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 void system_bridge_set_stp_state(struct device *dev, bool val)
  70 {
  71 }
  72
  73 int system_bridge_vlan_check(struct device *dev, char *ifname)
  74 {
  75         return 0;
  76 }
  77
  78 int system_link_netns_move(struct device *dev, int netns_fd, const char *target_ifname)
  79 {
  80         D(SYSTEM, "ip link set %s name %s netns %d\n", dev->ifname, target_ifname, netns_fd);
  81         return 0;
  82 }
  83
  84 int system_netns_open(const pid_t target_ns)
  85 {
  86         D(SYSTEM, "open netns of pid %d\n", target_ns);
  87         return 1;
  88 }
  89
  90 int system_netns_set(int netns_fd)
  91 {
  92         D(SYSTEM, "set netns %d\n", netns_fd);
  93         return 0;
  94 }
  95
  96 int system_vlan_add(struct device *dev, int id)
  97 {
  98         D(SYSTEM, "vconfig add %s %d\n", dev->ifname, id);
  99         return 0;
 100 }
 101
 102 int system_vlan_del(struct device *dev)
 103 {
 104         D(SYSTEM, "vconfig rem %s\n", dev->ifname);
 105         return 0;
 106 }
 107
 108 bool system_if_force_external(const char *ifname)
 109 {
 110         return false;
 111 }
 112
 113 int system_if_up(struct device *dev)
 114 {
 115         D(SYSTEM, "ifconfig %s up\n", dev->ifname);
 116         return 0;
 117 }
 118
 119 int system_if_down(struct device *dev)
 120 {
 121         D(SYSTEM, "ifconfig %s down\n", dev->ifname);
 122         return 0;
 123 }
 124
 125 void system_if_get_settings(struct device *dev, struct device_settings *s)
 126 {
 127 }
 128
 129 void system_if_clear_state(struct device *dev)
 130 {
 131         device_set_ifindex(dev, system_if_resolve(dev));
 132 }
 133
 134 int system_if_check(struct device *dev)
 135 {
 136         if (dev->type == &simple_device_type)
 137                 device_set_present(dev, true);
 138
 139         device_set_link(dev, true);
 140
 141         return 0;
 142 }
 143
 144 int system_if_resolve(struct device *dev)
 145 {
 146         return 1;
 147 }
 148
 149 struct device *
 150 system_if_get_parent(struct device *dev)
 151 {
 152         return NULL;
 153 }
 154
 155 int
 156 system_if_dump_info(struct device *dev, struct blob_buf *b)
 157 {
 158         blobmsg_add_u8(b, "link", dev->present);
 159         return 0;
 160 }
 161
 162 int
 163 system_if_dump_stats(struct device *dev, struct blob_buf *b)
 164 {
 165         return 0;
 166 }
 167
 168 void
 169 system_if_apply_settings(struct device *dev, struct device_settings *s, uint64_t apply_mask)
 170 {
 171         apply_mask &= s->flags;
 172
 173         if ((apply_mask & (DEV_OPT_MACADDR | DEV_OPT_DEFAULT_MACADDR)) && !dev->external) {
 174                 D(SYSTEM, "ifconfig %s hw ether %s\n",
 175                   dev->ifname, format_macaddr(s->macaddr));
 176         }
 177 }
 178
 179 static int system_address_msg(struct device *dev, struct device_addr *addr, const char *type)
 180 {
 181         char ipaddr[64];
 182         int af = system_get_addr_family(addr->flags);
 183
 184         D(SYSTEM, "ifconfig %s %s %s/%u\n",
 185                 dev->ifname, type, inet_ntop(af, &addr->addr.in, ipaddr, sizeof(ipaddr)),
 186                 addr->mask);
 187
 188         return 0;
 189 }
 190
 191 int system_add_address(struct device *dev, struct device_addr *addr)
 192 {
 193         return system_address_msg(dev, addr, "add");
 194 }
 195
 196 int system_del_address(struct device *dev, struct device_addr *addr)
 197 {
 198         return system_address_msg(dev, addr, "del");
 199 }
 200
 201 static int system_route_msg(struct device *dev, struct device_route *route, const char *type)
 202 {
 203         char addr[64], gw[64] = " gw ", devstr[64] = "";
 204         int af = system_get_addr_family(route->flags);
 205         int alen = system_get_addr_len(route->flags);
 206         static uint32_t zero_addr[4];
 207
 208         if ((route->flags & DEVADDR_FAMILY) != DEVADDR_INET4)
 209                 return -1;
 210
 211         if (!route->mask)
 212                 sprintf(addr, "default");
