mirror of
https://git.code.sf.net/p/ntfs-3g/ntfs-3g.git
synced 2024-12-12 03:15:40 +08:00
31c31a244d
fix a couple of crashes slightly simplify bitmap logic wasn't using mst pwrite for INDX rm works again bmp commit was overwriting end of attr strip down bitmap set bitmaps: handle cluster boundaries correctly overhaul the bitmap code ntfs_binary_print
4818 lines
108 KiB
C
4818 lines
108 KiB
C
/**
|
||
* ntfsrm - Part of the Linux-NTFS project.
|
||
*
|
||
* Copyright (c) 2004-2005 Richard Russon
|
||
*
|
||
* This utility will delete files from an NTFS volume.
|
||
*
|
||
* 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 (in the main directory of the Linux-NTFS
|
||
* distribution in the file COPYING); if not, write to the Free Software
|
||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
*/
|
||
|
||
#include <stdio.h>
|
||
#include <getopt.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <time.h>
|
||
|
||
#include "utils.h"
|
||
#include "ntfsrm.h"
|
||
#include "debug.h"
|
||
#include "dir.h"
|
||
#include "lcnalloc.h"
|
||
#include "mft.h"
|
||
|
||
static const char *EXEC_NAME = "ntfsrm";
|
||
static struct options opts;
|
||
static const char *space_line = " ";
|
||
|
||
GEN_PRINTF (Eprintf, stderr, NULL, FALSE)
|
||
GEN_PRINTF (Vprintf, stdout, &opts.verbose, TRUE)
|
||
GEN_PRINTF (Qprintf, stdout, &opts.quiet, FALSE)
|
||
|
||
#define RM_WRITE 1
|
||
|
||
static int ntfs_inode_close2 (ntfs_inode *ni);
|
||
|
||
/**
|
||
* version - Print version information about the program
|
||
*
|
||
* Print a copyright statement and a brief description of the program.
|
||
*
|
||
* Return: none
|
||
*/
|
||
static void version (void)
|
||
{
|
||
printf ("\n%s v%s - Delete files from an NTFS volume.\n\n",
|
||
EXEC_NAME, VERSION);
|
||
printf ("Copyright (c) 2004 Richard Russon\n");
|
||
printf ("\n%s\n%s%s\n", ntfs_gpl, ntfs_bugs, ntfs_home);
|
||
}
|
||
|
||
/**
|
||
* usage - Print a list of the parameters to the program
|
||
*
|
||
* Print a list of the parameters and options for the program.
|
||
*
|
||
* Return: none
|
||
*/
|
||
static void usage (void)
|
||
{
|
||
printf ("\nUsage: %s [options] device file\n"
|
||
"\n"
|
||
" -r --recursive Delete files in subdirectories\n"
|
||
" -i --interactive Ask before deleting files\n"
|
||
//" -I num --inode num Delete the file with this inode number\n"
|
||
//" -U --unlink Unlink the file, deleting all references \n"
|
||
"\n"
|
||
" -D --no-dirty Do not mark volume dirty (require chkdsk)\n"
|
||
" -n --no-action Do not write to disk\n"
|
||
" -f --force Use less caution\n"
|
||
" -h --help Print this help\n"
|
||
" -q --quiet Less output\n"
|
||
" -V --version Version information\n"
|
||
" -v --verbose More output\n\n",
|
||
EXEC_NAME);
|
||
printf ("%s%s\n", ntfs_bugs, ntfs_home);
|
||
}
|
||
|
||
/**
|
||
* parse_options - Read and validate the programs command line
|
||
*
|
||
* Read the command line, verify the syntax and parse the options.
|
||
* This function is very long, but quite simple.
|
||
*
|
||
* Return: 1 Success
|
||
* 0 Error, one or more problems
|
||
*/
|
||
static int parse_options (int argc, char **argv)
|
||
{
|
||
static const char *sopt = "-Dfh?inqRrVv"; //"-Dfh?I:inqRrUVv";
|
||
static const struct option lopt[] = {
|
||
{ "force", no_argument, NULL, 'f' },
|
||
{ "help", no_argument, NULL, 'h' },
|
||
//{ "inode", required_argument, NULL, 'I' },
|
||
{ "interactive", no_argument, NULL, 'i' },
|
||
{ "no-action", no_argument, NULL, 'n' },
|
||
{ "no-dirty", no_argument, NULL, 'D' },
|
||
{ "quiet", no_argument, NULL, 'q' },
|
||
{ "recursive", no_argument, NULL, 'r' },
|
||
//{ "unlink", no_argument, NULL, 'U' },
|
||
{ "verbose", no_argument, NULL, 'v' },
|
||
{ "version", no_argument, NULL, 'V' },
|
||
{ NULL, 0, NULL, 0 }
|
||
};
|
||
|
||
char c = -1;
|
||
int err = 0;
|
||
int ver = 0;
|
||
int help = 0;
|
||
|
||
opterr = 0; /* We'll handle the errors, thank you. */
|
||
|
||
while ((c = getopt_long (argc, argv, sopt, lopt, NULL)) != -1) {
|
||
switch (c) {
|
||
case 1: /* A non-option argument */
|
||
if (!opts.device) {
|
||
opts.device = argv[optind-1];
|
||
} else if (!opts.file) {
|
||
opts.file = argv[optind-1];
|
||
} else {
|
||
opts.device = NULL;
|
||
opts.file = NULL;
|
||
err++;
|
||
}
|
||
break;
|
||
case 'D':
|
||
opts.nodirty++;
|
||
break;
|
||
case 'f':
|
||
opts.force++;
|
||
break;
|
||
case 'h':
|
||
case '?':
|
||
help++;
|
||
break;
|
||
case 'i':
|
||
opts.interactive++;
|
||
break;
|
||
case 'n':
|
||
opts.noaction++;
|
||
break;
|
||
case 'q':
|
||
opts.quiet++;
|
||
break;
|
||
case 'R':
|
||
case 'r':
|
||
opts.recursive++;
|
||
break;
|
||
case 'V':
|
||
ver++;
|
||
break;
|
||
case 'v':
|
||
opts.verbose++;
|
||
break;
|
||
default:
|
||
Eprintf ("Unknown option '%s'.\n", argv[optind-1]);
|
||
err++;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (help || ver) {
|
||
opts.quiet = 0;
|
||
} else {
|
||
if ((opts.device == NULL) ||
|
||
(opts.file == NULL)) {
|
||
if (argc > 1)
|
||
Eprintf ("You must specify one device and one file.\n");
|
||
err++;
|
||
}
|
||
|
||
if (opts.quiet && opts.verbose) {
|
||
Eprintf("You may not use --quiet and --verbose at the "
|
||
"same time.\n");
|
||
err++;
|
||
}
|
||
}
|
||
|
||
if (ver)
|
||
version();
|
||
if (help || err)
|
||
usage();
|
||
|
||
return (!err && !help && !ver);
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_name_print
|
||
*/
|
||
static void ntfs_name_print (ntfschar *name, int name_len)
|
||
{
|
||
char *buffer = NULL;
|
||
|
||
if (name_len) {
|
||
ntfs_ucstombs (name, name_len, &buffer, 0);
|
||
printf ("%s", buffer);
|
||
free (buffer);
|
||
} else {
|
||
printf ("!");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_print
|
||
*/
|
||
static void ntfs_dir_print (struct ntfs_dir *dir, int indent)
|
||
{
|
||
int i;
|
||
if (!dir)
|
||
return;
|
||
|
||
printf ("%.*s%p ", indent, space_line, dir);
|
||
ntfs_name_print (dir->name, dir->name_len);
|
||
printf ("\n");
|
||
|
||
for (i = 0; i < dir->child_count; i++) {
|
||
ntfs_dir_print (dir->children[i], indent + 4);
|
||
}
|
||
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_print
|
||
*/
|
||
static void ntfs_dt_print (struct ntfs_dt *dt, int indent)
|
||
{
|
||
int i;
|
||
|
||
if (!dt)
|
||
return;
|
||
|
||
printf ("%.*s%p (%d)\n", indent, space_line, dt, dt->child_count);
|
||
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ntfs_dt_print (dt->sub_nodes[i], indent + 4);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* ntfs_binary_print
|
||
*/
|
||
static void ntfs_binary_print (u8 num, BOOL backwards, BOOL colour)
|
||
{
|
||
int i;
|
||
|
||
if (backwards)
|
||
for (i = 1; i < 129; i<<=1) {
|
||
if (colour)
|
||
printf ("%s", (num&i) ? "[31m1[0m" : "0");
|
||
else
|
||
printf ("%s", (num&i) ? "1" : "0");
|
||
}
|
||
else
|
||
for (i = 128; i > 0; i>>=1) {
|
||
if (colour)
|
||
printf ("%s", (num&i) ? "[31m1[0m" : "0");
|
||
else
|
||
printf ("%s", (num&i) ? "1" : "0");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* ntfsinfo_time_to_str
|
||
*/
|
||
static const char *ntfsinfo_time_to_str(const s64 sle_ntfs_clock)
|
||
{
|
||
time_t unix_clock = ntfs2utc(sle64_to_cpu(sle_ntfs_clock));
|
||
if (sle_ntfs_clock == 0)
|
||
return "none\n";
|
||
else
|
||
return ctime(&unix_clock);
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_bmp_commit
|
||
*/
|
||
static int ntfs_bmp_commit (struct ntfs_bmp *bmp)
|
||
{
|
||
int i;
|
||
u32 cs;
|
||
u32 ws; // write size
|
||
|
||
if (!bmp)
|
||
return 0;
|
||
if (bmp->count == 0)
|
||
return 0;
|
||
|
||
//printf ("\ta size = %lld\n", bmp->attr->allocated_size);
|
||
//printf ("\td size = %lld\n", bmp->attr->data_size);
|
||
//printf ("\ti size = %lld\n", bmp->attr->initialized_size);
|
||
|
||
cs = bmp->vol->cluster_size;
|
||
|
||
printf ("commit bmp inode %lld, 0x%02X (%sresident)\n", bmp->attr->ni->mft_no, bmp->attr->type, NAttrNonResident (bmp->attr) ? "non-" : "");
|
||
|
||
if (NAttrNonResident (bmp->attr)) {
|
||
// non-resident
|
||
for (i = 0; i < bmp->count; i++) {
|
||
#ifdef RM_WRITE
|
||
if (((bmp->data_vcn[i]+1) * cs) < bmp->attr->data_size)
|
||
ws = cs;
|
||
else
|
||
ws = bmp->attr->data_size & (cs - 1);
|
||
//printf ("writing %d bytes\n", ws);
|
||
ntfs_attr_pwrite (bmp->attr, bmp->data_vcn[i] * cs, ws, bmp->data[i]); // XXX retval
|
||
#endif
|
||
printf (RED "\tntfs_attr_pwrite (vcn %lld)\n" END, bmp->data_vcn[i]);
|
||
}
|
||
} else {
|
||
// resident
|
||
#ifdef RM_WRITE
|
||
ntfs_attr_pwrite (bmp->attr, bmp->data_vcn[0], bmp->attr->data_size, bmp->data[0]); // XXX retval
|
||
#endif
|
||
printf (RED "\tntfs_attr_pwrite resident (%lld)\n" END, bmp->attr->data_size);
|
||
}
|
||
|
||
for (i = 0; i < bmp->count; i++)
|
||
free (bmp->data[i]);
|
||
|
||
free (bmp->data); // XXX wipe ->data and ->data_vcn
|
||
free (bmp->data_vcn);
|
||
bmp->count = 0;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_bmp_rollback
|
||
*/
|
||
static int ntfs_bmp_rollback (struct ntfs_bmp *bmp)
|
||
{
|
||
int i;
|
||
|
||
if ((!bmp) || (bmp->count == 0))
|
||
return 0;
|
||
|
||
printf ("rollback bmp\n");
|
||
|
||
for (i = 0; i < bmp->count; i++)
|
||
free (bmp->data[i]);
|
||
|
||
free (bmp->data);
|
||
free (bmp->data_vcn);
|
||
bmp->count = 0;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_bmp_free
|
||
*/
|
||
static void ntfs_bmp_free (struct ntfs_bmp *bmp)
|
||
{
|
||
if (!bmp)
|
||
return;
|
||
|
||
ntfs_bmp_rollback (bmp);
|
||
|
||
ntfs_attr_close (bmp->attr);
|
||
|
||
free (bmp->cache);
|
||
free (bmp);
|
||
}
|
||
|
||
/**
|
||
* ntfs_bmp_alloc
|
||
*/
|
||
static struct ntfs_bmp * ntfs_bmp_alloc (ntfs_inode *inode, ATTR_TYPES type, ntfschar *name, int name_len)
|
||
{
|
||
struct ntfs_bmp *bmp;
|
||
ntfs_attr *attr;
|
||
|
||
if (!inode)
|
||
return NULL;
|
||
|
||
attr = ntfs_attr_open (inode, type, name, name_len);
|
||
if (!attr)
|
||
return NULL;
|
||
|
||
bmp = calloc (1, sizeof (*bmp));
|
||
if (!bmp) {
|
||
ntfs_attr_close (attr);
|
||
return NULL;
|
||
}
|
||
|
||
bmp->vol = inode->vol;
|
||
bmp->attr = attr;
|
||
bmp->data = NULL;
|
||
bmp->data_vcn = NULL;
|
||
bmp->count = 0;
|
||
bmp->cache = NULL;
|
||
bmp->cache_vcn = -1;
|
||
|
||
return bmp;
|
||
}
|
||
|
||
/**
|
||
* ntfs_bmp_add_data
|
||
*/
|
||
static int ntfs_bmp_add_data (struct ntfs_bmp *bmp, VCN vcn, u8 *data)
|
||
{
|
||
int i = 0;
|
||
int old;
|
||
int new;
|
||
|
||
if (!bmp || !data)
|
||
return -1;
|
||
|
||
old = ROUND_UP (bmp->count, 16);
|
||
bmp->count++;
|
||
new = ROUND_UP (bmp->count, 16);
|
||
|
||
if (old != new) {
|
||
bmp->data = realloc (bmp->data, new * sizeof (*bmp->data));
|
||
bmp->data_vcn = realloc (bmp->data_vcn , new * sizeof (*bmp->data_vcn));
|
||
}
|
||
|
||
for (i = 0; i < bmp->count-1; i++)
|
||
if (bmp->data_vcn[i] > vcn)
|
||
break;
|
||
|
||
if ((bmp->count-i) > 0) {
|
||
memmove (&bmp->data[i+1], &bmp->data[i], (bmp->count-i) * sizeof (*bmp->data));
|
||
memmove (&bmp->data_vcn[i+1], &bmp->data_vcn[i], (bmp->count-i) * sizeof (*bmp->data_vcn));
|
||
}
|
||
|
||
bmp->data[i] = data;
|
||
bmp->data_vcn[i] = vcn;
|
||
|
||
return bmp->count;
|
||
}
|
||
|
||
/**
|
||
* ntfs_bmp_get_data
|
||
*/
|
||
static u8 * ntfs_bmp_get_data (struct ntfs_bmp *bmp, VCN vcn)
|
||
{
|
||
u8 *buffer;
|
||
int i;
|
||
int cs;
|
||
int cb;
|
||
|
||
if (!bmp)
|
||
return NULL;
|
||
|
||
cs = bmp->vol->cluster_size;
|
||
cb = bmp->vol->cluster_size_bits;
|
||
|
||
// XXX range check against vol,attr
|
||
// never compressed, so data = init
|
||
|
||
vcn >>= (cb + 3); // convert to bitmap clusters
|
||
|
||
for (i = 0; i < bmp->count; i++) {
|
||
if (vcn == bmp->data_vcn[i]) {
|
||
//printf ("reusing bitmap cluster %lld\n", vcn);
|
||
return bmp->data[i];
|
||
}
|
||
}
|
||
|
||
buffer = calloc (1, cs); // XXX could be smaller if attr size < cluster size
|
||
if (!buffer)
|
||
return NULL;
|
||
|
||
//printf ("loading from bitmap cluster %lld\n", vcn);
|
||
//printf ("loading from bitmap byte %lld\n", vcn<<cb);
|
||
if (ntfs_attr_pread (bmp->attr, vcn<<cb, cs, buffer) < 0) {
|
||
free (buffer);
|
||
return NULL;
|
||
}
|
||
|
||
ntfs_bmp_add_data (bmp, vcn, buffer); // XXX retval
|
||
return buffer;
|
||
}
|
||
|
||
/**
|
||
* ntfs_bmp_set_range
|
||
*/
|
||
static int ntfs_bmp_set_range (struct ntfs_bmp *bmp, VCN vcn, s64 length, int value)
|
||
{
|
||
// shouldn't all the vcns be lcns?
