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-rw-r--r--src/network/netdev/wireguard.c778
1 files changed, 778 insertions, 0 deletions
diff --git a/src/network/netdev/wireguard.c b/src/network/netdev/wireguard.c
new file mode 100644
index 0000000..0c0b16d
--- /dev/null
+++ b/src/network/netdev/wireguard.c
@@ -0,0 +1,778 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+/***
+ Copyright © 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+***/
+
+#include <sys/ioctl.h>
+#include <net/if.h>
+
+#include "sd-resolve.h"
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "hexdecoct.h"
+#include "networkd-link.h"
+#include "networkd-manager.h"
+#include "networkd-util.h"
+#include "parse-util.h"
+#include "resolve-private.h"
+#include "string-util.h"
+#include "strv.h"
+#include "wireguard.h"
+#include "wireguard-netlink.h"
+
+static void resolve_endpoints(NetDev *netdev);
+
+static WireguardPeer *wireguard_peer_new(Wireguard *w, unsigned section) {
+ WireguardPeer *peer;
+
+ assert(w);
+
+ if (w->last_peer_section == section && w->peers)
+ return w->peers;
+
+ peer = new(WireguardPeer, 1);
+ if (!peer)
+ return NULL;
+
+ *peer = (WireguardPeer) {
+ .flags = WGPEER_F_REPLACE_ALLOWEDIPS,
+ };
+
+ LIST_PREPEND(peers, w->peers, peer);
+ w->last_peer_section = section;
+
+ return peer;
+}
+
+static int wireguard_set_ipmask_one(NetDev *netdev, sd_netlink_message *message, const WireguardIPmask *mask, uint16_t index) {
+ int r;
+
+ assert(message);
+ assert(mask);
+ assert(index > 0);
+
+ /* This returns 1 on success, 0 on recoverable error, and negative errno on failure. */
+
+ r = sd_netlink_message_open_array(message, index);
+ if (r < 0)
+ return 0;
+
+ r = sd_netlink_message_append_u16(message, WGALLOWEDIP_A_FAMILY, mask->family);
+ if (r < 0)
+ goto cancel;
+
+ if (mask->family == AF_INET)
+ r = sd_netlink_message_append_in_addr(message, WGALLOWEDIP_A_IPADDR, &mask->ip.in);
+ else if (mask->family == AF_INET6)
+ r = sd_netlink_message_append_in6_addr(message, WGALLOWEDIP_A_IPADDR, &mask->ip.in6);
+ if (r < 0)
+ goto cancel;
+
+ r = sd_netlink_message_append_u8(message, WGALLOWEDIP_A_CIDR_MASK, mask->cidr);
+ if (r < 0)
+ goto cancel;
+
+ r = sd_netlink_message_close_container(message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not add wireguard allowed ip: %m");
+
+ return 1;
+
+cancel:
+ r = sd_netlink_message_cancel_array(message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not cancel wireguard allowed ip message attribute: %m");
+
+ return 0;
+}
+
+static int wireguard_set_peer_one(NetDev *netdev, sd_netlink_message *message, const WireguardPeer *peer, uint16_t index, WireguardIPmask **mask_start) {
+ WireguardIPmask *mask, *start;
+ uint16_t j = 0;
+ int r;
+
+ assert(message);
+ assert(peer);
+ assert(index > 0);
+ assert(mask_start);
+
+ /* This returns 1 on success, 0 on recoverable error, and negative errno on failure. */
+
+ start = *mask_start ?: peer->ipmasks;
+
+ r = sd_netlink_message_open_array(message, index);
+ if (r < 0)
+ return 0;
+
+ r = sd_netlink_message_append_data(message, WGPEER_A_PUBLIC_KEY, &peer->public_key, sizeof(peer->public_key));
+ if (r < 0)
+ goto cancel;
+
+ if (!*mask_start) {
+ r = sd_netlink_message_append_data(message, WGPEER_A_PRESHARED_KEY, &peer->preshared_key, WG_KEY_LEN);
+ if (r < 0)
+ goto cancel;
+
+ r = sd_netlink_message_append_u32(message, WGPEER_A_FLAGS, peer->flags);
+ if (r < 0)
+ goto cancel;
+
+ r = sd_netlink_message_append_u16(message, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, peer->persistent_keepalive_interval);
+ if (r < 0)
+ goto cancel;
+
+ if (peer->endpoint.sa.sa_family == AF_INET)
+ r = sd_netlink_message_append_sockaddr_in(message, WGPEER_A_ENDPOINT, &peer->endpoint.in);
+ else if (peer->endpoint.sa.sa_family == AF_INET6)
+ r = sd_netlink_message_append_sockaddr_in6(message, WGPEER_A_ENDPOINT, &peer->endpoint.in6);
+ if (r < 0)
+ goto cancel;
+ }
+
