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/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code
* distributions retain the above copyright notice and this paragraph
* in its entirety, and (2) distributions including binary code include
* the above copyright notice and this paragraph in its entirety in
* the documentation or other materials provided with the distribution.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
* Copyright (c) 2009 Mojatatu Networks, Inc
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include <stdio.h>
#include <stdlib.h>
#include "interface.h"
#include "extract.h"
#include "forces.h"
#define RESLEN 4
int
prestlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
register const u_char *tdp = (u_char *) TLV_DATA(tlv);
struct res_val *r = (struct res_val *)tdp;
u_int dlen;
/*
* pdatacnt_print() has ensured that len (the TLV length)
* >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
if (dlen != RESLEN) {
printf("illegal RESULT-TLV: %d bytes!\n", dlen);
return -1;
}
TCHECK(*r);
if (r->result >= 0x18 && r->result <= 0xFE) {
printf("illegal reserved result code: 0x%x!\n", r->result);
return -1;
}
if (vflag >= 3) {
char *ib = indent_pr(indent, 0);
printf("%s Result: %s (code 0x%x)\n", ib,
tok2str(ForCES_errs, NULL, r->result), r->result);
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
fdatatlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
u_int rlen;
register const u_char *tdp = (u_char *) TLV_DATA(tlv);
u_int16_t type;
/*
* pdatacnt_print() or pkeyitlv_print() has ensured that len
* (the TLV length) >= TLV_HDRL.
*/
rlen = len - TLV_HDRL;
TCHECK(*tlv);
type = EXTRACT_16BITS(&tlv->type);
if (type != F_TLV_FULD) {
printf("Error: expecting FULLDATA!\n");
return -1;
}
if (vflag >= 3) {
char *ib = indent_pr(indent + 2, 1);
printf("%s[", &ib[1]);
hex_print_with_offset(ib, tdp, rlen, 0);
printf("\n%s]\n", &ib[1]);
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
sdatailv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
u_int rlen;
const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
int invilv;
if (len < ILV_HDRL) {
printf("Error: BAD SPARSEDATA-TLV!\n");
return -1;
}
rlen = len;
indent += 1;
while (rlen != 0) {
char *ib = indent_pr(indent, 1);
register const u_char *tdp = (u_char *) ILV_DATA(ilv);
TCHECK(*ilv);
invilv = ilv_valid(ilv, rlen);
if (invilv) {
printf("%s[", &ib[1]);
hex_print_with_offset(ib, tdp, rlen, 0);
printf("\n%s]\n", &ib[1]);
return -1;
}
if (vflag >= 3) {
int ilvl = EXTRACT_32BITS(&ilv->length);
printf("\n%s ILV: type %x length %d\n", &ib[1],
EXTRACT_32BITS(&ilv->type), ilvl);
hex_print_with_offset("\t\t[", tdp, ilvl-ILV_HDRL, 0);
}
ilv = GO_NXT_ILV(ilv, rlen);
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
sdatatlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent)
{
const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
u_int rlen;
register const u_char *tdp = (u_char *) TLV_DATA(tlv);
u_int16_t type;
/*
* pdatacnt_print() has ensured that len (the TLV length)
* >= TLV_HDRL.
