[lwip-devel] [bug #47952] ping_recv() does not work with IPv4

[Andrey Butok]

URL:
  <http://savannah.nongnu.org/bugs/?47952>

                 Summary: ping_recv() does not work with IPv4
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: butok
            Submitted on: Wed 18 May 2016 07:20:29 AM GMT
                Category: Contrib
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: git head

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Details:

Hello,

contrib\apps\ping\ping.c
line 168:
    if (from.sin_family == AF_INET) {
        LWIP_DEBUGF( PING_DEBUG, ("ping: invalid sin_family\n"));
      }

It causes ("ping: invalid sin_family\n") message for IPv4, what is wrang.

It should be something like this (if supported/tested only IPv4):
      if (from.sin_family != AF_INET) {
        /* So far, supported only IPv4*/
        LWIP_DEBUGF( PING_DEBUG, ("ping: invalid sin_family\n"));
      }

Best regards,
Andrey Butok




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