1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226 | // Copyright (C) 2023-2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Kea Hooks Basic
// Commercial End User License Agreement v2.0. See COPYING file in the premium/
// directory.
#include <config.h>
#include <asiolink/io_address.h>
#include <cryptolink/crypto_rng.h>
#include <util/multi_threading_mgr.h>
#include <client_server.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <radius_log.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <sys/types.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <sys/socket.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <netinet/in.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <netdb.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <cerrno><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <chrono><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <limits><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <sstream><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
using namespace isc;
using namespace isc::asiolink;
using namespace isc::data;
using namespace isc::util;
using namespace std;
using namespace std::chrono;
namespace ph = std::placeholders;
/// @brief RAII wrapper over struct addrinfo.
struct AddrInfo {
AddrInfo(string const& hostname) : addrinfo_(0) {<--- Struct 'AddrInfo' has a constructor with 1 argument that is not explicit. [+]Struct 'AddrInfo' has a constructor with 1 argument that is not explicit. Such, so called "Converting constructors", should in general be explicit for type safety reasons as that prevents unintended implicit conversions.
int const err(getaddrinfo(hostname.c_str(), 0, 0, &addrinfo_));
if (err != 0) {
string const errmsg(gai_strerror(err));
isc_throw(BadValue, "failed to resolve '" << hostname << "': " << errmsg);
}
if (!addrinfo_ || !addrinfo_->ai_addr) {
isc_throw(BadValue, "getaddrinfo('" << hostname << ") returned null");
}
}
~AddrInfo() {
freeaddrinfo(addrinfo_);
}
struct addrinfo *addrinfo_;
};
namespace isc {
namespace radius {
IOAddress
Server::getAddress(const string& name) {
AddrInfo res(name);
short family = res.addrinfo_->ai_family;
if (family == AF_INET) {
struct sockaddr_in* sin4 =
reinterpret_cast<struct sockaddr_in*>(res.addrinfo_->ai_addr);
vector<uint8_t> in4(4);
memmove(&in4[0], &sin4->sin_addr, 4);
return (IOAddress::fromBytes(AF_INET, &in4[0]));
} else if (family == AF_INET6) {
struct sockaddr_in6* sin6 =
reinterpret_cast<struct sockaddr_in6*>(res.addrinfo_->ai_addr);
vector<uint8_t> in6(16);
memmove(&in6[0], &sin6->sin6_addr, 16);
return (IOAddress::fromBytes(AF_INET6, &in6[0]));
}
isc_throw(BadValue, "getaddrinfo('" << name << ") returned unknown family "
<< family);
}
IOAddress
Server::getSrcAddress(const IOAddress& dest) {
vector<uint8_t> bindest = dest.toBytes();
vector<uint8_t> binsrc(bindest.size());
if (bindest.size() == 4) {
struct sockaddr_in dest4;
socklen_t len = sizeof(dest4);
memset(&dest4, 0, len);
dest4.sin_family = AF_INET;
#ifdef HAVE_SA_LEN
dest4.sin_len = len;
#endif
memmove(&dest4.sin_addr, &bindest[0], 4);
dest4.sin_port = htons(11812);
int fd = socket(PF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
isc_throw(Unexpected, "socket() failed: " << strerror(errno));
}
int err = connect(fd, reinterpret_cast<const struct sockaddr*>(&dest4),
len);
if (err < 0) {
static_cast<void>(close(fd));
isc_throw(Unexpected, "connect() failed: " << strerror(errno));
}
struct sockaddr_in src4;
memset(&src4, 0, len);
err = getsockname(fd, reinterpret_cast<struct sockaddr*>(&src4), &len);
static_cast<void>(close(fd));
if ((err < 0) || (len != sizeof(src4))) {
isc_throw(Unexpected, "getsockname() failed: " << strerror(errno));
}
memmove(&binsrc[0], &src4.sin_addr, 4);
return (IOAddress::fromBytes(AF_INET, &binsrc[0]));
} else if (bindest.size() == 16) {
struct sockaddr_in6 dest6;
socklen_t len = sizeof(dest6);
memset(&dest6, 0, len);
dest6.sin6_family = AF_INET6;
#ifdef HAVE_SA_LEN
dest6.sin6_len = len;
#endif
memmove(&dest6.sin6_addr, &bindest[0], 16);
dest6.sin6_port = htons(11812);
int fd = socket(PF_INET6, SOCK_DGRAM, 0);
if (fd < 0) {
isc_throw(Unexpected, "socket() failed: " << strerror(errno));
}
int err = connect(fd, reinterpret_cast<const struct sockaddr*>(&dest6),
len);
if (err < 0) {
static_cast<void>(close(fd));
isc_throw(Unexpected, "connect() failed: " << strerror(errno));
}
struct sockaddr_in6 src6;
memset(&src6, 0, len);
err = getsockname(fd, reinterpret_cast<struct sockaddr*>(&src6), &len);
static_cast<void>(close(fd));
if ((err < 0) || (len != sizeof(src6))) {
isc_throw(Unexpected, "getsockname() failed: " << strerror(errno));
}
memmove(&binsrc[0], &src6.sin6_addr, 16);
return (IOAddress::fromBytes(AF_INET6, &binsrc[0]));
} else {
isc_throw(Unexpected, "address length is not 4 nor 16: "
<< bindest.size());
}
}
Server::~Server() {
if (!secret_.empty()) {
memset(&secret_[0], 0, secret_.size());
}
secret_.clear();
}
void
Server::setLocalAddress(const IOAddress& local_addr) {
if (peer_addr_.getFamily() != local_addr.getFamily()) {
isc_throw(BadValue, "address family mismatch: peer "
<< peer_addr_.toText() << ", local " << local_addr.toText());
}
local_addr_ = local_addr;
}
void
Server::setTimeout(unsigned timeout) {
if (static_cast<uint64_t>(timeout) > numeric_limits<long>::max() / 1000) {
isc_throw(OutOfRange, "too large timeout " << timeout
<< " > " << std::numeric_limits<long>::max() / 1000);
}
timeout_ = (timeout == 0 ? 1 : timeout);
}
void
Server::setSecret(const string& secret) {
if (secret.empty()) {
isc_throw(BadValue, "empty secret");
}
secret_ = secret;
}
steady_clock::time_point
Server::getDeadtimeEnd() const {
MultiThreadingLock lock(*mutex_);
return (deadtime_end_);
}
void
Server::setDeadtimeEnd(const steady_clock::time_point& deadtime_end) {
MultiThreadingLock lock(*mutex_);
deadtime_end_ = deadtime_end;
}
ElementPtr
Server::toElement() const {
ElementPtr result = Element::createMap();
// Peer address.
result->set("peer-address", Element::create(peer_addr_.toText()));
// Port.
result->set("peer-port", Element::create(peer_port_));
// Local address.
result->set("local-address", Element::create(local_addr_.toText()));
// Secret.
result->set("secret", Element::create(secret_));
// Timeout.
result->set("timeout", Element::create(static_cast<long long>(timeout_)));
// Deadtime.
result->set("deadtime", Element::create(static_cast<long long>(deadtime_)));
if (deadtime_ != 0) {
MultiThreadingLock lock(*mutex_);
auto delta = deadtime_end_ - steady_clock().now();
seconds secs = duration_cast<seconds>(delta);
result->set("deadtime-end",
Element::create(static_cast<long long>(secs.count())));
}
return (result);
}
} // end of namespace isc::radius
} // end of namespace isc
|