*/
rlen = len - TLV_HDRL;
TCHECK(*tlv);
type = EXTRACT_16BITS(&tlv->type);
if (type != F_TLV_SPAD) {
printf("Error: expecting SPARSEDATA!\n");
return -1;
}
return sdatailv_print(tdp, rlen, op_msk, indent);
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
pkeyitlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent)
{
const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
register const u_char *tdp = (u_char *) TLV_DATA(tlv);
register const u_char *dp = tdp + 4;
const struct forces_tlv *kdtlv = (struct forces_tlv *)dp;
u_int32_t id;
char *ib = indent_pr(indent, 0);
u_int16_t type, tll;
int invtlv;
TCHECK(*tdp);
id = EXTRACT_32BITS(tdp);
printf("%sKeyinfo: Key 0x%x\n", ib, id);
TCHECK(*kdtlv);
type = EXTRACT_16BITS(&kdtlv->type);
invtlv = tlv_valid(kdtlv, len);
if (invtlv) {
printf("%s TLV type 0x%x len %d\n",
tok2str(ForCES_TLV_err, NULL, invtlv), type,
EXTRACT_16BITS(&kdtlv->length));
return -1;
}
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
tll = EXTRACT_16BITS(&kdtlv->length);
dp = (u_char *) TLV_DATA(kdtlv);
return fdatatlv_print(dp, tll, op_msk, indent);
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
pdatacnt_print(register const u_char * pptr, register u_int len,
u_int16_t IDcnt, u_int16_t op_msk, int indent)
{
u_int i;
u_int32_t id;
char *ib = indent_pr(indent, 0);
for (i = 0; i < IDcnt; i++) {
TCHECK2(*pptr, 4);
if (len < 4)
goto trunc;
id = EXTRACT_32BITS(pptr);
if (vflag >= 3)
printf("%s ID#%02u: %d\n", ib, i + 1, id);
len -= 4;
pptr += 4;
}
if (len) {
const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
u_int16_t type;
u_int16_t tll;
int pad = 0;
u_int aln;
int invtlv;
TCHECK(*pdtlv);
type = EXTRACT_16BITS(&pdtlv->type);
invtlv = tlv_valid(pdtlv, len);
if (invtlv) {
printf
("%s Outstanding bytes %d for TLV type 0x%x TLV len %d\n",
tok2str(ForCES_TLV_err, NULL, invtlv), len, type,
EXTRACT_16BITS(&pdtlv->length));
goto pd_err;
}
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
aln = F_ALN_LEN(EXTRACT_16BITS(&pdtlv->length));
if (aln > EXTRACT_16BITS(&pdtlv->length)) {
if (aln > len) {
printf
("Invalid padded pathdata TLV type 0x%x len %d missing %d pad bytes\n",
type, EXTRACT_16BITS(&pdtlv->length), aln - len);
} else {
pad = aln - EXTRACT_16BITS(&pdtlv->length);
}
}
if (pd_valid(type)) {
const struct pdata_ops *ops = get_forces_pd(type);
if (vflag >= 3 && ops->v != F_TLV_PDAT) {
if (pad)
printf
("%s %s (Length %d DataLen %d pad %d Bytes)\n",
ib, ops->s, EXTRACT_16BITS(&pdtlv->length),
tll, pad);
else
printf
("%s %s (Length %d DataLen %d Bytes)\n",
ib, ops->s, EXTRACT_16BITS(&pdtlv->length),
tll);
}
chk_op_type(type, op_msk, ops->op_msk);
if (ops->print((const u_char *)pdtlv,
tll + pad + TLV_HDRL, op_msk,
indent + 2) == -1)
return -1;
len -= (TLV_HDRL + pad + tll);
} else {
printf("Invalid path data content type 0x%x len %d\n",
type, EXTRACT_16BITS(&pdtlv->length));
pd_err:
if (EXTRACT_16BITS(&pdtlv->length)) {
hex_print_with_offset("Bad Data val\n\t [",
pptr, len, 0);
printf("]\n");
return -1;
}
}
}
return len;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
pdata_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent)
{
const struct pathdata_h *pdh = (struct pathdata_h *)pptr;
char *ib = indent_pr(indent, 0);
u_int minsize = 0;
int more_pd = 0;
u_int16_t idcnt = 0;
TCHECK(*pdh);
if (len < sizeof(struct pathdata_h))
goto trunc;
if (vflag >= 3) {
printf("\n%sPathdata: Flags 0x%x ID count %d\n",
ib, EXTRACT_16BITS(&pdh->pflags), EXTRACT_16BITS(&pdh->pIDcnt));
}
if (EXTRACT_16BITS(&pdh->pflags) & F_SELKEY) {
op_msk |= B_KEYIN;
}
pptr += sizeof(struct pathdata_h);
len -= sizeof(struct pathdata_h);
idcnt = EXTRACT_16BITS(&pdh->pIDcnt);
minsize = idcnt * 4;
if (len < minsize) {
printf("\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
len);
hex_print_with_offset("\t\t\tID Data[", pptr, len, 0);
printf("]\n");
return -1;
}
more_pd = pdatacnt_print(pptr, len, idcnt, op_msk, indent);
