inetd.h revision 48981
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 * $Id$ 34 */ 35 36#include <sys/time.h> 37#include <sys/socket.h> 38 39#include <netinet/in.h> 40 41#include <stdio.h> 42 43#define BUFSIZE 8192 44#define LINESIZ 72 45 46#define NORM_TYPE 0 47#define MUX_TYPE 1 48#define MUXPLUS_TYPE 2 49#define TTCP_TYPE 3 50#define ISMUX(sep) (((sep)->se_type == MUX_TYPE) || \ 51 ((sep)->se_type == MUXPLUS_TYPE)) 52#define ISMUXPLUS(sep) ((sep)->se_type == MUXPLUS_TYPE) 53#define ISTTCP(sep) ((sep)->se_type == TTCP_TYPE) 54 55struct servtab { 56 char *se_service; /* name of service */ 57 int se_socktype; /* type of socket to use */ 58 char *se_proto; /* protocol used */ 59 int se_maxchild; /* max number of children */ 60 int se_maxcpm; /* max connects per IP per minute */ 61 int se_numchild; /* current number of children */ 62 pid_t *se_pids; /* array of child pids */ 63 char *se_user; /* user name to run as */ 64 char *se_group; /* group name to run as */ 65#ifdef LOGIN_CAP 66 char *se_class; /* login class name to run with */ 67#endif 68 struct biltin *se_bi; /* if built-in, description */ 69 char *se_server; /* server program */ 70 char *se_server_name; /* server program without path */ 71#define MAXARGV 20 72 char *se_argv[MAXARGV+1]; /* program arguments */ 73 int se_fd; /* open descriptor */ 74 struct sockaddr_in se_ctrladdr;/* bound address */ 75 u_char se_type; /* type: normal, mux, or mux+ */ 76 u_char se_checked; /* looked at during merge */ 77 u_char se_accept; /* i.e., wait/nowait mode */ 78 u_char se_rpc; /* ==1 if RPC service */ 79 int se_rpc_prog; /* RPC program number */ 80 u_int se_rpc_lowvers; /* RPC low version */ 81 u_int se_rpc_highvers; /* RPC high version */ 82 int se_count; /* number started since se_time */ 83 struct timeval se_time; /* start of se_count */ 84 struct servtab *se_next; 85}; 86 87void chargen_dg __P((int, struct servtab *)); 88void chargen_stream __P((int, struct servtab *)); 89void close_sep __P((struct servtab *)); 90void flag_signal __P((char)); 91void flag_config __P((int)); 92void config __P((void)); 93void daytime_dg __P((int, struct servtab *)); 94void daytime_stream __P((int, struct servtab *)); 95void discard_dg __P((int, struct servtab *)); 96void discard_stream __P((int, struct servtab *)); 97void echo_dg __P((int, struct servtab *)); 98void echo_stream __P((int, struct servtab *)); 99void endconfig __P((void)); 100struct servtab *enter __P((struct servtab *)); 101void freeconfig __P((struct servtab *)); 102struct servtab *getconfigent __P((void)); 103void iderror __P((int, int, FILE *, int)); 104void ident_stream __P((int, struct servtab *)); 105void machtime_dg __P((int, struct servtab *)); 106void machtime_stream __P((int, struct servtab *)); 107int matchservent __P((char *, char *, char *)); 108char *newstr __P((char *)); 109char *nextline __P((FILE *)); 110void print_service __P((char *, struct servtab *)); 111void addchild __P((struct servtab *, int)); 112void flag_reapchild __P((int)); 113void reapchild __P((void)); 114void enable __P((struct servtab *)); 115void disable __P((struct servtab *)); 116void flag_retry __P((int)); 117void retry __P((void)); 118int setconfig __P((void)); 119void setup __P((struct servtab *)); 120char *sskip __P((char **)); 121char *skip __P((char **)); 122struct servtab *tcpmux __P((int)); 123int cpmip __P((struct servtab *, int)); 124void inetd_setproctitle __P((char *, int)); 125 126void unregisterrpc __P((register struct servtab *sep)); 127 128struct biltin { 129 char *bi_service; /* internally provided service name */ 130 int bi_socktype; /* type of socket supported */ 131 short bi_fork; /* 1 if should fork before call */ 132 int bi_maxchild; /* max number of children, -1=default */ 133 void (*bi_fn)(); /* function which performs it */ 134}; 135