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tcpdump/print-forces.c
Denis Ovsienko 62a5184ed4 NDOize ForCES, MPLS LSP ping and OLSR decoders
2014-03-27 14:58:23 +04:00

1762 lines
45 KiB
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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
*
*/
#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include "interface.h"
#include "extract.h"
static const char tstr[] = "[|forces]";
/*
* Per draft-ietf-forces-protocol-22
*/
#define ForCES_VERS 1
#define ForCES_HDRL 24
#define ForCES_ALNL 4U
#define TLV_HDRL 4
#define ILV_HDRL 8
#define TOM_RSVD 0x0
#define TOM_ASSNSETUP 0x1
#define TOM_ASSNTEARD 0x2
#define TOM_CONFIG 0x3
#define TOM_QUERY 0x4
#define TOM_EVENTNOT 0x5
#define TOM_PKTREDIR 0x6
#define TOM_HEARTBT 0x0F
#define TOM_ASSNSETREP 0x11
#define TOM_CONFIGREP 0x13
#define TOM_QUERYREP 0x14
/*
* tom_h Flags: resv1(8b):maxtlvs(4b):resv2(2b):mintlv(2b)
*/
#define ZERO_TTLV 0x01
#define ZERO_MORE_TTLV 0x02
#define ONE_MORE_TTLV 0x04
#define ZERO_TLV 0x00
#define ONE_TLV 0x10
#define TWO_TLV 0x20
#define MAX_TLV 0xF0
#define TTLV_T1 (ONE_MORE_TTLV|ONE_TLV)
#define TTLV_T2 (ONE_MORE_TTLV|MAX_TLV)
struct tom_h {
u_int32_t v;
u_int16_t flags;
u_int16_t op_msk;
const char *s;
int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
};
enum {
TOM_RSV_I,
TOM_ASS_I,
TOM_AST_I,
TOM_CFG_I,
TOM_QRY_I,
TOM_EVN_I,
TOM_RED_I,
TOM_HBT_I,
TOM_ASR_I,
TOM_CNR_I,
TOM_QRR_I,
_TOM_RSV_MAX
};
#define TOM_MAX_IND (_TOM_RSV_MAX - 1)
static inline int tom_valid(u_int8_t tom)
{
if (tom > 0) {
if (tom >= 0x7 && tom <= 0xe)
return 0;
if (tom == 0x10)
return 0;
if (tom > 0x14)
return 0;
return 1;
} else
return 0;
}
static inline const char *ForCES_node(u_int32_t node)
{
if (node <= 0x3FFFFFFF)
return "FE";
if (node >= 0x40000000 && node <= 0x7FFFFFFF)
return "CE";
if (node >= 0xC0000000 && node <= 0xFFFFFFEF)
return "AllMulticast";
if (node == 0xFFFFFFFD)
return "AllCEsBroadcast";
if (node == 0xFFFFFFFE)
return "AllFEsBroadcast";
if (node == 0xFFFFFFFF)
return "AllBroadcast";
return "ForCESreserved";
}
static const struct tok ForCES_ACKs[] = {
{0x0, "NoACK"},
{0x1, "SuccessACK"},
{0x2, "FailureACK"},
{0x3, "AlwaysACK"},
{0, NULL}
};
static const struct tok ForCES_EMs[] = {
{0x0, "EMReserved"},
{0x1, "execute-all-or-none"},
{0x2, "execute-until-failure"},
{0x3, "continue-execute-on-failure"},
{0, NULL}
};
static const struct tok ForCES_ATs[] = {
{0x0, "Standalone"},
{0x1, "2PCtransaction"},
{0, NULL}
};
static const struct tok ForCES_TPs[] = {
{0x0, "StartofTransaction"},
{0x1, "MiddleofTransaction"},
{0x2, "EndofTransaction"},
{0x3, "abort"},
{0, NULL}
};
/*
* Structure of forces header, naked of TLVs.
