[lwip-devel] [bug #20180] Bug in netif.c (netif_set_ipaddr(...))

[Alexander Drozd]

URL:
  <http://savannah.nongnu.org/bugs/?20180>

                 Summary: Bug in  netif.c (netif_set_ipaddr(...))
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: alx_d
            Submitted on: Суббота 16.06.2007 at 00:47
                Category: None
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Bug in  netif.c (netif_set_ipaddr(...)):

    for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next)
{
      /* PCB bound to current local interface address? */
         
      if (ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr))) {
        /* The PCB is listening to the old ipaddr and
         * is set to listen to the new one instead */
        ip_addr_set(&(lpcb->local_ip), ipaddr);
      }
    }

Must be:

    for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next)
{
      /* PCB bound to current local interface address? */
         
        if ((!(ip_addr_isany(&(lpcb->local_ip)))) &&
(ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr)))) {
        /* The PCB is listening to the old ipaddr and
         * is set to listen to the new one instead */
        ip_addr_set(&(lpcb->local_ip), ipaddr);
      }
    }





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