int
qdevice_heuristics_cmd_write_exec_list(struct qdevice_heuristics_instance *instance,
const struct qdevice_heuristics_exec_list *new_exec_list)
{
struct send_buffer_list_entry *send_buffer;
struct qdevice_heuristics_exec_list_entry *entry;
send_buffer = send_buffer_list_get_new(&instance->cmd_out_buffer_list);
if (send_buffer == NULL) {
qdevice_log(LOG_ERR, "Can't alloc send list for cmd change exec list");
return (-1);
}
if (dynar_str_cpy(&send_buffer->buffer, QDEVICE_HEURISTICS_CMD_STR_EXEC_LIST_CLEAR) == -1 ||
dynar_str_cat(&send_buffer->buffer, "\n") == -1) {
qdevice_log(LOG_ERR, "Can't alloc list clear message");
send_buffer_list_discard_new(&instance->cmd_out_buffer_list, send_buffer);
return (-1);
}
send_buffer_list_put(&instance->cmd_out_buffer_list, send_buffer);
if (new_exec_list == NULL) {
return (0);
}
/*
* new_exec_list is not NULL, send it
*/
TAILQ_FOREACH(entry, new_exec_list, entries) {
send_buffer = send_buffer_list_get_new(&instance->cmd_out_buffer_list);
if (send_buffer == NULL) {
qdevice_log(LOG_ERR, "Can't alloc send list for cmd change exec list");
return (-1);
}
if (dynar_str_cpy(&send_buffer->buffer,
QDEVICE_HEURISTICS_CMD_STR_EXEC_LIST_ADD_SPACE) == -1 ||
dynar_str_cat(&send_buffer->buffer, entry->name) == -1 ||
dynar_str_cat(&send_buffer->buffer, " ") == -1 ||
dynar_str_cat(&send_buffer->buffer, entry->command) == -1 ||
qdevice_heuristics_cmd_remove_newlines(&send_buffer->buffer) == -1 ||
dynar_str_cat(&send_buffer->buffer, "\n") == -1) {
qdevice_log(LOG_ERR, "Can't alloc list add message");
send_buffer_list_discard_new(&instance->cmd_out_buffer_list, send_buffer);
return (-1);
}
send_buffer_list_put(&instance->cmd_out_buffer_list, send_buffer);
}
static int
qdevice_net_msg_received_vote_info(struct qdevice_net_instance *instance,
const struct msg_decoded *msg)
{
struct send_buffer_list_entry *send_buffer;
enum tlv_vote result_vote;
int ring_id_is_valid;
if (instance->state != QDEVICE_NET_INSTANCE_STATE_WAITING_VOTEQUORUM_CMAP_EVENTS) {
qdevice_log(LOG_ERR, "Received unexpected vote info message. "
"Disconnecting from server");
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_UNEXPECTED_MSG;
return (-1);
}
if (!msg->vote_set || !msg->seq_number_set || !msg->ring_id_set) {
qdevice_log(LOG_ERR, "Received node list reply message without "
"required options. Disconnecting from server");
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_REQUIRED_OPTION_MISSING;
return (-1);
}
qdevice_log(LOG_DEBUG, "Received vote info");
qdevice_log(LOG_DEBUG, " seq = "UTILS_PRI_MSG_SEQ, msg->seq_number);
qdevice_log(LOG_DEBUG, " vote = %s", tlv_vote_to_str(msg->vote));
qdevice_log(LOG_DEBUG, " ring id = ("UTILS_PRI_RING_ID")",
msg->ring_id.node_id, msg->ring_id.seq);
result_vote = msg->vote;
if (!tlv_ring_id_eq(&msg->ring_id, &instance->last_sent_ring_id)) {
ring_id_is_valid = 0;
qdevice_log(LOG_DEBUG, "Received vote info with old ring id.");
} else {
ring_id_is_valid = 1;
}
if (qdevice_net_algorithm_vote_info_received(instance, msg->seq_number,
&msg->ring_id, ring_id_is_valid, &result_vote) != 0) {
qdevice_log(LOG_DEBUG, "Algorithm returned error. Disconnecting.");
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_ALGO_VOTE_INFO_ERR;
return (-1);
