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/*
* options.h
* ptunnel is licensed under the BSD license:
*
* Copyright (c) 2017-2019, Toni Uhlig <matzeton@googlemail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* - Neither the name of the Yellow Lemon Software nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS 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 THE COPYRIGHT OWNER OR 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.
*/
#ifndef OPTIONS_H
#define OPTIONS_H 1
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#ifndef WIN32
#include <pwd.h>
#include <grp.h>
#endif
#ifdef HAVE_SELINUX
#include <selinux/selinux.h>
#endif
#include "md5.h"
#include "pconfig.h"
struct options {
/** user defined magic value (prevent Cisco WSA/IronPort fingerprint scan) */
uint32_t magic;
/** proxy or forwarder? */
int mode;
/** Proxy's internet address */
char *given_proxy_hostname;
uint32_t given_proxy_ip;
/** Port the client listens on */
uint32_t tcp_listen_port;
/** restrict Forward/Proxy destination internet address */
int restrict_dst_ip;
char *given_dst_hostname;
uint32_t given_dst_ip;
/** restrict Forward/Proxy destination port */
int restrict_dst_port;
uint32_t given_dst_port;
/** Default maximum number of tunnels to support at once */
uint32_t max_tunnels;
/** Default log level */
int log_level;
#ifdef HAVE_PCAP
/** Non zero value if user wants packet capturing */
int pcap;
/** Device to capture packets from */
char *pcap_device;
#endif
/** Force SHA512 based challenge response. */
int force_sha512;
/** List all available pcap devices and exit */
int list_pcap_devices;
/** Usually stdout, but can be altered by the user */
char *log_path;
FILE *log_file;
/** Print more detailed traffic statistics if non zero value */
int print_stats;
/** Password (must be the same on proxy and client for authentica tion to succeed) */
char *password;
/** MD5 digest of password */
md5_byte_t md5_password_digest[kMD5_digest_size];
/** SHA512 digest of password */
unsigned char sha512_password_digest[kSHA512_digest_size];
/** use UDP instead of ICMP */
int udp;
/** unpriviledged mode */
int unprivileged;
uint16_t window_size;
uint16_t ack_interval;
uint16_t resend_interval;
uint16_t payload_size;
uint16_t empty_pings;
#ifndef WIN32
/** run as daemon if non zero value */
int daemonize;
/** PIDFILE if running as daemon */
char *pid_path;
FILE *pid_file;
/** log to syslog if non zero value */
int use_syslog;
/** UID of the running process */
uid_t uid;
/** GID of the running process */
gid_t gid;
/** CHROOT dir */
int chroot;
char *root_dir;
#endif
#ifdef HAVE_SELINUX
/** Non zero value if uer wants SeLinux */
int selinux;
/** SeLinux context name */
char *selinux_context;
#endif
};
extern struct options opts;
void print_usage(const char *arg0);
int parse_options(int argc, char **argv);
#endif
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