Kea  2.1.7-git
option_space.cc
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1 // Copyright (C) 2012-2015 Internet Systems Consortium, Inc. ("ISC")
2 //
3 // This Source Code Form is subject to the terms of the Mozilla Public
4 // License, v. 2.0. If a copy of the MPL was not distributed with this
5 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
6 
7 #include <config.h>
8 
9 #include <dhcp/option_space.h>
10 #include <boost/algorithm/string/classification.hpp>
11 #include <boost/algorithm/string/predicate.hpp>
12 
13 namespace isc {
14 namespace dhcp {
15 
16 OptionSpace::OptionSpace(const std::string& name, const bool vendor_space)
17  : name_(name), vendor_space_(vendor_space) {
18  // Check that provided option space name is valid.
19  if (!validateName(name_)) {
20  isc_throw(InvalidOptionSpace, "Invalid option space name "
21  << name_);
22  }
23 }
24 
25 bool
26 OptionSpace::validateName(const std::string& name) {
27 
28  using namespace boost::algorithm;
29 
30  // Allowed characters are: lower or upper case letters, digits,
31  // underscores and hyphens. Empty option spaces are not allowed.
32  if (all(name, boost::is_from_range('a', 'z') ||
33  boost::is_from_range('A', 'Z') ||
34  boost::is_digit() ||
35  boost::is_any_of(std::string("-_"))) &&
36  !name.empty() &&
37  // Hyphens and underscores are not allowed at the beginning
38  // and at the end of the option space name.
39  !all(find_head(name, 1), boost::is_any_of(std::string("-_"))) &&
40  !all(find_tail(name, 1), boost::is_any_of(std::string("-_")))) {
41  return (true);
42 
43  }
44  return (false);
45 }
46 
47 OptionSpace6::OptionSpace6(const std::string& name)
48  : OptionSpace(name),
49  enterprise_number_(0) {
50 }
51 
52 OptionSpace6::OptionSpace6(const std::string& name,
53  const uint32_t enterprise_number)
54  : OptionSpace(name, true),
55  enterprise_number_(enterprise_number) {
56 }
57 
58 void
59 OptionSpace6::setVendorSpace(const uint32_t enterprise_number) {
60  enterprise_number_ = enterprise_number;
62 }
63 
64 } // end of isc::dhcp namespace
65 } // end of isc namespace
static bool validateName(const std::string &name)
Checks that the provided option space name is valid.
Definition: option_space.cc:26
void setVendorSpace()
Mark option space as vendor specific.
Definition: option_space.h:98
OptionSpace6(const std::string &name)
Constructor for non-vendor-specific options.
Definition: option_space.cc:47
#define isc_throw(type, stream)
A shortcut macro to insert known values into exception arguments.
DHCP option space.
Definition: option_space.h:66
Defines the logger used by the top-level component of kea-lfc.
const Name & name_
Definition: dns/message.cc:693
OptionSpace(const std::string &name, const bool vendor_space=false)
Constructor.
Definition: option_space.cc:16
Exception to be thrown when invalid option space is specified.
Definition: option_space.h:23