--- /dev/null
+/*
+ * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+
+#ifndef lint
+static const char rcsid[] =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-pptp.c,v 1.1 2001-03-09 05:38:21 guy Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "interface.h"
+
+static char tstr[] = " [|pptp]";
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#define PPTP_MSG_TYPE_CTRL 1 /* Control Message */
+#define PPTP_MSG_TYPE_MGMT 2 /* Management Message (currently not used */
+#define PPTP_MAGIC_COOKIE 0x1a2b3c4d /* for sanity check */
+
+#define PPTP_CTRL_MSG_TYPE_SCCRQ 1
+#define PPTP_CTRL_MSG_TYPE_SCCRP 2
+#define PPTP_CTRL_MSG_TYPE_StopCCRQ 3
+#define PPTP_CTRL_MSG_TYPE_StopCCRP 4
+#define PPTP_CTRL_MSG_TYPE_ECHORQ 5
+#define PPTP_CTRL_MSG_TYPE_ECHORP 6
+#define PPTP_CTRL_MSG_TYPE_OCRQ 7
+#define PPTP_CTRL_MSG_TYPE_OCRP 8
+#define PPTP_CTRL_MSG_TYPE_ICRQ 9
+#define PPTP_CTRL_MSG_TYPE_ICRP 10
+#define PPTP_CTRL_MSG_TYPE_ICCN 11
+#define PPTP_CTRL_MSG_TYPE_CCRQ 12
+#define PPTP_CTRL_MSG_TYPE_CDN 13
+#define PPTP_CTRL_MSG_TYPE_WEN 14
+#define PPTP_CTRL_MSG_TYPE_SLI 15
+
+#define PPTP_FRAMING_CAP_ASYNC_MASK 0x00000001 /* Aynchronous */
+#define PPTP_FRAMING_CAP_SYNC_MASK 0x00000002 /* Synchronous */
+
+#define PPTP_BEARER_CAP_ANALOG_MASK 0x00000001 /* Analog */
+#define PPTP_BEARER_CAP_DIGITAL_MASK 0x00000002 /* Digital */
+
+static char *pptp_message_type_string[] = {
+ "NOT_DEFINED", /* 0 Not defined in the RFC2637 */
+ "SCCRQ", /* 1 Start-Control-Connection-Request */
+ "SCCRP", /* 2 Start-Control-Connection-Reply */
+ "StopCCRQ", /* 3 Stop-Control-Connection-Request */
+ "StopCCRP", /* 4 Stop-Control-Connection-Reply */
+ "ECHORQ", /* 5 Echo Request */
+ "ECHORP", /* 6 Echo Reply */
+
+ "OCRQ", /* 7 Outgoing-Call-Request */
+ "OCRP", /* 8 Outgoing-Call-Reply */
+ "ICRQ", /* 9 Incoming-Call-Request */
+ "ICRP", /* 10 Incoming-Call-Reply */
+ "ICCN", /* 11 Incoming-Call-Connected */
+ "CCRQ", /* 12 Call-Clear-Request */
+ "CDN", /* 13 Call-Disconnect-Notify */
+
+ "WEN", /* 14 WAN-Error-Notify */
+
+ "SLI" /* 15 Set-Link-Info */
+#define PPTP_MAX_MSGTYPE_INDEX 16
+};
+
+/* common for all PPTP control messages */
+struct pptp_hdr {
+ u_int16_t length;
+ u_int16_t msg_type;
+ u_int32_t magic_cookie;
+ u_int16_t ctrl_msg_type;
+ u_int16_t reserved0;
+};
+
+struct pptp_msg_sccrq {
+ u_int16_t proto_ver;
+ u_int16_t reserved1;
+ u_int32_t framing_cap;
+ u_int32_t bearer_cap;
+ u_int16_t max_channel;
+ u_int16_t firm_rev;
+ u_char hostname[64];
+ u_char vendor[64];
+};
+
+struct pptp_msg_sccrp {
+ u_int16_t proto_ver;
+ u_int8_t result_code;
+ u_int8_t err_code;
+ u_int32_t framing_cap;
+ u_int32_t bearer_cap;
+ u_int16_t max_channel;
+ u_int16_t firm_rev;
+ u_char hostname[64];
+ u_char vendor[64];
+};
+
+struct pptp_msg_stopccrq {
+ u_int8_t reason;
+ u_int8_t reserved1;
+ u_int16_t reserved2;
+};
+
