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/***************************************************************************
* common_modified.h -- This file holds all those functions and classes *
* that have been reused from Nmap's code but that needed to be modified *
* in order to reuse them. *
* *
***********************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/
*
***************************************************************************/
#ifndef COMMON_MODIFIED_H
#define COMMON_MODIFIED_H 1
#include "nping.h"
#include "common.h"
/*****************************************************************************
* STUFF FROM TargetGroup.h
****************************************************************************/
class TargetGroup {
public:
/* used by get_target_types */
enum _targets_types { TYPE_NONE, IPV4_NETMASK, IPV4_RANGES, IPV6_ADDRESS };
/* used as input to skip range */
enum _octet_nums { FIRST_OCTET, SECOND_OCTET, THIRD_OCTET };
TargetGroup();
/* Initializes (or reinitializes) the object with a new expression,
such as 192.168.0.0/16 , 10.1.0-5.1-254 , or
fe80::202:e3ff:fe14:1102 . The af parameter is AF_INET or
AF_INET6 Returns 0 for success */
int parse_expr(const char * const target_expr, int af);
/* Reset the object without reinitializing it */
int rewind();
/* Grab the next host from this expression (if any). Returns 0 and
fills in ss if successful. ss must point to a pre-allocated
sockaddr_storage structure */
int get_next_host(struct sockaddr_storage *ss, size_t *sslen);
/* Returns the last given host, so that it will be given again next
time get_next_host is called. Obviously, you should only call
this if you have fetched at least 1 host since parse_expr() was
called */
int return_last_host();
/* return the target type */
char get_targets_type() {return targets_type;};
/* get the netmask */
int get_mask() {return netmask;};
/* is the current expression a named host */
int get_namedhost() {return namedhost;};
/* Skip an octet in the range array */
int skip_range(_octet_nums octet);
private:
enum _targets_types targets_type;
void Initialize();
#if HAVE_IPV6
struct sockaddr_in6 ip6;
#endif
/* These 4 are used for the '/mask' style of specifying target
net (IPV4_NETMASK) */
u32 netmask;
struct in_addr startaddr;
struct in_addr currentaddr;
struct in_addr endaddr;
// These three are for the '138.[1-7,16,91-95,200-].12.1' style (IPV4_RANGES)
u8 addresses[4][256];
unsigned int current[4];
u8 last[4];
/* Number of IPs left in this structure -- set to 0 if
the fields are not valid */
unsigned long long ipsleft;
// is the current target expression a named host
int namedhost;
};
/*****************************************************************************
* STUFF FROM tcpip.cc
****************************************************************************/
int devname2ipaddr_alt(char *dev, struct sockaddr_storage *addr);
void getpts_aux(const char *origexpr, int nested, u8 *porttbl, int *portwarning);
#endif
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