*/
struct forcesh {
u_int8_t fm_vrsvd; /* version and reserved */
#define ForCES_V(forcesh) ((forcesh)->fm_vrsvd >> 4)
u_int8_t fm_tom; /* type of message */
u_int16_t fm_len; /* total length * 4 bytes */
#define ForCES_BLN(forcesh) ((u_int32_t)(EXTRACT_16BITS(&(forcesh)->fm_len) << 2))
u_int32_t fm_sid; /* Source ID */
#define ForCES_SID(forcesh) EXTRACT_32BITS(&(forcesh)->fm_sid)
u_int32_t fm_did; /* Destination ID */
#define ForCES_DID(forcesh) EXTRACT_32BITS(&(forcesh)->fm_did)
u_int8_t fm_cor[8]; /* correlator */
u_int32_t fm_flags; /* flags */
#define ForCES_ACK(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0xC0000000) >> 30)
#define ForCES_PRI(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x38000000) >> 27)
#define ForCES_RS1(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x07000000) >> 24)
#define ForCES_EM(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00C00000) >> 22)
#define ForCES_AT(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00200000) >> 21)
#define ForCES_TP(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00180000) >> 19)
#define ForCES_RS2(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x0007FFFF) >> 0)
};
#define ForCES_HLN_VALID(fhl,tlen) ((tlen) >= ForCES_HDRL && \
(fhl) >= ForCES_HDRL && \
(fhl) == (tlen))
#define F_LFB_RSVD 0x0
#define F_LFB_FEO 0x1
#define F_LFB_FEPO 0x2
static const struct tok ForCES_LFBs[] = {
{F_LFB_RSVD, "Invalid TLV"},
{F_LFB_FEO, "FEObj LFB"},
{F_LFB_FEPO, "FEProtoObj LFB"},
{0, NULL}
};
enum {
F_OP_RSV,
F_OP_SET,
F_OP_SETPROP,
F_OP_SETRESP,
F_OP_SETPRESP,
F_OP_DEL,
F_OP_DELRESP,
F_OP_GET,
F_OP_GETPROP,
F_OP_GETRESP,
F_OP_GETPRESP,
F_OP_REPORT,
F_OP_COMMIT,
F_OP_RCOMMIT,
F_OP_RTRCOMP,
_F_OP_MAX
};
#define F_OP_MAX (_F_OP_MAX - 1)
enum {
B_OP_SET = 1 << (F_OP_SET - 1),
B_OP_SETPROP = 1 << (F_OP_SETPROP - 1),
B_OP_SETRESP = 1 << (F_OP_SETRESP - 1),
B_OP_SETPRESP = 1 << (F_OP_SETPRESP - 1),
B_OP_DEL = 1 << (F_OP_DEL - 1),
B_OP_DELRESP = 1 << (F_OP_DELRESP - 1),
B_OP_GET = 1 << (F_OP_GET - 1),
B_OP_GETPROP = 1 << (F_OP_GETPROP - 1),
B_OP_GETRESP = 1 << (F_OP_GETRESP - 1),
B_OP_GETPRESP = 1 << (F_OP_GETPRESP - 1),
B_OP_REPORT = 1 << (F_OP_REPORT - 1),
B_OP_COMMIT = 1 << (F_OP_COMMIT - 1),
B_OP_RCOMMIT = 1 << (F_OP_RCOMMIT - 1),
B_OP_RTRCOMP = 1 << (F_OP_RTRCOMP - 1),
};
struct optlv_h {
u_int16_t flags;
u_int16_t op_msk;
const char *s;
int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
};
static int genoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int recpdoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int invoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
#define OP_MIN_SIZ 8
struct pathdata_h {
u_int16_t pflags;
u_int16_t pIDcnt;
};
#define B_FULLD 0x1
#define B_SPARD 0x2
#define B_RESTV 0x4
#define B_KEYIN 0x8
#define B_APPND 0x10
#define B_TRNG 0x20
static const struct optlv_h OPTLV_msg[F_OP_MAX + 1] = {
/* F_OP_RSV */ {ZERO_TTLV, 0, "Invalid OPTLV", invoptlv_print},
/* F_OP_SET */ {TTLV_T2, B_FULLD | B_SPARD, " Set", recpdoptlv_print},
/* F_OP_SETPROP */
{TTLV_T2, B_FULLD | B_SPARD, " SetProp", recpdoptlv_print},
/* F_OP_SETRESP */ {TTLV_T2, B_RESTV, " SetResp", recpdoptlv_print},
/* F_OP_SETPRESP */ {TTLV_T2, B_RESTV, " SetPropResp", recpdoptlv_print},
/* F_OP_DEL */ {ZERO_TTLV, 0, " Del", recpdoptlv_print},
/* F_OP_DELRESP */ {TTLV_T2, B_RESTV, " DelResp", recpdoptlv_print},
/* F_OP_GET */ {ZERO_TTLV, 0, " Get", recpdoptlv_print},
/* F_OP_GETPROP */ {ZERO_TTLV, 0, " GetProp", recpdoptlv_print},
/* F_OP_GETRESP */
{TTLV_T2, B_FULLD | B_SPARD | B_RESTV, " GetResp", recpdoptlv_print},
/* F_OP_GETPRESP */
{TTLV_T2, B_FULLD | B_RESTV, " GetPropResp", recpdoptlv_print},
/* F_OP_REPORT */
{TTLV_T2, B_FULLD | B_SPARD, " Report", recpdoptlv_print},
/* F_OP_COMMIT */ {ZERO_TTLV, 0, " Commit", NULL},
/* F_OP_RCOMMIT */ {TTLV_T1, B_RESTV, " RCommit", genoptlv_print},
/* F_OP_RTRCOMP */ {ZERO_TTLV, 0, " RTRCOMP", NULL},
};
static inline const struct optlv_h *get_forces_optlv_h(u_int16_t opt)
{
if (opt > F_OP_MAX || opt <= F_OP_RSV)
return &OPTLV_msg[F_OP_RSV];
