* Copyright (C) 2013 Steven Barth <steven@midlink.org>
* Copyright (C) 2014 Gioacchino Mazzurco <gio@eigenlab.org>
* Copyright (C) 2017 Matthias Schiffer <mschiffer@universe-factory.net>
+ * Copyright (C) 2018 Hans Dedecker <dedeckeh@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
#include <net/if.h>
#include <net/if_arp.h>
+#include <limits.h>
#include <arpa/inet.h>
-#include <netinet/ether.h>
#include <netinet/in.h>
+#include <netinet/ether.h>
#include <linux/rtnetlink.h>
+#include <linux/neighbour.h>
#include <linux/sockios.h>
#include <linux/ip.h>
#include <linux/if_addr.h>
#include <linux/veth.h>
#include <linux/version.h>
+#include <sched.h>
+
#ifndef RTN_FAILED_POLICY
#define RTN_FAILED_POLICY 12
#endif
#include "netifd.h"
#include "device.h"
#include "system.h"
+#include "utils.h"
struct event_socket {
struct uloop_fd uloop;
switch(err) {
case ENOBUFS:
- // Increase rx buffer size on netlink socket
+ /* Increase rx buffer size on netlink socket */
ev->bufsize *= 2;
if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
goto abort;
- // Request full dump since some info got dropped
+ /* Request full dump since some info got dropped */
struct rtgenmsg msg = { .rtgen_family = AF_UNSPEC };
nl_send_simple(ev->sock, RTM_GETLINK, NLM_F_DUMP, &msg, sizeof(msg));
break;
if (groups)
nl_join_groups(sock, groups);
- if (nl_connect(sock, protocol))
+ if (nl_connect(sock, protocol)) {
+ nl_socket_free(sock);
return NULL;
+ }
return sock;
}
if (!create_raw_event_socket(ev, protocol, 0, handler_nl_event, ULOOP_ERROR_CB))
return false;
- // Install the valid custom callback handler
+ /* Install the valid custom callback handler */
nl_socket_modify_cb(ev->sock, NL_CB_VALID, NL_CB_CUSTOM, cb, NULL);
- // Disable sequence number checking on event sockets
+ /* Disable sequence number checking on event sockets */
nl_socket_disable_seq_check(ev->sock);
- // Increase rx buffer size to 65K on event sockets
+ /* Increase rx buffer size to 65K on event sockets */
+ ev->bufsize = 65535;
+ if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
+ return false;
+
+ return true;
+}
+
+static bool
+create_hotplug_event_socket(struct event_socket *ev, int protocol,
+ void (*cb)(struct uloop_fd *u, unsigned int events))
+{
+ if (!create_raw_event_socket(ev, protocol, 1, cb, ULOOP_ERROR_CB))
+ return false;
+
+ /* Increase rx buffer size to 65K on event sockets */
ev->bufsize = 65535;
if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
return false;
sock_ioctl = socket(AF_LOCAL, SOCK_DGRAM, 0);
system_fd_set_cloexec(sock_ioctl);
- // Prepare socket for routing / address control
+ /* Prepare socket for routing / address control */
sock_rtnl = create_socket(NETLINK_ROUTE, 0);
if (!sock_rtnl)
return -1;
if (!create_event_socket(&rtnl_event, NETLINK_ROUTE, cb_rtnl_event))
return -1;
- if (!create_raw_event_socket(&hotplug_event, NETLINK_KOBJECT_UEVENT, 1,
- handle_hotplug_event, 0))
+ if (!create_hotplug_event_socket(&hotplug_event, NETLINK_KOBJECT_UEVENT,
+ handle_hotplug_event))
return -1;
- // Receive network link events form kernel
+ /* Receive network link events form kernel */
nl_socket_add_membership(rtnl_event.sock, RTNLGRP_LINK);
return 0;
system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/disable_ipv6", dev->ifname, val);
}
+static void system_set_ip6segmentrouting(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/seg6_enabled", dev->ifname, val);
+}
+
static void system_set_rpfilter(struct device *dev, const char *val)
{
system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/rp_filter", dev->ifname, val);
system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits", dev->ifname, val);
}
+static void system_set_sendredirects(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects", dev->ifname, val);
+}
+
+static void system_set_drop_v4_unicast_in_l2_multicast(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast", dev->ifname, val);
+}
+
+static void system_set_drop_v6_unicast_in_l2_multicast(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast", dev->ifname, val);
+}
+
+static void system_set_drop_gratuitous_arp(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp", dev->ifname, val);
+}
+
+static void system_set_drop_unsolicited_na(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na", dev->ifname, val);
+}
+
+static void system_set_arp_accept(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/arp_accept", dev->ifname, val);
+}
+
static void system_bridge_set_multicast_to_unicast(struct device *dev, const char *val)
{
system_set_dev_sysctl("/sys/class/net/%s/brport/multicast_to_unicast", dev->ifname, val);
system_set_dev_sysctl("/sys/class/net/%s/brport/hairpin_mode", dev->ifname, val);
}
+static void system_bridge_set_isolated(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/class/net/%s/brport/isolated", dev->ifname, val);
+}
+
static void system_bridge_set_multicast_router(struct device *dev, const char *val, bool bridge)
{
system_set_dev_sysctl(bridge ? "/sys/class/net/%s/bridge/multicast_router" :
dev->ifname, val);
}
+static void system_bridge_set_stp_state(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/stp_state", dev->ifname, val);
+}
+
+static void system_bridge_set_forward_delay(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/forward_delay", dev->ifname, val);
+}
+
+static void system_bridge_set_priority(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/priority", dev->ifname, val);
+}
+
+static void system_bridge_set_ageing_time(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/ageing_time", dev->ifname, val);
+}
+
