- import of strongswan-2.7.0
- applied patch for charon
This commit is contained in:
Martin Willi
@@ -0,0 +1,90 @@
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#ifndef __LINUX_NETLINK_H
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#define __LINUX_NETLINK_H
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#include <stdint.h>
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#include <sys/socket.h> /* for sa_family_t */
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#define NETLINK_ROUTE 0 /* Routing/device hook */
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#define NETLINK_SKIP 1 /* Reserved for ENskip */
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#define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */
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#define NETLINK_FIREWALL 3 /* Firewalling hook */
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#define NETLINK_TCPDIAG 4 /* TCP socket monitoring */
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#define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */
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#define NETLINK_XFRM 6 /* ipsec */
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#define NETLINK_ARPD 8
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#define NETLINK_ROUTE6 11 /* af_inet6 route comm channel */
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#define NETLINK_IP6_FW 13
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#define NETLINK_DNRTMSG 14 /* DECnet routing messages */
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#define NETLINK_TAPBASE 16 /* 16 to 31 are ethertap */
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#define MAX_LINKS 32
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struct sockaddr_nl
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{
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sa_family_t nl_family; /* AF_NETLINK */
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unsigned short nl_pad; /* zero */
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uint32_t nl_pid; /* process pid */
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uint32_t nl_groups; /* multicast groups mask */
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};
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struct nlmsghdr
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{
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uint32_t nlmsg_len; /* Length of message including header */
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uint16_t nlmsg_type; /* Message content */
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uint16_t nlmsg_flags; /* Additional flags */
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uint32_t nlmsg_seq; /* Sequence number */
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uint32_t nlmsg_pid; /* Sending process PID */
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};
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/* Flags values */
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#define NLM_F_REQUEST 1 /* It is request message. */
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#define NLM_F_MULTI 2 /* Multipart message, terminated by NLMSG_DONE */
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#define NLM_F_ACK 4 /* Reply with ack, with zero or error code */
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#define NLM_F_ECHO 8 /* Echo this request */
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/* Modifiers to GET request */
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#define NLM_F_ROOT 0x100 /* specify tree root */
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#define NLM_F_MATCH 0x200 /* return all matching */
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#define NLM_F_ATOMIC 0x400 /* atomic GET */
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#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)
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/* Modifiers to NEW request */
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#define NLM_F_REPLACE 0x100 /* Override existing */
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#define NLM_F_EXCL 0x200 /* Do not touch, if it exists */
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#define NLM_F_CREATE 0x400 /* Create, if it does not exist */
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#define NLM_F_APPEND 0x800 /* Add to end of list */
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/*
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4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL
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4.4BSD CHANGE NLM_F_REPLACE
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True CHANGE NLM_F_CREATE|NLM_F_REPLACE
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Append NLM_F_CREATE
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Check NLM_F_EXCL
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*/
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#define NLMSG_ALIGNTO 4
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#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
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#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(sizeof(struct nlmsghdr)))
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#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
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#define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))
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#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
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(struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
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#define NLMSG_OK(nlh,len) ((len) > 0 && (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
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(nlh)->nlmsg_len <= (len))
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#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
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#define NLMSG_NOOP 0x1 /* Nothing. */
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#define NLMSG_ERROR 0x2 /* Error */
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#define NLMSG_DONE 0x3 /* End of a dump */
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#define NLMSG_OVERRUN 0x4 /* Data lost */
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struct nlmsgerr
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{
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int error;
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struct nlmsghdr msg;
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};
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#define NET_MAJOR 36 /* Major 36 is reserved for networking */
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#endif /* __LINUX_NETLINK_H */
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@@ -0,0 +1,562 @@
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#ifndef __LINUX_RTNETLINK_H
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#define __LINUX_RTNETLINK_H
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#include "netlink.h"
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#include <stdint.h>
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#define RTNL_DEBUG 1
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/****
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* Routing/neighbour discovery messages.
