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|
/* $Id$ */
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
PulseAudio 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 Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include <pulse/xmalloc.h>
#include <pulsecore/winsock.h>
#include <pulsecore/core-error.h>
#include <pulsecore/module.h>
#include <pulsecore/socket-server.h>
#include <pulsecore/socket-util.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
#include <pulsecore/native-common.h>
#include <pulsecore/creds.h>
#ifdef USE_TCP_SOCKETS
#define SOCKET_DESCRIPTION "(TCP sockets)"
#define SOCKET_USAGE "port=<TCP port number> listen=<address to listen on>"
#else
#define SOCKET_DESCRIPTION "(UNIX sockets)"
#define SOCKET_USAGE "socket=<path to UNIX socket>"
#endif
#if defined(USE_PROTOCOL_SIMPLE)
#include <pulsecore/protocol-simple.h>
#define protocol_new pa_protocol_simple_new
#define protocol_free pa_protocol_simple_free
#define TCPWRAP_SERVICE "pulseaudio-simple"
#define IPV4_PORT 4711
#define UNIX_SOCKET "simple"
#define MODULE_ARGUMENTS "rate", "format", "channels", "sink", "source", "playback", "record",
#if defined(USE_TCP_SOCKETS)
#include "module-simple-protocol-tcp-symdef.h"
#else
#include "module-simple-protocol-unix-symdef.h"
#endif
PA_MODULE_DESCRIPTION("Simple protocol "SOCKET_DESCRIPTION);
PA_MODULE_USAGE("rate=<sample rate> "
"format=<sample format> "
"channels=<number of channels> "
"sink=<sink to connect to> "
"source=<source to connect to> "
"playback=<enable playback?> "
"record=<enable record?> "
SOCKET_USAGE);
#elif defined(USE_PROTOCOL_CLI)
#include <pulsecore/protocol-cli.h>
#define protocol_new pa_protocol_cli_new
#define protocol_free pa_protocol_cli_free
#define TCPWRAP_SERVICE "pulseaudio-cli"
#define IPV4_PORT 4712
#define UNIX_SOCKET "cli"
#define MODULE_ARGUMENTS
#ifdef USE_TCP_SOCKETS
#include "module-cli-protocol-tcp-symdef.h"
#else
#include "module-cli-protocol-unix-symdef.h"
#endif
PA_MODULE_DESCRIPTION("Command line interface protocol "SOCKET_DESCRIPTION);
PA_MODULE_USAGE(SOCKET_USAGE);
#elif defined(USE_PROTOCOL_HTTP)
#include <pulsecore/protocol-http.h>
#define protocol_new pa_protocol_http_new
#define protocol_free pa_protocol_http_free
#define TCPWRAP_SERVICE "pulseaudio-http"
#define IPV4_PORT 4714
#define UNIX_SOCKET "http"
#define MODULE_ARGUMENTS
#ifdef USE_TCP_SOCKETS
#include "module-http-protocol-tcp-symdef.h"
#else
#include "module-http-protocol-unix-symdef.h"
#endif
PA_MODULE_DESCRIPTION("HTTP "SOCKET_DESCRIPTION);
PA_MODULE_USAGE(SOCKET_USAGE);
#elif defined(USE_PROTOCOL_NATIVE)
#include <pulsecore/protocol-native.h>
#define protocol_new pa_protocol_native_new
#define protocol_free pa_protocol_native_free
#define TCPWRAP_SERVICE "pulseaudio-native"
#define IPV4_PORT PA_NATIVE_DEFAULT_PORT
#define UNIX_SOCKET PA_NATIVE_DEFAULT_UNIX_SOCKET
