mirror of
https://github.com/nmap/nmap.git
synced 2025-12-06 04:31:29 +00:00
Use switch instead of chained if/else for -P* options
This commit is contained in:
dmiller
219
nmap.cc
219
nmap.cc
@@ -1124,112 +1124,127 @@ void parse_options(int argc, char **argv) {
|
||||
delayed_options.normalfilename = logfilename(optarg, &local_time);
|
||||
break;
|
||||
case 'P':
|
||||
if (!optarg) {
|
||||
if (!optarg || *optarg == '\0') {
|
||||
delayed_options.warn_deprecated("P", "PE");
|
||||
o.pingtype |= PINGTYPE_ICMP_PING;
|
||||
}
|
||||
else if (*optarg == '\0' || *optarg == 'I' || *optarg == 'E') {
|
||||
if (*optarg != 'E') {
|
||||
char buf[4];
|
||||
Snprintf(buf, 3, "P%c", *optarg);
|
||||
delayed_options.warn_deprecated(buf, "PE");
|
||||
else {
|
||||
char buf[4];
|
||||
switch (*optarg) {
|
||||
case 'I':
|
||||
delayed_options.warn_deprecated("PI", "PE");
|
||||
case 'E':
|
||||
o.pingtype |= PINGTYPE_ICMP_PING;
|
||||
break;
|
||||
|
||||
case 'M':
|
||||
o.pingtype |= PINGTYPE_ICMP_MASK;
|
||||
break;
|
||||
case 'P':
|
||||
o.pingtype |= PINGTYPE_ICMP_TS;
|
||||
break;
|
||||
|
||||
case '0':
|
||||
case 'N':
|
||||
case 'D':
|
||||
Snprintf(buf, 3, "P%c", *optarg);
|
||||
delayed_options.warn_deprecated(buf, "Pn");
|
||||
case 'n':
|
||||
if (o.verbose > 0)
|
||||
error("Host discovery disabled (-Pn). All addresses will be marked 'up' and scan times may be slower.");
|
||||
o.pingtype |= PINGTYPE_NONE;
|
||||
break;
|
||||
|
||||
case 'R':
|
||||
if (o.verbose > 0)
|
||||
error("The -PR option is deprecated. ARP scan is always done when possible.");
|
||||
break;
|
||||
case 'S':
|
||||
if (ports.syn_ping_count > 0)
|
||||
fatal("Only one -PS option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype |= (PINGTYPE_TCP | PINGTYPE_TCP_USE_SYN);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_TCP_PORT, &ports.syn_ping_ports, &ports.syn_ping_count);
|
||||
if (ports.syn_ping_count <= 0)
|
||||
fatal("Bogus argument to -PS: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_TCP_PROBE_PORT_SPEC, SCAN_TCP_PORT, &ports.syn_ping_ports, &ports.syn_ping_count);
|
||||
assert(ports.syn_ping_count > 0);
|
||||
}
|
||||
break;
|
||||
|
||||
case 'T':
|
||||
case 'A':
|
||||
if (ports.ack_ping_count > 0)
|
||||
fatal("Only one -PB, -PA, or -PT option is allowed. Combine port ranges with commas.");
|
||||
/* validate_scan_lists takes case of changing this to
|
||||
to SYN if not root or if IPv6. */
|
||||
o.pingtype |= (PINGTYPE_TCP | PINGTYPE_TCP_USE_ACK);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
if (ports.ack_ping_count <= 0)
|
||||
fatal("Bogus argument to -PA: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_TCP_PROBE_PORT_SPEC, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
assert(ports.ack_ping_count > 0);
|
||||
}
|
||||
break;
|
||||
case 'U':
|
||||
if (ports.udp_ping_count > 0)
|
||||
fatal("Only one -PU option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype |= (PINGTYPE_UDP);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_UDP_PORT, &ports.udp_ping_ports, &ports.udp_ping_count);
|
||||
if (ports.udp_ping_count <= 0)
|
||||