|
||
s64 i;
|
||
u8 *buffer;
|
||
int clust_size;
|
||
|
||
int block_start, block_finish; // rename to c[sf] (rename to clust_)
|
||
int vcn_start, vcn_finish; // rename to v[sf]
|
||
int byte_start, byte_finish; // rename to b[sf]
|
||
u8 mask_start, mask_finish; // rename to m[sf]
|
||
|
||
if (!bmp)
|
||
return -1;
|
||
|
||
if (value)
|
||
value = 0xFF;
|
||
|
||
clust_size = bmp->vol->cluster_size;
|
||
|
||
vcn_start = vcn;
|
||
vcn_finish = vcn + length - 1;
|
||
|
||
for (i = vcn_start; i < ROUND_UP (vcn_finish, clust_size<<3); i += (clust_size<<3)) {
|
||
buffer = ntfs_bmp_get_data (bmp, ROUND_DOWN (i, clust_size<<3));
|
||
if (!buffer)
|
||
return -1;
|
||
|
||
block_start = ROUND_DOWN (i, clust_size<<3);
|
||
block_finish = block_start + (clust_size<<3) - 1;
|
||
|
||
mask_start = (0xFF << (vcn_start & 7));
|
||
mask_finish = (0xFF >> (7 - (vcn_finish & 7)));
|
||
|
||
if ((vcn_start >= block_start) && (vcn_start <= block_finish)) {
|
||
byte_start = (vcn_start - block_start) >> 3;
|
||
} else {
|
||
byte_start = 0;
|
||
mask_start = 0xFF;
|
||
}
|
||
|
||
if ((vcn_finish >= block_start) && (vcn_finish <= block_finish)) {
|
||
byte_finish = (vcn_finish - block_start) >> 3;
|
||
} else {
|
||
byte_finish = clust_size - 1;
|
||
mask_finish = 0xFF;
|
||
}
|
||
|
||
if ((byte_finish - byte_start) > 1) {
|
||
memset (buffer+byte_start+1, value, byte_finish-byte_start-1);
|
||
} else if (byte_finish == byte_start) {
|
||
mask_start &= mask_finish;
|
||
mask_finish = value;
|
||
}
|
||
|
||
if (value) {
|
||
buffer[byte_start] |= mask_start;
|
||
buffer[byte_finish] |= mask_finish;
|
||
} else {
|
||
buffer[byte_start] &= (~mask_start);
|
||
buffer[byte_finish] &= (~mask_finish);
|
||
}
|
||
}
|
||
|
||
printf (GREEN "Modified: inode %lld, ", bmp->attr->ni->mft_no);
|
||
switch (bmp->attr->type) {
|
||
case AT_BITMAP: printf ("$BITMAP"); break;
|
||
case AT_DATA: printf ("$DATA"); break;
|
||
default: break;
|
||
}
|
||
printf (" vcn %lld-%lld\n" END, vcn>>12, (vcn+length-1)>>12);
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_ie_get_vcn
|
||
*/
|
||
static VCN ntfs_ie_get_vcn (INDEX_ENTRY *ie)
|
||
{
|
||
if (!ie)
|
||
return -1;
|
||
if (!(ie->flags & INDEX_ENTRY_NODE))
|
||
return -1;
|
||
|
||
return *((VCN*) ((u8*) ie + ie->length - 8));
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_dump
|
||
*/
|
||
static void ntfs_ie_dump (INDEX_ENTRY *ie)
|
||
{
|
||
if (!ie)
|
||
return;
|
||
|
||
printf ("________________________________________________");
|
||
printf ("\n");
|
||
utils_dump_mem ((u8*)ie, 0, ie->length, DM_DEFAULTS);
|
||
|
||
printf ("MFT Ref: 0x%llx\n", ie->indexed_file);
|
||
printf ("length: %d\n", ie->length);
|
||
printf ("keylen: %d\n", ie->key_length);
|
||
printf ("flags: ");
|
||
if (ie->flags & INDEX_ENTRY_NODE) printf ("NODE ");
|
||
if (ie->flags & INDEX_ENTRY_END) printf ("END");
|
||
if (!(ie->flags & (INDEX_ENTRY_NODE | INDEX_ENTRY_END))) printf ("none");
|
||
printf ("\n");
|
||
printf ("reserved 0x%04x\n", ie->reserved);
|
||
if (ie->key_length > 0) {
|
||
printf ("mft parent: 0x%llx\n", ie->key.file_name.parent_directory);
|
||
|
||
printf ("ctime: %s", ntfsinfo_time_to_str(ie->key.file_name.creation_time));
|
||
printf ("dtime: %s", ntfsinfo_time_to_str(ie->key.file_name.last_data_change_time));
|
||
printf ("mtime: %s", ntfsinfo_time_to_str(ie->key.file_name.last_mft_change_time));
|
||
printf ("atime: %s", ntfsinfo_time_to_str(ie->key.file_name.last_access_time));
|
||
printf ("alloc size: %lld\n", ie->key.file_name.allocated_size);
|
||
printf ("data size: %lld\n", ie->key.file_name.data_size);
|
||
printf ("file flags: 0x%04x\n", ie->key.file_name.file_attributes);
|
||
printf ("reserved: 0x%04x\n", ie->key.file_name.reserved); printf ("name len: %d\n", ie->key.file_name.file_name_length);
|
||
if (ie->key.file_name.file_name_length > 0) {
|
||
int i, r;
|
||
printf ("name type: %d\n", ie->key.file_name.file_name_type);
|
||
printf ("name: ");
|
||
ntfs_name_print (ie->key.file_name.file_name, ie->key.file_name.file_name_length);
|
||
printf ("\n");
|
||
r = ATTR_SIZE (2 * (ie->key.file_name.file_name_length+1)) - (2 * (ie->key.file_name.file_name_length+1));
|
||
if (r > 0) {
|
||
u8 *ptr;
|
||
printf ("padding: ");
|
||
ptr = (u8*) (ie->key.file_name.file_name + ie->key.file_name.file_name_length);
|
||
for (i = 0; i < r; i++, ptr++)
|
||
printf ("0x%02x ", *ptr);
|
||
printf ("\n");
|
||
}
|
||
}
|
||
}
|
||
if (ie->flags == INDEX_ENTRY_NODE) {
|
||
printf ("child vcn = %lld\n", ntfs_ie_get_vcn (ie));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_create
|
||
*/
|
||
static INDEX_ENTRY * ntfs_ie_create (void)
|
||
{
|
||
int length;
|
||
INDEX_ENTRY *ie;
|
||
|
||
length = 16;
|
||
ie = malloc (length);
|
||
if (!ie)
|
||
return NULL;
|
||
|
||
ie->indexed_file = 0;
|
||
ie->length = length;
|
||
ie->key_length = 0;
|
||
ie->flags = INDEX_ENTRY_END;
|
||
ie->reserved = 0;
|
||
return ie;
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_copy
|
||
*/
|
||
static INDEX_ENTRY * ntfs_ie_copy (INDEX_ENTRY *ie)
|
||
{
|
||
INDEX_ENTRY *copy = NULL;
|
||
|
||
if (!ie)
|
||
return NULL;
|
||
|
||
copy = malloc (ie->length);
|
||
if (!copy)
|
||
return NULL;
|
||
memcpy (copy, ie, ie->length);
|
||
|
||
return copy;
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_set_vcn
|
||
*/
|
||
static INDEX_ENTRY * ntfs_ie_set_vcn (INDEX_ENTRY *ie, VCN vcn)
|
||
{
|
||
if (!ie)
|
||
return 0;
|
||
|
||
if (!(ie->flags & INDEX_ENTRY_NODE)) {
|
||
ie->length += 8;
|
||
ie = realloc (ie, ie->length);
|
||
if (!ie)
|
||
return NULL;
|
||
|
||
ie->flags |= INDEX_ENTRY_NODE;
|
||
}
|
||
|
||
*((VCN*) ((u8*) ie + ie->length - 8)) = vcn;
|
||
return ie;
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_remove_vcn
|
||
*/
|
||
static INDEX_ENTRY * ntfs_ie_remove_vcn (INDEX_ENTRY *ie)
|
||
{
|
||
if (!ie)
|
||
return NULL;
|
||
if (!(ie->flags & INDEX_ENTRY_NODE))
|
||
return ie;
|
||
|
||
ie->length -= 8;
|
||
ie->flags &= ~INDEX_ENTRY_NODE;
|
||
ie = realloc (ie, ie->length);
|
||
return ie;
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_set_name
|
||
*/
|
||
static INDEX_ENTRY * ntfs_ie_set_name (INDEX_ENTRY *ie, ntfschar *name, int namelen, FILE_NAME_TYPE_FLAGS nametype)
|
||
{
|
||
FILE_NAME_ATTR *file;
|
||
int klen;
|
||
int need;
|
||
VCN vcn = 0;
|
||
|
||
if (!ie || !name)
|
||
return NULL;
|
||
|
||
/*
|
||
* INDEX_ENTRY
|
||
* MFT_REF indexed_file;
|
||
* u16 length;
|
||
* u16 key_length;
|
||
* INDEX_ENTRY_FLAGS flags;
|
||
* u16 reserved;
|
||
*
|
||
* FILENAME
|
||
* MFT_REF parent_directory;
|
||
* s64 creation_time;
|
||
* s64 last_data_change_time;
|
||
* s64 last_mft_change_time;
|
||
* s64 last_access_time;
|
||
* s64 allocated_size;
|
||
* s64 data_size;
|
||
* FILE_ATTR_FLAGS file_attributes;
|
||
* u32 reserved;
|
||
* u8 file_name_length;
|
||
* FILE_NAME_TYPE_FLAGS file_name_type;
|
||
* ntfschar file_name[l];
|
||
* u8 reserved[n]
|
||
*
|
||
* VCN vcn;
|
||
*/
|
||
|
||
file = &ie->key.file_name;
|
||
|
||
klen = ATTR_SIZE (ie->key_length);
|
||
need = ATTR_SIZE (sizeof (FILE_NAME_ATTR) + (namelen * sizeof (ntfschar)));
|
||
|
||
//printf ("ilen = %d\n", ie->length);
|
||
//printf ("klen = %d\n", klen);
|
||
//printf ("need = %d\n", need);
|
||
|
||
if (ie->flags & INDEX_ENTRY_NODE)
|
||
vcn = ntfs_ie_get_vcn (ie);
|
||
|
||
ie->length = 16 + need;
|
||
ie->key_length = sizeof (FILE_NAME_ATTR) + (namelen * sizeof (ntfschar));
|
||
ie = realloc (ie, ie->length + ie->key_length);
|
||
if (!ie)
|
||
return NULL;
|
||
|
||
memcpy (ie->key.file_name.file_name, name, namelen * 2);
|
||
|
||
if (ie->flags & INDEX_ENTRY_NODE)
|
||
ie = ntfs_ie_set_vcn (ie, vcn);
|
||
|
||
ie->key.file_name.file_name_length = namelen;
|
||
ie->key.file_name.file_name_type = nametype;
|
||
ie->flags &= ~INDEX_ENTRY_END;
|
||
|
||
return ie;
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_remove_name
|
||
*/
|
||
static INDEX_ENTRY * ntfs_ie_remove_name (INDEX_ENTRY *ie)
|
||
{
|
||
VCN vcn = 0;
|
||
|
||
if (!ie)
|
||
return NULL;
|
||
if (ie->key_length == 0)
|
||
return ie;
|
||
|
||
if (ie->flags & INDEX_ENTRY_NODE)
|
||
vcn = ntfs_ie_get_vcn (ie);
|
||
|
||
ie->length -= ATTR_SIZE (ie->key_length);
|
||
ie->key_length = 0;
|
||
ie->flags |= INDEX_ENTRY_END;
|
||
|
||
ie = realloc (ie, ie->length);
|
||
if (!ie)
|
||
return NULL;
|
||
|
||
if (ie->flags & INDEX_ENTRY_NODE)
|
||
ie = ntfs_ie_set_vcn (ie, vcn);
|
||
return ie;
|
||
}
|
||
|
||
/**
|
||
* ntfs_ie_test
|
||
*/
|
||
static int ntfs_ie_test (void)
|
||
{
|
||
INDEX_ENTRY *ie1 = NULL;
|
||
INDEX_ENTRY *ie2 = NULL;
|
||
int namelen = 0;
|
||
ntfschar *name = NULL;
|
||
|
||
if (1) {
|
||
ie1 = ntfs_ie_create();
|
||
//ntfs_ie_dump (ie1);
|
||
}
|
||
|
||
if (0) {
|
||
ie2 = ntfs_ie_copy (ie1);
|
||
ntfs_ie_dump (ie2);
|
||
}
|
||
|
||
if (1) {
|
||
namelen = ntfs_mbstoucs("richard", &name, 0);
|
||
ie1 = ntfs_ie_set_name (ie1, name, namelen, FILE_NAME_WIN32);
|
||
free (name);
|
||
name = NULL;
|
||
ntfs_ie_dump (ie1);
|
||
}
|
||
|
||
if (1) {
|
||
namelen = ntfs_mbstoucs("richard2", &name, 0);
|
||
ie1 = ntfs_ie_set_name (ie1, name, namelen, FILE_NAME_WIN32);
|
||
free (name);
|
||
name = NULL;
|
||
ntfs_ie_dump (ie1);
|
||
}
|
||
|
||
if (1) {
|
||
ie1 = ntfs_ie_remove_name (ie1);
|
||
ntfs_ie_dump (ie1);
|
||
}
|
||
|
||
if (1) {
|
||
ie1 = ntfs_ie_set_vcn (ie1, 1234);
|
||
ntfs_ie_dump (ie1);
|
||
}
|
||
|
||
if (1) {
|
||
ie1 = ntfs_ie_remove_vcn (ie1);
|
||
ntfs_ie_dump (ie1);
|
||
}
|
||
|
||
ie1->indexed_file = 1234;
|
||
ie1->key.file_name.parent_directory = 5;
|
||
ie1->key.file_name.creation_time = utc2ntfs (time(NULL));
|
||
ie1->key.file_name.last_data_change_time = utc2ntfs (time(NULL));
|
||
ie1->key.file_name.last_mft_change_time = utc2ntfs (time(NULL));
|
||
ie1->key.file_name.last_access_time = utc2ntfs (time(NULL));
|
||
ie1->key.file_name.allocated_size = 4096;
|
||
ie1->key.file_name.data_size = 3973;
|
||
|
||
//ntfs_ie_dump (ie1);
|
||
free (name);
|
||
free (ie1);
|
||
free (ie2);
|
||
return 0;
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_dt_alloc_children
|
||
*/
|
||
static INDEX_ENTRY ** ntfs_dt_alloc_children (INDEX_ENTRY **children, int count)
|
||
{
|
||
// XXX calculate for 2K and 4K indexes max and min filenames (inc/exc VCN)
|
||
int old = (count + 0x1e) & ~0x1f;
|
||
int new = (count + 0x1f) & ~0x1f;
|
||
|
||
if (old == new)
|
||
return children;
|
||
|
||
return realloc (children, new * sizeof (INDEX_ENTRY*));
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_alloc_children2
|
||
*/
|
||
static BOOL ntfs_dt_alloc_children2 (struct ntfs_dt *dt, int count)
|
||
{
|
||
// XXX calculate for 2K and 4K indexes max and min filenames (inc/exc VCN)
|
||
|
||
int old = (dt->child_count + 0x1e) & ~0x1f;
|
||
int new = (count + 0x1f) & ~0x1f;
|
||
|
||
if (old == new)
|
||
return TRUE;
|
||
|
||
dt->children = realloc (dt->children, new * sizeof (*dt->children));
|
||
dt->sub_nodes = realloc (dt->sub_nodes, new * sizeof (*dt->sub_nodes));
|
||
dt->inodes = realloc (dt->inodes, new * sizeof (*dt->inodes));
|
||
|
||
// XXX wipe new space
|
||
|
||
return (dt->children && dt->sub_nodes && dt->inodes);
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_count_root
|
||
*/
|
||
static int ntfs_dt_count_root (struct ntfs_dt *dt)
|
||
{
|
||
u8 *buffer = NULL;
|
||
u8 *ptr = NULL;
|
||
VCN vcn;
|
||
s64 size = 0;
|
||
char *name = NULL;
|
||
|
||
INDEX_ROOT *root;
|
||
INDEX_HEADER *header;
|
||
INDEX_ENTRY *entry;
|
||
|
||
if (!dt)
|
||
return -1;
|
||
|
||
buffer = dt->data;
|
||
size = dt->data_len;
|
||
|
||
root = (INDEX_ROOT*) buffer;
|
||
if (root->type != AT_FILE_NAME)
|
||
return -1;
|
||
|
||
header = (INDEX_HEADER*) (buffer + 0x10);
|
||
if (header->index_length > size)
|
||
return -1;
|
||
|
||
dt->child_count = 0;
|
||
ptr = buffer + header->entries_offset + 0x10;
|
||
|
||
while (ptr < (buffer + size)) {
|
||
entry = (INDEX_ENTRY*) ptr;
|
||
dt->child_count++;
|
||
|
||
dt->children = ntfs_dt_alloc_children (dt->children, dt->child_count);
|
||
|
||
if (entry->flags & INDEX_ENTRY_NODE) {
|
||
vcn = ntfs_ie_get_vcn ((INDEX_ENTRY*) ptr);
|
||
//printf ("VCN %lld\n", vcn);
|
||
}
|
||
|
||
if (!(entry->flags & INDEX_ENTRY_END)) {
|
||
ntfs_ucstombs (entry->key.file_name.file_name, entry->key.file_name.file_name_length, &name, entry->key.file_name.file_name_length);
|
||
//printf ("\tinode %8lld %s\n", MREF (entry->indexed_file), name);
|
||
free (name);
|
||
name = NULL;
|
||
}
|
||
|
||
//printf ("CC[%d] = %p\n", dt->child_count-1, entry);
|
||
dt->children[dt->child_count-1] = entry;
|
||
|
||
ptr += entry->length;
|
||
}
|
||
|
||
//printf ("count = %d\n\n", dt->child_count);
|
||
|
||
if (dt->child_count > 0) {
|
||
//printf ("%d subnodes\n", dt->child_count);
|
||
dt->sub_nodes = calloc (dt->child_count, sizeof (struct ntfs_dt *));
|
||
dt->inodes = calloc (dt->child_count, sizeof (struct ntfs_inode *));
|
||
}
|
||
return dt->child_count;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_count_alloc
|
||
*/
|
||
static int ntfs_dt_count_alloc (struct ntfs_dt *dt)
|
||
{
|
||
u8 *buffer = NULL;
|
||
u8 *ptr = NULL;
|
||
VCN vcn;
|
||
s64 size = 0;
|
||
char *name = NULL;
|
||
|
||
INDEX_BLOCK *block;
|
||
INDEX_ENTRY *entry;
|
||
|
||
if (!dt)
|
||
return -1;
|
||
|
||
buffer = dt->data;
|
||
size = dt->data_len;
|
||
|
||
//utils_dump_mem (buffer, 0, 128, DM_DEFAULTS);
|
||
|
||
block = (INDEX_BLOCK*) buffer;
|
||
//printf ("INDX %lld\n", block->index_block_vcn);
|
||
|
||
ptr = buffer + 0x18 + block->index.entries_offset;
|
||
|
||
//printf ("block size %d\n", block->index.index_length);
|
||
dt->child_count = 0;
|
||
while (ptr < (buffer + 0x18 + block->index.index_length)) {
|
||
entry = (INDEX_ENTRY*) ptr;
|
||
dt->child_count++;
|
||
|
||
dt->children = ntfs_dt_alloc_children (dt->children, dt->child_count);
|
||
|
||
if (entry->flags & INDEX_ENTRY_NODE) {
|
||
vcn = ntfs_ie_get_vcn ((INDEX_ENTRY*) ptr);
|
||
//printf ("\tVCN %lld\n", vcn);
|
||
}
|
||
|
||
dt->children[dt->child_count-1] = entry;
|
||
|
||
if (entry->flags & INDEX_ENTRY_END) {
|
||
break;
|
||
} else {
|
||
ntfs_ucstombs (entry->key.file_name.file_name, entry->key.file_name.file_name_length, &name, entry->key.file_name.file_name_length);
|
||
//printf ("\tinode %8lld %s\n", MREF (entry->indexed_file), name);
|
||
free (name);
|
||
name = NULL;
|
||
}
|
||
|
||
ptr += entry->length;
|
||
}
|
||
//printf ("count = %d\n", dt->child_count);
|
||
|
||
if (dt->child_count > 0) {
|
||
//printf ("%d subnodes\n", dt->child_count);
|
||
dt->sub_nodes = calloc (dt->child_count, sizeof (struct ntfs_dt *));
|
||
dt->inodes = calloc (dt->child_count, sizeof (struct ntfs_inode *));
|
||
}
|
||
|
||
return dt->child_count;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_commit
|
||
*/
|
||
static int ntfs_dt_commit (struct ntfs_dt *dt)
|
||
{
|
||
ntfs_volume *vol;
|
||
ntfs_attr *attr;
|
||
struct ntfs_dir *dir;
|
||
int i;
|
||
|
||
if (!dt)
|
||
return 0;
|
||
|
||
dir = dt->dir;
|
||
if (!dir)
|
||
return -1;
|
||
|
||
vol = dir->vol; // cluster size
|
||
|
||
if (dt->changed) {
|
||
printf ("commit dt\n");
|
||
if (dt->parent) {
|
||
attr = dt->dir->ialloc;
|
||
} else {
|
||
attr = dt->dir->iroot;
|
||
}
|
||
|
||
#ifdef RM_WRITE
|
||
//utils_dump_mem (dt->data, 0, 16, DM_DEFAULTS);
|
||
ntfs_attr_mst_pwrite(attr, dt->vcn * dt->dir->index_size, 1, dt->dir->index_size, dt->data); // XXX retval
|
||
#endif
|
||
printf (RED "\tntfs_attr_pwrite (vcn %lld)\n" END, dt->vcn);
|
||
|
||
dt->changed = FALSE;
|
||
}
|
||
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
if ((dt->inodes[i]) && (NInoDirty (dt->inodes[i]))) {
|
||
#ifdef RM_WRITE
|
||
ntfs_inode_sync (dt->inodes[i]);
|
||
#endif
|
||
printf (RED "\tntfs_inode_sync %llu\n" END, dt->inodes[i]->mft_no);
|
||
}
|
||
|
||
if (ntfs_dt_commit (dt->sub_nodes[i]) < 0)
|
||
return -1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_rollback
|
||
*/
|
||
static int ntfs_dt_rollback (struct ntfs_dt *dt)
|
||
{
|
||
if (!dt)
|
||
return -1;
|
||
// inode rollback
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_free
|
||
*/
|
||
static void ntfs_dt_free (struct ntfs_dt *dt)
|
||
{
|
||
int i;
|
||
|
||
if (!dt)
|
||
return;
|
||
|
||
ntfs_dt_rollback (dt);
|
||
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ntfs_dt_free (dt->sub_nodes[i]);
|
||
ntfs_inode_close2 (dt->inodes[i]);
|
||
}
|
||
|
||
free (dt->sub_nodes);
|
||
free (dt->children);
|
||
free (dt->inodes);
|
||
free (dt->data); // XXX is this always ours?
