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Differential D30275 Diff 90160 sys/netinet/libalias/alias.c

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sys/netinet/libalias/alias.c

Show First 20 Lines • Show All 1,324 Lines • ▼ Show 20 LinesLibAliasInLocked(struct libalias *la, struct ip *pip, int maxpacketsize)
if (la->packetAliasMode & PKT_ALIAS_REVERSE) { if (la->packetAliasMode & PKT_ALIAS_REVERSE) {
la->packetAliasMode &= ~PKT_ALIAS_REVERSE; la->packetAliasMode &= ~PKT_ALIAS_REVERSE;
iresult = LibAliasOutLocked(la, pip, maxpacketsize, 1); iresult = LibAliasOutLocked(la, pip, maxpacketsize, 1);
la->packetAliasMode |= PKT_ALIAS_REVERSE; la->packetAliasMode |= PKT_ALIAS_REVERSE;
goto getout; goto getout;
} }
HouseKeeping(la); HouseKeeping(la);
ClearCheckNewLink(la);
alias_addr = pip->ip_dst; alias_addr = pip->ip_dst;
/* Defense against mangled packets */ /* Defense against mangled packets */
if (ntohs(pip->ip_len) > maxpacketsize if (ntohs(pip->ip_len) > maxpacketsize
|| (pip->ip_hl << 2) > maxpacketsize) { || (pip->ip_hl << 2) > maxpacketsize) {
iresult = PKT_ALIAS_IGNORED; iresult = PKT_ALIAS_IGNORED;
goto getout; goto getout;
} }
▲ Show 20 Lines • Show All 114 Lines • ▼ Show 20 Lines)
if (la->packetAliasMode & PKT_ALIAS_REVERSE) { if (la->packetAliasMode & PKT_ALIAS_REVERSE) {
la->packetAliasMode &= ~PKT_ALIAS_REVERSE; la->packetAliasMode &= ~PKT_ALIAS_REVERSE;
iresult = LibAliasInLocked(la, pip, maxpacketsize); iresult = LibAliasInLocked(la, pip, maxpacketsize);
la->packetAliasMode |= PKT_ALIAS_REVERSE; la->packetAliasMode |= PKT_ALIAS_REVERSE;
goto getout; goto getout;
} }
HouseKeeping(la); HouseKeeping(la);
ClearCheckNewLink(la);
/* Defense against mangled packets */ /* Defense against mangled packets */
if (ntohs(pip->ip_len) > maxpacketsize if (ntohs(pip->ip_len) > maxpacketsize
|| (pip->ip_hl << 2) > maxpacketsize) { || (pip->ip_hl << 2) > maxpacketsize) {
iresult = PKT_ALIAS_IGNORED; iresult = PKT_ALIAS_IGNORED;
goto getout; goto getout;
} }
▲ Show 20 Lines • Show All 322 Lines • Show Last 20 Lines