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****/
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/* Types of messages */
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#define RTM_BASE 0x10
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#define RTM_NEWLINK (RTM_BASE+0)
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#define RTM_DELLINK (RTM_BASE+1)
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#define RTM_GETLINK (RTM_BASE+2)
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#define RTM_SETLINK (RTM_BASE+3)
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#define RTM_NEWADDR (RTM_BASE+4)
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#define RTM_DELADDR (RTM_BASE+5)
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#define RTM_GETADDR (RTM_BASE+6)
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#define RTM_NEWROUTE (RTM_BASE+8)
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#define RTM_DELROUTE (RTM_BASE+9)
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#define RTM_GETROUTE (RTM_BASE+10)
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#define RTM_NEWNEIGH (RTM_BASE+12)
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#define RTM_DELNEIGH (RTM_BASE+13)
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#define RTM_GETNEIGH (RTM_BASE+14)
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#define RTM_NEWRULE (RTM_BASE+16)
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#define RTM_DELRULE (RTM_BASE+17)
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#define RTM_GETRULE (RTM_BASE+18)
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#define RTM_NEWQDISC (RTM_BASE+20)
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#define RTM_DELQDISC (RTM_BASE+21)
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#define RTM_GETQDISC (RTM_BASE+22)
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#define RTM_NEWTCLASS (RTM_BASE+24)
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#define RTM_DELTCLASS (RTM_BASE+25)
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#define RTM_GETTCLASS (RTM_BASE+26)
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#define RTM_NEWTFILTER (RTM_BASE+28)
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#define RTM_DELTFILTER (RTM_BASE+29)
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#define RTM_GETTFILTER (RTM_BASE+30)
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#define RTM_MAX (RTM_BASE+31)
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/*
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Generic structure for encapsulation optional route information.
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It is reminiscent of sockaddr, but with sa_family replaced
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with attribute type.
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*/
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struct rtattr
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{
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unsigned short rta_len;
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unsigned short rta_type;
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};
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/* Macros to handle rtattributes */
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#define RTA_ALIGNTO 4
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#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
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#define RTA_OK(rta,len) ((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \
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(rta)->rta_len <= (len))
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#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
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(struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
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#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
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#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
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#define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
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#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
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/******************************************************************************
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* Definitions used in routing table administation.
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****/
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struct rtmsg
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{
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unsigned char rtm_family;
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unsigned char rtm_dst_len;
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unsigned char rtm_src_len;
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unsigned char rtm_tos;
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unsigned char rtm_table; /* Routing table id */
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unsigned char rtm_protocol; /* Routing protocol; see below */
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unsigned char rtm_scope; /* See below */
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unsigned char rtm_type; /* See below */
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unsigned rtm_flags;
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};
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/* rtm_type */
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enum
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{
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RTN_UNSPEC,
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RTN_UNICAST, /* Gateway or direct route */
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RTN_LOCAL, /* Accept locally */
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RTN_BROADCAST, /* Accept locally as broadcast,
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send as broadcast */
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RTN_ANYCAST, /* Accept locally as broadcast,
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but send as unicast */
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RTN_MULTICAST, /* Multicast route */
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RTN_BLACKHOLE, /* Drop */
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RTN_UNREACHABLE, /* Destination is unreachable */
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RTN_PROHIBIT, /* Administratively prohibited */
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RTN_THROW, /* Not in this table */
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RTN_NAT, /* Translate this address */
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RTN_XRESOLVE, /* Use external resolver */
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};
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#define RTN_MAX RTN_XRESOLVE
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/* rtm_protocol */
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#define RTPROT_UNSPEC 0
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#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
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not used by current IPv4 */
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#define RTPROT_KERNEL 2 /* Route installed by kernel */
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#define RTPROT_BOOT 3 /* Route installed during boot */
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#define RTPROT_STATIC 4 /* Route installed by administrator */
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/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
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they just passed from user and back as is.
