Annotation of parser3/src/classes/file.C, revision 1.172
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.136 paf 4: Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
1.72 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.91 paf 6: */
1.17 paf 7:
1.172 ! misha 8: static const char * const IDENT_FILE_C="$Date: 2008-06-26 15:00:42 $";
1.47 parser 9:
10: #include "pa_config_includes.h"
11:
12: #include "pcre.h"
1.1 paf 13:
1.35 paf 14: #include "classes.h"
1.111 paf 15: #include "pa_vmethod_frame.h"
16:
1.1 paf 17: #include "pa_request.h"
18: #include "pa_vfile.h"
1.11 paf 19: #include "pa_table.h"
1.21 paf 20: #include "pa_vint.h"
1.24 paf 21: #include "pa_exec.h"
1.40 parser 22: #include "pa_vdate.h"
1.47 parser 23: #include "pa_dir.h"
24: #include "pa_vtable.h"
1.67 paf 25: #include "pa_charset.h"
1.109 paf 26: #include "pa_charsets.h"
1.121 paf 27: #include "pa_sql_connection.h"
1.147 misha 28: #include "pa_md5.h"
1.1 paf 29:
1.32 paf 30: // defines
31:
1.48 parser 32: #define TEXT_MODE_NAME "text"
1.125 paf 33: #define BINARY_MODE_NAME "binary"
1.90 paf 34: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 35: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 36:
1.131 paf 37: #define NAME_NAME "name"
38:
1.132 paf 39: // externs
40:
41: extern String sql_limit_name;
42: extern String sql_offset_name;
43:
1.111 paf 44: // class
45:
46: class MFile: public Methoded {
47: public: // VStateless_class
48:
1.134 paf 49: Value* create_new_value(Pool&, HashStringValue&) { return new VFile(); }
1.111 paf 50:
51: public: // Methoded
52: bool used_directly() { return true; }
53:
54: public:
55: MFile();
56:
57: };
58:
59: // global variable
60:
61: DECLARE_CLASS_VAR(file, new MFile, 0);
62:
1.83 paf 63: // consts
64:
65: /// from apache-1.3|src|support|suexec.c
1.111 paf 66: static const char* suexec_safe_env_lst[]={
1.83 paf 67: "AUTH_TYPE",
68: "CONTENT_LENGTH",
69: "CONTENT_TYPE",
70: "DATE_GMT",
71: "DATE_LOCAL",
72: "DOCUMENT_NAME",
73: "DOCUMENT_PATH_INFO",
74: "DOCUMENT_ROOT",
75: "DOCUMENT_URI",
76: "FILEPATH_INFO",
77: "GATEWAY_INTERFACE",
78: "LAST_MODIFIED",
79: "PATH_INFO",
80: "PATH_TRANSLATED",
81: "QUERY_STRING",
82: "QUERY_STRING_UNESCAPED",
83: "REMOTE_ADDR",
84: "REMOTE_HOST",
85: "REMOTE_IDENT",
86: "REMOTE_PORT",
87: "REMOTE_USER",
88: "REDIRECT_QUERY_STRING",
89: "REDIRECT_STATUS",
90: "REDIRECT_URL",
91: "REQUEST_METHOD",
92: "REQUEST_URI",
93: "SCRIPT_FILENAME",
94: "SCRIPT_NAME",
95: "SCRIPT_URI",
96: "SCRIPT_URL",
97: "SERVER_ADMIN",
98: "SERVER_NAME",
99: "SERVER_ADDR",
100: "SERVER_PORT",
101: "SERVER_PROTOCOL",
102: "SERVER_SOFTWARE",
103: "UNIQUE_ID",
104: "USER_NAME",
105: "TZ",
106: NULL
107: };
108:
1.111 paf 109: // statics
1.33 paf 110:
1.112 paf 111: static const String::Body adate_name("adate");
112: static const String::Body mdate_name("mdate");
113: static const String::Body cdate_name("cdate");
1.32 paf 114:
1.1 paf 115: // methods
116:
1.161 misha 117: static bool is_valid_mode (const String& mode) {
118: return (mode==TEXT_MODE_NAME || mode==BINARY_MODE_NAME);
119: }
120:
1.125 paf 121: static bool is_text_mode(const String& mode) {
122: if(mode==TEXT_MODE_NAME)
123: return true;
124: if(mode==BINARY_MODE_NAME)
125: return false;
1.156 misha 126: throw Exception(PARSER_RUNTIME,
1.125 paf 127: &mode,
128: "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'");
129: }
130:
1.111 paf 131: static void _save(Request& r, MethodParams& params) {
1.161 misha 132: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.152 misha 133: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 134:
1.7 paf 135: // save
1.111 paf 136: GET_SELF(r, VFile).save(r.absolute(vfile_name.as_string()),
1.125 paf 137: is_text_mode(vmode_name.as_string()));
1.7 paf 138: }
139:
1.111 paf 140: static void _delete(Request& r, MethodParams& params) {
1.152 misha 141: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.7 paf 142:
143: // unlink
1.68 paf 144: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 145: }
146:
1.111 paf 147: static void _move(Request& r, MethodParams& params) {
148: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
149: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.45 parser 150:
1.51 parser 151: // move
1.68 paf 152: file_move(
1.45 parser 153: r.absolute(vfrom_file_name.as_string()),
154: r.absolute(vto_file_name.as_string()));
