* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
- * Support for the Link Management Protocol as per rfc 4204.
- *
- * Support for LMP service discovery extensions (defined by UNI 1.0) added
+ * Support for LMP service discovery extensions (defined by OIF UNI 1.0)
*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-lmp.c,v 1.11 2007-08-02 17:32:49 hannes Exp $";
-#endif
+/* \summary: Link Management Protocol (LMP) printer */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/* specification: RFC 4204 */
+/* OIF UNI 1.0: https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */
-#include <tcpdump-stdinc.h>
+#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include "netdissect-stdinc.h"
-#include "interface.h"
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"
#include "extract.h"
#include "addrtoname.h"
#include "gmpls.h"
+
/*
* LMP common header
*
*/
struct lmp_common_header {
- u_int8_t version_res[2];
- u_int8_t flags;
- u_int8_t msg_type;
- u_int8_t length[2];
- u_int8_t reserved[2];
+ nd_uint16_t version_res;
+ nd_uint8_t flags;
+ nd_uint8_t msg_type;
+ nd_uint16_t length;
+ nd_byte reserved[2];
};
#define LMP_VERSION 1
-#define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
+#define LMP_EXTRACT_VERSION(x) (((x)&0xf000)>>12)
static const struct tok lmp_header_flag_values[] = {
{ 0x01, "Control Channel Down"},
{ 0, NULL}
};
-/*
+/*
* LMP object header
*
* 0 1 2 3
* | |
* // (object contents) //
* | |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct lmp_object_header {
- u_int8_t ctype;
- u_int8_t class_num;
- u_int8_t length[2];
+ nd_uint8_t ctype;
+ nd_uint8_t class_num;
+ nd_uint16_t length;
};
#define LMP_OBJ_CC_ID 1
#define LMP_OBJ_NODE_ID 2
#define LMP_OBJ_LINK_ID 3
#define LMP_OBJ_INTERFACE_ID 4
-#define LMP_OBJ_MESSAGE_ID 5
+#define LMP_OBJ_MESSAGE_ID 5
#define LMP_OBJ_CONFIG 6
#define LMP_OBJ_HELLO 7
#define LMP_OBJ_VERIFY_BEGIN 8
#define LMP_CTYPE_LOC 1
#define LMP_CTYPE_RMT 2
#define LMP_CTYPE_UNMD 3
-
+
#define LMP_CTYPE_IPV4_LOC 1
#define LMP_CTYPE_IPV4_RMT 2
#define LMP_CTYPE_IPV6_LOC 3
#define LMP_CTYPE_IPV6_RMT 4
-#define LMP_CTYPE_UNMD_LOC 5
-#define LMP_CTYPE_UNMD_RMT 6
+#define LMP_CTYPE_UNMD_LOC 5
+#define LMP_CTYPE_UNMD_RMT 6
#define LMP_CTYPE_1 1
#define LMP_CTYPE_2 2
#define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3
#define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4
-/*
+/*
* Different link types allowed in the Client Port Service Attributes
* subobject defined for LMP Service Discovery in the UNI 1.0 spec
*/
{ 0, NULL}
};
-void
-lmp_print(register const u_char *pptr, register u_int len) {
+static int
+lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr,
+ int total_subobj_len, int offset)
+{
+ int hexdump = FALSE;
+ int subobj_type, subobj_len;
+
+ while (total_subobj_len > 0 && hexdump == FALSE ) {
+ subobj_type = GET_U_1(obj_tptr + offset);
+ subobj_len = GET_U_1(obj_tptr + offset + 1);
+ ND_PRINT("\n\t Subobject, Type: %s (%u), Length: %u",
+ tok2str(lmp_data_link_subobj,
+ "Unknown",
+ subobj_type),
+ subobj_type,
+ subobj_len);
+ if (subobj_len < 4) {
+ ND_PRINT(" (too short)");
+ break;
+ }
+ if ((subobj_len % 4) != 0) {
+ ND_PRINT(" (not a multiple of 4)");
+ break;
+ }
+ if (total_subobj_len < subobj_len) {
+ ND_PRINT(" (goes past the end of the object)");
+ break;
+ }
+ switch(subobj_type) {
+ case INT_SWITCHING_TYPE_SUBOBJ:
+ ND_PRINT("\n\t Switching Type: %s (%u)",
+ tok2str(gmpls_switch_cap_values,
+ "Unknown",
+ GET_U_1(obj_tptr + offset + 2)),
+ GET_U_1(obj_tptr + offset + 2));
