nmap.h

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#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif

#include <math.h>
#include <assert.h>

#if HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif

/*#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  ************/

#ifndef NMAP_VERSION
/* Edit this definition only within the quotes, because it is read from this
   file by the makefiles. */
#define NMAP_VERSION "4.53"
#define NMAP_NUM_VERSION "4.53.0.0"
#endif

/* 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 FAKE_ARGV "pine" /* What ps and w should show if you use -q */
/* How do we want to log into ftp sites for */ 
#define FTPUSER "anonymous"
#define FTPPASS "-wwwuser@"
#define FTP_RETRIES 2 /* How many times should we relogin if we lose control
                         connection? */
#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_SPEC "80" /* The ports TCP probes go to if
                                            unspecified by user -- uber hackers
                                            change this to 113 */
#define DEFAULT_UDP_PROBE_PORT_SPEC "31338" /* The port UDP probes (esp. "ping"
                                               probes) go to if unspecified by
                                               user */
#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? */

#define MAXFALLBACKS 20 /* How many comma separated fallbacks are allowed in the service-probes file? */

/* 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

/* Maximum number of extra hostnames, OSs, and devices, we
   consider when outputing 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 */

#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 HOST_FIREWALLED 4 
#define HOST_BROADCAST 8 /* use the wierd_responses member of hoststruct instead */

#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
#define PINGTYPE_PROTO 2048

#define DEFAULT_PING_TYPES PINGTYPE_TCP|PINGTYPE_TCP_USE_ACK|PINGTYPE_ICMP_PING

/* OS scan */
#define OS_SCAN_DEFAULT 9

/* How many syn packets do we send to TCP sequence a host? */
#define NUM_SEQ_SAMPLES 6

/* The max length of each line of the subject fingerprint when
   wrapped. */
#define FP_RESULT_WRAP_LINE_LEN 74

/* TCP/IP ISN sequence prediction classes */
#define SEQ_UNKNOWN 0
#define SEQ_64K 1
#define SEQ_TD 2
#define SEQ_RI 4
#define SEQ_TR 8
#define SEQ_i800 16
#define SEQ_CONSTANT 32

/* TCP Timestamp Sequence */
#define TS_SEQ_UNKNOWN 0
#define TS_SEQ_ZERO 1 /* At least one of the timestamps we received back was 0 */
#define TS_SEQ_2HZ 2
#define TS_SEQ_100HZ 3
#define TS_SEQ_1000HZ 4
#define TS_SEQ_OTHER_NUM 5
#define TS_SEQ_UNSUPPORTED 6 /* System didn't send back a timestamp */

#define IPID_SEQ_UNKNOWN 0
#define IPID_SEQ_INCR 1  /* simple increment by one each time */
#define IPID_SEQ_BROKEN_INCR 2 /* Stupid MS -- forgot htons() so it 
                                  counts by 256 on little-endian platforms */
#define IPID_SEQ_RPI 3 /* Goes up each time but by a "random" positive 
                          increment */
#define IPID_SEQ_RD 4 /* Appears to select IPID using a "random" distributions (meaning it can go up or down) */
#define IPID_SEQ_CONSTANT 5 /* Contains 1 or more sequential duplicates */
#define IPID_SEQ_ZERO 6 /* Every packet that comes back has an IP.ID of 0 (eg Linux 2.4 does this) */

#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 64
#endif

#ifndef recvfrom6_t
#  define recvfrom6_t int
#endif

/********************** LOCAL INCLUDES *****************************/

#include "global_structures.h"

/***********************STRUCTURES**********************************/

/* Moved to global_structures.h */

/***********************PROTOTYPES**********************************/

/* print Interactive usage information */
void printinteractiveusage();

int ftp_anon_connect(struct ftpinfo *ftp);

/* port manipulators */
struct scan_lists *getpts(char *expr); /* someone stole the name getports()! */
void getpts_simple(char *origexpr, int range_type,
                   unsigned short **list, int *count);
void free_scan_lists(struct scan_lists *ports);

/* socket manipulation functions */
void init_socket(int sd);

/* Renamed main so that interactive mode could preprocess when neccessary */
int nmap_main(int argc, char *argv[]);

void nmap_free_mem();

/* general helper functions */
int parse_targets(struct targets *targets, char *h);
char *statenum2str(int state);
char *scantype2str(stype scantype);
void sigdie(int signo);
void reaper(int signo);
char *seqreport(struct seq_info *seq);
char *seqreport1(struct seq_info *seq);
char *seqclass2ascii(int clas);
char *ipidclass2ascii(int seqclass);
char *tsseqclass2ascii(int seqclass);

/* Convert a TCP sequence prediction difficulty index like 1264386
   into a difficulty string like "Worthy Challenge */
const char *seqidx2difficultystr(unsigned long idx);
const char *seqidx2difficultystr1(unsigned long idx);
int nmap_fetchfile(char *filename_returned, int bufferlen, char *file);
int nmap_fileexistsandisreadable(char* pathname);
int gather_logfile_resumption_state(char *fname, int *myargc, char ***myargv);

#endif /* NMAP_H */