*/
+/* \summary: Point-to-Point Tunnelling Protocol (PPTP) printer */
+
+/* specification: RFC 2637 */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* common for all PPTP control messages */
struct pptp_hdr {
- uint16_t length;
- uint16_t msg_type;
- uint32_t magic_cookie;
- uint16_t ctrl_msg_type;
- uint16_t reserved0;
+ nd_uint16_t length;
+ nd_uint16_t msg_type;
+ nd_uint32_t magic_cookie;
+ nd_uint16_t ctrl_msg_type;
+ nd_uint8_t reserved0[2];
};
struct pptp_msg_sccrq {
- uint16_t proto_ver;
- uint16_t reserved1;
- uint32_t framing_cap;
- uint32_t bearer_cap;
- uint16_t max_channel;
- uint16_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 {
- uint16_t proto_ver;
- uint8_t result_code;
- uint8_t err_code;
- uint32_t framing_cap;
- uint32_t bearer_cap;
- uint16_t max_channel;
- uint16_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 {
- uint8_t reason;
- uint8_t reserved1;
- uint16_t reserved2;
+ nd_uint8_t reason;
+ nd_byte reserved1[1];
+ nd_byte reserved2[2];
};
struct pptp_msg_stopccrp {
- uint8_t result_code;
- uint8_t err_code;
- uint16_t reserved1;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_byte reserved1[2];
};
struct pptp_msg_echorq {
- uint32_t id;
+ nd_uint32_t id;
};
struct pptp_msg_echorp {
- uint32_t id;
- uint8_t result_code;
- uint8_t err_code;
- uint16_t reserved1;
+ nd_uint32_t id;
+ nd_uint8_t result_code;
+ nd_uint8_t err_code;
+ nd_byte reserved1[2];
};
struct pptp_msg_ocrq {
- uint16_t call_id;
- uint16_t call_ser;
- uint32_t min_bps;
- uint32_t max_bps;
- uint32_t bearer_type;
- uint32_t framing_type;
- uint16_t recv_winsiz;
- uint16_t pkt_proc_delay;
- uint16_t phone_no_len;
- uint16_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 {
- uint16_t call_id;
- uint16_t peer_call_id;
- uint8_t result_code;
- uint8_t err_code;
- uint16_t cause_code;
- uint32_t conn_speed;
- uint16_t recv_winsiz;
- uint16_t pkt_proc_delay;
- uint32_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 {
- uint16_t call_id;
- uint16_t call_ser;
- uint32_t bearer_type;
- uint32_t phy_chan_id;
- uint16_t dialed_no_len;
- uint16_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 {
- uint16_t call_id;
- uint16_t peer_call_id;
- uint8_t result_code;
- uint8_t err_code;
- uint16_t recv_winsiz;
- uint16_t pkt_proc_delay;
- uint16_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_byte reserved1[2];
};
struct pptp_msg_iccn {
- uint16_t peer_call_id;
- uint16_t reserved1;
- uint32_t conn_speed;
- uint16_t recv_winsiz;
- uint16_t pkt_proc_delay;
- uint32_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 {
- uint16_t call_id;
- uint16_t reserved1;
+ nd_uint16_t call_id;
+ nd_uint16_t reserved1;
};
