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/**
** Simple entropy harvester based upon the havege RNG
**
** Copyright 2018-2024 Jirka Hladky hladky DOT jiri AT gmail DOT com
** Copyright 2009-2014 Gary Wuertz gary@issiweb.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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef HAVEGED_H
#define HAVEGED_H
#include "havege.h"
/**
* Settings - default values declared in haveged.c
*/
struct pparams {
char *daemon; /* Daemon name - default is "haveged" */
H_UINT exit_code; /* Exit code */
H_UINT setup; /* setup options */
H_UINT ncores; /* number of cores to use */
H_UINT buffersz; /* size of collection buffer (kb) */
H_UINT detached; /* non-zero if daemonized */
H_UINT foreground; /* non-zero if running in foreground */
H_UINT once; /* 1: refill entropy once and quit immediatelly */
H_UINT run_level; /* type of run 0=daemon,1=setup,2=pip,sample kb */
H_UINT d_cache; /* size of data cache (kb) */
H_UINT i_cache; /* size of instruction cache (kb) */
H_UINT low_water; /* write threshold to set - 0 for none */
char *tests_config; /* online test configuration */
char *os_rel; /* path to operating system release */
char *pid_file; /* name of pid file */
char *poolsize; /* path to poolsize */
char *random_device; /* path to random device */
char *sample_in; /* input path for injection diagnostic */
char *sample_out; /* path to sample file */
H_UINT verbose; /* Output level for log or stdout */
char *version; /* Our version */
char *watermark; /* path to write_wakeup_threshold */
char *command; /* command which will be send/received */
H_UINT time_interval; /* Time interval in seconds to add entropy unconditionally */
};
/**
* Buffer size used when not running as daemon
*/
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#define APP_BUFF_SIZE 1024
#define INPUT_DEFAULT "data"
#define OUTPUT_DEFAULT "sample"
#define PID_DEFAULT "/var/run/haveged.pid"
#define TIME_INTERVAL 60
#define PSELECT_TIMEOUT 2
/**
* Setup options (for app)
*/
#define RUN_AS_APP 0x001
#define RANGE_SPEC 0x002
#define USE_STDOUT 0x004
#define CAPTURE 0x008
#define INJECT 0x010
#define RUN_IN_FG 0x020
#define SET_LWM 0x040
#define MULTI_CORE 0x080
#define CMD_MODE 0x100
#define RUN_ONCE 0x200
/**
* Default tests settings
*/
#define TESTS_DEFAULT_APP "ta8b" /* startup tests */
#define TESTS_DEFAULT_RUN "ta8bcb" /* startup + continuous B */
/**
* Run levels for diagnostic build
*/
#define DIAG_RUN_CAPTURE 2 /* output clock ticks */
#define DIAG_RUN_INJECT 4 /* inject clock ticks */
#define DIAG_RUN_TEST 8 /* inject test data */
/**
* Status/monitoring information
*/
typedef struct {
H_UINT n_fill; /* number times filled */
double etime; /* milliseconds for last collection */
double estart; /* start time for calculation */
} H_METER;
/**
* Bail....
*/
void error_exit(const char *, ...);
/**
* Execution notices - to stderr or syslog
*/
void print_msg(const char *, ...);
#endif
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