Adding upstream version 252.22.upstream/252.22

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

1 files changed, 89 insertions, 0 deletions

diff --git a/src/libsystemd-network/dhcp-internal.h b/src/libsystemd-network/dhcp-internal.h
new file mode 100644
index 0000000..a311d1d
--- /dev/null
+++ b/src/libsystemd-network/dhcp-internal.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+/***
+  Copyright © 2013 Intel Corporation. All rights reserved.
+***/
+
+#include <linux/if_packet.h>
+#include <net/ethernet.h>
+#include <stdint.h>
+
+#include "sd-dhcp-client.h"
+
+#include "dhcp-protocol.h"
+#include "ether-addr-util.h"
+#include "network-common.h"
+#include "socket-util.h"
+
+typedef struct sd_dhcp_option {
+        unsigned n_ref;
+
+        uint8_t option;
+        void *data;
+        size_t length;
+} sd_dhcp_option;
+
+typedef struct DHCPServerData {
+        struct in_addr *addr;
+        size_t size;
+} DHCPServerData;
+
+extern const struct hash_ops dhcp_option_hash_ops;
+
+typedef struct sd_dhcp_client sd_dhcp_client;
+
+int dhcp_network_bind_raw_socket(
+                int ifindex,
+                union sockaddr_union *link,
+                uint32_t xid,
+                const struct hw_addr_data *hw_addr,
+                const struct hw_addr_data *bcast_addr,
+                uint16_t arp_type,
+                uint16_t port);
+int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int ip_service_type);
+int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
+                                 const void *packet, size_t len);
+int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port,
+                                 const void *packet, size_t len);
+
+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 **error_message);
+
+int dhcp_message_init(DHCPMessage *message, uint8_t op, uint32_t xid,
+                      uint8_t type, uint16_t arp_type, uint8_t hlen, const uint8_t *chaddr,
+                      size_t optlen, size_t *optoffset);
+
+uint16_t dhcp_packet_checksum(uint8_t *buf, size_t len);
+
+void dhcp_packet_append_ip_headers(DHCPPacket *packet, be32_t source_addr,
+                                   uint16_t source, be32_t destination_addr,
+                                   uint16_t destination, uint16_t len, int ip_service_type);
+
+int dhcp_packet_verify_headers(DHCPPacket *packet, size_t len, bool checksum, uint16_t port);
+
+void dhcp_client_set_test_mode(sd_dhcp_client *client, bool test_mode);
+
+/* If we are invoking callbacks of a dhcp-client, ensure unreffing the
+ * client from the callback doesn't destroy the object we are working
+ * on */
+#define DHCP_CLIENT_DONT_DESTROY(client) \
+        _cleanup_(sd_dhcp_client_unrefp) _unused_ sd_dhcp_client *_dont_destroy_##client = sd_dhcp_client_ref(client)
+
+#define log_dhcp_client_errno(client, error, fmt, ...)          \
+        log_interface_prefix_full_errno(                        \
+                "DHCPv4 client: ",                              \
+                sd_dhcp_client, client,                         \
+                error, fmt, ##__VA_ARGS__)
+#define log_dhcp_client(client, fmt, ...)                       \
+        log_interface_prefix_full_errno_zerook(                 \
+                "DHCPv4 client: ",                              \
+                sd_dhcp_client, client,                         \
+                0, fmt, ##__VA_ARGS__)