diff options
Diffstat (limited to 'src/core/devices/nm-device-utils.c')
| -rw-r--r-- | src/core/devices/nm-device-utils.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/src/core/devices/nm-device-utils.c b/src/core/devices/nm-device-utils.c new file mode 100644 index 00000000..f40ca570 --- /dev/null +++ b/src/core/devices/nm-device-utils.c @@ -0,0 +1,356 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include "src/core/nm-default-daemon.h" +#include "src/core/dns/nm-dns-manager.h" +#include "src/core/dns/nm-dns-systemd-resolved.h" + +#include "nm-device-utils.h" +#include "nm-core-utils.h" + +/*****************************************************************************/ + +NM_UTILS_LOOKUP_STR_DEFINE( + nm_device_state_queued_state_to_str, + NMDeviceState, + NM_UTILS_LOOKUP_DEFAULT(NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "???"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_UNKNOWN, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "unknown"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_UNMANAGED, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "unmanaged"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_UNAVAILABLE, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "unavailable"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_DISCONNECTED, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "disconnected"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_PREPARE, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "prepare"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_CONFIG, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "config"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_NEED_AUTH, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "need-auth"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_IP_CONFIG, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "ip-config"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_IP_CHECK, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "ip-check"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_SECONDARIES, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "secondaries"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_ACTIVATED, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "activated"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_DEACTIVATING, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "deactivating"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_FAILED, + NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE "failed"), ); + +const char * +nm_device_state_to_str(NMDeviceState state) +{ + return nm_device_state_queued_state_to_str(state) + + NM_STRLEN(NM_PENDING_ACTIONPREFIX_QUEUED_STATE_CHANGE); +} + +NM_UTILS_LOOKUP_STR_DEFINE( + nm_device_state_reason_to_str, + NMDeviceStateReason, + NM_UTILS_LOOKUP_DEFAULT(NULL), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_UNKNOWN, "unknown"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_NONE, "none"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_NOW_MANAGED, "managed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_NOW_UNMANAGED, "unmanaged"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_CONFIG_FAILED, "config-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE, "ip-config-unavailable"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED, "ip-config-expired"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_NO_SECRETS, "no-secrets"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT, "supplicant-disconnect"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED, + "supplicant-config-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED, "supplicant-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT, "supplicant-timeout"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_PPP_START_FAILED, "ppp-start-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_PPP_DISCONNECT, "ppp-disconnect"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_PPP_FAILED, "ppp-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_DHCP_START_FAILED, "dhcp-start-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_DHCP_ERROR, "dhcp-error"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_DHCP_FAILED, "dhcp-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SHARED_START_FAILED, "sharing-start-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SHARED_FAILED, "sharing-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED, "autoip-start-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_AUTOIP_ERROR, "autoip-error"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_AUTOIP_FAILED, "autoip-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_BUSY, "modem-busy"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_NO_DIAL_TONE, "modem-no-dialtone"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER, "modem-no-carrier"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_DIAL_TIMEOUT, "modem-dial-timeout"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_DIAL_FAILED, "modem-dial-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_INIT_FAILED, "modem-init-