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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /tools/asn2wrs.py
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/asn2wrs.py')
-rwxr-xr-xtools/asn2wrs.py8242
1 files changed, 8242 insertions, 0 deletions
diff --git a/tools/asn2wrs.py b/tools/asn2wrs.py
new file mode 100755
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--- /dev/null
+++ b/tools/asn2wrs.py
@@ -0,0 +1,8242 @@
+#!/usr/bin/env python3
+
+#
+# asn2wrs.py
+# ASN.1 to Wireshark dissector compiler
+# Copyright 2004 Tomas Kukosa
+#
+# SPDX-License-Identifier: MIT
+#
+
+"""ASN.1 to Wireshark dissector compiler"""
+
+#
+# Compiler from ASN.1 specification to the Wireshark dissector
+#
+# Based on ASN.1 to Python compiler from Aaron S. Lav's PyZ3950 package licensed under the X Consortium license
+# https://www.pobox.com/~asl2/software/PyZ3950/
+# (ASN.1 to Python compiler functionality is broken but not removed, it could be revived if necessary)
+#
+# It requires Dave Beazley's PLY parsing package licensed under the LGPL (tested with version 2.3)
+# https://www.dabeaz.com/ply/
+#
+#
+# ITU-T Recommendation X.680 (07/2002),
+# Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation
+#
+# ITU-T Recommendation X.681 (07/2002),
+# Information technology - Abstract Syntax Notation One (ASN.1): Information object specification
+#
+# ITU-T Recommendation X.682 (07/2002),
+# Information technology - Abstract Syntax Notation One (ASN.1): Constraint specification
+#
+# ITU-T Recommendation X.683 (07/2002),
+# Information technology - Abstract Syntax Notation One (ASN.1): Parameterization of ASN.1 specifications
+#
+# ITU-T Recommendation X.880 (07/1994),
+# Information technology - Remote Operations: Concepts, model and notation
+#
+
+import warnings
+
+import re
+import sys
+import os
+import os.path
+import time
+import getopt
+import traceback
+
+try:
+ from ply import lex
+ from ply import yacc
+except ImportError:
+ # Fallback: use lex.py and yacc from the tools directory within the
+ # Wireshark source tree if python-ply is not installed.
+ import lex
+ import yacc
+
+if sys.version_info[0] < 3:
+ from string import maketrans
+
+
+# OID name -> number conversion table
+oid_names = {
+ '/itu-t' : 0,
+ '/itu' : 0,
+ '/ccitt' : 0,
+ '/itu-r' : 0,
+ '0/recommendation' : 0,
+ '0.0/a' : 1,
+ '0.0/b' : 2,
+ '0.0/c' : 3,
+ '0.0/d' : 4,
+ '0.0/e' : 5,
+ '0.0/f' : 6,
+ '0.0/g' : 7,
+ '0.0/h' : 8,
+ '0.0/i' : 9,
+ '0.0/j' : 10,
+ '0.0/k' : 11,
+ '0.0/l' : 12,
+ '0.0/m' : 13,
+ '0.0/n' : 14,
+ '0.0/o' : 15,
+ '0.0/p' : 16,
+ '0.0/q' : 17,
+ '0.0/r' : 18,
+ '0.0/s' : 19,
+ '0.0/t' : 20,
+ '0.0/tseries' : 20,
+ '0.0/u' : 21,
+ '0.0/v' : 22,
+ '0.0/w' : 23,
+ '0.0/x' : 24,
+ '0.0/y' : 25,
+ '0.0/z' : 26,
+ '0/question' : 1,
+ '0/administration' : 2,
+ '0/network-operator' : 3,
+ '0/identified-organization' : 4,
+ '0/r-recommendation' : 5,
+ '0/data' : 9,
+ '/iso' : 1,
+ '1/standard' : 0,
+ '1/registration-authority' : 1,
+ '1/member-body' : 2,
+ '1/identified-organization' : 3,
+ '/joint-iso-itu-t' : 2,
+ '/joint-iso-ccitt' : 2,
+ '2/presentation' : 0,
+ '2/asn1' : 1,
+ '2/association-control' : 2,
+ '2/reliable-transfer' : 3,
+ '2/remote-operations' : 4,
+ '2/ds' : 5,
+ '2/directory' : 5,
+ '2/mhs' : 6,
+ '2/mhs-motis' : 6,
+ '2/ccr' : 7,
+ '2/oda' : 8,
+ '2/ms' : 9,
+ '2/osi-management' : 9,
+ '2/transaction-processing' : 10,
+ '2/dor' : 11,
+ '2/distinguished-object-reference' : 11,
+ '2/reference-data-transfe' : 12,
+ '2/network-layer' : 13,
+ '2/network-layer-management' : 13,
+ '2/transport-layer' : 14,
+ '2/transport-layer-management' : 14,
+ '2/datalink-layer' : 15,
+ '2/datalink-layer-managemen' : 15,
+ '2/datalink-layer-management-information' : 15,
+ '2/country' : 16,
+ '2/registration-procedures' : 17,
+ '2/registration-procedure' : 17,
+ '2/physical-layer' : 18,
+ '2/physical-layer-management' : 18,
+ '2/mheg' : 19,
+ '2/genericULS' : 20,
+ '2/generic-upper-layers-security' : 20,
+ '2/guls' : 20,
+ '2/transport-layer-security-protocol' : 21,
+ '2/network-layer-security-protocol' : 22,
+ '2/international-organizations' : 23,
+ '2/internationalRA' : 23,
+ '2/sios' : 24,
+ '2/uuid' : 25,
+ '2/odp' : 26,
+ '2/upu' : 40,
+}
+
+ITEM_FIELD_NAME = '_item'
+UNTAG_TYPE_NAME = '_untag'
+
+def asn2c(id):
+ return id.replace('-', '_').replace('.', '_').replace('&', '_')
+
+input_file = None
+g_conform = None
+lexer = None
+in_oid = False
+
+class LexError(Exception):
+ def __init__(self, tok, filename=None):
+ self.tok = tok
+ self.filename = filename
+ self.msg = "Unexpected character %r" % (self.tok.value[0])
+ Exception.__init__(self, self.msg)
+ def __repr__(self):
+ return "%s:%d: %s" % (self.filename, self.tok.lineno, self.msg)
+ __str__ = __repr__
+
+
+class ParseError(Exception):
+ def __init__(self, tok, filename=None):
+ self.tok = tok
+ self.filename = filename
+ self.msg = "Unexpected token %s(%r)" % (self.tok.type, self.tok.value)
+ Exception.__init__(self, self.msg)
+ def __repr__(self):
+ return "%s:%d: %s" % (self.filename, self.tok.lineno, self.msg)
+ __str__ = __repr__
+
+
+class DuplicateError(Exception):
+ def __init__(self, type, ident):
+ self.type = type
+ self.ident = ident
+ self.msg = "Duplicate %s for %s" % (self.type, self.ident)
+ Exception.__init__(self, self.msg)
+ def __repr__(self):
+ return self.msg
+ __str__ = __repr__
+
+class CompError(Exception):
+ def __init__(self, msg):
+ self.msg = msg
+ Exception.__init__(self, self.msg)
+ def __repr__(self):
+ return self.msg
+ __str__ = __repr__
+
+
+states = (
+ ('braceignore','exclusive'),
+)
+
+precedence = (
+ ('left', 'UNION', 'BAR'),
+ ('left', 'INTERSECTION', 'CIRCUMFLEX'),
+)
+# 11 ASN.1 lexical items
+
+static_tokens = {
+ r'::=' : 'ASSIGNMENT', # 11.16 Assignment lexical item
+ r'\.\.' : 'RANGE', # 11.17 Range separator
+ r'\.\.\.' : 'ELLIPSIS', # 11.18 Ellipsis
+ r'\[\[' : 'LVERBRACK', # 11.19 Left version brackets
+ r'\]\]' : 'RVERBRACK', # 11.20 Right version brackets
+ # 11.26 Single character lexical items
+ r'\{' : 'LBRACE',
+ r'\}' : 'RBRACE',
+ r'<' : 'LT',
+ #r'>' : 'GT',
+ r',' : 'COMMA',
+ r'\.' : 'DOT',
+ r'\(' : 'LPAREN',
+ r'\)' : 'RPAREN',
+ r'\[' : 'LBRACK',
+ r'\]' : 'RBRACK',
+ r'-' : 'MINUS',
+ r':' : 'COLON',
+ #r'=' : 'EQ',
+ #r'"' : 'QUOTATION',
+ #r"'" : 'APOSTROPHE',
+ r';' : 'SEMICOLON',
+ r'@' : 'AT',
+ r'\!' : 'EXCLAMATION',
+ r'\^' : 'CIRCUMFLEX',
+ r'\&' : 'AMPERSAND',
+ r'\|' : 'BAR'
+}
+
+# 11.27 Reserved words
+
+# all keys in reserved_words must start w/ upper case
+reserved_words = {
+ 'ABSENT' : 'ABSENT',
+ 'ABSTRACT-SYNTAX' : 'ABSTRACT_SYNTAX',
+ 'ALL' : 'ALL',
+ 'APPLICATION' : 'APPLICATION',
+ 'AUTOMATIC' : 'AUTOMATIC',
+ 'BEGIN' : 'BEGIN',
+ 'BIT' : 'BIT',
+ 'BOOLEAN' : 'BOOLEAN',
+ 'BY' : 'BY',
+ 'CHARACTER' : 'CHARACTER',
+ 'CHOICE' : 'CHOICE',
+ 'CLASS' : 'CLASS',
+ 'COMPONENT' : 'COMPONENT',
+ 'COMPONENTS' : 'COMPONENTS',
+ 'CONSTRAINED' : 'CONSTRAINED',
+ 'CONTAINING' : 'CONTAINING',
+ 'DEFAULT' : 'DEFAULT',
+ 'DEFINITIONS' : 'DEFINITIONS',
+ 'EMBEDDED' : 'EMBEDDED',
+# 'ENCODED' : 'ENCODED',
+ 'END' : 'END',
+ 'ENUMERATED' : 'ENUMERATED',
+# 'EXCEPT' : 'EXCEPT',
+ 'EXPLICIT' : 'EXPLICIT',
+ 'EXPORTS' : 'EXPORTS',
+# 'EXTENSIBILITY' : 'EXTENSIBILITY',
+ 'EXTERNAL' : 'EXTERNAL',
+ 'FALSE' : 'FALSE',
+ 'FROM' : 'FROM',
+ 'GeneralizedTime' : 'GeneralizedTime',
+ 'IDENTIFIER' : 'IDENTIFIER',
+ 'IMPLICIT' : 'IMPLICIT',
+# 'IMPLIED' : 'IMPLIED',
+ 'IMPORTS' : 'IMPORTS',
+ 'INCLUDES' : 'INCLUDES',
+ 'INSTANCE' : 'INSTANCE',
+ 'INTEGER' : 'INTEGER',
+ 'INTERSECTION' : 'INTERSECTION',
+ 'MAX' : 'MAX',
+ 'MIN' : 'MIN',
+ 'MINUS-INFINITY' : 'MINUS_INFINITY',
+ 'NULL' : 'NULL',
+ 'OBJECT' : 'OBJECT',
+ 'ObjectDescriptor' : 'ObjectDescriptor',
+ 'OCTET' : 'OCTET',
+ 'OF' : 'OF',
+ 'OPTIONAL' : 'OPTIONAL',
+ 'PATTERN' : 'PATTERN',
+ 'PDV' : 'PDV',
+ 'PLUS-INFINITY' : 'PLUS_INFINITY',
+ 'PRESENT' : 'PRESENT',
+ 'PRIVATE' : 'PRIVATE',
+ 'REAL' : 'REAL',
+ 'RELATIVE-OID' : 'RELATIVE_OID',
+ 'SEQUENCE' : 'SEQUENCE',
+ 'SET' : 'SET',
+ 'SIZE' : 'SIZE',
+ 'STRING' : 'STRING',
+ 'SUCCESSORS' : 'SUCCESSORS',
+ 'SYNTAX' : 'SYNTAX',
+ 'TAGS' : 'TAGS',
+ 'TRUE' : 'TRUE',
+ 'TYPE-IDENTIFIER' : 'TYPE_IDENTIFIER',
+ 'UNION' : 'UNION',
+ 'UNIQUE' : 'UNIQUE',
+ 'UNIVERSAL' : 'UNIVERSAL',
+ 'UTCTime' : 'UTCTime',
+ 'WITH' : 'WITH',
+# X.208 obsolete but still used
+ 'ANY' : 'ANY',
+ 'DEFINED' : 'DEFINED',
+}
+
+for k in list(static_tokens.keys()):
+ if static_tokens [k] is None:
+ static_tokens [k] = k
+
+StringTypes = ['Numeric', 'Printable', 'IA5', 'BMP', 'Universal', 'UTF8',
+ 'Teletex', 'T61', 'Videotex', 'Graphic', 'ISO646', 'Visible',
+ 'General']
+
+# Effective permitted-alphabet constraints are PER-visible only
+# for the known-multiplier character string types (X.691 27.1)
+#
+# XXX: This should include BMPString (UCS2) and UniversalString (UCS4),
+# but asn2wrs only suports the RestrictedCharacterStringValue
+# notation of "cstring", but not that of "CharacterStringList",
+# "Quadruple", or "Tuple" (See X.680 41.8), and packet-per.c does
+# not support members of the permitted-alphabet being outside the
+# ASCII range. We don't currently have any ASN.1 modules that need it,
+# anyway.
+KnownMultiplierStringTypes = ('NumericString', 'PrintableString', 'IA5String',
+ 'ISO646String', 'VisibleString')
+
+for s in StringTypes:
+ reserved_words[s + 'String'] = s + 'String'
+
+tokens = list(static_tokens.values()) \
+ + list(reserved_words.values()) \
+ + ['BSTRING', 'HSTRING', 'QSTRING',
+ 'UCASE_IDENT', 'LCASE_IDENT', 'LCASE_IDENT_ASSIGNED', 'CLASS_IDENT',
+ 'REAL_NUMBER', 'NUMBER', 'PYQUOTE']
+
+
+cur_mod = __import__ (__name__) # XXX blech!
+
+for (k, v) in list(static_tokens.items ()):
+ cur_mod.__dict__['t_' + v] = k
+
+# 11.10 Binary strings
+def t_BSTRING (t):
+ r"'[01]*'B"
+ return t
+
+# 11.12 Hexadecimal strings
+def t_HSTRING (t):
+ r"'[0-9A-Fa-f]*'H"
+ return t
+
+def t_QSTRING (t):
+ r'"([^"]|"")*"'
+ return t
+
+def t_UCASE_IDENT (t):
+ r"[A-Z](-[a-zA-Z0-9]|[a-zA-Z0-9])*" # can't end w/ '-'
+ if (is_class_ident(t.value)): t.type = 'CLASS_IDENT'
+ if (is_class_syntax(t.value)): t.type = t.value
+ t.type = reserved_words.get(t.value, t.type)
+ return t
+
+lcase_ident_assigned = {}
+def t_LCASE_IDENT (t):
+ r"[a-z](-[a-zA-Z0-9]|[a-zA-Z0-9])*" # can't end w/ '-'
+ if (not in_oid and (t.value in lcase_ident_assigned)): t.type = 'LCASE_IDENT_ASSIGNED'
+ return t
+
+# 11.9 Real numbers
+def t_REAL_NUMBER (t):
+ r"[0-9]+\.[0-9]*(?!\.)"
+ return t
+
+# 11.8 Numbers
+def t_NUMBER (t):
+ r"0|([1-9][0-9]*)"
+ return t
+
+# 11.6 Comments
+pyquote_str = 'PYQUOTE'
+def t_COMMENT(t):
+ r"--(-[^\-\n]|[^\-\n])*(--|\n|-\n|$|-$)"
+ if (t.value.find("\n") >= 0) : t.lexer.lineno += 1
+ if t.value[2:2+len (pyquote_str)] == pyquote_str:
+ t.value = t.value[2+len(pyquote_str):]
+ t.value = t.value.lstrip ()
+ t.type = pyquote_str
+ return t
+ return None
+
+t_ignore = " \t\r"
+
+def t_NEWLINE(t):
+ r'\n+'
+ t.lexer.lineno += t.value.count("\n")
+
+def t_error(t):
+ global input_file
+ raise LexError(t, input_file)
+
+# state 'braceignore'
+
+def t_braceignore_lbrace(t):
+ r'\{'
+ t.lexer.level +=1
+
+def t_braceignore_rbrace(t):
+ r'\}'
+ t.lexer.level -=1
+ # If closing brace, return token
+ if t.lexer.level == 0:
+ t.type = 'RBRACE'
+ return t
+
+def t_braceignore_QSTRING (t):
+ r'"([^"]|"")*"'
+ t.lexer.lineno += t.value.count("\n")
+
+def t_braceignore_COMMENT(t):
+ r"--(-[^\-\n]|[^\-\n])*(--|\n|-\n|$|-$)"
+ if (t.value.find("\n") >= 0) : t.lexer.lineno += 1
+
+def t_braceignore_nonspace(t):
+ r'[^\s\{\}\"-]+|-(?!-)'
+
+t_braceignore_ignore = " \t\r"
+
+def t_braceignore_NEWLINE(t):
+ r'\n+'
+ t.lexer.lineno += t.value.count("\n")
+
+def t_braceignore_error(t):
+ t.lexer.skip(1)
+
+class Ctx:
+ def __init__ (self, defined_dict, indent = 0):
+ self.tags_def = 'EXPLICIT' # default = explicit
+ self.indent_lev = 0
+ self.assignments = {}
+ self.dependencies = {}
+ self.pyquotes = []
+ self.defined_dict = defined_dict
+ self.name_ctr = 0
+ def spaces (self):
+ return " " * (4 * self.indent_lev)
+ def indent (self):
+ self.indent_lev += 1
+ def outdent (self):
+ self.indent_lev -= 1
+ assert (self.indent_lev >= 0)
+ def register_assignment (self, ident, val, dependencies):
+ if ident in self.assignments:
+ raise DuplicateError("assignment", ident)
+ if ident in self.defined_dict:
+ raise Exception("cross-module duplicates for %s" % ident)
+ self.defined_dict [ident] = 1
+ self.assignments[ident] = val
+ self.dependencies [ident] = dependencies
+ return ""
+ # return "#%s depends on %s" % (ident, str (dependencies))
+ def register_pyquote (self, val):
+ self.pyquotes.append (val)
+ return ""
+ def output_assignments (self):
+ already_output = {}
+ text_list = []
+ assign_keys = list(self.assignments.keys())
+ to_output_count = len (assign_keys)
+ while True:
+ any_output = 0
+ for (ident, val) in list(self.assignments.items ()):
+ if ident in already_output:
+ continue
+ ok = 1
+ for d in self.dependencies [ident]:
+ if ((d not in already_output) and
+ (d in assign_keys)):
+ ok = 0
+ if ok:
+ text_list.append ("%s=%s" % (ident,
+ self.assignments [ident]))
+ already_output [ident] = 1
+ any_output = 1
+ to_output_count -= 1
+ assert (to_output_count >= 0)
+ if not any_output:
+ if to_output_count == 0:
+ break
+ # OK, we detected a cycle
+ cycle_list = []
+ for ident in list(self.assignments.keys ()):
+ if ident not in already_output:
+ depend_list = [d for d in self.dependencies[ident] if d in assign_keys]
+ cycle_list.append ("%s(%s)" % (ident, ",".join (depend_list)))
+
+ text_list.append ("# Cycle XXX " + ",".join (cycle_list))
+ for (ident, val) in list(self.assignments.items ()):
+ if ident not in already_output:
+ text_list.append ("%s=%s" % (ident, self.assignments [ident]))
+ break
+
+ return "\n".join (text_list)
+ def output_pyquotes (self):
+ return "\n".join (self.pyquotes)
+ def make_new_name (self):
+ self.name_ctr += 1
+ return "_compiler_generated_name_%d" % (self.name_ctr,)
+
+#--- Flags for EXPORT, USER_DEFINED, NO_EMIT, MAKE_ENUM -------------------------------
+EF_TYPE = 0x0001
+EF_VALS = 0x0002
+EF_ENUM = 0x0004
+EF_WS_DLL = 0x0010 # exported from shared library
+EF_EXTERN = 0x0020
+EF_NO_PROT = 0x0040
+EF_NO_TYPE = 0x0080
+EF_UCASE = 0x0100
+EF_TABLE = 0x0400
+EF_DEFINE = 0x0800
+EF_MODULE = 0x1000
+
+#--- common dependency computation ---
+# Input : list of items
+# dictionary with lists of dependency
+#
+#
+# Output : list of two outputs:
+# [0] list of items in dependency
+# [1] list of cycle dependency cycles
+def dependency_compute(items, dependency, map_fn = lambda t: t, ignore_fn = lambda t: False):
+ item_ord = []
+ item_cyc = []
+ x = {} # already emitted
+ #print '# Dependency computation'
+ for t in items:
+ if map_fn(t) in x:
+ #print 'Continue: %s : %s' % (t, (map_fn(t))
+ continue
+ stack = [t]
+ stackx = {t : dependency.get(t, [])[:]}
+ #print 'Push: %s : %s' % (t, str(stackx[t]))
+ while stack:
+ if stackx[stack[-1]]: # has dependencies
+ d = stackx[stack[-1]].pop(0)
+ if map_fn(d) in x or ignore_fn(d):
+ continue
+ if d in stackx: # cyclic dependency
+ c = stack[:]
+ c.reverse()
+ c = [d] + c[0:c.index(d)+1]
+ c.reverse()
+ item_cyc.append(c)
+ #print 'Cyclic: %s ' % (' -> '.join(c))
+ continue
+ stack.append(d)
+ stackx[d] = dependency.get(d, [])[:]
+ #print 'Push: %s : %s' % (d, str(stackx[d]))
+ else:
+ #print 'Pop: %s' % (stack[-1])
+ del stackx[stack[-1]]
+ e = map_fn(stack.pop())
+ if e in x:
+ continue
+ #print 'Add: %s' % (e)
+ item_ord.append(e)
+ x[e] = True
+ return (item_ord, item_cyc)
+
+# Given a filename, return a relative path from the current directory
+def relpath(filename):
+ return os.path.relpath(filename)
+
+# Given a filename, return a relative path from epan/dissectors
+def rel_dissector_path(filename):
+ path_parts = os.path.abspath(filename).split(os.sep)
+ while (len(path_parts) > 3 and path_parts[0] != 'asn1'):
+ path_parts.pop(0)
+ path_parts.insert(0, '.')
+ return '/'.join(path_parts)
+
+
+#--- EthCtx -------------------------------------------------------------------
+class EthCtx:
+ def __init__(self, conform, output, indent = 0):
+ self.conform = conform
+ self.output = output
+ self.conform.ectx = self
+ self.output.ectx = self
+ self.encoding = 'per'
+ self.aligned = False
+ self.default_oid_variant = ''
+ self.default_opentype_variant = ''
+ self.default_containing_variant = '_pdu_new'
+ self.default_embedded_pdv_cb = None
+ self.default_external_type_cb = None
+ self.remove_prefix = None
+ self.srcdir = None
+ self.emitted_pdu = {}
+ self.module = {}
+ self.module_ord = []
+ self.all_type_attr = {}
+ self.all_tags = {}
+ self.all_vals = {}
+
+ def encp(self): # encoding protocol
+ encp = self.encoding
+ return encp
+
+ # Encoding
+ def Per(self): return self.encoding == 'per'
+ def Ber(self): return self.encoding == 'ber'
+ def Oer(self): return self.encoding == 'oer'
+ def Aligned(self): return self.aligned
+ def Unaligned(self): return not self.aligned
+ def NeedTags(self): return self.tag_opt or self.Ber()
+ def NAPI(self): return False # disable planned features
+
+ def Module(self): # current module name
+ return self.modules[-1][0]
+
+ def groups(self):
+ return self.group_by_prot or (self.conform.last_group > 0)
+
+ def dbg(self, d):
+ if (self.dbgopt.find(d) >= 0):
+ return True
+ else:
+ return False
+
+ def value_max(self, a, b):
+ if (a == 'MAX') or (b == 'MAX'): return 'MAX';
+ if a == 'MIN': return b;
+ if b == 'MIN': return a;
+ try:
+ if (int(a) > int(b)):
+ return a
+ else:
+ return b
+ except (ValueError, TypeError):
+ pass
+ return "MAX((%s),(%s))" % (a, b)
+
+ def value_min(self, a, b):
+ if (a == 'MIN') or (b == 'MIN'): return 'MIN';
+ if a == 'MAX': return b;
+ if b == 'MAX': return a;
+ try:
+ if (int(a) < int(b)):
+ return a
+ else:
+ return b
+ except (ValueError, TypeError):
+ pass
+ return "MIN((%s),(%s))" % (a, b)
+
+ def value_get_eth(self, val):
+ if isinstance(val, Value):
+ return val.to_str(self)
+ ethname = val
+ if val in self.value:
+ ethname = self.value[val]['ethname']
+ return ethname
+
+ def value_get_val(self, nm):
+ val = asn2c(nm)
+ if nm in self.value:
+ if self.value[nm]['import']:
+ v = self.get_val_from_all(nm, self.value[nm]['import'])
+ if v is None:
+ msg = 'Need value of imported value identifier %s from %s (%s)' % (nm, self.value[nm]['import'], self.value[nm]['proto'])
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+ else:
+ val = v
+ else:
+ val = self.value[nm]['value']
+ if isinstance (val, Value):
+ val = val.to_str(self)
+ else:
+ msg = 'Need value of unknown value identifier %s' % (nm)
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+ return val
+
+ def eth_get_type_attr(self, type):
+ #print "eth_get_type_attr(%s)" % (type)
+ types = [type]
+ while (not self.type[type]['import']):
+ val = self.type[type]['val']
+ #print val
+ ttype = type
+ while (val.type == 'TaggedType'):
+ val = val.val
+ ttype += '/' + UNTAG_TYPE_NAME
+ if (val.type != 'Type_Ref'):
+ if (type != ttype):
+ types.append(ttype)
+ break
+ type = val.val
+ types.append(type)
+ attr = {}
+ #print " ", types
+ while len(types):
+ t = types.pop()
+ if (self.type[t]['import']):
+ attr.update(self.type[t]['attr'])
+ attr.update(self.eth_get_type_attr_from_all(t, self.type[t]['import']))
+ elif (self.type[t]['val'].type == 'SelectionType'):
+ val = self.type[t]['val']
+ (ftype, display) = val.eth_ftype(self)
+ attr.update({ 'TYPE' : ftype, 'DISPLAY' : display,
+ 'STRINGS' : val.eth_strings(), 'BITMASK' : '0' });
+ else:
+ attr.update(self.type[t]['attr'])
+ attr.update(self.eth_type[self.type[t]['ethname']]['attr'])
+ if attr['STRINGS'].startswith('VALS64(') and '|BASE_VAL64_STRING' not in attr['DISPLAY']:
+ attr['DISPLAY'] += '|BASE_VAL64_STRING'
+ #print " ", attr
+ return attr
+
+ def eth_get_type_attr_from_all(self, type, module):
+ attr = {}
+ if module in self.all_type_attr and type in self.all_type_attr[module]:
+ attr = self.all_type_attr[module][type]
+ return attr
+
+ def get_ttag_from_all(self, type, module):
+ ttag = None
+ if module in self.all_tags and type in self.all_tags[module]:
+ ttag = self.all_tags[module][type]
+ return ttag
+
+ def get_val_from_all(self, nm, module):
+ val = None
+ if module in self.all_vals and nm in self.all_vals[module]:
+ val = self.all_vals[module][nm]
+ return val
+
+ def get_obj_repr(self, ident, flds=[], not_flds=[]):
+ def set_type_fn(cls, field, fnfield):
+ obj[fnfield + '_fn'] = 'NULL'
+ obj[fnfield + '_pdu'] = 'NULL'
+ if field in val and isinstance(val[field], Type_Ref):
+ p = val[field].eth_type_default_pars(self, '')
+ obj[fnfield + '_fn'] = p['TYPE_REF_FN']
+ obj[fnfield + '_fn'] = obj[fnfield + '_fn'] % p # one iteration
+ if (self.conform.check_item('PDU', cls + '.' + field)):
+ obj[fnfield + '_pdu'] = 'dissect_' + self.field[val[field].val]['ethname']
+ return
+ # end of get_type_fn()
+ obj = { '_name' : ident, '_ident' : asn2c(ident)}
+ obj['_class'] = self.oassign[ident].cls
+ obj['_module'] = self.oassign[ident].module
+ val = self.oassign[ident].val
+ for f in flds:
+ if f not in val:
+ return None
+ for f in not_flds:
+ if f in val:
+ return None
+ for f in list(val.keys()):
+ if isinstance(val[f], Node):
+ obj[f] = val[f].fld_obj_repr(self)
+ else:
+ obj[f] = str(val[f])
+ if (obj['_class'] == 'TYPE-IDENTIFIER') or (obj['_class'] == 'ABSTRACT-SYNTAX'):
+ set_type_fn(obj['_class'], '&Type', '_type')
+ if (obj['_class'] == 'OPERATION'):
+ set_type_fn(obj['_class'], '&ArgumentType', '_argument')
+ set_type_fn(obj['_class'], '&ResultType', '_result')
+ if (obj['_class'] == 'ERROR'):
+ set_type_fn(obj['_class'], '&ParameterType', '_parameter')
+ return obj
+
+ #--- eth_reg_module -----------------------------------------------------------
+ def eth_reg_module(self, module):
+ #print "eth_reg_module(module='%s')" % (module)
+ name = module.get_name()
+ self.modules.append([name, module.get_proto(self)])
+ if name in self.module:
+ raise DuplicateError("module", name)
+ self.module[name] = []
+ self.module_ord.append(name)
+
+ #--- eth_module_dep_add ------------------------------------------------------------
+ def eth_module_dep_add(self, module, dep):
+ self.module[module].append(dep)
+
+ #--- eth_exports ------------------------------------------------------------
+ def eth_exports(self, exports):
+ self.exports_all = False
+ if ((len(exports) == 1) and (exports[0] == 'ALL')):
+ self.exports_all = True
+ return
+ for e in (exports):
+ if isinstance(e, Type_Ref):
+ self.exports.append(e.val)
+ elif isinstance(e, Class_Ref):
+ self.cexports.append(e.val)
+ else:
+ self.vexports.append(e)
+
+ #--- eth_reg_assign ---------------------------------------------------------
+ def eth_reg_assign(self, ident, val, virt=False):
+ #print("eth_reg_assign(ident='%s')" % (ident), 'module=', self.Module())
+ if ident in self.assign:
+ raise DuplicateError("assignment", ident)
+ self.assign[ident] = { 'val' : val , 'virt' : virt }
+ self.assign_ord.append(ident)
+ if (self.exports_all):
+ self.exports.append(ident)
+
+ #--- eth_reg_vassign --------------------------------------------------------
+ def eth_reg_vassign(self, vassign):
+ ident = vassign.ident
+ #print "eth_reg_vassign(ident='%s')" % (ident)
+ if ident in self.vassign:
+ raise DuplicateError("value assignment", ident)
+ self.vassign[ident] = vassign
+ self.vassign_ord.append(ident)
+ if (self.exports_all):
+ self.vexports.append(ident)
+
+ #--- eth_reg_oassign --------------------------------------------------------
+ def eth_reg_oassign(self, oassign):
+ ident = oassign.ident
+ #print "eth_reg_oassign(ident='%s')" % (ident)
+ if ident in self.oassign:
+ if self.oassign[ident] == oassign:
+ return # OK - already defined
+ else:
+ raise DuplicateError("information object assignment", ident)
+ self.oassign[ident] = oassign
+ self.oassign_ord.append(ident)
+ self.oassign_cls.setdefault(oassign.cls, []).append(ident)
+
+ #--- eth_import_type --------------------------------------------------------
+ def eth_import_type(self, ident, mod, proto):
+ #print ("eth_import_type(ident='%s', mod='%s', prot='%s')" % (ident, mod, proto))
+ if ident in self.type:
+ #print ("already defined '%s' import=%s, module=%s" % (ident, str(self.type[ident]['import']), self.type[ident].get('module', '-')))
+ if not self.type[ident]['import'] and (self.type[ident]['module'] == mod) :
+ return # OK - already defined
+ elif self.type[ident]['import'] and (self.type[ident]['import'] == mod) :
+ return # OK - already imported
+ else:
+ raise DuplicateError("type", ident)
+ self.type[ident] = {'import' : mod, 'proto' : proto,
+ 'ethname' : '' }
+ self.type[ident]['attr'] = { 'TYPE' : 'FT_NONE', 'DISPLAY' : 'BASE_NONE',
+ 'STRINGS' : 'NULL', 'BITMASK' : '0' }
+ mident = "$%s$%s" % (mod, ident)
+ if (self.conform.check_item('TYPE_ATTR', mident)):
+ self.type[ident]['attr'].update(self.conform.use_item('TYPE_ATTR', mident))
+ else:
+ self.type[ident]['attr'].update(self.conform.use_item('TYPE_ATTR', ident))
+ if (self.conform.check_item('IMPORT_TAG', mident)):
+ self.conform.copy_item('IMPORT_TAG', ident, mident)
+ self.type_imp.append(ident)
+
+ #--- dummy_import_type --------------------------------------------------------
+ def dummy_import_type(self, ident):
+ # dummy imported
+ if ident in self.type:
+ raise Exception("Try to dummy import for existing type :%s" % ident)
+ ethtype = asn2c(ident)
+ self.type[ident] = {'import' : 'xxx', 'proto' : 'xxx',
+ 'ethname' : ethtype }
+ self.type[ident]['attr'] = { 'TYPE' : 'FT_NONE', 'DISPLAY' : 'BASE_NONE',
+ 'STRINGS' : 'NULL', 'BITMASK' : '0' }
+ self.eth_type[ethtype] = { 'import' : 'xxx', 'proto' : 'xxx' , 'attr' : {}, 'ref' : []}
+ print("Dummy imported: %s (%s)" % (ident, ethtype))
+ return ethtype
+
+ #--- eth_import_class --------------------------------------------------------
+ def eth_import_class(self, ident, mod, proto):
+ #print "eth_import_class(ident='%s', mod='%s', prot='%s')" % (ident, mod, proto)
+ if ident in self.objectclass:
+ #print "already defined import=%s, module=%s" % (str(self.objectclass[ident]['import']), self.objectclass[ident]['module'])
+ if not self.objectclass[ident]['import'] and (self.objectclass[ident]['module'] == mod) :
+ return # OK - already defined
+ elif self.objectclass[ident]['import'] and (self.objectclass[ident]['import'] == mod) :
+ return # OK - already imported
+ else:
+ raise DuplicateError("object class", ident)
+ self.objectclass[ident] = {'import' : mod, 'proto' : proto,
+ 'ethname' : '' }
+ self.objectclass_imp.append(ident)
+
+ #--- eth_import_value -------------------------------------------------------
+ def eth_import_value(self, ident, mod, proto):
+ #print "eth_import_value(ident='%s', mod='%s', prot='%s')" % (ident, mod, prot)
+ if ident in self.value:
+ #print "already defined import=%s, module=%s" % (str(self.value[ident]['import']), self.value[ident]['module'])
+ if not self.value[ident]['import'] and (self.value[ident]['module'] == mod) :
+ return # OK - already defined
+ elif self.value[ident]['import'] and (self.value[ident]['import'] == mod) :
+ return # OK - already imported
+ else:
+ raise DuplicateError("value", ident)
+ self.value[ident] = {'import' : mod, 'proto' : proto,
+ 'ethname' : ''}
+ self.value_imp.append(ident)
+
+ #--- eth_sel_req ------------------------------------------------------------
+ def eth_sel_req(self, typ, sel):
+ key = typ + '.' + sel
+ if key not in self.sel_req:
+ self.sel_req[key] = { 'typ' : typ , 'sel' : sel}
+ self.sel_req_ord.append(key)
+ return key
+
+ #--- eth_comp_req ------------------------------------------------------------
+ def eth_comp_req(self, type):
+ self.comp_req_ord.append(type)
+
+ #--- eth_dep_add ------------------------------------------------------------