+static void system_bridge_set_hello_time(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/hello_time", dev->ifname, val);
+}
+
+static void system_bridge_set_max_age(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/max_age", dev->ifname, val);
+}
+
static void system_bridge_set_learning(struct device *dev, const char *val)
{
system_set_dev_sysctl("/sys/class/net/%s/brport/learning", dev->ifname, val);
system_set_dev_sysctl("/sys/class/net/%s/brport/unicast_flood", dev->ifname, val);
}
-static void system_set_sendredirects(struct device *dev, const char *val)
+static void system_bridge_set_vlan_filtering(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects", dev->ifname, val);
+ system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/vlan_filtering", dev->ifname, val);
}
static int system_get_sysctl(const char *path, char *buf, const size_t buf_sz)
dev->ifname, buf, buf_sz);
}
+static int system_get_ip6segmentrouting(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/seg6_enabled",
+ dev->ifname, buf, buf_sz);
+}
+
static int system_get_rpfilter(struct device *dev, char *buf, const size_t buf_sz)
{
return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/rp_filter",
dev->ifname, buf, buf_sz);
}
-// Evaluate netlink messages
+
+static int system_get_drop_v4_unicast_in_l2_multicast(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_v6_unicast_in_l2_multicast(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_gratuitous_arp(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_unsolicited_na(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_arp_accept(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/arp_accept",
+ dev->ifname, buf, buf_sz);
+}
+
+/* Evaluate netlink messages */
static int cb_rtnl_event(struct nl_msg *msg, void *arg)
{
struct nlmsghdr *nh = nlmsg_hdr(msg);
if (!system_get_dev_sysctl("/sys/class/net/%s/carrier", dev->ifname, buf, sizeof(buf)))
link_state = strtoul(buf, NULL, 0);
+ if (dev->type == &simple_device_type)
+ device_set_present(dev, true);
+
device_set_link(dev, link_state ? true : false);
out:
static void
handle_hotplug_msg(char *data, int size)
{
- const char *subsystem = NULL, *interface = NULL;
+ const char *subsystem = NULL, *interface = NULL, *interface_old = NULL;
char *cur, *end, *sep;
struct device *dev;
int skip;
- bool add;
+ bool add, move = false;
if (!strncmp(data, "add@", 4))
add = true;
else if (!strncmp(data, "remove@", 7))
add = false;
+ else if (!strncmp(data, "move@", 5)) {
+ add = true;
+ move = true;
+ }
else
return;
subsystem = sep + 1;
if (strcmp(subsystem, "net") != 0)
return;
+ } else if (!strcmp(cur, "DEVPATH_OLD")) {
+ interface_old = strrchr(sep + 1, '/');
+ if (interface_old)
+ interface_old++;
}
- if (subsystem && interface)
+ }
+
+ if (subsystem && interface) {
+ if (move && interface_old)
+ goto move;
+ else
goto found;
}
+
return;
-found:
- dev = device_find(interface);
+move:
+ dev = device_find(interface_old);
if (!dev)
return;
if (dev->type != &simple_device_type)
+ goto found;
+
+ device_set_present(dev, false);
+
+ return;
+
+found:
+ dev = device_find(interface);
+ if (!dev)
return;
- if (add && system_if_force_external(dev->ifname))
+ if (dev->type != &simple_device_type)
return;
device_set_present(dev, add);
struct sockaddr_nl nla;
unsigned char *buf = NULL;
int size;
+ int err;
+ socklen_t errlen = sizeof(err);
+
+ if (!u->error) {
+ while ((size = nl_recv(ev->sock, &nla, &buf, NULL)) > 0) {
+ if (nla.nl_pid == 0)
+ handle_hotplug_msg((char *) buf, size);
+
+ free(buf);
+ }
+ return;
+ }
+
+ if (getsockopt(u->fd, SOL_SOCKET, SO_ERROR, (void *)&err, &errlen))
+ goto abort;
- while ((size = nl_recv(ev->sock, &nla, &buf, NULL)) > 0) {
- if (nla.nl_pid == 0)
- handle_hotplug_msg((char *) buf, size);
+ switch(err) {
+ case ENOBUFS:
+ /* Increase rx buffer size on netlink socket */
+ ev->bufsize *= 2;
+ if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
+ goto abort;
+ break;
- free(buf);
+ default:
+ goto abort;
}
+ u->error = false;
+ return;
+
+abort:
+ uloop_fd_delete(&ev->uloop);
+ return;
}
static int system_rtnl_call(struct nl_msg *msg)
ifr.ifr_ifindex = dev->ifindex;
else
ifr.ifr_data = data;
- strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name) - 1);
return ioctl(sock_ioctl, cmd, &ifr);
}
{
char buf[64];
char *oldbr;
- int ret = 0;
+ int tries = 0;
+ int ret;
+retry:
+ ret = 0;
oldbr = system_get_bridge(dev->ifname, dev_buf, sizeof(dev_buf));
- if (!oldbr || strcmp(oldbr, bridge->ifname) != 0)
+ if (!oldbr || strcmp(oldbr, bridge->ifname) != 0) {
ret = system_bridge_if(bridge->ifname, dev, SIOCBRADDIF, NULL);
+ tries++;
+ D(SYSTEM, "Failed to add device '%s' to bridge '%s' (tries=%d): %s\n",
+ dev->ifname, bridge->ifname, tries, strerror(errno));
+ if (tries <= 3)
+ goto retry;
+ }
if (dev->wireless)
system_bridge_set_wireless(bridge, dev);
!dev->settings.unicast_flood)
system_bridge_set_unicast_flood(dev, "0");
+ if (dev->settings.flags & DEV_OPT_ISOLATE &&
+ dev->settings.isolate)
+ system_bridge_set_isolated(dev, "1");
+
return ret;
}
return system_bridge_if(bridge->ifname, dev, SIOCBRDELIF, NULL);
}
+int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags)
+{
+ struct ifinfomsg ifi = { .ifi_family = PF_BRIDGE, };
+ struct bridge_vlan_info vinfo = { .vid = vid, };
+ unsigned short flags = 0;
+ struct nlattr *afspec;
+ struct nl_msg *nlm;
+ int ret = 0;
+
+ ifi.ifi_index = if_nametoindex(iface);
+ if (!ifi.ifi_index)
+ return -1;
+
+ nlm = nlmsg_alloc_simple(add ? RTM_SETLINK : RTM_DELLINK, NLM_F_REQUEST);
+ if (!nlm)
+ return -1;
+
+ nlmsg_append(nlm, &ifi, sizeof(ifi), 0);
+
+ if (vflags & BRVLAN_F_SELF)
+ flags |= BRIDGE_FLAGS_SELF;
