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Don't reply to DHCPCONFIRM messages with no addresses in them.

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This commit is contained in:
Ilya Ponetaev
2014-09-13 21:11:16 +01:00
committed by Simon Kelley
parent 976afc93e4
commit 2d75f2e4a5
1 changed files with 7 additions and 0 deletions
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7
src/rfc3315.c
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@@ -1040,6 +1040,8 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_
case DHCP6CONFIRM: case DHCP6CONFIRM:
{ {
int good_addr = 0;
/* set reply message type */ /* set reply message type */
*outmsgtypep = DHCP6REPLY; *outmsgtypep = DHCP6REPLY;
@@ -1064,9 +1066,14 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_
return 1; return 1;
} }
good_addr = 1;
log6_quiet(state, "DHCPREPLY", req_addr, state->hostname); log6_quiet(state, "DHCPREPLY", req_addr, state->hostname);
} }
} }
/* No addresses, no reply: RFC 3315 18.2.2 */
if (!good_addr)
return 0;
o1 = new_opt6(OPTION6_STATUS_CODE); o1 = new_opt6(OPTION6_STATUS_CODE);
put_opt6_short(DHCP6SUCCESS ); put_opt6_short(DHCP6SUCCESS );