s3fs-fuse/src/common_auth.cpp

74 lines
2.0 KiB
C++

/*
* s3fs - FUSE-based file system backed by Amazon S3
*
* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <cstdio>
#include <string>
#include "s3fs_auth.h"
#include "string_util.h"
//-------------------------------------------------------------------
// Utility Function
//-------------------------------------------------------------------
std::string s3fs_get_content_md5(int fd)
{
unsigned char* md5;
char* base64;
std::string Signature;
if(nullptr == (md5 = s3fs_md5_fd(fd, 0, -1))){
return std::string("");
}
if(nullptr == (base64 = s3fs_base64(md5, get_md5_digest_length()))){
delete[] md5;
return std::string(""); // ENOMEM
}
delete[] md5;
Signature = base64;
delete[] base64;
return Signature;
}
std::string s3fs_sha256_hex_fd(int fd, off_t start, off_t size)
{
size_t digestlen = get_sha256_digest_length();
unsigned char* sha256;
if(nullptr == (sha256 = s3fs_sha256_fd(fd, start, size))){
return std::string("");
}
std::string sha256hex = s3fs_hex_lower(sha256, digestlen);
delete[] sha256;
return sha256hex;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: expandtab sw=4 ts=4 fdm=marker
* vim<600: expandtab sw=4 ts=4
*/