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synced 2025-04-28 17:46:38 -04:00
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
--- device-bsd44.c.orig 2019-07-20 03:58:19 UTC
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+++ device-bsd44.c
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@@ -126,8 +126,29 @@ ret:
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return -1;
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}
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-int setup_allrouters_membership(int sock, struct Interface *iface) { return 0; }
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+int setup_allrouters_membership(int sock, struct Interface *iface)
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+{
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+ struct ipv6_mreq mreq;
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+ memset(&mreq, 0, sizeof(mreq));
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+ mreq.ipv6mr_interface = iface->props.if_index;
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+
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+ /* all-routers multicast address */
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+ if (inet_pton(AF_INET6, "ff02::2",
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+ &mreq.ipv6mr_multiaddr.s6_addr) != 1) {
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+ flog(LOG_ERR, "inet_pton failed");
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+ return (-1);
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+ }
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+
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+ if (setsockopt(sock, IPPROTO_IPV6, IPV6_JOIN_GROUP,
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+ &mreq, sizeof(mreq)) < 0 && errno != EADDRINUSE) {
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+ flog(LOG_ERR, "can't join ipv6-allrouters on %s", iface->props.name);
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+ return (-1);
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+ }
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+
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+ return 0;
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+}
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+
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int set_interface_linkmtu(const char *iface, uint32_t mtu)
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{
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dlog(LOG_DEBUG, 4, "setting LinkMTU (%u) for %s is not supported", mtu, iface);
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@@ -161,5 +182,5 @@ int check_ip6_forwarding(void)
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int check_ip6_iface_forwarding(const char *iface)
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{
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dlog(LOG_DEBUG, 4, "checking ipv6 forwarding of interface not supported");
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- return -1;
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+ return 1;
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}
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