/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ /* * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA. * * Copyright 2010 - 2011 Red Hat, Inc. */ #ifndef NM_SECRET_AGENT_H #define NM_SECRET_AGENT_H #include "nm-connection.h" G_BEGIN_DECLS #define NM_SECRET_AGENT_ERROR (nm_secret_agent_error_quark ()) GQuark nm_secret_agent_error_quark (void); /** * NMSecretAgentError: * @NM_SECRET_AGENT_ERROR_NOT_AUTHORIZED: the caller (ie, NetworkManager) is not * authorized to make this request * @NM_SECRET_AGENT_ERROR_INVALID_CONNECTION: the connection for which secrets * were requested could not be found * @NM_SECRET_AGENT_ERROR_USER_CANCELED: the request was canceled by the user * @NM_SECRET_AGENT_ERROR_AGENT_CANCELED: the agent canceled the request * because it was requested to do so by NetworkManager * @NM_SECRET_AGENT_ERROR_INTERNAL_ERROR: some internal error in the agent caused * the request to fail * @NM_SECRET_AGENT_ERROR_NO_SECRETS: the agent cannot find any secrets for this * connection * * #NMSecretAgentError values are passed by secret agents back to NetworkManager * when they encounter problems retrieving secrets on behalf of NM. */ typedef enum { NM_SECRET_AGENT_ERROR_NOT_AUTHORIZED = 0, /*< nick=NotAuthorized >*/ NM_SECRET_AGENT_ERROR_INVALID_CONNECTION, /*< nick=InvalidConnection >*/ NM_SECRET_AGENT_ERROR_USER_CANCELED, /*< nick=UserCanceled >*/ NM_SECRET_AGENT_ERROR_AGENT_CANCELED, /*< nick=AgentCanceled >*/ NM_SECRET_AGENT_ERROR_INTERNAL_ERROR, /*< nick=InternalError >*/ NM_SECRET_AGENT_ERROR_NO_SECRETS, /*< nick=NoSecrets >*/ } NMSecretAgentError; /** * NMSecretAgentCapabilities: * @NM_SECRET_AGENT_CAPABILITY_NONE: the agent supports no special capabilities * @NM_SECRET_AGENT_CAPABILITY_VPN_HINTS: the agent supports sending hints given * by the get_secrets class method to VPN plugin * authentication dialogs. * @NM_SECRET_AGENT_CAPABILITY_LAST: bounds checking value; should not be used. * * #NMSecretAgentCapabilities indicate various capabilities of the agent. * * Since: 0.9.10 */ typedef enum /*< flags >*/ { NM_SECRET_AGENT_CAPABILITY_NONE = 0x0, NM_SECRET_AGENT_CAPABILITY_VPN_HINTS = 0x1, /* boundary value */ NM_SECRET_AGENT_CAPABILITY_LAST = NM_SECRET_AGENT_CAPABILITY_VPN_HINTS } NMSecretAgentCapabilities; /** * NMSecretAgentGetSecretsFlags: * @NM_SECRET_AGENT_GET_SECRETS_FLAG_NONE: no special behavior; by default no * user interaction is allowed and requests for secrets are fulfilled from * persistent storage, or if no secrets are available an error is returned. * @NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION: allows the request to * interact with the user, possibly prompting via UI for secrets if any are * required, or if none are found in persistent storage. * @NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW: explicitly prompt for new * secrets from the user. This flag signals that NetworkManager thinks any * existing secrets are invalid or wrong. This flag implies that interaction * is allowed. * @NM_SECRET_AGENT_GET_SECRETS_FLAG_USER_REQUESTED: set if the request was * initiated by user-requested action via the D-Bus interface, as opposed to * automatically initiated by NetworkManager in response to (for example) scan * results or carrier changes. * * #NMSecretAgentGetSecretsFlags values modify the behavior of a GetSecrets request. */ typedef enum /*< flags >*/ { NM_SECRET_AGENT_GET_SECRETS_FLAG_NONE = 0x0, NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION = 0x1, NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW = 0x2, NM_SECRET_AGENT_GET_SECRETS_FLAG_USER_REQUESTED = 0x4 } NMSecretAgentGetSecretsFlags; #define NM_TYPE_SECRET_AGENT (nm_secret_agent_get_type ()) #define NM_SECRET_AGENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_SECRET_AGENT, NMSecretAgent)) #define NM_SECRET_AGENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), NM_TYPE_SECRET_AGENT, NMSecretAgentClass)) #define NM_IS_SECRET_AGENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NM_TYPE_SECRET_AGENT)) #define NM_IS_SECRET_AGENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), NM_TYPE_SECRET_AGENT)) #define NM_SECRET_AGENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), NM_TYPE_SECRET_AGENT, NMSecretAgentClass)) #define NM_SECRET_AGENT_IDENTIFIER "identifier" #define NM_SECRET_AGENT_AUTO_REGISTER "auto-register" #define NM_SECRET_AGENT_REGISTERED "registered" #define NM_SECRET_AGENT_CAPABILITIES "capabilities" #define NM_SECRET_AGENT_REGISTRATION_RESULT "registration-result" typedef struct { GObject parent; } NMSecretAgent; /** * NMSecretAgentGetSecretsFunc: * @agent: the secret agent object * @connection: (transfer none): the connection for which secrets were requested, * note that this object will be unrefed after the callback has returned, use * g_object_ref()/g_object_unref() if you want to use this object after the callback * has returned * @secrets: (element-type utf8 GLib.HashTable): the #GHashTable containing * the requested secrets in the same format as an #NMConnection hash (as * created by nm_connection_to_hash() for example). Each key in @secrets * should be the name of a #NMSetting object (like "802-11-wireless-security") * and each value should be a #GHashTable. The sub-hashes map string:#GValue * where the string is the setting property name (like "psk") and the value * is the secret * @error: if the secrets request failed, give a descriptive error here * @user_data: caller-specific data to be passed to the function * * Called as a result of a request by NM to retrieve secrets. When the * #NMSecretAgent subclass has finished retrieving