[evolution-data-server] Bug #605682 - Do not scan url in invalid UTF8 strings

[Milan Crha <mcrha src gnome org>]

commit 084b44b19ba5a1759c6b8cad9386590292ebf083
Author: Milan Crha <mcrha redhat com>
Date:   Tue Jan 5 11:51:26 2010 +0100

    Bug #605682 - Do not scan url in invalid UTF8 strings

 camel/camel-url-scanner.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/camel/camel-url-scanner.c b/camel/camel-url-scanner.c
index 62ba1e8..d509095 100644
--- a/camel/camel-url-scanner.c
+++ b/camel/camel-url-scanner.c
@@ -82,6 +82,10 @@ camel_url_scanner_scan (CamelUrlScanner *scanner, const gchar *in, gsize inlen,
 	inptr = (const guchar *) in;
 	inend = inptr + inlen;
 
+	/* check validity of a string first */
+	if (!g_utf8_validate (in, inlen, NULL))
+		return FALSE;
+
 	do {
 		if (!(pos = camel_trie_search (scanner->trie, (const gchar *)inptr, inlen, &pattern)))
 			return FALSE;