*/
#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.21 2003-06-07 23:05:19 hannes Exp $";
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.29 2004-07-21 21:43:26 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_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
+ { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
{ 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
{ 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
{ 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
{ 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_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" },
#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:
return (parameter_length+4); /* header length 4 bytes */
}
-void
-rsvp_print(register const u_char *pptr, register u_int len) {
+static int
+rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) {
- const struct rsvp_common_header *rsvp_com_header;
const struct rsvp_object_header *rsvp_obj_header;
- const u_char *tptr,*obj_tptr;
- u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
- int hexdump,processed,padbytes,error_code,error_value;
+ const u_char *obj_tptr;
+ u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
+ int hexdump,processed,padbytes,error_code,error_value,i;
union {
float f;
u_int32_t i;
} bw;
-
- tptr=pptr;
- rsvp_com_header = (const struct rsvp_common_header *)pptr;
- TCHECK(*rsvp_com_header);
-
- /*
- * Sanity checking of the header.
- */
- if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
- printf("RSVP version %u packet not supported",
- RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
- return;
- }
-
- /* in non-verbose mode just lets print the basic Message Type*/
- if (vflag < 1) {
- printf("RSVP %s Message, length: %u",
- tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
- len);
- return;
- }
-
- /* ok they seem to want to know everything - lets fully decode it */
-
- tlen=EXTRACT_16BITS(rsvp_com_header->length);
-
- printf("RSVP\n\tv: %u, msg-type: %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),
- tlen,
- rsvp_com_header->ttl,
- EXTRACT_16BITS(rsvp_com_header->checksum));
-
- tptr+=sizeof(const struct rsvp_common_header);
- tlen-=sizeof(const struct rsvp_common_header);
+ u_int8_t namelen;
while(tlen>0) {
/* did we capture enough for fully decoding the object 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)
- return;
+ if(rsvp_obj_len % 4 || rsvp_obj_len < sizeof(struct rsvp_object_header)) {
+ printf("ERROR: object header too short %u < %lu", rsvp_obj_len,
+ (unsigned long)sizeof(const struct rsvp_object_header));
+ return -1;
+ }
- printf("\n\t %s Object (%u) Flags: [%s",
+ printf("%s%s Object (%u) Flags: [%s",
+ ident,
tok2str(rsvp_obj_values,
"Unknown",
rsvp_obj_header->class_num),
((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
rsvp_obj_ctype,
rsvp_obj_len);
-
+
obj_tptr=tptr+sizeof(struct rsvp_object_header);
obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
/* did we capture enough for fully decoding the object ? */
if (!TTEST2(*tptr, rsvp_obj_len))
- goto trunc;
+ return -1;
hexdump=FALSE;
switch(rsvp_obj_header->class_num) {
case RSVP_OBJ_SESSION:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
- printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x",
+ if (obj_tlen < 8)
+ return -1;
+ printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
+ ident,
ipaddr_string(obj_tptr),
*(obj_tptr+4));
- printf("\n\t Flags: [0x%02x], DestPort %u",
+ printf("%s Flags: [0x%02x], DestPort %u",
+ ident,
*(obj_tptr+5),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
- printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x",
+ if (obj_tlen < 20)
+ return -1;
+ printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
+ ident,
ip6addr_string(obj_tptr),
*(obj_tptr+16));
- printf("\n\t Flags: [0x%02x], DestPort %u",
+ printf("%s Flags: [0x%02x], DestPort %u",
+ ident,
*(obj_tptr+17),
EXTRACT_16BITS(obj_tptr+18));
obj_tlen-=20;
break;
case RSVP_CTYPE_TUNNEL_IPV6:
- printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ if (obj_tlen < 36)
+ return -1;
+ printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ ident,
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18),
ip6addr_string(obj_tptr+20));
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
- printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ if (obj_tlen < 12)
+ return -1;
+ printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ ident,
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6),
ipaddr_string(obj_tptr+8));
case RSVP_OBJ_CONFIRM:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
- printf("\n\t IPv4 Receiver Address %s",
+ if (obj_tlen < 4)
+ return -1;
+ printf("%s IPv4 Receiver Address: %s",
+ ident,
ipaddr_string(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
- printf("\n\t IPv6 Receiver Address %s",
+ if (obj_tlen < 16)
+ return -1;
+ printf("%s IPv6 Receiver Address: %s",
+ ident,
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 -1;
+ printf("%s IPv4 Notify Node Address: %s",
+ ident,
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-1;
+ printf("%s IPv6 Notify Node Address: %s",
