Merge branch 'master' into topic/seth/ssl-improvements

Conflicts:
	src/event.bif
	src/ssl-protocol.pac
This commit is contained in:
Seth Hall 2012-01-04 13:51:31 -05:00
commit 3d0722f0e5
188 changed files with 1907 additions and 1431 deletions

172
CHANGES
View file

@ -1,4 +1,176 @@
2.0-beta-155 | 2012-01-03 15:42:32 -0800
* Remove dead code related to record type inheritance. (Jon Siwek)
2.0-beta-152 | 2012-01-03 14:51:34 -0800
* Notices now record the transport-layer protocol. (Bernhard Amann)
2.0-beta-150 | 2012-01-03 14:42:45 -0800
* CMake 2.6 top-level 'install' target compat. Fixes #729. (Jon Siwek)
* Minor fixes to test process. Addresses #298.
* Increase timeout interval of communication-related btests. (Jon Siwek)
2.0-beta-145 | 2011-12-19 11:37:15 -0800
* Empty fields are now logged as "(empty)" by default. (Robin
Sommer)
* In log headers, only escape information when necessary. (Robin
Sommer)
2.0-beta-139 | 2011-12-19 07:06:29 -0800
* The hostname notice email extension works now, plus a general
mechanism for adding delayed information to notices. (Seth Hall)
* Fix &default fields in records not being initialized in coerced
assignments. Addresses #722. (Jon Siwek)
* Make log headers include the type of data stored inside a set or
vector ("vector[string]"). (Bernhard Amann)
2.0-beta-126 | 2011-12-18 15:18:05 -0800
* DNS updates. (Seth Hall)
- Fixed some bugs with capturing data in the base DNS script.
- Answers and TTLs are now vectors.
- A warning that was being generated (dns_reply_seen_after_done)
from transaction ID reuse is fixed.
* SSL updates. (Seth Hall)
- Added is_orig fields to the SSL events and adapted script.
- Added a field named last_alert to the SSL log.
- The x509_certificate function has an is_orig field now instead
of is_server and its position in the argument list has moved.
- A bit of reorganization and cleanup in the core analyzer. (Seth
Hall)
2.0-beta-121 | 2011-12-18 15:10:15 -0800
* Enable warnings for malformed Broxygen xref roles. (Jon Siwek)
* Fix Broxygen confusing scoped IDs at start of line as function
parameter. (Jon Siwek)
* Allow Broxygen markup "##<" for more general use. (Jon Siwek)
2.0-beta-116 | 2011-12-16 02:38:27 -0800
* Cleanup some misc Broxygen css/js stuff. (Jon Siwek)
* Add search box to Broxygen docs. Fixes #726. (Jon Siwek)
* Fixed major bug with cluster synchronization, which was not
working. (Seth Hall)
* Fix missing action in notice policy for looking up GeoIP data.
(Jon Siwek)
* Better persistent state configuration warning messages (fixes
#433). (Jon Siwek)
* Renaming HTTP::SQL_Injection_Attack_Against to
HTTP::SQL_Injection_Victim. (Seth Hall).
* Fixed DPD signatures for IRC. Fixes #311. (Seth Hall)
* Removing Off_Port_Protocol_Found notice. (Seth Hall)
* Teach Broxygen to more generally reference attribute values by name. (Jon Siwek)
* SSH::Interesting_Hostname_Login cleanup. Fixes #664. (Seth Hall)
* Fixed bug that was causing the malware hash registry script to
break. (Seth Hall)
* Remove remnant of libmagic optionality. (Jon Siwek)
2.0-beta-98 | 2011-12-07 08:12:08 -0800
* Adapting test-suite's diff-all so that it expands globs in both
current and baseline directory. Closes #677. (Robin Sommer)
2.0-beta-97 | 2011-12-06 11:49:29 -0800
* Omit loading local-<node>.bro scripts from base cluster framework.
Addresses #663 (Jon Siwek)
2.0-beta-94 | 2011-12-03 15:57:19 -0800
* Adapting attribute serialization when talking to Broccoli. (Robin
Sommer)
2.0-beta-92 | 2011-12-03 15:56:03 -0800
* Changes to Broxygen master script package index. (Jon Siwek)
- Now only lists packages as those directories in the script hierarchy
that contain an __load__.bro file.
- Script packages (dirs with a __load__.bro file), can now include
a README (in reST format) that will automatically be appended
under the link to a specific package in the master package
index.
2.0-beta-88 | 2011-12-02 17:00:58 -0800
* Teach LogWriterAscii to use BRO_LOG_SUFFIX environemt variable.
Addresses #704. (Jon Siwek)
* Fix double-free of DNS_Mgr_Request object. Addresses #661.
* Add a remote_log_peer event which comes with an event_peer record
parameter. Addresses #493. (Jon Siwek)
* Remove example redef of SMTP::entity_excerpt_len from local.bro.
Fixes error emitted when loading local.bro in bare mode. (Jon
Siwek)
* Add missing doc targets to top Makefile; remove old doc/Makefile.
Fixes #705. (Jon Siwek)
* Turn some globals into constants. Addresses #633. (Seth Hall)
* Rearrange packet filter and DPD documentation. (Jon Siwek)
2.0-beta-72 | 2011-11-30 20:16:09 -0800
* Fine-tuning the Sphinx layout to better match www. (Jon Siwek and
Robin Sommer)
2.0-beta-69 | 2011-11-29 16:55:31 -0800
* Fixing ASCII logger to escape the unset-field place holder if
written out literally. (Robin Sommer)
2.0-beta-68 | 2011-11-29 15:23:12 -0800
* Lots of documentation polishing. (Jon Siwek)
* Teach Broxygen the ".. bro:see::" directive. (Jon Siwek)
* Teach Broxygen :bro:see: role for referencing any identifier in
the Bro domain. (Jon Siwek)
* Teach Broxygen to generate an index of Bro notices. (Jon Siwek)
* Fix order of include directories. (Jon Siwek)
* Catch if logged vectors do not contain only atomic types.
(Bernhard Amann)
2.0-beta-47 | 2011-11-16 08:24:33 -0800 2.0-beta-47 | 2011-11-16 08:24:33 -0800
* Catch if logged sets do not contain only atomic types. (Bernhard * Catch if logged sets do not contain only atomic types. (Bernhard

View file

@ -14,7 +14,7 @@ HAVE_MODULES=git submodule | grep -v cmake >/dev/null
all: configured all: configured
$(MAKE) -C $(BUILD) $@ $(MAKE) -C $(BUILD) $@
install: configured install: configured all
$(MAKE) -C $(BUILD) $@ $(MAKE) -C $(BUILD) $@
install-aux: configured install-aux: configured
@ -29,6 +29,18 @@ doc: configured
docclean: configured docclean: configured
$(MAKE) -C $(BUILD) $@ $(MAKE) -C $(BUILD) $@
restdoc: configured
$(MAKE) -C $(BUILD) $@
restclean: configured
$(MAKE) -C $(BUILD) $@
broxygen: configured
$(MAKE) -C $(BUILD) $@
broxygenclean: configured
$(MAKE) -C $(BUILD) $@
dist: dist:
@rm -rf $(VERSION_FULL) $(VERSION_FULL).tgz @rm -rf $(VERSION_FULL) $(VERSION_FULL).tgz
@rm -rf $(VERSION_MIN) $(VERSION_MIN).tgz @rm -rf $(VERSION_MIN) $(VERSION_MIN).tgz

View file

@ -1 +1 @@
2.0-beta-47 2.0-beta-155

@ -1 +1 @@
Subproject commit 34d90437403e4129468f89acce0bd1a99813a2f4 Subproject commit e94d92b01f327655fd2061157942b95ae75b5f0f

@ -1 +1 @@
Subproject commit 7ea5837b4ba8403731ca4a9875616c0ab501342f Subproject commit f6b92bf5732c26e54eb4387efadc612663980389

@ -1 +1 @@
Subproject commit d281350dbcc19c24aa6b6d89a4edc08a5c74a790 Subproject commit c5cee3d5746ed3d5c14348c1f264d19404caa761

@ -1 +1 @@
Subproject commit ed4d4ce1add51f0e08e6e8d2f5f247c2cbb422da Subproject commit d3d5934310a94452b1dddabb2e75f6c5c86b4860

@ -1 +1 @@
Subproject commit 7230a09a8c220d2117e491fdf293bf5c19819b65 Subproject commit 38890e851416fa9fc827a1d36f06c4cb9f7d4e69

2
cmake

@ -1 +1 @@
Subproject commit f0f7958639bb921985c1f58f1186da4b49b5d54d Subproject commit 0c0a4697687df7f17c09391a1d0d95b25297a662

View file

@ -17,9 +17,6 @@
/* We are on a Linux system */ /* We are on a Linux system */
#cmakedefine HAVE_LINUX #cmakedefine HAVE_LINUX
/* Define if you have the <magic.h> header file. */
#cmakedefine HAVE_MAGIC_H
/* Define if you have the `mallinfo' function. */ /* Define if you have the `mallinfo' function. */
#cmakedefine HAVE_MALLINFO #cmakedefine HAVE_MALLINFO

View file

@ -51,6 +51,8 @@ add_custom_target(broxygen
COMMAND "${CMAKE_COMMAND}" -E create_symlink COMMAND "${CMAKE_COMMAND}" -E create_symlink
${DOC_OUTPUT_DIR}/html ${DOC_OUTPUT_DIR}/html
${CMAKE_BINARY_DIR}/html ${CMAKE_BINARY_DIR}/html
# copy Broccoli API reference into output dir if it exists
COMMAND test -d ${CMAKE_BINARY_DIR}/aux/broccoli/doc/html && ( rm -rf ${CMAKE_BINARY_DIR}/html/broccoli-api && cp -r ${CMAKE_BINARY_DIR}/aux/broccoli/doc/html ${CMAKE_BINARY_DIR}/html/broccoli-api ) || true
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "[Sphinx] Generating HTML policy script docs" COMMENT "[Sphinx] Generating HTML policy script docs"
# SOURCES just adds stuff to IDE projects as a convenience # SOURCES just adds stuff to IDE projects as a convenience
@ -58,16 +60,16 @@ add_custom_target(broxygen
# The "sphinxclean" target removes just the Sphinx input/output directories # The "sphinxclean" target removes just the Sphinx input/output directories
# from the build directory. # from the build directory.
add_custom_target(broxygen-clean add_custom_target(broxygenclean
COMMAND "${CMAKE_COMMAND}" -E remove_directory COMMAND "${CMAKE_COMMAND}" -E remove_directory
${DOC_SOURCE_WORKDIR} ${DOC_SOURCE_WORKDIR}
COMMAND "${CMAKE_COMMAND}" -E remove_directory COMMAND "${CMAKE_COMMAND}" -E remove_directory
${DOC_OUTPUT_DIR} ${DOC_OUTPUT_DIR}
VERBATIM) VERBATIM)
add_dependencies(broxygen broxygen-clean restdoc) add_dependencies(broxygen broxygenclean restdoc)
add_custom_target(doc) add_custom_target(doc)
add_custom_target(docclean) add_custom_target(docclean)
add_dependencies(doc broxygen) add_dependencies(doc broxygen)
add_dependencies(docclean broxygen-clean restclean) add_dependencies(docclean broxygenclean restclean)

View file

@ -1,7 +0,0 @@
all:
test -d html || mkdir html
for i in *.rst; do echo "$$i ..."; ./bin/rst2html.py $$i >html/`echo $$i | sed 's/rst$$/html/g'`; done
clean:
rm -rf html

View file

@ -15,8 +15,9 @@ which adds some reST directives and roles that aid in generating useful
index entries and cross-references. Other extensions can be added in index entries and cross-references. Other extensions can be added in
a similar fashion. a similar fashion.
Either the ``make doc`` or ``make broxygen`` can be used to locally Either the ``make doc`` or ``make broxygen`` targets in the top-level
render the reST files into HTML. Those targets depend on: Makefile can be used to locally render the reST files into HTML.
Those targets depend on:
* Python interpreter >= 2.5 * Python interpreter >= 2.5
* `Sphinx <http://sphinx.pocoo.org/>`_ >= 1.0.1 * `Sphinx <http://sphinx.pocoo.org/>`_ >= 1.0.1

View file

@ -1,3 +1,16 @@
.highlight { h1 {
background-color: #ffffff; font-weight: bold;
font-size: 32px;
line-height:32px;
text-align: center;
padding-top: 3px;
margin-bottom: 30px;
font-family: Palatino,'Palatino Linotype',Georgia,serif;;
color: #000;
border-bottom: 0px;
}
th.field-name
{
white-space:nowrap;
} }