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It will be used by hypothetical multiple routing daemons.
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Note that protocol values should be standardized in order to
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avoid conflicts.
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*/
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#define RTPROT_GATED 8 /* Apparently, GateD */
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#define RTPROT_RA 9 /* RDISC/ND router advertisments */
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#define RTPROT_MRT 10 /* Merit MRT */
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#define RTPROT_ZEBRA 11 /* Zebra */
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#define RTPROT_BIRD 12 /* BIRD */
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#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
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/* rtm_scope
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Really it is not scope, but sort of distance to the destination.
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NOWHERE are reserved for not existing destinations, HOST is our
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local addresses, LINK are destinations, located on directly attached
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link and UNIVERSE is everywhere in the Universe.
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Intermediate values are also possible f.e. interior routes
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could be assigned a value between UNIVERSE and LINK.
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*/
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enum rt_scope_t
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{
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RT_SCOPE_UNIVERSE=0,
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/* User defined values */
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RT_SCOPE_SITE=200,
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RT_SCOPE_LINK=253,
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RT_SCOPE_HOST=254,
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RT_SCOPE_NOWHERE=255
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};
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/* rtm_flags */
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#define RTM_F_NOTIFY 0x100 /* Notify user of route change */
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#define RTM_F_CLONED 0x200 /* This route is cloned */
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#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */
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/* Reserved table identifiers */
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enum rt_class_t
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{
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RT_TABLE_UNSPEC=0,
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/* User defined values */
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RT_TABLE_DEFAULT=253,
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RT_TABLE_MAIN=254,
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RT_TABLE_LOCAL=255
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};
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#define RT_TABLE_MAX RT_TABLE_LOCAL
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/* Routing message attributes */
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enum rtattr_type_t
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{
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RTA_UNSPEC,
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RTA_DST,
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RTA_SRC,
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RTA_IIF,
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RTA_OIF,
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RTA_GATEWAY,
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RTA_PRIORITY,
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RTA_PREFSRC,
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RTA_METRICS,
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RTA_MULTIPATH,
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RTA_PROTOINFO,
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RTA_FLOW,
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RTA_CACHEINFO,
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RTA_SESSION,
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};
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#define RTA_MAX RTA_SESSION
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#define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
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#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
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/* RTM_MULTIPATH --- array of struct rtnexthop.
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*
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* "struct rtnexthop" describres all necessary nexthop information,
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* i.e. parameters of path to a destination via this nextop.
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*
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* At the moment it is impossible to set different prefsrc, mtu, window
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* and rtt for different paths from multipath.
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*/
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struct rtnexthop
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{
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unsigned short rtnh_len;
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unsigned char rtnh_flags;
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unsigned char rtnh_hops;
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int rtnh_ifindex;
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};
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/* rtnh_flags */
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#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */
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#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */
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#define RTNH_F_ONLINK 4 /* Gateway is forced on link */
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/* Macros to handle hexthops */
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#define RTNH_ALIGNTO 4
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#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
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#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
