-/* $Id$ */
-
/***
This file is part of PulseAudio.
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,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
#endif
#include <stdlib.h>
-#include <assert.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#ifndef SUN_LEN
((size_t)(((struct sockaddr_un *) 0)->sun_path) + strlen((ptr)->sun_path))
#endif
#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_LIBWRAP
#include <tcpd.h>
-#endif
-#ifndef HAVE_INET_NTOP
-#include "inet_ntop.h"
+/* Solaris requires that the allow_severity and deny_severity variables be
+ * defined in the client program. */
+#ifdef __sun
+#include <syslog.h>
+int allow_severity = LOG_INFO;
+int deny_severity = LOG_WARNING;
#endif
-#ifndef HAVE_INET_PTON
-#include "inet_pton.h"
-#endif
-
-#include "winsock.h"
+#endif /* HAVE_LIBWRAP */
#include <pulse/xmalloc.h>
#include <pulse/util.h>
+#include <pulsecore/socket.h>
#include <pulsecore/socket-util.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
#include <pulsecore/core-error.h>
+#include <pulsecore/refcnt.h>
+#include <pulsecore/arpa-inet.h>
#include "socket-server.h"
struct pa_socket_server {
- int ref;
+ PA_REFCNT_DECLARE;
int fd;
char *filename;
char *tcpwrap_service;
- void (*on_connection)(pa_socket_server*s, pa_iochannel *io, void *userdata);
+ pa_socket_server_on_connection_cb_t on_connection;
void *userdata;
pa_io_event *io_event;
pa_mainloop_api *mainloop;
- enum { SOCKET_SERVER_GENERIC, SOCKET_SERVER_IPV4, SOCKET_SERVER_UNIX, SOCKET_SERVER_IPV6 } type;
+ enum {
+ SOCKET_SERVER_GENERIC,
+ SOCKET_SERVER_IPV4,
+ SOCKET_SERVER_UNIX,
+ SOCKET_SERVER_IPV6
+ } type;
};
-static void callback(pa_mainloop_api *mainloop, pa_io_event *e, int fd, PA_GCC_UNUSED pa_io_event_flags_t f, void *userdata) {
+static void callback(pa_mainloop_api *mainloop, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
pa_socket_server *s = userdata;
pa_iochannel *io;
int nfd;
- assert(s && s->mainloop == mainloop && s->io_event == e && e && fd >= 0 && fd == s->fd);
+
+ pa_assert(s);
+ pa_assert(PA_REFCNT_VALUE(s) >= 1);
+ pa_assert(s->mainloop == mainloop);
+ pa_assert(s->io_event == e);
+ pa_assert(e);
+ pa_assert(fd >= 0);
+ pa_assert(fd == s->fd);
pa_socket_server_ref(s);
- if ((nfd = accept(fd, NULL, NULL)) < 0) {
+ if ((nfd = pa_accept_cloexec(fd, NULL, NULL)) < 0) {
pa_log("accept(): %s", pa_cstrerror(errno));
goto finish;
}
- pa_fd_set_cloexec(nfd, 1);
-
if (!s->on_connection) {
pa_close(nfd);
goto finish;
/* There should be a check for socket type here */
if (s->type == SOCKET_SERVER_IPV4)
- pa_socket_tcp_low_delay(fd);
+ pa_make_tcp_socket_low_delay(fd);
else
- pa_socket_low_delay(fd);
+ pa_make_socket_low_delay(fd);
- io = pa_iochannel_new(s->mainloop, nfd, nfd);
- assert(io);
+ pa_assert_se(io = pa_iochannel_new(s->mainloop, nfd, nfd));
s->on_connection(s, io, s->userdata);
finish:
pa_socket_server* pa_socket_server_new(pa_mainloop_api *m, int fd) {
pa_socket_server *s;
- assert(m && fd >= 0);
- s = pa_xmalloc(sizeof(pa_socket_server));
- s->ref = 1;
- s->fd = fd;
- s->filename = NULL;
- s->on_connection = NULL;
- s->userdata = NULL;
- s->tcpwrap_service = NULL;
+ pa_assert(m);
+ pa_assert(fd >= 0);
+ s = pa_xnew0(pa_socket_server, 1);
+ PA_REFCNT_INIT(s);
+ s->fd = fd;
s->mainloop = m;
- s->io_event = m->io_new(m, fd, PA_IO_EVENT_INPUT, callback, s);
- assert(s->io_event);
+
