40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From 200a9669fbf6f06894e4243cccc9fc11a1a6073a Mon Sep 17 00:00:00 2001
|
|
From: Denys Vlasenko <vda.linux@googlemail.com>
|
|
Date: Mon, 10 Apr 2023 17:26:04 +0200
|
|
Subject: [PATCH] seedrng: fix for glibc <= 2.24 not providing getrandom()
|
|
|
|
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
|
|
Upstream: https://git.busybox.net/busybox/commit/?id=200a9669fbf6f06894e4243cccc9fc11a1a6073a
|
|
---
|
|
miscutils/seedrng.c | 14 ++++++++++++++
|
|
1 file changed, 14 insertions(+)
|
|
|
|
diff --git a/miscutils/seedrng.c b/miscutils/seedrng.c
|
|
index 967741dc7..7cc855141 100644
|
|
--- a/miscutils/seedrng.c
|
|
+++ b/miscutils/seedrng.c
|
|
@@ -45,6 +45,20 @@
|
|
#include <sys/random.h>
|
|
#include <sys/file.h>
|
|
|
|
+/* Fix up glibc <= 2.24 not having getrandom() */
|
|
+#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ <= 24
|
|
+#include <sys/syscall.h>
|
|
+# define getrandom(...) bb_getrandom(__VA_ARGS__)
|
|
+static ssize_t getrandom(void *buffer, size_t length, unsigned flags)
|
|
+{
|
|
+# if defined(__NR_getrandom)
|
|
+ return syscall(__NR_getrandom, buffer, length, flags);
|
|
+# else
|
|
+ return ENOSYS;
|
|
+# endif
|
|
+}
|
|
+#endif
|
|
+
|
|
#ifndef GRND_INSECURE
|
|
#define GRND_INSECURE 0x0004 /* Apparently some headers don't ship with this yet. */
|
|
#endif
|
|
--
|
|
2.39.1
|
|
|