|
||
free (dt);
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_alloc
|
||
*/
|
||
static struct ntfs_dt * ntfs_dt_alloc (struct ntfs_dir *dir, struct ntfs_dt *parent, VCN vcn)
|
||
{
|
||
struct ntfs_dt *dt = NULL;
|
||
//int i;
|
||
|
||
if (!dir)
|
||
return NULL;
|
||
|
||
dt = calloc (1, sizeof (*dt));
|
||
if (!dt)
|
||
return NULL;
|
||
|
||
dt->dir = dir;
|
||
dt->parent = parent;
|
||
dt->child_count = 0;
|
||
dt->children = NULL;
|
||
dt->sub_nodes = NULL;
|
||
dt->inodes = NULL;
|
||
dt->vcn = vcn;
|
||
dt->changed = FALSE;
|
||
|
||
if (parent) {
|
||
//printf ("alloc a = %lld\n", dir->ialloc->allocated_size);
|
||
//printf ("alloc d = %lld\n", dir->ialloc->data_size);
|
||
//printf ("alloc i = %lld\n", dir->ialloc->initialized_size);
|
||
//printf ("vcn = %lld\n", vcn);
|
||
|
||
dt->data_len = dt->dir->index_size;
|
||
//printf ("parent size = %d\n", dt->data_len);
|
||
dt->data = malloc (dt->data_len);
|
||
//printf ("%lld\n", ntfs_attr_mst_pread (dir->ialloc, vcn*512, 1, dt->data_len, dt->data));
|
||
ntfs_attr_mst_pread (dir->ialloc, vcn*512, 1, dt->data_len, dt->data);
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
ntfs_dt_count_alloc (dt);
|
||
|
||
dt->header = &((INDEX_BLOCK*)dt->data)->index;
|
||
//printf ("USA = %d\n", ((INDEX_BLOCK*)dt->data)->usa_count);
|
||
|
||
#if 0
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
INDEX_ENTRY *ie = dt->children[i];
|
||
|
||
printf ("%d\n", ((u8*)ie) - dt->data);
|
||
if (ie->flags & INDEX_ENTRY_END)
|
||
printf ("IE (%d)\n", ie->length);
|
||
else
|
||
printf ("IE %lld (%d)\n", MREF (ie->key.file_name.parent_directory), ie->length);
|
||
utils_dump_mem ((u8*)ie, 0, ie->length, DM_DEFAULTS);
|
||
printf ("\n");
|
||
}
|
||
#endif
|
||
} else {
|
||
//printf ("root a = %lld\n", dir->iroot->allocated_size);
|
||
//printf ("root d = %lld\n", dir->iroot->data_size);
|
||
//printf ("root i = %lld\n", dir->iroot->initialized_size);
|
||
|
||
dt->data_len = dir->iroot->allocated_size;
|
||
dt->data = malloc (dt->data_len);
|
||
//printf ("%lld\n", ntfs_attr_pread (dir->iroot, 0, dt->data_len, dt->data));
|
||
ntfs_attr_pread (dir->iroot, 0, dt->data_len, dt->data);
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
ntfs_dt_count_root (dt);
|
||
|
||
dt->header = &((INDEX_ROOT*)dt->data)->index;
|
||
//dt->data_len = ((INDEX_ROOT*)dt->data)->index_block_size;
|
||
//printf ("IBS = %d\n", ((INDEX_ROOT*)dt->data)->index_block_size);
|
||
|
||
#if 0
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
INDEX_ENTRY *ie = dt->children[i];
|
||
|
||
printf ("%d\n", ((u8*)ie) - dt->data);
|
||
if (ie->flags & INDEX_ENTRY_END)
|
||
printf ("IE (%d)\n", ie->length);
|
||
else
|
||
printf ("IE %lld (%d)\n", MREF (ie->key.file_name.parent_directory), ie->length);
|
||
utils_dump_mem ((u8*)ie, 0, ie->length, DM_DEFAULTS);
|
||
printf ("\n");
|
||
}
|
||
#endif
|
||
}
|
||
//printf ("index_header (%d,%d)\n", dt->header.index_length, dt->header.allocated_size);
|
||
|
||
return dt;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_find
|
||
* find dt by name, return MFT_REF
|
||
* maps dt's as necessary
|
||
*/
|
||
static MFT_REF ntfs_dt_find (struct ntfs_dt *dt, ntfschar *name, int name_len)
|
||
{
|
||
MFT_REF res = -1;
|
||
INDEX_ENTRY *ie;
|
||
struct ntfs_dt *sub;
|
||
VCN vcn;
|
||
int i;
|
||
int r;
|
||
|
||
if (!dt || !name)
|
||
return -1;
|
||
|
||
/*
|
||
* State Children Action
|
||
* -------------------------------------------
|
||
* collates after - keep searching
|
||
* match name - return MREF
|
||
* collates before no return -1
|
||
* collates before yes map & recurse
|
||
* end marker no return -1
|
||
* end marker yes map & recurse
|
||
*/
|
||
|
||
//printf ("child_count = %d\n", dt->child_count);
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
r = -1;
|
||
} else {
|
||
//printf ("\t"); ntfs_name_print (ie->key.file_name.file_name, ie->key.file_name.file_name_length); printf ("\n");
|
||
r = ntfs_names_collate (name, name_len,
|
||
ie->key.file_name.file_name,
|
||
ie->key.file_name.file_name_length,
|
||
2, IGNORE_CASE,
|
||
dt->dir->vol->upcase,
|
||
dt->dir->vol->upcase_len);
|
||
}
|
||
|
||
//printf ("%d, %d\n", i, r);
|
||
|
||
if (r == 1) {
|
||
//printf ("keep searching\n");
|
||
continue;
|
||
} else if (r == 0) {
|
||
res = MREF (ie->indexed_file);
|
||
//printf ("match %lld\n", res);
|
||
} else if (r == -1) {
|
||
if (ie->flags & INDEX_ENTRY_NODE) {
|
||
//printf ("map & recurse\n");
|
||
//printf ("sub %p\n", dt->sub_nodes);
|
||
if (!dt->sub_nodes[i]) {
|
||
vcn = ntfs_ie_get_vcn (ie);
|
||
//printf ("vcn = %lld\n", vcn);
|
||
sub = ntfs_dt_alloc (dt->dir, dt, vcn);
|
||
dt->sub_nodes[i] = sub;
|
||
}
|
||
res = ntfs_dt_find (dt->sub_nodes[i], name, name_len);
|
||
} else {
|
||
//printf ("ENOENT\n");
|
||
}
|
||
} else {
|
||
printf ("error collating name\n");
|
||
}
|
||
break;
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_find2
|
||
* find dt by name, returns dt and index
|
||
* maps dt's as necessary
|
||
*/
|
||
static struct ntfs_dt * ntfs_dt_find2 (struct ntfs_dt *dt, ntfschar *name, int name_len, int *index_num)
|
||
{
|
||
struct ntfs_dt *res = NULL;
|
||
INDEX_ENTRY *ie;
|
||
VCN vcn;
|
||
int i;
|
||
int r;
|
||
|
||
if (!dt || !name)
|
||
return NULL;
|
||
|
||
// XXX default index_num to -1
|
||
|
||
/*
|
||
* State Children Action
|
||
* -------------------------------------------
|
||
* collates after - keep searching
|
||
* match name - return MREF
|
||
* collates before no return -1
|
||
* collates before yes map & recurse
|
||
* end marker no return -1
|
||
* end marker yes map & recurse
|
||
*/
|
||
|
||
//printf ("child_count = %d\n", dt->child_count);
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
r = -1;
|
||
} else {
|
||
//printf ("\t"); ntfs_name_print (ie->key.file_name.file_name, ie->key.file_name.file_name_length); printf ("\n");
|
||
r = ntfs_names_collate (name, name_len,
|
||
ie->key.file_name.file_name,
|
||
ie->key.file_name.file_name_length,
|
||
2, IGNORE_CASE,
|
||
dt->dir->vol->upcase,
|
||
dt->dir->vol->upcase_len);
|
||
}
|
||
|
||
//printf ("%d, %d\n", i, r);
|
||
|
||
if (r == 1) {
|
||
//printf ("keep searching\n");
|
||
continue;
|
||
} else if (r == 0) {
|
||
res = dt;
|
||
//printf ("match %p\n", res);
|
||
if (index_num)
|
||
*index_num = i;
|
||
} else if (r == -1) {
|
||
//printf ("recurse\n");
|
||
if (!dt->sub_nodes[i]) {
|
||
vcn = ntfs_ie_get_vcn (ie);
|
||
//printf ("vcn = %lld\n", vcn);
|
||
dt->sub_nodes[i] = ntfs_dt_alloc (dt->dir, dt, vcn);
|
||
}
|
||
res = ntfs_dt_find2 (dt->sub_nodes[i], name, name_len, index_num);
|
||
} else {
|
||
printf ("error collating name\n");
|
||
}
|
||
break;
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_find3
|
||
* find dt by name, returns dt and index
|
||
* does not map new dt's
|
||
*/
|
||
static struct ntfs_dt * ntfs_dt_find3 (struct ntfs_dt *dt, ntfschar *name, int name_len, int *index_num)
|
||
{
|
||
struct ntfs_dt *res = NULL;
|
||
INDEX_ENTRY *ie;
|
||
int i;
|
||
int r;
|
||
|
||
if (!dt || !name)
|
||
return NULL;
|
||
|
||
//printf ("child_count = %d\n", dt->child_count);
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
r = -1;
|
||
} else {
|
||
//printf ("\t"); ntfs_name_print (ie->key.file_name.file_name, ie->key.file_name.file_name_length); printf ("\n");
|
||
r = ntfs_names_collate (name, name_len,
|
||
ie->key.file_name.file_name,
|
||
ie->key.file_name.file_name_length,
|
||
2, IGNORE_CASE,
|
||
dt->dir->vol->upcase,
|
||
dt->dir->vol->upcase_len);
|
||
}
|
||
|
||
//printf ("%d, %d\n", i, r);
|
||
|
||
if (r == 1) {
|
||
//printf ("keep searching\n");
|
||
continue;
|
||
} else if (r == 0) {
|
||
res = dt;
|
||
//printf ("match %p\n", res);
|
||
if (index_num)
|
||
*index_num = i;
|
||
} else if (r == -1) {
|
||
if (ie->flags & INDEX_ENTRY_NODE) {
|
||
//printf ("recurse\n");
|
||
res = ntfs_dt_find3 (dt->sub_nodes[i], name, name_len, index_num);
|
||
} else {
|
||
//printf ("no match\n");
|
||
res = dt;
|
||
if (index_num)
|
||
*index_num = i;
|
||
}
|
||
} else {
|
||
printf ("error collating name\n");
|
||
}
|
||
break;
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_find4
|
||
* find successor to specified name, returns dt and index
|
||
* maps dt's as necessary
|
||
*/
|
||
static struct ntfs_dt * ntfs_dt_find4 (struct ntfs_dt *dt, ntfschar *name, int name_len, int *index_num)
|
||
{
|
||
struct ntfs_dt *res = NULL;
|
||
struct ntfs_dt *sub = NULL;
|
||
INDEX_ENTRY *ie;
|
||
VCN vcn;
|
||
int i;
|
||
int r;
|
||
|
||
if (!dt || !name)
|
||
return NULL;
|
||
|
||
//printf ("child_count = %d\n", dt->child_count);
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
//printf ("ie->flags = %d\n", ie->flags);
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
r = -1;
|
||
} else {
|
||
//printf ("\t"); ntfs_name_print (ie->key.file_name.file_name, ie->key.file_name.file_name_length); printf ("\n");
|
||
r = ntfs_names_collate (name, name_len,
|
||
ie->key.file_name.file_name,
|
||
ie->key.file_name.file_name_length,
|
||
2, IGNORE_CASE,
|
||
dt->dir->vol->upcase,
|
||
dt->dir->vol->upcase_len);
|
||
}
|
||
|
||
//printf ("%d, %d\n", i, r);
|
||
|
||
if (r == 1) {
|
||
//printf ("keep searching\n");
|
||
} else if (r == 0) {
|
||
//res = dt;
|
||
//printf ("match\n");
|
||
// ignore
|
||
} else if (r == -1) {
|
||
if (ie->flags & INDEX_ENTRY_NODE) {
|
||
//printf ("recurse\n");
|
||
if (!dt->sub_nodes[i]) {
|
||
vcn = ntfs_ie_get_vcn (ie);
|
||
//printf ("vcn = %lld\n", vcn);
|
||
sub = ntfs_dt_alloc (dt->dir, dt, vcn);
|
||
dt->sub_nodes[i] = sub;
|
||
}
|
||
res = ntfs_dt_find4 (dt->sub_nodes[i], name, name_len, index_num);
|
||
} else {
|
||
//printf ("no match\n");
|
||
res = dt;
|
||
if (index_num)
|
||
*index_num = i;
|
||
}
|
||
break;
|
||
} else {
|
||
printf ("error collating name\n");
|
||
}
|
||
//break;
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_find_all
|
||
* maps all dt's into memory
|
||
*/
|
||
static void ntfs_dt_find_all (struct ntfs_dt *dt)
|
||
{
|
||
INDEX_ENTRY *ie;
|
||
VCN vcn;
|
||
int i;
|
||
|
||
if (!dt)
|
||
return;
|
||
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
if (ie->flags & INDEX_ENTRY_NODE) {
|
||
if (!dt->sub_nodes[i]) {
|
||
vcn = ntfs_ie_get_vcn (ie);
|
||
dt->sub_nodes[i] = ntfs_dt_alloc (dt->dir, dt, vcn);
|
||
}
|
||
ntfs_dt_find_all (dt->sub_nodes[i]);
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_find_parent
|
||
*/
|
||
static int ntfs_dt_find_parent (struct ntfs_dt *dt)
|
||
{
|
||
int i;
|
||
struct ntfs_dt *parent;
|
||
|
||
if (!dt)
|
||
return -1;
|
||
|
||
parent = dt->parent;
|
||
if (!parent)
|
||
return -1;
|
||
|
||
for (i = 0; i < parent->child_count; i++)
|
||
if (parent->sub_nodes[i] == dt)
|
||
return i;
|
||
|
||
return -1;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_root
|
||
*/
|
||
static BOOL ntfs_dt_root (struct ntfs_dt *dt)
|
||
{
|
||
if (!dt)
|
||
return FALSE;
|
||
return (dt->parent == NULL);
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_freespace_root
|
||
*/
|
||
static int ntfs_dt_freespace_root (struct ntfs_dt *dt)
|
||
{
|
||
int recsize;
|
||
int inuse;
|
||
MFT_RECORD *mrec;
|
||
|
||
if (!dt)
|
||
return -1;
|
||
|
||
recsize = dt->dir->inode->vol->mft_record_size;
|
||
|
||
mrec = (MFT_RECORD*) dt->dir->inode->mrec;
|
||
inuse = mrec->bytes_in_use;
|
||
|
||
return recsize - inuse;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_freespace_alloc
|
||
*/
|
||
static int ntfs_dt_freespace_alloc (struct ntfs_dt *dt)
|
||
{
|
||
int recsize;
|
||
int inuse;
|
||
INDEX_BLOCK *block;
|
||
|
||
if (!dt)
|
||
return -1;
|
||
|
||
recsize = dt->dir->index_size;
|
||
|
||
block = (INDEX_BLOCK*) dt->data;
|
||
inuse = block->index.index_length + 24;
|
||
|
||
return recsize - inuse;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_initialise
|
||
*/
|
||
static int ntfs_dt_initialise (struct ntfs_dt *dt, VCN vcn)
|
||
{
|
||
INDEX_BLOCK *block;
|
||
INDEX_ENTRY *ie;
|
||
|
||
if (!dt || !dt->data)
|
||
return -1;
|
||
|
||
memset (dt->data, 0, dt->data_len);
|
||
|
||
// Ought to check these are empty
|
||
free (dt->children);
|
||
free (dt->sub_nodes);
|
||
|
||
dt->children = NULL;
|
||
dt->sub_nodes = NULL;
|
||
|
||
if (!ntfs_dt_alloc_children2 (dt, 1))
|
||
return -1;
|
||
|
||
block = (INDEX_BLOCK*) dt->data;
|
||
|
||
block->magic = magic_INDX;
|
||
block->usa_ofs = 0x28;
|
||
block->usa_count = (dt->data_len >> 9) + 1;
|
||
block->index_block_vcn = vcn;
|
||
block->index.entries_offset = 0x28;
|
||
block->index.index_length = 0x38;
|
||
block->index.allocated_size = dt->data_len - 0x18;
|
||
|
||
ie = (INDEX_ENTRY*) (dt->data + block->index.entries_offset + 0x18);
|
||
|
||
ie->length = 0x10;
|
||
ie->flags = INDEX_ENTRY_END;
|
||
|
||
dt->children[0] = ie;
|
||
dt->sub_nodes[0] = NULL;
|
||
|
||
//utils_dump_mem (dt->data, 0, block->index.index_length+0x18, DM_DEFAULTS);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_transfer
|
||
*/
|
||
static int ntfs_dt_transfer (struct ntfs_dt *old, struct ntfs_dt *new, int start, int count)
|
||
{
|
||
int i;
|
||
int need;
|
||
int space;
|
||
INDEX_ENTRY *mov_ie;
|
||
u8 *src;
|
||
u8 *dst;
|
||
int len;
|
||
int insert;
|
||
//FILE_NAME_ATTR *file;
|
||
|
||
//XXX check len > 0
|
||
|
||
if (!old || !new)
|
||
return -1;
|
||
|
||
if ((start < 0) || ((start+count) >= old->child_count))
|
||
return -1;
|
||
|
||
printf ("\n");
|
||
printf (BOLD YELLOW "Transferring children\n" END);
|
||
|
||
need = 0;
|
||
for (i = start; i < (start+count+1); i++) {
|
||
mov_ie = old->children[i];
|
||
need += mov_ie->length;
|
||
//file = &mov_ie->key.file_name; printf ("\ttrn name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
}
|
||
|
||
if (ntfs_dt_root (new))
|
||
space = ntfs_dt_freespace_root (new);
|
||
else
|
||
space = ntfs_dt_freespace_alloc (new);
|
||
|
||
// XXX if this is an index root, it'll go badly wrong
|
||
// restrict to allocs only?
