config.c
/*
* $FreeBSD$
*
* 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 "sade.h"
#include <sys/disklabel.h>
#include <sys/wait.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/fcntl.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/mount.h>
#include <libdisk.h>
#include <time.h>
#include <kenv.h>
static Chunk *chunk_list[MAX_CHUNKS];
static int nchunks;
static int rootdev_is_od;
/* arg to sort */
static int
chunk_compare(Chunk *c1, Chunk *c2)
{
if (!c1 && !c2)
return 0;
else if (!c1 && c2)
return 1;
else if (c1 && !c2)
return -1;
else if (!c1->private_data && !c2->private_data)
return 0;
else if (c1->private_data && !c2->private_data)
return 1;
else if (!c1->private_data && c2->private_data)
return -1;
else
return strcmp(((PartInfo *)(c1->private_data))->mountpoint, ((PartInfo *)(c2->private_data))->mountpoint);
}
static void
chunk_sort(void)
{
int i, j;
for (i = 0; i < nchunks; i++) {
for (j = 0; j < nchunks; j++) {
if (chunk_compare(chunk_list[j], chunk_list[j + 1]) > 0) {
Chunk *tmp = chunk_list[j];
chunk_list[j] = chunk_list[j + 1];
chunk_list[j + 1] = tmp;
}
}
}
}
static void
check_rootdev(Chunk **list, int n)
{
int i;
Chunk *c;
rootdev_is_od = 0;
for (i = 0; i < n; i++) {
c = *list++;
if (c->type == part && (c->flags & CHUNK_IS_ROOT)
&& strncmp(c->disk->name, "od", 2) == 0)
rootdev_is_od = 1;
}
}
static char *
name_of(Chunk *c1)
{
return c1->name;
}
static char *
mount_point(Chunk *c1)
{
if (c1->type == part && c1->subtype == FS_SWAP)
return "none";
else if (c1->type == part || c1->type == fat || c1->type == efi)
return ((PartInfo *)c1->private_data)->mountpoint;
return "/bogus";
}
static char *
fstype(Chunk *c1)
{
if (c1->type == fat || c1->type == efi)
return "msdosfs";
else if (c1->type == part) {
if (c1->subtype != FS_SWAP)
return "ufs";
else
return "swap";
}
return "bogus";
}
static char *
fstype_short(Chunk *c1)
{
if (c1->type == part) {
if (c1->subtype != FS_SWAP) {
if (rootdev_is_od == 0 && strncmp(c1->name, "od", 2) == 0)
return "rw,noauto";
else
return "rw";
}
else
return "sw";
}
else if (c1->type == fat) {
if (strncmp(c1->name, "od", 2) == 0)
return "ro,noauto";
else
return "ro";
}
else if (c1->type == efi)
return "rw";
return "bog";
}
static int
seq_num(Chunk *c1)
{
if (c1->type == part && c1->subtype != FS_SWAP) {
if (rootdev_is_od == 0 && strncmp(c1->name, "od", 2) == 0)
return 0;
else if (c1->flags & CHUNK_IS_ROOT)
return 1;
else
return 2;
}
return 0;
}
int
configFstab(dialogMenuItem *self)
{
Device **devs;
Disk *disk;
FILE *fstab;
int i;
Chunk *c1, *c2;
if (file_readable("/etc/fstab"))
return DITEM_SUCCESS;
else {
msgConfirm("Attempting to rebuild your /etc/fstab file. Warning: If you had\n"
"any CD devices in use before running sysinstall then they may NOT\n"
"be found by this run!");
}
devs = deviceFind(NULL, DEVICE_TYPE_DISK);
if (!devs) {
msgConfirm("No disks found!");
return DITEM_FAILURE;
}
/* Record all the chunks */
nchunks = 0;
for (i = 0; devs[i]; i++) {
if (!devs[i]->enabled)
continue;
disk = (Disk *)devs[i]->private;
