*/
+/* \summary: Point-to-Point Tunnelling Protocol (PPTP) printer */
+/* specification: RFC 2637 */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
-#include <stdio.h>
-
-#include "interface.h"
+#include "netdissect.h"
#include "extract.h"
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-pptp.c,v 1.10 2003-11-15 00:39:36 guy Exp $";
-#endif
-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_CTRL_MSG_TYPE_WEN 14
#define PPTP_CTRL_MSG_TYPE_SLI 15
-#define PPTP_FRAMING_CAP_ASYNC_MASK 0x00000001 /* Aynchronous */
+#define PPTP_FRAMING_CAP_ASYNC_MASK 0x00000001 /* Asynchronous */
#define PPTP_FRAMING_CAP_SYNC_MASK 0x00000002 /* Synchronous */
#define PPTP_BEARER_CAP_ANALOG_MASK 0x00000001 /* Analog */
/* 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;
+ nd_uint16_t length;
+ nd_uint16_t msg_type;
+ nd_uint32_t magic_cookie;
+ nd_uint16_t ctrl_msg_type;
+ nd_uint16_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];
+ nd_uint16_t proto_ver;
+ nd_uint16_t reserved1;
+ nd_uint32_t framing_cap;
+ nd_uint32_t bearer_cap;
+ nd_uint16_t max_channel;
+ nd_uint16_t firm_rev;
+ nd_byte hostname[64];
+ nd_byte 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];
+ nd_uint16_t proto_ver;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_uint32_t framing_cap;
+ nd_uint32_t bearer_cap;
+ nd_uint16_t max_channel;
+ nd_uint16_t firm_rev;
+ nd_byte hostname[64];
+ nd_byte vendor[64];
};
struct pptp_msg_stopccrq {
- u_int8_t reason;
- u_int8_t reserved1;
- u_int16_t reserved2;
+ nd_uint8_t reason;
+ nd_uint8_t reserved1;
+ nd_uint16_t reserved2;
};
struct pptp_msg_stopccrp {
- u_int8_t result_code;
- u_int8_t err_code;
- u_int16_t reserved1;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_uint16_t reserved1;
};
struct pptp_msg_echorq {
- u_int32_t id;
+ nd_uint32_t id;
};
struct pptp_msg_echorp {
- u_int32_t id;
- u_int8_t result_code;
- u_int8_t err_code;
- u_int16_t reserved1;
+ nd_uint32_t id;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_uint16_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];
+ nd_uint16_t call_id;
+ nd_uint16_t call_ser;
+ nd_uint32_t min_bps;
+ nd_uint32_t max_bps;
+ nd_uint32_t bearer_type;
+ nd_uint32_t framing_type;
+ nd_uint16_t recv_winsiz;
+ nd_uint16_t pkt_proc_delay;
+ nd_uint16_t phone_no_len;
+ nd_uint16_t reserved1;
+ nd_byte phone_no[64];
+ nd_byte 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;
+ nd_uint16_t call_id;
+ nd_uint16_t peer_call_id;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_uint16_t cause_code;
+ nd_uint32_t conn_speed;
+ nd_uint16_t recv_winsiz;
+ nd_uint16_t pkt_proc_delay;
+ nd_uint32_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];
+ nd_uint16_t call_id;
+ nd_uint16_t call_ser;
+ nd_uint32_t bearer_type;
+ nd_uint32_t phy_chan_id;
+ nd_uint16_t dialed_no_len;
+ nd_uint16_t dialing_no_len;
+ nd_byte dialed_no[64]; /* DNIS */
+ nd_byte dialing_no[64]; /* CLID */
+ nd_byte 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;
+ nd_uint16_t call_id;
+ nd_uint16_t peer_call_id;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_uint16_t recv_winsiz;
+ nd_uint16_t pkt_proc_delay;
+ nd_uint16_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;
+ nd_uint16_t peer_call_id;
+ nd_uint16_t reserved1;
+ nd_uint32_t conn_speed;
+ nd_uint16_t recv_winsiz;
+ nd_uint16_t pkt_proc_delay;
+ nd_uint32_t framing_type;
};
struct pptp_msg_ccrq {
- u_int16_t call_id;
- u_int16_t reserved1;
+ nd_uint16_t call_id;
+ nd_uint16_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];
+ nd_uint16_t call_id;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_uint16_t cause_code;
+ nd_uint16_t reserved1;
+ nd_byte 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;
+ nd_uint16_t peer_call_id;
+ nd_uint16_t reserved1;
+ nd_uint32_t crc_err;
+ nd_uint32_t framing_err;
+ nd_uint32_t hardware_overrun;
+ nd_uint32_t buffer_overrun;
+ nd_uint32_t timeout_err;
+ nd_uint32_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;
+ nd_uint16_t peer_call_id;
+ nd_uint16_t reserved1;
+ nd_uint32_t send_accm;
+ nd_uint32_t recv_accm;
};
/* attributes that appear more than once in above messages:
Number of
- occurence attributes
+ occurrence 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 uint32_t bearer_cap;
+ 2 uint32_t bearer_type;
+ 6 uint16_t call_id;
+ 2 uint16_t call_ser;
+ 2 uint16_t cause_code;
+ 2 uint32_t conn_speed;
+ 6 uint8_t err_code;
+ 2 uint16_t firm_rev;
+ 2 uint32_t framing_cap;
+ 2 uint32_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 uint32_t id;
+ 2 uint16_t max_channel;
+ 5 uint16_t peer_call_id;
+ 2 uint32_t phy_chan_id;
+ 4 uint16_t pkt_proc_delay;
+ 2 uint16_t proto_ver;
+ 4 uint16_t recv_winsiz;
+ 2 uint8_t reserved1;
+ 9 uint16_t reserved1;
+ 6 uint8_t result_code;
2 u_char subaddr[64];
2 u_char vendor[64];
reserved*).
