665 lines
15 KiB
C
665 lines
15 KiB
C
/*
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* Copyright (c) 1990 Jan-Simon Pendry
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* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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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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* from: @(#)amq.c 8.1 (Berkeley) 6/7/93
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* $Id: amq.c,v 1.4 1994/06/13 20:48:20 mycroft Exp $
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*/
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/*
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* Automounter query tool
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*/
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#ifndef lint
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char copyright[] = "\
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@(#)Copyright (c) 1990 Jan-Simon Pendry\n\
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@(#)Copyright (c) 1990 Imperial College of Science, Technology & Medicine\n\
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@(#)Copyright (c) 1990, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char rcsid[] = "$Id: amq.c,v 1.4 1994/06/13 20:48:20 mycroft Exp $";
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static char sccsid[] = "@(#)amq.c 8.1 (Berkeley) 6/7/93";
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#endif /* not lint */
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#include "am.h"
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#include "amq.h"
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#include <stdio.h>
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#include <fcntl.h>
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#include <netdb.h>
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static int privsock();
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char *progname;
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static int flush_flag;
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static int minfo_flag;
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static int unmount_flag;
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static int stats_flag;
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static int getvers_flag;
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static char *debug_opts;
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static char *logfile;
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static char *mount_map;
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static char *xlog_optstr;
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static char localhost[] = "localhost";
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static char *def_server = localhost;
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extern int optind;
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extern char *optarg;
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static struct timeval tmo = { 10, 0 };
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#define TIMEOUT tmo
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enum show_opt { Full, Stats, Calc, Short, ShowDone };
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/*
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* If (e) is Calc then just calculate the sizes
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* Otherwise display the mount node on stdout
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*/
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static void show_mti(mt, e, mwid, dwid, twid)
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amq_mount_tree *mt;
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enum show_opt e;
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int *mwid;
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int *dwid;
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int *twid;
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{
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switch (e) {
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case Calc: {
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int mw = strlen(mt->mt_mountinfo);
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int dw = strlen(mt->mt_directory);
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int tw = strlen(mt->mt_type);
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if (mw > *mwid) *mwid = mw;
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if (dw > *dwid) *dwid = dw;
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if (tw > *twid) *twid = tw;
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} break;
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case Full: {
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struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
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printf("%-*.*s %-*.*s %-*.*s %s\n\t%-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
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*dwid, *dwid,
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*mt->mt_directory ? mt->mt_directory : "/", /* XXX */
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*twid, *twid,
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mt->mt_type,
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*mwid, *mwid,
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mt->mt_mountinfo,
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mt->mt_mountpoint,
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mt->mt_mountuid,
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mt->mt_getattr,
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mt->mt_lookup,
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mt->mt_readdir,
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mt->mt_readlink,
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mt->mt_statfs,
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tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
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tp->tm_mon+1, tp->tm_mday,
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tp->tm_hour, tp->tm_min, tp->tm_sec);
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} break;
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case Stats: {
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struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
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printf("%-*.*s %-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
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*dwid, *dwid,
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*mt->mt_directory ? mt->mt_directory : "/", /* XXX */
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mt->mt_mountuid,
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mt->mt_getattr,
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mt->mt_lookup,
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mt->mt_readdir,
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mt->mt_readlink,
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mt->mt_statfs,
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tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
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tp->tm_mon+1, tp->tm_mday,
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tp->tm_hour, tp->tm_min, tp->tm_sec);
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} break;
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case Short: {
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printf("%-*.*s %-*.*s %-*.*s %s\n",
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*dwid, *dwid,
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*mt->mt_directory ? mt->mt_directory : "/",
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*twid, *twid,
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mt->mt_type,
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*mwid, *mwid,
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mt->mt_mountinfo,
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mt->mt_mountpoint);
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} break;
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}
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}
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/*
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* Display a mount tree.