} else {
qdevice_log(LOG_DEBUG, "Algorithm result vote is %s", tlv_vote_to_str(result_vote));
}
if (qdevice_net_cast_vote_timer_update(instance, result_vote) != 0) {
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_CANT_SCHEDULE_VOTING_TIMER;
return (-1);
}
/*
* Create reply message
*/
send_buffer = send_buffer_list_get_new(&instance->send_buffer_list);
if (send_buffer == NULL) {
qdevice_log(LOG_ERR, "Can't allocate send list buffer for "
"vote info reply msg");
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_CANT_ALLOCATE_MSG_BUFFER;
return (-1);
}
if (msg_create_vote_info_reply(&send_buffer->buffer, msg->seq_number) == 0) {
qdevice_log(LOG_ERR, "Can't allocate send buffer for "
"vote info reply list msg");
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_CANT_ALLOCATE_MSG_BUFFER;
send_buffer_list_discard_new(&instance->send_buffer_list, send_buffer);
return (-1);
}
send_buffer_list_put(&instance->send_buffer_list, send_buffer);
return (0);
}
static int
qdevice_net_msg_received_preinit_reply(struct qdevice_net_instance *instance,
const struct msg_decoded *msg)
{
int res;
struct send_buffer_list_entry *send_buffer;
qdevice_log(LOG_DEBUG, "Received preinit reply msg");
if (instance->state != QDEVICE_NET_INSTANCE_STATE_WAITING_PREINIT_REPLY) {
qdevice_log(LOG_ERR, "Received unexpected preinit reply message. "
"Disconnecting from server");
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_UNEXPECTED_MSG;
return (-1);
}
if (qdevice_net_msg_check_seq_number(instance, msg) != 0) {
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_REQUIRED_OPTION_MISSING;
return (-1);
}
/*
* Check TLS support
*/
if (!msg->tls_supported_set || !msg->tls_client_cert_required_set) {
qdevice_log(LOG_ERR, "Required tls_supported or tls_client_cert_required "
"option is unset");
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_REQUIRED_OPTION_MISSING;
return (-1);
}
res = qdevice_net_msg_received_check_tls_compatibility(msg->tls_supported, instance->tls_supported);
if (res == -1) {
qdevice_log(LOG_ERR, "Incompatible tls configuration (server %u client %u)",
msg->tls_supported, instance->tls_supported);
instance->disconnect_reason = QDEVICE_NET_DISCONNECT_REASON_INCOMPATIBLE_TLS;
return (-1);
} else if (res == 1) {
/*
* Start TLS
*/
send_buffer = send_buffer_list_get_new(&instance->send_buffer_list);
if (send_buffer == NULL) {
qdevice_log(LOG_ERR, "Can't allocate send list buffer for "
"starttls msg");
instance->disconnect_reason =
QDEVICE_NET_DISCONNECT_REASON_CANT_ALLOCATE_MSG_BUFFER;
return (-1);
}
instance->last_msg_seq_num++;
if (msg_create_starttls(&send_buffer->buffer, 1,
instance->last_msg_seq_num) == 0) {
qdevice_log(LOG_ERR, "Can't allocate send buffer for starttls msg");
instance->disconnect_reason =
QDEVICE_NET_DISCONNECT_REASON_CANT_ALLOCATE_MSG_BUFFER;
send_buffer_list_discard_new(&instance->send_buffer_list, send_buffer);
return (-1);
}
send_buffer_list_put(&instance->send_buffer_list, send_buffer);
instance->state = QDEVICE_NET_INSTANCE_STATE_WAITING_STARTTLS_BEING_SENT;
} else if (res == 0) {
if (qdevice_net_send_init(instance) != 0) {
instance->disconnect_reason =
QDEVICE_NET_DISCONNECT_REASON_CANT_ALLOCATE_MSG_BUFFER;
return (-1);
}
}
return (0);
}