tree 18cc5c8135b50eb42f0fe7583ee81e4b571d7e99
parent 1864435759305800aeda41fc3e37baceb5762116
author Vernon Mauery <vernon.mauery@linux.intel.com> 1545174998 -0800
committer Vernon Mauery <vernon.mauery@linux.intel.com> 1545174998 -0800

obmc-console-server: bind/connect with the correct sockaddr size

Abstract unix sockets start with the nul-charater, but are not nul
terminated. In fact, the nul-character has no meaning in the path.
According to the man page unix(7),

abstract:  an abstract socket address is distinguished (from a pathname
           socket) by the fact that sun_path[0] is a null byte ('\0').
           The socket's address in  this  namespace is  given by the
           additional bytes in sun_path that are covered by the
           specified length of the address structure.  (Null bytes in
           the name have no special significance.)

This means that when calling bind/connect, the size of the sockaddr
structure is not sizeof(sockaddr_un), it is sizeof(sockaddr_un) -
sizeof(sun_path) + (path_len)

Change-Id: I6560ba8b2a25a60644873adf66f02a60ded42b1d
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>