openssl/0008-RH-Add-Kernel-FIPS-mode-flag-support-FIXSTYLE.patch
Dmitry Belyavskiy 296ae60f11 Rebasing OpenSSL to 3.5
Resolves: RHEL-80811
Resolves: RHEL-57022
Resolves: RHEL-24098
Resolves: RHEL-24097
Resolves: RHEL-86865
2025-04-16 10:23:19 +02:00

93 lines
2.4 KiB
Diff

From 9df43c7443d85c5685f87c132de448a7c4e652b5 Mon Sep 17 00:00:00 2001
From: rpm-build <rpm-build>
Date: Wed, 6 Mar 2024 19:17:15 +0100
Subject: [PATCH 08/50] RH: Add Kernel FIPS mode flag support - FIXSTYLE
Patch-name: 0009-Add-Kernel-FIPS-mode-flag-support.patch
Patch-id: 9
Patch-status: |
# # Add check to see if fips flag is enabled in kernel
From-dist-git-commit: 4334bc837fbc64d14890fdc51679a80770d498ce
---
crypto/context.c | 35 +++++++++++++++++++++++++++++++++++
include/internal/provider.h | 3 +++
2 files changed, 38 insertions(+)
diff --git a/crypto/context.c b/crypto/context.c
index f15bc3d755..614c8a2c88 100644
--- a/crypto/context.c
+++ b/crypto/context.c
@@ -7,6 +7,7 @@
* https://www.openssl.org/source/license.html
*/
+#define _GNU_SOURCE /* needed for secure_getenv */
#include "crypto/cryptlib.h"
#include <openssl/conf.h>
#include <openssl/trace.h>
@@ -19,6 +20,38 @@
#include "crypto/decoder.h"
#include "crypto/context.h"
+# include <sys/types.h>
+# include <sys/stat.h>
+# include <fcntl.h>
+# include <unistd.h>
+# include <openssl/evp.h>
+
+# define FIPS_MODE_SWITCH_FILE "/proc/sys/crypto/fips_enabled"
+
+static int kernel_fips_flag;
+
+static void read_kernel_fips_flag(void)
+{
+ char buf[2] = "0";
+ int fd;
+
+ if (secure_getenv("OPENSSL_FORCE_FIPS_MODE") != NULL) {
+ buf[0] = '1';
+ } else if ((fd = open(FIPS_MODE_SWITCH_FILE, O_RDONLY)) >= 0) {
+ while (read(fd, buf, sizeof(buf)) < 0 && errno == EINTR) ;
+ close(fd);
+ }
+
+ if (buf[0] == '1') {
+ kernel_fips_flag = 1;
+ }
+}
+
+int ossl_get_kernel_fips_flag()
+{
+ return kernel_fips_flag;
+}
+
struct ossl_lib_ctx_st {
CRYPTO_RWLOCK *lock;
OSSL_EX_DATA_GLOBAL global;
@@ -393,6 +426,8 @@ static int default_context_inited = 0;
DEFINE_RUN_ONCE_STATIC(default_context_do_init)
{
+ read_kernel_fips_flag();
+
if (!CRYPTO_THREAD_init_local(&default_context_thread_local, NULL))
goto err;
diff --git a/include/internal/provider.h b/include/internal/provider.h
index 6909a1919c..9d2e355251 100644
--- a/include/internal/provider.h
+++ b/include/internal/provider.h
@@ -111,6 +111,9 @@ int ossl_provider_init_as_child(OSSL_LIB_CTX *ctx,
const OSSL_DISPATCH *in);
void ossl_provider_deinit_child(OSSL_LIB_CTX *ctx);
+/* FIPS flag access */
+int ossl_get_kernel_fips_flag(void);
+
# ifdef __cplusplus
}
# endif
--
2.49.0