#include "netdissect-stdinc.h"
-#include <stdio.h>
-#include <string.h>
-
#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
nd_uint48_t dccph_seq;
};
-#define DCCPH_CCVAL(dh) ((EXTRACT_U_1((dh)->dccph_ccval_cscov) >> 4) & 0xF)
-#define DCCPH_CSCOV(dh) (EXTRACT_U_1((dh)->dccph_ccval_cscov) & 0xF)
+#define DCCPH_CCVAL(dh) ((GET_U_1((dh)->dccph_ccval_cscov) >> 4) & 0xF)
+#define DCCPH_CSCOV(dh) (GET_U_1((dh)->dccph_ccval_cscov) & 0xF)
-#define DCCPH_X(dh) (EXTRACT_U_1((dh)->dccph_xtr) & 1)
-#define DCCPH_TYPE(dh) ((EXTRACT_U_1((dh)->dccph_xtr) >> 1) & 0xF)
+#define DCCPH_X(dh) (GET_U_1((dh)->dccph_xtr) & 1)
+#define DCCPH_TYPE(dh) ((GET_U_1((dh)->dccph_xtr) >> 1) & 0xF)
/**
* struct dccp_hdr_request - Connection initiation request header
static u_int
dccp_csum_coverage(netdissect_options *ndo,
- const struct dccp_hdr* dh, u_int len)
+ const struct dccp_hdr *dh, u_int len)
{
u_int cov;
if (DCCPH_CSCOV(dh) == 0)
return len;
- cov = (EXTRACT_U_1(dh->dccph_doff) + DCCPH_CSCOV(dh) - 1) * sizeof(uint32_t);
+ cov = (GET_U_1(dh->dccph_doff) + DCCPH_CSCOV(dh) - 1) * sizeof(uint32_t);
return (cov > len)? len : cov;
}
if (DCCPH_X(dh) != 0) {
const struct dccp_hdr_ext *dhx = (const struct dccp_hdr_ext *)bp;
- seqno = EXTRACT_BE_U_6(dhx->dccph_seq);
+ seqno = GET_BE_U_6(dhx->dccph_seq);
} else {
- seqno = EXTRACT_BE_U_3(dh->dccph_seq);
+ seqno = GET_BE_U_3(dh->dccph_seq);
}
return seqno;
uint64_t ackno;
if (DCCPH_X(dh) != 0) {
- ND_TCHECK_8(ackp);
- ackno = EXTRACT_BE_U_6(ackp + 2);
+ ackno = GET_BE_U_6(ackp + 2);
} else {
- ND_TCHECK_4(ackp);
- ackno = EXTRACT_BE_U_3(ackp + 1);
+ ackno = GET_BE_U_3(ackp + 1);
}
ND_PRINT("(ack=%" PRIu64 ") ", ackno);
-trunc:
- return;
}
static u_int dccp_print_option(netdissect_options *, const u_char *, u_int);
if (cp > ndo->ndo_snapend)
goto trunc;
if (len < sizeof(struct dccp_hdr)) {
- ND_PRINT("truncated-dccp - %u bytes missing!",
- (u_int)sizeof(struct dccp_hdr) - len);
+ ND_PRINT("truncated-dccp - %zu bytes missing!",
+ sizeof(struct dccp_hdr) - len);
return;
}
}
ND_TCHECK_LEN(dh, fixed_hdrlen);
- sport = EXTRACT_BE_U_2(dh->dccph_sport);
- dport = EXTRACT_BE_U_2(dh->dccph_dport);
- hlen = EXTRACT_U_1(dh->dccph_doff) * 4;
+ sport = GET_BE_U_2(dh->dccph_sport);
+ dport = GET_BE_U_2(dh->dccph_dport);
+ hlen = GET_U_1(dh->dccph_doff) * 4;
if (ip6) {
ND_PRINT("%s.%u > %s.%u: ",
- ip6addr_string(ndo, ip6->ip6_src), sport,
- ip6addr_string(ndo, ip6->ip6_dst), dport);
+ GET_IP6ADDR_STRING(ip6->ip6_src), sport,
+ GET_IP6ADDR_STRING(ip6->ip6_dst), dport);
} else {
ND_PRINT("%s.%u > %s.%u: ",
- ipaddr_string(ndo, ip->ip_src), sport,
- ipaddr_string(ndo, ip->ip_dst), dport);
+ GET_IPADDR_STRING(ip->ip_src), sport,
+ GET_IPADDR_STRING(ip->ip_dst), dport);
}
- ND_PRINT("DCCP");
+ nd_print_protocol_caps(ndo);
if (ndo->ndo_qflag) {
