Client - Fix to possible infinite loop in ReadLine

- If the remote host closes, recv() returns 0, this was not checked
 > Caused 100% CPU on motsugo when un in a backup script

diff --git a/src/client/main.c b/src/client/main.c
index f3ac712..bf22fab 100644 (file)
--- a/src/client/main.c
+++ b/src/client/main.c
@@ -2219,7 +2219,7 @@ char *ReadLine(int Socket)
                }
                else {
                        len = recv(Socket, buf+bufPos, BUFSIZ-1-bufPos, 0);
                }
                else {
                        len = recv(Socket, buf+bufPos, BUFSIZ-1-bufPos, 0);

-                       if( len < 0 ) {
+                       if( len <= 0 ) {

                                free(ret);
                                return strdup("599 Client Connection Error\n");
                        }
                                free(ret);
                                return strdup("599 Client Connection Error\n");
                        }