diff options
author | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
---|---|---|
committer | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
commit | eb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch) | |
tree | edb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libcrypto/arc4random/arc4random_linux.h | |
parent | 247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff) | |
download | openbsd-tb_20250414.tar.gz openbsd-tb_20250414.tar.bz2 openbsd-tb_20250414.zip |
This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libcrypto/arc4random/arc4random_linux.h')
-rw-r--r-- | src/lib/libcrypto/arc4random/arc4random_linux.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/lib/libcrypto/arc4random/arc4random_linux.h b/src/lib/libcrypto/arc4random/arc4random_linux.h deleted file mode 100644 index 5e1cf34e6e..0000000000 --- a/src/lib/libcrypto/arc4random/arc4random_linux.h +++ /dev/null | |||
@@ -1,88 +0,0 @@ | |||
1 | /* $OpenBSD: arc4random_linux.h,v 1.12 2019/07/11 10:37:28 inoguchi Exp $ */ | ||
2 | |||
3 | /* | ||
4 | * Copyright (c) 1996, David Mazieres <dm@uun.org> | ||
5 | * Copyright (c) 2008, Damien Miller <djm@openbsd.org> | ||
6 | * Copyright (c) 2013, Markus Friedl <markus@openbsd.org> | ||
7 | * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org> | ||
8 | * | ||
9 | * Permission to use, copy, modify, and distribute this software for any | ||
10 | * purpose with or without fee is hereby granted, provided that the above | ||
11 | * copyright notice and this permission notice appear in all copies. | ||
12 | * | ||
13 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
14 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
15 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
16 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
17 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
18 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
19 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
20 | */ | ||
21 | |||
22 | /* | ||
23 | * Stub functions for portability. | ||
24 | */ | ||
25 | |||
26 | #include <sys/mman.h> | ||
27 | |||
28 | #include <pthread.h> | ||
29 | #include <signal.h> | ||
30 | |||
31 | static pthread_mutex_t arc4random_mtx = PTHREAD_MUTEX_INITIALIZER; | ||
32 | #define _ARC4_LOCK() pthread_mutex_lock(&arc4random_mtx) | ||
33 | #define _ARC4_UNLOCK() pthread_mutex_unlock(&arc4random_mtx) | ||
34 | |||
35 | #if defined(__GLIBC__) && !(defined(__UCLIBC__) && !defined(__ARCH_USE_MMU__)) | ||
36 | extern void *__dso_handle; | ||
37 | extern int __register_atfork(void (*)(void), void(*)(void), void (*)(void), void *); | ||
38 | #define _ARC4_ATFORK(f) __register_atfork(NULL, NULL, (f), __dso_handle) | ||
39 | #else | ||
40 | #define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f)) | ||
41 | #endif | ||
42 | |||
43 | static inline void | ||
44 | _getentropy_fail(void) | ||
45 | { | ||
46 | raise(SIGKILL); | ||
47 | } | ||
48 | |||
49 | static volatile sig_atomic_t _rs_forked; | ||
50 | |||
51 | static inline void | ||
52 | _rs_forkhandler(void) | ||
53 | { | ||
54 | _rs_forked = 1; | ||
55 | } | ||
56 | |||
57 | static inline void | ||
58 | _rs_forkdetect(void) | ||
59 | { | ||
60 | static pid_t _rs_pid = 0; | ||
61 | pid_t pid = getpid(); | ||
62 | |||
63 | /* XXX unusual calls to clone() can bypass checks */ | ||
64 | if (_rs_pid == 0 || _rs_pid == 1 || _rs_pid != pid || _rs_forked) { | ||
65 | _rs_pid = pid; | ||
66 | _rs_forked = 0; | ||
67 | if (rs) | ||
68 | memset(rs, 0, sizeof(*rs)); | ||
69 | } | ||
70 | } | ||
71 | |||
72 | static inline int | ||
73 | _rs_allocate(struct _rs **rsp, struct _rsx **rsxp) | ||
74 | { | ||
75 | if ((*rsp = mmap(NULL, sizeof(**rsp), PROT_READ|PROT_WRITE, | ||
76 | MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED) | ||
77 | return (-1); | ||
78 | |||
79 | if ((*rsxp = mmap(NULL, sizeof(**rsxp), PROT_READ|PROT_WRITE, | ||
80 | MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED) { | ||
81 | munmap(*rsp, sizeof(**rsp)); | ||
82 | *rsp = NULL; | ||
83 | return (-1); | ||
84 | } | ||
85 | |||
86 | _ARC4_ATFORK(_rs_forkhandler); | ||
87 | return (0); | ||
88 | } | ||