static int ni_do_duid_create(int argc, char **argv) { enum { OPT_HELP = 'h' }; static struct option options[] = { { "help", no_argument, NULL, OPT_HELP }, { NULL, no_argument, NULL, 0 } }; int opt = 0, status = NI_WICKED_RC_USAGE; const char *type = NULL; char *command = NULL; optind = 1; while ((opt = getopt_long(argc, argv, "+h", options, NULL)) != EOF) { switch (opt) { case OPT_HELP: status = NI_WICKED_RC_SUCCESS; default: usage: fprintf(stderr, "Usage: %s [options] <ll|llt|en|uuid> ...\n" "\n" "Options:\n" " --help, -h show this help text and exit.\n" "\n", argv[0]); goto cleanup; } } if (optind >= argc || ni_string_empty(argv[optind])) { fprintf(stderr, "%s: missing duid type argument\n\n", argv[0]); goto usage; } type = argv[optind]; ni_string_printf(&command, "%s %s", argv[0], type); argv[optind] = command; if (ni_string_eq(type, "ll")) { status = ni_do_duid_create_ll(argc - optind, argv + optind); } else if (ni_string_eq(type, "llt")) { status = ni_do_duid_create_llt(argc - optind, argv + optind); } else if (ni_string_eq(type, "en")) { status = ni_do_duid_create_en(argc - optind, argv + optind); } else if (ni_string_eq(type, "uuid")) { status = ni_do_duid_create_uuid(argc - optind, argv + optind); } else { argv[optind] = (char *)type; fprintf(stderr, "%s: unsupported duid type '%s'\n", argv[0], ni_print_suspect(type, ni_string_len(type))); goto usage; } argv[optind] = (char *)type; cleanup: ni_string_free(&command); return status; }
static int ni_do_duid_del(int argc, char **argv) { enum { OPT_HELP = 'h', OPT_SCOPE = 's' }; static struct option options[] = { { "help", no_argument, NULL, OPT_HELP }, { "scope", required_argument, NULL, OPT_SCOPE }, { NULL, no_argument, NULL, 0 } }; int opt = 0, status = NI_WICKED_RC_USAGE; ni_duid_map_t *map = NULL; const char *scope = NULL; optind = 1; while ((opt = getopt_long(argc, argv, "+hs:", options, NULL)) != EOF) { switch (opt) { case OPT_SCOPE: if (optarg && !ni_string_eq(optarg, "default")) scope = optarg; break; case OPT_HELP: status = NI_WICKED_RC_SUCCESS; default: usage: fprintf(stderr, "Usage: %s [options]\n" "\n" "Options:\n" " --help, -h show this help text and exit.\n" " --scope <ifname> delete device specific duid instead of default\n" "\n", argv[0]); goto cleanup; } } if (argc - optind) goto usage; if (scope && !ni_netdev_name_is_valid(scope)) { fprintf(stderr, "%s: invalid scope interface name '%s'\n", argv[0], ni_print_suspect(scope, ni_string_len(scope))); status = NI_WICKED_RC_ERROR; goto cleanup; } status = NI_WICKED_RC_ERROR; if (!(map = ni_duid_map_load(NULL))) goto cleanup; if (ni_duid_map_del(map, scope)) { if (ni_duid_map_save(map)) status = NI_WICKED_RC_SUCCESS; } cleanup: ni_duid_map_free(map); return status; }
static int ni_dhcp4_option_get_domain_list(ni_buffer_t *bp, ni_string_array_t *var, const char *what) { ni_string_array_t list = NI_STRING_ARRAY_INIT; unsigned int len, i; char *tmp = NULL; if (ni_dhcp4_option_get_string(bp, &tmp, &len) < 0) return -1; /* * Hack to accept "compatibility abuse" of dns domain name * option containing multiple domains instead to send them * using a dns-search option... */ if (!ni_string_split(&list, tmp, " ", 0)) { ni_warn("Discarded suspect %s: '%s'", what, ni_print_suspect(tmp, len)); free(tmp); return -1; } for (i = 0; i < list.count; ++i) { const char *dom = list.data[i]; if (!ni_check_domain_name(dom, ni_string_len(dom), 0)) { ni_warn("Discarded suspect %s: '%s'", what, ni_print_suspect(tmp, len)); ni_string_array_destroy(&list); free(tmp); return -1; } } if (list.count != 1) { ni_warn("Abuse of %s option to provide a list: '%s'", what, tmp); } free(tmp); ni_string_array_move(var, &list); return 0; }
