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/* $Id: UnixFaxServer.c++,v 1.2 1999/06/13 07:41:16 robert Exp $ */
/*
* Copyright (c) 1995-1996 Sam Leffler
* Copyright (c) 1995-1996 Silicon Graphics, Inc.
* HylaFAX is a trademark of Silicon Graphics
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
*
* This stuff does not work; it is here as a placeholder in
* case it becomes worthwhile to add UNIX domain socket support.
*
* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
*/
#if CONFIG_UNIXTRANSPORT
#include "Dispatcher.h"
#include "UnixFaxServer.h"
#include "Sys.h"
#include "Socket.h"
#include "config.h"
UnixSuperServer::UnixSuperServer(const char* f, int bl)
: SuperServer("UNIX", bl)
, fileName(f)
{}
UnixSuperServer::~UnixSuperServer()
{
if (fileName != "")
Sys::unlink(fileName);
}
bool
UnixSuperServer::startServer(void)
{
int s = socket(AF_UNIX, SOCK_STREAM, 0);
if (s >= 0) {
struct sockaddr_un Sun;
Sun.sun_family = AF_UNIX;
strncpy(Sun.sun_path, fileName, sizeof (Sun.sun_path));
if (Socket::bind(s, &Sun, sizeof (Sun)) >= 0) {
#ifdef HAS_FCHMOD
(void) fchmod(s, 0622);
#else
(void) Sys::chmod(fileName, 0622);
#endif
(void) listen(s, getBacklog());
Dispatcher::instance().link(s, Dispatcher::ReadMask, this);
return (true);
}
Sys::close(s);
logError("%s HylaFAX: bind (port %s): %m",
getKind(), (const char*) fileName);
fileName = ""; // don't try to unlink file
} else
logError("%s HylaFAX: socket: %m", getKind());
return (false);
}
HylaFAXServer* UnixSuperServer::newChild(void) { return new UnixFaxServer; }
UnixFaxServer::UnixFaxServer()
{
usedefault = true;
}
UnixFaxServer::~UnixFaxServer() {}
void
UnixFaxServer::initServer(void)
{
HylaFAXServer::initServer();
usedefault = true;
}
void
UnixFaxServer::open(void)
{
remotehost = hostname; // always on same machine
remoteaddr = "local-UNIX"; // XXX
Dispatcher::instance().link(STDIN_FILENO, Dispatcher::ReadMask, this);
HylaFAXServer::open();
}
void
UnixFaxServer::passiveCmd(void)
{
perror_reply(425, "Cannot open passive connection "
"(makes no sense with UNIX domain sockets)", errno);
}
void
UnixFaxServer::netStatus(FILE* fd)
{
if (data != -1)
fprintf(fd, " Client data connection open\r\n");
else
fprintf(fd, " No client data connection\r\n");
}
/*
* Creat a socket for a data transfer.
*/
FILE*
UnixFaxServer::getDataSocket(const char* mode)
{
if (data >= 0)
return (fdopen(data, mode));
int s = socket(AF_UNIX, SOCK_STREAM, 0);
if (s >= 0) {
/* anchor socket to avoid multi-homing problems */
data_source.sun_family = AF_UNIX;
strcpy(data_source.sun_path, ctrl_addr.sun_path);
if (bind(s, (struct sockaddr*) &data_source, sizeof (data_source)) >= 0) {
return (fdopen(s, mode));
}
}
(void) Sys::close(s);
return (NULL);
}
bool
UnixFaxServer::dataConnect(void)
{
return Socket::connect(data, &data_dest,sizeof (data_dest)) >= 0;
}
/*
* Establish a data connection for a file transfer operation.
*/
FILE*
UnixFaxServer::openDataConn(const char* mode, int& code)
{
byte_count = 0;
if (pdata >= 0) {
struct sockaddr_un from;
int fromlen = sizeof(from);
int s = accept(pdata, (struct sockaddr*) &from, &fromlen);
if (s < 0) {
reply(425, "Cannot open data connection.");
(void) Sys::close(pdata);
pdata = -1;
return (NULL);
}
(void) Sys::close(pdata);
pdata = s;
code = 150;
return (fdopen(pdata, mode));
}
if (data >= 0) {
code = 125;
usedefault = 1;
return (fdopen(data, mode));
}
if (usedefault)
data_dest = peer_addr;
usedefault = 1;
FILE* file = getDataSocket(mode);
if (file == NULL) {
reply(425, "Cannot create data socket (%s): %s.",
data_source.sun_path, strerror(errno));
return (NULL);
}
data = fileno(file);
if (!dataConnect()) {
perror_reply(425, "Cannot build data connection", errno);
fclose(file);
data = -1;
return (NULL);
}
code = 150;
return (file);
}
bool
UnixFaxServer::hostPort()
{
fxStr s;
if (pathname(s)) {
data_dest.sun_family = AF_UNIX;
strncpy(data_dest.sun_path, s, sizeof (data_dest.sun_path));
return (true);
} else
return (false);
}
void
UnixFaxServer::portCmd(void)
{
logcmd(T_PORT, "%s", data_dest.sun_path);
usedefault = false;
if (pdata >= 0)
(void) Sys::close(pdata), pdata = -1;
reply(200, "PORT command successful.");
}
#endif
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