diff options
Diffstat (limited to 'accel-pptpd/ppp.h')
| -rw-r--r-- | accel-pptpd/ppp.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/accel-pptpd/ppp.h b/accel-pptpd/ppp.h new file mode 100644 index 00000000..e640229f --- /dev/null +++ b/accel-pptpd/ppp.h @@ -0,0 +1,125 @@ +#ifndef PPP_H +#define PPP_H + +#include <sys/types.h> +#include "ppp_fsm.h" + +/* + * Packet header = Code, id, length. + */ +#define PPP_HEADERLEN 4 +#define PPP_MTU 1500 + +/* + * Timeouts. + */ +#define DEFTIMEOUT 3 /* Timeout time in seconds */ +#define DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ +#define DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ +#define DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ + +/* + * 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 */ + + +struct ppp_t +{ + struct triton_md_handler_t *h; + int fd; + int chan_fd; + int unit_fd; + + int chan_idx; + int unit_idx; + + char *chan_name; + + int mtu,mru; + int require_mppe:1; + int require_pap:1; + int require_chap:1; + int require_mschap:1; + int require_mschap_v2:1; + + int allow_mppe:1; + int allow_pap:1; + int allow_chap:1; + int allow_mschap:1; + int allow_mschap_v2:1; + + int log:1; + + void *out_buf; + int out_buf_size; + int out_buf_pos; + + void *in_buf; + int in_buf_size; + + struct ppp_layer_t *lcp_layer; + struct list_head layers; +}; + +struct ppp_fsm_handler_t +{ + void (*reset_conf)(struct ppp_t *ppp); /* Reset our Configuration Information */ + int (*conf_length)(struct ppp_t *ppp); /* Length of our Configuration Information */ + void (*add_conf)(struct ppp_t *ppp, unsigned char *, int *); /* Add our Configuration Information */ + int (*ack_conf)(struct ppp_t *ppp, unsigned char *,int); /* ACK our Configuration Information */ + int (*nak_conf)(struct ppp_t *ppp, unsigned char *,int,int); /* NAK our Configuration Information */ + int (*rej_conf)(struct ppp_t *ppp, unsigned char *,int); /* Reject our Configuration Information */ + int (*req_conf)(struct ppp_t *ppp, unsigned char *,int *,int); /* Request peer's Configuration Information */ + void (*opened)(struct ppp_t *ppp); /* Called when fsm reaches OPENED state */ + void (*down)(struct ppp_t *ppp); /* Called when fsm leaves OPENED state */ + void (*starting)(struct ppp_t *ppp); /* Called when we want the lower layer */ + void (*finished)(struct ppp_t *ppp); /* Called when we don't want the lower layer */ + void (*protreject)(struct ppp_t *ppp,int); /* Called when Protocol-Reject received */ + void (*retransmit)(struct ppp_t *ppp); /* Retransmission is necessary */ + int (*extcode)(struct ppp_t *ppp, int, int, unsigned char *, int); /* Called when unknown code received */ + char *proto_name; /* String name for protocol (for messages) */ +}; + +struct ppp_hdr_t +{ + u_int8_t code; + u_int8_t id; + u_int16_t len; + u_int8_t data[100]; +}__attribute__((packed)); + +struct ppp_opt_t +{ + u_int8_t type; + u_int16_t len; + u_int8_t data[100]; +}__attribute__((packed)); + +struct ppp_t *alloc_ppp(void); +int establish_ppp(struct ppp_t *ppp); +int ppp_send(struct ppp_t *ppp, void *data, int size); + +void ppp_init(void); + +struct ppp_layer_t* ppp_lcp_init(struct ppp_t *ppp); + +#endif |