274bbe3187
* protect a few potential buffer overflows Obtained from: NetBSD
939 lines
22 KiB
C
939 lines
22 KiB
C
/*
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* Copyright (c) 1997-1998 Erez Zadok
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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 The Regents of the University of California.
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* 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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* %W% (Berkeley) %G%
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*
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* $Id: amq.c,v 1.1.1.1 1998/08/23 22:07:20 obrien Exp $
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*
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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) 1997-1998 Erez Zadok\n\
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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 The Regents of the University of California.\n\
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@(#)All rights reserved.\n";
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#if __GNUC__ < 2
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static char rcsid[] = "$Id: amq.c,v 1.1.1.1 1998/08/23 22:07:20 obrien Exp $";
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static char sccsid[] = "%W% (Berkeley) %G%";
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#endif /* __GNUC__ < 2 */
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#endif /* not lint */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <am_defs.h>
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#include <amq.h>
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/* locals */
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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 getpid_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 int amd_program_number = AMQ_PROGRAM;
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static int use_tcp_flag, use_udp_flag;
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static char *debug_opts;
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static char *amq_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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|
|
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/* externals */
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extern int optind;
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extern char *optarg;
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|
|
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/* forward decalrations */
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#ifdef HAVE_TRANSPORT_TYPE_TLI
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static CLIENT *get_secure_amd_client(char *host, struct timeval *tv, int *sock);
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static int amq_bind_resv_port(int td, u_short *pp);
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#else /* not HAVE_TRANSPORT_TYPE_TLI */
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static int privsock(int ty);
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#endif /* not HAVE_TRANSPORT_TYPE_TLI */
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/* dummy variables */
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char hostname[MAXHOSTNAMELEN];
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int orig_umask, foreground, debug_flags;
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pid_t mypid;
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serv_state amd_state;
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|
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/* structures */
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enum show_opt {
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Full, Stats, Calc, Short, ShowDone
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};
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|
|
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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, int *twid)
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{
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switch (e) {
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case Calc:
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{
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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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}
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break;
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case Full:
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{
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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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|
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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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}
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break;
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case Stats:
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{
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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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}
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break;
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case Short:
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{
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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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}
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break;