+
+ if (vflags & BRVLAN_F_PVID)
+ vinfo.flags |= BRIDGE_VLAN_INFO_PVID;
+
+ if (vflags & BRVLAN_F_UNTAGGED)
+ vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED;
+
+ afspec = nla_nest_start(nlm, IFLA_AF_SPEC);
+ if (!afspec) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ if (flags)
+ nla_put_u16(nlm, IFLA_BRIDGE_FLAGS, flags);
+
+ nla_put(nlm, IFLA_BRIDGE_VLAN_INFO, sizeof(vinfo), &vinfo);
+ nla_nest_end(nlm, afspec);
+
+ return system_rtnl_call(nlm);
+
+failure:
+ nlmsg_free(nlm);
+ return ret;
+}
+
int system_if_resolve(struct device *dev)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
if (!ioctl(sock_ioctl, SIOCGIFINDEX, &ifr))
return ifr.ifr_ifindex;
else
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr);
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
+ if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) < 0)
+ return -1;
+
ifr.ifr_flags |= add;
ifr.ifr_flags &= ~rem;
return ioctl(sock_ioctl, SIOCSIFFLAGS, &ifr);
struct clear_data *clr = arg;
struct nlmsghdr *hdr = nlmsg_hdr(msg);
bool (*cb)(struct nlmsghdr *, int ifindex);
- int type;
+ int type, ret;
switch(clr->type) {
case RTM_GETADDR:
D(SYSTEM, "Remove %s from device %s\n",
type == RTM_DELADDR ? "an address" : "a route",
clr->dev->ifname);
+
memcpy(nlmsg_hdr(clr->msg), hdr, hdr->nlmsg_len);
hdr = nlmsg_hdr(clr->msg);
hdr->nlmsg_type = type;
hdr->nlmsg_flags = NLM_F_REQUEST;
nl_socket_disable_auto_ack(sock_rtnl);
- nl_send_auto_complete(sock_rtnl, clr->msg);
+ ret = nl_send_auto_complete(sock_rtnl, clr->msg);
+ if (ret < 0) {
+ if (type == RTM_DELRULE)
+ D(SYSTEM, "Error deleting a rule: %d\n", ret);
+ else
+ D(SYSTEM, "Error deleting %s from device '%s': %d\n",
+ type == RTM_DELADDR ? "an address" : "a route",
+ clr->dev->ifname, ret);
+ }
+
nl_socket_enable_auto_ack(sock_rtnl);
return NL_SKIP;
system_if_clear_entries(struct device *dev, int type, int af)
{
struct clear_data clr;
- struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT);
+ struct nl_cb *cb;
struct rtmsg rtm = {
.rtm_family = af,
.rtm_flags = RTM_F_CLONED,
return;
}
+ cb = nl_cb_alloc(NL_CB_DEFAULT);
if (!cb)
return;
nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, cb_finish_event, &pending);
nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &pending);
- nl_send_auto_complete(sock_rtnl, clr.msg);
+ if (nl_send_auto_complete(sock_rtnl, clr.msg) < 0)
+ goto free;
+
while (pending > 0)
nl_recvmsgs(sock_rtnl, cb);
+free:
nlmsg_free(clr.msg);
out:
nl_cb_put(cb);
{
static char buf[256];
char *bridge;
-
device_set_ifindex(dev, system_if_resolve(dev));
+
if (dev->external || !dev->ifindex)
return;
system_if_clear_entries(dev, RTM_GETADDR, AF_INET);
system_if_clear_entries(dev, RTM_GETROUTE, AF_INET6);
system_if_clear_entries(dev, RTM_GETADDR, AF_INET6);
+ system_if_clear_entries(dev, RTM_GETNEIGH, AF_INET);
+ system_if_clear_entries(dev, RTM_GETNEIGH, AF_INET6);
system_set_disable_ipv6(dev, "0");
}
int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg)
{
char buf[64];
- unsigned long args[4] = {};
if (ioctl(sock_ioctl, SIOCBRADDBR, bridge->ifname) < 0)
return -1;
- args[0] = BRCTL_SET_BRIDGE_STP_STATE;
- args[1] = !!cfg->stp;
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ system_bridge_set_stp_state(bridge, cfg->stp ? "1" : "0");
- args[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY;
- args[1] = sec_to_jiffies(cfg->forward_delay);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ snprintf(buf, sizeof(buf), "%lu", sec_to_jiffies(cfg->forward_delay));
+ system_bridge_set_forward_delay(bridge, buf);
system_bridge_conf_multicast(bridge, cfg, buf, sizeof(buf));
+ system_bridge_set_vlan_filtering(bridge, cfg->vlan_filtering ? "1" : "0");
- args[0] = BRCTL_SET_BRIDGE_PRIORITY;
- args[1] = cfg->priority;
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ snprintf(buf, sizeof(buf), "%d", cfg->priority);
+ system_bridge_set_priority(bridge, buf);
if (cfg->flags & BRIDGE_OPT_AGEING_TIME) {
- args[0] = BRCTL_SET_AGEING_TIME;
- args[1] = sec_to_jiffies(cfg->ageing_time);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ snprintf(buf, sizeof(buf), "%lu", sec_to_jiffies(cfg->ageing_time));
+ system_bridge_set_ageing_time(bridge, buf);
}
if (cfg->flags & BRIDGE_OPT_HELLO_TIME) {
- args[0] = BRCTL_SET_BRIDGE_HELLO_TIME;
- args[1] = sec_to_jiffies(cfg->hello_time);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ snprintf(buf, sizeof(buf), "%lu", sec_to_jiffies(cfg->hello_time));
+ system_bridge_set_hello_time(bridge, buf);
}
if (cfg->flags & BRIDGE_OPT_MAX_AGE) {
- args[0] = BRCTL_SET_BRIDGE_MAX_AGE;
- args[1] = sec_to_jiffies(cfg->max_age);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ snprintf(buf, sizeof(buf), "%lu", sec_to_jiffies(cfg->max_age));
+ system_bridge_set_max_age(bridge, buf);
}
return 0;
return -ENOMEM;
}
+int system_link_netns_move(struct device *dev, int netns_fd, const char *target_ifname)
+{
+ struct nl_msg *msg;
+ struct ifinfomsg iim = {
+ .ifi_family = AF_UNSPEC,
+ };
+
+ if (!dev)
+ return -1;
+
+ iim.ifi_index = system_if_resolve(dev);
+ msg = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST);
+
+ if (!msg)
+ return -1;
+
+ nlmsg_append(msg, &iim, sizeof(iim), 0);
+ if (target_ifname)
+ nla_put_string(msg, IFLA_IFNAME, target_ifname);
+
+ nla_put_u32(msg, IFLA_NET_NS_FD, netns_fd);
+ return system_rtnl_call(msg);
+}
+
static int system_link_del(const char *ifname)
{
struct nl_msg *msg;
return system_link_del(macvlan->ifname);
}
+int system_netns_open(const pid_t target_ns)
+{
+ char pid_net_path[PATH_MAX];
+
+ snprintf(pid_net_path, sizeof(pid_net_path), "/proc/%u/ns/net", target_ns);
+