+ def eth_dep_add(self, type, dep):
+ if type not in self.type_dep:
+ self.type_dep[type] = []
+ self.type_dep[type].append(dep)
+
+ #--- eth_reg_type -----------------------------------------------------------
+ def eth_reg_type(self, ident, val, mod=None):
+ #print("eth_reg_type(ident='%s', type='%s')" % (ident, val.type))
+ if ident in self.type:
+ if self.type[ident]['import'] and (self.type[ident]['import'] == self.Module()) :
+ # replace imported type
+ del self.type[ident]
+ self.type_imp.remove(ident)
+ else:
+ #print('DuplicateError: import=', self.type[ident]['import'], 'module=', self.Module())
+ raise DuplicateError("type", ident)
+ val.ident = ident
+ self.type[ident] = { 'val' : val, 'import' : None }
+ self.type[ident]['module'] = self.Module()
+ self.type[ident]['proto'] = self.proto
+ if len(ident.split('/')) > 1:
+ self.type[ident]['tname'] = val.eth_tname()
+ else:
+ self.type[ident]['tname'] = asn2c(ident)
+ if mod :
+ mident = "$%s$%s" % (mod, ident)
+ else:
+ mident = None
+ self.type[ident]['export'] = self.conform.use_item('EXPORTS', ident)
+ self.type[ident]['enum'] = self.conform.use_item('MAKE_ENUM', ident)
+ self.type[ident]['vals_ext'] = self.conform.use_item('USE_VALS_EXT', ident)
+ self.type[ident]['user_def'] = self.conform.use_item('USER_DEFINED', ident)
+ if mident and self.conform.check_item('NO_EMIT', mident) :
+ self.type[ident]['no_emit'] = self.conform.use_item('NO_EMIT', mident)
+ else:
+ self.type[ident]['no_emit'] = self.conform.use_item('NO_EMIT', ident)
+ self.type[ident]['tname'] = self.conform.use_item('TYPE_RENAME', ident, val_dflt=self.type[ident]['tname'])
+ self.type[ident]['ethname'] = ''
+ if (val.type == 'Type_Ref') or (val.type == 'TaggedType') or (val.type == 'SelectionType') :
+ self.type[ident]['attr'] = {}
+ else:
+ (ftype, display) = val.eth_ftype(self)
+ self.type[ident]['attr'] = { 'TYPE' : ftype, 'DISPLAY' : display,
+ 'STRINGS' : val.eth_strings(), 'BITMASK' : '0' }
+ self.type[ident]['attr'].update(self.conform.use_item('TYPE_ATTR', ident))
+ self.type_ord.append(ident)
+ # PDU
+ if (self.conform.check_item('PDU', ident)):
+ self.eth_reg_field(ident, ident, impl=val.HasImplicitTag(self), pdu=self.conform.use_item('PDU', ident))
+
+ #--- eth_reg_objectclass ----------------------------------------------------------
+ def eth_reg_objectclass(self, ident, val):
+ #print "eth_reg_objectclass(ident='%s')" % (ident)
+ if ident in self.objectclass:
+ if self.objectclass[ident]['import'] and (self.objectclass[ident]['import'] == self.Module()) :
+ # replace imported object class
+ del self.objectclass[ident]
+ self.objectclass_imp.remove(ident)
+ elif isinstance(self.objectclass[ident]['val'], Class_Ref) and \
+ isinstance(val, Class_Ref) and \
+ (self.objectclass[ident]['val'].val == val.val):
+ pass # ignore duplicated CLASS1 ::= CLASS2
+ else:
+ raise DuplicateError("object class", ident)
+ self.objectclass[ident] = { 'import' : None, 'module' : self.Module(), 'proto' : self.proto }
+ self.objectclass[ident]['val'] = val
+ self.objectclass[ident]['export'] = self.conform.use_item('EXPORTS', ident)
+ self.objectclass_ord.append(ident)
+
+ #--- eth_reg_value ----------------------------------------------------------
+ def eth_reg_value(self, ident, type, value, ethname=None):
+ #print "eth_reg_value(ident='%s')" % (ident)
+ if ident in self.value:
+ if self.value[ident]['import'] and (self.value[ident]['import'] == self.Module()) :
+ # replace imported value
+ del self.value[ident]
+ self.value_imp.remove(ident)
+ elif ethname:
+ self.value[ident]['ethname'] = ethname
+ return
+ else:
+ raise DuplicateError("value", ident)
+ self.value[ident] = { 'import' : None, 'module' : self.Module(), 'proto' : self.proto,
+ 'type' : type, 'value' : value,
+ 'no_emit' : False }
+ self.value[ident]['export'] = self.conform.use_item('EXPORTS', ident)
+ self.value[ident]['ethname'] = ''
+ if (ethname): self.value[ident]['ethname'] = ethname
+ self.value_ord.append(ident)
+
+ #--- eth_reg_field ----------------------------------------------------------
+ def eth_reg_field(self, ident, type, idx='', parent=None, impl=False, pdu=None):
+ #print "eth_reg_field(ident='%s', type='%s')" % (ident, type)
+ if ident in self.field:
+ if pdu and (type == self.field[ident]['type']):
+ pass # OK already created PDU
+ else:
+ raise DuplicateError("field", ident)
+ self.field[ident] = {'type' : type, 'idx' : idx, 'impl' : impl, 'pdu' : pdu,
+ 'modified' : '', 'attr' : {} }
+ name = ident.split('/')[-1]
+ if self.remove_prefix and name.startswith(self.remove_prefix):
+ name = name[len(self.remove_prefix):]
+
+ if len(ident.split('/')) > 1 and name == ITEM_FIELD_NAME: # Sequence/Set of type
+ if len(self.field[ident]['type'].split('/')) > 1:
+ self.field[ident]['attr']['NAME'] = '"%s item"' % ident.split('/')[-2]
+ self.field[ident]['attr']['ABBREV'] = asn2c(ident.split('/')[-2] + name)
+ else:
+ self.field[ident]['attr']['NAME'] = '"%s"' % self.field[ident]['type']
+ self.field[ident]['attr']['ABBREV'] = asn2c(self.field[ident]['type'])
+ else:
+ self.field[ident]['attr']['NAME'] = '"%s"' % name
+ self.field[ident]['attr']['ABBREV'] = asn2c(name)
+ if self.conform.check_item('FIELD_ATTR', ident):
+ self.field[ident]['modified'] = '#' + str(id(self))
+ self.field[ident]['attr'].update(self.conform.use_item('FIELD_ATTR', ident))
+ if (pdu):
+ self.field[ident]['pdu']['export'] = (self.conform.use_item('EXPORTS', ident + '_PDU') != 0)
+ self.pdu_ord.append(ident)
+ else:
+ self.field_ord.append(ident)
+ if parent:
+ self.eth_dep_add(parent, type)
+
+ def eth_dummy_eag_field_required(self):
+ if (not self.dummy_eag_field):
+ self.dummy_eag_field = 'eag_field'
+
+ #--- eth_clean --------------------------------------------------------------
+ def eth_clean(self):
+ self.proto = self.proto_opt;
+ #--- ASN.1 tables ----------------
+ self.assign = {}
+ self.assign_ord = []
+ self.field = {}
+ self.pdu_ord = []
+ self.field_ord = []
+ self.type = {}
+ self.type_ord = []
+ self.type_imp = []
+ self.type_dep = {}
+ self.sel_req = {}
+ self.sel_req_ord = []
+ self.comp_req_ord = []
+ self.vassign = {}
+ self.vassign_ord = []
+ self.value = {}
+ self.value_ord = []
+ self.value_imp = []
+ self.objectclass = {}
+ self.objectclass_ord = []
+ self.objectclass_imp = []
+ self.oassign = {}
+ self.oassign_ord = []
+ self.oassign_cls = {}
+ #--- Modules ------------
+ self.modules = []
+ self.exports_all = False
+ self.exports = []
+ self.cexports = []
+ self.vexports = []
+ #--- types -------------------
+ self.eth_type = {}
+ self.eth_type_ord = []
+ self.eth_export_ord = []
+ self.eth_type_dupl = {}
+ self.named_bit = []
+ #--- value dependencies -------------------
+ self.value_dep = {}
+ #--- values -------------------
+ self.eth_value = {}
+ self.eth_value_ord = []
+ #--- fields -------------------------
+ self.eth_hf = {}
+ self.eth_hf_ord = []
+ self.eth_hfpdu_ord = []
+ self.eth_hf_dupl = {}
+ self.dummy_eag_field = None
+ #--- type dependencies -------------------
+ self.eth_type_ord1 = []
+ self.eth_dep_cycle = []
+ self.dep_cycle_eth_type = {}
+ #--- value dependencies and export -------------------
+ self.eth_value_ord1 = []
+ self.eth_vexport_ord = []
+
+ #--- eth_prepare ------------------------------------------------------------
+ def eth_prepare(self):
+ self.eproto = asn2c(self.proto)
+
+ #--- dummy types/fields for PDU registration ---
+ nm = 'NULL'
+ if (self.conform.check_item('PDU', nm)):
+ self.eth_reg_type('_dummy/'+nm, NullType())
+ self.eth_reg_field(nm, '_dummy/'+nm, pdu=self.conform.use_item('PDU', nm))
+
+ #--- required PDUs ----------------------------
+ for t in self.type_ord:
+ pdu = self.type[t]['val'].eth_need_pdu(self)
+ if not pdu: continue
+ f = pdu['type']
+ pdu['reg'] = None
+ pdu['hidden'] = False
+ pdu['need_decl'] = True
+ if f not in self.field:
+ self.eth_reg_field(f, f, pdu=pdu)
+
+ #--- values -> named values -------------------
+ t_for_update = {}
+ for v in self.value_ord:
+ if (self.value[v]['type'].type == 'Type_Ref') or self.conform.check_item('ASSIGN_VALUE_TO_TYPE', v):
+ if self.conform.check_item('ASSIGN_VALUE_TO_TYPE', v):
+ tnm = self.conform.use_item('ASSIGN_VALUE_TO_TYPE', v)
+ else:
+ tnm = self.value[v]['type'].val
+ if tnm in self.type \
+ and not self.type[tnm]['import'] \
+ and (self.type[tnm]['val'].type == 'IntegerType'):
+ self.type[tnm]['val'].add_named_value(v, self.value[v]['value'])
+ self.value[v]['no_emit'] = True
+ t_for_update[tnm] = True
+ for t in list(t_for_update.keys()):
+ self.type[t]['attr']['STRINGS'] = self.type[t]['val'].eth_strings()
+ self.type[t]['attr'].update(self.conform.use_item('TYPE_ATTR', t))
+
+ #--- required components of ---------------------------
+ #print "self.comp_req_ord = ", self.comp_req_ord
+ for t in self.comp_req_ord:
+ self.type[t]['val'].eth_reg_sub(t, self, components_available=True)
+
+ #--- required selection types ---------------------------
+ #print "self.sel_req_ord = ", self.sel_req_ord
+ for t in self.sel_req_ord:
+ tt = self.sel_req[t]['typ']
+ if tt not in self.type:
+ self.dummy_import_type(t)
+ elif self.type[tt]['import']:
+ self.eth_import_type(t, self.type[tt]['import'], self.type[tt]['proto'])
+ else:
+ self.type[tt]['val'].sel_req(t, self.sel_req[t]['sel'], self)
+
+ #--- types -------------------
+ for t in self.type_imp: # imported types
+ nm = asn2c(t)
+ self.eth_type[nm] = { 'import' : self.type[t]['import'],
+ 'proto' : asn2c(self.type[t]['proto']),
+ 'attr' : {}, 'ref' : []}
+ self.eth_type[nm]['attr'].update(self.conform.use_item('ETYPE_ATTR', nm))
+ self.type[t]['ethname'] = nm
+ for t in self.type_ord: # dummy import for missing type reference
+ tp = self.type[t]['val']
+ #print "X : %s %s " % (t, tp.type)
+ if isinstance(tp, TaggedType):
+ #print "%s : %s " % (tp.type, t)
+ tp = tp.val
+ if isinstance(tp, Type_Ref):
+ #print "%s : %s ::= %s " % (tp.type, t, tp.val)
+ if tp.val not in self.type:
+ self.dummy_import_type(tp.val)
+ for t in self.type_ord:
+ nm = self.type[t]['tname']
+ if ((nm.find('#') >= 0) or
+ ((len(t.split('/'))>1) and
+ (self.conform.get_fn_presence(t) or self.conform.check_item('FN_PARS', t) or
+ self.conform.get_fn_presence('/'.join((t,ITEM_FIELD_NAME))) or self.conform.check_item('FN_PARS', '/'.join((t,ITEM_FIELD_NAME)))) and
+ not self.conform.check_item('TYPE_RENAME', t))):
+ if len(t.split('/')) == 2 and t.split('/')[1] == ITEM_FIELD_NAME: # Sequence of type at the 1st level
+ nm = t.split('/')[0] + t.split('/')[1]
+ elif t.split('/')[-1] == ITEM_FIELD_NAME: # Sequence/Set of type at next levels
+ nm = 'T_' + self.conform.use_item('FIELD_RENAME', '/'.join(t.split('/')[0:-1]), val_dflt=t.split('/')[-2]) + t.split('/')[-1]
+ elif t.split('/')[-1] == UNTAG_TYPE_NAME: # Untagged type
+ nm = self.type['/'.join(t.split('/')[0:-1])]['ethname'] + '_U'
+ else:
+ nm = 'T_' + self.conform.use_item('FIELD_RENAME', t, val_dflt=t.split('/')[-1])
+ nm = asn2c(nm)
+ if nm in self.eth_type:
+ if nm in self.eth_type_dupl:
+ self.eth_type_dupl[nm].append(t)
+ else:
+ self.eth_type_dupl[nm] = [self.eth_type[nm]['ref'][0], t]
+ nm += '_%02d' % (len(self.eth_type_dupl[nm])-1)
+ if nm in self.eth_type:
+ self.eth_type[nm]['ref'].append(t)
+ else:
+ self.eth_type_ord.append(nm)
+ self.eth_type[nm] = { 'import' : None, 'proto' : self.eproto, 'export' : 0, 'enum' : 0, 'vals_ext' : 0,
+ 'user_def' : EF_TYPE|EF_VALS, 'no_emit' : EF_TYPE|EF_VALS,
+ 'val' : self.type[t]['val'],
+ 'attr' : {}, 'ref' : [t]}
+ self.type[t]['ethname'] = nm
+ if (not self.eth_type[nm]['export'] and self.type[t]['export']): # new export
+ self.eth_export_ord.append(nm)
+ self.eth_type[nm]['export'] |= self.type[t]['export']
+ self.eth_type[nm]['enum'] |= self.type[t]['enum']
+ self.eth_type[nm]['vals_ext'] |= self.type[t]['vals_ext']
+ self.eth_type[nm]['user_def'] &= self.type[t]['user_def']
+ self.eth_type[nm]['no_emit'] &= self.type[t]['no_emit']
+ if self.type[t]['attr'].get('STRINGS') == '$$':
+ use_ext = self.type[t]['vals_ext']
+ if (use_ext):
+ self.eth_type[nm]['attr']['STRINGS'] = '&%s_ext' % (self.eth_vals_nm(nm))
+ else:
+ if self.eth_type[nm]['val'].type == 'IntegerType' \
+ and self.eth_type[nm]['val'].HasConstraint() \
+ and self.eth_type[nm]['val'].constr.Needs64b(self):
+ self.eth_type[nm]['attr']['STRINGS'] = 'VALS64(%s)' % (self.eth_vals_nm(nm))
+ else:
+ self.eth_type[nm]['attr']['STRINGS'] = 'VALS(%s)' % (self.eth_vals_nm(nm))
+ self.eth_type[nm]['attr'].update(self.conform.use_item('ETYPE_ATTR', nm))
+ for t in self.eth_type_ord:
+ bits = self.eth_type[t]['val'].eth_named_bits()
+ if (bits):
+ old_val = 0
+ for (val, id) in bits:
+ self.named_bit.append({'name' : id, 'val' : val,
+ 'ethname' : 'hf_%s_%s_%s' % (self.eproto, t, asn2c(id)),
+ 'ftype' : 'FT_BOOLEAN', 'display' : '8',
+ 'strings' : 'NULL',
+ 'bitmask' : '0x'+('80','40','20','10','08','04','02','01')[val%8]})
+ old_val = val + 1
+ if self.eth_type[t]['val'].eth_need_tree():
+ self.eth_type[t]['tree'] = "ett_%s_%s" % (self.eth_type[t]['proto'], t)
+ else:
+ self.eth_type[t]['tree'] = None
+
+ #--- register values from enums ------------
+ for t in self.eth_type_ord:
+ if (self.eth_type[t]['val'].eth_has_enum(t, self)):
+ self.eth_type[t]['val'].reg_enum_vals(t, self)
+
+ #--- value dependencies -------------------
+ for v in self.value_ord:
+ if isinstance (self.value[v]['value'], Value):
+ dep = self.value[v]['value'].get_dep()
+ else:
+ dep = self.value[v]['value']
+ if dep and dep in self.value:
+ self.value_dep.setdefault(v, []).append(dep)
+
+ #--- exports all necessary values
+ for v in self.value_ord:
+ if not self.value[v]['export']: continue
+ deparr = self.value_dep.get(v, [])
+ while deparr:
+ d = deparr.pop()
+ if not self.value[d]['import']:
+ if not self.value[d]['export']:
+ self.value[d]['export'] = EF_TYPE
+ deparr.extend(self.value_dep.get(d, []))
+
+ #--- values -------------------
+ for v in self.value_imp:
+ nm = asn2c(v)
+ self.eth_value[nm] = { 'import' : self.value[v]['import'],
+ 'proto' : asn2c(self.value[v]['proto']),
+ 'ref' : []}
+ self.value[v]['ethname'] = nm
+ for v in self.value_ord:
+ if (self.value[v]['ethname']):
+ continue
+ if (self.value[v]['no_emit']):
+ continue
+ nm = asn2c(v)
+ self.eth_value[nm] = { 'import' : None,
+ 'proto' : asn2c(self.value[v]['proto']),
+ 'export' : self.value[v]['export'], 'ref' : [v] }
+ self.eth_value[nm]['value'] = self.value[v]['value']
+ self.eth_value_ord.append(nm)
+ self.value[v]['ethname'] = nm
+
+ #--- fields -------------------------
+ for f in (self.pdu_ord + self.field_ord):
+ if len(f.split('/')) > 1 and f.split('/')[-1] == ITEM_FIELD_NAME: # Sequence/Set of type
+ nm = self.conform.use_item('FIELD_RENAME', '/'.join(f.split('/')[0:-1]), val_dflt=f.split('/')[-2]) + f.split('/')[-1]
+ else:
+ nm = f.split('/')[-1]
+ nm = self.conform.use_item('FIELD_RENAME', f, val_dflt=nm)
+ nm = asn2c(nm)
+ if (self.field[f]['pdu']):
+ nm += '_PDU'
+ if (not self.merge_modules or self.field[f]['pdu']['export']):
+ nm = self.eproto + '_' + nm
+ t = self.field[f]['type']
+ if t in self.type:
+ ethtype = self.type[t]['ethname']
+ else: # undefined type
+ ethtype = self.dummy_import_type(t)
+ ethtypemod = ethtype + self.field[f]['modified']
+ if nm in self.eth_hf:
+ if nm in self.eth_hf_dupl:
+ if ethtypemod in self.eth_hf_dupl[nm]:
+ nm = self.eth_hf_dupl[nm][ethtypemod]
+ self.eth_hf[nm]['ref'].append(f)
+ self.field[f]['ethname'] = nm
+ continue
+ else:
+ nmx = nm + ('_%02d' % (len(self.eth_hf_dupl[nm])))
+ self.eth_hf_dupl[nm][ethtype] = nmx
+ nm = nmx
+ else:
+ if (self.eth_hf[nm]['ethtype']+self.eth_hf[nm]['modified']) == ethtypemod:
+ self.eth_hf[nm]['ref'].append(f)
+ self.field[f]['ethname'] = nm
+ continue
+ else:
+ nmx = nm + '_01'
+ self.eth_hf_dupl[nm] = {self.eth_hf[nm]['ethtype']+self.eth_hf[nm]['modified'] : nm, \
+ ethtypemod : nmx}
+ nm = nmx
+ if (self.field[f]['pdu']):
+ self.eth_hfpdu_ord.append(nm)
+ else:
+ self.eth_hf_ord.append(nm)
+ fullname = 'hf_%s_%s' % (self.eproto, nm)
+ attr = self.eth_get_type_attr(self.field[f]['type']).copy()
+ attr.update(self.field[f]['attr'])
+ if (self.NAPI() and 'NAME' in attr):
+ attr['NAME'] += self.field[f]['idx']
+ attr.update(self.conform.use_item('EFIELD_ATTR', nm))
+ use_vals_ext = self.eth_type[ethtype].get('vals_ext')
+ if (use_vals_ext):
+ attr['DISPLAY'] += '|BASE_EXT_STRING'
+ self.eth_hf[nm] = {'fullname' : fullname, 'pdu' : self.field[f]['pdu'],
+ 'ethtype' : ethtype, 'modified' : self.field[f]['modified'],
+ 'attr' : attr.copy(),
+ 'ref' : [f]}
+ self.field[f]['ethname'] = nm
+ if (self.dummy_eag_field):
+ # Prepending "dummy_" avoids matching checkhf.pl.
+ self.dummy_eag_field = 'dummy_hf_%s_%s' % (self.eproto, self.dummy_eag_field)
+ #--- type dependencies -------------------
+ (self.eth_type_ord1, self.eth_dep_cycle) = dependency_compute(self.type_ord, self.type_dep, map_fn = lambda t: self.type[t]['ethname'], ignore_fn = lambda t: self.type[t]['import'])
+ i = 0
+ while i < len(self.eth_dep_cycle):
+ t = self.type[self.eth_dep_cycle[i][0]]['ethname']
+ self.dep_cycle_eth_type.setdefault(t, []).append(i)
+ i += 1
+
+ #--- value dependencies and export -------------------
+ for v in self.eth_value_ord:
+ if self.eth_value[v]['export']:
+ self.eth_vexport_ord.append(v)
+ else:
+ self.eth_value_ord1.append(v)
+
+ #--- export tags, values, ... ---
+ for t in self.exports:
+ if t not in self.type:
+ continue
+ if self.type[t]['import']:
+ continue
+ m = self.type[t]['module']
+ if not self.Per() and not self.Oer():
+ if m not in self.all_tags:
+ self.all_tags[m] = {}
+ self.all_tags[m][t] = self.type[t]['val'].GetTTag(self)
+ if m not in self.all_type_attr:
+ self.all_type_attr[m] = {}
+ self.all_type_attr[m][t] = self.eth_get_type_attr(t).copy()
+ for v in self.vexports:
+ if v not in self.value:
+ continue
+ if self.value[v]['import']:
+ continue
+ m = self.value[v]['module']
+ if m not in self.all_vals:
+ self.all_vals[m] = {}
+ vv = self.value[v]['value']
+ if isinstance (vv, Value):
+ vv = vv.to_str(self)
+ self.all_vals[m][v] = vv
+
+ #--- eth_vals_nm ------------------------------------------------------------
+ def eth_vals_nm(self, tname):
+ out = ""
+ if (not self.eth_type[tname]['export'] & EF_NO_PROT):
+ out += "%s_" % (self.eproto)
+ out += "%s_vals" % (tname)
+ return out
+
+ #--- eth_vals ---------------------------------------------------------------
+ def eth_vals(self, tname, vals):
+ out = ""
+ has_enum = self.eth_type[tname]['enum'] & EF_ENUM
+ use_ext = self.eth_type[tname]['vals_ext']
+ if (use_ext):
+ vals.sort(key=lambda vals_entry: int(vals_entry[0]))
+ if (not self.eth_type[tname]['export'] & EF_VALS):
+ out += 'static '
+ if (self.eth_type[tname]['export'] & EF_VALS) and (self.eth_type[tname]['export'] & EF_TABLE):
+ out += 'static '
+ if self.eth_type[tname]['val'].HasConstraint() and self.eth_type[tname]['val'].constr.Needs64b(self) \
+ and self.eth_type[tname]['val'].type == 'IntegerType':
+ out += "const val64_string %s[] = {\n" % (self.eth_vals_nm(tname))
+ else:
+ out += "const value_string %s[] = {\n" % (self.eth_vals_nm(tname))
+ for (val, id) in vals:
+ if (has_enum):
+ vval = self.eth_enum_item(tname, id)
+ else:
+ vval = val
+ out += ' { %3s, "%s" },\n' % (vval, id)
+ out += " { 0, NULL }\n};\n"
+ if (use_ext):
+ out += "\nstatic value_string_ext %s_ext = VALUE_STRING_EXT_INIT(%s);\n" % (self.eth_vals_nm(tname), self.eth_vals_nm(tname))
+ return out
+
+ #--- eth_enum_prefix ------------------------------------------------------------
+ def eth_enum_prefix(self, tname, type=False):
+ out = ""
+ if (self.eth_type[tname]['export'] & EF_ENUM):
+ no_prot = self.eth_type[tname]['export'] & EF_NO_PROT
+ else:
+ no_prot = self.eth_type[tname]['enum'] & EF_NO_PROT
+ if (not no_prot):
+ out += self.eproto
+ if ((not self.eth_type[tname]['enum'] & EF_NO_TYPE) or type):
+ if (out): out += '_'
+ out += tname
+ if (self.eth_type[tname]['enum'] & EF_UCASE):
+ out = out.upper()
+ if (out): out += '_'
+ return out
+
+ #--- eth_enum_nm ------------------------------------------------------------
+ def eth_enum_nm(self, tname):
+ out = self.eth_enum_prefix(tname, type=True)
+ out += "enum"
+ return out
+
+ #--- eth_enum_item ---------------------------------------------------------------
+ def eth_enum_item(self, tname, ident):
+ out = self.eth_enum_prefix(tname)
+ out += asn2c(ident)
+ if (self.eth_type[tname]['enum'] & EF_UCASE):
+ out = out.upper()
+ return out
+
+ #--- eth_enum ---------------------------------------------------------------
+ def eth_enum(self, tname, vals):
+ out = ""
+ if (self.eth_type[tname]['enum'] & EF_DEFINE):
+ out += "/* enumerated values for %s */\n" % (tname)
+ for (val, id) in vals:
+ out += '#define %-12s %3s\n' % (self.eth_enum_item(tname, id), val)
+ else:
+ out += "typedef enum _%s {\n" % (self.eth_enum_nm(tname))
+ first_line = 1
+ for (val, id) in vals:
+ if (first_line == 1):
+ first_line = 0
+ else:
+ out += ",\n"
+ out += ' %-12s = %3s' % (self.eth_enum_item(tname, id), val)
+ out += "\n} %s;\n" % (self.eth_enum_nm(tname))
+ return out
+
+ #--- eth_bits ---------------------------------------------------------------
+ def eth_bits(self, tname, bits):
+ out = ""
+ out += "static int * const "
+ out += "%(TABLE)s[] = {\n"
+ for (val, id) in bits:
+ out += ' &hf_%s_%s_%s,\n' % (self.eproto, tname, asn2c(id))
+ out += " NULL\n};\n"
+ return out
+
+ #--- eth_type_fn_h ----------------------------------------------------------
+ def eth_type_fn_h(self, tname):
+ out = ""
+ if (not self.eth_type[tname]['export'] & EF_TYPE):
+ out += 'static '
+ out += "int "
+ if (self.Ber()):
+ out += "dissect_%s_%s(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_)" % (self.eth_type[tname]['proto'], tname)
+ elif (self.Per() or self.Oer()):
+ out += "dissect_%s_%s(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_)" % (self.eth_type[tname]['proto'], tname)
+ out += ";\n"
+ return out
+
+ #--- eth_fn_call ------------------------------------------------------------
+ def eth_fn_call(self, fname, ret=None, indent=2, par=None):
+ out = indent * ' '
+ if (ret):
+ if (ret == 'return'):
+ out += 'return '
+ else:
+ out += ret + ' = '
+ out += fname + '('
+ ind = len(out)
+ for i in range(len(par)):
+ if (i>0): out += ind * ' '
+ out += ', '.join(par[i])
+ if (i<(len(par)-1)): out += ',\n'
+ out += ');\n'
+ return out
+
+ def output_proto_root(self):
+ out = ''
+ if self.conform.proto_root_name:
+ out += ' proto_item *prot_ti = proto_tree_add_item(tree, ' + self.conform.proto_root_name + ', tvb, 0, -1, ENC_NA);\n'
+ out += ' proto_item_set_hidden(prot_ti);\n'
+ return out
+
+ #--- eth_type_fn_hdr --------------------------------------------------------
+ def eth_type_fn_hdr(self, tname):
+ out = '\n'
+ if (not self.eth_type[tname]['export'] & EF_TYPE):
+ out += 'static '
+ out += "int\n"
+ if (self.Ber()):
+ out += "dissect_%s_%s(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {\n" % (self.eth_type[tname]['proto'], tname)
+ elif (self.Per() or self.Oer()):
+ out += "dissect_%s_%s(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {\n" % (self.eth_type[tname]['proto'], tname)
+ #if self.conform.get_fn_presence(tname):
+ # out += self.conform.get_fn_text(tname, 'FN_HDR')
+ #el
+ if self.conform.check_item('PDU', tname):
+ out += self.output_proto_root()
+
+ cycle_size = 0
+ if self.eth_dep_cycle:
+ for cur_cycle in self.eth_dep_cycle:
+ t = self.type[cur_cycle[0]]['ethname']
+ if t == tname:
+ cycle_size = len(cur_cycle)
+ break
+
+ if cycle_size > 0:
+ out += f'''\
+ const int proto_id = GPOINTER_TO_INT(wmem_list_frame_data(wmem_list_tail(actx->pinfo->layers)));
+ const unsigned cycle_size = {cycle_size};
+ unsigned recursion_depth = p_get_proto_depth(actx->pinfo, proto_id);
+ DISSECTOR_ASSERT(recursion_depth <= MAX_RECURSION_DEPTH);
+ p_set_proto_depth(actx->pinfo, proto_id, recursion_depth + cycle_size);
+'''
+
+ if self.conform.get_fn_presence(self.eth_type[tname]['ref'][0]):
+ out += self.conform.get_fn_text(self.eth_type[tname]['ref'][0], 'FN_HDR')
+ return out
+
+ #--- eth_type_fn_ftr --------------------------------------------------------
+ def eth_type_fn_ftr(self, tname):
+ out = '\n'
+ #if self.conform.get_fn_presence(tname):
+ # out += self.conform.get_fn_text(tname, 'FN_FTR')
+ #el
+
+ add_recursion_check = False
+ if self.eth_dep_cycle:
+ for cur_cycle in self.eth_dep_cycle:
+ t = self.type[cur_cycle[0]]['ethname']
+ if t == tname:
+ add_recursion_check = True
+ break
+
+ if add_recursion_check:
+ out += '''\
+ p_set_proto_depth(actx->pinfo, proto_id, recursion_depth - cycle_size);
+'''
+
+ if self.conform.get_fn_presence(self.eth_type[tname]['ref'][0]):
+ out += self.conform.get_fn_text(self.eth_type[tname]['ref'][0], 'FN_FTR')
+ out += " return offset;\n"
+ out += "}\n"
+ return out
+
+ #--- eth_type_fn_body -------------------------------------------------------
+ def eth_type_fn_body(self, tname, body, pars=None):
+ out = body
+ #if self.conform.get_fn_body_presence(tname):
+ # out = self.conform.get_fn_text(tname, 'FN_BODY')
+ #el
+ if self.conform.get_fn_body_presence(self.eth_type[tname]['ref'][0]):
+ out = self.conform.get_fn_text(self.eth_type[tname]['ref'][0], 'FN_BODY')
+ if pars:
+ try:
+ out = out % pars
+ except (TypeError):
+ pass
+ return out
+
+ #--- eth_out_pdu_decl ----------------------------------------------------------
+ def eth_out_pdu_decl(self, f):
+ t = self.eth_hf[f]['ethtype']
+ out = ''
+ if (not self.eth_hf[f]['pdu']['export']):
+ out += 'static '
+ out += 'int '
+ out += 'dissect_'+f+'(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);\n'
+ return out
+
+ #--- eth_output_hf ----------------------------------------------------------
+ def eth_output_hf (self):
+ if not len(self.eth_hf_ord) and not len(self.eth_hfpdu_ord) and not len(self.named_bit): return
+ fx = self.output.file_open('hf')
+ for f in (self.eth_hfpdu_ord + self.eth_hf_ord):
+ fx.write("%-50s/* %s */\n" % ("static int %s = -1; " % (self.eth_hf[f]['fullname']), self.eth_hf[f]['ethtype']))
+ if (self.named_bit):
+ fx.write('/* named bits */\n')
+ for nb in self.named_bit:
+ fx.write("static int %s = -1;\n" % (nb['ethname']))
+ if (self.dummy_eag_field):
+ fx.write("static int %s = -1; /* never registered */\n" % (self.dummy_eag_field))
+ self.output.file_close(fx)
+
+ #--- eth_output_hf_arr ------------------------------------------------------
+ def eth_output_hf_arr (self):
+ if not len(self.eth_hf_ord) and not len(self.eth_hfpdu_ord) and not len(self.named_bit): return
+ fx = self.output.file_open('hfarr')
+ for f in (self.eth_hfpdu_ord + self.eth_hf_ord):
+ t = self.eth_hf[f]['ethtype']
+ if self.remove_prefix and t.startswith(self.remove_prefix):
+ t = t[len(self.remove_prefix):]
+ name=self.eth_hf[f]['attr']['NAME']
+ try: # Python < 3
+ trantab = maketrans("- ", "__")
+ except Exception:
+ trantab = str.maketrans("- ", "__")
+ name = name.translate(trantab)
+ namelower = name.lower()
+ tquoted_lower = '"' + t.lower() + '"'
+ # Try to avoid giving blurbs that give no more info than the name
+ if tquoted_lower == namelower or \
+ t == "NULL" or \
+ tquoted_lower.replace("t_", "") == namelower:
+ blurb = 'NULL'
+ else:
+ blurb = '"%s"' % (t)
+ attr = self.eth_hf[f]['attr'].copy()
+ if attr['TYPE'] == 'FT_NONE':
+ attr['ABBREV'] = '"%s.%s_element"' % (self.proto, attr['ABBREV'])
+ else:
+ attr['ABBREV'] = '"%s.%s"' % (self.proto, attr['ABBREV'])
+ if 'BLURB' not in attr:
+ attr['BLURB'] = blurb
+ fx.write(' { &%s,\n' % (self.eth_hf[f]['fullname']))
+ fx.write(' { %(NAME)s, %(ABBREV)s,\n' % attr)
+ fx.write(' %(TYPE)s, %(DISPLAY)s, %(STRINGS)s, %(BITMASK)s,\n' % attr)
+ fx.write(' %(BLURB)s, HFILL }},\n' % attr)
+ for nb in self.named_bit:
+ flt_str = nb['ethname']
+ # cut out hf_
+ flt_str = flt_str[3:]
+ flt_str = flt_str.replace('_' , '.')
