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 */
317c478bd9Sstevel@tonic-gate /* 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 whodo 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 * Maintenance note:
497c478bd9Sstevel@tonic-gate *
507c478bd9Sstevel@tonic-gate * Much of this code is replicated in w.c. If you're
517c478bd9Sstevel@tonic-gate * fixing bugs here, then you should probably fix 'em there too.
527c478bd9Sstevel@tonic-gate */
537c478bd9Sstevel@tonic-gate
547c478bd9Sstevel@tonic-gate #include <stdio.h>
557c478bd9Sstevel@tonic-gate #include <string.h>
567c478bd9Sstevel@tonic-gate #include <stdlib.h>
577c478bd9Sstevel@tonic-gate #include <ctype.h>
587c478bd9Sstevel@tonic-gate #include <fcntl.h>
597c478bd9Sstevel@tonic-gate #include <time.h>
606a79a301SJason King #include <err.h>
617c478bd9Sstevel@tonic-gate #include <errno.h>
627c478bd9Sstevel@tonic-gate #include <sys/types.h>
637c478bd9Sstevel@tonic-gate #include <utmpx.h>
646a79a301SJason King #include <sys/sysmacros.h>
657c478bd9Sstevel@tonic-gate #include <sys/utsname.h>
667c478bd9Sstevel@tonic-gate #include <sys/stat.h>
677c478bd9Sstevel@tonic-gate #include <sys/mkdev.h>
687c478bd9Sstevel@tonic-gate #include <dirent.h>
697c478bd9Sstevel@tonic-gate #include <procfs.h> /* /proc header file */
707c478bd9Sstevel@tonic-gate #include <sys/wait.h>
717c478bd9Sstevel@tonic-gate #include <locale.h>
727c478bd9Sstevel@tonic-gate #include <unistd.h>
737c478bd9Sstevel@tonic-gate #include <limits.h>
747c478bd9Sstevel@tonic-gate #include <priv_utils.h>
757c478bd9Sstevel@tonic-gate
767c478bd9Sstevel@tonic-gate /*
770a1278f2SGary Mills * Use the full lengths from utmpx for user and line.
787c478bd9Sstevel@tonic-gate */
790a1278f2SGary Mills #define NMAX (sizeof (((struct utmpx *)0)->ut_user))
800a1278f2SGary Mills #define LMAX (sizeof (((struct utmpx *)0)->ut_line))
810a1278f2SGary Mills
820a1278f2SGary Mills /* Print minimum field widths. */
830a1278f2SGary Mills #define LOGIN_WIDTH 8
84f0540631SGary Mills #define LINE_WIDTH 8
857c478bd9Sstevel@tonic-gate
867c478bd9Sstevel@tonic-gate #define DIV60(t) ((t+30)/60) /* x/60 rounded */
877c478bd9Sstevel@tonic-gate
887c478bd9Sstevel@tonic-gate #ifdef ERR
897c478bd9Sstevel@tonic-gate #undef ERR
907c478bd9Sstevel@tonic-gate #endif
917c478bd9Sstevel@tonic-gate #define ERR (-1)
927c478bd9Sstevel@tonic-gate
937c478bd9Sstevel@tonic-gate #define DEVNAMELEN 14
947c478bd9Sstevel@tonic-gate #define HSIZE 256 /* size of process hash table */
957c478bd9Sstevel@tonic-gate #define PROCDIR "/proc"
967c478bd9Sstevel@tonic-gate #define INITPROCESS (pid_t)1 /* init process pid */
977c478bd9Sstevel@tonic-gate #define NONE 'n' /* no state */
987c478bd9Sstevel@tonic-gate #define RUNNING 'r' /* runnable process */
997c478bd9Sstevel@tonic-gate #define ZOMBIE 'z' /* zombie process */
1007c478bd9Sstevel@tonic-gate #define VISITED 'v' /* marked node as visited */
1017c478bd9Sstevel@tonic-gate
1026a79a301SJason King static uint_t ndevs; /* number of configured devices */
1036a79a301SJason King static uint_t maxdev; /* slots for configured devices */
1047c478bd9Sstevel@tonic-gate #define DNINCR 100
1057c478bd9Sstevel@tonic-gate static struct devl { /* device list */
1067c478bd9Sstevel@tonic-gate char dname[DEVNAMELEN]; /* device name */
1077c478bd9Sstevel@tonic-gate dev_t ddev; /* device number */
1087c478bd9Sstevel@tonic-gate } *devl;
1097c478bd9Sstevel@tonic-gate
1107c478bd9Sstevel@tonic-gate struct uproc {
1117c478bd9Sstevel@tonic-gate pid_t p_upid; /* user process id */
1127c478bd9Sstevel@tonic-gate char p_state; /* numeric value of process state */
1137c478bd9Sstevel@tonic-gate dev_t p_ttyd; /* controlling tty of process */
1147c478bd9Sstevel@tonic-gate time_t p_time; /* ticks of user & system time */
1157c478bd9Sstevel@tonic-gate time_t p_ctime; /* ticks of child user & system time */
1167c478bd9Sstevel@tonic-gate int p_igintr; /* 1=ignores SIGQUIT and SIGINT */
1177c478bd9Sstevel@tonic-gate char p_comm[PRARGSZ+1]; /* command */
1187c478bd9Sstevel@tonic-gate char p_args[PRARGSZ+1]; /* command line arguments */
1197c478bd9Sstevel@tonic-gate struct uproc *p_child, /* first child pointer */
1207c478bd9Sstevel@tonic-gate *p_sibling, /* sibling pointer */
1217c478bd9Sstevel@tonic-gate *p_pgrplink, /* pgrp link */
1227c478bd9Sstevel@tonic-gate *p_link; /* hash table chain pointer */
1237c478bd9Sstevel@tonic-gate };
1247c478bd9Sstevel@tonic-gate
1257c478bd9Sstevel@tonic-gate /*
1267c478bd9Sstevel@tonic-gate * define hash table for struct uproc
1277c478bd9Sstevel@tonic-gate * Hash function uses process id
1287c478bd9Sstevel@tonic-gate * and the size of the hash table(HSIZE)
1297c478bd9Sstevel@tonic-gate * to determine process index into the table.
1307c478bd9Sstevel@tonic-gate */
1317c478bd9Sstevel@tonic-gate static struct uproc pr_htbl[HSIZE];
1327c478bd9Sstevel@tonic-gate
1337c478bd9Sstevel@tonic-gate static struct uproc *findhash(pid_t);
1347c478bd9Sstevel@tonic-gate static time_t findidle(char *);
1357c478bd9Sstevel@tonic-gate static void clnarglist(char *);
1367c478bd9Sstevel@tonic-gate static void showproc(struct uproc *);
1377c478bd9Sstevel@tonic-gate static void showtotals(struct uproc *);
1387c478bd9Sstevel@tonic-gate static void calctotals(struct uproc *);
1397c478bd9Sstevel@tonic-gate static char *getty(dev_t);
140f0540631SGary Mills static void prttime(time_t, int);
1417c478bd9Sstevel@tonic-gate static void prtat(time_t *);
1427c478bd9Sstevel@tonic-gate
1436a79a301SJason King static int priv_proc_open(const char *, int);
1446a79a301SJason King static int priv_proc_openat(int, const char *, int);
1456a79a301SJason King static boolean_t do_proc_read(int, void *, size_t);
1466a79a301SJason King
1477c478bd9Sstevel@tonic-gate static char *prog;
1487c478bd9Sstevel@tonic-gate static int header = 1; /* true if -h flag: don't print heading */
1497c478bd9Sstevel@tonic-gate static int lflag = 0; /* true if -l flag: w command format */
15061aaa916SToomas Soome static char *sel_user; /* login of particular user selected */
1517c478bd9Sstevel@tonic-gate static time_t now; /* current time of day */
1527c478bd9Sstevel@tonic-gate static time_t uptime; /* time of last reboot & elapsed time since */
1537c478bd9Sstevel@tonic-gate static int nusers; /* number of users logged in now */
1547c478bd9Sstevel@tonic-gate static time_t idle; /* number of minutes user is idle */
1557c478bd9Sstevel@tonic-gate static time_t jobtime; /* total cpu time visible */
1567c478bd9Sstevel@tonic-gate static char doing[520]; /* process attached to terminal */
1577c478bd9Sstevel@tonic-gate static time_t proctime; /* cpu time of process in doing */
1587c478bd9Sstevel@tonic-gate static int empty;
1597c478bd9Sstevel@tonic-gate static pid_t curpid;
1607c478bd9Sstevel@tonic-gate
1616a79a301SJason King /*
1626a79a301SJason King * Basic privs we never need and can drop. This is likely not exhaustive,
1636a79a301SJason King * but should significantly reduce any potential attack surfaces.