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_APN_FAILED, "gsm-apn-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_REGISTRATION_NOT_SEARCHING, + "gsm-registration-idle"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_REGISTRATION_DENIED, + "gsm-registration-denied"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_REGISTRATION_TIMEOUT, + "gsm-registration-timeout"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_REGISTRATION_FAILED, + "gsm-registration-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_PIN_CHECK_FAILED, "gsm-pin-check-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_FIRMWARE_MISSING, "firmware-missing"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_REMOVED, "removed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SLEEPING, "sleeping"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_CONNECTION_REMOVED, "connection-removed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_USER_REQUESTED, "user-requested"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_CARRIER, "carrier-changed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED, "connection-assumed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE, "supplicant-available"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND, "modem-not-found"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_BT_FAILED, "bluetooth-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_SIM_NOT_INSERTED, "gsm-sim-not-inserted"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_SIM_PIN_REQUIRED, "gsm-sim-pin-required"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_SIM_PUK_REQUIRED, "gsm-sim-puk-required"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_GSM_SIM_WRONG, "gsm-sim-wrong"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_INFINIBAND_MODE, "infiniband-mode"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED, "dependency-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_BR2684_FAILED, "br2684-bridge-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE, + "modem-manager-unavailable"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SSID_NOT_FOUND, "ssid-not-found"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SECONDARY_CONNECTION_FAILED, + "secondary-connection-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_DCB_FCOE_FAILED, "dcb-fcoe-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED, "teamd-control-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_FAILED, "modem-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_MODEM_AVAILABLE, "modem-available"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SIM_PIN_INCORRECT, "sim-pin-incorrect"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_NEW_ACTIVATION, "new-activation"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_PARENT_CHANGED, "parent-changed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_PARENT_MANAGED_CHANGED, + "parent-managed-changed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_OVSDB_FAILED, "ovsdb-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_IP_ADDRESS_DUPLICATE, "ip-address-duplicate"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_IP_METHOD_UNSUPPORTED, "ip-method-unsupported"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_SRIOV_CONFIGURATION_FAILED, + "sriov-configuration-failed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_STATE_REASON_PEER_NOT_FOUND, "peer-not-found"), ); + +NM_UTILS_LOOKUP_STR_DEFINE(nm_device_mtu_source_to_str, + NMDeviceMtuSource, + NM_UTILS_LOOKUP_DEFAULT_NM_ASSERT("unknown"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_MTU_SOURCE_NONE, "none"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_MTU_SOURCE_PARENT, "parent"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_MTU_SOURCE_IP_CONFIG, "ip-config"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_MTU_SOURCE_CONNECTION, + "connection"), ); + +NM_UTILS_LOOKUP_STR_DEFINE(nm_device_sys_iface_state_to_str, + NMDeviceSysIfaceState, + NM_UTILS_LOOKUP_DEFAULT_NM_ASSERT("unknown"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_SYS_IFACE_STATE_EXTERNAL, "external"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_SYS_IFACE_STATE_ASSUME, "assume"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_SYS_IFACE_STATE_MANAGED, "managed"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_SYS_IFACE_STATE_REMOVED, + "removed"), ); + +NM_UTILS_LOOKUP_STR_DEFINE(nm_device_ip_state_to_str, + NMDeviceIPState, + NM_UTILS_LOOKUP_DEFAULT_WARN("unknown"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_IP_STATE_NONE, "none"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_IP_STATE_WAIT, "wait"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_IP_STATE_CONF, "conf"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_IP_STATE_DONE, "done"), + NM_UTILS_LOOKUP_STR_ITEM(NM_DEVICE_IP_STATE_FAIL, "fail"), ); + +/*****************************************************************************/ + +#define SD_RESOLVED_DNS (1UL << 0) +/* Don't answer request from locally synthesized records (which includes /etc/hosts) */ +#define SD_RESOLVED_NO_SYNTHESIZE (1UL << 11) + +typedef