|
||
|
||
printf ("\tneed = %d\n", need);
|
||
printf ("\tspace = %d\n", space);
|
||
|
||
if (space < need)
|
||
return -1;
|
||
|
||
if (new->child_count == 1) {
|
||
i = -1;
|
||
} else {
|
||
ntfschar *n1, *n2;
|
||
int l1, l2;
|
||
|
||
n1 = new->children[0]->key.file_name.file_name;
|
||
l1 = new->children[0]->key.file_name.file_name_length;
|
||
|
||
n2 = old->children[start]->key.file_name.file_name;
|
||
l2 = old->children[start]->key.file_name.file_name_length;
|
||
|
||
i = ntfs_names_collate (n1, l1, n2, l2,
|
||
2, IGNORE_CASE,
|
||
old->dir->vol->upcase,
|
||
old->dir->vol->upcase_len);
|
||
}
|
||
|
||
if ((i == 0) || (i == 2))
|
||
return -1;
|
||
|
||
// determine the insertion point
|
||
if (i == 1)
|
||
insert = 0;
|
||
else
|
||
insert = new->child_count-1;
|
||
|
||
src = (u8*) new->children[insert];
|
||
dst = src + need;
|
||
len = (u8*) new->children[new->child_count-1] + new->children[new->child_count-1]->length - src;
|
||
|
||
//printf ("src = %d, dst = %d, len = %d\n", src - new->data, dst - new->data, len);
|
||
memmove (dst, src, len);
|
||
|
||
dst = src;
|
||
src = (u8*) old->children[start];
|
||
len = need;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
src = (u8*) old->children[start+count-1];
|
||
dst = (u8*) old->children[start];
|
||
len = (u8*) old->children[old->child_count-1] + old->children[old->child_count-1]->length - src;
|
||
|
||
//printf ("src = %d, dst = %d, len = %d\n", src - old->data, dst - old->data, len);
|
||
memmove (dst, src, len);
|
||
|
||
dst += len;
|
||
len = old->data + old->dir->index_size - dst;
|
||
|
||
//printf ("dst = %d, len = %d\n", dst - old->data, len);
|
||
memset (dst, 0, len);
|
||
|
||
new->child_count += count;
|
||
if (!ntfs_dt_alloc_children2 (new, new->child_count))
|
||
return -1;
|
||
|
||
src = (u8*) &old->sub_nodes[start+count-1];
|
||
dst = (u8*) &old->sub_nodes[start];
|
||
len = (old->child_count - start - count + 1) * sizeof (struct ntfs_dt*);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
src = (u8*) &new->sub_nodes[insert];
|
||
dst = (u8*) &new->sub_nodes[insert+count-1];
|
||
len = (new->child_count - insert - count + 1) * sizeof (struct ntfs_dt*);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
old->child_count -= count;
|
||
if (!ntfs_dt_alloc_children2 (old, old->child_count))
|
||
return -1;
|
||
|
||
src = (u8*) new->children[0];
|
||
for (i = 0; i < new->child_count; i++) {
|
||
new->children[i] = (INDEX_ENTRY*) src;
|
||
src += new->children[i]->length;
|
||
}
|
||
|
||
src = (u8*) old->children[0];
|
||
for (i = 0; i < old->child_count; i++) {
|
||
old->children[i] = (INDEX_ENTRY*) src;
|
||
src += old->children[i]->length;
|
||
}
|
||
|
||
old->header->index_length -= need;
|
||
new->header->index_length += need;
|
||
|
||
// resize children and sub_nodes
|
||
// memmove keys in new
|
||
// memcpy old to new
|
||
// memmove keys in old
|
||
// rebuild old/new children/sub_nodes without destroying tree
|
||
// update old/new headers
|
||
|
||
old->changed = TRUE;
|
||
new->changed = TRUE;
|
||
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ALLOCATION vcn %lld-%lld\n" END, old->dir->inode->mft_no, old->vcn, old->vcn + (old->dir->index_size>>9) - 1);
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ALLOCATION vcn %lld-%lld\n" END, new->dir->inode->mft_no, new->vcn, new->vcn + (new->dir->index_size>>9) - 1);
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_inode_dir_map
|
||
*/
|
||
static void ntfs_inode_dir_map (ntfs_inode *ino)
|
||
{
|
||
ATTR_RECORD *rec;
|
||
FILE_NAME_ATTR *fn;
|
||
ntfs_inode *parent;
|
||
|
||
if (!ino)
|
||
return;
|
||
|
||
printf ("open inode %lld\n", ino->mft_no);
|
||
|
||
if (ino->mft_no == FILE_root) {
|
||
printf ("done\n");
|
||
return;
|
||
}
|
||
|
||
rec = find_first_attribute (AT_FILE_NAME, ino->mrec);
|
||
if (!rec)
|
||
return;
|
||
|
||
fn = (FILE_NAME_ATTR *) ((char *) rec + le16_to_cpu (rec->value_offset));
|
||
|
||
parent = ntfs_inode_open (ino->vol, fn->parent_directory);
|
||
if (parent) {
|
||
ntfs_inode_dir_map (parent);
|
||
ntfs_inode_close (parent);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* ntfs_inode_open2
|
||
*/
|
||
static ntfs_inode *ntfs_inode_open2 (ntfs_volume *vol, const MFT_REF mref)
|
||
{
|
||
ntfs_inode *ino = NULL;
|
||
struct ntfs_dir *dir;
|
||
|
||
if (!vol)
|
||
return NULL;
|
||
|
||
switch (mref) {
|
||
case FILE_Bitmap: ino = vol->lcnbmp_ni; break;
|
||
case FILE_MFT: ino = vol->mft_ni; break;
|
||
case FILE_MFTMirr: ino = vol->mftmirr_ni; break;
|
||
case FILE_root:
|
||
dir = vol->private_data;
|
||
if (dir)
|
||
ino = dir->inode;
|
||
break;
|
||
}
|
||
|
||
if (ino) {
|
||
//printf (BOLD YELLOW "inode reuse %lld\n" END, mref);
|
||
ino->ref_count++;
|
||
return ino;
|
||
}
|
||
|
||
ino = ntfs_inode_open (vol, mref);
|
||
if (!ino)
|
||
return NULL;
|
||
|
||
/*
|
||
if (mref != FILE_root)
|
||
ntfs_inode_dir_map (ino);
|
||
*/
|
||
|
||
// link
|
||
// ino->private_data
|
||
|
||
ino->private_data = NULL;
|
||
ino->ref_count = 1;
|
||
|
||
//printf (BOLD YELLOW "inode open %lld\n" END, mref);
|
||
return ino;
|
||
}
|
||
|
||
/**
|
||
* ntfs_inode_close2
|
||
*/
|
||
static int ntfs_inode_close2 (ntfs_inode *ni)
|
||
{
|
||
if (!ni)
|
||
return 0;
|
||
|
||
//printf (BOLD YELLOW "inode close %lld (%d)\n" END, ni->mft_no, ni->ref_count);
|
||
|
||
ni->ref_count--;
|
||
if (ni->ref_count > 0)
|
||
return 0;
|
||
|
||
// unlink
|
||
// ino->private_data
|
||
|
||
// XXX tempoarary until we have commit/rollback
|
||
NInoClearDirty(ni);
|
||
|
||
return ntfs_inode_close (ni);
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_dir_commit
|
||
*/
|
||
static int ntfs_dir_commit (struct ntfs_dir *dir)
|
||
{
|
||
int i;
|
||
|
||
if (!dir)
|
||
return 0;
|
||
|
||
printf ("commit dir inode %llu\n", dir->inode->mft_no);
|
||
if (NInoDirty (dir->inode)) {
|
||
#ifdef RM_WRITE
|
||
ntfs_inode_sync (dir->inode);
|
||
#endif
|
||
printf (RED "\tntfs_inode_sync %llu\n" END, dir->inode->mft_no);
|
||
}
|
||
|
||
if (ntfs_dt_commit (dir->index) < 0)
|
||
return -1;
|
||
|
||
if (ntfs_bmp_commit (dir->bitmap) < 0)
|
||
return -1;
|
||
|
||
for (i = 0; i < dir->child_count; i++) {
|
||
if (ntfs_dir_commit (dir->children[i]) < 0)
|
||
return -1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_rollback
|
||
*/
|
||
static int ntfs_dir_rollback (struct ntfs_dir *dir)
|
||
{
|
||
int i;
|
||
|
||
if (!dir)
|
||
return -1;
|
||
|
||
if (ntfs_dt_rollback (dir->index) < 0)
|
||
return -1;
|
||
|
||
if (ntfs_bmp_rollback (dir->bitmap) < 0)
|
||
return -1;
|
||
|
||
for (i = 0; i < dir->child_count; i++) {
|
||
if (ntfs_dir_rollback (dir->children[i]) < 0)
|
||
return -1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_free
|
||
*/
|
||
static void ntfs_dir_free (struct ntfs_dir *dir)
|
||
{
|
||
struct ntfs_dir *parent;
|
||
int i;
|
||
|
||
if (!dir)
|
||
return;
|
||
|
||
ntfs_dir_rollback (dir);
|
||
|
||
parent = dir->parent;
|
||
if (parent) {
|
||
for (i = 0; i < parent->child_count; i++) {
|
||
if (parent->children[i] == dir) {
|
||
parent->children[i] = NULL;
|
||
}
|
||
}
|
||
}
|
||
|
||
ntfs_attr_close (dir->iroot);
|
||
ntfs_attr_close (dir->ialloc);
|
||
ntfs_inode_close2 (dir->inode);
|
||
|
||
ntfs_dt_free (dir->index);
|
||
ntfs_bmp_free (dir->bitmap);
|
||
|
||
for (i = 0; i < dir->child_count; i++)
|
||
ntfs_dir_free (dir->children[i]);
|
||
|
||
free (dir->children);
|
||
free (dir);
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_alloc
|
||
*/
|
||
static struct ntfs_dir * ntfs_dir_alloc (ntfs_volume *vol, MFT_REF mft_num)
|
||
{
|
||
struct ntfs_dir *dir = NULL;
|
||
ntfs_inode *inode = NULL;
|
||
ATTR_RECORD *rec = NULL;
|
||
INDEX_ROOT *ir = NULL;
|
||
|
||
if (!vol)
|
||
return NULL;
|
||
|
||
//printf ("ntfs_dir_alloc %lld\n", MREF (mft_num));
|
||
inode = ntfs_inode_open2 (vol, mft_num);
|
||
if (!inode)
|
||
return NULL;
|
||
|
||
dir = calloc (1, sizeof (*dir));
|
||
if (!dir) {
|
||
ntfs_inode_close2 (inode);
|
||
return NULL;
|
||
}
|
||
|
||
dir->inode = inode;
|
||
dir->iroot = ntfs_attr_open (inode, AT_INDEX_ROOT, I30, 4);
|
||
dir->ialloc = ntfs_attr_open (inode, AT_INDEX_ALLOCATION, I30, 4);
|
||
|
||
dir->vol = vol;
|
||
dir->parent = NULL;
|
||
dir->name = NULL;
|
||
dir->name_len = 0;
|
||
dir->index = NULL;
|
||
dir->children = NULL;
|
||
dir->child_count = 0;
|
||
dir->mft_num = mft_num;
|
||
|
||
// This may not exist
|
||
dir->bitmap = ntfs_bmp_alloc (inode, AT_BITMAP, I30, 4);
|
||
|
||
if (dir->ialloc) {
|
||
rec = find_first_attribute (AT_INDEX_ROOT, inode->mrec);
|
||
ir = (INDEX_ROOT*) ((u8*)rec + rec->value_offset);
|
||
dir->index_size = ir->index_block_size;
|
||
} else {
|
||
dir->index_size = 0;
|
||
}
|
||
|
||
if (!dir->iroot) {
|
||
ntfs_dir_free (dir);
|
||
return NULL;
|
||
}
|
||
|
||
return dir;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_add
|
||
*/
|
||
static void ntfs_dir_add (struct ntfs_dir *parent, struct ntfs_dir *child)
|
||
{
|
||
if (!parent || !child)
|
||
return;
|
||
|
||
parent->child_count++;
|
||
//printf ("child count = %d\n", parent->child_count);
|
||
parent->children = realloc (parent->children, parent->child_count * sizeof (struct ntfs_dir*));
|
||
child->parent = parent;
|
||
|
||
parent->children[parent->child_count-1] = child;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_find
|
||
*/
|
||
static MFT_REF ntfs_dir_find (struct ntfs_dir *dir, char *name)
|
||
{
|
||
MFT_REF mft_num;
|
||
ntfschar *uname = NULL;
|
||
int len;
|
||
|
||
if (!dir || !name)
|
||
return -1;
|
||
|
||
len = ntfs_mbstoucs (name, &uname, 0);
|
||
if (len < 0)
|
||
return -1;
|
||
|
||
if (!dir->index)
|
||
dir->index = ntfs_dt_alloc (dir, NULL, -1);
|
||
|
||
//printf ("dir->index = %p\n", dir->index);
|
||
//printf ("dir->child_count = %d\n", dir->child_count);
|
||
//printf ("uname = %p\n", uname);
|
||
mft_num = ntfs_dt_find (dir->index, uname, len);
|
||
|
||
free (uname);
|
||
return mft_num;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_find2
|
||
*/
|
||
static struct ntfs_dir * ntfs_dir_find2 (struct ntfs_dir *dir, ntfschar *name, int name_len)
|
||
{
|
||
int i;
|
||
struct ntfs_dir *child = NULL;
|
||
struct ntfs_dt *dt = NULL;
|
||
int dt_num = 0;
|
||
INDEX_ENTRY *ie;
|
||
MFT_REF mft_num;
|
||
|
||
if (!dir || !name)
|
||
return NULL;
|
||
|
||
if (!dir->index) { // XXX when will this happen?
|
||
printf ("ntfs_dir_find2 - directory has no index\n");
|
||
return NULL;
|
||
}
|
||
|
||
for (i = 0; i < dir->child_count; i++) {
|
||
if (0 == ntfs_names_collate (name, name_len,
|
||
dir->children[i]->name,
|
||
dir->children[i]->name_len,
|
||
2, IGNORE_CASE,
|
||
dir->vol->upcase,
|
||
dir->vol->upcase_len))
|
||
return dir->children[i];
|
||
}
|
||
|
||
dt = ntfs_dt_find2 (dir->index, name, name_len, &dt_num);
|
||
if (!dt) {
|
||
printf ("can't find name in dir\n");
|
||
return NULL;
|
||
}
|
||
|
||
ie = dt->children[dt_num];
|
||
|
||
mft_num = ie->indexed_file;
|
||
|
||
child = ntfs_dir_alloc (dir->vol, mft_num);
|
||
if (!child)
|
||
return NULL;
|
||
|
||
child->index = ntfs_dt_alloc (child, NULL, -1);
|
||
|
||
ntfs_dir_add (dir, child);
|
||
|
||
return child;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dir_truncate
|
||
*/
|
||
static int ntfs_dir_truncate (ntfs_volume *vol, struct ntfs_dir *dir)
|
||
{
|
||
int i;
|
||
u8 *buffer;
|
||
|
||
if (!vol || !dir)
|
||
return -1;
|
||
|
||
if ((dir->ialloc == NULL) || (dir->bitmap == NULL))
|
||
return 0;
|
||
|
||
#if 0
|
||
printf ("alloc = %lld bytes\n", dir->ialloc->allocated_size);
|
||
printf ("alloc = %lld clusters\n", dir->ialloc->allocated_size >> vol->cluster_size_bits);
|
||
printf ("bitmap bytes 0 to %lld\n", ((dir->ialloc->allocated_size >> vol->cluster_size_bits)-1)>>3);
|
||
printf ("bitmap = %p\n", dir->bitmap);
|
||
printf ("bitmap = %lld bytes\n", dir->bitmap->attr->allocated_size);
|
||
#endif
|
||
|
||
buffer = ntfs_bmp_get_data (dir->bitmap, 0);
|
||
if (!buffer)
|
||
return -1;
|
||
|
||
//utils_dump_mem (buffer, 0, 8, DM_NO_ASCII);
|
||
for (i = 0; i < 1; i++) {
|
||
if (buffer[i]) {
|
||
//printf ("alloc in use\n");
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
// <dir>/$BITMAP($I30)
|
||
// <dir>/$INDEX_ALLOCATION($I30)
|
||
// $Bitmap
|
||
|
||
// Find the highest set bit in the directory bitmap
|
||
// can we free any clusters of the alloc?
|
||
// if yes, resize attribute
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
/**
|
||
* utils_volume_commit
|
||
*/
|
||
static int utils_volume_commit (ntfs_volume *vol)
|
||
{
|
||
if (!vol)
|
||
return -1;
|
||
|
||
printf ("commit volume\n");
|
||
if (ntfs_bmp_commit (vol->private_bmp1) < 0)
|
||
return -1;
|
||
|
||
if (ntfs_bmp_commit (vol->private_bmp2) < 0)
|
||
return -1;
|
||
|
||
if (ntfs_dir_commit (vol->private_data) < 0)
|
||
return -1;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* utils_volume_rollback
|
||
*/
|
||
static int utils_volume_rollback (ntfs_volume *vol)
|
||
{
|
||
if (!vol)
|
||
return -1;
|
||
|
||
if (ntfs_bmp_rollback (vol->private_bmp1) < 0)
|
||
return -1;
|
||
|
||
if (ntfs_bmp_rollback (vol->private_bmp2) < 0)
|
||
return -1;
|
||
|
||
if (ntfs_dir_rollback (vol->private_data) < 0)
|
||
return -1;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_umount2
|
||
*/
|
||
static int ntfs_umount2 (ntfs_volume *vol, const BOOL force)
|
||
{
|
||
struct ntfs_dir *dir;
|
||
struct ntfs_bmp *bmp;
|
||
|
||
if (!vol)
|
||
return 0;
|
||
|
||
utils_volume_rollback (vol);
|
||
|
||
dir = (struct ntfs_dir *) vol->private_data;
|
||
vol->private_data = NULL;
|
||
ntfs_dir_free (dir);
|
||
|
||
bmp = (struct ntfs_bmp *) vol->private_bmp1;
|
||
vol->private_bmp1 = NULL;
|
||
ntfs_bmp_free (bmp);
|
||
|
||
bmp = (struct ntfs_bmp *) vol->private_bmp2;
|
||
vol->private_bmp2 = NULL;
|
||
ntfs_bmp_free (bmp);
|
||
|
||
return ntfs_umount (vol, force);
|
||
}
|
||
|
||
/**
|
||
* utils_mount_volume2
|
||
*/
|
||
static ntfs_volume * utils_mount_volume2 (const char *device, unsigned long flags, BOOL force)
|
||
{
|
||
// XXX can we replace these and search by mft number? Hmm... NO.
|
||
static ntfschar bmp[8] = {
|
||
const_cpu_to_le16('$'),
|
||
const_cpu_to_le16('B'),
|
||
const_cpu_to_le16('i'),
|
||
const_cpu_to_le16('t'),
|
||
const_cpu_to_le16('m'),
|
||
const_cpu_to_le16('a'),
|
||
const_cpu_to_le16('p'),
|
||
const_cpu_to_le16(0)
|
||
};
|
||
|
||
static ntfschar mft[5] = {
|
||
const_cpu_to_le16('$'),
|
||
const_cpu_to_le16('M'),
|
||
const_cpu_to_le16('F'),
|
||
const_cpu_to_le16('T'),
|
||
const_cpu_to_le16(0)
|
||
};
|
||
|
||
static ntfschar mftmirr[9] = {
|
||
const_cpu_to_le16('$'),
|
||
const_cpu_to_le16('M'),
|
||
const_cpu_to_le16('F'),
|
||
const_cpu_to_le16('T'),
|
||
const_cpu_to_le16('M'),
|
||
const_cpu_to_le16('i'),
|
||
const_cpu_to_le16('r'),
|
||
const_cpu_to_le16('r'),
|
||
const_cpu_to_le16(0)
|
||
};
|
||
|
||
static ntfschar dot[2] = {
|
||
const_cpu_to_le16('.'),
|
||
const_cpu_to_le16(0)
|
||
};
|
||
|
||
ntfs_volume *vol;
|
||
struct ntfs_dir *dir;
|
||
struct ntfs_dt *root;
|
||
struct ntfs_dt *found;
|
||
int num;
|
||
|
||
vol = utils_mount_volume (device, flags, force);
|
||
if (!vol)
|
||
return NULL;
|
||
|
||
vol->lcnbmp_ni ->ref_count = 1;
|
||
vol->mft_ni ->ref_count = 1;
|
||
vol->mftmirr_ni->ref_count = 1;
|
||
|
||
vol->lcnbmp_ni ->private_data = NULL;
|
||
vol->mft_ni ->private_data = NULL;
|
||
vol->mftmirr_ni->private_data = NULL;
|
||
|
||
dir = ntfs_dir_alloc (vol, FILE_root);
|
||
if (!dir) {
|
||
ntfs_umount2 (vol, FALSE);
|
||
vol = NULL;
|
||
goto done;
|
||
}
|
||
|
||
dir->index = ntfs_dt_alloc (dir, NULL, -1);
|
||
|
||
root = dir->index;
|
||
|
||
//$Bitmap
|
||
num = -1;
|
||
found = ntfs_dt_find2 (root, bmp, 7, &num);
|
||
if ((!found) || (num < 0)) {
|
||
printf ("can't find $Bitmap\n");
|
||
ntfs_umount2 (vol, FALSE);
|
||
vol = NULL;
|
||
goto done;
|
||
}
|
||
vol->lcnbmp_ni->ref_count++;
|
||
vol->lcnbmp_ni->private_data = found->dir;
|
||
found->inodes[num] = vol->lcnbmp_ni;
|
||
|
||
//$MFT
|
||
num = -1;
|
||
found = ntfs_dt_find2 (root, mft, 4, &num);
|
||
if ((!found) || (num < 0)) {
|
||
printf ("can't find $MFT\n");
|
||
ntfs_umount2 (vol, FALSE);
|
||
vol = NULL;
|
||
goto done;
|
||
}
|
||
vol->mft_ni->ref_count++;
|
||
vol->mft_ni->private_data = found->dir;
|
||
found->inodes[num] = vol->mft_ni;
|
||
|
||
//$MFTMirr
|
||
num = -1;
|
||
found = ntfs_dt_find2 (root, mftmirr, 8, &num);
|
||
if ((!found) || (num < 0)) {
|
||
printf ("can't find $MFTMirr\n");
|
||
ntfs_umount2 (vol, FALSE);
|
||
vol = NULL;
|
||
goto done;
|
||
}
|
||
vol->mftmirr_ni->ref_count++;
|
||
vol->mftmirr_ni->private_data = found->dir;
|
||
found->inodes[num] = vol->mftmirr_ni;
|
||
|
||
// root directory
|
||
num = -1;
|
||
found = ntfs_dt_find2 (root, dot, 1, &num);
|
||
if ((!found) || (num < 0)) {
|
||
printf ("can't find the root directory\n");
|
||
ntfs_umount2 (vol, FALSE);
|
||
vol = NULL;
|
||
goto done;
|
||
}
|
||
|
||
vol->private_data = found->dir;
|
||
found->inodes[num] = dir->inode;
|
||
dir->inode->private_data = found;
|
||
dir->inode->ref_count = 2;
|
||
|
||
vol->private_bmp1 = ntfs_bmp_alloc (vol->mft_ni, AT_BITMAP, NULL, 0);
|
||
vol->private_bmp2 = ntfs_bmp_alloc (vol->lcnbmp_ni, AT_DATA, NULL, 0);
|
||
|
||
if (!vol->private_bmp1 || !vol->private_bmp2) {
|
||
printf ("can't find the bitmaps\n");
|
||
ntfs_umount2 (vol, FALSE);
|
||
vol = NULL;
|
||
goto done;
|
||
}
|
||
|
||
done:
|
||
return vol;
|
||
}
|
||
|
||
|
||
/**
|
||
* utils_pathname_to_mftref
|
||
*/
|
||
static MFT_REF utils_pathname_to_mftref (ntfs_volume *vol, struct ntfs_dir *parent, const char *pathname, struct ntfs_dir **finddir)
|
||
{
|
||
MFT_REF mft_num;
|
||
MFT_REF result = -1;
|
||
char *p, *q;
|
||
char *ascii = NULL;
|
||
struct ntfs_dir *dir = NULL;
|
||
|
||
if (!vol || !parent || !pathname) {
|
||
errno = EINVAL;
|
||
return -1;
|
||
}
|
||
|
||
ascii = strdup (pathname); // Work with a r/w copy
|
||
if (!ascii) {
|
||
Eprintf ("Out of memory.\n");
|
||
goto close;
|
||
}
|
||
|
||
p = ascii;
|
||
while (p && *p && *p == PATH_SEP) // Remove leading /'s
|
||
p++;
|
||
while (p && *p) {
|
||
q = strchr (p, PATH_SEP); // Find the end of the first token
|
||
if (q != NULL) {
|
||
*q = '\0';
|
||
q++;
|
||
}
|
||
|
||
//printf ("looking for %s in %p\n", p, parent);
|
||
mft_num = ntfs_dir_find (parent, p);
|
||
if (mft_num == (u64)-1) {
|
||
Eprintf ("Couldn't find name '%s' in pathname '%s'.\n", p, pathname);
|
||
goto close;
|
||
}
|
||
|
||
if (q) {
|
||
dir = ntfs_dir_alloc (vol, mft_num);
|
||
if (!dir) {
|
||
Eprintf ("Couldn't allocate a new directory (%lld).\n", mft_num);
|
||
goto close;
|
||
}
|
||
|
||
ntfs_dir_add (parent, dir);
|
||
parent = dir;
|
||
} else {
|
||
//printf ("file %s\n", p);
|
||
result = mft_num;
|
||
if (finddir)
|
||
*finddir = dir ? dir : parent;
|
||
break;
|
||
}
|
||
|
||
p = q;
|
||
while (p && *p && *p == PATH_SEP)
|
||
p++;
|
||
}
|
||
|
||
close:
|
||
free (ascii); // from strdup
|
||
return result;
|
||
}
|
||
|
||
/**
|
||
* utils_mftrec_mark_free
|
||
*/
|
||
static int utils_mftrec_mark_free (ntfs_volume *vol, MFT_REF mref)
|
||
{
|
||
static u8 buffer[512];
|
||
static s64 bmpmref = -sizeof (buffer) - 1; /* Which bit of $BITMAP is in the buffer */
|
||
|
||
int byte, bit;
|
||
|
||
if (!vol) {
|
||
errno = EINVAL;
|
||
return -1;
|
||
}
|
||
|
||
mref = MREF (mref);
|
||
//printf ("mref = %lld\n", mref);
|
||
/* Does mref lie in the section of $Bitmap we already have cached? */
|
||
if (((s64)mref < bmpmref) || ((s64)mref >= (bmpmref +
|
||
(sizeof (buffer) << 3)))) {
|
||
Dprintf ("Bit lies outside cache.\n");
|
||
|
||
/* Mark the buffer as not in use, in case the read is shorter. */
|
||
memset (buffer, 0, sizeof (buffer));
|
||
bmpmref = mref & (~((sizeof (buffer) << 3) - 1));
|
||
|
||
if (ntfs_attr_pread (vol->mftbmp_na, (bmpmref>>3), sizeof (buffer), buffer) < 0) {
|
||
Eprintf ("Couldn't read $MFT/$BITMAP: %s\n", strerror (errno));
|
||
return -1;
|
||
}
|
||
|
||
Dprintf ("Reloaded bitmap buffer.\n");
|
||
}
|
||
|
||
bit = 1 << (mref & 7);
|
||
byte = (mref >> 3) & (sizeof (buffer) - 1);
|
||
Dprintf ("cluster = %lld, bmpmref = %lld, byte = %d, bit = %d, in use %d\n",
|
||
mref, bmpmref, byte, bit, buffer[byte] & bit);
|
||
|
||
if ((buffer[byte] & bit) == 0) {
|
||
Eprintf ("MFT record isn't in use (1).\n");
|
||
return -1;
|
||
}
|
||
|
||
//utils_dump_mem (buffer, byte, 1, DM_NO_ASCII);
|
||
buffer[byte] &= ~bit;
|
||
//utils_dump_mem (buffer, byte, 1, DM_NO_ASCII);
|
||
|
||
if (ntfs_attr_pwrite (vol->mftbmp_na, (bmpmref>>3), sizeof (buffer), buffer) < 0) {
|
||
Eprintf ("Couldn't write $MFT/$BITMAP: %s\n", strerror (errno));
|
||
return -1;
|
||
}
|
||
|
||
return (buffer[byte] & bit);
|
||
}
|
||
|
||
/**
|
||
* utils_mftrec_mark_free2
|
||
*/
|
||
static int utils_mftrec_mark_free2 (ntfs_volume *vol, MFT_REF mref)
|
||
{
|
||
u8 buffer[1024];
|
||
s64 res;
|
||
MFT_RECORD *rec;
|
||
|
||
if (!vol)
|
||
return -1;
|
||
|
||
mref = MREF (mref);
|
||
rec = (MFT_RECORD*) buffer;
|
||
|
||
res = ntfs_mft_record_read (vol, mref, rec);
|
||
printf ("res = %lld\n", res);
|
||
|
||
if ((rec->flags & MFT_RECORD_IN_USE) == 0) {
|
||
Eprintf ("MFT record isn't in use (2).\n");
|
||
return -1;
|
||
}
|
||
|
||
rec->flags &= ~MFT_RECORD_IN_USE;
|
||
|
||
//printf ("\n");
|
||
//utils_dump_mem (buffer, 0, 1024, DM_DEFAULTS);
|
||
|
||
res = ntfs_mft_record_write (vol, mref, rec);
|
||
printf ("res = %lld\n", res);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* utils_mftrec_mark_free3
|
||
*/
|
||
static int utils_mftrec_mark_free3 (struct ntfs_bmp *bmp, MFT_REF mref)
|
||
{
|
||
return ntfs_bmp_set_range (bmp, (VCN) MREF (mref), 1, 0);
|
||
}
|
||
|
||
/**
|
||
* utils_mftrec_mark_free4
|
||
*/
|
||
static int utils_mftrec_mark_free4 (ntfs_inode *inode)
|
||
{
|
||
MFT_RECORD *rec;
|
||
|
||
if (!inode)
|
||
return -1;
|
||
|
||
rec = (MFT_RECORD*) inode->mrec;
|
||
|
||
if ((rec->flags & MFT_RECORD_IN_USE) == 0) {
|
||
Eprintf ("MFT record isn't in use (3).\n");
|
||
return -1;
|
||
}
|
||
|
||
rec->flags &= ~MFT_RECORD_IN_USE;
|
||
|
||
//printf ("\n");
|
||
//utils_dump_mem (buffer, 0, 1024, DM_DEFAULTS);
|
||
|
||
printf (GREEN "Modified: inode %lld MFT_RECORD header\n" END, inode->mft_no);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* utils_mftrec_mark_free5
|
||
*/
|
||
static int utils_mftrec_mark_free5 (ntfs_inode *inode, struct ntfs_bmp *bmp, MFT_REF mref)
|
||
{
|
||
MFT_RECORD *rec;
|
||
|
||
if (!inode)
|
||
return -1;
|
||
|
||
if (ntfs_bmp_set_range (bmp, (VCN) MREF (mref), 1, 0) < 0)
|
||
return -1;
|
||
|
||
rec = (MFT_RECORD*) inode->mrec;
|
||
|
||
// XXX extent inodes?
