#ifndef lint
static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.23 2000-10-03 02:55:00 itojun Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.24 2001-01-28 08:27:28 itojun Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
static void
pimv1_join_prune_print(register const u_char *bp, register u_int len)
{
- int maddrlen, addrlen, ngroups, njoin, nprune;
- int njp;
-
- /* If it's a single group and a single source, use 1-line output. */
- if (TTEST2(bp[0], 30) && bp[11] == 1 &&
- ((njoin = EXTRACT_16BITS(&bp[20])) + EXTRACT_16BITS(&bp[22])) == 1) {
- int hold;
-
- (void)printf(" RPF %s ", ipaddr_string(bp));
- hold = EXTRACT_16BITS(&bp[6]);
- if (hold != 180) {
- (void)printf("Hold ");
- relts_print(hold);
- }
- (void)printf("%s (%s/%d, %s", njoin ? "Join" : "Prune",
- ipaddr_string(&bp[26]), bp[25] & 0x3f,
- ipaddr_string(&bp[12]));
- if (EXTRACT_32BITS(&bp[16]) != 0xffffffff)
- (void)printf("/%s", ipaddr_string(&bp[16]));
- (void)printf(") %s%s %s",
+ int maddrlen, addrlen, ngroups, njoin, nprune;
+ int njp;
+
+ /* If it's a single group and a single source, use 1-line output. */
+ if (TTEST2(bp[0], 30) && bp[11] == 1 &&
+ ((njoin = EXTRACT_16BITS(&bp[20])) + EXTRACT_16BITS(&bp[22])) == 1) {
+ int hold;
+
+ (void)printf(" RPF %s ", ipaddr_string(bp));
+ hold = EXTRACT_16BITS(&bp[6]);
+ if (hold != 180) {
+ (void)printf("Hold ");
+ relts_print(hold);
+ }
+ (void)printf("%s (%s/%d, %s", njoin ? "Join" : "Prune",
+ ipaddr_string(&bp[26]), bp[25] & 0x3f,
+ ipaddr_string(&bp[12]));
+ if (EXTRACT_32BITS(&bp[16]) != 0xffffffff)
+ (void)printf("/%s", ipaddr_string(&bp[16]));
+ (void)printf(") %s%s %s",
(bp[24] & 0x01) ? "Sparse" : "Dense",
(bp[25] & 0x80) ? " WC" : "",
(bp[25] & 0x40) ? "RP" : "SPT");
- return;
- }
-
- TCHECK2(bp[0], 4);
- (void)printf("\n Upstream Nbr: %s", ipaddr_string(bp));
- TCHECK2(bp[6], 2);
- (void)printf("\n Hold time: ");
- relts_print(EXTRACT_16BITS(&bp[6]));
- bp += 8; len -= 8;
-
- TCHECK2(bp[0], 4);
- maddrlen = bp[1];
- addrlen = bp[2];
- ngroups = bp[3];
- bp += 4; len -= 4;
- while (ngroups--) {
+ return;
+ }
+
TCHECK2(bp[0], 4);
- (void)printf("\n\tGroup: %s", ipaddr_string(bp));
- if (EXTRACT_32BITS(&bp[4]) != 0xffffffff)
- (void)printf("/%s", ipaddr_string(&bp[4]));
- TCHECK2(bp[8], 4);
- njoin = EXTRACT_16BITS(&bp[8]);
- nprune = EXTRACT_16BITS(&bp[10]);
- (void)printf(" joined: %d pruned: %d", njoin, nprune);
- bp += 12; len -= 12;
- for (njp = 0; njp < (njoin + nprune); njp++) {
- char *type;
-
- if (njp < njoin) {
- type = "Join ";
- } else {
- type = "Prune";
- }
- TCHECK2(bp[0], 6);
- (void)printf("\n\t%s %s%s%s%s/%d", type,
+ (void)printf("\n Upstream Nbr: %s", ipaddr_string(bp));
+ TCHECK2(bp[6], 2);
+ (void)printf("\n Hold time: ");
+ relts_print(EXTRACT_16BITS(&bp[6]));
+ bp += 8;
+ len -= 8;
+
+ TCHECK2(bp[0], 4);
+ maddrlen = bp[1];
+ addrlen = bp[2];
+ ngroups = bp[3];
+ bp += 4;
+ len -= 4;
+ while (ngroups--) {
+ TCHECK2(bp[0], 4);
