if (!part->sealed)
bus_kernel_push_memfd(m->bus, part->memfd, part->data, part->mapped);
else {
- if (part->size > 0)
- assert_se(munmap(part->data, PAGE_ALIGN(part->size)) == 0);
+ if (part->mapped > 0)
+ assert_se(munmap(part->data, part->mapped) == 0);
close_nointr_nofail(part->memfd);
}
if (m->free_kdbus)
free(m->kdbus);
- if (m->release_kdbus)
- ioctl(m->bus->input_fd, KDBUS_CMD_MSG_RELEASE, m->kdbus);
+ if (m->release_kdbus) {
+ uint64_t off;
- if (m->free_fds) {
- close_many(m->fds, m->n_fds);
- free(m->fds);
+ off = (uint8_t *)m->kdbus - (uint8_t *)m->bus->kdbus_buffer;
+ ioctl(m->bus->input_fd, KDBUS_CMD_MSG_RELEASE, &off);
}
if (m->bus)
sd_bus_unref(m->bus);
+ if (m->free_fds) {
+ close_many(m->fds, m->n_fds);
+ free(m->fds);
+ }
+
if (m->iovec != m->iovec_fixed)
free(m->iovec);
return m;
}
-int sd_bus_message_new_signal(
+_public_ int sd_bus_message_new_signal(
sd_bus *bus,
const char *path,
const char *interface,
sd_bus_message *t;
int r;
- if (!path)
- return -EINVAL;
- if (!interface)
- return -EINVAL;
- if (!member)
- return -EINVAL;
- if (!m)
- return -EINVAL;
- if (bus && bus->state == BUS_UNSET)
- return -ENOTCONN;
+ assert_return(!bus || bus->state != BUS_UNSET, -ENOTCONN);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(interface_name_is_valid(interface), -EINVAL);
+ assert_return(member_name_is_valid(member), -EINVAL);
+ assert_return(m, -EINVAL);
- t = message_new(bus, SD_BUS_MESSAGE_TYPE_SIGNAL);
+ t = message_new(bus, SD_BUS_MESSAGE_SIGNAL);
if (!t)
return -ENOMEM;
return r;
}
-int sd_bus_message_new_method_call(
+_public_ int sd_bus_message_new_method_call(
sd_bus *bus,
const char *destination,
const char *path,
sd_bus_message *t;
int r;
- if (!path)
- return -EINVAL;
- if (!member)
- return -EINVAL;
- if (!m)
- return -EINVAL;
- if (bus && bus->state == BUS_UNSET)
- return -ENOTCONN;
+ assert_return(!bus || bus->state != BUS_UNSET, -ENOTCONN);
+ assert_return(!destination || service_name_is_valid(destination), -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(!interface || interface_name_is_valid(interface), -EINVAL);
+ assert_return(member_name_is_valid(member), -EINVAL);
+ assert_return(m, -EINVAL);
- t = message_new(bus, SD_BUS_MESSAGE_TYPE_METHOD_CALL);
+ t = message_new(bus, SD_BUS_MESSAGE_METHOD_CALL);
if (!t)
return -ENOMEM;
sd_bus_message *t;
int r;
- if (!call)
- return -EINVAL;
- if (!call->sealed)
- return -EPERM;
- if (call->header->type != SD_BUS_MESSAGE_TYPE_METHOD_CALL)
- return -EINVAL;
- if (!m)
- return -EINVAL;
- if (bus && bus->state == BUS_UNSET)
- return -ENOTCONN;
+ assert_return(!bus || bus->state != BUS_UNSET, -ENOTCONN);
+ assert_return(call, -EINVAL);
+ assert_return(call->sealed, -EPERM);
+ assert_return(call->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EINVAL);
+ assert_return(m, -EINVAL);
t = message_new(bus, type);
if (!t)
goto fail;
if (call->sender) {
- r = message_append_field_string(t, SD_BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, call->sender, &t->sender);
+ r = message_append_field_string(t, SD_BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, call->sender, &t->destination);
if (r < 0)
goto fail;
}
return r;
}
-int sd_bus_message_new_method_return(
+_public_ int sd_bus_message_new_method_return(
sd_bus *bus,
sd_bus_message *call,
sd_bus_message **m) {
- return message_new_reply(bus, call, SD_BUS_MESSAGE_TYPE_METHOD_RETURN, m);
+ return message_new_reply(bus, call, SD_BUS_MESSAGE_METHOD_RETURN, m);
}
-int sd_bus_message_new_method_error(
+_public_ int sd_bus_message_new_method_error(
sd_bus *bus,
sd_bus_message *call,
const sd_bus_error *e,
sd_bus_message *t;
int r;
- if (!sd_bus_error_is_set(e))
- return -EINVAL;
- if (!m)
- return -EINVAL;
+ assert_return(sd_bus_error_is_set(e), -EINVAL);
+ assert_return(m, -EINVAL);
- r = message_new_reply(bus, call, SD_BUS_MESSAGE_TYPE_METHOD_ERROR, &t);
+ r = message_new_reply(bus, call, SD_BUS_MESSAGE_METHOD_ERROR, &t);
if (r < 0)
return r;
return r;
}
+_public_ int sd_bus_message_new_method_errorf(
+ sd_bus *bus,
+ sd_bus_message *call,
+ sd_bus_message **m,
+ const char *name,
+ const char *format,
+ ...) {
+
+ _cleanup_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ va_list ap;
+ int r;
+
+ assert_return(name, -EINVAL);
+ assert_return(m, -EINVAL);
+
+ va_start(ap, format);
+ r = bus_error_setfv(&error, name, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_new_method_error(bus, call, &error, m);
+}
+
+_public_ int sd_bus_message_new_method_errno(
+ sd_bus *bus,
+ sd_bus_message *call,
+ int error,
+ const sd_bus_error *p,
+ sd_bus_message **m) {
+
+ _cleanup_free_ sd_bus_error berror = SD_BUS_ERROR_NULL;
+
+ if (sd_bus_error_is_set(p))
+ return sd_bus_message_new_method_error(bus, call, p, m);
+
+ sd_bus_error_set_errno(&berror, error);
+
+ return sd_bus_message_new_method_error(bus, call, &berror, m);
+}
+
+_public_ int sd_bus_message_new_method_errnof(
+ sd_bus *bus,
+ sd_bus_message *call,
+ sd_bus_message **m,
+ int error,
+ const char *format,
+ ...) {
+
+ _cleanup_free_ sd_bus_error berror = SD_BUS_ERROR_NULL;
+ va_list ap;
+ int r;
+
+ va_start(ap, format);
+ r = bus_error_set_errnofv(&berror, error, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_new_method_error(bus, call, &berror, m);
+}
+
int bus_message_new_synthetic_error(
sd_bus *bus,
uint64_t serial,
assert(sd_bus_error_is_set(e));
assert(m);
- t = message_new(bus, SD_BUS_MESSAGE_TYPE_METHOD_ERROR);
+ t = message_new(bus, SD_BUS_MESSAGE_METHOD_ERROR);
if (!t)
return -ENOMEM;
goto fail;
}
+ r = message_append_field_string(t, SD_BUS_MESSAGE_HEADER_ERROR_NAME, SD_BUS_TYPE_STRING, e->name, &t->error.name);
+ if (r < 0)
+ goto fail;
+
+ if (e->message) {
+ r = message_append_basic(t, SD_BUS_TYPE_STRING, e->message, (const void**) &t->error.message);
+ if (r < 0)
+ goto fail;
+ }
+
*m = t;
return 0;
return r;
}
-sd_bus_message* sd_bus_message_ref(sd_bus_message *m) {
- if (!m)
- return NULL;
+_public_ sd_bus_message* sd_bus_message_ref(sd_bus_message *m) {
+ assert_return(m, NULL);
assert(m->n_ref > 0);
m->n_ref++;
return m;
}
-sd_bus_message* sd_bus_message_unref(sd_bus_message *m) {
- if (!m)
- return NULL;
+_public_ sd_bus_message* sd_bus_message_unref(sd_bus_message *m) {
+ assert_return(m, NULL);
assert(m->n_ref > 0);
m->n_ref--;
return NULL;
}
-int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type) {
- if (!m)
- return -EINVAL;
- if (!type)