if (more_pd > 0) {
int consumed = len - more_pd;
pptr += consumed;
len = more_pd;
/* XXX: Argh, recurse some more */
return recpdoptlv_print(pptr, len, op_msk, indent+1);
} else
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
genoptlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent)
{
const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
u_int16_t type;
int tll;
int invtlv;
char *ib = indent_pr(indent, 0);
TCHECK(*pdtlv);
type = EXTRACT_16BITS(&pdtlv->type);
tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
invtlv = tlv_valid(pdtlv, len);
printf("genoptlvprint - %s TLV type 0x%x len %d\n",
tok2str(ForCES_TLV, NULL, type), type, EXTRACT_16BITS(&pdtlv->length));
if (!invtlv) {
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
register const u_char *dp = (u_char *) TLV_DATA(pdtlv);
if (!ttlv_valid(type)) {
printf("%s TLV type 0x%x len %d\n",
tok2str(ForCES_TLV_err, NULL, invtlv), type,
EXTRACT_16BITS(&pdtlv->length));
return -1;
}
if (vflag >= 3)
printf("%s%s, length %d (data length %d Bytes)",
ib, tok2str(ForCES_TLV, NULL, type),
EXTRACT_16BITS(&pdtlv->length), tll);
return pdata_print(dp, tll, op_msk, indent + 1);
} else {
printf("\t\t\tInvalid ForCES TLV type=%x", type);
return -1;
}
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
recpdoptlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent)
{
const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
int tll;
int invtlv;
u_int16_t type;
register const u_char *dp;
char *ib;
while (len != 0) {
TCHECK(*pdtlv);
invtlv = tlv_valid(pdtlv, len);
if (invtlv) {
break;
}
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
ib = indent_pr(indent, 0);
type = EXTRACT_16BITS(&pdtlv->type);
dp = (u_char *) TLV_DATA(pdtlv);
tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
if (vflag >= 3)
printf
("%s%s, length %d (data encapsulated %d Bytes)",
ib, tok2str(ForCES_TLV, NULL, type),
EXTRACT_16BITS(&pdtlv->length),
EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL);
if (pdata_print(dp, tll, op_msk, indent + 1) == -1)
return -1;
pdtlv = GO_NXT_TLV(pdtlv, len);
}
if (len) {
printf
("\n\t\tMessy PATHDATA TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
EXTRACT_16BITS(&pdtlv->type), len - EXTRACT_16BITS(&pdtlv->length));
return -1;
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
invoptlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
char *ib = indent_pr(indent, 1);
if (vflag >= 3) {
printf("%sData[", &ib[1]);
hex_print_with_offset(ib, pptr, len, 0);
printf("%s]\n", ib);
}
return -1;
}
int otlv_print(const struct forces_tlv *otlv, u_int16_t op_msk _U_, int indent)
{
int rc = 0;
register const u_char *dp = (u_char *) TLV_DATA(otlv);
u_int16_t type;
int tll;
char *ib = indent_pr(indent, 0);
const struct optlv_h *ops;
/*
* lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
* >= TLV_HDRL.
*/
TCHECK(*otlv);
type = EXTRACT_16BITS(&otlv->type);
tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
ops = get_forces_optlv_h(type);
if (vflag >= 3) {
printf("%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
EXTRACT_16BITS(&otlv->length));
}
/* empty TLVs like COMMIT and TRCOMMIT are empty, we stop here .. */
if (!ops->flags & ZERO_TTLV) {
if (tll != 0) /* instead of "if (tll)" - for readability .. */
printf("%s: Illegal - MUST be empty\n", ops->s);
return rc;
}
/* rest of ops must at least have 12B {pathinfo} */
if (tll < OP_MIN_SIZ) {
printf("\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
EXTRACT_16BITS(&otlv->length));
printf("\t\tTruncated data size %d minimum required %d\n", tll,
OP_MIN_SIZ);
return invoptlv_print(dp, tll, ops->op_msk, indent);
}
rc = ops->print(dp, tll, ops->op_msk, indent + 1);
return rc;
trunc:
fputs("[|forces]", stdout);
return -1;
}
#define ASTDLN 4
#define ASTMCD 255
int
asttlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
u_int32_t rescode;
u_int dlen;
char *ib = indent_pr(indent, 0);
/*
