2008-08-28 07:07:54 +04:00
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/*
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2007-04-05 05:26:37 +04:00
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Unix SMB/CIFS implementation.
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Samba database functions
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Copyright (C) Andrew Tridgell 1999-2000
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Copyright (C) Paul `Rusty' Russell 2000
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Copyright (C) Jeremy Allison 2000
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Copyright (C) Andrew Esh 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <time.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <ctype.h>
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#include <signal.h>
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#include <stdarg.h>
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#include "tdb.h"
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static int do_command(void);
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const char *cmdname;
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char *arg1, *arg2;
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size_t arg1len, arg2len;
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int bIterate = 0;
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char *line;
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TDB_DATA iterate_kbuf;
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char cmdline[1024];
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enum commands {
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CMD_CREATE_TDB,
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CMD_OPEN_TDB,
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CMD_ERASE,
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CMD_DUMP,
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CMD_INSERT,
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CMD_MOVE,
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CMD_STORE,
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CMD_SHOW,
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CMD_KEYS,
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CMD_HEXKEYS,
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CMD_DELETE,
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CMD_LIST_HASH_FREE,
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CMD_LIST_FREE,
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CMD_INFO,
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CMD_FIRST,
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CMD_NEXT,
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CMD_SYSTEM,
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CMD_QUIT,
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CMD_HELP
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};
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typedef struct {
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const char *name;
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enum commands cmd;
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} COMMAND_TABLE;
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COMMAND_TABLE cmd_table[] = {
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{"create", CMD_CREATE_TDB},
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{"open", CMD_OPEN_TDB},
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{"erase", CMD_ERASE},
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{"dump", CMD_DUMP},
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{"insert", CMD_INSERT},
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{"move", CMD_MOVE},
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{"store", CMD_STORE},
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{"show", CMD_SHOW},
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{"keys", CMD_KEYS},
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{"hexkeys", CMD_HEXKEYS},
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{"delete", CMD_DELETE},
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{"list", CMD_LIST_HASH_FREE},
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{"free", CMD_LIST_FREE},
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{"info", CMD_INFO},
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{"first", CMD_FIRST},
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{"1", CMD_FIRST},
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{"next", CMD_NEXT},
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{"n", CMD_NEXT},
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{"quit", CMD_QUIT},
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{"q", CMD_QUIT},
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{"!", CMD_SYSTEM},
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{NULL, CMD_HELP}
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};
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/* a tdb tool for manipulating a tdb database */
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static TDB_CONTEXT *tdb;
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static int print_rec(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
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static int print_key(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
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static int print_hexkey(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
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static void print_asc(const char *buf,int len)
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{
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int i;
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/* We're probably printing ASCII strings so don't try to display
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the trailing NULL character. */
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if (buf[len - 1] == 0)
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len--;
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for (i=0;i<len;i++)
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printf("%c",isprint(buf[i])?buf[i]:'.');
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}
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static void print_data(const char *buf,int len)
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{
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int i=0;
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if (len<=0) return;
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printf("[%03X] ",i);
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for (i=0;i<len;) {
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printf("%02X ",(int)buf[i]);
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i++;
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if (i%8 == 0) printf(" ");
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2008-08-28 07:07:54 +04:00
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if (i%16 == 0) {
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2007-04-05 05:26:37 +04:00
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print_asc(&buf[i-16],8); printf(" ");
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print_asc(&buf[i-8],8); printf("\n");
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if (i<len) printf("[%03X] ",i);
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}
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}
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if (i%16) {
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int n;
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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n = 16 - (i%16);
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printf(" ");
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if (n>8) printf(" ");
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while (n--) printf(" ");
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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n = i%16;
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if (n > 8) n = 8;
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print_asc(&buf[i-(i%16)],n); printf(" ");
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n = (i%16) - n;
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2008-08-28 07:07:54 +04:00
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if (n>0) print_asc(&buf[i-n],n);
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printf("\n");
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2007-04-05 05:26:37 +04:00
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}
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}
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static void help(void)
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{
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printf("\n"
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"tdbtool: \n"
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" create dbname : create a database\n"
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" open dbname : open an existing database\n"
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" erase : erase the database\n"
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" dump : dump the database as strings\n"
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" keys : dump the database keys as strings\n"
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" hexkeys : dump the database keys as hex values\n"
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" info : print summary info about the database\n"
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" insert key data : insert a record\n"
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" move key file : move a record to a destination tdb\n"
