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| version 1.136, 2005/08/09 08:14:47 | version 1.263, 2017/05/17 14:22:11 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b file parser class. | Parser: @b file parser class. |
| Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char * const IDENT_FILE_C="$Date$"; | |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #include "pcre.h" | |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| Line 25 static const char * const IDENT_FILE_C=" | Line 21 static const char * const IDENT_FILE_C=" |
| #include "pa_charset.h" | #include "pa_charset.h" |
| #include "pa_charsets.h" | #include "pa_charsets.h" |
| #include "pa_sql_connection.h" | #include "pa_sql_connection.h" |
| #include "pa_md5.h" | |
| #include "pa_vregex.h" | |
| #include "pa_version.h" | |
| volatile const char * IDENT_FILE_C="$Id$"; | |
| // defines | // defines |
| #define TEXT_MODE_NAME "text" | |
| #define BINARY_MODE_NAME "binary" | |
| #define STDIN_EXEC_PARAM_NAME "stdin" | #define STDIN_EXEC_PARAM_NAME "stdin" |
| #define CHARSET_EXEC_PARAM_NAME "charset" | #define CHARSET_EXEC_PARAM_NAME "charset" |
| #define NAME_NAME "name" | #define NAME_NAME "name" |
| #define KEEP_EMPTY_DIRS_NAME "keep-empty-dirs" | |
| #define SUPPRESS_EXCEPTION_NAME "exception" | |
| // externs | // externs |
| extern String sql_limit_name; | extern String sql_limit_name; |
| extern String sql_offset_name; | extern String sql_offset_name; |
| // helpers | |
| class File_list_table_template_columns: public ArrayString { | |
| public: | |
| File_list_table_template_columns() { | |
| *this+=new String("name"); | |
| *this+=new String("dir"); | |
| *this+=new String("size"); | |
| *this+=new String("cdate"); | |
| *this+=new String("mdate"); | |
| *this+=new String("adate"); | |
| } | |
| }; | |
| Table file_list_table_template(new File_list_table_template_columns); | |
| // class | // class |
| class MFile: public Methoded { | class MFile: public Methoded { |
| public: // VStateless_class | public: // VStateless_class |
| Value* create_new_value(Pool&) { return new VFile(); } | |
| Value* create_new_value(Pool&, HashStringValue&) { return new VFile(); } | |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| public: | public: |
| MFile(); | MFile(); |
| }; | }; |
| // global variable | // global variable |
| DECLARE_CLASS_VAR(file, new MFile, 0); | DECLARE_CLASS_VAR(file, new MFile); |
| // consts | // consts |
| Line 107 static const char* suexec_safe_env_lst[] | Line 118 static const char* suexec_safe_env_lst[] |
| // statics | // statics |
| static const String::Body size_name("size"); | |
| static const String::Body adate_name("adate"); | static const String::Body adate_name("adate"); |
| static const String::Body mdate_name("mdate"); | static const String::Body mdate_name("mdate"); |
| static const String::Body cdate_name("cdate"); | static const String::Body cdate_name("cdate"); |
| // methods | // methods |
| static bool is_text_mode(const String& mode) { | |
| if(mode==TEXT_MODE_NAME) | |
| return true; | |
| if(mode==BINARY_MODE_NAME) | |
| return false; | |
| throw Exception("parser.runtime", | |
| &mode, | |
| "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'"); | |
| } | |
| static void _save(Request& r, MethodParams& params) { | static void _save(Request& r, MethodParams& params) { |
| Value& vmode_name=params. as_no_junction(0, "mode must not be code"); | bool is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE)); |
| Value& vfile_name=params.as_no_junction(1, "file name must not be code"); | Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE); |
| Charset* asked_charset=0; | |
| if(params.count()>2) | |
| if(HashStringValue* options=params.as_hash(2)){ | |
| int valid_options=0; | |
| if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){ | |
| asked_charset=&pa_charsets.get(vcharset_name->as_string()); | |
| valid_options++; | |
| } | |
| if(valid_options != options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| // save | // save |
| GET_SELF(r, VFile).save(r.absolute(vfile_name.as_string()), | GET_SELF(r, VFile).save(r.charsets, r.absolute(vfile_name.as_string()), is_text, asked_charset); |
| is_text_mode(vmode_name.as_string())); | |
| } | } |
| static void _delete(Request& r, MethodParams& params) { | static void _delete(Request& r, MethodParams& params) { |
| Value& vfile_name=params.as_no_junction(0, "file name must not be code"); | const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE); |
| bool keep_empty_dirs=false; | |
| bool fail_on_problem=true; | |
| if(params.count()>1) | |
| if(HashStringValue* options=params.as_hash(1)){ | |
| int valid_options=0; | |
| if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){ | |
| keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool(); | |
| valid_options++; | |
| } | |
| if(Value* vsuppress_exception=options->get(SUPPRESS_EXCEPTION_NAME)){ | |
| fail_on_problem=r.process(*vsuppress_exception).as_bool(); | |
| valid_options++; | |
| } | |
| if(valid_options != options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| // unlink | // unlink |
| file_delete(r.absolute(vfile_name.as_string())); | file_delete(r.absolute(file_name), fail_on_problem, keep_empty_dirs); |
| } | } |
| static void _move(Request& r, MethodParams& params) { | static void _move(Request& r, MethodParams& params) { |
| Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code"); | 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"); | Value& vto_file_name=params.as_no_junction(1, "to file name must not be code"); |
| bool keep_empty_dirs=false; | |
| if(params.count()>2) | |
| if(HashStringValue* options=params.as_hash(2)){ | |
| int valid_options=0; | |
| if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){ | |
| keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool(); | |
| valid_options++; | |
| } | |
| if(valid_options != options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| // move | // move |
| file_move( | file_move( |
| r.absolute(vfrom_file_name.as_string()), | r.absolute(vfrom_file_name.as_string()), |
| r.absolute(vto_file_name.as_string())); | r.absolute(vto_file_name.as_string()), |
| keep_empty_dirs); | |
| } | |
| static void copy_process_source(struct stat&, int from_file, const String&, void *context) { | |
| int& to_file=*static_cast<int *>(context); | |
| int nCount=0; | |
| do { | |
| unsigned char buffer[FILE_BUFFER_SIZE]; | |
| nCount = file_block_read(from_file, buffer, sizeof(buffer)); | |
| int written=write(to_file, buffer, nCount); | |
| if( written < 0 ) | |
| throw Exception("file.access", | |
| 0, | |
| "write failed: %s (%d)", strerror(errno), errno); | |
| } while(nCount > 0); | |
| } | |
| static void copy_open_target(int f, void *from_spec) { | |
| String& file_spec=*static_cast<String *>(from_spec); | |
| file_read_action_under_lock(file_spec, "copy", copy_process_source, &f); | |
| } | |
| static void _copy(Request& r, MethodParams& params) { | |
| 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"); | |
| String from_spec = r.absolute(vfrom_file_name.as_string()); | |
| const String& to_spec = r.absolute(vto_file_name.as_string()); | |
| file_write_action_under_lock( | |
| to_spec, | |
| "copy", | |
| copy_open_target, | |
| &from_spec); | |
| } | } |