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((int)(rtnh)->rtnh_len) <= (len))
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#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
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#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
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#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
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#define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
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/* RTM_CACHEINFO */
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struct rta_cacheinfo
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{
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uint32_t rta_clntref;
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uint32_t rta_lastuse;
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int32_t rta_expires;
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uint32_t rta_error;
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uint32_t rta_used;
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#define RTNETLINK_HAVE_PEERINFO 1
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uint32_t rta_id;
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uint32_t rta_ts;
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uint32_t rta_tsage;
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};
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/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
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enum
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{
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RTAX_UNSPEC,
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#define RTAX_UNSPEC RTAX_UNSPEC
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RTAX_LOCK,
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#define RTAX_LOCK RTAX_LOCK
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RTAX_MTU,
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#define RTAX_MTU RTAX_MTU
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RTAX_WINDOW,
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#define RTAX_WINDOW RTAX_WINDOW
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RTAX_RTT,
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#define RTAX_RTT RTAX_RTT
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RTAX_RTTVAR,
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#define RTAX_RTTVAR RTAX_RTTVAR
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RTAX_SSTHRESH,
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#define RTAX_SSTHRESH RTAX_SSTHRESH
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RTAX_CWND,
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#define RTAX_CWND RTAX_CWND
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RTAX_ADVMSS,
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#define RTAX_ADVMSS RTAX_ADVMSS
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RTAX_REORDERING,
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#define RTAX_REORDERING RTAX_REORDERING
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};
|
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#define RTAX_MAX RTAX_REORDERING
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struct rta_session
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{
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uint8_t proto;
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|
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union {
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struct {
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uint16_t sport;
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uint16_t dport;
|
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} ports;
|
||||
|
||||
struct {
|
||||
uint8_t type;
|
||||
uint8_t code;
|
||||
uint16_t ident;
|
||||
} icmpt;
|
||||
|
||||
uint32_t spi;
|
||||
} u;
|
||||
};
|
||||
|
||||
|
||||
/*********************************************************
|
||||
* Interface address.
|
||||
****/
|
||||
|
||||
struct ifaddrmsg
|
||||
{
|
||||
unsigned char ifa_family;
|
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unsigned char ifa_prefixlen; /* The prefix length */
|
||||
unsigned char ifa_flags; /* Flags */
|
||||
unsigned char ifa_scope; /* See above */
|
||||
int ifa_index; /* Link index */
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
IFA_UNSPEC,
|
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IFA_ADDRESS,
|
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IFA_LOCAL,
|
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IFA_LABEL,
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IFA_BROADCAST,
|
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IFA_ANYCAST,
|
||||
IFA_CACHEINFO
|
||||
};
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||||
|
||||
#define IFA_MAX IFA_CACHEINFO
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||||
|
||||
/* ifa_flags */
|
||||
|
||||
#define IFA_F_SECONDARY 0x01
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#define IFA_F_TEMPORARY IFA_F_SECONDARY
|
||||
|
||||
#define IFA_F_DEPRECATED 0x20
|
||||
#define IFA_F_TENTATIVE 0x40
|
||||
#define IFA_F_PERMANENT 0x80
|
||||
|
||||
struct ifa_cacheinfo
|
||||
{
|
||||
int32_t ifa_prefered;
|
||||
int32_t ifa_valid;
|
||||
};
|
||||
|
||||
|
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#define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
|
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#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
|
||||
|
||||
/*
|
||||
Important comment:
|
||||
IFA_ADDRESS is prefix address, rather than local interface address.
|
||||
It makes no difference for normally configured broadcast interfaces,
|
||||
but for point-to-point IFA_ADDRESS is DESTINATION address,
|
||||
local address is supplied in IFA_LOCAL attribute.
|
||||
*/
|
||||
|
||||
/**************************************************************
|
||||
* Neighbour discovery.
|
||||
****/
|
||||
|
||||
struct ndmsg
|
||||
{
|
||||
unsigned char ndm_family;
|
||||
unsigned char ndm_pad1;
|
||||
unsigned short ndm_pad2;
|
||||
int ndm_ifindex; /* Link index */
|
||||
uint16_t ndm_state;
|
||||
uint8_t ndm_flags;
|
||||
uint8_t ndm_type;
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
NDA_UNSPEC,
|
||||
NDA_DST,
|
||||
NDA_LLADDR,
|
||||
NDA_CACHEINFO
|
||||
};
|
||||
|
||||
#define NDA_MAX NDA_CACHEINFO
|
||||
|
||||
#define NDA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg))))
|
||||
#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg))
|
||||
|
||||
/*
|
||||
* Neighbor Cache Entry Flags
|
||||
*/
|
||||
|
||||
#define NTF_PROXY 0x08 /* == ATF_PUBL */
|
||||
#define NTF_ROUTER 0x80
|
||||
|
||||
/*
|
||||
* Neighbor Cache Entry States.
