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Merge pull request #1596 from precurse-bf/mount_linux_rebase
Adding mount command for Windows and Linux
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| /* | ||
| Sliver Implant Framework | ||
| Copyright (C) 2024 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/>. | ||
| */ | ||
|
|
||
| package filesystem | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "math" | ||
|
|
||
| "google.golang.org/protobuf/proto" | ||
|
|
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| "github.com/jedib0t/go-pretty/v6/table" | ||
| "github.com/spf13/cobra" | ||
|
|
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| "github.com/bishopfox/sliver/client/command/settings" | ||
| "github.com/bishopfox/sliver/client/console" | ||
| "github.com/bishopfox/sliver/protobuf/clientpb" | ||
| "github.com/bishopfox/sliver/protobuf/sliverpb" | ||
| ) | ||
|
|
||
| // Drive mappings for Windows | ||
| var driveTypeMap = map[string]string{ | ||
| "0": "Unknown", | ||
| "1": "Root Path invalid (no volume mounted for path)", | ||
| "2": "Removable", | ||
| "3": "Fixed disk", | ||
| "4": "Remote / network drive", | ||
| "5": "CD-ROM", | ||
| "6": "RAM disk", | ||
| } | ||
|
|
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| // MountCmd - Print information about mounted filesystems | ||
| func MountCmd(cmd *cobra.Command, con *console.SliverClient, args []string) { | ||
| session, beacon := con.ActiveTarget.GetInteractive() | ||
| if session == nil && beacon == nil { | ||
| return | ||
| } | ||
| mount, err := con.Rpc.Mount(context.Background(), &sliverpb.MountReq{ | ||
| Request: con.ActiveTarget.Request(cmd), | ||
| }) | ||
| if err != nil { | ||
| con.PrintErrorf("%s\n", err) | ||
| return | ||
| } | ||
| os := getOS(session, beacon) | ||
| if mount.Response != nil && mount.Response.Async { | ||
| con.AddBeaconCallback(mount.Response.TaskID, func(task *clientpb.BeaconTask) { | ||
| err = proto.Unmarshal(task.Response, mount) | ||
| if err != nil { | ||
| con.PrintErrorf("Failed to decode response %s\n", err) | ||
| return | ||
| } | ||
| PrintMount(os, mount, con) | ||
| }) | ||
| con.PrintAsyncResponse(mount.Response) | ||
| } else { | ||
| PrintMount(os, mount, con) | ||
| } | ||
| } | ||
|
|
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| func getOS(session *clientpb.Session, beacon *clientpb.Beacon) string { | ||
| if session != nil { | ||
| return session.OS | ||
| } else if beacon != nil { | ||
| return beacon.OS | ||
| } | ||
| return "" | ||
| } | ||
|
|
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| func reduceSpaceMetric(numberOfBytes float64) string { | ||
| units := []string{"B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"} | ||
|
|
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| if numberOfBytes < 1 { | ||
| return fmt.Sprintf("0 %s", units[0]) | ||
| } | ||
|
|
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| base := 1024.0 | ||
|
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| exp := math.Floor(math.Log(numberOfBytes) / math.Log(base)) | ||
| index := int(math.Min(exp, float64(len(units)-1))) | ||
| divisor := math.Pow(base, float64(index)) | ||
|
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| value := numberOfBytes / divisor | ||
|
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| return fmt.Sprintf("%.2f %s", value, units[index]) | ||
| } | ||
|
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| // PrintMount - Print a table containing information on mounted filesystems | ||
| func PrintMount(os string, mount *sliverpb.Mount, con *console.SliverClient) { | ||
| if mount.Response != nil && mount.Response.Err != "" { | ||
| con.PrintErrorf("%s\n", mount.Response.Err) | ||
| return | ||
| } | ||
| tw := table.NewWriter() | ||
| tw.SetStyle(settings.GetTableStyle(con)) | ||
|
|
||
| switch os { | ||
| case "windows": | ||
