freebsd-skq/release/sysinstall/config.c
peter 89e0ab3dba This mega-commit brings in Jordan's latest sysinstall version..
This looks like it was developed offline, and is being spammed over the
top of the existing.  "That's fine by me!  I dont really care how you do
it, just get it in there..." said Jordan in a conversation a short while
ago...
1995-09-18 16:53:06 +00:00

384 lines
11 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: config.c,v 1.16.2.2 1995/07/21 11:45:36 rgrimes Exp $
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jordan Hubbard
* for the FreeBSD Project.
* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* 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/disklabel.h>
#include <sys/wait.h>
static Chunk *chunk_list[MAX_CHUNKS];
static int nchunks;
/* arg to sort */
static int
chunk_compare(const void *p1, const void *p2)
{
Chunk *c1, *c2;
c1 = (Chunk *)p1;
c2 = (Chunk *)p2;
if (!c1->private && !c2->private)
return 0;
else if (c1->private && !c2->private)
return -1;
else if (!c1->private && c2->private)
return 1;
else
return strcmp(((PartInfo *)c1->private)->mountpoint, ((PartInfo *)c2->private)->mountpoint);
}
static char *
nameof(Chunk *c1)
{
static char rootname[64];
/* Our boot blocks can't deal with root partitions on slices - need the compatbility name */
if (c1->type == part && c1->flags & CHUNK_IS_ROOT) {
sprintf(rootname, "%sa", c1->disk->name);
return rootname;
}
else
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)
return ((PartInfo *)c1->private)->mountpoint;
return "/bogus";
}
static char *
fstype(Chunk *c1)
{
if (c1->type == fat)
return "msdos";
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)
return "rw";
else
return "sw";
}
else if (c1->type == fat)
return "ro";
return "bog";
}
static int
seq_num(Chunk *c1)
{
if (c1->type == part && c1->subtype != FS_SWAP)
return 1;
return 0;
}
void
configFstab(void)
{
Device **devs;
Disk *disk;
FILE *fstab;
int i, cnt;
Chunk *c1, *c2;
if (!RunningAsInit) {
if (file_readable("/etc/fstab"))
return;
else
msgConfirm("Attempting to rebuild your /etc/fstab file.\nWarning: If you had any CD devices in use before running\nsysinstall then they may NOT be found in this run!");
}
devs = deviceFind(NULL, DEVICE_TYPE_DISK);
if (!devs) {
msgConfirm("No disks found!");
return;
}
/* 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) {
if (c1->type == freebsd) {
for (c2 = c1->part; c2; c2 = c2->next) {
if (c2->type == part && (c2->subtype == FS_SWAP || c2->private))
chunk_list[nchunks++] = c2;
}
}
else if (c1->type == fat && c1->private)
chunk_list[nchunks++] = c1;
}
}
/* Sort them puppies! */
qsort(chunk_list, nchunks, sizeof(Chunk *), chunk_compare);
fstab = fopen("/etc/fstab", "w");
if (!fstab) {
msgConfirm("Unable to create a new /etc/fstab file!\nManual intervention will be required.");
return;
}
/* Go for the burn */
msgDebug("Generating /etc/fstab file\n");
for (i = 0; i < nchunks; i++)
fprintf(fstab, "/dev/%s\t\t\t%s\t\t%s\t%s %d %d\n", nameof(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]));
Mkdir("/proc", NULL);
fprintf(fstab, "proc\t\t\t\t/proc\t\tprocfs\trw 0 0\n");
/* Now look for the CDROMs */
devs = deviceFind(NULL, DEVICE_TYPE_CDROM);
cnt = deviceCount(devs);
/* Write the first one out as /cdrom */
if (cnt) {
Mkdir("/cdrom", NULL);
fprintf(fstab, "/dev/%s\t\t\t/cdrom\t\tcd9660\tro 0 0\n", devs[0]->name);
}
/* Write the others out as /cdrom<n> */
for (i = 1; i < cnt; i++) {
char cdname[10];
sprintf(cdname, "/cdrom%d", i);
Mkdir(cdname, NULL);
fprintf(fstab, "/dev/%s\t\t\t%s\t\tcd9660\tro 0 0\n", devs[i]->name, cdname);
}
fclose(fstab);
if (isDebug())
msgDebug("Wrote out /etc/fstab file\n");
}
/*
* This sucks in /etc/sysconfig, substitutes anything needing substitution, then
* writes it all back out. It's pretty gross and needs re-writing at some point.