| static void _load_pass_param( | static void _load_pass_param( |
| HashStringValue::key_type key, | HashStringValue::key_type key, |
| HashStringValue::value_type value, | HashStringValue::value_type value, |
| HashStringValue *dest) { | HashStringValue *dest) { |
| dest->put(key, value); | dest->put(key, value); |
| } | } |
| static void _load(Request& r, MethodParams& params) { | static void _load(Request& r, MethodParams& params) { |
| Value& vmode_name=params. as_no_junction(0, "mode must not be code"); | bool as_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE)); |
| const String& lfile_name=r.absolute(params.as_no_junction(1, "file name must not be code").as_string()); | const String& lfile_name=r.absolute(params.as_string(1, FILE_NAME_MUST_NOT_BE_CODE)); |
| Value* third_param=params.count()>2?¶ms.as_no_junction(2, "filename or options must not be code") | |
| :0; | size_t param_index=params.count()-1; |
| HashStringValue* third_param_hash=third_param?third_param->get_hash():0; | Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "file name or options must not be code"):0; |
| size_t alt_filename_param_index=2; | |
| if(third_param_hash) | HashStringValue* options=0; |
| alt_filename_param_index++; | const String* user_file_name=0; |
| if(param_value){ | |
| options=param_value->get_hash(); | |
| if(options || param_index>2) | |
| param_index--; | |
| if(param_index>1){ | |
| const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING); | |
| if(!luser_file_name.is_empty()) | |
| user_file_name=&luser_file_name; | |
| } | |
| } | |
| if(!user_file_name) | |
| user_file_name=&lfile_name; | |
| HashStringValue* options=third_param_hash; | |
| size_t offset=0; | size_t offset=0; |
| size_t limit=0; | size_t limit=0; |
| if(options) { | |
| if(options){ | |
| options=new HashStringValue(*options); | options=new HashStringValue(*options); |
| if(Value *voffset=(Value *)options->get(sql_offset_name)) { | if(Value *voffset=(Value *)options->get(sql_offset_name)){ |
| options->remove(sql_offset_name); | offset=r.process(*voffset).as_int(); |
| offset=r.process_to_value(*voffset).as_int(); | } |
| } | if(Value *vlimit=(Value *)options->get(sql_limit_name)){ |
| if(Value *vlimit=(Value *)options->get(sql_limit_name)) { | limit=r.process(*vlimit).as_int(); |
| options->remove(sql_limit_name); | |
| limit=r.process_to_value(*vlimit).as_int(); | |
| } | } |
| // no check on options count here, see file_read | // no check on options count here, see file_read |
| } | } |
| File_read_result file=file_read(r.charsets, lfile_name, | File_read_result file=file_load(r, lfile_name, |
| is_text_mode(vmode_name.as_string()), | as_text, options, true, 0, offset, limit |
| options, true, 0, offset, limit | |
| ); | ); |
| const char *user_file_name=params.count()>alt_filename_param_index? | |
| params.as_string(alt_filename_param_index, "filename must be string").cstr() | |
| :lfile_name.cstr(String::L_FILE_SPEC); | |
| Value* vcontent_type=0; | Value* vcontent_type=0; |
| if(file.headers) | if(file.headers){ |
| { | if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER)) |
| if(Value* remote_content_type=file.headers->get("CONTENT-TYPE")) | |
| vcontent_type=new VString(*new String(remote_content_type->as_string().cstr())); | vcontent_type=new VString(*new String(remote_content_type->as_string().cstr())); |
| } | } |
| if(!vcontent_type) | |
| vcontent_type=new VString(r.mime_type_of(user_file_name)); | VFile& self=GET_SELF(r, VFile); |
| self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r); | |
| if(file.headers){ | |
| file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields()); | |
| } else { | |
| uint64_t size; | |
| time_t atime, mtime, ctime; | |
| file_stat(lfile_name, size, atime, mtime, ctime); | |
| HashStringValue& ff=self.fields(); | |
| ff.put(adate_name, new VDate((pa_time_t)atime)); | |
| ff.put(mdate_name, new VDate((pa_time_t)mtime)); | |
| ff.put(cdate_name, new VDate((pa_time_t)ctime)); | |
| } | |
| } | |
| static void _create(Request& r, MethodParams& params) { | |
| const String* mode=0; | |
| const String* file_name=0; | |
| bool is_text=true; | |
| // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]] | |
| size_t content_index=0; | |
| size_t options_index=1; | |
| bool extended_options=true; | |
| if(params.count()>=3){ | |
| // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]] | |
| mode=¶ms.as_string(0, MODE_MUST_NOT_BE_CODE); | |
| is_text=VFile::is_text_mode(*mode); | |
| file_name=¶ms.as_string(1, FILE_NAME_MUST_NOT_BE_CODE); | |
| content_index=2; | |
| options_index=3; | |
| extended_options=false; | |
| } | |
| VString* vcontent_type=0; | |
| Charset* to_charset=0; | |
| Charset* from_charset=0; | |
| if(params.count()>options_index) | |
| if(HashStringValue* options=params.as_hash(options_index)) { | |
| int valid_options=0; | |
| if(extended_options) { | |
| if(Value* vmode=options->get(MODE_NAME)) { | |
| mode=&vmode->as_string(); | |
| is_text=VFile::is_text_mode(*mode); | |
| valid_options++; | |
| } | |
| if(Value* vfile_name=options->get(NAME_NAME)) { | |
| file_name=&vfile_name->as_string(); | |
| valid_options++; | |
| } | |
| } | |
| if(Value* vcharset_name=options->get("to-charset")) { | |
| to_charset=&pa_charsets.get(vcharset_name->as_string()); | |
| valid_options++; | |
| } | |
| if(Value* vcharset_name=options->get("from-charset")) { | |
| from_charset=&pa_charsets.get(vcharset_name->as_string()); | |
| valid_options++; | |
| } | |
| if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) { | |
| if(to_charset) | |
| throw Exception(PARSER_RUNTIME, 0, "charset option can not be used with to-charset"); | |
| to_charset=&pa_charsets.get(vcharset_name->as_string()); | |
| valid_options++; | |
| } | |
| if(Value* value=options->get(CONTENT_TYPE_NAME)) { | |
| vcontent_type=new VString(value->as_string()); | |
| valid_options++; | |
| } | |
| if(valid_options != options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| Value& vcontent=params.as_no_junction(content_index, "content must be string or file"); | |
| VFile& self=GET_SELF(r, VFile); | VFile& self=GET_SELF(r, VFile); |
| self.set(true/*tainted*/, file.str, file.length, user_file_name, vcontent_type); | |
| if(file.headers) | if(const String* content_str=vcontent.get_string()){ |
| file.headers->for_each(_load_pass_param, &self.fields()); | String::Body body=content_str->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets); // explode content, honor tainting changes |
| self.set(true/*tainted*/, is_text, body.cstrm(), body.length(), file_name, vcontent_type, &r); | |
| } else { | |
| VFile& fcontent=*vcontent.as_vfile(String::L_AS_IS); // can't be null | |
| if(mode){ | |
| self.set(fcontent, &is_text, file_name, vcontent_type, &r); | |
| if(is_text && !fcontent.is_text_mode()) | |
| from_charset=self.detect_binary_charset(from_charset); | |
| } else { | |
| self.set(fcontent, 0, file_name, vcontent_type, &r); | |
| is_text=fcontent.is_text_mode(); | |
| } | |
| } | |
| if(to_charset || from_charset) | |
| if(is_text) | |
| self.transcode(from_charset ? *from_charset : r.charsets.source(), to_charset ? *to_charset : r.charsets.source()); | |
| else | |
| throw Exception(PARSER_RUNTIME, 0, "charset options can not be used with binary content"); | |
| } | } |
