5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt#include <ctype.h>

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt#include <net/if.h>

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt#include "conf-files.h"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt#include "conf-parser.h"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt#include "util.h"

3ad0c5d8a4e2e2fa7ffcccd7f3457f577908494eTom Gundersen#include "hostname-util.h"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt#include "dns-domain.h"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt#include "network-internal.h"

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt#include "networkd.h"

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt#include "networkd-network.h"

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flyktstatic int network_load_one(Manager *manager, const char *filename) {

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt _cleanup_network_free_ Network *network = NULL;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt _cleanup_fclose_ FILE *file = NULL;

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen char *d;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt Route *route;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt Address *address;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt int r;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt assert(manager);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt assert(filename);

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt file = fopen(filename, "re");

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt if (!file) {

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt if (errno == ENOENT)

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt return 0;

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt else

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt return -errno;

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt }

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt if (null_or_empty_fd(fileno(file))) {

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt log_debug("Skipping empty file: %s", filename);

e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering return 0;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt }

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network = new0(Network, 1);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (!network)

200a0868fcdf7b95f3d8d1fda3aa2aef48d84fddTom Gundersen return log_oom();

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->manager = manager;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt LIST_HEAD_INIT(network->static_addresses);

36c32f6120a0c3fe19be5aeaa1926e179e8c29baTom Gundersen LIST_HEAD_INIT(network->static_routes);

6d8f6b0b2ae14aee0b02c7e3d1edaeaa2c118056Tom Gundersen LIST_HEAD_INIT(network->static_fdb_entries);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->stacked_netdevs = hashmap_new(&string_hash_ops);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (!network->stacked_netdevs)

f0213e3796b4dd66e546e2de4d677db319f9171bTom Gundersen return log_oom();

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->addresses_by_section = hashmap_new(NULL);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (!network->addresses_by_section)

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt return log_oom();

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

851c9f82736c89d423b244a292e153ec7124d309Patrik Flykt network->routes_by_section = hashmap_new(NULL);

851c9f82736c89d423b244a292e153ec7124d309Patrik Flykt if (!network->routes_by_section)

6d8f6b0b2ae14aee0b02c7e3d1edaeaa2c118056Tom Gundersen return log_oom();

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->fdb_entries_by_section = hashmap_new(NULL);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (!network->fdb_entries_by_section)

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt return log_oom();

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

4d7b83da7b78647f4ba3f1d6fa2dc8d7b9833d93Tom Gundersen network->filename = strdup(filename);

4d7b83da7b78647f4ba3f1d6fa2dc8d7b9833d93Tom Gundersen if (!network->filename)

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering return log_oom();

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

6666907869fb3bc7fe6a6025540db5b887c7a78bTom Gundersen network->name = strdup(basename(filename));

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (!network->name)

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering return log_oom();

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt d = strrchr(network->name, '.');

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (!d)

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt return -EINVAL;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt assert(streq(d, ".network"));

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt *d = '\0';

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp = ADDRESS_FAMILY_NO;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_ntp = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_dns = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_hostname = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_routes = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_sendhost = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_route_metric = DHCP_ROUTE_METRIC;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_server_emit_dns = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->dhcp_server_emit_ntp = true;

6d8f6b0b2ae14aee0b02c7e3d1edaeaa2c118056Tom Gundersen network->dhcp_server_emit_timezone = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->use_bpdu = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->allow_port_to_be_root = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->unicast_flood = true;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->llmnr = RESOLVE_SUPPORT_YES;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt network->link_local = ADDRESS_FAMILY_IPV6;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO;

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt network->ipv6_accept_ra = -1;

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt r = config_parse(NULL, filename, file,

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt "Match\0"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt "Link\0"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt "Network\0"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt "Address\0"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt "Route\0"

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt "DHCP\0"

10c9ce615d98e125bc520efa94aebaef250a4061David Herrmann "DHCPv4\0" /* compat */

10c9ce615d98e125bc520efa94aebaef250a4061David Herrmann "DHCPServer\0"

10c9ce615d98e125bc520efa94aebaef250a4061David Herrmann "Bridge\0"

