#include "socket-util.h"
#include "string-table.h"
#include "strv.h"
+#include "sysctl-util.h"
bool link_ipv6ll_enabled(Link *link) {
assert(link);
return 0;
}
+#define STABLE_SECRET_APP_ID_1 SD_ID128_MAKE(aa,05,1d,94,43,68,45,07,b9,73,f1,e8,e4,b7,34,52)
+#define STABLE_SECRET_APP_ID_2 SD_ID128_MAKE(52,c4,40,a0,9f,2f,48,58,a9,3a,f6,29,25,ba,7a,7d)
+
+int link_set_ipv6ll_stable_secret(Link *link) {
+ _cleanup_free_ char *str = NULL;
+ struct in6_addr a;
+ int r;
+
+ assert(link);
+ assert(link->network);
+
+ if (link->network->ipv6ll_address_gen_mode != IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY)
+ return 0;
+
+ if (in6_addr_is_set(&link->network->ipv6ll_stable_secret))
+ a = link->network->ipv6ll_stable_secret;
+ else {
+ sd_id128_t key;
+ le64_t v;
+
+ /* Generate a stable secret address from machine-ID and the interface name. */
+
+ r = sd_id128_get_machine_app_specific(STABLE_SECRET_APP_ID_1, &key);
+ if (r < 0)
+ return log_link_debug_errno(link, r, "Failed to generate key: %m");
+
+ v = htole64(siphash24_string(link->ifname, key.bytes));
+ memcpy(a.s6_addr, &v, sizeof(v));
+
+ r = sd_id128_get_machine_app_specific(STABLE_SECRET_APP_ID_2, &key);
+ if (r < 0)
+ return log_link_debug_errno(link, r, "Failed to generate key: %m");
+
+ v = htole64(siphash24_string(link->ifname, key.bytes));
+ assert_cc(sizeof(v) * 2 == sizeof(a.s6_addr));
+ memcpy(a.s6_addr + sizeof(v), &v, sizeof(v));
+ }
+
+ r = in6_addr_to_string(&a, &str);
+ if (r < 0)
+ return r;
+
+ return sysctl_write_ip_property(AF_INET6, link->ifname, "stable_secret", str);
+}
+
static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = {
[IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64",
[IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none",
int ipv6ll_addrgen_mode_fill_message(sd_netlink_message *message, IPv6LinkLocalAddressGenMode mode);
int link_update_ipv6ll_addrgen_mode(Link *link, sd_netlink_message *message);
+int link_set_ipv6ll_stable_secret(Link *link);
+
const char* ipv6_link_local_address_gen_mode_to_string(IPv6LinkLocalAddressGenMode s) _const_;
IPv6LinkLocalAddressGenMode ipv6_link_local_address_gen_mode_from_string(const char *s) _pure_;
#include "string-table.h"
#include "sysctl-util.h"
-#define STABLE_SECRET_APP_ID_1 SD_ID128_MAKE(aa,05,1d,94,43,68,45,07,b9,73,f1,e8,e4,b7,34,52)
-#define STABLE_SECRET_APP_ID_2 SD_ID128_MAKE(52,c4,40,a0,9f,2f,48,58,a9,3a,f6,29,25,ba,7a,7d)
-
static int link_update_ipv6_sysctl(Link *link) {
assert(link);
return sysctl_write_ip_property_uint32(AF_INET6, link->ifname, "mtu", mtu);
}
-static int link_set_ipv6ll_stable_secret(Link *link) {
- _cleanup_free_ char *str = NULL;
- struct in6_addr a;
- int r;
-
- assert(link);
- assert(link->network);
-
- if (link->network->ipv6ll_address_gen_mode != IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY)
- return 0;
-
- if (in6_addr_is_set(&link->network->ipv6ll_stable_secret))
- a = link->network->ipv6ll_stable_secret;
- else {
- sd_id128_t key;
- le64_t v;
-
- /* Generate a stable secret address from machine-ID and the interface name. */
-
- r = sd_id128_get_machine_app_specific(STABLE_SECRET_APP_ID_1, &key);
- if (r < 0)
- return log_link_debug_errno(link, r, "Failed to generate key: %m");
-
- v = htole64(siphash24_string(link->ifname, key.bytes));
- memcpy(a.s6_addr, &v, sizeof(v));
-
- r = sd_id128_get_machine_app_specific(STABLE_SECRET_APP_ID_2, &key);
- if (r < 0)
- return log_link_debug_errno(link, r, "Failed to generate key: %m");
-
- v = htole64(siphash24_string(link->ifname, key.bytes));
- assert_cc(sizeof(v) * 2 == sizeof(a.s6_addr));
- memcpy(a.s6_addr + sizeof(v), &v, sizeof(v));
- }
-
- r = in6_addr_to_string(&a, &str);
- if (r < 0)
- return r;
-
- return sysctl_write_ip_property(AF_INET6, link->ifname, "stable_secret", str);
-}
-
static int link_set_ipv4_accept_local(Link *link) {
assert(link);