+ pa_assert_se(s->io_event = m->io_new(m, fd, PA_IO_EVENT_INPUT, callback, s));
s->type = SOCKET_SERVER_GENERIC;
}
pa_socket_server* pa_socket_server_ref(pa_socket_server *s) {
- assert(s && s->ref >= 1);
- s->ref++;
+ pa_assert(s);
+ pa_assert(PA_REFCNT_VALUE(s) >= 1);
+
+ PA_REFCNT_INC(s);
return s;
}
struct sockaddr_un sa;
pa_socket_server *s;
- assert(m && filename);
+ pa_assert(m);
+ pa_assert(filename);
- if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
+ if ((fd = pa_socket_cloexec(PF_UNIX, SOCK_STREAM, 0)) < 0) {
pa_log("socket(): %s", pa_cstrerror(errno));
goto fail;
}
- pa_fd_set_cloexec(fd, 1);
-
+ memset(&sa, 0, sizeof(sa));
sa.sun_family = AF_UNIX;
- strncpy(sa.sun_path, filename, sizeof(sa.sun_path)-1);
- sa.sun_path[sizeof(sa.sun_path) - 1] = 0;
+ pa_strlcpy(sa.sun_path, filename, sizeof(sa.sun_path));
- pa_socket_low_delay(fd);
+ pa_make_socket_low_delay(fd);
- if (bind(fd, (struct sockaddr*) &sa, SUN_LEN(&sa)) < 0) {
+ if (bind(fd, (struct sockaddr*) &sa, (socklen_t) SUN_LEN(&sa)) < 0) {
pa_log("bind(): %s", pa_cstrerror(errno));
goto fail;
}
goto fail;
}
- s = pa_socket_server_new(m, fd);
- assert(s);
+ pa_assert_se(s = pa_socket_server_new(m, fd));
s->filename = pa_xstrdup(filename);
s->type = SOCKET_SERVER_UNIX;
#endif /* HAVE_SYS_UN_H */
-pa_socket_server* pa_socket_server_new_ipv4(pa_mainloop_api *m, uint32_t address, uint16_t port, const char *tcpwrap_service) {
+pa_socket_server* pa_socket_server_new_ipv4(pa_mainloop_api *m, uint32_t address, uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
pa_socket_server *ss;
int fd = -1;
struct sockaddr_in sa;
int on = 1;
- assert(m && port);
+ pa_assert(m);
+ pa_assert(port);
- if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
+ if ((fd = pa_socket_cloexec(PF_INET, SOCK_STREAM, 0)) < 0) {
pa_log("socket(PF_INET): %s", pa_cstrerror(errno));
goto fail;
}
- pa_fd_set_cloexec(fd, 1);
-
#ifdef SO_REUSEADDR
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const void *) &on, sizeof(on)) < 0)
pa_log("setsockopt(): %s", pa_cstrerror(errno));
#endif
- pa_socket_tcp_low_delay(fd);
+ pa_make_tcp_socket_low_delay(fd);
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = htonl(address);
if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
+
+ if (errno == EADDRINUSE && fallback) {
+ sa.sin_port = 0;
+
+ if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) >= 0)
+ goto good;
+ }
+
pa_log("bind(): %s", pa_cstrerror(errno));
goto fail;
+
+ good:
+ ;
}
if (listen(fd, 5) < 0) {
return NULL;
}
-pa_socket_server* pa_socket_server_new_ipv6(pa_mainloop_api *m, const uint8_t address[16], uint16_t port, const char *tcpwrap_service) {
+#ifdef HAVE_IPV6
+pa_socket_server* pa_socket_server_new_ipv6(pa_mainloop_api *m, const uint8_t address[16], uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
pa_socket_server *ss;
int fd = -1;
struct sockaddr_in6 sa;
- int on = 1;
+ int on;
- assert(m && port);
+ pa_assert(m);
+ pa_assert(port > 0);
- if ((fd = socket(PF_INET6, SOCK_STREAM, 0)) < 0) {
+ if ((fd = pa_socket_cloexec(PF_INET6, SOCK_STREAM, 0)) < 0) {
pa_log("socket(PF_INET6): %s", pa_cstrerror(errno));
goto fail;
}
- pa_fd_set_cloexec(fd, 1);
-
#ifdef IPV6_V6ONLY
- if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) < 0)
+ on = 1;
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (const void *) &on, sizeof(on)) < 0)
pa_log("setsockopt(IPPROTO_IPV6, IPV6_V6ONLY): %s", pa_cstrerror(errno));
