Added framework as a flattened directory

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>

framework/scripts/mbedtls_framework/tls_test_case.py

@@ -0,0 +1,101 @@
+"""Library for constructing an Mbed TLS ssl-opt test case.
+"""
+
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+import enum
+import re
+from typing import List
+
+from . import typing_util
+
+
+class TestCase:
+    """Data about an ssl-opt test case."""
+    #pylint: disable=too-few-public-methods
+
+    def __init__(self, description: str) -> None:
+        # List of shell snippets to call before run_test, typically
+        # calls to requires_xxx functions.
+        self.requirements = [] #type: List[str]
+        # Test case description (first argument to run_test).
+        self.description = description
+        # Client command line.
+        # This will be placed directly inside double quotes in the shell script.
+        self.client = '$P_CLI'
+        # Server command line.
+        # This will be placed directly inside double quotes in the shell script.
+        self.server = '$P_SRV'
+        # Expected client exit code.
+        self.exit_code = 0
+
+        # Note that all patterns matched in the logs are in BRE
+        # (Basic Regular Expression) syntax, more precisely in the BRE
+        # dialect that is the default for GNU grep. The main difference
+        # with Python regular expressions is that the operators for
+        # grouping `\(...\)`, alternation `x\|y`, option `x\?`,
+        # one-or-more `x\+` and repetition ranges `x\{M,N\}` must be
+        # preceded by a backslash. The characters `()|?+{}` stand for
+        # themselves.
+
+        # BRE for text that must be present in the client log (run_test -c).
+        self.wanted_client_patterns = [] #type: List[str]
+        # BRE for text that must be present in the server log (run_test -s).
+        self.wanted_server_patterns = [] #type: List[str]
+        # BRE for text that must not be present in the client log (run_test -C).
+        self.forbidden_client_patterns = [] #type: List[str]
+        # BRE for text that must not be present in the server log (run_test -S).
+        self.forbidden_server_patterns = [] #type: List[str]
+
+    @staticmethod
+    def _quote(raw: str) -> str:
+        """Quote the given string for sh.
+
+        Use double quotes, because that's currently the norm in ssl-opt.sh.
+        """
+        return '"' + re.sub(r'([$"\\`])', r'\\\1', raw) + '"'
+
+    def write(self, out: typing_util.Writable) -> None:
+        """Write the test case to the specified file."""
+        for req in self.requirements:
+            out.write(req + '\n')
+        out.write(f'run_test    {self._quote(self.description)} \\\n')
+        out.write(f'            "{self.server}" \\\n')
+        out.write(f'            "{self.client}" \\\n')
+        out.write(f'            {self.exit_code}')
+        for pat in self.wanted_server_patterns:
+            out.write(' \\\n            -s ' + self._quote(pat))
+        for pat in self.forbidden_server_patterns:
+            out.write(' \\\n            -S ' + self._quote(pat))
+        for pat in self.wanted_client_patterns:
+            out.write(' \\\n            -c ' + self._quote(pat))
+        for pat in self.forbidden_client_patterns:
+            out.write(' \\\n            -C ' + self._quote(pat))
+        out.write('\n\n')
+
+
+class Side(enum.Enum):
+    CLIENT = 0
+    SERVER = 1
+
+class Version(enum.Enum):
+    """TLS protocol version.
+
+    This class doesn't know about DTLS yet.
+    """
+
+    TLS12 = 2
+    TLS13 = 3
+
+    def force_version(self) -> str:
+        """Argument to pass to ssl_client2 or ssl_server2 to force this version."""
+        return f'force_version=tls1{self.value}'
+
+    def openssl_option(self) -> str:
+        """Option to pass to openssl s_client or openssl s_server to select this version."""
+        return f'-tls1_{self.value}'
+
+    def requires_command(self) -> str:
+        """Command to require this protocol version in an ssl-opt.sh test case."""
+        return 'requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_' + str(self.value)