static int handle_pool4_display(struct pool4 *pool, struct genl_info *info,
union request_pool4 *request)
{
struct nlcore_buffer buffer;
struct pool4_sample *offset = NULL;
int error = 0;
log_debug("Sending pool4 to userspace.");
error = nlbuffer_init_response(&buffer, info, nlbuffer_response_max_size());
if (error)
return nlcore_respond(info, error);
if (request->display.offset_set)
offset = &request->display.offset;
error = pool4db_foreach_sample(pool, request->display.proto,
pool4_to_usr, &buffer, offset);
nlbuffer_set_pending_data(&buffer, error > 0);
error = (error >= 0)
? nlbuffer_send(info, &buffer)
: nlcore_respond(info, error);
nlbuffer_clean(&buffer);
return error;
}
static int handle_eamt_display(struct eam_table *eamt, struct genl_info *info,
union request_eamt *request)
{
struct nlcore_buffer buffer;
struct ipv4_prefix *prefix4;
int error;
log_debug("Sending EAMT to userspace.");
error = nlbuffer_init_response(&buffer, info, nlbuffer_response_max_size());
if (error)
nlcore_respond(info, error);
prefix4 = request->display.prefix4_set ? &request->display.prefix4 : NULL;
error = eamt_foreach(eamt, eam_entry_to_userspace, &buffer, prefix4);
nlbuffer_set_pending_data(&buffer, error > 0);
error = (error >= 0)
? nlbuffer_send(info, &buffer)
: nlcore_respond(info, error);
nlbuffer_clean(&buffer);
return error;
}
static int handle_session_display(struct bib *db, struct genl_info *info,
struct request_session *request)
{
struct nlcore_buffer buffer;
struct session_foreach_func func = {
.cb = session_entry_to_userspace,
.arg = &buffer,
};
struct session_foreach_offset offset_struct;
struct session_foreach_offset *offset = NULL;
int error;
if (verify_superpriv())
return nlcore_respond(info, -EPERM);
log_debug("Sending session table to userspace.");
error = nlbuffer_init_response(&buffer, info, nlbuffer_response_max_size());
if (error)
return nlcore_respond(info, error);
if (request->display.offset_set) {
offset_struct.offset = request->display.offset;
offset_struct.include_offset = false;
offset = &offset_struct;
}
error = bib_foreach_session(db, request->l4_proto, &func, offset);
nlbuffer_set_pending_data(&buffer, error > 0);
error = (error >= 0)
? nlbuffer_send(info, &buffer)
: nlcore_respond(info, error);
nlbuffer_free(&buffer);
return error;
}
