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| version 1.13, 2001/03/29 20:53:02 | version 1.49, 2001/08/23 12:10:30 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: @b file parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| $Id$ | $Id$ |
| */ | */ |
| static const char *RCSId="$Id$"; | |
| #include "pa_config_includes.h" | |
| #include "pcre.h" | |
| #include "classes.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "_file.h" | |
| #include "pa_vfile.h" | #include "pa_vfile.h" |
| #include "pa_table.h" | #include "pa_table.h" |
| #include "pa_vint.h" | |
| #include "pa_exec.h" | |
| #include "pa_vdate.h" | |
| #include "pa_dir.h" | |
| #include "pa_vtable.h" | |
| // consts | // consts |
| const int FIND_MONKEY_MAX_HOPS=10; | // defines |
| #define FILE_CLASS_NAME "file" | |
| #define TEXT_MODE_NAME "text" | |
| // class | |
| class MFile : public Methoded { | |
| public: // VStateless_class | |
| Value *create_new_value(Pool& pool) { return new(pool) VFile(pool); } | |
| // global var | public: // Methoded |
| bool used_directly() { return true; } | |
| VStateless_class *file_class; | public: |
| MFile(Pool& pool); | |
| }; | |
| // consts | |
| const int FIND_MONKEY_MAX_HOPS=10; | |
| // methods | // methods |
| /// @test mkdirs | static void _save(Request& r, const String&, MethodParams *params) { |
| static void _save(Request& r, const String& method_name, Array *params) { | Value& vmode_name=params-> as_no_junction(0, "mode must not be code"); |
| if(r.self==file_class) | Value& vfile_name=params->as_no_junction(1, "file name must not be code"); |
| RTHROW(0, 0, | |
| &method_name, | |
| "method of 'file' is not static"); | |
| Pool& pool=r.pool(); | |
| Value& vfile_name=*static_cast<Value *>(params->get(0)); | |
| // forcing | |
| // ^save[this body type] | |
| r.fail_if_junction_(true, vfile_name, | |
| method_name, "file name must not be junction"); | |
| // forcing untaint language | |
| String lfile_name(pool); | |
| lfile_name.append(vfile_name.as_string(), | |
| String::UL_FILE_NAME, true); | |
| // save | // save |
| static_cast<VFile *>(r.self)->save(r.absolute(lfile_name)); | static_cast<VFile *>(r.self)->save(r.absolute(vfile_name.as_string()), |
| vmode_name.as_string()==TEXT_MODE_NAME); | |
| } | } |
| static void _delete(Request& r, const String& method_name, Array *params) { | static void _delete(Request& r, const String&, MethodParams *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Value& vfile_name=*static_cast<Value *>(params->get(0)); | Value& vfile_name=params->as_no_junction(0, "file name must not be code"); |
| // forcing | |
| // ^delete[this body type] | // unlink |
| r.fail_if_junction_(true, vfile_name, | file_delete(pool, r.absolute(vfile_name.as_string())); |
| method_name, "file name must not be junction"); | } |
| static void _move(Request& r, const String&, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| Value& vfrom_file_name=params->as_no_junction(0, "from file name must not be code"); | |
| Value& vto_file_name=params->as_no_junction(1, "to file name must not be code"); | |
| // forcing untaint language | |
| String lfile_name(pool); | |
| lfile_name.append(vfile_name.as_string(), | |
| String::UL_FILE_NAME, true); | |
| // unlink | // unlink |
| file_delete(pool, r.absolute(lfile_name)); | file_move(pool, |
| r.absolute(vfrom_file_name.as_string()), | |
| r.absolute(vto_file_name.as_string())); | |
| } | } |