1646a79a301SJason King */
1656a79a301SJason King static const char *drop_privs[] = {
1666a79a301SJason King PRIV_FILE_WRITE,
1676a79a301SJason King PRIV_NET_ACCESS,
1686a79a301SJason King PRIV_PROC_EXEC,
1696a79a301SJason King PRIV_PROC_FORK,
1706a79a301SJason King PRIV_FILE_LINK_ANY
1716a79a301SJason King };
1726a79a301SJason King
1737c478bd9Sstevel@tonic-gate #if SIGQUIT > SIGINT
1747c478bd9Sstevel@tonic-gate #define ACTSIZE SIGQUIT
1757c478bd9Sstevel@tonic-gate #else
1767c478bd9Sstevel@tonic-gate #define ACTSIZE SIGINT
1777c478bd9Sstevel@tonic-gate #endif
1787c478bd9Sstevel@tonic-gate
1797c478bd9Sstevel@tonic-gate int
main(int argc,char * argv[])1807c478bd9Sstevel@tonic-gate main(int argc, char *argv[])
1817c478bd9Sstevel@tonic-gate {
1827c478bd9Sstevel@tonic-gate struct utmpx *ut;
1837c478bd9Sstevel@tonic-gate struct utmpx *utmpbegin;
1847c478bd9Sstevel@tonic-gate struct utmpx *utmpend;
18561aaa916SToomas Soome struct utmpx *utp;
1867c478bd9Sstevel@tonic-gate struct tm *tm;
1877c478bd9Sstevel@tonic-gate struct uproc *up, *parent, *pgrp;
1887c478bd9Sstevel@tonic-gate struct psinfo info;
1897c478bd9Sstevel@tonic-gate struct sigaction actinfo[ACTSIZE];
1907c478bd9Sstevel@tonic-gate struct pstatus statinfo;
1917c478bd9Sstevel@tonic-gate struct stat sbuf;
1927c478bd9Sstevel@tonic-gate struct utsname uts;
1937c478bd9Sstevel@tonic-gate DIR *dirp;
1947c478bd9Sstevel@tonic-gate struct dirent *dp;
1956a79a301SJason King char pname[PATH_MAX];
1966a79a301SJason King int procfd, dirfd;
1977c478bd9Sstevel@tonic-gate int i;
1987c478bd9Sstevel@tonic-gate int days, hrs, mins;
1997c478bd9Sstevel@tonic-gate int entries;
2006a79a301SJason King priv_set_t *pset;
2016a79a301SJason King
2026a79a301SJason King if (__init_suid_priv(PU_CLEARLIMITSET, PRIV_PROC_OWNER, NULL) != 0) {
2036a79a301SJason King err(EXIT_FAILURE, "failed to enable privilege bracketing");
2046a79a301SJason King }
2056a79a301SJason King
2066a79a301SJason King /*
2076a79a301SJason King * After setting up privilege bracketing, we can further reduce the
2086a79a301SJason King * privileges in use. The effective set is set to the basic set minus
2096a79a301SJason King * the privs in drop_privs. The permitted set is the effective set
2106a79a301SJason King * plus PRIV_PROC_OWNER (i.e. the privilege being bracketed).
2116a79a301SJason King */
2126a79a301SJason King pset = priv_allocset();
2136a79a301SJason King if (pset == NULL)
2146a79a301SJason King err(EXIT_FAILURE, "priv_allocset failed");
2156a79a301SJason King
2166a79a301SJason King priv_basicset(pset);
2176a79a301SJason King for (i = 0; i < ARRAY_SIZE(drop_privs); i++) {
2186a79a301SJason King if (priv_delset(pset, drop_privs[i]) != 0) {
2196a79a301SJason King err(EXIT_FAILURE,
2206a79a301SJason King "failed to remove %s privilege from privilege set",
2216a79a301SJason King drop_privs[i]);
2226a79a301SJason King }
2236a79a301SJason King }
2246a79a301SJason King
2256a79a301SJason King if (setppriv(PRIV_SET, PRIV_EFFECTIVE, pset) < 0)
2266a79a301SJason King err(EXIT_FAILURE, "failed setting effective privilege set");
2276a79a301SJason King
2286a79a301SJason King if (priv_addset(pset, PRIV_PROC_OWNER) != 0) {
2296a79a301SJason King err(EXIT_FAILURE,
2306a79a301SJason King "failed to add PRIV_PROC_OWNER privilege to privilege set");
2316a79a301SJason King }
2326a79a301SJason King
2336a79a301SJason King if (setppriv(PRIV_SET, PRIV_PERMITTED, pset) < 0)
2346a79a301SJason King err(EXIT_FAILURE, "failed to set permitted privilege set");
2357c478bd9Sstevel@tonic-gate
2367c478bd9Sstevel@tonic-gate /*
2376a79a301SJason King * Unfortunately, when run as root, privilege bracketing is a no-op,
2386a79a301SJason King * so we have to add PRIV_PROC_OWNER into our effective set for things
2396a79a301SJason King * to work.
