int optlen;
for (i = 0; i < len; i += optlen) {
- if (bp[i] == IP6OPT_PAD1)
+ if (EXTRACT_U_1(bp + i) == IP6OPT_PAD1)
optlen = 1;
else {
if (i + 1 < len)
- optlen = bp[i + 1] + 2;
+ optlen = EXTRACT_U_1(bp + i + 1) + 2;
else
goto trunc;
}
if (len == 0)
return;
for (i = 0; i < len; i += optlen) {
- if (bp[i] == IP6OPT_PAD1)
+ if (EXTRACT_U_1(bp + i) == IP6OPT_PAD1)
optlen = 1;
else {
if (i + 1 < len)
- optlen = bp[i + 1] + 2;
+ optlen = EXTRACT_U_1(bp + i + 1) + 2;
else
goto trunc;
}
ND_PRINT((ndo, "(rtalert: trunc)"));
goto trunc;
}
- if (bp[i + 1] != IP6OPT_RTALERT_LEN - 2) {
+ if (EXTRACT_U_1(bp + i + 1) != IP6OPT_RTALERT_LEN - 2) {
ND_PRINT((ndo, "(rtalert: invalid len %d)", EXTRACT_U_1(bp + i + 1)));
goto trunc;
}
ND_PRINT((ndo, "(jumbo: trunc)"));
goto trunc;
}
- if (bp[i + 1] != IP6OPT_JUMBO_LEN - 2) {
+ if (EXTRACT_U_1(bp + i + 1) != IP6OPT_JUMBO_LEN - 2) {
ND_PRINT((ndo, "(jumbo: invalid len %d)", EXTRACT_U_1(bp + i + 1)));
goto trunc;
}
ND_PRINT((ndo, "(homeaddr: trunc)"));
goto trunc;
}
- if (bp[i + 1] < IP6OPT_HOMEADDR_MINLEN - 2) {
+ if (EXTRACT_U_1(bp + i + 1) < IP6OPT_HOMEADDR_MINLEN - 2) {
ND_PRINT((ndo, "(homeaddr: invalid len %d)", EXTRACT_U_1(bp + i + 1)));
goto trunc;
}
ND_PRINT((ndo, "(homeaddr: %s", ip6addr_string(ndo, bp + i + 2)));
- if (bp[i + 1] > IP6OPT_HOMEADDR_MINLEN - 2) {
+ if (EXTRACT_U_1(bp + i + 1) > IP6OPT_HOMEADDR_MINLEN - 2) {
ip6_sopt_print(ndo, bp + i + IP6OPT_HOMEADDR_MINLEN,
(optlen - IP6OPT_HOMEADDR_MINLEN));
}
}
int
-hbhopt_print(netdissect_options *ndo, register const u_char *bp)
+hbhopt_print(netdissect_options *ndo, const u_char *bp)
{
const struct ip6_hbh *dp = (const struct ip6_hbh *)bp;
u_int hbhlen = 0;
ND_TCHECK(dp->ip6h_len);
- hbhlen = (dp->ip6h_len + 1) << 3;
- ND_TCHECK2(*dp, hbhlen);
+ hbhlen = (EXTRACT_U_1(dp->ip6h_len) + 1) << 3;
+ ND_TCHECK_LEN(dp, hbhlen);
ND_PRINT((ndo, "HBH "));
if (ndo->ndo_vflag)
ip6_opt_print(ndo, (const u_char *)dp + sizeof(*dp), hbhlen - sizeof(*dp));
}
int
-dstopt_print(netdissect_options *ndo, register const u_char *bp)
+dstopt_print(netdissect_options *ndo, const u_char *bp)
{
const struct ip6_dest *dp = (const struct ip6_dest *)bp;
u_int dstoptlen = 0;
ND_TCHECK(dp->ip6d_len);
- dstoptlen = (dp->ip6d_len + 1) << 3;
- ND_TCHECK2(*dp, dstoptlen);
+ dstoptlen = (EXTRACT_U_1(dp->ip6d_len) + 1) << 3;
+ ND_TCHECK_LEN(dp, dstoptlen);
ND_PRINT((ndo, "DSTOPT "));
if (ndo->ndo_vflag) {
ip6_opt_print(ndo, (const u_char *)dp + sizeof(*dp),