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Diffstat (limited to 'usr.sbin/sysinstall/system.c')
-rw-r--r--usr.sbin/sysinstall/system.c396
1 files changed, 0 insertions, 396 deletions
diff --git a/usr.sbin/sysinstall/system.c b/usr.sbin/sysinstall/system.c
deleted file mode 100644
index 97b7d57008a4..000000000000
--- a/usr.sbin/sysinstall/system.c
+++ /dev/null
@@ -1,396 +0,0 @@
-/*
- * 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 1.86 1999/01/08 00:14:22 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!
- * Heck, get him completely drunk and send me pictures! :-)
- */
-
-#include "sysinstall.h"
-#include <signal.h>
-#include <sys/reboot.h>
-#include <machine/console.h>
-#include <sys/fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-
-
-/* Where we stick our temporary expanded doc file */
-#define DOC_TMP_DIR "/tmp/.doc"
-#define DOC_TMP_FILE "/tmp/.doc/doc.tmp"
-
-static pid_t ehs_pid;
-
-/*
- * 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)
-{
- WINDOW *save = savescr();
-
- if (!msgYesNo("Are you sure you want to abort the installation?"))
- systemShutdown(-1);
- else
- restorescr(save);
-}
-
-/* Expand a file into a convenient location, nuking it each time */
-static char *
-expand(char *fname)
-{
- char *gunzip = RunningAsInit ? "/stand/gunzip" : "/usr/bin/gunzip";
-
- if (!directory_exists(DOC_TMP_DIR)) {
- Mkdir(DOC_TMP_DIR);
- if (chown(DOC_TMP_DIR, 0, 0) < 0)
- return NULL;
- if (chmod(DOC_TMP_DIR, S_IRWXU) < 0)
- return NULL;
- }
- else
- unlink(DOC_TMP_FILE);
- if (!file_readable(fname) || vsystem("%s < %s > %s", gunzip, fname, DOC_TMP_FILE))
- return NULL;
- return DOC_TMP_FILE;
-}
-
-/* Initialize system defaults */
-void
-systemInitialize(int argc, char **argv)
-{
- int i;
-
- signal(SIGINT, SIG_IGN);
- globalsInit();
-
- /* Are we running as init? */
- if (getpid() == 1) {
- int fd, type;
-
- RunningAsInit = 1;
- setsid();
- close(0);
- fd = open("/dev/ttyv0", O_RDWR);
- if (fd == -1)
- fd = open("/dev/console", O_RDWR); /* fallback */
- else
- OnVTY = TRUE;
- /*
- * To make _sure_ we're on a VTY and don't have /dev/console switched
- * away to a serial port or something, attempt to set the cursor appearance.
- */
- type = 0; /* normal */
- if (OnVTY) {
- int fd2;
-
- if ((fd2 = open("/dev/console", O_RDWR)) != -1) {
- if (ioctl(fd2, CONS_CURSORTYPE, &type) == -1) {
- OnVTY = FALSE;
- close(fd); close(fd2);
- open("/dev/console", O_RDWR);
- }
- else
- close(fd2);
- }
- }
- close(1); dup(0);
- close(2); dup(0);
- printf("%s running as init on %s\n", argv[0], OnVTY ? "vty0" : "serial console");
- i = ioctl(0, TIOCSCTTY, (char *)NULL);
- setlogin("root");
- setenv("PATH", "/stand:/bin:/sbin:/usr/sbin:/usr/bin:/mnt/bin:/mnt/sbin:/mnt/usr/sbin:/mnt/usr/bin:/usr/X11R6/bin", 1);
- setbuf(stdin, 0);
- setbuf(stderr, 0);
- }
- else {
- char hname[256];
-
- /* Initalize various things for a multi-user environment */
- if (!gethostname(hname, sizeof hname))
- variable_set2(VAR_HOSTNAME, hname);
- }
-
- if (set_termcap() == -1) {
- printf("Can't find terminal entry\n");
- exit(-1);
- }
-
- /* XXX - libdialog has particularly bad return value checking */
- init_dialog();
-
- /* If we haven't crashed I guess dialog is running ! */
- DialogActive = TRUE;
-
- /* Make sure HOME is set for those utilities that need it */
- if (!getenv("HOME"))
- setenv("HOME", "/", 1);
- signal(SIGINT, handle_intr);
- (void)vsystem("rm -rf %s", DOC_TMP_DIR);
-}
-
-/* Close down and prepare to exit */
-void
-systemShutdown(int status)
-{
- /* If some media is open, close it down */
- if (status >=0 && mediaDevice)
- mediaDevice->shutdown(mediaDevice);
-
- /* write out any changes to rc.conf .. */
- configRC_conf("/etc/rc.conf");
-
- /* Shut down the dialog library */
- if (DialogActive) {
- end_dialog();
- DialogActive = FALSE;
- }
-
- /* Shut down curses */
- endwin();
-
- /* If we have a temporary doc dir lying around, nuke it */
- (void)vsystem("rm -rf %s", DOC_TMP_DIR);
-
- /* REALLY exit! */
- if (RunningAsInit) {
- /* Put the console back */
- ioctl(0, VT_ACTIVATE, 2);
-#ifdef __alpha__
- reboot(RB_HALT);
-#else
- reboot(0);
-#endif
- }
- else
- exit(status);
-}
-
-/* Run some general command */
-int
-systemExecute(char *command)
-{
- int status;
- struct termios foo;
-
- dialog_update();
- end_dialog();
- DialogActive = FALSE;
