Commit d13fda85 authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

userns: Convert net/ax25 to use kuid_t where appropriate 



Cc: Ralf Baechle <ralf@linux-mips.org>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Acked-by: default avatarSerge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
parent 523a6a94

include/net/ax25.h

+2 −2
Original line number Diff line number Diff line
@@ -157,7 +157,7 @@ enum { 
typedef struct ax25_uid_assoc {

	struct hlist_node	uid_node;

	atomic_t		refcount;

	uid_t			uid;

	kuid_t			uid;

	ax25_address		call;

} ax25_uid_assoc;
@@ -434,7 +434,7 @@ extern unsigned long ax25_display_timer(struct timer_list *); 


/* ax25_uid.c */

extern int  ax25_uid_policy;

extern ax25_uid_assoc *ax25_findbyuid(uid_t);

extern ax25_uid_assoc *ax25_findbyuid(kuid_t);

extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);

extern const struct file_operations ax25_uid_fops;

extern void ax25_uid_free(void);

init/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -952,7 +952,6 @@ config UIDGID_CONVERTED 
	depends on NET_KEY = n

	depends on INET_DIAG = n

	depends on DNS_RESOLVER = n

	depends on AX25 = n



	# Filesystems

	depends on USB_GADGETFS = n

net/ax25/ax25_uid.c

+14 −7
Original line number Diff line number Diff line
@@ -51,14 +51,14 @@ int ax25_uid_policy; 


EXPORT_SYMBOL(ax25_uid_policy);



ax25_uid_assoc *ax25_findbyuid(uid_t uid)

ax25_uid_assoc *ax25_findbyuid(kuid_t uid)

{

	ax25_uid_assoc *ax25_uid, *res = NULL;

	struct hlist_node *node;



	read_lock(&ax25_uid_lock);

	ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {

		if (ax25_uid->uid == uid) {

		if (uid_eq(ax25_uid->uid, uid)) {

			ax25_uid_hold(ax25_uid);

			res = ax25_uid;

			break;
@@ -84,7 +84,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) 
		read_lock(&ax25_uid_lock);

		ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {

			if (ax25cmp(&sax->sax25_call, &ax25_uid->call) == 0) {

				res = ax25_uid->uid;

				res = from_kuid_munged(current_user_ns(), ax25_uid->uid);

				break;

			}

		}
@@ -93,9 +93,14 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) 
		return res;



	case SIOCAX25ADDUID:

	{

		kuid_t sax25_kuid;

		if (!capable(CAP_NET_ADMIN))

			return -EPERM;

		user = ax25_findbyuid(sax->sax25_uid);

		sax25_kuid = make_kuid(current_user_ns(), sax->sax25_uid);

		if (!uid_valid(sax25_kuid))

			return -EINVAL;

		user = ax25_findbyuid(sax25_kuid);

		if (user) {

			ax25_uid_put(user);

			return -EEXIST;
@@ -106,7 +111,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) 
			return -ENOMEM;



		atomic_set(&ax25_uid->refcount, 1);

		ax25_uid->uid  = sax->sax25_uid;

		ax25_uid->uid  = sax25_kuid;

		ax25_uid->call = sax->sax25_call;



		write_lock(&ax25_uid_lock);
@@ -114,7 +119,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) 
		write_unlock(&ax25_uid_lock);



		return 0;



	}

	case SIOCAX25DELUID:

		if (!capable(CAP_NET_ADMIN))

			return -EPERM;
@@ -172,7 +177,9 @@ static int ax25_uid_seq_show(struct seq_file *seq, void *v) 
		struct ax25_uid_assoc *pt;



		pt = hlist_entry(v, struct ax25_uid_assoc, uid_node);

		seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(buf, &pt->call));

		seq_printf(seq, "%6d %s\n",

			from_kuid_munged(seq_user_ns(seq), pt->uid),

			ax2asc(buf, &pt->call));

	}

	return 0;

}