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authorwbx <wbx@hydrogenium.(none)>2009-05-17 14:41:34 +0200
committerwbx <wbx@hydrogenium.(none)>2009-05-17 14:41:34 +0200
commit219a6dab8995aad9ac4860cc1a84d6f3509a03a4 (patch)
treeb9c0f3c43aebba2fcfef777592d0add39f2072f4 /package/cfgfs/src/sys_linux.c
Initial import
Diffstat (limited to 'package/cfgfs/src/sys_linux.c')
-rw-r--r--package/cfgfs/src/sys_linux.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/package/cfgfs/src/sys_linux.c b/package/cfgfs/src/sys_linux.c
new file mode 100644
index 000000000..38283a44d
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+++ b/package/cfgfs/src/sys_linux.c
@@ -0,0 +1,61 @@
+/* $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);
+}