/* $NetBSD: fsinfo.c,v 1.1.1.3 2015/01/17 16:34:17 christos Exp $ */
/*
* Copyright (c) 1997-2014 Erez Zadok
* Copyright (c) 1989 Jan-Simon Pendry
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*
* File: am-utils/fsinfo/fsinfo.c
*
*/
/*
* fsinfo
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <am_defs.h>
#include <fsi_data.h>
#include <fsinfo.h>
#include <fsi_gram.h>
/* globals */
char **g_argv;
char *autodir = "/a";
char *progname;
char hostname[MAXHOSTNAMELEN + 1];
char *username;
char idvbuf[1024];
dict *dict_of_hosts;
dict *dict_of_volnames;
int errors;
int file_io_errors;
int parse_errors;
int verbose;
qelem *list_of_automounts;
qelem *list_of_hosts;
/*
* Output file prefixes
*/
char *bootparams_pref;
char *dumpset_pref;
char *exportfs_pref;
char *fstab_pref;
char *mount_pref;
/*
* Argument cracking...
*/
static void
fsi_get_args(int c, char *v[])
{
int ch;
int usage = 0;
char *iptr = idvbuf;
/*
* Determine program name
*/
if (v[0]) {
progname = strrchr(v[0], '/');
if (progname && progname[1])
progname++;
else
progname = v[0];
}
if (!progname)
progname = "fsinfo";
while ((ch = getopt(c, v, "a:b:d:e:f:h:m:D:U:I:qv")) != -1)
switch (ch) {
case 'a':
autodir = optarg;
break;
case 'b':
if (bootparams_pref)
fatal("-b option specified twice");
bootparams_pref = optarg;
break;
case 'd':
if (dumpset_pref)
fatal("-d option specified twice");
dumpset_pref = optarg;
break;
case 'h':
xstrlcpy(hostname, optarg, sizeof(hostname));
break;
case 'e':
if (exportfs_pref)
fatal("-e option specified twice");
exportfs_pref = optarg;
break;
case 'f':
if (fstab_pref)
fatal("-f option specified twice");
fstab_pref = optarg;
break;
case 'm':
if (mount_pref)
fatal("-m option specified twice");
mount_pref = optarg;
break;
case 'q':
verbose = -1;
break;
case 'v':
verbose = 1;
break;
case 'I':
case 'D':
case 'U':
/* sizeof(iptr) is actually that of idvbuf. See declaration above */
xsnprintf(iptr, sizeof(idvbuf), "-%c%s ", ch, optarg);
iptr += strlen(iptr);
break;
default:
usage++;
break;
}
if (c != optind) {
g_argv = v + optind - 1;
#ifdef yywrap
if (yywrap())
#endif /* yywrap */
fatal("Cannot read any input files");
} else {
usage++;
}
if (usage) {
fprintf(stderr,
"\
Usage: %s [-v] [-a autodir] [-h hostname] [-b bootparams] [-d dumpsets]\n\
\t[-e exports] [-f fstabs] [-m automounts]\n\
\t[-I dir] [-D|-U string[=string]] config ...\n", progname);
exit(1);
}
if (g_argv[0])
fsi_log("g_argv[0] = %s", g_argv[0]);
else
fsi_log("g_argv[0] = (nil)");
}
/*
* Determine username of caller
*/
static char *
find_username(void)
{
const char *u = getlogin();
if (!u) {
struct passwd *pw = getpwuid(getuid());
if (pw)
u = pw->pw_name;
}
if (!u)
u = getenv("USER");
if (!u)
u = getenv("LOGNAME");
if (!u)
u = "root";
return xstrdup(u);
}
/*
* MAIN
*/
int
main(int argc, char *argv[])
{
/*
* Process arguments
*/
fsi_get_args(argc, argv);
/*
* If no hostname given then use the local name
*/
if (!*hostname && gethostname(hostname, sizeof(hostname)) < 0) {
perror("gethostname");
exit(1);
}
hostname[sizeof(hostname) - 1] = '\0';
/*
* Get the username
*/
username = find_username();
/*
* New hosts and automounts
*/
list_of_hosts = new_que();
list_of_automounts = new_que();
/*
* New dictionaries
*/
dict_of_volnames = new_dict();
dict_of_hosts = new_dict();
/*
* Parse input
*/
show_area_being_processed("read config", 11);
if (fsi_parse())
errors = 1;
errors += file_io_errors + parse_errors;
if (errors == 0) {
/*
* Do semantic analysis of input
*/
analyze_hosts(list_of_hosts);
analyze_automounts(list_of_automounts);
}
/*
* Give up if errors
*/
if (errors == 0) {
/*
* Output data files
*/
write_atab(list_of_automounts);
write_bootparams(list_of_hosts);
write_dumpset(list_of_hosts);
write_exportfs(list_of_hosts);
write_fstab(list_of_hosts);
}
col_cleanup(1);
exit(errors);
return errors; /* should never reach here */
}
