17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 576e222fdSSumanth Naropanth * Common Development and Distribution License (the "License"). 676e222fdSSumanth Naropanth * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 220a1278f2SGary Mills * Copyright (c) 2013 Gary Mills 230a1278f2SGary Mills * 2476e222fdSSumanth Naropanth * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 257c478bd9Sstevel@tonic-gate * Use is subject to license terms. 266a79a301SJason King * 276a79a301SJason King * Copyright 2020 Joyent, Inc. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 31352d7aedSToomas Soome /* All Rights Reserved */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate /* 347c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 357c478bd9Sstevel@tonic-gate * The Regents of the University of California 367c478bd9Sstevel@tonic-gate * All Rights Reserved 377c478bd9Sstevel@tonic-gate * 387c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 397c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 407c478bd9Sstevel@tonic-gate * contributors. 417c478bd9Sstevel@tonic-gate */ 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate /* 447c478bd9Sstevel@tonic-gate * This is the new w command which takes advantage of 457c478bd9Sstevel@tonic-gate * the /proc interface to gain access to the information 467c478bd9Sstevel@tonic-gate * of all the processes currently on the system. 477c478bd9Sstevel@tonic-gate * 487c478bd9Sstevel@tonic-gate * This program also implements 'uptime'. 497c478bd9Sstevel@tonic-gate * 507c478bd9Sstevel@tonic-gate * Maintenance note: 517c478bd9Sstevel@tonic-gate * 527c478bd9Sstevel@tonic-gate * Much of this code is replicated in whodo.c. If you're 537c478bd9Sstevel@tonic-gate * fixing bugs here, then you should probably fix 'em there too. 547c478bd9Sstevel@tonic-gate */ 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate #include <stdio.h> 577c478bd9Sstevel@tonic-gate #include <string.h> 587c478bd9Sstevel@tonic-gate #include <stdarg.h> 597c478bd9Sstevel@tonic-gate #include <stdlib.h> 607c478bd9Sstevel@tonic-gate #include <ctype.h> 617c478bd9Sstevel@tonic-gate #include <fcntl.h> 627c478bd9Sstevel@tonic-gate #include <time.h> 636a79a301SJason King #include <err.h> 647c478bd9Sstevel@tonic-gate #include <errno.h> 657c478bd9Sstevel@tonic-gate #include <sys/types.h> 667c478bd9Sstevel@tonic-gate #include <utmpx.h> 677c478bd9Sstevel@tonic-gate #include <sys/stat.h> 687c478bd9Sstevel@tonic-gate #include <dirent.h> 697c478bd9Sstevel@tonic-gate #include <procfs.h> /* /proc header file */ 707c478bd9Sstevel@tonic-gate #include <locale.h> 717c478bd9Sstevel@tonic-gate #include <unistd.h> 727c478bd9Sstevel@tonic-gate #include <sys/loadavg.h> 737c478bd9Sstevel@tonic-gate #include <limits.h> 747c478bd9Sstevel@tonic-gate #include <priv_utils.h> 756a79a301SJason King #include <sys/sysmacros.h> 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate /* 780a1278f2SGary Mills * Use the full lengths from utmpx for user and line. 797c478bd9Sstevel@tonic-gate */ 807c478bd9Sstevel@tonic-gate static struct utmpx dummy; 817c478bd9Sstevel@tonic-gate #define NMAX (sizeof (dummy.ut_user)) 827c478bd9Sstevel@tonic-gate #define LMAX (sizeof (dummy.ut_line)) 830a1278f2SGary Mills 840a1278f2SGary Mills /* Print minimum field widths. */ 850a1278f2SGary Mills #define LOGIN_WIDTH 8 86f0540631SGary Mills #define LINE_WIDTH 8 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #define DIV60(t) ((t+30)/60) /* x/60 rounded */ 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate #ifdef ERR 917c478bd9Sstevel@tonic-gate #undef ERR 927c478bd9Sstevel@tonic-gate #endif 937c478bd9Sstevel@tonic-gate #define ERR (-1) 947c478bd9Sstevel@tonic-gate 95352d7aedSToomas Soome #define HSIZE 256 /* size of process hash table */ 967c478bd9Sstevel@tonic-gate #define PROCDIR "/proc" 977c478bd9Sstevel@tonic-gate #define INITPROCESS (pid_t)1 /* init process pid */ 987c478bd9Sstevel@tonic-gate #define NONE 'n' /* no state */ 997c478bd9Sstevel@tonic-gate #define RUNNING 'r' /* runnable process */ 1007c478bd9Sstevel@tonic-gate #define ZOMBIE 'z' /* zombie process */ 1017c478bd9Sstevel@tonic-gate #define VISITED 'v' /* marked node as visited */ 1027c478bd9Sstevel@tonic-gate #define PRINTF(a) if (printf a < 0) { \ 1037c478bd9Sstevel@tonic-gate perror((gettext("%s: printf failed"), prog)); \ 1047c478bd9Sstevel@tonic-gate exit(1); } 1057c478bd9Sstevel@tonic-gate 1067c478bd9Sstevel@tonic-gate struct uproc { 1077c478bd9Sstevel@tonic-gate pid_t p_upid; /* process id */ 1087c478bd9Sstevel@tonic-gate char p_state; /* numeric value of process state */ 1097c478bd9Sstevel@tonic-gate dev_t p_ttyd; /* controlling tty of process */ 1107c478bd9Sstevel@tonic-gate time_t p_time; /* seconds of user & system time */ 1117c478bd9Sstevel@tonic-gate time_t p_ctime; /* seconds of child user & sys time */ 1127c478bd9Sstevel@tonic-gate int p_igintr; /* 1 = ignores SIGQUIT and SIGINT */ 1137c478bd9Sstevel@tonic-gate char p_comm[PRARGSZ+1]; /* command */ 1147c478bd9Sstevel@tonic-gate char p_args[PRARGSZ+1]; /* command line arguments */ 1157c478bd9Sstevel@tonic-gate struct uproc *p_child, /* first child pointer */ 1167c478bd9Sstevel@tonic-gate *p_sibling, /* sibling pointer */ 1177c478bd9Sstevel@tonic-gate *p_pgrpl, /* pgrp link */ 1187c478bd9Sstevel@tonic-gate *p_link; /* hash table chain pointer */ 1197c478bd9Sstevel@tonic-gate }; 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate /* 122352d7aedSToomas Soome * define hash table for struct uproc 1237c478bd9Sstevel@tonic-gate * Hash function uses process id 1247c478bd9Sstevel@tonic-gate * and the size of the hash table(HSIZE) 1257c478bd9Sstevel@tonic-gate * to determine process index into the table. 