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systemd/src/libsystemd/sd-bus/test-bus-match.c
Lennart Poettering 2a0958d2d0 sd-bus: don't allow creating message objects that are not attached to a bus
It seems unnecessary to support this, and we rather should avoid
allowing this at all, so that people don't program against this
sloppily and we end up remarshalling all the time...
2014-06-06 18:30:01 +02:00

145 lines
5.0 KiB
C

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <assert.h>
#include "log.h"
#include "util.h"
#include "macro.h"
#include "bus-match.h"
#include "bus-message.h"
#include "bus-util.h"
#include "bus-slot.h"
static bool mask[32];
static int filter(sd_bus *b, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
log_info("Ran %i", PTR_TO_INT(userdata));
mask[PTR_TO_INT(userdata)] = true;
return 0;
}
static bool mask_contains(unsigned a[], unsigned n) {
unsigned i, j;
for (i = 0; i < ELEMENTSOF(mask); i++) {
bool found = false;
for (j = 0; j < n; j++)
if (a[j] == i) {
found = true;
break;
}
if (found != mask[i])
return false;
}
return true;
}
static int match_add(sd_bus_slot *slots, struct bus_match_node *root, const char *match, int value) {
struct bus_match_component *components = NULL;
unsigned n_components = 0;
sd_bus_slot *s;
int r;
s = slots + value;
zero(*s);
r = bus_match_parse(match, &components, &n_components);
if (r < 0)
return r;
s->userdata = INT_TO_PTR(value);
s->match_callback.callback = filter;
r = bus_match_add(root, components, n_components, &s->match_callback);
bus_match_parse_free(components, n_components);
return r;
}
int main(int argc, char *argv[]) {
struct bus_match_node root = {
.type = BUS_MATCH_ROOT,
};
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_bus_unref_ sd_bus *bus = NULL;
enum bus_match_node_type i;
sd_bus_slot slots[15];
int r;
r = sd_bus_open_system(&bus);
if (r < 0)
return EXIT_TEST_SKIP;
assert_se(match_add(slots, &root, "arg2='wal\\'do',sender='foo',type='signal',interface='bar.x',", 1) >= 0);
assert_se(match_add(slots, &root, "arg2='wal\\'do2',sender='foo',type='signal',interface='bar.x',", 2) >= 0);
assert_se(match_add(slots, &root, "arg3='test',sender='foo',type='signal',interface='bar.x',", 3) >= 0);
assert_se(match_add(slots, &root, "arg3='test',sender='foo',type='method_call',interface='bar.x',", 4) >= 0);
assert_se(match_add(slots, &root, "", 5) >= 0);
assert_se(match_add(slots, &root, "interface='quux.x'", 6) >= 0);
assert_se(match_add(slots, &root, "interface='bar.x'", 7) >= 0);
assert_se(match_add(slots, &root, "member='waldo',path='/foo/bar'", 8) >= 0);
assert_se(match_add(slots, &root, "path='/foo/bar'", 9) >= 0);
assert_se(match_add(slots, &root, "path_namespace='/foo'", 10) >= 0);
assert_se(match_add(slots, &root, "path_namespace='/foo/quux'", 11) >= 0);
assert_se(match_add(slots, &root, "arg1='two'", 12) >= 0);
assert_se(match_add(slots, &root, "member='waldo',arg2path='/prefix/'", 13) >= 0);
assert_se(match_add(slots, &root, "member=waldo,path='/foo/bar',arg3namespace='prefix'", 14) >= 0);
bus_match_dump(&root, 0);
assert_se(sd_bus_message_new_signal(bus, &m, "/foo/bar", "bar.x", "waldo") >= 0);
assert_se(sd_bus_message_append(m, "ssss", "one", "two", "/prefix/three", "prefix.four") >= 0);
assert_se(bus_message_seal(m, 1, 0) >= 0);
zero(mask);
assert_se(bus_match_run(NULL, &root, m) == 0);
assert_se(mask_contains((unsigned[]) { 9, 8, 7, 5, 10, 12, 13, 14 }, 8));
assert_se(bus_match_remove(&root, &slots[8].match_callback) >= 0);
assert_se(bus_match_remove(&root, &slots[13].match_callback) >= 0);
bus_match_dump(&root, 0);
zero(mask);
assert_se(bus_match_run(NULL, &root, m) == 0);
assert_se(mask_contains((unsigned[]) { 9, 5, 10, 12, 14, 7 }, 6));
for (i = 0; i < _BUS_MATCH_NODE_TYPE_MAX; i++) {
char buf[32];
const char *x;
assert_se(x = bus_match_node_type_to_string(i, buf, sizeof(buf)));
if (i >= BUS_MATCH_MESSAGE_TYPE)
assert_se(bus_match_node_type_from_string(x, strlen(x)) == i);
}
bus_match_free(&root);
return 0;
}