mirror of
https://github.com/solemnwarning/ipxwrapper
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129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
/* IPXWrapper - Router header
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* Copyright (C) 2011 Daniel Collins <solemnwarning@solemnwarning.net>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef IPXWRAPPER_ROUTER_H
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#define IPXWRAPPER_ROUTER_H
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#include <windows.h>
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#include <winsock2.h>
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#include <wsipx.h>
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#include <stdint.h>
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#define MAX_ROUTER_CLIENTS 128
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struct router_call {
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enum {
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rc_bind,
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rc_unbind,
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rc_port,
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rc_filter,
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rc_flags,
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rc_remote
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} call;
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SOCKET sock;
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struct sockaddr_ipx arg_addr;
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int arg_int;
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};
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struct router_ret {
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int err_code; /* ERROR_SUCCESS on success */
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struct sockaddr_ipx ret_addr;
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uint32_t ret_u32;
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};
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/* Represents a bound IPX address */
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struct router_addr {
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struct sockaddr_ipx addr;
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uint16_t local_port; /* Local UDP port (NETWORK BYTE ORDER) */
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SOCKET ws_socket; /* Application socket */
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SOCKET control_socket; /* Control socket */
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int filter_ptype; /* Packet type filter, negative to disable */
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int flags;
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/* Address of IP interface */
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uint32_t ipaddr;
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uint32_t netmask;
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/* Only accept packets from this address (any if AF_UNSPEC) */
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struct sockaddr_ipx remote_addr;
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struct router_addr *next;
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};
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struct router_client {
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SOCKET sock;
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struct router_call recvbuf;
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int recvbuf_len;
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};
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struct router_vars {
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BOOL running;
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SOCKET udp_sock;
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SOCKET listener;
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struct router_client clients[MAX_ROUTER_CLIENTS];
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int client_count;
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WSAEVENT wsa_event;
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CRITICAL_SECTION crit_sec;
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BOOL crit_sec_init;
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struct router_addr *addrs;
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char *recvbuf;
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};
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struct rclient {
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CRITICAL_SECTION cs;
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BOOL cs_init;
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SOCKET sock;
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struct router_vars *router;
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HANDLE thread;
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};
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struct rpacket_header {
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uint32_t src_ipaddr;
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char spare[20];
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} __attribute__((__packed__));
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struct router_vars *router_init(BOOL global);
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void router_destroy(struct router_vars *router);
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DWORD router_main(void *arg);
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BOOL rclient_init(struct rclient *rclient);
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BOOL rclient_start(struct rclient *rclient);
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void rclient_stop(struct rclient *rclient);
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BOOL rclient_bind(struct rclient *rclient, SOCKET sock, struct sockaddr_ipx *addr, uint32_t *nic_bcast, int flags);
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BOOL rclient_unbind(struct rclient *rclient, SOCKET sock);
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BOOL rclient_set_port(struct rclient *rclient, SOCKET sock, uint16_t port);
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BOOL rclient_set_filter(struct rclient *rclient, SOCKET sock, int ptype);
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BOOL rclient_set_flags(struct rclient *rclient, SOCKET sock, int flags);
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BOOL rclient_set_remote(struct rclient *rclient, SOCKET sock, const struct sockaddr_ipx *addr);
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#endif /* !IPXWRAPPER_ROUTER_H */
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