summaryrefslogtreecommitdiffstats
path: root/src/network/networkd-address.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/network/networkd-address.h')
-rw-r--r--src/network/networkd-address.h135
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 ยง6.5.2.5, 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);