Advanced Message Queuing Protocol (AMQP) Detection (TCP)

# SPDX-FileCopyrightText: 2014 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105030");
  script_version("2025-03-27T05:38:50+0000");
  script_tag(name:"last_modification", value:"2025-03-27 05:38:50 +0000 (Thu, 27 Mar 2025)");
  script_tag(name:"creation_date", value:"2014-05-21 12:39:47 +0100 (Wed, 21 May 2014)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");

  script_tag(name:"qod_type", value:"remote_banner");

  script_name("Advanced Message Queuing Protocol (AMQP) Detection (TCP)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_family("Service detection");
  script_dependencies("find_service.nasl");
  script_require_ports("Services/unknown", 5672);

  script_tag(name:"summary", value:"TCP based detection of services supporting the Advanced Message
  Queuing Protocol (AMQP).");

  script_xref(name:"URL", value:"https://www.amqp.org/");

  exit(0);
}

include("host_details.inc");
include("port_service_func.inc");

port = unknownservice_get_port( default:5672 );

if( ! soc = open_sock_tcp( port ) )
  exit( 0 );

req = raw_string( "AMQP",       # Protocol (AMQP)
                  0,            # Protocol ID Major
                  0,            # Protocol ID Minor
                  0,            # Version Major
                  0 );          # Version Minor

send( socket:soc, data:req );
buf = recv( socket:soc, min:8, length:128 );
close( soc );

if( ! buf || isnull( buf ) || strlen( buf ) != 8 || substr( buf, 0, 3 ) != "AMQP" )
  exit( 0 );

service_register( port:port, proto:"amqp" );

pv = ord( buf[4] );
version = ord( buf[5] ) + "." + ord( buf[6] ) + "." + ord( buf[7] );

protocol = "unknown";

if( pv == 0 )
  protocol = "Basic";
else if( pv == 2 )
  protocol = "STARTTLS";
else if( pv == 3 )
  protocol = "SASL";

set_kb_item( name:"amqp/" + port + "/protocol", value:pv );
set_kb_item( name:"amqp/" + port + "/version", value:version );
set_kb_item( name:"amqp/" + port + "/version/raw", value:raw_string( buf[5], buf[6], buf[7] ) );
set_kb_item( name:"amqp/detected", value:TRUE );
set_kb_item( name:"amqp/tcp/detected", value:TRUE );

report = 'A service supporting the AMQP protocol is running on this host.\n\nVersion:  ' + version +
         '\nProtocol: ' + protocol;
log_message( port:port, data:report );

exit( 0 );