mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
5aedfa32a4
of libalias instance. To be used in the mpd5 daemon. Submitted by: Dmitry Luhtionov <dmitryluhtionov gmail.com>
216 lines
6.8 KiB
C
216 lines
6.8 KiB
C
/*-
|
|
* Copyright 2005, Gleb Smirnoff <glebius@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#define NG_NAT_NODE_TYPE "nat"
|
|
#define NGM_NAT_COOKIE 1107718711
|
|
|
|
#define NG_NAT_HOOK_IN "in"
|
|
#define NG_NAT_HOOK_OUT "out"
|
|
|
|
/* Arguments for NGM_NAT_SET_MODE message */
|
|
struct ng_nat_mode {
|
|
uint32_t flags;
|
|
uint32_t mask;
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_MODE_INFO { \
|
|
{ "flags", &ng_parse_uint32_type }, \
|
|
{ "mask", &ng_parse_uint32_type }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
#define NG_NAT_LOG 0x01
|
|
#define NG_NAT_DENY_INCOMING 0x02
|
|
#define NG_NAT_SAME_PORTS 0x04
|
|
#define NG_NAT_UNREGISTERED_ONLY 0x10
|
|
#define NG_NAT_RESET_ON_ADDR_CHANGE 0x20
|
|
#define NG_NAT_PROXY_ONLY 0x40
|
|
#define NG_NAT_REVERSE 0x80
|
|
|
|
#define NG_NAT_DESC_LENGTH 64
|
|
#define NG_NAT_REDIRPROTO_ADDR (IPPROTO_MAX + 3) /* LibAlias' LINK_ADDR, also unused in in.h */
|
|
|
|
/* Arguments for NGM_NAT_REDIRECT_PORT message */
|
|
struct ng_nat_redirect_port {
|
|
struct in_addr local_addr;
|
|
struct in_addr alias_addr;
|
|
struct in_addr remote_addr;
|
|
uint16_t local_port;
|
|
uint16_t alias_port;
|
|
uint16_t remote_port;
|
|
uint8_t proto;
|
|
char description[NG_NAT_DESC_LENGTH];
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_REDIRECT_PORT_TYPE_INFO(desctype) { \
|
|
{ "local_addr", &ng_parse_ipaddr_type }, \
|
|
{ "alias_addr", &ng_parse_ipaddr_type }, \
|
|
{ "remote_addr", &ng_parse_ipaddr_type }, \
|
|
{ "local_port", &ng_parse_uint16_type }, \
|
|
{ "alias_port", &ng_parse_uint16_type }, \
|
|
{ "remote_port", &ng_parse_uint16_type }, \
|
|
{ "proto", &ng_parse_uint8_type }, \
|
|
{ "description", (desctype) }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* Arguments for NGM_NAT_REDIRECT_ADDR message */
|
|
struct ng_nat_redirect_addr {
|
|
struct in_addr local_addr;
|
|
struct in_addr alias_addr;
|
|
char description[NG_NAT_DESC_LENGTH];
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_REDIRECT_ADDR_TYPE_INFO(desctype) { \
|
|
{ "local_addr", &ng_parse_ipaddr_type }, \
|
|
{ "alias_addr", &ng_parse_ipaddr_type }, \
|
|
{ "description", (desctype) }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* Arguments for NGM_NAT_REDIRECT_PROTO message */
|
|
struct ng_nat_redirect_proto {
|
|
struct in_addr local_addr;
|
|
struct in_addr alias_addr;
|
|
struct in_addr remote_addr;
|
|
uint8_t proto;
|
|
char description[NG_NAT_DESC_LENGTH];
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_REDIRECT_PROTO_TYPE_INFO(desctype) { \
|
|
{ "local_addr", &ng_parse_ipaddr_type }, \
|
|
{ "alias_addr", &ng_parse_ipaddr_type }, \
|
|
{ "remote_addr", &ng_parse_ipaddr_type }, \
|
|
{ "proto", &ng_parse_uint8_type }, \
|
|
{ "description", (desctype) }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* Arguments for NGM_NAT_ADD_SERVER message */