View file

@ -1,309 +0,0 @@
/*
* default.css_t
* ~~~~~~~~~~~~~
*
* Sphinx stylesheet -- default theme.
*
* :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details.
*
*/
@import url("basic.css");
/* -- page layout ----------------------------------------------------------- */
body {
font-family: {{ theme_bodyfont }};
font-size: 100%;
background-color: {{ theme_footerbgcolor }};
color: #000;
margin: 0;
padding: 0;
}
div.document {
background-color: {{ theme_sidebarbgcolor }};
}
div.documentwrapper {
float: left;
width: 100%;
}
div.bodywrapper {
margin: 0 0 0 {{ theme_sidebarwidth|toint }}px;
}
div.body {
background-color: {{ theme_bgcolor }};
color: {{ theme_textcolor }};
padding: 0 20px 30px 20px;
}
{%- if theme_rightsidebar|tobool %}
div.bodywrapper {
margin: 0 {{ theme_sidebarwidth|toint }}px 0 0;
}
{%- endif %}
div.footer {
color: {{ theme_footertextcolor }};
background-color: {{ theme_footerbgcolor }};
width: 100%;
padding: 9px 0 9px 0;
text-align: center;
font-size: 75%;
}
div.footer a {
color: {{ theme_footertextcolor }};
text-decoration: underline;
}
div.related {
background-color: {{ theme_relbarbgcolor }};
line-height: 30px;
color: {{ theme_relbartextcolor }};
}
div.related a {
color: {{ theme_relbarlinkcolor }};
}
div.sphinxsidebar {
{%- if theme_stickysidebar|tobool %}
top: 30px;
bottom: 0;
margin: 0;
position: fixed;
overflow: auto;
height: auto;
{%- endif %}
{%- if theme_rightsidebar|tobool %}
float: right;
{%- if theme_stickysidebar|tobool %}
right: 0;
{%- endif %}
{%- endif %}
}
{%- if theme_stickysidebar|tobool %}
/* this is nice, but it it leads to hidden headings when jumping
to an anchor */
/*
div.related {
position: fixed;
}
div.documentwrapper {
margin-top: 30px;
}
*/
{%- endif %}
div.sphinxsidebar h3 {
font-family: {{ theme_bodyfont }};
color: {{ theme_sidebartextcolor }};
font-size: 1.4em;
font-weight: normal;
margin: 0;
padding: 0;
}
div.sphinxsidebar h3 a {
color: {{ theme_sidebartextcolor }};
}
div.sphinxsidebar h4 {
font-family: {{ theme_bodyfont }};
color: {{ theme_sidebartextcolor }};
font-size: 1.3em;
font-weight: normal;
margin: 5px 0 0 0;
padding: 0;
}
div.sphinxsidebar p {
color: {{ theme_sidebartextcolor }};
}
div.sphinxsidebar p.topless {
margin: 5px 10px 10px 10px;
}
div.sphinxsidebar ul {
margin: 10px;
padding: 0;
color: {{ theme_sidebartextcolor }};
}
div.sphinxsidebar a {
color: {{ theme_sidebarlinkcolor }};
}
div.sphinxsidebar input {
border: 1px solid {{ theme_sidebarlinkcolor }};
font-family: sans-serif;
font-size: 1em;
}
{% if theme_collapsiblesidebar|tobool %}
/* for collapsible sidebar */
div#sidebarbutton {
background-color: {{ theme_sidebarbtncolor }};
}
{% endif %}
/* -- hyperlink styles ------------------------------------------------------ */
a {
color: {{ theme_linkcolor }};
text-decoration: none;
}
a:visited {
color: {{ theme_visitedlinkcolor }};
text-decoration: none;
}
{% if theme_externalrefs|tobool %}
a.external {
text-decoration: none;
border-bottom: 1px dashed {{ theme_linkcolor }};
}
a.external:hover {
text-decoration: none;
border-bottom: none;
}
a.external:visited {
text-decoration: none;
border-bottom: 1px dashed {{ theme_visitedlinkcolor }};
}
{% endif %}
/* -- body styles ----------------------------------------------------------- */
div.body h1,
div.body h2,
div.body h3,
div.body h4,
div.body h5,
div.body h6 {
font-family: {{ theme_bodyfont }};
background-color: #ffffff;
font-weight: normal;
color: {{ theme_headtextcolor }};
border-bottom: 1px solid #aaa;
margin: 20px -20px 10px -20px;
padding: 3px 0 3px 10px;
}
div.body h1 {
font-family: {{ theme_headfont }};
text-align: center;
border-bottom: none;
}
div.body h1 { margin-top: 0; font-size: 200%; }
div.body h2 { font-size: 160%; }
div.body h3 { font-size: 140%; }
div.body h4 { font-size: 120%; }
div.body h5 { font-size: 110%; }
div.body h6 { font-size: 100%; }
a.headerlink {
color: {{ theme_headlinkcolor }};
font-size: 0.8em;
padding: 0 4px 0 4px;
text-decoration: none;
}
a.headerlink:hover {
background-color: {{ theme_headlinkcolor }};
color: white;
}
div.admonition p.admonition-title + p {
display: inline;
}
div.admonition p {
margin-bottom: 5px;
}
div.admonition pre {
margin-bottom: 5px;
}
div.admonition ul, div.admonition ol {
margin-bottom: 5px;
}
div.note {
background-color: #eee;
border: 1px solid #ccc;
}
div.seealso {
background-color: #ffc;
border: 1px solid #ff6;
}
div.warning {
background-color: #ffe4e4;
border: 1px solid #f66;
}
p.admonition-title {
display: inline;
}
p.admonition-title:after {
content: ":";
}
pre {
padding: 5px;
background-color: {{ theme_codebgcolor }};
color: {{ theme_codetextcolor }};
line-height: 120%;
border: 1px solid #ac9;
border-left: none;
border-right: none;
}
tt {
background-color: #ecf0f3;
padding: 0 1px 0 1px;
font-size: 0.95em;
}
th {
background-color: #ede;
}
.warning tt {
background: #efc2c2;
}
.note tt {
background: #d6d6d6;
}
.viewcode-back {
font-family: {{ theme_bodyfont }};
}
div.viewcode-block:target {
background-color: #f4debf;
border-top: 1px solid #ac9;
border-bottom: 1px solid #ac9;
}
th.field-name
{
white-space:nowrap;
}

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@ -1,64 +0,0 @@
// make literal blocks corresponding to identifier initial values
// hidden by default
$(document).ready(function() {
var showText='(Show Value)';
var hideText='(Hide Value)';
var is_visible = false;
// select field-list tables that come before a literal block
tables = $('.highlight-python').prev('table.docutils.field-list');
tables.find('th.field-name').filter(function(index) {
return $(this).html() == "Default :";
}).next().append('<a href="#" class="toggleLink">'+showText+'</a>');
// hide all literal blocks that follow a field-list table
tables.next('.highlight-python').hide();
// register handler for clicking a "toggle" link
$('a.toggleLink').click(function() {
is_visible = !is_visible;
$(this).html( (!is_visible) ? showText : hideText);
// the link is inside a <table><tbody><tr><td> and the next
// literal block after the table is the literal block that we want
// to show/hide
$(this).parent().parent().parent().parent().next('.highlight-python').slideToggle('fast');
// override default link behavior
return false;
});
});
// make "Private Interface" sections hidden by default
$(document).ready(function() {
var showText='Show Private Interface (for internal use)';
var hideText='Hide Private Interface';
var is_visible = false;
// insert show/hide links
$('#private-interface').children(":first-child").after('<a href="#" class="privateToggle">'+showText+'</a>');
// wrap all sub-sections in a new div that can be hidden/shown
$('#private-interface').children(".section").wrapAll('<div class="private" />');
// hide the given class
$('.private').hide();
// register handler for clicking a "toggle" link
$('a.privateToggle').click(function() {
is_visible = !is_visible;
$(this).html( (!is_visible) ? showText : hideText);
$('.private').slideToggle('fast');
// override default link behavior
return false;
});
});

View file

@ -2,9 +2,110 @@
{% block extrahead %} {% block extrahead %}
<link rel="stylesheet" type="text/css" href="http://www.bro-ids.org/css/bro-ids.css" /> <link rel="stylesheet" type="text/css" href="http://www.bro-ids.org/css/bro-ids.css" />
<link rel="stylesheet" type="text/css" href="http://www.bro-ids.org/css/960.css" />
<link rel="stylesheet" type="text/css" href="http://www.bro-ids.org/css/pygments.css" /> <link rel="stylesheet" type="text/css" href="http://www.bro-ids.org/css/pygments.css" />
<link rel="stylesheet" type="text/css" href="{{ pathto('_static/broxygen-extra.css', 1) }}"></script> <link rel="stylesheet" type="text/css" href="{{ pathto('_static/broxygen-extra.css', 1) }}"></script>
<script type="text/javascript" src="{{ pathto('_static/download.js', 1) }}"></script> <script type="text/javascript" src="{{ pathto('_static/download.js', 1) }}"></script>
{% endblock %} {% endblock %}
{% block header %}
<iframe src="http://www.bro-ids.org/frames/header-no-logo.html" width="100%" height="100px" frameborder="0" marginheight="0" scrolling="no" marginwidth="0">
</iframe>
{% endblock %}
{% block relbar2 %}{% endblock %} {% block relbar2 %}{% endblock %}
{% block relbar1 %}{% endblock %}
{% block content %}
<div id="bro-main" class="clearfix">
<div class="container_12">
<div class="grid_9">
<div>
{{ relbar() }}
</div>
<div class="body">
{% block body %}
{% endblock %}
</div>
</div>
<!-- Sidebar -->
<div class="grid_3 omega">
<div>
<img id="logo" src="{{pathto('_static/logo-bro.png', 1)}}" alt="Logo" />
</div>
<br />
<div class="widget sidebar-toc">
<h3 class="widgettitle">
Table of Contents
</h3>
<p>
<ul>{{toc}}</ul>
</p>
</div>
{% if next %}
<div class="widget">
<h3 class="widgettitle">
Next Page
</h3>
<p>
<a href="{{ next.link|e }}">{{ next.title }}</a>
</p>
</div>
{% endif %}
{% if prev %}
<div class="widget">
<h3 class="widgettitle">
Previous Page
</h3>
<p>
<a href="{{ prev.link|e }}">{{ prev.title }}</a>
</p>
</div>
{% endif %}
{%- if pagename != "search" %}
<div id="searchbox" style="display: none" class="widget">
<h3 class="widgettitle">{{ _('Search') }}</h3>
<form class="search" action="{{ pathto('search') }}" method="get">
<input type="text" name="q" />
<input type="submit" value="{{ _('Search') }}" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
{%- endif %}
</div>
</div>
<div class="container_12">
<div class="grid_12 alpha omega">
<div class="center">
<small>
Copyright {{ copyright }}.
Last updated on {{ last_updated }}.
Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> {{ sphinx_version }}.
</small>
</div>
</div>
</div>
</div>
{% endblock %}
{% block footer %}
<iframe src="http://www.bro-ids.org/frames/footer.html" width="100%" height="420px" frameborder="0" marginheight="0" scrolling="no" marginwidth="0">
</iframe>
{% endblock %}

View file

@ -49,6 +49,7 @@ with open(group_list, 'r') as f_group_list:
if not os.path.exists(os.path.dirname(group_file)): if not os.path.exists(os.path.dirname(group_file)):
os.makedirs(os.path.dirname(group_file)) os.makedirs(os.path.dirname(group_file))
with open(group_file, 'w') as f_group_file: with open(group_file, 'w') as f_group_file:
f_group_file.write(":orphan:\n\n")
title = "Package Index: %s\n" % os.path.dirname(group) title = "Package Index: %s\n" % os.path.dirname(group)
f_group_file.write(title); f_group_file.write(title);
for n in range(len(title)): for n in range(len(title)):

View file

@ -1,62 +0,0 @@
#!/usr/bin/env python
#
# Derived from docutils standard rst2html.py.
#
# $Id: rst2html.py 4564 2006-05-21 20:44:42Z wiemann $
# Author: David Goodger <goodger@python.org>
# Copyright: This module has been placed in the public domain.
#
#
# Extension: we add to dummy directorives "code" and "console" to be
# compatible with Bro's web site setup.
try:
import locale
locale.setlocale(locale.LC_ALL, '')
except:
pass
import textwrap
from docutils.core import publish_cmdline, default_description
from docutils import nodes
from docutils.parsers.rst import directives, Directive
from docutils.parsers.rst.directives.body import LineBlock
class Literal(Directive):
#max_line_length = 68
max_line_length = 0
required_arguments = 0
optional_arguments = 1
final_argument_whitespace = True
has_content = True
def wrapped_content(self):
content = []
if Literal.max_line_length:
for line in self.content:
content += textwrap.wrap(line, Literal.max_line_length, subsequent_indent=" ")
else:
content = self.content
return u'\n'.join(content)
def run(self):
self.assert_has_content()
content = self.wrapped_content()
literal = nodes.literal_block(content, content)
return [literal]
directives.register_directive('code', Literal)
directives.register_directive('console', Literal)
description = ('Generates (X)HTML documents from standalone reStructuredText '
'sources. ' + default_description)
publish_cmdline(writer_name='html', description=description)

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@ -0,0 +1 @@
../../../aux/binpac/README

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@ -0,0 +1 @@
../../../aux/bro-aux/README

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@ -0,0 +1 @@
../../../aux/broccoli/bindings/broccoli-ruby/README

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@ -0,0 +1 @@
../../../aux/broccoli/doc/broccoli-manual.rst

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@ -90,44 +90,20 @@ pygments_style = 'sphinx'
# The theme to use for HTML and HTML Help pages. See the documentation for # The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes. # a list of builtin themes.
html_theme = 'default' html_theme = 'basic'
html_last_updated_fmt = '%B %d, %Y' html_last_updated_fmt = '%B %d, %Y'
# Theme options are theme-specific and customize the look and feel of a theme # Theme options are theme-specific and customize the look and feel of a theme
# further. For a list of options available for each theme, see the # further. For a list of options available for each theme, see the
# documentation. # documentation.
html_theme_options = { html_theme_options = { }
"rightsidebar": "true",
"stickysidebar": "true",
"externalrefs": "false",
"footerbgcolor": "#333",
"footertextcolor": "#ddd",
"sidebarbgcolor": "#ffffff",
#"sidebarbtncolor": "",
"sidebartextcolor": "#333",
"sidebarlinkcolor": "#2a85a7",
"relbarbgcolor": "#ffffff",
"relbartextcolor": "#333",
"relbarlinkcolor": "#2a85a7",
"bgcolor": "#ffffff",
"textcolor": "#333",
"linkcolor": "#2a85a7",
"visitedlinkcolor": "#2a85a7",
"headbgcolor": "#f0f0f0",
"headtextcolor": "#000",
"headlinkcolor": "#2a85a7",
"codebgcolor": "#FFFAE2",
#"codetextcolor": "",
"bodyfont": "Arial, Helvetica, sans-serif",
"headfont": "Palatino,'Palatino Linotype',Georgia,serif",
}
# Add any paths that contain custom themes here, relative to this directory. # Add any paths that contain custom themes here, relative to this directory.
#html_theme_path = [] #html_theme_path = []
# The name for this set of Sphinx documents. If None, it defaults to # The name for this set of Sphinx documents. If None, it defaults to
# "<project> v<release> documentation". # "<project> v<release> Documentation".
#html_title = None #html_title = None
# A shorter title for the navigation bar. Default is the same as html_title. # A shorter title for the navigation bar. Default is the same as html_title.

View file

@ -257,6 +257,9 @@ class BroDomain(Domain):
objects[objtype, target], objects[objtype, target],
objtype + '-' + target, objtype + '-' + target,
contnode, target + ' ' + objtype) contnode, target + ' ' + objtype)
else:
self.env.warn(fromdocname,
'unknown target for ":bro:%s:`%s`"' % (typ, target))
def get_objects(self): def get_objects(self):
for (typ, name), docname in self.data['objects'].iteritems(): for (typ, name), docname in self.data['objects'].iteritems():

View file

@ -1,8 +1,12 @@
.. Bro documentation master file .. Bro documentation master file
=================
Bro Documentation Bro Documentation
================= =================
Guides
------
.. toctree:: .. toctree::
:maxdepth: 1 :maxdepth: 1
@ -37,7 +41,6 @@ Script Reference
.. toctree:: .. toctree::
:maxdepth: 1 :maxdepth: 1
scripts/common
scripts/builtins scripts/builtins
scripts/bifs scripts/bifs
scripts/packages scripts/packages
@ -46,16 +49,29 @@ Script Reference
Other Bro Components Other Bro Components
-------------------- --------------------
The following are snapshots of documentation for components that come
with this version of Bro (|version|). Since they can also be used
independently, see the `download page
<http://bro-ids.org/download/index.html>`_ for documentation of any
current, independent component releases.
.. toctree:: .. toctree::
:maxdepth: 1 :maxdepth: 1
components/btest/README BinPAC - A protocol parser generator <components/binpac/README>
components/broccoli/README Broccoli - The Bro Client Communication Library (README) <components/broccoli/README>
components/broccoli-python/README Broccoli - User Manual <components/broccoli/broccoli-manual>
components/broctl/README Broccoli Python Bindings <components/broccoli-python/README>
components/capstats/README Broccoli Ruby Bindings <components/broccoli-ruby/README>
components/pysubnettree/README BroControl - Interactive Bro management shell <components/broctl/README>
components/trace-summary/README Bro-Aux - Small auxiliary tools for Bro <components/bro-aux/README>
BTest - A unit testing framework <components/btest/README>
Capstats - Command-line packet statistic tool <components/capstats/README>
PySubnetTree - Python module for CIDR lookups<components/pysubnettree/README>
trace-summary - Script for generating break-downs of network traffic <components/trace-summary/README>
The `Broccoli API Reference <broccoli-api/index.html>`_ may also be of
interest.
Other Indices and References Other Indices and References
---------------------------- ----------------------------

View file

@ -29,17 +29,18 @@ definitions of what constitutes an attack or even a compromise differ quite a
bit between environments, and activity deemed malicious at one site might be bit between environments, and activity deemed malicious at one site might be
fully acceptable at another. fully acceptable at another.
Whenever one of Bro's analysis scripts sees something potentially interesting Whenever one of Bro's analysis scripts sees something potentially
it flags the situation by calling the ``NOTICE`` function and giving it a interesting it flags the situation by calling the :bro:see:`NOTICE`
single ``Notice::Info`` record. A Notice has a ``Notice::Type``, which function and giving it a single :bro:see:`Notice::Info` record. A Notice
reflects the kind of activity that has been seen, and it is usually also has a :bro:see:`Notice::Type`, which reflects the kind of activity that
augmented with further context about the situation. has been seen, and it is usually also augmented with further context
about the situation.
More information about raising notices can be found in the `Raising Notices`_ More information about raising notices can be found in the `Raising Notices`_
section. section.
Once a notice is raised, it can have any number of actions applied to it by Once a notice is raised, it can have any number of actions applied to it by
the ``Notice::policy`` set which is described in the `Notice Policy`_ the :bro:see:`Notice::policy` set which is described in the `Notice Policy`_
section below. Such actions can be to send a mail to the configured section below. Such actions can be to send a mail to the configured
address(es) or to simply ignore the notice. Currently, the following actions address(es) or to simply ignore the notice. Currently, the following actions
are defined: are defined:
@ -52,20 +53,20 @@ are defined:
- Description - Description
* - Notice::ACTION_LOG * - Notice::ACTION_LOG
- Write the notice to the ``Notice::LOG`` logging stream. - Write the notice to the :bro:see:`Notice::LOG` logging stream.
* - Notice::ACTION_ALARM * - Notice::ACTION_ALARM
- Log into the ``Notice::ALARM_LOG`` stream which will rotate - Log into the :bro:see:`Notice::ALARM_LOG` stream which will rotate
hourly and email the contents to the email address or addresses hourly and email the contents to the email address or addresses
defined in the ``Notice::mail_dest`` variable. defined in the :bro:see:`Notice::mail_dest` variable.
* - Notice::ACTION_EMAIL * - Notice::ACTION_EMAIL
- Send the notice in an email to the email address or addresses given in - Send the notice in an email to the email address or addresses given in
the ``Notice::mail_dest`` variable. the :bro:see:`Notice::mail_dest` variable.
* - Notice::ACTION_PAGE * - Notice::ACTION_PAGE
- Send an email to the email address or addresses given in the - Send an email to the email address or addresses given in the
``Notice::mail_page_dest`` variable. :bro:see:`Notice::mail_page_dest` variable.
* - Notice::ACTION_NO_SUPPRESS * - Notice::ACTION_NO_SUPPRESS
- This action will disable the built in notice suppression for the - This action will disable the built in notice suppression for the
@ -82,15 +83,17 @@ Processing Notices
Notice Policy Notice Policy
************* *************
The predefined set ``Notice::policy`` provides the mechanism for applying The predefined set :bro:see:`Notice::policy` provides the mechanism for
actions and other behavior modifications to notices. Each entry of applying actions and other behavior modifications to notices. Each entry
``Notice::policy`` is a record of the type ``Notice::PolicyItem`` which of :bro:see:`Notice::policy` is a record of the type
defines a condition to be matched against all raised notices and one or more :bro:see:`Notice::PolicyItem` which defines a condition to be matched
of a variety of behavior modifiers. The notice policy is defined by adding any against all raised notices and one or more of a variety of behavior
number of ``Notice::PolicyItem`` records to the ``Notice::policy`` set. modifiers. The notice policy is defined by adding any number of
:bro:see:`Notice::PolicyItem` records to the :bro:see:`Notice::policy`
set.
Here's a simple example which tells Bro to send an email for all notices of Here's a simple example which tells Bro to send an email for all notices of
type ``SSH::Login`` if the server is 10.0.0.1: type :bro:see:`SSH::Login` if the server is 10.0.0.1:
.. code:: bro .. code:: bro
@ -113,11 +116,11 @@ flexibility due to having access to Bro's full programming language.
Predicate Field Predicate Field
^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^
The ``Notice::PolicyItem`` record type has a field name ``$pred`` which The :bro:see:`Notice::PolicyItem` record type has a field name ``$pred``
defines the entry's condition in the form of a predicate written as a Bro which defines the entry's condition in the form of a predicate written
function. The function is passed the notice as a ``Notice::Info`` record and as a Bro function. The function is passed the notice as a
it returns a boolean value indicating if the entry is applicable to that :bro:see:`Notice::Info` record and it returns a boolean value indicating
particular notice. if the entry is applicable to that particular notice.
.. note:: .. note::
@ -125,14 +128,14 @@ particular notice.
(``T``) since an implicit false (``F``) value would never be used. (``T``) since an implicit false (``F``) value would never be used.
Bro evaluates the predicates of each entry in the order defined by the Bro evaluates the predicates of each entry in the order defined by the
``$priority`` field in ``Notice::PolicyItem`` records. The valid values are ``$priority`` field in :bro:see:`Notice::PolicyItem` records. The valid
0-10 with 10 being earliest evaluated. If ``$priority`` is omitted, the values are 0-10 with 10 being earliest evaluated. If ``$priority`` is
default priority is 5. omitted, the default priority is 5.
Behavior Modification Fields Behavior Modification Fields
^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
There are a set of fields in the ``Notice::PolicyItem`` record type that There are a set of fields in the :bro:see:`Notice::PolicyItem` record type that
indicate ways that either the notice or notice processing should be modified indicate ways that either the notice or notice processing should be modified
if the predicate field (``$pred``) evaluated to true (``T``). Those fields are if the predicate field (``$pred``) evaluated to true (``T``). Those fields are
explained in more detail in the following table. explained in more detail in the following table.
@ -146,8 +149,8 @@ explained in more detail in the following table.
- Example - Example
* - ``$action=<Notice::Action>`` * - ``$action=<Notice::Action>``
- Each Notice::PolicyItem can have a single action applied to the notice - Each :bro:see:`Notice::PolicyItem` can have a single action
with this field. applied to the notice with this field.
- ``$action = Notice::ACTION_EMAIL`` - ``$action = Notice::ACTION_EMAIL``
* - ``$suppress_for=<interval>`` * - ``$suppress_for=<interval>``
@ -162,9 +165,9 @@ explained in more detail in the following table.
- This field can be used for modification of the notice policy - This field can be used for modification of the notice policy
evaluation. To stop processing of notice policy items before evaluation. To stop processing of notice policy items before
evaluating all of them, set this field to ``T`` and make the ``$pred`` evaluating all of them, set this field to ``T`` and make the ``$pred``
field return ``T``. ``Notice::PolicyItem`` records defined at a higher field return ``T``. :bro:see:`Notice::PolicyItem` records defined at
priority as defined by the ``$priority`` field will still be evaluated a higher priority as defined by the ``$priority`` field will still be
but those at a lower priority won't. evaluated but those at a lower priority won't.
- ``$halt = T`` - ``$halt = T``
@ -186,11 +189,11 @@ Notice Policy Shortcuts
