* 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)
*/
-#define NETDISSECT_REWORKED
+/* \summary: Link Management Protocol (LMP) printer */
+
+/* specification: RFC 4204 */
+/* OIF UNI 1.0: http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
-#include "interface.h"
+#include "netdissect.h"
#include "extract.h"
#include "addrtoname.h"
#include "gmpls.h"
{ 0, NULL}
};
+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;
+
+ union { /* int to float conversion buffer */
+ float f;
+ uint32_t i;
+ } bw;
+
+ while (total_subobj_len > 0 && hexdump == FALSE ) {
+ subobj_type = EXTRACT_U_1(obj_tptr + offset);
+ subobj_len = EXTRACT_U_1(obj_tptr + offset + 1);
+ ND_PRINT((ndo, "\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((ndo, " (too short)"));
+ break;
+ }
+ if ((subobj_len % 4) != 0) {
+ ND_PRINT((ndo, " (not a multiple of 4)"));
+ break;
+ }
+ if (total_subobj_len < subobj_len) {
+ ND_PRINT((ndo, " (goes past the end of the object)"));
+ break;
+ }
+ switch(subobj_type) {
+ case INT_SWITCHING_TYPE_SUBOBJ:
+ ND_PRINT((ndo, "\n\t Switching Type: %s (%u)",
+ tok2str(gmpls_switch_cap_values,
+ "Unknown",
+ EXTRACT_U_1(obj_tptr + offset + 2)),
+ EXTRACT_U_1(obj_tptr + offset + 2)));
+ ND_PRINT((ndo, "\n\t Encoding Type: %s (%u)",
+ tok2str(gmpls_encoding_values,
+ "Unknown",
+ EXTRACT_U_1(obj_tptr + offset + 3)),
+ EXTRACT_U_1(obj_tptr + offset + 3)));
+ bw.i = EXTRACT_BE_U_4(obj_tptr + offset + 4);
+ ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps",
+ bw.f*8/1000000));
+ bw.i = EXTRACT_BE_U_4(obj_tptr + offset + 8);
+ ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps",
+ bw.f*8/1000000));
+ break;
+ case WAVELENGTH_SUBOBJ:
+ ND_PRINT((ndo, "\n\t Wavelength: %u",
+ EXTRACT_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,
- register const u_char *pptr, register u_int len) {
-
+ register const u_char *pptr, register u_int len)
+{
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 tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
int hexdump;
- int offset,subobj_type,subobj_len,total_subobj_len;
- int link_type;
+ u_int offset;
+ u_int link_type;
union { /* int to float conversion buffer */
float f;
/* ok they seem to want to know everything - lets fully decode it */
- tlen=EXTRACT_16BITS(lmp_com_header->length);
+ tlen=EXTRACT_BE_U_2(lmp_com_header->length);
ND_PRINT((ndo, "\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),
tlen));
+ if (tlen < sizeof(struct lmp_common_header)) {
+ ND_PRINT((ndo, " (too short)"));
+ return;
+ }
+ if (tlen > len) {
+ ND_PRINT((ndo, " (too long)"));
+ tlen = len;
+ }
- tptr+=sizeof(const struct lmp_common_header);
- tlen-=sizeof(const struct lmp_common_header);
+ tptr+=sizeof(struct lmp_common_header);
+ tlen-=sizeof(struct lmp_common_header);
while(tlen>0) {
/* did we capture enough for fully decoding the object header ? */
ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
lmp_obj_header = (const struct lmp_object_header *)tptr;
- lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
+ lmp_obj_len=EXTRACT_BE_U_2(lmp_obj_header->length);
lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
- if(lmp_obj_len % 4 || lmp_obj_len < 4)
- return;
-
ND_PRINT((ndo, "\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
tok2str(lmp_obj_values,
"Unknown",
(lmp_obj_header->ctype)&0x80 ? "" : "non-",
lmp_obj_len));
+ if (lmp_obj_len < 4) {
+ ND_PRINT((ndo, " (too short)"));
+ return;
+ }
+ if ((lmp_obj_len % 4) != 0) {
+ ND_PRINT((ndo, " (not a multiple of 4)"));
+ return;
+ }
+
obj_tptr=tptr+sizeof(struct lmp_object_header);
obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
switch(lmp_obj_ctype) {
case LMP_CTYPE_LOC:
case LMP_CTYPE_RMT:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Control Channel ID: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr),
+ EXTRACT_BE_U_4(obj_tptr)));
break;
default:
switch(lmp_obj_ctype) {
case LMP_CTYPE_IPV4_LOC:
case LMP_CTYPE_IPV4_RMT:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t IPv4 Link ID: %s (0x%08x)",
ipaddr_string(ndo, obj_tptr),
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr)));
break;
-#ifdef INET6
case LMP_CTYPE_IPV6_LOC:
case LMP_CTYPE_IPV6_RMT:
+ if (obj_tlen != 16) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t IPv6 Link ID: %s (0x%08x)",
ip6addr_string(ndo, obj_tptr),
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr)));
break;
-#endif
case LMP_CTYPE_UNMD_LOC:
case LMP_CTYPE_UNMD_RMT:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Link ID: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr),
+ EXTRACT_BE_U_4(obj_tptr)));
break;
default:
hexdump=TRUE;
case LMP_OBJ_MESSAGE_ID:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Message ID: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr),
+ EXTRACT_BE_U_4(obj_tptr)));
break;
case LMP_CTYPE_2:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Message ID Ack: %u (0x%08x)",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr),
+ EXTRACT_BE_U_4(obj_tptr)));
break;
default:
hexdump=TRUE;
switch(lmp_obj_ctype) {
case LMP_CTYPE_LOC:
case LMP_CTYPE_RMT:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Node ID: %s (0x%08x)",
ipaddr_string(ndo, obj_tptr),
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr)));
break;
default:
case LMP_OBJ_CONFIG:
switch(lmp_obj_ctype) {
case LMP_CTYPE_HELLO_CONFIG:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Hello Interval: %u\n\t Hello Dead Interval: %u",
- EXTRACT_16BITS(obj_tptr),
- EXTRACT_16BITS(obj_tptr+2)));
+ EXTRACT_BE_U_2(obj_tptr),
+ EXTRACT_BE_U_2(obj_tptr + 2)));
break;
default:
case LMP_OBJ_HELLO:
switch(lmp_obj_ctype) {
case LMP_CTYPE_HELLO:
+ if (obj_tlen != 8) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Tx Seq: %u, Rx Seq: %u",
- EXTRACT_32BITS(obj_tptr),
- EXTRACT_32BITS(obj_tptr+4)));
+ EXTRACT_BE_U_4(obj_tptr),
+ EXTRACT_BE_U_4(obj_tptr + 4)));
break;
default:
break;
case LMP_OBJ_TE_LINK:
+ switch(lmp_obj_ctype) {
+ case LMP_CTYPE_IPV4:
+ if (obj_tlen != 12) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Flags: [%s]",
- bittok2str(lmp_obj_te_link_flag_values,
+ bittok2str(lmp_obj_te_link_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr)>>8)));
+ EXTRACT_U_1(obj_tptr))));
- switch(lmp_obj_ctype) {
- case LMP_CTYPE_IPV4:
ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
"\n\t Remote Link-ID: %s (0x%08x)",
ipaddr_string(ndo, obj_tptr+4),
- EXTRACT_32BITS(obj_tptr+4),
+ EXTRACT_BE_U_4(obj_tptr + 4),
ipaddr_string(ndo, obj_tptr+8),
- EXTRACT_32BITS(obj_tptr+8)));
+ EXTRACT_BE_U_4(obj_tptr + 8)));
break;
-#ifdef INET6
case LMP_CTYPE_IPV6:
-#endif
+ if (obj_tlen != 36) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
+ ND_PRINT((ndo, "\n\t Flags: [%s]",
+ bittok2str(lmp_obj_te_link_flag_values,
+ "none",
+ EXTRACT_U_1(obj_tptr))));
+
+ ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
+ "\n\t Remote Link-ID: %s (0x%08x)",
+ ip6addr_string(ndo, obj_tptr+4),
+ EXTRACT_BE_U_4(obj_tptr + 4),
+ ip6addr_string(ndo, obj_tptr+20),
+ EXTRACT_BE_U_4(obj_tptr + 20)));
+ break;
+
case LMP_CTYPE_UNMD:
+ if (obj_tlen != 12) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
