74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <ctype.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <net/if.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "conf-files.h"

50f1e641a93cacfc693b0c3d300bee5df0c8c460Tom Gundersen#include "conf-parser.h"

71d35b6b5563817dfbe757ab9e3b9f018b2db491Thomas Hindoe Paaboel Andersen#include "util.h"

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering#include "hostname-util.h"

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering#include "networkd.h"

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering#include "networkd-netdev.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "networkd-link.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "network-internal.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "dns-domain.h"

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int network_load_one(Manager *manager, const char *filename) {

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering _cleanup_network_free_ Network *network = NULL;

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering _cleanup_fclose_ FILE *file = NULL;

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering char *d;

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering Route *route;

23502de3b0891455c8ce499a9eb61b69d060a829Daniel Mack Address *address;

23502de3b0891455c8ce499a9eb61b69d060a829Daniel Mack int r;

23502de3b0891455c8ce499a9eb61b69d060a829Daniel Mack

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering assert(manager);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering assert(filename);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering file = fopen(filename, "re");

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering if (!file) {

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering if (errno == ENOENT)

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering return 0;

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering else

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering return -errno;

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering }

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering if (null_or_empty_fd(fileno(file))) {

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering log_debug("Skipping empty file: %s", filename);

e0240c64b76ba8f0c9219feb23a5783f23100216Lennart Poettering return 0;

e0240c64b76ba8f0c9219feb23a5783f23100216Lennart Poettering }

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering network = new0(Network, 1);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering if (!network)

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering return log_oom();

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering network->manager = manager;

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering LIST_HEAD_INIT(network->static_addresses);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering LIST_HEAD_INIT(network->static_routes);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering LIST_HEAD_INIT(network->static_fdb_entries);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

af22c65b272f0e7a1c0518c222749f3c09d05438Lennart Poettering network->stacked_netdevs = hashmap_new(&string_hash_ops);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering if (!network->stacked_netdevs)

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering return log_oom();

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering network->addresses_by_section = hashmap_new(NULL);

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering if (!network->addresses_by_section)

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering return log_oom();

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering network->routes_by_section = hashmap_new(NULL);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!network->routes_by_section)

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering return log_oom();

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering network->fdb_entries_by_section = hashmap_new(NULL);

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering if (!network->fdb_entries_by_section)

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering return log_oom();

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering network->filename = strdup(filename);

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering if (!network->filename)

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering return log_oom();

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering network->name = strdup(basename(filename));

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering if (!network->name)

1b4f6e79ec51a57003896a0b605fba427b4a98d2Lennart Poettering return log_oom();

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering d = strrchr(network->name, '.');

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering if (!d)

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering return -EINVAL;

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering assert(streq(d, ".network"));

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering *d = '\0';

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

7b50eb2efa122200e39646c19a29abab302f7d24Lennart Poettering network->dhcp = ADDRESS_FAMILY_NO;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering network->dhcp_ntp = true;

a8812dd7f161a3e459c1730ac92ff2bbc9986ff1Lennart Poettering network->dhcp_dns = true;

a8812dd7f161a3e459c1730ac92ff2bbc9986ff1Lennart Poettering network->dhcp_hostname = true;

a8812dd7f161a3e459c1730ac92ff2bbc9986ff1Lennart Poettering network->dhcp_routes = true;

a8812dd7f161a3e459c1730ac92ff2bbc9986ff1Lennart Poettering network->dhcp_sendhost = true;

a8812dd7f161a3e459c1730ac92ff2bbc9986ff1Lennart Poettering network->dhcp_route_metric = DHCP_ROUTE_METRIC;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering network->use_bpdu = true;

f5430a3ef308f3a102899fcaf7fbece757082f2aLennart Poettering network->allow_port_to_be_root = true;

d75acfb059ece4512278b8820a9103664996f1e5Lennart Poettering network->unicast_flood = true;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering network->llmnr = LLMNR_SUPPORT_YES;

