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// distribution boxbackup-0.10 (svn version: 494)
//
// Copyright (c) 2003 - 2006
// Ben Summers and contributors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All use of this software and associated advertising materials must
// display the following acknowledgment:
// This product includes software developed by Ben Summers.
// 4. The names of the Authors may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// [Where legally impermissible the Authors do not disclaim liability for
// direct physical injury or death caused solely by defects in the software
// unless it is modified by a third party.]
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
//
// --------------------------------------------------------------------------
//
// 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 <syslog.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, int Type, const char *Name, int Port, int &rSockAddrLenOut)
{
int sockAddrLen = 0;
switch(Type)
{
case TypeINET:
sockDomain = AF_INET;
{
// Lookup hostname
struct hostent *phost = ::gethostbyname(Name);
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 = ::strlen(Name);
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;
::strcpy(addr.sa_unix.sun_path, Name);
}
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)
{
if(addr == NULL) {THROW_EXCEPTION(CommonException, BadArguments)}
switch(addr->sa_family)
{
case AF_UNIX:
::syslog(LOG_INFO, "Incoming connection from local (UNIX socket)");
break;
case AF_INET:
{
sockaddr_in *a = (sockaddr_in*)addr;
::syslog(LOG_INFO, "Incoming connection from %s port %d", inet_ntoa(a->sin_addr), ntohs(a->sin_port));
}
break;
default:
::syslog(LOG_INFO, "Incoming connection of unknown type");
break;
}
}
// --------------------------------------------------------------------------
//
// 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("Incoming connection from local (UNIX socket)");
break;
case AF_INET:
{
char msg[256]; // more than enough
sockaddr_in *a = (sockaddr_in*)addr;
sprintf(msg, "Incoming connection from %s port %d", inet_ntoa(a->sin_addr), ntohs(a->sin_port));
return std::string(msg);
}
break;
default:
return std::string("Incoming connection of unknown type");
break;
}
// Dummy.
return std::string();
}
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