+ ND_PRINT("\n\t Encoding Type: %s (%u)",
+ tok2str(gmpls_encoding_values,
+ "Unknown",
+ GET_U_1(obj_tptr + offset + 3)),
+ GET_U_1(obj_tptr + offset + 3));
+ ND_PRINT("\n\t Min Reservable Bandwidth: %.3f Mbps",
+ GET_BE_F_4(obj_tptr + offset + 4)*8/1000000);
+ ND_PRINT("\n\t Max Reservable Bandwidth: %.3f Mbps",
+ GET_BE_F_4(obj_tptr + offset + 8)*8/1000000);
+ break;
+ case WAVELENGTH_SUBOBJ:
+ ND_PRINT("\n\t Wavelength: %u",
+ GET_BE_U_4(obj_tptr + offset + 4));
+ break;
+ default:
+ /* Any Unknown Subobject ==> Exit loop */
+ hexdump=TRUE;
+ break;
+ }
+ total_subobj_len-=subobj_len;
+ offset+=subobj_len;
+ }
+ return (hexdump);
+}
+void
+lmp_print(netdissect_options *ndo,
+ const u_char *pptr, u_int length)
+{
const struct lmp_common_header *lmp_com_header;
- const struct lmp_object_header *lmp_obj_header;
const u_char *tptr,*obj_tptr;
- int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
+ u_int version_res, tlen, lmp_obj_len, lmp_obj_ctype, obj_tlen;
int hexdump;
- int offset,subobj_type,subobj_len,total_subobj_len;
- int link_type;
-
- union { /* int to float conversion buffer */
- float f;
- u_int32_t i;
- } bw;
+ u_int offset;
+ u_int link_type;
+ ndo->ndo_protocol = "lmp";
tptr=pptr;
lmp_com_header = (const struct lmp_common_header *)pptr;
- TCHECK(*lmp_com_header);
+ ND_TCHECK_SIZE(lmp_com_header);
+
+ version_res = GET_BE_U_2(lmp_com_header->version_res);
/*
* Sanity checking of the header.
*/
- if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
- printf("LMP version %u packet not supported",
- LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]));
+ if (LMP_EXTRACT_VERSION(version_res) != LMP_VERSION) {
+ ND_PRINT("LMP version %u packet not supported",
+ LMP_EXTRACT_VERSION(version_res));
return;
}
/* in non-verbose mode just lets print the basic Message Type*/
- if (vflag < 1) {
- printf("LMPv%u %s Message, length: %u",
- LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
- tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
- len);
+ if (ndo->ndo_vflag < 1) {
+ ND_PRINT("LMPv%u %s Message, length: %u",
+ LMP_EXTRACT_VERSION(version_res),
+ tok2str(lmp_msg_type_values, "unknown (%u)",GET_U_1(lmp_com_header->msg_type)),
+ length);
return;
}
/* ok they seem to want to know everything - lets fully decode it */
- tlen=EXTRACT_16BITS(lmp_com_header->length);
+ tlen=GET_BE_U_2(lmp_com_header->length);
- printf("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
- LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
- tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
- bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
+ ND_PRINT("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
+ LMP_EXTRACT_VERSION(version_res),
+ tok2str(lmp_msg_type_values, "unknown, type: %u",GET_U_1(lmp_com_header->msg_type)),
+ bittok2str(lmp_header_flag_values,"none",GET_U_1(lmp_com_header->flags)),
tlen);
+ if (tlen < sizeof(struct lmp_common_header)) {
+ ND_PRINT(" (too short)");
+ return;
+ }
+ if (tlen > length) {
+ ND_PRINT(" (too long)");
+ tlen = length;
+ }
- tptr+=sizeof(const struct lmp_common_header);
- tlen-=sizeof(const struct lmp_common_header);
-
- while(tlen>0) {
- /* did we capture enough for fully decoding the object header ? */
- if (!TTEST2(*tptr, sizeof(struct lmp_object_header)))
- goto trunc;
-
- lmp_obj_header = (const struct lmp_object_header *)tptr;
- lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
- lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
+ tptr+=sizeof(struct lmp_common_header);
