4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <sys/types.h>
34 #ifdef HAVE_SYS_SOCKET_H
35 #include <sys/socket.h>
40 #define SUN_LEN(ptr) \
41 ((size_t)(((struct sockaddr_un *) 0)->sun_path) + strlen((ptr)->sun_path))
44 #ifdef HAVE_ARPA_INET_H
45 #include <arpa/inet.h>
47 #ifdef HAVE_NETINET_IN_H
48 #include <netinet/in.h>
55 #ifndef HAVE_INET_NTOP
56 #include "inet_ntop.h"
59 #ifndef HAVE_INET_PTON
60 #include "inet_pton.h"
65 #include <polyp/xmalloc.h>
67 #include <polypcore/socket-util.h>
68 #include <polypcore/core-util.h>
69 #include <polypcore/log.h>
71 #include "socket-server.h"
73 struct pa_socket_server {
77 char *tcpwrap_service;
79 void (*on_connection)(pa_socket_server*s, pa_iochannel *io, void *userdata);
82 pa_io_event *io_event;
83 pa_mainloop_api *mainloop;
84 enum { SOCKET_SERVER_GENERIC, SOCKET_SERVER_IPV4, SOCKET_SERVER_UNIX, SOCKET_SERVER_IPV6 } type;
87 static void callback(pa_mainloop_api *mainloop, pa_io_event *e, int fd, PA_GCC_UNUSED pa_io_event_flags_t f, void *userdata) {
88 pa_socket_server *s = userdata;
91 assert(s && s->mainloop == mainloop && s->io_event == e && e && fd >= 0 && fd == s->fd);
93 pa_socket_server_ref(s);
95 if ((nfd = accept(fd, NULL, NULL)) < 0) {
96 pa_log(__FILE__": accept(): %s", strerror(errno));
100 pa_fd_set_cloexec(nfd, 1);
102 if (!s->on_connection) {
109 if (s->tcpwrap_service) {
110 struct request_info req;
112 request_init(&req, RQ_DAEMON, s->tcpwrap_service, RQ_FILE, nfd, NULL);
114 if (!hosts_access(&req)) {
115 pa_log_warn(__FILE__": TCP connection refused by tcpwrap.");
120 pa_log_info(__FILE__": TCP connection accepted by tcpwrap.");
124 /* There should be a check for socket type here */
125 if (s->type == SOCKET_SERVER_IPV4)
126 pa_socket_tcp_low_delay(fd);
128 pa_socket_low_delay(fd);
130 io = pa_iochannel_new(s->mainloop, nfd, nfd);
132 s->on_connection(s, io, s->userdata);
135 pa_socket_server_unref(s);
138 pa_socket_server* pa_socket_server_new(pa_mainloop_api *m, int fd) {
140 assert(m && fd >= 0);
142 s = pa_xmalloc(sizeof(pa_socket_server));
146 s->on_connection = NULL;
148 s->tcpwrap_service = NULL;
151 s->io_event = m->io_new(m, fd, PA_IO_EVENT_INPUT, callback, s);
154 s->type = SOCKET_SERVER_GENERIC;
159 pa_socket_server* pa_socket_server_ref(pa_socket_server *s) {
160 assert(s && s->ref >= 1);
167 pa_socket_server* pa_socket_server_new_unix(pa_mainloop_api *m, const char *filename) {
169 struct sockaddr_un sa;
172 assert(m && filename);
174 if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
175 pa_log(__FILE__": socket(): %s", strerror(errno));
179 pa_fd_set_cloexec(fd, 1);
181 sa.sun_family = AF_UNIX;
182 strncpy(sa.sun_path, filename, sizeof(sa.sun_path)-1);
183 sa.sun_path[sizeof(sa.sun_path) - 1] = 0;
185 pa_socket_low_delay(fd);
187 if (bind(fd, (struct sockaddr*) &sa, SUN_LEN(&sa)) < 0) {
188 pa_log(__FILE__": bind(): %s", strerror(errno));
192 if (listen(fd, 5) < 0) {
193 pa_log(__FILE__": listen(): %s", strerror(errno));
197 s = pa_socket_server_new(m, fd);
200 s->filename = pa_xstrdup(filename);
