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-rw-r--r--src/dns.cpp56
1 files changed, 32 insertions, 24 deletions
diff --git a/src/dns.cpp b/src/dns.cpp
index d01135a12..e5c1388f6 100644
--- a/src/dns.cpp
+++ b/src/dns.cpp
@@ -43,13 +43,15 @@ using irc::sockets::insp_inaddr;
using irc::sockets::insp_ntoa;
using irc::sockets::insp_aton;
-/* Masks to mask off the responses we get from the DNSRequest methods */
+/** Masks to mask off the responses we get from the DNSRequest methods
+ */
enum QueryInfo
{
ERROR_MASK = 0x10000 /* Result is an error */
};
-/* Flags which can be ORed into a request or reply for different meanings */
+/** Flags which can be ORed into a request or reply for different meanings
+ */
enum QueryFlags
{
FLAGS_MASK_RD = 0x01, /* Recursive */
@@ -63,7 +65,8 @@ enum QueryFlags
};
-/* Represents a dns resource record (rr) */
+/** Represents a dns resource record (rr)
+ */
class ResourceRecord
{
public:
@@ -73,7 +76,7 @@ class ResourceRecord
unsigned int rdlength; /* Record length */
};
-/* Represents a dns request/reply header, and its payload as opaque data.
+/** Represents a dns request/reply header, and its payload as opaque data.
*/
class DNSHeader
{
@@ -88,7 +91,7 @@ class DNSHeader
unsigned char payload[512]; /* Packet payload */
};
-/* Represents a request 'on the wire' with routing information relating to
+/** Represents a request 'on the wire' with routing information relating to
* where to call when we get a result
*/
class DNSRequest
@@ -122,7 +125,7 @@ class DNSRequest
int SendRequests(const DNSHeader *header, const int length, QueryType qt);
};
-/* Fill a ResourceRecord class based on raw data input */
+/** Fill a ResourceRecord class based on raw data input */
inline void DNS::FillResourceRecord(ResourceRecord* rr, const unsigned char *input)
{
rr->type = (QueryType)((input[0] << 8) + input[1]);
@@ -131,7 +134,7 @@ inline void DNS::FillResourceRecord(ResourceRecord* rr, const unsigned char *inp
rr->rdlength = (input[8] << 8) + input[9];
}
-/* Fill a DNSHeader class based on raw data input of a given length */
+/** Fill a DNSHeader class based on raw data input of a given length */
inline void DNS::FillHeader(DNSHeader *header, const unsigned char *input, const int length)
{
header->id[0] = input[0];
@@ -145,7 +148,7 @@ inline void DNS::FillHeader(DNSHeader *header, const unsigned char *input, const
memcpy(header->payload,&input[12],length);
}
-/* Empty a DNSHeader class out into raw data, ready for transmission */
+/** Empty a DNSHeader class out into raw data, ready for transmission */
inline void DNS::EmptyHeader(unsigned char *output, const DNSHeader *header, const int length)
{
output[0] = header->id[0];
@@ -163,7 +166,7 @@ inline void DNS::EmptyHeader(unsigned char *output, const DNSHeader *header, con
memcpy(&output[12],header->payload,length);
}
-/* Send requests we have previously built down the UDP socket */
+/** Send requests we have previously built down the UDP socket */
int DNSRequest::SendRequests(const DNSHeader *header, const int length, QueryType qt)
{
insp_sockaddr addr;
@@ -190,7 +193,7 @@ int DNSRequest::SendRequests(const DNSHeader *header, const int length, QueryTyp
return 0;
}
-/* Add a query with a predefined header, and allocate an ID for it. */
+/** Add a query with a predefined header, and allocate an ID for it. */
DNSRequest* DNS::AddQuery(DNSHeader *header, int &id)
{
/* Is the DNS connection down? */
@@ -228,7 +231,7 @@ DNSRequest* DNS::AddQuery(DNSHeader *header, int &id)
return req;
}
-/* Initialise the DNS UDP socket so that we can send requests */
+/** Initialise the DNS UDP socket so that we can send requests */
DNS::DNS(InspIRCd* Instance) : ServerInstance(Instance)
{
ServerInstance->Log(DEBUG,"DNS::DNS: Instance = %08x",Instance);
@@ -332,7 +335,7 @@ DNS::DNS(InspIRCd* Instance) : ServerInstance(Instance)
}
}
-/* Build a payload to be placed after the header, based upon input data, a resource type, a class and a pointer to a buffer */
