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Date: Tue, 26 Jun 2018 20:21:38 +0200
From: Matthias Schiffer <mschiffer@...verse-factory.net>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] sys/socket.h: fix SO_PEERSEC value on MIPS

On 06/25/2018 07:52 PM, Matthias Schiffer wrote:
> On 06/24/2018 05:30 PM, Rich Felker wrote:
>> On Sun, Jun 24, 2018 at 05:18:39PM +0200, Matthias Schiffer wrote:
>>> Differing from all other archs supported by musl, MIPS defines SO_PEERSEC
>>> to 30 instead of 31.
>>>
>>> Reported-by: Andrey Jr. Mlenikov <temnota.am@...il.com>
>>> ---
>>>  arch/mips/bits/socket.h    | 2 ++
>>>  arch/mips64/bits/socket.h  | 2 ++
>>>  arch/mipsn32/bits/socket.h | 2 ++
>>>  include/sys/socket.h       | 3 +++
>>>  4 files changed, 9 insertions(+)
>>>
>>> diff --git a/arch/mips/bits/socket.h b/arch/mips/bits/socket.h
>>> index 191ebdb5a418..39c42b822ac3 100644
>>> --- a/arch/mips/bits/socket.h
>>> +++ b/arch/mips/bits/socket.h
>>> @@ -48,5 +48,7 @@ struct cmsghdr {
>>>  #define SO_SNDBUFFORCE  31
>>>  #define SO_RCVBUFFORCE  33
>>>  
>>> +#define SO_PEERSEC      30
>>> +
>>>  #define SOCK_NONBLOCK     0200
>>>  #define SOCK_CLOEXEC  02000000
>>> diff --git a/arch/mips64/bits/socket.h b/arch/mips64/bits/socket.h
>>> index cf801797beb0..39b764df4c62 100644
>>> --- a/arch/mips64/bits/socket.h
>>> +++ b/arch/mips64/bits/socket.h
>>> @@ -64,5 +64,7 @@ struct cmsghdr {
>>>  #define SO_SNDBUFFORCE  31
>>>  #define SO_RCVBUFFORCE  33
>>>  
>>> +#define SO_PEERSEC      30
>>> +
>>>  #define SOCK_NONBLOCK     0200
>>>  #define SOCK_CLOEXEC  02000000
>>> diff --git a/arch/mipsn32/bits/socket.h b/arch/mipsn32/bits/socket.h
>>> index 191ebdb5a418..39c42b822ac3 100644
>>> --- a/arch/mipsn32/bits/socket.h
>>> +++ b/arch/mipsn32/bits/socket.h
>>> @@ -48,5 +48,7 @@ struct cmsghdr {
>>>  #define SO_SNDBUFFORCE  31
>>>  #define SO_RCVBUFFORCE  33
>>>  
>>> +#define SO_PEERSEC      30
>>> +
>>>  #define SOCK_NONBLOCK     0200
>>>  #define SOCK_CLOEXEC  02000000
>>> diff --git a/include/sys/socket.h b/include/sys/socket.h
>>> index 507da5cc2a40..6b6cf2fc3988 100644
>>> --- a/include/sys/socket.h
>>> +++ b/include/sys/socket.h
>>> @@ -203,7 +203,10 @@ struct linger {
>>>  #define SO_TIMESTAMP            29
>>>  #define SCM_TIMESTAMP           SO_TIMESTAMP
>>>  
>>> +#ifndef SO_PEERSEC
>>>  #define SO_PEERSEC              31
>>> +#endif
>>> +
>>>  #define SO_PASSSEC              34
>>>  #define SO_TIMESTAMPNS          35
>>>  #define SCM_TIMESTAMPNS         SO_TIMESTAMPNS
>>> -- 
>>> 2.18.0
>>
>> Should we perhaps do this under the SO_DEBUG conditional like all the
>> other SO_* that vary by arch? Doing so would require adding
>> definitions to the other weird archs (ibm ones) but might be cleaner
>> in the top-level header -- I'm not sure.
>>
>> Rich
>>
> 
> 
> That would actually make sense. I did not research what SO_PEERSEC even is
> before I sent the patch; only know I noticed that both the constants
> defined under SO_DEBUG and the others below the #endif are SOL_SOCKET, so
> it would be more consistent to move it under SO_DEBUG as well.
> 
> Matthias
> 

Should I send an updated patch, or are you going to fix it up yourself?

Matthias



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