|
||||
*/
|
||||
|
||||
#define NUD_INCOMPLETE 0x01
|
||||
#define NUD_REACHABLE 0x02
|
||||
#define NUD_STALE 0x04
|
||||
#define NUD_DELAY 0x08
|
||||
#define NUD_PROBE 0x10
|
||||
#define NUD_FAILED 0x20
|
||||
|
||||
/* Dummy states */
|
||||
#define NUD_NOARP 0x40
|
||||
#define NUD_PERMANENT 0x80
|
||||
#define NUD_NONE 0x00
|
||||
|
||||
|
||||
struct nda_cacheinfo
|
||||
{
|
||||
uint32_t ndm_confirmed;
|
||||
uint32_t ndm_used;
|
||||
uint32_t ndm_updated;
|
||||
uint32_t ndm_refcnt;
|
||||
};
|
||||
|
||||
/****
|
||||
* General form of address family dependent message.
|
||||
****/
|
||||
|
||||
struct rtgenmsg
|
||||
{
|
||||
unsigned char rtgen_family;
|
||||
};
|
||||
|
||||
/*****************************************************************
|
||||
* Link layer specific messages.
|
||||
****/
|
||||
|
||||
/* struct ifinfomsg
|
||||
* passes link level specific information, not dependent
|
||||
* on network protocol.
|
||||
*/
|
||||
|
||||
struct ifinfomsg
|
||||
{
|
||||
unsigned char ifi_family;
|
||||
unsigned char __ifi_pad;
|
||||
unsigned short ifi_type; /* ARPHRD_* */
|
||||
int ifi_index; /* Link index */
|
||||
unsigned ifi_flags; /* IFF_* flags */
|
||||
unsigned ifi_change; /* IFF_* change mask */
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
IFLA_UNSPEC,
|
||||
IFLA_ADDRESS,
|
||||
IFLA_BROADCAST,
|
||||
IFLA_IFNAME,
|
||||
IFLA_MTU,
|
||||
IFLA_LINK,
|
||||
IFLA_QDISC,
|
||||
IFLA_STATS,
|
||||
IFLA_COST,
|
||||
#define IFLA_COST IFLA_COST
|
||||
IFLA_PRIORITY,
|
||||
#define IFLA_PRIORITY IFLA_PRIORITY
|
||||
IFLA_MASTER,
|
||||
#define IFLA_MASTER IFLA_MASTER
|
||||
IFLA_WIRELESS, /* Wireless Extension event - see wireless.h */
|
||||
#define IFLA_WIRELESS IFLA_WIRELESS
|
||||
};
|
||||
|
||||
|
||||
#define IFLA_MAX IFLA_WIRELESS
|
||||
|
||||
#define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
|
||||
#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
|
||||
|
||||
/* ifi_flags.
|
||||
|
||||
IFF_* flags.
|
||||
|
||||
The only change is:
|
||||
IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are
|
||||
more not changeable by user. They describe link media
|
||||
characteristics and set by device driver.
|
||||
|
||||
Comments:
|
||||
- Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid
|
||||
- If neiher of these three flags are set;
|
||||
the interface is NBMA.
|
||||
|
||||
- IFF_MULTICAST does not mean anything special:
|
||||
multicasts can be used on all not-NBMA links.
|
||||
IFF_MULTICAST means that this media uses special encapsulation
|
||||
for multicast frames. Apparently, all IFF_POINTOPOINT and
|
||||
IFF_BROADCAST devices are able to use multicasts too.
|
||||
*/
|
||||
|
||||
/* IFLA_LINK.
|
||||
For usual devices it is equal ifi_index.