#endif
#ifdef SO_REUSEADDR
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
+ on = 1;
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const void *) &on, sizeof(on)) < 0)
pa_log("setsockopt(SOL_SOCKET, SO_REUSEADDR, 1): %s", pa_cstrerror(errno));
#endif
- pa_socket_tcp_low_delay(fd);
+ pa_make_tcp_socket_low_delay(fd);
memset(&sa, 0, sizeof(sa));
sa.sin6_family = AF_INET6;
memcpy(sa.sin6_addr.s6_addr, address, 16);
if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
+
+ if (errno == EADDRINUSE && fallback) {
+ sa.sin6_port = 0;
+
+ if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) >= 0)
+ goto good;
+ }
+
pa_log("bind(): %s", pa_cstrerror(errno));
goto fail;
+
+ good:
+ ;
}
if (listen(fd, 5) < 0) {
return NULL;
}
+#endif
-pa_socket_server* pa_socket_server_new_ipv4_loopback(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
- assert(m);
- assert(port > 0);
+pa_socket_server* pa_socket_server_new_ipv4_loopback(pa_mainloop_api *m, uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
+ pa_assert(m);
+ pa_assert(port > 0);
- return pa_socket_server_new_ipv4(m, INADDR_LOOPBACK, port, tcpwrap_service);
+ return pa_socket_server_new_ipv4(m, INADDR_LOOPBACK, port, fallback, tcpwrap_service);
}
-pa_socket_server* pa_socket_server_new_ipv6_loopback(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
- assert(m);
- assert(port > 0);
+#ifdef HAVE_IPV6
+pa_socket_server* pa_socket_server_new_ipv6_loopback(pa_mainloop_api *m, uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
+ pa_assert(m);
+ pa_assert(port > 0);
- return pa_socket_server_new_ipv6(m, in6addr_loopback.s6_addr, port, tcpwrap_service);
+ return pa_socket_server_new_ipv6(m, in6addr_loopback.s6_addr, port, fallback, tcpwrap_service);
}
+#endif
-pa_socket_server* pa_socket_server_new_ipv4_any(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
- assert(m);
- assert(port > 0);
+pa_socket_server* pa_socket_server_new_ipv4_any(pa_mainloop_api *m, uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
+ pa_assert(m);
+ pa_assert(port > 0);
- return pa_socket_server_new_ipv4(m, INADDR_ANY, port, tcpwrap_service);
+ return pa_socket_server_new_ipv4(m, INADDR_ANY, port, fallback, tcpwrap_service);
}
-pa_socket_server* pa_socket_server_new_ipv6_any(pa_mainloop_api *m, uint16_t port, const char *tcpwrap_service) {
- assert(m);
- assert(port > 0);
+#ifdef HAVE_IPV6
+pa_socket_server* pa_socket_server_new_ipv6_any(pa_mainloop_api *m, uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
+ pa_assert(m);
+ pa_assert(port > 0);
- return pa_socket_server_new_ipv6(m, in6addr_any.s6_addr, port, tcpwrap_service);
+ return pa_socket_server_new_ipv6(m, in6addr_any.s6_addr, port, fallback, tcpwrap_service);
}
+#endif
-pa_socket_server* pa_socket_server_new_ipv4_string(pa_mainloop_api *m, const char *name, uint16_t port, const char *tcpwrap_service) {
+pa_socket_server* pa_socket_server_new_ipv4_string(pa_mainloop_api *m, const char *name, uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
struct in_addr ipv4;
- assert(m);
- assert(name);
- assert(port > 0);
+ pa_assert(m);
+ pa_assert(name);
+ pa_assert(port > 0);
if (inet_pton(AF_INET, name, &ipv4) > 0)
- return pa_socket_server_new_ipv4(m, ntohl(ipv4.s_addr), port, tcpwrap_service);
+ return pa_socket_server_new_ipv4(m, ntohl(ipv4.s_addr), port, fallback, tcpwrap_service);
