int arp_main(int argc ATTRIBUTE_UNUSED, char **argv) { char *hw_type; char *protocol; /* Initialize variables... */ ap = get_aftype(DFLT_AF); if (!ap) bb_error_msg_and_die("%s: %s not supported", DFLT_AF, "address family"); getopt32(argv, "A:p:H:t:i:adnDsv", &protocol, &protocol, &hw_type, &hw_type, &device); argv += optind; if (option_mask32 & ARP_OPT_A || option_mask32 & ARP_OPT_p) { ap = get_aftype(protocol); if (ap == NULL) bb_error_msg_and_die("%s: unknown %s", protocol, "address family"); } if (option_mask32 & ARP_OPT_A || option_mask32 & ARP_OPT_p) { hw = get_hwtype(hw_type); if (hw == NULL) bb_error_msg_and_die("%s: unknown %s", hw_type, "hardware type"); hw_set = 1; } //if (option_mask32 & ARP_OPT_i)... -i if (ap->af != AF_INET) { bb_error_msg_and_die("%s: kernel only supports 'inet'", ap->name); } /* If no hw type specified get default */ if (!hw) { hw = get_hwtype(DFLT_HW); if (!hw) bb_error_msg_and_die("%s: %s not supported", DFLT_HW, "hardware type"); } if (hw->alen <= 0) { bb_error_msg_and_die("%s: %s without ARP support", hw->name, "hardware type"); } sockfd = xsocket(AF_INET, SOCK_DGRAM, 0); /* Now see what we have to do here... */ if (option_mask32 & (ARP_OPT_d|ARP_OPT_s)) { if (argv[0] == NULL) bb_error_msg_and_die("need host name"); if (option_mask32 & ARP_OPT_s) return arp_set(argv); return arp_del(argv); } //if (option_mask32 & ARP_OPT_a) - default return arp_show(argv[0]); }
/* Print the contents of an ARP request block. */ static void arp_disp_2(char *name, int type, int arp_flags, char *hwa, char *mask, char *dev) { static int title = 0; struct hwtype *xhw; char flags[10]; xhw = get_hwntype(type); if (xhw == NULL) xhw = get_hwtype(DFLT_HW); if (title++ == 0) { printf("Address HWtype HWaddress Flags Mask Iface\n"); } /* Setup the flags. */ flags[0] = '\0'; if (arp_flags & ATF_COM) strcat(flags, "C"); if (arp_flags & ATF_PERM) strcat(flags, "M"); if (arp_flags & ATF_PUBL) strcat(flags, "P"); #ifdef HAVE_ATF_MAGIC if (arp_flags & ATF_MAGIC) strcat(flags, "A"); #endif #ifdef HAVE_ATF_DONTPUB if (arp_flags & ATF_DONTPUB) strcat(flags, "!"); #endif if (arp_flags & ATF_USETRAILERS) strcat(flags, "T"); if (!(arp_flags & ATF_NETMASK)) mask = ""; printf("%-23.23s ", name); if (!(arp_flags & ATF_COM)) { if (arp_flags & ATF_PUBL) printf("%-8.8s%-20.20s", "*", "*"); else printf("%-8.8s%-20.20s", "", "(incomplete)"); } else { printf("%-8.8s%-20.20s", xhw->name, hwa); } printf("%-6.6s%-15.15s %s\n", flags, mask, dev); }
int activate_ld(const char *hwname, int fd) { struct hwtype *hw; hw = get_hwtype(hwname); if (!hw) { fprintf(stderr, _("Hardware type `%s' not supported.\n"), hwname); return (E_NOSUPP); } if (!hw->activate) { fprintf(stderr, _("Cannot change line discipline to `%s'.\n"), hw->name); return (E_OPTERR); } return (hw->activate(fd)); }
/* Print the contents of an ARP request block. */ static void arp_disp(const char *name, char *ip, int type, int arp_flags, char *hwa, char *mask, char *dev) { const struct hwtype *xhw; xhw = get_hwntype(type); if (xhw == NULL) xhw = get_hwtype(DFLT_HW); printf("%s (%s) at ", name, ip); if (!(arp_flags & ATF_COM)) { if (arp_flags & ATF_PUBL) printf("* "); else printf("<incomplete> "); } else { printf("%s [%s] ", hwa, xhw->name); } if (arp_flags & ATF_NETMASK) printf("netmask %s ", mask); if (arp_flags & ATF_PERM) printf("PERM "); if (arp_flags & ATF_PUBL) printf("PUP "); #ifdef HAVE_ATF_MAGIC if (arp_flags & ATF_MAGIC) printf("AUTO "); #endif #ifdef HAVE_ATF_DONTPUB if (arp_flags & ATF_DONTPUB) printf("DONTPUB "); #endif if (arp_flags & ATF_USETRAILERS) printf("TRAIL "); printf("on %s\n", dev); }
int main(int argc, char **argv) { struct sockaddr sa; char host[128]; struct aftype *ap; struct hwtype *hw; struct ifreq ifr; int goterr = 0, didnetmask = 0; char **spp; int fd; #if HAVE_AFINET6 extern struct aftype inet6_aftype; struct sockaddr_in6 sa6; struct in6_ifreq ifr6; unsigned long prefix_len; char *cp; #endif #if I18N bindtextdomain("net-tools", "/usr/share/locale"); textdomain("net-tools"); #endif /* Create a channel to the NET kernel. */ if ((skfd = sockets_open(0)) < 0) { perror("socket"); exit(1); } /* Find any options. */ argc--; argv++; while (argc && *argv[0] == '-') { if (!strcmp(*argv, "-a")) opt_a = 1; if (!strcmp(*argv, "-v")) opt_v = 1; if (!strcmp(*argv, "-V") || !strcmp(*argv, "-version") || !strcmp(*argv, "--version")) version(); if (!strcmp(*argv, "-?") || !strcmp(*argv, "-h") || !strcmp(*argv, "-help") || !strcmp(*argv, "--help")) usage(); argv++; argc--; } /* Do we have to show the current setup? */ if (argc == 0) { int err = if_print((char *) NULL); (void) close(skfd); exit(err < 0); } /* No. Fetch the interface name. */ spp = argv; safe_strncpy(ifr.ifr_name, *spp++, IFNAMSIZ); if (*spp == (char *) NULL) { int err = if_print(ifr.ifr_name); (void) close(skfd); exit(err < 0); } /* setup the vlan if required */ if (if_name_is_vlan(ifr.ifr_name)) { struct interface *i; if ((i = lookup_interface(ifr.ifr_name)) == NULL) { fprintf (stderr, "Couldn't lookup interfaces\n"); exit(1); } if (do_if_fetch(i) < 0) { int err; printf("Creating new vlan\n"); err = setup_vlan(ifr.ifr_name); if (err < 0) { fprintf(stderr, "Cannot init required vlan %s - %d\n", ifr.ifr_name, err); exit(err < 0); } } } /* The next argument is either an address family name, or an option. */ if ((ap = get_aftype(*spp)) == NULL) ap = get_aftype(DFLT_AF); else { /* XXX: should print the current setup if no args left, but only for this family */ spp++; addr_family = ap->af; } if (sockets_open(addr_family) < 0) { perror("family socket"); exit(1); } /* Process the remaining arguments. */ while (*spp != (char *) NULL) { if (!strcmp(*spp, "arp")) { goterr |= clr_flag(ifr.ifr_name, IFF_NOARP); spp++; continue; } if (!strcmp(*spp, "-arp")) { goterr |= set_flag(ifr.ifr_name, IFF_NOARP); spp++; continue; } #ifdef IFF_PORTSEL if (!strcmp(*spp, "media") || !strcmp(*spp, "port")) { if (*++spp == NULL) usage(); if (!strcasecmp(*spp, "auto")) { goterr |= set_flag(ifr.ifr_name, IFF_AUTOMEDIA); } else { int i, j, newport; char *endp; newport = strtol(*spp, &endp, 10); if (*endp != 0) { newport = -1; for (i = 0; if_port_text[i][0] && newport == -1; i++) { for (j = 0; if_port_text[i][j]; j++) { if (!strcasecmp(*spp, if_port_text[i][j])) { newport = i; break; } } } } spp++; if (newport == -1) { fprintf(stderr, _("Unknown media type.