| ping.c (109733) | ping.c (109734) |
|---|---|
| 1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Mike Muuss. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 31 unchanged lines hidden (view full) --- 40 The Regents of the University of California. All rights reserved.\n"; 41#endif /* not lint */ 42 43#ifndef lint 44#if 0 45static char sccsid[] = "@(#)ping.c 8.1 (Berkeley) 6/5/93"; 46#endif 47static const char rcsid[] = | 1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Mike Muuss. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 31 unchanged lines hidden (view full) --- 40 The Regents of the University of California. All rights reserved.\n"; 41#endif /* not lint */ 42 43#ifndef lint 44#if 0 45static char sccsid[] = "@(#)ping.c 8.1 (Berkeley) 6/5/93"; 46#endif 47static const char rcsid[] = |
| 48 "$FreeBSD: head/sbin/ping/ping.c 109733 2003-01-23 12:56:10Z maxim $"; | 48 "$FreeBSD: head/sbin/ping/ping.c 109734 2003-01-23 13:04:42Z maxim $"; |
| 49#endif /* not lint */ 50 51/* 52 * P I N G . C 53 * 54 * Using the Internet Control Message Protocol (ICMP) "ECHO" facility, 55 * measure round-trip-delays and packet loss across network paths. 56 * --- 42 unchanged lines hidden (view full) --- 99#define INADDR_LEN ((int)sizeof(in_addr_t)) 100#define PHDR_LEN ((int)sizeof(struct timeval)) 101#define DEFDATALEN (64 - PHDR_LEN) /* default data length */ 102#define FLOOD_BACKOFF 20000 /* usecs to back off if F_FLOOD mode */ 103 /* runs out of buffer space */ 104#define MAXIPLEN (sizeof(struct ip) + MAX_IPOPTLEN) 105#define MAXICMPLEN (ICMP_ADVLENMIN + MAX_IPOPTLEN) 106#define MINICMPLEN ICMP_MINLEN | 49#endif /* not lint */ 50 51/* 52 * P I N G . C 53 * 54 * Using the Internet Control Message Protocol (ICMP) "ECHO" facility, 55 * measure round-trip-delays and packet loss across network paths. 56 * --- 42 unchanged lines hidden (view full) --- 99#define INADDR_LEN ((int)sizeof(in_addr_t)) 100#define PHDR_LEN ((int)sizeof(struct timeval)) 101#define DEFDATALEN (64 - PHDR_LEN) /* default data length */ 102#define FLOOD_BACKOFF 20000 /* usecs to back off if F_FLOOD mode */ 103 /* runs out of buffer space */ 104#define MAXIPLEN (sizeof(struct ip) + MAX_IPOPTLEN) 105#define MAXICMPLEN (ICMP_ADVLENMIN + MAX_IPOPTLEN) 106#define MINICMPLEN ICMP_MINLEN |
| 107#define MAXPAYLOAD (IP_MAXPACKET - MAXIPLEN - MINICMPLEN) | |
| 108#define MAXWAIT 10 /* max seconds to wait for response */ 109#define MAXALARM (60 * 60) /* max seconds for alarm timeout */ 110#define MAXTOS 255 111 112#define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */ 113#define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */ 114#define SET(bit) (A(bit) |= B(bit)) 115#define CLR(bit) (A(bit) &= (~B(bit))) --- 30 unchanged lines hidden (view full) --- 146 * number of received sequence numbers we can keep track of. Change 128 147 * to 8192 for complete accuracy... 148 */ 149#define MAX_DUP_CHK (8 * 128) 150int mx_dup_ck = MAX_DUP_CHK; 151char rcvd_tbl[MAX_DUP_CHK / 8]; 152 153struct sockaddr_in whereto; /* who to ping */ | 107#define MAXWAIT 10 /* max seconds to wait for response */ 108#define MAXALARM (60 * 60) /* max seconds for alarm timeout */ 109#define MAXTOS 255 110 111#define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */ 112#define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */ 113#define SET(bit) (A(bit) |= B(bit)) 114#define CLR(bit) (A(bit) &= (~B(bit))) --- 30 unchanged lines hidden (view full) --- 145 * number of received sequence numbers we can keep track of. Change 128 146 * to 8192 for complete accuracy... 147 */ 148#define MAX_DUP_CHK (8 * 128) 149int mx_dup_ck = MAX_DUP_CHK; 150char rcvd_tbl[MAX_DUP_CHK / 8]; 151 152struct sockaddr_in whereto; /* who to ping */ |
| 153long maxpayload; |