return NULL;
}
-pa_socket_server* pa_socket_server_new_ipv6_string(pa_mainloop_api *m, const char *name, uint16_t port, const char *tcpwrap_service) {
+#ifdef HAVE_IPV6
+pa_socket_server* pa_socket_server_new_ipv6_string(pa_mainloop_api *m, const char *name, uint16_t port, pa_bool_t fallback, const char *tcpwrap_service) {
struct in6_addr ipv6;
- assert(m);
- assert(name);
- assert(port > 0);
+ pa_assert(m);
+ pa_assert(name);
+ pa_assert(port > 0);
if (inet_pton(AF_INET6, name, &ipv6) > 0)
- return pa_socket_server_new_ipv6(m, ipv6.s6_addr, port, tcpwrap_service);
+ return pa_socket_server_new_ipv6(m, ipv6.s6_addr, port, fallback, tcpwrap_service);
return NULL;
}
+#endif
static void socket_server_free(pa_socket_server*s) {
- assert(s);
+ pa_assert(s);
if (s->filename) {
unlink(s->filename);
}
void pa_socket_server_unref(pa_socket_server *s) {
- assert(s && s->ref >= 1);
+ pa_assert(s);
+ pa_assert(PA_REFCNT_VALUE(s) >= 1);
- if (!(--(s->ref)))
+ if (PA_REFCNT_DEC(s) <= 0)
socket_server_free(s);
}
-void pa_socket_server_set_callback(pa_socket_server*s, void (*on_connection)(pa_socket_server*s, pa_iochannel *io, void *userdata), void *userdata) {
- assert(s && s->ref >= 1);
+void pa_socket_server_set_callback(pa_socket_server*s, pa_socket_server_on_connection_cb_t on_connection, void *userdata) {
+ pa_assert(s);
+ pa_assert(PA_REFCNT_VALUE(s) >= 1);
s->on_connection = on_connection;
s->userdata = userdata;
}
char *pa_socket_server_get_address(pa_socket_server *s, char *c, size_t l) {
- assert(s && c && l > 0);
+ pa_assert(s);
+ pa_assert(PA_REFCNT_VALUE(s) >= 1);
+ pa_assert(c);
+ pa_assert(l > 0);
switch (s->type) {
+#ifdef HAVE_IPV6
case SOCKET_SERVER_IPV6: {
struct sockaddr_in6 sa;
socklen_t sa_len = sizeof(sa);
if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
return NULL;
- snprintf(c, l, "tcp6:%s:%u", fqdn, (unsigned) ntohs(sa.sin6_port));
+ pa_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)))
+ char *id;
+
+ if (!(id = pa_machine_id()))
return NULL;
- snprintf(c, l, "{%s}tcp6:localhost:%u", hn, (unsigned) ntohs(sa.sin6_port));
+ pa_snprintf(c, l, "{%s}tcp6:localhost:%u", id, (unsigned) ntohs(sa.sin6_port));
+ pa_xfree(id);
} else {
char ip[INET6_ADDRSTRLEN];
return NULL;
}
- snprintf(c, l, "tcp6:[%s]:%u", ip, (unsigned) ntohs(sa.sin6_port));
+ pa_snprintf(c, l, "tcp6:[%s]:%u", ip, (unsigned) ntohs(sa.sin6_port));
}
return c;
}
+#endif
case SOCKET_SERVER_IPV4: {
struct sockaddr_in sa;
if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
return NULL;
- snprintf(c, l, "tcp:%s:%u", fqdn, (unsigned) ntohs(sa.sin_port));
+ pa_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)))
+ char *id;
+
+ if (!(id = pa_machine_id()))
return NULL;
- snprintf(c, l, "{%s}tcp:localhost:%u", hn, (unsigned) ntohs(sa.sin_port));
+ pa_snprintf(c, l, "{%s}tcp:localhost:%u", id, (unsigned) ntohs(sa.sin_port));
+ pa_xfree(id);
} else {
char ip[INET_ADDRSTRLEN];
return NULL;
}
- snprintf(c, l, "tcp:[%s]:%u", ip, (unsigned) ntohs(sa.sin_port));
-
+ pa_snprintf(c, l, "tcp:[%s]:%u", ip, (unsigned) ntohs(sa.sin_port));
}
return c;
}
case SOCKET_SERVER_UNIX: {
- char hn[256];
+ char *id;
if (!s->filename)
return NULL;
- if (!pa_get_host_name(hn, sizeof(hn)))
+ if (!(id = pa_machine_id()))
return NULL;
- snprintf(c, l, "{%s}unix:%s", hn, s->filename);
+ pa_snprintf(c, l, "{%s}unix:%s", id, s->filename);
+ pa_xfree(id);
return c;
}