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5d0ffe73b7
This doesn’t change the `GDBusDaemon` behaviour, but does simplify the code a little. Signed-off-by: Philip Withnall <pwithnall@endlessos.org> Helps: #1804
1745 lines
42 KiB
C
1745 lines
42 KiB
C
#include "config.h"
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#include <string.h>
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#include <stdlib.h>
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#include <gstdio.h>
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#include <gio/gio.h>
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#include <gio/gunixsocketaddress.h>
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#include "gdbusdaemon.h"
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#include "glibintl.h"
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#include "gdbus-daemon-generated.h"
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#define DBUS_SERVICE_NAME "org.freedesktop.DBus"
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/* Owner flags */
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#define DBUS_NAME_FLAG_ALLOW_REPLACEMENT 0x1 /**< Allow another service to become the primary owner if requested */
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#define DBUS_NAME_FLAG_REPLACE_EXISTING 0x2 /**< Request to replace the current primary owner */
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#define DBUS_NAME_FLAG_DO_NOT_QUEUE 0x4 /**< If we can not become the primary owner do not place us in the queue */
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/* Replies to request for a name */
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#define DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER 1 /**< Service has become the primary owner of the requested name */
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#define DBUS_REQUEST_NAME_REPLY_IN_QUEUE 2 /**< Service could not become the primary owner and has been placed in the queue */
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#define DBUS_REQUEST_NAME_REPLY_EXISTS 3 /**< Service is already in the queue */
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#define DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER 4 /**< Service is already the primary owner */
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/* Replies to releasing a name */
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#define DBUS_RELEASE_NAME_REPLY_RELEASED 1 /**< Service was released from the given name */
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#define DBUS_RELEASE_NAME_REPLY_NON_EXISTENT 2 /**< The given name does not exist on the bus */
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#define DBUS_RELEASE_NAME_REPLY_NOT_OWNER 3 /**< Service is not an owner of the given name */
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/* Replies to service starts */
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#define DBUS_START_REPLY_SUCCESS 1 /**< Service was auto started */
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#define DBUS_START_REPLY_ALREADY_RUNNING 2 /**< Service was already running */
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#define IDLE_TIMEOUT_MSEC 3000
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struct _GDBusDaemon
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{
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_GFreedesktopDBusSkeleton parent_instance;
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gchar *address;
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guint timeout;
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gchar *tmpdir;
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GDBusServer *server;
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gchar *guid;
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GHashTable *clients;
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GHashTable *names;
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guint32 next_major_id;
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guint32 next_minor_id;
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};
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struct _GDBusDaemonClass
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{
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_GFreedesktopDBusSkeletonClass parent_class;
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};
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enum {
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PROP_0,
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PROP_ADDRESS,
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};
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enum
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{
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SIGNAL_IDLE_TIMEOUT,
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NR_SIGNALS
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};
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static guint g_dbus_daemon_signals[NR_SIGNALS];
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static void initable_iface_init (GInitableIface *initable_iface);
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static void g_dbus_daemon_iface_init (_GFreedesktopDBusIface *iface);
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#define g_dbus_daemon_get_type _g_dbus_daemon_get_type
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G_DEFINE_TYPE_WITH_CODE (GDBusDaemon, g_dbus_daemon, _G_TYPE_FREEDESKTOP_DBUS_SKELETON,
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G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, initable_iface_init)
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G_IMPLEMENT_INTERFACE (_G_TYPE_FREEDESKTOP_DBUS, g_dbus_daemon_iface_init))
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typedef struct {
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GDBusDaemon *daemon;
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char *id;
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GDBusConnection *connection;
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GList *matches;
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} Client;
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typedef struct {
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Client *client;
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guint32 flags;
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} NameOwner;
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typedef struct {
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int refcount;
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char *name;
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GDBusDaemon *daemon;
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NameOwner *owner;
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GList *queue;
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} Name;
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enum {
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MATCH_ELEMENT_TYPE,
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MATCH_ELEMENT_SENDER,
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MATCH_ELEMENT_INTERFACE,
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MATCH_ELEMENT_MEMBER,
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MATCH_ELEMENT_PATH,
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MATCH_ELEMENT_PATH_NAMESPACE,
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MATCH_ELEMENT_DESTINATION,
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MATCH_ELEMENT_ARG0NAMESPACE,
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MATCH_ELEMENT_EAVESDROP,
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MATCH_ELEMENT_ARGN,
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MATCH_ELEMENT_ARGNPATH,
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};
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typedef struct {
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guint16 type;
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guint16 arg;
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char *value;
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} MatchElement;
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typedef struct {
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gboolean eavesdrop;
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GDBusMessageType type;
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int n_elements;
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MatchElement *elements;
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} Match;
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static GDBusMessage *filter_function (GDBusConnection *connection,
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GDBusMessage *message,
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gboolean incoming,
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gpointer user_data);
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static void connection_closed (GDBusConnection *connection,
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gboolean remote_peer_vanished,
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GError *error,
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Client *client);
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static NameOwner *
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name_owner_new (Client *client, guint32 flags)
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{
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NameOwner *owner;
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owner = g_new0 (NameOwner, 1);
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owner->client = client;
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owner->flags = flags;
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return owner;
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}
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static void
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name_owner_free (NameOwner *owner)
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{
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g_free (owner);
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}
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static Name *
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name_new (GDBusDaemon *daemon, const char *str)
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{
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Name *name;
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name = g_new0 (Name, 1);
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name->refcount = 1;
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name->daemon = daemon;
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name->name = g_strdup (str);
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g_hash_table_insert (daemon->names, name->name, name);
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return name;
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}
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static Name *
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name_ref (Name *name)
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{
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g_assert (name->refcount > 0);