*/
+#define PRINT_RESERVED_IF_NOT_ZERO_1(reserved) \
+ if (GET_U_1(reserved)) \
+ ND_PRINT(" [ERROR: reserved=%u must be zero]", \
+ GET_U_1(reserved));
+
+#define PRINT_RESERVED_IF_NOT_ZERO_2(reserved) \
+ if (GET_BE_U_2(reserved)) \
+ ND_PRINT(" [ERROR: reserved=%u must be zero]", \
+ GET_BE_U_2(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)
+pptp_bearer_cap_print(netdissect_options *ndo,
+ const nd_uint32_t bearer_cap)
{
- printf(" BEARER_CAP(");
- if (EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_DIGITAL_MASK) {
- printf("D");
- }
- if (EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_ANALOG_MASK) {
- printf("A");
- }
- printf(")");
+ ND_PRINT(" BEARER_CAP(%s%s)",
+ GET_BE_U_4(bearer_cap) & PPTP_BEARER_CAP_DIGITAL_MASK ? "D" : "",
+ GET_BE_U_4(bearer_cap) & PPTP_BEARER_CAP_ANALOG_MASK ? "A" : "");
}
+static const struct tok pptp_btype_str[] = {
+ { 1, "A" }, /* Analog */
+ { 2, "D" }, /* Digital */
+ { 3, "Any" },
+ { 0, NULL }
+};
+
static void
-pptp_bearer_type_print(const u_int32_t *bearer_type)
+pptp_bearer_type_print(netdissect_options *ndo,
+ const nd_uint32_t bearer_type)
{
- printf(" BEARER_TYPE(");
- switch (EXTRACT_32BITS(bearer_type)) {
- case 1:
- printf("A"); /* Analog */
- break;
- case 2:
- printf("D"); /* Digital */
- break;
- case 3:
- printf("Any");
- break;
- default:
- printf("?");
- break;
- }
- printf(")");
+ ND_PRINT(" BEARER_TYPE(%s)",
+ tok2str(pptp_btype_str, "?", GET_BE_U_4(bearer_type)));
}
static void
-pptp_call_id_print(const u_int16_t *call_id)
+pptp_call_id_print(netdissect_options *ndo,
+ const nd_uint16_t call_id)
{
- printf(" CALL_ID(%u)", EXTRACT_16BITS(call_id));
+ ND_PRINT(" CALL_ID(%u)", GET_BE_U_2(call_id));
}
static void
-pptp_call_ser_print(const u_int16_t *call_ser)
+pptp_call_ser_print(netdissect_options *ndo,
+ const nd_uint16_t call_ser)
{
- printf(" CALL_SER_NUM(%u)", EXTRACT_16BITS(call_ser));
+ ND_PRINT(" CALL_SER_NUM(%u)", GET_BE_U_2(call_ser));
}
static void
-pptp_cause_code_print(const u_int16_t *cause_code)
+pptp_cause_code_print(netdissect_options *ndo,
+ const nd_uint16_t cause_code)
{
- printf(" CAUSE_CODE(%u)", EXTRACT_16BITS(cause_code));
+ ND_PRINT(" CAUSE_CODE(%u)", GET_BE_U_2(cause_code));
}
static void
-pptp_conn_speed_print(const u_int32_t *conn_speed)
+pptp_conn_speed_print(netdissect_options *ndo,
+ const nd_uint32_t conn_speed)
{
- printf(" CONN_SPEED(%u)", EXTRACT_32BITS(conn_speed));
+ ND_PRINT(" CONN_SPEED(%u)", GET_BE_U_4(conn_speed));
}
+static const struct tok pptp_errcode_str[] = {
+ { 0, "None" },
+ { 1, "Not-Connected" },
+ { 2, "Bad-Format" },
+ { 3, "Bad-Value" },
+ { 4, "No-Resource" },
+ { 5, "Bad-Call-ID" },
+ { 6, "PAC-Error" },
+ { 0, NULL }
+};
+
static void
-pptp_err_code_print(const u_int8_t *err_code)
+pptp_err_code_print(netdissect_options *ndo,
+ const nd_uint8_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;
- }
+ ND_PRINT(" ERR_CODE(%u", GET_U_1(err_code));
+ if (ndo->ndo_vflag) {
+ ND_PRINT(":%s",
+ tok2str(pptp_errcode_str, "?", GET_U_1(err_code)));
}
- printf(")");
+ ND_PRINT(")");
}
static void
-pptp_firm_rev_print(const u_int16_t *firm_rev)
+pptp_firm_rev_print(netdissect_options *ndo,
+ const nd_uint16_t firm_rev)
{
- printf(" FIRM_REV(%u)", EXTRACT_16BITS(firm_rev));