\n")); goterr = 1; } else { if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { goterr = 1; continue; } ifr.ifr_map.port = newport; if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { perror("SIOCSIFMAP"); goterr = 1; } } } continue; } #endif if (!strcmp(*spp, "trailers")) { goterr |= clr_flag(ifr.ifr_name, IFF_NOTRAILERS); spp++; continue; } if (!strcmp(*spp, "-trailers")) { goterr |= set_flag(ifr.ifr_name, IFF_NOTRAILERS); spp++; continue; } if (!strcmp(*spp, "promisc")) { goterr |= set_flag(ifr.ifr_name, IFF_PROMISC); spp++; continue; } if (!strcmp(*spp, "-promisc")) { goterr |= clr_flag(ifr.ifr_name, IFF_PROMISC); spp++; continue; } if (!strcmp(*spp, "multicast")) { goterr |= set_flag(ifr.ifr_name, IFF_MULTICAST); spp++; continue; } if (!strcmp(*spp, "-multicast")) { goterr |= clr_flag(ifr.ifr_name, IFF_MULTICAST); spp++; continue; } if (!strcmp(*spp, "allmulti")) { goterr |= set_flag(ifr.ifr_name, IFF_ALLMULTI); spp++; continue; } if (!strcmp(*spp, "-allmulti")) { goterr |= clr_flag(ifr.ifr_name, IFF_ALLMULTI); spp++; continue; } if (!strcmp(*spp, "up")) { goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING)); spp++; continue; } if (!strcmp(*spp, "down")) { goterr |= clr_flag(ifr.ifr_name, IFF_UP); spp++; continue; } #ifdef HAVE_DYNAMIC if (!strcmp(*spp, "dynamic")) { goterr |= set_flag(ifr.ifr_name, IFF_DYNAMIC); spp++; continue; } if (!strcmp(*spp, "-dynamic")) { goterr |= clr_flag(ifr.ifr_name, IFF_DYNAMIC); spp++; continue; } #endif if (!strcmp(*spp, "metric")) { if (*++spp == NULL) usage(); ifr.ifr_metric = atoi(*spp); if (ioctl(skfd, SIOCSIFMETRIC, &ifr) < 0) { fprintf(stderr, "SIOCSIFMETRIC: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "mtu")) { if (*++spp == NULL) usage(); ifr.ifr_mtu = atoi(*spp); if (ioctl(skfd, SIOCSIFMTU, &ifr) < 0) { fprintf(stderr, "SIOCSIFMTU: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #ifdef SIOCSKEEPALIVE if (!strcmp(*spp, "keepalive")) { if (*++spp == NULL) usage(); ifr.ifr_data = (caddr_t) atoi(*spp); if (ioctl(skfd, SIOCSKEEPALIVE, &ifr) < 0) { fprintf(stderr, "SIOCSKEEPALIVE: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif #ifdef SIOCSOUTFILL if (!strcmp(*spp, "outfill")) { if (*++spp == NULL) usage(); ifr.ifr_data = (caddr_t) atoi(*spp); if (ioctl(skfd, SIOCSOUTFILL, &ifr) < 0) { fprintf(stderr, "SIOCSOUTFILL: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif if (!strcmp(*spp, "-broadcast")) { goterr |= clr_flag(ifr.ifr_name, IFF_BROADCAST); spp++; continue; } if (!strcmp(*spp, "broadcast")) { if (*++spp != NULL) { safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa) < 0) { ap->herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_broadaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(ap->fd, SIOCSIFBRDADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFBRDADDR: %s\n", strerror(errno)); goterr = 1; } spp++; } goterr |= set_flag(ifr.ifr_name, IFF_BROADCAST); continue; } if (!strcmp(*spp, "dstaddr")) { if (*++spp == NULL) usage(); safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa) < 0) { ap->herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "netmask")) { if (*++spp == NULL || didnetmask) usage(); safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa) < 0) { ap->herror(host); goterr = 1; spp++; continue; } didnetmask++; goterr = set_netmask(ap->fd, &ifr, &sa); spp++; continue; } #ifdef HAVE_TXQUEUELEN if (!strcmp(*spp, "txqueuelen")) { if (*++spp == NULL) usage(); ifr.ifr_qlen = strtoul(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFTXQLEN, &ifr) < 0) { fprintf(stderr, "SIOCSIFTXQLEN: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif if (!strcmp(*spp, "mem_start")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { goterr = 1; continue; } ifr.ifr_map.mem_start = strtoul(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "io_addr")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { goterr = 1; continue; } ifr.ifr_map.base_addr = strtol(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "irq")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { goterr = 1; continue; } ifr.ifr_map.irq = atoi(*spp); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "-pointopoint")) { goterr |= clr_flag(ifr.ifr_name, IFF_POINTOPOINT); spp++; continue; } if (!strcmp(*spp, "pointopoint")) { if (*(spp + 1) != NULL) { spp++; safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa)) { ap->herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } } goterr |= set_flag(ifr.ifr_name, IFF_POINTOPOINT); spp++; continue; }; if (!strcmp(*spp, "hw")) { if (*++spp == NULL) usage(); if ((hw = get_hwtype(*spp)) == NULL) usage(); if (*++spp == NULL) usage(); safe_strncpy(host, *spp, (sizeof host)); if (hw->input(host, &sa) < 0) { fprintf(stderr, _("%s: invalid %s address.