-/* $Id$ */
-
/***
This file is part of PulseAudio.
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2004 Joe Marcus Clarke
+ Copyright 2006-2007 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
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
#include <config.h>
#endif
-#include <stdarg.h>
#include <stdlib.h>
#include <signal.h>
#include <errno.h>
-#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
-#include <fcntl.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>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-
-#ifndef HAVE_INET_NTOP
-#include "inet_ntop.h"
-#endif
-
-#include "winsock.h"
-
-#include <pulse/xmalloc.h>
#include <pulsecore/core-error.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/socket.h>
+#include <pulsecore/arpa-inet.h>
#include "socket-util.h"
void pa_socket_peer_to_string(int fd, char *c, size_t l) {
+#ifndef OS_IS_WIN32
struct stat st;
+#endif
- assert(c && l && fd >= 0);
+ pa_assert(fd >= 0);
+ pa_assert(c);
+ pa_assert(l > 0);
#ifndef OS_IS_WIN32
- if (fstat(fd, &st) < 0) {
- snprintf(c, l, "Invalid client fd");
- return;
- }
-#endif
+ pa_assert_se(fstat(fd, &st) == 0);
-#ifndef OS_IS_WIN32
- if (S_ISSOCK(st.st_mode)) {
+ if (S_ISSOCK(st.st_mode))
#endif
+ {
union {
+ struct sockaddr_storage storage;
struct sockaddr sa;
struct sockaddr_in in;
+#ifdef HAVE_IPV6
struct sockaddr_in6 in6;
+#endif
#ifdef HAVE_SYS_UN_H
struct sockaddr_un un;
#endif
if (sa.sa.sa_family == AF_INET) {
uint32_t ip = ntohl(sa.in.sin_addr.s_addr);
- snprintf(c, l, "TCP/IP client from %i.%i.%i.%i:%u",
- ip >> 24,
- (ip >> 16) & 0xFF,
- (ip >> 8) & 0xFF,
- ip & 0xFF,
- ntohs(sa.in.sin_port));
+ pa_snprintf(c, l, "TCP/IP client from %i.%i.%i.%i:%u",
+ ip >> 24,
+ (ip >> 16) & 0xFF,
+ (ip >> 8) & 0xFF,
+ ip & 0xFF,
+ ntohs(sa.in.sin_port));
return;
+#ifdef HAVE_IPV6
} else if (sa.sa.sa_family == AF_INET6) {
char buf[INET6_ADDRSTRLEN];
const char *res;
res = inet_ntop(AF_INET6, &sa.in6.sin6_addr, buf, sizeof(buf));
if (res) {
- snprintf(c, l, "TCP/IP client from [%s]:%u", buf, ntohs(sa.in6.sin6_port));
+ pa_snprintf(c, l, "TCP/IP client from [%s]:%u", buf, ntohs(sa.in6.sin6_port));
return;
}
+#endif
#ifdef HAVE_SYS_UN_H
} else if (sa.sa.sa_family == AF_UNIX) {
- snprintf(c, l, "UNIX socket client");
+ pa_snprintf(c, l, "UNIX socket client");
return;
#endif
}
-
}
-#ifndef OS_IS_WIN32
- snprintf(c, l, "Unknown network client");
+
+ pa_snprintf(c, l, "Unknown network client");
return;
- } else if (S_ISCHR(st.st_mode) && (fd == 0 || fd == 1)) {
- snprintf(c, l, "STDIN/STDOUT client");
+ }
+#ifndef OS_IS_WIN32
+ else if (S_ISCHR(st.st_mode) && (fd == 0 || fd == 1)) {
+ pa_snprintf(c, l, "STDIN/STDOUT client");
return;
}
#endif /* OS_IS_WIN32 */
- snprintf(c, l, "Unknown client");
+ pa_snprintf(c, l, "Unknown client");
}
-int pa_socket_low_delay(int fd) {
+void pa_make_socket_low_delay(int fd) {
+
#ifdef SO_PRIORITY
int priority;
- assert(fd >= 0);
+ pa_assert(fd >= 0);
- priority = 7;
- if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, (void*)&priority, sizeof(priority)) < 0)
- return -1;
+ priority = 6;
+ if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, (const void *) &priority, sizeof(priority)) < 0)
+ pa_log_warn("SO_PRIORITY failed: %s", pa_cstrerror(errno));
#endif
-
- return 0;
}
-int pa_socket_tcp_low_delay(int fd) {
- int ret, tos, on;
-
- assert(fd >= 0);
+void pa_make_tcp_socket_low_delay(int fd) {
+ pa_assert(fd >= 0);
- ret = pa_socket_low_delay(fd);
-
- on = 1;
- tos = 0;
+ pa_make_socket_low_delay(fd);
#if defined(SOL_TCP) || defined(IPPROTO_TCP)
+ {
+ int on = 1;
#if defined(SOL_TCP)
- if (setsockopt(fd, SOL_TCP, TCP_NODELAY, (void*)&on, sizeof(on)) < 0)