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name->refcount++;
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return name;
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}
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static void
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name_unref (Name *name)
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{
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g_assert (name->refcount > 0);
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if (--name->refcount == 0)
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{
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g_hash_table_remove (name->daemon->names, name->name);
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g_free (name->name);
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g_free (name);
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}
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}
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static Name *
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name_ensure (GDBusDaemon *daemon, const char *str)
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{
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Name *name;
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name = g_hash_table_lookup (daemon->names, str);
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if (name != NULL)
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return name_ref (name);
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return name_new (daemon, str);
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}
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static Name *
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name_lookup (GDBusDaemon *daemon, const char *str)
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{
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return g_hash_table_lookup (daemon->names, str);
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}
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static gboolean
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is_key (const char *key_start, const char *key_end, const char *value)
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{
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gsize len = strlen (value);
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g_assert (key_end >= key_start);
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if (len != (gsize) (key_end - key_start))
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return FALSE;
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return strncmp (key_start, value, len) == 0;
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}
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static gboolean
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parse_key (MatchElement *element, const char *key_start, const char *key_end)
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{
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gboolean res = TRUE;
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if (is_key (key_start, key_end, "type"))
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{
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element->type = MATCH_ELEMENT_TYPE;
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}
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else if (is_key (key_start, key_end, "sender"))
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{
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element->type = MATCH_ELEMENT_SENDER;
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}
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else if (is_key (key_start, key_end, "interface"))
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{
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element->type = MATCH_ELEMENT_INTERFACE;
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}
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else if (is_key (key_start, key_end, "member"))
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{
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element->type = MATCH_ELEMENT_MEMBER;
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}
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else if (is_key (key_start, key_end, "path"))
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{
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element->type = MATCH_ELEMENT_PATH;
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}
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else if (is_key (key_start, key_end, "path_namespace"))
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{
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element->type = MATCH_ELEMENT_PATH_NAMESPACE;
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}
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else if (is_key (key_start, key_end, "destination"))
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{
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element->type = MATCH_ELEMENT_DESTINATION;
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}
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else if (is_key (key_start, key_end, "arg0namespace"))
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{
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element->type = MATCH_ELEMENT_ARG0NAMESPACE;
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}
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else if (is_key (key_start, key_end, "eavesdrop"))
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{
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element->type = MATCH_ELEMENT_EAVESDROP;
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}
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else if (key_end - key_start > 3 && is_key (key_start, key_start + 3, "arg"))
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{
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const char *digits = key_start + 3;
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const char *end_digits = digits;
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while (end_digits < key_end && g_ascii_isdigit (*end_digits))
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end_digits++;
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if (end_digits == key_end) /* argN */
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{
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element->type = MATCH_ELEMENT_ARGN;
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element->arg = atoi (digits);
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}
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else if (is_key (end_digits, key_end, "path")) /* argNpath */
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{
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element->type = MATCH_ELEMENT_ARGNPATH;
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element->arg = atoi (digits);
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}
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else
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res = FALSE;
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}
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else
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res = FALSE;
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return res;
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}
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static const char *
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parse_value (MatchElement *element, const char *s)
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{
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char quote_char;
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GString *value;
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value = g_string_new ("");
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quote_char = 0;
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for (;*s; s++)
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{
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if (quote_char == 0)
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{
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switch (*s)
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{
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case '\'':
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quote_char = '\'';
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break;
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case ',':
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s++;
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goto out;
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case '\\':
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quote_char = '\\';
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break;
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default:
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g_string_append_c (value, *s);
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break;
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}
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}
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else if (quote_char == '\\')
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{
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/* \ only counts as an escape if escaping a quote mark */
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if (*s != '\'')
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g_string_append_c (value, '\\');
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g_string_append_c (value, *s);
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quote_char = 0;
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}
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else /* quote_char == ' */
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{
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if (*s == '\'')
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quote_char = 0;
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else
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g_string_append_c (value, *s);
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}
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}
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out:
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if (quote_char == '\\')
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g_string_append_c (value, '\\');
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else if (quote_char == '\'')
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{
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g_string_free (value, TRUE);
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return NULL;
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}
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element->value = g_string_free (value, FALSE);
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return s;
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}
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static Match *
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match_new (const char *str)
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{
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Match *match;
