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/* |
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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. 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 1.19 2015/12/11 04:26:01 mmcc Exp $ |
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*/ |
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/* |
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* Automounter query tool |
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*/ |
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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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#include <unistd.h> |
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49 |
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static int privsock(int); |
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51 |
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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 *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 |
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show_mti(amq_mount_tree *mt, enum show_opt e, int *mwid, 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) |
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*mwid = mw; |
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if (dw > *dwid) |
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*dwid = dw; |
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if (tw > *twid) |
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*twid = tw; |
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break; |
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} |
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case Full: { |
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time_t t = mt->mt_mounttime; |
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struct tm *tp = localtime(&t); |
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printf("%-*.*s %-*.*s %-*.*s %s\n\t%-5d %-7d %-6d" |
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" %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n", |
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*dwid, *dwid, *mt->mt_directory ? mt->mt_directory : "/", |
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*twid, *twid, mt->mt_type, *mwid, *mwid, |
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mt->mt_mountinfo, mt->mt_mountpoint, mt->mt_mountuid, |
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mt->mt_getattr, mt->mt_lookup, mt->mt_readdir, |
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mt->mt_readlink, 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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} |
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case Stats: { |
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time_t t = mt->mt_mounttime; |
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struct tm *tp = localtime(&t); |
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printf("%-*.*s %-5d %-7d %-6d %-7d %-7d %-6d" |
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" %02d/%02d/%02d %02d:%02d:%02d\n", |
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*dwid, *dwid, *mt->mt_directory ? mt->mt_directory : "/", |
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mt->mt_mountuid, mt->mt_getattr, mt->mt_lookup, |
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mt->mt_readdir, mt->mt_readlink, 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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} |
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case Short: { |
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printf("%-*.*s %-*.*s %-*.*s %s\n", |
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*dwid, *dwid, *mt->mt_directory ? mt->mt_directory : "/", |
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*twid, *twid, mt->mt_type, *mwid, *mwid, |
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mt->mt_mountinfo, mt->mt_mountpoint); |
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break; |
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} |
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} |
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} |
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137 |
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/* |
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* Display a mount tree. |
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*/ |
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static void |
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show_mt(amq_mount_tree *mt, enum show_opt e, int *mwid, 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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} |
149 |
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} |
150 |
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static void |
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show_mi(amq_mount_info_list *ml, enum show_opt e, int *mwid, |
153 |
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int *dwid, int *twid) |
154 |
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{ |
155 |
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int i; |
156 |
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157 |
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switch (e) { |
158 |
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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); |
164 |
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if (mw > *mwid) |
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*mwid = mw; |
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if (dw > *dwid) |
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*dwid = dw; |
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if (tw > *twid) |
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*twid = tw; |
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} |
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break; |
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} |
