Check lengths of various string inputs and act accordingly in extreme cases.

1 files changed, 11 insertions, 1 deletions

diff --git a/telem.lua b/telem.lua
index 9646d84..9612a4b 100755
--- a/telem.lua
+++ b/telem.lua
@@ -130,9 +130,16 @@ function do_board()
 	if string.len(board) > 18 then
 		print("Board names must be 18 characters or less!")
 		return
+	elseif string.len(board) == 0 then
+		print("New board cancelled.")
+		return
 	end
-	io.write("Description? ")
+	io.write("Board topic? (Max 48 chars)")
 	local desc = io.read()
+	if string.len(desc) > 48 then
+		print("Board topics must be 48 characters or less!")
+		return
+	end
 	-- Create directory
 	local board_dir = path.join(_BBS_ROOT, "boards", board)
 	lfs.mkdir(board_dir)
@@ -195,6 +202,9 @@ function do_new()
 	if string.len(subject) > 48 then
 		print("Thread subjects must be 48 characters or less!")
 		return
+	elseif string.len(subject) == 0 then
+		print("New thread cancelled.")
+		return
 	end
 	-- Save body of post to temp file
 	local filename = os.tmpname()