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GArray *elements;
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const char *p;
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const char *key_start;
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const char *key_end;
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MatchElement element;
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gboolean eavesdrop;
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GDBusMessageType type;
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gsize i;
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eavesdrop = FALSE;
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type = G_DBUS_MESSAGE_TYPE_INVALID;
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elements = g_array_new (TRUE, TRUE, sizeof (MatchElement));
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p = str;
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while (*p != 0)
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{
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memset (&element, 0, sizeof (element));
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/* Skip initial whitespace */
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while (*p && g_ascii_isspace (*p))
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p++;
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key_start = p;
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/* Read non-whitespace non-equals chars */
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while (*p && *p != '=' && !g_ascii_isspace (*p))
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p++;
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key_end = p;
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/* Skip any whitespace after key */
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while (*p && g_ascii_isspace (*p))
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p++;
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if (key_start == key_end)
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continue; /* Allow trailing whitespace */
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if (*p != '=')
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goto error;
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++p;
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if (!parse_key (&element, key_start, key_end))
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goto error;
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p = parse_value (&element, p);
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if (p == NULL)
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goto error;
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if (element.type == MATCH_ELEMENT_EAVESDROP)
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{
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if (strcmp (element.value, "true") == 0)
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eavesdrop = TRUE;
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else if (strcmp (element.value, "false") == 0)
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eavesdrop = FALSE;
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else
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{
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g_free (element.value);
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goto error;
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}
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g_free (element.value);
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}
|
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else if (element.type == MATCH_ELEMENT_TYPE)
|
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{
|
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if (strcmp (element.value, "signal") == 0)
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type = G_DBUS_MESSAGE_TYPE_SIGNAL;
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else if (strcmp (element.value, "method_call") == 0)
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type = G_DBUS_MESSAGE_TYPE_METHOD_CALL;
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else if (strcmp (element.value, "method_return") == 0)
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type = G_DBUS_MESSAGE_TYPE_METHOD_RETURN;
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else if (strcmp (element.value, "error") == 0)
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type = G_DBUS_MESSAGE_TYPE_ERROR;
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else
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{
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g_free (element.value);
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goto error;
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||
}
|
||
g_free (element.value);
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||
}
|
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else
|
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g_array_append_val (elements, element);
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}
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match = g_new0 (Match, 1);
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match->n_elements = elements->len;
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match->elements = (MatchElement *)g_array_free (elements, FALSE);
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match->eavesdrop = eavesdrop;
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match->type = type;
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return match;
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error:
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||
for (i = 0; i < elements->len; i++)
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g_free (g_array_index (elements, MatchElement, i).value);
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g_array_free (elements, TRUE);
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return NULL;
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||
}
|
||
|
||
static void
|
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match_free (Match *match)
|
||
{
|
||
int i;
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for (i = 0; i < match->n_elements; i++)
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g_free (match->elements[i].value);
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g_free (match->elements);
|
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g_free (match);
|
||
}
|
||
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static gboolean
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match_equal (Match *a, Match *b)
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||
{
|
||
int i;
|
||
|
||
if (a->eavesdrop != b->eavesdrop)
|
||
return FALSE;
|
||
if (a->type != b->type)
|
||
return FALSE;
|
||
if (a->n_elements != b->n_elements)
|
||
return FALSE;
|
||
for (i = 0; i < a->n_elements; i++)
|
||
{
|
||
if (a->elements[i].type != b->elements[i].type ||
|
||
a->elements[i].arg != b->elements[i].arg ||
|
||
strcmp (a->elements[i].value, b->elements[i].value) != 0)
|
||
return FALSE;
|
||
}
|
||
return TRUE;
|
||
}
|
||
|
||
static const gchar *
|
||
message_get_argN (GDBusMessage *message, int n, gboolean allow_path)
|
||
{
|
||
const gchar *ret;
|
||
GVariant *body;
|
||
|
||
ret = NULL;
|
||
|
||
body = g_dbus_message_get_body (message);
|
||
|
||
if (body != NULL && g_variant_is_of_type (body, G_VARIANT_TYPE_TUPLE))
|
||
{
|
||
GVariant *item;
|
||
item = g_variant_get_child_value (body, n);
|
||
if (g_variant_is_of_type (item, G_VARIANT_TYPE_STRING) ||
|
||
(allow_path && g_variant_is_of_type (item, G_VARIANT_TYPE_OBJECT_PATH)))
|
||
ret = g_variant_get_string (item, NULL);
|
||
g_variant_unref (item);
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
enum {
|
||
CHECK_TYPE_STRING,
|
||
CHECK_TYPE_NAME,
|
||
CHECK_TYPE_PATH_PREFIX,
|
||
CHECK_TYPE_PATH_RELATED,
|
||
CHECK_TYPE_NAMESPACE_PREFIX
|
||
};
|
||
|
||
static gboolean
|
||
match_matches (GDBusDaemon *daemon,
|
||
Match *match, GDBusMessage *message,
|
||
gboolean has_destination)
|
||
{
|
||
MatchElement *element;
|
||
Name *name;
|
||
int i, len, len2;
|
||
const char *value;
|
||
int check_type;
|
||
|
||
if (has_destination && !match->eavesdrop)
|
||
return FALSE;
|
||
|
||
if (match->type != G_DBUS_MESSAGE_TYPE_INVALID &&
|
||
g_dbus_message_get_message_type (message) != match->type)
|
||
return FALSE;
|
||
|
||
for (i = 0; i < match->n_elements; i++)
|
||
{
|
||
element = &match->elements[i];
|
||
check_type = CHECK_TYPE_STRING;
|
||
switch (element->type)
|
||
{
|
||
case MATCH_ELEMENT_SENDER:
|
||
check_type = CHECK_TYPE_NAME;
|
||
value = g_dbus_message_get_sender (message);
|
||
if (value == NULL)
|
||
value = DBUS_SERVICE_NAME;
|
||
break;
|
||
case MATCH_ELEMENT_DESTINATION:
|
||
check_type = CHECK_TYPE_NAME;
|
||
value = g_dbus_message_get_destination (message);
|
||
break;
|
||
case MATCH_ELEMENT_INTERFACE:
|
||
value = g_dbus_message_get_interface (message);
|
||
break;
|
||
case MATCH_ELEMENT_MEMBER:
|
||
value = g_dbus_message_get_member (message);
|
||
break;
|
||
case MATCH_ELEMENT_PATH:
|
||
value = g_dbus_message_get_path (message);
|
||
break;
|
||
case MATCH_ELEMENT_PATH_NAMESPACE:
|
||
check_type = CHECK_TYPE_PATH_PREFIX;
|
||
value = g_dbus_message_get_path (message);
|
||
break;
|
||
case MATCH_ELEMENT_ARG0NAMESPACE:
|
||
check_type = CHECK_TYPE_NAMESPACE_PREFIX;
|
||
value = message_get_argN (message, 0, FALSE);
|
||
break;
|
||
case MATCH_ELEMENT_ARGN:
|
||
value = message_get_argN (message, element->arg, FALSE);
|
||
break;
|
||
case MATCH_ELEMENT_ARGNPATH:
|
||
check_type = CHECK_TYPE_PATH_RELATED;
|
||
value = message_get_argN (message, element->arg, TRUE);
|
||
break;
|
||
default:
|
||
case MATCH_ELEMENT_TYPE:
|
||
case MATCH_ELEMENT_EAVESDROP:
|
||
g_assert_not_reached ();
|
||
}
|
||
|
||
if (value == NULL)
|
||
return FALSE;
|
||
|
||
switch (check_type)
|
||
{
|
||
case CHECK_TYPE_STRING:
|
||
if (strcmp (element->value, value) != 0)
|
||
return FALSE;
|
||
break;
|
||
case CHECK_TYPE_NAME:
|
||
name = name_lookup (daemon, element->value);
|
||
if (name != NULL && name->owner != NULL)
|
||
{
|
||
if (strcmp (name->owner->client->id, value) != 0)
|
||
return FALSE;
|
||
}
|
||
else if (strcmp (element->value, value) != 0)
|
||
return FALSE;
|
||
break;
|
||
case CHECK_TYPE_PATH_PREFIX:
|
||
len = strlen (element->value);
|
||
|
||
/* Make sure to handle the case of element->value == '/'. */
|
||
if (len == 1)
|
||
break;
|
||
|
||
/* Fail if there's no prefix match, or if the prefix match doesn't
|
||
* finish at the end of or at a separator in the @value. */
|
||
if (!g_str_has_prefix (value, element->value))
|
||
return FALSE;
|
||
if (value[len] != 0 && value[len] != '/')
|
||
return FALSE;
|
||
|
||
break;
|
||
case CHECK_TYPE_PATH_RELATED:
|
||
len = strlen (element->value);
|
||
len2 = strlen (value);
|
||
|
||
if (!(strcmp (value, element->value) == 0 ||
|
||
(len2 > 0 && value[len2-1] == '/' && g_str_has_prefix (element->value, value)) ||
|
||
(len > 0 && element->value[len-1] == '/' && g_str_has_prefix (value, element->value))))
|
||
return FALSE;
|
||
break;
|
||
case CHECK_TYPE_NAMESPACE_PREFIX:
|
||
len = strlen (element->value);
|
||
if (!(g_str_has_prefix (value, element->value) &&
|
||
(value[len] == 0 || value[len] == '.')))