|
||
if ((rec->flags & MFT_RECORD_IN_USE) == 0) {
|
||
Eprintf ("MFT record isn't in use (4).\n");
|
||
return -1;
|
||
}
|
||
|
||
rec->flags &= ~MFT_RECORD_IN_USE;
|
||
//printf ("inode %llu, %lu\n", inode->mft_no, inode->state);
|
||
NInoSetDirty(inode);
|
||
//printf ("inode %llu, %lu\n", inode->mft_no, inode->state);
|
||
|
||
//printf ("\n");
|
||
//utils_dump_mem (buffer, 0, 1024, DM_DEFAULTS);
|
||
|
||
printf (GREEN "Modified: inode %lld MFT_RECORD header\n" END, inode->mft_no);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* utils_free_non_residents
|
||
*/
|
||
static int utils_free_non_residents (ntfs_inode *inode)
|
||
{
|
||
// XXX need to do this in memory
|
||
|
||
ntfs_attr_search_ctx *ctx;
|
||
ntfs_attr *na;
|
||
ATTR_RECORD *arec;
|
||
|
||
if (!inode)
|
||
return -1;
|
||
|
||
ctx = ntfs_attr_get_search_ctx (NULL, inode->mrec);
|
||
if (!ctx) {
|
||
printf ("can't create a search context\n");
|
||
return -1;
|
||
}
|
||
|
||
while (ntfs_attr_lookup(AT_UNUSED, NULL, 0, 0, 0, NULL, 0, ctx) == 0) {
|
||
arec = ctx->attr;
|
||
if (arec->non_resident) {
|
||
na = ntfs_attr_open (inode, arec->type, NULL, 0);
|
||
if (na) {
|
||
runlist_element *rl;
|
||
LCN size;
|
||
LCN count;
|
||
ntfs_attr_map_whole_runlist (na);
|
||
rl = na->rl;
|
||
size = na->allocated_size >> inode->vol->cluster_size_bits;
|
||
for (count = 0; count < size; count += rl->length, rl++) {
|
||
//printf ("rl(%llu,%llu,%lld)\n", rl->vcn, rl->lcn, rl->length);
|
||
//printf ("freed %d\n", ntfs_cluster_free (inode->vol, na, rl->vcn, rl->length));
|
||
ntfs_cluster_free (inode->vol, na, rl->vcn, rl->length);
|
||
}
|
||
ntfs_attr_close (na);
|
||
}
|
||
}
|
||
}
|
||
|
||
ntfs_attr_put_search_ctx (ctx);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* utils_free_non_residents2
|
||
*/
|
||
static int utils_free_non_residents2 (ntfs_inode *inode, struct ntfs_bmp *bmp)
|
||
{
|
||
ntfs_attr_search_ctx *ctx;
|
||
ntfs_attr *na;
|
||
ATTR_RECORD *arec;
|
||
|
||
if (!inode)
|
||
return -1;
|
||
|
||
ctx = ntfs_attr_get_search_ctx (NULL, inode->mrec);
|
||
if (!ctx) {
|
||
printf ("can't create a search context\n");
|
||
return -1;
|
||
}
|
||
|
||
while (ntfs_attr_lookup(AT_UNUSED, NULL, 0, 0, 0, NULL, 0, ctx) == 0) {
|
||
arec = ctx->attr;
|
||
if (arec->non_resident) {
|
||
na = ntfs_attr_open (inode, arec->type, NULL, 0);
|
||
if (na) {
|
||
runlist_element *rl;
|
||
LCN size;
|
||
LCN count;
|
||
ntfs_attr_map_whole_runlist (na);
|
||
rl = na->rl;
|
||
size = na->allocated_size >> inode->vol->cluster_size_bits;
|
||
for (count = 0; count < size; count += rl->length, rl++) {
|
||
if (ntfs_bmp_set_range (bmp, rl->lcn, rl->length, 0) < 0) {
|
||
printf (RED "set range : %lld - %lld FAILED\n" END, rl->lcn, rl->lcn+rl->length-1);
|
||
}
|
||
}
|
||
ntfs_attr_close (na);
|
||
}
|
||
}
|
||
}
|
||
|
||
ntfs_attr_put_search_ctx (ctx);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* utils_pathname_to_inode2
|
||
*/
|
||
static BOOL utils_pathname_to_inode2 (ntfs_volume *vol, struct ntfs_dir *parent, const char *pathname, struct ntfs_find *found)
|
||
{
|
||
int len;
|
||
char *p, *q;
|
||
ntfschar *unicode = NULL;
|
||
char *ascii = NULL;
|
||
struct ntfs_dir *dir = NULL;
|
||
struct ntfs_dir *child = NULL;
|
||
struct ntfs_dt *dt = NULL;
|
||
int dt_num;
|
||
BOOL result = FALSE;
|
||
|
||
if (!vol || !pathname || !found) {
|
||
errno = EINVAL;
|
||
return FALSE;
|
||
}
|
||
|
||
memset (found, 0, sizeof (*found));
|
||
|
||
if (parent) {
|
||
dir = parent;
|
||
} else {
|
||
dir = (struct ntfs_dir *) vol->private_data;
|
||
if (!dir) {
|
||
Eprintf ("Couldn't open the inode of the root directory.\n");
|
||
goto close;
|
||
}
|
||
}
|
||
|
||
unicode = malloc (MAX_PATH * sizeof (ntfschar));
|
||
ascii = strdup (pathname); // Work with a r/w copy
|
||
if (!unicode || !ascii) {
|
||
Eprintf ("Out of memory.\n");
|
||
goto close;
|
||
}
|
||
|
||
p = ascii;
|
||
while (p && *p && *p == PATH_SEP) // Remove leading /'s
|
||
p++;
|
||
while (p && *p) {
|
||
q = strchr (p, PATH_SEP); // Find the end of the first token
|
||
if (q != NULL) {
|
||
*q = '\0';
|
||
q++;
|
||
}
|
||
|
||
len = ntfs_mbstoucs (p, &unicode, MAX_PATH);
|
||
if (len < 0) {
|
||
Eprintf ("Couldn't convert name to Unicode: %s.\n", p);
|
||
goto close;
|
||
}
|
||
|
||
//printf ("looking for %s\n", p);
|
||
if (q) {
|
||
child = ntfs_dir_find2 (dir, unicode, len);
|
||
if (!child) {
|
||
printf ("can't find %s in %s\n", p, pathname);
|
||
break;
|
||
}
|
||
} else {
|
||
//printf ("file: %s\n", p);
|
||
|
||
dt = ntfs_dt_find2 (dir->index, unicode, len, &dt_num);
|
||
|
||
if (dt->inodes[dt_num] == NULL) {
|
||
dt->inodes[dt_num] = ntfs_inode_open (dir->vol, dt->children[dt_num]->indexed_file);
|
||
if (!dt->inodes[dt_num]) {
|
||
printf ("Can't open inode %lld\n", MREF (dt->children[dt_num]->indexed_file));
|
||
goto close;
|
||
}
|
||
dt->inodes[dt_num]->ref_count = 2;
|
||
dt->inodes[dt_num]->private_data = dt;
|
||
}
|
||
|
||
//printf ("dt = %p,%d\n", dt, dt_num);
|
||
|
||
break;
|
||
}
|
||
|
||
dir = child;
|
||
child = NULL;
|
||
p = q;
|
||
while (p && *p && *p == PATH_SEP)
|
||
p++;
|
||
}
|
||
|
||
found->dir = dir;
|
||
found->dt = dt;
|
||
found->dt_index = dt_num;
|
||
found->inode = dt->inodes[dt_num];
|
||
found->mref = found->inode->mft_no;
|
||
result = TRUE;
|
||
//printf ("dir %p, dt %p, num %d, ino %p, %lld\n", dir, dt, dt_num, dt->inodes[dt_num], MREF (found->inode->mft_no));
|
||
close:
|
||
free (ascii); // from strdup
|
||
free (unicode);
|
||
return result;
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_mft_resize_resident
|
||
*/
|
||
static int ntfs_mft_resize_resident (ntfs_inode *inode, ATTR_TYPES type, ntfschar *name, int name_len, u8 *data, int data_len)
|
||
{
|
||
int mft_size;
|
||
int mft_usage;
|
||
int mft_free;
|
||
int attr_orig;
|
||
int attr_new;
|
||
u8 *src;
|
||
u8 *dst;
|
||
u8 *end;
|
||
int len;
|
||
ntfs_attr_search_ctx *ctx = NULL;
|
||
ATTR_RECORD *arec = NULL;
|
||
MFT_RECORD *mrec = NULL;
|
||
int res = -1;
|
||
|
||
// XXX only works when attr is in base inode
|
||
|
||
if ((!inode) || (!inode->mrec))
|
||
return -1;
|
||
if ((!data) || (data_len < 0))
|
||
return -1;
|
||
|
||
mrec = inode->mrec;
|
||
|
||
mft_size = mrec->bytes_allocated;
|
||
mft_usage = mrec->bytes_in_use;
|
||
mft_free = mft_size - mft_usage;
|
||
|
||
//printf ("mft_size = %d\n", mft_size);
|
||
//printf ("mft_usage = %d\n", mft_usage);
|
||
//printf ("mft_free = %d\n", mft_free);
|
||
//printf ("\n");
|
||
|
||
ctx = ntfs_attr_get_search_ctx (NULL, mrec);
|
||
if (!ctx)
|
||
goto done;
|
||
|
||
if (ntfs_attr_lookup(type, name, name_len, CASE_SENSITIVE, 0, NULL, 0, ctx) != 0)
|
||
goto done;
|
||
|
||
arec = ctx->attr;
|
||
|
||
if (arec->non_resident) {
|
||
printf ("attribute isn't resident\n");
|
||
goto done;
|
||
}
|
||
|
||
attr_orig = arec->value_length;
|
||
attr_new = data_len;
|
||
|
||
//printf ("attr orig = %d\n", attr_orig);
|
||
//printf ("attr new = %d\n", attr_new);
|
||
//printf ("\n");
|
||
|
||
if ((attr_new - attr_orig + mft_usage) > mft_size) {
|
||
printf ("attribute won't fit into mft record\n");
|
||
goto done;
|
||
}
|
||
|
||
//printf ("new free space = %d\n", mft_size - (attr_new - attr_orig + mft_usage));
|
||
|
||
src = (u8*)arec + arec->length;
|
||
dst = src + (attr_new - attr_orig);
|
||
end = (u8*)mrec + mft_usage;
|
||
len = end - src;
|
||
|
||
//printf ("src = %d\n", src - (u8*)mrec);
|
||
//printf ("dst = %d\n", dst - (u8*)mrec);
|
||
//printf ("end = %d\n", end - (u8*)mrec);
|
||
//printf ("len = %d\n", len);
|
||
|
||
if (src != dst)
|
||
memmove (dst, src, len);
|
||
|
||
memcpy ((u8*)arec + arec->value_offset, data, data_len);
|
||
|
||
mrec->bytes_in_use += (attr_new - attr_orig);
|
||
arec->length += (attr_new - attr_orig);
|
||
arec->value_length += (attr_new - attr_orig);
|
||
|
||
memset ((u8*)mrec + mrec->bytes_in_use, 0, mft_size - mrec->bytes_in_use);
|
||
|
||
mft_usage += (attr_new - attr_orig);
|
||
//utils_dump_mem ((u8*) mrec, 0, mft_size, DM_DEFAULTS);
|
||
res = 0;
|
||
done:
|
||
ntfs_attr_put_search_ctx (ctx);
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* ntfs_mft_free_space
|
||
*/
|
||
static int ntfs_mft_free_space (struct ntfs_dir *dir)
|
||
{
|
||
int res = 0;
|
||
MFT_RECORD *mft;
|
||
|
||
if ((!dir) || (!dir->inode))
|
||
return -1;
|
||
|
||
mft = (MFT_RECORD*) dir->inode->mrec;
|
||
|
||
res = mft->bytes_allocated - mft->bytes_in_use;
|
||
|
||
return res;
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfs_dt_root_replace
|
||
*/
|
||
static int ntfs_dt_root_replace (struct ntfs_dt *del, int del_num, INDEX_ENTRY *del_ie, INDEX_ENTRY *suc_ie)
|
||
{
|
||
u8 *src;
|
||
u8 *dst;
|
||
u8 *attr;
|
||
int len;
|
||
int i;
|
||
|
||
if (!del || !del_ie || !suc_ie)
|
||
return FALSE;
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
attr = malloc (del->data_len + suc_ie->length - del_ie->length);
|
||
|
||
dst = attr;
|
||
src = del->data;
|
||
len = (u8*) del_ie - del->data;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
dst += len;
|
||
src = (u8*) suc_ie;
|
||
len = suc_ie->length;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
dst += len;
|
||
src = (u8*) del_ie + del_ie->length;
|
||
len = del->data_len + (del->data - (u8*) del_ie) - del_ie->length;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
src = (u8*) del->data;
|
||
dst = attr;
|
||
|
||
len = del->data_len + suc_ie->length - del_ie->length;
|
||
free (del->data);
|
||
del->data = attr;
|
||
del->data_len = len;
|
||
|
||
ntfs_mft_resize_resident (del->dir->inode, AT_INDEX_ROOT, I30, 4, del->data, del->data_len);
|
||
|
||
//utils_dump_mem (attr, 0, del->data_len, DM_DEFAULTS);
|
||
|
||
//printf ("\n");
|
||
//printf (BOLD YELLOW "Adjust children\n" END);
|
||
//for (i = 0; i < del->child_count; i++)
|
||
// printf ("\tChild %d %p %d\n", i, del->children[i], del->children[i]->flags);
|
||
//printf ("\n");
|
||
|
||
len = suc_ie->length - del_ie->length;
|
||
//printf ("src = %p, dst = %p, len = %d\n", src, dst, len); fflush (stdout);
|
||
|
||
for (i = 0; i < del->child_count; i++)
|
||
del->children[i] = (INDEX_ENTRY*) (dst + ((u8*) del->children[i] - src));
|
||
|
||
for (i = del_num+1; i < del->child_count; i++)
|
||
del->children[i] = (INDEX_ENTRY*) ((u8*) del->children[i] + len);
|
||
|
||
//for (i = 0; i < del->child_count; i++)
|
||
// printf ("\tChild %d %p %d\n", i, del->children[i], del->children[i]->flags);
|
||
//printf ("\n");
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
del->changed = TRUE;
|
||
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ROOT\n" END, del->dir->inode->mft_no);
|
||
return TRUE;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_alloc_replace
|
||
*/
|
||
static BOOL ntfs_dt_alloc_replace (struct ntfs_dt *del, int del_num, INDEX_ENTRY *del_ie, INDEX_ENTRY *suc_ie)
|
||
{
|
||
u8 *src;
|
||
u8 *dst;
|
||
int len;
|
||
int i;
|
||
|
||
if (!del || !del_ie || !suc_ie)
|
||
return FALSE;
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_DEFAULTS);
|
||
|
||
src = (u8*) del_ie + del_ie->length;
|
||
dst = (u8*) del_ie + suc_ie->length;
|
||
len = del->header->index_length + 24 + (del->data - src);
|
||
//printf ("src = %d\n", src - del->data);
|
||
//printf ("dst = %d\n", dst - del->data);
|
||
//printf ("len = %d\n", len);
|
||
|
||
if (src != dst)
|
||
memmove (dst, src, len);
|
||
|
||
src = (u8*) suc_ie;
|
||
dst = (u8*) del_ie;
|
||
len = suc_ie->length;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_DEFAULTS);
|
||
|
||
del->header->index_length += suc_ie->length - del_ie->length;
|
||
|
||
dst = del->data + del->header->index_length + 24;
|
||
len = del->data_len - del->header->index_length - 24;
|
||
|
||
memset (dst, 0, len);
|
||
|
||
//for (i = 0; i < del->child_count; i++)
|
||
// printf ("Child %d %p\n", i, del->children[i]);
|
||
//printf ("\n");
|
||
|
||
len = suc_ie->length - del_ie->length;
|
||
//printf ("len = %d\n", len);
|
||
|
||
for (i = del_num+1; i < del->child_count; i++)
|
||
del->children[i] = (INDEX_ENTRY*) ((u8*) del->children[i] + len);
|
||
|
||
//for (i = 0; i < del->child_count; i++)
|
||
// printf ("Child %d %p\n", i, del->children[i]);
|
||
//printf ("\n");
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_DEFAULTS);
|
||
|
||
del->changed = TRUE;
|
||
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ALLOCATION vcn %lld-%lld\n" END, del->dir->inode->mft_no, del->vcn, del->vcn + (del->dir->index_size>>9) - 1);
|
||
return TRUE;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_root_remove
|
||
*/
|
||
static BOOL ntfs_dt_root_remove (struct ntfs_dt *del, int del_num)
|
||
{
|
||
INDEX_ENTRY *del_ie = NULL;
|
||
u8 *src;
|
||
u8 *dst;
|
||
u8 *old;
|
||
int len;
|
||
int del_len;
|
||
int i;
|
||
//int off;
|
||
|
||
if (!del)
|
||
return FALSE;
|
||
|
||
//utils_dump_mem (del->data, 0, del->header->index_length+16, DM_RED);
|
||
//printf ("\n");
|
||
|
||
#if 0
|
||
off = (u8*) del->children[0] - del->data;
|
||
for (i = 0; i < del->child_count; i++) {
|
||
del_ie = del->children[i];
|
||
|
||
printf ("%2d %4d ", i+1, off);
|
||
off += del_ie->length;
|
||
|
||
if (del_ie->flags & INDEX_ENTRY_END) {
|
||
printf ("END (%d)\n", del_ie->length);
|
||
break;
|
||
}
|
||
|
||
ntfs_name_print (del_ie->key.file_name.file_name, del_ie->key.file_name.file_name_length);
|
||
printf (" (%d)\n", del_ie->length);
|
||
}
|
||
printf ("total = %d\n", off);
|
||
#endif
|
||
|
||
del_ie = del->children[del_num];
|
||
del_len = del_ie->length;
|
||
|
||
src = (u8*) del_ie + del_len;
|
||
dst = (u8*) del_ie;
|
||
len = del->header->index_length + 16 - (src - del->data);
|
||
|
||
//printf ("src = %d\n", src - del->data);
|
||
//printf ("dst = %d\n", dst - del->data);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
del->data_len -= del_len;
|
||
del->child_count--;
|
||
|
||
del->header->index_length = del->data_len - 16;
|
||
del->header->allocated_size = del->data_len - 16;
|
||
|
||
ntfs_mft_resize_resident (del->dir->inode, AT_INDEX_ROOT, I30, 4, del->data, del->data_len);
|
||
old = del->data;
|
||
del->data = realloc (del->data, del->data_len);
|
||
del->header = (INDEX_HEADER*) (del->data + 0x10);
|
||
|
||
del->header->index_length -= del_len;
|
||
del->header->allocated_size -= del_len;
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_GREEN | DM_RED);
|
||
|
||
src = (u8*) (&del->children[del_num+1]);
|
||
dst = (u8*) (&del->children[del_num]);
|
||
len = (del->child_count - del_num) * sizeof (INDEX_ENTRY*);
|
||
|
||
//printf ("src = %d\n", src - (u8*) del->children);
|
||
//printf ("dst = %d\n", dst - (u8*) del->children);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
src = (u8*) (&del->sub_nodes[del_num+1]);
|
||
dst = (u8*) (&del->sub_nodes[del_num]);
|
||
len = (del->child_count - del_num) * sizeof (struct ntfs_dt*);
|
||
|
||
//printf ("src = %d\n", src - (u8*) del->children);
|
||
//printf ("dst = %d\n", dst - (u8*) del->children);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
//printf ("del_num = %d\n", del_num);
|
||
for (i = 0; i < del->child_count; i++)