+ #print("filter string=%s" % (flt_str))
+ fx.write(' { &%s,\n' % (nb['ethname']))
+ fx.write(' { "%s", "%s",\n' % (nb['name'], flt_str))
+ fx.write(' %s, %s, %s, %s,\n' % (nb['ftype'], nb['display'], nb['strings'], nb['bitmask']))
+ fx.write(' NULL, HFILL }},\n')
+ self.output.file_close(fx)
+
+ #--- eth_output_ett ---------------------------------------------------------
+ def eth_output_ett (self):
+ fx = self.output.file_open('ett')
+ fempty = True
+ #fx.write("static gint ett_%s = -1;\n" % (self.eproto))
+ for t in self.eth_type_ord:
+ if self.eth_type[t]['tree']:
+ fx.write("static gint %s = -1;\n" % (self.eth_type[t]['tree']))
+ fempty = False
+ self.output.file_close(fx, discard=fempty)
+
+ #--- eth_output_ett_arr -----------------------------------------------------
+ def eth_output_ett_arr(self):
+ fx = self.output.file_open('ettarr')
+ fempty = True
+ #fx.write(" &ett_%s,\n" % (self.eproto))
+ for t in self.eth_type_ord:
+ if self.eth_type[t]['tree']:
+ fx.write(" &%s,\n" % (self.eth_type[t]['tree']))
+ fempty = False
+ self.output.file_close(fx, discard=fempty)
+
+ #--- eth_output_export ------------------------------------------------------
+ def eth_output_export(self):
+ fx = self.output.file_open('exp', ext='h')
+ for t in self.eth_export_ord: # vals
+ if (self.eth_type[t]['export'] & EF_ENUM) and self.eth_type[t]['val'].eth_has_enum(t, self):
+ fx.write(self.eth_type[t]['val'].eth_type_enum(t, self))
+ if (self.eth_type[t]['export'] & EF_VALS) and self.eth_type[t]['val'].eth_has_vals():
+ if not self.eth_type[t]['export'] & EF_TABLE:
+ if self.eth_type[t]['export'] & EF_WS_DLL:
+ fx.write("WS_DLL_PUBLIC ")
+ else:
+ fx.write("extern ")
+ if self.eth_type[t]['val'].HasConstraint() and self.eth_type[t]['val'].constr.Needs64b(self) \
+ and self.eth_type[t]['val'].type == 'IntegerType':
+ fx.write("const val64_string %s[];\n" % (self.eth_vals_nm(t)))
+ else:
+ fx.write("const value_string %s[];\n" % (self.eth_vals_nm(t)))
+ else:
+ fx.write(self.eth_type[t]['val'].eth_type_vals(t, self))
+ for t in self.eth_export_ord: # functions
+ if (self.eth_type[t]['export'] & EF_TYPE):
+ if self.eth_type[t]['export'] & EF_EXTERN:
+ if self.eth_type[t]['export'] & EF_WS_DLL:
+ fx.write("WS_DLL_PUBLIC ")
+ else:
+ fx.write("extern ")
+ fx.write(self.eth_type_fn_h(t))
+ for f in self.eth_hfpdu_ord: # PDUs
+ if (self.eth_hf[f]['pdu'] and self.eth_hf[f]['pdu']['export']):
+ fx.write(self.eth_out_pdu_decl(f))
+ self.output.file_close(fx)
+
+ #--- eth_output_expcnf ------------------------------------------------------
+ def eth_output_expcnf(self):
+ fx = self.output.file_open('exp', ext='cnf')
+ fx.write('#.MODULE\n')
+ maxw = 0
+ for (m, p) in self.modules:
+ if (len(m) > maxw): maxw = len(m)
+ for (m, p) in self.modules:
+ fx.write("%-*s %s\n" % (maxw, m, p))
+ fx.write('#.END\n\n')
+ for cls in self.objectclass_ord:
+ if self.objectclass[cls]['export']:
+ cnm = cls
+ if self.objectclass[cls]['export'] & EF_MODULE:
+ cnm = "$%s$%s" % (self.objectclass[cls]['module'], cnm)
+ fx.write('#.CLASS %s\n' % (cnm))
+ maxw = 2
+ for fld in self.objectclass[cls]['val'].fields:
+ w = len(fld.fld_repr()[0])
+ if (w > maxw): maxw = w
+ for fld in self.objectclass[cls]['val'].fields:
+ repr = fld.fld_repr()
+ fx.write('%-*s %s\n' % (maxw, repr[0], ' '.join(repr[1:])))
+ fx.write('#.END\n\n')
+ if self.Ber():
+ fx.write('#.IMPORT_TAG\n')
+ for t in self.eth_export_ord: # tags
+ if (self.eth_type[t]['export'] & EF_TYPE):
+ fx.write('%-24s ' % self.eth_type[t]['ref'][0])
+ fx.write('%s %s\n' % self.eth_type[t]['val'].GetTag(self))
+ fx.write('#.END\n\n')
+ fx.write('#.TYPE_ATTR\n')
+ for t in self.eth_export_ord: # attributes
+ if (self.eth_type[t]['export'] & EF_TYPE):
+ tnm = self.eth_type[t]['ref'][0]
+ if self.eth_type[t]['export'] & EF_MODULE:
+ tnm = "$%s$%s" % (self.type[tnm]['module'], tnm)
+ fx.write('%-24s ' % tnm)
+ attr = self.eth_get_type_attr(self.eth_type[t]['ref'][0]).copy()
+ fx.write('TYPE = %(TYPE)-9s DISPLAY = %(DISPLAY)-9s STRINGS = %(STRINGS)s BITMASK = %(BITMASK)s\n' % attr)
+ fx.write('#.END\n\n')
+ self.output.file_close(fx, keep_anyway=True)
+
+ #--- eth_output_val ------------------------------------------------------
+ def eth_output_val(self):
+ fx = self.output.file_open('val', ext='h')
+ for v in self.eth_value_ord1:
+ vv = self.eth_value[v]['value']
+ if isinstance (vv, Value):
+ vv = vv.to_str(self)
+ fx.write("#define %-30s %s\n" % (v, vv))
+ for t in self.eth_type_ord1:
+ if self.eth_type[t]['import']:
+ continue
+ if self.eth_type[t]['val'].eth_has_enum(t, self) and not (self.eth_type[t]['export'] & EF_ENUM):
+ fx.write(self.eth_type[t]['val'].eth_type_enum(t, self))
+ self.output.file_close(fx)
+
+ #--- eth_output_valexp ------------------------------------------------------
+ def eth_output_valexp(self):
+ if (not len(self.eth_vexport_ord)): return
+ fx = self.output.file_open('valexp', ext='h')
+ for v in self.eth_vexport_ord:
+ vv = self.eth_value[v]['value']
+ if isinstance (vv, Value):
+ vv = vv.to_str(self)
+ fx.write("#define %-30s %s\n" % (v, vv))
+ self.output.file_close(fx)
+
+ #--- eth_output_types -------------------------------------------------------
+ def eth_output_types(self):
+ def out_pdu(f):
+ t = self.eth_hf[f]['ethtype']
+ impl = 'FALSE'
+ out = ''
+ if (not self.eth_hf[f]['pdu']['export']):
+ out += 'static '
+ out += 'int '
+ out += 'dissect_'+f+'(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {\n'
+ out += self.output_proto_root()
+
+ out += ' int offset = 0;\n'
+ off_par = 'offset'
+ ret_par = 'offset'
+ if (self.Per()):
+ if (self.Aligned()):
+ aligned = 'TRUE'
+ else:
+ aligned = 'FALSE'
+ out += " asn1_ctx_t asn1_ctx;\n"
+ out += self.eth_fn_call('asn1_ctx_init', par=(('&asn1_ctx', 'ASN1_ENC_PER', aligned, 'pinfo'),))
+ if (self.Ber()):
+ out += " asn1_ctx_t asn1_ctx;\n"
+ out += self.eth_fn_call('asn1_ctx_init', par=(('&asn1_ctx', 'ASN1_ENC_BER', 'TRUE', 'pinfo'),))
+ par=((impl, 'tvb', off_par,'&asn1_ctx', 'tree', self.eth_hf[f]['fullname']),)
+ elif (self.Per()):
+ par=(('tvb', off_par, '&asn1_ctx', 'tree', self.eth_hf[f]['fullname']),)
+ elif (self.Oer()):
+ out += " asn1_ctx_t asn1_ctx;\n"
+ out += self.eth_fn_call('asn1_ctx_init', par=(('&asn1_ctx', 'ASN1_ENC_OER', 'TRUE', 'pinfo'),))
+ par=(('tvb', off_par,'&asn1_ctx', 'tree', self.eth_hf[f]['fullname']),)
+ else:
+ par=((),)
+ out += self.eth_fn_call('dissect_%s_%s' % (self.eth_type[t]['proto'], t), ret=ret_par, par=par)
+ if (self.Per()):
+ out += ' offset += 7; offset >>= 3;\n'
+ out += ' return offset;\n'
+ out += '}\n'
+ return out
+ #end out_pdu()
+ fx = self.output.file_open('fn')
+ pos = fx.tell()
+ if (len(self.eth_hfpdu_ord)):
+ first_decl = True
+ for f in self.eth_hfpdu_ord:
+ if (self.eth_hf[f]['pdu'] and self.eth_hf[f]['pdu']['need_decl']):
+ if first_decl:
+ fx.write('/*--- PDUs declarations ---*/\n')
+ first_decl = False
+ fx.write(self.eth_out_pdu_decl(f))
+ if not first_decl:
+ fx.write('\n')
+
+ add_depth_define = False
+ if self.eth_dep_cycle:
+ fx.write('/*--- Cyclic dependencies ---*/\n\n')
+ i = 0
+ while i < len(self.eth_dep_cycle):
+ t = self.type[self.eth_dep_cycle[i][0]]['ethname']
+ if self.dep_cycle_eth_type[t][0] != i: i += 1; continue
+ add_depth_define = True
+ fx.write(''.join(['/* %s */\n' % ' -> '.join(self.eth_dep_cycle[i]) for i in self.dep_cycle_eth_type[t]]))
+ if not self.eth_type[t]['export'] & EF_TYPE:
+ fx.write(self.eth_type_fn_h(t))
+ else:
+ fx.write('/*' + self.eth_type_fn_h(t).strip() + '*/\n')
+ fx.write('\n')
+ i += 1
+ fx.write('\n')
+ if add_depth_define:
+ fx.write('#define MAX_RECURSION_DEPTH 100 // Arbitrarily chosen.\n')
+ for t in self.eth_type_ord1:
+ if self.eth_type[t]['import']:
+ continue
+ if self.eth_type[t]['val'].eth_has_vals():
+ if self.eth_type[t]['no_emit'] & EF_VALS:
+ pass
+ elif self.eth_type[t]['user_def'] & EF_VALS:
+ if self.eth_type[t]['val'].HasConstraint() and self.eth_type[t]['val'].constr.Needs64b(self) \
+ and self.eth_type[t]['val'].type == 'IntegerType':
+ fx.write("extern const val64_string %s[];\n" % (self.eth_vals_nm(t)))
+ else:
+ fx.write("extern const value_string %s[];\n" % (self.eth_vals_nm(t)))
+ elif (self.eth_type[t]['export'] & EF_VALS) and (self.eth_type[t]['export'] & EF_TABLE):
+ pass
+ else:
+ fx.write(self.eth_type[t]['val'].eth_type_vals(t, self))
+ if self.eth_type[t]['no_emit'] & EF_TYPE:
+ pass
+ elif self.eth_type[t]['user_def'] & EF_TYPE:
+ fx.write(self.eth_type_fn_h(t))
+ else:
+ fx.write(self.eth_type[t]['val'].eth_type_fn(self.eth_type[t]['proto'], t, self))
+ fx.write('\n')
+ if (len(self.eth_hfpdu_ord)):
+ fx.write('/*--- PDUs ---*/\n\n')
+ for f in self.eth_hfpdu_ord:
+ if (self.eth_hf[f]['pdu']):
+ if (f in self.emitted_pdu):
+ fx.write(" /* %s already emitted */\n" % (f))
+ else:
+ fx.write(out_pdu(f))
+ self.emitted_pdu[f] = True
+ fx.write('\n')
+ fempty = pos == fx.tell()
+ self.output.file_close(fx, discard=fempty)
+
+ #--- eth_output_dis_hnd -----------------------------------------------------
+ def eth_output_dis_hnd(self):
+ fx = self.output.file_open('dis-hnd')
+ fempty = True
+ for f in self.eth_hfpdu_ord:
+ pdu = self.eth_hf[f]['pdu']
+ if (pdu and pdu['reg'] and not pdu['hidden']):
+ dis = self.proto
+ if (pdu['reg'] != '.'):
+ dis += '.' + pdu['reg']
+ fx.write('static dissector_handle_t %s_handle;\n' % (asn2c(dis)))
+ fempty = False
+ fx.write('\n')
+ self.output.file_close(fx, discard=fempty)
+
+ #--- eth_output_dis_reg -----------------------------------------------------
+ def eth_output_dis_reg(self):
+ fx = self.output.file_open('dis-reg')
+ fempty = True
+ for f in self.eth_hfpdu_ord:
+ pdu = self.eth_hf[f]['pdu']
+ if (pdu and pdu['reg']):
+ new_prefix = ''
+ if (pdu['new']): new_prefix = 'new_'
+ dis = self.proto
+ if (pdu['reg'] != '.'): dis += '.' + pdu['reg']
+ fx.write(' %sregister_dissector("%s", dissect_%s, proto_%s);\n' % (new_prefix, dis, f, self.eproto))
+ if (not pdu['hidden']):
+ fx.write(' %s_handle = find_dissector("%s");\n' % (asn2c(dis), dis))
+ fempty = False
+ fx.write('\n')
+ self.output.file_close(fx, discard=fempty)
+
+ #--- eth_output_dis_tab -----------------------------------------------------
+ def eth_output_dis_tab(self):
+ fx = self.output.file_open('dis-tab')
+ fempty = True
+ for k in self.conform.get_order('REGISTER'):
+ reg = self.conform.use_item('REGISTER', k)
+ if reg['pdu'] not in self.field: continue
+ f = self.field[reg['pdu']]['ethname']
+ pdu = self.eth_hf[f]['pdu']
+ new_prefix = ''
+ if (pdu['new']): new_prefix = 'new_'
+ if (reg['rtype'] in ('NUM', 'STR')):
+ rstr = ''
+ if (reg['rtype'] == 'STR'):
+ rstr = 'string'
+ else:
+ rstr = 'uint'
+ if (pdu['reg']):
+ dis = self.proto
+ if (pdu['reg'] != '.'): dis += '.' + pdu['reg']
+ if (not pdu['hidden']):
+ hnd = '%s_handle' % (asn2c(dis))
+ else:
+ hnd = 'find_dissector("%s")' % (dis)
+ else:
+ hnd = '%screate_dissector_handle(dissect_%s, proto_%s)' % (new_prefix, f, self.eproto)
+ rport = self.value_get_eth(reg['rport'])
+ fx.write(' dissector_add_%s("%s", %s, %s);\n' % (rstr, reg['rtable'], rport, hnd))
+ elif (reg['rtype'] in ('BER', 'PER', 'OER')):
+ roid = self.value_get_eth(reg['roid'])
+ fx.write(' %sregister_%s_oid_dissector(%s, dissect_%s, proto_%s, %s);\n' % (new_prefix, reg['rtype'].lower(), roid, f, self.eproto, reg['roidname']))
+ fempty = False
+ fx.write('\n')
+ self.output.file_close(fx, discard=fempty)
+
+ #--- eth_output_syn_reg -----------------------------------------------------
+ def eth_output_syn_reg(self):
+ fx = self.output.file_open('syn-reg')
+ fempty = True
+ first_decl = True
+ for k in self.conform.get_order('SYNTAX'):
+ reg = self.conform.use_item('SYNTAX', k)
+ if reg['pdu'] not in self.field: continue
+ f = self.field[reg['pdu']]['ethname']
+ pdu = self.eth_hf[f]['pdu']
+ new_prefix = ''
+ if (pdu['new']): new_prefix = 'new_'
+ if first_decl:
+ fx.write(' /*--- Syntax registrations ---*/\n')
+ first_decl = False
+ fx.write(' %sregister_ber_syntax_dissector(%s, proto_%s, dissect_%s_PDU);\n' % (new_prefix, k, self.eproto, reg['pdu']));
+ fempty=False
+ self.output.file_close(fx, discard=fempty)
+
+ #--- eth_output_tables -----------------------------------------------------
+ def eth_output_tables(self):
+ for num in list(self.conform.report.keys()):
+ fx = self.output.file_open('table' + num)
+ for rep in self.conform.report[num]:
+ self.eth_output_table(fx, rep)
+ self.output.file_close(fx)
+
+ #--- eth_output_table -----------------------------------------------------
+ def eth_output_table(self, fx, rep):
+ if rep['type'] == 'HDR':
+ fx.write('\n')
+ if rep['var']:
+ var = rep['var']
+ var_list = var.split('.', 1)
+ cls = var_list[0]
+ del var_list[0]
+ flds = []
+ not_flds = []
+ sort_flds = []
+ for f in var_list:
+ if f[0] == '!':
+ not_flds.append(f[1:])
+ continue
+ if f[0] == '#':
+ flds.append(f[1:])
+ sort_flds.append(f)
+ continue
+ if f[0] == '@':
+ flds.append(f[1:])
+ sort_flds.append(f[1:])
+ continue
+ flds.append(f)
+ objs = {}
+ objs_ord = []
+ if (cls in self.oassign_cls):
+ for ident in self.oassign_cls[cls]:
+ obj = self.get_obj_repr(ident, flds, not_flds)
+ if not obj:
+ continue
+ obj['_LOOP'] = var
+ obj['_DICT'] = str(obj)
+ objs[ident] = obj
+ objs_ord.append(ident)
+ if (sort_flds):
+ # Sort identifiers according to the matching object in objs.
+ # The order is determined by sort_flds, keys prefixed by a
+ # '#' are compared numerically.
+ def obj_key_fn(name):
+ obj = objs[name]
+ return list(
+ int(obj[f[1:]]) if f[0] == '#' else obj[f]
+ for f in sort_flds
+ )
+ objs_ord.sort(key=obj_key_fn)
+ for ident in objs_ord:
+ obj = objs[ident]
+ try:
+ text = rep['text'] % obj
+ except (KeyError):
+ raise sys.exc_info()[0]("%s:%s invalid key %s for information object %s of %s" % (rep['fn'], rep['lineno'], sys.exc_info()[1], ident, var))
+ fx.write(text)
+ else:
+ fx.write("/* Unknown or empty loop list %s */\n" % (var))
+ else:
+ fx.write(rep['text'])
+ if rep['type'] == 'FTR':
+ fx.write('\n')
+
+ #--- dupl_report -----------------------------------------------------
+ def dupl_report(self):
+ # types
+ tmplist = sorted(self.eth_type_dupl.keys())
+ for t in tmplist:
+ msg = "The same type names for different types. Explicit type renaming is recommended.\n"
+ msg += t + "\n"
+ for tt in self.eth_type_dupl[t]:
+ msg += " %-20s %s\n" % (self.type[tt]['ethname'], tt)
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+ # fields
+ tmplist = list(self.eth_hf_dupl.keys())
+ tmplist.sort()
+ for f in tmplist:
+ msg = "The same field names for different types. Explicit field renaming is recommended.\n"
+ msg += f + "\n"
+ for tt in list(self.eth_hf_dupl[f].keys()):
+ msg += " %-20s %-20s " % (self.eth_hf_dupl[f][tt], tt)
+ msg += ", ".join(self.eth_hf[self.eth_hf_dupl[f][tt]]['ref'])
+ msg += "\n"
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+
+ #--- eth_do_output ------------------------------------------------------------
+ def eth_do_output(self):
+ if self.dbg('a'):
+ print("\n# Assignments")
+ for a in self.assign_ord:
+ v = ' '
+ if (self.assign[a]['virt']): v = '*'
+ print('{} {}'.format(v, a))
+ print("\n# Value assignments")
+ for a in self.vassign_ord:
+ print(' {}'.format(a))
+ print("\n# Information object assignments")
+ for a in self.oassign_ord:
+ print(" %-12s (%s)" % (a, self.oassign[a].cls))
+ if self.dbg('t'):
+ print("\n# Imported Types")
+ print("%-40s %-24s %-24s" % ("ASN.1 name", "Module", "Protocol"))
+ print("-" * 100)
+ for t in self.type_imp:
+ print("%-40s %-24s %-24s" % (t, self.type[t]['import'], self.type[t]['proto']))
+ print("\n# Imported Values")
+ print("%-40s %-24s %-24s" % ("ASN.1 name", "Module", "Protocol"))
+ print("-" * 100)
+ for t in self.value_imp:
+ print("%-40s %-24s %-24s" % (t, self.value[t]['import'], self.value[t]['proto']))
+ print("\n# Imported Object Classes")
+ print("%-40s %-24s %-24s" % ("ASN.1 name", "Module", "Protocol"))
+ print("-" * 100)
+ for t in self.objectclass_imp:
+ print("%-40s %-24s %-24s" % (t, self.objectclass[t]['import'], self.objectclass[t]['proto']))
+ print("\n# Exported Types")
+ print("%-31s %s" % ("Wireshark type", "Export Flag"))
+ print("-" * 100)
+ for t in self.eth_export_ord:
+ print("%-31s 0x%02X" % (t, self.eth_type[t]['export']))
+ print("\n# Exported Values")
+ print("%-40s %s" % ("Wireshark name", "Value"))
+ print("-" * 100)
+ for v in self.eth_vexport_ord:
+ vv = self.eth_value[v]['value']
+ if isinstance (vv, Value):
+ vv = vv.to_str(self)
+ print("%-40s %s" % (v, vv))
+ print("\n# ASN.1 Object Classes")
+ print("%-40s %-24s %-24s" % ("ASN.1 name", "Module", "Protocol"))
+ print("-" * 100)
+ for t in self.objectclass_ord:
+ print("%-40s " % (t))
+ print("\n# ASN.1 Types")
+ print("%-49s %-24s %-24s" % ("ASN.1 unique name", "'tname'", "Wireshark type"))
+ print("-" * 100)
+ for t in self.type_ord:
+ print("%-49s %-24s %-24s" % (t, self.type[t]['tname'], self.type[t]['ethname']))
+ print("\n# Wireshark Types")
+ print("Wireshark type References (ASN.1 types)")
+ print("-" * 100)
+ for t in self.eth_type_ord:
+ sys.stdout.write("%-31s %d" % (t, len(self.eth_type[t]['ref'])))
+ print(', '.join(self.eth_type[t]['ref']))
+ print("\n# ASN.1 Values")
+ print("%-40s %-18s %-20s %s" % ("ASN.1 unique name", "Type", "Value", "Wireshark value"))
+ print("-" * 100)
+ for v in self.value_ord:
+ vv = self.value[v]['value']
+ if isinstance (vv, Value):
+ vv = vv.to_str(self)
+ print("%-40s %-18s %-20s %s" % (v, self.value[v]['type'].eth_tname(), vv, self.value[v]['ethname']))
+ #print "\n# Wireshark Values"
+ #print "%-40s %s" % ("Wireshark name", "Value")
+ #print "-" * 100
+ #for v in self.eth_value_ord:
+ # vv = self.eth_value[v]['value']
+ # if isinstance (vv, Value):
+ # vv = vv.to_str(self)
+ # print "%-40s %s" % (v, vv)
+ print("\n# ASN.1 Fields")
+ print("ASN.1 unique name Wireshark name ASN.1 type")
+ print("-" * 100)
+ for f in (self.pdu_ord + self.field_ord):
+ print("%-40s %-20s %s" % (f, self.field[f]['ethname'], self.field[f]['type']))
+ print("\n# Wireshark Fields")
+ print("Wireshark name Wireshark type References (ASN.1 fields)")
+ print("-" * 100)
+ for f in (self.eth_hfpdu_ord + self.eth_hf_ord):
+ sys.stdout.write("%-30s %-20s %s" % (f, self.eth_hf[f]['ethtype'], len(self.eth_hf[f]['ref'])))
+ print(', '.join(self.eth_hf[f]['ref']))
+ #print "\n# Order after dependencies"
+ #print '\n'.join(self.eth_type_ord1)
+ print("\n# Cyclic dependencies")
+ for c in self.eth_dep_cycle:
+ print(' -> '.join(c))
+ self.dupl_report()
+ self.output.outnm = self.outnm_opt
+ if (not self.output.outnm):
+ self.output.outnm = self.proto
+ self.output.outnm = self.output.outnm.replace('.', '-')
+ if not self.justexpcnf:
+ self.eth_output_hf()
+ self.eth_output_ett()
+ self.eth_output_types()
+ self.eth_output_hf_arr()
+ self.eth_output_ett_arr()
+ self.eth_output_export()
+ self.eth_output_val()
+ self.eth_output_valexp()
+ self.eth_output_dis_hnd()
+ self.eth_output_dis_reg()
+ self.eth_output_dis_tab()
+ self.eth_output_syn_reg()
+ self.eth_output_tables()
+ if self.expcnf:
+ self.eth_output_expcnf()
+
+ def dbg_modules(self):
+ def print_mod(m):
+ sys.stdout.write("%-30s " % (m))
+ dep = self.module[m][:]
+ for i in range(len(dep)):
+ if dep[i] not in self.module:
+ dep[i] = '*' + dep[i]
+ print(', '.join(dep))
+ # end of print_mod()
+ (mod_ord, mod_cyc) = dependency_compute(self.module_ord, self.module, ignore_fn = lambda t: t not in self.module)
+ print("\n# ASN.1 Moudules")
+ print("Module name Dependency")
+ print("-" * 100)
+ new_ord = False
+ for m in (self.module_ord):
+ print_mod(m)
+ new_ord = new_ord or (self.module_ord.index(m) != mod_ord.index(m))
+ if new_ord:
+ print("\n# ASN.1 Moudules - in dependency order")
+ print("Module name Dependency")
+ print("-" * 100)
+ for m in (mod_ord):
+ print_mod(m)
+ if mod_cyc:
+ print("\nCyclic dependencies:")
+ for i in (list(range(len(mod_cyc)))):
+ print("%02d: %s" % (i + 1, str(mod_cyc[i])))
+
+
+#--- EthCnf -------------------------------------------------------------------
+class EthCnf:
+ def __init__(self):
+ self.ectx = None
+ self.tblcfg = {}
+ self.table = {}
+ self.order = {}
+ self.fn = {}
+ self.report = {}
+ self.suppress_line = False
+ self.include_path = []
+ self.proto_root_name = None
+ # Value name Default value Duplicity check Usage check
+ self.tblcfg['EXPORTS'] = { 'val_nm' : 'flag', 'val_dflt' : 0, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['MAKE_ENUM'] = { 'val_nm' : 'flag', 'val_dflt' : 0, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['USE_VALS_EXT'] = { 'val_nm' : 'flag', 'val_dflt' : 0, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['PDU'] = { 'val_nm' : 'attr', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['SYNTAX'] = { 'val_nm' : 'attr', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['REGISTER'] = { 'val_nm' : 'attr', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['USER_DEFINED'] = { 'val_nm' : 'flag', 'val_dflt' : 0, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['NO_EMIT'] = { 'val_nm' : 'flag', 'val_dflt' : 0, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['MODULE'] = { 'val_nm' : 'proto', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : False }
+ self.tblcfg['OMIT_ASSIGNMENT'] = { 'val_nm' : 'omit', 'val_dflt' : False, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['NO_OMIT_ASSGN'] = { 'val_nm' : 'omit', 'val_dflt' : True, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['VIRTUAL_ASSGN'] = { 'val_nm' : 'name', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['SET_TYPE'] = { 'val_nm' : 'type', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['TYPE_RENAME'] = { 'val_nm' : 'eth_name', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['FIELD_RENAME'] = { 'val_nm' : 'eth_name', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['IMPORT_TAG'] = { 'val_nm' : 'ttag', 'val_dflt' : (), 'chk_dup' : True, 'chk_use' : False }
+ self.tblcfg['FN_PARS'] = { 'val_nm' : 'pars', 'val_dflt' : {}, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['TYPE_ATTR'] = { 'val_nm' : 'attr', 'val_dflt' : {}, 'chk_dup' : True, 'chk_use' : False }
+ self.tblcfg['ETYPE_ATTR'] = { 'val_nm' : 'attr', 'val_dflt' : {}, 'chk_dup' : True, 'chk_use' : False }
+ self.tblcfg['FIELD_ATTR'] = { 'val_nm' : 'attr', 'val_dflt' : {}, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['EFIELD_ATTR'] = { 'val_nm' : 'attr', 'val_dflt' : {}, 'chk_dup' : True, 'chk_use' : True }
+ self.tblcfg['ASSIGNED_ID'] = { 'val_nm' : 'ids', 'val_dflt' : {}, 'chk_dup' : False,'chk_use' : False }
+ self.tblcfg['ASSIGN_VALUE_TO_TYPE'] = { 'val_nm' : 'name', 'val_dflt' : None, 'chk_dup' : True, 'chk_use' : True }
+
+ for k in list(self.tblcfg.keys()) :
+ self.table[k] = {}
+ self.order[k] = []
+
+ def add_item(self, table, key, fn, lineno, **kw):
+ if self.tblcfg[table]['chk_dup'] and key in self.table[table]:
+ warnings.warn_explicit("Duplicated %s for %s. Previous one is at %s:%d" %
+ (table, key, self.table[table][key]['fn'], self.table[table][key]['lineno']),
+ UserWarning, fn, lineno)
+ return
+ self.table[table][key] = {'fn' : fn, 'lineno' : lineno, 'used' : False}
+ self.table[table][key].update(kw)
+ self.order[table].append(key)
+
+ def update_item(self, table, key, fn, lineno, **kw):
+ if key not in self.table[table]:
+ self.table[table][key] = {'fn' : fn, 'lineno' : lineno, 'used' : False}
+ self.order[table].append(key)
+ self.table[table][key][self.tblcfg[table]['val_nm']] = {}
+ self.table[table][key][self.tblcfg[table]['val_nm']].update(kw[self.tblcfg[table]['val_nm']])
+
+ def get_order(self, table):
+ return self.order[table]
+
+ def check_item(self, table, key):
+ return key in self.table[table]
+
+ def copy_item(self, table, dst_key, src_key):
+ if (src_key in self.table[table]):
+ self.table[table][dst_key] = self.table[table][src_key]
+
+ def check_item_value(self, table, key, **kw):
+ return key in self.table[table] and kw.get('val_nm', self.tblcfg[table]['val_nm']) in self.table[table][key]
+
+ def use_item(self, table, key, **kw):
+ vdflt = kw.get('val_dflt', self.tblcfg[table]['val_dflt'])
+ if key not in self.table[table]: return vdflt
+ vname = kw.get('val_nm', self.tblcfg[table]['val_nm'])
+ #print "use_item() - set used for %s %s" % (table, key)
+ self.table[table][key]['used'] = True
+ return self.table[table][key].get(vname, vdflt)
+
+ def omit_assignment(self, type, ident, module):
+ if self.ectx.conform.use_item('OMIT_ASSIGNMENT', ident):
+ return True
+ if self.ectx.conform.use_item('OMIT_ASSIGNMENT', '*') or \
+ self.ectx.conform.use_item('OMIT_ASSIGNMENT', '*'+type) or \
+ self.ectx.conform.use_item('OMIT_ASSIGNMENT', '*/'+module) or \
+ self.ectx.conform.use_item('OMIT_ASSIGNMENT', '*'+type+'/'+module):
+ return self.ectx.conform.use_item('NO_OMIT_ASSGN', ident)
+ return False
+
+ def add_fn_line(self, name, ctx, line, fn, lineno):
+ if name not in self.fn:
+ self.fn[name] = {'FN_HDR' : None, 'FN_FTR' : None, 'FN_BODY' : None}
+ if (self.fn[name][ctx]):
+ self.fn[name][ctx]['text'] += line
+ else:
+ self.fn[name][ctx] = {'text' : line, 'used' : False,
+ 'fn' : fn, 'lineno' : lineno}
+ def get_fn_presence(self, name):
+ #print "get_fn_presence('%s'):%s" % (name, str(self.fn.has_key(name)))
+ #if self.fn.has_key(name): print self.fn[name]
+ return name in self.fn
+ def get_fn_body_presence(self, name):
+ return name in self.fn and self.fn[name]['FN_BODY']
+ def get_fn_text(self, name, ctx):
+ if (name not in self.fn):
+ return '';
+ if (not self.fn[name][ctx]):
+ return '';
+ self.fn[name][ctx]['used'] = True
+ out = self.fn[name][ctx]['text']
+ if (not self.suppress_line):
+ out = '#line %u "%s"\n%s\n' % (self.fn[name][ctx]['lineno'], rel_dissector_path(self.fn[name][ctx]['fn']), out);
+ return out
+
+ def add_pdu(self, par, fn, lineno):
+ #print "add_pdu(par=%s, %s, %d)" % (str(par), fn, lineno)
+ (reg, hidden) = (None, False)
+ if (len(par) > 1): reg = par[1]
+ if (reg and reg[0]=='@'): (reg, hidden) = (reg[1:], True)
+ attr = {'new' : False, 'reg' : reg, 'hidden' : hidden, 'need_decl' : False, 'export' : False}
+ self.add_item('PDU', par[0], attr=attr, fn=fn, lineno=lineno)
+ return
+
+ def add_syntax(self, par, fn, lineno):
+ #print "add_syntax(par=%s, %s, %d)" % (str(par), fn, lineno)
+ if( (len(par) >=2)):
+ name = par[1]
+ else:
+ name = '"'+par[0]+'"'
+ attr = { 'pdu' : par[0] }
+ self.add_item('SYNTAX', name, attr=attr, fn=fn, lineno=lineno)
+ return
+
+ def add_register(self, pdu, par, fn, lineno):
+ #print "add_register(pdu=%s, par=%s, %s, %d)" % (pdu, str(par), fn, lineno)
+ if (par[0] in ('N', 'NUM')): rtype = 'NUM'; (pmin, pmax) = (2, 2)
+ elif (par[0] in ('S', 'STR')): rtype = 'STR'; (pmin, pmax) = (2, 2)
+ elif (par[0] in ('B', 'BER')): rtype = 'BER'; (pmin, pmax) = (1, 2)
+ elif (par[0] in ('P', 'PER')): rtype = 'PER'; (pmin, pmax) = (1, 2)
+ elif (par[0] in ('O', 'OER')): rtype = 'OER'; (pmin, pmax) = (1, 2)
+ else: warnings.warn_explicit("Unknown registration type '%s'" % (par[2]), UserWarning, fn, lineno); return
+ if ((len(par)-1) < pmin):
+ warnings.warn_explicit("Too few parameters for %s registration type. At least %d parameters are required" % (rtype, pmin), UserWarning, fn, lineno)
+ return
+ if ((len(par)-1) > pmax):
+ warnings.warn_explicit("Too many parameters for %s registration type. Only %d parameters are allowed" % (rtype, pmax), UserWarning, fn, lineno)
+ attr = {'pdu' : pdu, 'rtype' : rtype}
+ if (rtype in ('NUM', 'STR')):
+ attr['rtable'] = par[1]
+ attr['rport'] = par[2]
+ rkey = '/'.join([rtype, attr['rtable'], attr['rport']])
+ elif (rtype in ('BER', 'PER', 'OER')):
+ attr['roid'] = par[1]
+ attr['roidname'] = '""'
+ if (len(par)>=3):
+ attr['roidname'] = par[2]
+ elif attr['roid'][0] != '"':
+ attr['roidname'] = '"' + attr['roid'] + '"'
+ rkey = '/'.join([rtype, attr['roid']])
+ self.add_item('REGISTER', rkey, attr=attr, fn=fn, lineno=lineno)
+
+ def check_par(self, par, pmin, pmax, fn, lineno):
+ for i in range(len(par)):
+ if par[i] == '-':
+ par[i] = None
+ continue
+ if par[i][0] == '#':
+ par[i:] = []
+ break
+ if len(par) < pmin:
+ warnings.warn_explicit("Too few parameters. At least %d parameters are required" % (pmin), UserWarning, fn, lineno)
+ return None
+ if (pmax >= 0) and (len(par) > pmax):
+ warnings.warn_explicit("Too many parameters. Only %d parameters are allowed" % (pmax), UserWarning, fn, lineno)
+ return par[0:pmax]
+ return par
+
+ def read(self, fn):
+ def get_par(line, pmin, pmax, fn, lineno):
+ par = line.split(None, pmax)
+ par = self.check_par(par, pmin, pmax, fn, lineno)
+ return par
+
+ def get_par_nm(line, pmin, pmax, fn, lineno):
+ if pmax:
+ par = line.split(None, pmax)
+ else:
+ par = [line,]
+ for i in range(len(par)):
+ if par[i][0] == '#':
+ par[i:] = []
+ break
+ if len(par) < pmin:
+ warnings.warn_explicit("Too few parameters. At least %d parameters are required" % (pmin), UserWarning, fn, lineno)
+ return None
+ if len(par) > pmax:
+ nmpar = par[pmax]
+ else:
+ nmpar = ''
+ nmpars = {}
+ nmpar_first = re.compile(r'^\s*(?P<attr>[_A-Z][_A-Z0-9]*)\s*=\s*')
+ nmpar_next = re.compile(r'\s+(?P<attr>[_A-Z][_A-Z0-9]*)\s*=\s*')
+ nmpar_end = re.compile(r'\s*$')
+ result = nmpar_first.search(nmpar)
+ pos = 0
+ while result:
+ k = result.group('attr')
+ pos = result.end()
+ result = nmpar_next.search(nmpar, pos)
+ p1 = pos
+ if result:
+ p2 = result.start()
+ else:
+ p2 = nmpar_end.search(nmpar, pos).start()
+ v = nmpar[p1:p2]
+ nmpars[k] = v
+ if len(par) > pmax:
+ par[pmax] = nmpars
+ return par
+
+ f = open(fn, "r")
+ lineno = 0
+ is_import = False
+ directive = re.compile(r'^\s*#\.(?P<name>[A-Z_][A-Z_0-9]*)(\s+|$)')
+ cdirective = re.compile(r'^\s*##')
+ report = re.compile(r'^TABLE(?P<num>\d*)_(?P<type>HDR|BODY|FTR)$')
+ comment = re.compile(r'^\s*#[^.#]')
+ empty = re.compile(r'^\s*$')
+ ctx = None
+ name = ''
+ default_flags = 0x00
+ stack = []
+ while True:
+ if not f.closed:
+ line = f.readline()
+ lineno += 1
+ else:
+ line = None
+ if not line:
+ if not f.closed:
+ f.close()
+ if stack:
+ frec = stack.pop()
+ fn, f, lineno, is_import = frec['fn'], frec['f'], frec['lineno'], frec['is_import']
+ continue
+ else:
+ break
+ if comment.search(line): continue
+ result = directive.search(line)
+ if result: # directive
+ rep_result = report.search(result.group('name'))
+ if result.group('name') == 'END_OF_CNF':
+ f.close()
+ elif result.group('name') == 'OPT':
+ ctx = result.group('name')
+ par = get_par(line[result.end():], 0, -1, fn=fn, lineno=lineno)
+ if not par: continue
+ self.set_opt(par[0], par[1:], fn, lineno)
+ ctx = None
+ elif result.group('name') in ('PDU', 'REGISTER',
+ 'MODULE', 'MODULE_IMPORT',
+ 'OMIT_ASSIGNMENT', 'NO_OMIT_ASSGN',
+ 'VIRTUAL_ASSGN', 'SET_TYPE', 'ASSIGN_VALUE_TO_TYPE',
+ 'TYPE_RENAME', 'FIELD_RENAME', 'TF_RENAME', 'IMPORT_TAG',
+ 'TYPE_ATTR', 'ETYPE_ATTR', 'FIELD_ATTR', 'EFIELD_ATTR',
+ 'SYNTAX'):
+ ctx = result.group('name')
+ elif result.group('name') in ('OMIT_ALL_ASSIGNMENTS', 'OMIT_ASSIGNMENTS_EXCEPT',
+ 'OMIT_ALL_TYPE_ASSIGNMENTS', 'OMIT_TYPE_ASSIGNMENTS_EXCEPT',
+ 'OMIT_ALL_VALUE_ASSIGNMENTS', 'OMIT_VALUE_ASSIGNMENTS_EXCEPT'):
+ ctx = result.group('name')
+ key = '*'
+ if ctx in ('OMIT_ALL_TYPE_ASSIGNMENTS', 'OMIT_TYPE_ASSIGNMENTS_EXCEPT'):
+ key += 'T'
+ if ctx in ('OMIT_ALL_VALUE_ASSIGNMENTS', 'OMIT_VALUE_ASSIGNMENTS_EXCEPT'):
+ key += 'V'
+ par = get_par(line[result.end():], 0, 1, fn=fn, lineno=lineno)
+ if par:
+ key += '/' + par[0]
+ self.add_item('OMIT_ASSIGNMENT', key, omit=True, fn=fn, lineno=lineno)
+ if ctx in ('OMIT_ASSIGNMENTS_EXCEPT', 'OMIT_TYPE_ASSIGNMENTS_EXCEPT', 'OMIT_VALUE_ASSIGNMENTS_EXCEPT'):
+ ctx = 'NO_OMIT_ASSGN'
+ else:
+ ctx = None
+ elif result.group('name') in ('EXPORTS', 'MODULE_EXPORTS', 'USER_DEFINED', 'NO_EMIT'):
+ ctx = result.group('name')
+ default_flags = EF_TYPE|EF_VALS
+ if ctx == 'MODULE_EXPORTS':
+ ctx = 'EXPORTS'
+ default_flags |= EF_MODULE
+ if ctx == 'EXPORTS':
+ par = get_par(line[result.end():], 0, 5, fn=fn, lineno=lineno)
+ else:
+ par = get_par(line[result.end():], 0, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ p = 1
+ if (par[0] == 'WITH_VALS'): default_flags |= EF_TYPE|EF_VALS
+ elif (par[0] == 'WITHOUT_VALS'): default_flags |= EF_TYPE; default_flags &= ~EF_VALS
+ elif (par[0] == 'ONLY_VALS'): default_flags &= ~EF_TYPE; default_flags |= EF_VALS
+ elif (ctx == 'EXPORTS'): p = 0
+ else: warnings.warn_explicit("Unknown parameter value '%s'" % (par[0]), UserWarning, fn, lineno)
+ for i in range(p, len(par)):
+ if (par[i] == 'ONLY_ENUM'): default_flags &= ~(EF_TYPE|EF_VALS); default_flags |= EF_ENUM
+ elif (par[i] == 'WITH_ENUM'): default_flags |= EF_ENUM
+ elif (par[i] == 'VALS_WITH_TABLE'): default_flags |= EF_TABLE
+ elif (par[i] == 'WS_DLL'): default_flags |= EF_WS_DLL
+ elif (par[i] == 'EXTERN'): default_flags |= EF_EXTERN
+ elif (par[i] == 'NO_PROT_PREFIX'): default_flags |= EF_NO_PROT
+ else: warnings.warn_explicit("Unknown parameter value '%s'" % (par[i]), UserWarning, fn, lineno)
+ elif result.group('name') in ('MAKE_ENUM', 'MAKE_DEFINES'):
+ ctx = result.group('name')
+ default_flags = EF_ENUM
+ if ctx == 'MAKE_ENUM': default_flags |= EF_NO_PROT|EF_NO_TYPE
+ if ctx == 'MAKE_DEFINES': default_flags |= EF_DEFINE|EF_UCASE|EF_NO_TYPE
+ par = get_par(line[result.end():], 0, 3, fn=fn, lineno=lineno)
+ for i in range(0, len(par)):
+ if (par[i] == 'NO_PROT_PREFIX'): default_flags |= EF_NO_PROT
+ elif (par[i] == 'PROT_PREFIX'): default_flags &= ~ EF_NO_PROT
+ elif (par[i] == 'NO_TYPE_PREFIX'): default_flags |= EF_NO_TYPE
+ elif (par[i] == 'TYPE_PREFIX'): default_flags &= ~ EF_NO_TYPE
+ elif (par[i] == 'UPPER_CASE'): default_flags |= EF_UCASE
+ elif (par[i] == 'NO_UPPER_CASE'): default_flags &= ~EF_UCASE
+ else: warnings.warn_explicit("Unknown parameter value '%s'" % (par[i]), UserWarning, fn, lineno)
+ elif result.group('name') == 'USE_VALS_EXT':
+ ctx = result.group('name')
+ default_flags = 0xFF
+ elif result.group('name') == 'FN_HDR':
+ minp = 1
+ if (ctx in ('FN_PARS',)) and name: minp = 0
+ par = get_par(line[result.end():], minp, 1, fn=fn, lineno=lineno)
+ if (not par) and (minp > 0): continue
+ ctx = result.group('name')
+ if par: name = par[0]
+ elif result.group('name') == 'FN_FTR':
+ minp = 1
+ if (ctx in ('FN_PARS','FN_HDR')) and name: minp = 0
+ par = get_par(line[result.end():], minp, 1, fn=fn, lineno=lineno)
+ if (not par) and (minp > 0): continue
+ ctx = result.group('name')
+ if par: name = par[0]
+ elif result.group('name') == 'FN_BODY':
+ par = get_par_nm(line[result.end():], 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ ctx = result.group('name')
+ name = par[0]
+ if len(par) > 1:
+ self.add_item('FN_PARS', name, pars=par[1], fn=fn, lineno=lineno)
+ elif result.group('name') == 'FN_PARS':
+ par = get_par_nm(line[result.end():], 0, 1, fn=fn, lineno=lineno)
+ ctx = result.group('name')
+ if not par:
+ name = None
+ elif len(par) == 1:
+ name = par[0]
+ self.add_item(ctx, name, pars={}, fn=fn, lineno=lineno)
+ elif len(par) > 1:
+ self.add_item(ctx, par[0], pars=par[1], fn=fn, lineno=lineno)
+ ctx = None
+ elif result.group('name') == 'CLASS':
+ par = get_par(line[result.end():], 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ ctx = result.group('name')
+ name = par[0]
+ add_class_ident(name)
+ if not name.split('$')[-1].isupper():
+ warnings.warn_explicit("No lower-case letters shall be included in information object class name (%s)" % (name),
+ UserWarning, fn, lineno)
+ elif result.group('name') == 'ASSIGNED_OBJECT_IDENTIFIER':
+ par = get_par(line[result.end():], 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ self.update_item('ASSIGNED_ID', 'OBJECT_IDENTIFIER', ids={par[0] : par[0]}, fn=fn, lineno=lineno)
+ elif rep_result: # Reports
+ num = rep_result.group('num')
+ type = rep_result.group('type')
+ if type == 'BODY':
+ par = get_par(line[result.end():], 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ else:
+ par = get_par(line[result.end():], 0, 0, fn=fn, lineno=lineno)
+ rep = { 'type' : type, 'var' : None, 'text' : '', 'fn' : fn, 'lineno' : lineno }
+ if len(par) > 0:
+ rep['var'] = par[0]
+ self.report.setdefault(num, []).append(rep)
+ ctx = 'TABLE'
+ name = num
+ elif result.group('name') in ('INCLUDE', 'IMPORT') :
+ is_imp = result.group('name') == 'IMPORT'
+ par = get_par(line[result.end():], 1, 1, fn=fn, lineno=lineno)
+ if not par:
+ warnings.warn_explicit("%s requires parameter" % (result.group('name'),), UserWarning, fn, lineno)
+ continue
+ fname = par[0]
+ #print "Try include: %s" % (fname)
+ if (not os.path.exists(fname)):
+ fname = os.path.join(os.path.split(fn)[0], par[0])
+ #print "Try include: %s" % (fname)
+ i = 0
+ while not os.path.exists(fname) and (i < len(self.include_path)):
+ fname = os.path.join(self.include_path[i], par[0])
+ #print "Try include: %s" % (fname)
+ i += 1
+ if (not os.path.exists(fname)):
+ if is_imp:
+ continue # just ignore
+ else:
+ fname = par[0] # report error
+ fnew = open(fname, "r")
+ stack.append({'fn' : fn, 'f' : f, 'lineno' : lineno, 'is_import' : is_import})
+ fn, f, lineno, is_import = par[0], fnew, 0, is_imp
+ elif result.group('name') == 'END':
+ ctx = None
+ else:
+ warnings.warn_explicit("Unknown directive '%s'" % (result.group('name')), UserWarning, fn, lineno)
+ continue
+ if not ctx:
+ if not empty.match(line):
+ warnings.warn_explicit("Non-empty line in empty context", UserWarning, fn, lineno)
+ elif ctx == 'OPT':
+ if empty.match(line): continue
+ par = get_par(line, 1, -1, fn=fn, lineno=lineno)
+ if not par: continue
+ self.set_opt(par[0], par[1:], fn, lineno)
+ elif ctx in ('EXPORTS', 'USER_DEFINED', 'NO_EMIT'):
