/*-*- 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 <fcntl.h> #include <sys/mman.h> #include "util.h" #include "log.h" #include "memfd-util.h" #include "sd-bus.h" #include "bus-message.h" #include "bus-error.h" #include "bus-kernel.h" #include "bus-dump.h" #define FIRST_ARRAY 17 #define SECOND_ARRAY 33 #define STRING_SIZE 123 int main(int argc, char *argv[]) { _cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL; uint8_t *p; sd_bus *a, *b; int r, bus_ref; sd_bus_message *m; int f; uint64_t sz; uint32_t u32; size_t i, l; char *s; _cleanup_close_ int sfd = -1; log_set_max_level(LOG_DEBUG); assert_se(asprintf(&name, "deine-mutter-%u", (unsigned) getpid()) >= 0); bus_ref = bus_kernel_create_bus(name, false, &bus_name); if (bus_ref == -ENOENT) return EXIT_TEST_SKIP; assert_se(bus_ref >= 0); address = strappend("kernel:path=", bus_name); assert_se(address); r = sd_bus_new(&a); assert_se(r >= 0); r = sd_bus_new(&b); assert_se(r >= 0); r = sd_bus_set_address(a, address); assert_se(r >= 0); r = sd_bus_set_address(b, address); assert_se(r >= 0); r = sd_bus_start(a); assert_se(r >= 0); r = sd_bus_start(b); assert_se(r >= 0); r = sd_bus_message_new_method_call(b, &m, ":1.1", "/a/path", "an.inter.face", "AMethod"); assert_se(r >= 0); r = sd_bus_message_open_container(m, 'r', "aysay"); assert_se(r >= 0); r = sd_bus_message_append_array_space(m, 'y', FIRST_ARRAY, (void**) &p); assert_se(r >= 0); p[0] = '<'; memset(p+1, 'L', FIRST_ARRAY-2); p[FIRST_ARRAY-1] = '>'; f = memfd_new_and_map(NULL, STRING_SIZE, (void**) &s); assert_se(f >= 0); s[0] = '<'; for (i = 1; i < STRING_SIZE-2; i++) s[i] = '0' + (i % 10); s[STRING_SIZE-2] = '>'; s[STRING_SIZE-1] = 0; munmap(s, STRING_SIZE); r = memfd_get_size(f, &sz); assert_se(r >= 0); assert_se(sz == STRING_SIZE); r = sd_bus_message_append_string_memfd(m, f, 0, (uint64_t) -1); assert_se(r >= 0); close(f); f = memfd_new_and_map(NULL, SECOND_ARRAY, (void**) &p); assert_se(f >= 0); p[0] = '<'; memset(p+1, 'P', SECOND_ARRAY-2); p[SECOND_ARRAY-1] = '>'; munmap(p, SECOND_ARRAY); r = memfd_get_size(f, &sz); assert_se(r >= 0); assert_se(sz == SECOND_ARRAY); r = sd_bus_message_append_array_memfd(m, 'y', f, 0, (uint64_t) -1); assert_se(r >= 0); close(f); r = sd_bus_message_close_container(m); assert_se(r >= 0); r = sd_bus_message_append(m, "u", 4711); assert_se(r >= 0); assert_se((sfd = memfd_new_and_map(NULL, 6, (void**) &p)) >= 0); memcpy(p, "abcd\0", 6); munmap(p, 6); assert_se(sd_bus_message_append_string_memfd(m, sfd, 1, 4) >= 0); r = bus_message_seal(m, 55, 99*USEC_PER_SEC); assert_se(r >= 0); bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); r = sd_bus_send(b, m, NULL); assert_se(r >= 0); sd_bus_message_unref(m); r = sd_bus_process(a, &m); assert_se(r > 0); bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_rewind(m, true); r = sd_bus_message_enter_container(m, 'r', "aysay"); assert_se(r > 0); r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l); assert_se(r > 0); assert_se(l == FIRST_ARRAY); assert_se(p[0] == '<'); for (i = 1; i < l-1; i++) assert_se(p[i] == 'L'); assert_se(p[l-1] == '>'); r = sd_bus_message_read(m, "s", &s); assert_se(r > 0); assert_se(s[0] == '<'); for (i = 1; i < STRING_SIZE-2; i++) assert_se(s[i] == (char) ('0' + (i % 10))); assert_se(s[STRING_SIZE-2] == '>'); assert_se(s[STRING_SIZE-1] == 0); r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l); assert_se(r > 0); assert_se(l == SECOND_ARRAY); assert_se(p[0] == '<'); for (i = 1; i < l-1; i++) assert_se(p[i] == 'P'); assert_se(p[l-1] == '>'); r = sd_bus_message_exit_container(m); assert_se(r > 0); r = sd_bus_message_read(m, "u", &u32); assert_se(r > 0); assert_se(u32 == 4711); r = sd_bus_message_read(m, "s", &s); assert_se(r > 0); assert_se(streq_ptr(s, "bcd")); sd_bus_message_unref(m); sd_bus_unref(a); sd_bus_unref(b); return 0; }