inetd.h revision 101474
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 101474 2002-08-07 17:03:14Z ume $ 34 */ 35 36#include <sys/time.h> 37#include <sys/socket.h> 38#include <sys/un.h> 39#include <sys/queue.h> 40 41#include <netinet/in.h> 42 43#include <stdio.h> 44 45#define BUFSIZE 8192 46#define LINESIZ 72 47 48#define NORM_TYPE 0 49#define MUX_TYPE 1 50#define MUXPLUS_TYPE 2 51#define TTCP_TYPE 3 52#define FAITH_TYPE 4 53#define ISMUX(sep) (((sep)->se_type == MUX_TYPE) || \ 54 ((sep)->se_type == MUXPLUS_TYPE)) 55#define ISMUXPLUS(sep) ((sep)->se_type == MUXPLUS_TYPE) 56#define ISTTCP(sep) ((sep)->se_type == TTCP_TYPE) 57 58struct procinfo { 59 LIST_ENTRY(procinfo) pr_link; 60 pid_t pr_pid; /* child pid */ 61 struct conninfo *pr_conn; 62}; 63 64struct conninfo { 65 LIST_ENTRY(conninfo) co_link; 66 struct sockaddr_storage co_addr; /* source address */ 67 int co_numchild; /* current number of children */ 68 struct procinfo **co_proc; /* array of child proc entry */ 69}; 70 71#define PERIPSIZE 256 72 73struct servtab { 74 char *se_service; /* name of service */ 75 int se_socktype; /* type of socket to use */ 76 int se_family; /* address family */ 77 char *se_proto; /* protocol used */ 78 int se_maxchild; /* max number of children */ 79 int se_maxcpm; /* max connects per IP per minute */ 80 int se_numchild; /* current number of children */ 81 pid_t *se_pids; /* array of child pids */ 82 char *se_user; /* user name to run as */ 83 char *se_group; /* group name to run as */ 84#ifdef LOGIN_CAP 85 char *se_class; /* login class name to run with */ 86#endif 87 struct biltin *se_bi; /* if built-in, description */ 88 char *se_server; /* server program */ 89 char *se_server_name; /* server program without path */ 90#define MAXARGV 20 91 char *se_argv[MAXARGV+1]; /* program arguments */ 92#ifdef IPSEC 93 char *se_policy; /* IPsec policy string */ 94#endif 95 int se_fd; /* open descriptor */ 96 union { /* bound address */ 97 struct sockaddr se_un_ctrladdr; 98 struct sockaddr_in se_un_ctrladdr4; 99 struct sockaddr_in6 se_un_ctrladdr6; 100 struct sockaddr_un se_un_ctrladdr_un; 101 } se_un; 102#define se_ctrladdr se_un.se_un_ctrladdr 103#define se_ctrladdr4 se_un.se_un_ctrladdr4 104#define se_ctrladdr6 se_un.se_un_ctrladdr6 105#define se_ctrladdr_un se_un.se_un_ctrladdr_un 106 socklen_t se_ctrladdr_size; 107 uid_t se_sockuid; /* Owner for unix domain socket */ 108 gid_t se_sockgid; /* Group for unix domain socket */ 109 mode_t se_sockmode; /* Mode for unix domain socket */ 110 u_char se_type; /* type: normal, mux, or mux+ */ 111 u_char se_checked; /* looked at during merge */ 112 u_char se_accept; /* i.e., wait/nowait mode */ 113 u_char se_rpc; /* ==1 if RPC service */ 114 int se_rpc_prog; /* RPC program number */ 115 u_int se_rpc_lowvers; /* RPC low version */ 116 u_int se_rpc_highvers; /* RPC high version */ 117 int se_count; /* number started since se_time */ 118 struct timeval se_time; /* start of se_count */ 119 struct servtab *se_next; 120 struct se_flags { 121 u_int se_nomapped : 1; 122 u_int se_reset : 1; 123 } se_flags; 124 int se_maxperip; /* max number of children per src */ 125 LIST_HEAD(, conninfo) se_conn[PERIPSIZE]; 126}; 127 128#define se_nomapped se_flags.se_nomapped 129#define se_reset se_flags.se_reset 130 131int check_loop(const struct sockaddr *, const struct servtab *sep); 132int getvalue(const char *, int *, const char *); 133char *newstr(const char *); 134void inetd_setproctitle(const char *, int); 135void print_service(const char *, const struct servtab *); 136char *sskip(char **); 137char *skip(char **); 138struct servtab *tcpmux(int); 139 140extern int debug; 141extern struct servtab *servtab; 142 143typedef void (bi_fn_t)(int, struct servtab *); 144 145struct biltin { 146 const char *bi_service; /* internally provided service name */ 147 int bi_socktype; /* type of socket supported */ 148 short bi_fork; /* 1 if should fork before call */ 149 int bi_maxchild; /* max number of children, -1=default */ 150 bi_fn_t *bi_fn; /* function which performs it */ 151}; 152