示例#1
0
static int async_polkit_callback(sd_bus *bus, sd_bus_message *reply, void *userdata, sd_bus_error *error) {
        _cleanup_bus_error_free_ sd_bus_error error_buffer = SD_BUS_ERROR_NULL;
        AsyncPolkitQuery *q = userdata;
        int r;

        assert(bus);
        assert(reply);
        assert(q);

        q->slot = sd_bus_slot_unref(q->slot);
        q->reply = sd_bus_message_ref(reply);

        r = sd_bus_message_rewind(q->request, true);
        if (r < 0) {
                r = sd_bus_reply_method_errno(q->request, r, NULL);
                goto finish;
        }

        r = q->callback(bus, q->request, q->userdata, &error_buffer);
        r = bus_maybe_reply_error(q->request, r, &error_buffer);

finish:
        async_polkit_query_free(q);

        return r;
}
static int count_addresses(sd_bus_message *m, int af, const char **canonical) {
        int c = 0, r, ifindex;

        assert(m);
        assert(canonical);

        r = sd_bus_message_read(m, "i", &ifindex);
        if (r < 0)
                return r;

        r = sd_bus_message_enter_container(m, 'a', "(iay)");
        if (r < 0)
                return r;

        while ((r = sd_bus_message_enter_container(m, 'r', "iay")) > 0) {
                int family;

                r = sd_bus_message_read(m, "i", &family);
                if (r < 0)
                        return r;

                r = sd_bus_message_skip(m, "ay");
                if (r < 0)
                        return r;

                r = sd_bus_message_exit_container(m);
                if (r < 0)
                        return r;

                if (af != AF_UNSPEC && family != af)
                        continue;

                c ++;
        }
        if (r < 0)
                return r;

        r = sd_bus_message_exit_container(m);
        if (r < 0)
                return r;

        r = sd_bus_message_read(m, "s", canonical);
        if (r < 0)
                return r;

        r = sd_bus_message_rewind(m, true);
        if (r < 0)
                return r;

        return c;
}
示例#3
0
static int async_polkit_callback(sd_bus *bus, sd_bus_message *reply, void *userdata) {
        AsyncPolkitQuery *q = userdata;
        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
        int r;

        assert(bus);
        assert(reply);
        assert(q);

        q->reply = sd_bus_message_ref(reply);
        q->serial = 0;

        m = sd_bus_message_ref(q->request);

        r = sd_bus_message_rewind(m, true);
        if (r < 0)
                return r;

        r = q->callback(bus, m, q->userdata);
        if (r < 0)
                return r;

        return 1;
}
示例#4
0
enum nss_status _nss_resolve_gethostbyaddr2_r(
                const void* addr, socklen_t len,
                int af,
                struct hostent *result,
                char *buffer, size_t buflen,
                int *errnop, int *h_errnop,
                int32_t *ttlp) {

        _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
        char *r_name, *r_aliases, *r_addr, *r_addr_list;
        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
        unsigned c = 0, i = 0;
        size_t ms = 0, idx;
        const char *n;
        int r, ifindex;

        assert(addr);
        assert(result);
        assert(buffer);
        assert(errnop);
        assert(h_errnop);

        if (!IN_SET(af, AF_INET, AF_INET6)) {
                *errnop = EAFNOSUPPORT;
                *h_errnop = NO_DATA;
                return NSS_STATUS_UNAVAIL;
        }

        if (len != FAMILY_ADDRESS_SIZE(af)) {
                *errnop = EINVAL;
                *h_errnop = NO_RECOVERY;
                return NSS_STATUS_UNAVAIL;
        }

        r = sd_bus_open_system(&bus);
        if (r < 0)
                goto fail;

        r = sd_bus_message_new_method_call(
                        bus,
                        &req,
                        "org.freedesktop.resolve1",
                        "/org/freedesktop/resolve1",
                        "org.freedesktop.resolve1.Manager",
                        "ResolveAddress");
        if (r < 0)
                goto fail;

        r = sd_bus_message_set_auto_start(req, false);
        if (r < 0)
                goto fail;

        r = sd_bus_message_append(req, "ii", 0, af);
        if (r < 0)
                goto fail;

        r = sd_bus_message_append_array(req, 'y', addr, len);
        if (r < 0)
                goto fail;

        r = sd_bus_message_append(req, "t", (uint64_t) 0);
        if (r < 0)
                goto fail;