155: }
156:
1.148 misha 157: static void copy_process_source(
158: struct stat& ,
159: int from_file,
160: const String& , const char* /*fname*/, bool,
161: void *context) {
162: int& to_file=*static_cast<int *>(context);
163:
164: int nCount=0;
165: do {
166: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 167: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 168: int written=write(to_file, buffer, nCount);
169: if( written < 0 )
170: throw Exception(0,
171: 0,
172: "write failed: %s (%d)", strerror(errno), errno);
173:
174: } while(nCount > 0);
175: }
176:
177: static void copy_open_target(int f, void *from_spec) {
178: String& file_spec=*static_cast<String *>(from_spec);
179: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
180: };
181:
182: static void _copy(Request& r, MethodParams& params) {
183: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
184: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
185:
186: String from_spec = r.absolute(vfrom_file_name.as_string());
187: const String& to_spec = r.absolute(vto_file_name.as_string());
188:
189: file_write_action_under_lock(
190: to_spec,
191: "copy",
192: copy_open_target,
1.149 misha 193: &from_spec);
1.148 misha 194: }
195:
1.111 paf 196: static void _load_pass_param(
197: HashStringValue::key_type key,
198: HashStringValue::value_type value,
199: HashStringValue *dest) {
200: dest->put(key, value);
201: }
202: static void _load(Request& r, MethodParams& params) {
1.161 misha 203: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.152 misha 204: const String& lfile_name=r.absolute(params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string());
1.111 paf 205: Value* third_param=params.count()>2?¶ms.as_no_junction(2, "filename or options must not be code")
206: :0;
207: HashStringValue* third_param_hash=third_param?third_param->get_hash():0;
208: size_t alt_filename_param_index=2;
1.104 paf 209: if(third_param_hash)
210: alt_filename_param_index++;
1.9 paf 211:
1.132 paf 212: HashStringValue* options=third_param_hash;
213: size_t offset=0;
214: size_t limit=0;
215: if(options) {
216: options=new HashStringValue(*options);
217: if(Value *voffset=(Value *)options->get(sql_offset_name)) {
218: offset=r.process_to_value(*voffset).as_int();
219: }
220: if(Value *vlimit=(Value *)options->get(sql_limit_name)) {
221: limit=r.process_to_value(*vlimit).as_int();
222: }
223: // no check on options count here, see file_read
224: }
1.111 paf 225: File_read_result file=file_read(r.charsets, lfile_name,
1.125 paf 226: is_text_mode(vmode_name.as_string()),
1.132 paf 227: options, true, 0, offset, limit
1.104 paf 228: );
1.9 paf 229:
1.111 paf 230: const char *user_file_name=params.count()>alt_filename_param_index?
1.152 misha 231: params.as_string(alt_filename_param_index, FILE_NAME_MUST_BE_STRING).cstr()
1.111 paf 232: :lfile_name.cstr(String::L_FILE_SPEC);
233:
234: Value* vcontent_type=0;
1.168 misha 235: if(file.headers){
1.129 paf 236: if(Value* remote_content_type=file.headers->get("CONTENT-TYPE"))
237: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
238: }
1.104 paf 239: if(!vcontent_type)
1.111 paf 240: vcontent_type=new VString(r.mime_type_of(user_file_name));
1.10 paf 241:
1.111 paf 242: VFile& self=GET_SELF(r, VFile);
243: self.set(true/*tainted*/, file.str, file.length, user_file_name, vcontent_type);
1.168 misha 244:
245: if(file.headers){
1.143 paf 246: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 247: } else {
248: size_t size;
249: time_t atime, mtime, ctime;
250:
1.169 misha 251: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 252:
253: HashStringValue& ff=self.fields();
254: ff.put(adate_name, new VDate(atime));
255: ff.put(mdate_name, new VDate(mtime));
256: ff.put(cdate_name, new VDate(ctime));
257: }
258:
1.9 paf 259: }
260:
1.138 paf 261: static void _create(Request& r, MethodParams& params) {
1.161 misha 262: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.138 paf 263: if(!is_text_mode(vmode_name.as_string()))
1.156 misha 264: throw Exception(PARSER_RUNTIME,
1.138 paf 265: 0,
266: "only text mode is currently supported");
267:
268: const char* user_file_name_cstr=r.absolute(
1.152 misha 269: params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string()).cstr(String::L_FILE_SPEC);
1.138 paf 270:
271: const String& content=params.as_string(2, "content must be string");