return &OPTLV_msg[opt];
}
#define IND_SIZE 256
#define IND_CHR ' '
#define IND_PREF '\n'
#define IND_SUF 0x0
char ind_buf[IND_SIZE];
static inline char *indent_pr(int indent, int nlpref)
{
int i = 0;
char *r = ind_buf;
if (indent > (IND_SIZE - 1))
indent = IND_SIZE - 1;
if (nlpref) {
r[i] = IND_PREF;
i++;
indent--;
}
while (--indent >= 0)
r[i++] = IND_CHR;
r[i] = IND_SUF;
return r;
}
static inline int op_valid(u_int16_t op, u_int16_t mask)
{
int opb = 1 << (op - 1);
if (op == 0)
return 0;
if (opb & mask)
return 1;
/* I guess we should allow vendor operations? */
if (op >= 0x8000)
return 1;
return 0;
}
#define F_TLV_RSVD 0x0000
#define F_TLV_REDR 0x0001
#define F_TLV_ASRS 0x0010
#define F_TLV_ASRT 0x0011
#define F_TLV_LFBS 0x1000
#define F_TLV_PDAT 0x0110
#define F_TLV_KEYI 0x0111
#define F_TLV_FULD 0x0112
#define F_TLV_SPAD 0x0113
#define F_TLV_REST 0x0114
#define F_TLV_METD 0x0115
#define F_TLV_REDD 0x0116
#define F_TLV_TRNG 0x0117
#define F_TLV_VNST 0x8000
static const struct tok ForCES_TLV[] = {
{F_TLV_RSVD, "Invalid TLV"},
{F_TLV_REDR, "REDIRECT TLV"},
{F_TLV_ASRS, "ASResult TLV"},
{F_TLV_ASRT, "ASTreason TLV"},
{F_TLV_LFBS, "LFBselect TLV"},
{F_TLV_PDAT, "PATH-DATA TLV"},
{F_TLV_KEYI, "KEYINFO TLV"},
{F_TLV_FULD, "FULLDATA TLV"},
{F_TLV_SPAD, "SPARSEDATA TLV"},
{F_TLV_REST, "RESULT TLV"},
{F_TLV_METD, "METADATA TLV"},
{F_TLV_REDD, "REDIRECTDATA TLV"},
{0, NULL}
};
#define TLV_HLN 4
static inline int ttlv_valid(u_int16_t ttlv)
{
if (ttlv > 0) {
if (ttlv == 1 || ttlv == 0x1000)
return 1;
if (ttlv >= 0x10 && ttlv <= 0x11)
return 1;
if (ttlv >= 0x110 && ttlv <= 0x116)
return 1;
if (ttlv >= 0x8000)
return 0; /* XXX: */
}
return 0;
}
struct forces_ilv {
u_int32_t type;
u_int32_t length;
};
struct forces_tlv {
u_int16_t type;
u_int16_t length;
};
#define F_ALN_LEN(len) ( ((len)+ForCES_ALNL-1) & ~(ForCES_ALNL-1) )
#define GET_TOP_TLV(fhdr) ((struct forces_tlv *)((fhdr) + sizeof (struct forcesh)))
#define TLV_SET_LEN(len) (F_ALN_LEN(TLV_HDRL) + (len))
#define TLV_ALN_LEN(len) F_ALN_LEN(TLV_SET_LEN(len))
#define TLV_RDAT_LEN(tlv) ((int)(EXTRACT_16BITS(&(tlv)->length) - TLV_SET_LEN(0))
#define TLV_DATA(tlvp) ((void*)(((char*)(tlvp)) + TLV_SET_LEN(0)))
#define GO_NXT_TLV(tlv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length)), \
(struct forces_tlv*)(((char*)(tlv)) \
+ F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length))))
#define ILV_SET_LEN(len) (F_ALN_LEN(ILV_HDRL) + (len))
#define ILV_ALN_LEN(len) F_ALN_LEN(ILV_SET_LEN(len))
#define ILV_RDAT_LEN(ilv) ((int)(EXTRACT_32BITS(&(ilv)->length)) - ILV_SET_LEN(0))
#define ILV_DATA(ilvp) ((void*)(((char*)(ilvp)) + ILV_SET_LEN(0)))
#define GO_NXT_ILV(ilv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length)), \
(struct forces_ilv *)(((char*)(ilv)) \
+ F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length))))
#define INVALID_RLEN 1
#define INVALID_STLN 2
#define INVALID_LTLN 3
#define INVALID_ALEN 4
static const struct tok ForCES_TLV_err[] = {
{INVALID_RLEN, "Invalid total length"},
{INVALID_STLN, "xLV too short"},
{INVALID_LTLN, "xLV too long"},
{INVALID_ALEN, "data padding missing"},
{0, NULL}
};
static inline u_int tlv_valid(const struct forces_tlv *tlv, u_int rlen)
{
if (rlen < TLV_HDRL)
return INVALID_RLEN;
if (EXTRACT_16BITS(&tlv->length) < TLV_HDRL)
return INVALID_STLN;
if (EXTRACT_16BITS(&tlv->length) > rlen)
return INVALID_LTLN;
if (rlen < F_ALN_LEN(EXTRACT_16BITS(&tlv->length)))
return INVALID_ALEN;
return 0;
}
static inline int ilv_valid(const struct forces_ilv *ilv, u_int rlen)
{
if (rlen < ILV_HDRL)
return INVALID_RLEN;
if (EXTRACT_32BITS(&ilv->length) < ILV_HDRL)
return INVALID_STLN;
if (EXTRACT_32BITS(&ilv->length) > rlen)
return INVALID_LTLN;
if (rlen < F_ALN_LEN(EXTRACT_32BITS(&ilv->length)))
return INVALID_ALEN;
return 0;
}
static int lfbselect_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int redirect_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int asrtlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int asttlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