|
||||
If it is a "virtual interface" (f.e. tunnel), ifi_link
|
||||
can point to real physical interface (f.e. for bandwidth calculations),
|
||||
or maybe 0, what means, that real media is unknown (usual
|
||||
for IPIP tunnels, when route to endpoint is allowed to change)
|
||||
*/
|
||||
|
||||
/*****************************************************************
|
||||
* Traffic control messages.
|
||||
****/
|
||||
|
||||
struct tcmsg
|
||||
{
|
||||
unsigned char tcm_family;
|
||||
unsigned char tcm__pad1;
|
||||
unsigned short tcm__pad2;
|
||||
int tcm_ifindex;
|
||||
uint32_t tcm_handle;
|
||||
uint32_t tcm_parent;
|
||||
uint32_t tcm_info;
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
TCA_UNSPEC,
|
||||
TCA_KIND,
|
||||
TCA_OPTIONS,
|
||||
TCA_STATS,
|
||||
TCA_XSTATS,
|
||||
TCA_RATE,
|
||||
};
|
||||
|
||||
#define TCA_MAX TCA_RATE
|
||||
|
||||
#define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
|
||||
#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
|
||||
|
||||
|
||||
/* SUMMARY: maximal rtattr understood by kernel */
|
||||
|
||||
#define RTATTR_MAX RTA_MAX
|
||||
|
||||
/* RTnetlink multicast groups */
|
||||
|
||||
#define RTMGRP_LINK 1
|
||||
#define RTMGRP_NOTIFY 2
|
||||
#define RTMGRP_NEIGH 4
|
||||
#define RTMGRP_TC 8
|
||||
|
||||
#define RTMGRP_IPV4_IFADDR 0x10
|
||||
#define RTMGRP_IPV4_MROUTE 0x20
|
||||
#define RTMGRP_IPV4_ROUTE 0x40
|
||||
|
||||
#define RTMGRP_IPV6_IFADDR 0x100
|
||||
#define RTMGRP_IPV6_MROUTE 0x200
|
||||
#define RTMGRP_IPV6_ROUTE 0x400
|
||||
|
||||
#define RTMGRP_DECnet_IFADDR 0x1000
|
||||
#define RTMGRP_DECnet_ROUTE 0x4000
|
||||
|
||||
/* End of information exported to user level */
|
||||
|
||||
#endif /* __LINUX_RTNETLINK_H */
|
||||
@@ -0,0 +1,233 @@
|
||||
#ifndef _LINUX_XFRM_H
|
||||
#define _LINUX_XFRM_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
/* All of the structures in this file may not change size as they are
|
||||
* passed into the kernel from userspace via netlink sockets.
|
||||
*/
|
||||
|
||||
/* Structure to encapsulate addresses. I do not want to use
|
||||
* "standard" structure. My apologies.
|
||||
*/
|
||||
typedef union
|
||||
{
|
||||
uint32_t a4;
|
||||
uint32_t a6[4];
|
||||
} xfrm_address_t;
|
||||
|
||||
/* Ident of a specific xfrm_state. It is used on input to lookup
|
||||
* the state by (spi,daddr,ah/esp) or to store information about
|
||||
* spi, protocol and tunnel address on output.
