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/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: system.c,v 1.3 1995/05/01 21:56:31 jkh Exp $
*
* Jordan Hubbard
*
* My contributions are in the public domain.
*
* Parts of this file are also blatently stolen from Poul-Henning Kamp's
* previous version of sysinstall, and as such fall under his "BEERWARE"
* license, so buy him a beer if you like it! Buy him a beer for me, too!
*/
#include "sysinstall.h"
#include <signal.h>
#include <sys/reboot.h>
#include <machine/console.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
/*
* Handle interrupt signals - this probably won't work in all cases
* due to our having bogotified the internal state of dialog or curses,
* but we'll give it a try.
*/
static void
handle_intr(int sig)
{
dialog_clear();
clear();
if (!msgYesNo("Are you sure you want to abort the installation?"))
systemShutdown();
else {
dialog_clear();
clear();
refresh();
}
}
/* Welcome the user to the system */
void
systemWelcome(void)
{
printf("Installation system initializing..\n");
}
/* Initialize system defaults */
void
systemInitialize(int argc, char **argv)
{
signal(SIGINT, SIG_IGN);
globalsInit();
/* Are we running as init? */
if (getpid() == 1) {
setsid();
if (argc > 1 && strchr(argv[1],'C')) {
/* Kernel told us that we are on a CDROM root */
close(0); open("/bootcd/dev/console", O_RDWR);
close(1); dup(0);
close(2); dup(0);
CpioFD = open("/floppies/cpio.flp", O_RDONLY);
OnCDROM = TRUE;
chroot("/bootcd");
} else {
close(0); open("/dev/console", O_RDWR);
close(1); dup(0);
close(2); dup(0);
}
msgInfo("%s running as init", argv[0]);
ioctl(0, TIOCSCTTY, (char *)NULL);
setlogin("root");
setbuf(stdin, 0);
setbuf(stdout, 0);
setbuf(stderr, 0);
}
if (set_termcap() == -1)
msgFatal("Can't find terminal entry");
/* XXX - libdialog has particularly bad return value checking */
init_dialog();
/* If we haven't crashed I guess dialog is running ! */
DialogActive = TRUE;
signal(SIGINT, handle_intr);
}
/* Close down and prepare to exit */
void
systemShutdown(void)
{
if (DialogActive) {
end_dialog();
DialogActive = FALSE;
}
/* REALLY exit! */
if (getpid() == 1)
reboot(RB_HALT);
else
exit(1);
}
/* Run some general command */
int
systemExecute(char *command)
{
int status;
dialog_clear();
dialog_update();
end_dialog();
DialogActive = FALSE;
status = system(command);
DialogActive = TRUE;
dialog_clear();
dialog_update();
return status;
}
/* Find and execute a shell */
int
systemShellEscape(void)
{
char *sh = NULL;
if (file_executable("/bin/sh"))
sh = "/bin/sh";
else if (file_executable("/stand/sh"))
sh = "/stand/sh";
else {
msgWarn("No shell available, sorry!");
return 1;
}
setenv("PS1", "freebsd% ", 1);
dialog_clear();
dialog_update();
move(0, 0);
standout();
addstr("Type `exit' to leave this shell and continue installation");
standend();
refresh();
end_dialog();
DialogActive = FALSE;
if (fork() == 0)
execlp(sh, "-sh", 0);
else
wait(NULL);
dialog_clear();
DialogActive = TRUE;
return 0;
}
/* Display a file in a filebox */
int
systemDisplayFile(char *file)
{
char *fname = NULL;
char buf[FILENAME_MAX];
fname = systemHelpFile(file, buf);
if (!fname) {
snprintf(buf, FILENAME_MAX, "The %s file is not provided on this particular floppy image.", file);
use_helpfile(NULL);
use_helpline(NULL);
dialog_mesgbox("Sorry!", buf, -1, -1);
dialog_clear_norefresh();
return 1;
}
else {
dialog_clear_norefresh();
use_helpfile(NULL);
use_helpline(NULL);
dialog_textbox(file, fname, LINES, COLS);
dialog_clear_norefresh();
}
return 0;
}
char *
systemHelpFile(char *file, char *buf)
{
char *cp, *fname = NULL;
if (!file)
return NULL;
if ((cp = getenv("LANG")) != NULL) {
snprintf(buf, FILENAME_MAX, "help/%s/%s", cp, file);
if (file_readable(buf))
fname = buf;
else {
snprintf(buf, FILENAME_MAX, "/stand/help/%s/%s", cp, file);
if (file_readable(buf))
fname = buf;
}
}
else {
snprintf(buf, FILENAME_MAX, "help/en_US.ISO8859-1/%s", file);
if (file_readable(buf))
fname = buf;
else {
snprintf(buf, FILENAME_MAX, "/stand/help/en_US.ISO8859-1/%s",
file);
if (file_readable(buf))
fname = buf;
}
}
return fname;
}
void
systemChangeFont(const u_char font[])
{
if (OnVTY) {
if (ioctl(0, PIO_FONT8x14, font) < 0)
msgConfirm("Sorry! Unable to load font for %s", getenv("LANG"));
}
}
void
systemChangeLang(char *lang)
{
variable_set2("LANG", lang);
}
void
systemChangeTerminal(char *color, const u_char c_term[],
char *mono, const u_char m_term[])
{
if (!OnSerial) {
if (ColorDisplay) {
setenv("TERM", color, 1);
setenv("TERMCAP", c_term, 1);
setterm(color);
}
else {
setenv("TERM", mono, 1);
setenv("TERMCAP", m_term, 1);
setterm(mono);
}
}
}
void
systemChangeScreenmap(const u_char newmap[])
{
if (OnVTY) {
if (ioctl(0, PIO_SCRNMAP, newmap) < 0)
msgConfirm("Sorry! Unable to load the screenmap for %s",
getenv("LANG"));
}
}
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