#define MODULE_ARGUMENTS_COMMON "cookie", "auth-anonymous",
#ifdef USE_TCP_SOCKETS
#include "module-native-protocol-tcp-symdef.h"
#else
#include "module-native-protocol-unix-symdef.h"
#endif
#if defined(HAVE_CREDS) && !defined(USE_TCP_SOCKETS)
#define MODULE_ARGUMENTS MODULE_ARGUMENTS_COMMON "auth-group", "auth-group-enable",
#define AUTH_USAGE "auth-group=<system group to allow access> auth-group-enable=<enable auth by UNIX group?> "
#elif defined(USE_TCP_SOCKETS)
#define MODULE_ARGUMENTS MODULE_ARGUMENTS_COMMON "auth-ip-acl",
#define AUTH_USAGE "auth-ip-acl=<IP address ACL to allow access> "
#else
#define MODULE_ARGUMENTS MODULE_ARGUMENTS_COMMON
#define AUTH_USAGE
#endif
PA_MODULE_DESCRIPTION("Native protocol "SOCKET_DESCRIPTION);
PA_MODULE_USAGE("auth-anonymous=<don't check for cookies?> "
"cookie=<path to cookie file> "
AUTH_USAGE
SOCKET_USAGE);
#elif defined(USE_PROTOCOL_ESOUND)
#include <pulsecore/protocol-esound.h>
#include <pulsecore/esound.h>
#define protocol_new pa_protocol_esound_new
#define protocol_free pa_protocol_esound_free
#define TCPWRAP_SERVICE "esound"
#define IPV4_PORT ESD_DEFAULT_PORT
#define MODULE_ARGUMENTS_COMMON "sink", "source", "auth-anonymous", "cookie",
#ifdef USE_TCP_SOCKETS
#include "module-esound-protocol-tcp-symdef.h"
#else
#include "module-esound-protocol-unix-symdef.h"
#endif
#if defined(USE_TCP_SOCKETS)
#define MODULE_ARGUMENTS MODULE_ARGUMENTS_COMMON "auth-ip-acl",
#define AUTH_USAGE "auth-ip-acl=<IP address ACL to allow access> "
#else
#define MODULE_ARGUMENTS MODULE_ARGUMENTS_COMMON
#define AUTH_USAGE
#endif
PA_MODULE_DESCRIPTION("ESOUND protocol "SOCKET_DESCRIPTION);
PA_MODULE_USAGE("sink=<sink to connect to> "
"source=<source to connect to> "
"auth-anonymous=<don't verify cookies?> "
"cookie=<path to cookie file> "
AUTH_USAGE
SOCKET_USAGE);
#else
#error "Broken build system"
#endif
PA_MODULE_LOAD_ONCE(FALSE);
PA_MODULE_AUTHOR("Lennart Poettering");
PA_MODULE_VERSION(PACKAGE_VERSION);
static const char* const valid_modargs[] = {
MODULE_ARGUMENTS
#if defined(USE_TCP_SOCKETS)
"port",
"listen",
#else
"socket",
#endif
NULL
};
struct userdata {
#if defined(USE_TCP_SOCKETS)
void *protocol_ipv4;
void *protocol_ipv6;
#else
void *protocol_unix;
char *socket_path;
#endif
};
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
int ret = -1;
struct userdata *u = NULL;
#if defined(USE_TCP_SOCKETS)
pa_socket_server *s_ipv4 = NULL, *s_ipv6 = NULL;
uint32_t port = IPV4_PORT;
const char *listen_on;
#else
pa_socket_server *s;
int r;
#endif
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto finish;
}
u = pa_xnew0(struct userdata, 1);
#if defined(USE_TCP_SOCKETS)
if (pa_modargs_get_value_u32(ma, "port", &port) < 0 || port < 1 || port > 0xFFFF) {
pa_log("port= expects a numerical argument between 1 and 65535.");
goto fail;
}
listen_on = pa_modargs_get_value(ma, "listen", NULL);
if (listen_on) {
