Added an helper function to create .ssh directory inside home

Signed-off-by: GLVS Kiriti <[email protected]>

events/syscall/read_ssh_information.go

@@ -31,24 +31,13 @@ var _ = events.Register(
 )
 
 func ReadSshInformation(h events.Helper) error {
-	// Creates temporary data for testing.
-	var (
-		directoryname string
-		err           error
-	)
-	// Loop until a unique temporary directory is successfully created
-	for {
-		if directoryname, err = os.MkdirTemp("/home", "falco-event-generator-"); err == nil {
-			break
-		}
-	}
-	defer os.RemoveAll(directoryname)
-
-	// Create the SSH directory
-	sshDir := filepath.Join(directoryname, ".ssh")
-	if err := os.Mkdir(sshDir, 0755); err != nil {
+	// Also creates .ssh directory inside tempDirectory
+	tempDirectoryName, err := CreateSshDirectoryUnderHome()
+	if err != nil {
 		return err
 	}
+	sshDir := filepath.Join(tempDirectoryName, ".ssh")
+	defer os.RemoveAll(tempDirectoryName)
 
 	// Create known_hosts file. os.Create is enough to trigger the rule
 	filename := filepath.Join(sshDir, "known_hosts")

events/syscall/utils_linux.go

@@ -18,8 +18,10 @@ limitations under the License.
 package syscall
 
 import (
+	"os"
 	"os/exec"
 	"os/user"
+	"path/filepath"
 	"strconv"
 	sys "syscall"
 
@@ -91,3 +93,26 @@ func runAsUser(h events.Helper, username string, cmdName string, cmdArgs ...stri
 	}
 	return cmd.Run()
 }
+
+// Creates a temp directory and .ssh directory inside it.
+func CreateSshDirectoryUnderHome() (string, error) {
+	// Creates temporary data for testing.
+	var (
+		tempDirectoryName string
+		err               error
+	)
+	// Loop until a unique temporary directory is successfully created
+	for {
+		if tempDirectoryName, err = os.MkdirTemp("/home", "falco-event-generator-"); err == nil {
+			break
+		}
+	}
+
+	// Create the SSH directory
+	sshDir := filepath.Join(tempDirectoryName, ".ssh")
+	if err := os.Mkdir(sshDir, 0755); err != nil {
+		return "", err
+	}
+
+	return tempDirectoryName, nil
+}