Merge remote-tracking branch 'origin/master' into topic/johanna/netcontrol-improvements

This commit is contained in:
Johanna Amann 2016-05-19 16:17:07 -07:00
commit 52d694f3bd
175 changed files with 1745 additions and 696 deletions

View file

@ -270,6 +270,8 @@ export {
module Broker;
@ifdef ( Broker::__enable )
function enable(flags: EndpointFlags &default = EndpointFlags()) : bool
{
return __enable(flags);
@ -370,3 +372,4 @@ function unsubscribe_to_logs(topic_prefix: string): bool
return __unsubscribe_to_logs(topic_prefix);
}
@endif

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@ -57,6 +57,8 @@ export {
rocksdb: RocksDBOptions &default = RocksDBOptions();
};
@ifdef ( Broker::__enable )
## Create a master data store which contains key-value pairs.
##
## id: a unique name for the data store.
@ -720,12 +722,16 @@ export {
##
## Returns: element in the collection that the iterator currently references.
global record_iterator_value: function(it: opaque of Broker::RecordIterator): Broker::Data;
@endif
}
@load base/bif/store.bif
module Broker;
@ifdef ( Broker::__enable )
function create_master(id: string, b: BackendType &default = MEMORY,
options: BackendOptions &default = BackendOptions()): opaque of Broker::Handle
{
@ -1095,3 +1101,5 @@ function record_iterator_value(it: opaque of Broker::RecordIterator): Broker::Da
{
return __record_iterator_value(it);
}
@endif

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@ -68,7 +68,7 @@ export {
## Events raised by TimeMachine instances and handled by workers.
const tm2worker_events = /EMPTY/ &redef;
## Events sent by the control host (i.e. BroControl) when dynamically
## Events sent by the control host (i.e., BroControl) when dynamically
## connecting to a running instance to update settings or request data.
const control_events = Control::controller_events &redef;

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@ -23,20 +23,20 @@ export {
# ### Generic functions and events.
# ###
# Activates a plugin.
#
# p: The plugin to acticate.
#
# priority: The higher the priority, the earlier this plugin will be checked
# whether it supports an operation, relative to other plugins.
## Activates a plugin.
##
## p: The plugin to acticate.
##
## priority: The higher the priority, the earlier this plugin will be checked
## whether it supports an operation, relative to other plugins.
global activate: function(p: PluginState, priority: int);
# Event that is used to initialize plugins. Place all plugin initialization
# related functionality in this event.
## Event that is used to initialize plugins. Place all plugin initialization
## related functionality in this event.
global NetControl::init: event();
# Event that is raised once all plugins activated in ``NetControl::init`` have finished
# their initialization.
## Event that is raised once all plugins activated in ``NetControl::init``
## have finished their initialization.
global NetControl::init_done: event();
# ###
@ -109,21 +109,24 @@ export {
##
## r: The rule to install.
##
## Returns: If succesful, returns an ID string unique to the rule that can later
## be used to refer to it. If unsuccessful, returns an empty string. The ID is also
## assigned to ``r$id``. Note that "successful" means "a plugin knew how to handle
## the rule", it doesn't necessarily mean that it was indeed successfully put in
## place, because that might happen asynchronously and thus fail only later.
## Returns: If succesful, returns an ID string unique to the rule that can
## later be used to refer to it. If unsuccessful, returns an empty
## string. The ID is also assigned to ``r$id``. Note that
## "successful" means "a plugin knew how to handle the rule", it
## doesn't necessarily mean that it was indeed successfully put in
## place, because that might happen asynchronously and thus fail
## only later.
global add_rule: function(r: Rule) : string;
## Removes a rule.
##
## id: The rule to remove, specified as the ID returned by :bro:id:`add_rule` .
## id: The rule to remove, specified as the ID returned by :bro:id:`NetControl::add_rule`.
##
## Returns: True if succesful, the relevant plugin indicated that it knew how
## to handle the removal. Note that again "success" means the plugin accepted the
## removal. They might still fail to put it into effect, as that might happen
## asynchronously and thus go wrong at that point.
## Returns: True if succesful, the relevant plugin indicated that it knew
## how to handle the removal. Note that again "success" means the
## plugin accepted the removal. They might still fail to put it
## into effect, as that might happen asynchronously and thus go
## wrong at that point.
global remove_rule: function(id: string) : bool;
## Deletes a rule without removing in from the backends to which it has been
@ -180,7 +183,7 @@ export {
## r: The rule now removed.
##
## p: The state for the plugin that had the rule in place and now
## removed it.
## removed it.
##
## msg: An optional informational message by the plugin.
global rule_removed: event(r: Rule, p: PluginState, msg: string &default="");
@ -192,7 +195,7 @@ export {
## i: Additional flow information, if supported by the protocol.
##
## p: The state for the plugin that had the rule in place and now
## removed it.
## removed it.
##
## msg: An optional informational message by the plugin.
global rule_timeout: event(r: Rule, i: FlowInfo, p: PluginState);

