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Fixed UDP multicast receive filtering (multicast should only be received when bound to ANY or the destination multicast address)

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This commit is contained in:
goldsimon 2015-08-28 10:24:02 +02:00
parent 43b18b20cc
commit 367ac04ed8
1 changed files with 2 additions and 2 deletions
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4
src/core/udp.c
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@ -258,7 +258,7 @@ udp_input(struct pbuf *p, struct netif *inp)
((!broadcast && ip_addr_isany(&pcb->local_ip)) ||
ip_addr_cmp(&pcb->local_ip, ip_current_dest_addr()) ||
#if LWIP_IGMP
ip_addr_ismulticast(ip_current_dest_addr()) ||
(ip_addr_isany(&pcb->local_ip) && ip_addr_ismulticast(ip_current_dest_addr())) ||
#endif /* LWIP_IGMP */
#if IP_SOF_BROADCAST_RECV
(broadcast && ip_get_option(pcb, SOF_BROADCAST) &&
@ -394,7 +394,7 @@ udp_input(struct pbuf *p, struct netif *inp)
((!broadcast && ip_addr_isany(&mpcb->local_ip)) ||
ip_addr_cmp(&mpcb->local_ip, ip_current_dest_addr()) ||
#if LWIP_IGMP
ip_addr_ismulticast(ip_current_dest_addr()) ||
(ip_addr_isany(&pcb->local_ip) && ip_addr_ismulticast(ip_current_dest_addr())) ||
#endif /* LWIP_IGMP */
#if IP_SOF_BROADCAST_RECV
(broadcast && ip_get_option(mpcb, SOF_BROADCAST)))))) {