struct pptp_msg_cdn {
- uint16_t call_id;
- uint8_t result_code;
- uint8_t err_code;
- uint16_t cause_code;
- uint16_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 {
- uint16_t peer_call_id;
- uint16_t reserved1;
- uint32_t crc_err;
- uint32_t framing_err;
- uint32_t hardware_overrun;
- uint32_t buffer_overrun;
- uint32_t timeout_err;
- uint32_t align_err;
+ nd_uint16_t peer_call_id;
+ nd_byte reserved1[2];
+ 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 {
- uint16_t peer_call_id;
- uint16_t reserved1;
- uint32_t send_accm;
- uint32_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:
static void
pptp_bearer_cap_print(netdissect_options *ndo,
- const uint32_t *bearer_cap)
+ const nd_uint32_t *bearer_cap)
{
ND_PRINT((ndo, " BEARER_CAP(%s%s)",
- EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_DIGITAL_MASK ? "D" : "",
- EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_ANALOG_MASK ? "A" : ""));
+ EXTRACT_BE_U_4(*bearer_cap) & PPTP_BEARER_CAP_DIGITAL_MASK ? "D" : "",
+ EXTRACT_BE_U_4(*bearer_cap) & PPTP_BEARER_CAP_ANALOG_MASK ? "A" : ""));
}
static const struct tok pptp_btype_str[] = {
static void
pptp_bearer_type_print(netdissect_options *ndo,
- const uint32_t *bearer_type)
+ const nd_uint32_t *bearer_type)
{
ND_PRINT((ndo, " BEARER_TYPE(%s)",
- tok2str(pptp_btype_str, "?", EXTRACT_32BITS(bearer_type))));
+ tok2str(pptp_btype_str, "?", EXTRACT_BE_U_4(*bearer_type))));
}
static void
pptp_call_id_print(netdissect_options *ndo,
- const uint16_t *call_id)
+ const nd_uint16_t *call_id)
{
- ND_PRINT((ndo, " CALL_ID(%u)", EXTRACT_16BITS(call_id)));
+ ND_PRINT((ndo, " CALL_ID(%u)", EXTRACT_BE_U_2(*call_id)));
}
static void
pptp_call_ser_print(netdissect_options *ndo,
- const uint16_t *call_ser)
+ const nd_uint16_t *call_ser)
{
- ND_PRINT((ndo, " CALL_SER_NUM(%u)", EXTRACT_16BITS(call_ser)));
+ ND_PRINT((ndo, " CALL_SER_NUM(%u)", EXTRACT_BE_U_2(*call_ser)));
}
static void
pptp_cause_code_print(netdissect_options *ndo,
- const uint16_t *cause_code)
+ const nd_uint16_t *cause_code)
{
- ND_PRINT((ndo, " CAUSE_CODE(%u)", EXTRACT_16BITS(cause_code)));
+ ND_PRINT((ndo, " CAUSE_CODE(%u)", EXTRACT_BE_U_2(*cause_code)));
}
static void
pptp_conn_speed_print(netdissect_options *ndo,
- const uint32_t *conn_speed)
+ const nd_uint32_t *conn_speed)
{
- ND_PRINT((ndo, " CONN_SPEED(%u)", EXTRACT_32BITS(conn_speed)));
+ ND_PRINT((ndo, " CONN_SPEED(%u)", EXTRACT_BE_U_4(*conn_speed)));
}
static const struct tok pptp_errcode_str[] = {
static void
pptp_err_code_print(netdissect_options *ndo,
- const uint8_t *err_code)
+ const nd_uint8_t *err_code)
{
- ND_PRINT((ndo, " ERR_CODE(%u", *err_code));
+ ND_PRINT((ndo, " ERR_CODE(%u", EXTRACT_U_1(*err_code)));
