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/***************************************************************************
* NewTargets.h -- The "NewTargets" class allows NSE scripts to add new *
* targets to the scan queue. *
***********************IMPORTANT NMAP LICENSE TERMS************************
*
* The Nmap Security Scanner is (C) 1996-2025 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: NewTargets.h 39083 2025-02-26 17:44:43Z dmiller $ */
#ifndef NEWTARGETS_H
#define NEWTARGETS_H
#include <queue>
#include <set>
#include <string>
/* Adding new targets is for NSE scripts */
class NewTargets {
public:
/* return a previous inserted target */
static std::string read (void);
/* get the number of all new added targets */
static unsigned long get_number (void);
/* get the number of queued targets left to scan */
static unsigned long get_queued (void);
/* Free the new_targets object. */
static void free_new_targets (void);
/* insert targets to the new_targets_queue */
static unsigned long insert (const char *target);
private:
NewTargets() {};
/* A queue to push new targets that were discovered by NSE scripts.
* Nmap will pop future targets from this queue. */
std::queue<std::string> queue;
/* A cache to save scanned targets specifications.
* (These are targets that were pushed to Nmap scan queue) */
std::set<std::string> history;
/* Save new targets onto the queue */
unsigned long push (const char *target);
static NewTargets *new_targets;
};
#endif /* NEWTARGETS_H */
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