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#ifndef __RADIUS_H
#define __RADIUS_H
#include <stdint.h>
#include <netinet/in.h>
#include <pthread.h>
#include "triton.h"
#include "ppp.h"
#include "ipdb.h"
#define REQ_LENGTH_MAX 4096
#define ATTR_TYPE_INTEGER 0
#define ATTR_TYPE_STRING 1
#define ATTR_TYPE_OCTETS 2
#define ATTR_TYPE_DATE 3
#define ATTR_TYPE_IPADDR 4
#define CODE_ACCESS_REQUEST 1
#define CODE_ACCESS_ACCEPT 2
#define CODE_ACCESS_REJECT 3
#define CODE_ACCESS_CHALLENGE 11
#define CODE_ACCOUNTING_REQUEST 4
#define CODE_ACCOUNTING_RESPONSE 5
#define CODE_DISCONNECT_REQUEST 40
#define CODE_DISCONNECT_ACK 41
#define CODE_DISCONNECT_NAK 42
#define CODE_COA_REQUEST 43
#define CODE_COA_ACK 44
#define CODE_COA_NAK 45
struct radius_pd_t
{
struct list_head entry;
struct ppp_pd_t pd;
struct ppp_t *ppp;
pthread_mutex_t lock;
struct rad_req_t *acct_req;
struct triton_timer_t acct_interim_timer;
struct rad_packet_t *dm_coa_req;
struct sockaddr_in dm_coa_addr;
struct ipdb_item_t ipaddr;
int acct_interim_interval;
};
typedef union
{
int integer;
char *string;
uint8_t *octets;
time_t date;
in_addr_t ipaddr;
} rad_value_t;
struct rad_dict_t
{
struct list_head items;
struct list_head vendors;
};
struct rad_dict_vendor_t
{
struct list_head entry;
int id;
const char *name;
struct list_head items;
};
struct rad_dict_value_t
{
struct list_head entry;
rad_value_t val;
const char *name;
};
struct rad_dict_attr_t
{
struct list_head entry;
const char *name;
int id;
int type;
struct list_head values;
};
struct rad_attr_t
{
struct list_head entry;
struct rad_dict_attr_t *attr;
struct rad_dict_vendor_t *vendor;
//struct rad_dict_value_t *val;
rad_value_t val;
int len;
};
struct rad_packet_t
{
int code;
int id;
int len;
struct list_head attrs;
void *buf;
};
struct rad_req_t
{
struct triton_context_t ctx;
struct triton_md_handler_t hnd;
struct triton_timer_t timeout;
uint8_t RA[16];
struct rad_packet_t *pack;
struct rad_packet_t *reply;
const char *server_name;
int server_port;
struct radius_pd_t *rpd;
};
extern int conf_max_try;
extern int conf_timeout;
extern int conf_verbose;
extern char *conf_nas_identifier;
extern char *conf_nas_ip_address;
extern char *conf_gw_ip_address;
extern char *conf_auth_server;
extern char *conf_auth_secret;
extern int conf_auth_server_port;
extern char *conf_acct_server;
extern char *conf_acct_secret;
extern int conf_acct_server_port;
extern char *conf_dm_coa_secret;
int rad_check_nas_pack(struct rad_packet_t *pack);
struct radius_pd_t *rad_find_session(const char *sessionid, const char *username, int port_id, in_addr_t ipaddr);
struct radius_pd_t *rad_find_session_pack(struct rad_packet_t *pack);
int rad_dict_load(const char *fname);
void rad_dict_free(struct rad_dict_t *dict);
struct rad_dict_attr_t *rad_dict_find_attr(const char *name);
struct rad_dict_attr_t *rad_dict_find_attr_id(struct rad_dict_vendor_t *vendor, int type);
struct rad_dict_value_t *rad_dict_find_val_name(struct rad_dict_attr_t *, const char *name);
struct rad_dict_value_t *rad_dict_find_val(struct rad_dict_attr_t *, rad_value_t val);
struct rad_dict_vendor_t *rad_dict_find_vendor_name(const char *name);
struct rad_dict_vendor_t *rad_dict_find_vendor_id(int id);
struct rad_dict_attr_t *rad_dict_find_vendor_attr(struct rad_dict_vendor_t *vendor, const char *name);
struct rad_req_t *rad_req_alloc(struct radius_pd_t *rpd, int code, const char *username);
int rad_req_acct_fill(struct rad_req_t *);
void rad_req_free(struct rad_req_t *);
int rad_req_send(struct rad_req_t *);
int rad_req_wait(struct rad_req_t *, int);
struct rad_attr_t *rad_packet_find_attr(struct rad_packet_t *pack, const char *name);
int rad_packet_add_int(struct rad_packet_t *pack, const char *name, int val);
int rad_packet_add_val(struct rad_packet_t *pack, const char *name, const char *val);
int rad_packet_add_str(struct rad_packet_t *pack, const char *name, const char *val, int len);
int rad_packet_add_octets(struct rad_packet_t *pack, const char *name, uint8_t *val, int len);
int rad_packet_change_int(struct rad_packet_t *pack, const char *name, int val);
int rad_packet_change_val(struct rad_packet_t *pack, const char *name, const char *val);
int rad_packet_add_vendor_octets(struct rad_packet_t *pack, const char *vendor_name, const char *name, const uint8_t *val, int len);
struct rad_attr_t *rad_packet_find_vendor_attr(struct rad_packet_t *pack, const char *vendor_name, const char *name);
struct rad_packet_t *rad_packet_alloc(int code);
int rad_packet_build(struct rad_packet_t *pack, uint8_t *RA);
struct rad_packet_t *rad_packet_recv(int fd, struct sockaddr_in *addr);
void rad_packet_free(struct rad_packet_t *);
void rad_packet_print(struct rad_packet_t *pack, void (*print)(const char *fmt, ...));
int rad_packet_send(struct rad_packet_t *pck, int fd, struct sockaddr_in *addr);
struct radius_pd_t *find_pd(struct ppp_t *ppp);
void rad_proc_attrs(struct rad_req_t *req);
int rad_auth_pap(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_auth_chap_md5(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_auth_mschap_v1(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_auth_mschap_v2(struct radius_pd_t *rpd, const char *username, va_list args);
int rad_acct_start(struct radius_pd_t *rpd);
void rad_acct_stop(struct radius_pd_t *rpd);
#endif
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