- return -EINVAL;
+_public_ int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type) {
+ assert_return(m, -EINVAL);
+ assert_return(type, -EINVAL);
*type = m->header->type;
return 0;
}
-int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial) {
- if (!m)
- return -EINVAL;
- if (!serial)
- return -EINVAL;
- if (m->header->serial == 0)
- return -ENOENT;
+_public_ int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial) {
+ assert_return(m, -EINVAL);
+ assert_return(serial, -EINVAL);
+ assert_return(m->header->serial != 0, -ENOENT);
*serial = BUS_MESSAGE_SERIAL(m);
return 0;
}
-int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial) {
- if (!m)
- return -EINVAL;
- if (!serial)
- return -EINVAL;
- if (m->reply_serial == 0)
- return -ENOENT;
+_public_ int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial) {
+ assert_return(m, -EINVAL);
+ assert_return(serial, -EINVAL);
+ assert_return(m->reply_serial != 0, -ENOENT);
*serial = m->reply_serial;
return 0;
}
-int sd_bus_message_get_no_reply(sd_bus_message *m) {
- if (!m)
- return -EINVAL;
+_public_ int sd_bus_message_get_no_reply(sd_bus_message *m) {
+ assert_return(m, -EINVAL);
- return m->header->type == SD_BUS_MESSAGE_TYPE_METHOD_CALL ? !!(m->header->flags & SD_BUS_MESSAGE_NO_REPLY_EXPECTED) : 0;
+ return m->header->type == SD_BUS_MESSAGE_METHOD_CALL ? !!(m->header->flags & SD_BUS_MESSAGE_NO_REPLY_EXPECTED) : 0;
}
-const char *sd_bus_message_get_path(sd_bus_message *m) {
- if (!m)
- return NULL;
+_public_ const char *sd_bus_message_get_path(sd_bus_message *m) {
+ assert_return(m, NULL);
return m->path;
}
-const char *sd_bus_message_get_interface(sd_bus_message *m) {
- if (!m)
- return NULL;
+_public_ const char *sd_bus_message_get_interface(sd_bus_message *m) {
+ assert_return(m, NULL);
return m->interface;
}
-const char *sd_bus_message_get_member(sd_bus_message *m) {
- if (!m)
- return NULL;
+_public_ const char *sd_bus_message_get_member(sd_bus_message *m) {
+ assert_return(m, NULL);
return m->member;
}
-const char *sd_bus_message_get_destination(sd_bus_message *m) {
- if (!m)
- return NULL;
+
+_public_ const char *sd_bus_message_get_destination(sd_bus_message *m) {
+ assert_return(m, NULL);
return m->destination;
}
-const char *sd_bus_message_get_sender(sd_bus_message *m) {
- if (!m)
- return NULL;
+_public_ const char *sd_bus_message_get_sender(sd_bus_message *m) {
+ assert_return(m, NULL);
return m->sender;
}
-const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m) {
- if (!m)
- return NULL;
-
- if (!sd_bus_error_is_set(&m->error))
- return NULL;
+_public_ const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m) {
+ assert_return(m, NULL);
+ assert_return(sd_bus_error_is_set(&m->error), NULL);
return &m->error;
}
-int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid) {
- if (!m)
- return -EINVAL;
- if (!uid)
- return -EINVAL;
- if (!m->uid_valid)
- return -ESRCH;
+_public_ int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid) {
+ assert_return(m, -EINVAL);
+ assert_return(uid, -EINVAL);
+ assert_return(m->uid_valid, -ESRCH);
*uid = m->uid;
return 0;
}
-int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid) {
- if (!m)
- return -EINVAL;
- if (!gid)
- return -EINVAL;
- if (!m->gid_valid)
- return -ESRCH;
+_public_ int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid) {
+ assert_return(m, -EINVAL);
+ assert_return(gid, -EINVAL);
+ assert_return(m->gid_valid, -ESRCH);
*gid = m->gid;
return 0;
}
-int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid) {
- if (!m)
- return -EINVAL;
- if (!pid)
- return -EINVAL;
- if (m->pid <= 0)
- return -ESRCH;
+_public_ int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid) {
+ assert_return(m, -EINVAL);
+ assert_return(pid, -EINVAL);
+ assert_return(m->pid > 0, -ESRCH);
*pid = m->pid;
return 0;
}
-int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid) {
- if (!m)
- return -EINVAL;
- if (!tid)
- return -EINVAL;
- if (m->tid <= 0)
- return -ESRCH;
+_public_ int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid) {
+ assert_return(m, -EINVAL);
+ assert_return(tid, -EINVAL);
+ assert_return(m->tid > 0, -ESRCH);
*tid = m->tid;
return 0;
}
-int sd_bus_message_get_pid_starttime(sd_bus_message *m, uint64_t *usec) {
- if (!m)
- return -EINVAL;
- if (!usec)
- return -EINVAL;
- if (m->pid_starttime <= 0)
- return -ESRCH;
+_public_ int sd_bus_message_get_pid_starttime(sd_bus_message *m, uint64_t *usec) {
+ assert_return(m, -EINVAL);
+ assert_return(usec, -EINVAL);
+ assert_return(m->pid_starttime > 0, -ESRCH);
*usec = m->pid_starttime;
return 0;
}
-int sd_bus_message_get_selinux_context(sd_bus_message *m, const char **ret) {
- if (!m)
- return -EINVAL;
- if (!m->label)
- return -ESRCH;
+_public_ int sd_bus_message_get_selinux_context(sd_bus_message *m, const char **ret) {
+ assert_return(m, -EINVAL);
+ assert_return(m->label, -ESRCH);
*ret = m->label;
return 0;
}
-int sd_bus_message_get_monotonic_timestamp(sd_bus_message *m, uint64_t *usec) {
- if (!m)
- return -EINVAL;
- if (!usec)
- return -EINVAL;
- if (m->monotonic <= 0)
- return -ESRCH;
+_public_ int sd_bus_message_get_monotonic_timestamp(sd_bus_message *m, uint64_t *usec) {
+ assert_return(m, -EINVAL);
+ assert_return(usec, -EINVAL);
+ assert_return(m->monotonic > 0, -ESRCH);
*usec = m->monotonic;
return 0;
}
-int sd_bus_message_get_realtime_timestamp(sd_bus_message *m, uint64_t *usec) {
- if (!m)
- return -EINVAL;
- if (!usec)
- return -EINVAL;
- if (m->realtime <= 0)
- return -ESRCH;
+_public_ int sd_bus_message_get_realtime_timestamp(sd_bus_message *m, uint64_t *usec) {
+ assert_return(m, -EINVAL);
+ assert_return(usec, -EINVAL);
+ assert_return(m->realtime > 0, -ESRCH);
*usec = m->realtime;
return 0;
}
-int sd_bus_message_get_comm(sd_bus_message *m, const char **ret) {
- if (!m)
- return -EINVAL;
- if (!ret)
- return -EINVAL;
- if (!m->comm)
- return -ESRCH;
+_public_ int sd_bus_message_get_comm(sd_bus_message *m, const char **ret) {
+ assert_return(m, -EINVAL);
+ assert_return(ret, -EINVAL);
+ assert_return(m->comm, -ESRCH);
*ret = m->comm;
return 0;
}
-int sd_bus_message_get_tid_comm(sd_bus_message *m, const char **ret) {
- if (!m)
- return -EINVAL;
- if (!ret)
- return -EINVAL;
- if (!m->tid_comm)
- return -ESRCH;
+_public_ int sd_bus_message_get_tid_comm(sd_bus_message *m, const char **ret) {
+ assert_return(m, -EINVAL);
+ assert_return(ret, -EINVAL);
+ assert_return(m->tid_comm, -ESRCH);