+/** Build a payload to be placed after the header, based upon input data, a resource type, a class and a pointer to a buffer */
int DNS::MakePayload(const char * const name, const QueryType rr, const unsigned short rr_class, unsigned char * const payload)
{
short payloadpos = 0;
@@ -369,7 +372,7 @@ int DNS::MakePayload(const char * const name, const QueryType rr, const unsigned
return payloadpos + 4;
}
-/* Start lookup of an hostname to an IP address */
+/** Start lookup of an hostname to an IP address */
int DNS::GetIP(const char *name)
{
DNSHeader h;
@@ -387,7 +390,7 @@ int DNS::GetIP(const char *name)
return id;
}
-/* Start lookup of an hostname to an IPv6 address */
+/** Start lookup of an hostname to an IPv6 address */
int DNS::GetIP6(const char *name)
{
DNSHeader h;
@@ -405,7 +408,7 @@ int DNS::GetIP6(const char *name)
return id;
}
-/* Start lookup of a cname to another name */
+/** Start lookup of a cname to another name */
int DNS::GetCName(const char *alias)
{
DNSHeader h;
@@ -423,7 +426,7 @@ int DNS::GetCName(const char *alias)
return id;
}
-/* Start lookup of an IP address to a hostname */
+/** Start lookup of an IP address to a hostname */
int DNS::GetName(const insp_inaddr *ip)
{
char query[128];
@@ -450,7 +453,7 @@ int DNS::GetName(const insp_inaddr *ip)
return id;
}
-/* Start lookup of an IP address to a hostname */
+/** Start lookup of an IP address to a hostname */
int DNS::GetNameForce(const char *ip, ForceProtocol fp)
{
char query[128];
@@ -496,6 +499,8 @@ int DNS::GetNameForce(const char *ip, ForceProtocol fp)
return id;
}
+/** Build an ipv6 reverse domain from an in6_addr
+ */
void DNS::MakeIP6Int(char* query, const in6_addr *ip)
{
#ifdef SUPPORT_IP6LINKS
@@ -516,7 +521,7 @@ void DNS::MakeIP6Int(char* query, const in6_addr *ip)
#endif
}
-/* Return the next id which is ready, and the result attached to it */
+/** Return the next id which is ready, and the result attached to it */
DNSResult DNS::GetResult()
{
/* Fetch dns query response and decide where it belongs */
@@ -680,7 +685,7 @@ DNSResult DNS::GetResult()
}
}
-/* A result is ready, process it */
+/** A result is ready, process it */
DNSInfo DNSRequest::ResultIsReady(DNSHeader &header, int length)
{
int i = 0;
@@ -819,14 +824,14 @@ DNSInfo DNSRequest::ResultIsReady(DNSHeader &header, int length)
return std::make_pair(res,"No error");;
}
-/* Close the master socket */
+/** Close the master socket */
DNS::~DNS()
{
shutdown(this->GetFd(), 2);
close(this->GetFd());
}
-/* High level abstraction of dns used by application at large */
+/** High level abstraction of dns used by application at large */
Resolver::Resolver(InspIRCd* Instance, const std::string &source, QueryType qt) : ServerInstance(Instance), input(source), querytype(qt)
{
ServerInstance->Log(DEBUG,"Instance: %08x %08x",Instance, ServerInstance);
@@ -887,23 +892,25 @@ Resolver::Resolver(InspIRCd* Instance, const std::string &source, QueryType qt)
ServerInstance->Log(DEBUG,"Resolver::Resolver: this->myid=%d",this->myid);
}
+/** Called when an error occurs */
void Resolver::OnError(ResolverError e, const std::string &errormessage)
{
/* Nothing in here */
}
+/** Destroy a resolver */
Resolver::~Resolver()
{
/* Nothing here (yet) either */
}
-/* Get the request id associated with this class */
+/** Get the request id associated with this class */
int Resolver::GetId()
{
return this->myid;
}
-/* Process a socket read event */
+/** Process a socket read event */
void DNS::HandleEvent(EventType et)
{
ServerInstance->Log(DEBUG,"Marshall reads: %d",this->GetFd());
@@ -948,7 +955,7 @@ void DNS::HandleEvent(EventType et)
}
}
-/* Add a derived Resolver to the working set */
+/** Add a derived Resolver to the working set */
bool DNS::AddResolverClass(Resolver* r)
{
/* Check the pointers validity and the id's validity */
@@ -980,6 +987,7 @@ bool DNS::AddResolverClass(Resolver* r)
}
}
+/** Generate pseudo-random number */
unsigned long DNS::PRNG()
{
unsigned long val = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 18:15:00 +0000