fatal("Bogus argument to -PU: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_UDP_PROBE_PORT_SPEC, SCAN_UDP_PORT, &ports.udp_ping_ports, &ports.udp_ping_count);
|
||||
assert(ports.udp_ping_count > 0);
|
||||
}
|
||||
break;
|
||||
case 'Y':
|
||||
if (ports.sctp_ping_count > 0)
|
||||
fatal("Only one -PY option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype |= (PINGTYPE_SCTP_INIT);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_SCTP_PORT, &ports.sctp_ping_ports, &ports.sctp_ping_count);
|
||||
if (ports.sctp_ping_count <= 0)
|
||||
fatal("Bogus argument to -PY: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_SCTP_PROBE_PORT_SPEC, SCAN_SCTP_PORT, &ports.sctp_ping_ports, &ports.sctp_ping_count);
|
||||
assert(ports.sctp_ping_count > 0);
|
||||
}
|
||||
break;
|
||||
case 'B':
|
||||
if (ports.ack_ping_count > 0)
|
||||
fatal("Only one -PB, -PA, or -PT option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype = DEFAULT_IPV4_PING_TYPES;
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
if (ports.ack_ping_count <= 0)
|
||||
fatal("Bogus argument to -PB: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_TCP_PROBE_PORT_SPEC, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
assert(ports.ack_ping_count > 0);
|
||||
}
|
||||
break;
|
||||
case 'O':
|
||||
if (ports.proto_ping_count > 0)
|
||||
fatal("Only one -PO option is allowed. Combine protocol ranges with commas.");
|
||||
o.pingtype |= PINGTYPE_PROTO;
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_PROTOCOLS, &ports.proto_ping_ports, &ports.proto_ping_count);
|
||||
if (ports.proto_ping_count <= 0)
|
||||
fatal("Bogus argument to -PO: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_PROTO_PROBE_PORT_SPEC, SCAN_PROTOCOLS, &ports.proto_ping_ports, &ports.proto_ping_count);
|
||||
assert(ports.proto_ping_count > 0);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
fatal("Illegal Argument to -P, use -Pn, -PE, -PS, -PA, -PP, -PM, -PU, -PY, or -PO");
|
||||
break;
|
||||
}
|
||||
o.pingtype |= PINGTYPE_ICMP_PING;
|
||||
}
|
||||
else if (*optarg == 'M')
|
||||
o.pingtype |= PINGTYPE_ICMP_MASK;
|
||||
else if (*optarg == 'P')
|
||||
o.pingtype |= PINGTYPE_ICMP_TS;
|
||||
else if (*optarg == 'n' || *optarg == '0' || *optarg == 'N' || *optarg == 'D') {
|
||||
if (*optarg != 'n') {
|
||||
char buf[4];
|
||||
Snprintf(buf, 3, "P%c", *optarg);
|
||||
delayed_options.warn_deprecated(buf, "Pn");
|
||||
}
|
||||
if (o.verbose > 0)
|
||||
error("Host discovery disabled (-Pn). All addresses will be marked 'up' and scan times may be slower.");
|
||||
o.pingtype |= PINGTYPE_NONE;
|
||||
}
|
||||
else if (*optarg == 'R') {
|
||||
if (o.verbose > 0)
|
||||
error("The -PR option is deprecated. ARP scan is always done when possible.");
|
||||
}
|
||||
else if (*optarg == 'S') {
|
||||
if (ports.syn_ping_count > 0)
|
||||
fatal("Only one -PS option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype |= (PINGTYPE_TCP | PINGTYPE_TCP_USE_SYN);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_TCP_PORT, &ports.syn_ping_ports, &ports.syn_ping_count);
|
||||
if (ports.syn_ping_count <= 0)
|
||||
fatal("Bogus argument to -PS: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_TCP_PROBE_PORT_SPEC, SCAN_TCP_PORT, &ports.syn_ping_ports, &ports.syn_ping_count);
