static int process_trap(zbx_sock_t *sock, char *s, int max_len)
{
char *pl, *pr, *data, value_dec[MAX_BUFFER_LEN];
char lastlogsize[11], timestamp[11], source[HISTORY_LOG_SOURCE_LEN_MAX], severity[11];
int sender_nodeid, nodeid;
char *answer;
int ret = SUCCEED, res;
size_t datalen;
struct zbx_json_parse jp;
char value[MAX_STRING_LEN];
AGENT_VALUE av;
memset(&av, 0, sizeof(AGENT_VALUE));
zbx_rtrim(s, " \r\n");
datalen = strlen(s);
zabbix_log(LOG_LEVEL_DEBUG, "Trapper got [%s] len " ZBX_FS_SIZE_T, s, (zbx_fs_size_t)datalen);
if (0 == strncmp(s, "ZBX_GET_ACTIVE_CHECKS", 21)) /* Request for list of active checks */
{
ret = send_list_of_active_checks(sock, s);
}
else if (strncmp(s, "ZBX_GET_HISTORY_LAST_ID", 23) == 0) /* Request for last ids */
{
send_history_last_id(sock, s);
return ret;
}
else /* Process information sent by zabbix_sender */
{
/* Node data exchange? */
if (strncmp(s, "Data", 4) == 0)
{
node_sync_lock(0);
res = node_sync(s, &sender_nodeid, &nodeid);
if (FAIL == res)
{
alarm(CONFIG_TIMEOUT);
send_data_to_node(sender_nodeid, sock, "FAIL");
alarm(0);
}
else
{
res = calculate_checksums(nodeid, NULL, 0);
if (SUCCEED == res && NULL != (data = get_config_data(nodeid, ZBX_NODE_SLAVE)))
{
zabbix_log( LOG_LEVEL_WARNING, "NODE %d: Sending configuration changes"
" to slave node %d for node %d datalen " ZBX_FS_SIZE_T,
CONFIG_NODEID,
sender_nodeid,
nodeid,
(zbx_fs_size_t)strlen(data));
alarm(CONFIG_TRAPPER_TIMEOUT);
res = send_data_to_node(sender_nodeid, sock, data);
zbx_free(data);
if (SUCCEED == res)
res = recv_data_from_node(sender_nodeid, sock, &answer);
if (SUCCEED == res && 0 == strcmp(answer, "OK"))
res = update_checksums(nodeid, ZBX_NODE_SLAVE, SUCCEED, NULL, 0, NULL);
alarm(0);
}
}
node_sync_unlock(0);
return ret;
}
/* Slave node history ? */
if (strncmp(s, "History", 7) == 0)
{
const char *reply;
reply = (SUCCEED == node_history(s, datalen) ? "OK" : "FAIL");
alarm(CONFIG_TIMEOUT);
if (SUCCEED != zbx_tcp_send_raw(sock, reply))
{
zabbix_log(LOG_LEVEL_WARNING, "Error sending %s to node", reply);
zabbix_syslog("Trapper: error sending %s to node", reply);
}
alarm(0);
return ret;
}
/* JSON protocol? */
else if (SUCCEED == zbx_json_open(s, &jp))
{
if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_REQUEST, value, sizeof(value)))
{
if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_CONFIG))
{
if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER))
send_proxyconfig(sock, &jp);
else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE))
{
zabbix_log(LOG_LEVEL_WARNING, "Received configuration data from server."
" Datalen " ZBX_FS_SIZE_T, (zbx_fs_size_t)datalen);
recv_proxyconfig(sock, &jp);
}
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_AGENT_DATA) ||
0 == strcmp(value, ZBX_PROTO_VALUE_SENDER_DATA))
{
recv_agenthistory(sock, &jp);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_HISTORY_DATA))
{
if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER))
recv_proxyhistory(sock, &jp);
else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE))
send_proxyhistory(sock);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_DISCOVERY_DATA))
{
if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER))
recv_discovery_data(sock, &jp);
else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE))
send_discovery_data(sock);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_AUTO_REGISTRATION_DATA))
{
if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER))
recv_areg_data(sock, &jp);
else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE))
send_areg_data(sock);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_HEARTBEAT))
{
if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER))
recv_proxy_heartbeat(sock, &jp);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_GET_ACTIVE_CHECKS))
{
ret = send_list_of_active_checks_json(sock, &jp);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_HOST_AVAILABILITY))
{
if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER))
recv_host_availability(sock, &jp);
else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE))
send_host_availability(sock);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_COMMAND))
{
ret = node_process_command(sock, s, &jp);
}
else
{
zabbix_log(LOG_LEVEL_WARNING, "Unknown request received [%s]",
value);
}
}
return ret;
}
/* XML protocol? */
else if (*s == '<')
{
comms_parse_response(s, av.host_name, sizeof(av.host_name), av.key, sizeof(av.key), value_dec, sizeof(value_dec),
lastlogsize, sizeof(lastlogsize), timestamp, sizeof(timestamp),
source, sizeof(source), severity, sizeof(severity));
av.value = value_dec;
av.lastlogsize = atoi(lastlogsize);
av.timestamp = atoi(timestamp);
av.source = source;
av.severity = atoi(severity);
}
else
{
pl = s;
if (NULL == (pr = strchr(pl, ':')))
return FAIL;
*pr = '\0';
zbx_strlcpy(av.host_name, pl, sizeof(av.host_name));
*pr = ':';
pl = pr + 1;
if (NULL == (pr = strchr(pl, ':')))
return FAIL;
*pr = '\0';
zbx_strlcpy(av.key, pl, sizeof(av.key));
