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A couple of facts have influenced the decision to remove this option:
- If a sploit script uses a shebang to launch sploit, it is
tricky to specify this option. Specifically, one must add it
to their shebang line, which couples more information to the
script than was originally intended.
- Single-pass pipe mode wasn't all that useful. One can
accomplish the same thing by running pipe-daemon, and it is
easy to exit after one iteration. Electing to run normal pipe
mode requires you to know you only want to run once, which is
much more common when running via direct subprocess.
As a result of this change, running in pipe mode will now be equivalent to
the previous pipe-daemon mode, and subprocess target mode remains single
pass.
Signed-off-by: Malfurious <m@lfurio.us>
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Apparently python won't run garbage collection on stuff owned by the
exec context if you define a function in the exec. This can lead to
random leaks, but it is most impactful in daemon mode. If the globals
dictionary given to exec isn't cleaned up, there will be a random
reference to comm that still exists. This holds a reference to the
Pipes object which prevents it from getting cleaned up before we try to
make a new one. Making a new one needs the fifos to have been cleaned
up, so it relies on the fact that the old one was supposed to be
cleaned up.
The most straightforward and non-intrusive way I could think to fix this
was to just manually run the garbage collector after exec. This is able
to find the leaked references and clean it all up.
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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The handling from the daemon mode code will also work in the process and
pipes cases. Putting it in a common location removes the need for the
outer try/except. It is also easier to read/maintain in general.
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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If the user's script contains
from sploit import *
then the exported 'comm' communication object is clobbered by the 'comm'
source module. Switching the name to 'io' avoids this issue, is more
to the point, and is even fewer characters to type.
Signed-off-by: Malfurious <m@lfurio.us>
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Rather than implicitly inheriting names in scope for the user-script,
this collection is sanitized and we only export the 'comm' communication
object. This seems to be a safer way to operate and addresses an issue
with sub-scopes in the user's script not functioning properly.
(Previously, user-defined functions did not have access to globals, or
library functions.)
Additionally, the user's code is now passed through compile() to attach
the original file name. This is useful for debugging / diagnostic
situations, to make it more obvious if a crash originated from the
user's script.
Signed-off-by: Malfurious <m@lfurio.us>
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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If the user presses Ctrl+C while waiting on a connection, we want to
gracefully exit.
If the user presses Ctrl+C during the script, we want to stop executing
the script and restart the loop.
If any other exception happens during the script, we want to print out
the stacktrace as normal, but continue the loop.
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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With the "read rest of output" code in the Comm destructor, it would
continue to read output even in situations where some error happened and
we expect sploit to die or when the user presses Ctrl+C to end sploit.
By moving it to the end of the script running code in main, it behaves
more intuitively.
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Previously, you could specify a directory which must exist under /tmp.
Now, you can give the full path to a directory to be used by Pipes.
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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First part of the MVP for the larger Sploit rework effort.
Add project structure, python packaging, basic comms, and "log" hook.
From in or out of the sploit directory, you can run the "sploit.py"
script, run python -m sploit, or import the sploit modules from the
python3 shell.
You can also pip install Sploit and from anywhere you can run the sploit
command, run python -m sploit, or import the sploit modules from the
python3 shell.
Running as a standalone application, Sploit can run in a "target" mode,
a "pipe" mode, and a "pipe daemon" mode. In "target" mode, Sploit will
launch a target program as a subprocess and run an exploit script
against its I/O. In "pipe" mode, Sploit will create named fifos and
wait for a program to connect to them to run an exploit script against
them. In "pipe daemon" mode, Sploit will run similar to the "pipe" mode,
but automatically recreate the fifos with the same name after each
execution.
Basic comm operations of read, readline, write, and writeline are
available to the exploit script.
A "log" hook is executed whenever data is read in from the target
program. This will just print the data out, but it can be configured to
decode it with a specific encoding or you could replace the function for
different behavior.
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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