mirror of
https://github.com/pygos/init.git
synced 2024-11-05 04:07:10 +01:00
82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later */
|
|
/*
|
|
* Copyright (C) 2018 - David Oberhollenzer
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/un.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
|
|
#include "telinit.h"
|
|
#include "init.h"
|
|
|
|
int mksock(void)
|
|
{
|
|
struct sockaddr_un un;
|
|
int fd, flags;
|
|
|
|
fd = socket(AF_UNIX, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
|
|
flags = fcntl(fd, F_GETFD);
|
|
if (flags == -1) {
|
|
perror("socket F_GETFD");
|
|
goto fail;
|
|
}
|
|
|
|
if (fcntl(fd, F_SETFD, flags | O_CLOEXEC)) {
|
|
perror("socket F_SETFD");
|
|
goto fail;
|
|
}
|
|
|
|
memset(&un, 0, sizeof(un));
|
|
un.sun_family = AF_UNIX;
|
|
|
|
strcpy(un.sun_path, INITSOCK);
|
|
|
|
if (bind(fd, (struct sockaddr *)&un, sizeof(un))) {
|
|
perror("bind: " INITSOCK);
|
|
goto fail;
|
|
}
|
|
|
|
if (chown(INITSOCK, 0, 0)) {
|
|
perror("chown: " INITSOCK);
|
|
goto fail;
|
|
}
|
|
|
|
if (chmod(INITSOCK, 0770)) {
|
|
perror("chmod: " INITSOCK);
|
|
goto fail;
|
|
}
|
|
|
|
if (listen(fd, 10)) {
|
|
perror("listen");
|
|
goto fail;
|
|
}
|
|
|
|
return fd;
|
|
fail:
|
|
close(fd);
|
|
unlink(INITSOCK);
|
|
return -1;
|
|
}
|