFDNSRequest *request = [OFDNSRequest
requestWithHost: _host
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: 0];
exception = [OFDNSRequestFailedException
exceptionWithRequest: request
error: OF_DNS_RESOLVER_ERROR_UNKNOWN];
}
if ([_delegate respondsToSelector: @selector(
resolver:didResolveDomainName:socketAddresses:exception:)])
[_delegate resolver: _resolver
didResolveDomainName: _domainName
socketAddresses: (exception == nil ? addresses : nil)
exception: exception];
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[_lastConfigReload release];
_lastConfigReload = nil;
[self of_obtainSystemConfig];
}
- (void)of_resolveHost: (OFString *)host
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context
{
void *pool = objc_autoreleasePoolPush();
OFNumber *ID;
OFString *domainName;
OFDNSResolverQuery *query;
[self of_reloadSystemConfig];
/* Random, unused ID */
do {
ID = [OFNumber numberWithUInt16: (uint16_t)of_random()];
} while ([_queries objectForKey: ID] != nil);
if (isFQDN(host, settings)) {
domainName = host;
if (![domainName hasSuffix: @"."])
domainName = [domainName stringByAppendingString: @"."];
} else {
OFString *searchDomain = [settings->_searchDomains
objectAtIndex: searchDomainsIndex];
domainName = [OFString stringWithFormat: @"%@.%@.",
host, searchDomain];
}
if (domainName.UTF8StringLength > 253)
@throw [OFOutOfRangeException exception];
query = [[[OFDNSResolverQuery alloc]
initWithHost: host
domainName: domainName
recordClass: recordClass
recordType: recordType
ID: ID
settings: settings
nameServersIndex: nameServersIndex
searchDomainsIndex: searchDomainsIndex
target: target
selector: selector
context: context] autorelease];
[_queries setObject: query
forKey: ID];
[self of_sendQuery: query
runLoopMode: runLoopMode];
objc_autoreleasePoolPop(pool);
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[_lastConfigReload release];
_lastConfigReload = nil;
[self of_obtainSystemConfig];
}
- (void)of_asyncPerformRequest: (OFDNSRequest *)request
settings: (OFDNSResolverSettings *)settings
nameServersIndex: (size_t)nameServersIndex
searchDomainsIndex: (size_t)searchDomainsIndex
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context
{
void *pool = objc_autoreleasePoolPush();
OFNumber *ID;
OFString *host, *domainName;
OFDNSResolverQuery *query;
[self of_reloadSystemConfig];
/* Random, unused ID */
do {
ID = [OFNumber numberWithUInt16: (uint16_t)of_random()];
} while ([_queries objectForKey: ID] != nil);
host = request.host;
if (isFQDN(host, settings)) {
domainName = host;
if (![domainName hasSuffix: @"."])