+ return open(pid_net_path, O_RDONLY);
+}
+
+int system_netns_set(int netns_fd)
+{
+ return setns(netns_fd, CLONE_NEWNET);
+}
+
int system_veth_add(struct device *veth, struct veth_config *cfg)
{
struct nl_msg *msg;
.u.name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD,
};
- ioctl(sock_ioctl, SIOCSIFVLAN, &ifr);
+ if (ioctl(sock_ioctl, SIOCSIFVLAN, &ifr) < 0)
+ return -1;
if (id < 0) {
ifr.cmd = DEL_VLAN_CMD;
int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg)
{
struct nl_msg *msg;
- struct nlattr *linkinfo, *data;
+ struct nlattr *linkinfo, *data, *qos;
struct ifinfomsg iim = { .ifi_family = AF_UNSPEC };
+ struct vlan_qos_mapping *elem;
+ struct ifla_vlan_qos_mapping nl_qos_map;
int rv;
msg = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL);
netifd_log_message(L_WARNING, "%s Your kernel is older than linux 3.10.0, 802.1ad is not supported defaulting to 802.1q", vlandev->type->name);
#endif
+ if (!(qos = nla_nest_start(msg, IFLA_VLAN_INGRESS_QOS)))
+ goto nla_put_failure;
+
+ vlist_simple_for_each_element(&cfg->ingress_qos_mapping_list, elem, node) {
+ nl_qos_map.from = elem->from;
+ nl_qos_map.to = elem->to;
+ nla_put(msg, IFLA_VLAN_QOS_MAPPING, sizeof(nl_qos_map), &nl_qos_map);
+ }
+ nla_nest_end(msg, qos);
+
+ if (!(qos = nla_nest_start(msg, IFLA_VLAN_EGRESS_QOS)))
+ goto nla_put_failure;
+
+ vlist_simple_for_each_element(&cfg->egress_qos_mapping_list, elem, node) {
+ nl_qos_map.from = elem->from;
+ nl_qos_map.to = elem->to;
+ nla_put(msg, IFLA_VLAN_QOS_MAPPING, sizeof(nl_qos_map), &nl_qos_map);
+ }
+ nla_nest_end(msg, qos);
+
nla_nest_end(msg, data);
nla_nest_end(msg, linkinfo);
char buf[10];
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
if (ioctl(sock_ioctl, SIOCGIFMTU, &ifr) == 0) {
s->mtu = ifr.ifr_mtu;
s->flags |= DEV_OPT_IPV6;
}
+ if (!system_get_ip6segmentrouting(dev, buf, sizeof(buf))) {
+ s->ip6segmentrouting = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_IP6SEGMENTROUTING;
+ }
+
if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) == 0) {
s->promisc = ifr.ifr_flags & IFF_PROMISC;
s->flags |= DEV_OPT_PROMISC;
}
if (!system_get_neigh4locktime(dev, buf, sizeof(buf))) {
- s->neigh4locktime = strtoul(buf, NULL, 0);
+ s->neigh4locktime = strtol(buf, NULL, 0);
s->flags |= DEV_OPT_NEIGHLOCKTIME;
}
s->sendredirects = strtoul(buf, NULL, 0);
s->flags |= DEV_OPT_SENDREDIRECTS;
}
-}
-
-static void
-system_if_set_rps_xps_val(const char *path, int val)
-{
- char val_buf[8];
- glob_t gl;
- int i;
- if (glob(path, 0, NULL, &gl))
- return;
-
- snprintf(val_buf, sizeof(val_buf), "%x", val);
- for (i = 0; i < gl.gl_pathc; i++)
- system_set_sysctl(gl.gl_pathv[i], val_buf);
-
- globfree(&gl);
-}
+ if (!system_get_drop_v4_unicast_in_l2_multicast(dev, buf, sizeof(buf))) {
+ s->drop_v4_unicast_in_l2_multicast = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST;
+ }
-static void
-system_if_apply_rps_xps(struct device *dev, struct device_settings *s)
-{
- long n_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- int val;
+ if (!system_get_drop_v6_unicast_in_l2_multicast(dev, buf, sizeof(buf))) {
+ s->drop_v6_unicast_in_l2_multicast = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST;
+ }
- if (n_cpus < 2)
- return;
+ if (!system_get_drop_gratuitous_arp(dev, buf, sizeof(buf))) {
+ s->drop_gratuitous_arp = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_GRATUITOUS_ARP;
+ }
- val = (1 << n_cpus) - 1;
- snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/rps_cpus", dev->ifname);
- system_if_set_rps_xps_val(dev_buf, s->rps ? val : 0);
+ if (!system_get_drop_unsolicited_na(dev, buf, sizeof(buf))) {
+ s->drop_unsolicited_na = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_UNSOLICITED_NA;
+ }
- snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/xps_cpus", dev->ifname);
- system_if_set_rps_xps_val(dev_buf, s->xps ? val : 0);
+ if (!system_get_arp_accept(dev, buf, sizeof(buf))) {
+ s->arp_accept = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_ARP_ACCEPT;
+ }
}
void
struct ifreq ifr;
char buf[12];
+ apply_mask &= s->flags;
+
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
- if (s->flags & DEV_OPT_MTU & apply_mask) {
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+ if (apply_mask & DEV_OPT_MTU) {
ifr.ifr_mtu = s->mtu;
if (ioctl(sock_ioctl, SIOCSIFMTU, &ifr) < 0)
s->flags &= ~DEV_OPT_MTU;
}
- if (s->flags & DEV_OPT_MTU6 & apply_mask) {
+ if (apply_mask & DEV_OPT_MTU6) {
system_update_ipv6_mtu(dev, s->mtu6);
}
- if (s->flags & DEV_OPT_TXQUEUELEN & apply_mask) {
+ if (apply_mask & DEV_OPT_TXQUEUELEN) {
ifr.ifr_qlen = s->txqueuelen;
if (ioctl(sock_ioctl, SIOCSIFTXQLEN, &ifr) < 0)
s->flags &= ~DEV_OPT_TXQUEUELEN;
}
- if ((s->flags & DEV_OPT_MACADDR & apply_mask) && !dev->external) {
+ if ((apply_mask & (DEV_OPT_MACADDR | DEV_OPT_DEFAULT_MACADDR)) && !dev->external) {
ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
memcpy(&ifr.ifr_hwaddr.sa_data, s->macaddr, sizeof(s->macaddr));
if (ioctl(sock_ioctl, SIOCSIFHWADDR, &ifr) < 0)
s->flags &= ~DEV_OPT_MACADDR;
}
- if (s->flags & DEV_OPT_IPV6 & apply_mask)
+ if (apply_mask & DEV_OPT_IPV6)
system_set_disable_ipv6(dev, s->ipv6 ? "0" : "1");
- if (s->flags & DEV_OPT_PROMISC & apply_mask) {
+ if (s->flags & DEV_OPT_IP6SEGMENTROUTING & apply_mask) {
+ struct device dummy = {
+ .ifname = "all",
+ };
+ bool ip6segmentrouting = device_check_ip6segmentrouting();
+
+ system_set_ip6segmentrouting(dev, s->ip6segmentrouting ? "1" : "0");
+ system_set_ip6segmentrouting(&dummy, ip6segmentrouting ? "1" : "0");
+ }
+ if (apply_mask & DEV_OPT_PROMISC) {
if (system_if_flags(dev->ifname, s->promisc ? IFF_PROMISC : 0,
!s->promisc ? IFF_PROMISC : 0) < 0)