| static void _stat(Request& r, MethodParams& params) { | static void _stat(Request& r, MethodParams& params) { |
| Value& vfile_name=params.as_no_junction(0, "file name must not be code"); | const String& lfile_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE); |
| const String& lfile_name=vfile_name.as_string(); | uint64_t size; |
| size_t size; | |
| time_t atime, mtime, ctime; | time_t atime, mtime, ctime; |
| file_stat(r.absolute(lfile_name), | file_stat(r.absolute(lfile_name), size, atime, mtime, ctime); |
| size, | |
| atime, mtime, ctime); | |
| VFile& self=GET_SELF(r, VFile); | VFile& self=GET_SELF(r, VFile); |
| self.set(true/*tainted*/, 0/*no bytes*/, size); | |
| self.set_binary(true/*tainted*/, 0 /*no bytes*/, 0 /*fake size*/, &lfile_name, 0, &r); | |
| HashStringValue& ff=self.fields(); | HashStringValue& ff=self.fields(); |
| ff.put(adate_name, new VDate(atime)); | ff.put(size_name, new VDouble((double)size) /*real size*/); |
| ff.put(mdate_name, new VDate(mtime)); | ff.put(adate_name, new VDate((pa_time_t)atime)); |
| ff.put(cdate_name, new VDate(ctime)); | ff.put(mdate_name, new VDate((pa_time_t)mtime)); |
| ff.put(content_type_name, new VString(r.mime_type_of(lfile_name.cstr(String::L_FILE_SPEC)))); | ff.put(cdate_name, new VDate((pa_time_t)ctime)); |
| } | } |
| static bool is_safe_env_key(const char* key) { | static bool is_safe_env_key(const char* key) { |
| for(const char* validator=key; *validator; validator++) { | for(const char* validator=key; *validator; validator++) { |
| char c=*validator; | char c=*validator; |
| if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-')) | if(!( (c>='A' && c<='Z') || (c>='0' && c<='9') || (c=='_' || c=='-') )) |
| return false; | return false; |
| } | } |
| #ifdef PA_SAFE_MODE | |
| if(strncasecmp(key, "HTTP_", 5)==0) | if(strncasecmp(key, "HTTP_", 5)==0) |
| return true; | return true; |
| if(strncasecmp(key, "CGI_", 4)==0) | if(strncasecmp(key, "CGI_", 4)==0) |
| Line 239 static bool is_safe_env_key(const char* | Line 416 static bool is_safe_env_key(const char* |
| return true; | return true; |
| } | } |
| return false; | return false; |
| #else | |
| return true; | |
| #endif | |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct Append_env_pair_info { | struct Append_env_pair_info { |
| Request_charsets* charsets; | |
| HashStringString* env; | HashStringString* env; |
| Value* vstdin; | Value* vstdin; |
| Value* vcharset; | |
| }; | }; |
| #endif | #endif |
| static void append_env_pair( | static void append_env_pair( |
| HashStringValue::key_type akey, | HashStringValue::key_type akey, |
| HashStringValue::value_type avalue, | HashStringValue::value_type avalue, |
| Append_env_pair_info *info) { | Append_env_pair_info *info) { |
| if(akey==STDIN_EXEC_PARAM_NAME) { | if(akey==STDIN_EXEC_PARAM_NAME) { |
| info->vstdin=avalue; | info->vstdin=avalue; |
| } else if(akey==CHARSET_EXEC_PARAM_NAME) { | } else if(akey==CHARSET_EXEC_PARAM_NAME) { |
| info->vcharset=avalue; | // ignore, already processed |
| } else { | } else { |
| if(!is_safe_env_key(akey.cstr())) | if(!is_safe_env_key(akey.cstr())) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| new String(akey, String::L_TAINTED), | new String(akey, String::L_TAINTED), |
| "not safe environment variable"); | "not safe environment variable"); |
| info->env->put(akey, avalue->as_string().cstr_to_string_body(String::L_UNSPECIFIED)); | info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets)); |
| } | } |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 271 struct Pass_cgi_header_attribute_info { | Line 451 struct Pass_cgi_header_attribute_info { |
| }; | }; |
| #endif | #endif |
| static void pass_cgi_header_attribute( | static void pass_cgi_header_attribute( |
| ArrayString::element_type astring, | ArrayString::element_type astring, |
| Pass_cgi_header_attribute_info* info) { | Pass_cgi_header_attribute_info* info) { |
| size_t colon_pos=astring->pos(':'); | size_t colon_pos=astring->pos(':'); |
| if(colon_pos!=STRING_NOT_FOUND) { | if(colon_pos!=STRING_NOT_FOUND) { |
| const String& key=astring->mid(0, colon_pos).change_case( | const String& key=astring->mid(0, colon_pos).change_case( |
| *info->charset, String::CC_UPPER); | *info->charset, String::CC_UPPER); |
| Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim()); | Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim()); |
| info->fields->put(key, value); | info->fields->put(key, value); |
| if(key=="CONTENT-TYPE") | if(key==HTTP_CONTENT_TYPE_UPPER) |
| info->content_type=value; | info->content_type=value; |
| } | } |
| } | } |
| static void append_to_argv(Request& r, ArrayString& argv, const String* str){ | |
| if(!str->is_empty()) | |
| argv+=new String(str->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets), String::L_AS_IS); | |
| } | |
| /// @todo fix `` in perl - they produced flipping consoles and no output to perl | /// @todo fix `` in perl - they produced flipping consoles and no output to perl |
| static void _exec_cgi(Request& r, MethodParams& params, | static void _exec_cgi(Request& r, MethodParams& params, bool cgi) { |
| bool cgi) { | bool is_text=true; |
| size_t param_index=0; | |
| const String& mode=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE); | |
| if(VFile::is_valid_mode(mode)) { | |
| is_text=VFile::is_text_mode(mode); | |
| param_index++; | |
| } | |
| Value& vfile_name=params.as_no_junction(0, "file name must not be code"); | if(param_index>=params.count()) |
| throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED); | |
| const String& script_name=r.absolute(vfile_name.as_string()); | const String& script_name=r.absolute(params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE)); |
| HashStringString env; | HashStringString env; |
| #define ECSTR(name, value_cstr) \ | #define ECSTR(name, value_cstr) if(value_cstr) env.put(#name, value_cstr); |
| if(value_cstr) \ | // passing environment |
| env.put( \ | for(SAPI::Env::Iterator i(r.sapi_info); i; i.next() ) |
| String::Body(#name), \ | env.put(i.key(), i.value() ); |
| String::Body(value_cstr, 0)); \ | |
| // passing SAPI::environment | |
| if(const char *const *pairs=SAPI::environment(r.sapi_info)) { | |
| while(const char* pair=*pairs++) | |
| if(const char* eq_at=strchr(pair, '=')) | |
| if(eq_at[1]) // has value | |
| env.put( | |
| pa_strdup(pair, eq_at-pair), | |
| pa_strdup(eq_at+1, 0)); | |
| } | |
| // const | // const |
| ECSTR(GATEWAY_INTERFACE, "CGI/1.1"); | ECSTR(GATEWAY_INTERFACE, "CGI/1.1"); |
| ECSTR(PARSER_VERSION, PARSER_VERSION); | |
| // from Request.info | // from Request.info |
| ECSTR(DOCUMENT_ROOT, r.request_info.document_root); | ECSTR(DOCUMENT_ROOT, r.request_info.document_root); |
| ECSTR(PATH_TRANSLATED, r.request_info.path_translated); | ECSTR(PATH_TRANSLATED, r.request_info.path_translated); |
| Line 316 static void _exec_cgi(Request& r, Method | Line 500 static void _exec_cgi(Request& r, Method |
| ECSTR(QUERY_STRING, r.request_info.query_string); | ECSTR(QUERY_STRING, r.request_info.query_string); |
| ECSTR(REQUEST_URI, r.request_info.uri); | ECSTR(REQUEST_URI, r.request_info.uri); |
| ECSTR(CONTENT_TYPE, r.request_info.content_type); | ECSTR(CONTENT_TYPE, r.request_info.content_type); |
| char content_length_cstr[MAX_NUMBER]; | ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u")); |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", r.request_info.content_length); | |