+struct pptp_msg_stopccrp {
+ u_int8_t result_code;
+ u_int8_t err_code;
+ u_int16_t reserved1;
+};
+
+struct pptp_msg_echorq {
+ u_int32_t id;
+};
+
+struct pptp_msg_echorp {
+ u_int32_t id;
+ u_int8_t result_code;
+ u_int8_t err_code;
+ u_int16_t reserved1;
+};
+
+struct pptp_msg_ocrq {
+ u_int16_t call_id;
+ u_int16_t call_ser;
+ u_int32_t min_bps;
+ u_int32_t max_bps;
+ u_int32_t bearer_type;
+ u_int32_t framing_type;
+ u_int16_t recv_winsiz;
+ u_int16_t pkt_proc_delay;
+ u_int16_t phone_no_len;
+ u_int16_t reserved1;
+ u_char phone_no[64];
+ u_char subaddr[64];
+};
+
+struct pptp_msg_ocrp {
+ u_int16_t call_id;
+ u_int16_t peer_call_id;
+ u_int8_t result_code;
+ u_int8_t err_code;
+ u_int16_t cause_code;
+ u_int32_t conn_speed;
+ u_int16_t recv_winsiz;
+ u_int16_t pkt_proc_delay;
+ u_int32_t phy_chan_id;
+};
+
+struct pptp_msg_icrq {
+ u_int16_t call_id;
+ u_int16_t call_ser;
+ u_int32_t bearer_type;
+ u_int32_t phy_chan_id;
+ u_int16_t dialed_no_len;
+ u_int16_t dialing_no_len;
+ u_char dialed_no[64]; /* DNIS */
+ u_char dialing_no[64]; /* CLID */
+ u_char subaddr[64];
+};
+
+struct pptp_msg_icrp {
+ u_int16_t call_id;
+ u_int16_t peer_call_id;
+ u_int8_t result_code;
+ u_int8_t err_code;
+ u_int16_t recv_winsiz;
+ u_int16_t pkt_proc_delay;
+ u_int16_t reserved1;
+};
+
+struct pptp_msg_iccn {
+ u_int16_t peer_call_id;
+ u_int16_t reserved1;
+ u_int32_t conn_speed;
+ u_int16_t recv_winsiz;
+ u_int16_t pkt_proc_delay;
+ u_int32_t framing_type;
+};
+
+struct pptp_msg_ccrq {
+ u_int16_t call_id;
+ u_int16_t reserved1;
+};
+
+struct pptp_msg_cdn {
+ u_int16_t call_id;
+ u_int8_t result_code;
+ u_int8_t err_code;
+ u_int16_t cause_code;
+ u_int16_t reserved1;
+ u_char call_stats[128];
+};
+
+struct pptp_msg_wen {
+ u_int16_t peer_call_id;
+ u_int16_t reserved1;
+ u_int32_t crc_err;
+ u_int32_t framing_err;
+ u_int32_t hardware_overrun;
+ u_int32_t buffer_overrun;
+ u_int32_t timeout_err;
+ u_int32_t align_err;
+};
+
+struct pptp_msg_sli {
+ u_int16_t peer_call_id;
+ u_int16_t reserved1;
+ u_int32_t send_accm;
+ u_int32_t recv_accm;
+};
+
+/* attributes that appear more than once in above messages:
+
+ Number of
+ occurence attributes
+ --------------------------------------
+ 2 u_int32_t bearer_cap;
+ 2 u_int32_t bearer_type;
+ 6 u_int16_t call_id;
+ 2 u_int16_t call_ser;
+ 2 u_int16_t cause_code;
+ 2 u_int32_t conn_speed;
+ 6 u_int8_t err_code;
+ 2 u_int16_t firm_rev;
+ 2 u_int32_t framing_cap;
+ 2 u_int32_t framing_type;
+ 2 u_char hostname[64];
+ 2 u_int32_t id;
+ 2 u_int16_t max_channel;
+ 5 u_int16_t peer_call_id;
+ 2 u_int32_t phy_chan_id;
+ 4 u_int16_t pkt_proc_delay;
+ 2 u_int16_t proto_ver;
+ 4 u_int16_t recv_winsiz;
+ 2 u_int8_t reserved1;
+ 9 u_int16_t reserved1;
+ 6 u_int8_t result_code;
+ 2 u_char subaddr[64];
+ 2 u_char vendor[64];
+
+ so I will prepare print out functions for these attributes (except for
+ reserved*).