+ if empty.match(line): continue
+ if ctx == 'EXPORTS':
+ par = get_par(line, 1, 6, fn=fn, lineno=lineno)
+ else:
+ par = get_par(line, 1, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ flags = default_flags
+ p = 2
+ if (len(par)>=2):
+ if (par[1] == 'WITH_VALS'): flags |= EF_TYPE|EF_VALS
+ elif (par[1] == 'WITHOUT_VALS'): flags |= EF_TYPE; flags &= ~EF_VALS
+ elif (par[1] == 'ONLY_VALS'): flags &= ~EF_TYPE; flags |= EF_VALS
+ elif (ctx == 'EXPORTS'): p = 1
+ else: warnings.warn_explicit("Unknown parameter value '%s'" % (par[1]), UserWarning, fn, lineno)
+ for i in range(p, len(par)):
+ if (par[i] == 'ONLY_ENUM'): flags &= ~(EF_TYPE|EF_VALS); flags |= EF_ENUM
+ elif (par[i] == 'WITH_ENUM'): flags |= EF_ENUM
+ elif (par[i] == 'VALS_WITH_TABLE'): flags |= EF_TABLE
+ elif (par[i] == 'WS_DLL'): flags |= EF_WS_DLL
+ elif (par[i] == 'EXTERN'): flags |= EF_EXTERN
+ elif (par[i] == 'NO_PROT_PREFIX'): flags |= EF_NO_PROT
+ else: warnings.warn_explicit("Unknown parameter value '%s'" % (par[i]), UserWarning, fn, lineno)
+ self.add_item(ctx, par[0], flag=flags, fn=fn, lineno=lineno)
+ elif ctx in ('MAKE_ENUM', 'MAKE_DEFINES'):
+ if empty.match(line): continue
+ par = get_par(line, 1, 4, fn=fn, lineno=lineno)
+ if not par: continue
+ flags = default_flags
+ for i in range(1, len(par)):
+ if (par[i] == 'NO_PROT_PREFIX'): flags |= EF_NO_PROT
+ elif (par[i] == 'PROT_PREFIX'): flags &= ~ EF_NO_PROT
+ elif (par[i] == 'NO_TYPE_PREFIX'): flags |= EF_NO_TYPE
+ elif (par[i] == 'TYPE_PREFIX'): flags &= ~ EF_NO_TYPE
+ elif (par[i] == 'UPPER_CASE'): flags |= EF_UCASE
+ elif (par[i] == 'NO_UPPER_CASE'): flags &= ~EF_UCASE
+ else: warnings.warn_explicit("Unknown parameter value '%s'" % (par[i]), UserWarning, fn, lineno)
+ self.add_item('MAKE_ENUM', par[0], flag=flags, fn=fn, lineno=lineno)
+ elif ctx == 'USE_VALS_EXT':
+ if empty.match(line): continue
+ par = get_par(line, 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ flags = default_flags
+ self.add_item('USE_VALS_EXT', par[0], flag=flags, fn=fn, lineno=lineno)
+ elif ctx == 'PDU':
+ if empty.match(line): continue
+ par = get_par(line, 1, 5, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_pdu(par[0:2], fn, lineno)
+ if (len(par)>=3):
+ self.add_register(par[0], par[2:5], fn, lineno)
+ elif ctx == 'SYNTAX':
+ if empty.match(line): continue
+ par = get_par(line, 1, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ if not self.check_item('PDU', par[0]):
+ self.add_pdu(par[0:1], fn, lineno)
+ self.add_syntax(par, fn, lineno)
+ elif ctx == 'REGISTER':
+ if empty.match(line): continue
+ par = get_par(line, 3, 4, fn=fn, lineno=lineno)
+ if not par: continue
+ if not self.check_item('PDU', par[0]):
+ self.add_pdu(par[0:1], fn, lineno)
+ self.add_register(par[0], par[1:4], fn, lineno)
+ elif ctx in ('MODULE', 'MODULE_IMPORT'):
+ if empty.match(line): continue
+ par = get_par(line, 2, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item('MODULE', par[0], proto=par[1], fn=fn, lineno=lineno)
+ elif ctx == 'IMPORT_TAG':
+ if empty.match(line): continue
+ par = get_par(line, 3, 3, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item(ctx, par[0], ttag=(par[1], par[2]), fn=fn, lineno=lineno)
+ elif ctx == 'OMIT_ASSIGNMENT':
+ if empty.match(line): continue
+ par = get_par(line, 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item(ctx, par[0], omit=True, fn=fn, lineno=lineno)
+ elif ctx == 'NO_OMIT_ASSGN':
+ if empty.match(line): continue
+ par = get_par(line, 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item(ctx, par[0], omit=False, fn=fn, lineno=lineno)
+ elif ctx == 'VIRTUAL_ASSGN':
+ if empty.match(line): continue
+ par = get_par(line, 2, -1, fn=fn, lineno=lineno)
+ if not par: continue
+ if (len(par[1].split('/')) > 1) and not self.check_item('SET_TYPE', par[1]):
+ self.add_item('SET_TYPE', par[1], type=par[0], fn=fn, lineno=lineno)
+ self.add_item('VIRTUAL_ASSGN', par[1], name=par[0], fn=fn, lineno=lineno)
+ for nm in par[2:]:
+ self.add_item('SET_TYPE', nm, type=par[0], fn=fn, lineno=lineno)
+ if not par[0][0].isupper():
+ warnings.warn_explicit("Virtual assignment should have uppercase name (%s)" % (par[0]),
+ UserWarning, fn, lineno)
+ elif ctx == 'SET_TYPE':
+ if empty.match(line): continue
+ par = get_par(line, 2, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ if not self.check_item('VIRTUAL_ASSGN', par[0]):
+ self.add_item('SET_TYPE', par[0], type=par[1], fn=fn, lineno=lineno)
+ if not par[1][0].isupper():
+ warnings.warn_explicit("Set type should have uppercase name (%s)" % (par[1]),
+ UserWarning, fn, lineno)
+ elif ctx == 'ASSIGN_VALUE_TO_TYPE':
+ if empty.match(line): continue
+ par = get_par(line, 2, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item(ctx, par[0], name=par[1], fn=fn, lineno=lineno)
+ elif ctx == 'TYPE_RENAME':
+ if empty.match(line): continue
+ par = get_par(line, 2, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item('TYPE_RENAME', par[0], eth_name=par[1], fn=fn, lineno=lineno)
+ if not par[1][0].isupper():
+ warnings.warn_explicit("Type should be renamed to uppercase name (%s)" % (par[1]),
+ UserWarning, fn, lineno)
+ elif ctx == 'FIELD_RENAME':
+ if empty.match(line): continue
+ par = get_par(line, 2, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item('FIELD_RENAME', par[0], eth_name=par[1], fn=fn, lineno=lineno)
+ if not par[1][0].islower():
+ warnings.warn_explicit("Field should be renamed to lowercase name (%s)" % (par[1]),
+ UserWarning, fn, lineno)
+ elif ctx == 'TF_RENAME':
+ if empty.match(line): continue
+ par = get_par(line, 2, 2, fn=fn, lineno=lineno)
+ if not par: continue
+ tmpu = par[1][0].upper() + par[1][1:]
+ tmpl = par[1][0].lower() + par[1][1:]
+ self.add_item('TYPE_RENAME', par[0], eth_name=tmpu, fn=fn, lineno=lineno)
+ if not tmpu[0].isupper():
+ warnings.warn_explicit("Type should be renamed to uppercase name (%s)" % (par[1]),
+ UserWarning, fn, lineno)
+ self.add_item('FIELD_RENAME', par[0], eth_name=tmpl, fn=fn, lineno=lineno)
+ if not tmpl[0].islower():
+ warnings.warn_explicit("Field should be renamed to lowercase name (%s)" % (par[1]),
+ UserWarning, fn, lineno)
+ elif ctx in ('TYPE_ATTR', 'ETYPE_ATTR', 'FIELD_ATTR', 'EFIELD_ATTR'):
+ if empty.match(line): continue
+ par = get_par_nm(line, 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ self.add_item(ctx, par[0], attr=par[1], fn=fn, lineno=lineno)
+ elif ctx == 'FN_PARS':
+ if empty.match(line): continue
+ if name:
+ par = get_par_nm(line, 0, 0, fn=fn, lineno=lineno)
+ else:
+ par = get_par_nm(line, 1, 1, fn=fn, lineno=lineno)
+ if not par: continue
+ if name:
+ self.update_item(ctx, name, pars=par[0], fn=fn, lineno=lineno)
+ else:
+ self.add_item(ctx, par[0], pars=par[1], fn=fn, lineno=lineno)
+ elif ctx in ('FN_HDR', 'FN_FTR', 'FN_BODY'):
+ result = cdirective.search(line)
+ if result: # directive
+ line = '#' + line[result.end():]
+ self.add_fn_line(name, ctx, line, fn=fn, lineno=lineno)
+ elif ctx == 'CLASS':
+ if empty.match(line): continue
+ par = get_par(line, 1, 3, fn=fn, lineno=lineno)
+ if not par: continue
+ if not set_type_to_class(name, par[0], par[1:]):
+ warnings.warn_explicit("Could not set type of class member %s.&%s to %s" % (name, par[0], par[1]),
+ UserWarning, fn, lineno)
+ elif ctx == 'TABLE':
+ self.report[name][-1]['text'] += line
+
+ def set_opt(self, opt, par, fn, lineno):
+ #print("set_opt: %s, %s" % (opt, par))
+ if opt in ("-I",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.include_path.append(relpath(par[0]))
+ elif opt in ("-b", "BER", "CER", "DER"):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.encoding = 'ber'
+ elif opt in ("PER",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.encoding = 'per'
+ elif opt in ("OER",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.encoding = 'oer'
+ elif opt in ("-p", "PROTO"):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.proto_opt = par[0]
+ self.ectx.merge_modules = True
+ elif opt in ("ALIGNED",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.aligned = True
+ elif opt in ("-u", "UNALIGNED"):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.aligned = False
+ elif opt in ("PROTO_ROOT_NAME"):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.proto_root_name = par[0]
+ elif opt in ("-d",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.dbgopt = par[0]
+ elif opt in ("-e",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.expcnf = True
+ elif opt in ("-S",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.merge_modules = True
+ elif opt in ("GROUP_BY_PROT",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.group_by_prot = True
+ elif opt in ("-o",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.outnm_opt = par[0]
+ elif opt in ("-O",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.output.outdir = relpath(par[0])
+ elif opt in ("-s",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.output.single_file = relpath(par[0])
+ elif opt in ("-k",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.ectx.output.keep = True
+ elif opt in ("-L",):
+ par = self.check_par(par, 0, 0, fn, lineno)
+ self.suppress_line = True
+ elif opt in ("EMBEDDED_PDV_CB",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.default_embedded_pdv_cb = par[0]
+ elif opt in ("EXTERNAL_TYPE_CB",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.default_external_type_cb = par[0]
+ elif opt in ("-r",):
+ par = self.check_par(par, 1, 1, fn, lineno)
+ if not par: return
+ self.ectx.remove_prefix = par[0]
+ else:
+ warnings.warn_explicit("Unknown option %s" % (opt),
+ UserWarning, fn, lineno)
+
+ def dbg_print(self):
+ print("\n# Conformance values")
+ print("%-15s %-4s %-15s %-20s %s" % ("File", "Line", "Table", "Key", "Value"))
+ print("-" * 100)
+ tbls = sorted(self.table.keys())
+ for t in tbls:
+ keys = sorted(self.table[t].keys())
+ for k in keys:
+ print("%-15s %4s %-15s %-20s %s" % (
+ self.table[t][k]['fn'], self.table[t][k]['lineno'], t, k, str(self.table[t][k][self.tblcfg[t]['val_nm']])))
+
+ def unused_report(self):
+ tbls = sorted(self.table.keys())
+ for t in tbls:
+ if not self.tblcfg[t]['chk_use']: continue
+ keys = sorted(self.table[t].keys())
+ for k in keys:
+ if not self.table[t][k]['used']:
+ warnings.warn_explicit("Unused %s for %s" % (t, k),
+ UserWarning, self.table[t][k]['fn'], self.table[t][k]['lineno'])
+ fnms = list(self.fn.keys())
+ fnms.sort()
+ for f in fnms:
+ keys = sorted(self.fn[f].keys())
+ for k in keys:
+ if not self.fn[f][k]: continue
+ if not self.fn[f][k]['used']:
+ warnings.warn_explicit("Unused %s for %s" % (k, f),
+ UserWarning, self.fn[f][k]['fn'], self.fn[f][k]['lineno'])
+
+#--- EthOut -------------------------------------------------------------------
+class EthOut:
+ def __init__(self):
+ self.ectx = None
+ self.outnm = None
+ self.outdir = '.'
+ self.single_file = None
+ self.created_files = {}
+ self.created_files_ord = []
+ self.keep = False
+
+ def outcomment(self, ln, comment=None):
+ if comment:
+ return '%s %s\n' % (comment, ln)
+ else:
+ return '/* %-74s */\n' % (ln)
+
+ def created_file_add(self, name, keep_anyway):
+ name = os.path.normcase(os.path.abspath(name))
+ if name not in self.created_files:
+ self.created_files_ord.append(name)
+ self.created_files[name] = keep_anyway
+ else:
+ self.created_files[name] = self.created_files[name] or keep_anyway
+
+ def created_file_exists(self, name):
+ name = os.path.normcase(os.path.abspath(name))
+ return name in self.created_files
+
+ #--- output_fname -------------------------------------------------------
+ def output_fname(self, ftype, ext='c'):
+ fn = ''
+ if not ext in ('cnf',):
+ fn += 'packet-'
+ fn += self.outnm
+ if (ftype):
+ fn += '-' + ftype
+ fn += '.' + ext
+ return fn
+ #--- file_open -------------------------------------------------------
+ def file_open(self, ftype, ext='c'):
+ fn = self.output_fname(ftype, ext=ext)
+ if self.created_file_exists(fn):
+ fx = open(fn, 'a')
+ else:
+ fx = open(fn, 'w')
+ comment = None
+ if ext in ('cnf',):
+ comment = '#'
+ fx.write(self.fhdr(fn, comment = comment))
+ else:
+ if (not self.single_file and not self.created_file_exists(fn)):
+ fx.write(self.fhdr(fn))
+ if not self.ectx.merge_modules:
+ fx.write('\n')
+ mstr = "--- "
+ if self.ectx.groups():
+ mstr += "Module"
+ if (len(self.ectx.modules) > 1):
+ mstr += "s"
+ for (m, p) in self.ectx.modules:
+ mstr += " %s" % (m)
+ else:
+ mstr += "Module %s" % (self.ectx.Module())
+ mstr += " --- --- ---"
+ fx.write(self.outcomment(mstr, comment))
+ fx.write('\n')
+ return fx
+ #--- file_close -------------------------------------------------------
+ def file_close(self, fx, discard=False, keep_anyway=False):
+ fx.close()
+ if discard and not self.created_file_exists(fx.name):
+ os.unlink(fx.name)
+ else:
+ self.created_file_add(fx.name, keep_anyway)
+ #--- fhdr -------------------------------------------------------
+ def fhdr(self, fn, comment=None):
+ out = ''
+ out += self.outcomment('Do not modify this file. Changes will be overwritten.', comment)
+ out += self.outcomment('Generated automatically by the ASN.1 to Wireshark dissector compiler', comment)
+ out += self.outcomment(os.path.basename(fn), comment)
+ out += self.outcomment(' '.join(['asn2wrs.py'] + sys.argv[1:]), comment)
+ out += '\n'
+ # Make Windows path separator look like Unix path separator
+ out = out.replace('\\', '/')
+ # Change absolute paths and relative paths generated outside
+ # source directory to paths relative to asn1/<proto> subdir.
+ out = re.sub(r'(\s)[./A-Z]\S*/dissectors\b', r'\1../..', out)
+ out = re.sub(r'(\s)[./A-Z]\S*/asn1/\S*?([\s/])', r'\1.\2', out)
+ return out
+
+ #--- dbg_print -------------------------------------------------------
+ def dbg_print(self):
+ print("\n# Output files")
+ print("\n".join(self.created_files_ord))
+ print("\n")
+
+ #--- make_single_file -------------------------------------------------------
+ def make_single_file(self, suppress_line):
+ if (not self.single_file): return
+ in_nm = self.single_file + '.c'
+ out_nm = os.path.join(self.outdir, self.output_fname(''))
+ self.do_include(out_nm, in_nm, suppress_line)
+ in_nm = self.single_file + '.h'
+ if (os.path.exists(in_nm)):
+ out_nm = os.path.join(self.outdir, self.output_fname('', ext='h'))
+ self.do_include(out_nm, in_nm, suppress_line)
+ if (not self.keep):
+ for fn in self.created_files_ord:
+ if not self.created_files[fn]:
+ os.unlink(fn)
+
+ #--- do_include -------------------------------------------------------
+ def do_include(self, out_nm, in_nm, suppress_line):
+ def check_file(fn, fnlist):
+ fnfull = os.path.normcase(os.path.abspath(fn))
+ if (fnfull in fnlist and os.path.exists(fnfull)):
+ return os.path.normpath(fn)
+ return None
+ fin = open(in_nm, "r")
+ fout = open(out_nm, "w")
+ fout.write(self.fhdr(out_nm))
+ if (not suppress_line):
+ fout.write('/* Input file: ' + os.path.basename(in_nm) +' */\n')
+ fout.write('\n')
+ fout.write('#line %u "%s"\n' % (1, rel_dissector_path(in_nm)))
+
+ include = re.compile(r'^\s*#\s*include\s+[<"](?P<fname>[^>"]+)[>"]', re.IGNORECASE)
+
+ cont_linenum = 0;
+
+ while (True):
+ cont_linenum = cont_linenum + 1;
+ line = fin.readline()
+ if (line == ''): break
+ ifile = None
+ result = include.search(line)
+ #if (result): print os.path.normcase(os.path.abspath(result.group('fname')))
+ if (result):
+ ifile = check_file(os.path.join(os.path.split(in_nm)[0], result.group('fname')), self.created_files)
+ if (not ifile):
+ ifile = check_file(os.path.join(self.outdir, result.group('fname')), self.created_files)
+ if (not ifile):
+ ifile = check_file(result.group('fname'), self.created_files)
+ if (ifile):
+ if (not suppress_line):
+ fout.write('\n')
+ fout.write('/*--- Included file: ' + ifile + ' ---*/\n')
+ fout.write('#line %u "%s"\n' % (1, rel_dissector_path(ifile)))
+ finc = open(ifile, "r")
+ fout.write(finc.read())
+ if (not suppress_line):
+ fout.write('\n')
+ fout.write('/*--- End of included file: ' + ifile + ' ---*/\n')
+ fout.write('#line %u "%s"\n' % (cont_linenum+1, rel_dissector_path(in_nm)) )
+ finc.close()
+ else:
+ fout.write(line)
+
+ fout.close()
+ fin.close()
+
+
+#--- Node ---------------------------------------------------------------------
+class Node:
+ def __init__(self,*args, **kw):
+ if len (args) == 0:
+ self.type = self.__class__.__name__
+ else:
+ assert (len(args) == 1)
+ self.type = args[0]
+ self.__dict__.update (kw)
+ def str_child (self, key, child, depth):
+ indent = " " * (2 * depth)
+ keystr = indent + key + ": "
+ if key == 'type': # already processed in str_depth
+ return ""
+ if isinstance (child, Node): # ugh
+ return keystr + "\n" + child.str_depth (depth+1)
+ if isinstance(child, type ([])):
+ l = []
+ for x in child:
+ if isinstance (x, Node):
+ l.append (x.str_depth (depth+1))
+ else:
+ l.append (indent + " " + str(x) + "\n")
+ return keystr + "[\n" + ''.join(l) + indent + "]\n"
+ else:
+ return keystr + str (child) + "\n"
+ def str_depth (self, depth): # ugh
+ indent = " " * (2 * depth)
+ l = ["%s%s" % (indent, self.type)]
+ l.append ("".join ([self.str_child (k_v[0], k_v[1], depth + 1) for k_v in list(self.__dict__.items ())]))
+ return "\n".join (l)
+ def __repr__(self):
+ return "\n" + self.str_depth (0)
+ def to_python (self, ctx):
+ return self.str_depth (ctx.indent_lev)
+
+ def eth_reg(self, ident, ectx):
+ pass
+
+ def fld_obj_repr(self, ectx):
+ return "/* TO DO %s */" % (str(self))
+
+
+#--- ValueAssignment -------------------------------------------------------------
+class ValueAssignment (Node):
+ def __init__(self,*args, **kw) :
+ Node.__init__ (self,*args, **kw)
+
+ def eth_reg(self, ident, ectx):
+ if ectx.conform.omit_assignment('V', self.ident, ectx.Module()): return # Assignment to omit
+ ectx.eth_reg_vassign(self)
+ ectx.eth_reg_value(self.ident, self.typ, self.val)
+
+#--- ObjectAssignment -------------------------------------------------------------
+class ObjectAssignment (Node):
+ def __init__(self,*args, **kw) :
+ Node.__init__ (self,*args, **kw)
+
+ def __eq__(self, other):
+ if self.cls != other.cls:
+ return False
+ if len(self.val) != len(other.val):
+ return False
+ for f in (list(self.val.keys())):
+ if f not in other.val:
+ return False
+ if isinstance(self.val[f], Node) and isinstance(other.val[f], Node):
+ if not self.val[f].fld_obj_eq(other.val[f]):
+ return False
+ else:
+ if str(self.val[f]) != str(other.val[f]):
+ return False
+ return True
+
+ def eth_reg(self, ident, ectx):
+ def make_virtual_type(cls, field, prefix):
+ if isinstance(self.val, str): return
+ if field in self.val and not isinstance(self.val[field], Type_Ref):
+ vnm = prefix + '-' + self.ident
+ virtual_tr = Type_Ref(val = vnm)
+ t = self.val[field]
+ self.val[field] = virtual_tr
+ ectx.eth_reg_assign(vnm, t, virt=True)
+ ectx.eth_reg_type(vnm, t)
+ t.eth_reg_sub(vnm, ectx)
+ if field in self.val and ectx.conform.check_item('PDU', cls + '.' + field):
+ ectx.eth_reg_field(self.val[field].val, self.val[field].val, impl=self.val[field].HasImplicitTag(ectx), pdu=ectx.conform.use_item('PDU', cls + '.' + field))
+ return
+ # end of make_virtual_type()
+ if ectx.conform.omit_assignment('V', self.ident, ectx.Module()): return # Assignment to omit
+ self.module = ectx.Module()
+ ectx.eth_reg_oassign(self)
+ if (self.cls == 'TYPE-IDENTIFIER') or (self.cls == 'ABSTRACT-SYNTAX'):
+ make_virtual_type(self.cls, '&Type', 'TYPE')
+ if (self.cls == 'OPERATION'):
+ make_virtual_type(self.cls, '&ArgumentType', 'ARG')
+ make_virtual_type(self.cls, '&ResultType', 'RES')
+ if (self.cls == 'ERROR'):
+ make_virtual_type(self.cls, '&ParameterType', 'PAR')
+
+
+#--- Type ---------------------------------------------------------------------
+class Type (Node):
+ def __init__(self,*args, **kw) :
+ self.name = None
+ self.constr = None
+ self.tags = []
+ self.named_list = None
+ Node.__init__ (self,*args, **kw)
+
+ def IsNamed(self):
+ if self.name is None :
+ return False
+ else:
+ return True
+
+ def HasConstraint(self):
+ if self.constr is None :
+ return False
+ else :
+ return True
+
+ def HasSizeConstraint(self):
+ return self.HasConstraint() and self.constr.IsSize()
+
+ def HasValueConstraint(self):
+ return self.HasConstraint() and self.constr.IsValue()
+
+ def HasPermAlph(self):
+ return self.HasConstraint() and self.constr.IsPermAlph()
+
+ def HasContentsConstraint(self):
+ return self.HasConstraint() and self.constr.IsContents()
+
+ def HasOwnTag(self):
+ return len(self.tags) > 0
+
+ def HasImplicitTag(self, ectx):
+ return (self.HasOwnTag() and self.tags[0].IsImplicit(ectx))
+
+ def IndetermTag(self, ectx):
+ return False
+
+ def AddTag(self, tag):
+ self.tags[0:0] = [tag]
+
+ def GetTag(self, ectx):
+ #print "GetTag(%s)\n" % self.name;
+ if (self.HasOwnTag()):
+ return self.tags[0].GetTag(ectx)
+ else:
+ return self.GetTTag(ectx)
+
+ def GetTTag(self, ectx):
+ print("#Unhandled GetTTag() in %s" % (self.type))
+ print(self.str_depth(1))
+ return ('BER_CLASS_unknown', 'TAG_unknown')
+
+ def SetName(self, name):
+ self.name = name
+
+ def AddConstraint(self, constr):
+ if not self.HasConstraint():
+ self.constr = constr
+ else:
+ self.constr = Constraint(type = 'Intersection', subtype = [self.constr, constr])
+
+ def eth_tname(self):
+ return '#' + self.type + '_' + str(id(self))
+
+ def eth_ftype(self, ectx):
+ return ('FT_NONE', 'BASE_NONE')
+
+ def eth_strings(self):
+ return 'NULL'
+
+ def eth_omit_field(self):
+ return False
+
+ def eth_need_tree(self):
+ return False
+
+ def eth_has_vals(self):
+ return False
+
+ def eth_has_enum(self, tname, ectx):
+ return self.eth_has_vals() and (ectx.eth_type[tname]['enum'] & EF_ENUM)
+
+ def eth_need_pdu(self, ectx):
+ return None
+
+ def eth_named_bits(self):
+ return None
+
+ def eth_reg_sub(self, ident, ectx):
+ pass
+
+ def get_components(self, ectx):
+ print("#Unhandled get_components() in %s" % (self.type))
+ print(self.str_depth(1))
+ return []
+
+ def sel_req(self, sel, ectx):
+ print("#Selection '%s' required for non-CHOICE type %s" % (sel, self.type))
+ print(self.str_depth(1))
+
+ def fld_obj_eq(self, other):
+ return isinstance(other, Type) and (self.eth_tname() == other.eth_tname())
+
+ def eth_reg(self, ident, ectx, tstrip=0, tagflag=False, selflag=False, idx='', parent=None):
+ #print "eth_reg(): %s, ident=%s, tstrip=%d, tagflag=%s, selflag=%s, parent=%s" %(self.type, ident, tstrip, str(tagflag), str(selflag), str(parent))
+ #print " ", self
+ if (ectx.NeedTags() and (len(self.tags) > tstrip)):
+ tagged_type = self
+ for i in range(len(self.tags)-1, tstrip-1, -1):
+ tagged_type = TaggedType(val=tagged_type, tstrip=i)
+ tagged_type.AddTag(self.tags[i])
+ if not tagflag: # 1st tagged level
+ if self.IsNamed() and not selflag:
+ tagged_type.SetName(self.name)
+ tagged_type.eth_reg(ident, ectx, tstrip=1, tagflag=tagflag, idx=idx, parent=parent)
+ return
+ nm = ''
+ if ident and self.IsNamed() and not tagflag and not selflag:
+ nm = ident + '/' + self.name
+ elif ident:
+ nm = ident
+ elif self.IsNamed():
+ nm = self.name
+ if not ident and ectx.conform.omit_assignment('T', nm, ectx.Module()): return # Assignment to omit
+ if not ident: # Assignment
+ ectx.eth_reg_assign(nm, self)
+ if self.type == 'Type_Ref' and not self.tr_need_own_fn(ectx):
+ ectx.eth_reg_type(nm, self)
+ virtual_tr = Type_Ref(val=ectx.conform.use_item('SET_TYPE', nm))
+ if (self.type == 'Type_Ref') or ectx.conform.check_item('SET_TYPE', nm):
+ if ident and (ectx.conform.check_item('TYPE_RENAME', nm) or ectx.conform.get_fn_presence(nm) or selflag):
+ if ectx.conform.check_item('SET_TYPE', nm):
+ ectx.eth_reg_type(nm, virtual_tr) # dummy Type Reference
+ else:
+ ectx.eth_reg_type(nm, self) # new type
+ trnm = nm
+ elif ectx.conform.check_item('SET_TYPE', nm):
+ trnm = ectx.conform.use_item('SET_TYPE', nm)
+ elif (self.type == 'Type_Ref') and self.tr_need_own_fn(ectx):
+ ectx.eth_reg_type(nm, self) # need own function, e.g. for constraints
+ trnm = nm
+ else:
+ trnm = self.val
+ else:
+ ectx.eth_reg_type(nm, self, mod = ectx.Module())
+ trnm = nm
+ if ectx.conform.check_item('VIRTUAL_ASSGN', nm):
+ vnm = ectx.conform.use_item('VIRTUAL_ASSGN', nm)
+ ectx.eth_reg_assign(vnm, self, virt=True)
+ ectx.eth_reg_type(vnm, self)
+ self.eth_reg_sub(vnm, ectx)
+ if parent and (ectx.type[parent]['val'].type == 'TaggedType'):
+ ectx.type[parent]['val'].eth_set_val_name(parent, trnm, ectx)
+ if ident and not tagflag and not self.eth_omit_field():
+ ectx.eth_reg_field(nm, trnm, idx=idx, parent=parent, impl=self.HasImplicitTag(ectx))
+ if ectx.conform.check_item('SET_TYPE', nm):
+ virtual_tr.eth_reg_sub(nm, ectx)
+ else:
+ self.eth_reg_sub(nm, ectx)
+
+ def eth_get_size_constr(self, ectx):
+ (minv, maxv, ext) = ('MIN', 'MAX', False)
+ if self.HasSizeConstraint():
+ if self.constr.IsSize():
+ (minv, maxv, ext) = self.constr.GetSize(ectx)
+ if (self.constr.type == 'Intersection'):
+ if self.constr.subtype[0].IsSize():
+ (minv, maxv, ext) = self.constr.subtype[0].GetSize(ectx)
+ elif self.constr.subtype[1].IsSize():
+ (minv, maxv, ext) = self.constr.subtype[1].GetSize(ectx)
+ if minv == 'MIN': minv = 'NO_BOUND'
+ if maxv == 'MAX': maxv = 'NO_BOUND'
+ if (ext): ext = 'TRUE'
+ else: ext = 'FALSE'
+ return (minv, maxv, ext)
+
+ def eth_get_value_constr(self, ectx):
+ (minv, maxv, ext) = ('MIN', 'MAX', False)
+ if self.HasValueConstraint():
+ (minv, maxv, ext) = self.constr.GetValue(ectx)
+ if minv == 'MIN': minv = 'NO_BOUND'
+ if maxv == 'MAX': maxv = 'NO_BOUND'
+ if str(minv).isdigit():
+ minv += 'U'
+ elif (str(minv)[0] == "-") and str(minv)[1:].isdigit():
+ if (int(minv) == -(2**31)):
+ minv = "G_MININT32"
+ elif (int(minv) < -(2**31)):
+ minv = "G_GINT64_CONSTANT(%s)" % (str(minv))
+ if str(maxv).isdigit():
+ if (int(maxv) >= 2**32):
+ maxv = "G_GUINT64_CONSTANT(%s)" % (str(maxv))
+ else:
+ maxv += 'U'
+ if (ext): ext = 'TRUE'
+ else: ext = 'FALSE'
+ return (minv, maxv, ext)
+
+ def eth_get_alphabet_constr(self, ectx):
+ (alph, alphlen) = ('NULL', '0')
+ if self.HasPermAlph():
+ alph = self.constr.GetPermAlph(ectx)
+ if not alph:
+ alph = 'NULL'
+ if (alph != 'NULL'):
+ if (((alph[0] + alph[-1]) == '""') and (not alph.count('"', 1, -1))):
+ alphlen = str(len(alph) - 2)
+ else:
+ alphlen = 'strlen(%s)' % (alph)
+ return (alph, alphlen)
+
+ def eth_type_vals(self, tname, ectx):
+ if self.eth_has_vals():
+ print("#Unhandled eth_type_vals('%s') in %s" % (tname, self.type))
+ print(self.str_depth(1))
+ return ''
+
+ def eth_type_enum(self, tname, ectx):
+ if self.eth_has_enum(tname, ectx):
+ print("#Unhandled eth_type_enum('%s') in %s" % (tname, self.type))
+ print(self.str_depth(1))
+ return ''
+
+ def eth_type_default_table(self, ectx, tname):
+ return ''
+
+ def eth_type_default_body(self, ectx, tname):
+ print("#Unhandled eth_type_default_body('%s') in %s" % (tname, self.type))
+ print(self.str_depth(1))
+ return ''
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = {
+ 'TNAME' : tname,
+ 'ER' : ectx.encp(),
+ 'FN_VARIANT' : '',
+ 'TREE' : 'tree',
+ 'TVB' : 'tvb',
+ 'OFFSET' : 'offset',
+ 'ACTX' : 'actx',
+ 'HF_INDEX' : 'hf_index',
+ 'VAL_PTR' : 'NULL',
+ 'IMPLICIT_TAG' : 'implicit_tag',
+ }
+ if (ectx.eth_type[tname]['tree']):
+ pars['ETT_INDEX'] = ectx.eth_type[tname]['tree']
+ if (ectx.merge_modules):
+ pars['PROTOP'] = ''
+ else:
+ pars['PROTOP'] = ectx.eth_type[tname]['proto'] + '_'
+ return pars
+
+ def eth_type_fn(self, proto, tname, ectx):
+ body = self.eth_type_default_body(ectx, tname)
+ pars = self.eth_type_default_pars(ectx, tname)
+ if ectx.conform.check_item('FN_PARS', tname):
+ pars.update(ectx.conform.use_item('FN_PARS', tname))
+ elif ectx.conform.check_item('FN_PARS', ectx.eth_type[tname]['ref'][0]):
+ pars.update(ectx.conform.use_item('FN_PARS', ectx.eth_type[tname]['ref'][0]))
+ pars['DEFAULT_BODY'] = body
+ for i in range(4):
+ for k in list(pars.keys()):
+ try:
+ pars[k] = pars[k] % pars
+ except (ValueError,TypeError):
+ raise sys.exc_info()[0]("%s\n%s" % (str(pars), sys.exc_info()[1]))
+ out = '\n'
+ out += self.eth_type_default_table(ectx, tname) % pars
+ out += ectx.eth_type_fn_hdr(tname)
+ out += ectx.eth_type_fn_body(tname, body, pars=pars)
+ out += ectx.eth_type_fn_ftr(tname)
+ return out
+
+#--- Value --------------------------------------------------------------------
+class Value (Node):
+ def __init__(self,*args, **kw) :
+ self.name = None
+ Node.__init__ (self,*args, **kw)
+
+ def SetName(self, name) :
+ self.name = name
+
+ def to_str(self, ectx):
+ return str(self.val)
+
+ def get_dep(self):
+ return None
+
+ def fld_obj_repr(self, ectx):
+ return self.to_str(ectx)
+
+#--- Value_Ref -----------------------------------------------------------------
+class Value_Ref (Value):
+ def to_str(self, ectx):
+ return asn2c(self.val)
+
+#--- ObjectClass ---------------------------------------------------------------------
+class ObjectClass (Node):
+ def __init__(self,*args, **kw) :
+ self.name = None
+ Node.__init__ (self,*args, **kw)
+
+ def SetName(self, name):
+ self.name = name
+ add_class_ident(self.name)
+
+ def eth_reg(self, ident, ectx):
+ if ectx.conform.omit_assignment('C', self.name, ectx.Module()): return # Assignment to omit
+ ectx.eth_reg_objectclass(self.name, self)
+
+#--- Class_Ref -----------------------------------------------------------------
+class Class_Ref (ObjectClass):
+ pass
+
+#--- ObjectClassDefn ---------------------------------------------------------------------
+class ObjectClassDefn (ObjectClass):
+ def reg_types(self):
+ for fld in self.fields:
+ repr = fld.fld_repr()
+ set_type_to_class(self.name, repr[0], repr[1:])
+
+
+#--- Tag ---------------------------------------------------------------
+class Tag (Node):
+ def to_python (self, ctx):
+ return 'asn1.TYPE(%s,%s)' % (mk_tag_str (ctx, self.tag.cls,
+ self.tag_typ,
+ self.tag.num),
+ self.typ.to_python (ctx))
+ def IsImplicit(self, ectx):
+ return ((self.mode == 'IMPLICIT') or ((self.mode == 'default') and (ectx.tag_def != 'EXPLICIT')))
+
+ def GetTag(self, ectx):
+ tc = ''
+ if (self.cls == 'UNIVERSAL'): tc = 'BER_CLASS_UNI'
+ elif (self.cls == 'APPLICATION'): tc = 'BER_CLASS_APP'
+ elif (self.cls == 'CONTEXT'): tc = 'BER_CLASS_CON'
+ elif (self.cls == 'PRIVATE'): tc = 'BER_CLASS_PRI'
+ return (tc, self.num)
+
+ def eth_tname(self):
+ n = ''
+ if (self.cls == 'UNIVERSAL'): n = 'U'
+ elif (self.cls == 'APPLICATION'): n = 'A'
+ elif (self.cls == 'CONTEXT'): n = 'C'
+ elif (self.cls == 'PRIVATE'): n = 'P'
+ return n + str(self.num)
+
+#--- Constraint ---------------------------------------------------------------
+constr_cnt = 0
+class Constraint (Node):
+ def to_python (self, ctx):
+ print("Ignoring constraint:", self.type)
+ return self.subtype.typ.to_python (ctx)
+ def __str__ (self):
+ return "Constraint: type=%s, subtype=%s" % (self.type, self.subtype)
+
+ def eth_tname(self):
+ return '#' + self.type + '_' + str(id(self))
+
+ def IsSize(self):
+ return (self.type == 'Size' and self.subtype.IsValue()) \
+ or (self.type == 'Intersection' and (self.subtype[0].IsSize() or self.subtype[1].IsSize())) \
+
+ def GetSize(self, ectx):
+ (minv, maxv, ext) = ('MIN', 'MAX', False)
+ if self.IsSize():
+ if self.type == 'Size':
+ (minv, maxv, ext) = self.subtype.GetValue(ectx)
+ ext = ext or (hasattr(self, 'ext') and self.ext)
+ elif self.type == 'Intersection':
+ if self.subtype[0].IsSize() and not self.subtype[1].IsSize():
+ (minv, maxv, ext) = self.subtype[0].GetSize(ectx)
+ elif not self.subtype[0].IsSize() and self.subtype[1].IsSize():
+ (minv, maxv, ext) = self.subtype[1].GetSize(ectx)
+ return (minv, maxv, ext)
+
+ def IsValue(self):
+ return self.type == 'SingleValue' \
+ or self.type == 'ValueRange' \
+ or (self.type == 'Intersection' and (self.subtype[0].IsValue() or self.subtype[1].IsValue())) \
+ or (self.type == 'Union' and (self.subtype[0].IsValue() and self.subtype[1].IsValue()))
+
+ def GetValue(self, ectx):
+ (minv, maxv, ext) = ('MIN', 'MAX', False)
+ if self.IsValue():
+ if self.type == 'SingleValue':
+ minv = ectx.value_get_eth(self.subtype)
+ maxv = ectx.value_get_eth(self.subtype)
+ ext = hasattr(self, 'ext') and self.ext
+ elif self.type == 'ValueRange':
+ minv = ectx.value_get_eth(self.subtype[0])
+ maxv = ectx.value_get_eth(self.subtype[1])
+ ext = hasattr(self, 'ext') and self.ext
+ elif self.type == 'Intersection':
+ if self.subtype[0].IsValue() and not self.subtype[1].IsValue():
+ (minv, maxv, ext) = self.subtype[0].GetValue(ectx)
+ elif not self.subtype[0].IsValue() and self.subtype[1].IsValue():
+ (minv, maxv, ext) = self.subtype[1].GetValue(ectx)
+ elif self.subtype[0].IsValue() and self.subtype[1].IsValue():
+ v0 = self.subtype[0].GetValue(ectx)
+ v1 = self.subtype[1].GetValue(ectx)
+ (minv, maxv, ext) = (ectx.value_max(v0[0],v1[0]), ectx.value_min(v0[1],v1[1]), v0[2] and v1[2])
+ elif self.type == 'Union':
+ if self.subtype[0].IsValue() and self.subtype[1].IsValue():
+ v0 = self.subtype[0].GetValue(ectx)
+ v1 = self.subtype[1].GetValue(ectx)
+ (minv, maxv, ext) = (ectx.value_min(v0[0],v1[0]), ectx.value_max(v0[1],v1[1]), hasattr(self, 'ext') and self.ext)
+ return (minv, maxv, ext)
+
+ def IsAlphabet(self):
+ return self.type == 'SingleValue' \
+ or self.type == 'ValueRange' \
+ or (self.type == 'Intersection' and (self.subtype[0].IsAlphabet() or self.subtype[1].IsAlphabet())) \
+ or (self.type == 'Union' and (self.subtype[0].IsAlphabet() and self.subtype[1].IsAlphabet()))
+
+ def GetAlphabet(self, ectx):
+ alph = None
+ if self.IsAlphabet():
+ if self.type == 'SingleValue':
+ alph = ectx.value_get_eth(self.subtype)
+ elif self.type == 'ValueRange':
+ if ((len(self.subtype[0]) == 3) and ((self.subtype[0][0] + self.subtype[0][-1]) == '""') \
+ and (len(self.subtype[1]) == 3) and ((self.subtype[1][0] + self.subtype[1][-1]) == '""')):
+ alph = '"'
+ for c in range(ord(self.subtype[0][1]), ord(self.subtype[1][1]) + 1):
+ alph += chr(c)
+ alph += '"'
+ elif self.type == 'Union':
+ if self.subtype[0].IsAlphabet() and self.subtype[1].IsAlphabet():
+ a0 = self.subtype[0].GetAlphabet(ectx)
+ a1 = self.subtype[1].GetAlphabet(ectx)
+ if (((a0[0] + a0[-1]) == '""') and not a0.count('"', 1, -1) \
+ and ((a1[0] + a1[-1]) == '""') and not a1.count('"', 1, -1)):
+ alph = '"' + a0[1:-1] + a1[1:-1] + '"'
+ else:
+ alph = a0 + ' ' + a1
+ return alph
+
+ def IsPermAlph(self):
+ return self.type == 'From' and self.subtype.IsAlphabet() \
+ or (self.type == 'Intersection' and (self.subtype[0].IsPermAlph() or self.subtype[1].IsPermAlph())) \
+
+ def GetPermAlph(self, ectx):
+ alph = None
+ if self.IsPermAlph():
+ if self.type == 'From':
+ alph = self.subtype.GetAlphabet(ectx)
+ elif self.type == 'Intersection':
+ if self.subtype[0].IsPermAlph() and not self.subtype[1].IsPermAlph():
+ alph = self.subtype[0].GetPermAlph(ectx)
+ elif not self.subtype[0].IsPermAlph() and self.subtype[1].IsPermAlph():
+ alph = self.subtype[1].GetPermAlph(ectx)
+ return alph
+
+ def IsContents(self):
+ return self.type == 'Contents' \
+ or (self.type == 'Intersection' and (self.subtype[0].IsContents() or self.subtype[1].IsContents())) \
+
+ def GetContents(self, ectx):
+ contents = None
+ if self.IsContents():
+ if self.type == 'Contents':
+ if self.subtype.type == 'Type_Ref':
+ contents = self.subtype.val
+ elif self.type == 'Intersection':
+ if self.subtype[0].IsContents() and not self.subtype[1].IsContents():
+ contents = self.subtype[0].GetContents(ectx)
+ elif not self.subtype[0].IsContents() and self.subtype[1].IsContents():
+ contents = self.subtype[1].GetContents(ectx)
+ return contents
+
+ def IsNegativ(self):
+ def is_neg(sval):
+ return isinstance(sval, str) and (sval[0] == '-')
+ if self.type == 'SingleValue':
+ return is_neg(self.subtype)
+ elif self.type == 'ValueRange':
+ if self.subtype[0] == 'MIN': return True
+ return is_neg(self.subtype[0])
+ return False
+
+ def eth_constrname(self):
+ def int2str(val):
+ if isinstance(val, Value_Ref):
+ return asn2c(val.val)
+ try:
+ if (int(val) < 0):
+ return 'M' + str(-int(val))
+ else:
+ return str(int(val))
+ except (ValueError, TypeError):
+ return asn2c(str(val))
+
+ ext = ''
+ if hasattr(self, 'ext') and self.ext:
+ ext = '_'
+ if self.type == 'SingleValue':
+ return int2str(self.subtype) + ext
+ elif self.type == 'ValueRange':
+ return int2str(self.subtype[0]) + '_' + int2str(self.subtype[1]) + ext
+ elif self.type == 'Size':
+ return 'SIZE_' + self.subtype.eth_constrname() + ext
+ else:
+ if (not hasattr(self, 'constr_num')):
+ global constr_cnt
+ constr_cnt += 1
+ self.constr_num = constr_cnt
+ return 'CONSTR%03d%s' % (self.constr_num, ext)
+
+ def Needs64b(self, ectx):
+ (minv, maxv, ext) = self.GetValue(ectx)
+ if ((str(minv).isdigit() or ((str(minv)[0] == "-") and str(minv)[1:].isdigit())) \
+ and (str(maxv).isdigit() or ((str(maxv)[0] == "-") and str(maxv)[1:].isdigit())) \
+ and ((abs(int(maxv) - int(minv)) >= 2**32) or (int(minv) < -2**31) or (int(maxv) >= 2**32))) \
+ or (maxv == 'MAX') or (minv == 'MIN'):
+ return True
+ return False
+
+class Module (Node):
+ def to_python (self, ctx):
+ ctx.tag_def = self.tag_def.dfl_tag
+ return """#%s
+ %s""" % (self.ident, self.body.to_python (ctx))
+
+ def get_name(self):
+ return self.ident.val
+
+ def get_proto(self, ectx):
+ if (ectx.proto):
+ prot = ectx.proto
+ else:
+ prot = ectx.conform.use_item('MODULE', self.get_name(), val_dflt=self.get_name())
+ return prot
+
+ def to_eth(self, ectx):
+ ectx.tags_def = 'EXPLICIT' # default = explicit
+ ectx.proto = self.get_proto(ectx)
+ ectx.tag_def = self.tag_def.dfl_tag
+ ectx.eth_reg_module(self)
+ self.body.to_eth(ectx)
+
+class Module_Body (Node):
+ def to_python (self, ctx):
+ # XXX handle exports, imports.