static int ni_dhcp_option_get_printable(ni_buffer_t *bp, char **var, const char *what) { unsigned int len; char *tmp = NULL; if (ni_dhcp_option_get_string(bp, &tmp, &len) < 0) return -1; if (!ni_check_printable(tmp, len)) { ni_debug_dhcp("Discarded non-printable %s: %s", what, ni_print_suspect(tmp, len)); free(tmp); return -1; } if (*var) free(*var); *var = tmp; return 0; }
static int ni_dhcp4_option_get_pathname(ni_buffer_t *bp, char **var, const char *what) { unsigned int len; char *tmp = NULL; if (ni_dhcp4_option_get_string(bp, &tmp, &len) < 0) return -1; if (!ni_check_pathname(tmp, len)) { ni_warn("Discarded suspect %s: '%s'", what, ni_print_suspect(tmp, len)); free(tmp); return -1; } if (*var) free(*var); *var = tmp; return 0; }
static int __ni_rtevent_process_dnssl_info(ni_netdev_t *dev, const struct nd_opt_hdr *opt, size_t len) { const struct ni_nd_opt_dnssl_info_p *dopt; ni_ipv6_devinfo_t *ipv6; unsigned int lifetime; struct timeval acquired; size_t length, cnt, off; ni_bool_t emit = FALSE; char domain[256]; if (opt == NULL || len < sizeof(*dopt)) { ni_error("%s: unable to parse ipv6 dnssl info event data -- too short", dev->name); return -1; } ipv6 = ni_netdev_get_ipv6(dev); if (!ipv6) { ni_error("%s: unable to allocate device ipv6 structure: %m", dev->name); return -1; } dopt = (const struct ni_nd_opt_dnssl_info_p *)opt; len -= sizeof(*dopt); ni_timer_get_time(&acquired); lifetime = ntohl(dopt->nd_opt_dnssl_lifetime); length = 0; domain[length] = '\0'; for (off = 0; off < len ; ) { cnt = dopt->nd_opt_dnssl_list[off++]; if (cnt == 0) { /* just padding */ if (domain[0] == '\0') continue; domain[length] = '\0'; if (!ni_check_domain_name(domain, length, 0)) { ni_debug_verbose(NI_LOG_DEBUG, NI_TRACE_IPV6|NI_TRACE_EVENTS, "%s: ignoring suspect DNSSL domain: %s", dev->name, ni_print_suspect(domain, length)); } else if (!ni_ipv6_ra_dnssl_list_update(&ipv6->radv.dnssl, domain, lifetime, &acquired)) { ni_debug_verbose(NI_LOG_DEBUG, NI_TRACE_IPV6|NI_TRACE_EVENTS, "%s: unable to track ipv6 dnssl domain %s", dev->name, domain); } else emit = TRUE; length = 0; domain[length] = '\0'; continue; } if ((off + cnt >= len) || (length + cnt + 2 > sizeof(domain))) break; if (length) domain[length++] = '.'; memcpy(&domain[length], &dopt->nd_opt_dnssl_list[off], cnt); off += cnt; length += cnt; domain[length] = '\0'; } if (emit) __ni_netdev_nduseropt_event(dev, NI_EVENT_DNSSL_UPDATE); return 0; }
/* * Process a request to reconfigure the device (ie rebind a lease, or discover * a new lease). */ int ni_dhcp4_acquire(ni_dhcp4_device_t *dev, const ni_dhcp4_request_t *info) { ni_dhcp4_config_t *config; const char *classid; size_t len; int rv; if ((rv = ni_dhcp4_device_refresh(dev)) < 0) return rv; config = xcalloc(1, sizeof(*config)); config->dry_run = info->dry_run; config->resend_timeout = NI_DHCP4_RESEND_TIMEOUT_INIT; config->request_timeout = info->acquire_timeout?: NI_DHCP4_REQUEST_TIMEOUT; config->initial_discovery_timeout = NI_DHCP4_DISCOVERY_TIMEOUT; config->uuid = info->uuid; config->flags = info->flags; config->update = info->update; config->route_priority = info->route_priority; config->start_delay = info->start_delay; config->recover_lease = info->recover_lease; config->release_lease = info->release_lease; config->max_lease_time = ni_dhcp4_config_max_lease_time(); if (config->max_lease_time == 0) config->max_lease_time = ~0U; if (info->lease_time && info->lease_time < config->max_lease_time) config->max_lease_time = info->lease_time; if ((len = ni_string_len(info->hostname)) > 0) { if (ni_check_domain_name(info->hostname, len, 0)) { strncpy(config->hostname, info->hostname, sizeof(config->hostname) - 1); } else { ni_debug_dhcp("Discarded request to use suspect hostname: '%s'", ni_print_suspect(info->hostname, len)); } } if (info->clientid) { ni_dhcp4_parse_client_id(&config->client_id, dev->system.hwaddr.type, info->clientid); } else { /* Set client ID from interface hwaddr */ ni_dhcp4_set_client_id(&config->client_id, &dev->system.hwaddr); } if ((classid = info->vendor_class) == NULL) classid = ni_dhcp4_config_vendor_class(); if (classid) strncpy(config->classid, classid, sizeof(config->classid) - 1); config->doflags = DHCP4_DO_DEFAULT; config->doflags |= ni_dhcp4_do_bits(info->update); if (ni_debug & NI_TRACE_DHCP) { ni_trace("Received request:"); ni_trace(" acquire-timeout %u", config->request_timeout); ni_trace(" lease-time %u", config->max_lease_time); ni_trace(" start-delay %u", config->start_delay); ni_trace(" hostname %s", config->hostname[0]? config->hostname : "<none>"); ni_trace(" vendor-class %s", config->classid[0]? config->classid : "<none>"); ni_trace(" client-id %s", ni_print_hex(config->client_id.data, config->client_id.len)); ni_trace(" uuid %s", ni_uuid_print(&config->uuid)); ni_trace(" update-flags %s", __ni_dhcp4_print_doflags(config->doflags)); ni_trace(" recover_lease %s", config->recover_lease ? "true" : "false"); ni_trace(" release_lease %s", config->release_lease ? "true" : "false"); } ni_dhcp4_device_set_config(dev, config); if (!dev->lease) ni_dhcp4_recover_lease(dev); if (dev->lease) { if (!ni_addrconf_lease_is_valid(dev->lease) || (config->client_id.len && !ni_opaque_eq(&config->client_id, &dev->lease->dhcp4.client_id))) { ni_debug_dhcp("%s: lease doesn't match request", dev->ifname); ni_dhcp4_device_drop_lease(dev); dev->notify = 1; } } ni_note("%s: Request to acquire DHCPv4 lease with UUID %s", dev->ifname, ni_uuid_print(&config->uuid)); if (ni_dhcp4_device_start(dev) < 0) return -1; return 1; }
/* * Parse a DHCP response. * FIXME: RFC2131 states that the server is allowed to split a DHCP option into * several (partial) options if the total length exceeds 255 octets. We don't * handle this yet. */ int ni_dhcp_parse_response(const ni_dhcp_message_t *message, ni_buffer_t *options, ni_addrconf_lease_t **leasep) { ni_buffer_t overload_buf; ni_addrconf_lease_t *lease; ni_route_array_t default_routes = NI_ROUTE_ARRAY_INIT; ni_route_array_t static_routes = NI_ROUTE_ARRAY_INIT; ni_route_array_t classless_routes = NI_ROUTE_ARRAY_INIT; ni_string_array_t dns_servers = NI_STRING_ARRAY_INIT; ni_string_array_t dns_search = NI_STRING_ARRAY_INIT; ni_string_array_t nis_servers = NI_STRING_ARRAY_INIT; char *nisdomain = NULL; char *dnsdomain = NULL; int opt_overload = 0; int msg_type = -1; int use_bootserver = 1; int use_bootfile = 1; lease = ni_addrconf_lease_new(NI_ADDRCONF_DHCP, AF_INET); lease->state = NI_ADDRCONF_STATE_GRANTED; lease->type = NI_ADDRCONF_DHCP; lease->family = AF_INET; lease->time_acquired = time(NULL); lease->dhcp.address.s_addr = message->yiaddr; lease->dhcp.serveraddress.s_addr = message->siaddr; lease->dhcp.address.s_addr = message->yiaddr; parse_more: /* Loop as long as we still have data in the buffer. */ while (ni_buffer_count(options) && !options->underflow) { ni_buffer_t buf; int option; option = ni_dhcp_option_next(options, &buf); //ni_debug_dhcp("handle option %s (%d)", ni_dhcp_option_name(option), option); if (option == DHCP_PAD) continue; if (option == DHCP_END) break; if (option < 0) goto error; if (ni_buffer_count(&buf) == 0) { ni_error("option %d has zero length", option); goto error; } switch (option) { case DHCP_MESSAGETYPE: msg_type = ni_buffer_getc(&buf); if (msg_type < 0) goto error; continue; case DHCP_ADDRESS: ni_dhcp_option_get_ipv4(&buf, &lease->dhcp.address); break; case DHCP_NETMASK: ni_dhcp_option_get_ipv4(&buf, &lease->dhcp.netmask); break; case DHCP_BROADCAST: ni_dhcp_option_get_ipv4(&buf, &lease->dhcp.broadcast); break; case