*ret = m->tid_comm;
return 0;
}
-int sd_bus_message_get_exe(sd_bus_message *m, const char **ret) {
- if (!m)
- return -EINVAL;
- if (!ret)
- return -EINVAL;
- if (!m->exe)
- return -ESRCH;
+_public_ int sd_bus_message_get_exe(sd_bus_message *m, const char **ret) {
+ assert_return(m, -EINVAL);
+ assert_return(ret, -EINVAL);
+ assert_return(m->exe, -ESRCH);
*ret = m->exe;
return 0;
}
-int sd_bus_message_get_cgroup(sd_bus_message *m, const char **ret) {
- if (!m)
- return -EINVAL;
- if (!ret)
- return -EINVAL;
- if (!m->cgroup)
- return -ESRCH;
+_public_ int sd_bus_message_get_cgroup(sd_bus_message *m, const char **ret) {
+ assert_return(m, -EINVAL);
+ assert_return(ret, -EINVAL);
+ assert_return(m->cgroup, -ESRCH);
*ret = m->cgroup;
return 0;
}
-int sd_bus_message_get_unit(sd_bus_message *m, const char **ret) {
+_public_ int sd_bus_message_get_unit(sd_bus_message *m, const char **ret) {
int r;
- if (!m)
- return -EINVAL;
- if (!ret)
- return -EINVAL;
- if (!m->cgroup)
- return -ESRCH;
+ assert_return(m, -EINVAL);
+ assert_return(ret, -EINVAL);
+ assert_return(m->cgroup, -ESRCH);
if (!m->unit) {
r = cg_path_get_unit(m->cgroup, &m->unit);
return 0;
}
-int sd_bus_message_get_user_unit(sd_bus_message *m, const char **ret) {
+_public_ int sd_bus_message_get_user_unit(sd_bus_message *m, const char **ret) {
int r;
- if (!m)
- return -EINVAL;
- if (!ret)
- return -EINVAL;
- if (!m->cgroup)
- return -ESRCH;
+ assert_return(m, -EINVAL);
+ assert_return(ret, -EINVAL);
+ assert_return(m->cgroup, -ESRCH);
if (!m->user_unit) {
r = cg_path_get_user_unit(m->cgroup, &m->user_unit);
return 0;
}
-int sd_bus_message_get_session(sd_bus_message *m, const char **ret) {
+_public_ int sd_bus_message_get_session(sd_bus_message *m, const char **ret) {
int r;
- if (!m)
- return -EINVAL;
- if (!ret)
- return -EINVAL;
- if (!m->cgroup)
- return -ESRCH;
+ assert_return(m, -EINVAL);
+ assert_return(ret, -EINVAL);
+ assert_return(m->cgroup, -ESRCH);
if (!m->session) {
r = cg_path_get_session(m->cgroup, &m->session);
return 0;
}
-int sd_bus_message_get_owner_uid(sd_bus_message *m, uid_t *uid) {
- if (!m)
- return -EINVAL;
- if (!uid)
- return -EINVAL;
- if (!m->cgroup)
- return -ESRCH;
+_public_ int sd_bus_message_get_owner_uid(sd_bus_message *m, uid_t *uid) {
+ assert_return(m, -EINVAL);
+ assert_return(uid, -EINVAL);
+ assert_return(m->cgroup, -ESRCH);
return cg_path_get_owner_uid(m->cgroup, uid);
}
-int sd_bus_message_get_cmdline(sd_bus_message *m, char ***cmdline) {
+_public_ int sd_bus_message_get_cmdline(sd_bus_message *m, char ***cmdline) {
size_t n, i;
const char *p;
bool first;
- if (!m)
- return -EINVAL;
-
- if (!m->cmdline)
- return -ENOENT;
+ assert_return(m, -EINVAL);
+ assert_return(m->cmdline, -ESRCH);
for (p = m->cmdline, n = 0; p < m->cmdline + m->cmdline_length; p++)
if (*p == 0)
return 0;
}
-int sd_bus_message_get_audit_sessionid(sd_bus_message *m, uint32_t *sessionid) {
- if (!m)
- return -EINVAL;
- if (!sessionid)
- return -EINVAL;
- if (!m->audit)
- return -ESRCH;
+_public_ int sd_bus_message_get_audit_sessionid(sd_bus_message *m, uint32_t *sessionid) {
+ assert_return(m, -EINVAL);
+ assert_return(sessionid, -EINVAL);
+ assert_return(m->audit, -ESRCH);
*sessionid = m->audit->sessionid;
return 0;
}
-int sd_bus_message_get_audit_loginuid(sd_bus_message *m, uid_t *uid) {
- if (!m)
- return -EINVAL;
- if (!uid)
- return -EINVAL;
- if (!m->audit)
- return -ESRCH;
+_public_ int sd_bus_message_get_audit_loginuid(sd_bus_message *m, uid_t *uid) {
+ assert_return(m, -EINVAL);
+ assert_return(uid, -EINVAL);
+ assert_return(m->audit, -ESRCH);
*uid = m->audit->loginuid;
return 0;
}
-int sd_bus_message_has_effective_cap(sd_bus_message *m, int capability) {
+_public_ int sd_bus_message_has_effective_cap(sd_bus_message *m, int capability) {
unsigned sz;
- if (!m)
- return -EINVAL;
- if (capability < 0)
- return -EINVAL;
- if (!m->capability)
- return -ESRCH;
+ assert_return(m, -EINVAL);
+ assert_return(capability < 0, -EINVAL);
+ assert_return(!m->capability, -ESRCH);
sz = m->capability_size / 4;
if ((unsigned) capability >= sz*8)
return !!(m->capability[2 * sz + (capability / 8)] & (1 << (capability % 8)));
}
-int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member) {
- if (!m)
- return -EINVAL;
+_public_ int sd_bus_message_is_signal(sd_bus_message *m,
+ const char *interface,
+ const char *member) {
+ assert_return(m, -EINVAL);
- if (m->header->type != SD_BUS_MESSAGE_TYPE_SIGNAL)
+ if (m->header->type != SD_BUS_MESSAGE_SIGNAL)
return 0;
if (interface && (!m->interface || !streq(m->interface, interface)))
return 1;
}
-int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member) {
- if (!m)
- return -EINVAL;
+_public_ int sd_bus_message_is_method_call(sd_bus_message *m,
+ const char *interface,
+ const char *member) {
+ assert_return(m, -EINVAL);
- if (m->header->type != SD_BUS_MESSAGE_TYPE_METHOD_CALL)
+ if (m->header->type != SD_BUS_MESSAGE_METHOD_CALL)
return 0;
if (interface && (!m->interface || !streq(m->interface, interface)))
return 1;
}
-int sd_bus_message_is_method_error(sd_bus_message *m, const char *name) {
- if (!m)
- return -EINVAL;
+_public_ int sd_bus_message_is_method_error(sd_bus_message *m, const char *name) {
+ assert_return(m, -EINVAL);
- if (m->header->type != SD_BUS_MESSAGE_TYPE_METHOD_ERROR)
+ if (m->header->type != SD_BUS_MESSAGE_METHOD_ERROR)
return 0;
if (name && (!m->error.name || !streq(m->error.name, name)))
return 1;
}
-int sd_bus_message_set_no_reply(sd_bus_message *m, int b) {
- if (!m)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (m->header->type != SD_BUS_MESSAGE_TYPE_METHOD_CALL)
- return -EPERM;
+_public_ int sd_bus_message_set_no_reply(sd_bus_message *m, int b) {
+ assert_return(m, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(m->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EPERM);
if (b)
m->header->flags |= SD_BUS_MESSAGE_NO_REPLY_EXPECTED;
part->mapped = psz;
part->data = n;
- part->munmap_this = true;
}
+
+ part->munmap_this = true;
} else {
- n = realloc(part->data, sz);
+ n = realloc(part->data, MAX(sz, 1u));
if (!n) {
m->poisoned = true;
return -ENOMEM;
for (c = m->containers; c < m->containers + m->n_containers; c++)
if (c->array_size)
*c->array_size += expand;
-
}
static void *message_extend_body(sd_bus_message *m, size_t align, size_t sz) {
uint32_t fdi = 0;
int r;
- if (!m)
- return -EINVAL;
