*/
#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.20 2003-06-07 22:41:31 hannes Exp $";
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.27 2004-03-24 04:00:38 guy Exp $";
#endif
#ifdef HAVE_CONFIG_H
#define RSVP_VERSION 1
#define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
+#define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
#define RSVP_MSGTYPE_PATH 1
#define RSVP_MSGTYPE_RESV 2
{ 0, NULL}
};
+static const struct tok rsvp_header_flag_values[] = {
+ { 0x01, "Refresh reduction capable" }, /* rfc2961 */
+ { 0, NULL}
+};
+
#define RSVP_OBJ_SESSION 1 /* rfc2205 */
#define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
#define RSVP_OBJ_INTEGRITY 4
{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
- { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "generalized" },
- { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
+ { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
{ 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
- { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
{ 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
- { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
{ 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
+ { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
+ { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
{ 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
#define TRUE 1
-int rsvp_intserv_print(const u_char *);
+static int rsvp_intserv_print(const u_char *, u_short);
/*
* this is a dissector for all the intserv defined
* it is called from various rsvp objects;
* returns the amount of bytes being processed
*/
-int
-rsvp_intserv_print(const u_char *tptr) {
+static int
+rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
int parameter_id,parameter_length;
union {
u_int32_t i;
} bw;
+ if (obj_tlen < 4)
+ return 0;
parameter_id = *(tptr);
parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
parameter_length,
*(tptr+1));
+ if (obj_tlen < parameter_length+4)
+ return 0;
switch(parameter_id) { /* parameter_id */
case 4:
* | IS hop cnt (32-bit unsigned integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
- printf("\n\t\tIS hop cnt: %u", EXTRACT_32BITS(tptr+4));
+ if (parameter_length == 4)
+ printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
break;
case 6:
* | Path b/w estimate (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
- bw.i = EXTRACT_32BITS(tptr+4);
- printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
+ if (parameter_length == 4) {
+ bw.i = EXTRACT_32BITS(tptr+4);
+ printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
+ }
break;
case 8:
* | Minimum path latency (32-bit integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
- printf("\n\t\tMinimum path latency: ");
- if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
- printf("don't care");
- else
- printf("%u", EXTRACT_32BITS(tptr+4));
+ if (parameter_length == 4) {
+ printf("\n\t\tMinimum path latency: ");
+ if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
+ printf("don't care");
+ else
+ printf("%u", EXTRACT_32BITS(tptr+4));
+ }
break;
case 10:
* | Composed MTU (32-bit unsigned integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
- printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
+ if (parameter_length == 4)
+ printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
break;
case 127:
/*
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
- bw.i = EXTRACT_32BITS(tptr+4);
- printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
- bw.i = EXTRACT_32BITS(tptr+8);
- printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
- bw.i = EXTRACT_32BITS(tptr+12);
- printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
- printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
- printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
