127 lines
3.1 KiB
C++
127 lines
3.1 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "ClientInternal.hxx"
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#include "ClientList.hxx"
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#include "Partition.hxx"
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#include "Instance.hxx"
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#include "system/fd_util.h"
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#include "system/Resolver.hxx"
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#include "Permission.hxx"
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#include "util/Error.hxx"
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#include "Log.hxx"
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#include <glib.h>
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#include <assert.h>
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#include <sys/types.h>
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#ifdef WIN32
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#include <winsock2.h>
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#else
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#include <sys/socket.h>
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#endif
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#include <unistd.h>
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#ifdef HAVE_LIBWRAP
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#include <tcpd.h>
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#endif
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static const char GREETING[] = "OK MPD " PROTOCOL_VERSION "\n";
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Client::Client(EventLoop &_loop, Partition &_partition,
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int _fd, int _uid, int _num)
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:FullyBufferedSocket(_fd, _loop, 16384, client_max_output_buffer_size),
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TimeoutMonitor(_loop),
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partition(_partition),
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playlist(partition.playlist), player_control(partition.pc),
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permission(getDefaultPermissions()),
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uid(_uid),
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num(_num),
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idle_waiting(false), idle_flags(0),
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num_subscriptions(0)
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{
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TimeoutMonitor::ScheduleSeconds(client_timeout);
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}
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void
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client_new(EventLoop &loop, Partition &partition,
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int fd, const struct sockaddr *sa, size_t sa_length, int uid)
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{
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static unsigned int next_client_num;
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char *remote;
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assert(fd >= 0);
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#ifdef HAVE_LIBWRAP
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if (sa->sa_family != AF_UNIX) {
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char *hostaddr = sockaddr_to_string(sa, sa_length,
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IgnoreError());
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const char *progname = g_get_prgname();
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struct request_info req;
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request_init(&req, RQ_FILE, fd, RQ_DAEMON, progname, 0);
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fromhost(&req);
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if (!hosts_access(&req)) {
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/* tcp wrappers says no */
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FormatWarning(client_domain,
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"libwrap refused connection (libwrap=%s) from %s",
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progname, hostaddr);
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g_free(hostaddr);
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close_socket(fd);
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return;
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}
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g_free(hostaddr);
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}
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#endif /* HAVE_WRAP */
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ClientList &client_list = *partition.instance.client_list;
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if (client_list.IsFull()) {
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LogWarning(client_domain, "Max connections reached");
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close_socket(fd);
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return;
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}
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Client *client = new Client(loop, partition, fd, uid,
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next_client_num++);
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(void)send(fd, GREETING, sizeof(GREETING) - 1, 0);
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client_list.Add(*client);
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remote = sockaddr_to_string(sa, sa_length, IgnoreError());
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FormatInfo(client_domain, "[%u] opened from %s", client->num, remote);
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g_free(remote);
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}
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void
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Client::Close()
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{
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partition.instance.client_list->Remove(*this);
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SetExpired();
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FormatInfo(client_domain, "[%u] closed", num);
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delete this;
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}
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