Although the notice framework provides a great deal of flexibility and Although the notice framework provides a great deal of flexibility and
configurability there are many times that the full expressiveness isn't needed configurability there are many times that the full expressiveness isn't needed
and actually becomes a hindrance to achieving results. The framework provides and actually becomes a hindrance to achieving results. The framework provides
a default ``Notice::policy`` suite as a way of giving users the a default :bro:see:`Notice::policy` suite as a way of giving users the
shortcuts to easily apply many common actions to notices. shortcuts to easily apply many common actions to notices.
These are implemented as sets and tables indexed with a These are implemented as sets and tables indexed with a
``Notice::Type`` enum value. The following table shows and describes :bro:see:`Notice::Type` enum value. The following table shows and describes
all of the variables available for shortcut configuration of the notice all of the variables available for shortcut configuration of the notice
framework. framework.
@ -201,40 +204,44 @@ framework.
* - Variable name * - Variable name
- Description - Description
* - Notice::ignored_types * - :bro:see:`Notice::ignored_types`
- Adding a ``Notice::Type`` to this set results in the notice - Adding a :bro:see:`Notice::Type` to this set results in the notice
being ignored. It won't have any other action applied to it, not even being ignored. It won't have any other action applied to it, not even
``Notice::ACTION_LOG``. :bro:see:`Notice::ACTION_LOG`.
* - Notice::emailed_types * - :bro:see:`Notice::emailed_types`
- Adding a ``Notice::Type`` to this set results in - Adding a :bro:see:`Notice::Type` to this set results in
``Notice::ACTION_EMAIL`` being applied to the notices of that type. :bro:see:`Notice::ACTION_EMAIL` being applied to the notices of
that type.
* - Notice::alarmed_types * - :bro:see:`Notice::alarmed_types`
- Adding a Notice::Type to this set results in - Adding a :bro:see:`Notice::Type` to this set results in
``Notice::ACTION_ALARM`` being applied to the notices of that type. :bro:see:`Notice::ACTION_ALARM` being applied to the notices of
that type.
* - Notice::not_suppressed_types * - :bro:see:`Notice::not_suppressed_types`
- Adding a ``Notice::Type`` to this set results in that notice no longer - Adding a :bro:see:`Notice::Type` to this set results in that notice
undergoing the normal notice suppression that would take place. Be no longer undergoes the normal notice suppression that would
careful when using this in production it could result in a dramatic take place. Be careful when using this in production it could
increase in the number of notices being processed. result in a dramatic increase in the number of notices being
processed.
* - Notice::type_suppression_intervals * - :bro:see:`Notice::type_suppression_intervals`
- This is a table indexed on ``Notice::Type`` and yielding an interval. - This is a table indexed on :bro:see:`Notice::Type` and yielding an
It can be used as an easy way to extend the default suppression interval. It can be used as an easy way to extend the default
interval for an entire ``Notice::Type`` without having to create a suppression interval for an entire :bro:see:`Notice::Type`
whole ``Notice::policy`` entry and setting the ``$suppress_for`` without having to create a whole :bro:see:`Notice::policy` entry
field. and setting the ``$suppress_for`` field.
Raising Notices Raising Notices
--------------- ---------------
A script should raise a notice for any occurrence that a user may want to be A script should raise a notice for any occurrence that a user may want
notified about or take action on. For example, whenever the base SSH analysis to be notified about or take action on. For example, whenever the base
scripts sees an SSH session where it is heuristically guessed to be a SSH analysis scripts sees an SSH session where it is heuristically
successful login, it raises a Notice of the type ``SSH::Login``. The code in guessed to be a successful login, it raises a Notice of the type
the base SSH analysis script looks like this: :bro:see:`SSH::Login`. The code in the base SSH analysis script looks
like this:
.. code:: bro .. code:: bro
@ -242,10 +249,10 @@ the base SSH analysis script looks like this:
$msg="Heuristically detected successful SSH login.", $msg="Heuristically detected successful SSH login.",
$conn=c]); $conn=c]);
``NOTICE`` is a normal function in the global namespace which wraps a function :bro:see:`NOTICE` is a normal function in the global namespace which
within the ``Notice`` namespace. It takes a single argument of the wraps a function within the ``Notice`` namespace. It takes a single
``Notice::Info`` record type. The most common fields used when raising notices argument of the :bro:see:`Notice::Info` record type. The most common
are described in the following table: fields used when raising notices are described in the following table:
.. list-table:: .. list-table::
:widths: 32 40 :widths: 32 40
@ -295,9 +302,10 @@ are described in the following table:
* - ``$suppress_for`` * - ``$suppress_for``
- This field can be set if there is a natural suppression interval for - This field can be set if there is a natural suppression interval for
the notice that may be different than the default value. The value set the notice that may be different than the default value. The
to this field can also be modified by a user's ``Notice::policy`` so value set to this field can also be modified by a user's
the value is not set permanently and unchangeably. :bro:see:`Notice::policy` so the value is not set permanently
and unchangeably.
When writing Bro scripts which raise notices, some thought should be given to When writing Bro scripts which raise notices, some thought should be given to
what the notice represents and what data should be provided to give a consumer what the notice represents and what data should be provided to give a consumer
@ -325,7 +333,7 @@ The notice framework supports suppression for notices if the author of the
script that is generating the notice has indicated to the notice framework how script that is generating the notice has indicated to the notice framework how
to identify notices that are intrinsically the same. Identification of these to identify notices that are intrinsically the same. Identification of these
"intrinsically duplicate" notices is implemented with an optional field in "intrinsically duplicate" notices is implemented with an optional field in
``Notice::Info`` records named ``$identifier`` which is a simple string. :bro:see:`Notice::Info` records named ``$identifier`` which is a simple string.
If the ``$identifier`` and ``$type`` fields are the same for two notices, the If the ``$identifier`` and ``$type`` fields are the same for two notices, the
notice framework actually considers them to be the same thing and can use that notice framework actually considers them to be the same thing and can use that
information to suppress duplicates for a configurable period of time. information to suppress duplicates for a configurable period of time.
@ -337,12 +345,13 @@ information to suppress duplicates for a configurable period of time.
could be completely legitimate usage if no notices could ever be could be completely legitimate usage if no notices could ever be
considered to be duplicates. considered to be duplicates.
The ``$identifier`` field is typically comprised of several pieces of data The ``$identifier`` field is typically comprised of several pieces of
related to the notice that when combined represent a unique instance of that data related to the notice that when combined represent a unique
notice. Here is an example of the script instance of that notice. Here is an example of the script
``policy/protocols/ssl/validate-certs.bro`` raising a notice for session :doc:`scripts/policy/protocols/ssl/validate-certs` raising a notice
negotiations where the certificate or certificate chain did not validate for session negotiations where the certificate or certificate chain did
successfully against the available certificate authority certificates. not validate successfully against the available certificate authority
certificates.
.. code:: bro .. code:: bro
@ -369,7 +378,7 @@ it's assumed that the script author who is raising the notice understands the
full problem set and edge cases of the notice which may not be readily full problem set and edge cases of the notice which may not be readily
apparent to users. If users don't want the suppression to take place or simply apparent to users. If users don't want the suppression to take place or simply
want a different interval, they can always modify it with the want a different interval, they can always modify it with the
``Notice::policy``. :bro:see:`Notice::policy`.
Extending Notice Framework Extending Notice Framework

View file

@ -73,12 +73,14 @@ macro(REST_TARGET srcDir broInput)
elseif (${extension} STREQUAL ".bif.bro") elseif (${extension} STREQUAL ".bif.bro")
set(group bifs) set(group bifs)
elseif (relDstDir) elseif (relDstDir)
set(pkgIndex ${relDstDir}/index) set(group ${relDstDir}/index)
set(group ${pkgIndex})
# add package index to master package list if not already in it # add package index to master package list if not already in it
list(FIND MASTER_PKG_LIST ${pkgIndex} _found) # and if a __load__.bro exists in the original script directory
list(FIND MASTER_PKG_LIST ${relDstDir} _found)
if (_found EQUAL -1) if (_found EQUAL -1)
list(APPEND MASTER_PKG_LIST ${pkgIndex}) if (EXISTS ${CMAKE_SOURCE_DIR}/scripts/${relDstDir}/__load__.bro)
list(APPEND MASTER_PKG_LIST ${relDstDir})
endif ()
endif () endif ()
else () else ()
set(group "") set(group "")
@ -137,11 +139,15 @@ file(WRITE ${MASTER_POLICY_INDEX} "${MASTER_POLICY_INDEX_TEXT}")
# policy/packages.rst file # policy/packages.rst file
set(MASTER_PKG_INDEX_TEXT "") set(MASTER_PKG_INDEX_TEXT "")
foreach (pkg ${MASTER_PKG_LIST}) foreach (pkg ${MASTER_PKG_LIST})
# strip of the trailing /index for the link name set(MASTER_PKG_INDEX_TEXT
get_filename_component(lnktxt ${pkg} PATH) "${MASTER_PKG_INDEX_TEXT}\n:doc:`${pkg} <${pkg}/index>`\n")
# pretty-up the link name by removing common scripts/ prefix if (EXISTS ${CMAKE_SOURCE_DIR}/scripts/${pkg}/README)
string(REPLACE "scripts/" "" lnktxt "${lnktxt}") file(STRINGS ${CMAKE_SOURCE_DIR}/scripts/${pkg}/README pkgreadme)
set(MASTER_PKG_INDEX_TEXT "${MASTER_PKG_INDEX_TEXT}\n ${lnktxt} <${pkg}>") foreach (line ${pkgreadme})
set(MASTER_PKG_INDEX_TEXT "${MASTER_PKG_INDEX_TEXT}\n ${line}")
endforeach ()
set(MASTER_PKG_INDEX_TEXT "${MASTER_PKG_INDEX_TEXT}\n")
endif ()
endforeach () endforeach ()
file(WRITE ${MASTER_PACKAGE_INDEX} "${MASTER_PKG_INDEX_TEXT}") file(WRITE ${MASTER_PACKAGE_INDEX} "${MASTER_PKG_INDEX_TEXT}")

View file

@ -1,6 +1,6 @@
This directory contains scripts and templates that can be used to automate This directory contains scripts and templates that can be used to automate
the generation of Bro script documentation. Several build targets are defined the generation of Bro script documentation. Several build targets are defined
by CMake: by CMake and available in the top-level Makefile:
``restdoc`` ``restdoc``

View file

@ -1,19 +0,0 @@
Common Documentation
====================
.. _common_port_analysis_doc:
Port Analysis
-------------
TODO: add some stuff here
.. _common_packet_filter_doc:
Packet Filter
-------------
TODO: add some stuff here
.. note:: Filters are only relevant when dynamic protocol detection (DPD)
is explicitly turned off (Bro release 1.6 enabled DPD by default).

View file

@ -1,5 +1,5 @@
##! This is an example script that demonstrates how to document. Comments ##! This is an example script that demonstrates documentation features.
##! of the form ``##!`` are for the script summary. The contents of ##! Comments of the form ``##!`` are for the script summary. The contents of
##! these comments are transferred directly into the auto-generated ##! these comments are transferred directly into the auto-generated
##! `reStructuredText <http://docutils.sourceforge.net/rst.html>`_ ##! `reStructuredText <http://docutils.sourceforge.net/rst.html>`_
##! (reST) document's summary section. ##! (reST) document's summary section.
@ -22,8 +22,8 @@
# field comments, it's necessary to disambiguate the field with # field comments, it's necessary to disambiguate the field with
# which a comment associates: e.g. "##<" can be used on the same line # which a comment associates: e.g. "##<" can be used on the same line
# as a field to signify the comment relates to it and not the # as a field to signify the comment relates to it and not the
# following field. "##<" is not meant for general use, just # following field. "##<" can also be used more generally in any
# record/enum fields. # variable declarations to associate with the last-declared identifier.
# #
# Generally, the auto-doc comments (##) are associated with the # Generally, the auto-doc comments (##) are associated with the
# next declaration/identifier found in the script, but the doc framework # next declaration/identifier found in the script, but the doc framework
@ -151,7 +151,7 @@ export {
const an_option: set[addr, addr, string] &redef; const an_option: set[addr, addr, string] &redef;
# default initialization will be self-documenting # default initialization will be self-documenting
const option_with_init = 0.01 secs &redef; const option_with_init = 0.01 secs &redef; ##< More docs can be added here.
############## state variables ############ ############## state variables ############
# right now, I'm defining this as any global # right now, I'm defining this as any global
@ -183,6 +183,7 @@ export {
## Summarize "an_event" here. ## Summarize "an_event" here.
## Give more details about "an_event" here. ## Give more details about "an_event" here.
## Example::an_event should not be confused as a parameter.
## name: describe the argument here ## name: describe the argument here
global an_event: event(name: string); global an_event: event(name: string);

View file

@ -1,7 +1,7 @@
.. This is a stub doc to which broxygen appends during the build process .. This is a stub doc to which broxygen appends during the build process
Index of All Bro Scripts Index of All Individual Bro Scripts
======================== ===================================
.. toctree:: .. toctree::
:maxdepth: 1 :maxdepth: 1

View file

@ -10,8 +10,3 @@ script, it supports being loaded in mass as a whole directory for convenience.
Packages/scripts in the ``base/`` directory are all loaded by default, while Packages/scripts in the ``base/`` directory are all loaded by default, while
ones in ``policy/`` provide functionality and customization options that are ones in ``policy/`` provide functionality and customization options that are
more appropriate for users to decide whether they'd like to load it or not. more appropriate for users to decide whether they'd like to load it or not.
.. toctree::
:maxdepth: 1

View file

@ -28,17 +28,14 @@ redef Communication::listen_port = Cluster::nodes[Cluster::node]$p;
@if ( Cluster::local_node_type() == Cluster::MANAGER ) @if ( Cluster::local_node_type() == Cluster::MANAGER )
@load ./nodes/manager @load ./nodes/manager
@load site/local-manager
@endif @endif
@if ( Cluster::local_node_type() == Cluster::PROXY ) @if ( Cluster::local_node_type() == Cluster::PROXY )
@load ./nodes/proxy @load ./nodes/proxy
@load site/local-proxy
@endif @endif
@if ( Cluster::local_node_type() == Cluster::WORKER ) @if ( Cluster::local_node_type() == Cluster::WORKER )
@load ./nodes/worker @load ./nodes/worker
@load site/local-worker
@endif @endif
@endif @endif

View file

@ -41,7 +41,7 @@ event bro_init() &priority=9
{ {
if ( n$node_type == WORKER && n$proxy == node ) if ( n$node_type == WORKER && n$proxy == node )
Communication::nodes[i] = Communication::nodes[i] =
[$host=n$ip, $connect=F, $class=i, $events=worker2proxy_events]; [$host=n$ip, $connect=F, $class=i, $sync=T, $auth=T, $events=worker2proxy_events];
# accepts connections from the previous one. # accepts connections from the previous one.
# (This is not ideal for setups with many proxies) # (This is not ideal for setups with many proxies)

View file

@ -130,6 +130,13 @@ event remote_log(level: count, src: count, msg: string)
do_script_log_common(level, src, msg); do_script_log_common(level, src, msg);
} }
# This is a core generated event.
event remote_log_peer(p: event_peer, level: count, src: count, msg: string)
{
local rmsg = fmt("[#%d/%s:%d] %s", p$id, p$host, p$p, msg);
do_script_log_common(level, src, rmsg);
}
function do_script_log(p: event_peer, msg: string) function do_script_log(p: event_peer, msg: string)
{ {
do_script_log_common(REMOTE_LOG_INFO, REMOTE_SRC_SCRIPT, msg); do_script_log_common(REMOTE_LOG_INFO, REMOTE_SRC_SCRIPT, msg);

View file

@ -80,15 +80,15 @@ signature irc_server_reply {
tcp-state responder tcp-state responder
} }
signature irc_sig3 { signature irc_server_to_server1 {
ip-proto == tcp ip-proto == tcp
payload /(.*\x0a)*(\x20)*[Ss][Ee][Rr][Vv][Ee][Rr](\x20)+.+\x0a/ payload /(|.*[\r\n]) *[Ss][Ee][Rr][Vv][Ee][Rr] +[^ ]+ +[0-9]+ +:.+[\r\n]/
} }
signature irc_sig4 { signature irc_server_to_server2 {
ip-proto == tcp ip-proto == tcp
payload /(.*\x0a)*(\x20)*[Ss][Ee][Rr][Vv][Ee][Rr](\x20)+.+\x0a/ payload /(|.*[\r\n]) *[Ss][Ee][Rr][Vv][Ee][Rr] +[^ ]+ +[0-9]+ +:.+[\r\n]/
requires-reverse-signature irc_sig3 requires-reverse-signature irc_server_to_server1
enable "irc" enable "irc"
} }

View file

@ -19,8 +19,9 @@ export {
## Separator between set elements. ## Separator between set elements.
const set_separator = "," &redef; const set_separator = "," &redef;
## String to use for empty fields. ## String to use for empty fields. This should be different from
const empty_field = "-" &redef; ## *unset_field* to make the output non-ambigious.
const empty_field = "(empty)" &redef;
## String to use for an unset &optional field. ## String to use for an unset &optional field.
const unset_field = "-" &redef; const unset_field = "-" &redef;

View file

@ -31,6 +31,7 @@ export {
## Add a helper to the notice policy for looking up GeoIP data. ## Add a helper to the notice policy for looking up GeoIP data.
redef Notice::policy += { redef Notice::policy += {
[$pred(n: Notice::Info) = { return (n$note in Notice::lookup_location_types); }, [$pred(n: Notice::Info) = { return (n$note in Notice::lookup_location_types); },
$action = ACTION_ADD_GEODATA,
$priority = 10], $priority = 10],
}; };
} }

View file

@ -10,18 +10,22 @@ module Notice;
export { export {
## Activate pretty-printed alarm summaries. ## Activate pretty-printed alarm summaries.
const pretty_print_alarms = T &redef; const pretty_print_alarms = T &redef;
## Address to send the pretty-printed reports to. Default if not set is ## Address to send the pretty-printed reports to. Default if not set is
## :bro:id:`Notice::mail_dest`. ## :bro:id:`Notice::mail_dest`.
const mail_dest_pretty_printed = "" &redef; const mail_dest_pretty_printed = "" &redef;
## If an address from one of these networks is reported, we mark ## If an address from one of these networks is reported, we mark
## the entry with an addition quote symbol (i.e., ">"). Many MUAs ## the entry with an addition quote symbol (i.e., ">"). Many MUAs
## then highlight such lines differently. ## then highlight such lines differently.
global flag_nets: set[subnet] &redef; global flag_nets: set[subnet] &redef;
## Function that renders a single alarm. Can be overidden. ## Function that renders a single alarm. Can be overidden.
global pretty_print_alarm: function(out: file, n: Info) &redef; global pretty_print_alarm: function(out: file, n: Info) &redef;
## Force generating mail file, even if reading from traces or no mail
## destination is defined. This is mainly for testing.
global force_email_summaries = F &redef;
} }
# We maintain an old-style file recording the pretty-printed alarms. # We maintain an old-style file recording the pretty-printed alarms.
@ -32,6 +36,9 @@ global pp_alarms_open: bool = F;
# Returns True if pretty-printed alarm summaries are activated. # Returns True if pretty-printed alarm summaries are activated.
function want_pp() : bool function want_pp() : bool
{ {
if ( force_email_summaries )
return T;
return (pretty_print_alarms && ! reading_traces() return (pretty_print_alarms && ! reading_traces()
&& (mail_dest != "" || mail_dest_pretty_printed != "")); && (mail_dest != "" || mail_dest_pretty_printed != ""));
} }
@ -41,38 +48,49 @@ function pp_open()
{ {
if ( pp_alarms_open ) if ( pp_alarms_open )
return; return;
pp_alarms_open = T; pp_alarms_open = T;
pp_alarms = open(pp_alarms_name); pp_alarms = open(pp_alarms_name);
local dest = mail_dest_pretty_printed != "" ? mail_dest_pretty_printed
: mail_dest;
local headers = email_headers("Alarm summary", dest);
write_file(pp_alarms, headers + "\n");
} }
# Closes and mails out the current output file. # Closes and mails out the current output file.
function pp_send() function pp_send(rinfo: Log::RotationInfo)
{ {
if ( ! pp_alarms_open ) if ( ! pp_alarms_open )
return; return;
write_file(pp_alarms, "\n\n--\n[Automatically generated]\n\n"); write_file(pp_alarms, "\n\n--\n[Automatically generated]\n\n");
close(pp_alarms); close(pp_alarms);
system(fmt("/bin/cat %s | %s -t -oi && /bin/rm %s",
pp_alarms_name, sendmail, pp_alarms_name));
pp_alarms_open = F; pp_alarms_open = F;
local from = strftime("%H:%M:%S", rinfo$open);
local to = strftime("%H:%M:%S", rinfo$close);
local subject = fmt("Alarm summary from %s-%s", from, to);
local dest = mail_dest_pretty_printed != "" ? mail_dest_pretty_printed
: mail_dest;
if ( dest == "" )
# No mail destination configured, just leave the file alone. This is mainly for
# testing.
return;
local headers = email_headers(subject, dest);
local header_name = pp_alarms_name + ".tmp";
local header = open(header_name);
write_file(header, headers + "\n");
close(header);
system(fmt("/bin/cat %s %s | %s -t -oi && /bin/rm -f %s %s",
header_name, pp_alarms_name, sendmail, header_name, pp_alarms_name));
} }
# Postprocessor function that triggers the email. # Postprocessor function that triggers the email.
function pp_postprocessor(info: Log::RotationInfo): bool function pp_postprocessor(info: Log::RotationInfo): bool
{ {
if ( want_pp() ) if ( want_pp() )
pp_send(); pp_send(info);
return T; return T;
} }
@ -80,7 +98,7 @@ event bro_init()
{ {
if ( ! want_pp() ) if ( ! want_pp() )
return; return;
# This replaces the standard non-pretty-printing filter. # This replaces the standard non-pretty-printing filter.
Log::add_filter(Notice::ALARM_LOG, Log::add_filter(Notice::ALARM_LOG,
[$name="alarm-mail", $writer=Log::WRITER_NONE, [$name="alarm-mail", $writer=Log::WRITER_NONE,
@ -92,13 +110,13 @@ event notice(n: Notice::Info) &priority=-5
{ {
if ( ! want_pp() ) if ( ! want_pp() )
return; return;
if ( ACTION_LOG !in n$actions ) if ( ACTION_ALARM !in n$actions )
return; return;
if ( ! pp_alarms_open ) if ( ! pp_alarms_open )
pp_open(); pp_open();
pretty_print_alarm(pp_alarms, n); pretty_print_alarm(pp_alarms, n);
} }
@ -108,12 +126,12 @@ function do_msg(out: file, n: Info, line1: string, line2: string, line3: string,
@ifdef ( Notice::ACTION_ADD_GEODATA ) # Make tests happy, cyclic dependency. @ifdef ( Notice::ACTION_ADD_GEODATA ) # Make tests happy, cyclic dependency.
if ( n?$remote_location && n$remote_location?$country_code ) if ( n?$remote_location && n$remote_location?$country_code )
country = fmt(" (remote location %s)", n$remote_location$country_code); country = fmt(" (remote location %s)", n$remote_location$country_code);
@endif @endif
line1 = cat(line1, country); line1 = cat(line1, country);
local resolved = ""; local resolved = "";
if ( host1 != 0.0.0.0 ) if ( host1 != 0.0.0.0 )
resolved = fmt("%s # %s = %s", resolved, host1, name1); resolved = fmt("%s # %s = %s", resolved, host1, name1);
@ -133,64 +151,64 @@ function do_msg(out: file, n: Info, line1: string, line2: string, line3: string,
function pretty_print_alarm(out: file, n: Info) function pretty_print_alarm(out: file, n: Info)
{ {
local pdescr = ""; local pdescr = "";
@if ( Cluster::is_enabled() ) @if ( Cluster::is_enabled() )
pdescr = "local"; pdescr = "local";
if ( n?$src_peer ) if ( n?$src_peer )
pdescr = n$src_peer?$descr ? n$src_peer$descr : fmt("%s", n$src_peer$host); pdescr = n$src_peer?$descr ? n$src_peer$descr : fmt("%s", n$src_peer$host);
pdescr = fmt("<%s> ", pdescr); pdescr = fmt("<%s> ", pdescr);
@endif @endif
local msg = fmt( "%s%s", pdescr, n$msg); local msg = fmt( "%s%s", pdescr, n$msg);
local who = ""; local who = "";
local h1 = 0.0.0.0; local h1 = 0.0.0.0;
local h2 = 0.0.0.0; local h2 = 0.0.0.0;
local orig_p = ""; local orig_p = "";
local resp_p = ""; local resp_p = "";
if ( n?$id ) if ( n?$id )
{ {
orig_p = fmt(":%s", n$id$orig_p); h1 = n$id$orig_h;
resp_p = fmt(":%s", n$id$resp_p); h2 = n$id$resp_h;