- if (tcgetattr(0, &foo) != -1) {
- foo.c_cc[VERASE] = '\010';
- tcsetattr(0, TCSANOW, &foo);
- }
- if (!Fake)
- status = system(command);
- else {
- status = 0;
- msgDebug("systemExecute: Faked execution of `%s'\n", command);
- }
- DialogActive = TRUE;
- return status;
-}
-
-/* Display a help file in a filebox */
-int
-systemDisplayHelp(char *file)
-{
- char *fname = NULL;
- char buf[FILENAME_MAX];
- int ret = 0;
-
- 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);
- ret = 1;
- }
- else {
- use_helpfile(NULL);
- use_helpline(NULL);
- dialog_textbox(file, fname, LINES, COLS);
- }
- return ret;
-}
-
-char *
-systemHelpFile(char *file, char *buf)
-{
- if (!file)
- return NULL;
-
- snprintf(buf, FILENAME_MAX, "/stand/help/%s.hlp.gz", file);
- if (file_readable(buf))
- return expand(buf);
- snprintf(buf, FILENAME_MAX, "/stand/help/%s.TXT.gz", file);
- if (file_readable(buf))
- return expand(buf);
- snprintf(buf, FILENAME_MAX, "/usr/src/release/sysinstall/help/%s.hlp", file);
- if (file_readable(buf))
- return buf;
- snprintf(buf, FILENAME_MAX, "/usr/src/release/sysinstall/help/%s.TXT", file);
- if (file_readable(buf))
- return buf;
- return NULL;
-}
-
-void
-systemChangeTerminal(char *color, const u_char c_term[],
- char *mono, const u_char m_term[])
-{
- extern void init_acs(void);
-
- if (OnVTY) {
- if (ColorDisplay) {
- setenv("TERM", color, 1);
- setenv("TERMCAP", c_term, 1);
- reset_shell_mode();
- setterm(color);
- init_acs();
- cbreak(); noecho();
- }
- else {
- setenv("TERM", mono, 1);
- setenv("TERMCAP", m_term, 1);
- reset_shell_mode();
- setterm(mono);
- init_acs();
- cbreak(); noecho();
- }
- }
- clear();
- refresh();
- dialog_clear();
-}
-
-int
-vsystem(char *fmt, ...)
-{
- va_list args;
- int pstat;
- pid_t pid;
- int omask;
- sig_t intsave, quitsave;
- char *cmd;
- int i;
-
- cmd = (char *)alloca(FILENAME_MAX);
- cmd[0] = '\0';
- va_start(args, fmt);
- vsnprintf(cmd, FILENAME_MAX, fmt, args);
- va_end(args);
-
- omask = sigblock(sigmask(SIGCHLD));
- if (Fake) {
- msgDebug("vsystem: Faked execution of `%s'\n", cmd);
- return 0;
- }
- if (isDebug())
- msgDebug("Executing command `%s'\n", cmd);
- pid = fork();
- if (pid == -1) {
- (void)sigsetmask(omask);
- i = 127;
- }
- else if (!pid) { /* Junior */
- (void)sigsetmask(omask);
- if (DebugFD != -1) {
- dup2(DebugFD, 0);
- dup2(DebugFD, 1);
- dup2(DebugFD, 2);
- }
- else {
- close(1); open("/dev/null", O_WRONLY);
- dup2(1, 2);
- }
- if (!RunningAsInit)
- execl("/bin/sh", "/bin/sh", "-c", cmd, (char *)NULL);
- else
- execl("/stand/sh", "/stand/sh", "-c", cmd, (char *)NULL);
- exit(1);
- }
- else {
- intsave = signal(SIGINT, SIG_IGN);
- quitsave = signal(SIGQUIT, SIG_IGN);
- pid = waitpid(pid, &pstat, 0);
- (void)sigsetmask(omask);
- (void)signal(SIGINT, intsave);
- (void)signal(SIGQUIT, quitsave);
- i = (pid == -1) ? -1 : WEXITSTATUS(pstat);
- if (isDebug())
- msgDebug("Command `%s' returns status of %d\n", cmd, i);
- }
- return i;
-}
-
-void
-systemCreateHoloshell(void)
-{
- if (OnVTY && RunningAsInit) {
-
- if (ehs_pid != 0) {
- int pstat;
-
- if (kill(ehs_pid, 0) == 0) {
-
- if (msgYesNo("There seems to be an emergency holographic shell\n"
- "already running von VTY 4.\n"
- "Kill it and start a new one?"))
- return;
-
- /* try cleaning up as much as possible */
- (void) kill(ehs_pid, SIGHUP);
- sleep(1);
- (void) kill(ehs_pid, SIGKILL);
- }
-
- /* avoid too many zombies */
- (void) waitpid(ehs_pid, &pstat, WNOHANG);
- }
-
- if ((ehs_pid = fork()) == 0) {
- int i, fd;
- struct termios foo;
- extern int login_tty(int);
-
- ioctl(0, TIOCNOTTY, NULL);
- for (i = getdtablesize(); i >= 0; --i)
- close(i);
- fd = open("/dev/ttyv3", O_RDWR);
- ioctl(0, TIOCSCTTY, &fd);
- dup2(0, 1);
- dup2(0, 2);
- DebugFD = 2;
- if (login_tty(fd) == -1)
- msgDebug("Doctor: I can't set the controlling terminal.\n");
- signal(SIGTTOU, SIG_IGN);
- if (tcgetattr(fd, &foo) != -1) {
- foo.c_cc[VERASE] = '\010';
- if (tcsetattr(fd, TCSANOW, &foo) == -1)
- msgDebug("Doctor: I'm unable to set the erase character.\n");
- }
- else
- msgDebug("Doctor: I'm unable to get the terminal attributes!\n");
- execlp("sh", "-sh", 0);
- msgDebug("Was unable to execute sh for Holographic shell!\n");
- exit(1);
- }
- else {
- msgNotify("Starting an emergency holographic shell on VTY4");
- sleep(2);
- }
- }
-}
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