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Use Npcap-specific error messages on Windows for privilege issues.

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This commit is contained in:
dmiller
2024-06-03 19:29:18 +00:00
parent 365792fda1
commit ccb536f3c2
2 changed files with 24 additions and 5 deletions
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10
NmapOps.cc
View File

@@ -374,6 +374,10 @@ Npcap is available from https://npcap.com. The Npcap driver service must\n\
be started by an administrator before Npcap can be used. Running nmap.exe\n\
will open a UAC dialog where you can start the service if you have\n\
administrator privileges.";
#define YOU_ARE_ROOT "Npcap is installed"
#else
#define YOU_ARE_ROOT "you are root"
#endif
@@ -403,15 +407,15 @@ administrator privileges.";
}
if ((pingtype & PINGTYPE_UDP) && (!isr00t)) {
fatal("Sorry, UDP Ping (-PU) only works if you are root (because we need to read raw responses off the wire)");
fatal("Sorry, UDP Ping (-PU) only works if " YOU_ARE_ROOT " (because we need to read raw responses off the wire)");
}
if ((pingtype & PINGTYPE_SCTP_INIT) && (!isr00t)) {
fatal("Sorry, SCTP INIT Ping (-PY) only works if you are root (because we need to read raw responses off the wire)");
fatal("Sorry, SCTP INIT Ping (-PY) only works if " YOU_ARE_ROOT " (because we need to read raw responses off the wire)");
}
if ((pingtype & PINGTYPE_PROTO) && (!isr00t)) {
fatal("Sorry, IPProto Ping (-PO) only works if you are root (because we need to read raw responses off the wire)");
fatal("Sorry, IPProto Ping (-PO) only works if " YOU_ARE_ROOT " (because we need to read raw responses off the wire)");
}
if (ipprotscan && (TCPScan() || UDPScan() || SCTPScan())) {

19
nmap.cc
View File

@@ -393,7 +393,11 @@ void validate_scan_lists(scan_lists &vports, NmapOps &vo) {
if (!vo.isr00t) {
if (vo.pingtype & (PINGTYPE_ICMP_PING | PINGTYPE_ICMP_MASK | PINGTYPE_ICMP_TS)) {
#ifdef WIN32
error("Warning: Npcap not detected -- using TCP pingscan rather than ICMP");
#else
error("Warning: You are not root -- using TCP pingscan rather than ICMP");
#endif
vo.pingtype &= ~(PINGTYPE_ICMP_PING | PINGTYPE_ICMP_MASK | PINGTYPE_ICMP_TS);
vo.pingtype |= PINGTYPE_TCP;
if (vports.syn_ping_count == 0) {
@@ -1567,8 +1571,13 @@ void apply_delayed_options() {
}
#endif
if (o.traceroute && !o.isr00t)
if (o.traceroute && !o.isr00t) {
#ifdef WIN32
fatal("Traceroute requires Npcap, which was not detected.");
#else
fatal("Traceroute has to be run as root");
#endif
}
if (o.traceroute && o.idlescan)
fatal("Traceroute does not support idle scan");
@@ -1800,7 +1809,13 @@ void apply_delayed_options() {
if (delayed_options.raw_scan_options && (!o.isr00t || o.connectscan)) {
error("You have specified some options that require raw socket access.\n"
"These options will not be honored %s.",
o.isr00t ? "for TCP Connect scan" : "without the necessary privileges");
o.isr00t ? "for TCP Connect scan" :
#ifdef WIN32
"since Npcap was not detected"
#else
"without the necessary privileges"
#endif
);
}
}