2407c478bd9Sstevel@tonic-gate */
2416a79a301SJason King if (getuid() == 0 && setppriv(PRIV_SET, PRIV_EFFECTIVE, pset) < 0) {
2426a79a301SJason King err(EXIT_FAILURE, "failed to set effective privilege set");
2436a79a301SJason King }
2446a79a301SJason King
2456a79a301SJason King priv_freeset(pset);
2466a79a301SJason King pset = NULL;
2477c478bd9Sstevel@tonic-gate
2487c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, "");
2497c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN)
2507c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST"
2517c478bd9Sstevel@tonic-gate #endif
2527c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN);
2537c478bd9Sstevel@tonic-gate
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
2697c478bd9Sstevel@tonic-gate default:
2707c478bd9Sstevel@tonic-gate (void) printf(gettext(
2717c478bd9Sstevel@tonic-gate "usage: %s [ -hl ] [ user ]\n"),
2727c478bd9Sstevel@tonic-gate prog);
2737c478bd9Sstevel@tonic-gate exit(1);
2747c478bd9Sstevel@tonic-gate }
2757c478bd9Sstevel@tonic-gate }
2767c478bd9Sstevel@tonic-gate } else {
2777c478bd9Sstevel@tonic-gate if (!isalnum(argv[1][0]) || argc > 2) {
2787c478bd9Sstevel@tonic-gate (void) printf(gettext(
2797c478bd9Sstevel@tonic-gate "usage: %s [ -hl ] [ user ]\n"), prog);
2807c478bd9Sstevel@tonic-gate exit(1);
2817c478bd9Sstevel@tonic-gate } else
2827c478bd9Sstevel@tonic-gate sel_user = argv[1];
2837c478bd9Sstevel@tonic-gate }
2847c478bd9Sstevel@tonic-gate argc--; argv++;
2857c478bd9Sstevel@tonic-gate }
2867c478bd9Sstevel@tonic-gate
2877c478bd9Sstevel@tonic-gate /*
2887c478bd9Sstevel@tonic-gate * read the UTMPX_FILE (contains information about
2897c478bd9Sstevel@tonic-gate * each logged in user)
2907c478bd9Sstevel@tonic-gate */
2916a79a301SJason King if (stat(UTMPX_FILE, &sbuf) < 0)
2926a79a301SJason King err(EXIT_FAILURE, gettext("stat error of %s"), UTMPX_FILE);
2936a79a301SJason King
2947c478bd9Sstevel@tonic-gate entries = sbuf.st_size / sizeof (struct futmpx);
2957c478bd9Sstevel@tonic-gate
2966a79a301SJason King if ((ut = calloc(entries, sizeof (struct utmpx))) == NULL)
2976a79a301SJason King err(EXIT_FAILURE, gettext("calloc error of %s"), UTMPX_FILE);
2987c478bd9Sstevel@tonic-gate
2997c478bd9Sstevel@tonic-gate (void) utmpxname(UTMPX_FILE);
3007c478bd9Sstevel@tonic-gate
3017c478bd9Sstevel@tonic-gate utmpbegin = ut;
3026a79a301SJason King utmpend = utmpbegin + entries;
3037c478bd9Sstevel@tonic-gate
3047c478bd9Sstevel@tonic-gate setutxent();
30576e222fdSSumanth Naropanth while ((ut < utmpend) && ((utp = getutxent()) != NULL))
3067c478bd9Sstevel@tonic-gate (void) memcpy(ut++, utp, sizeof (*ut));
3077c478bd9Sstevel@tonic-gate endutxent();
3087c478bd9Sstevel@tonic-gate
3097c478bd9Sstevel@tonic-gate (void) time(&now); /* get current time */
3107c478bd9Sstevel@tonic-gate
3117c478bd9Sstevel@tonic-gate if (header) { /* print a header */
3127c478bd9Sstevel@tonic-gate if (lflag) { /* w command format header */
3137c478bd9Sstevel@tonic-gate prtat(&now);
3147c478bd9Sstevel@tonic-gate for (ut = utmpbegin; ut < utmpend; ut++) {
3157c478bd9Sstevel@tonic-gate if (ut->ut_type == USER_PROCESS) {
3167c478bd9Sstevel@tonic-gate nusers++;
3177c478bd9Sstevel@tonic-gate } else if (ut->ut_type == BOOT_TIME) {
3187c478bd9Sstevel@tonic-gate uptime = now - ut->ut_xtime;
3197c478bd9Sstevel@tonic-gate uptime += 30;
3207c478bd9Sstevel@tonic-gate days = uptime / (60*60*24);
3217c478bd9Sstevel@tonic-gate uptime %= (60*60*24);
3227c478bd9Sstevel@tonic-gate hrs = uptime / (60*60);
3237c478bd9Sstevel@tonic-gate uptime %= (60*60);
3247c478bd9Sstevel@tonic-gate mins = uptime / 60;
3257c478bd9Sstevel@tonic-gate
3267c478bd9Sstevel@tonic-gate (void) printf(dcgettext(NULL,
327f0540631SGary Mills "up %d day(s), %d hr(s), "
3287c478bd9Sstevel@tonic-gate "%d min(s)", LC_TIME),
3297c478bd9Sstevel@tonic-gate days, hrs, mins);
3307c478bd9Sstevel@tonic-gate }
3317c478bd9Sstevel@tonic-gate }
3327c478bd9Sstevel@tonic-gate
3337c478bd9Sstevel@tonic-gate ut = utmpbegin; /* rewind utmp data */
3347c478bd9Sstevel@tonic-gate (void) printf(dcgettext(NULL,
3357c478bd9Sstevel@tonic-gate " %d user(s)\n", LC_TIME), nusers);
336f0540631SGary Mills (void) printf(dcgettext(NULL, "User tty "
337f0540631SGary Mills "login@ idle JCPU PCPU what\n",
338f0540631SGary Mills LC_TIME));
3397c478bd9Sstevel@tonic-gate } else { /* standard whodo header */
3407c478bd9Sstevel@tonic-gate char date_buf[100];
3417c478bd9Sstevel@tonic-gate
3427c478bd9Sstevel@tonic-gate /*
3437c478bd9Sstevel@tonic-gate * print current time and date
3447c478bd9Sstevel@tonic-gate */
3457c478bd9Sstevel@tonic-gate (void) strftime(date_buf, sizeof (date_buf),
346f0540631SGary Mills "%c", localtime(&now));
3477c478bd9Sstevel@tonic-gate (void) printf("%s\n", date_buf);
3487c478bd9Sstevel@tonic-gate
3497c478bd9Sstevel@tonic-gate /*
3507c478bd9Sstevel@tonic-gate * print system name
3517c478bd9Sstevel@tonic-gate */
3527c478bd9Sstevel@tonic-gate (void) uname(&uts);
3537c478bd9Sstevel@tonic-gate (void) printf("%s\n", uts.nodename);
3547c478bd9Sstevel@tonic-gate }
3557c478bd9Sstevel@tonic-gate }
3567c478bd9Sstevel@tonic-gate
3577c478bd9Sstevel@tonic-gate /*
3587c478bd9Sstevel@tonic-gate * loop through /proc, reading info about each process
3597c478bd9Sstevel@tonic-gate * and build the parent/child tree
3607c478bd9Sstevel@tonic-gate */
3616a79a301SJason King if ((dirp = opendir(PROCDIR)) == NULL)
3626a79a301SJason King err(EXIT_FAILURE, gettext("could not open %s"), PROCDIR);
3637c478bd9Sstevel@tonic-gate
3647c478bd9Sstevel@tonic-gate while ((dp = readdir(dirp)) != NULL) {
3657c478bd9Sstevel@tonic-gate if (dp->d_name[0] == '.')
