本文整理汇总了C++中ND_TCHECK2函数的典型用法代码示例。如果您正苦于以下问题：C++ ND_TCHECK2函数的具体用法？C++ ND_TCHECK2怎么用？C++ ND_TCHECK2使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了ND_TCHECK2函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: print_neighbors2
static int
print_neighbors2(netdissect_options *ndo,
register const u_char *bp, register const u_char *ep,
register u_int len)
{
const u_char *laddr;
register u_char metric, thresh, flags;
register int ncount;
ND_PRINT((ndo, " (v %d.%d):",
(int)target_level & 0xff,
(int)(target_level >> 8) & 0xff));
while (len > 0 && bp < ep) {
ND_TCHECK2(bp[0], 8);
laddr = bp;
bp += 4;
metric = *bp++;
thresh = *bp++;
flags = *bp++;
ncount = *bp++;
len -= 8;
while (--ncount >= 0 && (len >= 4) && (bp + 4) <= ep) {
ND_PRINT((ndo, " [%s -> ", ipaddr_string(ndo, laddr)));
ND_PRINT((ndo, "%s (%d/%d", ipaddr_string(ndo, bp),
metric, thresh));
if (flags & DVMRP_NF_TUNNEL)
ND_PRINT((ndo, "/tunnel"));
if (flags & DVMRP_NF_SRCRT)
ND_PRINT((ndo, "/srcrt"));
if (flags & DVMRP_NF_QUERIER)
ND_PRINT((ndo, "/querier"));
if (flags & DVMRP_NF_DISABLED)
ND_PRINT((ndo, "/disabled"));
if (flags & DVMRP_NF_DOWN)
ND_PRINT((ndo, "/down"));
ND_PRINT((ndo, ")]"));
bp += 4;
len -= 4;
}
if (ncount != -1) {
ND_PRINT((ndo, " [|]"));
return (0);
}
}
return (0);
trunc:
return (-1);
}
开发者ID:0-kaladin，项目名称:ad-away，代码行数:49，代码来源:print-dvmrp.c
示例2: ospf6_print_lsaprefix
static int
ospf6_print_lsaprefix(netdissect_options *ndo,
const uint8_t *tptr, u_int lsa_length)
{
const struct lsa6_prefix *lsapp = (const struct lsa6_prefix *)tptr;
u_int wordlen;
struct in6_addr prefix;
if (lsa_length < sizeof (*lsapp) - IPV6_ADDR_LEN_BYTES)
goto trunc;
lsa_length -= sizeof (*lsapp) - IPV6_ADDR_LEN_BYTES;
ND_TCHECK2(*lsapp, sizeof (*lsapp) - IPV6_ADDR_LEN_BYTES);
wordlen = (lsapp->lsa_p_len + 31) / 32;
if (wordlen * 4 > sizeof(struct in6_addr)) {
ND_PRINT((ndo, " bogus prefixlen /%d", lsapp->lsa_p_len));
goto trunc;
}
if (lsa_length < wordlen * 4)
goto trunc;
lsa_length -= wordlen * 4;
ND_TCHECK2(lsapp->lsa_p_prefix, wordlen * 4);
memset(&prefix, 0, sizeof(prefix));
memcpy(&prefix, lsapp->lsa_p_prefix, wordlen * 4);
ND_PRINT((ndo, "\n\t\t%s/%d", ip6addr_string(ndo, &prefix),
lsapp->lsa_p_len));
if (lsapp->lsa_p_opt) {
ND_PRINT((ndo, ", Options [%s]",
bittok2str(ospf6_lsa_prefix_option_values,
"none", lsapp->lsa_p_opt)));
}
ND_PRINT((ndo, ", metric %u", EXTRACT_16BITS(&lsapp->lsa_p_metric)));
return sizeof(*lsapp) - IPV6_ADDR_LEN_BYTES + wordlen * 4;
trunc:
return -1;
}
开发者ID:EliseuTorres，项目名称:tcpdump，代码行数:36，代码来源:print-ospf6.c
示例3: m3ua_tags_print
/*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Parameter Tag | Parameter Length |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* \ \
* / Parameter Value /
* \ \
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
static void
m3ua_tags_print(netdissect_options *ndo,
const u_char *buf, const u_int size)
{
const u_char *p = buf;
int align;
uint16_t hdr_tag;
uint16_t hdr_len;
while (p < buf + size) {
if (p + sizeof(struct m3ua_param_header) > buf + size)
goto corrupt;
ND_TCHECK2(*p, sizeof(struct m3ua_param_header));
/* Parameter Tag */
hdr_tag = EXTRACT_16BITS(p);
ND_PRINT((ndo, "\n\t\t\t%s: ", tok2str(ParamName, "Unknown Parameter (0x%04x)", hdr_tag)));
/* Parameter Length */
hdr_len = EXTRACT_16BITS(p + 2);
if (hdr_len < sizeof(struct m3ua_param_header))
goto corrupt;
/* Parameter Value */
align = (p + hdr_len - buf) % 4;
