pidgin/pidgin

closing merged branch
port-changes-from-branch-2.x.y-to-default
14 months ago, Gary Kramlich
2f836435c33c
closing merged branch
/*
* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
*/
#include <glib.h>
#include "../xmlnode.h"
/*
* If we really wanted to test the billion laughs attack we would
* need to have more than just 4 ha's. But as long as this shorter
* document fails to parse, the longer one should also fail to parse.
*/
static void
test_xmlnode_billion_laughs_attack(void) {
const char *malicious_xml_doc = "<!DOCTYPE root [ <!ENTITY ha \"Ha !\"><!ENTITY ha2 \"&ha; &ha;\"><!ENTITY ha3 \"&ha2; &ha2;\"> ]><root>&ha3;</root>";
/* Uncomment this line if you want to see the error message given by
the parser for the above XML document */
/* purple_debug_set_enabled(TRUE); */
g_assert_null(purple_xmlnode_from_str(malicious_xml_doc, -1));
}
#define check_doc_structure(x) { \
PurpleXmlNode *ping, *child1, *child2; \
g_assert_nonnull(x); \
ping = purple_xmlnode_get_child(x, "ping"); \
g_assert_nonnull(ping); \
child1 = purple_xmlnode_get_child(ping, "child1"); \
g_assert_nonnull(child1); \
child2 = purple_xmlnode_get_child(child1, "child2"); \
g_assert_nonnull(child2); \
purple_xmlnode_new_child(child2, "a"); \
\
g_assert_cmpstr("jabber:client", ==, purple_xmlnode_get_namespace(x)); \
/* NOTE: purple_xmlnode_get_namespace() returns the namespace of the element, not the
* current default namespace. See http://www.w3.org/TR/xml-names/#defaulting and
* http://www.w3.org/TR/xml-names/#dt-defaultNS.
*/ \
g_assert_cmpstr("urn:xmpp:ping", ==, purple_xmlnode_get_namespace(ping)); \
g_assert_cmpstr("jabber:client", ==, purple_xmlnode_get_namespace(child1)); \
g_assert_cmpstr("urn:xmpp:ping", ==, purple_xmlnode_get_namespace(child2)); \
/*
* This fails (well, actually crashes [the ns is NULL]) unless
* purple_xmlnode_new_child() actually sets the element namespace.
g_assert_cmpstr("jabber:client", ==, purple_xmlnode_get_namespace(purple_xmlnode_get_child(child2, "a")));
*/ \
\
g_assert_cmpstr("jabber:client", ==, purple_xmlnode_get_default_namespace(x)); \
g_assert_cmpstr("jabber:client", ==, purple_xmlnode_get_default_namespace(ping)); \
g_assert_cmpstr("jabber:client", ==, purple_xmlnode_get_default_namespace(child1)); \
g_assert_cmpstr("jabber:client", ==, purple_xmlnode_get_default_namespace(child2)); \
}
static void
test_xmlnode_prefixes(void) {
const char *xml_doc =
"<iq type='get' xmlns='jabber:client' xmlns:ping='urn:xmpp:ping'>"
"<ping:ping>"
"<child1>"
"<ping:child2></ping:child2>" /* xmlns='jabber:child' */
"</child1>"
"</ping:ping>"
"</iq>";
char *str;
PurpleXmlNode *xml, *reparsed;
xml = purple_xmlnode_from_str(xml_doc, -1);
check_doc_structure(xml);
/* Check that purple_xmlnode_from_str(purple_xmlnode_to_str(xml, NULL), -1) is idempotent. */
str = purple_xmlnode_to_str(xml, NULL);
g_assert_nonnull(str);
reparsed = purple_xmlnode_from_str(str, -1);
g_assert_nonnull(reparsed);
check_doc_structure(reparsed);
g_free(str);
purple_xmlnode_free(xml);
purple_xmlnode_free(reparsed);
}
static void
test_strip_prefixes(void) {
const char *xml_doc = "<message xmlns='jabber:client' from='user@gmail.com/resource' to='another_user@darkrain42.org' type='chat' id='purple'>"
"<cha:active xmlns:cha='http://jabber.org/protocol/chatstates'/>"
"<body>xvlc xvlc</body>"
"<im:html xmlns:im='http://jabber.org/protocol/xhtml-im'>"
"<xht:body xmlns:xht='http://www.w3.org/1999/xhtml'>"
"<xht:p>xvlc <xht:span style='font-weight: bold;'>xvlc</xht:span></xht:p>"
"</xht:body>"
"</im:html>"
"</message>";
const char *out = "<message xmlns='jabber:client' from='user@gmail.com/resource' to='another_user@darkrain42.org' type='chat' id='purple'>"
"<active xmlns:cha='http://jabber.org/protocol/chatstates' xmlns='http://jabber.org/protocol/chatstates'/>"
"<body>xvlc xvlc</body>"
"<html xmlns:im='http://jabber.org/protocol/xhtml-im' xmlns='http://jabber.org/protocol/xhtml-im'>"
"<body xmlns:xht='http://www.w3.org/1999/xhtml' xmlns='http://www.w3.org/1999/xhtml'>"
"<p>xvlc <span style='font-weight: bold;'>xvlc</span></p>"
"</body>"
"</html>"
"</message>";
char *str;
PurpleXmlNode *xml;
xml = purple_xmlnode_from_str(xml_doc, -1);
g_assert_nonnull(xml);
purple_xmlnode_strip_prefixes(xml);
str = purple_xmlnode_to_str(xml, NULL);
g_assert_cmpstr(out, ==, str);
g_free(str);
purple_xmlnode_free(xml);
}
gint
main(gint argc, gchar **argv) {
g_test_init(&argc, &argv, NULL);
g_test_add_func("/xmlnode/billion_laughs_attack",
test_xmlnode_billion_laughs_attack);
g_test_add_func("/xmlnode/prefixes",
test_xmlnode_prefixes);
g_test_add_func("/xmlnode/strip_prefixes",
test_strip_prefixes);
return g_test_run();
}