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|
/* $NetBSD: main.c,v 1.68 2013/03/24 20:57:19 joerg Exp $ */
/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Written by Philip A. Nelson for Piermont Information Systems Inc.
*
* 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. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``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 PIERMONT INFORMATION SYSTEMS INC. 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.
*
*/
/* main sysinst program. */
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/uio.h>
#include <stdio.h>
#include <signal.h>
#include <curses.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <locale.h>
#include "defs.h"
#include "md.h"
#include "msg_defs.h"
#include "menu_defs.h"
#include "txtwalk.h"
int main(int, char **);
static void select_language(void);
__dead static void usage(void);
__dead static void miscsighandler(int);
static void ttysighandler(int);
static void cleanup(void);
static void process_f_flag(char *);
static int exit_cleanly = 0; /* Did we finish nicely? */
FILE *logfp; /* log file */
FILE *script; /* script file */
#ifdef DEBUG
extern int log_flip(void);
#endif
/* String defaults and stuff for processing the -f file argument. */
struct f_arg {
const char *name;
const char *dflt;
char *var;
int size;
};
static const struct f_arg fflagopts[] = {
{"release", REL, rel, sizeof rel},
{"machine", MACH, machine, sizeof machine},
{"xfer dir", "/usr/INSTALL", xfer_dir, sizeof xfer_dir},
{"ext dir", "", ext_dir_bin, sizeof ext_dir_bin},
{"ext src dir", "", ext_dir_src, sizeof ext_dir_src},
{"ftp host", SYSINST_FTP_HOST, ftp.host, sizeof ftp.host},
{"ftp dir", SYSINST_FTP_DIR, ftp.dir, sizeof ftp.dir},
{"ftp prefix", "/" MACH "/binary/sets", set_dir_bin, sizeof set_dir_bin},
{"ftp src prefix", "/source/sets", set_dir_src, sizeof set_dir_src},
{"ftp user", "ftp", ftp.user, sizeof ftp.user},
{"ftp pass", "", ftp.pass, sizeof ftp.pass},
{"ftp proxy", "", ftp.proxy, sizeof ftp.proxy},
{"nfs host", "", nfs_host, sizeof nfs_host},
{"nfs dir", "/bsd/release", nfs_dir, sizeof nfs_dir},
{"cd dev", 0, cdrom_dev, sizeof cdrom_dev}, /* default filled in init */
{"fd dev", "/dev/fd0a", fd_dev, sizeof fd_dev},
{"local dev", "", localfs_dev, sizeof localfs_dev},
{"local fs", "ffs", localfs_fs, sizeof localfs_fs},
{"local dir", "release", localfs_dir, sizeof localfs_dir},
{"targetroot mount", "/targetroot", targetroot_mnt, sizeof targetroot_mnt},
{"dist postfix", ".tgz", dist_postfix, sizeof dist_postfix},
{"diskname", "mydisk", bsddiskname, sizeof bsddiskname},
{"pkg host", SYSINST_PKG_HOST, pkg.host, sizeof pkg.host},
{"pkg dir", SYSINST_PKG_DIR, pkg.dir, sizeof pkg.dir},
{"pkg prefix", "/" MACH "/" REL "/All", pkg_dir, sizeof pkg_dir},
{"pkg user", "ftp", pkg.user, sizeof pkg.user},
{"pkg pass", "", pkg.pass, sizeof pkg.pass},
{"pkg proxy", "", pkg.proxy, sizeof pkg.proxy},
{"pkgsrc host", SYSINST_PKGSRC_HOST, pkgsrc.host, sizeof pkgsrc.host},
{"pkgsrc dir", "", pkgsrc.dir, sizeof pkgsrc.dir},
{"pkgsrc prefix", "pub/pkgsrc/stable", pkgsrc_dir, sizeof pkgsrc_dir},
{"pkgsrc user", "ftp", pkgsrc.user, sizeof pkgsrc.user},
{"pkgsrc pass", "", pkgsrc.pass, sizeof pkgsrc.pass},
{"pkgsrc proxy", "", pkgsrc.proxy, sizeof pkgsrc.proxy},
{NULL, NULL, NULL, 0}
};
static void
init(void)
{
const struct f_arg *arg;
sizemult = 1;
disktype = "unknown";
tmp_ramdisk_size = 0;
