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192.168.1.100 / T103 / 1f884588077ad3476b9c91cbb0ee9ee0332bbb68 / . / src / connectivity / libipsecims / utils_xfrm.h
blob: 60d519aab4488b84c7bac0a264f0e691761b13f4 [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +0800[diff] [blame^]1#ifndef __UTILS_XFRM_H__
2#define __UTILS_XFRM_H__ 1
3#include <string.h>
4#include <asm/types.h>
5#include <linux/netlink.h>
6#include <linux/rtnetlink.h>
7#include <linux/if_link.h>
8#include <linux/if_addr.h>
9#include <linux/neighbour.h>
10#include <cutils/properties.h>
11#include <asm/types.h>
12#include <stdlib.h>
13#include <arpa/inet.h>
14#include <linux/xfrm.h>
15
16
17//#define NLMSG_DELETEALL_BUF_SIZE (4096-512)
18#define NLMSG_DELETEALL_BUF_SIZE 8192
19
20/*
21 * Receiving buffer defines:
22 * nlmsg
23 * data = struct xfrm_userpolicy_info
24 * rtattr
25 * data = struct xfrm_user_tmpl[]
26 */
27#define NLMSG_BUF_SIZE 4096
28#define RTA_BUF_SIZE 2048
29#define XFRM_TMPLS_BUF_SIZE 1024
30#define CTX_BUF_SIZE 256
31#define XFRM_ALGO_KEY_BUF_SIZE 512
32
33#undef NLMSG_TAIL
34#define NLMSG_TAIL(nmsg) \
35 ((struct rtattr *) (((char *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
36
37#define XFRM_POLICY_ERROR 255
38enum PROTOCOL_TYPE{
39 PROTOCOL_ICMP=1,
40 PROTOCOL_IPV4=4,
41 PROTOCOL_TCP=6,
42 PROTOCOL_UDP=17,
43 PROTOCOL_IPV6=41,
44 PROTOCOL_GRE=47,
45 PROTOCOL_ESP=50,
46 PROTOCOL_AH=51,
47 PROTOCOL_ICMPV6=58,
48 PROTOCOL_IPCOMP=108,
49 PROTOCOL_L2TP=115
50};
51
52struct rtnl_handle_xfrm
53{
54 int fd;
55 struct sockaddr_nl local;
56 struct sockaddr_nl peer;
57 __u32 seq;
58 __u32 dump;
59};
60
61struct req_handle_xfrm {
62 struct nlmsghdr n;
63 struct xfrm_userpolicy_info xpinfo;
64 char buf[RTA_BUF_SIZE];
65 } ;
66
67typedef struct
68{
69 __u8 family;
70 __u8 bytelen;
71 __s16 bitlen;
72 __u32 flags;
73 __u32 data[8];
74} inet_prefix;
75
76#define PREFIXLEN_SPECIFIED 1
77
78static inline __u32 nl_mgrp_xfrm(__u32 group)
79{
80 if (group > 31 ) {
81 //ALOGD("Use setsockopt for this group %d\n", group);
82 return -1;
83 }
84 return group ? (1 << (group - 1)) : 0;
85}
86
87
88extern int mask2bits(__u32 netmask_xfrm);
89extern int get_netmask(unsigned *val_xfrm, const char *arg_xfrm, int base_xfrm);
90extern int get_unsigned(unsigned *val_xfrm, const char *arg_xfrm, int base_xfrm);
91extern int get_u32(__u32 *val_xfrm, const char *arg_xfrm, int base_xfrm);
92extern int get_u8(__u8 *val_xfrm, const char *arg_xfrm, int base_xfrm);
93extern int get_addr_ipv4(__u8 *ap_xfrm, const char *cp_xfrm);
94extern int get_addr_1(inet_prefix *addr_xfrm, const char *name_xfrm, int family);
95extern int get_prefix(inet_prefix *dst_xfrm, char *arg_xfrm, int family);
96
97
98
99typedef int (*rtnl_filter_t_xfrm)(struct rtnl_handle_xfrm * rth,struct nlmsghdr *n);
100
101extern int xfrm_policy_process_delete_exist( struct rtnl_handle_xfrm * rth,struct nlmsghdr *n, pid_t volte_pid);
102extern int xfrm_state_process_delete_exist( struct rtnl_handle_xfrm * rth,struct nlmsghdr *n, pid_t volte_pid);
103
104extern void rtnl_close_xfrm(struct rtnl_handle_xfrm *rth);
105extern int rtnl_open_byproto_xfrm(struct rtnl_handle_xfrm *rth, unsigned subscriptions,
106 int protocol);
107extern int rtnl_listen_xfrm(struct rtnl_handle_xfrm *rtnl, rtnl_filter_t_xfrm handler);
108extern int rtnl_accept_msg_xfrm(struct rtnl_handle_xfrm * rth,struct nlmsghdr *n);
109#endif /* __UTILS_XFRM_H__ */