int dbg_hexdump_ascii(DBG * d, const unsigned char *data, size_t len)
{
if (!d)
return -1;
if (!d->on)
return 0;
// dbg_printf_raw(d, "对长度为%08d字节的数据(地址0x%08x)进行十六进制转储:", len, data);
hex_and_ascii_print(d, "", data, len);
return 0;
}
static const u_char *
of10_data_print(const u_char *cp, const u_char *ep, const u_int len) {
if (len == 0)
return cp;
/* data */
printf("\n\t data (%u octets)", len);
TCHECK2(*cp, len);
if (vflag >= 2)
hex_and_ascii_print("\n\t ", cp, len);
return cp + len;
trunc:
printf(" [|openflow]");
return ep;
}
int
main(int argc, char *argv[])
{
hex_print("\n\t", "Hello, World!\n", 14);
printf("\n");
hex_and_ascii_print("\n\t", "Hello, World!\n", 14);
printf("\n");
ascii_print("Hello, World!\n", 14);
printf("\n");
#define TMSG "Now is the winter of our discontent...\n"
hex_print_with_offset("\n\t", TMSG, sizeof(TMSG) - 1, 0x100);
printf("\n");
hex_and_ascii_print_with_offset("\n\t", TMSG, sizeof(TMSG) - 1, 0x100);
printf("\n");
exit(0);
}
void
write_block(pcapng_block_t block)
{
bpf_u_int32 n;
if (dumper != NULL) {
n = pcap_ng_dump_block(dumper, block);
if (n != pcap_ng_block_get_len(block))
printf("%s: block len %u != pcap_ng_block_get_len() %u\n",
__func__, pcap_ng_block_get_len(block), n);
}
if (ext_buffer != NULL) {
n = pcap_ng_externalize_block(ext_buffer, ext_len, block);
hex_and_ascii_print("", ext_buffer, pcap_ng_block_get_len(block), "");
if (n != pcap_ng_block_get_len(block))
printf("%s: block len %u != pcap_ng_externalize_block() %u\n",
__func__, pcap_ng_block_get_len(block), n);
}
}
static const u_char *
zmtp1_print_intermediate_part(netdissect_options *ndo, const u_char *cp, const u_int len) {
u_int frame_offset;
uint64_t remaining_len;
ND_TCHECK2(*cp, 2);
frame_offset = EXTRACT_16BITS(cp);
ND_PRINT((ndo, "\n\t frame offset 0x%04x", frame_offset));
cp += 2;
remaining_len = ndo->ndo_snapend - cp; /* without the frame length */
if (frame_offset == 0xFFFF)
frame_offset = len - 2; /* always within the declared length */
else if (2 + frame_offset > len) {
ND_PRINT((ndo, " (exceeds datagram declared length)"));
goto trunc;
}
/* offset within declared length of the datagram */
if (frame_offset) {
ND_PRINT((ndo, "\n\t frame intermediate part, %u bytes", frame_offset));
if (frame_offset > remaining_len)
ND_PRINT((ndo, " (%"PRIu64" captured)", remaining_len));
if (ndo->ndo_vflag) {
uint64_t len_printed = min(frame_offset, remaining_len);
if (ndo->ndo_vflag == 1)
len_printed = min(VBYTES, len_printed);
if (len_printed > 1) {
ND_PRINT((ndo, ", first %"PRIu64" byte(s):", len_printed));
hex_and_ascii_print(ndo, "\n\t ", cp, len_printed);
ND_PRINT((ndo, "\n"));
}
}
}
return cp + frame_offset;
trunc:
ND_PRINT((ndo, "%s", tstr));
return cp + len;
}
static const u_char *
zmtp1_print_frame(netdissect_options *ndo, const u_char *cp, const u_char *ep) {
uint64_t body_len_declared, body_len_captured, header_len;
uint8_t flags;
ND_PRINT((ndo, "\n\t"));
ND_TCHECK2(*cp, 1); /* length/0xFF */
if (cp[0] != 0xFF) {
header_len = 1; /* length */
body_len_declared = cp[0];
if (body_len_declared == 0)
return cp + header_len; /* skip to next frame */
ND_PRINT((ndo, " frame flags+body (8-bit) length %u", cp[0]));
ND_TCHECK2(*cp, header_len + 1); /* length, flags */
flags = cp[1];
} else {
header_len = 1 + 8; /* 0xFF, length */
ND_PRINT((ndo, " frame flags+body (64-bit) length"));
ND_TCHECK2(*cp, header_len); /* 0xFF, length */
body_len_declared = EXTRACT_64BITS(cp + 1);
if (body_len_declared == 0)
return cp + header_len; /* skip to next frame */
ND_PRINT((ndo, " %" PRIu64, body_len_declared));
ND_TCHECK2(*cp, header_len + 1); /* 0xFF, length, flags */
flags = cp[9];
}
body_len_captured = ep - cp - header_len;
if (body_len_declared > body_len_captured)
ND_PRINT((ndo, " (%" PRIu64 " captured)", body_len_captured));
ND_PRINT((ndo, ", flags 0x%02x", flags));
if (ndo->ndo_vflag) {
uint64_t body_len_printed = min(body_len_captured, body_len_declared);
ND_PRINT((ndo, " (%s|%s|%s|%s|%s|%s|%s|%s)",
flags & 0x80 ? "MBZ" : "-",
flags & 0x40 ? "MBZ" : "-",
flags & 0x20 ? "MBZ" : "-",
flags & 0x10 ? "MBZ" : "-",
flags & 0x08 ? "MBZ" : "-",
flags & 0x04 ? "MBZ" : "-",
flags & 0x02 ? "MBZ" : "-",
flags & 0x01 ? "MORE" : "-"));
if (ndo->ndo_vflag == 1)
body_len_printed = min(VBYTES + 1, body_len_printed);
if (body_len_printed > 1) {
ND_PRINT((ndo, ", first %" PRIu64 " byte(s) of body:", body_len_printed - 1));
hex_and_ascii_print(ndo, "\n\t ", cp + header_len + 1, body_len_printed - 1);
ND_PRINT((ndo, "\n"));
}
}
ND_TCHECK2(*cp, header_len + body_len_declared); /* Next frame within the buffer ? */
return cp + header_len + body_len_declared;
trunc:
ND_PRINT((ndo, "%s", tstr));
return ep;
}
void
raw_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
const u_char *sp, u_int hdrlen)
{
if (ndo->ndo_Xflag) {
/*
* Print the raw packet data in hex and ASCII.