domainName = [domainName stringByAppendingString: @"."];
} else {
OFString *searchDomain = [settings->_searchDomains
objectAtIndex: searchDomainsIndex];
domainName = [OFString stringWithFormat: @"%@.%@.",
host, searchDomain];
}
if (domainName.UTF8StringLength > 253)
@throw [OFOutOfRangeException exception];
query = [[[OFDNSResolverQuery alloc]
initWithRequest: request
domainName: domainName
ID: ID
settings: settings
nameServersIndex: nameServersIndex
searchDomainsIndex: searchDomainsIndex
target: target
selector: selector
context: context] autorelease];
[_queries setObject: query
forKey: ID];
[self of_sendQuery: query
runLoopMode: runLoopMode];
objc_autoreleasePoolPop(pool);
|
︙ | | | ︙ | |
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|
didResolveDomainName:response:exception:)])
[delegate resolver: resolver
didResolveDomainName: domainName
response: response
exception: exception];
}
- (void)asyncResolveHost: (OFString *)host
delegate: (id <OFDNSResolverDelegate>)delegate
{
[self of_asyncResolveHost: host
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: OF_DNS_RESOURCE_RECORD_TYPE_ALL
runLoopMode: of_run_loop_mode_default
target: self
selector: @selector(of_resolver:didResolveDomainName:
response:context:exception:)
context: delegate];
}
- (void)asyncResolveHost: (OFString *)host
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
delegate: (id <OFDNSResolverDelegate>)delegate
{
[self of_asyncResolveHost: host
recordClass: recordClass
recordType: recordType
runLoopMode: of_run_loop_mode_default
target: self
selector: @selector(of_resolver:didResolveDomainName:
response:context:exception:)
context: delegate];
}
- (void)asyncResolveHost: (OFString *)host
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
runLoopMode: (of_run_loop_mode_t)runLoopMode
delegate: (id <OFDNSResolverDelegate>)delegate
{
[self of_asyncResolveHost: host
recordClass: recordClass
recordType: recordType
runLoopMode: runLoopMode
target: self
selector: @selector(of_resolver:didResolveDomainName:
response:context:exception:)
context: delegate];
}
- (void)of_asyncResolveHost: (OFString *)host
recordClass: (of_dns_resource_record_class_t)recordClass
recordType: (of_dns_resource_record_type_t)recordType
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context
{
void *pool = objc_autoreleasePoolPush();
OFDNSResolverSettings *settings = [[[OFDNSResolverSettings alloc]
initWithNameServers: _nameServers
searchDomains: _searchDomains
timeout: _timeout
maxAttempts: _maxAttempts
minNumberOfDotsInAbsoluteName: _minNumberOfDotsInAbsoluteName]
autorelease];
[self of_resolveHost: host
recordClass: recordClass
recordType: recordType
settings: settings
nameServersIndex: 0
searchDomainsIndex: 0
runLoopMode: runLoopMode
target: target
selector: selector
context: context];
objc_autoreleasePoolPop(pool);
}
- (void)of_sendQuery: (OFDNSResolverQuery *)query
runLoopMode: (of_run_loop_mode_t)runLoopMode
{
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|
didResolveDomainName:response:exception:)])
[delegate resolver: resolver
didResolveDomainName: domainName
response: response
exception: exception];
}
- (void)asyncPerformRequest: (OFDNSRequest *)request
delegate: (id <OFDNSResolverDelegate>)delegate
{
[self of_asyncPerformRequest: request
runLoopMode: of_run_loop_mode_default
target: self
selector: @selector(of_resolver:
didResolveDomainName:response:context:
exception:)
context: delegate];
}
- (void)asyncPerformRequest: (OFDNSRequest *)request
runLoopMode: (of_run_loop_mode_t)runLoopMode
delegate: (id <OFDNSResolverDelegate>)delegate
