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} while (componentLength > 0);
return [components componentsJoinedByString: @"."];
}
static OF_KINDOF(OFDNSResourceRecord *)
parseResourceRecord(OFString *name, of_dns_class_t DNSClass,
of_dns_resource_record_type_t recordType, uint32_t TTL,
const unsigned char *buffer, size_t length, size_t i, uint16_t dataLength)
of_dns_record_type_t recordType, uint32_t TTL, const unsigned char *buffer,
size_t length, size_t i, uint16_t dataLength)
{
if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_A &&
if (recordType == OF_DNS_RECORD_TYPE_A && DNSClass == OF_DNS_CLASS_IN) {
DNSClass == OF_DNS_CLASS_IN) {
of_socket_address_t address;
if (dataLength != 4)
@throw [OFInvalidServerReplyException exception];
memset(&address, 0, sizeof(address));
address.family = OF_SOCKET_ADDRESS_FAMILY_IPV4;
address.length = sizeof(address.sockaddr.in);
address.sockaddr.in.sin_family = AF_INET;
memcpy(&address.sockaddr.in.sin_addr.s_addr, buffer + i, 4);
return [[[OFADNSResourceRecord alloc]
initWithName: name
address: &address
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_NS) {
} else if (recordType == OF_DNS_RECORD_TYPE_NS) {
size_t j = i;
OFString *authoritativeHost = parseName(buffer, length, &j,
MAX_ALLOWED_POINTERS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
return [[[OFNSDNSResourceRecord alloc]
initWithName: name
DNSClass: DNSClass
authoritativeHost: authoritativeHost
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_CNAME) {
} else if (recordType == OF_DNS_RECORD_TYPE_CNAME) {
size_t j = i;
OFString *alias = parseName(buffer, length, &j,
MAX_ALLOWED_POINTERS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
return [[[OFCNAMEDNSResourceRecord alloc]
initWithName: name
DNSClass: DNSClass
alias: alias
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_SOA) {
} else if (recordType == OF_DNS_RECORD_TYPE_SOA) {
size_t j = i;
OFString *primaryNameServer = parseName(buffer, length, &j,
MAX_ALLOWED_POINTERS);
OFString *responsiblePerson;
uint32_t serialNumber, refreshInterval, retryInterval;
uint32_t expirationInterval, minTTL;
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responsiblePerson: responsiblePerson
serialNumber: serialNumber
refreshInterval: refreshInterval
retryInterval: retryInterval
expirationInterval: expirationInterval
minTTL: minTTL
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_PTR) {
} else if (recordType == OF_DNS_RECORD_TYPE_PTR) {
size_t j = i;
OFString *domainName = parseName(buffer, length, &j,
MAX_ALLOWED_POINTERS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
return [[[OFPTRDNSResourceRecord alloc]
initWithName: name
DNSClass: DNSClass
domainName: domainName
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_HINFO) {
} else if (recordType == OF_DNS_RECORD_TYPE_HINFO) {
size_t j = i;
OFString *CPU = parseString(buffer, length, &j);
OFString *OS;
if (j > i + dataLength)
@throw [OFInvalidServerReplyException exception];
OS = parseString(buffer, length, &j);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
return [[[OFHINFODNSResourceRecord alloc]
initWithName: name
DNSClass: DNSClass
CPU: CPU
OS: OS
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_MX) {
} else if (recordType == OF_DNS_RECORD_TYPE_MX) {
uint16_t preference;
size_t j;
OFString *mailExchange;
if (dataLength < 2)
@throw [OFInvalidServerReplyException exception];
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return [[[OFMXDNSResourceRecord alloc]
initWithName: name
DNSClass: DNSClass
preference: preference
mailExchange: mailExchange
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_TXT) {
} else if (recordType == OF_DNS_RECORD_TYPE_TXT) {
OFData *textData = [OFData dataWithItems: &buffer[i]
count: dataLength];
return [[[OFTXTDNSResourceRecord alloc]
initWithName: name
DNSClass: DNSClass
textData: textData
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_RP) {
} else if (recordType == OF_DNS_RECORD_TYPE_RP) {
size_t j = i;
OFString *mailbox = parseName(buffer, length, &j,
MAX_ALLOWED_POINTERS);
OFString *TXTDomainName;
if (j > i + dataLength)
@throw [OFInvalidServerReplyException exception];
TXTDomainName = parseName(buffer, length, &j,
MAX_ALLOWED_POINTERS);
if (j != i + dataLength)
@throw [OFInvalidServerReplyException exception];
return [[[OFRPDNSResourceRecord alloc]
initWithName: name
DNSClass: DNSClass
mailbox: mailbox
TXTDomainName: TXTDomainName
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_AAAA &&
} else if (recordType == OF_DNS_RECORD_TYPE_AAAA &&
DNSClass == OF_DNS_CLASS_IN) {
of_socket_address_t address;
if (dataLength != 16)
@throw [OFInvalidServerReplyException exception];
memset(&address, 0, sizeof(address));
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#endif
memcpy(address.sockaddr.in6.sin6_addr.s6_addr, buffer + i, 16);
return [[[OFAAAADNSResourceRecord alloc]
initWithName: name
address: &address
TTL: TTL] autorelease];
} else if (recordType == OF_DNS_RESOURCE_RECORD_TYPE_SRV &&
} else if (recordType == OF_DNS_RECORD_TYPE_SRV &&
DNSClass == OF_DNS_CLASS_IN) {
uint16_t priority, weight, port;
size_t j;
OFString *target;
if (dataLength < 6)
@throw [OFInvalidServerReplyException exception];
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OFEnumerator OF_GENERIC(OFMutableArray *) *objectEnumerator;
OFMutableArray *array;
for (uint_fast16_t j = 0; j < count; j++) {
OFString *name = parseName(buffer, length, i,
MAX_ALLOWED_POINTERS);
of_dns_class_t DNSClass;
of_dns_resource_record_type_t recordType;
of_dns_record_type_t recordType;
uint32_t TTL;
uint16_t dataLength;
OFDNSResourceRecord *record;
if (*i + 10 > length)
@throw [OFTruncatedDataException exception];
|