1 files changed, 57 insertions, 0 deletions
diff --git a/include/sudo_rand.h b/include/sudo_rand.h
new file mode 100644
index 0000000..d030ed0
--- /dev/null
+++ b/include/sudo_rand.h
@@ -0,0 +1,57 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+#ifndef SUDO_RAND_H
+#define SUDO_RAND_H
+
+#include <stdlib.h>	/* For arc4random() on systems that have it */
+
+/*
+ * All libc replacements are prefixed with "sudo_" to avoid namespace issues.
+ */
+
+#ifndef HAVE_ARC4RANDOM
+sudo_dso_public uint32_t sudo_arc4random(void);
+# undef arc4random
+# define arc4random() sudo_arc4random()
+#endif /* ARC4RANDOM */
+
+#ifndef HAVE_ARC4RANDOM_BUF
+sudo_dso_public void sudo_arc4random_buf(void *buf, size_t n);
+# undef arc4random_buf
+# define arc4random_buf(a, b) sudo_arc4random_buf((a), (b))
+#endif /* ARC4RANDOM_BUF */
+
+#ifndef HAVE_ARC4RANDOM_UNIFORM
+sudo_dso_public uint32_t sudo_arc4random_uniform(uint32_t upper_bound);
+# undef arc4random_uniform
+# define arc4random_uniform(_a) sudo_arc4random_uniform((_a))
+#endif /* ARC4RANDOM_UNIFORM */
+
+#ifndef HAVE_GETENTROPY
+/* Note: not exported by libutil. */
+int sudo_getentropy(void *buf, size_t buflen);
+# undef getentropy
+# define getentropy(_a, _b) sudo_getentropy((_a), (_b))
+#endif /* HAVE_GETENTROPY */
+
+#endif /* SUDO_RAND_H */