+ ident,
ip6addr_string(obj_tptr));
obj_tlen-=16;
obj_tptr+=16;
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
while(obj_tlen >= 4 ) {
- printf("\n\t Label %u", EXTRACT_32BITS(obj_tptr));
+ printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
}
break;
case RSVP_CTYPE_2:
- printf("\n\t Generalized Label %u",
+ if (obj_tlen < 4)
+ return-1;
+ printf("%s Generalized Label: %u",
+ ident,
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-1;
+ printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
+ ident,
EXTRACT_32BITS(obj_tptr),
+ ident,
EXTRACT_32BITS(obj_tptr+4),
EXTRACT_32BITS(obj_tptr+8));
obj_tlen-=12;
case RSVP_OBJ_STYLE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
- printf("\n\t Reservation Style: %s, Flags: [0x%02x]",
+ if (obj_tlen < 4)
+ return-1;
+ printf("%s Reservation Style: %s, Flags: [0x%02x]",
+ ident,
tok2str(rsvp_resstyle_values,
"Unknown",
EXTRACT_24BITS(obj_tptr+1)),
case RSVP_OBJ_SENDER_TEMPLATE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
- printf("\n\t Source Address: %s, Source Port: %u",
+ if (obj_tlen < 8)
+ return-1;
+ printf("%s Source Address: %s, Source Port: %u",
+ ident,
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
- printf("\n\t Source Address: %s, Source Port: %u",
+ if (obj_tlen < 20)
+ return-1;
+ printf("%s Source Address: %s, Source Port: %u",
+ ident,
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
obj_tlen-=20;
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
- printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
+ if (obj_tlen < 8)
+ return-1;
+ printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
+ ident,
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
while(obj_tlen >= 4 ) {
- printf("\n\t L3 Protocol ID %s",
+ printf("%s L3 Protocol ID: %s",
+ ident,
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-1;
+ printf("%s L3 Protocol ID: %s",
+ ident,
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("%s Minimum VPI/VCI: %u/%u",
+ ident,
(EXTRACT_16BITS(obj_tptr+4))&0xfff,
(EXTRACT_16BITS(obj_tptr+6))&0xfff);
- printf("\n\t Maximum VPI/VCI %u/%u",
+ printf("%s Maximum VPI/VCI: %u/%u",
+ ident,
(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-1;
+ printf("%s L3 Protocol ID: %s",
+ ident,
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("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
+ ident,
(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-1;
+ printf("%s LSP Encoding Type: %s (%u)",
+ ident,
tok2str(gmpls_encoding_values,
- "Unknown (0x%02x)",
- *obj_tptr));
- printf("\n\t Switching Type %s, Payload ID %s",
+ "Unknown",
+ *obj_tptr),
+ *obj_tptr);
+ printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
+ ident,
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_IPV4:
while(obj_tlen >= 4 ) {
- printf("\n\t Subobject Type: %s",
+ printf("%s Subobject Type: %s",
+ ident,
tok2str(rsvp_obj_xro_values,
"Unknown %u",
RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)));
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-1;
+ printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
+ ident,
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-1;
+ printf("%s Restart Time: %ums, Recovery Time: %ums",
+ ident,
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));
- printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
+ if (obj_tlen < 4)
+ return-1;
+ namelen = *(obj_tptr+3);
+ if (obj_tlen < 4+namelen)
+ return-1;
+ printf("%s Session Name: ", ident);
+ for (i = 0; i < namelen; i++)
+ safeputchar(*(obj_tptr+4+i));
+ printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
+ ident,
(int)*obj_tptr,
(int)*(obj_tptr+1),
tok2str(rsvp_session_attribute_flag_values,
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
case RSVP_CTYPE_IPV4:
- printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
+ if (obj_tlen < 8)
+ return-1;
+ printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
+ ident,
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:
- printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
+ if (obj_tlen < 20)
+ return-1;
+ printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
+ ident,
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:
- printf("\n\t Refresh Period: %ums",
+ if (obj_tlen < 4)
+ return-1;
+ printf("%s Refresh Period: %ums",
+ ident,
EXTRACT_32BITS(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
case RSVP_OBJ_FLOWSPEC:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_2:
- printf("\n\t Msg-Version: %u, length: %u",
+ if (obj_tlen < 4)
+ return-1;
+ printf("%s Msg-Version: %u, length: %u",
+ ident,
(*obj_tptr & 0xf0) >> 4,
EXTRACT_16BITS(obj_tptr+2)<<2);
obj_tptr+=4; /* get to the start of the service header */
while (obj_tlen >= 4) {
intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
- printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u",
+ printf("%s Service Type: %s (%u), break bit %s set, Service length: %u",
+ ident,
tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
*(obj_tptr),
(*(obj_tptr+1)&0x80) ? "" : "not",
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:
- printf("\n\t Source Address: %s, Source Port: %u",
