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Systemd/src/libsystemd/test-bus-marshal.c

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/*-*- 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 <stdlib.h>
#include <byteswap.h>
#ifdef HAVE_GLIB
#include <gio/gio.h>
#endif
#ifdef HAVE_DBUS
#include <dbus/dbus.h>
#endif
#include "log.h"
#include "util.h"
#include "sd-bus.h"
#include "bus-message.h"
#include "bus-util.h"
#include "bus-dump.h"
static void test_bus_label_escape_one(const char *a, const char *b) {
_cleanup_free_ char *t = NULL, *x = NULL, *y = NULL;
assert_se(t = sd_bus_label_escape(a));
assert_se(streq(t, b));
assert_se(x = sd_bus_label_unescape(t));
assert_se(streq(a, x));
assert_se(y = sd_bus_label_unescape(b));
assert_se(streq(a, y));
}
static void test_bus_label_escape(void) {
test_bus_label_escape_one("foo123bar", "foo123bar");
test_bus_label_escape_one("foo.bar", "foo_2ebar");
test_bus_label_escape_one("foo_2ebar", "foo_5f2ebar");
test_bus_label_escape_one("", "_");
test_bus_label_escape_one("_", "_5f");
test_bus_label_escape_one("1", "_31");
test_bus_label_escape_one(":1", "_3a1");
}
int main(int argc, char *argv[]) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *copy = NULL;
int r, boolean;
const char *x, *x2, *y, *z, *a, *b, *c, *d, *a_signature;
uint8_t u, v;
void *buffer = NULL;
size_t sz;
char *h;
const int32_t integer_array[] = { -1, -2, 0, 1, 2 }, *return_array;
char *s;
_cleanup_free_ char *first = NULL, *second = NULL, *third = NULL;
_cleanup_fclose_ FILE *ms = NULL;
size_t first_size = 0, second_size = 0, third_size = 0;
r = sd_bus_message_new_method_call(NULL, "foobar.waldo", "/", "foobar.waldo", "Piep", &m);
assert_se(r >= 0);
r = sd_bus_message_append(m, "s", "a string");
assert_se(r >= 0);
r = sd_bus_message_append(m, "s", NULL);
assert_se(r >= 0);
r = sd_bus_message_append(m, "asg", 2, "string #1", "string #2", "sba(tt)ss");
assert_se(r >= 0);
r = sd_bus_message_append(m, "sass", "foobar", 5, "foo", "bar", "waldo", "piep", "pap", "after");
assert_se(r >= 0);
r = sd_bus_message_append(m, "a{yv}", 2, 3, "s", "foo", 5, "s", "waldo");
assert_se(r >= 0);
r = sd_bus_message_append(m, "ba(ss)", 255, 3, "aaa", "1", "bbb", "2", "ccc", "3");
assert_se(r >= 0);
r = sd_bus_message_open_container(m, 'a', "s");
assert_se(r >= 0);
r = sd_bus_message_append_basic(m, 's', "foobar");
assert_se(r >= 0);
r = sd_bus_message_append_basic(m, 's', "waldo");
assert_se(r >= 0);
r = sd_bus_message_close_container(m);
assert_se(r >= 0);
r = sd_bus_message_append_string_space(m, 5, &s);
assert_se(r >= 0);
strcpy(s, "hallo");
r = sd_bus_message_append_array(m, 'i', integer_array, sizeof(integer_array));
assert_se(r >= 0);
r = sd_bus_message_append_array(m, 'u', NULL, 0);
assert_se(r >= 0);
r = bus_message_seal(m, 4711, 0);
assert_se(r >= 0);
bus_message_dump(m, stdout, true);
ms = open_memstream(&first, &first_size);
bus_message_dump(m, ms, false);
fflush(ms);
assert_se(!ferror(ms));
r = bus_message_get_blob(m, &buffer, &sz);
assert_se(r >= 0);
h = hexmem(buffer, sz);
assert_se(h);
log_info("message size = %lu, contents =\n%s", (unsigned long) sz, h);
free(h);
#ifdef HAVE_GLIB
{
GDBusMessage *g;
char *p;
#if !defined(GLIB_VERSION_2_36)
g_type_init();
#endif
g = g_dbus_message_new_from_blob(buffer, sz, 0, NULL);
p = g_dbus_message_print(g, 0);
log_info("%s", p);
g_free(p);
g_object_unref(g);
}
#endif
#ifdef HAVE_DBUS
{
DBusMessage *w;
DBusError error;
dbus_error_init(&error);
w = dbus_message_demarshal(buffer, sz, &error);
if (!w)
log_error("%s", error.message);
else
dbus_message_unref(w);
}
#endif
m = sd_bus_message_unref(m);
r = bus_message_from_malloc(NULL, buffer, sz, NULL, 0, NULL, NULL, &m);
