system-dummy.c

   1 /*
   2  * netifd - network interface daemon
   3  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #include <sys/time.h>
  15 #include <stdio.h>
  16 #include <string.h>
  17
  18 #include <arpa/inet.h>
  19
  20 #ifndef DEBUG
  21 #define DEBUG
  22 #endif
  23
  24 #include "netifd.h"
  25 #include "device.h"
  26 #include "system.h"
  27
  28 int system_init(void)
  29 {
  30         return 0;
  31 }
  32
  33 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg)
  34 {
  35         D(SYSTEM, "brctl addbr %s\n", bridge->ifname);
  36         return 0;
  37 }
  38
  39 int system_bridge_delbr(struct device *bridge)
  40 {
  41         D(SYSTEM, "brctl delbr %s\n", bridge->ifname);
  42         return 0;
  43 }
  44
  45 int system_bridge_addif(struct device *bridge, struct device *dev)
  46 {
  47         D(SYSTEM, "brctl addif %s %s\n", bridge->ifname, dev->ifname);
  48         return 0;
  49 }
  50
  51 int system_bridge_delif(struct device *bridge, struct device *dev)
  52 {
  53         D(SYSTEM, "brctl delif %s %s\n", bridge->ifname, dev->ifname);
  54         return 0;
  55 }
  56
  57 int system_link_netns_move(struct device *dev, int netns_fd, const char *target_ifname)
  58 {
  59         D(SYSTEM, "ip link set %s name %s netns %d\n", dev->ifname, target_ifname, netns_fd);
  60         return 0;
  61 }
  62
  63 int system_netns_open(const pid_t target_ns)
  64 {
  65         D(SYSTEM, "open netns of pid %d\n", target_ns);
  66         return 1;
  67 }
  68
  69 int system_netns_set(int netns_fd)
  70 {
  71         D(SYSTEM, "set netns %d\n", netns_fd);
  72         return 0;
  73 }
  74
  75 int system_vlan_add(struct device *dev, int id)
  76 {
  77         D(SYSTEM, "vconfig add %s %d\n", dev->ifname, id);
  78         return 0;
  79 }
  80
  81 int system_vlan_del(struct device *dev)
  82 {
  83         D(SYSTEM, "vconfig rem %s\n", dev->ifname);
  84         return 0;
  85 }
  86
  87 bool system_if_force_external(const char *ifname)
  88 {
  89         return false;
  90 }
  91
  92 int system_if_up(struct device *dev)
  93 {
  94         D(SYSTEM, "ifconfig %s up\n", dev->ifname);
  95         return 0;
  96 }
  97
  98 int system_if_down(struct device *dev)
  99 {
 100         D(SYSTEM, "ifconfig %s down\n", dev->ifname);
 101         return 0;
 102 }
 103
 104 void system_if_get_settings(struct device *dev, struct device_settings *s)
 105 {
 106 }
 107
 108 void system_if_clear_state(struct device *dev)
 109 {
 110 }
 111
 112 int system_if_check(struct device *dev)
 113 {
 114         dev->ifindex = 0;
 115         device_set_present(dev, true);
 116         device_set_link(dev, true);
 117
 118         return 0;
 119 }
 120
 121 int system_if_resolve(struct device *dev)
 122 {
 123         return 0;
 124 }
 125
 126 struct device *
 127 system_if_get_parent(struct device *dev)
 128 {
 129         return NULL;
 130 }
 131
 132 int
 133 system_if_dump_info(struct device *dev, struct blob_buf *b)
 134 {
 135         blobmsg_add_u8(b, "link", dev->present);
 136         return 0;
 137 }
 138
 139 int
 140 system_if_dump_stats(struct device *dev, struct blob_buf *b)
 141 {
 142         return 0;
 143 }
 144
 145 void
 146 system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned int apply_mask)
 147 {
 148 }
 149
 150 static int system_address_msg(struct device *dev, struct device_addr *addr, const char *type)
 151 {
 152         char ipaddr[64];
 153         int af = system_get_addr_family(addr->flags);
 154
 155         D(SYSTEM, "ifconfig %s %s %s/%u\n",
 156                 dev->ifname, type, inet_ntop(af, &addr->addr.in, ipaddr, sizeof(ipaddr)),
 157                 addr->mask);
 158
 159         return 0;
 160 }
 161
 162 int system_add_address(struct device *dev, struct device_addr *addr)
 163 {
 164         return system_address_msg(dev, addr, "add");
 165 }
 166
 167 int system_del_address(struct device *dev, struct device_addr *addr)
 168 {
 169         return system_address_msg(dev, addr, "del");
 170 }
 171
 172 static int system_route_msg(struct device *dev, struct device_route *route, const char *type)
 173 {
 174         char addr[64], gw[64] = " gw ", devstr[64] = "";
 175         int af = system_get_addr_family(route->flags);