+ (void)printf("\n\tGroup: %s", ipaddr_string(bp));
+ if (EXTRACT_32BITS(&bp[4]) != 0xffffffff)
+ (void)printf("/%s", ipaddr_string(&bp[4]));
+ TCHECK2(bp[8], 4);
+ njoin = EXTRACT_16BITS(&bp[8]);
+ nprune = EXTRACT_16BITS(&bp[10]);
+ (void)printf(" joined: %d pruned: %d", njoin, nprune);
+ bp += 12;
+ len -= 12;
+ for (njp = 0; njp < (njoin + nprune); njp++) {
+ char *type;
+
+ if (njp < njoin)
+ type = "Join ";
+ else
+ type = "Prune";
+ TCHECK2(bp[0], 6);
+ (void)printf("\n\t%s %s%s%s%s/%d", type,
(bp[0] & 0x01) ? "Sparse " : "Dense ",
(bp[1] & 0x80) ? "WC " : "",
(bp[1] & 0x40) ? "RP " : "SPT ",
- ipaddr_string(&bp[2]), bp[1] & 0x3f);
- bp += 6; len -= 6;
+ ipaddr_string(&bp[2]), bp[1] & 0x3f);
+ bp += 6;
+ len -= 6;
+ }
}
- }
- return;
+ return;
trunc:
- (void)printf("[|pim]");
- return;
+ (void)printf("[|pim]");
+ return;
}
void
pimv1_print(register const u_char *bp, register u_int len)
{
- register const u_char *ep;
- register u_char type;
+ register const u_char *ep;
+ register u_char type;
- ep = (const u_char *)snapend;
- if (bp >= ep)
- return;
+ ep = (const u_char *)snapend;
+ if (bp >= ep)
+ return;
- type = bp[1];
+ type = bp[1];
- switch (type) {
- case 0:
- (void)printf(" Query");
- if (TTEST(bp[8])) {
- switch (bp[8] >> 4) {
- case 0: (void)printf(" Dense-mode");
+ switch (type) {
+ case 0:
+ (void)printf(" Query");
+ if (TTEST(bp[8])) {
+ switch (bp[8] >> 4) {
+ case 0:
+ (void)printf(" Dense-mode");
break;
- case 1: (void)printf(" Sparse-mode");
+ case 1:
+ (void)printf(" Sparse-mode");
break;
- case 2: (void)printf(" Sparse-Dense-mode");
+ case 2:
+ (void)printf(" Sparse-Dense-mode");
break;
- default: (void)printf(" mode-%d", bp[8] >> 4);
+ default:
+ (void)printf(" mode-%d", bp[8] >> 4);
break;
+ }
}
- }
- if (vflag) {
- TCHECK2(bp[10],2);
- (void)printf(" (Hold-time ");
- relts_print(EXTRACT_16BITS(&bp[10]));
- (void)printf(")");
- }
- break;
-
- case 1:
- (void)printf(" Register");
- TCHECK2(bp[8], 20); /* ip header */
- (void)printf(" for %s > %s", ipaddr_string(&bp[20]),
- ipaddr_string(&bp[24]));
- break;
-
- case 2:
- (void)printf(" Register-Stop");
- TCHECK2(bp[12], 4);
- (void)printf(" for %s > %s", ipaddr_string(&bp[8]),
- ipaddr_string(&bp[12]));
- break;
-
- case 3:
- (void)printf(" Join/Prune");
- if (vflag) {
- pimv1_join_prune_print(&bp[8], len - 8);
- }
- break;
+ if (vflag) {
+ TCHECK2(bp[10],2);
+ (void)printf(" (Hold-time ");
+ relts_print(EXTRACT_16BITS(&bp[10]));
+ (void)printf(")");
+ }
+ break;
- case 4:
- (void)printf(" RP-reachable");
- if (vflag) {
- TCHECK2(bp[22], 2);
- (void)printf(" group %s",
+ case 1:
+ (void)printf(" Register");
+ TCHECK2(bp[8], 20); /* ip header */
+ (void)printf(" for %s > %s", ipaddr_string(&bp[20]),
+ ipaddr_string(&bp[24]));
+ break;
+ case 2:
+ (void)printf(" Register-Stop");
+ TCHECK2(bp[12], 4);
+ (void)printf(" for %s > %s", ipaddr_string(&bp[8]),
+ ipaddr_string(&bp[12]));
+ break;
+ case 3:
+ (void)printf(" Join/Prune");
