15ff3afceSSheldon Hearn /* 25ff3afceSSheldon Hearn * Copyright (c) 1983, 1991, 1993, 1994 35ff3afceSSheldon Hearn * The Regents of the University of California. All rights reserved. 45ff3afceSSheldon Hearn * 55ff3afceSSheldon Hearn * Redistribution and use in source and binary forms, with or without 65ff3afceSSheldon Hearn * modification, are permitted provided that the following conditions 75ff3afceSSheldon Hearn * are met: 85ff3afceSSheldon Hearn * 1. Redistributions of source code must retain the above copyright 95ff3afceSSheldon Hearn * notice, this list of conditions and the following disclaimer. 105ff3afceSSheldon Hearn * 2. Redistributions in binary form must reproduce the above copyright 115ff3afceSSheldon Hearn * notice, this list of conditions and the following disclaimer in the 125ff3afceSSheldon Hearn * documentation and/or other materials provided with the distribution. 135ff3afceSSheldon Hearn * 3. All advertising materials mentioning features or use of this software 145ff3afceSSheldon Hearn * must display the following acknowledgement: 155ff3afceSSheldon Hearn * This product includes software developed by the University of 165ff3afceSSheldon Hearn * California, Berkeley and its contributors. 175ff3afceSSheldon Hearn * 4. Neither the name of the University nor the names of its contributors 185ff3afceSSheldon Hearn * may be used to endorse or promote products derived from this software 195ff3afceSSheldon Hearn * without specific prior written permission. 205ff3afceSSheldon Hearn * 215ff3afceSSheldon Hearn * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 225ff3afceSSheldon Hearn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 235ff3afceSSheldon Hearn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 245ff3afceSSheldon Hearn * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 255ff3afceSSheldon Hearn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 265ff3afceSSheldon Hearn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 275ff3afceSSheldon Hearn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 285ff3afceSSheldon Hearn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 295ff3afceSSheldon Hearn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 305ff3afceSSheldon Hearn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 315ff3afceSSheldon Hearn * SUCH DAMAGE. 325ff3afceSSheldon Hearn * 335ff3afceSSheldon Hearn * $Id$ 345ff3afceSSheldon Hearn */ 355ff3afceSSheldon Hearn 365ff3afceSSheldon Hearn #include <sys/time.h> 375ff3afceSSheldon Hearn #include <sys/socket.h> 385ff3afceSSheldon Hearn 395ff3afceSSheldon Hearn #include <netinet/in.h> 405ff3afceSSheldon Hearn 415ff3afceSSheldon Hearn #include <stdio.h> 425ff3afceSSheldon Hearn 435ff3afceSSheldon Hearn #define BUFSIZE 8192 445ff3afceSSheldon Hearn #define LINESIZ 72 455ff3afceSSheldon Hearn 465ff3afceSSheldon Hearn #define NORM_TYPE 0 475ff3afceSSheldon Hearn #define MUX_TYPE 1 485ff3afceSSheldon Hearn #define MUXPLUS_TYPE 2 495ff3afceSSheldon Hearn #define TTCP_TYPE 3 505ff3afceSSheldon Hearn #define ISMUX(sep) (((sep)->se_type == MUX_TYPE) || \ 515ff3afceSSheldon Hearn ((sep)->se_type == MUXPLUS_TYPE)) 525ff3afceSSheldon Hearn #define ISMUXPLUS(sep) ((sep)->se_type == MUXPLUS_TYPE) 535ff3afceSSheldon Hearn #define ISTTCP(sep) ((sep)->se_type == TTCP_TYPE) 545ff3afceSSheldon Hearn 555ff3afceSSheldon Hearn struct servtab { 565ff3afceSSheldon Hearn char *se_service; /* name of service */ 575ff3afceSSheldon Hearn int se_socktype; /* type of socket to use */ 585ff3afceSSheldon Hearn char *se_proto; /* protocol used */ 595ff3afceSSheldon Hearn int se_maxchild; /* max number of children */ 605ff3afceSSheldon Hearn int se_maxcpm; /* max connects per IP per minute */ 615ff3afceSSheldon Hearn int se_numchild; /* current number of children */ 625ff3afceSSheldon Hearn pid_t *se_pids; /* array of child pids */ 635ff3afceSSheldon Hearn char *se_user; /* user name to run as */ 645ff3afceSSheldon Hearn char *se_group; /* group name to run as */ 655ff3afceSSheldon Hearn #ifdef LOGIN_CAP 665ff3afceSSheldon Hearn char *se_class; /* login class name to run with */ 675ff3afceSSheldon Hearn #endif 685ff3afceSSheldon Hearn struct biltin *se_bi; /* if