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default:
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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
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show_mt(amq_mount_tree *mt, enum show_opt e, int *mwid, int *dwid, 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
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show_mi(amq_mount_info_list *ml, enum show_opt e, int *mwid, int *dwid, 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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|
{
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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)
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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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}
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break;
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case Full:
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{
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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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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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} 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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}
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break;
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default:
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break;
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}
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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
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show_ms(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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|
|
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|
#if defined(HAVE_CLUSTER_H) && defined(HAVE_CNODEID) && defined(HAVE_GETCCENT)
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static char *
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cluster_server(void)
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{
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struct cct_entry *cp;
|
|
|
|
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 /* defined(HAVE_CLUSTER_H) && defined(HAVE_CNODEID) && defined(HAVE_GETCCENT) */
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|
|
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|
/*
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* MAIN
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*/
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int
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main(int argc, 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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int s; /* to pass the Amd security check, we must use a priv port */
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CLIENT *clnt = NULL;
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struct hostent *hp;
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int nodefault = 0;
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struct timeval tv;
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#ifndef HAVE_TRANSPORT_TYPE_TLI
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enum clnt_stat cs;
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#endif /* not HAVE_TRANSPORT_TYPE_TLI */
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|
|
|
|
/*
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|
* Compute program name
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|
*/
|
|
if (argv[0]) {
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|
progname = strrchr(argv[0], '/');
|
|
if (progname && progname[1])
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progname++;
|
|
else
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|
progname = argv[0];
|
|
}
|
|
if (!progname)
|
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progname = "amq";
|
|
|
|
/*
|
|
* Parse arguments
|
|
*/
|
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while ((opt_ch = getopt(argc, argv, "fh:l:msuvx:D:M:pP:TU")) != -1)
|
|
switch (opt_ch) {
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|
case 'f':
|
|
flush_flag = 1;
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|
nodefault = 1;
|
|
break;
|
|
|
|
case 'h':
|
|
def_server = optarg;
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|
break;
|
|
|
|
case 'l':
|
|
amq_logfile = optarg;
|
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nodefault = 1;
|
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break;
|
|
|
|
case 'm':
|
|
minfo_flag = 1;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 'p':
|
|
getpid_flag = 1;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 's':
|
|
stats_flag = 1;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 'u':
|
|
unmount_flag = 1;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 'v':
|
|
getvers_flag = 1;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 'x':
|
|
xlog_optstr = optarg;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 'D':
|
|
debug_opts = optarg;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 'M':
|
|
mount_map = optarg;
|
|
nodefault = 1;
|
|
break;
|
|
|
|
case 'P':
|
|
amd_program_number = atoi(optarg);
|
|
break;
|
|
|
|
case 'T':
|
|
use_tcp_flag = 1;
|
|
break;
|
|
|
|
case 'U':
|
|
use_udp_flag = 1;
|
|
break;
|
|
|
|
default:
|
|
errs = 1;
|
|
break;
|
|
}
|
|
|
|
if (optind == argc) {
|
|
if (unmount_flag)
|
|
errs = 1;
|
|
}
|
|
if (errs) {
|
|
show_usage:
|
|
fprintf(stderr, "\
|
|
Usage: %s [-h host] [[-f] [-m] [-p] [-v] [-s]] | [[-u] directory ...]]\n\
|
|