+ tlen-=sizeof(struct lmp_common_header);
- if(lmp_obj_len % 4 || lmp_obj_len < 4)
- return;
+ while(tlen != 0) {
+ const struct lmp_object_header *lmp_obj_header =
+ (const struct lmp_object_header *)tptr;
+ lmp_obj_len=GET_BE_U_2(lmp_obj_header->length);
+ lmp_obj_ctype=GET_U_1(lmp_obj_header->ctype)&0x7f;
- printf("\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
+ ND_PRINT("\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
tok2str(lmp_obj_values,
"Unknown",
- lmp_obj_header->class_num),
- lmp_obj_header->class_num,
+ GET_U_1(lmp_obj_header->class_num)),
+ GET_U_1(lmp_obj_header->class_num),
tok2str(lmp_ctype_values,
"Unknown",
- ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
+ (GET_U_1(lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
lmp_obj_ctype,
- (lmp_obj_header->ctype)&0x80 ? "" : "non-",
+ GET_U_1(lmp_obj_header->ctype)&0x80 ? "" : "non-",
lmp_obj_len);
+ if (lmp_obj_len < 4) {
+ ND_PRINT(" (too short)");
+ return;
+ }
+ if ((lmp_obj_len % 4) != 0) {
+ ND_PRINT(" (not a multiple of 4)");
+ return;
+ }
+
obj_tptr=tptr+sizeof(struct lmp_object_header);
obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
/* did we capture enough for fully decoding the object ? */
- if (!TTEST2(*tptr, lmp_obj_len))
- goto trunc;
+ ND_TCHECK_LEN(tptr, lmp_obj_len);
hexdump=FALSE;
- switch(lmp_obj_header->class_num) {
+ switch(GET_U_1(lmp_obj_header->class_num)) {
case LMP_OBJ_CC_ID:
switch(lmp_obj_ctype) {
case LMP_CTYPE_LOC:
case LMP_CTYPE_RMT:
- printf("\n\t Control Channel ID: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Control Channel ID: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr));
break;
default:
switch(lmp_obj_ctype) {
case LMP_CTYPE_IPV4_LOC:
case LMP_CTYPE_IPV4_RMT:
- printf("\n\t IPv4 Link ID: %s (0x%08x)",
- ipaddr_string(obj_tptr),
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t IPv4 Link ID: %s (0x%08x)",
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_4(obj_tptr));
break;
-#ifdef INET6
case LMP_CTYPE_IPV6_LOC:
case LMP_CTYPE_IPV6_RMT:
- printf("\n\t IPv6 Link ID: %s (0x%08x)",
- ip6addr_string(obj_tptr),
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 16) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t IPv6 Link ID: %s (0x%08x)",
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_4(obj_tptr));
break;
-#endif
case LMP_CTYPE_UNMD_LOC:
case LMP_CTYPE_UNMD_RMT:
- printf("\n\t Link ID: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Link ID: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr));
break;
default:
hexdump=TRUE;
case LMP_OBJ_MESSAGE_ID:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
- printf("\n\t Message ID: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Message ID: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr));
break;
case LMP_CTYPE_2:
- printf("\n\t Message ID Ack: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Message ID Ack: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr));
break;
default:
hexdump=TRUE;
switch(lmp_obj_ctype) {
case LMP_CTYPE_LOC:
case LMP_CTYPE_RMT:
- printf("\n\t Node ID: %s (0x%08x)",
- ipaddr_string(obj_tptr),
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Node ID: %s (0x%08x)",
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_4(obj_tptr));
break;
default:
case LMP_OBJ_CONFIG:
switch(lmp_obj_ctype) {
case LMP_CTYPE_HELLO_CONFIG:
- printf("\n\t Hello Interval: %u\n\t Hello Dead Interval: %u",
- EXTRACT_16BITS(obj_tptr),
- EXTRACT_16BITS(obj_tptr+2));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Hello Interval: %u\n\t Hello Dead Interval: %u",
