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; }