src/network/networkd-network-bus.c

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