* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <string.h>
-#include "addrtoname.h"
#include "interface.h"
+#include "addrtoname.h"
#include "ethertype.h"
#include "nlpid.h"
#include "extract.h"
#include "oui.h"
-static void frf15_print(const u_char *, u_int);
+static void frf15_print(netdissect_options *ndo, const u_char *, u_int);
/*
* the frame relay header has a variable length
* save the flags dep. on address length
*/
static int parse_q922_addr(const u_char *p, u_int *dlci,
- u_int *addr_len, u_int8_t *flags)
+ u_int *addr_len, uint8_t *flags)
{
if ((p[0] & FR_EA_BIT))
return -1;
char *q922_string(const u_char *p) {
static u_int dlci, addr_len;
- static u_int8_t flags[4];
+ static uint8_t flags[4];
static char buffer[sizeof("DLCI xxxxxxxxxx")];
memset(buffer, 0, sizeof(buffer));
}
static void
-fr_hdr_print(int length, u_int addr_len, u_int dlci, u_int8_t *flags, u_int16_t nlpid)
+fr_hdr_print(netdissect_options *ndo,
+ int length, u_int addr_len, u_int dlci, uint8_t *flags, uint16_t nlpid)
{
- if (qflag) {
- (void)printf("Q.922, DLCI %u, length %u: ",
+ if (ndo->ndo_qflag) {
+ ND_PRINT((ndo, "Q.922, DLCI %u, length %u: ",
dlci,
- length);
+ length));
} else {
if (nlpid <= 0xff) /* if its smaller than 256 then its a NLPID */
- (void)printf("Q.922, hdr-len %u, DLCI %u, Flags [%s], NLPID %s (0x%02x), length %u: ",
+ ND_PRINT((ndo, "Q.922, hdr-len %u, DLCI %u, Flags [%s], NLPID %s (0x%02x), length %u: ",
addr_len,
dlci,
bittok2str(fr_header_flag_values, "none", EXTRACT_32BITS(flags)),
tok2str(nlpid_values,"unknown", nlpid),
nlpid,
- length);
+ length));
else /* must be an ethertype */
- (void)printf("Q.922, hdr-len %u, DLCI %u, Flags [%s], cisco-ethertype %s (0x%04x), length %u: ",
+ ND_PRINT((ndo, "Q.922, hdr-len %u, DLCI %u, Flags [%s], cisco-ethertype %s (0x%04x), length %u: ",
addr_len,
dlci,
bittok2str(fr_header_flag_values, "none", EXTRACT_32BITS(flags)),
tok2str(ethertype_values, "unknown", nlpid),
nlpid,
- length);
+ length));
}
}
u_int
-fr_if_print(const struct pcap_pkthdr *h, register const u_char *p)
+fr_if_print(netdissect_options *ndo,
+ const struct pcap_pkthdr *h, register const u_char *p)
{
register u_int length = h->len;
register u_int caplen = h->caplen;
- TCHECK2(*p, 4); /* minimum frame header length */
+ ND_TCHECK2(*p, 4); /* minimum frame header length */
- if ((length = fr_print(p, length)) == 0)
+ if ((length = fr_print(ndo, p, length)) == 0)
return (0);
else
return length;
trunc:
- printf("[|fr]");
+ ND_PRINT((ndo, "[|fr]"));
return caplen;
}
u_int
-fr_print(register const u_char *p, u_int length)
+fr_print(netdissect_options *ndo,
+ register const u_char *p, u_int length)
{
- u_int16_t extracted_ethertype;
+ uint16_t extracted_ethertype;
u_int dlci;
u_int addr_len;
- u_int16_t nlpid;
+ uint16_t nlpid;
u_int hdr_len;
- u_int8_t flags[4];
+ uint8_t flags[4];
if (parse_q922_addr(p, &dlci, &addr_len, flags)) {
- printf("Q.922, invalid address");
+ ND_PRINT((ndo, "Q.922, invalid address"));
return 0;
}
- TCHECK2(*p,addr_len+1+1);
+ ND_TCHECK2(*p, addr_len+1+1);
hdr_len = fr_hdrlen(p, addr_len);
- TCHECK2(*p,hdr_len);
