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Date:	Sat, 6 Oct 2001 21:32:30 +1100
From:	"Alexandr V. Shutko" <AVShutko AT mail DOT khstu DOT ru>
X-Mailer:	The Bat! (v1.48c) Personal
Reply-To:	"Alexandr V.Shutko" <AVShutko AT mail DOT khstu DOT ru>
Organization:	KhSTU
X-Priority:	3 (Normal)
Message-ID:	<195206633413.20011006213230@mail.khstu.ru>
To:	cygwin AT cygwin DOT com
Subject:	BUG in sendto() function
Mime-Version:	1.0

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hello cygwin,

I think there is a bug in your networking code. Sendto can't send
packet to AF_UNIX socket reporting "Addresses in the specified family
cannot be used with this socket").

Socket is creating with this code:

####################################################################################
  if ((incoming_pipe_fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0)
  {
     LOG_SYS(0,("ERROR: Can't create unix domain socket for IPC pipe...\n"));
     exit(EXIT_ERROR_FATAL);
  }
  
  bzero((char*)&ip_serv_addr, sizeof(ip_serv_addr));
  ip_serv_addr.sun_family = AF_UNIX;
  snprintf(ip_serv_addr.sun_path, sizeof(ip_serv_addr.sun_path)-1,
           "%s/pipe_inc.%u", lp_var_path(), lp_udp_port());
           
  DEBUG(90, ("Binding pipe socket to: %s\n", ip_serv_addr.sun_path));
  
  ip_saddrlen = sizeof(ip_serv_addr.sun_family) + strlen(ip_serv_addr.sun_path)+1;

  if (unlink(ip_serv_addr.sun_path) == 0)
  {
     LOG_SYS(0, ("Init: Unix socket (incoming) exist: unclean shutdown?...\n"));
  }

  if (bind(incoming_pipe_fd, (struct sockaddr *)&ip_serv_addr, ip_saddrlen) < 0)
  {
     LOG_SYS(0, ("ERROR: Can't bind pipe socket to special file...\n"));
     exit(EXIT_ERROR_FATAL);
  }
  
  chmod(ip_serv_addr.sun_path, 0600);
}
####################################################################################

I included information about my system.
This code works fine on FreeBSD, Linux, Solaris, Irix.

-- 
With respect,
Alexandr V. Shutko                           mailto:AVShutko AT mail DOT khstu DOT ru
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