DHCP_SERVERIDENTIFIER: ni_dhcp_option_get_ipv4(&buf, &lease->dhcp.serveraddress); break; case DHCP_LEASETIME: ni_dhcp_option_get32(&buf, &lease->dhcp.lease_time); break; case DHCP_RENEWALTIME: ni_dhcp_option_get32(&buf, &lease->dhcp.renewal_time); break; case DHCP_REBINDTIME: ni_dhcp_option_get32(&buf, &lease->dhcp.rebind_time); break; case DHCP_MTU: ni_dhcp_option_get16(&buf, &lease->dhcp.mtu); /* Minimum legal mtu is 68 accoridng to * RFC 2132. In practise it's 576 which is the * minimum maximum message size. */ if (lease->dhcp.mtu < MTU_MIN) { ni_debug_dhcp("MTU %u is too low, minimum is %d; ignoring", lease->dhcp.mtu, MTU_MIN); lease->dhcp.mtu = 0; } break; case DHCP_HOSTNAME: ni_dhcp_option_get_domain(&buf, &lease->hostname, "hostname"); break; case DHCP_DNSDOMAIN: ni_dhcp_option_get_domain(&buf, &dnsdomain, "dns-domain"); break; case DHCP_MESSAGE: ni_dhcp_option_get_printable(&buf, &lease->dhcp.message, "dhcp-message"); break; case DHCP_ROOTPATH: ni_dhcp_option_get_pathname(&buf, &lease->dhcp.rootpath, "root-path"); break; case DHCP_NISDOMAIN: ni_dhcp_option_get_domain(&buf, &nisdomain, "nis-domain"); break; case DHCP_NETBIOSNODETYPE: ni_dhcp_option_get_netbios_type(&buf, &lease->netbios_type); break; case DHCP_NETBIOSSCOPE: ni_dhcp_option_get_domain(&buf, &lease->netbios_scope, "netbios-scope"); break; case DHCP_DNSSERVER: ni_dhcp_decode_address_list(&buf, &dns_servers); break; case DHCP_NTPSERVER: ni_dhcp_decode_address_list(&buf, &lease->ntp_servers); break; case DHCP_NISSERVER: ni_dhcp_decode_address_list(&buf, &nis_servers); break; case DHCP_LPRSERVER: ni_dhcp_decode_address_list(&buf, &lease->lpr_servers); break; case DHCP_LOGSERVER: ni_dhcp_decode_address_list(&buf, &lease->log_servers); break; case DHCP_NETBIOSNAMESERVER: ni_dhcp_decode_address_list(&buf, &lease->netbios_name_servers); break; case DHCP_NETBIOSDDSERVER: ni_dhcp_decode_address_list(&buf, &lease->netbios_dd_servers); break; case DHCP_DNSSEARCH: ni_dhcp_decode_dnssearch(&buf, &dns_search, "dns-search domain"); break; case DHCP_CSR: case DHCP_MSCSR: ni_route_array_destroy(&classless_routes); if (ni_dhcp_decode_csr(&buf, &classless_routes) < 0) goto error; break; case DHCP_SIPSERVER: ni_dhcp_decode_sipservers(&buf, &lease->sip_servers); break; case DHCP_STATICROUTE: ni_route_array_destroy(&static_routes); if (ni_dhcp_decode_static_routes(&buf, &static_routes) < 0) goto error; break; case DHCP_ROUTERS: ni_route_array_destroy(&default_routes); if (ni_dhcp_decode_routers(&buf, &default_routes) < 0) goto error; break; case DHCP_OPTIONSOVERLOADED: if (options != &overload_buf) { opt_overload = ni_buffer_getc(&buf); } else { ni_debug_dhcp("DHCP: ignoring OVERLOAD option in overloaded data"); (void) ni_buffer_getc(&buf); } break; case DHCP_FQDN: /* We ignore replies about FQDN */ break; default: ni_debug_dhcp("ignoring unsupported DHCP code %u", option); break; } if (buf.underflow) { ni_debug_dhcp("unable to parse DHCP option %s: too short", ni_dhcp_option_name(option)); goto error; } else if (ni_buffer_count(&buf)) { ni_debug_dhcp("excess data in DHCP option %s - %u bytes left", ni_dhcp_option_name(option), ni_buffer_count(&buf)); } } if (options->underflow) { ni_debug_dhcp("unable to parse DHCP response: truncated packet"); goto error; } if (opt_overload) { const void *more_data = NULL; size_t size = 0; if (opt_overload & DHCP_OVERLOAD_BOOTFILE) { use_bootfile = 0; more_data = message->bootfile; size = sizeof(message->bootfile); opt_overload &= ~DHCP_OVERLOAD_BOOTFILE; } else if (opt_overload & DHCP_OVERLOAD_SERVERNAME) { use_bootserver = 0; more_data = message->servername; size = sizeof(message->servername); opt_overload &= ~DHCP_OVERLOAD_SERVERNAME; } else { opt_overload = 