|
||||
*/
|
||||
struct xfrm_id
|
||||
{
|
||||
xfrm_address_t daddr;
|
||||
uint32_t spi;
|
||||
uint8_t proto;
|
||||
};
|
||||
|
||||
/* Selector, used as selector both on policy rules (SPD) and SAs. */
|
||||
|
||||
struct xfrm_selector
|
||||
{
|
||||
xfrm_address_t daddr;
|
||||
xfrm_address_t saddr;
|
||||
uint16_t dport;
|
||||
uint16_t dport_mask;
|
||||
uint16_t sport;
|
||||
uint16_t sport_mask;
|
||||
uint16_t family;
|
||||
uint8_t prefixlen_d;
|
||||
uint8_t prefixlen_s;
|
||||
uint8_t proto;
|
||||
int ifindex;
|
||||
uid_t user;
|
||||
};
|
||||
|
||||
#define XFRM_INF (~(uint64_t)0)
|
||||
|
||||
struct xfrm_lifetime_cfg
|
||||
{
|
||||
uint64_t soft_byte_limit;
|
||||
uint64_t hard_byte_limit;
|
||||
uint64_t soft_packet_limit;
|
||||
uint64_t hard_packet_limit;
|
||||
uint64_t soft_add_expires_seconds;
|
||||
uint64_t hard_add_expires_seconds;
|
||||
uint64_t soft_use_expires_seconds;
|
||||
uint64_t hard_use_expires_seconds;
|
||||
};
|
||||
|
||||
struct xfrm_lifetime_cur
|
||||
{
|
||||
uint64_t bytes;
|
||||
uint64_t packets;
|
||||
uint64_t add_time;
|
||||
uint64_t use_time;
|
||||
};
|
||||
|
||||
struct xfrm_replay_state
|
||||
{
|
||||
uint32_t oseq;
|
||||
uint32_t seq;
|
||||
uint32_t bitmap;
|
||||
};
|
||||
|
||||
struct xfrm_algo {
|
||||
char alg_name[64];
|
||||
int alg_key_len; /* in bits */
|
||||
char alg_key[0];
|
||||
};
|
||||
|
||||
struct xfrm_stats {
|
||||
uint32_t replay_window;
|
||||
uint32_t replay;
|
||||
uint32_t integrity_failed;
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
XFRM_POLICY_IN = 0,
|
||||
XFRM_POLICY_OUT = 1,
|
||||
XFRM_POLICY_FWD = 2,
|
||||
XFRM_POLICY_MAX = 3
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
XFRM_SHARE_ANY, /* No limitations */
|
||||
XFRM_SHARE_SESSION, /* For this session only */
|
||||
XFRM_SHARE_USER, /* For this user only */
|
||||
XFRM_SHARE_UNIQUE /* Use once */
|
||||
};
|
||||
|
||||
/* Netlink configuration messages. */
|
||||
#define XFRM_MSG_BASE 0x10
|
||||
|
||||
#define XFRM_MSG_NEWSA (XFRM_MSG_BASE + 0)
|
||||
#define XFRM_MSG_DELSA (XFRM_MSG_BASE + 1)
|
||||
#define XFRM_MSG_GETSA (XFRM_MSG_BASE + 2)
|
||||
|
||||
#define XFRM_MSG_NEWPOLICY (XFRM_MSG_BASE + 3)
|
||||
#define XFRM_MSG_DELPOLICY (XFRM_MSG_BASE + 4)
|
||||
#define XFRM_MSG_GETPOLICY (XFRM_MSG_BASE + 5)
|
||||
|
||||
#define XFRM_MSG_ALLOCSPI (XFRM_MSG_BASE + 6)
|
||||
#define XFRM_MSG_ACQUIRE (XFRM_MSG_BASE + 7)
|
||||
#define XFRM_MSG_EXPIRE (XFRM_MSG_BASE + 8)
|
||||
|
||||
#define XFRM_MSG_UPDPOLICY (XFRM_MSG_BASE + 9)
|
||||
#define XFRM_MSG_UPDSA (XFRM_MSG_BASE + 10)
|
||||
|
||||
#define XFRM_MSG_POLEXPIRE (XFRM_MSG_BASE + 11)
|
||||
|
||||
#define XFRM_MSG_MAX (XFRM_MSG_POLEXPIRE+1)
|
||||
|
||||
struct xfrm_user_tmpl {
|
||||
struct xfrm_id id;