struct forces_lfbsh {
u_int32_t class;
u_int32_t instance;
};
#define ASSNS_OPS (B_OP_REPORT)
#define CFG_OPS (B_OP_SET|B_OP_SETPROP|B_OP_DEL|B_OP_COMMIT|B_OP_RTRCOMP)
#define CFG_ROPS (B_OP_SETRESP|B_OP_SETPRESP|B_OP_DELRESP|B_OP_RCOMMIT)
#define CFG_QY (B_OP_GET|B_OP_GETPROP)
#define CFG_QYR (B_OP_GETRESP|B_OP_GETPRESP)
#define CFG_EVN (B_OP_REPORT)
static const struct tom_h ForCES_msg[TOM_MAX_IND + 1] = {
/* TOM_RSV_I */ {TOM_RSVD, ZERO_TTLV, 0, "Invalid message", NULL},
/* TOM_ASS_I */ {TOM_ASSNSETUP, ZERO_MORE_TTLV | TWO_TLV, ASSNS_OPS,
"Association Setup", lfbselect_print},
/* TOM_AST_I */
{TOM_ASSNTEARD, TTLV_T1, 0, "Association TearDown", asttlv_print},
/* TOM_CFG_I */ {TOM_CONFIG, TTLV_T2, CFG_OPS, "Config", lfbselect_print},
/* TOM_QRY_I */ {TOM_QUERY, TTLV_T2, CFG_QY, "Query", lfbselect_print},
/* TOM_EVN_I */ {TOM_EVENTNOT, TTLV_T1, CFG_EVN, "Event Notification",
lfbselect_print},
/* TOM_RED_I */
{TOM_PKTREDIR, TTLV_T2, 0, "Packet Redirect", redirect_print},
/* TOM_HBT_I */ {TOM_HEARTBT, ZERO_TTLV, 0, "HeartBeat", NULL},
/* TOM_ASR_I */
{TOM_ASSNSETREP, TTLV_T1, 0, "Association Response", asrtlv_print},
/* TOM_CNR_I */ {TOM_CONFIGREP, TTLV_T2, CFG_ROPS, "Config Response",
lfbselect_print},
/* TOM_QRR_I */
{TOM_QUERYREP, TTLV_T2, CFG_QYR, "Query Response", lfbselect_print},
};
static inline const struct tom_h *get_forces_tom(u_int8_t tom)
{
int i;
for (i = TOM_RSV_I; i <= TOM_MAX_IND; i++) {
const struct tom_h *th = &ForCES_msg[i];
if (th->v == tom)
return th;
}
return &ForCES_msg[TOM_RSV_I];
}
struct pdata_ops {
u_int32_t v;
u_int16_t flags;
u_int16_t op_msk;
const char *s;
int (*print) (netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
};
enum {
PD_RSV_I,
PD_SEL_I,
PD_FDT_I,
PD_SDT_I,
PD_RES_I,
PD_PDT_I,
_PD_RSV_MAX
};
#define PD_MAX_IND (_TOM_RSV_MAX - 1)
static inline int pd_valid(u_int16_t pd)
{
if (pd >= F_TLV_PDAT && pd <= F_TLV_REST)
return 1;
return 0;
}
static inline void
chk_op_type(netdissect_options *ndo,
u_int16_t type, u_int16_t msk, u_int16_t omsk)
{
if (type != F_TLV_PDAT) {
if (msk & B_KEYIN) {
if (type != F_TLV_KEYI) {
ND_PRINT((ndo, "Based on flags expected KEYINFO TLV!\n"));
}
} else {
if (!(msk & omsk)) {
ND_PRINT((ndo, "Illegal DATA encoding for type 0x%x programmed %x got %x \n",
type, omsk, msk));
}
}
}
}
#define F_SELKEY 1
#define F_SELTABRANGE 2
#define F_TABAPPEND 4
struct res_val {
u_int8_t result;
u_int8_t resv1;
u_int16_t resv2;
};
static int prestlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int pkeyitlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int fdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static int sdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
u_int16_t op_msk, int indent);
static const struct pdata_ops ForCES_pdata[PD_MAX_IND + 1] = {
/* PD_RSV_I */ {0, 0, 0, "Invalid message", NULL},
/* PD_SEL_I */ {F_TLV_KEYI, 0, 0, "KEYINFO TLV", pkeyitlv_print},
/* PD_FDT_I */ {F_TLV_FULD, 0, B_FULLD, "FULLDATA TLV", fdatatlv_print},
/* PD_SDT_I */ {F_TLV_SPAD, 0, B_SPARD, "SPARSEDATA TLV", sdatatlv_print},
/* PD_RES_I */ {F_TLV_REST, 0, B_RESTV, "RESULT TLV", prestlv_print},
/* PD_PDT_I */
{F_TLV_PDAT, 0, 0, "Inner PATH-DATA TLV", recpdoptlv_print},
};
static inline const struct pdata_ops *get_forces_pd(u_int16_t pd)
{
int i;
for (i = PD_RSV_I + 1; i <= PD_MAX_IND; i++) {
const struct pdata_ops *pdo = &ForCES_pdata[i];
if (pdo->v == pd)
return pdo;
}
return &ForCES_pdata[TOM_RSV_I];
}
enum {
E_SUCCESS,
E_INVALID_HEADER,
E_LENGTH_MISMATCH,
E_VERSION_MISMATCH,
E_INVALID_DESTINATION_PID,
E_LFB_UNKNOWN,
E_LFB_NOT_FOUND,
E_LFB_INSTANCE_ID_NOT_FOUND,
E_INVALID_PATH,
E_COMPONENT_DOES_NOT_EXIST,
E_EXISTS,
E_NOT_FOUND,
E_READ_ONLY,
E_INVALID_ARRAY_CREATION,
E_VALUE_OUT_OF_RANGE,
E_CONTENTS_TOO_LONG,
E_INVALID_PARAMETERS,
E_INVALID_MESSAGE_TYPE,
E_INVALID_FLAGS,
E_INVALID_TLV,
E_EVENT_ERROR,
E_NOT_SUPPORTED,
E_MEMORY_ERROR,
E_INTERNAL_ERROR,
/* 0x18-0xFE are reserved .. */
E_UNSPECIFIED_ERROR = 0XFF
};
static const struct tok ForCES_errs[] = {
{E_SUCCESS, "SUCCESS"},