|
||
return FALSE;
|
||
break;
|
||
default:
|
||
g_assert_not_reached ();
|
||
}
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
broadcast_message (GDBusDaemon *daemon,
|
||
GDBusMessage *message,
|
||
gboolean has_destination,
|
||
gboolean preserve_serial,
|
||
Client *not_to)
|
||
{
|
||
GList *clients, *l, *ll;
|
||
GDBusMessage *copy;
|
||
|
||
clients = g_hash_table_get_values (daemon->clients);
|
||
for (l = clients; l != NULL; l = l->next)
|
||
{
|
||
Client *client = l->data;
|
||
|
||
if (client == not_to)
|
||
continue;
|
||
|
||
for (ll = client->matches; ll != NULL; ll = ll->next)
|
||
{
|
||
Match *match = ll->data;
|
||
|
||
if (match_matches (daemon, match, message, has_destination))
|
||
break;
|
||
}
|
||
|
||
if (ll != NULL)
|
||
{
|
||
copy = g_dbus_message_copy (message, NULL);
|
||
if (copy)
|
||
{
|
||
g_dbus_connection_send_message (client->connection, copy,
|
||
preserve_serial?G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL:0, NULL, NULL);
|
||
g_object_unref (copy);
|
||
}
|
||
}
|
||
}
|
||
|
||
g_list_free (clients);
|
||
}
|
||
|
||
static void
|
||
send_name_owner_changed (GDBusDaemon *daemon,
|
||
const char *name,
|
||
const char *old_owner,
|
||
const char *new_owner)
|
||
{
|
||
GDBusMessage *signal_message;
|
||
|
||
signal_message = g_dbus_message_new_signal ("/org/freedesktop/DBus",
|
||
"org.freedesktop.DBus",
|
||
"NameOwnerChanged");
|
||
g_dbus_message_set_body (signal_message,
|
||
g_variant_new ("(sss)",
|
||
name,
|
||
old_owner ? old_owner : "",
|
||
new_owner ? new_owner : ""));
|
||
|
||
broadcast_message (daemon, signal_message, FALSE, FALSE, NULL);
|
||
g_object_unref (signal_message);
|
||
|
||
}
|
||
|
||
static gboolean
|
||
name_unqueue_owner (Name *name, Client *client)
|
||
{
|
||
GList *l;
|
||
|
||
for (l = name->queue; l != NULL; l = l->next)
|
||
{
|
||
NameOwner *other = l->data;
|
||
|
||
if (other->client == client)
|
||
{
|
||
name->queue = g_list_delete_link (name->queue, l);
|
||
name_unref (name);
|
||
name_owner_free (other);
|
||
return TRUE;
|
||
}
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
name_replace_owner (Name *name, NameOwner *owner)
|
||
{
|
||
GDBusDaemon *daemon = name->daemon;
|
||
NameOwner *old_owner;
|
||
char *old_name = NULL, *new_name = NULL;
|
||
Client *new_client = NULL;
|
||
|
||
if (owner)
|
||
new_client = owner->client;
|
||
|
||
name_ref (name);
|
||
|
||
old_owner = name->owner;
|
||
if (old_owner)
|
||
{
|
||
Client *old_client = old_owner->client;
|
||
|
||
g_assert (old_owner->client != new_client);
|
||
|
||
g_dbus_connection_emit_signal (old_client->connection,
|
||
NULL, "/org/freedesktop/DBus",
|
||
"org.freedesktop.DBus", "NameLost",
|
||
g_variant_new ("(s)",
|
||
name->name), NULL);
|
||
|
||
old_name = g_strdup (old_client->id);
|
||
if (old_owner->flags & DBUS_NAME_FLAG_DO_NOT_QUEUE)
|
||
{
|
||
name_unref (name);
|
||
name_owner_free (old_owner);
|
||
}
|
||
else
|
||
name->queue = g_list_prepend (name->queue, old_owner);
|
||
}
|
||
|
||
name->owner = owner;
|
||
if (owner)
|
||
{
|
||
name_unqueue_owner (name, owner->client);
|
||
name_ref (name);
|
||
new_name = new_client->id;
|
||
|
||
g_dbus_connection_emit_signal (new_client->connection,
|
||
NULL, "/org/freedesktop/DBus",
|
||
"org.freedesktop.DBus", "NameAcquired",
|
||
g_variant_new ("(s)",
|
||
name->name), NULL);
|
||
}
|
||
|
||
send_name_owner_changed (daemon, name->name, old_name, new_name);
|
||
|
||
g_free (old_name);
|
||
|
||
name_unref (name);
|
||
}
|
||
|
||
static void
|
||
name_release_owner (Name *name)
|
||
{
|
||
NameOwner *next_owner = NULL;
|
||
|
||
name_ref (name);
|
||
|
||
/* Will someone else take over? */
|
||
if (name->queue)
|
||
{
|
||
next_owner = name->queue->data;
|
||
name_unref (name);
|
||
name->queue = g_list_delete_link (name->queue, name->queue);
|
||
}
|
||
|
||
name->owner->flags |= DBUS_NAME_FLAG_DO_NOT_QUEUE;
|
||
name_replace_owner (name, next_owner);
|
||
|
||
name_unref (name);
|
||
}
|
||
|
||
static void
|
||
name_queue_owner (Name *name, NameOwner *owner)
|
||
{
|
||
GList *l;
|
||
|
||
for (l = name->queue; l != NULL; l = l->next)
|
||
{
|
||
NameOwner *other = l->data;
|
||
|
||
if (other->client == owner->client)
|
||
{
|
||
other->flags = owner->flags;
|
||
name_owner_free (owner);
|
||
return;
|
||
}
|
||
}
|
||
|
||
name->queue = g_list_append (name->queue, owner);
|
||
name_ref (name);
|
||
}
|
||
|
||
static Client *
|
||
client_new (GDBusDaemon *daemon, GDBusConnection *connection)
|
||
{
|
||
Client *client;
|
||
GError *error = NULL;
|
||
|
||
client = g_new0 (Client, 1);
|
||
client->daemon = daemon;
|
||
client->id = g_strdup_printf (":%d.%d", daemon->next_major_id, daemon->next_minor_id);
|
||
client->connection = g_object_ref (connection);
|
||
|
||
if (daemon->next_minor_id == G_MAXUINT32)
|
||
{
|
||
daemon->next_minor_id = 0;
|
||
daemon->next_major_id++;
|
||
}
|
||
else
|
||
daemon->next_minor_id++;
|
||
|
||
g_object_set_data (G_OBJECT (connection), "client", client);
|
||
g_hash_table_insert (daemon->clients, client->id, client);
|
||
|
||
g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (daemon), connection,
|
||
"/org/freedesktop/DBus", &error);
|
||
g_assert_no_error (error);
|
||
|
||
g_signal_connect (connection, "closed", G_CALLBACK (connection_closed), client);
|
||
g_dbus_connection_add_filter (connection,
|
||
filter_function,
|
||
client, NULL);
|
||
|
||
send_name_owner_changed (daemon, client->id, NULL, client->id);
|
||
|
||
return client;
|
||
}
|
||
|
||
static void
|
||
client_free (Client *client)
|
||
{
|
||
GDBusDaemon *daemon = client->daemon;
|
||
GList *l, *names;
|
||
|
||
g_dbus_interface_skeleton_unexport_from_connection (G_DBUS_INTERFACE_SKELETON (daemon),
|
||
client->connection);
|
||
|
||
g_hash_table_remove (daemon->clients, client->id);
|
||
|
||
names = g_hash_table_get_values (daemon->names);
|
||
for (l = names; l != NULL; l = l->next)
|
||
{
|
||
Name *name = l->data;
|
||
|
||
name_ref (name);
|
||
|
||
if (name->owner && name->owner->client == client)
|
||
name_release_owner (name);
|
||
|
||
name_unqueue_owner (name, client);
|
||
|
||
name_unref (name);
|
||
}
|
||
g_list_free (names);
|
||
|
||
send_name_owner_changed (daemon, client->id, client->id, NULL);
