diff options
Diffstat (limited to 'pptpd-1.3.3/pptpdefs.h')
| -rw-r--r-- | pptpd-1.3.3/pptpdefs.h | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/pptpd-1.3.3/pptpdefs.h b/pptpd-1.3.3/pptpdefs.h new file mode 100644 index 00000000..7ab40b35 --- /dev/null +++ b/pptpd-1.3.3/pptpdefs.h @@ -0,0 +1,327 @@ +/* + * pptpdefs.h + * + * PPTP structs and defines + * + * $Id: pptpdefs.h,v 1.3 2005/08/02 09:51:18 quozl Exp $ + */ + +#ifndef _PPTPD_PPTPDEFS_H +#define _PPTPD_PPTPDEFS_H + +/* define "portable" htons, etc, copied to make Ananian's gre stuff work. */ +#define hton8(x) (x) +#define ntoh8(x) (x) +#define hton16(x) htons(x) +#define ntoh16(x) ntohs(x) +#define hton32(x) htonl(x) +#define ntoh32(x) ntohl(x) + +#include <sys/types.h> + +/* PPTP ctrl message port */ +#define PPTP_PORT 1723 + +/* PPTP gre prototype */ +#define PPTP_PROTO 47 + +/* PPTP version */ +#define PPTP_VERSION 0x0100 +#define PPTP_FIRMWARE_VERSION 0x0001 + +/* Hostname and Vendor */ +#define PPTP_HOSTNAME "local" +#define PPTP_VENDOR "linux" + +#define MAX_HOSTNAME_SIZE 64 +#define MAX_VENDOR_SIZE 64 + +/* Magic Cookie */ +#define PPTP_MAGIC_COOKIE 0x1a2b3c4d + +/* Message types */ +#define PPTP_CTRL_MESSAGE 1 + +/* Maximum size of any PPTP control packet we will get */ +#define PPTP_MAX_CTRL_PCKT_SIZE 220 + +/* Control Connection Management */ +#define START_CTRL_CONN_RQST 1 +#define START_CTRL_CONN_RPLY 2 +#define STOP_CTRL_CONN_RQST 3 +#define STOP_CTRL_CONN_RPLY 4 +#define ECHO_RQST 5 +#define ECHO_RPLY 6 + +/* Call Management */ +#define OUT_CALL_RQST 7 +#define OUT_CALL_RPLY 8 +#define IN_CALL_RQST 9 +#define IN_CALL_RPLY 10 +#define IN_CALL_CONN 11 +#define CALL_CLR_RQST 12 +#define CALL_DISCONN_NTFY 13 + +/* Error Reporting */ +#define WAN_ERR_NTFY 14 + +/* PPP Session Control */ +#define SET_LINK_INFO 15 + +/* how long before a link is idle? (seconds) */ +#define IDLE_WAIT 60 + +/* how long should we wait for an echo reply? (seconds) */ +#define MAX_ECHO_WAIT 60 + +/* how long to wait for ppp to begin negotiation (seconds) */ +#define PPP_WAIT 30 + +#define RESERVED 0x0000 + +/* Start Control Connection Reply */ +#define ASYNCHRONOUS_FRAMING 0x00000001 +#define SYNCHRONOUS_FRAMING 0x00000002 +#define ANALOG_ACCESS 0x00000001 +#define DIGITAL_ACCESS 0x00000002 + +/* Our properties - we don't actually have any physical serial i/f's and only want + * one call per client! + */ +#define OUR_FRAMING 0x00000000 +#define OUR_BEARER 0x00000000 +#define MAX_CHANNELS 0x0001 + +/* Out Call Reply Defines */ +#define PCKT_RECV_WINDOW_SIZE 0x0001 +#define PCKT_PROCESS_DELAY 0x0000 +#define CHANNEL_ID 0x00000000 + +/* ERROR CODES */ +#define NO_ERROR 0x00 + +/* CALL_CLEAR RESULT CODES */ +#define LOST_CARRIER 0x01 +#define ADMIN_SHUTDOWN 0x03 +#define CALL_CLEAR_REQUEST 0x04 + +/* RESULT CODES */ +#define CONNECTED 0x01 +#define DISCONNECTED 0x01 +#define GENERAL_ERROR 0x02 /* also for ERROR CODES, CALL CLEAR */ +#define NO_CARRIER 0x03 +#define BUSY 0x04 +#define NO_DIAL_TONE 0x05 +#define TIME_OUT 0x06 +#define DO_NOT_ACCEPT 0x07 + +/* CTRL CLOSE CODES */ +#define GENERAL_STOP_CTRL 0x01 +#define STOP_PROTOCOL 0x02 +#define STOP_LOCAL_SHUTDOWN 0x03 + +/* PPTP CTRL structs */ + +struct pptp_header { + u_int16_t length; /* pptp message length incl header */ + u_int16_t pptp_type; /* pptp message type */ + u_int32_t magic; /* magic cookie */ + u_int16_t ctrl_type; /* control message type */ + u_int16_t reserved0; /* reserved */ +}; + +struct pptp_start_ctrl_conn_rqst { + struct pptp_header header; /* pptp