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
|
// --------------------------------------------------------------------------
//
// File
// Name: Socket.cpp
// Purpose: Socket related stuff
// Created: 2003/07/31
//
// --------------------------------------------------------------------------
#include "Box.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#ifndef WIN32
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#include <string.h>
#include <stdio.h>
#include "Socket.h"
#include "ServerException.h"
#include "MemLeakFindOn.h"
// --------------------------------------------------------------------------
//
// Function
// Name: Socket::NameLookupToSockAddr(SocketAllAddr &, int,
// char *, int)
// Purpose: Sets up a sockaddr structure given a name and type
// Created: 2003/07/31
//
// --------------------------------------------------------------------------
void Socket::NameLookupToSockAddr(SocketAllAddr &addr, int &sockDomain,
enum Type Type, const std::string& rName, int Port,
int &rSockAddrLenOut)
{
int sockAddrLen = 0;
switch(Type)
{
case TypeINET:
sockDomain = AF_INET;
{
// Lookup hostname
struct hostent *phost = ::gethostbyname(rName.c_str());
if(phost != NULL)
{
if(phost->h_addr_list[0] != 0)
{
sockAddrLen = sizeof(addr.sa_inet);
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
addr.sa_inet.sin_len = sizeof(addr.sa_inet);
#endif
addr.sa_inet.sin_family = PF_INET;
addr.sa_inet.sin_port = htons(Port);
addr.sa_inet.sin_addr = *((in_addr*)phost->h_addr_list[0]);
for(unsigned int l = 0; l < sizeof(addr.sa_inet.sin_zero); ++l)
{
addr.sa_inet.sin_zero[l] = 0;
}
}
else
{
THROW_EXCEPTION(ConnectionException, Conn_SocketNameLookupError);
}
}
else
{
THROW_EXCEPTION(ConnectionException, Conn_SocketNameLookupError);
}
}
break;
#ifndef WIN32
case TypeUNIX:
sockDomain = AF_UNIX;
{
// Check length of name is OK
unsigned int nameLen = rName.length();
if(nameLen >= (sizeof(addr.sa_unix.sun_path) - 1))
{
THROW_EXCEPTION(ServerException, SocketNameUNIXPathTooLong);
}
sockAddrLen = nameLen + (((char*)(&(addr.sa_unix.sun_path[0]))) - ((char*)(&addr.sa_unix)));
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
addr.sa_unix.sun_len = sockAddrLen;
#endif
addr.sa_unix.sun_family = PF_UNIX;
::strncpy(addr.sa_unix.sun_path, rName.c_str(),
sizeof(addr.sa_unix.sun_path) - 1);
addr.sa_unix.sun_path[sizeof(addr.sa_unix.sun_path)-1] = 0;
}
break;
#endif
default:
THROW_EXCEPTION(CommonException, BadArguments)
break;
}
// Return size of structure to caller
rSockAddrLenOut = sockAddrLen;
}
// --------------------------------------------------------------------------
//
// Function
// Name: Socket::LogIncomingConnection(const struct sockaddr *, socklen_t)
// Purpose: Writes a message logging the connection to syslog
// Created: 2003/08/01
//
// --------------------------------------------------------------------------
void Socket::LogIncomingConnection(const struct sockaddr *addr, socklen_t addrlen)
{
BOX_INFO("Incoming connection from " <<
IncomingConnectionLogMessage(addr, addrlen));
}
// --------------------------------------------------------------------------
//
// Function
// Name: Socket::IncomingConnectionLogMessage(const struct sockaddr *, socklen_t)
// Purpose: Returns a string for use in log messages
// Created: 2003/08/01
//
// --------------------------------------------------------------------------
std::string Socket::IncomingConnectionLogMessage(const struct sockaddr *addr, socklen_t addrlen)
{
if(addr == NULL) {THROW_EXCEPTION(CommonException, BadArguments)}
switch(addr->sa_family)
{
case AF_UNIX:
return std::string("local (UNIX socket)");
break;
case AF_INET:
{
sockaddr_in *a = (sockaddr_in*)addr;
std::ostringstream oss;
oss << inet_ntoa(a->sin_addr) << " port " <<
ntohs(a->sin_port);
return oss.str();
}
break;
default:
{
std::ostringstream oss;
oss << "unknown socket type " << addr->sa_family;
return oss.str();
}
break;
}
// Dummy.
return std::string();
}
|
