netdev - [PATCH 4/6] Export the udp sock's security context to proc.

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Message-ID: <1312874910-31010-5-git-send-email-rongqing.li@windriver.com>
Date:	Tue, 9 Aug 2011 15:28:28 +0800
From:	<rongqing.li@...driver.com>
To:	<netdev@...r.kernel.org>, <selinux@...ho.nsa.gov>,
	<linux-security-module@...r.kernel.org>, <sds@...ho.nsa.gov>
Subject: [PATCH 4/6] Export the udp sock's security context to proc.

From: Roy.Li <rongqing.li@...driver.com>

Export the udp sock's security context to proc, since it maybe
different from the sock's owner process security context.

Signed-off-by: Roy.Li <rongqing.li@...driver.com>
---
 net/ipv4/udp.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 1b5a193..6a1aff9 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2102,21 +2102,23 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
 		0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
 		atomic_read(&sp->sk_refcnt), sp,
 		atomic_read(&sp->sk_drops), len);
+
+	*len += sock_write_secctx(sp, f);
 }
 
 int udp4_seq_show(struct seq_file *seq, void *v)
 {
 	if (v == SEQ_START_TOKEN)
-		seq_printf(seq, "%-127s\n",
+		seq_printf(seq, "%-150s\n",
 			   "  sl  local_address rem_address   st tx_queue "
 			   "rx_queue tr tm->when retrnsmt   uid  timeout "
-			   "inode ref pointer drops");
+			   "inode ref pointer drops seclabel");
 	else {
 		struct udp_iter_state *state = seq->private;
 		int len;
 
 		udp4_format_sock(v, seq, state->bucket, &len);
-		seq_printf(seq, "%*s\n", 127 - len, "");
+		seq_printf(seq, "%*s\n", (150 - len) > 0 ? 150 - len : 0, "");
 	}
 	return 0;
 }
-- 
1.7.1

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