s->flags &= ~DEV_OPT_PROMISC;
}
- if (s->flags & DEV_OPT_RPFILTER & apply_mask) {
+ if (apply_mask & DEV_OPT_RPFILTER) {
snprintf(buf, sizeof(buf), "%u", s->rpfilter);
system_set_rpfilter(dev, buf);
}
- if (s->flags & DEV_OPT_ACCEPTLOCAL & apply_mask)
+ if (apply_mask & DEV_OPT_ACCEPTLOCAL)
system_set_acceptlocal(dev, s->acceptlocal ? "1" : "0");
- if (s->flags & DEV_OPT_IGMPVERSION & apply_mask) {
+ if (apply_mask & DEV_OPT_IGMPVERSION) {
snprintf(buf, sizeof(buf), "%u", s->igmpversion);
system_set_igmpversion(dev, buf);
}
- if (s->flags & DEV_OPT_MLDVERSION & apply_mask) {
+ if (apply_mask & DEV_OPT_MLDVERSION) {
snprintf(buf, sizeof(buf), "%u", s->mldversion);
system_set_mldversion(dev, buf);
}
- if (s->flags & DEV_OPT_NEIGHREACHABLETIME & apply_mask) {
+ if (apply_mask & DEV_OPT_NEIGHREACHABLETIME) {
snprintf(buf, sizeof(buf), "%u", s->neigh4reachabletime);
system_set_neigh4reachabletime(dev, buf);
snprintf(buf, sizeof(buf), "%u", s->neigh6reachabletime);
system_set_neigh6reachabletime(dev, buf);
}
- if (s->flags & DEV_OPT_NEIGHLOCKTIME & apply_mask) {
- snprintf(buf, sizeof(buf), "%u", s->neigh4locktime);
+ if (apply_mask & DEV_OPT_NEIGHLOCKTIME) {
+ snprintf(buf, sizeof(buf), "%d", s->neigh4locktime);
system_set_neigh4locktime(dev, buf);
}
- if (s->flags & DEV_OPT_NEIGHGCSTALETIME & apply_mask) {
+ if (apply_mask & DEV_OPT_NEIGHGCSTALETIME) {
snprintf(buf, sizeof(buf), "%u", s->neigh4gcstaletime);
system_set_neigh4gcstaletime(dev, buf);
snprintf(buf, sizeof(buf), "%u", s->neigh6gcstaletime);
system_set_neigh6gcstaletime(dev, buf);
}
- if (s->flags & DEV_OPT_DADTRANSMITS & apply_mask) {
+ if (apply_mask & DEV_OPT_DADTRANSMITS) {
snprintf(buf, sizeof(buf), "%u", s->dadtransmits);
system_set_dadtransmits(dev, buf);
}
- if (s->flags & DEV_OPT_MULTICAST & apply_mask) {
+ if (apply_mask & DEV_OPT_MULTICAST) {
if (system_if_flags(dev->ifname, s->multicast ? IFF_MULTICAST : 0,
!s->multicast ? IFF_MULTICAST : 0) < 0)
s->flags &= ~DEV_OPT_MULTICAST;
}
- if (s->flags & DEV_OPT_SENDREDIRECTS & apply_mask)
+ if (apply_mask & DEV_OPT_SENDREDIRECTS)
system_set_sendredirects(dev, s->sendredirects ? "1" : "0");
-
- system_if_apply_rps_xps(dev, s);
+ if (apply_mask & DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST)
+ system_set_drop_v4_unicast_in_l2_multicast(dev, s->drop_v4_unicast_in_l2_multicast ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST)
+ system_set_drop_v6_unicast_in_l2_multicast(dev, s->drop_v6_unicast_in_l2_multicast ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_GRATUITOUS_ARP)
+ system_set_drop_gratuitous_arp(dev, s->drop_gratuitous_arp ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_UNSOLICITED_NA)
+ system_set_drop_unsolicited_na(dev, s->drop_unsolicited_na ? "1" : "0");
+ if (apply_mask & DEV_OPT_ARP_ACCEPT)
+ system_set_arp_accept(dev, s->arp_accept ? "1" : "0");
}
int system_if_up(struct device *dev)
{
- system_if_get_settings(dev, &dev->orig_settings);
- /* Only keep orig settings based on what needs to be set */
- dev->orig_settings.valid_flags = dev->orig_settings.flags;
- dev->orig_settings.flags &= dev->settings.flags;
- system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
return system_if_flags(dev->ifname, IFF_UP, 0);
}
int system_if_down(struct device *dev)
{
- int ret = system_if_flags(dev->ifname, 0, IFF_UP);
- system_if_apply_settings(dev, &dev->orig_settings, dev->orig_settings.flags);
- return ret;
+ return system_if_flags(dev->ifname, 0, IFF_UP);
}
struct if_check_data {
if (nh->nlmsg_type != RTM_NEWLINK)
return NL_SKIP;
- device_set_present(chk->dev, ifi->ifi_index > 0 ? true : false);
+ if (chk->dev->type == &simple_device_type)
+ device_set_present(chk->dev, ifi->ifi_index > 0 ? true : false);
device_set_link(chk->dev, ifi->ifi_flags & IFF_LOWER_UP ? true : false);
return NL_OK;
{
struct if_check_data *chk = (struct if_check_data *)arg;
- device_set_present(chk->dev, false);
+ if (chk->dev->type == &simple_device_type)
+ device_set_present(chk->dev, false);
device_set_link(chk->dev, false);
chk->pending = err->error;
};
int ret = 1;
+ if (!cb)
+ return ret;
+
msg = nlmsg_alloc_simple(RTM_GETLINK, 0);
if (!msg)
goto out;
nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, cb_if_check_ack, &chk);
nl_cb_err(cb, NL_CB_CUSTOM, cb_if_check_error, &chk);
- nl_send_auto_complete(sock_rtnl, msg);
+ ret = nl_send_auto_complete(sock_rtnl, msg);
+ if (ret < 0)
+ goto free;
+
while (chk.pending > 0)
nl_recvmsgs(sock_rtnl, cb);
uint32_t mask;
const char *name;
} ethtool_link_modes[] = {
- { ADVERTISED_10baseT_Half, "10H" },
- { ADVERTISED_10baseT_Full, "10F" },
- { ADVERTISED_100baseT_Half, "100H" },
- { ADVERTISED_100baseT_Full, "100F" },
- { ADVERTISED_1000baseT_Half, "1000H" },
- { ADVERTISED_1000baseT_Full, "1000F" },
+ { ADVERTISED_10baseT_Half, "10baseT-H" },
+ { ADVERTISED_10baseT_Full, "10baseT-F" },
+ { ADVERTISED_100baseT_Half, "100baseT-H" },
+ { ADVERTISED_100baseT_Full, "100baseT-F" },
+ { ADVERTISED_1000baseT_Half, "1000baseT-H" },
+ { ADVERTISED_1000baseT_Full, "1000baseT-F" },
+ { ADVERTISED_1000baseKX_Full, "1000baseKX-F" },
+ { ADVERTISED_2500baseX_Full, "2500baseX-F" },
+ { ADVERTISED_10000baseT_Full, "10000baseT-F" },
+ { ADVERTISED_10000baseKX4_Full, "10000baseKX4-F" },
+ { ADVERTISED_10000baseKR_Full, "10000baseKR-F" },
+ { ADVERTISED_20000baseMLD2_Full, "20000baseMLD2-F" },
+ { ADVERTISED_20000baseKR2_Full, "20000baseKR2-F" },
+ { ADVERTISED_40000baseKR4_Full, "40000baseKR4-F" },
+ { ADVERTISED_40000baseCR4_Full, "40000baseCR4-F" },
+ { ADVERTISED_40000baseSR4_Full, "40000baseSR4-F" },
+ { ADVERTISED_40000baseLR4_Full, "40000baseLR4-F" },
