From 2bd52fb107528d459dabd5929794987c01a7270e Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Sat, 30 Jul 2016 11:51:52 -0400 Subject: stuff --- src/libcore/loopback-setup.c | 89 -------------------------------------------- 1 file changed, 89 deletions(-) delete mode 100644 src/libcore/loopback-setup.c (limited to 'src/libcore/loopback-setup.c') diff --git a/src/libcore/loopback-setup.c b/src/libcore/loopback-setup.c deleted file mode 100644 index f92e346f8c..0000000000 --- a/src/libcore/loopback-setup.c +++ /dev/null @@ -1,89 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see . -***/ - -#include -#include - -#include "basic/missing.h" -#include "sd-netlink/sd-netlink.h" - -#include "loopback-setup.h" - -static int start_loopback(sd_netlink *rtnl) { - _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; - int r; - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_SETLINK, LOOPBACK_IFINDEX); - if (r < 0) - return r; - - r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP); - if (r < 0) - return r; - - r = sd_netlink_call(rtnl, req, 0, NULL); - if (r < 0) - return r; - - return 0; -} - -static bool check_loopback(sd_netlink *rtnl) { - _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; - unsigned flags; - int r; - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, LOOPBACK_IFINDEX); - if (r < 0) - return false; - - r = sd_netlink_call(rtnl, req, 0, &reply); - if (r < 0) - return false; - - r = sd_rtnl_message_link_get_flags(reply, &flags); - if (r < 0) - return false; - - return flags & IFF_UP; -} - -int loopback_setup(void) { - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - int r; - - r = sd_netlink_open(&rtnl); - if (r < 0) - return r; - - r = start_loopback(rtnl); - if (r < 0) { - - /* If we lack the permissions to configure the - * loopback device, but we find it to be already - * configured, let's exit cleanly, in order to - * supported unprivileged containers. */ - if (r == -EPERM && check_loopback(rtnl)) - return 0; - - return log_warning_errno(r, "Failed to configure loopback device: %m"); - } - - return 0; -} -- cgit v1.2.3-54-g00ecf