+ if (parameter_length == 20) {
+ bw.i = EXTRACT_32BITS(tptr+4);
+ printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
+ bw.i = EXTRACT_32BITS(tptr+8);
+ printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
+ bw.i = EXTRACT_32BITS(tptr+12);
+ printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
+ printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
+ printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
+ }
break;
case 130:
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
- bw.i = EXTRACT_32BITS(tptr+4);
- printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
- printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
+ if (parameter_length == 8) {
+ bw.i = EXTRACT_32BITS(tptr+4);
+ printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
+ printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
+ }
break;
case 133:
case 134:
case 135:
case 136:
- printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
+ if (parameter_length == 4)
+ printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
break;
default:
float f;
u_int32_t i;
} bw;
+ u_int8_t namelen;
+ u_int i;
tptr=pptr;
rsvp_com_header = (const struct rsvp_common_header *)pptr;
tlen=EXTRACT_16BITS(rsvp_com_header->length);
- printf("RSVP\n\tv: %u, msg-type: %s, length: %u, ttl: %u, checksum: 0x%04x",
+ printf("RSVP\n\tv: %u, msg-type: %s, Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
+ bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
tlen,
rsvp_com_header->ttl,
EXTRACT_16BITS(rsvp_com_header->checksum));
+ if (tlen < sizeof(const struct rsvp_common_header))
+ return;
tptr+=sizeof(const struct rsvp_common_header);
tlen-=sizeof(const struct rsvp_common_header);
rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
rsvp_obj_ctype=rsvp_obj_header->ctype;
- if(rsvp_obj_len % 4 || rsvp_obj_len < 4)
+ if(rsvp_obj_len % 4 || rsvp_obj_len < sizeof(struct rsvp_object_header))
return;
printf("\n\t %s Object (%u) Flags: [%s",
case RSVP_OBJ_SESSION:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ return;
printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x",
ipaddr_string(obj_tptr),
*(obj_tptr+4));
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ return;
printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x",
ip6addr_string(obj_tptr),
*(obj_tptr+16));
break;
case RSVP_CTYPE_TUNNEL_IPV6:
+ if (obj_tlen < 36)
+ return;
printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18),
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 12)
+ return;
printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6),
case RSVP_OBJ_CONFIRM:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
- printf("\n\t IPv4 ReceiverAddress: %s",
+ if (obj_tlen < 4)
+ return;
+ printf("\n\t IPv4 Receiver Address: %s",
ipaddr_string(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
- printf("\n\t IPv6 ReceiverAddress: %s",
+ if (obj_tlen < 16)
+ return;
+ printf("\n\t IPv6 Receiver Address: %s",
ip6addr_string(obj_tptr));
obj_tlen-=16;
obj_tptr+=16;
case RSVP_OBJ_NOTIFY_REQ:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
- printf("\n\t IPv4 Notify Node Address %s",
+ if (obj_tlen < 4)
+ return;
+ printf("\n\t IPv4 Notify Node Address: %s",
ipaddr_string(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
- printf("\n\t IPv6 Notify Node Address %s",
+ if (obj_tlen < 16)
+ return;
+ printf("\n\t IPv6 Notify Node Address: %s",
ip6addr_string(obj_tptr));
obj_tlen-=16;
obj_tptr+=16;
case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
+ case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
case RSVP_OBJ_LABEL:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
while(obj_tlen >= 4 ) {
- printf("\n\t Label %u", EXTRACT_32BITS(obj_tptr));
+ printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
}
break;
