lwIP - A Lightweight TCP/IP stack - Bugs: bug #34072, UDP Broadcast is received from...
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bug #34072: UDP Broadcast is received from wrong UDP PCB if udp_port matches
Submitter: | Andreas Becker <abecker> | ||
Submitted: | Fri 19 Aug 2011 07:25:35 AM UTC | ||
Category: | UDP | Severity: | 3 - Normal |
Item Group: | Faulty Behaviour | Status: | Fixed |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | CVS Head |
Jump to the original submission
Fri 09 Sep 2011 08:31:16 PM UTC, comment #6: |
Simon Goldschmidt <goldsimon> |
Tue 30 Aug 2011 12:29:44 PM UTC, comment #5: I really dislike overlapping IP networks, and would not want lwIP to become less lightweight in order to support them. If we can fix this in a lightweight way that copes with non-overlapping IP networks I think that is sufficient. |
Kieran Mansley <kieranm> |
Mon 22 Aug 2011 07:10:07 AM UTC, comment #4: Hi Ivan,
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Andreas Becker <abecker> |
Fri 19 Aug 2011 04:08:46 PM UTC, comment #3: I think the netcmp would yield the same result, as this is used to accept a packet on a netif at IP layer. At the moment they both seem like OK solutions.
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Ivan Delamer <idelamer> |
Fri 19 Aug 2011 03:56:29 PM UTC, comment #2: Hi Ivan,
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Andreas Becker <abecker> |
Fri 19 Aug 2011 03:25:21 PM UTC, comment #1: I suggest adding an ip_addr_netcmp for broadcast packets in udp.c
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Ivan Delamer <idelamer> |
Fri 19 Aug 2011 07:25:35 AM UTC, original submission:
Hi folks,
|
Andreas Becker <abecker> |
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Follow 4 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2011-09-09 | goldsimon | Status | None | Fixed | |
Assigned to | None | goldsimon | |||
Open/Closed | Open | Closed | |||
Planned Release | 1.4.1 |
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Corresponding source code
Fixed as suggested in comment #1, since that works unless we want to support overlapping IP networks (which we don't, currently).
Thanks for reporting!