1267c478bd9Sstevel@tonic-gate */ 1277c478bd9Sstevel@tonic-gate static struct uproc pr_htbl[HSIZE]; 1287c478bd9Sstevel@tonic-gate 129352d7aedSToomas Soome static struct uproc *findhash(pid_t); 130352d7aedSToomas Soome static time_t findidle(char *); 1317c478bd9Sstevel@tonic-gate static void clnarglist(char *); 1327c478bd9Sstevel@tonic-gate static void showtotals(struct uproc *); 1337c478bd9Sstevel@tonic-gate static void calctotals(struct uproc *); 134f0540631SGary Mills static void prttime(time_t, int); 1357c478bd9Sstevel@tonic-gate static void prtat(time_t *time); 1367c478bd9Sstevel@tonic-gate 1376a79a301SJason King static int priv_proc_open(const char *, int); 1386a79a301SJason King static int priv_proc_openat(int, const char *, int); 1396a79a301SJason King static boolean_t do_proc_read(int, void *, size_t); 1406a79a301SJason King 1417c478bd9Sstevel@tonic-gate static char *prog; /* pointer to invocation name */ 1427c478bd9Sstevel@tonic-gate static int header = 1; /* true if -h flag: don't print heading */ 1437c478bd9Sstevel@tonic-gate static int lflag = 1; /* set if -l flag; 0 for -s flag: short form */ 1447c478bd9Sstevel@tonic-gate static char *sel_user; /* login of particular user selected */ 145352d7aedSToomas Soome static char firstchar; /* first char of name of prog invoked as */ 1467c478bd9Sstevel@tonic-gate static int login; /* true if invoked as login shell */ 1477c478bd9Sstevel@tonic-gate static time_t now; /* current time of day */ 1487c478bd9Sstevel@tonic-gate static time_t uptime; /* time of last reboot & elapsed time since */ 1497c478bd9Sstevel@tonic-gate static int nusers; /* number of users logged in now */ 1507c478bd9Sstevel@tonic-gate static time_t idle; /* number of minutes user is idle */ 1517c478bd9Sstevel@tonic-gate static time_t jobtime; /* total cpu time visible */ 1527c478bd9Sstevel@tonic-gate static char doing[520]; /* process attached to terminal */ 1537c478bd9Sstevel@tonic-gate static time_t proctime; /* cpu time of process in doing */ 1547c478bd9Sstevel@tonic-gate static pid_t curpid, empty; 1557c478bd9Sstevel@tonic-gate static int add_times; /* boolean: add the cpu times or not */ 1567c478bd9Sstevel@tonic-gate 1576a79a301SJason King /* 1586a79a301SJason King * Basic privs we never need and can drop. This is likely not exhaustive, 1596a79a301SJason King * but should significantly reduce any potential attack surfaces. 1606a79a301SJason King */ 1616a79a301SJason King static const char *drop_privs[] = { 1626a79a301SJason King PRIV_FILE_WRITE, 1636a79a301SJason King PRIV_NET_ACCESS, 1646a79a301SJason King PRIV_PROC_EXEC, 1656a79a301SJason King PRIV_PROC_FORK, 1666a79a301SJason King PRIV_FILE_LINK_ANY 1676a79a301SJason King }; 1686a79a301SJason King 1697c478bd9Sstevel@tonic-gate #if SIGQUIT > SIGINT 1707c478bd9Sstevel@tonic-gate #define ACTSIZE SIGQUIT 1717c478bd9Sstevel@tonic-gate #else 1727c478bd9Sstevel@tonic-gate #define ACTSIZE SIGINT 1737c478bd9Sstevel@tonic-gate #endif 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate int 1767c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 1777c478bd9Sstevel@tonic-gate { 1787c478bd9Sstevel@tonic-gate struct utmpx *ut; 1797c478bd9Sstevel@tonic-gate struct utmpx *utmpbegin; 1807c478bd9Sstevel@tonic-gate struct utmpx *utmpend; 1817c478bd9Sstevel@tonic-gate struct utmpx *utp; 1827c478bd9Sstevel@tonic-gate struct uproc *up, *parent, *pgrp; 1837c478bd9Sstevel@tonic-gate struct psinfo info; 1847c478bd9Sstevel@tonic-gate struct sigaction actinfo[ACTSIZE]; 1857c478bd9Sstevel@tonic-gate struct pstatus statinfo; 1867c478bd9Sstevel@tonic-gate struct stat sbuf; 187352d7aedSToomas Soome DIR *dirp; 1887c478bd9Sstevel@tonic-gate struct dirent *dp; 1896a79a301SJason King char pname[PATH_MAX]; 1907c478bd9Sstevel@tonic-gate int procfd; 1916a79a301SJason King int dirfd; 1927c478bd9Sstevel@tonic-gate char *cp; 1937c478bd9Sstevel@tonic-gate int i; 1947c478bd9Sstevel@tonic-gate int days, hrs, mins; 1957c478bd9Sstevel@tonic-gate int entries; 1967c478bd9Sstevel@tonic-gate double loadavg[3]; 1976a79a301SJason King priv_set_t *pset; 1986a79a301SJason King 1996a79a301SJason King if (__init_suid_priv(PU_CLEARLIMITSET, PRIV_PROC_OWNER, NULL) != 0) { 2006a79a301SJason King err(EXIT_FAILURE, "failed to enable privilege bracketing"); 2016a79a301SJason King } 2026a79a301SJason King 2036a79a301SJason King /* 2046a79a301SJason King * After setting up privilege bracketing, we can further reduce the 2056a79a301SJason King * privileges in use. The effective set is set to the basic set minus 2066a79a301SJason King * the privs in drop_privs. The permitted set is the effective set 2076a79a301SJason King * plus PRIV_PROC_OWNER (i.e. the privilege being bracketed). 