s_ipv6 = pa_socket_server_new_ipv6_string(m->core->mainloop, listen_on, port, TCPWRAP_SERVICE);
s_ipv4 = pa_socket_server_new_ipv4_string(m->core->mainloop, listen_on, port, TCPWRAP_SERVICE);
} else {
s_ipv6 = pa_socket_server_new_ipv6_any(m->core->mainloop, port, TCPWRAP_SERVICE);
s_ipv4 = pa_socket_server_new_ipv4_any(m->core->mainloop, port, TCPWRAP_SERVICE);
}
if (!s_ipv4 && !s_ipv6)
goto fail;
if (s_ipv4)
u->protocol_ipv4 = protocol_new(m->core, s_ipv4, m, ma);
if (s_ipv6)
u->protocol_ipv6 = protocol_new(m->core, s_ipv6, m, ma);
if (!u->protocol_ipv4 && !u->protocol_ipv6)
goto fail;
if (s_ipv6)
pa_socket_server_unref(s_ipv6);
if (s_ipv6)
pa_socket_server_unref(s_ipv4);
#else
#if defined(USE_PROTOCOL_ESOUND)
#if defined(USE_PER_USER_ESOUND_SOCKET)
u->socket_path = pa_sprintf_malloc("/tmp/.esd-%lu/socket", (unsigned long) getuid());
#else
u->socket_path = pa_xstrdup("/tmp/.esd/socket");
#endif
/* This socket doesn't reside in our own runtime dir but in
* /tmp/.esd/, hence we have to create the dir first */
if (pa_make_secure_parent_dir(u->socket_path, m->core->is_system_instance ? 0755 : 0700, (uid_t)-1, (gid_t)-1) < 0) {
pa_log("Failed to create socket directory '%s': %s\n", u->socket_path, pa_cstrerror(errno));
goto fail;
}
#else
if (!(u->socket_path = pa_runtime_path(pa_modargs_get_value(ma, "socket", UNIX_SOCKET)))) {
pa_log("Failed to generate socket path.");
goto fail;
}
#endif
if ((r = pa_unix_socket_remove_stale(u->socket_path)) < 0) {
pa_log("Failed to remove stale UNIX socket '%s': %s", u->socket_path, pa_cstrerror(errno));
goto fail;
} else if (r > 0)
pa_log_info("Removed stale UNIX socket '%s'.", u->socket_path);
if (!(s = pa_socket_server_new_unix(m->core->mainloop, u->socket_path)))
goto fail;
if (!(u->protocol_unix = protocol_new(m->core, s, m, ma)))
goto fail;
pa_socket_server_unref(s);
#endif
m->userdata = u;
ret = 0;
finish:
if (ma)
pa_modargs_free(ma);
return ret;
fail:
if (u) {
#if defined(USE_TCP_SOCKETS)
if (u->protocol_ipv4)
protocol_free(u->protocol_ipv4);
if (u->protocol_ipv6)
protocol_free(u->protocol_ipv6);
#else
if (u->protocol_unix)
protocol_free(u->protocol_unix);
pa_xfree(u->socket_path);
#endif
pa_xfree(u);
}
#if defined(USE_TCP_SOCKETS)
if (s_ipv4)
pa_socket_server_unref(s_ipv4);
if (s_ipv6)
pa_socket_server_unref(s_ipv6);
#else
if (s)
pa_socket_server_unref(s);
#endif
goto finish;
}
void pa__done(pa_module*m) {
struct userdata *u;
pa_assert(m);
u = m->userdata;
#if defined(USE_TCP_SOCKETS)
if (u->protocol_ipv4)
protocol_free(u->protocol_ipv4);
if (u->protocol_ipv6)
protocol_free(u->protocol_ipv6);
#else
if (u->protocol_unix)
protocol_free(u->protocol_unix);
#if defined(USE_PROTOCOL_ESOUND) && !defined(USE_PER_USER_ESOUND_SOCKET)
if (u->socket_path) {
char *p = pa_parent_dir(u->socket_path);
rmdir(p);
pa_xfree(p);
}
#endif
pa_xfree(u->socket_path);
#endif
pa_xfree(u);
}
|