| tw.AppendHeader(table.Row{"Volume", "Volume Type", "Mount Point", "Label", "Filesystem", "Used Space", "Free Space", "Total Space"}) | ||
| case "darwin": | ||
| fallthrough | ||
| case "linux": | ||
| fallthrough | ||
| default: | ||
| tw.AppendHeader(table.Row{"Source", "Mount Point", "Mount Root", "Filesystem Type", "Options", "Total Space"}) | ||
| } | ||
|
|
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| for _, mountPoint := range mount.Info { | ||
| row := mountRow(os, mountPoint) | ||
| tw.AppendRow(row) | ||
| } | ||
|
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| settings.PaginateTable(tw, 0, false, false, con) | ||
| } | ||
|
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| func mountRow(os string, mountInfo *sliverpb.MountInfo) table.Row { | ||
| var row table.Row | ||
|
|
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| switch os { | ||
| case "windows": | ||
| // Translate VolumeType | ||
| volType, ok := driveTypeMap[mountInfo.VolumeType] | ||
| if !ok { | ||
| volType = driveTypeMap["0"] | ||
| } | ||
| row = table.Row{mountInfo.VolumeName, | ||
| volType, | ||
| mountInfo.MountPoint, | ||
| mountInfo.Label, | ||
| mountInfo.FileSystem, | ||
| reduceSpaceMetric(float64(mountInfo.UsedSpace)), | ||
| reduceSpaceMetric(float64(mountInfo.FreeSpace)), | ||
| reduceSpaceMetric(float64(mountInfo.TotalSpace)), | ||
| } | ||
| case "darwin": | ||
| fallthrough | ||
| case "linux": | ||
| fallthrough | ||
| default: | ||
| row = table.Row{mountInfo.VolumeName, | ||
| mountInfo.MountPoint, | ||
| mountInfo.Label, | ||
| mountInfo.VolumeType, | ||
| mountInfo.MountOptions, | ||
| reduceSpaceMetric(float64(mountInfo.TotalSpace)), | ||
| } | ||
| } | ||
| return row | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // +linux | ||
|
|
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| package mount | ||
|
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| import ( | ||
| "bufio" | ||
| "os" | ||
| "strings" | ||
| "syscall" | ||
|
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| "github.com/bishopfox/sliver/protobuf/sliverpb" | ||
| ) | ||
|
|
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| func GetMountInformation() ([]*sliverpb.MountInfo, error) { | ||
| mountInfo := make([]*sliverpb.MountInfo, 0) | ||
|
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| file, err := os.Open("/proc/self/mountinfo") | ||
| if err != nil { | ||
| return mountInfo, err | ||
| } | ||
| defer file.Close() | ||
|
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| scanner := bufio.NewScanner(file) | ||
| for scanner.Scan() { | ||
| line := scanner.Text() | ||
| fields := strings.Fields(line) | ||
|
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| // Extract fields according to the /proc/self/mountinfo format | ||
| // https://man7.org/linux/man-pages/man5/proc.5.html | ||
| mountRoot := fields[3] | ||
| mountPoint := fields[4] | ||
| mountOptions := fields[5] | ||
| mountType := fields[len(fields)-3] | ||
| mountSource := fields[len(fields)-2] | ||
|
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| // Get mount information using statfs | ||
| var stat syscall.Statfs_t | ||
| err := syscall.Statfs(mountPoint, &stat) | ||
| if err != nil { | ||
| continue | ||
| } | ||
|
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| var mountData sliverpb.MountInfo | ||
|
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| mountData.Label = mountRoot | ||
| mountData.MountPoint = mountPoint | ||
| mountData.VolumeType = mountType | ||
| mountData.VolumeName = mountSource | ||
| mountData.MountOptions = mountOptions | ||
| mountData.TotalSpace = stat.Blocks * uint64(stat.Bsize) | ||
| mountInfo = append(mountInfo, &mountData) | ||
|
|
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| } | ||
|
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| return mountInfo, nil | ||
| } |
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