header */ + u_int16_t version; /* pptp protocol version */ + u_int16_t reserved1; /* reserved */ + u_int32_t framing_cap; /* framing capabilities */ + u_int32_t bearer_cap; /* bearer capabilities */ + u_int16_t max_channels; /* maximum channels */ + u_int16_t firmware_rev; /* firmware revision */ + u_int8_t hostname[MAX_HOSTNAME_SIZE]; /* hostname */ + u_int8_t vendor[MAX_VENDOR_SIZE]; /* vendor */ +}; + +struct pptp_start_ctrl_conn_rply { + struct pptp_header header; /* pptp header */ + u_int16_t version; /* pptp protocol version */ + u_int8_t result_code; /* result code */ + u_int8_t error_code; /* error code */ + u_int32_t framing_cap; /* framing capabilities */ + u_int32_t bearer_cap; /* bearer capabilities */ + u_int16_t max_channels; /* maximum channels */ + u_int16_t firmware_rev; /* firmware revision */ + u_int8_t hostname[MAX_HOSTNAME_SIZE]; /* hostname */ + u_int8_t vendor[MAX_VENDOR_SIZE]; /* vendor */ +}; + +struct pptp_stop_ctrl_conn_rqst { + struct pptp_header header; /* header */ + u_int8_t reason; /* reason for closing */ + u_int8_t reserved1; /* reserved */ + u_int16_t reserved2; /* reserved */ +}; + +struct pptp_stop_ctrl_conn_rply { + struct pptp_header header; /* header */ + u_int8_t result_code; /* result code */ + u_int8_t error_code; /* error code */ + u_int16_t reserved1; /* reserved */ +}; + +struct pptp_echo_rqst { + struct pptp_header header; /* header */ + u_int32_t identifier; /* value to match rply with rqst */ +}; + +struct pptp_echo_rply { + struct pptp_header header; /* header */ + u_int32_t identifier; /* identifier of echo rqst */ + u_int8_t result_code; /* result code */ + u_int8_t error_code; /* error code */ + u_int16_t reserved1; /* reserved */ +}; + +struct pptp_out_call_rqst { + struct pptp_header header; /* header */ + u_int16_t call_id; /* unique identifier to PAC-PNS pair */ + u_int16_t call_serial; /* session identifier */ + u_int32_t min_bps; /* minimum line speed */ + u_int32_t max_bps; /* maximum line speed */ + u_int32_t bearer_type; /* bearer type */ + u_int32_t framing_type; /* framing type */ + u_int16_t pckt_recv_size; /* packet recv window size */ + u_int16_t pckt_delay; /* packet processing delay */ + u_int16_t phone_len; /* phone number length */ + u_int16_t reserved1; /* reserved */ + u_int8_t phone_num[64]; /* phone number */ + u_int8_t subaddress[64]; /* additional dialing info */ +}; + +struct pptp_out_call_rply { + struct pptp_header header; /* header */ + u_int16_t call_id; /* unique identifier to PAC-PNS pair */ + u_int16_t call_id_peer; /* set to call_id of the call rqst */ + u_int8_t result_code; /* result code */ + u_int8_t error_code; /* error code */ + u_int16_t cause_code; /* additional failure information */ + u_int32_t speed; /* actual connection speed */ + u_int16_t pckt_recv_size; /* packet recv window size */ + u_int16_t pckt_delay; /* packet processing delay */ + u_int32_t channel_id; /* physical channel ID */ +}; + +struct pptp_in_call_rqst { + struct pptp_header header; /* header */ + u_int16_t call_id; /* unique identifier for tunnel */ + u_int16_t call_serial; /* session identifier */ + u_int32_t bearer_type; /* bearer capability */ + u_int32_t channel_id; /* channel ID */ + u_int16_t dialed_len; /* dialed length */ + u_int16_t dialing_len; /* dialing length */ + u_int8_t dialed_num[64]; /* number that was dialed by the caller */ + u_int8_t dialing_num[64]; /* the number from which the call was placed */ + u_int8_t subaddress[64]; /* additional dialing information */ +}; + +struct pptp_in_call_rply { + struct pptp_header header; /* header */ + u_int16_t call_id; /* unique identifier for the tunnel */ + u_int16_t peers_call_id; /* set to rcvd call ID */ + u_int8_t result_code; /* result code */ + u_int8_t error_code; /* error code */ + u_int16_t pckt_recv_size; /* packet recv window size */ + u_int16_t pckt_delay; /* packet transmit delay */ + u_int16_t reserved1; /* reserved */ +}; + +struct pptp_in_call_connect { + struct pptp_header header; /* header */ + u_int16_t peers_call_id; /* set to rcvd call ID */ + u_int16_t reserved1; /* reserved */ + u_int32_t speed; /* connect speed */ + u_int16_t pckt_recv_size; /* packet rcvd window size */ + u_int16_t pckt_delay; /* packet transmit delay */ + u_int32_t framing_type; /* framing type */ +}; + +struct pptp_call_clr_rqst { + struct pptp_header header; /* header */ + u_int16_t call_id; /* call ID assigned by the PNS */ + u_int16_t reserved1; /* reserved */ +}; + +struct pptp_call_disconn_ntfy { + struct pptp_header header; /* header */ + u_int16_t call_id; /* call ID assigned by the PAC */ + u_int8_t result_code; /* result code */ + u_int8_t error_code; /* error code */ + u_int16_t cause_code; /* additional disconnect info */ + u_int16_t reserved1; /* reserved */ + u_int8_t call_stats[128]; /* vendor specific call stats */ +}; + +struct pptp_wan_err_ntfy { + struct pptp_header header; /* header */ + u_int16_t peers_call_id; /* call ID assigned by PNS */ + u_int16_t reserved1; /* reserved */ + u_int32_t crc_errors; /* # of PPP frames rcvd with CRC errors */ + u_int32_t framing_errors; /* # of improperly framed PPP pckts */ + u_int32_t hardware_overruns; /* # of receive buffer overruns */ + u_int32_t buff_overruns; /* # of buffer overruns */ + u_int32_t timeout_errors; /* # of timeouts */ + u_int32_t align_errors; /* # of alignment errors */ +}; + +struct pptp_set_link_info { + struct pptp_header header; + u_int16_t peers_call_id; /* call ID assigned by PAC */ + u_int16_t reserved1; /* reserved */ + u_int32_t send_accm; /* send ACCM value the client should use */ + u_int32_t recv_accm; /* recv ACCM value the client should use */ +}; + +/* GRE and PPP structs */ + +/* Copied from C. S. Ananian */ + +#define HDLC_FLAG 0x7E +#define HDLC_ESCAPE 0x7D + +#define PPTP_GRE_PROTO 0x880B +#define PPTP_GRE_VER 0x1 + +#define PPTP_GRE_FLAG_C 0x80 +#define PPTP_GRE_FLAG_R 0x40 +#define PPTP_GRE_FLAG_K 0x20 +#define PPTP_GRE_FLAG_S 0x10 +#define PPTP_GRE_FLAG_A 0x80 + +#define PPTP_GRE_IS_C(f) ((f)&PPTP_GRE_FLAG_C) +#define PPTP_GRE_IS_R(f) ((f)&PPTP_GRE_FLAG_R) +#define PPTP_GRE_IS_K(f) ((f)&PPTP_GRE_FLAG_K) +#define PPTP_GRE_IS_S(f) ((f)&PPTP_GRE_FLAG_S) +#define PPTP_GRE_IS_A(f) ((f)&PPTP_GRE_FLAG_A) + +struct pptp_gre_header { + u_int8_t flags; /* bitfield */ + u_int8_t ver; /* should be PPTP_GRE_VER (enhanced GRE) */ + u_int16_t protocol; /* should be PPTP_GRE_PROTO (ppp-encaps) */ + u_int16_t payload_len; /* size of ppp payload, not inc. gre header */ + u_int16_t call_id; /* peer's call_id for this session */ + u_int32_t seq; /* sequence number. Present if S==1 */ + u_int32_t ack; /* seq number of highest packet recieved by */ + /* sender in this session */ +}; + +/* For our call ID pairs */ +#define PNS_VALUE 0 +#define PAC_VALUE 1 + +#define GET_VALUE(which, where) ((which ## _VALUE) ? ((where) & 0xffff) : ((where) >> 16)) + +#define NOTE_VALUE(which, where, what) ((which ## _VALUE) \ + ? ((where) = ((where) & 0xffff0000) | (what)) \ + : ((where) = ((where) & 0xffff) | ((what) << 16))) + +#endif /* !_PPTPD_PPTPDEFS_H */ |