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Diffstat (limited to 'src/client/ClientNew.cxx')
-rw-r--r-- | src/client/ClientNew.cxx | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/client/ClientNew.cxx b/src/client/ClientNew.cxx new file mode 100644 index 000000000..a080e9ec6 --- /dev/null +++ b/src/client/ClientNew.cxx @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2003-2014 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "ClientInternal.hxx" +#include "ClientList.hxx" +#include "Partition.hxx" +#include "Instance.hxx" +#include "system/fd_util.h" +#include "system/Resolver.hxx" +#include "Permission.hxx" +#include "util/Error.hxx" +#include "Log.hxx" + +#include <assert.h> +#ifdef WIN32 +#include <winsock2.h> +#else +#include <sys/socket.h> +#endif + +#ifdef HAVE_LIBWRAP +#include <tcpd.h> +#endif + +static const char GREETING[] = "OK MPD " PROTOCOL_VERSION "\n"; + +Client::Client(EventLoop &_loop, Partition &_partition, + int _fd, int _uid, int _num) + :FullyBufferedSocket(_fd, _loop, 16384, client_max_output_buffer_size), + TimeoutMonitor(_loop), + partition(_partition), + playlist(partition.playlist), player_control(partition.pc), + permission(getDefaultPermissions()), + uid(_uid), + num(_num), + idle_waiting(false), idle_flags(0), + num_subscriptions(0) +{ + TimeoutMonitor::ScheduleSeconds(client_timeout); +} + +void +client_new(EventLoop &loop, Partition &partition, + int fd, const struct sockaddr *sa, size_t sa_length, int uid) +{ + static unsigned int next_client_num; + const auto remote = sockaddr_to_string(sa, sa_length); + + assert(fd >= 0); + +#ifdef HAVE_LIBWRAP + if (sa->sa_family != AF_UNIX) { + // TODO: shall we obtain the program name from argv[0]? + const char *progname = "mpd"; + + struct request_info req; + request_init(&req, RQ_FILE, fd, RQ_DAEMON, progname, 0); + + fromhost(&req); + + if (!hosts_access(&req)) { + /* tcp wrappers says no */ + FormatWarning(client_domain, + "libwrap refused connection (libwrap=%s) from %s", + progname, remote.c_str()); + + close_socket(fd); + return; + } + } +#endif /* HAVE_WRAP */ + + ClientList &client_list = *partition.instance.client_list; + if (client_list.IsFull()) { + LogWarning(client_domain, "Max connections reached"); + close_socket(fd); + return; + } + + Client *client = new Client(loop, partition, fd, uid, + next_client_num++); + + (void)send(fd, GREETING, sizeof(GREETING) - 1, 0); + + client_list.Add(*client); + + FormatInfo(client_domain, "[%u] opened from %s", + client->num, remote.c_str()); +} + +void +Client::Close() +{ + partition.instance.client_list->Remove(*this); + + SetExpired(); + + FormatInfo(client_domain, "[%u] closed", num); + delete this; +} |