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61af3de3 JG |
1 | /* |
2 | * rngd.h -- rngd globals | |
3 | * | |
4 | * Copyright (C) 2001 Philipp Rumpf | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
d1b4c504 | 10 | * |
61af3de3 JG |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
d32709d1 | 18 | * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA |
61af3de3 JG |
19 | */ |
20 | ||
21 | #ifndef RNGD__H | |
22 | #define RNGD__H | |
23 | ||
24 | #define _GNU_SOURCE | |
25 | ||
26 | #include "rng-tools-config.h" | |
27 | ||
28 | #include <unistd.h> | |
29 | #include <stdint.h> | |
62838c65 | 30 | #include <stdbool.h> |
61af3de3 JG |
31 | #include <stdio.h> |
32 | #include <syslog.h> | |
33 | ||
34 | #include "fips.h" | |
35 | ||
62838c65 JG |
36 | enum { |
37 | MAX_RNG_FAILURES = 25, | |
db508e37 | 38 | RNG_OK_CREDIT = 1000, /* ~1:1250 false positives */ |
62838c65 JG |
39 | }; |
40 | ||
61af3de3 JG |
41 | /* Command line arguments and processing */ |
42 | struct arguments { | |
43 | char *random_name; | |
c192b4cf | 44 | char *pid_file; |
d1b4c504 | 45 | |
61af3de3 JG |
46 | int random_step; |
47 | int fill_watermark; | |
61af3de3 | 48 | |
ca6941f8 JG |
49 | bool quiet; |
50 | bool verbose; | |
51 | bool daemon; | |
2a014536 | 52 | bool enable_drng; |
ca6941f8 | 53 | bool enable_tpm; |
61af3de3 JG |
54 | }; |
55 | extern struct arguments *arguments; | |
56 | ||
d1b4c504 JG |
57 | /* structures to store rng information */ |
58 | struct rng { | |
59 | char *rng_name; | |
60 | int rng_fd; | |
62838c65 JG |
61 | bool disabled; |
62 | int failures; | |
db508e37 | 63 | int success; |
d1b4c504 JG |
64 | |
65 | int (*xread) (void *buf, size_t size, struct rng *ent_src); | |
66 | fips_ctx_t *fipsctx; | |
67 | ||
68 | struct rng *next; | |
69 | }; | |
70 | ||
61af3de3 | 71 | /* Background/daemon mode */ |
ca6941f8 | 72 | extern bool am_daemon; /* True if we went daemon */ |
61af3de3 JG |
73 | |
74 | ||
75 | /* | |
76 | * Routines and macros | |
77 | */ | |
78 | #define message(priority,fmt,args...) do { \ | |
79 | if (am_daemon) { \ | |
80 | syslog((priority), fmt, ##args); \ | |
81 | } else { \ | |
82 | fprintf(stderr, fmt, ##args); \ | |
83 | fprintf(stderr, "\n"); \ | |
84 | } \ | |
85 | } while (0) | |
86 | ||
a26d20cf | 87 | extern void src_list_add(struct rng *ent_src); |
c192b4cf | 88 | extern int write_pid_file(const char *pid_fn); |
61af3de3 JG |
89 | #endif /* RNGD__H */ |
90 |