+ if (vflag)
+ pimv1_join_prune_print(&bp[8], len - 8);
+ break;
+ case 4:
+ (void)printf(" RP-reachable");
+ if (vflag) {
+ TCHECK2(bp[22], 2);
+ (void)printf(" group %s",
ipaddr_string(&bp[8]));
+ if (EXTRACT_32BITS(&bp[12]) != 0xffffffff)
+ (void)printf("/%s", ipaddr_string(&bp[12]));
+ (void)printf(" RP %s hold ", ipaddr_string(&bp[16]));
+ relts_print(EXTRACT_16BITS(&bp[22]));
+ }
+ break;
+ case 5:
+ (void)printf(" Assert");
+ TCHECK2(bp[16], 4);
+ (void)printf(" for %s > %s", ipaddr_string(&bp[16]),
+ ipaddr_string(&bp[8]));
if (EXTRACT_32BITS(&bp[12]) != 0xffffffff)
(void)printf("/%s", ipaddr_string(&bp[12]));
- (void)printf(" RP %s hold ",
- ipaddr_string(&bp[16]));
- relts_print(EXTRACT_16BITS(&bp[22]));
- }
- break;
-
- case 5:
- (void)printf(" Assert");
- TCHECK2(bp[16], 4);
- (void)printf(" for %s > %s", ipaddr_string(&bp[16]),
- ipaddr_string(&bp[8]));
- if (EXTRACT_32BITS(&bp[12]) != 0xffffffff)
- (void)printf("/%s", ipaddr_string(&bp[12]));
- TCHECK2(bp[24], 4);
- (void)printf(" %s pref %d metric %d",
- (bp[20] & 0x80) ? "RP-tree" : "SPT",
+ TCHECK2(bp[24], 4);
+ (void)printf(" %s pref %d metric %d",
+ (bp[20] & 0x80) ? "RP-tree" : "SPT",
EXTRACT_32BITS(&bp[20]) & 0x7fffffff,
EXTRACT_32BITS(&bp[24]));
- break;
-
- case 6:
- (void)printf(" Graft");
- if (vflag) {
- pimv1_join_prune_print(&bp[8], len - 8);
- }
- break;
-
- case 7:
- (void)printf(" Graft-ACK");
- if (vflag) {
- pimv1_join_prune_print(&bp[8], len - 8);
+ break;
+ case 6:
+ (void)printf(" Graft");
+ if (vflag)
+ pimv1_join_prune_print(&bp[8], len - 8);
+ break;
+ case 7:
+ (void)printf(" Graft-ACK");
+ if (vflag)
+ pimv1_join_prune_print(&bp[8], len - 8);
+ break;
+ case 8:
+ (void)printf(" Mode");
+ break;
+ default:
+ (void)printf(" [type %d]", type);
+ break;
}
- break;
-
- case 8:
- (void)printf(" Mode");
- break;
-
- default:
- (void)printf(" [type %d]", type);
- break;
- }
- if ((bp[4] >> 4) != 1)
- (void)printf(" [v%d]", bp[4] >> 4);
- return;
+ if ((bp[4] >> 4) != 1)
+ (void)printf(" [v%d]", bp[4] >> 4);
+ return;
trunc:
- (void)printf("[|pim]");
- return;
+ (void)printf("[|pim]");
+ return;
}
/*
void
cisco_autorp_print(register const u_char *bp, register u_int len)
{
- int type;
- int numrps;
- int hold;
-
- TCHECK(bp[0]);
- (void)printf(" auto-rp ");
- type = bp[0];
- switch (type) {
- case 0x11:
- (void)printf("candidate-advert");
- break;
- case 0x12:
- (void)printf("mapping");
- break;
- default:
- (void)printf("type-0x%02x", type);
- break;
- }
-
- TCHECK(bp[1]);
- numrps = bp[1];
-
- TCHECK2(bp[2], 2);
- (void)printf(" Hold ");
- hold = EXTRACT_16BITS(&bp[2]);
- if (hold)
- relts_print(EXTRACT_16BITS(&bp[2]));
- else
- printf("FOREVER");
-
- /* Next 4 bytes are reserved. */
-
- bp += 8; len -= 8;
-
- /*XXX skip unless -v? */
-
- /*
- * Rest of packet:
- * numrps entries of the form:
- * 32 bits: RP
- * 6 bits: reserved
- * 2 bits: PIM version supported, bit 0 is "supports v1", 1 is "v2".
