Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 1 | /* |
| 2 | * NetLabel NETLINK Interface |
| 3 | * |
| 4 | * This file defines the NETLINK interface for the NetLabel system. The |
| 5 | * NetLabel system manages static and dynamic label mappings for network |
| 6 | * protocols such as CIPSO and RIPSO. |
| 7 | * |
| 8 | * Author: Paul Moore <paul.moore@hp.com> |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | /* |
| 13 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License as published by |
| 17 | * the Free Software Foundation; either version 2 of the License, or |
| 18 | * (at your option) any later version. |
| 19 | * |
| 20 | * This program is distributed in the hope that it will be useful, |
| 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 23 | * the GNU General Public License for more details. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License |
| 26 | * along with this program; if not, write to the Free Software |
| 27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 28 | * |
| 29 | */ |
| 30 | |
| 31 | #ifndef _NETLABEL_USER_H |
| 32 | #define _NETLABEL_USER_H |
| 33 | |
Paul Moore | 7a0e1d6 | 2006-08-29 17:56:04 -0700 | [diff] [blame] | 34 | #include <linux/types.h> |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 35 | #include <linux/skbuff.h> |
| 36 | #include <linux/capability.h> |
Paul Moore | 32f50cd | 2006-09-28 14:51:47 -0700 | [diff] [blame] | 37 | #include <linux/audit.h> |
Paul Moore | 7a0e1d6 | 2006-08-29 17:56:04 -0700 | [diff] [blame] | 38 | #include <net/netlink.h> |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 39 | #include <net/genetlink.h> |
Paul Moore | 7a0e1d6 | 2006-08-29 17:56:04 -0700 | [diff] [blame] | 40 | #include <net/netlabel.h> |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 41 | |
| 42 | /* NetLabel NETLINK helper functions */ |
| 43 | |
| 44 | /** |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 45 | * netlbl_netlink_hdr_put - Write the NETLINK buffers into a sk_buff |
| 46 | * @skb: the packet |
| 47 | * @pid: the PID of the receipient |
| 48 | * @seq: the sequence number |
| 49 | * @type: the generic NETLINK message family type |
| 50 | * @cmd: command |
| 51 | * |
| 52 | * Description: |
| 53 | * Write both a NETLINK nlmsghdr structure and a Generic NETLINK genlmsghdr |
| 54 | * struct to the packet. Returns a pointer to the start of the payload buffer |
| 55 | * on success or NULL on failure. |
| 56 | * |
| 57 | */ |
| 58 | static inline void *netlbl_netlink_hdr_put(struct sk_buff *skb, |
| 59 | u32 pid, |
| 60 | u32 seq, |
| 61 | int type, |
Paul Moore | fcd4828 | 2006-09-25 15:56:09 -0700 | [diff] [blame] | 62 | int flags, |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 63 | u8 cmd) |
| 64 | { |
| 65 | return genlmsg_put(skb, |
| 66 | pid, |
| 67 | seq, |
| 68 | type, |
| 69 | 0, |
Paul Moore | fcd4828 | 2006-09-25 15:56:09 -0700 | [diff] [blame] | 70 | flags, |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 71 | cmd, |
| 72 | NETLBL_PROTO_VERSION); |
| 73 | } |
| 74 | |
Paul Moore | 95d4e6b | 2006-09-29 17:05:05 -0700 | [diff] [blame^] | 75 | /** |
| 76 | * netlbl_netlink_auditinfo - Fetch the audit information from a NETLINK msg |
| 77 | * @skb: the packet |
| 78 | * @audit_info: NetLabel audit information |
| 79 | */ |
| 80 | static inline void netlbl_netlink_auditinfo(struct sk_buff *skb, |
| 81 | struct netlbl_audit *audit_info) |
| 82 | { |
| 83 | audit_info->secid = NETLINK_CB(skb).sid; |
| 84 | audit_info->loginuid = NETLINK_CB(skb).loginuid; |
| 85 | } |
| 86 | |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 87 | /* NetLabel NETLINK I/O functions */ |
| 88 | |
| 89 | int netlbl_netlink_init(void); |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 90 | |
Paul Moore | 32f50cd | 2006-09-28 14:51:47 -0700 | [diff] [blame] | 91 | /* NetLabel Audit Functions */ |
| 92 | |
Paul Moore | 95d4e6b | 2006-09-29 17:05:05 -0700 | [diff] [blame^] | 93 | struct audit_buffer *netlbl_audit_start_common(int type, |
| 94 | struct netlbl_audit *audit_info); |
Paul Moore | 32f50cd | 2006-09-28 14:51:47 -0700 | [diff] [blame] | 95 | |
Paul Moore | d15c345 | 2006-08-03 16:48:37 -0700 | [diff] [blame] | 96 | #endif |