9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering

9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering network->link_local = ADDRESS_FAMILY_IPV6;

9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering

9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO;

9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = config_parse(NULL, filename, file,

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "Match\0"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "Link\0"

8ac4e9e1e54397f6d1745c2a7a806132418c7da2Lennart Poettering "Network\0"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "Address\0"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "Route\0"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "DHCP\0"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "DHCPv4\0"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "Bridge\0"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "BridgeFDB\0",

2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek config_item_perf_lookup, network_network_gperf_lookup,

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering false, false, true, network);

c0eb11cfd016381fe02875a4ef29c1ade00c94e7Lennart Poettering if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* IPMasquerade=yes implies IPForward=yes */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (network->ip_masquerade)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering network->ip_forward |= ADDRESS_FAMILY_IPV4;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering LIST_PREPEND(networks, manager->networks, network);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops);

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering if (r < 0)

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering return r;

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering r = hashmap_put(manager->networks_by_name, network->name, network);

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering if (r < 0)

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering return r;

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering LIST_FOREACH(routes, route, network->static_routes) {

7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering if (!route->family) {

946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek log_warning("Route section without Gateway field configured in %s. "

946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek "Ignoring", filename);

946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek return 0;

946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek }

946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek }

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek LIST_FOREACH(addresses, address, network->static_addresses) {

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek if (!address->family) {

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek log_warning("Address section without Address field configured in %s. "

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek "Ignoring", filename);

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek return 0;

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek }

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek }

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek

0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek network = NULL;

42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersen return 0;

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersen}

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersen

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersenint network_load(Manager *manager) {

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersen Network *network;

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersen _cleanup_strv_free_ char **files = NULL;

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersen char **f;

abf126a355e2f2b62b6c51ab3bb37895d1e3eee7Tom Gundersen int r;

549c1a2564b56f2bb38f1203d59c747ea15817f3Tom Gundersen

42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering assert(manager);

42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering

42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering while ((network = manager->networks))

549c1a2564b56f2bb38f1203d59c747ea15817f3Tom Gundersen network_free(network);

549c1a2564b56f2bb38f1203d59c747ea15817f3Tom Gundersen

42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering r = conf_files_list_strv(&files, ".network", NULL, network_dirs);

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek if (r < 0)

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek return log_error_errno(r, "Failed to enumerate network files: %m");

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek

f91dc2400dc33e9a0745ecaaef7489af116dca38Lennart Poettering STRV_FOREACH_BACKWARDS(f, files) {

f91dc2400dc33e9a0745ecaaef7489af116dca38Lennart Poettering r = network_load_one(manager, *f);

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek if (r < 0)

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek return r;

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek }

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek return 0;

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek}

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmekvoid network_free(Network *network) {

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek NetDev *netdev;

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek Route *route;

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek Address *address;

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek FdbEntry *fdb_entry;

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek Iterator i;

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek if (!network)

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek return;

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek

151226ab4bf276d60d51864330a99f886b923697Zbigniew Jędrzejewski-Szmek free(network->filename);

50f1e641a93cacfc693b0c3d300bee5df0c8c460Tom Gundersen

9ead3519c54b6d1b79b35541873b5cf7c8b3a7d3Lennart Poettering free(network->match_mac);

50f1e641a93cacfc693b0c3d300bee5df0c8c460Tom Gundersen strv_free(network->match_path);

50f1e641a93cacfc693b0c3d300bee5df0c8c460Tom Gundersen strv_free(network->match_driver);

50f1e641a93cacfc693b0c3d300bee5df0c8c460Tom Gundersen strv_free(network->match_type);

50f1e641a93cacfc693b0c3d300bee5df0c8c460Tom Gundersen strv_free(network->match_name);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen free(network->description);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen free(network->dhcp_vendor_class_identifier);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen free(network->hostname);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen free(network->mac);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen strv_free(network->ntp);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen strv_free(network->dns);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen strv_free(network->domains);