| //String content_length(content_length_cstr); | |
| ECSTR(CONTENT_LENGTH, content_length_cstr); | |
| // SCRIPT_* | // SCRIPT_* |
| env.put(String::Body("SCRIPT_NAME"), script_name); | env.put("SCRIPT_NAME", script_name); |
| //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name); | |
| bool stdin_specified=false; | |
| // environment & stdin from param | // environment & stdin from param |
| String *in=new String(); | bool in_is_text_mode=true; |
| String::C in; | |
| Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed | Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed |
| if(params.count()>1) { | if(param_index < params.count()) { |
| Value& venv=params.as_no_junction(1, "env must not be code"); | if(HashStringValue* user_env=params.as_hash(param_index++, "env")) { |
| if(HashStringValue* user_env=venv.get_hash()) { | // $.charset [previewing to handle URI pieces] |
| Append_env_pair_info info={&env, 0, 0}; | if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME)) |
| user_env->for_each(append_env_pair, &info); | charset=&pa_charsets.get(vcharset->as_string()); |
| // $.others | |
| Append_env_pair_info info={&r.charsets, &env, 0}; | |
| { | |
| // influence tainting | |
| // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang | |
| Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source()); | |
| user_env->for_each<Append_env_pair_info*>(append_env_pair, &info); | |
| } | |
| // $.stdin | // $.stdin |
| if(info.vstdin) { | if(info.vstdin) { |
| stdin_specified=true; | |
| if(const String* sstdin=info.vstdin->get_string()) { | if(const String* sstdin=info.vstdin->get_string()) { |
| in->append(*sstdin, String::L_CLEAN, true); | // untaint stdin |
| in = String::C(sstdin->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets)); | |
| } else | } else |
| if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file", false))) | if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file"))){ |
| in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED); | in = String::C((const char* )vfile->value_ptr(), vfile->value_size()); |
| else | in_is_text_mode = vfile->is_text_mode(); |
| throw Exception("parser.runtime", | } else |
| 0, | throw Exception(PARSER_RUNTIME, 0, STDIN_EXEC_PARAM_NAME " parameter must be string or file"); |
| STDIN_EXEC_PARAM_NAME " parameter must be string or file"); | } |
| } | |
| // $.charset | |
| if(info.vcharset) | |
| charset=&charsets.get(info.vcharset->as_string() | |
| .change_case(r.charsets.source(), String::CC_UPPER)); | |
| } | } |
| } | } |
| // argv from params | // argv from params |
| ArrayString argv; | ArrayString argv; |
| if(params.count()>2) { | if(param_index < params.count()) { |
| for(size_t i=2; i<params.count(); i++) | // influence tainting |
| argv+=¶ms.as_string(i, "parameter must be string"); | Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source()); |
| for(size_t i=param_index; i<params.count(); i++) { | |
| Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE); | |
| if(param.is_defined()){ | |
| if(param.is_string()){ | |
| append_to_argv(r, argv, param.get_string()); | |
| } else { | |
| Table* table=param.get_table(); | |
| if(table){ | |
| for(size_t j=0; j<table->count(); j++) | |
| append_to_argv(r, argv, table->get(j)->get(0)); | |
| } else { | |
| throw Exception(PARSER_RUNTIME, 0, "param must be string or table"); | |
| } | |
| } | |
| } | |
| } | |
| } | } |
| // transcode if necessary | // transcode if necessary |
| if(charset) { | if(charset) { |
| Charset::transcode(env, r.charsets.source(), *charset); | Charset::transcode(env, r.charsets.source(), *charset); |
| Charset::transcode(argv, r.charsets.source(), *charset); | Charset::transcode(argv, r.charsets.source(), *charset); |
| in=&Charset::transcode(*in, r.charsets.source(), *charset); | if(in_is_text_mode) |
| in=Charset::transcode(in, r.charsets.source(), *charset); | |
| } | } |
| // @todo | // @todo |
| // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to | // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to |
| // match silent conversion in OS | // match silent conversion in OS |
| // exec! | // exec! |
| PA_exec_result execution= | PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, in); |
| pa_exec(false/*forced_allow*/, script_name, &env, argv, *in); | |
| String *real_out=&execution.out; | File_read_result *file_out=&execution.out; |
| String *real_err=&execution.err; | String *real_err=&execution.err; |
| // transcode if necessary | |
| if(charset) { | // transcode err if necessary (@todo: need fix line breaks in err as well ) |
| real_out=&Charset::transcode(*real_out, *charset, r.charsets.source()); | if(charset) |
| real_err=&Charset::transcode(*real_err, *charset, r.charsets.source()); | real_err=&Charset::transcode(*real_err, *charset, r.charsets.source()); |
| if(file_out->length && is_text){ | |
| fix_line_breaks(file_out->str, file_out->length); | |
| // treat output as string | |
| String *real_out = new String(file_out->str); | |
| // transcode out if necessary | |
| if(charset) | |
| real_out=&Charset::transcode(*real_out, *charset, r.charsets.source()); | |
| // FIXME: unsafe cast | |
| file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little | |
| file_out->length = real_out->length(); | |
| } | } |
| VFile& self=GET_SELF(r, VFile); | VFile& self=GET_SELF(r, VFile); |
| const String* body=real_out; // ^file:exec | if(cgi) { // ^file::cgi |
| const char* eol_marker=0; size_t eol_marker_size; | const char* eol_marker=0; |
| const String* header=0; | size_t eol_marker_size; |
| if(cgi) { // ^file:cgi | |
| // construct with 'out' body and header | // construct with 'out' body and header |
| size_t dos_pos=real_out->pos("\r\n\r\n", 4); | size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND; |
| size_t unix_pos=real_out->pos("\n\n", 2); | size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND; |
| bool unix_header_break; | bool unix_header_break; |
| switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) { | switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) { |
| case 10: // dos | case 10: // dos |
| unix_header_break=false; | unix_header_break=false; |
| break; | break; |
| case 01: // unix | case 01: // unix |
| unix_header_break=true; | unix_header_break=true; |
| break; | break; |
| case 11: // dos & unix | case 11: // dos & unix |
| unix_header_break=unix_pos<dos_pos; | unix_header_break=unix_pos<dos_pos; |
| break; | break; |
| default: // 00 | default: // 00 |
| unix_header_break=false; // calm down, compiler | unix_header_break=false; // calm down, compiler |
| throw Exception(0, | throw Exception("file.execute", |
| 0, | 0, |
| "output does not contain CGI header; " | "output does not contain CGI header; " |
| "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"", | "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"", |
| execution.status, | execution.status, |
| (uint)real_out->length(), real_out->cstr(), | file_out->length, (file_out->length) ? (file_out->str) : "", |
| (uint)real_err->length(), real_err->cstr()); | real_err->length(), real_err->cstr()); |
| break; //never reached | break; //never reached |
| } | } |
| int header_break_pos; | size_t header_break_pos; |
| if(unix_header_break) { | if(unix_header_break) { |
