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Diffstat (limited to 'pppd_plugin/src/pptp_msg.h')
| -rw-r--r-- | pppd_plugin/src/pptp_msg.h | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/pppd_plugin/src/pptp_msg.h b/pppd_plugin/src/pptp_msg.h deleted file mode 100644 index e50ce0c..0000000 --- a/pppd_plugin/src/pptp_msg.h +++ /dev/null @@ -1,303 +0,0 @@ -/* pptp.h: packet structures and magic constants for the PPTP protocol - * C. Scott Ananian <cananian@alumni.princeton.edu> - * - * $Id: pptp_msg.h,v 1.3 2003/02/15 10:37:21 quozl Exp $ - */ - -#ifndef INC_PPTP_H -#define INC_PPTP_H - -/* Grab definitions of int16, int32, etc. */ -#include <sys/types.h> -/* define "portable" htons, etc. */ -#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) - -/* PPTP magic numbers: ----------------------------------------- */ - -#define PPTP_MAGIC 0x1A2B3C4D /* Magic cookie for PPTP datagrams */ -#define PPTP_PORT 1723 /* PPTP TCP port number */ -#define PPTP_PROTO 47 /* PPTP IP protocol number */ - -/* Control Connection Message Types: --------------------------- */ - -#define PPTP_MESSAGE_CONTROL 1 -#define PPTP_MESSAGE_MANAGE 2 - -/* Control Message Types: -------------------------------------- */ - -/* (Control Connection Management) */ -#define PPTP_START_CTRL_CONN_RQST 1 -#define PPTP_START_CTRL_CONN_RPLY 2 -#define PPTP_STOP_CTRL_CONN_RQST 3 -#define PPTP_STOP_CTRL_CONN_RPLY 4 -#define PPTP_ECHO_RQST 5 -#define PPTP_ECHO_RPLY 6 - -/* (Call Management) */ -#define PPTP_OUT_CALL_RQST 7 -#define PPTP_OUT_CALL_RPLY 8 -#define PPTP_IN_CALL_RQST 9 -#define PPTP_IN_CALL_RPLY 10 -#define PPTP_IN_CALL_CONNECT 11 -#define PPTP_CALL_CLEAR_RQST 12 -#define PPTP_CALL_CLEAR_NTFY 13 - -/* (Error Reporting) */ -#define PPTP_WAN_ERR_NTFY 14 - -/* (PPP Session Control) */ -#define PPTP_SET_LINK_INFO 15 - -/* PPTP version information: --------------------------------------*/ -#define PPTP_VERSION_STRING "1.00" -#define PPTP_VERSION 0x100 -#define PPTP_FIRMWARE_STRING "0.01" -#define PPTP_FIRMWARE_VERSION 0x001 - -/* PPTP capabilities: ---------------------------------------------*/ - -/* (Framing capabilities for msg sender) */ -#define PPTP_FRAME_ASYNC 1 -#define PPTP_FRAME_SYNC 2 -#define PPTP_FRAME_ANY 3 - -/* (Bearer capabilities for msg sender) */ -#define PPTP_BEARER_ANALOG 1 -#define PPTP_BEARER_DIGITAL 2 -#define PPTP_BEARER_ANY 3 - -#define PPTP_RESULT_GENERAL_ERROR 2 - -/* (Reasons to close a connection) */ -#define PPTP_STOP_NONE 1 /* no good reason */ -#define PPTP_STOP_PROTOCOL 2 /* can't support peer's protocol version */ -#define PPTP_STOP_LOCAL_SHUTDOWN 3 /* requester is being shut down */ - -/* PPTP datagram structures (all data in network byte order): ----------*/ - -struct pptp_header { - u_int16_t length; /* message length in octets, including header */ - u_int16_t pptp_type; /* PPTP message type. 1 for control message. */ - u_int32_t magic; /* this should be PPTP_MAGIC. */ - u_int16_t ctrl_type; /* Control message type (0-15) */ - u_int16_t reserved0; /* reserved. MUST BE ZERO. */ -}; - -struct pptp_start_ctrl_conn { /* for control message types 1 and 2 */ - struct pptp_header header; - - u_int16_t version; /* PPTP protocol version. = PPTP_VERSION */ - u_int8_t result_code; /* these two fields should be zero on rqst msg*/ - u_int8_t error_code; /* 0 unless result_code==2 (General Error) */ - u_int32_t framing_cap; /* Framing capabilities */ - u_int32_t bearer_cap; /* Bearer Capabilities */ - u_int16_t max_channels; /* Maximum Channels (=0 for PNS, PAC ignores) */ - u_int16_t firmware_rev; /* Firmware or Software Revision */ - u_int8_t hostname[64]; /* Host Name (64 octets, zero terminated) */ - u_int8_t vendor[64]; /* Vendor string (64 octets, zero term.) */ - /* MS says that end of hostname/vendor fields should be filled with */ - /* octets of value 0, but Win95 PPTP driver doesn't do this. */ -}; - -struct pptp_stop_ctrl_conn { /* for control