        r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
        if (r < 0) {
                if (sd_bus_error_has_name(&error, _BUS_ERROR_DNS "NXDOMAIN")) {
                        *errnop = ESRCH;
                        *h_errnop = HOST_NOT_FOUND;
                        return NSS_STATUS_NOTFOUND;
                }

                if (bus_error_shall_fallback(&error)) {

                        enum nss_status (*fallback)(
                                        const void* addr, socklen_t len,
                                        int af,
                                        struct hostent *result,
                                        char *buffer, size_t buflen,
                                        int *errnop, int *h_errnop,
                                        int32_t *ttlp);

                        fallback = (enum nss_status (*)(
                                        const void* addr, socklen_t len,
                                        int af,
                                        struct hostent *result,
                                        char *buffer, size_t buflen,
                                        int *errnop, int *h_errnop,
                                        int32_t *ttlp))
                                find_fallback("libnss_dns.so.2", "_nss_dns_gethostbyaddr2_r");

                        if (fallback)
                                return fallback(addr, len, af, result, buffer, buflen, errnop, h_errnop, ttlp);
                }

                *errnop = -r;
                *h_errnop = NO_RECOVERY;
                return NSS_STATUS_UNAVAIL;
        }

        r = sd_bus_message_enter_container(reply, 'a', "(is)");
        if (r < 0)
                goto fail;

        while ((r = sd_bus_message_read(reply, "(is)", &ifindex, &n)) > 0) {

                if (ifindex < 0) {
                        r = -EINVAL;
                        goto fail;
                }

                c++;
                ms += ALIGN(strlen(n) + 1);
        }
        if (r < 0)
                goto fail;

        r = sd_bus_message_rewind(reply, false);
        if (r < 0)
                return r;

        if (c <= 0) {
                *errnop = ESRCH;
                *h_errnop = HOST_NOT_FOUND;
                return NSS_STATUS_NOTFOUND;
        }

        ms += ALIGN(len) +              /* the address */
              2 * sizeof(char*) +       /* pointers to the address, plus trailing NULL */
              c * sizeof(char*);        /* pointers to aliases, plus trailing NULL */

        if (buflen < ms) {
                *errnop = ENOMEM;
                *h_errnop = TRY_AGAIN;
                return NSS_STATUS_TRYAGAIN;
        }

        /* First, place address */
        r_addr = buffer;
        memcpy(r_addr, addr, len);
        idx = ALIGN(len);

        /* Second, place address list */
        r_addr_list = buffer + idx;
        ((char**) r_addr_list)[0] = r_addr;
        ((char**) r_addr_list)[1] = NULL;
        idx += sizeof(char*) * 2;

        /* Third, reserve space for the aliases array */
        r_aliases = buffer + idx;
        idx += sizeof(char*) * c;

        /* Fourth, place aliases */
        i = 0;
        r_name = buffer + idx;
        while ((r = sd_bus_message_read(reply, "(is)", &ifindex, &n)) > 0) {
                char *p;
                size_t l;

                l = strlen(n);
                p = buffer + idx;
                memcpy(p, n, l+1);

                if (i > 1)
                        ((char**) r_aliases)[i-1] = p;
                i++;

                idx += ALIGN(l+1);
        }
        if (r < 0)
                goto fail;

        ((char**) r_aliases)[c-1] = NULL;
        assert(idx == ms);

        result->h_name = r_name;
        result->h_aliases = (char**) r_aliases;
        result->h_addrtype = af;
        result->h_length = len;
        result->h_addr_list = (char**) r_addr_list;

        if (ttlp)
                *ttlp = 0;

        /* Explicitly reset all error variables */
        *errnop = 0;
        *h_errnop = NETDB_SUCCESS;
        h_errno = 0;

        return NSS_STATUS_SUCCESS;

fail:
        *errnop = -r;
        *h_errnop = NO_DATA;
        return NSS_STATUS_UNAVAIL;
}
示例#5
0
int main(int argc, char *argv[]) {
        _cleanup_(sd_bus_message_unrefp) 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;
        _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
        double dbl;
        uint64_t u64;

        r = sd_bus_default_system(&bus);
        if (r < 0)
                return EXIT_TEST_SKIP;

        r = sd_bus_message_new_method_call(bus, &m, "foobar.waldo", "/", "foobar.waldo", "Piep");
        assert_se(r >= 0);