+ ND_PRINT(" FIRM_REV(%u)", GET_BE_U_2(firm_rev));
}
static void
-pptp_framing_cap_print(const u_int32_t *framing_cap)
+pptp_framing_cap_print(netdissect_options *ndo,
+ const nd_uint32_t framing_cap)
{
- printf(" FRAME_CAP(");
- if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_ASYNC_MASK) {
- printf("A"); /* Async */
+ ND_PRINT(" FRAME_CAP(");
+ if (GET_BE_U_4(framing_cap) & PPTP_FRAMING_CAP_ASYNC_MASK) {
+ ND_PRINT("A"); /* Async */
}
- if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_SYNC_MASK) {
- printf("S"); /* Sync */
+ if (GET_BE_U_4(framing_cap) & PPTP_FRAMING_CAP_SYNC_MASK) {
+ ND_PRINT("S"); /* Sync */
}
- printf(")");
+ ND_PRINT(")");
}
+static const struct tok pptp_ftype_str[] = {
+ { 1, "A" }, /* Async */
+ { 2, "S" }, /* Sync */
+ { 3, "E" }, /* Either */
+ { 0, NULL }
+};
+
static void
-pptp_framing_type_print(const u_int32_t *framing_type)
+pptp_framing_type_print(netdissect_options *ndo,
+ const nd_uint32_t framing_type)
{
- printf(" FRAME_TYPE(");
- switch (EXTRACT_32BITS(framing_type)) {
- case 1:
- printf("A"); /* Async */
- break;
- case 2:
- printf("S"); /* Sync */
- break;
- case 3:
- printf("E"); /* Either */
- break;
- default:
- printf("?");
- break;
- }
- printf(")");
+ ND_PRINT(" FRAME_TYPE(%s)",
+ tok2str(pptp_ftype_str, "?", GET_BE_U_4(framing_type)));
}
static void
-pptp_hostname_print(const u_char *hostname)
+pptp_hostname_print(netdissect_options *ndo,
+ const u_char *hostname)
{
- printf(" HOSTNAME(%.64s)", hostname);
+ ND_PRINT(" HOSTNAME(");
+ nd_printjnp(ndo, hostname, 64);
+ ND_PRINT(")");
}
static void
-pptp_id_print(const u_int32_t *id)
+pptp_id_print(netdissect_options *ndo,
+ const nd_uint32_t id)
{
- printf(" ID(%u)", EXTRACT_32BITS(id));
+ ND_PRINT(" ID(%u)", GET_BE_U_4(id));
}
static void
-pptp_max_channel_print(const u_int16_t *max_channel)
+pptp_max_channel_print(netdissect_options *ndo,
+ const nd_uint16_t max_channel)
{
- printf(" MAX_CHAN(%u)", EXTRACT_16BITS(max_channel));
+ ND_PRINT(" MAX_CHAN(%u)", GET_BE_U_2(max_channel));
}
static void
-pptp_peer_call_id_print(const u_int16_t *peer_call_id)
+pptp_peer_call_id_print(netdissect_options *ndo,
+ const nd_uint16_t peer_call_id)
{
- printf(" PEER_CALL_ID(%u)", EXTRACT_16BITS(peer_call_id));
+ ND_PRINT(" PEER_CALL_ID(%u)", GET_BE_U_2(peer_call_id));
}
static void
-pptp_phy_chan_id_print(const u_int32_t *phy_chan_id)
+pptp_phy_chan_id_print(netdissect_options *ndo,
+ const nd_uint32_t phy_chan_id)
{
- printf(" PHY_CHAN_ID(%u)", EXTRACT_32BITS(phy_chan_id));
+ ND_PRINT(" PHY_CHAN_ID(%u)", GET_BE_U_4(phy_chan_id));
}
static void
-pptp_pkt_proc_delay_print(const u_int16_t *pkt_proc_delay)
+pptp_pkt_proc_delay_print(netdissect_options *ndo,
+ const nd_uint16_t pkt_proc_delay)
{
- printf(" PROC_DELAY(%u)", EXTRACT_16BITS(pkt_proc_delay));
+ ND_PRINT(" PROC_DELAY(%u)", GET_BE_U_2(pkt_proc_delay));
}
static void
-pptp_proto_ver_print(const u_int16_t *proto_ver)
+pptp_proto_ver_print(netdissect_options *ndo,
+ const nd_uint16_t proto_ver)
{
- printf(" PROTO_VER(%u.%u)", /* Version.Revision */
- EXTRACT_16BITS(proto_ver) >> 8,
- EXTRACT_16BITS(proto_ver) & 0xff);
+ ND_PRINT(" PROTO_VER(%u.%u)", /* Version.Revision */
+ GET_BE_U_2(proto_ver) >> 8,
+ GET_BE_U_2(proto_ver) & 0xff);
}
static void