align = align ? 4 - align : 0;
ND_TCHECK2(*p, hdr_len + align);
tag_value_print(ndo, p, hdr_tag, hdr_len - sizeof(struct m3ua_param_header));
p += hdr_len + align;
}
return;
corrupt:
ND_PRINT((ndo, "%s", cstr));
ND_TCHECK2(*buf, size);
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
开发者ID:0-kaladin，项目名称:ad-away，代码行数:47，代码来源:print-m3ua.c
示例4: aoev1_print
/* cp points to the Ver/Flags octet */
static void
aoev1_print(netdissect_options *ndo,
const u_char *cp, const u_int len)
{
const u_char *ep = cp + len;
uint8_t flags, command;
void (*cmd_decoder)(netdissect_options *, const u_char *, const u_int);
if (len < AOEV1_COMMON_HDR_LEN)
goto invalid;
/* Flags */
flags = *cp & 0x0F;
ND_PRINT((ndo, ", Flags: [%s]", bittok2str(aoev1_flag_str, "none", flags)));
cp += 1;
if (! ndo->ndo_vflag)
return;
/* Error */
ND_TCHECK2(*cp, 1);
if (flags & AOEV1_FLAG_E)
ND_PRINT((ndo, "\n\tError: %s", tok2str(aoev1_errcode_str, "Invalid (%u)", *cp)));
cp += 1;
/* Major */
ND_TCHECK2(*cp, 2);
ND_PRINT((ndo, "\n\tMajor: 0x%04x", EXTRACT_16BITS(cp)));
cp += 2;
/* Minor */
ND_TCHECK2(*cp, 1);
ND_PRINT((ndo, ", Minor: 0x%02x", *cp));
cp += 1;
/* Command */
ND_TCHECK2(*cp, 1);
command = *cp;
cp += 1;
ND_PRINT((ndo, ", Command: %s", tok2str(cmdcode_str, "Unknown (0x%02x)", command)));
/* Tag */
ND_TCHECK2(*cp, 4);
ND_PRINT((ndo, ", Tag: 0x%08x", EXTRACT_32BITS(cp)));
cp += 4;
/* Arg */
cmd_decoder =
command == AOEV1_CMD_ISSUE_ATA_COMMAND ? aoev1_issue_print :
command == AOEV1_CMD_QUERY_CONFIG_INFORMATION ? aoev1_query_print :
command == AOEV1_CMD_MAC_MASK_LIST ? aoev1_mac_print :
command == AOEV1_CMD_RESERVE_RELEASE ? aoev1_reserve_print :
NULL;
if (cmd_decoder != NULL)
cmd_decoder(ndo, cp, len - AOEV1_COMMON_HDR_LEN);
return;
invalid:
ND_PRINT((ndo, "%s", istr));
ND_TCHECK2(*cp, ep - cp);
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
开发者ID:jaredmcneill，项目名称:netbsd-src，代码行数:57，代码来源:print-aoe.c
示例5: loopback_message_print
static void
loopback_message_print(netdissect_options *ndo, const u_char *cp, const u_int len)
{
const u_char *ep = cp + len;
uint16_t function;
if (len < 2)
goto corrupt;
/* function */
ND_TCHECK2(*cp, 2);
function = EXTRACT_LE_16BITS(cp);
cp += 2;
ND_PRINT((ndo, ", %s", tok2str(fcode_str, " invalid (%u)", function)));
switch (function) {
case LOOPBACK_REPLY:
if (len < 4)
goto corrupt;
/* receipt number */
ND_TCHECK2(*cp, 2);
ND_PRINT((ndo, ", receipt number %u", EXTRACT_LE_16BITS(cp)));
cp += 2;
/* data */
ND_PRINT((ndo, ", data (%u octets)", len - 4));
ND_TCHECK2(*cp, len - 4);
break;
case LOOPBACK_FWDDATA:
if (len < 8)
goto corrupt;
/* forwarding address */
ND_TCHECK2(*cp, ETHER_ADDR_LEN);
ND_PRINT((ndo, ", forwarding address %s", etheraddr_string(cp)));
cp += ETHER_ADDR_LEN;
/* data */
ND_PRINT((ndo, ", data (%u octets)", len - 8));
ND_TCHECK2(*cp, len - 8);
break;
default:
ND_TCHECK2(*cp, len - 2);
break;
}
return;
corrupt:
ND_PRINT((ndo, "%s", cstr));
ND_TCHECK2(*cp, ep - cp);
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
开发者ID:ecbtnrt，项目名称:tcpdump，代码行数:50，代码来源:print-loopback.c
示例6: radius_print
void
radius_print(netdissect_options *ndo,
const u_char *dat, u_int length)
{
register const struct radius_hdr *rad;
u_int len, auth_idx;
ND_TCHECK2(*dat, MIN_RADIUS_LEN);
rad = (struct radius_hdr *)dat;
len = EXTRACT_16BITS(&rad->len);
if (len < MIN_RADIUS_LEN)
{
ND_PRINT((ndo, "%s", tstr));
return;
}
if (len > length)
len = length;
if (ndo->ndo_vflag < 1) {