        r = sd_bus_message_append(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, "y(ty)y(yt)y", 8, 777ULL, 7, 9, 77, 7777ULL, 10);
        assert_se(r >= 0);

        r = sd_bus_message_append(m, "()");
        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 = sd_bus_message_append(m, "a(stdo)", 1, "foo", 815ULL, 47.0, "/");
        assert_se(r >= 0);

        r = bus_message_seal(m, 4711, 0);
        assert_se(r >= 0);

        bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);

        ms = open_memstream(&first, &first_size);
        bus_message_dump(m, ms, 0);
        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 = %zu, contents =\n%s", 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);

                dbus_error_free(&error);
        }
#endif

        m = sd_bus_message_unref(m);

        r = bus_message_from_malloc(bus, buffer, sz, NULL, 0, NULL, &m);
        assert_se(r >= 0);

        bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);

        fclose(ms);
        ms = open_memstream(&second, &second_size);
        bus_message_dump(m, ms, 0);
        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, "y(ty)", &v, &u64, &u);
        assert_se(r > 0);
        assert_se(v == 8);
        assert_se(u64 == 777);
        assert_se(u == 7);

        r = sd_bus_message_read(m, "y(yt)", &v, &u, &u64);
        assert_se(r > 0);
        assert_se(v == 9);
        assert_se(u == 77);
        assert_se(u64 == 7777);

        r = sd_bus_message_read(m, "y", &v);
        assert_se(r > 0);
        assert_se(v == 10);

        r = sd_bus_message_read(m, "()");
        assert_se(r > 0);

        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_read(m, "a(stdo)", 1, &x, &u64, &dbl, &y);
        assert_se(r > 0);
        assert_se(streq(x, "foo"));
        assert_se(u64 == 815ULL);
        assert_se(fabs(dbl - 47.0) < 0.1);
        assert_se(streq(y, "/"));

        r = sd_bus_message_peek_type(m, NULL, NULL);
        assert_se(r == 0);

        r = sd_bus_message_new_method_call(bus, &copy, "foobar.waldo", "/", "foobar.waldo", "Piep");
        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, 0);
        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}y(ty)y(yt)y()");
        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();
        test_bus_path_encode();
        test_bus_path_encode_unique();
        test_bus_path_encode_many();

        return 0;
}
int main(int argc, char *argv[]) {
        _cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL;
        const char *unique;
        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_get_unique_name(a, &unique);
        assert_se(r >= 0);

        r = sd_bus_message_new_method_call(b, &m, unique, "/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;
}
示例#7
0
int bus_match_run(
                sd_bus *bus,
                struct bus_match_node *node,
                sd_bus_message *m) {


        const char *test_str = NULL;
        uint8_t test_u8 = 0;
        int r;

        assert(m);

        if (!node)
                return 0;

        if (bus && bus->match_callbacks_modified)
                return 0;

        /* Not these special semantics: when traversing the tree we
         * usually let bus_match_run() when called for a node
         * recursively invoke bus_match_run(). There's are two
         * exceptions here though, which are BUS_NODE_ROOT (which
         * cannot have a sibling), and BUS_NODE_VALUE (whose siblings
         * are invoked anyway by its parent. */

        switch (node->type) {

        case BUS_MATCH_ROOT:

                /* Run all children. Since we cannot have any siblings
                 * we won't call any. The children of the root node
                 * are compares or leaves, they will automatically
                 * call their siblings. */
                return bus_match_run(bus, node->child, m);

        case BUS_MATCH_VALUE:

                /* Run all children. We don't execute any siblings, we
                 * assume our caller does that. The children of value
                 * nodes are compares or leaves, they will
                 * automatically call their siblings */

                assert(node->child);
                return bus_match_run(bus, node->child, m);

        case BUS_MATCH_LEAF:

                if (bus) {
                        if (node->leaf.last_iteration == bus->iteration_counter)
                                return 0;

                        node->leaf.last_iteration = bus->iteration_counter;
                }

                r = sd_bus_message_rewind(m, true);
                if (r < 0)
                        return r;

                /* Run the callback. And then invoke siblings. */
                if (node->leaf.callback) {
                        _cleanup_bus_error_free_ sd_bus_error error_buffer = SD_BUS_ERROR_NULL;