ND_PRINT(" %u", len - hlen);
/* other variables in generic header */
if (ndo->ndo_vflag) {
- ND_PRINT(" (CCVal %u, CsCov %u, ", DCCPH_CCVAL(dh), DCCPH_CSCOV(dh));
+ ND_PRINT(" (CCVal %u, CsCov %u", DCCPH_CCVAL(dh), DCCPH_CSCOV(dh));
}
/* checksum calculation */
if (ndo->ndo_vflag && ND_TTEST_LEN(bp, len)) {
uint16_t sum = 0, dccp_sum;
- dccp_sum = EXTRACT_BE_U_2(dh->dccph_checksum);
- ND_PRINT("cksum 0x%04x ", dccp_sum);
+ dccp_sum = GET_BE_U_2(dh->dccph_checksum);
+ ND_PRINT(", cksum 0x%04x ", dccp_sum);
if (IP_V(ip) == 4)
sum = dccp_cksum(ndo, ip, dh, len);
else if (IP_V(ip) == 6)
ND_TCHECK_SIZE(dhr);
ND_PRINT("%s (service=%u) ",
tok2str(dccp_pkt_type_str, "", dccph_type),
- EXTRACT_BE_U_4(dhr->dccph_req_service));
+ GET_BE_U_4(dhr->dccph_req_service));
break;
}
case DCCP_PKT_RESPONSE: {
ND_TCHECK_SIZE(dhr);
ND_PRINT("%s (service=%u) ",
tok2str(dccp_pkt_type_str, "", dccph_type),
- EXTRACT_BE_U_4(dhr->dccph_resp_service));
+ GET_BE_U_4(dhr->dccph_resp_service));
break;
}
case DCCP_PKT_DATA:
ND_TCHECK_SIZE(dhr);
ND_PRINT("%s (code=%s) ",
tok2str(dccp_pkt_type_str, "", dccph_type),
- dccp_reset_code(EXTRACT_U_1(dhr->dccph_reset_code)));
+ dccp_reset_code(GET_U_1(dhr->dccph_reset_code)));
break;
}
case DCCP_PKT_SYNC:
return;
trunc:
nd_print_trunc(ndo);
- return;
}
static const struct tok dccp_option_values[] = {
{
uint8_t optlen, i;
- ND_TCHECK_1(option);
-
- if (EXTRACT_U_1(option) >= 32) {
- ND_TCHECK_1(option + 1);
- optlen = EXTRACT_U_1(option + 1);
+ if (GET_U_1(option) >= 32) {
+ optlen = GET_U_1(option + 1);
if (optlen < 2) {
- if (EXTRACT_U_1(option) >= 128)
- ND_PRINT("CCID option %u optlen too short", EXTRACT_U_1(option));
+ if (GET_U_1(option) >= 128)
+ ND_PRINT("CCID option %u optlen too short",
+ GET_U_1(option));
else
ND_PRINT("%s optlen too short",
- tok2str(dccp_option_values, "Option %u", EXTRACT_U_1(option)));
+ tok2str(dccp_option_values, "Option %u", GET_U_1(option)));
return 0;
}
} else
optlen = 1;
if (hlen < optlen) {
- if (EXTRACT_U_1(option) >= 128)
+ if (GET_U_1(option) >= 128)
ND_PRINT("CCID option %u optlen goes past header length",
- EXTRACT_U_1(option));
+ GET_U_1(option));
else
ND_PRINT("%s optlen goes past header length",
- tok2str(dccp_option_values, "Option %u", EXTRACT_U_1(option)));
+ tok2str(dccp_option_values, "Option %u", GET_U_1(option)));
return 0;
}
ND_TCHECK_LEN(option, optlen);
- if (EXTRACT_U_1(option) >= 128) {
- ND_PRINT("CCID option %u", EXTRACT_U_1(option));
+ if (GET_U_1(option) >= 128) {
+ ND_PRINT("CCID option %u", GET_U_1(option));
switch (optlen) {
case 4:
- ND_PRINT(" %u", EXTRACT_BE_U_2(option + 2));
+ ND_PRINT(" %u", GET_BE_U_2(option + 2));
break;
case 6:
- ND_PRINT(" %u", EXTRACT_BE_U_4(option + 2));
+ ND_PRINT(" %u", GET_BE_U_4(option + 2));
break;
default:
break;
}
} else {
