From 851c7fac433e4c5a5ac04398c89480f4500c30a9 Mon Sep 17 00:00:00 2001 From: Milan Crha Date: Mon, 2 Jun 2008 04:24:36 +0000 Subject: Committing on behalf of Milan Crha 2008-05-29 Milan Crha ** Fix for bug #535459 svn path=/trunk/; revision=35566 --- calendar/gui/e-itip-control.c | 8 +++++++- calendar/gui/itip-utils.c | 23 +++++++++++++++++++++++ calendar/gui/itip-utils.h | 2 ++ 3 files changed, 32 insertions(+), 1 deletion(-) (limited to 'calendar/gui') diff --git a/calendar/gui/e-itip-control.c b/calendar/gui/e-itip-control.c index 81a2458106..f574d86b06 100644 --- a/calendar/gui/e-itip-control.c +++ b/calendar/gui/e-itip-control.c @@ -1676,8 +1676,14 @@ e_itip_control_set_data (EItipControl *itip, const gchar *text) priv->top_level = e_cal_util_new_top_level (); priv->main_comp = icalparser_parse_string (priv->vcalendar); - if (priv->main_comp == NULL) { + if (priv->main_comp == NULL || !is_icalcomp_valid (priv->main_comp)) { write_error_html (itip, _("The attachment does not contain a valid calendar message")); + + if (priv->main_comp) { + icalcomponent_free (priv->main_comp); + priv->main_comp = NULL; + } + return; } diff --git a/calendar/gui/itip-utils.c b/calendar/gui/itip-utils.c index e529042051..cddb3d9b4f 100644 --- a/calendar/gui/itip-utils.c +++ b/calendar/gui/itip-utils.c @@ -1666,3 +1666,26 @@ itip_publish_comp (ECal *client, gchar *uri, gchar *username, return TRUE; } +static gboolean +check_time (const struct icaltimetype tmval, gboolean can_null_time) +{ + if (icaltime_is_null_time (tmval)) + return can_null_time; + + return icaltime_is_valid_time (tmval) && + tmval.month >= 1 && tmval.month <= 12 && + tmval.day >= 1 && tmval.day <= 31 && + tmval.hour >= 0 && tmval.hour < 24 && + tmval.minute >= 0 && tmval.minute < 60 && + tmval.second >= 0 && tmval.second < 60; +} + +/* returns whether the passed-in icalcomponent is valid or not. It does some sanity checks on values too. */ +gboolean +is_icalcomp_valid (icalcomponent *icalcomp) +{ + return icalcomp && + icalcomponent_is_valid (icalcomp) && + check_time (icalcomponent_get_dtstart (icalcomp), FALSE) && + check_time (icalcomponent_get_dtend (icalcomp), TRUE); +} diff --git a/calendar/gui/itip-utils.h b/calendar/gui/itip-utils.h index e7014c9f47..1e8ebc2849 100644 --- a/calendar/gui/itip-utils.h +++ b/calendar/gui/itip-utils.h @@ -51,4 +51,6 @@ gboolean itip_publish_begin (ECalComponent *pub_comp, ECal *client, gboolean reply_to_calendar_comp (ECalComponentItipMethod method, ECalComponent *send_comp, ECal *client, gboolean reply_all, icalcomponent *zones, GSList *attachments_list); +gboolean is_icalcomp_valid (icalcomponent *icalcomp); + #endif -- cgit v1.2.3