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen strv_free(network->bind_carrier);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering netdev_unref(network->bridge);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering netdev_unref(network->bond);

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) {

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering hashmap_remove(network->stacked_netdevs, netdev->ifname);

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering netdev_unref(netdev);

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering }

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering hashmap_free(network->stacked_netdevs);

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering while ((route = network->static_routes))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering route_free(route);

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

36d9205d669bcdcb04fa730d1f3549a9fc9a9001Tom Gundersen while ((address = network->static_addresses))

801ad6a6a9cd8fbd58b9f9c27f20dbb3c87d47ddLennart Poettering address_free(address);

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering while ((fdb_entry = network->static_fdb_entries))

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering fdb_entry_free(fdb_entry);

28b9b7640603f88cb49f95609331fa5072715f15Lennart Poettering

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering hashmap_free(network->addresses_by_section);

105e151299dc1208855380be2b22d0db2d66ebc6Lennart Poettering hashmap_free(network->routes_by_section);

5d27351f8546530cf779847b0b04b0172c09f9d0Tom Gundersen hashmap_free(network->fdb_entries_by_section);

547973dea7abd6c124ff6c79fe2bbe322a7314aeLennart Poettering

2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (network->manager) {

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering if (network->manager->networks)

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering LIST_REMOVE(networks, network->manager->networks, network);

7778dffff3d8bd7438fe19a248c16203668324c9Daniel Mack

7778dffff3d8bd7438fe19a248c16203668324c9Daniel Mack if (network->manager->networks_by_name)

7778dffff3d8bd7438fe19a248c16203668324c9Daniel Mack hashmap_remove(network->manager->networks_by_name, network->name);

7778dffff3d8bd7438fe19a248c16203668324c9Daniel Mack }

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering free(network->name);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering condition_free_list(network->match_host);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering condition_free_list(network->match_virt);

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering condition_free_list(network->match_kernel);

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering condition_free_list(network->match_arch);

7b50eb2efa122200e39646c19a29abab302f7d24Lennart Poettering

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering free(network);

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering}

a8812dd7f161a3e459c1730ac92ff2bbc9986ff1Lennart Poettering

a8812dd7f161a3e459c1730ac92ff2bbc9986ff1Lennart Poetteringint network_get_by_name(Manager *manager, const char *name, Network **ret) {

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering Network *network;

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering assert(manager);

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt assert(name);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering assert(ret);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering network = hashmap_get(manager->networks_by_name, name);

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering if (!network)

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering return -ENOENT;

8730bccfc59fe507bd3e0a3abcf411b497ac4f0eLennart Poettering

*ret = network;

return 0;

}

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_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");

static const char* const llmnr_support_table[_LLMNR_SUPPORT_MAX] = {

[LLMNR_SUPPORT_NO] = "no",

[LLMNR_SUPPORT_YES] = "yes",

[LLMNR_SUPPORT_RESOLVE] = "resolve",

};

DEFINE_STRING_TABLE_LOOKUP(llmnr_support, LLMNRSupport);

int config_parse_llmnr(

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) {

LLMNRSupport *llmnr = data;

int k;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(llmnr);

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

k = parse_boolean(rvalue);

if (k > 0)

*llmnr = LLMNR_SUPPORT_YES;

else if (k == 0)

*llmnr = LLMNR_SUPPORT_NO;

else {

LLMNRSupport s;

s = llmnr_support_from_string(rvalue);

if (s < 0){

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

return 0;

}

*llmnr = s;

}

return 0;

}

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;

}

int config_parse_address_family_boolean_with_kernel(

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 *fwd = data, s;

assert(filename);

assert(lvalue);

assert(rvalue);

assert(data);

s = address_family_boolean_from_string(rvalue);

if (s < 0) {

if (streq(rvalue, "kernel"))

s = _ADDRESS_FAMILY_BOOLEAN_INVALID;

else {

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

return 0;

}

}

*fwd = s;

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;

char *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, true)) {

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

free(hn);

return 0;

}

*hostname = hostname_cleanup(hn, false);

return 0;

}