 213         else
 214                 inet_ntop(af, &route->addr.in, addr, sizeof(addr));
 215
 216         if (memcmp(&route->nexthop.in, (void *) zero_addr, alen) != 0)
 217                 inet_ntop(af, &route->nexthop.in, gw + 4, sizeof(gw) - 4);
 218         else
 219                 gw[0] = 0;
 220
 221         if (dev)
 222                 sprintf(devstr, " dev %s", dev->ifname);
 223
 224         if (route->metric > 0)
 225                 sprintf(devstr, " metric %d", route->metric);
 226
 227         D(SYSTEM, "route %s %s%s%s\n", type, addr, gw, devstr);
 228         return 0;
 229 }
 230
 231 static int system_neighbor_msg(struct device *dev, struct device_neighbor *neighbor, const char *type)
 232 {
 233         char addr[64];
 234         int af = system_get_addr_family(neighbor->flags);
 235         inet_ntop(af, &neighbor->addr.in , addr, sizeof(addr));
 236
 237         D(SYSTEM, "neigh %s %s%s%s %s\n", type, addr, neighbor->proxy ? "proxy " : "",
 238                 (neighbor->flags & DEVNEIGH_MAC) ? format_macaddr(neighbor->macaddr) : "",
 239                 neighbor->router ? "router": "");
 240         return 0;
 241 }
 242
 243 int system_add_neighbor(struct device *dev, struct device_neighbor *neighbor)
 244 {
 245         return system_neighbor_msg(dev, neighbor, "add");
 246 }
 247
 248 int system_del_neighbor(struct device *dev, struct device_neighbor *neighbor)
 249 {
 250         return system_neighbor_msg(dev, neighbor, "del");
 251 }
 252
 253 int system_add_route(struct device *dev, struct device_route *route)
 254 {
 255         return system_route_msg(dev, route, "add");
 256 }
 257
 258 int system_del_route(struct device *dev, struct device_route *route)
 259 {
 260         return system_route_msg(dev, route, "del");
 261 }
 262
 263 int system_flush_routes(void)
 264 {
 265         return 0;
 266 }
 267
 268 bool system_resolve_rt_type(const char *type, unsigned int *id)
 269 {
 270         *id = 0;
 271         return true;
 272 }
 273
 274 bool system_resolve_rt_proto(const char *type, unsigned int *id)
 275 {
 276         *id = 0;
 277         return true;
 278 }
 279
 280 bool system_resolve_rt_table(const char *name, unsigned int *id)
 281 {
 282         *id = 0;
 283         return true;
 284 }
 285
 286 bool system_is_default_rt_table(unsigned int id)
 287 {
 288         return true;
 289 }
 290
 291 bool system_resolve_rpfilter(const char *filter, unsigned int *id)
 292 {
 293         *id = 0;
 294         return true;
 295 }
 296
 297 int system_add_iprule(struct iprule *rule)
 298 {
 299         return 0;
 300 }
 301
 302 int system_del_iprule(struct iprule *rule)
 303 {
 304         return 0;
 305 }
 306
 307 int system_flush_iprules(void)
 308 {
 309         return 0;
 310 }
 311
 312 bool system_resolve_iprule_action(const char *action, unsigned int *id)
 313 {
 314         *id = 0;
 315         return true;
 316 }
 317
 318 time_t system_get_rtime(void)
 319 {
 320         struct timeval tv;
 321
 322         if (gettimeofday(&tv, NULL) == 0)
 323                 return tv.tv_sec;
 324
 325         return 0;
 326 }
 327
 328 int system_del_ip_tunnel(const char *name, struct blob_attr *attr)
 329 {
 330         return 0;
 331 }
 332
 333 int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
 334 {
 335         return 0;
 336 }
 337
 338 int system_update_ipv6_mtu(struct device *dev, int mtu)
 339 {
 340         return 0;
 341 }
 342
 343 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg)
 344 {
 345         return 0;
 346 }
 347
 348 int system_macvlan_del(struct device *macvlan)
 349 {
 350         return 0;
 351 }
 352
 353 int system_veth_add(struct device *veth, struct veth_config *cfg)
 354 {
 355         return 0;
 356 }
 357
 358 int system_veth_del(struct device *veth)
 359 {
 360         return 0;
 361 }
 362
 363 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg)
 364 {
 365         return 0;
 366 }
 367
 368 int system_vlandev_del(struct device *vlandev)
 369 {
 370         return 0;
 371 }