From 7f0ea220a3de96081d4b1489a83173556aa49b05 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 31 Aug 2018 09:56:24 +0000
Subject: random.c: SecRandomCopyBytes

* random.c (fill_random_bytes_syscall): use SecRandomCopyBytes in
  Security framework on macOS 10.7 or later.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 random.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'random.c')

diff --git a/random.c b/random.c
index 0b0038cac8..4add8868fb 100644
--- a/random.c
+++ b/random.c
@@ -470,6 +470,26 @@ fill_random_bytes_urandom(void *seed, size_t size)
 #endif
 
 #if 0
+#elif defined __APPLE__ && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7
+#include <Security/Security.h>
+
+static int
+fill_random_bytes_syscall(void *seed, size_t size, int unused)
+{
+    int status = SecRandomCopyBytes(kSecRandomDefault, size, seed);
+
+    if (status != errSecSuccess) {
+# if 0
+        CFStringRef s = SecCopyErrorMessageString(status, NULL);
+        const char *m = s ? CFStringGetCStringPtr(s, kCFStringEncodingUTF8) : NULL;
+        fprintf(stderr, "SecRandomCopyBytes failed: %d: %s\n", status,
+                m ? m : "unknown");
+        if (s) CFRelease(s);
+# endif
+        return -1;
+    }
+    return 0;
+}
 #elif defined(HAVE_ARC4RANDOM_BUF)
 static int
 fill_random_bytes_syscall(void *buf, size_t size, int unused)
-- 
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