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

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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
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@@ -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\ 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\ will open a UAC dialog where you can start the service if you have\n\
administrator privileges."; administrator privileges.";
#define YOU_ARE_ROOT "Npcap is installed"
#else
#define YOU_ARE_ROOT "you are root"
#endif #endif
@@ -403,15 +407,15 @@ administrator privileges.";
} }
if ((pingtype & PINGTYPE_UDP) && (!isr00t)) { 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)) { 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)) { 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())) { 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.isr00t) {
if (vo.pingtype & (PINGTYPE_ICMP_PING | PINGTYPE_ICMP_MASK | PINGTYPE_ICMP_TS)) { 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"); 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_ICMP_PING | PINGTYPE_ICMP_MASK | PINGTYPE_ICMP_TS);
vo.pingtype |= PINGTYPE_TCP; vo.pingtype |= PINGTYPE_TCP;
if (vports.syn_ping_count == 0) { if (vports.syn_ping_count == 0) {
@@ -1567,8 +1571,13 @@ void apply_delayed_options() {
} }
#endif #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"); fatal("Traceroute has to be run as root");
#endif
}
if (o.traceroute && o.idlescan) if (o.traceroute && o.idlescan)
fatal("Traceroute does not support idle scan"); 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)) { if (delayed_options.raw_scan_options && (!o.isr00t || o.connectscan)) {
error("You have specified some options that require raw socket access.\n" error("You have specified some options that require raw socket access.\n"
"These options will not be honored %s.", "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
);
} }
} }