Annotation of embedaddon/hping2/hping2.h, revision 1.1.1.1
1.1 misho 1: /*
2: * $smu-mark$
3: * $name: hping2.h$
4: * $author: Salvatore Sanfilippo <antirez@invece.org>$
5: * $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$
6: * $license: This software is under GPL version 2 of license$
7: * $date: Fri Nov 5 11:55:48 MET 1999$
8: * $rev: 9$
9: */
10:
11: /* $Id: hping2.h,v 1.19 2003/08/07 23:55:55 antirez Exp $ */
12:
13: #ifndef _HPING2_H
14: #define _HPING2_H
15:
16: #include <sys/types.h>
17: #include <sys/socket.h>
18: #include <netinet/in.h>
19: #include "byteorder.h"
20: #include "systype.h"
21:
22: #ifdef __sun__
23: typedef char int_8_t;
24: typedef unsigned char u_int8_t;
25: typedef short int_16_t;
26: typedef unsigned short u_int16_t;
27: typedef int int_32_t;
28: typedef unsigned int u_int32_t;
29: #endif
30:
31: /* types */
32: #ifndef __u8
33: #define __u8 u_int8_t
34: #endif /* __u8 */
35: #ifndef __u16
36: #define __u16 u_int16_t
37: #endif /* __u16 */
38: #ifndef __u32
39: #define __u32 u_int32_t
40: #endif /* __u32 */
41:
42: #ifndef __uint8_t
43: #define __uint8_t u_int8_t
44: #endif /* __uint8_t */
45: #ifndef __uint16_t
46: #define __uint16_t u_int16_t
47: #endif /* __uint16_t */
48: #ifndef __uint32_t
49: #define __uint32_t u_int32_t
50: #endif /* __uint32_t */
51:
52: #include "hcmp.h" /* Hping Control Message Protocol */
53:
54: /* protocols header size */
55: #ifndef ICMPHDR_SIZE
56: #define ICMPHDR_SIZE sizeof(struct myicmphdr)
57: #endif
58: #ifndef UDPHDR_SIZE
59: #define UDPHDR_SIZE sizeof(struct myudphdr)
60: #endif
61: #ifndef TCPHDR_SIZE
62: #define TCPHDR_SIZE sizeof(struct mytcphdr)
63: #endif
64: #ifndef IPHDR_SIZE
65: #define IPHDR_SIZE sizeof(struct myiphdr)
66: #endif
67:
68: /* wait X seconds after reached to sent packets in oreder to display replies */
69: #define COUNTREACHED_TIMEOUT 1
70:
71: /* requests status table stuffs */
72: /* Warning, TABLESIZE 0 == floating point exception */
73: #define TABLESIZE 400
74: #define S_SENT 0
75: #define S_RECV 1
76:
77: /* usefull defines */
78: #ifndef TRUE
79: #define TRUE 1
80: #define FALSE 0
81: #endif
82: #ifndef IFNAMSIZ
83: #define IFNAMSIZ 16
84: #endif
85: #ifndef PF_PACKET
86: #define PF_PACKET 17 /* kernel 2.[12].* with 2.0.* kernel headers? */
87: #endif
88: #ifndef ETH_P_IP
89: #define ETH_P_IP 0x0800 /* Internet Protocol packet */
90: #endif
91: #ifndef ABS
92: #define ABS(x) (((x)>0) ? (x) : -(x))
93: #endif
94:
95: /* header size of some physical layer type */
96: #define PPPHDR_SIZE_LINUX 0
97: #define PPPHDR_SIZE_FREEBSD 4
98: #define PPPHDR_SIZE_OPENBSD 4
99: #define PPPHDR_SIZE_NETBSD 4
100: #define PPPHDR_SIZE_BSDI 4
101: #define ETHHDR_SIZE 14
102: #define LOHDR_SIZE 14
103: #define WLANHDR_SIZE 14
104: #define TRHDR_SIZE 20
105:
106: /* packet size (physical header size + ip header + tcp header + 0 data bytes) */
107: #ifndef IP_MAX_SIZE
108: #define IP_MAX_SIZE 65535
109: #endif
110:
111: /* absolute offsets */
112: #define ABS_OFFSETIP linkhdr_size
113: #define ABS_OFFSETTCP ( linkhdr_size + IPHDR_SIZE )
114: #define ABS_OFFSETICMP ( linkhdr_size + IPHDR_SIZE )