272: const char* content_cstr=content.cstr(String::L_UNSPECIFIED); // explode content, honor tainting changes
273:
274: VString* vcontent_type=new VString(r.mime_type_of(user_file_name_cstr));
275:
276: VFile& self=GET_SELF(r, VFile);
277: self.set(true/*tainted*/, content_cstr, strlen(content_cstr), user_file_name_cstr, vcontent_type);
278: }
279:
1.111 paf 280: static void _stat(Request& r, MethodParams& params) {
1.152 misha 281: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 282:
283: const String& lfile_name=vfile_name.as_string();
284:
1.40 parser 285: size_t size;
286: time_t atime, mtime, ctime;
287: file_stat(r.absolute(lfile_name),
288: size,
289: atime, mtime, ctime);
1.25 paf 290:
1.167 misha 291: const char* user_file_name=lfile_name.cstr(String::L_FILE_SPEC);
292:
1.111 paf 293: VFile& self=GET_SELF(r, VFile);
1.167 misha 294:
295: self.set(true/*tainted*/, 0/*no bytes*/, size, user_file_name, new VString(r.mime_type_of(user_file_name)));
1.111 paf 296: HashStringValue& ff=self.fields();
297: ff.put(adate_name, new VDate(atime));
298: ff.put(mdate_name, new VDate(mtime));
299: ff.put(cdate_name, new VDate(ctime));
1.25 paf 300: }
301:
1.111 paf 302: static bool is_safe_env_key(const char* key) {
303: for(const char* validator=key; *validator; validator++) {
304: char c=*validator;
305: if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-'))
306: return false;
307: }
1.88 paf 308: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 309: return true;
1.87 paf 310: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 311: return true;
312: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 313: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 314: return true;
315: }
316: return false;
317: }
1.90 paf 318: #ifndef DOXYGEN
319: struct Append_env_pair_info {
1.141 paf 320: Request_charsets* charsets;
1.111 paf 321: HashStringString* env;
1.100 paf 322: Value* vstdin;
1.90 paf 323: };
324: #endif
1.111 paf 325: static void append_env_pair(
326: HashStringValue::key_type akey,
327: HashStringValue::value_type avalue,
328: Append_env_pair_info *info) {
329: if(akey==STDIN_EXEC_PARAM_NAME) {
330: info->vstdin=avalue;
331: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 332: // ignore, already processed
1.90 paf 333: } else {
1.111 paf 334: if(!is_safe_env_key(akey.cstr()))
1.156 misha 335: throw Exception(PARSER_RUNTIME,
1.111 paf 336: new String(akey, String::L_TAINTED),
1.90 paf 337: "not safe environment variable");
1.141 paf 338: info->env->put(akey, avalue->as_string().cstr_to_string_body(String::L_UNSPECIFIED, 0, info->charsets));
1.90 paf 339: }
1.22 paf 340: }
1.94 paf 341: #ifndef DOXYGEN
342: struct Pass_cgi_header_attribute_info {
1.111 paf 343: Charset* charset;
344: HashStringValue* fields;
345: Value* content_type;
1.94 paf 346: };
347: #endif
1.111 paf 348: static void pass_cgi_header_attribute(
349: ArrayString::element_type astring,
350: Pass_cgi_header_attribute_info* info) {
351: size_t colon_pos=astring->pos(':');
1.130 paf 352: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 353: const String& key=astring->mid(0, colon_pos).change_case(
354: *info->charset, String::CC_UPPER);
1.130 paf 355: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 356: info->fields->put(key, value);
1.94 paf 357: if(key=="CONTENT-TYPE")
1.111 paf 358: info->content_type=value;
1.94 paf 359: }
1.29 paf 360: }
1.155 misha 361:
362: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
363: if( str->length() ){
364: argv+=new String(str->cstr_to_string_body(String::L_UNSPECIFIED, 0, &r.charsets), String::L_AS_IS);
365: }
366: }
367:
1.90 paf 368: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.111 paf 369: static void _exec_cgi(Request& r, MethodParams& params,
1.41 parser 370: bool cgi) {
1.21 paf 371:
1.162 misha 372: Value& first_param=params.as_no_junction(0, FIRST_ARG_MUST_NOT_BE_CODE);
373:
374: bool is_mode_specified=is_valid_mode(first_param.as_string());
375: const String& mode_name=(is_mode_specified) ? first_param.as_string() : *new String(TEXT_MODE_NAME);
376:
377: size_t param_index=1;
378: if(!is_mode_specified){
379: --param_index;
380: }
381:
382: if(param_index>=params.count())
383: throw Exception(PARSER_RUNTIME,
384: 0,
385: "file name must be specified");
386:
387:
388: Value& vfile_name=params.as_no_junction(param_index++, FILE_NAME_MUST_NOT_BE_CODE);
1.21 paf 389:
1.23 paf 390: const String& script_name=r.absolute(vfile_name.as_string());
391:
1.111 paf 392: HashStringString env;
1.62 paf 393: #define ECSTR(name, value_cstr) \
1.111 paf 394: if(value_cstr) \
395: env.put( \
1.112 paf 396: String::Body(#name), \
397: String::Body(value_cstr, 0)); \
1.82 paf 398: // passing SAPI::environment
1.111 paf 399: if(const char *const *pairs=SAPI::environment(r.sapi_info)) {
400: while(const char* pair=*pairs++)
401: if(const char* eq_at=strchr(pair, '='))
402: if(eq_at[1]) // has value
403: env.put(
404: pa_strdup(pair, eq_at-pair),
405: pa_strdup(eq_at+1, 0));
1.82 paf 406: }
407:
1.23 paf 408: // const
1.63 paf 409: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 410: // from Request.info
1.111 paf 411: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
412: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
413: ECSTR(REQUEST_METHOD, r.request_info.method);
414: ECSTR(QUERY_STRING, r.request_info.query_string);
415: ECSTR(REQUEST_URI, r.request_info.uri);
416: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.23 paf 417: char content_length_cstr[MAX_NUMBER];
1.111 paf 418: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.request_info.content_length);
419: //String content_length(content_length_cstr);
1.62 paf 420: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 421: // SCRIPT_*
1.119 paf 422: env.put(String::Body("SCRIPT_NAME"), script_name);
423: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 424:
1.111 paf 425: bool stdin_specified=false;
1.90 paf 426: // environment & stdin from param
1.111 paf 427: String *in=new String();
1.109 paf 428: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 429: if(param_index < params.count()) {
430: Value& venv=params.as_no_junction(param_index++, "env must not be code");
1.111 paf 431: if(HashStringValue* user_env=venv.get_hash()) {
1.141 paf 432: // $.charset [previewing to handle URI pieces]
433: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
434: charset=&charsets.get(vcharset->as_string()
435: .change_case(r.charsets.source(), String::CC_UPPER));
436:
437: // $.others
438: Append_env_pair_info info={&r.charsets, &env, 0};
439: {
1.144 paf 440: // influence tainting
441: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 442: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 443: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 444: }
1.109 paf 445: // $.stdin
1.103 paf 446: if(info.vstdin) {
1.111 paf 447: stdin_specified=true;
448: if(const String* sstdin=info.vstdin->get_string()) {
449: in->append(*sstdin, String::L_CLEAN, true);
1.103 paf 450: } else
1.111 paf 451: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
452: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 453: else
1.156 misha 454: throw Exception(PARSER_RUNTIME,
1.111 paf 455: 0,
1.100 paf 456: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 457: }
1.90 paf 458: }
1.21 paf 459: }
460:
1.90 paf 461: // argv from params
1.111 paf 462: ArrayString argv;
1.162 misha 463: if(param_index < params.count()) {
1.144 paf 464: // influence tainting
465: // main target -- URLencoding of tainted pieces to String::L_URI lang
466: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 467:
1.162 misha 468: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 469: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 470: if(param.is_defined()){
471: if(param.is_string()){
1.155 misha 472: append_to_argv(r, argv, param.get_string());
1.154 misha 473: } else {
1.155 misha 474: Table* table=param.get_table();
475: if(table){
476: for(size_t i=0; i<table->count(); i++) {
477: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 478: }
479: } else {
1.156 misha 480: throw Exception(PARSER_RUNTIME,
1.154 misha 481: 0,
1.162 misha 482: "param must be string or table");
1.154 misha 483: }
484: }
1.145 misha 485: }
1.144 paf 486: }
1.21 paf 487: }
1.90 paf 488:
1.109 paf 489: // transcode if necessary
490: if(charset) {
1.111 paf 491: Charset::transcode(env, r.charsets.source(), *charset);
492: Charset::transcode(argv, r.charsets.source(), *charset);
493: in=&Charset::transcode(*in, r.charsets.source(), *charset);
494: }
495: // @todo
496: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
497: // match silent conversion in OS
498:
499: // exec!