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt "BridgeFDB\0",

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt config_item_perf_lookup, network_network_gperf_lookup,

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt false, false, true, network);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (r < 0)

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt return r;

10c9ce615d98e125bc520efa94aebaef250a4061David Herrmann

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt /* IPMasquerade=yes implies IPForward=yes */

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (network->ip_masquerade)

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt network->ip_forward |= ADDRESS_FAMILY_IPV4;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt LIST_PREPEND(networks, manager->networks, network);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops);

10c9ce615d98e125bc520efa94aebaef250a4061David Herrmann if (r < 0)

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt return r;

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt r = hashmap_put(manager->networks_by_name, network->name, network);

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt if (r < 0)

c62c4628d9dbc27effd36143c75abe528f561867Patrik Flykt return r;

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt LIST_FOREACH(routes, route, network->static_routes) {

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt if (!route->family) {

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt log_warning("Route section without Gateway field configured in %s. "

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt "Ignoring", filename);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt return 0;

e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering }

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt }

e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt LIST_FOREACH(addresses, address, network->static_addresses) {

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt if (!address->family) {

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt log_warning("Address section without Address field configured in %s. "

8012cd391932d58b44332df106d426a360faf0a6Tom Gundersen "Ignoring", filename);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt return 0;

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt }

a13c50e7a33e2b8e0481f725c6272142e6f71751Tom Gundersen }

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt network = NULL;

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt return 0;

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt}

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flyktint network_load(Manager *manager) {

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt Network *network;

a13c50e7a33e2b8e0481f725c6272142e6f71751Tom Gundersen _cleanup_strv_free_ char **files = NULL;

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt char **f;

e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering int r;

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt assert(manager);

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt

a13c50e7a33e2b8e0481f725c6272142e6f71751Tom Gundersen while ((network = manager->networks))

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt network_free(network);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering r = conf_files_list_strv(&files, ".network", NULL, network_dirs);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt if (r < 0)

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt return log_error_errno(r, "Failed to enumerate network files: %m");

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

a13c50e7a33e2b8e0481f725c6272142e6f71751Tom Gundersen STRV_FOREACH_BACKWARDS(f, files) {

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt r = network_load_one(manager, *f);

e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering if (r < 0)

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt return r;

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt }

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt return 0;

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt}

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flyktvoid network_free(Network *network) {

e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering NetDev *netdev;

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt Route *route;

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt Address *address;

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt FdbEntry *fdb_entry;

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt Iterator i;

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt

18d29550b5fbc4b0de334b8212d05decdd131f1bPatrik Flykt if (!network)

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt return;

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt free(network->filename);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt free(network->match_mac);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt strv_free(network->match_path);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt strv_free(network->match_driver);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt strv_free(network->match_type);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt strv_free(network->match_name);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt free(network->description);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt free(network->dhcp_vendor_class_identifier);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt free(network->hostname);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt free(network->mac);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt strv_free(network->ntp);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt strv_free(network->dns);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt strv_free(network->domains);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt strv_free(network->bind_carrier);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt netdev_unref(network->bridge);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt netdev_unref(network->bond);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) {

a13c50e7a33e2b8e0481f725c6272142e6f71751Tom Gundersen hashmap_remove(network->stacked_netdevs, netdev->ifname);

a13c50e7a33e2b8e0481f725c6272142e6f71751Tom Gundersen netdev_unref(netdev);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt }

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt hashmap_free(network->stacked_netdevs);

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt

85bd849f09aceb7f972a0697494ea22b2247a5d7Patrik Flykt while ((route = network->static_routes))

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt route_free(route);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt while ((address = network->static_addresses))

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt address_free(address);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt while ((fdb_entry = network->static_fdb_entries))

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt fdb_entry_free(fdb_entry);

e66040417b52be98d41ba1230f25dea65147e8eePatrik Flykt

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt hashmap_free(network->addresses_by_section);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt hashmap_free(network->routes_by_section);

5c79bd79839f1e50bd3c34a0670037f7965ca5a4Patrik Flykt hashmap_free(network->fdb_entries_by_section);

a13c50e7a33e2b8e0481f725c6272142e6f71751Tom Gundersen

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt if (network->manager) {

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt if (network->manager->networks)