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" store key data : store a record (replace)\n"
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" show key : show a record by key\n"
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" delete key : delete a record by key\n"
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" list : print the database hash table and freelist\n"
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" free : print the database freelist\n"
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2008-08-28 07:07:54 +04:00
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" ! command : execute system command\n"
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2007-04-05 05:26:37 +04:00
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" 1 | first : print the first record\n"
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" n | next : print the next record\n"
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" q | quit : terminate\n"
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" \\n : repeat 'next' command\n"
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"\n");
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}
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static void terror(const char *why)
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{
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printf("%s\n", why);
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}
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static void create_tdb(const char *tdbname)
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{
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if (tdb) tdb_close(tdb);
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tdb = tdb_open(tdbname, 0, TDB_CLEAR_IF_FIRST,
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O_RDWR | O_CREAT | O_TRUNC, 0600);
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if (!tdb) {
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printf("Could not create %s: %s\n", tdbname, strerror(errno));
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}
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}
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static void open_tdb(const char *tdbname)
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{
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if (tdb) tdb_close(tdb);
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tdb = tdb_open(tdbname, 0, 0, O_RDWR, 0600);
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if (!tdb) {
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printf("Could not open %s: %s\n", tdbname, strerror(errno));
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}
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}
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static void insert_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
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{
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TDB_DATA key, dbuf;
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if ((keyname == NULL) || (keylen == 0)) {
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terror("need key");
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return;
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}
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key.dptr = (unsigned char *)keyname;
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key.dsize = keylen;
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dbuf.dptr = (unsigned char *)data;
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dbuf.dsize = datalen;
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if (tdb_store(tdb, key, dbuf, TDB_INSERT) == -1) {
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terror("insert failed");
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}
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}
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static void store_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
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{
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TDB_DATA key, dbuf;
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if ((keyname == NULL) || (keylen == 0)) {
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terror("need key");
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return;
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}
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if ((data == NULL) || (datalen == 0)) {
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terror("need data");
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return;
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}
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key.dptr = (unsigned char *)keyname;
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key.dsize = keylen;
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dbuf.dptr = (unsigned char *)data;
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dbuf.dsize = datalen;
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printf("Storing key:\n");
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print_rec(tdb, key, dbuf, NULL);
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if (tdb_store(tdb, key, dbuf, TDB_REPLACE) == -1) {
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terror("store failed");
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}
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}
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static void show_tdb(char *keyname, size_t keylen)
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{
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TDB_DATA key, dbuf;
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if ((keyname == NULL) || (keylen == 0)) {
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terror("need key");
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return;
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}
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key.dptr = (unsigned char *)keyname;
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key.dsize = keylen;
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dbuf = tdb_fetch(tdb, key);
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if (!dbuf.dptr) {
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terror("fetch failed");
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return;
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}
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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print_rec(tdb, key, dbuf, NULL);
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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free( dbuf.dptr );
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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return;
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}
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static void delete_tdb(char *keyname, size_t keylen)
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{
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TDB_DATA key;
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if ((keyname == NULL) || (keylen == 0)) {
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terror("need key");
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return;
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}
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key.dptr = (unsigned char *)keyname;
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key.dsize = keylen;
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if (tdb_delete(tdb, key) != 0) {
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terror("delete failed");
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}
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}
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static void move_rec(char *keyname, size_t keylen, char* tdbname)
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{
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TDB_DATA key, dbuf;
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TDB_CONTEXT *dst_tdb;
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if ((keyname == NULL) || (keylen == 0)) {
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terror("need key");
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return;
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}
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if ( !tdbname ) {
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terror("need destination tdb name");
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return;
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}
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key.dptr = (unsigned char *)keyname;
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key.dsize = keylen;
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dbuf = tdb_fetch(tdb, key);
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if (!dbuf.dptr) {
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terror("fetch failed");
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return;
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}
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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print_rec(tdb, key, dbuf, NULL);
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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dst_tdb = tdb_open(tdbname, 0, 0, O_RDWR, 0600);
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if ( !dst_tdb ) {
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terror("unable to open destination tdb");
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return;
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}