+ ND_TCHECK2(*p, hdr_len);
if (p[addr_len] != 0x03 && dlci != 0) {
/* lets figure out if we have cisco style encapsulation: */
extracted_ethertype = EXTRACT_16BITS(p+addr_len);
- if (eflag)
- fr_hdr_print(length, addr_len, dlci, flags, extracted_ethertype);
+ if (ndo->ndo_eflag)
+ fr_hdr_print(ndo, length, addr_len, dlci, flags, extracted_ethertype);
- if (ethertype_print(gndo, extracted_ethertype,
+ if (ethertype_print(ndo, extracted_ethertype,
p+addr_len+ETHERTYPE_LEN,
length-addr_len-ETHERTYPE_LEN,
length-addr_len-ETHERTYPE_LEN) == 0)
/* ether_type not known, probably it wasn't one */
- printf("UI %02x! ", p[addr_len]);
+ ND_PRINT((ndo, "UI %02x! ", p[addr_len]));
else
return hdr_len;
}
if (!p[addr_len + 1]) { /* pad byte should be used with 3-byte Q.922 */
if (addr_len != 3)
- printf("Pad! ");
+ ND_PRINT((ndo, "Pad! "));
} else if (addr_len == 3)
- printf("No pad! ");
+ ND_PRINT((ndo, "No pad! "));
nlpid = p[hdr_len - 1];
- if (eflag)
- fr_hdr_print(length, addr_len, dlci, flags, nlpid);
+ if (ndo->ndo_eflag)
+ fr_hdr_print(ndo, length, addr_len, dlci, flags, nlpid);
p += hdr_len;
length -= hdr_len;
switch (nlpid) {
case NLPID_IP:
- ip_print(gndo, p, length);
+ ip_print(ndo, p, length);
break;
#ifdef INET6
case NLPID_IP6:
- ip6_print(gndo, p, length);
+ ip6_print(ndo, p, length);
break;
#endif
case NLPID_CLNP:
case NLPID_ESIS:
case NLPID_ISIS:
- isoclns_print(p-1, length+1, length+1); /* OSI printers need the NLPID field */
+ isoclns_print(ndo, p - 1, length + 1, length + 1); /* OSI printers need the NLPID field */
break;
case NLPID_SNAP:
- if (snap_print(p, length, length, 0) == 0) {
+ if (snap_print(ndo, p, length, length, 0) == 0) {
/* ether_type not known, print raw packet */
- if (!eflag)
- fr_hdr_print(length + hdr_len, hdr_len,
+ if (!ndo->ndo_eflag)
+ fr_hdr_print(ndo, length + hdr_len, hdr_len,
dlci, flags, nlpid);
- if (!suppress_default_print)
- default_print(p - hdr_len, length + hdr_len);
+ if (!ndo->ndo_suppress_default_print)
+ ND_DEFAULTPRINT(p - hdr_len, length + hdr_len);
}
break;
case NLPID_Q933:
- q933_print(p, length);
+ q933_print(ndo, p, length);
break;
case NLPID_MFR:
- frf15_print(p, length);
+ frf15_print(ndo, p, length);
break;
case NLPID_PPP:
- ppp_print(p, length);
+ ppp_print(ndo, p, length);
break;
default:
- if (!eflag)
- fr_hdr_print(length + hdr_len, addr_len,
+ if (!ndo->ndo_eflag)
+ fr_hdr_print(ndo, length + hdr_len, addr_len,
dlci, flags, nlpid);
- if (!xflag)
- default_print(p, length);
+ if (!ndo->ndo_xflag)
+ ND_DEFAULTPRINT(p, length);
}
return hdr_len;
trunc:
- printf("[|fr]");
+ ND_PRINT((ndo, "[|fr]"));
return 0;
}
u_int
-mfr_if_print(const struct pcap_pkthdr *h, register const u_char *p)
+mfr_if_print(netdissect_options *ndo,
+ const struct pcap_pkthdr *h, register const u_char *p)
{
register u_int length = h->len;
register u_int caplen = h->caplen;
- TCHECK2(*p, 2); /* minimum frame header length */
+ ND_TCHECK2(*p, 2); /* minimum frame header length */
- if ((length = mfr_print(p, length)) == 0)
+ if ((length = mfr_print(ndo, p, length)) == 0)
return (0);
else
return length;
trunc:
- printf("[|mfr]");
+ ND_PRINT((ndo, "[|mfr]"));
