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original_kernel/security/integrity/evm/evm_posix_acl.c

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evm: posix acls modify i_mode The posix xattr acls are 'system' prefixed, which normally would not affect security.evm. An interesting side affect of writing posix xattr acls is their modifying of the i_mode, which is included in security.evm. This patch updates security.evm when posix xattr acls are written. Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
2011-08-19 06:07:44 +08:00
/*
* Copyright (C) 2011 IBM Corporation
*
* Author:
* Mimi Zohar <zohar@us.ibm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*/
#include <linux/xattr.h>
ima: fix script messages Fix checkpatch, lindent, etc, warnings/errors Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-10-10 14:56:13 +08:00
#include <linux/evm.h>
evm: posix acls modify i_mode The posix xattr acls are 'system' prefixed, which normally would not affect security.evm. An interesting side affect of writing posix xattr acls is their modifying of the i_mode, which is included in security.evm. This patch updates security.evm when posix xattr acls are written. Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
2011-08-19 06:07:44 +08:00
ima: fix script messages Fix checkpatch, lindent, etc, warnings/errors Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-10-10 14:56:13 +08:00
int posix_xattr_acl(const char *xattr)
evm: posix acls modify i_mode The posix xattr acls are 'system' prefixed, which normally would not affect security.evm. An interesting side affect of writing posix xattr acls is their modifying of the i_mode, which is included in security.evm. This patch updates security.evm when posix xattr acls are written. Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
2011-08-19 06:07:44 +08:00
{
int xattr_len = strlen(xattr);
if ((strlen(XATTR_NAME_POSIX_ACL_ACCESS) == xattr_len)
&& (strncmp(XATTR_NAME_POSIX_ACL_ACCESS, xattr, xattr_len) == 0))
return 1;
if ((strlen(XATTR_NAME_POSIX_ACL_DEFAULT) == xattr_len)
&& (strncmp(XATTR_NAME_POSIX_ACL_DEFAULT, xattr, xattr_len) == 0))
return 1;
return 0;
}