32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include <netinet/ether.h>

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include <net/if.h>

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "sd-id128.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "link-config.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "ethtool-util.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "libudev-private.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "sd-rtnl.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "util.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "log.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "strv.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "path-util.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "conf-parser.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "conf-files.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "fileio.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#include "hashmap.h"

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidtstruct link_config_ctx {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt LIST_HEAD(link_config, links);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt int ethtool_fd;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt sd_rtnl *rtnl;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt char **link_dirs;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt usec_t link_dirs_ts_usec;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt};

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal SchmidtDEFINE_TRIVIAL_CLEANUP_FUNC(link_config_ctx*, link_config_ctx_free);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt#define _cleanup_link_config_ctx_free_ _cleanup_(link_config_ctx_freep)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidtint link_config_ctx_new(link_config_ctx **ret) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt _cleanup_link_config_ctx_free_ link_config_ctx *ctx = NULL;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!ret)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return -EINVAL;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt ctx = new0(link_config_ctx, 1);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!ctx)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return -ENOMEM;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt LIST_HEAD_INIT(ctx->links);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt ctx->ethtool_fd = -1;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt ctx->link_dirs = strv_new("/etc/systemd/network",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt "/run/systemd/network",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt "/usr/lib/systemd/network",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt NULL);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!ctx->link_dirs) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_error("failed to build link config directory array");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return -ENOMEM;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!path_strv_canonicalize_uniq(ctx->link_dirs)) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_error("failed to canonicalize link config directories\n");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return -ENOMEM;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt *ret = ctx;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt ctx = NULL;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt}

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidtstatic int link_config_ctx_connect(link_config_ctx *ctx) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt int r;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (ctx->ethtool_fd >= 0 && ctx->rtnl)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = ethtool_connect(&ctx->ethtool_fd);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return r;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = sd_rtnl_open(0, &ctx->rtnl);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return r;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt}

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidtstatic void link_configs_free(link_config_ctx *ctx) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt link_config *link, *link_next;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!ctx)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt LIST_FOREACH_SAFE(links, link, link_next, ctx->links) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt free(link->filename);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt free(link->match_path);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt free(link->match_driver);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt free(link->match_type);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt free(link->description);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt free(link);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt}

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidtvoid link_config_ctx_free(link_config_ctx *ctx) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!ctx)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (ctx->ethtool_fd >= 0)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt close_nointr_nofail(ctx->ethtool_fd);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt sd_rtnl_unref(ctx->rtnl);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt strv_free(ctx->link_dirs);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt link_configs_free(ctx);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt free(ctx);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt}

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidtstatic int load_link(link_config_ctx *ctx, const char *filename) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt link_config *link;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt FILE *file;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt int r;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt file = fopen(filename, "re");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!file) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (errno == ENOENT)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt else

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return errno;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt link = new0(link_config, 1);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!link) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = log_oom();

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt goto failure;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt link->mac_policy = _MACPOLICY_INVALID;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt link->wol = _WOL_INVALID;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt link->duplex = _DUP_INVALID;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = config_parse(NULL, filename, file, "Match\0Link\0Ethernet\0", config_item_perf_lookup,

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt (void*) link_config_gperf_lookup, false, false, link);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_warning("Colud not parse config file %s: %s", filename, strerror(-r));

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt goto failure;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt } else

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt log_info("Parsed configuration file %s", filename);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt link->filename = strdup(filename);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt LIST_PREPEND(links, ctx->links, link);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return 0;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtfailure:

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt free(link);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtint link_config_load(link_config_ctx *ctx) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt int r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt char **files, **f;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt link_configs_free(ctx);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt /* update timestamp */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt paths_check_timestamp(ctx->link_dirs, &ctx->link_dirs_ts_usec, true);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = conf_files_list_strv(&files, ".link", NULL, (const char **)ctx->link_dirs);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt log_error("failed to enumerate link files: %s", strerror(-r));