+ case RSVP_CTYPE_2:
+ if (obj_tlen < 4)
+ return;
+ printf("\n\t Generalized Label: %u",
+ EXTRACT_32BITS(obj_tptr));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
case RSVP_CTYPE_3:
- printf("\n\t Waveband ID %u\n\t Start Label %u, Stop Label %u",
+ if (obj_tlen < 12)
+ return;
+ printf("\n\t Waveband ID: %u\n\t Start Label: %u, Stop Label: %u",
EXTRACT_32BITS(obj_tptr),
EXTRACT_32BITS(obj_tptr+4),
EXTRACT_32BITS(obj_tptr+8));
- obj_tlen-=16;
- obj_tptr+=16;
+ obj_tlen-=12;
+ obj_tptr+=12;
break;
default:
hexdump=TRUE;
case RSVP_OBJ_STYLE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ return;
printf("\n\t Reservation Style: %s, Flags: [0x%02x]",
tok2str(rsvp_resstyle_values,
"Unknown",
case RSVP_OBJ_SENDER_TEMPLATE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ return;
printf("\n\t Source Address: %s, Source Port: %u",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ return;
printf("\n\t Source Address: %s, Source Port: %u",
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 8)
+ return;
printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
while(obj_tlen >= 4 ) {
- printf("\n\t L3 Protocol ID %s",
+ printf("\n\t L3 Protocol ID: %s",
tok2str(ethertype_values,
"Unknown Protocol (0x%04x)",
EXTRACT_16BITS(obj_tptr+2)));
}
break;
case RSVP_CTYPE_2:
- printf("\n\t L3 Protocol ID %s",
+ if (obj_tlen < 12)
+ return;
+ printf("\n\t L3 Protocol ID: %s",
tok2str(ethertype_values,
"Unknown Protocol (0x%04x)",
EXTRACT_16BITS(obj_tptr+2)));
printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
- printf("\n\t Minimum VPI/VCI %u/%u",
+ printf("\n\t Minimum VPI/VCI: %u/%u",
(EXTRACT_16BITS(obj_tptr+4))&0xfff,
(EXTRACT_16BITS(obj_tptr+6))&0xfff);
- printf("\n\t Maximum VPI/VCI %u/%u",
+ printf("\n\t Maximum VPI/VCI: %u/%u",
(EXTRACT_16BITS(obj_tptr+8))&0xfff,
(EXTRACT_16BITS(obj_tptr+10))&0xfff);
obj_tlen-=12;
obj_tptr+=12;
break;
case RSVP_CTYPE_3:
- printf("\n\t L3 Protocol ID %s",
+ if (obj_tlen < 12)
+ return;
+ printf("\n\t L3 Protocol ID: %s",
tok2str(ethertype_values,
"Unknown Protocol (0x%04x)",
EXTRACT_16BITS(obj_tptr+2)));
- printf("\n\t Minimum/Maximum DLCI %u/%u, %s%s bit DLCI",
+ printf("\n\t Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
(EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
(EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
(((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
obj_tptr+=12;
break;
case RSVP_CTYPE_4:
- printf("\n\t LSP Encoding Type %s",
+ if (obj_tlen < 8)
+ return;
+ printf("\n\t LSP Encoding Type: %s (%u)",
tok2str(gmpls_encoding_values,
- "Unknown (0x%02x)",
- *obj_tptr));
- printf("\n\t Switching Type %s, Payload ID %s",
+ "Unknown",
+ *obj_tptr),
+ *obj_tptr);
+ printf("\n\t Switching Type: %s (%u), Payload ID: %s (0x%04x)",
tok2str(gmpls_switch_cap_values,
- "Unknown (0x%02x)",
+ "Unknown",
*(obj_tptr+1)),
+ *(obj_tptr+1),
tok2str(gmpls_payload_values,
- "Unknown (0x%04x)",
- EXTRACT_16BITS(obj_tptr+2)));
+ "Unknown",
+ EXTRACT_16BITS(obj_tptr+2)),
+ EXTRACT_16BITS(obj_tptr+2));
obj_tlen-=8;
obj_tptr+=8;
break;
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
case RSVP_CTYPE_2:
- printf("\n\t Source Instance 0x%08x, Destination Instance 0x%08x",
+ if (obj_tlen < 8)
+ return;
+ printf("\n\t Source Instance: 0x%08x, Destination Instance: 0x%08x",
EXTRACT_32BITS(obj_tptr),
EXTRACT_32BITS(obj_tptr+4));
obj_tlen-=8;
case RSVP_OBJ_RESTART_CAPABILITY:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
- printf("\n\t Restart Time: %ums\n\t Recovery Time: %ums",
+ if (obj_tlen < 8)
+ return;
+ printf("\n\t Restart Time: %ums, Recovery Time: %ums",
EXTRACT_16BITS(obj_tptr),
EXTRACT_16BITS(obj_tptr+4));
+ obj_tlen-=8;
+ obj_tptr+=8;
break;
default:
hexdump=TRUE;
case RSVP_OBJ_SESSION_ATTRIBUTE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_TUNNEL_IPV4:
