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;
}
static int
pdata_print(netdissect_options *ndo,
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;
ND_TCHECK(*pdh);
if (len < sizeof(struct pathdata_h))
goto trunc;
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "\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;
}
/* Table GET Range operation */
if (EXTRACT_16BITS(&pdh->pflags) & F_SELTABRANGE) {
op_msk |= B_TRNG;
}
/* Table SET append operation */
if (EXTRACT_16BITS(&pdh->pflags) & F_TABAPPEND) {
op_msk |= B_APPND;
}
pptr += sizeof(struct pathdata_h);
len -= sizeof(struct pathdata_h);
idcnt = EXTRACT_16BITS(&pdh->pIDcnt);
minsize = idcnt * 4;
if (len < minsize) {
ND_PRINT((ndo, "\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
len));
hex_print_with_offset(ndo, "\t\t\tID Data[", pptr, len, 0);
ND_PRINT((ndo, "]\n"));
return -1;
}
if ((op_msk & B_TRNG) && (op_msk & B_KEYIN)) {
ND_PRINT((ndo, "\t\t\tIllegal to have both Table ranges and keys\n"));
return -1;
}
more_pd = pdatacnt_print(ndo, 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(ndo, pptr, len, op_msk, indent+1);
} else
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