+ r = sd_netlink_message_open_container(message, WGPEER_A_ALLOWEDIPS);
+ if (r < 0)
+ goto cancel;
+
+ LIST_FOREACH(ipmasks, mask, start) {
+ r = wireguard_set_ipmask_one(netdev, message, mask, ++j);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+ }
+
+ r = sd_netlink_message_close_container(message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not add wireguard allowed ip: %m");
+
+ r = sd_netlink_message_close_container(message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not add wireguard peer: %m");
+
+ *mask_start = mask; /* Start next cycle from this mask. */
+ return !mask;
+
+cancel:
+ r = sd_netlink_message_cancel_array(message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not cancel wireguard peers: %m");
+
+ return 0;
+}
+
+static int wireguard_set_interface(NetDev *netdev) {
+ _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL;
+ WireguardIPmask *mask_start = NULL;
+ WireguardPeer *peer, *peer_start;
+ uint32_t serial;
+ Wireguard *w;
+ int r;
+
+ assert(netdev);
+ w = WIREGUARD(netdev);
+ assert(w);
+
+ for (peer_start = w->peers; peer_start; ) {
+ uint16_t i = 0;
+
+ message = sd_netlink_message_unref(message);
+
+ r = sd_genl_message_new(netdev->manager->genl, SD_GENL_WIREGUARD, WG_CMD_SET_DEVICE, &message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Failed to allocate generic netlink message: %m");
+
+ r = sd_netlink_message_append_string(message, WGDEVICE_A_IFNAME, netdev->ifname);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append wireguard interface name: %m");
+
+ if (peer_start == w->peers) {
+ r = sd_netlink_message_append_data(message, WGDEVICE_A_PRIVATE_KEY, &w->private_key, WG_KEY_LEN);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append wireguard private key: %m");
+
+ r = sd_netlink_message_append_u16(message, WGDEVICE_A_LISTEN_PORT, w->port);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append wireguard port: %m");
+
+ r = sd_netlink_message_append_u32(message, WGDEVICE_A_FWMARK, w->fwmark);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append wireguard fwmark: %m");
+
+ r = sd_netlink_message_append_u32(message, WGDEVICE_A_FLAGS, w->flags);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append wireguard flags: %m");
+ }
+
+ r = sd_netlink_message_open_container(message, WGDEVICE_A_PEERS);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append wireguard peer attributes: %m");
+
+ LIST_FOREACH(peers, peer, peer_start) {
+ r = wireguard_set_peer_one(netdev, message, peer, ++i, &mask_start);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+ }
+ peer_start = peer; /* Start next cycle from this peer. */
+
+ r = sd_netlink_message_close_container(message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not close wireguard container: %m");
+
+ r = sd_netlink_send(netdev->manager->genl, message, &serial);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not set wireguard device: %m");
+ }
+
+ return 0;
+}
+
+static WireguardEndpoint* wireguard_endpoint_free(WireguardEndpoint *e) {
+ if (!e)
+ return NULL;
+ e->host = mfree(e->host);
+ e->port = mfree(e->port);
+ return mfree(e);
+}
+
+static void wireguard_endpoint_destroy_callback(WireguardEndpoint *e) {
+ assert(e);
+ assert(e->netdev);
+
+ netdev_unref(e->netdev);
+ wireguard_endpoint_free(e);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(WireguardEndpoint*, wireguard_endpoint_free);
+
+static int on_resolve_retry(sd_event_source *s, usec_t usec, void *userdata) {
+ NetDev *netdev = userdata;
+ Wireguard *w;
+
+ assert(netdev);
+ w = WIREGUARD(netdev);
+ assert(w);
+
+ if (!netdev_is_managed(netdev))
+ return 0;
+
+ assert(!w->unresolved_endpoints);
+ w->unresolved_endpoints = TAKE_PTR(w->failed_endpoints);
+
+ resolve_endpoints(netdev);
+
+ return 0;
+}
+
+/*
+ * Given the number of retries this function will return will an exponential
+ * increasing time in milliseconds to wait starting at 200ms and capped at 25 seconds.
