From db78235ecd278c786526c131587c57db6ed2215e Mon Sep 17 00:00:00 2001
From: Sam Therapy <sam@samtherapy.net>
Date: Thu, 23 Jun 2022 23:18:54 +0200
Subject: [PATCH] hehe off-by-one

Signed-off-by: Sam Therapy <sam@samtherapy.net>
---
 cli.go      |  2 +-
 util/dns.go | 47 -----------------------------------------------
 2 files changed, 1 insertion(+), 48 deletions(-)
 delete mode 100644 util/dns.go

diff --git a/cli.go b/cli.go
index 76945a4..f59b880 100644
--- a/cli.go
+++ b/cli.go
@@ -186,7 +186,7 @@ func parseArgs(args []string) (util.Answers, error) {
 			// TODO: Actually find where windows stuffs its dns resolvers
 			resp.Answers.Server = "8.8.4.4"
 		} else {
-			resp.Answers.Server = resolv.Servers[rand.Intn(len(resolv.Servers)-1)]
+			resp.Answers.Server = resolv.Servers[rand.Intn(len(resolv.Servers))]
 		}
 	}
 
diff --git a/util/dns.go b/util/dns.go
deleted file mode 100644
index 35c3b9b..0000000
--- a/util/dns.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package util
-
-import (
-	"encoding/base64"
-	"fmt"
-	"io"
-	"net/http"
-
-	"github.com/miekg/dns"
-)
-
-func ResolveHTTPS(msg *dns.Msg, server string) (*dns.Msg, error) {
-	httpR := &http.Client{}
-	buf, err := msg.Pack()
-	if err != nil {
-		return nil, err
-	}
-	query := server + "?dns=" + base64.RawURLEncoding.EncodeToString(buf)
-	req, err := http.NewRequest("GET", query, nil)
-	if err != nil {
-		return nil, err
-	}
-	req.Header.Set("Accept", "application/dns-message")
-
-	res, err := httpR.Do(req)
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-
-	if res.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("bad HTTP Request: %d", res.StatusCode)
-	}
-
-	fullRes, err := io.ReadAll(res.Body)
-	if err != nil {
-		return nil, err
-	}
-	response := dns.Msg{}
-	err = response.Unpack(fullRes)
-	if err != nil {
-		return nil, err
-	}
-
-	return &response, nil
-
-}