DistCC Detection

# SPDX-FileCopyrightText: 2005 Noam Rathaus
# 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("1.3.6.1.4.1.25623.1.0.12638");
  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("DistCC Detection");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2005 Noam Rathaus");
  script_family("Service detection");
  script_dependencies("find_service.nasl");
  script_require_ports("Services/unknown", 3632);

  script_tag(name:"summary", value:"Tries to detect if the remote host is running a DistCC service.");

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

  exit(0);
}

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

port = unknownservice_get_port( default:3632 );

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

req = string( "DIST00000001",
              "ARGC00000008",
              "ARGV00000002","cc",
              "ARGV00000002","-g",
              "ARGV00000003","-O2",
              "ARGV00000005","-Wall",
              "ARGV00000002","-c",
              "ARGV00000006","main.c",
              "ARGV00000002","-o",
              "ARGV00000006","main.o" );

send( socket:soc, data:req );

req = string( "DOTI0000001B",
              "int main()\n{\n return(0);\n}\n" );

send( socket:soc, data:req );

res = recv( socket:soc, length:255 );
close( soc );

if( "DONE00000" >< res ) {
  set_kb_item( name:"distcc/detected", value:TRUE );
  service_register( port:port, proto:"distcc" );
  log_message( port:port, data:"A DistCC service is running at this port." );
}

exit( 0 );