|
|
struct ng_nat_add_server {
|
|
uint32_t id;
|
|
struct in_addr addr;
|
|
uint16_t port;
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_ADD_SERVER_TYPE_INFO { \
|
|
{ "id", &ng_parse_uint32_type }, \
|
|
{ "addr", &ng_parse_ipaddr_type }, \
|
|
{ "port", &ng_parse_uint16_type }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* List entry of array returned in NGM_NAT_LIST_REDIRECTS message */
|
|
struct ng_nat_listrdrs_entry {
|
|
uint32_t id; /* Anything except zero */
|
|
struct in_addr local_addr;
|
|
struct in_addr alias_addr;
|
|
struct in_addr remote_addr;
|
|
uint16_t local_port;
|
|
uint16_t alias_port;
|
|
uint16_t remote_port;
|
|
uint16_t proto; /* Valid proto or NG_NAT_REDIRPROTO_ADDR */
|
|
uint16_t lsnat; /* LSNAT servers count */
|
|
char description[NG_NAT_DESC_LENGTH];
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_LISTRDRS_ENTRY_TYPE_INFO(desctype) { \
|
|
{ "id", &ng_parse_uint32_type }, \
|
|
{ "local_addr", &ng_parse_ipaddr_type }, \
|
|
{ "alias_addr", &ng_parse_ipaddr_type }, \
|
|
{ "remote_addr", &ng_parse_ipaddr_type }, \
|
|
{ "local_port", &ng_parse_uint16_type }, \
|
|
{ "alias_port", &ng_parse_uint16_type }, \
|
|
{ "remote_port", &ng_parse_uint16_type }, \
|
|
{ "proto", &ng_parse_uint16_type }, \
|
|
{ "lsnat", &ng_parse_uint16_type }, \
|
|
{ "description", (desctype) }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* Structure returned by NGM_NAT_LIST_REDIRECTS */
|
|
struct ng_nat_list_redirects {
|
|
uint32_t total_count;
|
|
struct ng_nat_listrdrs_entry redirects[];
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_LIST_REDIRECTS_TYPE_INFO(redirtype) { \
|
|
{ "total_count", &ng_parse_uint32_type }, \
|
|
{ "redirects", (redirtype) }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* Structure returned by NGM_NAT_LIBALIAS_INFO */
|
|
struct ng_nat_libalias_info {
|
|
uint32_t icmpLinkCount;
|
|
uint32_t udpLinkCount;
|
|
uint32_t tcpLinkCount;
|
|
uint32_t sctpLinkCount;
|
|
uint32_t pptpLinkCount;
|
|
uint32_t protoLinkCount;
|
|
uint32_t fragmentIdLinkCount;
|
|
uint32_t fragmentPtrLinkCount;
|
|
uint32_t sockCount;
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_NAT_LIBALIAS_INFO { \
|
|
{ "icmpLinkCount", &ng_parse_uint32_type }, \
|
|
{ "udpLinkCount", &ng_parse_uint32_type }, \
|
|
{ "tcpLinkCount", &ng_parse_uint32_type }, \
|
|
{ "sctpLinkCount", &ng_parse_uint32_type }, \
|
|
{ "pptpLinkCount", &ng_parse_uint32_type }, \
|
|
{ "protoLinkCount", &ng_parse_uint32_type }, \
|
|
{ "fragmentIdLinkCount", &ng_parse_uint32_type }, \
|
|
{ "fragmentPtrLinkCount", &ng_parse_uint32_type }, \
|
|
{ "sockCount", &ng_parse_uint32_type }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
enum {
|
|
NGM_NAT_SET_IPADDR = 1,
|
|
NGM_NAT_SET_MODE,
|
|
NGM_NAT_SET_TARGET,
|
|
NGM_NAT_REDIRECT_PORT,
|
|
NGM_NAT_REDIRECT_ADDR,
|
|
NGM_NAT_REDIRECT_PROTO,
|
|
NGM_NAT_REDIRECT_DYNAMIC,
|
|
NGM_NAT_REDIRECT_DELETE,
|
|
NGM_NAT_ADD_SERVER,
|
|
NGM_NAT_LIST_REDIRECTS,
|
|
NGM_NAT_PROXY_RULE,
|
|
NGM_NAT_LIBALIAS_INFO,
|
|
};
|