diff options
author | tmarkwalder <tmark@isc.org> | 2017-05-03 09:28:12 -0400 |
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committer | tmarkwalder <tmark@isc.org> | 2017-05-03 09:28:12 -0400 |
commit | 1d7fceeb40c13e085da05722ca7a275e35a16b5a (patch) | |
tree | 9b9f531a20e14082e46f1df26b16278070edc388 /client | |
parent | 2f5fefd3a806d9f4387200b0e0bf6dd9a6b9f85b (diff) | |
download | isc-dhcp-1d7fceeb40c13e085da05722ca7a275e35a16b5a.tar.gz |
[master] dhclient now enforces require options statement in -6 mode
Merges in rt41473.
Diffstat (limited to 'client')
-rw-r--r-- | client/dhc6.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/client/dhc6.c b/client/dhc6.c index be604ac9..f7cc90fe 100644 --- a/client/dhc6.c +++ b/client/dhc6.c @@ -141,6 +141,8 @@ static isc_result_t dhc6_check_status(isc_result_t rval, struct option_state *options, const char *scope, unsigned *code); +static int dhc6_score_lease(struct client_state *client, + struct dhc6_lease *lease); extern int onetry; extern int stateless; @@ -3133,6 +3135,15 @@ init_handler(struct packet *packet, struct client_state *client) return; } + int lease_score = dhc6_score_lease(client, lease); +#ifdef ENFORCE_DHCPV6_CLIENT_REQUIRE + if (lease_score == 0) { + log_debug("RCV:Advertised lease scored 0, toss it."); + dhc6_lease_destroy(&lease, MDL); + return; + } +#endif + insert_lease(&client->advertised_leases, lease); /* According to RFC3315 section 17.1.2, the client MUST wait for @@ -3146,8 +3157,7 @@ init_handler(struct packet *packet, struct client_state *client) * should not if the advertise contains less than one IA and address. */ if ((client->txcount > 1) || - ((lease->pref == 255) && - (dhc6_score_lease(client, lease) > SCORE_MIN))) { + ((lease->pref == 255) && (lease_score > SCORE_MIN))) { log_debug("RCV: Advertisement immediately selected."); cancel_timeout(do_init6, client); start_selecting6(client); |