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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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printf(" (%s)", strerror(mi->mi_error)); |
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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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197 |
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/* |
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* Display general mount statistics |
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*/ |
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static void |
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show_ms(amq_mount_stats *ms) |
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{ |
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printf("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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} |
208 |
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static bool_t |
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xdr_pri_free(xdrproc_t xdr_args, void *args_ptr) |
211 |
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{ |
212 |
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XDR xdr; |
213 |
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214 |
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xdr.x_op = XDR_FREE; |
215 |
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return ((*xdr_args)(&xdr, args_ptr)); |
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} |
217 |
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218 |
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/* |
219 |
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* MAIN |
220 |
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*/ |
221 |
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int |
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main(int argc, char *argv[]) |
223 |
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{ |
224 |
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int nodefault = 0, opt_ch, errs = 0, s; |
225 |
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struct sockaddr_in server_addr; |
226 |
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struct hostent *hp; |
227 |
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CLIENT *clnt; |
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char *server; |
229 |
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230 |
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/* |
231 |
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* Parse arguments |
232 |
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*/ |
233 |
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while ((opt_ch = getopt(argc, argv, "fh:l:msuvx:D:")) != -1) |
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switch (opt_ch) { |
235 |
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case 'f': |
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flush_flag = 1; |
237 |
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nodefault = 1; |
238 |
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break; |
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240 |
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case 'h': |
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def_server = optarg; |
242 |
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break; |
243 |
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244 |
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case 'l': |
245 |
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logfile = optarg; |
246 |
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nodefault = 1; |
247 |
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break; |
248 |
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249 |
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case 'm': |
250 |
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minfo_flag = 1; |
251 |
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nodefault = 1; |
252 |
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break; |
253 |
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254 |
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case 's': |
255 |
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stats_flag = 1; |
256 |
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nodefault = 1; |
257 |
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break; |
258 |
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259 |
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case 'u': |
260 |
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unmount_flag = 1; |
261 |
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nodefault = 1; |
262 |
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break; |
263 |
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264 |
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case 'v': |
265 |
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getvers_flag = 1; |
266 |
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nodefault = 1; |
267 |
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break; |
268 |
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269 |
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case 'x': |
270 |
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xlog_optstr = optarg; |
271 |
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nodefault = 1; |
272 |
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break; |
273 |
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274 |
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case 'D': |
275 |
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debug_opts = optarg; |
276 |
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nodefault = 1; |
277 |
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break; |
278 |
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279 |
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default: |
280 |
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errs = 1; |
281 |
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break; |
282 |
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} |
283 |
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284 |
