diff options
Diffstat (limited to 'mksock.c')
-rw-r--r-- | mksock.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/mksock.c b/mksock.c new file mode 100644 index 0000000..f274608 --- /dev/null +++ b/mksock.c @@ -0,0 +1,63 @@ +/* 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 <errno.h> + +#include "syslogd.h" + +int mksock(const char *path) +{ + struct sockaddr_un un; + const char *errmsg; + int fd; + + fd = socket(AF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC, 0); + if (fd < 0) { + perror("socket"); + return -1; + } + + memset(&un, 0, sizeof(un)); + un.sun_family = AF_UNIX; + + strcpy(un.sun_path, path); + + if (bind(fd, (struct sockaddr *)&un, sizeof(un))) { + errmsg ="bind"; + goto fail_errno; + } + + if (chmod(path, 0777)) { + errmsg = "chmod"; + goto fail_errno; + } + + return fd; +fail_errno: + fprintf(stderr, "%s: %s: %s\n", path, errmsg, strerror(errno)); + close(fd); + unlink(path); + return -1; +} |