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, ":%s", tok2str(pptp_errcode_str, "?", *err_code)));
+ ND_PRINT((ndo, ":%s", tok2str(pptp_errcode_str, "?", EXTRACT_U_1(*err_code))));
}
ND_PRINT((ndo, ")"));
}
static void
pptp_firm_rev_print(netdissect_options *ndo,
- const uint16_t *firm_rev)
+ const nd_uint16_t *firm_rev)
{
- ND_PRINT((ndo, " FIRM_REV(%u)", EXTRACT_16BITS(firm_rev)));
+ ND_PRINT((ndo, " FIRM_REV(%u)", EXTRACT_BE_U_2(*firm_rev)));
}
static void
pptp_framing_cap_print(netdissect_options *ndo,
- const uint32_t *framing_cap)
+ const nd_uint32_t *framing_cap)
{
ND_PRINT((ndo, " FRAME_CAP("));
- if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_ASYNC_MASK) {
+ if (EXTRACT_BE_U_4(*framing_cap) & PPTP_FRAMING_CAP_ASYNC_MASK) {
ND_PRINT((ndo, "A")); /* Async */
}
- if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_SYNC_MASK) {
+ if (EXTRACT_BE_U_4(*framing_cap) & PPTP_FRAMING_CAP_SYNC_MASK) {
ND_PRINT((ndo, "S")); /* Sync */
}
ND_PRINT((ndo, ")"));
static void
pptp_framing_type_print(netdissect_options *ndo,
- const uint32_t *framing_type)
+ const nd_uint32_t *framing_type)
{
ND_PRINT((ndo, " FRAME_TYPE(%s)",
- tok2str(pptp_ftype_str, "?", EXTRACT_32BITS(framing_type))));
+ tok2str(pptp_ftype_str, "?", EXTRACT_BE_U_4(*framing_type))));
}
static void
static void
pptp_id_print(netdissect_options *ndo,
- const uint32_t *id)
+ const nd_uint32_t *id)
{
- ND_PRINT((ndo, " ID(%u)", EXTRACT_32BITS(id)));
+ ND_PRINT((ndo, " ID(%u)", EXTRACT_BE_U_4(*id)));
}
static void
pptp_max_channel_print(netdissect_options *ndo,
- const uint16_t *max_channel)
+ const nd_uint16_t *max_channel)
{
- ND_PRINT((ndo, " MAX_CHAN(%u)", EXTRACT_16BITS(max_channel)));
+ ND_PRINT((ndo, " MAX_CHAN(%u)", EXTRACT_BE_U_2(*max_channel)));
}
static void
pptp_peer_call_id_print(netdissect_options *ndo,
- const uint16_t *peer_call_id)
+ const nd_uint16_t *peer_call_id)
{
- ND_PRINT((ndo, " PEER_CALL_ID(%u)", EXTRACT_16BITS(peer_call_id)));
+ ND_PRINT((ndo, " PEER_CALL_ID(%u)", EXTRACT_BE_U_2(*peer_call_id)));
}
static void
pptp_phy_chan_id_print(netdissect_options *ndo,
- const uint32_t *phy_chan_id)
+ const nd_uint32_t *phy_chan_id)
{
- ND_PRINT((ndo, " PHY_CHAN_ID(%u)", EXTRACT_32BITS(phy_chan_id)));
+ ND_PRINT((ndo, " PHY_CHAN_ID(%u)", EXTRACT_BE_U_4(*phy_chan_id)));
}
static void
pptp_pkt_proc_delay_print(netdissect_options *ndo,
- const uint16_t *pkt_proc_delay)
+ const nd_uint16_t *pkt_proc_delay)
{
- ND_PRINT((ndo, " PROC_DELAY(%u)", EXTRACT_16BITS(pkt_proc_delay)));
+ ND_PRINT((ndo, " PROC_DELAY(%u)", EXTRACT_BE_U_2(*pkt_proc_delay)));
}
static void
pptp_proto_ver_print(netdissect_options *ndo,
- const uint16_t *proto_ver)
