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authorChristian Persch <chpe@src.gnome.org>2008-03-13 22:09:36 +0800
committerChristian Persch <chpe@src.gnome.org>2008-03-13 22:09:36 +0800
commitde1fa499ba85d8f8d0e108eb1596f7ae646048ff (patch)
tree73abab72f41aa680adcb6448a1cd9275e6fca484 /src/bookmarks
parentfdffd322181be333e39c2a039e37295587cf3284 (diff)
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Fix multiple crashers in the zeroconf bookmarks. Bug #516008; partially based on a patch by Cosimo Cecchi.
svn path=/trunk/; revision=8102
Diffstat (limited to 'src/bookmarks')
-rw-r--r--src/bookmarks/ephy-bookmarks.c330
1 files changed, 151 insertions, 179 deletions
diff --git a/src/bookmarks/ephy-bookmarks.c b/src/bookmarks/ephy-bookmarks.c
index fef159d0a..52db4c516 100644
--- a/src/bookmarks/ephy-bookmarks.c
+++ b/src/bookmarks/ephy-bookmarks.c
@@ -136,39 +136,10 @@ static void ephy_bookmarks_init (EphyBookmarks *tab);
static void ephy_bookmarks_finalize (GObject *object);
static char *impl_resolve_address (EphyBookmarks*, const char*, const char*);
-static GObjectClass *parent_class = NULL;
-
-GType
-ephy_bookmarks_get_type (void)
-{
- static GType type = 0;
-
- if (G_UNLIKELY (type == 0))
- {
- const GTypeInfo our_info =
- {
- sizeof (EphyBookmarksClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) ephy_bookmarks_class_init,
- NULL,
- NULL, /* class_data */
- sizeof (EphyBookmarks),
- 0, /* n_preallocs */
- (GInstanceInitFunc) ephy_bookmarks_init
- };
- volatile GType flags_type; /* work around gcc's optimiser */
-
- /* make sure the flags type is known */
- flags_type = EPHY_TYPE_BOOKMARK_PROPERTY;
-
- type = g_type_register_static (G_TYPE_OBJECT,
- "EphyBookmarks",
- &our_info, 0);
- }
-
- return type;
-}
+G_DEFINE_TYPE_WITH_CODE (EphyBookmarks, ephy_bookmarks, G_TYPE_OBJECT,
+ volatile GType flags_type; /* work around gcc's optimiser */
+ /* make sure the flags type is known */
+ flags_type = EPHY_TYPE_BOOKMARK_PROPERTY;)
static void
ephy_bookmarks_init_defaults (EphyBookmarks *eb)
@@ -194,8 +165,6 @@ ephy_bookmarks_class_init (EphyBookmarksClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
- parent_class = g_type_class_peek_parent (klass);
-
object_class->finalize = ephy_bookmarks_finalize;
klass->resolve_address = impl_resolve_address;
@@ -799,7 +768,10 @@ decode_txt_record (AvahiStringList *input_text)
char *key_dup, *value_dup;
char *raw_txt;
size_t raw_txt_len;
-
+
+ if (!input_text)
+ return NULL;
+
raw_txt_len = avahi_string_list_serialize (input_text, NULL, 0);
raw_txt = g_malloc (raw_txt_len);
raw_txt_len = avahi_string_list_serialize (input_text, raw_txt, raw_txt_len);
@@ -868,41 +840,14 @@ get_id_for_response (const char *type,
name);
}
-static EphyNode *
-get_node_for_id (EphyBookmarks *bookmarks,
- char *node_id)
-{
- EphyBookmarksPrivate *priv = bookmarks->priv;
- EphyNode *kid, *node = NULL;
- GPtrArray *children;
- const char *id;
- guint i;
-
- children = ephy_node_get_children (priv->local);
- for (i = 0; i < children->len; i++)
- {
- kid = g_ptr_array_index (children, i);
-
- id = ephy_node_get_property_string (kid,
- EPHY_NODE_BMK_PROP_SERVICE_ID);
-
- if (g_str_equal (id, node_id))
- {
- node = kid;
- break;
- }
- }
-
- g_free (node_id);
-
- return node;
-}
-
typedef struct
{
EphyBookmarks *bookmarks;
+ GaServiceResolver *resolver;
EphyNode *node;
- guint new_node : 1;