{E_INVALID_HEADER, "INVALID HEADER"},
{E_LENGTH_MISMATCH, "LENGTH MISMATCH"},
{E_VERSION_MISMATCH, "VERSION MISMATCH"},
{E_INVALID_DESTINATION_PID, "INVALID DESTINATION PID"},
{E_LFB_UNKNOWN, "LFB UNKNOWN"},
{E_LFB_NOT_FOUND, "LFB NOT FOUND"},
{E_LFB_INSTANCE_ID_NOT_FOUND, "LFB INSTANCE ID NOT FOUND"},
{E_INVALID_PATH, "INVALID PATH"},
{E_COMPONENT_DOES_NOT_EXIST, "COMPONENT DOES NOT EXIST"},
{E_EXISTS, "EXISTS ALREADY"},
{E_NOT_FOUND, "NOT FOUND"},
{E_READ_ONLY, "READ ONLY"},
{E_INVALID_ARRAY_CREATION, "INVALID ARRAY CREATION"},
{E_VALUE_OUT_OF_RANGE, "VALUE OUT OF RANGE"},
{E_CONTENTS_TOO_LONG, "CONTENTS TOO LONG"},
{E_INVALID_PARAMETERS, "INVALID PARAMETERS"},
{E_INVALID_MESSAGE_TYPE, "INVALID MESSAGE TYPE"},
{E_INVALID_FLAGS, "INVALID FLAGS"},
{E_INVALID_TLV, "INVALID TLV"},
{E_EVENT_ERROR, "EVENT ERROR"},
{E_NOT_SUPPORTED, "NOT SUPPORTED"},
{E_MEMORY_ERROR, "MEMORY ERROR"},
{E_INTERNAL_ERROR, "INTERNAL ERROR"},
{E_UNSPECIFIED_ERROR, "UNSPECIFIED ERROR"},
{0, NULL}
};
#define RESLEN 4
static int
prestlv_print(netdissect_options *ndo,
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) {
ND_PRINT((ndo, "illegal RESULT-TLV: %d bytes!\n", dlen));
return -1;
}
ND_TCHECK(*r);
if (r->result >= 0x18 && r->result <= 0xFE) {
ND_PRINT((ndo, "illegal reserved result code: 0x%x!\n", r->result));
return -1;
}
if (ndo->ndo_vflag >= 3) {
char *ib = indent_pr(indent, 0);
ND_PRINT((ndo, "%s Result: %s (code 0x%x)\n", ib,
tok2str(ForCES_errs, NULL, r->result), r->result));
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
fdatatlv_print(netdissect_options *ndo,
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;
ND_TCHECK(*tlv);
type = EXTRACT_16BITS(&tlv->type);
if (type != F_TLV_FULD) {
ND_PRINT((ndo, "Error: expecting FULLDATA!\n"));
return -1;
}
if (ndo->ndo_vflag >= 3) {
char *ib = indent_pr(indent + 2, 1);
ND_PRINT((ndo, "%s[", &ib[1]));
hex_print_with_offset(ndo, ib, tdp, rlen, 0);
ND_PRINT((ndo, "\n%s]\n", &ib[1]));
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
sdatailv_print(netdissect_options *ndo,
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) {
ND_PRINT((ndo, "Error: BAD SPARSEDATA-TLV!\n"));
return -1;
}
rlen = len;
indent += 1;
while (rlen != 0) {
#if 0
ND_PRINT((ndo, "Jamal - outstanding length <%d>\n", rlen));
#endif
char *ib = indent_pr(indent, 1);
register const u_char *tdp = (u_char *) ILV_DATA(ilv);
ND_TCHECK(*ilv);
invilv = ilv_valid(ilv, rlen);
if (invilv) {
ND_PRINT((ndo, "%s[", &ib[1]));
hex_print_with_offset(ndo, ib, tdp, rlen, 0);
ND_PRINT((ndo, "\n%s]\n", &ib[1]));
return -1;
}
if (ndo->ndo_vflag >= 3) {
int ilvl = EXTRACT_32BITS(&ilv->length);
ND_PRINT((ndo, "\n%s ILV: type %x length %d\n", &ib[1],
EXTRACT_32BITS(&ilv->type), ilvl));
hex_print_with_offset(ndo, "\t\t[", tdp, ilvl-ILV_HDRL, 0);
}
ilv = GO_NXT_ILV(ilv, rlen);
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
sdatatlv_print(netdissect_options *ndo,
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;
ND_TCHECK(*tlv);
type = EXTRACT_16BITS(&tlv->type);
if (type != F_TLV_SPAD) {
ND_PRINT((ndo, "Error: expecting SPARSEDATA!\n"));
return -1;
}
return sdatailv_print(ndo, tdp, rlen, op_msk, indent);
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
pkeyitlv_print(netdissect_options *ndo,
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;
u_int invtlv;
ND_TCHECK(*tdp);
id = EXTRACT_32BITS(tdp);
ND_PRINT((ndo, "%sKeyinfo: Key 0x%x\n", ib, id));
ND_TCHECK(*kdtlv);
type = EXTRACT_16BITS(&kdtlv->type);
invtlv = tlv_valid(kdtlv, len);
if (invtlv) {
ND_PRINT((ndo, "%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(ndo, dp, tll, op_msk, indent);
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
#define PTH_DESC_SIZE 12
static int
pdatacnt_print(netdissect_options *ndo,
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);
if ((op_msk & B_APPND) && ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "%sTABLE APPEND\n", ib));
}
for (i = 0; i < IDcnt; i++) {
ND_TCHECK2(*pptr, 4);
if (len < 4)
goto trunc;
id = EXTRACT_32BITS(pptr);
if (ndo->ndo_vflag >= 3)