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt LIST_REMOVE(networks, network->manager->networks, network);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt if (network->manager->networks_by_name)

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt hashmap_remove(network->manager->networks_by_name, network->name);

de1e9928f137f4d17f463956a7612d9676c393aaTom Gundersen }

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt free(network->name);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt condition_free_list(network->match_host);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt condition_free_list(network->match_virt);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt condition_free_list(network->match_kernel);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt condition_free_list(network->match_arch);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

4d7b83da7b78647f4ba3f1d6fa2dc8d7b9833d93Tom Gundersen free(network->dhcp_server_timezone);

4d7b83da7b78647f4ba3f1d6fa2dc8d7b9833d93Tom Gundersen free(network->dhcp_server_dns);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering free(network->dhcp_server_ntp);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt free(network);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt}

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flyktint network_get_by_name(Manager *manager, const char *name, Network **ret) {

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt Network *network;

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

4d7b83da7b78647f4ba3f1d6fa2dc8d7b9833d93Tom Gundersen assert(manager);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt assert(name);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt assert(ret);

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt network = hashmap_get(manager->networks_by_name, name);

4d7b83da7b78647f4ba3f1d6fa2dc8d7b9833d93Tom Gundersen if (!network)

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt return -ENOENT;

6d8f6b0b2ae14aee0b02c7e3d1edaeaa2c118056Tom Gundersen

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt *ret = network;

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt return 0;

be3a09b7ffe62b52658e77ae4d6638d1b0dae654Patrik Flykt}

int network_get(Manager *manager, struct udev_device *device,

const char *ifname, const struct ether_addr *address,

Network **ret) {

Network *network;

struct udev_device *parent;

const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL;

assert(manager);

assert(ret);

if (device) {

path = udev_device_get_property_value(device, "ID_PATH");

parent = udev_device_get_parent(device);

if (parent)

parent_driver = udev_device_get_driver(parent);

driver = udev_device_get_property_value(device, "ID_NET_DRIVER");

devtype = udev_device_get_devtype(device);

}

LIST_FOREACH(networks, network, manager->networks) {

if (net_match_config(network->match_mac, network->match_path,

network->match_driver, network->match_type,

network->match_name, network->match_host,

network->match_virt, network->match_kernel,

network->match_arch,

address, path, parent_driver, driver,

devtype, ifname)) {

if (network->match_name && device) {

const char *attr;

uint8_t name_assign_type = NET_NAME_UNKNOWN;

attr = udev_device_get_sysattr_value(device, "name_assign_type");

if (attr)

(void) safe_atou8(attr, &name_assign_type);

if (name_assign_type == NET_NAME_ENUM)

log_warning("%-*s: found matching network '%s', based on potentially unpredictable ifname",

IFNAMSIZ, ifname, network->filename);

else

log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename);

} else

log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename);

*ret = network;

return 0;

}

}

*ret = NULL;

return -ENOENT;

}

int network_apply(Manager *manager, Network *network, Link *link) {

int r;

link->network = network;

if (network->ipv4ll_route) {

Route *route;

r = route_new_static(network, 0, &route);

if (r < 0)

return r;

r = inet_pton(AF_INET, "169.254.0.0", &route->dst_addr.in);

if (r == 0)

return -EINVAL;

if (r < 0)

return -errno;

route->family = AF_INET;

route->dst_prefixlen = 16;

route->scope = RT_SCOPE_LINK;

route->metrics = IPV4LL_ROUTE_METRIC;

route->protocol = RTPROT_STATIC;

}

if (network->dns || network->ntp) {

r = link_save(link);

if (r < 0)

return r;

}

return 0;

}

int config_parse_netdev(const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

Network *network = userdata;

_cleanup_free_ char *kind_string = NULL;

char *p;

NetDev *netdev;

NetDevKind kind;

int r;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(data);

kind_string = strdup(lvalue);

if (!kind_string)

return log_oom();

/* the keys are CamelCase versions of the kind */

for (p = kind_string; *p; p++)