115: #define ABS_OFFSETUDP ( linkhdr_size + IPHDR_SIZE )
116:
117: /* defaults and misc */
118: #define DEFAULT_SENDINGWAIT 1 /* wait 1 sec. between sending each packets */
119: #define DEFAULT_DPORT 0 /* default dest. port */
120: #define DEFAULT_INITSPORT -1 /* default initial source port: -1 means random */
121: #define DEFAULT_COUNT -1 /* default packets count: -1 means forever */
122: #define DEFAULT_TTL 64 /* default ip->ttl value */
123: #define DEFAULT_SRCWINSIZE 512 /* default tcp windows size */
124: #define DEFAULT_VIRTUAL_MTU 16 /* tiny fragments */
125: #define DEFAULT_ICMP_TYPE 8 /* echo request */
126: #define DEFAULT_ICMP_CODE 0 /* icmp-type relative */
127: #define DEFAULT_ICMP_IP_VERSION 4
128: #define DEFAULT_ICMP_IP_IHL (IPHDR_SIZE >> 2)
129: #define DEFAULT_ICMP_IP_TOS 0
130: #define DEFAULT_ICMP_IP_TOT_LEN 0 /* computed by send_icmp_*() */
131: #define DEFAULT_ICMP_IP_ID 0 /* rand */
132: #define DEFAULT_ICMP_CKSUM -1 /* -1 means compute the cksum */
133: #define DEFAULT_ICMP_IP_PROTOCOL 6 /* TCP */
134: #define DEFAULT_RAW_IP_PROTOCOL 6 /* TCP */
135: #define DEFAULT_TRACEROUTE_TTL 1
136:
137: #define BIND_NONE 0 /* no bind */
138: #define BIND_DPORT 1 /* bind destination port */
139: #define BIND_TTL 2 /* bind ip->ttl */
140: #define DEFAULT_BIND BIND_DPORT
141:
142: /* fragmentation defines */
143: #define MF ((unsigned short)0x2000) /* more fragments */
144: #define DF ((unsigned short)0x4000) /* dont fragment */
145: #define NF ((unsigned short)0x0000) /* no more fragments */
146:
147: /* ip options defines */
148: #define IPOPT_COPY 0x80
149: #define IPOPT_CLASS_MASK 0x60
150: #define IPOPT_NUMBER_MASK 0x1f
151:
152: #define IPOPT_COPIED(o) ((o)&IPOPT_COPY)
153: #define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK)
154: #define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK)
155:
156: #define IPOPT_CONTROL 0x00
157: #define IPOPT_RESERVED1 0x20
158: #define IPOPT_MEASUREMENT 0x40
159: #define IPOPT_RESERVED2 0x60
160:
161: #define IPOPT_END (0 |IPOPT_CONTROL)
162: #define IPOPT_NOOP (1 |IPOPT_CONTROL)
163: #define IPOPT_SEC (2 |IPOPT_CONTROL|IPOPT_COPY)
164: #define IPOPT_LSRR (3 |IPOPT_CONTROL|IPOPT_COPY)
165: #define IPOPT_TIMESTAMP (4 |IPOPT_MEASUREMENT)
166: #define IPOPT_RR (7 |IPOPT_CONTROL)
167: #define IPOPT_SID (8 |IPOPT_CONTROL|IPOPT_COPY)
168: #define IPOPT_SSRR (9 |IPOPT_CONTROL|IPOPT_COPY)
169: #define IPOPT_RA (20|IPOPT_CONTROL|IPOPT_COPY)
170:
171: #define IPOPT_OPTVAL 0
172: #define IPOPT_OLEN 1
173: #define IPOPT_OFFSET 2
174: #define IPOPT_MINOFF 4
175: #define MAX_IPOPTLEN 40
176: #define IPOPT_NOP IPOPT_NOOP
177: #define IPOPT_EOL IPOPT_END
178: #define IPOPT_TS IPOPT_TIMESTAMP
179:
180: #define IPOPT_TS_TSONLY 0 /* timestamps only */
181: #define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
182: #define IPOPT_TS_PRESPEC 3 /* specified modules only */
183:
184: /* tcp flags */
185: #ifndef TH_FIN
186: #define TH_FIN 0x01
187: #endif
188: #ifndef TH_SYN
189: #define TH_SYN 0x02
190: #endif
191: #ifndef TH_RST
192: #define TH_RST 0x04
193: #endif
194: #ifndef TH_PUSH