-pptp_recv_winsiz_print(const u_int16_t *recv_winsiz)
+pptp_recv_winsiz_print(netdissect_options *ndo,
+ const nd_uint16_t recv_winsiz)
{
- printf(" RECV_WIN(%u)", EXTRACT_16BITS(recv_winsiz));
+ ND_PRINT(" RECV_WIN(%u)", GET_BE_U_2(recv_winsiz));
}
+static const struct tok pptp_scrrp_str[] = {
+ { 1, "Successful channel establishment" },
+ { 2, "General error" },
+ { 3, "Command channel already exists" },
+ { 4, "Requester is not authorized to establish a command channel" },
+ { 5, "The protocol version of the requester is not supported" },
+ { 0, NULL }
+};
+
+static const struct tok pptp_echorp_str[] = {
+ { 1, "OK" },
+ { 2, "General Error" },
+ { 0, NULL }
+};
+
+static const struct tok pptp_ocrp_str[] = {
+ { 1, "Connected" },
+ { 2, "General Error" },
+ { 3, "No Carrier" },
+ { 4, "Busy" },
+ { 5, "No Dial Tone" },
+ { 6, "Time-out" },
+ { 7, "Do Not Accept" },
+ { 0, NULL }
+};
+
+static const struct tok pptp_icrp_str[] = {
+ { 1, "Connect" },
+ { 2, "General Error" },
+ { 3, "Do Not Accept" },
+ { 0, NULL }
+};
+
+static const struct tok pptp_cdn_str[] = {
+ { 1, "Lost Carrier" },
+ { 2, "General Error" },
+ { 3, "Admin Shutdown" },
+ { 4, "Request" },
+ { 0, NULL }
+};
+
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;
- }
+pptp_result_code_print(netdissect_options *ndo,
+ const nd_uint8_t result_code, int ctrl_msg_type)
+{
+ ND_PRINT(" RESULT_CODE(%u", GET_U_1(result_code));
+ if (ndo->ndo_vflag) {
+ const struct tok *dict =
+ ctrl_msg_type == PPTP_CTRL_MSG_TYPE_SCCRP ? pptp_scrrp_str :
+ ctrl_msg_type == PPTP_CTRL_MSG_TYPE_StopCCRP ? pptp_echorp_str :
+ ctrl_msg_type == PPTP_CTRL_MSG_TYPE_ECHORP ? pptp_echorp_str :
+ ctrl_msg_type == PPTP_CTRL_MSG_TYPE_OCRP ? pptp_ocrp_str :
+ ctrl_msg_type == PPTP_CTRL_MSG_TYPE_ICRP ? pptp_icrp_str :
+ ctrl_msg_type == PPTP_CTRL_MSG_TYPE_CDN ? pptp_cdn_str :
+ NULL; /* assertion error */
+ if (dict != NULL)
+ ND_PRINT(":%s",
+ tok2str(dict, "?", GET_U_1(result_code)));
}
- printf(")");
+ ND_PRINT(")");
}
static void
-pptp_subaddr_print(const u_char *subaddr)
+pptp_subaddr_print(netdissect_options *ndo,
+ const u_char *subaddr)
{
- printf(" SUB_ADDR(%.64s)", subaddr);
+ ND_PRINT(" SUB_ADDR(");
+ nd_printjnp(ndo, subaddr, 64);
+ ND_PRINT(")");
}
static void
-pptp_vendor_print(const u_char *vendor)
+pptp_vendor_print(netdissect_options *ndo,
+ const u_char *vendor)
{
- printf(" VENDOR(%.64s)", vendor);
+ ND_PRINT(" VENDOR(");
+ nd_printjnp(ndo, vendor, 64);
+ ND_PRINT(")");
}
/************************************/
/* PPTP message print out functions */
/************************************/
static void
-pptp_sccrq_print(const u_char *dat)
+pptp_sccrq_print(netdissect_options *ndo,
+ 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);
+ const struct pptp_msg_sccrq *ptr = (const struct pptp_msg_sccrq *)dat;
+
+ pptp_proto_ver_print(ndo, ptr->proto_ver);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
+ pptp_framing_cap_print(ndo, ptr->framing_cap);
+ pptp_bearer_cap_print(ndo, ptr->bearer_cap);
+ pptp_max_channel_print(ndo, ptr->max_channel);
+ pptp_firm_rev_print(ndo, ptr->firm_rev);
+ pptp_hostname_print(ndo, ptr->hostname);
+ pptp_vendor_print(ndo, ptr->vendor);
}
static void
-pptp_sccrp_print(const u_char *dat)
+pptp_sccrp_print(netdissect_options *ndo,