who = fmt("%s:%s -> %s:%s", h1, n$id$orig_p, h2, n$id$resp_p);
} }
else if ( n?$src && n?$dst )
if ( n?$src && n?$dst )
{ {
h1 = n$src; h1 = n$src;
h2 = n$dst; h2 = n$dst;
who = fmt("%s%s -> %s%s", h1, orig_p, h2, resp_p); who = fmt("%s -> %s", h1, h2);
if ( n?$uid )
who = fmt("%s (uid %s)", who, n$uid );
} }
else if ( n?$src ) else if ( n?$src )
{ {
local p = "";
if ( n?$p )
p = fmt(":%s", n$p);
h1 = n$src; h1 = n$src;
who = fmt("%s%s", h1, p); who = fmt("%s%s", h1, (n?$p ? fmt(":%s", n$p) : ""));
} }
if ( n?$uid )
who = fmt("%s (uid %s)", who, n$uid );
local flag = (h1 in flag_nets || h2 in flag_nets); local flag = (h1 in flag_nets || h2 in flag_nets);
local line1 = fmt(">%s %D %s %s", (flag ? ">" : " "), network_time(), n$note, who); local line1 = fmt(">%s %D %s %s", (flag ? ">" : " "), network_time(), n$note, who);
local line2 = fmt(" %s", msg); local line2 = fmt(" %s", msg);
local line3 = n?$sub ? fmt(" %s", n$sub) : ""; local line3 = n?$sub ? fmt(" %s", n$sub) : "";
if ( h1 == 0.0.0.0 ) if ( h1 == 0.0.0.0 )
{ {
do_msg(out, n, line1, line2, line3, h1, "", h2, ""); do_msg(out, n, line1, line2, line3, h1, "", h2, "");
return; return;
} }
if ( reading_traces() )
{
do_msg(out, n, line1, line2, line3, h1, "<skipped>", h2, "<skipped>");
return;
}
when ( local h1name = lookup_addr(h1) ) when ( local h1name = lookup_addr(h1) )
{ {
if ( h2 == 0.0.0.0 ) if ( h2 == 0.0.0.0 )

View file

@ -2,31 +2,46 @@
module Notice; module Notice;
# This probably doesn't actually work due to the async lookup_addr. # We have to store references to the notices here because the when statement
# clones the frame which doesn't give us access to modify values outside
# of it's execution scope. (we get a clone of the notice instead of a
# reference to the original notice)
global tmp_notice_storage: table[string] of Notice::Info &create_expire=max_email_delay+10secs;
event Notice::notice(n: Notice::Info) &priority=10 event Notice::notice(n: Notice::Info) &priority=10
{ {
if ( ! n?$src && ! n?$dst ) if ( ! n?$src && ! n?$dst )
return; return;
# This should only be done for notices that are being sent to email. # This should only be done for notices that are being sent to email.
if ( ACTION_EMAIL !in n$actions ) if ( ACTION_EMAIL !in n$actions )
return; return;
# I'm not recovering gracefully from the when statements because I want
# the notice framework to detect that something has exceeded the maximum
# allowed email delay and tell the user.
local uid = unique_id("");
tmp_notice_storage[uid] = n;
local output = ""; local output = "";
if ( n?$src ) if ( n?$src )
{ {
add n$email_delay_tokens["hostnames-src"];
when ( local src_name = lookup_addr(n$src) ) when ( local src_name = lookup_addr(n$src) )
{ {
output = string_cat("orig_h/src hostname: ", src_name, "\n"); output = string_cat("orig/src hostname: ", src_name, "\n");
n$email_body_sections[|n$email_body_sections|] = output; tmp_notice_storage[uid]$email_body_sections[|tmp_notice_storage[uid]$email_body_sections|] = output;
delete tmp_notice_storage[uid]$email_delay_tokens["hostnames-src"];
} }
} }
if ( n?$dst ) if ( n?$dst )
{ {
add n$email_delay_tokens["hostnames-dst"];
when ( local dst_name = lookup_addr(n$dst) ) when ( local dst_name = lookup_addr(n$dst) )
{ {
output = string_cat("resp_h/dst hostname: ", dst_name, "\n"); output = string_cat("resp/dst hostname: ", dst_name, "\n");
n$email_body_sections[|n$email_body_sections|] = output; tmp_notice_storage[uid]$email_body_sections[|tmp_notice_storage[uid]$email_body_sections|] = output;
delete tmp_notice_storage[uid]$email_delay_tokens["hostnames-dst"];
} }
} }
} }

View file

@ -8,9 +8,9 @@
module Notice; module Notice;
export { export {
redef enum Log::ID += { redef enum Log::ID += {
## This is the primary logging stream for notices. ## This is the primary logging stream for notices.
LOG, LOG,
## This is the notice policy auditing log. It records what the current ## This is the notice policy auditing log. It records what the current
## notice policy is at Bro init time. ## notice policy is at Bro init time.
POLICY_LOG, POLICY_LOG,
@ -18,25 +18,25 @@ export {
ALARM_LOG, ALARM_LOG,
}; };
## Scripts creating new notices need to redef this enum to add their own ## Scripts creating new notices need to redef this enum to add their own
## specific notice types which would then get used when they call the ## specific notice types which would then get used when they call the
## :bro:id:`NOTICE` function. The convention is to give a general category ## :bro:id:`NOTICE` function. The convention is to give a general category
## along with the specific notice separating words with underscores and using ## along with the specific notice separating words with underscores and using
## leading capitals on each word except for abbreviations which are kept in ## leading capitals on each word except for abbreviations which are kept in
## all capitals. For example, SSH::Login is for heuristically guessed ## all capitals. For example, SSH::Login is for heuristically guessed
## successful SSH logins. ## successful SSH logins.
type Type: enum { type Type: enum {
## Notice reporting a count of how often a notice occurred. ## Notice reporting a count of how often a notice occurred.
Tally, Tally,
}; };
## These are values representing actions that can be taken with notices. ## These are values representing actions that can be taken with notices.
type Action: enum { type Action: enum {
## Indicates that there is no action to be taken. ## Indicates that there is no action to be taken.
ACTION_NONE, ACTION_NONE,
## Indicates that the notice should be sent to the notice logging stream. ## Indicates that the notice should be sent to the notice logging stream.
ACTION_LOG, ACTION_LOG,
## Indicates that the notice should be sent to the email address(es) ## Indicates that the notice should be sent to the email address(es)
## configured in the :bro:id:`Notice::mail_dest` variable. ## configured in the :bro:id:`Notice::mail_dest` variable.
ACTION_EMAIL, ACTION_EMAIL,
## Indicates that the notice should be alarmed. A readable ASCII ## Indicates that the notice should be alarmed. A readable ASCII
@ -47,30 +47,34 @@ export {
## duplicate notice suppression that the notice framework does. ## duplicate notice suppression that the notice framework does.
ACTION_NO_SUPPRESS, ACTION_NO_SUPPRESS,
}; };
## The notice framework is able to do automatic notice supression by ## The notice framework is able to do automatic notice supression by
## utilizing the $identifier field in :bro:type:`Info` records. ## utilizing the $identifier field in :bro:type:`Info` records.
## Set this to "0secs" to completely disable automated notice suppression. ## Set this to "0secs" to completely disable automated notice suppression.
const default_suppression_interval = 1hrs &redef; const default_suppression_interval = 1hrs &redef;
type Info: record { type Info: record {
ts: time &log &optional; ts: time &log &optional;
uid: string &log &optional; uid: string &log &optional;
id: conn_id &log &optional; id: conn_id &log &optional;
## These are shorthand ways of giving the uid and id to a notice. The ## These are shorthand ways of giving the uid and id to a notice. The
## reference to the actual connection will be deleted after applying ## reference to the actual connection will be deleted after applying
## the notice policy. ## the notice policy.
conn: connection &optional; conn: connection &optional;
iconn: icmp_conn &optional; iconn: icmp_conn &optional;
## The transport protocol. Filled automatically when either conn, iconn
## or p is specified.
proto: transport_proto &log &optional;
## The :bro:enum:`Notice::Type` of the notice. ## The :bro:enum:`Notice::Type` of the notice.
note: Type &log; note: Type &log;
## The human readable message for the notice. ## The human readable message for the notice.
msg: string &log &optional; msg: string &log &optional;
## The human readable sub-message. ## The human readable sub-message.
sub: string &log &optional; sub: string &log &optional;
## Source address, if we don't have a :bro:type:`conn_id`. ## Source address, if we don't have a :bro:type:`conn_id`.
src: addr &log &optional; src: addr &log &optional;
## Destination address. ## Destination address.
@ -79,33 +83,39 @@ export {
p: port &log &optional; p: port &log &optional;
## Associated count, or perhaps a status code. ## Associated count, or perhaps a status code.
n: count &log &optional; n: count &log &optional;
## Peer that raised this notice. ## Peer that raised this notice.
src_peer: event_peer &optional; src_peer: event_peer &optional;
## Textual description for the peer that raised this notice. ## Textual description for the peer that raised this notice.
peer_descr: string &log &optional; peer_descr: string &log &optional;
## The actions which have been applied to this notice. ## The actions which have been applied to this notice.
actions: set[Notice::Action] &log &optional; actions: set[Notice::Action] &log &optional;
## These are policy items that returned T and applied their action ## These are policy items that returned T and applied their action
## to the notice. ## to the notice.
policy_items: set[count] &log &optional; policy_items: set[count] &log &optional;
## By adding chunks of text into this element, other scripts can ## By adding chunks of text into this element, other scripts can
## expand on notices that are being emailed. The normal way to add text ## expand on notices that are being emailed. The normal way to add text
## is to extend the vector by handling the :bro:id:`Notice::notice` ## is to extend the vector by handling the :bro:id:`Notice::notice`
## event and modifying the notice in place. ## event and modifying the notice in place.
email_body_sections: vector of string &default=vector(); email_body_sections: vector of string &optional;
## Adding a string "token" to this set will cause the notice framework's
## built-in emailing functionality to delay sending the email until
## either the token has been removed or the email has been delayed
## for :bro:id:`max_email_delay`.
email_delay_tokens: set[string] &optional;
## This field is to be provided when a notice is generated for the ## This field is to be provided when a notice is generated for the
## purpose of deduplicating notices. The identifier string should ## purpose of deduplicating notices. The identifier string should
## be unique for a single instance of the notice. This field should be ## be unique for a single instance of the notice. This field should be
## filled out in almost all cases when generating notices to define ## filled out in almost all cases when generating notices to define
## when a notice is conceptually a duplicate of a previous notice. ## when a notice is conceptually a duplicate of a previous notice.
## ##
## For example, an SSL certificate that is going to expire soon should ## For example, an SSL certificate that is going to expire soon should
## always have the same identifier no matter the client IP address ## always have the same identifier no matter the client IP address
## that connected and resulted in the certificate being exposed. In ## that connected and resulted in the certificate being exposed. In
## this case, the resp_h, resp_p, and hash of the certificate would be ## this case, the resp_h, resp_p, and hash of the certificate would be
## used to create this value. The hash of the cert is included ## used to create this value. The hash of the cert is included
@ -114,19 +124,19 @@ export {
## Another example might be a host downloading a file which triggered ## Another example might be a host downloading a file which triggered
## a notice because the MD5 sum of the file it downloaded was known ## a notice because the MD5 sum of the file it downloaded was known
## by some set of intelligence. In that case, the orig_h (client) ## by some set of intelligence. In that case, the orig_h (client)
## and MD5 sum would be used in this field to dedup because if the ## and MD5 sum would be used in this field to dedup because if the
## same file is downloaded over and over again you really only want to ## same file is downloaded over and over again you really only want to
## know about it a single time. This makes it possible to send those ## know about it a single time. This makes it possible to send those
## notices to email without worrying so much about sending thousands ## notices to email without worrying so much about sending thousands
## of emails. ## of emails.
identifier: string &optional; identifier: string &optional;
## This field indicates the length of time that this ## This field indicates the length of time that this
## unique notice should be suppressed. This field is automatically ## unique notice should be suppressed. This field is automatically
## filled out and should not be written to by any other script. ## filled out and should not be written to by any other script.
suppress_for: interval &log &optional; suppress_for: interval &log &optional;
}; };
## Ignored notice types. ## Ignored notice types.
const ignored_types: set[Notice::Type] = {} &redef; const ignored_types: set[Notice::Type] = {} &redef;
## Emailed notice types. ## Emailed notice types.
@ -135,10 +145,10 @@ export {
const alarmed_types: set[Notice::Type] = {} &redef; const alarmed_types: set[Notice::Type] = {} &redef;
## Types that should be suppressed for the default suppression interval. ## Types that should be suppressed for the default suppression interval.
const not_suppressed_types: set[Notice::Type] = {} &redef; const not_suppressed_types: set[Notice::Type] = {} &redef;
## This table can be used as a shorthand way to modify suppression ## This table can be used as a shorthand way to modify suppression
## intervals for entire notice types. ## intervals for entire notice types.
const type_suppression_intervals: table[Notice::Type] of interval = {} &redef; const type_suppression_intervals: table[Notice::Type] of interval = {} &redef;
## This is the record that defines the items that make up the notice policy. ## This is the record that defines the items that make up the notice policy.
type PolicyItem: record { type PolicyItem: record {
## This is the exact positional order in which the :bro:type:`PolicyItem` ## This is the exact positional order in which the :bro:type:`PolicyItem`
@ -149,20 +159,20 @@ export {
priority: count &log &default=5; priority: count &log &default=5;
## An action given to the notice if the predicate return true. ## An action given to the notice if the predicate return true.
action: Notice::Action &log &default=ACTION_NONE; action: Notice::Action &log &default=ACTION_NONE;
## The pred (predicate) field is a function that returns a boolean T ## The pred (predicate) field is a function that returns a boolean T
## or F value. If the predicate function return true, the action in ## or F value. If the predicate function return true, the action in
## this record is applied to the notice that is given as an argument ## this record is applied to the notice that is given as an argument
## to the predicate function. If no predicate is supplied, it's ## to the predicate function. If no predicate is supplied, it's
## assumed that the PolicyItem always applies. ## assumed that the PolicyItem always applies.
pred: function(n: Notice::Info): bool &log &optional; pred: function(n: Notice::Info): bool &log &optional;
## Indicates this item should terminate policy processing if the ## Indicates this item should terminate policy processing if the
## predicate returns T. ## predicate returns T.
halt: bool &log &default=F; halt: bool &log &default=F;
## This defines the length of time that this particular notice should ## This defines the length of time that this particular notice should
## be supressed. ## be supressed.
suppress_for: interval &log &optional; suppress_for: interval &log &optional;
}; };
## This is the where the :bro:id:`Notice::policy` is defined. All notice ## This is the where the :bro:id:`Notice::policy` is defined. All notice
## processing is done through this variable. ## processing is done through this variable.
const policy: set[PolicyItem] = { const policy: set[PolicyItem] = {
@ -177,66 +187,68 @@ export {
[$pred(n: Notice::Info) = { return (n$note in Notice::emailed_types); }, [$pred(n: Notice::Info) = { return (n$note in Notice::emailed_types); },
$action = ACTION_EMAIL, $action = ACTION_EMAIL,
$priority = 8], $priority = 8],
[$pred(n: Notice::Info) = { [$pred(n: Notice::Info) = {
if (n$note in Notice::type_suppression_intervals) if (n$note in Notice::type_suppression_intervals)
{ {
n$suppress_for=Notice::type_suppression_intervals[n$note]; n$suppress_for=Notice::type_suppression_intervals[n$note];
return T; return T;
} }
return F; return F;
}, },
$action = ACTION_NONE, $action = ACTION_NONE,
$priority = 8], $priority = 8],
[$action = ACTION_LOG, [$action = ACTION_LOG,
$priority = 0], $priority = 0],
} &redef; } &redef;
## Local system sendmail program. ## Local system sendmail program.
const sendmail = "/usr/sbin/sendmail" &redef; const sendmail = "/usr/sbin/sendmail" &redef;
## Email address to send notices with the :bro:enum:`ACTION_EMAIL` action ## Email address to send notices with the :bro:enum:`ACTION_EMAIL` action
## or to send bulk alarm logs on rotation with :bro:enum:`ACTION_ALARM`. ## or to send bulk alarm logs on rotation with :bro:enum:`ACTION_ALARM`.
const mail_dest = "" &redef; const mail_dest = "" &redef;
## Address that emails will be from. ## Address that emails will be from.
const mail_from = "Big Brother <bro@localhost>" &redef; const mail_from = "Big Brother <bro@localhost>" &redef;
## Reply-to address used in outbound email. ## Reply-to address used in outbound email.
const reply_to = "" &redef; const reply_to = "" &redef;
## Text string prefixed to the subject of all emails sent out. ## Text string prefixed to the subject of all emails sent out.
const mail_subject_prefix = "[Bro]" &redef; const mail_subject_prefix = "[Bro]" &redef;
## The maximum amount of time a plugin can delay email from being sent.
const max_email_delay = 15secs &redef;
## A log postprocessing function that implements emailing the contents ## A log postprocessing function that implements emailing the contents
## of a log upon rotation to any configured :bro:id:`Notice::mail_dest`. ## of a log upon rotation to any configured :bro:id:`Notice::mail_dest`.
## The rotated log is removed upon being sent. ## The rotated log is removed upon being sent.
global log_mailing_postprocessor: function(info: Log::RotationInfo): bool; global log_mailing_postprocessor: function(info: Log::RotationInfo): bool;
## This is the event that is called as the entry point to the ## This is the event that is called as the entry point to the
## notice framework by the global :bro:id:`NOTICE` function. By the time ## notice framework by the global :bro:id:`NOTICE` function. By the time
## this event is generated, default values have already been filled out in ## this event is generated, default values have already been filled out in
## the :bro:type:`Notice::Info` record and synchronous functions in the ## the :bro:type:`Notice::Info` record and synchronous functions in the
## :bro:id:`Notice:sync_functions` have already been called. The notice ## :bro:id:`Notice:sync_functions` have already been called. The notice
## policy has also been applied. ## policy has also been applied.
global notice: event(n: Info); global notice: event(n: Info);
## This is a set of functions that provide a synchronous way for scripts ## This is a set of functions that provide a synchronous way for scripts
## extending the notice framework to run before the normal event based ## extending the notice framework to run before the normal event based
## notice pathway that most of the notice framework takes. This is helpful ## notice pathway that most of the notice framework takes. This is helpful
## in cases where an action against a notice needs to happen immediately ## in cases where an action against a notice needs to happen immediately
## and can't wait the short time for the event to bubble up to the top of ## and can't wait the short time for the event to bubble up to the top of
## the event queue. An example is the IP address dropping script that ## the event queue. An example is the IP address dropping script that
## can block IP addresses that have notices generated because it ## can block IP addresses that have notices generated because it
## needs to operate closer to real time than the event queue allows it to. ## needs to operate closer to real time than the event queue allows it to.
## Normally the event based extension model using the ## Normally the event based extension model using the
## :bro:id:`Notice::notice` event will work fine if there aren't harder ## :bro:id:`Notice::notice` event will work fine if there aren't harder
## real time constraints. ## real time constraints.
const sync_functions: set[function(n: Notice::Info)] = set() &redef; const sync_functions: set[function(n: Notice::Info)] = set() &redef;
## This event is generated when a notice begins to be suppressed. ## This event is generated when a notice begins to be suppressed.
global begin_suppression: event(n: Notice::Info); global begin_suppression: event(n: Notice::Info);
## This event is generated on each occurence of an event being suppressed. ## This event is generated on each occurence of an event being suppressed.
global suppressed: event(n: Notice::Info); global suppressed: event(n: Notice::Info);
## This event is generated when a notice stops being suppressed. ## This event is generated when a notice stops being suppressed.
global end_suppression: event(n: Notice::Info); global end_suppression: event(n: Notice::Info);
## Call this function to send a notice in an email. It is already used ## Call this function to send a notice in an email. It is already used
## by default with the built in :bro:enum:`ACTION_EMAIL` and ## by default with the built in :bro:enum:`ACTION_EMAIL` and
## :bro:enum:`ACTION_PAGE` actions. ## :bro:enum:`ACTION_PAGE` actions.
@ -248,12 +260,12 @@ export {
## dest: recipient string to use for the mail ## dest: recipient string to use for the mail
## Returns: a string of mail headers to which an email body can be appended ## Returns: a string of mail headers to which an email body can be appended
global email_headers: function(subject_desc: string, dest: string): string; global email_headers: function(subject_desc: string, dest: string): string;
## This event can be handled to access the :bro:type:`Info` ## This event can be handled to access the :bro:type:`Info`
## record as it is sent on to the logging framework. ## record as it is sent on to the logging framework.
global log_notice: event(rec: Info); global log_notice: event(rec: Info);
## This is an internal wrapper for the global NOTICE function. Please ## This is an internal wrapper for the global NOTICE function. Please
## disregard. ## disregard.
global internal_NOTICE: function(n: Notice::Info); global internal_NOTICE: function(n: Notice::Info);
} }
@ -264,22 +276,22 @@ function per_notice_suppression_interval(t: table[Notice::Type, string] of Notic
local n: Notice::Type; local n: Notice::Type;
local s: string; local s: string;
[n,s] = idx; [n,s] = idx;
local suppress_time = t[n,s]$suppress_for - (network_time() - t[n,s]$ts); local suppress_time = t[n,s]$suppress_for - (network_time() - t[n,s]$ts);
if ( suppress_time < 0secs ) if ( suppress_time < 0secs )
suppress_time = 0secs; suppress_time = 0secs;
# If there is no more suppression time left, the notice needs to be sent # If there is no more suppression time left, the notice needs to be sent
# to the end_suppression event. # to the end_suppression event.
if ( suppress_time == 0secs ) if ( suppress_time == 0secs )
event Notice::end_suppression(t[n,s]); event Notice::end_suppression(t[n,s]);
return suppress_time; return suppress_time;
} }
# This is the internally maintained notice suppression table. It's # This is the internally maintained notice suppression table. It's
# indexed on the Notice::Type and the $identifier field from the notice. # indexed on the Notice::Type and the $identifier field from the notice.
global suppressing: table[Type, string] of Notice::Info = {} global suppressing: table[Type, string] of Notice::Info = {}
&create_expire=0secs &create_expire=0secs
&expire_func=per_notice_suppression_interval; &expire_func=per_notice_suppression_interval;
@ -306,7 +318,7 @@ function log_mailing_postprocessor(info: Log::RotationInfo): bool
event bro_init() &priority=5 event bro_init() &priority=5
{ {
Log::create_stream(Notice::LOG, [$columns=Info, $ev=log_notice]); Log::create_stream(Notice::LOG, [$columns=Info, $ev=log_notice]);
Log::create_stream(Notice::ALARM_LOG, [$columns=Notice::Info]); Log::create_stream(Notice::ALARM_LOG, [$columns=Notice::Info]);
