From 3682e7292736085087613f84cbc5908bae63268b Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Mon, 7 Mar 2016 15:08:35 +0300
Subject: [PATCH] -warranty CLI option

---
 src/cypherpunks.ru/govpn/cmd/govpn-client/main.go |  6 ++++++
 src/cypherpunks.ru/govpn/cmd/govpn-server/main.go |  6 ++++++
 .../govpn/cmd/govpn-verifier/main.go              |  5 +++++
 src/cypherpunks.ru/govpn/govpn.go                 | 15 +++++++++++++++
 4 files changed, 32 insertions(+)

diff --git a/src/cypherpunks.ru/govpn/cmd/govpn-client/main.go b/src/cypherpunks.ru/govpn/cmd/govpn-client/main.go
index 032a288..58d5ce7 100644
--- a/src/cypherpunks.ru/govpn/cmd/govpn-client/main.go
+++ b/src/cypherpunks.ru/govpn/cmd/govpn-client/main.go
@@ -21,6 +21,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"net"
 	"os"
@@ -48,6 +49,7 @@ var (
 	encless     = flag.Bool("encless", false, "Encryptionless mode")
 	cpr         = flag.Int("cpr", 0, "Enable constant KiB/sec out traffic rate")
 	egdPath     = flag.String("egd", "", "Optional path to EGD socket")
+	warranty    = flag.Bool("warranty", false, "Print warranty information")
 
 	conf        *govpn.PeerConf
 	tap         *govpn.TAP
@@ -59,6 +61,10 @@ var (
 
 func main() {
 	flag.Parse()
+	if *warranty {
+		fmt.Println(govpn.Warranty)
+		return
+	}
 	timeout = *timeoutP
 	var err error
 	log.SetFlags(log.Ldate | log.Lmicroseconds | log.Lshortfile)
diff --git a/src/cypherpunks.ru/govpn/cmd/govpn-server/main.go b/src/cypherpunks.ru/govpn/cmd/govpn-server/main.go
index 5cddab8..606caf0 100644
--- a/src/cypherpunks.ru/govpn/cmd/govpn-server/main.go
+++ b/src/cypherpunks.ru/govpn/cmd/govpn-server/main.go
@@ -21,6 +21,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"net"
 	"os"
@@ -37,10 +38,15 @@ var (
 	stats    = flag.String("stats", "", "Enable stats retrieving on host:port")
 	proxy    = flag.String("proxy", "", "Enable HTTP proxy on host:port")
 	egdPath  = flag.String("egd", "", "Optional path to EGD socket")
+	warranty = flag.Bool("warranty", false, "Print warranty information")
 )
 
 func main() {
 	flag.Parse()
+	if *warranty {
+		fmt.Println(govpn.Warranty)
+		return
+	}
 	timeout := time.Second * time.Duration(govpn.TimeoutDefault)
 	log.SetFlags(log.Ldate | log.Lmicroseconds | log.Lshortfile)
 	log.Println(govpn.VersionGet())
diff --git a/src/cypherpunks.ru/govpn/cmd/govpn-verifier/main.go b/src/cypherpunks.ru/govpn/cmd/govpn-verifier/main.go
index 5d59580..bdea079 100644
--- a/src/cypherpunks.ru/govpn/cmd/govpn-verifier/main.go
+++ b/src/cypherpunks.ru/govpn/cmd/govpn-verifier/main.go
@@ -35,10 +35,15 @@ var (
 	tOpt     = flag.Int("t", govpn.DefaultT, "Argon2d iteration parameter")
 	pOpt     = flag.Int("p", govpn.DefaultP, "Argon2d parallelizm parameter")
 	egdPath  = flag.String("egd", "", "Optional path to EGD socket")
+	warranty = flag.Bool("warranty", false, "Print warranty information")
 )
 
 func main() {
 	flag.Parse()
+	if *warranty {
+		fmt.Println(govpn.Warranty)
+		return
+	}
 	if *egdPath != "" {
 		govpn.EGDInit(*egdPath)
 	}
diff --git a/src/cypherpunks.ru/govpn/govpn.go b/src/cypherpunks.ru/govpn/govpn.go
index d65e72b..49a11cc 100644
--- a/src/cypherpunks.ru/govpn/govpn.go
+++ b/src/cypherpunks.ru/govpn/govpn.go
@@ -1,2 +1,17 @@
 // Simple secure, DPI/censorship-resistant free software VPN daemon.
 package govpn
+
+const (
+	Warranty = `This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.`
+)
-- 
2.44.0