| static void _find(Request& r, const String& method_name, Array *params) { | static void _find(Request& r, const String& method_name, MethodParams *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Value& vfile_name=*static_cast<Value *>(params->get(0)); | Value& vfile_name=params->as_no_junction(0, "file name must not be code"); |
| // forcing | |
| // ^delete[this body type] | |
| r.fail_if_junction_(true, vfile_name, | |
| method_name, "file name must not be junction"); | |
| // forcing untaint language | const String &lfile_name=vfile_name.as_string(); |
| String lfile_name(pool); | |
| lfile_name.append(vfile_name.as_string(), | |
| String::UL_FILE_NAME, true); | |
| // passed file name simply exists in current dir | // passed file name simply exists in current dir |
| if(file_readable(r.absolute(lfile_name))) { | if(file_readable(r.absolute(lfile_name))) { |
| Line 85 static void _find(Request& r, const Stri | Line 97 static void _find(Request& r, const Stri |
| String test_name(pool); | String test_name(pool); |
| for(int j=0; j<i; j++) | for(int j=0; j<i; j++) |
| test_name.APPEND_CONST("../"); | test_name.APPEND_CONST("../"); |
| test_name.append(lfile_name, String::UL_NO); | test_name.append(lfile_name, String::UL_CLEAN); |
| if(file_readable(r.absolute(test_name))) { | if(file_readable(r.absolute(test_name))) { |
| r.write_no_lang(*new(pool) VString(*new(pool) String(test_name))); | r.write_no_lang(*new(pool) VString(*new(pool) String(test_name))); |
| return; | return; |
| Line 94 static void _find(Request& r, const Stri | Line 106 static void _find(Request& r, const Stri |
| // not found | // not found |
| if(params->size()==2) { | if(params->size()==2) { |
| // forcing ..{this body type} | Value& not_found_code=params->as_junction(1, "not-found param must be code"); |
| Value& not_found_code=*static_cast<Value *>(params->get(1)); | |
| r.fail_if_junction_(false, not_found_code, | |
| method_name, "not-found param must be junction"); | |
| r.write_pass_lang(r.process(not_found_code)); | r.write_pass_lang(r.process(not_found_code)); |
| } | } |
| } | } |
| static void _load(Request& r, const String& method_name, Array *params) { | static void _load(Request& r, const String& method_name, MethodParams *params) { |
| if(r.self==file_class) | Pool& pool=r.pool(); |
| RTHROW(0, 0, | Value& vmode_name=params-> as_no_junction(0, "mode must not be code"); |
| &method_name, | Value& vfile_name=params->as_no_junction(1, "file name must not be code"); |
| "method of 'file' is not static"); | |
| const String& lfile_name=vfile_name.as_string(); | |
| Pool& pool=r.pool(); | |
| Value& vfile_name=*static_cast<Value *>(params->get(0)); | |
| // forcing ^load[this body type] | |
| r.fail_if_junction_(true, vfile_name, | |
| method_name, "file name must not be junction"); | |
| // forcing untaint language | |
| String lfile_name(pool); | |
| lfile_name.append(vfile_name.as_string(), | |
| String::UL_FILE_NAME, true); | |
| void *data; size_t size; | void *data; size_t size; |
| file_read(pool, r.absolute(lfile_name), data, size, false/*binary*/); | file_read(pool, r.absolute(lfile_name), data, size, |
| vmode_name.as_string()==TEXT_MODE_NAME); | |
| char *user_file_name=params->size()==1?lfile_name.cstr() | char *user_file_name=params->size()>2?params->get(2).as_string().cstr() |
| :static_cast<Value *>(params->get(1))->as_string().cstr(); | :lfile_name.cstr(String::UL_FILE_NAME); |
