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 vlan_filtering=%d\n",
  36           bridge->ifname, cfg->vlan_filtering);
  37         return 0;
  38 }
  39
  40 int system_bridge_delbr(struct device *bridge)
  41 {
  42         D(SYSTEM, "brctl delbr %s\n", bridge->ifname);
  43         return 0;
  44 }
  45
  46 int system_bridge_addif(struct device *bridge, struct device *dev)
  47 {
  48         D(SYSTEM, "brctl addif %s %s\n", bridge->ifname, dev->ifname);
  49         return 0;
  50 }
  51
  52 int system_bridge_delif(struct device *bridge, struct device *dev)
  53 {
  54         D(SYSTEM, "brctl delif %s %s\n", bridge->ifname, dev->ifname);
  55         return 0;
  56 }
  57
  58 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags)
  59 {
  60         D(SYSTEM, "brctl vlan %s %s %s vid=%d pvid=%d untag=%d\n",
  61           add ? "add" : "remove",
  62           (vflags & BRVLAN_F_SELF) ? "self" : "master",
  63           iface, vid,
  64           !!(vflags & BRVLAN_F_PVID),
  65           !!(vflags & BRVLAN_F_UNTAGGED));
  66         return 0;
  67 }
  68
  69 int system_bridge_vlan_check(struct device *dev, char *ifname)
  70 {
  71         return 0;
  72 }
  73
  74 int system_link_netns_move(struct device *dev, int netns_fd, const char *target_ifname)
  75 {
  76         D(SYSTEM, "ip link set %s name %s netns %d\n", dev->ifname, target_ifname, netns_fd);
  77         return 0;
  78 }
  79
  80 int system_netns_open(const pid_t target_ns)
  81 {
  82         D(SYSTEM, "open netns of pid %d\n", target_ns);
  83         return 1;
  84 }
  85
  86 int system_netns_set(int netns_fd)
  87 {
  88         D(SYSTEM, "set netns %d\n", netns_fd);
  89         return 0;
  90 }
  91
  92 int system_vlan_add(struct device *dev, int id)
  93 {
  94         D(SYSTEM, "vconfig add %s %d\n", dev->ifname, id);
  95         return 0;
  96 }
  97
  98 int system_vlan_del(struct device *dev)
  99 {
 100         D(SYSTEM, "vconfig rem %s\n", dev->ifname);
 101         return 0;
 102 }
 103
 104 bool system_if_force_external(const char *ifname)
 105 {
 106         return false;
 107 }
 108
 109 int system_if_up(struct device *dev)
 110 {
 111         D(SYSTEM, "ifconfig %s up\n", dev->ifname);
 112         return 0;
 113 }
 114
 115 int system_if_down(struct device *dev)
 116 {
 117         D(SYSTEM, "ifconfig %s down\n", dev->ifname);
 118         return 0;
 119 }
 120
 121 void system_if_get_settings(struct device *dev, struct device_settings *s)
 122 {
 123 }
 124
 125 void system_if_clear_state(struct device *dev)
 126 {
 127         device_set_ifindex(dev, system_if_resolve(dev));
 128 }
 129
 130 int system_if_check(struct device *dev)
 131 {
 132         if (dev->type == &simple_device_type)
 133                 device_set_present(dev, true);
 134
 135         device_set_link(dev, true);
 136
 137         return 0;
 138 }
 139
 140 int system_if_resolve(struct device *dev)
 141 {
 142         return 1;
 143 }
 144
 145 struct device *
 146 system_if_get_parent(struct device *dev)
 147 {
 148         return NULL;
 149 }
 150
 151 int
 152 system_if_dump_info(struct device *dev, struct blob_buf *b)
 153 {
 154         blobmsg_add_u8(b, "link", dev->present);
 155         return 0;
 156 }
 157
 158 int
 159 system_if_dump_stats(struct device *dev, struct blob_buf *b)
 160 {
 161         return 0;
 162 }
 163
 164 void
 165 system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned int apply_mask)
 166 {
 167         apply_mask &= s->flags;
 168
 169         if ((apply_mask & (DEV_OPT_MACADDR | DEV_OPT_DEFAULT_MACADDR)) && !dev->external) {
 170                 D(SYSTEM, "ifconfig %s hw ether %s\n",
 171                   dev->ifname, format_macaddr(s->macaddr));
 172         }
 173 }
 174
 175 static int system_address_msg(struct device *dev, struct device_addr *addr, const char *type)
 176 {
 177         char ipaddr[64];
 178         int af = system_get_addr_family(addr->flags);
 179
 180         D(SYSTEM, "ifconfig %s %s %s/%u\n",
 181                 dev->ifname, type, inet_ntop(af, &addr->addr.in, ipaddr, sizeof(ipaddr)),
 182                 addr->mask);
 183
 184         return 0;
 185 }
 186
 187 int system_add_address(struct device *dev, struct device_addr *addr)
 188 {
 189         return system_address_msg(dev, addr, "add");
 190 }
 191
 192 int system_del_address(struct device *dev, struct device_addr *addr)
 193 {
 194         return system_address_msg(dev, addr, "del");
 195 }
 196