3667c478bd9Sstevel@tonic-gate continue;
3676a79a301SJason King
3686a79a301SJason King if (snprintf(pname, sizeof (pname), "%s/%s", PROCDIR,
3696a79a301SJason King dp->d_name) > sizeof (pname))
3707c478bd9Sstevel@tonic-gate continue;
3716a79a301SJason King
3726a79a301SJason King dirfd = priv_proc_open(pname, O_RDONLY | O_DIRECTORY);
3736a79a301SJason King
374*45de8795SJason King if (dirfd < 0)
3756a79a301SJason King continue;
3766a79a301SJason King
3776a79a301SJason King procfd = priv_proc_openat(dirfd, "psinfo", O_RDONLY);
3786a79a301SJason King if (procfd < 0) {
3796a79a301SJason King (void) close(dirfd);
3806a79a301SJason King continue;
3816a79a301SJason King }
3826a79a301SJason King
3836a79a301SJason King if (!do_proc_read(procfd, &info, sizeof (info))) {
3846a79a301SJason King warn(gettext("read() failed on %s"), pname);
3856a79a301SJason King (void) close(dirfd);
3867c478bd9Sstevel@tonic-gate continue;
3877c478bd9Sstevel@tonic-gate }
3887c478bd9Sstevel@tonic-gate (void) close(procfd);
3897c478bd9Sstevel@tonic-gate
3907c478bd9Sstevel@tonic-gate up = findhash(info.pr_pid);
3917c478bd9Sstevel@tonic-gate up->p_ttyd = info.pr_ttydev;
3927c478bd9Sstevel@tonic-gate up->p_state = (info.pr_nlwp == 0? ZOMBIE : RUNNING);
3937c478bd9Sstevel@tonic-gate up->p_time = 0;
3947c478bd9Sstevel@tonic-gate up->p_ctime = 0;
3957c478bd9Sstevel@tonic-gate up->p_igintr = 0;
3966a79a301SJason King (void) strlcpy(up->p_comm, info.pr_fname,
3976a79a301SJason King sizeof (up->p_comm));
3987c478bd9Sstevel@tonic-gate up->p_args[0] = 0;
3997c478bd9Sstevel@tonic-gate
4007c478bd9Sstevel@tonic-gate if (up->p_state != NONE && up->p_state != ZOMBIE) {
4016a79a301SJason King procfd = priv_proc_openat(dirfd, "status", O_RDONLY);
4026a79a301SJason King if (procfd < 0) {
4036a79a301SJason King (void) close(dirfd);
4047c478bd9Sstevel@tonic-gate continue;
4056a79a301SJason King }
4066a79a301SJason King
4076a79a301SJason King if (!do_proc_read(procfd, &statinfo,
4086a79a301SJason King sizeof (statinfo))) {
4096a79a301SJason King warn(gettext("read() failed on %s/status"),
4106a79a301SJason King pname);
4117c478bd9Sstevel@tonic-gate
4127c478bd9Sstevel@tonic-gate (void) close(procfd);
4136a79a301SJason King (void) close(dirfd);
4147c478bd9Sstevel@tonic-gate continue;
4157c478bd9Sstevel@tonic-gate }
4167c478bd9Sstevel@tonic-gate (void) close(procfd);
4177c478bd9Sstevel@tonic-gate
4187c478bd9Sstevel@tonic-gate up->p_time = statinfo.pr_utime.tv_sec +
4197c478bd9Sstevel@tonic-gate statinfo.pr_stime.tv_sec;
4207c478bd9Sstevel@tonic-gate up->p_ctime = statinfo.pr_cutime.tv_sec +
4217c478bd9Sstevel@tonic-gate statinfo.pr_cstime.tv_sec;
4227c478bd9Sstevel@tonic-gate
4236a79a301SJason King procfd = priv_proc_openat(dirfd, "sigact", O_RDONLY);
4246a79a301SJason King if (procfd < 0) {
4256a79a301SJason King (void) close(dirfd);
4266a79a301SJason King continue;
4276a79a301SJason King }
4287c478bd9Sstevel@tonic-gate
4296a79a301SJason King if (!do_proc_read(procfd, actinfo, sizeof (actinfo))) {
4306a79a301SJason King warn(gettext("read() failed on %s/sigact"),
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);
4386a79a301SJason King (void) close(dirfd);
4397c478bd9Sstevel@tonic-gate
4407c478bd9Sstevel@tonic-gate up->p_igintr =
44176e222fdSSumanth Naropanth actinfo[SIGINT-1].sa_handler == SIG_IGN &&
44276e222fdSSumanth Naropanth actinfo[SIGQUIT-1].sa_handler == SIG_IGN;
4437c478bd9Sstevel@tonic-gate
4447c478bd9Sstevel@tonic-gate up->p_args[0] = 0;
4457c478bd9Sstevel@tonic-gate
4467c478bd9Sstevel@tonic-gate /*
4477c478bd9Sstevel@tonic-gate * Process args if there's a chance we'll print it.
4487c478bd9Sstevel@tonic-gate */
4497c478bd9Sstevel@tonic-gate if (lflag) { /* w command needs args */
4507c478bd9Sstevel@tonic-gate clnarglist(info.pr_psargs);
4516a79a301SJason King (void) strlcpy(up->p_args, info.pr_psargs,
4526a79a301SJason King sizeof (up->p_args));
4537c478bd9Sstevel@tonic-gate if (up->p_args[0] == 0 ||
4547c478bd9Sstevel@tonic-gate up->p_args[0] == '-' &&
4557c478bd9Sstevel@tonic-gate up->p_args[1] <= ' ' ||
4567c478bd9Sstevel@tonic-gate up->p_args[0] == '?') {
4576a79a301SJason King (void) strlcat(up->p_args, " (",
4586a79a301SJason King sizeof (up->p_args));
4596a79a301SJason King (void) strlcat(up->p_args, up->p_comm,
4606a79a301SJason King sizeof (up->p_args));
4616a79a301SJason King (void) strlcat(up->p_args, ")",
4626a79a301SJason King sizeof (up->p_args));
4637c478bd9Sstevel@tonic-gate }
4647c478bd9Sstevel@tonic-gate }
4657c478bd9Sstevel@tonic-gate
4667c478bd9Sstevel@tonic-gate }
4677c478bd9Sstevel@tonic-gate
4687c478bd9Sstevel@tonic-gate /*
4697c478bd9Sstevel@tonic-gate * link pgrp together in case parents go away
4707c478bd9Sstevel@tonic-gate * Pgrp chain is a single linked list originating
4717c478bd9Sstevel@tonic-gate * from the pgrp leader to its group member.
4727c478bd9Sstevel@tonic-gate */
4737c478bd9Sstevel@tonic-gate if (info.pr_pgid != info.pr_pid) { /* not pgrp leader */
4747c478bd9Sstevel@tonic-gate pgrp = findhash(info.pr_pgid);
4757c478bd9Sstevel@tonic-gate up->p_pgrplink = pgrp->p_pgrplink;
4767c478bd9Sstevel@tonic-gate pgrp->p_pgrplink = up;
4777c478bd9Sstevel@tonic-gate }
4787c478bd9Sstevel@tonic-gate parent = findhash(info.pr_ppid);
4797c478bd9Sstevel@tonic-gate
4807c478bd9Sstevel@tonic-gate /* if this is the new member, link it in */
4817c478bd9Sstevel@tonic-gate if (parent->p_upid != INITPROCESS) {
4827c478bd9Sstevel@tonic-gate if (parent->p_child) {
4837c478bd9Sstevel@tonic-gate up->p_sibling = parent->p_child;
4847c478bd9Sstevel@tonic-gate up->p_child = 0;
4857c478bd9Sstevel@tonic-gate }
4867c478bd9Sstevel@tonic-gate parent->p_child = up;
4877c478bd9Sstevel@tonic-gate }
4887c478bd9Sstevel@tonic-gate
4897c478bd9Sstevel@tonic-gate }
4907c478bd9Sstevel@tonic-gate
4917c478bd9Sstevel@tonic-gate /* revert to non-privileged user */
4926a79a301SJason King __priv_relinquish();
4936a79a301SJason King if (getuid() == 0) {
4946a79a301SJason King /*
4956a79a301SJason King * Since the privilege bracketing functions are effectively
4966a79a301SJason King * no-ops when running as root, we must explicitly
4976a79a301SJason King * relinquish PRIV_PROC_OWNER ourselves.
