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- /* $MirOS: contrib/hosted/fwcf/sys_linux.c,v 1.3 2006/09/26 10:25:03 tg Exp $ */
- /*-
- * Copyright (c) 2006
- * Thorsten Glaser <tg@mirbsd.de>
- *
- * Licensee is hereby permitted to deal in this work without restric-
- * tion, including unlimited rights to use, publicly perform, modify,
- * merge, distribute, sell, give away or sublicence, provided all co-
- * pyright notices above, these terms and the disclaimer are retained
- * in all redistributions or reproduced in accompanying documentation
- * or other materials provided with binary redistributions.
- *
- * Licensor offers the work "AS IS" and WITHOUT WARRANTY of any kind,
- * express, or implied, to the maximum extent permitted by applicable
- * law, without malicious intent or gross negligence; in no event may
- * licensor, an author or contributor be held liable for any indirect
- * or other damage, or direct damage except proven a consequence of a
- * direct error of said person and intended use of this work, loss or
- * other issues arising in any way out of its use, even if advised of
- * the possibility of such damage or existence of a defect.
- */
- #include <err.h>
- #include <fcntl.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include "defs.h"
- #include "sysdeps.h"
- __RCSID("$MirOS: contrib/hosted/fwcf/sys_linux.c,v 1.3 2006/09/26 10:25:03 tg Exp $");
- void
- pull_rndata(uint8_t *buf, size_t n)
- {
- int fd;
- if ((fd = open("/dev/urandom", O_RDONLY)) < 0) {
- warn("Cannot open /dev/urandom for %sing", "read");
- return;
- }
- if ((size_t)read(fd, buf, n) != n)
- warn("Cannot read %lu bytes from /dev/urandom", (u_long)n);
- close(fd);
- }
- void
- push_rndata(uint8_t *buf, size_t n)
- {
- int fd;
- if ((fd = open("/dev/urandom", O_WRONLY)) < 0) {
- warn("Cannot open /dev/urandom for %sing", "writ");
- return;
- }
- if ((size_t)write(fd, buf, n) != n)
- warn("Cannot write %lu bytes to /dev/urandom", (u_long)n);
- close(fd);
- }
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