+ ND_PRINT((ndo, "\n\t Flags: [%s]",
+ bittok2str(lmp_obj_te_link_flag_values,
+ "none",
+ EXTRACT_U_1(obj_tptr))));
+
+ ND_PRINT((ndo, "\n\t Local Link-ID: %u (0x%08x)"
+ "\n\t Remote Link-ID: %u (0x%08x)",
+ EXTRACT_BE_U_4(obj_tptr + 4),
+ EXTRACT_BE_U_4(obj_tptr + 4),
+ EXTRACT_BE_U_4(obj_tptr + 8),
+ EXTRACT_BE_U_4(obj_tptr + 8)));
+ break;
+
default:
hexdump=TRUE;
}
break;
case LMP_OBJ_DATA_LINK:
- ND_PRINT((ndo, "\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:
+ if (obj_tlen < 12) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
+ ND_PRINT((ndo, "\n\t Flags: [%s]",
+ bittok2str(lmp_obj_data_link_flag_values,
+ "none",
+ EXTRACT_U_1(obj_tptr))));
ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
"\n\t Remote Interface ID: %s (0x%08x)",
ipaddr_string(ndo, obj_tptr+4),
- EXTRACT_32BITS(obj_tptr+4),
+ EXTRACT_BE_U_4(obj_tptr + 4),
ipaddr_string(ndo, 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;
- ND_PRINT((ndo, "\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:
- ND_PRINT((ndo, "\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));
- ND_PRINT((ndo, "\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);
- ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps",
- bw.f*8/1000000));
- bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
- ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps",
- bw.f*8/1000000));
- break;
- case WAVELENGTH_SUBOBJ:
- ND_PRINT((ndo, "\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;
- }
+ EXTRACT_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((ndo, " (not correct for object)"));
+ break;
+ }
+ ND_PRINT((ndo, "\n\t Flags: [%s]",
+ bittok2str(lmp_obj_data_link_flag_values,
+ "none",
+ EXTRACT_U_1(obj_tptr))));
+ ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
+ "\n\t Remote Interface ID: %s (0x%08x)",
+ ip6addr_string(ndo, obj_tptr+4),
+ EXTRACT_BE_U_4(obj_tptr + 4),
+ ip6addr_string(ndo, obj_tptr+20),
+ EXTRACT_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((ndo, " (not correct for object)"));
+ break;
+ }
+ ND_PRINT((ndo, "\n\t Flags: [%s]",
+ bittok2str(lmp_obj_data_link_flag_values,
+ "none",
+ EXTRACT_U_1(obj_tptr))));
+ ND_PRINT((ndo, "\n\t Local Interface ID: %u (0x%08x)"
+ "\n\t Remote Interface ID: %u (0x%08x)",
+ EXTRACT_BE_U_4(obj_tptr + 4),
+ EXTRACT_BE_U_4(obj_tptr + 4),
+ EXTRACT_BE_U_4(obj_tptr + 8),
+ EXTRACT_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;
}
case LMP_OBJ_VERIFY_BEGIN:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
+ if (obj_tlen != 20) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Flags: %s",
bittok2str(lmp_obj_begin_verify_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr))));
+ EXTRACT_BE_U_2(obj_tptr))));
ND_PRINT((ndo, "\n\t Verify Interval: %u",
- EXTRACT_16BITS(obj_tptr+2)));
+ EXTRACT_BE_U_2(obj_tptr + 2)));
ND_PRINT((ndo, "\n\t Data links: %u",
- EXTRACT_32BITS(obj_tptr+4)));
+ EXTRACT_BE_U_4(obj_tptr + 4)));
ND_PRINT((ndo, "\n\t Encoding type: %s",
- tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
+ tok2str(gmpls_encoding_values, "Unknown", EXTRACT_U_1((obj_tptr + 8)))));
ND_PRINT((ndo, "\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);
+ EXTRACT_BE_U_2(obj_tptr + 10),
+ EXTRACT_BE_U_2(obj_tptr + 10),
+ EXTRACT_BE_U_2(obj_tptr + 10)&8000 ? " (Payload test messages capable)" : ""));
+ bw.i = EXTRACT_BE_U_4(obj_tptr + 12);
ND_PRINT((ndo, "\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000));
ND_PRINT((ndo, "\n\t Wavelength: %u",
- EXTRACT_32BITS(obj_tptr+16)));
+ EXTRACT_BE_U_4(obj_tptr + 16)));
break;
default:
case LMP_OBJ_VERIFY_BEGIN_ACK:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Verify Dead Interval: %u"
"\n\t Verify Transport Response: %u",
- EXTRACT_16BITS(obj_tptr),
- EXTRACT_16BITS(obj_tptr+2)));
+ EXTRACT_BE_U_2(obj_tptr),
+ EXTRACT_BE_U_2(obj_tptr + 2)));
break;
default:
case LMP_OBJ_VERIFY_ID:
switch(lmp_obj_ctype) {
case LMP_CTYPE_1:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Verify ID: %u",
- EXTRACT_32BITS(obj_tptr)));
+ EXTRACT_BE_U_4(obj_tptr)));
break;
default:
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)) ) {
+ while (offset+8 <= obj_tlen) {
ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
ipaddr_string(ndo, obj_tptr+offset),
- EXTRACT_32BITS(obj_tptr+offset)));
+ EXTRACT_BE_U_4(obj_tptr + offset)));
- ND_PRINT((ndo, "\n\t\t Active: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
- "Allocated" : "Non-allocated",
- (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
+ ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>31) ?
+ "Allocated" : "Non-allocated",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>31)));
- ND_PRINT((ndo, "\n\t\t Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
- "Transmit" : "Receive",
- (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
+ ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ?
+ "Transmit" : "Receive",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>30)&0x1));
ND_PRINT((ndo, "\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));
+ EXTRACT_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF),
+ EXTRACT_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((ndo, "\n\t Interface ID: %s (0x%08x)",
+ ip6addr_string(ndo, obj_tptr+offset),
+ EXTRACT_BE_U_4(obj_tptr + offset)));
+
+ ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 16)>>31) ?
+ "Allocated" : "Non-allocated",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 16)>>31)));
+
+ ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 16)>>30)&0x1 ?
+ "Transmit" : "Receive",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 16)>>30)&0x1));
+
+ ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
+ tok2str(lmp_obj_channel_status_values,
+ "Unknown",
+ EXTRACT_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF),
+ EXTRACT_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((ndo, "\n\t Interface ID: %u (0x%08x)",
+ EXTRACT_BE_U_4(obj_tptr + offset),
+ EXTRACT_BE_U_4(obj_tptr + offset)));
+
+ ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>31) ?
+ "Allocated" : "Non-allocated",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>31)));
+
+ ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ?
+ "Transmit" : "Receive",
+ (EXTRACT_BE_U_4(obj_tptr + offset + 4)>>30)&0x1));
+
+ ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
+ tok2str(lmp_obj_channel_status_values,
+ "Unknown",
+ EXTRACT_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF),
+ EXTRACT_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF));
+ offset+=8;
+ }
+ break;
+
default:
hexdump=TRUE;
}
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)) ) {
+ while (offset+4 <= obj_tlen) {
ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
ipaddr_string(ndo, obj_tptr+offset),
- EXTRACT_32BITS(obj_tptr+offset)));
+ EXTRACT_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((ndo, "\n\t Interface ID: %s (0x%08x)",
+ ip6addr_string(ndo, obj_tptr+offset),
+ EXTRACT_BE_U_4(obj_tptr + offset)));
+ offset+=16;
+ }
+ break;
+
+ case LMP_CTYPE_UNMD:
+ offset = 0;
+ while (offset+4 <= obj_tlen) {
+ ND_PRINT((ndo, "\n\t Interface ID: %u (0x%08x)",
