static int append_address(sd_bus_message *reply, DnsResourceRecord *rr) { int r; assert(reply); assert(rr); r = sd_bus_message_open_container(reply, 'r', "iay"); if (r < 0) return r; if (rr->key->type == DNS_TYPE_A) { r = sd_bus_message_append(reply, "i", AF_INET); if (r < 0) return r; r = sd_bus_message_append_array(reply, 'y', &rr->a.in_addr, sizeof(struct in_addr)); } else if (rr->key->type == DNS_TYPE_AAAA) { r = sd_bus_message_append(reply, "i", AF_INET6); if (r < 0) return r; r = sd_bus_message_append_array(reply, 'y', &rr->aaaa.in6_addr, sizeof(struct in6_addr)); } else return -EAFNOSUPPORT; if (r < 0) return r; r = sd_bus_message_close_container(reply); if (r < 0) return r; return 0; }
static struct ipmi_rs *ipmi_dbus_sendrecv(struct ipmi_intf *intf, struct ipmi_rq *req) { sd_bus_message *msg; int rc; (void)intf; rsp.ccode = 0xff; rc = sd_bus_message_new_signal(bus, &msg, object_path, interface, "ReceivedMessage"); if (rc < 0) { lprintf(LOG_ERR, "%s: failed to create message: %s\n", __func__, strerror(-rc)); goto out; } rc = sd_bus_message_append(msg, "yyyy", ++seq, req->msg.netfn, req->msg.lun, req->msg.cmd); if (rc < 0) { lprintf(LOG_ERR, "%s: failed to init bytes\n", __func__); goto out_free; } rc = sd_bus_message_append_array(msg, 'y', req->msg.data, req->msg.data_len); if (rc < 0) { lprintf(LOG_ERR, "%s: failed to init body\n", __func__); goto out_free; } rc = sd_bus_send(bus, msg, NULL); if (rc < 0) { lprintf(LOG_ERR, "%s: failed to send dbus message\n", __func__); goto out_free; } for (reply_received = false; !reply_received;) { rc = sd_bus_wait(bus, -1); sd_bus_process(bus, NULL); } out_free: sd_bus_message_unref(msg); out: return &rsp; }
static int property_get_id( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Machine *m = userdata; assert(bus); assert(reply); assert(m); return sd_bus_message_append_array(reply, 'y', &m->id, 16); }
static int driver_get_security_context(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; int r; r = get_creds(bus, m, SD_BUS_CREDS_SELINUX_CONTEXT, &creds, error); if (r < 0) return r; r = sd_bus_message_new_method_return(m, &reply); if (r < 0) return r; r = sd_bus_message_append_array(reply, 'y', creds->label, strlen(creds->label)); if (r < 0) return r; return sd_bus_send(bus, reply, NULL); }
static int property_get_netif( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Machine *m = userdata; assert(bus); assert(reply); assert(m); assert_cc(sizeof(int) == sizeof(int32_t)); return sd_bus_message_append_array(reply, 'i', m->netif, m->n_netif * sizeof(int)); }
static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Context *c = userdata; int interactive, r; assert(m); assert(c); if (!c->has_uuid) return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, "Failed to read product UUID from /sys/class/dmi/id/product_uuid"); r = sd_bus_message_read(m, "b", &interactive); if (r < 0) return r; r = bus_verify_polkit_async( m, CAP_SYS_ADMIN, "org.freedesktop.hostname1.get-product-uuid", NULL, interactive, UID_INVALID, &c->polkit_registry, error); if (r < 0) return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ r = sd_bus_message_new_method_return(m, &reply); if (r < 0) return r; r = sd_bus_message_append_array(reply, 'y', &c->uuid, sizeof(c->uuid)); if (r < 0) return r; return sd_bus_send(NULL, reply, NULL); }
static int append_fd(sd_bus_message *m, PortableMetadata *d) { _cleanup_fclose_ FILE *f = NULL; _cleanup_free_ char *buf = NULL; size_t n; int r; assert(m); assert(d); assert(d->fd >= 0); f = fdopen(d->fd, "r"); if (!f) return -errno; d->fd = -1; r = read_full_stream(f, &buf, &n); if (r < 0) return r; return sd_bus_message_append_array(m, 'y', buf, n); }
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; }
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, ©, "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; }