ND_PRINT((ndo, "%sID#%02u: %d\n", ib, i + 1, id));
len -= 4;
pptr += 4;
}
if ((op_msk & B_TRNG) || (op_msk & B_KEYIN)) {
if (op_msk & B_TRNG) {
u_int32_t starti, endi;
if (len < PTH_DESC_SIZE) {
ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
len, PTH_DESC_SIZE));
return -1;
}
pptr += sizeof(struct forces_tlv);
len -= sizeof(struct forces_tlv);
starti = EXTRACT_32BITS(pptr);
pptr += 4;
len -= 4;
endi = EXTRACT_32BITS(pptr);
pptr += 4;
len -= 4;
if (ndo->ndo_vflag >= 3)
ND_PRINT((ndo, "%sTable range: [%d,%d]\n", ib, starti, endi));
}
if (op_msk & B_KEYIN) {
struct forces_tlv *keytlv;
u_int16_t tll;
if (len < PTH_DESC_SIZE) {
ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
len, PTH_DESC_SIZE));
return -1;
}
/* skip keyid */
pptr += 4;
len -= 4;
keytlv = (struct forces_tlv *)pptr;
/* skip header */
pptr += sizeof(struct forces_tlv);
len -= sizeof(struct forces_tlv);
/* skip key content */
tll = EXTRACT_16BITS(&keytlv->length);
if (tll < TLV_HDRL) {
ND_PRINT((ndo, "key content length %u < %u\n",
tll, TLV_HDRL));
return -1;
}
tll -= TLV_HDRL;
if (len < tll) {
ND_PRINT((ndo, "key content too short\n"));
return -1;
}
pptr += tll;
len -= tll;
}
}
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;
u_int invtlv;
ND_TCHECK(*pdtlv);
type = EXTRACT_16BITS(&pdtlv->type);
invtlv = tlv_valid(pdtlv, len);
if (invtlv) {
ND_PRINT((ndo, "%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) {
ND_PRINT((ndo,
"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 (ndo->ndo_vflag >= 3 && ops->v != F_TLV_PDAT) {
if (pad)
ND_PRINT((ndo, "%s %s (Length %d DataLen %d pad %d Bytes)\n",
ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll, pad));
else
ND_PRINT((ndo, "%s %s (Length %d DataLen %d Bytes)\n",
ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll));
}
chk_op_type(ndo, type, op_msk, ops->op_msk);
if (ops->print(ndo, (const u_char *)pdtlv,
tll + pad + TLV_HDRL, op_msk,
indent + 2) == -1)
return -1;
len -= (TLV_HDRL + pad + tll);
} else {
ND_PRINT((ndo, "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(ndo, "Bad Data val\n\t [",
pptr, len, 0);
ND_PRINT((ndo, "]\n"));
return -1;
}
}
}
return len;
trunc:
ND_PRINT((ndo, "%s", tstr));
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;
}
static int
genoptlv_print(netdissect_options *ndo,
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;
u_int invtlv;
char *ib = indent_pr(indent, 0);
ND_TCHECK(*pdtlv);
type = EXTRACT_16BITS(&pdtlv->type);
tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
invtlv = tlv_valid(pdtlv, len);
ND_PRINT((ndo, "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)) {
ND_PRINT((ndo, "%s TLV type 0x%x len %d\n",
tok2str(ForCES_TLV_err, NULL, invtlv), type,
EXTRACT_16BITS(&pdtlv->length)));
return -1;
}
if (ndo->ndo_vflag >= 3)
ND_PRINT((ndo, "%s%s, length %d (data length %d Bytes)",
ib, tok2str(ForCES_TLV, NULL, type),
EXTRACT_16BITS(&pdtlv->length), tll));
return pdata_print(ndo, dp, tll, op_msk, indent + 1);
} else {
ND_PRINT((ndo, "\t\t\tInvalid ForCES TLV type=%x", type));
return -1;
}
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
recpdoptlv_print(netdissect_options *ndo,
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;
u_int invtlv;
u_int16_t type;
register const u_char *dp;
char *ib;
while (len != 0) {
ND_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 (ndo->ndo_vflag >= 3)
ND_PRINT((ndo, "%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(ndo, dp, tll, op_msk, indent + 1) == -1)
return -1;
pdtlv = GO_NXT_TLV(pdtlv, len);
}
if (len) {
ND_PRINT((ndo,
"\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:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
invoptlv_print(netdissect_options *ndo,
register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent)
{
char *ib = indent_pr(indent, 1);
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "%sData[", &ib[1]));
hex_print_with_offset(ndo, ib, pptr, len, 0);
ND_PRINT((ndo, "%s]\n", ib));
}
return -1;
}
static int
otlv_print(netdissect_options *ndo,
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.