| const String *mime_type=0; | static_cast<VFile *>(r.self)->set(true/*tainted*/, data, size, |
| if(params->size()==3) | user_file_name, &r.mime_type_of(user_file_name)); |
| mime_type=&static_cast<Value *>(params->get(2))->as_string(); | } |
| else { | |
| if(r.mime_types) { | static void _stat(Request& r, const String& method_name, MethodParams *params) { |
| if(char *cext=strrchr(user_file_name, '.')) { | Pool& pool=r.pool(); |
| cext++; | Value& vfile_name=params->as_no_junction(0, "file name must not be code"); |
| String sext(pool, cext); | |
| if(r.mime_types->locate(0, sext)) | const String& lfile_name=vfile_name.as_string(); |
| if(!(mime_type=r.mime_types->item(1))) | |
| PTHROW(0, 0, | size_t size; |
| r.mime_types->origin_string(), | time_t atime, mtime, ctime; |
| "MIME-TYPE table column elements must not be empty"); | file_stat(r.absolute(lfile_name), |
| } | size, |
| atime, mtime, ctime); | |
| VFile& vfile=*static_cast<VFile *>(r.self); | |
| vfile.set(true/*tainted*/, 0/*no bytes*/, size); | |
| Hash& ff=vfile.fields(); | |
| ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime)); | |
| ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime)); | |
| ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime)); | |
| } | |
| static void append_env_pair(const Hash::Key& key, Hash::Val *value, void *info) { | |
| Hash& hash=*static_cast<Hash *>(info); | |
| hash.put(key, &static_cast<Value *>(value)->as_string()); | |
| } | |
| static void pass_cgi_header_attribute(Array::Item *value, void *info) { | |
| String& string=*static_cast<String *>(value); | |
| Hash& hash=*static_cast<Hash *>(info); | |
| int colon_pos=string.pos(":", 1); | |
| if(colon_pos>0) | |
| hash.put(string.mid(0, colon_pos), | |
| new(string.pool()) VString(string.mid(colon_pos+1, string.size()))); | |
| } | |
| /// @todo fix `` in perl - they produced flipping consoles and no output to perl | |
| static void _exec_cgi(Request& r, const String& method_name, MethodParams *params, | |
| bool cgi) { | |
| Pool& pool=r.pool(); | |
| Value& vfile_name=params->as_no_junction(0, "file name must not be code"); | |
| const String& script_name=r.absolute(vfile_name.as_string()); | |
| Hash env(pool); | |
| #define PASS(key) \ | |
| String key(pool); \ | |
| if(const char *value=SAPI::get_env(pool, #key)) { \ | |
| key.APPEND_CONST(value); \ | |
| env.put(String(pool, #key), &key); \ | |
| } | |
| #define INFO(key, value) \ | |
| String value(pool); \ | |
| if(r.info.value) { \ | |
| value.APPEND_CONST(r.info.value); \ | |
| env.put(String(pool, key), &value); \ | |
| } | } |
| // const | |
| String gateway_interface(pool, "CGI/1.1"); | |
| env.put(String(pool, "GATEWAY_INTERFACE"), &gateway_interface); | |
| // from Request.info | |
| INFO("DOCUMENT_ROOT", document_root); | |
| INFO("PATH_TRANSLATED", path_translated); | |
| INFO("SERVER_PROTOCOL", method); | |
| INFO("QUERY_STRING", query_string); | |
| INFO("REQUEST_URI", uri); | |
| INFO("CONTENT_TYPE", content_type); | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length); | |
| String content_length(pool, content_length_cstr); | |
| env.put(String(pool, "CONTENT_LENGTH"), &content_length); | |
| INFO("HTTP_COOKIE", cookie); | |
| INFO("HTTP_USER_AGENT", user_agent); | |
| // passing some SAPI:get_env-s | |
| PASS(SERVER_NAME); | |
| PASS(SERVER_PORT); | |
| PASS(HTTP_REFERER); | |
| PASS(REMOTE_ADDR); | |
| PASS(REMOTE_HOST); | |
| PASS(REMOTE_USER); | |