ND_PRINT((ndo, "RADIUS, %s (%u), id: 0x%02x length: %u",
tok2str(radius_command_values,"Unknown Command",rad->code),
rad->code,
rad->id,
len));
return;
}
else {
ND_PRINT((ndo, "RADIUS, length: %u\n\t%s (%u), id: 0x%02x, Authenticator: ",
len,
tok2str(radius_command_values,"Unknown Command",rad->code),
rad->code,
rad->id));
for(auth_idx=0; auth_idx < 16; auth_idx++)
ND_PRINT((ndo, "%02x", rad->auth[auth_idx]));
}
if (len > MIN_RADIUS_LEN)
radius_attrs_print(ndo, dat + MIN_RADIUS_LEN, len - MIN_RADIUS_LEN);
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
开发者ID:0-kaladin，项目名称:ad-away，代码行数:46，代码来源:print-radius.c
示例7: aoev1_query_print
static void
aoev1_query_print(netdissect_options *ndo,
const u_char *cp, const u_int len)
{
const u_char *ep = cp + len;
uint16_t cslen;
if (len < AOEV1_QUERY_ARG_LEN)
goto invalid;
/* Buffer Count */
ND_TCHECK2(*cp, 2);
ND_PRINT((ndo, "\n\tBuffer Count: %u", EXTRACT_16BITS(cp)));
cp += 2;
/* Firmware Version */
ND_TCHECK2(*cp, 2);
ND_PRINT((ndo, ", Firmware Version: %u", EXTRACT_16BITS(cp)));
cp += 2;
/* Sector Count */
ND_TCHECK2(*cp, 1);
ND_PRINT((ndo, ", Sector Count: %u", *cp));
cp += 1;
/* AoE/CCmd */
ND_TCHECK2(*cp, 1);
ND_PRINT((ndo, ", AoE: %u, CCmd: %s", (*cp & 0xF0) >> 4,
tok2str(aoev1_ccmd_str, "Unknown (0x02x)", *cp & 0x0F)));
cp += 1;
/* Config String Length */
ND_TCHECK2(*cp, 2);
cslen = EXTRACT_16BITS(cp);
cp += 2;
if (cslen > AOEV1_MAX_CONFSTR_LEN || AOEV1_QUERY_ARG_LEN + cslen > len)
goto invalid;
/* Config String */
ND_TCHECK2(*cp, cslen);
if (cslen) {
ND_PRINT((ndo, "\n\tConfig String (length %u): ", cslen));
if (fn_printn(ndo, cp, cslen, ndo->ndo_snapend))
goto trunc;
}
return;
invalid:
ND_PRINT((ndo, "%s", istr));
ND_TCHECK2(*cp, ep - cp);
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
开发者ID:jaredmcneill，项目名称:netbsd-src，代码行数:48，代码来源:print-aoe.c
示例8: of_header_body_print
/* Print a single OpenFlow message. */
static const u_char *
of_header_body_print(netdissect_options *ndo, const u_char *cp, const u_char *ep)
{
uint8_t version, type;
uint16_t length;
uint32_t xid;
if (ep < cp + OF_HEADER_LEN)
goto invalid;
/* version */
ND_TCHECK2(*cp, 1);
version = *cp;
cp += 1;
/* type */
ND_TCHECK2(*cp, 1);
type = *cp;
cp += 1;
/* length */
ND_TCHECK2(*cp, 2);
length = EXTRACT_16BITS(cp);
cp += 2;
/* xid */
ND_TCHECK2(*cp, 4);
xid = EXTRACT_32BITS(cp);
cp += 4;
/* Message length includes the header length and a message always includes
* the basic header. A message length underrun fails decoding of the rest of
* the current packet. At the same time, try decoding as much of the current
* message as possible even when it does not end within the current TCP
* segment. */
if (length < OF_HEADER_LEN) {
of_header_print(ndo, version, type, length, xid);
goto invalid;
}
/* Decode known protocol versions further without printing the header (the
* type decoding is version-specific. */
switch (version) {
case OF_VER_1_0:
return of10_header_body_print(ndo, cp, ep, type, length, xid);
default:
of_header_print(ndo, version, type, length, xid);
ND_TCHECK2(*cp, length - OF_HEADER_LEN);
return cp + length - OF_HEADER_LEN; /* done with current message */
}
invalid: /* fail current packet */
ND_PRINT((ndo, "%s", istr));
ND_TCHECK2(*cp, ep - cp);
return ep;
trunc:
ND_PRINT((ndo, "%s", tstr));
return ep;
}
开发者ID:Distrotech，项目名称:tcpdump，代码行数:54，代码来源:print-openflow.c
示例9: parse_pre_op_attr
/*
* Pre operation attributes. Print only if vflag > 1.