built-in, description */ 695ff3afceSSheldon Hearn char *se_server; /* server program */ 705ff3afceSSheldon Hearn char *se_server_name; /* server program without path */ 715ff3afceSSheldon Hearn #define MAXARGV 20 725ff3afceSSheldon Hearn char *se_argv[MAXARGV+1]; /* program arguments */ 735ff3afceSSheldon Hearn int se_fd; /* open descriptor */ 745ff3afceSSheldon Hearn struct sockaddr_in se_ctrladdr;/* bound address */ 755ff3afceSSheldon Hearn u_char se_type; /* type: normal, mux, or mux+ */ 765ff3afceSSheldon Hearn u_char se_checked; /* looked at during merge */ 775ff3afceSSheldon Hearn u_char se_accept; /* i.e., wait/nowait mode */ 785ff3afceSSheldon Hearn u_char se_rpc; /* ==1 if RPC service */ 795ff3afceSSheldon Hearn int se_rpc_prog; /* RPC program number */ 805ff3afceSSheldon Hearn u_int se_rpc_lowvers; /* RPC low version */ 815ff3afceSSheldon Hearn u_int se_rpc_highvers; /* RPC high version */ 825ff3afceSSheldon Hearn int se_count; /* number started since se_time */ 835ff3afceSSheldon Hearn struct timeval se_time; /* start of se_count */ 845ff3afceSSheldon Hearn struct servtab *se_next; 855ff3afceSSheldon Hearn }; 865ff3afceSSheldon Hearn 875ff3afceSSheldon Hearn void chargen_dg __P((int, struct servtab *)); 885ff3afceSSheldon Hearn void chargen_stream __P((int, struct servtab *)); 895ff3afceSSheldon Hearn void close_sep __P((struct servtab *)); 905ff3afceSSheldon Hearn void flag_signal __P((char)); 915ff3afceSSheldon Hearn void flag_config __P((int)); 925ff3afceSSheldon Hearn void config __P((void)); 935ff3afceSSheldon Hearn void daytime_dg __P((int, struct servtab *)); 945ff3afceSSheldon Hearn void daytime_stream __P((int, struct servtab *)); 955ff3afceSSheldon Hearn void discard_dg __P((int, struct servtab *)); 965ff3afceSSheldon Hearn void discard_stream __P((int, struct servtab *)); 975ff3afceSSheldon Hearn void echo_dg __P((int, struct servtab *)); 985ff3afceSSheldon Hearn void echo_stream __P((int, struct servtab *)); 995ff3afceSSheldon Hearn void endconfig __P((void)); 1005ff3afceSSheldon Hearn struct servtab *enter __P((struct servtab *)); 1015ff3afceSSheldon Hearn void freeconfig __P((struct servtab *)); 1025ff3afceSSheldon Hearn struct servtab *getconfigent __P((void)); 1035ff3afceSSheldon Hearn void iderror __P((int, int, FILE *, int)); 1045ff3afceSSheldon Hearn void ident_stream __P((int, struct servtab *)); 1055ff3afceSSheldon Hearn void machtime_dg __P((int, struct servtab *)); 1065ff3afceSSheldon Hearn void machtime_stream __P((int, struct servtab *)); 1075ff3afceSSheldon Hearn int matchservent __P((char *, char *, char *)); 1085ff3afceSSheldon Hearn char *newstr __P((char *)); 1095ff3afceSSheldon Hearn char *nextline __P((FILE *)); 1105ff3afceSSheldon Hearn void print_service __P((char *, struct servtab *)); 1115ff3afceSSheldon Hearn void addchild __P((struct servtab *, int)); 1125ff3afceSSheldon Hearn void flag_reapchild __P((int)); 1135ff3afceSSheldon Hearn void reapchild __P((void)); 1145ff3afceSSheldon Hearn void enable __P((struct servtab *)); 1155ff3afceSSheldon Hearn void disable __P((struct servtab *)); 1165ff3afceSSheldon Hearn void flag_retry __P((int)); 1175ff3afceSSheldon Hearn void retry __P((void)); 1185ff3afceSSheldon Hearn int setconfig __P((void)); 1195ff3afceSSheldon Hearn void setup __P((struct servtab *)); 1205ff3afceSSheldon Hearn char *sskip __P((char **)); 1215ff3afceSSheldon Hearn char *skip __P((char **)); 1225ff3afceSSheldon Hearn struct servtab *tcpmux __P((int)); 1235ff3afceSSheldon Hearn int cpmip __P((struct servtab *, int)); 1245ff3afceSSheldon Hearn void inetd_setproctitle __P((char *, int)); 1255ff3afceSSheldon Hearn 1265ff3afceSSheldon Hearn void unregisterrpc __P((register struct servtab *sep)); 1275ff3afceSSheldon Hearn 1285ff3afceSSheldon Hearn struct biltin { 1295ff3afceSSheldon Hearn char *bi_service; /* internally provided service name */ 1305ff3afceSSheldon Hearn int bi_socktype; /* type of socket supported */ 1315ff3afceSSheldon Hearn short bi_fork; /* 1 if should fork before call */ 1325ff3afceSSheldon Hearn int bi_maxchild; /* max number of children, -1=default */ 1335ff3afceSSheldon Hearn void (*bi_fn)(); /* function which performs it */ 1345ff3afceSSheldon Hearn }; 135