\n"), host, hw->name); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_hwaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFHWADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFHWADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #if HAVE_AFINET6 if (!strcmp(*spp, "add")) { if (*++spp == NULL) usage(); if ((cp = strchr(*spp, '/'))) { prefix_len = atol(cp + 1); if ((prefix_len < 0) || (prefix_len > 128)) usage(); *cp = 0; } else { prefix_len = 0; } safe_strncpy(host, *spp, (sizeof host)); if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) { inet6_aftype.herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr, sizeof(struct in6_addr)); fd = get_socket_for_af(AF_INET6); if (fd < 0) { fprintf(stderr, _("No support for INET6 on this system.\n")); goterr = 1; spp++; continue; } if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) { perror("SIOGIFINDEX"); goterr = 1; spp++; continue; } ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = prefix_len; if (ioctl(fd, SIOCSIFADDR, &ifr6) < 0) { perror("SIOCSIFADDR"); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "del")) { if (*++spp == NULL) usage(); if ((cp = strchr(*spp, '/'))) { prefix_len = atol(cp + 1); if ((prefix_len < 0) || (prefix_len > 128)) usage(); *cp = 0; } else { prefix_len = 0; } safe_strncpy(host, *spp, (sizeof host)); if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) { inet6_aftype.herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr, sizeof(struct in6_addr)); fd = get_socket_for_af(AF_INET6); if (fd < 0) { fprintf(stderr, _("No support for INET6 on this system.\n")); goterr = 1; spp++; continue; } if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) { perror("SIOGIFINDEX"); goterr = 1; spp++; continue; } ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = prefix_len; #ifdef SIOCDIFADDR if (ioctl(fd, SIOCDIFADDR, &ifr6) < 0) { fprintf(stderr, "SIOCDIFADDR: %s\n", strerror(errno)); goterr = 1; } #else fprintf(stderr, _("Address deletion not supported on this system.\n")); #endif spp++; continue; } if (!strcmp(*spp, "tunnel")) { if (*++spp == NULL) usage(); if ((cp = strchr(*spp, '/'))) { prefix_len = atol(cp + 1); if ((prefix_len < 0) || (prefix_len > 128)) usage(); *cp = 0; } else { prefix_len = 0; } safe_strncpy(host, *spp, (sizeof host)); if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) { inet6_aftype.herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr, sizeof(struct in6_addr)); fd = get_socket_for_af(AF_INET6); if (fd < 0) { fprintf(stderr, _("No support for INET6 on this system.\n")); goterr = 1; spp++; continue; } if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) { perror("SIOGIFINDEX"); goterr = 1; spp++; continue; } ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = prefix_len; if (ioctl(fd, SIOCSIFDSTADDR, &ifr6) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif /* If the next argument is a valid hostname, assume OK. */ safe_strncpy(host, *spp, (sizeof host)); /* FIXME: sa is too small for INET6 addresses, inet6 should use that too, broadcast is unexpected */ if (ap->getmask) { switch (ap->getmask(host, &sa, NULL)) { case -1: usage(); break; case 1: if (didnetmask) usage(); goterr = set_netmask(skfd, &ifr, &sa); didnetmask++; break; } } if (ap->input(0, host, &sa) < 0) { ap->herror(host); usage(); } memcpy((char *) &ifr.ifr_addr, (char *) &sa, sizeof(struct sockaddr)); { int r = 0; /* to shut gcc up */ switch (ap->af) { #if HAVE_AFINET case AF_INET: fd = get_socket_for_af(AF_INET); if (fd < 0) { fprintf(stderr, _("No support for INET on this system.\n")); exit(1); } r = ioctl(fd, SIOCSIFADDR, &ifr); break; #endif #if HAVE_AFECONET case AF_ECONET: fd = get_socket_for_af(AF_ECONET); if (fd < 0) { fprintf(stderr, _("No support for ECONET on this system.\n")); exit(1); } r = ioctl(fd, SIOCSIFADDR, &ifr); break; #endif default: fprintf(stderr, _("Don't know how to set addresses for family %d.\n"), ap->af); exit(1); } if (r < 0) { perror("SIOCSIFADDR"); goterr = 1; } } /* * Don't do the set_flag() if the address is an alias with a - at the * end, since it's deleted already! - Roman * * Should really use regex.h here, not sure though how well it'll go * with the cross-platform support etc. */ { char *ptr; short int found_colon = 0; for (ptr = ifr.ifr_name; *ptr; ptr++ ) if (*ptr == ':') found_colon++; if (!(found_colon && *(ptr - 1) == '-')) goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING)); } spp++; } return (goterr); }
int main(int argc, char **argv) { int i, lop, what; struct option longopts[] = { {"verbose", 0, 0, 'v'}, {"version", 0, 0, 'V'}, {"all", 0, 0, 'a'}, {"delete", 0, 0, 'd'}, {"file", 0, 0, 'f'}, {"numeric", 0, 0, 'n'}, {"set", 0, 0, 's'}, {"protocol", 1, 0, 'A'}, {"hw-type", 1, 0, 'H'}, {"device", 1, 0, 'i'}, {"help", 0, 0, 'h'}, {"use-device", 0, 0, 'D'}, {"symbolic", 0, 0, 'N'}, {NULL, 0, 0, 0} }; #if I18N setlocale (LC_ALL, ""); bindtextdomain("net-tools", "/usr/share/locale"); textdomain("net-tools"); #endif /* Initialize variables... */ if ((hw = get_hwtype(DFLT_HW)) == NULL) { fprintf(stderr, _("%s: hardware type not supported!\n"), DFLT_HW); return (-1); } if ((ap = get_aftype(DFLT_AF)) == NULL) { fprintf(stderr, _("%s: address family not supported!\n"), DFLT_AF); return (-1); } what = 0; /* Fetch the command-line arguments. */ /* opterr = 0; */ while ((i = getopt_long(argc, argv, "A:H:adfp:nsei:t:vh?DNV", longopts, &lop)) != EOF) switch (i) { case 'a': what = 1; opt_a = 1; break; case 'f': what = 2; break; case 'd': what = 3; break; case 's': what = 4; break; case 'e': opt_e = 1; break; case 'n': opt_n = FLAG_NUM; break; case 'D': opt_D = 1; break; case 'N': opt_N = FLAG_SYM; fprintf(stderr, _("arp: -N not yet supported.\n")); break; case 'v': opt_v = 1; break; case 'A': case 'p': ap = get_aftype(optarg); if (ap == NULL) { fprintf(stderr, _("arp: %s: unknown address family.\n"), optarg); exit(-1); } break; case 'H': case 't': hw = get_hwtype(optarg); if (hw == NULL) { fprintf(stderr, _("arp: %s: unknown hardware type.