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if (optind == argc) { |
285 |
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if (unmount_flag) |
286 |
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errs = 1; |
287 |
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} |
288 |
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|
289 |
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if (errs) { |
290 |
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show_usage: |
291 |
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fprintf(stderr, "usage: %s [-fmsuv] [-h hostname] " |
292 |
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"[directory ...]\n", __progname); |
293 |
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exit(1); |
294 |
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} |
295 |
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296 |
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server = def_server; |
297 |
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|
298 |
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/* |
299 |
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* Get address of server |
300 |
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*/ |
301 |
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if ((hp = gethostbyname(server)) == 0 && strcmp(server, localhost) != 0) { |
302 |
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fprintf(stderr, "%s: Can't get address of %s\n", __progname, server); |
303 |
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exit(1); |
304 |
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} |
305 |
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bzero(&server_addr, sizeof server_addr); |
306 |
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server_addr.sin_family = AF_INET; |
307 |
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if (hp) { |
308 |
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bcopy(hp->h_addr, &server_addr.sin_addr, |
309 |
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sizeof(server_addr.sin_addr)); |
310 |
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} else { |
311 |
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/* fake "localhost" */ |
312 |
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server_addr.sin_addr.s_addr = htonl(0x7f000001); |
313 |
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} |
314 |
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|
315 |
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/* |
316 |
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* Create RPC endpoint |
317 |
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*/ |
318 |
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s = privsock(SOCK_STREAM); |
319 |
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clnt = clnttcp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, &s, 0, 0); |
320 |
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if (clnt == 0) { |
321 |
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close(s); |
322 |
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s = privsock(SOCK_DGRAM); |
323 |
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clnt = clntudp_create(&server_addr, AMQ_PROGRAM, |
324 |
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AMQ_VERSION, TIMEOUT, &s); |
325 |
|
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} |
326 |
|
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if (clnt == 0) { |
327 |
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fprintf(stderr, "%s: ", __progname); |
328 |
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clnt_pcreateerror(server); |
329 |
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exit(1); |
330 |
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} |
331 |
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|
332 |
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/* |
333 |
|
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* Control debugging |
334 |
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*/ |
335 |
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if (debug_opts) { |
336 |
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int *rc; |
337 |
|
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amq_setopt opt; |
338 |
|
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opt.as_opt = AMOPT_DEBUG; |
339 |
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opt.as_str = debug_opts; |
340 |
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rc = amqproc_setopt_57(&opt, clnt); |
341 |
|
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if (rc && *rc < 0) { |
342 |
|
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fprintf(stderr, |
343 |
|
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"%s: daemon not compiled for debug", __progname); |
344 |
|
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errs = 1; |
345 |
|
|
} else if (!rc || *rc > 0) { |
346 |
|
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fprintf(stderr, |
347 |
|
|
"%s: debug setting for \"%s\" failed\n", |
348 |
|
|
__progname, debug_opts); |
349 |
|
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errs = 1; |
350 |
|
|
} |
351 |
|
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} |
352 |
|
|
|
353 |
|
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/* |
354 |
|
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* Control logging |
355 |
|
|
*/ |
356 |
|
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if (xlog_optstr) { |
357 |
|
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int *rc; |
358 |
|
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amq_setopt opt; |
359 |
|
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opt.as_opt = AMOPT_XLOG; |
360 |
|
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opt.as_str = xlog_optstr; |
361 |
|
|
rc = amqproc_setopt_57(&opt, clnt); |
362 |
|
|
if (!rc || *rc) { |
363 |
|
|
fprintf(stderr, "%s: setting log level to \"%s\" failed\n", |
364 |
|
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__progname, xlog_optstr); |
365 |
|
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errs = 1; |