return caplen;
}
#define MFR_ID_STRING_MAXLEN 50
struct ie_tlv_header_t {
- u_int8_t ie_type;
- u_int8_t ie_len;
+ uint8_t ie_type;
+ uint8_t ie_len;
};
u_int
-mfr_print(register const u_char *p, u_int length)
+mfr_print(netdissect_options *ndo,
+ register const u_char *p, u_int length)
{
u_int tlen,idx,hdr_len = 0;
- u_int16_t sequence_num;
- u_int8_t ie_type,ie_len;
- const u_int8_t *tptr;
+ uint16_t sequence_num;
+ uint8_t ie_type,ie_len;
+ const uint8_t *tptr;
/*
* +----+----+----+----+----+----+----+----+
*/
- TCHECK2(*p, 4); /* minimum frame header length */
+ ND_TCHECK2(*p, 4); /* minimum frame header length */
if ((p[0] & MFR_BEC_MASK) == MFR_CTRL_FRAME && p[1] == 0) {
- printf("FRF.16 Control, Flags [%s], %s, length %u",
+ ND_PRINT((ndo, "FRF.16 Control, Flags [%s], %s, length %u",
bittok2str(frf_flag_values,"none",(p[0] & MFR_BEC_MASK)),
tok2str(mfr_ctrl_msg_values,"Unknown Message (0x%02x)",p[2]),
- length);
+ length));
tptr = p + 3;
tlen = length -3;
hdr_len = 3;
- if (!vflag)
+ if (!ndo->ndo_vflag)
return hdr_len;
while (tlen>sizeof(struct ie_tlv_header_t)) {
- TCHECK2(*tptr, sizeof(struct ie_tlv_header_t));
+ ND_TCHECK2(*tptr, sizeof(struct ie_tlv_header_t));
ie_type=tptr[0];
ie_len=tptr[1];
- printf("\n\tIE %s (%u), length %u: ",
+ ND_PRINT((ndo, "\n\tIE %s (%u), length %u: ",
tok2str(mfr_ctrl_ie_values,"Unknown",ie_type),
ie_type,
- ie_len);
+ ie_len));
/* infinite loop check */
if (ie_type == 0 || ie_len <= sizeof(struct ie_tlv_header_t))
return hdr_len;
- TCHECK2(*tptr,ie_len);
+ ND_TCHECK2(*tptr, ie_len);
tptr+=sizeof(struct ie_tlv_header_t);
/* tlv len includes header */
ie_len-=sizeof(struct ie_tlv_header_t);
switch (ie_type) {
case MFR_CTRL_IE_MAGIC_NUM:
- printf("0x%08x",EXTRACT_32BITS(tptr));
+ ND_PRINT((ndo, "0x%08x", EXTRACT_32BITS(tptr)));
break;
case MFR_CTRL_IE_BUNDLE_ID: /* same message format */
case MFR_CTRL_IE_LINK_ID:
for (idx = 0; idx < ie_len && idx < MFR_ID_STRING_MAXLEN; idx++) {
if (*(tptr+idx) != 0) /* don't print null termination */
- safeputchar(*(tptr+idx));
+ safeputchar(ndo, *(tptr + idx));
else
break;
}
case MFR_CTRL_IE_TIMESTAMP:
if (ie_len == sizeof(struct timeval)) {
- ts_print((const struct timeval *)tptr);
+ ts_print(ndo, (const struct timeval *)tptr);
break;
}
/* fall through and hexdump if no unix timestamp */
case MFR_CTRL_IE_CAUSE:
default:
- if (vflag <= 1)
- print_unknown_data(gndo,tptr,"\n\t ",ie_len);
+ if (ndo->ndo_vflag <= 1)
+ print_unknown_data(ndo, tptr, "\n\t ", ie_len);
break;
}
/* do we want to see a hexdump of the IE ? */
- if (vflag > 1 )
- print_unknown_data(gndo,tptr,"\n\t ",ie_len);
+ if (ndo->ndo_vflag > 1 )
+ print_unknown_data(ndo, tptr, "\n\t ", ie_len);
tlen-=ie_len;
tptr+=ie_len;
/* whole packet or first fragment ? */
if ((p[0] & MFR_BEC_MASK) == MFR_FRAG_FRAME ||
(p[0] & MFR_BEC_MASK) == MFR_B_BIT) {
- printf("FRF.16 Frag, seq %u, Flags [%s], ",
+ ND_PRINT((ndo, "FRF.16 Frag, seq %u, Flags [%s], ",
sequence_num,
- bittok2str(frf_flag_values,"none",(p[0] & MFR_BEC_MASK)));
+ bittok2str(frf_flag_values,"none",(p[0] & MFR_BEC_MASK))));
hdr_len = 2;
- fr_print(p+hdr_len,length-hdr_len);
