diff options
Diffstat (limited to 'lib/init/init_socket_open.c')
-rw-r--r-- | lib/init/init_socket_open.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/init/init_socket_open.c b/lib/init/init_socket_open.c new file mode 100644 index 0000000..d0cf168 --- /dev/null +++ b/lib/init/init_socket_open.c @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: ISC */ +#include <sys/socket.h> +#include <sys/un.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <stdio.h> + +#include "initsock.h" + +int init_socket_open(const char *tmppath) +{ + struct sockaddr_un un; + 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, tmppath); + + if (bind(fd, (struct sockaddr *)&un, sizeof(un))) { + fprintf(stderr, "bind: %s: %s", tmppath, strerror(errno)); + close(fd); + unlink(tmppath); + return -1; + } + + memset(&un, 0, sizeof(un)); + un.sun_family = AF_UNIX; + + strcpy(un.sun_path, INIT_SOCK_PATH); + + if (connect(fd, (struct sockaddr *)&un, sizeof(un))) { + perror("connect: " INIT_SOCK_PATH); + close(fd); + return -1; + } + + return fd; +} |