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}
static OF_KINDOF(OFDNSResourceRecord *)
createResourceRecord(OFString *name, of_dns_resource_record_class_t recordClass,
of_dns_resource_record_type_t recordType, uint32_t TTL,
const unsigned char *buffer, size_t length, size_t i, size_t dataLength)
{
uint16_t preference;
id data;
if (recordClass == OF_DNS_RESOURCE_RECORD_CLASS_IN) {
if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_A &&
recordClass == OF_DNS_RESOURCE_RECORD_CLASS_IN) {
size_t j;
OFString *address;
switch (recordType) {
case OF_DNS_RESOURCE_RECORD_TYPE_A:
if (dataLength != 4)
@throw [OFInvalidServerReplyException
if (dataLength != 4)
@throw [OFInvalidServerReplyException exception];
exception];
data = [OFString stringWithFormat:
address = [OFString stringWithFormat: @"%u.%u.%u.%u",
@"%u.%u.%u.%u",
buffer[i], buffer[i + 1],
buffer[i], buffer[i + 1], buffer[i + 2], buffer[i + 3]];
buffer[i + 2], buffer[i + 3]];
return [[[OFADNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
return [[[OFADNSResourceRecord alloc]
initWithName: name
address: address
recordType: recordType
data: data
TTL: TTL] autorelease];
case OF_DNS_RESOURCE_RECORD_TYPE_NS:
j = i;
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_NS) {
size_t j = i;
data = parseName(buffer, length, &j,
ALLOWED_POINTER_LEVELS);
OFString *authoritativeHost = parseName(buffer, length, &j,
ALLOWED_POINTER_LEVELS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
exception];
return [[[OFNSDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
return [[[OFNSDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
data: data
TTL: TTL] autorelease];
case OF_DNS_RESOURCE_RECORD_TYPE_CNAME:
j = i;
authoritativeHost: authoritativeHost
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_CNAME) {
size_t j = i;
data = parseName(buffer, length, &j,
OFString *alias = parseName(buffer, length, &j,
ALLOWED_POINTER_LEVELS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
exception];
return [[[OFCNAMEDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
return [[[OFCNAMEDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
data: data
TTL: TTL] autorelease];
case OF_DNS_RESOURCE_RECORD_TYPE_PTR:
j = i;
alias: alias
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_PTR) {
size_t j = i;
data = parseName(buffer, length, &j,
ALLOWED_POINTER_LEVELS);
OFString *domainName = parseName(buffer, length, &j,
ALLOWED_POINTER_LEVELS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
exception];
return [[[OFPTRDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
return [[[OFPTRDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
data: data
TTL: TTL] autorelease];
case OF_DNS_RESOURCE_RECORD_TYPE_MX:
if (dataLength < 2)
@throw [OFInvalidServerReplyException
domainName: domainName
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_MX) {
uint16_t preference;
size_t j;
OFString *mailExchange;
if (dataLength < 2)
@throw [OFInvalidServerReplyException exception];
exception];
preference = (buffer[i] << 8) | buffer[i + 1];
preference = (buffer[i] << 8) | buffer[i + 1];
j = i + 2;
j = i + 2;
data = parseName(buffer, length, &j,
ALLOWED_POINTER_LEVELS);
mailExchange = parseName(buffer, length, &j,
ALLOWED_POINTER_LEVELS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
exception];
return [[[OFMXDNSResourceRecord alloc]
return [[[OFMXDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
preference: preference
data: data
mailExchange: mailExchange
TTL: TTL] autorelease];
case OF_DNS_RESOURCE_RECORD_TYPE_TXT:
data = [OFData dataWithItems: &buffer[i]
count: dataLength];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_TXT) {
OFData *textData = [OFData dataWithItems: &buffer[i]
count: dataLength];
return [[[OFTXTDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
return [[[OFTXTDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
data: data
TTL: TTL] autorelease];
case OF_DNS_RESOURCE_RECORD_TYPE_AAAA:
if (dataLength != 16)
@throw [OFInvalidServerReplyException
exception];
textData: textData
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_AAAA &&
recordClass == OF_DNS_RESOURCE_RECORD_CLASS_IN) {
OFString *address;
if (dataLength != 16)
@throw [OFInvalidServerReplyException
exception];
data = parseAAAAData(&buffer[i]);
address = parseAAAAData(&buffer[i]);
return [[[OFAAAADNSResourceRecord alloc]
initWithName: name
return [[[OFAAAADNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
data: data
TTL: TTL] autorelease];
default:
data = [OFData dataWithItems: &buffer[i]
count: dataLength];
address: address
return [[[OFDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
data: data
TTL: TTL] autorelease];
TTL: TTL] autorelease];
}
} else {
} else
data = [OFData dataWithItems: &buffer[i]
count: dataLength];
return [[[OFDNSResourceRecord alloc]
initWithName: name
recordClass: recordClass
recordType: recordType
data: data
TTL: TTL] autorelease];
}
}
@implementation OFDNSResolver_context
@synthesize host = _host, nameServers = _nameServers;
@synthesize searchDomains = _searchDomains;
@synthesize nameServersIndex = _nameServersIndex;
@synthesize searchDomainsIndex = _searchDomainsIndex, queryData = _queryData;
|