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/* eurephiadb.c -- Loads and initialises the database driver
*
* GPLv2 - Copyright (C) 2008 David Sommerseth <dazo@users.sourceforge.net>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#include <stdarg.h>
#include "eurephia_nullsafe.h"
#include "eurephiadb_driver.h"
#include "eurephia_log.h"
#include "eurephia_getsym.h"
#ifdef MEMWATCH
#include <memwatch.h>
#endif
int eDBlink_close(eurephiaCTX *ctx)
{
if( ctx == NULL ) {
return 1;
}
eurephia_log(ctx, LOG_INFO, 3, "Unloading eurephiaDB driver");
if( ctx->eurephia_driver != NULL ) {
dlclose(ctx->eurephia_driver);
ctx->eurephia_driver = NULL;
}
return 1;
}
int eDBlink_init(eurephiaCTX *ctx, const char *dbl, const int minver)
{
#ifdef MEMWATCH
mwStatistics(3);
#endif
if( dbl == NULL ) {
eurephia_log(ctx, LOG_FATAL, 0, "No eurephia eDBlink driver given. "
"eurephia authentication will not be available");
return 0;
}
eurephia_log(ctx, LOG_INFO, 2, "Loading eurephiaDB driver: %s", dbl);
ctx->eurephia_driver = dlopen(dbl, RTLD_NOW);
if( ctx->eurephia_driver == NULL ) {
eurephia_log(ctx, LOG_FATAL, 0, "Could not open the eurephia eDBlink driver (%s)", dbl);
eurephia_log(ctx, LOG_FATAL, 1, "dlopen error: %s", dlerror());
return 0;
}
// Find mandatory functions containing driver information
eDB_DriverVersion = eGetSym(ctx, ctx->eurephia_driver, "eDB_DriverVersion");
eDB_DriverAPIVersion = eGetSym(ctx, ctx->eurephia_driver, "eDB_DriverAPIVersion");
eurephia_log(ctx, LOG_INFO, 1, "Driver loaded: %s (API version %i)",
eDB_DriverVersion(), eDB_DriverAPIVersion());
// Check that we are using at least a new enough driver
if( eDB_DriverAPIVersion() < minver ) {
eurephia_log(ctx, LOG_FATAL, 0,
"The requested eurephiaDB driver is too old. This program needs "
"API version %i, but this driver only supports API version %i.\n",
minver, eDB_DriverAPIVersion());
return 0;
}
// Configure functions contained in the driver, defined by API version
switch( (eDB_DriverAPIVersion() > minver ? minver : eDB_DriverAPIVersion()) ) {
default:
eurephia_log(ctx, LOG_WARNING, 0,
"eurephiaDB driver API is newer than the running eurephia version. Consider "
"to upgrade eurphia to take advantage of newer features in the eurephiaDB driver.");
case 2:
eDBadminAuth = eGetSym(ctx, ctx->eurephia_driver, "eDBadminAuth");
eDBadminValidateSession = eGetSym(ctx, ctx->eurephia_driver, "eDBadminValidateSession");
eDBadminRegisterLogin = eGetSym(ctx, ctx->eurephia_driver, "eDBadminRegisterLogin");
eDBadminLogout = eGetSym(ctx, ctx->eurephia_driver, "eDBadminLogout");
eDBadminConfigSet = eGetSym(ctx, ctx->eurephia_driver, "eDBadminConfigSet");
eDBadminConfigDelete = eGetSym(ctx, ctx->eurephia_driver, "eDBadminConfigDelete");
eDBadminGetUserList = eGetSym(ctx, ctx->eurephia_driver, "eDBadminGetUserList");
eDBadminGetUserInfo = eGetSym(ctx, ctx->eurephia_driver, "eDBadminGetUserInfo");
eDBadminAddUser = eGetSym(ctx, ctx->eurephia_driver, "eDBadminAddUser");
eDBadminUpdateUser = eGetSym(ctx, ctx->eurephia_driver, "eDBadminUpdateUser");
eDBadminDeleteUser = eGetSym(ctx, ctx->eurephia_driver, "eDBadminDeleteUser");
eDBadminGetCertificateList = eGetSym(ctx, ctx->eurephia_driver, "eDBadminGetCertificateList");
eDBadminGetCertificateInfo = eGetSym(ctx, ctx->eurephia_driver, "eDBadminGetCertificateInfo");
eDBadminAddCertificate = eGetSym(ctx, ctx->eurephia_driver, "eDBadminAddCertificate");
eDBadminDeleteCertificate = eGetSym(ctx, ctx->eurephia_driver, "eDBadminDeleteCertificate");
eDBadminGetUserCertsList = eGetSym(ctx, ctx->eurephia_driver, "eDBadminGetUserCertsList");
eDBadminUpdateUserCertLink = eGetSym(ctx, ctx->eurephia_driver, "eDBadminUpdateUserCertLink");
eDBadminGetLastlog = eGetSym(ctx, ctx->eurephia_driver, "eDBadminGetLastlog");
eDBadminGetAttemptsLog = eGetSym(ctx, ctx->eurephia_driver, "eDBadminGetAttemptsLog");
case 1:
// Setup eDBlink functions
eDBconnect = eGetSym(ctx, ctx->eurephia_driver, "eDBconnect");
eDBdisconnect = eGetSym(ctx, ctx->eurephia_driver, "eDBdisconnect");
eDBauth_TLS = eGetSym(ctx, ctx->eurephia_driver, "eDBauth_TLS");
eDBauth_user = eGetSym(ctx, ctx->eurephia_driver, "eDBauth_user");
eDBget_uid = eGetSym(ctx, ctx->eurephia_driver, "eDBget_uid");
eDBblacklist_check = eGetSym(ctx, ctx->eurephia_driver, "eDBblacklist_check");
eDBregister_attempt = eGetSym(ctx, ctx->eurephia_driver, "eDBregister_attempt");
eDBregister_login = eGetSym(ctx, ctx->eurephia_driver, "eDBregister_login");
eDBregister_vpnmacaddr = eGetSym(ctx, ctx->eurephia_driver, "eDBregister_vpnmacaddr");
eDBregister_logout = eGetSym(ctx, ctx->eurephia_driver, "eDBregister_logout");
eDBget_firewall_profile = eGetSym(ctx, ctx->eurephia_driver, "eDBget_firewall_profile");
eDBget_blacklisted_ip = eGetSym(ctx, ctx->eurephia_driver, "eDBget_blacklisted_ip");
eDBget_sessionkey_seed = eGetSym(ctx, ctx->eurephia_driver, "eDBget_sessionkey_seed");
eDBget_sessionkey_macaddr = eGetSym(ctx, ctx->eurephia_driver, "eDBget_sessionkey_macaddr");
eDBcheck_sessionkey_uniqueness = eGetSym(ctx, ctx->eurephia_driver,
"eDBcheck_sessionkey_uniqueness");
eDBregister_sessionkey = eGetSym(ctx, ctx->eurephia_driver, "eDBregister_sessionkey");
eDBload_sessiondata = eGetSym(ctx, ctx->eurephia_driver, "eDBload_sessiondata");
eDBstore_session_value = eGetSym(ctx, ctx->eurephia_driver, "eDBstore_session_value");
eDBdestroy_session = eGetSym(ctx, ctx->eurephia_driver, "eDBdestroy_session");
break;
}
if( ctx->fatal_error > 0 ) {
eurephia_log(ctx, LOG_FATAL, 0, "eurephia eDBlink is not correctly initialised. "
"eurephia authentication will not be available");
eDBlink_close(ctx);
return 0;
}
return 1;
}
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