1.163 misha 500: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 501:
1.162 misha 502: File_read_result *file_out=&execution.out;
1.111 paf 503: String *real_err=&execution.err;
1.162 misha 504:
1.165 misha 505: // transcode err if necessary (@todo: need fix line breaks in err as well )
506: if(charset)
507: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
508:
1.163 misha 509: if(file_out->length && is_text_mode(mode_name)){
1.162 misha 510: fix_line_breaks(file_out->str, file_out->length);
511: // treat output as string
512: String *real_out = new String(file_out->str, file_out->length);
513:
1.165 misha 514: // transcode out if necessary
515: if(charset)
1.162 misha 516: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 517:
1.162 misha 518: // FIXME: unsafe cast
1.163 misha 519: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 520: file_out->length = real_out->length();
1.109 paf 521: }
522:
1.111 paf 523: VFile& self=GET_SELF(r, VFile);
1.109 paf 524:
1.162 misha 525: if(cgi) { // ^file::cgi
1.163 misha 526: const char* eol_marker=0;
527: size_t eol_marker_size;
528:
1.111 paf 529: // construct with 'out' body and header
1.165 misha 530: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
531: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 532:
533: bool unix_header_break;
534: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 535: case 10: // dos
536: unix_header_break=false;
537: break;
538: case 01: // unix
539: unix_header_break=true;
540: break;
541: case 11: // dos & unix
542: unix_header_break=unix_pos<dos_pos;
543: break;
544: default: // 00
545: unix_header_break=false; // calm down, compiler
546: throw Exception(0,
547: 0,
548: "output does not contain CGI header; "
549: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
550: execution.status,
1.165 misha 551: (size_t)file_out->length, (file_out->length) ? (file_out->str) : "",
552: (size_t)real_err->length(), real_err->cstr());
1.166 misha 553: break; //never reached
1.111 paf 554: }
555:
1.165 misha 556: size_t header_break_pos;
1.111 paf 557: if(unix_header_break) {
558: header_break_pos=unix_pos;
1.165 misha 559: eol_marker="\n";
560: eol_marker_size=1;
1.111 paf 561: } else {
562: header_break_pos=dos_pos;
1.165 misha 563: eol_marker="\r\n";
564: eol_marker_size=2;
1.111 paf 565: }
1.21 paf 566:
1.162 misha 567: file_out->str[header_break_pos] = 0;
568: String *header=new String(file_out->str, header_break_pos);
569: unsigned long headersize = header_break_pos+eol_marker_size*2;
570: file_out->str += headersize;
571: file_out->length -= headersize;
572:
1.164 misha 573: // $body
574: self.set(false/*not tainted*/, file_out->str, file_out->length);
575:
1.162 misha 576: // $fields << header
577: if(header && eol_marker) {
578: ArrayString rows;
579: size_t pos_after=0;
580: header->split(rows, pos_after, eol_marker);
581: Pass_cgi_header_attribute_info info={0, 0, 0};
582: info.charset=&r.charsets.source();
583: info.fields=&self.fields();
584: rows.for_each(pass_cgi_header_attribute, &info);
585: if(info.content_type)
586: self.fields().put(content_type_name, info.content_type);
587: }
1.164 misha 588: } else { // ^file::exec
1.166 misha 589: // $body
590: self.set(false/*not tainted*/, file_out->str, file_out->length);
1.164 misha 591: }
1.163 misha 592:
1.42 parser 593: // $status
1.111 paf 594: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 595:
596: // $stderr
1.111 paf 597: if(real_err->length())
1.21 paf 598: self.fields().put(
1.119 paf 599: String::Body("stderr"),
1.111 paf 600: new VString(*real_err));
1.21 paf 601: }
1.111 paf 602: static void _exec(Request& r, MethodParams& params) {
603: _exec_cgi(r, params, false);
1.41 parser 604: }
1.111 paf 605: static void _cgi(Request& r, MethodParams& params) {
606: _exec_cgi(r, params, true);
1.41 parser 607: }
608:
1.111 paf 609: static void _list(Request& r, MethodParams& params) {
610: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 611:
1.111 paf 612: const String* regexp;
1.47 parser 613: pcre *regexp_code;
1.81 paf 614: const int ovecsize=(1/*match*/)*3;
615: int ovector[ovecsize];
1.111 paf 616: if(params.count()>1) {
617: regexp=¶ms.as_no_junction(1, "regexp must not be code").as_string();
1.47 parser 618:
1.111 paf 619: const char* pattern=regexp->cstr();
620: const char* errptr;
1.47 parser 621: int erroffset;
622: regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL,
623: &errptr, &erroffset,
1.111 paf 624: r.charsets.source().pcre_tables);
1.47 parser 625:
626: if(!regexp_code)
1.74 paf 627: throw Exception(0,
1.111 paf 628: ®exp->mid(erroffset, regexp->length()),
1.47 parser 629: "regular expression syntax error - %s", errptr);
1.114 paf 630: } else {
631: regexp=0; // not used, just to calm down compiler
1.47 parser 632: regexp_code=0;
1.114 paf 633: }
1.47 parser 634:
635:
1.111 paf 636: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).cstr(String::L_FILE_SPEC);
1.47 parser 637:
1.111 paf 638: Table::columns_type columns(new ArrayString);
639: *columns+=new String("name");
640: Table& table=*new Table(columns);
1.47 parser 641:
642: LOAD_DIR(absolute_path_cstr,
1.111 paf 643: const char* file_name_cstr=ffblk.ff_name;
644: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 645: bool suits=true;
646: if(regexp_code) {
647: int exec_result=pcre_exec(regexp_code, 0,
648: ffblk.ff_name, file_name_size, 0,
649: 0, ovector, ovecsize);
650:
651: if(exec_result==PCRE_ERROR_NOMATCH)
652: suits=false;
653: else if(exec_result<0) {
654: (*pcre_free)(regexp_code);
1.74 paf 655: throw Exception(0,
1.47 parser 656: regexp,
657: "regular expression execute (%d)",
658: exec_result);
659: }
660: }
661:
662: if(suits) {
1.111 paf 663: Table::element_type row(new ArrayString);
664: *row+=new String(pa_strdup(file_name_cstr, file_name_size), file_name_size, true);
665: table+=row;
1.47 parser 666: }
667: );
668:
669: if(regexp_code)
1.111 paf 670: pcre_free(regexp_code);
1.47 parser 671:
1.60 parser 672: // write out result
1.111 paf 673: r.write_no_lang(*new VTable(&table));
1.47 parser 674: }
1.21 paf 675:
1.69 paf 676: #ifndef DOXYGEN
677: struct Lock_execute_body_info {