+ GET_BE_U_2(obj_tptr),
+ GET_BE_U_2(obj_tptr + 2));
break;
default:
hexdump=TRUE;
}
break;
-
+
case LMP_OBJ_HELLO:
switch(lmp_obj_ctype) {
case LMP_CTYPE_HELLO:
- printf("\n\t Tx Seq: %u, Rx Seq: %u",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr+4));
+ if (obj_tlen != 8) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Tx Seq: %u, Rx Seq: %u",
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr + 4));
break;
default:
hexdump=TRUE;
}
- break;
-
+ break;
+
case LMP_OBJ_TE_LINK:
- printf("\n\t Flags: [%s]",
- bittok2str(lmp_obj_te_link_flag_values,
- "none",
- EXTRACT_16BITS(obj_tptr)>>8));
-
switch(lmp_obj_ctype) {
case LMP_CTYPE_IPV4:
- printf("\n\t Local Link-ID: %s (0x%08x)"
+ if (obj_tlen != 12) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: [%s]",
+ bittok2str(lmp_obj_te_link_flag_values,
+ "none",
+ GET_U_1(obj_tptr)));
+
+ ND_PRINT("\n\t Local Link-ID: %s (0x%08x)"
"\n\t Remote Link-ID: %s (0x%08x)",
- ipaddr_string(obj_tptr+4),
- EXTRACT_32BITS(obj_tptr+4),
- ipaddr_string(obj_tptr+8),
- EXTRACT_32BITS(obj_tptr+8));
+ GET_IPADDR_STRING(obj_tptr+4),
+ GET_BE_U_4(obj_tptr + 4),
+ GET_IPADDR_STRING(obj_tptr+8),
+ GET_BE_U_4(obj_tptr + 8));
break;
-
-#ifdef INET6
+
case LMP_CTYPE_IPV6:
-#endif
+ if (obj_tlen != 36) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: [%s]",
+ bittok2str(lmp_obj_te_link_flag_values,
+ "none",
+ GET_U_1(obj_tptr)));
+
+ ND_PRINT("\n\t Local Link-ID: %s (0x%08x)"
+ "\n\t Remote Link-ID: %s (0x%08x)",
+ GET_IP6ADDR_STRING(obj_tptr+4),
+ GET_BE_U_4(obj_tptr + 4),
+ GET_IP6ADDR_STRING(obj_tptr+20),
+ GET_BE_U_4(obj_tptr + 20));
+ break;
+
case LMP_CTYPE_UNMD:
+ if (obj_tlen != 12) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: [%s]",
+ bittok2str(lmp_obj_te_link_flag_values,
+ "none",
+ GET_U_1(obj_tptr)));
+
+ ND_PRINT("\n\t Local Link-ID: %u (0x%08x)"
+ "\n\t Remote Link-ID: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr + 4),
+ GET_BE_U_4(obj_tptr + 4),
+ GET_BE_U_4(obj_tptr + 8),
+ GET_BE_U_4(obj_tptr + 8));
+ break;
+
default:
hexdump=TRUE;
}
break;
-
+
case LMP_OBJ_DATA_LINK:
- printf("\n\t Flags: [%s]",
- bittok2str(lmp_obj_data_link_flag_values,
- "none",
- EXTRACT_16BITS(obj_tptr)>>8));
-
switch(lmp_obj_ctype) {
case LMP_CTYPE_IPV4:
- case LMP_CTYPE_UNMD:
- printf("\n\t Local Interface ID: %s (0x%08x)"
+ if (obj_tlen < 12) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: [%s]",
+ bittok2str(lmp_obj_data_link_flag_values,
+ "none",
+ GET_U_1(obj_tptr)));
+ ND_PRINT("\n\t Local Interface ID: %s (0x%08x)"
"\n\t Remote Interface ID: %s (0x%08x)",
- ipaddr_string(obj_tptr+4),
- EXTRACT_32BITS(obj_tptr+4),
- ipaddr_string(obj_tptr+8),
- EXTRACT_32BITS(obj_tptr+8));
-
- total_subobj_len = lmp_obj_len - 16;
- offset = 12;
- while (total_subobj_len > 0 && hexdump == FALSE ) {
- subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
- subobj_len = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
- printf("\n\t Subobject, Type: %s (%u), Length: %u",
- tok2str(lmp_data_link_subobj,
- "Unknown",
- subobj_type),
- subobj_type,
- subobj_len);
- switch(subobj_type) {
- case INT_SWITCHING_TYPE_SUBOBJ:
- printf("\n\t Switching Type: %s (%u)",
- tok2str(gmpls_switch_cap_values,
- "Unknown",
- EXTRACT_16BITS(obj_tptr+offset+2)>>8),
- EXTRACT_16BITS(obj_tptr+offset+2)>>8);
- printf("\n\t Encoding Type: %s (%u)",
- tok2str(gmpls_encoding_values,
- "Unknown",
- EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
- EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF);
- bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
- printf("\n\t Min Reservable Bandwidth: %.3f Mbps",
- bw.f*8/1000000);
- bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
- printf("\n\t Max Reservable Bandwidth: %.3f Mbps",
- bw.f*8/1000000);
- break;
- case WAVELENGTH_SUBOBJ:
- printf("\n\t Wavelength: %u",
- EXTRACT_32BITS(obj_tptr+offset+4));
- break;
- default:
- /* Any Unknown Subobject ==> Exit loop */
- hexdump=TRUE;
- break;
- }
- total_subobj_len-=subobj_len;
- offset+=subobj_len;
- }
-
+ GET_IPADDR_STRING(obj_tptr+4),
+ GET_BE_U_4(obj_tptr + 4),
+ GET_IPADDR_STRING(obj_tptr+8),
+ GET_BE_U_4(obj_tptr + 8));
+
+ if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12))
+ hexdump=TRUE;
break;
-#ifdef INET6
+
case LMP_CTYPE_IPV6:
-#endif
+ if (obj_tlen < 36) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: [%s]",
+ bittok2str(lmp_obj_data_link_flag_values,
+ "none",
+ GET_U_1(obj_tptr)));
+ ND_PRINT("\n\t Local Interface ID: %s (0x%08x)"
+ "\n\t Remote Interface ID: %s (0x%08x)",
+ GET_IP6ADDR_STRING(obj_tptr+4),
+ GET_BE_U_4(obj_tptr + 4),
+ GET_IP6ADDR_STRING(obj_tptr+20),
+ GET_BE_U_4(obj_tptr + 20));
+
+ if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 36, 36))
+ hexdump=TRUE;
+ break;
+
+ case LMP_CTYPE_UNMD:
+ if (obj_tlen < 12) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: [%s]",
+ bittok2str(lmp_obj_data_link_flag_values,
+ "none",
+ GET_U_1(obj_tptr)));
+ ND_PRINT("\n\t Local Interface ID: %u (0x%08x)"
+ "\n\t Remote Interface ID: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr + 4),
+ GET_BE_U_4(obj_tptr + 4),
+ GET_BE_U_4(obj_tptr + 8),
+ GET_BE_U_4(obj_tptr + 8));
+
+ if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12))
+ hexdump=TRUE;
+ break;
+
default:
hexdump=TRUE;
}
- break;
-
+ break;
+
case LMP_OBJ_VERIFY_BEGIN:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
- printf("\n\t Flags: %s",
+ if (obj_tlen != 20) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: %s",
bittok2str(lmp_obj_begin_verify_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr)));
- printf("\n\t Verify Interval: %u",
- EXTRACT_16BITS(obj_tptr+2));
- printf("\n\t Data links: %u",
- EXTRACT_32BITS(obj_tptr+4));
- printf("\n\t Encoding type: %s",
- tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8)));
- printf("\n\t Verify Transport Mechanism: %u (0x%x)%s",
- EXTRACT_16BITS(obj_tptr+10),
- EXTRACT_16BITS(obj_tptr+10),
- EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : "");
- bw.i = EXTRACT_32BITS(obj_tptr+12);
- printf("\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000);
- printf("\n\t Wavelength: %u",
- EXTRACT_32BITS(obj_tptr+16));
+ GET_BE_U_2(obj_tptr)));
+ ND_PRINT("\n\t Verify Interval: %u",
+ GET_BE_U_2(obj_tptr + 2));
+ ND_PRINT("\n\t Data links: %u",
+ GET_BE_U_4(obj_tptr + 4));
+ ND_PRINT("\n\t Encoding type: %s",
+ tok2str(gmpls_encoding_values, "Unknown", GET_U_1((obj_tptr + 8))));
+ ND_PRINT("\n\t Verify Transport Mechanism: %u (0x%x)%s",
+ GET_BE_U_2(obj_tptr + 10),
+ GET_BE_U_2(obj_tptr + 10),
+ GET_BE_U_2(obj_tptr + 10)&8000 ? " (Payload test messages capable)" : "");
+ ND_PRINT("\n\t Transmission Rate: %.3f Mbps",
+ GET_BE_F_4(obj_tptr + 12)*8/1000000);
+ ND_PRINT("\n\t Wavelength: %u",
+ GET_BE_U_4(obj_tptr + 16));
break;
-
+
default:
hexdump=TRUE;
}
- break;
-
+ break;
+
case LMP_OBJ_VERIFY_BEGIN_ACK:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
- printf("\n\t Verify Dead Interval: %u"
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Verify Dead Interval: %u"
