| /* |
| * rngd.h -- rngd globals |
| * |
| * Copyright (C) 2001 Philipp Rumpf |
| * |
| * 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 2 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, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef RNGD__H |
| #define RNGD__H |
| |
| #define _GNU_SOURCE |
| |
| #include "rng-tools-config.h" |
| |
| #include <unistd.h> |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <syslog.h> |
| |
| #include "fips.h" |
| |
| enum { |
| MAX_RNG_FAILURES = 25, |
| RNG_OK_CREDIT = 1000, /* ~1:1250 false positives */ |
| }; |
| |
| /* Command line arguments and processing */ |
| struct arguments { |
| char *random_name; |
| char *pid_file; |
| |
| int random_step; |
| int fill_watermark; |
| |
| bool quiet; |
| bool verbose; |
| bool daemon; |
| bool enable_drng; |
| bool enable_tpm; |
| }; |
| extern struct arguments *arguments; |
| |
| /* structures to store rng information */ |
| struct rng { |
| char *rng_name; |
| int rng_fd; |
| bool disabled; |
| int failures; |
| int success; |
| |
| int (*xread) (void *buf, size_t size, struct rng *ent_src); |
| fips_ctx_t *fipsctx; |
| |
| struct rng *next; |
| }; |
| |
| /* Background/daemon mode */ |
| extern bool am_daemon; /* True if we went daemon */ |
| |
| |
| /* |
| * Routines and macros |
| */ |
| #define message(priority,fmt,args...) do { \ |
| if (am_daemon) { \ |
| syslog((priority), fmt, ##args); \ |
| } else { \ |
| fprintf(stderr, fmt, ##args); \ |
| fprintf(stderr, "\n"); \ |
| } \ |
| } while (0) |
| |
| extern void src_list_add(struct rng *ent_src); |
| extern int write_pid_file(const char *pid_fn); |
| #endif /* RNGD__H */ |
| |