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Fix traceroute with -sO

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This commit is contained in:
dmiller 2026-08-18 16:06:55 +00:00
parent cd74c02e2f
commit 4f83a3bdad
1 changed files with 6 additions and 2 deletions
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8
traceroute.cc
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@ -545,19 +545,23 @@ struct probespec HostState::get_probe(const Target *target) {
protocols. We cheat and store them in the TCP-, UDP-, SCTP- and
ICMP-specific fields. */
if (probe.proto == IPPROTO_TCP) {
probe.type = PS_TCP;
probe.pd.tcp.flags = TH_ACK;
probe.pd.tcp.dport = get_random_u16();
} else if (probe.proto == IPPROTO_UDP) {
probe.type = PS_UDP;
probe.pd.udp.dport = get_random_u16();
} else if (probe.proto == IPPROTO_SCTP) {
probe.type = PS_SCTP;
probe.pd.sctp.dport = get_random_u16();
} else if (probe.proto == IPPROTO_ICMP) {
probe.type = PS_ICMP;
probe.pd.icmp.type = ICMP_ECHO;
} else if (probe.proto == IPPROTO_ICMPV6) {
probe.type = PS_ICMPV6;
probe.pd.icmp.type = ICMPV6_ECHO;
} else {
fatal("Unknown protocol %d", probe.proto);
}
// Otherwise we leave ourselves at the mercy of build_ip_raw()
} else {
/* No responsive probe known? The user probably skipped both ping and
port scan. Guess ICMP echo as the most likely to get a response. */