From: Daniel Mack <daniel@zonque.org>
Date: Fri, 10 Jul 2015 19:28:09 +0000 (-0400)
Subject: resolved: use a #define for LLMNR port
X-Git-Tag: v226.4~1^2~214
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=ea8f9765a8194a83b28cdffbcec72bba8a765b7f

resolved: use a #define for LLMNR port

De-duplicate some magic numbers.
---

diff --git a/src/resolve/resolved-llmnr.c b/src/resolve/resolved-llmnr.c
index ee9a41637..8afaf8db6 100644
--- a/src/resolve/resolved-llmnr.c
+++ b/src/resolve/resolved-llmnr.c
@@ -124,7 +124,7 @@ static int on_llmnr_packet(sd_event_source *s, int fd, uint32_t revents, void *u
 int manager_llmnr_ipv4_udp_fd(Manager *m) {
         union sockaddr_union sa = {
                 .in.sin_family = AF_INET,
-                .in.sin_port = htobe16(5355),
+                .in.sin_port = htobe16(LLMNR_PORT),
         };
         static const int one = 1, pmtu = IP_PMTUDISC_DONT, ttl = 255;
         int r;
@@ -202,7 +202,7 @@ fail:
 int manager_llmnr_ipv6_udp_fd(Manager *m) {
         union sockaddr_union sa = {
                 .in6.sin6_family = AF_INET6,
-                .in6.sin6_port = htobe16(5355),
+                .in6.sin6_port = htobe16(LLMNR_PORT),
         };
         static const int one = 1, ttl = 255;
         int r;
@@ -330,7 +330,7 @@ static int on_llmnr_stream(sd_event_source *s, int fd, uint32_t revents, void *u
 int manager_llmnr_ipv4_tcp_fd(Manager *m) {
         union sockaddr_union sa = {
                 .in.sin_family = AF_INET,
-                .in.sin_port = htobe16(5355),
+                .in.sin_port = htobe16(LLMNR_PORT),
         };
         static const int one = 1, pmtu = IP_PMTUDISC_DONT;
         int r;
@@ -402,7 +402,7 @@ fail:
 int manager_llmnr_ipv6_tcp_fd(Manager *m) {
         union sockaddr_union sa = {
                 .in6.sin6_family = AF_INET6,
-                .in6.sin6_port = htobe16(5355),
+                .in6.sin6_port = htobe16(LLMNR_PORT),
         };
         static const int one = 1;
         int r;
diff --git a/src/resolve/resolved-llmnr.h b/src/resolve/resolved-llmnr.h
index 640644000..d489d481e 100644
--- a/src/resolve/resolved-llmnr.h
+++ b/src/resolve/resolved-llmnr.h
@@ -23,6 +23,8 @@
 
 #include "resolved-manager.h"
 
+#define LLMNR_PORT 5355
+
 int manager_llmnr_ipv4_udp_fd(Manager *m);
 int manager_llmnr_ipv6_udp_fd(Manager *m);
 int manager_llmnr_ipv4_tcp_fd(Manager *m);