| header_break_pos=unix_pos; | header_break_pos=unix_pos; |
| eol_marker="\n"; eol_marker_size=1; | eol_marker="\n"; |
| eol_marker_size=1; | |
| } else { | } else { |
| header_break_pos=dos_pos; | header_break_pos=dos_pos; |
| eol_marker="\r\n"; eol_marker_size=2; | eol_marker="\r\n"; |
| eol_marker_size=2; | |
| } | } |
| header=&real_out->mid(0, header_break_pos); | file_out->str[header_break_pos] = 0; |
| body=&real_out->mid(header_break_pos+eol_marker_size*2, real_out->length()); | String *header=new String(file_out->str); |
| } | unsigned long headersize = header_break_pos+eol_marker_size*2; |
| // body | file_out->str += headersize; |
| self.set(false/*not tainted*/, body->cstr(), body->length()); | file_out->length -= headersize; |
| // $fields << header | // $body |
| if(header && eol_marker) { | self.set(false/*not tainted*/, is_text, file_out->str, file_out->length); |
| ArrayString rows; | |
| size_t pos_after=0; | // $fields << header |
| header->split(rows, pos_after, eol_marker); | if(header) { |
| Pass_cgi_header_attribute_info info={0, 0, 0}; | ArrayString rows; |
| info.charset=&r.charsets.source(); | header->split(rows, 0, eol_marker); |
| info.fields=&self.fields(); | Pass_cgi_header_attribute_info info={0, 0, 0}; |
| rows.for_each(pass_cgi_header_attribute, &info); | info.charset=&r.charsets.source(); |
| if(info.content_type) | info.fields=&self.fields(); |
| self.fields().put(content_type_name, info.content_type); | rows.for_each(pass_cgi_header_attribute, &info); |
| if(info.content_type) | |
| self.fields().put(content_type_name, info.content_type); | |
| } | |
| } else { // ^file::exec | |
| // $body | |
| self.set(false/*not tainted*/, is_text, file_out->str ? file_out->str : pa_strdup("") /*to distinguish from stat-ed file*/, file_out->length); | |
| } | } |
| // $status | // $status |
| self.fields().put(file_status_name, new VInt(execution.status)); | self.fields().put(file_status_name, new VInt(execution.status)); |
| // $stderr | // $stderr |
| if(real_err->length()) | if(!real_err->is_empty()) |
| self.fields().put( | self.fields().put("stderr", new VString(*real_err)); |
| String::Body("stderr"), | |
| new VString(*real_err)); | |
| } | } |
| static void _exec(Request& r, MethodParams& params) { | static void _exec(Request& r, MethodParams& params) { |
| _exec_cgi(r, params, false); | _exec_cgi(r, params, false); |
| Line 462 static void _cgi(Request& r, MethodParam | Line 682 static void _cgi(Request& r, MethodParam |
| static void _list(Request& r, MethodParams& params) { | static void _list(Request& r, MethodParams& params) { |
| Value& relative_path=params.as_no_junction(0, "path must not be code"); | Value& relative_path=params.as_no_junction(0, "path must not be code"); |
| const String* regexp; | bool stat=false; |
| pcre *regexp_code; | VRegex* vregex=0; |
| const int ovecsize=(1/*match*/)*3; | VRegexCleaner vrcleaner; |
| int ovector[ovecsize]; | |
| if(params.count()>1) { | if(params.count()>1){ |
| regexp=¶ms.as_no_junction(1, "regexp must not be code").as_string(); | Value& voption=params.as_no_junction(1, "option must not be code"); |
| if(voption.is_defined()) { | |
| const char* pattern=regexp->cstr(); | Value* vfilter=0; |
| const char* errptr; | if(HashStringValue* options=voption.get_hash()) { |
| int erroffset; | int valid_options=0; |
| regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL, | if(Value* vstat=options->get("stat")) { |
| &errptr, &erroffset, | stat=r.process(*vstat).as_bool(); |
| r.charsets.source().pcre_tables); | valid_options++; |
| } | |
| if(!regexp_code) | if(Value* value=options->get("filter")) { |
| throw Exception(0, | vfilter=value; |
| ®exp->mid(erroffset, regexp->length()), | valid_options++; |
| "regular expression syntax error - %s", errptr); | } |
| } else { | if(valid_options!=options->count()) |
| regexp=0; // not used, just to calm down compiler | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| regexp_code=0; | } else { |
| vfilter=&voption; | |
| } | |
| if(vfilter) { | |
| if(Value* value=vfilter->as(VREGEX_TYPE)) { | |
| vregex=static_cast<VRegex*>(value); | |
| } else if(vfilter->is_string()) { | |
| if(!vfilter->get_string()->trim().is_empty()) { | |
| vregex=new VRegex(r.charsets.source(), &vfilter->as_string(), 0/*options*/); | |
| vregex->study(); | |
| vrcleaner.vregex=vregex; | |
| } | |
| } else { | |
| throw Exception(PARSER_RUNTIME, 0, "filter must be regex or string"); | |
| } | |
| } | |
| } | |
| } | } |
| const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC); | |
| const char* absolute_path_cstr=r.absolute(relative_path.as_string()).cstr(String::L_FILE_SPEC); | Table::Action_options table_options; |
| Table& table=*new Table(file_list_table_template, table_options); | |
| Table::columns_type columns(new ArrayString); | const int ovector_size=(1/*match*/)*3; |
| *columns+=new String("name"); | int ovector[ovector_size]; |
| Table& table=*new Table(columns); | |
| LOAD_DIR(absolute_path_cstr, | LOAD_DIR(absolute_path_cstr, |
| const char* file_name_cstr=ffblk.ff_name; | const char* file_name_cstr=ffblk.name(); |
| size_t file_name_size=strlen(file_name_cstr); | size_t file_name_size=strlen(file_name_cstr); |
| 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); | |
| throw Exception(0, | |
| regexp, | |
| "regular expression execute (%d)", | |
| exec_result); | |
| } | |
| } | |
| if(suits) { | if(!vregex || vregex->exec(file_name_cstr, file_name_size, ovector, ovector_size)>=0) { |
| Table::element_type row(new ArrayString); | Table::element_type row(new ArrayString); |
| *row+=new String(pa_strdup(file_name_cstr, file_name_size), file_name_size, true); | *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED); |
| *row+=new String(String::Body::Format(ffblk.is_dir(stat) ? 1 : 0), String::L_CLEAN); | |
| if(stat) { | |
| *row+=VDouble(ffblk.size()).get_string(); | |
| *row+=new String(String::Body::Format((int)ffblk.c_timestamp()), String::L_CLEAN); | |
| *row+=new String(String::Body::Format((int)ffblk.m_timestamp()), String::L_CLEAN); | |
| *row+=new String(String::Body::Format((int)ffblk.a_timestamp()), String::L_CLEAN); | |
| } | |
| table+=row; | table+=row; |
| } | } |
| ); | ); |
| if(regexp_code) | |
| pcre_free(regexp_code); | |
| // write out result | // write out result |
| r.write_no_lang(*new VTable(&table)); | r.write(*new VTable(&table)); |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 532 struct Lock_execute_body_info { | Line 757 struct Lock_execute_body_info { |
| Value* body_code; | Value* body_code; |
| }; | }; |
| #endif | #endif |
| static void lock_execute_body(int , void *ainfo) { | static void lock_execute_body(int , void *ainfo) { |
| Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo); | Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo); |
| // execute body | // execute body |
| info.r->write_assign_lang(info.r->process(*info.body_code)); | info.r->write(info.r->process(*info.body_code)); |
| }; | } |
| static void _lock(Request& r, MethodParams& params) { | static void _lock(Request& r, MethodParams& params) { |
| const String& file_spec=r.absolute(params.as_string(0, "file name must be string")); | const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING)); |
| Lock_execute_body_info info={ | Lock_execute_body_info info={ |
| &r, | &r, |
