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cproof/tests/functionaltests/test_message.c
jabber.developer2 250703a0bf
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security: harden untrusted-input handling (issue #148)
T02: guard the receive-path handlers that dereferenced jid_create()
without a NULL check — MUC join errors, subscribed/unsubscribed
presence and, with silence.non-roster enabled, every incoming message.
A stanza with a missing or malformed 'from' crashed the client
(REQ-INP-01)

T11: restrict /url open and /url save to http, https and aesgcm, so a
received file:, javascript: or data: URL is refused (REQ-INP-06); spawn
terminal-notifier through g_spawn_async with an argv instead of
building a shell command for system() (REQ-INP-07); apply the XEP-0359
disco gate to MAM result ids, as live stanza-ids already do
(REQ-INP-05); replace control and bidi-reordering characters in
incoming message bodies with U+FFFD before they reach the terminal, the
logs and the database, keeping LRM/RLM for legitimate RTL text
(REQ-INP-08); cover JID part-length boundaries and invalid UTF-8
(REQ-INP-02)

T10: replace strcpy/strcat/alloca and sprintf with g_strdup_printf and
g_snprintf (REQ-MEM-03); allocate the OMEMO key buffers with g_malloc
so a failed allocation cannot reach the following memcpy (REQ-MEM-04);
remove the variable-length arrays and enforce -Werror=vla. Two of them
were sized from remote input: the disco#info feature count and a chat
message word length. The flag also caught a one-past-the-end write and
a leak in the plugin autocompleter bindings (REQ-MEM-09)
2026-08-01 13:39:19 +03:00

152 lines
5.0 KiB
C

#include <glib.h>
#include "prof_cmocka.h"
#include <stdlib.h>
#include <string.h>
#include <stabber.h>
#include "proftest.h"
void
message_send(void **state)
{
prof_connect();
prof_input("/msg somejid@someserver.com Hi there");
assert_true(stbbr_received(
"<message id='*' to='somejid@someserver.com' type='chat'>"
"<body>Hi there</body>"
"</message>"
));
assert_true(prof_output_regex("me: .+Hi there"));
}
// TODO: `/message correct` XEP-0308 compliance (whether each correction links to the original message ID)
// https://xmpp.org/extensions/xep-0308.html#rules
void
message_receive_console(void **state)
{
prof_connect();
stbbr_send(
"<message id='message1' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
"<body>How are you?</body>"
"</message>"
);
assert_true(prof_output_exact("<< chat message: someuser@chatserv.org/laptop (win 2)"));
}
void
message_receive_chatwin(void **state)
{
prof_connect();
prof_input("/msg someuser@chatserv.org");
assert_true(prof_output_exact("someuser@chatserv.org"));
stbbr_send(
"<message id='message1' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
"<body>How are you?</body>"
"</message>"
);
assert_true(prof_output_regex("someuser@chatserv.org/laptop: .+How are you?"));
}
// XEP-0359 disco gate: server announces urn:xmpp:sid:0 -> stanza-id trusted -> replay flagged as duplicate.
void
stanza_id_dedup_fires_when_server_announces_sid0(void **state)
{
stbbr_for_query("http://jabber.org/protocol/disco#info",
"<iq type='result' to='stabber@localhost/profanity' from='localhost'>"
"<query xmlns='http://jabber.org/protocol/disco#info'>"
"<identity category='server' type='im' name='TestServer'/>"
"<feature var='urn:xmpp:sid:0'/>"
"</query>"
"</iq>"
);
prof_connect();
stbbr_send(
"<message id='m-trust-1' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
"<body>first</body>"
"<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-42'/>"
"</message>"
);
assert_true(prof_output_exact("<< chat message: someuser@chatserv.org/laptop (win 2)"));
stbbr_send(
"<message id='m-trust-2' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
"<body>replay</body>"
"<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-42'/>"
"</message>"
);
assert_true(prof_output_exact("Got a message with duplicate (server-generated) stanza-id from someuser@chatserv.org/laptop."));
}
// XEP-0359 disco gate: server does NOT announce urn:xmpp:sid:0 -> stanza-id untrusted -> no replay error.
void
stanza_id_not_trusted_when_server_does_not_announce_sid0(void **state)
{
stbbr_for_query("http://jabber.org/protocol/disco#info",
"<iq type='result' to='stabber@localhost/profanity' from='localhost'>"
"<query xmlns='http://jabber.org/protocol/disco#info'>"
"<identity category='server' type='im' name='TestServer'/>"
"<feature var='urn:xmpp:ping'/>"
"</query>"
"</iq>"
);
prof_connect();
stbbr_send(
"<message id='m-untrust-1' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
"<body>first</body>"
"<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-77'/>"
"</message>"
);
assert_true(prof_output_exact("<< chat message: someuser@chatserv.org/laptop (win 2)"));
stbbr_send(
"<message id='m-untrust-2' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
"<body>replay</body>"
"<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-77'/>"
"</message>"
);
prof_timeout(2);
assert_false(prof_output_exact("Got a message with duplicate (server-generated) stanza-id"));
prof_timeout_reset();
}
/* Regression test for issue #148 (REQ-INP-01): with silence.non-roster
* enabled the incoming-message filter dereferenced jid_create() without a
* NULL check, so a message with an invalid 'from' crashed the client. */
void
message_invalid_from_silence_no_crash(void **state)
{
prof_connect();
prof_input("/silence on");
assert_true(prof_output_exact("Block all messages from JIDs that are not in the roster enabled."));
stbbr_send(
"<message to='stabber@localhost' from='bad@@jid' type='chat'>"
"<body>should be dropped, not crash</body>"
"</message>"
);
/* client is still alive: a roster contact's message comes through */
stbbr_send(
"<message to='stabber@localhost' from='buddy1@localhost/mobile' type='chat'>"
"<body>still alive</body>"
"</message>"
);
assert_true(prof_output_exact("<< chat message: Buddy1/mobile (win 2)"));
}