Adding upstream version 3.7.9.upstream/3.7.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/lib/mem.h b/lib/mem.h
new file mode 100644
index 0000000..3082aa8
--- /dev/null
+++ b/lib/mem.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2000-2012 Free Software Foundation, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * The GnuTLS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef GNUTLS_LIB_MEM_H
+#define GNUTLS_LIB_MEM_H
+
+#include "config.h"
+
+#ifdef HAVE_SANITIZER_ASAN_INTERFACE_H
+#include <sanitizer/asan_interface.h>
+#endif
+
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+#include <valgrind/memcheck.h>
+#endif
+
+/* These realloc functions will return ptr if size==0, and will free
+ * the ptr if the new allocation failed.
+ */
+void *gnutls_realloc_fast(void *ptr, size_t size);
+void *_gnutls_reallocarray_fast(void *ptr, size_t nmemb, size_t size);
+
+char *_gnutls_strdup(const char *);
+
+void *_gnutls_reallocarray(void *, size_t, size_t);
+
+unsigned _gnutls_mem_is_zero(const uint8_t *ptr, unsigned size);
+
+#define zrelease_mpi_key(mpi) if (*mpi!=NULL) { \
+		_gnutls_mpi_clear(*mpi); \
+		_gnutls_mpi_release(mpi); \
+	}
+
+#define zeroize_key(x, size) gnutls_memset(x, 0, size)
+
+#define zeroize_temp_key zeroize_key
+#define zrelease_temp_mpi_key zrelease_mpi_key
+
+static inline void
+_gnutls_memory_mark_undefined(void *addr, size_t size)
+{
+#ifdef HAVE_SANITIZER_ASAN_INTERFACE_H
+	ASAN_POISON_MEMORY_REGION(addr, size);
+#endif
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+	if (RUNNING_ON_VALGRIND)
+		VALGRIND_MAKE_MEM_UNDEFINED(addr, size);
+#endif
+}
+
+static inline void
+_gnutls_memory_mark_defined(void *addr, size_t size)
+{
+#ifdef HAVE_SANITIZER_ASAN_INTERFACE_H
+	ASAN_UNPOISON_MEMORY_REGION(addr, size);
+#endif
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+	if (RUNNING_ON_VALGRIND)
+		VALGRIND_MAKE_MEM_DEFINED(addr, size);
+#endif
+}
+
+#endif /* GNUTLS_LIB_MEM_H */