From: Dennis Chen <barracks510@gmail.com>
Date: Thu, 2 Jan 2020 13:30:58 +0000 (-0600)
Subject: bugfix: off by one error (#257)
X-Git-Url: http://git.prime8.dev/?a=commitdiff_plain;h=498874deb851b913acbc102fcc85b2fe95ed9e72;p=ttyd.git

bugfix: off by one error (#257)

The strncpy function requires enough space for a NUL terminator.
---

diff --git a/src/server.c b/src/server.c
index 7453044..d586c8a 100644
--- a/src/server.c
+++ b/src/server.c
@@ -431,7 +431,7 @@ main(int argc, char **argv) {
         if (endswith(info.iface, ".sock") || endswith(info.iface, ".socket")) {
 #if defined(LWS_USE_UNIX_SOCK) || defined(LWS_WITH_UNIX_SOCK)
             info.options |= LWS_SERVER_OPTION_UNIX_SOCK;
-            strncpy(server->socket_path, info.iface, sizeof(server->socket_path));
+            strncpy(server->socket_path, info.iface, sizeof(server->socket_path) - 1);
 #else
             fprintf(stderr, "libwebsockets is not compiled with UNIX domain socket support");
             return -1;