2086a79a301SJason King */ 2096a79a301SJason King pset = priv_allocset(); 2106a79a301SJason King if (pset == NULL) 2116a79a301SJason King err(EXIT_FAILURE, "priv_allocset failed"); 2126a79a301SJason King 2136a79a301SJason King priv_basicset(pset); 2146a79a301SJason King for (i = 0; i < ARRAY_SIZE(drop_privs); i++) { 2156a79a301SJason King if (priv_delset(pset, drop_privs[i]) != 0) { 2166a79a301SJason King err(EXIT_FAILURE, 2176a79a301SJason King "failed to remove %s privilege from privilege set", 2186a79a301SJason King drop_privs[i]); 2196a79a301SJason King } 2206a79a301SJason King } 2216a79a301SJason King 2226a79a301SJason King if (setppriv(PRIV_SET, PRIV_EFFECTIVE, pset) < 0) 2236a79a301SJason King err(EXIT_FAILURE, "failed setting effective privilege set"); 2246a79a301SJason King 2256a79a301SJason King if (priv_addset(pset, PRIV_PROC_OWNER) != 0) { 2266a79a301SJason King err(EXIT_FAILURE, 2276a79a301SJason King "failed to add PRIV_PROC_OWNER privilege to privilege set"); 2286a79a301SJason King } 2296a79a301SJason King 2306a79a301SJason King if (setppriv(PRIV_SET, PRIV_PERMITTED, pset) < 0) 2316a79a301SJason King err(EXIT_FAILURE, "failed to set permitted privilege set"); 2327c478bd9Sstevel@tonic-gate 2337c478bd9Sstevel@tonic-gate /* 2346a79a301SJason King * Unfortunately, when run as root, privilege bracketing is a no-op, 2356a79a301SJason King * so we have to add PRIV_PROC_OWNER into our effective set for things 2366a79a301SJason King * to work. 2377c478bd9Sstevel@tonic-gate */ 2386a79a301SJason King if (getuid() == 0 && setppriv(PRIV_SET, PRIV_EFFECTIVE, pset) < 0) { 2396a79a301SJason King err(EXIT_FAILURE, "failed to set effective privilege set"); 2406a79a301SJason King } 2416a79a301SJason King 2426a79a301SJason King priv_freeset(pset); 2436a79a301SJason King pset = NULL; 2447c478bd9Sstevel@tonic-gate 2457c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 2467c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) 2477c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" 2487c478bd9Sstevel@tonic-gate #endif 2497c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate login = (argv[0][0] == '-'); 2527c478bd9Sstevel@tonic-gate cp = strrchr(argv[0], '/'); 2537c478bd9Sstevel@tonic-gate firstchar = login ? argv[0][1] : (cp == 0) ? argv[0][0] : cp[1]; 2547c478bd9Sstevel@tonic-gate prog = argv[0]; 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate while (argc > 1) { 2577c478bd9Sstevel@tonic-gate if (argv[1][0] == '-') { 2587c478bd9Sstevel@tonic-gate for (i = 1; argv[1][i]; i++) { 2597c478bd9Sstevel@tonic-gate switch (argv[1][i]) { 2607c478bd9Sstevel@tonic-gate 2617c478bd9Sstevel@tonic-gate case 'h': 2627c478bd9Sstevel@tonic-gate header = 0; 2637c478bd9Sstevel@tonic-gate break; 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate case 'l': 2667c478bd9Sstevel@tonic-gate lflag++; 2677c478bd9Sstevel@tonic-gate break; 2687c478bd9Sstevel@tonic-gate case 's': 2697c478bd9Sstevel@tonic-gate lflag = 0; 2707c478bd9Sstevel@tonic-gate break; 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate case 'u': 2737c478bd9Sstevel@tonic-gate case 'w': 2747c478bd9Sstevel@tonic-gate firstchar = argv[1][i]; 2757c478bd9Sstevel@tonic-gate break; 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate default: 2787c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext( 2797c478bd9Sstevel@tonic-gate "%s: bad flag %s\n"), 2807c478bd9Sstevel@tonic-gate prog, argv[1]); 2817c478bd9Sstevel@tonic-gate exit(1); 2827c478bd9Sstevel@tonic-gate } 2837c478bd9Sstevel@tonic-gate } 2847c478bd9Sstevel@tonic-gate } else { 2857c478bd9Sstevel@tonic-gate if (!isalnum(argv[1][0]) || argc > 2) { 2867c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext( 2877c478bd9Sstevel@tonic-gate "usage: %s [ -hlsuw ] [ user ]\n"), prog); 2887c478bd9Sstevel@tonic-gate exit(1); 2897c478bd9Sstevel@tonic-gate } else 2907c478bd9Sstevel@tonic-gate sel_user = argv[1]; 2917c478bd9Sstevel@tonic-gate } 2927c478bd9Sstevel@tonic-gate argc--; argv++; 2937c478bd9Sstevel@tonic-gate } 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate /* 2961eabc4beSSachidananda Urs * read the UTMPX_FILE (contains information about each logged in user) 2977c478bd9Sstevel@tonic-gate */ 2986a79a301SJason King if (stat(UTMPX_FILE, &sbuf) < 0) 2996a79a301SJason King err(EXIT_FAILURE, gettext("stat error of %s"), UTMPX_FILE); 3006a79a301SJason King 3017c478bd9Sstevel@tonic-gate entries = sbuf.st_size / sizeof (struct futmpx); 3026a79a301SJason King if ((ut = calloc(entries, sizeof (struct utmpx))) == NULL) 3036a79a301SJason King err(EXIT_FAILURE, gettext("calloc error of %s"), UTMPX_FILE); 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate (void) utmpxname(UTMPX_FILE); 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate utmpbegin = ut; 3086a79a301SJason King utmpend = utmpbegin + entries; 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate setutxent(); 31176e222fdSSumanth Naropanth while ((ut < utmpend) && ((utp = getutxent()) != NULL)) 3127c478bd9Sstevel@tonic-gate (void) memcpy(ut++, utp, sizeof (*ut)); 3137c478bd9Sstevel@tonic-gate endutxent(); 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate (void) time(&now); /* get current time */ 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate if (header) { /* print a header */ 3187c478bd9Sstevel@tonic-gate prtat(&now); 3197c478bd9Sstevel@tonic-gate for (ut = utmpbegin; ut < utmpend; ut++) { 3207c478bd9Sstevel@tonic-gate if (ut->ut_type == USER_PROCESS) { 3211eabc4beSSachidananda Urs if (!nonuserx(*ut)) 3227c478bd9Sstevel@tonic-gate nusers++; 3237c478bd9Sstevel@tonic-gate } else if (ut->ut_type == BOOT_TIME) { 3247c478bd9Sstevel@tonic-gate uptime = now - ut->ut_xtime; 3257c478bd9Sstevel@tonic-gate uptime += 30; 3267c478bd9Sstevel@tonic-gate days = uptime / (60*60*24); 3277c478bd9Sstevel@tonic-gate uptime %= (60*60*24); 3287c478bd9Sstevel@tonic-gate hrs = uptime / (60*60); 3297c478bd9Sstevel@tonic-gate uptime %= (60*60); 3307c478bd9Sstevel@tonic-gate mins = uptime / 60; 3317c478bd9Sstevel@tonic-gate 332f0540631SGary Mills PRINTF((gettext("up"))); 3337c478bd9Sstevel@tonic-gate if (days > 0) 3347c478bd9Sstevel@tonic-gate PRINTF((gettext( 3357c478bd9Sstevel@tonic-gate " %d day(s),"), days)); 3367c478bd9Sstevel@tonic-gate if (hrs > 0 && mins > 0) { 3377c478bd9Sstevel@tonic-gate PRINTF((" %2d:%02d,", hrs, mins)); 3387c478bd9Sstevel@tonic-gate } else { 3397c478bd9Sstevel@tonic-gate if (hrs > 0) 3407c478bd9Sstevel@tonic-gate PRINTF((gettext( 3417c478bd9Sstevel@tonic-gate " %d hr(s),"), hrs)); 3427c478bd9Sstevel@tonic-gate if (mins > 0) 3437c478bd9Sstevel@tonic-gate PRINTF((gettext( 3447c478bd9Sstevel@tonic-gate " %d min(s),"), mins)); 3457c478bd9Sstevel@tonic-gate } 3467c478bd9Sstevel@tonic-gate } 3477c478bd9Sstevel@tonic-gate } 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate ut = utmpbegin; /* rewind utmp data */ 3507c478bd9Sstevel@tonic-gate PRINTF((((nusers == 1) ? 3517c478bd9Sstevel@tonic-gate gettext(" %d user") : gettext(" %d users")), nusers)); 3527c478bd9Sstevel@tonic-gate /* 3537c478bd9Sstevel@tonic-gate * Print 1, 5, and 15 minute load averages. 3547c478bd9Sstevel@tonic-gate */ 3557c478bd9Sstevel@tonic-gate (void) getloadavg(loadavg, 3); 3567c478bd9Sstevel@tonic-gate PRINTF((gettext(", load average: %.2f, %.2f, %.2f\n"), 3577c478bd9Sstevel@tonic-gate loadavg[LOADAVG_1MIN], loadavg[LOADAVG_5MIN], 3587c478bd9Sstevel@tonic-gate loadavg[LOADAVG_15MIN])); 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate if (firstchar == 'u') /* uptime command */ 3617c478bd9Sstevel@tonic-gate exit(0); 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate if (lflag) { 364f0540631SGary Mills PRINTF((dcgettext(NULL, "User tty " 365f0540631SGary Mills "login@ idle JCPU PCPU what\n", 366f0540631SGary Mills LC_TIME))); 3677c478bd9Sstevel@tonic-gate } else { 3687c478bd9Sstevel@tonic-gate PRINTF((dcgettext(NULL, 369f0540631SGary Mills "User tty idle what\n", 370f0540631SGary Mills LC_TIME))); 3717c478bd9Sstevel@tonic-gate } 3727c478bd9Sstevel@tonic-gate 3737c478bd9Sstevel@tonic-gate if (fflush(stdout) == EOF) { 3746a79a301SJason King err(EXIT_FAILURE, "fflush failed"); 3757c478bd9Sstevel@tonic-gate } 3767c478bd9Sstevel@tonic-gate } 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate /* 3797c478bd9Sstevel@tonic-gate * loop through /proc, reading info about each process 3807c478bd9Sstevel@tonic-gate * and build the parent/child tree 3817c478bd9Sstevel@tonic-gate */ 3826a79a301SJason King if ((dirp = opendir(PROCDIR)) == NULL) 3836a79a301SJason King err(EXIT_FAILURE, gettext("could not open %s"), PROCDIR); 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate while ((dp = readdir(dirp)) != NULL) { 3867c478bd9Sstevel@tonic-gate if (dp->d_name[0] == '.') 3877c478bd9Sstevel@tonic-gate continue; 3886a79a301SJason King 3896a79a301SJason King if (snprintf(pname, sizeof (pname), "%s/%s", PROCDIR, 3906a79a301SJason King dp->d_name) > sizeof (pname)) 3917c478bd9Sstevel@tonic-gate continue; 3926a79a301SJason King 3936a79a301SJason King dirfd = priv_proc_open(pname, O_RDONLY | O_DIRECTORY); 3946a79a301SJason King 395*45de8795SJason King if (dirfd < 0) 3966a79a301SJason King continue; 3976a79a301SJason King 3986a79a301SJason King procfd = priv_proc_openat(dirfd, "psinfo", O_RDONLY); 3996a79a301SJason King if (procfd < 0) { 4006a79a301SJason King (void) close(dirfd); 4016a79a301SJason King continue; 4026a79a301SJason King } 4036a79a301SJason King 4046a79a301SJason King if (!do_proc_read(procfd, &info, sizeof (info))) { 4056a79a301SJason King warn(gettext("read() failed on %s"), pname); 4066a79a301SJason King (void) close(dirfd); 4077c478bd9Sstevel@tonic-gate continue; 4087c478bd9Sstevel@tonic-gate } 4097c478bd9Sstevel@tonic-gate (void) close(procfd); 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate up = findhash(info.pr_pid); 4127c478bd9Sstevel@tonic-gate up->p_ttyd = info.pr_ttydev; 4136a79a301SJason King up->p_state = (info.pr_nlwp == 0 ? ZOMBIE : RUNNING); 4147c478bd9Sstevel@tonic-gate up->p_time = 0; 4157c478bd9Sstevel@tonic-gate up->p_ctime = 0; 4167c478bd9Sstevel@tonic-gate up->p_igintr = 0; 4176a79a301SJason King (void) strlcpy(up->p_comm, info.pr_fname, 4186a79a301SJason King sizeof (up->p_comm)); 4197c478bd9Sstevel@tonic-gate up->p_args[0] = 0; 4207c478bd9Sstevel@tonic-gate 4217c478bd9Sstevel@tonic-gate if (up->p_state != NONE && up->p_state != ZOMBIE) { 4226a79a301SJason King procfd = priv_proc_openat(dirfd, "status", O_RDONLY); 4236a79a301SJason King if (procfd < 0) { 4246a79a301SJason King (void) close(dirfd); 4257c478bd9Sstevel@tonic-gate continue; 4266a79a301SJason King } 4276a79a301SJason King 4286a79a301SJason King if (!do_proc_read(procfd, &statinfo, 4296a79a301SJason King sizeof (statinfo))) { 4306a79a301SJason King warn(gettext("read() failed on %s/status"), 4316a79a301SJason King pname); 4327c478bd9Sstevel@tonic-gate 4337c478bd9Sstevel@tonic-gate (void) close(procfd); 4346a79a301SJason King (void) close(dirfd); 4357c478bd9Sstevel@tonic-gate continue; 4367c478bd9Sstevel@tonic-gate } 4377c478bd9Sstevel@tonic-gate (void) close(procfd); 4387c478bd9Sstevel@tonic-gate 4397c478bd9Sstevel@tonic-gate up->p_time = statinfo.pr_utime.tv_sec + 4407c478bd9Sstevel@tonic-gate statinfo.pr_stime.tv_sec; /* seconds */ 4417c478bd9Sstevel@tonic-gate up->p_ctime = statinfo.pr_cutime.tv_sec + 4427c478bd9Sstevel@tonic-gate statinfo.pr_cstime.tv_sec; 4437c478bd9Sstevel@tonic-gate 4446a79a301SJason King procfd = priv_proc_openat(dirfd, "sigact", O_RDONLY); 4456a79a301SJason King if (procfd < 0) { 4466a79a301SJason King (void) close(dirfd); 4477c478bd9Sstevel@tonic-gate continue; 4486a79a301SJason King } 4496a79a301SJason King 4506a79a301SJason King if (!do_proc_read(procfd, actinfo, sizeof (actinfo))) { 4516a79a301SJason King warn(gettext("read() failed on %s/sigact"), 4526a79a301SJason King pname); 4537c478bd9Sstevel@tonic-gate 4547c478bd9Sstevel@tonic-gate (void) close(procfd); 4556a79a301SJason King (void) close(dirfd); 4567c478bd9Sstevel@tonic-gate continue; 4577c478bd9Sstevel@tonic-gate } 4587c478bd9Sstevel@tonic-gate (void) close(procfd); 4596a79a301SJason King (void) close(dirfd); 4607c478bd9Sstevel@tonic-gate up->p_igintr = 46176e222fdSSumanth Naropanth actinfo[SIGINT-1].sa_handler == SIG_IGN && 46276e222fdSSumanth Naropanth actinfo[SIGQUIT-1].sa_handler == SIG_IGN; 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate /* 4657c478bd9Sstevel@tonic-gate * Process args. 4667c478bd9Sstevel@tonic-gate */ 4676a79a301SJason King up->p_args[0] = '\0'; 4687c478bd9Sstevel@tonic-gate clnarglist(info.pr_psargs); 4696a79a301SJason King (void) strlcpy(up->p_args, info.pr_psargs, 4706a79a301SJason King sizeof (up->p_args)); 4717c478bd9Sstevel@tonic-gate if (up->p_args[0] == 0 || 4727c478bd9Sstevel@tonic-gate up->p_args[0] == '-' && up->p_args[1] <= ' ' || 4737c478bd9Sstevel@tonic-gate up->p_args[0] == '?') { 4746a79a301SJason King (void) strlcat(up->p_args, " (", 4756a79a301SJason King sizeof (up->p_args)); 4766a79a301SJason King (void) strlcat(up->p_args, up->p_comm, 4776a79a301SJason King sizeof (up->p_args)); 4786a79a301SJason King (void) strlcat(up->p_args, ")", 4796a79a301SJason King sizeof (up->p_args)); 4807c478bd9Sstevel@tonic-gate } 4817c478bd9Sstevel@tonic-gate } 4827c478bd9Sstevel@tonic-gate 4837c478bd9Sstevel@tonic-gate /* 4847c478bd9Sstevel@tonic-gate * link pgrp together in case parents go away 4857c478bd9Sstevel@tonic-gate * Pgrp chain is a single linked list originating 4867c478bd9Sstevel@tonic-gate * from the pgrp leader to its group member. 4877c478bd9Sstevel@tonic-gate */ 4887c478bd9Sstevel@tonic-gate if (info.pr_pgid != info.pr_pid) { /* not pgrp leader */ 4897c478bd9Sstevel@tonic-gate pgrp = findhash(info.pr_pgid); 4907c478bd9Sstevel@tonic-gate up->p_pgrpl = pgrp->p_pgrpl; 4917c478bd9Sstevel@tonic-gate pgrp->p_pgrpl = up; 4927c478bd9Sstevel@tonic-gate } 4937c478bd9Sstevel@tonic-gate parent = findhash(info.pr_ppid); 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate /* if this is the new member, link it in */ 4967c478bd9Sstevel@tonic-gate if (parent->p_upid != INITPROCESS) { 4977c478bd9Sstevel@tonic-gate if (parent->p_child) { 4987c478bd9Sstevel@tonic-gate up->p_sibling = parent->p_child; 4997c478bd9Sstevel@tonic-gate up->p_child = 0; 5007c478bd9Sstevel@tonic-gate } 5017c478bd9Sstevel@tonic-gate parent->p_child = up; 5027c478bd9Sstevel@tonic-gate } 5037c478bd9Sstevel@tonic-gate } 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate /* revert to non-privileged user after opening */ 5066a79a301SJason King __priv_relinquish(); 5076a79a301SJason King if (getuid() == 0) { 5086a79a301SJason King /* 5096a79a301SJason King * Since the privilege bracketing functions are effectively 5106a79a301SJason King * no-ops when running as root, we must explicitly 5116a79a301SJason King * relinquish PRIV_PROC_OWNER ourselves. 5126a79a301SJason King */ 5136a79a301SJason King pset = priv_allocset(); 5146a79a301SJason King if (pset == NULL) { 5156a79a301SJason King err(EXIT_FAILURE, 5166a79a301SJason King gettext("failed to allocate privilege set")); 5176a79a301SJason King } 5186a79a301SJason King 5196a79a301SJason King priv_emptyset(pset); 5206a79a301SJason King 5216a79a301SJason King if (priv_addset(pset, PRIV_PROC_OWNER) != 0) { 5226a79a301SJason King err(EXIT_FAILURE, gettext("failed to add " 5236a79a301SJason King "PRIV_PROC_OWNER to privilege set")); 5246a79a301SJason King } 5256a79a301SJason King 5266a79a301SJason King if (setppriv(PRIV_OFF, PRIV_PERMITTED, pset) != 0) { 5276a79a301SJason King err(EXIT_FAILURE, 5286a79a301SJason King gettext("failed to set permitted privilege set")); 5296a79a301SJason King } 5306a79a301SJason King 5316a79a301SJason King priv_freeset(pset); 5326a79a301SJason King pset = NULL; 5336a79a301SJason King } 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate (void) closedir(dirp); 5367c478bd9Sstevel@tonic-gate (void) time(&now); /* get current time */ 5377c478bd9Sstevel@tonic-gate 5387c478bd9Sstevel@tonic-gate /* 5397c478bd9Sstevel@tonic-gate * loop through utmpx file, printing process info 5407c478bd9Sstevel@tonic-gate * about each logged in user 5417c478bd9Sstevel@tonic-gate */ 5427c478bd9Sstevel@tonic-gate for (ut = utmpbegin; ut < utmpend; ut++) { 5437c478bd9Sstevel@tonic-gate if (ut->ut_type != USER_PROCESS) 5447c478bd9Sstevel@tonic-gate continue; 5457c478bd9Sstevel@tonic-gate if (sel_user && strncmp(ut->ut_name, sel_user, NMAX) != 0) 5467c478bd9Sstevel@tonic-gate continue; /* we're looking for somebody else */ 5477c478bd9Sstevel@tonic-gate 5487c478bd9Sstevel@tonic-gate /* print login name of the user */ 5490a1278f2SGary Mills PRINTF(("%-*.