*/
ND_TCHECK(*otlv);
type = EXTRACT_16BITS(&otlv->type);
tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
ops = get_forces_optlv_h(type);
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "%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 .. */
ND_PRINT((ndo, "%s: Illegal - MUST be empty\n", ops->s));
return rc;
}
/* rest of ops must at least have 12B {pathinfo} */
if (tll < OP_MIN_SIZ) {
ND_PRINT((ndo, "\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
EXTRACT_16BITS(&otlv->length)));
ND_PRINT((ndo, "\t\tTruncated data size %d minimum required %d\n", tll,
OP_MIN_SIZ));
return invoptlv_print(ndo, dp, tll, ops->op_msk, indent);
}
rc = ops->print(ndo, dp, tll, ops->op_msk, indent + 1);
return rc;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
#define ASTDLN 4
#define ASTMCD 255
static int
asttlv_print(netdissect_options *ndo,
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) {
ND_PRINT((ndo, "illegal ASTresult-TLV: %d bytes!\n", dlen));
return -1;
}
ND_TCHECK2(*pptr, 4);
rescode = EXTRACT_32BITS(pptr);
if (rescode > ASTMCD) {
ND_PRINT((ndo, "illegal ASTresult result code: %d!\n", rescode));
return -1;
}
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "Teardown reason:\n%s", ib));
switch (rescode) {
case 0:
ND_PRINT((ndo, "Normal Teardown"));
break;
case 1:
ND_PRINT((ndo, "Loss of Heartbeats"));
break;
case 2:
ND_PRINT((ndo, "Out of bandwidth"));
break;
case 3:
ND_PRINT((ndo, "Out of Memory"));
break;
case 4:
ND_PRINT((ndo, "Application Crash"));
break;
default:
ND_PRINT((ndo, "Unknown Teardown reason"));
break;
}
ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
#define ASRDLN 4
#define ASRMCD 3
static int
asrtlv_print(netdissect_options *ndo,
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 */
ND_PRINT((ndo, "illegal ASRresult-TLV: %d bytes!\n", dlen));
return -1;
}
ND_TCHECK2(*pptr, 4);
rescode = EXTRACT_32BITS(pptr);
if (rescode > ASRMCD) {
ND_PRINT((ndo, "illegal ASRresult result code: %d!\n", rescode));
return -1;
}
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "\n%s", ib));
switch (rescode) {
case 0:
ND_PRINT((ndo, "Success "));
break;
case 1:
ND_PRINT((ndo, "FE ID invalid "));
break;
case 2:
ND_PRINT((ndo, "permission denied "));
break;
default:
ND_PRINT((ndo, "Unknown "));
break;
}
ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
#if 0
/*
* XXX - not used.
*/
static int
gentltlv_print(netdissect_options *ndo,
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 */
ND_PRINT((ndo, "truncated TLV: %d bytes missing! ", 4 - dlen));
return -1;
}
return 0;
}
#endif
#define RD_MIN 8
static int
print_metailv(netdissect_options *ndo,
register const u_char * pptr, u_int16_t op_msk _U_, int indent)
{
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.
*/
rlen = EXTRACT_32BITS(&ilv->length) - ILV_HDRL;
ND_TCHECK(*ilv);
ND_PRINT((ndo, "%sMetaID 0x%x length %d\n", ib, EXTRACT_32BITS(&ilv->type),
EXTRACT_32BITS(&ilv->length)));
if (ndo->ndo_vflag >= 3) {
hex_print_with_offset(ndo, "\t\t[", ILV_DATA(ilv), rlen, 0);
ND_PRINT((ndo, " ]\n"));
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
print_metatlv(netdissect_options *ndo,
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;
ND_PRINT((ndo, "\n%s METADATA length %d \n", ib, rlen));
while (rlen != 0) {
ND_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(ndo, (u_char *) ilv, 0, indent + 1);
ilv = GO_NXT_ILV(ilv, rlen);
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
print_reddata(netdissect_options *ndo,
register const u_char * pptr, register u_int len,
u_int16_t op_msk _U_, int indent _U_)
{
u_int dlen;
char *ib = indent_pr(indent, 0);
u_int rlen;
dlen = len - TLV_HDRL;
rlen = dlen;
ND_PRINT((ndo, "\n%s Redirect Data length %d \n", ib, rlen));
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "\t\t["));
hex_print_with_offset(ndo, "\n\t\t", pptr, rlen, 0);
ND_PRINT((ndo, "\n\t\t]"));
}
return 0;
}
static int
redirect_print(netdissect_options *ndo,
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;
u_int invtlv;
/*
* forces_type_print() has ensured that len (the TLV length)
* >= TLV_HDRL.
