1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * NetLabel CALIPSO Support
5 * This file defines the CALIPSO functions for the NetLabel system. The
6 * NetLabel system manages static and dynamic label mappings for network
7 * protocols such as CIPSO and RIPSO.
9 * Authors: Paul Moore <paul@paul-moore.com>
10 * Huw Davies <huw@codeweavers.com>
13 /* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
14 * (c) Copyright Huw Davies <huw@codeweavers.com>, 2015
17 #ifndef _NETLABEL_CALIPSO
18 #define _NETLABEL_CALIPSO
20 #include <net/netlabel.h>
21 #include <net/calipso.h>
23 /* The following NetLabel payloads are supported by the CALIPSO subsystem.
26 * Sent by an application to add a new DOI mapping table.
28 * Required attributes:
31 * NLBL_CALIPSO_A_MTYPE
33 * If using CALIPSO_MAP_PASS no additional attributes are required.
36 * Sent by an application to remove a specific DOI mapping table from the
39 * Required attributes:
44 * Sent by an application to list the details of a DOI definition. On
45 * success the kernel should send a response using the following format.
47 * Required attributes:
51 * The valid response message format depends on the type of the DOI mapping,
52 * the defined formats are shown below.
54 * Required attributes:
56 * NLBL_CALIPSO_A_MTYPE
58 * If using CALIPSO_MAP_PASS no additional attributes are required.
61 * This message is sent by an application to list the valid DOIs on the
62 * system. When sent by an application there is no payload and the
63 * NLM_F_DUMP flag should be set. The kernel should respond with a series of
64 * the following messages.
66 * Required attributes:
69 * NLBL_CALIPSO_A_MTYPE
73 /* NetLabel CALIPSO commands */
75 NLBL_CALIPSO_C_UNSPEC,
77 NLBL_CALIPSO_C_REMOVE,
79 NLBL_CALIPSO_C_LISTALL,
83 /* NetLabel CALIPSO attributes */
85 NLBL_CALIPSO_A_UNSPEC,
91 * the mapping table type (defined in the calipso.h header as
96 #define NLBL_CALIPSO_A_MAX (__NLBL_CALIPSO_A_MAX - 1)
98 /* NetLabel protocol functions */
99 #if IS_ENABLED(CONFIG_IPV6)
100 int netlbl_calipso_genl_init(void);
102 static inline int netlbl_calipso_genl_init(void)
108 int calipso_doi_add(struct calipso_doi *doi_def,
109 struct netlbl_audit *audit_info);
110 void calipso_doi_free(struct calipso_doi *doi_def);
111 int calipso_doi_remove(u32 doi, struct netlbl_audit *audit_info);
112 struct calipso_doi *calipso_doi_getdef(u32 doi);
113 void calipso_doi_putdef(struct calipso_doi *doi_def);
114 int calipso_doi_walk(u32 *skip_cnt,
115 int (*callback)(struct calipso_doi *doi_def, void *arg),
117 int calipso_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr);
118 int calipso_sock_setattr(struct sock *sk,
119 const struct calipso_doi *doi_def,
120 const struct netlbl_lsm_secattr *secattr);
121 void calipso_sock_delattr(struct sock *sk);
122 int calipso_req_setattr(struct request_sock *req,
123 const struct calipso_doi *doi_def,
124 const struct netlbl_lsm_secattr *secattr);
125 void calipso_req_delattr(struct request_sock *req);
126 unsigned char *calipso_optptr(const struct sk_buff *skb);
127 int calipso_getattr(const unsigned char *calipso,
128 struct netlbl_lsm_secattr *secattr);
129 int calipso_skbuff_setattr(struct sk_buff *skb,
130 const struct calipso_doi *doi_def,
131 const struct netlbl_lsm_secattr *secattr);
132 int calipso_skbuff_delattr(struct sk_buff *skb);
133 void calipso_cache_invalidate(void);
134 int calipso_cache_add(const unsigned char *calipso_ptr,
135 const struct netlbl_lsm_secattr *secattr);