HardenedBSD/release/sysinstall/variable_load.c
Jordan K. Hubbard eefc5acdc5 Some of my pending merge changes, Paul Traina's more flexible config
file loading code.
Submitted by:	pst
1997-03-19 10:09:28 +00:00

114 lines
3.4 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.
*
* $Id$
*
* Copyright (c) 1997
* Paul Traina. 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 PAUL TRAINA ``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 PAUL TRAINA OR HIS KILLER RATS 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>
int
variableLoad(dialogMenuItem * self)
{
extern char *distWanted;
int what = DITEM_RESTORE;
char *cp, *old;
char buf[BUFSIZ];
FILE *fp;
mediaClose();
dialog_clear_norefresh();
if ((cp = variable_get(VAR_INSTALL_CFG)) != NULL) {
old = strdup(cp);
cp = variable_get_value(VAR_INSTALL_CFG,
"Specify the name of a configuration file\n"
"residing on a MSDOS or UFS floppy.\n\n"
"(default: %s)");
if (!cp) {
free(old);
return DITEM_FAILURE | what;
}
if (!*cp)
variable_set2(VAR_INSTALL_CFG, cp);
free(old);
} else {
cp = variable_get_value(VAR_INSTALL_CFG,
"Specify the name of a configuration file\n"
"residing on a MSDOS or UFS floppy.");
if (!cp || !*cp) {
variable_unset(VAR_INSTALL_CFG);
return DITEM_FAILURE | what;
}
}
distWanted = cp = variable_get(VAR_INSTALL_CFG);
/* Try to open the floppy drive if we can do that first */
if (DITEM_STATUS(mediaSetFloppy(NULL)) == DITEM_FAILURE ||
mediaDevice->init(mediaDevice)) {
msgConfirm("Unable to access floppy.");
return DITEM_FAILURE | what;
}
fp = mediaDevice->get(mediaDevice, cp, TRUE);
if (!fp) {
msgConfirm("Configuration file '%s' not found.");
variable_unset(VAR_INSTALL_CFG);
what |= DITEM_FAILURE;
goto terminate_device;
}
msgNotify("Loading %s pre-configuration file", cp);
while (fgets(buf, sizeof buf, fp)) {
if (DITEM_STATUS(dispatchCommand(buf)) != DITEM_SUCCESS) {
msgConfirm("Command `%s' failed - rest of script aborted.\n", buf);
what |= DITEM_FAILURE;
goto terminate_file;
}
}
what |= DITEM_SUCCESS;
terminate_file:
fclose(fp);
terminate_device:
mediaDevice->shutdown(mediaDevice);
return what;
}