* forces_type_print() has ensured that len (the TLV length)
* >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
if (dlen != ASTDLN) {
printf("illegal ASTresult-TLV: %d bytes!\n", dlen);
return -1;
}
TCHECK2(*pptr, 4);
rescode = EXTRACT_32BITS(pptr);
if (rescode > ASTMCD) {
printf("illegal ASTresult result code: %d!\n", rescode);
return -1;
}
if (vflag >= 3) {
printf("Teardown reason:\n%s", ib);
switch (rescode) {
case 0:
printf("Normal Teardown");
break;
case 1:
printf("Loss of Heartbeats");
break;
case 2:
printf("Out of bandwidth");
break;
case 3:
printf("Out of Memory");
break;
case 4:
printf("Application Crash");
break;
default:
printf("Unknown Teardown reason");
break;
}
printf("(%x)\n%s", rescode, ib);
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
#define ASRDLN 4
#define ASRMCD 3
int
asrtlv_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
u_int32_t rescode;
u_int dlen;
char *ib = indent_pr(indent, 0);
/*
* forces_type_print() has ensured that len (the TLV length)
* >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
if (dlen != ASRDLN) { /* id, instance, oper tlv */
printf("illegal ASRresult-TLV: %d bytes!\n", dlen);
return -1;
}
TCHECK2(*pptr, 4);
rescode = EXTRACT_32BITS(pptr);
if (rescode > ASRMCD) {
printf("illegal ASRresult result code: %d!\n", rescode);
return -1;
}
if (vflag >= 3) {
printf("\n%s", ib);
switch (rescode) {
case 0:
printf("Success ");
break;
case 1:
printf("FE ID invalid ");
break;
case 2:
printf("permission denied ");
break;
default:
printf("Unknown ");
break;
}
printf("(%x)\n%s", rescode, ib);
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
/*
* XXX - not used.
*/
int
gentltlv_print(register const u_char * pptr _U_, register u_int len,
u_int16_t op_msk _U_, int indent _U_)
{
u_int dlen = len - TLV_HDRL;
if (dlen < 4) { /* at least 32 bits must exist */
printf("truncated TLV: %d bytes missing! ", 4 - dlen);
return -1;
}
return 0;
}
#define RD_MIN 8
int
print_metailv(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
u_int dlen;
u_int rlen;
char *ib = indent_pr(indent, 0);
/* XXX: check header length */
const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
/*
* print_metatlv() has ensured that len (what remains in the
* ILV) >= ILV_HDRL.
*/
dlen = len - ILV_HDRL;
rlen = dlen;
TCHECK(*ilv);
printf("\n%sMetaID 0x%x length %d\n", ib, EXTRACT_32BITS(&ilv->type),
EXTRACT_32BITS(&ilv->length));
hex_print_with_offset("\n\t\t\t\t[", ILV_DATA(ilv), rlen, 0);
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
print_metatlv(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
u_int dlen;
char *ib = indent_pr(indent, 0);
u_int rlen;
const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
int invilv;
/*
* redirect_print() has ensured that len (what remains in the
* TLV) >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
rlen = dlen;
printf("\n%s METADATA\n", ib);
while (rlen != 0) {
TCHECK(*ilv);
invilv = ilv_valid(ilv, rlen);
if (invilv)
break;
/*
* At this point, ilv_valid() has ensured that the ILV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
print_metailv((u_char *) ilv, rlen, 0, indent + 1);
ilv = GO_NXT_ILV(ilv, rlen);
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
/*
*/
int
print_reddata(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent _U_)
{
u_int dlen;
u_int rlen;
int invtlv;
const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
/*
* redirect_print() has ensured that len (what remains in the
* TLV) >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
printf("\n\t\t Redirect DATA\n");
if (dlen <= RD_MIN) {
printf("\n\t\ttruncated Redirect data: %d bytes missing! ",
RD_MIN - dlen);
return -1;
}
rlen = dlen;
TCHECK(*tlv);
invtlv = tlv_valid(tlv, rlen);
if (invtlv) {
printf("Redir data type 0x%x len %d\n", EXTRACT_16BITS(&tlv->type),
EXTRACT_16BITS(&tlv->length));
return -1;
}
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
rlen -= TLV_HDRL;