doessf = "";
clean_xfer_dir = 0;
mnt2_mounted = 0;
fd_type = "msdos";
for (arg = fflagopts; arg->name != NULL; arg++) {
if (arg->var == cdrom_dev)
strlcpy(arg->var, get_default_cdrom(), arg->size);
else
strlcpy(arg->var, arg->dflt, arg->size);
}
pkg.xfer_type = pkgsrc.xfer_type = "http";
}
__weakref_visible void prelim_menu(void)
__weak_reference(md_prelim_menu);
int
main(int argc, char **argv)
{
WINDOW *win;
int ch;
init();
#ifdef DEBUG
log_flip();
#endif
/* Check for TERM ... */
if (!getenv("TERM")) {
(void)fprintf(stderr,
"sysinst: environment variable TERM not set.\n");
exit(4);
}
/* argv processing */
while ((ch = getopt(argc, argv, "Dr:f:")) != -1)
switch(ch) {
case 'D': /* set to get past certain errors in testing */
debug = 1;
break;
case 'r':
/* Release name other than compiled in release. */
strncpy(rel, optarg, sizeof rel);
break;
case 'f':
/* Definition file to read. */
process_f_flag(optarg);
break;
case '?':
default:
usage();
}
md_init();
/* initialize message window */
if (menu_init()) {
__menu_initerror();
exit(4);
}
/*
* Put 'messages' in a window that has a one-character border
* on the real screen.
*/
win = newwin(getmaxy(stdscr) - 2, getmaxx(stdscr) - 2, 1, 1);
if (win == NULL) {
(void)fprintf(stderr,
"sysinst: screen too small\n");
exit(1);
}
if (has_colors()) {
/*
* XXX This color trick should be done so much better,
* but is it worth it?
*/
wbkgd(win, COLOR_PAIR(1));
wattrset(win, COLOR_PAIR(1));
}
msg_window(win);
/* Watch for signals and clean up */
(void)atexit(cleanup);
(void)signal(SIGINT, ttysighandler);
(void)signal(SIGQUIT, ttysighandler);
(void)signal(SIGHUP, miscsighandler);
/* redraw screen */
touchwin(stdscr);
refresh();
/* Ensure we have mountpoint for target filesystems */
mkdir(targetroot_mnt, S_IRWXU| S_IRGRP|S_IXGRP | S_IROTH|S_IXOTH);
select_language();
get_kb_encoding();
#ifdef __weak_reference
/* if md wants to ask anything before we start, do it now */
if (prelim_menu != 0)
prelim_menu();
#endif
/* Menu processing */
process_menu(MENU_netbsd, NULL);
exit_cleanly = 1;
return 0;
}
static int
set_language(menudesc *m, void *arg)
{
char **fnames = arg;
msg_file(fnames[m->cursel]);
return 1;
}
static void
select_language(void)
{
DIR *dir;
struct dirent *dirent;
char **lang_msg, **fnames;
int max_lang = 16, num_lang = 0;
const char *cp;
menu_ent *opt = 0;
int lang_menu = -1;
int lang;
dir = opendir(".");
if (!dir)
return;
lang_msg = malloc(max_lang * sizeof *lang_msg);
fnames = malloc(max_lang * sizeof *fnames);
if (!lang_msg || !fnames)
goto done;
lang_msg[0] = strdup(msg_string(MSG_sysinst_message_language));
fnames[0] = 0;
num_lang = 1;
while ((dirent = readdir(dir)) != 0) {
if (memcmp(dirent->d_name, "sysinstmsgs.", 12))
continue;
if (msg_file(dirent->d_name))
continue;
cp = msg_string(MSG_sysinst_message_language);
if (!strcmp(cp, lang_msg[0]))
continue;
if (num_lang == max_lang) {
char **new;
max_lang *= 2;
new = realloc(lang_msg, max_lang * sizeof *lang_msg);
if (!new)
break;
lang_msg = new;
new = realloc(fnames, max_lang * sizeof *fnames);
if (!new)
break;
fnames = new;
}
fnames[num_lang] = strdup(dirent->d_name);
lang_msg[num_lang++] = strdup(cp);
}
msg_file(0);
closedir(dir);
dir = 0;
if (num_lang == 1)
goto done;
opt = calloc(num_lang, sizeof *opt);
if (!opt)
goto done;
for (lang = 0; lang < num_lang; lang++) {
opt[lang].opt_name = lang_msg[lang];
opt[lang].opt_menu = OPT_NOMENU;
