diff options
Diffstat (limited to 'src/core/devices/wwan/nm-modem.c')
| -rw-r--r-- | src/core/devices/wwan/nm-modem.c | 2037 |
1 files changed, 2037 insertions, 0 deletions
diff --git a/src/core/devices/wwan/nm-modem.c b/src/core/devices/wwan/nm-modem.c new file mode 100644 index 00000000..0d334fa4 --- /dev/null +++ b/src/core/devices/wwan/nm-modem.c @@ -0,0 +1,2037 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2009 - 2014 Red Hat, Inc. + * Copyright (C) 2009 Novell, Inc. + */ + +#include "src/core/nm-default-daemon.h" + +#include "nm-modem.h" + +#include <fcntl.h> +#include <termios.h> +#include <linux/rtnetlink.h> + +#include "nm-core-internal.h" +#include "platform/nm-platform.h" +#include "nm-setting-connection.h" +#include "NetworkManagerUtils.h" +#include "devices/nm-device-private.h" +#include "nm-netns.h" +#include "nm-act-request.h" +#include "nm-ip4-config.h" +#include "nm-ip6-config.h" +#include "ppp/nm-ppp-manager-call.h" +#include "ppp/nm-ppp-status.h" + +/*****************************************************************************/ + +NM_GOBJECT_PROPERTIES_DEFINE(NMModem, + PROP_CONTROL_PORT, + PROP_IP_IFINDEX, + PROP_PATH, + PROP_UID, + PROP_DRIVER, + PROP_STATE, + PROP_DEVICE_ID, + PROP_SIM_ID, + PROP_IP_TYPES, + PROP_SIM_OPERATOR_ID, + PROP_OPERATOR_CODE, + PROP_APN, ); + +enum { + PPP_STATS, + PPP_FAILED, + PREPARE_RESULT, + IP4_CONFIG_RESULT, + IP6_CONFIG_RESULT, + AUTH_REQUESTED, + AUTH_RESULT, + REMOVED, + STATE_CHANGED, + LAST_SIGNAL, +}; + +static guint signals[LAST_SIGNAL] = {0}; + +typedef struct _NMModemPrivate { + char *uid; + char *path; + char *driver; + char *control_port; + char *data_port; + + /* TODO: ip_iface is solely used for nm_modem_owns_port(). + * We should rework the code that it's not necessary */ + char *ip_iface; + + int ip_ifindex; + NMModemIPMethod ip4_method; + NMModemIPMethod ip6_method; + NMUtilsIPv6IfaceId iid; + NMModemState state; + NMModemState prev_state; /* revert to this state if enable/disable fails */ + char * device_id; + char * sim_id; + NMModemIPType ip_types; + char * sim_operator_id; + char * operator_code; + char * apn; + + NMPPPManager *ppp_manager; + + NMActRequest * act_request; + guint32 secrets_tries; + NMActRequestGetSecretsCallId *secrets_id; + + guint mm_ip_timeout; + + guint32 ip4_route_table; + guint32 ip4_route_metric; + guint32 ip6_route_table; + guint32 ip6_route_metric; + + /* PPP stats */ + guint32 in_bytes; + guint32 out_bytes; + + bool claimed : 1; +} NMModemPrivate; + +G_DEFINE_TYPE(NMModem, nm_modem, G_TYPE_OBJECT) + +#define NM_MODEM_GET_PRIVATE(self) _NM_GET_PRIVATE_PTR(self, NMModem, NM_IS_MODEM) + +/*****************************************************************************/ + +#define _NMLOG_PREFIX_BUFLEN 64 +#define _NMLOG_PREFIX_NAME "modem" +#define _NMLOG_DOMAIN LOGD_MB + +static const char * +_nmlog_prefix(char *prefix, NMModem *self) +{ + const char *uuid; + int c; + + if (!self) + return ""; + + uuid = nm_modem_get_uid(self); + + if (uuid) { + char pp[_NMLOG_PREFIX_BUFLEN - 5]; + + c = g_snprintf(prefix, _NMLOG_PREFIX_BUFLEN, "[%s]", nm_strquote(pp, sizeof(pp), uuid)); + } else + c = g_snprintf(prefix, _NMLOG_PREFIX_BUFLEN, "[%p]", self); + nm_assert(c < _NMLOG_PREFIX_BUFLEN); + + return prefix; +} + +#define _NMLOG(level, ...) \ + G_STMT_START \ + { \ + char _prefix[_NMLOG_PREFIX_BUFLEN]; \ + \ + nm_log((level), \ + _NMLOG_DOMAIN, \ + NULL, \ + NULL, \ + "%s%s: " _NM_UTILS_MACRO_FIRST(__VA_ARGS__), \ + _NMLOG_PREFIX_NAME, \ + _nmlog_prefix(_prefix, (self)) _NM_UTILS_MACRO_REST(__VA_ARGS__)); \ + } \ + G_STMT_END + +/*****************************************************************************/ + +static void _set_ip_ifindex(NMModem *self, int ifindex, const char *ifname); + +/*****************************************************************************/ +/* State/enabled/connected */ + +static const char *state_table[] = { + [NM_MODEM_STATE_UNKNOWN] = "unknown", + [NM_MODEM_STATE_FAILED] = "failed", + [NM_MODEM_STATE_INITIALIZING] = "initializing", + [NM_MODEM_STATE_LOCKED] = "locked", + [NM_MODEM_STATE_DISABLED] = "disabled", + [NM_MODEM_STATE_DISABLING] = "disabling", + [NM_MODEM_STATE_ENABLING] = "enabling", + [NM_MODEM_STATE_ENABLED] = "enabled", + [NM_MODEM_STATE_SEARCHING] = "searching", + [NM_MODEM_STATE_REGISTERED] = "registered", + [NM_MODEM_STATE_DISCONNECTING] = "disconnecting", + [NM_MODEM_STATE_CONNECTING] = "connecting", + [NM_MODEM_STATE_CONNECTED] = "connected", +}; + +const char * +nm_modem_state_to_string(NMModemState state) +{ + if ((gsize) state < G_N_ELEMENTS(state_table)) + return state_table[state]; + return NULL; +} + +/*****************************************************************************/ + +gboolean +nm_modem_is_claimed(NMModem *self) +{ + g_return_val_if_fail(NM_IS_MODEM(self), FALSE); + + return NM_MODEM_GET_PRIVATE(self)->claimed; +} + +NMModem * +nm_modem_claim(NMModem *self) +{ + NMModemPrivate *priv; + + g_return_val_if_fail(NM_IS_MODEM(self), NULL); + + priv = NM_MODEM_GET_PRIVATE(self); + + g_return_val_if_fail(!priv->claimed, NULL); + + priv->claimed = TRUE; + return g_object_ref(self); +} + +void +nm_modem_unclaim(NMModem *self) +{ + NMModemPrivate *priv; + + g_return_if_fail(NM_IS_MODEM(self)); + + priv = NM_MODEM_GET_PRIVATE(self); + + g_return_if_fail(priv->claimed); + + /* we don't actually unclaim the instance. This instance should not be re-used + * by another owner, that is because we only claim modems as we receive them. + * There is no mechanism that somebody else would later re-use them again. + * + * // priv->claimed = FALSE; */ + + g_object_unref(self); +} + +/*****************************************************************************/ + +NMModemState +nm_modem_get_state(NMModem *self) +{ + return NM_MODEM_GET_PRIVATE(self)->state; +} + +void +nm_modem_set_state(NMModem *self, NMModemState new_state, const char *reason) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + NMModemState old_state = priv->state; + + priv->prev_state = NM_MODEM_STATE_UNKNOWN; + + if (new_state != old_state) { + _LOGI("modem state changed, '%s' --> '%s' (reason: %s)", + nm_modem_state_to_string(old_state), + nm_modem_state_to_string(new_state), + reason ?: "none"); + + priv->state = new_state; + _notify(self, PROP_STATE); + g_signal_emit(self, signals[STATE_CHANGED], 0, (int) new_state, (int) old_state); + } +} + +void +nm_modem_set_prev_state(NMModem *self, const char *reason) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + /* Reset modem to previous state if the state hasn't already changed */ + if (priv->prev_state != NM_MODEM_STATE_UNKNOWN) + nm_modem_set_state(self, priv->prev_state, reason); +} + +void +nm_modem_set_mm_enabled(NMModem *self, gboolean enabled) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + NMModemState prev_state = priv->state; + + if (enabled && priv->state >= NM_MODEM_STATE_ENABLING) { + _LOGD("cannot enable modem: already enabled"); + return; + } + if (!enabled && priv->state <= NM_MODEM_STATE_DISABLING) { + _LOGD("cannot disable modem: already disabled"); + return; + } + + if (priv->state <= NM_MODEM_STATE_INITIALIZING) { + _LOGD("cannot enable/disable modem: initializing or failed"); + return; + } else if (priv->state == NM_MODEM_STATE_LOCKED) { + /* Don't try to enable if the modem is locked since that will fail */ + _LOGW("cannot enable/disable modem: locked"); + + /* Try to unlock the modem if it's being enabled */ + if (enabled) + g_signal_emit(self, signals[AUTH_REQUESTED], 0); + return; + } + + /* Not all modem classes support set_mm_enabled */ + if (NM_MODEM_GET_CLASS(self)->set_mm_enabled) + NM_MODEM_GET_CLASS(self)->set_mm_enabled(self, enabled); + + /* Pre-empt the state change signal */ + nm_modem_set_state(self, + enabled ? NM_MODEM_STATE_ENABLING : NM_MODEM_STATE_DISABLING, + "user preference"); + priv->prev_state = prev_state; +} + +void +nm_modem_emit_removed(NMModem *self) +{ + g_signal_emit(self, signals[REMOVED], 0); +} + +void +nm_modem_emit_prepare_result(NMModem *self, gboolean success, NMDeviceStateReason reason) +{ + nm_assert(NM_IS_MODEM(self)); + + g_signal_emit(self, signals[PREPARE_RESULT], 0, success, (guint) reason); +} + +void +nm_modem_emit_ppp_failed(NMModem *self, NMDeviceStateReason reason) +{ + nm_assert(NM_IS_MODEM(self)); + + g_signal_emit(self, signals[PPP_FAILED], 0, (guint) reason); +} + +NMModemIPType +nm_modem_get_supported_ip_types(NMModem *self) +{ + return NM_MODEM_GET_PRIVATE(self)->ip_types; +} + +const char * +nm_modem_ip_type_to_string(NMModemIPType ip_type) +{ + switch (ip_type) { + case NM_MODEM_IP_TYPE_IPV4: + return "ipv4"; + case NM_MODEM_IP_TYPE_IPV6: + return "ipv6"; + case NM_MODEM_IP_TYPE_IPV4V6: + return "ipv4v6"; + default: + g_return_val_if_reached("unknown"); + } +} + +static GArray * +build_single_ip_type_array(NMModemIPType type) +{ + return g_array_append_val(g_array_sized_new(FALSE, FALSE, sizeof(NMModemIPType), 1), type); +} + +/** + * nm_modem_get_connection_ip_type: + * @self: the #NMModem + * @connection: the #NMConnection to determine IP type to use + * + * Given a modem and a connection, determine which #NMModemIPTypes to use + * when connecting. + * + * Returns: an array of #NMModemIpType values, in the order in which they + * should be tried. + */ +GArray * +nm_modem_get_connection_ip_type(NMModem *self, NMConnection *connection, GError **error) +{ + NMModemPrivate * priv = NM_MODEM_GET_PRIVATE(self); + NMSettingIPConfig *s_ip4, *s_ip6; + const char * method; + gboolean ip4 = TRUE, ip6 = TRUE; + gboolean ip4_may_fail = TRUE, ip6_may_fail = TRUE; + + s_ip4 = nm_connection_get_setting_ip4_config(connection); + if (s_ip4) { + method = nm_setting_ip_config_get_method(s_ip4); + if (g_strcmp0(method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED) == 0) + ip4 = FALSE; + ip4_may_fail = nm_setting_ip_config_get_may_fail(s_ip4); + } + + s_ip6 = nm_connection_get_setting_ip6_config(connection); + if (s_ip6) { + method = nm_setting_ip_config_get_method(s_ip6); + if (NM_IN_STRSET(method, + NM_SETTING_IP6_CONFIG_METHOD_IGNORE, + NM_SETTING_IP6_CONFIG_METHOD_DISABLED)) + ip6 = FALSE; + ip6_may_fail = nm_setting_ip_config_get_may_fail(s_ip6); + } + + if (ip4 && !ip6) { + if (!(priv->ip_types & NM_MODEM_IP_TYPE_IPV4)) { + g_set_error_literal(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + "Connection requested IPv4 but IPv4 is " + "unsupported by the modem."); + return NULL; + } + return build_single_ip_type_array(NM_MODEM_IP_TYPE_IPV4); + } + + if (ip6 && !ip4) { + if (!(priv->ip_types & NM_MODEM_IP_TYPE_IPV6)) { + g_set_error_literal(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + "Connection requested IPv6 but IPv6 is " + "unsupported by the modem."); + return NULL; + } + return build_single_ip_type_array(NM_MODEM_IP_TYPE_IPV6); + } + + if (ip4 && ip6) { + NMModemIPType type; + GArray * out; + + out = g_array_sized_new(FALSE, FALSE, sizeof(NMModemIPType), 3); + + /* Modem supports dual-stack? */ + if (priv->ip_types & NM_MODEM_IP_TYPE_IPV4V6) { + type = NM_MODEM_IP_TYPE_IPV4V6; + g_array_append_val(out, type); + } + + /* If IPv6 may-fail=false, we should NOT try IPv4 as fallback */ + if ((priv->ip_types & NM_MODEM_IP_TYPE_IPV4) && ip6_may_fail) { + type = NM_MODEM_IP_TYPE_IPV4; + g_array_append_val(out, type); + } + + /* If IPv4 may-fail=false, we should NOT try IPv6 as fallback */ + if ((priv->ip_types & NM_MODEM_IP_TYPE_IPV6) && ip4_may_fail) { + type = NM_MODEM_IP_TYPE_IPV6; + g_array_append_val(out, type); + } + + if (out->len > 0) + return out; + + /* Error... */ + g_array_unref(out); + g_set_error_literal(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + "Connection requested both IPv4 and IPv6 " + "but dual-stack addressing is unsupported " + "by the modem."); + return NULL; + } + + g_set_error_literal(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + "Connection specified no IP configuration!"); + return NULL; +} + +const char * +nm_modem_get_device_id(NMModem *self) +{ + return NM_MODEM_GET_PRIVATE(self)->device_id; +} + +const char * +nm_modem_get_sim_id(NMModem *self) +{ + return NM_MODEM_GET_PRIVATE(self)->sim_id; +} + +const char * +nm_modem_get_sim_operator_id(NMModem *self) +{ + return NM_MODEM_GET_PRIVATE(self)->sim_operator_id; +} + +const char * +nm_modem_get_operator_code(NMModem *self) +{ + return NM_MODEM_GET_PRIVATE(self)->operator_code; +} + +const char * +nm_modem_get_apn(NMModem *self) +{ + return NM_MODEM_GET_PRIVATE(self)->apn; +} + +/*****************************************************************************/ +/* IP method PPP */ + +static void +ppp_state_changed(NMPPPManager *ppp_manager, NMPPPStatus status, gpointer user_data) +{ + switch (status) { + case NM_PPP_STATUS_DISCONNECT: + nm_modem_emit_ppp_failed(user_data, NM_DEVICE_STATE_REASON_PPP_DISCONNECT); + break; + case NM_PPP_STATUS_DEAD: + nm_modem_emit_ppp_failed(user_data, NM_DEVICE_STATE_REASON_PPP_FAILED); + break; + default: + break; + } +} + +static void +ppp_ifindex_set(NMPPPManager *ppp_manager, int ifindex, const char *iface, gpointer user_data) +{ + NMModem *self = NM_MODEM(user_data); + + nm_assert(ifindex >= 0); + nm_assert(NM_MODEM_GET_PRIVATE(self)->ppp_manager == ppp_manager); + + if (ifindex <= 0 && iface) { + /* this might happen, if the ifname was already deleted + * and we failed to resolve ifindex. + * + * Forget about the name. */ + iface = NULL; + } + _set_ip_ifindex(self, ifindex, iface); +} + +static void +ppp_ip4_config(NMPPPManager *ppp_manager, NMIP4Config *config, gpointer user_data) +{ + NMModem *self = NM_MODEM(user_data); + guint32 i, num; + guint32 bad_dns1 = htonl(0x0A0B0C0D); + guint32 good_dns1 = htonl(0x04020201); /* GTE nameserver */ + guint32 bad_dns2 = htonl(0x0A0B0C0E); + guint32 good_dns2 = htonl(0x04020202); /* GTE nameserver */ + gboolean dns_workaround = FALSE; + + /* Work around a PPP bug (#1732) which causes many mobile broadband + * providers to return 10.11.12.13 and 10.11.12.14 for the DNS servers. + * Apparently fixed in ppp-2.4.5 but we've had some reports that this is + * not the case. + * + * http://git.ozlabs.org/?p=ppp.git;a=commitdiff_plain;h=2e09ef6886bbf00bc5a9a641110f801e372ffde6 + * http://git.ozlabs.org/?p=ppp.git;a=commitdiff_plain;h=f8191bf07df374f119a07910a79217c7618f113e + */ + + num = nm_ip4_config_get_num_nameservers(config); + if (num == 2) { + gboolean found1 = FALSE, found2 = FALSE; + + for (i = 0; i < num; i++) { + guint32 ns = nm_ip4_config_get_nameserver(config, i); + + if (ns == bad_dns1) + found1 = TRUE; + else if (ns == bad_dns2) + found2 = TRUE; + } + + /* Be somewhat conservative about substitutions; the "bad" nameservers + * could actually be valid in some cases, so only substitute if ppp + * returns *only* the two bad nameservers. + */ + dns_workaround = (found1 && found2); + } + + if (!num || dns_workaround) { + _LOGW("compensating for invalid PPP-provided nameservers"); + nm_ip4_config_reset_nameservers(config); + nm_ip4_config_add_nameserver(config, good_dns1); + nm_ip4_config_add_nameserver(config, good_dns2); + } + + g_signal_emit(self, signals[IP4_CONFIG_RESULT], 0, config, NULL); +} + +static void +ppp_ip6_config(NMPPPManager * ppp_manager, + const NMUtilsIPv6IfaceId *iid, + NMIP6Config * config, + gpointer user_data) +{ + NMModem *self = NM_MODEM(user_data); + + NM_MODEM_GET_PRIVATE(self)->iid = *iid; + + nm_modem_emit_ip6_config_result(self, config, NULL); +} + +static void +ppp_stats(NMPPPManager *ppp_manager, guint i_in_bytes, guint i_out_bytes, gpointer user_data) +{ + NMModem * self = NM_MODEM(user_data); + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + guint32 in_bytes = i_in_bytes; + guint32 out_bytes = i_out_bytes; + + if (priv->in_bytes != in_bytes || priv->out_bytes != out_bytes) { + priv->in_bytes = in_bytes; + priv->out_bytes = out_bytes; + g_signal_emit(self, signals[PPP_STATS], 0, (guint) in_bytes, (guint) out_bytes); + } +} + +static gboolean +port_speed_is_zero(const char *port) +{ + struct termios options; + nm_auto_close int fd = -1; + gs_free char * path = NULL; + + nm_assert(port); + + if (port[0] != '/') { + if (!port[0] || strchr(port, '/') || NM_IN_STRSET(port, ".", "..")) + return FALSE; + path = g_build_path("/sys/class/tty", port, NULL); + port = path; + } + + fd = open(port, O_RDWR | O_NONBLOCK | O_NOCTTY | O_CLOEXEC); + if (fd < 0) + return FALSE; + + memset(&options, 0, sizeof(struct termios)); + if (tcgetattr(fd, &options) != 0) + return FALSE; + + return cfgetospeed(&options) == B0; +} + +static NMActStageReturn +ppp_stage3_ip_config_start(NMModem * self, + NMActRequest * req, + NMDeviceStateReason *out_failure_reason) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + const char * ppp_name = NULL; + GError * error = NULL; + guint ip_timeout = 30; + guint baud_override = 0; + + g_return_val_if_fail(NM_IS_MODEM(self), NM_ACT_STAGE_RETURN_FAILURE); + g_return_val_if_fail(NM_IS_ACT_REQUEST(req), NM_ACT_STAGE_RETURN_FAILURE); + + /* If we're already running PPP don't restart it; for example, if both + * IPv4 and IPv6 are requested, IPv4 gets started first, but we use the + * same pppd for both v4 and v6. + */ + if (priv->ppp_manager) + return NM_ACT_STAGE_RETURN_POSTPONE; + + if (NM_MODEM_GET_CLASS(self)->get_user_pass) { + NMConnection *connection = nm_act_request_get_applied_connection(req); + + g_assert(connection); + if (!NM_MODEM_GET_CLASS(self)->get_user_pass(self, connection, &ppp_name, NULL)) + return NM_ACT_STAGE_RETURN_FAILURE; + } + + if (!priv->data_port) { + _LOGE("error starting PPP (no data port)"); + NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_PPP_START_FAILED); + return NM_ACT_STAGE_RETURN_FAILURE; + } + + /* Check if ModemManager requested a specific IP timeout to be used. If 0 reported, + * use the default one (30s) */ + if (priv->mm_ip_timeout > 0) { + _LOGI("using modem-specified IP timeout: %u seconds", priv->mm_ip_timeout); + ip_timeout = priv->mm_ip_timeout; + } + + /* Some tty drivers and modems ignore port speed, but pppd requires the + * port speed to be > 0 or it exits. If the port speed is 0 pass an + * explicit speed to pppd to prevent the exit. + * https://bugzilla.redhat.com/show_bug.cgi?id=1281731 + */ + if (port_speed_is_zero(priv->data_port)) + baud_override = 57600; + + priv->ppp_manager = nm_ppp_manager_create(priv->data_port, &error); + + if (priv->ppp_manager) { + nm_ppp_manager_set_route_parameters(priv->ppp_manager, + priv->ip4_route_table, + priv->ip4_route_metric, + priv->ip6_route_table, + priv->ip6_route_metric); + } + + if (!priv->ppp_manager + || !nm_ppp_manager_start(priv->ppp_manager, + req, + ppp_name, + ip_timeout, + baud_override, + &error)) { + _LOGE("error starting PPP: %s", error->message); + g_error_free(error); + g_clear_object(&priv->ppp_manager); + NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_PPP_START_FAILED); + return NM_ACT_STAGE_RETURN_FAILURE; + } + + g_signal_connect(priv->ppp_manager, + NM_PPP_MANAGER_SIGNAL_STATE_CHANGED, + G_CALLBACK(ppp_state_changed), + self); + g_signal_connect(priv->ppp_manager, + NM_PPP_MANAGER_SIGNAL_IFINDEX_SET, + G_CALLBACK(ppp_ifindex_set), + self); + g_signal_connect(priv->ppp_manager, + NM_PPP_MANAGER_SIGNAL_IP4_CONFIG, + G_CALLBACK(ppp_ip4_config), + self); + g_signal_connect(priv->ppp_manager, + NM_PPP_MANAGER_SIGNAL_IP6_CONFIG, + G_CALLBACK(ppp_ip6_config), + self); + g_signal_connect(priv->ppp_manager, NM_PPP_MANAGER_SIGNAL_STATS, G_CALLBACK(ppp_stats), self); + + return NM_ACT_STAGE_RETURN_POSTPONE; +} + +/*****************************************************************************/ + +NMActStageReturn +nm_modem_stage3_ip4_config_start(NMModem * self, + NMDevice * device, + NMDeviceClass * device_class, + NMDeviceStateReason *out_failure_reason) +{ + NMModemPrivate * priv; + NMActRequest * req; + NMConnection * connection; + const char * method; + NMActStageReturn ret; + + _LOGD("ip4_config_start"); + + g_return_val_if_fail(NM_IS_MODEM(self), NM_ACT_STAGE_RETURN_FAILURE); + g_return_val_if_fail(NM_IS_DEVICE(device), NM_ACT_STAGE_RETURN_FAILURE); + g_return_val_if_fail(NM_IS_DEVICE_CLASS(device_class), NM_ACT_STAGE_RETURN_FAILURE); + + req = nm_device_get_act_request(device); + g_return_val_if_fail(req, NM_ACT_STAGE_RETURN_FAILURE); + + connection = nm_act_request_get_applied_connection(req); + g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE); + + nm_modem_set_route_parameters_from_device(self, device); + + method = nm_utils_get_ip_config_method(connection, AF_INET); + + /* Only Disabled and Auto methods make sense for WWAN */ + if (nm_streq(method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED)) + return NM_ACT_STAGE_RETURN_SUCCESS; + + if (!nm_streq(method, NM_SETTING_IP4_CONFIG_METHOD_AUTO)) { + _LOGE("unhandled WWAN IPv4 method '%s'; will fail", method); + NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_IP_METHOD_UNSUPPORTED); + return NM_ACT_STAGE_RETURN_FAILURE; + } + + priv = NM_MODEM_GET_PRIVATE(self); + switch (priv->ip4_method) { + case NM_MODEM_IP_METHOD_PPP: + ret = ppp_stage3_ip_config_start(self, req, out_failure_reason); + break; + case NM_MODEM_IP_METHOD_STATIC: + _LOGD("MODEM_IP_METHOD_STATIC"); + ret = + NM_MODEM_GET_CLASS(self)->static_stage3_ip4_config_start(self, req, out_failure_reason); + break; + case NM_MODEM_IP_METHOD_AUTO: + _LOGD("MODEM_IP_METHOD_AUTO"); + ret = device_class->act_stage3_ip_config_start(device, AF_INET, NULL, out_failure_reason); + break; + default: + _LOGI("IPv4 configuration disabled"); + ret = NM_ACT_STAGE_RETURN_IP_FAIL; + break; + } + + return ret; +} + +void +nm_modem_ip4_pre_commit(NMModem *modem, NMDevice *device, NMIP4Config *config) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(modem); + + /* If the modem has an ethernet-type data interface (ie, not PPP and thus + * not point-to-point) and IP config has a /32 prefix, then we assume that + * ARP will be pointless and we turn it off. + */ + if (priv->ip4_method == NM_MODEM_IP_METHOD_STATIC + || priv->ip4_method == NM_MODEM_IP_METHOD_AUTO) { + const NMPlatformIP4Address *address = nm_ip4_config_get_first_address(config); + + g_assert(address); + if (address->plen == 32) + nm_platform_link_set_noarp(nm_device_get_platform(device), + nm_device_get_ip_ifindex(device)); + } +} + +/*****************************************************************************/ + +void +nm_modem_emit_ip6_config_result(NMModem *self, NMIP6Config *config, GError *error) +{ + NMModemPrivate * priv = NM_MODEM_GET_PRIVATE(self); + NMDedupMultiIter ipconf_iter; + const NMPlatformIP6Address *addr; + gboolean do_slaac = TRUE; + + if (error) { + g_signal_emit(self, signals[IP6_CONFIG_RESULT], 0, NULL, FALSE, error); + return; + } + + if (config) { + /* If the IPv6 configuration only included a Link-Local address, then + * we have to run SLAAC to get the full IPv6 configuration. + */ + nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, config, &addr) { + if (IN6_IS_ADDR_LINKLOCAL(&addr->address)) { + if (!priv->iid.id) + priv->iid.id = ((guint64 *) (&addr->address.s6_addr))[1]; + } else + do_slaac = FALSE; + } + } + g_assert(config || do_slaac); + + g_signal_emit(self, signals[IP6_CONFIG_RESULT], 0, config, do_slaac, NULL); +} + +static NMActStageReturn +stage3_ip6_config_request(NMModem *self, NMDeviceStateReason *out_failure_reason) +{ + NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE); + return NM_ACT_STAGE_RETURN_FAILURE; +} + +NMActStageReturn +nm_modem_stage3_ip6_config_start(NMModem * self, + NMDevice * device, + NMDeviceStateReason *out_failure_reason) +{ + NMModemPrivate * priv; + NMActRequest * req; + NMActStageReturn ret; + NMConnection * connection; + const char * method; + + g_return_val_if_fail(NM_IS_MODEM(self), NM_ACT_STAGE_RETURN_FAILURE); + + req = nm_device_get_act_request(device); + g_return_val_if_fail(req, NM_ACT_STAGE_RETURN_FAILURE); + + connection = nm_act_request_get_applied_connection(req); + g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE); + + nm_modem_set_route_parameters_from_device(self, device); + + method = nm_utils_get_ip_config_method(connection, AF_INET6); + + /* Only Ignore, Disabled and Auto methods make sense for WWAN */ + if (NM_IN_STRSET(method, + NM_SETTING_IP6_CONFIG_METHOD_IGNORE, + NM_SETTING_IP6_CONFIG_METHOD_DISABLED)) + return NM_ACT_STAGE_RETURN_IP_DONE; + + if (!nm_streq(method, NM_SETTING_IP6_CONFIG_METHOD_AUTO)) { + _LOGW("unhandled WWAN IPv6 method '%s'; will fail", method); + NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE); + return NM_ACT_STAGE_RETURN_FAILURE; + } + + priv = NM_MODEM_GET_PRIVATE(self); + switch (priv->ip6_method) { + case NM_MODEM_IP_METHOD_PPP: + ret = ppp_stage3_ip_config_start(self, req, out_failure_reason); + break; + case NM_MODEM_IP_METHOD_STATIC: + case NM_MODEM_IP_METHOD_AUTO: + /* Both static and DHCP/Auto retrieve a base IP config from the modem + * which in the static case is the full config, and the DHCP/Auto case + * is just the IPv6LL address to use for SLAAC. + */ + ret = NM_MODEM_GET_CLASS(self)->stage3_ip6_config_request(self, out_failure_reason); + break; + default: + _LOGI("IPv6 configuration disabled"); + ret = NM_ACT_STAGE_RETURN_IP_FAIL; + break; + } + + return ret; +} + +guint32 +nm_modem_get_configured_mtu(NMDevice *self, NMDeviceMtuSource *out_source, gboolean *out_force) +{ + NMConnection *connection; + NMSetting * setting; + gint64 mtu_default; + guint mtu = 0; + const char * property_name; + + nm_assert(NM_IS_DEVICE(self)); + nm_assert(out_source); + + connection = nm_device_get_applied_connection(self); + if (!connection) + g_return_val_if_reached(0); + + setting = (NMSetting *) nm_connection_get_setting_gsm(connection); + if (!setting) + setting = (NMSetting *) nm_connection_get_setting_cdma(connection); + + if (setting) { + g_object_get(setting, "mtu", &mtu, NULL); + if (mtu) { + *out_source = NM_DEVICE_MTU_SOURCE_CONNECTION; + return mtu; + } + + property_name = NM_IS_SETTING_GSM(setting) ? "gsm.mtu" : "cdma.mtu"; + mtu_default = + nm_device_get_configured_mtu_from_connection_default(self, property_name, G_MAXUINT32); + if (mtu_default >= 0) { + *out_source = NM_DEVICE_MTU_SOURCE_CONNECTION; + return (guint32) mtu_default; + } + } + + *out_source = NM_DEVICE_MTU_SOURCE_NONE; + return 0; +} + +/*****************************************************************************/ + +static void +cancel_get_secrets(NMModem *self) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + if (priv->secrets_id) + nm_act_request_cancel_secrets(priv->act_request, priv->secrets_id); +} + +static void +modem_secrets_cb(NMActRequest * req, + NMActRequestGetSecretsCallId *call_id, + NMSettingsConnection * connection, + GError * error, + gpointer user_data) +{ + NMModem * self = NM_MODEM(user_data); + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + g_return_if_fail(call_id == priv->secrets_id); + + priv->secrets_id = NULL; + + if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED) + || g_error_matches(error, NM_AGENT_MANAGER_ERROR, NM_AGENT_MANAGER_ERROR_NO_SECRETS)) + return; + + if (error) + _LOGW("modem-secrets: %s", error->message); + + g_signal_emit(self, signals[AUTH_RESULT], 0, error); +} + +void +nm_modem_get_secrets(NMModem * self, + const char *setting_name, + gboolean request_new, + const char *hint) +{ + NMModemPrivate * priv = NM_MODEM_GET_PRIVATE(self); + NMSecretAgentGetSecretsFlags flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION; + + cancel_get_secrets(self); + + if (request_new) + flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW; + priv->secrets_id = nm_act_request_get_secrets(priv->act_request, + FALSE, + setting_name, + flags, + NM_MAKE_STRV(hint), + modem_secrets_cb, + self); + g_return_if_fail(priv->secrets_id); + g_signal_emit(self, signals[AUTH_REQUESTED], 0); +} + +/*****************************************************************************/ + +static NMActStageReturn +modem_act_stage1_prepare(NMModem * modem, + NMConnection * connection, + NMDeviceStateReason *out_failure_reason) +{ + NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_UNKNOWN); + return NM_ACT_STAGE_RETURN_FAILURE; +} + +NMActStageReturn +nm_modem_act_stage1_prepare(NMModem * self, + NMActRequest * req, + NMDeviceStateReason *out_failure_reason) +{ + NMModemPrivate * priv = NM_MODEM_GET_PRIVATE(self); + gs_unref_ptrarray GPtrArray *hints = NULL; + const char * setting_name = NULL; + NMSecretAgentGetSecretsFlags flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION; + NMConnection * connection; + + g_return_val_if_fail(NM_IS_ACT_REQUEST(req), NM_ACT_STAGE_RETURN_FAILURE); + + if (priv->act_request) + g_object_unref(priv->act_request); + priv->act_request = g_object_ref(req); + + connection = nm_act_request_get_applied_connection(req); + g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE); + + setting_name = nm_connection_need_secrets(connection, &hints); + if (!setting_name) { + nm_assert(!hints); + return NM_MODEM_GET_CLASS(self)->modem_act_stage1_prepare(self, + connection, + out_failure_reason); + } + + /* Secrets required... */ + if (priv->secrets_tries++) + flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW; + + if (hints) + g_ptr_array_add(hints, NULL); + + priv->secrets_id = nm_act_request_get_secrets(req, + FALSE, + setting_name, + flags, + hints ? (const char *const *) hints->pdata : NULL, + modem_secrets_cb, + self); + g_return_val_if_fail(priv->secrets_id, NM_ACT_STAGE_RETURN_FAILURE); + g_signal_emit(self, signals[AUTH_REQUESTED], 0); + return NM_ACT_STAGE_RETURN_POSTPONE; +} + +/*****************************************************************************/ + +void +nm_modem_act_stage2_config(NMModem *self) +{ + NMModemPrivate *priv; + + g_return_if_fail(NM_IS_MODEM(self)); + + priv = NM_MODEM_GET_PRIVATE(self); + /* Clear secrets tries counter since secrets were successfully used + * already if we get here. + */ + priv->secrets_tries = 0; +} + +/*****************************************************************************/ + +gboolean +nm_modem_check_connection_compatible(NMModem *self, NMConnection *connection, GError **error) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + if (nm_streq0(nm_connection_get_connection_type(connection), NM_SETTING_GSM_SETTING_NAME)) { + NMSettingGsm *s_gsm; + const char * str; + + s_gsm = _nm_connection_check_main_setting(connection, NM_SETTING_GSM_SETTING_NAME, error); + if (!s_gsm) + return FALSE; + + str = nm_setting_gsm_get_device_id(s_gsm); + if (str) { + if (!priv->device_id) { + nm_utils_error_set_literal(error, + NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, + "GSM profile has device-id, device does not"); + return FALSE; + } + if (!nm_streq(str, priv->device_id)) { + nm_utils_error_set_literal(error, + NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, + "device has differing device-id than GSM profile"); + return FALSE; + } + } + + /* SIM properties may not be available before the SIM is unlocked, so + * to ensure that autoconnect works, the connection's SIM properties + * are only compared if present on the device. + */ + + if (priv->sim_id && (str = nm_setting_gsm_get_sim_id(s_gsm))) { + if (!nm_streq(str, priv->sim_id)) { + nm_utils_error_set_literal(error, + NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, + "device has differing sim-id than GSM profile"); + return FALSE; + } + } + + if (priv->sim_operator_id && (str = nm_setting_gsm_get_sim_operator_id(s_gsm))) { + if (!nm_streq(str, priv->sim_operator_id)) { + nm_utils_error_set_literal(error, + NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, + "device has differing sim-operator-id than GSM profile"); + return FALSE; + } + } + } + + return NM_MODEM_GET_CLASS(self)->check_connection_compatible_with_modem(self, + connection, + error); +} + +/*****************************************************************************/ + +gboolean +nm_modem_complete_connection(NMModem * self, + const char * iface, + NMConnection * connection, + NMConnection *const *existing_connections, + GError ** error) +{ + NMModemClass *klass; + + klass = NM_MODEM_GET_CLASS(self); + if (!klass->complete_connection) { + g_set_error(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INVALID_CONNECTION, + "Modem class %s had no complete_connection method", + G_OBJECT_TYPE_NAME(self)); + return FALSE; + } + + return klass->complete_connection(self, iface, connection, existing_connections, error); +} + +/*****************************************************************************/ + +static void +deactivate_cleanup(NMModem *self, NMDevice *device, gboolean stop_ppp_manager) +{ + NMModemPrivate *priv; + int ifindex; + + g_return_if_fail(NM_IS_MODEM(self)); + + priv = NM_MODEM_GET_PRIVATE(self); + + priv->secrets_tries = 0; + + if (priv->act_request) { + cancel_get_secrets(self); + g_object_unref(priv->act_request); + priv->act_request = NULL; + } + + priv->in_bytes = priv->out_bytes = 0; + + if (priv->ppp_manager) { + g_signal_handlers_disconnect_by_data(priv->ppp_manager, self); + if (stop_ppp_manager) + nm_ppp_manager_stop(priv->ppp_manager, NULL, NULL, NULL); + g_clear_object(&priv->ppp_manager); + } + + if (device) { + g_return_if_fail(NM_IS_DEVICE(device)); + + if (priv->ip4_method == NM_MODEM_IP_METHOD_STATIC + || priv->ip4_method == NM_MODEM_IP_METHOD_AUTO + || priv->ip6_method == NM_MODEM_IP_METHOD_STATIC + || priv->ip6_method == NM_MODEM_IP_METHOD_AUTO) { + ifindex = nm_device_get_ip_ifindex(device); + if (ifindex > 0) { + NMPlatform *platform = nm_device_get_platform(device); + + nm_platform_ip_route_flush(platform, AF_UNSPEC, ifindex); + nm_platform_ip_address_flush(platform, AF_UNSPEC, ifindex); + nm_platform_link_set_down(platform, ifindex); + } + } + } + + nm_clear_g_free(&priv->data_port); + priv->mm_ip_timeout = 0; + priv->ip4_method = NM_MODEM_IP_METHOD_UNKNOWN; + priv->ip6_method = NM_MODEM_IP_METHOD_UNKNOWN; + _set_ip_ifindex(self, -1, NULL); +} + +/*****************************************************************************/ + +typedef struct { + NMModem * self; + NMDevice * device; + GCancellable * cancellable; + NMModemDeactivateCallback callback; + gpointer callback_user_data; +} DeactivateContext; + +static void +deactivate_context_complete(DeactivateContext *ctx, GError *error) +{ + NMModem *self = ctx->self; + + _LOGD("modem deactivation finished %s%s%s", + NM_PRINT_FMT_QUOTED(error, "with failure: ", error->message, "", "successfully")); + + if (ctx->callback) + ctx->callback(ctx->self, error, ctx->callback_user_data); + nm_g_object_unref(ctx->cancellable); + g_object_unref(ctx->device); + g_object_unref(ctx->self); + g_slice_free(DeactivateContext, ctx); +} + +static void +_deactivate_call_disconnect_cb(NMModem *self, GError *error, gpointer user_data) +{ + deactivate_context_complete(user_data, error); +} + +static void +_deactivate_call_disconnect(DeactivateContext *ctx) +{ + NM_MODEM_GET_CLASS(ctx->self)->disconnect(ctx->self, + FALSE, + ctx->cancellable, + _deactivate_call_disconnect_cb, + ctx); +} + +static void +_deactivate_ppp_manager_stop_cb(NMPPPManager * ppp_manager, + NMPPPManagerStopHandle *handle, + gboolean was_cancelled, + gpointer user_data) +{ + DeactivateContext *ctx = user_data; + + g_object_unref(ppp_manager); + + if (was_cancelled) { + gs_free_error GError *error = NULL; + + if (!g_cancellable_set_error_if_cancelled(ctx->cancellable, &error)) + nm_assert_not_reached(); + deactivate_context_complete(ctx, error); + return; + } + + nm_assert(!g_cancellable_is_cancelled(ctx->cancellable)); + _deactivate_call_disconnect(ctx); +} + +void +nm_modem_deactivate_async(NMModem * self, + NMDevice * device, + GCancellable * cancellable, + NMModemDeactivateCallback callback, + gpointer user_data) +{ + NMModemPrivate * priv = NM_MODEM_GET_PRIVATE(self); + DeactivateContext *ctx; + NMPPPManager * ppp_manager; + + g_return_if_fail(NM_IS_MODEM(self)); + g_return_if_fail(NM_IS_DEVICE(device)); + g_return_if_fail(G_IS_CANCELLABLE(cancellable)); + + ctx = g_slice_new(DeactivateContext); + ctx->self = g_object_ref(self); + ctx->device = g_object_ref(device); + ctx->cancellable = g_object_ref(cancellable); + ctx->callback = callback; + ctx->callback_user_data = user_data; + + ppp_manager = nm_g_object_ref(priv->ppp_manager); + + NM_MODEM_GET_CLASS(self)->deactivate_cleanup(self, ctx->device, FALSE); + + if (ppp_manager) { + /* If we have a PPP manager, stop it. + * + * Pass on the reference in @ppp_manager. */ + nm_ppp_manager_stop(ppp_manager, ctx->cancellable, _deactivate_ppp_manager_stop_cb, ctx); + return; + } + + _deactivate_call_disconnect(ctx); +} + +/*****************************************************************************/ + +void +nm_modem_deactivate(NMModem *self, NMDevice *device) +{ + /* First cleanup */ + NM_MODEM_GET_CLASS(self)->deactivate_cleanup(self, device, TRUE); + /* Then disconnect without waiting */ + NM_MODEM_GET_CLASS(self)->disconnect(self, FALSE, NULL, NULL, NULL); +} + +/*****************************************************************************/ + +void +nm_modem_device_state_changed(NMModem *self, NMDeviceState new_state, NMDeviceState old_state) +{ + gboolean was_connected = FALSE, warn = TRUE; + NMModemPrivate *priv; + + g_return_if_fail(NM_IS_MODEM(self)); + + if (old_state >= NM_DEVICE_STATE_PREPARE && old_state <= NM_DEVICE_STATE_DEACTIVATING) + was_connected = TRUE; + + priv = NM_MODEM_GET_PRIVATE(self); + + /* Make sure we don't leave the serial device open */ + switch (new_state) { + case NM_DEVICE_STATE_UNMANAGED: + case NM_DEVICE_STATE_UNAVAILABLE: + case NM_DEVICE_STATE_FAILED: + case NM_DEVICE_STATE_DISCONNECTED: + if (priv->act_request) { + cancel_get_secrets(self); + g_object_unref(priv->act_request); + priv->act_request = NULL; + } + + if (was_connected) { + /* Don't bother warning on FAILED since the modem is already gone */ + if (new_state == NM_DEVICE_STATE_FAILED || new_state == NM_DEVICE_STATE_DISCONNECTED) + warn = FALSE; + /* First cleanup */ + NM_MODEM_GET_CLASS(self)->deactivate_cleanup(self, NULL, TRUE); + NM_MODEM_GET_CLASS(self)->disconnect(self, warn, NULL, NULL, NULL); + } + break; + default: + break; + } +} + +/*****************************************************************************/ + +const char * +nm_modem_get_uid(NMModem *self) +{ + g_return_val_if_fail(NM_IS_MODEM(self), NULL); + + return NM_MODEM_GET_PRIVATE(self)->uid; +} + +const char * +nm_modem_get_path(NMModem *self) +{ + g_return_val_if_fail(NM_IS_MODEM(self), NULL); + + return NM_MODEM_GET_PRIVATE(self)->path; +} + +const char * +nm_modem_get_driver(NMModem *self) +{ + g_return_val_if_fail(NM_IS_MODEM(self), NULL); + + return NM_MODEM_GET_PRIVATE(self)->driver; +} + +const char * +nm_modem_get_control_port(NMModem *self) +{ + g_return_val_if_fail(NM_IS_MODEM(self), NULL); + + return NM_MODEM_GET_PRIVATE(self)->control_port; +} + +int +nm_modem_get_ip_ifindex(NMModem *self) +{ + NMModemPrivate *priv; + + g_return_val_if_fail(NM_IS_MODEM(self), 0); + + priv = NM_MODEM_GET_PRIVATE(self); + + /* internally we track an unset ip_ifindex as -1. + * For the caller of nm_modem_get_ip_ifindex(), this + * shall be zero too. */ + return priv->ip_ifindex != -1 ? priv->ip_ifindex : 0; +} + +static void +_set_ip_ifindex(NMModem *self, int ifindex, const char *ifname) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + nm_assert(ifindex >= -1); + nm_assert((ifindex > 0) == !!ifname); + + if (!nm_streq0(priv->ip_iface, ifname)) { + g_free(priv->ip_iface); + priv->ip_iface = g_strdup(ifname); + } + + if (priv->ip_ifindex != ifindex) { + priv->ip_ifindex = ifindex; + _notify(self, PROP_IP_IFINDEX); + } +} + +gboolean +nm_modem_set_data_port(NMModem * self, + NMPlatform * platform, + const char * data_port, + NMModemIPMethod ip4_method, + NMModemIPMethod ip6_method, + guint timeout, + GError ** error) +{ + NMModemPrivate *priv; + gboolean is_ppp; + int ifindex = -1; + + g_return_val_if_fail(NM_IS_MODEM(self), FALSE); + g_return_val_if_fail(NM_IS_PLATFORM(platform), FALSE); + g_return_val_if_fail(!error || !