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Diffstat (limited to 'src/libsystemd-network/dhcp-identifier.h')
-rw-r--r--src/libsystemd-network/dhcp-identifier.h41
1 files changed, 6 insertions, 35 deletions
diff --git a/src/libsystemd-network/dhcp-identifier.h b/src/libsystemd-network/dhcp-identifier.h
index e6486b78f8..dd0f926f90 100644
--- a/src/libsystemd-network/dhcp-identifier.h
+++ b/src/libsystemd-network/dhcp-identifier.h
@@ -40,27 +40,28 @@ typedef enum DUIDType {
*/
#define MAX_DUID_LEN 128
+/* https://tools.ietf.org/html/rfc3315#section-9.1 */
struct duid {
be16_t type;
union {
struct {
- /* DHCP6_DUID_LLT */
+ /* DUID_TYPE_LLT */
uint16_t htype;
uint32_t time;
uint8_t haddr[0];
} _packed_ llt;
struct {
- /* DHCP6_DUID_EN */
+ /* DUID_TYPE_EN */
uint32_t pen;
uint8_t id[8];
} _packed_ en;
struct {
- /* DHCP6_DUID_LL */
+ /* DUID_TYPE_LL */
int16_t htype;
uint8_t haddr[0];
} _packed_ ll;
struct {
- /* DHCP6_DUID_UUID */
+ /* DUID_TYPE_UUID */
sd_id128_t uuid;
} _packed_ uuid;
struct {
@@ -69,36 +70,6 @@ struct duid {
};
} _packed_;
+int dhcp_validate_duid_len(uint16_t duid_type, size_t duid_len);
int dhcp_identifier_set_duid_en(struct duid *duid, size_t *len);
int dhcp_identifier_set_iaid(int ifindex, uint8_t *mac, size_t mac_len, void *_id);
-
-static inline int dhcp_validate_duid_len(uint16_t duid_type, size_t duid_len) {
- struct duid d;
-
- assert(duid_len > 0);
-
- switch (duid_type) {
- case DUID_TYPE_LLT:
- if (duid_len <= sizeof(d.llt))
- return -EINVAL;
- break;
- case DUID_TYPE_EN:
- if (duid_len != sizeof(d.en))
- return -EINVAL;
- break;
- case DUID_TYPE_LL:
- if (duid_len <= sizeof(d.ll))
- return -EINVAL;
- break;
- case DUID_TYPE_UUID:
- if (duid_len != sizeof(d.uuid))
- return -EINVAL;
- break;
- default:
- if (duid_len > sizeof(d.raw))
- return -EINVAL;
- /* accept unknown type in order to be forward compatible */
- break;
- }
- return 0;
-}