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authorTom Gundersen <teg@jklm.no>2015-10-06 15:04:42 +0200
committerTom Gundersen <teg@jklm.no>2015-10-06 17:47:00 +0200
commit0cb3c286883b694fc52a18a3b559ff98931641f3 (patch)
treef8c3cf9104b3ea8fc180bd1de1e72119dfe4524e /src/libsystemd-network/sd-dhcp-server.c
parent8c60d978bd3453659bfa7f4d90a17ba5fa3e0774 (diff)
siphash24: unify API
Make the API of the new helpers more similar to the old wrapper. In particular we now return the hash as a byte string to avoid any endianness problems.
Diffstat (limited to 'src/libsystemd-network/sd-dhcp-server.c')
-rw-r--r--src/libsystemd-network/sd-dhcp-server.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c
index d941e6c0de..d27bb561ca 100644
--- a/src/libsystemd-network/sd-dhcp-server.c
+++ b/src/libsystemd-network/sd-dhcp-server.c
@@ -741,15 +741,17 @@ int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message,
address = existing_lease->address;
else {
struct siphash state;
+ uint64_t hash;
uint32_t next_offer;
/* even with no persistence of leases, we try to offer the same client
the same IP address. we do this by using the hash of the client id
as the offset into the pool of leases when finding the next free one */
- siphash_init(&state, HASH_KEY.bytes);
+ siphash24_init(&state, HASH_KEY.bytes);
client_id_hash_func(&req->client_id, &state);
- next_offer = siphash24_finalize(&state) % server->pool_size;
+ siphash24_finalize((uint8_t*)&hash, &state);
+ next_offer = hash % server->pool_size;
for (i = 0; i < server->pool_size; i++) {
if (!server->bound_leases[next_offer]) {