*/
static const uint32_t *
parse_pre_op_attr(netdissect_options *ndo,
const uint32_t *dp, int verbose)
{
ND_TCHECK(dp[0]);
if (!EXTRACT_32BITS(&dp[0]))
return (dp + 1);
dp++;
ND_TCHECK2(*dp, 24);
if (verbose > 1) {
return parse_wcc_attr(ndo, dp);
} else {
/* If not verbose enough, just skip over wcc_attr */
return (dp + 6);
}
trunc:
return (NULL);
}
开发者ID:Longinus00，项目名称:tcpdump，代码行数:21，代码来源:print-nfs.c
示例10: hbhopt_print
int
hbhopt_print(netdissect_options *ndo, register const u_char *bp)
{
const struct ip6_hbh *dp = (const struct ip6_hbh *)bp;
int hbhlen = 0;
ND_TCHECK(dp->ip6h_len);
hbhlen = (int)((dp->ip6h_len + 1) << 3);
ND_TCHECK2(*dp, hbhlen);
ND_PRINT((ndo, "HBH "));
if (ndo->ndo_vflag)
ip6_opt_print(ndo, (const u_char *)dp + sizeof(*dp), hbhlen - sizeof(*dp));
return(hbhlen);
trunc:
ND_PRINT((ndo, "[|HBH]"));
return(-1);
}
开发者ID:RTEMS，项目名称:rtems-libbsd，代码行数:19，代码来源:print-ip6opts.c
示例11: ospf6_decode_at
/* RFC6506 Section 4.1 */
static int
ospf6_decode_at(netdissect_options *ndo,
const u_char *cp, const u_int len)
{
uint16_t authdatalen;
if (len == 0)
return 0;
if (len < OSPF6_AT_HDRLEN)
goto trunc;
/* Authentication Type */
ND_TCHECK2(*cp, 2);
ND_PRINT((ndo, "\n\tAuthentication Type %s", tok2str(ospf6_auth_type_str, "unknown (0x%04x)", EXTRACT_16BITS(cp))));
cp += 2;
/* Auth Data Len */
ND_TCHECK2(*cp, 2);
authdatalen = EXTRACT_16BITS(cp);
ND_PRINT((ndo, ", Length %u", authdatalen));
if (authdatalen < OSPF6_AT_HDRLEN || authdatalen > len)
goto trunc;
cp += 2;
/* Reserved */
ND_TCHECK2(*cp, 2);
cp += 2;
/* Security Association ID */
ND_TCHECK2(*cp, 2);
ND_PRINT((ndo, ", SAID %u", EXTRACT_16BITS(cp)));
cp += 2;
/* Cryptographic Sequence Number (High-Order 32 Bits) */
ND_TCHECK2(*cp, 4);
ND_PRINT((ndo, ", CSN 0x%08x", EXTRACT_32BITS(cp)));
cp += 4;
/* Cryptographic Sequence Number (Low-Order 32 Bits) */
ND_TCHECK2(*cp, 4);
ND_PRINT((ndo, ":%08x", EXTRACT_32BITS(cp)));
cp += 4;
/* Authentication Data */
ND_TCHECK2(*cp, authdatalen - OSPF6_AT_HDRLEN);
if (ndo->ndo_vflag > 1)
print_unknown_data(ndo,cp, "\n\tAuthentication Data ", authdatalen - OSPF6_AT_HDRLEN);
return 0;
trunc:
return 1;
}
开发者ID:EliseuTorres，项目名称:tcpdump，代码行数:46，代码来源:print-ospf6.c
示例12: zmtp1_print_intermediate_part
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;
}
开发者ID:GumpChan，项目名称:tcpdump，代码行数:41，代码来源:print-zeromq.c
示例13: dstopt_print
int
dstopt_print(netdissect_options *ndo, register const u_char *bp)
{
const struct ip6_dest *dp = (const struct ip6_dest *)bp;
int dstoptlen = 0;
ND_TCHECK(dp->ip6d_len);
dstoptlen = (int)((dp->ip6d_len + 1) << 3);
ND_TCHECK2(*dp, dstoptlen);
ND_PRINT((ndo, "DSTOPT "));
if (ndo->ndo_vflag) {
ip6_opt_print(ndo, (const u_char *)dp + sizeof(*dp),
dstoptlen - sizeof(*dp));
}
return(dstoptlen);
trunc:
ND_PRINT((ndo, "[|DSTOPT]"));
return(-1);
}
开发者ID:RTEMS，项目名称:rtems-libbsd，代码行数:21，代码来源:print-ip6opts.c
示例14: m3ua_print
/*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Version | Reserved | Message Class | Message Type |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Message Length |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* \ \
* / /
*/
void
m3ua_print(netdissect_options *ndo,
const u_char *buf, const u_int size)
{
const struct m3ua_common_header *hdr = (const struct m3ua_common_header *) buf;
const struct tok *dict;
/* size includes the header */
