mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
105 lines
3 KiB
C
105 lines
3 KiB
C
/* PipeWire
|
|
*
|
|
* Copyright © 2018 Wim Taymans
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <sys/file.h>
|
|
|
|
#include <pipewire/pipewire.h>
|
|
|
|
static const char *
|
|
get_remote(const struct spa_dict *props)
|
|
{
|
|
const char *name = NULL;
|
|
|
|
if (props)
|
|
name = spa_dict_lookup(props, PW_KEY_REMOTE_NAME);
|
|
if (name == NULL)
|
|
name = getenv("PIPEWIRE_REMOTE");
|
|
if (name == NULL)
|
|
name = "pipewire-0";
|
|
return name;
|
|
}
|
|
|
|
int pw_protocol_native_connect_local_socket(struct pw_protocol_client *client,
|
|
const struct spa_dict *props,
|
|
void (*done_callback) (void *data, int res),
|
|
void *data)
|
|
{
|
|
struct sockaddr_un addr;
|
|
socklen_t size;
|
|
const char *runtime_dir, *name = NULL;
|
|
int res, name_size, fd;
|
|
|
|
if ((runtime_dir = getenv("XDG_RUNTIME_DIR")) == NULL) {
|
|
pw_log_error("connect failed: XDG_RUNTIME_DIR not set in the environment");
|
|
res = -EIO;
|
|
goto error;
|
|
}
|
|
|
|
name = get_remote(props);
|
|
|
|
if ((fd = socket(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0)) < 0) {
|
|
res = -errno;
|
|
goto error;
|
|
}
|
|
|
|
memset(&addr, 0, sizeof(addr));
|
|
addr.sun_family = AF_LOCAL;
|
|
name_size = snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s", runtime_dir, name) + 1;
|
|
|
|
if (name_size > (int) sizeof addr.sun_path) {
|
|
pw_log_error("socket path \"%s/%s\" plus null terminator exceeds 108 bytes",
|
|
runtime_dir, name);
|
|
res = -ENOSPC;
|
|
goto error_close;
|
|
};
|
|
|
|
size = offsetof(struct sockaddr_un, sun_path) + name_size;
|
|
|
|
if (connect(fd, (struct sockaddr *) &addr, size) < 0) {
|
|
res = -errno;
|
|
goto error_close;
|
|
}
|
|
|
|
res = pw_protocol_client_connect_fd(client, fd, true);
|
|
|
|
if (done_callback)
|
|
done_callback(data, res);
|
|
|
|
return res;
|
|
|
|
error_close:
|
|
close(fd);
|
|
error:
|
|
return res;
|
|
}
|