- if (!p)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (!bus_type_is_basic(type))
- return -EINVAL;
- if (m->poisoned)
- return -ESTALE;
+ assert_return(m, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(bus_type_is_basic(type), -EINVAL);
+ assert_return(!m->poisoned, -ESTALE);
c = message_get_container(m);
switch (type) {
case SD_BUS_TYPE_STRING:
+ /* To make things easy we'll serialize a NULL string
+ * into the empty string */
+ p = strempty(p);
+
+ /* Fall through... */
case SD_BUS_TYPE_OBJECT_PATH:
+ if (!p) {
+ r = -EINVAL;
+ goto fail;
+ }
+
align = 4;
sz = 4 + strlen(p) + 1;
break;
case SD_BUS_TYPE_SIGNATURE:
+ if (!p) {
+ r = -EINVAL;
+ goto fail;
+ }
+
align = 1;
sz = 1 + strlen(p) + 1;
break;
case SD_BUS_TYPE_BOOLEAN:
+
+ if (!p) {
+ r = -EINVAL;
+ goto fail;
+ }
+
align = sz = 4;
assert_cc(sizeof(int) == sizeof(uint32_t));
case SD_BUS_TYPE_UNIX_FD: {
int z, *f;
+ if (!p) {
+ r = -EINVAL;
+ goto fail;
+ }
+
if (!m->allow_fds) {
r = -ENOTSUP;
goto fail;
}
default:
+ if (!p) {
+ r = -EINVAL;
+ goto fail;
+ }
+
align = bus_type_get_alignment(type);
sz = bus_type_get_size(type);
break;
return r;
}
-int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p) {
+_public_ int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p) {
return message_append_basic(m, type, p, NULL);
}
-int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s) {
+_public_ int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s) {
struct bus_container *c;
void *a;
- if (!m)
- return -EINVAL;
- if (!s)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (m->poisoned)
- return -ESTALE;
+ assert_return(m, -EINVAL);
+ assert_return(s, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(!m->poisoned, -ESTALE);
c = message_get_container(m);
assert(contents);
assert(array_size);
- if (!signature_is_single(contents))
+ if (!signature_is_single(contents, true))
return -EINVAL;
alignment = bus_type_get_alignment(contents[0]);
assert(c);
assert(contents);
- if (!signature_is_single(contents))
+ if (!signature_is_single(contents, false))
return -EINVAL;
if (*contents == SD_BUS_TYPE_DICT_ENTRY_BEGIN)
return 0;
}
-int sd_bus_message_open_container(
+_public_ int sd_bus_message_open_container(
sd_bus_message *m,
char type,
const char *contents) {
size_t before;
int r;
- if (!m)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (!contents)
- return -EINVAL;
- if (m->poisoned)
- return -ESTALE;
+ assert_return(m, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(contents, -EINVAL);
+ assert_return(!m->poisoned, -ESTALE);
/* Make sure we have space for one more container */
w = realloc(m->containers, sizeof(struct bus_container) * (m->n_containers + 1));
return 0;
}
-int sd_bus_message_close_container(sd_bus_message *m) {
+_public_ int sd_bus_message_close_container(sd_bus_message *m) {
struct bus_container *c;
- if (!m)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (m->n_containers <= 0)
- return -EINVAL;
- if (m->poisoned)
- return -ESTALE;
+ assert_return(m, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(m->n_containers > 0, -EINVAL);
+ assert_return(!m->poisoned, -ESTALE);
c = message_get_container(m);
if (c->enclosing != SD_BUS_TYPE_ARRAY)
return 0;
}
-int sd_bus_message_append(sd_bus_message *m, const char *types, ...) {
+_public_ int sd_bus_message_append(sd_bus_message *m, const char *types, ...) {
va_list ap;
int r;
- if (!m)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (m->poisoned)
- return -ESTALE;
- if (!types)
- return 0;
+ assert_return(m, -EINVAL);
+ assert_return(types, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(!m->poisoned, -ESTALE);
va_start(ap, types);
r = bus_message_append_ap(m, types, ap);
return r;
}
-int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr) {
+_public_ int sd_bus_message_append_array_space(sd_bus_message *m,
+ char type,
+ size_t size,
+ void **ptr) {
ssize_t align, sz;
void *a;
int r;
- if (!m)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (!bus_type_is_trivial(type))
- return -EINVAL;
- if (!ptr && size > 0)
- return -EINVAL;
- if (m->poisoned)
- return -ESTALE;
+ assert_return(m, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(bus_type_is_trivial(type), -EINVAL);
+ assert_return(ptr || size == 0, -EINVAL);
+ assert_return(!m->poisoned, -ESTALE);
align = bus_type_get_alignment(type);
sz = bus_type_get_size(type);
return 0;
}
-int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size) {
+_public_ int sd_bus_message_append_array(sd_bus_message *m,
+ char type,
+ const void *ptr,
+ size_t size) {
int r;
void *p;
- if (!ptr && size > 0)
- return -EINVAL;
+ assert_return(m, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(bus_type_is_trivial(type), -EINVAL);
+ assert_return(ptr || size == 0, -EINVAL);
+ assert_return(!m->poisoned, -ESTALE);
r = sd_bus_message_append_array_space(m, type, size, &p);
if (r < 0)
return 0;
}
-int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, sd_memfd *memfd) {
+_public_ int sd_bus_message_append_array_memfd(sd_bus_message *m,
+ char type,
+ sd_memfd *memfd) {
_cleanup_close_ int copy_fd = -1;
struct bus_body_part *part;
ssize_t align, sz;
return sd_bus_message_close_container(m);
}
-int sd_bus_message_append_string_memfd(sd_bus_message *m, sd_memfd *memfd) {
+_public_ int sd_bus_message_append_string_memfd(sd_bus_message *m, sd_memfd *memfd) {
_cleanup_close_ int copy_fd = -1;
struct bus_body_part *part;
struct bus_container *c;
void *a;
int r;
- if (!m)
- return -EINVAL;
- if (!memfd)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (m->poisoned)
- return -ESTALE;
+ assert_return(m, -EINVAL);
+ assert_return(memfd, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(!m->poisoned, -ESTALE);
r = sd_memfd_set_sealed(memfd, true);
if (r < 0)
return 0;
}
-int bus_body_part_map(struct bus_body_part *part) {
- void *p;
- size_t psz;
+_public_ int sd_bus_message_append_strv(sd_bus_message *m, char **l) {
+ char **i;
+ int r;
- assert_se(part);
+ assert_return(m, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(!m->poisoned, -ESTALE);
+
+ r = sd_bus_message_open_container(m, 'a', "s");
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(i, l) {
+ r = sd_bus_message_append_basic(m, 's', *i);
+ if (r < 0)
+ return r;
+ }
+
+ return sd_bus_message_close_container(m);
+}
+
+int bus_body_part_map(struct bus_body_part *part) {
+ void *p;
+ size_t psz;
+
+ assert_se(part);
if (part->data)
