UnixFaxServer.c++
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- /* $Id: UnixFaxServer.c++,v 1.1.1.1 2005/11/11 21:32:03 faxguy 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 openrn");
- else
- fprintf(fd, " No client data connectionrn");
- }
- /*
- * 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