+ char *name;
+ char *type;
+ char *domain;
} ResolveData;
static void
@@ -921,20 +866,20 @@ resolver_found_cb (GaServiceResolver *resolver,
{
EphyBookmarks *bookmarks = data->bookmarks;
EphyBookmarksPrivate *priv = bookmarks->priv;
- EphyNode *node = data->node;
GValue value = { 0, };
const char *path = NULL;
char host[128];
GHashTable *text_table;
char *url;
gboolean was_immutable;
+ gboolean is_new_node = FALSE;
guint i;
+ LOG ("resolver_found_cb resolver %p\n", resolver);
+
was_immutable = ephy_node_db_is_immutable (priv->db);
ephy_node_db_set_immutable (priv->db, FALSE);
- g_hash_table_steal (priv->resolve_handles, node);
-
/* Find the protocol */
for (i = 0; i < G_N_ELEMENTS (zeroconf_protos); ++i)
{
@@ -945,6 +890,12 @@ resolver_found_cb (GaServiceResolver *resolver,
}
if (i == G_N_ELEMENTS (zeroconf_protos)) return;
+ if (address == NULL)
+ {
+ g_warning ("Zeroconf failed to resolve host %s", name);
+ return;
+ }
+
text_table = decode_txt_record (txt);
if (text_table != NULL)
@@ -956,32 +907,60 @@ resolver_found_cb (GaServiceResolver *resolver,
path = "/";
}
- if (address == NULL)
- {
- g_warning ("Zeroconf failed to resolve host %s", name);
- return;
- }
avahi_address_snprint (host, sizeof (host), address);
LOG ("0conf RESOLVED type=%s domain=%s name=%s => proto=%s host=%s port=%d path=%s\n",
type, domain, name,
zeroconf_protos[i], host, port, path);
+ was_immutable = ephy_node_db_is_immutable (priv->db);
+ ephy_node_db_set_immutable (priv->db, FALSE);
+
+ if (data->node == NULL)
+ {
+ is_new_node = TRUE;
+
+ data->node = ephy_node_new (priv->db);
+ g_assert (data->node != NULL);
+
+ /* don't allow dragging this node */
+ ephy_node_set_is_drag_source (data->node, FALSE);
+
+ g_value_init (&value, G_TYPE_STRING);
+ g_value_take_string (&value,
+ get_id_for_response (data->type,
+ data->domain,
+ data->name));
+ ephy_node_set_property (data->node, EPHY_NODE_BMK_PROP_SERVICE_ID, &value);
+ g_value_unset (&value);
+
+ /* FIXME: limit length! */
+ ephy_node_set_property_string (data->node,
+ EPHY_NODE_BMK_PROP_TITLE,
+ name);
+
+ ephy_node_set_property_boolean (data->node,
+ EPHY_NODE_BMK_PROP_IMMUTABLE,
+ TRUE);
+ }
+
/* FIXME: limit length! */
url = g_strdup_printf ("%s://%s:%d%s", zeroconf_protos[i], host, port, path);
g_value_init (&value, G_TYPE_STRING);
g_value_take_string (&value, url);
- ephy_node_set_property (node, EPHY_NODE_BMK_PROP_LOCATION, &value);
+ ephy_node_set_property (data->node, EPHY_NODE_BMK_PROP_LOCATION, &value);
g_value_unset (&value);
- if (data->new_node)
+ if (is_new_node)
{
- ephy_node_add_child (priv->bookmarks, node);
- ephy_node_add_child (priv->local, node);
+ ephy_node_add_child (priv->bookmarks, data->node);
+ ephy_node_add_child (priv->local, data->node);
}
ephy_node_db_set_immutable (priv->db, was_immutable);
+
+ g_hash_table_unref (text_table);
}
static void
@@ -989,53 +968,33 @@ resolver_failure_cb (GaServiceResolver *resolver,
GError *error,
ResolveData *data)
{
- EphyBookmarks *bookmarks = data->bookmarks;
- EphyBookmarksPrivate *priv = bookmarks->priv;
- EphyNode *node = data->node;
- gboolean was_immutable;
-
- was_immutable = ephy_node_db_is_immutable (priv->db);
- ephy_node_db_set_immutable (priv->db, FALSE);
+ LOG ("resolver_failure_cb resolver %p: %s\n", resolver, error?error->message:"(null)");
- g_hash_table_steal (priv->resolve_handles, node);
-