366 |
|
|
} |
367 |
|
|
} |
368 |
|
|
|
369 |
|
|
/* |
370 |
|
|
* Control log file |
371 |
|
|
*/ |
372 |
|
|
if (logfile) { |
373 |
|
|
int *rc; |
374 |
|
|
amq_setopt opt; |
375 |
|
|
opt.as_opt = AMOPT_LOGFILE; |
376 |
|
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opt.as_str = logfile; |
377 |
|
|
rc = amqproc_setopt_57(&opt, clnt); |
378 |
|
|
if (!rc || *rc) { |
379 |
|
|
fprintf(stderr, "%s: setting logfile to \"%s\" failed\n", |
380 |
|
|
__progname, logfile); |
381 |
|
|
errs = 1; |
382 |
|
|
} |
383 |
|
|
} |
384 |
|
|
|
385 |
|
|
/* |
386 |
|
|
* Flush map cache |
387 |
|
|
*/ |
388 |
|
|
if (flush_flag) { |
389 |
|
|
int *rc; |
390 |
|
|
amq_setopt opt; |
391 |
|
|
opt.as_opt = AMOPT_FLUSHMAPC; |
392 |
|
|
opt.as_str = ""; |
393 |
|
|
rc = amqproc_setopt_57(&opt, clnt); |
394 |
|
|
if (!rc || *rc) { |
395 |
|
|
fprintf(stderr, |
396 |
|
|
"%s: amd on %s cannot flush the map cache\n", |
397 |
|
|
__progname, server); |
398 |
|
|
errs = 1; |
399 |
|
|
} |
400 |
|
|
} |
401 |
|
|
|
402 |
|
|
/* |
403 |
|
|
* Mount info |
404 |
|
|
*/ |
405 |
|
|
if (minfo_flag) { |
406 |
|
|
int dummy; |
407 |
|
|
amq_mount_info_list *ml = amqproc_getmntfs_57(&dummy, clnt); |
408 |
|
|
if (ml) { |
409 |
|
|
int mwid = 0, dwid = 0, twid = 0; |
410 |
|
|
show_mi(ml, Calc, &mwid, &dwid, &twid); |
411 |
|
|
mwid++; dwid++; twid++; |
412 |
|
|
show_mi(ml, Full, &mwid, &dwid, &twid); |
413 |
|
|
} else { |
414 |
|
|
fprintf(stderr, "%s: amd on %s cannot provide mount info\n", |
415 |
|
|
__progname, server); |
416 |
|
|
} |
417 |
|
|
} |
418 |
|
|
|
419 |
|
|
/* |
420 |
|
|
* Get Version |
421 |
|
|
*/ |
422 |
|
|
if (getvers_flag) { |
423 |
|
|
amq_string *spp = amqproc_getvers_57(NULL, clnt); |
424 |
|
|
if (spp && *spp) { |
425 |
|
|
printf("%s.\n", *spp); |
426 |
|
|
free(*spp); |
427 |
|
|
} else { |
428 |
|
|
fprintf(stderr, "%s: failed to get version information\n", |
429 |
|
|
__progname); |
430 |
|
|
errs = 1; |
431 |
|
|
} |
432 |
|
|
} |
433 |
|
|
|
434 |
|
|
/* |
435 |
|
|
* Apply required operation to all remaining arguments |
436 |
|
|
*/ |
437 |
|
|
if (optind < argc) { |
438 |
|
|
do { |
439 |
|
|
char *fs = argv[optind++]; |
440 |
|
|
if (unmount_flag) { |
441 |
|
|
/* |
442 |
|
|
* Unmount request |
443 |
|
|
*/ |
444 |
|
|
amqproc_umnt_57(&fs, clnt); |
445 |
|
|
} else { |
446 |
|
|
/* |
447 |
|
|
* Stats request |
448 |
|
|
*/ |
449 |
|
|
amq_mount_tree_p *mtp = amqproc_mnttree_57(&fs, clnt); |
450 |
|
|
if (mtp) { |
451 |
|
|
amq_mount_tree *mt = *mtp; |
452 |
|
|
if (mt) { |
453 |
|
|
int mwid = 0, dwid = 0, twid = 0; |
454 |
|
|
|
455 |
|
|
show_mt(mt, Calc, &mwid, &dwid, &twid); |
456 |
|
|
mwid++; |
457 |
|
|
dwid++; |
458 |
|
|
twid++; |
459 |
|
|
|
460 |
|
|
printf("%-*.*s Uid Getattr " |
461 |
|
|
"Lookup RdDir RdLnk " |
462 |
|
|
"Statfs Mounted@\n", |
463 |
|
|
dwid, dwid, "What"); |
464 |
|
|
show_mt(mt, Stats, &mwid, &dwid, &twid); |
465 |
|
|
} else { |
466 |
|
|
fprintf(stderr, |
467 |
|
|
"%s: %s not automounted\n", |
468 |
|
|
__progname, fs); |
469 |
|
|
} |
470 |
|
|
xdr_pri_free(xdr_amq_mount_tree_p, mtp); |
471 |
|
|
} else { |
472 |
|
|
fprintf(stderr, "%s: ", __progname); |
473 |
|
|
clnt_perror(clnt, server); |
474 |
|
|
errs = 1; |
475 |
|
|
} |
476 |
|
|
} |
477 |
|
|
} while (optind < argc); |
478 |
|
|
} else if (unmount_flag) { |
479 |
|
|
goto show_usage; |
480 |
|
|
} else if (stats_flag) { |
481 |
|
|
amq_mount_stats *ms = amqproc_stats_57(NULL, clnt); |
482 |
|
|
if (ms) { |
483 |
|
|
show_ms(ms); |
484 |
|
|
} else { |
485 |
|
|
fprintf(stderr, "%s: ", __progname); |
486 |
|
|
clnt_perror(clnt, server); |
487 |
|
|
errs = 1; |
488 |
|
|
} |
489 |
|
|
} else if (!nodefault) { |
490 |
|
|
amq_mount_tree_list *mlp = amqproc_export_57(NULL, clnt); |
491 |
|
|
if (mlp) { |
492 |
|
|
enum show_opt e = Calc; |
493 |
|
|
int mwid = 0, dwid = 0, pwid = 0; |
494 |
|
|
|
495 |
|
|
while (e != ShowDone) { |
496 |
|
|
int i; |
497 |
|
|
|
498 |
|
|
for (i = 0; i < mlp->amq_mount_tree_list_len; i++) { |
499 |
|
|
show_mt(mlp->amq_mount_tree_list_val[i], |
500 |
|
|
e, &mwid, &dwid, &pwid); |
501 |
|
|
} |
502 |
|
|
mwid++; |
503 |
|
|
dwid++; |
504 |
|
|
pwid++; |
505 |
|
|
if (e == Calc) |
506 |
|
|
e = Short; |
507 |
|
|
else if (e == Short) |
508 |
|
|
e = ShowDone; |
509 |
|
|
} |
510 |
|
|
} else { |
511 |
|
|
fprintf(stderr, "%s: ", __progname); |
512 |
|
|
clnt_perror(clnt, server); |
513 |
|
|
errs = 1; |
514 |
|
|
} |
515 |
|
|
} |
516 |
|
|
|
517 |
|
|
exit(errs); |
518 |
|
|
} |
519 |
|
|
|
520 |
|
|
/* |
521 |
|
|
* udpresport creates a datagram socket and attempts to bind it to a |
522 |
|
|
* secure port. |
523 |
|
|
* returns: The bound socket, or -1 to indicate an error. |
524 |
|
|
*/ |
525 |
|
|
static int |
526 |
|
|
inetresport(int ty) |
527 |
|
|
{ |
528 |
|
|
struct sockaddr_in addr; |
529 |
|
|
int alport, sock; |
530 |
|
|
|
531 |
|
|
/* Use internet address family */ |
532 |
|
|
addr.sin_family = AF_INET; |
533 |
|
|
addr.sin_addr.s_addr = INADDR_ANY; |
534 |
|
|
if ((sock = socket(AF_INET, ty, 0)) < 0) |
535 |
|
|
return -1; |
536 |
|
|
for (alport = IPPORT_RESERVED-1; alport > IPPORT_RESERVED/2 + 1; alport--) { |
537 |
|
|
addr.sin_port = htons((u_short)alport); |
538 |
|
|
if (bind(sock, (struct sockaddr *)&addr, sizeof (addr)) >= 0) |
539 |
|
|
return sock; |
540 |
|
|
if (errno != EADDRINUSE) { |
541 |
|
|
close(sock); |
542 |
|
|
return -1; |
543 |
|
|
} |
544 |
|
|
} |
545 |
|
|
close(sock); |
546 |
|
|
errno = EAGAIN; |
547 |
|
|
return -1; |
548 |
|
|
} |
549 |
|
|
|
550 |
|
|
/* |
551 |
|
|
* Privsock() calls inetresport() to attempt to bind a socket to a secure |
552 |
|
|
* port. If inetresport() fails, privsock returns a magic socket number which |
553 |
|
|
* indicates to RPC that it should make its own socket. |
554 |
|
|
* returns: A privileged socket # or RPC_ANYSOCK. |
555 |
|
|
*/ |
556 |
|
|
static int |
557 |
|
|
privsock(int ty) |
558 |
|
|
{ |
559 |
|
|
int sock = inetresport(ty); |
560 |
|
|
|
561 |
|
|
if (sock < 0) { |
562 |
|
|
errno = 0; |
563 |
|
|
/* Couldn't get a secure port, let RPC make an insecure one */ |
564 |
|
|
sock = RPC_ANYSOCK; |
565 |
|
|
} |
566 |
|
|
return sock; |
567 |
|
|
} |