|
||
del->children[i] = (INDEX_ENTRY*) ((u8*) del->children[i] - old + del->data);
|
||
for (i = del_num; i < del->child_count; i++)
|
||
del->children[i] = (INDEX_ENTRY*) ((u8*) del->children[i] - del_len);
|
||
|
||
if (!ntfs_dt_alloc_children2 (del, del->child_count))
|
||
return FALSE;
|
||
|
||
#if 0
|
||
off = (u8*) del->children[0] - del->data;
|
||
for (i = 0; i < del->child_count; i++) {
|
||
del_ie = del->children[i];
|
||
|
||
printf ("%2d %4d ", i+1, off);
|
||
off += del_len;
|
||
|
||
if (del_ie->flags & INDEX_ENTRY_END) {
|
||
printf ("END (%d)\n", del_len);
|
||
break;
|
||
}
|
||
|
||
ntfs_name_print (del_ie->key.file_name.file_name, del_ie->key.file_name.file_name_length);
|
||
printf (" (%d)\n", del_len);
|
||
}
|
||
printf ("total = %d\n", off);
|
||
#endif
|
||
|
||
//utils_dump_mem (del->data, 0, del->header->index_length+16, DM_DEFAULTS);
|
||
|
||
del->changed = TRUE;
|
||
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ROOT\n" END, del->dir->inode->mft_no);
|
||
return TRUE;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_alloc_remove
|
||
*/
|
||
static BOOL ntfs_dt_alloc_remove (struct ntfs_dt *del, int del_num)
|
||
{
|
||
INDEX_ENTRY *del_ie = NULL;
|
||
u8 *dst;
|
||
u8 *src;
|
||
int len;
|
||
int i;
|
||
//int off;
|
||
|
||
if (!del)
|
||
return FALSE;
|
||
|
||
#if 0
|
||
off = (u8*)del->children[0] - del->data;
|
||
for (i = 0; i < del->child_count; i++) {
|
||
del_ie = del->children[i];
|
||
|
||
printf ("%2d %4d ", i, off);
|
||
off += del_ie->length;
|
||
|
||
if (del_ie->flags & INDEX_ENTRY_END) {
|
||
printf ("END (%d)\n", del_ie->length);
|
||
break;
|
||
}
|
||
|
||
ntfs_name_print (del_ie->key.file_name.file_name, del_ie->key.file_name.file_name_length);
|
||
printf (" (%d)\n", del_ie->length);
|
||
}
|
||
printf ("total = %d\n", off);
|
||
printf ("\n");
|
||
#endif
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
del_ie = del->children[del_num];
|
||
|
||
src = (u8*) del_ie + del_ie->length;
|
||
dst = (u8*) del_ie;
|
||
len = del->header->index_length + 24 - (src - del->data);
|
||
|
||
//printf ("src = %d\n", src - del->data);
|
||
//printf ("dst = %d\n", dst - del->data);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
del->header->index_length -= src - dst;
|
||
del->child_count--;
|
||
|
||
dst += len;
|
||
len = del->data_len - del->header->index_length - 24;
|
||
|
||
//printf ("dst = %d\n", dst - del->data);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memset (dst, 0, len);
|
||
|
||
src = (u8*) (&del->children[del_num+1]);
|
||
dst = (u8*) (&del->children[del_num]);
|
||
len = (del->child_count - del_num) * sizeof (INDEX_ENTRY*);
|
||
|
||
//printf ("src = %d\n", src - (u8*) del->children);
|
||
//printf ("dst = %d\n", dst - (u8*) del->children);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
src = (u8*) (&del->sub_nodes[del_num+1]);
|
||
dst = (u8*) (&del->sub_nodes[del_num]);
|
||
len = (del->child_count - del_num) * sizeof (struct ntfs_dt*);
|
||
|
||
//printf ("src = %d\n", src - (u8*) del->children);
|
||
//printf ("dst = %d\n", dst - (u8*) del->children);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
//printf ("del_num = %d\n", del_num);
|
||
for (i = del_num; i < del->child_count; i++)
|
||
del->children[i] = (INDEX_ENTRY*) ((u8*) del->children[i] - del_ie->length);
|
||
|
||
if (!ntfs_dt_alloc_children2 (del, del->child_count))
|
||
return FALSE;
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_DEFAULTS);
|
||
|
||
#if 0
|
||
off = (u8*)del->children[0] - del->data;
|
||
for (i = 0; i < del->child_count; i++) {
|
||
del_ie = del->children[i];
|
||
|
||
printf ("%2d %4d ", i, off);
|
||
off += del_ie->length;
|
||
|
||
if (del_ie->flags & INDEX_ENTRY_END) {
|
||
printf ("END (%d)\n", del_ie->length);
|
||
break;
|
||
}
|
||
|
||
ntfs_name_print (del_ie->key.file_name.file_name, del_ie->key.file_name.file_name_length);
|
||
printf (" (%d)\n", del_ie->length);
|
||
}
|
||
printf ("total = %d\n", off);
|
||
printf ("\n");
|
||
#endif
|
||
|
||
del->changed = TRUE;
|
||
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ALLOCATION vcn %lld-%lld\n" END, del->dir->inode->mft_no, del->vcn, del->vcn + (del->dir->index_size>>9) - 1);
|
||
return TRUE;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_root_add
|
||
*/
|
||
static int ntfs_dt_root_add (struct ntfs_dt *add, INDEX_ENTRY *add_ie)
|
||
{
|
||
FILE_NAME_ATTR *file;
|
||
struct ntfs_dt *suc;
|
||
int suc_num;
|
||
int need;
|
||
int space;
|
||
u8 *attr;
|
||
u8 *src;
|
||
u8 *dst;
|
||
int len;
|
||
|
||
if (!add || !add_ie)
|
||
return 0;
|
||
|
||
//utils_dump_mem (add->data, 0, add->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
need = add_ie->length;
|
||
space = ntfs_mft_free_space (add->dir);
|
||
|
||
file = &add_ie->key.file_name;
|
||
|
||
suc = ntfs_dt_find3 (add, file->file_name, file->file_name_length, &suc_num);
|
||
if (!suc)
|
||
return 0;
|
||
|
||
// hmm, suc == add
|
||
|
||
printf ("need %d, have %d\n", need, space);
|
||
if (need > space) {
|
||
printf ("no room");
|
||
return 0;
|
||
}
|
||
|
||
attr = malloc (add->data_len + need);
|
||
|
||
src = add->data;
|
||
dst = attr;
|
||
len = add->header->entries_offset + 16;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
dst += len;
|
||
src = (u8*) add_ie;
|
||
len = add_ie->length;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
dst += len;
|
||
src = (u8*) suc->children[suc_num];
|
||
len = add->data + add->data_len - src;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
free (add->data);
|
||
add->data = attr;
|
||
add->data_len += need;
|
||
|
||
add->header->index_length = add->data_len - 16;
|
||
add->header->allocated_size = add->data_len - 16;
|
||
|
||
ntfs_mft_resize_resident (add->dir->inode, AT_INDEX_ROOT, I30, 4, add->data, add->data_len);
|
||
|
||
//utils_dump_mem (add->data, 0, add->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
add->changed = TRUE;
|
||
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ROOT\n" END, add->dir->inode->mft_no);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_alloc_add
|
||
*/
|
||
static int ntfs_dt_alloc_add (struct ntfs_dt *add, INDEX_ENTRY *add_ie)
|
||
{
|
||
FILE_NAME_ATTR *file;
|
||
struct ntfs_dt *suc_dt;
|
||
int suc_num;
|
||
int need;
|
||
int space;
|
||
u8 *src;
|
||
u8 *dst;
|
||
int len;
|
||
|
||
if (!add || !add_ie)
|
||
return 0;
|
||
|
||
need = add_ie->length;
|
||
space = add->data_len - add->header->index_length - 24;
|
||
|
||
file = &add_ie->key.file_name;
|
||
|
||
suc_dt = ntfs_dt_find3 (add, file->file_name, file->file_name_length, &suc_num);
|
||
if (!suc_dt)
|
||
return 0;
|
||
|
||
// hmm, suc_dt == add
|
||
|
||
printf ("need %d, have %d\n", need, space);
|
||
if (need > space) {
|
||
printf ("no room");
|
||
return 0;
|
||
}
|
||
|
||
//utils_dump_mem (add->data, 0, add->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
src = (u8*) suc_dt->children[suc_num];
|
||
dst = src + need;
|
||
len = add->data + add->data_len - src - space;
|
||
//printf ("src = %d\n", src - add->data);
|
||
//printf ("dst = %d\n", dst - add->data);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
dst = src;
|
||
src = (u8*) add_ie;
|
||
len = need;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
add->header->index_length += len;
|
||
|
||
dst = add->data + add->header->index_length + 24;
|
||
len = add->data_len - add->header->index_length - 24;
|
||
|
||
memset (dst, 0, len);
|
||
|
||
//utils_dump_mem (add->data, 0, add->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
add->changed = TRUE;
|
||
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ALLOCATION vcn %lld-%lld\n" END, add->dir->inode->mft_no, add->vcn, add->vcn + (add->dir->index_size>>9) - 1);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_remove_alloc
|
||
*/
|
||
static int ntfs_dt_remove_alloc (struct ntfs_dt *dt, int index_num)
|
||
{
|
||
INDEX_ENTRY *ie = NULL;
|
||
int i;
|
||
u8 *dst;
|
||
u8 *src;
|
||
u8 *end;
|
||
int off;
|
||
int len;
|
||
s64 res;
|
||
|
||
//printf ("removing entry %d of %d\n", index_num+1, dt->child_count);
|
||
//printf ("index size = %d\n", dt->data_len);
|
||
//printf ("index use = %d\n", dt->header->index_length);
|
||
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
|
||
off = (u8*)dt->children[0] - dt->data;
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
//printf ("%2d %4d ", i, off);
|
||
off += ie->length;
|
||
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
//printf ("END (%d)\n", ie->length);
|
||
break;
|
||
}
|
||
|
||
//ntfs_name_print (ie->key.file_name.file_name, ie->key.file_name.file_name_length);
|
||
//printf (" (%d)\n", ie->length);
|
||
}
|
||
//printf ("total = %d\n", off);
|
||
|
||
ie = dt->children[index_num];
|
||
dst = (u8*)ie;
|
||
|
||
src = dst + ie->length;
|
||
|
||
ie = dt->children[dt->child_count-1];
|
||
end = (u8*)ie + ie->length;
|
||
|
||
len = end - src;
|
||
|
||
//printf ("move %d bytes\n", len);
|
||
//printf ("%d, %d, %d\n", dst - dt->data, src - dt->data, len);
|
||
memmove (dst, src, len);
|
||
|
||
//printf ("clear %d bytes\n", dt->data_len - (dst - dt->data) - len);
|
||
//printf ("%d, %d, %d\n", dst - dt->data + len, 0, dt->data_len - (dst - dt->data) - len);
|
||
|
||
//ntfs_dt_print (dt->dir->index, 0);
|
||
|
||
memset (dst + len, 0, dt->data_len - (dst - dt->data) - len);
|
||
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
if (dt->sub_nodes[i]) {
|
||
printf ("this shouldn't happen %p\n", dt->sub_nodes[i]);
|
||
ntfs_dt_free (dt->sub_nodes[i]); // shouldn't be any, yet
|
||
}
|
||
}
|
||
|
||
free (dt->sub_nodes);
|
||
dt->sub_nodes = NULL;
|
||
free (dt->children);
|
||
dt->children = NULL;
|
||
dt->child_count = 0;
|
||
|
||
//printf ("before = %d\n", dt->header->index_length + 24);
|
||
dt->header->index_length -= src - dst;
|
||
//printf ("after = %d\n", dt->header->index_length + 24);
|
||
|
||
ntfs_dt_count_alloc (dt);
|
||
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
|
||
#if 0
|
||
//printf ("\n");
|
||
//printf ("index size = %d\n", dt->data_len);
|
||
//printf ("index use = %d\n", dt->header.index_length);
|
||
|
||
off = (u8*)dt->children[0] - dt->data;
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
printf ("%2d %4d ", i, off);
|
||
off += ie->length;
|
||
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
printf ("END (%d)\n", ie->length);
|
||
break;
|
||
}
|
||
|
||
ntfs_name_print (ie->key.file_name.file_name,
|
||
ie->key.file_name.file_name_length);
|
||
printf (" (%d)\n", ie->length);
|
||
}
|
||
#endif
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
res = ntfs_attr_mst_pwrite (dt->dir->ialloc, dt->vcn*512, 1, dt->data_len, dt->data);
|
||
printf ("res = %lld\n", res);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_remove_root
|
||
*/
|
||
static int ntfs_dt_remove_root (struct ntfs_dt *dt, int index_num)
|
||
{
|
||
INDEX_ENTRY *ie = NULL;
|
||
INDEX_ROOT *ir = NULL;
|
||
int i;
|
||
u8 *dst;
|
||
u8 *src;
|
||
u8 *end;
|
||
int off;
|
||
int len;
|
||
s64 res;
|
||
|
||
//printf ("removing entry %d of %d\n", index_num+1, dt->child_count);
|
||
//printf ("index size = %d\n", dt->data_len);
|
||
//printf ("index use = %d\n", dt->header->index_length);
|
||
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
|
||
off = (u8*)dt->children[0] - dt->data;
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
//printf ("%2d %4d ", i+1, off);
|
||
off += ie->length;
|
||
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
//printf ("END (%d)\n", ie->length);
|
||
break;
|
||
}
|
||
|
||
//ntfs_name_print (ie->key.file_name.file_name, ie->key.file_name.file_name_length);
|
||
//printf (" (%d)\n", ie->length);
|
||
}
|
||
//printf ("total = %d\n", off);
|
||
|
||
ie = dt->children[index_num];
|
||
dst = (u8*)ie;
|
||
|
||
src = dst + ie->length;
|
||
|
||
ie = dt->children[dt->child_count-1];
|
||
end = (u8*)ie + ie->length;
|
||
|
||
len = end - src;
|
||
|
||
//printf ("move %d bytes\n", len);
|
||
//printf ("%d, %d, %d\n", dst - dt->data, src - dt->data, len);
|
||
memmove (dst, src, len);
|
||
|
||
dt->data_len -= (src - dt->data - sizeof (INDEX_ROOT));
|
||
dt->child_count--;
|
||
|
||
ir = (INDEX_ROOT*) dt->data;
|
||
ir->index.index_length = dt->data_len - 16;
|
||
ir->index.allocated_size = dt->data_len - 16;
|
||
|
||
ntfs_mft_resize_resident (dt->dir->inode, AT_INDEX_ROOT, I30, 4, dt->data, dt->data_len);
|
||
dt->data = realloc (dt->data, dt->data_len);
|
||
|
||
//printf ("ih->index_length = %d\n", ir->index.index_length);
|
||
//printf ("ih->allocated_size = %d\n", ir->index.allocated_size);
|
||
//printf ("dt->data_len = %d\n", dt->data_len);
|
||
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
//ntfs_dt_print (dt->dir->index, 0);
|
||
#if 1
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
if (dt->sub_nodes[i]) {
|
||
printf ("this shouldn't happen %p\n", dt->sub_nodes[i]);
|
||
ntfs_dt_free (dt->sub_nodes[i]); // shouldn't be any, yet
|
||
}
|
||
}
|
||
|
||
free (dt->sub_nodes);
|
||
dt->sub_nodes = NULL;
|
||
free (dt->children);
|
||
dt->children = NULL;
|
||
dt->child_count = 0;
|
||
|
||
//printf ("before = %d\n", dt->header->index_length + 24);
|
||
dt->header->index_length -= src - dst;
|
||
//printf ("after = %d\n", dt->header->index_length + 24);
|
||
|
||
ntfs_dt_count_root (dt);
|
||
#endif
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
|
||
#if 0
|
||
//printf ("\n");
|
||
//printf ("index size = %d\n", dt->data_len);
|
||
//printf ("index use = %d\n", dt->header.index_length);
|
||
|
||
off = (u8*)dt->children[0] - dt->data;
|
||
for (i = 0; i < dt->child_count; i++) {
|
||
ie = dt->children[i];
|
||
|
||
printf ("%2d %4d ", i, off);
|
||
off += ie->length;
|
||
|
||
if (ie->flags & INDEX_ENTRY_END) {
|
||
printf ("END (%d)\n", ie->length);
|
||
break;
|
||
}
|
||
|
||
ntfs_name_print (ie->key.file_name.file_name,
|
||
ie->key.file_name.file_name_length);
|
||
printf (" (%d)\n", ie->length);
|
||
}
|
||
#endif
|
||
//utils_dump_mem (dt->data, 0, dt->data_len, DM_DEFAULTS);
|
||
|
||
res = ntfs_mft_record_write (dt->dir->inode->vol, dt->dir->inode->mft_no, dt->dir->inode->mrec);
|
||
printf ("res = %lld\n", res);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_remove
|
||
*/
|
||
static int ntfs_dt_remove (struct ntfs_dt *dt, int index_num)
|
||
{
|
||
if (!dt)
|
||
return 1;
|
||
if ((index_num < 0) || (index_num >= dt->child_count))
|
||
return 1;
|
||
|
||
if (ntfs_dt_root (dt))
|
||
return ntfs_dt_remove_root (dt, index_num);
|
||
else
|
||
return ntfs_dt_remove_alloc (dt, index_num);
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_del_child
|
||
*/
|
||
static int ntfs_dt_del_child (struct ntfs_dt *dt, ntfschar *uname, int len)
|
||
{
|
||
struct ntfs_dt *del;
|
||
INDEX_ENTRY *ie;
|
||
ntfs_inode *ichild = NULL;
|
||
ntfs_inode *iparent = NULL;
|
||
ntfs_attr *attr = NULL;
|
||
ntfs_attr_search_ctx *ctx = NULL;
|
||
int index_num = 0;
|
||
int res = 1;
|
||
ATTR_RECORD *arec = NULL;
|
||
MFT_REF mft_num = -1;
|
||
FILE_NAME_ATTR *file;
|
||
int filenames = 0;
|
||
|
||
// compressed & encrypted files?
