138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated for what's essentially a complete rewrite.
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*
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* $Id: main.c,v 1.43 1997/02/22 14:11:55 peter Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <sys/signal.h>
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#include <sys/fcntl.h>
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static void
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screech(int sig)
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{
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msgDebug("\007Signal %d caught! That's bad!\n", sig);
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}
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int
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main(int argc, char **argv)
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{
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int choice, scroll, curr, max;
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/* Catch fatal signals and complain about them if running as init */
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if (getpid() == 1) {
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signal(SIGBUS, screech);
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signal(SIGSEGV, screech);
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}
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/* We don't work too well when running as non-root anymore */
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if (geteuid() != 0) {
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fprintf(stderr, "Error: This utility should only be run as root.\n");
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return 1;
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}
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/* Set up whatever things need setting up */
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systemInitialize(argc, argv);
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/* Set default flag and variable values */
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installVarDefaults(NULL);
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installEnvironment();
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if (argc > 1 && !strcmp(argv[1], "-fake")) {
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variable_set2(VAR_DEBUG, "YES");
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Fake = TRUE;
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msgConfirm("I'll be just faking it from here on out, OK?");
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}
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/* Try to preserve our scroll-back buffer */
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if (OnVTY) {
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for (curr = 0; curr < 25; curr++)
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putchar('\n');
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}
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/* Move stderr aside */
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if (DebugFD)
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dup2(DebugFD, 2);
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/* Probe for all relevant devices on the system */
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deviceGetAll();
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/* First, see if we have any arguments to process (and argv[0] counts if it's not "sysinstall") */
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if (!RunningAsInit) {
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int i, start_arg;
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if (!strstr(argv[0], "sysinstall"))
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start_arg = 0;
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else if (Fake)
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start_arg = 2;
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else
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start_arg = 1;
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for (i = start_arg; i < argc; i++) {
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if (DITEM_STATUS(dispatchCommand(argv[i])) != DITEM_SUCCESS)
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systemShutdown(1);
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}
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if (argc > start_arg)
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systemShutdown(0);
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}
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else {
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FILE *fp;
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char buf[BUFSIZ];
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fp = fopen("install.cfg", "r");
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if (fp) {
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msgNotify("Loading pre-configuration file");
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while (fgets(buf, sizeof buf, fp)) {
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if (DITEM_STATUS(dispatchCommand(buf)) != DITEM_SUCCESS) {
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msgDebug("Command `%s' failed - rest of script aborted.\n", buf);
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break;
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}
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}
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fclose(fp);
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}
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}
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/* Begin user dialog at outer menu */
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dialog_clear();
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while (1) {
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choice = scroll = curr = max = 0;
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dmenuOpen(&MenuInitial, &choice, &scroll, &curr, &max, TRUE);
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if (getpid() != 1 || !msgYesNo("Are you sure you wish to exit? The system will reboot\n"
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"(be sure to remove any floppies from the drives)."))
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break;
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}
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/* Say goodnight, Gracie */
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systemShutdown(0);
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return 0; /* We should never get here */
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}
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