hex_print_with_offset("\n\t\t\t[", TLV_DATA(tlv), rlen, 0);
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
redirect_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
u_int dlen;
u_int rlen;
int invtlv;
/*
* forces_type_print() has ensured that len (the TLV length)
* >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
if (dlen <= RD_MIN) {
printf("\n\t\ttruncated Redirect TLV: %d bytes missing! ",
RD_MIN - dlen);
return -1;
}
rlen = dlen;
indent += 1;
while (rlen != 0) {
TCHECK(*tlv);
invtlv = tlv_valid(tlv, rlen);
if (invtlv)
break;
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
if (EXTRACT_16BITS(&tlv->type) == F_TLV_METD) {
print_metatlv((u_char *) TLV_DATA(tlv), rlen, 0, indent);
} else if ((EXTRACT_16BITS(&tlv->type) == F_TLV_REDD)) {
print_reddata((u_char *) TLV_DATA(tlv), rlen, 0, indent);
} else {
printf("Unknown REDIRECT TLV 0x%x len %d\n",
EXTRACT_16BITS(&tlv->type), EXTRACT_16BITS(&tlv->length));
}
tlv = GO_NXT_TLV(tlv, rlen);
}
if (rlen) {
printf
("\n\t\tMessy Redirect TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
EXTRACT_16BITS(&tlv->type), rlen - EXTRACT_16BITS(&tlv->length));
return -1;
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
#define OP_OFF 8
#define OP_MIN 12
int
lfbselect_print(register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent)
{
const struct forces_lfbsh *lfbs;
const struct forces_tlv *otlv;
char *ib = indent_pr(indent, 0);
u_int dlen;
u_int rlen;
int invtlv;
/*
* forces_type_print() has ensured that len (the TLV length)
* >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
if (dlen <= OP_MIN) { /* id, instance, oper tlv header .. */
printf("\n\t\ttruncated lfb selector: %d bytes missing! ",
OP_MIN - dlen);
return -1;
}
/*
* At this point, we know that dlen > OP_MIN; OP_OFF < OP_MIN, so
* we also know that it's > OP_OFF.
*/
rlen = dlen - OP_OFF;
lfbs = (const struct forces_lfbsh *)pptr;
TCHECK(*lfbs);
if (vflag >= 3) {
printf("\n%s%s(Classid %x) instance %x\n",
ib, tok2str(ForCES_LFBs, NULL, EXTRACT_32BITS(&lfbs->class)),
EXTRACT_32BITS(&lfbs->class),
EXTRACT_32BITS(&lfbs->instance));
}
otlv = (struct forces_tlv *)(lfbs + 1);
indent += 1;
while (rlen != 0) {
TCHECK(*otlv);
invtlv = tlv_valid(otlv, rlen);
if (invtlv)
break;
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the containing TLV).
*/
if (op_valid(EXTRACT_16BITS(&otlv->type), op_msk)) {
otlv_print(otlv, 0, indent);
} else {
if (vflag < 3)
printf("\n");
printf
("\t\tINValid oper-TLV type 0x%x length %d for this ForCES message\n",
EXTRACT_16BITS(&otlv->type), EXTRACT_16BITS(&otlv->length));
invoptlv_print((u_char *)otlv, rlen, 0, indent);
}
otlv = GO_NXT_TLV(otlv, rlen);
}
if (rlen) {
printf
("\n\t\tMessy oper TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
EXTRACT_16BITS(&otlv->type), rlen - EXTRACT_16BITS(&otlv->length));
return -1;
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
int
forces_type_print(register const u_char * pptr, const struct forcesh *fhdr _U_,
register u_int mlen, const struct tom_h *tops)
{
const struct forces_tlv *tltlv;
u_int rlen;
int invtlv;
int rc = 0;
int ttlv = 0;
/*
* forces_print() has already checked that mlen >= ForCES_HDRL
* by calling ForCES_HLN_VALID().
*/
rlen = mlen - ForCES_HDRL;
if (rlen > TLV_HLN) {
if (tops->flags & ZERO_TTLV) {
printf("<0x%x>Illegal Top level TLV!\n", tops->flags);
return -1;
}
} else {
if (tops->flags & ZERO_MORE_TTLV)
return 0;
if (tops->flags & ONE_MORE_TTLV) {
printf("\tTop level TLV Data missing!\n");
return -1;
}
}
if (tops->flags & ZERO_TTLV) {
return 0;
}
ttlv = tops->flags >> 4;
tltlv = GET_TOP_TLV(pptr);
/*XXX: 15 top level tlvs will probably be fine
You are nuts if you send more ;-> */
while (rlen != 0) {
TCHECK(*tltlv);
invtlv = tlv_valid(tltlv, rlen);
if (invtlv)
break;
/*
* At this point, tlv_valid() has ensured that the TLV
* length is large enough but not too large (it doesn't
* go past the end of the packet).
