Adding upstream version 255.4.upstream/255.4

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

1 files changed, 46 insertions, 0 deletions

diff --git a/src/libsystemd-network/dhcp-option.h b/src/libsystemd-network/dhcp-option.h
new file mode 100644
index 0000000..425f5b5
--- /dev/null
+++ b/src/libsystemd-network/dhcp-option.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdint.h>
+
+#include "sd-dhcp-option.h"
+
+#include "dhcp-protocol.h"
+#include "hash-funcs.h"
+
+struct sd_dhcp_option {
+        unsigned n_ref;
+
+        uint8_t option;
+        void *data;
+        size_t length;
+};
+
+extern const struct hash_ops dhcp_option_hash_ops;
+
+typedef struct DHCPServerData {
+        struct in_addr *addr;
+        size_t size;
+} DHCPServerData;
+
+int dhcp_option_append(
+                DHCPMessage *message,
+                size_t size,
+                size_t *offset,
+                uint8_t overload,
+                uint8_t code,
+                size_t optlen,
+                const void *optval);
+int dhcp_option_find_option(uint8_t *options, size_t length, uint8_t wanted_code, size_t *ret_offset);
+int dhcp_option_remove_option(uint8_t *options, size_t buflen, uint8_t option_code);
+
+typedef int (*dhcp_option_callback_t)(uint8_t code, uint8_t len, const void *option, void *userdata);
+
+int dhcp_option_parse(
+                DHCPMessage *message,
+                size_t len,
+                dhcp_option_callback_t cb,
+                void *userdata,
+                char **ret_error_message);
+
+int dhcp_option_parse_string(const uint8_t *option, size_t len, char **ret);