Import mbedtls-2.27.0
Imports Mbed TLS 2.27.0 from https://github.com/ARMmbed/mbedtls.git
commit f71e28780841 ("Merge pull request #843 from
paul-elliott-arm/mbedtls-2.27.0rc0-pr") (tag mbedtls-2.27.0, v2.27.0).
Files that are not needed are removed.
cd lib/libmbedtls
rm -rf mbedtls
cp -R path/to/mbedtls-2.27.0/mbedtls .
cd mbedtls
rm CMakeLists.txt DartConfiguration.tcl Makefile
rm .gitignore .travis.yml .pylintrc .globalrc .mypy.ini BRANCHES.md
rm include/.gitignore include/CMakeLists.txt library/.gitignore
rm library/CMakeLists.txt library/Makefile
rm -rf .git .github doxygen configs programs scripts tests visualc yotta
rm -rf 3rdparty ChangeLog.d docs
rm -rf include/mbedtls/config_psa.h include/psa
rm library/psa_* library/mps_*
cd ..
git add mbedtls
This is a complete overwrite of previous code so earlier changes in the
previous branch import/mbedtls-2.22.0 will be added on top of this commit.
Signed-off-by: Jerome Forissier <jerome@forissier.org>
diff --git a/lib/libmbedtls/mbedtls/library/entropy_poll.c b/lib/libmbedtls/mbedtls/library/entropy_poll.c
index 8148aff..2c1e093 100644
--- a/lib/libmbedtls/mbedtls/library/entropy_poll.c
+++ b/lib/libmbedtls/mbedtls/library/entropy_poll.c
@@ -1,8 +1,8 @@
-// SPDX-License-Identifier: Apache-2.0
/*
* Platform-specific and custom entropy polling functions
*
- * Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
@@ -15,20 +15,14 @@
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
- *
- * This file is part of mbed TLS (https://tls.mbed.org)
*/
-#if defined(__linux__)
+#if defined(__linux__) && !defined(_GNU_SOURCE)
/* Ensure that syscall() is available even when compiling with -std=c99 */
#define _GNU_SOURCE
#endif
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "common.h"
#include <string.h>
@@ -52,7 +46,7 @@
#if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
!defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
- !defined(__HAIKU__)
+ !defined(__HAIKU__) && !defined(__midipix__)
#error "Platform entropy sources only work on Unix and Windows, see MBEDTLS_NO_PLATFORM_ENTROPY in config.h"
#endif
@@ -95,7 +89,7 @@
* Since there is no wrapper in the libc yet, use the generic syscall wrapper
* available in GNU libc and compatible libc's (eg uClibc).
*/
-#if defined(__linux__) && defined(__GLIBC__)
+#if ((defined(__linux__) && defined(__GLIBC__)) || defined(__midipix__))
#include <unistd.h>
#include <sys/syscall.h>
#if defined(SYS_getrandom)
@@ -113,7 +107,57 @@
return( syscall( SYS_getrandom, buf, buflen, flags ) );
}
#endif /* SYS_getrandom */
-#endif /* __linux__ */
+#endif /* __linux__ || __midipix__ */
+
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+#include <sys/param.h>
+#if (defined(__FreeBSD__) && __FreeBSD_version >= 1200000) || \
+ (defined(__DragonFly__) && __DragonFly_version >= 500700)
+#include <errno.h>
+#include <sys/random.h>
+#define HAVE_GETRANDOM
+static int getrandom_wrapper( void *buf, size_t buflen, unsigned int flags )
+{
+ return getrandom( buf, buflen, flags );
+}
+#endif /* (__FreeBSD__ && __FreeBSD_version >= 1200000) ||
+ (__DragonFly__ && __DragonFly_version >= 500700) */
+#endif /* __FreeBSD__ || __DragonFly__ */
+
+/*
+ * Some BSD systems provide KERN_ARND.
+ * This is equivalent to reading from /dev/urandom, only it doesn't require an
+ * open file descriptor, and provides up to 256 bytes per call (basically the
+ * same as getentropy(), but with a longer history).
+ *
+ * Documentation: https://netbsd.gw.com/cgi-bin/man-cgi?sysctl+7
+ */
+#if (defined(__FreeBSD__) || defined(__NetBSD__)) && !defined(HAVE_GETRANDOM)
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#if defined(KERN_ARND)
+#define HAVE_SYSCTL_ARND
+
+static int sysctl_arnd_wrapper( unsigned char *buf, size_t buflen )
+{
+ int name[2];
+ size_t len;
+
+ name[0] = CTL_KERN;
+ name[1] = KERN_ARND;
+
+ while( buflen > 0 )
+ {
+ len = buflen > 256 ? 256 : buflen;
+ if( sysctl(name, 2, buf, &len, NULL, 0) == -1 )
+ return( -1 );
+ buflen -= len;
+ buf += len;
+ }
+ return( 0 );
+}
+#endif /* KERN_ARND */
+#endif /* __FreeBSD__ || __NetBSD__ */
#include <stdio.h>
@@ -139,6 +183,15 @@
((void) ret);
#endif /* HAVE_GETRANDOM */
+#if defined(HAVE_SYSCTL_ARND)
+ ((void) file);
+ ((void) read_len);
+ if( sysctl_arnd_wrapper( output, len ) == -1 )
+ return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
+ *olen = len;
+ return( 0 );
+#else
+
*olen = 0;
file = fopen( "/dev/urandom", "rb" );
@@ -156,6 +209,7 @@
*olen = len;
return( 0 );
+#endif /* HAVE_SYSCTL_ARND */
}
#endif /* _WIN32 && !EFIX64 && !EFI32 */
#endif /* !MBEDTLS_NO_PLATFORM_ENTROPY */
@@ -166,13 +220,13 @@
{
((void) data);
((void) output);
- *olen = 0;
+ *olen = 0;
if( len < sizeof(unsigned char) )
return( 0 );
+ output[0] = 0;
*olen = sizeof(unsigned char);
-
return( 0 );
}
#endif