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create an index entry from scratch 

(Logical change 1.425)
edge.strict_endians
flatcap.org!ntfs 2004-06-17 23:22:44 +00:00
parent fadd3d0d2b
commit 9847ef4fcc
1 changed files with 143 additions and 83 deletions
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226
ntfsprogs/ntfsrm.c
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@ -1560,35 +1560,40 @@ static void ntfs_ie_dump (INDEX_ENTRY *ie)
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) 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);
printf ("mft parent: 0x%llx\n", ie->key.file_name.parent_directory);
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);
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 ("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) {
@ -1605,12 +1610,16 @@ static INDEX_ENTRY * ntfs_ie_create (void)
int length;
INDEX_ENTRY *ie;
length = 88;
ie = calloc (1, length);
length = 16;
ie = malloc (length);
if (!ie)
return NULL;
ie->length = length;
ie->indexed_file = 0;
ie->length = length;
ie->key_length = 0;
ie->flags = INDEX_ENTRY_END;
ie->reserved = 0;
return ie;
}
@ -1633,18 +1642,30 @@ static INDEX_ENTRY * ntfs_ie_copy (INDEX_ENTRY *ie)
}
/**
* ntfs_ie_set_flags
* ntfs_ie_reset_flags
*/
static int ntfs_ie_set_flags (INDEX_ENTRY *ie, INDEX_ENTRY_FLAGS flags)
static INDEX_ENTRY * ntfs_ie_reset_flags (INDEX_ENTRY *ie, INDEX_ENTRY_FLAGS flags)
{
VCN vcn;
if (!ie)
return 0;
if (flags == INDEX_ENTRY_NODE) {
if ((flags & INDEX_ENTRY_NODE) && (!(ie->flags & INDEX_ENTRY_NODE))) {
ie->length -= 8;
ie->flags &= ~INDEX_ENTRY_NODE;
ie = realloc (ie, ie->length);
}
if (flags == INDEX_ENTRY_END) {
if ((!(flags & INDEX_ENTRY_END)) && (ie->flags & INDEX_ENTRY_END)) {
ie->length -= ATTR_SIZE (ie->key_length);
vcn = *((VCN*) ((u8*) ie + ie->length - 8));
*((VCN*) ((u8*) ie + ie->length - 8)) = vcn;
ie->flags |= INDEX_ENTRY_END;
}
return 0;
return ie;
}
/**
@ -1661,56 +1682,70 @@ static int ntfs_ie_set_child (INDEX_ENTRY *ie, VCN vcn)
/**
* ntfs_ie_set_name
*/
static int ntfs_ie_set_name (INDEX_ENTRY *ie, ntfschar *name, int namelen, FILE_NAME_TYPE_FLAGS nametype)
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 0;
return NULL;
/*
* INDEX_ENTRY
* MFT_REF indexed_file;
* u16 length;
* u16 key_length;
* INDEX_ENTRY_FLAGS flags;
* u16 reserved;
* MFT_REF indexed_file;
* u16 length;
* u16 key_length;
* INDEX_ENTRY_FLAGS flags;
* u16 reserved;
*
* 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;
* 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)));
if (klen < need) {
} else if (klen > need) {
} else {
}
//realloc();
printf ("ilen = %d\n", ie->length);
printf ("klen = %d\n", klen);
printf ("need = %d\n", need);
//clear end marker flag
if (ie->flags & INDEX_ENTRY_NODE)
vcn = *((VCN*) ((u8*) ie + ie->length - 8));
namelen = 0;
nametype = FILE_NAME_WIN32;
return 0;
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)
*((VCN*) ((u8*) ie + ie->length - 8)) = vcn;
ie->key.file_name.file_name_length = namelen;
ie->key.file_name.file_name_type = nametype;
ie->flags &= ~INDEX_ENTRY_END;
return ie;
}
@ -1786,10 +1821,6 @@ static int ntfs_index_dump (ntfs_inode *inode)
while (ptr < (buffer + size)) {
entry = (INDEX_ENTRY*) ptr;
ntfs_ie_dump (entry);
exit (1);
if (entry->flags & INDEX_ENTRY_NODE) {
vcn = (VCN*) (ptr + ((entry->key_length + 0x17) & ~7));
ntfs_index_dump_alloc (ialloc, *vcn, 4);
@ -1856,26 +1887,55 @@ int main (int argc, char *argv[])
goto done;
}
if (1) result = ntfs_index_dump (inode);
if (0) result = ntfs_index_dump (inode);
if (0) result = ntfsrm (vol, opts.file);
{
INDEX_ENTRY *ie1 = NULL;
INDEX_ENTRY *ie2 = NULL;
int namelen = 0;
ntfschar *name = NULL;
if (1) {
INDEX_ENTRY *ie1 = NULL;
INDEX_ENTRY *ie2 = NULL;
int namelen = 0;
ntfschar *name = NULL;
namelen = ntfs_mbstoucs("richard", &name, 0);
if (1) {
ie1 = ntfs_ie_create();
ntfs_ie_dump (ie1);
}
if (1) ie1 = ntfs_ie_create();
if (0) ie2 = ntfs_ie_copy (ie1);
if (0) ntfs_ie_set_flags (ie1, INDEX_ENTRY_NODE);
if (0) ntfs_ie_set_child (ie1, 1234);
if (1) ntfs_ie_set_name (ie1, name, namelen, FILE_NAME_WIN32);
if (0) {
ie2 = ntfs_ie_copy (ie1);
ntfs_ie_dump (ie2);
}
ntfs_ie_dump (ie1);
free (ie1);
free (ie2);
if (0) {
ie1 = ntfs_ie_reset_flags (ie1, INDEX_ENTRY_END);
ntfs_ie_dump (ie1);
}
if (0) {
ntfs_ie_set_child (ie1, 1234);
ntfs_ie_dump (ie1);
}
namelen = ntfs_mbstoucs("richard", &name, 0);
if (1) ie1 = ntfs_ie_set_name (ie1, name, namelen, FILE_NAME_WIN32);
free (name);
name = NULL;
namelen = ntfs_mbstoucs("richard2", &name, 0);
if (1) ie1 = ntfs_ie_set_name (ie1, name, namelen, FILE_NAME_WIN32);
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);
}
done: