From 60bdaebcb1a5c510646bf5924c6b33c6c47c7820 Mon Sep 17 00:00:00 2001
From: Roman Lacko <xlacko1@fi.muni.cz>
Date: Mon, 8 Nov 2021 14:46:49 +0100
Subject: [PATCH] install: restore "stty echo" upon receiving SIGINT when
asking for password
---
install.pl | 25 ++++++++++++++++++-------
1 file changed, 18 insertions(+), 7 deletions(-)
diff --git a/install.pl b/install.pl
index 1273755..7d497b1 100755
--- a/install.pl
+++ b/install.pl
@@ -124,16 +124,27 @@ sub prompt_username {
return $username;
}
-sub prompt_password {
- print "Enter your faculty password: ";
- system("stty -echo");
- chomp(my $password1 = <STDIN>);
- system("stty echo");
- print "\nRepeat your faculty password: ";
+sub prompt_secret {
+ my ($prompt) = @_;
+ print "$prompt: ";
+
+ local $SIG{INT} = sub {
+ system("stty echo");
+ exit 1;
+ };
+
+ my $value;
system("stty -echo");
- chomp(my $password2 = <STDIN>);
+ chomp($value = <STDIN>);
system("stty echo");
+
print "\n";
+ return $value;
+}
+
+sub prompt_password {
+ my $password1 = prompt_secret("Enter your faculty password");
+ my $password2 = prompt_secret("Repeat your faculty password");
if ($password1 ne $password2) {
die "[ERROR] Passwords do not match!";
--
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