dir.c

一个提供档案及Partition作加解密的程式支援以下的加密演算法AESBlowfishCAST5SerpentTriple DESTwofishAES-BlowfishAES-TwofishAES-

/* The source code contained in this file has been derived from the source code
   of Encryption for the Masses 2.02a by Paul Le Roux. Modifications and
   additions to that source code contained in this file are Copyright (c) 2004-2005
   TrueCrypt Foundation and Copyright (c) 2004 TrueCrypt Team. Unmodified
   parts are Copyright (c) 1998-99 Paul Le Roux. This is a TrueCrypt Foundation
   release. Please see the file license.txt for full license details. */

#include "TCdefs.h"

#include <sys\types.h>
#include <sys\stat.h>
#include <direct.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>

#include "dir.h"

/* create full directory tree. returns 0 for success, -1 if failure */
int
mkfulldir (char *path, BOOL bCheckonly)
{
	struct _stat st;
	char *uniq_file;

	if (strlen (path) == 3 && path[1] == ':')
		goto is_root;	/* keep final slash in root if present */

	/* strip final forward or backslash if we have one! */
	uniq_file = strrchr (path, '\\');
	if (uniq_file && uniq_file[1] == '\0')
		uniq_file[0] = '\0';
	else
	{
		uniq_file = strrchr (path, '/');
		if (uniq_file && uniq_file[1] == '\0')
			uniq_file[0] = '\0';
	}

      is_root:
	if (bCheckonly == TRUE)
		return _stat (path, &st);

	if (_stat (path, &st))
		return mkfulldir_internal (path);
	else
		return 0;
}


int
mkfulldir_internal (char *path)
{
	char *token;
	struct _stat st;
	static char tokpath[_MAX_PATH];
	static char trail[_MAX_PATH];

	strcpy (tokpath, path);
	trail[0] = '\0';

	token = strtok (tokpath, "\\/");

	if (tokpath[0] == '\\' && tokpath[1] == '\\')
	{			/* unc */
		trail[0] = tokpath[0];
		trail[1] = tokpath[1];
		trail[2] = '\0';
		strcat (trail, token);
		strcat (trail, "\\");
		token = strtok (NULL, "\\/");
		if (token)
		{		/* get share name */
			strcat (trail, token);
			strcat (trail, "\\");
		}
		token = strtok (NULL, "\\/");
	}

	if (tokpath[1] == ':')
	{			/* drive letter */
		strcat (trail, tokpath);
		strcat (trail, "\\");
		token = strtok (NULL, "\\/");
	}

	while (token != NULL)
	{
		int x;
		strcat (trail, token);
		x = _mkdir (trail);
		strcat (trail, "\\");
		token = strtok (NULL, "\\/");
	}

	return _stat (path, &st);
}