Merge pull request #21 from TieWay59/fix-test-ssh

Fix:  not enough arguments in call to connect

README.MD

@@ -49,6 +49,8 @@ Usage of ./multissh:
   -j	print output in json format
   -k string
     	ssh private key
+  -keyexchanges string
+    	keyexchanges
   -l	In linux mode,multi command combine with && ,such as date&&cd /opt&&ls
   -n int
     	max execute number (default 20)
@@ -82,8 +84,7 @@ show clock
 **ssh.json 示例**
 ```
 {
-    "SshHosts": [
-        {
+	"SshHosts": [{
 			"Host": "192.168.31.51",
 			"Port": 22,
 			"Username": "admin",
@@ -99,7 +100,12 @@ show clock
 			"linuxMode": true,
 			"CmdFile": "cmd2.txt.example"
 		}
-    ]
+	],
+	"Global": {
+		"Ciphers": "aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc",
+		"KeyExchanges": "diffie-hellman-group1-sha1,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1"
+	}
+
 }
 ```
 

funcs/ssh_test.go

@@ -16,9 +16,13 @@ const (
 	key      = "../server.key"
 )
 
+// Tests the SSH functionality of the package.
+//
+// It requires manual input of the local SSH private key path into the key
+// variable, and the remote address into the ip variable.
 func Test_SSH(t *testing.T) {
 	var cipherList []string
-	session, err := connect(username, password, ip, key, port, cipherList)
+	session, err := connect(username, password, ip, key, port, cipherList, nil)
 	if err != nil {
 		t.Error(err)
 		return

funcs/sshconnect.go

@@ -14,7 +14,7 @@ import (
 	"golang.org/x/crypto/ssh"
 )
 
-func connect(user, password, host, key string, port int, cipherList []string) (*ssh.Session, error) {
+func connect(user, password, host, key string, port int, cipherList, keyExchangeList []string) (*ssh.Session, error) {
 	var (
 		auth         []ssh.AuthMethod
 		addr         string
@@ -45,16 +45,16 @@ func connect(user, password, host, key string, port int, cipherList []string) (*
 		}
 		auth = append(auth, ssh.PublicKeys(signer))
 	}
-
 	if len(cipherList) == 0 {
-		config = ssh.Config{
-			Ciphers:      []string{"aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "aes192-cbc", "aes256-cbc"},
-			KeyExchanges: []string{"diffie-hellman-group-exchange-sha1", "diffie-hellman-group1-sha1", "diffie-hellman-group-exchange-sha256"},
-		}
+		config.Ciphers = []string{"aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "aes192-cbc", "aes256-cbc"}
 	} else {
-		config = ssh.Config{
-			Ciphers: cipherList,
+		config.Ciphers = cipherList
 	}
+
+	if len(keyExchangeList) == 0 {
+		config.KeyExchanges = []string{"diffie-hellman-group-exchange-sha1", "diffie-hellman-group1-sha1", "diffie-hellman-group-exchange-sha256"}
+	} else {
+		config.KeyExchanges = keyExchangeList
 	}
 
 	clientConfig = &ssh.ClientConfig{
@@ -92,12 +92,12 @@ func connect(user, password, host, key string, port int, cipherList []string) (*
 	return session, nil
 }
 
-func Dossh(username, password, host, key string, cmdlist []string, port, timeout int, cipherList []string, linuxMode bool, ch chan g.SSHResult) {
+func Dossh(username, password, host, key string, cmdlist []string, port, timeout int, cipherList, keyExchangeList []string, linuxMode bool, ch chan g.SSHResult) {
 	chSSH := make(chan g.SSHResult)
 	if linuxMode {
-		go dossh_run(username, password, host, key, cmdlist, port, cipherList, chSSH)
+		go dossh_run(username, password, host, key, cmdlist, port, cipherList, keyExchangeList, chSSH)
 	} else {
-		go dossh_session(username, password, host, key, cmdlist, port, cipherList, chSSH)
+		go dossh_session(username, password, host, key, cmdlist, port, cipherList, keyExchangeList, chSSH)
 	}
 	var res g.SSHResult
 
@@ -113,8 +113,8 @@ func Dossh(username, password, host, key string, cmdlist []string, port, timeout
 	return
 }
 
-func dossh_session(username, password, host, key string, cmdlist []string, port int, cipherList []string, ch chan g.SSHResult) {
-	session, err := connect(username, password, host, key, port, cipherList)
+func dossh_session(username, password, host, key string, cmdlist []string, port int, cipherList, keyExchangeList []string, ch chan g.SSHResult) {
+	session, err := connect(username, password, host, key, port, cipherList, keyExchangeList)
 	var sshResult g.SSHResult
 	sshResult.Host = host
 
@@ -159,8 +159,8 @@ func dossh_session(username, password, host, key string, cmdlist []string, port
 	return
 }
 
