| rarpd.c (1.22) | rarpd.c (1.23) |
|---|---|
| 1/* $NetBSD: rarpd.c,v 1.22 1997/11/24 18:43:16 is Exp $ */ | 1/* $NetBSD: rarpd.c,v 1.23 1998/03/23 08:44:07 fair Exp $ */ |
| 2 3/* 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that: (1) source code distributions 9 * retain the above copyright notice and this paragraph in its entirety, (2) --- 13 unchanged lines hidden (view full) --- 23#include <sys/cdefs.h> 24#ifndef lint 25__COPYRIGHT( 26 "@(#) Copyright (c) 1990 The Regents of the University of California.\n\ 27 All rights reserved.\n"); 28#endif /* not lint */ 29 30#ifndef lint | 2 3/* 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that: (1) source code distributions 9 * retain the above copyright notice and this paragraph in its entirety, (2) --- 13 unchanged lines hidden (view full) --- 23#include <sys/cdefs.h> 24#ifndef lint 25__COPYRIGHT( 26 "@(#) Copyright (c) 1990 The Regents of the University of California.\n\ 27 All rights reserved.\n"); 28#endif /* not lint */ 29 30#ifndef lint |
| 31__RCSID("$NetBSD: rarpd.c,v 1.22 1997/11/24 18:43:16 is Exp $"); | 31__RCSID("$NetBSD: rarpd.c,v 1.23 1998/03/23 08:44:07 fair Exp $"); |
| 32#endif 33 34 35/* 36 * rarpd - Reverse ARP Daemon 37 * 38 * Usage: rarpd -a [ -d -f ] 39 * rarpd [ -d -f ] interface --- 165 unchanged lines hidden (view full) --- 205 * Add 'ifname' to the interface list. Lookup its IP address and network 206 * mask and Ethernet address, and open a BPF file for it. 207 */ 208void 209init_one(ifname) 210 char *ifname; 211{ 212 struct if_info *p; | 32#endif 33 34 35/* 36 * rarpd - Reverse ARP Daemon 37 * 38 * Usage: rarpd -a [ -d -f ] 39 * rarpd [ -d -f ] interface --- 165 unchanged lines hidden (view full) --- 205 * Add 'ifname' to the interface list. Lookup its IP address and network 206 * mask and Ethernet address, and open a BPF file for it. 207 */ 208void 209init_one(ifname) 210 char *ifname; 211{ 212 struct if_info *p; |
| 213 int fd; |
|
| 213 | 214 |
| 215 fd = rarp_open(ifname); 216 if (fd < 0) 217 return; 218 |
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| 214 p = (struct if_info *)malloc(sizeof(*p)); 215 if (p == 0) { 216 rarperr(FATAL, "malloc: %s", strerror(errno)); 217 /* NOTREACHED */ 218 } 219 p->ii_next = iflist; 220 iflist = p; 221 | 219 p = (struct if_info *)malloc(sizeof(*p)); 220 if (p == 0) { 221 rarperr(FATAL, "malloc: %s", strerror(errno)); 222 /* NOTREACHED */ 223 } 224 p->ii_next = iflist; 225 iflist = p; 226 |
| 222 p->ii_fd = rarp_open(ifname); | 227 p->ii_fd = fd; |
| 223 lookup_eaddr(ifname, p->ii_eaddr); 224 lookup_ipaddr(ifname, &p->ii_ipaddr, &p->ii_netmask); 225} 226 227/* 228 * Initialize all "candidate" interfaces that are in the system 229 * configuration list. A "candidate" is up, not loopback and not 230 * point to point. --- 101 unchanged lines hidden (view full) --- 332 /* Set immediate mode so packets are processed as they arrive. */ 333 immediate = 1; 334 if (ioctl(fd, BIOCIMMEDIATE, &immediate) < 0) { 335 rarperr(FATAL, "BIOCIMMEDIATE: %s", strerror(errno)); 336 /* NOTREACHED */ 337 } 338 (void) strncpy(ifr.ifr_name, device, sizeof ifr.ifr_name); 339 if (ioctl(fd, BIOCSETIF, (caddr_t) & ifr) < 0) { | 228 lookup_eaddr(ifname, p->ii_eaddr); 229 lookup_ipaddr(ifname, &p->ii_ipaddr, &p->ii_netmask); 230} 231 232/* 233 * Initialize all "candidate" interfaces that are in the system 234 * configuration list. A "candidate" is up, not loopback and not 235 * point to point. --- 101 unchanged lines hidden (view full) --- 337 /* Set immediate mode so packets are processed as they arrive. */ 338 immediate = 1; 339 if (ioctl(fd, BIOCIMMEDIATE, &immediate) < 0) { 340 rarperr(FATAL, "BIOCIMMEDIATE: %s", strerror(errno)); 341 /* NOTREACHED */ 342 } 343 (void) strncpy(ifr.ifr_name, device, sizeof ifr.ifr_name); 344 if (ioctl(fd, BIOCSETIF, (caddr_t) & ifr) < 0) { |
| 345 if (aflag) { /* for -a skip non-ethernet interfaces */ 346 close(fd); 347 return(-1); 348 } |
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| 340 rarperr(FATAL, "BIOCSETIF: %s", strerror(errno)); 341 /* NOTREACHED */ 342 } 343 /* Check that the data link layer is an Ethernet; this code won't work 344 * with anything else. */ 345 if (ioctl(fd, BIOCGDLT, (caddr_t) & dlt) < 0) { 346 rarperr(FATAL, "BIOCGDLT: %s", strerror(errno)); 347 /* NOTREACHED */ 348 } 349 if (dlt != DLT_EN10MB) { | 349 rarperr(FATAL, "BIOCSETIF: %s", strerror(errno)); 350 /* NOTREACHED */ 351 } 352 /* Check that the data link layer is an Ethernet; this code won't work 353 * with anything else. */ 354 if (ioctl(fd, BIOCGDLT, (caddr_t) & dlt) < 0) { 355 rarperr(FATAL, "BIOCGDLT: %s", strerror(errno)); 356 /* NOTREACHED */ 357 } 358 if (dlt != DLT_EN10MB) { |
| 359 if (aflag) { /* for -a skip non-ethernet interfaces */ 360 close(fd); 361 return(-1); 362 } |
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| 350 rarperr(FATAL, "%s is not an ethernet", device); 351 /* NOTREACHED */ 352 } 353 /* Set filter program. */ 354 if (ioctl(fd, BIOCSETF, (caddr_t) & filter) < 0) { 355 rarperr(FATAL, "BIOCSETF: %s", strerror(errno)); 356 /* NOTREACHED */ 357 } --- 566 unchanged lines hidden --- | 363 rarperr(FATAL, "%s is not an ethernet", device); 364 /* NOTREACHED */ 365 } 366 /* Set filter program. */ 367 if (ioctl(fd, BIOCSETF, (caddr_t) & filter) < 0) { 368 rarperr(FATAL, "BIOCSETF: %s", strerror(errno)); 369 /* NOTREACHED */ 370 } --- 566 unchanged lines hidden --- |