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Compare address and interface index for allowed interface

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If interface is recreated with the same address but different index, it
would not change any other parameter.

Test also address family on incoming TCP queries.
This commit is contained in:
Petr Mensik
2019-07-03 17:02:16 +02:00
committed by Simon Kelley
parent 51cdd1a227
commit 951a22165c
2 changed files with 4 additions and 2 deletions
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3
src/dnsmasq.c
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@@ -1824,7 +1824,8 @@ static void check_dns_listeners(time_t now)
addr.addr4 = tcp_addr.in.sin_addr;
for (iface = daemon->interfaces; iface; iface = iface->next)
if (iface->index == if_index)
if (iface->index == if_index &&
iface->addr.sa.sa_family == tcp_addr.sa.sa_family)
break;
if (!iface && !loopback_exception(listener->tcpfd, tcp_addr.sa.sa_family, &addr, intr_name))