|
||||
assert(ports.syn_ping_count > 0);
|
||||
}
|
||||
} else if (*optarg == 'T' || *optarg == 'A') {
|
||||
if (ports.ack_ping_count > 0)
|
||||
fatal("Only one -PB, -PA, or -PT option is allowed. Combine port ranges with commas.");
|
||||
/* validate_scan_lists takes case of changing this to
|
||||
to SYN if not root or if IPv6. */
|
||||
o.pingtype |= (PINGTYPE_TCP | PINGTYPE_TCP_USE_ACK);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
if (ports.ack_ping_count <= 0)
|
||||
fatal("Bogus argument to -PA: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_TCP_PROBE_PORT_SPEC, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
assert(ports.ack_ping_count > 0);
|
||||
}
|
||||
} else if (*optarg == 'U') {
|
||||
if (ports.udp_ping_count > 0)
|
||||
fatal("Only one -PU option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype |= (PINGTYPE_UDP);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_UDP_PORT, &ports.udp_ping_ports, &ports.udp_ping_count);
|
||||
if (ports.udp_ping_count <= 0)
|
||||
fatal("Bogus argument to -PU: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_UDP_PROBE_PORT_SPEC, SCAN_UDP_PORT, &ports.udp_ping_ports, &ports.udp_ping_count);
|
||||
assert(ports.udp_ping_count > 0);
|
||||
}
|
||||
} else if (*optarg == 'Y') {
|
||||
if (ports.sctp_ping_count > 0)
|
||||
fatal("Only one -PY option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype |= (PINGTYPE_SCTP_INIT);
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_SCTP_PORT, &ports.sctp_ping_ports, &ports.sctp_ping_count);
|
||||
if (ports.sctp_ping_count <= 0)
|
||||
fatal("Bogus argument to -PY: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_SCTP_PROBE_PORT_SPEC, SCAN_SCTP_PORT, &ports.sctp_ping_ports, &ports.sctp_ping_count);
|
||||
assert(ports.sctp_ping_count > 0);
|
||||
}
|
||||
} else if (*optarg == 'B') {
|
||||
if (ports.ack_ping_count > 0)
|
||||
fatal("Only one -PB, -PA, or -PT option is allowed. Combine port ranges with commas.");
|
||||
o.pingtype = DEFAULT_IPV4_PING_TYPES;
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
if (ports.ack_ping_count <= 0)
|
||||
fatal("Bogus argument to -PB: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_TCP_PROBE_PORT_SPEC, SCAN_TCP_PORT, &ports.ack_ping_ports, &ports.ack_ping_count);
|
||||
assert(ports.ack_ping_count > 0);
|
||||
}
|
||||
} else if (*optarg == 'O') {
|
||||
if (ports.proto_ping_count > 0)
|
||||
fatal("Only one -PO option is allowed. Combine protocol ranges with commas.");
|
||||
o.pingtype |= PINGTYPE_PROTO;
|
||||
if (*(optarg + 1) != '\0') {
|
||||
getpts_simple(optarg + 1, SCAN_PROTOCOLS, &ports.proto_ping_ports, &ports.proto_ping_count);
|
||||
if (ports.proto_ping_count <= 0)
|
||||
fatal("Bogus argument to -PO: %s", optarg + 1);
|
||||
} else {
|
||||
getpts_simple(DEFAULT_PROTO_PROBE_PORT_SPEC, SCAN_PROTOCOLS, &ports.proto_ping_ports, &ports.proto_ping_count);
|
||||
assert(ports.proto_ping_count > 0);
|
||||
}
|
||||
} else {
|
||||
fatal("Illegal Argument to -P, use -Pn, -PE, -PS, -PA, -PP, -PM, -PU, -PY, or -PO");
|
||||
}
|
||||
break;
|
||||
case 'p':
|
||||
|
||||
Reference in New Issue
Block a user