+ EXTRACT_BE_U_4(obj_tptr + offset),
+ EXTRACT_BE_U_4(obj_tptr + offset)));
+ offset+=4;
+ }
+ break;
+
default:
hexdump=TRUE;
}
case LMP_OBJ_ERROR_CODE:
switch(lmp_obj_ctype) {
case LMP_CTYPE_BEGIN_VERIFY_ERROR:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Error Code: %s",
bittok2str(lmp_obj_begin_verify_error_values,
"none",
- EXTRACT_32BITS(obj_tptr))));
+ EXTRACT_BE_U_4(obj_tptr))));
break;
case LMP_CTYPE_LINK_SUMMARY_ERROR:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Error Code: %s",
bittok2str(lmp_obj_link_summary_error_values,
"none",
- EXTRACT_32BITS(obj_tptr))));
+ EXTRACT_BE_U_4(obj_tptr))));
break;
default:
hexdump=TRUE;
case LMP_OBJ_SERVICE_CONFIG:
switch (lmp_obj_ctype) {
case LMP_CTYPE_SERVICE_CONFIG_SP:
-
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Flags: %s",
bittok2str(lmp_obj_service_config_sp_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr)>>8)));
+ EXTRACT_U_1(obj_tptr))));
ND_PRINT((ndo, "\n\t UNI Version: %u",
- EXTRACT_16BITS(obj_tptr) & 0x00FF));
+ EXTRACT_U_1(obj_tptr + 1)));
break;
case LMP_CTYPE_SERVICE_CONFIG_CPSA:
+ if (obj_tlen != 16) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
- link_type = EXTRACT_16BITS(obj_tptr)>>8;
+ link_type = EXTRACT_U_1(obj_tptr);
ND_PRINT((ndo, "\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) {
+ switch (link_type) {
+ case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH:
ND_PRINT((ndo, "\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));
- }
+ EXTRACT_U_1(obj_tptr + 1)),
+ EXTRACT_U_1(obj_tptr + 1)));
+ break;
- if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
+ case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET:
ND_PRINT((ndo, "\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));
+ EXTRACT_U_1(obj_tptr + 1)),
+ EXTRACT_U_1(obj_tptr + 1)));
+ break;
}
ND_PRINT((ndo, "\n\t Transparency: %s",
bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+2)>>8)));
+ EXTRACT_U_1(obj_tptr + 2))));
ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF)));
+ EXTRACT_U_1(obj_tptr + 3))));
ND_PRINT((ndo, "\n\t Minimum NCC: %u",
- EXTRACT_16BITS(obj_tptr+4)));
+ EXTRACT_BE_U_2(obj_tptr + 4)));
ND_PRINT((ndo, "\n\t Maximum NCC: %u",
- EXTRACT_16BITS(obj_tptr+6)));
+ EXTRACT_BE_U_2(obj_tptr + 6)));
ND_PRINT((ndo, "\n\t Minimum NVC:%u",
- EXTRACT_16BITS(obj_tptr+8)));
+ EXTRACT_BE_U_2(obj_tptr + 8)));
ND_PRINT((ndo, "\n\t Maximum NVC:%u",
- EXTRACT_16BITS(obj_tptr+10)));
+ EXTRACT_BE_U_2(obj_tptr + 10)));
ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)",
ipaddr_string(ndo, obj_tptr+12),
- EXTRACT_32BITS(obj_tptr+12)));
+ EXTRACT_BE_U_4(obj_tptr + 12)));
break;
case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
+ if (obj_tlen != 8) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Transparency Flags: %s",
bittok2str(
lmp_obj_service_config_nsa_transparency_flag_values,
"none",
- EXTRACT_32BITS(obj_tptr))));
+ EXTRACT_BE_U_4(obj_tptr))));
ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
bittok2str(
lmp_obj_service_config_nsa_tcm_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+6) & 0x00FF)));
+ EXTRACT_U_1(obj_tptr + 7))));
break;
case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
+ if (obj_tlen != 4) {
+ ND_PRINT((ndo, " (not correct for object)"));
+ break;
+ }
ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
bittok2str(
lmp_obj_service_config_nsa_network_diversity_flag_values,
"none",
- EXTRACT_16BITS(obj_tptr+2) & 0x00FF)));
+ EXTRACT_U_1(obj_tptr + 3))));
break;
default:
hexdump = TRUE;
- };
+ }
break;
projects / tcpdump / blobdiff