From ad17d91b425517c3060a0ed0bfa6131a466d1f5f Mon Sep 17 00:00:00 2001
From: tim-le <tim-le@users.noreply.github.com>
Date: Fri, 15 Jul 2016 07:08:10 +0800
Subject: [PATCH] fix bugs with when ss-server bind_address enabled (#725)

* SO_REUSEADDR for remote sockfd

avoid  ERROR: bind_to_address: Address already in use

* set addr->sin_port to be 0
---
 src/netutils.c | 1 +
 src/server.c   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/netutils.c b/src/netutils.c
index 7d5102f3..58dbae6b 100644
--- a/src/netutils.c
+++ b/src/netutils.c
@@ -91,6 +91,7 @@ int bind_to_address(int socket_fd, const char *host)
     if (host != NULL) {
         struct cork_ip ip;
         struct sockaddr_storage storage;
+        memset(&storage, 0, sizeof(storage));
         if (cork_ip_init(&ip, host) != -1) {
             if (ip.version == 4) {
                 struct sockaddr_in *addr = (struct sockaddr_in *)&storage;
diff --git a/src/server.c b/src/server.c
index e1a0eefe..5427b1ea 100644
--- a/src/server.c
+++ b/src/server.c
@@ -415,6 +415,7 @@ static remote_t *connect_to_remote(struct addrinfo *res,
 #ifdef SO_NOSIGPIPE
     setsockopt(sockfd, SOL_SOCKET, SO_NOSIGPIPE, &opt, sizeof(opt));
 #endif
+    setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
 
     remote_t *remote = new_remote(sockfd);