inetd.h revision 78694 
1/*
2 * Copyright (c) 1983, 1991, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: head/usr.sbin/inetd/inetd.h 78694 2001-06-24 09:20:07Z dwmalone $
34 */
35
36#include <sys/time.h>
37#include <sys/socket.h>
38#include <sys/un.h>
39
40#include <netinet/in.h>
41
42#include <stdio.h>
43
44#define BUFSIZE 8192
45#define LINESIZ 72
46
47#define NORM_TYPE	0
48#define MUX_TYPE	1
49#define MUXPLUS_TYPE	2
50#define TTCP_TYPE	3
51#define FAITH_TYPE	4
52#define ISMUX(sep)	(((sep)->se_type == MUX_TYPE) || \
53			 ((sep)->se_type == MUXPLUS_TYPE))
54#define ISMUXPLUS(sep)	((sep)->se_type == MUXPLUS_TYPE)
55#define ISTTCP(sep)	((sep)->se_type == TTCP_TYPE)
56
57struct	servtab {
58	char	*se_service;		/* name of service */
59	int	se_socktype;		/* type of socket to use */
60	int	se_family;		/* address family */
61	char	*se_proto;		/* protocol used */
62	int	se_maxchild;		/* max number of children */
63	int	se_maxcpm;		/* max connects per IP per minute */
64	int	se_numchild;		/* current number of children */
65	pid_t	*se_pids;		/* array of child pids */
66	char	*se_user;		/* user name to run as */
67	char    *se_group;              /* group name to run as */
68#ifdef  LOGIN_CAP
69	char    *se_class;              /* login class name to run with */
70#endif
71	struct	biltin *se_bi;		/* if built-in, description */
72	char	*se_server;		/* server program */
73	char	*se_server_name;	/* server program without path */
74#define	MAXARGV 20
75	char	*se_argv[MAXARGV+1];	/* program arguments */
76#ifdef IPSEC
77	char	*se_policy;		/* IPsec policy string */
78#endif
79	int	se_fd;			/* open descriptor */
80	union {				/* bound address */
81		struct	sockaddr se_un_ctrladdr;
82		struct	sockaddr_in se_un_ctrladdr4;
83		struct	sockaddr_in6 se_un_ctrladdr6;
84	        struct  sockaddr_un se_un_ctrladdr_un;
85	} se_un;
86#define se_ctrladdr	se_un.se_un_ctrladdr
87#define se_ctrladdr4	se_un.se_un_ctrladdr4
88#define se_ctrladdr6	se_un.se_un_ctrladdr6
89#define se_ctrladdr_un   se_un.se_un_ctrladdr_un
90  	socklen_t	se_ctrladdr_size;
91	uid_t	se_sockuid;		/* Owner for unix domain socket */
92	gid_t	se_sockgid;		/* Group for unix domain socket */
93	mode_t	se_sockmode;		/* Mode for unix domain socket */
94	u_char	se_type;		/* type: normal, mux, or mux+ */
95	u_char	se_checked;		/* looked at during merge */
96	u_char	se_accept;		/* i.e., wait/nowait mode */
97	u_char	se_rpc;			/* ==1 if RPC service */
98	int	se_rpc_prog;		/* RPC program number */
99	u_int	se_rpc_lowvers;		/* RPC low version */
100	u_int	se_rpc_highvers;	/* RPC high version */
101	int	se_count;		/* number started since se_time */
102	struct	timeval se_time;	/* start of se_count */
103	struct	servtab *se_next;
104	struct se_flags {
105		u_int se_nomapped : 1;
106		u_int se_reset : 1;
107	} se_flags;
108};
109
110#define	se_nomapped		se_flags.se_nomapped
111#define	se_reset		se_flags.se_reset
112
113int		check_loop __P((const struct sockaddr *, const struct servtab *sep));
114int		getvalue __P((const char *, int *, const char *));
115char	       *newstr __P((const char *));
116void		inetd_setproctitle __P((const char *, int));
117void		print_service __P((const char *, const struct servtab *));
118char	       *sskip __P((char **));
119char	       *skip __P((char **));
120struct servtab *tcpmux __P((int));
121
122extern int	 debug;
123extern struct servtab *servtab;
124
125typedef void (bi_fn_t) __P((int, struct servtab *));
126
127struct biltin {
128	const char *bi_service;		/* internally provided service name */
129	int	bi_socktype;		/* type of socket supported */
130	short	bi_fork;		/* 1 if should fork before call */
131	int	bi_maxchild;		/* max number of children, -1=default */
132	bi_fn_t	*bi_fn;			/* function which performs it */
133};
134