{
[self of_asyncPerformRequest: request
runLoopMode: runLoopMode
target: self
selector: @selector(of_resolver:
didResolveDomainName:response:context:
exception:)
context: delegate];
}
- (void)of_asyncPerformRequest: (OFDNSRequest *)request
runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context
{
void *pool = objc_autoreleasePoolPush();
OFDNSResolverSettings *settings = [[[OFDNSResolverSettings alloc]
initWithNameServers: _nameServers
searchDomains: _searchDomains
timeout: _timeout
maxAttempts: _maxAttempts
minNumberOfDotsInAbsoluteName: _minNumberOfDotsInAbsoluteName]
autorelease];
[self of_asyncPerformRequest: request
settings: settings
nameServersIndex: 0
searchDomainsIndex: 0
runLoopMode: runLoopMode
target: target
selector: selector
context: context];
objc_autoreleasePoolPop(pool);
}
- (void)of_sendQuery: (OFDNSResolverQuery *)query
runLoopMode: (of_run_loop_mode_t)runLoopMode
{
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|
[sock asyncSendData: query->_queryData
receiver: &query->_usedNameServer
runLoopMode: runLoopMode];
}
- (void)of_queryWithIDTimedOut: (OFDNSResolverQuery *)query
{
OFResolveHostFailedException *exception;
if (query == nil)
return;
if (query->_nameServersIndex + 1 <
query->_settings->_nameServers.count) {
query->_nameServersIndex++;
|
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|
[sock asyncSendData: query->_queryData
receiver: &query->_usedNameServer
runLoopMode: runLoopMode];
}
- (void)of_queryWithIDTimedOut: (OFDNSResolverQuery *)query
{
OFDNSRequestFailedException *exception;
if (query == nil)
return;
if (query->_nameServersIndex + 1 <
query->_settings->_nameServers.count) {
query->_nameServersIndex++;
|
︙ | | | ︙ | |
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|
length: BUFFER_LENGTH];
#ifdef OF_HAVE_IPV6
[_IPv6Socket cancelAsyncRequests];
[_IPv6Socket asyncReceiveIntoBuffer: _buffer
length: BUFFER_LENGTH];
#endif
exception = [OFResolveHostFailedException
exceptionWithHost: query->_host
recordClass: query->_recordClass
recordType: query->_recordType
error: OF_DNS_RESOLVER_ERROR_TIMEOUT];
callback(query->_target, query->_selector, self, query->_domainName,
nil, query->_context, exception);
}
- (bool)socket: (OFUDPSocket *)sock
didReceiveIntoBuffer: (void *)buffer_
|
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<
<
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|
length: BUFFER_LENGTH];
#ifdef OF_HAVE_IPV6
[_IPv6Socket cancelAsyncRequests];
[_IPv6Socket asyncReceiveIntoBuffer: _buffer
length: BUFFER_LENGTH];
#endif
exception = [OFDNSRequestFailedException
exceptionWithRequest: query->_request
error: OF_DNS_RESOLVER_ERROR_TIMEOUT];
callback(query->_target, query->_selector, self, query->_domainName,
nil, query->_context, exception);
}
- (bool)socket: (OFUDPSocket *)sock
didReceiveIntoBuffer: (void *)buffer_
|
︙ | | | ︙ | |
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|
error = OF_DNS_RESOLVER_ERROR_SERVER_FAILURE;
break;
case 3:
if (query->_searchDomainsIndex + 1 <
query->_settings->_searchDomains.count) {
of_run_loop_mode_t runLoopMode =
[OFRunLoop currentRunLoop].currentMode;
query->_searchDomainsIndex++;
[self of_resolveHost: query->_host
recordClass: query->_recordClass
recordType: query->_recordType
settings: query->_settings
nameServersIndex: query->_nameServersIndex
searchDomainsIndex: query->_searchDomainsIndex
runLoopMode: runLoopMode
target: query->_target
selector: query->_selector
context: query->_context];
return true;
}
error = OF_DNS_RESOLVER_ERROR_SERVER_NAME_ERROR;
break;
case 4:
error = OF_DNS_RESOLVER_ERROR_SERVER_NOT_IMPLEMENTED;