- /* Error, don't add the service */
- ephy_node_unref (node);
- ephy_node_db_set_immutable (priv->db, was_immutable);
-
- return;
-}
+ /* Remove the node, if present */
+ if (data->node != NULL)
+ {
+ EphyBookmarks *bookmarks = data->bookmarks;
+ EphyBookmarksPrivate *priv = bookmarks->priv;
+ gboolean was_immutable;
-static void
-free_resolve_cb_data (gpointer data)
-{
- g_slice_free (ResolveData, data);
+ was_immutable = ephy_node_db_is_immutable (priv->db);
+ ephy_node_db_set_immutable (priv->db, FALSE);
+ ephy_node_unref (data->node);
+ data->node = NULL;
+ ephy_node_db_set_immutable (priv->db, was_immutable);
+ }
}
static void
-browser_removed_service_cb (GaServiceBrowser *browser,
- int interface,
- GaProtocol protocol,
- const char *name,
- const char *type,
- const char *domain,
- glong flags,
- EphyBookmarks *bookmarks)
+resolve_data_free (ResolveData* data)
{
- EphyBookmarksPrivate *priv = bookmarks->priv;
- EphyNode *node;
- char *node_id;
-
- node_id = get_id_for_response (type, domain, name);
- node = get_node_for_id (bookmarks, node_id);
+ if (data->resolver)
+ g_object_unref (data->resolver);
- if (node != NULL)
- {
- g_hash_table_remove (priv->resolve_handles, node);
- ephy_node_unref (node);
- }
-
- return;
+ g_free (data->type);
+ g_free (data->name);
+ g_free (data->domain);
+ g_slice_free (ResolveData, data);
}
static void
@@ -1049,81 +1008,88 @@ browser_new_service_cb (GaServiceBrowser *browser,
EphyBookmarks *bookmarks)
{
EphyBookmarksPrivate *priv = bookmarks->priv;
- EphyNode *node;
- GValue value = { 0, };
- gboolean new_node = FALSE;
- GaServiceResolver *resolver = NULL;
ResolveData *data;
char *node_id;
+ GError *error = NULL;
node_id = get_id_for_response (type, domain, name);
- node = get_node_for_id (bookmarks, node_id);
LOG ("0conf ADD: type=%s domain=%s name=%s\n",
type, domain, name);
- if (node != NULL &&
- g_hash_table_lookup (priv->resolve_handles, node) != NULL) return;
-
- if (node == NULL)
+ if (g_hash_table_lookup (priv->resolve_handles, node_id) != NULL)
{
- gboolean was_immutable;
-
- was_immutable = ephy_node_db_is_immutable (priv->db);
- ephy_node_db_set_immutable (priv->db, FALSE);
-
- node = ephy_node_new (priv->db);
- g_assert (node != NULL);
-
- new_node = TRUE;
-
- /* don't allow dragging this node */
- ephy_node_set_is_drag_source (node, FALSE);
-
- g_value_init (&value, G_TYPE_STRING);
- g_value_take_string (&value, get_id_for_response (type, domain, name));
- ephy_node_set_property (node, EPHY_NODE_BMK_PROP_SERVICE_ID, &value);
- g_value_unset (&value);
-
- /* FIXME: limit length! */
- ephy_node_set_property_string (node,
- EPHY_NODE_BMK_PROP_TITLE,
- name);
-
- ephy_node_set_property_boolean (node,
- EPHY_NODE_BMK_PROP_IMMUTABLE,
- TRUE);
-
- ephy_node_db_set_immutable (priv->db, was_immutable);
+ g_free (node_id);
+ return;
}
data = g_slice_new0 (ResolveData);
data->bookmarks = bookmarks;
- data->node = node;
- data->new_node = new_node;
+ data->node = NULL;
+ data->type = g_strdup (type);
+ data->name = g_strdup (name);
+ data->domain = g_strdup (domain);
- resolver = ga_service_resolver_new (AVAHI_IF_UNSPEC,
- AVAHI_PROTO_UNSPEC,
- name, type, domain,
- AVAHI_PROTO_UNSPEC,
- GA_LOOKUP_USE_MULTICAST);
- g_signal_connect_data (resolver, "found",
- G_CALLBACK (resolver_found_cb), data,
- (GClosureNotify) free_resolve_cb_data, 0);
- g_signal_connect_data (resolver, "failure",