+ l = [x.to_python (ctx) for x in self.assign_list]
+ l = [a for a in l if a != '']
+ return "\n".join (l)
+
+ def to_eth(self, ectx):
+ # Exports
+ ectx.eth_exports(self.exports)
+ # Imports
+ for i in self.imports:
+ mod = i.module.val
+ proto = ectx.conform.use_item('MODULE', mod, val_dflt=mod)
+ ectx.eth_module_dep_add(ectx.Module(), mod)
+ for s in i.symbol_list:
+ if isinstance(s, Type_Ref):
+ ectx.eth_import_type(s.val, mod, proto)
+ elif isinstance(s, Value_Ref):
+ ectx.eth_import_value(s.val, mod, proto)
+ elif isinstance(s, Class_Ref):
+ ectx.eth_import_class(s.val, mod, proto)
+ else:
+ msg = 'Unknown kind of imported symbol %s from %s' % (str(s), mod)
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+ # AssignmentList
+ for a in self.assign_list:
+ a.eth_reg('', ectx)
+
+class Default_Tags (Node):
+ def to_python (self, ctx): # not to be used directly
+ assert (0)
+
+# XXX should just calculate dependencies as we go along.
+def calc_dependencies (node, dict, trace = 0):
+ if not hasattr (node, '__dict__'):
+ if trace: print("#returning, node=", node)
+ return
+ if isinstance (node, Type_Ref):
+ dict [node.val] = 1
+ if trace: print("#Setting", node.val)
+ return
+ for (a, val) in list(node.__dict__.items ()):
+ if trace: print("# Testing node ", node, "attr", a, " val", val)
+ if a[0] == '_':
+ continue
+ elif isinstance (val, Node):
+ calc_dependencies (val, dict, trace)
+ elif isinstance (val, type ([])):
+ for v in val:
+ calc_dependencies (v, dict, trace)
+
+
+class Type_Assign (Node):
+ def __init__ (self, *args, **kw):
+ Node.__init__ (self, *args, **kw)
+ if isinstance (self.val, Tag): # XXX replace with generalized get_typ_ignoring_tag (no-op for Node, override in Tag)
+ to_test = self.val.typ
+ else:
+ to_test = self.val
+ if isinstance (to_test, SequenceType):
+ to_test.sequence_name = self.name.name
+
+ def to_python (self, ctx):
+ dep_dict = {}
+ calc_dependencies (self.val, dep_dict, 0)
+ depend_list = list(dep_dict.keys ())
+ return ctx.register_assignment (self.name.name,
+ self.val.to_python (ctx),
+ depend_list)
+
+class PyQuote (Node):
+ def to_python (self, ctx):
+ return ctx.register_pyquote (self.val)
+
+#--- Type_Ref -----------------------------------------------------------------
+class Type_Ref (Type):
+ def to_python (self, ctx):
+ return self.val
+
+ def eth_reg_sub(self, ident, ectx):
+ ectx.eth_dep_add(ident, self.val)
+
+ def eth_tname(self):
+ if self.HasSizeConstraint():
+ return asn2c(self.val) + '_' + self.constr.eth_constrname()
+ else:
+ return asn2c(self.val)
+
+ def tr_need_own_fn(self, ectx):
+ return (ectx.Per() or ectx.Oer()) and self.HasSizeConstraint()
+
+ def fld_obj_repr(self, ectx):
+ return self.val
+
+ def get_components(self, ectx):
+ if self.val not in ectx.type or ectx.type[self.val]['import']:
+ msg = "Can not get COMPONENTS OF %s which is imported type" % (self.val)
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+ return []
+ else:
+ return ectx.type[self.val]['val'].get_components(ectx)
+
+ def GetTTag(self, ectx):
+ #print "GetTTag(%s)\n" % self.val;
+ if (ectx.type[self.val]['import']):
+ if 'ttag' not in ectx.type[self.val]:
+ ttag = ectx.get_ttag_from_all(self.val, ectx.type[self.val]['import'])
+ if not ttag and not ectx.conform.check_item('IMPORT_TAG', self.val):
+ msg = 'Missing tag information for imported type %s from %s (%s)' % (self.val, ectx.type[self.val]['import'], ectx.type[self.val]['proto'])
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+ ttag = ('-1/*imported*/', '-1/*imported*/')
+ ectx.type[self.val]['ttag'] = ectx.conform.use_item('IMPORT_TAG', self.val, val_dflt=ttag)
+ return ectx.type[self.val]['ttag']
+ else:
+ return ectx.type[self.val]['val'].GetTag(ectx)
+
+ def IndetermTag(self, ectx):
+ if (ectx.type[self.val]['import']):
+ return False
+ else:
+ return ectx.type[self.val]['val'].IndetermTag(ectx)
+
+ def eth_type_default_pars(self, ectx, tname):
+ if tname:
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ else:
+ pars = {}
+ t = ectx.type[self.val]['ethname']
+ pars['TYPE_REF_PROTO'] = ectx.eth_type[t]['proto']
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_PROTO)s_%(TYPE_REF_TNAME)s'
+ if self.HasSizeConstraint():
+ (pars['MIN_VAL'], pars['MAX_VAL'], pars['EXT']) = self.eth_get_size_constr(ectx)
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('%(TYPE_REF_FN)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),))
+ elif (ectx.Per() or ectx.Oer()):
+ if self.HasSizeConstraint():
+ body = ectx.eth_fn_call('dissect_%(ER)s_size_constrained_type', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(TYPE_REF_FN)s',),
+ ('"%(TYPE_REF_TNAME)s"', '%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s',),))
+ else:
+ body = ectx.eth_fn_call('%(TYPE_REF_FN)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- SelectionType ------------------------------------------------------------
+class SelectionType (Type):
+ def to_python (self, ctx):
+ return self.val
+
+ def sel_of_typeref(self):
+ return self.typ.type == 'Type_Ref'
+
+ def eth_reg_sub(self, ident, ectx):
+ if not self.sel_of_typeref():
+ self.seltype = ''
+ return
+ self.seltype = ectx.eth_sel_req(self.typ.val, self.sel)
+ ectx.eth_dep_add(ident, self.seltype)
+
+ def eth_ftype(self, ectx):
+ (ftype, display) = ('FT_NONE', 'BASE_NONE')
+ if self.sel_of_typeref() and not ectx.type[self.seltype]['import']:
+ (ftype, display) = ectx.type[self.typ.val]['val'].eth_ftype_sel(self.sel, ectx)
+ return (ftype, display)
+
+ def GetTTag(self, ectx):
+ #print "GetTTag(%s)\n" % self.seltype;
+ if (ectx.type[self.seltype]['import']):
+ if 'ttag' not in ectx.type[self.seltype]:
+ if not ectx.conform.check_item('IMPORT_TAG', self.seltype):
+ msg = 'Missing tag information for imported type %s from %s (%s)' % (self.seltype, ectx.type[self.seltype]['import'], ectx.type[self.seltype]['proto'])
+ warnings.warn_explicit(msg, UserWarning, '', 0)
+ ectx.type[self.seltype]['ttag'] = ectx.conform.use_item('IMPORT_TAG', self.seltype, val_dflt=('-1 /*imported*/', '-1 /*imported*/'))
+ return ectx.type[self.seltype]['ttag']
+ else:
+ return ectx.type[self.typ.val]['val'].GetTTagSel(self.sel, ectx)
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ if self.sel_of_typeref():
+ t = ectx.type[self.seltype]['ethname']
+ pars['TYPE_REF_PROTO'] = ectx.eth_type[t]['proto']
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_PROTO)s_%(TYPE_REF_TNAME)s'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if not self.sel_of_typeref():
+ body = '#error Can not decode %s' % (tname)
+ elif (ectx.Ber()):
+ body = ectx.eth_fn_call('%(TYPE_REF_FN)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),))
+ elif (ectx.Per() or ectx.Oer()):
+ body = ectx.eth_fn_call('%(TYPE_REF_FN)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- TaggedType -----------------------------------------------------------------
+class TaggedType (Type):
+ def eth_tname(self):
+ tn = ''
+ for i in range(self.tstrip, len(self.val.tags)):
+ tn += self.val.tags[i].eth_tname()
+ tn += '_'
+ tn += self.val.eth_tname()
+ return tn
+
+ def eth_set_val_name(self, ident, val_name, ectx):
+ #print "TaggedType::eth_set_val_name(): ident=%s, val_name=%s" % (ident, val_name)
+ self.val_name = val_name
+ ectx.eth_dep_add(ident, self.val_name)
+
+ def eth_reg_sub(self, ident, ectx):
+ self.val_name = ident + '/' + UNTAG_TYPE_NAME
+ self.val.eth_reg(self.val_name, ectx, tstrip=self.tstrip+1, tagflag=True, parent=ident)
+
+ def GetTTag(self, ectx):
+ #print "GetTTag(%s)\n" % self.seltype;
+ return self.GetTag(ectx)
+
+ def eth_ftype(self, ectx):
+ return self.val.eth_ftype(ectx)
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ t = ectx.type[self.val_name]['ethname']
+ pars['TYPE_REF_PROTO'] = ectx.eth_type[t]['proto']
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_PROTO)s_%(TYPE_REF_TNAME)s'
+ (pars['TAG_CLS'], pars['TAG_TAG']) = self.GetTag(ectx)
+ if self.HasImplicitTag(ectx):
+ pars['TAG_IMPL'] = 'TRUE'
+ else:
+ pars['TAG_IMPL'] = 'FALSE'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_tagged_type', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(HF_INDEX)s', '%(TAG_CLS)s', '%(TAG_TAG)s', '%(TAG_IMPL)s', '%(TYPE_REF_FN)s',),))
+ else:
+ body = '#error Can not decode tagged_type %s' % (tname)
+ return body
+
+#--- SqType -----------------------------------------------------------
+class SqType (Type):
+ def out_item(self, f, val, optional, ext, ectx):
+ if (val.eth_omit_field()):
+ t = ectx.type[val.ident]['ethname']
+ fullname = ectx.dummy_eag_field
+ else:
+ ef = ectx.field[f]['ethname']
+ t = ectx.eth_hf[ef]['ethtype']
+ fullname = ectx.eth_hf[ef]['fullname']
+ if (ectx.Ber()):
+ #print "optional=%s, e.val.HasOwnTag()=%s, e.val.IndetermTag()=%s" % (str(e.optional), str(e.val.HasOwnTag()), str(e.val.IndetermTag(ectx)))
+ #print val.str_depth(1)
+ opt = ''
+ if (optional):
+ opt = 'BER_FLAGS_OPTIONAL'
+ if (not val.HasOwnTag()):
+ if (opt): opt += '|'
+ opt += 'BER_FLAGS_NOOWNTAG'
+ elif (val.HasImplicitTag(ectx)):
+ if (opt): opt += '|'
+ opt += 'BER_FLAGS_IMPLTAG'
+ if (val.IndetermTag(ectx)):
+ if (opt): opt += '|'
+ opt += 'BER_FLAGS_NOTCHKTAG'
+ if (not opt): opt = '0'
+ else:
+ if optional:
+ opt = 'ASN1_OPTIONAL'
+ else:
+ opt = 'ASN1_NOT_OPTIONAL'
+ if (ectx.Ber()):
+ (tc, tn) = val.GetTag(ectx)
+ out = ' { %-24s, %-13s, %s, %s, dissect_%s_%s },\n' \
+ % ('&'+fullname, tc, tn, opt, ectx.eth_type[t]['proto'], t)
+ elif (ectx.Per() or ectx.Oer()):
+ out = ' { %-24s, %-23s, %-17s, dissect_%s_%s },\n' \
+ % ('&'+fullname, ext, opt, ectx.eth_type[t]['proto'], t)
+ else:
+ out = ''
+ return out
+
+#--- SeqType -----------------------------------------------------------
+class SeqType (SqType):
+
+ def all_components(self):
+ lst = self.elt_list[:]
+ if hasattr(self, 'ext_list'):
+ lst.extend(self.ext_list)
+ if hasattr(self, 'elt_list2'):
+ lst.extend(self.elt_list2)
+ return lst
+
+ def need_components(self):
+ lst = self.all_components()
+ for e in (lst):
+ if e.type == 'components_of':
+ return True
+ return False
+
+ def expand_components(self, ectx):
+ while self.need_components():
+ for i in range(len(self.elt_list)):
+ if self.elt_list[i].type == 'components_of':
+ comp = self.elt_list[i].typ.get_components(ectx)
+ self.elt_list[i:i+1] = comp
+ break
+ if hasattr(self, 'ext_list'):
+ for i in range(len(self.ext_list)):
+ if self.ext_list[i].type == 'components_of':
+ comp = self.ext_list[i].typ.get_components(ectx)
+ self.ext_list[i:i+1] = comp
+ break
+ if hasattr(self, 'elt_list2'):
+ for i in range(len(self.elt_list2)):
+ if self.elt_list2[i].type == 'components_of':
+ comp = self.elt_list2[i].typ.get_components(ectx)
+ self.elt_list2[i:i+1] = comp
+ break
+
+ def get_components(self, ectx):
+ lst = self.elt_list[:]
+ if hasattr(self, 'elt_list2'):
+ lst.extend(self.elt_list2)
+ return lst
+
+ def eth_reg_sub(self, ident, ectx, components_available=False):
+ # check if autotag is required
+ autotag = False
+ if (ectx.NeedTags() and (ectx.tag_def == 'AUTOMATIC')):
+ autotag = True
+ lst = self.all_components()
+ for e in (self.elt_list):
+ if e.val.HasOwnTag(): autotag = False; break;
+ # expand COMPONENTS OF
+ if self.need_components():
+ if components_available:
+ self.expand_components(ectx)
+ else:
+ ectx.eth_comp_req(ident)
+ return
+ # extension addition groups
+ if hasattr(self, 'ext_list'):
+ if (ectx.Per() or ectx.Oer()): # add names
+ eag_num = 1
+ for e in (self.ext_list):
+ if isinstance(e.val, ExtensionAdditionGroup):
+ e.val.parent_ident = ident
+ e.val.parent_tname = ectx.type[ident]['tname']
+ if (e.val.ver):
+ e.val.SetName("eag_v%s" % (e.val.ver))
+ else:
+ e.val.SetName("eag_%d" % (eag_num))
+ eag_num += 1;
+ else: # expand
+ new_ext_list = []
+ for e in (self.ext_list):
+ if isinstance(e.val, ExtensionAdditionGroup):
+ new_ext_list.extend(e.val.elt_list)
+ else:
+ new_ext_list.append(e)
+ self.ext_list = new_ext_list
+ # do autotag
+ if autotag:
+ atag = 0
+ for e in (self.elt_list):
+ e.val.AddTag(Tag(cls = 'CONTEXT', num = str(atag), mode = 'IMPLICIT'))
+ atag += 1
+ if autotag and hasattr(self, 'elt_list2'):
+ for e in (self.elt_list2):
+ e.val.AddTag(Tag(cls = 'CONTEXT', num = str(atag), mode = 'IMPLICIT'))
+ atag += 1
+ if autotag and hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ e.val.AddTag(Tag(cls = 'CONTEXT', num = str(atag), mode = 'IMPLICIT'))
+ atag += 1
+ # register components
+ for e in (self.elt_list):
+ e.val.eth_reg(ident, ectx, tstrip=1, parent=ident)
+ if hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ e.val.eth_reg(ident, ectx, tstrip=1, parent=ident)
+ if hasattr(self, 'elt_list2'):
+ for e in (self.elt_list2):
+ e.val.eth_reg(ident, ectx, tstrip=1, parent=ident)
+
+ def eth_type_default_table(self, ectx, tname):
+ #print ("eth_type_default_table(tname='%s')" % (tname))
+ fname = ectx.eth_type[tname]['ref'][0]
+ table = "static const %(ER)s_sequence_t %(TABLE)s[] = {\n"
+ if hasattr(self, 'ext_list'):
+ ext = 'ASN1_EXTENSION_ROOT'
+ else:
+ ext = 'ASN1_NO_EXTENSIONS'
+ empty_ext_flag = '0'
+ if (len(self.elt_list)==0) and hasattr(self, 'ext_list') and (len(self.ext_list)==0) and (not hasattr(self, 'elt_list2') or (len(self.elt_list2)==0)):
+ empty_ext_flag = ext
+ for e in (self.elt_list):
+ f = fname + '/' + e.val.name
+ table += self.out_item(f, e.val, e.optional, ext, ectx)
+ if hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ f = fname + '/' + e.val.name
+ table += self.out_item(f, e.val, e.optional, 'ASN1_NOT_EXTENSION_ROOT', ectx)
+ if hasattr(self, 'elt_list2'):
+ for e in (self.elt_list2):
+ f = fname + '/' + e.val.name
+ table += self.out_item(f, e.val, e.optional, ext, ectx)
+ if (ectx.Ber()):
+ table += " { NULL, 0, 0, 0, NULL }\n};\n"
+ else:
+ table += " { NULL, %s, 0, NULL }\n};\n" % (empty_ext_flag)
+ return table
+
+#--- SeqOfType -----------------------------------------------------------
+class SeqOfType (SqType):
+ def eth_type_default_table(self, ectx, tname):
+ #print "eth_type_default_table(tname='%s')" % (tname)
+ fname = ectx.eth_type[tname]['ref'][0]
+ if self.val.IsNamed ():
+ f = fname + '/' + self.val.name
+ else:
+ f = fname + '/' + ITEM_FIELD_NAME
+ table = "static const %(ER)s_sequence_t %(TABLE)s[1] = {\n"
+ table += self.out_item(f, self.val, False, 'ASN1_NO_EXTENSIONS', ectx)
+ table += "};\n"
+ return table
+
+#--- SequenceOfType -----------------------------------------------------------
+class SequenceOfType (SeqOfType):
+ def to_python (self, ctx):
+ # name, tag (None for no tag, EXPLICIT() for explicit), typ)
+ # or '' + (1,) for optional
+ sizestr = ''
+ if self.size_constr is not None:
+ print("#Ignoring size constraint:", self.size_constr.subtype)
+ return "%sasn1.SEQUENCE_OF (%s%s)" % (ctx.spaces (),
+ self.val.to_python (ctx),
+ sizestr)
+
+ def eth_reg_sub(self, ident, ectx):
+ itmnm = ident
+ if not self.val.IsNamed ():
+ itmnm += '/' + ITEM_FIELD_NAME
+ self.val.eth_reg(itmnm, ectx, tstrip=1, idx='[##]', parent=ident)
+
+ def eth_tname(self):
+ if self.val.type != 'Type_Ref':
+ return '#' + self.type + '_' + str(id(self))
+ if not self.HasConstraint():
+ return "SEQUENCE_OF_" + self.val.eth_tname()
+ elif self.constr.IsSize():
+ return 'SEQUENCE_' + self.constr.eth_constrname() + '_OF_' + self.val.eth_tname()
+ else:
+ return '#' + self.type + '_' + str(id(self))
+
+ def eth_ftype(self, ectx):
+ return ('FT_UINT32', 'BASE_DEC')
+
+ def eth_need_tree(self):
+ return True
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_SEQUENCE')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ (pars['MIN_VAL'], pars['MAX_VAL'], pars['EXT']) = self.eth_get_size_constr(ectx)
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_sequence_of'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ if (ectx.constraints_check and self.HasSizeConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_sequence_of', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(TABLE)s', '%(HF_INDEX)s', '%(ETT_INDEX)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_sequence_of', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(TABLE)s', '%(HF_INDEX)s', '%(ETT_INDEX)s',),))
+ elif ((ectx.Per() or ectx.Oer()) and not self.HasConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_sequence_of', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ETT_INDEX)s', '%(TABLE)s',),))
+ elif ((ectx.Per() or ectx.Oer()) and self.constr.type == 'Size'):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_sequence_of', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ETT_INDEX)s', '%(TABLE)s',),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s','%(EXT)s'),))
+ else:
+ body = '#error Can not decode SequenceOfType %s' % (tname)
+ return body
+
+
+#--- SetOfType ----------------------------------------------------------------
+class SetOfType (SeqOfType):
+ def eth_reg_sub(self, ident, ectx):
+ itmnm = ident
+ if not self.val.IsNamed ():
+ itmnm += '/' + ITEM_FIELD_NAME
+ self.val.eth_reg(itmnm, ectx, tstrip=1, idx='(##)', parent=ident)
+
+ def eth_tname(self):
+ if self.val.type != 'Type_Ref':
+ return '#' + self.type + '_' + str(id(self))
+ if not self.HasConstraint():
+ return "SET_OF_" + self.val.eth_tname()
+ elif self.constr.IsSize():
+ return 'SET_' + self.constr.eth_constrname() + '_OF_' + self.val.eth_tname()
+ else:
+ return '#' + self.type + '_' + str(id(self))
+
+ def eth_ftype(self, ectx):
+ return ('FT_UINT32', 'BASE_DEC')
+
+ def eth_need_tree(self):
+ return True
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_SET')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ (pars['MIN_VAL'], pars['MAX_VAL'], pars['EXT']) = self.eth_get_size_constr(ectx)
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_set_of'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ if (ectx.constraints_check and self.HasSizeConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_set_of', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(TABLE)s', '%(HF_INDEX)s', '%(ETT_INDEX)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_set_of', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(TABLE)s', '%(HF_INDEX)s', '%(ETT_INDEX)s',),))
+ elif (ectx.Per() and not self.HasConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_set_of', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ETT_INDEX)s', '%(TABLE)s',),))
+ elif (ectx.Per() and self.constr.type == 'Size'):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_set_of', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ETT_INDEX)s', '%(TABLE)s',),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s','%(EXT)s',),))
+ else:
+ body = '#error Can not decode SetOfType %s' % (tname)
+ return body
+
+def mk_tag_str (ctx, cls, typ, num):
+
+ # XXX should do conversion to int earlier!
+ val = int (num)
+ typ = typ.upper()
+ if typ == 'DEFAULT':
+ typ = ctx.tags_def
+ return 'asn1.%s(%d,cls=asn1.%s_FLAG)' % (typ, val, cls) # XXX still ned
+
+#--- SequenceType -------------------------------------------------------------
+class SequenceType (SeqType):
+ def to_python (self, ctx):
+ # name, tag (None for no tag, EXPLICIT() for explicit), typ)
+ # or '' + (1,) for optional
+ # XXX should also collect names for SEQUENCE inside SEQUENCE or
+ # CHOICE or SEQUENCE_OF (where should the SEQUENCE_OF name come
+ # from? for others, element or arm name would be fine)
+ seq_name = getattr (self, 'sequence_name', None)
+ if seq_name is None:
+ seq_name = 'None'
+ else:
+ seq_name = "'" + seq_name + "'"
+ if 'ext_list' in self.__dict__:
+ return "%sasn1.SEQUENCE ([%s], ext=[%s], seq_name = %s)" % (ctx.spaces (),
+ self.elts_to_py (self.elt_list, ctx),
+ self.elts_to_py (self.ext_list, ctx), seq_name)
+ else:
+ return "%sasn1.SEQUENCE ([%s]), seq_name = %s" % (ctx.spaces (),
+ self.elts_to_py (self.elt_list, ctx), seq_name)
+ def elts_to_py (self, list, ctx):
+ # we have elt_type, val= named_type, maybe default=, optional=
+ # named_type node: either ident = or typ =
+ # need to dismember these in order to generate Python output syntax.
+ ctx.indent ()
+ def elt_to_py (e):
+ assert (e.type == 'elt_type')
+ nt = e.val
+ optflag = e.optional
+ #assert (not hasattr (e, 'default')) # XXX add support for DEFAULT!
