--- parser3/src/classes/op.C 2008/07/08 13:37:30 1.181 +++ parser3/src/classes/op.C 2009/05/04 09:26:19 1.185 @@ -1,11 +1,11 @@ /** @file Parser: parser @b operators. - Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char * const IDENT_OP_C="$Date: 2008/07/08 13:37:30 $"; +static const char * const IDENT_OP_C="$Date: 2009/05/04 09:26:19 $"; #include "classes.h" #include "pa_vmethod_frame.h" @@ -97,16 +97,16 @@ public: static void _if(Request& r, MethodParams& params) { bool condition=params.as_bool(0, "condition must be expression", r); if(condition) - r.write_pass_lang(r.process(*params.get(1))); + r.process_write(*params.get(1)); else if(params.count()>2) - r.write_pass_lang(r.process(*params.get(2))); + r.process_write(*params.get(2)); } static String::Language get_untaint_lang(MethodParams& params, int index){ const String& lang_name=params.as_string(index, "lang must be string"); String::Language lang=untaint_lang_name2enum.get(lang_name); if(!lang) - throw Exception(0, + throw Exception(PARSER_RUNTIME, &lang_name, "invalid taint language"); return lang; @@ -247,31 +247,47 @@ static void _while(Request& r, MethodPar // while... int endless_loop_count=0; - bool need_delim=false; - while(true) { - if(++endless_loop_count>=MAX_LOOPS) // endless loop? - throw Exception(PARSER_RUNTIME, - 0, - "endless loop detected"); + if(delim_maybe_code){ + bool need_delim=false; + while(true) { + if(++endless_loop_count>=MAX_LOOPS) // endless loop? + throw Exception(PARSER_RUNTIME, + 0, + "endless loop detected"); - bool condition=r.process_to_value(vcondition, - false/*don't intercept string*/).as_bool(); - if(!condition) // ...condition is true - break; + if(!r.process_to_value(vcondition, false/*don't intercept string*/).as_bool()) + break; - StringOrValue sv_processed=r.process(body_code); - Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); - const String* s_processed=sv_processed.get_string(); - if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body - if(need_delim) // need delim & iteration produced string? - r.write_pass_lang(r.process(*delim_maybe_code)); - else - need_delim=true; + StringOrValue sv_processed=r.process(body_code); + Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); + const String* s_processed=sv_processed.get_string(); + if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body + if(need_delim) // need delim & iteration produced string? + r.write_pass_lang(r.process(*delim_maybe_code)); + else + need_delim=true; + } + r.write_pass_lang(sv_processed); + + if(lskip==Request::SKIP_BREAK) + break; } - r.write_pass_lang(sv_processed); + } else { + while(true) { + if(++endless_loop_count>=MAX_LOOPS) // endless loop? + throw Exception(PARSER_RUNTIME, + 0, + "endless loop detected"); - if(lskip==Request::SKIP_BREAK) - break; + if(!r.process_to_value(vcondition, false/*don't intercept string*/).as_bool()) + break; + + r.process_write(body_code); + Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); + + if(lskip==Request::SKIP_BREAK) + break; + } } } @@ -313,27 +329,40 @@ static void _for(Request& r, MethodParam 0, "endless loop detected"); - bool need_delim=false; VInt* vint=new VInt(0); VMethodFrame& caller=*r.get_method_frame()->caller(); caller.put_element(caller, var_name, vint, false); - for(int i=from; i<=to; i++) { - vint->set_int(i); + if(delim_maybe_code){ + bool need_delim=false; - StringOrValue sv_processed=r.process(body_code); - Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); - const String* s_processed=sv_processed.get_string(); - if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body - if(need_delim) // need delim & iteration produced string? - r.write_pass_lang(r.process(*delim_maybe_code)); - else - need_delim=true; + for(int i=from; i<=to; i++) { + vint->set_int(i); + + StringOrValue sv_processed=r.process(body_code); + Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); + const String* s_processed=sv_processed.get_string(); + if(s_processed && s_processed->length()) { // delimiter set and we have body + if(need_delim) // need