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/* 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;
}
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