+ const nd_uint16_t *proto_ver)
{
ND_PRINT((ndo, " PROTO_VER(%u.%u)", /* Version.Revision */
- EXTRACT_16BITS(proto_ver) >> 8,
- EXTRACT_16BITS(proto_ver) & 0xff));
+ EXTRACT_BE_U_2(*proto_ver) >> 8,
+ EXTRACT_BE_U_2(*proto_ver) & 0xff));
}
static void
pptp_recv_winsiz_print(netdissect_options *ndo,
- const uint16_t *recv_winsiz)
+ const nd_uint16_t *recv_winsiz)
{
- ND_PRINT((ndo, " RECV_WIN(%u)", EXTRACT_16BITS(recv_winsiz)));
+ ND_PRINT((ndo, " RECV_WIN(%u)", EXTRACT_BE_U_2(*recv_winsiz)));
}
static const struct tok pptp_scrrp_str[] = {
static void
pptp_result_code_print(netdissect_options *ndo,
- const uint8_t *result_code, int ctrl_msg_type)
+ const nd_uint8_t *result_code, int ctrl_msg_type)
{
- ND_PRINT((ndo, " RESULT_CODE(%u", *result_code));
+ ND_PRINT((ndo, " RESULT_CODE(%u", EXTRACT_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_CDN ? pptp_cdn_str :
NULL; /* assertion error */
if (dict != NULL)
- ND_PRINT((ndo, ":%s", tok2str(dict, "?", *result_code)));
+ ND_PRINT((ndo, ":%s", tok2str(dict, "?", EXTRACT_U_1(*result_code))));
}
ND_PRINT((ndo, ")"));
}
const struct pptp_msg_stopccrq *ptr = (const struct pptp_msg_stopccrq *)dat;
ND_TCHECK(ptr->reason);
- ND_PRINT((ndo, " REASON(%u", ptr->reason));
+ ND_PRINT((ndo, " REASON(%u", EXTRACT_U_1(ptr->reason)));
if (ndo->ndo_vflag) {
- switch (ptr->reason) {
+ switch (EXTRACT_U_1(ptr->reason)) {
case 1:
ND_PRINT((ndo, ":None"));
break;
ND_TCHECK(ptr->call_ser);
pptp_call_ser_print(ndo, &ptr->call_ser);
ND_TCHECK(ptr->min_bps);
- ND_PRINT((ndo, " MIN_BPS(%u)", EXTRACT_32BITS(&ptr->min_bps)));
+ ND_PRINT((ndo, " MIN_BPS(%u)", EXTRACT_BE_U_4(ptr->min_bps)));
ND_TCHECK(ptr->max_bps);
- ND_PRINT((ndo, " MAX_BPS(%u)", EXTRACT_32BITS(&ptr->max_bps)));
+ ND_PRINT((ndo, " MAX_BPS(%u)", EXTRACT_BE_U_4(ptr->max_bps)));
ND_TCHECK(ptr->bearer_type);
pptp_bearer_type_print(ndo, &ptr->bearer_type);
ND_TCHECK(ptr->framing_type);
ND_TCHECK(ptr->pkt_proc_delay);
pptp_pkt_proc_delay_print(ndo, &ptr->pkt_proc_delay);
ND_TCHECK(ptr->phone_no_len);
- ND_PRINT((ndo, " PHONE_NO_LEN(%u)", EXTRACT_16BITS(&ptr->phone_no_len)));
+ ND_PRINT((ndo, " PHONE_NO_LEN(%u)", EXTRACT_BE_U_2(ptr->phone_no_len)));
ND_TCHECK(ptr->reserved1);
ND_TCHECK(ptr->phone_no);
ND_PRINT((ndo, " PHONE_NO(%.64s)", ptr->phone_no));
ND_TCHECK(ptr->phy_chan_id);
pptp_phy_chan_id_print(ndo, &ptr->phy_chan_id);
ND_TCHECK(ptr->dialed_no_len);
- ND_PRINT((ndo, " DIALED_NO_LEN(%u)", EXTRACT_16BITS(&ptr->dialed_no_len)));
+ ND_PRINT((ndo, " DIALED_NO_LEN(%u)", EXTRACT_BE_U_2(ptr->dialed_no_len)));
ND_TCHECK(ptr->dialing_no_len);
- ND_PRINT((ndo, " DIALING_NO_LEN(%u)", EXTRACT_16BITS(&ptr->dialing_no_len)));