*s ", LOGIN_WIDTH, NMAX, ut->ut_name)); 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate /* print tty user is on */ 5527c478bd9Sstevel@tonic-gate if (lflag) { 553f0540631SGary Mills PRINTF(("%-*.*s ", LINE_WIDTH, LMAX, ut->ut_line)); 5547c478bd9Sstevel@tonic-gate } else { 5557c478bd9Sstevel@tonic-gate if (ut->ut_line[0] == 'p' && ut->ut_line[1] == 't' && 5567c478bd9Sstevel@tonic-gate ut->ut_line[2] == 's' && ut->ut_line[3] == '/') { 557f0540631SGary Mills PRINTF(("%-*.*s ", LINE_WIDTH, LMAX, 558f0540631SGary Mills &ut->ut_line[4])); 5597c478bd9Sstevel@tonic-gate } else { 560f0540631SGary Mills PRINTF(("%-*.*s ", LINE_WIDTH, LMAX, 5610a1278f2SGary Mills ut->ut_line)); 5627c478bd9Sstevel@tonic-gate } 5637c478bd9Sstevel@tonic-gate } 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate /* print when the user logged in */ 5667c478bd9Sstevel@tonic-gate if (lflag) { 5677c478bd9Sstevel@tonic-gate time_t tim = ut->ut_xtime; 5687c478bd9Sstevel@tonic-gate prtat(&tim); 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate /* print idle time */ 5727c478bd9Sstevel@tonic-gate idle = findidle(ut->ut_line); 573f0540631SGary Mills prttime(idle, 8); 5747c478bd9Sstevel@tonic-gate showtotals(findhash(ut->ut_pid)); 5757c478bd9Sstevel@tonic-gate } 5766a79a301SJason King if (fclose(stdout) == EOF) 5776a79a301SJason King err(EXIT_FAILURE, gettext("fclose failed")); 5786a79a301SJason King 5797c478bd9Sstevel@tonic-gate return (0); 5807c478bd9Sstevel@tonic-gate } 5817c478bd9Sstevel@tonic-gate 5827c478bd9Sstevel@tonic-gate /* 5837c478bd9Sstevel@tonic-gate * Prints the CPU time for all processes & children, 5847c478bd9Sstevel@tonic-gate * and the cpu time for interesting process, 5857c478bd9Sstevel@tonic-gate * and what the user is doing. 5867c478bd9Sstevel@tonic-gate */ 5877c478bd9Sstevel@tonic-gate static void 5887c478bd9Sstevel@tonic-gate showtotals(struct uproc *up) 5897c478bd9Sstevel@tonic-gate { 5907c478bd9Sstevel@tonic-gate jobtime = 0; 5917c478bd9Sstevel@tonic-gate proctime = 0; 5927c478bd9Sstevel@tonic-gate empty = 1; 5937c478bd9Sstevel@tonic-gate curpid = -1; 5947c478bd9Sstevel@tonic-gate add_times = 1; 5957c478bd9Sstevel@tonic-gate 5967c478bd9Sstevel@tonic-gate calctotals(up); 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate if (lflag) { 5997c478bd9Sstevel@tonic-gate /* print CPU time for all processes & children */ 6007c478bd9Sstevel@tonic-gate /* and need to convert clock ticks to seconds first */ 601f0540631SGary Mills prttime((time_t)jobtime, 8); 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate /* print cpu time for interesting process */ 6047c478bd9Sstevel@tonic-gate /* and need to convert clock ticks to seconds first */ 605f0540631SGary Mills prttime((time_t)proctime, 8); 6067c478bd9Sstevel@tonic-gate } 6077c478bd9Sstevel@tonic-gate /* what user is doing, current process */ 608f0540631SGary Mills PRINTF(("%-.32s\n", doing)); 6097c478bd9Sstevel@tonic-gate } 6107c478bd9Sstevel@tonic-gate 6117c478bd9Sstevel@tonic-gate /* 6127c478bd9Sstevel@tonic-gate * This recursive routine descends the process 6137c478bd9Sstevel@tonic-gate * tree starting from the given process pointer(up). 6147c478bd9Sstevel@tonic-gate * It used depth-first search strategy and also marked 6157c478bd9Sstevel@tonic-gate * each node as visited as it traversed down the tree. 6167c478bd9Sstevel@tonic-gate * It calculates the process time for all processes & 6177c478bd9Sstevel@tonic-gate * children. It also finds the interesting process 6187c478bd9Sstevel@tonic-gate * and determines its cpu time and command. 6197c478bd9Sstevel@tonic-gate */ 6207c478bd9Sstevel@tonic-gate static void 6217c478bd9Sstevel@tonic-gate calctotals(struct uproc *up) 6227c478bd9Sstevel@tonic-gate { 6237c478bd9Sstevel@tonic-gate struct uproc *zp; 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate /* 6267c478bd9Sstevel@tonic-gate * Once a node has been visited, stop adding cpu times 6277c478bd9Sstevel@tonic-gate * for its children so they don't get totalled twice. 6287c478bd9Sstevel@tonic-gate * Still look for the interesting job for this utmp 6297c478bd9Sstevel@tonic-gate * entry, however. 6307c478bd9Sstevel@tonic-gate */ 6317c478bd9Sstevel@tonic-gate if (up->p_state == VISITED) 6327c478bd9Sstevel@tonic-gate add_times = 0; 6337c478bd9Sstevel@tonic-gate up->p_state = VISITED; 6347c478bd9Sstevel@tonic-gate if (up->p_state == NONE || up->p_state == ZOMBIE) 6357c478bd9Sstevel@tonic-gate return; 6367c478bd9Sstevel@tonic-gate 6377c478bd9Sstevel@tonic-gate if (empty && !up->p_igintr) { 6387c478bd9Sstevel@tonic-gate empty = 0; 6397c478bd9Sstevel@tonic-gate curpid = -1; 6407c478bd9Sstevel@tonic-gate } 6417c478bd9Sstevel@tonic-gate 6427c478bd9Sstevel@tonic-gate if (up->p_upid > curpid && (!up->p_igintr || empty)) { 6437c478bd9Sstevel@tonic-gate curpid = up->p_upid; 6447c478bd9Sstevel@tonic-gate if (lflag) 6456a79a301SJason King (void) strlcpy(doing, up->p_args, sizeof (doing)); 6467c478bd9Sstevel@tonic-gate else 6476a79a301SJason King (void) strlcpy(doing, up->p_comm, sizeof (doing)); 6487c478bd9Sstevel@tonic-gate } 6497c478bd9Sstevel@tonic-gate 6507c478bd9Sstevel@tonic-gate if (add_times == 1) { 6517c478bd9Sstevel@tonic-gate jobtime += up->p_time + up->p_ctime; 6527c478bd9Sstevel@tonic-gate proctime += up->p_time; 6537c478bd9Sstevel@tonic-gate } 6547c478bd9Sstevel@tonic-gate 6557c478bd9Sstevel@tonic-gate /* descend for its children */ 6567c478bd9Sstevel@tonic-gate if (up->p_child) { 6577c478bd9Sstevel@tonic-gate calctotals(up->p_child); 6587c478bd9Sstevel@tonic-gate for (zp = up->p_child->p_sibling; zp; zp = zp->p_sibling) 6597c478bd9Sstevel@tonic-gate calctotals(zp); 6607c478bd9Sstevel@tonic-gate } 6617c478bd9Sstevel@tonic-gate } 6627c478bd9Sstevel@tonic-gate 6637c478bd9Sstevel@tonic-gate /* 6647c478bd9Sstevel@tonic-gate * Findhash finds the appropriate entry in the process 6657c478bd9Sstevel@tonic-gate * hash table (pr_htbl) for the given pid in case that 6667c478bd9Sstevel@tonic-gate * pid exists on the hash chain. It returns back a pointer 6677c478bd9Sstevel@tonic-gate * to that uproc structure. If this is a new pid, it allocates 6687c478bd9Sstevel@tonic-gate * a new node, initializes it, links it into the chain (after 6697c478bd9Sstevel@tonic-gate * head) and returns a structure pointer. 6707c478bd9Sstevel@tonic-gate */ 6717c478bd9Sstevel@tonic-gate static struct uproc * 6727c478bd9Sstevel@tonic-gate findhash(pid_t pid) 6737c478bd9Sstevel@tonic-gate { 6747c478bd9Sstevel@tonic-gate struct uproc *up, *tp; 6757c478bd9Sstevel@tonic-gate 6767c478bd9Sstevel@tonic-gate tp = up = &pr_htbl[pid % HSIZE]; 6777c478bd9Sstevel@tonic-gate if (up->p_upid == 0) { /* empty slot */ 6787c478bd9Sstevel@tonic-gate up->p_upid = pid; 6797c478bd9Sstevel@tonic-gate up->p_state = NONE; 6807c478bd9Sstevel@tonic-gate up->p_child = up->p_sibling = up->p_pgrpl = up->p_link = 0; 6817c478bd9Sstevel@tonic-gate return (up); 6827c478bd9Sstevel@tonic-gate } 6837c478bd9Sstevel@tonic-gate if (up->p_upid == pid) { /* found in hash table */ 6847c478bd9Sstevel@tonic-gate return (up); 6857c478bd9Sstevel@tonic-gate } 6867c478bd9Sstevel@tonic-gate for (tp = up->p_link; tp; tp = tp->p_link) { /* follow chain */ 6877c478bd9Sstevel@tonic-gate if (tp->p_upid == pid) 6887c478bd9Sstevel@tonic-gate return (tp); 6897c478bd9Sstevel@tonic-gate } 6907c478bd9Sstevel@tonic-gate tp = malloc(sizeof (*tp)); /* add new node */ 6916a79a301SJason King if (tp == NULL) 6926a79a301SJason King err(EXIT_FAILURE, gettext("out of memory!")); 6936a79a301SJason King 6947c478bd9Sstevel@tonic-gate (void) memset(tp, 0, sizeof (*tp)); 6957c478bd9Sstevel@tonic-gate tp->p_upid = pid; 6967c478bd9Sstevel@tonic-gate tp->p_state = NONE; 6977c478bd9Sstevel@tonic-gate tp->p_child = tp->p_sibling = tp->p_pgrpl = 0; 6987c478bd9Sstevel@tonic-gate tp->p_link = up->p_link; /* insert after head */ 6997c478bd9Sstevel@tonic-gate up->p_link = tp; 7007c478bd9Sstevel@tonic-gate return (tp); 7017c478bd9Sstevel@tonic-gate } 7027c478bd9Sstevel@tonic-gate 7037c478bd9Sstevel@tonic-gate #define HR (60 * 60) 7047c478bd9Sstevel@tonic-gate #define DAY (24 * HR) 7057c478bd9Sstevel@tonic-gate #define MON (30 * DAY) 7067c478bd9Sstevel@tonic-gate 7077c478bd9Sstevel@tonic-gate /* 708f0540631SGary Mills * Prttime prints an elapsed time in hours, minutes, or seconds, 709f0540631SGary Mills * right-justified with the rightmost column always blank. 710f0540631SGary Mills * The second argument is the minimum field width. 7117c478bd9Sstevel@tonic-gate */ 7127c478bd9Sstevel@tonic-gate static void 713f0540631SGary Mills prttime(time_t tim, int width) 7147c478bd9Sstevel@tonic-gate { 715f0540631SGary Mills char value[36]; 716f0540631SGary Mills 717f0540631SGary Mills if (tim >= 36 * 60) { 718f0540631SGary Mills (void) snprintf(value, sizeof (value), "%d:%02d:%02d", 719f0540631SGary Mills (int)tim / HR, (int)(tim % HR) / 60, (int)tim % 60); 720f0540631SGary Mills } else if (tim >= 60) { 721f0540631SGary Mills (void) snprintf(value, sizeof (value), "%d:%02d", 722f0540631SGary Mills (int)tim / 60, (int)tim % 60); 7237c478bd9Sstevel@tonic-gate } else if (tim > 0) { 724f0540631SGary Mills (void) snprintf(value, sizeof (value), "%d", (int)tim); 7257c478bd9Sstevel@tonic-gate } else { 7266a79a301SJason King (void) strlcpy(value, "0", sizeof (value)); 7277c478bd9Sstevel@tonic-gate } 728f0540631SGary Mills width = (width > 2) ? width - 1 : 1; 729f0540631SGary Mills PRINTF(("%*s ", width, value)); 7307c478bd9Sstevel@tonic-gate } 7317c478bd9Sstevel@tonic-gate 7327c478bd9Sstevel@tonic-gate /* 733f0540631SGary Mills * Prints the ISO date or time given a pointer to a time of day, 734f0540631SGary Mills * left-justfied in a 12-character expanding field with the 735f0540631SGary Mills * rightmost column always blank. 736f0540631SGary Mills * Includes a dcgettext() override in case a message catalog is needed. 