diff options
Diffstat (limited to 'src/libsystemd-network/dhcp-identifier.h')
| -rw-r--r-- | src/libsystemd-network/dhcp-identifier.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/libsystemd-network/dhcp-identifier.h b/src/libsystemd-network/dhcp-identifier.h index 31f461abd1..802a0d6bc2 100644 --- a/src/libsystemd-network/dhcp-identifier.h +++ b/src/libsystemd-network/dhcp-identifier.h @@ -25,32 +25,42 @@ #include "sparse-endian.h" #include "unaligned.h" +typedef enum DUIDType { + DUID_TYPE_LLT = 1, + DUID_TYPE_EN = 2, + DUID_TYPE_LL = 3, + DUID_TYPE_UUID = 4, + _DUID_TYPE_MAX, + _DUID_TYPE_INVALID = -1, +} DUIDType; + /* RFC 3315 section 9.1: * A DUID can be no more than 128 octets long (not including the type code). */ #define MAX_DUID_LEN 128 +/* https://tools.ietf.org/html/rfc3315#section-9.1 */ struct duid { - uint16_t type; + 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 { @@ -59,5 +69,6 @@ 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); |