Adding upstream version 255.4.upstream/255.4

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

1 files changed, 139 insertions, 0 deletions

diff --git a/src/libsystemd-network/dhcp-server-internal.h b/src/libsystemd-network/dhcp-server-internal.h
new file mode 100644
index 0000000..da9e56b
--- /dev/null
+++ b/src/libsystemd-network/dhcp-server-internal.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+/***
+  Copyright © 2013 Intel Corporation. All rights reserved.
+***/
+
+#include "sd-dhcp-server.h"
+#include "sd-event.h"
+
+#include "dhcp-option.h"
+#include "network-common.h"
+#include "ordered-set.h"
+#include "time-util.h"
+
+typedef enum DHCPRawOption {
+        DHCP_RAW_OPTION_DATA_UINT8,
+        DHCP_RAW_OPTION_DATA_UINT16,
+        DHCP_RAW_OPTION_DATA_UINT32,
+        DHCP_RAW_OPTION_DATA_STRING,
+        DHCP_RAW_OPTION_DATA_IPV4ADDRESS,
+        DHCP_RAW_OPTION_DATA_IPV6ADDRESS,
+        _DHCP_RAW_OPTION_DATA_MAX,
+        _DHCP_RAW_OPTION_DATA_INVALID,
+} DHCPRawOption;
+
+typedef struct DHCPClientId {
+        size_t length;
+        uint8_t *data;
+} DHCPClientId;
+
+typedef struct DHCPLease {
+        sd_dhcp_server *server;
+
+        DHCPClientId client_id;
+
+        uint8_t htype; /* e.g. ARPHRD_ETHER */
+        uint8_t hlen;  /* e.g. ETH_ALEN */
+        be32_t address;
+        be32_t gateway;
+        uint8_t chaddr[16];
+        usec_t expiration;
+        char *hostname;
+} DHCPLease;
+
+struct sd_dhcp_server {
+        unsigned n_ref;
+
+        sd_event *event;
+        int event_priority;
+        sd_event_source *receive_message;
+        sd_event_source *receive_broadcast;
+        int fd;
+        int fd_raw;
+        int fd_broadcast;
+
+        int ifindex;
+        char *ifname;
+        bool bind_to_interface;
+        be32_t address;
+        be32_t netmask;
+        be32_t subnet;
+        uint32_t pool_offset;
+        uint32_t pool_size;
+
+        char *timezone;
+
+        DHCPServerData servers[_SD_DHCP_LEASE_SERVER_TYPE_MAX];
+        struct in_addr boot_server_address;
+        char *boot_server_name;
+        char *boot_filename;
+
+        OrderedSet *extra_options;
+        OrderedSet *vendor_options;
+
+        bool emit_router;
+        struct in_addr router_address;
+
+        Hashmap *bound_leases_by_client_id;
+        Hashmap *bound_leases_by_address;
+        Hashmap *static_leases_by_client_id;
+        Hashmap *static_leases_by_address;
+
+        usec_t max_lease_time;
+        usec_t default_lease_time;
+        usec_t ipv6_only_preferred_usec;
+        bool rapid_commit;
+
+        sd_dhcp_server_callback_t callback;
+        void *callback_userdata;
+
+        struct in_addr relay_target;
+
+        char *agent_circuit_id;
+        char *agent_remote_id;
+};
+
+typedef struct DHCPRequest {
+        /* received message */
+        DHCPMessage *message;
+
+        /* options */
+        DHCPClientId client_id;
+        size_t max_optlen;
+        be32_t server_id;
+        be32_t requested_ip;
+        usec_t lifetime;
+        const uint8_t *agent_info_option;
+        char *hostname;
+        const uint8_t *parameter_request_list;
+        size_t parameter_request_list_len;
+        bool rapid_commit;
+        triple_timestamp timestamp;
+} DHCPRequest;
+
+extern const struct hash_ops dhcp_lease_hash_ops;
+
+int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message,
+                               size_t length, const triple_timestamp *timestamp);
+int dhcp_server_send_packet(sd_dhcp_server *server,
+                            DHCPRequest *req, DHCPPacket *packet,
+                            int type, size_t optoffset);
+
+void client_id_hash_func(const DHCPClientId *p, struct siphash *state);
+int client_id_compare_func(const DHCPClientId *a, const DHCPClientId *b);
+
+DHCPLease *dhcp_lease_free(DHCPLease *lease);
+DEFINE_TRIVIAL_CLEANUP_FUNC(DHCPLease*, dhcp_lease_free);
+
+#define log_dhcp_server_errno(server, error, fmt, ...)          \
+        log_interface_prefix_full_errno(                        \
+                "DHCPv4 server: ",                              \
+                sd_dhcp_server, server,                         \
+                error, fmt, ##__VA_ARGS__)
+#define log_dhcp_server(server, fmt, ...)                       \
+        log_interface_prefix_full_errno_zerook(                 \
+                "DHCPv4 server: ",                              \
+                sd_dhcp_server, server,                         \
+                0, fmt, ##__VA_ARGS__)