*p = tolower(*p);

kind = netdev_kind_from_string(kind_string);

if (kind == _NETDEV_KIND_INVALID) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL,

"Invalid NetDev kind: %s", lvalue);

return 0;

}

r = netdev_get(network->manager, rvalue, &netdev);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL,

"%s could not be found, ignoring assignment: %s", lvalue, rvalue);

return 0;

}

if (netdev->kind != kind) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL,

"NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue);

return 0;

}

switch (kind) {

case NETDEV_KIND_BRIDGE:

network->bridge = netdev;

break;

case NETDEV_KIND_BOND:

network->bond = netdev;

break;

case NETDEV_KIND_VLAN:

case NETDEV_KIND_MACVLAN:

case NETDEV_KIND_MACVTAP:

case NETDEV_KIND_IPVLAN:

case NETDEV_KIND_VXLAN:

r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL,

"Can not add VLAN '%s' to network: %m",

rvalue);

return 0;

}

break;

default:

assert_not_reached("Can not parse NetDev");

}

netdev_ref(netdev);

return 0;

}

int config_parse_domains(const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

Network *network = userdata;

char ***domains = data;

char **domain;

int r;

r = config_parse_strv(unit, filename, line, section, section_line,

lvalue, ltype, rvalue, domains, userdata);

if (r < 0)

return r;

strv_uniq(*domains);

network->wildcard_domain = !!strv_find(*domains, "*");

STRV_FOREACH(domain, *domains) {

if (is_localhost(*domain))

log_syntax(unit, LOG_ERR, filename, line, EINVAL, "'localhost' domain names may not be configured, ignoring assignment: %s", *domain);

else {

r = dns_name_is_valid(*domain);

if (r <= 0 && !streq(*domain, "*")) {

if (r < 0)

log_error_errno(r, "Failed to validate domain name: %s: %m", *domain);

if (r == 0)

log_warning("Domain name is not valid, ignoring assignment: %s", *domain);

} else

continue;

}

strv_remove(*domains, *domain);

/* We removed one entry, make sure we don't skip the next one */

domain--;

}

return 0;

}

int config_parse_tunnel(const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

Network *network = userdata;

NetDev *netdev;

int r;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(data);

r = netdev_get(network->manager, rvalue, &netdev);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue);

return 0;

}

if (netdev->kind != NETDEV_KIND_IPIP &&

netdev->kind != NETDEV_KIND_SIT &&

netdev->kind != NETDEV_KIND_GRE &&

netdev->kind != NETDEV_KIND_GRETAP &&

netdev->kind != NETDEV_KIND_IP6GRE &&

netdev->kind != NETDEV_KIND_IP6GRETAP &&

netdev->kind != NETDEV_KIND_VTI &&

netdev->kind != NETDEV_KIND_VTI6 &&

netdev->kind != NETDEV_KIND_IP6TNL

) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL,

"NetDev is not a tunnel, ignoring assignment: %s", rvalue);

return 0;

}

r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue);

return 0;

}

netdev_ref(netdev);

return 0;

}

int config_parse_ipv4ll(

const char* unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

AddressFamilyBoolean *link_local = data;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(data);

/* Note that this is mostly like

if (parse_boolean(rvalue))

*link_local |= ADDRESS_FAMILY_IPV4;

else

*link_local &= ~ADDRESS_FAMILY_IPV4;

return 0;

}

int config_parse_dhcp(

const char* unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

AddressFamilyBoolean *dhcp = data, s;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(data);

/* Note that this is mostly like

s = address_family_boolean_from_string(rvalue);

if (s < 0) {

/* Previously, we had a slightly different enum here,

if (streq(rvalue, "none"))

s = ADDRESS_FAMILY_NO;

else if (streq(rvalue, "v4"))

s = ADDRESS_FAMILY_IPV4;

else if (streq(rvalue, "v6"))

s = ADDRESS_FAMILY_IPV6;

else if (streq(rvalue, "both"))

s = ADDRESS_FAMILY_YES;

else {

log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse DHCP option, ignoring: %s", rvalue);

return 0;