| ¶ms.as_junction(1, "body must be code") | ¶ms.as_junction(1, "body must be code") |
| }; | }; |
| file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info); | file_write_action_under_lock( |
| file_spec, | |
| "lock", | |
| lock_execute_body, | |
| &info); | |
| } | } |
| static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) { | static size_t afterlastslash(const String& str) { |
| size_t size=0; // just to calm down compiler | size_t pos=str.strrpbrk("/\\"); |
| if(beforelast) | return pos!=STRING_NOT_FOUND?pos+1:0; |
| size=s.length(); | } |
| size_t at; | |
| while((at=s.pos(String::Body(substr, substr_size), after))!=STRING_NOT_FOUND) { | |
| size_t newafter=at+substr_size/*skip substr*/; | |
| if(beforelast && newafter==size) | |
| break; | |
| after=newafter; | |
| } | |
| return after; | static size_t afterlastslash(const String& str, size_t right) { |
| size_t pos=str.strrpbrk("/\\", 0, right); | |
| return pos!=STRING_NOT_FOUND?pos+1:0; | |
| } | } |
| static void _find(Request& r, MethodParams& params) { | static void _find(Request& r, MethodParams& params) { |
| const String& file_name=params.as_no_junction(0, "file name must not be code").as_string(); | const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE); |
| Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0; | |
| const String* file_spec; | const String* file_spec; |
| if(file_name.first_char()=='/') | if(file_name.first_char()=='/') |
| file_spec=&file_name; | file_spec=&file_name; |
| Line 571 static void _find(Request& r, MethodPara | Line 800 static void _find(Request& r, MethodPara |
| file_spec=&r.relative(r.request_info.uri, file_name); | file_spec=&r.relative(r.request_info.uri, file_name); |
| // easy way | // easy way |
| if(file_readable(r.absolute(*file_spec))) { | if(file_exist(r.absolute(*file_spec))) { |
| r.write_assign_lang(*file_spec); | r.write(*file_spec); |
| return; | return; |
| } | } |
| // monkey way | // monkey way |
| int after_base_slash=lastposafter(*file_spec, 0, "/", 1); | size_t last_slash=file_spec->strrpbrk("/\\"); |
| const String* dirname=&file_spec->mid(0, after_base_slash); | const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0); |
| const String& basename=file_spec->mid(after_base_slash, file_spec->length()); | const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length()); |
| int after_monkey_slash; | size_t rpos=dirname.is_empty()?0:dirname.length()-1; |
| while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) { | while((rpos=dirname.rskipchars("/\\", 0, rpos))!=STRING_NOT_FOUND){ |
| size_t slash=dirname.strrpbrk("/\\", 0, rpos); | |
| if(slash==STRING_NOT_FOUND) | |
| break; | |
| String test_name; | String test_name; |
| test_name<<*(dirname=&dirname->mid(0, after_monkey_slash)); | test_name << dirname.mid(0, slash+1); |
| test_name<<basename; | test_name << basename; |
| if(file_readable(r.absolute(test_name))) { | if(file_exist(r.absolute(test_name))) { |
| r.write_assign_lang(test_name); | r.write(test_name); |
| return; | return; |
| } | } |
| rpos=slash; | |
| } | } |
| // no way, not found | // no way, not found |
| if(params.count()==2) { | if(not_found_code) |
| Value& not_found_code=params.as_junction(1, "not-found param must be code"); | r.write(r.process(*not_found_code)); |
| r.write_pass_lang(r.process(not_found_code)); | |
| } | |
| } | } |
| static void _dirname(Request& r, MethodParams& params) { | static void _dirname(Request& r, MethodParams& params) { |
| const String& file_spec=params.as_string(0, "file name must be string"); | const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); |
| // /a/some.tar.gz > /a | // works as *nix dirname |
| // /a/b/ > /a | |
| int afterslash=lastposafter(file_spec, 0, "/", 1, true); | // empty > . |
| if(afterslash>0) | // / > / |
| r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1)); | // /a > / |
| else | // /a/ > / |
| r.write_assign_lang(String(".", 1)); | // /a/some.tar.gz > /a |
| // /a/b/ > /a | |
| // /a///b/ > /a | |
| // /a/b/// > /a | |
| // file > . | |
| if(file_spec.is_empty()) { | |
| r.write(String(".")); | |
| return; | |
| } | |
| size_t p; | |
| size_t slash; | |
| if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND) | |
| r.write(String("/")); | |
| else { | |
| if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) { | |
| if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND) | |
| p=slash; | |
| r.write(file_spec.mid(0, p+1)); | |
| return; | |
| } | |
| r.write(String(".")); | |
| } | |
| } | } |
| static void _basename(Request& r, MethodParams& params) { | static void _basename(Request& r, MethodParams& params) { |
| const String& file_spec=params.as_string(0, "file name must be string"); | const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); |
| // /a/some.tar.gz > some.tar.gz | // works as *nix basename |
| int afterslash=lastposafter(file_spec, 0, "/", 1); | |
| r.write_assign_lang(file_spec.mid(afterslash, file_spec.length())); | // empty > . |
| // / > / | |
| // /a > a | |
| // /a/ > a | |
| // /a/some.tar.gz > some.tar.gz | |
| // /a/b/ > b | |
| // /a///b/ > b | |
| // /a/b/// > b | |
| // file > file | |
| if(file_spec.is_empty()) { | |
| r.write(String(".")); | |
| return; | |
| } | |
| size_t p=file_spec.rskipchars("/\\"); | |
| if(p==STRING_NOT_FOUND) | |
| r.write(String("/")); | |
| else | |
| r.write(file_spec.mid(afterlastslash(file_spec, p), p+1)); | |
| } | } |
| static void _justname(Request& r, MethodParams& params) { | static void _justname(Request& r, MethodParams& params) { |
| const String& file_spec=params.as_string(0, "file name must be string"); | const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); |
| // /a/some.tar.gz > some.tar | // /a/some.tar.gz > some.tar |
| int afterslash=lastposafter(file_spec, 0, "/", 1); | // /a/b.c/ > empty |
| int afterdot=lastposafter(file_spec, afterslash, ".", 1); | // /a/b.c > b |
| r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length())); | size_t pos=afterlastslash(file_spec); |
| size_t dotpos=file_spec.strrpbrk(".", pos); | |
| r.write(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length())); | |
| } | } |
| static void _justext(Request& r, MethodParams& params) { | static void _justext(Request& r, MethodParams& params) { |
| const String& file_spec=params.as_string(0, "file name must be string"); | const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); |
| // /a/some.tar.gz > gz | // /a/some.tar.gz > gz |
| int afterdot=lastposafter(file_spec, 0, ".", 1); | // /a/b.c/ > empty |
| if(afterdot>0) | size_t pos=afterlastslash(file_spec); |
| r.write_assign_lang(file_spec.mid(afterdot, file_spec.length())); | size_t dotpos=file_spec.strrpbrk(".", pos); |
| if(dotpos!=STRING_NOT_FOUND) | |
| r.write(file_spec.mid(dotpos+1, file_spec.length())); | |
| } | } |
| static void _fullpath(Request& r, MethodParams& params) { | static void _fullpath(Request& r, MethodParams& params) { |
| const String& file_spec=params.as_string(0, "file name must be string"); | const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); |
| const String* result; | const String* result; |
| if(file_spec.first_char()=='/') | if(file_spec.first_char()=='/') |
| result=&file_spec; | result=&file_spec; |
| Line 649 static void _fullpath(Request& r, Method | Line 927 static void _fullpath(Request& r, Method |
| } | } |
