1 files changed, 36 insertions, 0 deletions
diff --git a/src/lib/unix-socket-create.c b/src/lib/unix-socket-create.c
new file mode 100644
index 0000000..3614df1
--- /dev/null
+++ b/src/lib/unix-socket-create.c
@@ -0,0 +1,36 @@
+/* Copyright (c) 2005-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "net.h"
+#include "unix-socket-create.h"
+
+#include <unistd.h>
+#include <sys/stat.h>
+
+int unix_socket_create(const char *path, int mode,
+		       uid_t uid, gid_t gid, int backlog)
+{
+	mode_t old_umask;
+	int fd;
+
+	old_umask = umask(0777 ^ mode);
+	fd = net_listen_unix_unlink_stale(path, backlog);
+	umask(old_umask);
+
+	if (fd < 0) {
+		i_error("net_listen_unix(%s) failed: %m", path);
+		return -1;
+	}
+
+	if (uid != (uid_t)-1 || gid != (gid_t)-1) {
+		/* set correct permissions */
+		if (chown(path, uid, gid) < 0) {
+			i_error("chown(%s, %s, %s) failed: %m",
+				path, dec2str(uid), dec2str(gid));
+			i_close_fd(&fd);
+			return -1;
+		}
+	}
+	return fd;
+}
+