201 s->type = SOCKET_SERVER_UNIX;
212 #else /* HAVE_SYS_UN_H */
214 pa_socket_server* pa_socket_server_new_unix(pa_mainloop_api *m, const char *filename) {
218 #endif /* HAVE_SYS_UN_H */
220 pa_socket_server* pa_socket_server_new_ipv4(pa_mainloop_api *m, uint32_t address, uint16_t port, const char *tcpwrap_service) {
221 pa_socket_server *ss;
223 struct sockaddr_in sa;
228 if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
229 pa_log(__FILE__": socket(PF_INET): %s", strerror(errno));
233 pa_fd_set_cloexec(fd, 1);
236 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
237 pa_log(__FILE__": setsockopt(): %s", strerror(errno));
240 pa_socket_tcp_low_delay(fd);
242 memset(&sa, 0, sizeof(sa));
243 sa.sin_family = AF_INET;
244 sa.sin_port = htons(port);
245 sa.sin_addr.s_addr = htonl(address);
247 if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
248 pa_log(__FILE__": bind(): %s", strerror(errno));
252 if (listen(fd, 5) < 0) {
253 pa_log(__FILE__": listen(): %s", strerror(errno));
257 if ((ss = pa_socket_server_new(m, fd))) {
258 ss->type = SOCKET_SERVER_IPV4;
259 ss->tcpwrap_service = pa_xstrdup(tcpwrap_service);
271 pa_socket_server* pa_socket_server_new_ipv6(pa_mainloop_api *m, const uint8_t address[16], uint16_t port, const char *tcpwrap_service) {
272 pa_socket_server *ss;
274 struct sockaddr_in6 sa;
279 if ((fd = socket(PF_INET6, SOCK_STREAM, 0)) < 0) {
280 pa_log(__FILE__": socket(PF_INET6): %s", strerror(errno));
284 pa_fd_set_cloexec(fd, 1);
287 if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) < 0)
288 pa_log(__FILE__": setsockopt(IPPROTO_IPV6, IPV6_V6ONLY): %s", strerror(errno));
292 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
293 pa_log(__FILE__": setsockopt(SOL_SOCKET, SO_REUSEADDR, 1): %s", strerror(errno));
296 pa_socket_tcp_low_delay(fd);
298 memset(&sa, 0, sizeof(sa));
299 sa.sin6_family = AF_INET6;
300 sa.sin6_port = htons(port);
301 memcpy(sa.sin6_addr.s6_addr, address, 16);
303 if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
304 pa_log(__FILE__": bind(): %s", strerror(errno));
308 if (listen(fd, 5) < 0) {
309 pa_log(__FILE__": listen(): %s", strerror(errno));
313 if ((ss = pa_socket_server_new(m, fd))) {
314 ss->type = SOCKET_SERVER_IPV6;
315 ss->tcpwrap_service = pa_xstrdup(tcpwrap_service);
327 pa_socket_server* pa_socket_server_new_ipv4_loopback(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
331 return pa_socket_server_new_ipv4(m, INADDR_LOOPBACK, port, tcpwrap_service);
334 pa_socket_server* pa_socket_server_new_ipv6_loopback(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
338 return pa_socket_server_new_ipv6(m, in6addr_loopback.s6_addr, port, tcpwrap_service);
341 pa_socket_server* pa_socket_server_new_ipv4_any(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
345 return pa_socket_server_new_ipv4(m, INADDR_ANY, port, tcpwrap_service);
348 pa_socket_server* pa_socket_server_new_ipv6_any(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
352 return pa_socket_server_new_ipv6(m, in6addr_any.s6_addr, port, tcpwrap_service);
