summaryrefslogtreecommitdiffstats
path: root/src/libsystemd-network/dhcp6-option.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/libsystemd-network/dhcp6-option.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/libsystemd-network/dhcp6-option.h b/src/libsystemd-network/dhcp6-option.h
new file mode 100644
index 0000000..614b4f8
--- /dev/null
+++ b/src/libsystemd-network/dhcp6-option.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "sd-dhcp6-client.h"
+
+#include "hash-funcs.h"
+#include "list.h"
+#include "macro.h"
+#include "ordered-set.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;
+ };
+};
+
+struct ia_header {
+ be32_t id;
+ be32_t lifetime_t1;
+ be32_t lifetime_t2;
+} _packed_;
+
+typedef struct DHCP6IA {
+ uint16_t type;
+ struct ia_header header;
+
+ LIST_HEAD(DHCP6Address, addresses);
+} DHCP6IA;
+
+void dhcp6_ia_clear_addresses(DHCP6IA *ia);
+DHCP6IA *dhcp6_ia_free(DHCP6IA *ia);
+DEFINE_TRIVIAL_CLEANUP_FUNC(DHCP6IA*, dhcp6_ia_free);
+
+bool dhcp6_option_can_request(uint16_t option);
+
+int dhcp6_option_append(uint8_t **buf, size_t *offset, uint16_t code,
+ size_t optlen, const void *optval);
+int dhcp6_option_append_ia(uint8_t **buf, size_t *offset, const DHCP6IA *ia);
+int dhcp6_option_append_fqdn(uint8_t **buf, size_t *offset, const char *fqdn);
+int dhcp6_option_append_user_class(uint8_t **buf, size_t *offset, char * const *user_class);
+int dhcp6_option_append_vendor_class(uint8_t **buf, size_t *offset, char * const *vendor_class);
+int dhcp6_option_append_vendor_option(uint8_t **buf, size_t *offset, OrderedSet *vendor_options);
+
+int dhcp6_option_parse(
+ const uint8_t *buf,
+ size_t buflen,
+ size_t *offset,
+ uint16_t *ret_option_code,
+ size_t *ret_option_data_len,
+ const uint8_t **ret_option_data);
+int dhcp6_option_parse_status(const uint8_t *data, size_t data_len, char **ret_status_message);
+int dhcp6_option_parse_string(const uint8_t *data, size_t data_len, char **ret);
+int dhcp6_option_parse_ia(
+ sd_dhcp6_client *client,
+ be32_t iaid,
+ uint16_t option_code,
+ size_t option_data_len,
+ const uint8_t *option_data,
+ DHCP6IA **ret);
+int dhcp6_option_parse_addresses(
+ const uint8_t *optval,
+ size_t optlen,
+ struct in6_addr **addrs,
+ size_t *count);
+int dhcp6_option_parse_domainname_list(const uint8_t *optval, size_t optlen, char ***ret);
+int dhcp6_option_parse_domainname(const uint8_t *optval, size_t optlen, char **ret);