Annotation of embedaddon/hping2/hping2.h, revision 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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