1 files changed, 135 insertions, 0 deletions
diff --git a/src/network/networkd-address.h b/src/network/networkd-address.h
new file mode 100644
index 0000000..89b9621
--- /dev/null
+++ b/src/network/networkd-address.h
@@ -0,0 +1,135 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "sd-ipv4acd.h"
+
+#include "conf-parser.h"
+#include "in-addr-util.h"
+#include "networkd-link.h"
+#include "networkd-util.h"
+#include "time-util.h"
+
+typedef struct Address Address;
+typedef struct Manager Manager;
+typedef struct Network Network;
+typedef struct Request Request;
+typedef int (*address_ready_callback_t)(Address *address);
+typedef int (*address_netlink_handler_t)(
+                sd_netlink *rtnl,
+                sd_netlink_message *m,
+                Request *req,
+                Link *link,
+                Address *address);
+
+struct Address {
+        Link *link;
+        Network *network;
+        ConfigSection *section;
+        NetworkConfigSource source;
+        NetworkConfigState state;
+        union in_addr_union provider; /* DHCP server or router address */
+
+        int family;
+        unsigned char prefixlen;
+        unsigned char scope;
+        uint32_t flags;
+        uint32_t route_metric; /* route metric for prefix route */
+        char *label, *netlabel;
+
+        int set_broadcast;
+        struct in_addr broadcast;
+
+        union in_addr_union in_addr;
+        union in_addr_union in_addr_peer;
+
+        /* These are absolute points in time, and NOT timespans/durations.
+         * Must be specified with clock_boottime_or_monotonic(). */
+        usec_t lifetime_valid_usec;
+        usec_t lifetime_preferred_usec;
+
+        bool scope_set:1;
+        bool ip_masquerade_done:1;
+
+        /* duplicate_address_detection is only used by static or IPv4 dynamic addresses.
+         * To control DAD for IPv6 dynamic addresses, set IFA_F_NODAD to flags. */
+        AddressFamily duplicate_address_detection;
+        sd_ipv4acd *acd;
+        bool acd_bound;
+
+        /* Called when address become ready */
+        address_ready_callback_t callback;
+};
+
+const char* format_lifetime(char *buf, size_t l, usec_t lifetime_usec) _warn_unused_result_;
+/* Note: the lifetime of the compound literal is the immediately surrounding block,
+ * see C11 §6.5.2.5, and
+ * https://stackoverflow.com/questions/34880638/compound-literal-lifetime-and-if-blocks */
+#define FORMAT_LIFETIME(lifetime) \
+        format_lifetime((char[FORMAT_TIMESPAN_MAX+STRLEN("for ")]){}, FORMAT_TIMESPAN_MAX+STRLEN("for "), lifetime)
+
+int address_flags_to_string_alloc(uint32_t flags, int family, char **ret);
+
+int address_new(Address **ret);
+Address* address_free(Address *address);
+int address_get(Link *link, const Address *in, Address **ret);
+int address_configure_handler_internal(sd_netlink *rtnl, sd_netlink_message *m, Link *link, const char *error_msg);
+int address_remove(Address *address);
+int address_remove_and_drop(Address *address);
+int address_dup(const Address *src, Address **ret);
+bool address_is_ready(const Address *a);
+void address_set_broadcast(Address *a, Link *link);
+
+DEFINE_SECTION_CLEANUP_FUNCTIONS(Address, address_free);
+
+int link_drop_managed_addresses(Link *link);
+int link_drop_foreign_addresses(Link *link);
+int link_drop_ipv6ll_addresses(Link *link);
+void link_foreignize_addresses(Link *link);
+bool link_address_is_dynamic(const Link *link, const Address *address);
+int link_get_address(Link *link, int family, const union in_addr_union *address, unsigned char prefixlen, Address **ret);
+static inline int link_get_ipv6_address(Link *link, const struct in6_addr *address, unsigned char prefixlen, Address **ret) {
+        assert(address);
+        return link_get_address(link, AF_INET6, &(union in_addr_union) { .in6 = *address }, prefixlen, ret);
+}
+static inline int link_get_ipv4_address(Link *link, const struct in_addr *address, unsigned char prefixlen, Address **ret) {
+        assert(address);
+        return link_get_address(link, AF_INET, &(union in_addr_union) { .in = *address }, prefixlen, ret);
+}
+int manager_get_address(Manager *manager, int family, const union in_addr_union *address, unsigned char prefixlen, Address **ret);
+bool manager_has_address(Manager *manager, int family, const union in_addr_union *address, bool check_ready);
+
+void address_cancel_request(Address *address);
+int link_request_address(
+                Link *link,
+                Address *address,
+                bool consume_object,
+                unsigned *message_counter,
+                address_netlink_handler_t netlink_handler,
+                Request **ret);
+int link_request_static_address(Link *link, Address *address, bool consume);
+int link_request_static_addresses(Link *link);
+
+int manager_rtnl_process_address(sd_netlink *nl, sd_netlink_message *message, Manager *m);
+
+int network_drop_invalid_addresses(Network *network);
+
+int address_compare_func(const Address *a1, const Address *a2);
+int address_equal(const Address *a1, const Address *a2);
+
+DEFINE_NETWORK_CONFIG_STATE_FUNCTIONS(Address, address);
+
+void link_mark_addresses(Link *link, NetworkConfigSource source);
+
+CONFIG_PARSER_PROTOTYPE(config_parse_address);
+CONFIG_PARSER_PROTOTYPE(config_parse_broadcast);
+CONFIG_PARSER_PROTOTYPE(config_parse_label);
+CONFIG_PARSER_PROTOTYPE(config_parse_lifetime);
+CONFIG_PARSER_PROTOTYPE(config_parse_address_flags);
+CONFIG_PARSER_PROTOTYPE(config_parse_address_scope);
+CONFIG_PARSER_PROTOTYPE(config_parse_address_route_metric);
+CONFIG_PARSER_PROTOTYPE(config_parse_duplicate_address_detection);
+CONFIG_PARSER_PROTOTYPE(config_parse_address_netlabel);