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*/
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static void show_mt(mt, e, mwid, dwid, pwid)
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amq_mount_tree *mt;
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enum show_opt e;
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int *mwid;
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int *dwid;
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int *pwid;
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{
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while (mt) {
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show_mti(mt, e, mwid, dwid, pwid);
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show_mt(mt->mt_next, e, mwid, dwid, pwid);
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mt = mt->mt_child;
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}
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}
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static void show_mi(ml, e, mwid, dwid, twid)
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amq_mount_info_list *ml;
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enum show_opt e;
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int *mwid;
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int *dwid;
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int *twid;
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{
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int i;
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switch (e) {
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case Calc: {
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for (i = 0; i < ml->amq_mount_info_list_len; i++) {
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amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
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int mw = strlen(mi->mi_mountinfo);
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int dw = strlen(mi->mi_mountpt);
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int tw = strlen(mi->mi_type);
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if (mw > *mwid) *mwid = mw;
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if (dw > *dwid) *dwid = dw;
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if (tw > *twid) *twid = tw;
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}
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} break;
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case Full: {
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for (i = 0; i < ml->amq_mount_info_list_len; i++) {
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amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
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printf("%-*.*s %-*.*s %-*.*s %-3d %s is %s",
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*mwid, *mwid, mi->mi_mountinfo,
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*dwid, *dwid, mi->mi_mountpt,
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*twid, *twid, mi->mi_type,
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mi->mi_refc, mi->mi_fserver,
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mi->mi_up > 0 ? "up" :
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mi->mi_up < 0 ? "starting" : "down");
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if (mi->mi_error > 0) {
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#ifdef HAS_STRERROR
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printf(" (%s)", strerror(mi->mi_error));
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#else
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extern char *sys_errlist[];
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extern int sys_nerr;
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if (mi->mi_error < sys_nerr)
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printf(" (%s)", sys_errlist[mi->mi_error]);
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else
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printf(" (Error %d)", mi->mi_error);
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#endif
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} else if (mi->mi_error < 0) {
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fputs(" (in progress)", stdout);
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}
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fputc('\n', stdout);
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}
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} break;
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}
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}
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/*
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* Display general mount statistics
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*/
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static void show_ms(ms)
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amq_mount_stats *ms;
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{
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printf("\
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requests stale mount mount unmount\n\
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deferred fhandles ok failed failed\n\
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%-9d %-9d %-9d %-9d %-9d\n",
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ms->as_drops, ms->as_stale, ms->as_mok, ms->as_merr, ms->as_uerr);
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}
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static bool_t
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xdr_pri_free(xdr_args, args_ptr)
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xdrproc_t xdr_args;
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caddr_t args_ptr;
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{
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XDR xdr;
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xdr.x_op = XDR_FREE;
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return ((*xdr_args)(&xdr, args_ptr));
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}
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#ifdef hpux
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#include <cluster.h>
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static char *cluster_server()
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{
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struct cct_entry *cp;
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if (cnodeid() == 0) {
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/*
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* Not clustered
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*/
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return def_server;
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}
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while (cp = getccent())
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if (cp->cnode_type == 'r')
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return cp->cnode_name;
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return def_server;
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}
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#endif /* hpux */
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/*
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* MAIN
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*/
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int opt_ch;
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int errs = 0;
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char *server;
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struct sockaddr_in server_addr;
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/* In order to pass the Amd security check, we must use a priv port. */
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int s;
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CLIENT *clnt;
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struct hostent *hp;
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int nodefault = 0;
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/*
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* Compute program name
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*/
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if (argv[0]) {
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progname = strrchr(argv[0], '/');
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if (progname && progname[1])
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progname++;
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else
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progname = argv[0];
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}
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if (!progname)
