chore(ssh-server): update ssh banner

go.mod

@@ -24,7 +24,7 @@ require (
 	github.com/creasty/defaults v1.7.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.4 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.5 // indirect
 	github.com/glebarez/go-sqlite v1.22.0 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
@@ -64,7 +64,7 @@ require (
 	gorm.io/datatypes v1.2.1 // indirect
 	gorm.io/driver/mysql v1.5.7 // indirect
 	gorm.io/hints v1.1.2 // indirect
-	modernc.org/libc v1.55.3 // indirect
+	modernc.org/libc v1.55.4 // indirect
 	modernc.org/mathutil v1.6.0 // indirect
 	modernc.org/memory v1.8.0 // indirect
 	modernc.org/sqlite v1.31.1 // indirect

go.sum

@@ -12,8 +12,8 @@ github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkp
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
-github.com/gabriel-vasile/mimetype v1.4.4 h1:QjV6pZ7/XZ7ryI2KuyeEDE8wnh7fHP9YnQy+R0LnH8I=
-github.com/gabriel-vasile/mimetype v1.4.4/go.mod h1:JwLei5XPtWdGiMFB5Pjle1oEeoSeEuJfJE+TtfvdB/s=
+github.com/gabriel-vasile/mimetype v1.4.5 h1:J7wGKdGu33ocBOhGy0z653k/lFKLFDPJMG8Gql0kxn4=
+github.com/gabriel-vasile/mimetype v1.4.5/go.mod h1:ibHel+/kbxn9x2407k1izTA1S81ku1z/DlgOW2QE0M4=
 github.com/git-lfs/wildmatch v1.0.4 h1:Mj6LPnNZ6QSHLAAPDCH596pu6A/Z1xVm2Vk0+s3CtkY=
 github.com/git-lfs/wildmatch v1.0.4/go.mod h1:SdHAGnApDpnFYQ0vAxbniWR0sn7yLJ3QXo9RRfhn2ew=
 github.com/glebarez/go-sqlite v1.22.0 h1:uAcMJhaA6r3LHMTFgP0SifzgXg46yJkgxqyuyec+ruQ=
@@ -171,14 +171,14 @@ gorm.io/plugin/dbresolver v1.5.2 h1:Iut7lW4TXNoVs++I+ra3zxjSxTRj4ocIeFEVp4lLhII=
 gorm.io/plugin/dbresolver v1.5.2/go.mod h1:jPh59GOQbO7v7v28ZKZPd45tr+u3vyT+8tHdfdfOWcU=
 modernc.org/cc/v4 v4.21.4 h1:3Be/Rdo1fpr8GrQ7IVw9OHtplU4gWbb+wNgeoBMmGLQ=
 modernc.org/cc/v4 v4.21.4/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ=
-modernc.org/ccgo/v4 v4.19.2 h1:lwQZgvboKD0jBwdaeVCTouxhxAyN6iawF3STraAal8Y=
-modernc.org/ccgo/v4 v4.19.2/go.mod h1:ysS3mxiMV38XGRTTcgo0DQTeTmAO4oCmJl1nX9VFI3s=
+modernc.org/ccgo/v4 v4.20.4 h1:3pPOlMcblnu5CBU3w1BFtepwBnLezGjPYTH8xBeYZM8=
+modernc.org/ccgo/v4 v4.20.4/go.mod h1:meYiLeaGpKQmHBw8roW4DXLkDvusG+MD7LJ/kYyAouU=
 modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
 modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
-modernc.org/gc/v2 v2.4.1 h1:9cNzOqPyMJBvrUipmynX0ZohMhcxPtMccYgGOJdOiBw=
-modernc.org/gc/v2 v2.4.1/go.mod h1:wzN5dK1AzVGoH6XOzc3YZ+ey/jPgYHLuVckd62P0GYU=
-modernc.org/libc v1.55.3 h1:AzcW1mhlPNrRtjS5sS+eW2ISCgSOLLNyFzRh/V3Qj/U=
-modernc.org/libc v1.55.3/go.mod h1:qFXepLhz+JjFThQ4kzwzOjA/y/artDeg+pcYnY+Q83w=
+modernc.org/gc/v2 v2.4.3 h1:Ik4ZcMbC7aY4ZDPUhzXVXi7GMub9QcXLTfXn3mWpNw8=
+modernc.org/gc/v2 v2.4.3/go.mod h1:wzN5dK1AzVGoH6XOzc3YZ+ey/jPgYHLuVckd62P0GYU=
+modernc.org/libc v1.55.4 h1:iWzZ96v1Iut2Sm4lEp0yzFde20M9zpcI0wY3DFcb+8g=
+modernc.org/libc v1.55.4/go.mod h1:GPuVtbWvXUo590z/xfVIQcOqnugb1WovSfMJWMe0ZfA=
 modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
 modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
 modernc.org/memory v1.8.0 h1:IqGTL6eFMaDZZhEWwcREgeMXYwmW83LYW8cROZYkg+E=

ssh.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/hex"
 	"errors"
+	"fmt"
 	"io"
 	"net"
 	"strings"
@@ -175,7 +176,12 @@ func (s *SSHServer) PublicKeyCallback(conn ssh.ConnMetadata, _key ssh.PublicKey)
 }
 
 func (s *SSHServer) BannerCallback(conn ssh.ConnMetadata) string {
-	return "[bunker] welcome " + conn.User() + " from " + conn.RemoteAddr().String() + ", session: " + hex.EncodeToString(conn.SessionID())
+	return fmt.Sprintf(
+		"bunker: welcome user %s from %s, session: %s\n",
+		conn.User(),
+		conn.RemoteAddr().String(),
+		hex.EncodeToString(conn.SessionID()),
+	)
 }
 
 func (s *SSHServer) createServerConfig() *ssh.ServerConfig {