# If Bro is configured for mailing notices, set up mailing for alarms. # If Bro is configured for mailing notices, set up mailing for alarms.
# Make sure that this alarm log is also output as text so that it can # Make sure that this alarm log is also output as text so that it can
@ -347,25 +359,49 @@ function email_headers(subject_desc: string, dest: string): string
return header_text; return header_text;
} }
event delay_sending_email(n: Notice::Info, dest: string, extend: bool)
{
email_notice_to(n, dest, extend);
}
function email_notice_to(n: Notice::Info, dest: string, extend: bool) function email_notice_to(n: Notice::Info, dest: string, extend: bool)
{ {
if ( reading_traces() || dest == "" ) if ( reading_traces() || dest == "" )
return; return;
if ( extend )
{
if ( |n$email_delay_tokens| > 0 )
{
# If we still are within the max_email_delay, keep delaying.
if ( n$ts + max_email_delay > network_time() )
{
schedule 1sec { delay_sending_email(n, dest, extend) };
return;
}
else
{
event reporter_info(network_time(),
fmt("Notice email delay tokens weren't released in time (%s).", n$email_delay_tokens),
"");
}
}
}
local email_text = email_headers(fmt("%s", n$note), dest); local email_text = email_headers(fmt("%s", n$note), dest);
# First off, finish the headers and include the human readable messages # First off, finish the headers and include the human readable messages
# then leave a blank line after the message. # then leave a blank line after the message.
email_text = string_cat(email_text, "\nMessage: ", n$msg); email_text = string_cat(email_text, "\nMessage: ", n$msg);
if ( n?$sub ) if ( n?$sub )
email_text = string_cat(email_text, "\nSub-message: ", n$sub); email_text = string_cat(email_text, "\nSub-message: ", n$sub);
email_text = string_cat(email_text, "\n\n"); email_text = string_cat(email_text, "\n\n");
# Next, add information about the connection if it exists. # Next, add information about the connection if it exists.
if ( n?$id ) if ( n?$id )
{ {
email_text = string_cat(email_text, "Connection: ", email_text = string_cat(email_text, "Connection: ",
fmt("%s", n$id$orig_h), ":", fmt("%d", n$id$orig_p), " -> ", fmt("%s", n$id$orig_h), ":", fmt("%d", n$id$orig_p), " -> ",
fmt("%s", n$id$resp_h), ":", fmt("%d", n$id$resp_p), "\n"); fmt("%s", n$id$resp_h), ":", fmt("%d", n$id$resp_p), "\n");
if ( n?$uid ) if ( n?$uid )
@ -373,17 +409,18 @@ function email_notice_to(n: Notice::Info, dest: string, extend: bool)
} }
else if ( n?$src ) else if ( n?$src )
email_text = string_cat(email_text, "Address: ", fmt("%s", n$src), "\n"); email_text = string_cat(email_text, "Address: ", fmt("%s", n$src), "\n");
# Add the extended information if it's requested. # Add the extended information if it's requested.
if ( extend ) if ( extend )
{ {
email_text = string_cat(email_text, "\nEmail Extensions\n");
email_text = string_cat(email_text, "----------------\n");
for ( i in n$email_body_sections ) for ( i in n$email_body_sections )
{ {
email_text = string_cat(email_text, "******************\n");
email_text = string_cat(email_text, n$email_body_sections[i], "\n"); email_text = string_cat(email_text, n$email_body_sections[i], "\n");
} }
} }
email_text = string_cat(email_text, "\n\n--\n[Automatically generated]\n\n"); email_text = string_cat(email_text, "\n\n--\n[Automatically generated]\n\n");
piped_exec(fmt("%s -t -oi", sendmail), email_text); piped_exec(fmt("%s -t -oi", sendmail), email_text);
} }
@ -396,10 +433,10 @@ event notice(n: Notice::Info) &priority=-5
Log::write(Notice::LOG, n); Log::write(Notice::LOG, n);
if ( ACTION_ALARM in n$actions ) if ( ACTION_ALARM in n$actions )
Log::write(Notice::ALARM_LOG, n); Log::write(Notice::ALARM_LOG, n);
# Normally suppress further notices like this one unless directed not to. # Normally suppress further notices like this one unless directed not to.
# n$identifier *must* be specified for suppression to function at all. # n$identifier *must* be specified for suppression to function at all.
if ( n?$identifier && if ( n?$identifier &&
ACTION_NO_SUPPRESS !in n$actions && ACTION_NO_SUPPRESS !in n$actions &&
[n$note, n$identifier] !in suppressing && [n$note, n$identifier] !in suppressing &&
n$suppress_for != 0secs ) n$suppress_for != 0secs )
@ -408,8 +445,8 @@ event notice(n: Notice::Info) &priority=-5
event Notice::begin_suppression(n); event Notice::begin_suppression(n);
} }
} }
## This determines if a notice is being suppressed. It is only used ## This determines if a notice is being suppressed. It is only used
## internally as part of the mechanics for the global NOTICE function. ## internally as part of the mechanics for the global NOTICE function.
function is_being_suppressed(n: Notice::Info): bool function is_being_suppressed(n: Notice::Info): bool
{ {
@ -421,7 +458,7 @@ function is_being_suppressed(n: Notice::Info): bool
else else
return F; return F;
} }
# Executes a script with all of the notice fields put into the # Executes a script with all of the notice fields put into the
# new process' environment as "BRO_ARG_<field>" variables. # new process' environment as "BRO_ARG_<field>" variables.
function execute_with_notice(cmd: string, n: Notice::Info) function execute_with_notice(cmd: string, n: Notice::Info)
@ -430,9 +467,9 @@ function execute_with_notice(cmd: string, n: Notice::Info)
#local tgs = tags(n); #local tgs = tags(n);
#system_env(cmd, tags); #system_env(cmd, tags);
} }
# This is run synchronously as a function before all of the other # This is run synchronously as a function before all of the other
# notice related functions and events. It also modifies the # notice related functions and events. It also modifies the
# :bro:type:`Notice::Info` record in place. # :bro:type:`Notice::Info` record in place.
function apply_policy(n: Notice::Info) function apply_policy(n: Notice::Info)
{ {
@ -447,7 +484,7 @@ function apply_policy(n: Notice::Info)
if ( ! n?$uid ) if ( ! n?$uid )
n$uid = n$conn$uid; n$uid = n$conn$uid;
} }
if ( n?$id ) if ( n?$id )
{ {
if ( ! n?$src ) if ( ! n?$src )
@ -458,8 +495,12 @@ function apply_policy(n: Notice::Info)
n$p = n$id$resp_p; n$p = n$id$resp_p;
} }
if ( n?$p )
n$proto = get_port_transport_proto(n$p);
if ( n?$iconn ) if ( n?$iconn )
{ {
n$proto = icmp;
if ( ! n?$src ) if ( ! n?$src )
n$src = n$iconn$orig_h; n$src = n$iconn$orig_h;
if ( ! n?$dst ) if ( ! n?$dst )
@ -469,15 +510,20 @@ function apply_policy(n: Notice::Info)
if ( ! n?$src_peer ) if ( ! n?$src_peer )
n$src_peer = get_event_peer(); n$src_peer = get_event_peer();
if ( ! n?$peer_descr ) if ( ! n?$peer_descr )
n$peer_descr = n$src_peer?$descr ? n$peer_descr = n$src_peer?$descr ?
n$src_peer$descr : fmt("%s", n$src_peer$host); n$src_peer$descr : fmt("%s", n$src_peer$host);
if ( ! n?$actions ) if ( ! n?$actions )
n$actions = set(); n$actions = set();
if ( ! n?$email_body_sections )
n$email_body_sections = vector();
if ( ! n?$email_delay_tokens )
n$email_delay_tokens = set();
if ( ! n?$policy_items ) if ( ! n?$policy_items )
n$policy_items = set(); n$policy_items = set();
for ( i in ordered_policy ) for ( i in ordered_policy )
{ {
# If there's no predicate or the predicate returns F. # If there's no predicate or the predicate returns F.
@ -485,51 +531,51 @@ function apply_policy(n: Notice::Info)
{ {
add n$actions[ordered_policy[i]$action]; add n$actions[ordered_policy[i]$action];
add n$policy_items[int_to_count(i)]; add n$policy_items[int_to_count(i)];
# If the predicate matched and there was a suppression interval, # If the predicate matched and there was a suppression interval,
# apply it to the notice now. # apply it to the notice now.
if ( ordered_policy[i]?$suppress_for ) if ( ordered_policy[i]?$suppress_for )
n$suppress_for = ordered_policy[i]$suppress_for; n$suppress_for = ordered_policy[i]$suppress_for;
# If the policy item wants to halt policy processing, do it now! # If the policy item wants to halt policy processing, do it now!
if ( ordered_policy[i]$halt ) if ( ordered_policy[i]$halt )
break; break;
} }
} }
# Apply the suppression time after applying the policy so that policy # Apply the suppression time after applying the policy so that policy
# items can give custom suppression intervals. If there is no # items can give custom suppression intervals. If there is no
# suppression interval given yet, the default is applied. # suppression interval given yet, the default is applied.
if ( ! n?$suppress_for ) if ( ! n?$suppress_for )
n$suppress_for = default_suppression_interval; n$suppress_for = default_suppression_interval;
# Delete the connection record if it's there so we aren't sending that # Delete the connection record if it's there so we aren't sending that
# to remote machines. It can cause problems due to the size of the # to remote machines. It can cause problems due to the size of the
# connection record. # connection record.
if ( n?$conn ) if ( n?$conn )
delete n$conn; delete n$conn;
if ( n?$iconn ) if ( n?$iconn )
delete n$iconn; delete n$iconn;
} }
# Create the ordered notice policy automatically which will be used at runtime # Create the ordered notice policy automatically which will be used at runtime
# for prioritized matching of the notice policy. # for prioritized matching of the notice policy.
event bro_init() &priority=10 event bro_init() &priority=10
{ {
# Create the policy log here because it's only written to in this handler. # Create the policy log here because it's only written to in this handler.
Log::create_stream(Notice::POLICY_LOG, [$columns=PolicyItem]); Log::create_stream(Notice::POLICY_LOG, [$columns=PolicyItem]);
local tmp: table[count] of set[PolicyItem] = table(); local tmp: table[count] of set[PolicyItem] = table();
for ( pi in policy ) for ( pi in policy )
{ {
if ( pi$priority < 0 || pi$priority > 10 ) if ( pi$priority < 0 || pi$priority > 10 )
Reporter::fatal("All Notice::PolicyItem priorities must be within 0 and 10"); Reporter::fatal("All Notice::PolicyItem priorities must be within 0 and 10");
if ( pi$priority !in tmp ) if ( pi$priority !in tmp )
tmp[pi$priority] = set(); tmp[pi$priority] = set();
add tmp[pi$priority][pi]; add tmp[pi$priority][pi];
} }
local rev_count = vector(10,9,8,7,6,5,4,3,2,1,0); local rev_count = vector(10,9,8,7,6,5,4,3,2,1,0);
for ( i in rev_count ) for ( i in rev_count )
{ {
@ -545,7 +591,7 @@ event bro_init() &priority=10
} }
} }
} }
function internal_NOTICE(n: Notice::Info) function internal_NOTICE(n: Notice::Info)
{ {
# Suppress this notice if necessary. # Suppress this notice if necessary.

View file

@ -4,50 +4,50 @@ module DNS;
export { export {
redef enum Log::ID += { LOG }; redef enum Log::ID += { LOG };
type Info: record { type Info: record {
ts: time &log; ts: time &log;
uid: string &log; uid: string &log;
id: conn_id &log; id: conn_id &log;
proto: transport_proto &log; proto: transport_proto &log;
trans_id: count &log &optional; trans_id: count &log &optional;
query: string &log &optional; query: string &log &optional;
qclass: count &log &optional; qclass: count &log &optional;
qclass_name: string &log &optional; qclass_name: string &log &optional;
qtype: count &log &optional; qtype: count &log &optional;
qtype_name: string &log &optional; qtype_name: string &log &optional;
rcode: count &log &optional; rcode: count &log &optional;
rcode_name: string &log &optional; rcode_name: string &log &optional;
QR: bool &log &default=F; QR: bool &log &default=F;
AA: bool &log &default=F; AA: bool &log &default=F;
TC: bool &log &default=F; TC: bool &log &default=F;
RD: bool &log &default=F; RD: bool &log &default=F;
RA: bool &log &default=F; RA: bool &log &default=F;
Z: count &log &default=0; Z: count &log &default=0;
TTL: interval &log &optional; answers: vector of string &log &optional;
answers: set[string] &log &optional; TTLs: vector of interval &log &optional;
## This value indicates if this request/response pair is ready to be logged. ## This value indicates if this request/response pair is ready to be logged.
ready: bool &default=F; ready: bool &default=F;
total_answers: count &optional; total_answers: count &optional;
total_replies: count &optional; total_replies: count &optional;
}; };
type State: record { type State: record {
## Indexed by query id, returns Info record corresponding to ## Indexed by query id, returns Info record corresponding to
## query/response which haven't completed yet. ## query/response which haven't completed yet.
pending: table[count] of Info &optional; pending: table[count] of Info &optional;
## This is the list of DNS responses that have completed based on the ## This is the list of DNS responses that have completed based on the
## number of responses declared and the number received. The contents ## number of responses declared and the number received. The contents
## of the set are transaction IDs. ## of the set are transaction IDs.
finished_answers: set[count] &optional; finished_answers: set[count] &optional;
}; };
global log_dns: event(rec: Info); global log_dns: event(rec: Info);
## This is called by the specific dns_*_reply events with a "reply" which ## This is called by the specific dns_*_reply events with a "reply" which
## may not represent the full data available from the resource record, but ## may not represent the full data available from the resource record, but
## it's generally considered a summarization of the response(s). ## it's generally considered a summarization of the response(s).
global do_reply: event(c: connection, msg: dns_msg, ans: dns_answer, reply: string); global do_reply: event(c: connection, msg: dns_msg, ans: dns_answer, reply: string);
} }
@ -58,18 +58,18 @@ redef record connection += {
}; };
# DPD configuration. # DPD configuration.
redef capture_filters += { redef capture_filters += {
["dns"] = "port 53", ["dns"] = "port 53",
["mdns"] = "udp and port 5353", ["mdns"] = "udp and port 5353",
["llmns"] = "udp and port 5355", ["llmns"] = "udp and port 5355",
["netbios-ns"] = "udp port 137", ["netbios-ns"] = "udp port 137",
}; };
global dns_ports = { 53/udp, 53/tcp, 137/udp, 5353/udp, 5355/udp } &redef; const dns_ports = { 53/udp, 53/tcp, 137/udp, 5353/udp, 5355/udp };
redef dpd_config += { [ANALYZER_DNS] = [$ports = dns_ports] }; redef dpd_config += { [ANALYZER_DNS] = [$ports = dns_ports] };
global dns_udp_ports = { 53/udp, 137/udp, 5353/udp, 5355/udp } &redef; const dns_udp_ports = { 53/udp, 137/udp, 5353/udp, 5355/udp };
global dns_tcp_ports = { 53/tcp } &redef; const dns_tcp_ports = { 53/tcp };
redef dpd_config += { [ANALYZER_DNS_UDP_BINPAC] = [$ports = dns_udp_ports] }; redef dpd_config += { [ANALYZER_DNS_UDP_BINPAC] = [$ports = dns_udp_ports] };
redef dpd_config += { [ANALYZER_DNS_TCP_BINPAC] = [$ports = dns_tcp_ports] }; redef dpd_config += { [ANALYZER_DNS_TCP_BINPAC] = [$ports = dns_tcp_ports] };
@ -89,7 +89,7 @@ function new_session(c: connection, trans_id: count): Info
state$finished_answers=set(); state$finished_answers=set();
c$dns_state = state; c$dns_state = state;
} }
local info: Info; local info: Info;
info$ts = network_time(); info$ts = network_time();
info$id = c$id; info$id = c$id;
@ -102,23 +102,29 @@ function new_session(c: connection, trans_id: count): Info
function set_session(c: connection, msg: dns_msg, is_query: bool) function set_session(c: connection, msg: dns_msg, is_query: bool)
{ {
if ( ! c?$dns_state || msg$id !in c$dns_state$pending ) if ( ! c?$dns_state || msg$id !in c$dns_state$pending )
{
c$dns_state$pending[msg$id] = new_session(c, msg$id); c$dns_state$pending[msg$id] = new_session(c, msg$id);
# Try deleting this transaction id from the set of finished answers.
# Sometimes hosts will reuse ports and transaction ids and this should
# be considered to be a legit scenario (although bad practice).
delete c$dns_state$finished_answers[msg$id];
}
c$dns = c$dns_state$pending[msg$id]; c$dns = c$dns_state$pending[msg$id];
c$dns$rcode = msg$rcode; c$dns$rcode = msg$rcode;
c$dns$rcode_name = base_errors[msg$rcode]; c$dns$rcode_name = base_errors[msg$rcode];
if ( ! is_query ) if ( ! is_query )
{ {
if ( ! c$dns?$total_answers ) if ( ! c$dns?$total_answers )
c$dns$total_answers = msg$num_answers; c$dns$total_answers = msg$num_answers;
if ( c$dns?$total_replies && if ( c$dns?$total_replies &&
c$dns$total_replies != msg$num_answers + msg$num_addl + msg$num_auth ) c$dns$total_replies != msg$num_answers + msg$num_addl + msg$num_auth )
{ {
event conn_weird("dns_changed_number_of_responses", c, event conn_weird("dns_changed_number_of_responses", c,
fmt("The declared number of responses changed from %d to %d", fmt("The declared number of responses changed from %d to %d",
c$dns$total_replies, c$dns$total_replies,
msg$num_answers + msg$num_addl + msg$num_auth)); msg$num_answers + msg$num_addl + msg$num_auth));
} }
@ -129,27 +135,30 @@ function set_session(c: connection, msg: dns_msg, is_query: bool)
} }
} }
} }
event DNS::do_reply(c: connection, msg: dns_msg, ans: dns_answer, reply: string) &priority=5 event DNS::do_reply(c: connection, msg: dns_msg, ans: dns_answer, reply: string) &priority=5
{ {
set_session(c, msg, F); set_session(c, msg, F);
c$dns$AA = msg$AA;
c$dns$RA = msg$RA;
c$dns$TTL = ans$TTL;
if ( ans$answer_type == DNS_ANS ) if ( ans$answer_type == DNS_ANS )
{ {
c$dns$AA = msg$AA;
c$dns$RA = msg$RA;
if ( msg$id in c$dns_state$finished_answers ) if ( msg$id in c$dns_state$finished_answers )
event conn_weird("dns_reply_seen_after_done", c, ""); event conn_weird("dns_reply_seen_after_done", c, "");
if ( reply != "" ) if ( reply != "" )
{ {
if ( ! c$dns?$answers ) if ( ! c$dns?$answers )
c$dns$answers = set(); c$dns$answers = vector();
add c$dns$answers[reply]; c$dns$answers[|c$dns$answers|] = reply;
if ( ! c$dns?$TTLs )
c$dns$TTLs = vector();
c$dns$TTLs[|c$dns$TTLs|] = ans$TTL;
} }
if ( c$dns?$answers && |c$dns$answers| == c$dns$total_answers ) if ( c$dns?$answers && |c$dns$answers| == c$dns$total_answers )
{ {
add c$dns_state$finished_answers[c$dns$trans_id]; add c$dns_state$finished_answers[c$dns$trans_id];
@ -158,13 +167,12 @@ event DNS::do_reply(c: connection, msg: dns_msg, ans: dns_answer, reply: string)
} }
} }
} }
event DNS::do_reply(c: connection, msg: dns_msg, ans: dns_answer, reply: string) &priority=-5 event DNS::do_reply(c: connection, msg: dns_msg, ans: dns_answer, reply: string) &priority=-5
{ {
if ( c$dns$ready ) if ( c$dns$ready )
{ {
Log::write(DNS::LOG, c$dns); Log::write(DNS::LOG, c$dns);
add c$dns_state$finished_answers[c$dns$trans_id];
# This record is logged and no longer pending. # This record is logged and no longer pending.
delete c$dns_state$pending[c$dns$trans_id]; delete c$dns_state$pending[c$dns$trans_id];
} }
@ -173,41 +181,41 @@ event DNS::do_reply(c: connection, msg: dns_msg, ans: dns_answer, reply: string)
event dns_request(c: connection, msg: dns_msg, query: string, qtype: count, qclass: count) &priority=5 event dns_request(c: connection, msg: dns_msg, query: string, qtype: count, qclass: count) &priority=5
{ {
set_session(c, msg, T); set_session(c, msg, T);
c$dns$RD = msg$RD; c$dns$RD = msg$RD;
c$dns$TC = msg$TC; c$dns$TC = msg$TC;
c$dns$qclass = qclass; c$dns$qclass = qclass;
c$dns$qclass_name = classes[qclass]; c$dns$qclass_name = classes[qclass];
c$dns$qtype = qtype; c$dns$qtype = qtype;
c$dns$qtype_name = query_types[qtype]; c$dns$qtype_name = query_types[qtype];
# Decode netbios name queries # Decode netbios name queries
# Note: I'm ignoring the name type for now. Not sure if this should be # Note: I'm ignoring the name type for now. Not sure if this should be
# worked into the query/response in some fashion. # worked into the query/response in some fashion.
if ( c$id$resp_p == 137/udp ) if ( c$id$resp_p == 137/udp )
query = decode_netbios_name(query); query = decode_netbios_name(query);
c$dns$query = query; c$dns$query = query;
c$dns$Z = msg$Z; c$dns$Z = msg$Z;
} }
event dns_A_reply(c: connection, msg: dns_msg, ans: dns_answer, a: addr) &priority=5 event dns_A_reply(c: connection, msg: dns_msg, ans: dns_answer, a: addr) &priority=5
{ {
event DNS::do_reply(c, msg, ans, fmt("%s", a)); event DNS::do_reply(c, msg, ans, fmt("%s", a));
} }
event dns_TXT_reply(c: connection, msg: dns_msg, ans: dns_answer, str: string) &priority=5 event dns_TXT_reply(c: connection, msg: dns_msg, ans: dns_answer, str: string) &priority=5
{ {
event DNS::do_reply(c, msg, ans, str); event DNS::do_reply(c, msg, ans, str);
} }
event dns_AAAA_reply(c: connection, msg: dns_msg, ans: dns_answer, a: addr, event dns_AAAA_reply(c: connection, msg: dns_msg, ans: dns_answer, a: addr,
astr: string) &priority=5 astr: string) &priority=5
{ {
# TODO: What should we do with astr? # TODO: What should we do with astr?
event DNS::do_reply(c, msg, ans, fmt("%s", a)); event DNS::do_reply(c, msg, ans, fmt("%s", a));
} }
event dns_NS_reply(c: connection, msg: dns_msg, ans: dns_answer, name: string) &priority=5 event dns_NS_reply(c: connection, msg: dns_msg, ans: dns_answer, name: string) &priority=5
{ {
event DNS::do_reply(c, msg, ans, name); event DNS::do_reply(c, msg, ans, name);
@ -223,12 +231,12 @@ event dns_MX_reply(c: connection, msg: dns_msg, ans: dns_answer, name: string,
{ {
event DNS::do_reply(c, msg, ans, name); event DNS::do_reply(c, msg, ans, name);
} }
event dns_PTR_reply(c: connection, msg: dns_msg, ans: dns_answer, name: string) &priority=5 event dns_PTR_reply(c: connection, msg: dns_msg, ans: dns_answer, name: string) &priority=5
{ {
event DNS::do_reply(c, msg, ans, name); event DNS::do_reply(c, msg, ans, name);
} }
event dns_SOA_reply(c: connection, msg: dns_msg, ans: dns_answer, soa: dns_soa) &priority=5 event dns_SOA_reply(c: connection, msg: dns_msg, ans: dns_answer, soa: dns_soa) &priority=5
{ {
event DNS::do_reply(c, msg, ans, soa$mname); event DNS::do_reply(c, msg, ans, soa$mname);
@ -238,7 +246,7 @@ event dns_WKS_reply(c: connection, msg: dns_msg, ans: dns_answer) &priority=5
{ {
event DNS::do_reply(c, msg, ans, ""); event DNS::do_reply(c, msg, ans, "");
} }
event dns_SRV_reply(c: connection, msg: dns_msg, ans: dns_answer) &priority=5 event dns_SRV_reply(c: connection, msg: dns_msg, ans: dns_answer) &priority=5
{ {
event DNS::do_reply(c, msg, ans, ""); event DNS::do_reply(c, msg, ans, "");
@ -247,17 +255,17 @@ event dns_SRV_reply(c: connection, msg: dns_msg, ans: dns_answer) &priority=5
# TODO: figure out how to handle these # TODO: figure out how to handle these
#event dns_EDNS(c: connection, msg: dns_msg, ans: dns_answer) #event dns_EDNS(c: connection, msg: dns_msg, ans: dns_answer)
# { # {
# #
# } # }
# #
#event dns_EDNS_addl(c: connection, msg: dns_msg, ans: dns_edns_additional) #event dns_EDNS_addl(c: connection, msg: dns_msg, ans: dns_edns_additional)
# { # {
# #
# } # }
# #
#event dns_TSIG_addl(c: connection, msg: dns_msg, ans: dns_tsig_additional) #event dns_TSIG_addl(c: connection, msg: dns_msg, ans: dns_tsig_additional)
# { # {
# #
# } # }
@ -271,10 +279,10 @@ event connection_state_remove(c: connection) &priority=-5
{ {
if ( ! c?$dns_state ) if ( ! c?$dns_state )
return; return;
# If Bro is expiring state, we should go ahead and log all unlogged # If Bro is expiring state, we should go ahead and log all unlogged
# request/response pairs now. # request/response pairs now.
for ( trans_id in c$dns_state$pending ) for ( trans_id in c$dns_state$pending )
Log::write(DNS::LOG, c$dns_state$pending[trans_id]); Log::write(DNS::LOG, c$dns_state$pending[trans_id]);
} }

View file

@ -41,7 +41,7 @@ redef capture_filters += { ["irc-6668"] = "port 6668" };
redef capture_filters += { ["irc-6669"] = "port 6669" }; redef capture_filters += { ["irc-6669"] = "port 6669" };
# DPD configuration. # DPD configuration.
global irc_ports = { 6666/tcp, 6667/tcp, 6668/tcp, 6669/tcp } &redef; const irc_ports = { 6666/tcp, 6667/tcp, 6668/tcp, 6669/tcp };
redef dpd_config += { [ANALYZER_IRC] = [$ports = irc_ports] }; redef dpd_config += { [ANALYZER_IRC] = [$ports = irc_ports] };
redef likely_server_ports += { 6666/tcp, 6667/tcp, 6668/tcp, 6669/tcp }; redef likely_server_ports += { 6666/tcp, 6667/tcp, 6668/tcp, 6669/tcp };

View file

@ -13,6 +13,44 @@ export {
[TLSv11] = "TLSv11", [TLSv11] = "TLSv11",
} &default="UNKNOWN"; } &default="UNKNOWN";
const alert_levels: table[count] of string = {
[1] = "warning",
[2] = "fatal",
} &default=function(i: count):string { return fmt("unknown-%d", i); };
const alert_descriptions: table[count] of string = {
[0] = "close_notify",
[10] = "unexpected_message",
[20] = "bad_record_mac",
[21] = "decryption_failed",
[22] = "record_overflow",
[30] = "decompression_failure",
[40] = "handshake_failure",
[41] = "no_certificate",
[42] = "bad_certificate",
[43] = "unsupported_certificate",
[44] = "certificate_revoked",
[45] = "certificate_expired",
[46] = "certificate_unknown",
[47] = "illegal_parameter",
[48] = "unknown_ca",
[49] = "access_denied",
[50] = "decode_error",
[51] = "decrypt_error",
[60] = "export_restriction",
[70] = "protocol_version",
[71] = "insufficient_security",
[80] = "internal_error",
[90] = "user_canceled",
[100] = "no_renegotiation",
[110] = "unsupported_extension",
[111] = "certificate_unobtainable",
[112] = "unrecognized_name",