0; } if (more_data) { ni_buffer_init_reader(&overload_buf, (void *) more_data, size); options = &overload_buf; goto parse_more; } } if (use_bootserver && message->servername[0]) { char tmp[sizeof(message->servername)]; size_t len; assert(sizeof(lease->dhcp.servername) == sizeof(message->servername)); memcpy(tmp, message->servername, sizeof(tmp)); tmp[sizeof(tmp)-1] = '\0'; len = ni_string_len(tmp); if (ni_check_domain_name(tmp, len, 0)) { memcpy(lease->dhcp.servername, tmp, sizeof(lease->dhcp.servername)); } else { ni_debug_dhcp("Discarded suspect boot-server name: %s", ni_print_suspect(tmp, len)); } } if (use_bootfile && message->bootfile[0]) { char tmp[sizeof(message->bootfile)]; size_t len; memcpy(tmp, message->bootfile, sizeof(tmp)); tmp[sizeof(tmp)-1] = '\0'; len = ni_string_len(tmp); if (ni_check_pathname(tmp, len)) { ni_string_dup(&lease->dhcp.bootfile, tmp); } else { ni_debug_dhcp("Discarded suspect boot-file name: %s", ni_print_suspect(tmp, len)); } } /* Fill in any missing fields */ if (!lease->dhcp.netmask.s_addr) { unsigned int pfxlen = guess_prefix_len(lease->dhcp.address); lease->dhcp.netmask.s_addr = htonl(~(0xFFFFFFFF >> pfxlen)); }
/* * Decode an RFC3397 DNS search order option. */ static int ni_dhcp_decode_dnssearch(ni_buffer_t *optbuf, ni_string_array_t *list, const char *what) { ni_stringbuf_t namebuf = NI_STRINGBUF_INIT_DYNAMIC; unsigned char *base = ni_buffer_head(optbuf); unsigned int base_offset = optbuf->head; size_t len; ni_string_array_destroy(list); while (ni_buffer_count(optbuf) && !optbuf->underflow) { ni_buffer_t *bp = optbuf; ni_buffer_t jumpbuf; while (1) { unsigned int pos = bp->head - base_offset; unsigned int pointer; char label[64]; int length; if ((length = ni_buffer_getc(bp)) < 0) goto failure; /* unexpected EOF */ if (length == 0) break; /* end of this name */ switch (length & 0xC0) { case 0: /* Plain name component */ if (ni_buffer_get(bp, label, length) < 0) goto failure; label[length] = '\0'; if (!ni_stringbuf_empty(&namebuf)) ni_stringbuf_putc(&namebuf, '.'); ni_stringbuf_puts(&namebuf, label); break; case 0xC0: /* Pointer */ pointer = (length & 0x3F) << 8; if ((length = ni_buffer_getc(bp)) < 0) goto failure; pointer |= length; if (pointer >= pos) goto failure; ni_buffer_init_reader(&jumpbuf, base, pos); jumpbuf.head = pointer; bp = &jumpbuf; break; default: goto failure; } } if (!ni_stringbuf_empty(&namebuf)) { len = ni_string_len(namebuf.string); if (ni_check_domain_name(namebuf.string, len, 0)) { ni_string_array_append(list, namebuf.string); } else { ni_debug_dhcp("Discarded suspect %s: %s", what, ni_print_suspect(namebuf.string, len)); } } ni_stringbuf_destroy(&namebuf); } return 0; failure: ni_stringbuf_destroy(&namebuf); ni_string_array_destroy(list); return -1; }
static int ni_do_duid_create_uuid(int argc, char **argv) { enum { OPT_HELP = 'h', OPT_SCOPE = 's', OPT_UPDATE = 'u', OPT_MACHINE_ID = 'm', OPT_PRODUCT_ID = 'p' }; static struct option options[] = { { "help", no_argument, NULL, OPT_HELP }, { "scope", required_argument, NULL, OPT_SCOPE }, { "update", no_argument, NULL, OPT_UPDATE }, { "machine-id", optional_argument, NULL, OPT_MACHINE_ID }, { "product-id", optional_argument, NULL, OPT_PRODUCT_ID }, { NULL, no_argument, NULL, 0 } }; int opt = 0, status = NI_WICKED_RC_USAGE; const char *scope = NULL; ni_bool_t update = FALSE; unsigned int type = 0; const char *from = NULL; const char *hex = NULL; ni_opaque_t raw; optind = 1; while ((opt = getopt_long(argc, argv, "+hs:um::p::", options, NULL)) != EOF) { switch (opt) { case OPT_MACHINE_ID: type = OPT_MACHINE_ID; from = optarg; break; case OPT_PRODUCT_ID: type = OPT_PRODUCT_ID; from = optarg; break; case OPT_UPDATE: update = TRUE; break; case OPT_SCOPE: if (optarg && !ni_string_eq(optarg, "default")) scope = optarg; break; case OPT_HELP: status = NI_WICKED_RC_SUCCESS; default: usage: fprintf(stderr, "Usage: %s [options] [uuid]\n" "\n" "Options:\n" " --help, -h show this help text and exit.