+ assert (nt.type == 'named_type')
+ tagstr = 'None'
+ identstr = nt.ident
+ if hasattr (nt.typ, 'type') and nt.typ.type == 'tag': # ugh
+ tagstr = mk_tag_str (ctx,nt.typ.tag.cls,
+ nt.typ.tag.tag_typ,nt.typ.tag.num)
+
+
+ nt = nt.typ
+ return "('%s',%s,%s,%d)" % (identstr, tagstr,
+ nt.typ.to_python (ctx), optflag)
+ indentstr = ",\n" + ctx.spaces ()
+ rv = indentstr.join ([elt_to_py (e) for e in list])
+ ctx.outdent ()
+ return rv
+
+ def eth_need_tree(self):
+ return True
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_SEQUENCE')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_sequence'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_sequence', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(TABLE)s', '%(HF_INDEX)s', '%(ETT_INDEX)s',),))
+ elif (ectx.Per() or ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_sequence', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ETT_INDEX)s', '%(TABLE)s',),))
+ else:
+ body = '#error Can not decode SequenceType %s' % (tname)
+ return body
+
+#--- ExtensionAdditionGroup ---------------------------------------------------
+class ExtensionAdditionGroup (SeqType):
+ def __init__(self,*args, **kw) :
+ self.parent_ident = None
+ self.parent_tname = None
+ SeqType.__init__ (self,*args, **kw)
+
+ def eth_omit_field(self):
+ return True
+
+ def eth_tname(self):
+ if (self.parent_tname and self.IsNamed()):
+ return self.parent_tname + "_" + self.name
+ else:
+ return SeqType.eth_tname(self)
+
+ def eth_reg_sub(self, ident, ectx):
+ ectx.eth_dummy_eag_field_required()
+ ectx.eth_dep_add(self.parent_ident, ident)
+ SeqType.eth_reg_sub(self, ident, ectx)
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_sequence'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_sequence_eag', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(TABLE)s',),))
+ else:
+ body = '#error Can not decode ExtensionAdditionGroup %s' % (tname)
+ return body
+
+
+#--- SetType ------------------------------------------------------------------
+class SetType (SeqType):
+
+ def eth_need_tree(self):
+ return True
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_SET')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_set'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_set', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(TABLE)s', '%(HF_INDEX)s', '%(ETT_INDEX)s',),))
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_set', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ETT_INDEX)s', '%(TABLE)s',),))
+ else:
+ body = '#error Can not decode SetType %s' % (tname)
+ return body
+
+#--- ChoiceType ---------------------------------------------------------------
+class ChoiceType (Type):
+ def to_python (self, ctx):
+ # name, tag (None for no tag, EXPLICIT() for explicit), typ)
+ # or '' + (1,) for optional
+ if 'ext_list' in self.__dict__:
+ return "%sasn1.CHOICE ([%s], ext=[%s])" % (ctx.spaces (),
+ self.elts_to_py (self.elt_list, ctx),
+ self.elts_to_py (self.ext_list, ctx))
+ else:
+ return "%sasn1.CHOICE ([%s])" % (ctx.spaces (), self.elts_to_py (self.elt_list, ctx))
+ def elts_to_py (self, list, ctx):
+ ctx.indent ()
+ def elt_to_py (nt):
+ assert (nt.type == 'named_type')
+ tagstr = 'None'
+ if hasattr (nt, 'ident'):
+ identstr = nt.ident
+ else:
+ if hasattr (nt.typ, 'val'):
+ identstr = nt.typ.val # XXX, making up name
+ elif hasattr (nt.typ, 'name'):
+ identstr = nt.typ.name
+ else:
+ identstr = ctx.make_new_name ()
+
+ if hasattr (nt.typ, 'type') and nt.typ.type == 'tag': # ugh
+ tagstr = mk_tag_str (ctx,nt.typ.tag.cls,
+ nt.typ.tag.tag_typ,nt.typ.tag.num)
+
+
+ nt = nt.typ
+ return "('%s',%s,%s)" % (identstr, tagstr,
+ nt.typ.to_python (ctx))
+ indentstr = ",\n" + ctx.spaces ()
+ rv = indentstr.join ([elt_to_py (e) for e in list])
+ ctx.outdent ()
+ return rv
+
+ def eth_reg_sub(self, ident, ectx):
+ #print "eth_reg_sub(ident='%s')" % (ident)
+ # check if autotag is required
+ autotag = False
+ if (ectx.NeedTags() and (ectx.tag_def == 'AUTOMATIC')):
+ autotag = True
+ for e in (self.elt_list):
+ if e.HasOwnTag(): autotag = False; break;
+ if autotag and hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ if e.HasOwnTag(): autotag = False; break;
+ # do autotag
+ if autotag:
+ atag = 0
+ for e in (self.elt_list):
+ e.AddTag(Tag(cls = 'CONTEXT', num = str(atag), mode = 'IMPLICIT'))
+ atag += 1
+ if autotag and hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ e.AddTag(Tag(cls = 'CONTEXT', num = str(atag), mode = 'IMPLICIT'))
+ atag += 1
+ for e in (self.elt_list):
+ e.eth_reg(ident, ectx, tstrip=1, parent=ident)
+ if ectx.conform.check_item('EXPORTS', ident + '.' + e.name):
+ ectx.eth_sel_req(ident, e.name)
+ if hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ e.eth_reg(ident, ectx, tstrip=1, parent=ident)
+ if ectx.conform.check_item('EXPORTS', ident + '.' + e.name):
+ ectx.eth_sel_req(ident, e.name)
+
+ def sel_item(self, ident, sel, ectx):
+ lst = self.elt_list[:]
+ if hasattr(self, 'ext_list'):
+ lst.extend(self.ext_list)
+ ee = None
+ for e in (self.elt_list):
+ if e.IsNamed() and (e.name == sel):
+ ee = e
+ break
+ if not ee:
+ print("#CHOICE %s does not contain item %s" % (ident, sel))
+ return ee
+
+ def sel_req(self, ident, sel, ectx):
+ #print "sel_req(ident='%s', sel=%s)\n%s" % (ident, sel, str(self))
+ ee = self.sel_item(ident, sel, ectx)
+ if ee:
+ ee.eth_reg(ident, ectx, tstrip=0, selflag=True)
+
+ def eth_ftype(self, ectx):
+ return ('FT_UINT32', 'BASE_DEC')
+
+ def eth_ftype_sel(self, sel, ectx):
+ ee = self.sel_item('', sel, ectx)
+ if ee:
+ return ee.eth_ftype(ectx)
+ else:
+ return ('FT_NONE', 'BASE_NONE')
+
+ def eth_strings(self):
+ return '$$'
+
+ def eth_need_tree(self):
+ return True
+
+ def eth_has_vals(self):
+ return True
+
+ def GetTTag(self, ectx):
+ lst = self.elt_list
+ cls = 'BER_CLASS_ANY/*choice*/'
+ #if hasattr(self, 'ext_list'):
+ # lst.extend(self.ext_list)
+ #if (len(lst) > 0):
+ # cls = lst[0].GetTag(ectx)[0]
+ #for e in (lst):
+ # if (e.GetTag(ectx)[0] != cls):
+ # cls = '-1/*choice*/'
+ return (cls, '-1/*choice*/')
+
+ def GetTTagSel(self, sel, ectx):
+ ee = self.sel_item('', sel, ectx)
+ if ee:
+ return ee.GetTag(ectx)
+ else:
+ return ('BER_CLASS_ANY/*unknown selection*/', '-1/*unknown selection*/')
+
+ def IndetermTag(self, ectx):
+ #print "Choice IndetermTag()=%s" % (str(not self.HasOwnTag()))
+ return not self.HasOwnTag()
+
+ def detect_tagval(self, ectx):
+ tagval = False
+ lst = self.elt_list[:]
+ if hasattr(self, 'ext_list'):
+ lst.extend(self.ext_list)
+ if (len(lst) > 0) and (not (ectx.Per() or ectx.Oer()) or lst[0].HasOwnTag()):
+ t = lst[0].GetTag(ectx)[0]
+ tagval = True
+ else:
+ t = ''
+ tagval = False
+ if (t == 'BER_CLASS_UNI'):
+ tagval = False
+ for e in (lst):
+ if not (ectx.Per() or ectx.Oer()) or e.HasOwnTag():
+ tt = e.GetTag(ectx)[0]
+ else:
+ tt = ''
+ tagval = False
+ if (tt != t):
+ tagval = False
+ return tagval
+
+ def get_vals(self, ectx):
+ tagval = self.detect_tagval(ectx)
+ vals = []
+ cnt = 0
+ for e in (self.elt_list):
+ if (tagval): val = e.GetTag(ectx)[1]
+ else: val = str(cnt)
+ vals.append((val, e.name))
+ cnt += 1
+ if hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ if (tagval): val = e.GetTag(ectx)[1]
+ else: val = str(cnt)
+ vals.append((val, e.name))
+ cnt += 1
+ return vals
+
+ def eth_type_vals(self, tname, ectx):
+ out = '\n'
+ vals = self.get_vals(ectx)
+ out += ectx.eth_vals(tname, vals)
+ return out
+
+ def reg_enum_vals(self, tname, ectx):
+ vals = self.get_vals(ectx)
+ for (val, id) in vals:
+ ectx.eth_reg_value(id, self, val, ethname=ectx.eth_enum_item(tname, id))
+
+ def eth_type_enum(self, tname, ectx):
+ out = '\n'
+ vals = self.get_vals(ectx)
+ out += ectx.eth_enum(tname, vals)
+ return out
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_choice'
+ return pars
+
+ def eth_type_default_table(self, ectx, tname):
+ def out_item(val, e, ext, ectx):
+ has_enum = ectx.eth_type[tname]['enum'] & EF_ENUM
+ if (has_enum):
+ vval = ectx.eth_enum_item(tname, e.name)
+ else:
+ vval = val
+ f = fname + '/' + e.name
+ ef = ectx.field[f]['ethname']
+ t = ectx.eth_hf[ef]['ethtype']
+ if (ectx.Ber()):
+ opt = ''
+ if (not e.HasOwnTag()):
+ opt = 'BER_FLAGS_NOOWNTAG'
+ elif (e.HasImplicitTag(ectx)):
+ if (opt): opt += '|'
+ opt += 'BER_FLAGS_IMPLTAG'
+ if (not opt): opt = '0'
+ if (ectx.Ber()):
+ (tc, tn) = e.GetTag(ectx)
+ out = ' { %3s, %-24s, %-13s, %s, %s, dissect_%s_%s },\n' \
+ % (vval, '&'+ectx.eth_hf[ef]['fullname'], tc, tn, opt, ectx.eth_type[t]['proto'], t)
+ elif (ectx.Per() or ectx.Oer()):
+ out = ' { %3s, %-24s, %-23s, dissect_%s_%s },\n' \
+ % (vval, '&'+ectx.eth_hf[ef]['fullname'], ext, ectx.eth_type[t]['proto'], t)
+ else:
+ out = ''
+ return out
+ # end out_item()
+ #print "eth_type_default_table(tname='%s')" % (tname)
+ fname = ectx.eth_type[tname]['ref'][0]
+ tagval = self.detect_tagval(ectx)
+ table = "static const %(ER)s_choice_t %(TABLE)s[] = {\n"
+ cnt = 0
+ if hasattr(self, 'ext_list'):
+ ext = 'ASN1_EXTENSION_ROOT'
+ else:
+ ext = 'ASN1_NO_EXTENSIONS'
+ empty_ext_flag = '0'
+ if (len(self.elt_list)==0) and hasattr(self, 'ext_list') and (len(self.ext_list)==0):
+ empty_ext_flag = ext
+ for e in (self.elt_list):
+ if (tagval): val = e.GetTag(ectx)[1]
+ else: val = str(cnt)
+ table += out_item(val, e, ext, ectx)
+ cnt += 1
+ if hasattr(self, 'ext_list'):
+ for e in (self.ext_list):
+ if (tagval): val = e.GetTag(ectx)[1]
+ else: val = str(cnt)
+ table += out_item(val, e, 'ASN1_NOT_EXTENSION_ROOT', ectx)
+ cnt += 1
+ if (ectx.Ber()):
+ table += " { 0, NULL, 0, 0, 0, NULL }\n};\n"
+ else:
+ table += " { 0, NULL, %s, NULL }\n};\n" % (empty_ext_flag)
+ return table
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_choice', ret='offset',
+ par=(('%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(TABLE)s', '%(HF_INDEX)s', '%(ETT_INDEX)s'),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per() or ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_choice', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ETT_INDEX)s', '%(TABLE)s',),
+ ('%(VAL_PTR)s',),))
+ else:
+ body = '#error Can not decode ChoiceType %s' % (tname)
+ return body
+
+#--- ChoiceValue ----------------------------------------------------
+class ChoiceValue (Value):
+ def to_str(self, ectx):
+ return self.val.to_str(ectx)
+
+ def fld_obj_eq(self, other):
+ return isinstance(other, ChoiceValue) and (self.choice == other.choice) and (str(self.val.val) == str(other.val.val))
+
+#--- EnumeratedType -----------------------------------------------------------
+class EnumeratedType (Type):
+ def to_python (self, ctx):
+ def strify_one (named_num):
+ return "%s=%s" % (named_num.ident, named_num.val)
+ return "asn1.ENUM(%s)" % ",".join (map (strify_one, self.val))
+
+ def eth_ftype(self, ectx):
+ return ('FT_UINT32', 'BASE_DEC')
+
+ def eth_strings(self):
+ return '$$'
+
+ def eth_has_vals(self):
+ return True
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_ENUMERATED')
+
+ def get_vals_etc(self, ectx):
+ vals = []
+ lastv = 0
+ used = {}
+ maxv = 0
+ root_num = 0
+ ext_num = 0
+ map_table = []
+ for e in (self.val):
+ if e.type == 'NamedNumber':
+ used[int(e.val)] = True
+ for e in (self.val):
+ if e.type == 'NamedNumber':
+ val = int(e.val)
+ else:
+ while lastv in used:
+ lastv += 1
+ val = lastv
+ used[val] = True
+ vals.append((val, e.ident))
+ map_table.append(val)
+ root_num += 1
+ if val > maxv:
+ maxv = val
+ if self.ext is not None:
+ for e in (self.ext):
+ if e.type == 'NamedNumber':
+ used[int(e.val)] = True
+ for e in (self.ext):
+ if e.type == 'NamedNumber':
+ val = int(e.val)
+ else:
+ while lastv in used:
+ lastv += 1
+ val = lastv
+ used[val] = True
+ vals.append((val, e.ident))
+ map_table.append(val)
+ ext_num += 1
+ if val > maxv:
+ maxv = val
+ need_map = False
+ for i in range(len(map_table)):
+ need_map = need_map or (map_table[i] != i)
+ if (not need_map):
+ map_table = None
+ return (vals, root_num, ext_num, map_table)
+
+ def eth_type_vals(self, tname, ectx):
+ out = '\n'
+ vals = self.get_vals_etc(ectx)[0]
+ out += ectx.eth_vals(tname, vals)
+ return out
+
+ def reg_enum_vals(self, tname, ectx):
+ vals = self.get_vals_etc(ectx)[0]
+ for (val, id) in vals:
+ ectx.eth_reg_value(id, self, val, ethname=ectx.eth_enum_item(tname, id))
+
+ def eth_type_enum(self, tname, ectx):
+ out = '\n'
+ vals = self.get_vals_etc(ectx)[0]
+ out += ectx.eth_enum(tname, vals)
+ return out
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ (root_num, ext_num, map_table) = self.get_vals_etc(ectx)[1:]
+ if self.ext is not None:
+ ext = 'TRUE'
+ else:
+ ext = 'FALSE'
+ pars['ROOT_NUM'] = str(root_num)
+ pars['EXT'] = ext
+ pars['EXT_NUM'] = str(ext_num)
+ if (map_table):
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_value_map'
+ else:
+ pars['TABLE'] = 'NULL'
+ return pars
+
+ def eth_type_default_table(self, ectx, tname):
+ if (not ectx.Per() and not ectx.Oer()): return ''
+ map_table = self.get_vals_etc(ectx)[3]
+ if map_table is None: return ''
+ table = "static uint32_t %(TABLE)s[%(ROOT_NUM)s+%(EXT_NUM)s] = {"
+ table += ", ".join([str(v) for v in map_table])
+ table += "};\n"
+ return table
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ if (ectx.constraints_check and self.HasValueConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_integer', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_integer', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s'),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per() or ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_enumerated', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(ROOT_NUM)s', '%(VAL_PTR)s', '%(EXT)s', '%(EXT_NUM)s', '%(TABLE)s',),))
+ else:
+ body = '#error Can not decode EnumeratedType %s' % (tname)
+ return body
+
+#--- EmbeddedPDVType -----------------------------------------------------------
+class EmbeddedPDVType (Type):
+ def eth_tname(self):
+ return 'EMBEDDED_PDV'
+
+ def eth_ftype(self, ectx):
+ return ('FT_NONE', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_EMBEDDED_PDV')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ if ectx.default_embedded_pdv_cb:
+ pars['TYPE_REF_FN'] = ectx.default_embedded_pdv_cb
+ else:
+ pars['TYPE_REF_FN'] = 'NULL'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_EmbeddedPDV_Type', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(HF_INDEX)s', '%(TYPE_REF_FN)s',),))
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_embedded_pdv', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(TYPE_REF_FN)s',),))
+ else:
+ body = '#error Can not decode EmbeddedPDVType %s' % (tname)
+ return body
+
+#--- ExternalType -----------------------------------------------------------
+class ExternalType (Type):
+ def eth_tname(self):
+ return 'EXTERNAL'
+
+ def eth_ftype(self, ectx):
+ return ('FT_NONE', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_EXTERNAL')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ if ectx.default_external_type_cb:
+ pars['TYPE_REF_FN'] = ectx.default_external_type_cb
+ else:
+ pars['TYPE_REF_FN'] = 'NULL'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_external_type', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(HF_INDEX)s', '%(TYPE_REF_FN)s',),))
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_external_type', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(TYPE_REF_FN)s',),))
+ else:
+ body = '#error Can not decode ExternalType %s' % (tname)
+ return body
+
+#--- OpenType -----------------------------------------------------------
+class OpenType (Type):
+ def to_python (self, ctx):
+ return "asn1.ANY"
+
+ def single_type(self):
+ if (self.HasConstraint() and
+ self.constr.type == 'Type' and
+ self.constr.subtype.type == 'Type_Ref'):
+ return self.constr.subtype.val
+ return None
+
+ def eth_reg_sub(self, ident, ectx):
+ t = self.single_type()
+ if t:
+ ectx.eth_dep_add(ident, t)
+
+ def eth_tname(self):
+ t = self.single_type()
+ if t:
+ return 'OpenType_' + t
+ else:
+ return Type.eth_tname(self)
+
+ def eth_ftype(self, ectx):
+ return ('FT_NONE', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_ANY', '0')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['FN_VARIANT'] = ectx.default_opentype_variant
+ t = self.single_type()
+ if t:
+ t = ectx.type[t]['ethname']
+ pars['TYPE_REF_PROTO'] = ectx.eth_type[t]['proto']
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_PROTO)s_%(TYPE_REF_TNAME)s'
+ else:
+ pars['TYPE_REF_FN'] = 'NULL'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Per() or ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_open_type%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(TYPE_REF_FN)s',),))
+ else:
+ body = '#error Can not decode OpenType %s' % (tname)
+ return body
+
+#--- InstanceOfType -----------------------------------------------------------
+class InstanceOfType (Type):
+ def eth_tname(self):
+ return 'INSTANCE_OF'
+
+ def eth_ftype(self, ectx):
+ return ('FT_NONE', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_EXTERNAL')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ if ectx.default_external_type_cb:
+ pars['TYPE_REF_FN'] = ectx.default_external_type_cb
+ else:
+ pars['TYPE_REF_FN'] = 'NULL'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_external_type', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(HF_INDEX)s', '%(TYPE_REF_FN)s',),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- AnyType -----------------------------------------------------------
+class AnyType (Type):
+ def to_python (self, ctx):
+ return "asn1.ANY"
+
+ def eth_ftype(self, ectx):
+ return ('FT_NONE', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_ANY', '0')
+
+ def eth_type_default_body(self, ectx, tname):
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+class Literal (Node):
+ def to_python (self, ctx):
+ return self.val
+
+#--- NullType -----------------------------------------------------------------
+class NullType (Type):
+ def to_python (self, ctx):
+ return 'asn1.NULL'
+
+ def eth_tname(self):
+ return 'NULL'
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_NULL')
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_null', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s'),))
+ elif (ectx.Per() or ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_null', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- NullValue ----------------------------------------------------
+class NullValue (Value):
+ def to_str(self, ectx):
+ return 'NULL'
+
+#--- RealType -----------------------------------------------------------------
+class RealType (Type):
+ def to_python (self, ctx):
+ return 'asn1.REAL'
+
+ def eth_tname(self):
+ return 'REAL'
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_REAL')
+
+ def eth_ftype(self, ectx):
+ return ('FT_DOUBLE', 'BASE_NONE')
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_real', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s'),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_real', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- BooleanType --------------------------------------------------------------
+class BooleanType (Type):
+ def to_python (self, ctx):
+ return 'asn1.BOOLEAN'
+
+ def eth_tname(self):
+ return 'BOOLEAN'
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_BOOLEAN')
+
+ def eth_ftype(self, ectx):
+ return ('FT_BOOLEAN', 'BASE_NONE')
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_boolean', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s', '%(VAL_PTR)s'),))
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_boolean', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ elif (ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_boolean', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- OctetStringType ----------------------------------------------------------
+class OctetStringType (Type):
+ def to_python (self, ctx):
+ return 'asn1.OCTSTRING'
+
+ def eth_tname(self):
+ if not self.HasConstraint():
+ return 'OCTET_STRING'
+ elif self.constr.type == 'Size':
+ return 'OCTET_STRING' + '_' + self.constr.eth_constrname()
+ else:
+ return '#' + self.type + '_' + str(id(self))
+
+ def eth_ftype(self, ectx):
+ return ('FT_BYTES', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_OCTETSTRING')
+
+ def eth_need_pdu(self, ectx):
+ pdu = None
+ if self.HasContentsConstraint():
+ t = self.constr.GetContents(ectx)
+ if t and (ectx.default_containing_variant in ('_pdu', '_pdu_new')):
+ pdu = { 'type' : t,
+ 'new' : ectx.default_containing_variant == '_pdu_new' }
+ return pdu
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ (pars['MIN_VAL'], pars['MAX_VAL'], pars['EXT']) = self.eth_get_size_constr(ectx)
+ if self.HasContentsConstraint():
+ pars['FN_VARIANT'] = ectx.default_containing_variant
+ t = self.constr.GetContents(ectx)
+ if t:
+ if pars['FN_VARIANT'] in ('_pdu', '_pdu_new'):
+ t = ectx.field[t]['ethname']
+ pars['TYPE_REF_PROTO'] = ''
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_TNAME)s'
+ else:
+ t = ectx.type[t]['ethname']
+ pars['TYPE_REF_PROTO'] = ectx.eth_type[t]['proto']
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_PROTO)s_%(TYPE_REF_TNAME)s'
+ else:
+ pars['TYPE_REF_FN'] = 'NULL'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ if (ectx.constraints_check and self.HasSizeConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_octet_string', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_octet_string', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s'),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per() or ectx.Oer()):
+ if self.HasContentsConstraint():
+ body = ectx.eth_fn_call('dissect_%(ER)s_octet_string_containing%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s', '%(TYPE_REF_FN)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_octet_string', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s', '%(VAL_PTR)s',),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- CharacterStringType ------------------------------------------------------
+class CharacterStringType (Type):
+ def eth_tname(self):
+ if not self.HasConstraint():
+ return self.eth_tsname()
+ elif self.constr.type == 'Size':
+ return self.eth_tsname() + '_' + self.constr.eth_constrname()
+ else:
+ return '#' + self.type + '_' + str(id(self))
+
+ def eth_ftype(self, ectx):
+ return ('FT_STRING', 'BASE_NONE')
+
+class RestrictedCharacterStringType (CharacterStringType):
+ def to_python (self, ctx):
+ return 'asn1.' + self.eth_tsname()
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_' + self.eth_tsname())
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ (pars['MIN_VAL'], pars['MAX_VAL'], pars['EXT']) = self.eth_get_size_constr(ectx)
+ (pars['STRING_TYPE'], pars['STRING_TAG']) = (self.eth_tsname(), self.GetTTag(ectx)[1])
+ (pars['ALPHABET'], pars['ALPHABET_LEN']) = self.eth_get_alphabet_constr(ectx)
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ if (ectx.constraints_check and self.HasSizeConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_restricted_string', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(STRING_TAG)s'),
+ ('%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_restricted_string', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(STRING_TAG)s'),
+ ('%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s'),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per() and self.HasPermAlph() and self.eth_tsname() in KnownMultiplierStringTypes):
+ # XXX: If there is a permitted alphabet but it is extensible,
+ # then the permitted-alphabet is not PER-visible and should be
+ # ignored. (X.691 9.3.10, 9.3.18) We don't handle extensible
+ # permitted-alphabets.
+ body = ectx.eth_fn_call('dissect_%(ER)s_restricted_character_string', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s', '%(ALPHABET)s', '%(ALPHABET_LEN)s'),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per()):
+ if (self.eth_tsname() == 'GeneralString'):
+ body = ectx.eth_fn_call('dissect_%(ER)s_%(STRING_TYPE)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),))
+ elif (self.eth_tsname() == 'GeneralizedTime' or self.eth_tsname() == 'UTCTime'):
+ body = ectx.eth_fn_call('dissect_%(ER)s_VisibleString', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s'),
+ ('%(VAL_PTR)s',),))
+ elif (self.eth_tsname() in KnownMultiplierStringTypes):
+ body = ectx.eth_fn_call('dissect_%(ER)s_%(STRING_TYPE)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s'),
+ ('%(VAL_PTR)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_%(STRING_TYPE)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s',),))
+ elif (ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_%(STRING_TYPE)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s',),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+class BMPStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'BMPString'
+
+class GeneralStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'GeneralString'
+
+class GraphicStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'GraphicString'
+
+class IA5StringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'IA5String'
+
+class NumericStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'NumericString'
+
+class PrintableStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'PrintableString'
+
+class TeletexStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'TeletexString'
+
+class T61StringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'T61String'
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_TeletexString')
+
+class UniversalStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'UniversalString'
+
+class UTF8StringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'UTF8String'
+
+class VideotexStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'VideotexString'
+
+class VisibleStringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'VisibleString'
+
+class ISO646StringType (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'ISO646String'
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_VisibleString')
+
+class UnrestrictedCharacterStringType (CharacterStringType):
+ def to_python (self, ctx):
+ return 'asn1.UnrestrictedCharacterString'
+ def eth_tsname(self):
+ return 'CHARACTER_STRING'
+
+#--- UsefulType ---------------------------------------------------------------
+class GeneralizedTime (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'GeneralizedTime'
+
+ def eth_ftype(self, ectx):
+ if (ectx.Ber()):
+ return ('FT_ABSOLUTE_TIME', 'ABSOLUTE_TIME_LOCAL')
+ else:
+ return ('FT_STRING', 'BASE_NONE')
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_%(STRING_TYPE)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s'),))
+ return body
+ else:
+ return RestrictedCharacterStringType.eth_type_default_body(self, ectx, tname)
+
+class UTCTime (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'UTCTime'
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_%(STRING_TYPE)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s', 'NULL', 'NULL'),))
+ return body
+ else:
+ return RestrictedCharacterStringType.eth_type_default_body(self, ectx, tname)
+
+class ObjectDescriptor (RestrictedCharacterStringType):
+ def eth_tsname(self):
+ return 'ObjectDescriptor'
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = RestrictedCharacterStringType.eth_type_default_body(self, ectx, tname)
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_object_descriptor', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- ObjectIdentifierType -----------------------------------------------------
+class ObjectIdentifierType (Type):
+ def to_python (self, ctx):
+ return 'asn1.OBJECT_IDENTIFIER'
+
+ def eth_tname(self):
+ return 'OBJECT_IDENTIFIER'
+
+ def eth_ftype(self, ectx):
+ return ('FT_OID', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_OID')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['FN_VARIANT'] = ectx.default_oid_variant
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_object_identifier%(FN_VARIANT)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_object_identifier%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ elif (ectx.Oer()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_object_identifier%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- ObjectIdentifierValue ----------------------------------------------------
+class ObjectIdentifierValue (Value):
+ def get_num(self, path, val):
+ return str(oid_names.get(path + '/' + val, val))
+
+ def to_str(self, ectx):
+ out = ''
+ path = ''
+ first = True
+ sep = ''
+ for v in self.comp_list:
+ if isinstance(v, Node) and (v.type == 'name_and_number'):
+ vstr = v.number
+ elif v.isdigit():
+ vstr = v
+ else:
+ vstr = self.get_num(path, v)
+ if not first and not vstr.isdigit():
+ vstr = ectx.value_get_val(vstr)
+ if first:
+ if vstr.isdigit():
+ out += '"' + vstr
+ else:
+ out += ectx.value_get_eth(vstr) + '"'
+ else:
+ out += sep + vstr
+ path += sep + vstr
+ first = False
+ sep = '.'
+ out += '"'
+ return out
+
+ def get_dep(self):
+ v = self.comp_list[0]
+ if isinstance(v, Node) and (v.type == 'name_and_number'):
+ return None
+ elif v.isdigit():
+ return None
+ else:
+ vstr = self.get_num('', v)
+ if vstr.isdigit():
+ return None
+ else:
+ return vstr
+
+class NamedNumber(Node):
+ def to_python (self, ctx):
+ return "('%s',%s)" % (self.ident, self.val)
+ def __lt__(self, other):
+ return int(self.val) < int(other.val)
+
+class NamedNumListBase(Node):
+ def to_python (self, ctx):
+ return "asn1.%s_class ([%s])" % (self.asn1_typ,",".join (
+ [x.to_python (ctx) for x in self.named_list]))
+
+#--- RelativeOIDType ----------------------------------------------------------
+class RelativeOIDType (Type):
+
+ def eth_tname(self):
+ return 'RELATIVE_OID'
+
+ def eth_ftype(self, ectx):
+ return ('FT_REL_OID', 'BASE_NONE')
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_RELATIVE_OID')
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['FN_VARIANT'] = ectx.default_oid_variant
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_relative_oid%(FN_VARIANT)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ elif (ectx.Per()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_relative_oid%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = '#error Can not decode relative_oid %s' % (tname)
+ return body
+
+
+#--- IntegerType --------------------------------------------------------------
+class IntegerType (Type):
+ def to_python (self, ctx):
+ return "asn1.INTEGER_class ([%s])" % (",".join (
+ [x.to_python (ctx) for x in self.named_list]))
+
+ def add_named_value(self, ident, val):
+ e = NamedNumber(ident = ident, val = val)
+ if not self.named_list:
+ self.named_list = []
+ self.named_list.append(e)
+
+ def eth_tname(self):
+ if self.named_list:
+ return Type.eth_tname(self)
+ if not self.HasConstraint():
+ return 'INTEGER'
+ elif self.constr.type == 'SingleValue' or self.constr.type == 'ValueRange':
+ return 'INTEGER' + '_' + self.constr.eth_constrname()
+ else:
+ return 'INTEGER' + '_' + self.constr.eth_tname()
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_INTEGER')
+
+
+ def eth_ftype(self, ectx):
+ if self.HasConstraint():
+ if not self.constr.IsNegativ():
+ if self.constr.Needs64b(ectx):
+ return ('FT_UINT64', 'BASE_DEC')
+ else:
+ return ('FT_UINT32', 'BASE_DEC')
+ if self.constr.Needs64b(ectx):
+ return ('FT_INT64', 'BASE_DEC')
+ return ('FT_INT32', 'BASE_DEC')
+
+ def eth_strings(self):
+ if (self.named_list):
+ return '$$'
+ else:
+ return 'NULL'
+
+ def eth_has_vals(self):
+ if (self.named_list):
+ return True
+ else:
+ return False
+
+ def get_vals(self, ectx):
+ vals = []
+ for e in (self.named_list):
+ vals.append((int(e.val), e.ident))
+ return vals
+
+ def eth_type_vals(self, tname, ectx):
+ if not self.eth_has_vals(): return ''
+ out = '\n'
+ vals = self.get_vals(ectx)
+ out += ectx.eth_vals(tname, vals)
+ return out
+
+ def reg_enum_vals(self, tname, ectx):
+ vals = self.get_vals(ectx)
+ for (val, id) in vals:
+ ectx.eth_reg_value(id, self, val, ethname=ectx.eth_enum_item(tname, id))
+
+ def eth_type_enum(self, tname, ectx):
+ if not self.eth_has_enum(tname, ectx): return ''
+ out = '\n'
+ vals = self.get_vals(ectx)
+ out += ectx.eth_enum(tname, vals)
+ return out
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ if self.HasValueConstraint():
+ (pars['MIN_VAL'], pars['MAX_VAL'], pars['EXT']) = self.eth_get_value_constr(ectx)
+ if (pars['FN_VARIANT'] == '') and self.constr.Needs64b(ectx):
+ if ectx.Ber(): pars['FN_VARIANT'] = '64'
+ else:
+ if (ectx.Oer() and pars['MAX_VAL'] == 'NO_BOUND'):
+ pars['FN_VARIANT'] = '_64b_no_ub'
+ else:
+ pars['FN_VARIANT'] = '_64b'
+ return pars
+
+ def eth_type_default_body(self, ectx, tname):
+ if (ectx.Ber()):
+ if (ectx.constraints_check and self.HasValueConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_integer%(FN_VARIANT)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(HF_INDEX)s', '%(VAL_PTR)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_integer%(FN_VARIANT)s', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s', '%(HF_INDEX)s'),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per() or ectx.Oer()):
+ if (self.HasValueConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_integer%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(VAL_PTR)s', '%(EXT)s'),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_integer%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s', '%(VAL_PTR)s'),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- BitStringType ------------------------------------------------------------
+class BitStringType (Type):
+ def to_python (self, ctx):
+ return "asn1.BITSTRING_class ([%s])" % (",".join (
+ [x.to_python (ctx) for x in self.named_list]))
+
+ def eth_tname(self):
+ if self.named_list:
+ return Type.eth_tname(self)
+ elif not self.HasConstraint():
+ return 'BIT_STRING'
+ elif self.constr.IsSize():
+ return 'BIT_STRING' + '_' + self.constr.eth_constrname()
+ else:
+ return '#' + self.type + '_' + str(id(self))
+
+ def GetTTag(self, ectx):
+ return ('BER_CLASS_UNI', 'BER_UNI_TAG_BITSTRING')
+
+ def eth_ftype(self, ectx):
+ return ('FT_BYTES', 'BASE_NONE')
+
+ def eth_need_tree(self):
+ return self.named_list
+
+ def eth_need_pdu(self, ectx):
+ pdu = None
+ if self.HasContentsConstraint():
+ t = self.constr.GetContents(ectx)
+ if t and (ectx.default_containing_variant in ('_pdu', '_pdu_new')):
+ pdu = { 'type' : t,
+ 'new' : ectx.default_containing_variant == '_pdu_new' }
+ return pdu
+
+ def sortNamedBits(self):
+ return self.named_list.val
+
+ def eth_named_bits(self):
+ bits = []
+ if (self.named_list):
+ sorted_list = self.named_list
+ sorted_list.sort()
+ expected_bit_no = 0;
+ for e in (sorted_list):
+ # Fill the table with "spare_bit" for "un named bits"
+ if (int(e.val) != 0) and (expected_bit_no != int(e.val)):
+ while ( expected_bit_no < int(e.val)):
+ bits.append((expected_bit_no, ("spare_bit%u" % (expected_bit_no))))
+ expected_bit_no = expected_bit_no + 1
+ #print ("Adding named bits to list %s bit no %d" % (e.ident, int (e.val)))
+ bits.append((int(e.val), e.ident))
+ expected_bit_no = int(e.val) + 1
+ return bits
+
+ def eth_type_default_pars(self, ectx, tname):
+ pars = Type.eth_type_default_pars(self, ectx, tname)
+ pars['LEN_PTR'] = 'NULL'
+ (pars['MIN_VAL'], pars['MAX_VAL'], pars['EXT']) = self.eth_get_size_constr(ectx)
+ if 'ETT_INDEX' not in pars:
+ pars['ETT_INDEX'] = '-1'
+ pars['TABLE'] = 'NULL'
+ if self.eth_named_bits():
+ pars['TABLE'] = '%(PROTOP)s%(TNAME)s_bits'
+ if self.HasContentsConstraint():
+ pars['FN_VARIANT'] = ectx.default_containing_variant
+ t = self.constr.GetContents(ectx)
+ if t:
+ if pars['FN_VARIANT'] in ('_pdu', '_pdu_new'):
+ t = ectx.field[t]['ethname']
+ pars['TYPE_REF_PROTO'] = ''
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_TNAME)s'
+ else:
+ t = ectx.type[t]['ethname']
+ pars['TYPE_REF_PROTO'] = ectx.eth_type[t]['proto']
+ pars['TYPE_REF_TNAME'] = t
+ pars['TYPE_REF_FN'] = 'dissect_%(TYPE_REF_PROTO)s_%(TYPE_REF_TNAME)s'
+ else:
+ pars['TYPE_REF_FN'] = 'NULL'
+ return pars
+
+ def eth_type_default_table(self, ectx, tname):
+ #print ("eth_type_default_table(tname='%s')" % (tname))
+ table = ''
+ bits = self.eth_named_bits()
+ if (bits):
+ table = ectx.eth_bits(tname, bits)
+ return table
+
+ def eth_type_default_body(self, ectx, tname):
+ bits = self.eth_named_bits()
+ if (ectx.Ber()):
+ if (ectx.constraints_check and self.HasSizeConstraint()):
+ body = ectx.eth_fn_call('dissect_%(ER)s_constrained_bitstring', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(TABLE)s', '%s' % len(bits),'%(HF_INDEX)s', '%(ETT_INDEX)s',),
+ ('%(VAL_PTR)s',),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_bitstring', ret='offset',
+ par=(('%(IMPLICIT_TAG)s', '%(ACTX)s', '%(TREE)s', '%(TVB)s', '%(OFFSET)s'),
+ ('%(TABLE)s', '%s' % len(bits), '%(HF_INDEX)s', '%(ETT_INDEX)s',),
+ ('%(VAL_PTR)s',),))
+ elif (ectx.Per() or ectx.Oer()):
+ if self.HasContentsConstraint():
+ body = ectx.eth_fn_call('dissect_%(ER)s_bit_string_containing%(FN_VARIANT)s', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s', '%(TYPE_REF_FN)s'),))
+ else:
+ body = ectx.eth_fn_call('dissect_%(ER)s_bit_string', ret='offset',
+ par=(('%(TVB)s', '%(OFFSET)s', '%(ACTX)s', '%(TREE)s', '%(HF_INDEX)s'),
+ ('%(MIN_VAL)s', '%(MAX_VAL)s', '%(EXT)s','%(TABLE)s', '%s' % len(bits), '%(VAL_PTR)s', '%(LEN_PTR)s'),))
+ else:
+ body = '#error Can not decode %s' % (tname)
+ return body
+
+#--- BStringValue ------------------------------------------------------------
+bstring_tab = {
+ '0000' : '0',
+ '0001' : '1',
+ '0010' : '2',
+ '0011' : '3',
+ '0100' : '4',
+ '0101' : '5',
+ '0110' : '6',
+ '0111' : '7',
+ '1000' : '8',
+ '1001' : '9',
+ '1010' : 'A',
+ '1011' : 'B',
+ '1100' : 'C',
+ '1101' : 'D',
+ '1110' : 'E',
+ '1111' : 'F',
+}
+class BStringValue (Value):
+ def to_str(self, ectx):
+ v = self.val[1:-2]
+ if len(v) % 8:
+ v += '0' * (8 - len(v) % 8)
+ vv = '0x'
+ for i in (list(range(0, len(v), 4))):
+ vv += bstring_tab[v[i:i+4]]
+ return vv
+
+#--- HStringValue ------------------------------------------------------------
+class HStringValue (Value):
+ def to_str(self, ectx):
+ vv = '0x'
+ vv += self.val[1:-2]
+ return vv
+ def __int__(self):
+ return int(self.val[1:-2], 16)
+
+#--- FieldSpec ----------------------------------------------------------------
+class FieldSpec (Node):
+ def __init__(self,*args, **kw) :
+ self.name = None
+ Node.__init__ (self,*args, **kw)
+
+ def SetName(self, name):
+ self.name = name
+
+ def get_repr(self):
+ return ['#UNSUPPORTED_' + self.type]
+
+ def fld_repr(self):
+ repr = [self.name]
+ repr.extend(self.get_repr())
+ return repr
+
+class TypeFieldSpec (FieldSpec):
+ def get_repr(self):
+ return []
+
+class FixedTypeValueFieldSpec (FieldSpec):
+ def get_repr(self):
+ if isinstance(self.typ, Type_Ref):
+ repr = ['TypeReference', self.typ.val]
+ else:
+ repr = [self.typ.type]
+ return repr
+
+class VariableTypeValueFieldSpec (FieldSpec):
+ def get_repr(self):
+ return ['_' + self.type]
+
+class FixedTypeValueSetFieldSpec (FieldSpec):
+ def get_repr(self):
+ return ['_' + self.type]
+
+class ObjectFieldSpec (FieldSpec):
+ def get_repr(self):
+ return ['ClassReference', self.cls.val]
+
+class ObjectSetFieldSpec (FieldSpec):
+ def get_repr(self):
+ return ['ClassReference', self.cls.val]
+
+#==============================================================================
+
+def p_module_list_1 (t):
+ 'module_list : module_list ModuleDefinition'
+ t[0] = t[1] + [t[2]]
+
+def p_module_list_2 (t):
+ 'module_list : ModuleDefinition'
+ t[0] = [t[1]]
+
+
+#--- ITU-T Recommendation X.680 -----------------------------------------------
+
+
+# 11 ASN.1 lexical items --------------------------------------------------------
+
+# 11.2 Type references
+def p_type_ref (t):
+ 'type_ref : UCASE_IDENT'
+ t[0] = Type_Ref(val=t[1])
+
+# 11.3 Identifiers
+def p_identifier (t):
+ 'identifier : LCASE_IDENT'
+ t[0] = t[1]
+
+# 11.4 Value references
+# cause reduce/reduce conflict
+#def p_valuereference (t):
+# 'valuereference : LCASE_IDENT'
+# t[0] = Value_Ref(val=t[1])
+
+# 11.5 Module references
+def p_modulereference (t):
+ 'modulereference : UCASE_IDENT'
+ t[0] = t[1]
+
+
+# 12 Module definition --------------------------------------------------------
+
+# 12.1
+def p_ModuleDefinition (t):
+ 'ModuleDefinition : ModuleIdentifier DEFINITIONS TagDefault ASSIGNMENT ModuleBegin BEGIN ModuleBody END'
+ t[0] = Module (ident = t[1], tag_def = t[3], body = t[7])
+
+def p_ModuleBegin (t):
+ 'ModuleBegin : '
+ if t[-4].val == 'Remote-Operations-Information-Objects':
+ x880_module_begin()
+
+def p_TagDefault_1 (t):
+ '''TagDefault : EXPLICIT TAGS
+ | IMPLICIT TAGS
+ | AUTOMATIC TAGS '''
+ t[0] = Default_Tags (dfl_tag = t[1])
+
+def p_TagDefault_2 (t):
+ 'TagDefault : '
+ # 12.2 The "TagDefault" is taken as EXPLICIT TAGS if it is "empty".
