From 2afbe5d46d11a1c7dd46cd03010f838a705ba967 Mon Sep 17 00:00:00 2001
From: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Date: Wed, 5 Sep 2018 17:07:02 +0300
Subject: dmvpn-ca: confirm database overwrite

---
 dmvpn-ca | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

(limited to 'dmvpn-ca')

diff --git a/dmvpn-ca b/dmvpn-ca
index fa4d966..b8800b9 100755
--- a/dmvpn-ca
+++ b/dmvpn-ca
@@ -759,11 +759,9 @@ function print_table(tbl)
 	end
 end
 
-function confirm(object, action, tbl)
-	if not (unistd.isatty(0) and tbl[1]) then return end
-
-	io.write('The following '..object..' will be '..action..':\n\n')
-	print_table(tbl)
+function simple_confirm(func)
+	if not unistd.isatty(0) then return end
+	func()
 	io.write('\nContinue (y/n)? ')
 	io.stdout:flush()
 	local input = io.read()
@@ -771,6 +769,16 @@ function confirm(object, action, tbl)
 	io.write('\n')
 end
 
+function confirm(object, action, tbl)
+	if #tbl == 0 then return end
+	simple_confirm(
+		function()
+			io.write('The following '..object..' will be '..action..':\n\n')
+			print_table(tbl)
+		end
+	)
+end
+
 
 output = scan_choice(
 	scan_choice(
@@ -1021,6 +1029,14 @@ output = scan_choice(
 				generate=function()
 					scan_finished()
 
+					if stat.stat(config.db.file) then
+						simple_confirm(
+							function()
+								io.write('Current configuration and all keys will be lost.\n')
+							end
+						)
+					end
+
 					os.remove(config.db.file)
 					for _, statement in ipairs(
 						{
-- 
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