+ if (obj_tlen < 8)
+ return-1;
+ printf("%s Source Address: %s, Source Port: %u",
+ ident,
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
- printf("\n\t Source Address: %s, Source Port: %u",
+ if (obj_tlen < 20)
+ return-1;
+ printf("%s Source Address: %s, Source Port: %u",
+ ident,
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
obj_tlen-=20;
obj_tptr+=20;
break;
case RSVP_CTYPE_3:
- printf("\n\t Source Address: %s, Flow Label: %u",
+ if (obj_tlen < 20)
+ return-1;
+ printf("%s Source Address: %s, Flow Label: %u",
+ ident,
ip6addr_string(obj_tptr),
EXTRACT_24BITS(obj_tptr+17));
obj_tlen-=20;
obj_tptr+=20;
break;
case RSVP_CTYPE_TUNNEL_IPV6:
- printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
+ if (obj_tlen < 20)
+ return-1;
+ printf("%s Source Address: %s, LSP-ID: 0x%04x",
+ ident,
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
obj_tlen-=20;
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
- printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
+ if (obj_tlen < 8)
+ return-1;
+ printf("%s Source Address: %s, LSP-ID: 0x%04x",
+ ident,
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
case RSVP_OBJ_FASTREROUTE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 16)
+ return-1;
bw.i = EXTRACT_32BITS(obj_tptr+4);
- printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
+ printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
+ ident,
(int)*obj_tptr,
(int)*(obj_tptr+1),
(int)*(obj_tptr+2),
bw.f*8/1000000);
- printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x",
+ printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
+ ident,
EXTRACT_32BITS(obj_tptr+8),
EXTRACT_32BITS(obj_tptr+12));
obj_tlen-=16;
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_TUNNEL_IPV4:
while(obj_tlen >= 8) {
- printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s",
+ printf("%s PLR-ID: %s, Avoid-Node-ID: %s",
+ ident,
ipaddr_string(obj_tptr),
ipaddr_string(obj_tptr+4));
obj_tlen-=8;
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ return-1;
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("%s Error Node Adress: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
+ ident,
ipaddr_string(obj_tptr),
*(obj_tptr+4),
+ ident,
tok2str(rsvp_obj_error_code_values,"unknown",error_code),
error_code);
switch (error_code) {
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-1;
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)",
+ printf("%s Error Node Adress: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
+ ident,
ip6addr_string(obj_tptr),
*(obj_tptr+16),
+ ident,
tok2str(rsvp_obj_error_code_values,"unknown",error_code),
error_code);
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-1;
padbytes = EXTRACT_16BITS(obj_tptr+2);
- printf("\n\t TLV count: %u, padding bytes: %u",
+ printf("%s TLV count: %u, padding bytes: %u",
+ ident,
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 */
+ printf("%s %s TLV (0x%02x), length: %u", /* length includes header */
+ ident,
tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
*obj_tptr,
*(obj_tptr+1));
+ if (obj_tlen < *(obj_tptr+1))
+ return-1;
print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
obj_tlen-=*(obj_tptr+1);
obj_tptr+=*(obj_tptr+1);
}
break;
+ case RSVP_OBJ_MESSAGE_ID: /* fall through */
+ case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
+ case RSVP_OBJ_MESSAGE_ID_LIST:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 8)
+ return-1;
+ printf("%s Flags [0x%02x], epoch: %u",
+ ident,
+ *obj_tptr,
+ EXTRACT_24BITS(obj_tptr+1));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ /* loop through as long there are no messages left */
+ while(obj_tlen >= 4) {
+ printf("%s Message-ID 0x%08x (%u)",
+ ident,
+ EXTRACT_32BITS(obj_tptr),
+ EXTRACT_32BITS(obj_tptr));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ }
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
/*
* FIXME those are the defined objects that lack a decoder
* you are welcome to contribute code ;-)
case RSVP_OBJ_INTEGRITY:
case RSVP_OBJ_SCOPE:
case RSVP_OBJ_POLICY_DATA:
- case RSVP_OBJ_MESSAGE_ID:
- case RSVP_OBJ_MESSAGE_ID_ACK:
- case RSVP_OBJ_MESSAGE_ID_LIST:
case RSVP_OBJ_LABEL_SET:
case RSVP_OBJ_ACCEPT_LABEL_SET:
case RSVP_OBJ_PROTECTION:
default:
if (vflag <= 1)
- print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
+ print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME identation */
break;
}
/* do we want to see an additionally hexdump ? */
if (vflag > 1 || hexdump==TRUE)
- print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ",
+ print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME identation */
rsvp_obj_len-sizeof(struct rsvp_object_header));
tptr+=rsvp_obj_len;
tlen-=rsvp_obj_len;
}
+ return 0;
+trunc:
+ printf("\n\t\t packet exceeded snapshot");
+ return -1;
+}
+
+
+void
+rsvp_print(register const u_char *pptr, register u_int len) {
+
+ const struct rsvp_common_header *rsvp_com_header;
+ const u_char *tptr,*subtptr;
+ u_short tlen,subtlen;
+
+ tptr=pptr;
+
+ rsvp_com_header = (const struct rsvp_common_header *)pptr;
+ TCHECK(*rsvp_com_header);
+
+ /*
+ * Sanity checking of the header.
