blob: 4c9fce7f2350617c4f66d751155c1969ba384e78 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* ISC license. */
#include <skalibs/sysdeps.h>
#ifdef SKALIBS_HASARC4RANDOM
#include <skalibs/nonposix.h>
#include <stdlib.h>
#include <skalibs/random.h>
int random_init ()
{
char seed[160] ;
random_makeseed(seed) ;
arc4random_addrandom((unsigned char *)seed, 160) ;
return 1 ;
}
#else
#ifdef SKALIBS_HASGETRANDOM
#include <skalibs/djbunix.h>
#include <skalibs/random.h>
int random_init ()
{
#ifdef SKALIBS_HASDEVURANDOM
char seed[160] ;
random_makeseed(seed) ;
return openwritenclose_unsafe("/dev/urandom", seed, 160) ;
#else
return 1 ;
#endif
}
#else
#include <skalibs/surf.h>
#include <skalibs/random.h>
#include "random-internal.h"
SURFSchedule surf_here = SURFSCHEDULE_ZERO ;
#ifdef SKALIBS_HASDEVURANDOM
#include <errno.h>
#include <skalibs/djbunix.h>
int random_fd = -1 ;
int random_init ()
{
int fd ;
char seed[160] ;
random_makeseed(seed) ;
surf_init(&surf_here, seed) ;
if (!openwritenclose_unsafe("/dev/urandom", seed, 160)) return 0 ;
if (random_fd < 0)
{
fd = open_readb("/dev/urandom") ;
if (fd < 0) return 0 ;
if (coe(fd) < 0)
{
int e = errno ;
fd_close(fd) ;
errno = e ;
return 0 ;
}
random_fd = fd ;
}
return 1 ;
}
#else /* default */
int random_init ()
{
char seed[160] ;
random_makeseed(seed) ;
surf_init(&surf_here, seed) ;
return 1 ;
}
#endif
#endif
#endif
|
