docs: Add public API and remove autogenerated docs

Makefile

@@ -37,7 +37,6 @@ fmt:
 
 .PHONY: docs
 docs:
-	$(MAKE) -C docs api-stubs
 	$(MAKE) -C docs html
 
 .PHONY: test

docs/.gitignore

@@ -3,4 +3,3 @@
 # SPDX-License-Identifier: CC0-1.0
 
 /_build
-/api

docs/Makefile

@@ -18,12 +18,6 @@ help:
 
 .PHONY: help Makefile
 
-.PHONY: api-stubs
-api-stubs:
-	sphinx-apidoc -o api ../src
-	sed -i "1 s|.*|Modules|" api/modules.rst
-	sed -i "2 s|.*|=======|" api/modules.rst
-
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile

docs/api.md

@@ -0,0 +1,11 @@
+# Public API
+
+## gallia.transports.base
+
+All available transports are documented in {doc}`../transports`).
+
+```{eval-rst}
+.. automodule:: gallia.transports.base
+    :members:
+    :show-inheritance:
+```

docs/conf.py

@@ -44,6 +44,7 @@
     "myst_parser",
 ]
 
+myst_heading_anchors = 2
 myst_enable_extensions = ["deflist"]
 
 # Add any paths that contain templates here, relative to this directory.

docs/index.md

@@ -52,7 +52,7 @@ Several concepts and ideas are implemented in `gallia` in order to provide compr
 :maxdepth: 1
 :caption: API
 
-api/modules
+api
 ```
 
 `gallia` is designed as a pentesting framework where each test produces a lot of data.

docs/transports.md

@@ -25,6 +25,8 @@ The relevant transport protocol is specified in the scheme.
 
 ### isotp
 
+ISO-TP (ISO 15765-2) as provided by the Linux [socket API](https://www.kernel.org/doc/html/latest/networking/can.html).
+
 The can interface is specified as a host, e.g. `can0`.
 The following parameters are available (these are ISOTP transport settings):
 

src/gallia/transports/base.py

@@ -15,6 +15,14 @@
 
 
 class TargetURI:
+    """TargetURI represents a target to which gallia can connect.
+    The target string must conform to a URI is specified by RFC3986.
+
+    Basically, this is a wrapper around Python's `urlparse()` and
+    `parse_qs()` methods. TargetURI provides frequently used properties
+    for a more userfriendly usage. Instances are meant to be passed to
+    the `connect()` method of transports.
+    """
     def __init__(self, raw: str) -> None:
         self.raw = raw
         self.url = urlparse(raw)
@@ -28,32 +36,47 @@ def from_parts(
         port: int | None,
         args: dict[str, Any],
     ) -> TargetURI:
+        """Constructs a instance of TargetURI with the given arguments.
+        The `args` dict is used for the query string.
+        """
         netloc = host if port is None else join_host_port(host, port)
         return TargetURI(urlunparse((scheme, netloc, "", "", urlencode(args), "")))
 
     @property
     def scheme(self) -> str:
+        """The URI scheme"""
         return self.url.scheme
 
     @property
     def hostname(self) -> str | None:
+        """The hostname (without port)"""
         return self.url.hostname
 
     @property
     def port(self) -> int | None:
+        """The port number"""
         return self.url.port
 
     @property
     def netloc(self) -> str:
+        """The hostname and the portnumber, separated by a colon."""
         return self.url.netloc
 
     @property
     def location(self) -> str:
-        assert self.scheme != "", "url scheme is empty"
+        """A URI string which only consists of the relevant scheme,
+        the host and the port.
+        """
         return f"{self.scheme}://{self.url.netloc}"
 
     @property
     def qs_flat(self) -> dict[str, str]:
+        """A dict which contains the query string's key/value pairs.
+        In case a key appears multiple times, this variant only
+        contains the first found key/value pair. In contrast to
+        `self.qs`, this variant avoids lists and might be easier
+        to use for some cases.
+        """
         d = {}
         for k, v in self.qs.items():
             d[k] = v[0]
@@ -68,7 +91,26 @@ def __str__(self) -> str:
 
 
 class BaseTransport(ABC):
+    """BaseTransport is the base class providing the required
+    interface for all transports used by gallia.
+
+    A transport usually is some kind of network protocol which
+    carries an application level protocol. A good example is
+    DoIP carrying UDS requests which acts as a minimal middleware
+    on top of TCP.
+
+    This class is to be used as a subclass with all abstractmethods
+    implemented and the SCHEME property filled.
+
+    A few methods provide a `tags` argument. The debug logs of these
+    calls include these tags in the `tags` property of the relevant
+    `gallia.log.PenlogRecord`.
+    """
+
+    #: The scheme for the implemented protocol, e.g. "doip".
     SCHEME: str = ""
+    #: The buffersize of the transport. Might be used in read() calls.
+    #: Defaults to `io.DEFAULT_BUFFER_SIZE`.
     BUFSIZE: int = io.DEFAULT_BUFFER_SIZE
 
     def __init__(self, target: TargetURI) -> None:
@@ -90,6 +132,7 @@ def __init_subclass__(
 
     @classmethod
     def check_scheme(cls, target: TargetURI) -> None:
+        """Checks if the provided URI has the correct scheme."""
         if target.scheme != cls.SCHEME:
             raise ValueError(f"invalid scheme: {target.scheme}; expected: {cls.SCHEME}")
 
@@ -100,13 +143,22 @@ async def connect(
         target: str | TargetURI,
         timeout: float | None = None,
     ) -> TransportT:
+        """Classmethod to connect the transport to a relevant target.
+        The target argument is a URI, such as `doip://192.0.2.2:13400?src_addr=0xf4&dst_addr=0x1d"`
+        An instance of the relevant transport class is returned.
+        """
         ...
 
     @abstractmethod
     async def close(self) -> None:
+        """Terminates the connection and clean up all allocated ressources."""
         ...
 
     async def reconnect(self: TransportT, timeout: float | None = None) -> TransportT:
+        """Closes the connection to the target and reconnects. A new
+        instance of this class is returned rendering the old one
+        obsolete. This method is safe for concurrent use.
+        """
         async with self.mutex:
             await self.close()
             return await self.connect(self.target)
@@ -117,6 +169,10 @@ async def read(
         timeout: float | None = None,
         tags: list[str] | None = None,
     ) -> bytes:
+        """Reads one message and returns its raw byte representation.
+        An example for one message is 'one line, terminated by \\n' for
+        a TCP transport yielding lines.
+        """
         ...
 
     @abstractmethod
@@ -126,6 +182,7 @@ async def write(
         timeout: float | None = None,
         tags: list[str] | None = None,
     ) -> int:
+        """Writes one message and return the number of written bytes."""
         ...
 
     async def request(
@@ -134,6 +191,10 @@ async def request(
         timeout: float | None = None,
         tags: list[str] | None = None,
     ) -> bytes:
+        """Chains a `self.write()` call with a `self.read()` call.
+        The call is protected by a mutex and is thus safe for concurrent
+        use.
+        """
         async with self.mutex:
             return await self.request_unsafe(data, timeout, tags)
 
@@ -143,5 +204,9 @@ async def request_unsafe(
         timeout: float | None = None,
         tags: list[str] | None = None,
     ) -> bytes:
+        """Chains a `self.write()` call with a `self.read()` call.
+        The call is **not** protected by a mutex. Only use this method
+        when you know what you are doing.
+        """
         await self.write(data, timeout, tags)
         return await self.read(timeout, tags)