*error, FALSE); + + priv = NM_MODEM_GET_PRIVATE(self); + + if (priv->ppp_manager || priv->data_port || priv->ip_ifindex != -1) { + g_set_error_literal(error, + NM_UTILS_ERROR, + NM_UTILS_ERROR_UNKNOWN, + "cannot set data port in activated state"); + /* this really shouldn't happen. Assert. */ + g_return_val_if_reached(FALSE); + } + + if (!data_port) { + g_set_error_literal(error, NM_UTILS_ERROR, NM_UTILS_ERROR_UNKNOWN, "missing data port"); + return FALSE; + } + + is_ppp = (ip4_method == NM_MODEM_IP_METHOD_PPP) || (ip6_method == NM_MODEM_IP_METHOD_PPP); + if (is_ppp) { + if (!NM_IN_SET(ip4_method, NM_MODEM_IP_METHOD_UNKNOWN, NM_MODEM_IP_METHOD_PPP) + || !NM_IN_SET(ip6_method, NM_MODEM_IP_METHOD_UNKNOWN, NM_MODEM_IP_METHOD_PPP)) { + g_set_error_literal(error, + NM_UTILS_ERROR, + NM_UTILS_ERROR_UNKNOWN, + "conflicting ip methods"); + return FALSE; + } + } else if (!NM_IN_SET(ip4_method, + NM_MODEM_IP_METHOD_UNKNOWN, + NM_MODEM_IP_METHOD_STATIC, + NM_MODEM_IP_METHOD_AUTO) + || !NM_IN_SET(ip6_method, + NM_MODEM_IP_METHOD_UNKNOWN, + NM_MODEM_IP_METHOD_STATIC, + NM_MODEM_IP_METHOD_AUTO) + || (ip4_method == NM_MODEM_IP_METHOD_UNKNOWN + && ip6_method == NM_MODEM_IP_METHOD_UNKNOWN)) { + g_set_error_literal(error, NM_UTILS_ERROR, NM_UTILS_ERROR_UNKNOWN, "invalid ip methods"); + return FALSE; + } + + if (!is_ppp) { + ifindex = nm_platform_if_nametoindex(platform, data_port); + if (ifindex <= 0) { + g_set_error(error, + NM_UTILS_ERROR, + NM_UTILS_ERROR_UNKNOWN, + "cannot find network interface %s", + data_port); + return FALSE; + } + if (!nm_platform_process_events_ensure_link(platform, ifindex, data_port)) { + g_set_error(error, + NM_UTILS_ERROR, + NM_UTILS_ERROR_UNKNOWN, + "cannot find network interface %s in platform cache", + data_port); + return FALSE; + } + } + + priv->mm_ip_timeout = timeout; + priv->ip4_method = ip4_method; + priv->ip6_method = ip6_method; + if (is_ppp) { + priv->data_port = g_strdup(data_port); + _set_ip_ifindex(self, -1, NULL); + } else { + priv->data_port = NULL; + _set_ip_ifindex(self, ifindex, data_port); + } + return TRUE; +} + +gboolean +nm_modem_owns_port(NMModem *self, const char *iface) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + g_return_val_if_fail(iface != NULL, FALSE); + + if (NM_MODEM_GET_CLASS(self)->owns_port) + return NM_MODEM_GET_CLASS(self)->owns_port(self, iface); + + return NM_IN_STRSET(iface, priv->ip_iface, priv->data_port, priv->control_port); +} + +gboolean +nm_modem_get_iid(NMModem *self, NMUtilsIPv6IfaceId *out_iid) +{ + g_return_val_if_fail(NM_IS_MODEM(self), FALSE); + + *out_iid = NM_MODEM_GET_PRIVATE(self)->iid; + return TRUE; +} + +/*****************************************************************************/ + +void +nm_modem_get_route_parameters(NMModem *self, + guint32 *out_ip4_route_table, + guint32 *out_ip4_route_metric, + guint32 *out_ip6_route_table, + guint32 *out_ip6_route_metric) +{ + NMModemPrivate *priv; + + g_return_if_fail(NM_IS_MODEM(self)); + + priv = NM_MODEM_GET_PRIVATE(self); + NM_SET_OUT(out_ip4_route_table, priv->ip4_route_table); + NM_SET_OUT(out_ip4_route_metric, priv->ip4_route_metric); + NM_SET_OUT(out_ip6_route_table, priv->ip6_route_table); + NM_SET_OUT(out_ip6_route_metric, priv->ip6_route_metric); +} + +void +nm_modem_set_route_parameters(NMModem *self, + guint32 ip4_route_table, + guint32 ip4_route_metric, + guint32 ip6_route_table, + guint32 ip6_route_metric) +{ + NMModemPrivate *priv; + + g_return_if_fail(NM_IS_MODEM(self)); + + priv = NM_MODEM_GET_PRIVATE(self); + if (priv->ip4_route_table != ip4_route_table || priv->ip4_route_metric != ip4_route_metric + || priv->ip6_route_table != ip6_route_table || priv->ip6_route_metric != ip6_route_metric) { + priv->ip4_route_table = ip4_route_table; + priv->ip4_route_metric = ip4_route_metric; + priv->ip6_route_table = ip6_route_table; + priv->ip6_route_metric = ip6_route_metric; + + _LOGT("route-parameters: table-v4: %u, metric-v4: %u, table-v6: %u, metric-v6: %u", + priv->ip4_route_table, + priv->ip4_route_metric, + priv->ip6_route_table, + priv->ip6_route_metric); + } + + if (priv->ppp_manager) { + nm_ppp_manager_set_route_parameters(priv->ppp_manager, + priv->ip4_route_table, + priv->ip4_route_metric, + priv->ip6_route_table, + priv->ip6_route_metric); + } +} + +void +nm_modem_set_route_parameters_from_device(NMModem *self, NMDevice *device) +{ + g_return_if_fail(NM_IS_DEVICE(device)); + + nm_modem_set_route_parameters(self, + nm_device_get_route_table(device, AF_INET), + nm_device_get_route_metric(device, AF_INET), + nm_device_get_route_table(device, AF_INET6), + nm_device_get_route_metric(device, AF_INET6)); +} + +/*****************************************************************************/ + +void +nm_modem_get_capabilities(NMModem * self, + NMDeviceModemCapabilities *modem_caps, + NMDeviceModemCapabilities *current_caps) +{ + g_return_if_fail(NM_IS_MODEM(self)); + + NM_MODEM_GET_CLASS(self)->get_capabilities(self, modem_caps, current_caps); +} + +/*****************************************************************************/ + +void +_nm_modem_set_operator_code(NMModem *self, const char *operator_code) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + if (g_strcmp0(priv->operator_code, operator_code) != 0) { + g_free(priv->operator_code); + priv->operator_code = g_strdup(operator_code); + _notify(self, PROP_OPERATOR_CODE); + } +} + +void +_nm_modem_set_apn(NMModem *self, const char *apn) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + if (g_strcmp0(priv->apn, apn) != 0) { + g_free(priv->apn); + priv->apn = g_strdup(apn); + _notify(self, PROP_APN); + } +} + +static void +get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +{ + NMModem * self = NM_MODEM(object); + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(self); + + switch (prop_id) { + case PROP_PATH: + g_value_set_string(value, priv->path); + break; + case PROP_DRIVER: + g_value_set_string(value, priv->driver); + break; + case PROP_CONTROL_PORT: + g_value_set_string(value, priv->control_port); + break; + case PROP_IP_IFINDEX: + g_value_set_int(value, nm_modem_get_ip_ifindex(self)); + break; + case PROP_UID: + g_value_set_string(value, priv->uid); + break; + case PROP_STATE: + g_value_set_int(value, priv->state); + break; + case PROP_DEVICE_ID: + g_value_set_string(value, priv->device_id); + break; + case PROP_SIM_ID: + g_value_set_string(value, priv->sim_id); + break; + case PROP_IP_TYPES: + g_value_set_uint(value, priv->ip_types); + break; + case PROP_SIM_OPERATOR_ID: + g_value_set_string(value, priv->sim_operator_id); + break; + case PROP_OPERATOR_CODE: + g_value_set_string(value, priv->operator_code); + break; + case PROP_APN: + g_value_set_string(value, priv->apn); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; + } +} + +static void +set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(object); + const