mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-01 22:58:47 -04:00
fa499dad06
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@284 fefdeb5f-60dc-0310-8127-8f9354f1896f
403 lines
11 KiB
C
403 lines
11 KiB
C
/* $Id$ */
|
|
|
|
/***
|
|
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 <stdlib.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <sys/un.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
#ifdef HAVE_LIBWRAP
|
|
#include <tcpd.h>
|
|
#endif
|
|
|
|
#include "socket-server.h"
|
|
#include "socket-util.h"
|
|
#include "xmalloc.h"
|
|
#include "util.h"
|
|
#include "log.h"
|
|
|
|
struct pa_socket_server {
|
|
int ref;
|
|
int fd;
|
|
char *filename;
|
|
char *tcpwrap_service;
|
|
|
|
void (*on_connection)(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata);
|
|
void *userdata;
|
|
|
|
struct pa_io_event *io_event;
|
|
struct pa_mainloop_api *mainloop;
|
|
enum { SOCKET_SERVER_GENERIC, SOCKET_SERVER_IPV4, SOCKET_SERVER_UNIX, SOCKET_SERVER_IPV6 } type;
|
|
};
|
|
|
|
static void callback(struct pa_mainloop_api *mainloop, struct pa_io_event *e, int fd, enum pa_io_event_flags f, void *userdata) {
|
|
struct pa_socket_server *s = userdata;
|
|
struct pa_iochannel *io;
|
|
int nfd;
|
|
assert(s && s->mainloop == mainloop && s->io_event == e && e && fd >= 0 && fd == s->fd);
|
|
|
|
pa_socket_server_ref(s);
|
|
|
|
if ((nfd = accept(fd, NULL, NULL)) < 0) {
|
|
pa_log(__FILE__": accept(): %s\n", strerror(errno));
|
|
goto finish;
|
|
}
|
|
|
|
pa_fd_set_cloexec(nfd, 1);
|
|
|
|
if (!s->on_connection) {
|
|
close(nfd);
|
|
goto finish;
|
|
}
|
|
|
|
#ifdef HAVE_LIBWRAP
|
|
|
|
if (s->type == SOCKET_SERVER_IPV4 && s->tcpwrap_service) {
|
|
struct request_info req;
|
|
|
|
request_init(&req, RQ_DAEMON, s->tcpwrap_service, RQ_FILE, nfd, NULL);
|
|
fromhost(&req);
|
|
if (!hosts_access(&req)) {
|
|
pa_log(__FILE__": TCP connection refused by tcpwrap.\n");
|
|
close(nfd);
|
|
goto finish;
|
|
}
|
|
|
|
pa_log(__FILE__": TCP connection accepted by tcpwrap.\n");
|
|
}
|
|
#endif
|
|
|
|
/* There should be a check for socket type here */
|
|
if (s->type == SOCKET_SERVER_IPV4)
|
|
pa_socket_tcp_low_delay(fd);
|
|
else
|
|
pa_socket_low_delay(fd);
|
|
|
|
io = pa_iochannel_new(s->mainloop, nfd, nfd);
|
|
assert(io);
|
|
s->on_connection(s, io, s->userdata);
|
|
|
|
finish:
|
|
pa_socket_server_unref(s);
|
|
}
|
|
|
|
struct pa_socket_server* pa_socket_server_new(struct pa_mainloop_api *m, int fd) {
|
|
struct pa_socket_server *s;
|
|
assert(m && fd >= 0);
|
|
|
|
s = pa_xmalloc(sizeof(struct pa_socket_server));
|
|
s->ref = 1;
|
|
s->fd = fd;
|
|
s->filename = NULL;
|
|
s->on_connection = NULL;
|
|
s->userdata = NULL;
|
|
s->tcpwrap_service = NULL;
|
|
|
|
s->mainloop = m;
|
|
s->io_event = m->io_new(m, fd, PA_IO_EVENT_INPUT, callback, s);
|
|
assert(s->io_event);
|
|
|
|
s->type = SOCKET_SERVER_GENERIC;
|
|
|
|
return s;
|
|
}
|
|
|
|
struct pa_socket_server* pa_socket_server_ref(struct pa_socket_server *s) {
|
|
assert(s && s->ref >= 1);
|
|
s->ref++;
|
|
return s;
|
|
}
|
|
|
|
struct pa_socket_server* pa_socket_server_new_unix(struct pa_mainloop_api *m, const char *filename) {
|
|
int fd = -1;
|
|
struct sockaddr_un sa;
|
|
struct pa_socket_server *s;