+#ifdef ADVERTISED_56000baseKR4_Full
+ { ADVERTISED_56000baseKR4_Full, "56000baseKR4-F" },
+ { ADVERTISED_56000baseCR4_Full, "56000baseCR4-F" },
+ { ADVERTISED_56000baseSR4_Full, "56000baseSR4-F" },
+ { ADVERTISED_56000baseLR4_Full, "56000baseLR4-F" },
+#endif
};
static void system_add_link_modes(struct blob_buf *b, __u32 mask)
{
struct ethtool_cmd ecmd;
struct ifreq ifr;
- char buf[64], *s;
+ char *s;
void *c;
- int dir_fd;
-
- snprintf(buf, sizeof(buf), "/sys/class/net/%s", dev->ifname);
- dir_fd = open(buf, O_DIRECTORY);
memset(&ecmd, 0, sizeof(ecmd));
memset(&ifr, 0, sizeof(ifr));
- strcpy(ifr.ifr_name, dev->ifname);
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
ifr.ifr_data = (caddr_t) &ecmd;
ecmd.cmd = ETHTOOL_GSET;
system_add_link_modes(b, ecmd.advertising);
blobmsg_close_array(b, c);
+ c = blobmsg_open_array(b, "link-partner-advertising");
+ system_add_link_modes(b, ecmd.lp_advertising);
+ blobmsg_close_array(b, c);
+
c = blobmsg_open_array(b, "link-supported");
system_add_link_modes(b, ecmd.supported);
blobmsg_close_array(b, c);
snprintf(s, 8, "%d%c", ethtool_cmd_speed(&ecmd),
ecmd.duplex == DUPLEX_HALF ? 'H' : 'F');
blobmsg_add_string_buffer(b);
+
+ blobmsg_add_u8(b, "autoneg", !!ecmd.autoneg);
}
- close(dir_fd);
return 0;
}
return system_addr(dev, addr, RTM_DELADDR);
}
-static int system_rt(struct device *dev, struct device_route *route, int cmd)
+static int system_neigh(struct device *dev, struct device_neighbor *neighbor, int cmd)
{
- int alen = ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4) ? 4 : 16;
- bool have_gw;
+ int alen = ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4) ? 4 : 16;
+ unsigned int flags = 0;
+ struct ndmsg ndm = {
+ .ndm_family = (alen == 4) ? AF_INET : AF_INET6,
+ .ndm_ifindex = dev->ifindex,
+ .ndm_state = NUD_PERMANENT,
+ .ndm_flags = (neighbor->proxy ? NTF_PROXY : 0) | (neighbor->router ? NTF_ROUTER : 0),
+ };
+ struct nl_msg *msg;
+
+ if (cmd == RTM_NEWNEIGH)
+ flags |= NLM_F_CREATE | NLM_F_REPLACE;
+
+ msg = nlmsg_alloc_simple(cmd, flags);
+
+ if (!msg)
+ return -1;
+
+ nlmsg_append(msg, &ndm, sizeof(ndm), 0);
+
+ nla_put(msg, NDA_DST, alen, &neighbor->addr);
+ if (neighbor->flags & DEVNEIGH_MAC)
+ nla_put(msg, NDA_LLADDR, sizeof(neighbor->macaddr), &neighbor->macaddr);
+
+
+ return system_rtnl_call(msg);
+}
+
+int system_add_neighbor(struct device *dev, struct device_neighbor *neighbor)
+{
+ return system_neigh(dev, neighbor, RTM_NEWNEIGH);
+}
+
+int system_del_neighbor(struct device *dev, struct device_neighbor *neighbor)
+{
+ return system_neigh(dev, neighbor, RTM_DELNEIGH);
+}
+
+static int system_rt(struct device *dev, struct device_route *route, int cmd)
+{
+ int alen = ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4) ? 4 : 16;
+ bool have_gw;
unsigned int flags = 0;
if (alen == 4)
if (cmd == RTM_NEWROUTE) {
flags |= NLM_F_CREATE | NLM_F_REPLACE;
- if (!dev) { // Add null-route
+ if (!dev) { /* Add null-route */
rtm.rtm_scope = RT_SCOPE_UNIVERSE;
rtm.rtm_type = RTN_UNREACHABLE;
}
struct timespec ts;
struct timeval tv;
- if (syscall(__NR_clock_gettime, CLOCK_MONOTONIC, &ts) == 0)
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
return ts.tv_sec;
if (gettimeofday(&tv, NULL) == 0)
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name) - 1);
ifr.ifr_ifru.ifru_data = p;
return ioctl(sock_ioctl, cmd, &ifr);
}
+#ifdef IFLA_IPTUN_MAX
+static int system_add_ip6_tunnel(const char *name, const unsigned int link,
+ struct blob_attr **tb)
+{
+ struct nl_msg *nlm = nlmsg_alloc_simple(RTM_NEWLINK,
+ NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE);
+ struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC };
+ struct blob_attr *cur;
+ int ret = 0, ttl = 0;
+
+ if (!nlm)
+ return -1;
+
+ nlmsg_append(nlm, &ifi, sizeof(ifi), 0);
+ nla_put_string(nlm, IFLA_IFNAME, name);
+
+ if (link)
+ nla_put_u32(nlm, IFLA_LINK, link);
+
+ struct nlattr *linkinfo = nla_nest_start(nlm, IFLA_LINKINFO);
+ if (!linkinfo) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ nla_put_string(nlm, IFLA_INFO_KIND, "ip6tnl");
+ struct nlattr *infodata = nla_nest_start(nlm, IFLA_INFO_DATA);
+ if (!infodata) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ if (link)
+ nla_put_u32(nlm, IFLA_IPTUN_LINK, link);
+
+ if ((cur = tb[TUNNEL_ATTR_TTL]))
+ ttl = blobmsg_get_u32(cur);
+
+ nla_put_u8(nlm, IFLA_IPTUN_PROTO, IPPROTO_IPIP);
+ nla_put_u8(nlm, IFLA_IPTUN_TTL, (ttl) ? ttl : 64);
+
+ struct in6_addr in6buf;
+ if ((cur = tb[TUNNEL_ATTR_LOCAL])) {
+ if (inet_pton(AF_INET6, blobmsg_data(cur), &in6buf) < 1) {
+ ret = -EINVAL;
+ goto failure;
+ }
+ nla_put(nlm, IFLA_IPTUN_LOCAL, sizeof(in6buf), &in6buf);
+ }
+
+ if ((cur = tb[TUNNEL_ATTR_REMOTE])) {
+ if (inet_pton(AF_INET6, blobmsg_data(cur), &in6buf) < 1) {
+ ret = -EINVAL;
+ goto failure;
+ }
+ nla_put(nlm, IFLA_IPTUN_REMOTE, sizeof(in6buf), &in6buf);
+ }
+
+ if ((cur = tb[TUNNEL_ATTR_DATA])) {
+ struct blob_attr *tb_data[__IPIP6_DATA_ATTR_MAX];
+ uint32_t tun_flags = IP6_TNL_F_IGN_ENCAP_LIMIT;
+
+ blobmsg_parse(ipip6_data_attr_list.params, __IPIP6_DATA_ATTR_MAX, tb_data,
+ blobmsg_data(cur), blobmsg_len(cur));
+
+ if ((cur = tb_data[IPIP6_DATA_ENCAPLIMIT])) {
+ char *str = blobmsg_get_string(cur);
+
+ if (strcmp(str, "ignore")) {
+ char *e;
+ unsigned encap_limit = strtoul(str, &e, 0);
+
+ if (e == str || *e || encap_limit > 255) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ nla_put_u8(nlm, IFLA_IPTUN_ENCAP_LIMIT, encap_limit);
+ tun_flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
+ }
+ }
+
+#ifdef IFLA_IPTUN_FMR_MAX
+ if ((cur = tb_data[IPIP6_DATA_FMRS])) {
+ struct blob_attr *rcur;
+ unsigned rrem, fmrcnt = 0;