|
||||
uint16_t family;
|
||||
xfrm_address_t saddr;
|
||||
uint32_t reqid;
|
||||
uint8_t mode;
|
||||
uint8_t share;
|
||||
uint8_t optional;
|
||||
uint32_t aalgos;
|
||||
uint32_t ealgos;
|
||||
uint32_t calgos;
|
||||
};
|
||||
|
||||
struct xfrm_encap_tmpl {
|
||||
uint16_t encap_type;
|
||||
uint16_t encap_sport;
|
||||
uint16_t encap_dport;
|
||||
xfrm_address_t encap_oa;
|
||||
};
|
||||
|
||||
/* Netlink message attributes. */
|
||||
enum xfrm_attr_type_t {
|
||||
XFRMA_UNSPEC,
|
||||
XFRMA_ALG_AUTH, /* struct xfrm_algo */
|
||||
XFRMA_ALG_CRYPT, /* struct xfrm_algo */
|
||||
XFRMA_ALG_COMP, /* struct xfrm_algo */
|
||||
XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */
|
||||
XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */
|
||||
|
||||
#define XFRMA_MAX XFRMA_TMPL
|
||||
};
|
||||
|
||||
struct xfrm_usersa_info {
|
||||
struct xfrm_selector sel;
|
||||
struct xfrm_id id;
|
||||
xfrm_address_t saddr;
|
||||
struct xfrm_lifetime_cfg lft;
|
||||
struct xfrm_lifetime_cur curlft;
|
||||
struct xfrm_stats stats;
|
||||
uint32_t seq;
|
||||
uint32_t reqid;
|
||||
uint16_t family;
|
||||
uint8_t mode; /* 0=transport,1=tunnel */
|
||||
uint8_t replay_window;
|
||||
uint8_t flags;
|
||||
#define XFRM_STATE_NOECN 1
|
||||
};
|
||||
|
||||
struct xfrm_usersa_id {
|
||||
xfrm_address_t daddr;
|
||||
uint32_t spi;
|
||||
uint16_t family;
|
||||
uint8_t proto;
|
||||
};
|
||||
|
||||
struct xfrm_userspi_info {
|
||||
struct xfrm_usersa_info info;
|
||||
uint32_t min;
|
||||
uint32_t max;
|
||||
};
|
||||
|
||||
struct xfrm_userpolicy_info {
|
||||
struct xfrm_selector sel;
|
||||
struct xfrm_lifetime_cfg lft;
|
||||
struct xfrm_lifetime_cur curlft;
|
||||
uint32_t priority;
|
||||
uint32_t index;
|
||||
uint8_t dir;
|
||||
uint8_t action;
|
||||
#define XFRM_POLICY_ALLOW 0
|
||||
#define XFRM_POLICY_BLOCK 1
|
||||
uint8_t flags;
|
||||
#define XFRM_POLICY_LOCALOK 1 /* Allow user to override global policy */
|
||||
uint8_t share;
|
||||
};
|
||||
|
||||
struct xfrm_userpolicy_id {
|
||||
struct xfrm_selector sel;
|
||||
uint32_t index;
|
||||
uint8_t dir;
|
||||
};
|
||||
|
||||
struct xfrm_user_acquire {
|
||||
struct xfrm_id id;
|
||||
xfrm_address_t saddr;
|
||||
struct xfrm_selector sel;
|
||||
struct xfrm_userpolicy_info policy;
|
||||
uint32_t aalgos;
|
||||
uint32_t ealgos;
|
||||
uint32_t calgos;
|
||||
uint32_t seq;
|
||||
};
|
||||
|
||||
struct xfrm_user_expire {
|
||||
struct xfrm_usersa_info state;
|
||||
uint8_t hard;
|
||||
};
|
||||
|
||||
struct xfrm_user_polexpire {
|
||||
struct xfrm_userpolicy_info pol;
|
||||
uint8_t hard;
|
||||
};
|
||||
|
||||
#define XFRMGRP_ACQUIRE 1
|
||||
#define XFRMGRP_EXPIRE 2
|
||||
|
||||
#endif /* _LINUX_XFRM_H */
|
||||
Reference in New Issue
Block a user