                        r = node->leaf.callback(bus, m, node->leaf.userdata, &error_buffer);
                        r = bus_maybe_reply_error(m, r, &error_buffer);
                        if (r != 0)
                                return r;
                }

                return bus_match_run(bus, node->next, m);

        case BUS_MATCH_MESSAGE_TYPE:
                test_u8 = m->header->type;
                break;

        case BUS_MATCH_SENDER:
                test_str = m->sender;
                /* FIXME: resolve test_str from a well-known to a unique name first */
                break;

        case BUS_MATCH_DESTINATION:
                test_str = m->destination;
                break;

        case BUS_MATCH_INTERFACE:
                test_str = m->interface;
                break;

        case BUS_MATCH_MEMBER:
                test_str = m->member;
                break;

        case BUS_MATCH_PATH:
        case BUS_MATCH_PATH_NAMESPACE:
                test_str = m->path;
                break;

        case BUS_MATCH_ARG ... BUS_MATCH_ARG_LAST:
                test_str = bus_message_get_arg(m, node->type - BUS_MATCH_ARG);
                break;

        case BUS_MATCH_ARG_PATH ... BUS_MATCH_ARG_PATH_LAST:
                test_str = bus_message_get_arg(m, node->type - BUS_MATCH_ARG_PATH);
                break;

        case BUS_MATCH_ARG_NAMESPACE ... BUS_MATCH_ARG_NAMESPACE_LAST:
                test_str = bus_message_get_arg(m, node->type - BUS_MATCH_ARG_NAMESPACE);
                break;

        default:
                assert_not_reached("Unknown match type.");
        }

        if (BUS_MATCH_CAN_HASH(node->type)) {
                struct bus_match_node *found;

                /* Lookup via hash table, nice! So let's jump directly. */

                if (test_str)
                        found = hashmap_get(node->compare.children, test_str);
                else if (node->type == BUS_MATCH_MESSAGE_TYPE)
                        found = hashmap_get(node->compare.children, UINT_TO_PTR(test_u8));
                else
                        found = NULL;

                if (found) {
                        r = bus_match_run(bus, found, m);
                        if (r != 0)
                                return r;
                }
        } else {
                struct bus_match_node *c;

                /* No hash table, so let's iterate manually... */

                for (c = node->child; c; c = c->next) {
                        if (!value_node_test(c, node->type, test_u8, test_str))
                                continue;

                        r = bus_match_run(bus, c, m);
                        if (r != 0)
                                return r;
                }
        }

        if (bus && bus->match_callbacks_modified)
                return 0;

        /* And now, let's invoke our siblings */
        return bus_match_run(bus, node->next, m);
}
示例#8
0
int main(int argc, char *argv[]) {
        _cleanup_close_ int bus_ref = -1;
        _cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL, *bname = NULL;
        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
        const char *ua = NULL, *ub = NULL, *the_string = NULL;
        sd_bus *a, *b;
        int r, pipe_fds[2];
        const char *nn;

        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_description(a, "a");
        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);

        assert_se(sd_bus_negotiate_timestamp(a, 1) >= 0);
        assert_se(sd_bus_negotiate_creds(a, true, _SD_BUS_CREDS_ALL) >= 0);

        assert_se(sd_bus_negotiate_timestamp(b, 0) >= 0);
        assert_se(sd_bus_negotiate_creds(b, true, 0) >= 0);

        r = sd_bus_start(a);
        assert_se(r >= 0);

        r = sd_bus_start(b);
        assert_se(r >= 0);

        assert_se(sd_bus_negotiate_timestamp(b, 1) >= 0);
        assert_se(sd_bus_negotiate_creds(b, true, _SD_BUS_CREDS_ALL) >= 0);

        r = sd_bus_get_unique_name(a, &ua);
        assert_se(r >= 0);
        printf("unique a: %s\n", ua);

        r = sd_bus_get_description(a, &nn);
        assert_se(r >= 0);
        printf("name of a: %s\n", nn);

        r = sd_bus_get_unique_name(b, &ub);
        assert_se(r >= 0);
        printf("unique b: %s\n", ub);

        r = sd_bus_get_description(b, &nn);
        assert_se(r >= 0);
        printf("name of b: %s\n", nn);

        assert_se(bus_kernel_get_bus_name(b, &bname) >= 0);
        assert_se(endswith(bname, name));

