From e49701af156e5a15914f9541294e2c47ea524c25 Mon Sep 17 00:00:00 2001
From: meera <meer@localhost>
Date: Tue, 14 Jul 2026 17:18:56 +0300
Subject: [PATCH] main.go change

---
 main.go | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/main.go b/main.go
index a6386bf..56a7bb8 100644
--- a/main.go
+++ b/main.go
@@ -6,7 +6,9 @@ package main
 
 import (
 	"bufio"
+	"crypto/sha256"
 	"encoding/base64"
+	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"log"
@@ -501,7 +503,6 @@ func joinChannel(c *Client, name string) {
 	}
 	c.sendNames(ch)
 }
-
 func (c *Client) partChannel(name string) {
 	chMu.Lock()
 	ch, ok := channels[name]
@@ -517,7 +518,7 @@ func (c *Client) partChannel(name string) {
 		fmt.Fprintf(member.conn, ":%s PART %s\r\n", c.nick, name)
 	}
 	ch.mu.Unlock()
-	//broadcastNames(ch)
+	broadcastNames(ch)
 }
 func addChannel(name string, description string) {
 	name = normalizeChannelName(name)
@@ -684,7 +685,7 @@ func sendNotice(sender *Client, target string, text string) {
 }
 
 // utils
-func (c *Client) fwrite(format string, args ...interface{}) {
+func (c *Client) fwrite(format string, args ...any) {
 	fmt.Fprintf(c.conn, format, args...)
 }
 
@@ -701,19 +702,26 @@ func normalizeChannelName(name string) string {
 func checkCredentials(user, pass string) bool {
 	file, err := os.Open("accounts.txt")
 	if err != nil {
+		log.Printf("checkCredentials: open error: %v", err)
 		return false
 	}
 	defer file.Close()
 
+	passHash := sha256.Sum256([]byte(pass))
+	passHex := hex.EncodeToString(passHash[:])
+
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
 		fields := strings.Fields(scanner.Text())
 		if len(fields) < 2 {
 			continue
 		}
-		if fields[0] == user && fields[1] == pass {
+		if fields[0] == user && fields[1] == passHex {
 			return true
 		}
 	}
-	return scanner.Err() == nil && false
+	if err := scanner.Err(); err != nil {
+		log.Printf("checkCredentials: scanner error: %v", err)
+	}
+	return false
 }