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authorChristian Persch <chpe@cvs.gnome.org>2004-03-07 03:10:32 +0800
committerChristian Persch <chpe@src.gnome.org>2004-03-07 03:10:32 +0800
commit8d8966d04d082c1204de2ad1457e5fb3499f24da (patch)
tree83436713f021766ee42dbfc7d8b9d83c93b40e7a
parent84ecea1dfe100ec37b35f15beb3ce1783886967e (diff)
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Really always check the return value of xmlTextReaderRead(), don't advance
2004-03-06 Christian Persch <chpe@cvs.gnome.org> * src/bookmarks/ephy-bookmarks-import.c: (xbel_parse_bookmark), (xbel_parse_folder), (xbel_parse_xbel), (ephy_bookmarks_import_xbel): Really always check the return value of xmlTextReaderRead(), don't advance if it's != 1. Fixes bug #136151.
-rw-r--r--ChangeLog9
-rw-r--r--src/bookmarks/ephy-bookmarks-import.c83
2 files changed, 60 insertions, 32 deletions
diff --git a/ChangeLog b/ChangeLog
index e4988894a..9f17b7d7d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
2004-03-06 Christian Persch <chpe@cvs.gnome.org>
+ * src/bookmarks/ephy-bookmarks-import.c: (xbel_parse_bookmark),
+ (xbel_parse_folder), (xbel_parse_xbel),
+ (ephy_bookmarks_import_xbel):
+
+ Really always check the return value of xmlTextReaderRead(), don't advance
+ if it's != 1. Fixes bug #136151.
+
+2004-03-06 Christian Persch <chpe@cvs.gnome.org>
+
* src/ephy-notebook.c: (notebook_drag_data_received_cb):
Fix crash when dragging a link to a tab label; I forgot to change
diff --git a/src/bookmarks/ephy-bookmarks-import.c b/src/bookmarks/ephy-bookmarks-import.c
index 05b8784bd..2e033b064 100644
--- a/src/bookmarks/ephy-bookmarks-import.c
+++ b/src/bookmarks/ephy-bookmarks-import.c
@@ -134,8 +134,8 @@ typedef enum
STATE_SMARTURL
} EphyXBELImporterState;
-static EphyNode *
-xbel_parse_bookmark (EphyBookmarks *eb, xmlTextReaderPtr reader)
+static int
+xbel_parse_bookmark (EphyBookmarks *eb, xmlTextReaderPtr reader, EphyNode **ret_node)
{
EphyXBELImporterState state = STATE_BOOKMARK;
EphyNode *node;
@@ -145,11 +145,11 @@ xbel_parse_bookmark (EphyBookmarks *eb, xmlTextReaderPtr reader)
while (ret == 1)
{
- xmlChar *tag;
+ const xmlChar *tag;
xmlReaderTypes type;
- tag = xmlTextReaderName (reader);
- g_return_val_if_fail (tag != NULL, NULL);
+ tag = xmlTextReaderConstName (reader);
+ g_return_val_if_fail (tag != NULL, ret);
type = xmlTextReaderNodeType (reader);
@@ -238,13 +238,14 @@ xbel_parse_bookmark (EphyBookmarks *eb, xmlTextReaderPtr reader)
}
}
- xmlFree (tag);
-
/* next one, please */
ret = xmlTextReaderRead (reader);
}
- g_return_val_if_fail (address != NULL, NULL);
+ if (address == NULL)
+ {
+ return ret;
+ }
if (title == NULL)
{
@@ -261,11 +262,13 @@ xbel_parse_bookmark (EphyBookmarks *eb, xmlTextReaderPtr reader)
xmlFree (title);
xmlFree (address);
- return node;
+ *ret_node = node;
+
+ return ret;
}
-static GList *
-xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader)
+static int
+xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader, GList **ret_list)
{
EphyXBELImporterState state = STATE_FOLDER;
EphyNode *keyword;
@@ -277,10 +280,10 @@ xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader)
while (ret == 1)
{
- xmlChar *tag;
+ const xmlChar *tag;
xmlReaderTypes type;
- tag = xmlTextReaderName (reader);
+ tag = xmlTextReaderConstName (reader);
type = xmlTextReaderNodeType (reader);
if (tag == NULL)
@@ -300,25 +303,29 @@ xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader)
}