1.111 paf 678: Request* r;
679: Value* body_code;
1.69 paf 680: };
681: #endif
1.111 paf 682: static void lock_execute_body(int , void *ainfo) {
683: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 684: // execute body
1.78 paf 685: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 686: };
1.111 paf 687: static void _lock(Request& r, MethodParams& params) {
1.152 misha 688: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 689: Lock_execute_body_info info={
690: &r,
1.117 paf 691: ¶ms.as_junction(1, "body must be code")
1.116 paf 692: };
1.69 paf 693:
1.158 misha 694: file_write_action_under_lock(
695: file_spec,
696: "lock",
697: lock_execute_body,
698: &info);
1.69 paf 699: }
700:
1.111 paf 701: static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) {
1.114 paf 702: size_t size=0; // just to calm down compiler
1.89 paf 703: if(beforelast)
1.111 paf 704: size=s.length();
1.116 paf 705: size_t at;
1.112 paf 706: while((at=s.pos(String::Body(substr, substr_size), after))!=STRING_NOT_FOUND) {
1.89 paf 707: size_t newafter=at+substr_size/*skip substr*/;
708: if(beforelast && newafter==size)
709: break;
710: after=newafter;
711: }
712:
713: return after;
714: }
715:
1.111 paf 716: static void _find(Request& r, MethodParams& params) {
1.152 misha 717: const String& file_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE).as_string();
1.111 paf 718: const String* file_spec;
1.90 paf 719: if(file_name.first_char()=='/')
720: file_spec=&file_name;
721: else
1.111 paf 722: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 723:
724: // easy way
1.142 paf 725: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 726: r.write_assign_lang(*file_spec);
1.90 paf 727: return;
728: }
729:
730: // monkey way
731: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
1.111 paf 732: const String* dirname=&file_spec->mid(0, after_base_slash);
733: const String& basename=file_spec->mid(after_base_slash, file_spec->length());
1.90 paf 734:
735: int after_monkey_slash;
736: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
1.111 paf 737: String test_name;
738: test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
739: test_name<<basename;
1.142 paf 740: if(file_exist(r.absolute(test_name))) {
1.111 paf 741: r.write_assign_lang(test_name);
1.90 paf 742: return;
743: }
744: }
745:
746: // no way, not found
1.111 paf 747: if(params.count()==2) {
748: Value& not_found_code=params.as_junction(1, "not-found param must be code");
1.90 paf 749: r.write_pass_lang(r.process(not_found_code));
750: }
751: }
752:
1.111 paf 753: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 754: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 755: // /a/some.tar.gz > /a
756: // /a/b/ > /a
757: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
758: if(afterslash>0)
759: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
760: else
1.111 paf 761: r.write_assign_lang(String(".", 1));
1.89 paf 762: }
763:
1.111 paf 764: static void _basename(Request& r, MethodParams& params) {
1.152 misha 765: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 766: // /a/some.tar.gz > some.tar.gz
767: int afterslash=lastposafter(file_spec, 0, "/", 1);
1.111 paf 768: r.write_assign_lang(file_spec.mid(afterslash, file_spec.length()));
1.89 paf 769: }
770:
1.111 paf 771: static void _justname(Request& r, MethodParams& params) {
1.152 misha 772: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 773: // /a/some.tar.gz > some.tar
774: int afterslash=lastposafter(file_spec, 0, "/", 1);
775: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
1.111 paf 776: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length()));
1.89 paf 777: }
1.111 paf 778: static void _justext(Request& r, MethodParams& params) {
1.152 misha 779: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 780: // /a/some.tar.gz > gz
781: int afterdot=lastposafter(file_spec, 0, ".", 1);
782: if(afterdot>0)
1.111 paf 783: r.write_assign_lang(file_spec.mid(afterdot, file_spec.length()));
1.89 paf 784: }
785:
1.111 paf 786: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 787: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 788: const String* result;
1.102 paf 789: if(file_spec.first_char()=='/')
790: result=&file_spec;
791: else {
792: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
793: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 794: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 795:
796: if(document_root_length>0) {
1.111 paf 797: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 798: if(last_char == '/' || last_char == '\\')
799: --document_root_length;
800: }
1.111 paf 801: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 802: }
803: r.write_assign_lang(*result);
804: }
805:
1.121 paf 806: static void _sql_string(Request& r, MethodParams&) {
807: VFile& self=GET_SELF(r, VFile);
808:
809: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
810: r.write_assign_lang(*new String(quoted));
811: }
1.89 paf 812:
1.122 paf 813: #ifndef DOXYGEN
814: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
815: const String& statement_string; const char* statement_cstr;
816: int got_columns;
817: int got_cells;
818: public:
819: String::C value;
1.131 paf 820: const String* user_file_name;
821: const String* user_content_type;
1.122 paf 822: public:
823: File_sql_event_handlers(
824: const String& astatement_string, const char* astatement_cstr):
825: statement_string(astatement_string), statement_cstr(astatement_cstr),
826: got_columns(0),
827: got_cells(0),
828: user_file_name(0),
829: user_content_type(0) {}
830:
831: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
832: if(got_columns++==3) {
1.156 misha 833: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 834: return true;
835: }
836: return false;
837: }
838: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
839: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
840: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
841: try {
842: switch(got_cells++) {
843: case 0:
844: value=String::C(str, length);
845: break;
846: case 1:
1.131 paf 847: if(!user_file_name) // user not specified?