if (size < sizeof(struct m3ua_common_header))
goto corrupt;
ND_TCHECK(*hdr);
if (hdr->v != M3UA_REL_1_0)
return;
dict =
hdr->msg_class == M3UA_MSGC_MGMT ? MgmtMessages :
hdr->msg_class == M3UA_MSGC_TRANSFER ? TransferMessages :
hdr->msg_class == M3UA_MSGC_SSNM ? SS7Messages :
hdr->msg_class == M3UA_MSGC_ASPSM ? ASPStateMessages :
hdr->msg_class == M3UA_MSGC_ASPTM ? ASPTrafficMessages :
hdr->msg_class == M3UA_MSGC_RKM ? RoutingKeyMgmtMessages :
NULL;
ND_PRINT((ndo, "\n\t\t%s", tok2str(MessageClasses, "Unknown message class %i", hdr->msg_class)));
if (dict != NULL)
ND_PRINT((ndo, " %s Message", tok2str(dict, "Unknown (0x%02x)", hdr->msg_type)));
if (size != EXTRACT_32BITS(&hdr->len))
ND_PRINT((ndo, "\n\t\t\[email protected]@@@@@ Corrupted length %u of message @@@@@@", EXTRACT_32BITS(&hdr->len)));
else
m3ua_tags_print(ndo, buf + sizeof(struct m3ua_common_header), EXTRACT_32BITS(&hdr->len) - sizeof(struct m3ua_common_header));
return;
corrupt:
ND_PRINT((ndo, "%s", cstr));
ND_TCHECK2(*buf, size);
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
开发者ID:0-kaladin，项目名称:ad-away，代码行数:51，代码来源:print-m3ua.c
示例15: lwres_printaddr
static int
lwres_printaddr(netdissect_options *ndo,
lwres_addr_t *ap)
{
uint16_t l;
const char *p;
int i;
ND_TCHECK(ap->length);
l = EXTRACT_16BITS(&ap->length);
/* XXX ap points to packed struct */
p = (const char *)&ap->length + sizeof(ap->length);
ND_TCHECK2(*p, l);
switch (EXTRACT_32BITS(&ap->family)) {
case 1: /* IPv4 */
if (l < 4)
return -1;
ND_PRINT((ndo, " %s", ipaddr_string(ndo, p)));
p += sizeof(struct in_addr);
break;
#ifdef INET6
case 2: /* IPv6 */
if (l < 16)
return -1;
ND_PRINT((ndo, " %s", ip6addr_string(ndo, p)));
p += sizeof(struct in6_addr);
break;
#endif
default:
ND_PRINT((ndo, " %u/", EXTRACT_32BITS(&ap->family)));
for (i = 0; i < l; i++)
ND_PRINT((ndo, "%02x", *p++));
}
return p - (const char *)ap;
trunc:
return -1;
}
开发者ID:Stichting-MINIX-Research-Foundation，项目名称:minix，代码行数:40，代码来源:print-lwres.c
示例16: parsefn
/*
* Print out a file name and return pointer to 32-bit word past it.
* If packet was truncated, return 0.
*/
static const uint32_t *
parsefn(netdissect_options *ndo,
register const uint32_t *dp)
{
register uint32_t len;
register const u_char *cp;
/* Bail if we don't have the string length */
ND_TCHECK(*dp);
/* Fetch string length; convert to host order */
len = *dp++;
NTOHL(len);
#ifndef CHERI_TCPDUMP_VULNERABILITY
ND_TCHECK2(*dp, ((len + 3) & ~3));
#endif
cp = (u_char *)dp;
/* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
dp += ((len + 3) & ~3) / sizeof(*dp);
ND_PRINT((ndo, "\""));
#ifdef CHERI_TCPDUMP_VULNERABILITY
(void) fn_printn(ndo, cp, len, NULL);
#else
if (fn_printn(ndo, cp, len, ndo->ndo_snapend)) {
ND_PRINT((ndo, "\""));
goto trunc;
}
#endif
ND_PRINT((ndo, "\""));
return (dp);
trunc:
return NULL;
}
开发者ID:RichardsonAlex，项目名称:cheribsd，代码行数:40，代码来源:print-nfs.c
示例17: vqp_print
void
vqp_print(netdissect_options *ndo, register const u_char *pptr, register u_int len)
{
const struct vqp_common_header_t *vqp_common_header;
const struct vqp_obj_tlv_t *vqp_obj_tlv;
const u_char *tptr;
uint16_t vqp_obj_len;
uint32_t vqp_obj_type;
u_int tlen;
uint8_t nitems;
tptr=pptr;
tlen = len;
vqp_common_header = (const struct vqp_common_header_t *)pptr;
ND_TCHECK(*vqp_common_header);
if (sizeof(struct vqp_common_header_t) > tlen)
goto trunc;
/*
* Sanity checking of the header.
