c23d2a42d7
In addition to adding missing `static' keywords: - bin/dd: Pull in `extern.h' to guarantee consistency with source file. - libexec/rpc.rusersd: Move shared globals into an extern.h. - libexec/talkd: Move `debug' and `hostname' into extern.h. - usr.bin/cksum: Put counters in extern.h, as they are used by ckdist/mtree. - usr.bin/m4: Move `end_result' into extern.h. - usr.sbin/services_mkdb: Move shared globals into an extern.h.
337 lines
7.8 KiB
C
337 lines
7.8 KiB
C
/*-
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* Copyright (c) 1993, John Brezak
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#ifdef DEBUG
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#include <errno.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <utmpx.h>
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#ifdef XIDLE
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#include <setjmp.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/xidle.h>
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#endif
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#include <rpcsvc/rnusers.h>
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#include "extern.h"
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#ifndef _PATH_DEV
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#define _PATH_DEV "/dev"
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#endif
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static utmpidle utmp_idle[MAXUSERS];
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static utmp old_utmp[MAXUSERS];
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static struct utmpx utmp_list[MAXUSERS];
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#ifdef XIDLE
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static Display *dpy;
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static jmp_buf openAbort;
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static void
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abortOpen(void)
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{
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longjmp (openAbort, 1);
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}
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XqueryIdle(char *display)
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{
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int first_event, first_error;
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Time IdleTime;
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(void) signal (SIGALRM, abortOpen);
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(void) alarm ((unsigned) 10);
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if (!setjmp (openAbort)) {
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if (!(dpy= XOpenDisplay(display))) {
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syslog(LOG_ERR, "Cannot open display %s", display);
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return(-1);
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}
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if (XidleQueryExtension(dpy, &first_event, &first_error)) {
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if (!XGetIdleTime(dpy, &IdleTime)) {
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syslog(LOG_ERR, "%s: unable to get idle time", display);
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return(-1);
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}
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} else {
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syslog(LOG_ERR, "%s: Xidle extension not loaded", display);
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return(-1);
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}
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XCloseDisplay(dpy);
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} else {
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syslog(LOG_ERR, "%s: server grabbed for over 10 seconds", display);
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return(-1);
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}
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(void) signal (SIGALRM, SIG_DFL);
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(void) alarm ((unsigned) 0);
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IdleTime /= 1000;
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return((IdleTime + 30) / 60);
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}
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#endif
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static u_int
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getidle(const char *tty, const char *display __unused)
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{
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struct stat st;
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char ttyname[PATH_MAX];
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time_t now;
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u_long idle;
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/*
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* If this is an X terminal or console, then try the
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* XIdle extension
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*/
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#ifdef XIDLE
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if (display && *display && (idle = XqueryIdle(display)) >= 0)
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return(idle);
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#endif
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idle = 0;
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if (*tty == 'X') {
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u_long kbd_idle, mouse_idle;
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#if !defined(__FreeBSD__)
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kbd_idle = getidle("kbd", NULL);
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#else
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kbd_idle = getidle("vga", NULL);
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#endif
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mouse_idle = getidle("mouse", NULL);
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idle = (kbd_idle < mouse_idle)?kbd_idle:mouse_idle;
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} else {
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sprintf(ttyname, "%s/%s", _PATH_DEV, tty);
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if (stat(ttyname, &st) < 0) {
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#ifdef DEBUG
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printf("%s: %s\n", ttyname, strerror(errno));
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#endif
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return(-1);
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}
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time(&now);
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#ifdef DEBUG
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printf("%s: now=%d atime=%d\n", ttyname, now,
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st.st_atime);
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#endif
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idle = now - st.st_atime;
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idle = (idle + 30) / 60; /* secs->mins */
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}
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return(idle);
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}
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static utmpidlearr *
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do_names_2(void)
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{
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static utmpidlearr ut;
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struct utmpx *usr;
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int nusers = 0;
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memset(&ut, 0, sizeof(ut));
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ut.utmpidlearr_val = &utmp_idle[0];
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setutxent();
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while ((usr = getutxent()) != NULL && nusers < MAXUSERS) {
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if (usr->ut_type != USER_PROCESS)
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continue;
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memcpy(&utmp_list[nusers], usr, sizeof(*usr));
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utmp_idle[nusers].ui_utmp.ut_time = usr->ut_tv.tv_sec;
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utmp_idle[nusers].ui_idle =
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getidle(usr->ut_line, usr->ut_host);
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utmp_idle[nusers].ui_utmp.ut_line =
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utmp_list[nusers].ut_line;
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utmp_idle[nusers].ui_utmp.ut_name =
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utmp_list[nusers].ut_user;
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utmp_idle[nusers].ui_utmp.ut_host =
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utmp_list[nusers].ut_host;
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nusers++;
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}
