summaryrefslogtreecommitdiffstats
path: root/polyp/socket-server.c
diff options
context:
space:
mode:
Diffstat (limited to 'polyp/socket-server.c')
-rw-r--r--polyp/socket-server.c432
1 files changed, 0 insertions, 432 deletions
diff --git a/polyp/socket-server.c b/polyp/socket-server.c
deleted file mode 100644
index 262b32a7..00000000
--- a/polyp/socket-server.c
+++ /dev/null
@@ -1,432 +0,0 @@
-/* $Id$ */
-
-/***
- 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 <stdio.h>
-#include <unistd.h>
-
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_SYS_UN_H
-#include <sys/un.h>
-#ifndef SUN_LEN
-#define SUN_LEN(ptr) \
- ((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"
-#endif
-
-#include "winsock.h"
-
-#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)(pa_socket_server*s, pa_iochannel *io, void *userdata);
- 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;
-};
-
-static void callback(pa_mainloop_api *mainloop, pa_io_event *e, int fd, PA_GCC_UNUSED 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_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);
-}
-
-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;
-
- 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;
-}
-
-pa_socket_server* pa_socket_server_ref(pa_socket_server *s) {
- assert(s && s->ref >= 1);
- s->ref++;
- return s;
-}
-
-#ifdef HAVE_SYS_UN_H
-
-pa_socket_server* pa_socket_server_new_unix(pa_mainloop_api *m, const char *filename) {
- int fd = -1;
- struct sockaddr_un sa;
- pa_socket_server *s;
-
- assert(m && filename);
-
- if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
- pa_log(__FILE__": socket(): %s\n", strerror(errno));
- goto fail;
- }
-
- pa_fd_set_cloexec(fd, 1);
-
- 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_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;
-}
-
-#else /* HAVE_SYS_UN_H */
-
-pa_socket_server* pa_socket_server_new_unix(pa_mainloop_api *m, const char *filename) {
- return NULL;
-}
-
-#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 *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, (void*)&on, sizeof(on)) < 0)
- pa_log(__FILE__": setsockopt(): %s\n", strerror(errno));
-
- pa_socket_tcp_low_delay(fd);
-
- memset(&sa, 0, sizeof(sa));
- 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;
-}
-
-pa_socket_server* pa_socket_server_new_ipv6(pa_mainloop_api *m, const uint8_t address[16], uint16_t port) {
- 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, (void*)&on, sizeof(on)) < 0)
- pa_log(__FILE__": setsockopt(): %s\n", strerror(errno));
-
- pa_socket_tcp_low_delay(fd);
-
- memset(&sa, 0, sizeof(sa));
- 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(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(pa_socket_server *s) {
- assert(s && s->ref >= 1);
-
- if (!(--(s->ref)))
- 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);
-
- 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);
-
- switch (s->type) {
- case SOCKET_SERVER_IPV6: {
- struct sockaddr_in6 sa;
- socklen_t sa_len = sizeof(sa);
-
- if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 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 sa_len = sizeof(sa);
-
- if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 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;
- }
-}
generated by cgit (git 2.34.1) at 2024-05-05 14:46:01 +0000