+ */
+static int exponential_backoff_milliseconds(unsigned n_retries) {
+ return (2 << MAX(n_retries, 7U)) * 100 * USEC_PER_MSEC;
+}
+
+static int wireguard_resolve_handler(sd_resolve_query *q,
+ int ret,
+ const struct addrinfo *ai,
+ WireguardEndpoint *e) {
+ _cleanup_(netdev_unrefp) NetDev *netdev_will_unrefed = NULL;
+ NetDev *netdev;
+ Wireguard *w;
+ int r;
+
+ assert(e);
+ assert(e->netdev);
+
+ netdev = e->netdev;
+ w = WIREGUARD(netdev);
+ assert(w);
+
+ if (!netdev_is_managed(netdev))
+ return 0;
+
+ if (ret != 0) {
+ log_netdev_error(netdev, "Failed to resolve host '%s:%s': %s", e->host, e->port, gai_strerror(ret));
+ LIST_PREPEND(endpoints, w->failed_endpoints, e);
+ (void) sd_resolve_query_set_destroy_callback(q, NULL); /* Avoid freeing endpoint by destroy callback. */
+ netdev_will_unrefed = netdev; /* But netdev needs to be unrefed. */
+ } else if ((ai->ai_family == AF_INET && ai->ai_addrlen == sizeof(struct sockaddr_in)) ||
+ (ai->ai_family == AF_INET6 && ai->ai_addrlen == sizeof(struct sockaddr_in6)))
+ memcpy(&e->peer->endpoint, ai->ai_addr, ai->ai_addrlen);
+ else
+ log_netdev_error(netdev, "Neither IPv4 nor IPv6 address found for peer endpoint: %s:%s", e->host, e->port);
+
+ if (w->unresolved_endpoints) {
+ resolve_endpoints(netdev);
+ return 0;
+ }
+
+ (void) wireguard_set_interface(netdev);
+ if (w->failed_endpoints) {
+ _cleanup_(sd_event_source_unrefp) sd_event_source *s = NULL;
+
+ w->n_retries++;
+ r = sd_event_add_time(netdev->manager->event,
+ &s,
+ CLOCK_MONOTONIC,
+ now(CLOCK_MONOTONIC) + exponential_backoff_milliseconds(w->n_retries),
+ 0,
+ on_resolve_retry,
+ netdev);
+ if (r < 0) {
+ log_netdev_warning_errno(netdev, r, "Could not arm resolve retry handler: %m");
+ return 0;
+ }
+
+ r = sd_event_source_set_destroy_callback(s, (sd_event_destroy_t) netdev_destroy_callback);
+ if (r < 0) {
+ log_netdev_warning_errno(netdev, r, "Failed to set destroy callback to event source: %m");
+ return 0;
+ }
+
+ (void) sd_event_source_set_floating(s, true);
+ netdev_ref(netdev);
+ }
+
+ return 0;
+}
+
+static void resolve_endpoints(NetDev *netdev) {
+ static const struct addrinfo hints = {
+ .ai_family = AF_UNSPEC,
+ .ai_socktype = SOCK_DGRAM,
+ .ai_protocol = IPPROTO_UDP
+ };
+ WireguardEndpoint *endpoint;
+ Wireguard *w;
+ int r = 0;
+
+ assert(netdev);
+ w = WIREGUARD(netdev);
+ assert(w);
+
+ LIST_FOREACH(endpoints, endpoint, w->unresolved_endpoints) {
+ r = resolve_getaddrinfo(netdev->manager->resolve,
+ NULL,
+ endpoint->host,
+ endpoint->port,
+ &hints,
+ wireguard_resolve_handler,
+ wireguard_endpoint_destroy_callback,
+ endpoint);
+
+ if (r == -ENOBUFS)
+ break;
+ if (r < 0) {
+ log_netdev_error_errno(netdev, r, "Failed to create resolver: %m");
+ continue;
+ }
+
+ /* Avoid freeing netdev. It will be unrefed by the destroy callback. */
+ netdev_ref(netdev);
+
+ LIST_REMOVE(endpoints, w->unresolved_endpoints, endpoint);
+ }
+}
+
+static int netdev_wireguard_post_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
+ Wireguard *w;
+
+ assert(netdev);
+ w = WIREGUARD(netdev);
+ assert(w);
+
+ (void) wireguard_set_interface(netdev);
+ resolve_endpoints(netdev);
+ return 0;
+}
+
+int config_parse_wireguard_listen_port(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) {
