mirror of https://github.com/OISF/suricata
parent
58556b7f8b
commit
330c408930
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/* Copyright (C) 2012-2017 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author nPulse Technologies, LLC.
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* \author Matt Keeler <mk@npulsetech.com>
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*/
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#include "suricata-common.h"
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#include "tm-threads.h"
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#include "conf.h"
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#include "runmodes.h"
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#include "output.h"
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#include "util-debug.h"
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#include "util-time.h"
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#include "util-cpu.h"
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#include "util-byte.h"
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#include "util-affinity.h"
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#include "util-runmodes.h"
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#include "util-device.h"
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#include "util-napatech.h"
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#include "runmode-napatech.h"
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#include "source-napatech.h" // need NapatechStreamDevConf structure
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static const char *default_mode = "workers";
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#ifdef HAVE_NAPATECH
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#define NT_RUNMODE_AUTOFP 1
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#define NT_RUNMODE_WORKERS 2
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#define MAX_STREAMS 256
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static uint16_t num_configured_streams = 0;
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static uint16_t first_stream = 0xffff;
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static uint16_t last_stream = 0xffff;
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static int auto_config = 0;
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static int use_hw_bypass = 0;
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uint16_t NapatechGetNumConfiguredStreams(void)
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{
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return num_configured_streams;
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}
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uint16_t NapatechGetNumFirstStream(void)
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{
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return first_stream;
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}
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uint16_t NapatechGetNumLastStream(void)
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{
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return last_stream;
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}
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bool NapatechIsAutoConfigEnabled(void)
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{
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return (auto_config != 0);
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}
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bool NapatechUseHWBypass(void)
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{
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return (use_hw_bypass != 0);
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}
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#endif
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const char *RunModeNapatechGetDefaultMode(void)
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{
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return default_mode;
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}
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void RunModeNapatechRegister(void)
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{
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#ifdef HAVE_NAPATECH
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RunModeRegisterNewRunMode(RUNMODE_NAPATECH, "workers",
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"Workers Napatech mode, each thread does all"
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" tasks from acquisition to logging",
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RunModeNapatechWorkers, NULL);
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return;
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#endif
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}
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#ifdef HAVE_NAPATECH
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static int NapatechRegisterDeviceStreams(void)
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{
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/* Display the configuration mode */
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int use_all_streams;
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if (ConfGetBool("napatech.use-all-streams", &use_all_streams) == 0) {
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SCLogInfo("Could not find napatech.use-all-streams in config file. Defaulting to \"no\".");
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use_all_streams = 0;
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}
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if (ConfGetBool("napatech.auto-config", &auto_config) == 0) {
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SCLogInfo("napatech.auto-config not found in config file. Defaulting to disabled.");
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}
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if (ConfGetBool("napatech.hardware-bypass", &use_hw_bypass) == 0) {
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SCLogInfo("napatech.hardware-bypass not found in config file. Defaulting to disabled.");
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}
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/* use_all_streams uses existing streams created prior to starting Suricata. auto_config
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* automatically creates streams. Therefore, these two options are mutually exclusive.
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*/
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if (use_all_streams && auto_config) {
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FatalError("napatech.auto-config cannot be used in configuration file at the same time as "
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"napatech.use-all-streams.");
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}
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/* to use hardware_bypass we need to configure the streams to be consistent.
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* with the rest of the configuration. Therefore auto_config is not a valid
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* option.