\t[-l logfile|\"syslog\"] [-x log_flags] [-D dbg_opts] [-M mapent]\n\
|
|
\t[-P prognum] [-T] [-U]\n", progname);
|
|
exit(1);
|
|
}
|
|
|
|
/* set use_udp and use_tcp flags both to on if none are defined */
|
|
if (!use_tcp_flag && !use_udp_flag)
|
|
use_tcp_flag = use_udp_flag = 1;
|
|
|
|
#if defined(HAVE_CLUSTER_H) && defined(HAVE_CNODEID) && defined(HAVE_GETCCENT)
|
|
/*
|
|
* Figure out root server of cluster
|
|
*/
|
|
if (def_server == localhost)
|
|
server = cluster_server();
|
|
else
|
|
#endif /* defined(HAVE_CLUSTER_H) && defined(HAVE_CNODEID) && defined(HAVE_GETCCENT) */
|
|
server = def_server;
|
|
|
|
/*
|
|
* Get address of server
|
|
*/
|
|
if ((hp = gethostbyname(server)) == 0 && !STREQ(server, localhost)) {
|
|
fprintf(stderr, "%s: Can't get address of %s\n", progname, server);
|
|
exit(1);
|
|
}
|
|
memset(&server_addr, 0, sizeof server_addr);
|
|
server_addr.sin_family = AF_INET;
|
|
if (hp) {
|
|
memmove((voidp) &server_addr.sin_addr, (voidp) hp->h_addr,
|
|
sizeof(server_addr.sin_addr));
|
|
} else {
|
|
/* fake "localhost" */
|
|
server_addr.sin_addr.s_addr = htonl(0x7f000001);
|
|
}
|
|
|
|
/*
|
|
* Create RPC endpoint
|
|
*/
|
|
tv.tv_sec = 5; /* 5 seconds for timeout or per retry */
|
|
tv.tv_usec = 0;
|
|
|
|
#ifdef HAVE_TRANSPORT_TYPE_TLI
|
|
clnt = get_secure_amd_client(server, &tv, &s);
|
|
if (!clnt && use_tcp_flag) /* try tcp first */
|
|
clnt = clnt_create(server, amd_program_number, AMQ_VERSION, "tcp");
|
|
if (!clnt && use_udp_flag) { /* try udp next */
|
|
clnt = clnt_create(server, amd_program_number, AMQ_VERSION, "udp");
|
|
/* if ok, set timeout (valid for connectionless transports only) */
|
|
if (clnt)
|
|
clnt_control(clnt, CLSET_RETRY_TIMEOUT, (char *) &tv);
|
|
}
|
|
#else /* not HAVE_TRANSPORT_TYPE_TLI */
|
|
|
|
/* first check if remote portmapper is up */
|
|
cs = pmap_ping(&server_addr);
|
|
if (cs == RPC_TIMEDOUT) {
|
|
fprintf(stderr, "%s: failed to contact portmapper on host \"%s\". %s\n",
|
|
progname, server, clnt_sperrno(cs));
|
|
exit(1);
|
|
}
|
|
|
|
/* portmapper exists: get remote amd info from it */
|
|
if (!clnt && use_tcp_flag) { /* try tcp first */
|
|
s = RPC_ANYSOCK;
|
|
clnt = clnttcp_create(&server_addr, amd_program_number,
|
|
AMQ_VERSION, &s, 0, 0);
|
|
}
|
|
if (!clnt && use_udp_flag) { /* try udp next */
|
|
/* XXX: do we need to close(s) ? */
|
|
s = privsock(SOCK_DGRAM);
|
|
clnt = clntudp_create(&server_addr, amd_program_number,
|
|
AMQ_VERSION, tv, &s);
|
|
}
|
|
#endif /* not HAVE_TRANSPORT_TYPE_TLI */
|
|
if (!clnt) {
|
|
fprintf(stderr, "%s: ", progname);
|
|
clnt_pcreateerror(server);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Control debugging
|
|
*/
|
|
if (debug_opts) {
|
|
int *rc;
|
|
amq_setopt opt;
|
|
opt.as_opt = AMOPT_DEBUG;
|
|
opt.as_str = debug_opts;
|
|
rc = amqproc_setopt_1(&opt, clnt);
|
|
if (rc && *rc < 0) {
|
|
fprintf(stderr, "%s: daemon not compiled for debug\n", progname);
|
|
errs = 1;
|
|
} else if (!rc || *rc > 0) {
|
|
fprintf(stderr, "%s: debug setting for \"%s\" failed\n", progname, debug_opts);
|
|
errs = 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Control logging
|
|
*/
|
|
if (xlog_optstr) {
|
|
int *rc;
|
|
amq_setopt opt;
|
|
opt.as_opt = AMOPT_XLOG;
|
|
opt.as_str = xlog_optstr;
|
|
rc = amqproc_setopt_1(&opt, clnt);
|
|
if (!rc || *rc) {
|
|
fprintf(stderr, "%s: setting log level to \"%s\" failed\n", progname, xlog_optstr);
|
|
errs = 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Control log file
|
|
*/
|
|
if (amq_logfile) {
|
|
int *rc;
|
|
amq_setopt opt;
|
|
opt.as_opt = AMOPT_LOGFILE;
|
|
opt.as_str = amq_logfile;
|
|
rc = amqproc_setopt_1(&opt, clnt);
|
|
if (!rc || *rc) {
|
|
fprintf(stderr, "%s: setting logfile to \"%s\" failed\n", progname, amq_logfile);
|
|
errs = 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Flush map cache
|
|
*/
|
|
if (flush_flag) {
|
|
int *rc;
|
|
amq_setopt opt;
|
|
opt.as_opt = AMOPT_FLUSHMAPC;
|
|
opt.as_str = "";
|
|
rc = amqproc_setopt_1(&opt, clnt);
|
|
if (!rc || *rc) {
|
|
fprintf(stderr, "%s: amd on %s cannot flush the map cache\n", progname, server);
|
|
errs = 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Mount info
|
|
*/
|
|
if (minfo_flag) {
|
|
int dummy;
|
|
amq_mount_info_list *ml = amqproc_getmntfs_1(&dummy, clnt);
|
|
if (ml) {
|
|
int mwid = 0, dwid = 0, twid = 0;
|
|
show_mi(ml, Calc, &mwid, &dwid, &twid);
|
|
mwid++;
|
|
dwid++;
|
|
twid++;
|
|
show_mi(ml, Full, &mwid, &dwid, &twid);
|
|
|
|
} else {
|
|
fprintf(stderr, "%s: amd on %s cannot provide mount info\n", progname, server);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Mount map
|
|
*/
|
|
if (mount_map) {
|
|
int *rc;
|
|
do {
|
|
rc = amqproc_mount_1(&mount_map, clnt);
|
|
} while (rc && *rc < 0);
|
|
if (!rc || *rc > 0) {
|
|
if (rc)
|
|
errno = *rc;
|
|
else
|
|
errno = ETIMEDOUT;
|
|
fprintf(stderr, "%s: could not start new ", progname);
|
|
perror("autmount point");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Get Version
|
|
*/
|
|
if (getvers_flag) {
|
|
amq_string *spp = amqproc_getvers_1((voidp) 0, clnt);
|
|
if (spp && *spp) {
|
|
fputs(*spp, stdout);
|
|
XFREE(*spp);
|
|
} else {
|
|
fprintf(stderr, "%s: failed to get version information\n", progname);
|
|
errs = 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Get PID of amd
|
|
*/
|
|
if (getpid_flag) {
|
|
int *ip = amqproc_getpid_1((voidp) 0, clnt);
|
|
if (ip && *ip) {
|
|
printf("%d\n", *ip);
|
|
} else {
|
|
fprintf(stderr, "%s: failed to get PID of amd\n", progname);
|
|
errs = 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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((XDRPROC_T_TYPE) 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);
|
|
return errs; /* should never reache here */
|
|
}
|
|
|
|
|
|
#ifdef HAVE_TRANSPORT_TYPE_TLI
|
|
|
|
/*
|
|
* How to bind to reserved ports.