195: #define TH_PUSH 0x08
196: #endif
197: #ifndef TH_ACK
198: #define TH_ACK 0x10
199: #endif
200: #ifndef TH_URG
201: #define TH_URG 0x20
202: #endif
203: #ifndef TH_X
204: #define TH_X 0x40 /* X tcp flag */
205: #endif
206: #ifndef TH_Y
207: #define TH_Y 0x80 /* Y tcp flag */
208: #endif
209:
210: /* ICMP TYPE */
211: #define ICMP_ECHOREPLY 0 /* Echo Reply */
212: #define ICMP_DEST_UNREACH 3 /* Destination Unreachable */
213: #define ICMP_SOURCE_QUENCH 4 /* Source Quench */
214: #define ICMP_REDIRECT 5 /* Redirect (change route) */
215: #define ICMP_ECHO 8 /* Echo Request */
216: #define ICMP_TIME_EXCEEDED 11 /* Time Exceeded */
217: #define ICMP_PARAMETERPROB 12 /* Parameter Problem */
218: #define ICMP_TIMESTAMP 13 /* Timestamp Request */
219: #define ICMP_TIMESTAMPREPLY 14 /* Timestamp Reply */
220: #define ICMP_INFO_REQUEST 15 /* Information Request */
221: #define ICMP_INFO_REPLY 16 /* Information Reply */
222: #define ICMP_ADDRESS 17 /* Address Mask Request */
223: #define ICMP_ADDRESSREPLY 18 /* Address Mask Reply */
224:
225: /* Codes for UNREACHABLE */
226: #define ICMP_NET_UNREACH 0 /* Network Unreachable */
227: #define ICMP_HOST_UNREACH 1 /* Host Unreachable */
228: #define ICMP_PROT_UNREACH 2 /* Protocol Unreachable */
229: #define ICMP_PORT_UNREACH 3 /* Port Unreachable */
230: #define ICMP_FRAG_NEEDED 4 /* Fragmentation Needed/DF set */
231: #define ICMP_SR_FAILED 5 /* Source Route failed */
232: #define ICMP_NET_UNKNOWN 6
233: #define ICMP_HOST_UNKNOWN 7
234: #define ICMP_HOST_ISOLATED 8
235: #define ICMP_NET_ANO 9
236: #define ICMP_HOST_ANO 10
237: #define ICMP_NET_UNR_TOS 11
238: #define ICMP_HOST_UNR_TOS 12
239: #define ICMP_PKT_FILTERED 13 /* Packet filtered */
240: #define ICMP_PREC_VIOLATION 14 /* Precedence violation */
241: #define ICMP_PREC_CUTOFF 15 /* Precedence cut off */
242: #define NR_ICMP_UNREACH 15 /* instead of hardcoding immediate value */
243:
244: /* Codes for REDIRECT */
245: #define ICMP_REDIR_NET 0 /* Redirect Net */
246: #define ICMP_REDIR_HOST 1 /* Redirect Host */
247: #define ICMP_REDIR_NETTOS 2 /* Redirect Net for TOS */
248: #define ICMP_REDIR_HOSTTOS 3 /* Redirect Host for TOS */
249:
250: /* Codes for TIME_EXCEEDED */
251: #define ICMP_EXC_TTL 0 /* TTL count exceeded */
252: #define ICMP_EXC_FRAGTIME 1 /* Fragment Reass time exceeded */
253:
254: /*
255: * IP header
256: */
257: struct myiphdr {
258: #if defined(__LITTLE_ENDIAN_BITFIELD)
259: __u8 ihl:4,
260: version:4;
261: #elif defined (__BIG_ENDIAN_BITFIELD)
262: __u8 version:4,
263: ihl:4;
264: #else
265: #error "Please, edit Makefile and add -D__(LITTLE|BIG)_ENDIAN_BITFIEND"
266: #endif
267: __u8 tos;
268: __u16 tot_len;
269: __u16 id;
270: __u16 frag_off;
271: __u8 ttl;
272: __u8 protocol;
273: __u16 check;
274: __u32 saddr;
275: __u32 daddr;
276: };
277:
278: /*
279: * UDP header
280: */
281: struct myudphdr {
282: __u16 uh_sport; /* source port */
283: __u16 uh_dport; /* destination port */
284: __u16 uh_ulen; /* udp length */
285: __u16 uh_sum; /* udp checksum */
286: };
287:
288: /*
289: * TCP header.
290: * Per RFC 793, September, 1981.
