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/* environment.h -- Function for extracting data from the OpenVPN environment table
*
* GPLv2 only - Copyright (C) 2008, 2009
* 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.
*
*/
/**
* @file environment.h
* @author David Sommerseth <dazo@users.sourceforge.net>
* @date 2008-08-06
*
* @brief Function for extracting data from the OpenVPN environment table.
*
*/
#ifndef _ENVIRONMENT_H
#define _ENVIRONMENT_H
/**
* get_env() retrieve values from the openvpn environment table
*
* @param ctx eurephiaCTX context
* @param logmasking If 1, the value will be masked in the log files (eg. to hide password)
* @param len How many bytes to copy out of the environment variable
* @param envp the environment table
* @param fmt The key to look for (stdarg)
*
* @return Returns a const char * with the value, or NULL if not found
*/
char *get_env(eurephiaCTX *ctx, int logmasking, size_t len, const char *envp[], const char *fmt, ... );
#define MAXLEN_TLSID 2048
#define GETENV_TLSID(ctx, env, id) get_env(ctx, 0, MAXLEN_TLSID, env, "tls_id_%i", id)
#define MAXLEN_TLSDIGEST 60
#define GETENV_TLSDIGEST(ctx, env, id) get_env(ctx, 0, MAXLEN_TLSDIGEST, env, "tls_digest_%i", id)
#define MAXLEN_UNTRUSTEDIP 34
#define GETENV_UNTRUSTEDIP(ctx, env) get_env(ctx, 0, MAXLEN_UNTRUSTEDIP, env, "untrusted_ip")
#define MAXLEN_USERNAME 34
#define GETENV_USERNAME(ctx, env) get_env(ctx, 0, MAXLEN_USERNAME, env, "username")
#define MAXLEN_PASSWORD 64
#define GETENV_PASSWORD(ctx, env) get_env(ctx, 1, MAXLEN_PASSWORD, env, "password")
#define MAXLEN_BYTESRECEIVED 21
#define GETENV_BYTESRECEIVED(ctx, env) get_env(ctx, 0, MAXLEN_BYTESRECEIVED, env, "bytes_received");
#define MAXLEN_BYTESSENT 21
#define GETENV_BYTESSENT(ctx, env) get_env(ctx, 0, MAXLEN_BYTESSENT, env, "bytes_sent");
#define MAXLEN_TIMEDURATION 21
#define GETENV_TIMEDURATION(ctx, env) get_env(ctx, 0, MAXLEN_TIMEDURATION, env, "time_duration");
#define MAXLEN_POOLNETMASK 34
#define GETENV_POOLNETMASK(ctx, env) get_env(ctx, 0, MAXLEN_POOLNETMASK, env, "ifconfig_pool_netmask");
#define MAXLEN_POOLIPADDR 34
#define GETENV_POOLIPADDR(ctx, env) get_env(ctx, 0, MAXLEN_POOLIPADDR, env, "ifconfig_pool_remote_ip");
#define MAXLEN_TRUSTEDIP 34
#define GETENV_TRUSTEDIP(ctx, env) get_env(ctx, 0, MAXLEN_TRUSTEDIP, env, "trusted_ip");
#define MAXLEN_PROTO1 4
#define GETENV_PROTO1(ctx, env) get_env(ctx, 0, MAXLEN_PROTO1, env, "proto_1");
#define MAXLEN_CNAME 64
#define GETENV_CNAME(ctx, env) get_env(ctx, 0, MAXLEN_CNAME, env, "common_name");
#define MAXLEN_TRUSTEDPORT 6
#define GETENV_TRUSTEDPORT(ctx, env) get_env(ctx, 0, MAXLEN_TRUSTEDPORT, env, "trusted_port");
#define MAXLEN_UNTRUSTEDPORT 6
#define GETENV_UNTRUSTEDPORT(ctx, env) get_env(ctx, 0, MAXLEN_UNTRUSTEDPORT, env, "untrusted_port");
#define MAXLEN_DAEMON 32
#define GETENV_DAEMON(env) get_env(NULL, 0, MAXLEN_DAEMON, env, "daemon");
#define MAXLEN_DAEMONLOGREDIR 32
#define GETENV_DAEMONLOGREDIR(env) get_env(NULL, 0, MAXLEN_DAEMONLOGREDIR, env, "daemon_log_redirect");
#endif
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