From 44385771ef63f081ed7e80eae6f24591046b4c7c Mon Sep 17 00:00:00 2001 Message-ID: <44385771ef63f081ed7e80eae6f24591046b4c7c.1687508149.git.stefan@agner.ch> In-Reply-To: References: From: Nate Karstens Date: Tue, 1 Aug 2017 17:06:01 -0500 Subject: [PATCH] Indicate loopback interface to mDNS core Tells the mDNS core if an interface is a loopback interface, similar to AddInterfaceToList() in the MacOS implementation. Upstream-Status: Submitted [dts@apple.com] Signed-off-by: Nate Karstens Signed-off-by: Alex Kiernan --- mDNSPosix/mDNSPosix.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/mDNSPosix/mDNSPosix.c b/mDNSPosix/mDNSPosix.c index 9a5b4d7..02a19b4 100644 --- a/mDNSPosix/mDNSPosix.c +++ b/mDNSPosix/mDNSPosix.c @@ -1348,7 +1348,7 @@ mDNSlocal void CleanRecentInterfaces(void) // Creates a PosixNetworkInterface for the interface whose IP address is // intfAddr and whose name is intfName and registers it with mDNS core. mDNSlocal int SetupOneInterface(mDNS *const m, struct sockaddr *intfAddr, struct sockaddr *intfMask, - const mDNSu8 *intfHaddr, mDNSu16 intfHlen, const char *intfName, int intfIndex) + const mDNSu8 *intfHaddr, mDNSu16 intfHlen, const char *intfName, int intfIndex, int intfFlags) { int err = 0; PosixNetworkInterface *intf; @@ -1411,6 +1411,7 @@ mDNSlocal int SetupOneInterface(mDNS *const m, struct sockaddr *intfAddr, struct intf->coreIntf.Advertise = m->AdvertiseLocalAddresses; intf->coreIntf.McastTxRx = mDNStrue; + intf->coreIntf.Loopback = ((intfFlags & IFF_LOOPBACK) != 0) ? mDNStrue : mDNSfalse; // Set up the extra fields in PosixNetworkInterface. assert(intf->intfName != NULL); // intf->intfName already set up above @@ -1561,7 +1562,7 @@ mDNSlocal int SetupInterfaceList(mDNS *const m) } #endif if (SetupOneInterface(m, i->ifa_addr, i->ifa_netmask, - hwaddr, hwaddr_len, i->ifa_name, ifIndex) == 0) + hwaddr, hwaddr_len, i->ifa_name, ifIndex, i->ifa_flags) == 0) { if (i->ifa_addr->sa_family == AF_INET) foundav4 = mDNStrue; @@ -1578,7 +1579,7 @@ mDNSlocal int SetupInterfaceList(mDNS *const m) // if ((m->HostInterfaces == NULL) && (firstLoopback != NULL)) if (!foundav4 && firstLoopback) (void) SetupOneInterface(m, firstLoopback->ifa_addr, firstLoopback->ifa_netmask, - NULL, 0, firstLoopback->ifa_name, firstLoopbackIndex); + NULL, 0, firstLoopback->ifa_name, firstLoopbackIndex, firstLoopback->ifa_flags); } // Clean up. -- 2.41.0