|
|
* TLI handle (socket) and port version.
|
|
*/
|
|
/* defined here so that it does not have to resolve it with libamu.a */
|
|
static int
|
|
amq_bind_resv_port(int td, u_short *pp)
|
|
{
|
|
int rc = -1, port;
|
|
struct t_bind *treq, *tret;
|
|
struct sockaddr_in *sin;
|
|
|
|
treq = (struct t_bind *) t_alloc(td, T_BIND, T_ADDR);
|
|
if (!treq) {
|
|
plog(XLOG_ERROR, "t_alloc 1");
|
|
return -1;
|
|
}
|
|
tret = (struct t_bind *) t_alloc(td, T_BIND, T_ADDR);
|
|
if (!tret) {
|
|
t_free((char *) treq, T_BIND);
|
|
plog(XLOG_ERROR, "t_alloc 2");
|
|
return -1;
|
|
}
|
|
memset((char *) treq->addr.buf, 0, treq->addr.len);
|
|
sin = (struct sockaddr_in *) treq->addr.buf;
|
|
sin->sin_family = AF_INET;
|
|
treq->qlen = 0;
|
|
treq->addr.len = treq->addr.maxlen;
|
|
errno = EADDRINUSE;
|
|
port = IPPORT_RESERVED;
|
|
|
|
do {
|
|
--port;
|
|
sin->sin_port = htons(port);
|
|
rc = t_bind(td, treq, tret);
|
|
if (rc < 0) {
|
|
} else {
|
|
if (memcmp(treq->addr.buf, tret->addr.buf, tret->addr.len) == 0)
|
|
break;
|
|
else
|
|
t_unbind(td);
|
|
}
|
|
} while ((rc < 0 || errno == EADDRINUSE) && (int) port > IPPORT_RESERVED / 2);
|
|
|
|
if (pp) {
|
|
if (rc == 0)
|
|
*pp = port;
|
|
else
|
|
plog(XLOG_ERROR, "could not t_bind to any reserved port");
|
|
}
|
|
t_free((char *) tret, T_BIND);
|
|
t_free((char *) treq, T_BIND);
|
|
return rc;
|
|
}
|
|
|
|
|
|
/*
|
|
* Create a secure rpc client attached to the amd daemon.
|
|
*/
|
|
static CLIENT *
|
|
get_secure_amd_client(char *host, struct timeval *tv, int *sock)
|
|
{
|
|
CLIENT *client;
|
|
struct netbuf nb;
|
|
struct netconfig *nc, *pm_nc;
|
|
struct sockaddr_in sin;
|
|
|
|
|
|
nb.maxlen = sizeof(sin);
|
|
nb.buf = (char *) &sin;
|
|
|
|
/*
|
|
* Ensure that remote portmapper is alive
|
|
* (must use connectionless netconfig).
