mirror of
https://github.com/nmap/nmap.git
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139 lines
6.4 KiB
C++
139 lines
6.4 KiB
C++
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/***************************************************************************
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* NmapOutputTable.h -- A relatively simple class for organizing Nmap *
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* output into an orderly table for display to the user. *
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* *
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***********************IMPORTANT NMAP LICENSE TERMS************************
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*
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* The Nmap Security Scanner is (C) 1996-2023 Nmap Software LLC ("The Nmap
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* Project"). Nmap is also a registered trademark of the Nmap Project.
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*
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* This program is distributed under the terms of the Nmap Public Source
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* License (NPSL). The exact license text applying to a particular Nmap
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* release or source code control revision is contained in the LICENSE
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* file distributed with that version of Nmap or source code control
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* revision. More Nmap copyright/legal information is available from
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* https://nmap.org/book/man-legal.html, and further information on the
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* NPSL license itself can be found at https://nmap.org/npsl/ . This
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* header summarizes some key points from the Nmap license, but is no
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* substitute for the actual license text.
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*
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* Nmap is generally free for end users to download and use themselves,
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* including commercial use. It is available from https://nmap.org.
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*
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* The Nmap license generally prohibits companies from using and
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* redistributing Nmap in commercial products, but we sell a special Nmap
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* OEM Edition with a more permissive license and special features for
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* this purpose. See https://nmap.org/oem/
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*
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* If you have received a written Nmap license agreement or contract
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* stating terms other than these (such as an Nmap OEM license), you may
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* choose to use and redistribute Nmap under those terms instead.
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*
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* The official Nmap Windows builds include the Npcap software
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* (https://npcap.com) for packet capture and transmission. It is under
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* separate license terms which forbid redistribution without special
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* permission. So the official Nmap Windows builds may not be redistributed
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* without special permission (such as an Nmap OEM license).
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*
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* Source is provided to this software because we believe users have a
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* right to know exactly what a program is going to do before they run it.
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* This also allows you to audit the software for security holes.
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*
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* Source code also allows you to port Nmap to new platforms, fix bugs, and add
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* new features. You are highly encouraged to submit your changes as a Github PR
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* or by email to the dev@nmap.org mailing list for possible incorporation into
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* the main distribution. Unless you specify otherwise, it is understood that
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* you are offering us very broad rights to use your submissions as described in
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* the Nmap Public Source License Contributor Agreement. This is important
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* because we fund the project by selling licenses with various terms, and also
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* because the inability to relicense code has caused devastating problems for
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* other Free Software projects (such as KDE and NASM).
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*
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* The free version of Nmap is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Warranties,
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* indemnification and commercial support are all available through the
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* Npcap OEM program--see https://nmap.org/oem/
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*
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***************************************************************************/
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/* $Id$ */
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#ifndef NMAPOUTPUTTABLE_H
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#define NMAPOUTPUTTABLE_H
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/* Keep assert() defined for security reasons */
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#undef NDEBUG
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#include <assert.h>
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#include "nbase.h" /* __attribute__ */
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/********************** DEFINES/ENUMS ***********************************/
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/********************** STRUCTURES ***********************************/
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/********************** CLASSES ***********************************/
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struct NmapOutputTableCell {
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char *str;
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int strlength;
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bool weAllocated; // If we allocated str, we must free it.
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bool fullrow;
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};
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class NmapOutputTable {
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public:
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// Create a table of the given dimensions. Any completely
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// blank rows will be removed when printableTable() is called.
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// If the number of table rows is unknown then the highest
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// number of possible rows should be specified.
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NmapOutputTable(int nrows, int ncols);
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~NmapOutputTable();
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// Copy specifies whether we must make a copy of item. Otherwise we'll just save the
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// ptr (and you better not free it until this table is destroyed ). Skip the itemlen parameter if you
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// don't know (and the function will use strlen).
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void addItem(unsigned int row, unsigned int column, bool copy, const char *item, int itemlen = -1);
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// Same as above but if fullrow is true, 'item' spans across all columns. The spanning starts from
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// the column argument (ie. 0 will be the first column)
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void addItem(unsigned int row, unsigned int column, bool fullrow, bool copy, const char *item, int itemlen = -1);
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// Like addItem except this version takes a printf-style format string followed by varargs
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void addItemFormatted(unsigned int row, unsigned int column, bool fullrow, const char *fmt, ...)
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__attribute__ ((format (printf, 5, 6))); // Offset by 1 to account for implicit "this" parameter.
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// This function sticks the entire table into a character buffer.
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// Note that the buffer is likely to be reused if you call the
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// function again, and it will also be invalidated if you free the
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// table. If size is not NULL, it will be filled with the size of
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// the ASCII table in bytes (not including the terminating NUL)
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// All blank rows will be removed from the returned string
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char *printableTable(int *size);
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private:
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bool emptyRow(unsigned int nrow);
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// The table, squished into 1D. Access a member via getCellAddy
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struct NmapOutputTableCell *table;
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struct NmapOutputTableCell *getCellAddy(unsigned int row, unsigned int col) {
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assert(row < numRows); assert(col < numColumns);
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return table + row * numColumns + col;
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}
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int *maxColLen; // An array that gives the maximum length of any member of each column
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// (excluding terminator)
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// Array that tells the number of valid (> 0 length) items in each row
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int *itemsInRow;
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unsigned int numRows;
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unsigned int numColumns;
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char *tableout; // If printableTable() is called, we return this
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int tableoutsz; // Amount of space ALLOCATED for tableout. Includes space allocated for NUL.
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};
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/********************** PROTOTYPES ***********************************/
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#endif /* NMAPOUTPUTTABLE_H */
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