delete all duplicate empty blanks (#542)

falco-CLA-1.0-signed-off-by: Xiang Dai <764524258@qq.com>

GOVERNANCE

@@ -22,11 +22,11 @@
 * Triage GitHub issues and perform pull request reviews for other maintainers and the community.
 * During GitHub issue triage, apply all applicable [labels](https://github.com/falcosecurity/falco/labels)
   to each new issue. Labels are extremely useful for future issue follow up. Which labels to apply
-  is somewhat subjective so just use your best judgment. 
+  is somewhat subjective so just use your best judgment.
 * Make sure that ongoing PRs are moving forward at the right pace or closing them.
-* Participate when called upon in the security releases. Note that although this should be a rare 
+* Participate when called upon in the security releases. Note that although this should be a rare
   occurrence, if a serious vulnerability is found, the process may take up to several full days of
-  work to implement. This reality should be taken into account when discussing time commitment 
+  work to implement. This reality should be taken into account when discussing time commitment
   obligations with employers.
 * In general continue to be willing to spend at least 25% of ones time working on Falco (~1.25
   business days per week).

docker/builder/entrypoint.sh

@@ -16,7 +16,7 @@ if [ ! -e $CMAKE_DIR ]; then
     cd $BUILD_DIR
     mkdir -p $BUILD_DIR/cmake
     wget -nv https://s3.amazonaws.com/download.draios.com/dependencies/cmake-3.3.2.tar.gz
-    tar -C $CMAKE_DIR --strip-components 1 -xzf cmake-3.3.2.tar.gz 
+    tar -C $CMAKE_DIR --strip-components 1 -xzf cmake-3.3.2.tar.gz
     cd $CMAKE_DIR
     ./bootstrap --system-curl
     make -j$MAKE_JOBS

examples/bad-mount-cryptomining/attacker_files/minerd

@@ -5,4 +5,3 @@ while true; do
       sleep 60
 done
 
-      

examples/bad-mount-cryptomining/demo.yml

@@ -26,8 +26,8 @@ services:
       - ${PWD}/attacker_files:/usr/share/nginx/html
       - ${PWD}/attacker-nginx.conf:/etc/nginx/conf.d/default.conf
     depends_on:
-      - "falco"      
-  
+      - "falco"
+
   falco:
     image: sysdig/falco:latest
     privileged: true

integrations/k8s-using-daemonset/README.md

@@ -1,6 +1,6 @@
 # Example Kubernetes Daemon Sets for Sysdig Falco
 
-This directory gives you the required YAML files to stand up Sysdig Falco on Kubernetes as a Daemon Set. This will result in a Falco Pod being deployed to each node, and thus the ability to monitor any running containers for abnormal behavior. 
+This directory gives you the required YAML files to stand up Sysdig Falco on Kubernetes as a Daemon Set. This will result in a Falco Pod being deployed to each node, and thus the ability to monitor any running containers for abnormal behavior.
 
 The two options are provided to deploy a Daemon Set:
 - `k8s-with-rbac` - This directory provides a definition to deploy a Daemon Set on Kubernetes with RBAC enabled.
@@ -47,7 +47,7 @@ program_output:
   program: "jq '{text: .output}' | curl -d @- -X POST https://hooks.slack.com/services/see_your_slack_team/apps_settings_for/a_webhook_url"
 ```
 
-You will also need to enable JSON output. Find the `json_output: false` setting in the `falco.yaml` file and change it to read `json_output: true`. Any custom rules for your environment can be added to into the `falco_rules.local.yaml` file and they will be picked up by Falco at start time. You can now create the ConfigMap in Kubernetes. 
+You will also need to enable JSON output. Find the `json_output: false` setting in the `falco.yaml` file and change it to read `json_output: true`. Any custom rules for your environment can be added to into the `falco_rules.local.yaml` file and they will be picked up by Falco at start time. You can now create the ConfigMap in Kubernetes.
 
 ```
 k8s-using-daemonset$ kubectl create configmap falco-config --from-file=k8s-with-rbac/falco-config
@@ -58,7 +58,7 @@ k8s-using-daemonset$
 Now that we have the requirements for our Daemon Set in place, we can create our Daemon Set.
 
 ```
-k8s-using-daemonset$ kubectl create -f k8s-with-rbac/falco-daemonset-configmap.yaml 
+k8s-using-daemonset$ kubectl create -f k8s-with-rbac/falco-daemonset-configmap.yaml
 daemonset "falco" created
 k8s-using-daemonset$
 ```
@@ -106,9 +106,9 @@ root@falco-74htl:/# exit
 k8s-using-daemonset$ kubectl logs falco-74htl
 {"output":"17:48:58.590038385: Notice A shell was spawned in a container with an attached terminal (user=root k8s.pod=falco-74htl container=a98c2aa8e670 shell=bash parent=<NA> cmdline=bash  terminal=34816)","priority":"Notice","rule":"Terminal shell in container","time":"2017-12-20T17:48:58.590038385Z", "output_fields": {"container.id":"a98c2aa8e670","evt.time":1513792138590038385,"k8s.pod.name":"falco-74htl","proc.cmdline":"bash ","proc.name":"bash","proc.pname":null,"proc.tty":34816,"user.name":"root"}}
 k8s-using-daemonset$
-``` 
+```
 