\n"), optarg); exit(-1); } hw_set = 1; break; case 'i': safe_strncpy(device, optarg, sizeof(device)); break; case 'V': version(); case '?': case 'h': default: usage(); } if (ap->af != AF_INET) { fprintf(stderr, _("arp: %s: kernel only supports 'inet'.\n"), ap->name); exit(-1); } /* If not hw type specified get default */ if(hw_set==0) if ((hw = get_hwtype(DFLT_HW)) == NULL) { fprintf(stderr, _("%s: hardware type not supported!\n"), DFLT_HW); return (-1); } if (hw->alen <= 0) { fprintf(stderr, _("arp: %s: hardware type without ARP support.\n"), hw->name); exit(-1); } if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { perror("socket"); exit(-1); } /* Now see what we have to do here... */ switch (what) { case 0: opt_e = 1; what = arp_show(argv[optind]); break; case 1: /* show an ARP entry in the cache */ what = arp_show(argv[optind]); break; case 2: /* process an EtherFile */ what = arp_file(argv[optind] ? argv[optind] : "/etc/ethers"); break; case 3: /* delete an ARP entry from the cache */ what = arp_del(&argv[optind]); break; case 4: /* set an ARP entry in the cache */ what = arp_set(&argv[optind]); break; default: usage(); } exit(what); }
int main(int argc, char **argv) { struct sockaddr sa; char host[128]; struct aftype *ap; struct hwtype *hw; struct ifreq ifr; int goterr = 0; char **spp; #if NLS setlocale (LC_MESSAGES, ""); catfd = catopen ("nettools", MCLoadBySet); #endif /* Create a channel to the NET kernel. */ if ((skfd = sockets_open()) < 0) { perror("socket"); NLS_CATCLOSE(catfd) exit(-1); } /* Find any options. */ argc--; argv++; while (argc && *argv[0] == '-') { if (!strcmp(*argv, "-a")) opt_a = 1; if (!strcmp(*argv, "-v")) opt_v = 1; if (!strcmp(*argv, "-V") || !strcmp(*argv, "-version") || !strcmp(*argv, "--version")) version(); if (!strcmp(*argv, "-?") || !strcmp(*argv, "-h") || !strcmp(*argv, "-help") || !strcmp(*argv, "--help")) usage(); argv++; argc--; } /* Do we have to show the current setup? */ if (argc == 0) { if_print((char *)NULL); (void) close(skfd); NLS_CATCLOSE(catfd) exit(0); } /* No. Fetch the interface name. */ spp = argv; strncpy(ifr.ifr_name, *spp++, IFNAMSIZ); if (*spp == (char *)NULL) { if_print(ifr.ifr_name); (void) close(skfd); NLS_CATCLOSE(catfd) exit(0); } /* The next argument is either an address family name, or an option. */ if ((ap = get_aftype(*spp)) == NULL) { ap = get_aftype("inet"); } else spp++; addr_family = ap->af; /* Process the remaining arguments. */ while (*spp != (char *)NULL) { if (!strcmp(*spp, "arp")) { goterr |= clr_flag(ifr.ifr_name, IFF_NOARP); spp++; continue; } if (!strcmp(*spp, "-arp")) { goterr |= set_flag(ifr.ifr_name, IFF_NOARP); spp++; continue; } if (!strcmp(*spp, "trailers")) { goterr |= clr_flag(ifr.ifr_name, IFF_NOTRAILERS); spp++; continue; } if (!strcmp(*spp, "-trailers")) { goterr |= set_flag(ifr.ifr_name, IFF_NOTRAILERS); spp++; continue; } if (!strcmp(*spp, "promisc")) { goterr |= set_flag(ifr.ifr_name, IFF_PROMISC); spp++; continue; } if (!strcmp(*spp, "-promisc")) { goterr |= clr_flag(ifr.ifr_name, IFF_PROMISC); spp++; continue; } if (!strcmp(*spp, "multicast")) { goterr |= set_flag(ifr.ifr_name, IFF_MULTICAST); spp++; continue; } if (!strcmp(*spp, "-multicast")) { goterr |= clr_flag(ifr.ifr_name, IFF_MULTICAST); spp++; continue; } if (!strcmp(*spp, "allmulti")) { goterr |= set_flag(ifr.ifr_name, IFF_ALLMULTI); spp++; continue; } if (!strcmp(*spp, "-allmulti")) { goterr |= clr_flag(ifr.ifr_name, IFF_ALLMULTI); spp++; continue; } if (!strcmp(*spp, "up")) { goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING)); spp++; continue; } if (!strcmp(*spp, "down")) { goterr |= clr_flag(ifr.ifr_name, IFF_UP); spp++; continue; } if (!strcmp(*spp, "metric")) { if (*++spp == NULL) usage(); ifr.ifr_metric = atoi(*spp); if (ioctl(skfd, SIOCSIFMETRIC, &ifr) < 0) { fprintf(stderr, "SIOCSIFMETRIC: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "mtu")) { if (*++spp == NULL) usage(); ifr.ifr_mtu = atoi(*spp); if (ioctl(skfd, SIOCSIFMTU, &ifr) < 0) { fprintf(stderr, "SIOCSIFMTU: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "-broadcast")) { goterr |= clr_flag(ifr.ifr_name, IFF_BROADCAST); spp++; continue; } if (!strcmp(*spp, "broadcast")) { if (*++spp != NULL ) { strcpy(host, *spp); if (ap->input(0, host, &sa) < 0) { ap->herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_broadaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFBRDADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFBRDADDR: %s\n", strerror(errno)); goterr = 1; } spp++; } goterr |= set_flag(ifr.ifr_name, IFF_BROADCAST); continue; } if (!strcmp(*spp, "dstaddr")) { if (*++spp == NULL) usage(); strcpy(host, *spp); if (ap->input(0, host, &sa) < 0) { ap->herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFDSTADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "netmask")) { if (*++spp == NULL) usage(); strcpy(host, *spp); if (ap->input(0, host, &sa) < 0) { ap->herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_netmask, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFNETMASK, &ifr) < 0) { fprintf(stderr, "SIOCSIFNETMASK: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "mem_start")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { goterr = 1; continue; } ifr.ifr_map.mem_start = strtoul(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "io_addr")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { goterr = 1; continue; } ifr.ifr_map.base_addr = strtol(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "irq")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { goterr = 1; continue; } ifr.ifr_map.irq = atoi(*spp); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "-pointopoint")) { goterr |= clr_flag(ifr.ifr_name, IFF_POINTOPOINT); spp++; continue; } if (!strcmp(*spp, "pointopoint")) { if (*(spp+1) != NULL) { spp++; strcpy(host, *spp); if (ap->input(0, host, &sa)) { ap->herror(host); goterr = 1; spp++; continue; }; memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFDSTADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } } goterr |= set_flag(ifr.ifr_name, IFF_POINTOPOINT); spp++; continue; }; if (!strcmp(*spp, "hw")) { if (*++spp == NULL) usage(); if ((hw = get_hwtype(*spp)) == NULL) usage(); strcpy(host, *++spp); if (hw->input(host, &sa) < 0) { ap->herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_hwaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFHWADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFHWADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } /* If the next argument is a valid hostname, assume OK. */ strcpy(host, *spp); if (ap->input(0, host, &sa) < 0) { ap->herror(host); usage(); } memcpy((char *) &ifr.ifr_addr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFADDR: %s\n", strerror(errno)); goterr = 1; } goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING)); spp++; } /* Close the socket. */ (void) close(skfd); NLS_CATCLOSE(catfd) return(goterr); }
int main(int argc, char **argv) { struct sockaddr sa; struct sockaddr samask; struct sockaddr_in sin; char host[128]; struct aftype *ap; struct hwtype *hw; struct ifreq ifr; int goterr = 0, didnetmask = 0, neednetmask=0; char **spp; int fd; #if HAVE_AFINET6 extern struct aftype inet6_aftype; struct sockaddr_in6 sa6; struct in6_ifreq ifr6; unsigned long prefix_len; char *cp; #endif #if HAVE_AFINET extern struct aftype inet_aftype; #endif #if I18N setlocale (LC_ALL, ""); bindtextdomain("net-tools", "/usr/share/locale"); textdomain("net-tools"); #endif /* Find any options. */ argc--; argv++; while (argc && *argv[0] == '-') { if (!strcmp(*argv, "-a")) opt_a = 1; else if (!strcmp(*argv, "-s")) ife_short = 1; else if (!strcmp(*argv, "-v")) opt_v = 1; else if (!strcmp(*argv, "-V") || !strcmp(*argv, "-version") || !strcmp(*argv, "--version")) version(); else if (!strcmp(*argv, "-?") || !strcmp(*argv, "-h") || !strcmp(*argv, "-help") || !strcmp(*argv, "--help")) usage(); else { fprintf(stderr, _("ifconfig: option `%s' not recognised.\n"), argv[0]); fprintf(stderr, _("ifconfig: `--help' gives usage information.\n")); exit(1); } argv++; argc--; } /* Create a channel to the NET kernel. */ if ((skfd = sockets_open(0)) < 0) { perror("socket"); exit(1); } /* Do we have to show the current setup? */ if (argc == 0) { int err = if_print((char *) NULL); (void) close(skfd); exit(err < 0); } /* No. Fetch the interface name. */ spp = argv; safe_strncpy(ifr.ifr_name, *spp++, IFNAMSIZ); if (*spp == (char *) NULL) { int err = if_print(ifr.ifr_name); (void) close(skfd); exit(err < 0); } /* The next argument is either an address family name, or an option. */ if ((ap = get_aftype(*spp)) != NULL) spp++; /* it was a AF name */ else ap = get_aftype(DFLT_AF); if (ap) { addr_family = ap->af; skfd = ap->fd; } /* Process the remaining arguments. */ while (*spp != (char *) NULL) { if (!strcmp(*spp, "arp")) { goterr |= clr_flag(ifr.ifr_name, IFF_NOARP); spp++; continue; } if (!strcmp(*spp, "-arp")) { goterr |= set_flag(ifr.ifr_name, IFF_NOARP); spp++; continue; } #ifdef IFF_PORTSEL if (!strcmp(*spp, "media") || !strcmp(*spp, "port")) { if (*++spp == NULL) usage(); if (!strcasecmp(*spp, "auto")) { goterr |= set_flag(ifr.ifr_name, IFF_AUTOMEDIA); } else { int i, j, newport; char *endp; newport = strtol(*spp, &endp, 10); if (*endp != 0) { newport = -1; for (i = 0; if_port_text[i][0] && newport == -1; i++) { for (j = 0; if_port_text[i][j]; j++) { if (!strcasecmp(*spp, if_port_text[i][j])) { newport = i; break; } } } } spp++; if (newport == -1) { fprintf(stderr, _("Unknown media type.\n")); goterr = 1; } else { if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { perror("port: SIOCGIFMAP"); goterr = 1; continue; } ifr.ifr_map.port = newport; if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { perror("port: SIOCSIFMAP"); goterr = 1; } } } continue; } #endif if (!strcmp(*spp, "trailers")) { goterr |= clr_flag(ifr.ifr_name, IFF_NOTRAILERS); spp++; continue; } if (!strcmp(*spp, "-trailers")) { goterr |= set_flag(ifr.ifr_name, IFF_NOTRAILERS); spp++; continue; } if (!strcmp(*spp, "promisc")) { goterr |= set_flag(ifr.ifr_name, IFF_PROMISC); spp++; continue; } if (!strcmp(*spp, "-promisc")) { goterr |= clr_flag(ifr.ifr_name, IFF_PROMISC); if (test_flag(ifr.ifr_name, IFF_PROMISC) > 0) fprintf(stderr, _("Warning: Interface %s still in promisc mode... maybe other application is running?\n"), ifr.ifr_name); spp++; continue; } if (!strcmp(*spp, "multicast")) { goterr |= set_flag(ifr.ifr_name, IFF_MULTICAST); spp++; continue; } if (!strcmp(*spp, "-multicast")) { goterr |= clr_flag(ifr.ifr_name, IFF_MULTICAST); if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0) fprintf(stderr, _("Warning: Interface %s still in MULTICAST mode.\n"), ifr.ifr_name); spp++; continue; } if (!strcmp(*spp, "allmulti")) { goterr |= set_flag(ifr.ifr_name, IFF_ALLMULTI); spp++; continue; } if (!strcmp(*spp, "-allmulti")) { goterr |= clr_flag(ifr.ifr_name, IFF_ALLMULTI); if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0) fprintf(stderr, _("Warning: Interface %s still in ALLMULTI mode.\n"), ifr.ifr_name); spp++; continue; } if (!strcmp(*spp, "up")) { goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING)); spp++; continue; } if (!strcmp(*spp, "down")) { goterr |= clr_flag(ifr.ifr_name, IFF_UP); spp++; continue; } #ifdef HAVE_DYNAMIC if (!strcmp(*spp, "dynamic")) { goterr |= set_flag(ifr.ifr_name, IFF_DYNAMIC); spp++; continue; } if (!strcmp(*spp, "-dynamic")) { goterr |= clr_flag(ifr.ifr_name, IFF_DYNAMIC); spp++; if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0) fprintf(stderr, _("Warning: Interface %s still in DYNAMIC mode.