 197 static int system_route_msg(struct device *dev, struct device_route *route, const char *type)
 198 {
 199         char addr[64], gw[64] = " gw ", devstr[64] = "";
 200         int af = system_get_addr_family(route->flags);
 201         int alen = system_get_addr_len(route->flags);
 202         static uint32_t zero_addr[4];
 203
 204         if ((route->flags & DEVADDR_FAMILY) != DEVADDR_INET4)
 205                 return -1;
 206
 207         if (!route->mask)
 208                 sprintf(addr, "default");
 209         else
 210                 inet_ntop(af, &route->addr.in, addr, sizeof(addr));
 211
 212         if (memcmp(&route->nexthop.in, (void *) zero_addr, alen) != 0)
 213                 inet_ntop(af, &route->nexthop.in, gw + 4, sizeof(gw) - 4);
 214         else
 215                 gw[0] = 0;
 216
 217         if (dev)
 218                 sprintf(devstr, " dev %s", dev->ifname);
 219
 220         if (route->metric > 0)
 221                 sprintf(devstr, " metric %d", route->metric);
 222
 223         D(SYSTEM, "route %s %s%s%s\n", type, addr, gw, devstr);
 224         return 0;
 225 }
 226
 227 static int system_neighbor_msg(struct device *dev, struct device_neighbor *neighbor, const char *type)
 228 {
 229         char addr[64];
 230         int af = system_get_addr_family(neighbor->flags);
 231         inet_ntop(af, &neighbor->addr.in , addr, sizeof(addr));
 232
 233         D(SYSTEM, "neigh %s %s%s%s %s\n", type, addr, neighbor->proxy ? "proxy " : "",
 234                 (neighbor->flags & DEVNEIGH_MAC) ? format_macaddr(neighbor->macaddr) : "",
 235                 neighbor->router ? "router": "");
 236         return 0;
 237 }
 238
 239 int system_add_neighbor(struct device *dev, struct device_neighbor *neighbor)
 240 {
 241         return system_neighbor_msg(dev, neighbor, "add");
 242 }
 243
 244 int system_del_neighbor(struct device *dev, struct device_neighbor *neighbor)
 245 {
 246         return system_neighbor_msg(dev, neighbor, "del");
 247 }
 248
 249 int system_add_route(struct device *dev, struct device_route *route)
 250 {
 251         return system_route_msg(dev, route, "add");
 252 }
 253
 254 int system_del_route(struct device *dev, struct device_route *route)
 255 {
 256         return system_route_msg(dev, route, "del");
 257 }
 258
 259 int system_flush_routes(void)
 260 {
 261         return 0;
 262 }
 263
 264 bool system_resolve_rt_type(const char *type, unsigned int *id)
 265 {
 266         *id = 0;
 267         return true;
 268 }
 269
 270 bool system_resolve_rt_proto(const char *type, unsigned int *id)
 271 {
 272         *id = 0;
 273         return true;
 274 }
 275
 276 bool system_resolve_rt_table(const char *name, unsigned int *id)
 277 {
 278         *id = 0;
 279         return true;
 280 }
 281
 282 bool system_is_default_rt_table(unsigned int id)
 283 {
 284         return true;
 285 }
 286
 287 bool system_resolve_rpfilter(const char *filter, unsigned int *id)
 288 {
 289         *id = 0;
 290         return true;
 291 }
 292
 293 int system_add_iprule(struct iprule *rule)
 294 {
 295         return 0;
 296 }
 297
 298 int system_del_iprule(struct iprule *rule)
 299 {
 300         return 0;
 301 }
 302
 303 int system_flush_iprules(void)
 304 {
 305         return 0;
 306 }
 307
 308 bool system_resolve_iprule_action(const char *action, unsigned int *id)
 309 {
 310         *id = 0;
 311         return true;
 312 }
 313
 314 time_t system_get_rtime(void)
 315 {
 316         struct timeval tv;
 317
 318         if (gettimeofday(&tv, NULL) == 0)
 319                 return tv.tv_sec;
 320
 321         return 0;
 322 }
 323
 324 int system_del_ip_tunnel(const char *name, struct blob_attr *attr)
 325 {
 326         return 0;
 327 }
 328
 329 int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
 330 {
 331         return 0;
 332 }
 333
 334 int system_update_ipv6_mtu(struct device *dev, int mtu)
 335 {
 336         return 0;
 337 }
 338
 339 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg)
 340 {
 341         return 0;
 342 }
 343
 344 int system_macvlan_del(struct device *macvlan)
 345 {
 346         return 0;
 347 }
 348
 349 int system_veth_add(struct device *veth, struct veth_config *cfg)
 350 {
 351         return 0;
 352 }
 353
 354 int system_veth_del(struct device *veth)
 355 {
 356         return 0;
 357 }
 358
 359 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg)
 360 {
 361         return 0;
 362 }
 363
 364 int system_vlandev_del(struct device *vlandev)
 365 {
 366         return 0;
 367 }