+ struct nlattr *fmrs = nla_nest_start(nlm, IFLA_IPTUN_FMRS);
+
+ if (!fmrs) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ blobmsg_for_each_attr(rcur, cur, rrem) {
+ struct blob_attr *tb_fmr[__FMR_DATA_ATTR_MAX], *tb_cur;
+ struct in6_addr ip6prefix;
+ struct in_addr ip4prefix;
+ unsigned ip4len, ip6len, ealen, offset;
+
+ blobmsg_parse(fmr_data_attr_list.params, __FMR_DATA_ATTR_MAX, tb_fmr,
+ blobmsg_data(rcur), blobmsg_len(rcur));
+
+ if (!(tb_cur = tb_fmr[FMR_DATA_PREFIX6]) ||
+ !parse_ip_and_netmask(AF_INET6,
+ blobmsg_data(tb_cur), &ip6prefix,
+ &ip6len)) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ if (!(tb_cur = tb_fmr[FMR_DATA_PREFIX4]) ||
+ !parse_ip_and_netmask(AF_INET,
+ blobmsg_data(tb_cur), &ip4prefix,
+ &ip4len)) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ if (!(tb_cur = tb_fmr[FMR_DATA_EALEN])) {
+ ret = -EINVAL;
+ goto failure;
+ }
+ ealen = blobmsg_get_u32(tb_cur);
+
+ if (!(tb_cur = tb_fmr[FMR_DATA_OFFSET])) {
+ ret = -EINVAL;
+ goto failure;
+ }
+ offset = blobmsg_get_u32(tb_cur);
+
+ struct nlattr *rule = nla_nest_start(nlm, ++fmrcnt);
+ if (!rule) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ nla_put(nlm, IFLA_IPTUN_FMR_IP6_PREFIX, sizeof(ip6prefix), &ip6prefix);
+ nla_put(nlm, IFLA_IPTUN_FMR_IP4_PREFIX, sizeof(ip4prefix), &ip4prefix);
+ nla_put_u8(nlm, IFLA_IPTUN_FMR_IP6_PREFIX_LEN, ip6len);
+ nla_put_u8(nlm, IFLA_IPTUN_FMR_IP4_PREFIX_LEN, ip4len);
+ nla_put_u8(nlm, IFLA_IPTUN_FMR_EA_LEN, ealen);
+ nla_put_u8(nlm, IFLA_IPTUN_FMR_OFFSET, offset);
+
+ nla_nest_end(nlm, rule);
+ }
+
+ nla_nest_end(nlm, fmrs);
+ }
+#endif
+ if (tun_flags)
+ nla_put_u32(nlm, IFLA_IPTUN_FLAGS, tun_flags);
+ }
+
+ nla_nest_end(nlm, infodata);
+ nla_nest_end(nlm, linkinfo);
+
+ return system_rtnl_call(nlm);
+
+failure:
+ nlmsg_free(nlm);
+ return ret;
+}
+#endif
+
#ifdef IFLA_IPTUN_MAX
#define IP6_FLOWINFO_TCLASS htonl(0x0FF00000)
static int system_add_gre_tunnel(const char *name, const char *kind,
struct nl_msg *nlm;
struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC, };
struct blob_attr *cur;
- uint32_t ikey = 0, okey = 0, flags = 0, flowinfo = 0;
+ uint32_t ikey = 0, okey = 0, flowinfo = 0, flags6 = IP6_TNL_F_IGN_ENCAP_LIMIT;
uint16_t iflags = 0, oflags = 0;
uint8_t tos = 0;
int ret = 0, ttl = 0;
+ unsigned encap_limit = 0;
nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE);
if (!nlm)
tos = uval;
} else {
if (v6)
- flags |= IP6_TNL_F_USE_ORIG_TCLASS;
+ flags6 |= IP6_TNL_F_USE_ORIG_TCLASS;
else
tos = 1;
}
iflags |= GRE_SEQ;
}
- if ((cur = tb[GRE_DATA_OSEQNO])) {
+ if ((cur = tb_data[GRE_DATA_OSEQNO])) {
if (blobmsg_get_bool(cur))
oflags |= GRE_SEQ;
}
+
+ if ((cur = tb_data[GRE_DATA_ENCAPLIMIT])) {
+ char *str = blobmsg_get_string(cur);
+
+ if (strcmp(str, "ignore")) {
+ char *e;
+
+ encap_limit = strtoul(str, &e, 0);
+
+ if (e == str || *e || encap_limit > 255) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ flags6 &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
+ }
+ }
}
if (v6) {
}
nla_put(nlm, IFLA_GRE_REMOTE, sizeof(in6buf), &in6buf);
}
- nla_put_u8(nlm, IFLA_GRE_ENCAP_LIMIT, 4);
+
+ if (!(flags6 & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ nla_put_u8(nlm, IFLA_GRE_ENCAP_LIMIT, encap_limit);
if (flowinfo)
nla_put_u32(nlm, IFLA_GRE_FLOWINFO, flowinfo);
- if (flags)
- nla_put_u32(nlm, IFLA_GRE_FLAGS, flags);
+ if (flags6)
+ nla_put_u32(nlm, IFLA_GRE_FLAGS, flags6);
if (!ttl)
ttl = 64;
}
#endif
+#ifdef IFLA_XFRM_MAX
+static int system_add_xfrm_tunnel(const char *name, const char *kind,
+ const unsigned int link, struct blob_attr **tb)
+{
+ struct nl_msg *nlm;
+ struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC, };
+ struct blob_attr *cur;
+ int ret = 0;
+
+ nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE);
+ if (!nlm)
+ return -1;
+
+ nlmsg_append(nlm, &ifi, sizeof(ifi), 0);
+ nla_put_string(nlm, IFLA_IFNAME, name);
+
+ struct nlattr *linkinfo = nla_nest_start(nlm, IFLA_LINKINFO);
+ if (!linkinfo) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ nla_put_string(nlm, IFLA_INFO_KIND, kind);
+ struct nlattr *infodata = nla_nest_start(nlm, IFLA_INFO_DATA);
+ if (!infodata) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ if (link)
+ nla_put_u32(nlm, IFLA_XFRM_LINK, link);
+
+ if ((cur = tb[TUNNEL_ATTR_DATA])) {
+ struct blob_attr *tb_data[__XFRM_DATA_ATTR_MAX];
+ uint32_t if_id = 0;
+
+ blobmsg_parse(xfrm_data_attr_list.params, __XFRM_DATA_ATTR_MAX, tb_data,
+ blobmsg_data(cur), blobmsg_len(cur));
+
+ if ((cur = tb_data[XFRM_DATA_IF_ID])) {
+ if ((if_id = blobmsg_get_u32(cur)))
+ nla_put_u32(nlm, IFLA_XFRM_IF_ID, if_id);
+ }
+
+ }
+
+ nla_nest_end(nlm, infodata);
+ nla_nest_end(nlm, linkinfo);
+
+ return system_rtnl_call(nlm);
+
+failure:
+ nlmsg_free(nlm);
+ return ret;
+}
+#endif
+
#ifdef IFLA_VXLAN_MAX
+static void system_vxlan_map_bool_attr(struct nl_msg *msg, struct blob_attr **tb_data, int attrtype, int vxlandatatype, bool invert) {
+ struct blob_attr *cur;
+ if ((cur = tb_data[vxlandatatype])) {
+ bool val = blobmsg_get_bool(cur);
+ if (invert)
+ val = !val;
+
+ if ((attrtype == IFLA_VXLAN_GBP) && val)
+ nla_put_flag(msg, attrtype);
+ else
+ nla_put_u8(msg, attrtype, val);
+
+ }
+}
+
static int system_add_vxlan(const char *name, const unsigned int link, struct blob_attr **tb, bool v6)
{
struct blob_attr *tb_data[__VXLAN_DATA_ATTR_MAX];
}
nla_put_u16(msg, IFLA_VXLAN_PORT, htons(port));
+ if ((cur = tb_data[VXLAN_DATA_ATTR_SRCPORTMIN])) {
+ struct ifla_vxlan_port_range srcports = {0,0};
+
+ uint32_t low = blobmsg_get_u32(cur);
+ if (low < 1 || low > 65535 - 1) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ srcports.low = htons((uint16_t) low);