+*/
+
+/******************************************/
+/* Attribute-specific print out functions */
+/******************************************/
+
+/* In these attribute-specific print-out functions, it't not necessary
+ to do TCHECK because they are already checked in the caller of
+ these functions. */
+
+static void
+pptp_bearer_cap_print(const u_int32_t *bearer_cap)
+{
+ printf(" BEARER_CAP(");
+ if (ntohl(*bearer_cap) & PPTP_BEARER_CAP_DIGITAL_MASK) {
+ printf("D");
+ }
+ if (ntohl(*bearer_cap) & PPTP_BEARER_CAP_ANALOG_MASK) {
+ printf("A");
+ }
+ printf(")");
+}
+
+static void
+pptp_bearer_type_print(const u_int32_t *bearer_type)
+{
+ printf(" BEARER_TYPE(");
+ switch (ntohl(*bearer_type)) {
+ case 1:
+ printf("A"); /* Analog */
+ break;
+ case 2:
+ printf("D"); /* Digital */
+ break;
+ case 3:
+ printf("Any");
+ break;
+ default:
+ printf("???");
+ break;
+ }
+ printf(")");
+}
+
+static void
+pptp_call_id_print(const u_int16_t *call_id)
+{
+ printf(" CALL_ID(%u)", ntohs(*call_id));
+}
+
+static void
+pptp_call_ser_print(const u_int16_t *call_ser)
+{
+ printf(" CALL_SER_NUM(%u)", ntohs(*call_ser));
+}
+
+static void
+pptp_cause_code_print(const u_int16_t *cause_code)
+{
+ printf(" CAUSE_CODE(%u)", ntohs(*cause_code));
+}
+
+static void
+pptp_conn_speed_print(const u_int32_t *conn_speed)
+{
+ printf(" CONN_SPEED(%lu)", (unsigned long)ntohl(*conn_speed));
+}
+
+static void
+pptp_err_code_print(const u_int8_t *err_code)
+{
+ printf(" ERR_CODE(%u", *err_code);
+ if (vflag) {
+ switch (*err_code) {
+ case 0:
+ printf(":None");
+ break;
+ case 1:
+ printf(":Not-Connected");
+ break;
+ case 2:
+ printf(":Bad-Format");
+ break;
+ case 3:
+ printf(":Bad-Valude");
+ break;
+ case 4:
+ printf(":No-Resource");
+ break;
+ case 5:
+ printf(":Bad-Call-ID");
+ break;
+ case 6:
+ printf(":PAC-Error");
+ break;
+ default:
+ printf(":???");
+ break;
+ }
+ }
+ printf(")");
+}
+
+static void
+pptp_firm_rev_print(const u_int16_t *firm_rev)
+{
+ printf(" FIRM_REV(%u)", ntohs(*firm_rev));
+}
+
+static void
+pptp_framing_cap_print(const u_int32_t *framing_cap)
+{
+ printf(" FRAME_CAP(");
+ if (ntohl(*framing_cap) & PPTP_FRAMING_CAP_ASYNC_MASK) {
+ printf("A"); /* Async */
+ }
+ if (ntohl(*framing_cap) & PPTP_FRAMING_CAP_SYNC_MASK) {
+ printf("S"); /* Sync */
+ }
+ printf(")");
+}
+
+static void
+pptp_framing_type_print(const u_int32_t *framing_type)
+{
+ printf(" FRAME_TYPE(");
+ switch (ntohl(*framing_type)) {
+ case 1:
+ printf("A"); /* Async */
+ break;
+ case 2:
+ printf("S"); /* Sync */
+ break;
+ case 3:
+ printf("E"); /* Either */
+ break;
+ default:
+ printf("???");
+ break;
+ }
+ printf(")");
+}
+
+static void
+pptp_hostname_print(const u_char *hostname)
+{
+ printf(" HOSTNAME(%.64s)", hostname);
+}
+
+static void
+pptp_id_print(const u_int32_t *id)
+{
+ printf(" ID(%lu)", (unsigned long)ntohl(*id));