\n"), ifr.ifr_name); continue; } #endif if (!strcmp(*spp, "metric")) { if (*++spp == NULL) usage(); ifr.ifr_metric = atoi(*spp); if (ioctl(skfd, SIOCSIFMETRIC, &ifr) < 0) { fprintf(stderr, "SIOCSIFMETRIC: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "mtu")) { if (*++spp == NULL) usage(); ifr.ifr_mtu = atoi(*spp); if (ioctl(skfd, SIOCSIFMTU, &ifr) < 0) { fprintf(stderr, "SIOCSIFMTU: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #ifdef SIOCSKEEPALIVE if (!strcmp(*spp, "keepalive")) { if (*++spp == NULL) usage(); ifr.ifr_data = (caddr_t) atoi(*spp); if (ioctl(skfd, SIOCSKEEPALIVE, &ifr) < 0) { fprintf(stderr, "SIOCSKEEPALIVE: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif #ifdef SIOCSOUTFILL if (!strcmp(*spp, "outfill")) { if (*++spp == NULL) usage(); ifr.ifr_data = (caddr_t) atoi(*spp); if (ioctl(skfd, SIOCSOUTFILL, &ifr) < 0) { fprintf(stderr, "SIOCSOUTFILL: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif if (!strcmp(*spp, "-broadcast")) { goterr |= clr_flag(ifr.ifr_name, IFF_BROADCAST); if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0) fprintf(stderr, _("Warning: Interface %s still in BROADCAST mode.\n"), ifr.ifr_name); spp++; continue; } if (!strcmp(*spp, "broadcast")) { if (*++spp != NULL) { safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa) < 0) { if (ap->herror) ap->herror(host); else fprintf(stderr, _("ifconfig: Error resolving '%s' for broadcast\n"), host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_broadaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(ap->fd, SIOCSIFBRDADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFBRDADDR: %s\n", strerror(errno)); goterr = 1; } spp++; } goterr |= set_flag(ifr.ifr_name, IFF_BROADCAST); continue; } if (!strcmp(*spp, "dstaddr")) { if (*++spp == NULL) usage(); safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa) < 0) { if (ap->herror) ap->herror(host); else fprintf(stderr, _("ifconfig: Error resolving '%s' for dstaddr\n"), host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "netmask")) { if (*++spp == NULL || didnetmask) usage(); safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa) < 0) { if (ap->herror) ap->herror(host); else fprintf(stderr, _("ifconfig: Error resolving '%s' for netmask\n"), host); goterr = 1; spp++; continue; } didnetmask++; goterr |= set_netmask(ap->fd, &ifr, &sa); spp++; continue; } #ifdef HAVE_TXQUEUELEN if (!strcmp(*spp, "txqueuelen")) { if (*++spp == NULL) usage(); ifr.ifr_qlen = strtoul(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFTXQLEN, &ifr) < 0) { fprintf(stderr, "SIOCSIFTXQLEN: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif if (!strcmp(*spp, "mem_start")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { fprintf(stderr, "mem_start: SIOCGIFMAP: %s\n", strerror(errno)); spp++; goterr = 1; continue; } ifr.ifr_map.mem_start = strtoul(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "mem_start: SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "io_addr")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { fprintf(stderr, "io_addr: SIOCGIFMAP: %s\n", strerror(errno)); spp++; goterr = 1; continue; } ifr.ifr_map.base_addr = strtol(*spp, NULL, 0); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "io_addr: SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "irq")) { if (*++spp == NULL) usage(); if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) { fprintf(stderr, "irq: SIOCGIFMAP: %s\n", strerror(errno)); goterr = 1; spp++; continue; } ifr.ifr_map.irq = atoi(*spp); if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) { fprintf(stderr, "irq: SIOCSIFMAP: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } if (!strcmp(*spp, "-pointopoint")) { goterr |= clr_flag(ifr.ifr_name, IFF_POINTOPOINT); spp++; if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0) fprintf(stderr, _("Warning: Interface %s still in POINTOPOINT mode.\n"), ifr.ifr_name); continue; } if (!strcmp(*spp, "pointopoint")) { if (*(spp + 1) != NULL) { spp++; safe_strncpy(host, *spp, (sizeof host)); if (ap->input(0, host, &sa)) { if (ap->herror) ap->herror(host); else fprintf(stderr, _("ifconfig: Error resolving '%s' for pointopoint\n"), host); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } } goterr |= set_flag(ifr.ifr_name, IFF_POINTOPOINT); spp++; continue; }; if (!strcmp(*spp, "hw")) { if (*++spp == NULL) usage(); if ((hw = get_hwtype(*spp)) == NULL) usage(); if (hw->input == NULL) { fprintf(stderr, _("hw address type `%s' has no handler to set address. failed.\n"), *spp); spp+=2; goterr = 1; continue; } if (*++spp == NULL) usage(); safe_strncpy(host, *spp, (sizeof host)); if (hw->input(host, &sa) < 0) { fprintf(stderr, _("%s: invalid %s address.\n"), host, hw->name); goterr = 1; spp++; continue; } memcpy((char *) &ifr.ifr_hwaddr, (char *) &sa, sizeof(struct sockaddr)); if (ioctl(skfd, SIOCSIFHWADDR, &ifr) < 0) { if (errno == EBUSY) fprintf(stderr, "SIOCSIFHWADDR: %s - you may need to down the interface\n", strerror(errno)); else fprintf(stderr, "SIOCSIFHWADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #if HAVE_AFINET || HAVE_AFINET6 if (!strcmp(*spp, "add")) { if (*++spp == NULL) usage(); #if HAVE_AFINET6 if (strchr(*spp, ':')) { /* INET6 */ if ((cp = strchr(*spp, '/'))) { prefix_len = atol(cp + 1); if ((prefix_len < 0) || (prefix_len > 128)) usage(); *cp = 0; } else { prefix_len = 128; } safe_strncpy(host, *spp, (sizeof host)); if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) { if (inet6_aftype.herror) inet6_aftype.herror(host); else fprintf(stderr, _("ifconfig: Error resolving '%s' for add\n"), host); goterr = 1; spp++; continue; } memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr, sizeof(struct in6_addr)); fd = get_socket_for_af(AF_INET6); if (fd < 0) { fprintf(stderr, _("No support for INET6 on this system.