\n" " --scope <ifname> create device specific duid instead of default\n" " --update create a duid and update duid map file\n" " --machine-id[=FILE] import uuid from /etc/machine-id file\n" " --product-id[=FILE] import uuid from dmi product-id sysfs file\n" "\n" "Arguments:\n" " uuid create duid using specified uuid-string\n" "\n", argv[0]); goto cleanup; } } switch (type) { case OPT_MACHINE_ID: case OPT_PRODUCT_ID: if ((argc - optind) != 0) goto usage; break; default: if ((argc - optind) != 1) goto usage; from = argv[optind++]; break; } status = NI_WICKED_RC_ERROR; if (scope && !ni_netdev_name_is_valid(scope)) { fprintf(stderr, "%s: invalid scope interface name '%s'\n", argv[0], ni_print_suspect(scope, ni_string_len(scope))); goto cleanup; } switch (type) { case OPT_MACHINE_ID: if (!ni_duid_create_uuid_machine_id(&raw, from)) { fprintf(stderr, "%s: cannot create duid by importing uuid from machine-id%s%s", argv[0], from ? " file ": "", from ? from : ""); goto cleanup; } break; case OPT_PRODUCT_ID: if (!ni_duid_create_uuid_dmi_product_id(&raw, from)) { fprintf(stderr, "%s: cannot create duid by importing uuid from dmi product-id%s%s", argv[0], from ? " file ": "", from ? from : ""); goto cleanup; } break; default: if (!ni_duid_create_uuid_string(&raw, from)) { fprintf(stderr, "%s: cannot create duid by importing uuid string '%s'", argv[0], from); goto cleanup; } break; } hex = raw.len ? ni_duid_print_hex(&raw) : NULL; if (ni_string_empty(hex)) { fprintf(stderr, "%s: cannot format en duid as a colon-separated hex string\n", argv[0]); goto cleanup; } if (update) { status = ni_do_duid_create_update(scope, hex); if (status != NI_WICKED_RC_SUCCESS) { fprintf(stderr, "%s: cannot update duid map file using the created duid\n", argv[0]); goto cleanup; } } printf("%s\t%s\n", scope ? scope : "default", hex); status = NI_WICKED_RC_SUCCESS; cleanup: return status; }
static int ni_do_duid_create_ll_type(uint16_t type, int argc, char **argv) { enum { OPT_HELP = 'h', OPT_SCOPE = 's', OPT_UPDATE = 'u' }; static struct option options[] = { { "help", no_argument, NULL, OPT_HELP }, { "scope", required_argument, NULL, OPT_SCOPE }, { "update", no_argument, NULL, OPT_UPDATE }, { NULL, no_argument, NULL, 0 } }; int opt = 0, status = NI_WICKED_RC_USAGE; const char *scope = NULL; ni_bool_t update = FALSE; const char *ifname = NULL; const char *hwtype = NULL; const char *hwaddr = NULL; const char *hex = NULL; ni_opaque_t raw; optind = 1; while ((opt = getopt_long(argc, argv, "+hs:u", options, NULL)) != EOF) { switch (opt) { case OPT_UPDATE: update = TRUE; break; case OPT_SCOPE: if (optarg && !ni_string_eq(optarg, "default")) scope = optarg; break; case OPT_HELP: status = NI_WICKED_RC_SUCCESS; default: usage: fprintf(stderr, "Usage: %s [options] [ [ifname] | <hwtype> <hwaddr> ]\n" "\n" "Options:\n" " --help, -h show this help text and exit.\n" " --scope <ifname> create device specific duid instead of default\n" " --update create a duid and update duid map file\n" "\n" "Arguments:\n" " ifname get hardware type and address from interface\n" " htwype hardware type to use in the duid\n" " htaddr hardware address to use in the duid\n" "\n", argv[0]); ni_do_duid_create_ll_print_hwtypes(stderr); goto cleanup; } } switch (argc - optind) { case 2: hwtype = argv[optind++]; hwaddr = argv[optind++]; break; case 1: ifname = argv[optind++]; break; case 0: break; default: goto usage; } status = NI_WICKED_RC_ERROR; if (scope && !ni_netdev_name_is_valid(scope)) { fprintf(stderr, "%s: invalid scope interface name '%s'\n", argv[0], ni_print_suspect(scope, ni_string_len(scope))); goto cleanup; } if (hwtype || hwaddr) { switch (type) { case NI_DUID_TYPE_LL: if (ni_duid_create_ll(&raw, hwtype, hwaddr)) status = NI_WICKED_RC_SUCCESS; break; case NI_DUID_TYPE_LLT: if (ni_duid_create_llt(&raw, hwtype, hwaddr)) status = NI_WICKED_RC_SUCCESS; break; default: break; } if (status != NI_WICKED_RC_SUCCESS) { fprintf(stderr, "%s: cannot create duid using hardware type '%s' and address '%s'\n", argv[0], hwtype, hwaddr); goto cleanup; } } else { ni_netconfig_t *nc = ni_global_state_handle(1); ni_netdev_t *dev = NULL; if (!nc) { fprintf(stderr, "%s: cannot retrieve interface properties", argv[0]); goto cleanup; } if (ifname) { dev = ni_netdev_by_name(nc, ifname); if (!dev || !ni_duid_create_from_device(&raw, type, dev)) { hwtype = dev ? ni_duid_hwtype_to_name(dev->link.hwaddr.type) : "missing"; fprintf(stderr, "%s: unable to create %s duid using %s device '%s'\n", argv[0], ni_duid_type_to_name(type), hwtype ? hwtype : "unsupported", ifname); goto cleanup; } } else { dev = scope ? ni_netdev_by_name(nc, scope) : NULL; if (!ni_duid_create_pref_device(&raw, type, nc, dev)) { fprintf(stderr, "%s: unable to create any %s duid (no usable devices)", argv[0], ni_duid_type_to_name(type)); goto cleanup; } } } status = NI_WICKED_RC_ERROR; hex = raw.len ? ni_duid_print_hex(&raw) : NULL; if (ni_string_empty(hex)) { fprintf(stderr, "%s: cannot format en duid as a colon-separated hex string\n", argv[0]); goto cleanup; } if (update) { status = ni_do_duid_create_update(scope, hex); if (status != NI_WICKED_RC_SUCCESS) { fprintf(stderr, "%s: cannot update duid map file using the created duid\n", argv[0]); goto cleanup; } } printf("%s\t%s\n", scope ? scope : "default", hex); status = NI_WICKED_RC_SUCCESS; cleanup: return status; }
static int ni_do_duid_create_en(int argc, char **argv) { enum { OPT_HELP = 'h', OPT_SCOPE = 's', OPT_UPDATE = 'u' }; static struct option options[] = { { "help", no_argument, NULL, OPT_HELP }, { "scope", required_argument, NULL, OPT_SCOPE }, { "update", no_argument, NULL, OPT_UPDATE }, { NULL, no_argument, NULL, 0 } }; int opt = 0, status = NI_WICKED_RC_USAGE; const char *scope = NULL; ni_bool_t update = FALSE; const char *en = NULL; const char *id = NULL; const char *hex = NULL; ni_opaque_t raw; optind = 1; while ((opt = getopt_long(argc, argv, "+hs:u", options, NULL)) != EOF) { switch (opt) { case OPT_UPDATE: update = TRUE; break; case OPT_SCOPE: if (optarg && !ni_string_eq(optarg, "default")) scope = optarg; break; case OPT_HELP: status = NI_WICKED_RC_SUCCESS; default: usage: fprintf(stderr, "Usage: %s [options] <enterprise-number> <machine-identifier>\n" "\n" "Options:\n" " --help, -h show this help text and exit.\n" " --scope <ifname> create device specific duid instead of default\n" " --update create a duid and update duid map file\n" "\n" "Arguments:\n" " enterprise-number IANA assigned 32bit enterprise number\n" " machine-identifier machine identifier as colon-separated hex bytes\n" "\n", argv[0]); goto cleanup; } } switch (argc - optind) { case 2: en = argv[optind++]; id = argv[optind++]; break; default: goto usage; } status = NI_WICKED_RC_ERROR; if (scope && !ni_netdev_name_is_valid(scope)) { fprintf(stderr, "%s: invalid scope interface name '%s'\n", argv[0], ni_print_suspect(scope, ni_string_len(scope))); goto cleanup; } if (!ni_duid_create_en(&raw, en, id)) { fprintf(stderr, "%s: cannot create duid using enterprise-number '%s' and identifier '%s'\n", argv[0], en, id); goto cleanup; } hex = raw.len ? ni_duid_print_hex(&raw) : NULL; if (ni_string_empty(hex)) { fprintf(stderr, "%s: cannot format en duid as a colon-separated hex string\n", argv[0]); goto cleanup; } if (update) { status = ni_do_duid_create_update(scope, hex); if (status != NI_WICKED_RC_SUCCESS) { fprintf(stderr, "%s: cannot update duid map file using the created duid\n", argv[0]); goto cleanup; } } printf("%s\t%s\n", scope ? scope : "default", hex); status = NI_WICKED_RC_SUCCESS; cleanup: return status; }