+}
+
+static void
+pptp_max_channel_print(const u_int16_t *max_channel)
+{
+ printf(" MAX_CHAN(%u)", ntohs(*max_channel));
+}
+
+static void
+pptp_peer_call_id_print(const u_int16_t *peer_call_id)
+{
+ printf(" PEER_CALL_ID(%u)", ntohs(*peer_call_id));
+}
+
+static void
+pptp_phy_chan_id_print(const u_int32_t *phy_chan_id)
+{
+ printf(" PHY_CHAN_ID(%lu)", (unsigned long)ntohl(*phy_chan_id));
+}
+
+static void
+pptp_pkt_proc_delay_print(const u_int16_t *pkt_proc_delay)
+{
+ printf(" PHY_CHAN_ID(%u)", ntohs(*pkt_proc_delay));
+}
+
+static void
+pptp_proto_ver_print(const u_int16_t *proto_ver)
+{
+ printf(" PROTO_VER(%u.%u)", /* Version.Revision */
+ ntohs(*proto_ver) >> 8, ntohs(*proto_ver) & 0xff);
+}
+
+static void
+pptp_recv_winsiz_print(const u_int16_t *recv_winsiz)
+{
+ printf(" RECV_WIN(%u)", ntohs(*recv_winsiz));
+}
+
+static void
+pptp_result_code_print(const u_int8_t *result_code, int ctrl_msg_type)
+{
+ printf(" RESULT_CODE(%u", *result_code);
+ if (vflag) {
+ switch (ctrl_msg_type) {
+ case PPTP_CTRL_MSG_TYPE_SCCRP:
+ switch (*result_code) {
+ case 1:
+ printf(":Successful channel establishment");
+ break;
+ case 2:
+ printf(":General error");
+ break;
+ case 3:
+ printf(":Command channel already exists");
+ break;
+ case 4:
+ printf(":Requester is not authorized to establish a command channel");
+ break;
+ case 5:
+ printf(":The protocol version of the requester is not supported");
+ break;
+ default:
+ printf(":???");
+ break;
+ }
+ break;
+ case PPTP_CTRL_MSG_TYPE_StopCCRP:
+ case PPTP_CTRL_MSG_TYPE_ECHORP:
+ switch (*result_code) {
+ case 1:
+ printf(":OK");
+ break;
+ case 2:
+ printf(":General Error");
+ break;
+ default:
+ printf(":???");
+ break;
+ }
+ break;
+ case PPTP_CTRL_MSG_TYPE_OCRP:
+ switch (*result_code) {
+ case 1:
+ printf(":Connected");
+ break;
+ case 2:
+ printf(":General Error");
+ break;
+ case 3:
+ printf(":No Carrier");
+ break;
+ case 4:
+ printf(":Busy");
+ break;
+ case 5:
+ printf(":No Dial Tone");
+ break;
+ case 6:
+ printf(":Time-out");
+ break;
+ case 7:
+ printf(":Do Not Accept");
+ break;
+ default:
+ printf(":???");
+ break;
+ }
+ break;
+ case PPTP_CTRL_MSG_TYPE_ICRP:
+ switch (*result_code) {
+ case 1:
+ printf(":Connect");
+ break;
+ case 2:
+ printf(":General Error");
+ break;
+ case 3:
+ printf(":Do Not Accept");
+ break;
+ default:
+ printf(":???");
+ break;
+ }
+ break;
+ case PPTP_CTRL_MSG_TYPE_CDN:
+ switch (*result_code) {
+ case 1:
+ printf(":Lost Carrier");
+ break;
+ case 2:
+ printf(":General Error");
+ break;
+ case 3:
+ printf(":Admin Shutdown");
+ break;
+ case 4:
+ printf(":Request");
+ default:
+ printf(":???");
+ break;
+ break;
+ }
+ default:
+ /* assertion error */
+ break;
+ }
+ }
+ printf(")");
+}
+
+static void
+pptp_subaddr_print(const u_char *subaddr)
+{
+ printf(" SUB_ADDR(%.64s)", subaddr);