- G_CALLBACK (resolver_failure_cb), data,
- (GClosureNotify) free_resolve_cb_data, 0);
- if (!ga_service_resolver_attach (resolver,
+ data->resolver = ga_service_resolver_new (AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ name, type, domain,
+ AVAHI_PROTO_UNSPEC,
+ GA_LOOKUP_USE_MULTICAST);
+ g_signal_connect (data->resolver, "found",
+ G_CALLBACK (resolver_found_cb), data);
+ g_signal_connect (data->resolver, "failure",
+ G_CALLBACK (resolver_failure_cb), data);
+ if (!ga_service_resolver_attach (data->resolver,
priv->ga_client,
- NULL))
+ &error))
{
- g_warning ("Unable to resolve Zeroconf service %s", name);
- ephy_node_unref (node);
- free_resolve_cb_data (data);
+ g_warning ("Unable to resolve Zeroconf service %s: %s", name, error ? error->message : "(null)");
+ g_clear_error (&error);
+ resolve_data_free (data);
+ g_free (node_id);
return;
}
+
g_hash_table_insert (priv->resolve_handles,
- node, resolver);
+ node_id /* transfer ownership */, data);
+}
+
+static void
+browser_removed_service_cb (GaServiceBrowser *browser,
+ int interface,
+ GaProtocol protocol,
+ const char *name,
+ const char *type,
+ const char *domain,
+ glong flags,
+ EphyBookmarks *bookmarks)
+{
+ EphyBookmarksPrivate *priv = bookmarks->priv;
+ char *node_id;
+ ResolveData *data;
+
+ node_id = get_id_for_response (type, domain, name);
+ data = g_hash_table_lookup (priv->resolve_handles, node_id);
+ /* shouldn't really happen, but let's play safe */
+ if (!data)
+ {
+ g_free (node_id);
+ return;
+ }
+
+ if (data->node != NULL)
+ {
+ gboolean was_immutable;
+
+ was_immutable = ephy_node_db_is_immutable (priv->db);
+ ephy_node_db_set_immutable (priv->db, FALSE);
+ ephy_node_unref (data->node);
+ data->node = NULL;
+ ephy_node_db_set_immutable (priv->db, was_immutable);
+ }
+
+ g_hash_table_remove (priv->resolve_handles, node_id);
+ g_free (node_id);
}
static void
@@ -1150,9 +1116,10 @@ start_browsing (GaClient *ga_client,
NULL))
{
g_warning ("Unable to start Zeroconf subsystem");
+ g_object_unref (browser);
return;
}
-
+
priv->browse_handles[i] = browser;
}
}
@@ -1166,6 +1133,7 @@ ga_client_state_changed_cb (GaClient *ga_client,
{
if (avahi_client_errno (ga_client->avahi_client) == AVAHI_ERR_DISCONNECTED)
{
+ /* FIXMEchpe: is this correct */
/* Destroy and reconnect */
avahi_client_free (ga_client->avahi_client);
ga_client->avahi_client = NULL;
@@ -1197,7 +1165,9 @@ ephy_local_bookmarks_init (EphyBookmarks *bookmarks)
return;
}
priv->ga_client = ga_client;
- priv->resolve_handles = g_hash_table_new (g_direct_hash, g_direct_equal);
+ priv->resolve_handles = g_hash_table_new_full (g_str_hash, g_str_equal,
+ g_free,
+ (GDestroyNotify) resolve_data_free);
}
static void
@@ -1210,6 +1180,7 @@ ephy_local_bookmarks_stop (EphyBookmarks *bookmarks)
{
if (priv->browse_handles[i] != NULL)
{
+ g_object_unref (priv->browse_handles[i]);
priv->browse_handles[i] = NULL;
}
}
@@ -1222,7 +1193,8 @@ ephy_local_bookmarks_stop (EphyBookmarks *bookmarks)
if (priv->local != NULL)
{
- ephy_node_remove_child (priv->keywords, priv->local);
+ ephy_node_unref (priv->local);
+ priv->local = NULL;
}
if (priv->ga_client != NULL)
@@ -1431,7 +1403,7 @@ ephy_bookmarks_finalize (GObject *object)
LOG ("Bookmarks finalized");
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ G_OBJECT_CLASS (ephy_bookmarks_parent_class)->finalize (object);
}
EphyBookmarks *