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From 96ac8f13f4d0ee96baf5724d9f96c44c34b8606c Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Tue, 24 Aug 2021 22:40:14 +0100
Subject: [PATCH] Darwin platform allows to build on releases before
Yosemite/ios 8.
issue #16407 #16408
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16409)
---
crypto/rand/rand_unix.c | 5 +----
include/crypto/rand.h | 10 ++++++++++
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/crypto/rand/rand_unix.c b/crypto/rand/rand_unix.c
index 43f1069d151d..0f4525106af7 100644
--- a/crypto/rand/rand_unix.c
+++ b/crypto/rand/rand_unix.c
@@ -34,9 +34,6 @@
#if defined(__OpenBSD__)
# include <sys/param.h>
#endif
-#if defined(__APPLE__)
-# include <CommonCrypto/CommonRandom.h>
-#endif
#if defined(OPENSSL_SYS_UNIX) || defined(__DJGPP__)
# include <sys/types.h>
@@ -381,7 +378,7 @@ static ssize_t syscall_random(void *buf, size_t buflen)
if (errno != ENOSYS)
return -1;
}
-# elif defined(__APPLE__)
+# elif defined(OPENSSL_APPLE_CRYPTO_RANDOM)
if (CCRandomGenerateBytes(buf, buflen) == kCCSuccess)
return (ssize_t)buflen;
diff --git a/include/crypto/rand.h b/include/crypto/rand.h
index 5350d3a93119..674f840fd13c 100644
--- a/include/crypto/rand.h
+++ b/include/crypto/rand.h
@@ -20,6 +20,16 @@
# include <openssl/rand.h>
+# if defined(__APPLE__) && !defined(OPENSSL_NO_APPLE_CRYPTO_RANDOM)
+# include <Availability.h>
+# if (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000) || \
+ (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 80000)
+# define OPENSSL_APPLE_CRYPTO_RANDOM 1
+# include <CommonCrypto/CommonCryptoError.h>
+# include <CommonCrypto/CommonRandom.h>
+# endif
+# endif
+
/* forward declaration */
typedef struct rand_pool_st RAND_POOL;
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