89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "device-util.h"
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#include "alloc-util.h"
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#include "link-config.h"
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#include "log.h"
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#include "string-util.h"
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#include "udev-builtin.h"
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static link_config_ctx *ctx = NULL;
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static int builtin_net_setup_link(sd_device *dev, int argc, char **argv, bool test) {
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_cleanup_free_ char *driver = NULL;
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const char *name = NULL;
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link_config *link;
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int r;
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if (argc > 1)
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return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), "This program takes no arguments.");
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r = link_get_driver(ctx, dev, &driver);
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if (r < 0)
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log_device_full_errno(dev, r == -EOPNOTSUPP ? LOG_DEBUG : LOG_WARNING,
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r, "Failed to query device driver: %m");
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else
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udev_builtin_add_property(dev, test, "ID_NET_DRIVER", driver);
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r = link_config_get(ctx, dev, &link);
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if (r < 0) {
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if (r == -ENOENT)
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return log_device_debug_errno(dev, r, "No matching link configuration found.");
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return log_device_error_errno(dev, r, "Failed to get link config: %m");
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}
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r = link_config_apply(ctx, link, dev, &name);
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if (r < 0)
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log_device_warning_errno(dev, r, "Could not apply link config, ignoring: %m");
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udev_builtin_add_property(dev, test, "ID_NET_LINK_FILE", link->filename);
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if (name)
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udev_builtin_add_property(dev, test, "ID_NET_NAME", name);
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return 0;
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}
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static int builtin_net_setup_link_init(void) {
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int r;
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if (ctx)
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return 0;
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r = link_config_ctx_new(&ctx);
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if (r < 0)
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return r;
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r = link_config_load(ctx);
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if (r < 0)
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return r;
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log_debug("Created link configuration context.");
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return 0;
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}
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static void builtin_net_setup_link_exit(void) {
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link_config_ctx_free(ctx);
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ctx = NULL;
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log_debug("Unloaded link configuration context.");
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}
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static bool builtin_net_setup_link_validate(void) {
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log_debug("Check if link configuration needs reloading.");
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if (!ctx)
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return false;
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return link_config_should_reload(ctx);
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}
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const UdevBuiltin udev_builtin_net_setup_link = {
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.name = "net_setup_link",
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.cmd = builtin_net_setup_link,
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.init = builtin_net_setup_link_init,
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.exit = builtin_net_setup_link_exit,
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.validate = builtin_net_setup_link_validate,
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.help = "Configure network link",
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.run_once = false,
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};
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