char * s; + + switch (prop_id) { + case PROP_PATH: + /* construct-only */ + priv->path = g_value_dup_string(value); + g_return_if_fail(priv->path); + break; + case PROP_DRIVER: + /* construct-only */ + priv->driver = g_value_dup_string(value); + break; + case PROP_CONTROL_PORT: + /* construct-only */ + priv->control_port = g_value_dup_string(value); + break; + case PROP_UID: + /* construct-only */ + priv->uid = g_value_dup_string(value); + break; + case PROP_STATE: + /* construct-only */ + priv->state = g_value_get_int(value); + break; + case PROP_DEVICE_ID: + /* construct-only */ + priv->device_id = g_value_dup_string(value); + break; + case PROP_SIM_ID: + g_free(priv->sim_id); + priv->sim_id = g_value_dup_string(value); + break; + case PROP_IP_TYPES: + priv->ip_types = g_value_get_uint(value); + break; + case PROP_SIM_OPERATOR_ID: + nm_clear_g_free(&priv->sim_operator_id); + s = g_value_get_string(value); + if (s && s[0]) + priv->sim_operator_id = g_strdup(s); + break; + case PROP_OPERATOR_CODE: + /* construct-only */ + priv->operator_code = g_value_dup_string(value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; + } +} + +/*****************************************************************************/ + +static void +nm_modem_init(NMModem *self) +{ + NMModemPrivate *priv; + + self->_priv = G_TYPE_INSTANCE_GET_PRIVATE(self, NM_TYPE_MODEM, NMModemPrivate); + priv = self->_priv; + + priv->ip_ifindex = -1; + priv->ip4_route_table = RT_TABLE_MAIN; + priv->ip4_route_metric = 700; + priv->ip6_route_table = RT_TABLE_MAIN; + priv->ip6_route_metric = 700; +} + +static void +constructed(GObject *object) +{ + NMModemPrivate *priv; + + G_OBJECT_CLASS(nm_modem_parent_class)->constructed(object); + + priv = NM_MODEM_GET_PRIVATE(NM_MODEM(object)); + + g_return_if_fail(priv->control_port); +} + +/*****************************************************************************/ + +static void +dispose(GObject *object) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(object); + + g_clear_object(&priv->act_request); + + G_OBJECT_CLASS(nm_modem_parent_class)->dispose(object); +} + +static void +finalize(GObject *object) +{ + NMModemPrivate *priv = NM_MODEM_GET_PRIVATE(object); + + g_free(priv->uid); + g_free(priv->path); + g_free(priv->driver); + g_free(priv->control_port); + g_free(priv->data_port); + g_free(priv->ip_iface); + g_free(priv->device_id); + g_free(priv->sim_id); + g_free(priv->sim_operator_id); + g_free(priv->operator_code); + g_free(priv->apn); + + G_OBJECT_CLASS(nm_modem_parent_class)->finalize(object); +} + +static void +nm_modem_class_init(NMModemClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS(klass); + + g_type_class_add_private(object_class, sizeof(NMModemPrivate)); + + object_class->constructed = constructed; + object_class->set_property = set_property; + object_class->get_property = get_property; + object_class->dispose = dispose; + object_class->finalize = finalize; + + klass->modem_act_stage1_prepare = modem_act_stage1_prepare; + klass->stage3_ip6_config_request = stage3_ip6_config_request; + klass->deactivate_cleanup = deactivate_cleanup; + + obj_properties[PROP_UID] = + g_param_spec_string(NM_MODEM_UID, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_PATH] = + g_param_spec_string(NM_MODEM_PATH, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_DRIVER] = + g_param_spec_string(NM_MODEM_DRIVER, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_CONTROL_PORT] = + g_param_spec_string(NM_MODEM_CONTROL_PORT, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_IP_IFINDEX] = g_param_spec_int(NM_MODEM_IP_IFINDEX, + "", + "", + 0, + G_MAXINT, + 0, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_STATE] = + g_param_spec_int(NM_MODEM_STATE, + "", + "", + NM_MODEM_STATE_UNKNOWN, + _NM_MODEM_STATE_LAST, + NM_MODEM_STATE_UNKNOWN, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_DEVICE_ID] = + g_param_spec_string(NM_MODEM_DEVICE_ID, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_SIM_ID] = + g_param_spec_string(NM_MODEM_SIM_ID, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_IP_TYPES] = + g_param_spec_uint(NM_MODEM_IP_TYPES, + "IP Types", + "Supported IP types", + 0, + G_MAXUINT32, + NM_MODEM_IP_TYPE_IPV4, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_SIM_OPERATOR_ID] = + g_param_spec_string(NM_MODEM_SIM_OPERATOR_ID, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_OPERATOR_CODE] = + g_param_spec_string(NM_MODEM_OPERATOR_CODE, + "", + "", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS); + + obj_properties[PROP_APN] = + g_param_spec_string(NM_MODEM_APN, "", "", NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); + + signals[PPP_STATS] = g_signal_new(NM_MODEM_PPP_STATS, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 2, + G_TYPE_UINT /*guint32 in_bytes*/, + G_TYPE_UINT /*guint32 out_bytes*/); + + signals[PPP_FAILED] = g_signal_new(NM_MODEM_PPP_FAILED, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 1, + G_TYPE_UINT); + + signals[IP4_CONFIG_RESULT] = g_signal_new(NM_MODEM_IP4_CONFIG_RESULT, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 2, + G_TYPE_OBJECT, + G_TYPE_POINTER); + + /** + * NMModem::ip6-config-result: + * @modem: the #NMModem on which the signal is emitted + * @config: the #NMIP6Config to apply to the modem's data port + * @do_slaac: %TRUE if IPv6 SLAAC should be started + * @error: a #GError if any error occurred during IP configuration + * + * This signal is emitted when IPv6 configuration has completed or failed. + * If @error is set the configuration failed. If @config is set, then + * the details should be applied to the data port before any further + * configuration (like SLAAC) is done. @do_slaac indicates whether SLAAC + * should be started after applying @config to the data port. + */ + signals[IP6_CONFIG_RESULT] = g_signal_new(NM_MODEM_IP6_CONFIG_RESULT, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 3, + G_TYPE_OBJECT, + G_TYPE_BOOLEAN, + G_TYPE_POINTER); + + signals[PREPARE_RESULT] = g_signal_new(NM_MODEM_PREPARE_RESULT, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 2, + G_TYPE_BOOLEAN, + G_TYPE_UINT); + + signals[AUTH_REQUESTED] = g_signal_new(NM_MODEM_AUTH_REQUESTED, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 0); + + signals[AUTH_RESULT] = g_signal_new(NM_MODEM_AUTH_RESULT, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 1, + G_TYPE_POINTER); + + signals[REMOVED] = g_signal_new(NM_MODEM_REMOVED, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 0); + + signals[STATE_CHANGED] = g_signal_new(NM_MODEM_STATE_CHANGED, + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, + NULL, + NULL, + G_TYPE_NONE, + 2, + G_TYPE_INT, + G_TYPE_INT); +} |