+}
+
+static void
+pptp_vendor_print(const u_char *vendor)
+{
+ printf(" VENDOR(%.64s)", vendor);
+}
+
+/************************************/
+/* PPTP message print out functions */
+/************************************/
+static void
+pptp_sccrq_print(const u_char *dat)
+{
+ struct pptp_msg_sccrq *ptr = (struct pptp_msg_sccrq *)dat;
+
+ TCHECK(ptr->proto_ver);
+ pptp_proto_ver_print(&ptr->proto_ver);
+ TCHECK(ptr->reserved1);
+ TCHECK(ptr->framing_cap);
+ pptp_framing_cap_print(&ptr->framing_cap);
+ TCHECK(ptr->bearer_cap);
+ pptp_bearer_cap_print(&ptr->bearer_cap);
+ TCHECK(ptr->max_channel);
+ pptp_max_channel_print(&ptr->max_channel);
+ TCHECK(ptr->firm_rev);
+ pptp_firm_rev_print(&ptr->firm_rev);
+ TCHECK(ptr->hostname);
+ pptp_hostname_print(&ptr->hostname[0]);
+ TCHECK(ptr->vendor);
+ pptp_vendor_print(&ptr->vendor[0]);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_sccrp_print(const u_char *dat)
+{
+ struct pptp_msg_sccrp *ptr = (struct pptp_msg_sccrp *)dat;
+
+ TCHECK(ptr->proto_ver);
+ pptp_proto_ver_print(&ptr->proto_ver);
+ TCHECK(ptr->result_code);
+ pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_SCCRP);
+ TCHECK(ptr->err_code);
+ pptp_err_code_print(&ptr->err_code);
+ TCHECK(ptr->framing_cap);
+ pptp_framing_cap_print(&ptr->framing_cap);
+ TCHECK(ptr->bearer_cap);
+ pptp_bearer_cap_print(&ptr->bearer_cap);
+ TCHECK(ptr->max_channel);
+ pptp_max_channel_print(&ptr->max_channel);
+ TCHECK(ptr->firm_rev);
+ pptp_firm_rev_print(&ptr->firm_rev);
+ TCHECK(ptr->hostname);
+ pptp_hostname_print(&ptr->hostname[0]);
+ TCHECK(ptr->vendor);
+ pptp_vendor_print(&ptr->vendor[0]);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_stopccrq_print(const u_char *dat)
+{
+ struct pptp_msg_stopccrq *ptr = (struct pptp_msg_stopccrq *)dat;
+
+ TCHECK(ptr->reason);
+ printf(" REASON(%u", ptr->reason);
+ if (vflag) {
+ switch (ptr->reason) {
+ case 1:
+ printf(":None");
+ break;
+ case 2:
+ printf(":Stop-Protocol");
+ break;
+ case 3:
+ printf(":Stop-Local-Shutdown");
+ break;
+ default:
+ printf(":???");
+ break;
+ }
+ }
+ printf(")");
+ TCHECK(ptr->reserved1);
+ TCHECK(ptr->reserved2);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_stopccrp_print(const u_char *dat)
+{
+ struct pptp_msg_stopccrp *ptr = (struct pptp_msg_stopccrp *)dat;
+
+ TCHECK(ptr->result_code);
+ pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_StopCCRP);
+ TCHECK(ptr->err_code);
+ pptp_err_code_print(&ptr->err_code);
+ TCHECK(ptr->reserved1);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_echorq_print(const u_char *dat)
+{
+ struct pptp_msg_echorq *ptr = (struct pptp_msg_echorq *)dat;
+
+ TCHECK(ptr->id);
+ pptp_id_print(&ptr->id);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_echorp_print(const u_char *dat)
+{
+ struct pptp_msg_echorp *ptr = (struct pptp_msg_echorp *)dat;
