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Re: [PATCH] Implement getsockopt (fd, SOL_SOCKET, SO_TYPE, ...)


From: Emilio Pozuelo Monfort
Subject: Re: [PATCH] Implement getsockopt (fd, SOL_SOCKET, SO_TYPE, ...)
Date: Sat, 17 Jul 2010 12:49:31 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.10) Gecko/20100619 Icedove/3.0.5

This fixed Carl and Samuel's comments. I haven't retested since the changes are
trivial.

Cheers,
Emilio

>From 6892a23b4387eab9cde63fa86a04b3e7efd615cf Mon Sep 17 00:00:00 2001
From: Emilio Pozuelo Monfort <address@hidden>
Date: Wed, 14 Jul 2010 18:40:36 +0200
Subject: [PATCH] Implement getsockopt (fd, SOL_SOCKET, SO_TYPE)

        * pflocal/socket.c (S_socket_getopt): Add SO_TYPE support.
        (S_socket_setopt): Fix return value.
---
 pflocal/socket.c |   49 ++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 44 insertions(+), 5 deletions(-)

diff --git a/pflocal/socket.c b/pflocal/socket.c
index 06777ca..544bffe 100644
--- a/pflocal/socket.c
+++ b/pflocal/socket.c
@@ -1,6 +1,6 @@
 /* Socket-specific operations

-   Copyright (C) 1995, 2008 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2008, 2010 Free Software Foundation, Inc.

    Written by Miles Bader <address@hidden>

@@ -410,20 +410,59 @@ S_socket_recv (struct sock_user *user,

   return err;
 }
-

-/* Stubs for currently unsupported rpcs.  */

 error_t
 S_socket_getopt (struct sock_user *user,
                 int level, int opt,
                 char **value, size_t *value_len)
 {
-  return EOPNOTSUPP;
+  int ret = 0;
+
+  if (!user)
+    return EOPNOTSUPP;
+
+  mutex_lock (&user->sock->lock);
+  switch (level)
+    {
+    case SOL_SOCKET:
+      switch (opt)
+       {
+       case SO_TYPE:
+         assert (*value_len >= sizeof (int));
+         *(int*)*value = user->sock->pipe_class->sock_type;
+         *value_len = sizeof (int);
+         break;
+       default:
+         ret = ENOPROTOOPT;
+         break;
+       }
+      break;
+    default:
+      ret = ENOPROTOOPT;
+      break;
+    }
+  mutex_unlock (&user->sock->lock);
+
+  return ret;
 }

 error_t
 S_socket_setopt (struct sock_user *user,
                 int level, int opt, char *value, size_t value_len)
 {
-  return EOPNOTSUPP;
+  int ret = 0;
+
+  if (!user)
+    return EOPNOTSUPP;
+
+  mutex_lock (&user->sock->lock);
+  switch (level)
+    {
+    default:
+      ret = ENOPROTOOPT;
+      break;
+    }
+  mutex_unlock (&user->sock->lock);
+
+  return ret;
 }
-- 
1.7.1



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