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/* Copyright (C) 2010 Rackspace
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; version 2 of the License.
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 St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <config.h>
#include "mysql_password.h"
#include <drizzled/algorithm/sha1.h>
#include <drizzled/util/convert.h>
using namespace std;
namespace drizzle_plugin
{
const char* MySQLPasswordName = "mysql_password";
MySQLPassword::MySQLPassword(void):
Item_str_func()
{ }
const char *MySQLPassword::func_name() const
{
return MySQLPasswordName;
}
void MySQLPassword::fix_length_and_dec()
{
max_length= args[0]->max_length;
}
bool MySQLPassword::check_argument_count(int n)
{
return (n == 1);
}
drizzled::String *MySQLPassword::val_str(drizzled::String *str)
{
drizzled::String argument;
drizzled::String *password= args[0]->val_str(&argument);
drizzled::SHA1_CTX ctx;
uint8_t hash_tmp1[SHA1_DIGEST_LENGTH];
uint8_t hash_tmp2[SHA1_DIGEST_LENGTH];
drizzled::SHA1Init(&ctx);
drizzled::SHA1Update(&ctx, reinterpret_cast<uint8_t *>(password->ptr()),
password->length());
drizzled::SHA1Final(hash_tmp1, &ctx);
drizzled::SHA1Init(&ctx);
drizzled::SHA1Update(&ctx, hash_tmp1, SHA1_DIGEST_LENGTH);
drizzled::SHA1Final(hash_tmp2, &ctx);
str->realloc(SHA1_DIGEST_LENGTH * 2);
drizzled::drizzled_string_to_hex(str->ptr(),
reinterpret_cast<const char*>(hash_tmp2),
SHA1_DIGEST_LENGTH);
str->length(SHA1_DIGEST_LENGTH * 2);
return str;
}
} /* namespace drizzle_plugin */
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