+ 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);
+ const struct pptp_msg_sccrp *ptr = (const struct pptp_msg_sccrp *)dat;
+
+ pptp_proto_ver_print(ndo, ptr->proto_ver);
+ pptp_result_code_print(ndo, ptr->result_code, PPTP_CTRL_MSG_TYPE_SCCRP);
+ pptp_err_code_print(ndo, ptr->err_code);
+ pptp_framing_cap_print(ndo, ptr->framing_cap);
+ pptp_bearer_cap_print(ndo, ptr->bearer_cap);
+ pptp_max_channel_print(ndo, ptr->max_channel);
+ pptp_firm_rev_print(ndo, ptr->firm_rev);
+ pptp_hostname_print(ndo, ptr->hostname);
+ pptp_vendor_print(ndo, ptr->vendor);
}
static void
-pptp_stopccrq_print(const u_char *dat)
+pptp_stopccrq_print(netdissect_options *ndo,
+ const u_char *dat)
{
- struct pptp_msg_stopccrq *ptr = (struct pptp_msg_stopccrq *)dat;
+ const struct pptp_msg_stopccrq *ptr = (const struct pptp_msg_stopccrq *)dat;
- TCHECK(ptr->reason);
- printf(" REASON(%u", ptr->reason);
- if (vflag) {
- switch (ptr->reason) {
+ ND_PRINT(" REASON(%u", GET_U_1(ptr->reason));
+ if (ndo->ndo_vflag) {
+ switch (GET_U_1(ptr->reason)) {
case 1:
- printf(":None");
+ ND_PRINT(":None");
break;
case 2:
- printf(":Stop-Protocol");
+ ND_PRINT(":Stop-Protocol");
break;
case 3:
- printf(":Stop-Local-Shutdown");
+ ND_PRINT(":Stop-Local-Shutdown");
break;
default:
- printf(":?");
+ ND_PRINT(":?");
break;
}
}
- printf(")");
- TCHECK(ptr->reserved1);
- TCHECK(ptr->reserved2);
-
- return;
-
-trunc:
- printf("%s", tstr);
+ ND_PRINT(")");
+ PRINT_RESERVED_IF_NOT_ZERO_1(ptr->reserved1);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved2);
}
static void
-pptp_stopccrp_print(const u_char *dat)
+pptp_stopccrp_print(netdissect_options *ndo,
+ 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;
+ const struct pptp_msg_stopccrp *ptr = (const struct pptp_msg_stopccrp *)dat;
-trunc:
- printf("%s", tstr);
+ pptp_result_code_print(ndo, ptr->result_code, PPTP_CTRL_MSG_TYPE_StopCCRP);
+ pptp_err_code_print(ndo, ptr->err_code);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
}
static void
-pptp_echorq_print(const u_char *dat)
+pptp_echorq_print(netdissect_options *ndo,
+ const u_char *dat)
{
- struct pptp_msg_echorq *ptr = (struct pptp_msg_echorq *)dat;
-
- TCHECK(ptr->id);
- pptp_id_print(&ptr->id);
-
- return;
+ const struct pptp_msg_echorq *ptr = (const struct pptp_msg_echorq *)dat;
-trunc:
- printf("%s", tstr);
+ pptp_id_print(ndo, ptr->id);
}
static void
-pptp_echorp_print(const u_char *dat)
+pptp_echorp_print(netdissect_options *ndo,
+ const u_char *dat)
{
- struct pptp_msg_echorp *ptr = (struct pptp_msg_echorp *)dat;
+ const struct pptp_msg_echorp *ptr = (const 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);
+ pptp_id_print(ndo, ptr->id);
+ pptp_result_code_print(ndo, ptr->result_code, PPTP_CTRL_MSG_TYPE_ECHORP);
+ pptp_err_code_print(ndo, ptr->err_code);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
}
static void
-pptp_ocrq_print(const u_char *dat)
+pptp_ocrq_print(netdissect_options *ndo,
+ 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(%u)", EXTRACT_32BITS(&ptr->min_bps));
- TCHECK(ptr->max_bps);
- printf(" MAX_BPS(%u)", EXTRACT_32BITS(&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)", EXTRACT_16BITS(&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);
