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mdnsresponder: No longer require IPv4 address to start.

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It used to require 1+ IPv4 addresses to start on Linux. Now it starts
up with 0 addresses (of any type), as netlink can provide us more
later. This way, no stupid restart loop with procd if it is racing
with netifd at startup.

Signed-off-by: Steven Barth <steven@midlink.org>
This commit is contained in:
Markus Stenberg 2015-05-08 12:51:03 +03:00 committed by Steven Barth
parent eb97e6fc0f
commit e53068dda8
1 changed files with 29 additions and 6 deletions
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35
net/mdnsresponder/patches/100-linux_fixes.patch
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@ -103,7 +103,7 @@ index 3996b7b..e58d8eb 100755
return status;
}
diff --git a/mDNSPosix/mDNSPosix.c b/mDNSPosix/mDNSPosix.c
index 6effa12..d3acf99 100755
index 6effa12..7c1d6eb 100755
--- a/mDNSPosix/mDNSPosix.c
+++ b/mDNSPosix/mDNSPosix.c
@@ -138,7 +138,7 @@ mDNSlocal void SockAddrTomDNSAddr(const struct sockaddr *const sa, mDNSAddr *ipA
@ -209,7 +209,30 @@ index 6effa12..d3acf99 100755
assert((err == 0) == (*sktPtr != -1));
return err;
}
@@ -1026,7 +1085,7 @@ mDNSlocal mStatus OpenIfNotifySocket(int *pFD)
@@ -938,19 +997,14 @@ mDNSlocal int SetupInterfaceList(mDNS *const m)
int err = 0;
struct ifi_info *intfList = get_ifi_info(AF_INET, mDNStrue);
struct ifi_info *firstLoopback = NULL;
+ struct ifi_info **p = &intfList;
assert(m != NULL);
debugf("SetupInterfaceList");
- if (intfList == NULL) err = ENOENT;
-
#if HAVE_IPV6
- if (err == 0) /* Link the IPv6 list to the end of the IPv4 list */
- {
- struct ifi_info **p = &intfList;
- while (*p) p = &(*p)->ifi_next;
- *p = get_ifi_info(AF_INET6, mDNStrue);
- }
+ while (*p) p = &(*p)->ifi_next;
+ *p = get_ifi_info(AF_INET6, mDNStrue);
#endif
if (err == 0)
@@ -1026,7 +1080,7 @@ mDNSlocal mStatus OpenIfNotifySocket(int *pFD)
/* Subscribe the socket to Link & IP addr notifications. */
mDNSPlatformMemZero(&snl, sizeof snl);
snl.nl_family = AF_NETLINK;
@ -218,7 +241,7 @@ index 6effa12..d3acf99 100755
ret = bind(sock, (struct sockaddr *) &snl, sizeof snl);
if (0 == ret)
*pFD = sock;
@@ -1104,11 +1163,18 @@ mDNSlocal mDNSu32 ProcessRoutingNotification(int sd)
@@ -1104,11 +1158,18 @@ mDNSlocal mDNSu32 ProcessRoutingNotification(int sd)
PrintNetLinkMsg(pNLMsg);
#endif
@ -239,7 +262,7 @@ index 6effa12..d3acf99 100755
// Advance pNLMsg to the next message in the buffer
if ((pNLMsg->nlmsg_flags & NLM_F_MULTI) != 0 && pNLMsg->nlmsg_type != NLMSG_DONE)
@@ -1279,8 +1345,12 @@ mDNSexport mStatus mDNSPlatformInit(mDNS *const m)
@@ -1279,8 +1340,12 @@ mDNSexport mStatus mDNSPlatformInit(mDNS *const m)
if (err == mStatus_NoError) err = SetupSocket(&sa, zeroIPPort, 0, &m->p->unicastSocket6);
#endif
@ -252,7 +275,7 @@ index 6effa12..d3acf99 100755
// Tell mDNS core about DNS Servers
mDNS_Lock(m);
@@ -1313,9 +1383,17 @@ mDNSexport void mDNSPlatformClose(mDNS *const m)
@@ -1313,9 +1378,17 @@ mDNSexport void mDNSPlatformClose(mDNS *const m)
{
assert(m != NULL);
ClearInterfaceList(m);
@ -272,7 +295,7 @@ index 6effa12..d3acf99 100755
#endif
}
@@ -1571,14 +1649,14 @@ mDNSexport mStatus mDNSPlatformClearSPSMACAddr(void)
@@ -1571,14 +1644,14 @@ mDNSexport mStatus mDNSPlatformClearSPSMACAddr(void)
mDNSexport mDNSu16 mDNSPlatformGetUDPPort(UDPSocket *sock)
{
(void) sock; // unused