\n")); goterr = 1; spp++; continue; } if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) { perror("SIOGIFINDEX"); goterr = 1; spp++; continue; } ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = prefix_len; if (ioctl(fd, SIOCSIFADDR, &ifr6) < 0) { perror("SIOCSIFADDR"); goterr = 1; } spp++; continue; } #endif #ifdef HAVE_AFINET { /* ipv4 address a.b.c.d */ unsigned long ip, nm, bc; safe_strncpy(host, *spp, (sizeof host)); if (inet_aftype.input(0, host, (struct sockaddr *)&sin) < 0) { ap->herror(host); goterr = 1; spp++; continue; } fd = get_socket_for_af(AF_INET); if (fd < 0) { fprintf(stderr, _("No support for INET on this system.\n")); goterr = 1; spp++; continue; } memcpy(&ip, &sin.sin_addr.s_addr, sizeof(unsigned long)); if (get_nmbc_parent(ifr.ifr_name, &nm, &bc) < 0) { fprintf(stderr, _("Interface %s not initialized\n"), ifr.ifr_name); goterr = 1; spp++; continue; } set_ifstate(ifr.ifr_name, ip, nm, bc, 1); } spp++; continue; #else fprintf(stderr, _("Bad address.\n")); #endif } #endif #if HAVE_AFINET || HAVE_AFINET6 if (!strcmp(*spp, "del")) { if (*++spp == NULL) usage(); #ifdef SIOCDIFADDR #if HAVE_AFINET6 if (strchr(*spp, ':')) { /* INET6 */ if ((cp = strchr(*spp, '/'))) { prefix_len = atol(cp + 1); if ((prefix_len < 0) || (prefix_len > 128)) usage(); *cp = 0; } else { prefix_len = 128; } safe_strncpy(host, *spp, (sizeof host)); if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) { inet6_aftype.herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr, sizeof(struct in6_addr)); fd = get_socket_for_af(AF_INET6); if (fd < 0) { fprintf(stderr, _("No support for INET6 on this system.\n")); goterr = 1; spp++; continue; } if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) { perror("SIOGIFINDEX"); goterr = 1; spp++; continue; } ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = prefix_len; if (opt_v) fprintf(stderr, "now deleting: ioctl(SIOCDIFADDR,{ifindex=%d,prefixlen=%ld})\n",ifr.ifr_ifindex,prefix_len); if (ioctl(fd, SIOCDIFADDR, &ifr6) < 0) { fprintf(stderr, "SIOCDIFADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif #ifdef HAVE_AFINET { /* ipv4 address a.b.c.d */ unsigned long ip, nm, bc; safe_strncpy(host, *spp, (sizeof host)); if (inet_aftype.input(0, host, (struct sockaddr *)&sin) < 0) { ap->herror(host); goterr = 1; spp++; continue; } fd = get_socket_for_af(AF_INET); if (fd < 0) { fprintf(stderr, _("No support for INET on this system.\n")); goterr = 1; spp++; continue; } memcpy(&ip, &sin.sin_addr.s_addr, sizeof(unsigned long)); if (get_nmbc_parent(ifr.ifr_name, &nm, &bc) < 0) { fprintf(stderr, _("Interface %s not initialized\n"), ifr.ifr_name); goterr = 1; spp++; continue; } set_ifstate(ifr.ifr_name, ip, nm, bc, 0); } spp++; continue; #else fprintf(stderr, _("Bad address.\n")); #endif #else fprintf(stderr, _("Address deletion not supported on this system.\n")); #endif } #endif #if HAVE_AFINET6 if (!strcmp(*spp, "tunnel")) { if (*++spp == NULL) usage(); if ((cp = strchr(*spp, '/'))) { prefix_len = atol(cp + 1); if ((prefix_len < 0) || (prefix_len > 128)) usage(); *cp = 0; } else { prefix_len = 128; } safe_strncpy(host, *spp, (sizeof host)); if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) { inet6_aftype.herror(host); goterr = 1; spp++; continue; } memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr, sizeof(struct in6_addr)); fd = get_socket_for_af(AF_INET6); if (fd < 0) { fprintf(stderr, _("No support for INET6 on this system.\n")); goterr = 1; spp++; continue; } if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) { perror("SIOGIFINDEX"); goterr = 1; spp++; continue; } ifr6.ifr6_ifindex = ifr.ifr_ifindex; ifr6.ifr6_prefixlen = prefix_len; if (ioctl(fd, SIOCSIFDSTADDR, &ifr6) < 0) { fprintf(stderr, "SIOCSIFDSTADDR: %s\n", strerror(errno)); goterr = 1; } spp++; continue; } #endif /* If the next argument is a valid hostname, assume OK. */ safe_strncpy(host, *spp, (sizeof host)); /* FIXME: sa is too small for INET6 addresses, inet6 should use that too, broadcast is unexpected */ if (ap->getmask) { switch (ap->getmask(host, &samask, NULL)) { case -1: usage(); break; case 1: if (didnetmask) usage(); // remeber to set the netmask from samask later neednetmask = 1; break; } } if (ap->input == NULL) { fprintf(stderr, _("ifconfig: Cannot set address for this protocol family.\n")); exit(1); } if (ap->input(0, host, &sa) < 0) { if (ap->herror) ap->herror(host); else fprintf(stderr,_("ifconfig: error resolving '%s' to set address for af=%s\n"), host, ap->name); fprintf(stderr, _("ifconfig: `--help' gives usage information.\n")); exit(1); } memcpy((char *) &ifr.ifr_addr, (char *) &sa, sizeof(struct sockaddr)); { int r = 0; /* to shut gcc up */ switch (ap->af) { #if HAVE_AFINET case AF_INET: fd = get_socket_for_af(AF_INET); if (fd < 0) { fprintf(stderr, _("No support for INET on this system.\n")); exit(1); } r = ioctl(fd, SIOCSIFADDR, &ifr); break; #endif #if HAVE_AFECONET case AF_ECONET: fd = get_socket_for_af(AF_ECONET); if (fd < 0) { fprintf(stderr, _("No support for ECONET on this system.\n")); exit(1); } r = ioctl(fd, SIOCSIFADDR, &ifr); break; #endif default: fprintf(stderr, _("Don't know how to set addresses for family %d.\n"), ap->af); exit(1); } if (r < 0) { perror("SIOCSIFADDR"); goterr = 1; } } /* * Don't do the set_flag() if the address is an alias with a - at the * end, since it's deleted already! - Roman * * Should really use regex.h here, not sure though how well it'll go * with the cross-platform support etc. */ { char *ptr; short int found_colon = 0; for (ptr = ifr.ifr_name; *ptr; ptr++ ) if (*ptr == ':') found_colon++; if (!(found_colon && *(ptr - 1) == '-')) goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING)); } spp++; } if (neednetmask) { goterr |= set_netmask(skfd, &ifr, &samask); didnetmask++; } if (opt_v && goterr) fprintf(stderr, _("WARNING: at least one error occured. (%d)\n"), goterr); return (goterr); }