| result=&full_disk_path.mid(document_root_length, full_disk_path.length()); | result=&full_disk_path.mid(document_root_length, full_disk_path.length()); |
| } | } |
| r.write_assign_lang(*result); | r.write(*result); |
| } | } |
| static void _sql_string(Request& r, MethodParams&) { | static void _sql_string(Request& r, MethodParams&) { |
| VFile& self=GET_SELF(r, VFile); | VFile& self=GET_SELF(r, VFile); |
| const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size()); | const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size()); |
| r.write_assign_lang(*new String(quoted)); | r.write(*new String(quoted)); |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 679 public: | Line 957 public: |
| bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) { | bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) { |
| if(got_columns++==3) { | if(got_columns++==3) { |
| error=SQL_Error("parser.runtime", "result must contain not more then 3 columns"); | error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns"); |
| return true; | return true; |
| } | } |
| return false; | return false; |
| Line 694 public: | Line 972 public: |
| break; | break; |
| case 1: | case 1: |
| if(!user_file_name) // user not specified? | if(!user_file_name) // user not specified? |
| user_file_name=new String(str, length, true); | user_file_name=new String(str, String::L_TAINTED); |
| break; | break; |
| case 2: | case 2: |
| if(!user_content_type) // user not specified? | if(!user_content_type) // user not specified? |
| user_content_type=new String(str, length, true); | user_content_type=new String(str, String::L_TAINTED); |
| break; | break; |
| default: | default: |
| error=SQL_Error("parser.runtime", "result must not contain more then one row, three rows"); | error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three columns"); |
| return true; | return true; |
| } | } |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell"); | error=SQL_Error("exception occurred in File_sql_event_handlers::add_row_cell"); |
| return true; | return true; |
| } | } |
| } | } |
| Line 715 public: | Line 993 public: |
| static void _sql(Request& r, MethodParams& params) { | static void _sql(Request& r, MethodParams& params) { |
| Value& statement=params.as_junction(0, "statement must be code"); | Value& statement=params.as_junction(0, "statement must be code"); |
| Temp_lang temp_lang(r, String::L_SQL); | |
| const String& statement_string=r.process_to_string(statement); | const String& statement_string=r.process_to_string(statement); |
| const char* statement_cstr= | const char* statement_cstr=statement_string.untaint_cstr(String::L_SQL, r.connection()); |
| statement_string.cstr(String::L_UNSPECIFIED, r.connection()); | |
| File_sql_event_handlers handlers(statement_string, statement_cstr); | File_sql_event_handlers handlers(statement_string, statement_cstr); |
| ulong limit=SQL_NO_LIMIT; | |
| ulong offset=0; | |
| if(params.count()>1) | if(params.count()>1) |
| if(HashStringValue* options= | if(HashStringValue* options=params.as_hash(1, "sql options")) { |
| params.as_no_junction(1, "param must not be code").get_hash()) { | |
| int valid_options=0; | int valid_options=0; |
| if(Value* vfilename=options->get(NAME_NAME)) { | if(Value* vfilename=options->get(NAME_NAME)) { |
| valid_options++; | valid_options++; |
| Line 733 static void _sql(Request& r, MethodParam | Line 1012 static void _sql(Request& r, MethodParam |
| valid_options++; | valid_options++; |
| handlers.user_content_type=&vcontent_type->as_string(); | handlers.user_content_type=&vcontent_type->as_string(); |
| } | } |
| if(Value* vlimit=options->get(sql_limit_name)) { | |
| valid_options++; | |
| limit=(ulong)r.process(*vlimit).as_double(); | |
| } | |
| if(Value* voffset=options->get(sql_offset_name)) { | |
| valid_options++; | |
| offset=(ulong)r.process(*voffset).as_double(); | |
| } | |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| 0, | |
| "called with invalid option"); | |
| } | } |
| r.connection()->query( | r.connection()->query( |
| statement_cstr, | statement_cstr, |
| 0, 0, | 0, 0, |
| 0, 0, | offset, limit, |
| handlers, | handlers, |
| statement_string); | statement_string); |
| if(!handlers.value) | if(!handlers.value.str) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, 0, "produced no result"); |
| 0, | |
| "produced no result"); | |
| const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0; | |
| VString* vcontent_type=handlers.user_content_type? | |
| new VString(*handlers.user_content_type) | |
| : user_file_name_cstr? | |
| new VString(r.mime_type_of(user_file_name_cstr)) | |
| : 0; | |
| VFile& self=GET_SELF(r, VFile); | VFile& self=GET_SELF(r, VFile); |
| self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type); | |
| self.set_binary(true/*tainted*/, handlers.value.str, handlers.value.length, handlers.user_file_name | |
| , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0 | |
| , &r); | |
| } | |
| static void _base64(Request& r, MethodParams& params) { | |
| bool dynamic=!(&r.get_self() == file_class); | |
| if(dynamic) { | |
| VFile& self=GET_SELF(r, VFile); | |
| if(params.count()) { | |
| // decode: | |
| // ^file::base64[encoded] // backward | |
| // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]] | |
| bool is_text=false; | |
| bool strict=false; | |
| VString* vcontent_type=0; | |
| const String* user_file_name=0; | |
| size_t param_index=0; | |
| if(params.count() > 1) { | |
| if(params.count() < 3) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "constructor can not have less then 3 parameters (has %d parameters)", | |
| params.count()); // actually it accepts 1 parameter (backward) | |
| is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE)); | |
| user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING); | |
| if(params.count() == 4) | |
| if(HashStringValue* options=params.as_hash(3)) { | |
| int valid_options=0; | |
| if(Value* value=options->get(CONTENT_TYPE_NAME)) { | |
| vcontent_type=new VString(value->as_string()); | |
| valid_options++; | |
| } | |
| if(Value* vstrict=options->get(BASE64_STRICT_OPTION_NAME)) { | |
| strict=r.process(*vstrict).as_bool(); | |
| valid_options++; | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| param_index=2; | |
| } | |
| const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr(); | |
| char* decoded=0; | |
| size_t length=0; | |
| pa_base64_decode(encoded, strlen(encoded), decoded, length, strict); | |
| self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r); | |
| } else { | |
| // encode: ^f.base64[] | |
| const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size()); | |
| r.write(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/)); | |
| } | |
| } else { | |
| // encode: ^file:base64[filespec] | |
| const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); | |
| const char* encoded=pa_base64_encode(r.absolute(file_spec)); | |
| r.write(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/)); | |
| } | |
| } | } |
| // constructor | static void _crc32(Request& r, MethodParams& params) { |
| unsigned long crc32 = 0; | |
| if(&r.get_self() == file_class) { | |
| // ^file:crc32[file-name] | |
| if(params.count()) { | |
| const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); | |
| crc32=pa_crc32(r.absolute(file_spec)); | |