+
+ TCHECK(ptr->id);
+ pptp_id_print(&ptr->id);
+ TCHECK(ptr->result_code);
+ pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_ECHORP);
+ TCHECK(ptr->err_code);
+ pptp_err_code_print(&ptr->err_code);
+ TCHECK(ptr->reserved1);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_ocrq_print(const u_char *dat)
+{
+ struct pptp_msg_ocrq *ptr = (struct pptp_msg_ocrq *)dat;
+
+ TCHECK(ptr->call_id);
+ pptp_call_id_print(&ptr->call_id);
+ TCHECK(ptr->call_ser);
+ pptp_call_ser_print(&ptr->call_ser);
+ TCHECK(ptr->min_bps);
+ printf(" MIN_BPS(%lu)", (unsigned long)ntohl(ptr->min_bps));
+ TCHECK(ptr->max_bps);
+ printf(" MAX_BPS(%lu)", (unsigned long)ntohl(ptr->max_bps));
+ TCHECK(ptr->bearer_type);
+ pptp_bearer_type_print(&ptr->bearer_type);
+ TCHECK(ptr->framing_type);
+ pptp_framing_type_print(&ptr->framing_type);
+ TCHECK(ptr->recv_winsiz);
+ pptp_recv_winsiz_print(&ptr->recv_winsiz);
+ TCHECK(ptr->pkt_proc_delay);
+ pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
+ TCHECK(ptr->phone_no_len);
+ printf(" PHONE_NO_LEN(%u)", ntohs(ptr->phone_no_len));
+ TCHECK(ptr->reserved1);
+ TCHECK(ptr->phone_no);
+ printf(" PHONE_NO(%.64s)", ptr->phone_no);
+ TCHECK(ptr->subaddr);
+ pptp_subaddr_print(&ptr->subaddr[0]);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_ocrp_print(const u_char *dat)
+{
+ struct pptp_msg_ocrp *ptr = (struct pptp_msg_ocrp *)dat;
+
+ TCHECK(ptr->call_id);
+ pptp_call_id_print(&ptr->call_id);
+ TCHECK(ptr->peer_call_id);
+ pptp_peer_call_id_print(&ptr->peer_call_id);
+ TCHECK(ptr->result_code);
+ pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_OCRP);
+ TCHECK(ptr->err_code);
+ pptp_err_code_print(&ptr->err_code);
+ TCHECK(ptr->cause_code);
+ pptp_cause_code_print(&ptr->cause_code);
+ TCHECK(ptr->conn_speed);
+ pptp_conn_speed_print(&ptr->conn_speed);
+ TCHECK(ptr->recv_winsiz);
+ pptp_recv_winsiz_print(&ptr->recv_winsiz);
+ TCHECK(ptr->pkt_proc_delay);
+ pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
+ TCHECK(ptr->phy_chan_id);
+ pptp_phy_chan_id_print(&ptr->phy_chan_id);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_icrq_print(const u_char *dat)
+{
+ struct pptp_msg_icrq *ptr = (struct pptp_msg_icrq *)dat;
+
+ TCHECK(ptr->call_id);
+ pptp_call_id_print(&ptr->call_id);
+ TCHECK(ptr->call_ser);
+ pptp_call_ser_print(&ptr->call_ser);
+ TCHECK(ptr->bearer_type);
+ pptp_bearer_type_print(&ptr->bearer_type);
+ TCHECK(ptr->phy_chan_id);
+ pptp_phy_chan_id_print(&ptr->phy_chan_id);
+ TCHECK(ptr->dialed_no_len);
+ printf(" DIALED_NO_LEN(%u)", ntohs(ptr->dialed_no_len));
+ TCHECK(ptr->dialing_no_len);
+ printf(" DIALING_NO_LEN(%u)", ntohs(ptr->dialing_no_len));
+ TCHECK(ptr->dialed_no);
+ printf(" DIALED_NO(%.64s)", ptr->dialed_no);
+ TCHECK(ptr->dialing_no);
+ printf(" DIALING_NO(%.64s)", ptr->dialing_no);
+ TCHECK(ptr->subaddr);