struct { + int addr_family; + NMIPAddr address; + gulong cancellable_id; + GTask * task; + NMDnsSystemdResolvedResolveHandle *resolved_handle; +} ResolveAddrInfo; + +#define _NMLOG_PREFIX_NAME "resolve-addr" +#define _NMLOG_DOMAIN LOGD_CORE +#define _NMLOG2(level, info, ...) \ + G_STMT_START \ + { \ + if (nm_logging_enabled((level), (_NMLOG_DOMAIN))) { \ + ResolveAddrInfo *_info = (info); \ + char _addr_str[NM_UTILS_INET_ADDRSTRLEN]; \ + \ + _nm_log((level), \ + (_NMLOG_DOMAIN), \ + 0, \ + NULL, \ + NULL, \ + _NMLOG_PREFIX_NAME "[" NM_HASH_OBFUSCATE_PTR_FMT \ + ",%s]: " _NM_UTILS_MACRO_FIRST(__VA_ARGS__), \ + NM_HASH_OBFUSCATE_PTR(_info), \ + nm_utils_inet_ntop(_info->addr_family, &_info->address, _addr_str) \ + _NM_UTILS_MACRO_REST(__VA_ARGS__)); \ + } \ + } \ + G_STMT_END + +static void +resolve_addr_info_free(ResolveAddrInfo *info) +{ + nm_assert(info->cancellable_id == 0); + nm_assert(!info->resolved_handle); + g_object_unref(info->task); + g_free(info); +} + +static void +resolve_addr_complete(ResolveAddrInfo *info, char *hostname_take, GError *error_take) +{ + nm_assert(!!hostname_take != !!error_take); + + nm_clear_g_cancellable_disconnect(g_task_get_cancellable(info->task), &info->cancellable_id); + if (error_take) + g_task_return_error(info->task, error_take); + else + g_task_return_pointer(info->task, hostname_take, g_free); + + resolve_addr_info_free(info); +} + +static void +resolve_addr_helper_cb(GObject *source, GAsyncResult *result, gpointer user_data) +{ + ResolveAddrInfo *info = user_data; + gs_free_error GError *error = NULL; + gs_free char * output = NULL; + + output = nm_utils_spawn_helper_finish(result, &error); + if (nm_utils_error_is_cancelled(error)) + return; + + _LOG2D(info, "helper returned hostname '%s'", output); + + resolve_addr_complete(info, g_steal_pointer(&output), g_steal_pointer(&error)); +} + +static void +resolve_addr_spawn_helper(ResolveAddrInfo *info) +{ + char addr_str[NM_UTILS_INET_ADDRSTRLEN]; + + nm_utils_inet_ntop(info->addr_family, &info->address, addr_str); + _LOG2D(info, "start lookup via nm-daemon-helper"); + nm_utils_spawn_helper(NM_MAKE_STRV("resolve-address", addr_str), + g_task_get_cancellable(info->task), + resolve_addr_helper_cb, + info); +} + +static void +resolve_addr_resolved_cb(NMDnsSystemdResolved * resolved, + NMDnsSystemdResolvedResolveHandle * handle, + const NMDnsSystemdResolvedAddressResult *names, + guint names_len, + guint64 flags, + GError * error, + gpointer user_data) +{ + ResolveAddrInfo *info = user_data; + + info->resolved_handle = NULL; + + if (nm_utils_error_is_cancelled(error)) + return; + + if (error) { + gs_free char *dbus_error = NULL; + + _LOG2D(info, "error resolving via systemd-resolved: %s", error->message); + + dbus_error = g_dbus_error_get_remote_error(error); + if (nm_streq0(dbus_error, "org.freedesktop.resolve1.DnsError.NXDOMAIN")) { + resolve_addr_complete(info, NULL, g_error_copy(error)); + return; + } + + resolve_addr_spawn_helper(info); + return; + } + + if (names_len == 0) { + _LOG2D(info, "systemd-resolved returned no result"); + resolve_addr_complete(info, g_strdup(""), NULL); + return; + } + + _LOG2D(info, "systemd-resolved returned hostname '%s'", names[0].name); + resolve_addr_complete(info, g_strdup(names[0].name), NULL); +} + +static void +resolve_addr_cancelled(GObject *object, gpointer user_data) +{ + ResolveAddrInfo *info = user_data; + GError * error = NULL; + + nm_clear_g_signal_handler(g_task_get_cancellable(info->task), &info->cancellable_id); + nm_clear_pointer(&info->resolved_handle, nm_dns_systemd_resolved_resolve_cancel); + nm_utils_error_set_cancelled(&error, FALSE, NULL); + resolve_addr_complete(info, NULL, error); +} + +void +nm_device_resolve_address(int addr_family, + gconstpointer address, + GCancellable * cancellable, + GAsyncReadyCallback callback, + gpointer cb_data) +{ + ResolveAddrInfo * info; + NMDnsSystemdResolved *resolved; + + info = g_new(ResolveAddrInfo, 1); + *info = (ResolveAddrInfo){ + .task = nm_g_task_new(NULL, cancellable, nm_device_resolve_address, callback, cb_data), + .addr_family = addr_family, + .address = nm_ip_addr_init(addr_family, address), + }; + + if (cancellable) { + gulong signal_id; + + signal_id = + g_cancellable_connect(cancellable, G_CALLBACK(resolve_addr_cancelled), info, NULL); + if (signal_id == 0) { + /* the request is already cancelled. Return. */ + return; + } + info->cancellable_id = signal_id; + } + + resolved = (NMDnsSystemdResolved *) nm_dns_manager_get_systemd_resolved(nm_dns_manager_get()); + if (resolved) { + _LOG2D(info, "start lookup via systemd-resolved"); + info->resolved_handle = + nm_dns_systemd_resolved_resolve_address(resolved, + 0, + addr_family, + address, + SD_RESOLVED_DNS | SD_RESOLVED_NO_SYNTHESIZE, + 20000, + resolve_addr_resolved_cb, + info); + return; + } + + resolve_addr_spawn_helper(info); +} + +char * +nm_device_resolve_address_finish(GAsyncResult *result, GError **error) +{ + GTask *task = G_TASK(result); + + nm_assert(nm_g_task_is_valid(result, NULL, nm_device_resolve_address)); + + return g_task_propagate_pointer(task, error); +} |