|
||
|
||
del = ntfs_dt_find2 (dt, uname, len, &index_num);
|
||
if (!del) {
|
||
printf ("can't find item to delete\n");
|
||
goto close;
|
||
}
|
||
|
||
if ((index_num < 0) || (index_num >= del->child_count)) {
|
||
printf ("error in dt_find\n");
|
||
goto close;
|
||
}
|
||
|
||
if (del->header->flags & INDEX_NODE) {
|
||
printf ("can only delete leaf nodes\n");
|
||
goto close;
|
||
}
|
||
|
||
/*
|
||
if (!del->parent) {
|
||
printf ("has 0xA0, but isn't in use\n");
|
||
goto close;
|
||
}
|
||
*/
|
||
|
||
ie = del->children[index_num];
|
||
if (ie->key.file_name.file_attributes & FILE_ATTR_DIRECTORY) {
|
||
printf ("can't delete directories\n");
|
||
goto close;
|
||
}
|
||
|
||
if (ie->key.file_name.file_attributes & FILE_ATTR_SYSTEM) {
|
||
printf ("can't delete system files\n");
|
||
goto close;
|
||
}
|
||
|
||
ichild = ntfs_inode_open2 (dt->dir->vol, MREF (ie->indexed_file));
|
||
if (!ichild) {
|
||
printf ("can't open inode\n");
|
||
goto close;
|
||
}
|
||
|
||
ctx = ntfs_attr_get_search_ctx (NULL, ichild->mrec);
|
||
if (!ctx) {
|
||
printf ("can't create a search context\n");
|
||
goto close;
|
||
}
|
||
|
||
while (ntfs_attr_lookup(AT_UNUSED, NULL, 0, 0, 0, NULL, 0, ctx) == 0) {
|
||
arec = ctx->attr;
|
||
if (arec->type == AT_ATTRIBUTE_LIST) {
|
||
printf ("can't delete files with an attribute list\n");
|
||
goto close;
|
||
}
|
||
if (arec->type == AT_INDEX_ROOT) {
|
||
printf ("can't delete directories\n");
|
||
goto close;
|
||
}
|
||
if (arec->type == AT_FILE_NAME) {
|
||
filenames++;
|
||
file = (FILE_NAME_ATTR*) ((u8*) arec + arec->value_offset);
|
||
mft_num = MREF (file->parent_directory);
|
||
}
|
||
}
|
||
|
||
if (filenames != 1) {
|
||
printf ("file has more than one name\n");
|
||
goto close;
|
||
}
|
||
|
||
iparent = ntfs_inode_open2 (dt->dir->vol, mft_num);
|
||
if (!iparent) {
|
||
printf ("can't open parent directory\n");
|
||
goto close;
|
||
}
|
||
|
||
/*
|
||
attr = ntfs_attr_open (iparent, AT_INDEX_ALLOCATION, I30, 4);
|
||
if (!attr) {
|
||
printf ("parent doesn't have 0xA0\n");
|
||
goto close;
|
||
}
|
||
*/
|
||
|
||
//printf ("deleting file\n");
|
||
//ntfs_dt_print (del->dir->index, 0);
|
||
|
||
if (1) res = utils_free_non_residents (ichild);
|
||
if (1) res = utils_mftrec_mark_free (dt->dir->vol, del->children[index_num]->indexed_file);
|
||
if (1) res = utils_mftrec_mark_free2 (dt->dir->vol, del->children[index_num]->indexed_file);
|
||
if (1) res = ntfs_dt_remove (del, index_num);
|
||
|
||
close:
|
||
ntfs_attr_put_search_ctx (ctx);
|
||
ntfs_attr_close (attr);
|
||
ntfs_inode_close2 (iparent);
|
||
ntfs_inode_close2 (ichild);
|
||
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_add_alloc
|
||
*/
|
||
static int ntfs_dt_add_alloc (struct ntfs_dt *parent, int index_num, INDEX_ENTRY *ie, struct ntfs_dt *child)
|
||
{
|
||
INDEX_BLOCK *block;
|
||
INDEX_ENTRY *entry;
|
||
int need;
|
||
int space;
|
||
u8 *src;
|
||
u8 *dst;
|
||
int len;
|
||
|
||
if (!parent || !ie)
|
||
return 0;
|
||
|
||
block = (INDEX_BLOCK*) parent->data;
|
||
|
||
need = ie->length;
|
||
space = parent->data_len - block->index.index_length - 24;
|
||
|
||
printf ("need %d, have %d\n", need, space);
|
||
if (need > space) {
|
||
printf ("no room");
|
||
return 0;
|
||
}
|
||
|
||
//utils_dump_mem (parent->data, 0, parent->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
src = (u8*) parent->children[index_num];
|
||
dst = src + need;
|
||
len = parent->data + parent->data_len - src - space;
|
||
//printf ("src = %d\n", src - parent->data);
|
||
//printf ("dst = %d\n", dst - parent->data);
|
||
//printf ("len = %d\n", len);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
dst = src;
|
||
src = (u8*) ie;
|
||
len = need;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
block->index.index_length += len;
|
||
|
||
dst = parent->data + block->index.index_length + 24;
|
||
len = parent->data_len - block->index.index_length - 24;
|
||
|
||
memset (dst, 0, len);
|
||
|
||
//realloc children, sub_nodes
|
||
ntfs_dt_alloc_children2 (parent, parent->child_count + 1);
|
||
|
||
// regen children pointers
|
||
parent->child_count = 0;
|
||
|
||
src = parent->data + 0x18 + parent->header->entries_offset;
|
||
len = parent->data_len - 0x18 - parent->header->entries_offset;
|
||
|
||
while (src < (parent->data + parent->data_len)) {
|
||
entry = (INDEX_ENTRY*) src;
|
||
|
||
parent->children[parent->child_count] = entry;
|
||
parent->child_count++;
|
||
|
||
if (entry->flags & INDEX_ENTRY_END)
|
||
break;
|
||
|
||
src += entry->length;
|
||
}
|
||
printf ("count = %d\n", parent->child_count);
|
||
|
||
src = (u8*) &parent->sub_nodes[index_num+parent->child_count-1];
|
||
dst = (u8*) &parent->sub_nodes[index_num];
|
||
len = (parent->child_count - index_num - 1) * sizeof (struct ntfs_dt*);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
//insert sub_node pointer
|
||
parent->sub_nodes[index_num] = child;
|
||
|
||
//utils_dump_mem (parent->data, 0, parent->data_len, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_add_root
|
||
*/
|
||
static int ntfs_dt_add_root (struct ntfs_dt *parent, int index_num, INDEX_ENTRY *ie, struct ntfs_dt *child)
|
||
{
|
||
INDEX_ROOT *root;
|
||
INDEX_ENTRY *entry;
|
||
int need;
|
||
int space;
|
||
u8 *attr;
|
||
u8 *src;
|
||
u8 *dst;
|
||
int len;
|
||
|
||
if (!parent || !ie)
|
||
return 0;
|
||
|
||
root = (INDEX_ROOT*) parent->data;
|
||
|
||
utils_dump_mem (parent->data, 0, parent->data_len, DM_DEFAULTS);
|
||
printf ("\n");
|
||
|
||
need = ie->length;
|
||
space = ntfs_mft_free_space (parent->dir);
|
||
|
||
printf ("need %d, have %d\n", need, space);
|
||
if (need > space) {
|
||
printf ("no room");
|
||
return 0;
|
||
}
|
||
|
||
attr = malloc (parent->data_len + need);
|
||
|
||
src = parent->data;
|
||
dst = attr;
|
||
len = root->index.entries_offset + 16;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
dst += len;
|
||
src = (u8*) ie;
|
||
len = ie->length;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
dst += len;
|
||
src = (u8*) parent->children[index_num];
|
||
len = parent->data + parent->data_len - src;
|
||
|
||
memcpy (dst, src, len);
|
||
|
||
free (parent->data);
|
||
parent->data = attr;
|
||
parent->data_len += need;
|
||
|
||
root = (INDEX_ROOT*) parent->data;
|
||
root->index.index_length = parent->data_len - 16;
|
||
root->index.allocated_size = parent->data_len - 16;
|
||
|
||
utils_dump_mem (parent->data, 0, parent->data_len, DM_DEFAULTS);
|
||
printf ("\n");
|
||
|
||
ntfs_mft_resize_resident (parent->dir->inode, AT_INDEX_ROOT, I30, 4, parent->data, parent->data_len);
|
||
|
||
//realloc children, sub_nodes
|
||
ntfs_dt_alloc_children2 (parent, parent->child_count + 1);
|
||
|
||
// regen children pointers
|
||
parent->child_count = 0;
|
||
|
||
src = parent->data + 0x18 + parent->header->entries_offset;
|
||
len = parent->data_len - 0x18 - parent->header->entries_offset;
|
||
|
||
while (src < (parent->data + parent->data_len)) {
|
||
entry = (INDEX_ENTRY*) src;
|
||
|
||
parent->children[parent->child_count] = entry;
|
||
parent->child_count++;
|
||
|
||
if (entry->flags & INDEX_ENTRY_END)
|
||
break;
|
||
|
||
src += entry->length;
|
||
}
|
||
printf ("count = %d\n", parent->child_count);
|
||
|
||
src = (u8*) &parent->sub_nodes[index_num+parent->child_count-1];
|
||
dst = (u8*) &parent->sub_nodes[index_num];
|
||
len = (parent->child_count - index_num - 1) * sizeof (struct ntfs_dt*);
|
||
|
||
memmove (dst, src, len);
|
||
|
||
//insert sub_node pointer
|
||
parent->sub_nodes[index_num] = child;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_add
|
||
*/
|
||
static int ntfs_dt_add (struct ntfs_dt *parent, INDEX_ENTRY *ie)
|
||
{
|
||
FILE_NAME_ATTR *file;
|
||
struct ntfs_dt *dt;
|
||
int index_num = -1;
|
||
|
||
if (!ie)
|
||
return 0;
|
||
|
||
file = &ie->key.file_name;
|
||
|
||
dt = ntfs_dt_find3 (parent, file->file_name, file->file_name_length, &index_num);
|
||
if (!dt)
|
||
return 0;
|
||
|
||
//printf ("dt = %p, index = %d\n", dt, index_num);
|
||
//ntfs_ie_dump (dt->children[index_num]);
|
||
//utils_dump_mem ((u8*)dt->children[index_num], 0, dt->children[index_num]->length, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
if (0) ntfs_dt_add_alloc (dt, index_num, ie, NULL);
|
||
if (0) ntfs_dt_add_root (dt->dir->index, 0, ie, NULL);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_dt_add2
|
||
*/
|
||
static int ntfs_dt_add2 (INDEX_ENTRY *ie, struct ntfs_dt *suc, int suc_num, struct ntfs_dt *ded)
|
||
{
|
||
int need;
|
||
int space;
|
||
int median;
|
||
struct ntfs_dt *new = NULL;
|
||
struct ntfs_dt *chl;
|
||
INDEX_ENTRY *med_ie;
|
||
FILE_NAME_ATTR *file;
|
||
VCN vcn = 0;
|
||
//int i;
|
||
|
||
if (!ie || !suc)
|
||
return -1;
|
||
|
||
printf ("\n");
|
||
printf (BOLD YELLOW "Add key to leaf\n" END);
|
||
|
||
//utils_dump_mem (suc->data, 0, suc->data_len, DM_DEFAULTS);
|
||
|
||
chl = NULL;
|
||
ascend:
|
||
//XXX replace with while/break?
|
||
|
||
#if 0
|
||
for (; ded; ded = ded->sub_nodes[0]) {
|
||
printf ("\tded vcn = %lld\n", ded->vcn);
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
* ADD
|
||
* room in current node?
|
||
* yes, add, done
|
||
* no, split, ascend
|
||
*/
|
||
need = ie->length;
|
||
|
||
if (ntfs_dt_root (suc))
|
||
space = ntfs_dt_freespace_root (suc);
|
||
else
|
||
space = ntfs_dt_freespace_alloc (suc);
|
||
|
||
printf ("\tneed %d\n", need);
|
||
printf ("\tspace %d\n", space);
|
||
|
||
if (space >= need) {
|
||
if (ntfs_dt_root (suc))
|
||
ntfs_dt_add_root (suc, suc_num, ie, chl);
|
||
else
|
||
ntfs_dt_add_alloc (suc, suc_num, ie, chl);
|
||
goto done;
|
||
}
|
||
|
||
/*
|
||
* SPLIT
|
||
* any dead?
|
||
* yes reuse
|
||
* no alloc
|
||
*/
|
||
if (ded) {
|
||
new = ded;
|
||
vcn = ded->vcn;
|
||
ded = ded->sub_nodes[0];
|
||
printf ("\treusing vcn %lld\n", new->vcn);
|
||
} else {
|
||
/*
|
||
* ALLOC
|
||
* any unused records?
|
||
* yes, enable first
|
||
* no, extend
|
||
*/
|
||
/*
|
||
* ENABLE
|
||
* modify bitmap
|
||
* init indx record
|
||
*/
|
||
/*
|
||
* EXTEND
|
||
* room in bitmap
|
||
* yes, do nothing
|
||
* no, extend bitmap
|
||
* extend alloc
|
||
*/
|
||
/*
|
||
* EXTEND BITMAP
|
||
* extend bitmap
|
||
* init bitmap
|
||
*/
|
||
}
|
||
|
||
printf ("\tnode has %d children\n", suc->child_count);
|
||
|
||
// initialise new node
|
||
ntfs_dt_initialise (new, vcn);
|
||
|
||
// find median key
|
||
median = (suc->child_count+1) / 2;
|
||
med_ie = ntfs_ie_copy (suc->children[median]);
|
||
file = &med_ie->key.file_name; printf ("\tmed name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
//printf ("suc key count = %d\n", suc->child_count);
|
||
//printf ("new key count = %d\n", new->child_count);
|
||
|
||
//printf ("median's child = %p\n", suc->sub_nodes[median]);
|
||
// need to pass the child when ascending
|
||
chl = suc->sub_nodes[median];
|
||
|
||
// transfer keys
|
||
if (ntfs_dt_transfer (suc, new, 0, median-1) < 0)
|
||
goto done;
|
||
|
||
//printf ("suc key count = %d\n", suc->child_count);
|
||
//printf ("new key count = %d\n", new->child_count);
|
||
|
||
//file = &suc->children[0]->key.file_name; printf ("\tmed name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
// can this be a root node?
|
||
if (ntfs_dt_root (suc))
|
||
ntfs_dt_root_remove (suc, 0);
|
||
else
|
||
ntfs_dt_alloc_remove (suc, 0);
|
||
|
||
//file = &suc->children[0]->key.file_name; printf ("\tmed name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
//printf ("suc key count = %d\n", suc->child_count);
|
||
//printf ("new key count = %d\n", new->child_count);
|
||
|
||
// remove the median key
|
||
|
||
// split when median has children
|
||
// median child given to new !
|
||
// median child is new
|
||
// ascend
|
||
|
||
med_ie = ntfs_ie_set_vcn (med_ie, new->vcn);
|
||
if (!med_ie)
|
||
goto done;
|
||
|
||
//printf ("median child = %lld\n", ntfs_ie_get_vcn (med_ie));
|
||
//printf ("new's vcn = %lld\n", new->vcn);
|
||
|
||
// adjust parents
|
||
// attach new to median
|
||
// escape clause for root node?