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

e80afdb3e4a1239ce0bffa4215d6a227caf3d833Michal Schmidt

e80afdb3e4a1239ce0bffa4215d6a227caf3d833Michal Schmidt STRV_FOREACH_BACKWARDS(f, files) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = load_link(ctx, *f);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return 0;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtbool link_config_should_reload(link_config_ctx *ctx) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return paths_check_timestamp(ctx->link_dirs, &ctx->link_dirs_ts_usec, false);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtstatic bool match_config(link_config *match, struct udev_device *device) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt const char *property;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (match->match_mac) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt property = udev_device_get_sysattr_value(device, "address");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!property || memcmp(match->match_mac, ether_aton(property), ETH_ALEN)) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_debug("Device MAC address (%s) did not match MACAddress=%s",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt property, ether_ntoa(match->match_mac));

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (match->match_path) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt property = udev_device_get_property_value(device, "ID_PATH");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!streq_ptr(match->match_path, property)) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_debug("Device's persistent path (%s) did not match Path=%s",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt property, match->match_path);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (match->match_driver) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt property = udev_device_get_driver(device);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (!streq_ptr(match->match_driver, property)) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt log_debug("Device driver (%s) did not match Driver=%s",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt property, match->match_driver);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (match->match_type) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt property = udev_device_get_devtype(device);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!streq_ptr(match->match_type, property)) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_debug("Device type (%s) did not match Type=%s",

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt property, match->match_type);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

435fc3176520a58f1c20ccb983c9fb40b30a1471Martin Pitt }

435fc3176520a58f1c20ccb983c9fb40b30a1471Martin Pitt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 1;

61c81750217af7492be86adde81b28e310cd5e82Tom Gundersen}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidtint link_config_get(link_config_ctx *ctx, struct udev_device *device, link_config **ret) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt link_config *link;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt LIST_FOREACH(links, link, ctx->links) {

435fc3176520a58f1c20ccb983c9fb40b30a1471Martin Pitt if (!match_config(link, device)) {

435fc3176520a58f1c20ccb983c9fb40b30a1471Martin Pitt log_info("Config file %s does not apply to device %s", link->filename, udev_device_get_sysname(device));

435fc3176520a58f1c20ccb983c9fb40b30a1471Martin Pitt } else {

435fc3176520a58f1c20ccb983c9fb40b30a1471Martin Pitt log_info("Config file %s applies to device %s", link->filename, udev_device_get_sysname(device));

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt *ret = link;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return -ENOENT;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtstatic int rtnl_set_properties(sd_rtnl *rtnl, int ifindex, const char *name, const struct ether_addr *mac, unsigned int mtu) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *message;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt bool need_update = false;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt int r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt assert(rtnl);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt assert(ifindex > 0);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = sd_rtnl_message_link_new(RTM_NEWLINK, ifindex, 0, 0, &message);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (name) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = sd_rtnl_message_append(message, IFLA_IFNAME, name);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt need_update = true;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (mac) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = sd_rtnl_message_append(message, IFLA_ADDRESS, mac);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt need_update = true;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (mtu > 0) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = sd_rtnl_message_append(message, IFLA_MTU, &mtu);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt need_update = true;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (need_update) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = sd_rtnl_send_with_reply_and_block(rtnl, message, 0, NULL);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return 0;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtstatic bool enable_name_policy(void) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt _cleanup_free_ char *line;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt char *w, *state;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt int r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt size_t l;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = read_one_line_file("/proc/cmdline", &line);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return true; /* something is very wrong, let's not make it worse */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt FOREACH_WORD_QUOTED(w, l, line, state)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (strneq(w, "net.ifnames=0", l))

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return false;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return true;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtstatic bool mac_is_random(struct udev_device *device) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt const char *s;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt unsigned type;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt int r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt s = udev_device_get_sysattr_value(device, "addr_assign_type");

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (!s)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return false; /* if we don't know, assume it is not random */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = safe_atou(s, &type);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return false;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt /* check for NET_ADDR_RANDOM */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return type == 1;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtstatic bool mac_is_permanent(struct udev_device *device) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt const char *s;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt unsigned type;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt int r;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt s = udev_device_get_sysattr_value(device, "addr_assign_type");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!s)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return true; /* if we don't know, assume it is permanent */

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = safe_atou(s, &type);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return true;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt /* check for NET_ADDR_PERM */

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return type == 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtstatic int get_mac(struct udev_device *device, bool want_random, struct ether_addr *mac) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt unsigned int seed;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt int r, i;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (want_random)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt seed = random_u();

