From 074e790c67b353044ee0ea2761bc2f36ab308101 Mon Sep 17 00:00:00 2001
From: Kevin Munoz <kmunoz@condorbs.net>
Date: Sun, 17 Nov 2024 09:06:33 -0500
Subject: [PATCH] mejora de deteccion de servidores de correo

---
 sevo | 62 +++++++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 43 insertions(+), 19 deletions(-)

diff --git a/sevo b/sevo
index 7ce5325..ecd2a8a 100755
--- a/sevo
+++ b/sevo
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Versión del script
-VERSION="1.0.0"
+VERSION="1.1.0"
 
 # Colores y símbolos
 RED='\033[0;31m'
@@ -229,30 +229,54 @@ EOF
   fingerprint_server() {
     local response=$1
     local server_info=$(echo "$response" | grep -i "^220" | head -n1)
+    local additional_info=$(echo "$response" | grep -i "at your service" | head -n1)
+    
+    if [[ $server_info =~ "mx.google.com" ]] || [[ $server_info =~ "gmail-smtp" ]] || [[ $additional_info =~ "mx.google.com" ]]; then
+        if [[ $server_info =~ "gsmtp" ]]; then
+            if [[ $HOSTNAME =~ "gmail-smtp" ]]; then
+                log "INFO" "Servidor detectado: Google Gmail (SMTP)"
+            elif [[ $HOSTNAME =~ "aspmx" ]]; then
+                log "INFO" "Servidor detectado: Google Workspace"
+            elif [[ $HOSTNAME =~ "google" ]]; then
+                log "INFO" "Servidor detectado: Google Mail Services"
+            else
+                log "INFO" "Servidor detectado: Google Mail Infrastructure"
+            fi
+            [[ $VERBOSE == true ]] && log "DEBUG" "Motor SMTP: Google SMTP (gsmtp)"
+        fi
 
-    if [[ $server_info =~ "Microsoft" ]]; then
-      log "INFO" "Servidor detectado: Microsoft Exchange/Office 365"
-      [[ $VERBOSE == true ]] && log "DEBUG" "Sistema de correo empresarial Microsoft"
-    elif [[ $server_info =~ "Google" ]]; then
-      log "INFO" "Servidor detectado: Google Workspace"
-      [[ $VERBOSE == true ]] && log "DEBUG" "Sistema de correo Google Workspace"
+        if [[ $response =~ "STARTTLS" ]]; then
+            [[ $VERBOSE == true ]] && log "DEBUG" "Soporta: STARTTLS (Cifrado TLS)"
+        fi
+        if [[ $response =~ "SMTPUTF8" ]]; then
+            [[ $VERBOSE == true ]] && log "DEBUG" "Soporta: SMTPUTF8 (Caracteres internacionales)"
+        fi
+        if [[ $response =~ "SIZE" ]]; then
+            local size=$(echo "$response" | grep -i "SIZE" | grep -oP '\d+')
+            [[ $VERBOSE == true ]] && log "DEBUG" "Tamaño máximo de mensaje: $(($size/1024/1024))MB"
+        fi
+        
+        return 0
+    elif [[ $server_info =~ "Microsoft" ]]; then
+        log "INFO" "Servidor detectado: Microsoft Exchange/Office 365"
+        [[ $VERBOSE == true ]] && log "DEBUG" "Sistema de correo empresarial Microsoft Exchange"
     elif [[ $server_info =~ "Postfix" ]]; then
-      log "INFO" "Servidor detectado: Postfix"
-      [[ $VERBOSE == true ]] && log "DEBUG" "Servidor de correo Postfix (Linux)"
+        log "INFO" "Servidor detectado: Postfix"
+        [[ $VERBOSE == true ]] && log "DEBUG" "Servidor de correo Postfix (Linux)"
     elif [[ $server_info =~ "Exim" ]]; then
-      log "INFO" "Servidor detectado: Exim"
-      [[ $VERBOSE == true ]] && log "DEBUG" "Servidor de correo Exim"
+        log "INFO" "Servidor detectado: Exim"
+        [[ $VERBOSE == true ]] && log "DEBUG" "Servidor de correo Exim"
     elif [[ $server_info =~ "Sendmail" ]]; then
-      log "INFO" "Servidor detectado: Sendmail"
-      [[ $VERBOSE == true ]] && log "DEBUG" "Servidor de correo Sendmail"
+        log "INFO" "Servidor detectado: Sendmail"
+        [[ $VERBOSE == true ]] && log "DEBUG" "Servidor de correo Sendmail"
     elif [[ $server_info =~ "Zimbra" ]]; then
-      log "INFO" "Servidor detectado: Zimbra"
-      [[ $VERBOSE == true ]] && log "DEBUG" "Suite de colaboración Zimbra"
+        log "INFO" "Servidor detectado: Zimbra"
+        [[ $VERBOSE == true ]] && log "DEBUG" "Suite de colaboración Zimbra"
     else
-      log "INFO" "Servidor no identificado específicamente"
-      [[ $VERBOSE == true ]] && log "DEBUG" "Banner del servidor: $server_info"
+        log "INFO" "Servidor no identificado específicamente"
+        [[ $VERBOSE == true ]] && log "DEBUG" "Banner del servidor: $server_info"
     fi
-  }
+}
 
   validate_email() {
     local email=$1
@@ -296,7 +320,7 @@ EOF
     if [ -n "$primary_mx" ]; then
       [[ $STEALTH == true ]] && sleep $DELAY
 
-      echo -ne "${LOADING} Iniciando diálogo con $primary_mx "
+      echo -ne "${LOADING}  Iniciando diálogo con $primary_mx "
 
         temp_commands=$(mktemp)
         {