Adding upstream version 3.3.4.upstream/3.3.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/contrib/proxyv2/proxyv2.h b/src/contrib/proxyv2/proxyv2.h
new file mode 100644
index 0000000..8fd8299
--- /dev/null
+++ b/src/contrib/proxyv2/proxyv2.h
@@ -0,0 +1,29 @@
+/*  Copyright (C) 2022 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stddef.h>
+#include <sys/socket.h>
+
+extern const size_t PROXYV2_HEADER_MAXLEN;
+
+int proxyv2_header_offset(void *base, size_t len_base);
+
+int proxyv2_addr_store(void *base, size_t len_base, struct sockaddr_storage *ss);
+
+int proxyv2_write_header(char *buf, size_t buflen, int socktype, const struct sockaddr *src,
+                         const struct sockaddr *dst);