|
||
|
||
g_object_unref (client->connection);
|
||
|
||
for (l = client->matches; l != NULL; l = l->next)
|
||
match_free (l->data);
|
||
g_list_free (client->matches);
|
||
|
||
g_free (client->id);
|
||
g_free (client);
|
||
}
|
||
|
||
static gboolean
|
||
idle_timeout_cb (gpointer user_data)
|
||
{
|
||
GDBusDaemon *daemon = user_data;
|
||
|
||
daemon->timeout = 0;
|
||
|
||
g_signal_emit (daemon,
|
||
g_dbus_daemon_signals[SIGNAL_IDLE_TIMEOUT],
|
||
0);
|
||
|
||
return G_SOURCE_REMOVE;
|
||
}
|
||
|
||
static void
|
||
connection_closed (GDBusConnection *connection,
|
||
gboolean remote_peer_vanished,
|
||
GError *error,
|
||
Client *client)
|
||
{
|
||
GDBusDaemon *daemon = client->daemon;
|
||
|
||
client_free (client);
|
||
|
||
if (g_hash_table_size (daemon->clients) == 0)
|
||
daemon->timeout = g_timeout_add (IDLE_TIMEOUT_MSEC,
|
||
idle_timeout_cb,
|
||
daemon);
|
||
}
|
||
|
||
static gboolean
|
||
handle_add_match (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_rule)
|
||
{
|
||
Client *client = g_object_get_data (G_OBJECT (g_dbus_method_invocation_get_connection (invocation)), "client");
|
||
Match *match;
|
||
|
||
match = match_new (arg_rule);
|
||
|
||
if (match == NULL)
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_MATCH_RULE_INVALID,
|
||
"Invalid rule: %s", arg_rule);
|
||
else
|
||
{
|
||
client->matches = g_list_prepend (client->matches, match);
|
||
_g_freedesktop_dbus_complete_add_match (object, invocation);
|
||
}
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_get_connection_selinux_security_context (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name)
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_SELINUX_SECURITY_CONTEXT_UNKNOWN,
|
||
"selinux context not supported");
|
||
_g_freedesktop_dbus_complete_get_connection_selinux_security_context (object, invocation, "");
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_get_connection_unix_process_id (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name)
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN,
|
||
"connection pid not supported");
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_get_connection_unix_user (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name)
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN,
|
||
"connection user not supported");
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_get_id (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
_g_freedesktop_dbus_complete_get_id (object, invocation,
|
||
daemon->guid);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_get_name_owner (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
Name *name;
|
||
|
||
if (strcmp (arg_name, DBUS_SERVICE_NAME) == 0)
|
||
{
|
||
_g_freedesktop_dbus_complete_get_name_owner (object, invocation, DBUS_SERVICE_NAME);
|
||
return TRUE;
|
||
}
|
||
|
||
if (arg_name[0] == ':')
|
||
{
|
||
if (g_hash_table_lookup (daemon->clients, arg_name) == NULL)
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_NAME_HAS_NO_OWNER,
|
||
"Could not get owner of name '%s': no such name", arg_name);
|
||
else
|
||
_g_freedesktop_dbus_complete_get_name_owner (object, invocation, arg_name);
|
||
return TRUE;
|
||
}
|
||
|
||
name = name_lookup (daemon, arg_name);
|
||
if (name == NULL || name->owner == NULL)
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_NAME_HAS_NO_OWNER,
|
||
"Could not get owner of name '%s': no such name", arg_name);
|
||
return TRUE;
|
||
}
|
||
|
||
_g_freedesktop_dbus_complete_get_name_owner (object, invocation, name->owner->client->id);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_hello (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation)
|
||
{
|
||
Client *client = g_object_get_data (G_OBJECT (g_dbus_method_invocation_get_connection (invocation)), "client");
|
||
_g_freedesktop_dbus_complete_hello (object, invocation, client->id);
|
||
|
||
g_dbus_connection_emit_signal (client->connection,
|
||
NULL, "/org/freedesktop/DBus",
|
||
"org.freedesktop.DBus", "NameAcquired",
|
||
g_variant_new ("(s)",
|
||
client->id), NULL);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_list_activatable_names (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation)
|
||
{
|
||
const char *names[] = { NULL };
|
||
|
||
_g_freedesktop_dbus_complete_list_activatable_names (object,
|
||
invocation,
|
||
names);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_list_names (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
GPtrArray *array;
|
||
GList *clients, *names, *l;
|
||
|
||
array = g_ptr_array_new ();
|
||
|
||
clients = g_hash_table_get_values (daemon->clients);
|
||
for (l = clients; l != NULL; l = l->next)
|
||
{
|
||
Client *client = l->data;
|
||
|
||
g_ptr_array_add (array, client->id);
|
||
}
|
||
|
||
g_list_free (clients);
|
||
|
||
names = g_hash_table_get_values (daemon->names);
|
||
for (l = names; l != NULL; l = l->next)
|
||
{
|
||
Name *name = l->data;
|
||
|
||
g_ptr_array_add (array, name->name);
|
||
}
|
||
|
||
g_list_free (names);
|
||
|
||
g_ptr_array_add (array, NULL);
|
||
|
||
_g_freedesktop_dbus_complete_list_names (object,
|
||
invocation,
|
||
(const gchar * const*)array->pdata);
|
||
g_ptr_array_free (array, TRUE);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_list_queued_owners (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
GPtrArray *array;
|
||
Name *name;
|
||
GList *l;
|
||
|
||
array = g_ptr_array_new ();
|
||
|
||
name = name_lookup (daemon, arg_name);
|
||
if (name && name->owner)
|
||
{
|
||
for (l = name->queue; l != NULL; l = l->next)
|
||
{
|
||
Client *client = l->data;
|
||
|
||
g_ptr_array_add (array, client->id);
|
||
}
|
||
}
|
||
|
||
g_ptr_array_add (array, NULL);
|
||
|
||
_g_freedesktop_dbus_complete_list_queued_owners (object,
|
||
invocation,
|
||
(const gchar * const*)array->pdata);
|
||
g_ptr_array_free (array, TRUE);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_name_has_owner (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
Name *name;
|
||
Client *client;
|
||
|
||
name = name_lookup (daemon, arg_name);
|
||
client = g_hash_table_lookup (daemon->clients, arg_name);
|
||
|
||
_g_freedesktop_dbus_complete_name_has_owner (object, invocation,
|
||