return 0;
return 1;
}
+static bool message_end_of_signature(sd_bus_message *m) {
+ struct bus_container *c;
+
+ assert(m);
+
+ c = message_get_container(m);
+ return !c->signature || c->signature[c->index] == 0;
+}
+
static bool message_end_of_array(sd_bus_message *m, size_t index) {
struct bus_container *c;
return index >= c->begin + BUS_MESSAGE_BSWAP32(m, *c->array_size);
}
+_public_ int sd_bus_message_at_end(sd_bus_message *m, int complete) {
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+
+ if (complete && m->n_containers > 0)
+ return false;
+
+ if (message_end_of_signature(m))
+ return true;
+
+ if (message_end_of_array(m, m->rindex))
+ return true;
+
+ return false;
+}
+
static struct bus_body_part* find_part(sd_bus_message *m, size_t index, size_t sz, void **p) {
struct bus_body_part *part;
size_t begin;
return true;
}
-int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p) {
+_public_ int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p) {
struct bus_container *c;
- int r;
void *q;
+ int r;
- if (!m)
- return -EINVAL;
- if (!m->sealed)
- return -EPERM;
- if (!bus_type_is_basic(type))
- return -EINVAL;
- if (!p)
- return -EINVAL;
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(bus_type_is_basic(type), -EINVAL);
- c = message_get_container(m);
+ if (message_end_of_signature(m))
+ return -ENXIO;
- if (!c->signature || c->signature[c->index] == 0)
+ if (message_end_of_array(m, m->rindex))
return 0;
+ c = message_get_container(m);
if (c->signature[c->index] != type)
return -ENXIO;
}
m->rindex = rindex;
- *(const char**) p = q;
+ if (p)
+ *(const char**) p = q;
+
break;
}
return -EBADMSG;
m->rindex = rindex;
- *(const char**) p = q;
+
+ if (p)
+ *(const char**) p = q;
break;
}
switch (type) {
case SD_BUS_TYPE_BYTE:
- *(uint8_t*) p = *(uint8_t*) q;
+ if (p)
+ *(uint8_t*) p = *(uint8_t*) q;
break;
case SD_BUS_TYPE_BOOLEAN:
- *(int*) p = !!*(uint32_t*) q;
+ if (p)
+ *(int*) p = !!*(uint32_t*) q;
break;
case SD_BUS_TYPE_INT16:
case SD_BUS_TYPE_UINT16:
- *(uint16_t*) p = BUS_MESSAGE_BSWAP16(m, *(uint16_t*) q);
+ if (p)
+ *(uint16_t*) p = BUS_MESSAGE_BSWAP16(m, *(uint16_t*) q);
break;
case SD_BUS_TYPE_INT32:
case SD_BUS_TYPE_UINT32:
- *(uint32_t*) p = BUS_MESSAGE_BSWAP32(m, *(uint32_t*) q);
+ if (p)
+ *(uint32_t*) p = BUS_MESSAGE_BSWAP32(m, *(uint32_t*) q);
break;
case SD_BUS_TYPE_INT64:
case SD_BUS_TYPE_UINT64:
case SD_BUS_TYPE_DOUBLE:
- *(uint64_t*) p = BUS_MESSAGE_BSWAP64(m, *(uint64_t*) q);
+ if (p)
+ *(uint64_t*) p = BUS_MESSAGE_BSWAP64(m, *(uint64_t*) q);
break;
case SD_BUS_TYPE_UNIX_FD: {
if (j >= m->n_fds)
return -EBADMSG;
- *(int*) p = m->fds[j];
+ if (p)
+ *(int*) p = m->fds[j];
break;
}
assert(contents);
assert(array_size);
- if (!signature_is_single(contents))
+ if (!signature_is_single(contents, true))
return -EINVAL;
alignment = bus_type_get_alignment(contents[0]);
assert(c);
assert(contents);
- if (!signature_is_single(contents))
+ if (!signature_is_single(contents, false))
return -EINVAL;
if (*contents == SD_BUS_TYPE_DICT_ENTRY_BEGIN)
return 1;
}
-int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents) {
+_public_ int sd_bus_message_enter_container(sd_bus_message *m,
+ char type,
+ const char *contents) {
struct bus_container *c, *w;
uint32_t *array_size = NULL;
char *signature;
size_t before;
int r;
- if (!m)
- return -EINVAL;
- if (!m->sealed)
- return -EPERM;
- if (!contents)
- return -EINVAL;
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(type != 0 || !contents, -EINVAL);
+
+ if (type == 0 || !contents) {
+ const char *cc;
+ char tt;
+
+ /* Allow entering into anonymous containers */
+ r = sd_bus_message_peek_type(m, &tt, &cc);
+ if (r <= 0)
+ return r;
+
+ if (type != 0 && type != tt)
+ return -ENXIO;
+
+ if (contents && !streq(contents, cc))
+ return -ENXIO;
+
+ type = tt;
+ contents = cc;
+ }
/*
* We enforce a global limit on container depth, that is much
return -ENOMEM;
m->containers = w;
- c = message_get_container(m);
+ if (message_end_of_signature(m))
+ return -ENXIO;
- if (!c->signature || c->signature[c->index] == 0)
+ if (message_end_of_array(m, m->rindex))
return 0;
+ c = message_get_container(m);
+
signature = strdup(contents);
if (!signature)
return -ENOMEM;
return 1;
}
-int sd_bus_message_exit_container(sd_bus_message *m) {
+_public_ int sd_bus_message_exit_container(sd_bus_message *m) {
struct bus_container *c;
- if (!m)
- return -EINVAL;
- if (!m->sealed)
- return -EPERM;
- if (m->n_containers <= 0)
- return -EINVAL;
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(m->n_containers > 0, -ENOENT);
c = message_get_container(m);
if (c->enclosing == SD_BUS_TYPE_ARRAY) {
c->index = c->saved_index;
}
-int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents) {
+_public_ int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents) {
struct bus_container *c;
int r;
- if (!m)
- return -EINVAL;
- if (!m->sealed)
- return -EPERM;
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
- c = message_get_container(m);
-
- if (!c->signature || c->signature[c->index] == 0)
+ if (message_end_of_signature(m))
goto eof;
if (message_end_of_array(m, m->rindex))
goto eof;
+ c = message_get_container(m);
+
if (bus_type_is_basic(c->signature[c->index])) {
if (contents)
*contents = NULL;
eof:
if (type)
- *type = c->enclosing;
+ *type = 0;
if (contents)
*contents = NULL;
return 0;
}
-int sd_bus_message_rewind(sd_bus_message *m, int complete) {
+_public_ int sd_bus_message_rewind(sd_bus_message *m, int complete) {
struct bus_container *c;
- if (!m)
- return -EINVAL;
- if (!m->sealed)
- return -EPERM;
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
if (complete) {
message_reset_containers(m);
unsigned n_array, n_struct;
TypeStack stack[BUS_CONTAINER_DEPTH];
unsigned stack_ptr = 0;
+ unsigned n_loop = 0;
int r;
assert(m);
- if (!types)
+ if (isempty(types))
return 0;
/* Ideally, we'd just call ourselves recursively on every
* in a single stackframe. We hence implement our own
* home-grown stack in an array. */
- n_array = (unsigned) -1;
- n_struct = strlen(types);
+ n_array = (unsigned) -1; /* lenght of current array entries */
+ n_struct = strlen(types); /* length of current struct contents signature */
for (;;) {
const char *t;
+ n_loop++;
+
if (n_array == 0 || (n_array == (unsigned) -1 && n_struct == 0)) {
r = type_stack_pop(stack, ELEMENTSOF(stack), &stack_ptr, &types, &n_struct, &n_array);
if (r < 0)