*/
if (!ttlv_valid(EXTRACT_16BITS(&tltlv->type))) {
printf("\n\tInvalid ForCES Top TLV type=0x%x",
EXTRACT_16BITS(&tltlv->type));
return -1;
}
if (vflag >= 3)
printf("\t%s, length %d (data length %d Bytes)",
tok2str(ForCES_TLV, NULL, EXTRACT_16BITS(&tltlv->type)),
EXTRACT_16BITS(&tltlv->length),
EXTRACT_16BITS(&tltlv->length) - TLV_HDRL);
rc = tops->print((u_char *) TLV_DATA(tltlv),
EXTRACT_16BITS(&tltlv->length), tops->op_msk, 9);
if (rc < 0) {
return -1;
}
tltlv = GO_NXT_TLV(tltlv, rlen);
ttlv--;
if (ttlv <= 0)
break;
}
/*
* XXX - if ttlv != 0, does that mean that the packet was too
* short, and didn't have *enough* TLVs in it?
*/
if (rlen) {
printf("\tMess TopTLV header: min %u, total %d advertised %d ",
TLV_HDRL, rlen, EXTRACT_16BITS(&tltlv->length));
return -1;
}
return 0;
trunc:
fputs("[|forces]", stdout);
return -1;
}
void forces_print(register const u_char * pptr, register u_int len)
{
const struct forcesh *fhdr;
u_int mlen;
u_int32_t flg_raw;
const struct tom_h *tops;
int rc = 0;
fhdr = (const struct forcesh *)pptr;
TCHECK(*fhdr);
if (!tom_valid(fhdr->fm_tom)) {
printf("Invalid ForCES message type %d\n", fhdr->fm_tom);
goto error;
}
mlen = ForCES_BLN(fhdr);
tops = get_forces_tom(fhdr->fm_tom);
if (tops->v == TOM_RSVD) {
printf("\n\tUnknown ForCES message type=0x%x", fhdr->fm_tom);
goto error;
}
printf("\n\tForCES %s ", tops->s);
if (!ForCES_HLN_VALID(mlen, len)) {
printf
("Illegal ForCES pkt len - min %u, total recvd %d, advertised %d ",
ForCES_HDRL, len, ForCES_BLN(fhdr));
goto error;
}
TCHECK2(*(pptr + 20), 4);
flg_raw = EXTRACT_32BITS(pptr + 20);
if (vflag >= 1) {
printf("\n\tForCES Version %d len %uB flags 0x%08x ",
ForCES_V(fhdr), mlen, flg_raw);
printf("\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
ForCES_SID(fhdr), ForCES_node(ForCES_SID(fhdr)),
ForCES_DID(fhdr), ForCES_node(ForCES_DID(fhdr)),
EXTRACT_64BITS(fhdr->fm_cor));
}
if (vflag >= 2) {
printf
("\n\tForCES flags:\n\t %s(0x%x), prio=%d, %s(0x%x),\n\t %s(0x%x), %s(0x%x)\n",
ForCES_ACKp(ForCES_ACK(fhdr)), ForCES_ACK(fhdr),
ForCES_PRI(fhdr),
ForCES_EMp(ForCES_EM(fhdr)), ForCES_EM(fhdr),
ForCES_ATp(ForCES_AT(fhdr)), ForCES_AT(fhdr),
ForCES_TPp(ForCES_TP(fhdr)), ForCES_TP(fhdr));
printf
("\t Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
ForCES_RS1(fhdr), ForCES_RS2(fhdr));
}
rc = forces_type_print(pptr, fhdr, mlen, tops);
if (rc < 0) {
error:
hex_print_with_offset("\n\t[", pptr, len, 0);
printf("\n\t]");
return;
}
if (vflag >= 4) {
printf("\n\t Raw ForCES message\n\t [");
hex_print_with_offset("\n\t ", pptr, len, 0);
printf("\n\t ]");
}
printf("\n");
return;
trunc:
fputs("[|forces]", stdout);
}
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