+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Susant Sahani <susant@redhat.com>
-
- 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 <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <arpa/inet.h>
-#include <net/if.h>
-#include <linux/ip.h>
-#include <linux/if_tunnel.h>
-
-#include "sd-rtnl.h"
-#include "networkd.h"
-#include "network-internal.h"
-#include "util.h"
-#include "missing.h"
-#include "conf-parser.h"
-
-
-static int netdev_fill_ipip_rtnl_message(Link *link, sd_rtnl_message *m) {
- NetDev *netdev;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->network->tunnel);
- assert(m);
-
- netdev = link->network->tunnel;
-
- assert(netdev->family == AF_INET);
-
- r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IFNAME, attribute: %s",
- strerror(-r));
- return r;
- }
-
- if(netdev->mtu) {
- r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_MTU attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (netdev->mac) {
- r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
- if (r < 0) {
- log_error_netdev(netdev,
- "Colud not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
- netdev_kind_to_string(netdev->kind));
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &netdev->local.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &netdev->remote.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, netdev->ttl);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_TTL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_fill_sit_rtnl_message(Link *link, sd_rtnl_message *m) {
- NetDev *netdev;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->network->tunnel);
- assert(m);
-
- netdev = link->network->tunnel;
-
- assert(netdev->family == AF_INET);
-
- r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IFNAME, attribute: %s",
- strerror(-r));
- return r;
- }
-
- if(netdev->mtu) {
- r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_MTU attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (netdev->mac) {
- r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
- if (r < 0) {
- log_error_netdev(netdev,
- "Colud not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
- netdev_kind_to_string(netdev->kind));
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &netdev->local.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &netdev->remote.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TOS, netdev->tos);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_TOS attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, netdev->tunnel_pmtudisc);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_PMTUDISC attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_fill_ipgre_rtnl_message(Link *link, sd_rtnl_message *m) {
- NetDev *netdev;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->network->tunnel);
- assert(m);
-
- netdev = link->network->tunnel;
-
- assert(netdev->family == AF_INET);
-
- r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IFNAME, attribute: %s",
- strerror(-r));
- return r;
- }
-
- if(netdev->mtu) {
- r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_MTU attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (netdev->mac) {
- r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
- if (r < 0) {
- log_error_netdev(netdev,
- "Colud not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
- netdev_kind_to_string(netdev->kind));
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_GRE_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &netdev->local.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_GRE_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &netdev->remote.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_GRE_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, netdev->ttl);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_GRE_TTL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, netdev->tos);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_GRE_TOS attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_fill_vti_rtnl_message(Link *link, sd_rtnl_message *m) {
- NetDev *netdev;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->network->tunnel);
- assert(m);
-
- netdev = link->network->tunnel;
-
- assert(netdev->family == AF_INET);
-
- r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IFNAME, attribute: %s",
- strerror(-r));
- return r;
- }
-
- if(netdev->mtu) {
- r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_MTU attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (netdev->mac) {
- r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
- if (r < 0) {
- log_error_netdev(netdev,
- "Colud not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
- netdev_kind_to_string(netdev->kind));
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &netdev->local.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &netdev->remote.in);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IPTUN_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-int netdev_create_tunnel(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
- int r;
-
- assert(netdev);
- assert(netdev->ifname);
- assert(netdev->manager);
- assert(netdev->manager->rtnl);
- assert(link);
- assert(link->network);
- assert(link->network->tunnel == netdev);
-
- r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not allocate RTM_NEWLINK message: %s",
- strerror(-r));
- return r;
- }
-
- switch(netdev->kind) {
- case NETDEV_KIND_IPIP:
- r = netdev_fill_ipip_rtnl_message(link, m);
- if(r < 0)
- return r;
- break;
- case NETDEV_KIND_SIT:
- r = netdev_fill_sit_rtnl_message(link, m);
- if(r < 0)
- return r;
- break;
- case NETDEV_KIND_VTI:
- netdev_fill_vti_rtnl_message(link, m);
- if(r < 0)
- return r;
- break;
- case NETDEV_KIND_GRE:
- r = netdev_fill_ipgre_rtnl_message(link, m);
- if(r < 0)
- return r;
- break;
- default:
- return -ENOTSUP;
- }
-
- r = sd_rtnl_call_async(netdev->manager->rtnl, m, callback, link, 0, NULL);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not send rtnetlink message: %s", strerror(-r));
- return r;
- }
-
- link_ref(link);
-
- log_debug_netdev(netdev, "Creating tunnel netdev: %s",
- netdev_kind_to_string(netdev->kind));
-
- netdev->state = NETDEV_STATE_CREATING;
-
- return 0;
-}
-
-int config_parse_tunnel_address(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- NetDev *n = userdata;
- union in_addr_union *addr = data;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = net_parse_inaddr(rvalue, &n->family, addr);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Tunnel address is invalid, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- return 0;
-}
~ianmdlvl / elogind.git / blobdiff