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nmap.h
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nmap.h
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/***************************************************************************
* nmap.h -- Currently handles some of Nmap's port scanning features as *
* well as the command line user interface. Note that the actual main() *
* function is in main.c *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
*
* The Nmap Security Scanner is (C) 1996-2024 Nmap Software LLC ("The Nmap
* Project"). Nmap is also a registered trademark of the Nmap Project.
*
* This program is distributed under the terms of the Nmap Public Source
* License (NPSL). The exact license text applying to a particular Nmap
* release or source code control revision is contained in the LICENSE
* file distributed with that version of Nmap or source code control
* revision. More Nmap copyright/legal information is available from
* https://nmap.org/book/man-legal.html, and further information on the
* NPSL license itself can be found at https://nmap.org/npsl/ . This
* header summarizes some key points from the Nmap license, but is no
* substitute for the actual license text.
*
* Nmap is generally free for end users to download and use themselves,
* including commercial use. It is available from https://nmap.org.
*
* The Nmap license generally prohibits companies from using and
* redistributing Nmap in commercial products, but we sell a special Nmap
* OEM Edition with a more permissive license and special features for
* this purpose. See https://nmap.org/oem/
*
* If you have received a written Nmap license agreement or contract
* stating terms other than these (such as an Nmap OEM license), you may
* choose to use and redistribute Nmap under those terms instead.
*
* The official Nmap Windows builds include the Npcap software
* (https://npcap.com) for packet capture and transmission. It is under
* separate license terms which forbid redistribution without special
* permission. So the official Nmap Windows builds may not be redistributed
* without special permission (such as an Nmap OEM license).
*
* Source is provided to this software because we believe users have a
* right to know exactly what a program is going to do before they run it.
* This also allows you to audit the software for security holes.
*
* Source code also allows you to port Nmap to new platforms, fix bugs, and
* add new features. You are highly encouraged to submit your changes as a
* Github PR or by email to the dev@nmap.org mailing list for possible
* incorporation into the main distribution. Unless you specify otherwise, it
* is understood that you are offering us very broad rights to use your
* submissions as described in the Nmap Public Source License Contributor
* Agreement. This is important because we fund the project by selling licenses
* with various terms, and also because the inability to relicense code has
* caused devastating problems for other Free Software projects (such as KDE
* and NASM).
*
* The free version of Nmap is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Warranties,
* indemnification and commercial support are all available through the
* Npcap OEM program--see https://nmap.org/oem/
*
***************************************************************************/
/* $Id$ */
#ifndef NMAP_H
#define NMAP_H
/************************INCLUDES**********************************/
#ifdef HAVE_CONFIG_H
#include "nmap_config.h"
#else
#ifdef WIN32
#include "nmap_winconfig.h"
#endif /* WIN32 */
#endif /* HAVE_CONFIG_H */
#ifdef __amigaos__
#include "nmap_amigaos.h"
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_BSTRING_H
#include <bstring.h>
#endif
/* Keep assert() defined for security reasons */
#undef NDEBUG
#include <assert.h>
/*#include <net/if_arp.h> *//* defines struct arphdr needed for if_ether.h */
// #if HAVE_NET_IF_H
// #ifndef NET_IF_H /* why doesn't OpenBSD do this?! */
// #include <net/if.h>
// #define NET_IF_H
// #endif
// #endif
// #if HAVE_NETINET_IF_ETHER_H
// #ifndef NETINET_IF_ETHER_H
// #include <netinet/if_ether.h>
// #define NETINET_IF_ETHER_H
// #endif /* NETINET_IF_ETHER_H */
// #endif /* HAVE_NETINET_IF_ETHER_H */
/******* DEFINES ************/
#ifdef NMAP_OEM
#include "../nmap-build/nmap-oem.h"
#endif
#ifndef NMAP_NAME
#define NMAP_NAME "Nmap"
#endif
#define NMAP_URL "https://nmap.org"
#define _STR(X) #X
#define STR(X) _STR(X)
#ifndef NMAP_VERSION
/* Edit this definition only within the quotes, because it is read from this
file by the makefiles. */
#define NMAP_MAJOR 7
#define NMAP_MINOR 95
#define NMAP_BUILD 1
/* SVN, BETA, etc. */
#define NMAP_SPECIAL "SVN"