assert_se(r >= 0);
bus_message_dump(m, stdout, true);
fclose(ms);
ms = open_memstream(&second, &second_size);
bus_message_dump(m, ms, false);
fflush(ms);
assert_se(!ferror(ms));
assert_se(first_size == second_size);
assert_se(memcmp(first, second, first_size) == 0);
assert_se(sd_bus_message_rewind(m, true) >= 0);
r = sd_bus_message_read(m, "ssasg", &x, &x2, 2, &y, &z, &a_signature);
assert_se(r > 0);
assert_se(streq(x, "a string"));
assert_se(streq(x2, ""));
assert_se(streq(y, "string #1"));
assert_se(streq(z, "string #2"));
assert_se(streq(a_signature, "sba(tt)ss"));
r = sd_bus_message_read(m, "sass", &x, 5, &y, &z, &a, &b, &c, &d);
assert_se(r > 0);
assert_se(streq(x, "foobar"));
assert_se(streq(y, "foo"));
assert_se(streq(z, "bar"));
assert_se(streq(a, "waldo"));
assert_se(streq(b, "piep"));
assert_se(streq(c, "pap"));
assert_se(streq(d, "after"));
r = sd_bus_message_read(m, "a{yv}", 2, &u, "s", &x, &v, "s", &y);
assert_se(r > 0);
assert_se(u == 3);
assert_se(streq(x, "foo"));
assert_se(v == 5);
assert_se(streq(y, "waldo"));
r = sd_bus_message_read(m, "ba(ss)", &boolean, 3, &x, &y, &a, &b, &c, &d);
assert_se(r > 0);
assert_se(boolean);
assert_se(streq(x, "aaa"));
assert_se(streq(y, "1"));
assert_se(streq(a, "bbb"));
assert_se(streq(b, "2"));
assert_se(streq(c, "ccc"));
assert_se(streq(d, "3"));
assert_se(sd_bus_message_verify_type(m, 'a', "s") > 0);
r = sd_bus_message_read(m, "as", 2, &x, &y);
assert_se(r > 0);
assert_se(streq(x, "foobar"));
assert_se(streq(y, "waldo"));
r = sd_bus_message_read_basic(m, 's', &s);
assert_se(r > 0);
assert_se(streq(s, "hallo"));
r = sd_bus_message_read_array(m, 'i', (const void**) &return_array, &sz);
assert_se(r > 0);
assert_se(sz == sizeof(integer_array));
assert_se(memcmp(integer_array, return_array, sz) == 0);
r = sd_bus_message_read_array(m, 'u', (const void**) &return_array, &sz);
assert_se(r > 0);
assert_se(sz == 0);
r = sd_bus_message_peek_type(m, NULL, NULL);
assert_se(r == 0);
r = sd_bus_message_new_method_call(NULL, "foobar.waldo", "/", "foobar.waldo", "Piep", &copy);
assert_se(r >= 0);
r = sd_bus_message_rewind(m, true);
assert_se(r >= 0);
r = sd_bus_message_copy(copy, m, true);
assert_se(r >= 0);
r = bus_message_seal(copy, 4712, 0);
assert_se(r >= 0);
fclose(ms);
ms = open_memstream(&third, &third_size);
bus_message_dump(copy, ms, false);
fflush(ms);
assert_se(!ferror(ms));
printf("<%.*s>\n", (int) first_size, first);
printf("<%.*s>\n", (int) third_size, third);
assert_se(first_size == third_size);
assert_se(memcmp(first, third, third_size) == 0);
r = sd_bus_message_rewind(m, true);
assert_se(r >= 0);
assert_se(sd_bus_message_verify_type(m, 's', NULL) > 0);
r = sd_bus_message_skip(m, "ssasg");
assert_se(r > 0);
assert_se(sd_bus_message_verify_type(m, 's', NULL) > 0);
r = sd_bus_message_skip(m, "sass");
assert_se(r >= 0);
assert_se(sd_bus_message_verify_type(m, 'a', "{yv}") > 0);
r = sd_bus_message_skip(m, "a{yv}");
assert_se(r >= 0);
assert_se(sd_bus_message_verify_type(m, 'b', NULL) > 0);
r = sd_bus_message_read(m, "b", &boolean);
assert_se(r > 0);
assert_se(boolean);
r = sd_bus_message_enter_container(m, 0, NULL);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &x, &y);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &a, &b);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &c, &d);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &x, &y);
assert_se(r == 0);
r = sd_bus_message_exit_container(m);
assert_se(r >= 0);
assert_se(streq(x, "aaa"));
assert_se(streq(y, "1"));
assert_se(streq(a, "bbb"));
assert_se(streq(b, "2"));
assert_se(streq(c, "ccc"));
assert_se(streq(d, "3"));
test_bus_label_escape();
return 0;
}
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