[113] = "bad_certificate_status_response",
[114] = "bad_certificate_hash_value",
[115] = "unknown_psk_identity",
} &default=function(i: count):string { return fmt("unknown-%d", i); };
# http://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xml # http://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xml
const extensions: table[count] of string = { const extensions: table[count] of string = {
[0] = "server_name", [0] = "server_name",
@ -526,8 +564,7 @@ export {
[30] = "akid issuer serial mismatch", [30] = "akid issuer serial mismatch",
[31] = "keyusage no certsign", [31] = "keyusage no certsign",
[32] = "unable to get crl issuer", [32] = "unable to get crl issuer",
[33] = "unhandled critical extension" [33] = "unhandled critical extension",
}; };
} }

View file

@ -16,32 +16,33 @@ export {
subject: string &log &optional; subject: string &log &optional;
not_valid_before: time &log &optional; not_valid_before: time &log &optional;
not_valid_after: time &log &optional; not_valid_after: time &log &optional;
last_alert: string &log &optional;
cert: string &optional; cert: string &optional;
cert_chain: vector of string &optional; cert_chain: vector of string &optional;
## This stores the analyzer id used for the analyzer instance attached ## This stores the analyzer id used for the analyzer instance attached
## to each connection. It is not used for logging since it's a ## to each connection. It is not used for logging since it's a
## meaningless arbitrary number. ## meaningless arbitrary number.
analyzer_id: count &optional; analyzer_id: count &optional;
}; };
## This is where the default root CA bundle is defined. By loading the ## This is where the default root CA bundle is defined. By loading the
## mozilla-ca-list.bro script it will be set to Mozilla's root CA list. ## mozilla-ca-list.bro script it will be set to Mozilla's root CA list.
const root_certs: table[string] of string = {} &redef; const root_certs: table[string] of string = {} &redef;
## If true, detach the SSL analyzer from the connection to prevent ## If true, detach the SSL analyzer from the connection to prevent
## continuing to process encrypted traffic. Helps with performance ## continuing to process encrypted traffic. Helps with performance
## (especially with large file transfers). ## (especially with large file transfers).
const disable_analyzer_after_detection = T &redef; const disable_analyzer_after_detection = T &redef;
## The openssl command line utility. If it's in the path the default ## The openssl command line utility. If it's in the path the default
## value will work, otherwise a full path string can be supplied for the ## value will work, otherwise a full path string can be supplied for the
## utility. ## utility.
const openssl_util = "openssl" &redef; const openssl_util = "openssl" &redef;
global log_ssl: event(rec: Info); global log_ssl: event(rec: Info);
const ports = { const ports = {
443/tcp, 563/tcp, 585/tcp, 614/tcp, 636/tcp, 443/tcp, 563/tcp, 585/tcp, 614/tcp, 636/tcp,
989/tcp, 990/tcp, 992/tcp, 993/tcp, 995/tcp, 5223/tcp 989/tcp, 990/tcp, 992/tcp, 993/tcp, 995/tcp, 5223/tcp
@ -86,7 +87,7 @@ function set_session(c: connection)
if ( ! c?$ssl ) if ( ! c?$ssl )
c$ssl = [$ts=network_time(), $uid=c$uid, $id=c$id, $cert_chain=vector()]; c$ssl = [$ts=network_time(), $uid=c$uid, $id=c$id, $cert_chain=vector()];
} }
function finish(c: connection) function finish(c: connection)
{ {
Log::write(SSL::LOG, c$ssl); Log::write(SSL::LOG, c$ssl);
@ -98,29 +99,33 @@ function finish(c: connection)
event ssl_client_hello(c: connection, version: count, possible_ts: time, session_id: string, ciphers: count_set) &priority=5 event ssl_client_hello(c: connection, version: count, possible_ts: time, session_id: string, ciphers: count_set) &priority=5
{ {
set_session(c); set_session(c);
# Save the session_id if there is one set. # Save the session_id if there is one set.
if ( session_id != /^\x00{32}$/ ) if ( session_id != /^\x00{32}$/ )
c$ssl$session_id = bytestring_to_hexstr(session_id); c$ssl$session_id = bytestring_to_hexstr(session_id);
} }
event ssl_server_hello(c: connection, version: count, possible_ts: time, session_id: string, cipher: count, comp_method: count) &priority=5 event ssl_server_hello(c: connection, version: count, possible_ts: time, session_id: string, cipher: count, comp_method: count) &priority=5
{ {
set_session(c); set_session(c);
c$ssl$version = version_strings[version]; c$ssl$version = version_strings[version];
c$ssl$cipher = cipher_desc[cipher]; c$ssl$cipher = cipher_desc[cipher];
} }
event x509_certificate(c: connection, cert: X509, is_server: bool, chain_idx: count, chain_len: count, der_cert: string) &priority=5 event x509_certificate(c: connection, is_orig: bool, cert: X509, chain_idx: count, chain_len: count, der_cert: string) &priority=5
{ {
set_session(c); set_session(c);
# We aren't doing anything with client certificates yet.
if ( is_orig )
return;
if ( chain_idx == 0 ) if ( chain_idx == 0 )
{ {
# Save the primary cert. # Save the primary cert.
c$ssl$cert = der_cert; c$ssl$cert = der_cert;
# Also save other certificate information about the primary cert. # Also save other certificate information about the primary cert.
c$ssl$subject = cert$subject; c$ssl$subject = cert$subject;
c$ssl$not_valid_before = cert$not_valid_before; c$ssl$not_valid_before = cert$not_valid_before;
@ -132,20 +137,27 @@ event x509_certificate(c: connection, cert: X509, is_server: bool, chain_idx: co
c$ssl$cert_chain[|c$ssl$cert_chain|] = der_cert; c$ssl$cert_chain[|c$ssl$cert_chain|] = der_cert;
} }
} }
event ssl_extension(c: connection, code: count, val: string) &priority=5 event ssl_extension(c: connection, is_orig: bool, code: count, val: string) &priority=5
{ {
set_session(c); set_session(c);
if ( extensions[code] == "server_name" ) if ( is_orig && extensions[code] == "server_name" )
c$ssl$server_name = sub_bytes(val, 6, |val|); c$ssl$server_name = sub_bytes(val, 6, |val|);
} }
event ssl_alert(c: connection, is_orig: bool, level: count, desc: count) &priority=5
{
set_session(c);
c$ssl$last_alert = alert_descriptions[desc];
}
event ssl_established(c: connection) &priority=5 event ssl_established(c: connection) &priority=5
{ {
set_session(c); set_session(c);
} }
event ssl_established(c: connection) &priority=-5 event ssl_established(c: connection) &priority=-5
{ {
finish(c); finish(c);
@ -163,4 +175,4 @@ event protocol_violation(c: connection, atype: count, aid: count,
{ {
if ( c?$ssl ) if ( c?$ssl )
finish(c); finish(c);
} }

View file

@ -8,7 +8,6 @@ module ProtocolDetector;
export { export {
redef enum Notice::Type += { redef enum Notice::Type += {
Off_Port_Protocol_Found, # raised for each connection found
Protocol_Found, Protocol_Found,
Server_Found, Server_Found,
}; };
@ -155,13 +154,10 @@ function report_protocols(c: connection)
{ {
if ( [a, c$id$resp_h, c$id$resp_p] in valids ) if ( [a, c$id$resp_h, c$id$resp_p] in valids )
do_notice(c, a, valids[a, c$id$resp_h, c$id$resp_p]); do_notice(c, a, valids[a, c$id$resp_h, c$id$resp_p]);
else if ( [a, 0.0.0.0, c$id$resp_p] in valids ) else if ( [a, 0.0.0.0, c$id$resp_p] in valids )
do_notice(c, a, valids[a, 0.0.0.0, c$id$resp_p]); do_notice(c, a, valids[a, 0.0.0.0, c$id$resp_p]);
else else
do_notice(c, a, NONE); do_notice(c, a, NONE);
append_addl(c, analyzer_name(a));
} }
delete conns[c$id]; delete conns[c$id];
@ -218,20 +214,6 @@ event protocol_confirmation(c: connection, atype: count, aid: count)
} }
} }
# event connection_analyzer_disabled(c: connection, analyzer: count)
# {
# if ( c$id !in conns )
# return;
#
# delete conns[c$id][analyzer];
# }
function append_proto_addl(c: connection)
{
for ( a in conns[c$id] )
append_addl(c, fmt_protocol(get_protocol(c, a)));
}
function found_protocol(c: connection, analyzer: count, protocol: string) function found_protocol(c: connection, analyzer: count, protocol: string)
{ {
# Don't report anything running on a well-known port. # Don't report anything running on a well-known port.

View file

@ -7,9 +7,12 @@
@load base/frameworks/notice @load base/frameworks/notice
@load base/protocols/http @load base/protocols/http
module HTTP;
export { export {
redef enum Notice::Type += { redef enum Notice::Type += {
## If the MD5 sum of a file transferred over HTTP ## The MD5 sum of a file transferred over HTTP matched in the
## malware hash registry.
Malware_Hash_Registry_Match Malware_Hash_Registry_Match
}; };
} }

View file

@ -12,12 +12,12 @@ export {
SQL_Injection_Attacker, SQL_Injection_Attacker,
## Indicates that a host was seen to have SQL injection attacks against ## Indicates that a host was seen to have SQL injection attacks against
## it. This is tracked by IP address as opposed to hostname. ## it. This is tracked by IP address as opposed to hostname.
SQL_Injection_Attack_Against, SQL_Injection_Victim,
}; };
redef enum Metrics::ID += { redef enum Metrics::ID += {
SQL_ATTACKER, SQLI_ATTACKER,
SQL_ATTACKS_AGAINST, SQLI_VICTIM,
}; };
redef enum Tags += { redef enum Tags += {
@ -56,14 +56,14 @@ event bro_init() &priority=3
# determine when it looks like an actual attack and how to respond when # determine when it looks like an actual attack and how to respond when
# thresholds are crossed. # thresholds are crossed.
Metrics::add_filter(SQL_ATTACKER, [$log=F, Metrics::add_filter(SQLI_ATTACKER, [$log=F,
$notice_threshold=sqli_requests_threshold, $notice_threshold=sqli_requests_threshold,
$break_interval=sqli_requests_interval, $break_interval=sqli_requests_interval,
$note=SQL_Injection_Attacker]); $note=SQL_Injection_Attacker]);
Metrics::add_filter(SQL_ATTACKS_AGAINST, [$log=F, Metrics::add_filter(SQLI_VICTIM, [$log=F,
$notice_threshold=sqli_requests_threshold, $notice_threshold=sqli_requests_threshold,
$break_interval=sqli_requests_interval, $break_interval=sqli_requests_interval,
$note=SQL_Injection_Attack_Against]); $note=SQL_Injection_Victim]);
} }
event http_request(c: connection, method: string, original_URI: string, event http_request(c: connection, method: string, original_URI: string,
@ -73,7 +73,7 @@ event http_request(c: connection, method: string, original_URI: string,
{ {
add c$http$tags[URI_SQLI]; add c$http$tags[URI_SQLI];
Metrics::add_data(SQL_ATTACKER, [$host=c$id$orig_h], 1); Metrics::add_data(SQLI_ATTACKER, [$host=c$id$orig_h], 1);
Metrics::add_data(SQL_ATTACKS_AGAINST, [$host=c$id$resp_h], 1); Metrics::add_data(SQLI_VICTIM, [$host=c$id$resp_h], 1);
} }
} }

View file

@ -36,7 +36,9 @@ event SSH::heuristic_successful_login(c: connection)
if ( interesting_hostnames in hostname ) if ( interesting_hostnames in hostname )
{ {
NOTICE([$note=Interesting_Hostname_Login, NOTICE([$note=Interesting_Hostname_Login,
$msg=fmt("Interesting login from hostname: %s", hostname), $msg=fmt("Possible SSH login involving a %s %s with an interesting hostname.",
Site::is_local_addr(host) ? "local" : "remote",
host == c$id$orig_h ? "client" : "server"),
$sub=hostname, $conn=c]); $sub=hostname, $conn=c]);
} }
} }

View file

@ -10,11 +10,11 @@ export {
}; };
} }
event x509_certificate(c: connection, cert: X509, is_server: bool, chain_idx: count, chain_len: count, der_cert: string) &priority=4 event x509_certificate(c: connection, is_orig: bool, cert: X509, chain_idx: count, chain_len: count, der_cert: string) &priority=4
{ {
# We aren't tracking client certificates yet and we are also only tracking # We aren't tracking client certificates yet and we are also only tracking
# the primary cert. Watch that this came from an SSL analyzed session too. # the primary cert. Watch that this came from an SSL analyzed session too.
if ( ! is_server || chain_idx != 0 || ! c?$ssl ) if ( is_orig || chain_idx != 0 || ! c?$ssl )
return; return;
c$ssl$cert_hash = md5_hash(der_cert); c$ssl$cert_hash = md5_hash(der_cert);

View file

@ -33,10 +33,11 @@ export {
const notify_when_cert_expiring_in = 30days &redef; const notify_when_cert_expiring_in = 30days &redef;
} }
event x509_certificate(c: connection, cert: X509, is_server: bool, chain_idx: count, chain_len: count, der_cert: string) &priority=3 event x509_certificate(c: connection, is_orig: bool, cert: X509, chain_idx: count, chain_len: count, der_cert: string) &priority=3
{ {
# If this isn't the host cert or we aren't interested in the server, just return. # If this isn't the host cert or we aren't interested in the server, just return.
if ( chain_idx != 0 || if ( is_orig ||
chain_idx != 0 ||
! c$ssl?$cert_hash || ! c$ssl?$cert_hash ||
! addr_matches_host(c$id$resp_h, notify_certs_expiration) ) ! addr_matches_host(c$id$resp_h, notify_certs_expiration) )
return; return;

View file

@ -44,10 +44,10 @@ event bro_init() &priority=5
Log::create_stream(Known::CERTS_LOG, [$columns=CertsInfo, $ev=log_known_certs]); Log::create_stream(Known::CERTS_LOG, [$columns=CertsInfo, $ev=log_known_certs]);
} }
event x509_certificate(c: connection, cert: X509, is_server: bool, chain_idx: count, chain_len: count, der_cert: string) &priority=3 event x509_certificate(c: connection, is_orig: bool, cert: X509, chain_idx: count, chain_len: count, der_cert: string) &priority=3
{ {
# Make sure this is the server cert and we have a hash for it. # Make sure this is the server cert and we have a hash for it.
if ( chain_idx != 0 || ! c$ssl?$cert_hash ) if ( is_orig || chain_idx != 0 || ! c$ssl?$cert_hash )
return; return;
local host = c$id$resp_h; local host = c$id$resp_h;

View file

@ -62,11 +62,3 @@ redef signature_files += "frameworks/signatures/detect-windows-shells.sig";
@load protocols/http/detect-MHR @load protocols/http/detect-MHR
# Detect SQL injection attacks # Detect SQL injection attacks
@load protocols/http/detect-sqli @load protocols/http/detect-sqli
# Uncomment this redef if you want to extract SMTP MIME entities for
# some file types. The numbers given indicate how many bytes to extract for
# the various mime types.
redef SMTP::entity_excerpt_len += {
# ["text/plain"] = 1024,
# ["text/html"] = 1024,
};

View file

@ -60,16 +60,19 @@ void Attr::DescribeReST(ODesc* d) const
d->Add("="); d->Add("=");
d->SP(); d->SP();
if ( expr->Type()->Tag() == TYPE_FUNC )
d->Add(":bro:type:`func`");
else if ( expr->Type()->Tag() == TYPE_ENUM ) if ( expr->Tag() == EXPR_NAME )
{ {
d->Add(":bro:enum:`"); d->Add(":bro:see:`");
expr->Describe(d); expr->Describe(d);
d->Add("`"); d->Add("`");
} }
else if ( expr->Type()->Tag() == TYPE_FUNC )
{
d->Add(":bro:type:`func`");
}
else else
{ {
d->Add("``"); d->Add("``");
@ -481,7 +484,11 @@ bool Attributes::DoSerialize(SerialInfo* info) const
loop_over_list((*attrs), i) loop_over_list((*attrs), i)
{ {
Attr* a = (*attrs)[i]; Attr* a = (*attrs)[i];
SERIALIZE_OPTIONAL(a->AttrExpr())
// Broccoli doesn't support expressions.
Expr* e = (! info->broccoli_peer) ? a->AttrExpr() : 0;
SERIALIZE_OPTIONAL(e);
if ( ! SERIALIZE(char(a->Tag())) ) if ( ! SERIALIZE(char(a->Tag())) )
return false; return false;
} }

View file

@ -215,14 +215,16 @@ void BroDoc::WriteDocFile() const
if ( ! port_analysis.empty() ) if ( ! port_analysis.empty() )
{ {
WriteSectionHeading("Port Analysis", '-'); WriteSectionHeading("Port Analysis", '-');
WriteToDoc(":ref:`More Information <common_port_analysis_doc>`\n\n"); WriteToDoc("Loading this script makes the following changes to "
":bro:see:`dpd_config`.\n\n");
WriteStringList("%s", port_analysis); WriteStringList("%s", port_analysis);
} }
if ( ! packet_filter.empty() ) if ( ! packet_filter.empty() )
{ {
WriteSectionHeading("Packet Filter", '-'); WriteSectionHeading("Packet Filter", '-');
WriteToDoc(":ref:`More Information <common_packet_filter_doc>`\n\n"); WriteToDoc("Loading this script makes the following changes to "
":bro:see:`capture_filters`.\n\n");
WriteToDoc("Filters added::\n\n"); WriteToDoc("Filters added::\n\n");
WriteToDoc("%s\n", packet_filter.c_str()); WriteToDoc("%s\n", packet_filter.c_str());
} }

View file

@ -4,9 +4,12 @@
#include "ID.h" #include "ID.h"
#include "BroDocObj.h" #include "BroDocObj.h"
BroDocObj* BroDocObj::last = 0;
BroDocObj::BroDocObj(const ID* id, std::list<std::string>*& reST, BroDocObj::BroDocObj(const ID* id, std::list<std::string>*& reST,
bool is_fake) bool is_fake)
{ {
last = this;
broID = id; broID = id;
reST_doc_strings = reST; reST_doc_strings = reST;
reST = 0; reST = 0;

View file

@ -103,6 +103,20 @@ public:
*/ */
int LongestShortDescLen() const; int LongestShortDescLen() const;
/**
* Adds a reST documentation string to this BroDocObj's list.
* @param s the documentation string to append.
*/
void AddDocString(const std::string& s)
{
if ( ! reST_doc_strings )
reST_doc_strings = new std::list<std::string>();
reST_doc_strings->push_back(s);
FormulateShortDesc();
}
static BroDocObj* last;
protected: protected:
std::list<std::string>* reST_doc_strings; std::list<std::string>* reST_doc_strings;
std::list<std::string> short_desc; std::list<std::string> short_desc;

View file

@ -1,4 +1,5 @@
include_directories(${CMAKE_CURRENT_SOURCE_DIR} include_directories(BEFORE
${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}
) )

View file

@ -595,8 +595,6 @@ void DNS_Mgr::Resolve()
} }
else else
--num_pending; --num_pending;
delete dr;
} }
} }

View file

@ -41,8 +41,7 @@ ODesc::ODesc(desc_type t, BroFile* arg_f)
do_flush = 1; do_flush = 1;
include_stats = 0; include_stats = 0;
indent_with_spaces = 0; indent_with_spaces = 0;
escape = 0; escape = false;
escape_len = 0;
} }
ODesc::~ODesc() ODesc::~ODesc()
@ -56,10 +55,9 @@ ODesc::~ODesc()
free(base); free(base);
} }
void ODesc::SetEscape(const char* arg_escape, int len) void ODesc::EnableEscaping()
{ {
escape = arg_escape; escape = true;
escape_len = len;
} }
void ODesc::PushIndent() void ODesc::PushIndent()
@ -228,6 +226,25 @@ static const char* find_first_unprintable(ODesc* d, const char* bytes, unsigned
return 0; return 0;
} }
pair<const char*, size_t> ODesc::FirstEscapeLoc(const char* bytes, size_t n)
{
pair<const char*, size_t> p(find_first_unprintable(this, bytes, n), 1);
string str(bytes, n);
list<string>::const_iterator it;
for ( it = escape_sequences.begin(); it != escape_sequences.end(); ++it )
{
size_t pos = str.find(*it);
if ( pos != string::npos && (p.first == 0 || bytes + pos < p.first) )
{
p.first = bytes + pos;
p.second = it->size();
}
}
return p;
}
void ODesc::AddBytes(const void* bytes, unsigned int n) void ODesc::AddBytes(const void* bytes, unsigned int n)
{ {
if ( ! escape ) if ( ! escape )
@ -241,45 +258,30 @@ void ODesc::AddBytes(const void* bytes, unsigned int n)
while ( s < e ) while ( s < e )
{ {
const char* t1 = (const char*) memchr(s, escape[0], e - s); pair<const char*, size_t> p = FirstEscapeLoc(s, e - s);
if ( p.first )
if ( ! t1 )
t1 = e;
const char* t2 = find_first_unprintable(this, s, t1 - s);
if ( t2 && t2 < t1 )
{ {
AddBytesRaw(s, t2 - s); AddBytesRaw(s, p.first - s);
if ( p.second == 1 )
char hex[6] = "\\x00"; {
hex[2] = hex_chars[((*t2) & 0xf0) >> 4]; char hex[6] = "\\x00";
hex[3] = hex_chars[(*t2) & 0x0f]; hex[2] = hex_chars[((*p.first) & 0xf0) >> 4];
AddBytesRaw(hex, 4); hex[3] = hex_chars[(*p.first) & 0x0f];
AddBytesRaw(hex, 4);
s = t2 + 1; }
continue; else
{
string esc_str = get_escaped_string(string(p.first, p.second), true);
AddBytesRaw(esc_str.c_str(), esc_str.size());
}
s = p.first + p.second;
} }
else
if ( memcmp(t1, escape, escape_len) != 0 )
break;
AddBytesRaw(s, t1 - s);
for ( int i = 0; i < escape_len; ++i )
{ {
char hex[5] = "\\x00"; AddBytesRaw(s, e - s);
hex[2] = hex_chars[((*t1) & 0xf0) >> 4]; break;
hex[3] = hex_chars[(*t1) & 0x0f];
AddBytesRaw(hex, 4);
++t1;
} }
s = t1;
} }
if ( s < e )
AddBytesRaw(s, e - s);
} }
void ODesc::AddBytesRaw(const void* bytes, unsigned int n) void ODesc::AddBytesRaw(const void* bytes, unsigned int n)

View file

@ -4,6 +4,8 @@
#define descriptor_h #define descriptor_h
#include <stdio.h> #include <stdio.h>
#include <list>
#include <utility>
#include "BroString.h" #include "BroString.h"
typedef enum { typedef enum {
@ -48,8 +50,13 @@ public:
void SetFlush(int arg_do_flush) { do_flush = arg_do_flush; } void SetFlush(int arg_do_flush) { do_flush = arg_do_flush; }
// The string passed in must remain valid as long as this object lives. void EnableEscaping();
void SetEscape(const char* escape, int len); void AddEscapeSequence(const char* s) { escape_sequences.push_back(s); }
void AddEscapeSequence(const char* s, size_t n)
{ escape_sequences.push_back(string(s, n)); }
void RemoveEscapeSequence(const char* s) { escape_sequences.remove(s); }
void RemoveEscapeSequence(const char* s, size_t n)
{ escape_sequences.remove(string(s, n)); }
void PushIndent(); void PushIndent();
void PopIndent(); void PopIndent();
@ -133,6 +140,19 @@ protected:
void OutOfMemory(); void OutOfMemory();
/**
* Returns the location of the first place in the bytes to be hex-escaped.
*
* @param bytes the starting memory address to start searching for
* escapable character.
* @param n the maximum number of bytes to search.
* @return a pair whose first element represents a starting memory address
* to be escaped up to the number of characters indicated by the
* second element. The first element may be 0 if nothing is
* to be escaped.
*/
pair<const char*, size_t> FirstEscapeLoc(const char* bytes, size_t n);
desc_type type; desc_type type;
desc_style style; desc_style style;
@ -140,8 +160,8 @@ protected:
unsigned int offset; // where we are in the buffer unsigned int offset; // where we are in the buffer
unsigned int size; // size of buffer in bytes unsigned int size; // size of buffer in bytes
int escape_len; // number of bytes in to escape sequence bool escape; // escape unprintable characters in output?
const char* escape; // bytes to escape on output list<string> escape_sequences; // additional sequences of chars to escape
BroFile* f; // or the file we're using. BroFile* f; // or the file we're using.

View file

@ -359,7 +359,7 @@ bool NameExpr::DoUnserialize(UnserialInfo* info)
if ( id ) if ( id )
::Ref(id); ::Ref(id);
else else
reporter->Warning("unserialized unknown global name"); reporter->Warning("configuration changed: unserialized unknown global name from persistent state");
delete [] name; delete [] name;
} }
@ -4053,7 +4053,15 @@ Val* RecordCoerceExpr::Fold(Val* v) const
val->Assign(i, rhs); val->Assign(i, rhs);
} }
else else
val->Assign(i, 0); {
const Attr* def =
Type()->AsRecordType()->FieldDecl(i)->FindAttr(ATTR_DEFAULT);
if ( def )
val->Assign(i, def->AttrExpr()->Eval(0));
else
val->Assign(i, 0);
}
} }
return val; return val;

View file

@ -81,16 +81,18 @@ struct LogMgr::Stream {
bool LogField::Read(SerializationFormat* fmt) bool LogField::Read(SerializationFormat* fmt)
{ {
int t; int t;
int st;
bool success = (fmt->Read(&name, "name") && fmt->Read(&t, "type")); bool success = (fmt->Read(&name, "name") && fmt->Read(&t, "type") && fmt->Read(&st, "subtype") );
type = (TypeTag) t; type = (TypeTag) t;
subtype = (TypeTag) st;
return success; return success;
} }
bool LogField::Write(SerializationFormat* fmt) const bool LogField::Write(SerializationFormat* fmt) const
{ {
return (fmt->Write(name, "name") && fmt->Write((int)type, "type")); return (fmt->Write(name, "name") && fmt->Write((int)type, "type") && fmt->Write((int)subtype, "subtype"));
} }
LogVal::~LogVal() LogVal::~LogVal()
@ -157,7 +159,7 @@ bool LogVal::IsCompatibleType(BroType* t, bool atomic_only)
if ( atomic_only ) if ( atomic_only )
return false; return false;
return IsCompatibleType(t->AsVectorType()->YieldType()); return IsCompatibleType(t->AsVectorType()->YieldType(), true);
} }
default: default:
@ -707,6 +709,14 @@ bool LogMgr::TraverseRecord(Stream* stream, Filter* filter, RecordType* rt,
LogField* field = new LogField(); LogField* field = new LogField();
field->name = new_path; field->name = new_path;
field->type = t->Tag(); field->type = t->Tag();
if ( field->type == TYPE_TABLE )
{
field->subtype = t->AsSetType()->Indices()->PureType()->Tag();
}
else if ( field->type == TYPE_VECTOR )
{
field->subtype = t->AsVectorType()->YieldType()->Tag();
}
filter->fields[filter->num_fields - 1] = field; filter->fields[filter->num_fields - 1] = field;
} }

View file

@ -15,10 +15,12 @@ class SerializationFormat;
struct LogField { struct LogField {
string name; string name;
TypeTag type; TypeTag type;
// inner type of sets
TypeTag subtype;
LogField() { } LogField() { subtype = TYPE_VOID; }
LogField(const LogField& other) LogField(const LogField& other)
: name(other.name), type(other.type) { } : name(other.name), type(other.type), subtype(other.subtype) { }
// (Un-)serialize. // (Un-)serialize.
bool Read(SerializationFormat* fmt); bool Read(SerializationFormat* fmt);

View file

@ -6,27 +6,6 @@
#include "LogWriterAscii.h" #include "LogWriterAscii.h"
#include "NetVar.h" #include "NetVar.h"
/**
* Takes a string, escapes each character into its equivalent hex code (\x##), and
* returns a string containing all escaped values.
*
* @param str string to escape
* @return A std::string containing a list of escaped hex values of the form \x##
*/
static string get_escaped_string(const std::string& str)
{
char tbuf[16];
