10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*9300SNobutomo.Nakano@Sun.COM * Common Development and Distribution License (the "License"). 6*9300SNobutomo.Nakano@Sun.COM * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*9300SNobutomo.Nakano@Sun.COM * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 260Sstevel@tonic-gate /* All Rights Reserved */ 270Sstevel@tonic-gate 280Sstevel@tonic-gate #include <stdio.h> 290Sstevel@tonic-gate #include <poll.h> 300Sstevel@tonic-gate #include <signal.h> 310Sstevel@tonic-gate #include <sys/resource.h> 320Sstevel@tonic-gate #include <sac.h> 330Sstevel@tonic-gate #include "tmstruct.h" 340Sstevel@tonic-gate #include "ttymon.h" 350Sstevel@tonic-gate 360Sstevel@tonic-gate /* 370Sstevel@tonic-gate * global fd and fp 380Sstevel@tonic-gate */ 390Sstevel@tonic-gate FILE *Logfp = NULL; /* for log file */ 400Sstevel@tonic-gate int Lckfd; /* for pid file */ 410Sstevel@tonic-gate int Sfd, Pfd; /* for sacpipe and pmpipe */ 420Sstevel@tonic-gate int PCpipe[2]; /* pipe between Parent & Children */ 430Sstevel@tonic-gate #ifdef DEBUG 440Sstevel@tonic-gate FILE *Debugfp = NULL; /* for debug file */ 450Sstevel@tonic-gate #endif 460Sstevel@tonic-gate 470Sstevel@tonic-gate char State = PM_STARTING; /* current state */ 480Sstevel@tonic-gate char *Istate; /* initial state */ 490Sstevel@tonic-gate char *Tag; /* port monitor tag */ 500Sstevel@tonic-gate int Maxfiles; /* Max number of open files */ 510Sstevel@tonic-gate int Maxfds; /* Max no of devices ttymon can monitor */ 520Sstevel@tonic-gate 530Sstevel@tonic-gate int Reread_flag = FALSE; /* reread pmtab flag */ 540Sstevel@tonic-gate 550Sstevel@tonic-gate int Retry; /* retry open_device flag */ 560Sstevel@tonic-gate 570Sstevel@tonic-gate struct pmtab *PMtab = NULL; /* head pointer to pmtab linked list */ 580Sstevel@tonic-gate int Nentries = 0; /* # of entries in pmtab linked list */ 590Sstevel@tonic-gate 600Sstevel@tonic-gate struct Gdef Gdef[MAXDEFS]; /* array to hold entries in /etc/ttydefs */ 610Sstevel@tonic-gate int Ndefs = 0; /* highest index to Gdef that was used */ 620Sstevel@tonic-gate long Mtime = 0; /* last modification time of ttydefs */ 630Sstevel@tonic-gate 64*9300SNobutomo.Nakano@Sun.COM struct pollfd *Pollp; /* ptr to an array of poll struct */ 650Sstevel@tonic-gate int Npollfd; /* size of the pollfd array */ 660Sstevel@tonic-gate 670Sstevel@tonic-gate struct Gdef DEFAULT = { /* default terminal settings */ 680Sstevel@tonic-gate "default", 690Sstevel@tonic-gate "9600", 700Sstevel@tonic-gate "9600 sane", 710Sstevel@tonic-gate 0, 72*9300SNobutomo.Nakano@Sun.COM /* 730Sstevel@tonic-gate * next label is set to 4800 so we can start searching ttydefs. 74*9300SNobutomo.Nakano@Sun.COM * if 4800 is not in ttydefs, we will loop back to use DEFAULT 750Sstevel@tonic-gate */ 760Sstevel@tonic-gate "4800" 770Sstevel@tonic-gate }; 780Sstevel@tonic-gate 790Sstevel@tonic-gate uid_t Uucp_uid = 5; /* owner's uid for bi-directional ports */ 800Sstevel@tonic-gate gid_t Tty_gid = 7; /* group id for all tty devices */ 810Sstevel@tonic-gate 820Sstevel@tonic-gate /* 830Sstevel@tonic-gate * Nlocked - number of ports that are either locked or have active 840Sstevel@tonic-gate * sessions not under this ttymon. 850Sstevel@tonic-gate */ 860Sstevel@tonic-gate int Nlocked = 0; 870Sstevel@tonic-gate 880Sstevel@tonic-gate /* original rlimit value */ 890Sstevel@tonic-gate struct rlimit Rlimit; 900Sstevel@tonic-gate 910Sstevel@tonic-gate /* 920Sstevel@tonic-gate * places to remember original signal dispositions and masks 930Sstevel@tonic-gate */ 940Sstevel@tonic-gate 950Sstevel@tonic-gate sigset_t Origmask; /* original signal mask */ 960Sstevel@tonic-gate struct sigaction Sigalrm; /* SIGALRM */ 970Sstevel@tonic-gate struct sigaction Sigcld; /* SIGCLD */ 980Sstevel@tonic-gate struct sigaction Sigint; /* SIGINT */ 990Sstevel@tonic-gate struct sigaction Sigpoll; /* SIGPOLL */ 100*9300SNobutomo.Nakano@Sun.COM struct sigaction Sigquit; /* SIGQUIT */ 1010Sstevel@tonic-gate struct sigaction Sigterm; /* SIGTERM */ 1020Sstevel@tonic-gate #ifdef DEBUG 1030Sstevel@tonic-gate struct sigaction Sigusr1; /* SIGUSR1 */ 1040Sstevel@tonic-gate struct sigaction Sigusr2; /* SIGUSR2 */ 1050Sstevel@tonic-gate #endif 1060Sstevel@tonic-gate 1070Sstevel@tonic-gate struct strbuf *peek_ptr; 1080Sstevel@tonic-gate 1090Sstevel@tonic-gate int Logmaxsz = 1000000; /* Log Max Size */ 1100Sstevel@tonic-gate 1110Sstevel@tonic-gate int Splflag = 0; /* serialize Log file manipulation */ 112