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*/
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if (use_hw_bypass && auto_config == 0) {
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FatalError("napatech auto-config must be enabled when using napatech.use_hw_bypass.");
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}
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/* Get the stream ID's either from the conf or by querying Napatech */
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NapatechStreamConfig stream_config[MAX_STREAMS];
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uint16_t stream_cnt = NapatechGetStreamConfig(stream_config);
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num_configured_streams = stream_cnt;
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SCLogDebug("Configuring %d Napatech Streams...", stream_cnt);
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for (uint16_t inst = 0; inst < stream_cnt; ++inst) {
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char *plive_dev_buf = SCCalloc(1, 9);
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if (unlikely(plive_dev_buf == NULL)) {
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FatalError("Failed to allocate memory for NAPATECH stream counter.");
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}
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snprintf(plive_dev_buf, 9, "nt%d", stream_config[inst].stream_id);
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if (auto_config) {
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if (stream_config[inst].is_active) {
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SCLogError("Registering Napatech device: %s - active stream found.", plive_dev_buf);
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SCLogError(
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"run /opt/napatech3/bin/ntpl -e \"delete=all\" to delete existing stream");
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FatalError("or disable auto-config in the conf file before running.");
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}
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} else {
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SCLogInfo("Registering Napatech device: %s - active stream%sfound.",
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plive_dev_buf, stream_config[inst].is_active ? " " : " NOT ");
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}
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LiveRegisterDevice(plive_dev_buf);
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if (first_stream == 0xffff) {
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first_stream = stream_config[inst].stream_id;
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}
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last_stream = stream_config[inst].stream_id;
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}
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/* Napatech stats come from a separate thread. This will suppress
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* the counters when suricata exits.
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*/
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LiveDeviceHasNoStats();
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return 0;
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}
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static void *NapatechConfigParser(const char *device)
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{
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/* Expect device to be of the form nt%d where %d is the stream id to use */
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int dev_len = strlen(device);
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if (dev_len < 3 || dev_len > 5) {
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SCLogError("Could not parse config for device: %s - invalid length", device);
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return NULL;
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}
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struct NapatechStreamDevConf *conf = SCCalloc(1, sizeof (struct NapatechStreamDevConf));
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if (unlikely(conf == NULL)) {
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SCLogError("Failed to allocate memory for NAPATECH device name.");
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return NULL;
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}
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/* device+2 is a pointer to the beginning of the stream id after the constant nt portion */
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if (StringParseUint16(&conf->stream_id, 10, 0, device + 2) < 0) {
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SCLogError("Invalid value for stream_id: %s", device + 2);
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SCFree(conf);
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return NULL;
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}
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return (void *) conf;
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}
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static int NapatechGetThreadsCount(void *conf __attribute__((unused)))
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{
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/* No matter which live device it is there is no reason to ever use more than 1 thread
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2 or more thread would cause packet duplication */
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return 1;
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}
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static int NapatechInit(int runmode)
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{
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int status;
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TimeModeSetLive();
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/* Initialize the API and check version compatibility */
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if ((status = NT_Init(NTAPI_VERSION)) != NT_SUCCESS) {
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NAPATECH_ERROR(status);
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exit(EXIT_FAILURE);
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}
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status = NapatechRegisterDeviceStreams();
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if (status < 0 || num_configured_streams <= 0) {
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FatalError("Unable to find existing Napatech Streams");
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}
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struct NapatechStreamDevConf *conf =
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SCCalloc(1, sizeof (struct NapatechStreamDevConf));
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if (unlikely(conf == NULL)) {
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FatalError("Failed to allocate memory for NAPATECH device.");
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}
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if (use_hw_bypass) {
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#ifdef NAPATECH_ENABLE_BYPASS
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if (NapatechVerifyBypassSupport()) {
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SCLogInfo("Napatech Hardware Bypass is supported and enabled.");
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} else {
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FatalError("Napatech Hardware Bypass requested in conf but is not supported by the "
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"hardware.");
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}
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#else
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FatalError(
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"Napatech Hardware Bypass requested in conf but is not enabled by the software.");
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#endif
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} else {
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SCLogInfo("Hardware Bypass is disabled in the conf file.");
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}
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/* Start a thread to process the statistics */
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NapatechStartStats();
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switch (runmode) {
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case NT_RUNMODE_WORKERS:
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status = RunModeSetLiveCaptureWorkers(NapatechConfigParser, NapatechGetThreadsCount,
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"NapatechStream", "NapatechDecode", thread_name_workers, NULL);
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break;
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default:
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status = -1;
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}
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if (status != 0) {
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FatalError("Runmode start failed");
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}
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return 0;
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}
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int RunModeNapatechWorkers(void)
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{
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return NapatechInit(NT_RUNMODE_WORKERS);
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}
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#endif
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@ -1,42 +0,0 @@
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/* Copyright (C) 2012-2017 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \autor nPulse Technologies, LLC.