message types 3 and 4 */ - struct pptp_header header; - - u_int8_t reason_result; /* reason for rqst, result for rply */ - u_int8_t error_code; /* MUST be 0, unless rply result==2 (general err)*/ - u_int16_t reserved1; /* MUST be 0 */ -}; - -struct pptp_echo_rqst { /* for control message type 5 */ - struct pptp_header header; - u_int32_t identifier; /* arbitrary value set by sender which is used */ - /* to match up reply and request */ -}; - -struct pptp_echo_rply { /* for control message type 6 */ - struct pptp_header header; - u_int32_t identifier; /* should correspond to id of rqst */ - u_int8_t result_code; - u_int8_t error_code; /* =0, unless result_code==2 (general error) */ - u_int16_t reserved1; /* MUST BE ZERO */ -}; - -struct pptp_out_call_rqst { /* for control message type 7 */ - struct pptp_header header; - u_int16_t call_id; /* Call ID (unique id used to multiplex data) */ - u_int16_t call_sernum; /* Call Serial Number (used for logging) */ - u_int32_t bps_min; /* Minimum BPS (lowest acceptable line speed) */ - u_int32_t bps_max; /* Maximum BPS (highest acceptable line speed) */ - u_int32_t bearer; /* Bearer type */ - u_int32_t framing; /* Framing type */ - u_int16_t recv_size; /* Recv. Window Size (no. of buffered packets) */ - u_int16_t delay; /* Packet Processing Delay (in 1/10 sec) */ - u_int16_t phone_len; /* Phone Number Length (num. of valid digits) */ - u_int16_t reserved1; /* MUST BE ZERO */ - u_int8_t phone_num[64]; /* Phone Number (64 octets, null term.) */ - u_int8_t subaddress[64]; /* Subaddress (64 octets, null term.) */ -}; - -struct pptp_out_call_rply { /* for control message type 8 */ - struct pptp_header header; - u_int16_t call_id; /* Call ID (used to multiplex data over tunnel)*/ - u_int16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/ - u_int8_t result_code; /* Result Code (1 is no errors) */ - u_int8_t error_code; /* Error Code (=0 unless result_code==2) */ - u_int16_t cause_code; /* Cause Code (addt'l failure information) */ - u_int32_t speed; /* Connect Speed (in BPS) */ - u_int16_t recv_size; /* Recv. Window Size (no. of buffered packets) */ - u_int16_t delay; /* Packet Processing Delay (in 1/10 sec) */ - u_int32_t channel; /* Physical Channel ID (for logging) */ -}; - -struct pptp_in_call_rqst { /* for control message type 9 */ - struct pptp_header header; - u_int16_t call_id; /* Call ID (unique id used to multiplex data) */ - u_int16_t call_sernum; /* Call Serial Number (used for logging) */ - u_int32_t bearer; /* Bearer type */ - u_int32_t channel; /* Physical Channel ID (for logging) */ - u_int16_t dialed_len; /* Dialed Number Length (# of valid digits) */ - u_int16_t dialing_len; /* Dialing Number Length (# of valid digits) */ - u_int8_t dialed_num[64]; /* Dialed Number (64 octets, zero term.) */ - u_int8_t dialing_num[64]; /* Dialing Number (64 octets, zero term.) */ - u_int8_t subaddress[64]; /* Subaddress (64 octets, zero term.) */ -}; - -struct pptp_in_call_rply { /* for control message type 10 */ - struct pptp_header header; - u_int16_t call_id; /* Call ID (used to multiplex data over tunnel)*/ - u_int16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/ - u_int8_t result_code; /* Result Code (1 is no errors) */ - u_int8_t error_code; /* Error Code (=0 unless result_code==2) */ - u_int16_t recv_size; /* Recv. Window Size (no. of buffered packets) */ - u_int16_t delay; /* Packet Processing Delay (in 1/10 sec) */ - u_int16_t reserved1; /* MUST BE ZERO */ -}; - -struct pptp_in_call_connect { /* for control message type 11 */ - struct pptp_header header; - u_int16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/ - u_int16_t reserved1; /* MUST BE ZERO */ - u_int32_t speed; /* Connect Speed (in BPS) */ - u_int16_t recv_size; /* Recv. Window Size (no. of buffered packets) */ - u_int16_t delay; /* Packet Processing Delay (in 1/10 sec) */ - u_int32_t framing; /* Framing type */ -}; - -struct pptp_call_clear_rqst { /* for control message type 12 */ - struct pptp_header header; - u_int16_t call_id; /* Call ID (used to multiplex data over tunnel)*/ - u_int16_t reserved1; /* MUST BE ZERO */ -}; - -struct pptp_call_clear_ntfy { /* for control message type 13 */ - struct pptp_header header; - u_int16_t call_id; /* Call ID (used to multiplex data over tunnel)*/ - u_int8_t result_code; /* Result Code */ - u_int8_t error_code; /* Error Code (=0 unless result_code==2) */ - u_int16_t cause_code; /* Cause Code (for ISDN, is Q.931 cause code) */ - u_int16_t reserved1; /* MUST BE ZERO */ - u_int8_t call_stats[128]; /* Call Statistics: 128 octets, ascii, 0-term */ -}; - -struct pptp_wan_err_ntfy { /* for control message type 14 */ - struct pptp_header header; - u_int16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/ - u_int16_t reserved1; /* MUST BE ZERO */ - u_int32_t crc_errors; /* CRC errors */ - u_int32_t frame_errors; /* Framing errors */ - u_int32_t hard_errors; /* Hardware overruns */ - u_int32_t buff_errors; /* Buffer overruns */ - u_int32_t time_errors; /* Time-out errors */ - u_int32_t align_errors; /* Alignment errors */ -}; - -struct pptp_set_link_info { /* for control message type 15 */ - struct pptp_header header; - u_int16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst) */ - u_int16_t reserved1; /* MUST BE ZERO */ - u_int32_t send_accm; /* Send ACCM (for PPP packets; default 0xFFFFFFFF)*/ - u_int32_t recv_accm; /* Receive ACCM (for PPP pack.;default 0xFFFFFFFF)*/ -}; - -/* helpful #defines: -------------------------------------------- */ -#define pptp_isvalid_ctrl(header, type, length) \ - (!( ( ntoh16(((struct pptp_header *)header)->length) < (length) ) || \ - ( ntoh16(((struct pptp_header *)header)->pptp_type) !=(type) ) || \ - ( ntoh32(((struct pptp_header *)header)->magic) !=PPTP_MAGIC) || \ - ( ntoh16(((struct pptp_header *)header)->ctrl_type) > PPTP_SET_LINK_INFO) || \ - ( ntoh16(((struct pptp_header *)header)->reserved0) !=0 ) )) - -#define PPTP_HEADER_CTRL(type) \ -{ hton16(PPTP_CTRL_SIZE(type)), \ - hton16(PPTP_MESSAGE_CONTROL), \ - hton32(PPTP_MAGIC), \ - hton16(type), 0 } - -#define PPTP_CTRL_SIZE(type) ( \ -(type==PPTP_START_CTRL_CONN_RQST)?sizeof(struct pptp_start_ctrl_conn): \ -(type==PPTP_START_CTRL_CONN_RPLY)?sizeof(struct pptp_start_ctrl_conn): \ -(type==PPTP_STOP_CTRL_CONN_RQST )?sizeof(struct pptp_stop_ctrl_conn): \ -(type==PPTP_STOP_CTRL_CONN_RPLY )?sizeof(struct pptp_stop_ctrl_conn): \ -(type==PPTP_ECHO_RQST )?sizeof(struct pptp_echo_rqst): \ -(type==PPTP_ECHO_RPLY )?sizeof(struct pptp_echo_rply): \ -(type==PPTP_OUT_CALL_RQST )?sizeof(struct pptp_out_call_rqst): \ -(type==PPTP_OUT_CALL_RPLY )?sizeof(struct pptp_out_call_rply): \ -(type==PPTP_IN_CALL_RQST )?sizeof(struct pptp_in_call_rqst): \ -(type==PPTP_IN_CALL_RPLY )?sizeof(struct pptp_in_call_rply): \ -(type==PPTP_IN_CALL_CONNECT )?sizeof(struct pptp_in_call_connect): \ -(type==PPTP_CALL_CLEAR_RQST )?sizeof(struct pptp_call_clear_rqst): \ -(type==PPTP_CALL_CLEAR_NTFY )?sizeof(struct pptp_call_clear_ntfy): \ -(type==PPTP_WAN_ERR_NTFY )?sizeof(struct pptp_wan_err_ntfy): \ -(type==PPTP_SET_LINK_INFO )?sizeof(struct pptp_set_link_info): \ -0) -#define max(a,b) (((a)>(b))?(a):(b)) -#define PPTP_CTRL_SIZE_MAX ( \ -max(sizeof(struct pptp_start_ctrl_conn), \ -max(sizeof(struct pptp_echo_rqst), \ -max(sizeof(struct pptp_echo_rply), \ -max(sizeof(struct pptp_out_call_rqst), \ -max(sizeof(struct pptp_out_call_rply), \ -max(sizeof(struct pptp_in_call_rqst), \ -max(sizeof(struct pptp_in_call_rply), \ -max(sizeof(struct pptp_in_call_connect), \ -max(sizeof(struct pptp_call_clear_rqst), \ -max(sizeof(struct pptp_call_clear_ntfy), \ -max(sizeof(struct pptp_wan_err_ntfy), \ -max(sizeof(struct pptp_set_link_info), 0))))))))))))) - - -/* gre header structure: -------------------------------------------- */ - -#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 */ -}; - -#endif /* INC_PPTP_H */ |