static int send_ipmi_message(unsigned char seq, unsigned char netfn, unsigned char cmd, unsigned char *buf, unsigned char len) { sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus_message *reply = NULL, *m=NULL; const char *path; int r, pty; r = sd_bus_message_new_method_call(bus,&m,DBUS_NAME,OBJ_NAME,DBUS_NAME,"sendMessage"); if (r < 0) { fprintf(stderr, "Failed to add the method object: %s\n", strerror(-r)); return -1; } // Responses in IPMI require a bit set. So there ya go... netfn |= 0x04; // Add the bytes needed for the methods to be called r = sd_bus_message_append(m, "yyy", seq, netfn, cmd); if (r < 0) { fprintf(stderr, "Failed add the netfn and others : %s\n", strerror(-r)); return -1; } r = sd_bus_message_append_array(m, 'y', buf, len); if (r < 0) { fprintf(stderr, "Failed to add the string of response bytes: %s\n", strerror(-r)); return -1; } // Call the IPMI responder on the bus so the message can be sent to the CEC r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { fprintf(stderr, "Failed to call the method: %s", strerror(-r)); return -1; } r = sd_bus_message_read(reply, "x", &pty); #ifdef __IPMI_DEBUG__ printf("RC from the ipmi dbus method :%d \n", pty); #endif if (r < 0) { fprintf(stderr, "Failed to get a rc from the method: %s\n", strerror(-r)); } sd_bus_error_free(&error); sd_bus_message_unref(m); #ifdef __IPMI_DEBUG__ printf("%d : %s\n", __LINE__, __PRETTY_FUNCTION__ ); #endif return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }
int bus_machine_method_get_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; Machine *m = userdata; int r; assert(message); assert(m); r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; r = sd_bus_message_open_container(reply, 'a', "(iay)"); if (r < 0) return r; switch (m->class) { case MACHINE_HOST: { _cleanup_free_ struct local_address *addresses = NULL; struct local_address *a; int n, i; n = local_addresses(NULL, 0, AF_UNSPEC, &addresses); if (n < 0) return n; for (a = addresses, i = 0; i < n; a++, i++) { r = sd_bus_message_open_container(reply, 'r', "iay"); if (r < 0) return r; r = sd_bus_message_append(reply, "i", addresses[i].family); if (r < 0) return r; r = sd_bus_message_append_array(reply, 'y', &addresses[i].address, FAMILY_ADDRESS_SIZE(addresses[i].family)); if (r < 0) return r; r = sd_bus_message_close_container(reply); if (r < 0) return r; } break; } case MACHINE_CONTAINER: { _cleanup_close_pair_ int pair[2] = { -1, -1 }; _cleanup_free_ char *us = NULL, *them = NULL; _cleanup_close_ int netns_fd = -1; const char *p; siginfo_t si; pid_t child; r = readlink_malloc("/proc/self/ns/net", &us); if (r < 0) return r; p = procfs_file_alloca(m->leader, "ns/net"); r = readlink_malloc(p, &them); if (r < 0) return r; if (streq(us, them)) return sd_bus_error_setf(error, BUS_ERROR_NO_PRIVATE_NETWORKING, "Machine %s does not use private networking", m->name); r = namespace_open(m->leader, NULL, NULL, &netns_fd, NULL, NULL); if (r < 0) return r; if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0) return -errno; child = fork(); if (child < 0) return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m"); if (child == 0) { _cleanup_free_ struct local_address *addresses = NULL; struct local_address *a; int i, n; pair[0] = safe_close(pair[0]); r = namespace_enter(-1, -1, netns_fd, -1, -1); if (r < 0) _exit(EXIT_FAILURE); n = local_addresses(NULL, 0, AF_UNSPEC, &addresses); if (n < 0) _exit(EXIT_FAILURE); for (a = addresses, i = 0; i < n; a++, i++) { struct iovec iov[2] = { { .iov_base = &a->family, .iov_len = sizeof(a->family) }, { .iov_base = &a->address, .iov_len = FAMILY_ADDRESS_SIZE(a->family) }, }; r = writev(pair[1], iov, 2); if (r < 0) _exit(EXIT_FAILURE); } pair[1] = safe_close(pair[1]); _exit(EXIT_SUCCESS); }
