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/*
* checkosmd5 - simple program to check implanted md5sum
* Copyright (C) 2001-2007 Red Hat, Inc.
* Michael Fulbright <msf@redhat.com>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <popt.h>
#include "md5.h"
#include "libcheckisomd5.h"
struct progressCBData {
int verbose;
int gauge;
int gaugeat;
};
static void outputCB(void *co, long long offset, long long total) {
struct progressCBData *data = co;
int gaugeval = -1;
if (data->verbose) {
printf("\rChecking: %05.1f%%", (100.0*offset)/(total));
fflush(stdout);
}
if (data->gauge) {
gaugeval = (100.0*offset)/(total);
if (gaugeval != data->gaugeat) {
printf("%d\n", gaugeval);
fflush(stdout);
data->gaugeat = gaugeval;
}
}
}
static void usage(void) {
fprintf(stderr, "Usage: checkisomd5 [--md5sumonly] [--verbose] [--gauge] <isofilename>|<blockdevice>\n\n");
exit(1);
}
int main(int argc, char **argv) {
int rc;
const char **args;
int md5only;
int help;
struct progressCBData data;
char * result;
poptContext optCon;
memset(&data, 0, sizeof(struct progressCBData));
md5only = 0;
help = 0;
data.verbose = 0;
data.gauge = 0;
struct poptOption options[] = {
{ "md5sumonly", 'o', POPT_ARG_NONE, &md5only, 0 },
{ "verbose", 'v', POPT_ARG_NONE, &data.verbose, 0 },
{ "gauge", 'g', POPT_ARG_NONE, &data.gauge, 0},
{ "help", 'h', POPT_ARG_NONE, &help, 0},
{ 0, 0, 0, 0, 0}
};
optCon = poptGetContext("checkisomd5", argc, (const char **)argv, options, 0);
if ((rc = poptGetNextOpt(optCon)) < -1) {
fprintf(stderr, "bad option %s: %s\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(rc));
exit(1);
}
if (help)
usage();
args = poptGetArgs(optCon);
if (!args || !args[0] || !args[0][0])
usage();
if (md5only|data.verbose)
printMD5SUM((char *)args[0]);
if (md5only)
exit(0);
rc = mediaCheckFile((char *)args[0], outputCB, &data);
if (data.verbose)
printf("\n");
if (rc == 0)
result = "FAIL.\n\nIt is not recommended to use this media.";
else if (rc > 0)
result = "PASS.\n\nIt is OK to use this media.";
else
result = "NA.\n\nNo checksum information available, unable to verify media.";
fprintf(stderr, "\nThe media check is complete, the result is: %s\n", result);
exit (rc == 0);
}
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