1 files changed, 72 insertions, 2 deletions
diff --git a/server.c b/server.c
index 0315ccb..89a78c0 100644
--- a/server.c
+++ b/server.c
@@ -3,8 +3,78 @@
  * Copyright (C) 2018 Wireguard LLC
  */
 
-int setup_server(const char interface[])
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include "protocol.h"
+#include "server.h"
+
+bool is_wg_up_on_iface(const char iface[])
+{
+	/* TODO */
+	return true;
+}
+
+int setup_server()
+{
+	int sock = -1;
+	int reuseaddr = 1;
+	int ret;
+	struct sockaddr_in6 addr;
+
+	sock = socket(AF_INET6, SOCK_STREAM, 0);
+	if (sock < 0) {
+		return -errno;
+	}
+	setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &reuseaddr,
+		   sizeof(reuseaddr));
+	addr.sin6_family = AF_INET6;
+	addr.sin6_port = htons(WG_DYNAMIC_SERVER_PORT);
+	inet_pton(AF_INET6, WG_DYNAMIC_SERVER_IP, &addr.sin6_addr);
+	ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
+	if (ret < 0) {
+		return -errno;
+	}
+	ret = listen(sock, 5);
+	if (ret < 0) {
+		return -errno;
+	}
+	return sock;
+}
+
+static void handle_connection(int conn, struct sockaddr_in6 addr)
 {
 	/* TODO */
-	return -1;
+}
+
+int handle_connections(int sock)
+{
+	int conn = -1;
+	pid_t pid = -1;
+	struct sockaddr_in6 addr;
+	socklen_t addr_size = sizeof(addr);
+	;
+	while (1) {
+		conn = accept(sock, (struct sockaddr *)&addr, &addr_size);
+		if (conn < 0) {
+			return -errno;
+		}
+		pid = fork();
+		if (pid < 0) {
+			return -errno;
+		} else if (pid == 0) {
+			close(sock);
+			handle_connection(conn, addr);
+			close(conn);
+			exit(EXIT_SUCCESS);
+		} else {
+			close(conn);
+		}
+	}
+	return 0;
 }