break;
case 5:
error = OF_DNS_RESOLVER_ERROR_SERVER_REFUSED;
break;
default:
error = OF_DNS_RESOLVER_ERROR_UNKNOWN;
break;
}
if (buffer[3] & 0x0F)
@throw [OFResolveHostFailedException
exceptionWithHost: query->_host
recordClass: query->_recordClass
recordType: query->_recordType
error: error];
numQuestions = (buffer[4] << 8) | buffer[5];
numAnswers = (buffer[6] << 8) | buffer[7];
numAuthorityRecords = (buffer[8] << 8) | buffer[9];
numAdditionalRecords = (buffer[10] << 8) | buffer[11];
i = 12;
|
>
>
>
>
<
<
|
|
|
|
|
|
|
|
|
|
<
<
|
|
1878
1879
1880
1881
1882
1883
1884
1885
1886
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1888
1889
1890
1891
1892
1893
1894
1895
1896
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1898
1899
1900
1901
1902
1903
1904
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1911
1912
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1914
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1919
1920
1921
1922
1923
1924
1925
1926
1927
|
error = OF_DNS_RESOLVER_ERROR_SERVER_FAILURE;
break;
case 3:
if (query->_searchDomainsIndex + 1 <
query->_settings->_searchDomains.count) {
of_run_loop_mode_t runLoopMode =
[OFRunLoop currentRunLoop].currentMode;
size_t nameServersIndex =
query->_nameServersIndex;
size_t searchDomainsIndex =
query->_searchDomainsIndex;
query->_searchDomainsIndex++;
[self of_asyncPerformRequest: query->_request
settings: query->_settings
nameServersIndex: nameServersIndex
searchDomainsIndex: searchDomainsIndex
runLoopMode: runLoopMode
target: query->_target
selector: query->_selector
context: query->_context];
return true;
}
error = OF_DNS_RESOLVER_ERROR_SERVER_NAME_ERROR;
break;
case 4:
error = OF_DNS_RESOLVER_ERROR_SERVER_NOT_IMPLEMENTED;
break;
case 5:
error = OF_DNS_RESOLVER_ERROR_SERVER_REFUSED;
break;
default:
error = OF_DNS_RESOLVER_ERROR_UNKNOWN;
break;
}
if (buffer[3] & 0x0F)
@throw [OFDNSRequestFailedException
exceptionWithRequest: query->_request
error: error];
numQuestions = (buffer[4] << 8) | buffer[5];
numAnswers = (buffer[6] << 8) | buffer[7];
numAuthorityRecords = (buffer[8] << 8) | buffer[9];
numAdditionalRecords = (buffer[10] << 8) | buffer[11];
i = 12;
|
︙ | | | ︙ | |
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
|
}
if (exception == nil) {
of_dns_resource_record_class_t recordClass =
OF_DNS_RESOURCE_RECORD_CLASS_IN;
of_dns_resolver_error_t error =
OF_DNS_RESOLVER_ERROR_NO_RESULT;
exception = [OFResolveHostFailedException
exceptionWithHost: host
recordClass: recordClass
recordType: recordType
error: error];
}
}
if ([delegate respondsToSelector: @selector(resolver:
didResolveDomainName:socketAddresses:exception:)]) {
OFTimer *timer = [OFTimer
timerWithTimeInterval: 0
|
|
<
|
|
|
>
>
>
|
|
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
|
}
if (exception == nil) {
of_dns_resource_record_class_t recordClass =
OF_DNS_RESOURCE_RECORD_CLASS_IN;
of_dns_resolver_error_t error =
OF_DNS_RESOLVER_ERROR_NO_RESULT;
OFDNSRequest *request = [OFDNSRequest
requestWithHost: host
recordClass: recordClass
recordType: recordType];
exception = [OFDNSRequestFailedException
exceptionWithRequest: request
error: error];
}
}
if ([delegate respondsToSelector: @selector(resolver:
didResolveDomainName:socketAddresses:exception:)]) {
OFTimer *timer = [OFTimer
timerWithTimeInterval: 0
|
︙ | | | ︙ | |
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
|
default:
@throw [OFInvalidArgumentException exception];
}
#ifdef OF_HAVE_IPV6
if (addressFamily == OF_SOCKET_ADDRESS_FAMILY_IPV6 ||
addressFamily == OF_SOCKET_ADDRESS_FAMILY_ANY) {
