summaryrefslogtreecommitdiffstats
path: root/src/libsystemd-network/dhcp6-internal.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/libsystemd-network/dhcp6-internal.h123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/libsystemd-network/dhcp6-internal.h b/src/libsystemd-network/dhcp6-internal.h
new file mode 100644
index 0000000..9a32b00
--- /dev/null
+++ b/src/libsystemd-network/dhcp6-internal.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+/***
+ Copyright © 2014-2015 Intel Corporation. All rights reserved.
+***/
+
+#include <net/ethernet.h>
+#include <netinet/in.h>
+
+#include "sd-event.h"
+
+#include "list.h"
+#include "hashmap.h"
+#include "macro.h"
+#include "sparse-endian.h"
+
+typedef struct sd_dhcp6_option {
+ unsigned n_ref;
+
+ uint32_t enterprise_identifier;
+ uint16_t option;
+ void *data;
+ size_t length;
+} sd_dhcp6_option;
+
+extern const struct hash_ops dhcp6_option_hash_ops;
+
+/* Common option header */
+typedef struct DHCP6Option {
+ be16_t code;
+ be16_t len;
+ uint8_t data[];
+} _packed_ DHCP6Option;
+
+/* Address option */
+struct iaaddr {
+ struct in6_addr address;
+ be32_t lifetime_preferred;
+ be32_t lifetime_valid;
+} _packed_;
+
+/* Prefix Delegation Prefix option */
+struct iapdprefix {
+ be32_t lifetime_preferred;
+ be32_t lifetime_valid;
+ uint8_t prefixlen;
+ struct in6_addr address;
+} _packed_;
+
+typedef struct DHCP6Address DHCP6Address;
+
+struct DHCP6Address {
+ LIST_FIELDS(DHCP6Address, addresses);
+
+ union {
+ struct iaaddr iaaddr;
+ struct iapdprefix iapdprefix;
+ };
+};
+
+/* Non-temporary Address option */
+struct ia_na {
+ be32_t id;
+ be32_t lifetime_t1;
+ be32_t lifetime_t2;
+} _packed_;
+
+/* Prefix Delegation option */
+struct ia_pd {
+ be32_t id;
+ be32_t lifetime_t1;
+ be32_t lifetime_t2;
+} _packed_;
+
+/* Temporary Address option */
+struct ia_ta {
+ be32_t id;
+} _packed_;
+
+struct DHCP6IA {
+ uint16_t type;
+ union {
+ struct ia_na ia_na;
+ struct ia_pd ia_pd;
+ struct ia_ta ia_ta;
+ };
+
+ LIST_HEAD(DHCP6Address, addresses);
+};
+
+typedef struct DHCP6IA DHCP6IA;
+
+#define log_dhcp6_client_errno(p, error, fmt, ...) log_internal(LOG_DEBUG, error, PROJECT_FILE, __LINE__, __func__, "DHCPv6 CLIENT: " fmt, ##__VA_ARGS__)
+#define log_dhcp6_client(p, fmt, ...) log_dhcp6_client_errno(p, 0, fmt, ##__VA_ARGS__)
+
+int dhcp6_option_append(uint8_t **buf, size_t *buflen, uint16_t code,
+ size_t optlen, const void *optval);
+int dhcp6_option_append_ia(uint8_t **buf, size_t *buflen, const DHCP6IA *ia);
+int dhcp6_option_append_pd(uint8_t *buf, size_t len, const DHCP6IA *pd, DHCP6Address *hint_pd_prefix);
+int dhcp6_option_append_fqdn(uint8_t **buf, size_t *buflen, const char *fqdn);
+int dhcp6_option_append_user_class(uint8_t **buf, size_t *buflen, char * const *user_class);
+int dhcp6_option_append_vendor_class(uint8_t **buf, size_t *buflen, char * const *user_class);
+int dhcp6_option_append_vendor_option(uint8_t **buf, size_t *buflen, OrderedHashmap *vendor_options);
+int dhcp6_option_parse(uint8_t **buf, size_t *buflen, uint16_t *optcode,
+ size_t *optlen, uint8_t **optvalue);
+int dhcp6_option_parse_status(DHCP6Option *option, size_t len);
+int dhcp6_option_parse_ia(DHCP6Option *iaoption, DHCP6IA *ia, uint16_t *ret_status_code);
+int dhcp6_option_parse_ip6addrs(uint8_t *optval, uint16_t optlen,
+ struct in6_addr **addrs, size_t count,
+ size_t *allocated);
+int dhcp6_option_parse_domainname_list(const uint8_t *optval, uint16_t optlen,
+ char ***str_arr);
+int dhcp6_option_parse_domainname(const uint8_t *optval, uint16_t optlen, char **str);
+
+int dhcp6_network_bind_udp_socket(int ifindex, struct in6_addr *address);
+int dhcp6_network_send_udp_socket(int s, struct in6_addr *address,
+ const void *packet, size_t len);
+
+const char *dhcp6_message_type_to_string(int s) _const_;
+int dhcp6_message_type_from_string(const char *s) _pure_;
+const char *dhcp6_message_status_to_string(int s) _const_;
+int dhcp6_message_status_from_string(const char *s) _pure_;