View file

@ -6,6 +6,8 @@ module NetControl;
@load ../plugin
@load base/frameworks/broker
@ifdef ( Broker::__enable )
export {
type AclRule : record {
command: string;
@ -306,3 +308,4 @@ function create_acld(config: AcldConfig) : PluginState
return p;
}
@endif

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@ -8,6 +8,8 @@ module NetControl;
@load ../plugin
@load base/frameworks/broker
@ifdef ( Broker::__enable )
export {
type BrokerConfig: record {
## The broker topic used to send events to
@ -215,3 +217,5 @@ function create_broker(config: BrokerConfig, can_expire: bool) : PluginState
return p;
}
@endif

View file

@ -11,7 +11,7 @@ export {
## plugin simply logs the operations it receives.
##
## do_something: If true, the plugin will claim it supports all operations; if
## false, it will indicate it doesn't support any.
## false, it will indicate it doesn't support any.
global create_debug: function(do_something: bool) : PluginState;
}

View file

@ -14,7 +14,7 @@ export {
MAC, ##< Activity involving a MAC address.
};
## Type of a :bro:id:`Flow` for defining a flow.
## Type for defining a flow.
type Flow: record {
src_h: subnet &optional; ##< The source IP address/subnet.
src_p: port &optional; ##< The source port number.
@ -27,10 +27,10 @@ export {
## Type defining the enity an :bro:id:`Rule` is operating on.
type Entity: record {
ty: EntityType; ##< Type of entity.
conn: conn_id &optional; ##< Used with :bro:id:`CONNECTION` .
flow: Flow &optional; ##< Used with :bro:id:`FLOW` .
ip: subnet &optional; ##< Used with bro:id:`ADDRESS`; can specifiy a CIDR subnet.
mac: string &optional; ##< Used with :bro:id:`MAC`.
conn: conn_id &optional; ##< Used with :bro:enum:`NetControl::CONNECTION`.
flow: Flow &optional; ##< Used with :bro:enum:`NetControl::FLOW`.
ip: subnet &optional; ##< Used with :bro:enum:`NetControl::ADDRESS` to specifiy a CIDR subnet.
mac: string &optional; ##< Used with :bro:enum:`NetControl::MAC`.
};
## Target of :bro:id:`Rule` action.
@ -68,7 +68,7 @@ export {
WHITELIST,
};
## Type of a :bro:id:`FlowMod` for defining a flow modification action.
## Type for defining a flow modification action.
type FlowMod: record {
src_h: addr &optional; ##< The source IP address.
src_p: count &optional; ##< The source port number.
@ -90,8 +90,8 @@ export {
priority: int &default=default_priority; ##< Priority if multiple rules match an entity (larger value is higher priority).
location: string &optional; ##< Optional string describing where/what installed the rule.
out_port: count &optional; ##< Argument for bro:id:`REDIRECT` rules.
mod: FlowMod &optional; ##< Argument for :bro:id:`MODIFY` rules.
out_port: count &optional; ##< Argument for :bro:enum:`NetControl::REDIRECT` rules.
mod: FlowMod &optional; ##< Argument for :bro:enum:`NetControl::MODIFY` rules.
id: string &default=""; ##< Internally determined unique ID for this rule. Will be set when added.
cid: count &default=0; ##< Internally determined unique numeric ID for this rule. Set when added.

