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/*
* Copyright 2008,2010,2011 Red Hat, Inc.
*
* 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; version 2 of the License.
*
* 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
*
*/
/* Dump content from a gdbm database in a format resembling that which is used
* by db_dump, so that it can be read by db_load. */
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gdbm.h>
static int pflag = 0;
static int yflag = 0;
static void
dump_start(int total, const char *name)
{
printf("VERSION=3\n");
if (total > 1) {
printf("database=%s\n", name);
}
if (pflag) {
printf("format=print\n");
}
printf("type=hash\n");
printf("HEADER=END\n");
}
static void
puthex(unsigned char c)
{
const char chars[] = "0123456789abcdef";
putchar(chars[c >> 4]);
putchar(chars[c & 0xf]);
}
static void
dump_entry(datum key, datum value)
{
int i;
if (yflag) {
if ((key.dsize >= 3) && (memcmp(key.dptr, "YP_", 3) == 0)) {
return;
}
}
if (pflag) {
putchar(' ');
for (i = 0; i < key.dsize; i++) {
if (isprint(key.dptr[i]) &&
!isspace(key.dptr[i]) &&
(key.dptr[i] != '\\')) {
putchar(key.dptr[i]);
} else {
putchar('\\');
puthex(key.dptr[i]);
}
}
putchar('\n');
putchar(' ');
for (i = 0; i < value.dsize; i++) {
if (isprint(value.dptr[i]) &&
(value.dptr[i] != ' ') &&
(value.dptr[i] != '\t') &&
(value.dptr[i] != '\\')) {
putchar(value.dptr[i]);
} else {
putchar('\\');
puthex(value.dptr[i]);
}
}
putchar('\n');
} else {
putchar(' ');
for (i = 0; i < key.dsize; i++) {
puthex(key.dptr[i]);
}
putchar('\n');
putchar(' ');
for (i = 0; i < value.dsize; i++) {
puthex(value.dptr[i]);
}
putchar('\n');
}
}
static void
dump_end()
{
printf("DATA=END\n");
}
int
main(int argc, char **argv)
{
GDBM_FILE dbf;
datum key, next, value;
int i;
while ((i = getopt(argc, argv, "py")) != -1) {
switch (i) {
case 'p':
pflag = 1;
break;
case 'y':
yflag = 1;
break;
default:
fprintf(stderr, "Usage: %s [-p] [-y] file [...]\n",
strchr(argv[0], '/') ?
strrchr(argv[0], '/') + 1 : argv[0]);
return 1;
break;
}
}
for (i = optind; i < argc; i++) {
dbf = gdbm_open(argv[i], 0, GDBM_READER, 0600, NULL);
if (dbf == NULL) {
fprintf(stderr, "Error opening `%s': %s\n", argv[i],
gdbm_errno ? gdbm_strerror(gdbm_errno) :
strerror(errno));
return 1;
}
dump_start(argc - optind, argv[i]);
key = gdbm_firstkey(dbf);
while (key.dptr != NULL) {
value = gdbm_fetch(dbf, key);
if (value.dptr != NULL) {
dump_entry(key, value);
free(value.dptr);
}
next = gdbm_nextkey(dbf, key);
free(key.dptr);
key = next;
}
dump_end();
gdbm_close(dbf);
}
return 0;
}
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