SOL_API int sol_gatt_pending_reply(struct sol_gatt_pending *pending, int error, struct sol_buffer *buf) { sd_bus_message *reply = NULL; struct context *ctx = bluetooth_get_context(); const struct sol_gatt_attr *attr; const char *interface; int r; SOL_NULL_CHECK(pending, -EINVAL); attr = pending->attr; if (error) { r = error; goto done; } switch (pending->type) { case PENDING_READ: case PENDING_WRITE: r = sd_bus_message_new_method_return(pending->m, &reply); SOL_INT_CHECK(r, < 0, r); if (pending->type == PENDING_READ) { r = -EINVAL; SOL_NULL_CHECK_GOTO(buf, done); r = sd_bus_message_append_array(reply, 'y', buf->data, buf->used); SOL_INT_CHECK_GOTO(r, < 0, done); } break; case PENDING_INDICATE: case PENDING_NOTIFY: r = -EINVAL; pending->buf = buf; SOL_NULL_CHECK_GOTO(pending->buf, done); if (attr->type == SOL_GATT_ATTR_TYPE_DESCRIPTOR) interface = "org.bluez.GattDescriptor1"; else interface = "org.bluez.GattCharacteristic1"; r = sd_bus_emit_properties_changed(sol_bus_client_get_bus(ctx->bluez), attr->_priv, interface, "Value", NULL); SOL_INT_CHECK_GOTO(r, < 0, done); break; case PENDING_REMOTE_READ: pending->read((void *)pending->user_data, true, pending->attr, buf); pending->read = NULL; destroy_pending(pending); break; case PENDING_REMOTE_WRITE: pending->write((void *)pending->user_data, true, pending->attr); pending->write = NULL; destroy_pending(pending); break; }
static void bus_method_resolve_record_complete(DnsQuery *q) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; unsigned added = 0, i; int r; assert(q); if (q->state != DNS_TRANSACTION_SUCCESS) { r = reply_query_state(q); goto finish; } r = sd_bus_message_new_method_return(q->request, &reply); if (r < 0) goto finish; r = sd_bus_message_append(reply, "i", q->answer_ifindex); if (r < 0) goto finish; r = sd_bus_message_open_container(reply, 'a', "(qqay)"); if (r < 0) goto finish; if (q->answer) { answer = dns_answer_ref(q->answer); for (i = 0; i < answer->n_rrs; i++) { _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL; size_t start; r = dns_question_matches_rr(q->question, answer->rrs[i]); if (r < 0) goto finish; if (r == 0) continue; r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0); if (r < 0) goto finish; r = dns_packet_append_rr(p, answer->rrs[i], &start); if (r < 0) goto finish; r = sd_bus_message_open_container(reply, 'r', "qqay"); if (r < 0) goto finish; r = sd_bus_message_append(reply, "qq", answer->rrs[i]->key->class, answer->rrs[i]->key->type); if (r < 0) goto finish; r = sd_bus_message_append_array(reply, 'y', DNS_PACKET_DATA(p) + start, p->size - start); if (r < 0) goto finish; r = sd_bus_message_close_container(reply); if (r < 0) goto finish; added ++; } }
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; }
static int send_ipmi_message(unsigned char seq, unsigned char netfn, unsigned char cmd, unsigned char *buf, unsigned char len) { sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus_message *m = NULL; sd_bus *bus = NULL; sd_bus_message *reply = NULL; const char *path; int r, pty; /* Connect to the session bus */ // r = sd_bus_open_user(&bus); r = sd_bus_open_system(&bus); if (r < 0) { fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r)); return -1; } r = sd_bus_message_new_method_call(bus,&m,INT,OBJ,INT,"sendMessage"); if (r < 0) { fprintf(stderr, "Failed to add the method object: %s\n", strerror(-r)); goto finish; } // Add the bytes needed for the method to be called r = sd_bus_message_append(m, "yyy", seq, netfn, cmd); if (r < 0) { fprintf(stderr, "Failed add the netfn and others : %s\n", strerror(-r)); goto finish; } r = sd_bus_message_append_array(m, 'y', buf, 6); if (r < 0) { fprintf(stderr, "Failed to add the string of response bytes: %s\n", strerror(-r)); goto finish; } // Call the IPMI responder on the bus so the message can be sent to the CEC r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { fprintf(stderr, "Failed to call the method: %s", strerror(-r)); goto finish; } r = sd_bus_message_read(reply, "x", &pty); printf("RC from the ipmi dbus method :%d \n", pty); if (r < 0) { fprintf(stderr, "Failed to get a rc from the method: %s\n", strerror(-r)); goto finish; } finish: // since we used the _new_ above for the bus object // we need to remove it from the bus. Proably could // just init something once and not need this free. sd_bus_unref(bus); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }
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; }