Current Path : /usr/src/contrib/tcpdump/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/contrib/tcpdump/print-forces.c |
/* * 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 - ILV_HDRL; indent += 1; while (rlen != 0) { TCHECK(*ilv); invilv = ilv_valid(ilv, rlen); if (invilv) { printf("Error: BAD ILV!\n"); return -1; } if (vflag >= 3) { register const u_char *tdp = (u_char *) ILV_DATA(ilv); char *ib = indent_pr(indent, 1); printf("\n%s SPARSEDATA: type %x length %d\n", &ib[1], EXTRACT_32BITS(&ilv->type), EXTRACT_32BITS(&ilv->length)); printf("%s[", &ib[1]); hex_print_with_offset(ib, tdp, rlen, 0); printf("\n%s]\n", &ib[1]); } 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; int rc; 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); rc = ops->print((const u_char *)pdtlv, tll + pad + TLV_HDRL, op_msk, indent + 2); 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 rc = 0; 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); rc = pdata_print(dp, tll, op_msk, indent + 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%" PRIu64, 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); }