Merge pull request #802 from ailin-nemui/test-796

Test for segfault on disconnect during signal processing

3 files changed, 217 insertions, 1 deletions

diff --git a/tests/irc/Makefile.am b/tests/irc/Makefile.am
index 52770885..d42cfc87 100644
--- a/tests/irc/Makefile.am
+++ b/tests/irc/Makefile.am
@@ -1 +1,3 @@
-SUBDIRS = core
+SUBDIRS = \
+	core \
+	flood
diff --git a/tests/irc/flood/Makefile.am b/tests/irc/flood/Makefile.am
new file mode 100644
index 00000000..85b52eab
--- /dev/null
+++ b/tests/irc/flood/Makefile.am
@@ -0,0 +1,40 @@
+include $(top_srcdir)/utils/glib-tap.mk
+
+PACKAGE_STRING=irc/flood
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/src \
+	-I$(top_srcdir)/src/core \
+	-DSYSCONFDIR=\""$(sysconfdir)"\" \
+	$(GLIB_CFLAGS)
+
+test_programs = \
+	test-796
+
+test_796_CPPFLAGS = \
+	-I$(top_srcdir)/src/fe-common/core \
+	-I$(top_srcdir)/src/irc/core \
+	-I$(top_srcdir)/src/irc/flood \
+	$(AM_CPPFLAGS)
+
+test_796_DEPENDENCIES = \
+	../../../src/core/libcore.a \
+	../../../src/lib-config/libirssi_config.a
+
+test_796_LDADD = \
+	../../../src/irc/libirc.a \
+	../../../src/fe-common/irc/libfe_common_irc.a \
+	../../../src/fe-common/irc/dcc/libfe_irc_dcc.a \
+	../../../src/fe-common/irc/notifylist/libfe_irc_notifylist.a \
+	../../../src/irc/dcc/libirc_dcc.a \
+	../../../src/irc/notifylist/libirc_notifylist.a \
+	../../../src/irc/flood/libirc_flood.a \
+	../../../src/irc/core/libirc_core.a \
+	../../../src/fe-common/core/libfe_common_core.a \
+	../../../src/core/libcore.a \
+	../../../src/lib-config/libirssi_config.a \
+	@GLIB_LIBS@ \
+	@OPENSSL_LIBS@
+
+test_796_SOURCES = \
+	test-796.c
diff --git a/tests/irc/flood/test-796.c b/tests/irc/flood/test-796.c
new file mode 100644
index 00000000..2e4affa0
--- /dev/null
+++ b/tests/irc/flood/test-796.c
@@ -0,0 +1,174 @@
+/*
+ test-796.c : irssi
+
+    Copyright (C) 2017 The Irssi project.
+
+    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 02110-1301 USA.
+*/
+
+#include "common.h"
+#include "args.h"
+#include "core.h"
+#include "misc.h"
+#include "servers-setup.h"
+
+#include "formats.h"
+#include "fe-common-core.h"
+
+#include "irc.h"
+#include "irc-servers.h"
+#include "irc-channels.h"
+
+/* irc.c */
+void irc_init(void);
+void irc_deinit(void);
+
+/* irc-session.c */
+void irc_session_init(void);
+void irc_session_deinit(void);
+
+/* fe-common-irc.c */
+void fe_common_irc_init(void);
+void fe_common_irc_deinit(void);
+
+typedef struct {
+} ServerDestroyFloodData;
+
+#define MODULE_NAME "tests"
+
+static void cmd_echo(const char *data, void *server, WI_ITEM_REC *item)
+{
+	g_test_message("echo: [server=%p,item=%p] %s", server, item, data);
+}
+
+static void sig_public(SERVER_REC *server, const char *msg, const char *nick, const char *address, const char *target)
+{
+	signal_emit("send command", 3, "/eval echo $tag", server, NULL);
+}
+
+static void print_disconnect(SERVER_REC *server)
+{
+	g_test_message("server %p was disconnected", server);
+}
+
+static void print_destroyed(SERVER_REC *server)
+{
+	g_test_message("server %p was destroyed", server);
+}
+
