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/***************************************************************************
* main.cc -- Contains the main() function of Nmap. Note that main() *
* does very little except for calling nmap_main() (which is in nmap.cc) *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
*
* The Nmap Security Scanner is (C) 1996-2023 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/
*
***************************************************************************/
/* $Id$ */
#include <signal.h>
#include <locale.h>
#include "nmap.h"
#include "NmapOps.h"
#include "utils.h"
#include "nmap_error.h"
#ifdef MTRACE
#include "mcheck.h"
#endif
#ifdef __amigaos__
#include <proto/exec.h>
#include <proto/dos.h>
#include "nmap_amigaos.h"
struct Library *SocketBase = NULL, *MiamiBase = NULL, *MiamiBPFBase = NULL, *MiamiPCapBase = NULL;
static const char ver[] = "$VER:" NMAP_NAME " v"NMAP_VERSION " [Amiga.sf]";
static void CloseLibs(void) {
if (MiamiPCapBase ) CloseLibrary( MiamiPCapBase );
if (MiamiBPFBase ) CloseLibrary( MiamiBPFBase );
if ( SocketBase ) CloseLibrary( SocketBase );
if ( MiamiBase ) CloseLibrary( MiamiBase );
}
static BOOL OpenLibs(void) {
if(!( MiamiBase = OpenLibrary(MIAMINAME,21))) return FALSE;
if(!( SocketBase = OpenLibrary("bsdsocket.library", 4))) return FALSE;
if(!( MiamiBPFBase = OpenLibrary(MIAMIBPFNAME,3))) return FALSE;
if(!(MiamiPCapBase = OpenLibrary(MIAMIPCAPNAME,5))) return FALSE;
atexit(CloseLibs);
return TRUE;
}
#endif
/* global options */
extern NmapOps o; /* option structure */
extern void set_program_name(const char *name);
int main(int argc, char *argv[]) {
/* The "real" main is nmap_main(). This function hijacks control at the
beginning to do the following:
1) Check the environment variable NMAP_ARGS.
2) Check if Nmap was called with --resume.
3) Resume a previous scan or just call nmap_main.
*/
char command[2048];
int myargc;
char **myargv = NULL;
char *cptr;
int ret;
int i;
o.locale = strdup(setlocale(LC_CTYPE, NULL));
set_program_name(argv[0]);
#ifdef __amigaos__
if(!OpenLibs()) {
error("Couldn't open TCP/IP Stack Library(s)!");
exit(20);
}
MiamiBPFInit((struct Library *)MiamiBase, (struct Library *)SocketBase);
MiamiPCapInit((struct Library *)MiamiBase, (struct Library *)SocketBase);
#endif
#ifdef MTRACE
// This glibc extension enables memory tracing to detect memory
// leaks, frees of unallocated memory, etc.
// See http://www.gnu.org/manual/glibc-2.2.5/html_node/Allocation-Debugging.html#Allocation%20Debugging .
// It only works if the environment variable MALLOC_TRACE is set to a file
// which a memory usage log will be written to. After the program quits
// I can analyze the log via the command 'mtrace [binaryiran] [logfile]'
// MTRACE should only be defined during debug sessions.
mtrace();
#endif
if ((cptr = getenv("NMAP_ARGS"))) {
if (Snprintf(command, sizeof(command), "nmap %s", cptr) >= (int) sizeof(command)) {
error("Warning: NMAP_ARGS variable is too long, truncated");
}
/* copy rest of command-line arguments */
for (i = 1; i < argc && strlen(command) + strlen(argv[i]) + 1 < sizeof(command); i++) {
strcat(command, " ");
strcat(command, argv[i]);
}
myargc = arg_parse(command, &myargv);
if (myargc < 1) {
fatal("NMAP_ARGS variable could not be parsed");
}
ret = nmap_main(myargc, myargv);
arg_parse_free(myargv);
return ret;
}
if (argc == 3 && strcmp("--resume", argv[1]) == 0) {
/* OK, they want to resume an aborted scan given the log file specified.
Lets gather our state from the log file */
if (gather_logfile_resumption_state(argv[2], &myargc, &myargv) == -1) {
fatal("Cannot resume from (supposed) log file %s", argv[2]);
}
o.resuming = true;
return nmap_main(myargc, myargv);
}
return nmap_main(argc, argv);
}
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