| // SCRIPT_NAME | |
| env.put(String(pool, "SCRIPT_NAME"), &script_name); | |
| #ifdef WIN32 | |
| // WIN32 shell | |
| PASS(COMSPEC); | |
| #endif | |
| if(params->size()>1) { | |
| Value& venv=params->as_no_junction(1, "env must not be code"); | |
| if(Hash *user_env=venv.get_hash()) | |
| user_env->for_each(append_env_pair, &env); | |
| } | |
| Array *argv=0; | |
| if(params->size()>2) { | |
| argv=new(pool) Array(pool, params->size()-2); | |
| for(int i=2; i<params->size(); i++) | |
| *argv+=¶ms->get(i).as_string(); | |
| } | } |
| if(!mime_type) | const String in(pool, r.post_data, r.post_size); |
| mime_type=new(pool) String(pool, "application/octet-stream"); | String out(pool); |
| //out.APPEND_CONST("content-type:text/plain\nheader:test-header\n\ntest-body"); | |
| //out<<in; | |
| String& err=*new(pool) String(pool); | |
| int status=pa_exec(script_name, &env, argv, in, out, err); | |
| VFile& self=*static_cast<VFile *>(r.self); | |
| const String *body=&out; // ^file:exec | |
| if(cgi) { // ^file:cgi | |
| // construct with 'out' body and header | |
| int delim_size; | |
| const char *eol_marker="\r\n"; size_t eol_marker_size=2; | |
| int pos=out.pos("\r\n\r\n", delim_size=4); | |
| if(pos<0) { | |
| eol_marker="\n"; eol_marker_size=1; | |
| pos=out.pos("\n\n", delim_size=2); | |
| } | |
| if(pos<0) { | |
| delim_size=0; // calm down, compiler | |
| PTHROW(0, 0, | |
| &method_name, | |
| "output does not contain CGI header; exit code=%d; outsize=%u; out: \"%s\"; errsize=%u; err: \"%s\"", | |
| status, | |
| (uint)out.size(), out.cstr(), | |
| (uint)err.size(), err.cstr()); | |
| } | |
| const String& header=out.mid(0, pos); | |
| body=&out.mid(pos+delim_size, out.size()); | |
| static_cast<VFile *>(r.self)->set(data, size, user_file_name, mime_type); | // header to $fields |
| { | |
| Array rows(pool); | |
| header.split(rows, 0, eol_marker, eol_marker_size, String::UL_CLEAN); | |
| rows.for_each(pass_cgi_header_attribute, &self.fields()); | |
| } | |
| } | |
| // body | |
| self.set(false/*not tainted*/, body->cstr(String::UL_AS_IS), body->size()); | |
| // $status | |
| self.fields().put( | |
| *new(pool) String(pool, "status"), | |
| new(pool) VInt(pool, status)); | |
| // $stderr | |
| if(err.size()) { | |
| self.fields().put( | |
| *new(pool) String(pool, "stderr"), | |
| new(pool) VString(err)); | |
| SAPI::log(pool, "file:%s: %s", cgi?"cgi":"exec", err.cstr()); | |
| } | |
| } | |
| static void _exec(Request& r, const String& method_name, MethodParams *params) { | |
| _exec_cgi(r, method_name, params, false); | |
| } | |
| static void _cgi(Request& r, const String& method_name, MethodParams *params) { | |
| _exec_cgi(r, method_name, params, true); | |
| } | } |
| // initialize | static void _list(Request& r, const String& method_name, MethodParams *params) { |
| Pool& pool=r.pool(); | |
| void initialize_file_class(Pool& pool, VStateless_class& vclass) { | Value& relative_path=params->as_no_junction(0, "path must not be code"); |
| // ^save[file-name] | |
| vclass.add_native_method("save", _save, 1, 1); | const String *regexp; |
| pcre *regexp_code; | |
| int ovecsize; | |
| int *ovector; | |
| if(params->size()>1) { | |
| regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string(); | |
| const char *pattern=regexp->cstr(String::UL_AS_IS); | |
| const char *errptr; | |
| int erroffset; | |
| regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL, | |
