The Tcpdump Group git mirrors - tcpdump/blobdiff

index 7c7229996bd12e9a8585c41a85df262cd39e4fdc..fd25ba84cdbf6e475b40e3614374b2c9bfab9832 100644 (file)

--- a/print-bgp.c

+++ b/print-bgp.c

@@ -34,12 +34,12 @@

#include "config.h"

#endif

#include "config.h"

#endif

-#include <tcpdump-stdinc.h>

+#include <netdissect-stdinc.h>

#include <stdio.h>

#include <string.h>

#include <stdio.h>

#include <string.h>

-#include "interface.h"

+#include "netdissect.h"

#include "addrtoname.h"

#include "extract.h"

#include "af.h"

#include "addrtoname.h"

#include "extract.h"

#include "af.h"

@@ -603,12 +603,10 @@ bgp_vpn_ip_print(netdissect_options *ndo,

ND_TCHECK2(pptr[0], sizeof(struct in_addr));

snprintf(pos, sizeof(addr), "%s", ipaddr_string(ndo, pptr));

break;

ND_TCHECK2(pptr[0], sizeof(struct in_addr));

snprintf(pos, sizeof(addr), "%s", ipaddr_string(ndo, pptr));

break;

-#ifdef INET6

case (sizeof(struct in6_addr) << 3): /* 128 */

ND_TCHECK2(pptr[0], sizeof(struct in6_addr));

snprintf(pos, sizeof(addr), "%s", ip6addr_string(ndo, pptr));

break;

case (sizeof(struct in6_addr) << 3): /* 128 */

ND_TCHECK2(pptr[0], sizeof(struct in6_addr));

snprintf(pos, sizeof(addr), "%s", ip6addr_string(ndo, pptr));

break;

-#endif

default:

snprintf(pos, sizeof(addr), "bogus address length %u", addr_length);

break;

default:

snprintf(pos, sizeof(addr), "bogus address length %u", addr_length);

break;

@@ -968,21 +966,21 @@ trunc:

* the buffer would have overflowed; again, set buflen to 0 in

* that case.

* the buffer would have overflowed; again, set buflen to 0 in

* that case.

-#define UPDATE_BUF_BUFLEN(buf, buflen, strlen) \

- if (strlen<0) \

+#define UPDATE_BUF_BUFLEN(buf, buflen, stringlen) \

+ if (stringlen<0) \

buflen=0; \

- else if ((u_int)strlen>buflen) \

+ else if ((u_int)stringlen>buflen) \

buflen=0; \

else { \

buflen=0; \

else { \

- buflen-=strlen; \

- buf+=strlen; \

+ buflen-=stringlen; \

+ buf+=stringlen; \

}

static int

decode_labeled_vpn_l2(netdissect_options *ndo,

const u_char *pptr, char *buf, u_int buflen)

{

}

static int

decode_labeled_vpn_l2(netdissect_options *ndo,

const u_char *pptr, char *buf, u_int buflen)

{

- int plen,tlen,strlen,tlv_type,tlv_len,ttlv_len;

+ int plen,tlen,stringlen,tlv_type,tlv_len,ttlv_len;

ND_TCHECK2(pptr[0], 2);

plen=EXTRACT_16BITS(pptr);

ND_TCHECK2(pptr[0], 2);

plen=EXTRACT_16BITS(pptr);

@@ -996,12 +994,12 @@ decode_labeled_vpn_l2(netdissect_options *ndo,

/* assume AD-only with RD, BGPNH */

ND_TCHECK2(pptr[0],12);

buf[0]='\0';

/* assume AD-only with RD, BGPNH */

ND_TCHECK2(pptr[0],12);

buf[0]='\0';

- strlen=snprintf(buf, buflen, "RD: %s, BGPNH: %s",

- bgp_vpn_rd_print(ndo, pptr),

- /* need something like getname(ndo, ) here */

- getname(ndo, pptr+8)

- );

- UPDATE_BUF_BUFLEN(buf, buflen, strlen);

+ stringlen=snprintf(buf, buflen, "RD: %s, BGPNH: %s",

+ bgp_vpn_rd_print(ndo, pptr),

+ /* need something like getname(ndo, ) here */

+ getname(ndo, pptr+8)

+ );

+ UPDATE_BUF_BUFLEN(buf, buflen, stringlen);

pptr+=12;

tlen-=12;

return plen;

pptr+=12;

tlen-=12;

return plen;

@@ -1011,12 +1009,12 @@ decode_labeled_vpn_l2(netdissect_options *ndo,

ND_TCHECK2(pptr[0],15);

buf[0]='\0';

ND_TCHECK2(pptr[0],15);

buf[0]='\0';

- strlen=snprintf(buf, buflen, "RD: %s, CE-ID: %u, Label-Block Offset: %u, Label Base %u",