+ fr_print(ndo, p+hdr_len,length-hdr_len);
return hdr_len;
}
/* must be a middle or the last fragment */
- printf("FRF.16 Frag, seq %u, Flags [%s]",
+ ND_PRINT((ndo, "FRF.16 Frag, seq %u, Flags [%s]",
sequence_num,
- bittok2str(frf_flag_values,"none",(p[0] & MFR_BEC_MASK)));
- print_unknown_data(gndo,p,"\n\t",length);
+ bittok2str(frf_flag_values,"none",(p[0] & MFR_BEC_MASK))));
+ print_unknown_data(ndo, p, "\n\t", length);
return hdr_len;
trunc:
- printf("[|mfr]");
+ ND_PRINT((ndo, "[|mfr]"));
return length;
}
#define FR_FRF15_FRAGTYPE 0x01
static void
-frf15_print (const u_char *p, u_int length) {
+frf15_print(netdissect_options *ndo,
+ const u_char *p, u_int length) {
- u_int16_t sequence_num, flags;
+ uint16_t sequence_num, flags;
flags = p[0]&MFR_BEC_MASK;
sequence_num = (p[0]&0x1e)<<7 | p[1];
- printf("FRF.15, seq 0x%03x, Flags [%s],%s Fragmentation, length %u",
+ ND_PRINT((ndo, "FRF.15, seq 0x%03x, Flags [%s],%s Fragmentation, length %u",
sequence_num,
bittok2str(frf_flag_values,"none",flags),
p[0]&FR_FRF15_FRAGTYPE ? "Interface" : "End-to-End",
- length);
+ length));
/* TODO:
* depending on all permutations of the B, E and C bit
NULL
};
-static int fr_q933_print_ie_codeset5(const struct ie_tlv_header_t *ie_p,
- const u_char *p);
+static int fr_q933_print_ie_codeset5(netdissect_options *ndo,
+ const struct ie_tlv_header_t *ie_p, const u_char *p);
-typedef int (*codeset_pr_func_t)(const struct ie_tlv_header_t *ie_p,
- const u_char *p);
+typedef int (*codeset_pr_func_t)(netdissect_options *,
+ const struct ie_tlv_header_t *ie_p, const u_char *p);
/* array of 16 codepages - currently we only support codepage 1,5 */
static const codeset_pr_func_t fr_q933_print_ie_codeset[] = {
};
void
-q933_print(const u_char *p, u_int length)
+q933_print(netdissect_options *ndo,
+ const u_char *p, u_int length)
{
const u_char *ptemp = p;
struct ie_tlv_header_t *ie_p;
u_int ie_is_known = 0;
if (length < 9) { /* shortest: Q.933a LINK VERIFY */
- printf("[|q.933]");
+ ND_PRINT((ndo, "[|q.933]"));
return;
}
is_ansi = 1;
}
- printf("%s", eflag ? "" : "Q.933, ");
+ ND_PRINT((ndo, "%s", ndo->ndo_eflag ? "" : "Q.933, "));
/* printing out header part */
- printf("%s, codeset %u", is_ansi ? "ANSI" : "CCITT", codeset);
+ ND_PRINT((ndo, "%s, codeset %u", is_ansi ? "ANSI" : "CCITT", codeset));
if (p[0]) {
- printf(", Call Ref: 0x%02x", p[0]);
+ ND_PRINT((ndo, ", Call Ref: 0x%02x", p[0]));
}
- if (vflag) {
- printf(", %s (0x%02x), length %u",
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, ", %s (0x%02x), length %u",
tok2str(fr_q933_msg_values,
"unknown message", p[1]),
p[1],
- length);
+ length));
} else {
- printf(", %s",
+ ND_PRINT((ndo, ", %s",
tok2str(fr_q933_msg_values,
- "unknown message 0x%02x", p[1]));
+ "unknown message 0x%02x", p[1])));
}
olen = length; /* preserve the original length for non verbose mode */
if (length < (u_int)(2 - is_ansi)) {
- printf("[|q.933]");
+ ND_PRINT((ndo, "[|q.933]"));
return;
}
length -= 2 + is_ansi;
ie_p = (struct ie_tlv_header_t *)ptemp;
if (length < sizeof(struct ie_tlv_header_t) ||
length < sizeof(struct ie_tlv_header_t) + ie_p->ie_len) {
