diff options
Diffstat (limited to 'src/dns.cpp')
| -rw-r--r-- | src/dns.cpp | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/src/dns.cpp b/src/dns.cpp index 756c2d5dc..66c0d8085 100644 --- a/src/dns.cpp +++ b/src/dns.cpp @@ -250,40 +250,23 @@ DNSRequest* DNS::AddQuery(DNSHeader *header, int &id) return req; } -/** Initialise the DNS UDP socket so that we can send requests */ -DNS::DNS(InspIRCd* Instance) : ServerInstance(Instance) +void DNS::Rehash() { - ServerInstance->Log(DEBUG,"DNS::DNS: Instance = %08x",Instance); - insp_inaddr addr; - - /* Clear the Resolver class table */ - memset(Classes,0,sizeof(Classes)); - - /* Clear the requests class table */ - memset(requests,0,sizeof(requests)); - - /* Set the id of the next request to 0 - */ - currid = 0; - - /* By default we're not munging ip's - */ ip6munge = false; - /* Clear the namesever address */ - memset(&myserver,0,sizeof(insp_inaddr)); + if (this->GetFd() > -1) + { + shutdown(this->GetFd(), 2); + close(this->GetFd()); + this->SetFd(-1); + } - /* Convert the nameserver address into an insp_inaddr */ if (insp_aton(ServerInstance->Config->DNSServer,&addr) > 0) { memcpy(&myserver,&addr,sizeof(insp_inaddr)); if ((strstr(ServerInstance->Config->DNSServer,"::ffff:") == (char*)&ServerInstance->Config->DNSServer) || (strstr(ServerInstance->Config->DNSServer,"::FFFF:") == (char*)&ServerInstance->Config->DNSServer)) { - /* These dont come back looking like they did when they went in. - * We're forced to turn some checks off. - * If anyone knows how to fix this, let me know. --Brain - */ ServerInstance->Log(DEFAULT,"WARNING: Using IPv4 addresses over IPv6 forces some DNS checks to be disabled."); ServerInstance->Log(DEFAULT," This should not cause a problem, however it is recommended you migrate"); ServerInstance->Log(DEFAULT," to a true IPv6 environment."); @@ -313,6 +296,7 @@ DNS::DNS(InspIRCd* Instance) : ServerInstance(Instance) { ServerInstance->Log(DEBUG,"I cant socket() this socket! (%s)",strerror(errno)); } + /* Have we got a socket and is it nonblocking? */ if (this->GetFd() != -1) { @@ -357,6 +341,26 @@ DNS::DNS(InspIRCd* Instance) : ServerInstance(Instance) } } +/** 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); + + /* Clear the Resolver class table */ + memset(Classes,0,sizeof(Classes)); + + /* Clear the requests class table */ + memset(requests,0,sizeof(requests)); + + /* Set the id of the next request to 0 + */ + currid = 0; + + this->SetFd(-1); + + this->Rehash(); +} + /** 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) { |