+ const struct pptp_msg_ocrq *ptr = (const struct pptp_msg_ocrq *)dat;
+
+ pptp_call_id_print(ndo, ptr->call_id);
+ pptp_call_ser_print(ndo, ptr->call_ser);
+ ND_PRINT(" MIN_BPS(%u)", GET_BE_U_4(ptr->min_bps));
+ ND_PRINT(" MAX_BPS(%u)", GET_BE_U_4(ptr->max_bps));
+ pptp_bearer_type_print(ndo, ptr->bearer_type);
+ pptp_framing_type_print(ndo, ptr->framing_type);
+ pptp_recv_winsiz_print(ndo, ptr->recv_winsiz);
+ pptp_pkt_proc_delay_print(ndo, ptr->pkt_proc_delay);
+ ND_PRINT(" PHONE_NO_LEN(%u)", GET_BE_U_2(ptr->phone_no_len));
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
+ ND_PRINT(" PHONE_NO(");
+ nd_printjnp(ndo, ptr->phone_no,
+ ND_MIN(64, GET_BE_U_2(ptr->phone_no_len)));
+ ND_PRINT(")");
+ pptp_subaddr_print(ndo, ptr->subaddr);
}
static void
-pptp_ocrp_print(const u_char *dat)
+pptp_ocrp_print(netdissect_options *ndo,
+ 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);
+ const struct pptp_msg_ocrp *ptr = (const struct pptp_msg_ocrp *)dat;
+
+ pptp_call_id_print(ndo, ptr->call_id);
+ pptp_peer_call_id_print(ndo, ptr->peer_call_id);
+ pptp_result_code_print(ndo, ptr->result_code, PPTP_CTRL_MSG_TYPE_OCRP);
+ pptp_err_code_print(ndo, ptr->err_code);
+ pptp_cause_code_print(ndo, ptr->cause_code);
+ pptp_conn_speed_print(ndo, ptr->conn_speed);
+ pptp_recv_winsiz_print(ndo, ptr->recv_winsiz);
+ pptp_pkt_proc_delay_print(ndo, ptr->pkt_proc_delay);
+ pptp_phy_chan_id_print(ndo, ptr->phy_chan_id);
}
static void
-pptp_icrq_print(const u_char *dat)
+pptp_icrq_print(netdissect_options *ndo,
+ 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)", EXTRACT_16BITS(&ptr->dialed_no_len));
- TCHECK(ptr->dialing_no_len);
- printf(" DIALING_NO_LEN(%u)", EXTRACT_16BITS(&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);
+ const struct pptp_msg_icrq *ptr = (const struct pptp_msg_icrq *)dat;
+
+ pptp_call_id_print(ndo, ptr->call_id);
+ pptp_call_ser_print(ndo, ptr->call_ser);
+ pptp_bearer_type_print(ndo, ptr->bearer_type);
+ pptp_phy_chan_id_print(ndo, ptr->phy_chan_id);
+ ND_PRINT(" DIALED_NO_LEN(%u)", GET_BE_U_2(ptr->dialed_no_len));
+ ND_PRINT(" DIALING_NO_LEN(%u)", GET_BE_U_2(ptr->dialing_no_len));
+ ND_PRINT(" DIALED_NO(");
+ nd_printjnp(ndo, ptr->dialed_no,
+ ND_MIN(64, GET_BE_U_2(ptr->dialed_no_len)));
+ ND_PRINT(")");
+ ND_PRINT(" DIALING_NO(");
+ nd_printjnp(ndo, ptr->dialing_no,
+ ND_MIN(64, GET_BE_U_2(ptr->dialing_no_len)));
+ ND_PRINT(")");
+ pptp_subaddr_print(ndo, ptr->subaddr);
}
static void
-pptp_icrp_print(const u_char *dat)
+pptp_icrp_print(netdissect_options *ndo,
+ 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);
+ const struct pptp_msg_icrp *ptr = (const struct pptp_msg_icrp *)dat;
+
+ pptp_call_id_print(ndo, ptr->call_id);
+ pptp_peer_call_id_print(ndo, ptr->peer_call_id);
+ pptp_result_code_print(ndo, ptr->result_code, PPTP_CTRL_MSG_TYPE_ICRP);
+ pptp_err_code_print(ndo, ptr->err_code);
+ pptp_recv_winsiz_print(ndo, ptr->recv_winsiz);
+ pptp_pkt_proc_delay_print(ndo, ptr->pkt_proc_delay);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
}
static void
-pptp_iccn_print(const u_char *dat)
+pptp_iccn_print(netdissect_options *ndo,
+ 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);
+ const struct pptp_msg_iccn *ptr = (const struct pptp_msg_iccn *)dat;
+