| } else { | |
| throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED); | |
| } | |
| } else { | |
| // ^file.crc32[] | |
| VFile& self=GET_SELF(r, VFile); | |
| crc32=pa_crc32(self.value_ptr(), self.value_size()); | |
| } | |
| r.write(*new VInt(crc32)); | |
| } | |
| MFile::MFile(): Methoded("file") { | |
| // ^save[mode;file-name] | |
| add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2); | |
| // ^delete[file-name] | static void file_md5_file_action(struct stat& finfo, int f, const String&, void *context) |
| add_native_method("delete", Method::CT_STATIC, _delete, 1, 1); | { |
| PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context); | |
| if(finfo.st_size) { | |
| int nCount=0; | |
| do { | |
| unsigned char buffer[FILE_BUFFER_SIZE]; | |
| nCount = file_block_read(f, buffer, sizeof(buffer)); | |
| if ( nCount ){ | |
| pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount); | |
| } | |
| } while(nCount > 0); | |
| } | |
| } | |
| // ^move[from-file-name;to-file-name] | const char* pa_md5(const String& file_spec) |
| add_native_method("move", Method::CT_STATIC, _move, 2, 2); | { |
| PA_MD5_CTX context; | |
| unsigned char digest[16]; | |
| pa_MD5Init(&context); | |
| file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context); | |
| pa_MD5Final(digest, &context); | |
| return hex_string(digest, sizeof(digest), false); | |
| } | |
| // ^load[mode;disk-name] | const char* pa_md5(const char *in, size_t in_size) |
| // ^load[mode;disk-name;user-name] | { |
| add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3); | PA_MD5_CTX context; |
| unsigned char digest[16]; | |
| pa_MD5Init(&context); | |
| pa_MD5Update(&context, (const unsigned char*)in, in_size); | |
| pa_MD5Final(digest, &context); | |
| return hex_string(digest, sizeof(digest), false); | |
| } | |
| // ^stat[disk-name] | static void _md5(Request& r, MethodParams& params) { |
| const char* md5; | |
| if(&r.get_self() == file_class) { | |
| // ^file:md5[file-name] | |
| if(params.count()) { | |
| const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING); | |
| md5=pa_md5(r.absolute(file_spec)); | |
| } else { | |
| throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED); | |
| } | |
| } else { | |
| // ^file.md5[] | |
| VFile& self=GET_SELF(r, VFile); | |
| md5=pa_md5(self.value_ptr(), self.value_size()); | |
| } | |
| r.write(*new String(md5)); | |
| } | |
| // constructor | |
| MFile::MFile(): Methoded("file") { | |
| // ^file::create[text|binary;file-name;string-or-file[;options hash]] | |
| // ^file::create[string-or-file[;options hash]] | |
| add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4); | |
| // ^file.save[mode;file-name] | |
| // ^file.save[mode;file-name;$.charset[...]] | |
| add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3); | |
| // ^file:delete[file-name] | |
| // ^file:delete[file-name;$.keep-empty-dir(true)$.exception(false)] | |
| add_native_method("delete", Method::CT_STATIC, _delete, 1, 2); | |
| // ^file:move[from-file-name;to-file-name] | |
| // ^file:move[from-file-name;to-file-name;$.keep-empty-dir(true)] | |
| add_native_method("move", Method::CT_STATIC, _move, 2, 3); | |
| // ^file::load[mode;disk-name] | |
| // ^file::load[mode;disk-name;user-name] | |
| // ^file::load[mode;disk-name;user-name;options hash] | |
| // ^file::load[mode;disk-name;options hash] | |
| add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4); | |
| // ^file::stat[disk-name] | |
| add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1); | add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1); |
| // ^cgi[file-name] | // ^file::cgi[mode;file-name] |
| // ^cgi[file-name;env hash] | // ^file::cgi[mode;file-name;env hash] |
| // ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s] | // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s] |
| add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+50); | add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50); |
| // ^exec[file-name] | // ^file::exec[mode;file-name] |
| // ^exec[file-name;env hash] | // ^file::exec[mode;file-name;env hash] |
| // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s] | // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s] |
| add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+50); | add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50); |
| // ^file:list[path] | // ^file:list[path] |
| // ^file:list[path][regexp] | // ^file:list[path][regexp] |
| // ^file:list[path][$.filter[regexp] $.stat(true)] | |
| add_native_method("list", Method::CT_STATIC, _list, 1, 2); | add_native_method("list", Method::CT_STATIC, _list, 1, 2); |
| // ^file:lock[path]{code} | // ^file:lock[path]{code} |
| add_native_method("lock", Method::CT_STATIC, _lock, 2, 2); | add_native_method("lock", Method::CT_STATIC, _lock, 2, 2); |
| // ^find[file-name] | // ^file:find[file-name] |
| // ^find[file-name]{when-not-found} | // ^file:find[file-name]{when-not-found} |
| add_native_method("find", Method::CT_STATIC, _find, 1, 2); | add_native_method("find", Method::CT_STATIC, _find, 1, 2); |
| // ^file:dirname[/a/some.tar.gz]=/a | // ^file:dirname[/a/some.tar.gz]=/a |
| // ^file:dirname[/a/b/]=/a | // ^file:dirname[/a/b/]=/a |
| add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1); | add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1); |
| // ^file:basename[/a/some.tar.gz]=some.tar.gz | // ^file:basename[/a/some.tar.gz]=some.tar.gz |
| add_native_method("basename", Method::CT_STATIC, _basename, 1, 1); | add_native_method("basename", Method::CT_STATIC, _basename, 1, 1); |
| // ^file:justname[/a/some.tar.gz]=some.tar | // ^file:justname[/a/some.tar.gz]=some.tar |
| add_native_method("justname", Method::CT_STATIC, _justname, 1, 1); | add_native_method("justname", Method::CT_STATIC, _justname, 1, 1); |
| // ^file:justext[/a/some.tar.gz]=gz | // ^file:justext[/a/some.tar.gz]=gz |
| add_native_method("justext", Method::CT_STATIC, _justext, 1, 1); | add_native_method("justext", Method::CT_STATIC, _justext, 1, 1); |
| // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif | // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif |
| add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1); | add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1); |
| // ^file.sql-string[] | // ^file.sql-string[] |
| add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0); | add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0); |
| // ^file::sql[[alt_name]]{} | // ^file::sql{} |
| // ^file::sql{}[options hash] | |
| add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2); | add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2); |
| // encode: | |
| // ^file.base64[] | |
| // ^file:base64[file-name] | |
| // decode: | |
| // ^file::base64[encoded] // backward | |
| // ^file::base64[mode;user-file-name;encoded] | |
| // ^file::base64[mode;user-file-name;encoded;$.content-type[...]] | |
| add_native_method("base64", Method::CT_ANY, _base64, 0, 4); | |
| // ^file.crc32[] | |
| // ^file:crc32[file-name] | |
| add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1); | |
| // ^file.md5[] | |
| // ^file:md5[file-name] | |
| add_native_method("md5", Method::CT_ANY, _md5, 0, 1); | |
| // ^file:copy[from-file-name;to-file-name] | |
| add_native_method("copy", Method::CT_STATIC, _copy, 2, 2); | |
| } | } |