diff options
Diffstat (limited to 'accel-pppd/ppp/ppp.h')
| -rw-r--r-- | accel-pppd/ppp/ppp.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/accel-pppd/ppp/ppp.h b/accel-pppd/ppp/ppp.h new file mode 100644 index 0000000..c633135 --- /dev/null +++ b/accel-pppd/ppp/ppp.h @@ -0,0 +1,189 @@ +#ifndef PPP_H +#define PPP_H + +#include <sys/types.h> +#include <time.h> +#include <netinet/in.h> +#include <pthread.h> + +#include "triton.h" +#include "list.h" + +/* + * Packet header = Code, id, length. + */ +#define PPP_HEADERLEN 4 +#define PPP_MTU 1500 + + +/* + * Protocol field values. + */ +#define PPP_IP 0x21 /* Internet Protocol */ +#define PPP_AT 0x29 /* AppleTalk Protocol */ +#define PPP_IPX 0x2b /* IPX protocol */ +#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */ +#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */ +#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */ +#define PPP_COMP 0xfd /* compressed packet */ +#define PPP_IPCP 0x8021 /* IP Control Protocol */ +#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */ +#define PPP_IPXCP 0x802b /* IPX Control Protocol */ +#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */ +#define PPP_CCP 0x80fd /* Compression Control Protocol */ +#define PPP_ECP 0x8053 /* Encryption Control Protocol */ +#define PPP_LCP 0xc021 /* Link Control Protocol */ +#define PPP_PAP 0xc023 /* Password Authentication Protocol */ +#define PPP_LQR 0xc025 /* Link Quality Report protocol */ +#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */ +#define PPP_CBCP 0xc029 /* Callback Control Protocol */ +#define PPP_EAP 0xc227 /* Extensible Authentication Protocol */ + +#define PPP_SESSIONID_LEN 16 +#define PPP_IFNAME_LEN 10 + +#define PPP_STATE_STARTING 1 +#define PPP_STATE_ACTIVE 2 +#define PPP_STATE_FINISHING 3 + +#define TERM_USER_REQUEST 1 +#define TERM_SESSION_TIMEOUT 2 +#define TERM_ADMIN_RESET 3 +#define TERM_USER_ERROR 4 +#define TERM_NAS_ERROR 5 +#define TERM_NAS_REQUEST 6 +#define TERM_NAS_REBOOT 7 +#define TERM_AUTH_ERROR 8 + + +struct ppp_t; + +struct ppp_ctrl_t +{ + struct triton_context_t *ctx; + const char *name; + int max_mtu; + char *calling_station_id; + char *called_station_id; + void (*started)(struct ppp_t*); + void (*finished)(struct ppp_t*); +}; + +struct ppp_pd_t +{ + struct list_head entry; + void *key; +}; + +struct ppp_t +{ + struct list_head entry; + struct triton_md_handler_t chan_hnd; + struct triton_md_handler_t unit_hnd; + int fd; + int chan_fd; + int unit_fd; + + int chan_idx; + int unit_idx; + + int state; + char *chan_name; + char ifname[PPP_IFNAME_LEN]; + char sessionid[PPP_SESSIONID_LEN+1]; + time_t start_time; + time_t stop_time; + char *username; + in_addr_t ipaddr; + in_addr_t peer_ipaddr; + + struct ppp_ctrl_t *ctrl; + + int terminating:1; + int terminated:1; + int terminate_cause; + + void *chan_buf; + int chan_buf_size; + void *unit_buf; + int unit_buf_size; + + struct list_head chan_handlers; + struct list_head unit_handlers; + + struct list_head layers; + + struct ppp_lcp_t *lcp; + + struct list_head pd_list; +}; + +struct ppp_layer_t; +struct layer_node_t; +struct ppp_layer_data_t +{ + struct list_head entry; + struct ppp_layer_t *layer; + struct layer_node_t *node; + int starting:1; + int started:1; + int finished:1; +}; + +struct ppp_layer_t +{ + struct list_head entry; + struct ppp_layer_data_t *(*init)(struct ppp_t *); + int (*start)(struct ppp_layer_data_t*); + void (*finish)(struct ppp_layer_data_t*); + void (*free)(struct ppp_layer_data_t *); +}; + +struct ppp_handler_t +{ + struct list_head entry; + int proto; + void (*recv)(struct ppp_handler_t*); + void (*recv_proto_rej)(struct ppp_handler_t *h); +}; + +struct ppp_stat_t +{ + unsigned int active; + unsigned int starting; + unsigned int finishing; +}; + +struct ppp_t *alloc_ppp(void); +void ppp_init(struct ppp_t *ppp); +int establish_ppp(struct ppp_t *ppp); +int ppp_chan_send(struct ppp_t *ppp, void *data, int size); +int ppp_unit_send(struct ppp_t *ppp, void *data, int size); +void lcp_send_proto_rej(struct ppp_t *ppp, uint16_t proto); +void ppp_recv_proto_rej(struct ppp_t *ppp, uint16_t proto); + +struct ppp_fsm_t* ppp_lcp_init(struct ppp_t *ppp); +void ppp_layer_started(struct ppp_t *ppp,struct ppp_layer_data_t*); +void ppp_layer_finished(struct ppp_t *ppp,struct ppp_layer_data_t*); +void ppp_terminate(struct ppp_t *ppp, int hard, int cause); + +void ppp_register_chan_handler(struct ppp_t *, struct ppp_handler_t *); +void ppp_register_unit_handler(struct ppp_t * ,struct ppp_handler_t *); +void ppp_unregister_handler(struct ppp_t *, struct ppp_handler_t *); + +int ppp_register_layer(const char *name, struct ppp_layer_t *); +void ppp_unregister_layer(struct ppp_layer_t *); +struct ppp_layer_data_t *ppp_find_layer_data(struct ppp_t *, struct ppp_layer_t *); + +extern int ppp_shutdown; +void ppp_shutdown_soft(void); + +extern int conf_ppp_verbose; + +extern pthread_rwlock_t ppp_lock; +extern struct list_head ppp_list; + +extern struct ppp_stat_t ppp_stat; + +extern int sock_fd; // internet socket for ioctls +#endif |