name != NULL || client != NULL);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_release_name (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name)
|
||
{
|
||
Client *client = g_object_get_data (G_OBJECT (g_dbus_method_invocation_get_connection (invocation)), "client");
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
Name *name;
|
||
guint32 result;
|
||
|
||
if (!g_dbus_is_name (arg_name))
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
|
||
"Given bus name \"%s\" is not valid", arg_name);
|
||
return TRUE;
|
||
}
|
||
|
||
if (*arg_name == ':')
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
|
||
"Cannot release a service starting with ':' such as \"%s\"", arg_name);
|
||
return TRUE;
|
||
}
|
||
|
||
if (strcmp (arg_name, DBUS_SERVICE_NAME) == 0)
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
|
||
"Cannot release a service named " DBUS_SERVICE_NAME ", because that is owned by the bus");
|
||
return TRUE;
|
||
}
|
||
|
||
name = name_lookup (daemon, arg_name);
|
||
|
||
if (name == NULL)
|
||
result = DBUS_RELEASE_NAME_REPLY_NON_EXISTENT;
|
||
else if (name->owner && name->owner->client == client)
|
||
{
|
||
name_release_owner (name);
|
||
result = DBUS_RELEASE_NAME_REPLY_RELEASED;
|
||
}
|
||
else if (name_unqueue_owner (name, client))
|
||
result = DBUS_RELEASE_NAME_REPLY_RELEASED;
|
||
else
|
||
result = DBUS_RELEASE_NAME_REPLY_NOT_OWNER;
|
||
|
||
_g_freedesktop_dbus_complete_release_name (object, invocation, result);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_reload_config (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation)
|
||
{
|
||
_g_freedesktop_dbus_complete_reload_config (object, invocation);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_update_activation_environment (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
GVariant *arg_environment)
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_FAILED,
|
||
"UpdateActivationEnvironment not implemented");
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_remove_match (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_rule)
|
||
{
|
||
Client *client = g_object_get_data (G_OBJECT (g_dbus_method_invocation_get_connection (invocation)), "client");
|
||
Match *match, *other_match;
|
||
GList *l;
|
||
|
||
match = match_new (arg_rule);
|
||
|
||
if (match == NULL)
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_MATCH_RULE_INVALID,
|
||
"Invalid rule: %s", arg_rule);
|
||
else
|
||
{
|
||
for (l = client->matches; l != NULL; l = l->next)
|
||
{
|
||
other_match = l->data;
|
||
if (match_equal (match, other_match))
|
||
{
|
||
match_free (other_match);
|
||
client->matches = g_list_delete_link (client->matches, l);
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (l == NULL)
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_MATCH_RULE_NOT_FOUND,
|
||
"The given match rule wasn't found and can't be removed");
|
||
else
|
||
_g_freedesktop_dbus_complete_remove_match (object, invocation);
|
||
}
|
||
if (match)
|
||
match_free (match);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_request_name (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name,
|
||
guint flags)
|
||
{
|
||
Client *client = g_object_get_data (G_OBJECT (g_dbus_method_invocation_get_connection (invocation)), "client");
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
Name *name;
|
||
NameOwner *owner;
|
||
guint32 result;
|
||
|
||
if (!g_dbus_is_name (arg_name))
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
|
||
"Requested bus name \"%s\" is not valid", arg_name);
|
||
return TRUE;
|
||
}
|
||
|
||
if (*arg_name == ':')
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
|
||
"Cannot acquire a service starting with ':' such as \"%s\"", arg_name);
|
||
return TRUE;
|
||
}
|
||
|
||
if (strcmp (arg_name, DBUS_SERVICE_NAME) == 0)
|
||
{
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
|
||
"Cannot acquire a service named " DBUS_SERVICE_NAME ", because that is reserved");
|
||
return TRUE;
|
||
}
|
||
|
||
name = name_ensure (daemon, arg_name);
|
||
if (name->owner == NULL)
|
||
{
|
||
owner = name_owner_new (client, flags);
|
||
name_replace_owner (name, owner);
|
||
|
||
result = DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER;
|
||
}
|
||
else if (name->owner && name->owner->client == client)
|
||
{
|
||
name->owner->flags = flags;
|
||
result = DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER;
|
||
}
|
||
else if ((flags & DBUS_NAME_FLAG_DO_NOT_QUEUE) &&
|
||
(!(flags & DBUS_NAME_FLAG_REPLACE_EXISTING) ||
|
||
!(name->owner->flags & DBUS_NAME_FLAG_ALLOW_REPLACEMENT)))
|
||
{
|
||
/* Unqueue if queued */
|
||
name_unqueue_owner (name, client);
|
||
result = DBUS_REQUEST_NAME_REPLY_EXISTS;
|
||
}
|
||
else if (!(flags & DBUS_NAME_FLAG_DO_NOT_QUEUE) &&
|
||
(!(flags & DBUS_NAME_FLAG_REPLACE_EXISTING) ||
|
||
!(name->owner->flags & DBUS_NAME_FLAG_ALLOW_REPLACEMENT)))
|
||
{
|
||
/* Queue the connection */
|
||
owner = name_owner_new (client, flags);
|
||
name_queue_owner (name, owner);
|
||
result = DBUS_REQUEST_NAME_REPLY_IN_QUEUE;
|
||
}
|
||
else
|
||
{
|
||
/* Replace the current owner */
|
||
|
||
owner = name_owner_new (client, flags);
|
||
name_replace_owner (name, owner);
|
||
|
||
result = DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER;
|
||
}
|
||
|
||
name_unref (name);
|
||
|
||
_g_freedesktop_dbus_complete_request_name (object, invocation, result);
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
handle_start_service_by_name (_GFreedesktopDBus *object,
|
||
GDBusMethodInvocation *invocation,
|
||
const gchar *arg_name,
|
||
guint arg_flags)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
Name *name;
|
||
|
||
name = name_lookup (daemon, arg_name);
|
||
if (name)
|
||
_g_freedesktop_dbus_complete_start_service_by_name (object, invocation,
|
||
DBUS_START_REPLY_ALREADY_RUNNING);
|
||
else
|
||
g_dbus_method_invocation_return_error (invocation,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_SERVICE_UNKNOWN,
|
||
"No support for activation for name: %s", arg_name);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
G_GNUC_PRINTF(5, 6)
|
||
static void
|
||
return_error (Client *client, GDBusMessage *message,
|
||
GQuark domain,
|
||
gint code,
|
||
const gchar *format,
|
||
...)
