mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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348 lines
6.5 KiB
C
348 lines
6.5 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $Id: utils.c,v 1.34 1994/12/27 23:26:59 jkh Exp $
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <string.h>
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#include <dialog.h>
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#include <errno.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/reboot.h>
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#include <sys/dkbad.h>
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#include <sys/disklabel.h>
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#include "sysinstall.h"
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void
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strip_trailing_newlines(char *p)
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{
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int len = strlen(p);
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while (len > 0 && p[len-1] == '\n')
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p[--len] = '\0';
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}
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void
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Debug(char *fmt, ...)
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{
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char *p;
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va_list ap;
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p = Malloc(2048);
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va_start(ap,fmt);
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vsnprintf(p, 2048, fmt, ap);
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va_end(ap);
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write(debug_fd,"Debug <",7);
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write(debug_fd,p,strlen(p));
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write(debug_fd,">\n\r",3);
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free(p);
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}
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void
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TellEm(char *fmt, ...)
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{
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char *p;
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va_list ap;
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p = Malloc(2048);
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va_start(ap,fmt);
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vsnprintf(p, 2048, fmt, ap);
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va_end(ap);
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strip_trailing_newlines(p);
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write(debug_fd,"Progress <",10);
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write(debug_fd,p,strlen(p));
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write(debug_fd,">\n\r",3);
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dialog_clear_norefresh();
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dialog_msgbox("Progress", p, -1, -1, 0);
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free(p);
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}
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void
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Fatal(char *fmt, ...)
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{
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char *p;
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va_list ap;
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p = Malloc(2048);
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va_start(ap,fmt);
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vsnprintf(p, 2048, fmt, ap);
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va_end(ap);
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strip_trailing_newlines(p);
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if (dialog_active)
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dialog_msgbox("Fatal", p, -1, -1, 1);
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else
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fprintf(stderr, "Fatal -- %s\n", p);
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free(p);
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ExitSysinstall();
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}
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void
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AskAbort(char *fmt, ...)
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{
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char *p;
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va_list ap;
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p = Malloc(2048);
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va_start(ap,fmt);
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vsnprintf(p, 2048, fmt, ap);
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va_end(ap);
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strcat(p, "\n\nDo you wish to abort the installation?");
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if (!dialog_yesno("Abort", p, -1, -1)) {
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dialog_clear_norefresh();
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Abort();
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}
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dialog_clear();
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free(p);
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}
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void
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Abort()
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{
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if (dialog_yesno("Exit sysinstall","\n\nAre you sure you want to quit?",
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-1, -1)) {
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dialog_clear();
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return;
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}
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ExitSysinstall();
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}
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void
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ExitSysinstall()
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{
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if (dialog_active) {
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clear();
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dialog_update();
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}
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if (getpid() == 1) {
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if (reboot(RB_AUTOBOOT) == -1)
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if (dialog_active) {
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clear();
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dialog_msgbox(TITLE, "\n\nCan't reboot machine -- hit reset button",
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-1,-1,0);
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} else
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fprintf(stderr, "Can't reboot the machine -- hit the reset button");
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while(1);
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} else {
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if (dialog_active) {
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end_dialog();
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dialog_active = 0;
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}
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exit(0);
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}
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}
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void *
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Malloc(size_t size)
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{
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void *p = malloc(size);
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if (!p) {
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exit(7); /* XXX longjmp bad */
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}
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return p;
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}
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char *
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StrAlloc(char *str)
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{
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char *p;
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p = (char *)Malloc(strlen(str) + 1);
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strcpy(p,str);
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return p;
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}
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void
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MountUfs(char *device, char *mountpoint, int do_mkdir, int flags)
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{
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struct ufs_args ufsargs;
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char dbuf[90];
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memset(&ufsargs,0,sizeof ufsargs);
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if(do_mkdir && access(mountpoint,R_OK)) {
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Mkdir(mountpoint, TRUE);
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}
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strcpy(dbuf,"/dev/");
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strcat(dbuf,device);
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TellEm("mount %s %s",dbuf,mountpoint);
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ufsargs.fspec = dbuf;
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if (mount(MOUNT_UFS, mountpoint, flags, (caddr_t) &ufsargs) == -1) {
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Fatal("Error mounting %s on %s : %s\n",
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dbuf, mountpoint, strerror(errno));