*/
dlen = len - TLV_HDRL;
if (dlen <= RD_MIN) {
ND_PRINT((ndo, "\n\t\ttruncated Redirect TLV: %d bytes missing! ",
RD_MIN - dlen));
return -1;
}
rlen = dlen;
indent += 1;
while (rlen != 0) {
ND_TCHECK(*tlv);
invtlv = tlv_valid(tlv, rlen);
if (invtlv) {
ND_PRINT((ndo, "Bad Redirect data\n"));
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(ndo, (u_char *) TLV_DATA(tlv),
EXTRACT_16BITS(&tlv->length), 0, indent);
} else if ((EXTRACT_16BITS(&tlv->type) == F_TLV_REDD)) {
print_reddata(ndo, (u_char *) TLV_DATA(tlv),
EXTRACT_16BITS(&tlv->length), 0, indent);
} else {
ND_PRINT((ndo, "Unknown REDIRECT TLV 0x%x len %d\n",
EXTRACT_16BITS(&tlv->type),
EXTRACT_16BITS(&tlv->length)));
}
tlv = GO_NXT_TLV(tlv, rlen);
}
if (rlen) {
ND_PRINT((ndo,
"\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:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
#define OP_OFF 8
#define OP_MIN 12
static int
lfbselect_print(netdissect_options *ndo,
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;
u_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 .. */
ND_PRINT((ndo, "\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;
ND_TCHECK(*lfbs);
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "\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) {
ND_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(ndo, otlv, 0, indent);
} else {
if (ndo->ndo_vflag < 3)
ND_PRINT((ndo, "\n"));
ND_PRINT((ndo,
"\t\tINValid oper-TLV type 0x%x length %d for this ForCES message\n",
EXTRACT_16BITS(&otlv->type), EXTRACT_16BITS(&otlv->length)));
invoptlv_print(ndo, (u_char *)otlv, rlen, 0, indent);
}
otlv = GO_NXT_TLV(otlv, rlen);
}
if (rlen) {
ND_PRINT((ndo,
"\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:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
forces_type_print(netdissect_options *ndo,
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;
u_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) {
ND_PRINT((ndo, "<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) {
ND_PRINT((ndo, "\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) {
ND_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))) {
ND_PRINT((ndo, "\n\tInvalid ForCES Top TLV type=0x%x",
EXTRACT_16BITS(&tltlv->type)));
return -1;
}
if (ndo->ndo_vflag >= 3)
ND_PRINT((ndo, "\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(ndo, (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) {
ND_PRINT((ndo, "\tMess TopTLV header: min %u, total %d advertised %d ",
TLV_HDRL, rlen, EXTRACT_16BITS(&tltlv->length)));
return -1;
}
return 0;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
void
forces_print(netdissect_options *ndo,
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;
ND_TCHECK(*fhdr);
if (!tom_valid(fhdr->fm_tom)) {
ND_PRINT((ndo, "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) {
ND_PRINT((ndo, "\n\tUnknown ForCES message type=0x%x", fhdr->fm_tom));
goto error;
}
ND_PRINT((ndo, "\n\tForCES %s ", tops->s));
if (!ForCES_HLN_VALID(mlen, len)) {
ND_PRINT((ndo,
"Illegal ForCES pkt len - min %u, total recvd %d, advertised %d ",
ForCES_HDRL, len, ForCES_BLN(fhdr)));
goto error;
}
ND_TCHECK2(*(pptr + 20), 4);
flg_raw = EXTRACT_32BITS(pptr + 20);
if (ndo->ndo_vflag >= 1) {
ND_PRINT((ndo, "\n\tForCES Version %d len %uB flags 0x%08x ",
ForCES_V(fhdr), mlen, flg_raw));
ND_PRINT((ndo,
"\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 (ndo->ndo_vflag >= 2) {
ND_PRINT((ndo,
"\n\tForCES flags:\n\t %s(0x%x), prio=%d, %s(0x%x),\n\t %s(0x%x), %s(0x%x)\n",
tok2str(ForCES_ACKs, "ACKUnknown", ForCES_ACK(fhdr)),
ForCES_ACK(fhdr),
ForCES_PRI(fhdr),
tok2str(ForCES_EMs, "EMUnknown", ForCES_EM(fhdr)),
ForCES_EM(fhdr),
tok2str(ForCES_ATs, "ATUnknown", ForCES_AT(fhdr)),
ForCES_AT(fhdr),
tok2str(ForCES_TPs, "TPUnknown", ForCES_TP(fhdr)),
ForCES_TP(fhdr)));
ND_PRINT((ndo,
"\t Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
ForCES_RS1(fhdr), ForCES_RS2(fhdr)));
}
rc = forces_type_print(ndo, pptr, fhdr, mlen, tops);
if (rc < 0) {
error:
hex_print_with_offset(ndo, "\n\t[", pptr, len, 0);
ND_PRINT((ndo, "\n\t]"));
return;
}
if (ndo->ndo_vflag >= 4) {
ND_PRINT((ndo, "\n\t Raw ForCES message\n\t ["));
hex_print_with_offset(ndo, "\n\t ", pptr, len, 0);
ND_PRINT((ndo, "\n\t ]"));
}
ND_PRINT((ndo, "\n"));
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
/*
* Local Variables:
* c-style: whitesmith
* c-basic-offset: 8
* End:
*/
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