else if (xmlStrEqual (tag, "bookmark") && type == 1 && state == STATE_FOLDER)
{
- EphyNode *node;
+ EphyNode *node = NULL;
- node = xbel_parse_bookmark (eb, reader);
+ ret = xbel_parse_bookmark (eb, reader, &node);
if (EPHY_IS_NODE (node))
{
list = g_list_prepend (list, node);
}
+
+ if (ret != 1) break;
}
else if ((xmlStrEqual (tag, "folder"))
&& state == STATE_FOLDER)
{
if (type == XML_READER_TYPE_ELEMENT)
{
- GList *sublist;
+ GList *sublist = NULL;
- sublist = xbel_parse_folder (eb, reader);
+ ret = xbel_parse_folder (eb, reader, &sublist);
list = g_list_concat (list, sublist);
+
+ if (ret != 1) break;
}
else if (type == XML_READER_TYPE_END_ELEMENT)
{
@@ -365,8 +372,6 @@ xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader)
/* eat it */
}
- xmlFree (tag);
-
/* next one, please */
ret = xmlTextReaderRead (reader);
}
@@ -374,7 +379,8 @@ xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader)
/* tag all bookmarks in the list with keyword %title */
if (title == NULL || title[0] == '\0')
{
- return list;
+ *ret_list = list;
+ return ret;
}
keyword = ephy_bookmarks_find_keyword (eb, title, FALSE);
@@ -386,7 +392,11 @@ xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader)
xmlFree (title);
- if (keyword == NULL) return list;
+ if (keyword == NULL)
+ {
+ *ret_list = list;
+ return ret;
+ }
for (l = list; l != NULL; l = l->next)
{
@@ -395,10 +405,12 @@ xbel_parse_folder (EphyBookmarks *eb, xmlTextReaderPtr reader)
ephy_bookmarks_set_keyword (eb, keyword, node);
}
- return list;
+ *ret_list = list;
+
+ return ret;
}
-static void
+static int
xbel_parse_xbel (EphyBookmarks *eb, xmlTextReaderPtr reader)
{
EphyXBELImporterState state = STATE_XBEL;
@@ -408,10 +420,10 @@ xbel_parse_xbel (EphyBookmarks *eb, xmlTextReaderPtr reader)
while (ret == 1 && state != STATE_STOP)
{
- xmlChar *tag;
+ const xmlChar *tag;
xmlReaderTypes type;
- tag = xmlTextReaderName (reader);
+ tag = xmlTextReaderConstName (reader);
type = xmlTextReaderNodeType (reader);
if (tag == NULL)
@@ -421,18 +433,24 @@ xbel_parse_xbel (EphyBookmarks *eb, xmlTextReaderPtr reader)
else if (xmlStrEqual (tag, "bookmark") && type == XML_READER_TYPE_ELEMENT
&& state == STATE_FOLDER)
{
+ EphyNode *node = NULL;
+
/* this will eat the </bookmark> too */
- xbel_parse_bookmark (eb, reader);
+ ret = xbel_parse_bookmark (eb, reader, &node);
+
+ if (ret != 1) break;
}
else if (xmlStrEqual (tag, "folder") && type == XML_READER_TYPE_ELEMENT
&& state == STATE_XBEL)
{
- GList *list;
+ GList *list = NULL;
/* this will eat the </folder> too */
- list = xbel_parse_folder (eb, reader);
+ ret = xbel_parse_folder (eb, reader, &list);
g_list_free (list);
+
+ if (ret != 1) break;
}
else if ((xmlStrEqual (tag, "xbel")) && type == XML_READER_TYPE_ELEMENT
&& state == STATE_START)
@@ -478,11 +496,11 @@ xbel_parse_xbel (EphyBookmarks *eb, xmlTextReaderPtr reader)
}
}
- xmlFree (tag);
-
/* next one, please */
ret = xmlTextReaderRead (reader);
}
+
+ return ret;
}
/* Mozilla/Netscape import */
@@ -749,6 +767,7 @@ ephy_bookmarks_import_xbel (EphyBookmarks *bookmarks,
const char *filename)
{
xmlTextReaderPtr reader;
+ int ret;
if (eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_BOOKMARK_EDITING)) return FALSE;
@@ -763,11 +782,11 @@ ephy_bookmarks_import_xbel (EphyBookmarks *bookmarks,
return FALSE;
}
- xbel_parse_xbel (bookmarks, reader);
+ ret = xbel_parse_xbel (bookmarks, reader);
xmlFreeTextReader (reader);
- return TRUE;
+ return ret >= 0 ? TRUE : FALSE;
}
#define OLD_RDF_TEMPORARY_HACK