|
|
|
|
assert(m && filename);
|
|
|
|
if ((fd = socket(PF_LOCAL, SOCK_STREAM, 0)) < 0) {
|
|
pa_log(__FILE__": socket(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
pa_fd_set_cloexec(fd, 1);
|
|
|
|
sa.sun_family = AF_LOCAL;
|
|
strncpy(sa.sun_path, filename, sizeof(sa.sun_path)-1);
|
|
sa.sun_path[sizeof(sa.sun_path) - 1] = 0;
|
|
|
|
pa_socket_low_delay(fd);
|
|
|
|
if (bind(fd, (struct sockaddr*) &sa, SUN_LEN(&sa)) < 0) {
|
|
pa_log(__FILE__": bind(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
if (listen(fd, 5) < 0) {
|
|
pa_log(__FILE__": listen(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
s = pa_socket_server_new(m, fd);
|
|
assert(s);
|
|
|
|
s->filename = pa_xstrdup(filename);
|
|
s->type = SOCKET_SERVER_UNIX;
|
|
|
|
return s;
|
|
|
|
fail:
|
|
if (fd >= 0)
|
|
close(fd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct pa_socket_server* pa_socket_server_new_ipv4(struct pa_mainloop_api *m, uint32_t address, uint16_t port, const char *tcpwrap_service) {
|
|
struct pa_socket_server *ss;
|
|
int fd = -1;
|
|
struct sockaddr_in sa;
|
|
int on = 1;
|
|
|
|
assert(m && port);
|
|
|
|
if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
|
|
pa_log(__FILE__": socket(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
pa_fd_set_cloexec(fd, 1);
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
|
|
pa_log(__FILE__": setsockopt(): %s\n", strerror(errno));
|
|
|
|
pa_socket_tcp_low_delay(fd);
|
|
|
|
memset(&sa, sizeof(sa), 0);
|
|
sa.sin_family = AF_INET;
|
|
sa.sin_port = htons(port);
|
|
sa.sin_addr.s_addr = htonl(address);
|
|
|
|
if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
|
|
pa_log(__FILE__": bind(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
if (listen(fd, 5) < 0) {
|
|
pa_log(__FILE__": listen(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
if ((ss = pa_socket_server_new(m, fd))) {
|
|
ss->type = SOCKET_SERVER_IPV4;
|
|
ss->tcpwrap_service = pa_xstrdup(tcpwrap_service);
|
|
}
|
|
|
|
return ss;
|
|
|
|
fail:
|
|
if (fd >= 0)
|
|
close(fd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct pa_socket_server* pa_socket_server_new_ipv6(struct pa_mainloop_api *m, uint8_t address[16], uint16_t port) {
|
|
struct pa_socket_server *ss;
|
|
int fd = -1;
|
|
struct sockaddr_in6 sa;
|
|
int on = 1;
|
|
|
|
assert(m && port);
|
|
|
|
if ((fd = socket(PF_INET6, SOCK_STREAM, 0)) < 0) {
|
|
pa_log(__FILE__": socket(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
pa_fd_set_cloexec(fd, 1);
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
|
|
pa_log(__FILE__": setsockopt(): %s\n", strerror(errno));
|
|
|
|
pa_socket_tcp_low_delay(fd);
|
|
|
|
memset(&sa, sizeof(sa), 0);
|
|
sa.sin6_family = AF_INET6;
|
|
sa.sin6_port = htons(port);
|
|
memcpy(sa.sin6_addr.s6_addr, address, 16);
|
|
|
|
if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
|
|
pa_log(__FILE__": bind(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
if (listen(fd, 5) < 0) {
|
|
pa_log(__FILE__": listen(): %s\n", strerror(errno));
|
|
goto fail;
|
|
}
|
|
|
|
if ((ss = pa_socket_server_new(m, fd)))
|
|
ss->type = SOCKET_SERVER_IPV6;
|
|
|
|
return ss;
|
|
|
|
fail:
|
|
if (fd >= 0)
|
|