+ uint16_t *s = data;
+ uint16_t port = 0;
+ int r;
+
+ assert(rvalue);
+ assert(data);
+
+ if (!streq(rvalue, "auto")) {
+ r = parse_ip_port(rvalue, &port);
+ if (r < 0)
+ log_syntax(unit, LOG_ERR, filename, line, r, "Invalid port specification, ignoring assignment: %s", rvalue);
+ }
+
+ *s = port;
+
+ return 0;
+}
+
+static int parse_wireguard_key(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) {
+ _cleanup_free_ void *key = NULL;
+ size_t len;
+ int r;
+
+ assert(filename);
+ assert(rvalue);
+ assert(userdata);
+
+ r = unbase64mem(rvalue, strlen(rvalue), &key, &len);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse wireguard key \"%s\", ignoring assignment: %m", rvalue);
+ return 0;
+ }
+ if (len != WG_KEY_LEN) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Wireguard key is too short, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ memcpy(userdata, key, WG_KEY_LEN);
+ return true;
+}
+
+int config_parse_wireguard_private_key(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) {
+ Wireguard *w;
+
+ assert(data);
+
+ w = WIREGUARD(data);
+
+ assert(w);
+
+ return parse_wireguard_key(unit,
+ filename,
+ line,
+ section,
+ section_line,
+ lvalue,
+ ltype,
+ rvalue,
+ data,
+ &w->private_key);
+
+}
+
+int config_parse_wireguard_preshared_key(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) {
+ Wireguard *w;
+ WireguardPeer *peer;
+
+ assert(data);
+
+ w = WIREGUARD(data);
+
+ assert(w);
+
+ peer = wireguard_peer_new(w, section_line);
+ if (!peer)
+ return log_oom();
+
+ return parse_wireguard_key(unit,
+ filename,
+ line,
+ section,
+ section_line,
+ lvalue,
+ ltype,
+ rvalue,
+ data,
+ peer->preshared_key);
+}
+
+int config_parse_wireguard_public_key(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) {
+ Wireguard *w;
+ WireguardPeer *peer;
+
+ assert(data);
+
+ w = WIREGUARD(data);
+
+ assert(w);
+
+ peer = wireguard_peer_new(w, section_line);
+ if (!peer)
+ return log_oom();
+
+ return parse_wireguard_key(unit,
+ filename,
+ line,
+ section,
+ section_line,
+ lvalue,
+ ltype,
+ rvalue,
+ data,
+ peer->public_key);
+}
+
+int config_parse_wireguard_allowed_ips(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 addr;
+ unsigned char prefixlen;
+ int r, family;
+ Wireguard *w;
+ WireguardPeer *peer;
+ WireguardIPmask *ipmask;
+
+ assert(rvalue);
+ assert(data);
+
+ w = WIREGUARD(data);
+
+ peer = wireguard_peer_new(w, section_line);
+ if (!peer)
+ return log_oom();
+
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
+
+ r = extract_first_word(&rvalue, &word, "," WHITESPACE, 0);
+ if (r == 0)
+ break;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to split allowed ips \"%s\" option: %m", rvalue);
+ break;
+ }
+
+ r = in_addr_prefix_from_string_auto(word, &family, &addr, &prefixlen);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Network address is invalid, ignoring assignment: %s", word);
+ return 0;
+ }
+
+ ipmask = new(WireguardIPmask, 1);
+ if (!ipmask)
+ return log_oom();
+
+ *ipmask = (WireguardIPmask) {
+ .family = family,
+ .ip.in6 = addr.in6,
+ .cidr = prefixlen,
+ };
+
+ LIST_PREPEND(ipmasks, peer->ipmasks, ipmask);
+ }
+
+ return 0;
+}
+
+int config_parse_wireguard_endpoint(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) {
