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|
/* $Id$ */
/***
This file is part of polypaudio.
polypaudio 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.
polypaudio 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 polypaudio; 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 <assert.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 "../polypcore/winsock.h"
#include <polypcore/module.h>
#include <polypcore/socket-server.h>
#include <polypcore/socket-util.h>
#include <polypcore/util.h>
#include <polypcore/modargs.h>
#include <polypcore/log.h>
#include <polypcore/native-common.h>
#include <polypcore/xmalloc.h>
#ifdef USE_TCP_SOCKETS
#define SOCKET_DESCRIPTION "(TCP sockets)"
#define SOCKET_USAGE "port=<TCP port number> loopback=<listen on loopback device only?> 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 <polypcore/protocol-simple.h>
#define protocol_new pa_protocol_simple_new
#define protocol_free pa_protocol_simple_free
#define TCPWRAP_SERVICE "polypaudio-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 <polypcore/protocol-cli.h>
#define protocol_new pa_protocol_cli_new
#define protocol_free pa_protocol_cli_free
#define TCPWRAP_SERVICE "polypaudio-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 <polypcore/protocol-http.h>
#define protocol_new pa_protocol_http_new
#define protocol_free pa_protocol_http_free
#define TCPWRAP_SERVICE "polypaudio-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 <polypcore/protocol-native.h>
#define protocol_new pa_protocol_native_new
#define protocol_free pa_protocol_native_free
#define TCPWRAP_SERVICE "polypaudio-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(SCM_CREDENTIALS) && !defined(USE_TCP_SOCKETS)
#define MODULE_ARGUMENTS MODULE_ARGUMENTS_COMMON "auth-group",
#define AUTH_USAGE "auth-group=<local group 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 <polypcore/protocol-esound.h>
#include <polypcore/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 UNIX_SOCKET ESD_UNIX_SOCKET_NAME
#define MODULE_ARGUMENTS "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
PA_MODULE_DESCRIPTION("ESOUND protocol "SOCKET_DESCRIPTION)
PA_MODULE_USAGE("sink=<sink to connect to> source=<source to connect to> auth-anonymous=<don't check for cookies?> cookie=<path to cookie file> "SOCKET_USAGE)
#else
#error "Broken build system"
#endif
PA_MODULE_AUTHOR("Lennart Poettering")
PA_MODULE_VERSION(PACKAGE_VERSION)
static const char* const valid_modargs[] = {
MODULE_ARGUMENTS
#if defined(USE_TCP_SOCKETS)
"port",
"loopback",
"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_core *c, 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;
int loopback = 1;
uint32_t port = IPV4_PORT;
const char *listen_on;
#else
pa_socket_server *s;
int r;
const char *v;
char tmp[PATH_MAX];
#endif
assert(c && m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log(__FILE__": Failed to parse module arguments");
goto finish;
}
u = pa_xnew0(struct userdata, 1);
#if defined(USE_TCP_SOCKETS)
if (pa_modargs_get_value_boolean(ma, "loopback", &loopback) < 0) {
pa_log(__FILE__": loopback= expects a boolean argument.");
goto fail;
}
if (pa_modargs_get_value_u32(ma, "port", &port) < 0 || port < 1 || port > 0xFFFF) {
pa_log(__FILE__": 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(c->mainloop, listen_on, port, TCPWRAP_SERVICE);
s_ipv4 = pa_socket_server_new_ipv4_string(c->mainloop, listen_on, port, TCPWRAP_SERVICE);
} else if (loopback) {
s_ipv6 = pa_socket_server_new_ipv6_loopback(c->mainloop, port, TCPWRAP_SERVICE);
s_ipv4 = pa_socket_server_new_ipv4_loopback(c->mainloop, port, TCPWRAP_SERVICE);
} else {
s_ipv6 = pa_socket_server_new_ipv6_any(c->mainloop, port, TCPWRAP_SERVICE);
s_ipv4 = pa_socket_server_new_ipv4_any(c->mainloop, port, TCPWRAP_SERVICE);
}
if (!s_ipv4 && !s_ipv6)
goto fail;
if (s_ipv4)
if (!(u->protocol_ipv4 = protocol_new(c, s_ipv4, m, ma)))
pa_socket_server_unref(s_ipv4);
if (s_ipv6)
if (!(u->protocol_ipv6 = protocol_new(c, s_ipv6, m, ma)))
pa_socket_server_unref(s_ipv6);
if (!u->protocol_ipv4 && !u->protocol_ipv6)
goto fail;
#else
v = pa_modargs_get_value(ma, "socket", UNIX_SOCKET);
pa_runtime_path(v, tmp, sizeof(tmp));
u->socket_path = pa_xstrdup(tmp);
if (pa_make_secure_parent_dir(tmp) < 0) {
pa_log(__FILE__": Failed to create secure socket directory.");
goto fail;
}
if ((r = pa_unix_socket_remove_stale(tmp)) < 0) {
pa_log(__FILE__": Failed to remove stale UNIX socket '%s': %s", tmp, strerror(errno));
goto fail;
}
if (r)
pa_log(__FILE__": Removed stale UNIX socket '%s'.", tmp);
if (!(s = pa_socket_server_new_unix(c->mainloop, tmp)))
goto fail;
if (!(u->protocol_unix = protocol_new(c, s, m, ma)))
goto fail;
#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);
if (u->socket_path)
pa_xfree(u->socket_path);
#endif
pa_xfree(u);
} else {
#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_core *c, pa_module*m) {
struct userdata *u;
assert(c);
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 (u->socket_path) {
char *p;
if ((p = pa_parent_dir(u->socket_path))) {
if (rmdir(p) < 0 && errno != ENOENT && errno != ENOTEMPTY)
pa_log(__FILE__": Failed to remove %s: %s.", u->socket_path, strerror(errno));
pa_xfree(p);
}
pa_xfree(u->socket_path);
}
#endif
pa_xfree(u);
}
|
