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bug#23068: 25.1.50; unix socket address in abstract namespace


From: Andreas Schwab
Subject: bug#23068: 25.1.50; unix socket address in abstract namespace
Date: Sun, 20 Mar 2016 18:39:02 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.92 (gnu/linux)

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> Mark Oteiza <mvoteiza@udel.edu> writes:
>
>> and I'm able to connect to it otherwise. The above elisp does:
>>
>>   socket(PF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC, 0) = 8
>>   connect(8, {sa_family=AF_LOCAL, sun_path=@""}, 110) = -1
>> ECONNREFUSED (Connection refused)
>>   close(8) 
>
> Yeah, this code in conv_lisp_to_sockaddr doesn't look very correct:
>
>   else if (STRINGP (address))
>     {
> #ifdef HAVE_LOCAL_SOCKETS
>       if (family == AF_LOCAL)
>       {
>         struct sockaddr_un *sockun = (struct sockaddr_un *) sa;
>         cp = SDATA (address);
>         for (i = 0; i < sizeof (sockun->sun_path) && *cp; i++)
>           sockun->sun_path[i] = *cp++;

This also needs to encode the string in one way.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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