#define NMAP_VERSION STR(NMAP_MAJOR) "." STR(NMAP_MINOR) NMAP_SPECIAL
#define NMAP_NUM_VERSION STR(NMAP_MAJOR) "." STR(NMAP_MINOR) "." STR(NMAP_BUILD) ".0"
#endif
#define NMAP_XMLOUTPUTVERSION "1.05"
/* User configurable #defines: */
#define MAX_PROBE_PORTS 10 /* How many TCP probe ports are allowed ? */
/* Default number of ports in parallel. Doesn't always involve actual
sockets. Can also adjust with the -M command line option. */
#define MAX_SOCKETS 36
#define MAX_TIMEOUTS MAX_SOCKETS /* How many timed out connection attempts
in a row before we decide the host is
dead? */
#define DEFAULT_TCP_PROBE_PORT 80 /* The ports TCP ping probes go to if
unspecified by user -- uber hackers
change this to 113 */
#define DEFAULT_TCP_PROBE_PORT_SPEC STR(DEFAULT_TCP_PROBE_PORT)
#define DEFAULT_UDP_PROBE_PORT 40125 /* The port UDP ping probes go to
if unspecified by user */
#define DEFAULT_UDP_PROBE_PORT_SPEC STR(DEFAULT_UDP_PROBE_PORT)
#define DEFAULT_SCTP_PROBE_PORT 80 /* The port SCTP probes go to
if unspecified by
user */
#define DEFAULT_SCTP_PROBE_PORT_SPEC STR(DEFAULT_SCTP_PROBE_PORT)
#define DEFAULT_PROTO_PROBE_PORT_SPEC "1,2,4" /* The IPProto ping probes to use
if unspecified by user */
#define MAX_DECOYS 128 /* How many decoys are allowed? */
/* TCP Options for TCP SYN probes: MSS 1460 */
#define TCP_SYN_PROBE_OPTIONS "\x02\x04\x05\xb4"
#define TCP_SYN_PROBE_OPTIONS_LEN (sizeof(TCP_SYN_PROBE_OPTIONS)-1)
/* Default maximum send delay between probes to the same host */
#ifndef MAX_TCP_SCAN_DELAY
#define MAX_TCP_SCAN_DELAY 1000
#endif
#ifndef MAX_UDP_SCAN_DELAY
#define MAX_UDP_SCAN_DELAY 1000
#endif
#ifndef MAX_SCTP_SCAN_DELAY
#define MAX_SCTP_SCAN_DELAY 1000
#endif
/* Maximum number of extra hostnames, OSs, and devices, we
consider when outputting the extra service info fields */
#define MAX_SERVICE_INFO_FIELDS 5
/* We wait at least 100 ms for a response by default - while that
seems aggressive, waiting too long can cause us to fail to detect
drops until many probes later on extremely low-latency
networks (such as localhost scans). */
#ifndef MIN_RTT_TIMEOUT
#define MIN_RTT_TIMEOUT 100
#endif
#ifndef MAX_RTT_TIMEOUT
#define MAX_RTT_TIMEOUT 10000 /* Never allow more than 10 secs for packet round
trip */
#endif
#define INITIAL_RTT_TIMEOUT 1000 /* Allow 1 second initially for packet responses */
#define INITIAL_ARP_RTT_TIMEOUT 200 /* The initial timeout for ARP is lower */
#ifndef MAX_RETRANSMISSIONS
#define MAX_RETRANSMISSIONS 10 /* 11 probes to port at maximum */
#endif
/* Number of hosts we pre-ping and then scan. We do a lot more if
randomize_hosts is set. Every one you add to this leads to ~1K of
extra always-resident memory in nmap */
#define PING_GROUP_SZ 4096
/* DO NOT change stuff after this point */
#define UC(b) (((int)b)&0xff)
#define SA struct sockaddr /*Ubertechnique from R. Stevens */
#define HOST_UNKNOWN 0
#define HOST_UP 1
#define HOST_DOWN 2
#define PINGTYPE_UNKNOWN 0
#define PINGTYPE_NONE 1
#define PINGTYPE_ICMP_PING 2
#define PINGTYPE_ICMP_MASK 4
#define PINGTYPE_ICMP_TS 8
#define PINGTYPE_TCP 16
#define PINGTYPE_TCP_USE_ACK 32
#define PINGTYPE_TCP_USE_SYN 64
/* # define PINGTYPE_RAWTCP 128 used to be here, but was never used. */
#define PINGTYPE_CONNECTTCP 256
#define PINGTYPE_UDP 512
/* #define PINGTYPE_ARP 1024 // Not used; see o.implicitARPPing */
#define PINGTYPE_PROTO 2048
#define PINGTYPE_SCTP_INIT 4096
/* Empirically determined optimum combinations of different numbers of probes:
-PE
-PE -PA80
-PE -PA80 -PS443
-PE -PA80 -PS443 -PP
-PE -PA80 -PS443 -PP -PU40125
We use the four-probe combination. */
#define DEFAULT_IPV4_PING_TYPES (PINGTYPE_ICMP_PING|PINGTYPE_TCP|PINGTYPE_TCP_USE_ACK|PINGTYPE_TCP_USE_SYN|PINGTYPE_ICMP_TS)
#define DEFAULT_IPV6_PING_TYPES (PINGTYPE_ICMP_PING|PINGTYPE_TCP|PINGTYPE_TCP_USE_ACK|PINGTYPE_TCP_USE_SYN)
#define DEFAULT_PING_ACK_PORT_SPEC "80"
#define DEFAULT_PING_SYN_PORT_SPEC "443"
/* For nonroot. */
#define DEFAULT_PING_CONNECT_PORT_SPEC "80,443"
/* The max length of each line of the subject fingerprint when
wrapped. */
#define FP_RESULT_WRAP_LINE_LEN 74
/* Length of longest DNS name */
#define FQDN_LEN 254
/* Max payload: Worst case is IPv4 with 40bytes of options and TCP with 20
* bytes of options. */
#define MAX_PAYLOAD_ALLOWED 65535-60-40
#ifndef recvfrom6_t
# define recvfrom6_t int
#endif
/***********************PROTOTYPES**********************************/
/* Renamed main so that interactive mode could preprocess when necessary */
int nmap_main(int argc, char *argv[]);
int nmap_fetchfile(char *filename_returned, int bufferlen, const char *file);
int gather_logfile_resumption_state(char *fname, int *myargc, char ***myargv);
#endif /* NMAP_H */