|
||
{
|
||
GDBusMessage *reply;
|
||
va_list var_args;
|
||
char *error_message;
|
||
GError *error;
|
||
gchar *dbus_error_name;
|
||
|
||
va_start (var_args, format);
|
||
error_message = g_strdup_vprintf (format, var_args);
|
||
va_end (var_args);
|
||
|
||
error = g_error_new_literal (domain, code, "");
|
||
dbus_error_name = g_dbus_error_encode_gerror (error);
|
||
|
||
reply = g_dbus_message_new_method_error_literal (message,
|
||
dbus_error_name,
|
||
error_message);
|
||
|
||
g_error_free (error);
|
||
g_free (dbus_error_name);
|
||
g_free (error_message);
|
||
|
||
if (!g_dbus_connection_send_message (client->connection, reply, G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, NULL))
|
||
g_warning ("Error sending reply");
|
||
g_object_unref (reply);
|
||
}
|
||
|
||
static GDBusMessage *
|
||
route_message (Client *source_client, GDBusMessage *message)
|
||
{
|
||
const char *dest;
|
||
Client *dest_client;
|
||
GDBusDaemon *daemon;
|
||
|
||
daemon = source_client->daemon;
|
||
|
||
dest_client = NULL;
|
||
dest = g_dbus_message_get_destination (message);
|
||
if (dest != NULL && strcmp (dest, DBUS_SERVICE_NAME) != 0)
|
||
{
|
||
dest_client = g_hash_table_lookup (daemon->clients, dest);
|
||
|
||
if (dest_client == NULL)
|
||
{
|
||
Name *name;
|
||
name = name_lookup (daemon, dest);
|
||
if (name && name->owner)
|
||
dest_client = name->owner->client;
|
||
}
|
||
|
||
if (dest_client == NULL)
|
||
{
|
||
if (g_dbus_message_get_message_type (message) == G_DBUS_MESSAGE_TYPE_METHOD_CALL)
|
||
return_error (source_client, message,
|
||
G_DBUS_ERROR, G_DBUS_ERROR_SERVICE_UNKNOWN,
|
||
"The name %s is unknown", dest);
|
||
}
|
||
else
|
||
{
|
||
GError *error = NULL;
|
||
|
||
if (!g_dbus_connection_send_message (dest_client->connection, message, G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL, NULL, &error))
|
||
{
|
||
g_warning ("Error forwarding message: %s", error->message);
|
||
g_error_free (error);
|
||
}
|
||
}
|
||
}
|
||
|
||
broadcast_message (daemon, message, dest_client != NULL, TRUE, dest_client);
|
||
|
||
/* Swallow messages not for the bus */
|
||
if (dest == NULL || strcmp (dest, DBUS_SERVICE_NAME) != 0)
|
||
{
|
||
g_object_unref (message);
|
||
message = NULL;
|
||
}
|
||
|
||
return message;
|
||
}
|
||
|
||
static GDBusMessage *
|
||
copy_if_locked (GDBusMessage *message)
|
||
{
|
||
if (g_dbus_message_get_locked (message))
|
||
{
|
||
GDBusMessage *copy = g_dbus_message_copy (message, NULL);
|
||
g_object_unref (message);
|
||
message = copy;
|
||
}
|
||
return message;
|
||
}
|
||
|
||
static GDBusMessage *
|
||
filter_function (GDBusConnection *connection,
|
||
GDBusMessage *message,
|
||
gboolean incoming,
|
||
gpointer user_data)
|
||
{
|
||
Client *client = user_data;
|
||
|
||
if (0)
|
||
{
|
||
const char *types[] = {"invalid", "method_call", "method_return", "error", "signal" };
|
||
g_printerr ("%s%s %s %d(%d) sender: %s destination: %s %s %s.%s\n",
|
||
client->id,
|
||
incoming? "->" : "<-",
|
||
types[g_dbus_message_get_message_type (message)],
|
||
g_dbus_message_get_serial (message),
|
||
g_dbus_message_get_reply_serial (message),
|
||
g_dbus_message_get_sender (message),
|
||
g_dbus_message_get_destination (message),
|
||
g_dbus_message_get_path (message),
|
||
g_dbus_message_get_interface (message),
|
||
g_dbus_message_get_member (message));
|
||
}
|
||
|
||
if (incoming)
|
||
{
|
||
/* Ensure its not locked so we can set the sender */
|
||
message = copy_if_locked (message);
|
||
if (message == NULL)
|
||
{
|
||
g_warning ("Failed to copy incoming message");
|
||
return NULL;
|
||
}
|
||
g_dbus_message_set_sender (message, client->id);
|
||
|
||
return route_message (client, message);
|
||
}
|
||
else
|
||
{
|
||
if (g_dbus_message_get_sender (message) == NULL ||
|
||
g_dbus_message_get_destination (message) == NULL)
|
||
{
|
||
message = copy_if_locked (message);
|
||
if (message == NULL)
|
||
{
|
||
g_warning ("Failed to copy outgoing message");
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
if (g_dbus_message_get_sender (message) == NULL)
|
||
g_dbus_message_set_sender (message, DBUS_SERVICE_NAME);
|
||
if (g_dbus_message_get_destination (message) == NULL)
|
||
g_dbus_message_set_destination (message, client->id);
|
||
}
|
||
|
||
return message;
|
||
}
|
||
|
||
static gboolean
|
||
on_new_connection (GDBusServer *server,
|
||
GDBusConnection *connection,
|
||
gpointer user_data)
|
||
{
|
||
GDBusDaemon *daemon = user_data;
|
||
|
||
g_dbus_connection_set_exit_on_close (connection, FALSE);
|
||
|
||
if (daemon->timeout)
|
||
{
|
||
g_source_remove (daemon->timeout);
|
||
daemon->timeout = 0;
|
||
}
|
||
|
||
client_new (daemon, connection);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
g_dbus_daemon_finalize (GObject *object)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
GList *clients, *l;
|
||
|
||
if (daemon->timeout)
|
||
g_source_remove (daemon->timeout);
|
||
|
||
clients = g_hash_table_get_values (daemon->clients);
|
||
for (l = clients; l != NULL; l = l->next)
|
||
client_free (l->data);
|
||
g_list_free (clients);
|
||
|
||
g_assert (g_hash_table_size (daemon->clients) == 0);
|
||
g_assert (g_hash_table_size (daemon->names) == 0);
|
||
|
||
g_hash_table_destroy (daemon->clients);
