Files
2021-12-31 10:21:41 -06:00

126 lines
3.5 KiB
Go

package extensions
/*
Sliver Implant Framework
Copyright (C) 2021 Bishop Fox
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 <https://www.gnu.org/licenses/>.
*/
import (
"encoding/json"
"fmt"
"io/ioutil"
"strings"
"github.com/bishopfox/sliver/client/assets"
"github.com/bishopfox/sliver/client/command/settings"
"github.com/bishopfox/sliver/client/console"
"github.com/desertbit/grumble"
"github.com/jedib0t/go-pretty/v6/table"
"github.com/jedib0t/go-pretty/v6/text"
)
// ExtensionsCmd - List information about installed extensions
func ExtensionsCmd(ctx *grumble.Context, con *console.SliverConsoleClient) {
if 0 < len(getInstalledManifests()) {
PrintExtensions(con)
} else {
con.PrintInfof("No extensions installed, use the 'armory' command to automatically install some\n")
}
}
// PrintExtensions - Print a list of loaded extensions
func PrintExtensions(con *console.SliverConsoleClient) {
tw := table.NewWriter()
tw.SetStyle(settings.GetTableStyle(con))
tw.AppendHeader(table.Row{
"Name",
"Command Name",
"Platforms",
"Version",
"Installed",
"Extension Author",
"Original Author",
"Repository",
})
tw.SortBy([]table.SortBy{
{Name: "Name", Mode: table.Asc},
})
tw.SetColumnConfigs([]table.ColumnConfig{
{Number: 5, Align: text.AlignCenter},
})
installedManifests := getInstalledManifests()
for _, extension := range loadedExtensions {
installed := ""
if _, ok := installedManifests[extension.CommandName]; ok {
installed = "✅"
}
tw.AppendRow(table.Row{
extension.Name,
extension.CommandName,
strings.Join(extensionPlatforms(extension), ",\n"),
extension.Version,
installed,
extension.ExtensionAuthor,
extension.OriginalAuthor,
extension.RepoURL,
})
}
con.Println(tw.Render())
}
func extensionPlatforms(extension *ExtensionManifest) []string {
platforms := map[string]string{}
for _, entry := range extension.Files {
platforms[fmt.Sprintf("%s/%s", entry.OS, entry.Arch)] = ""
}
keys := []string{}
for key := range platforms {
keys = append(keys, key)
}
return keys
}
func getInstalledManifests() map[string]*ExtensionManifest {
manifestPaths := assets.GetInstalledExtensionManifests()
installedManifests := map[string]*ExtensionManifest{}
for _, manifestPath := range manifestPaths {
data, err := ioutil.ReadFile(manifestPath)
if err != nil {
continue
}
manifest := &ExtensionManifest{}
err = json.Unmarshal(data, manifest)
if err != nil {
continue
}
installedManifests[manifest.CommandName] = manifest
}
return installedManifests
}
// ExtensionsCommandNameCompleter - Completer for installed extensions command names
func ExtensionsCommandNameCompleter(prefix string, args []string, con *console.SliverConsoleClient) []string {
installedManifests := getInstalledManifests()
results := []string{}
for _, manifest := range installedManifests {
if strings.HasPrefix(manifest.CommandName, prefix) {
results = append(results, manifest.CommandName)
}
}
return results
}