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"
61 #include <polypcore/socket-util.h>
62 #include <polypcore/xmalloc.h>
63 #include <polypcore/util.h>
64 #include <polypcore/log.h>
66 #include "socket-server.h"
68 struct pa_socket_server {
72 char *tcpwrap_service;
74 void (*on_connection)(pa_socket_server*s, pa_iochannel *io, void *userdata);
77 pa_io_event *io_event;
78 pa_mainloop_api *mainloop;
79 enum { SOCKET_SERVER_GENERIC, SOCKET_SERVER_IPV4, SOCKET_SERVER_UNIX, SOCKET_SERVER_IPV6 } type;
82 static void callback(pa_mainloop_api *mainloop, pa_io_event *e, int fd, PA_GCC_UNUSED pa_io_event_flags_t f, void *userdata) {
83 pa_socket_server *s = userdata;
86 assert(s && s->mainloop == mainloop && s->io_event == e && e && fd >= 0 && fd == s->fd);
88 pa_socket_server_ref(s);
90 if ((nfd = accept(fd, NULL, NULL)) < 0) {
91 pa_log(__FILE__": accept(): %s\n", strerror(errno));
95 pa_fd_set_cloexec(nfd, 1);
97 if (!s->on_connection) {
104 if (s->type == SOCKET_SERVER_IPV4 && s->tcpwrap_service) {
105 struct request_info req;
107 request_init(&req, RQ_DAEMON, s->tcpwrap_service, RQ_FILE, nfd, NULL);
109 if (!hosts_access(&req)) {
110 pa_log(__FILE__": TCP connection refused by tcpwrap.\n");
115 pa_log(__FILE__": TCP connection accepted by tcpwrap.\n");
119 /* There should be a check for socket type here */
120 if (s->type == SOCKET_SERVER_IPV4)
121 pa_socket_tcp_low_delay(fd);
123 pa_socket_low_delay(fd);
125 io = pa_iochannel_new(s->mainloop, nfd, nfd);
127 s->on_connection(s, io, s->userdata);
130 pa_socket_server_unref(s);
133 pa_socket_server* pa_socket_server_new(pa_mainloop_api *m, int fd) {
135 assert(m && fd >= 0);
137 s = pa_xmalloc(sizeof(pa_socket_server));
141 s->on_connection = NULL;
143 s->tcpwrap_service = NULL;
146 s->io_event = m->io_new(m, fd, PA_IO_EVENT_INPUT, callback, s);
149 s->type = SOCKET_SERVER_GENERIC;
154 pa_socket_server* pa_socket_server_ref(pa_socket_server *s) {
155 assert(s && s->ref >= 1);
162 pa_socket_server* pa_socket_server_new_unix(pa_mainloop_api *m, const char *filename) {
164 struct sockaddr_un sa;
167 assert(m && filename);
169 if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
170 pa_log(__FILE__": socket(): %s\n", strerror(errno));
174 pa_fd_set_cloexec(fd, 1);
176 sa.sun_family = AF_UNIX;
177 strncpy(sa.sun_path, filename, sizeof(sa.sun_path)-1);
178 sa.sun_path[sizeof(sa.sun_path) - 1] = 0;
180 pa_socket_low_delay(fd);
182 if (bind(fd, (struct sockaddr*) &sa, SUN_LEN(&sa)) < 0) {
183 pa_log(__FILE__": bind(): %s\n", strerror(errno));
187 if (listen(fd, 5) < 0) {
188 pa_log(__FILE__": listen(): %s\n", strerror(errno));
192 s = pa_socket_server_new(m, fd);
195 s->filename = pa_xstrdup(filename);
196 s->type = SOCKET_SERVER_UNIX;
207 #else /* HAVE_SYS_UN_H */
209 pa_socket_server* pa_socket_server_new_unix(pa_mainloop_api *m, const char *filename) {
213 #endif /* HAVE_SYS_UN_H */
215 pa_socket_server* pa_socket_server_new_ipv4(pa_mainloop_api *m, uint32_t address, uint16_t port, const char *tcpwrap_service) {
216 pa_socket_server *ss;
218 struct sockaddr_in sa;
223 if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
224 pa_log(__FILE__": socket(): %s\n", strerror(errno));
228 pa_fd_set_cloexec(fd, 1);
230 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&on, sizeof(on)) < 0)
231 pa_log(__FILE__": setsockopt(): %s\n", strerror(errno));
233 pa_socket_tcp_low_delay(fd);
235 memset(&sa, 0, sizeof(sa));
236 sa.sin_family = AF_INET;
237 sa.sin_port = htons(port);
238 sa.sin_addr.s_addr = htonl(address);
240 if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