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt else {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt const char *name;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt sd_id128_t machine;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt char machineid_buf[33];

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt const char *seed_str;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt /* fetch some persistent data unique (on this machine) to this device */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt name = udev_device_get_property_value(device, "ID_NET_NAME_ONBOARD");

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (!name) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt name = udev_device_get_property_value(device, "ID_NET_NAME_SLOT");

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (!name) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt name = udev_device_get_property_value(device, "ID_NET_NAME_PATH");

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (!name)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return -ENOENT;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt /* fetch some persistent data unique to this machine */

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt r = sd_id128_get_machine(&machine);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0)

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt /* combine the data */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt seed_str = strappenda(name, sd_id128_to_string(machine, machineid_buf));

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt /* hash to get seed */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt seed = string_hash_func(seed_str);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt srandom(seed);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt for(i = 0; i < ETH_ALEN; i++) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt mac->ether_addr_octet[i] = random();

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt /* see eth_random_addr in the kernel */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt mac->ether_addr_octet[0] &= 0xfe; /* clear multicast bit */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt mac->ether_addr_octet[0] |= 0x02; /* set local assignment bit (IEEE802) */

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return 0;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidtint link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_device *device) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt const char *name;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt const char *new_name = NULL;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt struct ether_addr generated_mac;

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt struct ether_addr *mac = NULL;

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt int r, ifindex;

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt r = link_config_ctx_connect(ctx);

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt if (r < 0)

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt return r;

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt name = udev_device_get_sysname(device);

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt if (!name)

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt return -EINVAL;

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt log_info("Configuring %s", name);

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt if (config->description) {

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt r = udev_device_set_sysattr_value(device, "ifalias",

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt config->description);

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt if (r < 0)

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt log_warning("Could not set description of %s to '%s': %s",

e1323fbfbe8a574f28b704f2df8ce7f99e3a28f5Michal Schmidt name, config->description, strerror(-r));

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = ethtool_set_speed(ctx->ethtool_fd, name, config->speed, config->duplex);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_warning("Could not set speed or duplex of %s to %u Mbytes (%s): %s",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt name, config->speed, duplex_to_string(config->duplex), strerror(-r));

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = ethtool_set_wol(ctx->ethtool_fd, name, config->wol);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_warning("Could not set WakeOnLan of %s to %s: %s",

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt name, wol_to_string(config->wol), strerror(-r));

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt ifindex = udev_device_get_ifindex(device);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (ifindex <= 0) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt log_warning("Could not find ifindex");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return -ENODEV;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (config->name_policy && enable_name_policy()) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt NamePolicy *policy;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt for (policy = config->name_policy; !new_name && *policy != _NAMEPOLICY_INVALID; policy++) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt switch (*policy) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt case NAMEPOLICY_ONBOARD:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt new_name = udev_device_get_property_value(device, "ID_NET_NAME_ONBOARD");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt break;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt case NAMEPOLICY_SLOT:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt new_name = udev_device_get_property_value(device, "ID_NET_NAME_SLOT");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt break;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt case NAMEPOLICY_PATH:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt new_name = udev_device_get_property_value(device, "ID_NET_NAME_PATH");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt break;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt case NAMEPOLICY_MAC:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt new_name = udev_device_get_property_value(device, "ID_NET_NAME_MAC");

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt break;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt default:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt break;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!new_name && config->name) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt new_name = config->name;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt switch (config->mac_policy) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt case MACPOLICY_PERSISTENT:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!mac_is_permanent(device)) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = get_mac(device, false, &generated_mac);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return r;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt mac = &generated_mac;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt break;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt case MACPOLICY_RANDOM:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (!mac_is_random(device)) {

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt r = get_mac(device, true, &generated_mac);

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt if (r < 0)

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return r;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt mac = &generated_mac;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt break;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt default:

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt mac = config->mac;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt r = rtnl_set_properties(ctx->rtnl, ifindex, new_name, mac, config->mtu);

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt if (r < 0) {

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt log_warning("Could not set Name, MACAddress or MTU on %s: %s", name, strerror(-r));

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt return r;

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt }

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt return 0;

32a4456cc252689f51f383d150d34ed636bfec4dMichal Schmidt}

9ba81d5a61b7c992a1d2e5e02f334b8e2a0b0c22Michal Schmidt