        r = sd_bus_call_method(a, "this.doesnt.exist", "/foo", "meh.mah", "muh", &error, NULL, "s", "yayayay");
        assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_SERVICE_UNKNOWN));
        assert_se(r == -EHOSTUNREACH);

        r = sd_bus_add_match(b, NULL, "interface='waldo.com',member='Piep'", NULL, NULL);
        assert_se(r >= 0);

        r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name");
        assert_se(r >= 0);

        r = sd_bus_try_close(b);
        assert_se(r == -EBUSY);

        r = sd_bus_process_priority(b, -10, &m);
        assert_se(r == 0);

        r = sd_bus_process(b, &m);
        assert_se(r > 0);
        assert_se(m);

        bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
        assert_se(sd_bus_message_rewind(m, true) >= 0);

        r = sd_bus_message_read(m, "s", &the_string);
        assert_se(r >= 0);
        assert_se(streq(the_string, "I am a string"));

        sd_bus_message_unref(m);
        m = NULL;

        r = sd_bus_request_name(a, "net.x0pointer.foobar", 0);
        assert_se(r >= 0);

        r = sd_bus_message_new_method_call(b, &m, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod");
        assert_se(r >= 0);

        assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0);

        assert_se(write(pipe_fds[1], "x", 1) == 1);

        pipe_fds[1] = safe_close(pipe_fds[1]);

        r = sd_bus_message_append(m, "h", pipe_fds[0]);
        assert_se(r >= 0);

        pipe_fds[0] = safe_close(pipe_fds[0]);

        r = sd_bus_send(b, m, NULL);
        assert_se(r >= 0);

        for (;;) {
                sd_bus_message_unref(m);
                m = NULL;
                r = sd_bus_process(a, &m);
                assert_se(r > 0);
                assert_se(m);

                bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
                assert_se(sd_bus_message_rewind(m, true) >= 0);

                if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) {
                        int fd;
                        char x;

                        r = sd_bus_message_read(m, "h", &fd);
                        assert_se(r >= 0);

                        assert_se(read(fd, &x, 1) == 1);
                        assert_se(x == 'x');
                        break;
                }
        }

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r >= 0);

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r == -ESRCH);

        r = sd_bus_try_close(a);
        assert_se(r >= 0);

        sd_bus_unref(a);
        sd_bus_unref(b);

        return 0;
}
示例#9
0
int main(int argc, char *argv[]) {
        _cleanup_close_ int bus_ref = -1;
        _cleanup_free_ char *bus_name = NULL, *address = NULL;
        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
        const char *ua = NULL, *ub = NULL, *the_string = NULL;
        sd_bus *a, *b;
        int r, pipe_fds[2];

        log_set_max_level(LOG_DEBUG);

        bus_ref = bus_kernel_create("deine-mutter", &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);

        assert_se(sd_bus_negotiate_attach_comm(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_exe(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cmdline(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cgroup(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_caps(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_selinux_context(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_audit(a, 1) >= 0);

        assert_se(sd_bus_negotiate_attach_comm(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_exe(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cmdline(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cgroup(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_caps(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_selinux_context(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_audit(b, 1) >= 0);

        r = sd_bus_start(a);
        assert_se(r >= 0);

        r = sd_bus_start(b);
        assert_se(r >= 0);

        r = sd_bus_get_unique_name(a, &ua);
        assert_se(r >= 0);

        printf("unique a: %s\n", ua);

        r = sd_bus_get_unique_name(b, &ub);
        assert_se(r >= 0);

        printf("unique b: %s\n", ub);

        r = sd_bus_add_match(b, "interface='waldo.com',member='Piep'", NULL, NULL);
        assert_se(r >= 0);

        r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name");
        assert_se(r >= 0);

        r = sd_bus_process(b, &m);
        assert_se(r > 0);
        assert_se(m);

        bus_message_dump(m);
        assert_se(sd_bus_message_rewind(m, true) >= 0);

        r = sd_bus_message_read(m, "s", &the_string);
        assert_se(r >= 0);
        assert_se(streq(the_string, "I am a string"));

        sd_bus_message_unref(m);
        m = NULL;

        r = sd_bus_request_name(a, "net.x0pointer.foobar", 0);
        assert_se(r >= 0);

        r = sd_bus_message_new_method_call(b, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod", &m);
        assert_se(r >= 0);

        assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0);

        assert_se(write(pipe_fds[1], "x", 1) == 1);

        close_nointr_nofail(pipe_fds[1]);
        pipe_fds[1] = -1;

        r = sd_bus_message_append(m, "h", pipe_fds[0]);
        assert_se(r >= 0);

        close_nointr_nofail(pipe_fds[0]);
        pipe_fds[0] = -1;

        r = sd_bus_send(b, m, NULL);
        assert_se(r >= 0);

        for (;;) {
                sd_bus_message_unref(m);
                m = NULL;
                r = sd_bus_process(a, &m);
                assert_se(r > 0);
                assert_se(m);

                bus_message_dump(m);
                assert_se(sd_bus_message_rewind(m, true) >= 0);

                if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) {
                        int fd;
                        char x;

                        r = sd_bus_message_read(m, "h", &fd);
                        assert_se(r >= 0);

                        assert_se(read(fd, &x, 1) == 1);
                        assert_se(x == 'x');
                        break;
                }
        }

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r >= 0);

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r == -ESRCH);

        sd_bus_unref(a);
        sd_bus_unref(b);

        return 0;
}
示例#10
0
int main(int argc, char *argv[]) {
        _cleanup_free_ char *bus_name = NULL, *address = NULL;
        uint8_t *p;
        sd_bus *a, *b;
        int r, bus_ref;
        sd_bus_message *m;
        sd_memfd *f;
        uint64_t sz;
        uint32_t u32;
        size_t i, l;
        char *s;

        log_set_max_level(LOG_DEBUG);

        bus_ref = bus_kernel_create("deine-mutter", &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, ":1.1", "/a/path", "an.inter.face", "AMethod", &m);
        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);

        memset(p, 'L', FIRST_ARRAY);

        r = sd_memfd_new_and_map(&f, STRING_SIZE, (void**) &s);
        assert_se(r >= 0);

        for (i = 0; i < STRING_SIZE-1; i++)
                s[i] = '0' + (i % 10);

        s[STRING_SIZE-1] = 0;
        munmap(s, STRING_SIZE);

        r = sd_memfd_get_size(f, &sz);
        assert_se(r >= 0);
        assert_se(sz == STRING_SIZE);

        r = sd_bus_message_append_string_memfd(m, f);
        assert_se(r >= 0);

        sd_memfd_free(f);

        r = sd_memfd_new_and_map(&f, SECOND_ARRAY, (void**) &p);
        assert_se(r >= 0);

        memset(p, 'P', SECOND_ARRAY);
        munmap(p, SECOND_ARRAY);

        r = sd_memfd_get_size(f, &sz);
        assert_se(r >= 0);
        assert_se(sz == SECOND_ARRAY);

        r = sd_bus_message_append_array_memfd(m, 'y', f);
        assert_se(r >= 0);

        sd_memfd_free(f);

        r = sd_bus_message_close_container(m);
        assert_se(r >= 0);

        r = sd_bus_message_append(m, "u", 4711);
        assert_se(r >= 0);

        r = bus_message_seal(m, 55);
        assert_se(r >= 0);

        bus_message_dump(m, stdout, true);

        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, true);
        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);

        for (i = 0; i < l; i++)
                assert_se(p[i] == 'L');

        r = sd_bus_message_read(m, "s", &s);
        assert_se(r > 0);

        for (i = 0; i < STRING_SIZE-1; i++)
                assert_se(s[i] == (char) ('0' + (i % 10)));
        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);

        for (i = 0; i < l; i++)
                assert_se(p[i] == 'P');

        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);

        sd_bus_message_unref(m);

        sd_bus_unref(a);
        sd_bus_unref(b);

        return 0;
}
示例#11
0
int main(int argc, char *argv[]) {
        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
        int r, boolean;
        const char *x, *y, *z, *a, *b, *c, *d;
        uint8_t u, v;
        void *buffer = NULL;
        size_t sz;
        char *h;
        const int32_t integer_array[] = { -1, -2, 0, 1, 2 }, *return_array;

        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, "as", 2, "string #1", "string #2");
        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_array(m, 'i', integer_array, sizeof(integer_array));
        assert_se(r >= 0);

        r = bus_message_seal(m, 4711);
        assert_se(r >= 0);

        bus_message_dump(m);

