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d484ff154c
Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. CC: Paul Moore <paul@paul-moore.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
/*
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* NetLabel NETLINK Interface
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*
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* This file defines the NETLINK interface for the NetLabel system. The
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* NetLabel system manages static and dynamic label mappings for network
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* protocols such as CIPSO and RIPSO.
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*
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* Author: Paul Moore <paul@paul-moore.com>
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*
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*/
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/*
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* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/list.h>
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#include <linux/socket.h>
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#include <linux/audit.h>
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#include <linux/tty.h>
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#include <linux/security.h>
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#include <linux/gfp.h>
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#include <net/sock.h>
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#include <net/netlink.h>
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#include <net/genetlink.h>
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#include <net/netlabel.h>
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#include <asm/bug.h>
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#include "netlabel_mgmt.h"
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#include "netlabel_unlabeled.h"
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#include "netlabel_cipso_v4.h"
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#include "netlabel_user.h"
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/*
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* NetLabel NETLINK Setup Functions
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*/
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/**
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* netlbl_netlink_init - Initialize the NETLINK communication channel
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*
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* Description:
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* Call out to the NetLabel components so they can register their families and
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* commands with the Generic NETLINK mechanism. Returns zero on success and
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* non-zero on failure.
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*
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*/
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int __init netlbl_netlink_init(void)
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{
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int ret_val;
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ret_val = netlbl_mgmt_genl_init();
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if (ret_val != 0)
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return ret_val;
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ret_val = netlbl_cipsov4_genl_init();
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if (ret_val != 0)
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return ret_val;
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ret_val = netlbl_unlabel_genl_init();
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if (ret_val != 0)
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return ret_val;
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return 0;
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}
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/*
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* NetLabel Audit Functions
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*/
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/**
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* netlbl_audit_start_common - Start an audit message
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* @type: audit message type
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* @audit_info: NetLabel audit information
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*
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* Description:
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* Start an audit message using the type specified in @type and fill the audit
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* message with some fields common to all NetLabel audit messages. Returns
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* a pointer to the audit buffer on success, NULL on failure.
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*
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*/
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struct audit_buffer *netlbl_audit_start_common(int type,
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struct netlbl_audit *audit_info)
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{
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struct audit_buffer *audit_buf;
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char *secctx;
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u32 secctx_len;
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if (audit_enabled == 0)
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return NULL;
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audit_buf = audit_log_start(current->audit_context, GFP_ATOMIC, type);
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if (audit_buf == NULL)
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return NULL;
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audit_log_format(audit_buf, "netlabel: auid=%u ses=%u",
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from_kuid(&init_user_ns, audit_info->loginuid),
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audit_info->sessionid);
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if (audit_info->secid != 0 &&
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security_secid_to_secctx(audit_info->secid,
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&secctx,
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&secctx_len) == 0) {
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audit_log_format(audit_buf, " subj=%s", secctx);
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security_release_secctx(secctx, secctx_len);
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}
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return audit_buf;
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}
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