4986a79a301SJason King */
4996a79a301SJason King pset = priv_allocset();
5006a79a301SJason King if (pset == NULL) {
5016a79a301SJason King err(EXIT_FAILURE,
5026a79a301SJason King gettext("failed to allocate privilege set"));
5036a79a301SJason King }
5046a79a301SJason King
5056a79a301SJason King priv_emptyset(pset);
5066a79a301SJason King
5076a79a301SJason King if (priv_addset(pset, PRIV_PROC_OWNER) != 0) {
5086a79a301SJason King err(EXIT_FAILURE, gettext("failed to add "
5096a79a301SJason King "PRIV_PROC_OWNER to privilege set"));
5106a79a301SJason King }
5116a79a301SJason King
5126a79a301SJason King if (setppriv(PRIV_OFF, PRIV_PERMITTED, pset) != 0) {
5136a79a301SJason King err(EXIT_FAILURE,
5146a79a301SJason King gettext("failed to set permitted privilege set"));
5156a79a301SJason King }
5166a79a301SJason King
5176a79a301SJason King priv_freeset(pset);
5186a79a301SJason King pset = NULL;
5196a79a301SJason King }
5207c478bd9Sstevel@tonic-gate
5217c478bd9Sstevel@tonic-gate (void) closedir(dirp);
5227c478bd9Sstevel@tonic-gate (void) time(&now); /* get current time */
5237c478bd9Sstevel@tonic-gate
5247c478bd9Sstevel@tonic-gate /*
5257c478bd9Sstevel@tonic-gate * loop through utmpx file, printing process info
5267c478bd9Sstevel@tonic-gate * about each logged in user
5277c478bd9Sstevel@tonic-gate */
5287c478bd9Sstevel@tonic-gate for (ut = utmpbegin; ut < utmpend; ut++) {
5297c478bd9Sstevel@tonic-gate time_t tim;
5307c478bd9Sstevel@tonic-gate
5317c478bd9Sstevel@tonic-gate if (ut->ut_type != USER_PROCESS)
5327c478bd9Sstevel@tonic-gate continue;
5337c478bd9Sstevel@tonic-gate if (sel_user && strncmp(ut->ut_name, sel_user, NMAX) != 0)
5347c478bd9Sstevel@tonic-gate continue; /* we're looking for somebody else */
5357c478bd9Sstevel@tonic-gate if (lflag) { /* -l flag format (w command) */
5367c478bd9Sstevel@tonic-gate /* print login name of the user */
5370a1278f2SGary Mills (void) printf("%-*.*s ", LOGIN_WIDTH, (int)NMAX,
5380a1278f2SGary Mills ut->ut_name);
5397c478bd9Sstevel@tonic-gate
5407c478bd9Sstevel@tonic-gate /* print tty user is on */
541f0540631SGary Mills (void) printf("%-*.*s ", LINE_WIDTH, (int)LMAX,
5420a1278f2SGary Mills ut->ut_line);
5437c478bd9Sstevel@tonic-gate
5447c478bd9Sstevel@tonic-gate /* print when the user logged in */
5457c478bd9Sstevel@tonic-gate tim = ut->ut_xtime;
5467c478bd9Sstevel@tonic-gate (void) prtat(&tim);
5477c478bd9Sstevel@tonic-gate
5487c478bd9Sstevel@tonic-gate /* print idle time */
5497c478bd9Sstevel@tonic-gate idle = findidle(ut->ut_line);
550f0540631SGary Mills prttime(idle, 8);
5517c478bd9Sstevel@tonic-gate showtotals(findhash((pid_t)ut->ut_pid));
5527c478bd9Sstevel@tonic-gate } else { /* standard whodo format */
5537c478bd9Sstevel@tonic-gate tim = ut->ut_xtime;
5547c478bd9Sstevel@tonic-gate tm = localtime(&tim);
5557c478bd9Sstevel@tonic-gate (void) printf("\n%-*.*s %-*.*s %2.1d:%2.2d\n",
5560a1278f2SGary Mills LINE_WIDTH, (int)LMAX, ut->ut_line,
5570a1278f2SGary Mills LOGIN_WIDTH, (int)NMAX, ut->ut_name, tm->tm_hour,
5580a1278f2SGary Mills tm->tm_min);
5597c478bd9Sstevel@tonic-gate showproc(findhash((pid_t)ut->ut_pid));
5607c478bd9Sstevel@tonic-gate }
5617c478bd9Sstevel@tonic-gate }
5627c478bd9Sstevel@tonic-gate
5637c478bd9Sstevel@tonic-gate return (0);
5647c478bd9Sstevel@tonic-gate }
5657c478bd9Sstevel@tonic-gate
5667c478bd9Sstevel@tonic-gate /*
5677c478bd9Sstevel@tonic-gate * Used for standard whodo format.
5687c478bd9Sstevel@tonic-gate * This is the recursive routine descending the process
5697c478bd9Sstevel@tonic-gate * tree starting from the given process pointer(up).
5707c478bd9Sstevel@tonic-gate * It used depth-first search strategy and also marked
5717c478bd9Sstevel@tonic-gate * each node as printed as it traversed down the tree.
5727c478bd9Sstevel@tonic-gate */
5737c478bd9Sstevel@tonic-gate static void
showproc(struct uproc * up)5747c478bd9Sstevel@tonic-gate showproc(struct uproc *up)
5757c478bd9Sstevel@tonic-gate {
5767c478bd9Sstevel@tonic-gate struct uproc *zp;
5777c478bd9Sstevel@tonic-gate
5787c478bd9Sstevel@tonic-gate if (up->p_state == VISITED) /* we already been here */
5797c478bd9Sstevel@tonic-gate return;
5807c478bd9Sstevel@tonic-gate /* print the data for this process */
5817c478bd9Sstevel@tonic-gate if (up->p_state == ZOMBIE)
5827c478bd9Sstevel@tonic-gate (void) printf(" %-*.*s %5d %4.1ld:%2.2ld %s\n",
5830a1278f2SGary Mills LINE_WIDTH, (int)LMAX, " ?", (int)up->p_upid, 0L, 0L,
5840a1278f2SGary Mills "<defunct>");
5857c478bd9Sstevel@tonic-gate else if (up->p_state != NONE) {
5867c478bd9Sstevel@tonic-gate (void) printf(" %-*.*s %5d %4.1ld:%2.2ld %s\n",
5870a1278f2SGary Mills LINE_WIDTH, (int)LMAX, getty(up->p_ttyd), (int)up->p_upid,
5887c478bd9Sstevel@tonic-gate up->p_time / 60L, up->p_time % 60L,
5897c478bd9Sstevel@tonic-gate up->p_comm);
5907c478bd9Sstevel@tonic-gate }
5917c478bd9Sstevel@tonic-gate up->p_state = VISITED;
5927c478bd9Sstevel@tonic-gate
5937c478bd9Sstevel@tonic-gate /* descend for its children */
5947c478bd9Sstevel@tonic-gate if (up->p_child) {
5957c478bd9Sstevel@tonic-gate showproc(up->p_child);
5967c478bd9Sstevel@tonic-gate for (zp = up->p_child->p_sibling; zp; zp = zp->p_sibling) {
5977c478bd9Sstevel@tonic-gate showproc(zp);
5987c478bd9Sstevel@tonic-gate }
5997c478bd9Sstevel@tonic-gate }
6007c478bd9Sstevel@tonic-gate
6017c478bd9Sstevel@tonic-gate /* print the pgrp relation */
6027c478bd9Sstevel@tonic-gate if (up->p_pgrplink)
6037c478bd9Sstevel@tonic-gate showproc(up->p_pgrplink);
6047c478bd9Sstevel@tonic-gate }
6057c478bd9Sstevel@tonic-gate
6067c478bd9Sstevel@tonic-gate
6077c478bd9Sstevel@tonic-gate /*
6087c478bd9Sstevel@tonic-gate * Used for -l flag (w command) format.
6097c478bd9Sstevel@tonic-gate * Prints the CPU time for all processes & children,
6107c478bd9Sstevel@tonic-gate * and the cpu time for interesting process,
6117c478bd9Sstevel@tonic-gate * and what the user is doing.
