From: David Woodhouse <dwmw2@infradead.org>
Date: Tue, 20 Jul 2010 12:49:45 +0000 (+0100)
Subject: Don't crash on invalid XML
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=551d7df902b9ade5a765f8a16faddda739970723;p=users%2Fdwmw2%2Fews-sync.git

Don't crash on invalid XML
---

diff --git a/ews2ical.c b/ews2ical.c
index 532fdc9..047e0b1 100644
--- a/ews2ical.c
+++ b/ews2ical.c
@@ -58,6 +58,10 @@ int main(int argc, char **argv)
 		return -1;
 	}
 	xml_node = xmlDocGetRootElement(xml_doc);
+	if (!xml_node) {
+		fprintf(stderr, "Failed to parse XML\n");
+		return -1;
+	}
 	if (xml_node->type != XML_ELEMENT_NODE ||
 	    strcmp((char *)xml_node->name, "Envelope")) {
 		fprintf(stderr, "Root node not as expected: %s\n", xml_node->name);