848: user_file_name=new String(str, length, true);
1.122 paf 849: break;
850: case 2:
1.131 paf 851: if(!user_content_type) // user not specified?
852: user_content_type=new String(str, length, true);
1.122 paf 853: break;
854: default:
1.156 misha 855: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three rows");
1.122 paf 856: return true;
857: }
858: return false;
859: } catch(...) {
860: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
861: return true;
862: }
863: }
864: };
865: #endif
866: static void _sql(Request& r, MethodParams& params) {
1.131 paf 867: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 868:
869: Temp_lang temp_lang(r, String::L_SQL);
870: const String& statement_string=r.process_to_string(statement);
871: const char* statement_cstr=
872: statement_string.cstr(String::L_UNSPECIFIED, r.connection());
873: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 874:
1.172 ! misha 875: ulong offset=0;
! 876:
1.131 paf 877: if(params.count()>1)
1.172 ! misha 878: if(HashStringValue* options=params.as_no_junction(1, PARAM_MUST_NOT_BE_CODE).get_hash()){
1.131 paf 879: int valid_options=0;
880: if(Value* vfilename=options->get(NAME_NAME)) {
881: valid_options++;
882: handlers.user_file_name=&vfilename->as_string();
883: }
884: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
885: valid_options++;
886: handlers.user_content_type=&vcontent_type->as_string();
887: }
1.172 ! misha 888: if(Value* voffset=options->get(sql_offset_name)) {
! 889: valid_options++;
! 890: offset=(ulong)r.process_to_value(*voffset).as_double();
! 891: }
1.131 paf 892: if(valid_options!=options->count())
1.156 misha 893: throw Exception(PARSER_RUNTIME,
1.131 paf 894: 0,
895: "called with invalid option");
896: }
897:
898:
1.122 paf 899: r.connection()->query(
1.123 paf 900: statement_cstr,
901: 0, 0,
1.172 ! misha 902: offset, 1/*limit*/,
1.122 paf 903: handlers,
904: statement_string);
905:
906: if(!handlers.value)
1.156 misha 907: throw Exception(PARSER_RUNTIME,
1.122 paf 908: 0,
909: "produced no result");
910:
1.131 paf 911: const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0;
1.122 paf 912:
913: VString* vcontent_type=handlers.user_content_type?
914: new VString(*handlers.user_content_type)
915: : user_file_name_cstr?
916: new VString(r.mime_type_of(user_file_name_cstr))
917: : 0;
918: VFile& self=GET_SELF(r, VFile);
919: self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type);
920: }
1.140 paf 921:
1.139 paf 922: static void _base64(Request& r, MethodParams& params) {
1.151 misha 923: bool dynamic = !(&r.get_self() == file_class);
924: if ( dynamic ){
1.140 paf 925: VFile& self=GET_SELF(r, VFile);
1.139 paf 926: if(params.count()) {
1.140 paf 927: // decode
1.160 misha 928: const char* cstr=params.as_string(0, PARAMETER_MUST_BE_STRING).cstr();
1.140 paf 929: char* decoded_cstr=0;
1.139 paf 930: size_t decoded_size=0;
931: pa_base64_decode(cstr, strlen(cstr), decoded_cstr, decoded_size);
932: if(decoded_cstr && decoded_size)
1.140 paf 933: self.set(true/*tainted*/, decoded_cstr, decoded_size);
934: } else {
935: // encode
936: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
937: r.write_assign_lang(*new String(encoded, 0, true/*once ?param=base64(something) was needed*/));
1.139 paf 938: }
1.151 misha 939: } else {
940: // encode
1.152 misha 941: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 942: const char* encoded=pa_base64_encode(r.absolute(file_spec));
943: r.write_assign_lang(*new String(encoded, 0, true/*once ?param=base64(something) was needed*/));
944: }
1.139 paf 945: }
1.140 paf 946:
1.146 misha 947: static void _crc32(Request& r, MethodParams& params) {
948: unsigned long crc32 = 0;
949: if(&r.get_self() == file_class) {
950: // ^file:crc32[file-name]
951: if(params.count()) {
1.152 misha 952: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 953: crc32=pa_crc32(r.absolute(file_spec));
954: } else {
1.156 misha 955: throw Exception(PARSER_RUNTIME,
1.146 misha 956: 0,
957: "file name must be defined");
958: }
959: } else {
960: // ^file.crc32[]
961: VFile& self=GET_SELF(r, VFile);
962: crc32=pa_crc32(self.value_ptr(), self.value_size());
963: }
964: r.write_no_lang(*new VInt(crc32));
965: }
966:
967:
1.147 misha 968: static void file_md5_file_action(
969: struct stat& finfo,
970: int f,
971: const String& , const char* /*fname*/, bool,
972: void *context)
973: {
974: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
975: if(finfo.st_size) {
1.148 misha 976: int nCount=0;
1.147 misha 977: do {
978: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 979: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 980: if ( nCount ){
