Initial commit

4 files changed, 194 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..e5fbcab2e65e
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,13 @@
+pkgbase = wpa-psk
+	pkgdesc = Generate a WPA PSK from an ASCII passphrase for a SSID
+	pkgver = 0.1.0
+	pkgrel = 1
+	url = https://aur.archlinux.org/packages/wpa-psk
+	arch = any
+	license = MIT
+	depends = python
+	source = wpa-psk.py
+	sha256sums = 8dddd39534c9c48574222bef1d81efbb34992a6143a786f07c051d58904b1fff
+
+pkgname = wpa-psk
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000000..8b4837731b35
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,125 @@
+
+# Created by https://www.gitignore.io/api/archlinuxpackages,python
+# Edit at https://www.gitignore.io/?templates=archlinuxpackages,python
+
+### ArchLinuxPackages ###
+*.tar
+*.tar.*
+*.jar
+*.exe
+*.msi
+*.zip
+*.tgz
+*.log
+*.log.*
+*.sig
+
+pkg/
+src/
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# End of https://www.gitignore.io/api/archlinuxpackages,python
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..14581c774622
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,15 @@
+# Maintainer: Ranieri Althoff <@domain.com>
+pkgname=wpa-psk
+pkgver=0.1.0
+pkgrel=1
+pkgdesc='Generate a WPA PSK from an ASCII passphrase for a SSID'
+arch=('any')
+url="https://aur.archlinux.org/packages/$pkgname"
+license=('MIT')
+depends=('python')
+source=("$pkgname.py")
+sha256sums=('8dddd39534c9c48574222bef1d81efbb34992a6143a786f07c051d58904b1fff')
+
+package() {
+	install -Dm755 "$srcdir/$pkgname.py" "$pkgdir/usr/bin/$pkgname"
+}
diff --git a/wpa-psk.py b/wpa-psk.py
new file mode 100644
index 000000000000..f0012f64317e
--- /dev/null
+++ b/wpa-psk.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import sys
+from argparse import ArgumentParser
+from getpass import getpass
+from hashlib import pbkdf2_hmac
+
+parser = ArgumentParser(
+    description="%(prog)s pre-computes PSK entries for network configuration blocks of a wpa_supplicant.conf file. An ASCII passphrase and SSID are used to generate a 256-bit PSK."
+)
+parser.add_argument("ssid", help="The SSID whose passphrase should be derived.")
+parser.add_argument(
+    "passphrase",
+    help="The passphrase to use. If not included on the command line, passphrase will be read from standard input.",
+    nargs="?",
+)
+args = parser.parse_args()
+
+if not args.passphrase:
+    print("# reading passphrase from stdin")
+    args.passphrase = getpass(prompt="")
+
+if not 8 <= len(args.passphrase) <= 63:
+    print("Passphrase must be 8..63 characters")
+    sys.exit(1)
+args.ssid.encode()
+passphrase = args.passphrase.encode()
+if any(b < 32 or b == 127 for b in passphrase):
+    print("Invalid passphrase character")
+    sys.exit(1)
+
+ssid = args.ssid.encode()
+psk = pbkdf2_hmac("sha1", passphrase, ssid, iterations=4096, dklen=32)
+print(
+    "network={",
+    f'\tssid="{args.ssid}"',
+    f'\t#psk="{args.passphrase}"',
+    f"\tpsk={psk.hex()}",
+    "}",
+    sep="\n",
+)