+ if (setsockopt(fd, SOL_TCP, TCP_NODELAY, (const void *) &on, sizeof(on)) < 0)
#else
- if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (void*)&on, sizeof(on)) < 0)
+ if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (const void *) &on, sizeof(on)) < 0)
#endif
- ret = -1;
+ pa_log_warn("TCP_NODELAY failed: %s", pa_cstrerror(errno));
+ }
#endif
-#if defined(IPTOS_LOWDELAY) && defined(IP_TOS) && (defined(SOL_IP) || \
- defined(IPPROTO_IP))
- tos = IPTOS_LOWDELAY;
+#if defined(IPTOS_LOWDELAY) && defined(IP_TOS) && (defined(SOL_IP) || defined(IPPROTO_IP))
+ {
+ int tos = IPTOS_LOWDELAY;
#ifdef SOL_IP
- if (setsockopt(fd, SOL_IP, IP_TOS, (void*)&tos, sizeof(tos)) < 0)
+ if (setsockopt(fd, SOL_IP, IP_TOS, (const void *) &tos, sizeof(tos)) < 0)
#else
- if (setsockopt(fd, IPPROTO_IP, IP_TOS, (void*)&tos, sizeof(tos)) < 0)
+ if (setsockopt(fd, IPPROTO_IP, IP_TOS, (const void *) &tos, sizeof(tos)) < 0)
#endif
- ret = -1;
+ pa_log_warn("IP_TOS failed: %s", pa_cstrerror(errno));
+ }
#endif
+}
- return ret;
+void pa_make_udp_socket_low_delay(int fd) {
+ pa_assert(fd >= 0);
+ pa_make_socket_low_delay(fd);
+
+#if defined(IPTOS_LOWDELAY) && defined(IP_TOS) && (defined(SOL_IP) || defined(IPPROTO_IP))
+ {
+ int tos = IPTOS_LOWDELAY;
+#ifdef SOL_IP
+ if (setsockopt(fd, SOL_IP, IP_TOS, (const void *) &tos, sizeof(tos)) < 0)
+#else
+ if (setsockopt(fd, IPPROTO_IP, IP_TOS, (const void *) &tos, sizeof(tos)) < 0)
+#endif
+ pa_log_warn("IP_TOS failed: %s", pa_cstrerror(errno));
+ }
+#endif
}
int pa_socket_set_rcvbuf(int fd, size_t l) {
- assert(fd >= 0);
+ int bufsz = (int) l;
-/* if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (void*)&l, sizeof(l)) < 0) { */
-/* pa_log("SO_RCVBUF: %s", strerror(errno)); */
-/* return -1; */
-/* } */
+ pa_assert(fd >= 0);
+
+ if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (const void *) &bufsz, sizeof(bufsz)) < 0) {
+ pa_log_warn("SO_RCVBUF: %s", pa_cstrerror(errno));
+ return -1;
+ }
return 0;
}
int pa_socket_set_sndbuf(int fd, size_t l) {
- assert(fd >= 0);
+ int bufsz = (int) l;
+
+ pa_assert(fd >= 0);
-/* if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (void*)&l, sizeof(l)) < 0) { */
-/* pa_log("SO_SNDBUF: %s", strerror(errno)); */
-/* return -1; */
-/* } */
+ if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (const void *) &bufsz, sizeof(bufsz)) < 0) {
+ pa_log_warn("SO_SNDBUF: %s", pa_cstrerror(errno));
+ return -1;
+ }
return 0;
}
struct sockaddr_un sa;
int fd = -1, ret = -1;
- if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
+ pa_assert(fn);
+
+ if ((fd = pa_socket_cloexec(PF_UNIX, SOCK_STREAM, 0)) < 0) {
pa_log("socket(): %s", pa_cstrerror(errno));
goto finish;
}
finish:
if (fd >= 0)
- close(fd);
+ pa_close(fd);
return ret;
}
int pa_unix_socket_remove_stale(const char *fn) {
int r;
+ pa_assert(fn);
+
if ((r = pa_unix_socket_is_stale(fn)) < 0)
return errno != ENOENT ? -1 : 0;
}
#endif /* HAVE_SYS_UN_H */
+
+bool pa_socket_address_is_local(const struct sockaddr *sa) {
+ pa_assert(sa);
+
+ switch (sa->sa_family) {
+ case AF_UNIX:
+ return true;
+
+ case AF_INET:
+ return ((const struct sockaddr_in*) sa)->sin_addr.s_addr == INADDR_LOOPBACK;
+
+#ifdef HAVE_IPV6
+ case AF_INET6:
+ return memcmp(&((const struct sockaddr_in6*) sa)->sin6_addr, &in6addr_loopback, sizeof(struct in6_addr)) == 0;
+#endif
+
+ default:
+ return false;
+ }
+}
+
+bool pa_socket_is_local(int fd) {
+
+ union {
+ struct sockaddr_storage storage;
+ struct sockaddr sa;
+ struct sockaddr_in in;
+#ifdef HAVE_IPV6
+ struct sockaddr_in6 in6;
+#endif
+#ifdef HAVE_SYS_UN_H
+ struct sockaddr_un un;
+#endif
+ } sa;
+ socklen_t sa_len = sizeof(sa);
+
+ if (getpeername(fd, &sa.sa, &sa_len) < 0)
+ return false;
+
+ return pa_socket_address_is_local(&sa.sa);
+}