mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Eric W. Biederman" <ebiederm@xmission.com>
To: <netdev@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>,
	<containers@lists.linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	Serge Hallyn <serge@hallyn.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	"John W. Linville" <linville@tuxdriver.com>
Subject: [PATCH 20/21] userns: Make the airo wireless driver use kuids for proc uids and gids
Date: Mon, 13 Aug 2012 13:18:34 -0700	[thread overview]
Message-ID: <1344889115-21610-20-git-send-email-ebiederm@xmission.com> (raw)
In-Reply-To: <1344889115-21610-1-git-send-email-ebiederm@xmission.com>

From: "Eric W. Biederman" <ebiederm@xmission.com>

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/net/wireless/airo.c |   48 +++++++++++++++++++++++++-----------------
 init/Kconfig                |    2 -
 2 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index f9f15bb..c586f78 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -232,8 +232,10 @@ static int adhoc;
 
 static int probe = 1;
 
+static kuid_t proc_kuid;
 static int proc_uid /* = 0 */;
 
+static kgid_t proc_kgid;
 static int proc_gid /* = 0 */;
 
 static int airo_perm = 0555;
@@ -4499,78 +4501,79 @@ struct proc_data {
 static int setup_proc_entry( struct net_device *dev,
 			     struct airo_info *apriv ) {
 	struct proc_dir_entry *entry;
+
 	/* First setup the device directory */
 	strcpy(apriv->proc_name,dev->name);
 	apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
 					    airo_entry);
 	if (!apriv->proc_entry)
 		goto fail;
-	apriv->proc_entry->uid = proc_uid;
-	apriv->proc_entry->gid = proc_gid;
+	apriv->proc_entry->uid = proc_kuid;
+	apriv->proc_entry->gid = proc_kgid;
 
 	/* Setup the StatsDelta */
 	entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
 				 apriv->proc_entry, &proc_statsdelta_ops, dev);
 	if (!entry)
 		goto fail_stats_delta;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	/* Setup the Stats */
 	entry = proc_create_data("Stats", S_IRUGO & proc_perm,
 				 apriv->proc_entry, &proc_stats_ops, dev);
 	if (!entry)
 		goto fail_stats;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	/* Setup the Status */
 	entry = proc_create_data("Status", S_IRUGO & proc_perm,
 				 apriv->proc_entry, &proc_status_ops, dev);
 	if (!entry)
 		goto fail_status;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	/* Setup the Config */
 	entry = proc_create_data("Config", proc_perm,
 				 apriv->proc_entry, &proc_config_ops, dev);
 	if (!entry)
 		goto fail_config;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	/* Setup the SSID */
 	entry = proc_create_data("SSID", proc_perm,
 				 apriv->proc_entry, &proc_SSID_ops, dev);
 	if (!entry)
 		goto fail_ssid;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	/* Setup the APList */
 	entry = proc_create_data("APList", proc_perm,
 				 apriv->proc_entry, &proc_APList_ops, dev);
 	if (!entry)
 		goto fail_aplist;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	/* Setup the BSSList */
 	entry = proc_create_data("BSSList", proc_perm,
 				 apriv->proc_entry, &proc_BSSList_ops, dev);
 	if (!entry)
 		goto fail_bsslist;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	/* Setup the WepKey */
 	entry = proc_create_data("WepKey", proc_perm,
 				 apriv->proc_entry, &proc_wepkey_ops, dev);
 	if (!entry)
 		goto fail_wepkey;
-	entry->uid = proc_uid;
-	entry->gid = proc_gid;
+	entry->uid = proc_kuid;
+	entry->gid = proc_kgid;
 
 	return 0;
 
@@ -5697,11 +5700,16 @@ static int __init airo_init_module( void )
 {
 	int i;
 
+	proc_kuid = make_kuid(&init_user_ns, proc_uid);
+	proc_kgid = make_kgid(&init_user_ns, proc_gid);
+	if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
+		return -EINVAL;
+
 	airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
 
 	if (airo_entry) {
-		airo_entry->uid = proc_uid;
-		airo_entry->gid = proc_gid;
+		airo_entry->uid = proc_kuid;
+		airo_entry->gid = proc_kgid;
 	}
 
 	for (i = 0; i < 4 && io[i] && irq[i]; i++) {
diff --git a/init/Kconfig b/init/Kconfig
index 76ffca9..eac23a6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1003,8 +1003,6 @@ config UIDGID_CONVERTED
 	depends on !UML || HOSTFS = n
 