r = sd_bus_message_read_basic(m, *t, p);
if (r < 0)
return r;
- if (r == 0)
+ if (r == 0) {
+ if (n_loop <= 1)
+ return 0;
+
return -ENXIO;
+ }
break;
}
r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, s);
if (r < 0)
return r;
- if (r == 0)
+ if (r == 0) {
+ if (n_loop <= 1)
+ return 0;
+
return -ENXIO;
+ }
}
if (n_array == (unsigned) -1) {
r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, s);
if (r < 0)
return r;
- if (r == 0)
+ if (r == 0) {
+ if (n_loop <= 1)
+ return 0;
+
return -ENXIO;
+ }
r = type_stack_push(stack, ELEMENTSOF(stack), &stack_ptr, types, n_struct, n_array);
if (r < 0)
r = sd_bus_message_enter_container(m, *t == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY, s);
if (r < 0)
return r;
- if (r == 0)
+ if (r == 0) {
+ if (n_loop <= 1)
+ return 0;
return -ENXIO;
+ }
}
if (n_array == (unsigned) -1) {
return 1;
}
-int sd_bus_message_read(sd_bus_message *m, const char *types, ...) {
+_public_ int sd_bus_message_read(sd_bus_message *m, const char *types, ...) {
va_list ap;
int r;
- if (!m)
- return -EINVAL;
- if (!m->sealed)
- return -EPERM;
- if (!types)
- return -EINVAL;
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(types, -EINVAL);
va_start(ap, types);
r = message_read_ap(m, types, ap);
return r;
}
-int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size) {
+_public_ int sd_bus_message_skip(sd_bus_message *m, const char *types) {
+ int r;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(types, -EINVAL);
+
+ if (isempty(types))
+ return 0;
+
+ switch (*types) {
+
+ case SD_BUS_TYPE_BYTE:
+ case SD_BUS_TYPE_BOOLEAN:
+ case SD_BUS_TYPE_INT16:
+ case SD_BUS_TYPE_UINT16:
+ case SD_BUS_TYPE_INT32:
+ case SD_BUS_TYPE_UINT32:
+ case SD_BUS_TYPE_INT64:
+ case SD_BUS_TYPE_UINT64:
+ case SD_BUS_TYPE_DOUBLE:
+ case SD_BUS_TYPE_STRING:
+ case SD_BUS_TYPE_OBJECT_PATH:
+ case SD_BUS_TYPE_SIGNATURE:
+ case SD_BUS_TYPE_UNIX_FD:
+
+ r = sd_bus_message_read_basic(m, *types, NULL);
+ if (r <= 0)
+ return r;
+
+ r = sd_bus_message_skip(m, types + 1);
+ if (r < 0)
+ return r;
+
+ return 1;
+
+ case SD_BUS_TYPE_ARRAY: {
+ size_t k;
+
+ r = signature_element_length(types + 1, &k);
+ if (r < 0)
+ return r;
+
+ {
+ char s[k+1];
+ memcpy(s, types+1, k);
+ s[k] = 0;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, s);
+ if (r <= 0)
+ return r;
+
+ for (;;) {
+ r = sd_bus_message_skip(m, s);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_skip(m, types + 1 + k);
+ if (r < 0)
+ return r;
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_VARIANT: {
+ const char *contents;
+ char x;
+
+ r = sd_bus_message_peek_type(m, &x, &contents);
+ if (r <= 0)
+ return r;
+
+ if (x != SD_BUS_TYPE_VARIANT)
+ return -ENXIO;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, contents);
+ if (r <= 0)
+ return r;
+
+ r = sd_bus_message_skip(m, contents);
+ if (r < 0)
+ return r;
+ assert(r != 0);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_skip(m, types + 1);
+ if (r < 0)
+ return r;
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_STRUCT_BEGIN:
+ case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
+ size_t k;
+
+ r = signature_element_length(types, &k);
+ if (r < 0)
+ return r;
+
+ {
+ char s[k-1];
+ memcpy(s, types+1, k-2);
+ s[k-2] = 0;
+
+ r = sd_bus_message_enter_container(m, *types == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY, s);
+ if (r <= 0)
+ return r;
+
+ r = sd_bus_message_skip(m, s);
+ if (r < 0)
+ return r;
+ assert(r != 0);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_skip(m, types + k);
+ if (r < 0)
+ return r;
+
+ return 1;
+ }
+
+ default:
+ return -EINVAL;
+ }
+}
+
+_public_ int sd_bus_message_read_array(sd_bus_message *m,
+ char type,
+ const void **ptr,
+ size_t *size) {
struct bus_container *c;
void *p;
size_t sz;
ssize_t align;
int r;
- if (!m)
- return -EINVAL;
- if (!m->sealed)
- return -EPERM;
- if (!bus_type_is_trivial(type))
- return -EINVAL;
- if (!ptr)
- return -EINVAL;
- if (!size)
- return -EINVAL;
- if (BUS_MESSAGE_NEED_BSWAP(m))
- return -ENOTSUP;
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(bus_type_is_trivial(type), -EINVAL);
+ assert_return(ptr, -EINVAL);
+ assert_return(size, -EINVAL);
+ assert_return(!BUS_MESSAGE_NEED_BSWAP(m), -ENOTSUP);
align = bus_type_get_alignment(type);
if (align < 0)
c = message_get_container(m);
sz = BUS_MESSAGE_BSWAP32(m, *c->array_size);
- r = message_peek_body(m, &m->rindex, align, sz, &p);
- if (r < 0)
- goto fail;
- if (r == 0) {
- r = -EBADMSG;
- goto fail;
+ if (sz == 0)
+ /* Zero length array, let's return some aligned
+ * pointer that is not NULL */
+ p = (uint8_t*) NULL + align;
+ else {
+ r = message_peek_body(m, &m->rindex, align, sz, &p);
+ if (r < 0)
+ goto fail;
+ if (r == 0) {
+ r = -EBADMSG;
+ goto fail;
+ }
}
r = sd_bus_message_exit_container(m);
if (!streq(signature, "s"))
return -EBADMSG;
- r = message_peek_field_string(m, service_name_is_valid, &ri, &m->destination);
+ r = message_peek_field_string(m, sender_name_is_valid, &ri, &m->destination);
break;
case SD_BUS_MESSAGE_HEADER_SENDER:
if (!streq(signature, "s"))
return -EBADMSG;
- r = message_peek_field_string(m, service_name_is_valid, &ri, &m->sender);
+ r = message_peek_field_string(m, sender_name_is_valid, &ri, &m->sender);
break;
switch (m->header->type) {
- case SD_BUS_MESSAGE_TYPE_SIGNAL:
+ case SD_BUS_MESSAGE_SIGNAL:
if (!m->path || !m->interface || !m->member)
return -EBADMSG;
break;
- case SD_BUS_MESSAGE_TYPE_METHOD_CALL:
+ case SD_BUS_MESSAGE_METHOD_CALL:
if (!m->path || !m->member)
return -EBADMSG;
break;
- case SD_BUS_MESSAGE_TYPE_METHOD_RETURN:
+ case SD_BUS_MESSAGE_METHOD_RETURN:
if (m->reply_serial == 0)
return -EBADMSG;
break;
- case SD_BUS_MESSAGE_TYPE_METHOD_ERROR:
+ case SD_BUS_MESSAGE_METHOD_ERROR:
if (m->reply_serial == 0 || !m->error.name)
return -EBADMSG;
}
/* Try to read the error message, but if we can't it's a non-issue */
- if (m->header->type == SD_BUS_MESSAGE_TYPE_METHOD_ERROR)
+ if (m->header->type == SD_BUS_MESSAGE_METHOD_ERROR)
sd_bus_message_read(m, "s", &m->error.message);
return 0;
/* If this is something we can send as memfd, then let's seal
the memfd now. Note that we can send memfds as payload only
for directed messages, and not for broadcasts. */
- if (m->destination) {
+ if (m->destination && m->bus && m->bus->use_memfd) {
MESSAGE_FOREACH_PART(part, i, m)
- if (part->memfd >= 0 && !part->sealed && part->size > MEMFD_MIN_SIZE) {