6127c478bd9Sstevel@tonic-gate */
6137c478bd9Sstevel@tonic-gate static void
showtotals(struct uproc * up)6147c478bd9Sstevel@tonic-gate showtotals(struct uproc *up)
6157c478bd9Sstevel@tonic-gate {
6167c478bd9Sstevel@tonic-gate jobtime = 0;
6177c478bd9Sstevel@tonic-gate proctime = 0;
6187c478bd9Sstevel@tonic-gate empty = 1;
6197c478bd9Sstevel@tonic-gate curpid = -1;
6206a79a301SJason King
6216a79a301SJason King /* default act: normally never prints */
6226a79a301SJason King (void) strlcpy(doing, "-", sizeof (doing));
6237c478bd9Sstevel@tonic-gate calctotals(up);
6247c478bd9Sstevel@tonic-gate
6257c478bd9Sstevel@tonic-gate /* print CPU time for all processes & children */
6267c478bd9Sstevel@tonic-gate /* and need to convert clock ticks to seconds first */
627f0540631SGary Mills prttime((time_t)jobtime, 8);
6287c478bd9Sstevel@tonic-gate
6297c478bd9Sstevel@tonic-gate /* print cpu time for interesting process */
6307c478bd9Sstevel@tonic-gate /* and need to convert clock ticks to seconds first */
631f0540631SGary Mills prttime((time_t)proctime, 8);
6327c478bd9Sstevel@tonic-gate
6337c478bd9Sstevel@tonic-gate /* what user is doing, current process */
634f0540631SGary Mills (void) printf("%-.32s\n", doing);
6357c478bd9Sstevel@tonic-gate }
6367c478bd9Sstevel@tonic-gate
6377c478bd9Sstevel@tonic-gate /*
6387c478bd9Sstevel@tonic-gate * Used for -l flag (w command) format.
6397c478bd9Sstevel@tonic-gate * This recursive routine descends the process
6407c478bd9Sstevel@tonic-gate * tree starting from the given process pointer(up).
6417c478bd9Sstevel@tonic-gate * It used depth-first search strategy and also marked
6427c478bd9Sstevel@tonic-gate * each node as visited as it traversed down the tree.
6437c478bd9Sstevel@tonic-gate * It calculates the process time for all processes &
6447c478bd9Sstevel@tonic-gate * children. It also finds the "interesting" process
6457c478bd9Sstevel@tonic-gate * and determines its cpu time and command.
6467c478bd9Sstevel@tonic-gate */
6477c478bd9Sstevel@tonic-gate static void
calctotals(struct uproc * up)6487c478bd9Sstevel@tonic-gate calctotals(struct uproc *up)
6497c478bd9Sstevel@tonic-gate {
6507c478bd9Sstevel@tonic-gate struct uproc *zp;
6517c478bd9Sstevel@tonic-gate
6527c478bd9Sstevel@tonic-gate if (up->p_state == VISITED)
6537c478bd9Sstevel@tonic-gate return;
6547c478bd9Sstevel@tonic-gate up->p_state = VISITED;
6557c478bd9Sstevel@tonic-gate if (up->p_state == NONE || up->p_state == ZOMBIE)
6567c478bd9Sstevel@tonic-gate return;
6577c478bd9Sstevel@tonic-gate jobtime += up->p_time + up->p_ctime;
6587c478bd9Sstevel@tonic-gate proctime += up->p_time;
6597c478bd9Sstevel@tonic-gate
6607c478bd9Sstevel@tonic-gate if (empty && !up->p_igintr) {
6617c478bd9Sstevel@tonic-gate empty = 0;
6627c478bd9Sstevel@tonic-gate curpid = -1;
6637c478bd9Sstevel@tonic-gate }
6647c478bd9Sstevel@tonic-gate
6657c478bd9Sstevel@tonic-gate if (up->p_upid > curpid && (!up->p_igintr || empty)) {
6667c478bd9Sstevel@tonic-gate curpid = up->p_upid;
6676a79a301SJason King (void) strlcpy(doing, up->p_args, sizeof (doing));
6687c478bd9Sstevel@tonic-gate }
6697c478bd9Sstevel@tonic-gate
6707c478bd9Sstevel@tonic-gate /* descend for its children */
6717c478bd9Sstevel@tonic-gate if (up->p_child) {
6727c478bd9Sstevel@tonic-gate calctotals(up->p_child);
6737c478bd9Sstevel@tonic-gate for (zp = up->p_child->p_sibling; zp; zp = zp->p_sibling)
6747c478bd9Sstevel@tonic-gate calctotals(zp);
6757c478bd9Sstevel@tonic-gate }
6767c478bd9Sstevel@tonic-gate }
6777c478bd9Sstevel@tonic-gate
6787c478bd9Sstevel@tonic-gate static char *
devadd(const char * name,dev_t ddev)6796a79a301SJason King devadd(const char *name, dev_t ddev)
6807c478bd9Sstevel@tonic-gate {
6817c478bd9Sstevel@tonic-gate struct devl *dp;
6827c478bd9Sstevel@tonic-gate int leng, start, i;
6837c478bd9Sstevel@tonic-gate
6847c478bd9Sstevel@tonic-gate if (ndevs == maxdev) {
6856a79a301SJason King uint_t newdev;
6866a79a301SJason King
6876a79a301SJason King newdev = maxdev + DNINCR;
6886a79a301SJason King if (newdev < DNINCR)
6896a79a301SJason King errx(EXIT_FAILURE, gettext("devadd overflow"));
6906a79a301SJason King
6916a79a301SJason King dp = recallocarray(devl, maxdev, newdev, sizeof (struct devl));
6926a79a301SJason King if (dp == NULL)
6936a79a301SJason King err(EXIT_FAILURE, gettext("out of memory!"));
6946a79a301SJason King maxdev = newdev;
6957c478bd9Sstevel@tonic-gate devl = dp;
6967c478bd9Sstevel@tonic-gate }
6977c478bd9Sstevel@tonic-gate dp = &devl[ndevs++];
6987c478bd9Sstevel@tonic-gate
6997c478bd9Sstevel@tonic-gate dp->ddev = ddev;
7007c478bd9Sstevel@tonic-gate if (name == NULL) {
7016a79a301SJason King (void) strlcpy(dp->dname, " ? ", sizeof (dp->dname));
7027c478bd9Sstevel@tonic-gate return (dp->dname);
7037c478bd9Sstevel@tonic-gate }
7047c478bd9Sstevel@tonic-gate
7057c478bd9Sstevel@tonic-gate leng = strlen(name);
7067c478bd9Sstevel@tonic-gate if (leng < DEVNAMELEN + 4) {
7077c478bd9Sstevel@tonic-gate /* strip off "/dev/" */
7086a79a301SJason King (void) strlcpy(dp->dname, &name[5], sizeof (dp->dname));
7097c478bd9Sstevel@tonic-gate } else {
7107c478bd9Sstevel@tonic-gate /* strip enough off the front to fit */
7117c478bd9Sstevel@tonic-gate start = leng - DEVNAMELEN - 1;
7127c478bd9Sstevel@tonic-gate
7137c478bd9Sstevel@tonic-gate for (i = start; i < leng && name[i] != '/'; i++)
7147c478bd9Sstevel@tonic-gate ;
7157c478bd9Sstevel@tonic-gate if (i == leng)
7166a79a301SJason King (void) strlcpy(dp->dname, &name[start], DEVNAMELEN);
7177c478bd9Sstevel@tonic-gate else
7186a79a301SJason King (void) strlcpy(dp->dname, &name[i+1], DEVNAMELEN);
7197c478bd9Sstevel@tonic-gate }
7207c478bd9Sstevel@tonic-gate return (dp->dname);
7217c478bd9Sstevel@tonic-gate }
7227c478bd9Sstevel@tonic-gate
7237c478bd9Sstevel@tonic-gate static char *
devlookup(dev_t ddev)7247c478bd9Sstevel@tonic-gate devlookup(dev_t ddev)
7257c478bd9Sstevel@tonic-gate {
7267c478bd9Sstevel@tonic-gate struct devl *dp;
7277c478bd9Sstevel@tonic-gate int i;
7287c478bd9Sstevel@tonic-gate
7297c478bd9Sstevel@tonic-gate for (dp = devl, i = 0; i < ndevs; dp++, i++) {
7307c478bd9Sstevel@tonic-gate if (dp->ddev == ddev)
7317c478bd9Sstevel@tonic-gate return (dp->dname);
7327c478bd9Sstevel@tonic-gate }
7337c478bd9Sstevel@tonic-gate return (NULL);
7347c478bd9Sstevel@tonic-gate }
7357c478bd9Sstevel@tonic-gate
7367c478bd9Sstevel@tonic-gate /*
7377c478bd9Sstevel@tonic-gate * This routine gives back a corresponding device name
7387c478bd9Sstevel@tonic-gate * from the device number given.
