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