        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

        {
                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);
        }

        m = sd_bus_message_unref(m);

        r = bus_message_from_malloc(buffer, sz, NULL, 0, NULL, NULL, &m);
        assert_se(r >= 0);

        bus_message_dump(m);

        assert_se(sd_bus_message_rewind(m, true) >= 0);

        r = sd_bus_message_read(m, "sas", &x, 2, &y, &z);
        assert_se(r > 0);
        assert_se(streq(x, "a string"));
        assert_se(streq(y, "string #1"));
        assert_se(streq(z, "string #2"));

        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"));

        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_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_peek_type(m, NULL, NULL);
        assert_se(r == 0);

        return 0;
}
示例#12
0
int main(int argc, char *argv[]) {
        _cleanup_close_ int bus_ref = -1;
        _cleanup_free_ char *bus_name = NULL, *address = NULL;
        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
        const char *ua = NULL, *ub = NULL, *the_string = NULL;
        sd_bus *a, *b;
        int r, pipe_fds[2];

        bus_ref = bus_kernel_create("deine-mutter", &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_get_unique_name(a, &ua);
        assert_se(r >= 0);

        printf("unique a: %s\n", ua);

        r = sd_bus_get_unique_name(b, &ub);
        assert_se(r >= 0);

        printf("unique b: %s\n", ub);

        {
                //FIXME:
                struct kdbus_cmd_match cmd_match;

                cmd_match.size = sizeof(cmd_match);
                cmd_match.src_id = KDBUS_MATCH_SRC_ID_ANY;

                r = ioctl(sd_bus_get_fd(a), KDBUS_CMD_MATCH_ADD, &cmd_match);
                assert_se(r >= 0);

                r = ioctl(sd_bus_get_fd(b), KDBUS_CMD_MATCH_ADD, &cmd_match);
                assert_se(r >= 0);
        }

        r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name");
        assert_se(r >= 0);

        r = sd_bus_process(b, &m);
        assert_se(r > 0);
        assert_se(m);

        bus_message_dump(m);
        assert_se(sd_bus_message_rewind(m, true) >= 0);

        r = sd_bus_message_read(m, "s", &the_string);
        assert_se(r >= 0);
        assert_se(streq(the_string, "I am a string"));

        sd_bus_message_unref(m);
        m = NULL;

        r = sd_bus_request_name(a, "net.x0pointer.foobar", 0);
        assert_se(r >= 0);

        r = sd_bus_message_new_method_call(b, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod", &m);
        assert_se(r >= 0);

        assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0);

        assert_se(write(pipe_fds[1], "x", 1) == 1);

        close_nointr_nofail(pipe_fds[1]);
        pipe_fds[1] = -1;

        r = sd_bus_message_append(m, "h", pipe_fds[0]);
        assert_se(r >= 0);

        close_nointr_nofail(pipe_fds[0]);
        pipe_fds[0] = -1;

        r = sd_bus_send(b, m, NULL);
        assert_se(r >= 0);

        for (;;) {
                sd_bus_message_unref(m);
                m = NULL;
                r = sd_bus_process(a, &m);
                assert_se(r > 0);
                assert_se(m);

                bus_message_dump(m);
                assert_se(sd_bus_message_rewind(m, true) >= 0);

                if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) {
                        int fd;
                        char x;

                        r = sd_bus_message_read(m, "h", &fd);
                        assert_se(r >= 0);

                        assert_se(read(fd, &x, 1) == 1);
                        assert_se(x == 'x');
                        break;
                }
        }

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r >= 0);

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r == -ESRCH);

        sd_bus_unref(a);
        sd_bus_unref(b);

        return 0;
}
示例#13
0
enum nss_status _nss_resolve_gethostbyaddr2_r(
                const void* addr, socklen_t len,
                int af,
                struct hostent *result,
                char *buffer, size_t buflen,
                int *errnop, int *h_errnop,
                int32_t *ttlp) {

        _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
        char *r_name, *r_aliases, *r_addr, *r_addr_list;
        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
        enum nss_status ret = NSS_STATUS_UNAVAIL;
        unsigned c = 0, i = 0;
        size_t ms = 0, idx;
        const char *n;
        int r, ifindex;