+ Wireguard *w;
+ WireguardPeer *peer;
+ size_t len;
+ const char *begin, *end = NULL;
+ _cleanup_free_ char *host = NULL, *port = NULL;
+ _cleanup_(wireguard_endpoint_freep) WireguardEndpoint *endpoint = NULL;
+
+ assert(data);
+ assert(rvalue);
+
+ w = WIREGUARD(data);
+
+ assert(w);
+
+ peer = wireguard_peer_new(w, section_line);
+ if (!peer)
+ return log_oom();
+
+ if (rvalue[0] == '[') {
+ begin = &rvalue[1];
+ end = strchr(rvalue, ']');
+ if (!end) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unable to find matching brace of endpoint, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+ len = end - begin;
+ ++end;
+ if (*end != ':' || !*(end + 1)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unable to find port of endpoint: %s", rvalue);
+ return 0;
+ }
+ ++end;
+ } else {
+ begin = rvalue;
+ end = strrchr(rvalue, ':');
+ if (!end || !*(end + 1)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unable to find port of endpoint: %s", rvalue);
+ return 0;
+ }
+ len = end - begin;
+ ++end;
+ }
+
+ host = strndup(begin, len);
+ if (!host)
+ return log_oom();
+
+ port = strdup(end);
+ if (!port)
+ return log_oom();
+
+ endpoint = new(WireguardEndpoint, 1);
+ if (!endpoint)
+ return log_oom();
+
+ *endpoint = (WireguardEndpoint) {
+ .peer = TAKE_PTR(peer),
+ .host = TAKE_PTR(host),
+ .port = TAKE_PTR(port),
+ .netdev = data,
+ };
+ LIST_PREPEND(endpoints, w->unresolved_endpoints, TAKE_PTR(endpoint));
+
+ return 0;
+}
+
+int config_parse_wireguard_keepalive(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) {
+ int r;
+ uint16_t keepalive = 0;
+ Wireguard *w;
+ WireguardPeer *peer;
+
+ assert(rvalue);
+ assert(data);
+
+ w = WIREGUARD(data);
+
+ assert(w);
+
+ peer = wireguard_peer_new(w, section_line);
+ if (!peer)
+ return log_oom();
+
+ if (streq(rvalue, "off"))
+ keepalive = 0;
+ else {
+ r = safe_atou16(rvalue, &keepalive);
+ if (r < 0)
+ log_syntax(unit, LOG_ERR, filename, line, r, "The persistent keepalive interval must be 0-65535. Ignore assignment: %s", rvalue);
+ }
+
+ peer->persistent_keepalive_interval = keepalive;
+ return 0;
+}
+
+static void wireguard_init(NetDev *netdev) {
+ Wireguard *w;
+
+ assert(netdev);
+
+ w = WIREGUARD(netdev);
+
+ assert(w);
+
+ w->flags = WGDEVICE_F_REPLACE_PEERS;
+}
+
+static void wireguard_done(NetDev *netdev) {
+ Wireguard *w;
+ WireguardPeer *peer;
+ WireguardIPmask *mask;
+ WireguardEndpoint *e;
+
+ assert(netdev);
+ w = WIREGUARD(netdev);
+ assert(w);
+
+ while ((peer = w->peers)) {
+ LIST_REMOVE(peers, w->peers, peer);
+ while ((mask = peer->ipmasks)) {
+ LIST_REMOVE(ipmasks, peer->ipmasks, mask);
+ free(mask);
+ }
+ free(peer);
+ }
+
+ while ((e = w->unresolved_endpoints)) {
+ LIST_REMOVE(endpoints, w->unresolved_endpoints, e);
+ wireguard_endpoint_free(e);
+ }
+
+ while ((e = w->failed_endpoints)) {
+ LIST_REMOVE(endpoints, w->failed_endpoints, e);
+ wireguard_endpoint_free(e);
+ }
+}
+
+const NetDevVTable wireguard_vtable = {
+ .object_size = sizeof(Wireguard),
+ .sections = "Match\0NetDev\0WireGuard\0WireGuardPeer\0",
+ .post_create = netdev_wireguard_post_create,
+ .init = wireguard_init,
+ .done = wireguard_done,
+ .create_type = NETDEV_CREATE_INDEPENDENT,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-13 09:04:46 +0000