+ srcports.high = htons((uint16_t) (low+1));
+
+ if ((cur = tb_data[VXLAN_DATA_ATTR_SRCPORTMAX])) {
+ uint32_t high = blobmsg_get_u32(cur);
+ if (high < 1 || high > 65535) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ if (high > low)
+ srcports.high = htons((uint16_t) high);
+ }
+
+ nla_put(msg, IFLA_VXLAN_PORT_RANGE, sizeof(srcports), &srcports);
+ }
+
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_UDP_CSUM, VXLAN_DATA_ATTR_TXCSUM, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, VXLAN_DATA_ATTR_RXCSUM, true);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, VXLAN_DATA_ATTR_TXCSUM, true);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_LEARNING, VXLAN_DATA_ATTR_LEARNING, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_RSC , VXLAN_DATA_ATTR_RSC, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_PROXY , VXLAN_DATA_ATTR_PROXY, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_L2MISS , VXLAN_DATA_ATTR_L2MISS, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_L3MISS , VXLAN_DATA_ATTR_L3MISS, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_GBP , VXLAN_DATA_ATTR_GBP, false);
+
+ if ((cur = tb_data[VXLAN_DATA_ATTR_AGEING])) {
+ uint32_t ageing = blobmsg_get_u32(cur);
+ nla_put_u32(msg, IFLA_VXLAN_AGEING, ageing);
+ }
+
+ if ((cur = tb_data[VXLAN_DATA_ATTR_LIMIT])) {
+ uint32_t maxaddress = blobmsg_get_u32(cur);
+ nla_put_u32(msg, IFLA_VXLAN_LIMIT, maxaddress);
+ }
+
if ((cur = tb[TUNNEL_ATTR_TOS])) {
char *str = blobmsg_get_string(cur);
unsigned tos = 1;
if (strcmp(str, "inherit")) {
- if (!system_tos_aton(str, &tos))
- return -EINVAL;
+ if (!system_tos_aton(str, &tos)) {
+ ret = -EINVAL;
+ goto failure;
+ }
}
nla_put_u8(msg, IFLA_VXLAN_TOS, tos);
if (p.iph.ttl && p.iph.frag_off == 0)
return -EINVAL;
- strncpy(p.name, name, sizeof(p.name));
+ strncpy(p.name, name, sizeof(p.name) - 1);
switch (p.iph.protocol) {
case IPPROTO_IPIP:
if (!strcmp(str, "greip") || !strcmp(str, "gretapip") ||
!strcmp(str, "greip6") || !strcmp(str, "gretapip6") ||
!strcmp(str, "vtiip") || !strcmp(str, "vtiip6") ||
- !strcmp(str, "vxlan") || !strcmp(str, "vxlan6"))
+ !strcmp(str, "vxlan") || !strcmp(str, "vxlan6") ||
+ !strcmp(str, "xfrm"))
return system_link_del(name);
else
return tunnel_ioctl(name, SIOCDELTUNNEL, NULL);
return system_add_sit_tunnel(name, link, tb);
#ifdef IFLA_IPTUN_MAX
else if (!strcmp(str, "ipip6")) {
- struct nl_msg *nlm = nlmsg_alloc_simple(RTM_NEWLINK,
- NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE);
- struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC };
- int ret = 0;
-
- if (!nlm)
- return -1;
-
- nlmsg_append(nlm, &ifi, sizeof(ifi), 0);
- nla_put_string(nlm, IFLA_IFNAME, name);
-
- if (link)
- nla_put_u32(nlm, IFLA_LINK, link);
-
- struct nlattr *linkinfo = nla_nest_start(nlm, IFLA_LINKINFO);
- if (!linkinfo) {
- ret = -ENOMEM;
- goto failure;
- }
- nla_put_string(nlm, IFLA_INFO_KIND, "ip6tnl");
- struct nlattr *infodata = nla_nest_start(nlm, IFLA_INFO_DATA);
- if (!infodata) {
- ret = -ENOMEM;
- goto failure;
- }
-
- if (link)
- nla_put_u32(nlm, IFLA_IPTUN_LINK, link);
-
- nla_put_u8(nlm, IFLA_IPTUN_PROTO, IPPROTO_IPIP);
- nla_put_u8(nlm, IFLA_IPTUN_TTL, (ttl) ? ttl : 64);
- nla_put_u8(nlm, IFLA_IPTUN_ENCAP_LIMIT, 4);
-
- struct in6_addr in6buf;
- if ((cur = tb[TUNNEL_ATTR_LOCAL])) {
- if (inet_pton(AF_INET6, blobmsg_data(cur), &in6buf) < 1) {
- ret = -EINVAL;
- goto failure;
- }
- nla_put(nlm, IFLA_IPTUN_LOCAL, sizeof(in6buf), &in6buf);
- }
-
- if ((cur = tb[TUNNEL_ATTR_REMOTE])) {
- if (inet_pton(AF_INET6, blobmsg_data(cur), &in6buf) < 1) {
- ret = -EINVAL;
- goto failure;
- }
- nla_put(nlm, IFLA_IPTUN_REMOTE, sizeof(in6buf), &in6buf);
- }
-
-#ifdef IFLA_IPTUN_FMR_MAX
- if ((cur = tb[TUNNEL_ATTR_FMRS])) {
- struct nlattr *fmrs = nla_nest_start(nlm, IFLA_IPTUN_FMRS);
-
- struct blob_attr *fmr;
- unsigned rem, fmrcnt = 0;
- blobmsg_for_each_attr(fmr, cur, rem) {
- if (blobmsg_type(fmr) != BLOBMSG_TYPE_STRING)
- continue;
-
- unsigned ip4len, ip6len, ealen, offset = 6;
- char ip6buf[48];
- char ip4buf[16];
-
- if (sscanf(blobmsg_get_string(fmr), "%47[^/]/%u,%15[^/]/%u,%u,%u",
- ip6buf, &ip6len, ip4buf, &ip4len, &ealen, &offset) < 5) {
- ret = -EINVAL;
- goto failure;
- }
-
- struct in6_addr ip6prefix;
- struct in_addr ip4prefix;
- if (inet_pton(AF_INET6, ip6buf, &ip6prefix) != 1 ||
- inet_pton(AF_INET, ip4buf, &ip4prefix) != 1) {
- ret = -EINVAL;
- goto failure;
- }
-
- struct nlattr *rule = nla_nest_start(nlm, ++fmrcnt);
-
- nla_put(nlm, IFLA_IPTUN_FMR_IP6_PREFIX, sizeof(ip6prefix), &ip6prefix);
- nla_put(nlm, IFLA_IPTUN_FMR_IP4_PREFIX, sizeof(ip4prefix), &ip4prefix);
- nla_put_u8(nlm, IFLA_IPTUN_FMR_IP6_PREFIX_LEN, ip6len);
- nla_put_u8(nlm, IFLA_IPTUN_FMR_IP4_PREFIX_LEN, ip4len);
- nla_put_u8(nlm, IFLA_IPTUN_FMR_EA_LEN, ealen);
- nla_put_u8(nlm, IFLA_IPTUN_FMR_OFFSET, offset);
-
- nla_nest_end(nlm, rule);
- }
-
- nla_nest_end(nlm, fmrs);
- }
-#endif
-
- nla_nest_end(nlm, infodata);
- nla_nest_end(nlm, linkinfo);
-
- return system_rtnl_call(nlm);
-failure:
- nlmsg_free(nlm);
- return ret;
+ return system_add_ip6_tunnel(name, link, tb);
} else if (!strcmp(str, "greip")) {
return system_add_gre_tunnel(name, "gre", link, tb, false);
} else if (!strcmp(str, "gretapip")) {
} else if (!strcmp(str, "vtiip6")) {
return system_add_vti_tunnel(name, "vti6", link, tb, true);
#endif
+#ifdef IFLA_XFRM_MAX
+ } else if (!strcmp(str, "xfrm")) {
+ return system_add_xfrm_tunnel(name, "xfrm", link, tb);
+#endif
#ifdef IFLA_VXLAN_MAX
} else if(!strcmp(str, "vxlan")) {
return system_add_vxlan(name, link, tb, false);
projects / project / netifd.git / blobdiff