delim & iteration produced string? + r.write_pass_lang(r.process(*delim_maybe_code)); + else + need_delim=true; + } + r.write_pass_lang(sv_processed); + + if(lskip==Request::SKIP_BREAK) + break; } - r.write_pass_lang(sv_processed); + } else { + for(int i=from; i<=to; i++) { + vint->set_int(i); + + r.process_write(body_code); + Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); - if(lskip==Request::SKIP_BREAK) - break; + if(lskip==Request::SKIP_BREAK) + break; + } } } @@ -446,13 +475,21 @@ static void _case(Request& r, MethodPara return; int count=params.count(); - Value& code=params.as_junction(--count, "case result must be code"); + Value* code=¶ms.as_expression(--count, "case result must be code"); + +#ifdef USE_DESTRUCTORS + Junction *j=code->get_junction(); + if (j){ + code=new VJunction(j->self,j->method,j->method_frame,j->rcontext,j->wcontext,j->code); + if (j->wcontext) j->wcontext->attach_junction((VJunction *)code); + } +#endif for(int i=0; i_default=&code; + data->_default=code; continue; } @@ -463,7 +500,7 @@ static void _case(Request& r, MethodPara matches=data->searching_double == value.as_double(); if(matches){ - data->found=&code; + data->found=code; break; } } @@ -857,36 +894,38 @@ VClassMAIN::VClassMAIN(): VClass() { // ^if(condition){code-when-true} // ^if(condition){code-when-true}{code-when-false} - add_native_method("if", Method::CT_ANY, _if, 2, 3); + add_native_method("if", Method::CT_ANY, _if, 2, 3, Method::CO_WITHOUT_FRAME); - // ^untaint[as-is|uri|sql|js|html|html-typo]{code} - add_native_method("untaint", Method::CT_ANY, _untaint, 1, 2); + // ^untaint[as-is|uri|sql|js|html|html-typo|regex]{code} + add_native_method("untaint", Method::CT_ANY, _untaint, 1, 2, Method::CO_NONE); - // ^taint[as-is|uri|sql|js|html|html-typo]{code} - add_native_method("taint", Method::CT_ANY, _taint, 1, 2); + // ^taint[as-is|uri|sql|js|html|html-typo|regex]{code} + add_native_method("taint", Method::CT_ANY, _taint, 1, 2, Method::CO_NONE); // ^process[code] add_native_method("process", Method::CT_ANY, _process, 1, 3); // ^rem{code} - add_native_method("rem", Method::CT_ANY, _rem, 1, 10000); + add_native_method("rem", Method::CT_ANY, _rem, 1, 10000, Method::CO_WITHOUT_FRAME); // ^while(condition){code} - add_native_method("while", Method::CT_ANY, _while, 2, 3); + add_native_method("while", Method::CT_ANY, _while, 2, 3, Method::CO_WITHOUT_FRAME); // ^use[file] add_native_method("use", Method::CT_ANY, _use, 1, 1); // ^break[] - add_native_method("break", Method::CT_ANY, _break, 0, 0); + add_native_method("break", Method::CT_ANY, _break, 0, 0, Method::CO_WITHOUT_FRAME); + // ^continue[] - add_native_method("continue", Method::CT_ANY, _continue, 0, 0); + add_native_method("continue", Method::CT_ANY, _continue, 0, 0, Method::CO_WITHOUT_FRAME); + // ^for[i](from-number;to-number-inclusive){code}[delim] - add_native_method("for", Method::CT_ANY, _for, 3+1, 3+1+1); + add_native_method("for", Method::CT_ANY, _for, 3+1, 3+1+1, Method::CO_WITHOUT_WCONTEXT); // ^eval(expr) // ^eval(expr)[format] - add_native_method("eval", Method::CT_ANY, _eval, 1, 2); + add_native_method("eval", Method::CT_ANY, _eval, 1, 2, Method::CO_WITHOUT_FRAME); // ^connect[protocol://user:pass@host[:port]/database]{code with ^sql-s} add_native_method("connect", Method::CT_ANY, _connect, 2, 2); @@ -900,15 +939,15 @@ VClassMAIN::VClassMAIN(): VClass() { // switch // ^switch[value]{cases} - add_native_method("switch", Method::CT_ANY, _switch, 2, 2); + add_native_method("switch", Method::CT_ANY, _switch, 2, 2, Method::CO_WITHOUT_FRAME); // ^case[value]{code} - add_native_method("case", Method::CT_ANY, _case, 2, 10000); + add_native_method("case", Method::CT_ANY, _case, 2, 10000, Method::CO_WITHOUT_FRAME); // try-catch // ^try{code}{catch code} - add_native_method("try", Method::CT_ANY, _try_operator, 2, 3); + add_native_method("try", Method::CT_ANY, _try_operator, 2, 3, Method::CO_WITHOUT_FRAME); // ^throw[$exception hash] // ^throw[type;source;comment] add_native_method("throw", Method::CT_ANY, _throw_operator, 1, 3);