+ */
+ if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
+ printf("ERROR: RSVP version %u packet not supported",
+ RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
+ return;
+ }
+
+ /* in non-verbose mode just lets print the basic Message Type*/
+ if (vflag < 1) {
+ printf("RSVPv%u %s Message, length: %u",
+ RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
+ tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
+ len);
+ return;
+ }
+
+ /* ok they seem to want to know everything - lets fully decode it */
+
+ tlen=EXTRACT_16BITS(rsvp_com_header->length);
+
+ printf("\n\tRSVPv%u %s Message (%u), 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),
+ 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)) {
+ printf("ERROR: common header too short %u < %lu", tlen,
+ (unsigned long)sizeof(const struct rsvp_common_header));
+ return;
+ }
+
+ tptr+=sizeof(const struct rsvp_common_header);
+ tlen-=sizeof(const struct rsvp_common_header);
+
+ switch(rsvp_com_header->msg_type) {
+
+ case RSVP_MSGTYPE_AGGREGATE:
+ while(tlen > 0) {
+ subtptr=tptr;
+ rsvp_com_header = (const struct rsvp_common_header *)subtptr;
+ TCHECK(*rsvp_com_header);
+
+ /*
+ * Sanity checking of the header.
+ */
+ if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
+ printf("ERROR: RSVP version %u packet not supported",
+ RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
+ return;
+ }
+ subtlen=EXTRACT_16BITS(rsvp_com_header->length);
+
+ printf("\n\t RSVPv%u %s Message (%u), 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),
+ rsvp_com_header->msg_type,
+ bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
+ subtlen,
+ rsvp_com_header->ttl,
+ EXTRACT_16BITS(rsvp_com_header->checksum));
+
+ if (subtlen < sizeof(const struct rsvp_common_header)) {
+ printf("ERROR: common header too short %u < %lu", subtlen,
+ (unsigned long)sizeof(const struct rsvp_common_header));
+ return;
+ }
+
+ subtptr+=sizeof(const struct rsvp_common_header);
+ subtlen-=sizeof(const struct rsvp_common_header);
+
+ if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1)
+ return;
+
+ tptr+=subtlen+sizeof(const struct rsvp_common_header);
+ tlen-=subtlen+sizeof(const struct rsvp_common_header);
+ }
+
+ break;
+
+ case RSVP_MSGTYPE_PATH:
+ case RSVP_MSGTYPE_RESV:
+ case RSVP_MSGTYPE_PATHERR:
+ case RSVP_MSGTYPE_RESVERR:
+ case RSVP_MSGTYPE_PATHTEAR:
+ case RSVP_MSGTYPE_RESVTEAR:
+ case RSVP_MSGTYPE_RESVCONF:
+ case RSVP_MSGTYPE_HELLO_OLD:
+ case RSVP_MSGTYPE_HELLO:
+ case RSVP_MSGTYPE_ACK:
+ case RSVP_MSGTYPE_SREFRESH:
+ if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1)
+ return;
+ break;
+
+ default:
+ print_unknown_data(tptr,"\n\t ",tlen);
+ break;
+ }
+
return;
trunc:
printf("\n\t\t packet exceeded snapshot");
projects / tcpdump / blobdiff