+static void server_destroy_flood_set_up(ServerDestroyFloodData *fixture, const void *data)
+{
+	args_execute(0, NULL);
+	core_init();
+	irc_init();
+	fe_common_core_init();
+	fe_common_irc_init();
+	signal_emit("irssi init finished", 0);
+	command_bind("echo", NULL, (SIGNAL_FUNC) cmd_echo);
+	signal_add("message public", (SIGNAL_FUNC) sig_public);
+	signal_add("server destroyed", (SIGNAL_FUNC) print_destroyed);
+	signal_add_first("server disconnected", (SIGNAL_FUNC) print_disconnect);
+}
+
+static void server_destroy_flood_tear_down(ServerDestroyFloodData *fixture, const void *data)
+{
+	signal_remove("server disconnected", (SIGNAL_FUNC) print_disconnect);
+	signal_remove("server destroyed", (SIGNAL_FUNC) print_destroyed);
+	signal_remove("message public", (SIGNAL_FUNC) sig_public);
+	command_unbind("echo", (SIGNAL_FUNC) cmd_echo);
+	fe_common_irc_deinit();
+	fe_common_core_deinit();
+	irc_deinit();
+	core_deinit();
+}
+
+static void irc_server_init_bare_minimum(IRC_SERVER_REC *server)
+{
+	server->isupport = g_hash_table_new((GHashFunc) g_istr_hash,
+					    (GCompareFunc) g_istr_equal);
+
+	/* set the standards */
+	g_hash_table_insert(server->isupport, g_strdup("CHANMODES"), g_strdup("beI,k,l,imnpst"));
+	g_hash_table_insert(server->isupport, g_strdup("PREFIX"), g_strdup("(ohv)@%+"));
+}
+
+static void test_server_destroy_flood(ServerDestroyFloodData *fixture, const void *data)
+{
+	SERVER_REC *server; /* = g_new0(IRC_SERVER_REC, 1); */
+	CHAT_PROTOCOL_REC *proto;
+	SERVER_CONNECT_REC *conn;
+	GLogLevelFlags loglev;
+
+	g_test_bug("796");
+
+	/* for the purpose of this exercise, we are ignoring the
+	   errors of g_hash_table_lookup failure */
+	loglev = g_log_set_always_fatal(G_LOG_FATAL_MASK);
+
+	proto = chat_protocol_find("IRC");
+	conn = server_create_conn(proto->id, "localhost", 0, "", "", "user");
+	server = proto->server_init_connect(conn);
+	server->session_reconnect = TRUE;
+	server->tag = g_strdup("testserver");
+
+	g_test_message("created server: %p", server);
+
+	/* we skip some initialisations that would try to send data */
+	/* irc_servers_deinit(); */
+	irc_session_deinit();
+	irc_irc_deinit();
+
+
+	server_connect_finished(server);
+
+	/* make up for the skipped session init */
+	irc_server_init_bare_minimum(IRC_SERVER(server));
+
+	irc_irc_init();
+	irc_session_init();
+	/* irc_servers_init(); */
+
+	/* simulate failing irc_server_send_data() */
+	server->connection_lost = TRUE;
+
+	/*
+	chat_completion_deinit();
+	fe_messages_deinit();
+	irc_notifylist_deinit();
+	*/
+
+	server_ref(server);
+	signal_emit("event privmsg", 4, server, "#someroom :test message", "nick", "user@host");
+	server_unref(server);
+
+	g_log_set_always_fatal(loglev);
+}
+
+int main(int argc, char **argv)
+{
+	g_test_init(&argc, &argv, NULL);
+	g_test_bug_base("https://github.com/irssi/irssi/issues/");
+
+	g_test_add("/test/server_destroy_flood", ServerDestroyFloodData, NULL,
+		   server_destroy_flood_set_up, test_server_destroy_flood,
+		   server_destroy_flood_tear_down);
+
+	g_test_set_nonfatal_assertions();
+
+	core_preinit(*argv);
+	irssi_gui = IRSSI_GUI_NONE;
+
+	return g_test_run();
+}