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