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
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/api/socket/socket_api_controller.h"
#include "chrome/browser/extensions/api/socket/tcp_socket.h"
#include "chrome/browser/extensions/api/socket/udp_socket.h"
#include "chrome/browser/extensions/api/socket/socket_event_notifier.h"
#include "net/base/address_list.h"
#include "net/base/net_errors.h"
#include "net/base/rand_callback.h"
#include "net/socket/tcp_client_socket.h"
#include "net/udp/datagram_socket.h"
#include "net/udp/udp_client_socket.h"
namespace extensions {
SocketController::SocketController() : next_socket_id_(1) {}
SocketController::~SocketController() {}
Socket* SocketController::GetSocket(int socket_id) {
// TODO(miket): we should verify that the extension asking for the
// socket is the same one that created it.
SocketMap::iterator i = socket_map_.find(socket_id);
if (i != socket_map_.end())
return i->second.get();
return NULL;
}
// TODO(miket): we should consider partitioning the ID space by extension ID
// to make it harder for extensions to peek into each others' sockets.
int SocketController::GenerateSocketId() {
while (next_socket_id_ > 0 && socket_map_.count(next_socket_id_) > 0)
++next_socket_id_;
return next_socket_id_++;
}
int SocketController::CreateTCPSocket(const std::string& address, int port,
SocketEventNotifier* event_notifier) {
net::IPAddressNumber ip_number;
bool result = net::ParseIPLiteralToNumber(address, &ip_number);
if (!result)
return 0;
net::AddressList address_list =
net::AddressList::CreateFromIPAddress(ip_number, port);
linked_ptr<Socket> socket(new TCPSocket(
new net::TCPClientSocket(address_list, NULL, net::NetLog::Source()),
event_notifier));
CHECK(socket.get());
int next_socket_id = GenerateSocketId();
if (next_socket_id > 0) {
socket_map_[next_socket_id] = socket;
return next_socket_id;
}
return 0;
}
int SocketController::CreateUDPSocket(const std::string& address, int port,
SocketEventNotifier* event_notifier) {
linked_ptr<Socket> socket(new UDPSocket(
new net::UDPClientSocket(net::DatagramSocket::DEFAULT_BIND,
net::RandIntCallback(),
NULL,
net::NetLog::Source()),
address, port, event_notifier));
CHECK(socket.get());
int next_socket_id = GenerateSocketId();
if (next_socket_id > 0) {
socket_map_[next_socket_id] = socket;
return next_socket_id;
}
return 0;
}
bool SocketController::DestroySocket(int socket_id) {
Socket* socket = GetSocket(socket_id);
if (!socket)
return false;
delete socket;
socket_map_.erase(socket_id);
return true;
}
int SocketController::ConnectSocket(int socket_id) {
Socket* socket = GetSocket(socket_id);
if (socket)
return socket->Connect();
return net::ERR_FILE_NOT_FOUND;
}
void SocketController::DisconnectSocket(int socket_id) {
Socket* socket = GetSocket(socket_id);
if (socket)
socket->Disconnect();
}
std::string SocketController::ReadSocket(int socket_id) {
Socket* socket = GetSocket(socket_id);
if (!socket)
return "";
return socket->Read();
}
int SocketController::WriteSocket(int socket_id, const std::string& message) {
Socket* socket = GetSocket(socket_id);
if (!socket)
return -1;
return socket->Write(message);
}
} // namespace extensions
|
