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#ifndef __DHCPV6_H
#define __DHCPV6_H
#include <stdint.h>
#include <netinet/in.h>
#include "list.h"
#define __packed __attribute__((packed))
#define DHCPV6_CLIENT_PORT 546
#define DHCPV6_SERV_PORT 547
#define D6_OPTION_CLIENTID 1
#define D6_OPTION_SERVERID 2
#define D6_OPTION_IA_NA 3
#define D6_OPTION_IA_TA 4
#define D6_OPTION_IAADDR 5
#define D6_OPTION_ORO 6
#define D6_OPTION_PREFERENCE 7
#define D6_OPTION_ELAPSED_TIME 8
#define D6_OPTION_RELAY_MSG 9
#define D6_OPTION_AUTH 11
#define D6_OPTION_UNICAST 12
#define D6_OPTION_STATUS_CODE 13
#define D6_OPTION_RAPID_COMMIT 14
#define D6_OPTION_USER_CLASS 15
#define D6_OPTION_VENDOR_CLASS 16
#define D6_OPTION_VENDOR_SPECIFIC 17
#define D6_OPTION_INTERFACE_ID 18
#define D6_OPTION_RECONF_MSG 19
#define D6_OPTION_RECONF_ACCEPT 20
#define D6_OPTION_DNS_SERVERS 23
#define D6_OPTION_DOMAIN_LIST 24
#define D6_OPTION_IA_PD 25
#define D6_OPTION_IAPREFIX 26
#define D6_OPTION_IAPREFIX 26
#define D6_SOLICIT 1
#define D6_ADVERTISE 2
#define D6_REQUEST 3
#define D6_CONFIRM 4
#define D6_RENEW 5
#define D6_REBIND 6
#define D6_REPLY 7
#define D6_RELEASE 8
#define D6_DECLINE 9
#define D6_RECONFIGURE 10
#define D6_INFORMATION_REQUEST 11
#define D6_RELAY_FORW 12
#define D6_RELAY_REPL 13
#define D6_STATUS_Success 0
#define D6_STATUS_UnspecFail 1
#define D6_STATUS_NoAddrsAvail 2
#define D6_STATUS_NoBinding 3
#define D6_STATUS_NotOnLink 4
#define D6_STATUS_UseMulticast 5
#define D6_STATUS_NoPrefixAvail 6
#define DUID_LLT 1
#define DUID_EN 2
#define DUID_LL 3
struct dhcpv6_opt_hdr {
uint16_t code;
uint16_t len;
uint8_t data[0];
} __packed;
struct dhcpv6_msg_hdr {
uint32_t type:8;
uint32_t trans_id:24;
uint8_t data[0];
} __packed;
struct dhcpv6_relay_hdr {
uint8_t type;
uint8_t hop_cnt;
struct in6_addr link_addr;
struct in6_addr peer_addr;
uint8_t data[0];
} __packed;
struct dhcpv6_duid {
uint16_t type;
union {
struct {
uint16_t htype;
uint32_t time;
uint8_t addr[0];
} __packed llt;
struct {
uint32_t enterprise;
uint8_t id[0];
} __packed en;
struct {
uint16_t htype;
uint8_t addr[0];
} __packed ll;
uint8_t raw[0];
} u;
} __packed;
struct dhcpv6_opt_clientid {
struct dhcpv6_opt_hdr hdr;
struct dhcpv6_duid duid;
} __packed;
struct dhcpv6_opt_serverid {
struct dhcpv6_opt_hdr hdr;
struct dhcpv6_duid duid;
} __packed;
struct dhcpv6_opt_ia_na {
struct dhcpv6_opt_hdr hdr;
uint32_t iaid;
uint32_t T1;
uint32_t T2;
} __packed;
struct dhcpv6_opt_ia_ta {
struct dhcpv6_opt_hdr hdr;
uint32_t iaid;
} __packed;
struct dhcpv6_opt_ia_addr {
struct dhcpv6_opt_hdr hdr;
struct in6_addr addr;
uint32_t pref_lifetime;
uint32_t valid_lifetime;
} __packed;
struct dhcpv6_opt_oro {
struct dhcpv6_opt_hdr hdr;
uint16_t opt[0];
} __packed;
struct dhcpv6_opt_status {
struct dhcpv6_opt_hdr hdr;
uint16_t code;
char msg[0];
} __packed;
struct dhcpv6_opt_ia_prefix {
struct dhcpv6_opt_hdr hdr;
uint32_t pref_lifetime;
uint32_t valid_lifetime;
uint8_t prefix_len;
struct in6_addr prefix;
} __packed;
struct dhcpv6_option {
struct list_head entry;
struct dhcpv6_opt_hdr *hdr;
struct dhcpv6_option *parent;
struct list_head opt_list;
};
struct dhcpv6_pd;
struct dhcpv6_relay {
struct list_head entry;
int hop_cnt;
struct in6_addr link_addr;
struct in6_addr peer_addr;
void *hdr;
};
struct dhcpv6_packet {
struct ap_session *ses;
struct dhcpv6_pd *pd;
struct sockaddr_in6 addr;
struct dhcpv6_msg_hdr *hdr;
struct dhcpv6_opt_clientid *clientid;
struct dhcpv6_opt_serverid *serverid;
struct list_head relay_list;
unsigned int rapid_commit:1;
struct list_head opt_list;
void *endptr;
};
extern int conf_verbose;
struct dhcpv6_packet *dhcpv6_packet_parse(const void *buf, size_t size);
void dhcpv6_packet_free(struct dhcpv6_packet *pkt);
void dhcpv6_packet_print(struct dhcpv6_packet *pkt, void (*print)(const char *fmt, ...));
struct dhcpv6_packet *dhcpv6_packet_alloc_reply(struct dhcpv6_packet *req, int type);
struct dhcpv6_option *dhcpv6_option_alloc(struct dhcpv6_packet *pkt, int code, int len);
struct dhcpv6_option *dhcpv6_nested_option_alloc(struct dhcpv6_packet *pkt, struct dhcpv6_option *opt, int code, int len);
void dhcpv6_fill_relay_info(struct dhcpv6_packet *pkt);
#endif
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