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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>
110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/*
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* NetLabel Domain Hash Table
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*
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* This file manages the domain hash table that NetLabel uses to determine
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* which network labeling protocol to use for a given domain. The NetLabel
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* system manages static and dynamic label mappings for network protocols such
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* 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, 2008
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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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#ifndef _NETLABEL_DOMAINHASH_H
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#define _NETLABEL_DOMAINHASH_H
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#include <linux/types.h>
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#include <linux/rcupdate.h>
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#include <linux/list.h>
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#include "netlabel_addrlist.h"
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/* Domain hash table size */
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/* XXX - currently this number is an uneducated guess */
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#define NETLBL_DOMHSH_BITSIZE 7
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/* Domain mapping definition structures */
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struct netlbl_domaddr_map {
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struct list_head list4;
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struct list_head list6;
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};
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struct netlbl_dommap_def {
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u32 type;
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union {
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struct netlbl_domaddr_map *addrsel;
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struct cipso_v4_doi *cipso;
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};
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};
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#define netlbl_domhsh_addr4_entry(iter) \
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container_of(iter, struct netlbl_domaddr4_map, list)
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struct netlbl_domaddr4_map {
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struct netlbl_dommap_def def;
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struct netlbl_af4list list;
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};
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#define netlbl_domhsh_addr6_entry(iter) \
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container_of(iter, struct netlbl_domaddr6_map, list)
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struct netlbl_domaddr6_map {
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struct netlbl_dommap_def def;
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struct netlbl_af6list list;
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};
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struct netlbl_dom_map {
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char *domain;
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struct netlbl_dommap_def def;
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u32 valid;
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struct list_head list;
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struct rcu_head rcu;
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};
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/* init function */
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int netlbl_domhsh_init(u32 size);
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/* Manipulate the domain hash table */
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int netlbl_domhsh_add(struct netlbl_dom_map *entry,
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struct netlbl_audit *audit_info);
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int netlbl_domhsh_add_default(struct netlbl_dom_map *entry,
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struct netlbl_audit *audit_info);
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int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry,
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struct netlbl_audit *audit_info);
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int netlbl_domhsh_remove_af4(const char *domain,
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const struct in_addr *addr,
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const struct in_addr *mask,
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struct netlbl_audit *audit_info);
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int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info);
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int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info);
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struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain);
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struct netlbl_dommap_def *netlbl_domhsh_getentry_af4(const char *domain,
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__be32 addr);
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#if IS_ENABLED(CONFIG_IPV6)
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struct netlbl_dommap_def *netlbl_domhsh_getentry_af6(const char *domain,
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const struct in6_addr *addr);
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#endif /* IPv6 */
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int netlbl_domhsh_walk(u32 *skip_bkt,
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u32 *skip_chain,
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int (*callback) (struct netlbl_dom_map *entry, void *arg),
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void *cb_arg);
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#endif
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