+ pptp_peer_call_id_print(ndo, ptr->peer_call_id);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
+ pptp_conn_speed_print(ndo, ptr->conn_speed);
+ pptp_recv_winsiz_print(ndo, ptr->recv_winsiz);
+ pptp_pkt_proc_delay_print(ndo, ptr->pkt_proc_delay);
+ pptp_framing_type_print(ndo, ptr->framing_type);
}
static void
-pptp_ccrq_print(const u_char *dat)
+pptp_ccrq_print(netdissect_options *ndo,
+ 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);
+ const struct pptp_msg_ccrq *ptr = (const struct pptp_msg_ccrq *)dat;
- return;
-
-trunc:
- printf("%s", tstr);
+ pptp_call_id_print(ndo, ptr->call_id);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
}
static void
-pptp_cdn_print(const u_char *dat)
+pptp_cdn_print(netdissect_options *ndo,
+ 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);
+ const struct pptp_msg_cdn *ptr = (const struct pptp_msg_cdn *)dat;
+
+ pptp_call_id_print(ndo, ptr->call_id);
+ pptp_result_code_print(ndo, ptr->result_code, PPTP_CTRL_MSG_TYPE_CDN);
+ pptp_err_code_print(ndo, ptr->err_code);
+ pptp_cause_code_print(ndo, ptr->cause_code);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
+ ND_PRINT(" CALL_STATS(");
+ nd_printjnp(ndo, ptr->call_stats, 128);
+ ND_PRINT(")");
}
static void
-pptp_wen_print(const u_char *dat)
+pptp_wen_print(netdissect_options *ndo,
+ 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(%u)", EXTRACT_32BITS(&ptr->crc_err));
- TCHECK(ptr->framing_err);
- printf(" FRAMING_ERR(%u)", EXTRACT_32BITS(&ptr->framing_err));
- TCHECK(ptr->hardware_overrun);
- printf(" HARDWARE_OVERRUN(%u)", EXTRACT_32BITS(&ptr->hardware_overrun));
- TCHECK(ptr->buffer_overrun);
- printf(" BUFFER_OVERRUN(%u)", EXTRACT_32BITS(&ptr->buffer_overrun));
- TCHECK(ptr->timeout_err);
- printf(" TIMEOUT_ERR(%u)", EXTRACT_32BITS(&ptr->timeout_err));
- TCHECK(ptr->align_err);
- printf(" ALIGN_ERR(%u)", EXTRACT_32BITS(&ptr->align_err));
-
- return;
-
-trunc:
- printf("%s", tstr);
+ const struct pptp_msg_wen *ptr = (const struct pptp_msg_wen *)dat;
+
+ pptp_peer_call_id_print(ndo, ptr->peer_call_id);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
+ ND_PRINT(" CRC_ERR(%u)", GET_BE_U_4(ptr->crc_err));
+ ND_PRINT(" FRAMING_ERR(%u)", GET_BE_U_4(ptr->framing_err));
+ ND_PRINT(" HARDWARE_OVERRUN(%u)", GET_BE_U_4(ptr->hardware_overrun));
+ ND_PRINT(" BUFFER_OVERRUN(%u)", GET_BE_U_4(ptr->buffer_overrun));
+ ND_PRINT(" TIMEOUT_ERR(%u)", GET_BE_U_4(ptr->timeout_err));
+ ND_PRINT(" ALIGN_ERR(%u)", GET_BE_U_4(ptr->align_err));
}
static void
-pptp_sli_print(const u_char *dat)
+pptp_sli_print(netdissect_options *ndo,
+ 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%08x)", EXTRACT_32BITS(&ptr->send_accm));
- TCHECK(ptr->recv_accm);
- printf(" RECV_ACCM(0x%08x)", EXTRACT_32BITS(&ptr->recv_accm));
-
- return;
+ const struct pptp_msg_sli *ptr = (const struct pptp_msg_sli *)dat;
-trunc:
- printf("%s", tstr);
+ pptp_peer_call_id_print(ndo, ptr->peer_call_id);
+ PRINT_RESERVED_IF_NOT_ZERO_2(ptr->reserved1);
+ ND_PRINT(" SEND_ACCM(0x%08x)", GET_BE_U_4(ptr->send_accm));
+ ND_PRINT(" RECV_ACCM(0x%08x)", GET_BE_U_4(ptr->recv_accm));
}
void
-pptp_print(const u_char *dat)
+pptp_print(netdissect_options *ndo,
+ const u_char *dat)
{
const struct pptp_hdr *hdr;
- u_int32_t mc;
- u_int16_t ctrl_msg_type;
