126 lines
3.9 KiB
C
126 lines
3.9 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 to essentially a complete rewrite.
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*
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* $Id: media_strategy.c,v 1.28 1995/05/26 20:30:59 jkh 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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* Copyright (c) 1995
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* Gary J Palmer. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jordan Hubbard
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* for the FreeBSD Project.
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* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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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/stat.h>
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#include <sys/errno.h>
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#include <sys/param.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <grp.h>
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#define MSDOSFS
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#include <sys/mount.h>
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#undef MSDOSFS
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static Boolean DOSMounted;
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Boolean
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mediaInitDOS(Device *dev)
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{
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struct msdosfs_args args;
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if (DOSMounted)
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return TRUE;
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if (Mkdir("/dos", NULL))
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return FALSE;
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args.fspec = dev->devname;
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args.uid = args.gid = 0;
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if (mount(MOUNT_MSDOS, "/dos", MNT_RDONLY, (caddr_t)&args) == -1) {
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msgConfirm("Error mounting %s on /dos: %s (%u)\n", dev, strerror(errno), errno);
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return FALSE;
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}
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DOSMounted = TRUE;
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return TRUE;
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}
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int
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mediaGetDOS(char *dist, char *path)
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{
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char buf[PATH_MAX];
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Attribs *dist_attr = NULL;
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int retval;
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dist_attr = safe_malloc(sizeof(Attribs) * MAX_ATTRIBS);
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snprintf(buf, PATH_MAX, "/stand/info/%s.inf", dist);
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if (!access(buf, R_OK) && attr_parse(&dist_attr, buf) == 0) {
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msgConfirm("Cannot load information file for %s distribution!\nPlease verify that your media is valid and try again.", dist);
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free(dist_attr);
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return FALSE;
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}
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snprintf(buf, PATH_MAX, "/dos/%s%s", path ? path : "", dist);
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retval = genericGetDist(buf, dist_attr, FALSE);
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free(dist_attr);
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return retval;
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}
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void
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mediaShutdownDOS(Device *dev)
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{
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extern int getDistpid;
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if (!DOSMounted)
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return;
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if (getDistpid) {
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int i, j;
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i = waitpid(getDistpid, &j, 0);
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if (i < 0 || WEXITSTATUS(j)) {
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msgConfirm("Warning: Last extraction returned status code %d.", WEXITSTATUS(j));
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getDistpid = 0;
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}
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getDistpid = 0;
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}
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msgDebug("Unmounting /dos\n");
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if (unmount("/dos", 0) != 0)
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msgConfirm("Could not unmount the DOS partition: %s\n", strerror(errno));
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msgDebug("Unmount returned\n");
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DOSMounted = FALSE;
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return;
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}
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