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endutxent();
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ut.utmpidlearr_len = nusers;
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return(&ut);
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}
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static int *
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rusers_num(void *argp __unused, struct svc_req *rqstp __unused)
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{
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static int num_users = 0;
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struct utmpx *usr;
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setutxent();
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while ((usr = getutxent()) != NULL) {
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if (usr->ut_type != USER_PROCESS)
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continue;
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num_users++;
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}
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endutxent();
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return(&num_users);
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}
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static utmparr *
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do_names_1(void)
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{
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utmpidlearr *utidle;
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static utmparr ut;
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unsigned int i;
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bzero((char *)&ut, sizeof(ut));
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utidle = do_names_2();
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if (utidle) {
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ut.utmparr_len = utidle->utmpidlearr_len;
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ut.utmparr_val = &old_utmp[0];
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for (i = 0; i < ut.utmparr_len; i++)
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bcopy(&utmp_idle[i].ui_utmp, &old_utmp[i],
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sizeof(old_utmp[0]));
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}
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return(&ut);
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}
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utmpidlearr *
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rusersproc_names_2_svc(void *argp __unused, struct svc_req *rqstp __unused)
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{
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return (do_names_2());
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}
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utmpidlearr *
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rusersproc_allnames_2_svc(void *argp __unused, struct svc_req *rqstp __unused)
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{
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return (do_names_2());
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}
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utmparr *
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rusersproc_names_1_svc(void *argp __unused, struct svc_req *rqstp __unused)
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{
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return (do_names_1());
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}
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utmparr *
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rusersproc_allnames_1_svc(void *argp __unused, struct svc_req *rqstp __unused)
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{
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return (do_names_1());
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}
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typedef void *(*rusersproc_t)(void *, struct svc_req *);
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void
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rusers_service(struct svc_req *rqstp, SVCXPRT *transp)
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{
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union {
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int fill;
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} argument;
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char *result;
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xdrproc_t xdr_argument, xdr_result;
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rusersproc_t local;
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switch (rqstp->rq_proc) {
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case NULLPROC:
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(void)svc_sendreply(transp, (xdrproc_t)xdr_void, NULL);
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goto leave;
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case RUSERSPROC_NUM:
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xdr_argument = (xdrproc_t)xdr_void;
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xdr_result = (xdrproc_t)xdr_int;
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local = (rusersproc_t)rusers_num;
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break;
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case RUSERSPROC_NAMES:
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xdr_argument = (xdrproc_t)xdr_void;
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xdr_result = (xdrproc_t)xdr_utmpidlearr;
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switch (rqstp->rq_vers) {
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case RUSERSVERS_ORIG:
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local = (rusersproc_t)rusersproc_names_1_svc;
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break;
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case RUSERSVERS_IDLE:
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local = (rusersproc_t)rusersproc_names_2_svc;
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break;
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default:
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svcerr_progvers(transp, RUSERSVERS_ORIG, RUSERSVERS_IDLE);
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goto leave;
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/*NOTREACHED*/
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}
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break;
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case RUSERSPROC_ALLNAMES:
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xdr_argument = (xdrproc_t)xdr_void;
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xdr_result = (xdrproc_t)xdr_utmpidlearr;
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switch (rqstp->rq_vers) {
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case RUSERSVERS_ORIG:
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local = (rusersproc_t)rusersproc_allnames_1_svc;
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break;
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case RUSERSVERS_IDLE:
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local = (rusersproc_t)rusersproc_allnames_2_svc;
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break;
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default:
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svcerr_progvers(transp, RUSERSVERS_ORIG, RUSERSVERS_IDLE);
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goto leave;
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/*NOTREACHED*/
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}
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break;
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default:
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svcerr_noproc(transp);
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goto leave;
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}
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bzero(&argument, sizeof(argument));
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if (!svc_getargs(transp, (xdrproc_t)xdr_argument, &argument)) {
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svcerr_decode(transp);
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goto leave;
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}
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result = (*local)(&argument, rqstp);
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if (result != NULL &&
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!svc_sendreply(transp, (xdrproc_t)xdr_result, result)) {
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svcerr_systemerr(transp);
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}
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if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, &argument)) {
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syslog(LOG_ERR, "unable to free arguments");
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exit(1);
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}
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leave:
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if (from_inetd)
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exit(0);
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}
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