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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;
+}