aboutsummaryrefslogtreecommitdiff
path: root/lib/init/init_socket_open.c
diff options
context:
space:
mode:
authorDavid Oberhollenzer <goliath@infraroot.at>2019-03-15 11:23:40 +0100
committerDavid Oberhollenzer <goliath@infraroot.at>2019-03-18 14:15:58 +0100
commitc78bbd2f731ae44c7d2588b9bb3d19005f192fc6 (patch)
treef71e53964f09eba1a6f7c98cccdf21c78ff19119 /lib/init/init_socket_open.c
parentc544fcc7a30d9a934b0f8d098e000259e8b9ed62 (diff)
Add helpers for initd socket
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
Diffstat (limited to 'lib/init/init_socket_open.c')
-rw-r--r--lib/init/init_socket_open.c46
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;
+}