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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if ( tdb_store( dst_tdb, key, dbuf, TDB_REPLACE ) == -1 ) {
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terror("failed to move record");
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}
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else
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printf("record moved\n");
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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tdb_close( dst_tdb );
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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return;
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}
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static int print_rec(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
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{
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printf("\nkey %d bytes\n", (int)key.dsize);
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print_asc((const char *)key.dptr, key.dsize);
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printf("\ndata %d bytes\n", (int)dbuf.dsize);
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print_data((const char *)dbuf.dptr, dbuf.dsize);
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return 0;
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}
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static int print_key(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
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{
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printf("key %d bytes: ", (int)key.dsize);
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print_asc((const char *)key.dptr, key.dsize);
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printf("\n");
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return 0;
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}
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static int print_hexkey(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
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{
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printf("key %d bytes\n", (int)key.dsize);
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print_data((const char *)key.dptr, key.dsize);
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printf("\n");
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return 0;
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}
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static int total_bytes;
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static int traverse_fn(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
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{
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total_bytes += dbuf.dsize;
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return 0;
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}
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static void info_tdb(void)
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{
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int count;
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total_bytes = 0;
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if ((count = tdb_traverse(tdb, traverse_fn, NULL)) == -1)
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printf("Error = %s\n", tdb_errorstr(tdb));
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else
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printf("%d records totalling %d bytes\n", count, total_bytes);
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}
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static char *tdb_getline(const char *prompt)
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{
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static char thisline[1024];
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char *p;
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fputs(prompt, stdout);
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thisline[0] = 0;
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p = fgets(thisline, sizeof(thisline)-1, stdin);
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if (p) p = strchr(p, '\n');
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if (p) *p = 0;
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return p?thisline:NULL;
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}
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static int do_delete_fn(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf,
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void *state)
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{
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return tdb_delete(the_tdb, key);
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}
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static void first_record(TDB_CONTEXT *the_tdb, TDB_DATA *pkey)
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{
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TDB_DATA dbuf;
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*pkey = tdb_firstkey(the_tdb);
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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dbuf = tdb_fetch(the_tdb, *pkey);
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if (!dbuf.dptr) terror("fetch failed");
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else {
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print_rec(the_tdb, *pkey, dbuf, NULL);
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}
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}
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static void next_record(TDB_CONTEXT *the_tdb, TDB_DATA *pkey)
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{
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TDB_DATA dbuf;
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*pkey = tdb_nextkey(the_tdb, *pkey);
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2008-08-28 07:07:54 +04:00
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2007-04-05 05:26:37 +04:00
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dbuf = tdb_fetch(the_tdb, *pkey);
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2008-08-28 07:07:54 +04:00
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if (!dbuf.dptr)
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2007-04-05 05:26:37 +04:00
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terror("fetch failed");
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else
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print_rec(the_tdb, *pkey, dbuf, NULL);
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}
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static int do_command(void)
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{
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COMMAND_TABLE *ctp = cmd_table;
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enum commands mycmd = CMD_HELP;
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int cmd_len;
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if (cmdname && strlen(cmdname) == 0) {
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mycmd = CMD_NEXT;
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} else {
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while (ctp->name) {
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cmd_len = strlen(ctp->name);
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if (strncmp(ctp->name,cmdname,cmd_len) == 0) {
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mycmd = ctp->cmd;
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break;
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}
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ctp++;
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}
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}
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switch (mycmd) {
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case CMD_CREATE_TDB:
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bIterate = 0;
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create_tdb(arg1);
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return 0;
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case CMD_OPEN_TDB:
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bIterate = 0;
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open_tdb(arg1);
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return 0;
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case CMD_SYSTEM:
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/* Shell command */
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system(arg1);
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return 0;
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case CMD_QUIT:
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return 1;
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default:
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/* all the rest require a open database */
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if (!tdb) {
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bIterate = 0;
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terror("database not open");
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help();
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return 0;
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}
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switch (mycmd) {
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case CMD_ERASE:
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bIterate = 0;
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tdb_traverse(tdb, do_delete_fn, NULL);
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return 0;
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case CMD_DUMP:
