300 lines
6.3 KiB
C
300 lines
6.3 KiB
C
/* $NetBSD: fsinfo.c,v 1.10 1999/02/01 19:05:12 christos Exp $ */
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/*
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* Copyright (c) 1997-1999 Erez Zadok
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* Copyright (c) 1989 Jan-Simon Pendry
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* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1989 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 acknowledgment:
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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: fsinfo.c,v 1.3 1999/01/10 21:54:29 ezk Exp
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*
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*/
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/*
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* fsinfo
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*/
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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 <fsi_data.h>
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#include <fsinfo.h>
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#include <fsi_gram.h>
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/* globals */
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char **g_argv;
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char *autodir = "/a";
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char *progname;
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char hostname[MAXHOSTNAMELEN + 1];
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char *username;
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char idvbuf[1024];
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dict *dict_of_hosts;
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dict *dict_of_volnames;
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int errors;
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int file_io_errors;
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int parse_errors;
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int verbose;
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qelem *list_of_automounts;
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qelem *list_of_hosts;
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/*
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* Output file prefixes
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*/
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char *bootparams_pref;
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char *dumpset_pref;
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char *exportfs_pref;
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char *fstab_pref;
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char *mount_pref;
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/* dummy variables */
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#if 0
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pid_t mypid;
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serv_state amd_state;
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int foreground, orig_umask;
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int debug_flags;
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#endif
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/*
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* Argument cracking...
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*/
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static void
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fsi_get_args(int c, char *v[])
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{
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int ch;
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int usage = 0;
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char *iptr = idvbuf;
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/*
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* Determine program name
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*/
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if (v[0]) {
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progname = strrchr(v[0], '/');
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if (progname && progname[1])
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progname++;
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else
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progname = v[0];
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}
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if (!progname)
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progname = "fsinfo";
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while ((ch = getopt(c, v, "a:b:d:e:f:h:m:D:U:I:qv")) != -1)
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switch (ch) {
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case 'a':
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autodir = optarg;
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break;
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case 'b':
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if (bootparams_pref)
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fatal("-b option specified twice");
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bootparams_pref = optarg;
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break;
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case 'd':
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if (dumpset_pref)
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fatal("-d option specified twice");
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dumpset_pref = optarg;
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break;
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case 'h':
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strncpy(hostname, optarg, sizeof(hostname) - 1);
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break;
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case 'e':
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if (exportfs_pref)
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fatal("-e option specified twice");
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exportfs_pref = optarg;
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break;
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case 'f':
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if (fstab_pref)
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fatal("-f option specified twice");
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fstab_pref = optarg;
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break;
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case 'm':
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if (mount_pref)
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fatal("-m option specified twice");
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mount_pref = optarg;
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break;
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case 'q':
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verbose = -1;
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break;
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case 'v':
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verbose = 1;
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break;
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case 'I':
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case 'D':
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case 'U':
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sprintf(iptr, "-%c%s ", ch, optarg);
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iptr += strlen(iptr);
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break;
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default:
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usage++;
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break;
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}
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if (c != optind) {
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g_argv = v + optind - 1;
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if (yywrap())
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fatal("Cannot read any input files");
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} else {
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usage++;
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}
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if (usage) {
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fprintf(stderr,
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"\
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Usage: %s [-v] [-a autodir] [-h hostname] [-b bootparams] [-d dumpsets]\n\
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\t[-e exports] [-f fstabs] [-m automounts]\n\
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\t[-I dir] [-D|-U string[=string]] config ...\n", progname);
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exit(1);
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}
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if (g_argv[0])
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log("g_argv[0] = %s", g_argv[0]);
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else
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log("g_argv[0] = (nil)");
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}
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/*
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* Determine username of caller
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*/
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static char *
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find_username(void)
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{
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const char *u = getlogin();
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if (!u) {
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struct passwd *pw = getpwuid(getuid());
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if (pw)
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u = pw->pw_name;
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}
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if (!u)
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u = getenv("USER");
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if (!u)
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u = getenv("LOGNAME");
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if (!u)
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u = "root";
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return strdup(u);
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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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/*
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* Process arguments
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*/
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fsi_get_args(argc, argv);
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/*
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* If no hostname given then use the local name
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*/
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if (!*hostname && gethostname(hostname, sizeof(hostname)) < 0) {
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perror("gethostname");
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exit(1);
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}
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hostname[sizeof(hostname) - 1] = '\0';
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/*
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* Get the username
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*/
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username = find_username();
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/*
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* New hosts and automounts
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*/
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list_of_hosts = new_que();
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list_of_automounts = new_que();
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/*
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* New dictionaries
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*/
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dict_of_volnames = new_dict();
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dict_of_hosts = new_dict();
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/*
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* Parse input
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*/
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show_area_being_processed("read config", 11);
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if (yyparse())
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errors = 1;
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errors += file_io_errors + parse_errors;
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if (errors == 0) {
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/*
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* Do semantic analysis of input
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*/
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analyze_hosts(list_of_hosts);
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analyze_automounts(list_of_automounts);
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}
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/*
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* Give up if errors
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*/
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if (errors == 0) {
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/*
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* Output data files
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*/
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write_atab(list_of_automounts);
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write_bootparams(list_of_hosts);
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write_dumpset(list_of_hosts);
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write_exportfs(list_of_hosts);
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write_fstab(list_of_hosts);
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}
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col_cleanup(1);
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exit(errors);
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return errors; /* should never reach here */
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}
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