|
|
*/
|
|
if ((pm_nc = getnetconfigent(NC_UDP)) != NULL) {
|
|
enum clnt_stat cs;
|
|
|
|
cs = rpcb_rmtcall(pm_nc,
|
|
host,
|
|
amd_program_number,
|
|
AMQ_VERSION,
|
|
AMQPROC_NULL,
|
|
(XDRPROC_T_TYPE) xdr_void,
|
|
NULL,
|
|
(XDRPROC_T_TYPE) xdr_void,
|
|
NULL,
|
|
*tv,
|
|
NULL);
|
|
if (cs == RPC_TIMEDOUT) {
|
|
fprintf(stderr, "%s: failed to contact portmapper on host \"%s\". %s\n",
|
|
progname, host, clnt_sperrno(cs));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* First transport type to try: TCP
|
|
*/
|
|
if (use_tcp_flag) {
|
|
/* Find amd address on TCP */
|
|
nc = getnetconfigent(NC_TCP);
|
|
if (!nc) {
|
|
fprintf(stderr, "getnetconfig for tcp failed: %s\n", nc_sperror());
|
|
goto tryudp;
|
|
}
|
|
|
|
if (!rpcb_getaddr(amd_program_number, AMQ_VERSION, nc, &nb, host)) {
|
|
/*
|
|
* don't pring error messages here, since amd might legitimately
|
|
* serve udp only
|
|
*/
|
|
goto tryudp;
|
|
}
|
|
/* Create priviledged TCP socket */
|
|
*sock = t_open(nc->nc_device, O_RDWR, 0);
|
|
|
|
if (*sock < 0) {
|
|
fprintf(stderr, "t_open %s: %m\n", nc->nc_device);
|
|
goto tryudp;
|
|
}
|
|
if (amq_bind_resv_port(*sock, (u_short *) 0) < 0)
|
|
goto tryudp;
|
|
|
|
client = clnt_vc_create(*sock, &nb, amd_program_number, AMQ_VERSION, 0, 0);
|
|
if (!client) {
|
|
fprintf(stderr, "clnt_vc_create failed");
|
|
t_close(*sock);
|
|
goto tryudp;
|
|
}
|
|
/* tcp succeeded */
|
|
return client;
|
|
}
|
|
|
|
tryudp:
|
|
/*
|
|
* TCP failed so try UDP
|
|
*/
|
|
if (use_udp_flag) {
|
|
/* find amd address on UDP */
|
|
nc = getnetconfigent(NC_UDP);
|
|
if (!nc) {
|
|
fprintf(stderr, "getnetconfig for udp failed: %s\n", nc_sperror());
|
|
return NULL;
|
|
}
|
|
if (!rpcb_getaddr(amd_program_number, AMQ_VERSION, nc, &nb, host)) {
|
|
fprintf(stderr, "%s\n",
|
|
clnt_spcreateerror("couldn't get amd address on udp"));
|
|
return NULL;
|
|
}
|
|
/* create priviledged UDP socket */
|
|
*sock = t_open(nc->nc_device, O_RDWR, 0);
|
|
|
|
if (*sock < 0) {
|
|
fprintf(stderr, "t_open %s: %m\n", nc->nc_device);
|
|
return NULL; /* neither tcp not udp succeeded */
|
|
}
|
|
if (amq_bind_resv_port(*sock, (u_short *) 0) < 0)
|
|
return NULL;
|
|
|
|
client = clnt_dg_create(*sock, &nb, amd_program_number, AMQ_VERSION, 0, 0);
|
|
if (!client) {
|
|
fprintf(stderr, "clnt_dg_create failed\n");
|
|
t_close(*sock);
|
|
return NULL; /* neither tcp not udp succeeded */
|
|
}
|
|
if (clnt_control(client, CLSET_RETRY_TIMEOUT, (char *) tv) == FALSE) {
|
|
fprintf(stderr, "clnt_control CLSET_RETRY_TIMEOUT for udp failed\n");
|
|
clnt_destroy(client);
|
|
return NULL; /* neither tcp not udp succeeded */
|
|
}
|
|
/* udp succeeded */
|
|
return client;
|
|
}
|
|
|
|
/* should never get here */
|
|
return NULL;
|
|
}
|
|
|
|
#else /* not HAVE_TRANSPORT_TYPE_TLI */
|
|
|
|
/*
|
|
* inetresport 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(int ty)
|
|
{
|
|
int alport;
|
|
struct sockaddr_in addr;
|
|
int fd;
|
|
|
|
/* Use internet address family */
|
|
addr.sin_family = AF_INET;
|
|
addr.sin_addr.s_addr = INADDR_ANY;
|
|
if ((fd = 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(fd, (struct sockaddr *) &addr, sizeof(addr)) >= 0)
|
|
return fd;
|
|
if (errno != EADDRINUSE) {
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
}
|
|
close(fd);
|
|
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(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;
|
|
}
|
|
|
|
#endif /* not HAVE_TRANSPORT_TYPE_TLI */
|