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* \author Matt Keeler <mk@npulsetech.com>
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*/
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#ifndef SURICATA_RUNMODE_NAPATECH_H
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#define SURICATA_RUNMODE_NAPATECH_H
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#ifdef HAVE_NAPATECH
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#include <nt.h>
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#endif /* HAVE_NAPATECH */
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int RunModeNapatechWorkers(void);
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void RunModeNapatechRegister(void);
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const char *RunModeNapatechGetDefaultMode(void);
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uint16_t NapatechGetNumConfiguredStreams(void);
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uint16_t NapatechGetNumFirstStream(void);
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uint16_t NapatechGetNumLastStream(void);
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bool NapatechIsAutoConfigEnabled(void);
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bool NapatechUseHWBypass(void);
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#endif /* SURICATA_RUNMODE_NAPATECH_H */
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Load Diff
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/* Copyright (C) 2012-2017 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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||||||
* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author nPulse Technologies, LLC.
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* \author Matt Keeler <mk@npulsetech.com>
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*/
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#ifndef SURICATA_SOURCE_NAPATECH_H
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#define SURICATA_SOURCE_NAPATECH_H
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void TmModuleNapatechStreamRegister(void);
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TmEcode NapatechStreamThreadDeinit(ThreadVars *tv, void *data);
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void TmModuleNapatechDecodeRegister(void);
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#ifdef HAVE_NAPATECH
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#include <nt.h>
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struct NapatechStreamDevConf
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{
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uint16_t stream_id;
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};
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int NapatechSetPortmap(int port, int peer);
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int NapatechGetAdapter(uint8_t port);
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#endif /* HAVE_NAPATECH */
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#endif /* SURICATA_SOURCE_NAPATECH_H */
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Load Diff
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/* Copyright (C) 2017 Open Information Security Foundation
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||||||
*
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* You can copy, redistribute or modify this Program under the terms of
|
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||||||
* the GNU General Public License version 2 as published by the Free
|
|
||||||
* Software Foundation.
|
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||||||
*
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||||||
* This program is distributed in the hope that it will be useful,
|
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||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||||
* GNU General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU General Public License
|
|
||||||
* version 2 along with this program; if not, write to the Free Software
|
|
||||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
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||||||
* 02110-1301, USA.
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||||||
*/
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||||||
/**
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||||||
* \file
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||||||