7377c478bd9Sstevel@tonic-gate */ 7387c478bd9Sstevel@tonic-gate static void 7397c478bd9Sstevel@tonic-gate prtat(time_t *time) 7407c478bd9Sstevel@tonic-gate { 7417c478bd9Sstevel@tonic-gate struct tm *p; 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate p = localtime(time); 7447c478bd9Sstevel@tonic-gate if (now - *time <= 18 * HR) { 7457c478bd9Sstevel@tonic-gate char timestr[50]; 746f0540631SGary Mills 7477c478bd9Sstevel@tonic-gate (void) strftime(timestr, sizeof (timestr), 748f0540631SGary Mills dcgettext(NULL, "%T", LC_TIME), p); 749f0540631SGary Mills PRINTF(("%-11s ", timestr)); 7507c478bd9Sstevel@tonic-gate } else if (now - *time <= 7 * DAY) { 7517c478bd9Sstevel@tonic-gate char weekdaytime[20]; 7527c478bd9Sstevel@tonic-gate 7537c478bd9Sstevel@tonic-gate (void) strftime(weekdaytime, sizeof (weekdaytime), 754f0540631SGary Mills dcgettext(NULL, "%a %H:%M", LC_TIME), p); 755f0540631SGary Mills PRINTF(("%-11s ", weekdaytime)); 7567c478bd9Sstevel@tonic-gate } else { 7577c478bd9Sstevel@tonic-gate char monthtime[20]; 7587c478bd9Sstevel@tonic-gate 7597c478bd9Sstevel@tonic-gate (void) strftime(monthtime, sizeof (monthtime), 760f0540631SGary Mills dcgettext(NULL, "%F", LC_TIME), p); 761f0540631SGary Mills PRINTF(("%-11s ", monthtime)); 7627c478bd9Sstevel@tonic-gate } 7637c478bd9Sstevel@tonic-gate } 7647c478bd9Sstevel@tonic-gate 7657c478bd9Sstevel@tonic-gate /* 7667c478bd9Sstevel@tonic-gate * find & return number of minutes current tty has been idle 7677c478bd9Sstevel@tonic-gate */ 7687c478bd9Sstevel@tonic-gate static time_t 7697c478bd9Sstevel@tonic-gate findidle(char *devname) 7707c478bd9Sstevel@tonic-gate { 7717c478bd9Sstevel@tonic-gate struct stat stbuf; 7727c478bd9Sstevel@tonic-gate time_t lastaction, diff; 7737c478bd9Sstevel@tonic-gate char ttyname[64]; 7747c478bd9Sstevel@tonic-gate 7756a79a301SJason King (void) strlcpy(ttyname, "/dev/", sizeof (ttyname)); 7766a79a301SJason King (void) strlcat(ttyname, devname, sizeof (ttyname)); 7777c478bd9Sstevel@tonic-gate if (stat(ttyname, &stbuf) != -1) { 7787c478bd9Sstevel@tonic-gate lastaction = stbuf.st_atime; 7797c478bd9Sstevel@tonic-gate diff = now - lastaction; 7807c478bd9Sstevel@tonic-gate diff = DIV60(diff); 7817c478bd9Sstevel@tonic-gate if (diff < 0) 7827c478bd9Sstevel@tonic-gate diff = 0; 7837c478bd9Sstevel@tonic-gate } else 7847c478bd9Sstevel@tonic-gate diff = 0; 7857c478bd9Sstevel@tonic-gate return (diff); 7867c478bd9Sstevel@tonic-gate } 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate /* 7897c478bd9Sstevel@tonic-gate * given a pointer to the argument string get rid of unsavory characters. 7907c478bd9Sstevel@tonic-gate */ 7917c478bd9Sstevel@tonic-gate static void 7927c478bd9Sstevel@tonic-gate clnarglist(char *arglist) 7937c478bd9Sstevel@tonic-gate { 7947c478bd9Sstevel@tonic-gate char *c; 795352d7aedSToomas Soome int err = 0; 7967c478bd9Sstevel@tonic-gate 7977c478bd9Sstevel@tonic-gate /* get rid of unsavory characters */ 798352d7aedSToomas Soome for (c = arglist; *c != '\0'; c++) { 7997c478bd9Sstevel@tonic-gate if ((*c < ' ') || (*c > 0176)) { 8007c478bd9Sstevel@tonic-gate if (err++ > 5) { 801352d7aedSToomas Soome *arglist = '\0'; 8027c478bd9Sstevel@tonic-gate break; 8037c478bd9Sstevel@tonic-gate } 8047c478bd9Sstevel@tonic-gate *c = '?'; 8057c478bd9Sstevel@tonic-gate } 8067c478bd9Sstevel@tonic-gate } 8077c478bd9Sstevel@tonic-gate } 8086a79a301SJason King 8096a79a301SJason King static int 8106a79a301SJason King priv_proc_open(const char *path, int oflag) 8116a79a301SJason King { 8126a79a301SJason King int fd, errsave = 0; 8136a79a301SJason King 8146a79a301SJason King if (__priv_bracket(PRIV_ON) != 0) 8156a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed")); 8166a79a301SJason King 8176a79a301SJason King do { 8186a79a301SJason King fd = open(path, oflag); 8196a79a301SJason King if (fd < 0) 8206a79a301SJason King errsave = errno; 8216a79a301SJason King } while (fd < 0 && errno == EAGAIN); 8226a79a301SJason King 8236a79a301SJason King if (__priv_bracket(PRIV_OFF) != 0) 8246a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed")); 8256a79a301SJason King 8266a79a301SJason King if (fd < 0) 8276a79a301SJason King errno = errsave; 8286a79a301SJason King 8296a79a301SJason King return (fd); 8306a79a301SJason King } 8316a79a301SJason King 8326a79a301SJason King static int 8336a79a301SJason King priv_proc_openat(int dfd, const char *path, int mode) 8346a79a301SJason King { 8356a79a301SJason King int fd, errsave = 0; 8366a79a301SJason King 8376a79a301SJason King if (__priv_bracket(PRIV_ON) != 0) 8386a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed")); 8396a79a301SJason King 8406a79a301SJason King do { 8416a79a301SJason King fd = openat(dfd, path, mode); 8426a79a301SJason King if (fd < 0) 8436a79a301SJason King errsave = errno; 8446a79a301SJason King } while (fd < 0 && errno == EAGAIN); 8456a79a301SJason King 8466a79a301SJason King if (__priv_bracket(PRIV_OFF) != 0) 8476a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed")); 8486a79a301SJason King 8496a79a301SJason King if (fd < 0) 8506a79a301SJason King errno = errsave; 8516a79a301SJason King 8526a79a301SJason King return (fd); 8536a79a301SJason King } 8546a79a301SJason King 8556a79a301SJason King static boolean_t 8566a79a301SJason King do_proc_read(int fd, void *buf, size_t bufsize) 8576a79a301SJason King { 8586a79a301SJason King ssize_t n; 8596a79a301SJason King 8606a79a301SJason King do { 8616a79a301SJason King n = pread(fd, buf, bufsize, 0); 8626a79a301SJason King if (n == bufsize) 8636a79a301SJason King return (B_TRUE); 8646a79a301SJason King /* 8656a79a301SJason King * Retry on a partial read or EAGAIN, otherwise fail 8666a79a301SJason King */ 8676a79a301SJason King } while (n >= 0 || errno == EAGAIN); 8686a79a301SJason King 8696a79a301SJason King return (B_FALSE); 8706a79a301SJason King } 871