From 87c71978e556d532a5b91a653514a92acec9a1b7 Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Mon, 22 Jan 2018 15:23:20 +0100 Subject: arc4random added --- code/ecp/crypto/compat/arc4random_linux.h | 88 ------------------------------- 1 file changed, 88 deletions(-) delete mode 100644 code/ecp/crypto/compat/arc4random_linux.h (limited to 'code/ecp/crypto/compat/arc4random_linux.h') diff --git a/code/ecp/crypto/compat/arc4random_linux.h b/code/ecp/crypto/compat/arc4random_linux.h deleted file mode 100644 index 879f966..0000000 --- a/code/ecp/crypto/compat/arc4random_linux.h +++ /dev/null @@ -1,88 +0,0 @@ -/* $OpenBSD: arc4random_linux.h,v 1.11 2016/06/30 12:19:51 bcook Exp $ */ - -/* - * Copyright (c) 1996, David Mazieres - * Copyright (c) 2008, Damien Miller - * Copyright (c) 2013, Markus Friedl - * Copyright (c) 2014, Theo de Raadt - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* - * Stub functions for portability. - */ - -#include - -#include -#include - -static pthread_mutex_t arc4random_mtx = PTHREAD_MUTEX_INITIALIZER; -#define _ARC4_LOCK() pthread_mutex_lock(&arc4random_mtx) -#define _ARC4_UNLOCK() pthread_mutex_unlock(&arc4random_mtx) - -#ifdef __GLIBC__ -extern void *__dso_handle; -extern int __register_atfork(void (*)(void), void(*)(void), void (*)(void), void *); -#define _ARC4_ATFORK(f) __register_atfork(NULL, NULL, (f), __dso_handle) -#else -#define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f)) -#endif - -static inline void -_getentropy_fail(void) -{ - raise(SIGKILL); -} - -static volatile sig_atomic_t _rs_forked; - -static inline void -_rs_forkhandler(void) -{ - _rs_forked = 1; -} - -static inline void -_rs_forkdetect(void) -{ - static pid_t _rs_pid = 0; - pid_t pid = getpid(); - - /* XXX unusual calls to clone() can bypass checks */ - if (_rs_pid == 0 || _rs_pid == 1 || _rs_pid != pid || _rs_forked) { - _rs_pid = pid; - _rs_forked = 0; - if (rs) - memset(rs, 0, sizeof(*rs)); - } -} - -static inline int -_rs_allocate(struct _rs **rsp, struct _rsx **rsxp) -{ - if ((*rsp = mmap(NULL, sizeof(**rsp), PROT_READ|PROT_WRITE, - MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED) - return (-1); - - if ((*rsxp = mmap(NULL, sizeof(**rsxp), PROT_READ|PROT_WRITE, - MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED) { - munmap(*rsp, sizeof(**rsp)); - *rsp = NULL; - return (-1); - } - - _ARC4_ATFORK(_rs_forkhandler); - return (0); -} -- cgit v1.2.3