As requested in RFC 3315 chapter 15.1, a client MUST leave
the transaction ID unchanged in retransmissions of a message.
---
gdhcp/client.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/gdhcp/client.c b/gdhcp/client.c
index ec1cdec..71983ce 100644
--- a/gdhcp/client.c
+++ b/gdhcp/client.c
@@ -816,9 +816,15 @@ static int send_dhcpv6_msg(GDHCPClient *dhcp_client, int
type, char *msg)
init_packet(dhcp_client, packet, type);
- dhcp_client->xid = packet->transaction_id[0] << 16 |
- packet->transaction_id[1] << 8 |
- packet->transaction_id[2];
+ if (dhcp_client->retransmit == FALSE)
+ dhcp_client->xid = packet->transaction_id[0] << 16 |
+ packet->transaction_id[1] << 8 |
+ packet->transaction_id[2];
+ else {
+ packet->transaction_id[0] = dhcp_client->xid >> 16;
+ packet->transaction_id[1] = dhcp_client->xid >> 8 ;
+ packet->transaction_id[2] = dhcp_client->xid;
+ }
debug(dhcp_client, "sending DHCPv6 %s message xid 0x%04x", msg,
dhcp_client->xid);
--
1.7.11.7
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