/*
 * linux/fs/ext4/xattr_security.c
 * Handler for storing security labels as extended attributes.
 */

#include <linux/string.h>
#include <linux/fs.h>
#include <linux/security.h>
#include <linux/slab.h>
#include "ext4_jbd2.h"
#include "ext4.h"
#include "xattr.h"

static int
ext4_xattr_security_get(const struct xattr_handler *handler,
			struct dentry *unused, struct inode *inode,
			const char *name, void *buffer, size_t size)
{
	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_SECURITY,
			      name, buffer, size);
}

static int
ext4_xattr_security_set(const struct xattr_handler *handler,
			struct dentry *unused, struct inode *inode,
			const char *name, const void *value,
			size_t size, int flags)
{
	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_SECURITY,
			      name, value, size, flags);
}

static int
ext4_initxattrs(struct inode *inode, const struct xattr *xattr_array,
		void *fs_info)
{
	const struct xattr *xattr;
	handle_t *handle = fs_info;
	int err = 0;

	for (xattr = xattr_array; xattr->name != NULL; xattr++) {
		err = ext4_xattr_set_handle(handle, inode,
					    EXT4_XATTR_INDEX_SECURITY,
					    xattr->name, xattr->value,
					    xattr->value_len, 0);
		if (err < 0)
			break;
	}
	return err;
}

int
ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir,
		   const struct qstr *qstr)
{
	return security_inode_init_security(inode, dir, qstr,
					    &ext4_initxattrs, handle);
}

const struct xattr_handler ext4_xattr_security_handler = {
	.prefix	= XATTR_SECURITY_PREFIX,
	.get	= ext4_xattr_security_get,
	.set	= ext4_xattr_security_set,
};
d0632'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/include/trace/events/mce.h'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/mce.h?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/mce.h?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/mce.h?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/trace/events/mce.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/trace?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/trace/events?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>events</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/trace/events/mce.h?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632'>mce.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/trace/events/mce.h?id=e0215c1420262ee08b43ef7cb3dbd79c9f0d0632&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
ate-remove'/><input type='hidden' name='id' value='35eeacf1820a08305c2b0960febfa190f5a6dd63'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-11 02:31:11 -0500</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-11 02:31:11 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/auth_gss?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>35eeacf1820a08305c2b0960febfa190f5a6dd63</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/sunrpc/auth_gss?id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>f1227c7384ee01d3f029cc5f82223234e6456c5f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/sunrpc/auth_gss?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>net/sunrpc/auth_gss</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/auth_gss?h=nds-private-remove&amp;id=bed45f79a2afc9d7c279b880dfcac8f27d513b50'>bed45f79a2afc9d7c279b880dfcac8f27d513b50</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sunrpc/auth_gss?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63&amp;id2=bed45f79a2afc9d7c279b880dfcac8f27d513b50'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/auth_gss?h=nds-private-remove&amp;id=1ee18329fae936089c6c599250ae92482ff2b81f'>1ee18329fae936089c6c599250ae92482ff2b81f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sunrpc/auth_gss?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63&amp;id2=1ee18329fae936089c6c599250ae92482ff2b81f'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>Diffstat</a> (limited to 'net/sunrpc/auth_gss')</div><table summary='diffstat' class='diffstat'>