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| version 1.130, 2004/02/17 10:38:08 | version 1.134.6.1, 2005/08/05 13:03:03 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: String class part: untaint mechanizm. | Parser: String class part: untaint mechanizm. |
| Copyright(c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com) | Copyright(c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| Line 34 extern "C" { // author forgot to do that | Line 34 extern "C" { // author forgot to do that |
| { \ | { \ |
| bool skip=false; \ | bool skip=false; \ |
| if(optimize) switch(c) { \ | if(optimize) switch(c) { \ |
| case ' ': case '\r': case '\n': case '\t': \ | case ' ': case '\n': case '\t': \ |
| if(whitespace) \ | if(whitespace) \ |
| skip=true; /*skipping subsequent*/ \ | skip=true; /*skipping subsequent*/ \ |
| else \ | else \ |
| Line 58 extern "C" { // author forgot to do that | Line 58 extern "C" { // author forgot to do that |
| char c=CORD_pos_fetch(info->pos); \ | char c=CORD_pos_fetch(info->pos); \ |
| action \ | action \ |
| } | } |
| #define _default default: CORD_ec_append(info->result, c); break | #define _default CORD_ec_append(info->result, c) |
| #define encode(need_encode_func, prefix, otherwise) \ | #define encode(need_encode_func, prefix, otherwise) \ |
| if(need_encode_func(c)) { \ | if(need_encode_func(c)) { \ |
| static const char* hex="0123456789ABCDEF"; \ | static const char* hex="0123456789ABCDEF"; \ |
| Line 399 int cstr_to_string_body_block(char alang | Line 399 int cstr_to_string_body_block(char alang |
| } else | } else |
| ec_append(info->result, optimize, whitespace, info->pos, fragment_length); | ec_append(info->result, optimize, whitespace, info->pos, fragment_length); |
| break; | break; |
| case String::L_TABLE: | |
| // tainted, untaint language: table | |
| escape(switch(c) { | |
| case '\t': to_char(' '); break; | |
| case '\n': to_char(' '); break; | |
| _default; | |
| }); | |
| break; | |
| case String::L_SQL: | case String::L_SQL: |
| // tainted, untaint language: sql | // tainted, untaint language: sql |
| if(info->connection) { | if(info->connection) { |
| Line 427 int cstr_to_string_body_block(char alang | Line 419 int cstr_to_string_body_block(char alang |
| case '\n': to_string("\\n"); break; | case '\n': to_string("\\n"); break; |
| case '\\': to_string("\\\\"); break; | case '\\': to_string("\\\\"); break; |
| case '\xFF': to_string("\\\xFF"); break; | case '\xFF': to_string("\\\xFF"); break; |
| _default; | default: _default; break; |
| }); | }); |
| break; | break; |
| case String::L_XML: | case String::L_XML: |
| // [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] | |
| escape(switch(c) { | escape(switch(c) { |
| case '\x9': | |
| case '\xA': | |
| case '\xD': // this is usually removed on input | |
| _default; | |
| break; | |
| case '&': to_string("&"); break; | case '&': to_string("&"); break; |
| case '>': to_string(">"); break; | case '>': to_string(">"); break; |
| case '<': to_string("<"); break; | case '<': to_string("<"); break; |
| case '"': to_string("""); break; | case '"': to_string("""); break; |
| case '\'': to_string("'"); break; | case '\'': to_string("'"); break; |
| _default; | default: |
| if(((unsigned char)c)<0x20) { | |
| // fixing it, so that libxml would not result | |
| // in fatal error parsing text | |
| // though it really violates standard. | |
| // to indicate there were an error | |
| // replace bad char not to it's code, | |
| // which we can do, | |
| // but rather to '!' to show that input were actually | |
| // invalid. | |
| // life: shows that MSIE can somehow garble form values | |
| // so that they contain these chars. | |
| to_char('!'); | |
| } else { | |
| _default; | |
| } | |
| break; | |
| }); | }); |
| break; | break; |
| case String::L_HTML: | case String::L_HTML: |
| Line 446 int cstr_to_string_body_block(char alang | Line 460 int cstr_to_string_body_block(char alang |
| case '>': to_string(">"); break; | case '>': to_string(">"); break; |
| case '<': to_string("<"); break; | case '<': to_string("<"); break; |
| case '"': to_string("""); break; | case '"': to_string("""); break; |
| _default; | default: _default; break; |
| }); | }); |
| break; | break; |
| default: | default: |
| Line 464 int cstr_to_string_body_block(char alang | Line 478 int cstr_to_string_body_block(char alang |
| String::Body String::cstr_to_string_body(Language lang, | String::Body String::cstr_to_string_body(Language lang, |
| SQL_Connection* connection, | SQL_Connection* connection, |
| const Request_charsets *charsets) const { | const Request_charsets *charsets) const { |
| if(is_empty()) | |
| return String::Body(); | |
| Cstr_to_string_body_block_info info; | Cstr_to_string_body_block_info info; |
| // input | // input |
| Line 478 String::Body String::cstr_to_string_body | Line 494 String::Body String::cstr_to_string_body |
| info.fragment_begin=0; | info.fragment_begin=0; |
| info.whitespace=true; | info.whitespace=true; |
| if(!is_empty()) | langs.for_each(body, cstr_to_string_body_block, &info); |
| langs.for_each(body, cstr_to_string_body_block, &info); | |
| return String::Body(CORD_ec_to_cord(info.result)); | return String::Body(CORD_ec_to_cord(info.result)); |
| } | } |