[evolution] Bug #606340 - Crash on non-utf8 letter in mail folder name

[Milan Crha <mcrha src gnome org>]

commit abaecf816e8b9f2c0afc754223c75e8634702b4c
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jan 8 16:29:42 2010 +0100

    Bug #606340 - Crash on non-utf8 letter in mail folder name

 e-util/e-unicode.c                 |   26 ++++++++++++++++++++
 e-util/e-unicode.h                 |    1 +
 plugins/itip-formatter/itip-view.c |   46 +++++++++++-------------------------
 shell/e-shell-sidebar.c            |    5 ++-
 4 files changed, 44 insertions(+), 34 deletions(-)
---
diff --git a/e-util/e-unicode.c b/e-util/e-unicode.c
index 88f6d06..2e8969f 100644
--- a/e-util/e-unicode.c
+++ b/e-util/e-unicode.c
@@ -211,6 +211,32 @@ e_utf8_from_locale_string_sized (const gchar *string, gint bytes)
 }
 
 /**
+ * e_utf8_ensure_valid:
+ * @string String to make valid UTF-8.
+ *
+ * Ensures the returned string will be valid UTF-8 string, thus gtk functions expecting
+ * only valid UTF-8 texts will not crash.
+ *
+ * Returned pointer should be freed with g_free.
+ **/
+gchar *
+e_utf8_ensure_valid (const gchar *string)
+{
+	gchar *res = g_strdup (string), *p;
+
+	if (!res)
+		return res;
+
+	p = res;
+	while (!g_utf8_validate (p, -1, (const gchar **) &p)) {
+		/* make all invalid characters appear as question marks */
+		*p = '?';
+	}
+
+	return res;
+}
+
+/**
  * e_unichar_to_utf8:
  * @c: a ISO10646 character code
  * @outbuf: output buffer, must have at least 6 bytes of space.
diff --git a/e-util/e-unicode.h b/e-util/e-unicode.h
index b22c5c9..2979510 100644
--- a/e-util/e-unicode.h
+++ b/e-util/e-unicode.h
@@ -47,6 +47,7 @@ gchar       *e_utf8_to_charset_string_sized                 (const gchar   *char
 							     gint           bytes);
 gchar       *e_utf8_from_locale_string_sized                (const gchar   *string,
 							     gint           bytes);
+gchar       *e_utf8_ensure_valid			    (const gchar   *string);
 /*
  * These are simple wrappers that save us some typing
  */
diff --git a/plugins/itip-formatter/itip-view.c b/plugins/itip-formatter/itip-view.c
index 6fd70cb..9b240f4 100644
--- a/plugins/itip-formatter/itip-view.c
+++ b/plugins/itip-formatter/itip-view.c
@@ -41,6 +41,7 @@
 #include <mail/em-format-html.h>
 #include <libedataserver/e-account-list.h>
 #include <e-util/e-util.h>
+#include <e-util/e-unicode.h>
 #include <calendar/gui/itip-utils.h>
 #include "itip-view.h"
 
@@ -1246,25 +1247,6 @@ itip_view_get_item_type (ItipView *view)
 	return priv->type;
 }
 
-/* ensures the returned text will be valid UTF-8 text, thus gtk functions expecting
-   only valid UTF-8 texts will not crash. Returned pointer should be freed with g_free. */
-static gchar *
-ensure_utf8 (const gchar *text)
-{
-	gchar *res = g_strdup (text), *p;
-
-	if (!text)
-		return res;
-
-	p = res;
-	while (!g_utf8_validate (p, -1, (const gchar **) &p)) {
-		/* make all invalid characters appear as question marks */
-		*p = '?';
-	}
-
-	return res;
-}
-
 void
 itip_view_set_organizer (ItipView *view, const gchar *organizer)
 {
@@ -1278,7 +1260,7 @@ itip_view_set_organizer (ItipView *view, const gchar *organizer)
 	if (priv->organizer)
 		g_free (priv->organizer);
 
-	priv->organizer = ensure_utf8 (organizer);
+	priv->organizer = e_utf8_ensure_valid (organizer);
 
 	set_sender_text (view);
 }
@@ -1309,7 +1291,7 @@ itip_view_set_organizer_sentby (ItipView *view, const gchar *sentby)
 	if (priv->organizer_sentby)
 		g_free (priv->organizer_sentby);
 
-	priv->organizer_sentby = ensure_utf8 (sentby);
+	priv->organizer_sentby = e_utf8_ensure_valid (sentby);
 
 	set_sender_text (view);
 }
@@ -1340,7 +1322,7 @@ itip_view_set_attendee (ItipView *view, const gchar *attendee)
 	if (priv->attendee)
 		g_free (priv->attendee);
 
-	priv->attendee = ensure_utf8 (attendee);
+	priv->attendee = e_utf8_ensure_valid (attendee);
 
 	set_sender_text (view);
 }
@@ -1371,7 +1353,7 @@ itip_view_set_attendee_sentby (ItipView *view, const gchar *sentby)
 	if (priv->attendee_sentby)
 		g_free (priv->attendee_sentby);
 
-	priv->attendee_sentby = ensure_utf8 (sentby);
+	priv->attendee_sentby = e_utf8_ensure_valid (sentby);
 
 	set_sender_text (view);
 }
@@ -1402,7 +1384,7 @@ itip_view_set_proxy (ItipView *view, const gchar *proxy)
 	if (priv->proxy)
 		g_free (priv->proxy);
 