View file

@ -44,6 +44,7 @@ export {
ACTION_ALARM,
};
## Type that represents a set of actions.
type ActionSet: set[Notice::Action];
## The notice framework is able to do automatic notice suppression by
@ -52,6 +53,7 @@ export {
## suppression.
const default_suppression_interval = 1hrs &redef;
## The record type that is used for representing and logging notices.
type Info: record {
## An absolute time indicating when the notice occurred,
## defaults to the current network time.

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@ -5,6 +5,8 @@
module OpenFlow;
@ifdef ( Broker::__enable )
export {
redef enum Plugin += {
BROKER,
@ -93,3 +95,4 @@ function broker_new(name: string, host: addr, host_port: port, topic: string, dp
return c;
}
@endif

View file

@ -18,7 +18,7 @@ export {
event net_stats_update(last_stat: NetStats)
{
local ns = net_stats();
local ns = get_net_stats();
local new_dropped = ns$pkts_dropped - last_stat$pkts_dropped;
if ( new_dropped > 0 )
{
@ -38,5 +38,5 @@ event bro_init()
# Since this currently only calculates packet drops, let's skip the stats
# collection if reading traces.
if ( ! reading_traces() )
schedule stats_collection_interval { net_stats_update(net_stats()) };
schedule stats_collection_interval { net_stats_update(get_net_stats()) };
}

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@ -5,7 +5,8 @@
module SumStats;
export {
## The various calculations are all defined as plugins.
## Type to represent the calculations that are available. The calculations
## are all defined as plugins.
type Calculation: enum {
PLACEHOLDER
};
@ -39,6 +40,7 @@ export {
str: string &optional;
};
## Represents a reducer.
type Reducer: record {
## Observation stream identifier for the reducer
## to attach to.
@ -56,7 +58,7 @@ export {
normalize_key: function(key: SumStats::Key): Key &optional;
};
## Value calculated for an observation stream fed into a reducer.
## Result calculated for an observation stream fed into a reducer.
## Most of the fields are added by plugins.
type ResultVal: record {
## The time when the first observation was added to
@ -71,14 +73,15 @@ export {
num: count &default=0;
};
## Type to store results for multiple reducers.
## Type to store a table of results for multiple reducers indexed by
## observation stream identifier.
type Result: table[string] of ResultVal;
## Type to store a table of sumstats results indexed by keys.
type ResultTable: table[Key] of Result;
## SumStats represent an aggregation of reducers along with
## mechanisms to handle various situations like the epoch ending
## Represents a SumStat, which consists of an aggregation of reducers along
## with mechanisms to handle various situations like the epoch ending
## or thresholds being crossed.
##
## It's best to not access any global state outside
@ -101,21 +104,28 @@ export {
## The reducers for the SumStat.
reducers: set[Reducer];
## Provide a function to calculate a value from the
## :bro:see:`SumStats::Result` structure which will be used
## for thresholding.
## This is required if a *threshold* value is given.
## A function that will be called once for each observation in order
## to calculate a value from the :bro:see:`SumStats::Result` structure
## which will be used for thresholding.
## This function is required if a *threshold* value or
## a *threshold_series* is given.
threshold_val: function(key: SumStats::Key, result: SumStats::Result): double &optional;
## The threshold value for calling the
## *threshold_crossed* callback.
## The threshold value for calling the *threshold_crossed* callback.
## If you need more than one threshold value, then use
## *threshold_series* instead.
threshold: double &optional;
## A series of thresholds for calling the
## *threshold_crossed* callback.
## A series of thresholds for calling the *threshold_crossed*
## callback. These thresholds must be listed in ascending order,
## because a threshold is not checked until the preceding one has
## been crossed.
threshold_series: vector of double &optional;
## A callback that is called when a threshold is crossed.
## A threshold is crossed when the value returned from *threshold_val*
## is greater than or equal to the threshold value, but only the first
## time this happens within an epoch.
threshold_crossed: function(key: SumStats::Key, result: SumStats::Result) &optional;
## A callback that receives each of the results at the
@ -130,6 +140,8 @@ export {
};
## Create a summary statistic.
##
## ss: The SumStat to create.
global create: function(ss: SumStats::SumStat);
## Add data into an observation stream. This should be

