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Lines 76-81
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| 76 |
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76 |
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| 77 |
struct cidr *targets = NULL, *excludes = NULL; |
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struct cidr *targets = NULL, *excludes = NULL; |
| 78 |
u_char target_mac[ETHER_ADDR_LEN]; /* target MAC address */ |
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u_char target_mac[ETHER_ADDR_LEN]; /* target MAC address */ |
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int verbose = 0; |
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80 |
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| 80 |
/* |
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/* |
| 81 |
ARP filter program |
82 |
ARP filter program |
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Lines 241-247
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| 241 |
return(0); |
242 |
return(0); |
| 242 |
} |
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} |
| 243 |
if (ntohl(*(u_int32_t *)(arp->arp_tpa)) == ntohl(*(u_int32_t *)(arp->arp_spa))) { |
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if (ntohl(*(u_int32_t *)(arp->arp_tpa)) == ntohl(*(u_int32_t *)(arp->arp_spa))) { |
| 244 |
fprintf(stderr,"checkarp: WARNING: sender equal dest.\n"); |
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if (verbose != 0) |
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fprintf(stderr,"checkarp: WARNING: sender equal dest.\n"); |
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return(0); |
| 248 |
} |
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if (0 == ntohl(*(u_int32_t *)(arp->arp_spa))) { |
| 250 |
if (verbose != 0) |
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fprintf(stderr,"checkarp: WARNING: zero sender address.\n"); |
| 245 |
return(0); |
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return(0); |
| 246 |
} |
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} |
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target_ip = ntohl(*(u_int32_t *)(arp->arp_tpa)); |
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target_ip = ntohl(*(u_int32_t *)(arp->arp_tpa)); |
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Lines 376-388
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| 376 |
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383 |
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| 377 |
void |
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void |
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usage(void){ |
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usage(void){ |
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fprintf(stderr,"usage: choparp if_name mac_addr [-]addr/mask...\n"); |
386 |
fprintf(stderr,"usage: choparp [-v] if_name mac_addr [-]addr/mask...\n"); |
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exit(-1); |
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exit(-1); |
| 381 |
} |
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} |
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389 |
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| 383 |
int |
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int |
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main(int argc, char **argv){ |
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main(int argc, char **argv){ |
| 385 |
int fd; |
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int ch, fd; |
| 386 |
char *buf, *ifname; |
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char *buf, *ifname; |
| 387 |
struct cidr **targets_tail = &targets, **excludes_tail = &excludes; |
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struct cidr **targets_tail = &targets, **excludes_tail = &excludes; |
| 388 |
#define APPEND(LIST,ADDR,MASK) \ |
395 |
#define APPEND(LIST,ADDR,MASK) \ |
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Lines 395-407
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| 395 |
} while (0) |
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} while (0) |
| 396 |
size_t buflen; |
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size_t buflen; |
| 397 |
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| 398 |
if (argc < 4) |
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while ((ch = getopt(argc, argv, "v")) != -1) |
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switch (ch) { |
| 407 |
case 'v': |
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verbose++; |
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break; |
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default: |
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usage(); |
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} |
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argc -= optind; |
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argv += optind; |
| 415 |
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| 416 |
if (argc < 3) |
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usage(); |
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usage(); |
| 400 |
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418 |
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ifname = argv[1]; |
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ifname = argv[0]; |
| 402 |
if (setmac(argv[2], ifname)) |
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if (setmac(argv[1], ifname)) |
| 403 |
usage(); |
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usage(); |
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argv += 3; argc -= 3; |
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argv += 2; argc -= 2; |
| 405 |
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423 |
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| 406 |
while (argc > 0) { |
424 |
while (argc > 0) { |
| 407 |
u_int32_t addr, mask = ~0; |
425 |
u_int32_t addr, mask = ~0; |