static int ni_do_duid_set(int argc, char **argv) { enum { OPT_HELP = 'h', OPT_SCOPE = 's' }; static struct option options[] = { { "help", no_argument, NULL, OPT_HELP }, { "scope", required_argument, NULL, OPT_SCOPE }, { NULL, no_argument, NULL, 0 } }; int opt = 0, status = NI_WICKED_RC_USAGE; ni_duid_map_t *map = NULL; const char *scope = NULL; const char *duid = NULL; ni_opaque_t raw; optind = 1; while ((opt = getopt_long(argc, argv, "+hs:", options, NULL)) != EOF) { switch (opt) { case OPT_SCOPE: if (optarg && !ni_string_eq(optarg, "default")) scope = optarg; break; case OPT_HELP: status = NI_WICKED_RC_SUCCESS; default: usage: fprintf(stderr, "Usage: %s [options] <duid>\n" "\n" "Options:\n" " --help, -h show this help text and exit.\n" " --scope <ifname> set device specific duid instead of default\n" "\n" "Arguments:\n" " duid duid string as colon-separated hex bytes\n" "\n", argv[0]); goto cleanup; } } switch (argc - optind) { case 1: duid = argv[optind++]; break; default: goto usage; } if (scope && !ni_netdev_name_is_valid(scope)) { fprintf(stderr, "%s: invalid scope interface name '%s'\n", argv[0], ni_print_suspect(scope, ni_string_len(scope))); status = NI_WICKED_RC_ERROR; goto cleanup; } if (ni_string_empty(duid) || !ni_duid_parse_hex(&raw, duid)) { fprintf(stderr, "%s: unable to parse duid hex string argument\n", argv[0]); status = NI_WICKED_RC_ERROR; goto cleanup; } status = NI_WICKED_RC_ERROR; if (!(map = ni_duid_map_load(NULL))) goto cleanup; if (!ni_duid_map_set(map, scope, duid)) goto cleanup; if (!ni_duid_map_save(map)) goto cleanup; status = NI_WICKED_RC_SUCCESS; cleanup: ni_duid_map_free(map); return status; }
static int __ni_dhcp4_build_msg_put_our_hostname(const ni_dhcp4_device_t *dev, ni_buffer_t *msgbuf) { const ni_dhcp4_config_t *options = dev->config; size_t len = ni_string_len(options->hostname); if (!len) return 1; /* skipped hint */ if (options->fqdn == FQDN_DISABLE) { char hname[64] = {'\0'}, *end; /* * Truncate the domain part if fqdn to avoid attempts * to update DNS with foo.bar + update-domain. */ strncat(hname, options->hostname, sizeof(hname)-1); if ((end = strchr(hname, '.'))) *end = '\0'; len = ni_string_len(hname); if (ni_check_domain_name(hname, len, 0)) { ni_dhcp4_option_puts(msgbuf, DHCP4_HOSTNAME, hname); ni_debug_verbose(NI_LOG_DEBUG1, NI_TRACE_DHCP, "%s: using hostname: %s", dev->ifname, hname); } else { ni_info("%s: not sending suspect hostname: '%s'", dev->ifname, ni_print_suspect(hname, len)); return 1; } } else if (ni_check_domain_name(options->hostname, len, 0)) { /* IETF DHC-FQDN option(81) * http://tools.ietf.org/html/rfc4702#section-2.1 * * Flags: 0000NEOS * S: 1 => Client requests Server to update * a RR in DNS as well as PTR * O: 1 => Server indicates to client that * DNS has been updated * E: 1 => Name data is DNS format * N: 1 => Client requests Server to not * update DNS */ ni_buffer_putc(msgbuf, DHCP4_FQDN); ni_buffer_putc(msgbuf, len + 3); ni_buffer_putc(msgbuf, options->fqdn & 0x9); ni_buffer_putc(msgbuf, 0); /* from server for PTR RR */ ni_buffer_putc(msgbuf, 0); /* from server for A RR if S=1 */ ni_buffer_put(msgbuf, options->hostname, len); ni_debug_verbose(NI_LOG_DEBUG1, NI_TRACE_DHCP, "%s: using fqdn: %s", dev->ifname, options->hostname); } else { ni_info("%s: not sending suspect fqdn: '%s'", dev->ifname, ni_print_suspect(options->hostname, len)); return 1; } return 0; }