+ ND_PRINT((ndo, " DIALING_NO_LEN(%u)", EXTRACT_BE_U_2(ptr->dialing_no_len)));
ND_TCHECK(ptr->dialed_no);
ND_PRINT((ndo, " DIALED_NO(%.64s)", ptr->dialed_no));
ND_TCHECK(ptr->dialing_no);
pptp_peer_call_id_print(ndo, &ptr->peer_call_id);
ND_TCHECK(ptr->reserved1);
ND_TCHECK(ptr->crc_err);
- ND_PRINT((ndo, " CRC_ERR(%u)", EXTRACT_32BITS(&ptr->crc_err)));
+ ND_PRINT((ndo, " CRC_ERR(%u)", EXTRACT_BE_U_4(ptr->crc_err)));
ND_TCHECK(ptr->framing_err);
- ND_PRINT((ndo, " FRAMING_ERR(%u)", EXTRACT_32BITS(&ptr->framing_err)));
+ ND_PRINT((ndo, " FRAMING_ERR(%u)", EXTRACT_BE_U_4(ptr->framing_err)));
ND_TCHECK(ptr->hardware_overrun);
- ND_PRINT((ndo, " HARDWARE_OVERRUN(%u)", EXTRACT_32BITS(&ptr->hardware_overrun)));
+ ND_PRINT((ndo, " HARDWARE_OVERRUN(%u)", EXTRACT_BE_U_4(ptr->hardware_overrun)));
ND_TCHECK(ptr->buffer_overrun);
- ND_PRINT((ndo, " BUFFER_OVERRUN(%u)", EXTRACT_32BITS(&ptr->buffer_overrun)));
+ ND_PRINT((ndo, " BUFFER_OVERRUN(%u)", EXTRACT_BE_U_4(ptr->buffer_overrun)));
ND_TCHECK(ptr->timeout_err);
- ND_PRINT((ndo, " TIMEOUT_ERR(%u)", EXTRACT_32BITS(&ptr->timeout_err)));
+ ND_PRINT((ndo, " TIMEOUT_ERR(%u)", EXTRACT_BE_U_4(ptr->timeout_err)));
ND_TCHECK(ptr->align_err);
- ND_PRINT((ndo, " ALIGN_ERR(%u)", EXTRACT_32BITS(&ptr->align_err)));
+ ND_PRINT((ndo, " ALIGN_ERR(%u)", EXTRACT_BE_U_4(ptr->align_err)));
return;
pptp_peer_call_id_print(ndo, &ptr->peer_call_id);
ND_TCHECK(ptr->reserved1);
ND_TCHECK(ptr->send_accm);
- ND_PRINT((ndo, " SEND_ACCM(0x%08x)", EXTRACT_32BITS(&ptr->send_accm)));
+ ND_PRINT((ndo, " SEND_ACCM(0x%08x)", EXTRACT_BE_U_4(ptr->send_accm)));
ND_TCHECK(ptr->recv_accm);
- ND_PRINT((ndo, " RECV_ACCM(0x%08x)", EXTRACT_32BITS(&ptr->recv_accm)));
+ ND_PRINT((ndo, " RECV_ACCM(0x%08x)", EXTRACT_BE_U_4(ptr->recv_accm)));
return;
ND_TCHECK(hdr->length);
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, " Length=%u", EXTRACT_16BITS(&hdr->length)));
+ ND_PRINT((ndo, " Length=%u", EXTRACT_BE_U_2(hdr->length)));
}
ND_TCHECK(hdr->msg_type);
if (ndo->ndo_vflag) {
- switch(EXTRACT_16BITS(&hdr->msg_type)) {
+ switch(EXTRACT_BE_U_2(hdr->msg_type)) {
case PPTP_MSG_TYPE_CTRL:
ND_PRINT((ndo, " CTRL-MSG"));
break;
}
ND_TCHECK(hdr->magic_cookie);
- mc = EXTRACT_32BITS(&hdr->magic_cookie);
+ mc = EXTRACT_BE_U_4(hdr->magic_cookie);
if (mc != PPTP_MAGIC_COOKIE) {
ND_PRINT((ndo, " UNEXPECTED Magic-Cookie!!(%08x)", mc));
}
ND_PRINT((ndo, " Magic-Cookie=%08x", mc));
}
ND_TCHECK(hdr->ctrl_msg_type);
- ctrl_msg_type = EXTRACT_16BITS(&hdr->ctrl_msg_type);
+ ctrl_msg_type = EXTRACT_BE_U_2(hdr->ctrl_msg_type);
if (ctrl_msg_type < PPTP_MAX_MSGTYPE_INDEX) {
ND_PRINT((ndo, " CTRL_MSGTYPE=%s",
pptp_message_type_string[ctrl_msg_type]));
projects / tcpdump / blobdiff