freebsd-dev/release/sysinstall/variable_load.c
Jordan K. Hubbard 109cd53c79 YAMF22
1997-06-13 07:11:57 +00:00

144 lines
4.0 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: variable_load.c,v 1.6 1997/06/05 09:48:03 jkh Exp $
*
* 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>
/* Add a string to a string list */
static char **
string_add(char **list, char *str, int *curr, int *max)
{
if (*curr == *max) {
*max += 20;
list = (char **)realloc(list, sizeof(char *) * *max);
}
list[(*curr)++] = strdup(str);
return list;
}
/* Toss the strings out */
static void
strings_free(char **list, int *curr, int *max)
{
int i;
for (i = 0; i < *curr; i++)
free(list[i]);
free(list);
*curr = *max = 0;
}
int
variableLoad(dialogMenuItem *self)
{
int what = DITEM_RESTORE | DITEM_SUCCESS;
char buf[BUFSIZ];
extern char *distWanted;
char *cp;
FILE *fp;
int i, curr, max;
char **list;
mediaClose();
dialog_clear_norefresh();
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);
what |= DITEM_FAILURE;
return what;
}
distWanted = cp;
/* Try to open the floppy drive */
if (DITEM_STATUS(mediaSetFloppy(NULL)) == DITEM_FAILURE) {
msgConfirm("Unable to set media device to floppy.");
what |= DITEM_FAILURE;
mediaClose();
return what;
}
if (!mediaDevice->init(mediaDevice)) {
msgConfirm("Unable to mount floppy filesystem.");
what |= DITEM_FAILURE;
mediaClose();
return what;
}
fp = mediaDevice->get(mediaDevice, cp, TRUE);
if (fp) {
msgNotify("Loading %s pre-configuration file", cp);
/* Hint to others that we're running from a script, should they care */
variable_set2(VAR_NONINTERACTIVE, "YES");
/* Now suck in the lot to execute later */
curr = max = 0;
list = NULL;
while (fgets(buf, sizeof buf, fp)) {
if ((cp = strchr(buf, '\n')) != NULL)
*cp = '\0';
if (*buf == '\0' || *buf == '#')
continue;
list = string_add(list, buf, &curr, &max);
}
fclose(fp);
mediaClose();
for (i = 0; i < curr; i++) {
if (DITEM_STATUS(dispatchCommand(list[i])) != DITEM_SUCCESS) {
msgConfirm("Command `%s' failed - rest of script aborted.\n", buf);
what |= DITEM_FAILURE;
break;
}
}
strings_free(list, &curr, &max);
}
else {
msgConfirm("Configuration file '%s' not found.", cp);
variable_unset(VAR_INSTALL_CFG);
what |= DITEM_FAILURE;
mediaClose();
}
variable_unset(VAR_NONINTERACTIVE);
return what;
}