Amanda client version

# SPDX-FileCopyrightText: 2005 Paul J. Ewing Jr.
# 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("1.3.6.1.4.1.25623.1.0.10462");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  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_name("Amanda client version");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2005 Paul J. Ewing Jr.");
  script_family("Service detection");
  script_require_udp_ports(10080, 10081);

  script_tag(name:"summary", value:"This detects the Amanda backup system client
  version. The client version gives potential attackers additional
  information about the system they are attacking.");

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

  exit(0);
}

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

function get_version( soc, port, timeout ) {

  local_var result, temp, version, data;

  if ( ! isnull( timeout ) )
    result = recv( socket:soc, length:2048, timeout:timeout );
  else
    result = recv( socket:soc, length:2048 );

  if( result ) {
    if( egrep( pattern:"^[^ ]+ [0-9]+\.[0-9]+", string:result ) ) {
      temp = strstr( result, " " );
      temp = temp - " ";
      temp = strstr( temp, " " );
      version = result - temp;
      data = string( "Amanda version: ", version );
      log_message( port:port, data:data, protocol:"udp" );
      service_register( port:port, ipproto:"udp", proto:"amanda" );
      set_kb_item( name:"Amanda/running", value:TRUE );
    }
  }
}

req = 'Amanda 2.3 REQ HANDLE 000-65637373 SEQ 954568800\nSERVICE ' + rand_str( length:8 ) + '\n';

port1 = 10080;
if( get_udp_port_state( port1 ) ) {
  soc1 = open_sock_udp( port1 );
  if( soc1 ) {
    send( socket:soc1, data:req );
    get_version( soc:soc1, port:port1, timeout:NULL );
    close( soc1 );
  }
}

port2 = 10081;
if( get_udp_port_state( port2 ) ) {
  soc2 = open_sock_udp( port2 );
  if( soc2 ) {
    send( socket:soc2, data:req );
    get_version( soc:soc2, port:port2, timeout:1 );
    close( soc2 );
  }
}

exit( 0 );