freebsd-dev/usr.sbin/sysinstall/main.c
Warner Losh ca607f1957 The PCMCIA Standard dictates that those funny cards you insert into
laptops are "PC Cards" and uses said term consistantly.  Allow my
foolish hobgoblins to get the better of me and become consistant.
2003-08-20 06:27:21 +00:00

188 lines
5.5 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated for what's essentially a complete rewrite.
*
* $FreeBSD$
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* 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,
* verbatim and that no modifications are made prior to this
* point in the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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.
*
*/
#include "sysinstall.h"
#include <sys/signal.h>
#include <sys/fcntl.h>
const char *StartName; /* Initial contents of argv[0] */
static void
screech(int sig)
{
msgDebug("\007Signal %d caught! That's bad!\n", sig);
longjmp(BailOut, sig);
}
int
main(int argc, char **argv)
{
int choice, scroll, curr, max, status;
/* Record name to be able to restart */
StartName = argv[0];
/* Catch fatal signals and complain about them if running as init */
if (getpid() == 1) {
signal(SIGBUS, screech);
signal(SIGSEGV, screech);
}
signal(SIGPIPE, SIG_IGN);
/* We don't work too well when running as non-root anymore */
if (geteuid() != 0) {
fprintf(stderr, "Error: This utility should only be run as root.\n");
return 1;
}
#ifdef PC98
{
/* XXX */
char *p = getenv("TERM");
if (p && strcmp(p, "cons25") == 0)
putenv("TERM=cons25w");
}
#endif
/* Set up whatever things need setting up */
systemInitialize(argc, argv);
/* Set default flag and variable values */
installVarDefaults(NULL);
/* only when multi-user is it reasonable to do this here */
if (!RunningAsInit)
installEnvironment();
if (argc > 1 && !strcmp(argv[1], "-fake")) {
variable_set2(VAR_DEBUG, "YES", 0);
Fake = TRUE;
msgConfirm("I'll be just faking it from here on out, OK?");
}
if (argc > 1 && !strcmp(argv[1], "-restart"))
Restarting = TRUE;
/* Try to preserve our scroll-back buffer */
if (OnVTY) {
for (curr = 0; curr < 25; curr++)
putchar('\n');
}
/* Move stderr aside */
if (DebugFD)
dup2(DebugFD, 2);
/* Initialize driver modules, if we haven't already done so (ie,
the user hit Ctrl-C -> Restart. */
if (!pvariable_get("modulesInitialize")) {
moduleInitialize();
pvariable_set("modulesInitialize=1");
}
/* Initialize PC Card, if we haven't already done so. */
#ifdef PCCARD_ARCH
if (!variable_cmp(VAR_SKIP_PCCARD, "YES") &&
variable_get(VAR_SKIP_PCCARD)!=1 &&
!pvariable_get("pccardInitialize")) {
pccardInitialize();
pvariable_set("pccardInitialize=1");
}
#endif
/* Initialize USB, if we haven't already done so. */
if (!pvariable_get("usbInitialize")) {
usbInitialize();
pvariable_set("usbInitialize=1");
}
/* Probe for all relevant devices on the system */
deviceGetAll();
/* Prompt for the driver floppy if appropriate. */
if (!pvariable_get("driverFloppyCheck")) {
driverFloppyCheck();
pvariable_set("driverFloppyCheck=1");
}
/* First, see if we have any arguments to process (and argv[0] counts if it's not "sysinstall") */
if (!RunningAsInit) {
int i, start_arg;
if (!strstr(argv[0], "sysinstall"))
start_arg = 0;
else if (Fake || Restarting)
start_arg = 2;
else
start_arg = 1;
for (i = start_arg; i < argc; i++) {
if (DITEM_STATUS(dispatchCommand(argv[i])) != DITEM_SUCCESS)
systemShutdown(1);
}
if (argc > start_arg)
systemShutdown(0);
}
else
dispatch_load_file_int(TRUE);
status = setjmp(BailOut);
if (status) {
msgConfirm("A signal %d was caught - I'm saving what I can and shutting\n"
"down. If you can reproduce the problem, please turn Debug on\n"
"in the Options menu for the extra information it provides\n"
"in debugging problems like this.", status);
systemShutdown(status);
}
/* Begin user dialog at outer menu */
dialog_clear();
while (1) {
choice = scroll = curr = max = 0;
dmenuOpen(&MenuInitial, &choice, &scroll, &curr, &max, TRUE);
if (getpid() != 1
#if defined(__alpha__) || defined(__sparc64__)
|| !msgNoYes("Are you sure you wish to exit? The system will halt.")
#else
|| !msgNoYes("Are you sure you wish to exit? The system will reboot\n"
"(be sure to remove any floppies/CDs/DVDs from the drives).")
#endif
)
break;
}
/* Say goodnight, Gracie */
systemShutdown(0);
return 0; /* We should never get here */
}