- if (vflag) { /* not bark if there is just a trailer */
- printf("\n[|q.933]");
+ if (ndo->ndo_vflag) { /* not bark if there is just a trailer */
+ ND_PRINT((ndo, "\n[|q.933]"));
} else {
- printf(", length %u",olen);
+ ND_PRINT((ndo, ", length %u", olen));
}
return;
}
/* lets do the full IE parsing only in verbose mode
* however some IEs (DLCI Status, Link Verify)
* are also interestting in non-verbose mode */
- if (vflag) {
- printf("\n\t%s IE (0x%02x), length %u: ",
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, "\n\t%s IE (0x%02x), length %u: ",
tok2str(fr_q933_ie_codesets[codeset],
"unknown", ie_p->ie_type),
ie_p->ie_type,
- ie_p->ie_len);
+ ie_p->ie_len));
}
/* sanity check */
}
if (fr_q933_print_ie_codeset[codeset] != NULL) {
- ie_is_known = fr_q933_print_ie_codeset[codeset](ie_p, ptemp);
+ ie_is_known = fr_q933_print_ie_codeset[codeset](ndo, ie_p, ptemp);
}
- if (vflag >= 1 && !ie_is_known) {
- print_unknown_data(gndo,ptemp+2,"\n\t",ie_p->ie_len);
+ if (ndo->ndo_vflag >= 1 && !ie_is_known) {
+ print_unknown_data(ndo, ptemp+2, "\n\t", ie_p->ie_len);
}
/* do we want to see a hexdump of the IE ? */
- if (vflag> 1 && ie_is_known) {
- print_unknown_data(gndo,ptemp+2,"\n\t ",ie_p->ie_len);
+ if (ndo->ndo_vflag> 1 && ie_is_known) {
+ print_unknown_data(ndo, ptemp+2, "\n\t ", ie_p->ie_len);
}
length = length - ie_p->ie_len - 2;
ptemp = ptemp + ie_p->ie_len + 2;
}
- if (!vflag) {
- printf(", length %u",olen);
+ if (!ndo->ndo_vflag) {
+ ND_PRINT((ndo, ", length %u", olen));
}
}
static int
-fr_q933_print_ie_codeset5(const struct ie_tlv_header_t *ie_p, const u_char *p)
+fr_q933_print_ie_codeset5(netdissect_options *ndo,
+ const struct ie_tlv_header_t *ie_p, const u_char *p)
{
u_int dlci;
case FR_LMI_ANSI_REPORT_TYPE_IE: /* fall through */
case FR_LMI_CCITT_REPORT_TYPE_IE:
- if (vflag) {
- printf("%s (%u)",
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, "%s (%u)",
tok2str(fr_lmi_report_type_ie_values,"unknown",p[2]),
- p[2]);
+ p[2]));
}
return 1;
case FR_LMI_ANSI_LINK_VERIFY_IE: /* fall through */
case FR_LMI_CCITT_LINK_VERIFY_IE:
case FR_LMI_ANSI_LINK_VERIFY_IE_91:
- if (!vflag) {
- printf(", ");
+ if (!ndo->ndo_vflag) {
+ ND_PRINT((ndo, ", "));
}
- printf("TX Seq: %3d, RX Seq: %3d", p[2], p[3]);
+ ND_PRINT((ndo, "TX Seq: %3d, RX Seq: %3d", p[2], p[3]));
return 1;
case FR_LMI_ANSI_PVC_STATUS_IE: /* fall through */
case FR_LMI_CCITT_PVC_STATUS_IE:
- if (!vflag) {
- printf(", ");
+ if (!ndo->ndo_vflag) {
+ ND_PRINT((ndo, ", "));
}
/* now parse the DLCI information element. */
if ((ie_p->ie_len < 3) ||
!(p[5] & 0x80))) ||
(ie_p->ie_len > 5) ||
!(p[ie_p->ie_len + 1] & 0x80)) {
- printf("Invalid DLCI IE");
+ ND_PRINT((ndo, "Invalid DLCI IE"));
}
dlci = ((p[2] & 0x3F) << 4) | ((p[3] & 0x78) >> 3);
dlci = (dlci << 13) | (p[4] & 0x7F) | ((p[5] & 0x7E) >> 1);
}
- printf("DLCI %u: status %s%s", dlci,
+ ND_PRINT((ndo, "DLCI %u: status %s%s", dlci,
p[ie_p->ie_len + 1] & 0x8 ? "New, " : "",
- p[ie_p->ie_len + 1] & 0x2 ? "Active" : "Inactive");
+ p[ie_p->ie_len + 1] & 0x2 ? "Active" : "Inactive"));
return 1;
}
projects / tcpdump / blobdiff