1 files changed, 29 insertions, 0 deletions
diff --git a/libbb/pw_encrypt.c b/libbb/pw_encrypt.c
new file mode 100644
index 000000000..d546bc883
--- /dev/null
+++ b/libbb/pw_encrypt.c
@@ -0,0 +1,29 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routine.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+#include <crypt.h>
+
+char *pw_encrypt(const char *clear, const char *salt)
+{
+	static char cipher[128];
+	char *cp;
+
+#if 0 /* was CONFIG_FEATURE_SHA1_PASSWORDS, but there is no such thing??? */
+	if (strncmp(salt, "$2$", 3) == 0) {
+		return sha1_crypt(clear);
+	}
+#endif
+	cp = (char *) crypt(clear, salt);
+	/* if crypt (a nonstandard crypt) returns a string too large,
+	   truncate it so we don't overrun buffers and hope there is
+	   enough security in what's left */
+	safe_strncpy(cipher, cp, sizeof(cipher));
+	return cipher;
+}