"\n\t Verify Transport Response: %u",
- EXTRACT_16BITS(obj_tptr),
- EXTRACT_16BITS(obj_tptr+2));
+ GET_BE_U_2(obj_tptr),
+ GET_BE_U_2(obj_tptr + 2));
break;
-
+
default:
hexdump=TRUE;
}
- break;
-
+ break;
+
case LMP_OBJ_VERIFY_ID:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
- printf("\n\t Verify ID: %u",
- EXTRACT_32BITS(obj_tptr));
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Verify ID: %u",
+ GET_BE_U_4(obj_tptr));
break;
-
+
default:
hexdump=TRUE;
}
- break;
-
+ break;
+
case LMP_OBJ_CHANNEL_STATUS:
switch(lmp_obj_ctype) {
case LMP_CTYPE_IPV4:
- case LMP_CTYPE_UNMD:
offset = 0;
/* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
- while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
- printf("\n\t Interface ID: %s (0x%08x)",
- ipaddr_string(obj_tptr+offset),
- EXTRACT_32BITS(obj_tptr+offset));
-
- printf("\n\t\t Active: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
- "Allocated" : "Non-allocated",
- (EXTRACT_32BITS(obj_tptr+offset+4)>>31));
-
- printf("\n\t\t Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
- "Transmit" : "Receive",
- (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1);
-
- printf("\n\t\t Channel Status: %s (%u)",
+ while (offset+8 <= obj_tlen) {
+ ND_PRINT("\n\t Interface ID: %s (0x%08x)",
+ GET_IPADDR_STRING(obj_tptr+offset),
+ GET_BE_U_4(obj_tptr + offset));
+
+ ND_PRINT("\n\t\t Active: %s (%u)",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>31) ?
+ "Allocated" : "Non-allocated",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>31));
+
+ ND_PRINT("\n\t\t Direction: %s (%u)",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ?
+ "Transmit" : "Receive",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1);
+
+ ND_PRINT("\n\t\t Channel Status: %s (%u)",
tok2str(lmp_obj_channel_status_values,
- "Unknown",
- EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
- EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF);
+ "Unknown",
+ GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF),
+ GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF);
offset+=8;
}
break;
-#ifdef INET6
+
case LMP_CTYPE_IPV6:
-#endif
+ offset = 0;
+ /* Decode pairs: <Interface_ID (16 bytes), Channel_status (4 bytes)> */
+ while (offset+20 <= obj_tlen) {
+ ND_PRINT("\n\t Interface ID: %s (0x%08x)",
+ GET_IP6ADDR_STRING(obj_tptr+offset),
+ GET_BE_U_4(obj_tptr + offset));
+
+ ND_PRINT("\n\t\t Active: %s (%u)",
+ (GET_BE_U_4(obj_tptr + offset + 16)>>31) ?
+ "Allocated" : "Non-allocated",
+ (GET_BE_U_4(obj_tptr + offset + 16)>>31));
+
+ ND_PRINT("\n\t\t Direction: %s (%u)",
+ (GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1 ?
+ "Transmit" : "Receive",
+ (GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1);
+
+ ND_PRINT("\n\t\t Channel Status: %s (%u)",
+ tok2str(lmp_obj_channel_status_values,
+ "Unknown",
+ GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF),
+ GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF);
+ offset+=20;
+ }
+ break;
+
+ case LMP_CTYPE_UNMD:
+ offset = 0;
+ /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
+ while (offset+8 <= obj_tlen) {
+ ND_PRINT("\n\t Interface ID: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr + offset),
+ GET_BE_U_4(obj_tptr + offset));
+
+ ND_PRINT("\n\t\t Active: %s (%u)",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>31) ?
+ "Allocated" : "Non-allocated",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>31));
+
+ ND_PRINT("\n\t\t Direction: %s (%u)",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ?