*pr = ':';
av.value = pr + 1;
av.severity = 0;
}
av.clock = time(NULL);
process_mass_data(sock, 0, &av, 1, NULL);
alarm(CONFIG_TIMEOUT);
if (SUCCEED != zbx_tcp_send_raw(sock, SUCCEED == ret ? "OK" : "NOT OK"))
{
zabbix_log(LOG_LEVEL_WARNING, "Error sending result back");
zabbix_syslog("Trapper: error sending result back");
}
alarm(0);
}
return ret;
}
static int process_trap(zbx_socket_t *sock, char *s, zbx_timespec_t *ts)
{
int ret = SUCCEED;
zbx_rtrim(s, " \r\n");
zabbix_log(LOG_LEVEL_DEBUG, "trapper got '%s'", s);
if ('{' == *s) /* JSON protocol */
{
struct zbx_json_parse jp;
char value[MAX_STRING_LEN];
if (SUCCEED != zbx_json_open(s, &jp))
{
zbx_send_response(sock, FAIL, zbx_json_strerror(), CONFIG_TIMEOUT);
zabbix_log(LOG_LEVEL_WARNING, "received invalid JSON object from %s: %s",
sock->peer, zbx_json_strerror());
return FAIL;
}
if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_REQUEST, value, sizeof(value)))
{
if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_CONFIG))
{
if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER))
{
send_proxyconfig(sock, &jp);
}
else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE))
{
zabbix_log(LOG_LEVEL_WARNING, "received configuration data from server"
" at \"%s\", datalen " ZBX_FS_SIZE_T,
sock->peer, (zbx_fs_size_t)(jp.end - jp.start + 1));
recv_proxyconfig(sock, &jp);
}
else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_ACTIVE))
{
/* This is a misconfiguration: the proxy is configured in active mode */
/* but server sends requests to it as to a proxy in passive mode. To */
/* prevent logging of this problem for every request we report it */
/* only when the server sends configuration to the proxy and ignore */
/* it for other requests. */
active_passive_misconfig(sock);
}
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_AGENT_DATA) ||
0 == strcmp(value, ZBX_PROTO_VALUE_SENDER_DATA))
{
recv_agenthistory(sock, &jp, ts);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_HISTORY_DATA))
{
if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER))
recv_proxyhistory(sock, &jp, ts);
else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE))
send_proxyhistory(sock, ts);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_DISCOVERY_DATA))
{
if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER))
recv_discovery_data(sock, &jp);
else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE))
send_discovery_data(sock);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_AUTO_REGISTRATION_DATA))
{
if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER))
recv_areg_data(sock, &jp);
else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE))
send_areg_data(sock);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_HEARTBEAT))
{
if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER))
recv_proxy_heartbeat(sock, &jp);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_GET_ACTIVE_CHECKS))
{
ret = send_list_of_active_checks_json(sock, &jp);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_HOST_AVAILABILITY))
{
if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER))
recv_host_availability(sock, &jp);
else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE))
send_host_availability(sock);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_COMMAND))
{
ret = node_process_command(sock, s, &jp);
}
else if (0 == strcmp(value, ZBX_PROTO_VALUE_GET_QUEUE))
{
if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER))
ret = recv_getqueue(sock, &jp);
}
else
zabbix_log(LOG_LEVEL_WARNING, "unknown request received [%s]", value);
}
}
else if (0 == strncmp(s, "ZBX_GET_ACTIVE_CHECKS", 21)) /* request for list of active checks */
{
ret = send_list_of_active_checks(sock, s);
}
else
{
char value_dec[MAX_BUFFER_LEN], lastlogsize[ZBX_MAX_UINT64_LEN], timestamp[11],
source[HISTORY_LOG_SOURCE_LEN_MAX], severity[11];
AGENT_VALUE av;
memset(&av, 0, sizeof(AGENT_VALUE));
if ('<' == *s) /* XML protocol */
{
comms_parse_response(s, av.host_name, sizeof(av.host_name), av.key, sizeof(av.key), value_dec,
sizeof(value_dec), lastlogsize, sizeof(lastlogsize), timestamp,
sizeof(timestamp), source, sizeof(source), severity, sizeof(severity));
av.value = value_dec;
if (SUCCEED != is_uint64(lastlogsize, &av.lastlogsize))
av.lastlogsize = 0;
av.timestamp = atoi(timestamp);
av.source = source;
av.severity = atoi(severity);
}
else
{
char *pl, *pr;
pl = s;
if (NULL == (pr = strchr(pl, ':')))
return FAIL;
*pr = '\0';
zbx_strlcpy(av.host_name, pl, sizeof(av.host_name));
*pr = ':';
pl = pr + 1;
if (NULL == (pr = strchr(pl, ':')))
return FAIL;
*pr = '\0';
zbx_strlcpy(av.key, pl, sizeof(av.key));
*pr = ':';
av.value = pr + 1;
av.severity = 0;
}
zbx_timespec(&av.ts);
if (0 == strcmp(av.value, ZBX_NOTSUPPORTED))
av.state = ITEM_STATE_NOTSUPPORTED;
process_mass_data(sock, 0, &av, 1, NULL);
zbx_alarm_on(CONFIG_TIMEOUT);
if (SUCCEED != zbx_tcp_send_raw(sock, "OK"))
zabbix_log(LOG_LEVEL_WARNING, "Error sending result back");
zbx_alarm_off();
}
return ret;
}