*/
if (VQP_EXTRACT_VERSION(vqp_common_header->version) != VQP_VERSION) {
ND_PRINT((ndo, "VQP version %u packet not supported",
VQP_EXTRACT_VERSION(vqp_common_header->version)));
return;
}
/* in non-verbose mode just lets print the basic Message Type */
if (ndo->ndo_vflag < 1) {
ND_PRINT((ndo, "VQPv%u %s Message, error-code %s (%u), length %u",
VQP_EXTRACT_VERSION(vqp_common_header->version),
tok2str(vqp_msg_type_values, "unknown (%u)",vqp_common_header->msg_type),
tok2str(vqp_error_code_values, "unknown (%u)",vqp_common_header->error_code),
vqp_common_header->error_code,
len));
return;
}
/* ok they seem to want to know everything - lets fully decode it */
nitems = vqp_common_header->nitems;
ND_PRINT((ndo, "\n\tVQPv%u, %s Message, error-code %s (%u), seq 0x%08x, items %u, length %u",
VQP_EXTRACT_VERSION(vqp_common_header->version),
tok2str(vqp_msg_type_values, "unknown (%u)",vqp_common_header->msg_type),
tok2str(vqp_error_code_values, "unknown (%u)",vqp_common_header->error_code),
vqp_common_header->error_code,
EXTRACT_32BITS(&vqp_common_header->sequence),
nitems,
len));
/* skip VQP Common header */
tptr+=sizeof(const struct vqp_common_header_t);
tlen-=sizeof(const struct vqp_common_header_t);
while (nitems > 0 && tlen > 0) {
vqp_obj_tlv = (const struct vqp_obj_tlv_t *)tptr;
ND_TCHECK(*vqp_obj_tlv);
if (sizeof(struct vqp_obj_tlv_t) > tlen)
goto trunc;
vqp_obj_type = EXTRACT_32BITS(vqp_obj_tlv->obj_type);
vqp_obj_len = EXTRACT_16BITS(vqp_obj_tlv->obj_length);
tptr+=sizeof(struct vqp_obj_tlv_t);
tlen-=sizeof(struct vqp_obj_tlv_t);
ND_PRINT((ndo, "\n\t %s Object (0x%08x), length %u, value: ",
tok2str(vqp_obj_values, "Unknown", vqp_obj_type),
vqp_obj_type, vqp_obj_len));
/* basic sanity check */
if (vqp_obj_type == 0 || vqp_obj_len ==0) {
return;
}
/* did we capture enough for fully decoding the object ? */
ND_TCHECK2(*tptr, vqp_obj_len);
if (vqp_obj_len > tlen)
goto trunc;
switch(vqp_obj_type) {
case VQP_OBJ_IP_ADDRESS:
if (vqp_obj_len != 4)
goto trunc;
ND_PRINT((ndo, "%s (0x%08x)", ipaddr_string(ndo, tptr), EXTRACT_32BITS(tptr)));
break;
/* those objects have similar semantics - fall through */
case VQP_OBJ_PORT_NAME:
case VQP_OBJ_VLAN_NAME:
case VQP_OBJ_VTP_DOMAIN:
case VQP_OBJ_ETHERNET_PKT:
safeputs(ndo, tptr, vqp_obj_len);
break;
/* those objects have similar semantics - fall through */
case VQP_OBJ_MAC_ADDRESS:
case VQP_OBJ_MAC_NULL:
if (vqp_obj_len != ETHER_ADDR_LEN)
goto trunc;
ND_PRINT((ndo, "%s", etheraddr_string(ndo, tptr)));
break;
default:
//.........这里部分代码省略.........
开发者ID:RTEMS，项目名称:rtems-libbsd，代码行数:101，代码来源:print-vqp.c
示例18: eigrp_print
void
eigrp_print(netdissect_options *ndo, register const u_char *pptr, register u_int len) {
const struct eigrp_common_header *eigrp_com_header;
const struct eigrp_tlv_header *eigrp_tlv_header;
const u_char *tptr,*tlv_tptr;
u_int tlen,eigrp_tlv_len,eigrp_tlv_type,tlv_tlen, byte_length, bit_length;
uint8_t prefix[4];
union {
const struct eigrp_tlv_general_parm_t *eigrp_tlv_general_parm;
const struct eigrp_tlv_sw_version_t *eigrp_tlv_sw_version;
const struct eigrp_tlv_ip_int_t *eigrp_tlv_ip_int;
const struct eigrp_tlv_ip_ext_t *eigrp_tlv_ip_ext;
const struct eigrp_tlv_at_cable_setup_t *eigrp_tlv_at_cable_setup;
const struct eigrp_tlv_at_int_t *eigrp_tlv_at_int;
const struct eigrp_tlv_at_ext_t *eigrp_tlv_at_ext;
} tlv_ptr;
tptr=pptr;
eigrp_com_header = (const struct eigrp_common_header *)pptr;
ND_TCHECK(*eigrp_com_header);
/*
* Sanity checking of the header.