+ uint32_t mc;
+ uint16_t ctrl_msg_type;
- printf(": pptp");
+ ndo->ndo_protocol = "pptp";
+ ND_PRINT(": ");
+ nd_print_protocol(ndo);
- hdr = (struct pptp_hdr *)dat;
+ hdr = (const struct pptp_hdr *)dat;
- TCHECK(hdr->length);
- if (vflag) {
- printf(" Length=%u", EXTRACT_16BITS(&hdr->length));
+ if (ndo->ndo_vflag) {
+ ND_PRINT(" Length=%u", GET_BE_U_2(hdr->length));
}
- TCHECK(hdr->msg_type);
- if (vflag) {
- switch(EXTRACT_16BITS(&hdr->msg_type)) {
+ if (ndo->ndo_vflag) {
+ switch(GET_BE_U_2(hdr->msg_type)) {
case PPTP_MSG_TYPE_CTRL:
- printf(" CTRL-MSG");
+ ND_PRINT(" CTRL-MSG");
break;
case PPTP_MSG_TYPE_MGMT:
- printf(" MGMT-MSG");
+ ND_PRINT(" MGMT-MSG");
break;
default:
- printf(" UNKNOWN-MSG-TYPE");
+ ND_PRINT(" UNKNOWN-MSG-TYPE");
break;
}
}
- TCHECK(hdr->magic_cookie);
- mc = EXTRACT_32BITS(&hdr->magic_cookie);
+ mc = GET_BE_U_4(hdr->magic_cookie);
if (mc != PPTP_MAGIC_COOKIE) {
- printf(" UNEXPECTED Magic-Cookie!!(%08x)", mc);
+ ND_PRINT(" UNEXPECTED Magic-Cookie!!(%08x)", mc);
}
- if (vflag || mc != PPTP_MAGIC_COOKIE) {
- printf(" Magic-Cookie=%08x", mc);
+ if (ndo->ndo_vflag || mc != PPTP_MAGIC_COOKIE) {
+ ND_PRINT(" Magic-Cookie=%08x", mc);
}
- TCHECK(hdr->ctrl_msg_type);
- ctrl_msg_type = EXTRACT_16BITS(&hdr->ctrl_msg_type);
+ ctrl_msg_type = GET_BE_U_2(hdr->ctrl_msg_type);
if (ctrl_msg_type < PPTP_MAX_MSGTYPE_INDEX) {
- printf(" CTRL_MSGTYPE=%s",
+ ND_PRINT(" CTRL_MSGTYPE=%s",
pptp_message_type_string[ctrl_msg_type]);
} else {
- printf(" UNKNOWN_CTRL_MSGTYPE(%u)", ctrl_msg_type);
+ ND_PRINT(" UNKNOWN_CTRL_MSGTYPE(%u)", ctrl_msg_type);
}
- TCHECK(hdr->reserved0);
+ PRINT_RESERVED_IF_NOT_ZERO_2(hdr->reserved0);
dat += 12;
switch(ctrl_msg_type) {
case PPTP_CTRL_MSG_TYPE_SCCRQ:
- pptp_sccrq_print(dat);
+ pptp_sccrq_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_SCCRP:
- pptp_sccrp_print(dat);
+ pptp_sccrp_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_StopCCRQ:
- pptp_stopccrq_print(dat);
+ pptp_stopccrq_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_StopCCRP:
- pptp_stopccrp_print(dat);
+ pptp_stopccrp_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_ECHORQ:
- pptp_echorq_print(dat);
+ pptp_echorq_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_ECHORP:
- pptp_echorp_print(dat);
+ pptp_echorp_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_OCRQ:
- pptp_ocrq_print(dat);
+ pptp_ocrq_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_OCRP:
- pptp_ocrp_print(dat);
+ pptp_ocrp_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_ICRQ:
- pptp_icrq_print(dat);
+ pptp_icrq_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_ICRP:
- pptp_icrp_print(dat);
+ pptp_icrp_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_ICCN:
- pptp_iccn_print(dat);
+ pptp_iccn_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_CCRQ:
- pptp_ccrq_print(dat);
+ pptp_ccrq_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_CDN:
- pptp_cdn_print(dat);
+ pptp_cdn_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_WEN:
- pptp_wen_print(dat);
+ pptp_wen_print(ndo, dat);
break;
case PPTP_CTRL_MSG_TYPE_SLI:
- pptp_sli_print(dat);
+ pptp_sli_print(ndo, dat);
break;
default:
/* do nothing */
break;
}
-
- return;
-
-trunc:
- printf("%s", tstr);
}
projects / tcpdump / blobdiff