wmi-1.3.16 from opsview.com
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/*
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Unix SMB/CIFS implementation.
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trivial database library
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Copyright (C) Andrew Tridgell 1999-2005
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Copyright (C) Paul `Rusty' Russell 2000
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Copyright (C) Jeremy Allison 2000-2003
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** NOTE! The following LGPL license applies to the tdb
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** library. This does NOT imply that all of Samba is released
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** under the LGPL
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tdb_private.h"
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static tdb_off_t tdb_dump_record(struct tdb_context *tdb, tdb_off_t offset)
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{
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struct list_struct rec;
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tdb_off_t tailer_ofs, tailer;
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if (tdb->methods->tdb_read(tdb, offset, (char *)&rec,
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sizeof(rec), DOCONV()) == -1) {
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printf("ERROR: failed to read record at %u\n", offset);
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return 0;
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}
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printf(" rec: offset=0x%08x next=0x%08x rec_len=%d key_len=%d data_len=%d full_hash=0x%x magic=0x%x\n",
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offset, rec.next, rec.rec_len, rec.key_len, rec.data_len, rec.full_hash, rec.magic);
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tailer_ofs = offset + sizeof(rec) + rec.rec_len - sizeof(tdb_off_t);
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if (tdb_ofs_read(tdb, tailer_ofs, &tailer) == -1) {
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printf("ERROR: failed to read tailer at %u\n", tailer_ofs);
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return rec.next;
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}
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if (tailer != rec.rec_len + sizeof(rec)) {
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printf("ERROR: tailer does not match record! tailer=%u totalsize=%u\n",
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(unsigned int)tailer, (unsigned int)(rec.rec_len + sizeof(rec)));
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}
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return rec.next;
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}
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static int tdb_dump_chain(struct tdb_context *tdb, int i)
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{
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tdb_off_t rec_ptr, top;
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top = TDB_HASH_TOP(i);
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if (tdb_lock(tdb, i, F_WRLCK) != 0)
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return -1;
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if (tdb_ofs_read(tdb, top, &rec_ptr) == -1)
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return tdb_unlock(tdb, i, F_WRLCK);
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if (rec_ptr)
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printf("hash=%d\n", i);
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while (rec_ptr) {
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rec_ptr = tdb_dump_record(tdb, rec_ptr);
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}
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return tdb_unlock(tdb, i, F_WRLCK);
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}
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void tdb_dump_all(struct tdb_context *tdb)
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{
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int i;
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for (i=0;i<tdb->header.hash_size;i++) {
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tdb_dump_chain(tdb, i);
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}
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printf("freelist:\n");
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tdb_dump_chain(tdb, -1);
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}
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int tdb_printfreelist(struct tdb_context *tdb)
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{
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int ret;
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long total_free = 0;
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tdb_off_t offset, rec_ptr;
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struct list_struct rec;
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if ((ret = tdb_lock(tdb, -1, F_WRLCK)) != 0)
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return ret;
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offset = FREELIST_TOP;
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/* read in the freelist top */
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if (tdb_ofs_read(tdb, offset, &rec_ptr) == -1) {
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tdb_unlock(tdb, -1, F_WRLCK);
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return 0;
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}
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printf("freelist top=[0x%08x]\n", rec_ptr );
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while (rec_ptr) {
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if (tdb->methods->tdb_read(tdb, rec_ptr, (char *)&rec,
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sizeof(rec), DOCONV()) == -1) {
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tdb_unlock(tdb, -1, F_WRLCK);
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return -1;
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}
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if (rec.magic != TDB_FREE_MAGIC) {
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printf("bad magic 0x%08x in free list\n", rec.magic);
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tdb_unlock(tdb, -1, F_WRLCK);
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return -1;
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}
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printf("entry offset=[0x%08x], rec.rec_len = [0x%08x (%d)] (end = 0x%08x)\n",
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rec_ptr, rec.rec_len, rec.rec_len, rec_ptr + rec.rec_len);
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total_free += rec.rec_len;
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/* move to the next record */
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rec_ptr = rec.next;
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}
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printf("total rec_len = [0x%08x (%d)]\n", (int)total_free,
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(int)total_free);
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return tdb_unlock(tdb, -1, F_WRLCK);
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}
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