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Description
It is detecting the FortiGate image as a Tar file now, while it's a gzip file.
Steps to reproduce:
$ wget https://dl.partian.co/FortiGate/Version_7.00/7.6/7.6.1/FGT_1000D-v7.6.1.F-build3457-FORTINET.out
% uv run --with "dissect.target[full]" target-shell --version
dissect.target version 3.22
$ uv run --with "dissect.target[full]" target-shell FGT_1000D-v7.6.1.F-build3457-FORTINET.out
2025-06-11T13:43:13.878407Z [warning ] Tar file PosixPath('FGT_1000D-v7.6.1.F-build3457-FORTINET.out') is compressed, which will affect performance. Consider uncompressing the archive before passing the tar file to Dissect. [dissect.target.loaders.tar]
2025-06-11T13:43:13.878801Z [error ] FGT_1000D-v7.6.1.F-build3457-FORTINET.out: Failed to initiate loader: file could not be opened successfully:
- method gz: ReadError('invalid header')
- method bz2: ReadError('not a bzip2 file')
- method xz: ReadError('not an lzma file')
- method tar: ReadError('invalid header') [dissect.target.target]
2025-06-11T13:43:13.878857Z [error ] Error opening shell [dissect.target.tools.shell]
Traceback (most recent call last):
File "/Users/yun/.cache/uv/archive-v0/zJmKO8rejR1Jwk0GHcYYl/lib/python3.13/site-packages/dissect/target/tools/shell.py", line 1595, in main
open_shell(args.targets, args.python, args.registry, args.commands)
~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/yun/.cache/uv/archive-v0/zJmKO8rejR1Jwk0GHcYYl/lib/python3.13/site-packages/dissect/target/tools/shell.py", line 1472, in open_shell
targets = list(Target.open_all(targets))
File "/Users/yun/.cache/uv/archive-v0/zJmKO8rejR1Jwk0GHcYYl/lib/python3.13/site-packages/dissect/target/target.py", line 374, in open_all
raise TargetError(f"Failed to find any loader for targets: {paths}")
dissect.target.exceptions.TargetError: Failed to find any loader for targets: ['FGT_1000D-v7.6.1.F-build3457-FORTINET.out']
The only way to get it to work now is to pass the -L raw flag to target-shell:
$ uv run --with "dissect.target[full]" target-shell FGT_1000D-v7.6.1.F-build3457-FORTINET.out -L raw
2025-06-11T13:44:00.657676Z [warning ] <Target FGT_1000D-v7.6.1.F-build3457-FORTINET.out>: Can't identify volume system or no volumes found, adding as raw volume instead: <FortiFirmwareContainer size=268435968 vs=None> [dissect.target.target]
2025-06-11T13:44:01.162055Z [warning ] <Target FGT_1000D-v7.6.1.F-build3457-FORTINET.out>: Attempting to load rootfs.gz, this can take a while [dissect.target.target]
2025-06-11T13:44:17.589034Z [warning ] <Target FGT_1000D-v7.6.1.F-build3457-FORTINET.out>: Attempting to load XZ files, this can take a while [dissect.target.target]
FGT_1000D-v7.6.1.F-build3457-FORTINET.out:/$ ls
bin
bin.tar.xz
boot
data
data2
dev
etc
fortidev
init
lib
lib64
migadmin
migadmin.tar.xz
node-scripts
node-scripts.tar.xz
proc
sbin
sys
tmp
usr
usr.tar.xz
var
FGT_1000D-v7.6.1.F-build3457-FORTINET.out:/$Metadata
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