src/network/networkd-network-bus.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright © 2015 Tom Gundersen
   4 ***/
   5
   6 #include "alloc-util.h"
   7 #include "ether-addr-util.h"
   8 #include "networkd-manager.h"
   9 #include "string-util.h"
  10 #include "strv.h"
  11
  12 static int property_get_ether_addrs(
  13                 sd_bus *bus,
  14                 const char *path,
  15                 const char *interface,
  16                 const char *property,
  17                 sd_bus_message *reply,
  18                 void *userdata,
  19                 sd_bus_error *error) {
  20
  21         char buf[ETHER_ADDR_TO_STRING_MAX];
  22         const struct ether_addr *p;
  23         Iterator i;
  24         Set *s;
  25         int r;
  26
  27         assert(bus);
  28         assert(reply);
  29         assert(userdata);
  30
  31         s = *(Set **) userdata;
  32
  33         r = sd_bus_message_open_container(reply, 'a', "s");
  34         if (r < 0)
  35                 return r;
  36
  37         SET_FOREACH(p, s, i) {
  38                 r = sd_bus_message_append(reply, "s", ether_addr_to_string(p, buf));
  39                 if (r < 0)
  40                         return r;
  41         }
  42
  43         return sd_bus_message_close_container(reply);
  44 }
  45
  46 const sd_bus_vtable network_vtable[] = {
  47         SD_BUS_VTABLE_START(0),
  48
  49         SD_BUS_PROPERTY("Description", "s", NULL, offsetof(Network, description), SD_BUS_VTABLE_PROPERTY_CONST),
  50         SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Network, filename), SD_BUS_VTABLE_PROPERTY_CONST),
  51         SD_BUS_PROPERTY("MatchMAC", "as", property_get_ether_addrs, offsetof(Network, match_mac), SD_BUS_VTABLE_PROPERTY_CONST),
  52         SD_BUS_PROPERTY("MatchPath", "as", NULL, offsetof(Network, match_path), SD_BUS_VTABLE_PROPERTY_CONST),
  53         SD_BUS_PROPERTY("MatchDriver", "as", NULL, offsetof(Network, match_driver), SD_BUS_VTABLE_PROPERTY_CONST),
  54         SD_BUS_PROPERTY("MatchType", "as", NULL, offsetof(Network, match_type), SD_BUS_VTABLE_PROPERTY_CONST),
  55         SD_BUS_PROPERTY("MatchName", "as", NULL, offsetof(Network, match_name), SD_BUS_VTABLE_PROPERTY_CONST),
  56
  57         SD_BUS_VTABLE_END
  58 };
  59
  60 static char *network_bus_path(Network *network) {
  61         _cleanup_free_ char *name = NULL;
  62         char *networkname, *d, *path;
  63         int r;
  64
  65         assert(network);
  66         assert(network->filename);
  67
  68         name = strdup(network->filename);
  69         if (!name)
  70                 return NULL;
  71
  72         networkname = basename(name);
  73
  74         d = strrchr(networkname, '.');
  75         if (!d)
  76                 return NULL;
  77
  78         assert(streq(d, ".network"));
  79
  80         *d = '\0';
  81
  82         r = sd_bus_path_encode("/org/freedesktop/network1/network", networkname, &path);
  83         if (r < 0)
  84                 return NULL;
  85
  86         return path;
  87 }
  88
  89 int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
  90         _cleanup_strv_free_ char **l = NULL;
  91         Manager *m = userdata;
  92         Network *network;
  93         int r;
  94
  95         assert(bus);
  96         assert(path);
  97         assert(m);
  98         assert(nodes);
  99
 100         LIST_FOREACH(networks, network, m->networks) {
 101                 char *p;
 102
 103                 p = network_bus_path(network);
 104                 if (!p)
 105                         return -ENOMEM;
 106
 107                 r = strv_consume(&l, p);
 108                 if (r < 0)
 109                         return r;
 110         }
 111
 112         *nodes = TAKE_PTR(l);
 113
 114         return 1;
 115 }
 116
 117 int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
 118         Manager *m = userdata;
 119         Network *network;
 120         _cleanup_free_ char *name = NULL;
 121         int r;
 122
 123         assert(bus);
 124         assert(path);
 125         assert(interface);
 126         assert(m);
 127         assert(found);
 128
 129         r = sd_bus_path_decode(path, "/org/freedesktop/network1/network", &name);
 130         if (r < 0)
 131                 return 0;
 132
 133         r = network_get_by_name(m, name, &network);
 134         if (r < 0)
 135                 return 0;
 136
 137         *found = network;
 138
 139         return 1;
 140 }