securestorage_api.h

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/******************************************************************************
 *
 *      File:                   securestorage_api.h
 *
 *      Function:               Secure Storage API header file
 *
 *      Author(s):              Giordano Scuderi and Nicola Dominante
 *
 *      Copyright:              Copyright (c) 2007 <Giordano Scuderi - gscuderi@unicosrl.it>
 *                                      All Rights Reserved.
 *
 *
 *      Notes:                  Redistributions of any form whatsoever must retain the following
 *                              acknowledgment:
 *                              "This product includes software developed by Giordano Scuderi
 *                              for Unico SRL"
 *
 *      
 * ====================================================================
 * Copyright (c) Giordano Scuderi, Unico SRL.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by Giordano Scuderi
 *    for Unico SRL"
 *
 * 4. The names "Secure Storage" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    gscuderi@unicosrl.it.
 *
 * 5. Products derived from this software may not be called "Secure Storage"
 *    nor may "Secure Storage" appear in their names without prior written
 *    permission of Giordano Scuderi (Unico SRL).
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by Giordano Scuderi
 *    for Unico SRL"
 *
 * THIS SOFTWARE IS PROVIDED BY UNICO SRL ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL UNICO SRL OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 * 
 */
 
 
// \def Max number of open file with SecureStorage API.
#define MAX_OPEN_FILES 1024
// \def Default Catalog type.
#define GFAL_DEFAULT_CATALOG_TYPE "lfc"

// \struct Used to store file-state information.
struct ss_state {
        int     fd;
        unsigned char hex_iv[HEX_IVSIZE];
        unsigned char ivec[HEX_IVSIZE];
        unsigned char ecount_buf[AES_BLOCK_SIZE];
        unsigned int num;
        AES_KEY ctx;
};

#ifdef __cplusplus
extern "C"
{
#endif

/******************************************************************************
 * Alloc mem on ss_array struct and save file descriptor of open file on
 * remote SE
 * 
 ******************************************************************************/
static struct ss_state *alloc_ss_state (int fd);


/******************************************************************************
 * Find correct position on ss_array struct with index (fd)
 *
 * 
 ******************************************************************************/
static struct ss_state *find_ss_state (int fd);


/******************************************************************************
 * Free mem on ss_array struct
 *
 * 
 ******************************************************************************/ 
static int free_ss_state (int fd);


extern ss_DIR *lfc_opendirxg (char *server, const char *path, const char *guid);
extern struct dirent *lfc_readdir (ss_DIR *dirp);
extern int lfc_closedir (ss_DIR *dirp);
extern int lfc_getreplica (const char *path, const char *guid, const char *se,
       int *nbentries, struct lfc_filereplica **rep_entries);
extern int lfc_statg (const char *path, const char *guid, struct ss_filestatg
       *statbuf);
extern int lfc_statr (const char *sfn, struct ss_filestatg *statbuf);
extern int lfc_mkdir (const char *path, mode_t mode);
extern int lfc_rmdir (const char *path);

#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif

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