pflocal: Make io_stat allocate inode id

We may not have io_identity called before io_stat, and programs like
diff rely on inode numbers being different for different files.

* pflocal/io.c (S_io_stat): Allocate socket id if not already allocated.

1 files changed, 6 insertions, 1 deletions

diff --git a/pflocal/io.c b/pflocal/io.c
index 2a6b104c..4c79ec9f 100644
--- a/pflocal/io.c
+++ b/pflocal/io.c
@@ -324,7 +324,7 @@ S_io_stat (struct sock_user *user, struct stat *st)
   st->st_fstype = FSTYPE_SOCKET;
   st->st_mode = sock->mode;
   st->st_fsid = getpid ();
-  st->st_ino = sock->id;
+
   /* As we try to be clever with large transfers, ask for them. */
   st->st_blksize = vm_page_size * 16;
   st->st_uid = sock->uid;
@@ -332,6 +332,11 @@ S_io_stat (struct sock_user *user, struct stat *st)
 
   pthread_mutex_lock (&sock->lock);	/* Make sure the pipes don't go away...  */
 
+  if (sock->id == MACH_PORT_NULL)
+    mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE,
+				&sock->id);
+  st->st_ino = sock->id;
+
   rpipe = sock->read_pipe;
   wpipe = sock->write_pipe;