|
||
g_hash_table_destroy (daemon->names);
|
||
|
||
g_object_unref (daemon->server);
|
||
|
||
if (daemon->tmpdir)
|
||
{
|
||
g_rmdir (daemon->tmpdir);
|
||
g_free (daemon->tmpdir);
|
||
}
|
||
|
||
g_free (daemon->guid);
|
||
g_free (daemon->address);
|
||
|
||
G_OBJECT_CLASS (g_dbus_daemon_parent_class)->finalize (object);
|
||
}
|
||
|
||
static void
|
||
g_dbus_daemon_init (GDBusDaemon *daemon)
|
||
{
|
||
daemon->next_major_id = 1;
|
||
daemon->clients = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
|
||
daemon->names = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
|
||
daemon->guid = g_dbus_generate_guid ();
|
||
}
|
||
|
||
static gboolean
|
||
initable_init (GInitable *initable,
|
||
GCancellable *cancellable,
|
||
GError **error)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (initable);
|
||
GDBusServerFlags flags;
|
||
|
||
flags = G_DBUS_SERVER_FLAGS_NONE;
|
||
if (daemon->address == NULL)
|
||
{
|
||
#ifdef G_OS_UNIX
|
||
if (g_unix_socket_address_abstract_names_supported ())
|
||
daemon->address = g_strdup ("unix:tmpdir=/tmp/gdbus-daemon");
|
||
else
|
||
{
|
||
daemon->tmpdir = g_dir_make_tmp ("gdbus-daemon-XXXXXX", NULL);
|
||
daemon->address = g_strdup_printf ("unix:tmpdir=%s", daemon->tmpdir);
|
||
}
|
||
flags |= G_DBUS_SERVER_FLAGS_AUTHENTICATION_REQUIRE_SAME_USER;
|
||
#else
|
||
/* Don’t require authentication on Windows as that hasn’t been
|
||
* implemented yet. */
|
||
daemon->address = g_strdup ("nonce-tcp:");
|
||
flags |= G_DBUS_SERVER_FLAGS_AUTHENTICATION_ALLOW_ANONYMOUS;
|
||
#endif
|
||
}
|
||
|
||
daemon->server = g_dbus_server_new_sync (daemon->address,
|
||
flags,
|
||
daemon->guid,
|
||
NULL,
|
||
cancellable,
|
||
error);
|
||
if (daemon->server == NULL)
|
||
return FALSE;
|
||
|
||
|
||
g_dbus_server_start (daemon->server);
|
||
|
||
g_signal_connect (daemon->server, "new-connection",
|
||
G_CALLBACK (on_new_connection),
|
||
daemon);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
g_dbus_daemon_set_property (GObject *object,
|
||
guint prop_id,
|
||
const GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
|
||
switch (prop_id)
|
||
{
|
||
case PROP_ADDRESS:
|
||
g_free (daemon->address);
|
||
daemon->address = g_value_dup_string (value);
|
||
break;
|
||
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
}
|
||
}
|
||
|
||
static void
|
||
g_dbus_daemon_get_property (GObject *object,
|
||
guint prop_id,
|
||
GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GDBusDaemon *daemon = G_DBUS_DAEMON (object);
|
||
|
||
switch (prop_id)
|
||
{
|
||
case PROP_ADDRESS:
|
||
g_value_set_string (value, daemon->address);
|
||
break;
|
||
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
}
|
||
}
|
||
|
||
static void
|
||
g_dbus_daemon_class_init (GDBusDaemonClass *klass)
|
||
{
|
||
GObjectClass *gobject_class;
|
||
|
||
gobject_class = G_OBJECT_CLASS (klass);
|
||
gobject_class->finalize = g_dbus_daemon_finalize;
|
||
gobject_class->set_property = g_dbus_daemon_set_property;
|
||
gobject_class->get_property = g_dbus_daemon_get_property;
|
||
|
||
g_dbus_daemon_signals[SIGNAL_IDLE_TIMEOUT] =
|
||
g_signal_new (I_("idle-timeout"),
|
||
G_TYPE_DBUS_DAEMON,
|
||
G_SIGNAL_RUN_LAST,
|
||
0,
|
||
NULL, NULL,
|
||
NULL,
|
||
G_TYPE_NONE, 0);
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_ADDRESS,
|
||
g_param_spec_string ("address",
|
||
"Bus Address",
|
||
"The address the bus should use",
|
||
NULL,
|
||
G_PARAM_READWRITE |
|
||
G_PARAM_CONSTRUCT_ONLY |
|
||
G_PARAM_STATIC_STRINGS));
|
||
}
|
||
|
||
static void
|
||
g_dbus_daemon_iface_init (_GFreedesktopDBusIface *iface)
|
||
{
|
||
iface->handle_add_match = handle_add_match;
|
||
iface->handle_get_connection_selinux_security_context = handle_get_connection_selinux_security_context;
|
||
iface->handle_get_connection_unix_process_id = handle_get_connection_unix_process_id;
|
||
iface->handle_get_connection_unix_user = handle_get_connection_unix_user;
|
||
iface->handle_get_id = handle_get_id;
|
||
iface->handle_get_name_owner = handle_get_name_owner;
|
||
iface->handle_hello = handle_hello;
|
||
iface->handle_list_activatable_names = handle_list_activatable_names;
|
||
iface->handle_list_names = handle_list_names;
|
||
iface->handle_list_queued_owners = handle_list_queued_owners;
|
||
iface->handle_name_has_owner = handle_name_has_owner;
|
||
iface->handle_release_name = handle_release_name;
|
||
iface->handle_reload_config = handle_reload_config;
|
||
iface->handle_update_activation_environment = handle_update_activation_environment;
|
||
iface->handle_remove_match = handle_remove_match;
|
||
iface->handle_request_name = handle_request_name;
|
||
iface->handle_start_service_by_name = handle_start_service_by_name;
|
||
}
|
||
|
||
static void
|
||
initable_iface_init (GInitableIface *initable_iface)
|
||
{
|
||
initable_iface->init = initable_init;
|
||
}
|
||
|
||
GDBusDaemon *
|
||
_g_dbus_daemon_new (const char *address,
|
||
GCancellable *cancellable,
|
||
GError **error)
|
||
{
|
||
return g_initable_new (G_TYPE_DBUS_DAEMON,
|
||
cancellable,
|
||
error,
|
||
"address", address,
|
||
NULL);
|
||
}
|
||
|
||
const char *
|
||
_g_dbus_daemon_get_address (GDBusDaemon *daemon)
|
||
{
|
||
return g_dbus_server_get_client_address (daemon->server);
|
||
}
|