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@ -1,3 +1,5 @@
##! Calculate the average.
@load ../main
module SumStats;
@ -9,7 +11,7 @@ export {
};
redef record ResultVal += {
## For numeric data, this calculates the average of all values.
## For numeric data, this is the average of all values.
average: double &optional;
};
}

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@ -1,3 +1,5 @@
##! Calculate the number of unique values (using the HyperLogLog algorithm).
@load base/frameworks/sumstats
module SumStats;

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@ -1,3 +1,5 @@
##! Keep the last X observations.
@load base/frameworks/sumstats
@load base/utils/queue

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@ -1,3 +1,5 @@
##! Find the maximum value.
@load ../main
module SumStats;
@ -9,7 +11,7 @@ export {
};
redef record ResultVal += {
## For numeric data, this tracks the maximum value given.
## For numeric data, this tracks the maximum value.
max: double &optional;
};
}

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@ -1,3 +1,5 @@
##! Find the minimum value.
@load ../main
module SumStats;
@ -9,7 +11,7 @@ export {
};
redef record ResultVal += {
## For numeric data, this tracks the minimum value given.
## For numeric data, this tracks the minimum value.
min: double &optional;
};
}

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@ -1,3 +1,5 @@
##! Keep a random sample of values.
@load base/frameworks/sumstats/main
module SumStats;
@ -10,7 +12,7 @@ export {
};
redef record Reducer += {
## A number of sample Observations to collect.
## The number of sample Observations to collect.
num_samples: count &default=0;
};

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@ -1,3 +1,5 @@
##! Calculate the standard deviation.
@load ./variance
@load ../main
@ -5,7 +7,7 @@ module SumStats;
export {
redef enum Calculation += {
## Find the standard deviation of the values.
## Calculate the standard deviation of the values.
STD_DEV
};

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@ -1,11 +1,13 @@
##! Calculate the sum.
@load ../main
module SumStats;
export {
redef enum Calculation += {
## Sums the values given. For string values,
## this will be the number of strings given.
## Calculate the sum of the values. For string values,
## this will be the number of strings.
SUM
};

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@ -1,3 +1,5 @@
##! Keep the top-k (i.e., most frequently occurring) observations.
@load base/frameworks/sumstats
module SumStats;
@ -9,10 +11,13 @@ export {
};
redef enum Calculation += {
## Keep a top-k list of values.
TOPK
};
redef record ResultVal += {
## A handle which can be passed to some built-in functions to get
## the top-k results.
topk: opaque of topk &optional;
};

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@ -1,10 +1,12 @@
##! Calculate the number of unique values.
@load ../main
module SumStats;
export {
redef record Reducer += {
## Maximum number of unique elements to store.
## Maximum number of unique values to store.
unique_max: count &optional;
};
@ -15,7 +17,7 @@ export {
redef record ResultVal += {
## If cardinality is being tracked, the number of unique
## items is tracked here.
## values is tracked here.
unique: count &default=0;
};
}

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@ -1,3 +1,5 @@
##! Calculate the variance.
@load ./average
@load ../main
@ -5,12 +7,12 @@ module SumStats;
export {
redef enum Calculation += {
## Find the variance of the values.
## Calculate the variance of the values.
VARIANCE
};
redef record ResultVal += {
## For numeric data, this calculates the variance.
## For numeric data, this is the variance.
variance: double &optional;
};
}