}

}

*dhcp = s;

return 0;

}

static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = {

[DHCP_CLIENT_ID_MAC] = "mac",

[DHCP_CLIENT_ID_DUID] = "duid"

};

DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier);

DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type");

int config_parse_ipv6token(

const char* unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

union in_addr_union buffer;

struct in6_addr *token = data;

int r;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(token);

r = in_addr_from_string(AF_INET6, rvalue, &buffer);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue);

return 0;

}

r = in_addr_is_null(AF_INET6, &buffer);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue);

return 0;

}

if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue);

return 0;

}

*token = buffer.in6;

return 0;

}

static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = {

[IPV6_PRIVACY_EXTENSIONS_NO] = "no",

[IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public",

[IPV6_PRIVACY_EXTENSIONS_YES] = "yes",

};

DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions);

int config_parse_ipv6_privacy_extensions(

const char* unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

IPv6PrivacyExtensions *ipv6_privacy_extensions = data;

int k;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(ipv6_privacy_extensions);

/* Our enum shall be a superset of booleans, hence first try

k = parse_boolean(rvalue);

if (k > 0)

*ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES;

else if (k == 0)

*ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO;

else {

IPv6PrivacyExtensions s;

s = ipv6_privacy_extensions_from_string(rvalue);

if (s < 0) {

if (streq(rvalue, "kernel"))

s = _IPV6_PRIVACY_EXTENSIONS_INVALID;

else {

log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue);

return 0;

}

}

*ipv6_privacy_extensions = s;

}

return 0;

}

int config_parse_hostname(

const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

char **hostname = data, *hn = NULL;

int r;

assert(filename);

assert(lvalue);

assert(rvalue);

r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata);

if (r < 0)

return r;

if (!hostname_is_valid(hn, false)) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Hostname is not valid, ignoring assignment: %s", rvalue);

free(hn);

return 0;

}

free(*hostname);

*hostname = hostname_cleanup(hn);

return 0;

}

int config_parse_timezone(

const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

char **datap = data, *tz = NULL;

int r;

assert(filename);

assert(lvalue);

assert(rvalue);

r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata);

if (r < 0)

return r;

if (!timezone_is_valid(tz)) {

log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Timezone is not valid, ignoring assignment: %s", rvalue);

free(tz);

return 0;

}

free(*datap);

*datap = tz;

return 0;

}

int config_parse_dhcp_server_dns(

const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

Network *n = data;

const char *p = rvalue;

int r;

assert(filename);

assert(lvalue);

assert(rvalue);

for (;;) {

_cleanup_free_ char *w = NULL;

struct in_addr a, *m;

r = extract_first_word(&p, &w, NULL, 0);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue);

return 0;

}

if (r == 0)

return 0;

if (inet_pton(AF_INET, w, &a) <= 0) {

log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse DNS server address, ignoring: %s", w);

continue;

}

m = realloc(n->dhcp_server_dns, (n->n_dhcp_server_dns + 1) * sizeof(struct in_addr));

if (!m)

return log_oom();

m[n->n_dhcp_server_dns++] = a;

n->dhcp_server_dns = m;

}

}

int config_parse_dhcp_server_ntp(

const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata) {

Network *n = data;

const char *p = rvalue;

int r;

assert(filename);

assert(lvalue);

assert(rvalue);

for (;;) {

_cleanup_free_ char *w = NULL;

struct in_addr a, *m;

r = extract_first_word(&p, &w, NULL, 0);

if (r < 0) {

log_syntax(unit, LOG_ERR, filename, r, line, "Failed to extract word, ignoring: %s", rvalue);

return 0;

}

if (r == 0)

return 0;

if (inet_pton(AF_INET, w, &a) <= 0) {

log_syntax(unit, LOG_ERR, filename, r, line, "Failed to parse NTP server address, ignoring: %s", w);

continue;

}

m = realloc(n->dhcp_server_ntp, (n->n_dhcp_server_ntp + 1) * sizeof(struct in_addr));

if (!m)

return log_oom();

m[n->n_dhcp_server_ntp++] = a;

n->dhcp_server_ntp = m;

}

}