*
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||||||
* \author Phil Young <py@napatech.com>
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*
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*/
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#ifndef SURICATA_UTIL_NAPATECH_H
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#define SURICATA_UTIL_NAPATECH_H
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#ifdef HAVE_NAPATECH
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#include <nt.h>
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typedef struct NapatechPacketVars_
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{
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uint64_t stream_id;
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NtNetBuf_t nt_packet_buf;
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NtNetStreamRx_t rx_stream;
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NtFlowStream_t flow_stream;
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ThreadVars *tv;
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#ifdef NAPATECH_ENABLE_BYPASS
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NtDyn3Descr_t *dyn3;
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|
||||||
int bypass;
|
|
||||||
#endif
|
|
||||||
} NapatechPacketVars;
|
|
||||||
|
|
||||||
typedef struct NapatechStreamConfig_
|
|
||||||
{
|
|
||||||
uint8_t stream_id;
|
|
||||||
bool is_active;
|
|
||||||
bool initialized;
|
|
||||||
} NapatechStreamConfig;
|
|
||||||
|
|
||||||
typedef struct NapatechCurrentStats_
|
|
||||||
{
|
|
||||||
uint64_t current_packets;
|
|
||||||
uint64_t current_bytes;
|
|
||||||
uint64_t current_drop_packets;
|
|
||||||
uint64_t current_drop_bytes;
|
|
||||||
} NapatechCurrentStats;
|
|
||||||
|
|
||||||
#define MAX_HOSTBUFFER 4
|
|
||||||
#define MAX_STREAMS 256
|
|
||||||
#define MAX_PORTS 80
|
|
||||||
#define MAX_ADAPTERS 8
|
|
||||||
#define HB_HIGHWATER 2048 //1982
|
|
||||||
|
|
||||||
extern void NapatechStartStats(void);
|
|
||||||
|
|
||||||
#define NAPATECH_ERROR(status) \
|
|
||||||
{ \
|
|
||||||
char errorBuffer[1024]; \
|
|
||||||
NT_ExplainError((status), errorBuffer, sizeof(errorBuffer) - 1); \
|
|
||||||
SCLogError("Napatech Error: %s", errorBuffer); \
|
|
||||||
}
|
|
||||||
|
|
||||||
#define NAPATECH_NTPL_ERROR(ntpl_cmd, ntpl_info, status) \
|
|
||||||
{ \
|
|
||||||
char errorBuffer[1024]; \
|
|
||||||
NT_ExplainError(status, errorBuffer, sizeof(errorBuffer) - 1); \
|
|
||||||
SCLogError(" NTPL failed: %s", errorBuffer); \
|
|
||||||
SCLogError(" cmd: %s", ntpl_cmd); \
|
|
||||||
if (strncmp(ntpl_info.u.errorData.errBuffer[0], "", 256) != 0) \
|
|
||||||
SCLogError(" %s", ntpl_info.u.errorData.errBuffer[0]); \
|
|
||||||
if (strncmp(ntpl_info.u.errorData.errBuffer[1], "", 256) != 0) \
|
|
||||||
SCLogError(" %s", ntpl_info.u.errorData.errBuffer[1]); \
|
|
||||||
if (strncmp(ntpl_info.u.errorData.errBuffer[2], "", 256) != 0) \
|
|
||||||
SCLogError(" %s", ntpl_info.u.errorData.errBuffer[2]); \
|
|
||||||
}
|
|
||||||
|
|
||||||
// #define ENABLE_NT_DEBUG
|
|
||||||
#ifdef ENABLE_NT_DEBUG
|
|
||||||
void NapatechPrintIP(uint32_t address);
|
|
||||||
|
|
||||||
#define NAPATECH_DEBUG(...) printf(__VA_ARGS__)
|
|
||||||
#define NAPATECH_PRINTIP(a) NapatechPrintIP(uint32_t address)
|
|
||||||
#else
|
|
||||||
#define NAPATECH_DEBUG(...)
|
|
||||||
#define NAPATECH_PRINTIP(a)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
NapatechCurrentStats NapatechGetCurrentStats(uint16_t id);
|
|
||||||
int NapatechGetStreamConfig(NapatechStreamConfig stream_config[]);
|
|
||||||
bool NapatechSetupNuma(uint32_t stream, uint32_t numa);
|
|
||||||
uint32_t NapatechSetupTraffic(uint32_t first_stream, uint32_t last_stream);
|
|
||||||
uint32_t NapatechDeleteFilters(void);
|
|
||||||
|
|
||||||
#ifdef NAPATECH_ENABLE_BYPASS
|
|
||||||
|
|
||||||
/* */
|
|
||||||
#define NAPATECH_KEYTYPE_IPV4 3
|
|
||||||
#define NAPATECH_KEYTYPE_IPV4_SPAN 4
|
|
||||||
#define NAPATECH_KEYTYPE_IPV6 5
|
|
||||||
#define NAPATECH_KEYTYPE_IPV6_SPAN 6
|
|
||||||
#define NAPATECH_FLOWTYPE_DROP 7
|
|
||||||
#define NAPATECH_FLOWTYPE_PASS 8
|
|
||||||
|
|
||||||
int NapatechVerifyBypassSupport(void);
|
|
||||||
int NapatechGetNumAdapters(void);
|
|
||||||
|
|
||||||
|
|
||||||
int NapatechIsBypassSupported(void);
|
|
||||||
|
|
||||||
#endif /* NAPATECH_ENABLE_BYPASS */
|
|
||||||
#endif /* HAVE_NAPATECH */
|
|
||||||
#endif /* SURICATA_UTIL_NAPATECH_H */
|
|
Loading…
Reference in New Issue