在kali2虚拟机上第一次成功运行snort和barnyard2

参考：
http://sublimerobots.com/2017/01/snort-2-9-9-x-ubuntu-installing-snort/    (2017新版)
http://sublimerobots.com/2015/12/snort-2-9-8-x-on-ubuntu-part-1/           (2015旧版)
➜  barnyard2-master /usr/local/bin/snort -q -u snort -g snort -c /etc/snort/snort.conf -i eth0 -D                                 [3:06:46]
Spawning daemon child...
My daemon child 53485 lives...
Daemon parent exiting (0)
➜  barnyard2-master barnyard2 -c /etc/snort/barnyard2.conf -d /var/log/snort -f snort.u2 -w /var/log/snort/barnyard2.waldo -g snort -u snort 

Running in Continuous mode

        --== Initializing Barnyard2 ==--
Initializing Input Plugins!
Initializing Output Plugins!
Parsing config file "/etc/snort/barnyard2.conf"


+[ Signature Suppress list ]+
----------------------------
+[No entry in Signature Suppress List]+
----------------------------
+[ Signature Suppress list ]+

Barnyard2 spooler: Event cache size set to [2048] 
Log directory = /var/log/barnyard2
INFO database: Defaulting Reconnect/Transaction Error limit to 10 
INFO database: Defaulting Reconnect sleep time to 5 second 
[ClassificationPullDataStore()]: No Classification found in database ... 
[SignaturePullDataStore()]: No signature found in database ... 
[SystemPullDataStore()]: No System found in database ... 
[ReferencePullDataStore()]: No Reference found in database ... 
[SignatureReferencePullDataStore()]: No Reference found in database ... 
database: compiled support for (mysql)
database: configured to use mysql
database: schema version = 107
database:           host = localhost
database:           user = snort
database:  database name = snort
database:    sensor name = kali:NULL
database:      sensor id = 1
database:     sensor cid = 1
database:  data encoding = hex
database:   detail level = full
database:     ignore_bpf = no
database: using the "log" facility

        --== Initialization Complete ==--

  ______   -*> Barnyard2 <*-
 / ,,_  \  Version 2.1.14 (Build 337)
 |o"  )~|  By Ian Firns (SecurixLive): http://www.securixlive.com/
 + '''' +  (C) Copyright 2008-2013 Ian Firns 

WARNING: Ignoring corrupt/truncated waldofile '/var/log/snort/barnyard2.waldo'
Opened spool file '/var/log/snort/snort.u2.1493147217'
Waiting for new data

---

不要着急在树莓派上发包然后等待barnyard2去处理，本身在我高配的kali2虚拟机上barnyard2启动都要好久(至少2分钟吧)。处理第一个包的时候已经过了半个小时了。虽然包是在十几分钟的时候发的。

➜  repos journalctl -f -u barnyard2                                                                                [16:40:56]
-- Logs begin at Wed 2017-04-26 04:32:11 CST. --
Apr 28 16:40:50 kali systemd[1]: Started Barnyard2 Daemon.
Apr 28 16:40:50 kali barnyard2[41387]: Running in Continuous mode
Apr 28 16:40:50 kali barnyard2[41387]: 
Apr 28 16:40:50 kali barnyard2[41387]:         --== Initializing Barnyard2 ==--
Apr 28 16:40:50 kali barnyard2[41387]: Initializing Input Plugins!
Apr 28 16:40:50 kali barnyard2[41387]: Initializing Output Plugins!
Apr 28 16:40:50 kali barnyard2[41387]: Parsing config file "/etc/snort/barnyard2.conf"
Apr 28 16:40:50 kali barnyard2[41387]: 

                                       +[ Signature Suppress list ]+
                                       ----------------------------
Apr 28 16:40:50 kali barnyard2[41387]: +[No entry in Signature Suppress List]+
Apr 28 16:40:50 kali barnyard2[41387]: ----------------------------
                                       +[ Signature Suppress list ]+
Apr 28 16:42:44 kali barnyard2[41387]: WARNING: invalid Reference spec '2015-0666'. Ignored
Apr 28 16:42:49 kali barnyard2[41387]: Barnyard2 spooler: Event cache size set to [2048]
Apr 28 16:42:49 kali barnyard2[41387]: Log directory = /var/log/barnyard2
Apr 28 16:42:49 kali barnyard2[41387]: INFO database: Defaulting Reconnect/Transaction Error limit to 10
Apr 28 16:42:49 kali barnyard2[41387]: INFO database: Defaulting Reconnect sleep time to 5 second
Apr 28 16:42:49 kali barnyard2[41387]: Initializing daemon mode
Apr 28 16:42:49 kali barnyard2[41387]: Daemon initialized, signaled parent pid: 1
Apr 28 16:42:49 kali barnyard2[41387]: PID path stat checked out ok, PID path set to /var/run/
Apr 28 16:42:49 kali barnyard2[41387]: Writing PID "41387" to file "/var/run//barnyard2_NULL.pid"
Apr 28 17:14:03 kali barnyard2[41387]: database: compiled support for (mysql)
Apr 28 17:14:03 kali barnyard2[41387]: database: configured to use mysql
Apr 28 17:14:03 kali barnyard2[41387]: database: schema version = 107
Apr 28 17:14:03 kali barnyard2[41387]: database:           host = localhost
Apr 28 17:14:03 kali barnyard2[41387]: database:           user = snort
Apr 28 17:14:03 kali barnyard2[41387]: database:  database name = snort
Apr 28 17:14:03 kali barnyard2[41387]: database:    sensor name = kali:NULL
Apr 28 17:14:03 kali barnyard2[41387]: database:      sensor id = 1
Apr 28 17:14:03 kali barnyard2[41387]: database:     sensor cid = 5
Apr 28 17:14:03 kali barnyard2[41387]: database:  data encoding = hex
Apr 28 17:14:03 kali barnyard2[41387]: database:   detail level = full
Apr 28 17:14:03 kali barnyard2[41387]: database:     ignore_bpf = no
Apr 28 17:14:03 kali barnyard2[41387]: database: using the "log" facility
Apr 28 17:14:03 kali barnyard2[41387]: 
Apr 28 17:14:03 kali barnyard2[41387]:         --== Initialization Complete ==--
Apr 28 17:14:03 kali barnyard2[41387]: Barnyard2 initialization completed successfully (pid=41387)
Apr 28 17:14:03 kali barnyard2[41387]: Using waldo file '/var/log/snort/barnyard2.waldo':
                                           spool directory = /var/log/snort
                                           spool filebase  = snort.u2
                                           time_stamp      = 1493152162
                                           record_idx      = 8
Apr 28 17:14:03 kali barnyard2[41387]: Opened spool file '/var/log/snort/snort.u2.1493152162'
Apr 28 17:14:03 kali barnyard2[41387]: Closing spool file '/var/log/snort/snort.u2.1493152162'. Read 8 records
Apr 28 17:14:03 kali barnyard2[41387]: Opened spool file '/var/log/snort/snort.u2.1493152669'
Apr 28 17:14:04 kali barnyard2[41387]: Waiting for new data

