117 lines
2.8 KiB
Python
117 lines
2.8 KiB
Python
# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
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#
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# Copyright (C) 2006 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2 only
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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import sys
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tokens = ('DEFINE',
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'NAME',
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'TICK',
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'SQUOTE',
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'OBRACE',
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'CBRACE',
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'SEMI',
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'OPAREN',
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'CPAREN',
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'COMMA')
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reserved = {
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'define' : 'DEFINE' }
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t_TICK = r'\`'
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t_SQUOTE = r'\''
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t_OBRACE = r'\{'
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t_CBRACE = r'\}'
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t_SEMI = r'\;'
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t_OPAREN = r'\('
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t_CPAREN = r'\)'
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t_COMMA = r'\,'
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t_ignore = " \t\n"
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def t_NAME(t):
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r'[a-zA-Z_][a-zA-Z0-9_]*'
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t.type = reserved.get(t.value,'NAME')
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return t
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def t_error(t):
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print("Illegal character '%s'" % t.value[0])
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t.skip(1)
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from . import lex
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lex.lex()
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def p_statements(p):
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'''statements : define_stmt
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| define_stmt statements
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'''
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if len(p) == 2:
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p[0] = [p[1]]
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else:
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p[0] = [p[1]] + [p[2]]
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def p_define_stmt(p):
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# This sucks - corresponds to 'define(`foo',`{ read write }')
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'''define_stmt : DEFINE OPAREN TICK NAME SQUOTE COMMA TICK list SQUOTE CPAREN
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'''
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p[0] = [p[4], p[8]]
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def p_list(p):
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'''list : NAME
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| OBRACE names CBRACE
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'''
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if p[1] == "{":
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p[0] = p[2]
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else:
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p[0] = [p[1]]
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def p_names(p):
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'''names : NAME
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| NAME names
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'''
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if len(p) == 2:
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p[0] = [p[1]]
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else:
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p[0] = [p[1]] + p[2]
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def p_error(p):
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print("Syntax error on line %d %s [type=%s]" % (p.lineno, p.value, p.type))
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from . import yacc
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yacc.yacc()
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f = open("all_perms.spt")
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txt = f.read()
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f.close()
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#lex.input(txt)
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#while 1:
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# tok = lex.token()
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# if not tok:
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# break
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# print tok
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test = "define(`foo',`{ read write append }')"
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test2 = """define(`all_filesystem_perms',`{ mount remount unmount getattr relabelfrom relabelto transition associate quotamod quotaget }')
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define(`all_security_perms',`{ compute_av compute_create compute_member check_context load_policy compute_relabel compute_user setenforce setbool setsecparam setcheckreqprot }')
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"""
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result = yacc.parse(txt)
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print(result)
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