- * 8 bits: # of entries for this RP
- * each entry: 7 bits: reserved, 1 bit: negative,
- * 8 bits: mask 32 bits: source
- * lather, rinse, repeat.
- */
- while (numrps--) {
- int nentries;
- char s;
+ int type;
+ int numrps;
+ int hold;
- TCHECK2(bp[0], 4);
- (void)printf(" RP %s", ipaddr_string(bp));
- TCHECK(bp[4]);
- switch (bp[4] & 0x3) {
- case 0: printf(" PIMv?");
- break;
- case 1: printf(" PIMv1");
+ TCHECK(bp[0]);
+ (void)printf(" auto-rp ");
+ type = bp[0];
+ switch (type) {
+ case 0x11:
+ (void)printf("candidate-advert");
break;
- case 2: printf(" PIMv2");
+ case 0x12:
+ (void)printf("mapping");
break;
- case 3: printf(" PIMv1+2");
+ default:
+ (void)printf("type-0x%02x", type);
break;
}
- TCHECK(bp[5]);
- nentries = bp[5];
- bp += 6; len -= 6;
- s = ' ';
- for (; nentries; nentries--) {
- TCHECK2(bp[0], 6);
- (void)printf("%c%s%s/%d", s, bp[0] & 1 ? "!" : "",
- ipaddr_string(&bp[2]), bp[1]);
- s = ',';
- bp += 6; len -= 6;
+
+ TCHECK(bp[1]);
+ numrps = bp[1];
+
+ TCHECK2(bp[2], 2);
+ (void)printf(" Hold ");
+ hold = EXTRACT_16BITS(&bp[2]);
+ if (hold)
+ relts_print(EXTRACT_16BITS(&bp[2]));
+ else
+ printf("FOREVER");
+
+ /* Next 4 bytes are reserved. */
+
+ bp += 8; len -= 8;
+
+ /*XXX skip unless -v? */
+
+ /*
+ * Rest of packet:
+ * numrps entries of the form:
+ * 32 bits: RP
+ * 6 bits: reserved
+ * 2 bits: PIM version supported, bit 0 is "supports v1", 1 is "v2".
+ * 8 bits: # of entries for this RP
+ * each entry: 7 bits: reserved, 1 bit: negative,
+ * 8 bits: mask 32 bits: source
+ * lather, rinse, repeat.