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progname = "amq";
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/*
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* Parse arguments
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*/
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while ((opt_ch = getopt(argc, argv, "fh:l:msuvx:D:M:")) != EOF)
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switch (opt_ch) {
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case 'f':
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flush_flag = 1;
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nodefault = 1;
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break;
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case 'h':
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def_server = optarg;
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break;
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case 'l':
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logfile = optarg;
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nodefault = 1;
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break;
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case 'm':
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minfo_flag = 1;
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nodefault = 1;
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break;
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case 's':
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stats_flag = 1;
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nodefault = 1;
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break;
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case 'u':
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unmount_flag = 1;
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nodefault = 1;
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break;
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case 'v':
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getvers_flag = 1;
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nodefault = 1;
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break;
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case 'x':
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xlog_optstr = optarg;
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nodefault = 1;
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break;
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case 'D':
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debug_opts = optarg;
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nodefault = 1;
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break;
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case 'M':
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mount_map = optarg;
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nodefault = 1;
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break;
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default:
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errs = 1;
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break;
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}
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if (optind == argc) {
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if (unmount_flag)
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errs = 1;
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}
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if (errs) {
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show_usage:
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fprintf(stderr, "\
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Usage: %s [-h host] [[-f] [-m] [-v] [-s]] | [[-u] directory ...]] |\n\
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\t[-l logfile|\"syslog\"] [-x log_flags] [-D dbg_opts] [-M mapent]\n", progname);
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exit(1);
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}
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#ifdef hpux
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/*
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* Figure out root server of cluster
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*/
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if (def_server == localhost)
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server = cluster_server();
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else
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#endif /* hpux */
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server = def_server;
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/*
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* Get address of server
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*/
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if ((hp = gethostbyname(server)) == 0 && strcmp(server, localhost) != 0) {
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fprintf(stderr, "%s: Can't get address of %s\n", progname, server);
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exit(1);
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}
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bzero(&server_addr, sizeof server_addr);
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server_addr.sin_family = AF_INET;
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if (hp) {
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bcopy((voidp) hp->h_addr, (voidp) &server_addr.sin_addr,
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sizeof(server_addr.sin_addr));
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} else {
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/* fake "localhost" */
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server_addr.sin_addr.s_addr = htonl(0x7f000001);
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}
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/*
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* Create RPC endpoint
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*/
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s = privsock(SOCK_STREAM);
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clnt = clnttcp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, &s, 0, 0);
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if (clnt == 0) {
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close(s);
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s = privsock(SOCK_DGRAM);
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clnt = clntudp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, TIMEOUT, &s);
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}
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if (clnt == 0) {
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fprintf(stderr, "%s: ", progname);
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clnt_pcreateerror(server);
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exit(1);
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}
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/*
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* Control debugging
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*/
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if (debug_opts) {
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int *rc;
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amq_setopt opt;
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opt.as_opt = AMOPT_DEBUG;
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opt.as_str = debug_opts;
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rc = amqproc_setopt_1(&opt, clnt);
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if (rc && *rc < 0) {
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fprintf(stderr, "%s: daemon not compiled for debug", progname);
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errs = 1;
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} else if (!rc || *rc > 0) {
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fprintf(stderr, "%s: debug setting for \"%s\" failed\n", progname, debug_opts);
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errs = 1;
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}
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}
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/*
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* Control logging
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*/
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if (xlog_optstr) {
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int *rc;
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amq_setopt opt;
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opt.as_opt = AMOPT_XLOG;
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opt.as_str = xlog_optstr;