string esc = "";
for ( size_t i = 0; i < str.length(); ++i )
{
snprintf(tbuf, sizeof(tbuf), "\\x%02x", str[i]);
esc += tbuf;
}
return esc;
}
LogWriterAscii::LogWriterAscii() LogWriterAscii::LogWriterAscii()
{ {
file = 0; file = 0;
@ -59,7 +38,8 @@ LogWriterAscii::LogWriterAscii()
memcpy(header_prefix, BifConst::LogAscii::header_prefix->Bytes(), memcpy(header_prefix, BifConst::LogAscii::header_prefix->Bytes(),
header_prefix_len); header_prefix_len);
desc.SetEscape(separator, separator_len); desc.EnableEscaping();
desc.AddEscapeSequence(separator, separator_len);
} }
LogWriterAscii::~LogWriterAscii() LogWriterAscii::~LogWriterAscii()
@ -88,7 +68,7 @@ bool LogWriterAscii::DoInit(string path, int num_fields,
if ( output_to_stdout ) if ( output_to_stdout )
path = "/dev/stdout"; path = "/dev/stdout";
fname = IsSpecial(path) ? path : path + ".log"; fname = IsSpecial(path) ? path : path + "." + LogExt();
if ( ! (file = fopen(fname.c_str(), "w")) ) if ( ! (file = fopen(fname.c_str(), "w")) )
{ {
@ -102,13 +82,19 @@ bool LogWriterAscii::DoInit(string path, int num_fields,
{ {
string str = string(header_prefix, header_prefix_len) string str = string(header_prefix, header_prefix_len)
+ "separator " // Always use space as separator here. + "separator " // Always use space as separator here.
+ get_escaped_string(string(separator, separator_len)) + get_escaped_string(string(separator, separator_len), false)
+ "\n"; + "\n";
if( fwrite(str.c_str(), str.length(), 1, file) != 1 ) if( fwrite(str.c_str(), str.length(), 1, file) != 1 )
goto write_error; goto write_error;
if ( ! WriteHeaderField("path", path) ) if ( ! (WriteHeaderField("set_separator", get_escaped_string(
string(set_separator, set_separator_len), false)) &&
WriteHeaderField("empty_field", get_escaped_string(
string(empty_field, empty_field_len), false)) &&
WriteHeaderField("unset_field", get_escaped_string(
string(unset_field, unset_field_len), false)) &&
WriteHeaderField("path", get_escaped_string(path, false))) )
goto write_error; goto write_error;
string names; string names;
@ -125,6 +111,12 @@ bool LogWriterAscii::DoInit(string path, int num_fields,
const LogField* field = fields[i]; const LogField* field = fields[i];
names += field->name; names += field->name;
types += type_name(field->type); types += type_name(field->type);
if ( (field->type == TYPE_TABLE) || (field->type == TYPE_VECTOR) )
{
types += "[";
types += type_name(field->subtype);
types += "]";
}
} }
if ( ! (WriteHeaderField("fields", names) if ( ! (WriteHeaderField("fields", names)
@ -200,10 +192,33 @@ bool LogWriterAscii::DoWriteOne(ODesc* desc, LogVal* val, const LogField* field)
case TYPE_FUNC: case TYPE_FUNC:
{ {
int size = val->val.string_val->size(); int size = val->val.string_val->size();
if ( size ) const char* data = val->val.string_val->data();
desc->AddN(val->val.string_val->data(), val->val.string_val->size());
else if ( ! size )
{
desc->AddN(empty_field, empty_field_len); desc->AddN(empty_field, empty_field_len);
break;
}
if ( size == unset_field_len && memcmp(data, unset_field, size) == 0 )
{
// The value we'd write out would match exactly the
// place-holder we use for unset optional fields. We
// escape the first character so that the output
// won't be ambigious.
static const char hex_chars[] = "0123456789abcdef";
char hex[6] = "\\x00";
hex[2] = hex_chars[((*data) & 0xf0) >> 4];
hex[3] = hex_chars[(*data) & 0x0f];
desc->AddRaw(hex, 4);
++data;
--size;
}
if ( size )
desc->AddN(data, size);
break; break;
} }
@ -215,14 +230,19 @@ bool LogWriterAscii::DoWriteOne(ODesc* desc, LogVal* val, const LogField* field)
break; break;
} }
desc->AddEscapeSequence(set_separator, set_separator_len);
for ( int j = 0; j < val->val.set_val.size; j++ ) for ( int j = 0; j < val->val.set_val.size; j++ )
{ {
if ( j > 0 ) if ( j > 0 )
desc->AddN(set_separator, set_separator_len); desc->AddRaw(set_separator, set_separator_len);
if ( ! DoWriteOne(desc, val->val.set_val.vals[j], field) ) if ( ! DoWriteOne(desc, val->val.set_val.vals[j], field) )
{
desc->RemoveEscapeSequence(set_separator, set_separator_len);
return false; return false;
}
} }
desc->RemoveEscapeSequence(set_separator, set_separator_len);
break; break;
} }
@ -235,14 +255,19 @@ bool LogWriterAscii::DoWriteOne(ODesc* desc, LogVal* val, const LogField* field)
break; break;
} }
desc->AddEscapeSequence(set_separator, set_separator_len);
for ( int j = 0; j < val->val.vector_val.size; j++ ) for ( int j = 0; j < val->val.vector_val.size; j++ )
{ {
if ( j > 0 ) if ( j > 0 )
desc->AddN(set_separator, set_separator_len); desc->AddRaw(set_separator, set_separator_len);
if ( ! DoWriteOne(desc, val->val.vector_val.vals[j], field) ) if ( ! DoWriteOne(desc, val->val.vector_val.vals[j], field) )
{
desc->RemoveEscapeSequence(set_separator, set_separator_len);
return false; return false;
}
} }
desc->RemoveEscapeSequence(set_separator, set_separator_len);
break; break;
} }
@ -297,7 +322,7 @@ bool LogWriterAscii::DoRotate(string rotated_path, double open,
fclose(file); fclose(file);
file = 0; file = 0;
string nname = rotated_path + ".log"; string nname = rotated_path + "." + LogExt();
rename(fname.c_str(), nname.c_str()); rename(fname.c_str(), nname.c_str());
if ( ! FinishedRotation(nname, fname, open, close, terminating) ) if ( ! FinishedRotation(nname, fname, open, close, terminating) )
@ -315,4 +340,9 @@ bool LogWriterAscii::DoSetBuf(bool enabled)
return true; return true;
} }
string LogWriterAscii::LogExt()
{
const char* ext = getenv("BRO_LOG_SUFFIX");
if ( ! ext ) ext = "log";
return ext;
}

View file

@ -13,6 +13,7 @@ public:
~LogWriterAscii(); ~LogWriterAscii();
static LogWriter* Instantiate() { return new LogWriterAscii; } static LogWriter* Instantiate() { return new LogWriterAscii; }
static string LogExt();
protected: protected:
virtual bool DoInit(string path, int num_fields, virtual bool DoInit(string path, int num_fields,

View file

@ -385,6 +385,9 @@ inline void RemoteSerializer::SetupSerialInfo(SerialInfo* info, Peer* peer)
peer->phase == Peer::RUNNING ) peer->phase == Peer::RUNNING )
info->new_cache_strategy = true; info->new_cache_strategy = true;
if ( (peer->caps & Peer::BROCCOLI_PEER) )
info->broccoli_peer = true;
info->include_locations = false; info->include_locations = false;
} }
@ -1457,7 +1460,7 @@ void RemoteSerializer::Finish()
Poll(true); Poll(true);
while ( io->CanWrite() ); while ( io->CanWrite() );
loop_over_list(peers, i) loop_over_list(peers, i)
{ {
CloseConnection(peers[i]); CloseConnection(peers[i]);
} }
@ -2113,6 +2116,9 @@ bool RemoteSerializer::HandshakeDone(Peer* peer)
if ( (peer->caps & Peer::NEW_CACHE_STRATEGY) ) if ( (peer->caps & Peer::NEW_CACHE_STRATEGY) )
Log(LogInfo, "peer supports keep-in-cache; using that", peer); Log(LogInfo, "peer supports keep-in-cache; using that", peer);
if ( (peer->caps & Peer::BROCCOLI_PEER) )
Log(LogInfo, "peer is a Broccoli", peer);
if ( peer->logs_requested ) if ( peer->logs_requested )
log_mgr->SendAllWritersTo(peer->id); log_mgr->SendAllWritersTo(peer->id);
@ -2365,6 +2371,9 @@ bool RemoteSerializer::ProcessSerialization()
current_peer->phase == Peer::RUNNING ) current_peer->phase == Peer::RUNNING )
info.new_cache_strategy = true; info.new_cache_strategy = true;
if ( current_peer->caps & Peer::BROCCOLI_PEER )
info.broccoli_peer = true;
if ( ! forward_remote_state_changes ) if ( ! forward_remote_state_changes )
ignore_accesses = true; ignore_accesses = true;
@ -2923,25 +2932,37 @@ void RemoteSerializer::Log(LogLevel level, const char* msg)
void RemoteSerializer::Log(LogLevel level, const char* msg, Peer* peer, void RemoteSerializer::Log(LogLevel level, const char* msg, Peer* peer,
LogSrc src) LogSrc src)
{ {
if ( peer )
{
val_list* vl = new val_list();
vl->append(peer->val->Ref());
vl->append(new Val(level, TYPE_COUNT));
vl->append(new Val(src, TYPE_COUNT));
vl->append(new StringVal(msg));
mgr.QueueEvent(remote_log_peer, vl);
}
else
{
val_list* vl = new val_list();
vl->append(new Val(level, TYPE_COUNT));
vl->append(new Val(src, TYPE_COUNT));
vl->append(new StringVal(msg));
mgr.QueueEvent(remote_log, vl);
}
#ifdef DEBUG
const int BUFSIZE = 1024; const int BUFSIZE = 1024;
char buffer[BUFSIZE]; char buffer[BUFSIZE];
int len = 0; int len = 0;
if ( peer ) if ( peer )
len += snprintf(buffer + len, sizeof(buffer) - len, len += snprintf(buffer + len, sizeof(buffer) - len, "[#%d/%s:%d] ",
"[#%d/%s:%d] ", int(peer->id), ip2a(peer->ip), int(peer->id), ip2a(peer->ip), peer->port);
peer->port);
len += safe_snprintf(buffer + len, sizeof(buffer) - len, "%s", msg); len += safe_snprintf(buffer + len, sizeof(buffer) - len, "%s", msg);
val_list* vl = new val_list();
vl->append(new Val(level, TYPE_COUNT));
vl->append(new Val(src, TYPE_COUNT));
vl->append(new StringVal(buffer));
mgr.QueueEvent(remote_log, vl);
DEBUG_COMM(fmt("parent: %.6f %s", current_time(), buffer)); DEBUG_COMM(fmt("parent: %.6f %s", current_time(), buffer));
#endif
} }
void RemoteSerializer::RaiseEvent(EventHandlerPtr event, Peer* peer, void RemoteSerializer::RaiseEvent(EventHandlerPtr event, Peer* peer,

View file

@ -198,6 +198,7 @@ protected:
static const int NO_CACHING = 2; static const int NO_CACHING = 2;
static const int PID_64BIT = 4; static const int PID_64BIT = 4;
static const int NEW_CACHE_STRATEGY = 8; static const int NEW_CACHE_STRATEGY = 8;
static const int BROCCOLI_PEER = 16;
// Constants to remember to who did something. // Constants to remember to who did something.
static const int NONE = 0; static const int NONE = 0;

View file

@ -15,6 +15,7 @@ public:
pid_32bit = false; pid_32bit = false;
include_locations = true; include_locations = true;
new_cache_strategy = false; new_cache_strategy = false;
broccoli_peer = false;
} }
SerialInfo(const SerialInfo& info) SerialInfo(const SerialInfo& info)
@ -28,6 +29,7 @@ public:
pid_32bit = info.pid_32bit; pid_32bit = info.pid_32bit;
include_locations = info.include_locations; include_locations = info.include_locations;
new_cache_strategy = info.new_cache_strategy; new_cache_strategy = info.new_cache_strategy;
broccoli_peer = info.broccoli_peer;
} }
// Parameters that control serialization. // Parameters that control serialization.
@ -46,6 +48,11 @@ public:
// If true, we support keeping objs in cache permanently. // If true, we support keeping objs in cache permanently.
bool new_cache_strategy; bool new_cache_strategy;
// If true, we're connecting to a Broccoli. If so, serialization
// specifics may be adapted for functionality Broccoli does not
// support.
bool broccoli_peer;
ChunkedIO::Chunk* chunk; // chunk written right before the serialization ChunkedIO::Chunk* chunk; // chunk written right before the serialization
// Attributes set during serialization. // Attributes set during serialization.
@ -70,6 +77,7 @@ public:
print = 0; print = 0;
pid_32bit = false; pid_32bit = false;
new_cache_strategy = false; new_cache_strategy = false;
broccoli_peer = false;
} }
UnserialInfo(const UnserialInfo& info) UnserialInfo(const UnserialInfo& info)
@ -86,6 +94,7 @@ public:
print = info.print; print = info.print;
pid_32bit = info.pid_32bit; pid_32bit = info.pid_32bit;
new_cache_strategy = info.new_cache_strategy; new_cache_strategy = info.new_cache_strategy;
broccoli_peer = info.broccoli_peer;
} }
// Parameters that control unserialization. // Parameters that control unserialization.
@ -106,6 +115,11 @@ public:
// If true, we support keeping objs in cache permanently. // If true, we support keeping objs in cache permanently.
bool new_cache_strategy; bool new_cache_strategy;
// If true, we're connecting to a Broccoli. If so, serialization
// specifics may be adapted for functionality Broccoli does not
// support.
bool broccoli_peer;
// If a global ID already exits, of these policies is used. // If a global ID already exits, of these policies is used.
enum { enum {
Keep, // keep the old ID and ignore the new Keep, // keep the old ID and ignore the new

View file

@ -121,7 +121,7 @@ protected:
// This will be increased whenever there is an incompatible change // This will be increased whenever there is an incompatible change
// in the data format. // in the data format.
static const uint32 DATA_FORMAT_VERSION = 20; static const uint32 DATA_FORMAT_VERSION = 21;
ChunkedIO* io; ChunkedIO* io;

View file

@ -876,74 +876,12 @@ void CommentedTypeDecl::DescribeReST(ODesc* d) const
} }
} }
RecordField::RecordField(int arg_base, int arg_offset, int arg_total_offset)
{
base = arg_base;
offset = arg_offset;
total_offset = arg_total_offset;
}
RecordType::RecordType(type_decl_list* arg_types) : BroType(TYPE_RECORD) RecordType::RecordType(type_decl_list* arg_types) : BroType(TYPE_RECORD)
{ {
types = arg_types; types = arg_types;
base = 0;
fields = 0;
num_fields = types ? types->length() : 0; num_fields = types ? types->length() : 0;
} }
RecordType::RecordType(TypeList* arg_base, type_decl_list* refinements)
: BroType(TYPE_RECORD)
{
if ( refinements )
arg_base->Append(new RecordType(refinements));
Init(arg_base);
}
void RecordType::Init(TypeList* arg_base)
{
assert(false); // Is this ever used?
base = arg_base;
if ( ! base )
Internal("empty RecordType");
fields = new PDict(RecordField)(ORDERED);
types = 0;
type_list* t = base->Types();
loop_over_list(*t, i)
{
BroType* ti = (*t)[i];
if ( ti->Tag() != TYPE_RECORD )
(*t)[i]->Error("non-record in base type list");
RecordType* rti = ti->AsRecordType();
int n = rti->NumFields();
for ( int j = 0; j < n; ++j )
{
const TypeDecl* tdij = rti->FieldDecl(j);
if ( fields->Lookup(tdij->id) )
{
reporter->Error("duplicate field %s", tdij->id);
continue;
}
RecordField* rf = new RecordField(i, j, fields->Length());
if ( fields->Insert(tdij->id, rf) )
Internal("duplicate field when constructing record");
}
}
num_fields = fields->Length();
}
RecordType::~RecordType() RecordType::~RecordType()
{ {
if ( types ) if ( types )
@ -953,9 +891,6 @@ RecordType::~RecordType()
delete types; delete types;
} }
delete fields;
Unref(base);
} }
int RecordType::HasField(const char* field) const int RecordType::HasField(const char* field) const
@ -971,17 +906,7 @@ BroType* RecordType::FieldType(const char* field) const
BroType* RecordType::FieldType(int field) const BroType* RecordType::FieldType(int field) const
{ {
if ( types ) return (*types)[field]->type;
return (*types)[field]->type;
else
{
RecordField* rf = fields->NthEntry(field);
if ( ! rf )
Internal("missing field in RecordType::FieldType");
BroType* bt = (*base->Types())[rf->base];
RecordType* rbt = bt->AsRecordType();
return rbt->FieldType(rf->offset);
}
} }
Val* RecordType::FieldDefault(int field) const Val* RecordType::FieldDefault(int field) const
@ -998,26 +923,14 @@ Val* RecordType::FieldDefault(int field) const
int RecordType::FieldOffset(const char* field) const int RecordType::FieldOffset(const char* field) const
{ {
if ( types ) loop_over_list(*types, i)
{ {
loop_over_list(*types, i) TypeDecl* td = (*types)[i];
{ if ( streq(td->id, field) )
TypeDecl* td = (*types)[i]; return i;
if ( streq(td->id, field) )
return i;
}
return -1;
} }
else return -1;
{
RecordField* rf = fields->Lookup(field);
if ( ! rf )
return -1;
else
return rf->total_offset;
}
} }
const char* RecordType::FieldName(int field) const const char* RecordType::FieldName(int field) const
@ -1027,33 +940,12 @@ const char* RecordType::FieldName(int field) const
const TypeDecl* RecordType::FieldDecl(int field) const const TypeDecl* RecordType::FieldDecl(int field) const
{ {
if ( types ) return (*types)[field];
return (*types)[field];
else
{
RecordField* rf = fields->NthEntry(field);
if ( ! rf )
reporter->InternalError("missing field in RecordType::FieldDecl");
BroType* bt = (*base->Types())[rf->base];
RecordType* rbt = bt->AsRecordType();
return rbt->FieldDecl(rf->offset);
}
} }
TypeDecl* RecordType::FieldDecl(int field) TypeDecl* RecordType::FieldDecl(int field)
{ {
if ( types ) return (*types)[field];
return (*types)[field];
else
{
RecordField* rf = fields->NthEntry(field);
if ( ! rf )
Internal("missing field in RecordType::FieldDecl");
BroType* bt = (*base->Types())[rf->base];
RecordType* rbt = bt->AsRecordType();
return rbt->FieldDecl(rf->offset);
}
} }
void RecordType::Describe(ODesc* d) const void RecordType::Describe(ODesc* d) const
@ -1151,11 +1043,6 @@ void RecordType::DescribeFields(ODesc* d) const
d->SP(); d->SP();
} }
} }
else
{
d->AddCount(1);
base->Describe(d);
}
} }
} }
@ -1208,9 +1095,6 @@ bool RecordType::DoSerialize(SerialInfo* info) const
else if ( ! SERIALIZE(false) ) else if ( ! SERIALIZE(false) )
return false; return false;
SERIALIZE_OPTIONAL(base);
// We don't serialize the fields as we can reconstruct them.
return true; return true;
} }
@ -1245,13 +1129,6 @@ bool RecordType::DoUnserialize(UnserialInfo* info)
else else
types = 0; types = 0;
BroType* type;
UNSERIALIZE_OPTIONAL(type, BroType::Unserialize(info, TYPE_LIST));
base = (TypeList*) type;
if ( base )
Init(base);
return true; return true;
} }
@ -1594,21 +1471,6 @@ bool VectorType::DoUnserialize(UnserialInfo* info)
return yield_type != 0; return yield_type != 0;
} }
BroType* refine_type(TypeList* base, type_decl_list* refinements)
{
type_list* t = base->Types();
if ( t->length() == 1 && ! refinements )
{ // Just a direct reference to a single type.
BroType* rt = (*t)[0]->Ref();
Unref(base);
return rt;
}
return new RecordType(base, refinements);
}
BroType* base_type(TypeTag tag) BroType* base_type(TypeTag tag)
{ {
static BroType* base_types[NUM_TYPES]; static BroType* base_types[NUM_TYPES];

View file

@ -426,20 +426,9 @@ public:
std::list<std::string>* comments; std::list<std::string>* comments;
}; };
class RecordField {
public:
RecordField(int arg_base, int arg_offset, int arg_total_offset);
int base; // which base element it belongs to
int offset; // where it is in that base
int total_offset; // where it is in the aggregate record
};
declare(PDict,RecordField);
class RecordType : public BroType { class RecordType : public BroType {
public: public:
RecordType(type_decl_list* types); RecordType(type_decl_list* types);
RecordType(TypeList* base, type_decl_list* refinements);
~RecordType(); ~RecordType();
@ -473,15 +462,11 @@ public:
void DescribeFieldsReST(ODesc* d, bool func_args) const; void DescribeFieldsReST(ODesc* d, bool func_args) const;
protected: protected:
RecordType() { fields = 0; base = 0; types = 0; } RecordType() { types = 0; }
void Init(TypeList* arg_base);
DECLARE_SERIAL(RecordType) DECLARE_SERIAL(RecordType)
int num_fields; int num_fields;
PDict(RecordField)* fields;
TypeList* base;
type_decl_list* types; type_decl_list* types;
}; };
@ -587,10 +572,6 @@ protected:
BroType* yield_type; BroType* yield_type;
}; };
// Returns the given type refinement, or error_type() if it's illegal.
extern BroType* refine_type(TypeList* base, type_decl_list* refinements);
// Returns the BRO basic (non-parameterized) type with the given type. // Returns the BRO basic (non-parameterized) type with the given type.
extern BroType* base_type(TypeTag tag); extern BroType* base_type(TypeTag tag);

View file

@ -279,14 +279,13 @@ event ssh_server_version%(c: connection, version: string%);
event ssl_client_hello%(c: connection, version: count, possible_ts: time, session_id: string, ciphers: count_set%); event ssl_client_hello%(c: connection, version: count, possible_ts: time, session_id: string, ciphers: count_set%);
event ssl_server_hello%(c: connection, version: count, possible_ts: time, session_id: string, cipher: count, comp_method: count%); event ssl_server_hello%(c: connection, version: count, possible_ts: time, session_id: string, cipher: count, comp_method: count%);
event ssl_extension%(c: connection, code: count, val: string%); event ssl_extension%(c: connection, is_orig: bool, code: count, val: string%);
event ssl_session_ticket_handshake%(c: connection, ticket_lifetime_hint: count, ticket: string%); event ssl_alert%(c: connection, is_orig: bool, level: count, desc: count%);
event ssl_established%(c: connection%); event ssl_established%(c: connection%);
event ssl_alert%(c: connection, level: count, desc: count%);
event x509_certificate%(c: connection, cert: X509, is_server: bool, chain_idx: count, chain_len: count, der_cert: string%); event x509_certificate%(c: connection, is_orig: bool, cert: X509, chain_idx: count, chain_len: count, der_cert: string%);
event x509_extension%(c: connection, data: string%); event x509_extension%(c: connection, is_orig: bool, data: string%);
event x509_error%(c: connection, err: count%); event x509_error%(c: connection, is_orig: bool, err: count%);
event stp_create_endp%(c: connection, e: int, is_orig: bool%); event stp_create_endp%(c: connection, e: int, is_orig: bool%);
event stp_resume_endp%(e: int%); event stp_resume_endp%(e: int%);
@ -445,6 +444,29 @@ event remote_state_inconsistency%(operation: string, id: string,
# Generated for communication log message. # Generated for communication log message.
event remote_log%(level: count, src: count, msg: string%); event remote_log%(level: count, src: count, msg: string%);
## Generated for communication log messages. While this event is
## intended primarily for use by Bro's communication framework, it can also trigger
## additional code if helpful. This event is equivalent to
## :bro:see:`remote_log` except the message is with respect to a certain peer.
##
## p: A record describing the remote peer.
##
## level: The log level, which is either :bro:enum:`REMOTE_LOG_INFO` or
## :bro:enum:`REMOTE_LOG_ERROR`.
##
## src: The component of the comminication system that logged the message.
## Currently, this will be one of :bro:enum:`REMOTE_SRC_CHILD` (Bro's
## child process), :bro:enum:`REMOTE_SRC_PARENT` (Bro's main process), or
## :bro:enum:`REMOTE_SRC_SCRIPT` (the script level).
##
## msg: The message logged.
##
## .. bro:see:: remote_capture_filter remote_connection_closed remote_connection_error
## remote_connection_established remote_connection_handshake_done
## remote_event_registered remote_pong remote_state_access_performed
## remote_state_inconsistency print_hook remote_log
event remote_log_peer%(p: event_peer, level: count, src: count, msg: string%);
# Generated when a remote peer has answered to our ping. # Generated when a remote peer has answered to our ping.
event remote_pong%(p: event_peer, seq: count, event remote_pong%(p: event_peer, seq: count,
d1: interval, d2: interval, d3: interval%); d1: interval, d2: interval, d3: interval%);

View file

@ -47,6 +47,7 @@ extern "C" void OPENSSL_add_all_algorithms_conf(void);
#include "ConnCompressor.h" #include "ConnCompressor.h"
#include "DPM.h" #include "DPM.h"
#include "BroDoc.h" #include "BroDoc.h"
#include "LogWriterAscii.h"
#include "binpac_bro.h" #include "binpac_bro.h"
@ -194,6 +195,7 @@ void usage()
fprintf(stderr, " $BRO_PREFIXES | prefix list (%s)\n", bro_prefixes()); fprintf(stderr, " $BRO_PREFIXES | prefix list (%s)\n", bro_prefixes());
fprintf(stderr, " $BRO_DNS_FAKE | disable DNS lookups (%s)\n", bro_dns_fake()); fprintf(stderr, " $BRO_DNS_FAKE | disable DNS lookups (%s)\n", bro_dns_fake());
fprintf(stderr, " $BRO_SEED_FILE | file to load seeds from (not set)\n"); fprintf(stderr, " $BRO_SEED_FILE | file to load seeds from (not set)\n");
fprintf(stderr, " $BRO_LOG_SUFFIX | ASCII log file extension (.%s)\n", LogWriterAscii::LogExt().c_str());
exit(1); exit(1);
} }

View file

@ -2,7 +2,7 @@
// See the file "COPYING" in the main distribution directory for copyright. // See the file "COPYING" in the main distribution directory for copyright.
%} %}
%expect 88 %expect 87
%token TOK_ADD TOK_ADD_TO TOK_ADDR TOK_ANY %token TOK_ADD TOK_ADD_TO TOK_ADDR TOK_ANY
%token TOK_ATENDIF TOK_ATELSE TOK_ATIF TOK_ATIFDEF TOK_ATIFNDEF %token TOK_ATENDIF TOK_ATELSE TOK_ATIF TOK_ATIFDEF TOK_ATIFNDEF
@ -53,7 +53,7 @@
%type <expr> expr init anonymous_function %type <expr> expr init anonymous_function
%type <event_expr> event %type <event_expr> event
%type <stmt> stmt stmt_list func_body for_head %type <stmt> stmt stmt_list func_body for_head
%type <type> type opt_type refined_type enum_body %type <type> type opt_type enum_body
%type <func_type> func_hdr func_params %type <func_type> func_hdr func_params
%type <type_l> type_list %type <type_l> type_list
%type <type_decl> type_decl formal_args_decl %type <type_decl> type_decl formal_args_decl
@ -1104,7 +1104,7 @@ decl:
} }
} }
| TOK_TYPE global_id ':' refined_type opt_attr ';' | TOK_TYPE global_id ':' type opt_attr ';'
{ {
add_type($2, $4, $5, 0); add_type($2, $4, $5, 0);
@ -1134,7 +1134,7 @@ decl:
} }
} }
| TOK_EVENT event_id ':' refined_type opt_attr ';' | TOK_EVENT event_id ':' type_list opt_attr ';'
{ {
add_type($2, $4, $5, 1); add_type($2, $4, $5, 1);
@ -1220,13 +1220,6 @@ func_params:
{ $$ = new FuncType($2, base_type(TYPE_VOID), 0); } { $$ = new FuncType($2, base_type(TYPE_VOID), 0); }
; ;
refined_type:
type_list '{' type_decl_list '}'
{ $$ = refine_type($1, $3); }
| type_list
{ $$ = refine_type($1, 0); }
;
opt_type: opt_type:
':' type ':' type
{ $$ = $2; } { $$ = $2; }

View file

@ -167,7 +167,7 @@ ESCSEQ (\\([^\n]|[0-7]+|x[[:xdigit:]]+))