+ pptp_subaddr_print(&ptr->subaddr[0]);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_icrp_print(const u_char *dat)
+{
+ struct pptp_msg_icrp *ptr = (struct pptp_msg_icrp *)dat;
+
+ TCHECK(ptr->call_id);
+ pptp_call_id_print(&ptr->call_id);
+ TCHECK(ptr->peer_call_id);
+ pptp_peer_call_id_print(&ptr->peer_call_id);
+ TCHECK(ptr->result_code);
+ pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_ICRP);
+ TCHECK(ptr->err_code);
+ pptp_err_code_print(&ptr->err_code);
+ TCHECK(ptr->recv_winsiz);
+ pptp_recv_winsiz_print(&ptr->recv_winsiz);
+ TCHECK(ptr->pkt_proc_delay);
+ pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
+ TCHECK(ptr->reserved1);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_iccn_print(const u_char *dat)
+{
+ struct pptp_msg_iccn *ptr = (struct pptp_msg_iccn *)dat;
+
+ TCHECK(ptr->peer_call_id);
+ pptp_peer_call_id_print(&ptr->peer_call_id);
+ TCHECK(ptr->reserved1);
+ TCHECK(ptr->conn_speed);
+ pptp_conn_speed_print(&ptr->conn_speed);
+ TCHECK(ptr->recv_winsiz);
+ pptp_recv_winsiz_print(&ptr->recv_winsiz);
+ TCHECK(ptr->pkt_proc_delay);
+ pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
+ TCHECK(ptr->framing_type);
+ pptp_framing_type_print(&ptr->framing_type);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_ccrq_print(const u_char *dat)
+{
+ struct pptp_msg_ccrq *ptr = (struct pptp_msg_ccrq *)dat;
+
+ TCHECK(ptr->call_id);
+ pptp_call_id_print(&ptr->call_id);
+ TCHECK(ptr->reserved1);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_cdn_print(const u_char *dat)
+{
+ struct pptp_msg_cdn *ptr = (struct pptp_msg_cdn *)dat;
+
+ TCHECK(ptr->call_id);
+ pptp_call_id_print(&ptr->call_id);
+ TCHECK(ptr->result_code);
+ pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_CDN);
+ TCHECK(ptr->err_code);
+ pptp_err_code_print(&ptr->err_code);
+ TCHECK(ptr->cause_code);
+ pptp_cause_code_print(&ptr->cause_code);
+ TCHECK(ptr->reserved1);
+ TCHECK(ptr->call_stats);
+ printf(" CALL_STATS(%.128s)", ptr->call_stats);
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_wen_print(const u_char *dat)
+{
+ struct pptp_msg_wen *ptr = (struct pptp_msg_wen *)dat;
+
+ TCHECK(ptr->peer_call_id);
+ pptp_peer_call_id_print(&ptr->peer_call_id);
+ TCHECK(ptr->reserved1);
+ TCHECK(ptr->crc_err);
+ printf(" CRC_ERR(%lu)", (unsigned long)ntohl(ptr->crc_err));
+ TCHECK(ptr->framing_err);
+ printf(" FRAMING_ERR(%lu)", (unsigned long)ntohl(ptr->framing_err));
+ TCHECK(ptr->hardware_overrun);
+ printf(" HARDWARE_OVERRUN(%lu)",
+ (unsigned long)ntohl(ptr->hardware_overrun));
+ TCHECK(ptr->buffer_overrun);
+ printf(" BUFFER_OVERRUN(%lu)",
+ (unsigned long)ntohl(ptr->buffer_overrun));
+ TCHECK(ptr->timeout_err);
+ printf(" TIMEOUT_ERR(%lu)", (unsigned long)ntohl(ptr->timeout_err));
+ TCHECK(ptr->align_err);
+ printf(" ALIGN_ERR(%lu)", (unsigned long)ntohl(ptr->align_err));