355 pa_socket_server* pa_socket_server_new_ipv4_string(pa_mainloop_api *m, const char *name, uint16_t port, const char *tcpwrap_service) {
362 if (inet_pton(AF_INET, name, &ipv4) > 0)
363 return pa_socket_server_new_ipv4(m, ntohl(ipv4.s_addr), port, tcpwrap_service);
368 pa_socket_server* pa_socket_server_new_ipv6_string(pa_mainloop_api *m, const char *name, uint16_t port, const char *tcpwrap_service) {
369 struct in6_addr ipv6;
375 if (inet_pton(AF_INET6, name, &ipv6) > 0)
376 return pa_socket_server_new_ipv6(m, ipv6.s6_addr, port, tcpwrap_service);
381 static void socket_server_free(pa_socket_server*s) {
386 pa_xfree(s->filename);
391 pa_xfree(s->tcpwrap_service);
393 s->mainloop->io_free(s->io_event);
397 void pa_socket_server_unref(pa_socket_server *s) {
398 assert(s && s->ref >= 1);
401 socket_server_free(s);
404 void pa_socket_server_set_callback(pa_socket_server*s, void (*on_connection)(pa_socket_server*s, pa_iochannel *io, void *userdata), void *userdata) {
405 assert(s && s->ref >= 1);
407 s->on_connection = on_connection;
408 s->userdata = userdata;
411 char *pa_socket_server_get_address(pa_socket_server *s, char *c, size_t l) {
412 assert(s && c && l > 0);
415 case SOCKET_SERVER_IPV6: {
416 struct sockaddr_in6 sa;
417 socklen_t sa_len = sizeof(sa);
419 if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 0) {
420 pa_log(__FILE__": getsockname() failed: %s", strerror(errno));
424 if (memcmp(&in6addr_any, &sa.sin6_addr, sizeof(in6addr_any)) == 0) {
426 if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
429 snprintf(c, l, "tcp6:%s:%u", fqdn, (unsigned) ntohs(sa.sin6_port));
431 } else if (memcmp(&in6addr_loopback, &sa.sin6_addr, sizeof(in6addr_loopback)) == 0) {
433 if (!pa_get_host_name(hn, sizeof(hn)))
436 snprintf(c, l, "{%s}tcp6:localhost:%u", hn, (unsigned) ntohs(sa.sin6_port));
438 char ip[INET6_ADDRSTRLEN];
440 if (!inet_ntop(AF_INET6, &sa.sin6_addr, ip, sizeof(ip))) {
441 pa_log(__FILE__": inet_ntop() failed: %s", strerror(errno));
445 snprintf(c, l, "tcp6:[%s]:%u", ip, (unsigned) ntohs(sa.sin6_port));
451 case SOCKET_SERVER_IPV4: {
452 struct sockaddr_in sa;
453 socklen_t sa_len = sizeof(sa);
455 if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 0) {
456 pa_log(__FILE__": getsockname() failed: %s", strerror(errno));
460 if (sa.sin_addr.s_addr == INADDR_ANY) {
462 if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
465 snprintf(c, l, "tcp:%s:%u", fqdn, (unsigned) ntohs(sa.sin_port));
466 } else if (sa.sin_addr.s_addr == INADDR_LOOPBACK) {
468 if (!pa_get_host_name(hn, sizeof(hn)))
471 snprintf(c, l, "{%s}tcp:localhost:%u", hn, (unsigned) ntohs(sa.sin_port));
473 char ip[INET_ADDRSTRLEN];
475 if (!inet_ntop(AF_INET, &sa.sin_addr, ip, sizeof(ip))) {
476 pa_log(__FILE__": inet_ntop() failed: %s", strerror(errno));
480 snprintf(c, l, "tcp:[%s]:%u", ip, (unsigned) ntohs(sa.sin_port));
487 case SOCKET_SERVER_UNIX: {
493 if (!pa_get_host_name(hn, sizeof(hn)))
496 snprintf(c, l, "{%s}unix:%s", hn, s->filename);