binloader - pypi Package Compare versions

Comparing version 0.0.1 to 0.0.2

binloader.egg-info/PKG-INFO

 Metadata-Version: 2.4
 Name: binloader
-Version: 0.0.1
-Summary: Run VIM and Busybox
+Version: 0.0.2
+Summary: Run VIM and Busybox. Optionally run remote binaries
 Author-email: Ulises <[e-mail]>
 License: GPLv2
 Project-URL: Homepage, https://github.com/ulisesojeda/binary_loader
-Requires-Python: >=3.6
+Classifier: Operating System :: POSIX
+Requires-Python: >=3.4
 Description-Content-Type: text/markdown
 
-# Run VIM and Busybox as a Python module in Linux/x86_64 systems
+## Run VIM/Busybox and remote binaries accesible by http/https/ftp as a Python module in Linux/x86_64 systems
 
@@ -25,3 +26,3 @@ Motivation: run programs not available in restricted environments where
 ```bash
-python -m binloader vim /etc/passwd
+python -m binloader --local vim /etc/passwd
 ```
@@ -31,5 +32,10 @@
 ```bash
-python -m binloader busybox uname -a
+python -m binloader --local busybox uname -a
 ```
 
+### Remote binary
+```bash
+python -m binloader  --remote https://github.com/dtschan/vim-static/releases/download/v8.1.1045/vim --app vim /etc/passwd
+```
+
 ### ToDo
@@ -36,0 +42,0 @@ 1. Support for other OS/architectures

binloader/__main__.py

@@ -0,34 +1,63 @@
+import argparse
 import os
+from pathlib import Path
 import stat
-import sys
-from pathlib import Path
+import urllib.request
 
 
-def run(argv):
-    app = argv[1]
-    args = argv[1:]
+def run_local(app, argv):
+    """
+    Execute binary provided by the library
+
+    Parameters:
+    app: str = binary name
+    argv: [str] = app's arguments
+    """
     cur_dir = Path(__file__).resolve().parent
 
     binaries = {
-        "vim": f"{cur_dir}/binaries/vim_amd64",
-        "busybox": f"{cur_dir}/binaries/busybox_amd64",
+        "vim": cur_dir / "binaries/vim_amd64",
+        "busybox": cur_dir / "binaries/busybox_amd64",
     }
 
-    ram_file = os.memfd_create("ram_file")
-    os.chmod(ram_file, stat.S_IEXEC)
+    bin_path = binaries[app]
+    bin_path.chmod(stat.S_IEXEC)
+    os.execv(str(bin_path), [app] + argv)
 
-    f_ram = os.fdopen(ram_file, "wb")
-    vim_data = open(binaries[app], "br").read()
 
-    f_ram.write(vim_data)
-    os.execv(f"/proc/self/fd/{ram_file}", args)
+def run_remote(url, app, argv):
+    """
+    Download and execute remote binary
 
+    Parameters:
+    url: str = binary's remote location
+    app: str = binary name. To be pass as first argument to execv
+    argv: [str] = app's arguments
+    """
+    bin_path = "/tmp/binloader_remote"
+    urllib.request.urlretrieve(url, bin_path)
 
+    path = Path(bin_path)
+    path.chmod(stat.S_IEXEC | stat.S_IREAD | stat.S_IWRITE)
+    arguments = [app if app else "binloader"] + argv
+    os.execv(str(path), arguments)
+
+
 def main():
-    argv = sys.argv
-    assert len(argv) > 1, "Missing parameters. At least provide app name"
-    run(argv)
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-l", "--local")
+    parser.add_argument("-r", "--remote")
+    parser.add_argument("-a", "--app")
+    parser.add_argument("rest", nargs=argparse.REMAINDER)
+    args = parser.parse_args()
 
+    if args.local:
+        run_local(app=args.local, argv=args.rest)
+    elif args.remote:
+        run_remote(url=args.remote, app=args.app, argv=args.rest)
+    else:
+        raise ValueError("Invalid option. Use --local/--remote")
 
+
 if __name__ == "__main__":
     main()

PKG-INFO

 Metadata-Version: 2.4
 Name: binloader
-Version: 0.0.1
-Summary: Run VIM and Busybox
+Version: 0.0.2
+Summary: Run VIM and Busybox. Optionally run remote binaries
 Author-email: Ulises <[e-mail]>
 License: GPLv2
 Project-URL: Homepage, https://github.com/ulisesojeda/binary_loader
-Requires-Python: >=3.6
+Classifier: Operating System :: POSIX
+Requires-Python: >=3.4
 Description-Content-Type: text/markdown
 
-# Run VIM and Busybox as a Python module in Linux/x86_64 systems
+## Run VIM/Busybox and remote binaries accesible by http/https/ftp as a Python module in Linux/x86_64 systems
 
@@ -25,3 +26,3 @@ Motivation: run programs not available in restricted environments where
 ```bash
-python -m binloader vim /etc/passwd
+python -m binloader --local vim /etc/passwd
 ```
@@ -31,5 +32,10 @@
 ```bash
-python -m binloader busybox uname -a
+python -m binloader --local busybox uname -a
 ```
 
+### Remote binary
+```bash
+python -m binloader  --remote https://github.com/dtschan/vim-static/releases/download/v8.1.1045/vim --app vim /etc/passwd
+```
+
 ### ToDo
@@ -36,0 +42,0 @@ 1. Support for other OS/architectures

pyproject.toml

 [project]
 name = "binloader"
-version = "0.0.1"
-description = "Run VIM and Busybox"
+version = "0.0.2"
+description = "Run VIM and Busybox. Optionally run remote binaries"
 authors = [{ name="Ulises", email="[e-mail]" }]
 readme = "README.md"
-requires-python = ">=3.6"
+requires-python = ">=3.4"
 license = { text = "GPLv2" }
+classifiers = [
+    "Operating System :: POSIX",
+]
 
@@ -10,0 +13,0 @@ [project.urls]

README.md

@@ -1,2 +0,2 @@
-# Run VIM and Busybox as a Python module in Linux/x86_64 systems
+## Run VIM/Busybox and remote binaries accesible by http/https/ftp as a Python module in Linux/x86_64 systems
 
@@ -15,3 +15,3 @@ Motivation: run programs not available in restricted environments where
 ```bash
-python -m binloader vim /etc/passwd
+python -m binloader --local vim /etc/passwd
 ```
@@ -21,5 +21,10 @@
 ```bash
-python -m binloader busybox uname -a
+python -m binloader --local busybox uname -a
 ```
 
+### Remote binary
+```bash
+python -m binloader  --remote https://github.com/dtschan/vim-static/releases/download/v8.1.1045/vim --app vim /etc/passwd
+```
+
 ### ToDo
@@ -26,0 +31,0 @@ 1. Support for other OS/architectures

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Improved metrics

Total package byte prevSize

5807356

0.03%

Lines of code

59

73.53%