981: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
982: }
1.148 misha 983: } while(nCount > 0);
1.147 misha 984: }
985: }
986:
987: const char* pa_md5(const String& file_spec)
988: {
989: PA_MD5_CTX context;
990: unsigned char digest[16];
991: pa_MD5Init(&context);
992: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
993: pa_MD5Final(digest, &context);
994:
995: return hex_string(digest, sizeof(digest), false);
996: }
997:
998: const char* pa_md5(const char *in, size_t in_size)
999: {
1000: PA_MD5_CTX context;
1001: unsigned char digest[16];
1002: pa_MD5Init(&context);
1003: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1004: pa_MD5Final(digest, &context);
1005:
1006: return hex_string(digest, sizeof(digest), false);
1007: }
1008:
1009: static void _md5(Request& r, MethodParams& params) {
1010: const char* md5;
1011: if(&r.get_self() == file_class) {
1012: // ^file:md5[file-name]
1013: if(params.count()) {
1.152 misha 1014: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1015: md5=pa_md5(r.absolute(file_spec));
1016: } else {
1.156 misha 1017: throw Exception(PARSER_RUNTIME,
1.147 misha 1018: 0,
1019: "file name must be defined");
1020: }
1021: } else {
1022: // ^file.md5[]
1023: VFile& self=GET_SELF(r, VFile);
1024: md5=pa_md5(self.value_ptr(), self.value_size());
1025:
1026: }
1027: r.write_no_lang(*new String(md5));
1028: }
1029:
1.32 paf 1030: // constructor
1031:
1.111 paf 1032: MFile::MFile(): Methoded("file") {
1.146 misha 1033: // ^file::create[text;user-name;string]
1034: // ^file::create[binary;user-name;SOMEDAY SOMETHING]
1.138 paf 1035: add_native_method("create", Method::CT_DYNAMIC, _create, 3, 3);
1036:
1.146 misha 1037: // ^file.save[mode;file-name]
1.48 parser 1038: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 1039:
1.146 misha 1040: // ^file:delete[file-name]
1.32 paf 1041: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1042:
1.146 misha 1043: // ^file:move[from-file-name;to-file-name]
1.45 parser 1044: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1045:
1.146 misha 1046: // ^file::load[mode;disk-name]
1047: // ^file::load[mode;disk-name;user-name]
1.48 parser 1048: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3);
1.25 paf 1049:
1.146 misha 1050: // ^file::stat[disk-name]
1.32 paf 1051: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1052:
1.162 misha 1053: // ^file::cgi[mode;file-name]
1054: // ^file::cgi[mode;file-name;env hash]
1055: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1056: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1057:
1058: // ^file::exec[mode;file-name]
1059: // ^file::exec[mode;file-name;env hash]
1060: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1061: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1062:
1063: // ^file:list[path]
1064: // ^file:list[path][regexp]
1065: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1066:
1067: // ^file:lock[path]{code}
1068: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1069:
1.146 misha 1070: // ^file:find[file-name]
1071: // ^file:find[file-name]{when-not-found}
1.90 paf 1072: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1073:
1.89 paf 1074: // ^file:dirname[/a/some.tar.gz]=/a
1075: // ^file:dirname[/a/b/]=/a
1076: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1077: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1078: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1079: // ^file:justname[/a/some.tar.gz]=some.tar
1080: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1081: // ^file:justext[/a/some.tar.gz]=gz
1082: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 1083: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1084: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1085:
1086: // ^file.sql-string[]
1087: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1088:
1089: // ^file::sql[[alt_name]]{}
1090: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1091:
1.146 misha 1092: // ^file::base64[string] << decode
1.139 paf 1093: // ^file.base64[] << encode
1.151 misha 1094: // ^file:base64[file-name] << encode
1095: add_native_method("base64", Method::CT_ANY, _base64, 0, 1);
1.146 misha 1096:
1097: // ^file.crc32[]
1098: // ^file:crc32[file-name]
1099: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1100:
1101: // ^file.md5[]
1102: // ^file:md5[file-name]
1103: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1104:
1.148 misha 1105: // ^file:copy[from-file-name;to-file-name]
1106: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1107: }
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