*/
if (ndo->ndo_Xflag > 1) {
/*
* Include the link-layer header.
*/
hex_and_ascii_print(ndo, "\n\t", sp, h->caplen);
} else {
/*
* Don't include the link-layer header - and if
* we have nothing past the link-layer header,
* print nothing.
*/
if (h->caplen > hdrlen)
hex_and_ascii_print(ndo, "\n\t", sp + hdrlen,
h->caplen - hdrlen);
}
} else if (ndo->ndo_xflag) {
/*
* Print the raw packet data in hex.
*/
if (ndo->ndo_xflag > 1) {
/*
* Include the link-layer header.
*/
hex_print(ndo, "\n\t", sp, h->caplen);
} else {
/*
* Don't include the link-layer header - and if
* we have nothing past the link-layer header,
* print nothing.
*/
if (h->caplen > hdrlen)
hex_print(ndo, "\n\t", sp + hdrlen,
h->caplen - hdrlen);
}
} else if (ndo->ndo_Aflag) {
/*
* Print the raw packet data in ASCII.
*/
if (ndo->ndo_Aflag > 1) {
/*
* Include the link-layer header.
*/
ascii_print(ndo, sp, h->caplen);
} else {
/*
* Don't include the link-layer header - and if
* we have nothing past the link-layer header,
* print nothing.
*/
if (h->caplen > hdrlen)
ascii_print(ndo, sp + hdrlen, h->caplen - hdrlen);
}
}
}
static const u_char *
zmtp1_print_frame(const u_char *cp, const u_char *ep) {
u_int64_t body_len_declared, body_len_captured, header_len;
u_int8_t flags;
printf("\n\t");
TCHECK2(*cp, 1); /* length/0xFF */
if (cp[0] != 0xFF) {
header_len = 1; /* length */
body_len_declared = cp[0];
if (body_len_declared == 0)
return cp + header_len; /* skip to next frame */
printf(" frame flags+body (8-bit) length %"PRIu8"", cp[0]);
TCHECK2(*cp, header_len + 1); /* length, flags */
flags = cp[1];
} else {
header_len = 1 + 8; /* 0xFF, length */
printf(" frame flags+body (64-bit) length");
TCHECK2(*cp, header_len); /* 0xFF, length */
body_len_declared = EXTRACT_64BITS(cp + 1);
if (body_len_declared == 0)
return cp + header_len; /* skip to next frame */
printf(" %"PRIu64"", body_len_declared);
TCHECK2(*cp, header_len + 1); /* 0xFF, length, flags */
flags = cp[9];
}
body_len_captured = ep - cp - header_len;
if (body_len_declared > body_len_captured)
printf(" (%"PRIu64" captured)", body_len_captured);
printf(", flags 0x%02"PRIx8"", flags);
if (vflag) {
u_int64_t body_len_printed = MIN(body_len_captured, body_len_declared);
printf(" (%s|%s|%s|%s|%s|%s|%s|%s)",
flags & 0x80 ? "MBZ" : "-",
flags & 0x40 ? "MBZ" : "-",
flags & 0x20 ? "MBZ" : "-",
flags & 0x10 ? "MBZ" : "-",
flags & 0x08 ? "MBZ" : "-",
flags & 0x04 ? "MBZ" : "-",
flags & 0x02 ? "MBZ" : "-",
flags & 0x01 ? "MORE" : "-");
if (vflag == 1)
body_len_printed = MIN(VBYTES + 1, body_len_printed);
if (body_len_printed > 1) {
printf(", first %"PRIu64" byte(s) of body:", body_len_printed - 1);
hex_and_ascii_print("\n\t ", cp + header_len + 1, body_len_printed - 1);
printf("\n");
}
}
TCHECK2(*cp, header_len + body_len_declared); /* Next frame within the buffer ? */
return cp + header_len + body_len_declared;
trunc:
printf(" [|zmtp1]");
return ep;
}
