Import version 3.2alpha7

(they're currently in src/contrib/ipfilter/ipfilter/ by mistake, if someone
 from core would like to delete that directory with three files as I'm not
 meant to do that :)

1 files changed, 89 insertions, 0 deletions

diff --git a/contrib/ipfilter/ip_proxy.h b/contrib/ipfilter/ip_proxy.h
new file mode 100644
index 0000000..2d71754
--- /dev/null
+++ b/contrib/ipfilter/ip_proxy.h
@@ -0,0 +1,89 @@
+/*
+ * (C)opyright 1997 by Darren Reed.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and due credit is given
+ * to the original author and the contributors.
+ *
+ * $Id: ip_proxy.h,v 2.0.2.2 1997/05/24 07:36:44 darrenr Exp $
+ */
+
+#ifndef	__IP_PROXY_H__
+#define	__IP_PROXY_H__
+
+#ifndef SOLARIS
+#define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
+#endif
+
+#define	APR_LABELLEN	16
+#define	AP_SESS_SIZE	53
+
+struct	nat;
+
+typedef	struct	ap_tcp {
+	u_short	apt_sport;	/* source port */
+	u_short	apt_dport;	/* destination port */
+	short	apt_seqoff;	/* sequence # difference */
+	short	apt_ackoff;	/* ack # difference */
+	tcp_seq	apt_after;	/* don't change seq-off until after this */
+	char	apt_state[2];	/* connection state */
+} ap_tcp_t;
+
+typedef	struct	ap_udp {
+	u_short	apu_sport;	/* source port */
+	u_short	apu_dport;	/* destination port */
+} ap_udp_t;
+
+typedef	struct ap_session {
+	struct	aproxy	*aps_apr;
+	struct	in_addr	aps_src;	/* source IP# */
+	struct	in_addr	aps_dst;	/* destination IP# */
+	u_char	aps_p;		/* protocol */
+	union {
+		struct	ap_tcp	apu_tcp;
+		struct	ap_udp	apu_udp;
+	} aps_un;
+	u_int	aps_flags;
+	QUAD_T	aps_bytes;	/* bytes sent */
+	QUAD_T	aps_pkts;	/* packets sent */
+	time_t	aps_tout;	/* time left before expiring */
+	void	*aps_data;	/* private data */
+	int	aps_psiz;	/* size of private data */
+	struct	ap_session	*aps_next;
+} ap_session_t ;
+
+#define	aps_sport	aps_un.apu_tcp.apt_sport
+#define	aps_dport	aps_un.apu_tcp.apt_dport
+#define	aps_seqoff	aps_un.apu_tcp.apt_seqoff
+#define	aps_ackoff	aps_un.apu_tcp.apt_ackoff
+#define	aps_sumoff	aps_un.apu_tcp.apt_sumoff
+#define	aps_state	aps_un.apu_tcp.apt_state
+#define	aps_after	aps_un.apu_tcp.apt_after
+
+
+typedef	struct	aproxy	{
+	char	apr_label[APR_LABELLEN];	/* Proxy label # */
+	char	apr_p;		/* protocol */
+	int	apr_ref;	/* +1 per rule referencing it */
+	int	apr_flags;
+	int	(* apr_init) __P((fr_info_t *, ip_t *, tcphdr_t *,
+				   ap_session_t *, struct nat *));
+	int	(* apr_inpkt) __P((fr_info_t *, ip_t *, tcphdr_t *,
+				   ap_session_t *, struct nat *));
+	int	(* apr_outpkt) __P((fr_info_t *, ip_t *, tcphdr_t *,
+				    ap_session_t *, struct nat *));
+} aproxy_t;
+
+#define	APR_DELETE	1
+
+
+extern	ap_session_t	*ap_sess_tab[AP_SESS_SIZE];
+extern	aproxy_t	ap_proxies[];
+
+extern void ap_unload __P((void));
+extern void ap_free __P((aproxy_t *));
+extern void aps_free __P((ap_session_t *));
+extern int ap_check __P((ip_t *, tcphdr_t *, fr_info_t *, struct nat *));
+extern aproxy_t	*ap_match __P((char, char *));
+
+#endif /* __IP_PROXY_H__ */