-	priv->proxy = ensure_utf8 (proxy);
+	priv->proxy = e_utf8_ensure_valid (proxy);
 
 	set_sender_text (view);
 }
@@ -1433,7 +1415,7 @@ itip_view_set_delegator (ItipView *view, const gchar *delegator)
 	if (priv->delegator)
 		g_free (priv->delegator);
 
-	priv->delegator = ensure_utf8 (delegator);
+	priv->delegator = e_utf8_ensure_valid (delegator);
 
 	set_sender_text (view);
 }
@@ -1464,7 +1446,7 @@ itip_view_set_summary (ItipView *view, const gchar *summary)
 	if (priv->summary)
 		g_free (priv->summary);
 
-	priv->summary = summary ? g_strstrip (ensure_utf8 (summary)) : NULL;
+	priv->summary = summary ? g_strstrip (e_utf8_ensure_valid (summary)) : NULL;
 
 	set_summary_text (view);
 }
@@ -1495,7 +1477,7 @@ itip_view_set_location (ItipView *view, const gchar *location)
 	if (priv->location)
 		g_free (priv->location);
 
-	priv->location = location ? g_strstrip (ensure_utf8 (location)) : NULL;
+	priv->location = location ? g_strstrip (e_utf8_ensure_valid (location)) : NULL;
 
 	set_location_text (view);
 }
@@ -1526,7 +1508,7 @@ itip_view_set_status (ItipView *view, const gchar *status)
 	if (priv->status)
 		g_free (priv->status);
 
-	priv->status = status ? g_strstrip (ensure_utf8 (status)) : NULL;
+	priv->status = status ? g_strstrip (e_utf8_ensure_valid (status)) : NULL;
 
 	set_status_text (view);
 }
@@ -1557,7 +1539,7 @@ itip_view_set_comment (ItipView *view, const gchar *comment)
 	if (priv->comment)
 		g_free (priv->comment);
 
-	priv->comment = comment ? g_strstrip (ensure_utf8 (comment)) : NULL;
+	priv->comment = comment ? g_strstrip (e_utf8_ensure_valid (comment)) : NULL;
 
 	set_comment_text (view);
 }
@@ -1588,7 +1570,7 @@ itip_view_set_description (ItipView *view, const gchar *description)
 	if (priv->description)
 		g_free (priv->description);
 
-	priv->description = description ? g_strstrip (ensure_utf8 (description)) : NULL;
+	priv->description = description ? g_strstrip (e_utf8_ensure_valid (description)) : NULL;
 
 	set_description_text (view);
 }
@@ -1702,7 +1684,7 @@ itip_view_add_upper_info_item (ItipView *view, ItipViewInfoItemType type, const
 	item = g_new0 (ItipViewInfoItem, 1);
 
 	item->type = type;
-	item->message = ensure_utf8 (message);
+	item->message = e_utf8_ensure_valid (message);
 	item->id = priv->next_info_item_id++;
 
 	priv->upper_info_items = g_slist_append (priv->upper_info_items, item);
@@ -1797,7 +1779,7 @@ itip_view_add_lower_info_item (ItipView *view, ItipViewInfoItemType type, const
 	item = g_new0 (ItipViewInfoItem, 1);
 
 	item->type = type;
-	item->message = ensure_utf8 (message);
+	item->message = e_utf8_ensure_valid (message);
 	item->id = priv->next_info_item_id++;
 
 	priv->lower_info_items = g_slist_append (priv->lower_info_items, item);
diff --git a/shell/e-shell-sidebar.c b/shell/e-shell-sidebar.c
index 517999b..5701321 100644
--- a/shell/e-shell-sidebar.c
+++ b/shell/e-shell-sidebar.c
@@ -22,6 +22,7 @@
 #include "e-shell-sidebar.h"
 
 #include <e-util/e-binding.h>
+#include <e-util/e-unicode.h>
 #include <shell/e-shell-view.h>
 
 #define E_SHELL_SIDEBAR_GET_PRIVATE(obj) \
@@ -604,7 +605,7 @@ e_shell_sidebar_set_primary_text (EShellSidebar *shell_sidebar,
 	g_return_if_fail (E_IS_SHELL_SIDEBAR (shell_sidebar));
 
 	g_free (shell_sidebar->priv->primary_text);
-	shell_sidebar->priv->primary_text = g_strdup (primary_text);
+	shell_sidebar->priv->primary_text = e_utf8_ensure_valid (primary_text);
 
 	gtk_widget_queue_resize (GTK_WIDGET (shell_sidebar));
 	g_object_notify (G_OBJECT (shell_sidebar), "primary-text");
@@ -650,7 +651,7 @@ e_shell_sidebar_set_secondary_text (EShellSidebar *shell_sidebar,
 	g_return_if_fail (E_IS_SHELL_SIDEBAR (shell_sidebar));
 
 	g_free (shell_sidebar->priv->secondary_text);
-	shell_sidebar->priv->secondary_text = g_strdup (secondary_text);
+	shell_sidebar->priv->secondary_text = e_utf8_ensure_valid (secondary_text);
 
 	gtk_widget_queue_resize (GTK_WIDGET (shell_sidebar));
 	g_object_notify (G_OBJECT (shell_sidebar), "secondary-text");