*/
if (eigrp_com_header->version != EIGRP_VERSION) {
ND_PRINT((ndo, "EIGRP version %u packet not supported",eigrp_com_header->version));
return;
}
/* in non-verbose mode just lets print the basic Message Type*/
if (ndo->ndo_vflag < 1) {
ND_PRINT((ndo, "EIGRP %s, length: %u",
tok2str(eigrp_opcode_values, "unknown (%u)",eigrp_com_header->opcode),
len));
return;
}
/* ok they seem to want to know everything - lets fully decode it */
tlen=len-sizeof(struct eigrp_common_header);
/* FIXME print other header info */
ND_PRINT((ndo, "\n\tEIGRP v%u, opcode: %s (%u), chksum: 0x%04x, Flags: [%s]\n\tseq: 0x%08x, ack: 0x%08x, AS: %u, length: %u",
eigrp_com_header->version,
tok2str(eigrp_opcode_values, "unknown, type: %u",eigrp_com_header->opcode),
eigrp_com_header->opcode,
EXTRACT_16BITS(&eigrp_com_header->checksum),
tok2str(eigrp_common_header_flag_values,
"none",
EXTRACT_32BITS(&eigrp_com_header->flags)),
EXTRACT_32BITS(&eigrp_com_header->seq),
EXTRACT_32BITS(&eigrp_com_header->ack),
EXTRACT_32BITS(&eigrp_com_header->asn),
tlen));
tptr+=sizeof(const struct eigrp_common_header);
while(tlen>0) {
/* did we capture enough for fully decoding the object header ? */
ND_TCHECK2(*tptr, sizeof(struct eigrp_tlv_header));
eigrp_tlv_header = (const struct eigrp_tlv_header *)tptr;
eigrp_tlv_len=EXTRACT_16BITS(&eigrp_tlv_header->length);
eigrp_tlv_type=EXTRACT_16BITS(&eigrp_tlv_header->type);
if (eigrp_tlv_len < sizeof(struct eigrp_tlv_header) ||
eigrp_tlv_len > tlen) {
print_unknown_data(ndo,tptr+sizeof(struct eigrp_tlv_header),"\n\t ",tlen);
return;
}
ND_PRINT((ndo, "\n\t %s TLV (0x%04x), length: %u",
tok2str(eigrp_tlv_values,
"Unknown",
eigrp_tlv_type),
eigrp_tlv_type,
eigrp_tlv_len));
tlv_tptr=tptr+sizeof(struct eigrp_tlv_header);
tlv_tlen=eigrp_tlv_len-sizeof(struct eigrp_tlv_header);
/* did we capture enough for fully decoding the object ? */
ND_TCHECK2(*tptr, eigrp_tlv_len);
switch(eigrp_tlv_type) {
case EIGRP_TLV_GENERAL_PARM:
tlv_ptr.eigrp_tlv_general_parm = (const struct eigrp_tlv_general_parm_t *)tlv_tptr;
ND_PRINT((ndo, "\n\t holdtime: %us, k1 %u, k2 %u, k3 %u, k4 %u, k5 %u",
EXTRACT_16BITS(tlv_ptr.eigrp_tlv_general_parm->holdtime),
tlv_ptr.eigrp_tlv_general_parm->k1,
tlv_ptr.eigrp_tlv_general_parm->k2,
tlv_ptr.eigrp_tlv_general_parm->k3,
tlv_ptr.eigrp_tlv_general_parm->k4,
tlv_ptr.eigrp_tlv_general_parm->k5));
break;
//.........这里部分代码省略.........
开发者ID:Danielweber7624，项目名称:tcpdump，代码行数:101，代码来源:print-eigrp.c
示例19: cdp_print
void
cdp_print(netdissect_options *ndo,
const u_char *pptr, u_int length, u_int caplen)
{
int type, len, i, j;
const u_char *tptr;
if (caplen < CDP_HEADER_LEN) {
ND_PRINT((ndo, "%s", tstr));
return;
}
tptr = pptr; /* temporary pointer */
ND_TCHECK2(*tptr, CDP_HEADER_LEN);
ND_PRINT((ndo, "CDPv%u, ttl: %us", *(tptr + CDP_HEADER_VERSION_OFFSET),
*(tptr + CDP_HEADER_TTL_OFFSET)));
if (ndo->ndo_vflag)
ND_PRINT((ndo, ", checksum: 0x%04x (unverified), length %u", EXTRACT_16BITS(tptr+CDP_HEADER_CHECKSUM_OFFSET), length));
tptr += CDP_HEADER_LEN;
while (tptr < (pptr+length)) {
ND_TCHECK2(*tptr, CDP_TLV_HEADER_LEN); /* read out Type and Length */
type = EXTRACT_16BITS(tptr+CDP_TLV_TYPE_OFFSET);
len = EXTRACT_16BITS(tptr+CDP_TLV_LEN_OFFSET); /* object length includes the 4 bytes header length */
if (len < CDP_TLV_HEADER_LEN) {
if (ndo->ndo_vflag)
ND_PRINT((ndo, "\n\t%s (0x%02x), TLV length: %u byte%s (too short)",
tok2str(cdp_tlv_values,"unknown field type", type),
type,
len,
PLURAL_SUFFIX(len))); /* plural */
else
ND_PRINT((ndo, ", %s TLV length %u too short",
tok2str(cdp_tlv_values,"unknown field type", type),