*/
void
configSysconfig(void)
{
FILE *fp;
char *lines[5001]; /* Some big number we're not likely to ever reach - I'm being really lazy here, I know */
char line[256];
Variable *v;
int i, nlines = 0;
fp = fopen("/etc/sysconfig", "r");
if (!fp) {
msgConfirm("Unable to open /etc/sysconfig file! Things may work\nrather strangely as a result of this.");
return;
}
for (i = 0; i < 5000; i++) {
if (!fgets(line, 255, fp))
break;
lines[nlines++] = strdup(line);
}
lines[nlines] = NULL;
fclose(fp);
for (v = VarHead; v; v = v->next) {
for (i = 0; i < nlines; i++) {
char modify[256], *cp;
if (lines[i][0] == '#' || lines[i][0] == ';')
continue;
strncpy(modify, lines[i], 255);
cp = index(modify, '=');
if (!cp)
continue;
*(cp++) = '\0';
if (!strcmp(modify, v->name)) {
free(lines[i]);
lines[i] = (char *)malloc(strlen(v->name) + strlen(v->value) + 3);
sprintf(lines[i], "%s=\"%s\"\n", v->name, v->value);
}
}
}
fp = fopen("/etc/sysconfig", "w");
if (!fp) {
msgConfirm("Unable to re-write /etc/sysconfig file! Things may work\nrather strangely as a result of this.");
return;
}
for (i = 0; i < nlines; i++) {
fprintf(fp, lines[i]);
free(lines[i]);
/* Stand by for bogus special case handling - we try to dump the interface specs here */
if (!strncmp(lines[i], VAR_INTERFACES, strlen(VAR_INTERFACES))) {
Device **devp;
int j, cnt;
devp = deviceFind(NULL, DEVICE_TYPE_NETWORK);
cnt = deviceCount(devp);
for (j = 0; j < cnt; j++) {
if (devp[j]->private && strncmp(devp[j]->name, "cuaa", 4)) {
char iname[64];
snprintf(iname, 64, "%s%s", VAR_IFCONFIG, devp[j]->name);
if (getenv(iname))
fprintf(fp, "%s=\"%s\"\n", iname, getenv(iname));
}
}
}
}
fclose(fp);
/* If we're an NFS server, we need an exports file */
if (getenv("nfs_server") && !file_readable("/etc/exports")) {
msgConfirm("You have chosen to be an NFS server but have not yet configured\nthe /etc/exports file. The format for an exports entry is:\n <mountpoint> <opts> <host [..host]>\nWhere <mounpoint> is the name of a filesystem as specified\nin the Label editor, <opts> is a list of special options we\nwon't concern ourselves with here (``man exports'' when the\nsystem is fully installed) and <host> is one or more host\nnames who are allowed to mount this file system. Press\n[ENTER] now to invoke the editor on /etc/exports");
systemExecute("vi /etc/exports");
}
}
int
configSaverTimeout(char *str)
{
char *val;
val = msgGetInput("60", "Enter time-out period in seconds for screen saver");
if (val)
variable_set2("blanktime", val);
return 0;
}
int
configNTP(char *str)
{
char *val;
val = msgGetInput(NULL, "Enter the name of an NTP server");
if (val)
variable_set2("ntpdate", val);
return 0;
}
void
configResolv(void)
{
FILE *fp;
char *cp;
if (!RunningAsInit && file_readable("/etc/resolv.conf"))
return;
if (!getenv(VAR_NAMESERVER)) {
if (mediaDevice && (mediaDevice->type == DEVICE_TYPE_NFS || mediaDevice->type == DEVICE_TYPE_FTP))
msgConfirm("Warning: Missing name server value - network operations\nmay fail as a result!");
goto skip;
}
Mkdir("/etc", NULL);
fp = fopen("/etc/resolv.conf", "w");
if (!fp) {
msgConfirm("Unable to open /etc/resolv.conf! You will need to do this manually.");
return;
}
if (getenv(VAR_DOMAINNAME))
fprintf(fp, "domain\t%s\n", getenv(VAR_DOMAINNAME));
fprintf(fp, "nameserver\t%s\n", getenv(VAR_NAMESERVER));
fclose(fp);
if (isDebug())
msgDebug("Wrote out /etc/resolv.conf\n");
skip:
/* Tack ourselves at the end of /etc/hosts */
cp = getenv(VAR_IPADDR);
if (cp && *cp != '0' && getenv(VAR_HOSTNAME)) {
fp = fopen("/etc/hosts", "a");
fprintf(fp, "%s\t\t%s\n", cp, getenv(VAR_HOSTNAME));
fclose(fp);
if (isDebug())
msgDebug("Appended entry for %s to /etc/hosts\n", cp);
}
}
int
configRoutedFlags(char *str)
{
char *val;
val = msgGetInput("-q", "Specify the flags for routed; -q is the default, -s is\na good choice for gateway machines.");
if (val)
variable_set2("routedflags", val);
return 0;
}
int
configPackages(char *str)
{
Boolean onCD;
/* If we're running as init, we know that a CD in the drive is probably ours */
onCD = file_readable("/cdrom/packages");
if (!onCD && RunningAsInit) {
if (mediaSetCDROM(NULL)) {
if ((*mediaDevice->init)(mediaDevice))
onCD = TRUE;
}
}
/* XXX Construct some sort of menu here using an INDEX file from /cdrom/packages XXX */
return 0;
}
int
configPorts(char *str)
{
return 0;
}