| &errptr, &erroffset, | |
| r.pcre_tables); | |
| if(!regexp_code) | |
| PTHROW(0, 0, | |
| ®exp->mid(erroffset, regexp->size()), | |
| "regular expression syntax error - %s", errptr); | |
| ovector=(int *)malloc(sizeof(int)*(ovecsize=(1/*match*/)*3)); | |
| } else | |
| regexp_code=0; | |
| const char* absolute_path_cstr=r.absolute(relative_path.as_string()) | |
| .cstr(String::UL_FILE_NAME); | |
| Array& columns=*new(pool) Array(pool); | |
| columns+=new(pool) String(pool, "name"); | |
| Table& table=*new(pool) Table(pool, &method_name, &columns); | |
| LOAD_DIR(absolute_path_cstr, | |
| size_t file_name_size=strlen(ffblk.ff_name); | |
| bool suits=true; | |
| if(regexp_code) { | |
| int exec_result=pcre_exec(regexp_code, 0, | |
| ffblk.ff_name, file_name_size, 0, | |
| 0, ovector, ovecsize); | |
| if(exec_result==PCRE_ERROR_NOMATCH) | |
| suits=false; | |
| else if(exec_result<0) { | |
| (*pcre_free)(regexp_code); | |
| PTHROW(0, 0, | |
| regexp, | |
| "regular expression execute (%d)", | |
| exec_result); | |
| } | |
| } | |
| if(suits) { | |
| char *file_name_cstr=(char *)r.malloc(file_name_size); | |
| memcpy(file_name_cstr, ffblk.ff_name, file_name_size); | |
| String &file_name=*new(pool) String(pool); | |
| file_name.APPEND(file_name_cstr, file_name_size, String::UL_FILE_NAME, | |
| method_name.origin().file, method_name.origin().line); | |
| Array& row=*new(pool) Array(pool); | |
| row+=&file_name; | |
| table+=&row; | |
| } | |
| ); | |
| if(regexp_code) | |
| (*pcre_free)(regexp_code); | |
| VTable& result=*new(pool) VTable(pool, &table); | |
| result.set_name(method_name); | |
| r.write_no_lang(result); | |
| } | |
| // constructor | |
| MFile::MFile(Pool& apool) : Methoded(apool) { | |
| set_name(*NEW String(pool(), FILE_CLASS_NAME)); | |
| // ^save[mode;file-name] | |
| add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2); | |
| // ^delete[file-name] | // ^delete[file-name] |
| vclass.add_native_method("delete", _delete, 1, 1); | add_native_method("delete", Method::CT_STATIC, _delete, 1, 1); |
| // ^move[from-file-name;to-file-name] | |
| add_native_method("move", Method::CT_STATIC, _move, 2, 2); | |
| // ^find[file-name] | // ^find[file-name] |
| // ^find[file-name]{when-not-found} | // ^find[file-name]{when-not-found} |
| vclass.add_native_method("find", _find, 1, 2); | add_native_method("find", Method::CT_STATIC, _find, 1, 2); |
| // ^load[mode;disk-name] | |
| // ^load[mode;disk-name;user-name] | |
| add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3); | |
| // ^stat[disk-name] | |
| add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1); | |
| // ^cgi[file-name] | |
| // ^cgi[file-name;env hash] | |
| // ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s] | |
| add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+10); | |
| // ^exec[file-name] | |
| // ^exec[file-name;env hash] | |
| // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s] | |
| add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+10); | |
| // ^file:list[path] | |
| // ^file:list[path][regexp] | |
| add_native_method("list", Method::CT_STATIC, _list, 1, 2); | |
| } | |
| // global variable | |
| Methoded *file_class; | |
| // creator | |
| // ^load[disk-name] | Methoded *MFile_create(Pool& pool) { |
| // ^load[disk-name;user-name] | return file_class=new(pool) MFile(pool); |
| // ^load[disk-name;user-name;mime-type] | |
| vclass.add_native_method("load", _load, 1, 3); | |
| } | } |