mirror of
https://github.com/pygos/init.git
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82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* Copyright (C) 2018 - David Oberhollenzer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include "telinit.h"
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#include "init.h"
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int mksock(void)
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{
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struct sockaddr_un un;
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int fd, flags;
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fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (fd < 0) {
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perror("socket");
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return -1;
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}
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flags = fcntl(fd, F_GETFD);
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if (flags == -1) {
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perror("socket F_GETFD");
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goto fail;
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}
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if (fcntl(fd, F_SETFD, flags | O_CLOEXEC)) {
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perror("socket F_SETFD");
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goto fail;
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}
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memset(&un, 0, sizeof(un));
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un.sun_family = AF_UNIX;
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strcpy(un.sun_path, INITSOCK);
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if (bind(fd, (struct sockaddr *)&un, sizeof(un))) {
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perror("bind: " INITSOCK);
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goto fail;
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}
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if (chown(INITSOCK, 0, 0)) {
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perror("chown: " INITSOCK);
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goto fail;
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}
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if (chmod(INITSOCK, 0770)) {
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perror("chmod: " INITSOCK);
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goto fail;
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}
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if (listen(fd, 10)) {
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perror("listen");
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goto fail;
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}
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return fd;
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fail:
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close(fd);
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unlink(INITSOCK);
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return -1;
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}
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