+ if (part->memfd >= 0 && !part->sealed && (part->size > MEMFD_MIN_SIZE || m->bus->use_memfd < 0)) {
bus_body_part_unmap(part);
if (ioctl(part->memfd, KDBUS_CMD_MEMFD_SEAL_SET, 1) >= 0)
return 0;
}
-int sd_bus_message_set_destination(sd_bus_message *m, const char *destination) {
- if (!m)
- return -EINVAL;
- if (!destination)
- return -EINVAL;
- if (m->sealed)
- return -EPERM;
- if (m->destination)
- return -EEXIST;
+_public_ int sd_bus_message_set_destination(sd_bus_message *m, const char *destination) {
+ assert_return(m, -EINVAL);
+ assert_return(destination, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(!m->destination, -EEXIST);
return message_append_field_string(m, SD_BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, destination, &m->destination);
}
-int bus_message_dump(sd_bus_message *m) {
+int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
const char *u = NULL, *uu = NULL, *s = NULL;
char **cmdline = NULL;
unsigned level = 1;
assert(m);
- printf("Message %p\n"
- "\tn_ref=%u\n"
- "\tendian=%c\n"
- "\ttype=%i\n"
- "\tflags=%u\n"
- "\tversion=%u\n"
- "\tserial=%u\n"
- "\tfields_size=%u\n"
- "\tbody_size=%u\n"
- "\tpath=%s\n"
- "\tinterface=%s\n"
- "\tmember=%s\n"
- "\tdestination=%s\n"
- "\tsender=%s\n"
- "\tsignature=%s\n"
- "\treply_serial=%u\n"
- "\terror.name=%s\n"
- "\terror.message=%s\n"
- "\tsealed=%s\n"
- "\tn_body_parts=%u\n",
- m,
- m->n_ref,
- m->header->endian,
- m->header->type,
- m->header->flags,
- m->header->version,
- BUS_MESSAGE_SERIAL(m),
- BUS_MESSAGE_FIELDS_SIZE(m),
- BUS_MESSAGE_BODY_SIZE(m),
- strna(m->path),
- strna(m->interface),
- strna(m->member),
- strna(m->destination),
- strna(m->sender),
- strna(m->root_container.signature),
- m->reply_serial,
- strna(m->error.name),
- strna(m->error.message),
- yes_no(m->sealed),
- m->n_body_parts);
-
- if (m->pid != 0)
- printf("\tpid=%lu\n", (unsigned long) m->pid);
- if (m->tid != 0)
- printf("\ttid=%lu\n", (unsigned long) m->tid);
- if (m->uid_valid)
- printf("\tuid=%lu\n", (unsigned long) m->uid);
- if (m->gid_valid)
- printf("\tgid=%lu\n", (unsigned long) m->gid);
- if (m->pid_starttime != 0)
- printf("\tpid_starttime=%llu\n", (unsigned long long) m->pid_starttime);
- if (m->monotonic != 0)
- printf("\tmonotonic=%llu\n", (unsigned long long) m->monotonic);
- if (m->realtime != 0)
- printf("\trealtime=%llu\n", (unsigned long long) m->realtime);
- if (m->exe)
- printf("\texe=[%s]\n", m->exe);
- if (m->comm)
- printf("\tcomm=[%s]\n", m->comm);
- if (m->tid_comm)
- printf("\ttid_comm=[%s]\n", m->tid_comm);
- if (m->label)
- printf("\tlabel=[%s]\n", m->label);
- if (m->cgroup)
- printf("\tcgroup=[%s]\n", m->cgroup);
-
- sd_bus_message_get_unit(m, &u);
- if (u)
- printf("\tunit=[%s]\n", u);
- sd_bus_message_get_user_unit(m, &uu);
- if (uu)
- printf("\tuser_unit=[%s]\n", uu);
- sd_bus_message_get_session(m, &s);
- if (s)
- printf("\tsession=[%s]\n", s);
- if (sd_bus_message_get_owner_uid(m, &owner) >= 0)
- printf("\towner_uid=%lu\n", (unsigned long) owner);
- if (sd_bus_message_get_audit_loginuid(m, &audit_loginuid) >= 0)
- printf("\taudit_loginuid=%lu\n", (unsigned long) audit_loginuid);
- if (sd_bus_message_get_audit_sessionid(m, &audit_sessionid) >= 0)
- printf("\taudit_sessionid=%lu\n", (unsigned long) audit_sessionid);
-
- printf("\tCAP_KILL=%i\n", sd_bus_message_has_effective_cap(m, 5));
-
- if (sd_bus_message_get_cmdline(m, &cmdline) >= 0) {
- char **c;
-
- fputs("\tcmdline=[", stdout);
- STRV_FOREACH(c, cmdline) {
- if (c != cmdline)
- putchar(' ');
-
- fputs(*c, stdout);
- }
+ if (!f)
+ f = stdout;
+
+ if (with_header) {
+ fprintf(f,
+ "Message %p\n"
+ "\tn_ref=%u\n"
+ "\tendian=%c\n"
+ "\ttype=%i\n"
+ "\tflags=%u\n"
+ "\tversion=%u\n"
+ "\tserial=%u\n"
+ "\tfields_size=%u\n"
+ "\tbody_size=%u\n"
+ "\tpath=%s\n"
+ "\tinterface=%s\n"
+ "\tmember=%s\n"
+ "\tdestination=%s\n"
+ "\tsender=%s\n"
+ "\tsignature=%s\n"
+ "\treply_serial=%u\n"
+ "\tsealed=%s\n"
+ "\tn_body_parts=%u\n",
+ m,
+ m->n_ref,
+ m->header->endian,
+ m->header->type,
+ m->header->flags,
+ m->header->version,
+ BUS_MESSAGE_SERIAL(m),
+ BUS_MESSAGE_FIELDS_SIZE(m),
+ BUS_MESSAGE_BODY_SIZE(m),
+ strna(m->path),
+ strna(m->interface),
+ strna(m->member),
+ strna(m->destination),
+ strna(m->sender),
+ strna(m->root_container.signature),
+ m->reply_serial,
+ yes_no(m->sealed),
+ m->n_body_parts);
+
+ if (sd_bus_error_is_set(&m->error))
+ fprintf(f,
+ "\terror.name=%s\n"
+ "\terror.message=%s\n",
+ strna(m->error.name),
+ strna(m->error.message));
+
+ if (m->pid != 0)
+ fprintf(f, "\tpid=%lu\n", (unsigned long) m->pid);
+ if (m->tid != 0)
+ fprintf(f, "\ttid=%lu\n", (unsigned long) m->tid);
+ if (m->uid_valid)
+ fprintf(f, "\tuid=%lu\n", (unsigned long) m->uid);
+ if (m->gid_valid)
+ fprintf(f, "\tgid=%lu\n", (unsigned long) m->gid);
+ if (m->pid_starttime != 0)
+ fprintf(f, "\tpid_starttime=%llu\n", (unsigned long long) m->pid_starttime);
+ if (m->monotonic != 0)
+ fprintf(f, "\tmonotonic=%llu\n", (unsigned long long) m->monotonic);
+ if (m->realtime != 0)
+ fprintf(f, "\trealtime=%llu\n", (unsigned long long) m->realtime);
+ if (m->exe)
+ fprintf(f, "\texe=[%s]\n", m->exe);
+ if (m->comm)
+ fprintf(f, "\tcomm=[%s]\n", m->comm);
+ if (m->tid_comm)
+ fprintf(f, "\ttid_comm=[%s]\n", m->tid_comm);
+ if (m->label)
+ fprintf(f, "\tlabel=[%s]\n", m->label);
+ if (m->cgroup)
+ fprintf(f, "\tcgroup=[%s]\n", m->cgroup);
+
+ sd_bus_message_get_unit(m, &u);
+ if (u)
+ fprintf(f, "\tunit=[%s]\n", u);
+ sd_bus_message_get_user_unit(m, &uu);
+ if (uu)
+ fprintf(f, "\tuser_unit=[%s]\n", uu);
+ sd_bus_message_get_session(m, &s);
+ if (s)
+ fprintf(f, "\tsession=[%s]\n", s);
+ if (sd_bus_message_get_owner_uid(m, &owner) >= 0)
+ fprintf(f, "\towner_uid=%lu\n", (unsigned long) owner);
+ if (sd_bus_message_get_audit_loginuid(m, &audit_loginuid) >= 0)
+ fprintf(f, "\taudit_loginuid=%lu\n", (unsigned long) audit_loginuid);
+ if (sd_bus_message_get_audit_sessionid(m, &audit_sessionid) >= 0)
+ fprintf(f, "\taudit_sessionid=%lu\n", (unsigned long) audit_sessionid);
+
+ r = sd_bus_message_has_effective_cap(m, 5);
+ if (r >= 0)
+ fprintf(f, "\tCAP_KILL=%s\n", yes_no(r));
+
+ if (sd_bus_message_get_cmdline(m, &cmdline) >= 0) {
+ char **c;
+
+ fputs("\tcmdline=[", f);
+ STRV_FOREACH(c, cmdline) {
+ if (c != cmdline)
+ fputc(' ', f);
+
+ fputs(*c, f);
+ }
- fputs("]\n", stdout);
+ fputs("]\n", f);
+ }
}
r = sd_bus_message_rewind(m, true);
return r;
}
