e3598880e3
nor is it in sync with my working sources, but it leaves me less CVS hassles to bring in the new files at this time. Still no documentation to translate quite yet, but soon. This stuff is actually very close now.
202 lines
4.1 KiB
C
202 lines
4.1 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: system.c,v 1.2 1995/04/29 19:33:06 jkh Exp $
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*
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* Jordan Hubbard
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*
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* My contributions are in the public domain.
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*
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* Parts of this file are also blatently stolen from Poul-Henning Kamp's
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* previous version of sysinstall, and as such fall under his "BEERWARE"
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* license, so buy him a beer if you like it! Buy him a beer for me, too!
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*/
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#include "sysinstall.h"
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#include <signal.h>
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#include <sys/reboot.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/wait.h>
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/* Handle interrupt signals (duh!) */
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static void
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handle_intr(int sig)
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{
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}
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/* Welcome the user to the system */
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void
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systemWelcome(void)
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{
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}
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/* Initialize system defaults */
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void
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systemInitialize(int argc, char **argv)
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{
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signal(SIGINT, SIG_IGN);
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globalsInit();
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/* Are we running as init? */
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if (getpid() == 1) {
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setsid();
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if (argc > 1 && strchr(argv[1],'C')) {
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/* Kernel told us that we are on a CDROM root */
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close(0); open("/bootcd/dev/console", O_RDWR);
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close(1); dup(0);
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close(2); dup(0);
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CpioFD = open("/floppies/cpio.flp", O_RDONLY);
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OnCDROM = TRUE;
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chroot("/bootcd");
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} else {
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close(0); open("/dev/console", O_RDWR);
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close(1); dup(0);
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close(2); dup(0);
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}
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msgInfo("%s running as init", argv[0]);
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ioctl(0, TIOCSCTTY, (char *)NULL);
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setlogin("root");
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setbuf(stdin, 0);
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setbuf(stdout, 0);
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setbuf(stderr, 0);
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}
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if (set_termcap() == -1)
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msgFatal("Can't find terminal entry");
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/* XXX - libdialog has particularly bad return value checking */
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init_dialog();
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/* If we haven't crashed I guess dialog is running ! */
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DialogActive = TRUE;
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signal(SIGINT, handle_intr);
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}
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/* Close down and prepare to exit */
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void
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systemShutdown(void)
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{
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if (DialogActive) {
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end_dialog();
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DialogActive = FALSE;
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}
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/* REALLY exit! */
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if (getpid() == 1)
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reboot(RB_HALT);
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else
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exit(1);
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}
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/* Run some general command */
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int
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systemExecute(char *command)
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{
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int status;
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dialog_clear();
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dialog_update();
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end_dialog();
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DialogActive = FALSE;
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status = system(command);
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DialogActive = TRUE;
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dialog_clear();
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dialog_update();
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return status;
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}
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/* Find and execute a shell */
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int
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systemShellEscape(void)
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{
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char *sh = NULL;
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if (file_executable("/bin/sh"))
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sh = "/bin/sh";
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else if (file_executable("/stand/sh"))
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sh = "/stand/sh";
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else {
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msgWarn("No shell available, sorry!");
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return 1;
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}
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setenv("PS1", "freebsd% ", 1);
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dialog_clear();
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dialog_update();
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move(0, 0);
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standout();
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addstr("Type `exit' to leave this shell and continue installation");
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standend();
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refresh();
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end_dialog();
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DialogActive = FALSE;
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if (fork() == 0)
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execlp(sh, "-sh", 0);
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else
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wait(NULL);
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dialog_clear();
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DialogActive = TRUE;
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return 0;
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}
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/* Display a file in a filebox */
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int
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systemDisplayFile(char *file)
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{
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char *fname = NULL;
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char buf[FILENAME_MAX];
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fname = systemHelpFile(file, buf);
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if (!fname) {
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snprintf(buf, FILENAME_MAX, "The %s file is not provided on this particular floppy image.", file);
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use_helpfile(NULL);
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use_helpline(NULL);
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dialog_mesgbox("Sorry!", buf, -1, -1);
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dialog_clear_norefresh();
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return 1;
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}
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else {
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dialog_clear_norefresh();
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use_helpfile(NULL);
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use_helpline(NULL);
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dialog_textbox(file, fname, LINES, COLS);
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dialog_clear_norefresh();
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}
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return 0;
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}
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char *
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systemHelpFile(char *file, char *buf)
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{
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char *cp, *fname = NULL;
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if (!file)
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return NULL;
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if ((cp = getenv("LANG")) != NULL) {
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snprintf(buf, FILENAME_MAX, "help/%s/%s", cp, file);
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if (file_readable(buf))
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fname = buf;
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else {
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snprintf(buf, FILENAME_MAX, "/stand/help/%s/%s", cp, file);
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if (file_readable(buf))
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fname = buf;
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}
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}
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else {
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snprintf(buf, FILENAME_MAX, "help/en_US.ISO8859-1/%s", file);
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if (file_readable(buf))
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fname = buf;
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else {
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snprintf(buf, FILENAME_MAX, "/stand/help/en_US.ISO8859-1/%s",
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file);
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if (file_readable(buf))
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fname = buf;
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}
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}
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return fname;
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}
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