len));
break;
}
tptr += CDP_TLV_HEADER_LEN;
len -= CDP_TLV_HEADER_LEN;
ND_TCHECK2(*tptr, len);
if (ndo->ndo_vflag || type == 1) { /* in non-verbose mode just print Device-ID */
if (ndo->ndo_vflag)
ND_PRINT((ndo, "\n\t%s (0x%02x), value length: %u byte%s: ",
tok2str(cdp_tlv_values,"unknown field type", type),
type,
len,
PLURAL_SUFFIX(len))); /* plural */
switch (type) {
case 0x01: /* Device-ID */
if (!ndo->ndo_vflag)
ND_PRINT((ndo, ", Device-ID "));
ND_PRINT((ndo, "'"));
(void)fn_printn(ndo, tptr, len, NULL);
ND_PRINT((ndo, "'"));
break;
case 0x02: /* Address */
if (cdp_print_addr(ndo, tptr, len) < 0)
goto trunc;
break;
case 0x03: /* Port-ID */
ND_PRINT((ndo, "'"));
(void)fn_printn(ndo, tptr, len, NULL);
ND_PRINT((ndo, "'"));
break;
case 0x04: /* Capabilities */
if (len < 4)
goto trunc;
ND_PRINT((ndo, "(0x%08x): %s",
EXTRACT_32BITS(tptr),
bittok2str(cdp_capability_values, "none", EXTRACT_32BITS(tptr))));
break;
case 0x05: /* Version */
ND_PRINT((ndo, "\n\t "));
for (i=0;i<len;i++) {
j = *(tptr+i);
if (j == '\n') /* lets rework the version string to
get a nice indentation */
ND_PRINT((ndo, "\n\t "));
else
fn_print_char(ndo, j);
}
break;
case 0x06: /* Platform */
ND_PRINT((ndo, "'"));
(void)fn_printn(ndo, tptr, len, NULL);
ND_PRINT((ndo, "'"));
break;
case 0x07: /* Prefixes */
if (cdp_print_prefixes(ndo, tptr, len) < 0)
goto trunc;
break;
case 0x08: /* Protocol Hello Option - not documented */
break;
case 0x09: /* VTP Mgmt Domain - CDPv2 */
//.........这里部分代码省略.........
开发者ID:RTEMS，项目名称:rtems-libbsd，代码行数:101，代码来源:print-cdp.c
示例20: cdp_print_addr
static int
cdp_print_addr(netdissect_options *ndo,
const u_char * p, int l)
{
int pt, pl, al, num;
const u_char *endp = p + l;
static const u_char prot_ipv6[] = {
0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x86, 0xdd
};
ND_TCHECK2(*p, 4);
if (p + 4 > endp)
goto trunc;
num = EXTRACT_32BITS(p);
p += 4;
while (p < endp && num >= 0) {
ND_TCHECK2(*p, 2);
if (p + 2 > endp)
goto trunc;
pt = p[0]; /* type of "protocol" field */
pl = p[1]; /* length of "protocol" field */
p += 2;
ND_TCHECK2(p[pl], 2);
if (p + pl + 2 > endp)
goto trunc;
al = EXTRACT_16BITS(&p[pl]); /* address length */
if (pt == PT_NLPID && pl == 1 && *p == NLPID_IP && al == 4) {
/*
* IPv4: protocol type = NLPID, protocol length = 1
* (1-byte NLPID), protocol = 0xcc (NLPID for IPv4),
* address length = 4
*/
p += 3;
ND_TCHECK2(*p, 4);
if (p + 4 > endp)
goto trunc;
ND_PRINT((ndo, "IPv4 (%u) %s", num, ipaddr_string(ndo, p)));
p += 4;
}
else if (pt == PT_IEEE_802_2 && pl == 8 &&
memcmp(p, prot_ipv6, 8) == 0 && al == 16) {
/*
* IPv6: protocol type = IEEE 802.2 header,
* protocol length = 8 (size of LLC+SNAP header),
* protocol = LLC+SNAP header with the IPv6
* Ethertype, address length = 16
*/
p += 10;
ND_TCHECK2(*p, al);
if (p + al > endp)
goto trunc;
ND_PRINT((ndo, "IPv6 (%u) %s", num, ip6addr_string(ndo, p)));
p += al;
}
else {
/*
* Generic case: just print raw data
*/
ND_TCHECK2(*p, pl);
if (p + pl > endp)
goto trunc;
ND_PRINT((ndo, "pt=0x%02x, pl=%d, pb=", *(p - 2), pl));
while (pl-- > 0)
ND_PRINT((ndo, " %02x", *p++));
ND_TCHECK2(*p, 2);
if (p + 2 > endp)
goto trunc;
al = (*p << 8) + *(p + 1);
ND_PRINT((ndo, ", al=%d, a=", al));
p += 2;
ND_TCHECK2(*p, al);
if (p + al > endp)
goto trunc;
while (al-- > 0)
ND_PRINT((ndo, " %02x", *p++));
}
num--;
if (num)
ND_PRINT((ndo, " "));
}
return 0;
trunc:
return -1;
}
开发者ID:RTEMS，项目名称:rtems-libbsd，代码行数:91，代码来源:print-cdp.c
注：本文中的ND_TCHECK2函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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