int arp_main(int argc, char **argv) { int what, i; /* Initialize variables... */ if ((hw = get_hwtype(DFLT_HW)) == NULL) { bb_error_msg("%s: hardware type not supported!\n", DFLT_HW); return -1; } if ((ap = get_aftype(DFLT_AF)) == NULL) { bb_error_msg("%s: address family not supported!\n", DFLT_AF); return -1; } what = 0; /* Fetch the command-line arguments. */ while ((i = getopt(argc, argv, "A:H:adfp:nsei:t:vh?DNV")) != EOF) switch (i) { case 'a': what = 1; opt_a = 1; break; case 'f': what = 2; break; case 'd': what = 3; break; case 's': what = 4; break; case 'e': opt_e = 1; break; case 'n': opt_n = 1; break; case 'D': opt_D = 1; break; case 'v': opt_v = 1; break; case 'A': case 'p': ap = get_aftype(optarg); if (ap == NULL) { bb_error_msg("%s: unknown address family.\n", optarg); exit(-1); } break; case 'H': case 't': hw = get_hwtype(optarg); if (hw == NULL) { bb_error_msg("%s: unknown hardware type.\n", optarg); exit(-1); } hw_set = 1; break; case 'i': safe_strncpy(device, optarg, sizeof(device)); break; case '?': case 'h': default: bb_show_usage(); } if (ap->af != AF_INET) { bb_error_msg("%s: kernel only supports 'inet'.\n", ap->name); exit(-1); } /* If not hw type specified get default */ if (hw_set==0) { if ((hw = get_hwtype(DFLT_HW)) == NULL) { bb_error_msg("%s: hardware type not supported!\n", DFLT_HW); return (-1); } } if (hw->alen <= 0) { bb_error_msg("%s: hardware type without ARP support.\n", hw->name); exit(-1); } if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { perror("socket"); return -1; } /* Now see what we have to do here... */ switch (what) { case 0: opt_e = 1; what = arp_show(argv[optind]); break; case 1: /* show an ARP entry in the cache */ what = arp_show(argv[optind]); break; case 2: /* process an EtherFile */ what = arp_file(argv[optind] ? argv[optind] : "/etc/ethers"); break; case 3: /* delete an ARP entry from the cache */ what = arp_del(&argv[optind]); break; case 4: /* set an ARP entry in the cache */ what = arp_set(&argv[optind]); break; default: bb_show_usage(); } return what; }
int arp_main(int argc, char **argv) { char *hw_type; char *protocol; unsigned int ulRet = 0; /* Initialize variables... */ ap = get_aftype(DFLT_AF); if (!ap) bb_error_msg_and_die("%s: %s not supported", DFLT_AF, "address family"); getopt32(argv, "A:c:H:t:i:adnDsv", &protocol, &protocol, &hw_type, &hw_type, &device); argv += optind; /*start of atp add code for arp send mac by ourself by c00126165 2008-7-15*/ ulRet = atp_arp_send_packet_main(protocol,(char *)device); if (ulRet == 1) { return 0; } /*end of atp add code for arp send mac by ourself by c00126165 2008-7-15*/ if (option_mask32 & ARP_OPT_A || option_mask32 & ARP_OPT_p) { ap = get_aftype(protocol); if (ap == NULL) bb_error_msg_and_die("%s: unknown %s", protocol, "address family"); } if (option_mask32 & ARP_OPT_A || option_mask32 & ARP_OPT_p) { hw = get_hwtype(hw_type); if (hw == NULL) bb_error_msg_and_die("%s: unknown %s", hw_type, "hardware type"); hw_set = 1; } //if (option_mask32 & ARP_OPT_i)... -i if (ap->af != AF_INET) { bb_error_msg_and_die("%s: kernel only supports 'inet'", ap->name); } /* If no hw type specified get default */ if (!hw) { hw = get_hwtype(DFLT_HW); if (!hw) bb_error_msg_and_die("%s: %s not supported", DFLT_HW, "hardware type"); } if (hw->alen <= 0) { bb_error_msg_and_die("%s: %s without ARP support", hw->name, "hardware type"); } sockfd = xsocket(AF_INET, SOCK_DGRAM, 0); /* Now see what we have to do here... */ if (option_mask32 & (ARP_OPT_d|ARP_OPT_s)) { if (argv[0] == NULL) bb_error_msg_and_die("need host name"); if (option_mask32 & ARP_OPT_s) return arp_set(argv); return arp_del(argv); } //if (option_mask32 & ARP_OPT_a) - default return arp_show(argv[0]); }
int main(int argc, char **argv) { int result = 0, mode = 0, c, nargs = 0, verbose = 0; char *args[3]; struct hostent *hp; int fd; #if I18N setlocale (LC_ALL, ""); bindtextdomain("net-tools", "/usr/share/locale"); textdomain("net-tools"); #endif /* Get a default hardware type. */ hardware = get_hwtype(DFLT_HW); do { c = getopt_long(argc, argv, "-ht:aHdsVvf", longopts, NULL); switch (c) { case EOF: break; case 'h': usage(); case 'V': fprintf(stderr, version_string); exit(E_VERSION); break; case 'v': verbose++; break; case 'a': case 's': case 'd': if (mode) { fprintf(stderr, _("%s: illegal option mix.\n"), argv[0]); usage(); } else { mode = (c == 'a' ? MODE_DISPLAY : (c == 'd' ? MODE_DELETE : MODE_SET)); } break; case 'f': mode = MODE_ETHERS; break; case 'H': case 't': if (optarg) { hardware = get_hwtype(optarg); } else { usage(); } break; case 1: if (nargs == 2) { usage(); exit(1); } else { args[nargs++] = optarg; } break; default: usage(); } } while (c != EOF); if (hardware == NULL) { fprintf(stderr, _("rarp: %s: unknown hardware type.\n"), optarg); exit(1); } switch (mode) { case 0: usage(); case MODE_DISPLAY: if (nargs != (mode - 1)) { usage(); } result = display_cache(); break; case MODE_DELETE: case MODE_SET: if (nargs != (mode - 1)) { usage(); } if ((hp = gethostbyname(args[0])) == NULL) { fprintf(stderr, _("rarp: %s: unknown host\n"), args[0]); exit(1); } if (fd = socket(PF_INET, SOCK_DGRAM, 0), fd < 0) { perror("socket"); exit(1); } result = (mode == MODE_DELETE) ? rarp_delete(fd, hp) : rarp_set(fd, hp, args[1]); close(fd); break; case MODE_ETHERS: if (nargs != 0 && nargs != 1) usage(); if (fd = socket(PF_INET, SOCK_DGRAM, 0), fd < 0) { perror("socket"); exit(1); } result = rarp_file(fd, nargs ? args[0] : _PATH_ETHERS); close(fd); } exit(result); }