qubes-installer-qubes-os/loader/mediacheck.c
2011-01-18 04:24:57 -05:00

111 lines
3.4 KiB
C

/*
* simple program to check implanted md5sum in an iso 9660 image
*
* Copyright (C) 2001, 2005 Red Hat, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Author(s): Michael Fulbright <msf@redhat.com>
* Dustin Kirkland <dustin.kirkland@gmail.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <newt.h>
#include <libcheckisomd5.h>
#include "lang.h"
#include "log.h"
#include "windows.h"
int doMediaCheck(char *file, char *descr) {
struct progressCBdata data;
newtComponent t, f, scale, label;
int rc;
int dlen;
int llen;
char tmpstr[1024];
if (access(file, R_OK) < 0) {
newtWinMessage(_("Error"), _("OK"), _("Unable to find install image "
"%s"), file);
return -1;
}
if (descr)
snprintf(tmpstr, sizeof(tmpstr), _("Checking \"%s\"."), descr);
else
snprintf(tmpstr, sizeof(tmpstr), _("Checking media."));
dlen = strlen(tmpstr);
if (dlen > 65)
dlen = 65;
newtCenteredWindow(dlen+8, 6, _("Media Check"));
t = newtTextbox(1, 1, dlen+4, 3, NEWT_TEXTBOX_WRAP);
newtTextboxSetText(t, tmpstr);
llen = strlen(tmpstr);
label = newtLabel(llen+1, 1, "-");
f = newtForm(NULL, NULL, 0);
newtFormAddComponent(f, t);
scale = newtScale(3, 3, dlen, 100);
newtFormAddComponent(f, scale);
newtDrawForm(f);
newtRefresh();
data.scale = scale;
data.label = label;
rc = mediaCheckFile(file, progressCallback, &data);
newtFormDestroy(f);
newtPopWindow();
if (rc == -1) {
logMessage(WARNING, "mediacheck: %s (%s) has no checksum info", file, descr);
newtWinMessage(_("Error"), _("OK"),
_("Unable to read the disc checksum from the "
"primary volume descriptor. This probably "
"means the disc was created without adding the "
"checksum."));
} else if (rc == 0) {
logMessage(ERROR, "mediacheck: %s (%s) FAILED", file, descr);
newtWinMessage(_("Error"), _("OK"),
_("The image which was just tested has errors. "
"This could be due to a "
"corrupt download or a bad disc. "
"If applicable, please clean the disc "
"and try again. If this test continues to fail you "
"should not continue the install."));
} else if (rc > 0) {
logMessage(INFO, "mediacheck: %s (%s) PASSED", file, descr);
newtWinMessage(_("Success"), _("OK"),
_("The image which was just tested was successfully "
"verified. It should be OK to install from this "
"media. Note that not all media/drive errors can "
"be detected by the media check."));
}
return rc;
}