+ t[0] = Default_Tags (dfl_tag = 'EXPLICIT')
+
+def p_ModuleIdentifier_1 (t):
+ 'ModuleIdentifier : modulereference DefinitiveIdentifier' # name, oid
+ t [0] = Node('module_ident', val = t[1], ident = t[2])
+
+def p_ModuleIdentifier_2 (t):
+ 'ModuleIdentifier : modulereference' # name, oid
+ t [0] = Node('module_ident', val = t[1], ident = None)
+
+def p_DefinitiveIdentifier (t):
+ 'DefinitiveIdentifier : ObjectIdentifierValue'
+ t[0] = t[1]
+
+#def p_module_ref (t):
+# 'module_ref : UCASE_IDENT'
+# t[0] = t[1]
+
+def p_ModuleBody_1 (t):
+ 'ModuleBody : Exports Imports AssignmentList'
+ t[0] = Module_Body (exports = t[1], imports = t[2], assign_list = t[3])
+
+def p_ModuleBody_2 (t):
+ 'ModuleBody : '
+ t[0] = Node ('module_body', exports = [], imports = [], assign_list = [])
+
+def p_Exports_1 (t):
+ 'Exports : EXPORTS syms_exported SEMICOLON'
+ t[0] = t[2]
+
+def p_Exports_2 (t):
+ 'Exports : EXPORTS ALL SEMICOLON'
+ t[0] = [ 'ALL' ]
+
+def p_Exports_3 (t):
+ 'Exports : '
+ t[0] = [ 'ALL' ]
+
+def p_syms_exported_1 (t):
+ 'syms_exported : exp_sym_list'
+ t[0] = t[1]
+
+def p_syms_exported_2 (t):
+ 'syms_exported : '
+ t[0] = []
+
+def p_exp_sym_list_1 (t):
+ 'exp_sym_list : Symbol'
+ t[0] = [t[1]]
+
+def p_exp_sym_list_2 (t):
+ 'exp_sym_list : exp_sym_list COMMA Symbol'
+ t[0] = t[1] + [t[3]]
+
+
+def p_Imports_1 (t):
+ 'Imports : importsbegin IMPORTS SymbolsImported SEMICOLON'
+ t[0] = t[3]
+ global lcase_ident_assigned
+ lcase_ident_assigned = {}
+
+def p_importsbegin (t):
+ 'importsbegin : '
+ global lcase_ident_assigned
+ global g_conform
+ lcase_ident_assigned = {}
+ lcase_ident_assigned.update(g_conform.use_item('ASSIGNED_ID', 'OBJECT_IDENTIFIER'))
+
+def p_Imports_2 (t):
+ 'Imports : '
+ t[0] = []
+
+def p_SymbolsImported_1(t):
+ 'SymbolsImported : '
+ t[0] = []
+
+def p_SymbolsImported_2 (t):
+ 'SymbolsImported : SymbolsFromModuleList'
+ t[0] = t[1]
+
+def p_SymbolsFromModuleList_1 (t):
+ 'SymbolsFromModuleList : SymbolsFromModuleList SymbolsFromModule'
+ t[0] = t[1] + [t[2]]
+
+def p_SymbolsFromModuleList_2 (t):
+ 'SymbolsFromModuleList : SymbolsFromModule'
+ t[0] = [t[1]]
+
+def p_SymbolsFromModule (t):
+ '''SymbolsFromModule : SymbolList FROM GlobalModuleReference
+ | SymbolList FROM GlobalModuleReference WITH SUCCESSORS'''
+ t[0] = Node ('SymbolList', symbol_list = t[1], module = t[3])
+ for s in (t[0].symbol_list):
+ if (isinstance(s, Value_Ref)): lcase_ident_assigned[s.val] = t[3]
+ import_symbols_from_module(t[0].module, t[0].symbol_list)
+
+def import_symbols_from_module(module, symbol_list):
+ if module.val == 'Remote-Operations-Information-Objects':
+ for i in range(len(symbol_list)):
+ s = symbol_list[i]
+ if isinstance(s, Type_Ref) or isinstance(s, Class_Ref):
+ x880_import(s.val)
+ if isinstance(s, Type_Ref) and is_class_ident(s.val):
+ symbol_list[i] = Class_Ref (val = s.val)
+ return
+ for i in range(len(symbol_list)):
+ s = symbol_list[i]
+ if isinstance(s, Type_Ref) and is_class_ident("$%s$%s" % (module.val, s.val)):
+ import_class_from_module(module.val, s.val)
+ if isinstance(s, Type_Ref) and is_class_ident(s.val):
+ symbol_list[i] = Class_Ref (val = s.val)
+
+def p_GlobalModuleReference (t):
+ 'GlobalModuleReference : modulereference AssignedIdentifier'
+ t [0] = Node('module_ident', val = t[1], ident = t[2])
+
+def p_AssignedIdentifier_1 (t):
+ 'AssignedIdentifier : ObjectIdentifierValue'
+ t[0] = t[1]
+
+def p_AssignedIdentifier_2 (t):
+ 'AssignedIdentifier : LCASE_IDENT_ASSIGNED'
+ t[0] = t[1]
+
+def p_AssignedIdentifier_3 (t):
+ 'AssignedIdentifier : '
+ pass
+
+def p_SymbolList_1 (t):
+ 'SymbolList : Symbol'
+ t[0] = [t[1]]
+
+def p_SymbolList_2 (t):
+ 'SymbolList : SymbolList COMMA Symbol'
+ t[0] = t[1] + [t[3]]
+
+def p_Symbol (t):
+ '''Symbol : Reference
+ | ParameterizedReference'''
+ t[0] = t[1]
+
+def p_Reference_1 (t):
+ '''Reference : type_ref
+ | objectclassreference '''
+ t[0] = t[1]
+
+def p_Reference_2 (t):
+ '''Reference : LCASE_IDENT_ASSIGNED
+ | identifier ''' # instead of valuereference wich causes reduce/reduce conflict
+ t[0] = Value_Ref(val=t[1])
+
+def p_AssignmentList_1 (t):
+ 'AssignmentList : AssignmentList Assignment'
+ t[0] = t[1] + [t[2]]
+
+def p_AssignmentList_2 (t):
+ 'AssignmentList : Assignment SEMICOLON'
+ t[0] = [t[1]]
+
+def p_AssignmentList_3 (t):
+ 'AssignmentList : Assignment'
+ t[0] = [t[1]]
+
+def p_Assignment (t):
+ '''Assignment : TypeAssignment
+ | ValueAssignment
+ | ValueSetTypeAssignment
+ | ObjectClassAssignment
+ | ObjectAssignment
+ | ObjectSetAssignment
+ | ParameterizedAssignment
+ | pyquote '''
+ t[0] = t[1]
+
+
+# 13 Referencing type and value definitions -----------------------------------
+
+# 13.1
+def p_DefinedType (t):
+ '''DefinedType : ExternalTypeReference
+ | type_ref
+ | ParameterizedType'''
+ t[0] = t[1]
+
+def p_DefinedValue_1(t):
+ '''DefinedValue : ExternalValueReference'''
+ t[0] = t[1]
+
+def p_DefinedValue_2(t):
+ '''DefinedValue : identifier ''' # instead of valuereference wich causes reduce/reduce conflict
+ t[0] = Value_Ref(val=t[1])
+
+# 13.6
+def p_ExternalTypeReference (t):
+ 'ExternalTypeReference : modulereference DOT type_ref'
+ t[0] = Node ('ExternalTypeReference', module = t[1], typ = t[3])
+
+def p_ExternalValueReference (t):
+ 'ExternalValueReference : modulereference DOT identifier'
+ t[0] = Node ('ExternalValueReference', module = t[1], ident = t[3])
+
+
+# 15 Assigning types and values -----------------------------------------------
+
+# 15.1
+def p_TypeAssignment (t):
+ 'TypeAssignment : UCASE_IDENT ASSIGNMENT Type'
+ t[0] = t[3]
+ t[0].SetName(t[1])
+
+# 15.2
+def p_ValueAssignment (t):
+ 'ValueAssignment : LCASE_IDENT ValueType ASSIGNMENT Value'
+ t[0] = ValueAssignment(ident = t[1], typ = t[2], val = t[4])
+
+# only "simple" types are supported to simplify grammer
+def p_ValueType (t):
+ '''ValueType : type_ref
+ | BooleanType
+ | IntegerType
+ | ObjectIdentifierType
+ | OctetStringType
+ | RealType '''
+
+ t[0] = t[1]
+
+# 15.6
+def p_ValueSetTypeAssignment (t):
+ 'ValueSetTypeAssignment : UCASE_IDENT ValueType ASSIGNMENT ValueSet'
+ t[0] = Node('ValueSetTypeAssignment', name=t[1], typ=t[2], val=t[4])
+
+# 15.7
+def p_ValueSet (t):
+ 'ValueSet : lbraceignore rbraceignore'
+ t[0] = None
+
+
+# 16 Definition of types and values -------------------------------------------
+
+# 16.1
+def p_Type (t):
+ '''Type : BuiltinType
+ | ReferencedType
+ | ConstrainedType'''
+ t[0] = t[1]
+
+# 16.2
+def p_BuiltinType (t):
+ '''BuiltinType : AnyType
+ | BitStringType
+ | BooleanType
+ | CharacterStringType
+ | ChoiceType
+ | EmbeddedPDVType
+ | EnumeratedType
+ | ExternalType
+ | InstanceOfType
+ | IntegerType
+ | NullType
+ | ObjectClassFieldType
+ | ObjectIdentifierType
+ | OctetStringType
+ | RealType
+ | RelativeOIDType
+ | SequenceType
+ | SequenceOfType
+ | SetType
+ | SetOfType
+ | TaggedType'''
+ t[0] = t[1]
+
+# 16.3
+def p_ReferencedType (t):
+ '''ReferencedType : DefinedType
+ | UsefulType
+ | SelectionType'''
+ t[0] = t[1]
+
+# 16.5
+def p_NamedType (t):
+ 'NamedType : identifier Type'
+ t[0] = t[2]
+ t[0].SetName (t[1])
+
+# 16.7
+def p_Value (t):
+ '''Value : BuiltinValue
+ | ReferencedValue
+ | ObjectClassFieldValue'''
+ t[0] = t[1]
+
+# 16.9
+def p_BuiltinValue (t):
+ '''BuiltinValue : BooleanValue
+ | ChoiceValue
+ | IntegerValue
+ | ObjectIdentifierValue
+ | RealValue
+ | SequenceValue
+ | hex_string
+ | binary_string
+ | char_string''' # XXX we don't support {data} here
+ t[0] = t[1]
+
+# 16.11
+def p_ReferencedValue (t):
+ '''ReferencedValue : DefinedValue
+ | ValueFromObject'''
+ t[0] = t[1]
+
+# 16.13
+#def p_NamedValue (t):
+# 'NamedValue : identifier Value'
+# t[0] = Node ('NamedValue', ident = t[1], value = t[2])
+
+
+# 17 Notation for the boolean type --------------------------------------------
+
+# 17.1
+def p_BooleanType (t):
+ 'BooleanType : BOOLEAN'
+ t[0] = BooleanType ()
+
+# 17.2
+def p_BooleanValue (t):
+ '''BooleanValue : TRUE
+ | FALSE'''
+ t[0] = t[1]
+
+
+# 18 Notation for the integer type --------------------------------------------
+
+# 18.1
+def p_IntegerType_1 (t):
+ 'IntegerType : INTEGER'
+ t[0] = IntegerType (named_list = None)
+
+def p_IntegerType_2 (t):
+ 'IntegerType : INTEGER LBRACE NamedNumberList RBRACE'
+ t[0] = IntegerType(named_list = t[3])
+
+def p_NamedNumberList_1 (t):
+ 'NamedNumberList : NamedNumber'
+ t[0] = [t[1]]
+
+def p_NamedNumberList_2 (t):
+ 'NamedNumberList : NamedNumberList COMMA NamedNumber'
+ t[0] = t[1] + [t[3]]
+
+def p_NamedNumber (t):
+ '''NamedNumber : identifier LPAREN SignedNumber RPAREN
+ | identifier LPAREN DefinedValue RPAREN'''
+ t[0] = NamedNumber(ident = t[1], val = t[3])
+
+def p_SignedNumber_1 (t):
+ 'SignedNumber : NUMBER'
+ t[0] = t [1]
+
+def p_SignedNumber_2 (t):
+ 'SignedNumber : MINUS NUMBER'
+ t[0] = '-' + t[2]
+
+# 18.9
+def p_IntegerValue (t):
+ 'IntegerValue : SignedNumber'
+ t[0] = t [1]
+
+# 19 Notation for the enumerated type -----------------------------------------
+
+# 19.1
+def p_EnumeratedType (t):
+ 'EnumeratedType : ENUMERATED LBRACE Enumerations RBRACE'
+ t[0] = EnumeratedType (val = t[3]['val'], ext = t[3]['ext'])
+
+def p_Enumerations_1 (t):
+ 'Enumerations : Enumeration'
+ t[0] = { 'val' : t[1], 'ext' : None }
+
+def p_Enumerations_2 (t):
+ 'Enumerations : Enumeration COMMA ELLIPSIS ExceptionSpec'
+ t[0] = { 'val' : t[1], 'ext' : [] }
+
+def p_Enumerations_3 (t):
+ 'Enumerations : Enumeration COMMA ELLIPSIS ExceptionSpec COMMA Enumeration'
+ t[0] = { 'val' : t[1], 'ext' : t[6] }
+
+def p_Enumeration_1 (t):
+ 'Enumeration : EnumerationItem'
+ t[0] = [t[1]]
+
+def p_Enumeration_2 (t):
+ 'Enumeration : Enumeration COMMA EnumerationItem'
+ t[0] = t[1] + [t[3]]
+
+def p_EnumerationItem (t):
+ '''EnumerationItem : Identifier
+ | NamedNumber'''
+ t[0] = t[1]
+
+def p_Identifier (t):
+ 'Identifier : identifier'
+ t[0] = Node ('Identifier', ident = t[1])
+
+
+# 20 Notation for the real type -----------------------------------------------
+
+# 20.1
+def p_RealType (t):
+ 'RealType : REAL'
+ t[0] = RealType ()
+
+# 20.6
+def p_RealValue (t):
+ '''RealValue : REAL_NUMBER
+ | SpecialRealValue'''
+ t[0] = t [1]
+
+def p_SpecialRealValue (t):
+ '''SpecialRealValue : PLUS_INFINITY
+ | MINUS_INFINITY'''
+ t[0] = t[1]
+
+
+# 21 Notation for the bitstring type ------------------------------------------
+
+# 21.1
+def p_BitStringType_1 (t):
+ 'BitStringType : BIT STRING'
+ t[0] = BitStringType (named_list = None)
+
+def p_BitStringType_2 (t):
+ 'BitStringType : BIT STRING LBRACE NamedBitList RBRACE'
+ t[0] = BitStringType (named_list = t[4])
+
+def p_NamedBitList_1 (t):
+ 'NamedBitList : NamedBit'
+ t[0] = [t[1]]
+
+def p_NamedBitList_2 (t):
+ 'NamedBitList : NamedBitList COMMA NamedBit'
+ t[0] = t[1] + [t[3]]
+
+def p_NamedBit (t):
+ '''NamedBit : identifier LPAREN NUMBER RPAREN
+ | identifier LPAREN DefinedValue RPAREN'''
+ t[0] = NamedNumber (ident = t[1], val = t[3])
+
+
+# 22 Notation for the octetstring type ----------------------------------------
+
+# 22.1
+def p_OctetStringType (t):
+ 'OctetStringType : OCTET STRING'
+ t[0] = OctetStringType ()
+
+
+# 23 Notation for the null type -----------------------------------------------
+
+# 23.1
+def p_NullType (t):
+ 'NullType : NULL'
+ t[0] = NullType ()
+
+# 23.3
+def p_NullValue (t):
+ 'NullValue : NULL'
+ t[0] = NullValue ()
+
+
+# 24 Notation for sequence types ----------------------------------------------
+
+# 24.1
+def p_SequenceType_1 (t):
+ 'SequenceType : SEQUENCE LBRACE RBRACE'
+ t[0] = SequenceType (elt_list = [])
+
+def p_SequenceType_2 (t):
+ 'SequenceType : SEQUENCE LBRACE ComponentTypeLists RBRACE'
+ t[0] = SequenceType (elt_list = t[3]['elt_list'])
+ if 'ext_list' in t[3]:
+ t[0].ext_list = t[3]['ext_list']
+ if 'elt_list2' in t[3]:
+ t[0].elt_list2 = t[3]['elt_list2']
+
+def p_ExtensionAndException_1 (t):
+ 'ExtensionAndException : ELLIPSIS'
+ t[0] = []
+
+def p_OptionalExtensionMarker_1 (t):
+ 'OptionalExtensionMarker : COMMA ELLIPSIS'
+ t[0] = True
+
+def p_OptionalExtensionMarker_2 (t):
+ 'OptionalExtensionMarker : '
+ t[0] = False
+
+def p_ComponentTypeLists_1 (t):
+ 'ComponentTypeLists : ComponentTypeList'
+ t[0] = {'elt_list' : t[1]}
+
+def p_ComponentTypeLists_2 (t):
+ 'ComponentTypeLists : ComponentTypeList COMMA ExtensionAndException OptionalExtensionMarker'
+ t[0] = {'elt_list' : t[1], 'ext_list' : []}
+
+def p_ComponentTypeLists_3 (t):
+ 'ComponentTypeLists : ComponentTypeList COMMA ExtensionAndException ExtensionAdditionList OptionalExtensionMarker'
+ t[0] = {'elt_list' : t[1], 'ext_list' : t[4]}
+
+def p_ComponentTypeLists_4 (t):
+ 'ComponentTypeLists : ComponentTypeList COMMA ExtensionAndException ExtensionEndMarker COMMA ComponentTypeList'
+ t[0] = {'elt_list' : t[1], 'ext_list' : [], 'elt_list2' : t[6]}
+
+def p_ComponentTypeLists_5 (t):
+ 'ComponentTypeLists : ComponentTypeList COMMA ExtensionAndException ExtensionAdditionList ExtensionEndMarker COMMA ComponentTypeList'
+ t[0] = {'elt_list' : t[1], 'ext_list' : t[4], 'elt_list2' : t[7]}
+
+def p_ComponentTypeLists_6 (t):
+ 'ComponentTypeLists : ExtensionAndException OptionalExtensionMarker'
+ t[0] = {'elt_list' : [], 'ext_list' : []}
+
+def p_ComponentTypeLists_7 (t):
+ 'ComponentTypeLists : ExtensionAndException ExtensionAdditionList OptionalExtensionMarker'
+ t[0] = {'elt_list' : [], 'ext_list' : t[2]}
+
+def p_ExtensionEndMarker (t):
+ 'ExtensionEndMarker : COMMA ELLIPSIS'
+ pass
+
+def p_ExtensionAdditionList_1 (t):
+ 'ExtensionAdditionList : COMMA ExtensionAddition'
+ t[0] = [t[2]]
+
+def p_ExtensionAdditionList_2 (t):
+ 'ExtensionAdditionList : ExtensionAdditionList COMMA ExtensionAddition'
+ t[0] = t[1] + [t[3]]
+
+def p_ExtensionAddition_1 (t):
+ 'ExtensionAddition : ExtensionAdditionGroup'
+ t[0] = Node ('elt_type', val = t[1], optional = 0)
+
+def p_ExtensionAddition_2 (t):
+ 'ExtensionAddition : ComponentType'
+ t[0] = t[1]
+
+def p_ExtensionAdditionGroup (t):
+ 'ExtensionAdditionGroup : LVERBRACK VersionNumber ComponentTypeList RVERBRACK'
+ t[0] = ExtensionAdditionGroup (ver = t[2], elt_list = t[3])
+
+def p_VersionNumber_1 (t):
+ 'VersionNumber : '
+
+def p_VersionNumber_2 (t):
+ 'VersionNumber : NUMBER COLON'
+ t[0] = t[1]
+
+def p_ComponentTypeList_1 (t):
+ 'ComponentTypeList : ComponentType'
+ t[0] = [t[1]]
+
+def p_ComponentTypeList_2 (t):
+ 'ComponentTypeList : ComponentTypeList COMMA ComponentType'
+ t[0] = t[1] + [t[3]]
+
+def p_ComponentType_1 (t):
+ 'ComponentType : NamedType'
+ t[0] = Node ('elt_type', val = t[1], optional = 0)
+
+def p_ComponentType_2 (t):
+ 'ComponentType : NamedType OPTIONAL'
+ t[0] = Node ('elt_type', val = t[1], optional = 1)
+
+def p_ComponentType_3 (t):
+ 'ComponentType : NamedType DEFAULT DefaultValue'
+ t[0] = Node ('elt_type', val = t[1], optional = 1, default = t[3])
+
+def p_ComponentType_4 (t):
+ 'ComponentType : COMPONENTS OF Type'
+ t[0] = Node ('components_of', typ = t[3])
+
+def p_DefaultValue_1 (t):
+ '''DefaultValue : ReferencedValue
+ | BooleanValue
+ | ChoiceValue
+ | IntegerValue
+ | RealValue
+ | hex_string
+ | binary_string
+ | char_string
+ | ObjectClassFieldValue'''
+ t[0] = t[1]
+
+def p_DefaultValue_2 (t):
+ 'DefaultValue : lbraceignore rbraceignore'
+ t[0] = ''
+
+# 24.17
+def p_SequenceValue_1 (t):
+ 'SequenceValue : LBRACE RBRACE'
+ t[0] = []
+
+
+#def p_SequenceValue_2 (t):
+# 'SequenceValue : LBRACE ComponentValueList RBRACE'
+# t[0] = t[2]
+
+#def p_ComponentValueList_1 (t):
+# 'ComponentValueList : NamedValue'
+# t[0] = [t[1]]
+
+#def p_ComponentValueList_2 (t):
+# 'ComponentValueList : ComponentValueList COMMA NamedValue'
+# t[0] = t[1] + [t[3]]
+
+
+# 25 Notation for sequence-of types -------------------------------------------
+
+# 25.1
+def p_SequenceOfType (t):
+ '''SequenceOfType : SEQUENCE OF Type
+ | SEQUENCE OF NamedType'''
+ t[0] = SequenceOfType (val = t[3], size_constr = None)
+
+
+# 26 Notation for set types ---------------------------------------------------
+
+# 26.1
+def p_SetType_1 (t):
+ 'SetType : SET LBRACE RBRACE'
+ t[0] = SetType (elt_list = [])
+
+def p_SetType_2 (t):
+ 'SetType : SET LBRACE ComponentTypeLists RBRACE'
+ t[0] = SetType (elt_list = t[3]['elt_list'])
+ if 'ext_list' in t[3]:
+ t[0].ext_list = t[3]['ext_list']
+ if 'elt_list2' in t[3]:
+ t[0].elt_list2 = t[3]['elt_list2']
+
+
+# 27 Notation for set-of types ------------------------------------------------
+
+# 27.1
+def p_SetOfType (t):
+ '''SetOfType : SET OF Type
+ | SET OF NamedType'''
+ t[0] = SetOfType (val = t[3])
+
+# 28 Notation for choice types ------------------------------------------------
+
+# 28.1
+def p_ChoiceType (t):
+ 'ChoiceType : CHOICE LBRACE AlternativeTypeLists RBRACE'
+ if 'ext_list' in t[3]:
+ t[0] = ChoiceType (elt_list = t[3]['elt_list'], ext_list = t[3]['ext_list'])
+ else:
+ t[0] = ChoiceType (elt_list = t[3]['elt_list'])
+
+def p_AlternativeTypeLists_1 (t):
+ 'AlternativeTypeLists : AlternativeTypeList'
+ t[0] = {'elt_list' : t[1]}
+
+def p_AlternativeTypeLists_2 (t):
+ 'AlternativeTypeLists : AlternativeTypeList COMMA ExtensionAndException ExtensionAdditionAlternatives OptionalExtensionMarker'
+ t[0] = {'elt_list' : t[1], 'ext_list' : t[4]}
+
+def p_ExtensionAdditionAlternatives_1 (t):
+ 'ExtensionAdditionAlternatives : ExtensionAdditionAlternativesList'
+ t[0] = t[1]
+
+def p_ExtensionAdditionAlternatives_2 (t):
+ 'ExtensionAdditionAlternatives : '
+ t[0] = []
+
+def p_ExtensionAdditionAlternativesList_1 (t):
+ 'ExtensionAdditionAlternativesList : COMMA ExtensionAdditionAlternative'
+ t[0] = t[2]
+
+def p_ExtensionAdditionAlternativesList_2 (t):
+ 'ExtensionAdditionAlternativesList : ExtensionAdditionAlternativesList COMMA ExtensionAdditionAlternative'
+ t[0] = t[1] + t[3]
+
+def p_ExtensionAdditionAlternative_1 (t):
+ 'ExtensionAdditionAlternative : NamedType'
+ t[0] = [t[1]]
+
+def p_ExtensionAdditionAlternative_2 (t):
+ 'ExtensionAdditionAlternative : ExtensionAdditionAlternativesGroup'
+ t[0] = t[1]
+
+def p_ExtensionAdditionAlternativesGroup (t):
+ 'ExtensionAdditionAlternativesGroup : LVERBRACK VersionNumber AlternativeTypeList RVERBRACK'
+ t[0] = t[3]
+
+def p_AlternativeTypeList_1 (t):
+ 'AlternativeTypeList : NamedType'
+ t[0] = [t[1]]
+
+def p_AlternativeTypeList_2 (t):
+ 'AlternativeTypeList : AlternativeTypeList COMMA NamedType'
+ t[0] = t[1] + [t[3]]
+
+# 28.10
+def p_ChoiceValue_1 (t):
+ '''ChoiceValue : identifier COLON Value
+ | identifier COLON NullValue '''
+ val = t[3]
+ if not isinstance(val, Value):
+ val = Value(val=val)
+ t[0] = ChoiceValue (choice = t[1], val = val)
+
+# 29 Notation for selection types
+
+# 29.1
+def p_SelectionType (t): #
+ 'SelectionType : identifier LT Type'
+ t[0] = SelectionType (typ = t[3], sel = t[1])
+
+# 30 Notation for tagged types ------------------------------------------------
+
+# 30.1
+def p_TaggedType_1 (t):
+ 'TaggedType : Tag Type'
+ t[1].mode = 'default'
+ t[0] = t[2]
+ t[0].AddTag(t[1])
+
+def p_TaggedType_2 (t):
+ '''TaggedType : Tag IMPLICIT Type
+ | Tag EXPLICIT Type'''
+ t[1].mode = t[2]
+ t[0] = t[3]
+ t[0].AddTag(t[1])
+
+def p_Tag (t):
+ 'Tag : LBRACK Class ClassNumber RBRACK'
+ t[0] = Tag(cls = t[2], num = t[3])
+
+def p_ClassNumber_1 (t):
+ 'ClassNumber : number'
+ t[0] = t[1]
+
+def p_ClassNumber_2 (t):
+ 'ClassNumber : DefinedValue'
+ t[0] = t[1]
+
+def p_Class_1 (t):
+ '''Class : UNIVERSAL
+ | APPLICATION
+ | PRIVATE'''
+ t[0] = t[1]
+
+def p_Class_2 (t):
+ 'Class :'
+ t[0] = 'CONTEXT'
+
+
+# 31 Notation for the object identifier type ----------------------------------
+
+# 31.1
+def p_ObjectIdentifierType (t):
+ 'ObjectIdentifierType : OBJECT IDENTIFIER'
+ t[0] = ObjectIdentifierType()
+
+# 31.3
+def p_ObjectIdentifierValue (t):
+ 'ObjectIdentifierValue : LBRACE oid_comp_list RBRACE'
+ t[0] = ObjectIdentifierValue (comp_list=t[2])
+
+def p_oid_comp_list_1 (t):
+ 'oid_comp_list : oid_comp_list ObjIdComponents'
+ t[0] = t[1] + [t[2]]
+
+def p_oid_comp_list_2 (t):
+ 'oid_comp_list : ObjIdComponents'
+ t[0] = [t[1]]
+
+def p_ObjIdComponents (t):
+ '''ObjIdComponents : NameForm
+ | NumberForm
+ | NameAndNumberForm'''
+ t[0] = t[1]
+
+def p_NameForm (t):
+ '''NameForm : LCASE_IDENT
+ | LCASE_IDENT_ASSIGNED'''
+ t [0] = t[1]
+
+def p_NumberForm (t):
+ '''NumberForm : NUMBER'''
+# | DefinedValue'''
+ t [0] = t[1]
+
+def p_NameAndNumberForm (t):
+ '''NameAndNumberForm : LCASE_IDENT_ASSIGNED LPAREN NumberForm RPAREN
+ | LCASE_IDENT LPAREN NumberForm RPAREN'''
+ t[0] = Node('name_and_number', ident = t[1], number = t[3])
+
+# 32 Notation for the relative object identifier type -------------------------
+
+# 32.1
+def p_RelativeOIDType (t):
+ 'RelativeOIDType : RELATIVE_OID'
+ t[0] = RelativeOIDType()
+
+# 33 Notation for the embedded-pdv type ---------------------------------------
+
+# 33.1
+def p_EmbeddedPDVType (t):
+ 'EmbeddedPDVType : EMBEDDED PDV'
+ t[0] = EmbeddedPDVType()
+
+# 34 Notation for the external type -------------------------------------------
+
+# 34.1
+def p_ExternalType (t):
+ 'ExternalType : EXTERNAL'
+ t[0] = ExternalType()
+
+# 36 Notation for character string types --------------------------------------
+
+# 36.1
+def p_CharacterStringType (t):
+ '''CharacterStringType : RestrictedCharacterStringType
+ | UnrestrictedCharacterStringType'''
+ t[0] = t[1]
+
+
+# 37 Definition of restricted character string types --------------------------
+
+def p_RestrictedCharacterStringType_1 (t):
+ 'RestrictedCharacterStringType : BMPString'
+ t[0] = BMPStringType ()
+def p_RestrictedCharacterStringType_2 (t):
+ 'RestrictedCharacterStringType : GeneralString'
+ t[0] = GeneralStringType ()
+def p_RestrictedCharacterStringType_3 (t):
+ 'RestrictedCharacterStringType : GraphicString'
+ t[0] = GraphicStringType ()
+def p_RestrictedCharacterStringType_4 (t):
+ 'RestrictedCharacterStringType : IA5String'
+ t[0] = IA5StringType ()
+def p_RestrictedCharacterStringType_5 (t):
+ 'RestrictedCharacterStringType : ISO646String'
+ t[0] = ISO646StringType ()
+def p_RestrictedCharacterStringType_6 (t):
+ 'RestrictedCharacterStringType : NumericString'
+ t[0] = NumericStringType ()
+def p_RestrictedCharacterStringType_7 (t):
+ 'RestrictedCharacterStringType : PrintableString'
+ t[0] = PrintableStringType ()
+def p_RestrictedCharacterStringType_8 (t):
+ 'RestrictedCharacterStringType : TeletexString'
+ t[0] = TeletexStringType ()
+def p_RestrictedCharacterStringType_9 (t):
+ 'RestrictedCharacterStringType : T61String'
+ t[0] = T61StringType ()
+def p_RestrictedCharacterStringType_10 (t):
+ 'RestrictedCharacterStringType : UniversalString'
+ t[0] = UniversalStringType ()
+def p_RestrictedCharacterStringType_11 (t):
+ 'RestrictedCharacterStringType : UTF8String'
+ t[0] = UTF8StringType ()
+def p_RestrictedCharacterStringType_12 (t):
+ 'RestrictedCharacterStringType : VideotexString'
+ t[0] = VideotexStringType ()
+def p_RestrictedCharacterStringType_13 (t):
+ 'RestrictedCharacterStringType : VisibleString'
+ t[0] = VisibleStringType ()
+
+
+# 40 Definition of unrestricted character string types ------------------------
+
+# 40.1
+def p_UnrestrictedCharacterStringType (t):
+ 'UnrestrictedCharacterStringType : CHARACTER STRING'
+ t[0] = UnrestrictedCharacterStringType ()
+
+
+# 41 Notation for types defined in clauses 42 to 44 ---------------------------
+
+# 42 Generalized time ---------------------------------------------------------
+
+def p_UsefulType_1 (t):
+ 'UsefulType : GeneralizedTime'
+ t[0] = GeneralizedTime()
+
+# 43 Universal time -----------------------------------------------------------
+
+def p_UsefulType_2 (t):
+ 'UsefulType : UTCTime'
+ t[0] = UTCTime()
+
+# 44 The object descriptor type -----------------------------------------------
+
+def p_UsefulType_3 (t):
+ 'UsefulType : ObjectDescriptor'
+ t[0] = ObjectDescriptor()
+
+
+# 45 Constrained types --------------------------------------------------------
+
+# 45.1
+def p_ConstrainedType_1 (t):
+ 'ConstrainedType : Type Constraint'
+ t[0] = t[1]
+ t[0].AddConstraint(t[2])
+
+def p_ConstrainedType_2 (t):
+ 'ConstrainedType : TypeWithConstraint'
+ t[0] = t[1]
+
+# 45.5
+def p_TypeWithConstraint_1 (t):
+ '''TypeWithConstraint : SET Constraint OF Type
+ | SET SizeConstraint OF Type'''
+ t[0] = SetOfType (val = t[4], constr = t[2])
+
+def p_TypeWithConstraint_2 (t):
+ '''TypeWithConstraint : SEQUENCE Constraint OF Type
+ | SEQUENCE SizeConstraint OF Type'''
+ t[0] = SequenceOfType (val = t[4], constr = t[2])
+
+def p_TypeWithConstraint_3 (t):
+ '''TypeWithConstraint : SET Constraint OF NamedType
+ | SET SizeConstraint OF NamedType'''
+ t[0] = SetOfType (val = t[4], constr = t[2])
+
+def p_TypeWithConstraint_4 (t):
+ '''TypeWithConstraint : SEQUENCE Constraint OF NamedType
+ | SEQUENCE SizeConstraint OF NamedType'''
+ t[0] = SequenceOfType (val = t[4], constr = t[2])
+
+# 45.6
+# 45.7
+def p_Constraint (t):
+ 'Constraint : LPAREN ConstraintSpec ExceptionSpec RPAREN'
+ t[0] = t[2]
+
+def p_ConstraintSpec (t):
+ '''ConstraintSpec : ElementSetSpecs
+ | GeneralConstraint'''
+ t[0] = t[1]
+
+# 46 Element set specification ------------------------------------------------
+
+# 46.1
+def p_ElementSetSpecs_1 (t):
+ 'ElementSetSpecs : RootElementSetSpec'
+ t[0] = t[1]
+
+def p_ElementSetSpecs_2 (t):
+ 'ElementSetSpecs : RootElementSetSpec COMMA ELLIPSIS'
+ t[0] = t[1]
+ t[0].ext = True
+
+def p_ElementSetSpecs_3 (t):
+ 'ElementSetSpecs : RootElementSetSpec COMMA ELLIPSIS COMMA AdditionalElementSetSpec'
+ t[0] = t[1]
+ t[0].ext = True
+
+def p_RootElementSetSpec (t):
+ 'RootElementSetSpec : ElementSetSpec'
+ t[0] = t[1]
+
+def p_AdditionalElementSetSpec (t):
+ 'AdditionalElementSetSpec : ElementSetSpec'
+ t[0] = t[1]
+
+def p_ElementSetSpec (t):
+ 'ElementSetSpec : Unions'
+ t[0] = t[1]
+
+def p_Unions_1 (t):
+ 'Unions : Intersections'
+ t[0] = t[1]
+
+def p_Unions_2 (t):
+ 'Unions : UElems UnionMark Intersections'
+ t[0] = Constraint(type = 'Union', subtype = [t[1], t[3]])
+
+def p_UElems (t):
+ 'UElems : Unions'
+ t[0] = t[1]
+
+def p_Intersections_1 (t):
+ 'Intersections : IntersectionElements'
+ t[0] = t[1]
+
+def p_Intersections_2 (t):
+ 'Intersections : IElems IntersectionMark IntersectionElements'
+ t[0] = Constraint(type = 'Intersection', subtype = [t[1], t[3]])
+
+def p_IElems (t):
+ 'IElems : Intersections'
+ t[0] = t[1]
+
+def p_IntersectionElements (t):
+ 'IntersectionElements : Elements'
+ t[0] = t[1]
+
+def p_UnionMark (t):
+ '''UnionMark : BAR
+ | UNION'''
+
+def p_IntersectionMark (t):
+ '''IntersectionMark : CIRCUMFLEX
+ | INTERSECTION'''
+
+# 46.5
+def p_Elements_1 (t):
+ 'Elements : SubtypeElements'
+ t[0] = t[1]
+
+def p_Elements_2 (t):
+ 'Elements : LPAREN ElementSetSpec RPAREN'
+ t[0] = t[2]
+
+# 47 Subtype elements ---------------------------------------------------------
+
+# 47.1 General
+def p_SubtypeElements (t):
+ '''SubtypeElements : SingleValue
+ | ContainedSubtype
+ | ValueRange
+ | PermittedAlphabet
+ | SizeConstraint
+ | TypeConstraint
+ | InnerTypeConstraints
+ | PatternConstraint'''
+ t[0] = t[1]
+
+# 47.2 Single value
+# 47.2.1
+def p_SingleValue (t):
+ 'SingleValue : Value'
+ t[0] = Constraint(type = 'SingleValue', subtype = t[1])
+
+# 47.3 Contained subtype
+# 47.3.1
+def p_ContainedSubtype (t):
+ 'ContainedSubtype : Includes Type'
+ t[0] = Constraint(type = 'ContainedSubtype', subtype = t[2])
+
+def p_Includes (t):
+ '''Includes : INCLUDES
+ | '''
+
+# 47.4 Value range
+# 47.4.1
+def p_ValueRange (t):
+ 'ValueRange : LowerEndpoint RANGE UpperEndpoint'
+ t[0] = Constraint(type = 'ValueRange', subtype = [t[1], t[3]])
+
+# 47.4.3
+def p_LowerEndpoint_1 (t):
+ 'LowerEndpoint : LowerEndValue'
+ t[0] = t[1]
+
+def p_LowerEndpoint_2 (t):
+ 'LowerEndpoint : LowerEndValue LT'
+ t[0] = t[1] # but not inclusive range
+
+def p_UpperEndpoint_1 (t):
+ 'UpperEndpoint : UpperEndValue'
+ t[0] = t[1]
+
+def p_UpperEndpoint_2 (t):
+ 'UpperEndpoint : LT UpperEndValue'
+ t[0] = t[1] # but not inclusive range
+
+# 47.4.4
+def p_LowerEndValue (t):
+ '''LowerEndValue : Value
+ | MIN'''
+ t[0] = t[1] # XXX
+
+def p_UpperEndValue (t):
+ '''UpperEndValue : Value
+ | MAX'''
+ t[0] = t[1]
+
+# 47.5 Size constraint
+# 47.5.1
+def p_SizeConstraint (t):
+ 'SizeConstraint : SIZE Constraint'
+ t[0] = Constraint (type = 'Size', subtype = t[2])
+
+# 47.6 Type constraint
+# 47.6.1
+def p_TypeConstraint (t):
+ 'TypeConstraint : Type'
+ t[0] = Constraint (type = 'Type', subtype = t[1])
+
+# 47.7 Permitted alphabet
+# 47.7.1
+def p_PermittedAlphabet (t):
+ 'PermittedAlphabet : FROM Constraint'
+ t[0] = Constraint (type = 'From', subtype = t[2])
+
+# 47.8 Inner subtyping
+# 47.8.1
+def p_InnerTypeConstraints (t):
+ '''InnerTypeConstraints : WITH COMPONENT SingleTypeConstraint
+ | WITH COMPONENTS MultipleTypeConstraints'''
+ pass # ignore PER invisible constraint
+
+# 47.8.3
+def p_SingleTypeConstraint (t):
+ 'SingleTypeConstraint : Constraint'
+ t[0] = t[1]
+
+# 47.8.4
+def p_MultipleTypeConstraints (t):
+ '''MultipleTypeConstraints : FullSpecification
+ | PartialSpecification'''
+ t[0] = t[1]
+
+def p_FullSpecification (t):
+ 'FullSpecification : LBRACE TypeConstraints RBRACE'
+ t[0] = t[2]
+
+def p_PartialSpecification (t):
+ 'PartialSpecification : LBRACE ELLIPSIS COMMA TypeConstraints RBRACE'
+ t[0] = t[4]
+
+def p_TypeConstraints_1 (t):
+ 'TypeConstraints : named_constraint'
+ t [0] = [t[1]]
+
+def p_TypeConstraints_2 (t):
+ 'TypeConstraints : TypeConstraints COMMA named_constraint'
+ t[0] = t[1] + [t[3]]
+
+def p_named_constraint_1 (t):
+ 'named_constraint : identifier constraint'
+ return Node ('named_constraint', ident = t[1], constr = t[2])
+
+def p_named_constraint_2 (t):
+ 'named_constraint : constraint'
+ return Node ('named_constraint', constr = t[1])
+
+def p_constraint (t):
+ 'constraint : value_constraint presence_constraint'
+ t[0] = Node ('constraint', value = t[1], presence = t[2])
+
+def p_value_constraint_1 (t):
+ 'value_constraint : Constraint'
+ t[0] = t[1]
+
+def p_value_constraint_2 (t):
+ 'value_constraint : '
+ pass
+
+def p_presence_constraint_1 (t):
+ '''presence_constraint : PRESENT
+ | ABSENT
+ | OPTIONAL'''
+ t[0] = t[1]
+
+def p_presence_constraint_2 (t):
+ '''presence_constraint : '''
+ pass
+
+# 47.9 Pattern constraint
+# 47.9.1
+def p_PatternConstraint (t):
+ 'PatternConstraint : PATTERN Value'
+ t[0] = Constraint (type = 'Pattern', subtype = t[2])
+
+# 49 The exception identifier
+
+# 49.4
+def p_ExceptionSpec_1 (t):
+ 'ExceptionSpec : EXCLAMATION ExceptionIdentification'
+ pass
+
+def p_ExceptionSpec_2 (t):
+ 'ExceptionSpec : '
+ pass
+
+def p_ExceptionIdentification (t):
+ '''ExceptionIdentification : SignedNumber
+ | DefinedValue
+ | Type COLON Value '''
+ pass
+
+# /*-----------------------------------------------------------------------*/
+# /* Value Notation Productions */
+# /*-----------------------------------------------------------------------*/
+
+
+
+def p_binary_string (t):
+ 'binary_string : BSTRING'
+ t[0] = BStringValue(val = t[1])
+
+def p_hex_string (t):
+ 'hex_string : HSTRING'
+ t[0] = HStringValue(val = t[1])
+
+def p_char_string (t):
+ 'char_string : QSTRING'
+ t[0] = t[1]
+
+def p_number (t):
+ 'number : NUMBER'
+ t[0] = t[1]
+
+
+#--- ITU-T Recommendation X.208 -----------------------------------------------
+
+# 27 Notation for the any type ------------------------------------------------
+
+# 27.1
+def p_AnyType (t):
+ '''AnyType : ANY
+ | ANY DEFINED BY identifier'''
+ t[0] = AnyType()
+
+#--- ITU-T Recommendation X.681 -----------------------------------------------