- printf("BEGIN_MESSAGE \"%s\" {\n", strempty(m->root_container.signature));
+ fprintf(f, "MESSAGE \"%s\" {\n", strempty(m->root_container.signature));
for(;;) {
_cleanup_free_ char *prefix = NULL;
log_error("Failed to peek type: %s", strerror(-r));
return r;
}
+
if (r == 0) {
if (level <= 1)
break;
if (!prefix)
return log_oom();
- if (type == SD_BUS_TYPE_ARRAY)
- printf("%s} END_ARRAY \n", prefix);
- else if (type == SD_BUS_TYPE_VARIANT)
- printf("%s} END_VARIANT\n", prefix);
- else if (type == SD_BUS_TYPE_STRUCT)
- printf("%s} END_STRUCT\n", prefix);
- else if (type == SD_BUS_TYPE_DICT_ENTRY)
- printf("%s} END_DICT_ENTRY\n", prefix);
-
+ fprintf(f, "%s};\n", prefix);
continue;
}
}
if (type == SD_BUS_TYPE_ARRAY)
- printf("%sBEGIN_ARRAY \"%s\" {\n", prefix, contents);
+ fprintf(f, "%sARRAY \"%s\" {\n", prefix, contents);
else if (type == SD_BUS_TYPE_VARIANT)
- printf("%sBEGIN_VARIANT \"%s\" {\n", prefix, contents);
+ fprintf(f, "%sVARIANT \"%s\" {\n", prefix, contents);
else if (type == SD_BUS_TYPE_STRUCT)
- printf("%sBEGIN_STRUCT \"%s\" {\n", prefix, contents);
+ fprintf(f, "%sSTRUCT \"%s\" {\n", prefix, contents);
else if (type == SD_BUS_TYPE_DICT_ENTRY)
- printf("%sBEGIN_DICT_ENTRY \"%s\" {\n", prefix, contents);
+ fprintf(f, "%sDICT_ENTRY \"%s\" {\n", prefix, contents);
level ++;
return r;
}
+ assert(r > 0);
+
switch (type) {
case SD_BUS_TYPE_BYTE:
- printf("%sBYTE: %u\n", prefix, basic.u8);
+ fprintf(f, "%sBYTE %u;\n", prefix, basic.u8);
break;
case SD_BUS_TYPE_BOOLEAN:
- printf("%sBOOLEAN: %s\n", prefix, yes_no(basic.i));
+ fprintf(f, "%sBOOLEAN %s;\n", prefix, yes_no(basic.i));
break;
case SD_BUS_TYPE_INT16:
- printf("%sINT16: %i\n", prefix, basic.s16);
+ fprintf(f, "%sINT16 %i;\n", prefix, basic.s16);
break;
case SD_BUS_TYPE_UINT16:
- printf("%sUINT16: %u\n", prefix, basic.u16);
+ fprintf(f, "%sUINT16 %u;\n", prefix, basic.u16);
break;
case SD_BUS_TYPE_INT32:
- printf("%sINT32: %i\n", prefix, basic.s32);
+ fprintf(f, "%sINT32 %i;\n", prefix, basic.s32);
break;
case SD_BUS_TYPE_UINT32:
- printf("%sUINT32: %u\n", prefix, basic.u32);
+ fprintf(f, "%sUINT32 %u;\n", prefix, basic.u32);
break;
case SD_BUS_TYPE_INT64:
- printf("%sINT64: %lli\n", prefix, (long long) basic.s64);
+ fprintf(f, "%sINT64 %lli;\n", prefix, (long long) basic.s64);
break;
case SD_BUS_TYPE_UINT64:
- printf("%sUINT64: %llu\n", prefix, (unsigned long long) basic.u64);
+ fprintf(f, "%sUINT64 %llu;\n", prefix, (unsigned long long) basic.u64);
break;
case SD_BUS_TYPE_DOUBLE:
- printf("%sDOUBLE: %g\n", prefix, basic.d64);
+ fprintf(f, "%sDOUBLE %g;\n", prefix, basic.d64);
break;
case SD_BUS_TYPE_STRING:
- printf("%sSTRING: \"%s\"\n", prefix, basic.string);
+ fprintf(f, "%sSTRING \"%s\";\n", prefix, basic.string);
break;
case SD_BUS_TYPE_OBJECT_PATH:
- printf("%sOBJECT_PATH: \"%s\"\n", prefix, basic.string);
+ fprintf(f, "%sOBJECT_PATH \"%s\";\n", prefix, basic.string);
break;
case SD_BUS_TYPE_SIGNATURE:
- printf("%sSIGNATURE: \"%s\"\n", prefix, basic.string);
+ fprintf(f, "%sSIGNATURE \"%s\";\n", prefix, basic.string);
break;
case SD_BUS_TYPE_UNIX_FD:
- printf("%sUNIX_FD: %i\n", prefix, basic.i);
+ fprintf(f, "%sUNIX_FD %i;\n", prefix, basic.i);
break;
default:
}
}
- printf("} END_MESSAGE\n");
+ fprintf(f, "};\n");
return 0;
}
assert(l);
r = sd_bus_message_enter_container(m, 'a', "s");
- if (r < 0)
+ if (r <= 0)
return r;
for (;;) {
if (r < 0)
return r;
- return 0;
+ return 1;
+}
+
+_public_ int sd_bus_message_read_strv(sd_bus_message *m, char ***l) {
+ char **strv = NULL;
+ int r;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(l, -EINVAL);
+
+ r = bus_message_read_strv_extend(m, &strv);
+ if (r <= 0) {
+ strv_free(strv);
+ return r;
+ }
+
+ *l = strv;
+ return 1;
}
const char* bus_message_get_arg(sd_bus_message *m, unsigned i) {
return 0;
}
-int bus_message_to_errno(sd_bus_message *m) {
- assert(m);
+_public_ int sd_bus_message_get_errno(sd_bus_message *m) {
+ assert_return(m, -EINVAL);
+
+ if (m->header->type != SD_BUS_MESSAGE_METHOD_ERROR)
+ return 0;
+
+ return sd_bus_error_get_errno(&m->error);
+}
+
+_public_ const char* sd_bus_message_get_signature(sd_bus_message *m, int complete) {
+ struct bus_container *c;
+
+ assert_return(m, NULL);
+
+ c = complete ? &m->root_container : message_get_container(m);
+ return c->signature ?: "";
+}
+
+_public_ int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all) {
+ bool done_something = false;
+ int r;
+
+ assert_return(m, -EINVAL);
+ assert_return(source, -EINVAL);
+ assert_return(!m->sealed, -EPERM);
+ assert_return(source->sealed, -EPERM);
+
+ do {
+ const char *contents;
+ char type;
+ union {
+ uint8_t u8;
+ uint16_t u16;
+ int16_t s16;
+ uint32_t u32;
+ int32_t s32;
+ uint64_t u64;
+ int64_t s64;
+ double d64;
+ const char *string;
+ int i;
+ } basic;
+
+ r = sd_bus_message_peek_type(source, &type, &contents);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ done_something = true;
+
+ if (bus_type_is_container(type) > 0) {
- if (m->header->type != SD_BUS_MESSAGE_TYPE_METHOD_ERROR)
+ r = sd_bus_message_enter_container(source, type, contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(m, type, contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_copy(m, source, true);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(source);
+ if (r < 0)
+ return r;
+
+ continue;
+ }
+
+ r = sd_bus_message_read_basic(source, type, &basic);
+ if (r < 0)
+ return r;
+
+ assert(r > 0);
+
+ if (type == SD_BUS_TYPE_OBJECT_PATH ||
+ type == SD_BUS_TYPE_SIGNATURE ||
+ type == SD_BUS_TYPE_STRING)
+ r = sd_bus_message_append_basic(m, type, basic.string);
+ else
+ r = sd_bus_message_append_basic(m, type, &basic);
+
+ if (r < 0)
+ return r;
+
+ } while (all);
+
+ return done_something;
+}
+
+_public_ int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents) {
+ const char *c;
+ char t;
+ int r;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->sealed, -EPERM);
+ assert_return(!type || bus_type_is_valid(type), -EINVAL);
+ assert_return(!contents || signature_is_valid(contents, true), -EINVAL);
+ assert_return(type || contents, -EINVAL);
+ assert_return(!contents || !type || bus_type_is_container(type), -EINVAL);
+
+ r = sd_bus_message_peek_type(m, &t, &c);
+ if (r <= 0)
+ return r;
+
+ if (type != 0 && type != t)
+ return 0;
+
+ if (contents && !streq_ptr(contents, c))
return 0;
- return bus_error_to_errno(&m->error);
+ return 1;
}
~ianmdlvl / elogind.git / blobdiff