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bIterate = 0;
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tdb_traverse(tdb, print_rec, NULL);
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return 0;
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case CMD_INSERT:
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bIterate = 0;
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insert_tdb(arg1, arg1len,arg2,arg2len);
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return 0;
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case CMD_MOVE:
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bIterate = 0;
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move_rec(arg1,arg1len,arg2);
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return 0;
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case CMD_STORE:
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bIterate = 0;
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store_tdb(arg1,arg1len,arg2,arg2len);
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return 0;
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case CMD_SHOW:
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bIterate = 0;
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show_tdb(arg1, arg1len);
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return 0;
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case CMD_KEYS:
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tdb_traverse(tdb, print_key, NULL);
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return 0;
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case CMD_HEXKEYS:
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tdb_traverse(tdb, print_hexkey, NULL);
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return 0;
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case CMD_DELETE:
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bIterate = 0;
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delete_tdb(arg1,arg1len);
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return 0;
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case CMD_LIST_HASH_FREE:
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tdb_dump_all(tdb);
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return 0;
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case CMD_LIST_FREE:
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tdb_printfreelist(tdb);
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return 0;
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case CMD_INFO:
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info_tdb();
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return 0;
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case CMD_FIRST:
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bIterate = 1;
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first_record(tdb, &iterate_kbuf);
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return 0;
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case CMD_NEXT:
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if (bIterate)
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next_record(tdb, &iterate_kbuf);
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return 0;
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case CMD_HELP:
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help();
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return 0;
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case CMD_CREATE_TDB:
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case CMD_OPEN_TDB:
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case CMD_SYSTEM:
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case CMD_QUIT:
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/*
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* unhandled commands. cases included here to avoid compiler
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* warnings.
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*/
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return 0;
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}
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}
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return 0;
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}
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static char *convert_string(char *instring, size_t *sizep)
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{
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size_t length = 0;
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char *outp, *inp;
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char temp[3];
|
2008-08-28 07:07:54 +04:00
|
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|
2007-04-05 05:26:37 +04:00
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outp = inp = instring;
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while (*inp) {
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if (*inp == '\\') {
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inp++;
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if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
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temp[0] = *inp++;
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temp[1] = '\0';
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if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
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temp[1] = *inp++;
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temp[2] = '\0';
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}
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*outp++ = (char)strtol((const char *)temp,NULL,16);
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} else {
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*outp++ = *inp++;
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}
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} else {
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*outp++ = *inp++;
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}
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length++;
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}
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*sizep = length;
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return instring;
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}
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int main(int argc, char *argv[])
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{
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cmdname = "";
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arg1 = NULL;
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arg1len = 0;
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arg2 = NULL;
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arg2len = 0;
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if (argv[1]) {
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cmdname = "open";
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arg1 = argv[1];
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do_command();
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cmdname = "";
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arg1 = NULL;
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}
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switch (argc) {
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case 1:
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case 2:
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/* Interactive mode */
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while ((cmdname = tdb_getline("tdb> "))) {
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arg2 = arg1 = NULL;
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if ((arg1 = strchr((const char *)cmdname,' ')) != NULL) {
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arg1++;
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arg2 = arg1;
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while (*arg2) {
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if (*arg2 == ' ') {
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*arg2++ = '\0';
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|
break;
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}
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|
|
if ((*arg2++ == '\\') && (*arg2 == ' ')) {
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arg2++;
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|
}
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}
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}
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|
if (arg1) arg1 = convert_string(arg1,&arg1len);
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|
|
if (arg2) arg2 = convert_string(arg2,&arg2len);
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|
|
if (do_command()) break;
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}
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break;
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case 5:
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|
|
arg2 = convert_string(argv[4],&arg2len);
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|
|
case 4:
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|
|
arg1 = convert_string(argv[3],&arg1len);
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|
|
case 3:
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|
|
cmdname = argv[2];
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|
|
default:
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|
|
do_command();
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|
|
break;
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|
|
}
|
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|
if (tdb) tdb_close(tdb);
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|
return 0;
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|
|
}
|