+
+# 7 ASN.1 lexical items -------------------------------------------------------
+
+# 7.1 Information object class references
+
+def p_objectclassreference (t):
+ 'objectclassreference : CLASS_IDENT'
+ t[0] = Class_Ref(val=t[1])
+
+# 7.2 Information object references
+
+def p_objectreference (t):
+ 'objectreference : LCASE_IDENT'
+ t[0] = t[1]
+
+# 7.3 Information object set references
+
+#def p_objectsetreference (t):
+# 'objectsetreference : UCASE_IDENT'
+# t[0] = t[1]
+
+# 7.4 Type field references
+# ucasefieldreference
+# 7.5 Value field references
+# lcasefieldreference
+# 7.6 Value set field references
+# ucasefieldreference
+# 7.7 Object field references
+# lcasefieldreference
+# 7.8 Object set field references
+# ucasefieldreference
+
+def p_ucasefieldreference (t):
+ 'ucasefieldreference : AMPERSAND UCASE_IDENT'
+ t[0] = '&' + t[2]
+
+def p_lcasefieldreference (t):
+ 'lcasefieldreference : AMPERSAND LCASE_IDENT'
+ t[0] = '&' + t[2]
+
+# 8 Referencing definitions
+
+# 8.1
+def p_DefinedObjectClass (t):
+ '''DefinedObjectClass : objectclassreference
+ | UsefulObjectClassReference'''
+ t[0] = t[1]
+ global obj_class
+ obj_class = t[0].val
+
+def p_DefinedObject (t):
+ '''DefinedObject : objectreference'''
+ t[0] = t[1]
+
+# 8.4
+def p_UsefulObjectClassReference (t):
+ '''UsefulObjectClassReference : TYPE_IDENTIFIER
+ | ABSTRACT_SYNTAX'''
+ t[0] = Class_Ref(val=t[1])
+
+# 9 Information object class definition and assignment
+
+# 9.1
+def p_ObjectClassAssignment (t):
+ '''ObjectClassAssignment : CLASS_IDENT ASSIGNMENT ObjectClass
+ | UCASE_IDENT ASSIGNMENT ObjectClass'''
+ t[0] = t[3]
+ t[0].SetName(t[1])
+ if isinstance(t[0], ObjectClassDefn):
+ t[0].reg_types()
+
+# 9.2
+def p_ObjectClass (t):
+ '''ObjectClass : DefinedObjectClass
+ | ObjectClassDefn
+ | ParameterizedObjectClass '''
+ t[0] = t[1]
+
+# 9.3
+def p_ObjectClassDefn (t):
+ '''ObjectClassDefn : CLASS LBRACE FieldSpecs RBRACE
+ | CLASS LBRACE FieldSpecs RBRACE WithSyntaxSpec'''
+ t[0] = ObjectClassDefn(fields = t[3])
+
+def p_FieldSpecs_1 (t):
+ 'FieldSpecs : FieldSpec'
+ t[0] = [t[1]]
+
+def p_FieldSpecs_2 (t):
+ 'FieldSpecs : FieldSpecs COMMA FieldSpec'
+ t[0] = t[1] + [t[3]]
+
+def p_WithSyntaxSpec (t):
+ 'WithSyntaxSpec : WITH SYNTAX lbraceignore rbraceignore'
+ t[0] = None
+
+# 9.4
+def p_FieldSpec (t):
+ '''FieldSpec : TypeFieldSpec
+ | FixedTypeValueFieldSpec
+ | VariableTypeValueFieldSpec
+ | FixedTypeValueSetFieldSpec
+ | ObjectFieldSpec
+ | ObjectSetFieldSpec '''
+ t[0] = t[1]
+
+# 9.5
+def p_TypeFieldSpec (t):
+ '''TypeFieldSpec : ucasefieldreference
+ | ucasefieldreference TypeOptionalitySpec '''
+ t[0] = TypeFieldSpec()
+ t[0].SetName(t[1])
+
+def p_TypeOptionalitySpec_1 (t):
+ 'TypeOptionalitySpec ::= OPTIONAL'
+ pass
+
+def p_TypeOptionalitySpec_2 (t):
+ 'TypeOptionalitySpec ::= DEFAULT Type'
+ pass
+
+# 9.6
+def p_FixedTypeValueFieldSpec (t):
+ '''FixedTypeValueFieldSpec : lcasefieldreference Type
+ | lcasefieldreference Type UNIQUE
+ | lcasefieldreference Type ValueOptionalitySpec
+ | lcasefieldreference Type UNIQUE ValueOptionalitySpec '''
+ t[0] = FixedTypeValueFieldSpec(typ = t[2])
+ t[0].SetName(t[1])
+
+def p_ValueOptionalitySpec_1 (t):
+ 'ValueOptionalitySpec ::= OPTIONAL'
+ pass
+
+def p_ValueOptionalitySpec_2 (t):
+ 'ValueOptionalitySpec ::= DEFAULT Value'
+ pass
+
+# 9.8
+
+def p_VariableTypeValueFieldSpec (t):
+ '''VariableTypeValueFieldSpec : lcasefieldreference FieldName
+ | lcasefieldreference FieldName ValueOptionalitySpec '''
+ t[0] = VariableTypeValueFieldSpec()
+ t[0].SetName(t[1])
+
+# 9.9
+def p_FixedTypeValueSetFieldSpec (t):
+ '''FixedTypeValueSetFieldSpec : ucasefieldreference Type
+ | ucasefieldreference Type ValueSetOptionalitySpec '''
+ t[0] = FixedTypeValueSetFieldSpec()
+ t[0].SetName(t[1])
+
+def p_ValueSetOptionalitySpec_1 (t):
+ 'ValueSetOptionalitySpec ::= OPTIONAL'
+ pass
+
+def p_ValueSetOptionalitySpec_2 (t):
+ 'ValueSetOptionalitySpec ::= DEFAULT ValueSet'
+ pass
+
+# 9.11
+def p_ObjectFieldSpec (t):
+ '''ObjectFieldSpec : lcasefieldreference DefinedObjectClass
+ | lcasefieldreference DefinedObjectClass ObjectOptionalitySpec '''
+ t[0] = ObjectFieldSpec(cls=t[2])
+ t[0].SetName(t[1])
+ global obj_class
+ obj_class = None
+
+def p_ObjectOptionalitySpec_1 (t):
+ 'ObjectOptionalitySpec ::= OPTIONAL'
+ pass
+
+def p_ObjectOptionalitySpec_2 (t):
+ 'ObjectOptionalitySpec ::= DEFAULT Object'
+ pass
+
+# 9.12
+def p_ObjectSetFieldSpec (t):
+ '''ObjectSetFieldSpec : ucasefieldreference DefinedObjectClass
+ | ucasefieldreference DefinedObjectClass ObjectSetOptionalitySpec '''
+ t[0] = ObjectSetFieldSpec(cls=t[2])
+ t[0].SetName(t[1])
+
+def p_ObjectSetOptionalitySpec_1 (t):
+ 'ObjectSetOptionalitySpec ::= OPTIONAL'
+ pass
+
+def p_ObjectSetOptionalitySpec_2 (t):
+ 'ObjectSetOptionalitySpec ::= DEFAULT ObjectSet'
+ pass
+
+# 9.13
+def p_PrimitiveFieldName (t):
+ '''PrimitiveFieldName : ucasefieldreference
+ | lcasefieldreference '''
+ t[0] = t[1]
+
+# 9.13
+def p_FieldName_1 (t):
+ 'FieldName : PrimitiveFieldName'
+ t[0] = t[1]
+
+def p_FieldName_2 (t):
+ 'FieldName : FieldName DOT PrimitiveFieldName'
+ t[0] = t[1] + '.' + t[3]
+
+# 11 Information object definition and assignment
+
+# 11.1
+def p_ObjectAssignment (t):
+ 'ObjectAssignment : objectreference DefinedObjectClass ASSIGNMENT Object'
+ t[0] = ObjectAssignment (ident = t[1], cls=t[2].val, val=t[4])
+ global obj_class
+ obj_class = None
+
+# 11.3
+def p_Object (t):
+ '''Object : DefinedObject
+ | ObjectDefn
+ | ParameterizedObject'''
+ t[0] = t[1]
+
+# 11.4
+def p_ObjectDefn (t):
+ 'ObjectDefn : lbraceobject bodyobject rbraceobject'
+ t[0] = t[2]
+
+# {...} block of object definition
+def p_lbraceobject(t):
+ 'lbraceobject : braceobjectbegin LBRACE'
+ t[0] = t[1]
+
+def p_braceobjectbegin(t):
+ 'braceobjectbegin : '
+ global lexer
+ global obj_class
+ if set_class_syntax(obj_class):
+ state = 'INITIAL'
+ else:
+ lexer.level = 1
+ state = 'braceignore'
+ lexer.push_state(state)
+
+def p_rbraceobject(t):
+ 'rbraceobject : braceobjectend RBRACE'
+ t[0] = t[2]
+
+def p_braceobjectend(t):
+ 'braceobjectend : '
+ global lexer
+ lexer.pop_state()
+ set_class_syntax(None)
+
+def p_bodyobject_1 (t):
+ 'bodyobject : '
+ t[0] = { }
+
+def p_bodyobject_2 (t):
+ 'bodyobject : cls_syntax_list'
+ t[0] = t[1]
+
+def p_cls_syntax_list_1 (t):
+ 'cls_syntax_list : cls_syntax_list cls_syntax'
+ t[0] = t[1]
+ t[0].update(t[2])
+
+def p_cls_syntax_list_2 (t):
+ 'cls_syntax_list : cls_syntax'
+ t[0] = t[1]
+
+# X.681
+def p_cls_syntax_1 (t):
+ 'cls_syntax : Type IDENTIFIED BY Value'
+ t[0] = { get_class_fieled(' ') : t[1], get_class_fieled(' '.join((t[2], t[3]))) : t[4] }
+
+def p_cls_syntax_2 (t):
+ 'cls_syntax : HAS PROPERTY Value'
+ t[0] = { get_class_fieled(' '.join(t[1:-1])) : t[-1:][0] }
+
+# X.880
+def p_cls_syntax_3 (t):
+ '''cls_syntax : ERRORS ObjectSet
+ | LINKED ObjectSet
+ | RETURN RESULT BooleanValue
+ | SYNCHRONOUS BooleanValue
+ | INVOKE PRIORITY Value
+ | RESULT_PRIORITY Value
+ | PRIORITY Value
+ | ALWAYS RESPONDS BooleanValue
+ | IDEMPOTENT BooleanValue '''
+ t[0] = { get_class_fieled(' '.join(t[1:-1])) : t[-1:][0] }
+
+def p_cls_syntax_4 (t):
+ '''cls_syntax : ARGUMENT Type
+ | RESULT Type
+ | PARAMETER Type '''
+ t[0] = { get_class_fieled(t[1]) : t[2] }
+
+def p_cls_syntax_5 (t):
+ 'cls_syntax : CODE Value'
+ fld = get_class_fieled(t[1]);
+ t[0] = { fld : t[2] }
+ if isinstance(t[2], ChoiceValue):
+ fldt = fld + '.' + t[2].choice
+ t[0][fldt] = t[2]
+
+def p_cls_syntax_6 (t):
+ '''cls_syntax : ARGUMENT Type OPTIONAL BooleanValue
+ | RESULT Type OPTIONAL BooleanValue
+ | PARAMETER Type OPTIONAL BooleanValue '''
+ t[0] = { get_class_fieled(t[1]) : t[2], get_class_fieled(' '.join((t[1], t[3]))) : t[4] }
+
+# 12 Information object set definition and assignment
+
+# 12.1
+def p_ObjectSetAssignment (t):
+ 'ObjectSetAssignment : UCASE_IDENT CLASS_IDENT ASSIGNMENT ObjectSet'
+ t[0] = Node('ObjectSetAssignment', name=t[1], cls=t[2], val=t[4])
+
+# 12.3
+def p_ObjectSet (t):
+ 'ObjectSet : lbraceignore rbraceignore'
+ t[0] = None
+
+# 14 Notation for the object class field type ---------------------------------
+
+# 14.1
+def p_ObjectClassFieldType (t):
+ 'ObjectClassFieldType : DefinedObjectClass DOT FieldName'
+ t[0] = get_type_from_class(t[1], t[3])
+
+# 14.6
+def p_ObjectClassFieldValue (t):
+ '''ObjectClassFieldValue : OpenTypeFieldVal'''
+ t[0] = t[1]
+
+def p_OpenTypeFieldVal (t):
+ '''OpenTypeFieldVal : Type COLON Value
+ | NullType COLON NullValue'''
+ t[0] = t[3]
+
+
+# 15 Information from objects -------------------------------------------------
+
+# 15.1
+
+def p_ValueFromObject (t):
+ 'ValueFromObject : LCASE_IDENT DOT FieldName'
+ t[0] = t[1] + '.' + t[3]
+
+
+# Annex C - The instance-of type ----------------------------------------------
+
+# C.2
+def p_InstanceOfType (t):
+ 'InstanceOfType : INSTANCE OF DefinedObjectClass'
+ t[0] = InstanceOfType()
+
+
+# --- tables ---
+
+useful_object_class_types = {
+ # Annex A
+ 'TYPE-IDENTIFIER.&id' : lambda : ObjectIdentifierType(),
+ 'TYPE-IDENTIFIER.&Type' : lambda : OpenType(),
+ # Annex B
+ 'ABSTRACT-SYNTAX.&id' : lambda : ObjectIdentifierType(),
+ 'ABSTRACT-SYNTAX.&Type' : lambda : OpenType(),
+ 'ABSTRACT-SYNTAX.&property' : lambda : BitStringType(),
+}
+
+object_class_types = { }
+
+object_class_typerefs = { }
+
+object_class_classrefs = { }
+
+# dummy types
+class _VariableTypeValueFieldSpec (AnyType):
+ pass
+
+class _FixedTypeValueSetFieldSpec (AnyType):
+ pass
+
+class_types_creator = {
+ 'BooleanType' : lambda : BooleanType(),
+ 'IntegerType' : lambda : IntegerType(),
+ 'ObjectIdentifierType' : lambda : ObjectIdentifierType(),
+ 'OpenType' : lambda : OpenType(),
+ # dummy types
+ '_VariableTypeValueFieldSpec' : lambda : _VariableTypeValueFieldSpec(),
+ '_FixedTypeValueSetFieldSpec' : lambda : _FixedTypeValueSetFieldSpec(),
+}
+
+class_names = { }
+
+x681_syntaxes = {
+ 'TYPE-IDENTIFIER' : {
+ ' ' : '&Type',
+ 'IDENTIFIED' : 'IDENTIFIED',
+ #'BY' : 'BY',
+ 'IDENTIFIED BY' : '&id',
+ },
+ 'ABSTRACT-SYNTAX' : {
+ ' ' : '&Type',
+ 'IDENTIFIED' : 'IDENTIFIED',
+ #'BY' : 'BY',
+ 'IDENTIFIED BY' : '&id',
+ 'HAS' : 'HAS',
+ 'PROPERTY' : 'PROPERTY',
+ 'HAS PROPERTY' : '&property',
+ },
+}
+
+class_syntaxes_enabled = {
+ 'TYPE-IDENTIFIER' : True,
+ 'ABSTRACT-SYNTAX' : True,
+}
+
+class_syntaxes = {
+ 'TYPE-IDENTIFIER' : x681_syntaxes['TYPE-IDENTIFIER'],
+ 'ABSTRACT-SYNTAX' : x681_syntaxes['ABSTRACT-SYNTAX'],
+}
+
+class_current_syntax = None
+
+def get_syntax_tokens(syntaxes):
+ tokens = { }
+ for s in (syntaxes):
+ for k in (list(syntaxes[s].keys())):
+ if k.find(' ') < 0:
+ tokens[k] = k
+ tokens[k] = tokens[k].replace('-', '_')
+ return list(tokens.values())
+
+tokens = tokens + get_syntax_tokens(x681_syntaxes)
+
+def set_class_syntax(syntax):
+ global class_syntaxes_enabled
+ global class_current_syntax
+ #print "set_class_syntax", syntax, class_current_syntax
+ if class_syntaxes_enabled.get(syntax, False):
+ class_current_syntax = syntax
+ return True
+ else:
+ class_current_syntax = None
+ return False
+
+def is_class_syntax(name):
+ global class_syntaxes
+ global class_current_syntax
+ #print "is_class_syntax", name, class_current_syntax
+ if not class_current_syntax:
+ return False
+ return name in class_syntaxes[class_current_syntax]
+
+def get_class_fieled(name):
+ if not class_current_syntax:
+ return None
+ return class_syntaxes[class_current_syntax][name]
+
+def is_class_ident(name):
+ return name in class_names
+
+def add_class_ident(name):
+ #print "add_class_ident", name
+ class_names[name] = name
+
+def get_type_from_class(cls, fld):
+ flds = fld.split('.')
+ if (isinstance(cls, Class_Ref)):
+ key = cls.val + '.' + flds[0]
+ else:
+ key = cls + '.' + flds[0]
+
+ if key in object_class_classrefs:
+ return get_type_from_class(object_class_classrefs[key], '.'.join(flds[1:]))
+
+ if key in object_class_typerefs:
+ return Type_Ref(val=object_class_typerefs[key])
+
+ creator = lambda : AnyType()
+ creator = useful_object_class_types.get(key, creator)
+ creator = object_class_types.get(key, creator)
+ return creator()
+
+def set_type_to_class(cls, fld, pars):
+ #print "set_type_to_class", cls, fld, pars
+ key = cls + '.' + fld
+ typename = 'OpenType'
+ if (len(pars) > 0):
+ typename = pars[0]
+ else:
+ pars.append(typename)
+ typeref = None
+ if (len(pars) > 1):
+ if (isinstance(pars[1], Class_Ref)):
+ pars[1] = pars[1].val
+ typeref = pars[1]
+
+ msg = None
+ if key in object_class_types:
+ msg = object_class_types[key]().type
+ if key in object_class_typerefs:
+ msg = "TypeReference " + object_class_typerefs[key]
+ if key in object_class_classrefs:
+ msg = "ClassReference " + object_class_classrefs[key]
+
+ if msg == ' '.join(pars):
+ msg = None
+
+ if msg:
+ msg0 = "Can not define CLASS field %s as '%s'\n" % (key, ' '.join(pars))
+ msg1 = "Already defined as '%s'" % (msg)
+ raise CompError(msg0 + msg1)
+
+ if (typename == 'ClassReference'):
+ if not typeref: return False
+ object_class_classrefs[key] = typeref
+ return True
+
+ if (typename == 'TypeReference'):
+ if not typeref: return False
+ object_class_typerefs[key] = typeref
+ return True
+
+ creator = class_types_creator.get(typename)
+ if creator:
+ object_class_types[key] = creator
+ return True
+ else:
+ return False
+
+def import_class_from_module(mod, cls):
+ add_class_ident(cls)
+ mcls = "$%s$%s" % (mod, cls)
+ for k in list(object_class_classrefs.keys()):
+ kk = k.split('.', 1)
+ if kk[0] == mcls:
+ object_class_classrefs[cls + '.' + kk[0]] = object_class_classrefs[k]
+ for k in list(object_class_typerefs.keys()):
+ kk = k.split('.', 1)
+ if kk[0] == mcls:
+ object_class_typerefs[cls + '.' + kk[0]] = object_class_typerefs[k]
+ for k in list(object_class_types.keys()):
+ kk = k.split('.', 1)
+ if kk[0] == mcls:
+ object_class_types[cls + '.' + kk[0]] = object_class_types[k]
+
+#--- ITU-T Recommendation X.682 -----------------------------------------------
+
+# 8 General constraint specification ------------------------------------------
+
+# 8.1
+def p_GeneralConstraint (t):
+ '''GeneralConstraint : UserDefinedConstraint
+ | TableConstraint
+ | ContentsConstraint'''
+ t[0] = t[1]
+
+# 9 User-defined constraints --------------------------------------------------
+
+# 9.1
+def p_UserDefinedConstraint (t):
+ 'UserDefinedConstraint : CONSTRAINED BY LBRACE UserDefinedConstraintParameterList RBRACE'
+ t[0] = Constraint(type = 'UserDefined', subtype = t[4])
+
+def p_UserDefinedConstraintParameterList_1 (t):
+ 'UserDefinedConstraintParameterList : '
+ t[0] = []
+
+def p_UserDefinedConstraintParameterList_2 (t):
+ 'UserDefinedConstraintParameterList : UserDefinedConstraintParameter'
+ t[0] = [t[1]]
+
+def p_UserDefinedConstraintParameterList_3 (t):
+ 'UserDefinedConstraintParameterList : UserDefinedConstraintParameterList COMMA UserDefinedConstraintParameter'
+ t[0] = t[1] + [t[3]]
+
+# 9.3
+def p_UserDefinedConstraintParameter (t):
+ 'UserDefinedConstraintParameter : Type'
+ t[0] = t[1]
+
+# 10 Table constraints, including component relation constraints --------------
+
+# 10.3
+def p_TableConstraint (t):
+ '''TableConstraint : SimpleTableConstraint
+ | ComponentRelationConstraint'''
+ t[0] = Constraint(type = 'Table', subtype = t[1])
+
+def p_SimpleTableConstraint (t):
+ 'SimpleTableConstraint : LBRACE UCASE_IDENT RBRACE'
+ t[0] = t[2]
+
+# 10.7
+def p_ComponentRelationConstraint (t):
+ 'ComponentRelationConstraint : LBRACE UCASE_IDENT RBRACE LBRACE AtNotations RBRACE'
+ t[0] = t[2] + str(t[5])
+
+def p_AtNotations_1 (t):
+ 'AtNotations : AtNotation'
+ t[0] = [t[1]]
+
+def p_AtNotations_2 (t):
+ 'AtNotations : AtNotations COMMA AtNotation'
+ t[0] = t[1] + [t[3]]
+
+def p_AtNotation_1 (t):
+ 'AtNotation : AT ComponentIdList'
+ t[0] = '@' + t[2]
+
+def p_AtNotation_2 (t):
+ 'AtNotation : AT DOT Level ComponentIdList'
+ t[0] = '@.' + t[3] + t[4]
+
+def p_Level_1 (t):
+ 'Level : DOT Level'
+ t[0] = '.' + t[2]
+
+def p_Level_2 (t):
+ 'Level : '
+ t[0] = ''
+
+def p_ComponentIdList_1 (t):
+ 'ComponentIdList : LCASE_IDENT'
+ t[0] = t[1]
+
+def p_ComponentIdList_2 (t):
+ 'ComponentIdList : ComponentIdList DOT LCASE_IDENT'
+ t[0] = t[1] + '.' + t[3]
+
+# 11 Contents constraints -----------------------------------------------------
+
+# 11.1
+def p_ContentsConstraint (t):
+ 'ContentsConstraint : CONTAINING type_ref'
+ t[0] = Constraint(type = 'Contents', subtype = t[2])
+
+
+#--- ITU-T Recommendation X.683 -----------------------------------------------
+
+# 8 Parameterized assignments -------------------------------------------------
+
+# 8.1
+def p_ParameterizedAssignment (t):
+ '''ParameterizedAssignment : ParameterizedTypeAssignment
+ | ParameterizedObjectClassAssignment
+ | ParameterizedObjectAssignment
+ | ParameterizedObjectSetAssignment'''
+ t[0] = t[1]
+
+# 8.2
+def p_ParameterizedTypeAssignment (t):
+ 'ParameterizedTypeAssignment : UCASE_IDENT ParameterList ASSIGNMENT Type'
+ t[0] = t[4]
+ t[0].SetName(t[1]) # t[0].SetName(t[1] + 'xxx')
+
+def p_ParameterizedObjectClassAssignment (t):
+ '''ParameterizedObjectClassAssignment : CLASS_IDENT ParameterList ASSIGNMENT ObjectClass
+ | UCASE_IDENT ParameterList ASSIGNMENT ObjectClass'''
+ t[0] = t[4]
+ t[0].SetName(t[1])
+ if isinstance(t[0], ObjectClassDefn):
+ t[0].reg_types()
+
+def p_ParameterizedObjectAssignment (t):
+ 'ParameterizedObjectAssignment : objectreference ParameterList DefinedObjectClass ASSIGNMENT Object'
+ t[0] = ObjectAssignment (ident = t[1], cls=t[3].val, val=t[5])
+ global obj_class
+ obj_class = None
+
+def p_ParameterizedObjectSetAssignment (t):
+ 'ParameterizedObjectSetAssignment : UCASE_IDENT ParameterList DefinedObjectClass ASSIGNMENT ObjectSet'
+ t[0] = Node('ObjectSetAssignment', name=t[1], cls=t[3].val, val=t[5])
+
+# 8.3
+def p_ParameterList (t):
+ 'ParameterList : lbraceignore rbraceignore'
+
+#def p_ParameterList (t):
+# 'ParameterList : LBRACE Parameters RBRACE'
+# t[0] = t[2]
+
+#def p_Parameters_1 (t):
+# 'Parameters : Parameter'
+# t[0] = [t[1]]
+
+#def p_Parameters_2 (t):
+# 'Parameters : Parameters COMMA Parameter'
+# t[0] = t[1] + [t[3]]
+
+#def p_Parameter_1 (t):
+# 'Parameter : Type COLON Reference'
+# t[0] = [t[1], t[3]]
+
+#def p_Parameter_2 (t):
+# 'Parameter : Reference'
+# t[0] = t[1]
+
+
+# 9 Referencing parameterized definitions -------------------------------------
+
+# 9.1
+def p_ParameterizedReference (t):
+ 'ParameterizedReference : Reference LBRACE RBRACE'
+ t[0] = t[1]
+ #t[0].val += 'xxx'
+
+# 9.2
+def p_ParameterizedType (t):
+ 'ParameterizedType : type_ref ActualParameterList'
+ t[0] = t[1]
+ #t[0].val += 'xxx'
+
+
+def p_ParameterizedObjectClass (t):
+ 'ParameterizedObjectClass : DefinedObjectClass ActualParameterList'
+ t[0] = t[1]
+ #t[0].val += 'xxx'
+
+def p_ParameterizedObject (t):
+ 'ParameterizedObject : DefinedObject ActualParameterList'
+ t[0] = t[1]
+ #t[0].val += 'xxx'
+
+# 9.5
+def p_ActualParameterList (t):
+ 'ActualParameterList : lbraceignore rbraceignore'
+
+#def p_ActualParameterList (t):
+# 'ActualParameterList : LBRACE ActualParameters RBRACE'
+# t[0] = t[2]
+
+#def p_ActualParameters_1 (t):
+# 'ActualParameters : ActualParameter'
+# t[0] = [t[1]]
+
+#def p_ActualParameters_2 (t):
+# 'ActualParameters : ActualParameters COMMA ActualParameter'
+# t[0] = t[1] + [t[3]]
+
+#def p_ActualParameter (t):
+# '''ActualParameter : Type
+# | Value'''
+# t[0] = t[1]
+
+
+#--- ITU-T Recommendation X.880 -----------------------------------------------
+
+x880_classes = {
+ 'OPERATION' : {
+ '&ArgumentType' : [],
+ '&argumentTypeOptional' : [ 'BooleanType' ],
+ '&returnResult' : [ 'BooleanType' ],
+ '&ResultType' : [],
+ '&resultTypeOptional' : [ 'BooleanType' ],
+ '&Errors' : [ 'ClassReference', 'ERROR' ],
+ '&Linked' : [ 'ClassReference', 'OPERATION' ],
+ '&synchronous' : [ 'BooleanType' ],
+ '&idempotent' : [ 'BooleanType' ],
+ '&alwaysReturns' : [ 'BooleanType' ],
+ '&InvokePriority' : [ '_FixedTypeValueSetFieldSpec' ],
+ '&ResultPriority' : [ '_FixedTypeValueSetFieldSpec' ],
+ '&operationCode' : [ 'TypeReference', 'Code' ],
+ },
+ 'ERROR' : {
+ '&ParameterType' : [],
+ '&parameterTypeOptional' : [ 'BooleanType' ],
+ '&ErrorPriority' : [ '_FixedTypeValueSetFieldSpec' ],
+ '&errorCode' : [ 'TypeReference', 'Code' ],
+ },
+ 'OPERATION-PACKAGE' : {
+ '&Both' : [ 'ClassReference', 'OPERATION' ],
+ '&Consumer' : [ 'ClassReference', 'OPERATION' ],
+ '&Supplier' : [ 'ClassReference', 'OPERATION' ],
+ '&id' : [ 'ObjectIdentifierType' ],
+ },
+ 'CONNECTION-PACKAGE' : {
+ '&bind' : [ 'ClassReference', 'OPERATION' ],
+ '&unbind' : [ 'ClassReference', 'OPERATION' ],
+ '&responderCanUnbind' : [ 'BooleanType' ],
+ '&unbindCanFail' : [ 'BooleanType' ],
+ '&id' : [ 'ObjectIdentifierType' ],
+ },
+ 'CONTRACT' : {
+ '&connection' : [ 'ClassReference', 'CONNECTION-PACKAGE' ],
+ '&OperationsOf' : [ 'ClassReference', 'OPERATION-PACKAGE' ],
+ '&InitiatorConsumerOf' : [ 'ClassReference', 'OPERATION-PACKAGE' ],
+ '&InitiatorSupplierOf' : [ 'ClassReference', 'OPERATION-PACKAGE' ],
+ '&id' : [ 'ObjectIdentifierType' ],
+ },
+ 'ROS-OBJECT-CLASS' : {
+ '&Is' : [ 'ClassReference', 'ROS-OBJECT-CLASS' ],
+ '&Initiates' : [ 'ClassReference', 'CONTRACT' ],
+ '&Responds' : [ 'ClassReference', 'CONTRACT' ],
+ '&InitiatesAndResponds' : [ 'ClassReference', 'CONTRACT' ],
+ '&id' : [ 'ObjectIdentifierType' ],
+ },
+}
+
+x880_syntaxes = {
+ 'OPERATION' : {
+ 'ARGUMENT' : '&ArgumentType',
+ 'ARGUMENT OPTIONAL' : '&argumentTypeOptional',
+ 'RESULT' : '&ResultType',
+ 'RESULT OPTIONAL' : '&resultTypeOptional',
+ 'RETURN' : 'RETURN',
+ 'RETURN RESULT' : '&returnResult',
+ 'ERRORS' : '&Errors',
+ 'LINKED' : '&Linked',
+ 'SYNCHRONOUS' : '&synchronous',
+ 'IDEMPOTENT' : '&idempotent',
+ 'ALWAYS' : 'ALWAYS',
+ 'RESPONDS' : 'RESPONDS',
+ 'ALWAYS RESPONDS' : '&alwaysReturns',
+ 'INVOKE' : 'INVOKE',
+ 'PRIORITY' : 'PRIORITY',
+ 'INVOKE PRIORITY' : '&InvokePriority',
+ 'RESULT-PRIORITY': '&ResultPriority',
+ 'CODE' : '&operationCode',
+ },
+ 'ERROR' : {
+ 'PARAMETER' : '&ParameterType',
+ 'PARAMETER OPTIONAL' : '&parameterTypeOptional',
+ 'PRIORITY' : '&ErrorPriority',
+ 'CODE' : '&errorCode',
+ },
+# 'OPERATION-PACKAGE' : {
+# },
+# 'CONNECTION-PACKAGE' : {
+# },
+# 'CONTRACT' : {
+# },
+# 'ROS-OBJECT-CLASS' : {
+# },
+}
+
+def x880_module_begin():
+ #print "x880_module_begin()"
+ for name in list(x880_classes.keys()):
+ add_class_ident(name)
+
+def x880_import(name):
+ if name in x880_syntaxes:
+ class_syntaxes_enabled[name] = True
+ class_syntaxes[name] = x880_syntaxes[name]
+ if name in x880_classes:
+ add_class_ident(name)
+ for f in (list(x880_classes[name].keys())):
+ set_type_to_class(name, f, x880_classes[name][f])
+
+tokens = tokens + get_syntax_tokens(x880_syntaxes)
+
+# {...} OID value
+#def p_lbrace_oid(t):
+# 'lbrace_oid : brace_oid_begin LBRACE'
+# t[0] = t[1]
+
+#def p_brace_oid_begin(t):
+# 'brace_oid_begin : '
+# global in_oid
+# in_oid = True
+
+#def p_rbrace_oid(t):
+# 'rbrace_oid : brace_oid_end RBRACE'
+# t[0] = t[2]
+
+#def p_brace_oid_end(t):
+# 'brace_oid_end : '
+# global in_oid
+# in_oid = False
+
+# {...} block to be ignored
+def p_lbraceignore(t):
+ 'lbraceignore : braceignorebegin LBRACE'
+ t[0] = t[1]
+
+def p_braceignorebegin(t):
+ 'braceignorebegin : '
+ global lexer
+ lexer.level = 1
+ lexer.push_state('braceignore')
+
+def p_rbraceignore(t):
+ 'rbraceignore : braceignoreend RBRACE'
+ t[0] = t[2]
+
+def p_braceignoreend(t):
+ 'braceignoreend : '
+ global lexer
+ lexer.pop_state()
+
+def p_error(t):
+ global input_file
+ raise ParseError(t, input_file)
+
+def p_pyquote (t):
+ '''pyquote : PYQUOTE'''
+ t[0] = PyQuote (val = t[1])
+
+
+def testlex (s):
+ lexer.input (s)
+ while True:
+ token = lexer.token ()
+ if not token:
+ break
+ print(token)
+
+
+def do_module (ast, defined_dict):
+ assert (ast.type == 'Module')
+ ctx = Ctx (defined_dict)
+ print(ast.to_python (ctx))
+ print(ctx.output_assignments ())
+ print(ctx.output_pyquotes ())
+
+def eth_do_module (ast, ectx):
+ assert (ast.type == 'Module')
+ if ectx.dbg('s'): print(ast.str_depth(0))
+ ast.to_eth(ectx)
+
+def testyacc(s, fn, defined_dict):
+ ast = yacc.parse(s, debug=0)
+ time_str = time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime())
+ print("""#!/usr/bin/env python
+# Auto-generated from %s at %s
+from PyZ3950 import asn1""" % (fn, time_str))
+ for module in ast:
+ eth_do_module (module, defined_dict)
+
+
+# Wireshark compiler
+def eth_usage():
+ print("""
+ asn2wrs [-h|?] [-d dbg] [-b] [-p proto] [-c cnf_file] [-e] input_file(s) ...
+ -h|? : Usage
+ -b : BER (default is PER)
+ -u : Unaligned (default is aligned)
+ -p proto : Protocol name (implies -S). Default is module-name
+ from input_file (renamed by #.MODULE if present)
+ -o name : Output files name core (default is <proto>)
+ -O dir : Output directory for dissector
+ -c cnf_file : Conformance file
+ -I path : Path for conformance file includes
+ -e : Create conformance file for exported types
+ -E : Just create conformance file for exported types
+ -S : Single output for multiple modules
+ -s template : Single file output (template is input file
+ without .c/.h extension)
+ -k : Keep intermediate files though single file output is used
+ -L : Suppress #line directive from .cnf file
+ -D dir : Directory for input_file(s) (default: '.')
+ -C : Add check for SIZE constraints
+ -r prefix : Remove the prefix from type names
+
+ input_file(s) : Input ASN.1 file(s)
+
+ -d dbg : Debug output, dbg = [l][y][p][s][a][t][c][m][o]
+ l - lex
+ y - yacc
+ p - parsing
+ s - internal ASN.1 structure
+ a - list of assignments
+ t - tables
+ c - conformance values
+ m - list of compiled modules with dependency
+ o - list of output files
+ """)
+
+
+## Used to preparse C style comments
+## https://github.com/eerimoq/asn1tools/blob/master/asn1tools/parser.py#L231
+##
+def ignore_comments(string):
+ """Ignore comments in given string by replacing them with spaces. This
+ reduces the parsing time by roughly a factor of two.
+
+ """
+
+ comments = [
+ (mo.start(), mo.group(0))
+ for mo in re.finditer(r'(/\*|\*/|\n)', string)
+ ]
+
+ comments.sort()
+
+ multi_line_comment_depth = 0
+ start_offset = 0
+ non_comment_offset = 0
+ chunks = []
+
+ for offset, kind in comments:
+ if multi_line_comment_depth > 0:
+ if kind == '/*':
+ multi_line_comment_depth += 1
+ elif kind == '*/':
+ multi_line_comment_depth -= 1
+
+ if multi_line_comment_depth == 0:
+ offset += 2
+ chunks.append(' ' * (offset - start_offset))
+ non_comment_offset = offset
+ elif kind == '\n':
+ chunks.append('\n')
+ non_comment_offset = offset
+ elif kind == '/*':
+ multi_line_comment_depth = 1
+ start_offset = offset
+ chunks.append(string[non_comment_offset:start_offset])
+
+ chunks.append(string[non_comment_offset:])
+
+ return ''.join(chunks)
+
+def eth_main():
+ global input_file
+ global g_conform
+ global lexer
+ print("ASN.1 to Wireshark dissector compiler");
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], "h?d:D:buXp:FTo:O:c:I:eESs:kLCr:");
+ except getopt.GetoptError:
+ eth_usage(); sys.exit(2)
+ if len(args) < 1:
+ eth_usage(); sys.exit(2)
+
+ conform = EthCnf()
+ conf_to_read = None
+ output = EthOut()
+ ectx = EthCtx(conform, output)
+ ectx.encoding = 'per'
+ ectx.proto_opt = None
+ ectx.fld_opt = {}
+ ectx.tag_opt = False
+ ectx.outnm_opt = None
+ ectx.aligned = True
+ ectx.dbgopt = ''
+ ectx.new = True
+ ectx.expcnf = False
+ ectx.justexpcnf = False
+ ectx.merge_modules = False
+ ectx.group_by_prot = False
+ ectx.conform.last_group = 0
+ ectx.conform.suppress_line = False;
+ ectx.output.outnm = None
+ ectx.output.single_file = None
+ ectx.constraints_check = False;
+ for o, a in opts:
+ if o in ("-h", "-?"):
+ eth_usage(); sys.exit(2)
+ if o in ("-c",):
+ conf_to_read = relpath(a)
+ if o in ("-I",):
+ ectx.conform.include_path.append(relpath(a))
+ if o in ("-E",):
+ ectx.expcnf = True
+ ectx.justexpcnf = True
+ if o in ("-D",):
+ ectx.srcdir = relpath(a)
+ if o in ("-C",):
+ ectx.constraints_check = True
+ if o in ("-L",):
+ ectx.suppress_line = True
+ if o in ("-X",):
+ warnings.warn("Command line option -X is obsolete and can be removed")
+ if o in ("-T",):
+ warnings.warn("Command line option -T is obsolete and can be removed")
+
+ if conf_to_read:
+ ectx.conform.read(conf_to_read)
+
+ for o, a in opts:
+ if o in ("-h", "-?", "-c", "-I", "-E", "-D", "-C", "-X", "-T"):
+ pass # already processed
+ else:
+ par = []
+ if a: par.append(a)
+ ectx.conform.set_opt(o, par, "commandline", 0)
+
+ (ld, yd, pd) = (0, 0, 0);
+ if ectx.dbg('l'): ld = 1
+ if ectx.dbg('y'): yd = 1
+ if ectx.dbg('p'): pd = 2
+ lexer = lex.lex(debug=ld)
+ parser = yacc.yacc(method='LALR', debug=yd, outputdir='.')
+ parser.defaulted_states = {}
+ g_conform = ectx.conform
+ ast = []
+ for fn in args:
+ input_file = fn
+ lexer.lineno = 1
+ if (ectx.srcdir): fn = ectx.srcdir + '/' + fn
+ # Read ASN.1 definition, trying one of the common encodings.
+ data = open(fn, "rb").read()
+ for encoding in ('utf-8', 'windows-1252'):
+ try:
+ data = data.decode(encoding)
+ break
+ except Exception:
+ warnings.warn_explicit("Decoding %s as %s failed, trying next." % (fn, encoding), UserWarning, '', 0)
+ # Py2 compat, name.translate in eth_output_hf_arr fails with unicode
+ if not isinstance(data, str):
+ data = data.encode('utf-8')
+ data = ignore_comments(data)
+ ast.extend(yacc.parse(data, lexer=lexer, debug=pd))
+ ectx.eth_clean()
+ if (ectx.merge_modules): # common output for all module
+ ectx.eth_clean()
+ for module in ast:
+ eth_do_module(module, ectx)
+ ectx.eth_prepare()
+ ectx.eth_do_output()
+ elif (ectx.groups()): # group by protocols/group
+ groups = []
+ pr2gr = {}
+ if (ectx.group_by_prot): # group by protocols
+ for module in ast:
+ prot = module.get_proto(ectx)
+ if prot not in pr2gr:
+ pr2gr[prot] = len(groups)
+ groups.append([])
+ groups[pr2gr[prot]].append(module)
+ else: # group by groups
+ pass
+ for gm in (groups):
+ ectx.eth_clean()
+ for module in gm:
+ eth_do_module(module, ectx)
+ ectx.eth_prepare()
+ ectx.eth_do_output()
+ else: # output for each module
+ for module in ast:
+ ectx.eth_clean()
+ eth_do_module(module, ectx)
+ ectx.eth_prepare()
+ ectx.eth_do_output()
+
+ if ectx.dbg('m'):
+ ectx.dbg_modules()
+
+ if ectx.dbg('c'):
+ ectx.conform.dbg_print()
+ if not ectx.justexpcnf:
+ ectx.conform.unused_report()
+
+ if ectx.dbg('o'):
+ ectx.output.dbg_print()
+ ectx.output.make_single_file(ectx.suppress_line)
+
+
+# Python compiler
+def main():
+ if sys.version_info[0] < 3:
+ print("This requires Python 3")
+ sys.exit(2)
+
+ testfn = testyacc
+ if len (sys.argv) == 1:
+ while True:
+ s = eval(input ('Query: '))
+ if len (s) == 0:
+ break
+ testfn (s, 'console', {})
+ else:
+ defined_dict = {}
+ for fn in sys.argv [1:]:
+ f = open (fn, "r")
+ testfn (f.read (), fn, defined_dict)
+ f.close ()
+ lexer.lineno = 1
+
+
+#--- BODY ---------------------------------------------------------------------
+
+if __name__ == '__main__':
+ if (os.path.splitext(os.path.basename(sys.argv[0]))[0].lower() in ('asn2wrs', 'asn2eth')):
+ eth_main()
+ else:
+ main()
+
+#------------------------------------------------------------------------------
+#
+# Editor modelines - https://www.wireshark.org/tools/modelines.html
+#
+# c-basic-offset: 4; tab-width: 8; indent-tabs-mode: nil
+# vi: set shiftwidth=4 tabstop=8 expandtab:
+# :indentSize=4:tabSize=8:noTabs=true:
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-24 17:21:25 +0000