static void ni_dhcp4_tester_protocol_event(enum ni_dhcp4_event ev, const ni_dhcp4_device_t *dev, ni_addrconf_lease_t *lease) { ni_debug_dhcp("%s(ev=%u, dev=%s[%u], config-uuid=%s)", __func__, ev, dev->ifname, dev->link.ifindex, dev->config ? ni_uuid_print(&dev->config->uuid) : "<none>"); switch (ev) { case NI_DHCP4_EVENT_ACQUIRED: if (lease && lease->state == NI_ADDRCONF_STATE_GRANTED) { FILE *fp = stdout; if (dhcp4_tester_opts.output != NULL) { fp = fopen(dhcp4_tester_opts.output, "w"); if (!fp) { ni_error("Cannot open %s for output", dhcp4_tester_opts.output); dhcp4_tester_status = NI_WICKED_RC_ERROR; return; } } if (dhcp4_tester_opts.outfmt == NI_DHCP4_TESTER_OUT_LEASE_XML) { xml_node_t *xml = NULL; if (ni_addrconf_lease_to_xml(lease, &xml, dev->ifname) != 0) { if (dhcp4_tester_opts.output) fclose(fp); dhcp4_tester_status = NI_WICKED_RC_ERROR; return; } xml_node_print(xml, fp); xml_node_free(xml); } else { ni_leaseinfo_dump(fp, lease, dev->ifname, NULL); } fflush(fp); if (dhcp4_tester_opts.output) fclose(fp); dhcp4_tester_status = NI_WICKED_RC_SUCCESS; } break; default: break; } }
/* * Install information from a lease, and remember that we did */ static ni_bool_t ni_system_updater_install(ni_updater_t *updater, const ni_addrconf_lease_t *lease, const char *ifname) { ni_string_array_t arguments = NI_STRING_ARRAY_INIT; const char *statedir = NULL; char *file = NULL; ni_bool_t result = FALSE; int rv = 0; ni_debug_ifconfig("Updating system %s settings from %s/%s lease", ni_updater_name(updater->kind), ni_addrconf_type_to_name(lease->type), ni_addrfamily_type_to_name(lease->family)); if (!updater->proc_install) return TRUE; if (!ifname || (!updater->have_backup && !ni_system_updater_backup(updater, ifname))) return FALSE; ni_string_array_append(&arguments, "-i"); ni_string_array_append(&arguments, ifname); ni_string_array_append(&arguments, "-t"); ni_string_array_append(&arguments, ni_addrconf_type_to_name(lease->type)); ni_string_array_append(&arguments, "-f"); ni_string_array_append(&arguments, ni_addrfamily_type_to_name(lease->family)); switch (updater->kind) { case NI_ADDRCONF_UPDATER_GENERIC: switch (updater->format) { case NI_ADDRCONF_UPDATER_FORMAT_INFO: ni_leaseinfo_dump(NULL, lease, ifname, NULL); if (!(file = ni_leaseinfo_path(ifname, lease->type, lease->family))) { ni_error("Unable to determine leaseinfo file path."); goto done; } ni_string_array_append(&arguments, file); break; default: ni_error("Unsupported %s updater data format.", ni_updater_name(updater->kind)); goto done; } ni_string_array_append(&arguments, ni_updater_format_name(updater->format)); break; case NI_ADDRCONF_UPDATER_RESOLVER: statedir = ni_extension_statedir(ni_updater_name(updater->kind)); if (!statedir) { ni_error("failed to get %s statedir", ni_updater_name(updater->kind)); goto done; } ni_string_printf(&file, "%s/resolv.conf.%s.%s.%s", statedir, ifname, ni_addrconf_type_to_name(lease->type), ni_addrfamily_type_to_name(lease->family)); ni_string_array_append(&arguments, file); if ((rv = ni_resolver_write_resolv_conf(file, lease->resolver, NULL)) < 0) { ni_error("failed to write resolver info to file: %s", ni_strerror(rv)); goto done; } break; case NI_ADDRCONF_UPDATER_HOSTNAME: if (!ni_string_empty(lease->hostname)) { ni_string_array_append(&arguments, lease->hostname); } else { const ni_address_t *ap; char *name = NULL; unsigned int count; /* bnc#861476 workaround */ if (!can_try_reverse_lookup(lease)) goto done; for (count = 0, ap = lease->addrs; ap; ap = ap->next) { if (!ni_sockaddr_is_specified(&ap->local_addr)) continue; if (!ni_resolve_reverse_timed(&ap->local_addr, &name, NI_UPDATER_REVERSE_TIMEOUT)) break; ni_info("Unable to resolve %s to hostname", ni_sockaddr_print(&ap->local_addr)); if (++count >= NI_UPDATER_REVERSE_MAX_CNT) break; } if (ni_string_empty(name)) { ni_note("Skipping hostname update, none available"); goto done; } ni_string_array_append(&arguments, name); ni_string_free(&name); } break; default: ni_error("cannot install new %s settings - file format not understood", ni_updater_name(updater->kind)); goto done; } if (!ni_system_updater_run(updater->proc_install, &arguments)) { ni_error("failed to install %s settings", ni_updater_name(updater->kind)); goto done; } result = TRUE; switch (updater->kind) { case NI_ADDRCONF_UPDATER_RESOLVER: if (ni_global.other_event) ni_global.other_event(NI_EVENT_RESOLVER_UPDATED); break; case NI_ADDRCONF_UPDATER_HOSTNAME: if (ni_global.other_event) ni_global.other_event(NI_EVENT_HOSTNAME_UPDATED); break; case NI_ADDRCONF_UPDATER_GENERIC: if (ni_global.other_event) ni_global.other_event(NI_EVENT_GENERIC_UPDATED); break; default: break; } done: if (file) free(file); ni_string_array_destroy(&arguments); return result; }