Files
ustreamer/src/http/unix.c
Devaev Maxim fcdb8f5d42 headers sanity
2019-09-17 19:45:56 +03:00

86 lines
3.0 KiB
C

/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# 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 "unix.h"
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <assert.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/stat.h>
#include <event2/http.h>
#include <event2/util.h>
#include "../tools.h"
#include "../logging.h"
evutil_socket_t evhttp_my_bind_unix(struct evhttp *http, const char *path, bool rm, mode_t mode) {
evutil_socket_t fd = -1;
struct sockaddr_un addr;
# define MAX_SUN_PATH (sizeof(addr.sun_path) - 1)
if (strlen(path) > MAX_SUN_PATH) {
LOG_ERROR("UNIX socket path is too long; max=%zu", MAX_SUN_PATH);
return -1;
}
MEMSET_ZERO(addr);
strncpy(addr.sun_path, path, MAX_SUN_PATH);
addr.sun_family = AF_UNIX;
# undef MAX_SUN_PATH
assert((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
assert(!evutil_make_socket_nonblocking(fd));
if (rm && unlink(path) < 0) {
if (errno != ENOENT) {
LOG_PERROR("Can't remove old UNIX socket '%s'", path);
return -1;
}
}
if (bind(fd, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0) {
LOG_PERROR("Can't bind HTTP to UNIX socket '%s'", path);
return -1;
}
if (mode && chmod(path, mode) < 0) {
LOG_PERROR("Can't set permissions %o to UNIX socket '%s'", mode, path);
return -1;
}
if (listen(fd, 128) < 0) {
LOG_PERROR("Can't listen UNIX socket '%s'", path);
return -1;
}
if (evhttp_accept_socket(http, fd) < 0) {
LOG_PERROR("Can't evhttp_accept_socket() UNIX socket '%s'", path);
return -1;
}
return fd;
}