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+static void
+pptp_sli_print(const u_char *dat)
+{
+ struct pptp_msg_sli *ptr = (struct pptp_msg_sli *)dat;
+
+ TCHECK(ptr->peer_call_id);
+ pptp_peer_call_id_print(&ptr->peer_call_id);
+ TCHECK(ptr->reserved1);
+ TCHECK(ptr->send_accm);
+ printf(" SEND_ACCM(0x%08lx)", (unsigned long)ntohl(ptr->send_accm));
+ TCHECK(ptr->recv_accm);
+ printf(" RECV_ACCM(0x%08lx)", (unsigned long)ntohl(ptr->recv_accm));
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
+
+void
+pptp_print(const u_char *dat, u_int length)
+{
+ const struct pptp_hdr *hdr;
+ u_int32_t mc;
+ u_int16_t ctrl_msg_type;
+
+ printf(": pptp");
+
+ hdr = (struct pptp_hdr *)dat;
+
+ TCHECK(hdr->length);
+ if (vflag) {
+ printf(" Length=%u", ntohs(hdr->length));
+ }
+ TCHECK(hdr->msg_type);
+ if (vflag) {
+ switch(ntohs(hdr->msg_type)) {
+ case PPTP_MSG_TYPE_CTRL:
+ printf(" CTRL-MSG");
+ break;
+ case PPTP_MSG_TYPE_MGMT:
+ printf(" MGMT-MSG");
+ break;
+ default:
+ printf(" UNKNOWN-MSG-TYPE");
+ break;
+ }
+ }
+
+ TCHECK(hdr->magic_cookie);
+ mc = ntohl(hdr->magic_cookie);
+ if (mc != PPTP_MAGIC_COOKIE) {
+ printf(" UNEXPECTED Magic-Cookie!!(%08x)", mc);
+ }
+ if (vflag || mc != PPTP_MAGIC_COOKIE) {
+ printf(" Magic-Cookie=%08x", mc);
+ }
+ TCHECK(hdr->ctrl_msg_type);
+ ctrl_msg_type = ntohs(hdr->ctrl_msg_type);
+ if (ctrl_msg_type < PPTP_MAX_MSGTYPE_INDEX) {
+ printf(" CTRL_MSGTYPE=%s",
+ pptp_message_type_string[ctrl_msg_type]);
+ } else {
+ printf(" UNKNOWN_CTRL_MSGTYPE(%u)", ctrl_msg_type);
+ }
+ TCHECK(hdr->reserved0);
+
+ dat += 12;
+
+ switch(ctrl_msg_type) {
+ case PPTP_CTRL_MSG_TYPE_SCCRQ:
+ pptp_sccrq_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_SCCRP:
+ pptp_sccrp_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_StopCCRQ:
+ pptp_stopccrq_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_StopCCRP:
+ pptp_stopccrp_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_ECHORQ:
+ pptp_echorq_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_ECHORP:
+ pptp_echorp_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_OCRQ:
+ pptp_ocrq_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_OCRP:
+ pptp_ocrp_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_ICRQ:
+ pptp_icrq_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_ICRP:
+ pptp_icrp_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_ICCN:
+ pptp_iccn_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_CCRQ:
+ pptp_ccrq_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_CDN:
+ pptp_cdn_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_WEN:
+ pptp_wen_print(dat);
+ break;
+ case PPTP_CTRL_MSG_TYPE_SLI:
+ pptp_sli_print(dat);
+ break;
+ default:
+ /* do nothing */
+ break;
+ }
+
+ return;
+
+trunc:
+ printf("%s", tstr);
+}
projects / tcpdump / commitdiff
