dist/mDNSPosix/mDNSPosix.c

217 mDNSlocal void SocketDataReady(mDNS *const m, PosixNetworkInterface *intf, int skt)
229     const mDNSInterfaceID InterfaceID = intf ? intf->coreIntf.InterfaceID : NULL;
276         if (!intf)
283             if      (packetInfo.ipi_ifname[0] != 0) reject = (strcmp(packetInfo.ipi_ifname, intf->intfName) != 0);
284             else if (packetInfo.ipi_ifindex != -1) reject = (packetInfo.ipi_ifindex != intf->index);
290                               &intf->coreIntf.ip, intf->intfName, intf->index, skt);
305                               &senderAddr, &destAddr, &intf->coreIntf.ip, intf->intfName, intf->index, skt);
524     PosixNetworkInterface *intf;
529     intf = (PosixNetworkInterface*)(m->HostInterfaces);
530     while ((intf != NULL) && (strcmp(intf->intfName, intfName) != 0))
531         intf = (PosixNetworkInterface *)(intf->coreIntf.next);
533     return intf;
538     PosixNetworkInterface *intf;
546     intf = (PosixNetworkInterface*)(m->HostInterfaces);
547     while ((intf != NULL) && (mDNSu32) intf->index != index)
548         intf = (PosixNetworkInterface *)(intf->coreIntf.next);
550     return (mDNSInterfaceID) intf;
555     PosixNetworkInterface *intf;
564     intf = (PosixNetworkInterface*)(m->HostInterfaces);
565     while ((intf != NULL) && (mDNSInterfaceID) intf != id)
566         intf = (PosixNetworkInterface *)(intf->coreIntf.next);
568     if (intf) return intf->index;
571     intf = gRecentInterfaces;
572     while ((intf != NULL) && (mDNSInterfaceID) intf != id)
573         intf = (PosixNetworkInterface *)(intf->coreIntf.next);
575     return intf ? intf->index : 0;
580 mDNSlocal void FreePosixNetworkInterface(PosixNetworkInterface *intf)
583     assert(intf != NULL);
584     if (intf->intfName != NULL) free((void *)intf->intfName);
585     if (intf->multicastSocket4 != -1)
587         rv = close(intf->multicastSocket4);
591     if (intf->multicastSocket6 != -1)
593         rv = close(intf->multicastSocket6);
599     intf->LastSeen = mDNSPlatformUTC();
600     intf->coreIntf.next = &gRecentInterfaces->coreIntf;
601     gRecentInterfaces = intf;
611         PosixNetworkInterface *intf = (PosixNetworkInterface*)(m->HostInterfaces);
612         mDNS_DeregisterInterface(m, &intf->coreIntf, NormalActivation);
613         if (gMDNSPlatformPosixVerboseLevel > 0) fprintf(stderr, "Deregistered interface %s\n", intf->intfName);
614         FreePosixNetworkInterface(intf);
880     PosixNetworkInterface *intf;
889     intf = (PosixNetworkInterface*)calloc(1, sizeof(*intf));
890     if (intf == NULL) { assert(0); err = ENOMEM; }
895         intf->intfName = strdup(intfName);
896         if (intf->intfName == NULL) { assert(0); err = ENOMEM; }
902         SockAddrTomDNSAddr(intfAddr, &intf->coreIntf.ip, NULL);
903         SockAddrTomDNSAddr(intfMask, &intf->coreIntf.mask, NULL);
905         //LogMsg("SetupOneInterface: %#a %#a",  &intf->coreIntf.ip,  &intf->coreIntf.mask);
906         strncpy(intf->coreIntf.ifname, intfName, sizeof(intf->coreIntf.ifname));
907         intf->coreIntf.ifname[sizeof(intf->coreIntf.ifname)-1] = 0;
908         intf->coreIntf.Advertise = m->AdvertiseLocalAddresses;
909         intf->coreIntf.McastTxRx = mDNStrue;
912         assert(intf->intfName != NULL);         // intf->intfName already set up above
913         intf->index                = intfIndex;
914         intf->multicastSocket4     = -1;
916         intf->multicastSocket6     = -1;
918         alias                      = SearchForInterfaceByName(m, intf->intfName);
919         if (alias == NULL) alias   = intf;
920         intf->coreIntf.InterfaceID = (mDNSInterfaceID)alias;
922         if (alias != intf)
923             debugf("SetupOneInterface: %s %#a is an alias of %#a", intfName, &intf->coreIntf.ip, &alias->coreIntf.ip);
930             err = SetupSocket(intfAddr, MulticastDNSPort, intf->index, &alias->multicastSocket4);
933             err = SetupSocket(intfAddr, MulticastDNSPort, intf->index, &alias->multicastSocket6);
939     intf->coreIntf.DirectLink = mDNSfalse;
942         intf->coreIntf.DirectLink = mDNStrue;
944     intf->coreIntf.SupportsUnicastMDNSResponse = mDNStrue;
948         err = mDNS_RegisterInterface(m, &intf->coreIntf, NormalActivation);
954         debugf("SetupOneInterface: %s %#a Registered", intf->intfName, &intf->coreIntf.ip);
956             fprintf(stderr, "Registered interface %s\n", intf->intfName);
960         // Use intfName instead of intf->intfName in the next line to avoid dereferencing NULL.
961         debugf("SetupOneInterface: %s %#a failed to register %d", intfName, &intf->coreIntf.ip, err);
962         if (intf) { FreePosixNetworkInterface(intf); intf = NULL; }
965     assert((err == 0) == (intf != NULL));
1610 mDNSexport mDNSBool mDNSPlatformValidQuestionForInterface(DNSQuestion *q, const NetworkInterfaceInfo *intf)
1613     (void) intf;