- bgp_vpn_rd_print(ndo, pptr),

- EXTRACT_16BITS(pptr+8),

- EXTRACT_16BITS(pptr+10),

- EXTRACT_24BITS(pptr+12)>>4); /* the label is offsetted by 4 bits so lets shift it right */

- UPDATE_BUF_BUFLEN(buf, buflen, strlen);

+ stringlen=snprintf(buf, buflen, "RD: %s, CE-ID: %u, Label-Block Offset: %u, Label Base %u",

+ bgp_vpn_rd_print(ndo, pptr),

+ EXTRACT_16BITS(pptr+8),

+ EXTRACT_16BITS(pptr+10),

+ EXTRACT_24BITS(pptr+12)>>4); /* the label is offsetted by 4 bits so lets shift it right */

+ UPDATE_BUF_BUFLEN(buf, buflen, stringlen);

pptr+=15;

tlen-=15;

pptr+=15;

tlen-=15;

@@ -1033,27 +1031,27 @@ decode_labeled_vpn_l2(netdissect_options *ndo,

switch(tlv_type) {

case 1:

if (buflen!=0) {

switch(tlv_type) {

case 1:

if (buflen!=0) {

- strlen=snprintf(buf,buflen, "\n\t\tcircuit status vector (%u) length: %u: 0x",

- tlv_type,

- tlv_len);

- UPDATE_BUF_BUFLEN(buf, buflen, strlen);

+ stringlen=snprintf(buf,buflen, "\n\t\tcircuit status vector (%u) length: %u: 0x",

+ tlv_type,

+ tlv_len);

+ UPDATE_BUF_BUFLEN(buf, buflen, stringlen);

}

ttlv_len=ttlv_len/8+1; /* how many bytes do we need to read ? */

while (ttlv_len>0) {

ND_TCHECK(pptr[0]);

if (buflen!=0) {

}

ttlv_len=ttlv_len/8+1; /* how many bytes do we need to read ? */

while (ttlv_len>0) {

ND_TCHECK(pptr[0]);

if (buflen!=0) {

- strlen=snprintf(buf,buflen, "%02x",*pptr++);

- UPDATE_BUF_BUFLEN(buf, buflen, strlen);

+ stringlen=snprintf(buf,buflen, "%02x",*pptr++);

+ UPDATE_BUF_BUFLEN(buf, buflen, stringlen);

}

ttlv_len--;

}

break;

default:

if (buflen!=0) {

}

ttlv_len--;

}

break;

default:

if (buflen!=0) {

- strlen=snprintf(buf,buflen, "\n\t\tunknown TLV #%u, length: %u",

- tlv_type,

- tlv_len);

- UPDATE_BUF_BUFLEN(buf, buflen, strlen);

+ stringlen=snprintf(buf,buflen, "\n\t\tunknown TLV #%u, length: %u",

+ tlv_type,

+ tlv_len);

+ UPDATE_BUF_BUFLEN(buf, buflen, stringlen);

}

break;

}

break;

}

@@ -1071,7 +1069,6 @@ trunc:

return -2;

}

return -2;

}

-#ifdef INET6

int

decode_prefix6(netdissect_options *ndo,

const u_char *pd, u_int itemlen, char *buf, u_int buflen)

int

decode_prefix6(netdissect_options *ndo,

const u_char *pd, u_int itemlen, char *buf, u_int buflen)

@@ -1188,7 +1185,6 @@ decode_labeled_vpn_prefix6(netdissect_options *ndo,

trunc:

return -2;

}

trunc:

return -2;

}

-#endif

static int

decode_clnp_prefix(netdissect_options *ndo,

static int

decode_clnp_prefix(netdissect_options *ndo,

@@ -1211,7 +1207,7 @@ decode_clnp_prefix(netdissect_options *ndo,

((0xff00 >> (plen % 8)) & 0xff);

}

snprintf(buf, buflen, "%s/%d",

((0xff00 >> (plen % 8)) & 0xff);

}

snprintf(buf, buflen, "%s/%d",

- isonsap_string(addr,(plen + 7) / 8),

+ isonsap_string(ndo, addr,(plen + 7) / 8),

plen);

return 1 + (plen + 7) / 8;

plen);

return 1 + (plen + 7) / 8;

@@ -1248,7 +1244,7 @@ decode_labeled_vpn_clnp_prefix(netdissect_options *ndo,

/* the label may get offsetted by 4 bits so lets shift it right */

snprintf(buf, buflen, "RD: %s, %s/%d, label:%u %s",

bgp_vpn_rd_print(ndo, pptr+4),

/* the label may get offsetted by 4 bits so lets shift it right */

snprintf(buf, buflen, "RD: %s, %s/%d, label:%u %s",

bgp_vpn_rd_print(ndo, pptr+4),

- isonsap_string(addr,(plen + 7) / 8),

+ isonsap_string(ndo, addr,(plen + 7) / 8),

plen,

EXTRACT_24BITS(pptr+1)>>4,

((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );

plen,

EXTRACT_24BITS(pptr+1)>>4,

((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );

@@ -1520,7 +1516,6 @@ bgp_attr_print(netdissect_options *ndo,

case (AFNUM_INET<<8 | SAFNUM_VPNUNIMULTICAST):

case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN):

case (AFNUM_INET<<8 | SAFNUM_MDT):

case (AFNUM_INET<<8 | SAFNUM_VPNUNIMULTICAST):

case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN):

case (AFNUM_INET<<8 | SAFNUM_MDT):

-#ifdef INET6

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

@@ -1528,7 +1523,6 @@ bgp_attr_print(netdissect_options *ndo,

case (AFNUM_INET6<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_INET6<<8 | SAFNUM_VPNMULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_VPNUNIMULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_INET6<<8 | SAFNUM_VPNMULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_VPNUNIMULTICAST):

-#endif

case (AFNUM_NSAP<<8 | SAFNUM_UNICAST):

case (AFNUM_NSAP<<8 | SAFNUM_MULTICAST):

case (AFNUM_NSAP<<8 | SAFNUM_UNIMULTICAST):

case (AFNUM_NSAP<<8 | SAFNUM_UNICAST):

case (AFNUM_NSAP<<8 | SAFNUM_MULTICAST):

case (AFNUM_NSAP<<8 | SAFNUM_UNIMULTICAST):

@@ -1596,7 +1590,6 @@ bgp_attr_print(netdissect_options *ndo,

tptr += (sizeof(struct in_addr)+BGP_VPN_RD_LEN);

}

break;

tptr += (sizeof(struct in_addr)+BGP_VPN_RD_LEN);

}

break;

-#ifdef INET6

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

@@ -1626,7 +1619,6 @@ bgp_attr_print(netdissect_options *ndo,

tptr += (sizeof(struct in6_addr)+BGP_VPN_RD_LEN);

}

break;

tptr += (sizeof(struct in6_addr)+BGP_VPN_RD_LEN);

}

break;

-#endif

case (AFNUM_VPLS<<8 | SAFNUM_VPLS):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST):

case (AFNUM_VPLS<<8 | SAFNUM_VPLS):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST):

@@ -1645,7 +1637,7 @@ bgp_attr_print(netdissect_options *ndo,

case (AFNUM_NSAP<<8 | SAFNUM_MULTICAST):

case (AFNUM_NSAP<<8 | SAFNUM_UNIMULTICAST):

ND_TCHECK2(tptr[0], tlen);

case (AFNUM_NSAP<<8 | SAFNUM_MULTICAST):

case (AFNUM_NSAP<<8 | SAFNUM_UNIMULTICAST):

ND_TCHECK2(tptr[0], tlen);

- ND_PRINT((ndo, "%s", isonsap_string(tptr, tlen)));

+ ND_PRINT((ndo, "%s", isonsap_string(ndo, tptr, tlen)));

tptr += tlen;

tlen = 0;

break;

tptr += tlen;

tlen = 0;

break;

@@ -1660,15 +1652,13 @@ bgp_attr_print(netdissect_options *ndo,

ND_TCHECK2(tptr[0], tlen);

ND_PRINT((ndo, "RD: %s, %s",

bgp_vpn_rd_print(ndo, tptr),

ND_TCHECK2(tptr[0], tlen);

ND_PRINT((ndo, "RD: %s, %s",

bgp_vpn_rd_print(ndo, tptr),

- isonsap_string(tptr+BGP_VPN_RD_LEN,tlen-BGP_VPN_RD_LEN)));

+ isonsap_string(ndo, tptr+BGP_VPN_RD_LEN,tlen-BGP_VPN_RD_LEN)));

/* rfc986 mapped IPv4 address ? */

if (EXTRACT_32BITS(tptr+BGP_VPN_RD_LEN) == 0x47000601)

ND_PRINT((ndo, " = %s", getname(ndo, tptr+BGP_VPN_RD_LEN+4)));

/* rfc986 mapped IPv4 address ? */

if (EXTRACT_32BITS(tptr+BGP_VPN_RD_LEN) == 0x47000601)

ND_PRINT((ndo, " = %s", getname(ndo, tptr+BGP_VPN_RD_LEN+4)));

-#ifdef INET6

/* rfc1888 mapped IPv6 address ? */

else if (EXTRACT_24BITS(tptr+BGP_VPN_RD_LEN) == 0x350000)

ND_PRINT((ndo, " = %s", getname6(ndo, tptr+BGP_VPN_RD_LEN+3)));

/* rfc1888 mapped IPv6 address ? */

else if (EXTRACT_24BITS(tptr+BGP_VPN_RD_LEN) == 0x350000)

