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/* MD5DEEP

*

* By Jesse Kornblum

*

* This is a work of the US Government. In accordance with 17 USC 105,

* copyright protection is not available for any work of the US Government.

*

* 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.

*

*/

// $Id: cycles.cpp 184 2013-07-10 05:24:26Z jessekornblum $

#include "ssdeep.h"

typedef struct dir_table {

TCHAR *name;

struct dir_table *next;

} dir_table;

dir_table *my_table = NULL;

/* This function was used in the dark ages for debugging

static void dump_table(void)

{

struct dir_table *t = my_table;

while (t != NULL)

{

print_status (_TEXT("* %s"), t->name);

t = t->next;

}

print_status ("-- end of table --");

}

*/

int done_processing_dir(TCHAR *fn)

{

dir_table *last, *temp;

TCHAR *d_name = (TCHAR *)malloc(sizeof(TCHAR) * SSDEEP_PATH_MAX);

#ifdef _WIN32

_wfullpath(d_name,fn,SSDEEP_PATH_MAX);

#else

realpath(fn,d_name);

#endif

if (my_table == NULL)

{

internal_error("Table is NULL in done_processing_dir");

// This code never gets executed...

free(d_name);

return FALSE;

}

temp = my_table;

if (!_tcsncmp(d_name,temp->name,SSDEEP_PATH_MAX))

{

my_table = my_table->next;

free(temp->name);

free(temp);

free(d_name);

return TRUE;

}

while (temp->next != NULL)

{

last = temp;

temp = temp->next;

if (!_tcsncmp(d_name,temp->name,SSDEEP_PATH_MAX))

{

last->next = temp->next;

free(temp->name);

free(temp);

free(d_name);

return TRUE;

}

}

internal_error("%s: Directory %s not found in done_processing_dir",

__progname, d_name);

// This code never gets executed...

// free (d_name);

return FALSE;

}

int processing_dir(TCHAR *fn)

{

dir_table *new_dir, *temp;

TCHAR *d_name = (TCHAR *)malloc(sizeof(TCHAR) * SSDEEP_PATH_MAX);

#ifdef _WIN32

_wfullpath(d_name,fn,SSDEEP_PATH_MAX);

#else

realpath(fn,d_name);

#endif

if (my_table == NULL)

{

my_table = (dir_table*)malloc(sizeof(dir_table));

my_table->name = _tcsdup(d_name);

my_table->next = NULL;

free(d_name);

return TRUE;

}

temp = my_table;

while (temp->next != NULL)

{

/* We should never be adding a directory that is already here */

if (!_tcsncmp(temp->name,d_name,SSDEEP_PATH_MAX))

{

internal_error("%s: Attempt to add existing %s in processing_dir",

__progname, d_name);

// Does not execute

free(d_name);

return FALSE;

}

temp = temp->next;

}

new_dir = (dir_table*)malloc(sizeof(dir_table));

new_dir->name = _tcsdup(d_name);

new_dir->next = NULL;

temp->next = new_dir;

free(d_name);

return TRUE;

}

int have_processed_dir(TCHAR *fn)

{

dir_table *temp;

TCHAR *d_name;

if (my_table == NULL)

return FALSE;

d_name = (TCHAR *)malloc(sizeof(TCHAR) * SSDEEP_PATH_MAX);

#ifdef _WIN32

_wfullpath(d_name,fn,SSDEEP_PATH_MAX);

#else

realpath(fn,d_name);

#endif

temp = my_table;

while (temp != NULL)

{

if (!_tcsncmp(temp->name,d_name,SSDEEP_PATH_MAX))

{

free(d_name);

return TRUE;

}

temp = temp->next;

}

free(d_name);

return FALSE;

}