+ */
+ while (numrps--) {
+ int nentries;
+ char s;
+
+ TCHECK2(bp[0], 4);
+ (void)printf(" RP %s", ipaddr_string(bp));
+ TCHECK(bp[4]);
+ switch (bp[4] & 0x3) {
+ case 0: printf(" PIMv?");
+ break;
+ case 1: printf(" PIMv1");
+ break;
+ case 2: printf(" PIMv2");
+ break;
+ case 3: printf(" PIMv1+2");
+ break;
+ }
+ TCHECK(bp[5]);
+ nentries = bp[5];
+ bp += 6; len -= 6;
+ s = ' ';
+ for (; nentries; nentries--) {
+ TCHECK2(bp[0], 6);
+ (void)printf("%c%s%s/%d", s, bp[0] & 1 ? "!" : "",
+ ipaddr_string(&bp[2]), bp[1]);
+ s = ',';
+ bp += 6; len -= 6;
+ }
}
- }
- return;
+ return;
trunc:
- (void)printf("[|autorp]");
- return;
+ (void)printf("[|autorp]");
+ return;
}
void
#endif
switch (PIM_VER(pim->pim_typever)) {
- case 2: /* avoid hardcoding? */
+ case 2: /* avoid hardcoding? */
(void)printf("pim v2");
pimv2_print(bp, len);
break;
- default:
+ default:
(void)printf("pim v%d", PIM_VER(pim->pim_typever));
break;
}
if (pimv2_addr_len == 0) {
TCHECK(bp[1]);
switch (bp[0]) {
- case 1:
+ case 1:
af = AF_INET;
afstr = "IPv4";
len = 4;
break;
#ifdef INET6
- case 2:
+ case 2:
af = AF_INET6;
afstr = "IPv6";
len = 16;
break;
#endif
- default:
+ default:
return -1;
}
if (bp[1] != 0)
hdrlen = 2;
} else {
switch (pimv2_addr_len) {
- case 4:
+ case 4:
af = AF_INET;
afstr = "IPv4";
break;
#ifdef INET6
- case 16:
+ case 16:
af = AF_INET6;
afstr = "IPv6";
break;
#endif
- default:
+ default:
return -1;
break;
}
bp += hdrlen;
switch (at) {
- case pimv2_unicast:
+ case pimv2_unicast:
TCHECK2(bp[0], len);
if (af == AF_INET) {
if (!silent)
}
#endif
return hdrlen + len;
- case pimv2_group:
- case pimv2_source:
+ case pimv2_group:
+ case pimv2_source:
TCHECK2(bp[0], len + 2);
if (af == AF_INET) {
if (!silent) {
(void)printf("[RFC2117-encoding] ");
switch (PIM_TYPE(pim->pim_typever)) {
- case 0:
+ case 0:
{
u_int16_t otype, olen;
(void)printf(" Hello");
break;
}
- case 1:
- {
+ case 1:
+ {
struct ip *ip;
(void)printf(" Register");
break;
ip = (struct ip *)bp;
switch (IP_V(ip)) {
- case 4: /* IPv4 */
+ case 4: /* IPv4 */
printf(" ");
ip_print(bp, len);
break;
#ifdef INET6
- case 6: /* IPv6 */
+ case 6: /* IPv6 */
printf(" ");
ip6_print(bp, len);
break;
#endif
- default:
+ default:
(void)printf(" IP ver %d", IP_V(ip));
break;
}
break;
- }
+ }
- case 2:
+ case 2:
(void)printf(" Register-Stop");
bp += 4; len -= 4;
if (bp >= ep)
bp += advance; len -= advance;
break;
- case 3:
- case 6:
- case 7:
+ case 3:
+ case 6:
+ case 7:
{
u_int8_t ngroup;
u_int16_t holdtime;
int i, j;
switch (PIM_TYPE(pim->pim_typever)) {
- case 3:
+ case 3:
(void)printf(" Join/Prune");
break;
- case 6:
+ case 6:
(void)printf(" Graft");
break;
- case 7:
+ case 7:
(void)printf(" Graft-ACK");
break;
}
break;
}
- case 4:
- {
+ case 4:
+ {
int i, j, frpcnt;
(void)printf(" Bootstrap");
}
bs_done:
break;
- }
- case 5:
+ }
+ case 5:
(void)printf(" Assert");
bp += 4; len -= 4;
if (bp >= ep)
(void)printf(" metric=%u", EXTRACT_32BITS(&bp[4]));
break;
- case 8:
- {
+ case 8:
+ {
int i, pfxcnt;
(void)printf(" Candidate-RP-Advertisement");
bp += advance;
}
break;
- }
+ }
- case 9:
+ case 9:
(void)printf(" Prune-Refresh");
(void)printf(" src=");
if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
projects / tcpdump / commitdiff