        PROTECT_ERRNO;
        BLOCK_SIGNALS(NSS_SIGNALS_BLOCK);

        assert(addr);
        assert(result);
        assert(buffer);
        assert(errnop);
        assert(h_errnop);

        if (!IN_SET(af, AF_INET, AF_INET6)) {
                *errnop = EAFNOSUPPORT;
                *h_errnop = NO_DATA;
                return NSS_STATUS_UNAVAIL;
        }

        if (len != FAMILY_ADDRESS_SIZE(af)) {
                *errnop = EINVAL;
                *h_errnop = NO_RECOVERY;
                return NSS_STATUS_UNAVAIL;
        }

        if (avoid_deadlock()) {
                r = -EDEADLK;
                goto fail;
        }

        r = sd_bus_open_system(&bus);
        if (r < 0)
                goto fail;

        r = sd_bus_message_new_method_call(
                        bus,
                        &req,
                        "org.freedesktop.resolve1",
                        "/org/freedesktop/resolve1",
                        "org.freedesktop.resolve1.Manager",
                        "ResolveAddress");
        if (r < 0)
                goto fail;

        r = sd_bus_message_set_auto_start(req, false);
        if (r < 0)
                goto fail;

        r = sd_bus_message_append(req, "ii", 0, af);
        if (r < 0)
                goto fail;

        r = sd_bus_message_append_array(req, 'y', addr, len);
        if (r < 0)
                goto fail;

        r = sd_bus_message_append(req, "t", (uint64_t) 0);
        if (r < 0)
                goto fail;

        r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
        if (r < 0) {
                if (sd_bus_error_has_name(&error, _BUS_ERROR_DNS "NXDOMAIN") ||
                    !bus_error_shall_fallback(&error))
                        goto not_found;

                goto fail;
        }

        r = sd_bus_message_enter_container(reply, 'a', "(is)");
        if (r < 0)
                goto fail;

        while ((r = sd_bus_message_read(reply, "(is)", &ifindex, &n)) > 0) {

                if (ifindex < 0) {
                        r = -EINVAL;
                        goto fail;
                }

                c++;
                ms += ALIGN(strlen(n) + 1);
        }
        if (r < 0)
                goto fail;

        r = sd_bus_message_rewind(reply, false);
        if (r < 0)
                return r;

        if (c <= 0)
                goto not_found;

        ms += ALIGN(len) +              /* the address */
              2 * sizeof(char*) +       /* pointers to the address, plus trailing NULL */
              c * sizeof(char*);        /* pointers to aliases, plus trailing NULL */

        if (buflen < ms) {
                *errnop = ERANGE;
                *h_errnop = NETDB_INTERNAL;
                return NSS_STATUS_TRYAGAIN;
        }

        /* First, place address */
        r_addr = buffer;
        memcpy(r_addr, addr, len);
        idx = ALIGN(len);

        /* Second, place address list */
        r_addr_list = buffer + idx;
        ((char**) r_addr_list)[0] = r_addr;
        ((char**) r_addr_list)[1] = NULL;
        idx += sizeof(char*) * 2;

        /* Third, reserve space for the aliases array */
        r_aliases = buffer + idx;
        idx += sizeof(char*) * c;

        /* Fourth, place aliases */
        i = 0;
        r_name = buffer + idx;
        while ((r = sd_bus_message_read(reply, "(is)", &ifindex, &n)) > 0) {
                char *p;
                size_t l;

                l = strlen(n);
                p = buffer + idx;
                memcpy(p, n, l+1);

                if (i > 0)
                        ((char**) r_aliases)[i-1] = p;
                i++;

                idx += ALIGN(l+1);
        }
        if (r < 0)
                goto fail;

        ((char**) r_aliases)[c-1] = NULL;
        assert(idx == ms);

        result->h_name = r_name;
        result->h_aliases = (char**) r_aliases;
        result->h_addrtype = af;
        result->h_length = len;
        result->h_addr_list = (char**) r_addr_list;

        if (ttlp)
                *ttlp = 0;

        /* Explicitly reset both *h_errnop and h_errno to work around
         * https://bugzilla.redhat.com/show_bug.cgi?id=1125975 */
        *h_errnop = NETDB_SUCCESS;
        h_errno = 0;

        return NSS_STATUS_SUCCESS;

fail:
        *errnop = -r;
        *h_errnop = NO_RECOVERY;
        return ret;

not_found:
        *h_errnop = HOST_NOT_FOUND;
        return NSS_STATUS_NOTFOUND;
}