Revision 4309e092421e08f411830b2675bc1538a9b90e9b authored by Linus Torvalds on 19 August 2008, 16:59:02 UTC, committed by Linus Torvalds on 19 August 2008, 16:59:02 UTC
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (94 commits) pkt_sched: Prevent livelock in TX queue running. Revert "pkt_sched: Add BH protection for qdisc_stab_lock." Revert "pkt_sched: Protect gen estimators under est_lock." pkt_sched: remove bogus block (cleanup) nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomization netfilter: ctnetlink: sleepable allocation with spin lock bh netfilter: ctnetlink: fix sleep in read-side lock section netfilter: ctnetlink: fix double helper assignation for NAT'ed conntracks netfilter: ipt_addrtype: Fix matching of inverted destination address type dccp: Fix panic caused by too early termination of retransmission mechanism pkt_sched: Don't hold qdisc lock over qdisc_destroy(). pkt_sched: Add lockdep annotation for qdisc locks pkt_sched: Never schedule non-root qdiscs. removed unused #include <version.h> rt2x00: Fix txdone_entry_desc_flags b43: Fix for another Bluetooth Coexistence SPROM Programming error for BCM4306 mac80211: remove kdoc references to IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE p54u: reset skb's data/tail pointer on requeue p54: move p54_vdcf_init to the right place. iwlwifi: fix printk newlines ...
xattr_trusted.c
/*
* linux/fs/ext2/xattr_trusted.c
* Handler for trusted extended attributes.
*
* Copyright (C) 2003 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
*/
#include <linux/module.h>
#include <linux/string.h>
#include <linux/capability.h>
#include <linux/fs.h>
#include <linux/ext2_fs.h>
#include "xattr.h"
static size_t
ext2_xattr_trusted_list(struct inode *inode, char *list, size_t list_size,
const char *name, size_t name_len)
{
const int prefix_len = XATTR_TRUSTED_PREFIX_LEN;
const size_t total_len = prefix_len + name_len + 1;
if (!capable(CAP_SYS_ADMIN))
return 0;
if (list && total_len <= list_size) {
memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len);
memcpy(list+prefix_len, name, name_len);
list[prefix_len + name_len] = '\0';
}
return total_len;
}
static int
ext2_xattr_trusted_get(struct inode *inode, const char *name,
void *buffer, size_t size)
{
if (strcmp(name, "") == 0)
return -EINVAL;
return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name,
buffer, size);
}
static int
ext2_xattr_trusted_set(struct inode *inode, const char *name,
const void *value, size_t size, int flags)
{
if (strcmp(name, "") == 0)
return -EINVAL;
return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name,
value, size, flags);
}
struct xattr_handler ext2_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.list = ext2_xattr_trusted_list,
.get = ext2_xattr_trusted_get,
.set = ext2_xattr_trusted_set,
};
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