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rc = amqproc_setopt_1(&opt, clnt);
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if (!rc || *rc) {
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fprintf(stderr, "%s: setting log level to \"%s\" failed\n", progname, xlog_optstr);
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errs = 1;
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}
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}
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/*
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* Control log file
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*/
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if (logfile) {
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int *rc;
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amq_setopt opt;
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opt.as_opt = AMOPT_LOGFILE;
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opt.as_str = logfile;
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rc = amqproc_setopt_1(&opt, clnt);
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if (!rc || *rc) {
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fprintf(stderr, "%s: setting logfile to \"%s\" failed\n", progname, logfile);
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errs = 1;
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}
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}
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/*
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* Flush map cache
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*/
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if (flush_flag) {
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int *rc;
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amq_setopt opt;
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opt.as_opt = AMOPT_FLUSHMAPC;
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opt.as_str = "";
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rc = amqproc_setopt_1(&opt, clnt);
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if (!rc || *rc) {
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fprintf(stderr, "%s: amd on %s cannot flush the map cache\n", progname, server);
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errs = 1;
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}
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}
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/*
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* Mount info
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*/
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if (minfo_flag) {
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int dummy;
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amq_mount_info_list *ml = amqproc_getmntfs_1(&dummy, clnt);
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if (ml) {
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int mwid = 0, dwid = 0, twid = 0;
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show_mi(ml, Calc, &mwid, &dwid, &twid);
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mwid++; dwid++; twid++;
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show_mi(ml, Full, &mwid, &dwid, &twid);
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} else {
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fprintf(stderr, "%s: amd on %s cannot provide mount info\n", progname, server);
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}
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}
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/*
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* Mount map
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*/
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if (mount_map) {
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int *rc;
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do {
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rc = amqproc_mount_1(&mount_map, clnt);
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} while (rc && *rc < 0);
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if (!rc || *rc > 0) {
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if (rc)
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errno = *rc;
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else
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errno = ETIMEDOUT;
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fprintf(stderr, "%s: could not start new ", progname);
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perror("autmount point");
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}
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}
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/*
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* Get Version
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*/
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if (getvers_flag) {
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amq_string *spp = amqproc_getvers_1((voidp) 0, clnt);
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if (spp && *spp) {
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printf("%s.\n", *spp);
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free(*spp);
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} else {
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fprintf(stderr, "%s: failed to get version information\n", progname);
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errs = 1;
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}
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}
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/*
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|
* Apply required operation to all remaining arguments
|
|
*/
|
|
if (optind < argc) {
|
|
do {
|
|
char *fs = argv[optind++];
|
|
if (unmount_flag) {
|
|
/*
|
|
* Unmount request
|
|
*/
|
|
amqproc_umnt_1(&fs, clnt);
|
|
} else {
|
|
/*
|
|
* Stats request
|
|
*/
|
|
amq_mount_tree_p *mtp = amqproc_mnttree_1(&fs, clnt);
|
|
if (mtp) {
|
|
amq_mount_tree *mt = *mtp;
|
|
if (mt) {
|
|
int mwid = 0, dwid = 0, twid = 0;
|
|
show_mt(mt, Calc, &mwid, &dwid, &twid);
|
|
mwid++; dwid++, twid++;
|
|
printf("%-*.*s Uid Getattr Lookup RdDir RdLnk Statfs Mounted@\n",
|
|
dwid, dwid, "What");
|
|
show_mt(mt, Stats, &mwid, &dwid, &twid);
|
|
} else {
|
|
fprintf(stderr, "%s: %s not automounted\n", progname, fs);
|
|
}
|
|
xdr_pri_free(xdr_amq_mount_tree_p, (caddr_t) mtp);
|
|
} else {
|
|
fprintf(stderr, "%s: ", progname);
|
|
clnt_perror(clnt, server);
|
|
errs = 1;
|
|
}
|
|
}
|
|
} while (optind < argc);
|
|
} else if (unmount_flag) {
|
|
goto show_usage;
|
|
} else if (stats_flag) {
|
|
amq_mount_stats *ms = amqproc_stats_1((voidp) 0, clnt);
|
|
if (ms) {
|
|
show_ms(ms);
|
|
} else {
|
|
fprintf(stderr, "%s: ", progname);
|
|
clnt_perror(clnt, server);
|
|
errs = 1;
|
|
}
|
|
} else if (!nodefault) {
|
|
amq_mount_tree_list *mlp = amqproc_export_1((voidp) 0, clnt);
|
|
if (mlp) {
|
|
enum show_opt e = Calc;
|
|
int mwid = 0, dwid = 0, pwid = 0;
|
|
while (e != ShowDone) {
|
|
int i;
|
|
for (i = 0; i < mlp->amq_mount_tree_list_len; i++) {
|
|
show_mt(mlp->amq_mount_tree_list_val[i],
|
|
e, &mwid, &dwid, &pwid);
|
|
}
|
|
mwid++; dwid++, pwid++;
|
|
if (e == Calc) e = Short;
|
|
else if (e == Short) e = ShowDone;
|
|
}
|
|
} else {
|
|
fprintf(stderr, "%s: ", progname);
|
|
clnt_perror(clnt, server);
|
|
errs = 1;
|
|
}
|
|
}
|
|
|
|
exit(errs);
|
|
}
|
|
|
|
/*
|
|
* udpresport creates a datagram socket and attempts to bind it to a
|
|
* secure port.
|
|
* returns: The bound socket, or -1 to indicate an error.
|
|
*/
|
|
static int inetresport(ty)
|
|
int ty;
|
|
{
|
|
int alport;
|
|
struct sockaddr_in addr;
|
|
int sock;
|
|
|
|
/* Use internet address family */
|
|
addr.sin_family = AF_INET;
|
|
addr.sin_addr.s_addr = INADDR_ANY;
|
|
if ((sock = socket(AF_INET, ty, 0)) < 0)
|
|
return -1;
|
|
for (alport = IPPORT_RESERVED-1; alport > IPPORT_RESERVED/2 + 1; alport--) {
|
|
addr.sin_port = htons((u_short)alport);
|
|
if (bind(sock, (struct sockaddr *)&addr, sizeof (addr)) >= 0)
|
|
return sock;
|
|
if (errno != EADDRINUSE) {
|
|
close(sock);
|
|
return -1;
|
|
}
|
|
}
|
|
close(sock);
|
|
errno = EAGAIN;
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Privsock() calls inetresport() to attempt to bind a socket to a secure
|
|
* port. If inetresport() fails, privsock returns a magic socket number which
|
|
* indicates to RPC that it should make its own socket.
|
|
* returns: A privileged socket # or RPC_ANYSOCK.
|
|
*/
|
|
static int privsock(ty)
|
|
int ty;
|
|
{
|
|
int sock = inetresport(ty);
|
|
|
|
if (sock < 0) {
|
|
errno = 0;
|
|
/* Couldn't get a secure port, let RPC make an insecure one */
|
|
sock = RPC_ANYSOCK;
|
|
}
|
|
return sock;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
xfree(f, l, p)
|
|
char *f, *l;
|
|
voidp p;
|
|
{
|
|
free(p);
|
|
}
|
|
#endif /* DEBUG */
|