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DECLINE message was unicast instead of broadcast

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likewise
2004-11-25 11:10:53 +00:00
parent bb87d19e84
commit fab107a9df
3 changed files with 18 additions and 5 deletions
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6
src/core/dhcp.c
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@@ -679,8 +679,10 @@ static err_t dhcp_decline(struct netif *netif)
pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
udp_bind(dhcp->pcb, IP_ADDR_ANY, DHCP_CLIENT_PORT);
udp_connect(dhcp->pcb, &dhcp->server_ip_addr, DHCP_SERVER_PORT);
udp_send(dhcp->pcb, dhcp->p_out);
/* @todo: should we really connect here? we are performing sendto() */
udp_connect(dhcp->pcb, IP_ADDR_ANY, DHCP_SERVER_PORT);
/* per section 4.4.4, broadcast DECLINE messages */
udp_sendto(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT);
dhcp_delete_request(netif);
LWIP_DEBUGF(DHCP_DEBUG | DBG_TRACE | DBG_STATE, ("dhcp_decline: BACKING OFF\n"));
} else {