ND_PRINT((ndo, " = %s", getname6(ndo, tptr+BGP_VPN_RD_LEN+3)));

-#endif

tptr += tlen;

tlen = 0;

}

tptr += tlen;

tlen = 0;

}

@@ -1769,7 +1759,6 @@ bgp_attr_print(netdissect_options *ndo,

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

-#ifdef INET6

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

@@ -1805,7 +1794,6 @@ bgp_attr_print(netdissect_options *ndo,

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

-#endif

case (AFNUM_VPLS<<8 | SAFNUM_VPLS):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST):

case (AFNUM_VPLS<<8 | SAFNUM_VPLS):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST):

@@ -1910,7 +1898,6 @@ bgp_attr_print(netdissect_options *ndo,

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

-#ifdef INET6

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNICAST):

case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):

case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):

@@ -1946,7 +1933,6 @@ bgp_attr_print(netdissect_options *ndo,

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

else

ND_PRINT((ndo, "\n\t %s", buf));

break;

-#endif

case (AFNUM_VPLS<<8 | SAFNUM_VPLS):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST):

case (AFNUM_VPLS<<8 | SAFNUM_VPLS):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST):

case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST):

@@ -2160,8 +2146,8 @@ bgp_attr_print(netdissect_options *ndo,

}

case BGPTYPE_AIGP:

{

}

case BGPTYPE_AIGP:

{

- u_int8_t type;

- u_int16_t length;

+ uint8_t type;

+ uint16_t length;

ND_TCHECK2(tptr[0], 3);

@@ -2211,7 +2197,7 @@ bgp_attr_print(netdissect_options *ndo,

len -=4;

while (len) {

len -=4;

while (len) {

- u_int aflags, atype, alenlen, alen;

+ u_int aflags, alenlen, alen;

ND_TCHECK2(tptr[0], 2);

if (len < 2)

ND_TCHECK2(tptr[0], 2);

if (len < 2)

@@ -2339,7 +2325,7 @@ bgp_capabilities_print(netdissect_options *ndo,

}

while (tcap_len > 0) {

if (tcap_len < 4) {

}

while (tcap_len > 0) {

if (tcap_len < 4) {

- ND_PRINT((ndo, "\n\t\t(malformed)"));

+ ND_PRINT((ndo, "\n\t\t(invalid)"));

break;

}

ND_PRINT((ndo, "\n\t\tAFI %s (%u), SAFI %s (%u), Send/Receive: %s",

break;

}

ND_PRINT((ndo, "\n\t\tAFI %s (%u), SAFI %s (%u), Send/Receive: %s",

@@ -2443,10 +2429,6 @@ bgp_update_print(netdissect_options *ndo,

int withdrawn_routes_len;

int len;

int i;

int withdrawn_routes_len;

int len;

int i;

-#ifndef INET6

- char buf[MAXHOSTNAMELEN + 100];

- int wpfx;

-#endif

ND_TCHECK2(dat[0], BGP_SIZE);

if (length < BGP_SIZE)

ND_TCHECK2(dat[0], BGP_SIZE);

if (length < BGP_SIZE)

@@ -2471,36 +2453,9 @@ bgp_update_print(netdissect_options *ndo,

ND_TCHECK2(p[0], withdrawn_routes_len);

if (length < withdrawn_routes_len)

goto trunc;

ND_TCHECK2(p[0], withdrawn_routes_len);

if (length < withdrawn_routes_len)

goto trunc;

-#ifdef INET6

ND_PRINT((ndo, "\n\t Withdrawn routes: %d bytes", withdrawn_routes_len));

p += withdrawn_routes_len;

length -= withdrawn_routes_len;

ND_PRINT((ndo, "\n\t Withdrawn routes: %d bytes", withdrawn_routes_len));

p += withdrawn_routes_len;

length -= withdrawn_routes_len;

-#else

- if (withdrawn_routes_len < 2)

- goto trunc;

- length -= 2;

- withdrawn_routes_len -= 2;

- ND_PRINT((ndo, "\n\t Withdrawn routes:"));

- while(withdrawn_routes_len > 0) {

- wpfx = decode_prefix4(ndo, p, withdrawn_routes_len, buf, sizeof(buf));

- if (wpfx == -1) {

- ND_PRINT((ndo, "\n\t (illegal prefix length)"));

- break;

- } else if (wpfx == -2)

- goto trunc;

- else if (wpfx == -3)

- goto trunc; /* bytes left, but not enough */

- else {

- ND_PRINT((ndo, "\n\t %s", buf));

- p += wpfx;

- length -= wpfx;

- withdrawn_routes_len -= wpfx;

- }

-#endif

}

ND_TCHECK2(p[0], 2);

}

ND_TCHECK2(p[0], 2);