- ND_PRINT("%s", tok2str(dccp_option_values, "Option %u", EXTRACT_U_1(option)));
- switch (EXTRACT_U_1(option)) {
+ ND_PRINT("%s",
+ tok2str(dccp_option_values, "Option %u", GET_U_1(option)));
+ switch (GET_U_1(option)) {
case 32:
case 33:
case 34:
ND_PRINT(" optlen too short");
return optlen;
}
- if (EXTRACT_U_1(option + 2) < 10){
- ND_PRINT(" %s", dccp_feature_nums[EXTRACT_U_1(option + 2)]);
+ if (GET_U_1(option + 2) < 10){
+ ND_PRINT(" %s",
+ dccp_feature_nums[GET_U_1(option + 2)]);
for (i = 0; i < optlen - 3; i++)
- ND_PRINT(" %u", EXTRACT_U_1(option + 3 + i));
+ ND_PRINT(" %u",
+ GET_U_1(option + 3 + i));
}
break;
case 36:
if (optlen > 2) {
ND_PRINT(" 0x");
for (i = 0; i < optlen - 2; i++)
- ND_PRINT("%02x", EXTRACT_U_1(option + 2 + i));
+ ND_PRINT("%02x",
+ GET_U_1(option + 2 + i));
}
break;
case 37:
for (i = 0; i < optlen - 2; i++)
- ND_PRINT(" %u", EXTRACT_U_1(option + 2 + i));
+ ND_PRINT(" %u", GET_U_1(option + 2 + i));
break;
case 38:
if (optlen > 2) {
ND_PRINT(" 0x");
for (i = 0; i < optlen - 2; i++)
- ND_PRINT("%02x", EXTRACT_U_1(option + 2 + i));
+ ND_PRINT("%02x",
+ GET_U_1(option + 2 + i));
}
break;
case 39:
if (optlen > 2) {
ND_PRINT(" 0x");
for (i = 0; i < optlen - 2; i++)
- ND_PRINT("%02x", EXTRACT_U_1(option + 2 + i));
+ ND_PRINT("%02x",
+ GET_U_1(option + 2 + i));
}
break;
case 40:
if (optlen > 2) {
ND_PRINT(" 0x");
for (i = 0; i < optlen - 2; i++)
- ND_PRINT("%02x", EXTRACT_U_1(option + 2 + i));
+ ND_PRINT("%02x",
+ GET_U_1(option + 2 + i));
}
break;
case 41:
* Type=41 Length=6
*/
if (optlen == 6)
- ND_PRINT(" %u", EXTRACT_BE_U_4(option + 2));
+ ND_PRINT(" %u", GET_BE_U_4(option + 2));
else
ND_PRINT(" [optlen != 6]");
break;
*/
switch (optlen) {
case 6:
- ND_PRINT(" %u", EXTRACT_BE_U_4(option + 2));
+ ND_PRINT(" %u", GET_BE_U_4(option + 2));
break;
case 8:
- ND_PRINT(" %u", EXTRACT_BE_U_4(option + 2));
- ND_PRINT(" (elapsed time %u)", EXTRACT_BE_U_2(option + 6));
+ ND_PRINT(" %u", GET_BE_U_4(option + 2));
+ ND_PRINT(" (elapsed time %u)",
+ GET_BE_U_2(option + 6));
break;
case 10:
- ND_PRINT(" %u", EXTRACT_BE_U_4(option + 2));
- ND_PRINT(" (elapsed time %u)", EXTRACT_BE_U_4(option + 6));
+ ND_PRINT(" %u", GET_BE_U_4(option + 2));
+ ND_PRINT(" (elapsed time %u)",
+ GET_BE_U_4(option + 6));
break;
default:
ND_PRINT(" [optlen != 6 or 8 or 10]");
break;
case 43:
if (optlen == 6)
- ND_PRINT(" %u", EXTRACT_BE_U_4(option + 2));
+ ND_PRINT(" %u", GET_BE_U_4(option + 2));
else if (optlen == 4)
- ND_PRINT(" %u", EXTRACT_BE_U_2(option + 2));
+ ND_PRINT(" %u", GET_BE_U_2(option + 2));
else
ND_PRINT(" [optlen != 4 or 6]");
break;
if (optlen > 2) {
ND_PRINT(" ");
for (i = 0; i < optlen - 2; i++)
- ND_PRINT("%02x", EXTRACT_U_1(option + 2 + i));
+ ND_PRINT("%02x",
+ GET_U_1(option + 2 + i));
}
break;
}
projects / tcpdump / blobdiff