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}
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}
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void
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Mkdir(char *ipath, int die)
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{
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struct stat sb;
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int final=0;
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char *p,*path=StrAlloc(ipath);
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Debug("mkdir(%s)",path);
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p = path;
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if (p[0] == '/') /* Skip leading '/'. */
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++p;
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for (;!final; ++p) {
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if (p[0] == '\0' || (p[0] == '/' && p[1] == '\0'))
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final++;
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else if (p[0] != '/')
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continue;
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*p = '\0';
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if (stat(path, &sb)) {
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if (errno != ENOENT && die)
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Fatal("Couldn't stat directory %s: %s\n",
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path,strerror(errno));
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Debug("mkdir(%s..)",path);
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if (mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO) < 0 &&
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die)
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Fatal("Couldn't create directory %s: %s\n",
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path,strerror(errno));
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}
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*p = '/';
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}
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free(path);
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return;
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}
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void
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Link(char *from, char *to)
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{
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TellEm("ln %s %s", from, to);
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if(fixit)
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unlink(to);
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if (link(from, to) == -1)
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Fatal("Couldn't create link: %s -> %s\n", from, to);
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}
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void
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CopyFile(char *p1, char *p2)
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{
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char buf[BUFSIZ];
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int fd1,fd2;
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int i;
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struct stat st;
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TellEm("Copy %s to %s",p1,p2);
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fd1 = open(p1,O_RDONLY);
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if (fd1 < 0) Fatal("Couldn't open %s: %s\n",p1,strerror(errno));
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fd2 = open(p2,O_TRUNC|O_CREAT|O_WRONLY,0200);
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if (fd2 < 0) Fatal("Couldn't open %s: %s\n",p2,strerror(errno));
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for(;;) {
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i = read(fd1,buf,sizeof buf);
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if (i > 0)
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if (i != write(fd2,buf,i)) {
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Fatal("Write errror on %s: %s\n",
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p2,strerror(errno));
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}
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if (i != sizeof buf)
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break;
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}
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fstat(fd1,&st);
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fchmod(fd2,st.st_mode & 07777);
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fchown(fd2,st.st_uid,st.st_gid);
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close(fd1);
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close(fd2);
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}
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u_long
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PartMb(struct disklabel *lbl,int part)
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{
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u_long l;
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l = 1024*1024/lbl->d_secsize;
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return (lbl->d_partitions[part].p_size + l/2)/l;
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}
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void
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CleanMount(int disk, int part)
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{
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int i = MP[disk][part];
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Faction[i] = 0;
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if (Fmount[i]) {
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free(Fmount[i]);
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Fmount[i] = 0;
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}
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if (Fname[i]) {
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free(Fname[i]);
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Fname[i] = 0;
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}
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if (Ftype[i]) {
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free(Ftype[i]);
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Ftype[i] = 0;
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}
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MP[disk][part] = 0;
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}
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char *
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SetMount(int disk, int part, char *path)
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{
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int k;
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char buf[80];
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CleanMount(disk,part);
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for (k = 1; k < MAX_NO_FS; k++)
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if (!Fmount[k])
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break;
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if (k >= MAX_NO_FS)
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return "Maximum number of filesystems exceeded";
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Fmount[k] = StrAlloc(path);
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sprintf(buf, "%s%c", Dname[disk], part + 'a');
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Fname[k] = StrAlloc(buf);
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switch (Dlbl[disk]->d_partitions[part].p_fstype) {
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case FS_BSDFFS:
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Ftype[k] = StrAlloc("ufs");
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if(!fixit)
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Faction[k] = 1;
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break;
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case FS_MSDOS:
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Ftype[k] = StrAlloc("msdos");
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Faction[k] = 0;
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break;
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case FS_SWAP:
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Ftype[k] = StrAlloc("swap");
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Faction[k] = 1;
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break;
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default:
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CleanMount(disk,part);
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return "Unknown filesystem-type";
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}
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Fsize[k] = (Dlbl[disk]->d_partitions[part].p_size+1024)/2048;
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MP[disk][part] = k;
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return NULL;
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}
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void
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enable_label(int fd)
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{
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int flag = 1;
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if (ioctl(fd, DIOCWLABEL, &flag) < 0)
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Fatal("ioctl(DIOCWLABEL,1) failed: %s",strerror(errno));
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}
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void
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disable_label(int fd)
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{
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int flag = 0;
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if (ioctl(fd, DIOCWLABEL, &flag) < 0)
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Fatal("ioctl(DIOCWLABEL,0) failed: %s",strerror(errno));
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}
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