而我的树莓派就慢一些了。

4月 28 18:55:49 snort-ids systemd[1]: Started Barnyard2 Daemon.
4月 28 18:55:49 snort-ids barnyard2[23757]: Running in Continuous mode
4月 28 18:55:49 snort-ids barnyard2[23757]:
4月 28 18:55:49 snort-ids barnyard2[23757]:         --== Initializing Barnyard2 ==--
4月 28 18:55:49 snort-ids barnyard2[23757]: Initializing Input Plugins!
4月 28 18:55:49 snort-ids barnyard2[23757]: Initializing Output Plugins!
4月 28 18:55:49 snort-ids barnyard2[23757]: Parsing config file "/etc/snort/barnyard2.conf"
4月 28 18:55:49 snort-ids barnyard2[23757]:

                                             +[ Signature Suppress list ]+
                                             ----------------------------
4月 28 18:55:49 snort-ids barnyard2[23757]: +[No entry in Signature Suppress List]+
4月 28 18:55:49 snort-ids barnyard2[23757]: ----------------------------
                                             +[ Signature Suppress list ]+
4月 28 19:04:43 snort-ids barnyard2[23757]: WARNING: invalid Reference spec '2015-0666'. Ignored
4月 28 19:04:55 snort-ids barnyard2[23757]: Barnyard2 spooler: Event cache size set to [2048]
4月 28 19:04:55 snort-ids barnyard2[23757]: Log directory = /var/log/barnyard2
4月 28 19:04:55 snort-ids barnyard2[23757]: INFO database: Defaulting Reconnect/Transaction Error limit to 10
4月 28 19:04:55 snort-ids barnyard2[23757]: INFO database: Defaulting Reconnect sleep time to 5 second
4月 28 19:04:55 snort-ids barnyard2[23757]: Initializing daemon mode
4月 28 19:04:55 snort-ids barnyard2[23757]: Daemon initialized, signaled parent pid: 1
4月 28 19:04:55 snort-ids barnyard2[23757]: PID path stat checked out ok, PID path set to /var/run/
4月 28 19:04:55 snort-ids barnyard2[23757]: Writing PID "23757" to file "/var/run//barnyard2_NULL.pid"

---

是说怎么在我的kali2虚拟机里和树莓派上的不一样呢。虚拟机里用的是master分支(也就是新版本)，而树莓派里用的是老版本的。看到这个才知道barnyard2在新版本中给一个.h文件里面的ref_system_id变量加上了反单引号，这才是问题所在。

➜  output-plugins grep "ref_system_id" spo_database_cache.h                                                        [18:59:09]
#define PGSQL_SQL_SELECT_SPECIFIC_REFERENCE_SYSTEM "SELECT `ref_system_id` FROM reference_system WHERE ref_system_name = E'%s';"
#define PGSQL_SQL_INSERT_SPECIFIC_REF  "INSERT INTO reference (`ref_system_id`,ref_tag) VALUES ('%u',E'%s');"
#define PGSQL_SQL_SELECT_SPECIFIC_REF  "SELECT ref_id FROM reference WHERE `ref_system_id` = '%u' AND ref_tag = E'%s';"
#define SQL_SELECT_SPECIFIC_REFERENCE_SYSTEM "SELECT `ref_system_id` FROM reference_system WHERE ref_system_name = '%s';"
#define SQL_INSERT_SPECIFIC_REF  "INSERT INTO reference (`ref_system_id`,ref_tag) VALUES ('%u','%s');"
#define SQL_SELECT_SPECIFIC_REF  "SELECT ref_id FROM reference WHERE `ref_system_id` = '%u' AND ref_tag = '%s';"
#define SQL_SELECT_ALL_REFERENCE_SYSTEM  "SELECT `ref_system_id`, ref_system_name FROM reference_system;"
#define SQL_SELECT_ALL_REF "SELECT ref_id, `ref_system_id`, ref_tag FROM reference; "
➜  output-plugins pwd                                                                                              [18:59:20]
/root/snort_src/barnyard2-master/src/output-plugins