1 files changed, 30 insertions, 0 deletions
diff --git a/src/libunixonacid/skaclient_server_ack.c b/src/libunixonacid/skaclient_server_ack.c
new file mode 100644
index 0000000..31ee9fe
--- /dev/null
+++ b/src/libunixonacid/skaclient_server_ack.c
@@ -0,0 +1,30 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/error.h>
+#include <skalibs/skaclient.h>
+#include <skalibs/unixmessage.h>
+#include <skalibs/webipc.h>
+
+int skaclient_server_ack (unixmessage_t const *clientmsg, unixmessage_sender_t *out, unixmessage_sender_t *asyncout, char const *before, unsigned int beforelen, char const *after, unsigned int afterlen)
+{
+  int fd[2] ;
+  unixmessage_t m = { .s = (char *)after, .len = afterlen, .fds = fd, .nfds = 1 } ;
+  static unsigned char const bits = 0xff ;
+  if (clientmsg->nfds
+   || clientmsg->len != beforelen
+   || byte_diff(clientmsg->s, beforelen, before)) return (errno = EPROTO, 0) ;
+  if (ipc_pair_nbcoe(fd) < 0) return 0 ;
+  unixmessage_sender_init(asyncout, fd[1]) ;
+  if (!unixmessage_put_and_close(out, &m, &bits))
+  {
+    int e = errno ;
+    fd_close(fd[1]) ;
+    fd_close(fd[0]) ;
+    errno = e ;
+    return 0 ;
+  }
+  return 1 ;
+}