return TOK_POST_DOC; return TOK_POST_DOC;
} }
<DOC>##{OWS}{ID}:.* { <DOC>##{OWS}{ID}:{WS}.* {
const char* id_start = skip_whitespace(yytext + 2); const char* id_start = skip_whitespace(yytext + 2);
yylval.str = copy_string(canon_doc_func_param(id_start).c_str()); yylval.str = copy_string(canon_doc_func_param(id_start).c_str());
return TOK_DOC; return TOK_DOC;
@ -181,7 +181,7 @@ ESCSEQ (\\([^\n]|[0-7]+|x[[:xdigit:]]+))
} }
} }
##{OWS}{ID}:.* { ##{OWS}{ID}:{WS}.* {
if ( generate_documentation ) if ( generate_documentation )
{ {
// Comment is documenting either a function parameter or return type, // Comment is documenting either a function parameter or return type,
@ -201,6 +201,11 @@ ESCSEQ (\\([^\n]|[0-7]+|x[[:xdigit:]]+))
} }
} }
##<.* {
if ( generate_documentation && BroDocObj::last )
BroDocObj::last->AddDocString(canon_doc_comment(yytext + 3));
}
##.* { ##.* {
if ( generate_documentation && (yytext[2] != '#') ) if ( generate_documentation && (yytext[2] != '#') )
{ {

View file

@ -22,11 +22,17 @@
} }
}; };
string orig_label(bool is_orig);
void free_X509(void *); void free_X509(void *);
X509* d2i_X509_binpac(X509** px, const uint8** in, int len); X509* d2i_X509_binpac(X509** px, const uint8** in, int len);
%} %}
%code{ %code{
string orig_label(bool is_orig)
{
return string(is_orig ? "originator" :"responder");
}
void free_X509(void* cert) void free_X509(void* cert)
{ {
X509_free((X509*) cert); X509_free((X509*) cert);
@ -117,14 +123,14 @@ refine connection SSL_Conn += {
function proc_alert(rec: SSLRecord, level : int, desc : int) : bool function proc_alert(rec: SSLRecord, level : int, desc : int) : bool
%{ %{
BifEvent::generate_ssl_alert(bro_analyzer(), bro_analyzer()->Conn(), BifEvent::generate_ssl_alert(bro_analyzer(), bro_analyzer()->Conn(),
level, desc); ${rec.is_orig}, level, desc);
return true; return true;
%} %}
function proc_client_hello(rec: SSLRecord, function proc_client_hello(rec: SSLRecord,
version : uint16, ts : double, version : uint16, ts : double,
session_id : uint8[], session_id : uint8[],
cipher_suites16 : uint16[], cipher_suites16 : uint16[],
cipher_suites24 : uint24[]) : bool cipher_suites24 : uint24[]) : bool
%{ %{
if ( state_ == STATE_TRACK_LOST ) if ( state_ == STATE_TRACK_LOST )
@ -150,15 +156,15 @@ refine connection SSL_Conn += {
cipher_set->Assign(ciph, 0); cipher_set->Assign(ciph, 0);
Unref(ciph); Unref(ciph);
} }
BifEvent::generate_ssl_client_hello(bro_analyzer(), bro_analyzer()->Conn(), BifEvent::generate_ssl_client_hello(bro_analyzer(), bro_analyzer()->Conn(),
version, ts, version, ts,
to_string_val(session_id), to_string_val(session_id),
cipher_set); cipher_set);
delete cipher_suites; delete cipher_suites;
} }
return true; return true;
%} %}
@ -187,16 +193,16 @@ refine connection SSL_Conn += {
std::copy(cipher_suites16->begin(), cipher_suites16->end(), std::back_inserter(*ciphers)); std::copy(cipher_suites16->begin(), cipher_suites16->end(), std::back_inserter(*ciphers));
else else
std::transform(cipher_suites24->begin(), cipher_suites24->end(), std::back_inserter(*ciphers), to_int()); std::transform(cipher_suites24->begin(), cipher_suites24->end(), std::back_inserter(*ciphers), to_int());
BifEvent::generate_ssl_server_hello(bro_analyzer(), BifEvent::generate_ssl_server_hello(bro_analyzer(),
bro_analyzer()->Conn(), bro_analyzer()->Conn(),
version, ts, version, ts,
to_string_val(session_id), to_string_val(session_id),
ciphers->size()==0 ? 0 : ciphers->at(0), comp_method); ciphers->size()==0 ? 0 : ciphers->at(0), comp_method);
delete ciphers; delete ciphers;
} }
return true; return true;
%} %}
@ -212,11 +218,11 @@ refine connection SSL_Conn += {
return true; return true;
%} %}
function proc_ssl_extension(type: int, data: bytestring) : bool function proc_ssl_extension(rec: SSLRecord, type: int, data: bytestring) : bool
%{ %{
if ( ssl_extension ) if ( ssl_extension )
BifEvent::generate_ssl_extension(bro_analyzer(), BifEvent::generate_ssl_extension(bro_analyzer(),
bro_analyzer()->Conn(), type, bro_analyzer()->Conn(), ${rec.is_orig}, type,
new StringVal(data.length(), (const char*) data.data())); new StringVal(data.length(), (const char*) data.data()));
return true; return true;
%} %}
@ -234,7 +240,7 @@ refine connection SSL_Conn += {
if ( x509_certificate ) if ( x509_certificate )
{ {
STACK_OF(X509)* untrusted_certs = 0; STACK_OF(X509)* untrusted_certs = 0;
for ( unsigned int i = 0; i < certificates->size(); ++i ) for ( unsigned int i = 0; i < certificates->size(); ++i )
{ {
const bytestring& cert = (*certificates)[i]; const bytestring& cert = (*certificates)[i];
@ -243,7 +249,7 @@ refine connection SSL_Conn += {
if ( ! pTemp ) if ( ! pTemp )
{ {
BifEvent::generate_x509_error(bro_analyzer(), bro_analyzer()->Conn(), BifEvent::generate_x509_error(bro_analyzer(), bro_analyzer()->Conn(),
ERR_get_error()); ${rec.is_orig}, ERR_get_error());
return false; return false;
} }
@ -269,8 +275,8 @@ refine connection SSL_Conn += {
StringVal* der_cert = new StringVal(cert.length(), (const char*) cert.data()); StringVal* der_cert = new StringVal(cert.length(), (const char*) cert.data());
BifEvent::generate_x509_certificate(bro_analyzer(), bro_analyzer()->Conn(), BifEvent::generate_x509_certificate(bro_analyzer(), bro_analyzer()->Conn(),
${rec.is_orig},
pX509Cert, pX509Cert,
! ${rec.is_orig},
i, certificates->size(), i, certificates->size(),
der_cert); der_cert);
@ -297,7 +303,7 @@ refine connection SSL_Conn += {
StringVal* value = new StringVal(length, (char*)pBuffer); StringVal* value = new StringVal(length, (char*)pBuffer);
BifEvent::generate_x509_extension(bro_analyzer(), BifEvent::generate_x509_extension(bro_analyzer(),
bro_analyzer()->Conn(), value); bro_analyzer()->Conn(), ${rec.is_orig}, value);
OPENSSL_free(pBuffer); OPENSSL_free(pBuffer);
} }
} }
@ -462,5 +468,5 @@ refine typeattr CiphertextRecord += &let {
} }
refine typeattr SSLExtension += &let { refine typeattr SSLExtension += &let {
proc : bool = $context.connection.proc_ssl_extension(type, data); proc : bool = $context.connection.proc_ssl_extension(rec, type, data);
}; };

View file

@ -22,7 +22,6 @@ type uint24 = record {
}; };
string state_label(int state_nr); string state_label(int state_nr);
string orig_label(bool is_orig);
double get_time_from_asn1(const ASN1_TIME * atime); double get_time_from_asn1(const ASN1_TIME * atime);
string handshake_type_label(int type); string handshake_type_label(int type);
%} %}
@ -35,7 +34,7 @@ type SSLRecord(is_orig: bool) = record {
head2 : uint8; head2 : uint8;
head3 : uint8; head3 : uint8;
head4 : uint8; head4 : uint8;
rec : RecordText(this, is_orig)[] &length=length, &requires(content_type); rec : RecordText(this)[] &length=length, &requires(content_type);
} &length = length+5, &byteorder=bigendian, } &length = length+5, &byteorder=bigendian,
&let { &let {
version : int = version : int =
@ -54,7 +53,7 @@ type SSLRecord(is_orig: bool) = record {
}; };
}; };
type RecordText(rec: SSLRecord, is_orig: bool) = case $context.connection.state() of { type RecordText(rec: SSLRecord) = case $context.connection.state() of {
STATE_ABBREV_SERVER_ENCRYPTED, STATE_CLIENT_ENCRYPTED, STATE_ABBREV_SERVER_ENCRYPTED, STATE_CLIENT_ENCRYPTED,
STATE_COMM_ENCRYPTED, STATE_CONN_ESTABLISHED STATE_COMM_ENCRYPTED, STATE_CONN_ESTABLISHED
-> ciphertext : CiphertextRecord(rec); -> ciphertext : CiphertextRecord(rec);
@ -74,7 +73,7 @@ type PlaintextRecord(rec: SSLRecord) = case rec.content_type of {
default -> unknown_record : UnknownRecord(rec); default -> unknown_record : UnknownRecord(rec);
}; };
type SSLExtension = record { type SSLExtension(rec: SSLRecord) = record {
type: uint16; type: uint16;
data_len: uint16; data_len: uint16;
data: bytestring &length=data_len; data: bytestring &length=data_len;
@ -149,10 +148,6 @@ enum AnalyzerState {
} }
} }
string orig_label(bool is_orig)
{
return string(is_orig ? "originator" :"responder");
}
double get_time_from_asn1(const ASN1_TIME * atime) double get_time_from_asn1(const ASN1_TIME * atime)
{ {
@ -384,7 +379,7 @@ type ClientHello(rec: SSLRecord) = record {
# This weirdness is to deal with the possible existence or absence # This weirdness is to deal with the possible existence or absence
# of the following fields. # of the following fields.
ext_len: uint16[] &until($element == 0 || $element != 0); ext_len: uint16[] &until($element == 0 || $element != 0);
extensions : SSLExtension[] &until($input.length() == 0); extensions : SSLExtension(rec)[] &until($input.length() == 0);
} &let { } &let {
state_changed : bool = state_changed : bool =
$context.connection.transition(STATE_INITIAL, $context.connection.transition(STATE_INITIAL,

View file

@ -41,6 +41,37 @@
#include "Net.h" #include "Net.h"
#include "Reporter.h" #include "Reporter.h"
/**
* Takes a string, escapes characters into equivalent hex codes (\x##), and
* returns a string containing all escaped values.
*
* @param str string to escape
* @param escape_all If true, all characters are escaped. If false, only
* characters are escaped that are either whitespace or not printable in
* ASCII.
* @return A std::string containing a list of escaped hex values of the form
* \x## */
std::string get_escaped_string(const std::string& str, bool escape_all)
{
char tbuf[16];
string esc = "";
for ( size_t i = 0; i < str.length(); ++i )
{
char c = str[i];
if ( escape_all || isspace(c) || ! isascii(c) || ! isprint(c) )
{
snprintf(tbuf, sizeof(tbuf), "\\x%02x", str[i]);
esc += tbuf;
}
else
esc += c;
}
return esc;
}
char* copy_string(const char* s) char* copy_string(const char* s)
{ {
char* c = new char[strlen(s)+1]; char* c = new char[strlen(s)+1];

View file

@ -89,6 +89,8 @@ void delete_each(T* t)
delete *it; delete *it;
} }
std::string get_escaped_string(const std::string& str, bool escape_all);
extern char* copy_string(const char* s); extern char* copy_string(const char* s);
extern int streq(const char* s1, const char* s2); extern int streq(const char* s1, const char* s2);

View file

@ -1,6 +1,6 @@
[a=42, b=<uninitialized>, c=<uninitialized>, d=Bar] [a=42, b=Foo, c=<uninitialized>, d=Bar]
{ {
[b] = [type_name=record, log=F, value=<uninitialized>, default_val=Foo], [b] = [type_name=record, log=F, value=Foo, default_val=Foo],
[d] = [type_name=record, log=T, value=Bar, default_val=<uninitialized>], [d] = [type_name=record, log=T, value=Bar, default_val=<uninitialized>],
[c] = [type_name=record, log=F, value=<uninitialized>, default_val=<uninitialized>], [c] = [type_name=record, log=F, value=<uninitialized>, default_val=<uninitialized>],
[a] = [type_name=record, log=F, value=42, default_val=<uninitialized>] [a] = [type_name=record, log=F, value=42, default_val=<uninitialized>]

View file

@ -1,13 +1,16 @@
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path reporter #path reporter
#fields ts level message location #fields ts level message location
#types time enum string string #types time enum string string
1300475168.783842 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.783842 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475168.915940 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.915940 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475168.916118 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.916118 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475168.918295 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.918295 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475168.952193 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.952193 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475168.952228 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.952228 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475168.954761 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.954761 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475168.962628 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475168.962628 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8
1300475169.780331 Reporter::ERROR field value missing [c$ftp] /home/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8 1300475169.780331 Reporter::ERROR field value missing [c$ftp] /Users/robin/bro/master/testing/btest/.tmp/core.expr-exception/expr-exception.bro, line 8

View file

@ -1,4 +1,7 @@
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path conn #path conn
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service duration orig_bytes resp_bytes conn_state local_orig missed_bytes history orig_pkts orig_ip_bytes resp_pkts resp_ip_bytes #fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service duration orig_bytes resp_bytes conn_state local_orig missed_bytes history orig_pkts orig_ip_bytes resp_pkts resp_ip_bytes
#types time string addr port addr port enum string interval count count string bool count string count count count count #types time string addr port addr port enum string interval count count string bool count string count count count count

View file

@ -1,20 +1,32 @@
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path packet_filter #path packet_filter
#fields ts node filter init success #fields ts node filter init success
#types time string string bool bool #types time string string bool bool
1320367155.152502 - not ip6 T T 1324314285.981347 - not ip6 T T
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path packet_filter #path packet_filter
#fields ts node filter init success #fields ts node filter init success
#types time string string bool bool #types time string string bool bool
1320367155.379066 - (((((((((((((((((((((((((port 53) or (tcp port 989)) or (tcp port 443)) or (port 6669)) or (udp and port 5353)) or (port 6668)) or (udp and port 5355)) or (tcp port 22)) or (tcp port 995)) or (port 21)) or (tcp port 25 or tcp port 587)) or (port 6667)) or (tcp port 614)) or (tcp port 990)) or (udp port 137)) or (tcp port 993)) or (tcp port 5223)) or (port 514)) or (tcp port 585)) or (tcp port 992)) or (tcp port 563)) or (tcp port 994)) or (tcp port 636)) or (tcp and port (80 or 81 or 631 or 1080 or 3138 or 8000 or 8080 or 8888))) or (port 6666)) and (not ip6) T T 1324314286.168294 - (((((((((((((((((((((((((port 53) or (tcp port 989)) or (tcp port 443)) or (port 6669)) or (udp and port 5353)) or (port 6668)) or (udp and port 5355)) or (tcp port 22)) or (tcp port 995)) or (port 21)) or (tcp port 25 or tcp port 587)) or (port 6667)) or (tcp port 614)) or (tcp port 990)) or (udp port 137)) or (tcp port 993)) or (tcp port 5223)) or (port 514)) or (tcp port 585)) or (tcp port 992)) or (tcp port 563)) or (tcp port 994)) or (tcp port 636)) or (tcp and port (80 or 81 or 631 or 1080 or 3138 or 8000 or 8080 or 8888))) or (port 6666)) and (not ip6) T T
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path packet_filter #path packet_filter
#fields ts node filter init success #fields ts node filter init success
#types time string string bool bool #types time string string bool bool
1320367155.601980 - port 42 T T 1324314286.350780 - port 42 T T
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path packet_filter #path packet_filter
#fields ts node filter init success #fields ts node filter init success
#types time string string bool bool #types time string string bool bool
1320367155.826539 - port 56730 T T 1324314286.530768 - port 56730 T T

View file

@ -1,2 +1,2 @@
error in /da/home/robin/bro/seth/testing/btest/.tmp/core.reporter-error-in-handler/reporter-error-in-handler.bro, line 22: no such index (a[2]) error in /Users/robin/bro/master/testing/btest/.tmp/core.reporter-error-in-handler/reporter-error-in-handler.bro, line 22: no such index (a[2])
1st error printed on script level 1st error printed on script level

View file

@ -1 +1 @@
error in /Users/jsiwek/tmp/bro/testing/btest/.tmp/core.reporter-fmt-strings/reporter-fmt-strings.bro, line 9: not an event (dont_interpret_this(%s)) error in /Users/robin/bro/master/testing/btest/.tmp/core.reporter-fmt-strings/reporter-fmt-strings.bro, line 9: not an event (dont_interpret_this(%s))

View file

@ -1 +1 @@
error in /da/home/robin/bro/seth/testing/btest/.tmp/core.reporter-parse-error/reporter-parse-error.bro, line 7: unknown identifier TESTFAILURE, at or near "TESTFAILURE" error in /Users/robin/bro/master/testing/btest/.tmp/core.reporter-parse-error/reporter-parse-error.bro, line 7: unknown identifier TESTFAILURE, at or near "TESTFAILURE"

View file

@ -1 +1 @@
error in /Users/seth/bro.git9/testing/btest/.tmp/core.reporter-runtime-error/reporter-runtime-error.bro, line 12: no such index (a[1]) error in /Users/robin/bro/master/testing/btest/.tmp/core.reporter-runtime-error/reporter-runtime-error.bro, line 12: no such index (a[1])

View file

@ -1,3 +1,3 @@
error in string and /da/home/robin/bro/seth/testing/btest/.tmp/core.reporter-type-mismatch/reporter-type-mismatch.bro, line 11: arithmetic mixed with non-arithmetic (string and 42) error in string and /Users/robin/bro/master/testing/btest/.tmp/core.reporter-type-mismatch/reporter-type-mismatch.bro, line 11: arithmetic mixed with non-arithmetic (string and 42)
error in /da/home/robin/bro/seth/testing/btest/.tmp/core.reporter-type-mismatch/reporter-type-mismatch.bro, line 11 and string: type mismatch (42 and string) error in /Users/robin/bro/master/testing/btest/.tmp/core.reporter-type-mismatch/reporter-type-mismatch.bro, line 11 and string: type mismatch (42 and string)
error in /da/home/robin/bro/seth/testing/btest/.tmp/core.reporter-type-mismatch/reporter-type-mismatch.bro, line 11: argument type mismatch in event invocation (foo(42)) error in /Users/robin/bro/master/testing/btest/.tmp/core.reporter-type-mismatch/reporter-type-mismatch.bro, line 11: argument type mismatch in event invocation (foo(42))

View file

@ -1,6 +1,6 @@
reporter_info|init test-info|/da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 8|0.000000 reporter_info|init test-info|/Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 8|0.000000
reporter_warning|init test-warning|/da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 9|0.000000 reporter_warning|init test-warning|/Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 9|0.000000
reporter_error|init test-error|/da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 10|0.000000 reporter_error|init test-error|/Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 10|0.000000
reporter_info|done test-info|/da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 15|0.000000 reporter_info|done test-info|/Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 15|0.000000
reporter_warning|done test-warning|/da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 16|0.000000 reporter_warning|done test-warning|/Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 16|0.000000
reporter_error|done test-error|/da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 17|0.000000 reporter_error|done test-error|/Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 17|0.000000

View file

@ -1,3 +1,3 @@
/da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 52: pre test-info /Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 52: pre test-info
warning in /da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 53: pre test-warning warning in /Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 53: pre test-warning
error in /da/home/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 54: pre test-error error in /Users/robin/bro/master/testing/btest/.tmp/core.reporter/reporter.bro, line 54: pre test-error

View file

@ -1,4 +1,7 @@
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path conn #path conn
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service duration orig_bytes resp_bytes conn_state local_orig missed_bytes history orig_pkts orig_ip_bytes resp_pkts resp_ip_bytes #fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service duration orig_bytes resp_bytes conn_state local_orig missed_bytes history orig_pkts orig_ip_bytes resp_pkts resp_ip_bytes
#types time string addr port addr port enum string interval count count string bool count string count count count count #types time string addr port addr port enum string interval count count string bool count string count count count count

View file

@ -1,4 +1,7 @@
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path loaded_scripts #path loaded_scripts
#fields name #fields name
#types string #types string

View file

@ -1,4 +1,7 @@
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path loaded_scripts #path loaded_scripts
#fields name #fields name
#types string #types string

View file

@ -7,8 +7,8 @@ example.bro
Overview Overview
-------- --------
This is an example script that demonstrates how to document. Comments This is an example script that demonstrates documentation features.
of the form ``##!`` are for the script summary. The contents of Comments of the form ``##!`` are for the script summary. The contents of
these comments are transferred directly into the auto-generated these comments are transferred directly into the auto-generated
`reStructuredText <http://docutils.sourceforge.net/rst.html>`_ `reStructuredText <http://docutils.sourceforge.net/rst.html>`_
(reST) document's summary section. (reST) document's summary section.
@ -34,7 +34,7 @@ Options
============================================================================ ====================================== ============================================================================ ======================================
:bro:id:`Example::an_option`: :bro:type:`set` :bro:attr:`&redef` add documentation for "an_option" here :bro:id:`Example::an_option`: :bro:type:`set` :bro:attr:`&redef` add documentation for "an_option" here
:bro:id:`Example::option_with_init`: :bro:type:`interval` :bro:attr:`&redef` :bro:id:`Example::option_with_init`: :bro:type:`interval` :bro:attr:`&redef` More docs can be added here.
============================================================================ ====================================== ============================================================================ ======================================
State Variables State Variables
@ -128,6 +128,8 @@ Options
:Attributes: :bro:attr:`&redef` :Attributes: :bro:attr:`&redef`
:Default: ``10.0 msecs`` :Default: ``10.0 msecs``
More docs can be added here.
State Variables State Variables
~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~
.. bro:id:: Example::a_var .. bro:id:: Example::a_var
@ -217,6 +219,7 @@ Events
Summarize "an_event" here. Summarize "an_event" here.
Give more details about "an_event" here. Give more details about "an_event" here.
Example::an_event should not be confused as a parameter.
:param name: describe the argument here :param name: describe the argument here
@ -281,7 +284,7 @@ Redefinitions
Port Analysis Port Analysis
------------- -------------
:ref:`More Information <common_port_analysis_doc>` Loading this script makes the following changes to :bro:see:`dpd_config`.
SSL:: SSL::
@ -292,7 +295,7 @@ SSL::
Packet Filter Packet Filter
------------- -------------
:ref:`More Information <common_packet_filter_doc>` Loading this script makes the following changes to :bro:see:`capture_filters`.
Filters added:: Filters added::

View file

@ -1,3 +1,3 @@
ping received, seq 0, 1303093042.542125 at src, 1303093042.583423 at dest, ping received, seq 0, 1324314397.698781 at src, 1324314397.699240 at dest,
ping received, seq 1, 1303093043.543167 at src, 1303093043.544026 at dest, ping received, seq 1, 1324314398.698905 at src, 1324314398.699094 at dest,
ping received, seq 2, 1303093044.544115 at src, 1303093044.545008 at dest, ping received, seq 2, 1324314399.699012 at src, 1324314399.699231 at dest,

View file

@ -1,5 +1,8 @@
#separator \x09 #separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path http #path http
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p trans_depth method host uri referrer user_agent request_body_len response_body_len status_code status_msg info_code info_msg filename tags username password proxied mime_type md5 extraction_file #fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p trans_depth method host uri referrer user_agent request_body_len response_body_len status_code status_msg info_code info_msg filename tags username password proxied mime_type md5 extraction_file
#types time string addr port addr port count string string string string string count count count string count string string table string string table string string file #types time string addr port addr port count string string string string string count count count string count string string table[enum] string string table[string] string string file
1319568535.914761 arKYeMETxOg 141.42.64.125 56730 125.190.109.199 80 1 GET www.icir.org / - Wget/1.10 0 9130 200 OK - - - - - - - text/html - - 1324314406.995958 arKYeMETxOg 141.42.64.125 56730 125.190.109.199 80 1 GET www.icir.org / - Wget/1.10 0 9130 200 OK - - - (empty) - - - text/html - -

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