close(fd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void socket_server_free(struct pa_socket_server*s) {
|
|
assert(s);
|
|
close(s->fd);
|
|
|
|
if (s->filename) {
|
|
unlink(s->filename);
|
|
pa_xfree(s->filename);
|
|
}
|
|
|
|
pa_xfree(s->tcpwrap_service);
|
|
|
|
s->mainloop->io_free(s->io_event);
|
|
pa_xfree(s);
|
|
}
|
|
|
|
void pa_socket_server_unref(struct pa_socket_server *s) {
|
|
assert(s && s->ref >= 1);
|
|
|
|
if (!(--(s->ref)))
|
|
socket_server_free(s);
|
|
}
|
|
|
|
void pa_socket_server_set_callback(struct pa_socket_server*s, void (*on_connection)(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata), void *userdata) {
|
|
assert(s && s->ref >= 1);
|
|
|
|
s->on_connection = on_connection;
|
|
s->userdata = userdata;
|
|
}
|
|
|
|
|
|
char *pa_socket_server_get_address(struct pa_socket_server *s, char *c, size_t l) {
|
|
assert(s && c && l > 0);
|
|
|
|
switch (s->type) {
|
|
case SOCKET_SERVER_IPV6: {
|
|
struct sockaddr_in6 sa;
|
|
socklen_t l = sizeof(sa);
|
|
|
|
if (getsockname(s->fd, (struct sockaddr*) &sa, &l) < 0) {
|
|
pa_log(__FILE__": getsockname() failed: %s\n", strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
if (memcmp(&in6addr_any, &sa.sin6_addr, sizeof(in6addr_any)) == 0) {
|
|
char fqdn[256];
|
|
if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
|
|
return NULL;
|
|
|
|
snprintf(c, l, "tcp6:%s:%u", fqdn, (unsigned) ntohs(sa.sin6_port));
|
|
|
|
} else if (memcmp(&in6addr_loopback, &sa.sin6_addr, sizeof(in6addr_loopback)) == 0) {
|
|
char hn[256];
|
|
if (!pa_get_host_name(hn, sizeof(hn)))
|
|
return NULL;
|
|
|
|
snprintf(c, l, "{%s}tcp6:localhost:%u", hn, (unsigned) ntohs(sa.sin6_port));
|
|
} else {
|
|
char ip[INET6_ADDRSTRLEN];
|
|
|
|
if (!inet_ntop(AF_INET6, &sa.sin6_addr, ip, sizeof(ip))) {
|
|
pa_log(__FILE__": inet_ntop() failed: %s\n", strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
snprintf(c, l, "tcp6:[%s]:%u", ip, (unsigned) ntohs(sa.sin6_port));
|
|
}
|
|
|
|
return c;
|
|
}
|
|
|
|
case SOCKET_SERVER_IPV4: {
|
|
struct sockaddr_in sa;
|
|
socklen_t l = sizeof(sa);
|
|
|
|
if (getsockname(s->fd, &sa, &l) < 0) {
|
|
pa_log(__FILE__": getsockname() failed: %s\n", strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
if (sa.sin_addr.s_addr == INADDR_ANY) {
|
|
char fqdn[256];
|
|
if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
|
|
return NULL;
|
|
|
|
snprintf(c, l, "tcp:%s:%u", fqdn, (unsigned) ntohs(sa.sin_port));
|
|
} else if (sa.sin_addr.s_addr == INADDR_LOOPBACK) {
|
|
char hn[256];
|
|
if (!pa_get_host_name(hn, sizeof(hn)))
|
|
return NULL;
|
|
|
|
snprintf(c, l, "{%s}tcp:localhost:%u", hn, (unsigned) ntohs(sa.sin_port));
|
|
} else {
|
|
char ip[INET_ADDRSTRLEN];
|
|
|
|
if (!inet_ntop(AF_INET, &sa.sin_addr, ip, sizeof(ip))) {
|
|
pa_log(__FILE__": inet_ntop() failed: %s\n", strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
snprintf(c, l, "tcp:[%s]:%u", ip, (unsigned) ntohs(sa.sin_port));
|
|
|
|
}
|
|
|
|
return c;
|
|
}
|
|
|
|
case SOCKET_SERVER_UNIX: {
|
|
char hn[256];
|
|
|
|
if (!s->filename)
|
|
return NULL;
|
|
|
|
if (!pa_get_host_name(hn, sizeof(hn)))
|
|
return NULL;
|
|
|
|
snprintf(c, l, "{%s}unix:%s", hn, s->filename);
|
|
return c;
|
|
}
|
|
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|