[lwip-devel] [bug #29970] DHCP endian issues parsing option responses (w/ patch)

[Matt Darland]

URL:
  <http://savannah.nongnu.org/bugs/?29970>

                 Summary: DHCP endian issues parsing option responses (w/
patch)
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: mdarland
            Submitted on: Wed 26 May 2010 02:34:52 PM GMT
                Category: IPv4
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: CVS Head

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Details:

DHCP options parsing makes assumptions about endianess that are incorrect and
leads to faulty options parsing. In particular, reading a raw byte sequence
directly into a u32_t* and then reading the integer as a 1-byte value does not
work for all platforms. Attached is the patch.





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File Attachments:


-------------------------------------------------------
Date: Wed 26 May 2010 02:34:52 PM GMT  Name: dhcp.c.diff  Size: 2kB   By:
mdarland
Patch against CVS head dhcp.c
<http://savannah.nongnu.org/bugs/download.php?file_id=20627>

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