+ "Transmit" : "Receive",
+ (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1);
+
+ ND_PRINT("\n\t\t Channel Status: %s (%u)",
+ tok2str(lmp_obj_channel_status_values,
+ "Unknown",
+ GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF),
+ GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF);
+ offset+=8;
+ }
+ break;
+
default:
hexdump=TRUE;
}
- break;
-
+ break;
+
case LMP_OBJ_CHANNEL_STATUS_REQ:
switch(lmp_obj_ctype) {
case LMP_CTYPE_IPV4:
- case LMP_CTYPE_UNMD:
offset = 0;
- while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
- printf("\n\t Interface ID: %s (0x%08x)",
- ipaddr_string(obj_tptr+offset),
- EXTRACT_32BITS(obj_tptr+offset));
+ while (offset+4 <= obj_tlen) {
+ ND_PRINT("\n\t Interface ID: %s (0x%08x)",
+ GET_IPADDR_STRING(obj_tptr+offset),
+ GET_BE_U_4(obj_tptr + offset));
offset+=4;
}
break;
-#ifdef INET6
+
case LMP_CTYPE_IPV6:
-#endif
+ offset = 0;
+ while (offset+16 <= obj_tlen) {
+ ND_PRINT("\n\t Interface ID: %s (0x%08x)",
+ GET_IP6ADDR_STRING(obj_tptr+offset),
+ GET_BE_U_4(obj_tptr + offset));
+ offset+=16;
+ }
+ break;
+
+ case LMP_CTYPE_UNMD:
+ offset = 0;
+ while (offset+4 <= obj_tlen) {
+ ND_PRINT("\n\t Interface ID: %u (0x%08x)",
+ GET_BE_U_4(obj_tptr + offset),
+ GET_BE_U_4(obj_tptr + offset));
+ offset+=4;
+ }
+ break;
+
default:
hexdump=TRUE;
}
- break;
-
+ break;
+
case LMP_OBJ_ERROR_CODE:
switch(lmp_obj_ctype) {
case LMP_CTYPE_BEGIN_VERIFY_ERROR:
- printf("\n\t Error Code: %s",
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Error Code: %s",
bittok2str(lmp_obj_begin_verify_error_values,
"none",
- EXTRACT_32BITS(obj_tptr)));
+ GET_BE_U_4(obj_tptr)));
break;
-
+
case LMP_CTYPE_LINK_SUMMARY_ERROR:
- printf("\n\t Error Code: %s",
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Error Code: %s",
bittok2str(lmp_obj_link_summary_error_values,
"none",
- EXTRACT_32BITS(obj_tptr)));
+ GET_BE_U_4(obj_tptr)));
break;
default:
hexdump=TRUE;
}
- break;
+ break;
case LMP_OBJ_SERVICE_CONFIG:
switch (lmp_obj_ctype) {
case LMP_CTYPE_SERVICE_CONFIG_SP:
-
- printf("\n\t Flags: %s",
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+ ND_PRINT("\n\t Flags: %s",
bittok2str(lmp_obj_service_config_sp_flag_values,
- "none",
- EXTRACT_16BITS(obj_tptr)>>8));
+ "none",
+ GET_U_1(obj_tptr)));
- printf("\n\t UNI Version: %u",
- EXTRACT_16BITS(obj_tptr) & 0x00FF);
+ ND_PRINT("\n\t UNI Version: %u",
+ GET_U_1(obj_tptr + 1));
break;
-
+
case LMP_CTYPE_SERVICE_CONFIG_CPSA:
-
- link_type = EXTRACT_16BITS(obj_tptr)>>8;
-
- printf("\n\t Link Type: %s (%u)",
+ if (obj_tlen != 16) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+
+ link_type = GET_U_1(obj_tptr);
+
+ ND_PRINT("\n\t Link Type: %s (%u)",
tok2str(lmp_sd_service_config_cpsa_link_type_values,
"Unknown", link_type),
link_type);
-
- if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
- printf("\n\t Signal Type: %s (%u)",
+
+ switch (link_type) {
+ case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH:
+ ND_PRINT("\n\t Signal Type: %s (%u)",
tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
"Unknown",
- EXTRACT_16BITS(obj_tptr) & 0x00FF),
- EXTRACT_16BITS(obj_tptr) & 0x00FF);
- }
-
- if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
- printf("\n\t Signal Type: %s (%u)",
+ GET_U_1(obj_tptr + 1)),