secrets and is ready to * return them, or to return an error, this function should be called with * those secrets or the error. * * To easily create the hash table to return the Wi-Fi PSK, you could do * something like this: * * Creating a secrets hash * * NMConnection *secrets; * NMSettingWirelessSecurity *s_wsec; * GHashTable *secrets_hash; * * secrets = nm_connection_new (); * s_wsec = (NMSettingWirelessSecurity *) nm_setting_wireless_security_new (); * g_object_set (G_OBJECT (s_wsec), * NM_SETTING_WIRELESS_SECURITY_PSK, "my really cool PSK", * NULL); * nm_connection_add_setting (secrets, NM_SETTING (s_wsec)); * secrets_hash = nm_connection_to_hash (secrets, NM_SETTING_HASH_FLAG_ALL); * * (call the NMSecretAgentGetSecretsFunc with secrets_hash) * * g_object_unref (secrets); * g_hash_table_unref (secrets_hash); * * */ typedef void (*NMSecretAgentGetSecretsFunc) (NMSecretAgent *agent, NMConnection *connection, GHashTable *secrets, GError *error, gpointer user_data); /** * NMSecretAgentSaveSecretsFunc: * @agent: the secret agent object * @connection: (transfer none): the connection for which secrets were to be saved, * note that this object will be unrefed after the callback has returned, use * g_object_ref()/g_object_unref() if you want to use this object after the callback * has returned * @error: if the saving secrets failed, give a descriptive error here * @user_data: caller-specific data to be passed to the function * * Called as a result of a request by NM to save secrets. When the * #NMSecretAgent subclass has finished saving the secrets, this function * should be called. */ typedef void (*NMSecretAgentSaveSecretsFunc) (NMSecretAgent *agent, NMConnection *connection, GError *error, gpointer user_data); /** * NMSecretAgentDeleteSecretsFunc: * @agent: the secret agent object * @connection: (transfer none): the connection for which secrets were to be deleted, * note that this object will be unrefed after the callback has returned, use * g_object_ref()/g_object_unref() if you want to use this object after the callback * has returned * @error: if the deleting secrets failed, give a descriptive error here * @user_data: caller-specific data to be passed to the function * * Called as a result of a request by NM to delete secrets. When the * #NMSecretAgent subclass has finished deleting the secrets, this function * should be called. */ typedef void (*NMSecretAgentDeleteSecretsFunc) (NMSecretAgent *agent, NMConnection *connection, GError *error, gpointer user_data); typedef struct { GObjectClass parent; /* Virtual methods for subclasses */ /* Called when the subclass should retrieve and return secrets. Subclass * must copy or reference any arguments it may require after returning from * this method, as the arguments will freed (except for 'self', 'callback', * and 'user_data' of course). If the request is canceled, the callback * should still be called, but with the NM_SECRET_AGENT_ERROR_AGENT_CANCELED * error. */ void (*get_secrets) (NMSecretAgent *self, NMConnection *connection, const char *connection_path, const char *setting_name, const char **hints, NMSecretAgentGetSecretsFlags flags, NMSecretAgentGetSecretsFunc callback, gpointer user_data); /* Called when the subclass should cancel an outstanding request to * get secrets for a given connection. Canceling the request MUST * call the callback that was passed along with the initial get_secrets * call, sending the NM_SECRET_AGENT_ERROR/NM_SECRET_AGENT_ERROR_AGENT_CANCELED * error to that callback. */ void (*cancel_get_secrets) (NMSecretAgent *self, const char *connection_path, const char *setting_name); /* Called when the subclass should save the secrets contained in the * connection to backing storage. Subclass must copy or reference any * arguments it may require after returning from this method, as the * arguments will freed (except for 'self', 'callback', and 'user_data' * of course). */ void (*save_secrets) (NMSecretAgent *self, NMConnection *connection, const char *connection_path, NMSecretAgentSaveSecretsFunc callback, gpointer user_data); /* Called when the subclass should delete the secrets contained in the * connection from backing storage. Subclass must copy or reference any * arguments it may require after returning from this method, as the * arguments will freed (except for 'self', 'callback', and 'user_data' * of course). */ void (*delete_secrets) (NMSecretAgent *self, NMConnection *connection, const char *connection_path, NMSecretAgentDeleteSecretsFunc callback, gpointer user_data); /* Signals */ void (*registration_result) (NMSecretAgent *agent, GError *error); /* Padding for future expansion */ void (*_reserved1) (void); void (*_reserved2) (void); void (*_reserved3) (void); void (*_reserved4) (void); void (*_reserved5) (void); void (*_reserved6) (void); } NMSecretAgentClass; GType nm_secret_agent_get_type (void); gboolean nm_secret_agent_register (NMSecretAgent *self); gboolean nm_secret_agent_unregister (NMSecretAgent *self); gboolean nm_secret_agent_get_registered (NMSecretAgent *self); void nm_secret_agent_get_secrets (NMSecretAgent *self, NMConnection *connection, const char *setting_name, const char **hints, NMSecretAgentGetSecretsFlags flags, NMSecretAgentGetSecretsFunc callback, gpointer user_data); void nm_secret_agent_save_secrets (NMSecretAgent *self, NMConnection *connection, NMSecretAgentSaveSecretsFunc callback, gpointer user_data); void nm_secret_agent_delete_secrets (NMSecretAgent *self, NMConnection *connection, NMSecretAgentDeleteSecretsFunc callback, gpointer user_data); G_END_DECLS #endif /* NM_SECRET_AGENT_H */