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| 154int datalen = DEFDATALEN; 155int s; /* socket file descriptor */ 156u_char outpackhdr[IP_MAXPACKET], *outpack; 157char BBELL = '\a'; /* characters written for MISSED and AUDIBLE */ 158char BSPACE = '\b'; /* characters written for flood */ 159char DOT = '.'; 160char *hostname; 161char *shostname; --- 184 unchanged lines hidden (view full) --- 346 break; 347 case 'R': 348 options |= F_RROUTE; 349 break; 350 case 'r': 351 options |= F_SO_DONTROUTE; 352 break; 353 case 's': /* size of packet to send */ | 154int datalen = DEFDATALEN; 155int s; /* socket file descriptor */ 156u_char outpackhdr[IP_MAXPACKET], *outpack; 157char BBELL = '\a'; /* characters written for MISSED and AUDIBLE */ 158char BSPACE = '\b'; /* characters written for flood */ 159char DOT = '.'; 160char *hostname; 161char *shostname; --- 184 unchanged lines hidden (view full) --- 346 break; 347 case 'R': 348 options |= F_RROUTE; 349 break; 350 case 'r': 351 options |= F_SO_DONTROUTE; 352 break; 353 case 's': /* size of packet to send */ |
| 354 if (uid) { 355 errno = EPERM; 356 err(EX_NOPERM, "-s flag"); 357 } | |
| 358 ultmp = strtoul(optarg, &ep, 0); | 354 ultmp = strtoul(optarg, &ep, 0); |
| 359 if (ultmp > MAXPAYLOAD) 360 errx(EX_USAGE, 361 "packet size too large: %lu > %u", 362 ultmp, MAXPAYLOAD); | |
| 363 if (*ep || ep == optarg) 364 errx(EX_USAGE, "invalid packet size: `%s'", 365 optarg); | 355 if (*ep || ep == optarg) 356 errx(EX_USAGE, "invalid packet size: `%s'", 357 optarg); |
| 358 if (uid != 0 && ultmp > DEFDATALEN) { 359 errno = EPERM; 360 err(EX_NOPERM, 361 "packet size too large: %lu > %u", 362 ultmp, DEFDATALEN); 363 } |
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| 366 datalen = ultmp; 367 break; 368 case 'S': 369 source = optarg; 370 break; 371 case 't': 372 alarmtimeout = strtoul(optarg, &ep, 0); 373 if ((alarmtimeout < 1) || (alarmtimeout == ULONG_MAX)) --- 39 unchanged lines hidden (view full) --- 413 usage(); 414 } 415 } 416 417 if (argc - optind != 1) 418 usage(); 419 target = argv[optind]; 420 | 364 datalen = ultmp; 365 break; 366 case 'S': 367 source = optarg; 368 break; 369 case 't': 370 alarmtimeout = strtoul(optarg, &ep, 0); 371 if ((alarmtimeout < 1) || (alarmtimeout == ULONG_MAX)) --- 39 unchanged lines hidden (view full) --- 411 usage(); 412 } 413 } 414 415 if (argc - optind != 1) 416 usage(); 417 target = argv[optind]; 418 |
| 419 maxpayload = IP_MAXPACKET - sizeof(struct ip) - MINICMPLEN; 420 if (options & F_RROUTE) 421 maxpayload -= MAX_IPOPTLEN; 422 if (datalen > maxpayload) 423 errx(EX_USAGE, "packet size too large: %lu > %u", datalen, 424 maxpayload); |
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| 421 if (source) { 422 bzero((char *)&sin, sizeof(sin)); 423 sin.sin_family = AF_INET; 424 if (inet_aton(source, &sin.sin_addr) != 0) { 425 shostname = source; 426 } else { 427 hp = gethostbyname2(source, AF_INET); 428 if (!hp) --- 1043 unchanged lines hidden (view full) --- 1472 } 1473 ii = sscanf(patp, 1474 "%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x", 1475 &pat[0], &pat[1], &pat[2], &pat[3], &pat[4], &pat[5], &pat[6], 1476 &pat[7], &pat[8], &pat[9], &pat[10], &pat[11], &pat[12], 1477 &pat[13], &pat[14], &pat[15]); 1478 1479 if (ii > 0) | 425 if (source) { 426 bzero((char *)&sin, sizeof(sin)); 427 sin.sin_family = AF_INET; 428 if (inet_aton(source, &sin.sin_addr) != 0) { 429 shostname = source; 430 } else { 431 hp = gethostbyname2(source, AF_INET); 432 if (!hp) --- 1043 unchanged lines hidden (view full) --- 1476 } 1477 ii = sscanf(patp, 1478 "%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x", 1479 &pat[0], &pat[1], &pat[2], &pat[3], &pat[4], &pat[5], &pat[6], 1480 &pat[7], &pat[8], &pat[9], &pat[10], &pat[11], &pat[12], 1481 &pat[13], &pat[14], &pat[15]); 1482 1483 if (ii > 0) |
| 1480 for (kk = 0; kk <= MAXPAYLOAD - (PHDR_LEN + ii); kk += ii) | 1484 for (kk = 0; kk <= maxpayload - (PHDR_LEN + ii); kk += ii) |
| 1481 for (jj = 0; jj < ii; ++jj) 1482 bp[jj + kk] = pat[jj]; 1483 if (!(options & F_QUIET)) { 1484 (void)printf("PATTERN: 0x"); 1485 for (jj = 0; jj < ii; ++jj) 1486 (void)printf("%02x", bp[jj] & 0xFF); 1487 (void)printf("\n"); 1488 } --- 17 unchanged lines hidden --- | 1485 for (jj = 0; jj < ii; ++jj) 1486 bp[jj + kk] = pat[jj]; 1487 if (!(options & F_QUIET)) { 1488 (void)printf("PATTERN: 0x"); 1489 for (jj = 0; jj < ii; ++jj) 1490 (void)printf("%02x", bp[jj] & 0xFF); 1491 (void)printf("\n"); 1492 } --- 17 unchanged lines hidden --- |