7397c478bd9Sstevel@tonic-gate */
7407c478bd9Sstevel@tonic-gate static char *
getty(dev_t dev)7417c478bd9Sstevel@tonic-gate getty(dev_t dev)
7427c478bd9Sstevel@tonic-gate {
7437c478bd9Sstevel@tonic-gate extern char *_ttyname_dev(dev_t, char *, size_t);
7447c478bd9Sstevel@tonic-gate char devname[TTYNAME_MAX];
7457c478bd9Sstevel@tonic-gate char *retval;
7467c478bd9Sstevel@tonic-gate
7477c478bd9Sstevel@tonic-gate if (dev == PRNODEV)
7487c478bd9Sstevel@tonic-gate return (" ? ");
7497c478bd9Sstevel@tonic-gate
7507c478bd9Sstevel@tonic-gate if ((retval = devlookup(dev)) != NULL)
7517c478bd9Sstevel@tonic-gate return (retval);
7527c478bd9Sstevel@tonic-gate
7537c478bd9Sstevel@tonic-gate retval = _ttyname_dev(dev, devname, sizeof (devname));
7547c478bd9Sstevel@tonic-gate return (devadd(retval, dev));
7557c478bd9Sstevel@tonic-gate }
7567c478bd9Sstevel@tonic-gate
7577c478bd9Sstevel@tonic-gate /*
7587c478bd9Sstevel@tonic-gate * Findhash finds the appropriate entry in the process
7597c478bd9Sstevel@tonic-gate * hash table (pr_htbl) for the given pid in case that
7607c478bd9Sstevel@tonic-gate * pid exists on the hash chain. It returns back a pointer
7617c478bd9Sstevel@tonic-gate * to that uproc structure. If this is a new pid, it allocates
7627c478bd9Sstevel@tonic-gate * a new node, initializes it, links it into the chain (after
7637c478bd9Sstevel@tonic-gate * head) and returns a structure pointer.
7647c478bd9Sstevel@tonic-gate */
7657c478bd9Sstevel@tonic-gate static struct uproc *
findhash(pid_t pid)7667c478bd9Sstevel@tonic-gate findhash(pid_t pid)
7677c478bd9Sstevel@tonic-gate {
7687c478bd9Sstevel@tonic-gate struct uproc *up, *tp;
7697c478bd9Sstevel@tonic-gate
7707c478bd9Sstevel@tonic-gate tp = up = &pr_htbl[(int)pid % HSIZE];
7717c478bd9Sstevel@tonic-gate if (up->p_upid == 0) { /* empty slot */
7727c478bd9Sstevel@tonic-gate up->p_upid = pid;
7737c478bd9Sstevel@tonic-gate up->p_state = NONE;
7747c478bd9Sstevel@tonic-gate up->p_child = up->p_sibling = up->p_pgrplink = up->p_link = 0;
7757c478bd9Sstevel@tonic-gate return (up);
7767c478bd9Sstevel@tonic-gate }
7777c478bd9Sstevel@tonic-gate if (up->p_upid == pid) { /* found in hash table */
7787c478bd9Sstevel@tonic-gate return (up);
7797c478bd9Sstevel@tonic-gate }
7807c478bd9Sstevel@tonic-gate for (tp = up->p_link; tp; tp = tp->p_link) { /* follow chain */
7817c478bd9Sstevel@tonic-gate if (tp->p_upid == pid) {
7827c478bd9Sstevel@tonic-gate return (tp);
7837c478bd9Sstevel@tonic-gate }
7847c478bd9Sstevel@tonic-gate }
7857c478bd9Sstevel@tonic-gate tp = malloc(sizeof (*tp)); /* add new node */
7866a79a301SJason King if (tp == NULL)
7876a79a301SJason King err(EXIT_FAILURE, gettext("out of memory!"));
7886a79a301SJason King
7897c478bd9Sstevel@tonic-gate (void) memset((char *)tp, 0, sizeof (*tp));
7907c478bd9Sstevel@tonic-gate tp->p_upid = pid;
7917c478bd9Sstevel@tonic-gate tp->p_state = NONE;
7927c478bd9Sstevel@tonic-gate tp->p_child = tp->p_sibling = tp->p_pgrplink = (pid_t)0;
7937c478bd9Sstevel@tonic-gate tp->p_link = up->p_link; /* insert after head */
7947c478bd9Sstevel@tonic-gate up->p_link = tp;
7957c478bd9Sstevel@tonic-gate return (tp);
7967c478bd9Sstevel@tonic-gate }
7977c478bd9Sstevel@tonic-gate
7987c478bd9Sstevel@tonic-gate #define HR (60 * 60)
7997c478bd9Sstevel@tonic-gate #define DAY (24 * HR)
8007c478bd9Sstevel@tonic-gate #define MON (30 * DAY)
801f0540631SGary Mills #define PRINTF(a) (void) printf a
8027c478bd9Sstevel@tonic-gate
8037c478bd9Sstevel@tonic-gate /*
804f0540631SGary Mills * Prttime prints an elapsed time in hours, minutes, or seconds,
805f0540631SGary Mills * right-justified with the rightmost column always blank.
806f0540631SGary Mills * The second argument is the minimum field width.
8077c478bd9Sstevel@tonic-gate */
8087c478bd9Sstevel@tonic-gate static void
prttime(time_t tim,int width)809f0540631SGary Mills prttime(time_t tim, int width)
8107c478bd9Sstevel@tonic-gate {
811f0540631SGary Mills char value[36];
812f0540631SGary Mills
813f0540631SGary Mills if (tim >= 36 * 60) {
814f0540631SGary Mills (void) snprintf(value, sizeof (value), "%d:%02d:%02d",
815f0540631SGary Mills (int)tim / HR, (int)(tim % HR) / 60, (int)tim % 60);
816f0540631SGary Mills } else if (tim >= 60) {
817f0540631SGary Mills (void) snprintf(value, sizeof (value), "%d:%02d",
818f0540631SGary Mills (int)tim / 60, (int)tim % 60);
819f0540631SGary Mills } else if (tim > 0) {
820f0540631SGary Mills (void) snprintf(value, sizeof (value), "%d", (int)tim);
821f0540631SGary Mills } else {
822f0540631SGary Mills (void) strcpy(value, "0");
823f0540631SGary Mills }
824f0540631SGary Mills width = (width > 2) ? width - 1 : 1;
825f0540631SGary Mills PRINTF(("%*s ", width, value));
8267c478bd9Sstevel@tonic-gate }
8277c478bd9Sstevel@tonic-gate
8287c478bd9Sstevel@tonic-gate /*
829f0540631SGary Mills * Prints the ISO date or time given a pointer to a time of day,
830f0540631SGary Mills * left-justfied in a 12-character expanding field with the
831f0540631SGary Mills * rightmost column always blank.
832f0540631SGary Mills * Includes a dcgettext() override in case a message catalog is needed.