291: */
292: struct mytcphdr {
293: __u16 th_sport; /* source port */
294: __u16 th_dport; /* destination port */
295: __u32 th_seq; /* sequence number */
296: __u32 th_ack; /* acknowledgement number */
297: #if defined (__LITTLE_ENDIAN_BITFIELD)
298: __u8 th_x2:4, /* (unused) */
299: th_off:4; /* data offset */
300: #elif defined (__BIG_ENDIAN_BITFIELD)
301: __u8 th_off:4, /* data offset */
302: th_x2:4; /* (unused) */
303: #else
304: #error "Please, edit Makefile and add -D__(LITTLE|BIG)_ENDIAN_BITFIEND"
305: #endif
306: __u8 th_flags;
307: __u16 th_win; /* window */
308: __u16 th_sum; /* checksum */
309: __u16 th_urp; /* urgent pointer */
310: };
311:
312: /*
313: * ICMP header
314: */
315: struct myicmphdr
316: {
317: __u8 type;
318: __u8 code;
319: __u16 checksum;
320: union
321: {
322: struct
323: {
324: __u16 id;
325: __u16 sequence;
326: } echo;
327: __u32 gateway;
328: } un;
329: };
330:
331: struct icmp_tstamp_data {
332: __u32 orig;
333: __u32 recv;
334: __u32 tran;
335: };
336:
337: /*
338: * UDP/TCP pseudo header
339: * for cksum computing
340: */
341: struct pseudohdr
342: {
343: __u32 saddr;
344: __u32 daddr;
345: __u8 zero;
346: __u8 protocol;
347: __u16 lenght;
348: };
349:
350: #define PSEUDOHDR_SIZE sizeof(struct pseudohdr)
351:
352: /*
353: * hping replies delay table
354: */
355: struct delaytable_element {
356: int seq;
357: int src;
358: time_t sec;
359: time_t usec;
360: int status;
361: };
362:
363: volatile struct delaytable_element delaytable[TABLESIZE];
364:
365: /* protos */
366: void nop(void); /* nop */
367: int parse_options(int, char**); /* option parser */
368: int get_if_name(void); /* get interface (see source) */
369: int get_linkhdr_size(char*); /* get link layer hdr size */
370: int open_sockpacket(void); /* open SOCK_PACKET socket */
371: int close_sockpacket(int); /* close SOCK_PACKET socket */
372: int open_sockraw(void); /* open raw socket */
373: void send_packet (int signal_id);
374: void send_rawip (void);
375: void send_tcp(void);
376: void send_udp(void);
377: void send_icmp(void);
378: void send_hcmp(__u8 type, __u32 arg); /* send hcmp packets */
379: void send_ip (char*, char*, char*, unsigned int, int, unsigned short,
380: char*, char);
381: void send_ip_handler(char *packet, unsigned int size); /* fragmentation
382: handler */
383: void wait_packet(void); /* handle incoming packets */
384: void print_statistics(int);
385: void show_usage(void);
386: void show_version(void);
387: void resolve(struct sockaddr*, char*); /* resolver */
388: void log_icmp_unreach(char*, unsigned short);/* ICMP unreachable logger */
389: void log_icmp_timeexc(char*, unsigned short);/* ICMP time exceeded logger */
390: time_t get_usec(void); /* return current usec */
391: time_t get_midnight_ut_ms(void); /* ms from UT midnight */
392: __u16 cksum(__u16 *buf, int nwords); /* compute 16bit checksum */
393: void inc_destparm(int sid); /* inc dst port or ttl */
394: char *get_hostname(char*); /* get host from addr */
395: void datafiller(char *p, int size); /* fill data from file */
396: void data_handler(char *data, int data_size);/* handle data filling */
397: void socket_broadcast(int sd); /* set SO_BROADCAST option */
398: void socket_iphdrincl(int sd); /* set SO_IPHDRINCL option */
399: void listenmain(void); /* main for listen mode */
400: char *memstr(char *haystack, char *needle, int size); /* memstr */
401: void tos_help(void); /* show the TOS help */
402: int rtt(int *seqp, int recvport, float *ms_delay); /* compute round trip time */
403: int relativize_id(int seqnum, int *ip_id); /* compute relative id */
404: int if_promisc_on(int s); /* promisc. mode ON */
405: int if_promisc_off(int s); /* promisc. mode OFF */
406: int open_pcap(void); /* open libpcap socket */
407: int close_pcap(void); /* close libpcap socket */
408: int pcap_recv(char *, unsigned int); /* libpcap api wrapper */
409: int memlock(char *addr, size_t size); /* disable paging */
410: int memunlock(char *addr, size_t size); /* enable paging */
411: int memlockall(void); /* disable paging (all pages) */
412: int memunlockall(void); /* enable paging (all pages) */
413: unsigned char ip_opt_build(char *ip_opt); /* build ip options */
414: void display_ipopt(char* buf); /* display ip options */
415: void icmp_help(void); /* show the ICMP help */
416: void route_help(void); /* show the route help */
417: void (*Signal(int signo, void (*func)(int)))(int);
418: void delaytable_add(int seq, int src, time_t sec, time_t usec, int status);
419: int read_packet(void *packet, int size);
420: void scanmain(void);
421: u_int32_t hp_rand(void);
422: #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && \
423: !defined(__bsdi__) && !defined(__APPLE__)
424: size_t strlcpy(char *dst, const char *src, size_t siz);
425: #endif
426:
427: /* ARS glue */
428: void hping_ars_send(char *s);
429:
430: #endif /* _HPING2_H */
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