|
||
// goto ascend
|
||
|
||
// ie = insert
|
||
// child = child
|
||
// suc = successor
|
||
// suc_num = insert point
|
||
|
||
ie = med_ie;
|
||
suc = suc->parent;
|
||
suc_num = 0;
|
||
|
||
printf ("\n");
|
||
printf (BOLD YELLOW "Ascend\n" END);
|
||
goto ascend;
|
||
done:
|
||
return 0;
|
||
}
|
||
|
||
|
||
/**
|
||
* ntfsrm
|
||
*/
|
||
static int ntfsrm (ntfs_volume *vol, char *name)
|
||
{
|
||
struct ntfs_dir *dir = NULL;
|
||
struct ntfs_dir *finddir = NULL;
|
||
MFT_REF mft_num;
|
||
ntfschar *uname = NULL;
|
||
int len;
|
||
|
||
dir = ntfs_dir_alloc (vol, FILE_root);
|
||
if (!dir)
|
||
return 1;
|
||
|
||
//mft_num = ntfs_dir_find (dir, name);
|
||
//printf ("%s = %lld\n", name, mft_num);
|
||
|
||
mft_num = utils_pathname_to_mftref (vol, dir, name, &finddir);
|
||
//printf ("mft_num = %lld\n", mft_num);
|
||
//ntfs_dir_print (finddir, 0);
|
||
|
||
if (!finddir) {
|
||
printf ("Couldn't find the index entry for %s\n", name);
|
||
return 1;
|
||
}
|
||
|
||
if (rindex (name, PATH_SEP))
|
||
name = rindex (name, PATH_SEP) + 1;
|
||
|
||
len = ntfs_mbstoucs (name, &uname, 0);
|
||
if (len < 0)
|
||
return 1;
|
||
|
||
ntfs_dt_del_child (finddir->index, uname, len);
|
||
|
||
ntfs_dir_free (dir);
|
||
free (uname);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_index_dump_alloc
|
||
*/
|
||
static int ntfs_index_dump_alloc (ntfs_attr *attr, VCN vcn, int indent)
|
||
{
|
||
u8 buffer[4096];
|
||
INDEX_BLOCK *block;
|
||
INDEX_ENTRY *entry;
|
||
u8 *ptr;
|
||
int size;
|
||
VCN *newvcn = 0;
|
||
|
||
ntfs_attr_mst_pread (attr, vcn*512, 1, sizeof (buffer), buffer);
|
||
|
||
block = (INDEX_BLOCK*) buffer;
|
||
size = block->index.allocated_size;
|
||
|
||
for (ptr = buffer + 64; ptr < (buffer + size); ptr += entry->length) {
|
||
entry = (INDEX_ENTRY*) ptr;
|
||
|
||
if (entry->flags & INDEX_ENTRY_NODE) {
|
||
newvcn = (VCN*) (ptr + ROUND_UP(entry->key_length + 0x17, 8));
|
||
ntfs_index_dump_alloc (attr, *newvcn, indent+4);
|
||
}
|
||
|
||
printf ("%.*s", indent, space_line);
|
||
|
||
if (entry->flags & INDEX_ENTRY_END) {
|
||
printf ("[END]");
|
||
} else {
|
||
ntfs_name_print (entry->key.file_name.file_name, entry->key.file_name.file_name_length);
|
||
}
|
||
|
||
if (entry->flags & INDEX_ENTRY_NODE) {
|
||
printf (" (%lld)\n", *newvcn);
|
||
} else {
|
||
printf ("\n");
|
||
}
|
||
|
||
if (entry->flags & INDEX_ENTRY_END)
|
||
break;
|
||
}
|
||
printf ("%.*s", indent, space_line);
|
||
printf ("fill = %u/%u\n", (unsigned)block->index.index_length, (unsigned)block->index.allocated_size);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_index_dump
|
||
*/
|
||
static int ntfs_index_dump (ntfs_inode *inode)
|
||
{
|
||
u8 buffer[1024];
|
||
ntfs_attr *iroot;
|
||
ntfs_attr *ialloc;
|
||
INDEX_ROOT *root;
|
||
INDEX_ENTRY *entry;
|
||
u8 *ptr;
|
||
int size;
|
||
VCN *vcn = 0;
|
||
|
||
if (!inode)
|
||
return 0;
|
||
|
||
iroot = ntfs_attr_open (inode, AT_INDEX_ROOT, I30, 4);
|
||
ialloc = ntfs_attr_open (inode, AT_INDEX_ALLOCATION, I30, 4);
|
||
|
||
size = (int) ntfs_attr_pread (iroot, 0, sizeof (buffer), buffer);
|
||
|
||
root = (INDEX_ROOT*) buffer;
|
||
|
||
ptr = buffer + root->index.entries_offset + 0x10;
|
||
|
||
while (ptr < (buffer + size)) {
|
||
entry = (INDEX_ENTRY*) ptr;
|
||
if (entry->flags & INDEX_ENTRY_NODE) {
|
||
vcn = (VCN*) (ptr + ROUND_UP(entry->key_length + 0x17, 8));
|
||
ntfs_index_dump_alloc (ialloc, *vcn, 4);
|
||
}
|
||
|
||
if (entry->flags & INDEX_ENTRY_END) {
|
||
printf ("[END]");
|
||
} else {
|
||
ntfs_name_print (entry->key.file_name.file_name, entry->key.file_name.file_name_length);
|
||
}
|
||
|
||
if (entry->flags & INDEX_ENTRY_NODE) {
|
||
printf (" (%lld)", *vcn);
|
||
}
|
||
printf ("\n");
|
||
|
||
ptr += entry->length;
|
||
}
|
||
printf ("fill = %d\n", ptr - buffer);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_file_add
|
||
*/
|
||
static int ntfs_file_add (ntfs_volume *vol, char *name)
|
||
{
|
||
struct ntfs_dir *dir = NULL;
|
||
struct ntfs_dir *finddir = NULL;
|
||
struct ntfs_dt *del = NULL;
|
||
INDEX_ENTRY *ie = NULL;
|
||
MFT_REF mft_num;
|
||
ntfschar *uname = NULL;
|
||
int len;
|
||
int index_num = 0;
|
||
|
||
dir = ntfs_dir_alloc (vol, FILE_root);
|
||
if (!dir)
|
||
return 1;
|
||
|
||
mft_num = utils_pathname_to_mftref (vol, dir, name, &finddir);
|
||
//printf ("mft_num = %lld\n", mft_num);
|
||
//ntfs_dir_print (finddir, 0);
|
||
|
||
if (!finddir) {
|
||
printf ("Couldn't find the index entry for %s\n", name);
|
||
return 1;
|
||
}
|
||
|
||
if (rindex (name, PATH_SEP))
|
||
name = rindex (name, PATH_SEP) + 1;
|
||
|
||
len = ntfs_mbstoucs (name, &uname, 0);
|
||
if (len < 0)
|
||
return 1;
|
||
|
||
del = ntfs_dt_find2 (finddir->index, uname, len, &index_num);
|
||
if (!del) {
|
||
printf ("can't find item to delete\n");
|
||
goto done;
|
||
}
|
||
|
||
ie = ntfs_ie_copy (del->children[index_num]);
|
||
if (!ie)
|
||
goto done;
|
||
|
||
free (uname);
|
||
uname = NULL;
|
||
|
||
len = ntfs_mbstoucs ("file26a", &uname, 0);
|
||
if (len < 0)
|
||
goto done;
|
||
|
||
ie = ntfs_ie_set_name (ie, uname, len, FILE_NAME_WIN32);
|
||
if (!ie)
|
||
goto done;
|
||
|
||
//utils_dump_mem ((u8*)ie, 0, ie->length, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
//printf ("ie = %lld\n", MREF (ie->indexed_file));
|
||
//ntfs_dt_del_child (finddir->index, uname, len);
|
||
|
||
//ntfs_dt_print (finddir->index, 0);
|
||
ntfs_dt_add (finddir->index, ie);
|
||
|
||
// test
|
||
if (0) ntfs_dt_alloc_add (del, ie);
|
||
if (0) ntfs_dt_root_add (del, ie);
|
||
// test
|
||
|
||
done:
|
||
ntfs_dir_free (dir);
|
||
free (uname);
|
||
free (ie);
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_file_remove
|
||
*/
|
||
static int ntfs_file_remove (ntfs_volume *vol, struct ntfs_dt *del, int del_num)
|
||
{
|
||
struct ntfs_dir *find_dir = NULL;
|
||
struct ntfs_dt *top = NULL;
|
||
struct ntfs_dt *suc = NULL;
|
||
struct ntfs_dt *old = NULL;
|
||
struct ntfs_dt *par = NULL;
|
||
struct ntfs_dt *ded = NULL;
|
||
ntfschar *uname;
|
||
int name_len;
|
||
int suc_num = 0;
|
||
int par_num = -1;
|
||
INDEX_ENTRY *del_ie = NULL;
|
||
INDEX_ENTRY *suc_ie = NULL;
|
||
INDEX_ENTRY *par_ie = NULL;
|
||
INDEX_ENTRY *add_ie = NULL;
|
||
int res;
|
||
VCN vcn;
|
||
FILE_NAME_ATTR *file = NULL;
|
||
//int i;
|
||
|
||
if (!vol || !del) {
|
||
return 1;
|
||
}
|
||
|
||
find_dir = del->dir;
|
||
|
||
uname = del->children[del_num]->key.file_name.file_name;
|
||
name_len = del->children[del_num]->key.file_name.file_name_length;
|
||
|
||
top = del->dir->index;
|
||
//ntfs_dt_find_all (top);
|
||
//ntfs_dt_print (top, 0);
|
||
|
||
del_ie = del->children[del_num];
|
||
//utils_dump_mem ((u8*)del_ie, 0, del_ie->length, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
/*
|
||
* If the key is not in a leaf node, then replace it with its successor.
|
||
* Continue the delete as if the successor had been deleted.
|
||
*/
|
||
|
||
/*
|
||
for (i = 0; i < top->child_count; i++) {
|
||
par_ie = top->children[i];
|
||
file = &par_ie->key.file_name; printf ("\ttop node, key %d: ", i); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
printf ("\tvcn = %lld\n", ntfs_ie_get_vcn (par_ie));
|
||
}
|
||
*/
|
||
|
||
if (del->header->flags & INDEX_NODE) {
|
||
printf (BOLD YELLOW "Replace key with its successor:\n" END);
|
||
|
||
vcn = ntfs_ie_get_vcn (del_ie);
|
||
//printf ("vcn = %lld\n", vcn);
|
||
|
||
suc = ntfs_dt_find4 (find_dir->index, uname, name_len, &suc_num);
|
||
//printf ("succ = %p, index = %d\n", suc, suc_num);
|
||
//printf ("\n");
|
||
|
||
suc_ie = ntfs_ie_copy (suc->children[suc_num]);
|
||
//utils_dump_mem ((u8*)suc_ie, 0, suc_ie->length, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
//printf ("\n");
|
||
|
||
suc_ie = ntfs_ie_set_vcn (suc_ie, vcn);
|
||
//utils_dump_mem ((u8*)suc_ie, 0, suc_ie->length, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
//printf ("\n");
|
||
|
||
file = &del_ie->key.file_name; printf ("\trep name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
file = &suc_ie->key.file_name; printf ("\tsuc name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
if (ntfs_dt_root (del))
|
||
res = ntfs_dt_root_replace (del, del_num, del_ie, suc_ie);
|
||
else
|
||
res = ntfs_dt_alloc_replace (del, del_num, del_ie, suc_ie);
|
||
//printf ("\n");
|
||
//utils_dump_mem (del->data, 0, del->data_len, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
|
||
free (suc_ie);
|
||
|
||
if (res == FALSE)
|
||
goto done;
|
||
|
||
del = suc; // Continue delete with the successor
|
||
del_num = suc_num;
|
||
del_ie = suc->children[suc_num];
|
||
}
|
||
|
||
//ntfs_dt_print (top, 0);
|
||
|
||
/*
|
||
* Now we have the simpler case of deleting from a leaf node.
|
||
* If this step creates an empty node, we have more to do.
|
||
*/
|
||
|
||
printf ("\n");
|
||
printf (BOLD YELLOW "Delete key:\n" END);
|
||
|
||
file = &del->children[del_num]->key.file_name; printf ("\tdel name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
//utils_dump_mem (del->data, 0, del->header->index_length+24, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
// XXX if del->child_count == 2, we could skip this step
|
||
// no, if we combine with another node, we'll have to remember
|
||
if (ntfs_dt_root (del))
|
||
ntfs_dt_root_remove (del, del_num);
|
||
else
|
||
ntfs_dt_alloc_remove (del, del_num);
|
||
//printf ("\n");
|
||
//utils_dump_mem (del->data, 0, del->header->index_length+24, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
|
||
if (del->child_count > 1) // XXX ntfs_dt_empty (dt), ntfs_dt_full (dt, new)
|
||
goto commit;
|
||
|
||
/*
|
||
* Ascend the tree until we find a node that is not empty. Take the
|
||
* ancestor key and unhook it. This will free up some space in the
|
||
* index allocation. Finally add the ancestor to the node of its
|
||
* successor.
|
||
*/
|
||
|
||
// find the key nearest the root which has no descendents
|
||
printf ("\n");
|
||
printf (BOLD YELLOW "Find childless parent:\n" END);
|
||
for (par = del->parent, old = par; par; old = par, par = par->parent) {
|
||
if (par->child_count > 1)
|
||
break;
|
||
par_num = ntfs_dt_find_parent (par);
|
||
}
|
||
|
||
//utils_dump_mem (par->data, 0, par->data_len, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
|
||
if (par)
|
||
file = &par->children[par_num]->key.file_name; printf ("\tpar name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
if (par == NULL) {
|
||
// unhook everything
|
||
printf ("whole dir is empty\n");
|
||
goto freedts;
|
||
}
|
||
|
||
//ntfs_dt_print (top, 0);
|
||
printf ("\n");
|
||
|
||
//utils_dump_mem (par->data, 0, par->data_len, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
//printf ("\n");
|
||
|
||
/*
|
||
for (i = 0; i < top->child_count; i++) {
|
||
par_ie = top->children[i];
|
||
file = &par_ie->key.file_name; printf ("\ttop node, key %d: ", i); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
printf ("\tvcn = %lld\n", ntfs_ie_get_vcn (par_ie));
|
||
}
|
||
*/
|
||
|
||
// find if parent has left siblings
|
||
if (par->children[par_num]->flags & INDEX_ENTRY_END) {
|
||
printf (BOLD YELLOW "Swap the children of the parent and its left sibling\n" END);
|
||
|
||
par_ie = par->children[par_num];
|
||
vcn = ntfs_ie_get_vcn (par_ie);
|
||
//printf ("\toffset = %d\n", (u8*)par_ie - par->data); printf ("\tflags = %d\n", par_ie->flags); printf ("\tvcn = %lld\n", vcn); printf ("\tlength = %d\n", par_ie->length);
|
||
//utils_dump_mem ((u8*)par_ie, 0, par_ie->length, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
//printf ("\toffset = %d\n", (u8*)par_ie - par->data); printf ("\tflags = %d\n", par_ie->flags); printf ("\tvcn = %lld\n", vcn); printf ("\tlength = %d\n", par_ie->length);
|
||
//utils_dump_mem ((u8*)par_ie, 0, par_ie->length, DM_DEFAULTS);
|
||
//printf ("\n");
|
||
|
||
file = &par->children[par_num] ->key.file_name; printf ("\tpar name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
file = &par->children[par_num-1]->key.file_name; printf ("\tsib name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
old = par->sub_nodes[par_num];
|
||
par->sub_nodes[par_num] = par->sub_nodes[par_num-1];
|
||
par->sub_nodes[par_num-1] = old;
|
||
|
||
par_ie = par->children[par_num-1];
|
||
vcn = ntfs_ie_get_vcn (par_ie);
|
||
|
||
par_ie = par->children[par_num];
|
||
ntfs_ie_set_vcn (par_ie, vcn);
|
||
|
||
par_num--;
|
||
|
||
if (ntfs_dt_root (par))
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ROOT\n" END, par->dir->inode->mft_no);
|
||
else
|
||
printf (GREEN "Modified: inode %lld, $INDEX_ALLOCATION vcn %lld-%lld\n" END, par->dir->inode->mft_no, par->vcn, par->vcn + (par->dir->index_size>>9) - 1);
|
||
}
|
||
|
||
//ntfs_dt_print (top, 0);
|
||
|
||
//printf ("\n");
|
||
//utils_dump_mem (par->data, 0, par->data_len, DM_DEFAULTS);
|
||
|
||
// unhook and hold onto the ded dt's
|
||
printf ("\n");
|
||
printf (BOLD YELLOW "Remove parent\n" END);
|
||
|
||
file = &par->children[par_num]->key.file_name; printf ("\tpar name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
add_ie = ntfs_ie_copy (par->children[par_num]);
|
||
add_ie = ntfs_ie_remove_vcn (add_ie);
|
||
if (!add_ie)
|
||
goto done;
|
||
|
||
//printf ("\n");
|
||
//utils_dump_mem ((u8*)add_ie, 0, add_ie->length, DM_BLUE|DM_GREEN|DM_INDENT);
|
||
|
||
ded = par->sub_nodes[par_num];
|
||
par->sub_nodes[par_num] = NULL;
|
||
//ntfs_dt_print (ded, 8);
|
||
|
||
#if 0
|
||
for (i = 0; i < par->child_count; i++) {
|
||
par_ie = par->children[i];
|
||
file = &par_ie->key.file_name; printf ("\tdel node, key %d: ", i); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
printf ("\tvcn = %lld\n", ntfs_ie_get_vcn (par_ie));
|
||
}
|
||
#endif
|
||
|
||
#if 1
|
||
//printf ("PAR: %p,%d\n", par, par_num);
|
||
if (ntfs_dt_root (par))
|
||
ntfs_dt_root_remove (par, par_num);
|
||
else
|
||
ntfs_dt_alloc_remove (par, par_num);
|
||
#endif
|
||
//printf ("count = %d\n", par->child_count);
|
||
//utils_dump_mem (par->data, 0, par->data_len, DM_DEFAULTS);
|
||
//printf ("0x%x\n", (u8*)par->children[0] - par->data);
|
||
|
||
#if 0
|
||
for (i = 0; i < par->child_count; i++) {
|
||
par_ie = par->children[i];
|
||
file = &par_ie->key.file_name; printf ("\tadd node, key %d: ", i); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
printf ("\tvcn = %lld\n", ntfs_ie_get_vcn (par_ie));
|
||
}
|
||
#endif
|
||
|
||
//ntfs_dt_print (top, 0);
|
||
printf ("\n");
|
||
printf (BOLD YELLOW "Add childless parent\n" END);
|
||
|
||
file = &add_ie->key.file_name; printf ("\tadd name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
suc = NULL;
|
||
suc_num = -1;
|
||
suc = ntfs_dt_find4 (top, file->file_name, file->file_name_length, &suc_num);
|
||
//printf ("SUC: %p, %d\n", suc, suc_num);
|
||
|
||
if (!suc)
|
||
goto done;
|
||
|
||
file = &suc->children[suc_num]->key.file_name; printf ("\tsuc name: "); ntfs_name_print (file->file_name, file->file_name_length); printf ("\n");
|
||
|
||
// insert key into successor
|
||
// if any new nodes are needed, reuse the preserved nodes
|
||
if (!ntfs_dt_add2 (add_ie, suc, suc_num, ded))
|
||
goto done;
|
||
|
||
// remove any unused nodes
|
||
|
||
// XXX mark dts, dirs and inodes dirty
|
||
// XXX attach bmp to dir and volume
|
||
// XXX attach root dir to volume
|
||
// XXX add freed dts to a list for immediate reuse (attach to dir?)
|
||
// XXX any ded dts means we may need to adjust alloc
|
||
// XXX commit will free list of spare dts
|
||
// XXX reduce size of alloc
|
||
|
||
printf ("empty\n");
|
||
goto done;
|
||
|
||
freedts:
|
||
|
||
commit:
|
||
//printf ("commit\n");
|
||
|
||
done:
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_file_remove2
|
||
*/
|
||
static int ntfs_file_remove2 (ntfs_volume *vol, struct ntfs_dt *dt, int dt_num)
|
||
{
|
||
INDEX_ENTRY *ie;
|
||
ntfs_inode *ino;
|
||
struct ntfs_bmp *bmp_mft;
|
||
struct ntfs_bmp *bmp_vol;
|
||
struct ntfs_dir *dir;
|
||
|
||
if (!vol || !dt)
|
||
return -1;
|
||
|
||
ie = dt->children[dt_num];
|
||
ino = dt->inodes[dt_num];
|
||
dir = dt->dir;
|
||
|
||
bmp_mft = vol->private_bmp1;
|
||
bmp_vol = vol->private_bmp2;
|
||
|
||
if (1) utils_mftrec_mark_free5 (ino, bmp_mft, ie->indexed_file);
|
||
|
||
if (1) utils_free_non_residents2 (ino, bmp_vol);
|
||
|
||
if (1) ntfs_file_remove (vol, dt, dt_num); // remove name from index
|
||
|
||
if (0) ntfs_dir_truncate (vol, dir);
|
||
|
||
if (1) utils_volume_commit (vol);
|
||
|
||
if (0) utils_volume_rollback (vol);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* ntfs_test_bmp
|
||
*/
|
||
static int ntfs_test_bmp (ntfs_volume *vol, ntfs_inode *inode)
|
||
{
|
||
ntfs_inode *volbmp;
|
||
struct ntfs_bmp *bmp;
|
||
struct ntfs_bmp *bmp2;
|
||
//u8 *buffer;
|
||
//int i;
|
||
|
||
volbmp = ntfs_inode_open2 (vol, FILE_Bitmap);
|
||
if (!volbmp)
|
||
return 1;
|
||
|
||
bmp = ntfs_bmp_alloc (volbmp, AT_DATA, NULL, 0);
|
||
if (!bmp)
|
||
return 1;
|
||
|
||
bmp2 = ntfs_bmp_alloc (vol->mft_ni, AT_BITMAP, NULL, 0);
|
||
if (!bmp2)
|
||
return 1;
|
||
|
||
if (0) ntfs_bmp_set_range (bmp, 0, 9, 1);
|
||
if (0) utils_free_non_residents2 (inode, bmp);
|
||
if (0) utils_mftrec_mark_free3 (bmp2, inode->mft_no);
|
||
if (0) utils_mftrec_mark_free4 (inode);
|
||
|
||
ntfs_bmp_free (bmp);
|
||
return 0;
|
||
}
|
||
|
||
|
||
/**
|
||
* main - Begin here
|
||
*
|
||
* Start from here.
|
||
*
|
||
* Return: 0 Success, the program worked
|
||
* 1 Error, something went wrong
|
||
*/
|
||
int main (int argc, char *argv[])
|
||
{
|
||
ntfs_volume *vol = NULL;
|
||
ntfs_inode *inode = NULL;
|
||
int flags = 0;
|
||
int result = 1;
|
||
struct ntfs_find find;
|
||
|
||
if (!parse_options (argc, argv))
|
||
goto done;
|
||
|
||
utils_set_locale();
|
||
|
||
#if 0
|
||
printf ("sizeof (ntfs_bmp) = %d\n", sizeof (struct ntfs_bmp));
|
||
printf ("sizeof (ntfs_dt) = %d\n", sizeof (struct ntfs_dt));
|
||
printf ("sizeof (ntfs_dir) = %d\n", sizeof (struct ntfs_dir));
|
||
printf ("\n");
|
||
#endif
|
||
|
||
if (opts.noaction)
|
||
flags |= MS_RDONLY;
|
||
|
||
vol = utils_mount_volume2 (opts.device, flags, opts.force);
|
||
if (!vol) {
|
||
printf ("!vol\n");
|
||
goto done;
|
||
}
|
||
|
||
if (utils_pathname_to_inode2 (vol, NULL, opts.file, &find) == FALSE) {
|
||
printf ("!inode\n");
|
||
goto done;
|
||
}
|
||
|
||
inode = find.inode;
|
||
|
||
//printf ("inode = %lld\n", inode->mft_no);
|
||
|
||
if (0) result = ntfs_index_dump (inode);
|
||
if (0) result = ntfsrm (vol, opts.file);
|
||
if (0) result = ntfs_ie_test();
|
||
if (0) result = ntfs_file_add (vol, opts.file);
|
||
if (1) result = ntfs_file_remove2 (vol, find.dt, find.dt_index);
|
||
if (0) result = ntfs_test_bmp (vol, inode);
|
||
|
||
done:
|
||
if (1) ntfs_inode_close2 (inode);
|
||
if (1) ntfs_umount2 (vol, FALSE);
|
||
|
||
if (0) ntfs_binary_print (0, FALSE, FALSE);
|
||
|
||
return result;
|
||
}
|