if (!disk->chunks)
msgFatal("No chunk list found for %s!", disk->name);
for (c1 = disk->chunks->part; c1; c1 = c1->next) {
#ifdef __powerpc__
if (c1->type == apple) {
#else
if (c1->type == freebsd) {
#endif
for (c2 = c1->part; c2; c2 = c2->next) {
if (c2->type == part && (c2->subtype == FS_SWAP || c2->private_data))
chunk_list[nchunks++] = c2;
}
}
else if (((c1->type == fat || c1->type == efi || c1->type == part) &&
c1->private_data) || (c1->type == part && c1->subtype == FS_SWAP))
chunk_list[nchunks++] = c1;
}
}
chunk_list[nchunks] = 0;
chunk_sort();
fstab = fopen("/etc/fstab", "w");
if (!fstab) {
msgConfirm("Unable to create a new /etc/fstab file! Manual intervention\n"
"will be required.");
return DITEM_FAILURE;
}
check_rootdev(chunk_list, nchunks);
/* Go for the burn */
msgDebug("Generating /etc/fstab file\n");
fprintf(fstab, "# Device\t\tMountpoint\tFStype\tOptions\t\tDump\tPass#\n");
for (i = 0; i < nchunks; i++)
fprintf(fstab, "/dev/%s\t\t%s\t\t%s\t%s\t\t%d\t%d\n", name_of(chunk_list[i]), mount_point(chunk_list[i]),
fstype(chunk_list[i]), fstype_short(chunk_list[i]), seq_num(chunk_list[i]), seq_num(chunk_list[i]));
fclose(fstab);
if (isDebug())
msgDebug("Wrote out /etc/fstab file\n");
return DITEM_SUCCESS;
}
#if 0
/* Do the work of sucking in a config file.
* config is the filename to read in.
* lines is a fixed (max) sized array of char*
* returns number of lines read. line contents
* are malloc'd and must be freed by the caller.
*/
static int
readConfig(char *config, char **lines, int max)
{
FILE *fp;
char line[256];
int i, nlines;
fp = fopen(config, "r");
if (!fp)
return -1;
nlines = 0;
/* Read in the entire file */
for (i = 0; i < max; i++) {
if (!fgets(line, sizeof line, fp))
break;
lines[nlines++] = strdup(line);
}
fclose(fp);
if (isDebug())
msgDebug("readConfig: Read %d lines from %s.\n", nlines, config);
return nlines;
}
#endif
#define MAX_LINES 2000 /* Some big number we're not likely to ever reach - I'm being really lazy here, I know */
#if 0
static void
readConfigFile(char *config, int marked)
{
char *lines[MAX_LINES], *cp, *cp2;
int i, nlines;
nlines = readConfig(config, lines, MAX_LINES);
if (nlines == -1)
return;
for (i = 0; i < nlines; i++) {
/* Skip the comments & non-variable settings */
if (lines[i][0] == '#' || !(cp = index(lines[i], '='))) {
free(lines[i]);
continue;
}
*cp++ = '\0';
/* Find quotes */
if ((cp2 = index(cp, '"')) || (cp2 = index(cp, '\047'))) {
cp = cp2 + 1;
cp2 = index(cp, *cp2);
}
/* If valid quotes, use it */
if (cp2) {
*cp2 = '\0';
/* If we have a legit value, set it */
if (strlen(cp))
variable_set2(lines[i], cp, marked);
}
free(lines[i]);
}
}
/* Load the environment from rc.conf file(s) */
void
configEnvironmentRC_conf(void)
{
static struct {
char *fname;
int marked;
} configs[] = {
{ "/etc/defaults/rc.conf", 0 },
{ "/etc/rc.conf", 0 },
{ "/etc/rc.conf.local", 0 },
{ NULL, 0 },
};
int i;
for (i = 0; configs[i].fname; i++) {
if (file_readable(configs[i].fname))
readConfigFile(configs[i].fname, configs[i].marked);
}
}
#endif