-func dossh_run(username, password, host, key string, cmdlist []string, port int, cipherList []string, ch chan g.SSHResult) {
-	session, err := connect(username, password, host, key, port, cipherList)
+func dossh_run(username, password, host, key string, cmdlist []string, port int, cipherList, keyExchangeList []string, ch chan g.SSHResult) {
+	session, err := connect(username, password, host, key, port, cipherList, keyExchangeList)
 	var sshResult g.SSHResult
 	sshResult.Host = host
 

g/cfg.go

@@ -27,6 +27,12 @@ type SSHHost struct {
 
 type HostJson struct {
 	SshHosts []SSHHost
+	Global   GlobalConfig
+}
+
+type GlobalConfig struct {
+	Ciphers      string
+	KeyExchanges string
 }
 
 type SSHResult struct {
@@ -36,6 +42,9 @@ type SSHResult struct {
 }
 
 func SplitString(str string) (strList []string) {
+	if str == "" {
+		return
+	}
 	if strings.Contains(str, ",") {
 		strList = strings.Split(str, ",")
 	} else {
@@ -72,20 +81,18 @@ func Getfile(filePath string) ([]string, error) {
 }
 
 //gu
-func GetJsonFile(filePath string) ([]SSHHost, error) {
-	result := []SSHHost{}
+func GetJsonFile(filePath string) (HostJson, error) {
+	var result HostJson
 	b, err := ioutil.ReadFile(filePath)
 	if err != nil {
 		log.Println("read file ", filePath, err)
 		return result, err
 	}
-	var m HostJson
-	err = json.Unmarshal(b, &m)
+	err = json.Unmarshal(b, &result)
 	if err != nil {
 		log.Println("read file ", filePath, err)
 		return result, err
 	}
-	result = m.SshHosts
 	return result, nil
 }
 func WriteIntoTxt(sshResult SSHResult, locate string) error {

g/const.go

@@ -9,5 +9,5 @@ package g
 // json Unmarshal with error
 // 0.2.3
 const (
-	VERSION = "0.3.0"
+	VERSION = "0.4.0"
 )

main.go

@@ -23,6 +23,7 @@ func main() {
 	key := flag.String("k", "", "ssh private key")
 	port := flag.Int("port", 22, "ssh port")
 	ciphers := flag.String("ciphers", "", "ciphers")
+	keyExchanges := flag.String("keyexchanges", "", "keyexchanges")
 	cmdFile := flag.String("cmdfile", "", "cmdfile path")
 	hostFile := flag.String("hostfile", "", "hostfile path")
 	ipFile := flag.String("ipfile", "", "ipfile path")
@@ -36,7 +37,7 @@ func main() {
 
 	flag.Parse()
 
-	var cmdList, hostList, cipherList []string
+	var cmdList, hostList, cipherList, keyExchangeList []string
 	var err error
 
 	sshHosts := []g.SSHHost{}
@@ -88,6 +89,9 @@ func main() {
 	if *ciphers != "" {
 		cipherList = g.SplitString(*ciphers)
 	}
+	if *keyExchanges != "" {
+		keyExchangeList = g.SplitString(*keyExchanges)
+	}
 	if *cfgFile == "" {
 		for _, host := range hostList {
 			host_Struct.Host = host
@@ -100,11 +104,14 @@ func main() {
 			sshHosts = append(sshHosts, host_Struct)
 		}
 	} else {
-		sshHosts, err = g.GetJsonFile(*cfgFile)
+		sshHostConfig, err := g.GetJsonFile(*cfgFile)
 		if err != nil {
 			log.Println("load cfgFile error: ", err)
 			return
 		}
+		cipherList = g.SplitString(sshHostConfig.Global.Ciphers)
+		keyExchangeList = g.SplitString(sshHostConfig.Global.KeyExchanges)
+		sshHosts = sshHostConfig.SshHosts
 		for i := 0; i < len(sshHosts); i++ {
 			if sshHosts[i].Cmds != "" {
 				sshHosts[i].CmdList = g.SplitString(sshHosts[i].Cmds)
@@ -124,7 +131,7 @@ func main() {
 	startTime := time.Now()
 	log.Println("Multissh start")
 	limitFunc := func(chLimit chan bool, ch chan g.SSHResult, host g.SSHHost) {
-		funcs.Dossh(host.Username, host.Password, host.Host, host.Key, host.CmdList, host.Port, *timeLimit, cipherList, host.LinuxMode, ch)
+		funcs.Dossh(host.Username, host.Password, host.Host, host.Key, host.CmdList, host.Port, *timeLimit, cipherList, keyExchangeList, host.LinuxMode, ch)
 		<-chLimit
 	}
 	for i, host := range sshHosts {

ssh.json.example

@@ -1,6 +1,5 @@
 {
-    "SshHosts": [
-        {
+	"SshHosts": [{
 			"Host": "192.168.31.51",
 			"Port": 22,
 			"Username": "admin",
@@ -16,5 +15,10 @@
 			"linuxMode": true,
 			"CmdFile": "cmd2.txt.example"
 		}
-    ]
+	],
+	"Global": {
+		"Ciphers": "aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc",
+		"KeyExchanges": "diffie-hellman-group1-sha1,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1"
+	}
+
 }