-Alternatively, you can deploy the [Falco Event Generator](https://github.com/draios/falco/wiki/Generating-Sample-Events) deployement to have events automatically generated. Please note that this Deployment will generate a large number of events. 
+Alternatively, you can deploy the [Falco Event Generator](https://github.com/draios/falco/wiki/Generating-Sample-Events) deployement to have events automatically generated. Please note that this Deployment will generate a large number of events.
 
 ```
 k8s-using-daemonset$ kubectl create -f falco-event-generator-deployment.yaml \
@@ -116,5 +116,5 @@ k8s-using-daemonset$ kubectl create -f falco-event-generator-deployment.yaml \
 && kubectl delete -f falco-event-generator-deployment.yaml
 deployment "falco-event-generator-deployment" created
 deployment "falco-event-generator-deployment" deleted
-k8s-using-daemonset$ 
+k8s-using-daemonset$
 ```

scripts/rpm/falco

@@ -26,15 +26,15 @@
 #
 
 ### BEGIN INIT INFO
-# Provides: 
-# Required-Start: 
-# Required-Stop: 
-# Should-Start: 
-# Should-Stop: 
-# Default-Start: 
-# Default-Stop: 
-# Short-Description: 
-# Description:      
+# Provides:
+# Required-Start:
+# Required-Stop:
+# Should-Start:
+# Should-Stop:
+# Default-Start:
+# Default-Stop:
+# Short-Description:
+# Description:
 ### END INIT INFO
 
 # Source function library.

test/rules/macro_order.yaml

@@ -23,7 +23,7 @@
 
 - macro: is_cat
   condition: proc.name in (cat_binaries)
-  
+
 - rule: open_from_cat
   desc: A process named cat does an open
   condition: evt.type=open and is_cat

test/run_performance_tests.sh

@@ -206,7 +206,7 @@ function run_juttle_examples() {
     docker-compose -f dc-juttle-engine.yml -f aws-cloudwatch/dc-aws-cloudwatch.yml -f elastic-newstracker/dc-elastic.yml -f github-tutorial/dc-elastic.yml -f nginx_logs/dc-nginx-logs.yml -f postgres-diskstats/dc-postgres.yml -f cadvisor-influx/dc-cadvisor-influx.yml up -d
     sleep 120
     docker-compose -f dc-juttle-engine.yml -f aws-cloudwatch/dc-aws-cloudwatch.yml -f elastic-newstracker/dc-elastic.yml -f github-tutorial/dc-elastic.yml -f nginx_logs/dc-nginx-logs.yml -f postgres-diskstats/dc-postgres.yml -f cadvisor-influx/dc-cadvisor-influx.yml stop
-    docker-compose -f dc-juttle-engine.yml -f aws-cloudwatch/dc-aws-cloudwatch.yml -f elastic-newstracker/dc-elastic.yml -f github-tutorial/dc-elastic.yml -f nginx_logs/dc-nginx-logs.yml -f postgres-diskstats/dc-postgres.yml -f cadvisor-influx/dc-cadvisor-influx.yml rm -fv    
+    docker-compose -f dc-juttle-engine.yml -f aws-cloudwatch/dc-aws-cloudwatch.yml -f elastic-newstracker/dc-elastic.yml -f github-tutorial/dc-elastic.yml -f nginx_logs/dc-nginx-logs.yml -f postgres-diskstats/dc-postgres.yml -f cadvisor-influx/dc-cadvisor-influx.yml rm -fv
     popd
 }
 

userspace/falco/falco_outputs.cpp

@@ -186,7 +186,7 @@ int falco_outputs::handle_http(lua_State *ls)
 	slist1 = NULL;
 
 	if (!lua_isstring(ls, -1) ||
-	    !lua_isstring(ls, -2)) 
+	    !lua_isstring(ls, -2))
 	{
 		lua_pushstring(ls, "Invalid arguments passed to handle_http()");
 		lua_error(ls);
@@ -196,7 +196,7 @@ int falco_outputs::handle_http(lua_State *ls)
 	string msg = (char *) lua_tostring(ls, 2);
 
 	curl = curl_easy_init();
-	if(curl) 
+	if(curl)
 	{
 		slist1 = curl_slist_append(slist1, "Content-Type: application/json");
 		curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist1);