opt[lang].opt_action = set_language;
}
lang_menu = new_menu(NULL, opt, num_lang, -1, 12, 0, 0, MC_NOEXITOPT,
NULL, NULL, NULL, NULL, NULL);
if (lang_menu != -1) {
msg_display(MSG_hello);
process_menu(lang_menu, fnames);
}
done:
if (dir)
closedir(dir);
if (lang_menu != -1)
free_menu(lang_menu);
free(opt);
while (num_lang) {
free(lang_msg[--num_lang]);
free(fnames[num_lang]);
}
free(lang_msg);
free(fnames);
/* set locale according to selected language */
cp = msg_string(MSG_sysinst_message_locale);
if (cp) {
setlocale(LC_CTYPE, cp);
setenv("LC_CTYPE", cp, 1);
}
}
#ifndef md_may_remove_boot_medium
#define md_may_remove_boot_medium() (boot_media_still_needed()<=0)
#endif
/* toplevel menu handler ... */
void
toplevel(void)
{
/* Display banner message in (english, francais, deutsch..) */
msg_display(MSG_hello);
msg_display_add(MSG_md_hello);
if (md_may_remove_boot_medium())
msg_display_add(MSG_md_may_remove_boot_medium);
msg_display_add(MSG_thanks);
/*
* Undo any stateful side-effects of previous menu choices.
* XXX must be idempotent, since we get run each time the main
* menu is displayed.
*/
unwind_mounts();
/* ... */
}
/* The usage ... */
static void
usage(void)
{
(void)fprintf(stderr, "%s", msg_string(MSG_usage));
exit(1);
}
/* ARGSUSED */
static void
miscsighandler(int signo)
{
/*
* we need to cleanup(), but it was already scheduled with atexit(),
* so it'll be invoked on exit().
*/
exit(1);
}
static void
ttysighandler(int signo)
{
/*
* if we want to ignore a TTY signal (SIGINT or SIGQUIT), then we
* just return. If we want to forward a TTY signal, we forward it
* to the specified process group.
*
* This functionality is used when setting up and displaying child
* output so that the child gets the signal and presumably dies,
* but sysinst continues. We use this rather than actually ignoring
* the signals, because that will be be passed on to a child
* through fork/exec, whereas special handlers get reset on exec..
*/
if (ttysig_ignore)
return;
if (ttysig_forward) {
killpg(ttysig_forward, signo);
return;
}
/*
* we need to cleanup(), but it was already scheduled with atexit(),
* so it'll be invoked on exit().
*/
exit(1);
}
static void
cleanup(void)
{
time_t tloc;
(void)time(&tloc);
#if 0
restore_etc();
#endif
/* Ensure we aren't inside the target tree */
chdir(getenv("HOME"));
unwind_mounts();
umount_mnt2();
endwin();
if (logfp) {
fprintf(logfp, "Log ended at: %s\n", asctime(localtime(&tloc)));
fflush(logfp);
fclose(logfp);
logfp = NULL;
}
if (script) {
fprintf(script, "# Script ended at: %s\n",
asctime(localtime(&tloc)));
fflush(script);
fclose(script);
script = NULL;
}
if (!exit_cleanly)
fprintf(stderr, "\n\nsysinst terminated.\n");
}
/* process function ... */
void
process_f_flag(char *f_name)
{
char buffer[STRSIZE];
int len;
const struct f_arg *arg;
FILE *fp;
char *cp, *cp1;
/* open the file */
fp = fopen(f_name, "r");
if (fp == NULL) {
fprintf(stderr, msg_string(MSG_config_open_error), f_name);
exit(1);
}
while (fgets(buffer, sizeof buffer, fp) != NULL) {
cp = buffer + strspn(buffer, " \t");
if (strchr("#\r\n", *cp) != NULL)
continue;
for (arg = fflagopts; arg->name != NULL; arg++) {
len = strlen(arg->name);
if (memcmp(cp, arg->name, len) != 0)
continue;
cp1 = cp + len;
cp1 += strspn(cp1, " \t");
if (*cp1++ != '=')
continue;
cp1 += strspn(cp1, " \t");
len = strcspn(cp1, " \n\r\t");
cp1[len] = 0;
strlcpy(arg->var, cp1, arg->size);
break;
}
}
fclose(fp);
}
|