 176         int alen = system_get_addr_len(route->flags);
 177         static uint32_t zero_addr[4];
 178
 179         if ((route->flags & DEVADDR_FAMILY) != DEVADDR_INET4)
 180                 return -1;
 181
 182         if (!route->mask)
 183                 sprintf(addr, "default");
 184         else
 185                 inet_ntop(af, &route->addr.in, addr, sizeof(addr));
 186
 187         if (memcmp(&route->nexthop.in, (void *) zero_addr, alen) != 0)
 188                 inet_ntop(af, &route->nexthop.in, gw + 4, sizeof(gw) - 4);
 189         else
 190                 gw[0] = 0;
 191
 192         if (dev)
 193                 sprintf(devstr, " dev %s", dev->ifname);
 194
 195         if (route->metric > 0)
 196                 sprintf(devstr, " metric %d", route->metric);
 197
 198         D(SYSTEM, "route %s %s%s%s\n", type, addr, gw, devstr);
 199         return 0;
 200 }
 201
 202 static int system_neighbor_msg(struct device *dev, struct device_neighbor *neighbor, const char *type)
 203 {
 204         char addr[64];
 205         int af = system_get_addr_family(neighbor->flags);
 206         inet_ntop(af, &neighbor->addr.in , addr, sizeof(addr));
 207
 208         D(SYSTEM, "neigh %s %s%s%s %s\n", type, addr, neighbor->proxy ? "proxy " : "",
 209                 (neighbor->flags & DEVNEIGH_MAC) ? format_macaddr(neighbor->macaddr) : "",
 210                 neighbor->router ? "router": "");
 211         return 0;
 212 }
 213
 214 int system_add_neighbor(struct device *dev, struct device_neighbor *neighbor)
 215 {
 216         return system_neighbor_msg(dev, neighbor, "add");
 217 }
 218
 219 int system_del_neighbor(struct device *dev, struct device_neighbor *neighbor)
 220 {
 221         return system_neighbor_msg(dev, neighbor, "del");
 222 }
 223
 224 int system_add_route(struct device *dev, struct device_route *route)
 225 {
 226         return system_route_msg(dev, route, "add");
 227 }
 228
 229 int system_del_route(struct device *dev, struct device_route *route)
 230 {
 231         return system_route_msg(dev, route, "del");
 232 }
 233
 234 int system_flush_routes(void)
 235 {
 236         return 0;
 237 }
 238
 239 bool system_resolve_rt_type(const char *type, unsigned int *id)
 240 {
 241         *id = 0;
 242         return true;
 243 }
 244
 245 bool system_resolve_rt_proto(const char *type, unsigned int *id)
 246 {
 247         *id = 0;
 248         return true;
 249 }
 250
 251 bool system_resolve_rt_table(const char *name, unsigned int *id)
 252 {
 253         *id = 0;
 254         return true;
 255 }
 256
 257 bool system_is_default_rt_table(unsigned int id)
 258 {
 259         return true;
 260 }
 261
 262 bool system_resolve_rpfilter(const char *filter, unsigned int *id)
 263 {
 264         *id = 0;
 265         return true;
 266 }
 267
 268 int system_add_iprule(struct iprule *rule)
 269 {
 270         return 0;
 271 }
 272
 273 int system_del_iprule(struct iprule *rule)
 274 {
 275         return 0;
 276 }
 277
 278 int system_flush_iprules(void)
 279 {
 280         return 0;
 281 }
 282
 283 bool system_resolve_iprule_action(const char *action, unsigned int *id)
 284 {
 285         *id = 0;
 286         return true;
 287 }
 288
 289 time_t system_get_rtime(void)
 290 {
 291         struct timeval tv;
 292
 293         if (gettimeofday(&tv, NULL) == 0)
 294                 return tv.tv_sec;
 295
 296         return 0;
 297 }
 298
 299 int system_del_ip_tunnel(const char *name, struct blob_attr *attr)
 300 {
 301         return 0;
 302 }
 303
 304 int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
 305 {
 306         return 0;
 307 }
 308
 309 int system_update_ipv6_mtu(struct device *dev, int mtu)
 310 {
 311         return 0;
 312 }
 313
 314 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg)
 315 {
 316         return 0;
 317 }
 318
 319 int system_macvlan_del(struct device *macvlan)
 320 {
 321         return 0;
 322 }
 323
 324 int system_veth_add(struct device *veth, struct veth_config *cfg)
 325 {
 326         return 0;
 327 }
 328
 329 int system_veth_del(struct device *veth)
 330 {
 331         return 0;
 332 }
 333
 334 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg)
 335 {
 336         return 0;
 337 }
 338
 339 int system_vlandev_del(struct device *vlandev)
 340 {
 341         return 0;
 342 }