From 320666a13107430d8495561a092414c8b909797d Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Wed, 10 Apr 2019 18:06:04 -0400
Subject: [PATCH] just use tcsetattr directly instead of roundabout way that
 drags in mountains of syscall code.

---
 go.mod  |  1 -
 util.go | 25 ++++++++++++++++++++++---
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/go.mod b/go.mod
index 689e8df..63d0423 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,5 @@ require (
 	github.com/gorilla/mux v1.7.1
 	golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5
 	golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3
-	golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e
 	humungus.tedunangst.com/r/go-sqlite3 v1.1.2
 )
diff --git a/util.go b/util.go
index 17ea8af..a25de4f 100644
--- a/util.go
+++ b/util.go
@@ -15,6 +15,23 @@
 
 package main
 
+/*
+#include <termios.h>
+
+void
+termecho(int on)
+{
+	struct termios t;
+	tcgetattr(1, &t);
+	if (on)
+		t.c_lflag |= ECHO;
+	else
+		t.c_lflag &= ~ECHO;
+	tcsetattr(1, TCSADRAIN, &t);
+}
+*/
+import "C"
+
 import (
 	"bufio"
 	"crypto/rand"
@@ -29,7 +46,6 @@ import (
 	"strings"
 
 	"golang.org/x/crypto/bcrypt"
-	"golang.org/x/crypto/ssh/terminal"
 	_ "humungus.tedunangst.com/r/go-sqlite3"
 )
 
@@ -72,6 +88,7 @@ func initdb() {
 	signal.Notify(c, os.Interrupt)
 	go func() {
 		<-c
+		C.termecho(1)
 		fmt.Printf("\n")
 		os.Remove(dbname)
 		os.Exit(1)
@@ -97,14 +114,16 @@ func initdb() {
 		log.Print("that's way too short")
 		return
 	}
+	C.termecho(0)
 	fmt.Printf("password: ")
-	passbytes, err := terminal.ReadPassword(1)
+	pass, err := r.ReadString('\n')
+	C.termecho(1)
 	fmt.Printf("\n")
 	if err != nil {
 		log.Print(err)
 		return
 	}
-	pass := string(passbytes)
+	pass = pass[:len(pass)-1]
 	if len(pass) < 6 {
 		log.Print("that's way too short")
 		return