241 pa_log(__FILE__": bind(): %s\n", strerror(errno));
245 if (listen(fd, 5) < 0) {
246 pa_log(__FILE__": listen(): %s\n", strerror(errno));
250 if ((ss = pa_socket_server_new(m, fd))) {
251 ss->type = SOCKET_SERVER_IPV4;
252 ss->tcpwrap_service = pa_xstrdup(tcpwrap_service);
264 pa_socket_server* pa_socket_server_new_ipv6(pa_mainloop_api *m, const uint8_t address[16], uint16_t port) {
265 pa_socket_server *ss;
267 struct sockaddr_in6 sa;
272 if ((fd = socket(PF_INET6, SOCK_STREAM, 0)) < 0) {
273 pa_log(__FILE__": socket(): %s\n", strerror(errno));
277 pa_fd_set_cloexec(fd, 1);
279 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&on, sizeof(on)) < 0)
280 pa_log(__FILE__": setsockopt(): %s\n", strerror(errno));
282 pa_socket_tcp_low_delay(fd);
284 memset(&sa, 0, sizeof(sa));
285 sa.sin6_family = AF_INET6;
286 sa.sin6_port = htons(port);
287 memcpy(sa.sin6_addr.s6_addr, address, 16);
289 if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
290 pa_log(__FILE__": bind(): %s\n", strerror(errno));
294 if (listen(fd, 5) < 0) {
295 pa_log(__FILE__": listen(): %s\n", strerror(errno));
299 if ((ss = pa_socket_server_new(m, fd)))
300 ss->type = SOCKET_SERVER_IPV6;
311 static void socket_server_free(pa_socket_server*s) {
317 pa_xfree(s->filename);
320 pa_xfree(s->tcpwrap_service);
322 s->mainloop->io_free(s->io_event);
326 void pa_socket_server_unref(pa_socket_server *s) {
327 assert(s && s->ref >= 1);
330 socket_server_free(s);
333 void pa_socket_server_set_callback(pa_socket_server*s, void (*on_connection)(pa_socket_server*s, pa_iochannel *io, void *userdata), void *userdata) {
334 assert(s && s->ref >= 1);
336 s->on_connection = on_connection;
337 s->userdata = userdata;
341 char *pa_socket_server_get_address(pa_socket_server *s, char *c, size_t l) {
342 assert(s && c && l > 0);
345 case SOCKET_SERVER_IPV6: {
346 struct sockaddr_in6 sa;
347 socklen_t sa_len = sizeof(sa);
349 if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 0) {
350 pa_log(__FILE__": getsockname() failed: %s\n", strerror(errno));
354 if (memcmp(&in6addr_any, &sa.sin6_addr, sizeof(in6addr_any)) == 0) {
356 if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
359 snprintf(c, l, "tcp6:%s:%u", fqdn, (unsigned) ntohs(sa.sin6_port));
361 } else if (memcmp(&in6addr_loopback, &sa.sin6_addr, sizeof(in6addr_loopback)) == 0) {
363 if (!pa_get_host_name(hn, sizeof(hn)))
366 snprintf(c, l, "{%s}tcp6:localhost:%u", hn, (unsigned) ntohs(sa.sin6_port));
368 char ip[INET6_ADDRSTRLEN];
370 if (!inet_ntop(AF_INET6, &sa.sin6_addr, ip, sizeof(ip))) {
371 pa_log(__FILE__": inet_ntop() failed: %s\n", strerror(errno));
375 snprintf(c, l, "tcp6:[%s]:%u", ip, (unsigned) ntohs(sa.sin6_port));
381 case SOCKET_SERVER_IPV4: {
382 struct sockaddr_in sa;
383 socklen_t sa_len = sizeof(sa);
385 if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 0) {
386 pa_log(__FILE__": getsockname() failed: %s\n", strerror(errno));
390 if (sa.sin_addr.s_addr == INADDR_ANY) {
392 if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
395 snprintf(c, l, "tcp:%s:%u", fqdn, (unsigned) ntohs(sa.sin_port));
396 } else if (sa.sin_addr.s_addr == INADDR_LOOPBACK) {
398 if (!pa_get_host_name(hn, sizeof(hn)))
401 snprintf(c, l, "{%s}tcp:localhost:%u", hn, (unsigned) ntohs(sa.sin_port));
403 char ip[INET_ADDRSTRLEN];
405 if (!inet_ntop(AF_INET, &sa.sin_addr, ip, sizeof(ip))) {
406 pa_log(__FILE__": inet_ntop() failed: %s\n", strerror(errno));
410 snprintf(c, l, "tcp:[%s]:%u", ip, (unsigned) ntohs(sa.sin_port));
417 case SOCKET_SERVER_UNIX: {
423 if (!pa_get_host_name(hn, sizeof(hn)))
426 snprintf(c, l, "{%s}unix:%s", hn, s->filename);