+ GET_U_1(obj_tptr + 1));
+ break;
+
+ case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET:
+ ND_PRINT("\n\t Signal Type: %s (%u)",
tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
"Unknown",
- EXTRACT_16BITS(obj_tptr) & 0x00FF),
- EXTRACT_16BITS(obj_tptr) & 0x00FF);
+ GET_U_1(obj_tptr + 1)),
+ GET_U_1(obj_tptr + 1));
+ break;
}
-
- printf("\n\t Transparency: %s",
+
+ ND_PRINT("\n\t Transparency: %s",
bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+2)>>8));
-
- printf("\n\t Contiguous Concatenation Types: %s",
+ GET_U_1(obj_tptr + 2)));
+
+ ND_PRINT("\n\t Contiguous Concatenation Types: %s",
bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF));
-
- printf("\n\t Minimum NCC: %u",
- EXTRACT_16BITS(obj_tptr+4));
-
- printf("\n\t Maximum NCC: %u",
- EXTRACT_16BITS(obj_tptr+6));
-
- printf("\n\t Minimum NVC:%u",
- EXTRACT_16BITS(obj_tptr+8));
-
- printf("\n\t Maximum NVC:%u",
- EXTRACT_16BITS(obj_tptr+10));
-
- printf("\n\t Local Interface ID: %s (0x%08x)",
- ipaddr_string(obj_tptr+12),
- EXTRACT_32BITS(obj_tptr+12));
-
+ GET_U_1(obj_tptr + 3)));
+
+ ND_PRINT("\n\t Minimum NCC: %u",
+ GET_BE_U_2(obj_tptr + 4));
+
+ ND_PRINT("\n\t Maximum NCC: %u",
+ GET_BE_U_2(obj_tptr + 6));
+
+ ND_PRINT("\n\t Minimum NVC:%u",
+ GET_BE_U_2(obj_tptr + 8));
+
+ ND_PRINT("\n\t Maximum NVC:%u",
+ GET_BE_U_2(obj_tptr + 10));
+
+ ND_PRINT("\n\t Local Interface ID: %s (0x%08x)",
+ GET_IPADDR_STRING(obj_tptr+12),
+ GET_BE_U_4(obj_tptr + 12));
+
break;
-
+
case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
-
- printf("\n\t Transparency Flags: %s",
+ if (obj_tlen != 8) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+
+ ND_PRINT("\n\t Transparency Flags: %s",
bittok2str(
lmp_obj_service_config_nsa_transparency_flag_values,
"none",
- EXTRACT_32BITS(obj_tptr)));
+ GET_BE_U_4(obj_tptr)));
- printf("\n\t TCM Monitoring Flags: %s",
+ ND_PRINT("\n\t TCM Monitoring Flags: %s",
bittok2str(
lmp_obj_service_config_nsa_tcm_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+6) & 0x00FF));
-
+ GET_U_1(obj_tptr + 7)));
+
break;
-
+
case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
-
- printf("\n\t Diversity: Flags: %s",
+ if (obj_tlen != 4) {
+ ND_PRINT(" (not correct for object)");
+ break;
+ }
+
+ ND_PRINT("\n\t Diversity: Flags: %s",
bittok2str(
lmp_obj_service_config_nsa_network_diversity_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+2) & 0x00FF));
+ GET_U_1(obj_tptr + 3)));
break;
default:
hexdump = TRUE;
- };
+ }
break;
default:
- if (vflag <= 1)
- print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
+ if (ndo->ndo_vflag <= 1)
+ print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen);
break;
}
/* do we want to see an additionally hexdump ? */
- if (vflag > 1 || hexdump==TRUE)
- print_unknown_data(tptr+sizeof(struct lmp_object_header),"\n\t ",
+ if (ndo->ndo_vflag > 1 || hexdump==TRUE)
+ print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ",
lmp_obj_len-sizeof(struct lmp_object_header));
+ if (tlen < lmp_obj_len) {
+ ND_PRINT(" [remaining objects length %u < %u]", tlen, lmp_obj_len);
+ nd_print_invalid(ndo);
+ break;
+ }
tptr+=lmp_obj_len;
tlen-=lmp_obj_len;
}
- return;
-trunc:
- printf("\n\t\t packet exceeded snapshot");
}
projects / tcpdump / blobdiff