OFNumber *recordTypeNumber =
[OFNumber numberWithInt: OF_DNS_RESOURCE_RECORD_TYPE_AAAA];
[self of_asyncResolveHost: host
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: OF_DNS_RESOURCE_RECORD_TYPE_AAAA
runLoopMode: runLoopMode
target: context
selector: @selector(resolver:
didResolveDomainName:
response:context:exception:)
context: recordTypeNumber];
}
#endif
if (addressFamily == OF_SOCKET_ADDRESS_FAMILY_IPV4 ||
addressFamily == OF_SOCKET_ADDRESS_FAMILY_ANY)
[self of_asyncResolveHost: host
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: OF_DNS_RESOURCE_RECORD_TYPE_A
runLoopMode: runLoopMode
target: context
selector: @selector(resolver:
didResolveDomainName:
response:context:exception:)
context: [OFNumber numberWithInt:
OF_DNS_RESOURCE_RECORD_TYPE_A]];
objc_autoreleasePoolPop(pool);
}
- (OFData *)resolveSocketAddressesForHost: (OFString *)host
addressFamily: (of_socket_address_family_t)
addressFamily
|
>
>
>
>
|
<
<
|
|
|
|
|
|
|
>
|
|
|
>
>
>
>
|
|
|
|
|
|
<
>
|
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
|
default:
@throw [OFInvalidArgumentException exception];
}
#ifdef OF_HAVE_IPV6
if (addressFamily == OF_SOCKET_ADDRESS_FAMILY_IPV6 ||
addressFamily == OF_SOCKET_ADDRESS_FAMILY_ANY) {
OFDNSRequest *request = [OFDNSRequest
requestWithHost: host
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: OF_DNS_RESOURCE_RECORD_TYPE_AAAA];
OFNumber *recordTypeNumber =
[OFNumber numberWithInt: OF_DNS_RESOURCE_RECORD_TYPE_AAAA];
[self of_asyncPerformRequest: request
runLoopMode: runLoopMode
target: context
selector: @selector(resolver:
didResolveDomainName:response:
context:exception:)
context: recordTypeNumber];
}
#endif
if (addressFamily == OF_SOCKET_ADDRESS_FAMILY_IPV4 ||
addressFamily == OF_SOCKET_ADDRESS_FAMILY_ANY) {
OFDNSRequest *request = [OFDNSRequest
requestWithHost: host
recordClass: OF_DNS_RESOURCE_RECORD_CLASS_IN
recordType: OF_DNS_RESOURCE_RECORD_TYPE_A];
OFNumber *recordTypeNumber =
[OFNumber numberWithInt: OF_DNS_RESOURCE_RECORD_TYPE_A];
[self of_asyncPerformRequest: request
runLoopMode: runLoopMode
target: context
selector: @selector(resolver:
didResolveDomainName:response:
context:exception:)
context: recordTypeNumber];
}
objc_autoreleasePoolPop(pool);
}
- (OFData *)resolveSocketAddressesForHost: (OFString *)host
addressFamily: (of_socket_address_family_t)
addressFamily
|
︙ | | | ︙ | |
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
|
[_IPv6Socket cancelAsyncRequests];
[_IPv6Socket release];
_IPv6Socket = nil;
#endif
enumerator = [_queries objectEnumerator];
while ((query = [enumerator nextObject]) != nil) {
OFResolveHostFailedException *exception;
exception = [OFResolveHostFailedException
exceptionWithHost: query->_host
recordClass: query->_recordClass
recordType: query->_recordType
error: OF_DNS_RESOLVER_ERROR_CANCELED];
callback(query->_target, query->_selector, self,
query->_domainName, nil, query->_context, exception);
}
[_queries removeAllObjects];
objc_autoreleasePoolPop(pool);
}
@end
|
|
|
|
<
<
|
|
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
|
[_IPv6Socket cancelAsyncRequests];
[_IPv6Socket release];
_IPv6Socket = nil;
#endif
enumerator = [_queries objectEnumerator];
while ((query = [enumerator nextObject]) != nil) {
OFDNSRequestFailedException *exception;
exception = [OFDNSRequestFailedException
exceptionWithRequest: query->_request
error: OF_DNS_RESOLVER_ERROR_CANCELED];
callback(query->_target, query->_selector, self,
query->_domainName, nil, query->_context, exception);
}
[_queries removeAllObjects];
objc_autoreleasePoolPop(pool);
}
@end
|