- printf("\n\t Session Name: %s",(obj_tptr+4));
+ if (obj_tlen < 4)
+ return;
+ namelen = *(obj_tptr+3);
+ if (obj_tlen < 4+namelen)
+ return;
+ printf("\n\t Session Name: ");
+ for (i = 0; i < namelen; i++)
+ safeputchar(*(obj_tptr+4+i));
printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
(int)*obj_tptr,
(int)*(obj_tptr+1),
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ return;
printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
ipaddr_string(obj_tptr),
EXTRACT_32BITS(obj_tptr+4));
obj_tlen-=8;
obj_tptr+=8;
+ hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
break;
#ifdef INET6
case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ return;
printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
ip6addr_string(obj_tptr),
EXTRACT_32BITS(obj_tptr+16));
obj_tlen-=20;
obj_tptr+=20;
+ hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
break;
#endif
default:
case RSVP_OBJ_TIME_VALUES:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ return;
printf("\n\t Refresh Period: %ums",
EXTRACT_32BITS(obj_tptr));
obj_tlen-=4;
case RSVP_OBJ_FLOWSPEC:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_2:
+ if (obj_tlen < 4)
+ return;
printf("\n\t Msg-Version: %u, length: %u",
(*obj_tptr & 0xf0) >> 4,
EXTRACT_16BITS(obj_tptr+2)<<2);
obj_tlen-=4;
while (intserv_serv_tlen>=4) {
- processed = rsvp_intserv_print(obj_tptr);
+ processed = rsvp_intserv_print(obj_tptr, obj_tlen);
if (processed == 0)
break;
obj_tlen-=processed;
case RSVP_OBJ_FILTERSPEC:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ return;
printf("\n\t Source Address: %s, Source Port: %u",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ return;
printf("\n\t Source Address: %s, Source Port: %u",
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
obj_tptr+=20;
break;
case RSVP_CTYPE_3:
+ if (obj_tlen < 20)
+ return;
printf("\n\t Source Address: %s, Flow Label: %u",
ip6addr_string(obj_tptr),
EXTRACT_24BITS(obj_tptr+17));
obj_tptr+=20;
break;
case RSVP_CTYPE_TUNNEL_IPV6:
+ if (obj_tlen < 20)
+ return;
printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 8)
+ return;
printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
case RSVP_OBJ_FASTREROUTE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 16)
+ return;
bw.i = EXTRACT_32BITS(obj_tptr+4);
printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
(int)*obj_tptr,
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ return;
error_code=*(obj_tptr+5);
error_value=EXTRACT_16BITS(obj_tptr+6);
printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
printf(", Unknown Error Value (%u)", error_value);
break;
}
+ obj_tlen-=8;
+ obj_tptr+=8;
break;
#ifdef INET6
case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ return;
error_code=*(obj_tptr+17);
error_value=EXTRACT_16BITS(obj_tptr+18);
printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
default:
break;
}
-
+ obj_tlen-=20;
+ obj_tptr+=20;
break;
#endif
default:
case RSVP_OBJ_PROPERTIES:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ return;
padbytes = EXTRACT_16BITS(obj_tptr+2);
printf("\n\t TLV count: %u, padding bytes: %u",
EXTRACT_16BITS(obj_tptr),
padbytes);
- obj_tlen-=4;
- obj_tptr+=4;
+ obj_tlen-=4;
+ obj_tptr+=4;
/* loop through as long there is anything longer than the TLV header (2) */
while(obj_tlen >= 2 + padbytes) {
printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */
tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
*obj_tptr,
*(obj_tptr+1));
+ if (obj_tlen < *(obj_tptr+1))
+ return;
print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
obj_tlen-=*(obj_tptr+1);
obj_tptr+=*(obj_tptr+1);
case RSVP_OBJ_MESSAGE_ID:
case RSVP_OBJ_MESSAGE_ID_ACK:
case RSVP_OBJ_MESSAGE_ID_LIST:
- case RSVP_OBJ_RECOVERY_LABEL:
case RSVP_OBJ_LABEL_SET:
case RSVP_OBJ_ACCEPT_LABEL_SET:
case RSVP_OBJ_PROTECTION:
projects / tcpdump / blobdiff