diff options
Diffstat (limited to 'src/libsystemd-network/dhcp-identifier.c')
| -rw-r--r-- | src/libsystemd-network/dhcp-identifier.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/libsystemd-network/dhcp-identifier.c b/src/libsystemd-network/dhcp-identifier.c index f8e6cb6ea9..d7ae865557 100644 --- a/src/libsystemd-network/dhcp-identifier.c +++ b/src/libsystemd-network/dhcp-identifier.c @@ -19,11 +19,11 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ +#include "libudev.h" #include "sd-id128.h" #include "dhcp-identifier.h" #include "dhcp6-protocol.h" -#include "libudev.h" #include "network-internal.h" #include "siphash24.h" #include "sparse-endian.h" @@ -52,7 +52,7 @@ int dhcp_identifier_set_duid_en(struct duid *duid, size_t *len) { /* a bit of snake-oil perhaps, but no need to expose the machine-id directly; duid->en.id might not be aligned, so we need to copy */ - siphash24(&hash, &machine_id, sizeof(machine_id), HASH_KEY.bytes); + hash = htole64(siphash24(&machine_id, sizeof(machine_id), HASH_KEY.bytes)); memcpy(duid->en.id, &hash, sizeof(duid->en.id)); return 0; @@ -86,10 +86,12 @@ int dhcp_identifier_set_iaid(int ifindex, uint8_t *mac, size_t mac_len, void *_i } if (name) - siphash24(&id, name, strlen(name), HASH_KEY.bytes); + id = siphash24(name, strlen(name), HASH_KEY.bytes); else /* fall back to MAC address if no predictable name available */ - siphash24(&id, mac, mac_len, HASH_KEY.bytes); + id = siphash24(mac, mac_len, HASH_KEY.bytes); + + id = htole64(id); /* fold into 32 bits */ unaligned_write_be32(_id, (id & 0xffffffff) ^ (id >> 32)); |