8337c478bd9Sstevel@tonic-gate */
8347c478bd9Sstevel@tonic-gate static void
prtat(time_t * time)8357c478bd9Sstevel@tonic-gate prtat(time_t *time)
8367c478bd9Sstevel@tonic-gate {
837f0540631SGary Mills struct tm *p;
8387c478bd9Sstevel@tonic-gate
8397c478bd9Sstevel@tonic-gate p = localtime(time);
8407c478bd9Sstevel@tonic-gate if (now - *time <= 18 * HR) {
8417c478bd9Sstevel@tonic-gate char timestr[50];
842f0540631SGary Mills
8437c478bd9Sstevel@tonic-gate (void) strftime(timestr, sizeof (timestr),
844f0540631SGary Mills dcgettext(NULL, "%T", LC_TIME), p);
845f0540631SGary Mills PRINTF(("%-11s ", timestr));
8467c478bd9Sstevel@tonic-gate } else if (now - *time <= 7 * DAY) {
8477c478bd9Sstevel@tonic-gate char weekdaytime[20];
8487c478bd9Sstevel@tonic-gate
8497c478bd9Sstevel@tonic-gate (void) strftime(weekdaytime, sizeof (weekdaytime),
850f0540631SGary Mills dcgettext(NULL, "%a %H:%M", LC_TIME), p);
851f0540631SGary Mills PRINTF(("%-11s ", weekdaytime));
8527c478bd9Sstevel@tonic-gate } else {
8537c478bd9Sstevel@tonic-gate char monthtime[20];
8547c478bd9Sstevel@tonic-gate
8557c478bd9Sstevel@tonic-gate (void) strftime(monthtime, sizeof (monthtime),
856f0540631SGary Mills dcgettext(NULL, "%F", LC_TIME), p);
857f0540631SGary Mills PRINTF(("%-11s ", monthtime));
8587c478bd9Sstevel@tonic-gate }
8597c478bd9Sstevel@tonic-gate }
8607c478bd9Sstevel@tonic-gate
8617c478bd9Sstevel@tonic-gate /*
8627c478bd9Sstevel@tonic-gate * find & return number of minutes current tty has been idle
8637c478bd9Sstevel@tonic-gate */
8647c478bd9Sstevel@tonic-gate static time_t
findidle(char * devname)8657c478bd9Sstevel@tonic-gate findidle(char *devname)
8667c478bd9Sstevel@tonic-gate {
8677c478bd9Sstevel@tonic-gate struct stat stbuf;
8687c478bd9Sstevel@tonic-gate time_t lastaction, diff;
8697c478bd9Sstevel@tonic-gate char ttyname[64];
8707c478bd9Sstevel@tonic-gate
8716a79a301SJason King (void) strlcpy(ttyname, "/dev/", sizeof (ttyname));
8726a79a301SJason King (void) strlcat(ttyname, devname, sizeof (ttyname));
8737c478bd9Sstevel@tonic-gate if (stat(ttyname, &stbuf) != -1) {
8747c478bd9Sstevel@tonic-gate lastaction = stbuf.st_atime;
8757c478bd9Sstevel@tonic-gate diff = now - lastaction;
8767c478bd9Sstevel@tonic-gate diff = DIV60(diff);
8777c478bd9Sstevel@tonic-gate if (diff < 0)
8787c478bd9Sstevel@tonic-gate diff = 0;
8797c478bd9Sstevel@tonic-gate } else
8807c478bd9Sstevel@tonic-gate diff = 0;
8817c478bd9Sstevel@tonic-gate return (diff);
8827c478bd9Sstevel@tonic-gate }
8837c478bd9Sstevel@tonic-gate
8847c478bd9Sstevel@tonic-gate /*
8857c478bd9Sstevel@tonic-gate * given a pointer to the argument string clean out unsavory characters.
8867c478bd9Sstevel@tonic-gate */
8877c478bd9Sstevel@tonic-gate static void
clnarglist(char * arglist)8887c478bd9Sstevel@tonic-gate clnarglist(char *arglist)
8897c478bd9Sstevel@tonic-gate {
8907c478bd9Sstevel@tonic-gate char *c;
8917c478bd9Sstevel@tonic-gate int err = 0;
8927c478bd9Sstevel@tonic-gate
8937c478bd9Sstevel@tonic-gate /* get rid of unsavory characters */
89461aaa916SToomas Soome for (c = arglist; *c == '\0'; c++) {
8957c478bd9Sstevel@tonic-gate if ((*c < ' ') || (*c > 0176)) {
8967c478bd9Sstevel@tonic-gate if (err++ > 5) {
89761aaa916SToomas Soome *arglist = '\0';
8987c478bd9Sstevel@tonic-gate break;
8997c478bd9Sstevel@tonic-gate }
9007c478bd9Sstevel@tonic-gate *c = '?';
9017c478bd9Sstevel@tonic-gate }
9027c478bd9Sstevel@tonic-gate }
9037c478bd9Sstevel@tonic-gate }
9046a79a301SJason King
9056a79a301SJason King static int
priv_proc_open(const char * path,int oflag)9066a79a301SJason King priv_proc_open(const char *path, int oflag)
9076a79a301SJason King {
9086a79a301SJason King int fd, errsave = 0;
9096a79a301SJason King
9106a79a301SJason King if (__priv_bracket(PRIV_ON) != 0)
9116a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed"));
9126a79a301SJason King
9136a79a301SJason King do {
9146a79a301SJason King fd = open(path, oflag);
9156a79a301SJason King if (fd < 0)
9166a79a301SJason King errsave = errno;
9176a79a301SJason King } while (fd < 0 && errno == EAGAIN);
9186a79a301SJason King
9196a79a301SJason King if (__priv_bracket(PRIV_OFF) != 0)
9206a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed"));
9216a79a301SJason King
9226a79a301SJason King if (fd < 0)
9236a79a301SJason King errno = errsave;
9246a79a301SJason King
9256a79a301SJason King return (fd);
9266a79a301SJason King }
9276a79a301SJason King
9286a79a301SJason King static int
priv_proc_openat(int dfd,const char * path,int mode)9296a79a301SJason King priv_proc_openat(int dfd, const char *path, int mode)
9306a79a301SJason King {
9316a79a301SJason King int fd, errsave = 0;
9326a79a301SJason King
9336a79a301SJason King if (__priv_bracket(PRIV_ON) != 0)
9346a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed"));
9356a79a301SJason King
9366a79a301SJason King do {
9376a79a301SJason King fd = openat(dfd, path, mode);
9386a79a301SJason King if (fd < 0)
9396a79a301SJason King errsave = errno;
9406a79a301SJason King } while (fd < 0 && errno == EAGAIN);
9416a79a301SJason King
9426a79a301SJason King if (__priv_bracket(PRIV_OFF) != 0)
9436a79a301SJason King err(EXIT_FAILURE, gettext("privilege bracketing failed"));
9446a79a301SJason King
9456a79a301SJason King if (fd < 0)
9466a79a301SJason King errno = errsave;
9476a79a301SJason King
9486a79a301SJason King return (fd);
9496a79a301SJason King }
9506a79a301SJason King
9516a79a301SJason King static boolean_t
do_proc_read(int fd,void * buf,size_t bufsize)9526a79a301SJason King do_proc_read(int fd, void *buf, size_t bufsize)
9536a79a301SJason King {
9546a79a301SJason King ssize_t n;
9556a79a301SJason King
9566a79a301SJason King do {
9576a79a301SJason King n = pread(fd, buf, bufsize, 0);
9586a79a301SJason King if (n == bufsize)
9596a79a301SJason King return (B_TRUE);
9606a79a301SJason King /*
9616a79a301SJason King * Retry on a partial read or EAGAIN, otherwise fail
9626a79a301SJason King */
9636a79a301SJason King } while (n >= 0 || errno == EAGAIN);
9646a79a301SJason King
9656a79a301SJason King return (B_FALSE);
9666a79a301SJason King }
967