Move all JS interface things into .js.c files with _register() functions.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3671 ed5197a5-7fde-0310-b194-c3ffbd925b24

src/bcrypt.js.c

@@ -0,0 +1,42 @@
+#include "bcrypt.js.h"
+
+#include "ow-crypt.h"
+
+#include <sys/random.h>
+
+JSValue _crypt_hashpw(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
+JSValue _crypt_gensalt(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
+
+void tf_bcrypt_register(JSContext* context)
+{
+	JSValue global = JS_GetGlobalObject(context);
+	JSValue bcrypt = JS_NewObject(context);
+	JS_SetPropertyStr(context, global, "bCrypt", bcrypt);
+	JS_SetPropertyStr(context, bcrypt, "hashpw", JS_NewCFunction(context, _crypt_hashpw, "hashpw", 2));
+	JS_SetPropertyStr(context, bcrypt, "gensalt", JS_NewCFunction(context, _crypt_gensalt, "gensalt", 0));
+	JS_FreeValue(context, global);
+}
+
+JSValue _crypt_hashpw(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
+{
+	const char* key = JS_ToCString(context, argv[0]);
+	const char* salt = JS_ToCString(context, argv[1]);
+	char output[7 + 22 + 31 + 1];
+	char* hash = crypt_rn(key, salt, output, sizeof(output));
+	JSValue result = JS_NewString(context, hash);
+	JS_FreeCString(context, key);
+	JS_FreeCString(context, salt);
+	return result;
+}
+
+JSValue _crypt_gensalt(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
+{
+	int length;
+	JS_ToInt32(context, &length, argv[0]);
+	char buffer[16];
+	ssize_t bytes = getrandom(buffer, sizeof(buffer), 0);
+	char output[7 + 22 + 1];
+	char* salt = crypt_gensalt_rn("$2b$", length, buffer, bytes, output, sizeof(output));
+	JSValue result = JS_NewString(context, salt);
+	return result;
+}