 	# The rare drivers that won't build
-	depends on AIRO = n
-	depends on AIRO_CS = n
 	depends on TUN = n
 	depends on INFINIBAND_QIB = n
 	depends on BLK_DEV_LOOP = n
-- 
1.7.5.4


  parent reply	other threads:[~2012-08-13 20:24 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87ehnav9n5.fsf@xmission.com>
2012-08-13 20:18 ` [PATCH 01/21] userns: Convert net/core/scm.c to use kuids and kgids Eric W. Biederman
2012-08-13 20:18   ` [PATCH 02/21] userns: Convert __dev_set_promiscuity to use kuids in audit logs Eric W. Biederman
2012-08-13 20:18   ` [PATCH 03/21] userns: Convert sock_i_uid to return a kuid_t Eric W. Biederman
2012-08-13 20:18   ` [PATCH 04/21] userns: Allow USER_NS and NET simultaneously in Kconfig Eric W. Biederman
2012-08-13 20:18   ` [PATCH 05/21] userns: Make seq_file's user namespace accessible Eric W. Biederman
2012-08-13 20:18   ` [PATCH 06/21] userns: Print out socket uids in a user namespace aware fashion Eric W. Biederman
2012-08-13 20:26     ` Rémi Denis-Courmont
2012-08-15  4:47       ` Eric W. Biederman
2012-08-15  3:22     ` Vlad Yasevich
2012-08-13 20:18   ` [PATCH 07/21] userns: Use kgids for sysctl_ping_group_range Eric W. Biederman
2012-08-20 18:09     ` Vasiliy Kulikov
2012-08-13 20:18   ` [PATCH 08/21] net ip6 flowlabel: Make owner a union of struct pid * and kuid_t Eric W. Biederman
2012-08-13 20:18   ` [PATCH 09/21] pidns: Export free_pid_ns Eric W. Biederman
2012-08-13 20:18   ` [PATCH 10/21] userns: Convert net/ax25 to use kuid_t where appropriate Eric W. Biederman
2012-08-13 20:18   ` [PATCH 11/21] netlink: Make the sending netlink socket availabe in NETLINK_CB Eric W. Biederman
2012-08-13 20:18   ` [PATCH 12/21] userns: Implement sk_user_ns Eric W. Biederman
2012-08-13 20:18   ` [PATCH 13/21] userns: Teach inet_diag to work with user namespaces Eric W. Biederman
2012-08-14  8:35     ` Pavel Emelyanov
2012-08-13 20:18   ` [PATCH 14/21] userns: nfnetlink_log: Report socket uids in the log sockets user namespace Eric W. Biederman
2012-08-13 20:18   ` [PATCH 15/21] net sched: Pass the skb into change so it can access NETLINK_CB Eric W. Biederman
2012-08-15  8:11     ` Jamal Hadi Salim
2012-08-13 20:18   ` [PATCH 16/21] userns: Convert cls_flow to work with user namespaces enabled Eric W. Biederman
2012-08-13 20:18   ` [PATCH 17/21] userns: Convert xt_LOG to print socket kuids and kgids as uids and gids Eric W. Biederman
2012-08-13 20:18   ` [PATCH 18/21] userns xt_recent: Specify the owner/group of ip_list_perms in the initial user namespace Eric W. Biederman
2012-08-13 20:18   ` [PATCH 19/21] userns: xt_owner: Add basic user namespace support Eric W. Biederman
2012-08-13 20:18   ` Eric W. Biederman [this message]
2012-08-13 20:18   ` [PATCH 21/21] userns: Convert tun/tap to use kuid and kgid where appropriate Eric W. Biederman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1344889115-21610-20-git-send-email-ebiederm@xmission.com \
    --to=ebiederm@xmission.com \
    --cc=adobriyan@gmail.com \
    --cc=containers@lists.linux-foundation.org \
    --cc=dan.carpenter@oracle.com \
    --cc=davem@davemloft.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linville@tuxdriver.com \
    --cc=netdev@vger.kernel.org \
    --cc=serge@hallyn.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®